wolf SSL
wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: src/ssl.c
- Revision:
- 15:117db924cf7c
- Child:
- 16:8e0d178b1d1e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ssl.c Sat Aug 18 22:20:43 2018 +0000
@@ -0,0 +1,33665 @@
+/* ssl.c
+ *
+ * Copyright (C) 2006-2017 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
+#include <wolfssl/wolfcrypt/settings.h>
+
+#ifndef WOLFCRYPT_ONLY
+
+#ifdef HAVE_ERRNO_H
+ #include <errno.h>
+#endif
+
+#include <wolfssl/internal.h>
+#include <wolfssl/error-ssl.h>
+#include <wolfssl/wolfcrypt/coding.h>
+#ifdef NO_INLINE
+ #include <wolfssl/wolfcrypt/misc.h>
+#else
+ #define WOLFSSL_MISC_INCLUDED
+ #include <wolfcrypt/src/misc.c>
+#endif
+
+
+#ifndef WOLFSSL_ALLOW_NO_SUITES
+ #if defined(NO_DH) && !defined(HAVE_ECC) && !defined(WOLFSSL_STATIC_RSA) \
+ && !defined(WOLFSSL_STATIC_DH) && !defined(WOLFSSL_STATIC_PSK) \
+ && !defined(HAVE_ED25519)
+ #error "No cipher suites defined because DH disabled, ECC disabled, and no static suites defined. Please see top of README"
+ #endif
+#endif
+
+#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
+ defined(HAVE_WEBSERVER) || defined(WOLFSSL_KEY_GEN)
+ #include <wolfssl/openssl/evp.h>
+ /* openssl headers end, wolfssl internal headers next */
+#endif
+
+#include <wolfssl/wolfcrypt/wc_encrypt.h>
+
+#ifdef OPENSSL_EXTRA
+ /* openssl headers begin */
+ #include <wolfssl/openssl/aes.h>
+ #include <wolfssl/openssl/hmac.h>
+ #include <wolfssl/openssl/crypto.h>
+ #include <wolfssl/openssl/des.h>
+ #include <wolfssl/openssl/bn.h>
+ #include <wolfssl/openssl/buffer.h>
+ #include <wolfssl/openssl/dh.h>
+ #include <wolfssl/openssl/rsa.h>
+ #include <wolfssl/openssl/pem.h>
+ #include <wolfssl/openssl/ec.h>
+ #include <wolfssl/openssl/ec25519.h>
+ #include <wolfssl/openssl/ed25519.h>
+ #include <wolfssl/openssl/ecdsa.h>
+ #include <wolfssl/openssl/ecdh.h>
+ #include <wolfssl/openssl/rc4.h>
+ /* openssl headers end, wolfssl internal headers next */
+ #include <wolfssl/wolfcrypt/hmac.h>
+ #include <wolfssl/wolfcrypt/random.h>
+ #include <wolfssl/wolfcrypt/des3.h>
+ #include <wolfssl/wolfcrypt/md4.h>
+ #include <wolfssl/wolfcrypt/md5.h>
+ #include <wolfssl/wolfcrypt/arc4.h>
+ #include <wolfssl/wolfcrypt/idea.h>
+ #include <wolfssl/wolfcrypt/curve25519.h>
+ #include <wolfssl/wolfcrypt/ed25519.h>
+ #if defined(OPENSSL_ALL) || defined(HAVE_STUNNEL)
+ #include <wolfssl/openssl/ocsp.h>
+ #endif /* WITH_STUNNEL */
+ #if defined(WOLFSSL_SHA512) || defined(WOLFSSL_SHA384)
+ #include <wolfssl/wolfcrypt/sha512.h>
+ #endif
+ #if defined(WOLFCRYPT_HAVE_SRP) && !defined(NO_SHA256) \
+ && !defined(WC_NO_RNG)
+ #include <wolfssl/wolfcrypt/srp.h>
+ #include <wolfssl/wolfcrypt/random.h>
+ #endif
+#endif
+
+#ifdef NO_ASN
+ #include <wolfssl/wolfcrypt/dh.h>
+#endif
+
+
+#ifdef WOLFSSL_SESSION_EXPORT
+#ifdef WOLFSSL_DTLS
+int wolfSSL_dtls_import(WOLFSSL* ssl, unsigned char* buf, unsigned int sz)
+{
+ WOLFSSL_ENTER("wolfSSL_session_import");
+
+ if (ssl == NULL || buf == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ /* sanity checks on buffer and protocol are done in internal function */
+ return wolfSSL_dtls_import_internal(ssl, buf, sz);
+}
+
+
+/* Sets the function to call for serializing the session. This function is
+ * called right after the handshake is completed. */
+int wolfSSL_CTX_dtls_set_export(WOLFSSL_CTX* ctx, wc_dtls_export func)
+{
+
+ WOLFSSL_ENTER("wolfSSL_CTX_dtls_set_export");
+
+ /* purposefully allow func to be NULL */
+ if (ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ctx->dtls_export = func;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* Sets the function in WOLFSSL struct to call for serializing the session. This
+ * function is called right after the handshake is completed. */
+int wolfSSL_dtls_set_export(WOLFSSL* ssl, wc_dtls_export func)
+{
+
+ WOLFSSL_ENTER("wolfSSL_dtls_set_export");
+
+ /* purposefully allow func to be NULL */
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->dtls_export = func;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* This function allows for directly serializing a session rather than using
+ * callbacks. It has less overhead by removing a temporary buffer and gives
+ * control over when the session gets serialized. When using callbacks the
+ * session is always serialized immediatly after the handshake is finished.
+ *
+ * buf is the argument to contain the serialized session
+ * sz is the size of the buffer passed in
+ * ssl is the WOLFSSL struct to serialize
+ * returns the size of serialized session on success, 0 on no action, and
+ * negative value on error */
+int wolfSSL_dtls_export(WOLFSSL* ssl, unsigned char* buf, unsigned int* sz)
+{
+ WOLFSSL_ENTER("wolfSSL_dtls_export");
+
+ if (ssl == NULL || sz == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ if (buf == NULL) {
+ *sz = MAX_EXPORT_BUFFER;
+ return 0;
+ }
+
+ /* if not DTLS do nothing */
+ if (!ssl->options.dtls) {
+ WOLFSSL_MSG("Currently only DTLS export is supported");
+ return 0;
+ }
+
+ /* copy over keys, options, and dtls state struct */
+ return wolfSSL_dtls_export_internal(ssl, buf, *sz);
+}
+
+
+/* returns 0 on success */
+int wolfSSL_send_session(WOLFSSL* ssl)
+{
+ int ret;
+ byte* buf;
+ word16 bufSz = MAX_EXPORT_BUFFER;
+
+ WOLFSSL_ENTER("wolfSSL_send_session");
+
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ buf = (byte*)XMALLOC(bufSz, ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (buf == NULL) {
+ return MEMORY_E;
+ }
+
+ /* if not DTLS do nothing */
+ if (!ssl->options.dtls) {
+ XFREE(buf, ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ WOLFSSL_MSG("Currently only DTLS export is supported");
+ return 0;
+ }
+
+ /* copy over keys, options, and dtls state struct */
+ ret = wolfSSL_dtls_export_internal(ssl, buf, bufSz);
+ if (ret < 0) {
+ XFREE(buf, ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return ret;
+ }
+
+ /* if no error ret has size of buffer */
+ ret = ssl->dtls_export(ssl, buf, ret, NULL);
+ if (ret != WOLFSSL_SUCCESS) {
+ XFREE(buf, ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return ret;
+ }
+
+ XFREE(buf, ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return 0;
+}
+#endif /* WOLFSSL_DTLS */
+#endif /* WOLFSSL_SESSION_EXPORT */
+
+
+/* prevent multiple mutex initializations */
+static volatile int initRefCount = 0;
+static wolfSSL_Mutex count_mutex; /* init ref count mutex */
+
+/* Create a new WOLFSSL_CTX struct and return the pointer to created struct.
+ WOLFSSL_METHOD pointer passed in is given to ctx to manage.
+ This function frees the passed in WOLFSSL_METHOD struct on failure and on
+ success is freed when ctx is freed.
+ */
+WOLFSSL_CTX* wolfSSL_CTX_new_ex(WOLFSSL_METHOD* method, void* heap)
+{
+ WOLFSSL_CTX* ctx = NULL;
+
+ WOLFSSL_ENTER("WOLFSSL_CTX_new_ex");
+
+ if (initRefCount == 0) {
+ /* user no longer forced to call Init themselves */
+ int ret = wolfSSL_Init();
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_Init failed");
+ WOLFSSL_LEAVE("WOLFSSL_CTX_new", 0);
+ if (method != NULL) {
+ XFREE(method, heap, DYNAMIC_TYPE_METHOD);
+ }
+ return NULL;
+ }
+ }
+
+ if (method == NULL)
+ return ctx;
+
+ ctx = (WOLFSSL_CTX*) XMALLOC(sizeof(WOLFSSL_CTX), heap, DYNAMIC_TYPE_CTX);
+ if (ctx) {
+ if (InitSSL_Ctx(ctx, method, heap) < 0) {
+ WOLFSSL_MSG("Init CTX failed");
+ wolfSSL_CTX_free(ctx);
+ ctx = NULL;
+ }
+#if defined(OPENSSL_EXTRA) && defined(WOLFCRYPT_HAVE_SRP) \
+ && !defined(NO_SHA256) && !defined(WC_NO_RNG)
+ else {
+ ctx->srp = (Srp*) XMALLOC(sizeof(Srp), heap, DYNAMIC_TYPE_SRP);
+ if (ctx->srp == NULL){
+ WOLFSSL_MSG("Init CTX failed");
+ wolfSSL_CTX_free(ctx);
+ return NULL;
+ }
+ XMEMSET(ctx->srp, 0, sizeof(Srp));
+ }
+#endif
+ }
+ else {
+ WOLFSSL_MSG("Alloc CTX failed, method freed");
+ XFREE(method, heap, DYNAMIC_TYPE_METHOD);
+ }
+
+
+ WOLFSSL_LEAVE("WOLFSSL_CTX_new", 0);
+ return ctx;
+}
+
+
+WOLFSSL_CTX* wolfSSL_CTX_new(WOLFSSL_METHOD* method)
+{
+#ifdef WOLFSSL_HEAP_TEST
+ /* if testing the heap hint then set top level CTX to have test value */
+ return wolfSSL_CTX_new_ex(method, (void*)WOLFSSL_HEAP_TEST);
+#else
+ return wolfSSL_CTX_new_ex(method, NULL);
+#endif
+}
+
+
+void wolfSSL_CTX_free(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("SSL_CTX_free");
+ if (ctx) {
+#if defined(OPENSSL_EXTRA) && defined(WOLFCRYPT_HAVE_SRP) \
+&& !defined(NO_SHA256) && !defined(WC_NO_RNG)
+ if (ctx->srp != NULL){
+ if (ctx->srp_password != NULL){
+ XFREE(ctx->srp_password, ctx->heap, DYNAMIC_TYPE_SRP);
+ }
+ wc_SrpTerm(ctx->srp);
+ XFREE(ctx->srp, ctx->heap, DYNAMIC_TYPE_SRP);
+ }
+#endif
+ FreeSSL_Ctx(ctx);
+ }
+
+ WOLFSSL_LEAVE("SSL_CTX_free", 0);
+}
+
+
+#ifdef SINGLE_THREADED
+/* no locking in single threaded mode, allow a CTX level rng to be shared with
+ * WOLFSSL objects, WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_new_rng(WOLFSSL_CTX* ctx)
+{
+ WC_RNG* rng;
+ int ret;
+
+ if (ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ rng = XMALLOC(sizeof(WC_RNG), ctx->heap, DYNAMIC_TYPE_RNG);
+ if (rng == NULL) {
+ return MEMORY_E;
+ }
+
+#ifndef HAVE_FIPS
+ ret = wc_InitRng_ex(rng, ctx->heap, ctx->devId);
+#else
+ ret = wc_InitRng(rng);
+#endif
+ if (ret != 0) {
+ XFREE(rng, ctx->heap, DYNAMIC_TYPE_RNG);
+ return ret;
+ }
+
+ ctx->rng = rng;
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+
+WOLFSSL* wolfSSL_new(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL* ssl = NULL;
+ int ret = 0;
+
+ (void)ret;
+ WOLFSSL_ENTER("SSL_new");
+
+ if (ctx == NULL)
+ return ssl;
+
+ ssl = (WOLFSSL*) XMALLOC(sizeof(WOLFSSL), ctx->heap, DYNAMIC_TYPE_SSL);
+ if (ssl)
+ if ( (ret = InitSSL(ssl, ctx, 0)) < 0) {
+ FreeSSL(ssl, ctx->heap);
+ ssl = 0;
+ }
+
+ WOLFSSL_LEAVE("SSL_new", ret);
+ return ssl;
+}
+
+
+void wolfSSL_free(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_free");
+ if (ssl)
+ FreeSSL(ssl, ssl->ctx->heap);
+ WOLFSSL_LEAVE("SSL_free", 0);
+}
+
+
+int wolfSSL_is_server(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+ return ssl->options.side == WOLFSSL_SERVER_END;
+}
+
+#ifdef HAVE_WRITE_DUP
+
+/*
+ * Release resources around WriteDup object
+ *
+ * ssl WOLFSSL object
+ *
+ * no return, destruction so make best attempt
+*/
+void FreeWriteDup(WOLFSSL* ssl)
+{
+ int doFree = 0;
+
+ WOLFSSL_ENTER("FreeWriteDup");
+
+ if (ssl->dupWrite) {
+ if (wc_LockMutex(&ssl->dupWrite->dupMutex) == 0) {
+ ssl->dupWrite->dupCount--;
+ if (ssl->dupWrite->dupCount == 0) {
+ doFree = 1;
+ } else {
+ WOLFSSL_MSG("WriteDup count not zero, no full free");
+ }
+ wc_UnLockMutex(&ssl->dupWrite->dupMutex);
+ }
+ }
+
+ if (doFree) {
+ WOLFSSL_MSG("Doing WriteDup full free, count to zero");
+ wc_FreeMutex(&ssl->dupWrite->dupMutex);
+ XFREE(ssl->dupWrite, ssl->heap, DYNAMIC_TYPE_WRITEDUP);
+ }
+}
+
+
+/*
+ * duplicate existing ssl members into dup needed for writing
+ *
+ * dup write only WOLFSSL
+ * ssl exisiting WOLFSSL
+ *
+ * 0 on success
+*/
+static int DupSSL(WOLFSSL* dup, WOLFSSL* ssl)
+{
+ /* shared dupWrite setup */
+ ssl->dupWrite = (WriteDup*)XMALLOC(sizeof(WriteDup), ssl->heap,
+ DYNAMIC_TYPE_WRITEDUP);
+ if (ssl->dupWrite == NULL) {
+ return MEMORY_E;
+ }
+ XMEMSET(ssl->dupWrite, 0, sizeof(WriteDup));
+
+ if (wc_InitMutex(&ssl->dupWrite->dupMutex) != 0) {
+ XFREE(ssl->dupWrite, ssl->heap, DYNAMIC_TYPE_WRITEDUP);
+ ssl->dupWrite = NULL;
+ return BAD_MUTEX_E;
+ }
+ ssl->dupWrite->dupCount = 2; /* both sides have a count to start */
+ dup->dupWrite = ssl->dupWrite; /* each side uses */
+
+ /* copy write parts over to dup writer */
+ XMEMCPY(&dup->specs, &ssl->specs, sizeof(CipherSpecs));
+ XMEMCPY(&dup->options, &ssl->options, sizeof(Options));
+ XMEMCPY(&dup->keys, &ssl->keys, sizeof(Keys));
+ XMEMCPY(&dup->encrypt, &ssl->encrypt, sizeof(Ciphers));
+ /* dup side now owns encrypt/write ciphers */
+ XMEMSET(&ssl->encrypt, 0, sizeof(Ciphers));
+
+ dup->IOCB_WriteCtx = ssl->IOCB_WriteCtx;
+ dup->wfd = ssl->wfd;
+ dup->wflags = ssl->wflags;
+ dup->hmac = ssl->hmac;
+#ifdef HAVE_TRUNCATED_HMAC
+ dup->truncated_hmac = ssl->truncated_hmac;
+#endif
+
+ /* unique side dup setup */
+ dup->dupSide = WRITE_DUP_SIDE;
+ ssl->dupSide = READ_DUP_SIDE;
+
+ return 0;
+}
+
+
+/*
+ * duplicate a WOLFSSL object post handshake for writing only
+ * turn exisitng object into read only. Allows concurrent access from two
+ * different threads.
+ *
+ * ssl exisiting WOLFSSL object
+ *
+ * return dup'd WOLFSSL object on success
+*/
+WOLFSSL* wolfSSL_write_dup(WOLFSSL* ssl)
+{
+ WOLFSSL* dup = NULL;
+ int ret = 0;
+
+ (void)ret;
+ WOLFSSL_ENTER("wolfSSL_write_dup");
+
+ if (ssl == NULL) {
+ return ssl;
+ }
+
+ if (ssl->options.handShakeDone == 0) {
+ WOLFSSL_MSG("wolfSSL_write_dup called before handshake complete");
+ return NULL;
+ }
+
+ if (ssl->dupWrite) {
+ WOLFSSL_MSG("wolfSSL_write_dup already called once");
+ return NULL;
+ }
+
+ dup = (WOLFSSL*) XMALLOC(sizeof(WOLFSSL), ssl->ctx->heap, DYNAMIC_TYPE_SSL);
+ if (dup) {
+ if ( (ret = InitSSL(dup, ssl->ctx, 1)) < 0) {
+ FreeSSL(dup, ssl->ctx->heap);
+ dup = NULL;
+ } else if ( (ret = DupSSL(dup, ssl) < 0)) {
+ FreeSSL(dup, ssl->ctx->heap);
+ dup = NULL;
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_write_dup", ret);
+
+ return dup;
+}
+
+
+/*
+ * Notify write dup side of fatal error or close notify
+ *
+ * ssl WOLFSSL object
+ * err Notify err
+ *
+ * 0 on success
+*/
+int NotifyWriteSide(WOLFSSL* ssl, int err)
+{
+ int ret;
+
+ WOLFSSL_ENTER("NotifyWriteSide");
+
+ ret = wc_LockMutex(&ssl->dupWrite->dupMutex);
+ if (ret == 0) {
+ ssl->dupWrite->dupErr = err;
+ ret = wc_UnLockMutex(&ssl->dupWrite->dupMutex);
+ }
+
+ return ret;
+}
+
+
+#endif /* HAVE_WRITE_DUP */
+
+
+#ifdef HAVE_POLY1305
+/* set if to use old poly 1 for yes 0 to use new poly */
+int wolfSSL_use_old_poly(WOLFSSL* ssl, int value)
+{
+ (void)ssl;
+ (void)value;
+
+#ifndef WOLFSSL_NO_TLS12
+ WOLFSSL_ENTER("SSL_use_old_poly");
+ WOLFSSL_MSG("Warning SSL connection auto detects old/new and this function"
+ "is depriciated");
+ ssl->options.oldPoly = (word16)value;
+ WOLFSSL_LEAVE("SSL_use_old_poly", 0);
+#endif
+ return 0;
+}
+#endif
+
+
+int wolfSSL_set_fd(WOLFSSL* ssl, int fd)
+{
+ int ret;
+
+ WOLFSSL_ENTER("SSL_set_fd");
+
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ret = wolfSSL_set_read_fd(ssl, fd);
+ if (ret == WOLFSSL_SUCCESS) {
+ ret = wolfSSL_set_write_fd(ssl, fd);
+ }
+
+ return ret;
+}
+
+
+int wolfSSL_set_read_fd(WOLFSSL* ssl, int fd)
+{
+ WOLFSSL_ENTER("SSL_set_read_fd");
+
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->rfd = fd; /* not used directly to allow IO callbacks */
+ ssl->IOCB_ReadCtx = &ssl->rfd;
+
+ #ifdef WOLFSSL_DTLS
+ if (ssl->options.dtls) {
+ ssl->IOCB_ReadCtx = &ssl->buffers.dtlsCtx;
+ ssl->buffers.dtlsCtx.rfd = fd;
+ }
+ #endif
+
+ WOLFSSL_LEAVE("SSL_set_read_fd", WOLFSSL_SUCCESS);
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_set_write_fd(WOLFSSL* ssl, int fd)
+{
+ WOLFSSL_ENTER("SSL_set_write_fd");
+
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->wfd = fd; /* not used directly to allow IO callbacks */
+ ssl->IOCB_WriteCtx = &ssl->wfd;
+
+ #ifdef WOLFSSL_DTLS
+ if (ssl->options.dtls) {
+ ssl->IOCB_WriteCtx = &ssl->buffers.dtlsCtx;
+ ssl->buffers.dtlsCtx.wfd = fd;
+ }
+ #endif
+
+ WOLFSSL_LEAVE("SSL_set_write_fd", WOLFSSL_SUCCESS);
+ return WOLFSSL_SUCCESS;
+}
+
+
+/**
+ * Get the name of cipher at priority level passed in.
+ */
+char* wolfSSL_get_cipher_list(int priority)
+{
+ const CipherSuiteInfo* ciphers = GetCipherNames();
+
+ if (priority >= GetCipherNamesSize() || priority < 0) {
+ return 0;
+ }
+
+ return (char*)ciphers[priority].name;
+}
+
+
+/**
+ * Get the name of cipher at priority level passed in.
+ */
+char* wolfSSL_get_cipher_list_ex(WOLFSSL* ssl, int priority)
+{
+
+ if (ssl == NULL) {
+ return NULL;
+ }
+ else {
+ const char* cipher;
+
+ if ((cipher = wolfSSL_get_cipher_name_internal(ssl)) != NULL) {
+ if (priority == 0) {
+ return (char*)cipher;
+ }
+ else {
+ return NULL;
+ }
+ }
+ else {
+ return wolfSSL_get_cipher_list(priority);
+ }
+ }
+}
+
+
+int wolfSSL_get_ciphers(char* buf, int len)
+{
+ const CipherSuiteInfo* ciphers = GetCipherNames();
+ int totalInc = 0;
+ int step = 0;
+ char delim = ':';
+ int size = GetCipherNamesSize();
+ int i;
+
+ if (buf == NULL || len <= 0)
+ return BAD_FUNC_ARG;
+
+ /* Add each member to the buffer delimited by a : */
+ for (i = 0; i < size; i++) {
+ step = (int)(XSTRLEN(ciphers[i].name) + 1); /* delimiter */
+ totalInc += step;
+
+ /* Check to make sure buf is large enough and will not overflow */
+ if (totalInc < len) {
+ size_t cipherLen = XSTRLEN(ciphers[i].name);
+ XSTRNCPY(buf, ciphers[i].name, cipherLen);
+ buf += cipherLen;
+
+ if (i < size - 1)
+ *buf++ = delim;
+ else
+ *buf++ = '\0';
+ }
+ else
+ return BUFFER_E;
+ }
+ return WOLFSSL_SUCCESS;
+}
+
+const char* wolfSSL_get_shared_ciphers(WOLFSSL* ssl, char* buf, int len)
+{
+ const char* cipher;
+
+ if (ssl == NULL)
+ return NULL;
+
+ cipher = wolfSSL_get_cipher_name_iana(ssl);
+ len = min(len, (int)(XSTRLEN(cipher) + 1));
+ XMEMCPY(buf, cipher, len);
+ return buf;
+}
+
+int wolfSSL_get_fd(const WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_get_fd");
+ WOLFSSL_LEAVE("SSL_get_fd", ssl->rfd);
+ return ssl->rfd;
+}
+
+
+int wolfSSL_dtls(WOLFSSL* ssl)
+{
+ return ssl->options.dtls;
+}
+
+
+#ifndef WOLFSSL_LEANPSK
+int wolfSSL_dtls_set_peer(WOLFSSL* ssl, void* peer, unsigned int peerSz)
+{
+#ifdef WOLFSSL_DTLS
+ void* sa = (void*)XMALLOC(peerSz, ssl->heap, DYNAMIC_TYPE_SOCKADDR);
+ if (sa != NULL) {
+ if (ssl->buffers.dtlsCtx.peer.sa != NULL)
+ XFREE(ssl->buffers.dtlsCtx.peer.sa,ssl->heap,DYNAMIC_TYPE_SOCKADDR);
+ XMEMCPY(sa, peer, peerSz);
+ ssl->buffers.dtlsCtx.peer.sa = sa;
+ ssl->buffers.dtlsCtx.peer.sz = peerSz;
+ return WOLFSSL_SUCCESS;
+ }
+ return WOLFSSL_FAILURE;
+#else
+ (void)ssl;
+ (void)peer;
+ (void)peerSz;
+ return WOLFSSL_NOT_IMPLEMENTED;
+#endif
+}
+
+int wolfSSL_dtls_get_peer(WOLFSSL* ssl, void* peer, unsigned int* peerSz)
+{
+#ifdef WOLFSSL_DTLS
+ if (ssl == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (peer != NULL && peerSz != NULL
+ && *peerSz >= ssl->buffers.dtlsCtx.peer.sz
+ && ssl->buffers.dtlsCtx.peer.sa != NULL) {
+ *peerSz = ssl->buffers.dtlsCtx.peer.sz;
+ XMEMCPY(peer, ssl->buffers.dtlsCtx.peer.sa, *peerSz);
+ return WOLFSSL_SUCCESS;
+ }
+ return WOLFSSL_FAILURE;
+#else
+ (void)ssl;
+ (void)peer;
+ (void)peerSz;
+ return WOLFSSL_NOT_IMPLEMENTED;
+#endif
+}
+
+
+#if defined(WOLFSSL_SCTP) && defined(WOLFSSL_DTLS)
+
+int wolfSSL_CTX_dtls_set_sctp(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_dtls_set_sctp()");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->dtlsSctp = 1;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_dtls_set_sctp(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_dtls_set_sctp()");
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->options.dtlsSctp = 1;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_CTX_dtls_set_mtu(WOLFSSL_CTX* ctx, word16 newMtu)
+{
+ if (ctx == NULL || newMtu > MAX_RECORD_SIZE)
+ return BAD_FUNC_ARG;
+
+ ctx->dtlsMtuSz = newMtu;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_dtls_set_mtu(WOLFSSL* ssl, word16 newMtu)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (newMtu > MAX_RECORD_SIZE) {
+ ssl->error = BAD_FUNC_ARG;
+ return WOLFSSL_FAILURE;
+ }
+
+ ssl->dtlsMtuSz = newMtu;
+ return WOLFSSL_SUCCESS;
+}
+
+
+#endif /* WOLFSSL_DTLS && WOLFSSL_SCTP */
+
+
+#ifdef WOLFSSL_DTLS_DROP_STATS
+
+int wolfSSL_dtls_get_drop_stats(WOLFSSL* ssl,
+ word32* macDropCount, word32* replayDropCount)
+{
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_dtls_get_drop_stats()");
+
+ if (ssl == NULL)
+ ret = BAD_FUNC_ARG;
+ else {
+ ret = WOLFSSL_SUCCESS;
+ if (macDropCount != NULL)
+ *macDropCount = ssl->macDropCount;
+ if (replayDropCount != NULL)
+ *replayDropCount = ssl->replayDropCount;
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_dtls_get_drop_stats()", ret);
+ return ret;
+}
+
+#endif /* WOLFSSL_DTLS_DROP_STATS */
+
+
+#if defined(WOLFSSL_MULTICAST)
+
+int wolfSSL_CTX_mcast_set_member_id(WOLFSSL_CTX* ctx, word16 id)
+{
+ int ret = 0;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_mcast_set_member_id()");
+
+ if (ctx == NULL || id > 255)
+ ret = BAD_FUNC_ARG;
+
+ if (ret == 0) {
+ ctx->haveEMS = 0;
+ ctx->haveMcast = 1;
+ ctx->mcastID = id;
+#ifndef WOLFSSL_USER_IO
+ ctx->CBIORecv = EmbedReceiveFromMcast;
+#endif /* WOLFSSL_USER_IO */
+ }
+
+ if (ret == 0)
+ ret = WOLFSSL_SUCCESS;
+ WOLFSSL_LEAVE("wolfSSL_CTX_mcast_set_member_id()", ret);
+ return ret;
+}
+
+int wolfSSL_mcast_get_max_peers(void)
+{
+ return WOLFSSL_MULTICAST_PEERS;
+}
+
+#ifdef WOLFSSL_DTLS
+static WC_INLINE word32 UpdateHighwaterMark(word32 cur, word32 first,
+ word32 second, word32 max)
+{
+ word32 newCur = 0;
+
+ if (cur < first)
+ newCur = first;
+ else if (cur < second)
+ newCur = second;
+ else if (cur < max)
+ newCur = max;
+
+ return newCur;
+}
+#endif /* WOLFSSL_DTLS */
+
+
+int wolfSSL_set_secret(WOLFSSL* ssl, word16 epoch,
+ const byte* preMasterSecret, word32 preMasterSz,
+ const byte* clientRandom, const byte* serverRandom,
+ const byte* suite)
+{
+ int ret = 0;
+
+ WOLFSSL_ENTER("wolfSSL_set_secret()");
+
+ if (ssl == NULL || preMasterSecret == NULL ||
+ preMasterSz == 0 || preMasterSz > ENCRYPT_LEN ||
+ clientRandom == NULL || serverRandom == NULL || suite == NULL) {
+
+ ret = BAD_FUNC_ARG;
+ }
+
+ if (ret == 0) {
+ XMEMCPY(ssl->arrays->preMasterSecret, preMasterSecret, preMasterSz);
+ ssl->arrays->preMasterSz = preMasterSz;
+ XMEMCPY(ssl->arrays->clientRandom, clientRandom, RAN_LEN);
+ XMEMCPY(ssl->arrays->serverRandom, serverRandom, RAN_LEN);
+ ssl->options.cipherSuite0 = suite[0];
+ ssl->options.cipherSuite = suite[1];
+
+ ret = SetCipherSpecs(ssl);
+ }
+
+ if (ret == 0)
+ ret = MakeTlsMasterSecret(ssl);
+
+ if (ret == 0) {
+ ssl->keys.encryptionOn = 1;
+ ret = SetKeysSide(ssl, ENCRYPT_AND_DECRYPT_SIDE);
+ }
+
+ if (ret == 0) {
+ if (ssl->options.dtls) {
+ #ifdef WOLFSSL_DTLS
+ WOLFSSL_DTLS_PEERSEQ* peerSeq;
+ int i;
+
+ ssl->keys.dtls_epoch = epoch;
+ for (i = 0, peerSeq = ssl->keys.peerSeq;
+ i < WOLFSSL_DTLS_PEERSEQ_SZ;
+ i++, peerSeq++) {
+
+ peerSeq->nextEpoch = epoch;
+ peerSeq->prevSeq_lo = peerSeq->nextSeq_lo;
+ peerSeq->prevSeq_hi = peerSeq->nextSeq_hi;
+ peerSeq->nextSeq_lo = 0;
+ peerSeq->nextSeq_hi = 0;
+ XMEMCPY(peerSeq->prevWindow, peerSeq->window, DTLS_SEQ_SZ);
+ XMEMSET(peerSeq->window, 0, DTLS_SEQ_SZ);
+ peerSeq->highwaterMark = UpdateHighwaterMark(0,
+ ssl->ctx->mcastFirstSeq,
+ ssl->ctx->mcastSecondSeq,
+ ssl->ctx->mcastMaxSeq);
+ }
+ #else
+ (void)epoch;
+ #endif
+ }
+ FreeHandshakeResources(ssl);
+ ret = WOLFSSL_SUCCESS;
+ }
+ else {
+ if (ssl)
+ ssl->error = ret;
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_LEAVE("wolfSSL_set_secret()", ret);
+ return ret;
+}
+
+
+#ifdef WOLFSSL_DTLS
+
+int wolfSSL_mcast_peer_add(WOLFSSL* ssl, word16 peerId, int remove)
+{
+ WOLFSSL_DTLS_PEERSEQ* p = NULL;
+ int ret = WOLFSSL_SUCCESS;
+ int i;
+
+ WOLFSSL_ENTER("wolfSSL_mcast_peer_add()");
+ if (ssl == NULL || peerId > 255)
+ return BAD_FUNC_ARG;
+
+ if (!remove) {
+ /* Make sure it isn't already present, while keeping the first
+ * open spot. */
+ for (i = 0; i < WOLFSSL_DTLS_PEERSEQ_SZ; i++) {
+ if (ssl->keys.peerSeq[i].peerId == INVALID_PEER_ID)
+ p = &ssl->keys.peerSeq[i];
+ if (ssl->keys.peerSeq[i].peerId == peerId) {
+ WOLFSSL_MSG("Peer ID already in multicast peer list.");
+ p = NULL;
+ }
+ }
+
+ if (p != NULL) {
+ XMEMSET(p, 0, sizeof(WOLFSSL_DTLS_PEERSEQ));
+ p->peerId = peerId;
+ p->highwaterMark = UpdateHighwaterMark(0,
+ ssl->ctx->mcastFirstSeq,
+ ssl->ctx->mcastSecondSeq,
+ ssl->ctx->mcastMaxSeq);
+ }
+ else {
+ WOLFSSL_MSG("No room in peer list.");
+ ret = -1;
+ }
+ }
+ else {
+ for (i = 0; i < WOLFSSL_DTLS_PEERSEQ_SZ; i++) {
+ if (ssl->keys.peerSeq[i].peerId == peerId)
+ p = &ssl->keys.peerSeq[i];
+ }
+
+ if (p != NULL) {
+ p->peerId = INVALID_PEER_ID;
+ }
+ else {
+ WOLFSSL_MSG("Peer not found in list.");
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_mcast_peer_add()", ret);
+ return ret;
+}
+
+
+/* If peerId is in the list of peers and its last sequence number is non-zero,
+ * return 1, otherwise return 0. */
+int wolfSSL_mcast_peer_known(WOLFSSL* ssl, unsigned short peerId)
+{
+ int known = 0;
+ int i;
+
+ WOLFSSL_ENTER("wolfSSL_mcast_peer_known()");
+
+ if (ssl == NULL || peerId > 255) {
+ return BAD_FUNC_ARG;
+ }
+
+ for (i = 0; i < WOLFSSL_DTLS_PEERSEQ_SZ; i++) {
+ if (ssl->keys.peerSeq[i].peerId == peerId) {
+ if (ssl->keys.peerSeq[i].nextSeq_hi ||
+ ssl->keys.peerSeq[i].nextSeq_lo) {
+
+ known = 1;
+ }
+ break;
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_mcast_peer_known()", known);
+ return known;
+}
+
+
+int wolfSSL_CTX_mcast_set_highwater_cb(WOLFSSL_CTX* ctx, word32 maxSeq,
+ word32 first, word32 second,
+ CallbackMcastHighwater cb)
+{
+ if (ctx == NULL || (second && first > second) ||
+ first > maxSeq || second > maxSeq || cb == NULL) {
+
+ return BAD_FUNC_ARG;
+ }
+
+ ctx->mcastHwCb = cb;
+ ctx->mcastFirstSeq = first;
+ ctx->mcastSecondSeq = second;
+ ctx->mcastMaxSeq = maxSeq;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_mcast_set_highwater_ctx(WOLFSSL* ssl, void* ctx)
+{
+ if (ssl == NULL || ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->mcastHwCbCtx = ctx;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* WOLFSSL_DTLS */
+
+#endif /* WOLFSSL_MULTICAST */
+
+
+#endif /* WOLFSSL_LEANPSK */
+
+
+/* return underlying connect or accept, WOLFSSL_SUCCESS on ok */
+int wolfSSL_negotiate(WOLFSSL* ssl)
+{
+ int err = WOLFSSL_FATAL_ERROR;
+
+ WOLFSSL_ENTER("wolfSSL_negotiate");
+#ifndef NO_WOLFSSL_SERVER
+ if (ssl->options.side == WOLFSSL_SERVER_END) {
+#ifdef WOLFSSL_TLS13
+ if (IsAtLeastTLSv1_3(ssl->version))
+ err = wolfSSL_accept_TLSv13(ssl);
+ else
+#endif
+ err = wolfSSL_accept(ssl);
+ }
+#endif
+
+#ifndef NO_WOLFSSL_CLIENT
+ if (ssl->options.side == WOLFSSL_CLIENT_END) {
+#ifdef WOLFSSL_TLS13
+ if (IsAtLeastTLSv1_3(ssl->version))
+ err = wolfSSL_connect_TLSv13(ssl);
+ else
+#endif
+ err = wolfSSL_connect(ssl);
+ }
+#endif
+
+ (void)ssl;
+
+ WOLFSSL_LEAVE("wolfSSL_negotiate", err);
+
+ return err;
+}
+
+
+WC_RNG* wolfSSL_GetRNG(WOLFSSL* ssl)
+{
+ if (ssl) {
+ return ssl->rng;
+ }
+
+ return NULL;
+}
+
+
+#ifndef WOLFSSL_LEANPSK
+/* object size based on build */
+int wolfSSL_GetObjectSize(void)
+{
+#ifdef SHOW_SIZES
+ printf("sizeof suites = %lu\n", sizeof(Suites));
+ printf("sizeof ciphers(2) = %lu\n", sizeof(Ciphers));
+#ifndef NO_RC4
+ printf("\tsizeof arc4 = %lu\n", sizeof(Arc4));
+#endif
+ printf("\tsizeof aes = %lu\n", sizeof(Aes));
+#ifndef NO_DES3
+ printf("\tsizeof des3 = %lu\n", sizeof(Des3));
+#endif
+#ifndef NO_RABBIT
+ printf("\tsizeof rabbit = %lu\n", sizeof(Rabbit));
+#endif
+#ifdef HAVE_CHACHA
+ printf("\tsizeof chacha = %lu\n", sizeof(ChaCha));
+#endif
+ printf("sizeof cipher specs = %lu\n", sizeof(CipherSpecs));
+ printf("sizeof keys = %lu\n", sizeof(Keys));
+ printf("sizeof Hashes(2) = %lu\n", sizeof(Hashes));
+#ifndef NO_MD5
+ printf("\tsizeof MD5 = %lu\n", sizeof(wc_Md5));
+#endif
+#ifndef NO_SHA
+ printf("\tsizeof SHA = %lu\n", sizeof(wc_Sha));
+#endif
+#ifdef WOLFSSL_SHA224
+ printf("\tsizeof SHA224 = %lu\n", sizeof(wc_Sha224));
+#endif
+#ifndef NO_SHA256
+ printf("\tsizeof SHA256 = %lu\n", sizeof(wc_Sha256));
+#endif
+#ifdef WOLFSSL_SHA384
+ printf("\tsizeof SHA384 = %lu\n", sizeof(wc_Sha384));
+#endif
+#ifdef WOLFSSL_SHA384
+ printf("\tsizeof SHA512 = %lu\n", sizeof(wc_Sha512));
+#endif
+ printf("sizeof Buffers = %lu\n", sizeof(Buffers));
+ printf("sizeof Options = %lu\n", sizeof(Options));
+ printf("sizeof Arrays = %lu\n", sizeof(Arrays));
+#ifndef NO_RSA
+ printf("sizeof RsaKey = %lu\n", sizeof(RsaKey));
+#endif
+#ifdef HAVE_ECC
+ printf("sizeof ecc_key = %lu\n", sizeof(ecc_key));
+#endif
+ printf("sizeof WOLFSSL_CIPHER = %lu\n", sizeof(WOLFSSL_CIPHER));
+ printf("sizeof WOLFSSL_SESSION = %lu\n", sizeof(WOLFSSL_SESSION));
+ printf("sizeof WOLFSSL = %lu\n", sizeof(WOLFSSL));
+ printf("sizeof WOLFSSL_CTX = %lu\n", sizeof(WOLFSSL_CTX));
+#endif
+
+ return sizeof(WOLFSSL);
+}
+
+int wolfSSL_CTX_GetObjectSize(void)
+{
+ return sizeof(WOLFSSL_CTX);
+}
+
+int wolfSSL_METHOD_GetObjectSize(void)
+{
+ return sizeof(WOLFSSL_METHOD);
+}
+#endif
+
+
+#ifdef WOLFSSL_STATIC_MEMORY
+
+int wolfSSL_CTX_load_static_memory(WOLFSSL_CTX** ctx, wolfSSL_method_func method,
+ unsigned char* buf, unsigned int sz,
+ int flag, int max)
+{
+ WOLFSSL_HEAP* heap;
+ WOLFSSL_HEAP_HINT* hint;
+ word32 idx = 0;
+
+ if (ctx == NULL || buf == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ if (*ctx == NULL && method == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ if (*ctx == NULL || (*ctx)->heap == NULL) {
+ if (sizeof(WOLFSSL_HEAP) + sizeof(WOLFSSL_HEAP_HINT) > sz - idx) {
+ return BUFFER_E; /* not enough memory for structures */
+ }
+ heap = (WOLFSSL_HEAP*)buf;
+ idx += sizeof(WOLFSSL_HEAP);
+ if (wolfSSL_init_memory_heap(heap) != 0) {
+ return WOLFSSL_FAILURE;
+ }
+ hint = (WOLFSSL_HEAP_HINT*)(buf + idx);
+ idx += sizeof(WOLFSSL_HEAP_HINT);
+ XMEMSET(hint, 0, sizeof(WOLFSSL_HEAP_HINT));
+ hint->memory = heap;
+
+ if (*ctx && (*ctx)->heap == NULL) {
+ (*ctx)->heap = (void*)hint;
+ }
+ }
+ else {
+#ifdef WOLFSSL_HEAP_TEST
+ /* do not load in memory if test has been set */
+ if ((*ctx)->heap == (void*)WOLFSSL_HEAP_TEST) {
+ return WOLFSSL_SUCCESS;
+ }
+#endif
+ hint = (WOLFSSL_HEAP_HINT*)((*ctx)->heap);
+ heap = hint->memory;
+ }
+
+ if (wolfSSL_load_static_memory(buf + idx, sz - idx, flag, heap) != 1) {
+ WOLFSSL_MSG("Error partitioning memory");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* create ctx if needed */
+ if (*ctx == NULL) {
+ *ctx = wolfSSL_CTX_new_ex(method(hint), hint);
+ if (*ctx == NULL) {
+ WOLFSSL_MSG("Error creating ctx");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* determine what max applies too */
+ if (flag & WOLFMEM_IO_POOL || flag & WOLFMEM_IO_POOL_FIXED) {
+ heap->maxIO = max;
+ }
+ else { /* general memory used in handshakes */
+ heap->maxHa = max;
+ }
+
+ heap->flag |= flag;
+
+ (void)max;
+ (void)method;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_is_static_memory(WOLFSSL* ssl, WOLFSSL_MEM_CONN_STATS* mem_stats)
+{
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+ WOLFSSL_ENTER("wolfSSL_is_static_memory");
+
+ /* fill out statistics if wanted and WOLFMEM_TRACK_STATS flag */
+ if (mem_stats != NULL && ssl->heap != NULL) {
+ WOLFSSL_HEAP_HINT* hint = ((WOLFSSL_HEAP_HINT*)(ssl->heap));
+ WOLFSSL_HEAP* heap = hint->memory;
+ if (heap->flag & WOLFMEM_TRACK_STATS && hint->stats != NULL) {
+ XMEMCPY(mem_stats, hint->stats, sizeof(WOLFSSL_MEM_CONN_STATS));
+ }
+ }
+
+ return (ssl->heap) ? 1 : 0;
+}
+
+
+int wolfSSL_CTX_is_static_memory(WOLFSSL_CTX* ctx, WOLFSSL_MEM_STATS* mem_stats)
+{
+ if (ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+ WOLFSSL_ENTER("wolfSSL_CTX_is_static_memory");
+
+ /* fill out statistics if wanted */
+ if (mem_stats != NULL && ctx->heap != NULL) {
+ WOLFSSL_HEAP* heap = ((WOLFSSL_HEAP_HINT*)(ctx->heap))->memory;
+ if (wolfSSL_GetMemStats(heap, mem_stats) != 1) {
+ return MEMORY_E;
+ }
+ }
+
+ return (ctx->heap) ? 1 : 0;
+}
+
+#endif /* WOLFSSL_STATIC_MEMORY */
+
+
+/* return max record layer size plaintext input size */
+int wolfSSL_GetMaxOutputSize(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_GetMaxOutputSize");
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->options.handShakeState != HANDSHAKE_DONE) {
+ WOLFSSL_MSG("Handshake not complete yet");
+ return BAD_FUNC_ARG;
+ }
+
+ return wolfSSL_GetMaxRecordSize(ssl, OUTPUT_RECORD_SIZE);
+}
+
+
+/* return record layer size of plaintext input size */
+int wolfSSL_GetOutputSize(WOLFSSL* ssl, int inSz)
+{
+ int maxSize;
+
+ WOLFSSL_ENTER("wolfSSL_GetOutputSize");
+
+ if (inSz < 0)
+ return BAD_FUNC_ARG;
+
+ maxSize = wolfSSL_GetMaxOutputSize(ssl);
+ if (maxSize < 0)
+ return maxSize; /* error */
+ if (inSz > maxSize)
+ return INPUT_SIZE_E;
+
+ return BuildMessage(ssl, NULL, 0, NULL, inSz, application_data, 0, 1, 0);
+}
+
+
+#ifdef HAVE_ECC
+int wolfSSL_CTX_SetMinEccKey_Sz(WOLFSSL_CTX* ctx, short keySz)
+{
+ if (ctx == NULL || keySz < 0 || keySz % 8 != 0) {
+ WOLFSSL_MSG("Key size must be divisable by 8 or ctx was null");
+ return BAD_FUNC_ARG;
+ }
+
+ ctx->minEccKeySz = keySz / 8;
+#ifndef NO_CERTS
+ ctx->cm->minEccKeySz = keySz / 8;
+#endif
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_SetMinEccKey_Sz(WOLFSSL* ssl, short keySz)
+{
+ if (ssl == NULL || keySz < 0 || keySz % 8 != 0) {
+ WOLFSSL_MSG("Key size must be divisable by 8 or ssl was null");
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->options.minEccKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* !NO_RSA */
+
+#ifndef NO_RSA
+int wolfSSL_CTX_SetMinRsaKey_Sz(WOLFSSL_CTX* ctx, short keySz)
+{
+ if (ctx == NULL || keySz < 0 || keySz % 8 != 0) {
+ WOLFSSL_MSG("Key size must be divisable by 8 or ctx was null");
+ return BAD_FUNC_ARG;
+ }
+
+ ctx->minRsaKeySz = keySz / 8;
+ ctx->cm->minRsaKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_SetMinRsaKey_Sz(WOLFSSL* ssl, short keySz)
+{
+ if (ssl == NULL || keySz < 0 || keySz % 8 != 0) {
+ WOLFSSL_MSG("Key size must be divisable by 8 or ssl was null");
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->options.minRsaKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+#endif /* !NO_RSA */
+
+#ifndef NO_DH
+/* server Diffie-Hellman parameters, WOLFSSL_SUCCESS on ok */
+int wolfSSL_SetTmpDH(WOLFSSL* ssl, const unsigned char* p, int pSz,
+ const unsigned char* g, int gSz)
+{
+ word16 havePSK = 0;
+ word16 haveRSA = 1;
+ int keySz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_SetTmpDH");
+ if (ssl == NULL || p == NULL || g == NULL) return BAD_FUNC_ARG;
+
+ if (pSz < ssl->options.minDhKeySz)
+ return DH_KEY_SIZE_E;
+ if (pSz > ssl->options.maxDhKeySz)
+ return DH_KEY_SIZE_E;
+
+ if (ssl->options.side != WOLFSSL_SERVER_END)
+ return SIDE_ERROR;
+
+ if (ssl->buffers.serverDH_P.buffer && ssl->buffers.weOwnDH) {
+ XFREE(ssl->buffers.serverDH_P.buffer, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ ssl->buffers.serverDH_P.buffer = NULL;
+ }
+ if (ssl->buffers.serverDH_G.buffer && ssl->buffers.weOwnDH) {
+ XFREE(ssl->buffers.serverDH_G.buffer, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ ssl->buffers.serverDH_G.buffer = NULL;
+ }
+
+ ssl->buffers.weOwnDH = 1; /* SSL owns now */
+ ssl->buffers.serverDH_P.buffer = (byte*)XMALLOC(pSz, ssl->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (ssl->buffers.serverDH_P.buffer == NULL)
+ return MEMORY_E;
+
+ ssl->buffers.serverDH_G.buffer = (byte*)XMALLOC(gSz, ssl->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (ssl->buffers.serverDH_G.buffer == NULL) {
+ XFREE(ssl->buffers.serverDH_P.buffer, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ ssl->buffers.serverDH_P.buffer = NULL;
+ return MEMORY_E;
+ }
+
+ ssl->buffers.serverDH_P.length = pSz;
+ ssl->buffers.serverDH_G.length = gSz;
+
+ XMEMCPY(ssl->buffers.serverDH_P.buffer, p, pSz);
+ XMEMCPY(ssl->buffers.serverDH_G.buffer, g, gSz);
+
+ ssl->options.haveDH = 1;
+ #ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+ #endif
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+ #endif
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA, havePSK,
+ ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+
+ WOLFSSL_LEAVE("wolfSSL_SetTmpDH", 0);
+ return WOLFSSL_SUCCESS;
+}
+
+/* server ctx Diffie-Hellman parameters, WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_SetTmpDH(WOLFSSL_CTX* ctx, const unsigned char* p, int pSz,
+ const unsigned char* g, int gSz)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_SetTmpDH");
+ if (ctx == NULL || p == NULL || g == NULL) return BAD_FUNC_ARG;
+
+ if (pSz < ctx->minDhKeySz)
+ return DH_KEY_SIZE_E;
+ if (pSz > ctx->maxDhKeySz)
+ return DH_KEY_SIZE_E;
+
+ XFREE(ctx->serverDH_P.buffer, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(ctx->serverDH_G.buffer, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+
+ ctx->serverDH_P.buffer = (byte*)XMALLOC(pSz, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (ctx->serverDH_P.buffer == NULL)
+ return MEMORY_E;
+
+ ctx->serverDH_G.buffer = (byte*)XMALLOC(gSz, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (ctx->serverDH_G.buffer == NULL) {
+ XFREE(ctx->serverDH_P.buffer, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return MEMORY_E;
+ }
+
+ ctx->serverDH_P.length = pSz;
+ ctx->serverDH_G.length = gSz;
+
+ XMEMCPY(ctx->serverDH_P.buffer, p, pSz);
+ XMEMCPY(ctx->serverDH_G.buffer, g, gSz);
+
+ ctx->haveDH = 1;
+
+ WOLFSSL_LEAVE("wolfSSL_CTX_SetTmpDH", 0);
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_CTX_SetMinDhKey_Sz(WOLFSSL_CTX* ctx, word16 keySz)
+{
+ if (ctx == NULL || keySz > 16000 || keySz % 8 != 0)
+ return BAD_FUNC_ARG;
+
+ ctx->minDhKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_SetMinDhKey_Sz(WOLFSSL* ssl, word16 keySz)
+{
+ if (ssl == NULL || keySz > 16000 || keySz % 8 != 0)
+ return BAD_FUNC_ARG;
+
+ ssl->options.minDhKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_CTX_SetMaxDhKey_Sz(WOLFSSL_CTX* ctx, word16 keySz)
+{
+ if (ctx == NULL || keySz > 16000 || keySz % 8 != 0)
+ return BAD_FUNC_ARG;
+
+ ctx->maxDhKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_SetMaxDhKey_Sz(WOLFSSL* ssl, word16 keySz)
+{
+ if (ssl == NULL || keySz > 16000 || keySz % 8 != 0)
+ return BAD_FUNC_ARG;
+
+ ssl->options.maxDhKeySz = keySz / 8;
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_GetDhKey_Sz(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return (ssl->options.dhKeySz * 8);
+}
+
+#endif /* !NO_DH */
+
+
+int wolfSSL_write(WOLFSSL* ssl, const void* data, int sz)
+{
+ int ret;
+
+ WOLFSSL_ENTER("SSL_write()");
+
+ if (ssl == NULL || data == NULL || sz < 0)
+ return BAD_FUNC_ARG;
+
+#ifdef WOLFSSL_EARLY_DATA
+ if (ssl->earlyData != no_early_data && (ret = wolfSSL_negotiate(ssl)) < 0) {
+ ssl->error = ret;
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->earlyData = no_early_data;
+#endif
+
+#ifdef HAVE_WRITE_DUP
+ { /* local variable scope */
+ int dupErr = 0; /* local copy */
+
+ ret = 0;
+
+ if (ssl->dupWrite && ssl->dupSide == READ_DUP_SIDE) {
+ WOLFSSL_MSG("Read dup side cannot write");
+ return WRITE_DUP_WRITE_E;
+ }
+ if (ssl->dupWrite) {
+ if (wc_LockMutex(&ssl->dupWrite->dupMutex) != 0) {
+ return BAD_MUTEX_E;
+ }
+ dupErr = ssl->dupWrite->dupErr;
+ ret = wc_UnLockMutex(&ssl->dupWrite->dupMutex);
+ }
+
+ if (ret != 0) {
+ ssl->error = ret; /* high priority fatal error */
+ return WOLFSSL_FATAL_ERROR;
+ }
+ if (dupErr != 0) {
+ WOLFSSL_MSG("Write dup error from other side");
+ ssl->error = dupErr;
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif
+
+#ifdef HAVE_ERRNO_H
+ errno = 0;
+#endif
+
+ #ifdef OPENSSL_EXTRA
+ if (ssl->CBIS != NULL) {
+ ssl->CBIS(ssl, SSL_CB_WRITE, SSL_SUCCESS);
+ ssl->cbmode = SSL_CB_WRITE;
+ }
+ #endif
+ ret = SendData(ssl, data, sz);
+
+ WOLFSSL_LEAVE("SSL_write()", ret);
+
+ if (ret < 0)
+ return WOLFSSL_FATAL_ERROR;
+ else
+ return ret;
+}
+
+static int wolfSSL_read_internal(WOLFSSL* ssl, void* data, int sz, int peek)
+{
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_read_internal()");
+
+ if (ssl == NULL || data == NULL || sz < 0)
+ return BAD_FUNC_ARG;
+
+#ifdef HAVE_WRITE_DUP
+ if (ssl->dupWrite && ssl->dupSide == WRITE_DUP_SIDE) {
+ WOLFSSL_MSG("Write dup side cannot read");
+ return WRITE_DUP_READ_E;
+ }
+#endif
+
+#ifdef HAVE_ERRNO_H
+ errno = 0;
+#endif
+
+#ifdef WOLFSSL_DTLS
+ if (ssl->options.dtls) {
+ ssl->dtls_expected_rx = max(sz + 100, MAX_MTU);
+#ifdef WOLFSSL_SCTP
+ if (ssl->options.dtlsSctp)
+ ssl->dtls_expected_rx = max(ssl->dtls_expected_rx, ssl->dtlsMtuSz);
+#endif
+ }
+#endif
+
+ sz = wolfSSL_GetMaxRecordSize(ssl, sz);
+
+ ret = ReceiveData(ssl, (byte*)data, sz, peek);
+
+#ifdef HAVE_WRITE_DUP
+ if (ssl->dupWrite) {
+ if (ssl->error != 0 && ssl->error != WANT_READ
+ #ifdef WOLFSSL_ASYNC_CRYPT
+ && ssl->error != WC_PENDING_E
+ #endif
+ ) {
+ int notifyErr;
+
+ WOLFSSL_MSG("Notifying write side of fatal read error");
+ notifyErr = NotifyWriteSide(ssl, ssl->error);
+ if (notifyErr < 0) {
+ ret = ssl->error = notifyErr;
+ }
+ }
+ }
+#endif
+
+ WOLFSSL_LEAVE("wolfSSL_read_internal()", ret);
+
+ if (ret < 0)
+ return WOLFSSL_FATAL_ERROR;
+ else
+ return ret;
+}
+
+
+int wolfSSL_peek(WOLFSSL* ssl, void* data, int sz)
+{
+ WOLFSSL_ENTER("wolfSSL_peek()");
+
+ return wolfSSL_read_internal(ssl, data, sz, TRUE);
+}
+
+
+int wolfSSL_read(WOLFSSL* ssl, void* data, int sz)
+{
+ WOLFSSL_ENTER("wolfSSL_read()");
+
+ #ifdef OPENSSL_EXTRA
+ if (ssl->CBIS != NULL) {
+ ssl->CBIS(ssl, SSL_CB_READ, SSL_SUCCESS);
+ ssl->cbmode = SSL_CB_READ;
+ }
+ #endif
+ return wolfSSL_read_internal(ssl, data, sz, FALSE);
+}
+
+
+#ifdef WOLFSSL_MULTICAST
+
+int wolfSSL_mcast_read(WOLFSSL* ssl, word16* id, void* data, int sz)
+{
+ int ret = 0;
+
+ WOLFSSL_ENTER("wolfSSL_mcast_read()");
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ret = wolfSSL_read_internal(ssl, data, sz, FALSE);
+ if (ssl->options.dtls && ssl->options.haveMcast && id != NULL)
+ *id = ssl->keys.curPeerId;
+ return ret;
+}
+
+#endif /* WOLFSSL_MULTICAST */
+
+
+/* helpers to set the device id, WOLFSSL_SUCCESS on ok */
+int wolfSSL_SetDevId(WOLFSSL* ssl, int devId)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->devId = devId;
+
+ return WOLFSSL_SUCCESS;
+}
+int wolfSSL_CTX_SetDevId(WOLFSSL_CTX* ctx, int devId)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->devId = devId;
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* helpers to get device id and heap */
+int wolfSSL_CTX_GetDevId(WOLFSSL_CTX* ctx, WOLFSSL* ssl)
+{
+ int devId = INVALID_DEVID;
+ if (ctx != NULL)
+ devId = ctx->devId;
+ else if (ssl != NULL)
+ devId = ssl->devId;
+ return devId;
+}
+void* wolfSSL_CTX_GetHeap(WOLFSSL_CTX* ctx, WOLFSSL* ssl)
+{
+ void* heap = NULL;
+ if (ctx != NULL)
+ heap = ctx->heap;
+ else if (ssl != NULL)
+ heap = ssl->heap;
+ return heap;
+}
+
+
+#ifdef HAVE_SNI
+
+int wolfSSL_UseSNI(WOLFSSL* ssl, byte type, const void* data, word16 size)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseSNI(&ssl->extensions, type, data, size, ssl->heap);
+}
+
+
+int wolfSSL_CTX_UseSNI(WOLFSSL_CTX* ctx, byte type, const void* data,
+ word16 size)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseSNI(&ctx->extensions, type, data, size, ctx->heap);
+}
+
+#ifndef NO_WOLFSSL_SERVER
+
+void wolfSSL_SNI_SetOptions(WOLFSSL* ssl, byte type, byte options)
+{
+ if (ssl && ssl->extensions)
+ TLSX_SNI_SetOptions(ssl->extensions, type, options);
+}
+
+
+void wolfSSL_CTX_SNI_SetOptions(WOLFSSL_CTX* ctx, byte type, byte options)
+{
+ if (ctx && ctx->extensions)
+ TLSX_SNI_SetOptions(ctx->extensions, type, options);
+}
+
+
+byte wolfSSL_SNI_Status(WOLFSSL* ssl, byte type)
+{
+ return TLSX_SNI_Status(ssl ? ssl->extensions : NULL, type);
+}
+
+
+word16 wolfSSL_SNI_GetRequest(WOLFSSL* ssl, byte type, void** data)
+{
+ if (data)
+ *data = NULL;
+
+ if (ssl && ssl->extensions)
+ return TLSX_SNI_GetRequest(ssl->extensions, type, data);
+
+ return 0;
+}
+
+
+int wolfSSL_SNI_GetFromBuffer(const byte* clientHello, word32 helloSz,
+ byte type, byte* sni, word32* inOutSz)
+{
+ if (clientHello && helloSz > 0 && sni && inOutSz && *inOutSz > 0)
+ return TLSX_SNI_GetFromBuffer(clientHello, helloSz, type, sni, inOutSz);
+
+ return BAD_FUNC_ARG;
+}
+
+#endif /* NO_WOLFSSL_SERVER */
+
+#endif /* HAVE_SNI */
+
+
+#ifdef HAVE_MAX_FRAGMENT
+#ifndef NO_WOLFSSL_CLIENT
+
+int wolfSSL_UseMaxFragment(WOLFSSL* ssl, byte mfl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseMaxFragment(&ssl->extensions, mfl, ssl->heap);
+}
+
+
+int wolfSSL_CTX_UseMaxFragment(WOLFSSL_CTX* ctx, byte mfl)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseMaxFragment(&ctx->extensions, mfl, ctx->heap);
+}
+
+#endif /* NO_WOLFSSL_CLIENT */
+#endif /* HAVE_MAX_FRAGMENT */
+
+#ifdef HAVE_TRUNCATED_HMAC
+#ifndef NO_WOLFSSL_CLIENT
+
+int wolfSSL_UseTruncatedHMAC(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseTruncatedHMAC(&ssl->extensions, ssl->heap);
+}
+
+
+int wolfSSL_CTX_UseTruncatedHMAC(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseTruncatedHMAC(&ctx->extensions, ctx->heap);
+}
+
+#endif /* NO_WOLFSSL_CLIENT */
+#endif /* HAVE_TRUNCATED_HMAC */
+
+#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
+
+int wolfSSL_UseOCSPStapling(WOLFSSL* ssl, byte status_type, byte options)
+{
+ if (ssl == NULL || ssl->options.side != WOLFSSL_CLIENT_END)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseCertificateStatusRequest(&ssl->extensions, status_type,
+ options, NULL, ssl->heap, ssl->devId);
+}
+
+
+int wolfSSL_CTX_UseOCSPStapling(WOLFSSL_CTX* ctx, byte status_type,
+ byte options)
+{
+ if (ctx == NULL || ctx->method->side != WOLFSSL_CLIENT_END)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseCertificateStatusRequest(&ctx->extensions, status_type,
+ options, NULL, ctx->heap, ctx->devId);
+}
+
+#endif /* HAVE_CERTIFICATE_STATUS_REQUEST */
+
+#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
+
+int wolfSSL_UseOCSPStaplingV2(WOLFSSL* ssl, byte status_type, byte options)
+{
+ if (ssl == NULL || ssl->options.side != WOLFSSL_CLIENT_END)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseCertificateStatusRequestV2(&ssl->extensions, status_type,
+ options, ssl->heap, ssl->devId);
+}
+
+
+int wolfSSL_CTX_UseOCSPStaplingV2(WOLFSSL_CTX* ctx, byte status_type,
+ byte options)
+{
+ if (ctx == NULL || ctx->method->side != WOLFSSL_CLIENT_END)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseCertificateStatusRequestV2(&ctx->extensions, status_type,
+ options, ctx->heap, ctx->devId);
+}
+
+#endif /* HAVE_CERTIFICATE_STATUS_REQUEST_V2 */
+
+/* Elliptic Curves */
+#ifdef HAVE_SUPPORTED_CURVES
+#ifndef NO_WOLFSSL_CLIENT
+
+int wolfSSL_UseSupportedCurve(WOLFSSL* ssl, word16 name)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ switch (name) {
+ case WOLFSSL_ECC_SECP160K1:
+ case WOLFSSL_ECC_SECP160R1:
+ case WOLFSSL_ECC_SECP160R2:
+ case WOLFSSL_ECC_SECP192K1:
+ case WOLFSSL_ECC_SECP192R1:
+ case WOLFSSL_ECC_SECP224K1:
+ case WOLFSSL_ECC_SECP224R1:
+ case WOLFSSL_ECC_SECP256K1:
+ case WOLFSSL_ECC_SECP256R1:
+ case WOLFSSL_ECC_SECP384R1:
+ case WOLFSSL_ECC_SECP521R1:
+ case WOLFSSL_ECC_BRAINPOOLP256R1:
+ case WOLFSSL_ECC_BRAINPOOLP384R1:
+ case WOLFSSL_ECC_BRAINPOOLP512R1:
+ case WOLFSSL_ECC_X25519:
+ break;
+
+#ifdef WOLFSSL_TLS13
+ case WOLFSSL_FFDHE_2048:
+ case WOLFSSL_FFDHE_3072:
+ case WOLFSSL_FFDHE_4096:
+ case WOLFSSL_FFDHE_6144:
+ case WOLFSSL_FFDHE_8192:
+ if (!IsAtLeastTLSv1_3(ssl->version))
+ return WOLFSSL_SUCCESS;
+ break;
+#endif
+
+ default:
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->options.userCurves = 1;
+
+ return TLSX_UseSupportedCurve(&ssl->extensions, name, ssl->heap);
+}
+
+
+int wolfSSL_CTX_UseSupportedCurve(WOLFSSL_CTX* ctx, word16 name)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ switch (name) {
+ case WOLFSSL_ECC_SECP160K1:
+ case WOLFSSL_ECC_SECP160R1:
+ case WOLFSSL_ECC_SECP160R2:
+ case WOLFSSL_ECC_SECP192K1:
+ case WOLFSSL_ECC_SECP192R1:
+ case WOLFSSL_ECC_SECP224K1:
+ case WOLFSSL_ECC_SECP224R1:
+ case WOLFSSL_ECC_SECP256K1:
+ case WOLFSSL_ECC_SECP256R1:
+ case WOLFSSL_ECC_SECP384R1:
+ case WOLFSSL_ECC_SECP521R1:
+ case WOLFSSL_ECC_BRAINPOOLP256R1:
+ case WOLFSSL_ECC_BRAINPOOLP384R1:
+ case WOLFSSL_ECC_BRAINPOOLP512R1:
+ case WOLFSSL_ECC_X25519:
+ break;
+
+#ifdef WOLFSSL_TLS13
+ case WOLFSSL_FFDHE_2048:
+ case WOLFSSL_FFDHE_3072:
+ case WOLFSSL_FFDHE_4096:
+ case WOLFSSL_FFDHE_6144:
+ case WOLFSSL_FFDHE_8192:
+ break;
+#endif
+
+ default:
+ return BAD_FUNC_ARG;
+ }
+
+ ctx->userCurves = 1;
+
+ return TLSX_UseSupportedCurve(&ctx->extensions, name, ctx->heap);
+}
+
+#endif /* NO_WOLFSSL_CLIENT */
+#endif /* HAVE_SUPPORTED_CURVES */
+
+/* QSH quantum safe handshake */
+#ifdef HAVE_QSH
+/* returns 1 if QSH has been used 0 otherwise */
+int wolfSSL_isQSH(WOLFSSL* ssl)
+{
+ /* if no ssl struct than QSH was not used */
+ if (ssl == NULL)
+ return 0;
+
+ return ssl->isQSH;
+}
+
+
+int wolfSSL_UseSupportedQSH(WOLFSSL* ssl, word16 name)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ switch (name) {
+ #ifdef HAVE_NTRU
+ case WOLFSSL_NTRU_EESS439:
+ case WOLFSSL_NTRU_EESS593:
+ case WOLFSSL_NTRU_EESS743:
+ break;
+ #endif
+ default:
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->user_set_QSHSchemes = 1;
+
+ return TLSX_UseQSHScheme(&ssl->extensions, name, NULL, 0, ssl->heap);
+}
+
+#ifndef NO_WOLFSSL_CLIENT
+ /* user control over sending client public key in hello
+ when flag = 1 will send keys if flag is 0 or function is not called
+ then will not send keys in the hello extension
+ return 0 on success
+ */
+ int wolfSSL_UseClientQSHKeys(WOLFSSL* ssl, unsigned char flag)
+ {
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->sendQSHKeys = flag;
+
+ return 0;
+ }
+#endif /* NO_WOLFSSL_CLIENT */
+#endif /* HAVE_QSH */
+
+/* Application-Layer Protocol Negotiation */
+#ifdef HAVE_ALPN
+
+int wolfSSL_UseALPN(WOLFSSL* ssl, char *protocol_name_list,
+ word32 protocol_name_listSz, byte options)
+{
+ char *list, *ptr, *token[10];
+ word16 len;
+ int idx = 0;
+ int ret = WOLFSSL_FAILURE;
+
+ WOLFSSL_ENTER("wolfSSL_UseALPN");
+
+ if (ssl == NULL || protocol_name_list == NULL)
+ return BAD_FUNC_ARG;
+
+ if (protocol_name_listSz > (WOLFSSL_MAX_ALPN_NUMBER *
+ WOLFSSL_MAX_ALPN_PROTO_NAME_LEN +
+ WOLFSSL_MAX_ALPN_NUMBER)) {
+ WOLFSSL_MSG("Invalid arguments, protocol name list too long");
+ return BAD_FUNC_ARG;
+ }
+
+ if (!(options & WOLFSSL_ALPN_CONTINUE_ON_MISMATCH) &&
+ !(options & WOLFSSL_ALPN_FAILED_ON_MISMATCH)) {
+ WOLFSSL_MSG("Invalid arguments, options not supported");
+ return BAD_FUNC_ARG;
+ }
+
+
+ list = (char *)XMALLOC(protocol_name_listSz+1, ssl->heap,
+ DYNAMIC_TYPE_ALPN);
+ if (list == NULL) {
+ WOLFSSL_MSG("Memory failure");
+ return MEMORY_ERROR;
+ }
+
+ XSTRNCPY(list, protocol_name_list, protocol_name_listSz);
+ list[protocol_name_listSz] = '\0';
+
+ /* read all protocol name from the list */
+ token[idx] = XSTRTOK(list, ",", &ptr);
+ while (token[idx] != NULL)
+ token[++idx] = XSTRTOK(NULL, ",", &ptr);
+
+ /* add protocol name list in the TLS extension in reverse order */
+ while ((idx--) > 0) {
+ len = (word16)XSTRLEN(token[idx]);
+
+ ret = TLSX_UseALPN(&ssl->extensions, token[idx], len, options,
+ ssl->heap);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("TLSX_UseALPN failure");
+ break;
+ }
+ }
+
+ XFREE(list, ssl->heap, DYNAMIC_TYPE_ALPN);
+
+ return ret;
+}
+
+int wolfSSL_ALPN_GetProtocol(WOLFSSL* ssl, char **protocol_name, word16 *size)
+{
+ return TLSX_ALPN_GetRequest(ssl ? ssl->extensions : NULL,
+ (void **)protocol_name, size);
+}
+
+int wolfSSL_ALPN_GetPeerProtocol(WOLFSSL* ssl, char **list, word16 *listSz)
+{
+ if (list == NULL || listSz == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->alpn_client_list == NULL)
+ return BUFFER_ERROR;
+
+ *listSz = (word16)XSTRLEN(ssl->alpn_client_list);
+ if (*listSz == 0)
+ return BUFFER_ERROR;
+
+ *list = (char *)XMALLOC((*listSz)+1, ssl->heap, DYNAMIC_TYPE_TLSX);
+ if (*list == NULL)
+ return MEMORY_ERROR;
+
+ XSTRNCPY(*list, ssl->alpn_client_list, (*listSz)+1);
+ (*list)[*listSz] = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* used to free memory allocated by wolfSSL_ALPN_GetPeerProtocol */
+int wolfSSL_ALPN_FreePeerProtocol(WOLFSSL* ssl, char **list)
+{
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ XFREE(*list, ssl->heap, DYNAMIC_TYPE_TLSX);
+ *list = NULL;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* HAVE_ALPN */
+
+/* Secure Renegotiation */
+#ifdef HAVE_SECURE_RENEGOTIATION
+
+/* user is forcing ability to use secure renegotiation, we discourage it */
+int wolfSSL_UseSecureRenegotiation(WOLFSSL* ssl)
+{
+ int ret = BAD_FUNC_ARG;
+
+ if (ssl)
+ ret = TLSX_UseSecureRenegotiation(&ssl->extensions, ssl->heap);
+
+ if (ret == WOLFSSL_SUCCESS) {
+ TLSX* extension = TLSX_Find(ssl->extensions, TLSX_RENEGOTIATION_INFO);
+
+ if (extension)
+ ssl->secure_renegotiation = (SecureRenegotiation*)extension->data;
+ }
+
+ return ret;
+}
+
+
+/* do a secure renegotiation handshake, user forced, we discourage */
+int wolfSSL_Rehandshake(WOLFSSL* ssl)
+{
+ int ret;
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->secure_renegotiation == NULL) {
+ WOLFSSL_MSG("Secure Renegotiation not forced on by user");
+ return SECURE_RENEGOTIATION_E;
+ }
+
+ if (ssl->secure_renegotiation->enabled == 0) {
+ WOLFSSL_MSG("Secure Renegotiation not enabled at extension level");
+ return SECURE_RENEGOTIATION_E;
+ }
+
+ if (ssl->options.handShakeState != HANDSHAKE_DONE) {
+ WOLFSSL_MSG("Can't renegotiate until previous handshake complete");
+ return SECURE_RENEGOTIATION_E;
+ }
+
+#ifndef NO_FORCE_SCR_SAME_SUITE
+ /* force same suite */
+ if (ssl->suites) {
+ ssl->suites->suiteSz = SUITE_LEN;
+ ssl->suites->suites[0] = ssl->options.cipherSuite0;
+ ssl->suites->suites[1] = ssl->options.cipherSuite;
+ }
+#endif
+
+ /* reset handshake states */
+ ssl->options.serverState = NULL_STATE;
+ ssl->options.clientState = NULL_STATE;
+ ssl->options.connectState = CONNECT_BEGIN;
+ ssl->options.acceptState = ACCEPT_BEGIN;
+ ssl->options.handShakeState = NULL_STATE;
+ ssl->options.processReply = 0; /* TODO, move states in internal.h */
+
+ XMEMSET(&ssl->msgsReceived, 0, sizeof(ssl->msgsReceived));
+
+ ssl->secure_renegotiation->cache_status = SCR_CACHE_NEEDED;
+
+ ret = InitHandshakeHashes(ssl);
+ if (ret !=0)
+ return ret;
+
+ ret = wolfSSL_negotiate(ssl);
+ return ret;
+}
+
+#endif /* HAVE_SECURE_RENEGOTIATION */
+
+/* Session Ticket */
+#if !defined(NO_WOLFSSL_SERVER) && defined(HAVE_SESSION_TICKET)
+/* WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_set_TicketEncCb(WOLFSSL_CTX* ctx, SessionTicketEncCb cb)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->ticketEncCb = cb;
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* set hint interval, WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_set_TicketHint(WOLFSSL_CTX* ctx, int hint)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->ticketHint = hint;
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* set user context, WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_set_TicketEncCtx(WOLFSSL_CTX* ctx, void* userCtx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->ticketEncCtx = userCtx;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET) */
+
+/* Session Ticket */
+#if !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET)
+int wolfSSL_UseSessionTicket(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseSessionTicket(&ssl->extensions, NULL, ssl->heap);
+}
+
+int wolfSSL_CTX_UseSessionTicket(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return TLSX_UseSessionTicket(&ctx->extensions, NULL, ctx->heap);
+}
+
+WOLFSSL_API int wolfSSL_get_SessionTicket(WOLFSSL* ssl,
+ byte* buf, word32* bufSz)
+{
+ if (ssl == NULL || buf == NULL || bufSz == NULL || *bufSz == 0)
+ return BAD_FUNC_ARG;
+
+ if (ssl->session.ticketLen <= *bufSz) {
+ XMEMCPY(buf, ssl->session.ticket, ssl->session.ticketLen);
+ *bufSz = ssl->session.ticketLen;
+ }
+ else
+ *bufSz = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+
+WOLFSSL_API int wolfSSL_set_SessionTicket(WOLFSSL* ssl, const byte* buf,
+ word32 bufSz)
+{
+ if (ssl == NULL || (buf == NULL && bufSz > 0))
+ return BAD_FUNC_ARG;
+
+ if (bufSz > 0) {
+ /* Ticket will fit into static ticket */
+ if(bufSz <= SESSION_TICKET_LEN) {
+ if (ssl->session.isDynamic) {
+ XFREE(ssl->session.ticket, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ ssl->session.isDynamic = 0;
+ ssl->session.ticket = ssl->session.staticTicket;
+ }
+ } else { /* Ticket requires dynamic ticket storage */
+ if (ssl->session.ticketLen < bufSz) { /* is dyn buffer big enough */
+ if(ssl->session.isDynamic)
+ XFREE(ssl->session.ticket, ssl->heap,
+ DYNAMIC_TYPE_SESSION_TICK);
+ ssl->session.ticket = (byte*)XMALLOC(bufSz, ssl->heap,
+ DYNAMIC_TYPE_SESSION_TICK);
+ if(!ssl->session.ticket) {
+ ssl->session.ticket = ssl->session.staticTicket;
+ ssl->session.isDynamic = 0;
+ return MEMORY_ERROR;
+ }
+ ssl->session.isDynamic = 1;
+ }
+ }
+ XMEMCPY(ssl->session.ticket, buf, bufSz);
+ }
+ ssl->session.ticketLen = (word16)bufSz;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+WOLFSSL_API int wolfSSL_set_SessionTicket_cb(WOLFSSL* ssl,
+ CallbackSessionTicket cb, void* ctx)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->session_ticket_cb = cb;
+ ssl->session_ticket_ctx = ctx;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+
+#ifdef HAVE_EXTENDED_MASTER
+#ifndef NO_WOLFSSL_CLIENT
+
+int wolfSSL_CTX_DisableExtendedMasterSecret(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->haveEMS = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_DisableExtendedMasterSecret(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->options.haveEMS = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif
+#endif
+
+
+#ifndef WOLFSSL_LEANPSK
+
+int wolfSSL_send(WOLFSSL* ssl, const void* data, int sz, int flags)
+{
+ int ret;
+ int oldFlags;
+
+ WOLFSSL_ENTER("wolfSSL_send()");
+
+ if (ssl == NULL || data == NULL || sz < 0)
+ return BAD_FUNC_ARG;
+
+ oldFlags = ssl->wflags;
+
+ ssl->wflags = flags;
+ ret = wolfSSL_write(ssl, data, sz);
+ ssl->wflags = oldFlags;
+
+ WOLFSSL_LEAVE("wolfSSL_send()", ret);
+
+ return ret;
+}
+
+
+int wolfSSL_recv(WOLFSSL* ssl, void* data, int sz, int flags)
+{
+ int ret;
+ int oldFlags;
+
+ WOLFSSL_ENTER("wolfSSL_recv()");
+
+ if (ssl == NULL || data == NULL || sz < 0)
+ return BAD_FUNC_ARG;
+
+ oldFlags = ssl->rflags;
+
+ ssl->rflags = flags;
+ ret = wolfSSL_read(ssl, data, sz);
+ ssl->rflags = oldFlags;
+
+ WOLFSSL_LEAVE("wolfSSL_recv()", ret);
+
+ return ret;
+}
+#endif
+
+
+/* WOLFSSL_SUCCESS on ok */
+int wolfSSL_shutdown(WOLFSSL* ssl)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ byte tmp;
+ WOLFSSL_ENTER("SSL_shutdown()");
+
+ if (ssl == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ if (ssl->options.quietShutdown) {
+ WOLFSSL_MSG("quiet shutdown, no close notify sent");
+ ret = WOLFSSL_SUCCESS;
+ }
+ else {
+ /* try to send close notify, not an error if can't */
+ if (!ssl->options.isClosed && !ssl->options.connReset &&
+ !ssl->options.sentNotify) {
+ ssl->error = SendAlert(ssl, alert_warning, close_notify);
+ if (ssl->error < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.sentNotify = 1; /* don't send close_notify twice */
+ if (ssl->options.closeNotify)
+ ret = WOLFSSL_SUCCESS;
+ else {
+ ret = WOLFSSL_SHUTDOWN_NOT_DONE;
+ WOLFSSL_LEAVE("SSL_shutdown()", ret);
+ return ret;
+ }
+ }
+
+ /* call wolfSSL_shutdown again for bidirectional shutdown */
+ if (ssl->options.sentNotify && !ssl->options.closeNotify) {
+ ret = wolfSSL_read(ssl, &tmp, 0);
+ if (ret < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ ret = WOLFSSL_FATAL_ERROR;
+ } else if (ssl->options.closeNotify) {
+ ssl->error = WOLFSSL_ERROR_SYSCALL; /* simulate OpenSSL behavior */
+ ret = WOLFSSL_SUCCESS;
+ }
+ }
+ }
+
+#ifdef OPENSSL_EXTRA
+ /* reset WOLFSSL structure state for possible re-use */
+ if (ret == WOLFSSL_SUCCESS) {
+ if (wolfSSL_clear(ssl) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("could not clear WOLFSSL");
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif
+
+ WOLFSSL_LEAVE("SSL_shutdown()", ret);
+
+ return ret;
+}
+
+
+/* get current error state value */
+int wolfSSL_state(WOLFSSL* ssl)
+{
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ return ssl->error;
+}
+
+
+int wolfSSL_get_error(WOLFSSL* ssl, int ret)
+{
+ WOLFSSL_ENTER("SSL_get_error");
+
+ if (ret > 0)
+ return WOLFSSL_ERROR_NONE;
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ WOLFSSL_LEAVE("SSL_get_error", ssl->error);
+
+ /* make sure converted types are handled in SetErrorString() too */
+ if (ssl->error == WANT_READ)
+ return WOLFSSL_ERROR_WANT_READ; /* convert to OpenSSL type */
+ else if (ssl->error == WANT_WRITE)
+ return WOLFSSL_ERROR_WANT_WRITE; /* convert to OpenSSL type */
+ else if (ssl->error == ZERO_RETURN)
+ return WOLFSSL_ERROR_ZERO_RETURN; /* convert to OpenSSL type */
+ return ssl->error;
+}
+
+
+/* retrive alert history, WOLFSSL_SUCCESS on ok */
+int wolfSSL_get_alert_history(WOLFSSL* ssl, WOLFSSL_ALERT_HISTORY *h)
+{
+ if (ssl && h) {
+ *h = ssl->alert_history;
+ }
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* return TRUE if current error is want read */
+int wolfSSL_want_read(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_want_read");
+ if (ssl->error == WANT_READ)
+ return 1;
+
+ return 0;
+}
+
+
+/* return TRUE if current error is want write */
+int wolfSSL_want_write(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_want_write");
+ if (ssl->error == WANT_WRITE)
+ return 1;
+
+ return 0;
+}
+
+
+char* wolfSSL_ERR_error_string(unsigned long errNumber, char* data)
+{
+ static const char* const msg = "Please supply a buffer for error string";
+
+ WOLFSSL_ENTER("ERR_error_string");
+ if (data) {
+ SetErrorString((int)errNumber, data);
+ return data;
+ }
+
+ return (char*)msg;
+}
+
+
+void wolfSSL_ERR_error_string_n(unsigned long e, char* buf, unsigned long len)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_error_string_n");
+ if (len >= WOLFSSL_MAX_ERROR_SZ)
+ wolfSSL_ERR_error_string(e, buf);
+ else {
+ char tmp[WOLFSSL_MAX_ERROR_SZ];
+
+ WOLFSSL_MSG("Error buffer too short, truncating");
+ if (len) {
+ wolfSSL_ERR_error_string(e, tmp);
+ XMEMCPY(buf, tmp, len-1);
+ buf[len-1] = '\0';
+ }
+ }
+}
+
+
+/* don't free temporary arrays at end of handshake */
+void wolfSSL_KeepArrays(WOLFSSL* ssl)
+{
+ if (ssl)
+ ssl->options.saveArrays = 1;
+}
+
+
+/* user doesn't need temporary arrays anymore, Free */
+void wolfSSL_FreeArrays(WOLFSSL* ssl)
+{
+ if (ssl && ssl->options.handShakeState == HANDSHAKE_DONE) {
+ ssl->options.saveArrays = 0;
+ FreeArrays(ssl, 1);
+ }
+}
+
+/* Set option to indicate that the resources are not to be freed after
+ * handshake.
+ *
+ * ssl The SSL/TLS object.
+ * returns BAD_FUNC_ARG when ssl is NULL and 0 on success.
+ */
+int wolfSSL_KeepHandshakeResources(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->options.keepResources = 1;
+
+ return 0;
+}
+
+/* Free the handshake resources after handshake.
+ *
+ * ssl The SSL/TLS object.
+ * returns BAD_FUNC_ARG when ssl is NULL and 0 on success.
+ */
+int wolfSSL_FreeHandshakeResources(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ FreeHandshakeResources(ssl);
+
+ return 0;
+}
+
+/* Use the client's order of preference when matching cipher suites.
+ *
+ * ssl The SSL/TLS context object.
+ * returns BAD_FUNC_ARG when ssl is NULL and 0 on success.
+ */
+int wolfSSL_CTX_UseClientSuites(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->useClientOrder = 1;
+
+ return 0;
+}
+
+/* Use the client's order of preference when matching cipher suites.
+ *
+ * ssl The SSL/TLS object.
+ * returns BAD_FUNC_ARG when ssl is NULL and 0 on success.
+ */
+int wolfSSL_UseClientSuites(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->options.useClientOrder = 1;
+
+ return 0;
+}
+
+const byte* wolfSSL_GetMacSecret(WOLFSSL* ssl, int verify)
+{
+ if (ssl == NULL)
+ return NULL;
+
+ if ( (ssl->options.side == WOLFSSL_CLIENT_END && !verify) ||
+ (ssl->options.side == WOLFSSL_SERVER_END && verify) )
+ return ssl->keys.client_write_MAC_secret;
+ else
+ return ssl->keys.server_write_MAC_secret;
+}
+
+
+#ifdef ATOMIC_USER
+
+void wolfSSL_CTX_SetMacEncryptCb(WOLFSSL_CTX* ctx, CallbackMacEncrypt cb)
+{
+ if (ctx)
+ ctx->MacEncryptCb = cb;
+}
+
+
+void wolfSSL_SetMacEncryptCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->MacEncryptCtx = ctx;
+}
+
+
+void* wolfSSL_GetMacEncryptCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->MacEncryptCtx;
+
+ return NULL;
+}
+
+
+void wolfSSL_CTX_SetDecryptVerifyCb(WOLFSSL_CTX* ctx, CallbackDecryptVerify cb)
+{
+ if (ctx)
+ ctx->DecryptVerifyCb = cb;
+}
+
+
+void wolfSSL_SetDecryptVerifyCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->DecryptVerifyCtx = ctx;
+}
+
+
+void* wolfSSL_GetDecryptVerifyCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->DecryptVerifyCtx;
+
+ return NULL;
+}
+
+
+const byte* wolfSSL_GetClientWriteKey(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->keys.client_write_key;
+
+ return NULL;
+}
+
+
+const byte* wolfSSL_GetClientWriteIV(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->keys.client_write_IV;
+
+ return NULL;
+}
+
+
+const byte* wolfSSL_GetServerWriteKey(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->keys.server_write_key;
+
+ return NULL;
+}
+
+
+const byte* wolfSSL_GetServerWriteIV(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->keys.server_write_IV;
+
+ return NULL;
+}
+
+int wolfSSL_GetKeySize(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->specs.key_size;
+
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_GetIVSize(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->specs.iv_size;
+
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_GetBulkCipher(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->specs.bulk_cipher_algorithm;
+
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_GetCipherType(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->specs.cipher_type == block)
+ return WOLFSSL_BLOCK_TYPE;
+ if (ssl->specs.cipher_type == stream)
+ return WOLFSSL_STREAM_TYPE;
+ if (ssl->specs.cipher_type == aead)
+ return WOLFSSL_AEAD_TYPE;
+
+ return -1;
+}
+
+
+int wolfSSL_GetCipherBlockSize(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return ssl->specs.block_size;
+}
+
+
+int wolfSSL_GetAeadMacSize(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return ssl->specs.aead_mac_size;
+}
+
+
+int wolfSSL_IsTLSv1_1(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->options.tls1_1)
+ return 1;
+
+ return 0;
+}
+
+
+int wolfSSL_GetSide(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->options.side;
+
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_GetHmacSize(WOLFSSL* ssl)
+{
+ /* AEAD ciphers don't have HMAC keys */
+ if (ssl)
+ return (ssl->specs.cipher_type != aead) ? ssl->specs.hash_size : 0;
+
+ return BAD_FUNC_ARG;
+}
+
+#endif /* ATOMIC_USER */
+
+#ifndef NO_CERTS
+
+WOLFSSL_CERT_MANAGER* wolfSSL_CTX_GetCertManager(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_CERT_MANAGER* cm = NULL;
+ if (ctx)
+ cm = ctx->cm;
+ return cm;
+}
+
+WOLFSSL_CERT_MANAGER* wolfSSL_CertManagerNew_ex(void* heap)
+{
+ WOLFSSL_CERT_MANAGER* cm = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerNew");
+
+ cm = (WOLFSSL_CERT_MANAGER*) XMALLOC(sizeof(WOLFSSL_CERT_MANAGER), heap,
+ DYNAMIC_TYPE_CERT_MANAGER);
+ if (cm) {
+ XMEMSET(cm, 0, sizeof(WOLFSSL_CERT_MANAGER));
+
+ if (wc_InitMutex(&cm->caLock) != 0) {
+ WOLFSSL_MSG("Bad mutex init");
+ wolfSSL_CertManagerFree(cm);
+ return NULL;
+ }
+
+ #ifdef WOLFSSL_TRUST_PEER_CERT
+ if (wc_InitMutex(&cm->tpLock) != 0) {
+ WOLFSSL_MSG("Bad mutex init");
+ wolfSSL_CertManagerFree(cm);
+ return NULL;
+ }
+ #endif
+
+ /* set default minimum key size allowed */
+ #ifndef NO_RSA
+ cm->minRsaKeySz = MIN_RSAKEY_SZ;
+ #endif
+ #ifdef HAVE_ECC
+ cm->minEccKeySz = MIN_ECCKEY_SZ;
+ #endif
+ cm->heap = heap;
+ }
+
+ return cm;
+}
+
+
+WOLFSSL_CERT_MANAGER* wolfSSL_CertManagerNew(void)
+{
+ return wolfSSL_CertManagerNew_ex(NULL);
+}
+
+
+void wolfSSL_CertManagerFree(WOLFSSL_CERT_MANAGER* cm)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerFree");
+
+ if (cm) {
+ #ifdef HAVE_CRL
+ if (cm->crl)
+ FreeCRL(cm->crl, 1);
+ #endif
+ #ifdef HAVE_OCSP
+ if (cm->ocsp)
+ FreeOCSP(cm->ocsp, 1);
+ XFREE(cm->ocspOverrideURL, cm->heap, DYNAMIC_TYPE_URL);
+ #if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ if (cm->ocsp_stapling)
+ FreeOCSP(cm->ocsp_stapling, 1);
+ #endif
+ #endif
+ FreeSignerTable(cm->caTable, CA_TABLE_SIZE, cm->heap);
+ wc_FreeMutex(&cm->caLock);
+
+ #ifdef WOLFSSL_TRUST_PEER_CERT
+ FreeTrustedPeerTable(cm->tpTable, TP_TABLE_SIZE, cm->heap);
+ wc_FreeMutex(&cm->tpLock);
+ #endif
+
+ XFREE(cm, cm->heap, DYNAMIC_TYPE_CERT_MANAGER);
+ }
+
+}
+
+
+/* Unload the CA signer list */
+int wolfSSL_CertManagerUnloadCAs(WOLFSSL_CERT_MANAGER* cm)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerUnloadCAs");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (wc_LockMutex(&cm->caLock) != 0)
+ return BAD_MUTEX_E;
+
+ FreeSignerTable(cm->caTable, CA_TABLE_SIZE, NULL);
+
+ wc_UnLockMutex(&cm->caLock);
+
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+int wolfSSL_CertManagerUnload_trust_peers(WOLFSSL_CERT_MANAGER* cm)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerUnload_trust_peers");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (wc_LockMutex(&cm->tpLock) != 0)
+ return BAD_MUTEX_E;
+
+ FreeTrustedPeerTable(cm->tpTable, TP_TABLE_SIZE, NULL);
+
+ wc_UnLockMutex(&cm->tpLock);
+
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+
+#endif /* NO_CERTS */
+
+#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
+ defined(HAVE_WEBSERVER)
+
+static const struct cipher{
+ unsigned char type;
+ const char *name;
+} cipher_tbl[] = {
+
+#ifndef NO_AES
+ #ifdef WOLFSSL_AES_128
+ {AES_128_CBC_TYPE, "AES-128-CBC"},
+ #endif
+ #ifdef WOLFSSL_AES_192
+ {AES_192_CBC_TYPE, "AES-192-CBC"},
+ #endif
+ #ifdef WOLFSSL_AES_256
+ {AES_256_CBC_TYPE, "AES-256-CBC"},
+ #endif
+#if defined(OPENSSL_EXTRA)
+ #ifdef WOLFSSL_AES_128
+ {AES_128_CTR_TYPE, "AES-128-CTR"},
+ #endif
+ #ifdef WOLFSSL_AES_192
+ {AES_192_CTR_TYPE, "AES-192-CTR"},
+ #endif
+ #ifdef WOLFSSL_AES_256
+ {AES_256_CTR_TYPE, "AES-256-CTR"},
+ #endif
+
+ #ifdef WOLFSSL_AES_128
+ {AES_128_ECB_TYPE, "AES-128-ECB"},
+ #endif
+ #ifdef WOLFSSL_AES_192
+ {AES_192_ECB_TYPE, "AES-192-ECB"},
+ #endif
+ #ifdef WOLFSSL_AES_256
+ {AES_256_ECB_TYPE, "AES-256-ECB"},
+ #endif
+#endif
+
+#endif
+
+#ifndef NO_DES3
+ {DES_CBC_TYPE, "DES-CBC"},
+ {DES_ECB_TYPE, "DES-ECB"},
+
+ {DES_EDE3_CBC_TYPE, "DES-EDE3-CBC"},
+ {DES_EDE3_ECB_TYPE, "DES-EDE3-ECB"},
+#endif
+
+#ifndef NO_RC4
+ {ARC4_TYPE, "ARC4"},
+#endif
+
+#ifdef HAVE_IDEA
+ {IDEA_CBC_TYPE, "IDEA-CBC"},
+#endif
+ { 0, NULL}
+};
+
+const WOLFSSL_EVP_CIPHER *wolfSSL_EVP_get_cipherbyname(const char *name)
+{
+
+ static const struct alias {
+ const char *name;
+ const char *alias;
+ } alias_tbl[] =
+ {
+#ifndef NO_DES3
+ {"DES-CBC", "DES"},
+ {"DES-CBC", "des"},
+ {"DES-ECB", "DES-ECB"},
+ {"DES-ECB", "des-ecb"},
+ {"DES-EDE3-CBC", "DES3"},
+ {"DES-EDE3-CBC", "des3"},
+ {"DES-EDE3-ECB", "DES-EDE3"},
+ {"DES-EDE3-ECB", "des-ede3"},
+ {"DES-EDE3-ECB", "des-ede3-ecb"},
+#endif
+#ifdef HAVE_IDEA
+ {"IDEA-CBC", "IDEA"},
+ {"IDEA-CBC", "idea"},
+#endif
+#ifndef NO_AES
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ {"AES-128-CBC", "AES128-CBC"},
+ {"AES-128-CBC", "aes128-cbc"},
+ #endif
+ #ifdef WOLFSSL_AES_192
+ {"AES-192-CBC", "AES192-CBC"},
+ {"AES-192-CBC", "aes192-cbc"},
+ #endif
+ #ifdef WOLFSSL_AES_256
+ {"AES-256-CBC", "AES256-CBC"},
+ {"AES-256-CBC", "aes256-cbc"},
+ #endif
+ #endif
+ #ifdef WOLFSSL_AES_128
+ {"AES-128-ECB", "AES128-ECB"},
+ {"AES-128-ECB", "aes128-ecb"},
+ #endif
+ #ifdef WOLFSSL_AES_192
+ {"AES-192-ECB", "AES192-ECB"},
+ {"AES-192-ECB", "aes192-ecb"},
+ #endif
+ #ifdef WOLFSSL_AES_256
+ {"AES-256-ECB", "AES256-ECB"},
+ {"AES-256-EBC", "aes256-ecb"},
+ #endif
+#endif
+#ifndef NO_RC4
+ {"ARC4", "RC4"},
+#endif
+ { NULL, NULL}
+ };
+
+ const struct cipher *ent;
+ const struct alias *al;
+
+ WOLFSSL_ENTER("EVP_get_cipherbyname");
+
+ for( al = alias_tbl; al->name != NULL; al++)
+ if(XSTRNCMP(name, al->alias, XSTRLEN(al->alias)+1) == 0) {
+ name = al->name;
+ break;
+ }
+
+ for( ent = cipher_tbl; ent->name != NULL; ent++)
+ if(XSTRNCMP(name, ent->name, XSTRLEN(ent->name)+1) == 0) {
+ return (WOLFSSL_EVP_CIPHER *)ent->name;
+ }
+
+ return NULL;
+}
+
+/*
+ * return an EVP_CIPHER structure when cipher NID is passed.
+ *
+ * id cipher NID
+ *
+ * retrun WOLFSSL_EVP_CIPHER
+*/
+const WOLFSSL_EVP_CIPHER *wolfSSL_EVP_get_cipherbynid(int id)
+{
+ WOLFSSL_ENTER("EVP_get_cipherbynid");
+
+ switch(id) {
+
+#if defined(OPENSSL_EXTRA)
+#ifndef NO_AES
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ case NID_aes_128_cbc:
+ return wolfSSL_EVP_aes_128_cbc();
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case NID_aes_192_cbc:
+ return wolfSSL_EVP_aes_192_cbc();
+ #endif
+ #ifdef WOLFSSL_AES_256
+ case NID_aes_256_cbc:
+ return wolfSSL_EVP_aes_256_cbc();
+ #endif
+ #endif
+ #ifdef WOLFSSL_AES_COUNTER
+ #ifdef WOLFSSL_AES_128
+ case NID_aes_128_ctr:
+ return wolfSSL_EVP_aes_128_ctr();
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case NID_aes_192_ctr:
+ return wolfSSL_EVP_aes_192_ctr();
+ #endif
+ #ifdef WOLFSSL_AES_256
+ case NID_aes_256_ctr:
+ return wolfSSL_EVP_aes_256_ctr();
+ #endif
+ #endif /* WOLFSSL_AES_COUNTER */
+ #ifdef HAVE_AES_ECB
+ #ifdef WOLFSSL_AES_128
+ case NID_aes_128_ecb:
+ return wolfSSL_EVP_aes_128_ecb();
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case NID_aes_192_ecb:
+ return wolfSSL_EVP_aes_192_ecb();
+ #endif
+ #ifdef WOLFSSL_AES_256
+ case NID_aes_256_ecb:
+ return wolfSSL_EVP_aes_256_ecb();
+ #endif
+ #endif /* HAVE_AES_ECB */
+#endif
+
+#ifndef NO_DES3
+ case NID_des_cbc:
+ return wolfSSL_EVP_des_cbc();
+#ifdef WOLFSSL_DES_ECB
+ case NID_des_ecb:
+ return wolfSSL_EVP_des_ecb();
+#endif
+ case NID_des_ede3_cbc:
+ return wolfSSL_EVP_des_ede3_cbc();
+#ifdef WOLFSSL_DES_ECB
+ case NID_des_ede3_ecb:
+ return wolfSSL_EVP_des_ede3_ecb();
+#endif
+#endif /*NO_DES3*/
+
+#ifdef HAVE_IDEA
+ case NID_idea_cbc:
+ return wolfSSL_EVP_idea_cbc();
+#endif
+#endif /*OPENSSL_EXTRA*/
+
+ default:
+ WOLFSSL_MSG("Bad cipher id value");
+ }
+
+ return NULL;
+}
+
+#ifndef NO_AES
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ static char *EVP_AES_128_CBC;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ static char *EVP_AES_192_CBC;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ static char *EVP_AES_256_CBC;
+ #endif
+ #endif /* HAVE_AES_CBC */
+#if defined(OPENSSL_EXTRA)
+ #ifdef WOLFSSL_AES_128
+ static char *EVP_AES_128_CTR;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ static char *EVP_AES_192_CTR;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ static char *EVP_AES_256_CTR;
+ #endif
+
+ #ifdef WOLFSSL_AES_128
+ static char *EVP_AES_128_ECB;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ static char *EVP_AES_192_ECB;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ static char *EVP_AES_256_ECB;
+ #endif
+ static const int EVP_AES_SIZE = 11;
+#endif
+#endif
+
+#ifndef NO_DES3
+static char *EVP_DES_CBC;
+static char *EVP_DES_ECB;
+
+static char *EVP_DES_EDE3_CBC;
+static char *EVP_DES_EDE3_ECB;
+
+#ifdef OPENSSL_EXTRA
+static const int EVP_DES_SIZE = 7;
+static const int EVP_DES_EDE3_SIZE = 12;
+#endif
+
+#endif
+
+#ifdef HAVE_IDEA
+static char *EVP_IDEA_CBC;
+#if defined(OPENSSL_EXTRA)
+static const int EVP_IDEA_SIZE = 8;
+#endif
+#endif
+
+void wolfSSL_EVP_init(void)
+{
+#ifndef NO_AES
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ EVP_AES_128_CBC = (char *)EVP_get_cipherbyname("AES-128-CBC");
+ #endif
+ #ifdef WOLFSSL_AES_192
+ EVP_AES_192_CBC = (char *)EVP_get_cipherbyname("AES-192-CBC");
+ #endif
+ #ifdef WOLFSSL_AES_256
+ EVP_AES_256_CBC = (char *)EVP_get_cipherbyname("AES-256-CBC");
+ #endif
+ #endif /* HAVE_AES_CBC */
+
+#if defined(OPENSSL_EXTRA)
+ #ifdef WOLFSSL_AES_128
+ EVP_AES_128_CTR = (char *)EVP_get_cipherbyname("AES-128-CTR");
+ #endif
+ #ifdef WOLFSSL_AES_192
+ EVP_AES_192_CTR = (char *)EVP_get_cipherbyname("AES-192-CTR");
+ #endif
+ #ifdef WOLFSSL_AES_256
+ EVP_AES_256_CTR = (char *)EVP_get_cipherbyname("AES-256-CTR");
+ #endif
+
+ #ifdef WOLFSSL_AES_128
+ EVP_AES_128_ECB = (char *)EVP_get_cipherbyname("AES-128-ECB");
+ #endif
+ #ifdef WOLFSSL_AES_192
+ EVP_AES_192_ECB = (char *)EVP_get_cipherbyname("AES-192-ECB");
+ #endif
+ #ifdef WOLFSSL_AES_256
+ EVP_AES_256_ECB = (char *)EVP_get_cipherbyname("AES-256-ECB");
+ #endif
+#endif
+#endif
+
+#ifndef NO_DES3
+ EVP_DES_CBC = (char *)EVP_get_cipherbyname("DES-CBC");
+ EVP_DES_ECB = (char *)EVP_get_cipherbyname("DES-ECB");
+
+ EVP_DES_EDE3_CBC = (char *)EVP_get_cipherbyname("DES-EDE3-CBC");
+ EVP_DES_EDE3_ECB = (char *)EVP_get_cipherbyname("DES-EDE3-ECB");
+#endif
+
+#ifdef HAVE_IDEA
+ EVP_IDEA_CBC = (char *)EVP_get_cipherbyname("IDEA-CBC");
+#endif
+}
+
+#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL || HAVE_WEBSERVER */
+
+
+#if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
+
+void wolfSSL_ERR_print_errors_fp(XFILE fp, int err)
+{
+ char data[WOLFSSL_MAX_ERROR_SZ + 1];
+
+ WOLFSSL_ENTER("wolfSSL_ERR_print_errors_fp");
+ SetErrorString(err, data);
+ fprintf(fp, "%s", data);
+}
+
+#if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
+void wolfSSL_ERR_dump_errors_fp(XFILE fp)
+{
+ wc_ERR_print_errors_fp(fp);
+}
+#endif
+#endif
+
+
+int wolfSSL_pending(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_pending");
+ return ssl->buffers.clearOutputBuffer.length;
+}
+
+
+#ifndef WOLFSSL_LEANPSK
+/* turn on handshake group messages for context */
+int wolfSSL_CTX_set_group_messages(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->groupMessages = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_CLIENT
+/* connect enough to get peer cert chain */
+int wolfSSL_connect_cert(WOLFSSL* ssl)
+{
+ int ret;
+
+ if (ssl == NULL)
+ return WOLFSSL_FAILURE;
+
+ ssl->options.certOnly = 1;
+ ret = wolfSSL_connect(ssl);
+ ssl->options.certOnly = 0;
+
+ return ret;
+}
+#endif
+
+
+#ifndef WOLFSSL_LEANPSK
+/* turn on handshake group messages for ssl object */
+int wolfSSL_set_group_messages(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->options.groupMessages = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* make minVersion the internal equivalent SSL version */
+static int SetMinVersionHelper(byte* minVersion, int version)
+{
+#ifdef NO_TLS
+ (void)minVersion;
+#endif
+
+ switch (version) {
+#if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ case WOLFSSL_SSLV3:
+ *minVersion = SSLv3_MINOR;
+ break;
+#endif
+
+#ifndef NO_TLS
+ #ifndef NO_OLD_TLS
+ case WOLFSSL_TLSV1:
+ *minVersion = TLSv1_MINOR;
+ break;
+
+ case WOLFSSL_TLSV1_1:
+ *minVersion = TLSv1_1_MINOR;
+ break;
+ #endif
+ #ifndef WOLFSSL_NO_TLS12
+ case WOLFSSL_TLSV1_2:
+ *minVersion = TLSv1_2_MINOR;
+ break;
+ #endif
+#endif
+ #ifdef WOLFSSL_TLS13
+ case WOLFSSL_TLSV1_3:
+ *minVersion = TLSv1_3_MINOR;
+ break;
+ #endif
+
+ default:
+ WOLFSSL_MSG("Bad function argument");
+ return BAD_FUNC_ARG;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* Set minimum downgrade version allowed, WOLFSSL_SUCCESS on ok */
+int wolfSSL_CTX_SetMinVersion(WOLFSSL_CTX* ctx, int version)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_SetMinVersion");
+
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return BAD_FUNC_ARG;
+ }
+
+ return SetMinVersionHelper(&ctx->minDowngrade, version);
+}
+
+
+/* Set minimum downgrade version allowed, WOLFSSL_SUCCESS on ok */
+int wolfSSL_SetMinVersion(WOLFSSL* ssl, int version)
+{
+ WOLFSSL_ENTER("wolfSSL_SetMinVersion");
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return BAD_FUNC_ARG;
+ }
+
+ return SetMinVersionHelper(&ssl->options.minDowngrade, version);
+}
+
+
+/* Function to get version as WOLFSSL_ enum value for wolfSSL_SetVersion */
+int wolfSSL_GetVersion(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (ssl->version.major == SSLv3_MAJOR) {
+ switch (ssl->version.minor) {
+ case SSLv3_MINOR :
+ return WOLFSSL_SSLV3;
+ case TLSv1_MINOR :
+ return WOLFSSL_TLSV1;
+ case TLSv1_1_MINOR :
+ return WOLFSSL_TLSV1_1;
+ case TLSv1_2_MINOR :
+ return WOLFSSL_TLSV1_2;
+ case TLSv1_3_MINOR :
+ return WOLFSSL_TLSV1_3;
+ default:
+ break;
+ }
+ }
+
+ return VERSION_ERROR;
+}
+
+int wolfSSL_SetVersion(WOLFSSL* ssl, int version)
+{
+ word16 haveRSA = 1;
+ word16 havePSK = 0;
+ int keySz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_SetVersion");
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return BAD_FUNC_ARG;
+ }
+
+ switch (version) {
+#if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ case WOLFSSL_SSLV3:
+ ssl->version = MakeSSLv3();
+ break;
+#endif
+
+#ifndef NO_TLS
+ #ifndef NO_OLD_TLS
+ #ifdef WOLFSSL_ALLOW_TLSV10
+ case WOLFSSL_TLSV1:
+ ssl->version = MakeTLSv1();
+ break;
+ #endif
+
+ case WOLFSSL_TLSV1_1:
+ ssl->version = MakeTLSv1_1();
+ break;
+ #endif
+ #ifndef WOLFSSL_NO_TLS12
+ case WOLFSSL_TLSV1_2:
+ ssl->version = MakeTLSv1_2();
+ break;
+ #endif
+#endif
+#ifdef WOLFSSL_TLS13
+ case WOLFSSL_TLSV1_3:
+ ssl->version = MakeTLSv1_3();
+ break;
+
+#endif
+
+ default:
+ WOLFSSL_MSG("Bad function argument");
+ return BAD_FUNC_ARG;
+ }
+
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+ #endif
+ #ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+ #endif
+
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA, havePSK,
+ ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* !leanpsk */
+
+
+#if !defined(NO_CERTS) || !defined(NO_SESSION_CACHE)
+
+/* Make a work from the front of random hash */
+static WC_INLINE word32 MakeWordFromHash(const byte* hashID)
+{
+ return ((word32)hashID[0] << 24) | (hashID[1] << 16) |
+ (hashID[2] << 8) | hashID[3];
+}
+
+#endif /* !NO_CERTS || !NO_SESSION_CACHE */
+
+
+#ifndef NO_CERTS
+
+/* hash is the SHA digest of name, just use first 32 bits as hash */
+static WC_INLINE word32 HashSigner(const byte* hash)
+{
+ return MakeWordFromHash(hash) % CA_TABLE_SIZE;
+}
+
+
+/* does CA already exist on signer list */
+int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash)
+{
+ Signer* signers;
+ int ret = 0;
+ word32 row;
+
+ if (cm == NULL || hash == NULL) {
+ return ret;
+ }
+
+ row = HashSigner(hash);
+
+ if (wc_LockMutex(&cm->caLock) != 0) {
+ return ret;
+ }
+ signers = cm->caTable[row];
+ while (signers) {
+ byte* subjectHash;
+
+ #ifndef NO_SKID
+ subjectHash = signers->subjectKeyIdHash;
+ #else
+ subjectHash = signers->subjectNameHash;
+ #endif
+
+ if (XMEMCMP(hash, subjectHash, SIGNER_DIGEST_SIZE) == 0) {
+ ret = 1; /* success */
+ break;
+ }
+ signers = signers->next;
+ }
+ wc_UnLockMutex(&cm->caLock);
+
+ return ret;
+}
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+/* hash is the SHA digest of name, just use first 32 bits as hash */
+static WC_INLINE word32 TrustedPeerHashSigner(const byte* hash)
+{
+ return MakeWordFromHash(hash) % TP_TABLE_SIZE;
+}
+
+/* does trusted peer already exist on signer list */
+int AlreadyTrustedPeer(WOLFSSL_CERT_MANAGER* cm, byte* hash)
+{
+ TrustedPeerCert* tp;
+ int ret = 0;
+ word32 row = TrustedPeerHashSigner(hash);
+
+ if (wc_LockMutex(&cm->tpLock) != 0)
+ return ret;
+ tp = cm->tpTable[row];
+ while (tp) {
+ byte* subjectHash;
+ #ifndef NO_SKID
+ subjectHash = tp->subjectKeyIdHash;
+ #else
+ subjectHash = tp->subjectNameHash;
+ #endif
+ if (XMEMCMP(hash, subjectHash, SIGNER_DIGEST_SIZE) == 0) {
+ ret = 1;
+ break;
+ }
+ tp = tp->next;
+ }
+ wc_UnLockMutex(&cm->tpLock);
+
+ return ret;
+}
+
+
+/* return Trusted Peer if found, otherwise NULL
+ type is what to match on
+ */
+TrustedPeerCert* GetTrustedPeer(void* vp, byte* hash, int type)
+{
+ WOLFSSL_CERT_MANAGER* cm = (WOLFSSL_CERT_MANAGER*)vp;
+ TrustedPeerCert* ret = NULL;
+ TrustedPeerCert* tp = NULL;
+ word32 row;
+
+ if (cm == NULL || hash == NULL)
+ return NULL;
+
+ row = TrustedPeerHashSigner(hash);
+
+ if (wc_LockMutex(&cm->tpLock) != 0)
+ return ret;
+
+ tp = cm->tpTable[row];
+ while (tp) {
+ byte* subjectHash;
+ switch (type) {
+ #ifndef NO_SKID
+ case WC_MATCH_SKID:
+ subjectHash = tp->subjectKeyIdHash;
+ break;
+ #endif
+ case WC_MATCH_NAME:
+ subjectHash = tp->subjectNameHash;
+ break;
+ default:
+ WOLFSSL_MSG("Unknown search type");
+ wc_UnLockMutex(&cm->tpLock);
+ return NULL;
+ }
+ if (XMEMCMP(hash, subjectHash, SIGNER_DIGEST_SIZE) == 0) {
+ ret = tp;
+ break;
+ }
+ tp = tp->next;
+ }
+ wc_UnLockMutex(&cm->tpLock);
+
+ return ret;
+}
+
+
+int MatchTrustedPeer(TrustedPeerCert* tp, DecodedCert* cert)
+{
+ if (tp == NULL || cert == NULL)
+ return BAD_FUNC_ARG;
+
+ /* subject key id or subject hash has been compared when searching
+ tpTable for the cert from function GetTrustedPeer */
+
+ /* compare signatures */
+ if (tp->sigLen == cert->sigLength) {
+ if (XMEMCMP(tp->sig, cert->signature, cert->sigLength)) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+ else {
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+
+
+/* return CA if found, otherwise NULL */
+Signer* GetCA(void* vp, byte* hash)
+{
+ WOLFSSL_CERT_MANAGER* cm = (WOLFSSL_CERT_MANAGER*)vp;
+ Signer* ret = NULL;
+ Signer* signers;
+ word32 row = HashSigner(hash);
+
+ if (cm == NULL)
+ return NULL;
+
+ if (wc_LockMutex(&cm->caLock) != 0)
+ return ret;
+
+ signers = cm->caTable[row];
+ while (signers) {
+ byte* subjectHash;
+ #ifndef NO_SKID
+ subjectHash = signers->subjectKeyIdHash;
+ #else
+ subjectHash = signers->subjectNameHash;
+ #endif
+ if (XMEMCMP(hash, subjectHash, SIGNER_DIGEST_SIZE) == 0) {
+ ret = signers;
+ break;
+ }
+ signers = signers->next;
+ }
+ wc_UnLockMutex(&cm->caLock);
+
+ return ret;
+}
+
+
+#ifndef NO_SKID
+/* return CA if found, otherwise NULL. Walk through hash table. */
+Signer* GetCAByName(void* vp, byte* hash)
+{
+ WOLFSSL_CERT_MANAGER* cm = (WOLFSSL_CERT_MANAGER*)vp;
+ Signer* ret = NULL;
+ Signer* signers;
+ word32 row;
+
+ if (cm == NULL)
+ return NULL;
+
+ if (wc_LockMutex(&cm->caLock) != 0)
+ return ret;
+
+ for (row = 0; row < CA_TABLE_SIZE && ret == NULL; row++) {
+ signers = cm->caTable[row];
+ while (signers && ret == NULL) {
+ if (XMEMCMP(hash, signers->subjectNameHash,
+ SIGNER_DIGEST_SIZE) == 0) {
+ ret = signers;
+ }
+ signers = signers->next;
+ }
+ }
+ wc_UnLockMutex(&cm->caLock);
+
+ return ret;
+}
+#endif
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+/* add a trusted peer cert to linked list */
+int AddTrustedPeer(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int verify)
+{
+ int ret, row;
+ TrustedPeerCert* peerCert;
+ DecodedCert* cert = NULL;
+ DerBuffer* der = *pDer;
+ byte* subjectHash = NULL;
+
+ WOLFSSL_MSG("Adding a Trusted Peer Cert");
+
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), cm->heap,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+
+ InitDecodedCert(cert, der->buffer, der->length, cm->heap);
+ if ((ret = ParseCert(cert, TRUSTED_PEER_TYPE, verify, cm)) != 0) {
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+ return ret;
+ }
+ WOLFSSL_MSG("\tParsed new trusted peer cert");
+
+ peerCert = (TrustedPeerCert*)XMALLOC(sizeof(TrustedPeerCert), cm->heap,
+ DYNAMIC_TYPE_CERT);
+ if (peerCert == NULL) {
+ FreeDecodedCert(cert);
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+ return MEMORY_E;
+ }
+ XMEMSET(peerCert, 0, sizeof(TrustedPeerCert));
+
+#ifndef NO_SKID
+ if (cert->extAuthKeyIdSet) {
+ subjectHash = cert->extSubjKeyId;
+ }
+ else {
+ subjectHash = cert->subjectHash;
+ }
+#else
+ subjectHash = cert->subjectHash;
+#endif
+
+ #ifndef IGNORE_NAME_CONSTRAINTS
+ if (peerCert->permittedNames)
+ FreeNameSubtrees(peerCert->permittedNames, cm->heap);
+ if (peerCert->excludedNames)
+ FreeNameSubtrees(peerCert->excludedNames, cm->heap);
+ #endif
+
+ if (AlreadyTrustedPeer(cm, subjectHash)) {
+ WOLFSSL_MSG("\tAlready have this CA, not adding again");
+ (void)ret;
+ }
+ else {
+ /* add trusted peer signature */
+ peerCert->sigLen = cert->sigLength;
+ peerCert->sig = XMALLOC(cert->sigLength, cm->heap,
+ DYNAMIC_TYPE_SIGNATURE);
+ if (peerCert->sig == NULL) {
+ FreeDecodedCert(cert);
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+ FreeTrustedPeer(peerCert, cm->heap);
+ return MEMORY_E;
+ }
+ XMEMCPY(peerCert->sig, cert->signature, cert->sigLength);
+
+ /* add trusted peer name */
+ peerCert->nameLen = cert->subjectCNLen;
+ peerCert->name = cert->subjectCN;
+ #ifndef IGNORE_NAME_CONSTRAINTS
+ peerCert->permittedNames = cert->permittedNames;
+ peerCert->excludedNames = cert->excludedNames;
+ #endif
+
+ /* add SKID when available and hash of name */
+ #ifndef NO_SKID
+ XMEMCPY(peerCert->subjectKeyIdHash, cert->extSubjKeyId,
+ SIGNER_DIGEST_SIZE);
+ #endif
+ XMEMCPY(peerCert->subjectNameHash, cert->subjectHash,
+ SIGNER_DIGEST_SIZE);
+ peerCert->next = NULL; /* If Key Usage not set, all uses valid. */
+ cert->subjectCN = 0;
+ #ifndef IGNORE_NAME_CONSTRAINTS
+ cert->permittedNames = NULL;
+ cert->excludedNames = NULL;
+ #endif
+
+ #ifndef NO_SKID
+ if (cert->extAuthKeyIdSet) {
+ row = TrustedPeerHashSigner(peerCert->subjectKeyIdHash);
+ }
+ else {
+ row = TrustedPeerHashSigner(peerCert->subjectNameHash);
+ }
+ #else
+ row = TrustedPeerHashSigner(peerCert->subjectNameHash);
+ #endif
+
+ if (wc_LockMutex(&cm->tpLock) == 0) {
+ peerCert->next = cm->tpTable[row];
+ cm->tpTable[row] = peerCert; /* takes ownership */
+ wc_UnLockMutex(&cm->tpLock);
+ }
+ else {
+ WOLFSSL_MSG("\tTrusted Peer Cert Mutex Lock failed");
+ FreeDecodedCert(cert);
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+ FreeTrustedPeer(peerCert, cm->heap);
+ return BAD_MUTEX_E;
+ }
+ }
+
+ WOLFSSL_MSG("\tFreeing parsed trusted peer cert");
+ FreeDecodedCert(cert);
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+ WOLFSSL_MSG("\tFreeing der trusted peer cert");
+ FreeDer(&der);
+ WOLFSSL_MSG("\t\tOK Freeing der trusted peer cert");
+ WOLFSSL_LEAVE("AddTrustedPeer", ret);
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+
+
+/* owns der, internal now uses too */
+/* type flag ids from user or from chain received during verify
+ don't allow chain ones to be added w/o isCA extension */
+int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify)
+{
+ int ret;
+ Signer* signer = NULL;
+ word32 row;
+ byte* subjectHash;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+ DerBuffer* der = *pDer;
+
+ WOLFSSL_MSG("Adding a CA");
+
+#ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+#endif
+
+ InitDecodedCert(cert, der->buffer, der->length, cm->heap);
+ ret = ParseCert(cert, CA_TYPE, verify, cm);
+ WOLFSSL_MSG("\tParsed new CA");
+
+#ifndef NO_SKID
+ subjectHash = cert->extSubjKeyId;
+#else
+ subjectHash = cert->subjectHash;
+#endif
+
+ /* check CA key size */
+ if (verify) {
+ switch (cert->keyOID) {
+ #ifndef NO_RSA
+ case RSAk:
+ if (cm->minRsaKeySz < 0 ||
+ cert->pubKeySize < (word16)cm->minRsaKeySz) {
+ ret = RSA_KEY_SIZE_E;
+ WOLFSSL_MSG("\tCA RSA key size error");
+ }
+ break;
+ #endif /* !NO_RSA */
+ #ifdef HAVE_ECC
+ case ECDSAk:
+ if (cm->minEccKeySz < 0 ||
+ cert->pubKeySize < (word16)cm->minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("\tCA ECC key size error");
+ }
+ break;
+ #endif /* HAVE_ECC */
+ #ifdef HAVE_ED25519
+ case ED25519k:
+ if (cm->minEccKeySz < 0 ||
+ ED25519_KEY_SIZE < (word16)cm->minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("\tCA ECC key size error");
+ }
+ break;
+ #endif /* HAVE_ED25519 */
+
+ default:
+ WOLFSSL_MSG("\tNo key size check done on CA");
+ break; /* no size check if key type is not in switch */
+ }
+ }
+
+ if (ret == 0 && cert->isCA == 0 && type != WOLFSSL_USER_CA) {
+ WOLFSSL_MSG("\tCan't add as CA if not actually one");
+ ret = NOT_CA_ERROR;
+ }
+#ifndef ALLOW_INVALID_CERTSIGN
+ else if (ret == 0 && cert->isCA == 1 && type != WOLFSSL_USER_CA &&
+ (cert->extKeyUsage & KEYUSE_KEY_CERT_SIGN) == 0) {
+ /* Intermediate CA certs are required to have the keyCertSign
+ * extension set. User loaded root certs are not. */
+ WOLFSSL_MSG("\tDoesn't have key usage certificate signing");
+ ret = NOT_CA_ERROR;
+ }
+#endif
+ else if (ret == 0 && AlreadySigner(cm, subjectHash)) {
+ WOLFSSL_MSG("\tAlready have this CA, not adding again");
+ (void)ret;
+ }
+ else if (ret == 0) {
+ /* take over signer parts */
+ signer = MakeSigner(cm->heap);
+ if (!signer)
+ ret = MEMORY_ERROR;
+ }
+ if (ret == 0 && signer != NULL) {
+ #ifdef WOLFSSL_SIGNER_DER_CERT
+ ret = AllocDer(&signer->derCert, der->length, der->type, NULL);
+ }
+ if (ret == 0 && signer != NULL) {
+ XMEMCPY(signer->derCert->buffer, der->buffer, der->length);
+ #endif
+ signer->keyOID = cert->keyOID;
+ if (cert->pubKeyStored) {
+ signer->publicKey = cert->publicKey;
+ signer->pubKeySize = cert->pubKeySize;
+ }
+ if (cert->subjectCNStored) {
+ signer->nameLen = cert->subjectCNLen;
+ signer->name = cert->subjectCN;
+ }
+ signer->pathLength = cert->pathLength;
+ signer->pathLengthSet = cert->pathLengthSet;
+ #ifndef IGNORE_NAME_CONSTRAINTS
+ signer->permittedNames = cert->permittedNames;
+ signer->excludedNames = cert->excludedNames;
+ #endif
+ #ifndef NO_SKID
+ XMEMCPY(signer->subjectKeyIdHash, cert->extSubjKeyId,
+ SIGNER_DIGEST_SIZE);
+ #endif
+ XMEMCPY(signer->subjectNameHash, cert->subjectHash,
+ SIGNER_DIGEST_SIZE);
+ signer->keyUsage = cert->extKeyUsageSet ? cert->extKeyUsage
+ : 0xFFFF;
+ signer->next = NULL; /* If Key Usage not set, all uses valid. */
+ cert->publicKey = 0; /* in case lock fails don't free here. */
+ cert->subjectCN = 0;
+ #ifndef IGNORE_NAME_CONSTRAINTS
+ cert->permittedNames = NULL;
+ cert->excludedNames = NULL;
+ #endif
+
+ #ifndef NO_SKID
+ row = HashSigner(signer->subjectKeyIdHash);
+ #else
+ row = HashSigner(signer->subjectNameHash);
+ #endif
+
+ if (wc_LockMutex(&cm->caLock) == 0) {
+ signer->next = cm->caTable[row];
+ cm->caTable[row] = signer; /* takes ownership */
+ wc_UnLockMutex(&cm->caLock);
+ if (cm->caCacheCallback)
+ cm->caCacheCallback(der->buffer, (int)der->length, type);
+ }
+ else {
+ WOLFSSL_MSG("\tCA Mutex Lock failed");
+ ret = BAD_MUTEX_E;
+ FreeSigner(signer, cm->heap);
+ }
+ }
+
+ WOLFSSL_MSG("\tFreeing Parsed CA");
+ FreeDecodedCert(cert);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+#endif
+ WOLFSSL_MSG("\tFreeing der CA");
+ FreeDer(pDer);
+ WOLFSSL_MSG("\t\tOK Freeing der CA");
+
+ WOLFSSL_LEAVE("AddCA", ret);
+
+ return ret == 0 ? WOLFSSL_SUCCESS : ret;
+}
+
+#endif /* !NO_CERTS */
+
+
+#ifndef NO_SESSION_CACHE
+
+ /* basic config gives a cache with 33 sessions, adequate for clients and
+ embedded servers
+
+ MEDIUM_SESSION_CACHE allows 1055 sessions, adequate for servers that
+ aren't under heavy load, basically allows 200 new sessions per minute
+
+ BIG_SESSION_CACHE yields 20,027 sessions
+
+ HUGE_SESSION_CACHE yields 65,791 sessions, for servers under heavy load,
+ allows over 13,000 new sessions per minute or over 200 new sessions per
+ second
+
+ SMALL_SESSION_CACHE only stores 6 sessions, good for embedded clients
+ or systems where the default of nearly 3kB is too much RAM, this define
+ uses less than 500 bytes RAM
+
+ default SESSION_CACHE stores 33 sessions (no XXX_SESSION_CACHE defined)
+ */
+ #ifdef HUGE_SESSION_CACHE
+ #define SESSIONS_PER_ROW 11
+ #define SESSION_ROWS 5981
+ #elif defined(BIG_SESSION_CACHE)
+ #define SESSIONS_PER_ROW 7
+ #define SESSION_ROWS 2861
+ #elif defined(MEDIUM_SESSION_CACHE)
+ #define SESSIONS_PER_ROW 5
+ #define SESSION_ROWS 211
+ #elif defined(SMALL_SESSION_CACHE)
+ #define SESSIONS_PER_ROW 2
+ #define SESSION_ROWS 3
+ #else
+ #define SESSIONS_PER_ROW 3
+ #define SESSION_ROWS 11
+ #endif
+
+ typedef struct SessionRow {
+ int nextIdx; /* where to place next one */
+ int totalCount; /* sessions ever on this row */
+ WOLFSSL_SESSION Sessions[SESSIONS_PER_ROW];
+ } SessionRow;
+
+ static SessionRow SessionCache[SESSION_ROWS];
+
+ #if defined(WOLFSSL_SESSION_STATS) && defined(WOLFSSL_PEAK_SESSIONS)
+ static word32 PeakSessions;
+ #endif
+
+ static wolfSSL_Mutex session_mutex; /* SessionCache mutex */
+
+ #ifndef NO_CLIENT_CACHE
+
+ typedef struct ClientSession {
+ word16 serverRow; /* SessionCache Row id */
+ word16 serverIdx; /* SessionCache Idx (column) */
+ } ClientSession;
+
+ typedef struct ClientRow {
+ int nextIdx; /* where to place next one */
+ int totalCount; /* sessions ever on this row */
+ ClientSession Clients[SESSIONS_PER_ROW];
+ } ClientRow;
+
+ static ClientRow ClientCache[SESSION_ROWS]; /* Client Cache */
+ /* uses session mutex */
+ #endif /* NO_CLIENT_CACHE */
+
+#endif /* NO_SESSION_CACHE */
+
+int wolfSSL_Init(void)
+{
+ WOLFSSL_ENTER("wolfSSL_Init");
+
+ if (initRefCount == 0) {
+ /* Initialize crypto for use with TLS connection */
+ if (wolfCrypt_Init() != 0) {
+ WOLFSSL_MSG("Bad wolfCrypt Init");
+ return WC_INIT_E;
+ }
+#ifndef NO_SESSION_CACHE
+ if (wc_InitMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Bad Init Mutex session");
+ return BAD_MUTEX_E;
+ }
+#endif
+ if (wc_InitMutex(&count_mutex) != 0) {
+ WOLFSSL_MSG("Bad Init Mutex count");
+ return BAD_MUTEX_E;
+ }
+ }
+
+ if (wc_LockMutex(&count_mutex) != 0) {
+ WOLFSSL_MSG("Bad Lock Mutex count");
+ return BAD_MUTEX_E;
+ }
+
+ initRefCount++;
+ wc_UnLockMutex(&count_mutex);
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+
+#ifndef NO_CERTS
+
+/* process user cert chain to pass during the handshake */
+static int ProcessUserChain(WOLFSSL_CTX* ctx, const unsigned char* buff,
+ long sz, int format, int type, WOLFSSL* ssl,
+ long* used, EncryptedInfo* info)
+{
+ int ret = 0;
+ void* heap = wolfSSL_CTX_GetHeap(ctx, ssl);
+#ifdef WOLFSSL_TLS13
+ int cnt = 0;
+#endif
+
+ /* we may have a user cert chain, try to consume */
+ if (type == CERT_TYPE && info->consumed < sz) {
+ #ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+ #else
+ byte staticBuffer[FILE_BUFFER_SIZE]; /* tmp chain buffer */
+ #endif
+ byte* chainBuffer = staticBuffer;
+ int dynamicBuffer = 0;
+ word32 bufferSz;
+ long consumed = info->consumed;
+ word32 idx = 0;
+ int gotOne = 0;
+
+ /* Calculate max possible size, including max headers */
+ bufferSz = (word32)(sz - consumed) + (CERT_HEADER_SZ * MAX_CHAIN_DEPTH);
+ if (bufferSz > sizeof(staticBuffer)) {
+ WOLFSSL_MSG("Growing Tmp Chain Buffer");
+ /* will shrink to actual size */
+ chainBuffer = (byte*)XMALLOC(bufferSz, heap, DYNAMIC_TYPE_FILE);
+ if (chainBuffer == NULL) {
+ return MEMORY_E;
+ }
+ dynamicBuffer = 1;
+ }
+
+ WOLFSSL_MSG("Processing Cert Chain");
+ while (consumed < sz) {
+ DerBuffer* part = NULL;
+ word32 remain = (word32)(sz - consumed);
+ info->consumed = 0;
+
+ if (format == WOLFSSL_FILETYPE_PEM) {
+ #ifdef WOLFSSL_PEM_TO_DER
+ ret = PemToDer(buff + consumed, remain, type, &part,
+ heap, info, NULL);
+ #else
+ ret = NOT_COMPILED_IN;
+ #endif
+ }
+ else {
+ int length = remain;
+ if (format == WOLFSSL_FILETYPE_ASN1) {
+ /* get length of der (read sequence) */
+ word32 inOutIdx = 0;
+ if (GetSequence(buff + consumed, &inOutIdx, &length, remain) < 0) {
+ ret = ASN_NO_PEM_HEADER;
+ }
+ length += inOutIdx; /* include leading sequence */
+ }
+ info->consumed = length;
+ if (ret == 0) {
+ ret = AllocDer(&part, length, type, heap);
+ if (ret == 0) {
+ XMEMCPY(part->buffer, buff + consumed, length);
+ }
+ }
+ }
+ if (ret == 0) {
+ gotOne = 1;
+#ifdef WOLFSSL_TLS13
+ cnt++;
+#endif
+ if ((idx + part->length + CERT_HEADER_SZ) > bufferSz) {
+ WOLFSSL_MSG(" Cert Chain bigger than buffer");
+ ret = BUFFER_E;
+ }
+ else {
+ c32to24(part->length, &chainBuffer[idx]);
+ idx += CERT_HEADER_SZ;
+ XMEMCPY(&chainBuffer[idx], part->buffer, part->length);
+ idx += part->length;
+ consumed += info->consumed;
+ if (used)
+ *used += info->consumed;
+ }
+ }
+ FreeDer(&part);
+
+ if (ret == ASN_NO_PEM_HEADER && gotOne) {
+ WOLFSSL_MSG("We got one good cert, so stuff at end ok");
+ break;
+ }
+
+ if (ret < 0) {
+ WOLFSSL_MSG(" Error in Cert in Chain");
+ if (dynamicBuffer)
+ XFREE(chainBuffer, heap, DYNAMIC_TYPE_FILE);
+ return ret;
+ }
+ WOLFSSL_MSG(" Consumed another Cert in Chain");
+ }
+ WOLFSSL_MSG("Finished Processing Cert Chain");
+
+ /* only retain actual size used */
+ ret = 0;
+ if (idx > 0) {
+ if (ssl) {
+ if (ssl->buffers.weOwnCertChain) {
+ FreeDer(&ssl->buffers.certChain);
+ }
+ ret = AllocDer(&ssl->buffers.certChain, idx, type, heap);
+ if (ret == 0) {
+ XMEMCPY(ssl->buffers.certChain->buffer, chainBuffer, idx);
+ ssl->buffers.weOwnCertChain = 1;
+ }
+#ifdef WOLFSSL_TLS13
+ ssl->buffers.certChainCnt = cnt;
+#endif
+ } else if (ctx) {
+ FreeDer(&ctx->certChain);
+ ret = AllocDer(&ctx->certChain, idx, type, heap);
+ if (ret == 0) {
+ XMEMCPY(ctx->certChain->buffer, chainBuffer, idx);
+ }
+#ifdef WOLFSSL_TLS13
+ ctx->certChainCnt = cnt;
+#endif
+ }
+ }
+
+ if (dynamicBuffer)
+ XFREE(chainBuffer, heap, DYNAMIC_TYPE_FILE);
+ }
+
+ return ret;
+}
+/* process the buffer buff, length sz, into ctx of format and type
+ used tracks bytes consumed, userChain specifies a user cert chain
+ to pass during the handshake */
+int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
+ long sz, int format, int type, WOLFSSL* ssl,
+ long* used, int userChain)
+{
+ DerBuffer* der = NULL; /* holds DER or RAW (for NTRU) */
+ int ret = 0;
+ int eccKey = 0;
+ int ed25519Key = 0;
+ int rsaKey = 0;
+ int resetSuites = 0;
+ void* heap = wolfSSL_CTX_GetHeap(ctx, ssl);
+ int devId = wolfSSL_CTX_GetDevId(ctx, ssl);
+#ifdef WOLFSSL_SMALL_STACK
+ EncryptedInfo* info = NULL;
+#else
+ EncryptedInfo info[1];
+#endif
+
+ (void)rsaKey;
+ (void)devId;
+
+ if (used)
+ *used = sz; /* used bytes default to sz, PEM chain may shorten*/
+
+ /* check args */
+ if (format != WOLFSSL_FILETYPE_ASN1 && format != WOLFSSL_FILETYPE_PEM
+ && format != WOLFSSL_FILETYPE_RAW)
+ return WOLFSSL_BAD_FILETYPE;
+
+ if (ctx == NULL && ssl == NULL)
+ return BAD_FUNC_ARG;
+
+#ifdef WOLFSSL_SMALL_STACK
+ info = (EncryptedInfo*)XMALLOC(sizeof(EncryptedInfo), heap,
+ DYNAMIC_TYPE_ENCRYPTEDINFO);
+ if (info == NULL)
+ return MEMORY_E;
+#endif
+
+ XMEMSET(info, 0, sizeof(EncryptedInfo));
+#ifdef WOLFSSL_ENCRYPTED_KEYS
+ if (ctx) {
+ info->passwd_cb = ctx->passwd_cb;
+ info->passwd_userdata = ctx->passwd_userdata;
+ }
+#endif
+
+ if (format == WOLFSSL_FILETYPE_PEM) {
+ #ifdef WOLFSSL_PEM_TO_DER
+ ret = PemToDer(buff, sz, type, &der, heap, info, &eccKey);
+ #else
+ ret = NOT_COMPILED_IN;
+ #endif
+ }
+ else {
+ /* ASN1 (DER) or RAW (NTRU) */
+ int length = (int)sz;
+ if (format == WOLFSSL_FILETYPE_ASN1) {
+ /* get length of der (read sequence) */
+ word32 inOutIdx = 0;
+ if (GetSequence(buff, &inOutIdx, &length, (word32)sz) < 0) {
+ ret = ASN_PARSE_E;
+ }
+ length += inOutIdx; /* include leading sequence */
+ }
+
+ info->consumed = length;
+
+ if (ret == 0) {
+ ret = AllocDer(&der, (word32)length, type, heap);
+ if (ret == 0) {
+ XMEMCPY(der->buffer, buff, length);
+ }
+ }
+ }
+
+ if (used) {
+ *used = info->consumed;
+ }
+
+ /* process user chain */
+ if (ret >= 0) {
+ /* First certificate in chain is loaded into ssl->buffers.certificate.
+ * Remainder are loaded into ssl->buffers.certChain.
+ * Chain should have server cert first, then intermediates, then root.
+ */
+ if (userChain) {
+ ret = ProcessUserChain(ctx, buff, sz, format, type, ssl, used, info);
+ }
+ }
+
+#ifdef WOLFSSL_ENCRYPTED_KEYS
+ /* for WOLFSSL_FILETYPE_PEM, PemToDer manage the decryption if required */
+ if (ret >= 0 && info->set && format != WOLFSSL_FILETYPE_PEM) {
+ /* decrypt */
+ int passwordSz = NAME_SZ;
+#ifdef WOLFSSL_SMALL_STACK
+ char* password = NULL;
+#else
+ char password[NAME_SZ];
+#endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ password = (char*)XMALLOC(passwordSz, heap, DYNAMIC_TYPE_STRING);
+ if (password == NULL)
+ ret = MEMORY_E;
+ else
+ #endif
+ if (info->passwd_cb == NULL) {
+ WOLFSSL_MSG("No password callback set");
+ ret = NO_PASSWORD;
+ }
+ else {
+ ret = info->passwd_cb(password, passwordSz, PEM_PASS_READ,
+ info->passwd_userdata);
+ if (ret >= 0) {
+ passwordSz = ret;
+
+ /* decrypt the key */
+ ret = wc_BufferKeyDecrypt(info, der->buffer, der->length,
+ (byte*)password, passwordSz, WC_MD5);
+
+ ForceZero(password, passwordSz);
+ }
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(password, heap, DYNAMIC_TYPE_STRING);
+ #endif
+ }
+#endif /* WOLFSSL_ENCRYPTED_KEYS */
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, heap, DYNAMIC_TYPE_ENCRYPTEDINFO);
+#endif
+
+ /* check for error */
+ if (ret < 0) {
+ FreeDer(&der);
+ return ret;
+ }
+
+ /* Handle DER owner */
+ if (type == CA_TYPE) {
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Need context for CA load");
+ FreeDer(&der);
+ return BAD_FUNC_ARG;
+ }
+ /* verify CA unless user set to no verify */
+ return AddCA(ctx->cm, &der, WOLFSSL_USER_CA, !ctx->verifyNone);
+ }
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ else if (type == TRUSTED_PEER_TYPE) {
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Need context for trusted peer cert load");
+ FreeDer(&der);
+ return BAD_FUNC_ARG;
+ }
+ /* add trusted peer cert */
+ return AddTrustedPeer(ctx->cm, &der, !ctx->verifyNone);
+ }
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+ else if (type == CERT_TYPE) {
+ if (ssl) {
+ /* Make sure previous is free'd */
+ if (ssl->buffers.weOwnCert) {
+ FreeDer(&ssl->buffers.certificate);
+ #ifdef KEEP_OUR_CERT
+ FreeX509(ssl->ourCert);
+ if (ssl->ourCert) {
+ XFREE(ssl->ourCert, ssl->heap, DYNAMIC_TYPE_X509);
+ ssl->ourCert = NULL;
+ }
+ #endif
+ }
+ ssl->buffers.certificate = der;
+ #ifdef KEEP_OUR_CERT
+ ssl->keepCert = 1; /* hold cert for ssl lifetime */
+ #endif
+ ssl->buffers.weOwnCert = 1;
+ }
+ else if (ctx) {
+ FreeDer(&ctx->certificate); /* Make sure previous is free'd */
+ #ifdef KEEP_OUR_CERT
+ if (ctx->ourCert) {
+ if (ctx->ownOurCert) {
+ FreeX509(ctx->ourCert);
+ XFREE(ctx->ourCert, ctx->heap, DYNAMIC_TYPE_X509);
+ }
+ ctx->ourCert = NULL;
+ }
+ #endif
+ ctx->certificate = der;
+ }
+ }
+ else if (type == PRIVATEKEY_TYPE) {
+ if (ssl) {
+ /* Make sure previous is free'd */
+ if (ssl->buffers.weOwnKey) {
+ FreeDer(&ssl->buffers.key);
+ }
+ ssl->buffers.key = der;
+ ssl->buffers.weOwnKey = 1;
+ }
+ else if (ctx) {
+ FreeDer(&ctx->privateKey);
+ ctx->privateKey = der;
+ }
+ }
+ else {
+ FreeDer(&der);
+ return WOLFSSL_BAD_CERTTYPE;
+ }
+
+ if (type == PRIVATEKEY_TYPE && format != WOLFSSL_FILETYPE_RAW) {
+ #ifndef NO_RSA
+ if (!eccKey && !ed25519Key) {
+ /* make sure RSA key can be used */
+ word32 idx = 0;
+ #ifdef WOLFSSL_SMALL_STACK
+ RsaKey* key = NULL;
+ #else
+ RsaKey key[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ key = (RsaKey*)XMALLOC(sizeof(RsaKey), heap, DYNAMIC_TYPE_RSA);
+ if (key == NULL)
+ return MEMORY_E;
+ #endif
+
+ ret = wc_InitRsaKey_ex(key, heap, devId);
+ if (ret == 0) {
+ if (wc_RsaPrivateKeyDecode(der->buffer, &idx, key, der->length)
+ != 0) {
+ #ifdef HAVE_ECC
+ /* could have DER ECC (or pkcs8 ecc), no easy way to tell */
+ eccKey = 1; /* try it next */
+ #elif defined(HAVE_ED25519)
+ ed25519Key = 1; /* try it next */
+ #else
+ WOLFSSL_MSG("RSA decode failed and ECC not enabled to try");
+ ret = WOLFSSL_BAD_FILE;
+ #endif
+ }
+ else {
+ /* check that the size of the RSA key is enough */
+ int rsaSz = wc_RsaEncryptSize((RsaKey*)key);
+ int minRsaSz;
+
+ minRsaSz = ssl ? ssl->options.minRsaKeySz : ctx->minRsaKeySz;
+ if (rsaSz < minRsaSz) {
+ ret = RSA_KEY_SIZE_E;
+ WOLFSSL_MSG("Private Key size too small");
+ }
+
+ if (ssl) {
+ ssl->buffers.keyType = rsa_sa_algo;
+ ssl->buffers.keySz = rsaSz;
+ }
+ else if(ctx) {
+ ctx->privateKeyType = rsa_sa_algo;
+ ctx->privateKeySz = rsaSz;
+ }
+
+ rsaKey = 1;
+ (void)rsaKey; /* for no ecc builds */
+
+ if (ssl && ssl->options.side == WOLFSSL_SERVER_END) {
+ ssl->options.haveStaticECC = 0;
+ resetSuites = 1;
+ }
+ }
+
+ wc_FreeRsaKey(key);
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(key, heap, DYNAMIC_TYPE_RSA);
+ #endif
+
+ if (ret != 0)
+ return ret;
+ }
+ #endif
+ #ifdef HAVE_ECC
+ if (!rsaKey && !ed25519Key) {
+ /* make sure ECC key can be used */
+ word32 idx = 0;
+ #ifdef WOLFSSL_SMALL_STACK
+ ecc_key* key = NULL;
+ #else
+ ecc_key key[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ key = (ecc_key*)XMALLOC(sizeof(ecc_key), heap, DYNAMIC_TYPE_ECC);
+ if (key == NULL)
+ return MEMORY_E;
+ #endif
+
+ if (wc_ecc_init_ex(key, heap, devId) == 0) {
+ if (wc_EccPrivateKeyDecode(der->buffer, &idx, key,
+ der->length) == 0) {
+ int keySz = wc_ecc_size(key);
+ int minKeySz;
+
+ /* check for minimum ECC key size and then free */
+ minKeySz = ssl ? ssl->options.minEccKeySz : ctx->minEccKeySz;
+ if (keySz < minKeySz) {
+ wc_ecc_free(key);
+ WOLFSSL_MSG("ECC private key too small");
+ return ECC_KEY_SIZE_E;
+ }
+
+ eccKey = 1;
+ if (ssl) {
+ ssl->options.haveStaticECC = 1;
+ ssl->buffers.keyType = ecc_dsa_sa_algo;
+ ssl->buffers.keySz = keySz;
+ }
+ else if (ctx) {
+ ctx->haveStaticECC = 1;
+ ctx->privateKeyType = ecc_dsa_sa_algo;
+ ctx->privateKeySz = keySz;
+ }
+
+ if (ssl && ssl->options.side == WOLFSSL_SERVER_END) {
+ resetSuites = 1;
+ }
+ }
+ else
+ eccKey = 0;
+
+ wc_ecc_free(key);
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(key, heap, DYNAMIC_TYPE_ECC);
+ #endif
+ }
+ #endif /* HAVE_ECC */
+ #ifdef HAVE_ED25519
+ if (!rsaKey && !eccKey) {
+ /* make sure Ed25519 key can be used */
+ word32 idx = 0;
+ #ifdef WOLFSSL_SMALL_STACK
+ ed25519_key* key = NULL;
+ #else
+ ed25519_key key[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ key = (ed25519_key*)XMALLOC(sizeof(ed25519_key), heap,
+ DYNAMIC_TYPE_ED25519);
+ if (key == NULL)
+ return MEMORY_E;
+ #endif
+
+ ret = wc_ed25519_init(key);
+ if (ret == 0) {
+ if (wc_Ed25519PrivateKeyDecode(der->buffer, &idx, key,
+ der->length) != 0) {
+ ret = WOLFSSL_BAD_FILE;
+ }
+
+ if (ret == 0) {
+ /* check for minimum key size and then free */
+ int minKeySz = ssl ? ssl->options.minEccKeySz :
+ ctx->minEccKeySz;
+ if (ED25519_KEY_SIZE < minKeySz) {
+ WOLFSSL_MSG("ED25519 private key too small");
+ ret = ECC_KEY_SIZE_E;
+ }
+ }
+ if (ret == 0) {
+ if (ssl) {
+ ssl->buffers.keyType = ed25519_sa_algo;
+ ssl->buffers.keySz = ED25519_KEY_SIZE;
+ }
+ else if (ctx) {
+ ctx->privateKeyType = ed25519_sa_algo;
+ ctx->privateKeySz = ED25519_KEY_SIZE;
+ }
+
+ ed25519Key = 1;
+ if (ssl && ssl->options.side == WOLFSSL_SERVER_END) {
+ resetSuites = 1;
+ }
+ }
+
+ wc_ed25519_free(key);
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(key, heap, DYNAMIC_TYPE_ED25519);
+ #endif
+ if (ret != 0)
+ return ret;
+ }
+ #else
+ if (!rsaKey && !eccKey && !ed25519Key)
+ return WOLFSSL_BAD_FILE;
+ #endif
+ (void)ed25519Key;
+ (void)devId;
+ }
+ else if (type == CERT_TYPE) {
+ #ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+ #else
+ DecodedCert cert[1];
+ #endif
+ #ifdef HAVE_PK_CALLBACKS
+ int keyType = 0, keySz = 0;
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), heap,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+ #endif
+
+ WOLFSSL_MSG("Checking cert signature type");
+ InitDecodedCert(cert, der->buffer, der->length, heap);
+
+ if (DecodeToKey(cert, 0) < 0) {
+ WOLFSSL_MSG("Decode to key failed");
+ FreeDecodedCert(cert);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, heap, DYNAMIC_TYPE_DCERT);
+ #endif
+ return WOLFSSL_BAD_FILE;
+ }
+
+ if (ssl && ssl->options.side == WOLFSSL_SERVER_END) {
+ resetSuites = 1;
+ }
+ if (ssl && ssl->ctx->haveECDSAsig) {
+ WOLFSSL_MSG("SSL layer setting cert, CTX had ECDSA, turning off");
+ ssl->options.haveECDSAsig = 0; /* may turn back on next */
+ }
+
+ switch (cert->signatureOID) {
+ case CTC_SHAwECDSA:
+ case CTC_SHA256wECDSA:
+ case CTC_SHA384wECDSA:
+ case CTC_SHA512wECDSA:
+ WOLFSSL_MSG("ECDSA cert signature");
+ if (ssl)
+ ssl->options.haveECDSAsig = 1;
+ else if (ctx)
+ ctx->haveECDSAsig = 1;
+ break;
+ case CTC_ED25519:
+ WOLFSSL_MSG("ED25519 cert signature");
+ if (ssl)
+ ssl->options.haveECDSAsig = 1;
+ else if (ctx)
+ ctx->haveECDSAsig = 1;
+ break;
+ default:
+ WOLFSSL_MSG("Not ECDSA cert signature");
+ break;
+ }
+
+ #if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ if (ssl) {
+ ssl->pkCurveOID = cert->pkCurveOID;
+ #ifndef WC_STRICT_SIG
+ if (cert->keyOID == ECDSAk) {
+ ssl->options.haveECC = 1;
+ }
+ #ifdef HAVE_ED25519
+ else if (cert->keyOID == ED25519k) {
+ ssl->options.haveECC = 1;
+ }
+ #endif
+ #else
+ ssl->options.haveECC = ssl->options.haveECDSAsig;
+ #endif
+ }
+ else if (ctx) {
+ ctx->pkCurveOID = cert->pkCurveOID;
+ #ifndef WC_STRICT_SIG
+ if (cert->keyOID == ECDSAk) {
+ ctx->haveECC = 1;
+ }
+ #ifdef HAVE_ED25519
+ else if (cert->keyOID == ED25519k) {
+ ctx->haveECC = 1;
+ }
+ #endif
+ #else
+ ctx->haveECC = ctx->haveECDSAsig;
+ #endif
+ }
+ #endif
+
+ /* check key size of cert unless specified not to */
+ switch (cert->keyOID) {
+ #ifndef NO_RSA
+ case RSAk:
+ if (ssl && !ssl->options.verifyNone) {
+ if (ssl->options.minRsaKeySz < 0 ||
+ cert->pubKeySize < (word16)ssl->options.minRsaKeySz) {
+ ret = RSA_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate RSA key size too small");
+ }
+ }
+ else if (ctx && !ctx->verifyNone) {
+ if (ctx->minRsaKeySz < 0 ||
+ cert->pubKeySize < (word16)ctx->minRsaKeySz) {
+ ret = RSA_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate RSA key size too small");
+ }
+ }
+ #ifdef HAVE_PK_CALLBACKS
+ keyType = rsa_sa_algo;
+ /* pubKeySize is the encoded public key */
+ /* mask lsb 5-bits to round by 16 to get actual key size */
+ keySz = cert->pubKeySize & ~0x1FL;
+ #endif
+ break;
+ #endif /* !NO_RSA */
+ #ifdef HAVE_ECC
+ case ECDSAk:
+ if (ssl && !ssl->options.verifyNone) {
+ if (ssl->options.minEccKeySz < 0 ||
+ cert->pubKeySize < (word16)ssl->options.minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate ECC key size error");
+ }
+ }
+ else if (ctx && !ctx->verifyNone) {
+ if (ctx->minEccKeySz < 0 ||
+ cert->pubKeySize < (word16)ctx->minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate ECC key size error");
+ }
+ }
+ #ifdef HAVE_PK_CALLBACKS
+ keyType = ecc_dsa_sa_algo;
+ /* pubKeySize is encByte + x + y */
+ keySz = (cert->pubKeySize - 1) / 2;
+ #endif
+ break;
+ #endif /* HAVE_ECC */
+ #ifdef HAVE_ED25519
+ case ED25519k:
+ if (ssl && !ssl->options.verifyNone) {
+ if (ssl->options.minEccKeySz < 0 ||
+ ED25519_KEY_SIZE < (word16)ssl->options.minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate Ed key size error");
+ }
+ }
+ else if (ctx && !ctx->verifyNone) {
+ if (ctx->minEccKeySz < 0 ||
+ ED25519_KEY_SIZE < (word16)ctx->minEccKeySz) {
+ ret = ECC_KEY_SIZE_E;
+ WOLFSSL_MSG("Certificate ECC key size error");
+ }
+ }
+ #ifdef HAVE_PK_CALLBACKS
+ keyType = ed25519_sa_algo;
+ keySz = ED25519_KEY_SIZE;
+ #endif
+ break;
+ #endif /* HAVE_ED25519 */
+
+ default:
+ WOLFSSL_MSG("No key size check done on certificate");
+ break; /* do no check if not a case for the key */
+ }
+
+ #ifdef HAVE_PK_CALLBACKS
+ if (ssl && ssl->buffers.keyType == 0) {
+ ssl->buffers.keyType = keyType;
+ ssl->buffers.keySz = keySz;
+ }
+ else if (ctx && ctx->privateKeyType == 0) {
+ ctx->privateKeyType = keyType;
+ ctx->privateKeySz = keySz;
+ }
+ #endif
+
+ FreeDecodedCert(cert);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, heap, DYNAMIC_TYPE_DCERT);
+ #endif
+
+ if (ret != 0) {
+ return ret;
+ }
+ }
+
+ if (ssl && resetSuites) {
+ word16 havePSK = 0;
+ word16 haveRSA = 0;
+ int keySz = 0;
+
+ #ifndef NO_PSK
+ if (ssl->options.havePSK) {
+ havePSK = 1;
+ }
+ #endif
+ #ifndef NO_RSA
+ haveRSA = 1;
+ #endif
+ #ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+ #endif
+
+ /* let's reset suites */
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA,
+ havePSK, ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* CA PEM file for verification, may have multiple/chain certs to process */
+static int ProcessChainBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
+ long sz, int format, int type, WOLFSSL* ssl)
+{
+ long used = 0;
+ int ret = 0;
+ int gotOne = 0;
+
+ WOLFSSL_MSG("Processing CA PEM file");
+ while (used < sz) {
+ long consumed = 0;
+
+ ret = ProcessBuffer(ctx, buff + used, sz - used, format, type, ssl,
+ &consumed, 0);
+
+#ifdef WOLFSSL_WPAS
+#ifdef HAVE_CRL
+ if (ret < 0) {
+ DerBuffer* der = NULL;
+ EncryptedInfo info;
+
+ WOLFSSL_MSG("Trying a CRL");
+ if (PemToDer(buff + used, sz - used, CRL_TYPE, &der, NULL, &info,
+ NULL) == 0) {
+ WOLFSSL_MSG(" Proccessed a CRL");
+ wolfSSL_CertManagerLoadCRLBuffer(ctx->cm, der->buffer,
+ der->length, WOLFSSL_FILETYPE_ASN1);
+ FreeDer(&der);
+ used += info.consumed;
+ continue;
+ }
+ }
+#endif
+#endif
+ if (ret < 0)
+ {
+ if(consumed > 0) { /* Made progress in file */
+ WOLFSSL_ERROR(ret);
+ WOLFSSL_MSG("CA Parse failed, with progress in file.");
+ WOLFSSL_MSG("Search for other certs in file");
+ } else {
+ WOLFSSL_MSG("CA Parse failed, no progress in file.");
+ WOLFSSL_MSG("Do not continue search for other certs in file");
+ break;
+ }
+ } else {
+ WOLFSSL_MSG(" Processed a CA");
+ gotOne = 1;
+ }
+ used += consumed;
+ }
+
+ if(gotOne)
+ {
+ WOLFSSL_MSG("Processed at least one valid CA. Other stuff OK");
+ return WOLFSSL_SUCCESS;
+ }
+ return ret;
+}
+
+
+static WC_INLINE WOLFSSL_METHOD* cm_pick_method(void)
+{
+ #ifndef NO_WOLFSSL_CLIENT
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ return wolfSSLv3_client_method();
+ #elif !defined(WOLFSSL_NO_TLS12)
+ return wolfTLSv1_2_client_method();
+ #elif defined(WOLFSSL_TLS13)
+ return wolfTLSv1_3_client_method();
+ #endif
+ #elif !defined(NO_WOLFSSL_SERVER)
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ return wolfSSLv3_server_method();
+ #elif !defined(WOLFSSL_NO_TLS12)
+ return wolfTLSv1_2_server_method();
+ #elif defined(WOLFSSL_TLS13)
+ return wolfTLSv1_3_server_method();
+ #endif
+ #else
+ return NULL;
+ #endif
+}
+
+
+/* like load verify locations, 1 for success, < 0 for error */
+int wolfSSL_CertManagerLoadCABuffer(WOLFSSL_CERT_MANAGER* cm,
+ const unsigned char* in, long sz, int format)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ WOLFSSL_CTX* tmp;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerLoadCABuffer");
+
+ if (cm == NULL) {
+ WOLFSSL_MSG("No CertManager error");
+ return ret;
+ }
+ tmp = wolfSSL_CTX_new(cm_pick_method());
+
+ if (tmp == NULL) {
+ WOLFSSL_MSG("CTX new failed");
+ return ret;
+ }
+
+ /* for tmp use */
+ wolfSSL_CertManagerFree(tmp->cm);
+ tmp->cm = cm;
+
+ ret = wolfSSL_CTX_load_verify_buffer(tmp, in, sz, format);
+
+ /* don't loose our good one */
+ tmp->cm = NULL;
+ wolfSSL_CTX_free(tmp);
+
+ return ret;
+}
+
+#ifdef HAVE_CRL
+
+int wolfSSL_CertManagerLoadCRLBuffer(WOLFSSL_CERT_MANAGER* cm,
+ const unsigned char* buff, long sz, int type)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerLoadCRLBuffer");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (cm->crl == NULL) {
+ if (wolfSSL_CertManagerEnableCRL(cm, 0) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Enable CRL failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ return BufferLoadCRL(cm->crl, buff, sz, type, 0);
+}
+
+
+int wolfSSL_CTX_LoadCRLBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
+ long sz, int type)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_LoadCRLBuffer");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_CertManagerLoadCRLBuffer(ctx->cm, buff, sz, type);
+}
+
+
+int wolfSSL_LoadCRLBuffer(WOLFSSL* ssl, const unsigned char* buff,
+ long sz, int type)
+{
+ WOLFSSL_ENTER("wolfSSL_LoadCRLBuffer");
+
+ if (ssl == NULL || ssl->ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_CertManagerLoadCRLBuffer(ssl->ctx->cm, buff, sz, type);
+}
+
+
+#endif /* HAVE_CRL */
+
+/* turn on CRL if off and compiled in, set options */
+int wolfSSL_CertManagerEnableCRL(WOLFSSL_CERT_MANAGER* cm, int options)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ (void)options;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerEnableCRL");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ #ifdef HAVE_CRL
+ if (cm->crl == NULL) {
+ cm->crl = (WOLFSSL_CRL*)XMALLOC(sizeof(WOLFSSL_CRL), cm->heap,
+ DYNAMIC_TYPE_CRL);
+ if (cm->crl == NULL)
+ return MEMORY_E;
+
+ if (InitCRL(cm->crl, cm) != 0) {
+ WOLFSSL_MSG("Init CRL failed");
+ FreeCRL(cm->crl, 1);
+ cm->crl = NULL;
+ return WOLFSSL_FAILURE;
+ }
+
+ #ifdef HAVE_CRL_IO
+ cm->crl->crlIOCb = EmbedCrlLookup;
+ #endif
+ }
+
+ cm->crlEnabled = 1;
+ if (options & WOLFSSL_CRL_CHECKALL)
+ cm->crlCheckAll = 1;
+ #else
+ ret = NOT_COMPILED_IN;
+ #endif
+
+ return ret;
+}
+
+
+int wolfSSL_CertManagerDisableCRL(WOLFSSL_CERT_MANAGER* cm)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerDisableCRL");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ cm->crlEnabled = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+/* Verify the certificate, WOLFSSL_SUCCESS for ok, < 0 for error */
+int wolfSSL_CertManagerVerifyBuffer(WOLFSSL_CERT_MANAGER* cm, const byte* buff,
+ long sz, int format)
+{
+ int ret = 0;
+ DerBuffer* der = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerVerifyBuffer");
+
+#ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), cm->heap,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+#endif
+
+ if (format == WOLFSSL_FILETYPE_PEM) {
+#ifdef WOLFSSL_PEM_TO_DER
+ ret = PemToDer(buff, sz, CERT_TYPE, &der, cm->heap, NULL, NULL);
+ if (ret != 0) {
+ FreeDer(&der);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+ #endif
+ return ret;
+ }
+ InitDecodedCert(cert, der->buffer, der->length, cm->heap);
+#else
+ ret = NOT_COMPILED_IN;
+#endif
+ }
+ else {
+ InitDecodedCert(cert, (byte*)buff, (word32)sz, cm->heap);
+ }
+
+ if (ret == 0)
+ ret = ParseCertRelative(cert, CERT_TYPE, 1, cm);
+
+#ifdef HAVE_CRL
+ if (ret == 0 && cm->crlEnabled)
+ ret = CheckCertCRL(cm->crl, cert);
+#endif
+
+ FreeDecodedCert(cert);
+ FreeDer(&der);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, cm->heap, DYNAMIC_TYPE_DCERT);
+#endif
+
+ return ret == 0 ? WOLFSSL_SUCCESS : ret;
+}
+
+
+/* turn on OCSP if off and compiled in, set options */
+int wolfSSL_CertManagerEnableOCSP(WOLFSSL_CERT_MANAGER* cm, int options)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ (void)options;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerEnableOCSP");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ #ifdef HAVE_OCSP
+ if (cm->ocsp == NULL) {
+ cm->ocsp = (WOLFSSL_OCSP*)XMALLOC(sizeof(WOLFSSL_OCSP), cm->heap,
+ DYNAMIC_TYPE_OCSP);
+ if (cm->ocsp == NULL)
+ return MEMORY_E;
+
+ if (InitOCSP(cm->ocsp, cm) != 0) {
+ WOLFSSL_MSG("Init OCSP failed");
+ FreeOCSP(cm->ocsp, 1);
+ cm->ocsp = NULL;
+ return WOLFSSL_FAILURE;
+ }
+ }
+ cm->ocspEnabled = 1;
+ if (options & WOLFSSL_OCSP_URL_OVERRIDE)
+ cm->ocspUseOverrideURL = 1;
+ if (options & WOLFSSL_OCSP_NO_NONCE)
+ cm->ocspSendNonce = 0;
+ else
+ cm->ocspSendNonce = 1;
+ if (options & WOLFSSL_OCSP_CHECKALL)
+ cm->ocspCheckAll = 1;
+ #ifndef WOLFSSL_USER_IO
+ cm->ocspIOCb = EmbedOcspLookup;
+ cm->ocspRespFreeCb = EmbedOcspRespFree;
+ cm->ocspIOCtx = cm->heap;
+ #endif /* WOLFSSL_USER_IO */
+ #else
+ ret = NOT_COMPILED_IN;
+ #endif
+
+ return ret;
+}
+
+
+int wolfSSL_CertManagerDisableOCSP(WOLFSSL_CERT_MANAGER* cm)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerDisableOCSP");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ cm->ocspEnabled = 0;
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* turn on OCSP Stapling if off and compiled in, set options */
+int wolfSSL_CertManagerEnableOCSPStapling(WOLFSSL_CERT_MANAGER* cm)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerEnableOCSPStapling");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ if (cm->ocsp_stapling == NULL) {
+ cm->ocsp_stapling = (WOLFSSL_OCSP*)XMALLOC(sizeof(WOLFSSL_OCSP),
+ cm->heap, DYNAMIC_TYPE_OCSP);
+ if (cm->ocsp_stapling == NULL)
+ return MEMORY_E;
+
+ if (InitOCSP(cm->ocsp_stapling, cm) != 0) {
+ WOLFSSL_MSG("Init OCSP failed");
+ FreeOCSP(cm->ocsp_stapling, 1);
+ cm->ocsp_stapling = NULL;
+ return WOLFSSL_FAILURE;
+ }
+ }
+ cm->ocspStaplingEnabled = 1;
+
+ #ifndef WOLFSSL_USER_IO
+ cm->ocspIOCb = EmbedOcspLookup;
+ cm->ocspRespFreeCb = EmbedOcspRespFree;
+ cm->ocspIOCtx = cm->heap;
+ #endif /* WOLFSSL_USER_IO */
+#else
+ ret = NOT_COMPILED_IN;
+#endif
+
+ return ret;
+}
+
+int wolfSSL_CertManagerDisableOCSPStapling(WOLFSSL_CERT_MANAGER* cm)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerDisableOCSPStapling");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ cm->ocspStaplingEnabled = 0;
+#else
+ ret = NOT_COMPILED_IN;
+#endif
+ return ret;
+}
+#if defined(SESSION_CERTS)
+WOLF_STACK_OF(WOLFSSL_X509)* wolfSSL_get_peer_cert_chain(const WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_peer_cert_chain");
+ if ((ssl == NULL) || (ssl->session.chain.count == 0))
+ return NULL;
+ else
+ return (WOLF_STACK_OF(WOLFSSL_X509)* )&ssl->session.chain;
+}
+#endif
+#ifdef HAVE_OCSP
+
+/* check CRL if enabled, WOLFSSL_SUCCESS */
+int wolfSSL_CertManagerCheckOCSP(WOLFSSL_CERT_MANAGER* cm, byte* der, int sz)
+{
+ int ret;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerCheckOCSP");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (cm->ocspEnabled == 0)
+ return WOLFSSL_SUCCESS;
+
+#ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+#endif
+
+ InitDecodedCert(cert, der, sz, NULL);
+
+ if ((ret = ParseCertRelative(cert, CERT_TYPE, VERIFY_OCSP, cm)) != 0) {
+ WOLFSSL_MSG("ParseCert failed");
+ }
+ else if ((ret = CheckCertOCSP(cm->ocsp, cert, NULL)) != 0) {
+ WOLFSSL_MSG("CheckCertOCSP failed");
+ }
+
+ FreeDecodedCert(cert);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+#endif
+
+ return ret == 0 ? WOLFSSL_SUCCESS : ret;
+}
+
+
+int wolfSSL_CertManagerSetOCSPOverrideURL(WOLFSSL_CERT_MANAGER* cm,
+ const char* url)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerSetOCSPOverrideURL");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ XFREE(cm->ocspOverrideURL, cm->heap, DYNAMIC_TYPE_URL);
+ if (url != NULL) {
+ int urlSz = (int)XSTRLEN(url) + 1;
+ cm->ocspOverrideURL = (char*)XMALLOC(urlSz, cm->heap, DYNAMIC_TYPE_URL);
+ if (cm->ocspOverrideURL != NULL) {
+ XMEMCPY(cm->ocspOverrideURL, url, urlSz);
+ }
+ else
+ return MEMORY_E;
+ }
+ else
+ cm->ocspOverrideURL = NULL;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_CertManagerSetOCSP_Cb(WOLFSSL_CERT_MANAGER* cm,
+ CbOCSPIO ioCb, CbOCSPRespFree respFreeCb, void* ioCbCtx)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerSetOCSP_Cb");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ cm->ocspIOCb = ioCb;
+ cm->ocspRespFreeCb = respFreeCb;
+ cm->ocspIOCtx = ioCbCtx;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_EnableOCSP(WOLFSSL* ssl, int options)
+{
+ WOLFSSL_ENTER("wolfSSL_EnableOCSP");
+ if (ssl)
+ return wolfSSL_CertManagerEnableOCSP(ssl->ctx->cm, options);
+ else
+ return BAD_FUNC_ARG;
+}
+
+int wolfSSL_DisableOCSP(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_DisableOCSP");
+ if (ssl)
+ return wolfSSL_CertManagerDisableOCSP(ssl->ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_EnableOCSPStapling(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_EnableOCSPStapling");
+ if (ssl)
+ return wolfSSL_CertManagerEnableOCSPStapling(ssl->ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+int wolfSSL_DisableOCSPStapling(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_DisableOCSPStapling");
+ if (ssl)
+ return wolfSSL_CertManagerDisableOCSPStapling(ssl->ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+int wolfSSL_SetOCSP_OverrideURL(WOLFSSL* ssl, const char* url)
+{
+ WOLFSSL_ENTER("wolfSSL_SetOCSP_OverrideURL");
+ if (ssl)
+ return wolfSSL_CertManagerSetOCSPOverrideURL(ssl->ctx->cm, url);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_SetOCSP_Cb(WOLFSSL* ssl,
+ CbOCSPIO ioCb, CbOCSPRespFree respFreeCb, void* ioCbCtx)
+{
+ WOLFSSL_ENTER("wolfSSL_SetOCSP_Cb");
+ if (ssl) {
+ ssl->ocspIOCtx = ioCbCtx; /* use SSL specific ioCbCtx */
+ return wolfSSL_CertManagerSetOCSP_Cb(ssl->ctx->cm,
+ ioCb, respFreeCb, NULL);
+ }
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_EnableOCSP(WOLFSSL_CTX* ctx, int options)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_EnableOCSP");
+ if (ctx)
+ return wolfSSL_CertManagerEnableOCSP(ctx->cm, options);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_DisableOCSP(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_DisableOCSP");
+ if (ctx)
+ return wolfSSL_CertManagerDisableOCSP(ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_SetOCSP_OverrideURL(WOLFSSL_CTX* ctx, const char* url)
+{
+ WOLFSSL_ENTER("wolfSSL_SetOCSP_OverrideURL");
+ if (ctx)
+ return wolfSSL_CertManagerSetOCSPOverrideURL(ctx->cm, url);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_SetOCSP_Cb(WOLFSSL_CTX* ctx, CbOCSPIO ioCb,
+ CbOCSPRespFree respFreeCb, void* ioCbCtx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_SetOCSP_Cb");
+ if (ctx)
+ return wolfSSL_CertManagerSetOCSP_Cb(ctx->cm, ioCb,
+ respFreeCb, ioCbCtx);
+ else
+ return BAD_FUNC_ARG;
+}
+
+#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+int wolfSSL_CTX_EnableOCSPStapling(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_EnableOCSPStapling");
+ if (ctx)
+ return wolfSSL_CertManagerEnableOCSPStapling(ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+int wolfSSL_CTX_DisableOCSPStapling(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_DisableOCSPStapling");
+ if (ctx)
+ return wolfSSL_CertManagerDisableOCSPStapling(ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+#endif /* HAVE_CERTIFICATE_STATUS_REQUEST || HAVE_CERTIFICATE_STATUS_REQUEST_V2 */
+
+#endif /* HAVE_OCSP */
+
+
+#ifndef NO_FILESYSTEM
+
+/* process a file with name fname into ctx of format and type
+ userChain specifies a user certificate chain to pass during handshake */
+int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format, int type,
+ WOLFSSL* ssl, int userChain, WOLFSSL_CRL* crl)
+{
+#ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+#else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+#endif
+ byte* myBuffer = staticBuffer;
+ int dynamic = 0;
+ int ret;
+ long sz = 0;
+ XFILE file;
+ void* heapHint = wolfSSL_CTX_GetHeap(ctx, ssl);
+
+ (void)crl;
+ (void)heapHint;
+
+ if (fname == NULL) return WOLFSSL_BAD_FILE;
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE) return WOLFSSL_BAD_FILE;
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz > (long)sizeof(staticBuffer)) {
+ WOLFSSL_MSG("Getting dynamic buffer");
+ myBuffer = (byte*)XMALLOC(sz, heapHint, DYNAMIC_TYPE_FILE);
+ if (myBuffer == NULL) {
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+ dynamic = 1;
+ }
+ else if (sz <= 0) {
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+
+ if ( (ret = (int)XFREAD(myBuffer, 1, sz, file)) != sz)
+ ret = WOLFSSL_BAD_FILE;
+ else {
+ if ((type == CA_TYPE || type == TRUSTED_PEER_TYPE)
+ && format == WOLFSSL_FILETYPE_PEM)
+ ret = ProcessChainBuffer(ctx, myBuffer, sz, format, type, ssl);
+#ifdef HAVE_CRL
+ else if (type == CRL_TYPE)
+ ret = BufferLoadCRL(crl, myBuffer, sz, format, 0);
+#endif
+ else
+ ret = ProcessBuffer(ctx, myBuffer, sz, format, type, ssl, NULL,
+ userChain);
+ }
+
+ XFCLOSE(file);
+ if (dynamic)
+ XFREE(myBuffer, heapHint, DYNAMIC_TYPE_FILE);
+
+ return ret;
+}
+
+
+/* loads file then loads each file in path, no c_rehash */
+int wolfSSL_CTX_load_verify_locations(WOLFSSL_CTX* ctx, const char* file,
+ const char* path)
+{
+ int ret = WOLFSSL_SUCCESS;
+#ifndef NO_WOLFSSL_DIR
+ int fileRet;
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_CTX_load_verify_locations");
+
+ if (ctx == NULL || (file == NULL && path == NULL) )
+ return WOLFSSL_FAILURE;
+
+ if (file)
+ ret = ProcessFile(ctx, file, WOLFSSL_FILETYPE_PEM, CA_TYPE, NULL, 0, NULL);
+
+ if (ret == WOLFSSL_SUCCESS && path) {
+#ifndef NO_WOLFSSL_DIR
+ char* name = NULL;
+ #ifdef WOLFSSL_SMALL_STACK
+ ReadDirCtx* readCtx = NULL;
+ readCtx = (ReadDirCtx*)XMALLOC(sizeof(ReadDirCtx), ctx->heap,
+ DYNAMIC_TYPE_DIRCTX);
+ if (readCtx == NULL)
+ return MEMORY_E;
+ #else
+ ReadDirCtx readCtx[1];
+ #endif
+
+ /* try to load each regular file in path */
+ fileRet = wc_ReadDirFirst(readCtx, path, &name);
+ while (fileRet == 0 && name) {
+ ret = ProcessFile(ctx, name, WOLFSSL_FILETYPE_PEM, CA_TYPE,
+ NULL, 0, NULL);
+ if (ret != WOLFSSL_SUCCESS)
+ break;
+ fileRet = wc_ReadDirNext(readCtx, path, &name);
+ }
+ wc_ReadDirClose(readCtx);
+
+ /* pass directory read failure to response code */
+ if (ret == WOLFSSL_SUCCESS && fileRet != -1) {
+ ret = fileRet;
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(readCtx, ctx->heap, DYNAMIC_TYPE_DIRCTX);
+ #endif
+#else
+ ret = NOT_COMPILED_IN;
+#endif
+ }
+
+ return ret;
+}
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+/* Used to specify a peer cert to match when connecting
+ ctx : the ctx structure to load in peer cert
+ file: the string name of cert file
+ type: type of format such as PEM/DER
+ */
+int wolfSSL_CTX_trust_peer_cert(WOLFSSL_CTX* ctx, const char* file, int type)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_trust_peer_cert");
+
+ if (ctx == NULL || file == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return ProcessFile(ctx, file, type, TRUSTED_PEER_TYPE, NULL, 0, NULL);
+}
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+
+
+/* Verify the certificate, WOLFSSL_SUCCESS for ok, < 0 for error */
+int wolfSSL_CertManagerVerify(WOLFSSL_CERT_MANAGER* cm, const char* fname,
+ int format)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+#ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+#else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+#endif
+ byte* myBuffer = staticBuffer;
+ int dynamic = 0;
+ long sz = 0;
+ XFILE file = XFOPEN(fname, "rb");
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerVerify");
+
+ if (file == XBADFILE) return WOLFSSL_BAD_FILE;
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz > MAX_WOLFSSL_FILE_SIZE || sz <= 0) {
+ WOLFSSL_MSG("CertManagerVerify file bad size");
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+
+ if (sz > (long)sizeof(staticBuffer)) {
+ WOLFSSL_MSG("Getting dynamic buffer");
+ myBuffer = (byte*) XMALLOC(sz, cm->heap, DYNAMIC_TYPE_FILE);
+ if (myBuffer == NULL) {
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+ dynamic = 1;
+ }
+
+ if ( (ret = (int)XFREAD(myBuffer, 1, sz, file)) != sz)
+ ret = WOLFSSL_BAD_FILE;
+ else
+ ret = wolfSSL_CertManagerVerifyBuffer(cm, myBuffer, sz, format);
+
+ XFCLOSE(file);
+ if (dynamic)
+ XFREE(myBuffer, cm->heap, DYNAMIC_TYPE_FILE);
+
+ return ret;
+}
+
+
+/* like load verify locations, 1 for success, < 0 for error */
+int wolfSSL_CertManagerLoadCA(WOLFSSL_CERT_MANAGER* cm, const char* file,
+ const char* path)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ WOLFSSL_CTX* tmp;
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerLoadCA");
+
+ if (cm == NULL) {
+ WOLFSSL_MSG("No CertManager error");
+ return ret;
+ }
+ tmp = wolfSSL_CTX_new(cm_pick_method());
+
+ if (tmp == NULL) {
+ WOLFSSL_MSG("CTX new failed");
+ return ret;
+ }
+
+ /* for tmp use */
+ wolfSSL_CertManagerFree(tmp->cm);
+ tmp->cm = cm;
+
+ ret = wolfSSL_CTX_load_verify_locations(tmp, file, path);
+
+ /* don't loose our good one */
+ tmp->cm = NULL;
+ wolfSSL_CTX_free(tmp);
+
+ return ret;
+}
+
+
+/* Check private against public in certificate for match
+ *
+ * ctx WOLFSSL_CTX structure to check private key in
+ *
+ * Returns SSL_SUCCESS on good private key and SSL_FAILURE if miss matched. */
+int wolfSSL_CTX_check_private_key(const WOLFSSL_CTX* ctx)
+{
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* der = NULL;
+#else
+ DecodedCert der[1];
+#endif
+ word32 size;
+ byte* buff;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_check_private_key");
+
+ if (ctx == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+#ifndef NO_CERTS
+#ifdef WOLFSSL_SMALL_STACK
+ der = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
+ if (der == NULL)
+ return MEMORY_E;
+#endif
+
+ size = ctx->certificate->length;
+ buff = ctx->certificate->buffer;
+ InitDecodedCert(der, buff, size, ctx->heap);
+ if (ParseCertRelative(der, CERT_TYPE, NO_VERIFY, NULL) != 0) {
+ FreeDecodedCert(der);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(der, NULL, DYNAMIC_TYPE_DCERT);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+
+ size = ctx->privateKey->length;
+ buff = ctx->privateKey->buffer;
+ ret = wc_CheckPrivateKey(buff, size, der);
+ FreeDecodedCert(der);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(der, NULL, DYNAMIC_TYPE_DCERT);
+#endif
+
+ if (ret == 1) {
+ return WOLFSSL_SUCCESS;
+ }
+ else {
+ return WOLFSSL_FAILURE;
+ }
+#else
+ WOLFSSL_MSG("NO_CERTS is defined, can not check private key");
+ return WOLFSSL_FAILURE;
+#endif
+}
+
+#ifdef HAVE_CRL
+
+
+/* check CRL if enabled, WOLFSSL_SUCCESS */
+int wolfSSL_CertManagerCheckCRL(WOLFSSL_CERT_MANAGER* cm, byte* der, int sz)
+{
+ int ret = 0;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_CertManagerCheckCRL");
+
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (cm->crlEnabled == 0)
+ return WOLFSSL_SUCCESS;
+
+#ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+#endif
+
+ InitDecodedCert(cert, der, sz, NULL);
+
+ if ((ret = ParseCertRelative(cert, CERT_TYPE, VERIFY_CRL, cm)) != 0) {
+ WOLFSSL_MSG("ParseCert failed");
+ }
+ else if ((ret = CheckCertCRL(cm->crl, cert)) != 0) {
+ WOLFSSL_MSG("CheckCertCRL failed");
+ }
+
+ FreeDecodedCert(cert);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+#endif
+
+ return ret == 0 ? WOLFSSL_SUCCESS : ret;
+}
+
+
+int wolfSSL_CertManagerSetCRL_Cb(WOLFSSL_CERT_MANAGER* cm, CbMissingCRL cb)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerSetCRL_Cb");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ cm->cbMissingCRL = cb;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#ifdef HAVE_CRL_IO
+int wolfSSL_CertManagerSetCRL_IOCb(WOLFSSL_CERT_MANAGER* cm, CbCrlIO cb)
+{
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ cm->crl->crlIOCb = cb;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+int wolfSSL_CertManagerLoadCRL(WOLFSSL_CERT_MANAGER* cm, const char* path,
+ int type, int monitor)
+{
+ WOLFSSL_ENTER("wolfSSL_CertManagerLoadCRL");
+ if (cm == NULL)
+ return BAD_FUNC_ARG;
+
+ if (cm->crl == NULL) {
+ if (wolfSSL_CertManagerEnableCRL(cm, 0) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Enable CRL failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ return LoadCRL(cm->crl, path, type, monitor);
+}
+
+
+int wolfSSL_EnableCRL(WOLFSSL* ssl, int options)
+{
+ WOLFSSL_ENTER("wolfSSL_EnableCRL");
+ if (ssl)
+ return wolfSSL_CertManagerEnableCRL(ssl->ctx->cm, options);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_DisableCRL(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_DisableCRL");
+ if (ssl)
+ return wolfSSL_CertManagerDisableCRL(ssl->ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_LoadCRL(WOLFSSL* ssl, const char* path, int type, int monitor)
+{
+ WOLFSSL_ENTER("wolfSSL_LoadCRL");
+ if (ssl)
+ return wolfSSL_CertManagerLoadCRL(ssl->ctx->cm, path, type, monitor);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_SetCRL_Cb(WOLFSSL* ssl, CbMissingCRL cb)
+{
+ WOLFSSL_ENTER("wolfSSL_SetCRL_Cb");
+ if (ssl)
+ return wolfSSL_CertManagerSetCRL_Cb(ssl->ctx->cm, cb);
+ else
+ return BAD_FUNC_ARG;
+}
+
+#ifdef HAVE_CRL_IO
+int wolfSSL_SetCRL_IOCb(WOLFSSL* ssl, CbCrlIO cb)
+{
+ WOLFSSL_ENTER("wolfSSL_SetCRL_Cb");
+ if (ssl)
+ return wolfSSL_CertManagerSetCRL_IOCb(ssl->ctx->cm, cb);
+ else
+ return BAD_FUNC_ARG;
+}
+#endif
+
+int wolfSSL_CTX_EnableCRL(WOLFSSL_CTX* ctx, int options)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_EnableCRL");
+ if (ctx)
+ return wolfSSL_CertManagerEnableCRL(ctx->cm, options);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_DisableCRL(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_DisableCRL");
+ if (ctx)
+ return wolfSSL_CertManagerDisableCRL(ctx->cm);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_LoadCRL(WOLFSSL_CTX* ctx, const char* path,
+ int type, int monitor)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_LoadCRL");
+ if (ctx)
+ return wolfSSL_CertManagerLoadCRL(ctx->cm, path, type, monitor);
+ else
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_CTX_SetCRL_Cb(WOLFSSL_CTX* ctx, CbMissingCRL cb)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_SetCRL_Cb");
+ if (ctx)
+ return wolfSSL_CertManagerSetCRL_Cb(ctx->cm, cb);
+ else
+ return BAD_FUNC_ARG;
+}
+
+#ifdef HAVE_CRL_IO
+int wolfSSL_CTX_SetCRL_IOCb(WOLFSSL_CTX* ctx, CbCrlIO cb)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_SetCRL_IOCb");
+ if (ctx)
+ return wolfSSL_CertManagerSetCRL_IOCb(ctx->cm, cb);
+ else
+ return BAD_FUNC_ARG;
+}
+#endif
+
+
+#endif /* HAVE_CRL */
+
+
+#ifdef WOLFSSL_DER_LOAD
+
+/* Add format parameter to allow DER load of CA files */
+int wolfSSL_CTX_der_load_verify_locations(WOLFSSL_CTX* ctx, const char* file,
+ int format)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_der_load_verify_locations");
+ if (ctx == NULL || file == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (ProcessFile(ctx, file, format, CA_TYPE, NULL, 0, NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+#endif /* WOLFSSL_DER_LOAD */
+
+
+
+int wolfSSL_CTX_use_certificate_file(WOLFSSL_CTX* ctx, const char* file,
+ int format)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_file");
+ if (ProcessFile(ctx, file, format, CERT_TYPE, NULL, 0, NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_CTX_use_PrivateKey_file(WOLFSSL_CTX* ctx, const char* file,
+ int format)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_use_PrivateKey_file");
+ if (ProcessFile(ctx, file, format, PRIVATEKEY_TYPE, NULL, 0, NULL)
+ == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+/* Sets the max chain depth when verifying a certificate chain. Default depth
+ * is set to MAX_CHAIN_DEPTH.
+ *
+ * ctx WOLFSSL_CTX structure to set depth in
+ * depth max depth
+ */
+void wolfSSL_CTX_set_verify_depth(WOLFSSL_CTX *ctx, int depth) {
+ WOLFSSL_ENTER("wolfSSL_CTX_set_verify_depth");
+
+ if (ctx == NULL || depth < 0 || depth > MAX_CHAIN_DEPTH) {
+ WOLFSSL_MSG("Bad depth argument, too large or less than 0");
+ return;
+ }
+
+ ctx->verifyDepth = (byte)depth;
+}
+
+
+/* get cert chaining depth using ssl struct */
+long wolfSSL_get_verify_depth(WOLFSSL* ssl)
+{
+ if(ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+#ifndef OPENSSL_EXTRA
+ return MAX_CHAIN_DEPTH;
+#else
+ return ssl->options.verifyDepth;
+#endif
+}
+
+
+/* get cert chaining depth using ctx struct */
+long wolfSSL_CTX_get_verify_depth(WOLFSSL_CTX* ctx)
+{
+ if(ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+#ifndef OPENSSL_EXTRA
+ return MAX_CHAIN_DEPTH;
+#else
+ return ctx->verifyDepth;
+#endif
+}
+
+
+int wolfSSL_CTX_use_certificate_chain_file(WOLFSSL_CTX* ctx, const char* file)
+{
+ /* process up to MAX_CHAIN_DEPTH plus subject cert */
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_chain_file");
+ if (ProcessFile(ctx, file, WOLFSSL_FILETYPE_PEM,CERT_TYPE,NULL,1, NULL)
+ == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_CTX_use_certificate_chain_file_format(WOLFSSL_CTX* ctx,
+ const char* file, int format)
+{
+ /* process up to MAX_CHAIN_DEPTH plus subject cert */
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_chain_file_format");
+ if (ProcessFile(ctx, file, format, CERT_TYPE, NULL, 1, NULL)
+ == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+#ifndef NO_DH
+
+/* server Diffie-Hellman parameters */
+static int wolfSSL_SetTmpDH_file_wrapper(WOLFSSL_CTX* ctx, WOLFSSL* ssl,
+ const char* fname, int format)
+{
+#ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+#else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+#endif
+ byte* myBuffer = staticBuffer;
+ int dynamic = 0;
+ int ret;
+ long sz = 0;
+ XFILE file;
+
+ if (ctx == NULL || fname == NULL)
+ return BAD_FUNC_ARG;
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE) return WOLFSSL_BAD_FILE;
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz > (long)sizeof(staticBuffer)) {
+ WOLFSSL_MSG("Getting dynamic buffer");
+ myBuffer = (byte*) XMALLOC(sz, ctx->heap, DYNAMIC_TYPE_FILE);
+ if (myBuffer == NULL) {
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+ dynamic = 1;
+ }
+ else if (sz <= 0) {
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+
+ if ( (ret = (int)XFREAD(myBuffer, 1, sz, file)) != sz)
+ ret = WOLFSSL_BAD_FILE;
+ else {
+ if (ssl)
+ ret = wolfSSL_SetTmpDH_buffer(ssl, myBuffer, sz, format);
+ else
+ ret = wolfSSL_CTX_SetTmpDH_buffer(ctx, myBuffer, sz, format);
+ }
+
+ XFCLOSE(file);
+ if (dynamic)
+ XFREE(myBuffer, ctx->heap, DYNAMIC_TYPE_FILE);
+
+ return ret;
+}
+
+/* server Diffie-Hellman parameters */
+int wolfSSL_SetTmpDH_file(WOLFSSL* ssl, const char* fname, int format)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_SetTmpDH_file_wrapper(ssl->ctx, ssl, fname, format);
+}
+
+
+/* server Diffie-Hellman parameters */
+int wolfSSL_CTX_SetTmpDH_file(WOLFSSL_CTX* ctx, const char* fname, int format)
+{
+ return wolfSSL_SetTmpDH_file_wrapper(ctx, NULL, fname, format);
+}
+
+#endif /* NO_DH */
+
+#endif /* NO_FILESYSTEM */
+
+
+#if defined(OPENSSL_EXTRA) || !defined(NO_PWDBASED) && \
+ (defined(OPENSSL_EXTRA_X509_SMALL) || defined(HAVE_WEBSERVER))
+
+static int wolfSSL_EVP_get_hashinfo(const WOLFSSL_EVP_MD* evp,
+ int* pHash, int* pHashSz)
+{
+ enum wc_HashType hash = WC_HASH_TYPE_NONE;
+ int hashSz;
+
+ if (XSTRLEN(evp) < 3) {
+ /* do not try comparing strings if size is too small */
+ return WOLFSSL_FAILURE;
+ }
+
+ if (XSTRNCMP("SHA", evp, 3) == 0) {
+ if (XSTRLEN(evp) > 3) {
+ #ifndef NO_SHA256
+ if (XSTRNCMP("SHA256", evp, 6) == 0) {
+ hash = WC_HASH_TYPE_SHA256;
+ }
+ else
+ #endif
+ #ifdef WOLFSSL_SHA384
+ if (XSTRNCMP("SHA384", evp, 6) == 0) {
+ hash = WC_HASH_TYPE_SHA384;
+ }
+ else
+ #endif
+ #ifdef WOLFSSL_SHA512
+ if (XSTRNCMP("SHA512", evp, 6) == 0) {
+ hash = WC_HASH_TYPE_SHA512;
+ }
+ else
+ #endif
+ {
+ WOLFSSL_MSG("Unknown SHA hash");
+ }
+ }
+ else {
+ hash = WC_HASH_TYPE_SHA;
+ }
+ }
+#ifdef WOLFSSL_MD2
+ else if (XSTRNCMP("MD2", evp, 3) == 0) {
+ hash = WC_HASH_TYPE_MD2;
+ }
+#endif
+#ifndef NO_MD4
+ else if (XSTRNCMP("MD4", evp, 3) == 0) {
+ hash = WC_HASH_TYPE_MD4;
+ }
+#endif
+#ifndef NO_MD5
+ else if (XSTRNCMP("MD5", evp, 3) == 0) {
+ hash = WC_HASH_TYPE_MD5;
+ }
+#endif
+
+ if (pHash)
+ *pHash = hash;
+
+ hashSz = wc_HashGetDigestSize(hash);
+ if (pHashSz)
+ *pHashSz = hashSz;
+
+ if (hashSz < 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif
+
+
+#ifdef OPENSSL_EXTRA
+/* put SSL type in extra for now, not very common */
+
+/* Converts a DER format key read from "bio" to a PKCS8 structure.
+ *
+ * bio input bio to read DER from
+ * pkey If not NULL then this pointer will be overwritten with a new PKCS8
+ * structure.
+ *
+ * returns a WOLFSSL_PKCS8_PRIV_KEY_INFO pointer on success and NULL in fail
+ * case.
+ */
+WOLFSSL_PKCS8_PRIV_KEY_INFO* wolfSSL_d2i_PKCS8_PKEY_bio(WOLFSSL_BIO* bio,
+ WOLFSSL_PKCS8_PRIV_KEY_INFO** pkey)
+{
+ WOLFSSL_PKCS8_PRIV_KEY_INFO* pkcs8 = NULL;
+#ifdef WOLFSSL_PEM_TO_DER
+ unsigned char* mem;
+ int memSz;
+ int keySz;
+
+ WOLFSSL_MSG("wolfSSL_d2i_PKCS8_PKEY_bio()");
+
+ if (bio == NULL) {
+ return NULL;
+ }
+
+ if ((memSz = wolfSSL_BIO_get_mem_data(bio, &mem)) < 0) {
+ return NULL;
+ }
+
+ if ((keySz = wc_KeyPemToDer(mem, memSz, mem, memSz, NULL)) < 0) {
+ WOLFSSL_MSG("Not PEM format");
+ keySz = memSz;
+ if ((keySz = ToTraditional((byte*)mem, (word32)keySz)) < 0) {
+ return NULL;
+ }
+ }
+
+ pkcs8 = wolfSSL_PKEY_new();
+ if (pkcs8 == NULL) {
+ return NULL;
+ }
+
+ pkcs8->pkey.ptr = (char*)XMALLOC(keySz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (pkcs8->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(pkcs8);
+ return NULL;
+ }
+ XMEMCPY(pkcs8->pkey.ptr, mem, keySz);
+ pkcs8->pkey_sz = keySz;
+
+ if (pkey != NULL) {
+ *pkey = pkcs8;
+ }
+#else
+ (void)bio;
+ (void)pkey;
+#endif /* WOLFSSL_PEM_TO_DER */
+
+ return pkcs8;
+}
+
+
+/* expecting DER format public key
+ *
+ * bio input bio to read DER from
+ * out If not NULL then this pointer will be overwritten with a new
+ * WOLFSSL_EVP_PKEY pointer
+ *
+ * returns a WOLFSSL_EVP_PKEY pointer on success and NULL in fail case.
+ */
+WOLFSSL_EVP_PKEY* wolfSSL_d2i_PUBKEY_bio(WOLFSSL_BIO* bio,
+ WOLFSSL_EVP_PKEY** out)
+{
+ unsigned char* mem;
+ long memSz;
+ WOLFSSL_EVP_PKEY* pkey = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PUBKEY_bio()");
+
+ if (bio == NULL) {
+ return NULL;
+ }
+ (void)out;
+
+ memSz = wolfSSL_BIO_pending(bio);
+ if (memSz <= 0) {
+ return NULL;
+ }
+
+ mem = (unsigned char*)XMALLOC(memSz, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (mem == NULL) {
+ return NULL;
+ }
+
+ if (wolfSSL_BIO_read(bio, mem, (int)memSz) == memSz) {
+ pkey = wolfSSL_d2i_PUBKEY(NULL, &mem, memSz);
+ if (out != NULL && pkey != NULL) {
+ *out = pkey;
+ }
+ }
+
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return pkey;
+}
+
+
+
+/* Converts a DER encoded public key to a WOLFSSL_EVP_PKEY structure.
+ *
+ * out pointer to new WOLFSSL_EVP_PKEY structure. Can be NULL
+ * in DER buffer to convert
+ * inSz size of in buffer
+ *
+ * returns a pointer to a new WOLFSSL_EVP_PKEY structure on success and NULL
+ * on fail
+ */
+WOLFSSL_EVP_PKEY* wolfSSL_d2i_PUBKEY(WOLFSSL_EVP_PKEY** out, unsigned char** in,
+ long inSz)
+{
+ WOLFSSL_EVP_PKEY* pkey = NULL;
+ const unsigned char* mem;
+ long memSz = inSz;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PUBKEY");
+
+ if (in == NULL || inSz < 0) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+ mem = *in;
+
+ #if !defined(NO_RSA)
+ {
+ RsaKey rsa;
+ word32 keyIdx = 0;
+
+ /* test if RSA key */
+ if (wc_InitRsaKey(&rsa, NULL) == 0 &&
+ wc_RsaPublicKeyDecode(mem, &keyIdx, &rsa, (word32)memSz) == 0) {
+ wc_FreeRsaKey(&rsa);
+ pkey = wolfSSL_PKEY_new();
+ if (pkey != NULL) {
+ pkey->pkey_sz = keyIdx;
+ pkey->pkey.ptr = (char*)XMALLOC(memSz, NULL,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (pkey->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+ XMEMCPY(pkey->pkey.ptr, mem, keyIdx);
+ pkey->type = EVP_PKEY_RSA;
+ if (out != NULL) {
+ *out = pkey;
+ }
+
+ pkey->ownRsa = 1;
+ pkey->rsa = wolfSSL_RSA_new();
+ if (pkey->rsa == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+
+ if (wolfSSL_RSA_LoadDer_ex(pkey->rsa,
+ (const unsigned char*)pkey->pkey.ptr,
+ pkey->pkey_sz, WOLFSSL_RSA_LOAD_PUBLIC) != 1) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+
+ return pkey;
+ }
+ }
+ wc_FreeRsaKey(&rsa);
+ }
+ #endif /* NO_RSA */
+
+ #ifdef HAVE_ECC
+ {
+ word32 keyIdx = 0;
+ ecc_key ecc;
+
+ if (wc_ecc_init(&ecc) == 0 &&
+ wc_EccPublicKeyDecode(mem, &keyIdx, &ecc, (word32)memSz) == 0) {
+ wc_ecc_free(&ecc);
+ pkey = wolfSSL_PKEY_new();
+ if (pkey != NULL) {
+ pkey->pkey_sz = keyIdx;
+ pkey->pkey.ptr = (char*)XMALLOC(keyIdx, NULL,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (pkey->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+ XMEMCPY(pkey->pkey.ptr, mem, keyIdx);
+ pkey->type = EVP_PKEY_EC;
+ if (out != NULL) {
+ *out = pkey;
+ }
+ return pkey;
+ }
+ }
+ wc_ecc_free(&ecc);
+ }
+ #endif /* HAVE_ECC */
+
+ return pkey;
+
+}
+
+
+/* Reads in a DER format key. If PKCS8 headers are found they are stripped off.
+ *
+ * type type of key
+ * out newly created WOLFSSL_EVP_PKEY structure
+ * in pointer to input key DER
+ * inSz size of in buffer
+ *
+ * On success a non null pointer is returned and the pointer in is advanced the
+ * same number of bytes read.
+ */
+WOLFSSL_EVP_PKEY* wolfSSL_d2i_PrivateKey(int type, WOLFSSL_EVP_PKEY** out,
+ const unsigned char **in, long inSz)
+{
+ WOLFSSL_EVP_PKEY* local;
+ word32 idx = 0;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PrivateKey");
+
+ if (in == NULL || inSz < 0) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+
+ /* Check if input buffer has PKCS8 header. In the case that it does not
+ * have a PKCS8 header then do not error out. */
+ if ((ret = ToTraditionalInline((const byte*)(*in), &idx, (word32)inSz))
+ > 0) {
+ WOLFSSL_MSG("Found and removed PKCS8 header");
+ }
+ else {
+ if (ret != ASN_PARSE_E) {
+ WOLFSSL_MSG("Unexpected error with trying to remove PKCS8 header");
+ return NULL;
+ }
+ }
+
+ if (out != NULL && *out != NULL) {
+ wolfSSL_EVP_PKEY_free(*out);
+ }
+ local = wolfSSL_PKEY_new();
+ if (local == NULL) {
+ return NULL;
+ }
+
+ /* sanity check on idx before use */
+ if ((int)idx > inSz) {
+ WOLFSSL_MSG("Issue with index pointer");
+ wolfSSL_EVP_PKEY_free(local);
+ local = NULL;
+ return NULL;
+ }
+
+ local->type = type;
+ local->pkey_sz = (int)inSz - idx;
+ local->pkey.ptr = (char*)XMALLOC(inSz - idx, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (local->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(local);
+ local = NULL;
+ return NULL;
+ }
+ else {
+ XMEMCPY(local->pkey.ptr, *in + idx, inSz - idx);
+ }
+
+ switch (type) {
+#ifndef NO_RSA
+ case EVP_PKEY_RSA:
+ local->ownRsa = 1;
+ local->rsa = wolfSSL_RSA_new();
+ if (local->rsa == NULL) {
+ wolfSSL_EVP_PKEY_free(local);
+ return NULL;
+ }
+ if (wolfSSL_RSA_LoadDer_ex(local->rsa,
+ (const unsigned char*)local->pkey.ptr, local->pkey_sz,
+ WOLFSSL_RSA_LOAD_PRIVATE) != SSL_SUCCESS) {
+ wolfSSL_EVP_PKEY_free(local);
+ return NULL;
+ }
+ break;
+#endif /* NO_RSA */
+#ifdef HAVE_ECC
+ case EVP_PKEY_EC:
+ local->ownEcc = 1;
+ local->ecc = wolfSSL_EC_KEY_new();
+ if (local->ecc == NULL) {
+ wolfSSL_EVP_PKEY_free(local);
+ return NULL;
+ }
+ if (wolfSSL_EC_KEY_LoadDer(local->ecc,
+ (const unsigned char*)local->pkey.ptr, local->pkey_sz)
+ != SSL_SUCCESS) {
+ wolfSSL_EVP_PKEY_free(local);
+ return NULL;
+ }
+ break;
+#endif /* HAVE_ECC */
+
+ default:
+ WOLFSSL_MSG("Unsupported key type");
+ wolfSSL_EVP_PKEY_free(local);
+ return NULL;
+ }
+
+ /* advance pointer with success */
+ if (local != NULL) {
+ if ((idx + local->pkey_sz) <= (word32)inSz) {
+ *in = *in + idx + local->pkey_sz;
+ }
+
+ if (out != NULL) {
+ *out = local;
+ }
+ }
+
+ return local;
+}
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_ctrl(WOLFSSL* ssl, int cmd, long opt, void* pt)
+{
+ WOLFSSL_STUB("SSL_ctrl");
+ (void)ssl;
+ (void)cmd;
+ (void)opt;
+ (void)pt;
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_ctrl(WOLFSSL_CTX* ctx, int cmd, long opt, void* pt)
+{
+ WOLFSSL_STUB("SSL_CTX_ctrl");
+ (void)ctx;
+ (void)cmd;
+ (void)opt;
+ (void)pt;
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_CERTS
+
+int wolfSSL_check_private_key(const WOLFSSL* ssl)
+{
+ DecodedCert der;
+ word32 size;
+ byte* buff;
+ int ret;
+
+ if (ssl == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ size = ssl->buffers.certificate->length;
+ buff = ssl->buffers.certificate->buffer;
+ InitDecodedCert(&der, buff, size, ssl->heap);
+#ifdef HAVE_PK_CALLBACKS
+ ret = InitSigPkCb((WOLFSSL*)ssl, &der.sigCtx);
+ if (ret != 0) {
+ FreeDecodedCert(&der);
+ return ret;
+ }
+#endif
+
+ if (ParseCertRelative(&der, CERT_TYPE, NO_VERIFY, NULL) != 0) {
+ FreeDecodedCert(&der);
+ return WOLFSSL_FAILURE;
+ }
+
+ size = ssl->buffers.key->length;
+ buff = ssl->buffers.key->buffer;
+ ret = wc_CheckPrivateKey(buff, size, &der);
+ FreeDecodedCert(&der);
+ return ret;
+}
+
+
+/* Looks for the extension matching the passed in nid
+ *
+ * c : if not null then is set to status value -2 if multiple occurances
+ * of the extension are found, -1 if not found, 0 if found and not
+ * critical, and 1 if found and critical.
+ * nid : Extension OID to be found.
+ * idx : if NULL return first extension found match, otherwise start search at
+ * idx location and set idx to the location of extension returned.
+ * returns NULL or a pointer to an WOLFSSL_STACK holding extension structure
+ *
+ * NOTE code for decoding extensions is in asn.c DecodeCertExtensions --
+ * use already decoded extension in this function to avoid decoding twice.
+ * Currently we do not make use of idx since getting pre decoded extensions.
+ */
+void* wolfSSL_X509_get_ext_d2i(const WOLFSSL_X509* x509,
+ int nid, int* c, int* idx)
+{
+ WOLFSSL_STACK* sk = NULL;
+ WOLFSSL_ASN1_OBJECT* obj = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_ext_d2i");
+
+ if (x509 == NULL) {
+ return NULL;
+ }
+
+ if (c != NULL) {
+ *c = -1; /* default to not found */
+ }
+
+ sk = (WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)*)XMALLOC(
+ sizeof(WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)), NULL, DYNAMIC_TYPE_ASN1);
+ if (sk == NULL) {
+ return NULL;
+ }
+ XMEMSET(sk, 0, sizeof(WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)));
+
+ switch (nid) {
+ case BASIC_CA_OID:
+ if (x509->basicConstSet) {
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ if (c != NULL) {
+ *c = x509->basicConstCrit;
+ }
+ obj->type = BASIC_CA_OID;
+ obj->grp = oidCertExtType;
+ }
+ else {
+ WOLFSSL_MSG("No Basic Constraint set");
+ }
+ break;
+
+ case ALT_NAMES_OID:
+ {
+ DNS_entry* dns = NULL;
+
+ if (x509->subjAltNameSet && x509->altNames != NULL) {
+ /* alt names are DNS_entry structs */
+ if (c != NULL) {
+ if (x509->altNames->next != NULL) {
+ *c = -2; /* more then one found */
+ }
+ else {
+ *c = x509->subjAltNameCrit;
+ }
+ }
+
+ dns = x509->altNames;
+ while (dns != NULL) {
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = dns->type;
+ obj->grp = oidCertExtType;
+ obj->obj = (byte*)dns->name;
+
+ /* set app derefrenced pointers */
+ obj->d.ia5_internal.data = dns->name;
+ obj->d.ia5_internal.length = (int)XSTRLEN(dns->name);
+ dns = dns->next;
+ /* last dns in list add at end of function */
+ if (dns != NULL) {
+ if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj) !=
+ WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error pushing ASN1 object onto stack");
+ wolfSSL_ASN1_OBJECT_free(obj);
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ sk = NULL;
+ }
+ }
+ }
+ }
+ else {
+ WOLFSSL_MSG("No Alt Names set");
+ }
+ }
+ break;
+
+ case CRL_DIST_OID:
+ if (x509->CRLdistSet && x509->CRLInfo != NULL) {
+ if (c != NULL) {
+ *c = x509->CRLdistCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = CRL_DIST_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = x509->CRLInfo;
+ obj->objSz = x509->CRLInfoSz;
+ }
+ else {
+ WOLFSSL_MSG("No CRL dist set");
+ }
+ break;
+
+ case AUTH_INFO_OID:
+ if (x509->authInfoSet && x509->authInfo != NULL) {
+ if (c != NULL) {
+ *c = x509->authInfoCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = AUTH_INFO_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = x509->authInfo;
+ obj->objSz = x509->authInfoSz;
+ }
+ else {
+ WOLFSSL_MSG("No Auth Info set");
+ }
+ break;
+
+ case AUTH_KEY_OID:
+ if (x509->authKeyIdSet) {
+ if (c != NULL) {
+ *c = x509->authKeyIdCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = AUTH_KEY_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = x509->authKeyId;
+ obj->objSz = x509->authKeyIdSz;
+ }
+ else {
+ WOLFSSL_MSG("No Auth Key set");
+ }
+ break;
+
+ case SUBJ_KEY_OID:
+ if (x509->subjKeyIdSet) {
+ if (c != NULL) {
+ *c = x509->subjKeyIdCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = SUBJ_KEY_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = x509->subjKeyId;
+ obj->objSz = x509->subjKeyIdSz;
+ }
+ else {
+ WOLFSSL_MSG("No Subject Key set");
+ }
+ break;
+
+ case CERT_POLICY_OID:
+ #ifdef WOLFSSL_CERT_EXT
+ {
+ int i;
+
+ if (x509->certPoliciesNb > 0) {
+ if (c != NULL) {
+ if (x509->certPoliciesNb > 1) {
+ *c = -2;
+ }
+ else {
+ *c = 0;
+ }
+ }
+
+ for (i = 0; i < x509->certPoliciesNb - 1; i++) {
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = CERT_POLICY_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = (byte*)(x509->certPolicies[i]);
+ obj->objSz = MAX_CERTPOL_SZ;
+ if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj)
+ != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error pushing ASN1 object onto stack");
+ wolfSSL_ASN1_OBJECT_free(obj);
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ sk = NULL;
+ }
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = CERT_POLICY_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = (byte*)(x509->certPolicies[i]);
+ obj->objSz = MAX_CERTPOL_SZ;
+ }
+ else {
+ WOLFSSL_MSG("No Cert Policy set");
+ }
+ }
+ #else
+ #ifdef WOLFSSL_SEP
+ if (x509->certPolicySet) {
+ if (c != NULL) {
+ *c = x509->certPolicyCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = CERT_POLICY_OID;
+ obj->grp = oidCertExtType;
+ }
+ else {
+ WOLFSSL_MSG("No Cert Policy set");
+ }
+ #else
+ WOLFSSL_MSG("wolfSSL not built with WOLFSSL_SEP or WOLFSSL_CERT_EXT");
+ #endif /* WOLFSSL_SEP */
+ #endif /* WOLFSSL_CERT_EXT */
+ break;
+
+ case KEY_USAGE_OID:
+ if (x509->keyUsageSet) {
+ if (c != NULL) {
+ *c = x509->keyUsageCrit;
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = KEY_USAGE_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = (byte*)&(x509->keyUsage);
+ obj->objSz = sizeof(word16);
+ }
+ else {
+ WOLFSSL_MSG("No Key Usage set");
+ }
+ break;
+
+ case INHIBIT_ANY_OID:
+ WOLFSSL_MSG("INHIBIT ANY extension not supported");
+ break;
+
+ case EXT_KEY_USAGE_OID:
+ if (x509->extKeyUsageSrc != NULL) {
+ if (c != NULL) {
+ if (x509->extKeyUsageCount > 1) {
+ *c = -2;
+ }
+ else {
+ *c = x509->extKeyUsageCrit;
+ }
+ }
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ return NULL;
+ }
+ obj->type = EXT_KEY_USAGE_OID;
+ obj->grp = oidCertExtType;
+ obj->obj = x509->extKeyUsageSrc;
+ obj->objSz = x509->extKeyUsageSz;
+ }
+ else {
+ WOLFSSL_MSG("No Extended Key Usage set");
+ }
+ break;
+
+ case NAME_CONS_OID:
+ WOLFSSL_MSG("Name Constraint OID extension not supported");
+ break;
+
+ case PRIV_KEY_USAGE_PERIOD_OID:
+ WOLFSSL_MSG("Private Key Usage Period extension not supported");
+ break;
+
+ case SUBJECT_INFO_ACCESS:
+ WOLFSSL_MSG("Subject Info Access extension not supported");
+ break;
+
+ case POLICY_MAP_OID:
+ WOLFSSL_MSG("Policy Map extension not supported");
+ break;
+
+ case POLICY_CONST_OID:
+ WOLFSSL_MSG("Policy Constraint extension not supported");
+ break;
+
+ case ISSUE_ALT_NAMES_OID:
+ WOLFSSL_MSG("Issue Alt Names extension not supported");
+ break;
+
+ case TLS_FEATURE_OID:
+ WOLFSSL_MSG("TLS Feature extension not supported");
+ break;
+
+ default:
+ WOLFSSL_MSG("Unsupported/Unknown extension OID");
+ }
+
+ if (obj != NULL) {
+ if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error pushing ASN1 object onto stack");
+ wolfSSL_ASN1_OBJECT_free(obj);
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ sk = NULL;
+ }
+ }
+ else { /* no ASN1 object found for extension, free stack */
+ wolfSSL_sk_ASN1_OBJECT_free(sk);
+ sk = NULL;
+ }
+
+ (void)idx;
+
+ return sk;
+}
+
+
+/* this function makes the assumption that out buffer is big enough for digest*/
+static int wolfSSL_EVP_Digest(unsigned char* in, int inSz, unsigned char* out,
+ unsigned int* outSz, const WOLFSSL_EVP_MD* evp,
+ WOLFSSL_ENGINE* eng)
+{
+ int err;
+ int hashType = WC_HASH_TYPE_NONE;
+ int hashSz;
+
+ (void)eng;
+
+ err = wolfSSL_EVP_get_hashinfo(evp, &hashType, &hashSz);
+ if (err != WOLFSSL_SUCCESS)
+ return err;
+
+ *outSz = hashSz;
+
+ if (wc_Hash((enum wc_HashType)hashType, in, inSz, out, *outSz) != 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_X509_digest(const WOLFSSL_X509* x509, const WOLFSSL_EVP_MD* digest,
+ unsigned char* buf, unsigned int* len)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_digest");
+
+ if (x509 == NULL || digest == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return wolfSSL_EVP_Digest(x509->derCert->buffer, x509->derCert->length, buf,
+ len, digest, NULL);
+}
+
+
+int wolfSSL_use_PrivateKey(WOLFSSL* ssl, WOLFSSL_EVP_PKEY* pkey)
+{
+ WOLFSSL_ENTER("wolfSSL_use_PrivateKey");
+ if (ssl == NULL || pkey == NULL ) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return wolfSSL_use_PrivateKey_buffer(ssl, (unsigned char*)pkey->pkey.ptr,
+ pkey->pkey_sz, WOLFSSL_FILETYPE_ASN1);
+}
+
+
+int wolfSSL_use_PrivateKey_ASN1(int pri, WOLFSSL* ssl, unsigned char* der,
+ long derSz)
+{
+ WOLFSSL_ENTER("wolfSSL_use_PrivateKey_ASN1");
+ if (ssl == NULL || der == NULL ) {
+ return WOLFSSL_FAILURE;
+ }
+
+ (void)pri; /* type of private key */
+ return wolfSSL_use_PrivateKey_buffer(ssl, der, derSz, WOLFSSL_FILETYPE_ASN1);
+}
+
+
+#ifndef NO_RSA
+int wolfSSL_use_RSAPrivateKey_ASN1(WOLFSSL* ssl, unsigned char* der, long derSz)
+{
+ WOLFSSL_ENTER("wolfSSL_use_RSAPrivateKey_ASN1");
+ if (ssl == NULL || der == NULL ) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return wolfSSL_use_PrivateKey_buffer(ssl, der, derSz, WOLFSSL_FILETYPE_ASN1);
+}
+#endif
+
+int wolfSSL_use_certificate_ASN1(WOLFSSL* ssl, unsigned char* der, int derSz)
+{
+ long idx;
+
+ WOLFSSL_ENTER("wolfSSL_use_certificate_ASN1");
+ if (der != NULL && ssl != NULL) {
+ if (ProcessBuffer(NULL, der, derSz, WOLFSSL_FILETYPE_ASN1, CERT_TYPE, ssl,
+ &idx, 0) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+ }
+
+ (void)idx;
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_use_certificate(WOLFSSL* ssl, WOLFSSL_X509* x509)
+{
+ long idx;
+
+ WOLFSSL_ENTER("wolfSSL_use_certificate");
+ if (x509 != NULL && ssl != NULL && x509->derCert != NULL) {
+ if (ProcessBuffer(NULL, x509->derCert->buffer, x509->derCert->length,
+ WOLFSSL_FILETYPE_ASN1, CERT_TYPE, ssl, &idx, 0) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+ }
+
+ (void)idx;
+ return WOLFSSL_FAILURE;
+}
+#endif /* NO_CERTS */
+
+#ifndef NO_FILESYSTEM
+
+int wolfSSL_use_certificate_file(WOLFSSL* ssl, const char* file, int format)
+{
+ WOLFSSL_ENTER("wolfSSL_use_certificate_file");
+ if (ProcessFile(ssl->ctx, file, format, CERT_TYPE,
+ ssl, 0, NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_use_PrivateKey_file(WOLFSSL* ssl, const char* file, int format)
+{
+ WOLFSSL_ENTER("wolfSSL_use_PrivateKey_file");
+ if (ProcessFile(ssl->ctx, file, format, PRIVATEKEY_TYPE,
+ ssl, 0, NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_use_certificate_chain_file(WOLFSSL* ssl, const char* file)
+{
+ /* process up to MAX_CHAIN_DEPTH plus subject cert */
+ WOLFSSL_ENTER("wolfSSL_use_certificate_chain_file");
+ if (ProcessFile(ssl->ctx, file, WOLFSSL_FILETYPE_PEM, CERT_TYPE,
+ ssl, 1, NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+int wolfSSL_use_certificate_chain_file_format(WOLFSSL* ssl, const char* file,
+ int format)
+{
+ /* process up to MAX_CHAIN_DEPTH plus subject cert */
+ WOLFSSL_ENTER("wolfSSL_use_certificate_chain_file_format");
+ if (ProcessFile(ssl->ctx, file, format, CERT_TYPE, ssl, 1,
+ NULL) == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+
+#ifdef HAVE_ECC
+
+/* Set Temp CTX EC-DHE size in octets, should be 20 - 66 for 160 - 521 bit */
+int wolfSSL_CTX_SetTmpEC_DHE_Sz(WOLFSSL_CTX* ctx, word16 sz)
+{
+ if (ctx == NULL || sz < ECC_MINSIZE || sz > ECC_MAXSIZE)
+ return BAD_FUNC_ARG;
+
+ ctx->eccTempKeySz = sz;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* Set Temp SSL EC-DHE size in octets, should be 20 - 66 for 160 - 521 bit */
+int wolfSSL_SetTmpEC_DHE_Sz(WOLFSSL* ssl, word16 sz)
+{
+ if (ssl == NULL || sz < ECC_MINSIZE || sz > ECC_MAXSIZE)
+ return BAD_FUNC_ARG;
+
+ ssl->eccTempKeySz = sz;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* HAVE_ECC */
+
+
+
+
+int wolfSSL_CTX_use_RSAPrivateKey_file(WOLFSSL_CTX* ctx,const char* file,
+ int format)
+{
+ WOLFSSL_ENTER("SSL_CTX_use_RSAPrivateKey_file");
+
+ return wolfSSL_CTX_use_PrivateKey_file(ctx, file, format);
+}
+
+
+int wolfSSL_use_RSAPrivateKey_file(WOLFSSL* ssl, const char* file, int format)
+{
+ WOLFSSL_ENTER("wolfSSL_use_RSAPrivateKey_file");
+
+ return wolfSSL_use_PrivateKey_file(ssl, file, format);
+}
+
+#endif /* NO_FILESYSTEM */
+
+/* Copies the master secret over to out buffer. If outSz is 0 returns the size
+ * of master secret.
+ *
+ * ses : a session from completed TLS/SSL handshake
+ * out : buffer to hold copy of master secret
+ * outSz : size of out buffer
+ * returns : number of bytes copied into out buffer on success
+ * less then or equal to 0 is considered a failure case
+ */
+int wolfSSL_SESSION_get_master_key(const WOLFSSL_SESSION* ses,
+ unsigned char* out, int outSz)
+{
+ int size;
+
+ if (outSz == 0) {
+ return SECRET_LEN;
+ }
+
+ if (ses == NULL || out == NULL || outSz < 0) {
+ return 0;
+ }
+
+ if (outSz > SECRET_LEN) {
+ size = SECRET_LEN;
+ }
+ else {
+ size = outSz;
+ }
+
+ XMEMCPY(out, ses->masterSecret, size);
+ return size;
+}
+
+
+int wolfSSL_SESSION_get_master_key_length(const WOLFSSL_SESSION* ses)
+{
+ (void)ses;
+ return SECRET_LEN;
+}
+
+#endif /* OPENSSL_EXTRA */
+
+#ifndef NO_FILESYSTEM
+#ifdef HAVE_NTRU
+
+int wolfSSL_CTX_use_NTRUPrivateKey_file(WOLFSSL_CTX* ctx, const char* file)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_use_NTRUPrivateKey_file");
+ if (ctx == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (ProcessFile(ctx, file, WOLFSSL_FILETYPE_RAW, PRIVATEKEY_TYPE, NULL, 0, NULL)
+ == WOLFSSL_SUCCESS) {
+ ctx->haveNTRU = 1;
+ return WOLFSSL_SUCCESS;
+ }
+
+ return WOLFSSL_FAILURE;
+}
+
+#endif /* HAVE_NTRU */
+
+
+#endif /* NO_FILESYSTEM */
+
+
+void wolfSSL_CTX_set_verify(WOLFSSL_CTX* ctx, int mode, VerifyCallback vc)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_verify");
+ if (mode & WOLFSSL_VERIFY_PEER) {
+ ctx->verifyPeer = 1;
+ ctx->verifyNone = 0; /* in case previously set */
+ }
+
+ if (mode == WOLFSSL_VERIFY_NONE) {
+ ctx->verifyNone = 1;
+ ctx->verifyPeer = 0; /* in case previously set */
+ }
+
+ if (mode & WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT)
+ ctx->failNoCert = 1;
+
+ if (mode & WOLFSSL_VERIFY_FAIL_EXCEPT_PSK) {
+ ctx->failNoCert = 0; /* fail on all is set to fail on PSK */
+ ctx->failNoCertxPSK = 1;
+ }
+
+ ctx->verifyCallback = vc;
+}
+
+
+void wolfSSL_set_verify(WOLFSSL* ssl, int mode, VerifyCallback vc)
+{
+ WOLFSSL_ENTER("wolfSSL_set_verify");
+ if (mode & WOLFSSL_VERIFY_PEER) {
+ ssl->options.verifyPeer = 1;
+ ssl->options.verifyNone = 0; /* in case previously set */
+ }
+
+ if (mode == WOLFSSL_VERIFY_NONE) {
+ ssl->options.verifyNone = 1;
+ ssl->options.verifyPeer = 0; /* in case previously set */
+ }
+
+ if (mode & WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT)
+ ssl->options.failNoCert = 1;
+
+ if (mode & WOLFSSL_VERIFY_FAIL_EXCEPT_PSK) {
+ ssl->options.failNoCert = 0; /* fail on all is set to fail on PSK */
+ ssl->options.failNoCertxPSK = 1;
+ }
+
+ ssl->verifyCallback = vc;
+}
+
+
+/* store user ctx for verify callback */
+void wolfSSL_SetCertCbCtx(WOLFSSL* ssl, void* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_SetCertCbCtx");
+ if (ssl)
+ ssl->verifyCbCtx = ctx;
+}
+
+
+/* store context CA Cache addition callback */
+void wolfSSL_CTX_SetCACb(WOLFSSL_CTX* ctx, CallbackCACache cb)
+{
+ if (ctx && ctx->cm)
+ ctx->cm->caCacheCallback = cb;
+}
+
+
+#if defined(PERSIST_CERT_CACHE)
+
+#if !defined(NO_FILESYSTEM)
+
+/* Persist cert cache to file */
+int wolfSSL_CTX_save_cert_cache(WOLFSSL_CTX* ctx, const char* fname)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_save_cert_cache");
+
+ if (ctx == NULL || fname == NULL)
+ return BAD_FUNC_ARG;
+
+ return CM_SaveCertCache(ctx->cm, fname);
+}
+
+
+/* Persist cert cache from file */
+int wolfSSL_CTX_restore_cert_cache(WOLFSSL_CTX* ctx, const char* fname)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_restore_cert_cache");
+
+ if (ctx == NULL || fname == NULL)
+ return BAD_FUNC_ARG;
+
+ return CM_RestoreCertCache(ctx->cm, fname);
+}
+
+#endif /* NO_FILESYSTEM */
+
+/* Persist cert cache to memory */
+int wolfSSL_CTX_memsave_cert_cache(WOLFSSL_CTX* ctx, void* mem,
+ int sz, int* used)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_memsave_cert_cache");
+
+ if (ctx == NULL || mem == NULL || used == NULL || sz <= 0)
+ return BAD_FUNC_ARG;
+
+ return CM_MemSaveCertCache(ctx->cm, mem, sz, used);
+}
+
+
+/* Restore cert cache from memory */
+int wolfSSL_CTX_memrestore_cert_cache(WOLFSSL_CTX* ctx, const void* mem, int sz)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_memrestore_cert_cache");
+
+ if (ctx == NULL || mem == NULL || sz <= 0)
+ return BAD_FUNC_ARG;
+
+ return CM_MemRestoreCertCache(ctx->cm, mem, sz);
+}
+
+
+/* get how big the the cert cache save buffer needs to be */
+int wolfSSL_CTX_get_cert_cache_memsize(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_get_cert_cache_memsize");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return CM_GetCertCacheMemSize(ctx->cm);
+}
+
+#endif /* PERSIST_CERT_CACHE */
+#endif /* !NO_CERTS */
+
+
+#ifndef NO_SESSION_CACHE
+
+WOLFSSL_SESSION* wolfSSL_get_session(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_get_session");
+ if (ssl)
+ return GetSession(ssl, 0, 0);
+
+ return NULL;
+}
+
+
+int wolfSSL_set_session(WOLFSSL* ssl, WOLFSSL_SESSION* session)
+{
+ WOLFSSL_ENTER("SSL_set_session");
+ if (session)
+ return SetSession(ssl, session);
+
+ return WOLFSSL_FAILURE;
+}
+
+
+#ifndef NO_CLIENT_CACHE
+
+/* Associate client session with serverID, find existing or store for saving
+ if newSession flag on, don't reuse existing session
+ WOLFSSL_SUCCESS on ok */
+int wolfSSL_SetServerID(WOLFSSL* ssl, const byte* id, int len, int newSession)
+{
+ WOLFSSL_SESSION* session = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_SetServerID");
+
+ if (ssl == NULL || id == NULL || len <= 0)
+ return BAD_FUNC_ARG;
+
+ if (newSession == 0) {
+ session = GetSessionClient(ssl, id, len);
+ if (session) {
+ if (SetSession(ssl, session) != WOLFSSL_SUCCESS) {
+ #ifdef HAVE_EXT_CACHE
+ wolfSSL_SESSION_free(session);
+ #endif
+ WOLFSSL_MSG("SetSession failed");
+ session = NULL;
+ }
+ }
+ }
+
+ if (session == NULL) {
+ WOLFSSL_MSG("Valid ServerID not cached already");
+
+ ssl->session.idLen = (word16)min(SERVER_ID_LEN, (word32)len);
+ XMEMCPY(ssl->session.serverID, id, ssl->session.idLen);
+ }
+ #ifdef HAVE_EXT_CACHE
+ else
+ wolfSSL_SESSION_free(session);
+ #endif
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_CLIENT_CACHE */
+
+#if defined(PERSIST_SESSION_CACHE)
+
+/* for persistence, if changes to layout need to increment and modify
+ save_session_cache() and restore_session_cache and memory versions too */
+#define WOLFSSL_CACHE_VERSION 2
+
+/* Session Cache Header information */
+typedef struct {
+ int version; /* cache layout version id */
+ int rows; /* session rows */
+ int columns; /* session columns */
+ int sessionSz; /* sizeof WOLFSSL_SESSION */
+} cache_header_t;
+
+/* current persistence layout is:
+
+ 1) cache_header_t
+ 2) SessionCache
+ 3) ClientCache
+
+ update WOLFSSL_CACHE_VERSION if change layout for the following
+ PERSISTENT_SESSION_CACHE functions
+*/
+
+
+/* get how big the the session cache save buffer needs to be */
+int wolfSSL_get_session_cache_memsize(void)
+{
+ int sz = (int)(sizeof(SessionCache) + sizeof(cache_header_t));
+
+ #ifndef NO_CLIENT_CACHE
+ sz += (int)(sizeof(ClientCache));
+ #endif
+
+ return sz;
+}
+
+
+/* Persist session cache to memory */
+int wolfSSL_memsave_session_cache(void* mem, int sz)
+{
+ int i;
+ cache_header_t cache_header;
+ SessionRow* row = (SessionRow*)((byte*)mem + sizeof(cache_header));
+#ifndef NO_CLIENT_CACHE
+ ClientRow* clRow;
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_memsave_session_cache");
+
+ if (sz < wolfSSL_get_session_cache_memsize()) {
+ WOLFSSL_MSG("Memory buffer too small");
+ return BUFFER_E;
+ }
+
+ cache_header.version = WOLFSSL_CACHE_VERSION;
+ cache_header.rows = SESSION_ROWS;
+ cache_header.columns = SESSIONS_PER_ROW;
+ cache_header.sessionSz = (int)sizeof(WOLFSSL_SESSION);
+ XMEMCPY(mem, &cache_header, sizeof(cache_header));
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Session cache mutex lock failed");
+ return BAD_MUTEX_E;
+ }
+
+ for (i = 0; i < cache_header.rows; ++i)
+ XMEMCPY(row++, SessionCache + i, sizeof(SessionRow));
+
+#ifndef NO_CLIENT_CACHE
+ clRow = (ClientRow*)row;
+ for (i = 0; i < cache_header.rows; ++i)
+ XMEMCPY(clRow++, ClientCache + i, sizeof(ClientRow));
+#endif
+
+ wc_UnLockMutex(&session_mutex);
+
+ WOLFSSL_LEAVE("wolfSSL_memsave_session_cache", WOLFSSL_SUCCESS);
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* Restore the persistent session cache from memory */
+int wolfSSL_memrestore_session_cache(const void* mem, int sz)
+{
+ int i;
+ cache_header_t cache_header;
+ SessionRow* row = (SessionRow*)((byte*)mem + sizeof(cache_header));
+#ifndef NO_CLIENT_CACHE
+ ClientRow* clRow;
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_memrestore_session_cache");
+
+ if (sz < wolfSSL_get_session_cache_memsize()) {
+ WOLFSSL_MSG("Memory buffer too small");
+ return BUFFER_E;
+ }
+
+ XMEMCPY(&cache_header, mem, sizeof(cache_header));
+ if (cache_header.version != WOLFSSL_CACHE_VERSION ||
+ cache_header.rows != SESSION_ROWS ||
+ cache_header.columns != SESSIONS_PER_ROW ||
+ cache_header.sessionSz != (int)sizeof(WOLFSSL_SESSION)) {
+
+ WOLFSSL_MSG("Session cache header match failed");
+ return CACHE_MATCH_ERROR;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Session cache mutex lock failed");
+ return BAD_MUTEX_E;
+ }
+
+ for (i = 0; i < cache_header.rows; ++i)
+ XMEMCPY(SessionCache + i, row++, sizeof(SessionRow));
+
+#ifndef NO_CLIENT_CACHE
+ clRow = (ClientRow*)row;
+ for (i = 0; i < cache_header.rows; ++i)
+ XMEMCPY(ClientCache + i, clRow++, sizeof(ClientRow));
+#endif
+
+ wc_UnLockMutex(&session_mutex);
+
+ WOLFSSL_LEAVE("wolfSSL_memrestore_session_cache", WOLFSSL_SUCCESS);
+
+ return WOLFSSL_SUCCESS;
+}
+
+#if !defined(NO_FILESYSTEM)
+
+/* Persist session cache to file */
+/* doesn't use memsave because of additional memory use */
+int wolfSSL_save_session_cache(const char *fname)
+{
+ XFILE file;
+ int ret;
+ int rc = WOLFSSL_SUCCESS;
+ int i;
+ cache_header_t cache_header;
+
+ WOLFSSL_ENTER("wolfSSL_save_session_cache");
+
+ file = XFOPEN(fname, "w+b");
+ if (file == XBADFILE) {
+ WOLFSSL_MSG("Couldn't open session cache save file");
+ return WOLFSSL_BAD_FILE;
+ }
+ cache_header.version = WOLFSSL_CACHE_VERSION;
+ cache_header.rows = SESSION_ROWS;
+ cache_header.columns = SESSIONS_PER_ROW;
+ cache_header.sessionSz = (int)sizeof(WOLFSSL_SESSION);
+
+ /* cache header */
+ ret = (int)XFWRITE(&cache_header, sizeof cache_header, 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Session cache header file write failed");
+ XFCLOSE(file);
+ return FWRITE_ERROR;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Session cache mutex lock failed");
+ XFCLOSE(file);
+ return BAD_MUTEX_E;
+ }
+
+ /* session cache */
+ for (i = 0; i < cache_header.rows; ++i) {
+ ret = (int)XFWRITE(SessionCache + i, sizeof(SessionRow), 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Session cache member file write failed");
+ rc = FWRITE_ERROR;
+ break;
+ }
+ }
+
+#ifndef NO_CLIENT_CACHE
+ /* client cache */
+ for (i = 0; i < cache_header.rows; ++i) {
+ ret = (int)XFWRITE(ClientCache + i, sizeof(ClientRow), 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Client cache member file write failed");
+ rc = FWRITE_ERROR;
+ break;
+ }
+ }
+#endif /* NO_CLIENT_CACHE */
+
+ wc_UnLockMutex(&session_mutex);
+
+ XFCLOSE(file);
+ WOLFSSL_LEAVE("wolfSSL_save_session_cache", rc);
+
+ return rc;
+}
+
+
+/* Restore the persistent session cache from file */
+/* doesn't use memstore because of additional memory use */
+int wolfSSL_restore_session_cache(const char *fname)
+{
+ XFILE file;
+ int rc = WOLFSSL_SUCCESS;
+ int ret;
+ int i;
+ cache_header_t cache_header;
+
+ WOLFSSL_ENTER("wolfSSL_restore_session_cache");
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE) {
+ WOLFSSL_MSG("Couldn't open session cache save file");
+ return WOLFSSL_BAD_FILE;
+ }
+ /* cache header */
+ ret = (int)XFREAD(&cache_header, sizeof cache_header, 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Session cache header file read failed");
+ XFCLOSE(file);
+ return FREAD_ERROR;
+ }
+ if (cache_header.version != WOLFSSL_CACHE_VERSION ||
+ cache_header.rows != SESSION_ROWS ||
+ cache_header.columns != SESSIONS_PER_ROW ||
+ cache_header.sessionSz != (int)sizeof(WOLFSSL_SESSION)) {
+
+ WOLFSSL_MSG("Session cache header match failed");
+ XFCLOSE(file);
+ return CACHE_MATCH_ERROR;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Session cache mutex lock failed");
+ XFCLOSE(file);
+ return BAD_MUTEX_E;
+ }
+
+ /* session cache */
+ for (i = 0; i < cache_header.rows; ++i) {
+ ret = (int)XFREAD(SessionCache + i, sizeof(SessionRow), 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Session cache member file read failed");
+ XMEMSET(SessionCache, 0, sizeof SessionCache);
+ rc = FREAD_ERROR;
+ break;
+ }
+ }
+
+#ifndef NO_CLIENT_CACHE
+ /* client cache */
+ for (i = 0; i < cache_header.rows; ++i) {
+ ret = (int)XFREAD(ClientCache + i, sizeof(ClientRow), 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Client cache member file read failed");
+ XMEMSET(ClientCache, 0, sizeof ClientCache);
+ rc = FREAD_ERROR;
+ break;
+ }
+ }
+
+#endif /* NO_CLIENT_CACHE */
+
+ wc_UnLockMutex(&session_mutex);
+
+ XFCLOSE(file);
+ WOLFSSL_LEAVE("wolfSSL_restore_session_cache", rc);
+
+ return rc;
+}
+
+#endif /* !NO_FILESYSTEM */
+#endif /* PERSIST_SESSION_CACHE */
+#endif /* NO_SESSION_CACHE */
+
+
+void wolfSSL_load_error_strings(void) /* compatibility only */
+{}
+
+
+int wolfSSL_library_init(void)
+{
+ WOLFSSL_ENTER("SSL_library_init");
+ if (wolfSSL_Init() == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+ else
+ return WOLFSSL_FATAL_ERROR;
+}
+
+
+#ifdef HAVE_SECRET_CALLBACK
+
+int wolfSSL_set_session_secret_cb(WOLFSSL* ssl, SessionSecretCb cb, void* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_set_session_secret_cb");
+ if (ssl == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ ssl->sessionSecretCb = cb;
+ ssl->sessionSecretCtx = ctx;
+ /* If using a pre-set key, assume session resumption. */
+ ssl->session.sessionIDSz = 0;
+ ssl->options.resuming = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif
+
+
+#ifndef NO_SESSION_CACHE
+
+/* on by default if built in but allow user to turn off */
+long wolfSSL_CTX_set_session_cache_mode(WOLFSSL_CTX* ctx, long mode)
+{
+ WOLFSSL_ENTER("SSL_CTX_set_session_cache_mode");
+ if (mode == WOLFSSL_SESS_CACHE_OFF)
+ ctx->sessionCacheOff = 1;
+
+ if ((mode & WOLFSSL_SESS_CACHE_NO_AUTO_CLEAR) != 0)
+ ctx->sessionCacheFlushOff = 1;
+
+#ifdef HAVE_EXT_CACHE
+ if ((mode & WOLFSSL_SESS_CACHE_NO_INTERNAL_STORE) != 0)
+ ctx->internalCacheOff = 1;
+#endif
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_SESSION_CACHE */
+
+
+#if !defined(NO_CERTS)
+#if defined(PERSIST_CERT_CACHE)
+
+
+#define WOLFSSL_CACHE_CERT_VERSION 1
+
+typedef struct {
+ int version; /* cache cert layout version id */
+ int rows; /* hash table rows, CA_TABLE_SIZE */
+ int columns[CA_TABLE_SIZE]; /* columns per row on list */
+ int signerSz; /* sizeof Signer object */
+} CertCacheHeader;
+
+/* current cert persistence layout is:
+
+ 1) CertCacheHeader
+ 2) caTable
+
+ update WOLFSSL_CERT_CACHE_VERSION if change layout for the following
+ PERSIST_CERT_CACHE functions
+*/
+
+
+/* Return memory needed to persist this signer, have lock */
+static WC_INLINE int GetSignerMemory(Signer* signer)
+{
+ int sz = sizeof(signer->pubKeySize) + sizeof(signer->keyOID)
+ + sizeof(signer->nameLen) + sizeof(signer->subjectNameHash);
+
+#if !defined(NO_SKID)
+ sz += (int)sizeof(signer->subjectKeyIdHash);
+#endif
+
+ /* add dynamic bytes needed */
+ sz += signer->pubKeySize;
+ sz += signer->nameLen;
+
+ return sz;
+}
+
+
+/* Return memory needed to persist this row, have lock */
+static WC_INLINE int GetCertCacheRowMemory(Signer* row)
+{
+ int sz = 0;
+
+ while (row) {
+ sz += GetSignerMemory(row);
+ row = row->next;
+ }
+
+ return sz;
+}
+
+
+/* get the size of persist cert cache, have lock */
+static WC_INLINE int GetCertCacheMemSize(WOLFSSL_CERT_MANAGER* cm)
+{
+ int sz;
+ int i;
+
+ sz = sizeof(CertCacheHeader);
+
+ for (i = 0; i < CA_TABLE_SIZE; i++)
+ sz += GetCertCacheRowMemory(cm->caTable[i]);
+
+ return sz;
+}
+
+
+/* Store cert cache header columns with number of items per list, have lock */
+static WC_INLINE void SetCertHeaderColumns(WOLFSSL_CERT_MANAGER* cm, int* columns)
+{
+ int i;
+ Signer* row;
+
+ for (i = 0; i < CA_TABLE_SIZE; i++) {
+ int count = 0;
+ row = cm->caTable[i];
+
+ while (row) {
+ ++count;
+ row = row->next;
+ }
+ columns[i] = count;
+ }
+}
+
+
+/* Restore whole cert row from memory, have lock, return bytes consumed,
+ < 0 on error, have lock */
+static WC_INLINE int RestoreCertRow(WOLFSSL_CERT_MANAGER* cm, byte* current,
+ int row, int listSz, const byte* end)
+{
+ int idx = 0;
+
+ if (listSz < 0) {
+ WOLFSSL_MSG("Row header corrupted, negative value");
+ return PARSE_ERROR;
+ }
+
+ while (listSz) {
+ Signer* signer;
+ byte* start = current + idx; /* for end checks on this signer */
+ int minSz = sizeof(signer->pubKeySize) + sizeof(signer->keyOID) +
+ sizeof(signer->nameLen) + sizeof(signer->subjectNameHash);
+ #ifndef NO_SKID
+ minSz += (int)sizeof(signer->subjectKeyIdHash);
+ #endif
+
+ if (start + minSz > end) {
+ WOLFSSL_MSG("Would overread restore buffer");
+ return BUFFER_E;
+ }
+ signer = MakeSigner(cm->heap);
+ if (signer == NULL)
+ return MEMORY_E;
+
+ /* pubKeySize */
+ XMEMCPY(&signer->pubKeySize, current + idx, sizeof(signer->pubKeySize));
+ idx += (int)sizeof(signer->pubKeySize);
+
+ /* keyOID */
+ XMEMCPY(&signer->keyOID, current + idx, sizeof(signer->keyOID));
+ idx += (int)sizeof(signer->keyOID);
+
+ /* pulicKey */
+ if (start + minSz + signer->pubKeySize > end) {
+ WOLFSSL_MSG("Would overread restore buffer");
+ FreeSigner(signer, cm->heap);
+ return BUFFER_E;
+ }
+ signer->publicKey = (byte*)XMALLOC(signer->pubKeySize, cm->heap,
+ DYNAMIC_TYPE_KEY);
+ if (signer->publicKey == NULL) {
+ FreeSigner(signer, cm->heap);
+ return MEMORY_E;
+ }
+
+ XMEMCPY(signer->publicKey, current + idx, signer->pubKeySize);
+ idx += signer->pubKeySize;
+
+ /* nameLen */
+ XMEMCPY(&signer->nameLen, current + idx, sizeof(signer->nameLen));
+ idx += (int)sizeof(signer->nameLen);
+
+ /* name */
+ if (start + minSz + signer->pubKeySize + signer->nameLen > end) {
+ WOLFSSL_MSG("Would overread restore buffer");
+ FreeSigner(signer, cm->heap);
+ return BUFFER_E;
+ }
+ signer->name = (char*)XMALLOC(signer->nameLen, cm->heap,
+ DYNAMIC_TYPE_SUBJECT_CN);
+ if (signer->name == NULL) {
+ FreeSigner(signer, cm->heap);
+ return MEMORY_E;
+ }
+
+ XMEMCPY(signer->name, current + idx, signer->nameLen);
+ idx += signer->nameLen;
+
+ /* subjectNameHash */
+ XMEMCPY(signer->subjectNameHash, current + idx, SIGNER_DIGEST_SIZE);
+ idx += SIGNER_DIGEST_SIZE;
+
+ #ifndef NO_SKID
+ /* subjectKeyIdHash */
+ XMEMCPY(signer->subjectKeyIdHash, current + idx,SIGNER_DIGEST_SIZE);
+ idx += SIGNER_DIGEST_SIZE;
+ #endif
+
+ signer->next = cm->caTable[row];
+ cm->caTable[row] = signer;
+
+ --listSz;
+ }
+
+ return idx;
+}
+
+
+/* Store whole cert row into memory, have lock, return bytes added */
+static WC_INLINE int StoreCertRow(WOLFSSL_CERT_MANAGER* cm, byte* current, int row)
+{
+ int added = 0;
+ Signer* list = cm->caTable[row];
+
+ while (list) {
+ XMEMCPY(current + added, &list->pubKeySize, sizeof(list->pubKeySize));
+ added += (int)sizeof(list->pubKeySize);
+
+ XMEMCPY(current + added, &list->keyOID, sizeof(list->keyOID));
+ added += (int)sizeof(list->keyOID);
+
+ XMEMCPY(current + added, list->publicKey, list->pubKeySize);
+ added += list->pubKeySize;
+
+ XMEMCPY(current + added, &list->nameLen, sizeof(list->nameLen));
+ added += (int)sizeof(list->nameLen);
+
+ XMEMCPY(current + added, list->name, list->nameLen);
+ added += list->nameLen;
+
+ XMEMCPY(current + added, list->subjectNameHash, SIGNER_DIGEST_SIZE);
+ added += SIGNER_DIGEST_SIZE;
+
+ #ifndef NO_SKID
+ XMEMCPY(current + added, list->subjectKeyIdHash,SIGNER_DIGEST_SIZE);
+ added += SIGNER_DIGEST_SIZE;
+ #endif
+
+ list = list->next;
+ }
+
+ return added;
+}
+
+
+/* Persist cert cache to memory, have lock */
+static WC_INLINE int DoMemSaveCertCache(WOLFSSL_CERT_MANAGER* cm,
+ void* mem, int sz)
+{
+ int realSz;
+ int ret = WOLFSSL_SUCCESS;
+ int i;
+
+ WOLFSSL_ENTER("DoMemSaveCertCache");
+
+ realSz = GetCertCacheMemSize(cm);
+ if (realSz > sz) {
+ WOLFSSL_MSG("Mem output buffer too small");
+ ret = BUFFER_E;
+ }
+ else {
+ byte* current;
+ CertCacheHeader hdr;
+
+ hdr.version = WOLFSSL_CACHE_CERT_VERSION;
+ hdr.rows = CA_TABLE_SIZE;
+ SetCertHeaderColumns(cm, hdr.columns);
+ hdr.signerSz = (int)sizeof(Signer);
+
+ XMEMCPY(mem, &hdr, sizeof(CertCacheHeader));
+ current = (byte*)mem + sizeof(CertCacheHeader);
+
+ for (i = 0; i < CA_TABLE_SIZE; ++i)
+ current += StoreCertRow(cm, current, i);
+ }
+
+ return ret;
+}
+
+
+#if !defined(NO_FILESYSTEM)
+
+/* Persist cert cache to file */
+int CM_SaveCertCache(WOLFSSL_CERT_MANAGER* cm, const char* fname)
+{
+ XFILE file;
+ int rc = WOLFSSL_SUCCESS;
+ int memSz;
+ byte* mem;
+
+ WOLFSSL_ENTER("CM_SaveCertCache");
+
+ file = XFOPEN(fname, "w+b");
+ if (file == XBADFILE) {
+ WOLFSSL_MSG("Couldn't open cert cache save file");
+ return WOLFSSL_BAD_FILE;
+ }
+
+ if (wc_LockMutex(&cm->caLock) != 0) {
+ WOLFSSL_MSG("wc_LockMutex on caLock failed");
+ XFCLOSE(file);
+ return BAD_MUTEX_E;
+ }
+
+ memSz = GetCertCacheMemSize(cm);
+ mem = (byte*)XMALLOC(memSz, cm->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (mem == NULL) {
+ WOLFSSL_MSG("Alloc for tmp buffer failed");
+ rc = MEMORY_E;
+ } else {
+ rc = DoMemSaveCertCache(cm, mem, memSz);
+ if (rc == WOLFSSL_SUCCESS) {
+ int ret = (int)XFWRITE(mem, memSz, 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Cert cache file write failed");
+ rc = FWRITE_ERROR;
+ }
+ }
+ XFREE(mem, cm->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+
+ wc_UnLockMutex(&cm->caLock);
+ XFCLOSE(file);
+
+ return rc;
+}
+
+
+/* Restore cert cache from file */
+int CM_RestoreCertCache(WOLFSSL_CERT_MANAGER* cm, const char* fname)
+{
+ XFILE file;
+ int rc = WOLFSSL_SUCCESS;
+ int ret;
+ int memSz;
+ byte* mem;
+
+ WOLFSSL_ENTER("CM_RestoreCertCache");
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE) {
+ WOLFSSL_MSG("Couldn't open cert cache save file");
+ return WOLFSSL_BAD_FILE;
+ }
+
+ XFSEEK(file, 0, XSEEK_END);
+ memSz = (int)XFTELL(file);
+ XREWIND(file);
+
+ if (memSz <= 0) {
+ WOLFSSL_MSG("Bad file size");
+ XFCLOSE(file);
+ return WOLFSSL_BAD_FILE;
+ }
+
+ mem = (byte*)XMALLOC(memSz, cm->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (mem == NULL) {
+ WOLFSSL_MSG("Alloc for tmp buffer failed");
+ XFCLOSE(file);
+ return MEMORY_E;
+ }
+
+ ret = (int)XFREAD(mem, memSz, 1, file);
+ if (ret != 1) {
+ WOLFSSL_MSG("Cert file read error");
+ rc = FREAD_ERROR;
+ } else {
+ rc = CM_MemRestoreCertCache(cm, mem, memSz);
+ if (rc != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Mem restore cert cache failed");
+ }
+ }
+
+ XFREE(mem, cm->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ XFCLOSE(file);
+
+ return rc;
+}
+
+#endif /* NO_FILESYSTEM */
+
+
+/* Persist cert cache to memory */
+int CM_MemSaveCertCache(WOLFSSL_CERT_MANAGER* cm, void* mem, int sz, int* used)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("CM_MemSaveCertCache");
+
+ if (wc_LockMutex(&cm->caLock) != 0) {
+ WOLFSSL_MSG("wc_LockMutex on caLock failed");
+ return BAD_MUTEX_E;
+ }
+
+ ret = DoMemSaveCertCache(cm, mem, sz);
+ if (ret == WOLFSSL_SUCCESS)
+ *used = GetCertCacheMemSize(cm);
+
+ wc_UnLockMutex(&cm->caLock);
+
+ return ret;
+}
+
+
+/* Restore cert cache from memory */
+int CM_MemRestoreCertCache(WOLFSSL_CERT_MANAGER* cm, const void* mem, int sz)
+{
+ int ret = WOLFSSL_SUCCESS;
+ int i;
+ CertCacheHeader* hdr = (CertCacheHeader*)mem;
+ byte* current = (byte*)mem + sizeof(CertCacheHeader);
+ byte* end = (byte*)mem + sz; /* don't go over */
+
+ WOLFSSL_ENTER("CM_MemRestoreCertCache");
+
+ if (current > end) {
+ WOLFSSL_MSG("Cert Cache Memory buffer too small");
+ return BUFFER_E;
+ }
+
+ if (hdr->version != WOLFSSL_CACHE_CERT_VERSION ||
+ hdr->rows != CA_TABLE_SIZE ||
+ hdr->signerSz != (int)sizeof(Signer)) {
+
+ WOLFSSL_MSG("Cert Cache Memory header mismatch");
+ return CACHE_MATCH_ERROR;
+ }
+
+ if (wc_LockMutex(&cm->caLock) != 0) {
+ WOLFSSL_MSG("wc_LockMutex on caLock failed");
+ return BAD_MUTEX_E;
+ }
+
+ FreeSignerTable(cm->caTable, CA_TABLE_SIZE, cm->heap);
+
+ for (i = 0; i < CA_TABLE_SIZE; ++i) {
+ int added = RestoreCertRow(cm, current, i, hdr->columns[i], end);
+ if (added < 0) {
+ WOLFSSL_MSG("RestoreCertRow error");
+ ret = added;
+ break;
+ }
+ current += added;
+ }
+
+ wc_UnLockMutex(&cm->caLock);
+
+ return ret;
+}
+
+
+/* get how big the the cert cache save buffer needs to be */
+int CM_GetCertCacheMemSize(WOLFSSL_CERT_MANAGER* cm)
+{
+ int sz;
+
+ WOLFSSL_ENTER("CM_GetCertCacheMemSize");
+
+ if (wc_LockMutex(&cm->caLock) != 0) {
+ WOLFSSL_MSG("wc_LockMutex on caLock failed");
+ return BAD_MUTEX_E;
+ }
+
+ sz = GetCertCacheMemSize(cm);
+
+ wc_UnLockMutex(&cm->caLock);
+
+ return sz;
+}
+
+#endif /* PERSIST_CERT_CACHE */
+#endif /* NO_CERTS */
+
+
+int wolfSSL_CTX_set_cipher_list(WOLFSSL_CTX* ctx, const char* list)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_cipher_list");
+
+ /* alloc/init on demand only */
+ if (ctx->suites == NULL) {
+ ctx->suites = (Suites*)XMALLOC(sizeof(Suites), ctx->heap,
+ DYNAMIC_TYPE_SUITES);
+ if (ctx->suites == NULL) {
+ WOLFSSL_MSG("Memory alloc for Suites failed");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(ctx->suites, 0, sizeof(Suites));
+ }
+
+ return (SetCipherList(ctx, ctx->suites, list)) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_set_cipher_list(WOLFSSL* ssl, const char* list)
+{
+ WOLFSSL_ENTER("wolfSSL_set_cipher_list");
+ return (SetCipherList(ssl->ctx, ssl->suites, list)) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_dtls_get_using_nonblock(WOLFSSL* ssl)
+{
+ int useNb = 0;
+
+ WOLFSSL_ENTER("wolfSSL_dtls_get_using_nonblock");
+ if (ssl->options.dtls) {
+#ifdef WOLFSSL_DTLS
+ useNb = ssl->options.dtlsUseNonblock;
+#endif
+ }
+ else {
+ WOLFSSL_MSG("wolfSSL_dtls_get_using_nonblock() is "
+ "DEPRECATED for non-DTLS use.");
+ }
+ return useNb;
+}
+
+
+#ifndef WOLFSSL_LEANPSK
+
+void wolfSSL_dtls_set_using_nonblock(WOLFSSL* ssl, int nonblock)
+{
+ (void)nonblock;
+
+ WOLFSSL_ENTER("wolfSSL_dtls_set_using_nonblock");
+ if (ssl->options.dtls) {
+#ifdef WOLFSSL_DTLS
+ ssl->options.dtlsUseNonblock = (nonblock != 0);
+#endif
+ }
+ else {
+ WOLFSSL_MSG("wolfSSL_dtls_set_using_nonblock() is "
+ "DEPRECATED for non-DTLS use.");
+ }
+}
+
+
+#ifdef WOLFSSL_DTLS
+
+int wolfSSL_dtls_get_current_timeout(WOLFSSL* ssl)
+{
+ return ssl->dtls_timeout;
+}
+
+
+/* user may need to alter init dtls recv timeout, WOLFSSL_SUCCESS on ok */
+int wolfSSL_dtls_set_timeout_init(WOLFSSL* ssl, int timeout)
+{
+ if (ssl == NULL || timeout < 0)
+ return BAD_FUNC_ARG;
+
+ if (timeout > ssl->dtls_timeout_max) {
+ WOLFSSL_MSG("Can't set dtls timeout init greater than dtls timeout max");
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->dtls_timeout_init = timeout;
+ ssl->dtls_timeout = timeout;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* user may need to alter max dtls recv timeout, WOLFSSL_SUCCESS on ok */
+int wolfSSL_dtls_set_timeout_max(WOLFSSL* ssl, int timeout)
+{
+ if (ssl == NULL || timeout < 0)
+ return BAD_FUNC_ARG;
+
+ if (timeout < ssl->dtls_timeout_init) {
+ WOLFSSL_MSG("Can't set dtls timeout max less than dtls timeout init");
+ return BAD_FUNC_ARG;
+ }
+
+ ssl->dtls_timeout_max = timeout;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_dtls_got_timeout(WOLFSSL* ssl)
+{
+ int result = WOLFSSL_SUCCESS;
+
+ if (!ssl->options.handShakeDone &&
+ (DtlsMsgPoolTimeout(ssl) < 0 || DtlsMsgPoolSend(ssl, 0) < 0)) {
+
+ result = WOLFSSL_FATAL_ERROR;
+ }
+ return result;
+}
+
+#endif /* DTLS */
+#endif /* LEANPSK */
+
+
+#if defined(WOLFSSL_DTLS) && !defined(NO_WOLFSSL_SERVER)
+
+/* Not an SSL function, return 0 for success, error code otherwise */
+/* Prereq: ssl's RNG needs to be initialized. */
+int wolfSSL_DTLS_SetCookieSecret(WOLFSSL* ssl,
+ const byte* secret, word32 secretSz)
+{
+ int ret = 0;
+
+ WOLFSSL_ENTER("wolfSSL_DTLS_SetCookieSecret");
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("need a SSL object");
+ return BAD_FUNC_ARG;
+ }
+
+ if (secret != NULL && secretSz == 0) {
+ WOLFSSL_MSG("can't have a new secret without a size");
+ return BAD_FUNC_ARG;
+ }
+
+ /* If secretSz is 0, use the default size. */
+ if (secretSz == 0)
+ secretSz = COOKIE_SECRET_SZ;
+
+ if (secretSz != ssl->buffers.dtlsCookieSecret.length) {
+ byte* newSecret;
+
+ if (ssl->buffers.dtlsCookieSecret.buffer != NULL) {
+ ForceZero(ssl->buffers.dtlsCookieSecret.buffer,
+ ssl->buffers.dtlsCookieSecret.length);
+ XFREE(ssl->buffers.dtlsCookieSecret.buffer,
+ ssl->heap, DYNAMIC_TYPE_NONE);
+ }
+
+ newSecret = (byte*)XMALLOC(secretSz, ssl->heap,DYNAMIC_TYPE_COOKIE_PWD);
+ if (newSecret == NULL) {
+ ssl->buffers.dtlsCookieSecret.buffer = NULL;
+ ssl->buffers.dtlsCookieSecret.length = 0;
+ WOLFSSL_MSG("couldn't allocate new cookie secret");
+ return MEMORY_ERROR;
+ }
+ ssl->buffers.dtlsCookieSecret.buffer = newSecret;
+ ssl->buffers.dtlsCookieSecret.length = secretSz;
+ }
+
+ /* If the supplied secret is NULL, randomly generate a new secret. */
+ if (secret == NULL) {
+ ret = wc_RNG_GenerateBlock(ssl->rng,
+ ssl->buffers.dtlsCookieSecret.buffer, secretSz);
+ }
+ else
+ XMEMCPY(ssl->buffers.dtlsCookieSecret.buffer, secret, secretSz);
+
+ WOLFSSL_LEAVE("wolfSSL_DTLS_SetCookieSecret", 0);
+ return ret;
+}
+
+#endif /* WOLFSSL_DTLS && !NO_WOLFSSL_SERVER */
+
+#ifdef OPENSSL_EXTRA
+ WOLFSSL_METHOD* wolfSSLv23_method(void) {
+ WOLFSSL_METHOD* m = NULL;
+ WOLFSSL_ENTER("wolfSSLv23_method");
+#if !defined(NO_WOLFSSL_CLIENT)
+ m = wolfSSLv23_client_method();
+#elif !defined(NO_WOLFSSL_SERVER)
+ m = wolfSSLv23_server_method();
+#endif
+ if (m != NULL) {
+ m->side = WOLFSSL_NEITHER_END;
+ }
+
+ return m;
+ }
+#endif /* OPENSSL_EXTRA */
+
+/* client only parts */
+#ifndef NO_WOLFSSL_CLIENT
+
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ WOLFSSL_METHOD* wolfSSLv3_client_method(void)
+ {
+ WOLFSSL_ENTER("SSLv3_client_method");
+ return wolfSSLv3_client_method_ex(NULL);
+ }
+ #endif
+
+ #ifdef WOLFSSL_DTLS
+
+ #ifndef NO_OLD_TLS
+ WOLFSSL_METHOD* wolfDTLSv1_client_method(void)
+ {
+ WOLFSSL_ENTER("DTLSv1_client_method");
+ return wolfDTLSv1_client_method_ex(NULL);
+ }
+ #endif /* NO_OLD_TLS */
+
+ WOLFSSL_METHOD* wolfDTLSv1_2_client_method(void)
+ {
+ WOLFSSL_ENTER("DTLSv1_2_client_method");
+ return wolfDTLSv1_2_client_method_ex(NULL);
+ }
+ #endif
+
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ WOLFSSL_METHOD* wolfSSLv3_client_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("SSLv3_client_method_ex");
+ if (method)
+ InitSSL_Method(method, MakeSSLv3());
+ return method;
+ }
+ #endif
+
+ #ifdef WOLFSSL_DTLS
+
+ #ifndef NO_OLD_TLS
+ WOLFSSL_METHOD* wolfDTLSv1_client_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("DTLSv1_client_method_ex");
+ if (method)
+ InitSSL_Method(method, MakeDTLSv1());
+ return method;
+ }
+ #endif /* NO_OLD_TLS */
+
+ WOLFSSL_METHOD* wolfDTLSv1_2_client_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("DTLSv1_2_client_method_ex");
+ if (method)
+ InitSSL_Method(method, MakeDTLSv1_2());
+ (void)heap;
+ return method;
+ }
+ #endif
+
+ /* If SCTP is not enabled returns the state of the dtls option.
+ * If SCTP is enabled returns dtls && !sctp. */
+ static WC_INLINE int IsDtlsNotSctpMode(WOLFSSL* ssl)
+ {
+ int result = ssl->options.dtls;
+
+ if (result) {
+ #ifdef WOLFSSL_SCTP
+ result = !ssl->options.dtlsSctp;
+ #endif
+ }
+
+ return result;
+ }
+
+
+ /* please see note at top of README if you get an error from connect */
+ int wolfSSL_connect(WOLFSSL* ssl)
+ {
+ #ifndef WOLFSSL_NO_TLS12
+ int neededState;
+ #endif
+
+ WOLFSSL_ENTER("SSL_connect()");
+
+ #ifdef HAVE_ERRNO_H
+ errno = 0;
+ #endif
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ #ifdef OPENSSL_EXTRA
+ if (ssl->CBIS != NULL) {
+ ssl->CBIS(ssl, SSL_ST_CONNECT, SSL_SUCCESS);
+ ssl->cbmode = SSL_CB_WRITE;
+ }
+ #endif
+ if (ssl->options.side != WOLFSSL_CLIENT_END) {
+ WOLFSSL_ERROR(ssl->error = SIDE_ERROR);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ #ifdef WOLFSSL_NO_TLS12
+ return wolfSSL_connect_TLSv13(ssl);
+ #else
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+ #endif
+
+ #ifdef WOLFSSL_DTLS
+ if (ssl->version.major == DTLS_MAJOR) {
+ ssl->options.dtls = 1;
+ ssl->options.tls = 1;
+ ssl->options.tls1_1 = 1;
+ }
+ #endif
+
+ if (ssl->buffers.outputBuffer.length > 0) {
+ if ( (ssl->error = SendBuffered(ssl)) == 0) {
+ /* fragOffset is non-zero when sending fragments. On the last
+ * fragment, fragOffset is zero again, and the state can be
+ * advanced. */
+ if (ssl->fragOffset == 0) {
+ ssl->options.connectState++;
+ WOLFSSL_MSG("connect state: "
+ "Advanced from last buffered fragment send");
+ }
+ else {
+ WOLFSSL_MSG("connect state: "
+ "Not advanced, more fragments to send");
+ }
+ }
+ else {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+#ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+#endif
+
+ switch (ssl->options.connectState) {
+
+ case CONNECT_BEGIN :
+ /* always send client hello first */
+ if ( (ssl->error = SendClientHello(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.connectState = CLIENT_HELLO_SENT;
+ WOLFSSL_MSG("connect state: CLIENT_HELLO_SENT");
+ FALL_THROUGH;
+
+ case CLIENT_HELLO_SENT :
+ neededState = ssl->options.resuming ? SERVER_FINISHED_COMPLETE :
+ SERVER_HELLODONE_COMPLETE;
+ #ifdef WOLFSSL_DTLS
+ /* In DTLS, when resuming, we can go straight to FINISHED,
+ * or do a cookie exchange and then skip to FINISHED, assume
+ * we need the cookie exchange first. */
+ if (IsDtlsNotSctpMode(ssl))
+ neededState = SERVER_HELLOVERIFYREQUEST_COMPLETE;
+ #endif
+ /* get response */
+ while (ssl->options.serverState < neededState) {
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+ #endif
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ /* if resumption failed, reset needed state */
+ else if (neededState == SERVER_FINISHED_COMPLETE)
+ if (!ssl->options.resuming) {
+ if (!IsDtlsNotSctpMode(ssl))
+ neededState = SERVER_HELLODONE_COMPLETE;
+ else
+ neededState = SERVER_HELLOVERIFYREQUEST_COMPLETE;
+ }
+ }
+
+ ssl->options.connectState = HELLO_AGAIN;
+ WOLFSSL_MSG("connect state: HELLO_AGAIN");
+ FALL_THROUGH;
+
+ case HELLO_AGAIN :
+ if (ssl->options.certOnly)
+ return WOLFSSL_SUCCESS;
+
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+ #endif
+
+ #ifdef WOLFSSL_DTLS
+ if (IsDtlsNotSctpMode(ssl)) {
+ /* re-init hashes, exclude first hello and verify request */
+ if ((ssl->error = InitHandshakeHashes(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ if ( (ssl->error = SendClientHello(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ #endif
+
+ ssl->options.connectState = HELLO_AGAIN_REPLY;
+ WOLFSSL_MSG("connect state: HELLO_AGAIN_REPLY");
+ FALL_THROUGH;
+
+ case HELLO_AGAIN_REPLY :
+ #ifdef WOLFSSL_DTLS
+ if (IsDtlsNotSctpMode(ssl)) {
+ neededState = ssl->options.resuming ?
+ SERVER_FINISHED_COMPLETE : SERVER_HELLODONE_COMPLETE;
+
+ /* get response */
+ while (ssl->options.serverState < neededState) {
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ /* if resumption failed, reset needed state */
+ if (neededState == SERVER_FINISHED_COMPLETE) {
+ if (!ssl->options.resuming)
+ neededState = SERVER_HELLODONE_COMPLETE;
+ }
+ }
+ }
+ #endif
+
+ ssl->options.connectState = FIRST_REPLY_DONE;
+ WOLFSSL_MSG("connect state: FIRST_REPLY_DONE");
+ FALL_THROUGH;
+
+ case FIRST_REPLY_DONE :
+ #if !defined(NO_CERTS) && !defined(WOLFSSL_NO_CLIENT_AUTH)
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+ #endif
+ if (ssl->options.sendVerify) {
+ if ( (ssl->error = SendCertificate(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_MSG("sent: certificate");
+ }
+
+ #endif
+ ssl->options.connectState = FIRST_REPLY_FIRST;
+ WOLFSSL_MSG("connect state: FIRST_REPLY_FIRST");
+ FALL_THROUGH;
+
+ case FIRST_REPLY_FIRST :
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_connect_TLSv13(ssl);
+ #endif
+ if (!ssl->options.resuming) {
+ if ( (ssl->error = SendClientKeyExchange(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_MSG("sent: client key exchange");
+ }
+
+ ssl->options.connectState = FIRST_REPLY_SECOND;
+ WOLFSSL_MSG("connect state: FIRST_REPLY_SECOND");
+ FALL_THROUGH;
+
+ case FIRST_REPLY_SECOND :
+ #if !defined(NO_CERTS) && !defined(WOLFSSL_NO_CLIENT_AUTH)
+ if (ssl->options.sendVerify) {
+ if ( (ssl->error = SendCertificateVerify(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_MSG("sent: certificate verify");
+ }
+ #endif /* !NO_CERTS && !WOLFSSL_NO_CLIENT_AUTH */
+ ssl->options.connectState = FIRST_REPLY_THIRD;
+ WOLFSSL_MSG("connect state: FIRST_REPLY_THIRD");
+ FALL_THROUGH;
+
+ case FIRST_REPLY_THIRD :
+ if ( (ssl->error = SendChangeCipher(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_MSG("sent: change cipher spec");
+ ssl->options.connectState = FIRST_REPLY_FOURTH;
+ WOLFSSL_MSG("connect state: FIRST_REPLY_FOURTH");
+ FALL_THROUGH;
+
+ case FIRST_REPLY_FOURTH :
+ if ( (ssl->error = SendFinished(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ WOLFSSL_MSG("sent: finished");
+ ssl->options.connectState = FINISHED_DONE;
+ WOLFSSL_MSG("connect state: FINISHED_DONE");
+ FALL_THROUGH;
+
+ case FINISHED_DONE :
+ /* get response */
+ while (ssl->options.serverState < SERVER_FINISHED_COMPLETE)
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ssl->options.connectState = SECOND_REPLY_DONE;
+ WOLFSSL_MSG("connect state: SECOND_REPLY_DONE");
+ FALL_THROUGH;
+
+ case SECOND_REPLY_DONE:
+#ifndef NO_HANDSHAKE_DONE_CB
+ if (ssl->hsDoneCb) {
+ int cbret = ssl->hsDoneCb(ssl, ssl->hsDoneCtx);
+ if (cbret < 0) {
+ ssl->error = cbret;
+ WOLFSSL_MSG("HandShake Done Cb don't continue error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif /* NO_HANDSHAKE_DONE_CB */
+
+ if (!ssl->options.dtls) {
+ if (!ssl->options.keepResources) {
+ FreeHandshakeResources(ssl);
+ }
+ }
+#ifdef WOLFSSL_DTLS
+ else {
+ ssl->options.dtlsHsRetain = 1;
+ }
+#endif /* WOLFSSL_DTLS */
+
+ WOLFSSL_LEAVE("SSL_connect()", WOLFSSL_SUCCESS);
+ return WOLFSSL_SUCCESS;
+
+ default:
+ WOLFSSL_MSG("Unknown connect state ERROR");
+ return WOLFSSL_FATAL_ERROR; /* unknown connect state */
+ }
+ #endif /* !WOLFSSL_NO_TLS12 */
+ }
+
+#endif /* NO_WOLFSSL_CLIENT */
+
+
+/* server only parts */
+#ifndef NO_WOLFSSL_SERVER
+
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ WOLFSSL_METHOD* wolfSSLv3_server_method(void)
+ {
+ WOLFSSL_ENTER("SSLv3_server_method");
+ return wolfSSLv3_server_method_ex(NULL);
+ }
+ #endif
+
+
+ #ifdef WOLFSSL_DTLS
+
+ #ifndef NO_OLD_TLS
+ WOLFSSL_METHOD* wolfDTLSv1_server_method(void)
+ {
+ WOLFSSL_ENTER("DTLSv1_server_method");
+ return wolfDTLSv1_server_method_ex(NULL);
+ }
+ #endif /* NO_OLD_TLS */
+
+ WOLFSSL_METHOD* wolfDTLSv1_2_server_method(void)
+ {
+ WOLFSSL_ENTER("DTLSv1_2_server_method");
+ return wolfDTLSv1_2_server_method_ex(NULL);
+ }
+ #endif
+
+ #if defined(WOLFSSL_ALLOW_SSLV3) && !defined(NO_OLD_TLS)
+ WOLFSSL_METHOD* wolfSSLv3_server_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("SSLv3_server_method_ex");
+ if (method) {
+ InitSSL_Method(method, MakeSSLv3());
+ method->side = WOLFSSL_SERVER_END;
+ }
+ return method;
+ }
+ #endif
+
+
+ #ifdef WOLFSSL_DTLS
+
+ #ifndef NO_OLD_TLS
+ WOLFSSL_METHOD* wolfDTLSv1_server_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("DTLSv1_server_method_ex");
+ if (method) {
+ InitSSL_Method(method, MakeDTLSv1());
+ method->side = WOLFSSL_SERVER_END;
+ }
+ return method;
+ }
+ #endif /* NO_OLD_TLS */
+
+ WOLFSSL_METHOD* wolfDTLSv1_2_server_method_ex(void* heap)
+ {
+ WOLFSSL_METHOD* method =
+ (WOLFSSL_METHOD*) XMALLOC(sizeof(WOLFSSL_METHOD),
+ heap, DYNAMIC_TYPE_METHOD);
+ WOLFSSL_ENTER("DTLSv1_2_server_method_ex");
+ if (method) {
+ InitSSL_Method(method, MakeDTLSv1_2());
+ method->side = WOLFSSL_SERVER_END;
+ }
+ (void)heap;
+ return method;
+ }
+ #endif
+
+
+ int wolfSSL_accept(WOLFSSL* ssl)
+ {
+#ifndef WOLFSSL_NO_TLS12
+ word16 havePSK = 0;
+ word16 haveAnon = 0;
+ word16 haveMcast = 0;
+#endif
+
+#ifdef WOLFSSL_NO_TLS12
+ return wolfSSL_accept_TLSv13(ssl);
+#else
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3)
+ return wolfSSL_accept_TLSv13(ssl);
+ #endif
+ WOLFSSL_ENTER("SSL_accept()");
+
+ #ifdef HAVE_ERRNO_H
+ errno = 0;
+ #endif
+
+ #ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+ #endif
+ (void)havePSK;
+
+ #ifdef HAVE_ANON
+ haveAnon = ssl->options.haveAnon;
+ #endif
+ (void)haveAnon;
+
+ #ifdef WOLFSSL_MULTICAST
+ haveMcast = ssl->options.haveMcast;
+ #endif
+ (void)haveMcast;
+
+ if (ssl->options.side != WOLFSSL_SERVER_END) {
+ WOLFSSL_ERROR(ssl->error = SIDE_ERROR);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ #ifndef NO_CERTS
+ /* in case used set_accept_state after init */
+ /* allow no private key if using PK callbacks and CB is set */
+ if (!havePSK && !haveAnon && !haveMcast) {
+ if (!ssl->buffers.certificate ||
+ !ssl->buffers.certificate->buffer) {
+
+ WOLFSSL_MSG("accept error: server cert required");
+ WOLFSSL_ERROR(ssl->error = NO_PRIVATE_KEY);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ #ifdef HAVE_PK_CALLBACKS
+ if (wolfSSL_CTX_IsPrivatePkSet(ssl->ctx)) {
+ WOLFSSL_MSG("Using PK for server private key");
+ }
+ else
+ #endif
+ if (!ssl->buffers.key || !ssl->buffers.key->buffer) {
+ WOLFSSL_MSG("accept error: server key required");
+ WOLFSSL_ERROR(ssl->error = NO_PRIVATE_KEY);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ #endif
+
+ #ifdef WOLFSSL_DTLS
+ if (ssl->version.major == DTLS_MAJOR) {
+ ssl->options.dtls = 1;
+ ssl->options.tls = 1;
+ ssl->options.tls1_1 = 1;
+ }
+ #endif
+
+ if (ssl->buffers.outputBuffer.length > 0) {
+ if ( (ssl->error = SendBuffered(ssl)) == 0) {
+ /* fragOffset is non-zero when sending fragments. On the last
+ * fragment, fragOffset is zero again, and the state can be
+ * advanced. */
+ if (ssl->fragOffset == 0) {
+ ssl->options.acceptState++;
+ WOLFSSL_MSG("accept state: "
+ "Advanced from last buffered fragment send");
+ }
+ else {
+ WOLFSSL_MSG("accept state: "
+ "Not advanced, more fragments to send");
+ }
+ }
+ else {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ switch (ssl->options.acceptState) {
+
+ case ACCEPT_BEGIN :
+ /* get response */
+ while (ssl->options.clientState < CLIENT_HELLO_COMPLETE)
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+#ifdef WOLFSSL_TLS13
+ ssl->options.acceptState = ACCEPT_CLIENT_HELLO_DONE;
+ WOLFSSL_MSG("accept state ACCEPT_CLIENT_HELLO_DONE");
+ FALL_THROUGH;
+
+ case ACCEPT_CLIENT_HELLO_DONE :
+ if (ssl->options.tls1_3) {
+ return wolfSSL_accept_TLSv13(ssl);
+ }
+#endif
+ ssl->options.acceptState = ACCEPT_FIRST_REPLY_DONE;
+ WOLFSSL_MSG("accept state ACCEPT_FIRST_REPLY_DONE");
+ FALL_THROUGH;
+
+ case ACCEPT_FIRST_REPLY_DONE :
+ if ( (ssl->error = SendServerHello(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.acceptState = SERVER_HELLO_SENT;
+ WOLFSSL_MSG("accept state SERVER_HELLO_SENT");
+ FALL_THROUGH;
+
+ case SERVER_HELLO_SENT :
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3) {
+ return wolfSSL_accept_TLSv13(ssl);
+ }
+ #endif
+ #ifndef NO_CERTS
+ if (!ssl->options.resuming)
+ if ( (ssl->error = SendCertificate(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ #endif
+ ssl->options.acceptState = CERT_SENT;
+ WOLFSSL_MSG("accept state CERT_SENT");
+ FALL_THROUGH;
+
+ case CERT_SENT :
+ #ifndef NO_CERTS
+ if (!ssl->options.resuming)
+ if ( (ssl->error = SendCertificateStatus(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ #endif
+ ssl->options.acceptState = CERT_STATUS_SENT;
+ WOLFSSL_MSG("accept state CERT_STATUS_SENT");
+ FALL_THROUGH;
+
+ case CERT_STATUS_SENT :
+ #ifdef WOLFSSL_TLS13
+ if (ssl->options.tls1_3) {
+ return wolfSSL_accept_TLSv13(ssl);
+ }
+ #endif
+ if (!ssl->options.resuming)
+ if ( (ssl->error = SendServerKeyExchange(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.acceptState = KEY_EXCHANGE_SENT;
+ WOLFSSL_MSG("accept state KEY_EXCHANGE_SENT");
+ FALL_THROUGH;
+
+ case KEY_EXCHANGE_SENT :
+ #ifndef NO_CERTS
+ if (!ssl->options.resuming) {
+ if (ssl->options.verifyPeer) {
+ if ( (ssl->error = SendCertificateRequest(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ }
+ #endif
+ ssl->options.acceptState = CERT_REQ_SENT;
+ WOLFSSL_MSG("accept state CERT_REQ_SENT");
+ FALL_THROUGH;
+
+ case CERT_REQ_SENT :
+ if (!ssl->options.resuming)
+ if ( (ssl->error = SendServerHelloDone(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.acceptState = SERVER_HELLO_DONE;
+ WOLFSSL_MSG("accept state SERVER_HELLO_DONE");
+ FALL_THROUGH;
+
+ case SERVER_HELLO_DONE :
+ if (!ssl->options.resuming) {
+ while (ssl->options.clientState < CLIENT_FINISHED_COMPLETE)
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ ssl->options.acceptState = ACCEPT_SECOND_REPLY_DONE;
+ WOLFSSL_MSG("accept state ACCEPT_SECOND_REPLY_DONE");
+ FALL_THROUGH;
+
+ case ACCEPT_SECOND_REPLY_DONE :
+#ifdef HAVE_SESSION_TICKET
+ if (ssl->options.createTicket) {
+ if ( (ssl->error = SendTicket(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif /* HAVE_SESSION_TICKET */
+ ssl->options.acceptState = TICKET_SENT;
+ WOLFSSL_MSG("accept state TICKET_SENT");
+ FALL_THROUGH;
+
+ case TICKET_SENT:
+ if ( (ssl->error = SendChangeCipher(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ ssl->options.acceptState = CHANGE_CIPHER_SENT;
+ WOLFSSL_MSG("accept state CHANGE_CIPHER_SENT");
+ FALL_THROUGH;
+
+ case CHANGE_CIPHER_SENT :
+ if ( (ssl->error = SendFinished(ssl)) != 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ssl->options.acceptState = ACCEPT_FINISHED_DONE;
+ WOLFSSL_MSG("accept state ACCEPT_FINISHED_DONE");
+ FALL_THROUGH;
+
+ case ACCEPT_FINISHED_DONE :
+ if (ssl->options.resuming)
+ while (ssl->options.clientState < CLIENT_FINISHED_COMPLETE)
+ if ( (ssl->error = ProcessReply(ssl)) < 0) {
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ssl->options.acceptState = ACCEPT_THIRD_REPLY_DONE;
+ WOLFSSL_MSG("accept state ACCEPT_THIRD_REPLY_DONE");
+ FALL_THROUGH;
+
+ case ACCEPT_THIRD_REPLY_DONE :
+#ifndef NO_HANDSHAKE_DONE_CB
+ if (ssl->hsDoneCb) {
+ int cbret = ssl->hsDoneCb(ssl, ssl->hsDoneCtx);
+ if (cbret < 0) {
+ ssl->error = cbret;
+ WOLFSSL_MSG("HandShake Done Cb don't continue error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif /* NO_HANDSHAKE_DONE_CB */
+
+ if (!ssl->options.dtls) {
+ if (!ssl->options.keepResources) {
+ FreeHandshakeResources(ssl);
+ }
+ }
+#ifdef WOLFSSL_DTLS
+ else {
+ ssl->options.dtlsHsRetain = 1;
+ }
+#endif /* WOLFSSL_DTLS */
+
+#ifdef WOLFSSL_SESSION_EXPORT
+ if (ssl->dtls_export) {
+ if ((ssl->error = wolfSSL_send_session(ssl)) != 0) {
+ WOLFSSL_MSG("Export DTLS session error");
+ WOLFSSL_ERROR(ssl->error);
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+#endif
+
+ WOLFSSL_LEAVE("SSL_accept()", WOLFSSL_SUCCESS);
+ return WOLFSSL_SUCCESS;
+
+ default :
+ WOLFSSL_MSG("Unknown accept state ERROR");
+ return WOLFSSL_FATAL_ERROR;
+ }
+#endif /* !WOLFSSL_NO_TLS12 */
+ }
+
+#endif /* NO_WOLFSSL_SERVER */
+
+
+#ifndef NO_HANDSHAKE_DONE_CB
+
+int wolfSSL_SetHsDoneCb(WOLFSSL* ssl, HandShakeDoneCb cb, void* user_ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_SetHsDoneCb");
+
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ ssl->hsDoneCb = cb;
+ ssl->hsDoneCtx = user_ctx;
+
+
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_HANDSHAKE_DONE_CB */
+
+int wolfSSL_Cleanup(void)
+{
+ int ret = WOLFSSL_SUCCESS;
+ int release = 0;
+
+ WOLFSSL_ENTER("wolfSSL_Cleanup");
+
+ if (initRefCount == 0)
+ return ret; /* possibly no init yet, but not failure either way */
+
+ if (wc_LockMutex(&count_mutex) != 0) {
+ WOLFSSL_MSG("Bad Lock Mutex count");
+ return BAD_MUTEX_E;
+ }
+
+ release = initRefCount-- == 1;
+ if (initRefCount < 0)
+ initRefCount = 0;
+
+ wc_UnLockMutex(&count_mutex);
+
+ if (!release)
+ return ret;
+
+#ifndef NO_SESSION_CACHE
+ if (wc_FreeMutex(&session_mutex) != 0)
+ ret = BAD_MUTEX_E;
+#endif
+ if (wc_FreeMutex(&count_mutex) != 0)
+ ret = BAD_MUTEX_E;
+
+ if (wolfCrypt_Cleanup() != 0) {
+ WOLFSSL_MSG("Error with wolfCrypt_Cleanup call");
+ ret = WC_CLEANUP_E;
+ }
+
+ return ret;
+}
+
+
+#ifndef NO_SESSION_CACHE
+
+
+/* some session IDs aren't random after all, let's make them random */
+static WC_INLINE word32 HashSession(const byte* sessionID, word32 len, int* error)
+{
+ byte digest[WC_MAX_DIGEST_SIZE];
+
+#ifndef NO_MD5
+ *error = wc_Md5Hash(sessionID, len, digest);
+#elif !defined(NO_SHA)
+ *error = wc_ShaHash(sessionID, len, digest);
+#elif !defined(NO_SHA256)
+ *error = wc_Sha256Hash(sessionID, len, digest);
+#else
+ #error "We need a digest to hash the session IDs"
+#endif
+
+ return *error == 0 ? MakeWordFromHash(digest) : 0; /* 0 on failure */
+}
+
+
+void wolfSSL_flush_sessions(WOLFSSL_CTX* ctx, long tm)
+{
+ /* static table now, no flushing needed */
+ (void)ctx;
+ (void)tm;
+}
+
+
+/* set ssl session timeout in seconds */
+int wolfSSL_set_timeout(WOLFSSL* ssl, unsigned int to)
+{
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ if (to == 0)
+ to = WOLFSSL_SESSION_TIMEOUT;
+ ssl->timeout = to;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* set ctx session timeout in seconds */
+int wolfSSL_CTX_set_timeout(WOLFSSL_CTX* ctx, unsigned int to)
+{
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ if (to == 0)
+ to = WOLFSSL_SESSION_TIMEOUT;
+ ctx->timeout = to;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+#ifndef NO_CLIENT_CACHE
+
+/* Get Session from Client cache based on id/len, return NULL on failure */
+WOLFSSL_SESSION* GetSessionClient(WOLFSSL* ssl, const byte* id, int len)
+{
+ WOLFSSL_SESSION* ret = NULL;
+ word32 row;
+ int idx;
+ int count;
+ int error = 0;
+
+ WOLFSSL_ENTER("GetSessionClient");
+
+ if (ssl->ctx->sessionCacheOff)
+ return NULL;
+
+ if (ssl->options.side == WOLFSSL_SERVER_END)
+ return NULL;
+
+ len = min(SERVER_ID_LEN, (word32)len);
+
+#ifdef HAVE_EXT_CACHE
+ if (ssl->ctx->get_sess_cb != NULL) {
+ int copy = 0;
+ ret = ssl->ctx->get_sess_cb(ssl, (byte*)id, len, ©);
+ if (ret != NULL)
+ return ret;
+ }
+
+ if (ssl->ctx->internalCacheOff)
+ return NULL;
+#endif
+
+ row = HashSession(id, len, &error) % SESSION_ROWS;
+ if (error != 0) {
+ WOLFSSL_MSG("Hash session failed");
+ return NULL;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ WOLFSSL_MSG("Lock session mutex failed");
+ return NULL;
+ }
+
+ /* start from most recently used */
+ count = min((word32)ClientCache[row].totalCount, SESSIONS_PER_ROW);
+ idx = ClientCache[row].nextIdx - 1;
+ if (idx < 0)
+ idx = SESSIONS_PER_ROW - 1; /* if back to front, the previous was end */
+
+ for (; count > 0; --count, idx = idx ? idx - 1 : SESSIONS_PER_ROW - 1) {
+ WOLFSSL_SESSION* current;
+ ClientSession clSess;
+
+ if (idx >= SESSIONS_PER_ROW || idx < 0) { /* sanity check */
+ WOLFSSL_MSG("Bad idx");
+ break;
+ }
+
+ clSess = ClientCache[row].Clients[idx];
+
+ current = &SessionCache[clSess.serverRow].Sessions[clSess.serverIdx];
+ if (XMEMCMP(current->serverID, id, len) == 0) {
+ WOLFSSL_MSG("Found a serverid match for client");
+ if (LowResTimer() < (current->bornOn + current->timeout)) {
+ WOLFSSL_MSG("Session valid");
+ ret = current;
+ break;
+ } else {
+ WOLFSSL_MSG("Session timed out"); /* could have more for id */
+ }
+ } else {
+ WOLFSSL_MSG("ServerID not a match from client table");
+ }
+ }
+
+ wc_UnLockMutex(&session_mutex);
+
+ return ret;
+}
+
+#endif /* NO_CLIENT_CACHE */
+
+/* Restore the master secret and session information for certificates.
+ *
+ * ssl The SSL/TLS object.
+ * session The cached session to restore.
+ * masterSecret The master secret from the cached session.
+ * restoreSessionCerts Restoring session certificates is required.
+ */
+static WC_INLINE void RestoreSession(WOLFSSL* ssl, WOLFSSL_SESSION* session,
+ byte* masterSecret, byte restoreSessionCerts)
+{
+ (void)ssl;
+ (void)restoreSessionCerts;
+
+ if (masterSecret)
+ XMEMCPY(masterSecret, session->masterSecret, SECRET_LEN);
+#ifdef SESSION_CERTS
+ /* If set, we should copy the session certs into the ssl object
+ * from the session we are returning so we can resume */
+ if (restoreSessionCerts) {
+ ssl->session.chain = session->chain;
+ ssl->session.version = session->version;
+ ssl->session.cipherSuite0 = session->cipherSuite0;
+ ssl->session.cipherSuite = session->cipherSuite;
+ }
+#endif /* SESSION_CERTS */
+}
+
+WOLFSSL_SESSION* GetSession(WOLFSSL* ssl, byte* masterSecret,
+ byte restoreSessionCerts)
+{
+ WOLFSSL_SESSION* ret = 0;
+ const byte* id = NULL;
+ word32 row;
+ int idx;
+ int count;
+ int error = 0;
+
+ (void) restoreSessionCerts;
+
+ if (ssl->options.sessionCacheOff)
+ return NULL;
+
+ if (ssl->options.haveSessionId == 0)
+ return NULL;
+
+#ifdef HAVE_SESSION_TICKET
+ if (ssl->options.side == WOLFSSL_SERVER_END && ssl->options.useTicket == 1)
+ return NULL;
+#endif
+
+ if (ssl->arrays)
+ id = ssl->arrays->sessionID;
+ else
+ id = ssl->session.sessionID;
+
+#ifdef HAVE_EXT_CACHE
+ if (ssl->ctx->get_sess_cb != NULL) {
+ int copy = 0;
+ /* Attempt to retrieve the session from the external cache. */
+ ret = ssl->ctx->get_sess_cb(ssl, (byte*)id, ID_LEN, ©);
+ if (ret != NULL) {
+ RestoreSession(ssl, ret, masterSecret, restoreSessionCerts);
+ return ret;
+ }
+ }
+
+ if (ssl->ctx->internalCacheOff)
+ return NULL;
+#endif
+
+ row = HashSession(id, ID_LEN, &error) % SESSION_ROWS;
+ if (error != 0) {
+ WOLFSSL_MSG("Hash session failed");
+ return NULL;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0)
+ return 0;
+
+ /* start from most recently used */
+ count = min((word32)SessionCache[row].totalCount, SESSIONS_PER_ROW);
+ idx = SessionCache[row].nextIdx - 1;
+ if (idx < 0)
+ idx = SESSIONS_PER_ROW - 1; /* if back to front, the previous was end */
+
+ for (; count > 0; --count, idx = idx ? idx - 1 : SESSIONS_PER_ROW - 1) {
+ WOLFSSL_SESSION* current;
+
+ if (idx >= SESSIONS_PER_ROW || idx < 0) { /* sanity check */
+ WOLFSSL_MSG("Bad idx");
+ break;
+ }
+
+ current = &SessionCache[row].Sessions[idx];
+ if (XMEMCMP(current->sessionID, id, ID_LEN) == 0) {
+ WOLFSSL_MSG("Found a session match");
+ if (LowResTimer() < (current->bornOn + current->timeout)) {
+ WOLFSSL_MSG("Session valid");
+ ret = current;
+ RestoreSession(ssl, ret, masterSecret, restoreSessionCerts);
+ } else {
+ WOLFSSL_MSG("Session timed out");
+ }
+ break; /* no more sessionIDs whether valid or not that match */
+ } else {
+ WOLFSSL_MSG("SessionID not a match at this idx");
+ }
+ }
+
+ wc_UnLockMutex(&session_mutex);
+
+ return ret;
+}
+
+
+static int GetDeepCopySession(WOLFSSL* ssl, WOLFSSL_SESSION* copyFrom)
+{
+ WOLFSSL_SESSION* copyInto = &ssl->session;
+ void* tmpBuff = NULL;
+ int ticketLen = 0;
+ int doDynamicCopy = 0;
+ int ret = WOLFSSL_SUCCESS;
+
+ (void)ticketLen;
+ (void)doDynamicCopy;
+ (void)tmpBuff;
+
+ if (!ssl || !copyFrom)
+ return BAD_FUNC_ARG;
+
+#ifdef HAVE_SESSION_TICKET
+ /* Free old dynamic ticket if we had one to avoid leak */
+ if (copyInto->isDynamic) {
+ XFREE(copyInto->ticket, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ copyInto->ticket = copyInto->staticTicket;
+ copyInto->isDynamic = 0;
+ }
+#endif
+
+ if (wc_LockMutex(&session_mutex) != 0)
+ return BAD_MUTEX_E;
+
+#ifdef HAVE_SESSION_TICKET
+ /* Size of ticket to alloc if needed; Use later for alloc outside lock */
+ doDynamicCopy = copyFrom->isDynamic;
+ ticketLen = copyFrom->ticketLen;
+#endif
+
+ *copyInto = *copyFrom;
+
+ /* Default ticket to non dynamic. This will avoid crash if we fail below */
+#ifdef HAVE_SESSION_TICKET
+ copyInto->ticket = copyInto->staticTicket;
+ copyInto->isDynamic = 0;
+#endif
+
+ if (wc_UnLockMutex(&session_mutex) != 0) {
+ return BAD_MUTEX_E;
+ }
+
+#ifdef HAVE_SESSION_TICKET
+#ifdef WOLFSSL_TLS13
+ if (wc_LockMutex(&session_mutex) != 0) {
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ return BAD_MUTEX_E;
+ }
+
+ copyInto->cipherSuite0 = copyFrom->cipherSuite0;
+ copyInto->cipherSuite = copyFrom->cipherSuite;
+ copyInto->namedGroup = copyFrom->namedGroup;
+ copyInto->ticketSeen = copyFrom->ticketSeen;
+ copyInto->ticketAdd = copyFrom->ticketAdd;
+#ifndef WOLFSSL_TLS13_DRAFT_18
+ XMEMCPY(©Into->ticketNonce, ©From->ticketNonce,
+ sizeof(TicketNonce));
+#endif
+#ifdef WOLFSSL_EARLY_DATA
+ copyInto->maxEarlyDataSz = copyFrom->maxEarlyDataSz;
+#endif
+ XMEMCPY(copyInto->masterSecret, copyFrom->masterSecret, SECRET_LEN);
+
+ if (wc_UnLockMutex(&session_mutex) != 0) {
+ if (ret == WOLFSSL_SUCCESS)
+ ret = BAD_MUTEX_E;
+ }
+#endif
+ /* If doing dynamic copy, need to alloc outside lock, then inside a lock
+ * confirm the size still matches and memcpy */
+ if (doDynamicCopy) {
+ tmpBuff = (byte*)XMALLOC(ticketLen, ssl->heap,
+ DYNAMIC_TYPE_SESSION_TICK);
+ if (!tmpBuff)
+ return MEMORY_ERROR;
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ return BAD_MUTEX_E;
+ }
+
+ if (ticketLen != copyFrom->ticketLen) {
+ /* Another thread modified the ssl-> session ticket during alloc.
+ * Treat as error, since ticket different than when copy requested */
+ ret = VAR_STATE_CHANGE_E;
+ }
+
+ if (ret == WOLFSSL_SUCCESS) {
+ copyInto->ticket = (byte*)tmpBuff;
+ copyInto->isDynamic = 1;
+ XMEMCPY(copyInto->ticket, copyFrom->ticket, ticketLen);
+ }
+ } else {
+ /* Need to ensure ticket pointer gets updated to own buffer
+ * and is not pointing to buff of session copied from */
+ copyInto->ticket = copyInto->staticTicket;
+ }
+
+ if (doDynamicCopy) {
+ if (wc_UnLockMutex(&session_mutex) != 0) {
+ if (ret == WOLFSSL_SUCCESS)
+ ret = BAD_MUTEX_E;
+ }
+ }
+
+ if (ret != WOLFSSL_SUCCESS) {
+ /* cleanup */
+ if (tmpBuff)
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ copyInto->ticket = copyInto->staticTicket;
+ copyInto->isDynamic = 0;
+ }
+#endif /* HAVE_SESSION_TICKET */
+ return ret;
+}
+
+
+int SetSession(WOLFSSL* ssl, WOLFSSL_SESSION* session)
+{
+ if (ssl->options.sessionCacheOff)
+ return WOLFSSL_FAILURE;
+
+#ifdef OPENSSL_EXTRA
+ /* check for application context id */
+ if (ssl->sessionCtxSz > 0) {
+ if (XMEMCMP(ssl->sessionCtx, session->sessionCtx, ssl->sessionCtxSz)) {
+ /* context id did not match! */
+ WOLFSSL_MSG("Session context did not match");
+ return SSL_FAILURE;
+ }
+ }
+#endif /* OPENSSL_EXTRA */
+
+ if (LowResTimer() < (session->bornOn + session->timeout)) {
+ int ret = GetDeepCopySession(ssl, session);
+ if (ret == WOLFSSL_SUCCESS) {
+ ssl->options.resuming = 1;
+
+#if defined(SESSION_CERTS) || (defined(WOLFSSL_TLS13) && \
+ defined(HAVE_SESSION_TICKET))
+ ssl->version = session->version;
+ ssl->options.cipherSuite0 = session->cipherSuite0;
+ ssl->options.cipherSuite = session->cipherSuite;
+#endif
+ }
+
+ return ret;
+ }
+ return WOLFSSL_FAILURE; /* session timed out */
+}
+
+
+#ifdef WOLFSSL_SESSION_STATS
+static int get_locked_session_stats(word32* active, word32* total,
+ word32* peak);
+#endif
+
+int AddSession(WOLFSSL* ssl)
+{
+ word32 row = 0;
+ word32 idx = 0;
+ int error = 0;
+#ifdef HAVE_SESSION_TICKET
+ byte* tmpBuff = NULL;
+ int ticLen = 0;
+#endif
+ WOLFSSL_SESSION* session;
+
+ if (ssl->options.sessionCacheOff)
+ return 0;
+
+ if (ssl->options.haveSessionId == 0)
+ return 0;
+
+#ifdef HAVE_SESSION_TICKET
+ if (ssl->options.side == WOLFSSL_SERVER_END && ssl->options.useTicket == 1)
+ return 0;
+#endif
+
+#ifdef HAVE_SESSION_TICKET
+ ticLen = ssl->session.ticketLen;
+ /* Alloc Memory here so if Malloc fails can exit outside of lock */
+ if(ticLen > SESSION_TICKET_LEN) {
+ tmpBuff = (byte*)XMALLOC(ticLen, ssl->heap,
+ DYNAMIC_TYPE_SESSION_TICK);
+ if(!tmpBuff)
+ return MEMORY_E;
+ }
+#endif
+
+#ifdef HAVE_EXT_CACHE
+ if (ssl->options.internalCacheOff) {
+ /* Create a new session object to be stored. */
+ session = (WOLFSSL_SESSION*)XMALLOC(sizeof(WOLFSSL_SESSION), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (session == NULL) {
+#ifdef HAVE_SESSION_TICKET
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+#endif
+ return MEMORY_E;
+ }
+ XMEMSET(session, 0, sizeof(WOLFSSL_SESSION));
+ session->isAlloced = 1;
+ }
+ else
+#endif
+ {
+ /* Use the session object in the cache for external cache if required.
+ */
+ row = HashSession(ssl->arrays->sessionID, ID_LEN, &error) %
+ SESSION_ROWS;
+ if (error != 0) {
+ WOLFSSL_MSG("Hash session failed");
+#ifdef HAVE_SESSION_TICKET
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+#endif
+ return error;
+ }
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+#ifdef HAVE_SESSION_TICKET
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+#endif
+ return BAD_MUTEX_E;
+ }
+
+ idx = SessionCache[row].nextIdx++;
+#ifdef SESSION_INDEX
+ ssl->sessionIndex = (row << SESSIDX_ROW_SHIFT) | idx;
+#endif
+ session = &SessionCache[row].Sessions[idx];
+ }
+
+ if (!ssl->options.tls1_3)
+ XMEMCPY(session->masterSecret, ssl->arrays->masterSecret, SECRET_LEN);
+ else
+ XMEMCPY(session->masterSecret, ssl->session.masterSecret, SECRET_LEN);
+ session->haveEMS = ssl->options.haveEMS;
+ XMEMCPY(session->sessionID, ssl->arrays->sessionID, ID_LEN);
+ session->sessionIDSz = ssl->arrays->sessionIDSz;
+
+#ifdef OPENSSL_EXTRA
+ /* If using compatibilty layer then check for and copy over session context
+ * id. */
+ if (ssl->sessionCtxSz > 0 && ssl->sessionCtxSz < ID_LEN) {
+ XMEMCPY(session->sessionCtx, ssl->sessionCtx, ssl->sessionCtxSz);
+ }
+#endif
+
+ session->timeout = ssl->timeout;
+ session->bornOn = LowResTimer();
+
+#ifdef HAVE_SESSION_TICKET
+ /* Check if another thread modified ticket since alloc */
+ if (ticLen != ssl->session.ticketLen) {
+ error = VAR_STATE_CHANGE_E;
+ }
+
+ if (error == 0) {
+ /* Cleanup cache row's old Dynamic buff if exists */
+ if(session->isDynamic) {
+ XFREE(session->ticket, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ session->ticket = NULL;
+ }
+
+ /* If too large to store in static buffer, use dyn buffer */
+ if (ticLen > SESSION_TICKET_LEN) {
+ session->ticket = tmpBuff;
+ session->isDynamic = 1;
+ } else {
+ session->ticket = session->staticTicket;
+ session->isDynamic = 0;
+ }
+ }
+
+ if (error == 0) {
+ session->ticketLen = (word16)ticLen;
+ XMEMCPY(session->ticket, ssl->session.ticket, ticLen);
+ } else { /* cleanup, reset state */
+ session->ticket = session->staticTicket;
+ session->isDynamic = 0;
+ session->ticketLen = 0;
+ if (tmpBuff) {
+ XFREE(tmpBuff, ssl->heap, DYNAMIC_TYPE_SESSION_TICK);
+ tmpBuff = NULL;
+ }
+ }
+#endif
+
+#ifdef SESSION_CERTS
+ if (error == 0) {
+ session->chain.count = ssl->session.chain.count;
+ XMEMCPY(session->chain.certs, ssl->session.chain.certs,
+ sizeof(x509_buffer) * MAX_CHAIN_DEPTH);
+ }
+#endif /* SESSION_CERTS */
+#if defined(SESSION_CERTS) || (defined(WOLFSSL_TLS13) && \
+ defined(HAVE_SESSION_TICKET))
+ if (error == 0) {
+ session->version = ssl->version;
+ session->cipherSuite0 = ssl->options.cipherSuite0;
+ session->cipherSuite = ssl->options.cipherSuite;
+ }
+#endif /* SESSION_CERTS || (WOLFSSL_TLS13 & HAVE_SESSION_TICKET) */
+#if defined(WOLFSSL_TLS13)
+ if (error == 0) {
+ session->namedGroup = ssl->session.namedGroup;
+ }
+#endif
+#if defined(WOLFSSL_TLS13) && defined(HAVE_SESSION_TICKET)
+ if (error == 0) {
+ session->ticketSeen = ssl->session.ticketSeen;
+ session->ticketAdd = ssl->session.ticketAdd;
+#ifndef WOLFSSL_TLS13_DRAFT_18
+ XMEMCPY(&session->ticketNonce, &ssl->session.ticketNonce,
+ sizeof(TicketNonce));
+#endif
+ #ifdef WOLFSSL_EARLY_DATA
+ session->maxEarlyDataSz = ssl->session.maxEarlyDataSz;
+ #endif
+ }
+#endif /* WOLFSSL_TLS13 && HAVE_SESSION_TICKET */
+#ifdef HAVE_EXT_CACHE
+ if (!ssl->options.internalCacheOff)
+#endif
+ {
+ if (error == 0) {
+ SessionCache[row].totalCount++;
+ if (SessionCache[row].nextIdx == SESSIONS_PER_ROW)
+ SessionCache[row].nextIdx = 0;
+ }
+ }
+#ifndef NO_CLIENT_CACHE
+ if (error == 0) {
+ if (ssl->options.side == WOLFSSL_CLIENT_END && ssl->session.idLen) {
+ word32 clientRow, clientIdx;
+
+ WOLFSSL_MSG("Adding client cache entry");
+
+ session->idLen = ssl->session.idLen;
+ XMEMCPY(session->serverID, ssl->session.serverID,
+ ssl->session.idLen);
+
+#ifdef HAVE_EXT_CACHE
+ if (!ssl->options.internalCacheOff)
+#endif
+ {
+ clientRow = HashSession(ssl->session.serverID,
+ ssl->session.idLen, &error) % SESSION_ROWS;
+ if (error != 0) {
+ WOLFSSL_MSG("Hash session failed");
+ } else {
+ clientIdx = ClientCache[clientRow].nextIdx++;
+
+ ClientCache[clientRow].Clients[clientIdx].serverRow =
+ (word16)row;
+ ClientCache[clientRow].Clients[clientIdx].serverIdx =
+ (word16)idx;
+
+ ClientCache[clientRow].totalCount++;
+ if (ClientCache[clientRow].nextIdx == SESSIONS_PER_ROW)
+ ClientCache[clientRow].nextIdx = 0;
+ }
+ }
+ }
+ else
+ session->idLen = 0;
+ }
+#endif /* NO_CLIENT_CACHE */
+
+#if defined(WOLFSSL_SESSION_STATS) && defined(WOLFSSL_PEAK_SESSIONS)
+#ifdef HAVE_EXT_CACHE
+ if (!ssl->options.internalCacheOff)
+#endif
+ {
+ if (error == 0) {
+ word32 active = 0;
+
+ error = get_locked_session_stats(&active, NULL, NULL);
+ if (error == WOLFSSL_SUCCESS) {
+ error = 0; /* back to this function ok */
+
+ if (active > PeakSessions)
+ PeakSessions = active;
+ }
+ }
+ }
+#endif /* defined(WOLFSSL_SESSION_STATS) && defined(WOLFSSL_PEAK_SESSIONS) */
+
+#ifdef HAVE_EXT_CACHE
+ if (!ssl->options.internalCacheOff)
+#endif
+ {
+ if (wc_UnLockMutex(&session_mutex) != 0)
+ return BAD_MUTEX_E;
+ }
+
+#ifdef HAVE_EXT_CACHE
+ if (error == 0 && ssl->ctx->new_sess_cb != NULL)
+ ssl->ctx->new_sess_cb(ssl, session);
+ if (ssl->options.internalCacheOff)
+ wolfSSL_SESSION_free(session);
+#endif
+
+ return error;
+}
+
+
+#ifdef SESSION_INDEX
+
+int wolfSSL_GetSessionIndex(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_GetSessionIndex");
+ WOLFSSL_LEAVE("wolfSSL_GetSessionIndex", ssl->sessionIndex);
+ return ssl->sessionIndex;
+}
+
+
+int wolfSSL_GetSessionAtIndex(int idx, WOLFSSL_SESSION* session)
+{
+ int row, col, result = WOLFSSL_FAILURE;
+
+ WOLFSSL_ENTER("wolfSSL_GetSessionAtIndex");
+
+ row = idx >> SESSIDX_ROW_SHIFT;
+ col = idx & SESSIDX_IDX_MASK;
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ return BAD_MUTEX_E;
+ }
+
+ if (row < SESSION_ROWS &&
+ col < (int)min(SessionCache[row].totalCount, SESSIONS_PER_ROW)) {
+ XMEMCPY(session,
+ &SessionCache[row].Sessions[col], sizeof(WOLFSSL_SESSION));
+ result = WOLFSSL_SUCCESS;
+ }
+
+ if (wc_UnLockMutex(&session_mutex) != 0)
+ result = BAD_MUTEX_E;
+
+ WOLFSSL_LEAVE("wolfSSL_GetSessionAtIndex", result);
+ return result;
+}
+
+#endif /* SESSION_INDEX */
+
+#if defined(SESSION_INDEX) && defined(SESSION_CERTS)
+
+WOLFSSL_X509_CHAIN* wolfSSL_SESSION_get_peer_chain(WOLFSSL_SESSION* session)
+{
+ WOLFSSL_X509_CHAIN* chain = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_peer_chain");
+ if (session)
+ chain = &session->chain;
+
+ WOLFSSL_LEAVE("wolfSSL_SESSION_get_peer_chain", chain ? 1 : 0);
+ return chain;
+}
+
+#endif /* SESSION_INDEX && SESSION_CERTS */
+
+
+#ifdef WOLFSSL_SESSION_STATS
+
+/* requires session_mutex lock held, WOLFSSL_SUCCESS on ok */
+static int get_locked_session_stats(word32* active, word32* total, word32* peak)
+{
+ int result = WOLFSSL_SUCCESS;
+ int i;
+ int count;
+ int idx;
+ word32 now = 0;
+ word32 seen = 0;
+ word32 ticks = LowResTimer();
+
+ (void)peak;
+
+ WOLFSSL_ENTER("get_locked_session_stats");
+
+ for (i = 0; i < SESSION_ROWS; i++) {
+ seen += SessionCache[i].totalCount;
+
+ if (active == NULL)
+ continue; /* no need to calculate what we can't set */
+
+ count = min((word32)SessionCache[i].totalCount, SESSIONS_PER_ROW);
+ idx = SessionCache[i].nextIdx - 1;
+ if (idx < 0)
+ idx = SESSIONS_PER_ROW - 1; /* if back to front previous was end */
+
+ for (; count > 0; --count, idx = idx ? idx - 1 : SESSIONS_PER_ROW - 1) {
+ if (idx >= SESSIONS_PER_ROW || idx < 0) { /* sanity check */
+ WOLFSSL_MSG("Bad idx");
+ break;
+ }
+
+ /* if not expried then good */
+ if (ticks < (SessionCache[i].Sessions[idx].bornOn +
+ SessionCache[i].Sessions[idx].timeout) ) {
+ now++;
+ }
+ }
+ }
+
+ if (active)
+ *active = now;
+
+ if (total)
+ *total = seen;
+
+#ifdef WOLFSSL_PEAK_SESSIONS
+ if (peak)
+ *peak = PeakSessions;
+#endif
+
+ WOLFSSL_LEAVE("get_locked_session_stats", result);
+
+ return result;
+}
+
+
+/* return WOLFSSL_SUCCESS on ok */
+int wolfSSL_get_session_stats(word32* active, word32* total, word32* peak,
+ word32* maxSessions)
+{
+ int result = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("wolfSSL_get_session_stats");
+
+ if (maxSessions) {
+ *maxSessions = SESSIONS_PER_ROW * SESSION_ROWS;
+
+ if (active == NULL && total == NULL && peak == NULL)
+ return result; /* we're done */
+ }
+
+ /* user must provide at least one query value */
+ if (active == NULL && total == NULL && peak == NULL)
+ return BAD_FUNC_ARG;
+
+ if (wc_LockMutex(&session_mutex) != 0) {
+ return BAD_MUTEX_E;
+ }
+
+ result = get_locked_session_stats(active, total, peak);
+
+ if (wc_UnLockMutex(&session_mutex) != 0)
+ result = BAD_MUTEX_E;
+
+ WOLFSSL_LEAVE("wolfSSL_get_session_stats", result);
+
+ return result;
+}
+
+#endif /* WOLFSSL_SESSION_STATS */
+
+
+ #ifdef PRINT_SESSION_STATS
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_PrintSessionStats(void)
+ {
+ word32 totalSessionsSeen = 0;
+ word32 totalSessionsNow = 0;
+ word32 peak = 0;
+ word32 maxSessions = 0;
+ int i;
+ int ret;
+ double E; /* expected freq */
+ double chiSquare = 0;
+
+ ret = wolfSSL_get_session_stats(&totalSessionsNow, &totalSessionsSeen,
+ &peak, &maxSessions);
+ if (ret != WOLFSSL_SUCCESS)
+ return ret;
+ printf("Total Sessions Seen = %d\n", totalSessionsSeen);
+ printf("Total Sessions Now = %d\n", totalSessionsNow);
+#ifdef WOLFSSL_PEAK_SESSIONS
+ printf("Peak Sessions = %d\n", peak);
+#endif
+ printf("Max Sessions = %d\n", maxSessions);
+
+ E = (double)totalSessionsSeen / SESSION_ROWS;
+
+ for (i = 0; i < SESSION_ROWS; i++) {
+ double diff = SessionCache[i].totalCount - E;
+ diff *= diff; /* square */
+ diff /= E; /* normalize */
+
+ chiSquare += diff;
+ }
+ printf(" chi-square = %5.1f, d.f. = %d\n", chiSquare,
+ SESSION_ROWS - 1);
+ #if (SESSION_ROWS == 11)
+ printf(" .05 p value = 18.3, chi-square should be less\n");
+ #elif (SESSION_ROWS == 211)
+ printf(".05 p value = 244.8, chi-square should be less\n");
+ #elif (SESSION_ROWS == 5981)
+ printf(".05 p value = 6161.0, chi-square should be less\n");
+ #elif (SESSION_ROWS == 3)
+ printf(".05 p value = 6.0, chi-square should be less\n");
+ #elif (SESSION_ROWS == 2861)
+ printf(".05 p value = 2985.5, chi-square should be less\n");
+ #endif
+ printf("\n");
+
+ return ret;
+ }
+
+ #endif /* SESSION_STATS */
+
+#else /* NO_SESSION_CACHE */
+
+/* No session cache version */
+WOLFSSL_SESSION* GetSession(WOLFSSL* ssl, byte* masterSecret,
+ byte restoreSessionCerts)
+{
+ (void)ssl;
+ (void)masterSecret;
+ (void)restoreSessionCerts;
+
+ return NULL;
+}
+
+#endif /* NO_SESSION_CACHE */
+
+
+/* call before SSL_connect, if verifying will add name check to
+ date check and signature check */
+int wolfSSL_check_domain_name(WOLFSSL* ssl, const char* dn)
+{
+ WOLFSSL_ENTER("wolfSSL_check_domain_name");
+
+ if (ssl == NULL || dn == NULL) {
+ WOLFSSL_MSG("Bad function argument: NULL");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (ssl->buffers.domainName.buffer)
+ XFREE(ssl->buffers.domainName.buffer, ssl->heap, DYNAMIC_TYPE_DOMAIN);
+
+ ssl->buffers.domainName.length = (word32)XSTRLEN(dn);
+ ssl->buffers.domainName.buffer = (byte*)XMALLOC(
+ ssl->buffers.domainName.length + 1, ssl->heap, DYNAMIC_TYPE_DOMAIN);
+
+ if (ssl->buffers.domainName.buffer) {
+ char* domainName = (char*)ssl->buffers.domainName.buffer;
+ XSTRNCPY(domainName, dn, ssl->buffers.domainName.length);
+ domainName[ssl->buffers.domainName.length] = '\0';
+ return WOLFSSL_SUCCESS;
+ }
+ else {
+ ssl->error = MEMORY_ERROR;
+ return WOLFSSL_FAILURE;
+ }
+}
+
+
+/* turn on wolfSSL zlib compression
+ returns WOLFSSL_SUCCESS for success, else error (not built in)
+*/
+int wolfSSL_set_compression(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_set_compression");
+ (void)ssl;
+#ifdef HAVE_LIBZ
+ ssl->options.usingCompression = 1;
+ return WOLFSSL_SUCCESS;
+#else
+ return NOT_COMPILED_IN;
+#endif
+}
+
+
+#ifndef USE_WINDOWS_API
+ #ifndef NO_WRITEV
+
+ /* simulate writev semantics, doesn't actually do block at a time though
+ because of SSL_write behavior and because front adds may be small */
+ int wolfSSL_writev(WOLFSSL* ssl, const struct iovec* iov, int iovcnt)
+ {
+ #ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+ #else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+ #endif
+ byte* myBuffer = staticBuffer;
+ int dynamic = 0;
+ int sending = 0;
+ int idx = 0;
+ int i;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_writev");
+
+ for (i = 0; i < iovcnt; i++)
+ sending += (int)iov[i].iov_len;
+
+ if (sending > (int)sizeof(staticBuffer)) {
+ myBuffer = (byte*)XMALLOC(sending, ssl->heap,
+ DYNAMIC_TYPE_WRITEV);
+ if (!myBuffer)
+ return MEMORY_ERROR;
+
+ dynamic = 1;
+ }
+
+ for (i = 0; i < iovcnt; i++) {
+ XMEMCPY(&myBuffer[idx], iov[i].iov_base, iov[i].iov_len);
+ idx += (int)iov[i].iov_len;
+ }
+
+ ret = wolfSSL_write(ssl, myBuffer, sending);
+
+ if (dynamic)
+ XFREE(myBuffer, ssl->heap, DYNAMIC_TYPE_WRITEV);
+
+ return ret;
+ }
+ #endif
+#endif
+
+
+#ifdef WOLFSSL_CALLBACKS
+
+ typedef struct itimerval Itimerval;
+
+ /* don't keep calling simple functions while setting up timer and signals
+ if no inlining these are the next best */
+
+ #define AddTimes(a, b, c) \
+ do { \
+ c.tv_sec = a.tv_sec + b.tv_sec; \
+ c.tv_usec = a.tv_usec + b.tv_usec; \
+ if (c.tv_usec >= 1000000) { \
+ c.tv_sec++; \
+ c.tv_usec -= 1000000; \
+ } \
+ } while (0)
+
+
+ #define SubtractTimes(a, b, c) \
+ do { \
+ c.tv_sec = a.tv_sec - b.tv_sec; \
+ c.tv_usec = a.tv_usec - b.tv_usec; \
+ if (c.tv_usec < 0) { \
+ c.tv_sec--; \
+ c.tv_usec += 1000000; \
+ } \
+ } while (0)
+
+ #define CmpTimes(a, b, cmp) \
+ ((a.tv_sec == b.tv_sec) ? \
+ (a.tv_usec cmp b.tv_usec) : \
+ (a.tv_sec cmp b.tv_sec)) \
+
+
+ /* do nothing handler */
+ static void myHandler(int signo)
+ {
+ (void)signo;
+ return;
+ }
+
+
+ static int wolfSSL_ex_wrapper(WOLFSSL* ssl, HandShakeCallBack hsCb,
+ TimeoutCallBack toCb, Timeval timeout)
+ {
+ int ret = WOLFSSL_FATAL_ERROR;
+ int oldTimerOn = 0; /* was timer already on */
+ Timeval startTime;
+ Timeval endTime;
+ Timeval totalTime;
+ Itimerval myTimeout;
+ Itimerval oldTimeout; /* if old timer adjust from total time to reset */
+ struct sigaction act, oact;
+
+ #define ERR_OUT(x) { ssl->hsInfoOn = 0; ssl->toInfoOn = 0; return x; }
+
+ if (hsCb) {
+ ssl->hsInfoOn = 1;
+ InitHandShakeInfo(&ssl->handShakeInfo, ssl);
+ }
+ if (toCb) {
+ ssl->toInfoOn = 1;
+ InitTimeoutInfo(&ssl->timeoutInfo);
+
+ if (gettimeofday(&startTime, 0) < 0)
+ ERR_OUT(GETTIME_ERROR);
+
+ /* use setitimer to simulate getitimer, init 0 myTimeout */
+ myTimeout.it_interval.tv_sec = 0;
+ myTimeout.it_interval.tv_usec = 0;
+ myTimeout.it_value.tv_sec = 0;
+ myTimeout.it_value.tv_usec = 0;
+ if (setitimer(ITIMER_REAL, &myTimeout, &oldTimeout) < 0)
+ ERR_OUT(SETITIMER_ERROR);
+
+ if (oldTimeout.it_value.tv_sec || oldTimeout.it_value.tv_usec) {
+ oldTimerOn = 1;
+
+ /* is old timer going to expire before ours */
+ if (CmpTimes(oldTimeout.it_value, timeout, <)) {
+ timeout.tv_sec = oldTimeout.it_value.tv_sec;
+ timeout.tv_usec = oldTimeout.it_value.tv_usec;
+ }
+ }
+ myTimeout.it_value.tv_sec = timeout.tv_sec;
+ myTimeout.it_value.tv_usec = timeout.tv_usec;
+
+ /* set up signal handler, don't restart socket send/recv */
+ act.sa_handler = myHandler;
+ sigemptyset(&act.sa_mask);
+ act.sa_flags = 0;
+#ifdef SA_INTERRUPT
+ act.sa_flags |= SA_INTERRUPT;
+#endif
+ if (sigaction(SIGALRM, &act, &oact) < 0)
+ ERR_OUT(SIGACT_ERROR);
+
+ if (setitimer(ITIMER_REAL, &myTimeout, 0) < 0)
+ ERR_OUT(SETITIMER_ERROR);
+ }
+
+ /* do main work */
+#ifndef NO_WOLFSSL_CLIENT
+ if (ssl->options.side == WOLFSSL_CLIENT_END)
+ ret = wolfSSL_connect(ssl);
+#endif
+#ifndef NO_WOLFSSL_SERVER
+ if (ssl->options.side == WOLFSSL_SERVER_END)
+ ret = wolfSSL_accept(ssl);
+#endif
+
+ /* do callbacks */
+ if (toCb) {
+ if (oldTimerOn) {
+ gettimeofday(&endTime, 0);
+ SubtractTimes(endTime, startTime, totalTime);
+ /* adjust old timer for elapsed time */
+ if (CmpTimes(totalTime, oldTimeout.it_value, <))
+ SubtractTimes(oldTimeout.it_value, totalTime,
+ oldTimeout.it_value);
+ else {
+ /* reset value to interval, may be off */
+ oldTimeout.it_value.tv_sec = oldTimeout.it_interval.tv_sec;
+ oldTimeout.it_value.tv_usec =oldTimeout.it_interval.tv_usec;
+ }
+ /* keep iter the same whether there or not */
+ }
+ /* restore old handler */
+ if (sigaction(SIGALRM, &oact, 0) < 0)
+ ret = SIGACT_ERROR; /* more pressing error, stomp */
+ else
+ /* use old settings which may turn off (expired or not there) */
+ if (setitimer(ITIMER_REAL, &oldTimeout, 0) < 0)
+ ret = SETITIMER_ERROR;
+
+ /* if we had a timeout call callback */
+ if (ssl->timeoutInfo.timeoutName[0]) {
+ ssl->timeoutInfo.timeoutValue.tv_sec = timeout.tv_sec;
+ ssl->timeoutInfo.timeoutValue.tv_usec = timeout.tv_usec;
+ (toCb)(&ssl->timeoutInfo);
+ }
+ /* clean up */
+ FreeTimeoutInfo(&ssl->timeoutInfo, ssl->heap);
+ ssl->toInfoOn = 0;
+ }
+ if (hsCb) {
+ FinishHandShakeInfo(&ssl->handShakeInfo);
+ (hsCb)(&ssl->handShakeInfo);
+ ssl->hsInfoOn = 0;
+ }
+ return ret;
+ }
+
+
+#ifndef NO_WOLFSSL_CLIENT
+
+ int wolfSSL_connect_ex(WOLFSSL* ssl, HandShakeCallBack hsCb,
+ TimeoutCallBack toCb, Timeval timeout)
+ {
+ WOLFSSL_ENTER("wolfSSL_connect_ex");
+ return wolfSSL_ex_wrapper(ssl, hsCb, toCb, timeout);
+ }
+
+#endif
+
+
+#ifndef NO_WOLFSSL_SERVER
+
+ int wolfSSL_accept_ex(WOLFSSL* ssl, HandShakeCallBack hsCb,
+ TimeoutCallBack toCb,Timeval timeout)
+ {
+ WOLFSSL_ENTER("wolfSSL_accept_ex");
+ return wolfSSL_ex_wrapper(ssl, hsCb, toCb, timeout);
+ }
+
+#endif
+
+#endif /* WOLFSSL_CALLBACKS */
+
+
+#ifndef NO_PSK
+
+ void wolfSSL_CTX_set_psk_client_callback(WOLFSSL_CTX* ctx,
+ wc_psk_client_callback cb)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_psk_client_callback");
+ ctx->havePSK = 1;
+ ctx->client_psk_cb = cb;
+ }
+
+
+ void wolfSSL_set_psk_client_callback(WOLFSSL* ssl,wc_psk_client_callback cb)
+ {
+ byte haveRSA = 1;
+ int keySz = 0;
+
+ WOLFSSL_ENTER("SSL_set_psk_client_callback");
+ ssl->options.havePSK = 1;
+ ssl->options.client_psk_cb = cb;
+
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+ #endif
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA, TRUE,
+ ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+ }
+
+
+ void wolfSSL_CTX_set_psk_server_callback(WOLFSSL_CTX* ctx,
+ wc_psk_server_callback cb)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_psk_server_callback");
+ ctx->havePSK = 1;
+ ctx->server_psk_cb = cb;
+ }
+
+
+ void wolfSSL_set_psk_server_callback(WOLFSSL* ssl,wc_psk_server_callback cb)
+ {
+ byte haveRSA = 1;
+ int keySz = 0;
+
+ WOLFSSL_ENTER("SSL_set_psk_server_callback");
+ ssl->options.havePSK = 1;
+ ssl->options.server_psk_cb = cb;
+
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+ #endif
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA, TRUE,
+ ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+ }
+
+
+ const char* wolfSSL_get_psk_identity_hint(const WOLFSSL* ssl)
+ {
+ WOLFSSL_ENTER("SSL_get_psk_identity_hint");
+
+ if (ssl == NULL || ssl->arrays == NULL)
+ return NULL;
+
+ return ssl->arrays->server_hint;
+ }
+
+
+ const char* wolfSSL_get_psk_identity(const WOLFSSL* ssl)
+ {
+ WOLFSSL_ENTER("SSL_get_psk_identity");
+
+ if (ssl == NULL || ssl->arrays == NULL)
+ return NULL;
+
+ return ssl->arrays->client_identity;
+ }
+
+
+ int wolfSSL_CTX_use_psk_identity_hint(WOLFSSL_CTX* ctx, const char* hint)
+ {
+ WOLFSSL_ENTER("SSL_CTX_use_psk_identity_hint");
+ if (hint == 0)
+ ctx->server_hint[0] = '\0';
+ else {
+ XSTRNCPY(ctx->server_hint, hint, sizeof(ctx->server_hint));
+ ctx->server_hint[MAX_PSK_ID_LEN] = '\0'; /* null term */
+ }
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ int wolfSSL_use_psk_identity_hint(WOLFSSL* ssl, const char* hint)
+ {
+ WOLFSSL_ENTER("SSL_use_psk_identity_hint");
+
+ if (ssl == NULL || ssl->arrays == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (hint == 0)
+ ssl->arrays->server_hint[0] = 0;
+ else {
+ XSTRNCPY(ssl->arrays->server_hint, hint,
+ sizeof(ssl->arrays->server_hint));
+ ssl->arrays->server_hint[MAX_PSK_ID_LEN] = '\0'; /* null term */
+ }
+ return WOLFSSL_SUCCESS;
+ }
+
+#endif /* NO_PSK */
+
+
+#ifdef HAVE_ANON
+
+ int wolfSSL_CTX_allow_anon_cipher(WOLFSSL_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_allow_anon_cipher");
+
+ if (ctx == NULL)
+ return WOLFSSL_FAILURE;
+
+ ctx->haveAnon = 1;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+#endif /* HAVE_ANON */
+
+
+#ifndef NO_CERTS
+/* used to be defined on NO_FILESYSTEM only, but are generally useful */
+
+ /* wolfSSL extension allows DER files to be loaded from buffers as well */
+ int wolfSSL_CTX_load_verify_buffer(WOLFSSL_CTX* ctx,
+ const unsigned char* in,
+ long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_load_verify_buffer");
+ if (format == WOLFSSL_FILETYPE_PEM)
+ return ProcessChainBuffer(ctx, in, sz, format, CA_TYPE, NULL);
+ else
+ return ProcessBuffer(ctx, in, sz, format, CA_TYPE, NULL,NULL,0);
+ }
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ int wolfSSL_CTX_trust_peer_buffer(WOLFSSL_CTX* ctx,
+ const unsigned char* in,
+ long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_trust_peer_buffer");
+
+ /* sanity check on arguments */
+ if (sz < 0 || in == NULL || ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ if (format == WOLFSSL_FILETYPE_PEM)
+ return ProcessChainBuffer(ctx, in, sz, format,
+ TRUSTED_PEER_TYPE, NULL);
+ else
+ return ProcessBuffer(ctx, in, sz, format, TRUSTED_PEER_TYPE,
+ NULL,NULL,0);
+ }
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+
+
+ int wolfSSL_CTX_use_certificate_buffer(WOLFSSL_CTX* ctx,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_buffer");
+ return ProcessBuffer(ctx, in, sz, format, CERT_TYPE, NULL, NULL, 0);
+ }
+
+
+ int wolfSSL_CTX_use_PrivateKey_buffer(WOLFSSL_CTX* ctx,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_use_PrivateKey_buffer");
+ return ProcessBuffer(ctx, in, sz, format, PRIVATEKEY_TYPE, NULL,NULL,0);
+ }
+
+
+ int wolfSSL_CTX_use_certificate_chain_buffer_format(WOLFSSL_CTX* ctx,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_chain_buffer_format");
+ return ProcessBuffer(ctx, in, sz, format, CERT_TYPE, NULL, NULL, 1);
+ }
+
+ int wolfSSL_CTX_use_certificate_chain_buffer(WOLFSSL_CTX* ctx,
+ const unsigned char* in, long sz)
+ {
+ return wolfSSL_CTX_use_certificate_chain_buffer_format(ctx, in, sz,
+ WOLFSSL_FILETYPE_PEM);
+ }
+
+
+#ifndef NO_DH
+
+ /* server wrapper for ctx or ssl Diffie-Hellman parameters */
+ static int wolfSSL_SetTmpDH_buffer_wrapper(WOLFSSL_CTX* ctx, WOLFSSL* ssl,
+ const unsigned char* buf,
+ long sz, int format)
+ {
+ DerBuffer* der = NULL;
+ int ret = 0;
+ word32 pSz = MAX_DH_SIZE;
+ word32 gSz = MAX_DH_SIZE;
+ #ifdef WOLFSSL_SMALL_STACK
+ byte* p = NULL;
+ byte* g = NULL;
+ #else
+ byte p[MAX_DH_SIZE];
+ byte g[MAX_DH_SIZE];
+ #endif
+
+ if (ctx == NULL || buf == NULL)
+ return BAD_FUNC_ARG;
+
+ ret = AllocDer(&der, 0, DH_PARAM_TYPE, ctx->heap);
+ if (ret != 0) {
+ return ret;
+ }
+ der->buffer = (byte*)buf;
+ der->length = (word32)sz;
+
+ #ifdef WOLFSSL_SMALL_STACK
+ p = (byte*)XMALLOC(pSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ g = (byte*)XMALLOC(gSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+
+ if (p == NULL || g == NULL) {
+ XFREE(p, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ return MEMORY_E;
+ }
+ #endif
+
+ if (format != WOLFSSL_FILETYPE_ASN1 && format != WOLFSSL_FILETYPE_PEM)
+ ret = WOLFSSL_BAD_FILETYPE;
+ else {
+ if (format == WOLFSSL_FILETYPE_PEM) {
+#ifdef WOLFSSL_PEM_TO_DER
+ FreeDer(&der);
+ ret = PemToDer(buf, sz, DH_PARAM_TYPE, &der, ctx->heap,
+ NULL, NULL);
+ #ifdef WOLFSSL_WPAS
+ #ifndef NO_DSA
+ if (ret < 0) {
+ ret = PemToDer(buf, sz, DSA_PARAM_TYPE, &der, ctx->heap,
+ NULL, NULL);
+ }
+ #endif
+ #endif /* WOLFSSL_WPAS */
+#else
+ ret = NOT_COMPILED_IN;
+#endif /* WOLFSSL_PEM_TO_DER */
+ }
+
+ if (ret == 0) {
+ if (wc_DhParamsLoad(der->buffer, der->length, p, &pSz, g, &gSz) < 0)
+ ret = WOLFSSL_BAD_FILETYPE;
+ else if (ssl)
+ ret = wolfSSL_SetTmpDH(ssl, p, pSz, g, gSz);
+ else
+ ret = wolfSSL_CTX_SetTmpDH(ctx, p, pSz, g, gSz);
+ }
+ }
+
+ FreeDer(&der);
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(p, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ #endif
+
+ return ret;
+ }
+
+
+ /* server Diffie-Hellman parameters, WOLFSSL_SUCCESS on ok */
+ int wolfSSL_SetTmpDH_buffer(WOLFSSL* ssl, const unsigned char* buf, long sz,
+ int format)
+ {
+ if (ssl == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_SetTmpDH_buffer_wrapper(ssl->ctx, ssl, buf, sz, format);
+ }
+
+
+ /* server ctx Diffie-Hellman parameters, WOLFSSL_SUCCESS on ok */
+ int wolfSSL_CTX_SetTmpDH_buffer(WOLFSSL_CTX* ctx, const unsigned char* buf,
+ long sz, int format)
+ {
+ return wolfSSL_SetTmpDH_buffer_wrapper(ctx, NULL, buf, sz, format);
+ }
+
+#endif /* NO_DH */
+
+
+ int wolfSSL_use_certificate_buffer(WOLFSSL* ssl,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_use_certificate_buffer");
+ return ProcessBuffer(ssl->ctx, in, sz, format,CERT_TYPE,ssl,NULL,0);
+ }
+
+
+ int wolfSSL_use_PrivateKey_buffer(WOLFSSL* ssl,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_use_PrivateKey_buffer");
+ return ProcessBuffer(ssl->ctx, in, sz, format, PRIVATEKEY_TYPE,
+ ssl, NULL, 0);
+ }
+
+ int wolfSSL_use_certificate_chain_buffer_format(WOLFSSL* ssl,
+ const unsigned char* in, long sz, int format)
+ {
+ WOLFSSL_ENTER("wolfSSL_use_certificate_chain_buffer_format");
+ return ProcessBuffer(ssl->ctx, in, sz, format, CERT_TYPE,
+ ssl, NULL, 1);
+ }
+
+ int wolfSSL_use_certificate_chain_buffer(WOLFSSL* ssl,
+ const unsigned char* in, long sz)
+ {
+ return wolfSSL_use_certificate_chain_buffer_format(ssl, in, sz,
+ WOLFSSL_FILETYPE_PEM);
+ }
+
+
+ /* unload any certs or keys that SSL owns, leave CTX as is
+ WOLFSSL_SUCCESS on ok */
+ int wolfSSL_UnloadCertsKeys(WOLFSSL* ssl)
+ {
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Null function arg");
+ return BAD_FUNC_ARG;
+ }
+
+ if (ssl->buffers.weOwnCert && !ssl->keepCert) {
+ WOLFSSL_MSG("Unloading cert");
+ FreeDer(&ssl->buffers.certificate);
+ #ifdef KEEP_OUR_CERT
+ FreeX509(ssl->ourCert);
+ if (ssl->ourCert) {
+ XFREE(ssl->ourCert, ssl->heap, DYNAMIC_TYPE_X509);
+ ssl->ourCert = NULL;
+ }
+ #endif
+ ssl->buffers.weOwnCert = 0;
+ }
+
+ if (ssl->buffers.weOwnCertChain) {
+ WOLFSSL_MSG("Unloading cert chain");
+ FreeDer(&ssl->buffers.certChain);
+ ssl->buffers.weOwnCertChain = 0;
+ }
+
+ if (ssl->buffers.weOwnKey) {
+ WOLFSSL_MSG("Unloading key");
+ FreeDer(&ssl->buffers.key);
+ ssl->buffers.weOwnKey = 0;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ int wolfSSL_CTX_UnloadCAs(WOLFSSL_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_UnloadCAs");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_CertManagerUnloadCAs(ctx->cm);
+ }
+
+
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ int wolfSSL_CTX_Unload_trust_peers(WOLFSSL_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_Unload_trust_peers");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ return wolfSSL_CertManagerUnload_trust_peers(ctx->cm);
+ }
+#endif /* WOLFSSL_TRUST_PEER_CERT */
+/* old NO_FILESYSTEM end */
+#endif /* !NO_CERTS */
+
+
+#ifdef OPENSSL_EXTRA
+
+ int wolfSSL_add_all_algorithms(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_add_all_algorithms");
+ if (wolfSSL_Init() == WOLFSSL_SUCCESS)
+ return WOLFSSL_SUCCESS;
+ else
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ int wolfSSL_OPENSSL_add_all_algorithms_noconf(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_OPENSSL_add_all_algorithms_noconf");
+
+ if (wolfSSL_add_all_algorithms() == WOLFSSL_FATAL_ERROR)
+ return WOLFSSL_FATAL_ERROR;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+ /* returns previous set cache size which stays constant */
+ long wolfSSL_CTX_sess_set_cache_size(WOLFSSL_CTX* ctx, long sz)
+ {
+ /* cache size fixed at compile time in wolfSSL */
+ (void)ctx;
+ (void)sz;
+ WOLFSSL_MSG("session cache is set at compile time");
+ #ifndef NO_SESSION_CACHE
+ return SESSIONS_PER_ROW * SESSION_ROWS;
+ #else
+ return 0;
+ #endif
+ }
+
+#endif
+
+#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_EXTRA)
+ void wolfSSL_CTX_set_quiet_shutdown(WOLFSSL_CTX* ctx, int mode)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_set_quiet_shutdown");
+ if (mode)
+ ctx->quietShutdown = 1;
+ }
+
+
+ void wolfSSL_set_quiet_shutdown(WOLFSSL* ssl, int mode)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_set_quiet_shutdown");
+ if (mode)
+ ssl->options.quietShutdown = 1;
+ }
+#endif
+
+#ifdef OPENSSL_EXTRA
+ void wolfSSL_set_bio(WOLFSSL* ssl, WOLFSSL_BIO* rd, WOLFSSL_BIO* wr)
+ {
+ WOLFSSL_ENTER("wolfSSL_set_bio");
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Bad argument, ssl was NULL");
+ return;
+ }
+
+ /* if WOLFSSL_BIO is socket type then set WOLFSSL socket to use */
+ if (rd != NULL && rd->type == WOLFSSL_BIO_SOCKET) {
+ wolfSSL_set_rfd(ssl, rd->fd);
+ }
+ if (wr != NULL && wr->type == WOLFSSL_BIO_SOCKET) {
+ wolfSSL_set_wfd(ssl, wr->fd);
+ }
+
+ /* free any existing WOLFSSL_BIOs in use */
+ if (ssl->biord != NULL) {
+ if (ssl->biord != ssl->biowr) {
+ if (ssl->biowr != NULL) {
+ wolfSSL_BIO_free(ssl->biowr);
+ ssl->biowr = NULL;
+ }
+ }
+ wolfSSL_BIO_free(ssl->biord);
+ ssl->biord = NULL;
+ }
+
+
+ ssl->biord = rd;
+ ssl->biowr = wr;
+
+ /* set SSL to use BIO callbacks instead */
+ if (((ssl->cbioFlag & WOLFSSL_CBIO_RECV) == 0) &&
+ (rd != NULL && rd->type != WOLFSSL_BIO_SOCKET)) {
+ ssl->CBIORecv = BioReceive;
+ }
+ if (((ssl->cbioFlag & WOLFSSL_CBIO_SEND) == 0) &&
+ (wr != NULL && wr->type != WOLFSSL_BIO_SOCKET)) {
+ ssl->CBIOSend = BioSend;
+ }
+ }
+#endif
+
+#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_EXTRA)
+ void wolfSSL_CTX_set_client_CA_list(WOLFSSL_CTX* ctx,
+ WOLF_STACK_OF(WOLFSSL_X509_NAME)* names)
+ {
+ WOLFSSL_ENTER("wolfSSL_SSL_CTX_set_client_CA_list");
+
+ if (ctx != NULL)
+ ctx->ca_names = names;
+ }
+
+ WOLF_STACK_OF(WOLFSSL_X509_NAME)* wolfSSL_SSL_CTX_get_client_CA_list(
+ const WOLFSSL_CTX *s)
+ {
+ WOLFSSL_ENTER("wolfSSL_SSL_CTX_get_client_CA_list");
+
+ if (s == NULL)
+ return NULL;
+
+ return s->ca_names;
+ }
+#endif
+
+#ifdef OPENSSL_EXTRA
+ #if !defined(NO_RSA) && !defined(NO_CERTS)
+ WOLF_STACK_OF(WOLFSSL_X509_NAME)* wolfSSL_load_client_CA_file(const char* fname)
+ {
+ WOLFSSL_STACK *list = NULL;
+ WOLFSSL_STACK *node;
+ WOLFSSL_BIO* bio;
+ WOLFSSL_X509 *cert = NULL;
+ WOLFSSL_X509_NAME *subjectName = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_load_client_CA_file");
+
+ bio = wolfSSL_BIO_new_file(fname, "r");
+ if (bio == NULL)
+ return NULL;
+
+ /* Read each certificate in the chain out of the file. */
+ while (wolfSSL_PEM_read_bio_X509(bio, &cert, NULL, NULL) != NULL) {
+ subjectName = wolfSSL_X509_get_subject_name(cert);
+ if (subjectName == NULL)
+ break;
+
+ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (node == NULL)
+ break;
+
+ /* Need a persistent copy of the subject name. */
+ node->data.name = (WOLFSSL_X509_NAME*)XMALLOC(
+ sizeof(WOLFSSL_X509_NAME), NULL, DYNAMIC_TYPE_OPENSSL);
+ if (node->data.name == NULL) {
+ XFREE(node, NULL, DYNAMIC_TYPE_OPENSSL);
+ break;
+ }
+ XMEMCPY(node->data.name, subjectName, sizeof(WOLFSSL_X509_NAME));
+ /* Clear pointers so freeing certificate doesn't free memory. */
+ XMEMSET(subjectName, 0, sizeof(WOLFSSL_X509_NAME));
+
+ /* Put node on the front of the list. */
+ node->num = (list == NULL) ? 1 : list->num + 1;
+ node->next = list;
+ list = node;
+
+ wolfSSL_X509_free(cert);
+ cert = NULL;
+ }
+
+ wolfSSL_X509_free(cert);
+ wolfSSL_BIO_free(bio);
+ return list;
+ }
+
+ int wolfSSL_CTX_add_client_CA(WOLFSSL_CTX* ctx, WOLFSSL_X509* x509)
+ {
+ WOLFSSL_STACK *node = NULL;
+ WOLFSSL_X509_NAME *subjectName = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_add_client_CA");
+
+ if (ctx == NULL || x509 == NULL){
+ WOLFSSL_MSG("Bad argument");
+ return SSL_FAILURE;
+ }
+
+ subjectName = wolfSSL_X509_get_subject_name(x509);
+ if (subjectName == NULL){
+ WOLFSSL_MSG("invalid x509 data");
+ return SSL_FAILURE;
+ }
+
+ /* Alloc stack struct */
+ node = (WOLF_STACK_OF(WOLFSSL_X509_NAME)*)XMALLOC(
+ sizeof(WOLF_STACK_OF(WOLFSSL_X509_NAME)),
+ NULL, DYNAMIC_TYPE_OPENSSL);
+ if (node == NULL){
+ WOLFSSL_MSG("memory allocation error");
+ return SSL_FAILURE;
+ }
+ XMEMSET(node, 0, sizeof(WOLF_STACK_OF(WOLFSSL_X509_NAME)));
+
+ /* Alloc and copy WOLFSSL_X509_NAME */
+ node->data.name = (WOLFSSL_X509_NAME*)XMALLOC(
+ sizeof(WOLFSSL_X509_NAME),
+ NULL, DYNAMIC_TYPE_OPENSSL);
+ if (node->data.name == NULL) {
+ XFREE(node, NULL, DYNAMIC_TYPE_OPENSSL);
+ WOLFSSL_MSG("memory allocation error");
+ return SSL_FAILURE;
+ }
+ XMEMCPY(node->data.name, subjectName, sizeof(WOLFSSL_X509_NAME));
+ XMEMSET(subjectName, 0, sizeof(WOLFSSL_X509_NAME));
+
+ /* push new node onto head of stack */
+ node->num = (ctx->ca_names == NULL) ? 1 : ctx->ca_names->num + 1;
+ node->next = ctx->ca_names;
+ ctx->ca_names = node;
+ return SSL_SUCCESS;
+ }
+ #endif
+
+ #ifndef NO_WOLFSSL_STUB
+ int wolfSSL_CTX_set_default_verify_paths(WOLFSSL_CTX* ctx)
+ {
+ /* TODO:, not needed in goahead */
+ (void)ctx;
+ WOLFSSL_STUB("SSL_CTX_set_default_verify_paths");
+ return SSL_NOT_IMPLEMENTED;
+ }
+ #endif
+
+ #if defined(WOLFCRYPT_HAVE_SRP) && !defined(NO_SHA256) \
+ && !defined(WC_NO_RNG)
+ static const byte srp_N[] = {
+ 0xEE, 0xAF, 0x0A, 0xB9, 0xAD, 0xB3, 0x8D, 0xD6, 0x9C, 0x33, 0xF8,
+ 0x0A, 0xFA, 0x8F, 0xC5, 0xE8, 0x60, 0x72, 0x61, 0x87, 0x75, 0xFF,
+ 0x3C, 0x0B, 0x9E, 0xA2, 0x31, 0x4C, 0x9C, 0x25, 0x65, 0x76, 0xD6,
+ 0x74, 0xDF, 0x74, 0x96, 0xEA, 0x81, 0xD3, 0x38, 0x3B, 0x48, 0x13,
+ 0xD6, 0x92, 0xC6, 0xE0, 0xE0, 0xD5, 0xD8, 0xE2, 0x50, 0xB9, 0x8B,
+ 0xE4, 0x8E, 0x49, 0x5C, 0x1D, 0x60, 0x89, 0xDA, 0xD1, 0x5D, 0xC7,
+ 0xD7, 0xB4, 0x61, 0x54, 0xD6, 0xB6, 0xCE, 0x8E, 0xF4, 0xAD, 0x69,
+ 0xB1, 0x5D, 0x49, 0x82, 0x55, 0x9B, 0x29, 0x7B, 0xCF, 0x18, 0x85,
+ 0xC5, 0x29, 0xF5, 0x66, 0x66, 0x0E, 0x57, 0xEC, 0x68, 0xED, 0xBC,
+ 0x3C, 0x05, 0x72, 0x6C, 0xC0, 0x2F, 0xD4, 0xCB, 0xF4, 0x97, 0x6E,
+ 0xAA, 0x9A, 0xFD, 0x51, 0x38, 0xFE, 0x83, 0x76, 0x43, 0x5B, 0x9F,
+ 0xC6, 0x1D, 0x2F, 0xC0, 0xEB, 0x06, 0xE3
+ };
+ static const byte srp_g[] = {
+ 0x02
+ };
+
+ int wolfSSL_CTX_set_srp_username(WOLFSSL_CTX* ctx, char* username)
+ {
+ int r = 0;
+ SrpSide srp_side = SRP_CLIENT_SIDE;
+ WC_RNG rng;
+ byte salt[SRP_SALT_SIZE];
+
+ WOLFSSL_ENTER("wolfSSL_CTX_set_srp_username");
+ if (ctx == NULL || ctx->srp == NULL || username==NULL)
+ return SSL_FAILURE;
+
+ if (ctx->method->side == WOLFSSL_SERVER_END){
+ srp_side = SRP_SERVER_SIDE;
+ } else if (ctx->method->side == WOLFSSL_CLIENT_END){
+ srp_side = SRP_CLIENT_SIDE;
+ } else {
+ WOLFSSL_MSG("Init CTX failed");
+ return SSL_FAILURE;
+ }
+
+ if (wc_SrpInit(ctx->srp, SRP_TYPE_SHA256, srp_side) < 0){
+ WOLFSSL_MSG("Init CTX failed");
+ XFREE(ctx->srp, ctx->heap, DYNAMIC_TYPE_SRP);
+ wolfSSL_CTX_free(ctx);
+ return SSL_FAILURE;
+ }
+ r = wc_SrpSetUsername(ctx->srp, (const byte*)username,
+ (word32)XSTRLEN(username));
+ if (r < 0) {
+ WOLFSSL_MSG("fail to set srp username.");
+ return SSL_FAILURE;
+ }
+
+ /* if wolfSSL_CTX_set_srp_password has already been called, */
+ /* execute wc_SrpSetPassword here */
+ if (ctx->srp_password != NULL){
+ if (wc_InitRng(&rng) < 0){
+ WOLFSSL_MSG("wc_InitRng failed");
+ return SSL_FAILURE;
+ }
+ XMEMSET(salt, 0, sizeof(salt)/sizeof(salt[0]));
+ if (wc_RNG_GenerateBlock(&rng, salt,
+ sizeof(salt)/sizeof(salt[0])) < 0){
+ WOLFSSL_MSG("wc_RNG_GenerateBlock failed");
+ wc_FreeRng(&rng);
+ return SSL_FAILURE;
+ }
+ if (wc_SrpSetParams(ctx->srp, srp_N, sizeof(srp_N)/sizeof(srp_N[0]),
+ srp_g, sizeof(srp_g)/sizeof(srp_g[0]),
+ salt, sizeof(salt)/sizeof(salt[0])) < 0){
+ WOLFSSL_MSG("wc_SrpSetParam failed");
+ wc_FreeRng(&rng);
+ return SSL_FAILURE;
+ }
+ r = wc_SrpSetPassword(ctx->srp,
+ (const byte*)ctx->srp_password,
+ (word32)XSTRLEN((char *)ctx->srp_password));
+ if (r < 0) {
+ WOLFSSL_MSG("fail to set srp password.");
+ return SSL_FAILURE;
+ }
+ wc_FreeRng(&rng);
+ XFREE(ctx->srp_password, ctx->heap, DYNAMIC_TYPE_SRP);
+ ctx->srp_password = NULL;
+ }
+
+ return SSL_SUCCESS;
+ }
+
+ int wolfSSL_CTX_set_srp_password(WOLFSSL_CTX* ctx, char* password)
+ {
+ int r;
+ WC_RNG rng;
+ byte salt[SRP_SALT_SIZE];
+
+ WOLFSSL_ENTER("wolfSSL_CTX_set_srp_password");
+ if (ctx == NULL || ctx->srp == NULL || password == NULL)
+ return SSL_FAILURE;
+
+ if (ctx->srp->user != NULL){
+ if (wc_InitRng(&rng) < 0){
+ WOLFSSL_MSG("wc_InitRng failed");
+ return SSL_FAILURE;
+ }
+ XMEMSET(salt, 0, sizeof(salt)/sizeof(salt[0]));
+ if (wc_RNG_GenerateBlock(&rng, salt,
+ sizeof(salt)/sizeof(salt[0])) < 0){
+ WOLFSSL_MSG("wc_RNG_GenerateBlock failed");
+ wc_FreeRng(&rng);
+ return SSL_FAILURE;
+ }
+ if (wc_SrpSetParams(ctx->srp, srp_N, sizeof(srp_N)/sizeof(srp_N[0]),
+ srp_g, sizeof(srp_g)/sizeof(srp_g[0]),
+ salt, sizeof(salt)/sizeof(salt[0])) < 0){
+ WOLFSSL_MSG("wc_SrpSetParam failed");
+ wc_FreeRng(&rng);
+ return SSL_FAILURE;
+ }
+ r = wc_SrpSetPassword(ctx->srp, (const byte*)password,
+ (word32)XSTRLEN(password));
+ if (r < 0) {
+ WOLFSSL_MSG("wc_SrpSetPassword failed.");
+ wc_FreeRng(&rng);
+ return SSL_FAILURE;
+ }
+ if (ctx->srp_password != NULL){
+ XFREE(ctx->srp_password,NULL,
+ DYNAMIC_TYPE_SRP);
+ ctx->srp_password = NULL;
+ }
+ wc_FreeRng(&rng);
+ } else {
+ /* save password for wolfSSL_set_srp_username */
+ if (ctx->srp_password != NULL)
+ XFREE(ctx->srp_password,ctx->heap, DYNAMIC_TYPE_SRP);
+
+ ctx->srp_password = (byte*)XMALLOC(XSTRLEN(password) + 1, ctx->heap,
+ DYNAMIC_TYPE_SRP);
+ if (ctx->srp_password == NULL){
+ WOLFSSL_MSG("memory allocation error");
+ return SSL_FAILURE;
+ }
+ XMEMCPY(ctx->srp_password, password, XSTRLEN(password) + 1);
+ }
+ return SSL_SUCCESS;
+ }
+ #endif /* WOLFCRYPT_HAVE_SRP && !NO_SHA256 && !WC_NO_RNG */
+
+ /* keyblock size in bytes or -1 */
+ int wolfSSL_get_keyblock_size(WOLFSSL* ssl)
+ {
+ if (ssl == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ return 2 * (ssl->specs.key_size + ssl->specs.iv_size +
+ ssl->specs.hash_size);
+ }
+
+
+ /* store keys returns WOLFSSL_SUCCESS or -1 on error */
+ int wolfSSL_get_keys(WOLFSSL* ssl, unsigned char** ms, unsigned int* msLen,
+ unsigned char** sr, unsigned int* srLen,
+ unsigned char** cr, unsigned int* crLen)
+ {
+ if (ssl == NULL || ssl->arrays == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ *ms = ssl->arrays->masterSecret;
+ *sr = ssl->arrays->serverRandom;
+ *cr = ssl->arrays->clientRandom;
+
+ *msLen = SECRET_LEN;
+ *srLen = RAN_LEN;
+ *crLen = RAN_LEN;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+#endif /* OPENSSL_EXTRA */
+
+#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_EXTRA)
+ void wolfSSL_set_accept_state(WOLFSSL* ssl)
+ {
+ word16 haveRSA = 1;
+ word16 havePSK = 0;
+
+ WOLFSSL_ENTER("SSL_set_accept_state");
+ if (ssl->options.side == WOLFSSL_CLIENT_END) {
+ #ifdef HAVE_ECC
+ ecc_key key;
+ word32 idx = 0;
+
+ if (ssl->options.haveStaticECC && ssl->buffers.key != NULL) {
+ wc_ecc_init(&key);
+ if (wc_EccPrivateKeyDecode(ssl->buffers.key->buffer, &idx, &key,
+ ssl->buffers.key->length) != 0) {
+ ssl->options.haveECDSAsig = 0;
+ ssl->options.haveECC = 0;
+ ssl->options.haveStaticECC = 0;
+ }
+ wc_ecc_free(&key);
+ }
+ #endif
+
+ #ifndef NO_DH
+ if (!ssl->options.haveDH && ssl->ctx->haveDH) {
+ ssl->buffers.serverDH_P = ssl->ctx->serverDH_P;
+ ssl->buffers.serverDH_G = ssl->ctx->serverDH_G;
+ ssl->options.haveDH = 1;
+ }
+ #endif
+ }
+ ssl->options.side = WOLFSSL_SERVER_END;
+ /* reset suites in case user switched */
+
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+ #endif
+ InitSuites(ssl->suites, ssl->version, ssl->buffers.keySz, haveRSA,
+ havePSK, ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+ }
+
+#endif /* OPENSSL_EXTRA || WOLFSSL_EXTRA */
+
+ /* return true if connection established */
+ int wolfSSL_is_init_finished(WOLFSSL* ssl)
+ {
+ if (ssl == NULL)
+ return 0;
+
+ if (ssl->options.handShakeState == HANDSHAKE_DONE)
+ return 1;
+
+ return 0;
+ }
+
+#ifdef OPENSSL_EXTRA
+
+ void wolfSSL_CTX_set_tmp_rsa_callback(WOLFSSL_CTX* ctx,
+ WOLFSSL_RSA*(*f)(WOLFSSL*, int, int))
+ {
+ /* wolfSSL verifies all these internally */
+ (void)ctx;
+ (void)f;
+ }
+
+
+ void wolfSSL_set_shutdown(WOLFSSL* ssl, int opt)
+ {
+ WOLFSSL_ENTER("wolfSSL_set_shutdown");
+ if(ssl==NULL) {
+ WOLFSSL_MSG("Shutdown not set. ssl is null");
+ return;
+ }
+
+ ssl->options.sentNotify = (opt&WOLFSSL_SENT_SHUTDOWN) > 0;
+ ssl->options.closeNotify = (opt&WOLFSSL_RECEIVED_SHUTDOWN) > 0;
+ }
+
+
+ long wolfSSL_CTX_get_options(WOLFSSL_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_CTX_get_options");
+ WOLFSSL_MSG("wolfSSL options are set through API calls and macros");
+ if(ctx == NULL)
+ return BAD_FUNC_ARG;
+ return ctx->mask;
+ }
+
+ static long wolf_set_options(long old_op, long op);
+ long wolfSSL_CTX_set_options(WOLFSSL_CTX* ctx, long opt)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_options");
+
+ if (ctx == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->mask = wolf_set_options(ctx->mask, opt);
+
+ return ctx->mask;
+ }
+
+ long wolfSSL_CTX_clear_options(WOLFSSL_CTX* ctx, long opt)
+ {
+ WOLFSSL_ENTER("SSL_CTX_clear_options");
+ if(ctx == NULL)
+ return BAD_FUNC_ARG;
+ ctx->mask &= ~opt;
+ return ctx->mask;
+ }
+
+ int wolfSSL_set_rfd(WOLFSSL* ssl, int rfd)
+ {
+ WOLFSSL_ENTER("SSL_set_rfd");
+ ssl->rfd = rfd; /* not used directly to allow IO callbacks */
+
+ ssl->IOCB_ReadCtx = &ssl->rfd;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ int wolfSSL_set_wfd(WOLFSSL* ssl, int wfd)
+ {
+ WOLFSSL_ENTER("SSL_set_wfd");
+ ssl->wfd = wfd; /* not used directly to allow IO callbacks */
+
+ ssl->IOCB_WriteCtx = &ssl->wfd;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+
+
+#ifndef NO_CERTS
+ WOLFSSL_X509_STORE* wolfSSL_CTX_get_cert_store(WOLFSSL_CTX* ctx)
+ {
+ if (ctx == NULL) {
+ return NULL;
+ }
+
+ return &ctx->x509_store;
+ }
+
+
+ void wolfSSL_CTX_set_cert_store(WOLFSSL_CTX* ctx, WOLFSSL_X509_STORE* str)
+ {
+ if (ctx == NULL || str == NULL) {
+ return;
+ }
+
+ /* free cert manager if have one */
+ if (ctx->cm != NULL) {
+ wolfSSL_CertManagerFree(ctx->cm);
+ }
+ ctx->cm = str->cm;
+ ctx->x509_store.cache = str->cache;
+ ctx->x509_store_pt = str; /* take ownership of store and free it
+ with CTX free */
+ }
+
+
+ WOLFSSL_X509* wolfSSL_X509_STORE_CTX_get_current_cert(
+ WOLFSSL_X509_STORE_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_get_current_cert");
+ if (ctx)
+ return ctx->current_cert;
+ return NULL;
+ }
+
+
+ int wolfSSL_X509_STORE_CTX_get_error(WOLFSSL_X509_STORE_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_get_error");
+ if (ctx != NULL)
+ return ctx->error;
+ return 0;
+ }
+
+
+ int wolfSSL_X509_STORE_CTX_get_error_depth(WOLFSSL_X509_STORE_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_get_error_depth");
+ if(ctx)
+ return ctx->error_depth;
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ void wolfSSL_X509_STORE_CTX_set_verify_cb(WOLFSSL_X509_STORE_CTX *ctx,
+ WOLFSSL_X509_STORE_CTX_verify_cb verify_cb)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_set_verify_cb");
+ if(ctx == NULL)
+ return;
+ ctx->verify_cb = verify_cb;
+ }
+#endif /* !NO_CERTS */
+
+ WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_buffer(void)
+ {
+ static WOLFSSL_BIO_METHOD meth;
+
+ WOLFSSL_ENTER("BIO_f_buffer");
+ meth.type = WOLFSSL_BIO_BUFFER;
+
+ return &meth;
+ }
+
+ #ifndef NO_WOLFSSL_STUB
+ long wolfSSL_BIO_set_write_buffer_size(WOLFSSL_BIO* bio, long size)
+ {
+ /* wolfSSL has internal buffer, compatibility only */
+ WOLFSSL_ENTER("BIO_set_write_buffer_size");
+ WOLFSSL_STUB("BIO_set_write_buffer_size");
+ (void)bio;
+ return size;
+ }
+ #endif
+
+ WOLFSSL_BIO_METHOD* wolfSSL_BIO_s_bio(void)
+ {
+ static WOLFSSL_BIO_METHOD bio_meth;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_f_bio");
+ bio_meth.type = WOLFSSL_BIO_BIO;
+
+ return &bio_meth;
+ }
+
+
+#ifndef NO_FILESYSTEM
+ WOLFSSL_BIO_METHOD* wolfSSL_BIO_s_file(void)
+ {
+ static WOLFSSL_BIO_METHOD file_meth;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_f_file");
+ file_meth.type = WOLFSSL_BIO_FILE;
+
+ return &file_meth;
+ }
+#endif
+
+
+ WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_ssl(void)
+ {
+ static WOLFSSL_BIO_METHOD meth;
+
+ WOLFSSL_ENTER("BIO_f_ssl");
+ meth.type = WOLFSSL_BIO_SSL;
+
+ return &meth;
+ }
+
+
+ WOLFSSL_BIO_METHOD *wolfSSL_BIO_s_socket(void)
+ {
+ static WOLFSSL_BIO_METHOD meth;
+
+ WOLFSSL_ENTER("BIO_s_socket");
+ meth.type = WOLFSSL_BIO_SOCKET;
+
+ return &meth;
+ }
+
+
+ WOLFSSL_BIO* wolfSSL_BIO_new_socket(int sfd, int closeF)
+ {
+ WOLFSSL_BIO* bio = wolfSSL_BIO_new(wolfSSL_BIO_s_socket());
+
+ WOLFSSL_ENTER("BIO_new_socket");
+ if (bio) {
+ bio->type = WOLFSSL_BIO_SOCKET;
+ bio->close = (byte)closeF;
+ bio->fd = sfd;
+ }
+ return bio;
+ }
+
+
+ int wolfSSL_BIO_eof(WOLFSSL_BIO* b)
+ {
+ WOLFSSL_ENTER("BIO_eof");
+ if (b->eof)
+ return 1;
+
+ return 0;
+ }
+
+
+ long wolfSSL_BIO_set_ssl(WOLFSSL_BIO* b, WOLFSSL* ssl, int closeF)
+ {
+ WOLFSSL_ENTER("wolfSSL_BIO_set_ssl");
+
+ if (b != NULL) {
+ b->ssl = ssl;
+ b->close = (byte)closeF;
+ /* add to ssl for bio free if SSL_free called before/instead of free_all? */
+ }
+
+ return 0;
+ }
+
+
+ long wolfSSL_BIO_set_fd(WOLFSSL_BIO* b, int fd, int closeF)
+ {
+ WOLFSSL_ENTER("wolfSSL_BIO_set_fd");
+
+ if (b != NULL) {
+ b->fd = fd;
+ b->close = (byte)closeF;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ WOLFSSL_BIO* wolfSSL_BIO_new(WOLFSSL_BIO_METHOD* method)
+ {
+ WOLFSSL_BIO* bio = (WOLFSSL_BIO*) XMALLOC(sizeof(WOLFSSL_BIO), 0,
+ DYNAMIC_TYPE_OPENSSL);
+ WOLFSSL_ENTER("wolfSSL_BIO_new");
+ if (bio) {
+ XMEMSET(bio, 0, sizeof(WOLFSSL_BIO));
+ bio->type = method->type;
+ bio->close = BIO_CLOSE; /* default to close things */
+ if (method->type != WOLFSSL_BIO_FILE &&
+ method->type != WOLFSSL_BIO_SOCKET) {
+ bio->mem_buf =(WOLFSSL_BUF_MEM*)XMALLOC(sizeof(WOLFSSL_BUF_MEM),
+ 0, DYNAMIC_TYPE_OPENSSL);
+ if (bio->mem_buf == NULL) {
+ WOLFSSL_MSG("Memory error");
+ wolfSSL_BIO_free(bio);
+ return NULL;
+ }
+ bio->mem_buf->data = (char*)bio->mem;
+ }
+ }
+ return bio;
+ }
+
+
+ int wolfSSL_BIO_get_mem_data(WOLFSSL_BIO* bio, void* p)
+ {
+ WOLFSSL_ENTER("wolfSSL_BIO_get_mem_data");
+
+ if (bio == NULL || p == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ *(byte **)p = bio->mem;
+
+ return bio->memLen;
+ }
+
+
+ WOLFSSL_BIO* wolfSSL_BIO_new_mem_buf(void* buf, int len)
+ {
+ WOLFSSL_BIO* bio = NULL;
+
+ if (buf == NULL || len < 0) {
+ return bio;
+ }
+
+ bio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem());
+ if (bio == NULL) {
+ return bio;
+ }
+
+ bio->memLen = bio->wrSz = len;
+ bio->mem = (byte*)XMALLOC(len, 0, DYNAMIC_TYPE_OPENSSL);
+ if (bio->mem == NULL) {
+ wolfSSL_BIO_free(bio);
+ return NULL;
+ }
+ if (bio->mem_buf != NULL) {
+ bio->mem_buf->data = (char*)bio->mem;
+ bio->mem_buf->length = bio->memLen;
+ }
+
+ XMEMCPY(bio->mem, buf, len);
+
+ return bio;
+ }
+
+ /*
+ * Note : If the flag BIO_NOCLOSE is set then freeing memory buffers is up
+ * to the application.
+ */
+ int wolfSSL_BIO_free(WOLFSSL_BIO* bio)
+ {
+ /* unchain?, doesn't matter in goahead since from free all */
+ WOLFSSL_ENTER("wolfSSL_BIO_free");
+ if (bio) {
+ /* remove from pair by setting the paired bios pair to NULL */
+ if (bio->pair != NULL) {
+ bio->pair->pair = NULL;
+ }
+
+ if (bio->close) {
+ if (bio->ssl)
+ wolfSSL_free(bio->ssl);
+ if (bio->fd)
+ CloseSocket(bio->fd);
+ }
+
+ #ifndef NO_FILESYSTEM
+ if (bio->type == WOLFSSL_BIO_FILE && bio->close == BIO_CLOSE) {
+ if (bio->file) {
+ XFCLOSE(bio->file);
+ }
+ }
+ #endif
+
+ if (bio->close != BIO_NOCLOSE) {
+ if (bio->mem != NULL) {
+ if (bio->mem_buf != NULL) {
+ if (bio->mem_buf->data != (char*)bio->mem) {
+ XFREE(bio->mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ bio->mem = NULL;
+ }
+ }
+ else {
+ XFREE(bio->mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ bio->mem = NULL;
+ }
+ }
+ if (bio->mem_buf != NULL) {
+ wolfSSL_BUF_MEM_free(bio->mem_buf);
+ bio->mem_buf = NULL;
+ }
+ }
+
+ XFREE(bio, 0, DYNAMIC_TYPE_OPENSSL);
+ }
+ return 0;
+ }
+
+
+ int wolfSSL_BIO_free_all(WOLFSSL_BIO* bio)
+ {
+ WOLFSSL_ENTER("BIO_free_all");
+ while (bio) {
+ WOLFSSL_BIO* next = bio->next;
+ wolfSSL_BIO_free(bio);
+ bio = next;
+ }
+ return 0;
+ }
+
+
+ WOLFSSL_BIO* wolfSSL_BIO_push(WOLFSSL_BIO* top, WOLFSSL_BIO* append)
+ {
+ WOLFSSL_ENTER("BIO_push");
+ top->next = append;
+ append->prev = top;
+
+ return top;
+ }
+
+
+ int wolfSSL_BIO_flush(WOLFSSL_BIO* bio)
+ {
+ /* for wolfSSL no flushing needed */
+ WOLFSSL_ENTER("BIO_flush");
+ (void)bio;
+ return 1;
+ }
+#endif /* OPENSSL_EXTRA */
+
+#ifdef WOLFSSL_ENCRYPTED_KEYS
+
+ void wolfSSL_CTX_set_default_passwd_cb_userdata(WOLFSSL_CTX* ctx,
+ void* userdata)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_default_passwd_cb_userdata");
+ ctx->passwd_userdata = userdata;
+ }
+
+
+ void wolfSSL_CTX_set_default_passwd_cb(WOLFSSL_CTX* ctx,pem_password_cb* cb)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_default_passwd_cb");
+ if (ctx != NULL) {
+ ctx->passwd_cb = cb;
+ }
+ }
+
+ pem_password_cb* wolfSSL_CTX_get_default_passwd_cb(WOLFSSL_CTX *ctx)
+ {
+ if (ctx == NULL || ctx->passwd_cb == NULL) {
+ return NULL;
+ }
+
+ return ctx->passwd_cb;
+ }
+
+
+ void* wolfSSL_CTX_get_default_passwd_cb_userdata(WOLFSSL_CTX *ctx)
+ {
+ if (ctx == NULL) {
+ return NULL;
+ }
+
+ return ctx->passwd_userdata;
+ }
+
+#if !defined(NO_PWDBASED) && (defined(OPENSSL_EXTRA) || \
+ defined(OPENSSL_EXTRA_X509_SMALL) || defined(HAVE_WEBSERVER))
+
+ int wolfSSL_EVP_BytesToKey(const WOLFSSL_EVP_CIPHER* type,
+ const WOLFSSL_EVP_MD* md, const byte* salt,
+ const byte* data, int sz, int count, byte* key, byte* iv)
+ {
+ int ret;
+ int hashType = WC_HASH_TYPE_NONE;
+ #ifdef WOLFSSL_SMALL_STACK
+ EncryptedInfo* info = NULL;
+ #else
+ EncryptedInfo info[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ info = (EncryptedInfo*)XMALLOC(sizeof(EncryptedInfo), NULL,
+ DYNAMIC_TYPE_ENCRYPTEDINFO);
+ if (info == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+ #endif
+
+ XMEMSET(info, 0, sizeof(EncryptedInfo));
+ info->ivSz = EVP_SALT_SIZE;
+
+ ret = wolfSSL_EVP_get_hashinfo(md, &hashType, NULL);
+ if (ret == 0)
+ ret = wc_EncryptedInfoGet(info, type);
+ if (ret == 0)
+ ret = wc_PBKDF1_ex(key, info->keySz, iv, info->ivSz, data, sz, salt,
+ EVP_SALT_SIZE, count, hashType, NULL);
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+ #endif
+
+ if (ret <= 0)
+ return 0; /* failure - for compatibility */
+
+ return ret;
+ }
+
+#endif /* !NO_PWDBASED && (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL || HAVE_WEBSERVER) */
+#endif /* WOLFSSL_ENCRYPTED_KEYS */
+
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+ int wolfSSL_num_locks(void)
+ {
+ return 0;
+ }
+
+ void wolfSSL_set_locking_callback(void (*f)(int, int, const char*, int))
+ {
+ WOLFSSL_ENTER("wolfSSL_set_locking_callback");
+
+ if (wc_SetMutexCb(f) != 0) {
+ WOLFSSL_MSG("Error when setting mutex call back");
+ }
+ }
+
+
+ typedef unsigned long (idCb)(void);
+ static idCb* inner_idCb = NULL;
+
+ unsigned long wolfSSL_thread_id(void)
+ {
+ if (inner_idCb != NULL) {
+ return inner_idCb();
+ }
+ else {
+ return 0;
+ }
+ }
+
+
+ void wolfSSL_set_id_callback(unsigned long (*f)(void))
+ {
+ inner_idCb = f;
+ }
+
+ unsigned long wolfSSL_ERR_get_error(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_ERR_get_error");
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+ {
+ unsigned long ret = wolfSSL_ERR_peek_error_line_data(NULL, NULL,
+ NULL, NULL);
+ wc_RemoveErrorNode(-1);
+ return ret;
+ }
+#elif (defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE))
+ {
+ int ret = wc_PullErrorNode(NULL, NULL, NULL);
+
+ if (ret < 0) {
+ if (ret == BAD_STATE_E) return 0; /* no errors in queue */
+ WOLFSSL_MSG("Error with pulling error node!");
+ WOLFSSL_LEAVE("wolfSSL_ERR_get_error", ret);
+ ret = 0 - ret; /* return absolute value of error */
+
+ /* panic and try to clear out nodes */
+ wc_ClearErrorNodes();
+ }
+
+ return (unsigned long)ret;
+ }
+#else
+ return (unsigned long)(0 - NOT_COMPILED_IN);
+#endif
+ }
+
+#endif /* OPENSSL_EXTRA || HAVE_WEBSERVER */
+
+
+#ifdef OPENSSL_EXTRA
+
+#if !defined(NO_WOLFSSL_SERVER)
+size_t wolfSSL_get_server_random(const WOLFSSL *ssl, unsigned char *out,
+ size_t outSz)
+{
+ size_t size;
+
+ /* return max size of buffer */
+ if (outSz == 0) {
+ return RAN_LEN;
+ }
+
+ if (ssl == NULL || out == NULL) {
+ return 0;
+ }
+
+ if (ssl->options.saveArrays == 0 || ssl->arrays == NULL) {
+ WOLFSSL_MSG("Arrays struct not saved after handshake");
+ return 0;
+ }
+
+ if (outSz > RAN_LEN) {
+ size = RAN_LEN;
+ }
+ else {
+ size = outSz;
+ }
+
+ XMEMCPY(out, ssl->arrays->serverRandom, size);
+ return size;
+}
+#endif /* !defined(NO_WOLFSSL_SERVER) */
+
+
+#if !defined(NO_WOLFSSL_CLIENT)
+/* Return the amount of random bytes copied over or error case.
+ * ssl : ssl struct after handshake
+ * out : buffer to hold random bytes
+ * outSz : either 0 (return max buffer sz) or size of out buffer
+ *
+ * NOTE: wolfSSL_KeepArrays(ssl) must be called to retain handshake information.
+ */
+size_t wolfSSL_get_client_random(const WOLFSSL* ssl, unsigned char* out,
+ size_t outSz)
+{
+ size_t size;
+
+ /* return max size of buffer */
+ if (outSz == 0) {
+ return RAN_LEN;
+ }
+
+ if (ssl == NULL || out == NULL) {
+ return 0;
+ }
+
+ if (ssl->options.saveArrays == 0 || ssl->arrays == NULL) {
+ WOLFSSL_MSG("Arrays struct not saved after handshake");
+ return 0;
+ }
+
+ if (outSz > RAN_LEN) {
+ size = RAN_LEN;
+ }
+ else {
+ size = outSz;
+ }
+
+ XMEMCPY(out, ssl->arrays->clientRandom, size);
+ return size;
+}
+#endif /* !NO_WOLFSSL_CLIENT */
+
+
+ unsigned long wolfSSLeay(void)
+ {
+ return SSLEAY_VERSION_NUMBER;
+ }
+
+
+ const char* wolfSSLeay_version(int type)
+ {
+ static const char* version = "SSLeay wolfSSL compatibility";
+ (void)type;
+ return version;
+ }
+
+
+#ifndef NO_MD5
+ int wolfSSL_MD5_Init(WOLFSSL_MD5_CTX* md5)
+ {
+ int ret;
+ typedef char md5_test[sizeof(MD5_CTX) >= sizeof(wc_Md5) ? 1 : -1];
+ (void)sizeof(md5_test);
+
+ WOLFSSL_ENTER("MD5_Init");
+ ret = wc_InitMd5((wc_Md5*)md5);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_MD5_Update(WOLFSSL_MD5_CTX* md5, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_MD5_Update");
+ ret = wc_Md5Update((wc_Md5*)md5, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_MD5_Final(byte* input, WOLFSSL_MD5_CTX* md5)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("MD5_Final");
+ ret = wc_Md5Final((wc_Md5*)md5, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+#endif /* !NO_MD5 */
+
+
+#ifndef NO_SHA
+ int wolfSSL_SHA_Init(WOLFSSL_SHA_CTX* sha)
+ {
+ int ret;
+
+ typedef char sha_test[sizeof(SHA_CTX) >= sizeof(wc_Sha) ? 1 : -1];
+ (void)sizeof(sha_test);
+
+ WOLFSSL_ENTER("SHA_Init");
+ ret = wc_InitSha((wc_Sha*)sha);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA_Update(WOLFSSL_SHA_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA_Update");
+ ret = wc_ShaUpdate((wc_Sha*)sha, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA_Final(byte* input, WOLFSSL_SHA_CTX* sha)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA_Final");
+ ret = wc_ShaFinal((wc_Sha*)sha, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA1_Init(WOLFSSL_SHA_CTX* sha)
+ {
+ WOLFSSL_ENTER("SHA1_Init");
+ return SHA_Init(sha);
+ }
+
+
+ int wolfSSL_SHA1_Update(WOLFSSL_SHA_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ WOLFSSL_ENTER("SHA1_Update");
+ return SHA_Update(sha, input, sz);
+ }
+
+
+ int wolfSSL_SHA1_Final(byte* input, WOLFSSL_SHA_CTX* sha)
+ {
+ WOLFSSL_ENTER("SHA1_Final");
+ return SHA_Final(input, sha);
+ }
+#endif /* !NO_SHA */
+
+#ifdef WOLFSSL_SHA224
+
+ int wolfSSL_SHA224_Init(WOLFSSL_SHA224_CTX* sha)
+ {
+ int ret;
+
+ typedef char sha_test[sizeof(SHA224_CTX) >= sizeof(wc_Sha224) ? 1 : -1];
+ (void)sizeof(sha_test);
+
+ WOLFSSL_ENTER("SHA224_Init");
+ ret = wc_InitSha224((wc_Sha224*)sha);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA224_Update(WOLFSSL_SHA224_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA224_Update");
+ ret = wc_Sha224Update((wc_Sha224*)sha, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA224_Final(byte* input, WOLFSSL_SHA224_CTX* sha)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA224_Final");
+ ret = wc_Sha224Final((wc_Sha224*)sha, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+#endif /* WOLFSSL_SHA224 */
+
+
+ int wolfSSL_SHA256_Init(WOLFSSL_SHA256_CTX* sha256)
+ {
+ int ret;
+
+ typedef char sha_test[sizeof(SHA256_CTX) >= sizeof(wc_Sha256) ? 1 : -1];
+ (void)sizeof(sha_test);
+
+ WOLFSSL_ENTER("SHA256_Init");
+ ret = wc_InitSha256((wc_Sha256*)sha256);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA256_Update(WOLFSSL_SHA256_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA256_Update");
+ ret = wc_Sha256Update((wc_Sha256*)sha, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA256_Final(byte* input, WOLFSSL_SHA256_CTX* sha)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA256_Final");
+ ret = wc_Sha256Final((wc_Sha256*)sha, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+#ifdef WOLFSSL_SHA384
+
+ int wolfSSL_SHA384_Init(WOLFSSL_SHA384_CTX* sha)
+ {
+ int ret;
+
+ typedef char sha_test[sizeof(SHA384_CTX) >= sizeof(wc_Sha384) ? 1 : -1];
+ (void)sizeof(sha_test);
+
+ WOLFSSL_ENTER("SHA384_Init");
+ ret = wc_InitSha384((wc_Sha384*)sha);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA384_Update(WOLFSSL_SHA384_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA384_Update");
+ ret = wc_Sha384Update((wc_Sha384*)sha, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA384_Final(byte* input, WOLFSSL_SHA384_CTX* sha)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA384_Final");
+ ret = wc_Sha384Final((wc_Sha384*)sha, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+#endif /* WOLFSSL_SHA384 */
+
+
+#ifdef WOLFSSL_SHA512
+
+ int wolfSSL_SHA512_Init(WOLFSSL_SHA512_CTX* sha)
+ {
+ int ret;
+
+ typedef char sha_test[sizeof(SHA512_CTX) >= sizeof(wc_Sha512) ? 1 : -1];
+ (void)sizeof(sha_test);
+
+ WOLFSSL_ENTER("SHA512_Init");
+ ret = wc_InitSha512((wc_Sha512*)sha);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA512_Update(WOLFSSL_SHA512_CTX* sha, const void* input,
+ unsigned long sz)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA512_Update");
+ ret = wc_Sha512Update((wc_Sha512*)sha, (const byte*)input, (word32)sz);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+
+ int wolfSSL_SHA512_Final(byte* input, WOLFSSL_SHA512_CTX* sha)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("SHA512_Final");
+ ret = wc_Sha512Final((wc_Sha512*)sha, input);
+
+ /* return 1 on success, 0 otherwise */
+ if (ret == 0)
+ return 1;
+
+ return 0;
+ }
+
+#endif /* WOLFSSL_SHA512 */
+
+ static const struct s_ent {
+ const unsigned char macType;
+ const char *name;
+ } md_tbl[] = {
+ #ifndef NO_MD4
+ {MD4, "MD4"},
+ #endif /* NO_MD4 */
+
+ #ifndef NO_MD5
+ {WC_MD5, "MD5"},
+ #endif /* NO_MD5 */
+
+ #ifndef NO_SHA
+ {WC_SHA, "SHA"},
+ #endif /* NO_SHA */
+
+ #ifdef WOLFSSL_SHA224
+ {WC_SHA224, "SHA224"},
+ #endif /* WOLFSSL_SHA224 */
+ #ifndef NO_SHA256
+ {WC_SHA256, "SHA256"},
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ {WC_SHA384, "SHA384"},
+ #endif /* WOLFSSL_SHA384 */
+ #ifdef WOLFSSL_SHA512
+ {WC_SHA512, "SHA512"},
+ #endif /* WOLFSSL_SHA512 */
+ {0, NULL}
+ };
+
+const WOLFSSL_EVP_MD *wolfSSL_EVP_get_digestbyname(const char *name)
+{
+ static const struct alias {
+ const char *name;
+ const char *alias;
+ } alias_tbl[] =
+ {
+ {"MD4", "ssl3-md4"},
+ {"MD5", "ssl3-md5"},
+ {"SHA", "ssl3-sha1"},
+ {"SHA", "SHA1"},
+ { NULL, NULL}
+ };
+
+ const struct alias *al;
+ const struct s_ent *ent;
+
+ for (al = alias_tbl; al->name != NULL; al++)
+ if(XSTRNCMP(name, al->alias, XSTRLEN(al->alias)+1) == 0) {
+ name = al->name;
+ break;
+ }
+
+ for (ent = md_tbl; ent->name != NULL; ent++)
+ if(XSTRNCMP(name, ent->name, XSTRLEN(ent->name)+1) == 0) {
+ return (EVP_MD *)ent->name;
+ }
+ return NULL;
+}
+
+static WOLFSSL_EVP_MD *wolfSSL_EVP_get_md(const unsigned char type)
+{
+ const struct s_ent *ent ;
+ WOLFSSL_ENTER("EVP_get_md");
+ for( ent = md_tbl; ent->name != NULL; ent++){
+ if(type == ent->macType) {
+ return (WOLFSSL_EVP_MD *)ent->name;
+ }
+ }
+ return (WOLFSSL_EVP_MD *)"";
+}
+
+int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD *md)
+{
+ const struct s_ent *ent ;
+ WOLFSSL_ENTER("EVP_MD_type");
+ for( ent = md_tbl; ent->name != NULL; ent++){
+ if(XSTRNCMP((const char *)md, ent->name, XSTRLEN(ent->name)+1) == 0) {
+ return ent->macType;
+ }
+ }
+ return 0;
+}
+
+
+#ifndef NO_MD4
+
+ /* return a pointer to MD4 EVP type */
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_md4(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_md4");
+ return EVP_get_digestbyname("MD4");
+ }
+
+#endif /* !NO_MD4 */
+
+
+#ifndef NO_MD5
+
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_md5(void)
+ {
+ WOLFSSL_ENTER("EVP_md5");
+ return EVP_get_digestbyname("MD5");
+ }
+
+#endif /* !NO_MD5 */
+
+
+#ifndef NO_SHA
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_sha1(void)
+ {
+ WOLFSSL_ENTER("EVP_sha1");
+ return EVP_get_digestbyname("SHA");
+ }
+#endif /* NO_SHA */
+
+#ifdef WOLFSSL_SHA224
+
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_sha224(void)
+ {
+ WOLFSSL_ENTER("EVP_sha224");
+ return EVP_get_digestbyname("SHA224");
+ }
+
+#endif /* WOLFSSL_SHA224 */
+
+
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_sha256(void)
+ {
+ WOLFSSL_ENTER("EVP_sha256");
+ return EVP_get_digestbyname("SHA256");
+ }
+
+#ifdef WOLFSSL_SHA384
+
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_sha384(void)
+ {
+ WOLFSSL_ENTER("EVP_sha384");
+ return EVP_get_digestbyname("SHA384");
+ }
+
+#endif /* WOLFSSL_SHA384 */
+
+#ifdef WOLFSSL_SHA512
+
+ const WOLFSSL_EVP_MD* wolfSSL_EVP_sha512(void)
+ {
+ WOLFSSL_ENTER("EVP_sha512");
+ return EVP_get_digestbyname("SHA512");
+ }
+
+#endif /* WOLFSSL_SHA512 */
+
+
+ WOLFSSL_EVP_MD_CTX *wolfSSL_EVP_MD_CTX_new(void)
+ {
+ WOLFSSL_EVP_MD_CTX* ctx;
+ WOLFSSL_ENTER("EVP_MD_CTX_new");
+ ctx = (WOLFSSL_EVP_MD_CTX*)XMALLOC(sizeof *ctx, NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (ctx){
+ wolfSSL_EVP_MD_CTX_init(ctx);
+ }
+ return ctx;
+ }
+
+ WOLFSSL_API void wolfSSL_EVP_MD_CTX_free(WOLFSSL_EVP_MD_CTX *ctx)
+ {
+ if (ctx) {
+ WOLFSSL_ENTER("EVP_MD_CTX_free");
+ wolfSSL_EVP_MD_CTX_cleanup(ctx);
+ XFREE(ctx, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+ }
+
+
+ /* returns the type of message digest used by the ctx */
+ int wolfSSL_EVP_MD_CTX_type(const WOLFSSL_EVP_MD_CTX *ctx) {
+ WOLFSSL_ENTER("EVP_MD_CTX_type");
+ return ctx->macType;
+ }
+
+
+ /* returns WOLFSSL_SUCCESS on success */
+ int wolfSSL_EVP_MD_CTX_copy(WOLFSSL_EVP_MD_CTX *out, const WOLFSSL_EVP_MD_CTX *in)
+ {
+ return wolfSSL_EVP_MD_CTX_copy_ex(out, in);
+ }
+
+
+ /* copies structure in to the structure out
+ *
+ * returns WOLFSSL_SUCCESS on success */
+ int wolfSSL_EVP_MD_CTX_copy_ex(WOLFSSL_EVP_MD_CTX *out, const WOLFSSL_EVP_MD_CTX *in)
+ {
+ if ((out == NULL) || (in == NULL)) return WOLFSSL_FAILURE;
+ WOLFSSL_ENTER("EVP_CIPHER_MD_CTX_copy_ex");
+ XMEMCPY(out, in, sizeof(WOLFSSL_EVP_MD_CTX));
+ return WOLFSSL_SUCCESS;
+ }
+
+ void wolfSSL_EVP_MD_CTX_init(WOLFSSL_EVP_MD_CTX* ctx)
+ {
+ WOLFSSL_ENTER("EVP_CIPHER_MD_CTX_init");
+ XMEMSET(ctx, 0, sizeof(WOLFSSL_EVP_MD_CTX));
+ }
+
+ const WOLFSSL_EVP_MD *wolfSSL_EVP_MD_CTX_md(const WOLFSSL_EVP_MD_CTX *ctx)
+ {
+ if (ctx == NULL)
+ return NULL;
+ WOLFSSL_ENTER("EVP_MD_CTX_md");
+ return (const WOLFSSL_EVP_MD *)wolfSSL_EVP_get_md(ctx->macType);
+ }
+
+ #ifndef NO_AES
+
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_128_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_128_cbc");
+ if (EVP_AES_128_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_128_CBC;
+ }
+ #endif /* WOLFSSL_AES_128 */
+
+
+ #ifdef WOLFSSL_AES_192
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_192_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_192_cbc");
+ if (EVP_AES_192_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_192_CBC;
+ }
+ #endif /* WOLFSSL_AES_192 */
+
+
+ #ifdef WOLFSSL_AES_256
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_256_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_256_cbc");
+ if (EVP_AES_256_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_256_CBC;
+ }
+ #endif /* WOLFSSL_AES_256 */
+ #endif /* HAVE_AES_CBC */
+
+
+ #ifdef WOLFSSL_AES_128
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_128_ctr(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_128_ctr");
+ if (EVP_AES_128_CTR == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_128_CTR;
+ }
+ #endif /* WOLFSSL_AES_2128 */
+
+
+ #ifdef WOLFSSL_AES_192
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_192_ctr(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_192_ctr");
+ if (EVP_AES_192_CTR == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_192_CTR;
+ }
+ #endif /* WOLFSSL_AES_192 */
+
+
+ #ifdef WOLFSSL_AES_256
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_256_ctr(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_256_ctr");
+ if (EVP_AES_256_CTR == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_256_CTR;
+ }
+ #endif /* WOLFSSL_AES_256 */
+
+ #ifdef WOLFSSL_AES_128
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_128_ecb(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_128_ecb");
+ if (EVP_AES_128_ECB == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_128_ECB;
+ }
+ #endif /* WOLFSSL_AES_128 */
+
+
+ #ifdef WOLFSSL_AES_192
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_192_ecb(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_192_ecb");
+ if (EVP_AES_192_ECB == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_192_ECB;
+ }
+ #endif /* WOLFSSL_AES_192*/
+
+
+ #ifdef WOLFSSL_AES_256
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_aes_256_ecb(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_aes_256_ecb");
+ if (EVP_AES_256_ECB == NULL)
+ wolfSSL_EVP_init();
+ return EVP_AES_256_ECB;
+ }
+ #endif /* WOLFSSL_AES_256 */
+ #endif /* NO_AES */
+
+#ifndef NO_DES3
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_des_cbc");
+ if (EVP_DES_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_DES_CBC;
+ }
+#ifdef WOLFSSL_DES_ECB
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_ecb(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_des_ecb");
+ if (EVP_DES_ECB == NULL)
+ wolfSSL_EVP_init();
+ return EVP_DES_ECB;
+ }
+#endif
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_ede3_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_des_ede3_cbc");
+ if (EVP_DES_EDE3_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_DES_EDE3_CBC;
+ }
+#ifdef WOLFSSL_DES_ECB
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_des_ede3_ecb(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_des_ede3_ecb");
+ if (EVP_DES_EDE3_ECB == NULL)
+ wolfSSL_EVP_init();
+ return EVP_DES_EDE3_ECB;
+ }
+#endif
+#endif /* NO_DES3 */
+
+#ifndef NO_RC4
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_rc4(void)
+ {
+ static const char* type = "ARC4";
+ WOLFSSL_ENTER("wolfSSL_EVP_rc4");
+ return type;
+ }
+#endif
+
+#ifdef HAVE_IDEA
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_idea_cbc(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_idea_cbc");
+ if (EVP_IDEA_CBC == NULL)
+ wolfSSL_EVP_init();
+ return EVP_IDEA_CBC;
+ }
+#endif
+ const WOLFSSL_EVP_CIPHER* wolfSSL_EVP_enc_null(void)
+ {
+ static const char* type = "NULL";
+ WOLFSSL_ENTER("wolfSSL_EVP_enc_null");
+ return type;
+ }
+
+
+ int wolfSSL_EVP_MD_CTX_cleanup(WOLFSSL_EVP_MD_CTX* ctx)
+ {
+ WOLFSSL_ENTER("EVP_MD_CTX_cleanup");
+ ForceZero(ctx, sizeof(*ctx));
+ ctx->macType = 0xFF;
+ return 1;
+ }
+
+
+
+ void wolfSSL_EVP_CIPHER_CTX_init(WOLFSSL_EVP_CIPHER_CTX* ctx)
+ {
+ WOLFSSL_ENTER("EVP_CIPHER_CTX_init");
+ if (ctx) {
+ ctx->cipherType = 0xff; /* no init */
+ ctx->keyLen = 0;
+ ctx->enc = 1; /* start in encrypt mode */
+ }
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_CIPHER_CTX_cleanup(WOLFSSL_EVP_CIPHER_CTX* ctx)
+ {
+ WOLFSSL_ENTER("EVP_CIPHER_CTX_cleanup");
+ if (ctx) {
+ ctx->cipherType = 0xff; /* no more init */
+ ctx->keyLen = 0;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* return WOLFSSL_SUCCESS on ok, 0 on failure to match API compatibility */
+ int wolfSSL_EVP_CipherInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
+ const WOLFSSL_EVP_CIPHER* type, const byte* key,
+ const byte* iv, int enc)
+ {
+ int ret = 0;
+ (void)key;
+ (void)iv;
+ (void)enc;
+
+ WOLFSSL_ENTER("wolfSSL_EVP_CipherInit");
+ if (ctx == NULL) {
+ WOLFSSL_MSG("no ctx");
+ return 0; /* failure */
+ }
+
+ if (type == NULL && ctx->cipherType == WOLFSSL_EVP_CIPH_TYPE_INIT) {
+ WOLFSSL_MSG("no type set");
+ return 0; /* failure */
+ }
+ if (ctx->cipherType == WOLFSSL_EVP_CIPH_TYPE_INIT){
+ ctx->bufUsed = 0;
+ ctx->lastUsed = 0;
+ ctx->flags = 0;
+ }
+#ifndef NO_AES
+ #ifdef HAVE_AES_CBC
+ #ifdef WOLFSSL_AES_128
+ if (ctx->cipherType == AES_128_CBC_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_128_CBC, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_128_CBC");
+ ctx->cipherType = AES_128_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = 16;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ #endif /* WOLFSSL_AES_128 */
+ #ifdef WOLFSSL_AES_192
+ if (ctx->cipherType == AES_192_CBC_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_192_CBC, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_192_CBC");
+ ctx->cipherType = AES_192_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = 24;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ #endif /* WOLFSSL_AES_192 */
+ #ifdef WOLFSSL_AES_256
+ if (ctx->cipherType == AES_256_CBC_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_256_CBC, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_256_CBC");
+ ctx->cipherType = AES_256_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = 32;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ if (ret != 0){
+ WOLFSSL_MSG("wc_AesSetKey() failed");
+ return ret;
+ }
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0){
+ WOLFSSL_MSG("wc_AesSetIV() failed");
+ return ret;
+ }
+ }
+ }
+ #endif /* WOLFSSL_AES_256 */
+ #endif /* HAVE_AES_CBC */
+#ifdef WOLFSSL_AES_COUNTER
+ #ifdef WOLFSSL_AES_128
+ if (ctx->cipherType == AES_128_CTR_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_128_CTR, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_128_CTR");
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->cipherType = AES_128_CTR_TYPE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CTR_MODE;
+ ctx->keyLen = 16;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ AES_ENCRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ #endif /* WOLFSSL_AES_128 */
+ #ifdef WOLFSSL_AES_192
+ if (ctx->cipherType == AES_192_CTR_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_192_CTR, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_192_CTR");
+ ctx->cipherType = AES_192_CTR_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CTR_MODE;
+ ctx->keyLen = 24;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ AES_ENCRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ #endif /* WOLFSSL_AES_192 */
+ #ifdef WOLFSSL_AES_256
+ if (ctx->cipherType == AES_256_CTR_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_256_CTR, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_256_CTR");
+ ctx->cipherType = AES_256_CTR_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CTR_MODE;
+ ctx->keyLen = 32;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, iv,
+ AES_ENCRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ if (iv && key == NULL) {
+ ret = wc_AesSetIV(&ctx->cipher.aes, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ #endif /* WOLFSSL_AES_256 */
+#endif /* WOLFSSL_AES_COUNTER */
+ #ifdef WOLFSSL_AES_128
+ if (ctx->cipherType == AES_128_ECB_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_128_ECB, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_128_ECB");
+ ctx->cipherType = AES_128_ECB_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_ECB_MODE;
+ ctx->keyLen = 16;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, NULL,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ }
+ if (ret != 0)
+ return ret;
+ }
+ #endif /* WOLFSSL_AES_128 */
+ #ifdef WOLFSSL_AES_192
+ if (ctx->cipherType == AES_192_ECB_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_192_ECB, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_192_ECB");
+ ctx->cipherType = AES_192_ECB_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_ECB_MODE;
+ ctx->keyLen = 24;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, NULL,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ }
+ if (ret != 0)
+ return ret;
+ }
+ #endif /* WOLFSSL_AES_192 */
+ #ifdef WOLFSSL_AES_256
+ if (ctx->cipherType == AES_256_ECB_TYPE ||
+ (type && XSTRNCMP(type, EVP_AES_256_ECB, EVP_AES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_AES_256_ECB");
+ ctx->cipherType = AES_256_ECB_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_ECB_MODE;
+ ctx->keyLen = 32;
+ ctx->block_size = AES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_AesSetKey(&ctx->cipher.aes, key, ctx->keyLen, NULL,
+ ctx->enc ? AES_ENCRYPTION : AES_DECRYPTION);
+ }
+ if (ret != 0)
+ return ret;
+ }
+ #endif /* WOLFSSL_AES_256 */
+#endif /* NO_AES */
+
+#ifndef NO_DES3
+ if (ctx->cipherType == DES_CBC_TYPE ||
+ (type && XSTRNCMP(type, EVP_DES_CBC, EVP_DES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_DES_CBC");
+ ctx->cipherType = DES_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = 8;
+ ctx->block_size = DES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_Des_SetKey(&ctx->cipher.des, key, iv,
+ ctx->enc ? DES_ENCRYPTION : DES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (iv && key == NULL)
+ wc_Des_SetIV(&ctx->cipher.des, iv);
+ }
+#ifdef WOLFSSL_DES_ECB
+ else if (ctx->cipherType == DES_ECB_TYPE ||
+ (type && XSTRNCMP(type, EVP_DES_ECB, EVP_DES_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_DES_ECB");
+ ctx->cipherType = DES_ECB_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_ECB_MODE;
+ ctx->keyLen = 8;
+ ctx->block_size = DES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ WOLFSSL_MSG("Des_SetKey");
+ ret = wc_Des_SetKey(&ctx->cipher.des, key, NULL,
+ ctx->enc ? DES_ENCRYPTION : DES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ }
+#endif
+ else if (ctx->cipherType == DES_EDE3_CBC_TYPE ||
+ (type &&
+ XSTRNCMP(type, EVP_DES_EDE3_CBC, EVP_DES_EDE3_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_DES_EDE3_CBC");
+ ctx->cipherType = DES_EDE3_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = 24;
+ ctx->block_size = DES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_Des3_SetKey(&ctx->cipher.des3, key, iv,
+ ctx->enc ? DES_ENCRYPTION : DES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (iv && key == NULL) {
+ ret = wc_Des3_SetIV(&ctx->cipher.des3, iv);
+ if (ret != 0)
+ return ret;
+ }
+ }
+ else if (ctx->cipherType == DES_EDE3_ECB_TYPE ||
+ (type &&
+ XSTRNCMP(type, EVP_DES_EDE3_ECB, EVP_DES_EDE3_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_DES_EDE3_ECB");
+ ctx->cipherType = DES_EDE3_ECB_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_ECB_MODE;
+ ctx->keyLen = 24;
+ ctx->block_size = DES_BLOCK_SIZE;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_Des3_SetKey(&ctx->cipher.des3, key, NULL,
+ ctx->enc ? DES_ENCRYPTION : DES_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+ }
+#endif /* NO_DES3 */
+#ifndef NO_RC4
+ if (ctx->cipherType == ARC4_TYPE || (type &&
+ XSTRNCMP(type, "ARC4", 4) == 0)) {
+ WOLFSSL_MSG("ARC4");
+ ctx->cipherType = ARC4_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_STREAM_CIPHER;
+ ctx->block_size = 1;
+ if (ctx->keyLen == 0) /* user may have already set */
+ ctx->keyLen = 16; /* default to 128 */
+ if (key)
+ wc_Arc4SetKey(&ctx->cipher.arc4, key, ctx->keyLen);
+ }
+#endif /* NO_RC4 */
+#ifdef HAVE_IDEA
+ if (ctx->cipherType == IDEA_CBC_TYPE ||
+ (type && XSTRNCMP(type, EVP_IDEA_CBC, EVP_IDEA_SIZE) == 0)) {
+ WOLFSSL_MSG("EVP_IDEA_CBC");
+ ctx->cipherType = IDEA_CBC_TYPE;
+ ctx->flags &= ~WOLFSSL_EVP_CIPH_MODE;
+ ctx->flags |= WOLFSSL_EVP_CIPH_CBC_MODE;
+ ctx->keyLen = IDEA_KEY_SIZE;
+ ctx->block_size = 8;
+ if (enc == 0 || enc == 1)
+ ctx->enc = enc ? 1 : 0;
+ if (key) {
+ ret = wc_IdeaSetKey(&ctx->cipher.idea, key, (word16)ctx->keyLen,
+ iv, ctx->enc ? IDEA_ENCRYPTION :
+ IDEA_DECRYPTION);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (iv && key == NULL)
+ wc_IdeaSetIV(&ctx->cipher.idea, iv);
+ }
+#endif /* HAVE_IDEA */
+ if (ctx->cipherType == NULL_CIPHER_TYPE || (type &&
+ XSTRNCMP(type, "NULL", 4) == 0)) {
+ WOLFSSL_MSG("NULL cipher");
+ ctx->cipherType = NULL_CIPHER_TYPE;
+ ctx->keyLen = 0;
+ ctx->block_size = 16;
+ }
+ (void)ret; /* remove warning. If execution reaches this point, ret=0 */
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_CIPHER_CTX_key_length(WOLFSSL_EVP_CIPHER_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_key_length");
+ if (ctx)
+ return ctx->keyLen;
+
+ return 0; /* failure */
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_CIPHER_CTX_set_key_length(WOLFSSL_EVP_CIPHER_CTX* ctx,
+ int keylen)
+ {
+ WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_set_key_length");
+ if (ctx)
+ ctx->keyLen = keylen;
+ else
+ return 0; /* failure */
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_Cipher(WOLFSSL_EVP_CIPHER_CTX* ctx, byte* dst, byte* src,
+ word32 len)
+ {
+ int ret = 0;
+ WOLFSSL_ENTER("wolfSSL_EVP_Cipher");
+
+ if (ctx == NULL || dst == NULL || src == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return 0; /* failure */
+ }
+
+ if (ctx->cipherType == 0xff) {
+ WOLFSSL_MSG("no init");
+ return 0; /* failure */
+ }
+
+ switch (ctx->cipherType) {
+
+#ifndef NO_AES
+#ifdef HAVE_AES_CBC
+ case AES_128_CBC_TYPE :
+ case AES_192_CBC_TYPE :
+ case AES_256_CBC_TYPE :
+ WOLFSSL_MSG("AES CBC");
+ if (ctx->enc)
+ ret = wc_AesCbcEncrypt(&ctx->cipher.aes, dst, src, len);
+ else
+ ret = wc_AesCbcDecrypt(&ctx->cipher.aes, dst, src, len);
+ break;
+#endif /* HAVE_AES_CBC */
+#ifdef HAVE_AES_ECB
+ case AES_128_ECB_TYPE :
+ case AES_192_ECB_TYPE :
+ case AES_256_ECB_TYPE :
+ WOLFSSL_MSG("AES ECB");
+ if (ctx->enc)
+ ret = wc_AesEcbEncrypt(&ctx->cipher.aes, dst, src, len);
+ else
+ ret = wc_AesEcbDecrypt(&ctx->cipher.aes, dst, src, len);
+ break;
+#endif
+#ifdef WOLFSSL_AES_COUNTER
+ case AES_128_CTR_TYPE :
+ case AES_192_CTR_TYPE :
+ case AES_256_CTR_TYPE :
+ WOLFSSL_MSG("AES CTR");
+ ret = wc_AesCtrEncrypt(&ctx->cipher.aes, dst, src, len);
+ break;
+#endif /* WOLFSSL_AES_COUNTER */
+#endif /* NO_AES */
+
+#ifndef NO_DES3
+ case DES_CBC_TYPE :
+ if (ctx->enc)
+ wc_Des_CbcEncrypt(&ctx->cipher.des, dst, src, len);
+ else
+ wc_Des_CbcDecrypt(&ctx->cipher.des, dst, src, len);
+ break;
+ case DES_EDE3_CBC_TYPE :
+ if (ctx->enc)
+ ret = wc_Des3_CbcEncrypt(&ctx->cipher.des3, dst, src, len);
+ else
+ ret = wc_Des3_CbcDecrypt(&ctx->cipher.des3, dst, src, len);
+ break;
+#ifdef WOLFSSL_DES_ECB
+ case DES_ECB_TYPE :
+ ret = wc_Des_EcbEncrypt(&ctx->cipher.des, dst, src, len);
+ break;
+ case DES_EDE3_ECB_TYPE :
+ ret = wc_Des3_EcbEncrypt(&ctx->cipher.des3, dst, src, len);
+ break;
+#endif
+#endif /* !NO_DES3 */
+
+#ifndef NO_RC4
+ case ARC4_TYPE :
+ wc_Arc4Process(&ctx->cipher.arc4, dst, src, len);
+ break;
+#endif
+
+#ifdef HAVE_IDEA
+ case IDEA_CBC_TYPE :
+ if (ctx->enc)
+ wc_IdeaCbcEncrypt(&ctx->cipher.idea, dst, src, len);
+ else
+ wc_IdeaCbcDecrypt(&ctx->cipher.idea, dst, src, len);
+ break;
+#endif
+ case NULL_CIPHER_TYPE :
+ XMEMCPY(dst, src, len);
+ break;
+
+ default: {
+ WOLFSSL_MSG("bad type");
+ return 0; /* failure */
+ }
+ }
+
+ if (ret != 0) {
+ WOLFSSL_MSG("wolfSSL_EVP_Cipher failure");
+ return 0; /* failure */
+ }
+
+ WOLFSSL_MSG("wolfSSL_EVP_Cipher success");
+ return WOLFSSL_SUCCESS; /* success */
+ }
+
+#define WOLFSSL_EVP_INCLUDED
+#include "wolfcrypt/src/evp.c"
+
+
+ /* store for external read of iv, WOLFSSL_SUCCESS on success */
+ int wolfSSL_StoreExternalIV(WOLFSSL_EVP_CIPHER_CTX* ctx)
+ {
+ WOLFSSL_ENTER("wolfSSL_StoreExternalIV");
+
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ switch (ctx->cipherType) {
+
+#ifndef NO_AES
+ case AES_128_CBC_TYPE :
+ case AES_192_CBC_TYPE :
+ case AES_256_CBC_TYPE :
+ WOLFSSL_MSG("AES CBC");
+ XMEMCPY(ctx->iv, &ctx->cipher.aes.reg, AES_BLOCK_SIZE);
+ break;
+
+#ifdef WOLFSSL_AES_COUNTER
+ case AES_128_CTR_TYPE :
+ case AES_192_CTR_TYPE :
+ case AES_256_CTR_TYPE :
+ WOLFSSL_MSG("AES CTR");
+ XMEMCPY(ctx->iv, &ctx->cipher.aes.reg, AES_BLOCK_SIZE);
+ break;
+#endif /* WOLFSSL_AES_COUNTER */
+
+#endif /* NO_AES */
+
+#ifndef NO_DES3
+ case DES_CBC_TYPE :
+ WOLFSSL_MSG("DES CBC");
+ XMEMCPY(ctx->iv, &ctx->cipher.des.reg, DES_BLOCK_SIZE);
+ break;
+
+ case DES_EDE3_CBC_TYPE :
+ WOLFSSL_MSG("DES EDE3 CBC");
+ XMEMCPY(ctx->iv, &ctx->cipher.des3.reg, DES_BLOCK_SIZE);
+ break;
+#endif
+
+#ifdef HAVE_IDEA
+ case IDEA_CBC_TYPE :
+ WOLFSSL_MSG("IDEA CBC");
+ XMEMCPY(ctx->iv, &ctx->cipher.idea.reg, IDEA_BLOCK_SIZE);
+ break;
+#endif
+ case ARC4_TYPE :
+ WOLFSSL_MSG("ARC4");
+ break;
+
+ case NULL_CIPHER_TYPE :
+ WOLFSSL_MSG("NULL");
+ break;
+
+ default: {
+ WOLFSSL_MSG("bad type");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* set internal IV from external, WOLFSSL_SUCCESS on success */
+ int wolfSSL_SetInternalIV(WOLFSSL_EVP_CIPHER_CTX* ctx)
+ {
+
+ WOLFSSL_ENTER("wolfSSL_SetInternalIV");
+
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ switch (ctx->cipherType) {
+
+#ifndef NO_AES
+ case AES_128_CBC_TYPE :
+ case AES_192_CBC_TYPE :
+ case AES_256_CBC_TYPE :
+ WOLFSSL_MSG("AES CBC");
+ XMEMCPY(&ctx->cipher.aes.reg, ctx->iv, AES_BLOCK_SIZE);
+ break;
+
+#ifdef WOLFSSL_AES_COUNTER
+ case AES_128_CTR_TYPE :
+ case AES_192_CTR_TYPE :
+ case AES_256_CTR_TYPE :
+ WOLFSSL_MSG("AES CTR");
+ XMEMCPY(&ctx->cipher.aes.reg, ctx->iv, AES_BLOCK_SIZE);
+ break;
+#endif
+
+#endif /* NO_AES */
+
+#ifndef NO_DES3
+ case DES_CBC_TYPE :
+ WOLFSSL_MSG("DES CBC");
+ XMEMCPY(&ctx->cipher.des.reg, ctx->iv, DES_BLOCK_SIZE);
+ break;
+
+ case DES_EDE3_CBC_TYPE :
+ WOLFSSL_MSG("DES EDE3 CBC");
+ XMEMCPY(&ctx->cipher.des3.reg, ctx->iv, DES_BLOCK_SIZE);
+ break;
+#endif
+
+#ifdef HAVE_IDEA
+ case IDEA_CBC_TYPE :
+ WOLFSSL_MSG("IDEA CBC");
+ XMEMCPY(&ctx->cipher.idea.reg, ctx->iv, IDEA_BLOCK_SIZE);
+ break;
+#endif
+ case ARC4_TYPE :
+ WOLFSSL_MSG("ARC4");
+ break;
+
+ case NULL_CIPHER_TYPE :
+ WOLFSSL_MSG("NULL");
+ break;
+
+ default: {
+ WOLFSSL_MSG("bad type");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_DigestInit(WOLFSSL_EVP_MD_CTX* ctx,
+ const WOLFSSL_EVP_MD* type)
+ {
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("EVP_DigestInit");
+
+ if (ctx == NULL || type == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+
+ #ifdef WOLFSSL_ASYNC_CRYPT
+ /* compile-time validation of ASYNC_CTX_SIZE */
+ typedef char async_test[WC_ASYNC_DEV_SIZE >= sizeof(WC_ASYNC_DEV) ?
+ 1 : -1];
+ (void)sizeof(async_test);
+ #endif
+
+ if (XSTRNCMP(type, "SHA256", 6) == 0) {
+ ctx->macType = WC_SHA256;
+ ret = wolfSSL_SHA256_Init(&(ctx->hash.digest.sha256));
+ }
+ #ifdef WOLFSSL_SHA224
+ else if (XSTRNCMP(type, "SHA224", 6) == 0) {
+ ctx->macType = WC_SHA224;
+ ret = wolfSSL_SHA224_Init(&(ctx->hash.digest.sha224));
+ }
+ #endif
+ #ifdef WOLFSSL_SHA384
+ else if (XSTRNCMP(type, "SHA384", 6) == 0) {
+ ctx->macType = WC_SHA384;
+ ret = wolfSSL_SHA384_Init(&(ctx->hash.digest.sha384));
+ }
+ #endif
+ #ifdef WOLFSSL_SHA512
+ else if (XSTRNCMP(type, "SHA512", 6) == 0) {
+ ctx->macType = WC_SHA512;
+ ret = wolfSSL_SHA512_Init(&(ctx->hash.digest.sha512));
+ }
+ #endif
+ #ifndef NO_MD4
+ else if (XSTRNCMP(type, "MD4", 3) == 0) {
+ ctx->macType = MD4;
+ wolfSSL_MD4_Init(&(ctx->hash.digest.md4));
+ }
+ #endif
+ #ifndef NO_MD5
+ else if (XSTRNCMP(type, "MD5", 3) == 0) {
+ ctx->macType = WC_MD5;
+ ret = wolfSSL_MD5_Init(&(ctx->hash.digest.md5));
+ }
+ #endif
+ #ifndef NO_SHA
+ /* has to be last since would pick or 224, 256, 384, or 512 too */
+ else if (XSTRNCMP(type, "SHA", 3) == 0) {
+ ctx->macType = WC_SHA;
+ ret = wolfSSL_SHA_Init(&(ctx->hash.digest.sha));
+ }
+ #endif /* NO_SHA */
+ else
+ return BAD_FUNC_ARG;
+
+ return ret;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok, WOLFSSL_FAILURE on failure */
+ int wolfSSL_EVP_DigestUpdate(WOLFSSL_EVP_MD_CTX* ctx, const void* data,
+ size_t sz)
+ {
+ WOLFSSL_ENTER("EVP_DigestUpdate");
+
+ switch (ctx->macType) {
+#ifndef NO_MD4
+ case MD4:
+ wolfSSL_MD4_Update((MD4_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif
+#ifndef NO_MD5
+ case WC_MD5:
+ wolfSSL_MD5_Update((MD5_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif
+#ifndef NO_SHA
+ case WC_SHA:
+ wolfSSL_SHA_Update((SHA_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif
+#ifdef WOLFSSL_SHA224
+ case WC_SHA224:
+ wolfSSL_SHA224_Update((SHA224_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif
+#ifndef NO_SHA256
+ case WC_SHA256:
+ wolfSSL_SHA256_Update((SHA256_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif /* !NO_SHA256 */
+#ifdef WOLFSSL_SHA384
+ case WC_SHA384:
+ wolfSSL_SHA384_Update((SHA384_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif
+#ifdef WOLFSSL_SHA512
+ case WC_SHA512:
+ wolfSSL_SHA512_Update((SHA512_CTX*)&ctx->hash, data,
+ (unsigned long)sz);
+ break;
+#endif /* WOLFSSL_SHA512 */
+ default:
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_DigestFinal(WOLFSSL_EVP_MD_CTX* ctx, unsigned char* md,
+ unsigned int* s)
+ {
+ WOLFSSL_ENTER("EVP_DigestFinal");
+ switch (ctx->macType) {
+#ifndef NO_MD4
+ case MD4:
+ wolfSSL_MD4_Final(md, (MD4_CTX*)&ctx->hash);
+ if (s) *s = MD4_DIGEST_SIZE;
+ break;
+#endif
+#ifndef NO_MD5
+ case WC_MD5:
+ wolfSSL_MD5_Final(md, (MD5_CTX*)&ctx->hash);
+ if (s) *s = WC_MD5_DIGEST_SIZE;
+ break;
+#endif
+#ifndef NO_SHA
+ case WC_SHA:
+ wolfSSL_SHA_Final(md, (SHA_CTX*)&ctx->hash);
+ if (s) *s = WC_SHA_DIGEST_SIZE;
+ break;
+#endif
+#ifdef WOLFSSL_SHA224
+ case WC_SHA224:
+ wolfSSL_SHA224_Final(md, (SHA224_CTX*)&ctx->hash);
+ if (s) *s = WC_SHA224_DIGEST_SIZE;
+ break;
+#endif
+#ifndef NO_SHA256
+ case WC_SHA256:
+ wolfSSL_SHA256_Final(md, (SHA256_CTX*)&ctx->hash);
+ if (s) *s = WC_SHA256_DIGEST_SIZE;
+ break;
+#endif /* !NO_SHA256 */
+#ifdef WOLFSSL_SHA384
+ case WC_SHA384:
+ wolfSSL_SHA384_Final(md, (SHA384_CTX*)&ctx->hash);
+ if (s) *s = WC_SHA384_DIGEST_SIZE;
+ break;
+#endif
+#ifdef WOLFSSL_SHA512
+ case WC_SHA512:
+ wolfSSL_SHA512_Final(md, (SHA512_CTX*)&ctx->hash);
+ if (s) *s = WC_SHA512_DIGEST_SIZE;
+ break;
+#endif /* WOLFSSL_SHA512 */
+ default:
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* WOLFSSL_SUCCESS on ok */
+ int wolfSSL_EVP_DigestFinal_ex(WOLFSSL_EVP_MD_CTX* ctx, unsigned char* md,
+ unsigned int* s)
+ {
+ WOLFSSL_ENTER("EVP_DigestFinal_ex");
+ return EVP_DigestFinal(ctx, md, s);
+ }
+
+
+ unsigned char* wolfSSL_HMAC(const WOLFSSL_EVP_MD* evp_md, const void* key,
+ int key_len, const unsigned char* d, int n,
+ unsigned char* md, unsigned int* md_len)
+ {
+ int type;
+ int mdlen;
+ unsigned char* ret = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ Hmac* hmac = NULL;
+#else
+ Hmac hmac[1];
+#endif
+ void* heap = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_HMAC");
+ if (!md) {
+ WOLFSSL_MSG("Static buffer not supported, pass in md buffer");
+ return NULL; /* no static buffer support */
+ }
+
+#ifndef NO_MD5
+ if (XSTRNCMP(evp_md, "MD5", 3) == 0) {
+ type = WC_MD5;
+ mdlen = WC_MD5_DIGEST_SIZE;
+ } else
+#endif
+#ifdef WOLFSSL_SHA224
+ if (XSTRNCMP(evp_md, "SHA224", 6) == 0) {
+ type = WC_SHA224;
+ mdlen = WC_SHA224_DIGEST_SIZE;
+ } else
+#endif
+#ifndef NO_SHA256
+ if (XSTRNCMP(evp_md, "SHA256", 6) == 0) {
+ type = WC_SHA256;
+ mdlen = WC_SHA256_DIGEST_SIZE;
+ } else
+#endif
+#ifdef WOLFSSL_SHA384
+ if (XSTRNCMP(evp_md, "SHA384", 6) == 0) {
+ type = WC_SHA384;
+ mdlen = WC_SHA384_DIGEST_SIZE;
+ } else
+#endif
+#ifdef WOLFSSL_SHA512
+ if (XSTRNCMP(evp_md, "SHA512", 6) == 0) {
+ type = WC_SHA512;
+ mdlen = WC_SHA512_DIGEST_SIZE;
+ } else
+#endif
+#ifndef NO_SHA
+ if (XSTRNCMP(evp_md, "SHA", 3) == 0) {
+ type = WC_SHA;
+ mdlen = WC_SHA_DIGEST_SIZE;
+ } else
+#endif
+ {
+ return NULL;
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ hmac = (Hmac*)XMALLOC(sizeof(Hmac), heap, DYNAMIC_TYPE_HMAC);
+ if (hmac == NULL)
+ return NULL;
+ #endif
+
+ if (wc_HmacInit(hmac, heap, INVALID_DEVID) == 0) {
+ if (wc_HmacSetKey(hmac, type, (const byte*)key, key_len) == 0) {
+ if (wc_HmacUpdate(hmac, d, n) == 0) {
+ if (wc_HmacFinal(hmac, md) == 0) {
+ if (md_len)
+ *md_len = mdlen;
+ ret = md;
+ }
+ }
+ }
+ wc_HmacFree(hmac);
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(hmac, heap, DYNAMIC_TYPE_HMAC);
+ #endif
+
+ (void)evp_md;
+ return ret;
+ }
+
+ void wolfSSL_ERR_clear_error(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_ERR_clear_error");
+
+#if defined(DEBUG_WOLFSSL) || defined(WOLFSSL_NGINX)
+ wc_ClearErrorNodes();
+#endif
+ }
+
+
+ /* frees all nodes in the current threads error queue
+ *
+ * id thread id. ERR_remove_state is depriciated and id is ignored. The
+ * current threads queue will be free'd.
+ */
+ void wolfSSL_ERR_remove_state(unsigned long id)
+ {
+ WOLFSSL_ENTER("wolfSSL_ERR_remove_state");
+ (void)id;
+ if (wc_ERR_remove_state() != 0) {
+ WOLFSSL_MSG("Error with removing the state");
+ }
+ }
+
+
+ int wolfSSL_RAND_status(void)
+ {
+ return WOLFSSL_SUCCESS; /* wolfCrypt provides enough seed internally */
+ }
+
+
+ #ifndef NO_WOLFSSL_STUB
+ void wolfSSL_RAND_add(const void* add, int len, double entropy)
+ {
+ (void)add;
+ (void)len;
+ (void)entropy;
+ WOLFSSL_STUB("RAND_add");
+ /* wolfSSL seeds/adds internally, use explicit RNG if you want
+ to take control */
+ }
+ #endif
+
+#ifndef NO_DES3
+ /* 0 on ok */
+ int wolfSSL_DES_key_sched(WOLFSSL_const_DES_cblock* key,
+ WOLFSSL_DES_key_schedule* schedule)
+ {
+ WOLFSSL_ENTER("wolfSSL_DES_key_sched");
+
+ if (key == NULL || schedule == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ }
+ else {
+ XMEMCPY(schedule, key, sizeof(WOLFSSL_const_DES_cblock));
+ }
+
+ return 0;
+ }
+
+
+ /* intended to behave similar to Kerberos mit_des_cbc_cksum
+ * return the last 4 bytes of cipher text */
+ WOLFSSL_DES_LONG wolfSSL_DES_cbc_cksum(const unsigned char* in,
+ WOLFSSL_DES_cblock* out, long length, WOLFSSL_DES_key_schedule* sc,
+ WOLFSSL_const_DES_cblock* iv)
+ {
+ WOLFSSL_DES_LONG ret;
+ unsigned char* tmp;
+ unsigned char* data = (unsigned char*)in;
+ long dataSz = length;
+ byte dynamicFlag = 0; /* when padding the buffer created needs free'd */
+
+ WOLFSSL_ENTER("wolfSSL_DES_cbc_cksum");
+
+ if (in == NULL || out == NULL || sc == NULL || iv == NULL) {
+ WOLFSSL_MSG("Bad argument passed in");
+ return 0;
+ }
+
+ /* if input length is not a multiple of DES_BLOCK_SIZE pad with 0s */
+ if (dataSz % DES_BLOCK_SIZE) {
+ dataSz += DES_BLOCK_SIZE - (dataSz % DES_BLOCK_SIZE);
+ data = (unsigned char*)XMALLOC(dataSz, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (data == NULL) {
+ WOLFSSL_MSG("Issue creating temporary buffer");
+ return 0;
+ }
+ dynamicFlag = 1; /* set to free buffer at end */
+ XMEMCPY(data, in, length);
+ XMEMSET(data + length, 0, dataSz - length); /* padding */
+ }
+
+ tmp = (unsigned char*)XMALLOC(dataSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (tmp == NULL) {
+ WOLFSSL_MSG("Issue creating temporary buffer");
+ if (dynamicFlag == 1) {
+ XFREE(data, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+ return 0;
+ }
+
+ wolfSSL_DES_cbc_encrypt(data, tmp, dataSz, sc,
+ (WOLFSSL_DES_cblock*)iv, 1);
+ XMEMCPY((unsigned char*)out, tmp + (dataSz - DES_BLOCK_SIZE),
+ DES_BLOCK_SIZE);
+
+ ret = (((*((unsigned char*)out + 4) & 0xFF) << 24)|
+ ((*((unsigned char*)out + 5) & 0xFF) << 16)|
+ ((*((unsigned char*)out + 6) & 0xFF) << 8) |
+ (*((unsigned char*)out + 7) & 0xFF));
+
+ XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (dynamicFlag == 1) {
+ XFREE(data, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+
+ return ret;
+ }
+
+
+ void wolfSSL_DES_cbc_encrypt(const unsigned char* input,
+ unsigned char* output, long length,
+ WOLFSSL_DES_key_schedule* schedule,
+ WOLFSSL_DES_cblock* ivec, int enc)
+ {
+ Des myDes;
+ byte lastblock[DES_BLOCK_SIZE];
+ int lb_sz;
+ long blk;
+
+ WOLFSSL_ENTER("DES_cbc_encrypt");
+
+ /* OpenSSL compat, no ret */
+ wc_Des_SetKey(&myDes, (const byte*)schedule, (const byte*)ivec, !enc);
+ lb_sz = length%DES_BLOCK_SIZE;
+ blk = length/DES_BLOCK_SIZE;
+
+ if (enc){
+ wc_Des_CbcEncrypt(&myDes, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ XMEMSET(lastblock, 0, DES_BLOCK_SIZE);
+ XMEMCPY(lastblock, input+length-lb_sz, lb_sz);
+ wc_Des_CbcEncrypt(&myDes, output+blk*DES_BLOCK_SIZE,
+ lastblock, (word32)DES_BLOCK_SIZE);
+ }
+ }
+ else {
+ wc_Des_CbcDecrypt(&myDes, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ wc_Des_CbcDecrypt(&myDes, lastblock, input+length-lb_sz, (word32)DES_BLOCK_SIZE);
+ XMEMCPY(output+length-lb_sz, lastblock, lb_sz);
+ }
+ }
+ }
+
+
+ /* WOLFSSL_DES_key_schedule is a unsigned char array of size 8 */
+ void wolfSSL_DES_ede3_cbc_encrypt(const unsigned char* input,
+ unsigned char* output, long sz,
+ WOLFSSL_DES_key_schedule* ks1,
+ WOLFSSL_DES_key_schedule* ks2,
+ WOLFSSL_DES_key_schedule* ks3,
+ WOLFSSL_DES_cblock* ivec, int enc)
+ {
+ Des3 des;
+ byte key[24];/* EDE uses 24 size key */
+ byte lastblock[DES_BLOCK_SIZE];
+ int lb_sz;
+ long blk;
+
+ WOLFSSL_ENTER("wolfSSL_DES_ede3_cbc_encrypt");
+
+ XMEMSET(key, 0, sizeof(key));
+ XMEMCPY(key, *ks1, DES_BLOCK_SIZE);
+ XMEMCPY(&key[DES_BLOCK_SIZE], *ks2, DES_BLOCK_SIZE);
+ XMEMCPY(&key[DES_BLOCK_SIZE * 2], *ks3, DES_BLOCK_SIZE);
+ lb_sz = sz%DES_BLOCK_SIZE;
+ blk = sz/DES_BLOCK_SIZE;
+ if (enc) {
+ wc_Des3_SetKey(&des, key, (const byte*)ivec, DES_ENCRYPTION);
+ wc_Des3_CbcEncrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ XMEMSET(lastblock, 0, DES_BLOCK_SIZE);
+ XMEMCPY(lastblock, input+sz-lb_sz, lb_sz);
+ wc_Des3_CbcEncrypt(&des, output+blk*DES_BLOCK_SIZE,
+ lastblock, (word32)DES_BLOCK_SIZE);
+ }
+ }
+ else {
+ wc_Des3_SetKey(&des, key, (const byte*)ivec, DES_DECRYPTION);
+ wc_Des3_CbcDecrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ wc_Des3_CbcDecrypt(&des, lastblock, input+sz-lb_sz, (word32)DES_BLOCK_SIZE);
+ XMEMCPY(output+sz-lb_sz, lastblock, lb_sz);
+ }
+ }
+ }
+
+
+ /* correctly sets ivec for next call */
+ void wolfSSL_DES_ncbc_encrypt(const unsigned char* input,
+ unsigned char* output, long length,
+ WOLFSSL_DES_key_schedule* schedule, WOLFSSL_DES_cblock* ivec,
+ int enc)
+ {
+ Des myDes;
+ byte lastblock[DES_BLOCK_SIZE];
+ int lb_sz;
+ long blk;
+
+ WOLFSSL_ENTER("DES_ncbc_encrypt");
+
+ /* OpenSSL compat, no ret */
+ wc_Des_SetKey(&myDes, (const byte*)schedule, (const byte*)ivec, !enc);
+ lb_sz = length%DES_BLOCK_SIZE;
+ blk = length/DES_BLOCK_SIZE;
+ if (enc){
+ wc_Des_CbcEncrypt(&myDes, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ XMEMSET(lastblock, 0, DES_BLOCK_SIZE);
+ XMEMCPY(lastblock, input+length-lb_sz, lb_sz);
+ wc_Des_CbcEncrypt(&myDes, output+blk*DES_BLOCK_SIZE,
+ lastblock, (word32)DES_BLOCK_SIZE);
+ }
+ } else {
+ wc_Des_CbcDecrypt(&myDes, output, input, (word32)blk*DES_BLOCK_SIZE);
+ if(lb_sz){
+ wc_Des_CbcDecrypt(&myDes, lastblock, input+length-lb_sz, (word32)DES_BLOCK_SIZE);
+ XMEMCPY(output+length-lb_sz, lastblock, lb_sz);
+ }
+ }
+
+ XMEMCPY(ivec, output + length - sizeof(DES_cblock), sizeof(DES_cblock));
+ }
+
+#endif /* NO_DES3 */
+
+
+ void wolfSSL_ERR_free_strings(void)
+ {
+ /* handled internally */
+ }
+
+
+ void wolfSSL_EVP_cleanup(void)
+ {
+ /* nothing to do here */
+ }
+
+
+ void wolfSSL_cleanup_all_ex_data(void)
+ {
+ /* nothing to do here */
+ }
+
+ int wolfSSL_clear(WOLFSSL* ssl)
+ {
+ if (ssl == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ssl->options.isClosed = 0;
+ ssl->options.connReset = 0;
+ ssl->options.sentNotify = 0;
+
+ ssl->options.serverState = NULL_STATE;
+ ssl->options.clientState = NULL_STATE;
+ ssl->options.connectState = CONNECT_BEGIN;
+ ssl->options.acceptState = ACCEPT_BEGIN;
+ ssl->options.handShakeState = NULL_STATE;
+ ssl->options.handShakeDone = 0;
+ /* ssl->options.processReply = doProcessInit; */
+
+ ssl->keys.encryptionOn = 0;
+ XMEMSET(&ssl->msgsReceived, 0, sizeof(ssl->msgsReceived));
+
+ if (ssl->hsHashes != NULL) {
+#ifndef NO_OLD_TLS
+#ifndef NO_MD5
+ wc_InitMd5(&ssl->hsHashes->hashMd5);
+#endif
+#ifndef NO_SHA
+ if (wc_InitSha(&ssl->hsHashes->hashSha) != 0)
+ return WOLFSSL_FAILURE;
+#endif
+#endif
+#ifndef NO_SHA256
+ if (wc_InitSha256(&ssl->hsHashes->hashSha256) != 0)
+ return WOLFSSL_FAILURE;
+#endif
+#ifdef WOLFSSL_SHA384
+ if (wc_InitSha384(&ssl->hsHashes->hashSha384) != 0)
+ return WOLFSSL_FAILURE;
+#endif
+#ifdef WOLFSSL_SHA512
+ if (wc_InitSha512(&ssl->hsHashes->hashSha512) != 0)
+ return WOLFSSL_FAILURE;
+#endif
+ }
+#ifdef SESSION_CERTS
+ ssl->session.chain.count = 0;
+#endif
+#ifdef KEEP_PEER_CERT
+ FreeX509(&ssl->peerCert);
+ InitX509(&ssl->peerCert, 0, ssl->heap);
+#endif
+
+ return WOLFSSL_SUCCESS;
+ }
+
+ long wolfSSL_SSL_SESSION_set_timeout(WOLFSSL_SESSION* ses, long t)
+ {
+ word32 tmptime;
+ if (!ses || t < 0)
+ return BAD_FUNC_ARG;
+
+ tmptime = t & 0xFFFFFFFF;
+
+ ses->timeout = tmptime;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ long wolfSSL_CTX_set_mode(WOLFSSL_CTX* ctx, long mode)
+ {
+ /* WOLFSSL_MODE_ACCEPT_MOVING_WRITE_BUFFER is wolfSSL default mode */
+
+ WOLFSSL_ENTER("SSL_CTX_set_mode");
+ if (mode == SSL_MODE_ENABLE_PARTIAL_WRITE)
+ ctx->partialWrite = 1;
+
+ return mode;
+ }
+
+ #ifndef NO_WOLFSSL_STUB
+ long wolfSSL_SSL_get_mode(WOLFSSL* ssl)
+ {
+ /* TODO: */
+ (void)ssl;
+ WOLFSSL_STUB("SSL_get_mode");
+ return 0;
+ }
+ #endif
+
+ #ifndef NO_WOLFSSL_STUB
+ long wolfSSL_CTX_get_mode(WOLFSSL_CTX* ctx)
+ {
+ /* TODO: */
+ (void)ctx;
+ WOLFSSL_STUB("SSL_CTX_get_mode");
+ return 0;
+ }
+ #endif
+
+ #ifndef NO_WOLFSSL_STUB
+ void wolfSSL_CTX_set_default_read_ahead(WOLFSSL_CTX* ctx, int m)
+ {
+ /* TODO: maybe? */
+ (void)ctx;
+ (void)m;
+ WOLFSSL_STUB("SSL_CTX_set_default_read_ahead");
+ }
+ #endif
+
+
+ /* Storing app session context id, this value is inherited by WOLFSSL
+ * objects created from WOLFSSL_CTX. Any session that is imported with a
+ * different session context id will be rejected.
+ *
+ * ctx structure to set context in
+ * sid_ctx value of context to set
+ * sid_ctx_len length of sid_ctx buffer
+ *
+ * Returns SSL_SUCCESS in success case and SSL_FAILURE when failing
+ */
+ int wolfSSL_CTX_set_session_id_context(WOLFSSL_CTX* ctx,
+ const unsigned char* sid_ctx,
+ unsigned int sid_ctx_len)
+ {
+ WOLFSSL_ENTER("SSL_CTX_set_session_id_context");
+
+ /* No application specific context needed for wolfSSL */
+ if (sid_ctx_len > ID_LEN || ctx == NULL || sid_ctx == NULL) {
+ return SSL_FAILURE;
+ }
+ XMEMCPY(ctx->sessionCtx, sid_ctx, sid_ctx_len);
+ ctx->sessionCtxSz = (byte)sid_ctx_len;
+
+ return SSL_SUCCESS;
+ }
+
+
+
+ /* Storing app session context id. Any session that is imported with a
+ * different session context id will be rejected.
+ *
+ * ssl structure to set context in
+ * id value of context to set
+ * len length of sid_ctx buffer
+ *
+ * Returns SSL_SUCCESS in success case and SSL_FAILURE when failing
+ */
+ int wolfSSL_set_session_id_context(WOLFSSL* ssl, const unsigned char* id,
+ unsigned int len)
+ {
+ WOLFSSL_STUB("wolfSSL_set_session_id_context");
+
+ if (len > ID_LEN || ssl == NULL || id == NULL) {
+ return SSL_FAILURE;
+ }
+ XMEMCPY(ssl->sessionCtx, id, len);
+ ssl->sessionCtxSz = (byte)len;
+
+ return SSL_SUCCESS;
+ }
+
+
+ long wolfSSL_CTX_sess_get_cache_size(WOLFSSL_CTX* ctx)
+ {
+ (void)ctx;
+ #ifndef NO_SESSION_CACHE
+ return SESSIONS_PER_ROW * SESSION_ROWS;
+ #else
+ return 0;
+ #endif
+ }
+
+
+ /* returns the unsigned error value and increments the pointer into the
+ * error queue.
+ *
+ * file pointer to file name
+ * line gets set to line number of error when not NULL
+ */
+ unsigned long wolfSSL_ERR_get_error_line(const char** file, int* line)
+ {
+ #ifdef DEBUG_WOLFSSL
+ int ret = wc_PullErrorNode(file, NULL, line);
+ if (ret < 0) {
+ if (ret == BAD_STATE_E) return 0; /* no errors in queue */
+ WOLFSSL_MSG("Issue getting error node");
+ WOLFSSL_LEAVE("wolfSSL_ERR_get_error_line", ret);
+ ret = 0 - ret; /* return absolute value of error */
+
+ /* panic and try to clear out nodes */
+ wc_ClearErrorNodes();
+ }
+ return (unsigned long)ret;
+ #else
+ (void)file;
+ (void)line;
+
+ return 0;
+ #endif
+ }
+
+
+#ifdef DEBUG_WOLFSSL
+ static const char WOLFSSL_SYS_ACCEPT_T[] = "accept";
+ static const char WOLFSSL_SYS_BIND_T[] = "bind";
+ static const char WOLFSSL_SYS_CONNECT_T[] = "connect";
+ static const char WOLFSSL_SYS_FOPEN_T[] = "fopen";
+ static const char WOLFSSL_SYS_FREAD_T[] = "fread";
+ static const char WOLFSSL_SYS_GETADDRINFO_T[] = "getaddrinfo";
+ static const char WOLFSSL_SYS_GETSOCKOPT_T[] = "getsockopt";
+ static const char WOLFSSL_SYS_GETSOCKNAME_T[] = "getsockname";
+ static const char WOLFSSL_SYS_GETHOSTBYNAME_T[] = "gethostbyname";
+ static const char WOLFSSL_SYS_GETNAMEINFO_T[] = "getnameinfo";
+ static const char WOLFSSL_SYS_GETSERVBYNAME_T[] = "getservbyname";
+ static const char WOLFSSL_SYS_IOCTLSOCKET_T[] = "ioctlsocket";
+ static const char WOLFSSL_SYS_LISTEN_T[] = "listen";
+ static const char WOLFSSL_SYS_OPENDIR_T[] = "opendir";
+ static const char WOLFSSL_SYS_SETSOCKOPT_T[] = "setsockopt";
+ static const char WOLFSSL_SYS_SOCKET_T[] = "socket";
+
+ /* switch with int mapped to function name for compatibility */
+ static const char* wolfSSL_ERR_sys_func(int fun)
+ {
+ switch (fun) {
+ case WOLFSSL_SYS_ACCEPT: return WOLFSSL_SYS_ACCEPT_T;
+ case WOLFSSL_SYS_BIND: return WOLFSSL_SYS_BIND_T;
+ case WOLFSSL_SYS_CONNECT: return WOLFSSL_SYS_CONNECT_T;
+ case WOLFSSL_SYS_FOPEN: return WOLFSSL_SYS_FOPEN_T;
+ case WOLFSSL_SYS_FREAD: return WOLFSSL_SYS_FREAD_T;
+ case WOLFSSL_SYS_GETADDRINFO: return WOLFSSL_SYS_GETADDRINFO_T;
+ case WOLFSSL_SYS_GETSOCKOPT: return WOLFSSL_SYS_GETSOCKOPT_T;
+ case WOLFSSL_SYS_GETSOCKNAME: return WOLFSSL_SYS_GETSOCKNAME_T;
+ case WOLFSSL_SYS_GETHOSTBYNAME: return WOLFSSL_SYS_GETHOSTBYNAME_T;
+ case WOLFSSL_SYS_GETNAMEINFO: return WOLFSSL_SYS_GETNAMEINFO_T;
+ case WOLFSSL_SYS_GETSERVBYNAME: return WOLFSSL_SYS_GETSERVBYNAME_T;
+ case WOLFSSL_SYS_IOCTLSOCKET: return WOLFSSL_SYS_IOCTLSOCKET_T;
+ case WOLFSSL_SYS_LISTEN: return WOLFSSL_SYS_LISTEN_T;
+ case WOLFSSL_SYS_OPENDIR: return WOLFSSL_SYS_OPENDIR_T;
+ case WOLFSSL_SYS_SETSOCKOPT: return WOLFSSL_SYS_SETSOCKOPT_T;
+ case WOLFSSL_SYS_SOCKET: return WOLFSSL_SYS_SOCKET_T;
+ default:
+ return "NULL";
+ }
+ }
+#endif /* DEBUG_WOLFSSL */
+
+
+ /* @TODO when having an error queue this needs to push to the queue */
+ void wolfSSL_ERR_put_error(int lib, int fun, int err, const char* file,
+ int line)
+ {
+ WOLFSSL_ENTER("wolfSSL_ERR_put_error");
+
+ #ifndef DEBUG_WOLFSSL
+ (void)fun;
+ (void)err;
+ (void)file;
+ (void)line;
+ WOLFSSL_MSG("Not compiled in debug mode");
+ #else
+ WOLFSSL_ERROR_LINE(err, wolfSSL_ERR_sys_func(fun), (unsigned int)line,
+ file, NULL);
+ #endif
+ (void)lib;
+ }
+
+
+ /* Similar to wolfSSL_ERR_get_error_line but takes in a flags argument for
+ * more flexability.
+ *
+ * file output pointer to file where error happened
+ * line output to line number of error
+ * data output data. Is a string if ERR_TXT_STRING flag is used
+ * flags bit flag to adjust data output
+ *
+ * Returns the error value or 0 if no errors are in the queue
+ */
+ unsigned long wolfSSL_ERR_get_error_line_data(const char** file, int* line,
+ const char** data, int *flags)
+ {
+ int ret;
+
+ WOLFSSL_STUB("wolfSSL_ERR_get_error_line_data");
+
+ if (flags != NULL) {
+ if ((*flags & ERR_TXT_STRING) == ERR_TXT_STRING) {
+ ret = wc_PullErrorNode(file, data, line);
+ if (ret < 0) {
+ if (ret == BAD_STATE_E) return 0; /* no errors in queue */
+ WOLFSSL_MSG("Error with pulling error node!");
+ WOLFSSL_LEAVE("wolfSSL_ERR_get_error_line_data", ret);
+ ret = 0 - ret; /* return absolute value of error */
+
+ /* panic and try to clear out nodes */
+ wc_ClearErrorNodes();
+ }
+
+ return (unsigned long)ret;
+ }
+ }
+
+ ret = wc_PullErrorNode(file, NULL, line);
+ if (ret < 0) {
+ if (ret == BAD_STATE_E) return 0; /* no errors in queue */
+ WOLFSSL_MSG("Error with pulling error node!");
+ WOLFSSL_LEAVE("wolfSSL_ERR_get_error_line_data", ret);
+ ret = 0 - ret; /* return absolute value of error */
+
+ /* panic and try to clear out nodes */
+ wc_ClearErrorNodes();
+ }
+
+ return (unsigned long)ret;
+ }
+
+#endif /* OPENSSL_EXTRA */
+
+
+#ifdef KEEP_PEER_CERT
+ #ifdef SESSION_CERTS
+ /* Decode the X509 DER encoded certificate into a WOLFSSL_X509 object.
+ *
+ * x509 WOLFSSL_X509 object to decode into.
+ * in X509 DER data.
+ * len Length of the X509 DER data.
+ * returns the new certificate on success, otherwise NULL.
+ */
+ static int DecodeToX509(WOLFSSL_X509* x509, const byte* in, int len)
+ {
+ int ret;
+ #ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+ #else
+ DecodedCert cert[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return MEMORY_E;
+ #endif
+
+ /* Create a DecodedCert object and copy fields into WOLFSSL_X509 object.
+ */
+ InitDecodedCert(cert, (byte*)in, len, NULL);
+ if ((ret = ParseCertRelative(cert, CERT_TYPE, 0, NULL)) == 0) {
+ InitX509(x509, 0, NULL);
+ ret = CopyDecodedToX509(x509, cert);
+ FreeDecodedCert(cert);
+ }
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+ #endif
+
+ return ret;
+ }
+ #endif /* SESSION_CERTS */
+
+
+ WOLFSSL_X509* wolfSSL_get_peer_certificate(WOLFSSL* ssl)
+ {
+ WOLFSSL_ENTER("SSL_get_peer_certificate");
+ if (ssl->peerCert.issuer.sz)
+ return &ssl->peerCert;
+#ifdef SESSION_CERTS
+ else if (ssl->session.chain.count > 0) {
+ if (DecodeToX509(&ssl->peerCert, ssl->session.chain.certs[0].buffer,
+ ssl->session.chain.certs[0].length) == 0) {
+ return &ssl->peerCert;
+ }
+ }
+#endif
+ return 0;
+ }
+
+#endif /* KEEP_PEER_CERT */
+
+
+#ifndef NO_CERTS
+#if defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) || \
+ defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
+
+/* user externally called free X509, if dynamic go ahead with free, otherwise
+ * don't */
+static void ExternalFreeX509(WOLFSSL_X509* x509)
+{
+ WOLFSSL_ENTER("ExternalFreeX509");
+ if (x509) {
+ if (x509->dynamicMemory) {
+ FreeX509(x509);
+ XFREE(x509, x509->heap, DYNAMIC_TYPE_X509);
+ } else {
+ WOLFSSL_MSG("free called on non dynamic object, not freeing");
+ }
+ }
+}
+
+/* Frees an external WOLFSSL_X509 structure */
+void wolfSSL_X509_free(WOLFSSL_X509* x509)
+{
+ WOLFSSL_ENTER("wolfSSL_FreeX509");
+ ExternalFreeX509(x509);
+}
+
+
+/* copy name into in buffer, at most sz bytes, if buffer is null will
+ malloc buffer, call responsible for freeing */
+char* wolfSSL_X509_NAME_oneline(WOLFSSL_X509_NAME* name, char* in, int sz)
+{
+ int copySz;
+
+ if (name == NULL) {
+ WOLFSSL_MSG("WOLFSSL_X509_NAME pointer was NULL");
+ return NULL;
+ }
+
+ copySz = min(sz, name->sz);
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_oneline");
+ if (!name->sz) return in;
+
+ if (!in) {
+ #ifdef WOLFSSL_STATIC_MEMORY
+ WOLFSSL_MSG("Using static memory -- please pass in a buffer");
+ return NULL;
+ #else
+ in = (char*)XMALLOC(name->sz, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (!in ) return in;
+ copySz = name->sz;
+ #endif
+ }
+
+ if (copySz <= 0)
+ return in;
+
+ XMEMCPY(in, name->name, copySz - 1);
+ in[copySz - 1] = 0;
+
+ return in;
+}
+
+
+/* Wraps wolfSSL_X509_d2i
+ *
+ * returns a WOLFSSL_X509 structure pointer on success and NULL on fail
+ */
+WOLFSSL_X509* wolfSSL_d2i_X509(WOLFSSL_X509** x509, const unsigned char** in,
+ int len)
+{
+ return wolfSSL_X509_d2i(x509, *in, len);
+}
+
+
+WOLFSSL_X509* wolfSSL_X509_d2i(WOLFSSL_X509** x509, const byte* in, int len)
+{
+ WOLFSSL_X509 *newX509 = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_X509_d2i");
+
+ if (in != NULL && len != 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+ #else
+ DecodedCert cert[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
+ DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return NULL;
+ #endif
+
+ InitDecodedCert(cert, (byte*)in, len, NULL);
+ if (ParseCertRelative(cert, CERT_TYPE, 0, NULL) == 0) {
+ newX509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
+ DYNAMIC_TYPE_X509);
+ if (newX509 != NULL) {
+ InitX509(newX509, 1, NULL);
+ if (CopyDecodedToX509(newX509, cert) != 0) {
+ XFREE(newX509, NULL, DYNAMIC_TYPE_X509);
+ newX509 = NULL;
+ }
+ }
+ }
+ FreeDecodedCert(cert);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+ #endif
+ }
+
+ if (x509 != NULL)
+ *x509 = newX509;
+
+ return newX509;
+}
+#endif /* KEEP_PEER_CERT || SESSION_CERTS || OPENSSL_EXTRA ||
+ OPENSSL_EXTRA_X509_SMALL */
+
+#if defined(OPENSSL_ALL) || defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
+ /* return the next, if any, altname from the peer cert */
+ char* wolfSSL_X509_get_next_altname(WOLFSSL_X509* cert)
+ {
+ char* ret = NULL;
+ WOLFSSL_ENTER("wolfSSL_X509_get_next_altname");
+
+ /* don't have any to work with */
+ if (cert == NULL || cert->altNames == NULL)
+ return NULL;
+
+ /* already went through them */
+ if (cert->altNamesNext == NULL)
+ return NULL;
+
+ ret = cert->altNamesNext->name;
+ cert->altNamesNext = cert->altNamesNext->next;
+
+ return ret;
+ }
+
+
+ int wolfSSL_X509_get_isCA(WOLFSSL_X509* x509)
+ {
+ int isCA = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_isCA");
+
+ if (x509 != NULL)
+ isCA = x509->isCa;
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_isCA", isCA);
+
+ return isCA;
+ }
+
+ int wolfSSL_X509_get_signature(WOLFSSL_X509* x509,
+ unsigned char* buf, int* bufSz)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_get_signature");
+ if (x509 == NULL || bufSz == NULL || *bufSz < (int)x509->sig.length)
+ return WOLFSSL_FATAL_ERROR;
+
+ if (buf != NULL)
+ XMEMCPY(buf, x509->sig.buffer, x509->sig.length);
+ *bufSz = x509->sig.length;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* write X509 serial number in unsigned binary to buffer
+ buffer needs to be at least EXTERNAL_SERIAL_SIZE (32) for all cases
+ return WOLFSSL_SUCCESS on success */
+ int wolfSSL_X509_get_serial_number(WOLFSSL_X509* x509,
+ byte* in, int* inOutSz)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_get_serial_number");
+ if (x509 == NULL || in == NULL ||
+ inOutSz == NULL || *inOutSz < x509->serialSz)
+ return BAD_FUNC_ARG;
+
+ XMEMCPY(in, x509->serial, x509->serialSz);
+ *inOutSz = x509->serialSz;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ const byte* wolfSSL_X509_get_der(WOLFSSL_X509* x509, int* outSz)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_get_der");
+
+ if (x509 == NULL || x509->derCert == NULL || outSz == NULL)
+ return NULL;
+
+ *outSz = (int)x509->derCert->length;
+ return x509->derCert->buffer;
+ }
+
+
+ int wolfSSL_X509_version(WOLFSSL_X509* x509)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_version");
+
+ if (x509 == NULL)
+ return 0;
+
+ return x509->version;
+ }
+
+
+ const byte* wolfSSL_X509_notBefore(WOLFSSL_X509* x509)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_notBefore");
+
+ if (x509 == NULL)
+ return NULL;
+
+ return x509->notBefore;
+ }
+
+
+ const byte* wolfSSL_X509_notAfter(WOLFSSL_X509* x509)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_notAfter");
+
+ if (x509 == NULL)
+ return NULL;
+
+ return x509->notAfter;
+ }
+
+
+#ifdef WOLFSSL_SEP
+
+/* copy oid into in buffer, at most *inOutSz bytes, if buffer is null will
+ malloc buffer, call responsible for freeing. Actual size returned in
+ *inOutSz. Requires inOutSz be non-null */
+byte* wolfSSL_X509_get_device_type(WOLFSSL_X509* x509, byte* in, int *inOutSz)
+{
+ int copySz;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_dev_type");
+ if (inOutSz == NULL) return NULL;
+ if (!x509->deviceTypeSz) return in;
+
+ copySz = min(*inOutSz, x509->deviceTypeSz);
+
+ if (!in) {
+ #ifdef WOLFSSL_STATIC_MEMORY
+ WOLFSSL_MSG("Using static memory -- please pass in a buffer");
+ return NULL;
+ #else
+ in = (byte*)XMALLOC(x509->deviceTypeSz, 0, DYNAMIC_TYPE_OPENSSL);
+ if (!in) return in;
+ copySz = x509->deviceTypeSz;
+ #endif
+ }
+
+ XMEMCPY(in, x509->deviceType, copySz);
+ *inOutSz = copySz;
+
+ return in;
+}
+
+
+byte* wolfSSL_X509_get_hw_type(WOLFSSL_X509* x509, byte* in, int* inOutSz)
+{
+ int copySz;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_hw_type");
+ if (inOutSz == NULL) return NULL;
+ if (!x509->hwTypeSz) return in;
+
+ copySz = min(*inOutSz, x509->hwTypeSz);
+
+ if (!in) {
+ #ifdef WOLFSSL_STATIC_MEMORY
+ WOLFSSL_MSG("Using static memory -- please pass in a buffer");
+ return NULL;
+ #else
+ in = (byte*)XMALLOC(x509->hwTypeSz, 0, DYNAMIC_TYPE_OPENSSL);
+ if (!in) return in;
+ copySz = x509->hwTypeSz;
+ #endif
+ }
+
+ XMEMCPY(in, x509->hwType, copySz);
+ *inOutSz = copySz;
+
+ return in;
+}
+
+
+byte* wolfSSL_X509_get_hw_serial_number(WOLFSSL_X509* x509,byte* in,
+ int* inOutSz)
+{
+ int copySz;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_hw_serial_number");
+ if (inOutSz == NULL) return NULL;
+ if (!x509->hwTypeSz) return in;
+
+ copySz = min(*inOutSz, x509->hwSerialNumSz);
+
+ if (!in) {
+ #ifdef WOLFSSL_STATIC_MEMORY
+ WOLFSSL_MSG("Using static memory -- please pass in a buffer");
+ return NULL;
+ #else
+ in = (byte*)XMALLOC(x509->hwSerialNumSz, 0, DYNAMIC_TYPE_OPENSSL);
+ if (!in) return in;
+ copySz = x509->hwSerialNumSz;
+ #endif
+ }
+
+ XMEMCPY(in, x509->hwSerialNum, copySz);
+ *inOutSz = copySz;
+
+ return in;
+}
+
+#endif /* WOLFSSL_SEP */
+
+/* require OPENSSL_EXTRA since wolfSSL_X509_free is wrapped by OPENSSL_EXTRA */
+#if !defined(NO_CERTS) && defined(OPENSSL_EXTRA)
+/* return 1 on success 0 on fail */
+int wolfSSL_sk_X509_push(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, WOLFSSL_X509* x509)
+{
+ WOLFSSL_STACK* node;
+
+ if (sk == NULL || x509 == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* no previous values in stack */
+ if (sk->data.x509 == NULL) {
+ sk->data.x509 = x509;
+ sk->num += 1;
+ return WOLFSSL_SUCCESS;
+ }
+
+ /* stack already has value(s) create a new node and add more */
+ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
+ DYNAMIC_TYPE_X509);
+ if (node == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(node, 0, sizeof(WOLFSSL_STACK));
+
+ /* push new x509 onto head of stack */
+ node->data.x509 = sk->data.x509;
+ node->next = sk->next;
+ sk->next = node;
+ sk->data.x509 = x509;
+ sk->num += 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+WOLFSSL_X509* wolfSSL_sk_X509_pop(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) {
+ WOLFSSL_STACK* node;
+ WOLFSSL_X509* x509;
+
+ if (sk == NULL) {
+ return NULL;
+ }
+
+ node = sk->next;
+ x509 = sk->data.x509;
+
+ if (node != NULL) { /* update sk and remove node from stack */
+ sk->data.x509 = node->data.x509;
+ sk->next = node->next;
+ XFREE(node, NULL, DYNAMIC_TYPE_X509);
+ }
+ else { /* last x509 in stack */
+ sk->data.x509 = NULL;
+ }
+
+ if (sk->num > 0) {
+ sk->num -= 1;
+ }
+
+ return x509;
+}
+
+
+/* Getter function for WOLFSSL_X509_NAME pointer
+ *
+ * sk is the stack to retrieve pointer from
+ * i is the index value in stack
+ *
+ * returns a pointer to a WOLFSSL_X509_NAME structure on success and NULL on
+ * fail
+ */
+void* wolfSSL_sk_X509_NAME_value(const STACK_OF(WOLFSSL_X509_NAME)* sk, int i)
+{
+ WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_value");
+
+ for (; sk != NULL && i > 0; i--)
+ sk = sk->next;
+
+ if (i != 0 || sk == NULL)
+ return NULL;
+ return sk->data.name;
+}
+
+
+/* Getter function for WOLFSSL_X509 pointer
+ *
+ * sk is the stack to retrieve pointer from
+ * i is the index value in stack
+ *
+ * returns a pointer to a WOLFSSL_X509 structure on success and NULL on
+ * fail
+ */
+void* wolfSSL_sk_X509_value(STACK_OF(WOLFSSL_X509)* sk, int i)
+{
+ WOLFSSL_ENTER("wolfSSL_sk_X509_value");
+
+ for (; sk != NULL && i > 0; i--)
+ sk = sk->next;
+
+ if (i != 0 || sk == NULL)
+ return NULL;
+ return sk->data.x509;
+}
+
+
+/* Free's all nodes in X509 stack. This is different then wolfSSL_sk_X509_free
+ * in that it allows for choosing the function to use when freeing an X509s.
+ *
+ * sk stack to free nodes in
+ * f X509 free function
+ */
+void wolfSSL_sk_X509_pop_free(STACK_OF(WOLFSSL_X509)* sk, void f (WOLFSSL_X509*)){
+ WOLFSSL_STACK* node;
+
+ WOLFSSL_ENTER("wolfSSL_sk_X509_pop_free");
+
+ if (sk == NULL) {
+ return;
+ }
+
+ /* parse through stack freeing each node */
+ node = sk->next;
+ while (sk->num > 1) {
+ WOLFSSL_STACK* tmp = node;
+ node = node->next;
+
+ f(tmp->data.x509);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_X509);
+ sk->num -= 1;
+ }
+
+ /* free head of stack */
+ if (sk->num == 1) {
+ f(sk->data.x509);
+ }
+ XFREE(sk, NULL, DYNAMIC_TYPE_X509);
+}
+
+
+/* free structure for x509 stack */
+void wolfSSL_sk_X509_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) {
+ WOLFSSL_STACK* node;
+
+ if (sk == NULL) {
+ return;
+ }
+
+ /* parse through stack freeing each node */
+ node = sk->next;
+ while (sk->num > 1) {
+ WOLFSSL_STACK* tmp = node;
+ node = node->next;
+
+ wolfSSL_X509_free(tmp->data.x509);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_X509);
+ sk->num -= 1;
+ }
+
+ /* free head of stack */
+ if (sk->num == 1) {
+ wolfSSL_X509_free(sk->data.x509);
+ }
+ XFREE(sk, NULL, DYNAMIC_TYPE_X509);
+}
+
+#endif /* NO_CERTS && OPENSSL_EXTRA */
+
+#ifdef OPENSSL_EXTRA
+
+/* Returns the general name at index i from the stack
+ *
+ * sk stack to get general name from
+ * i index to get
+ *
+ * return a pointer to the internal node of the stack
+ */
+WOLFSSL_ASN1_OBJECT* wolfSSL_sk_GENERAL_NAME_value(WOLFSSL_STACK* sk, int i)
+{
+ WOLFSSL_STACK* cur;
+ int j;
+
+ WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_value");
+
+ if (i < 0 || sk == NULL) {
+ return NULL;
+ }
+
+ cur = sk;
+ for (j = 0; j < i && cur != NULL; j++) {
+ cur = cur->next;
+ }
+
+ if (cur == NULL) {
+ return NULL;
+ }
+
+ return cur->data.obj;
+}
+
+
+/* Gets the number of nodes in the stack
+ *
+ * sk stack to get the number of nodes from
+ *
+ * returns the number of nodes, -1 if no nodes
+ */
+int wolfSSL_sk_GENERAL_NAME_num(WOLFSSL_STACK* sk)
+{
+ WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_num");
+
+ if (sk == NULL) {
+ return -1;
+ }
+
+ return (int)sk->num;
+}
+
+/* Frees all nodes in a GENERAL NAME stack
+ *
+ * sk stack of nodes to free
+ * f free function to use, not called with wolfSSL
+ */
+void wolfSSL_sk_GENERAL_NAME_pop_free(WOLFSSL_STACK* sk,
+ void f (WOLFSSL_ASN1_OBJECT*))
+{
+ WOLFSSL_STACK* node;
+
+ WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_pop_free");
+
+ (void)f;
+ if (sk == NULL) {
+ return;
+ }
+
+ /* parse through stack freeing each node */
+ node = sk->next;
+ while (sk->num > 1) {
+ WOLFSSL_STACK* tmp = node;
+ node = node->next;
+
+ wolfSSL_ASN1_OBJECT_free(tmp->data.obj);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_ASN1);
+ sk->num -= 1;
+ }
+
+ /* free head of stack */
+ if (sk->num == 1) {
+ wolfSSL_ASN1_OBJECT_free(sk->data.obj);
+ }
+ XFREE(sk, NULL, DYNAMIC_TYPE_ASN1);
+
+
+}
+#endif /* OPENSSL_EXTRA */
+
+#ifndef NO_FILESYSTEM
+
+#ifndef NO_STDIO_FILESYSTEM
+
+WOLFSSL_X509* wolfSSL_X509_d2i_fp(WOLFSSL_X509** x509, XFILE file)
+{
+ WOLFSSL_X509* newX509 = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_X509_d2i_fp");
+
+ if (file != XBADFILE) {
+ byte* fileBuffer = NULL;
+ long sz = 0;
+
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz < 0) {
+ WOLFSSL_MSG("Bad tell on FILE");
+ return NULL;
+ }
+
+ fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
+ if (fileBuffer != NULL) {
+ int ret = (int)XFREAD(fileBuffer, 1, sz, file);
+ if (ret == sz) {
+ newX509 = wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz);
+ }
+ XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
+ }
+ }
+
+ if (x509 != NULL)
+ *x509 = newX509;
+
+ return newX509;
+}
+
+#endif /* NO_STDIO_FILESYSTEM */
+
+WOLFSSL_X509* wolfSSL_X509_load_certificate_file(const char* fname, int format)
+{
+#ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+#else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+#endif
+ byte* fileBuffer = staticBuffer;
+ int dynamic = 0;
+ int ret;
+ long sz = 0;
+ XFILE file;
+
+ WOLFSSL_X509* x509 = NULL;
+
+ /* Check the inputs */
+ if ((fname == NULL) ||
+ (format != WOLFSSL_FILETYPE_ASN1 && format != WOLFSSL_FILETYPE_PEM))
+ return NULL;
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE)
+ return NULL;
+
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz > (long)sizeof(staticBuffer)) {
+ fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
+ if (fileBuffer == NULL) {
+ XFCLOSE(file);
+ return NULL;
+ }
+ dynamic = 1;
+ }
+ else if (sz < 0) {
+ XFCLOSE(file);
+ return NULL;
+ }
+
+ ret = (int)XFREAD(fileBuffer, 1, sz, file);
+ if (ret != sz) {
+ XFCLOSE(file);
+ if (dynamic)
+ XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
+ return NULL;
+ }
+
+ XFCLOSE(file);
+
+ x509 = wolfSSL_X509_load_certificate_buffer(fileBuffer, (int)sz, format);
+
+ if (dynamic)
+ XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
+
+ return x509;
+}
+
+#endif /* NO_FILESYSTEM */
+
+
+WOLFSSL_X509* wolfSSL_X509_load_certificate_buffer(
+ const unsigned char* buf, int sz, int format)
+{
+ int ret;
+ WOLFSSL_X509* x509 = NULL;
+ DerBuffer* der = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_X509_load_certificate_ex");
+
+ if (format == WOLFSSL_FILETYPE_PEM) {
+ #ifdef WOLFSSL_PEM_TO_DER
+ if (PemToDer(buf, sz, CERT_TYPE, &der, NULL, NULL, NULL) != 0) {
+ FreeDer(&der);
+ }
+ #else
+ ret = NOT_COMPILED_IN;
+ #endif
+ }
+ else {
+ ret = AllocDer(&der, (word32)sz, CERT_TYPE, NULL);
+ if (ret == 0) {
+ XMEMCPY(der->buffer, buf, sz);
+ }
+ }
+
+ /* At this point we want `der` to have the certificate in DER format */
+ /* ready to be decoded. */
+ if (der != NULL && der->buffer != NULL) {
+ #ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+ #else
+ DecodedCert cert[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
+ DYNAMIC_TYPE_DCERT);
+ if (cert != NULL)
+ #endif
+ {
+ InitDecodedCert(cert, der->buffer, der->length, NULL);
+ if (ParseCertRelative(cert, CERT_TYPE, 0, NULL) == 0) {
+ x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
+ DYNAMIC_TYPE_X509);
+ if (x509 != NULL) {
+ InitX509(x509, 1, NULL);
+ if (CopyDecodedToX509(x509, cert) != 0) {
+ XFREE(x509, NULL, DYNAMIC_TYPE_X509);
+ x509 = NULL;
+ }
+ }
+ }
+
+ FreeDecodedCert(cert);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+ #endif
+ }
+
+ FreeDer(&der);
+ }
+
+ return x509;
+}
+
+#endif /* KEEP_PEER_CERT || SESSION_CERTS */
+
+/* OPENSSL_EXTRA is needed for wolfSSL_X509_d21 function
+ KEEP_OUR_CERT is to insure ability for returning ssl certificate */
+#if defined(OPENSSL_EXTRA) && defined(KEEP_OUR_CERT)
+WOLFSSL_X509* wolfSSL_get_certificate(WOLFSSL* ssl)
+{
+ if (ssl == NULL) {
+ return NULL;
+ }
+
+ if (ssl->buffers.weOwnCert) {
+ if (ssl->ourCert == NULL) {
+ if (ssl->buffers.certificate == NULL) {
+ WOLFSSL_MSG("Certificate buffer not set!");
+ return NULL;
+ }
+ ssl->ourCert = wolfSSL_X509_d2i(NULL,
+ ssl->buffers.certificate->buffer,
+ ssl->buffers.certificate->length);
+ }
+ return ssl->ourCert;
+ }
+ else { /* if cert not owned get parent ctx cert or return null */
+ if (ssl->ctx) {
+ if (ssl->ctx->ourCert == NULL) {
+ if (ssl->ctx->certificate == NULL) {
+ WOLFSSL_MSG("Ctx Certificate buffer not set!");
+ return NULL;
+ }
+ ssl->ctx->ourCert = wolfSSL_X509_d2i(NULL,
+ ssl->ctx->certificate->buffer,
+ ssl->ctx->certificate->length);
+ ssl->ctx->ownOurCert = 1;
+ }
+ return ssl->ctx->ourCert;
+ }
+ }
+
+ return NULL;
+}
+#endif /* OPENSSL_EXTRA && KEEP_OUR_CERT */
+#endif /* NO_CERTS */
+
+
+#ifdef OPENSSL_EXTRA
+/* return 1 on success 0 on fail */
+int wolfSSL_sk_ASN1_OBJECT_push(WOLF_STACK_OF(WOLFSSL_ASN1_OBJEXT)* sk,
+ WOLFSSL_ASN1_OBJECT* obj)
+{
+ WOLFSSL_STACK* node;
+
+ if (sk == NULL || obj == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* no previous values in stack */
+ if (sk->data.obj == NULL) {
+ sk->data.obj = obj;
+ sk->num += 1;
+ return WOLFSSL_SUCCESS;
+ }
+
+ /* stack already has value(s) create a new node and add more */
+ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
+ DYNAMIC_TYPE_ASN1);
+ if (node == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(node, 0, sizeof(WOLFSSL_STACK));
+
+ /* push new obj onto head of stack */
+ node->data.obj = sk->data.obj;
+ node->next = sk->next;
+ sk->next = node;
+ sk->data.obj = obj;
+ sk->num += 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+WOLFSSL_ASN1_OBJECT* wolfSSL_sk_ASN1_OBJCET_pop(
+ WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)* sk)
+{
+ WOLFSSL_STACK* node;
+ WOLFSSL_ASN1_OBJECT* obj;
+
+ if (sk == NULL) {
+ return NULL;
+ }
+
+ node = sk->next;
+ obj = sk->data.obj;
+
+ if (node != NULL) { /* update sk and remove node from stack */
+ sk->data.obj = node->data.obj;
+ sk->next = node->next;
+ XFREE(node, NULL, DYNAMIC_TYPE_ASN1);
+ }
+ else { /* last obj in stack */
+ sk->data.obj = NULL;
+ }
+
+ if (sk->num > 0) {
+ sk->num -= 1;
+ }
+
+ return obj;
+}
+
+
+#ifndef NO_ASN
+WOLFSSL_ASN1_OBJECT* wolfSSL_ASN1_OBJECT_new(void)
+{
+ WOLFSSL_ASN1_OBJECT* obj;
+
+ obj = (WOLFSSL_ASN1_OBJECT*)XMALLOC(sizeof(WOLFSSL_ASN1_OBJECT), NULL,
+ DYNAMIC_TYPE_ASN1);
+ if (obj == NULL) {
+ return NULL;
+ }
+
+ XMEMSET(obj, 0, sizeof(WOLFSSL_ASN1_OBJECT));
+ obj->d.ia5 = &(obj->d.ia5_internal);
+ return obj;
+}
+
+
+void wolfSSL_ASN1_OBJECT_free(WOLFSSL_ASN1_OBJECT* obj)
+{
+ if (obj == NULL) {
+ return;
+ }
+
+ if (obj->dynamic == 1) {
+ if (obj->obj != NULL) {
+ WOLFSSL_MSG("Freeing ASN1 OBJECT data");
+ XFREE(obj->obj, obj->heap, DYNAMIC_TYPE_ASN1);
+ }
+ }
+
+ XFREE(obj, NULL, DYNAMIC_TYPE_ASN1);
+}
+
+
+/* free structure for x509 stack */
+void wolfSSL_sk_ASN1_OBJECT_free(WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)* sk)
+{
+ WOLFSSL_STACK* node;
+
+ if (sk == NULL) {
+ return;
+ }
+
+ /* parse through stack freeing each node */
+ node = sk->next;
+ while (sk->num > 1) {
+ WOLFSSL_STACK* tmp = node;
+ node = node->next;
+
+ wolfSSL_ASN1_OBJECT_free(tmp->data.obj);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_ASN1);
+ sk->num -= 1;
+ }
+
+ /* free head of stack */
+ if (sk->num == 1) {
+ wolfSSL_ASN1_OBJECT_free(sk->data.obj);
+ }
+ XFREE(sk, NULL, DYNAMIC_TYPE_ASN1);
+}
+
+int wolfSSL_ASN1_STRING_to_UTF8(unsigned char **out, WOLFSSL_ASN1_STRING *in)
+{
+ /*
+ ASN1_STRING_to_UTF8() converts the string in to UTF8 format,
+ the converted data is allocated in a buffer in *out.
+ The length of out is returned or a negative error code.
+ The buffer *out should be free using OPENSSL_free().
+ */
+ (void)out;
+ (void)in;
+ WOLFSSL_STUB("ASN1_STRING_to_UTF8");
+ return -1;
+}
+#endif /* NO_ASN */
+
+void wolfSSL_set_connect_state(WOLFSSL* ssl)
+{
+ word16 haveRSA = 1;
+ word16 havePSK = 0;
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("WOLFSSL struct pointer passed in was null");
+ return;
+ }
+
+ #ifndef NO_DH
+ /* client creates its own DH parameters on handshake */
+ if (ssl->buffers.serverDH_P.buffer && ssl->buffers.weOwnDH) {
+ XFREE(ssl->buffers.serverDH_P.buffer, ssl->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ ssl->buffers.serverDH_P.buffer = NULL;
+ if (ssl->buffers.serverDH_G.buffer && ssl->buffers.weOwnDH) {
+ XFREE(ssl->buffers.serverDH_G.buffer, ssl->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ ssl->buffers.serverDH_G.buffer = NULL;
+ #endif
+
+ if (ssl->options.side == WOLFSSL_SERVER_END) {
+ #ifdef NO_RSA
+ haveRSA = 0;
+ #endif
+ #ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+ #endif
+ InitSuites(ssl->suites, ssl->version, ssl->buffers.keySz, haveRSA,
+ havePSK, ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, WOLFSSL_CLIENT_END);
+ }
+ ssl->options.side = WOLFSSL_CLIENT_END;
+}
+#endif /* OPENSSL_EXTRA || WOLFSSL_EXTRA */
+
+
+int wolfSSL_get_shutdown(const WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_shutdown");
+ /* in OpenSSL, WOLFSSL_SENT_SHUTDOWN = 1, when closeNotifySent *
+ * WOLFSSL_RECEIVED_SHUTDOWN = 2, from close notify or fatal err */
+ return ((ssl->options.closeNotify||ssl->options.connReset) << 1)
+ | (ssl->options.sentNotify);
+}
+
+
+int wolfSSL_session_reused(WOLFSSL* ssl)
+{
+ return ssl->options.resuming;
+}
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_EXT_CACHE)
+void wolfSSL_SESSION_free(WOLFSSL_SESSION* session)
+{
+ if (session == NULL)
+ return;
+
+#ifdef HAVE_EXT_CACHE
+ if (session->isAlloced) {
+ #ifdef HAVE_SESSION_TICKET
+ if (session->isDynamic)
+ XFREE(session->ticket, NULL, DYNAMIC_TYPE_SESSION_TICK);
+ #endif
+ XFREE(session, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+#else
+ /* No need to free since cache is static */
+ (void)session;
+#endif
+}
+#endif
+
+const char* wolfSSL_get_version(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_get_version");
+ if (ssl->version.major == SSLv3_MAJOR) {
+ switch (ssl->version.minor) {
+ #ifndef NO_OLD_TLS
+ #ifdef WOLFSSL_ALLOW_SSLV3
+ case SSLv3_MINOR :
+ return "SSLv3";
+ #endif
+ #ifdef WOLFSSL_ALLOW_TLSV10
+ case TLSv1_MINOR :
+ return "TLSv1";
+ #endif
+ case TLSv1_1_MINOR :
+ return "TLSv1.1";
+ #endif
+ case TLSv1_2_MINOR :
+ return "TLSv1.2";
+ #ifdef WOLFSSL_TLS13
+ case TLSv1_3_MINOR :
+ /* TODO: [TLS13] Remove draft versions. */
+ #ifndef WOLFSSL_TLS13_FINAL
+ #ifdef WOLFSSL_TLS13_DRAFT_18
+ return "TLSv1.3 (Draft 18)";
+ #elif defined(WOLFSSL_TLS13_DRAFT_22)
+ return "TLSv1.3 (Draft 22)";
+ #elif defined(WOLFSSL_TLS13_DRAFT_23)
+ return "TLSv1.3 (Draft 23)";
+ #elif defined(WOLFSSL_TLS13_DRAFT_26)
+ return "TLSv1.3 (Draft 26)";
+ #else
+ return "TLSv1.3 (Draft 28)";
+ #endif
+ #else
+ return "TLSv1.3";
+ #endif
+ #endif
+ default:
+ return "unknown";
+ }
+ }
+#ifdef WOLFSSL_DTLS
+ else if (ssl->version.major == DTLS_MAJOR) {
+ switch (ssl->version.minor) {
+ case DTLS_MINOR :
+ return "DTLS";
+ case DTLSv1_2_MINOR :
+ return "DTLSv1.2";
+ default:
+ return "unknown";
+ }
+ }
+#endif /* WOLFSSL_DTLS */
+ return "unknown";
+}
+
+
+/* current library version */
+const char* wolfSSL_lib_version(void)
+{
+ return LIBWOLFSSL_VERSION_STRING;
+}
+
+
+/* current library version in hex */
+word32 wolfSSL_lib_version_hex(void)
+{
+ return LIBWOLFSSL_VERSION_HEX;
+}
+
+
+int wolfSSL_get_current_cipher_suite(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_get_current_cipher_suite");
+ if (ssl)
+ return (ssl->options.cipherSuite0 << 8) | ssl->options.cipherSuite;
+ return 0;
+}
+
+WOLFSSL_CIPHER* wolfSSL_get_current_cipher(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("SSL_get_current_cipher");
+ if (ssl)
+ return &ssl->cipher;
+ else
+ return NULL;
+}
+
+
+const char* wolfSSL_CIPHER_get_name(const WOLFSSL_CIPHER* cipher)
+{
+ WOLFSSL_ENTER("SSL_CIPHER_get_name");
+
+ if (cipher == NULL || cipher->ssl == NULL) {
+ return NULL;
+ }
+
+ return wolfSSL_get_cipher_name_iana(cipher->ssl);
+}
+
+const char* wolfSSL_SESSION_CIPHER_get_name(WOLFSSL_SESSION* session)
+{
+ if (session == NULL) {
+ return NULL;
+ }
+
+#ifdef SESSION_CERTS
+ return GetCipherNameIana(session->cipherSuite0, session->cipherSuite);
+#else
+ return NULL;
+#endif
+}
+
+const char* wolfSSL_get_cipher(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_cipher");
+ return wolfSSL_CIPHER_get_name(wolfSSL_get_current_cipher(ssl));
+}
+
+/* gets cipher name in the format DHE-RSA-... rather then TLS_DHE... */
+const char* wolfSSL_get_cipher_name(WOLFSSL* ssl)
+{
+ /* get access to cipher_name_idx in internal.c */
+ return wolfSSL_get_cipher_name_internal(ssl);
+}
+
+const char* wolfSSL_get_cipher_name_from_suite(const byte cipherSuite0,
+ const byte cipherSuite)
+{
+ return GetCipherNameInternal(cipherSuite0, cipherSuite);
+}
+
+
+#ifdef HAVE_ECC
+/* Return the name of the curve used for key exchange as a printable string.
+ *
+ * ssl The SSL/TLS object.
+ * returns NULL if ECDH was not used, otherwise the name as a string.
+ */
+const char* wolfSSL_get_curve_name(WOLFSSL* ssl)
+{
+ if (ssl == NULL)
+ return NULL;
+ if (!IsAtLeastTLSv1_3(ssl->version) && ssl->specs.kea != ecdhe_psk_kea &&
+ ssl->specs.kea != ecc_diffie_hellman_kea)
+ return NULL;
+ if (ssl->ecdhCurveOID == 0)
+ return NULL;
+ if (ssl->ecdhCurveOID == ECC_X25519_OID)
+ return "X25519";
+ return wc_ecc_get_name(wc_ecc_get_oid(ssl->ecdhCurveOID, NULL, NULL));
+}
+#endif
+
+
+#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(KEEP_PEER_CERT) || \
+ defined(SESSION_CERTS)
+/* Smaller subset of X509 compatibility functions. Avoid increasing the size of
+ * this subset and its memory usage */
+
+#if !defined(NO_CERTS)
+/* returns a pointer to a new WOLFSSL_X509 structure on success and NULL on
+ * fail
+ */
+WOLFSSL_X509* wolfSSL_X509_new()
+{
+ WOLFSSL_X509* x509;
+
+ x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
+ DYNAMIC_TYPE_X509);
+ if (x509 != NULL) {
+ InitX509(x509, 1, NULL);
+ }
+
+ return x509;
+}
+
+WOLFSSL_X509_NAME* wolfSSL_X509_get_subject_name(WOLFSSL_X509* cert)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_get_subject_name");
+ if (cert && cert->subject.sz != 0)
+ return &cert->subject;
+ return NULL;
+}
+
+
+
+WOLFSSL_X509_NAME* wolfSSL_X509_get_issuer_name(WOLFSSL_X509* cert)
+{
+ WOLFSSL_ENTER("X509_get_issuer_name");
+ if (cert && cert->issuer.sz != 0)
+ return &cert->issuer;
+ return NULL;
+}
+
+
+int wolfSSL_X509_get_signature_type(WOLFSSL_X509* x509)
+{
+ int type = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_signature_type");
+
+ if (x509 != NULL)
+ type = x509->sigOID;
+
+ return type;
+}
+
+#if defined(OPENSSL_EXTRA_X509_SMALL)
+#ifdef HAVE_ECC
+ static int SetECKeyExternal(WOLFSSL_EC_KEY* eckey);
+#endif
+
+/* Used to get a string from the WOLFSSL_X509_NAME structure that
+ * corresponds with the NID value passed in.
+ *
+ * name structure to get string from
+ * nid NID value to search for
+ * buf [out] buffer to hold results. If NULL then the buffer size minus the
+ * null char is returned.
+ * len size of "buf" passed in
+ *
+ * returns the length of string found, not including the NULL terminator.
+ * It's possible the function could return a negative value in the
+ * case that len is less than or equal to 0. A negative value is
+ * considered an error case.
+ */
+int wolfSSL_X509_NAME_get_text_by_NID(WOLFSSL_X509_NAME* name,
+ int nid, char* buf, int len)
+{
+ char *text = NULL;
+ int textSz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_get_text_by_NID");
+
+ switch (nid) {
+ case ASN_COMMON_NAME:
+ text = name->fullName.fullName + name->fullName.cnIdx;
+ textSz = name->fullName.cnLen;
+ break;
+ case ASN_SUR_NAME:
+ text = name->fullName.fullName + name->fullName.snIdx;
+ textSz = name->fullName.snLen;
+ break;
+ case ASN_SERIAL_NUMBER:
+ text = name->fullName.fullName + name->fullName.serialIdx;
+ textSz = name->fullName.serialLen;
+ break;
+ case ASN_COUNTRY_NAME:
+ text = name->fullName.fullName + name->fullName.cIdx;
+ textSz = name->fullName.cLen;
+ break;
+ case ASN_LOCALITY_NAME:
+ text = name->fullName.fullName + name->fullName.lIdx;
+ textSz = name->fullName.lLen;
+ break;
+ case ASN_STATE_NAME:
+ text = name->fullName.fullName + name->fullName.stIdx;
+ textSz = name->fullName.stLen;
+ break;
+ case ASN_ORG_NAME:
+ text = name->fullName.fullName + name->fullName.oIdx;
+ textSz = name->fullName.oLen;
+ break;
+ case ASN_ORGUNIT_NAME:
+ text = name->fullName.fullName + name->fullName.ouIdx;
+ textSz = name->fullName.ouLen;
+ break;
+ case ASN_DOMAIN_COMPONENT:
+ text = name->fullName.fullName + name->fullName.dcIdx[0];
+ textSz = name->fullName.dcLen[0];
+ break;
+ default:
+ WOLFSSL_MSG("Entry type not found");
+ return SSL_FATAL_ERROR;
+ }
+
+ /* if buf is NULL return size of buffer needed (minus null char) */
+ if (buf == NULL) {
+ return textSz;
+ }
+
+ if (buf != NULL && text != NULL) {
+ textSz = min(textSz + 1, len); /* + 1 to account for null char */
+ if (textSz > 0) {
+ XMEMCPY(buf, text, textSz - 1);
+ buf[textSz - 1] = '\0';
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_NAME_get_text_by_NID", textSz);
+ return (textSz - 1); /* do not include null character in size */
+}
+
+
+/* Creates a new WOLFSSL_EVP_PKEY structure that has the public key from x509
+ *
+ * returns a pointer to the created WOLFSSL_EVP_PKEY on success and NULL on fail
+ */
+WOLFSSL_EVP_PKEY* wolfSSL_X509_get_pubkey(WOLFSSL_X509* x509)
+{
+ WOLFSSL_EVP_PKEY* key = NULL;
+ WOLFSSL_ENTER("X509_get_pubkey");
+ if (x509 != NULL) {
+ key = (WOLFSSL_EVP_PKEY*)XMALLOC(
+ sizeof(WOLFSSL_EVP_PKEY), x509->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (key != NULL) {
+ XMEMSET(key, 0, sizeof(WOLFSSL_EVP_PKEY));
+ if (x509->pubKeyOID == RSAk) {
+ key->type = EVP_PKEY_RSA;
+ }
+ else {
+ key->type = EVP_PKEY_EC;
+ }
+ key->save_type = 0;
+ key->pkey.ptr = (char*)XMALLOC(
+ x509->pubKey.length, x509->heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (key->pkey.ptr == NULL) {
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return NULL;
+ }
+ XMEMCPY(key->pkey.ptr, x509->pubKey.buffer, x509->pubKey.length);
+ key->pkey_sz = x509->pubKey.length;
+
+ #ifdef HAVE_ECC
+ key->pkey_curve = (int)x509->pkCurveOID;
+ #endif /* HAVE_ECC */
+
+ /* decode RSA key */
+ #ifndef NO_RSA
+ if (key->type == EVP_PKEY_RSA) {
+ key->ownRsa = 1;
+ key->rsa = wolfSSL_RSA_new();
+ if (key->rsa == NULL) {
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return NULL;
+ }
+
+ if (wolfSSL_RSA_LoadDer_ex(key->rsa,
+ (const unsigned char*)key->pkey.ptr, key->pkey_sz,
+ WOLFSSL_RSA_LOAD_PUBLIC) != SSL_SUCCESS) {
+ wolfSSL_RSA_free(key->rsa);
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return NULL;
+ }
+ }
+ #endif /* NO_RSA */
+
+ /* decode ECC key */
+ #ifdef HAVE_ECC
+ if (key->type == EVP_PKEY_EC) {
+ word32 idx = 0;
+
+ key->ownEcc = 1;
+ key->ecc = wolfSSL_EC_KEY_new();
+ if (key->ecc == NULL || key->ecc->internal == NULL) {
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return NULL;
+ }
+
+ /* not using wolfSSL_EC_KEY_LoadDer because public key in x509
+ * is in the format of x963 (no sequence at start of buffer) */
+ if (wc_EccPublicKeyDecode((const unsigned char*)key->pkey.ptr,
+ &idx, (ecc_key*)key->ecc->internal, key->pkey_sz) < 0) {
+ WOLFSSL_MSG("wc_EccPublicKeyDecode failed");
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ wolfSSL_EC_KEY_free(key->ecc);
+ return NULL;
+ }
+
+ if (SetECKeyExternal(key->ecc) != SSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyExternal failed");
+ XFREE(key, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ wolfSSL_EC_KEY_free(key->ecc);
+ return NULL;
+ }
+
+ key->ecc->inSet = 1;
+ }
+ #endif /* HAVE_ECC */
+ }
+ }
+ return key;
+}
+#endif /* OPENSSL_EXTRA_X509_SMALL */
+#endif /* !NO_CERTS */
+
+/* End of smaller subset of X509 compatibility functions. Avoid increasing the
+ * size of this subset and its memory usage */
+#endif /* OPENSSL_EXTRA_X509_SMALL */
+
+#if defined(OPENSSL_EXTRA)
+#if !defined(NO_CERTS)
+ int wolfSSL_X509_ext_isSet_by_NID(WOLFSSL_X509* x509, int nid)
+ {
+ int isSet = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_ext_isSet_by_NID");
+
+ if (x509 != NULL) {
+ switch (nid) {
+ case BASIC_CA_OID: isSet = x509->basicConstSet; break;
+ case ALT_NAMES_OID: isSet = x509->subjAltNameSet; break;
+ case AUTH_KEY_OID: isSet = x509->authKeyIdSet; break;
+ case SUBJ_KEY_OID: isSet = x509->subjKeyIdSet; break;
+ case KEY_USAGE_OID: isSet = x509->keyUsageSet; break;
+ #ifdef WOLFSSL_SEP
+ case CERT_POLICY_OID: isSet = x509->certPolicySet; break;
+ #endif /* WOLFSSL_SEP */
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_ext_isSet_by_NID", isSet);
+
+ return isSet;
+ }
+
+
+ int wolfSSL_X509_ext_get_critical_by_NID(WOLFSSL_X509* x509, int nid)
+ {
+ int crit = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_ext_get_critical_by_NID");
+
+ if (x509 != NULL) {
+ switch (nid) {
+ case BASIC_CA_OID: crit = x509->basicConstCrit; break;
+ case ALT_NAMES_OID: crit = x509->subjAltNameCrit; break;
+ case AUTH_KEY_OID: crit = x509->authKeyIdCrit; break;
+ case SUBJ_KEY_OID: crit = x509->subjKeyIdCrit; break;
+ case KEY_USAGE_OID: crit = x509->keyUsageCrit; break;
+ #ifdef WOLFSSL_SEP
+ case CERT_POLICY_OID: crit = x509->certPolicyCrit; break;
+ #endif /* WOLFSSL_SEP */
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_ext_get_critical_by_NID", crit);
+
+ return crit;
+ }
+
+
+ int wolfSSL_X509_get_isSet_pathLength(WOLFSSL_X509* x509)
+ {
+ int isSet = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_isSet_pathLength");
+
+ if (x509 != NULL)
+ isSet = x509->basicConstPlSet;
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_isSet_pathLength", isSet);
+
+ return isSet;
+ }
+
+
+ word32 wolfSSL_X509_get_pathLength(WOLFSSL_X509* x509)
+ {
+ word32 pathLength = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_pathLength");
+
+ if (x509 != NULL)
+ pathLength = x509->pathLength;
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_pathLength", pathLength);
+
+ return pathLength;
+ }
+
+
+ unsigned int wolfSSL_X509_get_keyUsage(WOLFSSL_X509* x509)
+ {
+ word16 usage = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_keyUsage");
+
+ if (x509 != NULL)
+ usage = x509->keyUsage;
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_keyUsage", usage);
+
+ return usage;
+ }
+
+
+ byte* wolfSSL_X509_get_authorityKeyID(WOLFSSL_X509* x509,
+ byte* dst, int* dstLen)
+ {
+ byte *id = NULL;
+ int copySz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_authorityKeyID");
+
+ if (x509 != NULL) {
+ if (x509->authKeyIdSet) {
+ copySz = min(dstLen != NULL ? *dstLen : 0,
+ (int)x509->authKeyIdSz);
+ id = x509->authKeyId;
+ }
+
+ if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) {
+ XMEMCPY(dst, id, copySz);
+ id = dst;
+ *dstLen = copySz;
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_authorityKeyID", copySz);
+
+ return id;
+ }
+
+
+ byte* wolfSSL_X509_get_subjectKeyID(WOLFSSL_X509* x509,
+ byte* dst, int* dstLen)
+ {
+ byte *id = NULL;
+ int copySz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_subjectKeyID");
+
+ if (x509 != NULL) {
+ if (x509->subjKeyIdSet) {
+ copySz = min(dstLen != NULL ? *dstLen : 0,
+ (int)x509->subjKeyIdSz);
+ id = x509->subjKeyId;
+ }
+
+ if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) {
+ XMEMCPY(dst, id, copySz);
+ id = dst;
+ *dstLen = copySz;
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_get_subjectKeyID", copySz);
+
+ return id;
+ }
+
+
+ int wolfSSL_X509_NAME_entry_count(WOLFSSL_X509_NAME* name)
+ {
+ int count = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_entry_count");
+
+ if (name != NULL)
+ count = name->fullName.entryCount;
+
+ WOLFSSL_LEAVE("wolfSSL_X509_NAME_entry_count", count);
+ return count;
+ }
+
+
+
+ int wolfSSL_X509_NAME_get_index_by_NID(WOLFSSL_X509_NAME* name,
+ int nid, int pos)
+ {
+ int ret = -1;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_get_index_by_NID");
+
+ if (name == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ /* these index values are already stored in DecodedName
+ use those when available */
+ if (name->fullName.fullName && name->fullName.fullNameLen > 0) {
+ name->fullName.dcMode = 0;
+ switch (nid) {
+ case ASN_COMMON_NAME:
+ if (pos != name->fullName.cnIdx)
+ ret = name->fullName.cnIdx;
+ break;
+ case ASN_DOMAIN_COMPONENT:
+ name->fullName.dcMode = 1;
+ if (pos < name->fullName.dcNum - 1){
+ ret = pos + 1;
+ } else {
+ ret = -1;
+ }
+ break;
+ default:
+ WOLFSSL_MSG("NID not yet implemented");
+ break;
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_NAME_get_index_by_NID", ret);
+
+ (void)pos;
+ (void)nid;
+
+ return ret;
+ }
+
+
+ WOLFSSL_ASN1_STRING* wolfSSL_X509_NAME_ENTRY_get_data(
+ WOLFSSL_X509_NAME_ENTRY* in)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_get_data");
+ return in->value;
+ }
+
+
+ /* Creates a new WOLFSSL_ASN1_STRING structure.
+ *
+ * returns a pointer to the new structure created on success or NULL if fail
+ */
+ WOLFSSL_ASN1_STRING* wolfSSL_ASN1_STRING_new()
+ {
+ WOLFSSL_ASN1_STRING* asn1;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_new");
+
+ asn1 = (WOLFSSL_ASN1_STRING*)XMALLOC(sizeof(WOLFSSL_ASN1_STRING), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (asn1 != NULL) {
+ XMEMSET(asn1, 0, sizeof(WOLFSSL_ASN1_STRING));
+ }
+
+ return asn1; /* no check for null because error case is returning null*/
+ }
+
+
+ /* used to free a WOLFSSL_ASN1_STRING structure */
+ void wolfSSL_ASN1_STRING_free(WOLFSSL_ASN1_STRING* asn1)
+ {
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_free");
+
+ if (asn1 != NULL) {
+ if (asn1->length > 0 && asn1->data != NULL) {
+ XFREE(asn1->data, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+ XFREE(asn1, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+ }
+
+
+ /* Creates a new WOLFSSL_ASN1_STRING structure given the input type.
+ *
+ * type is the type of set when WOLFSSL_ASN1_STRING is created
+ *
+ * returns a pointer to the new structure created on success or NULL if fail
+ */
+ WOLFSSL_ASN1_STRING* wolfSSL_ASN1_STRING_type_new(int type)
+ {
+ WOLFSSL_ASN1_STRING* asn1;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_type_new");
+
+ asn1 = wolfSSL_ASN1_STRING_new();
+ if (asn1 == NULL) {
+ return NULL;
+ }
+ asn1->type = type;
+
+ return asn1;
+ }
+
+
+ /* if dataSz is negative then use XSTRLEN to find length of data
+ * return WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure */
+ int wolfSSL_ASN1_STRING_set(WOLFSSL_ASN1_STRING* asn1, const void* data,
+ int dataSz)
+ {
+ int sz;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_set");
+
+ if (data == NULL || asn1 == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (dataSz < 0) {
+ sz = (int)XSTRLEN((const char*)data) + 1; /* +1 for null */
+ }
+ else {
+ sz = dataSz;
+ }
+
+ if (sz < 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* free any existing data before copying */
+ if (asn1->data != NULL) {
+ XFREE(asn1->data, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+
+ /* create new data buffer and copy over */
+ asn1->data = (char*)XMALLOC(sz, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (asn1->data == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+ XMEMCPY(asn1->data, data, sz);
+ asn1->length = sz;
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ unsigned char* wolfSSL_ASN1_STRING_data(WOLFSSL_ASN1_STRING* asn)
+ {
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_data");
+
+ if (asn) {
+ return (unsigned char*)asn->data;
+ }
+ else {
+ return NULL;
+ }
+ }
+
+
+ int wolfSSL_ASN1_STRING_length(WOLFSSL_ASN1_STRING* asn)
+ {
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_length");
+
+ if (asn) {
+ return asn->length;
+ }
+ else {
+ return 0;
+ }
+ }
+
+
+#ifdef XSNPRINTF /* a snprintf function needs to be available */
+ /* Writes the human readable form of x509 to bio.
+ *
+ * bio WOLFSSL_BIO to write to.
+ * x509 Certificate to write.
+ *
+ * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure
+ */
+ int wolfSSL_X509_print(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
+ {
+ WOLFSSL_ENTER("wolfSSL_X509_print");
+
+ if (bio == NULL || x509 == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wolfSSL_BIO_write(bio, "Certificate:\n", sizeof("Certificate:\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wolfSSL_BIO_write(bio, " Data:\n", sizeof(" Data:\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* print version of cert */
+ {
+ int version;
+ char tmp[17];
+
+ if ((version = wolfSSL_X509_version(x509)) <= 0) {
+ WOLFSSL_MSG("Error getting X509 version");
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, " Version: ",
+ sizeof(" Version: ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp), "%d\n", version);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print serial number out */
+ {
+ unsigned char serial[32];
+ int sz = sizeof(serial);
+
+ XMEMSET(serial, 0, sz);
+ if (wolfSSL_X509_get_serial_number(x509, serial, &sz)
+ != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error getting x509 serial number");
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, " Serial Number: ",
+ sizeof(" Serial Number: ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* if serial can fit into byte than print on the same line */
+ if (sz <= (int)sizeof(byte)) {
+ char tmp[17];
+ XSNPRINTF(tmp, sizeof(tmp), "%d (0x%x)\n", serial[0],serial[0]);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+ else {
+ int i;
+ char tmp[100];
+ int tmpSz = 100;
+ char val[5];
+ int valSz = 5;
+
+ /* serial is larger than int size so print off hex values */
+ if (wolfSSL_BIO_write(bio, "\n ",
+ sizeof("\n ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ tmp[0] = '\0';
+ for (i = 0; i < sz - 1 && (3 * i) < tmpSz - valSz; i++) {
+ XSNPRINTF(val, sizeof(val) - 1, "%02x:", serial[i]);
+ val[3] = '\0'; /* make sure is null terminated */
+ XSTRNCAT(tmp, val, valSz);
+ }
+ XSNPRINTF(val, sizeof(val) - 1, "%02x\n", serial[i]);
+ val[3] = '\0'; /* make sure is null terminated */
+ XSTRNCAT(tmp, val, valSz);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+ }
+
+ /* print signature algo */
+ {
+ int oid;
+ char* sig;
+
+ if ((oid = wolfSSL_X509_get_signature_type(x509)) <= 0) {
+ WOLFSSL_MSG("Error getting x509 signature type");
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, " Signature Algorithm: ",
+ sizeof(" Signature Algorithm: ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ sig = GetSigName(oid);
+ if (wolfSSL_BIO_write(bio, sig, (int)XSTRLEN(sig)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, "\n", sizeof("\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print issuer */
+ {
+ char* issuer;
+ #ifdef WOLFSSL_SMALL_STACK
+ char* buff = NULL;
+ int issSz = 0;
+ #else
+ char buff[256];
+ int issSz = 256;
+ #endif
+
+ issuer = wolfSSL_X509_NAME_oneline(
+ wolfSSL_X509_get_issuer_name(x509), buff, issSz);
+
+ if (wolfSSL_BIO_write(bio, " Issuer: ",
+ sizeof(" Issuer: ")) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ if (issuer != NULL) {
+ if (wolfSSL_BIO_write(bio, issuer, (int)XSTRLEN(issuer)) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ }
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ if (wolfSSL_BIO_write(bio, "\n", sizeof("\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print validity */
+ {
+ char tmp[80];
+
+ if (wolfSSL_BIO_write(bio, " Validity\n",
+ sizeof(" Validity\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, " Not Before: ",
+ sizeof(" Not Before: ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (GetTimeString(x509->notBefore + 2, ASN_UTC_TIME,
+ tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
+ if (GetTimeString(x509->notBefore + 2, ASN_GENERALIZED_TIME,
+ tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error getting not before date");
+ return WOLFSSL_FAILURE;
+ }
+ }
+ tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_BIO_write(bio, "\n Not After : ",
+ sizeof("\n Not After : ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (GetTimeString(x509->notAfter + 2,ASN_UTC_TIME,
+ tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
+ if (GetTimeString(x509->notAfter + 2,ASN_GENERALIZED_TIME,
+ tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Error getting not before date");
+ return WOLFSSL_FAILURE;
+ }
+ }
+ tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print subject */
+ {
+ char* subject;
+ #ifdef WOLFSSL_SMALL_STACK
+ char* buff = NULL;
+ int subSz = 0;
+ #else
+ char buff[256];
+ int subSz = 256;
+ #endif
+
+ subject = wolfSSL_X509_NAME_oneline(
+ wolfSSL_X509_get_subject_name(x509), buff, subSz);
+
+ if (wolfSSL_BIO_write(bio, "\n Subject: ",
+ sizeof("\n Subject: ")) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(subject, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ if (subject != NULL) {
+ if (wolfSSL_BIO_write(bio, subject, (int)XSTRLEN(subject)) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(subject, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ }
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(subject, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ }
+
+ /* get and print public key */
+ if (wolfSSL_BIO_write(bio, "\n Subject Public Key Info:\n",
+ sizeof("\n Subject Public Key Info:\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ {
+ char tmp[100];
+
+ switch (x509->pubKeyOID) {
+ #ifndef NO_RSA
+ case RSAk:
+ if (wolfSSL_BIO_write(bio,
+ " Public Key Algorithm: RSA\n",
+ sizeof(" Public Key Algorithm: RSA\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ #ifdef HAVE_USER_RSA
+ if (wolfSSL_BIO_write(bio,
+ " Build without user RSA to print key\n",
+ sizeof(" Build without user RSA to print key\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ #else
+ {
+ RsaKey rsa;
+ word32 idx = 0;
+ int sz;
+ byte lbit = 0;
+ int rawLen;
+ unsigned char* rawKey;
+
+ if (wc_InitRsaKey(&rsa, NULL) != 0) {
+ WOLFSSL_MSG("wc_InitRsaKey failure");
+ return WOLFSSL_FAILURE;
+ }
+ if (wc_RsaPublicKeyDecode(x509->pubKey.buffer,
+ &idx, &rsa, x509->pubKey.length) != 0) {
+ WOLFSSL_MSG("Error decoding RSA key");
+ return WOLFSSL_FAILURE;
+ }
+ if ((sz = wc_RsaEncryptSize(&rsa)) < 0) {
+ WOLFSSL_MSG("Error getting RSA key size");
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1, "%s%s: (%d bit)\n%s\n",
+ " ", "Public-Key", 8 * sz,
+ " Modulus:");
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* print out modulus */
+ XSNPRINTF(tmp, sizeof(tmp) - 1," ");
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (mp_leading_bit(&rsa.n)) {
+ lbit = 1;
+ XSTRNCAT(tmp, "00", sizeof("00"));
+ }
+
+ rawLen = mp_unsigned_bin_size(&rsa.n);
+ rawKey = (unsigned char*)XMALLOC(rawLen, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (rawKey == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return WOLFSSL_FAILURE;
+ }
+ mp_to_unsigned_bin(&rsa.n, rawKey);
+ for (idx = 0; idx < (word32)rawLen; idx++) {
+ char val[5];
+ int valSz = 5;
+
+ if ((idx == 0) && !lbit) {
+ XSNPRINTF(val, valSz - 1, "%02x", rawKey[idx]);
+ }
+ else if ((idx != 0) && (((idx + lbit) % 15) == 0)) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp))
+ <= 0) {
+ XFREE(rawKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1,
+ ":\n ");
+ XSNPRINTF(val, valSz - 1, "%02x", rawKey[idx]);
+ }
+ else {
+ XSNPRINTF(val, valSz - 1, ":%02x", rawKey[idx]);
+ }
+ XSTRNCAT(tmp, val, valSz);
+ }
+ XFREE(rawKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ /* print out remaning modulus values */
+ if ((idx > 0) && (((idx - 1 + lbit) % 15) != 0)) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print out exponent values */
+ rawLen = mp_unsigned_bin_size(&rsa.e);
+ if (rawLen < 0) {
+ WOLFSSL_MSG("Error getting exponent size");
+ return WOLFSSL_FAILURE;
+ }
+
+ if ((word32)rawLen < sizeof(word32)) {
+ rawLen = sizeof(word32);
+ }
+ rawKey = (unsigned char*)XMALLOC(rawLen, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (rawKey == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(rawKey, 0, rawLen);
+ mp_to_unsigned_bin(&rsa.e, rawKey);
+ if ((word32)rawLen <= sizeof(word32)) {
+ idx = *(word32*)rawKey;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1,
+ "\n Exponent: %d\n", idx);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ XFREE(rawKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(rawKey, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+ #endif /* HAVE_USER_RSA */
+ break;
+ #endif /* NO_RSA */
+
+ #ifdef HAVE_ECC
+ case ECDSAk:
+ {
+ word32 i;
+ ecc_key ecc;
+
+ if (wolfSSL_BIO_write(bio,
+ " Public Key Algorithm: EC\n",
+ sizeof(" Public Key Algorithm: EC\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wc_ecc_init_ex(&ecc, x509->heap, INVALID_DEVID)
+ != 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ i = 0;
+ if (wc_EccPublicKeyDecode(x509->pubKey.buffer, &i,
+ &ecc, x509->pubKey.length) != 0) {
+ wc_ecc_free(&ecc);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1, "%s%s: (%d bit)\n%s\n",
+ " ", "Public-Key",
+ 8 * wc_ecc_size(&ecc),
+ " pub:");
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ wc_ecc_free(&ecc);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1," ");
+ {
+ word32 derSz;
+ byte* der;
+
+ derSz = wc_ecc_size(&ecc) * WOLFSSL_BIT_SIZE;
+ der = (byte*)XMALLOC(derSz, x509->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (der == NULL) {
+ wc_ecc_free(&ecc);
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_ecc_export_x963(&ecc, der, &derSz) != 0) {
+ wc_ecc_free(&ecc);
+ XFREE(der, x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ for (i = 0; i < derSz; i++) {
+ char val[5];
+ int valSz = 5;
+
+ if (i == 0) {
+ XSNPRINTF(val, valSz - 1, "%02x", der[i]);
+ }
+ else if ((i % 15) == 0) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp,
+ (int)XSTRLEN(tmp)) <= 0) {
+ wc_ecc_free(&ecc);
+ XFREE(der, x509->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1,
+ ":\n ");
+ XSNPRINTF(val, valSz - 1, "%02x", der[i]);
+ }
+ else {
+ XSNPRINTF(val, valSz - 1, ":%02x", der[i]);
+ }
+ XSTRNCAT(tmp, val, valSz);
+ }
+
+ /* print out remaning modulus values */
+ if ((i > 0) && (((i - 1) % 15) != 0)) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp))
+ <= 0) {
+ wc_ecc_free(&ecc);
+ XFREE(der, x509->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ XFREE(der, x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1, "\n%s%s: %s\n",
+ " ", "ASN1 OID",
+ ecc.dp->name);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ wc_ecc_free(&ecc);
+ return WOLFSSL_FAILURE;
+ }
+ wc_ecc_free(&ecc);
+ }
+ break;
+ #endif /* HAVE_ECC */
+ default:
+ WOLFSSL_MSG("Unknown key type");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print out extensions */
+ if (wolfSSL_BIO_write(bio, " X509v3 extensions:\n",
+ sizeof(" X509v3 extensions:\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* print subject key id */
+ if (x509->subjKeyIdSet && x509->subjKeyId != NULL &&
+ x509->subjKeyIdSz > 0) {
+ char tmp[100];
+ word32 i;
+ char val[5];
+ int valSz = 5;
+
+
+ if (wolfSSL_BIO_write(bio,
+ " X509v3 Subject Key Identifier:\n",
+ sizeof(" X509v3 Subject Key Identifier:\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ XSNPRINTF(tmp, sizeof(tmp) - 1, " ");
+ for (i = 0; i < sizeof(tmp) && i < (x509->subjKeyIdSz - 1); i++) {
+ XSNPRINTF(val, valSz - 1, "%02X:", x509->subjKeyId[i]);
+ XSTRNCAT(tmp, val, valSz);
+ }
+ XSNPRINTF(val, valSz - 1, "%02X\n", x509->subjKeyId[i]);
+ XSTRNCAT(tmp, val, valSz);
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* printf out authority key id */
+ if (x509->authKeyIdSet && x509->authKeyId != NULL &&
+ x509->authKeyIdSz > 0) {
+ char tmp[100];
+ word32 i;
+ char val[5];
+ int valSz = 5;
+
+ if (wolfSSL_BIO_write(bio,
+ " X509v3 Authority Key Identifier:\n",
+ sizeof(" X509v3 Authority Key Identifier:\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ XSNPRINTF(tmp, sizeof(tmp) - 1, " keyid");
+ for (i = 0; i < x509->authKeyIdSz; i++) {
+ /* check if buffer is almost full */
+ if (XSTRLEN(tmp) >= sizeof(tmp) - valSz) {
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ tmp[0] = '\0';
+ }
+ XSNPRINTF(val, valSz - 1, ":%02X", x509->authKeyId[i]);
+ XSTRNCAT(tmp, val, valSz);
+ }
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* print issuer */
+ {
+ char* issuer;
+ #ifdef WOLFSSL_SMALL_STACK
+ char* buff = NULL;
+ int issSz = 0;
+ #else
+ char buff[256];
+ int issSz = 256;
+ #endif
+
+ issuer = wolfSSL_X509_NAME_oneline(
+ wolfSSL_X509_get_issuer_name(x509), buff, issSz);
+
+ if (wolfSSL_BIO_write(bio, "\n DirName:",
+ sizeof("\n DirName:")) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ if (issuer != NULL) {
+ if (wolfSSL_BIO_write(bio, issuer, (int)XSTRLEN(issuer)) <= 0) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+ }
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(issuer, NULL, DYNAMIC_TYPE_OPENSSL);
+ #endif
+ if (wolfSSL_BIO_write(bio, "\n", sizeof("\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+ }
+
+ /* print basic constraint */
+ if (x509->basicConstSet) {
+ char tmp[100];
+
+ if (wolfSSL_BIO_write(bio,
+ "\n X509v3 Basic Constraints:\n",
+ sizeof("\n X509v3 Basic Constraints:\n"))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp),
+ " CA:%s\n",
+ (x509->isCa)? "TRUE": "FALSE");
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* print out signature */
+ {
+ unsigned char* sig;
+ int sigSz;
+ int i;
+ char tmp[100];
+ int sigOid = wolfSSL_X509_get_signature_type(x509);
+
+ if (wolfSSL_BIO_write(bio,
+ " Signature Algorithm: ",
+ sizeof(" Signature Algorithm: ")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1,"%s\n", GetSigName(sigOid));
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ sigSz = (int)x509->sig.length;
+ sig = (unsigned char*)XMALLOC(sigSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (sig == NULL || sigSz <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wolfSSL_X509_get_signature(x509, sig, &sigSz) <= 0) {
+ XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1," ");
+ tmp[sizeof(tmp) - 1] = '\0';
+ for (i = 0; i < sigSz; i++) {
+ char val[5];
+ int valSz = 5;
+
+ if (i == 0) {
+ XSNPRINTF(val, valSz - 1, "%02x", sig[i]);
+ }
+ else if (((i % 18) == 0)) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp))
+ <= 0) {
+ XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ XSNPRINTF(tmp, sizeof(tmp) - 1,
+ ":\n ");
+ XSNPRINTF(val, valSz - 1, "%02x", sig[i]);
+ }
+ else {
+ XSNPRINTF(val, valSz - 1, ":%02x", sig[i]);
+ }
+ XSTRNCAT(tmp, val, valSz);
+ }
+ XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ /* print out remaning sig values */
+ if ((i > 0) && (((i - 1) % 18) != 0)) {
+ tmp[sizeof(tmp) - 1] = '\0';
+ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp))
+ <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+ }
+ }
+
+ /* done with print out */
+ if (wolfSSL_BIO_write(bio, "\n", sizeof("\n")) <= 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+#endif /* XSNPRINTF */
+
+#endif /* NO_CERTS */
+
+char* wolfSSL_CIPHER_description(const WOLFSSL_CIPHER* cipher, char* in,
+ int len)
+{
+ char *ret = in;
+ const char *keaStr, *authStr, *encStr, *macStr;
+ size_t strLen;
+
+ if (cipher == NULL || in == NULL)
+ return NULL;
+
+ switch (cipher->ssl->specs.kea) {
+ case no_kea:
+ keaStr = "None";
+ break;
+#ifndef NO_RSA
+ case rsa_kea:
+ keaStr = "RSA";
+ break;
+#endif
+#ifndef NO_DH
+ case diffie_hellman_kea:
+ keaStr = "DHE";
+ break;
+#endif
+ case fortezza_kea:
+ keaStr = "FZ";
+ break;
+#ifndef NO_PSK
+ case psk_kea:
+ keaStr = "PSK";
+ break;
+ #ifndef NO_DH
+ case dhe_psk_kea:
+ keaStr = "DHEPSK";
+ break;
+ #endif
+ #ifdef HAVE_ECC
+ case ecdhe_psk_kea:
+ keaStr = "ECDHEPSK";
+ break;
+ #endif
+#endif
+#ifdef HAVE_NTRU
+ case ntru_kea:
+ keaStr = "NTRU";
+ break;
+#endif
+#ifdef HAVE_ECC
+ case ecc_diffie_hellman_kea:
+ keaStr = "ECDHE";
+ break;
+ case ecc_static_diffie_hellman_kea:
+ keaStr = "ECDH";
+ break;
+#endif
+ default:
+ keaStr = "unknown";
+ break;
+ }
+
+ switch (cipher->ssl->specs.sig_algo) {
+ case anonymous_sa_algo:
+ authStr = "None";
+ break;
+#ifndef NO_RSA
+ case rsa_sa_algo:
+ authStr = "RSA";
+ break;
+#endif
+#ifndef NO_DSA
+ case dsa_sa_algo:
+ authStr = "DSA";
+ break;
+#endif
+#ifdef HAVE_ECC
+ case ecc_dsa_sa_algo:
+ authStr = "ECDSA";
+ break;
+#endif
+ default:
+ authStr = "unknown";
+ break;
+ }
+
+ switch (cipher->ssl->specs.bulk_cipher_algorithm) {
+ case wolfssl_cipher_null:
+ encStr = "None";
+ break;
+#ifndef NO_RC4
+ case wolfssl_rc4:
+ encStr = "RC4(128)";
+ break;
+#endif
+#ifndef NO_DES3
+ case wolfssl_triple_des:
+ encStr = "3DES(168)";
+ break;
+#endif
+#ifdef HAVE_IDEA
+ case wolfssl_idea:
+ encStr = "IDEA(128)";
+ break;
+#endif
+#ifndef NO_AES
+ case wolfssl_aes:
+ if (cipher->ssl->specs.key_size == 128)
+ encStr = "AES(128)";
+ else if (cipher->ssl->specs.key_size == 256)
+ encStr = "AES(256)";
+ else
+ encStr = "AES(?)";
+ break;
+ #ifdef HAVE_AESGCM
+ case wolfssl_aes_gcm:
+ if (cipher->ssl->specs.key_size == 128)
+ encStr = "AESGCM(128)";
+ else if (cipher->ssl->specs.key_size == 256)
+ encStr = "AESGCM(256)";
+ else
+ encStr = "AESGCM(?)";
+ break;
+ #endif
+ #ifdef HAVE_AESCCM
+ case wolfssl_aes_ccm:
+ if (cipher->ssl->specs.key_size == 128)
+ encStr = "AESCCM(128)";
+ else if (cipher->ssl->specs.key_size == 256)
+ encStr = "AESCCM(256)";
+ else
+ encStr = "AESCCM(?)";
+ break;
+ #endif
+#endif
+#ifdef HAVE_CHACHA
+ case wolfssl_chacha:
+ encStr = "CHACHA20/POLY1305(256)";
+ break;
+#endif
+#ifdef HAVE_CAMELLIA
+ case wolfssl_camellia:
+ if (cipher->ssl->specs.key_size == 128)
+ encStr = "Camellia(128)";
+ else if (cipher->ssl->specs.key_size == 256)
+ encStr = "Camellia(256)";
+ else
+ encStr = "Camellia(?)";
+ break;
+#endif
+#if defined(HAVE_HC128) && !defined(NO_HC128)
+ case wolfssl_hc128:
+ encStr = "HC128(128)";
+ break;
+#endif
+#if defined(HAVE_RABBIT) && !defined(NO_RABBIT)
+ case wolfssl_rabbit:
+ encStr = "RABBIT(128)";
+ break;
+#endif
+ default:
+ encStr = "unknown";
+ break;
+ }
+
+ switch (cipher->ssl->specs.mac_algorithm) {
+ case no_mac:
+ macStr = "None";
+ break;
+#ifndef NO_MD5
+ case md5_mac:
+ macStr = "MD5";
+ break;
+#endif
+#ifndef NO_SHA
+ case sha_mac:
+ macStr = "SHA1";
+ break;
+#endif
+#ifdef HAVE_SHA224
+ case sha224_mac:
+ macStr = "SHA224";
+ break;
+#endif
+#ifndef NO_SHA256
+ case sha256_mac:
+ macStr = "SHA256";
+ break;
+#endif
+#ifdef HAVE_SHA384
+ case sha384_mac:
+ macStr = "SHA384";
+ break;
+#endif
+#ifdef HAVE_SHA512
+ case sha512_mac:
+ macStr = "SHA512";
+ break;
+#endif
+#ifdef HAVE_BLAKE2
+ case blake2b_mac:
+ macStr = "BLAKE2b";
+ break;
+#endif
+ default:
+ macStr = "unknown";
+ break;
+ }
+
+ /* Build up the string by copying onto the end. */
+ XSTRNCPY(in, wolfSSL_CIPHER_get_name(cipher), len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+
+ XSTRNCPY(in, " ", len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+ XSTRNCPY(in, wolfSSL_get_version(cipher->ssl), len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+
+ XSTRNCPY(in, " Kx=", len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+ XSTRNCPY(in, keaStr, len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+
+ XSTRNCPY(in, " Au=", len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+ XSTRNCPY(in, authStr, len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+
+ XSTRNCPY(in, " Enc=", len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+ XSTRNCPY(in, encStr, len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+
+ XSTRNCPY(in, " Mac=", len);
+ in[len-1] = '\0'; strLen = XSTRLEN(in); len -= (int)strLen; in += strLen;
+ XSTRNCPY(in, macStr, len);
+ in[len-1] = '\0';
+
+ return ret;
+}
+
+
+#ifndef NO_SESSION_CACHE
+
+WOLFSSL_SESSION* wolfSSL_get1_session(WOLFSSL* ssl)
+{
+ if (ssl == NULL) {
+ return NULL;
+ }
+
+ /* sessions are stored statically, no need for reference count */
+ return wolfSSL_get_session(ssl);
+}
+
+#endif /* NO_SESSION_CACHE */
+
+
+
+/* was do nothing */
+/*
+void OPENSSL_free(void* buf)
+{
+ (void)buf;
+}
+*/
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_OCSP_parse_url(char* url, char** host, char** port, char** path,
+ int* ssl)
+{
+ (void)url;
+ (void)host;
+ (void)port;
+ (void)path;
+ (void)ssl;
+ WOLFSSL_STUB("OCSP_parse_url");
+ return 0;
+}
+#endif
+
+WOLFSSL_METHOD* wolfSSLv2_client_method(void)
+{
+ return 0;
+}
+
+
+WOLFSSL_METHOD* wolfSSLv2_server_method(void)
+{
+ return 0;
+}
+
+
+#ifndef NO_MD4
+
+void wolfSSL_MD4_Init(WOLFSSL_MD4_CTX* md4)
+{
+ /* make sure we have a big enough buffer */
+ typedef char ok[sizeof(md4->buffer) >= sizeof(Md4) ? 1 : -1];
+ (void) sizeof(ok);
+
+ WOLFSSL_ENTER("MD4_Init");
+ wc_InitMd4((Md4*)md4);
+}
+
+
+void wolfSSL_MD4_Update(WOLFSSL_MD4_CTX* md4, const void* data,
+ unsigned long len)
+{
+ WOLFSSL_ENTER("MD4_Update");
+ wc_Md4Update((Md4*)md4, (const byte*)data, (word32)len);
+}
+
+
+void wolfSSL_MD4_Final(unsigned char* digest, WOLFSSL_MD4_CTX* md4)
+{
+ WOLFSSL_ENTER("MD4_Final");
+ wc_Md4Final((Md4*)md4, digest);
+}
+
+#endif /* NO_MD4 */
+
+
+/* Removes a WOLFSSL_BIO struct from the WOLFSSL_BIO linked list.
+ *
+ * bio is the WOLFSSL_BIO struct in the list and removed.
+ *
+ * The return WOLFSSL_BIO struct is the next WOLFSSL_BIO in the list or NULL if
+ * there is none.
+ */
+WOLFSSL_BIO* wolfSSL_BIO_pop(WOLFSSL_BIO* bio)
+{
+ if (bio == NULL) {
+ WOLFSSL_MSG("Bad argument passed in");
+ return NULL;
+ }
+
+ if (bio->prev != NULL) {
+ bio->prev->next = bio->next;
+ }
+
+ if (bio->next != NULL) {
+ bio->next->prev = bio->prev;
+ }
+
+ return bio->next;
+}
+
+
+int wolfSSL_BIO_pending(WOLFSSL_BIO* bio)
+{
+ return (int)wolfSSL_BIO_ctrl_pending(bio);
+}
+
+
+
+WOLFSSL_BIO_METHOD* wolfSSL_BIO_s_mem(void)
+{
+ static WOLFSSL_BIO_METHOD meth;
+
+ WOLFSSL_ENTER("BIO_s_mem");
+ meth.type = WOLFSSL_BIO_MEMORY;
+
+ return &meth;
+}
+
+
+WOLFSSL_BIO_METHOD* wolfSSL_BIO_f_base64(void)
+{
+ static WOLFSSL_BIO_METHOD meth;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_f_base64");
+ meth.type = WOLFSSL_BIO_BASE64;
+
+ return &meth;
+}
+
+
+/* Set the flag for the bio.
+ *
+ * bio the structre to set the flag in
+ * flags the flag to use
+ */
+void wolfSSL_BIO_set_flags(WOLFSSL_BIO* bio, int flags)
+{
+ WOLFSSL_ENTER("wolfSSL_BIO_set_flags");
+
+ if (bio != NULL) {
+ bio->flags |= flags;
+ }
+}
+
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_RAND_screen(void)
+{
+ WOLFSSL_STUB("RAND_screen");
+}
+#endif
+
+
+
+int wolfSSL_RAND_load_file(const char* fname, long len)
+{
+ (void)fname;
+ /* wolfCrypt provides enough entropy internally or will report error */
+ if (len == -1)
+ return 1024;
+ else
+ return (int)len;
+}
+
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_COMP_METHOD* wolfSSL_COMP_zlib(void)
+{
+ WOLFSSL_STUB("COMP_zlib");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_COMP_METHOD* wolfSSL_COMP_rle(void)
+{
+ WOLFSSL_STUB("COMP_rle");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_COMP_add_compression_method(int method, void* data)
+{
+ (void)method;
+ (void)data;
+ WOLFSSL_STUB("COMP_add_compression_method");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_set_dynlock_create_callback(WOLFSSL_dynlock_value* (*f)(
+ const char*, int))
+{
+ WOLFSSL_STUB("CRYPTO_set_dynlock_create_callback");
+ (void)f;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_set_dynlock_lock_callback(
+ void (*f)(int, WOLFSSL_dynlock_value*, const char*, int))
+{
+ WOLFSSL_STUB("CRYPTO_set_set_dynlock_lock_callback");
+ (void)f;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_set_dynlock_destroy_callback(
+ void (*f)(WOLFSSL_dynlock_value*, const char*, int))
+{
+ WOLFSSL_STUB("CRYPTO_set_set_dynlock_destroy_callback");
+ (void)f;
+}
+#endif
+
+
+const char* wolfSSL_X509_verify_cert_error_string(long err)
+{
+ return wolfSSL_ERR_reason_error_string(err);
+}
+
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_X509_LOOKUP_add_dir(WOLFSSL_X509_LOOKUP* lookup, const char* dir,
+ long len)
+{
+ (void)lookup;
+ (void)dir;
+ (void)len;
+ WOLFSSL_STUB("X509_LOOKUP_add_dir");
+ return 0;
+}
+#endif
+
+int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP* lookup,
+ const char* file, long type)
+{
+#if !defined(NO_FILESYSTEM) && \
+ (defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM))
+ int ret = WOLFSSL_FAILURE;
+ XFILE fp;
+ long sz;
+ byte* pem = NULL;
+ byte* curr = NULL;
+ byte* prev = NULL;
+ WOLFSSL_X509* x509;
+ const char* header = NULL;
+ const char* footer = NULL;
+
+ if (type != X509_FILETYPE_PEM)
+ return BAD_FUNC_ARG;
+
+ fp = XFOPEN(file, "r");
+ if (fp == NULL)
+ return BAD_FUNC_ARG;
+
+ XFSEEK(fp, 0, XSEEK_END);
+ sz = XFTELL(fp);
+ XREWIND(fp);
+
+ if (sz <= 0)
+ goto end;
+
+ pem = (byte*)XMALLOC(sz, 0, DYNAMIC_TYPE_PEM);
+ if (pem == NULL) {
+ ret = MEMORY_ERROR;
+ goto end;
+ }
+
+ /* Read in file which may be CRLs or certificates. */
+ if (XFREAD(pem, (size_t)sz, 1, fp) != 1)
+ goto end;
+
+ prev = curr = pem;
+ do {
+ /* get PEM header and footer based on type */
+ if (wc_PemGetHeaderFooter(CRL_TYPE, &header, &footer) == 0 &&
+ XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) {
+#ifdef HAVE_CRL
+ WOLFSSL_CERT_MANAGER* cm = lookup->store->cm;
+
+ if (cm->crl == NULL) {
+ if (wolfSSL_CertManagerEnableCRL(cm, 0) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("Enable CRL failed");
+ goto end;
+ }
+ }
+
+ ret = BufferLoadCRL(cm->crl, curr, sz, WOLFSSL_FILETYPE_PEM, 1);
+ if (ret != WOLFSSL_SUCCESS)
+ goto end;
+#endif
+ curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz);
+ }
+ else if (wc_PemGetHeaderFooter(CERT_TYPE, &header, &footer) == 0 &&
+ XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) {
+ x509 = wolfSSL_X509_load_certificate_buffer(curr, (int)sz,
+ WOLFSSL_FILETYPE_PEM);
+ if (x509 == NULL)
+ goto end;
+ ret = wolfSSL_X509_STORE_add_cert(lookup->store, x509);
+ wolfSSL_X509_free(x509);
+ if (ret != WOLFSSL_SUCCESS)
+ goto end;
+ curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz);
+ }
+ else
+ goto end;
+
+ if (curr == NULL)
+ goto end;
+
+ curr++;
+ sz -= (long)(curr - prev);
+ prev = curr;
+ }
+ while (ret == WOLFSSL_SUCCESS);
+
+end:
+ if (pem != NULL)
+ XFREE(pem, 0, DYNAMIC_TYPE_PEM);
+ XFCLOSE(fp);
+ return ret;
+#else
+ (void)lookup;
+ (void)file;
+ (void)type;
+ return WOLFSSL_FAILURE;
+#endif
+}
+
+WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_hash_dir(void)
+{
+ /* Method implementation in functions. */
+ static WOLFSSL_X509_LOOKUP_METHOD meth = { 1 };
+ return &meth;
+}
+
+WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_file(void)
+{
+ /* Method implementation in functions. */
+ static WOLFSSL_X509_LOOKUP_METHOD meth = { 0 };
+ return &meth;
+}
+
+
+WOLFSSL_X509_LOOKUP* wolfSSL_X509_STORE_add_lookup(WOLFSSL_X509_STORE* store,
+ WOLFSSL_X509_LOOKUP_METHOD* m)
+{
+ /* Method is a dummy value and is not needed. */
+ (void)m;
+ /* Make sure the lookup has a back reference to the store. */
+ store->lookup.store = store;
+ return &store->lookup;
+}
+
+
+#ifndef NO_CERTS
+/* Converts the X509 to DER format and outputs it into bio.
+ *
+ * bio is the structure to hold output DER
+ * x509 certificate to create DER from
+ *
+ * returns WOLFSSL_SUCCESS on success
+ */
+int wolfSSL_i2d_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
+{
+ WOLFSSL_ENTER("wolfSSL_i2d_X509_bio");
+
+ if (bio == NULL || x509 == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (x509->derCert != NULL) {
+ word32 len = x509->derCert->length;
+ byte* der = x509->derCert->buffer;
+
+ if (wolfSSL_BIO_write(bio, der, len) == (int)len) {
+ return SSL_SUCCESS;
+ }
+ }
+
+ return WOLFSSL_FAILURE;
+}
+
+
+/* Converts an internal structure to a DER buffer
+ *
+ * x509 structure to get DER buffer from
+ * out buffer to hold result. If NULL then *out is NULL then a new buffer is
+ * created.
+ *
+ * returns the size of the DER result on success
+ */
+int wolfSSL_i2d_X509(WOLFSSL_X509* x509, unsigned char** out)
+{
+ const unsigned char* der;
+ int derSz = 0;
+
+ if (x509 == NULL || out == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ der = wolfSSL_X509_get_der(x509, &derSz);
+ if (der == NULL) {
+ return MEMORY_E;
+ }
+
+ if (*out == NULL) {
+ *out = (unsigned char*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (*out == NULL) {
+ return MEMORY_E;
+ }
+ }
+
+ XMEMCPY(*out, der, derSz);
+
+ return derSz;
+}
+
+
+/* Converts the DER from bio and creates a WOLFSSL_X509 structure from it.
+ *
+ * bio is the structure holding DER
+ * x509 certificate to create from DER. Can be NULL
+ *
+ * returns pointer to WOLFSSL_X509 structure on success and NULL on fail
+ */
+WOLFSSL_X509* wolfSSL_d2i_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509)
+{
+ WOLFSSL_X509* localX509 = NULL;
+ unsigned char* mem = NULL;
+ int ret;
+ word32 size;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_X509_bio");
+
+ if (bio == NULL) {
+ WOLFSSL_MSG("Bad Function Argument bio is NULL");
+ return NULL;
+ }
+
+ ret = wolfSSL_BIO_get_mem_data(bio, &mem);
+ if (mem == NULL || ret <= 0) {
+ WOLFSSL_MSG("Failed to get data from bio struct");
+ return NULL;
+ }
+ size = ret;
+
+ localX509 = wolfSSL_X509_d2i(NULL, mem, size);
+ if (localX509 == NULL) {
+ return NULL;
+ }
+
+ if (x509 != NULL) {
+ *x509 = localX509;
+ }
+
+ return localX509;
+}
+
+
+#if !defined(NO_ASN) && !defined(NO_PWDBASED)
+WC_PKCS12* wolfSSL_d2i_PKCS12_bio(WOLFSSL_BIO* bio, WC_PKCS12** pkcs12)
+{
+ WC_PKCS12* localPkcs12 = NULL;
+ unsigned char* mem = NULL;
+ int ret;
+ word32 size;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PKCS12_bio");
+
+ if (bio == NULL) {
+ WOLFSSL_MSG("Bad Function Argument bio is NULL");
+ return NULL;
+ }
+
+ localPkcs12 = wc_PKCS12_new();
+ if (localPkcs12 == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return NULL;
+ }
+
+ if (pkcs12 != NULL) {
+ *pkcs12 = localPkcs12;
+ }
+
+ ret = wolfSSL_BIO_get_mem_data(bio, &mem);
+ if (mem == NULL || ret <= 0) {
+ WOLFSSL_MSG("Failed to get data from bio struct");
+ wc_PKCS12_free(localPkcs12);
+ if (pkcs12 != NULL) {
+ *pkcs12 = NULL;
+ }
+ return NULL;
+ }
+ size = ret;
+
+ ret = wc_d2i_PKCS12(mem, size, localPkcs12);
+ if (ret < 0) {
+ WOLFSSL_MSG("Failed to get PKCS12 sequence");
+ wc_PKCS12_free(localPkcs12);
+ if (pkcs12 != NULL) {
+ *pkcs12 = NULL;
+ }
+ return NULL;
+ }
+
+ return localPkcs12;
+}
+
+
+/* helper function to get DER buffer from WOLFSSL_EVP_PKEY */
+static int wolfSSL_i2d_PrivateKey(WOLFSSL_EVP_PKEY* key, unsigned char** der)
+{
+ *der = (unsigned char*)key->pkey.ptr;
+
+ return key->pkey_sz;
+}
+
+
+
+/* Creates a new WC_PKCS12 structure
+ *
+ * pass password to use
+ * name friendlyName to use
+ * pkey private key to go into PKCS12 bundle
+ * cert certificate to go into PKCS12 bundle
+ * ca extra certificates that can be added to bundle. Can be NULL
+ * keyNID type of encryption to use on the key (-1 means no encryption)
+ * certNID type of ecnryption to use on the certificate
+ * itt number of iterations with encryption
+ * macItt number of iterations with mac creation
+ * keyType flag for signature and/or encryption key
+ *
+ * returns a pointer to a new WC_PKCS12 structure on success and NULL on fail
+ */
+WC_PKCS12* wolfSSL_PKCS12_create(char* pass, char* name,
+ WOLFSSL_EVP_PKEY* pkey, WOLFSSL_X509* cert,
+ WOLF_STACK_OF(WOLFSSL_X509)* ca,
+ int keyNID, int certNID, int itt, int macItt, int keyType)
+{
+ WC_PKCS12* pkcs12;
+ WC_DerCertList* list = NULL;
+ word32 passSz;
+ byte* keyDer;
+ word32 keyDerSz;
+ byte* certDer;
+ int certDerSz;
+
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_PKCS12_create()");
+
+ if (pass == NULL || pkey == NULL || cert == NULL) {
+ WOLFSSL_LEAVE("wolfSSL_PKCS12_create()", BAD_FUNC_ARG);
+ return NULL;
+ }
+ passSz = (word32)XSTRLEN(pass);
+
+ if ((ret = wolfSSL_i2d_PrivateKey(pkey, &keyDer)) < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PKCS12_create", ret);
+ return NULL;
+ }
+ keyDerSz = ret;
+
+ certDer = (byte*)wolfSSL_X509_get_der(cert, &certDerSz);
+ if (certDer == NULL) {
+ return NULL;
+ }
+
+ if (ca != NULL) {
+ WC_DerCertList* cur;
+ unsigned long numCerts = ca->num;
+ byte* curDer;
+ int curDerSz = 0;
+ WOLFSSL_STACK* sk = ca;
+
+ while (numCerts > 0 && sk != NULL) {
+ cur = (WC_DerCertList*)XMALLOC(sizeof(WC_DerCertList), NULL,
+ DYNAMIC_TYPE_PKCS);
+ if (cur == NULL) {
+ wc_FreeCertList(list, NULL);
+ return NULL;
+ }
+
+ curDer = (byte*)wolfSSL_X509_get_der(sk->data.x509, &curDerSz);
+ if (curDer == NULL || curDerSz < 0) {
+ XFREE(cur, NULL, DYNAMIC_TYPE_PKCS);
+ wc_FreeCertList(list, NULL);
+ return NULL;
+ }
+
+ cur->buffer = (byte*)XMALLOC(curDerSz, NULL, DYNAMIC_TYPE_PKCS);
+ if (cur->buffer == NULL) {
+ XFREE(cur, NULL, DYNAMIC_TYPE_PKCS);
+ wc_FreeCertList(list, NULL);
+ return NULL;
+ }
+ XMEMCPY(cur->buffer, curDer, curDerSz);
+ cur->bufferSz = curDerSz;
+ cur->next = list;
+ list = cur;
+
+ sk = sk->next;
+ numCerts--;
+ }
+ }
+
+ pkcs12 = wc_PKCS12_create(pass, passSz, name, keyDer, keyDerSz,
+ certDer, certDerSz, list, keyNID, certNID, itt, macItt,
+ keyType, NULL);
+
+ if (ca != NULL) {
+ wc_FreeCertList(list, NULL);
+ }
+
+ return pkcs12;
+}
+
+
+/* return WOLFSSL_SUCCESS on success, WOLFSSL_FAILURE on failure */
+int wolfSSL_PKCS12_parse(WC_PKCS12* pkcs12, const char* psw,
+ WOLFSSL_EVP_PKEY** pkey, WOLFSSL_X509** cert, WOLF_STACK_OF(WOLFSSL_X509)** ca)
+{
+ DecodedCert DeCert;
+ void* heap = NULL;
+ int ret;
+ byte* certData = NULL;
+ word32 certDataSz;
+ byte* pk = NULL;
+ word32 pkSz;
+ WC_DerCertList* certList = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_PKCS12_parse");
+
+ if (pkcs12 == NULL || psw == NULL || pkey == NULL || cert == NULL) {
+ WOLFSSL_MSG("Bad argument value");
+ return WOLFSSL_FAILURE;
+ }
+
+ heap = wc_PKCS12_GetHeap(pkcs12);
+ *pkey = NULL;
+ *cert = NULL;
+
+ if (ca == NULL) {
+ ret = wc_PKCS12_parse(pkcs12, psw, &pk, &pkSz, &certData, &certDataSz,
+ NULL);
+ }
+ else {
+ *ca = NULL;
+ ret = wc_PKCS12_parse(pkcs12, psw, &pk, &pkSz, &certData, &certDataSz,
+ &certList);
+ }
+ if (ret < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PKCS12_parse", ret);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* Decode cert and place in X509 stack struct */
+ if (certList != NULL) {
+ WC_DerCertList* current = certList;
+
+ *ca = (WOLF_STACK_OF(WOLFSSL_X509)*)XMALLOC(sizeof(WOLF_STACK_OF(WOLFSSL_X509)),
+ heap, DYNAMIC_TYPE_X509);
+ if (*ca == NULL) {
+ if (pk != NULL) {
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ if (certData != NULL) {
+ XFREE(*cert, heap, DYNAMIC_TYPE_PKCS); *cert = NULL;
+ }
+ /* Free up WC_DerCertList and move on */
+ while (current != NULL) {
+ WC_DerCertList* next = current->next;
+
+ XFREE(current->buffer, heap, DYNAMIC_TYPE_PKCS);
+ XFREE(current, heap, DYNAMIC_TYPE_PKCS);
+ current = next;
+ }
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(*ca, 0, sizeof(WOLF_STACK_OF(WOLFSSL_X509)));
+
+ /* add list of DER certs as X509's to stack */
+ while (current != NULL) {
+ WC_DerCertList* toFree = current;
+ WOLFSSL_X509* x509;
+
+ x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), heap,
+ DYNAMIC_TYPE_X509);
+ InitX509(x509, 1, heap);
+ InitDecodedCert(&DeCert, current->buffer, current->bufferSz, heap);
+ if (ParseCertRelative(&DeCert, CERT_TYPE, NO_VERIFY, NULL) != 0) {
+ WOLFSSL_MSG("Issue with parsing certificate");
+ FreeDecodedCert(&DeCert);
+ wolfSSL_X509_free(x509);
+ }
+ else {
+ if ((ret = CopyDecodedToX509(x509, &DeCert)) != 0) {
+ WOLFSSL_MSG("Failed to copy decoded cert");
+ FreeDecodedCert(&DeCert);
+ wolfSSL_X509_free(x509);
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ if (pk != NULL) {
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ if (certData != NULL) {
+ XFREE(certData, heap, DYNAMIC_TYPE_PKCS);
+ }
+ /* Free up WC_DerCertList */
+ while (current != NULL) {
+ WC_DerCertList* next = current->next;
+
+ XFREE(current->buffer, heap, DYNAMIC_TYPE_PKCS);
+ XFREE(current, heap, DYNAMIC_TYPE_PKCS);
+ current = next;
+ }
+ return WOLFSSL_FAILURE;
+ }
+ FreeDecodedCert(&DeCert);
+
+ if (wolfSSL_sk_X509_push(*ca, x509) != 1) {
+ WOLFSSL_MSG("Failed to push x509 onto stack");
+ wolfSSL_X509_free(x509);
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ if (pk != NULL) {
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ if (certData != NULL) {
+ XFREE(certData, heap, DYNAMIC_TYPE_PKCS);
+ }
+
+ /* Free up WC_DerCertList */
+ while (current != NULL) {
+ WC_DerCertList* next = current->next;
+
+ XFREE(current->buffer, heap, DYNAMIC_TYPE_PKCS);
+ XFREE(current, heap, DYNAMIC_TYPE_PKCS);
+ current = next;
+ }
+ return WOLFSSL_FAILURE;
+ }
+ }
+ current = current->next;
+ XFREE(toFree->buffer, heap, DYNAMIC_TYPE_PKCS);
+ XFREE(toFree, heap, DYNAMIC_TYPE_PKCS);
+ }
+ }
+
+
+ /* Decode cert and place in X509 struct */
+ if (certData != NULL) {
+ *cert = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), heap,
+ DYNAMIC_TYPE_X509);
+ if (*cert == NULL) {
+ if (pk != NULL) {
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ XFREE(certData, heap, DYNAMIC_TYPE_PKCS);
+ return WOLFSSL_FAILURE;
+ }
+ InitX509(*cert, 1, heap);
+ InitDecodedCert(&DeCert, certData, certDataSz, heap);
+ if (ParseCertRelative(&DeCert, CERT_TYPE, NO_VERIFY, NULL) != 0) {
+ WOLFSSL_MSG("Issue with parsing certificate");
+ }
+ if ((ret = CopyDecodedToX509(*cert, &DeCert)) != 0) {
+ WOLFSSL_MSG("Failed to copy decoded cert");
+ FreeDecodedCert(&DeCert);
+ if (pk != NULL) {
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ return WOLFSSL_FAILURE;
+ }
+ FreeDecodedCert(&DeCert);
+ XFREE(certData, heap, DYNAMIC_TYPE_PKCS);
+ }
+
+
+ /* get key type */
+ ret = BAD_STATE_E;
+ if (pk != NULL) { /* decode key if present */
+ *pkey = wolfSSL_PKEY_new_ex(heap);
+ if (*pkey == NULL) {
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ XFREE(pk, heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return WOLFSSL_FAILURE;
+ }
+ #ifndef NO_RSA
+ {
+ word32 keyIdx = 0;
+ RsaKey key;
+
+ if (wc_InitRsaKey(&key, heap) != 0) {
+ ret = BAD_STATE_E;
+ }
+ else {
+ if ((ret = wc_RsaPrivateKeyDecode(pk, &keyIdx, &key, pkSz))
+ == 0) {
+ (*pkey)->type = EVP_PKEY_RSA;
+ (*pkey)->rsa = wolfSSL_RSA_new();
+ (*pkey)->ownRsa = 1; /* we own RSA */
+ if ((*pkey)->rsa == NULL) {
+ WOLFSSL_MSG("issue creating EVP RSA key");
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_EVP_PKEY_free(*pkey); *pkey = NULL;
+ XFREE(pk, heap, DYNAMIC_TYPE_PKCS);
+ return WOLFSSL_FAILURE;
+ }
+ if ((ret = wolfSSL_RSA_LoadDer_ex((*pkey)->rsa, pk, pkSz,
+ WOLFSSL_RSA_LOAD_PRIVATE)) != SSL_SUCCESS) {
+ WOLFSSL_MSG("issue loading RSA key");
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_EVP_PKEY_free(*pkey); *pkey = NULL;
+ XFREE(pk, heap, DYNAMIC_TYPE_PKCS);
+ return WOLFSSL_FAILURE;
+ }
+
+ WOLFSSL_MSG("Found PKCS12 RSA key");
+ ret = 0; /* set in success state for upcoming ECC check */
+ }
+ wc_FreeRsaKey(&key);
+ }
+ }
+ #endif /* NO_RSA */
+
+ #ifdef HAVE_ECC
+ {
+ word32 keyIdx = 0;
+ ecc_key key;
+
+ if (ret != 0) { /* if is in fail state check if ECC key */
+ if (wc_ecc_init(&key) != 0) {
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_EVP_PKEY_free(*pkey); *pkey = NULL;
+ XFREE(pk, heap, DYNAMIC_TYPE_PKCS);
+ return WOLFSSL_FAILURE;
+ }
+
+ if ((ret = wc_EccPrivateKeyDecode(pk, &keyIdx, &key, pkSz))
+ != 0) {
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_EVP_PKEY_free(*pkey); *pkey = NULL;
+ XFREE(pk, heap, DYNAMIC_TYPE_PKCS);
+ WOLFSSL_MSG("Bad PKCS12 key format");
+ return WOLFSSL_FAILURE;
+ }
+ (*pkey)->type = EVP_PKEY_EC;
+ (*pkey)->pkey_curve = key.dp->oidSum;
+ wc_ecc_free(&key);
+ WOLFSSL_MSG("Found PKCS12 ECC key");
+ }
+ }
+ #else
+ if (ret != 0) { /* if is in fail state and no ECC then fail */
+ wolfSSL_X509_free(*cert); *cert = NULL;
+ if (ca != NULL) {
+ wolfSSL_sk_X509_free(*ca); *ca = NULL;
+ }
+ wolfSSL_EVP_PKEY_free(*pkey); *pkey = NULL;
+ XFREE(pk, heap, DYNAMIC_TYPE_PKCS);
+ WOLFSSL_MSG("Bad PKCS12 key format");
+ return WOLFSSL_FAILURE;
+ }
+ #endif /* HAVE_ECC */
+
+ (*pkey)->save_type = 0;
+ (*pkey)->pkey_sz = pkSz;
+ (*pkey)->pkey.ptr = (char*)pk;
+ }
+
+ (void)ret;
+ (void)ca;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* !defined(NO_ASN) && !defined(NO_PWDBASED) */
+
+
+/* no-op function. Was initially used for adding encryption algorithms available
+ * for PKCS12 */
+void wolfSSL_PKCS12_PBE_add(void)
+{
+ WOLFSSL_ENTER("wolfSSL_PKCS12_PBE_add");
+}
+
+
+
+WOLFSSL_STACK* wolfSSL_X509_STORE_CTX_get_chain(WOLFSSL_X509_STORE_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_get_chain");
+
+ if (ctx == NULL) {
+ return NULL;
+ }
+
+#ifdef SESSION_CERTS
+ /* if chain is null but sesChain is available then populate stack */
+ if (ctx->chain == NULL && ctx->sesChain != NULL) {
+ int i;
+ WOLFSSL_X509_CHAIN* c = ctx->sesChain;
+ WOLFSSL_STACK* sk = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK),
+ NULL, DYNAMIC_TYPE_X509);
+
+ if (sk == NULL) {
+ return NULL;
+ }
+
+ XMEMSET(sk, 0, sizeof(WOLFSSL_STACK));
+ ctx->chain = sk;
+
+ for (i = 0; i < c->count && i < MAX_CHAIN_DEPTH; i++) {
+ WOLFSSL_X509* x509 = wolfSSL_get_chain_X509(c, i);
+
+ if (x509 == NULL) {
+ WOLFSSL_MSG("Unable to get x509 from chain");
+ wolfSSL_sk_X509_free(sk);
+ return NULL;
+ }
+
+ if (wolfSSL_sk_X509_push(sk, x509) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Unable to load x509 into stack");
+ wolfSSL_sk_X509_free(sk);
+ wolfSSL_X509_free(x509);
+ return NULL;
+ }
+ }
+
+#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA)
+ /* add CA used to verify top of chain to the list */
+ if (c->count > 0) {
+ WOLFSSL_X509* x509 = wolfSSL_get_chain_X509(c, c->count - 1);
+ if (x509 != NULL) {
+ WOLFSSL_X509* issuer = NULL;
+ if (wolfSSL_X509_STORE_CTX_get1_issuer(&issuer, ctx, x509)
+ == WOLFSSL_SUCCESS) {
+ /* check that the certificate being looked up is not self
+ * signed and that a issuer was found */
+ if (issuer != NULL && wolfSSL_X509_NAME_cmp(&x509->issuer,
+ &x509->subject) != 0) {
+ if (wolfSSL_sk_X509_push(sk, issuer) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Unable to load CA x509 into stack");
+ wolfSSL_sk_X509_free(sk);
+ wolfSSL_X509_free(issuer);
+ return NULL;
+ }
+ }
+ else {
+ WOLFSSL_MSG("Certificate is self signed");
+ }
+ }
+ else {
+ WOLFSSL_MSG("Could not find CA for certificate");
+ }
+ }
+ }
+#endif
+
+ }
+#endif /* SESSION_CERTS */
+
+ return ctx->chain;
+}
+
+
+int wolfSSL_X509_STORE_add_cert(WOLFSSL_X509_STORE* store, WOLFSSL_X509* x509)
+{
+ int result = WOLFSSL_FATAL_ERROR;
+
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_add_cert");
+ if (store != NULL && store->cm != NULL && x509 != NULL
+ && x509->derCert != NULL) {
+ DerBuffer* derCert = NULL;
+
+ result = AllocDer(&derCert, x509->derCert->length,
+ x509->derCert->type, NULL);
+ if (result == 0) {
+ /* AddCA() frees the buffer. */
+ XMEMCPY(derCert->buffer,
+ x509->derCert->buffer, x509->derCert->length);
+ result = AddCA(store->cm, &derCert, WOLFSSL_USER_CA, 1);
+ }
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_X509_STORE_add_cert", result);
+
+ if (result != WOLFSSL_SUCCESS) {
+ result = WOLFSSL_FATAL_ERROR;
+ }
+
+ return result;
+}
+
+WOLFSSL_X509_STORE* wolfSSL_X509_STORE_new(void)
+{
+ WOLFSSL_X509_STORE* store = NULL;
+
+ if((store = (WOLFSSL_X509_STORE*)XMALLOC(sizeof(WOLFSSL_X509_STORE), NULL,
+ DYNAMIC_TYPE_X509_STORE)) == NULL)
+ goto err_exit;
+
+ if((store->cm = wolfSSL_CertManagerNew()) == NULL)
+ goto err_exit;
+
+ store->isDynamic = 1;
+
+#ifdef HAVE_CRL
+ store->crl = NULL;
+ if((store->crl = (WOLFSSL_X509_CRL *)XMALLOC(sizeof(WOLFSSL_X509_CRL),
+ NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL)
+ goto err_exit;
+ if(InitCRL(store->crl, NULL) < 0)
+ goto err_exit;
+#endif
+
+ return store;
+
+err_exit:
+ if(store == NULL)
+ return NULL;
+ if(store->cm != NULL)
+ wolfSSL_CertManagerFree(store->cm);
+#ifdef HAVE_CRL
+ if(store->crl != NULL)
+ wolfSSL_X509_CRL_free(store->crl);
+#endif
+ wolfSSL_X509_STORE_free(store);
+
+ return NULL;
+}
+
+
+void wolfSSL_X509_STORE_free(WOLFSSL_X509_STORE* store)
+{
+ if (store != NULL && store->isDynamic) {
+ if (store->cm != NULL)
+ wolfSSL_CertManagerFree(store->cm);
+#ifdef HAVE_CRL
+ if (store->crl != NULL)
+ wolfSSL_X509_CRL_free(store->crl);
+#endif
+ XFREE(store, NULL, DYNAMIC_TYPE_X509_STORE);
+ }
+}
+
+
+int wolfSSL_X509_STORE_set_flags(WOLFSSL_X509_STORE* store, unsigned long flag)
+{
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_set_flags");
+
+ if ((flag & WOLFSSL_CRL_CHECKALL) || (flag & WOLFSSL_CRL_CHECK)) {
+ ret = wolfSSL_CertManagerEnableCRL(store->cm, (int)flag);
+ }
+
+ (void)store;
+ (void)flag;
+
+ return ret;
+}
+
+
+int wolfSSL_X509_STORE_set_default_paths(WOLFSSL_X509_STORE* store)
+{
+ (void)store;
+ return WOLFSSL_SUCCESS;
+}
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_X509_STORE_get_by_subject(WOLFSSL_X509_STORE_CTX* ctx, int idx,
+ WOLFSSL_X509_NAME* name, WOLFSSL_X509_OBJECT* obj)
+{
+ (void)ctx;
+ (void)idx;
+ (void)name;
+ (void)obj;
+ WOLFSSL_STUB("X509_STORE_get_by_subject");
+ return 0;
+}
+#endif
+
+WOLFSSL_X509_STORE_CTX* wolfSSL_X509_STORE_CTX_new(void)
+{
+ WOLFSSL_X509_STORE_CTX* ctx = (WOLFSSL_X509_STORE_CTX*)XMALLOC(
+ sizeof(WOLFSSL_X509_STORE_CTX), NULL,
+ DYNAMIC_TYPE_X509_CTX);
+ if (ctx != NULL) {
+ ctx->param = NULL;
+ wolfSSL_X509_STORE_CTX_init(ctx, NULL, NULL, NULL);
+ }
+
+ return ctx;
+}
+
+
+int wolfSSL_X509_STORE_CTX_init(WOLFSSL_X509_STORE_CTX* ctx,
+ WOLFSSL_X509_STORE* store, WOLFSSL_X509* x509, WOLF_STACK_OF(WOLFSSL_X509)* sk)
+{
+ (void)sk;
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_init");
+ if (ctx != NULL) {
+ ctx->store = store;
+ ctx->current_cert = x509;
+ ctx->chain = sk;
+ ctx->domain = NULL;
+#ifdef HAVE_EX_DATA
+ ctx->ex_data = NULL;
+#endif
+ ctx->userCtx = NULL;
+ ctx->error = 0;
+ ctx->error_depth = 0;
+ ctx->discardSessionCerts = 0;
+#ifdef OPENSSL_EXTRA
+ if (ctx->param == NULL) {
+ ctx->param = (WOLFSSL_X509_VERIFY_PARAM*)XMALLOC(
+ sizeof(WOLFSSL_X509_VERIFY_PARAM),
+ NULL,DYNAMIC_TYPE_OPENSSL);
+ if (ctx->param == NULL){
+ WOLFSSL_MSG("wolfSSL_X509_STORE_CTX_init failed");
+ return SSL_FATAL_ERROR;
+ }
+ }
+#endif
+ return SSL_SUCCESS;
+ }
+ return WOLFSSL_FATAL_ERROR;
+}
+
+
+void wolfSSL_X509_STORE_CTX_free(WOLFSSL_X509_STORE_CTX* ctx)
+{
+ if (ctx != NULL) {
+ if (ctx->store != NULL)
+ wolfSSL_X509_STORE_free(ctx->store);
+ if (ctx->current_cert != NULL)
+ wolfSSL_FreeX509(ctx->current_cert);
+ if (ctx->chain != NULL)
+ wolfSSL_sk_X509_free(ctx->chain);
+#ifdef OPENSSL_EXTRA
+ if (ctx->param != NULL){
+ XFREE(ctx->param,NULL,DYNAMIC_TYPE_OPENSSL);
+ }
+#endif
+ XFREE(ctx, NULL, DYNAMIC_TYPE_X509_CTX);
+ }
+}
+
+
+void wolfSSL_X509_STORE_CTX_cleanup(WOLFSSL_X509_STORE_CTX* ctx)
+{
+ (void)ctx;
+ /* Do nothing */
+}
+
+
+int wolfSSL_X509_verify_cert(WOLFSSL_X509_STORE_CTX* ctx)
+{
+ if (ctx != NULL && ctx->store != NULL && ctx->store->cm != NULL
+ && ctx->current_cert != NULL && ctx->current_cert->derCert != NULL) {
+ return wolfSSL_CertManagerVerifyBuffer(ctx->store->cm,
+ ctx->current_cert->derCert->buffer,
+ ctx->current_cert->derCert->length,
+ WOLFSSL_FILETYPE_ASN1);
+ }
+ return WOLFSSL_FATAL_ERROR;
+}
+#endif /* NO_CERTS */
+
+#if !defined(NO_FILESYSTEM)
+static void *wolfSSL_d2i_X509_fp_ex(XFILE file, void **x509, int type)
+{
+ void *newx509 = NULL;
+ DerBuffer* der = NULL;
+ byte *fileBuffer = NULL;
+
+ if (file != XBADFILE)
+ {
+ long sz = 0;
+
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz < 0)
+ {
+ WOLFSSL_MSG("Bad tell on FILE");
+ return NULL;
+ }
+
+ fileBuffer = (byte *)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
+ if (fileBuffer != NULL)
+ {
+ if((long)XFREAD(fileBuffer, 1, sz, file) != sz)
+ {
+ WOLFSSL_MSG("File read failed");
+ goto err_exit;
+ }
+ if(type == CERT_TYPE)
+ newx509 = (void *)wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz);
+ #ifdef HAVE_CRL
+ else if(type == CRL_TYPE)
+ newx509 = (void *)wolfSSL_d2i_X509_CRL(NULL, fileBuffer, (int)sz);
+ #endif
+ #if !defined(NO_ASN) && !defined(NO_PWDBASED)
+ else if(type == PKCS12_TYPE){
+ if((newx509 = wc_PKCS12_new()) == NULL)
+ goto err_exit;
+ if(wc_d2i_PKCS12(fileBuffer, (int)sz, (WC_PKCS12*)newx509) < 0)
+ goto err_exit;
+ }
+ #endif
+ else goto err_exit;
+ if(newx509 == NULL)
+ {
+ WOLFSSL_MSG("X509 failed");
+ goto err_exit;
+ }
+ }
+ }
+ if (x509 != NULL)
+ *x509 = newx509;
+
+ goto _exit;
+
+err_exit:
+ if(newx509 != NULL){
+ if(type == CERT_TYPE)
+ wolfSSL_X509_free((WOLFSSL_X509*)newx509);
+ #ifdef HAVE_CRL
+ else {
+ if(type == CRL_TYPE)
+ wolfSSL_X509_CRL_free((WOLFSSL_X509_CRL*)newx509);
+ }
+ #endif
+ }
+_exit:
+ if(der != NULL)
+ FreeDer(&der);
+ if(fileBuffer != NULL)
+ XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
+ return newx509;
+}
+
+WOLFSSL_X509_PKCS12 *wolfSSL_d2i_PKCS12_fp(XFILE fp, WOLFSSL_X509_PKCS12 **pkcs12)
+{
+ WOLFSSL_ENTER("wolfSSL_d2i_PKCS12_fp");
+ return (WOLFSSL_X509_PKCS12 *)wolfSSL_d2i_X509_fp_ex(fp, (void **)pkcs12, PKCS12_TYPE);
+}
+
+WOLFSSL_X509 *wolfSSL_d2i_X509_fp(XFILE fp, WOLFSSL_X509 **x509)
+{
+ WOLFSSL_ENTER("wolfSSL_d2i_X509_fp");
+ return (WOLFSSL_X509 *)wolfSSL_d2i_X509_fp_ex(fp, (void **)x509, CERT_TYPE);
+}
+#endif /* !NO_FILESYSTEM */
+
+
+#ifdef HAVE_CRL
+#ifndef NO_FILESYSTEM
+WOLFSSL_X509_CRL *wolfSSL_d2i_X509_CRL_fp(XFILE fp, WOLFSSL_X509_CRL **crl)
+{
+ WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL_fp");
+ return (WOLFSSL_X509_CRL *)wolfSSL_d2i_X509_fp_ex(fp, (void **)crl, CRL_TYPE);
+}
+#endif /* !NO_FILESYSTEM */
+
+
+WOLFSSL_X509_CRL* wolfSSL_d2i_X509_CRL(WOLFSSL_X509_CRL** crl, const unsigned char* in, int len)
+{
+ WOLFSSL_X509_CRL *newcrl = NULL;
+ int ret ;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL");
+
+ if(in == NULL){
+ WOLFSSL_MSG("Bad argument value");
+ return NULL;
+ }
+
+ newcrl = (WOLFSSL_X509_CRL*)XMALLOC(sizeof(WOLFSSL_X509_CRL), NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (newcrl == NULL){
+ WOLFSSL_MSG("New CRL allocation failed");
+ return NULL;
+ }
+ if (InitCRL(newcrl, NULL) < 0) {
+ WOLFSSL_MSG("Init tmp CRL failed");
+ goto err_exit;
+ }
+ ret = BufferLoadCRL(newcrl, in, len, WOLFSSL_FILETYPE_ASN1, 1);
+ if (ret != WOLFSSL_SUCCESS){
+ WOLFSSL_MSG("Buffer Load CRL failed");
+ goto err_exit;
+ }
+ if(crl){
+ *crl = newcrl;
+ }
+ goto _exit;
+
+err_exit:
+ if(newcrl != NULL)
+ wolfSSL_X509_CRL_free(newcrl);
+ newcrl = NULL;
+_exit:
+ return newcrl;
+}
+
+void wolfSSL_X509_CRL_free(WOLFSSL_X509_CRL *crl)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_CRL_free");
+
+ FreeCRL(crl, 1);
+ return;
+}
+#endif /* HAVE_CRL */
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_lastUpdate(WOLFSSL_X509_CRL* crl)
+{
+ (void)crl;
+ WOLFSSL_STUB("X509_CRL_get_lastUpdate");
+ return 0;
+}
+#endif
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_nextUpdate(WOLFSSL_X509_CRL* crl)
+{
+ (void)crl;
+ WOLFSSL_STUB("X509_CRL_get_nextUpdate");
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_X509_CRL_verify(WOLFSSL_X509_CRL* crl, WOLFSSL_EVP_PKEY* key)
+{
+ (void)crl;
+ (void)key;
+ WOLFSSL_STUB("X509_CRL_verify");
+ return 0;
+}
+#endif
+#endif /* OPENSSL_EXTRA */
+
+#if defined(OPENSSL_EXTRA_X509_SMALL)
+/* Subset of OPENSSL_EXTRA for PKEY operations PKEY free is needed by the
+ * subset of X509 API */
+
+WOLFSSL_EVP_PKEY* wolfSSL_PKEY_new(){
+ return wolfSSL_PKEY_new_ex(NULL);
+}
+
+
+WOLFSSL_EVP_PKEY* wolfSSL_PKEY_new_ex(void* heap)
+{
+ WOLFSSL_EVP_PKEY* pkey;
+ int ret;
+ WOLFSSL_ENTER("wolfSSL_PKEY_new");
+ pkey = (WOLFSSL_EVP_PKEY*)XMALLOC(sizeof(WOLFSSL_EVP_PKEY), heap,
+ DYNAMIC_TYPE_PUBLIC_KEY);
+ if (pkey != NULL) {
+ XMEMSET(pkey, 0, sizeof(WOLFSSL_EVP_PKEY));
+ pkey->heap = heap;
+ pkey->type = WOLFSSL_EVP_PKEY_DEFAULT;
+#ifndef HAVE_FIPS
+ ret = wc_InitRng_ex(&(pkey->rng), heap, INVALID_DEVID);
+#else
+ ret = wc_InitRng(&(pkey->rng));
+#endif
+ if (ret != 0){
+ wolfSSL_EVP_PKEY_free(pkey);
+ WOLFSSL_MSG("memory falure");
+ return NULL;
+ }
+ }
+ else {
+ WOLFSSL_MSG("memory failure");
+ }
+
+ return pkey;
+}
+
+
+void wolfSSL_EVP_PKEY_free(WOLFSSL_EVP_PKEY* key)
+{
+ WOLFSSL_ENTER("wolfSSL_PKEY_free");
+ if (key != NULL) {
+ wc_FreeRng(&(key->rng));
+ if (key->pkey.ptr != NULL)
+ {
+ XFREE(key->pkey.ptr, key->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+ switch(key->type)
+ {
+ #ifndef NO_RSA
+ case EVP_PKEY_RSA:
+ if (key->rsa != NULL && key->ownRsa == 1) {
+ wolfSSL_RSA_free(key->rsa);
+ }
+ break;
+ #endif /* NO_RSA */
+
+ #ifdef HAVE_ECC
+ case EVP_PKEY_EC:
+ if (key->ecc != NULL && key->ownEcc == 1) {
+ wolfSSL_EC_KEY_free(key->ecc);
+ }
+ break;
+ #endif /* HAVE_ECC */
+
+ default:
+ break;
+ }
+ XFREE(key, key->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ }
+}
+#endif /* OPENSSL_EXTRA_X509_SMALL */
+
+
+#ifdef OPENSSL_EXTRA
+
+void wolfSSL_X509_STORE_CTX_set_time(WOLFSSL_X509_STORE_CTX* ctx,
+ unsigned long flags,
+ time_t t)
+{
+ (void)flags;
+
+ if (ctx == NULL || ctx->param == NULL)
+ return;
+
+ ctx->param->check_time = t;
+ ctx->param->flags |= WOLFSSL_USE_CHECK_TIME;
+}
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_X509_OBJECT_free_contents(WOLFSSL_X509_OBJECT* obj)
+{
+ (void)obj;
+ WOLFSSL_STUB("X509_OBJECT_free_contents");
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_X509_cmp_current_time(const WOLFSSL_ASN1_TIME* asnTime)
+{
+ (void)asnTime;
+ WOLFSSL_STUB("X509_cmp_current_time");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_sk_X509_REVOKED_num(WOLFSSL_X509_REVOKED* revoked)
+{
+ (void)revoked;
+ WOLFSSL_STUB("sk_X509_REVOKED_num");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_X509_REVOKED* wolfSSL_X509_CRL_get_REVOKED(WOLFSSL_X509_CRL* crl)
+{
+ (void)crl;
+ WOLFSSL_STUB("X509_CRL_get_REVOKED");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_X509_REVOKED* wolfSSL_sk_X509_REVOKED_value(
+ WOLFSSL_X509_REVOKED* revoked, int value)
+{
+ (void)revoked;
+ (void)value;
+ WOLFSSL_STUB("sk_X509_REVOKED_value");
+ return 0;
+}
+#endif
+
+/* Used to create a new WOLFSSL_ASN1_INTEGER structure.
+ * returns a pointer to new structure on success and NULL on failure
+ */
+WOLFSSL_ASN1_INTEGER* wolfSSL_ASN1_INTEGER_new(void)
+{
+ WOLFSSL_ASN1_INTEGER* a;
+
+ a = (WOLFSSL_ASN1_INTEGER*)XMALLOC(sizeof(WOLFSSL_ASN1_INTEGER), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (a == NULL) {
+ return NULL;
+ }
+
+ XMEMSET(a, 0, sizeof(WOLFSSL_ASN1_INTEGER));
+ a->data = a->intData;
+ a->dataMax = WOLFSSL_ASN1_INTEGER_MAX;
+ return a;
+}
+
+
+/* free's internal elements of WOLFSSL_ASN1_INTEGER and free's "in" itself */
+void wolfSSL_ASN1_INTEGER_free(WOLFSSL_ASN1_INTEGER* in)
+{
+ if (in != NULL) {
+ if (in->isDynamic) {
+ XFREE(in->data, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+ XFREE(in, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+}
+
+
+WOLFSSL_ASN1_INTEGER* wolfSSL_X509_get_serialNumber(WOLFSSL_X509* x509)
+{
+ WOLFSSL_ASN1_INTEGER* a;
+ int i = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_serialNumber");
+
+ a = wolfSSL_ASN1_INTEGER_new();
+ if (a == NULL)
+ return NULL;
+
+ /* Make sure there is space for the data, ASN.1 type and length. */
+ if (x509->serialSz > (WOLFSSL_ASN1_INTEGER_MAX - 2)) {
+ /* dynamicly create data buffer, +2 for type and length */
+ a->data = (unsigned char*)XMALLOC(x509->serialSz + 2, NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (a->data == NULL) {
+ wolfSSL_ASN1_INTEGER_free(a);
+ return NULL;
+ }
+ a->dataMax = x509->serialSz + 2;
+ a->isDynamic = 1;
+ }
+
+ a->data[i++] = ASN_INTEGER;
+ i += SetLength(x509->serialSz, a->data + i);
+ XMEMCPY(&a->data[i], x509->serial, x509->serialSz);
+
+ return a;
+}
+
+#endif /* OPENSSL_EXTRA */
+
+#if defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(WOLFSSL_NGINX) || \
+ defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
+int wolfSSL_ASN1_TIME_print(WOLFSSL_BIO* bio, const WOLFSSL_ASN1_TIME* asnTime)
+{
+ char buf[MAX_TIME_STRING_SZ];
+ int ret = WOLFSSL_SUCCESS;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_TIME_print");
+
+ if (bio == NULL || asnTime == NULL) {
+ WOLFSSL_MSG("NULL function argument");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wolfSSL_ASN1_TIME_to_string((WOLFSSL_ASN1_TIME*)asnTime, buf,
+ sizeof(buf)) == NULL) {
+ XMEMSET(buf, 0, MAX_TIME_STRING_SZ);
+ XMEMCPY(buf, "Bad time value", 14);
+ ret = WOLFSSL_FAILURE;
+ }
+
+ if (wolfSSL_BIO_write(bio, buf, (int)XSTRLEN(buf)) <= 0) {
+ WOLFSSL_MSG("Unable to write to bio");
+ return WOLFSSL_FAILURE;
+ }
+
+ return ret;
+}
+
+
+char* wolfSSL_ASN1_TIME_to_string(WOLFSSL_ASN1_TIME* t, char* buf, int len)
+{
+ int format;
+ int dateLen;
+ byte* date = (byte*)t;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_TIME_to_string");
+
+ if (t == NULL || buf == NULL || len < 5) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+
+ format = *date; date++;
+ dateLen = *date; date++;
+ if (dateLen > len) {
+ WOLFSSL_MSG("Length of date is longer then buffer");
+ return NULL;
+ }
+
+ if (!GetTimeString(date, format, buf, len)) {
+ return NULL;
+ }
+
+ return buf;
+}
+#endif /* WOLFSSL_MYSQL_COMPATIBLE || WOLFSSL_NGINX || WOLFSSL_HAPROXY ||
+ OPENSSL_EXTRA*/
+
+
+#ifdef OPENSSL_EXTRA
+
+#if !defined(NO_ASN_TIME) && !defined(USER_TIME) && \
+ !defined(TIME_OVERRIDES) && !defined(NO_FILESYSTEM)
+
+WOLFSSL_ASN1_TIME* wolfSSL_ASN1_TIME_adj(WOLFSSL_ASN1_TIME *s, time_t t,
+ int offset_day, long offset_sec)
+{
+ const time_t sec_per_day = 24*60*60;
+ struct tm* ts = NULL;
+ struct tm* tmpTime = NULL;
+ time_t t_adj = 0;
+ time_t offset_day_sec = 0;
+
+#if defined(NEED_TMP_TIME)
+ struct tm tmpTimeStorage;
+ tmpTime = &tmpTimeStorage;
+#else
+ (void)tmpTime;
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_TIME_adj");
+
+ if (s == NULL){
+ s = (WOLFSSL_ASN1_TIME*)XMALLOC(sizeof(WOLFSSL_ASN1_TIME), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (s == NULL){
+ return NULL;
+ }
+ }
+
+ /* compute GMT time with offset */
+ offset_day_sec = offset_day * sec_per_day;
+ t_adj = t + offset_day_sec + offset_sec;
+ ts = (struct tm *)XGMTIME(&t_adj, tmpTime);
+ if (ts == NULL){
+ WOLFSSL_MSG("failed to get time data.");
+ XFREE(s, NULL, DYNAMIC_TYPE_OPENSSL);
+ return NULL;
+ }
+
+ /* create ASN1 time notation */
+ /* UTC Time */
+ if (ts->tm_year >= 50 && ts->tm_year < 150){
+ char utc_str[ASN_UTC_TIME_SIZE];
+ int utc_year = 0,utc_mon,utc_day,utc_hour,utc_min,utc_sec;
+ byte *data_ptr = NULL;
+
+ if (ts->tm_year >= 50 && ts->tm_year < 100){
+ utc_year = ts->tm_year;
+ } else if (ts->tm_year >= 100 && ts->tm_year < 150){
+ utc_year = ts->tm_year - 100;
+ }
+ utc_mon = ts->tm_mon + 1;
+ utc_day = ts->tm_mday;
+ utc_hour = ts->tm_hour;
+ utc_min = ts->tm_min;
+ utc_sec = ts->tm_sec;
+ XSNPRINTF((char *)utc_str, ASN_UTC_TIME_SIZE,
+ "%02d%02d%02d%02d%02d%02dZ",
+ utc_year, utc_mon, utc_day, utc_hour, utc_min, utc_sec);
+ data_ptr = s->data;
+ *data_ptr = (byte) ASN_UTC_TIME; data_ptr++;
+ *data_ptr = (byte) ASN_UTC_TIME_SIZE; data_ptr++;
+ XMEMCPY(data_ptr,(byte *)utc_str, ASN_UTC_TIME_SIZE);
+ /* GeneralizedTime */
+ } else {
+ char gt_str[ASN_GENERALIZED_TIME_SIZE];
+ int gt_year,gt_mon,gt_day,gt_hour,gt_min,gt_sec;
+ byte *data_ptr = NULL;
+
+ gt_year = ts->tm_year + 1900;
+ gt_mon = ts->tm_mon + 1;
+ gt_day = ts->tm_mday;
+ gt_hour = ts->tm_hour;
+ gt_min = ts->tm_min;
+ gt_sec = ts->tm_sec;
+ XSNPRINTF((char *)gt_str, ASN_GENERALIZED_TIME_SIZE,
+ "%4d%02d%02d%02d%02d%02dZ",
+ gt_year, gt_mon, gt_day, gt_hour, gt_min,gt_sec);
+ data_ptr = s->data;
+ *data_ptr = (byte) ASN_GENERALIZED_TIME; data_ptr++;
+ *data_ptr = (byte) ASN_GENERALIZED_TIME_SIZE; data_ptr++;
+ XMEMCPY(data_ptr,(byte *)gt_str, ASN_GENERALIZED_TIME_SIZE);
+ }
+
+ return s;
+}
+#endif /* !NO_ASN_TIME && !USER_TIME && !TIME_OVERRIDES && !NO_FILESYSTEM */
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_ASN1_INTEGER_cmp(const WOLFSSL_ASN1_INTEGER* a,
+ const WOLFSSL_ASN1_INTEGER* b)
+{
+ (void)a;
+ (void)b;
+ WOLFSSL_STUB("ASN1_INTEGER_cmp");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_ASN1_INTEGER_get(const WOLFSSL_ASN1_INTEGER* i)
+{
+ (void)i;
+ WOLFSSL_STUB("ASN1_INTEGER_get");
+ return 0;
+}
+#endif
+
+
+void* wolfSSL_X509_STORE_CTX_get_ex_data(WOLFSSL_X509_STORE_CTX* ctx, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_get_ex_data");
+#if defined(HAVE_EX_DATA) || defined(FORTRESS)
+ if (ctx != NULL && idx == 0)
+ return ctx->ex_data;
+#else
+ (void)ctx;
+ (void)idx;
+#endif
+ return 0;
+}
+
+
+/* Gets an index to store SSL structure at.
+ *
+ * Returns positive index on success and negative values on failure
+ */
+int wolfSSL_get_ex_data_X509_STORE_CTX_idx(void)
+{
+ WOLFSSL_ENTER("wolfSSL_get_ex_data_X509_STORE_CTX_idx");
+
+ /* store SSL at index 0 */
+ return 0;
+}
+
+
+/* Set an error stat in the X509 STORE CTX
+ *
+ */
+void wolfSSL_X509_STORE_CTX_set_error(WOLFSSL_X509_STORE_CTX* ctx, int er)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_CTX_set_error");
+
+ if (ctx != NULL) {
+ ctx->error = er;
+ }
+}
+
+
+/* Sets a function callback that will send information about the state of all
+ * WOLFSSL objects that have been created by the WOLFSSL_CTX structure passed
+ * in.
+ *
+ * ctx WOLFSSL_CTX structre to set callback function in
+ * f callback function to use
+ */
+void wolfSSL_CTX_set_info_callback(WOLFSSL_CTX* ctx,
+ void (*f)(const WOLFSSL* ssl, int type, int val))
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_info_callback");
+ if (ctx == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ }
+ else {
+ ctx->CBIS = f;
+ }
+}
+
+
+unsigned long wolfSSL_ERR_peek_error(void)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_peek_error");
+
+ return wolfSSL_ERR_peek_error_line_data(NULL, NULL, NULL, NULL);
+}
+
+
+/* This function is to find global error values that are the same through out
+ * all library version. With wolfSSL having only one set of error codes the
+ * return value is pretty straight forward. The only thing needed is all wolfSSL
+ * error values are typically negative.
+ *
+ * Returns the error reason
+ */
+int wolfSSL_ERR_GET_REASON(unsigned long err)
+{
+ int ret = (int)err;
+
+ WOLFSSL_ENTER("wolfSSL_ERR_GET_REASON");
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+ /* Nginx looks for this error to know to stop parsing certificates. */
+ if (err == ((ERR_LIB_PEM << 24) | PEM_R_NO_START_LINE))
+ return PEM_R_NO_START_LINE;
+#endif
+
+ /* check if error value is in range of wolfSSL errors */
+ ret = 0 - ret; /* setting as negative value */
+ /* wolfCrypt range is less than MAX (-100)
+ wolfSSL range is MIN (-300) and lower */
+ if (ret < MAX_CODE_E) {
+ return ret;
+ }
+ else {
+ WOLFSSL_MSG("Not in range of typical error values");
+ ret = (int)err;
+ }
+
+ return ret;
+}
+
+
+/* returns a string that describes the alert
+ *
+ * alertID the alert value to look up
+ */
+const char* wolfSSL_alert_type_string_long(int alertID)
+{
+ WOLFSSL_ENTER("wolfSSL_aalert_type_string_long");
+
+ switch (alertID) {
+ case close_notify:
+ {
+ static const char close_notify_str[] =
+ "close_notify";
+ return close_notify_str;
+ }
+
+ case unexpected_message:
+ {
+ static const char unexpected_message_str[] =
+ "unexpected_message";
+ return unexpected_message_str;
+ }
+
+ case bad_record_mac:
+ {
+ static const char bad_record_mac_str[] =
+ "bad_record_mac";
+ return bad_record_mac_str;
+ }
+
+ case record_overflow:
+ {
+ static const char record_overflow_str[] =
+ "record_overflow";
+ return record_overflow_str;
+ }
+
+ case decompression_failure:
+ {
+ static const char decompression_failure_str[] =
+ "decompression_failure";
+ return decompression_failure_str;
+ }
+
+ case handshake_failure:
+ {
+ static const char handshake_failure_str[] =
+ "handshake_failure";
+ return handshake_failure_str;
+ }
+
+ case no_certificate:
+ {
+ static const char no_certificate_str[] =
+ "no_certificate";
+ return no_certificate_str;
+ }
+
+ case bad_certificate:
+ {
+ static const char bad_certificate_str[] =
+ "bad_certificate";
+ return bad_certificate_str;
+ }
+
+ case unsupported_certificate:
+ {
+ static const char unsupported_certificate_str[] =
+ "unsupported_certificate";
+ return unsupported_certificate_str;
+ }
+
+ case certificate_revoked:
+ {
+ static const char certificate_revoked_str[] =
+ "certificate_revoked";
+ return certificate_revoked_str;
+ }
+
+ case certificate_expired:
+ {
+ static const char certificate_expired_str[] =
+ "certificate_expired";
+ return certificate_expired_str;
+ }
+
+ case certificate_unknown:
+ {
+ static const char certificate_unknown_str[] =
+ "certificate_unknown";
+ return certificate_unknown_str;
+ }
+
+ case illegal_parameter:
+ {
+ static const char illegal_parameter_str[] =
+ "illegal_parameter";
+ return illegal_parameter_str;
+ }
+
+ case decode_error:
+ {
+ static const char decode_error_str[] =
+ "decode_error";
+ return decode_error_str;
+ }
+
+ case decrypt_error:
+ {
+ static const char decrypt_error_str[] =
+ "decrypt_error";
+ return decrypt_error_str;
+ }
+
+ #ifdef WOLFSSL_MYSQL_COMPATIBLE
+ /* catch name conflict for enum protocol with MYSQL build */
+ case wc_protocol_version:
+ {
+ static const char wc_protocol_version_str[] =
+ "wc_protocol_version";
+ return wc_protocol_version_str;
+ }
+
+ #else
+ case protocol_version:
+ {
+ static const char protocol_version_str[] =
+ "protocol_version";
+ return protocol_version_str;
+ }
+
+ #endif
+ case no_renegotiation:
+ {
+ static const char no_renegotiation_str[] =
+ "no_renegotiation";
+ return no_renegotiation_str;
+ }
+
+ case unrecognized_name:
+ {
+ static const char unrecognized_name_str[] =
+ "unrecognized_name";
+ return unrecognized_name_str;
+ }
+
+ case bad_certificate_status_response:
+ {
+ static const char bad_certificate_status_response_str[] =
+ "bad_certificate_status_response";
+ return bad_certificate_status_response_str;
+ }
+
+ case no_application_protocol:
+ {
+ static const char no_application_protocol_str[] =
+ "no_application_protocol";
+ return no_application_protocol_str;
+ }
+
+ default:
+ WOLFSSL_MSG("Unknown Alert");
+ return NULL;
+ }
+}
+
+
+const char* wolfSSL_alert_desc_string_long(int alertID)
+{
+ WOLFSSL_ENTER("wolfSSL_alert_desc_string_long");
+ return wolfSSL_alert_type_string_long(alertID);
+}
+
+
+/* Gets the current state of the WOLFSSL structure
+ *
+ * ssl WOLFSSL structure to get state of
+ *
+ * Returns a human readable string of the WOLFSSL structure state
+ */
+const char* wolfSSL_state_string_long(const WOLFSSL* ssl)
+{
+
+ static const char* OUTPUT_STR[14][6][3] = {
+ {
+ {"SSLv3 Initialization","SSLv3 Initialization","SSLv3 Initialization"},
+ {"TLSv1 Initialization","TLSv2 Initialization","TLSv2 Initialization"},
+ {"TLSv1_1 Initialization","TLSv1_1 Initialization","TLSv1_1 Initialization"},
+ {"TLSv1_2 Initialization","TLSv1_2 Initialization","TLSv1_2 Initialization"},
+ {"DTLSv1 Initialization","DTLSv1 Initialization","DTLSv1 Initialization"},
+ {"DTLSv1_2 Initialization","DTLSv1_2 Initialization","DTLSv1_2 Initialization"},
+ },
+ {
+ {"SSLv3 read Server Hello Verify Request",
+ "SSLv3 write Server Hello Verify Request",
+ "SSLv3 Server Hello Verify Request"},
+ {"TLSv1 read Server Hello Verify Request",
+ "TLSv1 write Server Hello Verify Request",
+ "TLSv1 Server Hello Verify Request"},
+ {"TLSv1_1 read Server Hello Verify Request",
+ "TLSv1_1 write Server Hello Verify Request",
+ "TLSv1_1 Server Hello Verify Request"},
+ {"TLSv1_2 read Server Hello Verify Request",
+ "TLSv1_2 write Server Hello Verify Request",
+ "TLSv1_2 Server Hello Verify Request"},
+ {"DTLSv1 read Server Hello Verify Request",
+ "DTLSv1 write Server Hello Verify Request",
+ "DTLSv1 Server Hello Verify Request"},
+ {"DTLSv1_2 read Server Hello Verify Request",
+ "DTLSv1_2 write Server Hello Verify Request",
+ "DTLSv1_2 Server Hello Verify Request"},
+ },
+ {
+ {"SSLv3 read Server Hello",
+ "SSLv3 write Server Hello",
+ "SSLv3 Server Hello"},
+ {"TLSv1 read Server Hello",
+ "TLSv1 write Server Hello",
+ "TLSv1 Server Hello"},
+ {"TLSv1_1 read Server Hello",
+ "TLSv1_1 write Server Hello",
+ "TLSv1_1 Server Hello"},
+ {"TLSv1_2 read Server Hello",
+ "TLSv1_2 write Server Hello",
+ "TLSv1_2 Server Hello"},
+ {"DTLSv1 read Server Hello",
+ "DTLSv1 write Server Hello",
+ "DTLSv1 Server Hello"},
+ {"DTLSv1_2 read Server Hello"
+ "DTLSv1_2 write Server Hello",
+ "DTLSv1_2 Server Hello",
+ },
+ },
+ {
+ {"SSLv3 read Server Session Ticket",
+ "SSLv3 write Server Session Ticket",
+ "SSLv3 Server Session Ticket"},
+ {"TLSv1 read Server Session Ticket",
+ "TLSv1 write Server Session Ticket",
+ "TLSv1 Server Session Ticket"},
+ {"TLSv1_1 read Server Session Ticket",
+ "TLSv1_1 write Server Session Ticket",
+ "TLSv1_1 Server Session Ticket"},
+ {"TLSv1_2 read Server Session Ticket",
+ "TLSv1_2 write Server Session Ticket",
+ "TLSv1_2 Server Session Ticket"},
+ {"DTLSv1 read Server Session Ticket",
+ "DTLSv1 write Server Session Ticket",
+ "DTLSv1 Server Session Ticket"},
+ {"DTLSv1_2 read Server Session Ticket",
+ "DTLSv1_2 write Server Session Ticket",
+ "DTLSv1_2 Server Session Ticket"},
+ },
+ {
+ {"SSLv3 read Server Cert",
+ "SSLv3 write Server Cert",
+ "SSLv3 Server Cert"},
+ {"TLSv1 read Server Cert",
+ "TLSv1 write Server Cert",
+ "TLSv1 Server Cert"},
+ {"TLSv1_1 read Server Cert",
+ "TLSv1_1 write Server Cert",
+ "TLSv1_1 Server Cert"},
+ {"TLSv1_2 read Server Cert",
+ "TLSv1_2 write Server Cert",
+ "TLSv1_2 Server Cert"},
+ {"DTLSv1 read Server Cert",
+ "DTLSv1 write Server Cert",
+ "DTLSv1 Server Cert"},
+ {"DTLSv1_2 read Server Cert",
+ "DTLSv1_2 write Server Cert",
+ "DTLSv1_2 Server Cert"},
+ },
+ {
+ {"SSLv3 read Server Key Exchange",
+ "SSLv3 write Server Key Exchange",
+ "SSLv3 Server Key Exchange"},
+ {"TLSv1 read Server Key Exchange",
+ "TLSv1 write Server Key Exchange",
+ "TLSv1 Server Key Exchange"},
+ {"TLSv1_1 read Server Key Exchange",
+ "TLSv1_1 write Server Key Exchange",
+ "TLSv1_1 Server Key Exchange"},
+ {"TLSv1_2 read Server Key Exchange",
+ "TLSv1_2 write Server Key Exchange",
+ "TLSv1_2 Server Key Exchange"},
+ {"DTLSv1 read Server Key Exchange",
+ "DTLSv1 write Server Key Exchange",
+ "DTLSv1 Server Key Exchange"},
+ {"DTLSv1_2 read Server Key Exchange",
+ "DTLSv1_2 write Server Key Exchange",
+ "DTLSv1_2 Server Key Exchange"},
+ },
+ {
+ {"SSLv3 read Server Hello Done",
+ "SSLv3 write Server Hello Done",
+ "SSLv3 Server Hello Done"},
+ {"TLSv1 read Server Hello Done",
+ "TLSv1 write Server Hello Done",
+ "TLSv1 Server Hello Done"},
+ {"TLSv1_1 read Server Hello Done",
+ "TLSv1_1 write Server Hello Done",
+ "TLSv1_1 Server Hello Done"},
+ {"TLSv1_2 read Server Hello Done",
+ "TLSv1_2 write Server Hello Done",
+ "TLSv1_2 Server Hello Done"},
+ {"DTLSv1 read Server Hello Done",
+ "DTLSv1 write Server Hello Done",
+ "DTLSv1 Server Hello Done"},
+ {"DTLSv1_2 read Server Hello Done",
+ "DTLSv1_2 write Server Hello Done",
+ "DTLSv1_2 Server Hello Done"},
+ },
+ {
+ {"SSLv3 read Server Change CipherSpec",
+ "SSLv3 write Server Change CipherSpec",
+ "SSLv3 Server Change CipherSpec"},
+ {"TLSv1 read Server Change CipherSpec",
+ "TLSv1 write Server Change CipherSpec",
+ "TLSv1 Server Change CipherSpec"},
+ {"TLSv1_1 read Server Change CipherSpec",
+ "TLSv1_1 write Server Change CipherSpec",
+ "TLSv1_1 Server Change CipherSpec"},
+ {"TLSv1_2 read Server Change CipherSpec",
+ "TLSv1_2 write Server Change CipherSpec",
+ "TLSv1_2 Server Change CipherSpec"},
+ {"DTLSv1 read Server Change CipherSpec",
+ "DTLSv1 write Server Change CipherSpec",
+ "DTLSv1 Server Change CipherSpec"},
+ {"DTLSv1_2 read Server Change CipherSpec",
+ "DTLSv1_2 write Server Change CipherSpec",
+ "DTLSv1_2 Server Change CipherSpec"},
+ },
+ {
+ {"SSLv3 read Server Finished",
+ "SSLv3 write Server Finished",
+ "SSLv3 Server Finished"},
+ {"TLSv1 read Server Finished",
+ "TLSv1 write Server Finished",
+ "TLSv1 Server Finished"},
+ {"TLSv1_1 read Server Finished",
+ "TLSv1_1 write Server Finished",
+ "TLSv1_1 Server Finished"},
+ {"TLSv1_2 read Server Finished",
+ "TLSv1_2 write Server Finished",
+ "TLSv1_2 Server Finished"},
+ {"DTLSv1 read Server Finished",
+ "DTLSv1 write Server Finished",
+ "DTLSv1 Server Finished"},
+ {"DTLSv1_2 read Server Finished",
+ "DTLSv1_2 write Server Finished",
+ "DTLSv1_2 Server Finished"},
+ },
+ {
+ {"SSLv3 read Client Hello",
+ "SSLv3 write Client Hello",
+ "SSLv3 Client Hello"},
+ {"TLSv1 read Client Hello",
+ "TLSv1 write Client Hello",
+ "TLSv1 Client Hello"},
+ {"TLSv1_1 read Client Hello",
+ "TLSv1_1 write Client Hello",
+ "TLSv1_1 Client Hello"},
+ {"TLSv1_2 read Client Hello",
+ "TLSv1_2 write Client Hello",
+ "TLSv1_2 Client Hello"},
+ {"DTLSv1 read Client Hello",
+ "DTLSv1 write Client Hello",
+ "DTLSv1 Client Hello"},
+ {"DTLSv1_2 read Client Hello",
+ "DTLSv1_2 write Client Hello",
+ "DTLSv1_2 Client Hello"},
+ },
+ {
+ {"SSLv3 read Client Key Exchange",
+ "SSLv3 write Client Key Exchange",
+ "SSLv3 Client Key Exchange"},
+ {"TLSv1 read Client Key Exchange",
+ "TLSv1 write Client Key Exchange",
+ "TLSv1 Client Key Exchange"},
+ {"TLSv1_1 read Client Key Exchange",
+ "TLSv1_1 write Client Key Exchange",
+ "TLSv1_1 Client Key Exchange"},
+ {"TLSv1_2 read Client Key Exchange",
+ "TLSv1_2 write Client Key Exchange",
+ "TLSv1_2 Client Key Exchange"},
+ {"DTLSv1 read Client Key Exchange",
+ "DTLSv1 write Client Key Exchange",
+ "DTLSv1 Client Key Exchange"},
+ {"DTLSv1_2 read Client Key Exchange",
+ "DTLSv1_2 write Client Key Exchange",
+ "DTLSv1_2 Client Key Exchange"},
+ },
+ {
+ {"SSLv3 read Client Change CipherSpec",
+ "SSLv3 write Client Change CipherSpec",
+ "SSLv3 Client Change CipherSpec"},
+ {"TLSv1 read Client Change CipherSpec",
+ "TLSv1 write Client Change CipherSpec",
+ "TLSv1 Client Change CipherSpec"},
+ {"TLSv1_1 read Client Change CipherSpec",
+ "TLSv1_1 write Client Change CipherSpec",
+ "TLSv1_1 Client Change CipherSpec"},
+ {"TLSv1_2 read Client Change CipherSpec",
+ "TLSv1_2 write Client Change CipherSpec",
+ "TLSv1_2 Client Change CipherSpec"},
+ {"DTLSv1 read Client Change CipherSpec",
+ "DTLSv1 write Client Change CipherSpec",
+ "DTLSv1 Client Change CipherSpec"},
+ {"DTLSv1_2 read Client Change CipherSpec",
+ "DTLSv1_2 write Client Change CipherSpec",
+ "DTLSv1_2 Client Change CipherSpec"},
+ },
+ {
+ {"SSLv3 read Client Finished",
+ "SSLv3 write Client Finished",
+ "SSLv3 Client Finished"},
+ {"TLSv1 read Client Finished",
+ "TLSv1 write Client Finished",
+ "TLSv1 Client Finished"},
+ {"TLSv1_1 read Client Finished",
+ "TLSv1_1 write Client Finished",
+ "TLSv1_1 Client Finished"},
+ {"TLSv1_2 read Client Finished",
+ "TLSv1_2 write Client Finished",
+ "TLSv1_2 Client Finished"},
+ {"DTLSv1 read Client Finished",
+ "DTLSv1 write Client Finished",
+ "DTLSv1 Client Finished"},
+ {"DTLSv1_2 read Client Finished",
+ "DTLSv1_2 write Client Finished",
+ "DTLSv1_2 Client Finished"},
+ },
+ {
+ {"SSLv3 Handshake Done",
+ "SSLv3 Handshake Done",
+ "SSLv3 Handshake Done"},
+ {"TLSv1 Handshake Done",
+ "TLSv1 Handshake Done",
+ "TLSv1 Handshake Done"},
+ {"TLSv1_1 Handshake Done",
+ "TLSv1_1 Handshake Done",
+ "TLSv1_1 Handshake Done"},
+ {"TLSv1_2 Handshake Done",
+ "TLSv1_2 Handshake Done",
+ "TLSv1_2 Handshake Done"},
+ {"DTLSv1 Handshake Done",
+ "DTLSv1 Handshake Done",
+ "DTLSv1 Handshake Done"},
+ {"DTLSv1_2 Handshake Done"
+ "DTLSv1_2 Handshake Done"
+ "DTLSv1_2 Handshake Done"}
+ }
+ };
+ enum ProtocolVer {
+ SSL_V3 = 0,
+ TLS_V1,
+ TLS_V1_1,
+ TLS_V1_2,
+ DTLS_V1,
+ DTLS_V1_2,
+ UNKNOWN = 100
+ };
+
+ enum IOMode {
+ SS_READ = 0,
+ SS_WRITE,
+ SS_NEITHER
+ };
+
+ enum SslState {
+ ss_null_state = 0,
+ ss_server_helloverify,
+ ss_server_hello,
+ ss_sessionticket,
+ ss_server_cert,
+ ss_server_keyexchange,
+ ss_server_hellodone,
+ ss_server_changecipherspec,
+ ss_server_finished,
+ ss_client_hello,
+ ss_client_keyexchange,
+ ss_client_changecipherspec,
+ ss_client_finished,
+ ss_handshake_done
+ };
+
+ int protocol = 0;
+ int cbmode = 0;
+ int state = 0;
+
+ WOLFSSL_ENTER("wolfSSL_state_string_long");
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return NULL;
+ }
+
+ /* Get state of callback */
+ if (ssl->cbmode == SSL_CB_MODE_WRITE){
+ cbmode = SS_WRITE;
+ } else if (ssl->cbmode == SSL_CB_MODE_READ){
+ cbmode = SS_READ;
+ } else {
+ cbmode = SS_NEITHER;
+ }
+
+ /* Get protocol version */
+ switch (ssl->version.major){
+ case SSLv3_MAJOR:
+ switch (ssl->version.minor){
+ case TLSv1_MINOR:
+ protocol = TLS_V1;
+ break;
+ case TLSv1_1_MINOR:
+ protocol = TLS_V1_1;
+ break;
+ case TLSv1_2_MINOR:
+ protocol = TLS_V1_2;
+ break;
+ case SSLv3_MINOR:
+ protocol = SSL_V3;
+ break;
+ default:
+ protocol = UNKNOWN;
+ }
+ break;
+ case DTLS_MAJOR:
+ switch (ssl->version.minor){
+ case DTLS_MINOR:
+ protocol = DTLS_V1;
+ break;
+ case DTLSv1_2_MINOR:
+ protocol = DTLS_V1_2;
+ break;
+ default:
+ protocol = UNKNOWN;
+ }
+ break;
+ default:
+ protocol = UNKNOWN;
+ }
+
+ /* accept process */
+ if (ssl->cbmode == SSL_CB_MODE_READ){
+ state = ssl->cbtype;
+ switch (state) {
+ case hello_verify_request:
+ state = ss_server_helloverify;
+ break;
+ case session_ticket:
+ state = ss_sessionticket;
+ break;
+ case server_hello:
+ state = ss_server_hello;
+ break;
+ case server_hello_done:
+ state = ss_server_hellodone;
+ break;
+ case certificate:
+ state = ss_server_cert;
+ break;
+ case server_key_exchange:
+ state = ss_server_keyexchange;
+ break;
+ case client_hello:
+ state = ss_client_hello;
+ break;
+ case client_key_exchange:
+ state = ss_client_keyexchange;
+ break;
+ case finished:
+ if (ssl->options.side == WOLFSSL_SERVER_END)
+ state = ss_client_finished;
+ else if (ssl->options.side == WOLFSSL_CLIENT_END)
+ state = ss_server_finished;
+ break;
+ default:
+ WOLFSSL_MSG("Unknown State");
+ state = ss_null_state;
+ }
+ } else {
+ /* Send process */
+ if (ssl->options.side == WOLFSSL_SERVER_END)
+ state = ssl->options.serverState;
+ else
+ state = ssl->options.clientState;
+
+ switch(state){
+ case SERVER_HELLOVERIFYREQUEST_COMPLETE:
+ state = ss_server_helloverify;
+ break;
+ case SERVER_HELLO_COMPLETE:
+ state = ss_server_hello;
+ break;
+ case SERVER_CERT_COMPLETE:
+ state = ss_server_cert;
+ break;
+ case SERVER_KEYEXCHANGE_COMPLETE:
+ state = ss_server_keyexchange;
+ break;
+ case SERVER_HELLODONE_COMPLETE:
+ state = ss_server_hellodone;
+ break;
+ case SERVER_CHANGECIPHERSPEC_COMPLETE:
+ state = ss_server_changecipherspec;
+ break;
+ case SERVER_FINISHED_COMPLETE:
+ state = ss_server_finished;
+ break;
+ case CLIENT_HELLO_COMPLETE:
+ state = ss_client_hello;
+ break;
+ case CLIENT_KEYEXCHANGE_COMPLETE:
+ state = ss_client_keyexchange;
+ break;
+ case CLIENT_CHANGECIPHERSPEC_COMPLETE:
+ state = ss_client_changecipherspec;
+ break;
+ case CLIENT_FINISHED_COMPLETE:
+ state = ss_client_finished;
+ break;
+ case HANDSHAKE_DONE:
+ state = ss_handshake_done;
+ break;
+ default:
+ WOLFSSL_MSG("Unknown State");
+ state = ss_null_state;
+ }
+ }
+
+ if (protocol == UNKNOWN)
+ return NULL;
+ else
+ return OUTPUT_STR[state][protocol][cbmode];
+}
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_def_callback(char* name, int num, int w, void* key)
+{
+ (void)name;
+ (void)num;
+ (void)w;
+ (void)key;
+ WOLFSSL_STUB("PEM_def_callback");
+ return 0;
+}
+#endif
+
+static long wolf_set_options(long old_op, long op)
+{
+ /* if SSL_OP_ALL then turn all bug workarounds on */
+ if ((op & SSL_OP_ALL) == SSL_OP_ALL) {
+ WOLFSSL_MSG("\tSSL_OP_ALL");
+
+ op |= SSL_OP_MICROSOFT_SESS_ID_BUG;
+ op |= SSL_OP_NETSCAPE_CHALLENGE_BUG;
+ op |= SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG;
+ op |= SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG;
+ op |= SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER;
+ op |= SSL_OP_MSIE_SSLV2_RSA_PADDING;
+ op |= SSL_OP_SSLEAY_080_CLIENT_DH_BUG;
+ op |= SSL_OP_TLS_D5_BUG;
+ op |= SSL_OP_TLS_BLOCK_PADDING_BUG;
+ op |= SSL_OP_TLS_ROLLBACK_BUG;
+ op |= SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
+ }
+
+ /* by default cookie exchange is on with DTLS */
+ if ((op & SSL_OP_COOKIE_EXCHANGE) == SSL_OP_COOKIE_EXCHANGE) {
+ WOLFSSL_MSG("\tSSL_OP_COOKIE_EXCHANGE : on by default");
+ }
+
+ if ((op & WOLFSSL_OP_NO_SSLv2) == WOLFSSL_OP_NO_SSLv2) {
+ WOLFSSL_MSG("\tWOLFSSL_OP_NO_SSLv2 : wolfSSL does not support SSLv2");
+ }
+
+ if ((op & SSL_OP_NO_TLSv1_3) == SSL_OP_NO_TLSv1_3) {
+ WOLFSSL_MSG("\tSSL_OP_NO_TLSv1_3");
+ }
+
+ if ((op & SSL_OP_NO_TLSv1_2) == SSL_OP_NO_TLSv1_2) {
+ WOLFSSL_MSG("\tSSL_OP_NO_TLSv1_2");
+ }
+
+ if ((op & SSL_OP_NO_TLSv1_1) == SSL_OP_NO_TLSv1_1) {
+ WOLFSSL_MSG("\tSSL_OP_NO_TLSv1_1");
+ }
+
+ if ((op & SSL_OP_NO_TLSv1) == SSL_OP_NO_TLSv1) {
+ WOLFSSL_MSG("\tSSL_OP_NO_TLSv1");
+ }
+
+ if ((op & SSL_OP_NO_SSLv3) == SSL_OP_NO_SSLv3) {
+ WOLFSSL_MSG("\tSSL_OP_NO_SSLv3");
+ }
+
+ if ((op & SSL_OP_NO_COMPRESSION) == SSL_OP_NO_COMPRESSION) {
+ #ifdef HAVE_LIBZ
+ WOLFSSL_MSG("SSL_OP_NO_COMPRESSION");
+ #else
+ WOLFSSL_MSG("SSL_OP_NO_COMPRESSION: compression not compiled in");
+ #endif
+ }
+
+ return old_op | op;
+}
+
+long wolfSSL_set_options(WOLFSSL* ssl, long op)
+{
+ word16 haveRSA = 1;
+ word16 havePSK = 0;
+ int keySz = 0;
+
+ WOLFSSL_ENTER("wolfSSL_set_options");
+
+ if (ssl == NULL) {
+ return 0;
+ }
+
+ ssl->options.mask = wolf_set_options(ssl->options.mask, op);
+
+ if ((ssl->options.mask & SSL_OP_NO_TLSv1_3) == SSL_OP_NO_TLSv1_3) {
+ if (ssl->version.minor == TLSv1_3_MINOR)
+ ssl->version.minor = TLSv1_2_MINOR;
+ }
+
+ if ((ssl->options.mask & SSL_OP_NO_TLSv1_2) == SSL_OP_NO_TLSv1_2) {
+ if (ssl->version.minor == TLSv1_2_MINOR)
+ ssl->version.minor = TLSv1_1_MINOR;
+ }
+
+ if ((ssl->options.mask & SSL_OP_NO_TLSv1_1) == SSL_OP_NO_TLSv1_1) {
+ if (ssl->version.minor == TLSv1_1_MINOR)
+ ssl->version.minor = TLSv1_MINOR;
+ }
+
+ if ((ssl->options.mask & SSL_OP_NO_TLSv1) == SSL_OP_NO_TLSv1) {
+ if (ssl->version.minor == TLSv1_MINOR)
+ ssl->version.minor = SSLv3_MINOR;
+ }
+
+ if ((ssl->options.mask & SSL_OP_NO_COMPRESSION) == SSL_OP_NO_COMPRESSION) {
+ #ifdef HAVE_LIBZ
+ ssl->options.usingCompression = 0;
+ #endif
+ }
+
+ /* in the case of a version change the cipher suites should be reset */
+#ifndef NO_PSK
+ havePSK = ssl->options.havePSK;
+#endif
+#ifdef NO_RSA
+ haveRSA = 0;
+#endif
+#ifndef NO_CERTS
+ keySz = ssl->buffers.keySz;
+#endif
+
+ InitSuites(ssl->suites, ssl->version, keySz, haveRSA, havePSK,
+ ssl->options.haveDH, ssl->options.haveNTRU,
+ ssl->options.haveECDSAsig, ssl->options.haveECC,
+ ssl->options.haveStaticECC, ssl->options.side);
+
+ return ssl->options.mask;
+}
+
+
+long wolfSSL_get_options(const WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_options");
+ if(ssl == NULL)
+ return WOLFSSL_FAILURE;
+ return ssl->options.mask;
+}
+
+long wolfSSL_clear_options(WOLFSSL* ssl, long opt)
+{
+ WOLFSSL_ENTER("SSL_clear_options");
+ if(ssl == NULL)
+ return WOLFSSL_FAILURE;
+ ssl->options.mask &= ~opt;
+ return ssl->options.mask;
+}
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_clear_num_renegotiations(WOLFSSL *s)
+{
+ (void)s;
+ WOLFSSL_STUB("SSL_clear_num_renegotiations");
+ return 0;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_total_renegotiations(WOLFSSL *s)
+{
+ (void)s;
+ WOLFSSL_STUB("SSL_total_renegotiations");
+ return 0;
+}
+#endif
+
+#ifndef NO_DH
+long wolfSSL_set_tmp_dh(WOLFSSL *ssl, WOLFSSL_DH *dh)
+{
+ int pSz, gSz;
+ byte *p, *g;
+ int ret = 0;
+
+ WOLFSSL_ENTER("wolfSSL_set_tmp_dh");
+
+ if (!ssl || !dh)
+ return BAD_FUNC_ARG;
+
+ /* Get needed size for p and g */
+ pSz = wolfSSL_BN_bn2bin(dh->p, NULL);
+ gSz = wolfSSL_BN_bn2bin(dh->g, NULL);
+
+ if (pSz <= 0 || gSz <= 0)
+ return WOLFSSL_FATAL_ERROR;
+
+ p = (byte*)XMALLOC(pSz, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (!p)
+ return MEMORY_E;
+
+ g = (byte*)XMALLOC(gSz, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (!g) {
+ XFREE(p, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return MEMORY_E;
+ }
+
+ pSz = wolfSSL_BN_bn2bin(dh->p, p);
+ gSz = wolfSSL_BN_bn2bin(dh->g, g);
+
+ if (pSz >= 0 && gSz >= 0) /* Conversion successful */
+ ret = wolfSSL_SetTmpDH(ssl, p, pSz, g, gSz);
+
+ XFREE(p, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, ssl->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+
+ return pSz > 0 && gSz > 0 ? ret : WOLFSSL_FATAL_ERROR;
+}
+#endif /* !NO_DH */
+
+
+#ifdef HAVE_PK_CALLBACKS
+long wolfSSL_set_tlsext_debug_arg(WOLFSSL* ssl, void *arg)
+{
+ if (ssl == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ssl->loggingCtx = arg;
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_PK_CALLBACKS */
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_HAPROXY)
+const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *sess, unsigned int *sid_ctx_length)
+{
+ const byte *c = wolfSSL_SESSION_get_id((SSL_SESSION *)sess, sid_ctx_length);
+ return c;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API int wolfSSL_sk_SSL_COMP_zero(WOLFSSL_STACK* st)
+{
+ (void)st;
+ WOLFSSL_STUB("wolfSSL_sk_SSL_COMP_zero");
+ /* wolfSSL_set_options(ssl, SSL_OP_NO_COMPRESSION); */
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
+long wolfSSL_set_tlsext_status_type(WOLFSSL *s, int type)
+{
+ WOLFSSL_ENTER("wolfSSL_set_tlsext_status_type");
+
+ if (s == NULL){
+ return BAD_FUNC_ARG;
+ }
+
+ if (type == TLSEXT_STATUSTYPE_ocsp){
+ int r = 0;
+ r = TLSX_UseCertificateStatusRequest(&s->extensions, type, 0, s,
+ s->heap, s->devId);
+ return (long)r;
+ } else {
+ WOLFSSL_MSG(
+ "SSL_set_tlsext_status_type only supports TLSEXT_STATUSTYPE_ocsp type.");
+ return SSL_FAILURE;
+ }
+
+}
+#endif /* HAVE_CERTIFICATE_STATUS_REQUEST */
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_get_tlsext_status_exts(WOLFSSL *s, void *arg)
+{
+ (void)s;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_get_tlsext_status_exts");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_set_tlsext_status_exts(WOLFSSL *s, void *arg)
+{
+ (void)s;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_set_tlsext_status_exts");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_get_tlsext_status_ids(WOLFSSL *s, void *arg)
+{
+ (void)s;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_get_tlsext_status_ids");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API long wolfSSL_set_tlsext_status_ids(WOLFSSL *s, void *arg)
+{
+ (void)s;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_set_tlsext_status_ids");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/*** TBD ***/
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_API int SSL_SESSION_set1_id(WOLFSSL_SESSION *s, const unsigned char *sid, unsigned int sid_len)
+{
+ (void)s;
+ (void)sid;
+ (void)sid_len;
+ WOLFSSL_STUB("SSL_SESSION_set1_id");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API int SSL_SESSION_set1_id_context(WOLFSSL_SESSION *s, const unsigned char *sid_ctx, unsigned int sid_ctx_len)
+{
+ (void)s;
+ (void)sid_ctx;
+ (void)sid_ctx_len;
+ WOLFSSL_STUB("SSL_SESSION_set1_id_context");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API void *X509_get0_tbs_sigalg(const WOLFSSL_X509 *x)
+{
+ (void)x;
+ WOLFSSL_STUB("X509_get0_tbs_sigalg");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API void X509_ALGOR_get0(WOLFSSL_ASN1_OBJECT **paobj, int *pptype, const void **ppval, const void *algor)
+{
+ (void)paobj;
+ (void)pptype;
+ (void)ppval;
+ (void)algor;
+ WOLFSSL_STUB("X509_ALGOR_get0");
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API void *X509_get_X509_PUBKEY(void * x)
+{
+ (void)x;
+ WOLFSSL_STUB("X509_get_X509_PUBKEY");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API int X509_PUBKEY_get0_param(WOLFSSL_ASN1_OBJECT **ppkalg, const unsigned char **pk, int *ppklen, void **pa, WOLFSSL_EVP_PKEY *pub)
+{
+ (void)ppkalg;
+ (void)pk;
+ (void)ppklen;
+ (void)pa;
+ (void)pub;
+ WOLFSSL_STUB("X509_PUBKEY_get0_param");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API WOLFSSL_EVP_PKEY *wolfSSL_get_privatekey(const WOLFSSL *ssl)
+{
+ (void)ssl;
+ WOLFSSL_STUB("SSL_get_privatekey");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API int i2t_ASN1_OBJECT(char *buf, int buf_len, WOLFSSL_ASN1_OBJECT *a)
+{
+ (void)buf;
+ (void)buf_len;
+ (void)a;
+ WOLFSSL_STUB("i2t_ASN1_OBJECT");
+ return -1;
+}
+#endif
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_HAPROXY)
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API size_t SSL_get_finished(const WOLFSSL *s, void *buf, size_t count)
+{
+ (void)s;
+ (void)buf;
+ (void)count;
+ WOLFSSL_STUB("SSL_get_finished");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API size_t SSL_get_peer_finished(const WOLFSSL *s, void *buf, size_t count)
+{
+ (void)s;
+ (void)buf;
+ (void)count;
+ WOLFSSL_STUB("SSL_get_peer_finished");
+ return WOLFSSL_FAILURE;
+}
+#endif
+#endif /* WOLFSSL_HAPROXY */
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API void SSL_CTX_set_tmp_dh_callback(WOLFSSL_CTX *ctx, WOLFSSL_DH *(*dh) (WOLFSSL *ssl, int is_export, int keylength))
+{
+ (void)ctx;
+ (void)dh;
+ WOLFSSL_STUB("SSL_CTX_set_tmp_dh_callback");
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API WOLF_STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
+{
+ WOLFSSL_STUB("SSL_COMP_get_compression_methods");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API int wolfSSL_sk_SSL_CIPHER_num(const void * p)
+{
+ (void)p;
+ WOLFSSL_STUB("wolfSSL_sk_SSL_CIPHER_num");
+ return -1;
+}
+#endif
+
+#if !defined(NO_FILESYSTEM)
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API WOLFSSL_X509 *wolfSSL_PEM_read_X509(FILE *fp, WOLFSSL_X509 **x, pem_password_cb *cb, void *u)
+{
+ (void)fp;
+ (void)x;
+ (void)cb;
+ (void)u;
+ WOLFSSL_STUB("PEM_read_X509");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API WOLFSSL_EVP_PKEY *wolfSSL_PEM_read_PrivateKey(FILE *fp, WOLFSSL_EVP_PKEY **x, pem_password_cb *cb, void *u)
+{
+ (void)fp;
+ (void)x;
+ (void)cb;
+ (void)u;
+ WOLFSSL_STUB("PEM_read_PrivateKey");
+ return NULL;
+}
+#endif
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API int X509_STORE_load_locations(WOLFSSL_X509_STORE *ctx, const char *file, const char *dir)
+{
+ (void)ctx;
+ (void)file;
+ (void)dir;
+ WOLFSSL_STUB("X509_STORE_load_locations");
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/*** TBD ***/
+WOLFSSL_API WOLFSSL_CIPHER* wolfSSL_sk_SSL_CIPHER_value(void *ciphers, int idx)
+{
+ (void)ciphers;
+ (void)idx;
+ WOLFSSL_STUB("wolfSSL_sk_SSL_CIPHER_value");
+ return NULL;
+}
+#endif
+
+WOLFSSL_API void ERR_load_SSL_strings(void)
+{
+
+}
+
+#ifdef HAVE_OCSP
+WOLFSSL_API long wolfSSL_get_tlsext_status_ocsp_resp(WOLFSSL *s, unsigned char **resp)
+{
+ if (s == NULL || resp == NULL)
+ return 0;
+
+ *resp = s->ocspResp;
+ return s->ocspRespSz;
+}
+
+WOLFSSL_API long wolfSSL_set_tlsext_status_ocsp_resp(WOLFSSL *s, unsigned char *resp, int len)
+{
+ if (s == NULL)
+ return WOLFSSL_FAILURE;
+
+ s->ocspResp = resp;
+ s->ocspRespSz = len;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_OCSP */
+
+long wolfSSL_get_verify_result(const WOLFSSL *ssl)
+{
+ if (ssl == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return ssl->peerVerifyRet;
+}
+
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of accepts attempted by CTX in it's lifetime */
+long wolfSSL_CTX_sess_accept(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_accept");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of connects attempted CTX in it's lifetime */
+long wolfSSL_CTX_sess_connect(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_connect");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of accepts completed by CTX in it's lifetime */
+long wolfSSL_CTX_sess_accept_good(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_accept_good");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of connects completed by CTX in it's lifetime */
+long wolfSSL_CTX_sess_connect_good(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_connect_good");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of renegotiation accepts attempted by CTX */
+long wolfSSL_CTX_sess_accept_renegotiate(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_accept_renegotiate");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+/* shows the number of renegotiation accepts attempted by CTX */
+long wolfSSL_CTX_sess_connect_renegotiate(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_connect_renegotiate");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_sess_hits(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_hits");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_sess_cb_hits(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_cb_hits");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_sess_cache_full(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_cache_full");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_sess_misses(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_misses");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+long wolfSSL_CTX_sess_timeouts(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_STUB("wolfSSL_CTX_sess_timeouts");
+ (void)ctx;
+ return 0;
+}
+#endif
+
+
+/* Return the total number of sessions */
+long wolfSSL_CTX_sess_number(WOLFSSL_CTX* ctx)
+{
+ word32 total = 0;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_sess_number");
+ (void)ctx;
+
+#ifdef WOLFSSL_SESSION_STATS
+ if (wolfSSL_get_session_stats(NULL, &total, NULL, NULL) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Error getting session stats");
+ }
+#else
+ WOLFSSL_MSG("Please use macro WOLFSSL_SESSION_STATS for session stats");
+#endif
+
+ return (long)total;
+}
+
+
+#ifndef NO_CERTS
+long wolfSSL_CTX_add_extra_chain_cert(WOLFSSL_CTX* ctx, WOLFSSL_X509* x509)
+{
+ byte* chain = NULL;
+ long chainSz = 0;
+ int derSz;
+ const byte* der;
+ int ret;
+ int idx = 0;
+ DerBuffer *derBuffer = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_add_extra_chain_cert");
+
+ if (ctx == NULL || x509 == NULL) {
+ WOLFSSL_MSG("Bad Argument");
+ return WOLFSSL_FAILURE;
+ }
+
+ der = wolfSSL_X509_get_der(x509, &derSz);
+ if (der == NULL || derSz <= 0) {
+ WOLFSSL_MSG("Error getting X509 DER");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (ctx->certificate == NULL) {
+ /* Process buffer makes first certificate the leaf. */
+ ret = ProcessBuffer(ctx, der, derSz, WOLFSSL_FILETYPE_ASN1, CERT_TYPE,
+ NULL, NULL, 1);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_LEAVE("wolfSSL_CTX_add_extra_chain_cert", ret);
+ return WOLFSSL_FAILURE;
+ }
+ }
+ else {
+ /* TODO: Do this elsewhere. */
+ ret = AllocDer(&derBuffer, derSz, CERT_TYPE, ctx->heap);
+ if (ret != 0) {
+ WOLFSSL_MSG("Memory Error");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMCPY(derBuffer->buffer, der, derSz);
+ ret = AddCA(ctx->cm, &derBuffer, WOLFSSL_USER_CA, !ctx->verifyNone);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_LEAVE("wolfSSL_CTX_add_extra_chain_cert", ret);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* adding cert to existing chain */
+ if (ctx->certChain != NULL && ctx->certChain->length > 0) {
+ chainSz += ctx->certChain->length;
+ }
+ chainSz += OPAQUE24_LEN + derSz;
+
+ chain = (byte*)XMALLOC(chainSz, ctx->heap, DYNAMIC_TYPE_DER);
+ if (chain == NULL) {
+ WOLFSSL_MSG("Memory Error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (ctx->certChain != NULL && ctx->certChain->length > 0) {
+ XMEMCPY(chain, ctx->certChain->buffer, ctx->certChain->length);
+ idx = ctx->certChain->length;
+ }
+ c32to24(derSz, chain + idx);
+ idx += OPAQUE24_LEN,
+ XMEMCPY(chain + idx, der, derSz);
+ idx += derSz;
+#ifdef WOLFSSL_TLS13
+ ctx->certChainCnt++;
+#endif
+
+ FreeDer(&ctx->certChain);
+ ret = AllocDer(&ctx->certChain, idx, CERT_TYPE, ctx->heap);
+ if (ret == 0) {
+ XMEMCPY(ctx->certChain->buffer, chain, idx);
+ }
+ }
+
+ /* on success WOLFSSL_X509 memory is responsibility of ctx */
+ wolfSSL_X509_free(x509);
+ if (chain != NULL)
+ XFREE(chain, ctx->heap, DYNAMIC_TYPE_DER);
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+long wolfSSL_CTX_set_tlsext_status_arg(WOLFSSL_CTX* ctx, void* arg)
+{
+ if (ctx == NULL || ctx->cm == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ctx->cm->ocspIOCtx = arg;
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_CERTS */
+
+
+/* Get the session cache mode for CTX
+ *
+ * ctx WOLFSSL_CTX struct to get cache mode from
+ *
+ * Returns a bit mask that has the session cache mode */
+WOLFSSL_API long wolfSSL_CTX_get_session_cache_mode(WOLFSSL_CTX* ctx)
+{
+ long m = 0;
+
+ WOLFSSL_ENTER("SSL_CTX_set_session_cache_mode");
+
+ if (ctx == NULL) {
+ return m;
+ }
+
+ if (ctx->sessionCacheOff != 1) {
+ m |= SSL_SESS_CACHE_SERVER;
+ }
+
+ if (ctx->sessionCacheFlushOff == 1) {
+ m |= SSL_SESS_CACHE_NO_AUTO_CLEAR;
+ }
+
+#ifdef HAVE_EXT_CACHE
+ if (ctx->internalCacheOff == 1) {
+ m |= SSL_SESS_CACHE_NO_INTERNAL_STORE;
+ }
+#endif
+
+ return m;
+}
+
+
+int wolfSSL_CTX_get_read_ahead(WOLFSSL_CTX* ctx)
+{
+ if (ctx == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ return ctx->readAhead;
+}
+
+
+int wolfSSL_CTX_set_read_ahead(WOLFSSL_CTX* ctx, int v)
+{
+ if (ctx == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ctx->readAhead = (byte)v;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+long wolfSSL_CTX_set_tlsext_opaque_prf_input_callback_arg(WOLFSSL_CTX* ctx,
+ void* arg)
+{
+ if (ctx == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ctx->userPRFArg = arg;
+ return WOLFSSL_SUCCESS;
+}
+
+
+#ifndef NO_DES3
+/* 0 on success */
+int wolfSSL_DES_set_key(WOLFSSL_const_DES_cblock* myDes,
+ WOLFSSL_DES_key_schedule* key)
+{
+#ifdef WOLFSSL_CHECK_DESKEY
+ return wolfSSL_DES_set_key_checked(myDes, key);
+#else
+ wolfSSL_DES_set_key_unchecked(myDes, key);
+ return 0;
+#endif
+}
+
+
+
+/* return true in fail case (1) */
+static int DES_check(word32 mask, word32 mask2, unsigned char* key)
+{
+ word32 value[2];
+
+ /* sanity check on length made in wolfSSL_DES_set_key_checked */
+ value[0] = mask;
+ value[1] = mask2;
+ return (XMEMCMP(value, key, sizeof(value)) == 0)? 1: 0;
+}
+
+
+/* check that the key is odd parity and is not a weak key
+ * returns -1 if parity is wrong, -2 if weak/null key and 0 on success */
+int wolfSSL_DES_set_key_checked(WOLFSSL_const_DES_cblock* myDes,
+ WOLFSSL_DES_key_schedule* key)
+{
+ if (myDes == NULL || key == NULL) {
+ WOLFSSL_MSG("Bad argument passed to wolfSSL_DES_set_key_checked");
+ return -2;
+ }
+ else {
+ word32 i;
+ word32 sz = sizeof(WOLFSSL_DES_key_schedule);
+
+ /* sanity check before call to DES_check */
+ if (sz != (sizeof(word32) * 2)) {
+ WOLFSSL_MSG("Unexpected WOLFSSL_DES_key_schedule size");
+ return -2;
+ }
+
+ /* check odd parity */
+ for (i = 0; i < sz; i++) {
+ unsigned char c = *((unsigned char*)myDes + i);
+ if (((c & 0x01) ^
+ ((c >> 1) & 0x01) ^
+ ((c >> 2) & 0x01) ^
+ ((c >> 3) & 0x01) ^
+ ((c >> 4) & 0x01) ^
+ ((c >> 5) & 0x01) ^
+ ((c >> 6) & 0x01) ^
+ ((c >> 7) & 0x01)) != 1) {
+ WOLFSSL_MSG("Odd parity test fail");
+ return -1;
+ }
+ }
+
+ if (wolfSSL_DES_is_weak_key(myDes) == 1) {
+ WOLFSSL_MSG("Weak key found");
+ return -2;
+ }
+
+ /* passed tests, now copy over key */
+ XMEMCPY(key, myDes, sizeof(WOLFSSL_const_DES_cblock));
+
+ return 0;
+ }
+}
+
+
+/* check is not weak. Weak key list from Nist "Recommendation for the Triple
+ * Data Encryption Algorithm (TDEA) Block Cipher"
+ *
+ * returns 1 if is weak 0 if not
+ */
+int wolfSSL_DES_is_weak_key(WOLFSSL_const_DES_cblock* key)
+{
+ word32 mask, mask2;
+
+ WOLFSSL_ENTER("wolfSSL_DES_is_weak_key");
+
+ if (key == NULL) {
+ WOLFSSL_MSG("NULL key passed in");
+ return 1;
+ }
+
+ mask = 0x01010101; mask2 = 0x01010101;
+ if (DES_check(mask, mask2, *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0xFEFEFEFE; mask2 = 0xFEFEFEFE;
+ if (DES_check(mask, mask2, *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0xE0E0E0E0; mask2 = 0xF1F1F1F1;
+ if (DES_check(mask, mask2, *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0x1F1F1F1F; mask2 = 0x0E0E0E0E;
+ if (DES_check(mask, mask2, *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ /* semi-weak *key check (list from same Nist paper) */
+ mask = 0x011F011F; mask2 = 0x010E010E;
+ if (DES_check(mask, mask2, *key) ||
+ DES_check(ByteReverseWord32(mask), ByteReverseWord32(mask2), *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0x01E001E0; mask2 = 0x01F101F1;
+ if (DES_check(mask, mask2, *key) ||
+ DES_check(ByteReverseWord32(mask), ByteReverseWord32(mask2), *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0x01FE01FE; mask2 = 0x01FE01FE;
+ if (DES_check(mask, mask2, *key) ||
+ DES_check(ByteReverseWord32(mask), ByteReverseWord32(mask2), *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0x1FE01FE0; mask2 = 0x0EF10EF1;
+ if (DES_check(mask, mask2, *key) ||
+ DES_check(ByteReverseWord32(mask), ByteReverseWord32(mask2), *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ mask = 0x1FFE1FFE; mask2 = 0x0EFE0EFE;
+ if (DES_check(mask, mask2, *key) ||
+ DES_check(ByteReverseWord32(mask), ByteReverseWord32(mask2), *key)) {
+ WOLFSSL_MSG("Weak key found");
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void wolfSSL_DES_set_key_unchecked(WOLFSSL_const_DES_cblock* myDes,
+ WOLFSSL_DES_key_schedule* key)
+{
+ if (myDes != NULL && key != NULL) {
+ XMEMCPY(key, myDes, sizeof(WOLFSSL_const_DES_cblock));
+ }
+}
+
+
+/* Sets the parity of the DES key for use */
+void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock* myDes)
+{
+ word32 i;
+ word32 sz = sizeof(WOLFSSL_DES_cblock);
+
+ WOLFSSL_ENTER("wolfSSL_DES_set_odd_parity");
+
+ for (i = 0; i < sz; i++) {
+ unsigned char c = *((unsigned char*)myDes + i);
+ if ((
+ ((c >> 1) & 0x01) ^
+ ((c >> 2) & 0x01) ^
+ ((c >> 3) & 0x01) ^
+ ((c >> 4) & 0x01) ^
+ ((c >> 5) & 0x01) ^
+ ((c >> 6) & 0x01) ^
+ ((c >> 7) & 0x01)) != 1) {
+ WOLFSSL_MSG("Setting odd parity bit");
+ *((unsigned char*)myDes + i) = *((unsigned char*)myDes + i) | 0x01;
+ }
+ }
+}
+
+
+#ifdef WOLFSSL_DES_ECB
+/* Encrpyt or decrypt input message desa with key and get output in desb.
+ * if enc is DES_ENCRYPT,input message is encrypted or
+ * if enc is DES_DECRYPT,input message is decrypted.
+ * */
+void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock* desa,
+ WOLFSSL_DES_cblock* desb, WOLFSSL_DES_key_schedule* key, int enc)
+{
+ Des myDes;
+
+ WOLFSSL_ENTER("wolfSSL_DES_ecb_encrypt");
+
+ if (desa == NULL || key == NULL || desb == NULL ||
+ (enc != DES_ENCRYPT && enc != DES_DECRYPT)) {
+ WOLFSSL_MSG("Bad argument passed to wolfSSL_DES_ecb_encrypt");
+ } else {
+ if (wc_Des_SetKey(&myDes, (const byte*) key,
+ (const byte*) NULL, !enc) != 0) {
+ WOLFSSL_MSG("wc_Des_SetKey return error.");
+ return;
+ }
+ if (enc){
+ if (wc_Des_EcbEncrypt(&myDes, (byte*) desb, (const byte*) desa,
+ sizeof(WOLFSSL_DES_cblock)) != 0){
+ WOLFSSL_MSG("wc_Des_EcbEncrpyt return error.");
+ }
+ } else {
+ if (wc_Des_EcbDecrypt(&myDes, (byte*) desb, (const byte*) desa,
+ sizeof(WOLFSSL_DES_cblock)) != 0){
+ WOLFSSL_MSG("wc_Des_EcbDecrpyt return error.");
+ }
+ }
+ }
+}
+#endif
+
+#endif /* NO_DES3 */
+
+#ifndef NO_RC4
+/* Set the key state for Arc4 structure.
+ *
+ * key Arc4 structure to use
+ * len length of data buffer
+ * data initial state to set Arc4 structure
+ */
+void wolfSSL_RC4_set_key(WOLFSSL_RC4_KEY* key, int len,
+ const unsigned char* data)
+{
+ typedef char rc4_test[sizeof(WOLFSSL_RC4_KEY) >= sizeof(Arc4) ? 1 : -1];
+ (void)sizeof(rc4_test);
+
+ WOLFSSL_ENTER("wolfSSL_RC4_set_key");
+
+ if (key == NULL || len < 0) {
+ WOLFSSL_MSG("bad argument passed in");
+ return;
+ }
+
+ XMEMSET(key, 0, sizeof(WOLFSSL_RC4_KEY));
+ wc_Arc4SetKey((Arc4*)key, data, (word32)len);
+}
+
+
+/* Encrypt/decrypt with Arc4 structure.
+ *
+ * len length of buffer to encrypt/decrypt (in/out)
+ * in buffer to encrypt/decrypt
+ * out results of encryption/decryption
+ */
+void wolfSSL_RC4(WOLFSSL_RC4_KEY* key, size_t len,
+ const unsigned char* in, unsigned char* out)
+{
+ WOLFSSL_ENTER("wolfSSL_RC4");
+
+ if (key == NULL || in == NULL || out == NULL) {
+ WOLFSSL_MSG("Bad argument passed in");
+ return;
+ }
+
+ wc_Arc4Process((Arc4*)key, out, in, (word32)len);
+}
+#endif /* NO_RC4 */
+
+#ifndef NO_AES
+
+#ifdef WOLFSSL_AES_DIRECT
+/* AES encrypt direct, it is expected to be blocks of AES_BLOCK_SIZE for input.
+ *
+ * input Data to encrypt
+ * output Encrypted data after done
+ * key AES key to use for encryption
+ */
+void wolfSSL_AES_encrypt(const unsigned char* input, unsigned char* output,
+ AES_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_AES_encrypt");
+
+ if (input == NULL || output == NULL || key == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return;
+ }
+
+ wc_AesEncryptDirect((Aes*)key, output, input);
+}
+
+
+/* AES decrypt direct, it is expected to be blocks of AES_BLOCK_SIZE for input.
+ *
+ * input Data to decrypt
+ * output Decrypted data after done
+ * key AES key to use for encryption
+ */
+void wolfSSL_AES_decrypt(const unsigned char* input, unsigned char* output,
+ AES_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_AES_decrypt");
+
+ if (input == NULL || output == NULL || key == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return;
+ }
+
+ wc_AesDecryptDirect((Aes*)key, output, input);
+}
+#endif /* WOLFSSL_AES_DIRECT */
+
+/* Setup of an AES key to use for encryption.
+ *
+ * key key in bytes to use for encryption
+ * bits size of key in bits
+ * aes AES structure to initialize
+ */
+int wolfSSL_AES_set_encrypt_key(const unsigned char *key, const int bits,
+ AES_KEY *aes)
+{
+ typedef char aes_test[sizeof(AES_KEY) >= sizeof(Aes) ? 1 : -1];
+ (void)sizeof(aes_test);
+
+ WOLFSSL_ENTER("wolfSSL_AES_set_encrypt_key");
+
+ if (key == NULL || aes == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return -1;
+ }
+
+ XMEMSET(aes, 0, sizeof(AES_KEY));
+ if (wc_AesSetKey((Aes*)aes, key, ((bits)/8), NULL, AES_ENCRYPTION) != 0) {
+ WOLFSSL_MSG("Error in setting AES key");
+ return -1;
+ }
+ return 0;
+}
+
+
+/* Setup of an AES key to use for decryption.
+ *
+ * key key in bytes to use for decryption
+ * bits size of key in bits
+ * aes AES structure to initialize
+ */
+int wolfSSL_AES_set_decrypt_key(const unsigned char *key, const int bits,
+ AES_KEY *aes)
+{
+ typedef char aes_test[sizeof(AES_KEY) >= sizeof(Aes) ? 1 : -1];
+ (void)sizeof(aes_test);
+
+ WOLFSSL_ENTER("wolfSSL_AES_set_decrypt_key");
+
+ if (key == NULL || aes == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return -1;
+ }
+
+ XMEMSET(aes, 0, sizeof(AES_KEY));
+ if (wc_AesSetKey((Aes*)aes, key, ((bits)/8), NULL, AES_DECRYPTION) != 0) {
+ WOLFSSL_MSG("Error in setting AES key");
+ return -1;
+ }
+ return 0;
+}
+
+
+#ifdef HAVE_AES_ECB
+/* Encrypt/decrypt a 16 byte block of data using the key passed in.
+ *
+ * in buffer to encrypt/decyrpt
+ * out buffer to hold result of encryption/decryption
+ * key AES structure to use with encryption/decryption
+ * enc AES_ENCRPT for encryption and AES_DECRYPT for decryption
+ */
+void wolfSSL_AES_ecb_encrypt(const unsigned char *in, unsigned char* out,
+ AES_KEY *key, const int enc)
+{
+ Aes* aes;
+
+ WOLFSSL_ENTER("wolfSSL_AES_ecb_encrypt");
+
+ if (key == NULL || in == NULL || out == NULL) {
+ WOLFSSL_MSG("Error, Null argument passed in");
+ return;
+ }
+
+ aes = (Aes*)key;
+ if (enc == AES_ENCRYPT) {
+ if (wc_AesEcbEncrypt(aes, out, in, AES_BLOCK_SIZE) != 0) {
+ WOLFSSL_MSG("Error with AES CBC encrypt");
+ }
+ }
+ else {
+ #ifdef HAVE_AES_DECRYPT
+ if (wc_AesEcbDecrypt(aes, out, in, AES_BLOCK_SIZE) != 0) {
+ WOLFSSL_MSG("Error with AES CBC decrypt");
+ }
+ #else
+ WOLFSSL_MSG("AES decryption not compiled in");
+ #endif
+ }
+}
+#endif /* HAVE_AES_ECB */
+
+
+/* Encrypt data using key and iv passed in. iv gets updated to most recent iv
+ * state after encryptiond/decryption.
+ *
+ * in buffer to encrypt/decyrpt
+ * out buffer to hold result of encryption/decryption
+ * len length of input buffer
+ * key AES structure to use with encryption/decryption
+ * iv iv to use with operation
+ * enc AES_ENCRPT for encryption and AES_DECRYPT for decryption
+ */
+void wolfSSL_AES_cbc_encrypt(const unsigned char *in, unsigned char* out,
+ size_t len, AES_KEY *key, unsigned char* iv, const int enc)
+{
+ Aes* aes;
+
+ WOLFSSL_ENTER("wolfSSL_AES_cbc_encrypt");
+
+ if (key == NULL || in == NULL || out == NULL || iv == NULL) {
+ WOLFSSL_MSG("Error, Null argument passed in");
+ return;
+ }
+
+ aes = (Aes*)key;
+ if (wc_AesSetIV(aes, (const byte*)iv) != 0) {
+ WOLFSSL_MSG("Error with setting iv");
+ return;
+ }
+
+ if (enc == AES_ENCRYPT) {
+ if (wc_AesCbcEncrypt(aes, out, in, (word32)len) != 0) {
+ WOLFSSL_MSG("Error with AES CBC encrypt");
+ }
+ }
+ else {
+ if (wc_AesCbcDecrypt(aes, out, in, (word32)len) != 0) {
+ WOLFSSL_MSG("Error with AES CBC decrypt");
+ }
+ }
+
+ /* to be compatible copy iv to iv buffer after completing operation */
+ XMEMCPY(iv, (byte*)(aes->reg), AES_BLOCK_SIZE);
+}
+
+
+/* Encrypt data using CFB mode with key and iv passed in. iv gets updated to
+ * most recent iv state after encryptiond/decryption.
+ *
+ * in buffer to encrypt/decyrpt
+ * out buffer to hold result of encryption/decryption
+ * len length of input buffer
+ * key AES structure to use with encryption/decryption
+ * iv iv to use with operation
+ * num contains the amount of block used
+ * enc AES_ENCRPT for encryption and AES_DECRYPT for decryption
+ */
+void wolfSSL_AES_cfb128_encrypt(const unsigned char *in, unsigned char* out,
+ size_t len, AES_KEY *key, unsigned char* iv, int* num,
+ const int enc)
+{
+#ifndef WOLFSSL_AES_CFB
+ WOLFSSL_MSG("CFB mode not enabled please use macro WOLFSSL_AES_CFB");
+ (void)in;
+ (void)out;
+ (void)len;
+ (void)key;
+ (void)iv;
+ (void)num;
+ (void)enc;
+
+ return;
+#else
+ Aes* aes;
+
+ WOLFSSL_ENTER("wolfSSL_AES_cbc_encrypt");
+ if (key == NULL || in == NULL || out == NULL || iv == NULL) {
+ WOLFSSL_MSG("Error, Null argument passed in");
+ return;
+ }
+
+ aes = (Aes*)key;
+ if (wc_AesSetIV(aes, (const byte*)iv) != 0) {
+ WOLFSSL_MSG("Error with setting iv");
+ return;
+ }
+
+ if (enc == AES_ENCRYPT) {
+ if (wc_AesCfbEncrypt(aes, out, in, (word32)len) != 0) {
+ WOLFSSL_MSG("Error with AES CBC encrypt");
+ }
+ }
+ else {
+ if (wc_AesCfbDecrypt(aes, out, in, (word32)len) != 0) {
+ WOLFSSL_MSG("Error with AES CBC decrypt");
+ }
+ }
+
+ /* to be compatible copy iv to iv buffer after completing operation */
+ XMEMCPY(iv, (byte*)(aes->reg), AES_BLOCK_SIZE);
+
+ /* store number of left over bytes to num */
+ *num = (aes->left)? AES_BLOCK_SIZE - aes->left : 0;
+#endif /* WOLFSSL_AES_CFB */
+}
+#endif /* NO_AES */
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_BIO_printf(WOLFSSL_BIO* bio, const char* format, ...)
+{
+ (void)bio;
+ (void)format;
+ WOLFSSL_STUB("BIO_printf");
+ return 0;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_ASN1_UTCTIME_print(WOLFSSL_BIO* bio, const WOLFSSL_ASN1_UTCTIME* a)
+{
+ (void)bio;
+ (void)a;
+ WOLFSSL_STUB("ASN1_UTCTIME_print");
+ return 0;
+}
+#endif
+
+/* Return the month as a string.
+ *
+ * n The number of the month as a two characters (1 based).
+ * returns the month as a string.
+ */
+static WC_INLINE const char* MonthStr(const char* n)
+{
+ static const char monthStr[12][4] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+ return monthStr[(n[0] - '0') * 10 + (n[1] - '0') - 1];
+}
+
+int wolfSSL_ASN1_GENERALIZEDTIME_print(WOLFSSL_BIO* bio,
+ const WOLFSSL_ASN1_GENERALIZEDTIME* asnTime)
+{
+ const char* p = (const char *)(asnTime->data + 2);
+ WOLFSSL_ENTER("wolfSSL_ASN1_GENERALIZEDTIME_print");
+
+ if (bio == NULL || asnTime == NULL)
+ return BAD_FUNC_ARG;
+
+ /* GetTimeString not always available. */
+ wolfSSL_BIO_write(bio, MonthStr(p + 4), 3);
+ wolfSSL_BIO_write(bio, " ", 1);
+ /* Day */
+ wolfSSL_BIO_write(bio, p + 6, 2);
+ wolfSSL_BIO_write(bio, " ", 1);
+ /* Hour */
+ wolfSSL_BIO_write(bio, p + 8, 2);
+ wolfSSL_BIO_write(bio, ":", 1);
+ /* Min */
+ wolfSSL_BIO_write(bio, p + 10, 2);
+ wolfSSL_BIO_write(bio, ":", 1);
+ /* Secs */
+ wolfSSL_BIO_write(bio, p + 12, 2);
+ wolfSSL_BIO_write(bio, " ", 1);
+ wolfSSL_BIO_write(bio, p, 4);
+
+ return 0;
+}
+
+void wolfSSL_ASN1_GENERALIZEDTIME_free(WOLFSSL_ASN1_TIME* asn1Time)
+{
+ WOLFSSL_ENTER("wolfSSL_ASN1_GENERALIZEDTIME_free");
+ if (asn1Time == NULL)
+ return;
+ XMEMSET(asn1Time->data, 0, sizeof(asn1Time->data));
+}
+
+int wolfSSL_sk_num(WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)* sk)
+{
+ if (sk == NULL)
+ return 0;
+ return (int)sk->num;
+}
+
+void* wolfSSL_sk_value(WOLF_STACK_OF(WOLFSSL_ASN1_OBJECT)* sk, int i)
+{
+ for (; sk != NULL && i > 0; i--)
+ sk = sk->next;
+ if (sk == NULL)
+ return NULL;
+ return (void*)sk->data.obj;
+}
+
+#endif /* OPENSSL_EXTRA */
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_EXT_CACHE)
+/* stunnel 4.28 needs */
+void wolfSSL_CTX_sess_set_get_cb(WOLFSSL_CTX* ctx,
+ WOLFSSL_SESSION*(*f)(WOLFSSL*, unsigned char*, int, int*))
+{
+#ifdef HAVE_EXT_CACHE
+ ctx->get_sess_cb = f;
+#else
+ (void)ctx;
+ (void)f;
+#endif
+}
+
+void wolfSSL_CTX_sess_set_new_cb(WOLFSSL_CTX* ctx,
+ int (*f)(WOLFSSL*, WOLFSSL_SESSION*))
+{
+#ifdef HAVE_EXT_CACHE
+ ctx->new_sess_cb = f;
+#else
+ (void)ctx;
+ (void)f;
+#endif
+}
+
+void wolfSSL_CTX_sess_set_remove_cb(WOLFSSL_CTX* ctx, void (*f)(WOLFSSL_CTX*,
+ WOLFSSL_SESSION*))
+{
+#ifdef HAVE_EXT_CACHE
+ ctx->rem_sess_cb = f;
+#else
+ (void)ctx;
+ (void)f;
+#endif
+}
+#endif /* OPENSSL_EXTRA || HAVE_EXT_CACHE */
+
+#ifdef OPENSSL_EXTRA
+
+/*
+ *
+ * Note: It is expected that the importing and exporting function have been
+ * built with the same settings. For example if session tickets was
+ * enabled with the wolfSSL library exporting a session then it is
+ * expected to be turned on with the wolfSSL library importing the session.
+ */
+int wolfSSL_i2d_SSL_SESSION(WOLFSSL_SESSION* sess, unsigned char** p)
+{
+ int size = 0;
+#ifdef HAVE_EXT_CACHE
+ int idx = 0;
+#ifdef SESSION_CERTS
+ int i;
+#endif
+ unsigned char *data;
+
+ if (sess == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ /* bornOn | timeout | sessionID len | sessionID | masterSecret | haveEMS */
+ size += OPAQUE32_LEN + OPAQUE32_LEN + OPAQUE8_LEN + sess->sessionIDSz +
+ SECRET_LEN + OPAQUE8_LEN;
+#ifdef SESSION_CERTS
+ /* Peer chain */
+ size += OPAQUE8_LEN;
+ for (i = 0; i < sess->chain.count; i++)
+ size += OPAQUE16_LEN + sess->chain.certs[i].length;
+ /* Protocol version + cipher suite */
+ size += OPAQUE16_LEN + OPAQUE16_LEN;
+#endif
+#ifndef NO_CLIENT_CACHE
+ /* ServerID len | ServerID */
+ size += OPAQUE16_LEN + sess->idLen;
+#endif
+#ifdef HAVE_SESSION_TICKET
+ /* ticket len | ticket */
+ size += OPAQUE16_LEN + sess->ticketLen;
+#endif
+#ifdef OPENSSL_EXTRA
+ /* session context ID len | session context ID */
+ size += OPAQUE8_LEN + sess->sessionCtxSz;
+#endif
+
+ if (p != NULL) {
+ if (*p == NULL)
+ *p = (unsigned char*)XMALLOC(size, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (*p == NULL)
+ return 0;
+ data = *p;
+
+ c32toa(sess->bornOn, data + idx); idx += OPAQUE32_LEN;
+ c32toa(sess->timeout, data + idx); idx += OPAQUE32_LEN;
+ data[idx++] = sess->sessionIDSz;
+ XMEMCPY(data + idx, sess->sessionID, sess->sessionIDSz);
+ idx += sess->sessionIDSz;
+ XMEMCPY(data + idx, sess->masterSecret, SECRET_LEN); idx += SECRET_LEN;
+ data[idx++] = (byte)sess->haveEMS;
+#ifdef SESSION_CERTS
+ data[idx++] = (byte)sess->chain.count;
+ for (i = 0; i < sess->chain.count; i++) {
+ c16toa((word16)sess->chain.certs[i].length, data + idx);
+ idx += OPAQUE16_LEN;
+ XMEMCPY(data + idx, sess->chain.certs[i].buffer,
+ sess->chain.certs[i].length);
+ idx += sess->chain.certs[i].length;
+ }
+ data[idx++] = sess->version.major;
+ data[idx++] = sess->version.minor;
+ data[idx++] = sess->cipherSuite0;
+ data[idx++] = sess->cipherSuite;
+#endif
+#ifndef NO_CLIENT_CACHE
+ c16toa(sess->idLen, data + idx); idx += OPAQUE16_LEN;
+ XMEMCPY(data + idx, sess->serverID, sess->idLen);
+ idx += sess->idLen;
+#endif
+#ifdef HAVE_SESSION_TICKET
+ c16toa(sess->ticketLen, data + idx); idx += OPAQUE16_LEN;
+ XMEMCPY(data + idx, sess->ticket, sess->ticketLen);
+ idx += sess->ticketLen;
+#endif
+#ifdef OPENSSL_EXTRA
+ data[idx++] = sess->sessionCtxSz;
+ XMEMCPY(data + idx, sess->sessionCtx, sess->sessionCtxSz);
+ idx += sess->sessionCtxSz;
+#endif
+ }
+#endif
+
+ (void)sess;
+ (void)p;
+#ifdef HAVE_EXT_CACHE
+ (void)idx;
+#endif
+
+ return size;
+}
+
+
+/* TODO: no function to free new session.
+ *
+ * Note: It is expected that the importing and exporting function have been
+ * built with the same settings. For example if session tickets was
+ * enabled with the wolfSSL library exporting a session then it is
+ * expected to be turned on with the wolfSSL library importing the session.
+ */
+WOLFSSL_SESSION* wolfSSL_d2i_SSL_SESSION(WOLFSSL_SESSION** sess,
+ const unsigned char** p, long i)
+{
+ WOLFSSL_SESSION* s = NULL;
+ int ret = 0;
+#if defined(HAVE_EXT_CACHE)
+ int idx;
+ byte* data;
+#ifdef SESSION_CERTS
+ int j;
+ word16 length;
+#endif
+#endif
+
+ (void)p;
+ (void)i;
+ (void)ret;
+
+ if (sess != NULL)
+ s = *sess;
+
+#ifdef HAVE_EXT_CACHE
+ if (p == NULL || *p == NULL)
+ return NULL;
+
+ if (s == NULL) {
+ s = (WOLFSSL_SESSION*)XMALLOC(sizeof(WOLFSSL_SESSION), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (s == NULL)
+ return NULL;
+ XMEMSET(s, 0, sizeof(WOLFSSL_SESSION));
+ s->isAlloced = 1;
+#ifdef HAVE_SESSION_TICKET
+ s->isDynamic = 0;
+#endif
+ }
+
+ idx = 0;
+ data = (byte*)*p;
+
+ /* bornOn | timeout | sessionID len */
+ if (i < OPAQUE32_LEN + OPAQUE32_LEN + OPAQUE8_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ ato32(data + idx, &s->bornOn); idx += OPAQUE32_LEN;
+ ato32(data + idx, &s->timeout); idx += OPAQUE32_LEN;
+ s->sessionIDSz = data[idx++];
+
+ /* sessionID | secret | haveEMS */
+ if (i - idx < s->sessionIDSz + SECRET_LEN + OPAQUE8_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ XMEMCPY(s->sessionID, data + idx, s->sessionIDSz);
+ idx += s->sessionIDSz;
+ XMEMCPY(s->masterSecret, data + idx, SECRET_LEN); idx += SECRET_LEN;
+ s->haveEMS = data[idx++];
+
+#ifdef SESSION_CERTS
+ /* Certificate chain */
+ if (i - idx == 0) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ s->chain.count = data[idx++];
+ for (j = 0; j < s->chain.count; j++) {
+ if (i - idx < OPAQUE16_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ ato16(data + idx, &length); idx += OPAQUE16_LEN;
+ s->chain.certs[j].length = length;
+ if (i - idx < length) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ XMEMCPY(s->chain.certs[j].buffer, data + idx, length);
+ idx += length;
+ }
+
+ /* Protocol Version | Cipher suite */
+ if (i - idx < OPAQUE16_LEN + OPAQUE16_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ s->version.major = data[idx++];
+ s->version.minor = data[idx++];
+ s->cipherSuite0 = data[idx++];
+ s->cipherSuite = data[idx++];
+#endif
+#ifndef NO_CLIENT_CACHE
+ /* ServerID len */
+ if (i - idx < OPAQUE16_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ ato16(data + idx, &s->idLen); idx += OPAQUE16_LEN;
+
+ /* ServerID */
+ if (i - idx < s->idLen) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ XMEMCPY(s->serverID, data + idx, s->idLen); idx += s->idLen;
+#endif
+#ifdef HAVE_SESSION_TICKET
+ /* ticket len */
+ if (i - idx < OPAQUE16_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ ato16(data + idx, &s->ticketLen); idx += OPAQUE16_LEN;
+
+ /* Dispose of ol dynamic ticket and ensure space for new ticket. */
+ if (s->isDynamic)
+ XFREE(s->ticket, NULL, DYNAMIC_TYPE_SESSION_TICK);
+ if (s->ticketLen <= SESSION_TICKET_LEN)
+ s->ticket = s->staticTicket;
+ else {
+ s->ticket = (byte*)XMALLOC(s->ticketLen, NULL,
+ DYNAMIC_TYPE_SESSION_TICK);
+ if (s->ticket == NULL) {
+ ret = MEMORY_ERROR;
+ goto end;
+ }
+ s->isDynamic = 1;
+ }
+
+ /* ticket */
+ if (i - idx < s->ticketLen) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ XMEMCPY(s->ticket, data + idx, s->ticketLen); idx += s->ticketLen;
+#endif
+#ifdef OPENSSL_EXTRA
+ /* byte for length of session context ID */
+ if (i - idx < OPAQUE8_LEN) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ s->sessionCtxSz = data[idx++];
+
+ /* app session context ID */
+ if (i - idx < s->sessionCtxSz) {
+ ret = BUFFER_ERROR;
+ goto end;
+ }
+ XMEMCPY(s->sessionCtx, data + idx, s->sessionCtxSz); idx += s->sessionCtxSz;
+#endif
+ (void)idx;
+
+ if (sess != NULL)
+ *sess = s;
+
+ *p += idx;
+
+end:
+ if (ret != 0 && (sess == NULL || *sess != s))
+ wolfSSL_SESSION_free(s);
+#endif
+ return s;
+}
+
+
+long wolfSSL_SESSION_get_timeout(const WOLFSSL_SESSION* sess)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_timeout");
+ return sess->timeout;
+}
+
+
+long wolfSSL_SESSION_get_time(const WOLFSSL_SESSION* sess)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_time");
+ return sess->bornOn;
+}
+
+
+#endif /* OPENSSL_EXTRA */
+
+
+#ifdef KEEP_PEER_CERT
+char* wolfSSL_X509_get_subjectCN(WOLFSSL_X509* x509)
+{
+ if (x509 == NULL)
+ return NULL;
+
+ return x509->subjectCN;
+}
+#endif /* KEEP_PEER_CERT */
+
+#ifdef OPENSSL_EXTRA
+
+#if defined(FORTRESS) && !defined(NO_FILESYSTEM)
+int wolfSSL_cmp_peer_cert_to_file(WOLFSSL* ssl, const char *fname)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+
+ WOLFSSL_ENTER("wolfSSL_cmp_peer_cert_to_file");
+ if (ssl != NULL && fname != NULL)
+ {
+ #ifdef WOLFSSL_SMALL_STACK
+ byte staticBuffer[1]; /* force heap usage */
+ #else
+ byte staticBuffer[FILE_BUFFER_SIZE];
+ #endif
+ byte* myBuffer = staticBuffer;
+ int dynamic = 0;
+ XFILE file = XBADFILE;
+ size_t sz = 0;
+ WOLFSSL_CTX* ctx = ssl->ctx;
+ WOLFSSL_X509* peer_cert = &ssl->peerCert;
+ DerBuffer* fileDer = NULL;
+
+ file = XFOPEN(fname, "rb");
+ if (file == XBADFILE)
+ return WOLFSSL_BAD_FILE;
+
+ XFSEEK(file, 0, XSEEK_END);
+ sz = XFTELL(file);
+ XREWIND(file);
+
+ if (sz > (long)sizeof(staticBuffer)) {
+ WOLFSSL_MSG("Getting dynamic buffer");
+ myBuffer = (byte*)XMALLOC(sz, ctx->heap, DYNAMIC_TYPE_FILE);
+ dynamic = 1;
+ }
+
+
+ if ((myBuffer != NULL) &&
+ (sz > 0) &&
+ (XFREAD(myBuffer, 1, sz, file) == sz) &&
+ (PemToDer(myBuffer, (long)sz, CERT_TYPE,
+ &fileDer, ctx->heap, NULL, NULL) == 0) &&
+ (fileDer->length != 0) &&
+ (fileDer->length == peer_cert->derCert->length) &&
+ (XMEMCMP(peer_cert->derCert->buffer, fileDer->buffer,
+ fileDer->length) == 0))
+ {
+ ret = 0;
+ }
+
+ FreeDer(&fileDer);
+
+ if (dynamic)
+ XFREE(myBuffer, ctx->heap, DYNAMIC_TYPE_FILE);
+
+ XFCLOSE(file);
+ }
+
+ return ret;
+}
+#endif
+#endif /* OPENSSL_EXTRA */
+
+#if defined(OPENSSL_EXTRA) || \
+ (defined(OPENSSL_EXTRA_X509_SMALL) && !defined(NO_RSA))
+static WC_RNG globalRNG;
+static int initGlobalRNG = 0;
+#endif
+
+#ifdef OPENSSL_EXTRA
+
+/* Not thread safe! Can be called multiple times.
+ * Checks if the global RNG has been created. If not then one is created.
+ *
+ * Returns SSL_SUCCESS when no error is encountered.
+ */
+static int wolfSSL_RAND_Init(void)
+{
+ if (initGlobalRNG == 0) {
+ if (wc_InitRng(&globalRNG) < 0) {
+ WOLFSSL_MSG("wolfSSL Init Global RNG failed");
+ return 0;
+ }
+ initGlobalRNG = 1;
+ }
+
+ return SSL_SUCCESS;
+}
+
+
+/* SSL_SUCCESS on ok */
+int wolfSSL_RAND_seed(const void* seed, int len)
+{
+
+ WOLFSSL_MSG("wolfSSL_RAND_seed");
+
+ (void)seed;
+ (void)len;
+
+ return wolfSSL_RAND_Init();
+}
+
+
+/* Returns the path for reading seed data from.
+ * Uses the env variable $RANDFILE first if set, if not then used $HOME/.rnd
+ *
+ * Note uses stdlib by default unless XGETENV macro is overwritten
+ *
+ * fname buffer to hold path
+ * len length of fname buffer
+ *
+ * Returns a pointer to fname on success and NULL on failure
+ */
+const char* wolfSSL_RAND_file_name(char* fname, unsigned long len)
+{
+#ifndef NO_FILESYSTEM
+ char* rt;
+ char ap[] = "/.rnd";
+
+ WOLFSSL_ENTER("wolfSSL_RAND_file_name");
+
+ if (fname == NULL) {
+ return NULL;
+ }
+
+ XMEMSET(fname, 0, len);
+ /* if access to stdlib.h */
+ if ((rt = XGETENV("RANDFILE")) != NULL) {
+ if (len > XSTRLEN(rt)) {
+ XMEMCPY(fname, rt, XSTRLEN(rt));
+ }
+ else {
+ WOLFSSL_MSG("RANDFILE too large for buffer");
+ rt = NULL;
+ }
+ }
+
+ /* $RANDFILE was not set or is too large, check $HOME */
+ if (rt == NULL) {
+ WOLFSSL_MSG("Environment variable RANDFILE not set");
+ if ((rt = XGETENV("HOME")) == NULL) {
+ WOLFSSL_MSG("Environment variable HOME not set");
+ return NULL;
+ }
+
+ if (len > XSTRLEN(rt) + XSTRLEN(ap)) {
+ fname[0] = '\0';
+ XSTRNCAT(fname, rt, len);
+ XSTRNCAT(fname, ap, len - XSTRLEN(rt));
+ return fname;
+ }
+ else {
+ WOLFSSL_MSG("HOME too large for buffer");
+ return NULL;
+ }
+ }
+
+ return fname;
+#else
+ /* no filesystem defined */
+ WOLFSSL_ENTER("wolfSSL_RAND_file_name");
+ WOLFSSL_MSG("No filesystem feature enabled, not compiled in");
+ (void)fname;
+ (void)len;
+ return NULL;
+#endif
+}
+
+
+/* Writes 1024 bytes from the RNG to the given file name.
+ *
+ * fname name of file to write to
+ *
+ * Returns the number of bytes writen
+ */
+int wolfSSL_RAND_write_file(const char* fname)
+{
+ int bytes = 0;
+
+ WOLFSSL_ENTER("RAND_write_file");
+
+ if (fname == NULL) {
+ return SSL_FAILURE;
+ }
+
+#ifndef NO_FILESYSTEM
+ {
+ #ifndef WOLFSSL_SMALL_STACK
+ unsigned char buf[1024];
+ #else
+ unsigned char* buf = (unsigned char *)XMALLOC(1024, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (buf == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return SSL_FAILURE;
+ }
+ #endif
+ bytes = 1024; /* default size of buf */
+
+ if (initGlobalRNG == 0 && wolfSSL_RAND_Init() != SSL_SUCCESS) {
+ WOLFSSL_MSG("No RNG to use");
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ #endif
+ return 0;
+ }
+
+ if (wc_RNG_GenerateBlock(&globalRNG, buf, bytes) != 0) {
+ WOLFSSL_MSG("Error generating random buffer");
+ bytes = 0;
+ }
+ else {
+ XFILE f;
+
+ f = XFOPEN(fname, "wb");
+ if (f == NULL) {
+ WOLFSSL_MSG("Error opening the file");
+ bytes = 0;
+ }
+ else {
+ XFWRITE(buf, 1, bytes, f);
+ XFCLOSE(f);
+ }
+ }
+ ForceZero(buf, bytes);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ #endif
+ }
+#endif
+
+ return bytes;
+}
+
+#ifndef FREERTOS_TCP
+
+/* These constant values are protocol values made by egd */
+#if defined(USE_WOLFSSL_IO) && !defined(USE_WINDOWS_API)
+ #define WOLFSSL_EGD_NBLOCK 0x01
+ #include <sys/un.h>
+#endif
+
+/* at compile time check for HASH DRBG and throw warning if not found */
+#ifndef HAVE_HASHDRBG
+ #warning HAVE_HASHDRBG is needed for wolfSSL_RAND_egd to seed
+#endif
+
+/* This collects entropy from the path nm and seeds the global PRNG with it.
+ * Makes a call to wolfSSL_RAND_Init which is not thread safe.
+ *
+ * nm is the file path to the egd server
+ *
+ * Returns the number of bytes read.
+ */
+int wolfSSL_RAND_egd(const char* nm)
+{
+#if defined(USE_WOLFSSL_IO) && !defined(USE_WINDOWS_API) && !defined(HAVE_FIPS)
+ struct sockaddr_un rem;
+ int fd;
+ int ret = WOLFSSL_SUCCESS;
+ word32 bytes = 0;
+ word32 idx = 0;
+#ifndef WOLFSSL_SMALL_STACK
+ unsigned char buf[256];
+#else
+ unsigned char* buf;
+ buf = (unsigned char*)XMALLOC(256, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (buf == NULL) {
+ WOLFSSL_MSG("Not enough memory");
+ return WOLFSSL_FATAL_ERROR;
+ }
+#endif
+
+ if (nm == NULL) {
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ #endif
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (fd < 0) {
+ WOLFSSL_MSG("Error creating socket");
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ #endif
+ return WOLFSSL_FATAL_ERROR;
+ }
+ if (ret == WOLFSSL_SUCCESS) {
+ rem.sun_family = AF_UNIX;
+ XSTRNCPY(rem.sun_path, nm, sizeof(rem.sun_path));
+ rem.sun_path[sizeof(rem.sun_path)-1] = '\0';
+ }
+
+ /* connect to egd server */
+ if (ret == WOLFSSL_SUCCESS) {
+ if (connect(fd, (struct sockaddr*)&rem, sizeof(struct sockaddr_un))
+ == -1) {
+ WOLFSSL_MSG("error connecting to egd server");
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ while (ret == WOLFSSL_SUCCESS && bytes < 255 && idx + 2 < 256) {
+ if (ret == WOLFSSL_SUCCESS) {
+ buf[idx] = WOLFSSL_EGD_NBLOCK;
+ buf[idx + 1] = 255 - bytes; /* request 255 bytes from server */
+ ret = (int)write(fd, buf + idx, 2);
+ if (ret <= 0 || ret != 2) {
+ if (errno == EAGAIN) {
+ ret = WOLFSSL_SUCCESS;
+ continue;
+ }
+ WOLFSSL_MSG("error requesting entropy from egd server");
+ ret = WOLFSSL_FATAL_ERROR;
+ break;
+ }
+ }
+
+ /* attempting to read */
+ buf[idx] = 0;
+ ret = (int)read(fd, buf + idx, 256 - bytes);
+ if (ret == 0) {
+ WOLFSSL_MSG("error reading entropy from egd server");
+ ret = WOLFSSL_FATAL_ERROR;
+ break;
+ }
+ if (ret > 0 && buf[idx] > 0) {
+ bytes += buf[idx]; /* egd stores amount sent in first byte */
+ if (bytes + idx > 255 || buf[idx] > ret) {
+ WOLFSSL_MSG("Buffer error");
+ ret = WOLFSSL_FATAL_ERROR;
+ break;
+ }
+ XMEMMOVE(buf + idx, buf + idx + 1, buf[idx]);
+ idx = bytes;
+ ret = WOLFSSL_SUCCESS;
+ if (bytes >= 255) {
+ break;
+ }
+ }
+ else {
+ if (errno == EAGAIN || errno == EINTR) {
+ WOLFSSL_MSG("EGD would read");
+ ret = WOLFSSL_SUCCESS; /* try again */
+ }
+ else if (buf[idx] == 0) {
+ /* if egd returned 0 then there is no more entropy to be had.
+ Do not try more reads. */
+ ret = WOLFSSL_SUCCESS;
+ break;
+ }
+ else {
+ WOLFSSL_MSG("Error with read");
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ }
+ }
+
+ if (bytes > 0 && ret == WOLFSSL_SUCCESS) {
+ wolfSSL_RAND_Init(); /* call to check global RNG is created */
+ if (wc_RNG_DRBG_Reseed(&globalRNG, (const byte*) buf, bytes)
+ != 0) {
+ WOLFSSL_MSG("Error with reseeding DRBG structure");
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ #ifdef SHOW_SECRETS
+ { /* print out entropy found */
+ word32 i;
+ printf("EGD Entropy = ");
+ for (i = 0; i < bytes; i++) {
+ printf("%02X", buf[i]);
+ }
+ printf("\n");
+ }
+ #endif
+ }
+
+ ForceZero(buf, bytes);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ #endif
+ close(fd);
+
+ if (ret == WOLFSSL_SUCCESS) {
+ return bytes;
+ }
+ else {
+ return ret;
+ }
+#else /* defined(USE_WOLFSSL_IO) && !defined(USE_WINDOWS_API) && !HAVE_FIPS */
+ WOLFSSL_MSG("Type of socket needed is not available");
+ WOLFSSL_MSG("\tor using FIPS mode where RNG API is not available");
+ (void)nm;
+
+ return WOLFSSL_FATAL_ERROR;
+#endif /* defined(USE_WOLFSSL_IO) && !defined(USE_WINDOWS_API) */
+}
+
+#endif /* !FREERTOS_TCP */
+
+void wolfSSL_RAND_Cleanup(void)
+{
+ WOLFSSL_ENTER("wolfSSL_RAND_Cleanup()");
+
+ if (initGlobalRNG != 0) {
+ wc_FreeRng(&globalRNG);
+ initGlobalRNG = 0;
+ }
+}
+
+
+int wolfSSL_RAND_pseudo_bytes(unsigned char* buf, int num)
+{
+ return wolfSSL_RAND_bytes(buf, num);
+}
+
+
+/* SSL_SUCCESS on ok */
+int wolfSSL_RAND_bytes(unsigned char* buf, int num)
+{
+ int ret = 0;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_RAND_bytes");
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return ret;
+#endif
+
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else if (initGlobalRNG)
+ rng = &globalRNG;
+
+ if (rng) {
+ if (wc_RNG_GenerateBlock(rng, buf, num) != 0)
+ WOLFSSL_MSG("Bad wc_RNG_GenerateBlock");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return ret;
+}
+
+
+int wolfSSL_RAND_poll()
+{
+ byte entropy[16];
+ int ret = 0;
+ word32 entropy_sz = 16;
+
+ WOLFSSL_ENTER("wolfSSL_RAND_poll");
+ if (initGlobalRNG == 0){
+ WOLFSSL_MSG("Global RNG no Init");
+ return WOLFSSL_FAILURE;
+ }
+ ret = wc_GenerateSeed(&globalRNG.seed, entropy, entropy_sz);
+ if (ret != 0){
+ WOLFSSL_MSG("Bad wc_RNG_GenerateBlock");
+ ret = WOLFSSL_FAILURE;
+ }else
+ ret = WOLFSSL_SUCCESS;
+
+ return ret;
+}
+
+WOLFSSL_BN_CTX* wolfSSL_BN_CTX_new(void)
+{
+ static int ctx; /* wolfcrypt doesn't now need ctx */
+
+ WOLFSSL_MSG("wolfSSL_BN_CTX_new");
+ return (WOLFSSL_BN_CTX*)&ctx;
+
+}
+
+void wolfSSL_BN_CTX_init(WOLFSSL_BN_CTX* ctx)
+{
+ (void)ctx;
+ WOLFSSL_MSG("wolfSSL_BN_CTX_init");
+}
+
+
+void wolfSSL_BN_CTX_free(WOLFSSL_BN_CTX* ctx)
+{
+ (void)ctx;
+ WOLFSSL_MSG("wolfSSL_BN_CTX_free");
+ /* do free since static ctx that does nothing */
+}
+#endif /* OPENSSL_EXTRA */
+
+
+#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
+static void InitwolfSSL_BigNum(WOLFSSL_BIGNUM* bn)
+{
+ if (bn) {
+ XMEMSET(bn, 0, sizeof(WOLFSSL_BIGNUM));
+ bn->neg = 0;
+ bn->internal = NULL;
+ }
+}
+
+WOLFSSL_BIGNUM* wolfSSL_BN_new(void)
+{
+ WOLFSSL_BIGNUM* external;
+ mp_int* mpi;
+
+ WOLFSSL_MSG("wolfSSL_BN_new");
+
+ mpi = (mp_int*) XMALLOC(sizeof(mp_int), NULL, DYNAMIC_TYPE_BIGINT);
+ if (mpi == NULL) {
+ WOLFSSL_MSG("wolfSSL_BN_new malloc mpi failure");
+ return NULL;
+ }
+
+ external = (WOLFSSL_BIGNUM*) XMALLOC(sizeof(WOLFSSL_BIGNUM), NULL,
+ DYNAMIC_TYPE_BIGINT);
+ if (external == NULL) {
+ WOLFSSL_MSG("wolfSSL_BN_new malloc WOLFSSL_BIGNUM failure");
+ XFREE(mpi, NULL, DYNAMIC_TYPE_BIGINT);
+ return NULL;
+ }
+
+ InitwolfSSL_BigNum(external);
+ external->internal = mpi;
+ if (mp_init(mpi) != MP_OKAY) {
+ wolfSSL_BN_free(external);
+ return NULL;
+ }
+
+ return external;
+}
+
+
+void wolfSSL_BN_free(WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_free");
+ if (bn) {
+ if (bn->internal) {
+ mp_forcezero((mp_int*)bn->internal);
+ XFREE(bn->internal, NULL, DYNAMIC_TYPE_BIGINT);
+ bn->internal = NULL;
+ }
+ XFREE(bn, NULL, DYNAMIC_TYPE_BIGINT);
+ bn = NULL;
+ }
+}
+#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
+
+#ifdef OPENSSL_EXTRA
+
+void wolfSSL_BN_clear_free(WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_clear_free");
+
+ wolfSSL_BN_free(bn);
+}
+
+
+/* WOLFSSL_SUCCESS on ok */
+int wolfSSL_BN_sub(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* a,
+ const WOLFSSL_BIGNUM* b)
+{
+ WOLFSSL_MSG("wolfSSL_BN_sub");
+
+ if (r == NULL || a == NULL || b == NULL)
+ return 0;
+
+ if (mp_sub((mp_int*)a->internal,(mp_int*)b->internal,
+ (mp_int*)r->internal) == MP_OKAY)
+ return WOLFSSL_SUCCESS;
+
+ WOLFSSL_MSG("wolfSSL_BN_sub mp_sub failed");
+ return 0;
+}
+
+/* WOLFSSL_SUCCESS on ok */
+int wolfSSL_BN_mod(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* a,
+ const WOLFSSL_BIGNUM* b, const WOLFSSL_BN_CTX* c)
+{
+ (void)c;
+ WOLFSSL_MSG("wolfSSL_BN_mod");
+
+ if (r == NULL || a == NULL || b == NULL)
+ return 0;
+
+ if (mp_mod((mp_int*)a->internal,(mp_int*)b->internal,
+ (mp_int*)r->internal) == MP_OKAY)
+ return WOLFSSL_SUCCESS;
+
+ WOLFSSL_MSG("wolfSSL_BN_mod mp_mod failed");
+ return 0;
+}
+
+
+/* r = (a^p) % m */
+int wolfSSL_BN_mod_exp(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
+ const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx)
+{
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_BN_mod_exp");
+
+ (void) ctx;
+ if (r == NULL || a == NULL || p == NULL || m == NULL) {
+ WOLFSSL_MSG("Bad Argument");
+ return WOLFSSL_FAILURE;
+ }
+
+ if ((ret = mp_exptmod((mp_int*)a->internal,(mp_int*)p->internal,
+ (mp_int*)m->internal, (mp_int*)r->internal)) == MP_OKAY) {
+ return WOLFSSL_SUCCESS;
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_BN_mod_exp", ret);
+ (void)ret;
+
+ return WOLFSSL_FAILURE;
+}
+
+/* r = (a * p) % m */
+int wolfSSL_BN_mod_mul(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
+ const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx)
+{
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_BN_mod_mul");
+
+ (void) ctx;
+ if (r == NULL || a == NULL || p == NULL || m == NULL) {
+ WOLFSSL_MSG("Bad Argument");
+ return SSL_FAILURE;
+ }
+
+ if ((ret = mp_mulmod((mp_int*)a->internal,(mp_int*)p->internal,
+ (mp_int*)m->internal, (mp_int*)r->internal)) == MP_OKAY) {
+ return SSL_SUCCESS;
+ }
+
+ WOLFSSL_LEAVE("wolfSSL_BN_mod_mul", ret);
+ (void)ret;
+
+ return SSL_FAILURE;
+}
+
+const WOLFSSL_BIGNUM* wolfSSL_BN_value_one(void)
+{
+ static WOLFSSL_BIGNUM* bn_one = NULL;
+
+ WOLFSSL_MSG("wolfSSL_BN_value_one");
+
+ if (bn_one == NULL) {
+ bn_one = wolfSSL_BN_new();
+ if (bn_one) {
+ if (mp_set_int((mp_int*)bn_one->internal, 1) != MP_OKAY) {
+ /* handle error by freeing BN and returning NULL */
+ wolfSSL_BN_free(bn_one);
+ bn_one = NULL;
+ }
+ }
+ }
+
+ return bn_one;
+}
+
+/* return compliant with OpenSSL
+ * size of BIGNUM in bytes, 0 if error */
+int wolfSSL_BN_num_bytes(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_ENTER("wolfSSL_BN_num_bytes");
+
+ if (bn == NULL || bn->internal == NULL)
+ return WOLFSSL_FAILURE;
+
+ return mp_unsigned_bin_size((mp_int*)bn->internal);
+}
+
+/* return compliant with OpenSSL
+ * size of BIGNUM in bits, 0 if error */
+int wolfSSL_BN_num_bits(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_ENTER("wolfSSL_BN_num_bits");
+
+ if (bn == NULL || bn->internal == NULL)
+ return WOLFSSL_FAILURE;
+
+ return mp_count_bits((mp_int*)bn->internal);
+}
+
+/* return compliant with OpenSSL
+ * 1 if BIGNUM is zero, 0 else */
+int wolfSSL_BN_is_zero(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_is_zero");
+
+ if (bn == NULL || bn->internal == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (mp_iszero((mp_int*)bn->internal) == MP_YES)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+/* return compliant with OpenSSL
+ * 1 if BIGNUM is one, 0 else */
+int wolfSSL_BN_is_one(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_is_one");
+
+ if (bn == NULL || bn->internal == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (mp_cmp_d((mp_int*)bn->internal, 1) == MP_EQ)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+/* return compliant with OpenSSL
+ * 1 if BIGNUM is odd, 0 else */
+int wolfSSL_BN_is_odd(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_is_odd");
+
+ if (bn == NULL || bn->internal == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (mp_isodd((mp_int*)bn->internal) == MP_YES)
+ return WOLFSSL_SUCCESS;
+
+ return WOLFSSL_FAILURE;
+}
+
+/* return compliant with OpenSSL
+ * -1 if a < b, 0 if a == b and 1 if a > b
+ */
+int wolfSSL_BN_cmp(const WOLFSSL_BIGNUM* a, const WOLFSSL_BIGNUM* b)
+{
+ int ret;
+
+ WOLFSSL_MSG("wolfSSL_BN_cmp");
+
+ if (a == NULL || a->internal == NULL || b == NULL || b->internal == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ ret = mp_cmp((mp_int*)a->internal, (mp_int*)b->internal);
+
+ return (ret == MP_EQ ? 0 : (ret == MP_GT ? 1 : -1));
+}
+
+/* return compliant with OpenSSL
+ * length of BIGNUM in bytes, -1 if error */
+int wolfSSL_BN_bn2bin(const WOLFSSL_BIGNUM* bn, unsigned char* r)
+{
+ WOLFSSL_MSG("wolfSSL_BN_bn2bin");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("NULL bn error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (r == NULL)
+ return mp_unsigned_bin_size((mp_int*)bn->internal);
+
+ if (mp_to_unsigned_bin((mp_int*)bn->internal, r) != MP_OKAY) {
+ WOLFSSL_MSG("mp_to_unsigned_bin error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ return mp_unsigned_bin_size((mp_int*)bn->internal);
+}
+
+
+WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char* str, int len,
+ WOLFSSL_BIGNUM* ret)
+{
+ int weOwn = 0;
+
+ WOLFSSL_MSG("wolfSSL_BN_bin2bn");
+
+ /* if ret is null create a BN */
+ if (ret == NULL) {
+ ret = wolfSSL_BN_new();
+ weOwn = 1;
+ if (ret == NULL)
+ return NULL;
+ }
+
+ /* check ret and ret->internal then read in value */
+ if (ret && ret->internal) {
+ if (mp_read_unsigned_bin((mp_int*)ret->internal, str, len) != 0) {
+ WOLFSSL_MSG("mp_read_unsigned_bin failure");
+ if (weOwn)
+ wolfSSL_BN_free(ret);
+ return NULL;
+ }
+ }
+
+ return ret;
+}
+
+/* return compliant with OpenSSL
+ * 1 if success, 0 if error */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_mask_bits(WOLFSSL_BIGNUM* bn, int n)
+{
+ (void)bn;
+ (void)n;
+ WOLFSSL_ENTER("wolfSSL_BN_mask_bits");
+ WOLFSSL_STUB("BN_mask_bits");
+ return SSL_FAILURE;
+}
+#endif
+
+
+/* WOLFSSL_SUCCESS on ok */
+int wolfSSL_BN_rand(WOLFSSL_BIGNUM* bn, int bits, int top, int bottom)
+{
+ int ret = 0;
+ int len = bits / 8;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+ byte* buff = NULL;
+#else
+ WC_RNG tmpRNG[1];
+ byte buff[1024];
+#endif
+
+ (void)top;
+ (void)bottom;
+ WOLFSSL_MSG("wolfSSL_BN_rand");
+
+ if (bits % 8)
+ len++;
+
+#ifdef WOLFSSL_SMALL_STACK
+ buff = (byte*)XMALLOC(1024, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ tmpRNG = (WC_RNG*) XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (buff == NULL || tmpRNG == NULL) {
+ XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+ return ret;
+ }
+#endif
+
+ if (bn == NULL || bn->internal == NULL)
+ WOLFSSL_MSG("Bad function arguments");
+ else if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else if (initGlobalRNG)
+ rng = &globalRNG;
+
+ if (rng) {
+ if (wc_RNG_GenerateBlock(rng, buff, len) != 0)
+ WOLFSSL_MSG("Bad wc_RNG_GenerateBlock");
+ else {
+ buff[0] |= 0x80 | 0x40;
+ buff[len-1] |= 0x01;
+
+ if (mp_read_unsigned_bin((mp_int*)bn->internal,buff,len) != MP_OKAY)
+ WOLFSSL_MSG("mp read bin failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return ret;
+}
+
+
+/* WOLFSSL_SUCCESS on ok
+ * code is same as wolfSSL_BN_rand except for how top and bottom is handled.
+ * top -1 then leave most sig bit alone
+ * top 0 then most sig is set to 1
+ * top is 1 then first two most sig bits are 1
+ *
+ * bottom is hot then odd number */
+int wolfSSL_BN_pseudo_rand(WOLFSSL_BIGNUM* bn, int bits, int top, int bottom)
+{
+ int ret = 0;
+ int len = bits / 8;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+ byte* buff = NULL;
+#else
+ WC_RNG tmpRNG[1];
+ byte buff[1024];
+#endif
+
+ WOLFSSL_MSG("wolfSSL_BN_rand");
+
+ if (bits % 8)
+ len++;
+
+#ifdef WOLFSSL_SMALL_STACK
+ buff = (byte*)XMALLOC(1024, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ tmpRNG = (WC_RNG*) XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (buff == NULL || tmpRNG == NULL) {
+ XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return ret;
+ }
+#endif
+
+ if (bn == NULL || bn->internal == NULL)
+ WOLFSSL_MSG("Bad function arguments");
+ else if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else if (initGlobalRNG)
+ rng = &globalRNG;
+
+ if (rng) {
+ if (wc_RNG_GenerateBlock(rng, buff, len) != 0)
+ WOLFSSL_MSG("Bad wc_RNG_GenerateBlock");
+ else {
+ switch (top) {
+ case -1:
+ break;
+
+ case 0:
+ buff[0] |= 0x80;
+ break;
+
+ case 1:
+ buff[0] |= 0x80 | 0x40;
+ break;
+ }
+
+ if (bottom == 1) {
+ buff[len-1] |= 0x01;
+ }
+
+ if (mp_read_unsigned_bin((mp_int*)bn->internal,buff,len) != MP_OKAY)
+ WOLFSSL_MSG("mp read bin failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(buff, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+#endif
+
+ return ret;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if bit set, 0 else
+ */
+int wolfSSL_BN_is_bit_set(const WOLFSSL_BIGNUM* bn, int n)
+{
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (n > DIGIT_BIT) {
+ WOLFSSL_MSG("input bit count too large");
+ return WOLFSSL_FAILURE;
+ }
+
+ return mp_is_bit_set((mp_int*)bn->internal, (mp_digit)n);
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_set_bit(WOLFSSL_BIGNUM* bn, int n)
+{
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_set_bit((mp_int*)bn->internal, n) != MP_OKAY) {
+ WOLFSSL_MSG("mp_set_int error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* WOLFSSL_SUCCESS on ok */
+/* Note on use: this function expects str to be an even length. It is
+ * converting pairs of bytes into 8-bit values. As an example, the RSA
+ * public exponent is commonly 0x010001. To get it to convert, you need
+ * to pass in the string "010001", it will fail if you use "10001". This
+ * is an affect of how Base16_Decode() works.
+ */
+int wolfSSL_BN_hex2bn(WOLFSSL_BIGNUM** bn, const char* str)
+{
+ int ret = 0;
+ word32 decSz = 1024;
+#ifdef WOLFSSL_SMALL_STACK
+ byte* decoded = NULL;
+#else
+ byte decoded[1024];
+#endif
+ int weOwn = 0;
+
+ WOLFSSL_MSG("wolfSSL_BN_hex2bn");
+
+#ifdef WOLFSSL_SMALL_STACK
+ decoded = (byte*)XMALLOC(decSz, NULL, DYNAMIC_TYPE_DER);
+ if (decoded == NULL)
+ return ret;
+#endif
+
+ if (str == NULL || str[0] == '\0')
+ WOLFSSL_MSG("Bad function argument");
+ else if (Base16_Decode((byte*)str, (int)XSTRLEN(str), decoded, &decSz) < 0)
+ WOLFSSL_MSG("Bad Base16_Decode error");
+ else if (bn == NULL)
+ ret = decSz;
+ else {
+ if (*bn == NULL) {
+ *bn = wolfSSL_BN_new();
+ if (*bn != NULL) {
+ weOwn = 1;
+ }
+ }
+
+ if (*bn == NULL)
+ WOLFSSL_MSG("BN new failed");
+ else if (wolfSSL_BN_bin2bn(decoded, decSz, *bn) == NULL) {
+ WOLFSSL_MSG("Bad bin2bn error");
+ if (weOwn == 1) {
+ wolfSSL_BN_free(*bn); /* Free new BN */
+ }
+ }
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(decoded, NULL, DYNAMIC_TYPE_DER);
+#endif
+
+ return ret;
+}
+
+
+WOLFSSL_BIGNUM* wolfSSL_BN_dup(const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_BIGNUM* ret;
+
+ WOLFSSL_MSG("wolfSSL_BN_dup");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return NULL;
+ }
+
+ ret = wolfSSL_BN_new();
+ if (ret == NULL) {
+ WOLFSSL_MSG("bn new error");
+ return NULL;
+ }
+
+ if (mp_copy((mp_int*)bn->internal, (mp_int*)ret->internal) != MP_OKAY) {
+ WOLFSSL_MSG("mp_copy error");
+ wolfSSL_BN_free(ret);
+ return NULL;
+ }
+
+ ret->neg = bn->neg;
+
+ return ret;
+}
+
+
+WOLFSSL_BIGNUM* wolfSSL_BN_copy(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* bn)
+{
+ WOLFSSL_MSG("wolfSSL_BN_copy");
+
+ if (r == NULL || bn == NULL) {
+ WOLFSSL_MSG("r or bn NULL error");
+ return NULL;
+ }
+
+ if (mp_copy((mp_int*)bn->internal, (mp_int*)r->internal) != MP_OKAY) {
+ WOLFSSL_MSG("mp_copy error");
+ return NULL;
+ }
+
+ r->neg = bn->neg;
+
+ return r;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_set_word(WOLFSSL_BIGNUM* bn, WOLFSSL_BN_ULONG w)
+{
+ WOLFSSL_MSG("wolfSSL_BN_set_word");
+
+ if (bn == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_set_int((mp_int*)bn->internal, w) != MP_OKAY) {
+ WOLFSSL_MSG("mp_init_set_int error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* Returns the big number as an unsigned long if possible.
+ *
+ * bn big number structure to get value from
+ *
+ * Returns value or 0xFFFFFFFFL if bigger than unsigned long.
+ */
+unsigned long wolfSSL_BN_get_word(const WOLFSSL_BIGNUM* bn)
+{
+ mp_int* mp;
+
+ WOLFSSL_MSG("wolfSSL_BN_get_word");
+
+ if (bn == NULL) {
+ WOLFSSL_MSG("Invalid argument");
+ return 0;
+ }
+
+ if (wolfSSL_BN_num_bytes(bn) > (int)sizeof(unsigned long)) {
+ WOLFSSL_MSG("bignum is larger than unsigned long");
+ return 0xFFFFFFFFL;
+ }
+ mp = (mp_int*)bn->internal;
+
+ return (unsigned long)(mp->dp[0]);
+}
+
+/* return code compliant with OpenSSL :
+ * number length in decimal if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_BN_dec2bn(WOLFSSL_BIGNUM** bn, const char* str)
+{
+ (void)bn;
+ (void)str;
+
+ WOLFSSL_MSG("wolfSSL_BN_dec2bn");
+ WOLFSSL_STUB("BN_dec2bn");
+ return SSL_FAILURE;
+}
+#endif
+
+#if defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY)
+char *wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM *bn)
+{
+ int len = 0;
+ char *buf;
+
+ WOLFSSL_MSG("wolfSSL_BN_bn2dec");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return NULL;
+ }
+
+ if (mp_radix_size((mp_int*)bn->internal, MP_RADIX_DEC, &len) != MP_OKAY) {
+ WOLFSSL_MSG("mp_radix_size failure");
+ return NULL;
+ }
+
+ buf = (char*) XMALLOC(len, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (buf == NULL) {
+ WOLFSSL_MSG("BN_bn2dec malloc buffer failure");
+ return NULL;
+ }
+
+ if (mp_todecimal((mp_int*)bn->internal, buf) != MP_OKAY) {
+ XFREE(buf, NULL, DYNAMIC_TYPE_ECC);
+ return NULL;
+ }
+
+ return buf;
+}
+#else
+char* wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM* bn)
+{
+ (void)bn;
+
+ WOLFSSL_MSG("wolfSSL_BN_bn2dec");
+
+ return NULL;
+}
+#endif /* defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY) */
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_lshift(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *bn, int n)
+{
+ WOLFSSL_MSG("wolfSSL_BN_lshift");
+
+ if (r == NULL || r->internal == NULL || bn == NULL || bn->internal == NULL){
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_mul_2d((mp_int*)bn->internal, n, (mp_int*)r->internal) != MP_OKAY) {
+ WOLFSSL_MSG("mp_mul_2d error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_rshift(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *bn, int n)
+{
+ WOLFSSL_MSG("wolfSSL_BN_rshift");
+
+ if (r == NULL || r->internal == NULL || bn == NULL || bn->internal == NULL){
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_div_2d((mp_int*)bn->internal, n,
+ (mp_int*)r->internal, NULL) != MP_OKAY) {
+ WOLFSSL_MSG("mp_mul_2d error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_add_word(WOLFSSL_BIGNUM *bn, WOLFSSL_BN_ULONG w)
+{
+ WOLFSSL_MSG("wolfSSL_BN_add_word");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_add_d((mp_int*)bn->internal, w, (mp_int*)bn->internal) != MP_OKAY) {
+ WOLFSSL_MSG("mp_add_d error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 else
+ */
+int wolfSSL_BN_add(WOLFSSL_BIGNUM *r, WOLFSSL_BIGNUM *a, WOLFSSL_BIGNUM *b)
+{
+ WOLFSSL_MSG("wolfSSL_BN_add");
+
+ if (r == NULL || r->internal == NULL || a == NULL || a->internal == NULL ||
+ b == NULL || b->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_add((mp_int*)a->internal, (mp_int*)b->internal,
+ (mp_int*)r->internal) != MP_OKAY) {
+ WOLFSSL_MSG("mp_add_d error");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+#ifdef WOLFSSL_KEY_GEN
+
+/* return code compliant with OpenSSL :
+ * 1 if prime, 0 if not, -1 if error
+ */
+int wolfSSL_BN_is_prime_ex(const WOLFSSL_BIGNUM *bn, int nbchecks,
+ WOLFSSL_BN_CTX *ctx, WOLFSSL_BN_GENCB *cb)
+{
+ int res;
+
+ (void)ctx;
+ (void)cb;
+
+ WOLFSSL_MSG("wolfSSL_BN_is_prime_ex");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (mp_prime_is_prime((mp_int*)bn->internal, nbchecks, &res) != MP_OKAY) {
+ WOLFSSL_MSG("mp_prime_is_prime error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (res != MP_YES) {
+ WOLFSSL_MSG("mp_prime_is_prime not prime");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* return code compliant with OpenSSL :
+ * (bn mod w) if success, -1 if error
+ */
+WOLFSSL_BN_ULONG wolfSSL_BN_mod_word(const WOLFSSL_BIGNUM *bn,
+ WOLFSSL_BN_ULONG w)
+{
+ WOLFSSL_BN_ULONG ret = 0;
+
+ WOLFSSL_MSG("wolfSSL_BN_mod_word");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return (WOLFSSL_BN_ULONG)WOLFSSL_FATAL_ERROR;
+ }
+
+ if (mp_mod_d((mp_int*)bn->internal, w, &ret) != MP_OKAY) {
+ WOLFSSL_MSG("mp_add_d error");
+ return (WOLFSSL_BN_ULONG)WOLFSSL_FATAL_ERROR;
+ }
+
+ return ret;
+}
+#endif /* #ifdef WOLFSSL_KEY_GEN */
+
+char *wolfSSL_BN_bn2hex(const WOLFSSL_BIGNUM *bn)
+{
+#if defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY) || defined(DEBUG_WOLFSSL)
+ int len = 0;
+ char *buf;
+
+ WOLFSSL_ENTER("wolfSSL_BN_bn2hex");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return NULL;
+ }
+
+ if (mp_radix_size((mp_int*)bn->internal, MP_RADIX_HEX, &len) != MP_OKAY) {
+ WOLFSSL_MSG("mp_radix_size failure");
+ return NULL;
+ }
+
+ buf = (char*) XMALLOC(len, NULL, DYNAMIC_TYPE_ECC);
+ if (buf == NULL) {
+ WOLFSSL_MSG("BN_bn2hex malloc buffer failure");
+ return NULL;
+ }
+
+ if (mp_tohex((mp_int*)bn->internal, buf) != MP_OKAY) {
+ XFREE(buf, NULL, DYNAMIC_TYPE_ECC);
+ return NULL;
+ }
+
+ return buf;
+#else
+ (void)bn;
+ WOLFSSL_MSG("wolfSSL_BN_bn2hex not compiled in");
+ return (char*)"";
+#endif
+}
+
+#ifndef NO_FILESYSTEM
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_BN_print_fp(XFILE fp, const WOLFSSL_BIGNUM *bn)
+{
+#if defined(WOLFSSL_KEY_GEN) || defined(HAVE_COMP_KEY) || defined(DEBUG_WOLFSSL)
+ char *buf;
+
+ WOLFSSL_ENTER("wolfSSL_BN_print_fp");
+
+ if (fp == NULL || bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ buf = wolfSSL_BN_bn2hex(bn);
+ if (buf == NULL) {
+ WOLFSSL_MSG("wolfSSL_BN_bn2hex failure");
+ return WOLFSSL_FAILURE;
+ }
+
+ fprintf(fp, "%s", buf);
+ XFREE(buf, NULL, DYNAMIC_TYPE_ECC);
+
+ return WOLFSSL_SUCCESS;
+#else
+ (void)fp;
+ (void)bn;
+
+ WOLFSSL_MSG("wolfSSL_BN_print_fp not compiled in");
+
+ return WOLFSSL_SUCCESS;
+#endif
+}
+#endif /* !NO_FILESYSTEM */
+
+
+WOLFSSL_BIGNUM *wolfSSL_BN_CTX_get(WOLFSSL_BN_CTX *ctx)
+{
+ /* ctx is not used, return new Bignum */
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_BN_CTX_get");
+
+ return wolfSSL_BN_new();
+}
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_BN_CTX_start(WOLFSSL_BN_CTX *ctx)
+{
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_BN_CTX_start");
+ WOLFSSL_STUB("BN_CTX_start");
+ WOLFSSL_MSG("wolfSSL_BN_CTX_start TBD");
+}
+#endif
+
+
+WOLFSSL_BIGNUM *wolfSSL_BN_mod_inverse(WOLFSSL_BIGNUM *r,
+ WOLFSSL_BIGNUM *a,
+ const WOLFSSL_BIGNUM *n,
+ WOLFSSL_BN_CTX *ctx)
+{
+ int dynamic = 0;
+
+ /* ctx is not used */
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_BN_mod_inverse");
+
+ /* check parameter */
+ if (r == NULL) {
+ r = wolfSSL_BN_new();
+ if (r == NULL){
+ WOLFSSL_MSG("WolfSSL_BN_new() failed");
+ return NULL;
+ }
+ dynamic = 1;
+ }
+
+ if (a == NULL) {
+ WOLFSSL_MSG("a NULL error");
+ if (dynamic == 1) {
+ wolfSSL_BN_free(r);
+ }
+ return NULL;
+ }
+
+ if (n == NULL) {
+ WOLFSSL_MSG("n NULL error");
+ if (dynamic == 1) {
+ wolfSSL_BN_free(r);
+ }
+ return NULL;
+ }
+
+ /* Compute inverse of a modulo n and return r */
+ if (mp_invmod((mp_int *)a->internal,(mp_int *)n->internal,
+ (mp_int*)r->internal) == MP_VAL){
+ WOLFSSL_MSG("mp_invmod() error");
+ if (dynamic == 1) {
+ wolfSSL_BN_free(r);
+ }
+ return NULL;
+ }
+
+ return r;
+}
+
+#ifndef NO_DH
+
+static void InitwolfSSL_DH(WOLFSSL_DH* dh)
+{
+ if (dh) {
+ dh->p = NULL;
+ dh->g = NULL;
+ dh->q = NULL;
+ dh->pub_key = NULL;
+ dh->priv_key = NULL;
+ dh->internal = NULL;
+ dh->inSet = 0;
+ dh->exSet = 0;
+ }
+}
+
+
+WOLFSSL_DH* wolfSSL_DH_new(void)
+{
+ WOLFSSL_DH* external;
+ DhKey* key;
+
+ WOLFSSL_MSG("wolfSSL_DH_new");
+
+ key = (DhKey*) XMALLOC(sizeof(DhKey), NULL, DYNAMIC_TYPE_DH);
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_DH_new malloc DhKey failure");
+ return NULL;
+ }
+
+ external = (WOLFSSL_DH*) XMALLOC(sizeof(WOLFSSL_DH), NULL,
+ DYNAMIC_TYPE_DH);
+ if (external == NULL) {
+ WOLFSSL_MSG("wolfSSL_DH_new malloc WOLFSSL_DH failure");
+ XFREE(key, NULL, DYNAMIC_TYPE_DH);
+ return NULL;
+ }
+
+ InitwolfSSL_DH(external);
+ if (wc_InitDhKey(key) != 0) {
+ WOLFSSL_MSG("wolfSSL_DH_new InitDhKey failure");
+ XFREE(key, NULL, DYNAMIC_TYPE_DH);
+ XFREE(external, NULL, DYNAMIC_TYPE_DH);
+ return NULL;
+ }
+ external->internal = key;
+
+ return external;
+}
+
+
+void wolfSSL_DH_free(WOLFSSL_DH* dh)
+{
+ WOLFSSL_MSG("wolfSSL_DH_free");
+
+ if (dh) {
+ if (dh->internal) {
+ wc_FreeDhKey((DhKey*)dh->internal);
+ XFREE(dh->internal, NULL, DYNAMIC_TYPE_DH);
+ dh->internal = NULL;
+ }
+ wolfSSL_BN_free(dh->priv_key);
+ wolfSSL_BN_free(dh->pub_key);
+ wolfSSL_BN_free(dh->g);
+ wolfSSL_BN_free(dh->p);
+ wolfSSL_BN_free(dh->q);
+ InitwolfSSL_DH(dh); /* set back to NULLs for safety */
+
+ XFREE(dh, NULL, DYNAMIC_TYPE_DH);
+ }
+}
+
+
+static int SetDhInternal(WOLFSSL_DH* dh)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ int pSz = 1024;
+ int gSz = 1024;
+#ifdef WOLFSSL_SMALL_STACK
+ unsigned char* p = NULL;
+ unsigned char* g = NULL;
+#else
+ unsigned char p[1024];
+ unsigned char g[1024];
+#endif
+
+ WOLFSSL_ENTER("SetDhInternal");
+
+ if (dh == NULL || dh->p == NULL || dh->g == NULL)
+ WOLFSSL_MSG("Bad function arguments");
+ else if (wolfSSL_BN_bn2bin(dh->p, NULL) > pSz)
+ WOLFSSL_MSG("Bad p internal size");
+ else if (wolfSSL_BN_bn2bin(dh->g, NULL) > gSz)
+ WOLFSSL_MSG("Bad g internal size");
+ else {
+ #ifdef WOLFSSL_SMALL_STACK
+ p = (unsigned char*)XMALLOC(pSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ g = (unsigned char*)XMALLOC(gSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+
+ if (p == NULL || g == NULL) {
+ XFREE(p, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ return ret;
+ }
+ #endif
+
+ pSz = wolfSSL_BN_bn2bin(dh->p, p);
+ gSz = wolfSSL_BN_bn2bin(dh->g, g);
+
+ if (pSz <= 0 || gSz <= 0)
+ WOLFSSL_MSG("Bad BN2bin set");
+ else if (wc_DhSetKey((DhKey*)dh->internal, p, pSz, g, gSz) < 0)
+ WOLFSSL_MSG("Bad DH SetKey");
+ else {
+ dh->inSet = 1;
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(p, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ #endif
+ }
+
+
+ return ret;
+}
+
+/* return code compliant with OpenSSL :
+ * DH prime size in bytes if success, 0 if error
+ */
+int wolfSSL_DH_size(WOLFSSL_DH* dh)
+{
+ WOLFSSL_MSG("wolfSSL_DH_size");
+
+ if (dh == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ return wolfSSL_BN_num_bytes(dh->p);
+}
+
+
+/* This sets a big number with the 1536-bit prime from RFC 3526.
+ *
+ * bn if not NULL then the big number structure is used. If NULL then a new
+ * big number structure is created.
+ *
+ * Returns a WOLFSSL_BIGNUM structure on success and NULL with failure.
+ */
+WOLFSSL_BIGNUM* wolfSSL_DH_1536_prime(WOLFSSL_BIGNUM* bn)
+{
+ const char prm[] = {
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234"
+ "C4C6628B80DC1CD129024E088A67CC74"
+ "020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F1437"
+ "4FE1356D6D51C245E485B576625E7EC6"
+ "F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE6"
+ "49286651ECE45B3DC2007CB8A163BF05"
+ "98DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB"
+ "9ED529077096966D670C354E4ABC9804"
+ "F1746C08CA237327FFFFFFFFFFFFFFFF"
+ };
+
+ WOLFSSL_ENTER("wolfSSL_DH_1536_prime");
+
+ if (wolfSSL_BN_hex2bn(&bn, prm) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Error converting DH 1536 prime to big number");
+ return NULL;
+ }
+
+ return bn;
+}
+
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_DH_generate_key(WOLFSSL_DH* dh)
+{
+ int ret = WOLFSSL_FAILURE;
+ word32 pubSz = 768;
+ word32 privSz = 768;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ unsigned char* pub = NULL;
+ unsigned char* priv = NULL;
+ WC_RNG* tmpRNG = NULL;
+#else
+ unsigned char pub [768];
+ unsigned char priv[768];
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_MSG("wolfSSL_DH_generate_key");
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ pub = (unsigned char*)XMALLOC(pubSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ priv = (unsigned char*)XMALLOC(privSz, NULL, DYNAMIC_TYPE_PRIVATE_KEY);
+
+ if (tmpRNG == NULL || pub == NULL || priv == NULL) {
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+ XFREE(pub, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(priv, NULL, DYNAMIC_TYPE_PRIVATE_KEY);
+ return ret;
+ }
+#endif
+
+ if (dh == NULL || dh->p == NULL || dh->g == NULL)
+ WOLFSSL_MSG("Bad function arguments");
+ else if (dh->inSet == 0 && SetDhInternal(dh) != WOLFSSL_SUCCESS)
+ WOLFSSL_MSG("Bad DH set internal");
+ else if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ if (wc_DhGenerateKeyPair((DhKey*)dh->internal, rng, priv, &privSz,
+ pub, &pubSz) < 0)
+ WOLFSSL_MSG("Bad wc_DhGenerateKeyPair");
+ else {
+ if (dh->pub_key)
+ wolfSSL_BN_free(dh->pub_key);
+
+ dh->pub_key = wolfSSL_BN_new();
+ if (dh->pub_key == NULL) {
+ WOLFSSL_MSG("Bad DH new pub");
+ }
+ if (dh->priv_key)
+ wolfSSL_BN_free(dh->priv_key);
+
+ dh->priv_key = wolfSSL_BN_new();
+
+ if (dh->priv_key == NULL) {
+ WOLFSSL_MSG("Bad DH new priv");
+ }
+
+ if (dh->pub_key && dh->priv_key) {
+ if (wolfSSL_BN_bin2bn(pub, pubSz, dh->pub_key) == NULL)
+ WOLFSSL_MSG("Bad DH bn2bin error pub");
+ else if (wolfSSL_BN_bin2bn(priv, privSz, dh->priv_key) == NULL)
+ WOLFSSL_MSG("Bad DH bn2bin error priv");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+ }
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+ XFREE(pub, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(priv, NULL, DYNAMIC_TYPE_PRIVATE_KEY);
+#endif
+
+ return ret;
+}
+
+
+/* return code compliant with OpenSSL :
+ * size of shared secret if success, -1 if error
+ */
+int wolfSSL_DH_compute_key(unsigned char* key, WOLFSSL_BIGNUM* otherPub,
+ WOLFSSL_DH* dh)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ word32 keySz = 0;
+ word32 pubSz = 1024;
+ word32 privSz = 1024;
+#ifdef WOLFSSL_SMALL_STACK
+ unsigned char* pub = NULL;
+ unsigned char* priv = NULL;
+#else
+ unsigned char pub [1024];
+ unsigned char priv[1024];
+#endif
+
+ WOLFSSL_MSG("wolfSSL_DH_compute_key");
+
+#ifdef WOLFSSL_SMALL_STACK
+ pub = (unsigned char*)XMALLOC(pubSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (pub == NULL)
+ return ret;
+
+ priv = (unsigned char*)XMALLOC(privSz, NULL, DYNAMIC_TYPE_PRIVATE_KEY);
+ if (priv == NULL) {
+ XFREE(pub, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ return ret;
+ }
+#endif
+
+ if (dh == NULL || dh->priv_key == NULL || otherPub == NULL)
+ WOLFSSL_MSG("Bad function arguments");
+ else if ((keySz = (word32)DH_size(dh)) == 0)
+ WOLFSSL_MSG("Bad DH_size");
+ else if (wolfSSL_BN_bn2bin(dh->priv_key, NULL) > (int)privSz)
+ WOLFSSL_MSG("Bad priv internal size");
+ else if (wolfSSL_BN_bn2bin(otherPub, NULL) > (int)pubSz)
+ WOLFSSL_MSG("Bad otherPub size");
+ else {
+ privSz = wolfSSL_BN_bn2bin(dh->priv_key, priv);
+ pubSz = wolfSSL_BN_bn2bin(otherPub, pub);
+ if (dh->inSet == 0 && SetDhInternal(dh) != SSL_SUCCESS){
+ WOLFSSL_MSG("Bad DH set internal");
+ }
+ if (privSz <= 0 || pubSz <= 0)
+ WOLFSSL_MSG("Bad BN2bin set");
+ else if (wc_DhAgree((DhKey*)dh->internal, key, &keySz,
+ priv, privSz, pub, pubSz) < 0)
+ WOLFSSL_MSG("wc_DhAgree failed");
+ else
+ ret = (int)keySz;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(pub, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(priv, NULL, DYNAMIC_TYPE_PRIVATE_KEY);
+#endif
+
+ return ret;
+}
+#endif /* NO_DH */
+
+
+#ifndef NO_DSA
+static void InitwolfSSL_DSA(WOLFSSL_DSA* dsa)
+{
+ if (dsa) {
+ dsa->p = NULL;
+ dsa->q = NULL;
+ dsa->g = NULL;
+ dsa->pub_key = NULL;
+ dsa->priv_key = NULL;
+ dsa->internal = NULL;
+ dsa->inSet = 0;
+ dsa->exSet = 0;
+ }
+}
+
+
+WOLFSSL_DSA* wolfSSL_DSA_new(void)
+{
+ WOLFSSL_DSA* external;
+ DsaKey* key;
+
+ WOLFSSL_MSG("wolfSSL_DSA_new");
+
+ key = (DsaKey*) XMALLOC(sizeof(DsaKey), NULL, DYNAMIC_TYPE_DSA);
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_DSA_new malloc DsaKey failure");
+ return NULL;
+ }
+
+ external = (WOLFSSL_DSA*) XMALLOC(sizeof(WOLFSSL_DSA), NULL,
+ DYNAMIC_TYPE_DSA);
+ if (external == NULL) {
+ WOLFSSL_MSG("wolfSSL_DSA_new malloc WOLFSSL_DSA failure");
+ XFREE(key, NULL, DYNAMIC_TYPE_DSA);
+ return NULL;
+ }
+
+ InitwolfSSL_DSA(external);
+ if (wc_InitDsaKey(key) != 0) {
+ WOLFSSL_MSG("wolfSSL_DSA_new InitDsaKey failure");
+ XFREE(key, NULL, DYNAMIC_TYPE_DSA);
+ wolfSSL_DSA_free(external);
+ return NULL;
+ }
+ external->internal = key;
+
+ return external;
+}
+
+
+void wolfSSL_DSA_free(WOLFSSL_DSA* dsa)
+{
+ WOLFSSL_MSG("wolfSSL_DSA_free");
+
+ if (dsa) {
+ if (dsa->internal) {
+ FreeDsaKey((DsaKey*)dsa->internal);
+ XFREE(dsa->internal, NULL, DYNAMIC_TYPE_DSA);
+ dsa->internal = NULL;
+ }
+ wolfSSL_BN_free(dsa->priv_key);
+ wolfSSL_BN_free(dsa->pub_key);
+ wolfSSL_BN_free(dsa->g);
+ wolfSSL_BN_free(dsa->q);
+ wolfSSL_BN_free(dsa->p);
+ InitwolfSSL_DSA(dsa); /* set back to NULLs for safety */
+
+ XFREE(dsa, NULL, DYNAMIC_TYPE_DSA);
+ dsa = NULL;
+ }
+}
+
+#endif /* NO_DSA */
+
+#endif /* OPENSSL_EXTRA */
+#if !defined(NO_RSA) && defined(OPENSSL_EXTRA_X509_SMALL)
+static void InitwolfSSL_Rsa(WOLFSSL_RSA* rsa)
+{
+ if (rsa) {
+ XMEMSET(rsa, 0, sizeof(WOLFSSL_RSA));
+ }
+}
+
+void wolfSSL_RSA_free(WOLFSSL_RSA* rsa)
+{
+ WOLFSSL_ENTER("wolfSSL_RSA_free");
+
+ if (rsa) {
+ if (rsa->internal) {
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && \
+ !defined(HAVE_FAST_RSA) && defined(WC_RSA_BLINDING)
+ WC_RNG* rng;
+
+ /* check if RNG is owned before freeing it */
+ if (rsa->ownRng) {
+ rng = ((RsaKey*)rsa->internal)->rng;
+ if (rng != NULL && rng != &globalRNG) {
+ wc_FreeRng(rng);
+ XFREE(rng, NULL, DYNAMIC_TYPE_RNG);
+ }
+ }
+#endif /* WC_RSA_BLINDING */
+ wc_FreeRsaKey((RsaKey*)rsa->internal);
+ XFREE(rsa->internal, NULL, DYNAMIC_TYPE_RSA);
+ rsa->internal = NULL;
+ }
+ wolfSSL_BN_free(rsa->iqmp);
+ wolfSSL_BN_free(rsa->dmq1);
+ wolfSSL_BN_free(rsa->dmp1);
+ wolfSSL_BN_free(rsa->q);
+ wolfSSL_BN_free(rsa->p);
+ wolfSSL_BN_free(rsa->d);
+ wolfSSL_BN_free(rsa->e);
+ wolfSSL_BN_free(rsa->n);
+
+ #ifdef WC_RSA_BLINDING
+ if (wc_FreeRng(rsa->rng) != 0) {
+ WOLFSSL_MSG("Issue freeing rng");
+ }
+ XFREE(rsa->rng, NULL, DYNAMIC_TYPE_RNG);
+ #endif
+
+ InitwolfSSL_Rsa(rsa); /* set back to NULLs for safety */
+
+ XFREE(rsa, NULL, DYNAMIC_TYPE_RSA);
+ rsa = NULL;
+ }
+}
+
+WOLFSSL_RSA* wolfSSL_RSA_new(void)
+{
+ WOLFSSL_RSA* external;
+ RsaKey* key;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_new");
+
+ key = (RsaKey*) XMALLOC(sizeof(RsaKey), NULL, DYNAMIC_TYPE_RSA);
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_RSA_new malloc RsaKey failure");
+ return NULL;
+ }
+
+ external = (WOLFSSL_RSA*) XMALLOC(sizeof(WOLFSSL_RSA), NULL,
+ DYNAMIC_TYPE_RSA);
+ if (external == NULL) {
+ WOLFSSL_MSG("wolfSSL_RSA_new malloc WOLFSSL_RSA failure");
+ XFREE(key, NULL, DYNAMIC_TYPE_RSA);
+ return NULL;
+ }
+
+ InitwolfSSL_Rsa(external);
+ if (wc_InitRsaKey(key, NULL) != 0) {
+ WOLFSSL_MSG("InitRsaKey WOLFSSL_RSA failure");
+ XFREE(external, NULL, DYNAMIC_TYPE_RSA);
+ XFREE(key, NULL, DYNAMIC_TYPE_RSA);
+ return NULL;
+ }
+
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && \
+ !defined(HAVE_FAST_RSA) && defined(WC_RSA_BLINDING)
+ {
+ WC_RNG* rng = NULL;
+
+ rng = (WC_RNG*) XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (rng != NULL && wc_InitRng(rng) != 0) {
+ WOLFSSL_MSG("InitRng failure, attempting to use global RNG");
+ XFREE(rng, NULL, DYNAMIC_TYPE_RNG);
+ rng = NULL;
+ }
+
+ external->ownRng = 1;
+ if (rng == NULL && initGlobalRNG) {
+ external->ownRng = 0;
+ rng = &globalRNG;
+ }
+
+ if (rng == NULL) {
+ WOLFSSL_MSG("wolfSSL_RSA_new no WC_RNG for blinding");
+ XFREE(external, NULL, DYNAMIC_TYPE_RSA);
+ XFREE(key, NULL, DYNAMIC_TYPE_RSA);
+ return NULL;
+ }
+
+ wc_RsaSetRNG(key, rng);
+ }
+#endif /* WC_RSA_BLINDING */
+
+ external->internal = key;
+ external->inSet = 0;
+ return external;
+}
+#endif /* !NO_RSA && OPENSSL_EXTRA_X509_SMALL */
+
+/* these defines are to make sure the functions SetIndividualExternal is not
+ * declared and then not used. */
+#if !defined(NO_ASN) || !defined(NO_DSA) || defined(HAVE_ECC) || \
+ (!defined(NO_RSA) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA))
+
+#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
+/* when calling SetIndividualExternal, mpi should be cleared by caller if no
+ * longer used. ie mp_clear(mpi). This is to free data when fastmath is
+ * disabled since a copy of mpi is made by this function and placed into bn.
+ */
+static int SetIndividualExternal(WOLFSSL_BIGNUM** bn, mp_int* mpi)
+{
+ byte dynamic = 0;
+
+ WOLFSSL_MSG("Entering SetIndividualExternal");
+
+ if (mpi == NULL || bn == NULL) {
+ WOLFSSL_MSG("mpi NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (*bn == NULL) {
+ *bn = wolfSSL_BN_new();
+ if (*bn == NULL) {
+ WOLFSSL_MSG("SetIndividualExternal alloc failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ dynamic = 1;
+ }
+
+ if (mp_copy(mpi, (mp_int*)((*bn)->internal)) != MP_OKAY) {
+ WOLFSSL_MSG("mp_copy error");
+ if (dynamic == 1) {
+ wolfSSL_BN_free(*bn);
+ }
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
+
+#ifdef OPENSSL_EXTRA /* only without X509_SMALL */
+static int SetIndividualInternal(WOLFSSL_BIGNUM* bn, mp_int* mpi)
+{
+ WOLFSSL_MSG("Entering SetIndividualInternal");
+
+ if (bn == NULL || bn->internal == NULL) {
+ WOLFSSL_MSG("bn NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (mpi == NULL || (mp_init(mpi) != MP_OKAY)) {
+ WOLFSSL_MSG("mpi NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (mp_copy((mp_int*)bn->internal, mpi) != MP_OKAY) {
+ WOLFSSL_MSG("mp_copy error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+#ifndef NO_ASN
+WOLFSSL_BIGNUM *wolfSSL_ASN1_INTEGER_to_BN(const WOLFSSL_ASN1_INTEGER *ai,
+ WOLFSSL_BIGNUM *bn)
+{
+ mp_int mpi;
+ word32 idx = 0;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_INTEGER_to_BN");
+
+ if (ai == NULL) {
+ return NULL;
+ }
+
+ if ((ret = GetInt(&mpi, ai->data, &idx, ai->dataMax)) != 0) {
+ /* expecting ASN1 format for INTEGER */
+ WOLFSSL_LEAVE("wolfSSL_ASN1_INTEGER_to_BN", ret);
+ return NULL;
+ }
+
+ /* mp_clear needs called because mpi is copied and causes memory leak with
+ * --disable-fastmath */
+ ret = SetIndividualExternal(&bn, &mpi);
+ mp_clear(&mpi);
+
+ if (ret != WOLFSSL_SUCCESS) {
+ return NULL;
+ }
+ return bn;
+}
+#endif /* !NO_ASN */
+
+#if !defined(NO_DSA) && !defined(NO_DH)
+WOLFSSL_DH *wolfSSL_DSA_dup_DH(const WOLFSSL_DSA *dsa)
+{
+ WOLFSSL_DH* dh;
+ DhKey* key;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_dup_DH");
+
+ if (dsa == NULL) {
+ return NULL;
+ }
+
+ dh = wolfSSL_DH_new();
+ if (dh == NULL) {
+ return NULL;
+ }
+ key = (DhKey*)dh->internal;
+
+ if (dsa->p != NULL &&
+ SetIndividualInternal(((WOLFSSL_DSA*)dsa)->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa p key error");
+ wolfSSL_DH_free(dh);
+ return NULL;
+ }
+ if (dsa->g != NULL &&
+ SetIndividualInternal(((WOLFSSL_DSA*)dsa)->g, &key->g) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa g key error");
+ wolfSSL_DH_free(dh);
+ return NULL;
+ }
+
+ if (SetIndividualExternal(&dh->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa p key error");
+ wolfSSL_DH_free(dh);
+ return NULL;
+ }
+ if (SetIndividualExternal(&dh->g, &key->g) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa g key error");
+ wolfSSL_DH_free(dh);
+ return NULL;
+ }
+
+ return dh;
+}
+#endif /* !defined(NO_DSA) && !defined(NO_DH) */
+
+#endif /* OPENSSL_EXTRA */
+#endif /* !NO_RSA && !NO_DSA */
+
+#ifdef OPENSSL_EXTRA
+
+#ifndef NO_DSA
+/* wolfSSL -> OpenSSL */
+static int SetDsaExternal(WOLFSSL_DSA* dsa)
+{
+ DsaKey* key;
+ WOLFSSL_MSG("Entering SetDsaExternal");
+
+ if (dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("dsa key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (DsaKey*)dsa->internal;
+
+ if (SetIndividualExternal(&dsa->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa p key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&dsa->q, &key->q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa q key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&dsa->g, &key->g) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa g key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&dsa->pub_key, &key->y) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa y key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&dsa->priv_key, &key->x) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa x key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ dsa->exSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* Openssl -> WolfSSL */
+static int SetDsaInternal(WOLFSSL_DSA* dsa)
+{
+ DsaKey* key;
+ WOLFSSL_MSG("Entering SetDsaInternal");
+
+ if (dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("dsa key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (DsaKey*)dsa->internal;
+
+ if (dsa->p != NULL &&
+ SetIndividualInternal(dsa->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa p key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (dsa->q != NULL &&
+ SetIndividualInternal(dsa->q, &key->q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa q key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (dsa->g != NULL &&
+ SetIndividualInternal(dsa->g, &key->g) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa g key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (dsa->pub_key != NULL) {
+ if (SetIndividualInternal(dsa->pub_key, &key->y) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa pub_key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* public key */
+ key->type = DSA_PUBLIC;
+ }
+
+ if (dsa->priv_key != NULL) {
+ if (SetIndividualInternal(dsa->priv_key, &key->x) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa priv_key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* private key */
+ key->type = DSA_PRIVATE;
+ }
+
+ dsa->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_DSA */
+#endif /* OPENSSL_EXTRA */
+
+#if !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA) && \
+ !defined(NO_RSA) && (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
+/* WolfSSL -> OpenSSL */
+static int SetRsaExternal(WOLFSSL_RSA* rsa)
+{
+ RsaKey* key;
+ WOLFSSL_MSG("Entering SetRsaExternal");
+
+ if (rsa == NULL || rsa->internal == NULL) {
+ WOLFSSL_MSG("rsa key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (RsaKey*)rsa->internal;
+
+ if (SetIndividualExternal(&rsa->n, &key->n) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa n key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&rsa->e, &key->e) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa e key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (key->type == RSA_PRIVATE) {
+ if (SetIndividualExternal(&rsa->d, &key->d) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa d key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&rsa->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa p key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&rsa->q, &key->q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa q key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ #ifndef RSA_LOW_MEM
+ if (SetIndividualExternal(&rsa->dmp1, &key->dP) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa dP key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&rsa->dmq1, &key->dQ) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa dQ key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&rsa->iqmp, &key->u) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa u key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ #endif /* !RSA_LOW_MEM */
+ }
+ rsa->exSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+#ifdef OPENSSL_EXTRA
+#if !defined(NO_RSA)
+#if !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+/* Openssl -> WolfSSL */
+static int SetRsaInternal(WOLFSSL_RSA* rsa)
+{
+ RsaKey* key;
+ WOLFSSL_MSG("Entering SetRsaInternal");
+
+ if (rsa == NULL || rsa->internal == NULL) {
+ WOLFSSL_MSG("rsa key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (RsaKey*)rsa->internal;
+
+ if (SetIndividualInternal(rsa->n, &key->n) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa n key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualInternal(rsa->e, &key->e) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa e key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* public key */
+ key->type = RSA_PUBLIC;
+
+ if (rsa->d != NULL) {
+ if (SetIndividualInternal(rsa->d, &key->d) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa d key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* private key */
+ key->type = RSA_PRIVATE;
+ }
+
+ if (rsa->p != NULL &&
+ SetIndividualInternal(rsa->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa p key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (rsa->q != NULL &&
+ SetIndividualInternal(rsa->q, &key->q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa q key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+#ifndef RSA_LOW_MEM
+ if (rsa->dmp1 != NULL &&
+ SetIndividualInternal(rsa->dmp1, &key->dP) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa dP key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (rsa->dmq1 != NULL &&
+ SetIndividualInternal(rsa->dmq1, &key->dQ) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa dQ key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (rsa->iqmp != NULL &&
+ SetIndividualInternal(rsa->iqmp, &key->u) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("rsa u key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+#endif /* !RSA_LOW_MEM */
+
+ rsa->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* SSL_SUCCESS on ok */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_RSA_blinding_on(WOLFSSL_RSA* rsa, WOLFSSL_BN_CTX* bn)
+{
+ (void)rsa;
+ (void)bn;
+ WOLFSSL_STUB("RSA_blinding_on");
+ WOLFSSL_MSG("wolfSSL_RSA_blinding_on");
+
+ return WOLFSSL_SUCCESS; /* on by default */
+}
+#endif
+
+/* return compliant with OpenSSL
+ * size of encrypted data if success , -1 if error
+ */
+int wolfSSL_RSA_public_encrypt(int len, const unsigned char* fr,
+ unsigned char* to, WOLFSSL_RSA* rsa, int padding)
+{
+ int initTmpRng = 0;
+ WC_RNG *rng = NULL;
+ int outLen;
+ int ret = 0;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ int mgf = WC_MGF1NONE;
+ enum wc_HashType hash = WC_HASH_TYPE_NONE;
+#endif
+
+ WOLFSSL_MSG("wolfSSL_RSA_public_encrypt");
+
+ /* Check and remap the padding to internal values, if needed. */
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ if (padding == RSA_PKCS1_PADDING)
+ padding = WC_RSA_PKCSV15_PAD;
+ else if (padding == RSA_PKCS1_OAEP_PADDING) {
+ padding = WC_RSA_OAEP_PAD;
+ hash = WC_HASH_TYPE_SHA;
+ mgf = WC_MGF1SHA1;
+ }
+#else
+ if (padding == RSA_PKCS1_PADDING)
+ ;
+#endif
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_public_encrypt unsupported padding");
+ return 0;
+ }
+
+ if (rsa->inSet == 0)
+ {
+ if (SetRsaInternal(rsa) != SSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+
+ outLen = wolfSSL_RSA_size(rsa);
+
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && \
+ !defined(HAVE_FAST_RSA) && defined(WC_RSA_BLINDING)
+ rng = ((RsaKey*)rsa->internal)->rng;
+#endif
+ if (rng == NULL) {
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (tmpRNG == NULL)
+ return 0;
+#endif
+
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+ }
+
+ if (outLen == 0) {
+ WOLFSSL_MSG("Bad RSA size");
+ }
+
+ if (rng) {
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ ret = wc_RsaPublicEncrypt_ex(fr, len, to, outLen,
+ (RsaKey*)rsa->internal, rng, padding,
+ hash, mgf, NULL, 0);
+#else
+ ret = wc_RsaPublicEncrypt(fr, len, to, outLen,
+ (RsaKey*)rsa->internal, rng);
+#endif
+ if (ret <= 0) {
+ WOLFSSL_MSG("Bad Rsa Encrypt");
+ }
+ if (len <= 0) {
+ WOLFSSL_MSG("Bad Rsa Encrypt");
+ }
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+#endif
+
+ if (ret >= 0)
+ WOLFSSL_MSG("wolfSSL_RSA_public_encrypt success");
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_public_encrypt failed");
+ ret = WOLFSSL_FATAL_ERROR; /* return -1 on error case */
+ }
+ return ret;
+}
+
+/* return compliant with OpenSSL
+ * size of plain recovered data if success , -1 if error
+ */
+int wolfSSL_RSA_private_decrypt(int len, const unsigned char* fr,
+ unsigned char* to, WOLFSSL_RSA* rsa, int padding)
+{
+ int outLen;
+ int ret = 0;
+ #if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ int mgf = WC_MGF1NONE;
+ enum wc_HashType hash = WC_HASH_TYPE_NONE;
+ #endif
+
+ WOLFSSL_MSG("wolfSSL_RSA_private_decrypt");
+
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ if (padding == RSA_PKCS1_PADDING)
+ padding = WC_RSA_PKCSV15_PAD;
+ else if (padding == RSA_PKCS1_OAEP_PADDING) {
+ padding = WC_RSA_OAEP_PAD;
+ hash = WC_HASH_TYPE_SHA;
+ mgf = WC_MGF1SHA1;
+ }
+#else
+ if (padding == RSA_PKCS1_PADDING)
+ ;
+#endif
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_private_decrypt unsupported padding");
+ return 0;
+ }
+
+ if (rsa->inSet == 0)
+ {
+ if (SetRsaInternal(rsa) != SSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+
+ outLen = wolfSSL_RSA_size(rsa);
+ if (outLen == 0) {
+ WOLFSSL_MSG("Bad RSA size");
+ }
+
+ /* size of 'to' buffer must be size of RSA key */
+#if !defined(HAVE_FIPS) && !defined(HAVE_USER_RSA) && !defined(HAVE_FAST_RSA)
+ ret = wc_RsaPrivateDecrypt_ex(fr, len, to, outLen,
+ (RsaKey*)rsa->internal, padding,
+ hash, mgf, NULL, 0);
+#else
+ ret = wc_RsaPrivateDecrypt(fr, len, to, outLen,
+ (RsaKey*)rsa->internal);
+#endif
+
+ if (len <= 0) {
+ WOLFSSL_MSG("Bad Rsa Decrypt");
+ }
+
+ if (ret > 0)
+ WOLFSSL_MSG("wolfSSL_RSA_private_decrypt success");
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_private_decrypt failed");
+ ret = WOLFSSL_FATAL_ERROR;
+ }
+ return ret;
+}
+
+
+/* RSA private encrypt calls wc_RsaSSL_Sign. Similar function set up as RSA
+ * public decrypt.
+ *
+ * len Length of input buffer
+ * in Input buffer to sign
+ * out Output buffer (expected to be greater than or equal to RSA key size)
+ * rsa Key to use for encryption
+ * padding Type of RSA padding to use.
+ */
+int wolfSSL_RSA_private_encrypt(int len, unsigned char* in,
+ unsigned char* out, WOLFSSL_RSA* rsa, int padding)
+{
+ int sz = 0;
+ WC_RNG* rng = NULL;
+ RsaKey* key;
+
+ WOLFSSL_MSG("wolfSSL_RSA_private_encrypt");
+
+ if (len < 0 || rsa == NULL || rsa->internal == NULL || in == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return 0;
+ }
+
+ if (padding != RSA_PKCS1_PADDING) {
+ WOLFSSL_MSG("wolfSSL_RSA_private_encrypt unsupported padding");
+ return 0;
+ }
+
+ if (rsa->inSet == 0)
+ {
+ WOLFSSL_MSG("Setting internal RSA structure");
+
+ if (SetRsaInternal(rsa) != SSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+
+ key = (RsaKey*)rsa->internal;
+ #if defined(WC_RSA_BLINDING) && !defined(HAVE_USER_RSA)
+ rng = key->rng;
+ #else
+#ifndef HAVE_FIPS
+ if (wc_InitRng_ex(rng, key->heap, INVALID_DEVID) != 0) {
+#else
+ if (wc_InitRng(rng) != 0) {
+#endif
+ WOLFSSL_MSG("Error with random number");
+ return SSL_FATAL_ERROR;
+ }
+ #endif
+
+ /* size of output buffer must be size of RSA key */
+ sz = wc_RsaSSL_Sign(in, (word32)len, out, wolfSSL_RSA_size(rsa), key, rng);
+ #if !defined(WC_RSA_BLINDING) || defined(HAVE_USER_RSA)
+ if (wc_FreeRng(rng) != 0) {
+ WOLFSSL_MSG("Error freeing random number generator");
+ return SSL_FATAL_ERROR;
+ }
+ #endif
+ if (sz <= 0) {
+ WOLFSSL_LEAVE("wolfSSL_RSA_private_encrypt", sz);
+ return 0;
+ }
+
+ return sz;
+}
+#endif /* HAVE_USER_RSA */
+
+/* return compliant with OpenSSL
+ * RSA modulus size in bytes, -1 if error
+ */
+int wolfSSL_RSA_size(const WOLFSSL_RSA* rsa)
+{
+ WOLFSSL_ENTER("wolfSSL_RSA_size");
+
+ if (rsa == NULL)
+ return WOLFSSL_FATAL_ERROR;
+ if (rsa->inSet == 0)
+ {
+ if (SetRsaInternal((WOLFSSL_RSA*)rsa) != SSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+ return wc_RsaEncryptSize((RsaKey*)rsa->internal);
+}
+
+
+/* Generates a RSA key of length len
+ *
+ * len length of RSA key i.e. 2048
+ * e e to use when generating RSA key
+ * f callback function for generation details
+ * data user callback argument
+ *
+ * Note: Because of wc_MakeRsaKey an RSA key size generated can be slightly
+ * rounded down. For example generating a key of size 2999 with e =
+ * 65537 will make a key of size 374 instead of 375.
+ * Returns a new RSA key on success and NULL on failure
+ */
+WOLFSSL_RSA* wolfSSL_RSA_generate_key(int len, unsigned long e,
+ void(*f)(int, int, void*), void* data)
+{
+ WOLFSSL_RSA* rsa = NULL;
+ WOLFSSL_BIGNUM* bn = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_generate_key");
+
+ (void)f;
+ (void)data;
+
+ if (len < 0) {
+ WOLFSSL_MSG("Bad argument: length was less than 0");
+ return NULL;
+ }
+
+ bn = wolfSSL_BN_new();
+ if (bn == NULL) {
+ WOLFSSL_MSG("Error creating big number");
+ return NULL;
+ }
+
+ if (wolfSSL_BN_set_word(bn, (WOLFSSL_BN_ULONG)e) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Error using e value");
+ wolfSSL_BN_free(bn);
+ return NULL;
+ }
+
+ rsa = wolfSSL_RSA_new();
+ if (rsa == NULL) {
+ WOLFSSL_MSG("memory error");
+ }
+ else {
+ if (wolfSSL_RSA_generate_key_ex(rsa, len, bn, NULL) != SSL_SUCCESS){
+ wolfSSL_RSA_free(rsa);
+ rsa = NULL;
+ }
+ }
+ wolfSSL_BN_free(bn);
+
+ return rsa;
+}
+
+
+/* return compliant with OpenSSL
+ * 1 if success, 0 if error
+ */
+int wolfSSL_RSA_generate_key_ex(WOLFSSL_RSA* rsa, int bits, WOLFSSL_BIGNUM* bn,
+ void* cb)
+{
+ int ret = WOLFSSL_FAILURE;
+
+ (void)cb;
+ (void)bn;
+ (void)bits;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_generate_key_ex");
+
+ if (rsa == NULL || rsa->internal == NULL) {
+ /* bit size checked during make key call */
+ WOLFSSL_MSG("bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+#ifdef WOLFSSL_KEY_GEN
+ {
+ #ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* rng = NULL;
+ #else
+ WC_RNG rng[1];
+ #endif
+
+ #ifdef WOLFSSL_SMALL_STACK
+ rng = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (rng == NULL)
+ return WOLFSSL_FAILURE;
+ #endif
+
+ if (wc_InitRng(rng) < 0)
+ WOLFSSL_MSG("RNG init failed");
+ else if (wc_MakeRsaKey((RsaKey*)rsa->internal, bits,
+ wolfSSL_BN_get_word(bn), rng) != MP_OKAY)
+ WOLFSSL_MSG("wc_MakeRsaKey failed");
+ else if (SetRsaExternal(rsa) != WOLFSSL_SUCCESS)
+ WOLFSSL_MSG("SetRsaExternal failed");
+ else {
+ rsa->inSet = 1;
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ wc_FreeRng(rng);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(rng, NULL, DYNAMIC_TYPE_RNG);
+ #endif
+ }
+#else
+ WOLFSSL_MSG("No Key Gen built in");
+#endif
+ return ret;
+}
+#endif /* NO_RSA */
+
+#ifndef NO_DSA
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_DSA_generate_key(WOLFSSL_DSA* dsa)
+{
+ int ret = WOLFSSL_FAILURE;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_generate_key");
+
+ if (dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (dsa->inSet == 0) {
+ WOLFSSL_MSG("No DSA internal set, do it");
+
+ if (SetDsaInternal(dsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaInternal failed");
+ return ret;
+ }
+ }
+
+#ifdef WOLFSSL_KEY_GEN
+ {
+ int initTmpRng = 0;
+ WC_RNG *rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG *tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return WOLFSSL_FATAL_ERROR;
+#endif
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ if (wc_MakeDsaKey(rng, (DsaKey*)dsa->internal) != MP_OKAY)
+ WOLFSSL_MSG("wc_MakeDsaKey failed");
+ else if (SetDsaExternal(dsa) != WOLFSSL_SUCCESS)
+ WOLFSSL_MSG("SetDsaExternal failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+ }
+#else /* WOLFSSL_KEY_GEN */
+ WOLFSSL_MSG("No Key Gen built in");
+#endif
+ return ret;
+}
+
+
+/* Returns a pointer to a new WOLFSSL_DSA structure on success and NULL on fail
+ */
+WOLFSSL_DSA* wolfSSL_DSA_generate_parameters(int bits, unsigned char* seed,
+ int seedLen, int* counterRet, unsigned long* hRet,
+ WOLFSSL_BN_CB cb, void* CBArg)
+{
+ WOLFSSL_DSA* dsa;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_generate_parameters()");
+
+ (void)cb;
+ (void)CBArg;
+ dsa = wolfSSL_DSA_new();
+ if (dsa == NULL) {
+ return NULL;
+ }
+
+ if (wolfSSL_DSA_generate_parameters_ex(dsa, bits, seed, seedLen,
+ counterRet, hRet, NULL) != SSL_SUCCESS) {
+ wolfSSL_DSA_free(dsa);
+ return NULL;
+ }
+
+ return dsa;
+}
+
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_DSA_generate_parameters_ex(WOLFSSL_DSA* dsa, int bits,
+ unsigned char* seed, int seedLen,
+ int* counterRet,
+ unsigned long* hRet, void* cb)
+{
+ int ret = WOLFSSL_FAILURE;
+
+ (void)bits;
+ (void)seed;
+ (void)seedLen;
+ (void)counterRet;
+ (void)hRet;
+ (void)cb;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_generate_parameters_ex");
+
+ if (dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+#ifdef WOLFSSL_KEY_GEN
+ {
+ int initTmpRng = 0;
+ WC_RNG *rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG *tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return WOLFSSL_FATAL_ERROR;
+#endif
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ if (wc_MakeDsaParameters(rng, bits,
+ (DsaKey*)dsa->internal) != MP_OKAY)
+ WOLFSSL_MSG("wc_MakeDsaParameters failed");
+ else if (SetDsaExternal(dsa) != WOLFSSL_SUCCESS)
+ WOLFSSL_MSG("SetDsaExternal failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+ }
+#else /* WOLFSSL_KEY_GEN */
+ WOLFSSL_MSG("No Key Gen built in");
+#endif
+
+ return ret;
+}
+
+/* return WOLFSSL_SUCCESS on success, < 0 otherwise */
+int wolfSSL_DSA_do_sign(const unsigned char* d, unsigned char* sigRet,
+ WOLFSSL_DSA* dsa)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_DSA_do_sign");
+
+ if (d == NULL || sigRet == NULL || dsa == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return ret;
+ }
+
+ if (dsa->inSet == 0)
+ {
+ WOLFSSL_MSG("No DSA internal set, do it");
+
+ if (SetDsaInternal(dsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaInternal failed");
+ return ret;
+ }
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return WOLFSSL_FATAL_ERROR;
+#endif
+
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ if (DsaSign(d, sigRet, (DsaKey*)dsa->internal, rng) < 0)
+ WOLFSSL_MSG("DsaSign failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return ret;
+}
+
+
+int wolfSSL_DSA_do_verify(const unsigned char* d, unsigned char* sig,
+ WOLFSSL_DSA* dsa, int *dsacheck)
+{
+ int ret = WOLFSSL_FATAL_ERROR;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_do_verify");
+
+ if (d == NULL || sig == NULL || dsa == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ if (dsa->inSet == 0)
+ {
+ WOLFSSL_MSG("No DSA internal set, do it");
+
+ if (SetDsaInternal(dsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaInternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ ret = DsaVerify(d, sig, (DsaKey*)dsa->internal, dsacheck);
+ if (ret != 0 || *dsacheck != 1) {
+ WOLFSSL_MSG("DsaVerify failed");
+ return ret;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_DSA */
+
+
+#if !defined(NO_RSA) && !defined(HAVE_USER_RSA)
+
+#ifdef DEBUG_SIGN
+static void show(const char *title, const unsigned char *out, unsigned int outlen)
+{
+ const unsigned char *pt;
+ printf("%s[%d] = \n", title, (int)outlen);
+ outlen = outlen>100?100:outlen;
+ for (pt = out; pt < out + outlen;
+ printf("%c", ((*pt)&0x6f)>='A'?((*pt)&0x6f):'.'), pt++);
+ printf("\n");
+}
+#else
+#define show(a,b,c)
+#endif
+
+/* return SSL_SUCCES on ok, 0 otherwise */
+int wolfSSL_RSA_sign(int type, const unsigned char* m,
+ unsigned int mLen, unsigned char* sigRet,
+ unsigned int* sigLen, WOLFSSL_RSA* rsa)
+{
+ return wolfSSL_RSA_sign_ex(type, m, mLen, sigRet, sigLen, rsa, 1);
+}
+
+int wolfSSL_RSA_sign_ex(int type, const unsigned char* m,
+ unsigned int mLen, unsigned char* sigRet,
+ unsigned int* sigLen, WOLFSSL_RSA* rsa, int flag)
+{
+ word32 outLen;
+ word32 signSz;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+ int ret = 0;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+ byte* encodedSig = NULL;
+#else
+ WC_RNG tmpRNG[1];
+ byte encodedSig[MAX_ENCODED_SIG_SZ];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_RSA_sign");
+
+ if (m == NULL || sigRet == NULL || sigLen == NULL || rsa == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return 0;
+ }
+ show("Message to Sign", m, mLen);
+
+ switch (type) {
+ #ifdef WOLFSSL_MD2
+ case NID_md2: type = MD2h; break;
+ #endif
+ #ifndef NO_MD5
+ case NID_md5: type = MD5h; break;
+ #endif
+ #ifndef NO_SHA
+ case NID_sha1: type = SHAh; break;
+ #endif
+ #ifndef NO_SHA256
+ case NID_sha256: type = SHA256h; break;
+ #endif
+ #ifdef WOLFSSL_SHA384
+ case NID_sha384: type = SHA384h; break;
+ #endif
+ #ifdef WOLFSSL_SHA512
+ case NID_sha512: type = SHA512h; break;
+ #endif
+ default:
+ WOLFSSL_MSG("This NID (md type) not configured or not implemented");
+ return 0;
+ }
+
+ if (rsa->inSet == 0)
+ {
+ WOLFSSL_MSG("No RSA internal set, do it");
+
+ if (SetRsaInternal(rsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+
+ outLen = (word32)wolfSSL_BN_num_bytes(rsa->n);
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return 0;
+
+ encodedSig = (byte*)XMALLOC(MAX_ENCODED_SIG_SZ, NULL,
+ DYNAMIC_TYPE_SIGNATURE);
+ if (encodedSig == NULL) {
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+ return 0;
+ }
+#endif
+
+ if (outLen == 0)
+ WOLFSSL_MSG("Bad RSA size");
+ else if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+
+ signSz = wc_EncodeSignature(encodedSig, m, mLen, type);
+ if (signSz == 0) {
+ WOLFSSL_MSG("Bad Encode Signature");
+ }
+ else {
+ show("Encoded Message", encodedSig, signSz);
+ if (flag != 0) {
+ ret = wc_RsaSSL_Sign(encodedSig, signSz, sigRet, outLen,
+ (RsaKey*)rsa->internal, rng);
+ if (ret <= 0) {
+ WOLFSSL_MSG("Bad Rsa Sign");
+ ret = 0;
+ }
+ else {
+ *sigLen = (unsigned int)ret;
+ ret = SSL_SUCCESS;
+ show("Signature", sigRet, *sigLen);
+ }
+ } else {
+ ret = SSL_SUCCESS;
+ XMEMCPY(sigRet, encodedSig, signSz);
+ *sigLen = signSz;
+ }
+ }
+
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+ XFREE(encodedSig, NULL, DYNAMIC_TYPE_SIGNATURE);
+#endif
+
+ if (ret == WOLFSSL_SUCCESS)
+ WOLFSSL_MSG("wolfSSL_RSA_sign success");
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_sign failed");
+ }
+ return ret;
+}
+
+
+/* returns WOLFSSL_SUCCESS on successful verify and WOLFSSL_FAILURE on fail */
+int wolfSSL_RSA_verify(int type, const unsigned char* m,
+ unsigned int mLen, const unsigned char* sig,
+ unsigned int sigLen, WOLFSSL_RSA* rsa)
+{
+ int ret;
+ unsigned char *sigRet ;
+ unsigned char *sigDec ;
+ unsigned int len;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_verify");
+ if ((m == NULL) || (sig == NULL)) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ sigRet = (unsigned char *)XMALLOC(sigLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (sigRet == NULL) {
+ WOLFSSL_MSG("Memory failure");
+ return WOLFSSL_FAILURE;
+ }
+ sigDec = (unsigned char *)XMALLOC(sigLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (sigDec == NULL) {
+ WOLFSSL_MSG("Memory failure");
+ XFREE(sigRet, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ /* get non-encrypted signature to be compared with decrypted sugnature*/
+ ret = wolfSSL_RSA_sign_ex(type, m, mLen, sigRet, &len, rsa, 0);
+ if (ret <= 0) {
+ WOLFSSL_MSG("Message Digest Error");
+ XFREE(sigRet, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(sigDec, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ show("Encoded Message", sigRet, len);
+ /* decrypt signature */
+ ret = wc_RsaSSL_Verify(sig, sigLen, (unsigned char *)sigDec, sigLen,
+ (RsaKey*)rsa->internal);
+ if (ret <= 0) {
+ WOLFSSL_MSG("RSA Decrypt error");
+ XFREE(sigRet, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(sigDec, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ show("Decrypted Signature", sigDec, ret);
+
+ if ((int)len == ret && XMEMCMP(sigRet, sigDec, ret) == 0) {
+ WOLFSSL_MSG("wolfSSL_RSA_verify success");
+ XFREE(sigRet, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(sigDec, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_SUCCESS;
+ }
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_verify failed");
+ XFREE(sigRet, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(sigDec, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+}
+
+int wolfSSL_RSA_public_decrypt(int flen, const unsigned char* from,
+ unsigned char* to, WOLFSSL_RSA* rsa, int padding)
+{
+ int tlen = 0;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_public_decrypt");
+
+ if (rsa == NULL || rsa->internal == NULL || from == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return 0;
+ }
+
+ if (padding != RSA_PKCS1_PADDING) {
+ WOLFSSL_MSG("wolfSSL_RSA_public_decrypt unsupported padding");
+ return 0;
+ }
+
+ if (rsa->inSet == 0)
+ {
+ WOLFSSL_MSG("No RSA internal set, do it");
+
+ if (SetRsaInternal(rsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return 0;
+ }
+ }
+
+ /* size of 'to' buffer must be size of RSA key */
+ tlen = wc_RsaSSL_Verify(from, flen, to, wolfSSL_RSA_size(rsa),
+ (RsaKey*)rsa->internal);
+ if (tlen <= 0)
+ WOLFSSL_MSG("wolfSSL_RSA_public_decrypt failed");
+ else {
+ WOLFSSL_MSG("wolfSSL_RSA_public_decrypt success");
+ }
+ return tlen;
+}
+
+
+/* generate p-1 and q-1, WOLFSSL_SUCCESS on ok */
+int wolfSSL_RSA_GenAdd(WOLFSSL_RSA* rsa)
+{
+ int err;
+ mp_int tmp;
+
+ WOLFSSL_MSG("wolfSSL_RsaGenAdd");
+
+ if (rsa == NULL || rsa->p == NULL || rsa->q == NULL || rsa->d == NULL ||
+ rsa->dmp1 == NULL || rsa->dmq1 == NULL) {
+ WOLFSSL_MSG("rsa no init error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (mp_init(&tmp) != MP_OKAY) {
+ WOLFSSL_MSG("mp_init error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ err = mp_sub_d((mp_int*)rsa->p->internal, 1, &tmp);
+ if (err != MP_OKAY) {
+ WOLFSSL_MSG("mp_sub_d error");
+ }
+ else
+ err = mp_mod((mp_int*)rsa->d->internal, &tmp,
+ (mp_int*)rsa->dmp1->internal);
+
+ if (err != MP_OKAY) {
+ WOLFSSL_MSG("mp_mod error");
+ }
+ else
+ err = mp_sub_d((mp_int*)rsa->q->internal, 1, &tmp);
+ if (err != MP_OKAY) {
+ WOLFSSL_MSG("mp_sub_d error");
+ }
+ else
+ err = mp_mod((mp_int*)rsa->d->internal, &tmp,
+ (mp_int*)rsa->dmq1->internal);
+
+ mp_clear(&tmp);
+
+ if (err == MP_OKAY)
+ return WOLFSSL_SUCCESS;
+ else
+ return WOLFSSL_FATAL_ERROR;
+}
+#endif /* NO_RSA */
+
+int wolfSSL_HMAC_CTX_Init(WOLFSSL_HMAC_CTX* ctx)
+{
+ WOLFSSL_MSG("wolfSSL_HMAC_CTX_Init");
+
+ if (ctx != NULL) {
+ /* wc_HmacSetKey sets up ctx->hmac */
+ XMEMSET(ctx, 0, sizeof(WOLFSSL_HMAC_CTX));
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_HMAC_Init_ex(WOLFSSL_HMAC_CTX* ctx, const void* key,
+ int keylen, const EVP_MD* type, WOLFSSL_ENGINE* e)
+{
+ WOLFSSL_ENTER("wolfSSL_HMAC_Init_ex");
+
+ /* WOLFSSL_ENGINE not used, call wolfSSL_HMAC_Init */
+ (void)e;
+ return wolfSSL_HMAC_Init(ctx, key, keylen, type);
+}
+
+
+/* Deep copy of information from src to des structure
+ *
+ * des destination to copy information to
+ * src structure to get infromation from
+ *
+ * Returns SSL_SUCCESS on success and SSL_FAILURE on error
+ */
+int wolfSSL_HMAC_CTX_copy(WOLFSSL_HMAC_CTX* des, WOLFSSL_HMAC_CTX* src)
+{
+ void* heap = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_HMAC_CTX_copy");
+
+ if (des == NULL || src == NULL) {
+ return SSL_FAILURE;
+ }
+
+#ifndef HAVE_FIPS
+ heap = src->hmac.heap;
+#endif
+
+ if (wc_HmacInit(&des->hmac, heap, 0) != 0) {
+ WOLFSSL_MSG("Error initializing HMAC");
+ return SSL_FAILURE;
+ }
+
+ des->type = src->type;
+
+ /* requires that hash structures have no dynamic parts to them */
+ switch (src->hmac.macType) {
+ #ifndef NO_MD5
+ case WC_MD5:
+ XMEMCPY(&des->hmac.hash.md5, &src->hmac.hash.md5, sizeof(wc_Md5));
+ break;
+ #endif /* !NO_MD5 */
+
+ #ifndef NO_SHA
+ case WC_SHA:
+ XMEMCPY(&des->hmac.hash.sha, &src->hmac.hash.sha, sizeof(wc_Sha));
+ break;
+ #endif /* !NO_SHA */
+
+ #ifdef WOLFSSL_SHA224
+ case WC_SHA224:
+ XMEMCPY(&des->hmac.hash.sha224, &src->hmac.hash.sha224,
+ sizeof(wc_Sha224));
+ break;
+ #endif /* WOLFSSL_SHA224 */
+
+ #ifndef NO_SHA256
+ case WC_SHA256:
+ XMEMCPY(&des->hmac.hash.sha256, &src->hmac.hash.sha256,
+ sizeof(wc_Sha256));
+ break;
+ #endif /* !NO_SHA256 */
+
+ #ifdef WOLFSSL_SHA384
+ case WC_SHA384:
+ XMEMCPY(&des->hmac.hash.sha384, &src->hmac.hash.sha384,
+ sizeof(wc_Sha384));
+ break;
+ #endif /* WOLFSSL_SHA384 */
+ #ifdef WOLFSSL_SHA512
+ case WC_SHA512:
+ XMEMCPY(&des->hmac.hash.sha512, &src->hmac.hash.sha512,
+ sizeof(wc_Sha512));
+ break;
+ #endif /* WOLFSSL_SHA512 */
+
+ default:
+ WOLFSSL_MSG("Unknown or unsupported hash type");
+ return WOLFSSL_FAILURE;
+ }
+
+ XMEMCPY((byte*)des->hmac.ipad, (byte*)src->hmac.ipad, WC_HMAC_BLOCK_SIZE);
+ XMEMCPY((byte*)des->hmac.opad, (byte*)src->hmac.opad, WC_HMAC_BLOCK_SIZE);
+ XMEMCPY((byte*)des->hmac.innerHash, (byte*)src->hmac.innerHash,
+ WC_MAX_DIGEST_SIZE);
+#ifndef HAVE_FIPS
+ des->hmac.heap = heap;
+#endif
+ des->hmac.macType = src->hmac.macType;
+ des->hmac.innerHashKeyed = src->hmac.innerHashKeyed;
+ XMEMCPY((byte *)&des->save_ipad, (byte *)&src->hmac.ipad,
+ WC_HMAC_BLOCK_SIZE);
+ XMEMCPY((byte *)&des->save_opad, (byte *)&src->hmac.opad,
+ WC_HMAC_BLOCK_SIZE);
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+ XMEMCPY(&des->hmac.asyncDev, &src->hmac.asyncDev, sizeof(WC_ASYNC_DEV));
+ des->hmac.keyLen = src->hmac.keyLen;
+ #ifdef HAVE_CAVIUM
+ des->hmac.data = (byte*)XMALLOC(src->hmac.dataLen, des->hmac.heap,
+ DYNAMIC_TYPE_HMAC);
+ if (des->hmac.data == NULL) {
+ return BUFFER_E;
+ }
+ XMEMCPY(des->hmac.data, src->hmac.data, src->hmac.dataLen);
+ des->hmac.dataLen = src->hmac.dataLen;
+ #endif /* HAVE_CAVIUM */
+#endif /* WOLFSSL_ASYNC_CRYPT */
+ return WOLFSSL_SUCCESS;
+}
+
+#if defined(HAVE_FIPS) && \
+ (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
+
+static int _HMAC_Init(Hmac* hmac, int type, void* heap)
+{
+ int ret = 0;
+
+ switch (type) {
+ #ifndef NO_MD5
+ case WC_MD5:
+ ret = wc_InitMd5(&hmac->hash.md5);
+ break;
+ #endif /* !NO_MD5 */
+
+ #ifndef NO_SHA
+ case WC_SHA:
+ ret = wc_InitSha(&hmac->hash.sha);
+ break;
+ #endif /* !NO_SHA */
+
+ #ifdef WOLFSSL_SHA224
+ case WC_SHA224:
+ ret = wc_InitSha224(&hmac->hash.sha224);
+ break;
+ #endif /* WOLFSSL_SHA224 */
+
+ #ifndef NO_SHA256
+ case WC_SHA256:
+ ret = wc_InitSha256(&hmac->hash.sha256);
+ break;
+ #endif /* !NO_SHA256 */
+
+ #ifdef WOLFSSL_SHA384
+ case WC_SHA384:
+ ret = wc_InitSha384(&hmac->hash.sha384);
+ break;
+ #endif /* WOLFSSL_SHA384 */
+ #ifdef WOLFSSL_SHA512
+ case WC_SHA512:
+ ret = wc_InitSha512(&hmac->hash.sha512);
+ break;
+ #endif /* WOLFSSL_SHA512 */
+
+ #ifdef HAVE_BLAKE2
+ case BLAKE2B_ID:
+ ret = wc_InitBlake2b(&hmac->hash.blake2b, BLAKE2B_256);
+ break;
+ #endif /* HAVE_BLAKE2 */
+
+ #ifdef WOLFSSL_SHA3
+ case WC_SHA3_224:
+ ret = wc_InitSha3_224(&hmac->hash.sha3, heap, INVALID_DEVID);
+ break;
+ case WC_SHA3_256:
+ ret = wc_InitSha3_256(&hmac->hash.sha3, heap, INVALID_DEVID);
+ break;
+ case WC_SHA3_384:
+ ret = wc_InitSha3_384(&hmac->hash.sha3, heap, INVALID_DEVID);
+ break;
+ case WC_SHA3_512:
+ ret = wc_InitSha3_512(&hmac->hash.sha3, heap, INVALID_DEVID);
+ break;
+ #endif
+
+ default:
+ ret = BAD_FUNC_ARG;
+ break;
+ }
+
+ (void)heap;
+
+ return ret;
+}
+
+#else
+ #define _HMAC_Init _InitHmac
+#endif
+
+
+int wolfSSL_HMAC_Init(WOLFSSL_HMAC_CTX* ctx, const void* key, int keylen,
+ const EVP_MD* type)
+{
+ int hmac_error = 0;
+ void* heap = NULL;
+
+ WOLFSSL_MSG("wolfSSL_HMAC_Init");
+
+ if (ctx == NULL) {
+ WOLFSSL_MSG("no ctx on init");
+ return WOLFSSL_FAILURE;
+ }
+
+#ifndef HAVE_FIPS
+ heap = ctx->hmac.heap;
+#endif
+
+ if (type) {
+ WOLFSSL_MSG("init has type");
+
+#ifndef NO_MD5
+ if (XSTRNCMP(type, "MD5", 3) == 0) {
+ WOLFSSL_MSG("md5 hmac");
+ ctx->type = WC_MD5;
+ }
+ else
+#endif
+#ifdef WOLFSSL_SHA224
+ if (XSTRNCMP(type, "SHA224", 6) == 0) {
+ WOLFSSL_MSG("sha224 hmac");
+ ctx->type = WC_SHA224;
+ }
+ else
+#endif
+#ifndef NO_SHA256
+ if (XSTRNCMP(type, "SHA256", 6) == 0) {
+ WOLFSSL_MSG("sha256 hmac");
+ ctx->type = WC_SHA256;
+ }
+ else
+#endif
+#ifdef WOLFSSL_SHA384
+ if (XSTRNCMP(type, "SHA384", 6) == 0) {
+ WOLFSSL_MSG("sha384 hmac");
+ ctx->type = WC_SHA384;
+ }
+ else
+#endif
+#ifdef WOLFSSL_SHA512
+ if (XSTRNCMP(type, "SHA512", 6) == 0) {
+ WOLFSSL_MSG("sha512 hmac");
+ ctx->type = WC_SHA512;
+ }
+ else
+#endif
+
+#ifndef NO_SHA
+ /* has to be last since would pick or 256, 384, or 512 too */
+ if (XSTRNCMP(type, "SHA", 3) == 0) {
+ WOLFSSL_MSG("sha hmac");
+ ctx->type = WC_SHA;
+ }
+ else
+#endif
+ {
+ WOLFSSL_MSG("bad init type");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ if (key && keylen) {
+ WOLFSSL_MSG("keying hmac");
+
+ if (wc_HmacInit(&ctx->hmac, NULL, INVALID_DEVID) == 0) {
+ hmac_error = wc_HmacSetKey(&ctx->hmac, ctx->type, (const byte*)key,
+ (word32)keylen);
+ if (hmac_error < 0){
+ wc_HmacFree(&ctx->hmac);
+ return WOLFSSL_FAILURE;
+ }
+ XMEMCPY((byte *)&ctx->save_ipad, (byte *)&ctx->hmac.ipad,
+ WC_HMAC_BLOCK_SIZE);
+ XMEMCPY((byte *)&ctx->save_opad, (byte *)&ctx->hmac.opad,
+ WC_HMAC_BLOCK_SIZE);
+ }
+ /* OpenSSL compat, no error */
+ } else if(ctx->type >= 0) { /* MD5 == 0 */
+ WOLFSSL_MSG("recover hmac");
+ if (wc_HmacInit(&ctx->hmac, NULL, INVALID_DEVID) == 0) {
+ ctx->hmac.macType = (byte)ctx->type;
+ ctx->hmac.innerHashKeyed = 0;
+ XMEMCPY((byte *)&ctx->hmac.ipad, (byte *)&ctx->save_ipad,
+ WC_HMAC_BLOCK_SIZE);
+ XMEMCPY((byte *)&ctx->hmac.opad, (byte *)&ctx->save_opad,
+ WC_HMAC_BLOCK_SIZE);
+ if ((hmac_error = _HMAC_Init(&ctx->hmac, ctx->hmac.macType, heap))
+ !=0) {
+ return hmac_error;
+ }
+ }
+ }
+
+ (void)hmac_error;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_HMAC_Update(WOLFSSL_HMAC_CTX* ctx, const unsigned char* data,
+ int len)
+{
+ int hmac_error = 0;
+
+ WOLFSSL_MSG("wolfSSL_HMAC_Update");
+
+ if (ctx == NULL) {
+ WOLFSSL_MSG("no ctx");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (data) {
+ WOLFSSL_MSG("updating hmac");
+ hmac_error = wc_HmacUpdate(&ctx->hmac, data, (word32)len);
+ if (hmac_error < 0){
+ WOLFSSL_MSG("hmac update error");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_HMAC_Final(WOLFSSL_HMAC_CTX* ctx, unsigned char* hash,
+ unsigned int* len)
+{
+ int hmac_error;
+
+ WOLFSSL_MSG("wolfSSL_HMAC_Final");
+
+ /* "len" parameter is optional. */
+ if (ctx == NULL || hash == NULL) {
+ WOLFSSL_MSG("invalid parameter");
+ return WOLFSSL_FAILURE;
+ }
+
+ WOLFSSL_MSG("final hmac");
+ hmac_error = wc_HmacFinal(&ctx->hmac, hash);
+ if (hmac_error < 0){
+ WOLFSSL_MSG("final hmac error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (len) {
+ WOLFSSL_MSG("setting output len");
+ switch (ctx->type) {
+ #ifndef NO_MD5
+ case WC_MD5:
+ *len = WC_MD5_DIGEST_SIZE;
+ break;
+ #endif
+
+ #ifndef NO_SHA
+ case WC_SHA:
+ *len = WC_SHA_DIGEST_SIZE;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_SHA224
+ case WC_SHA224:
+ *len = WC_SHA224_DIGEST_SIZE;
+ break;
+ #endif
+
+ #ifndef NO_SHA256
+ case WC_SHA256:
+ *len = WC_SHA256_DIGEST_SIZE;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ case WC_SHA384:
+ *len = WC_SHA384_DIGEST_SIZE;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_SHA512
+ case WC_SHA512:
+ *len = WC_SHA512_DIGEST_SIZE;
+ break;
+ #endif
+
+ default:
+ WOLFSSL_MSG("bad hmac type");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+int wolfSSL_HMAC_cleanup(WOLFSSL_HMAC_CTX* ctx)
+{
+ WOLFSSL_MSG("wolfSSL_HMAC_cleanup");
+
+ if (ctx)
+ wc_HmacFree(&ctx->hmac);
+
+ return SSL_SUCCESS;
+}
+
+
+const WOLFSSL_EVP_MD* wolfSSL_EVP_get_digestbynid(int id)
+{
+ WOLFSSL_MSG("wolfSSL_get_digestbynid");
+
+ switch(id) {
+#ifndef NO_MD5
+ case NID_md5:
+ return wolfSSL_EVP_md5();
+#endif
+#ifndef NO_SHA
+ case NID_sha1:
+ return wolfSSL_EVP_sha1();
+#endif
+ default:
+ WOLFSSL_MSG("Bad digest id value");
+ }
+
+ return NULL;
+}
+
+
+#ifndef NO_RSA
+WOLFSSL_RSA* wolfSSL_EVP_PKEY_get1_RSA(WOLFSSL_EVP_PKEY* key)
+{
+ WOLFSSL_RSA* local;
+
+ WOLFSSL_MSG("wolfSSL_EVP_PKEY_get1_RSA");
+
+ if (key == NULL) {
+ return NULL;
+ }
+
+ local = wolfSSL_RSA_new();
+ if (local == NULL) {
+ WOLFSSL_MSG("Error creating a new WOLFSSL_RSA structure");
+ return NULL;
+ }
+
+ if (key->type == EVP_PKEY_RSA) {
+ if (wolfSSL_RSA_LoadDer(local, (const unsigned char*)key->pkey.ptr,
+ key->pkey_sz) != SSL_SUCCESS) {
+ /* now try public key */
+ if (wolfSSL_RSA_LoadDer_ex(local,
+ (const unsigned char*)key->pkey.ptr, key->pkey_sz,
+ WOLFSSL_RSA_LOAD_PUBLIC) != SSL_SUCCESS) {
+ wolfSSL_RSA_free(local);
+ local = NULL;
+ }
+ }
+ }
+ else {
+ WOLFSSL_MSG("WOLFSSL_EVP_PKEY does not hold an RSA key");
+ wolfSSL_RSA_free(local);
+ local = NULL;
+ }
+ return local;
+}
+
+
+/* with set1 functions the pkey struct does not own the RSA structure
+ *
+ * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure
+ */
+int wolfSSL_EVP_PKEY_set1_RSA(WOLFSSL_EVP_PKEY *pkey, WOLFSSL_RSA *key)
+{
+ if((pkey == NULL) || (key ==NULL))return WOLFSSL_FAILURE;
+ WOLFSSL_ENTER("wolfSSL_EVP_PKEY_set1_RSA");
+ if (pkey->rsa != NULL && pkey->ownRsa == 1) {
+ wolfSSL_RSA_free(pkey->rsa);
+ }
+ pkey->rsa = key;
+ pkey->ownRsa = 0; /* pkey does not own RSA */
+ pkey->type = EVP_PKEY_RSA;
+#ifdef WC_RSA_BLINDING
+ if (key->ownRng == 0) {
+ if (wc_RsaSetRNG((RsaKey*)(pkey->rsa->internal), &(pkey->rng)) != 0) {
+ WOLFSSL_MSG("Error setting RSA rng");
+ return SSL_FAILURE;
+ }
+ }
+#endif
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_RSA */
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_DSA* wolfSSL_EVP_PKEY_get1_DSA(WOLFSSL_EVP_PKEY* key)
+{
+ (void)key;
+ WOLFSSL_MSG("wolfSSL_EVP_PKEY_get1_DSA not implemented");
+ WOLFSSL_STUB("EVP_PKEY_get1_DSA");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_EC_KEY* wolfSSL_EVP_PKEY_get1_EC_KEY(WOLFSSL_EVP_PKEY* key)
+{
+ (void)key;
+ WOLFSSL_STUB("EVP_PKEY_get1_EC_KEY");
+ WOLFSSL_MSG("wolfSSL_EVP_PKEY_get1_EC_KEY not implemented");
+
+ return NULL;
+}
+#endif
+
+void* wolfSSL_EVP_X_STATE(const WOLFSSL_EVP_CIPHER_CTX* ctx)
+{
+ WOLFSSL_MSG("wolfSSL_EVP_X_STATE");
+
+ if (ctx) {
+ switch (ctx->cipherType) {
+ case ARC4_TYPE:
+ WOLFSSL_MSG("returning arc4 state");
+ return (void*)&ctx->cipher.arc4.x;
+
+ default:
+ WOLFSSL_MSG("bad x state type");
+ return 0;
+ }
+ }
+
+ return NULL;
+}
+
+
+int wolfSSL_EVP_X_STATE_LEN(const WOLFSSL_EVP_CIPHER_CTX* ctx)
+{
+ WOLFSSL_MSG("wolfSSL_EVP_X_STATE_LEN");
+
+ if (ctx) {
+ switch (ctx->cipherType) {
+ case ARC4_TYPE:
+ WOLFSSL_MSG("returning arc4 state size");
+ return sizeof(Arc4);
+
+ default:
+ WOLFSSL_MSG("bad x state type");
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+
+#ifndef NO_DES3
+
+void wolfSSL_3des_iv(WOLFSSL_EVP_CIPHER_CTX* ctx, int doset,
+ unsigned char* iv, int len)
+{
+ (void)len;
+
+ WOLFSSL_MSG("wolfSSL_3des_iv");
+
+ if (ctx == NULL || iv == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return;
+ }
+
+ if (doset)
+ wc_Des3_SetIV(&ctx->cipher.des3, iv); /* OpenSSL compat, no ret */
+ else
+ XMEMCPY(iv, &ctx->cipher.des3.reg, DES_BLOCK_SIZE);
+}
+
+#endif /* NO_DES3 */
+
+
+#ifndef NO_AES
+
+void wolfSSL_aes_ctr_iv(WOLFSSL_EVP_CIPHER_CTX* ctx, int doset,
+ unsigned char* iv, int len)
+{
+ (void)len;
+
+ WOLFSSL_MSG("wolfSSL_aes_ctr_iv");
+
+ if (ctx == NULL || iv == NULL) {
+ WOLFSSL_MSG("Bad function argument");
+ return;
+ }
+
+ if (doset)
+ (void)wc_AesSetIV(&ctx->cipher.aes, iv); /* OpenSSL compat, no ret */
+ else
+ XMEMCPY(iv, &ctx->cipher.aes.reg, AES_BLOCK_SIZE);
+}
+
+#endif /* NO_AES */
+
+#ifndef NO_WOLFSSL_STUB
+const WOLFSSL_EVP_MD* wolfSSL_EVP_ripemd160(void)
+{
+ WOLFSSL_MSG("wolfSSL_ripemd160");
+ WOLFSSL_STUB("EVP_ripemd160");
+ return NULL;
+}
+#endif
+
+int wolfSSL_EVP_MD_size(const WOLFSSL_EVP_MD* type)
+{
+ WOLFSSL_MSG("wolfSSL_EVP_MD_size");
+
+ if (type == NULL) {
+ WOLFSSL_MSG("No md type arg");
+ return BAD_FUNC_ARG;
+ }
+
+ if (XSTRNCMP(type, "SHA256", 6) == 0) {
+ return WC_SHA256_DIGEST_SIZE;
+ }
+#ifndef NO_MD5
+ else if (XSTRNCMP(type, "MD5", 3) == 0) {
+ return WC_MD5_DIGEST_SIZE;
+ }
+#endif
+#ifdef WOLFSSL_SHA224
+ else if (XSTRNCMP(type, "SHA224", 6) == 0) {
+ return WC_SHA224_DIGEST_SIZE;
+ }
+#endif
+#ifdef WOLFSSL_SHA384
+ else if (XSTRNCMP(type, "SHA384", 6) == 0) {
+ return WC_SHA384_DIGEST_SIZE;
+ }
+#endif
+#ifdef WOLFSSL_SHA512
+ else if (XSTRNCMP(type, "SHA512", 6) == 0) {
+ return WC_SHA512_DIGEST_SIZE;
+ }
+#endif
+#ifndef NO_SHA
+ /* has to be last since would pick or 256, 384, or 512 too */
+ else if (XSTRNCMP(type, "SHA", 3) == 0) {
+ return WC_SHA_DIGEST_SIZE;
+ }
+#endif
+
+ return BAD_FUNC_ARG;
+}
+
+
+int wolfSSL_EVP_CIPHER_CTX_iv_length(const WOLFSSL_EVP_CIPHER_CTX* ctx)
+{
+ WOLFSSL_MSG("wolfSSL_EVP_CIPHER_CTX_iv_length");
+
+ switch (ctx->cipherType) {
+
+#ifdef HAVE_AES_CBC
+ case AES_128_CBC_TYPE :
+ case AES_192_CBC_TYPE :
+ case AES_256_CBC_TYPE :
+ WOLFSSL_MSG("AES CBC");
+ return AES_BLOCK_SIZE;
+#endif
+#ifdef WOLFSSL_AES_COUNTER
+ case AES_128_CTR_TYPE :
+ case AES_192_CTR_TYPE :
+ case AES_256_CTR_TYPE :
+ WOLFSSL_MSG("AES CTR");
+ return AES_BLOCK_SIZE;
+#endif
+#ifndef NO_DES3
+ case DES_CBC_TYPE :
+ WOLFSSL_MSG("DES CBC");
+ return DES_BLOCK_SIZE;
+
+ case DES_EDE3_CBC_TYPE :
+ WOLFSSL_MSG("DES EDE3 CBC");
+ return DES_BLOCK_SIZE;
+#endif
+#ifdef HAVE_IDEA
+ case IDEA_CBC_TYPE :
+ WOLFSSL_MSG("IDEA CBC");
+ return IDEA_BLOCK_SIZE;
+#endif
+#ifndef NO_RC4
+ case ARC4_TYPE :
+ WOLFSSL_MSG("ARC4");
+ return 0;
+#endif
+
+ case NULL_CIPHER_TYPE :
+ WOLFSSL_MSG("NULL");
+ return 0;
+
+ default: {
+ WOLFSSL_MSG("bad type");
+ }
+ }
+ return 0;
+}
+
+int wolfSSL_EVP_CIPHER_iv_length(const WOLFSSL_EVP_CIPHER* cipher)
+{
+ const char *name = (const char *)cipher;
+ WOLFSSL_MSG("wolfSSL_EVP_CIPHER_iv_length");
+
+#ifndef NO_AES
+ #ifdef WOLFSSL_AES_128
+ if (XSTRNCMP(name, EVP_AES_128_CBC, XSTRLEN(EVP_AES_128_CBC)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ if (XSTRNCMP(name, EVP_AES_192_CBC, XSTRLEN(EVP_AES_192_CBC)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ if (XSTRNCMP(name, EVP_AES_256_CBC, XSTRLEN(EVP_AES_256_CBC)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+#ifdef WOLFSSL_AES_COUNTER
+ #ifdef WOLFSSL_AES_128
+ if (XSTRNCMP(name, EVP_AES_128_CTR, XSTRLEN(EVP_AES_128_CTR)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ if (XSTRNCMP(name, EVP_AES_192_CTR, XSTRLEN(EVP_AES_192_CTR)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ if (XSTRNCMP(name, EVP_AES_256_CTR, XSTRLEN(EVP_AES_256_CTR)) == 0)
+ return AES_BLOCK_SIZE;
+ #endif
+#endif
+#endif
+
+#ifndef NO_DES3
+ if ((XSTRNCMP(name, EVP_DES_CBC, XSTRLEN(EVP_DES_CBC)) == 0) ||
+ (XSTRNCMP(name, EVP_DES_EDE3_CBC, XSTRLEN(EVP_DES_EDE3_CBC)) == 0)) {
+ return DES_BLOCK_SIZE;
+ }
+#endif
+
+#ifdef HAVE_IDEA
+ if (XSTRNCMP(name, EVP_IDEA_CBC, XSTRLEN(EVP_IDEA_CBC)) == 0)
+ return IDEA_BLOCK_SIZE;
+#endif
+
+ (void)name;
+
+ return 0;
+}
+
+/* Free the dynamically allocated data.
+ *
+ * p Pointer to dynamically allocated memory.
+ */
+void wolfSSL_OPENSSL_free(void* p)
+{
+ WOLFSSL_MSG("wolfSSL_OPENSSL_free");
+
+ XFREE(p, NULL, DYNAMIC_TYPE_OPENSSL);
+}
+
+void *wolfSSL_OPENSSL_malloc(size_t a)
+{
+ return XMALLOC(a, NULL, DYNAMIC_TYPE_OPENSSL);
+}
+
+#if defined(WOLFSSL_KEY_GEN) && defined(WOLFSSL_PEM_TO_DER)
+
+static int EncryptDerKey(byte *der, int *derSz, const EVP_CIPHER* cipher,
+ unsigned char* passwd, int passwdSz, byte **cipherInfo)
+{
+ int ret, paddingSz;
+ word32 idx, cipherInfoSz;
+#ifdef WOLFSSL_SMALL_STACK
+ EncryptedInfo* info = NULL;
+#else
+ EncryptedInfo info[1];
+#endif
+
+ WOLFSSL_ENTER("EncryptDerKey");
+
+ if (der == NULL || derSz == NULL || cipher == NULL ||
+ passwd == NULL || cipherInfo == NULL)
+ return BAD_FUNC_ARG;
+
+#ifdef WOLFSSL_SMALL_STACK
+ info = (EncryptedInfo*)XMALLOC(sizeof(EncryptedInfo), NULL,
+ DYNAMIC_TYPE_ENCRYPTEDINFO);
+ if (info == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+#endif
+
+ XMEMSET(info, 0, sizeof(EncryptedInfo));
+
+ /* set the cipher name on info */
+ XSTRNCPY(info->name, cipher, NAME_SZ-1);
+ info->name[NAME_SZ-1] = '\0'; /* null term */
+
+ ret = wc_EncryptedInfoGet(info, info->name);
+ if (ret != 0) {
+ WOLFSSL_MSG("unsupported cipher");
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+ #endif
+ return WOLFSSL_FAILURE;
+ }
+
+ /* Generate a random salt */
+ if (wolfSSL_RAND_bytes(info->iv, info->ivSz) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("generate iv failed");
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+#endif
+ return WOLFSSL_FAILURE;
+ }
+
+ /* add the padding before encryption */
+ paddingSz = ((*derSz)/info->ivSz + 1) * info->ivSz - (*derSz);
+ if (paddingSz == 0)
+ paddingSz = info->ivSz;
+ XMEMSET(der+(*derSz), (byte)paddingSz, paddingSz);
+ (*derSz) += paddingSz;
+
+ /* encrypt buffer */
+ if (wc_BufferKeyEncrypt(info, der, *derSz, passwd, passwdSz, WC_MD5) != 0) {
+ WOLFSSL_MSG("encrypt key failed");
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+#endif
+ return WOLFSSL_FAILURE;
+ }
+
+ /* create cipher info : 'cipher_name,Salt(hex)' */
+ cipherInfoSz = (word32)(2*info->ivSz + XSTRLEN(info->name) + 2);
+ *cipherInfo = (byte*)XMALLOC(cipherInfoSz, NULL,
+ DYNAMIC_TYPE_STRING);
+ if (*cipherInfo == NULL) {
+ WOLFSSL_MSG("malloc failed");
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+#endif
+ return WOLFSSL_FAILURE;
+ }
+ XSTRNCPY((char*)*cipherInfo, info->name, cipherInfoSz);
+ XSTRNCAT((char*)*cipherInfo, ",", 1);
+
+ idx = (word32)XSTRLEN((char*)*cipherInfo);
+ cipherInfoSz -= idx;
+ ret = Base16_Encode(info->iv, info->ivSz, *cipherInfo+idx, &cipherInfoSz);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_ENCRYPTEDINFO);
+#endif
+ if (ret != 0) {
+ WOLFSSL_MSG("Base16_Encode failed");
+ XFREE(*cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_KEY_GEN || WOLFSSL_PEM_TO_DER */
+
+#if defined(WOLFSSL_KEY_GEN) || defined(WOLFSSL_CERT_GEN)
+/* Takes a WOLFSSL_RSA key and writes it out to a WOLFSSL_BIO
+ *
+ * bio the WOLFSSL_BIO to write to
+ * key the WOLFSSL_RSA key to write out
+ * cipher cipher used
+ * passwd password string if used
+ * len length of password string
+ * cb password callback to use
+ * arg null terminated string for passphrase
+ */
+int wolfSSL_PEM_write_bio_RSAPrivateKey(WOLFSSL_BIO* bio, WOLFSSL_RSA* key,
+ const WOLFSSL_EVP_CIPHER* cipher,
+ unsigned char* passwd, int len,
+ pem_password_cb* cb, void* arg)
+{
+ int ret;
+ WOLFSSL_EVP_PKEY* pkey;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_bio_RSAPrivateKey");
+
+
+ pkey = wolfSSL_PKEY_new_ex(bio->heap);
+ if (pkey == NULL) {
+ WOLFSSL_MSG("wolfSSL_PKEY_new_ex failed");
+ return SSL_FAILURE;
+ }
+
+ pkey->type = EVP_PKEY_RSA;
+ pkey->rsa = key;
+ pkey->ownRsa = 0;
+#ifdef WOLFSSL_KEY_GEN
+ /* similar to how wolfSSL_PEM_write_mem_RSAPrivateKey finds DER of key */
+ {
+ int derMax;
+ int derSz;
+ byte* derBuf;
+
+ /* 5 > size of n, d, p, q, d%(p-1), d(q-1), 1/q%p, e + ASN.1 additional
+ * informations
+ */
+ derMax = 5 * wolfSSL_RSA_size(key) + AES_BLOCK_SIZE;
+
+ derBuf = (byte*)XMALLOC(derMax, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (derBuf == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ wolfSSL_EVP_PKEY_free(pkey);
+ return SSL_FAILURE;
+ }
+
+ /* Key to DER */
+ derSz = wc_RsaKeyToDer((RsaKey*)key->internal, derBuf, derMax);
+ if (derSz < 0) {
+ WOLFSSL_MSG("wc_RsaKeyToDer failed");
+ XFREE(derBuf, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ wolfSSL_EVP_PKEY_free(pkey);
+ return SSL_FAILURE;
+ }
+
+ pkey->pkey.ptr = (char*)XMALLOC(derSz, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (pkey->pkey.ptr == NULL) {
+ WOLFSSL_MSG("key malloc failed");
+ XFREE(derBuf, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ wolfSSL_EVP_PKEY_free(pkey);
+ return SSL_FAILURE;
+ }
+ pkey->pkey_sz = derSz;
+ XMEMCPY(pkey->pkey.ptr, derBuf, derSz);
+ XFREE(derBuf, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ }
+#endif
+
+ ret = wolfSSL_PEM_write_bio_PrivateKey(bio, pkey, cipher, passwd, len,
+ cb, arg);
+
+ wolfSSL_EVP_PKEY_free(pkey);
+
+ return ret;
+}
+
+
+int wolfSSL_PEM_write_bio_PrivateKey(WOLFSSL_BIO* bio, WOLFSSL_EVP_PKEY* key,
+ const WOLFSSL_EVP_CIPHER* cipher,
+ unsigned char* passwd, int len,
+ pem_password_cb* cb, void* arg)
+{
+ byte* keyDer;
+ int pemSz;
+ int type;
+ int ret;
+ byte* tmp;
+
+ (void)cipher;
+ (void)passwd;
+ (void)len;
+ (void)cb;
+ (void)arg;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_bio_PrivateKey");
+
+ if (bio == NULL || key == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ keyDer = (byte*)key->pkey.ptr;
+
+ switch (key->type) {
+ case EVP_PKEY_RSA:
+ type = PRIVATEKEY_TYPE;
+ break;
+
+#ifndef NO_DSA
+ case EVP_PKEY_DSA:
+ type = DSA_PRIVATEKEY_TYPE;
+ break;
+#endif
+
+ case EVP_PKEY_EC:
+ type = ECC_PRIVATEKEY_TYPE;
+ break;
+
+ default:
+ WOLFSSL_MSG("Unknown Key type!");
+ type = PRIVATEKEY_TYPE;
+ }
+
+ pemSz = wc_DerToPem(keyDer, key->pkey_sz, NULL, 0, type);
+ if (pemSz < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_write_bio_PrivateKey", pemSz);
+ return WOLFSSL_FAILURE;
+ }
+ tmp = (byte*)XMALLOC(pemSz, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ if (tmp == NULL) {
+ return MEMORY_E;
+ }
+
+ ret = wc_DerToPemEx(keyDer, key->pkey_sz, tmp, pemSz,
+ NULL, type);
+ if (ret < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_write_bio_PrivateKey", ret);
+ XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ return SSL_FAILURE;
+ }
+
+ ret = wolfSSL_BIO_write(bio, tmp, pemSz);
+ XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ if (ret != pemSz) {
+ WOLFSSL_MSG("Unable to write full PEM to BIO");
+ return SSL_FAILURE;
+ }
+
+ return SSL_SUCCESS;
+}
+#endif /* defined(WOLFSSL_KEY_GEN) || defined(WOLFSSL_CERT_GEN) */
+
+#if defined(WOLFSSL_KEY_GEN) && !defined(NO_RSA) && !defined(HAVE_USER_RSA) && \
+ (defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM))
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_mem_RSAPrivateKey(RSA* rsa, const EVP_CIPHER* cipher,
+ unsigned char* passwd, int passwdSz,
+ unsigned char **pem, int *plen)
+{
+ byte *derBuf, *tmp, *cipherInfo = NULL;
+ int der_max_len = 0, derSz = 0;
+ const int type = PRIVATEKEY_TYPE;
+ const char* header = NULL;
+ const char* footer = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_mem_RSAPrivateKey");
+
+ if (pem == NULL || plen == NULL || rsa == NULL || rsa->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_PemGetHeaderFooter(type, &header, &footer) != 0)
+ return WOLFSSL_FAILURE;
+
+ if (rsa->inSet == 0) {
+ WOLFSSL_MSG("No RSA internal set, do it");
+
+ if (SetRsaInternal(rsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* 5 > size of n, d, p, q, d%(p-1), d(q-1), 1/q%p, e + ASN.1 additional
+ * informations
+ */
+ der_max_len = 5 * wolfSSL_RSA_size(rsa) + AES_BLOCK_SIZE;
+
+ derBuf = (byte*)XMALLOC(der_max_len, NULL, DYNAMIC_TYPE_DER);
+ if (derBuf == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* Key to DER */
+ derSz = wc_RsaKeyToDer((RsaKey*)rsa->internal, derBuf, der_max_len);
+ if (derSz < 0) {
+ WOLFSSL_MSG("wc_RsaKeyToDer failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* encrypt DER buffer if required */
+ if (passwd != NULL && passwdSz > 0 && cipher != NULL) {
+ int ret;
+
+ ret = EncryptDerKey(derBuf, &derSz, cipher,
+ passwd, passwdSz, &cipherInfo);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("EncryptDerKey failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return ret;
+ }
+
+ /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1 + HEADER_ENCRYPTED_KEY_SIZE;
+ }
+ else {
+ /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1;
+ }
+
+ tmp = (byte*)XMALLOC(*plen, NULL, DYNAMIC_TYPE_PEM);
+ if (tmp == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* DER to PEM */
+ *plen = wc_DerToPemEx(derBuf, derSz, tmp, *plen, cipherInfo, type);
+ if (*plen <= 0) {
+ WOLFSSL_MSG("wc_DerToPemEx failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+
+ *pem = (byte*)XMALLOC((*plen)+1, NULL, DYNAMIC_TYPE_KEY);
+ if (*pem == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(*pem, 0, (*plen)+1);
+
+ if (XMEMCPY(*pem, tmp, *plen) == NULL) {
+ WOLFSSL_MSG("XMEMCPY failed");
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+#ifndef NO_FILESYSTEM
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_RSAPrivateKey(FILE *fp, WOLFSSL_RSA *rsa,
+ const EVP_CIPHER *enc,
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ byte *pem;
+ int plen, ret;
+
+ (void)cb;
+ (void)u;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_RSAPrivateKey");
+
+ if (fp == NULL || rsa == NULL || rsa->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = wolfSSL_PEM_write_mem_RSAPrivateKey(rsa, enc, kstr, klen, &pem, &plen);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_PEM_write_mem_RSAPrivateKey failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = (int)XFWRITE(pem, plen, 1, fp);
+ if (ret != 1) {
+ WOLFSSL_MSG("RSA private key file write failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_FILESYSTEM */
+#endif /* WOLFSSL_KEY_GEN && !NO_RSA && !HAVE_USER_RSA && WOLFSSL_PEM_TO_DER */
+
+
+#ifdef HAVE_ECC
+
+/* EC_POINT Openssl -> WolfSSL */
+static int SetECPointInternal(WOLFSSL_EC_POINT *p)
+{
+ ecc_point* point;
+ WOLFSSL_ENTER("SetECPointInternal");
+
+ if (p == NULL || p->internal == NULL) {
+ WOLFSSL_MSG("ECPoint NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ point = (ecc_point*)p->internal;
+
+ if (p->X != NULL && SetIndividualInternal(p->X, point->x) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point X error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (p->Y != NULL && SetIndividualInternal(p->Y, point->y) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point Y error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (p->Z != NULL && SetIndividualInternal(p->Z, point->z) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point Z error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ p->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_ECC */
+#endif /* OPENSSL_EXTRA */
+
+#if defined(HAVE_ECC) && defined(OPENSSL_EXTRA_X509_SMALL)
+
+/* EC_POINT WolfSSL -> OpenSSL */
+static int SetECPointExternal(WOLFSSL_EC_POINT *p)
+{
+ ecc_point* point;
+
+ WOLFSSL_ENTER("SetECPointExternal");
+
+ if (p == NULL || p->internal == NULL) {
+ WOLFSSL_MSG("ECPoint NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ point = (ecc_point*)p->internal;
+
+ if (SetIndividualExternal(&p->X, point->x) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point X error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&p->Y, point->y) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point Y error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetIndividualExternal(&p->Z, point->z) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ecc point Z error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ p->exSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+/* EC_KEY wolfSSL -> OpenSSL */
+static int SetECKeyExternal(WOLFSSL_EC_KEY* eckey)
+{
+ ecc_key* key;
+
+ WOLFSSL_ENTER("SetECKeyExternal");
+
+ if (eckey == NULL || eckey->internal == NULL) {
+ WOLFSSL_MSG("ec key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (ecc_key*)eckey->internal;
+
+ /* set group (OID, nid and idx) */
+ eckey->group->curve_oid = ecc_sets[key->idx].oidSum;
+ eckey->group->curve_nid = ecc_sets[key->idx].id;
+ eckey->group->curve_idx = key->idx;
+
+ if (eckey->pub_key->internal != NULL) {
+ /* set the internal public key */
+ if (wc_ecc_copy_point(&key->pubkey,
+ (ecc_point*)eckey->pub_key->internal) != MP_OKAY) {
+ WOLFSSL_MSG("SetECKeyExternal ecc_copy_point failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* set the external pubkey (point) */
+ if (SetECPointExternal(eckey->pub_key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyExternal SetECPointExternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ /* set the external privkey */
+ if (key->type == ECC_PRIVATEKEY) {
+ if (SetIndividualExternal(&eckey->priv_key, &key->k) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ec priv key error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ eckey->exSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_ECC && OPENSSL_EXTRA_X509_SMALL */
+
+#ifdef OPENSSL_EXTRA
+#ifdef HAVE_ECC
+/* EC_KEY Openssl -> WolfSSL */
+static int SetECKeyInternal(WOLFSSL_EC_KEY* eckey)
+{
+ ecc_key* key;
+
+ WOLFSSL_ENTER("SetECKeyInternal");
+
+ if (eckey == NULL || eckey->internal == NULL) {
+ WOLFSSL_MSG("ec key NULL error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key = (ecc_key*)eckey->internal;
+
+ /* validate group */
+ if ((eckey->group->curve_idx < 0) ||
+ (wc_ecc_is_valid_idx(eckey->group->curve_idx) == 0)) {
+ WOLFSSL_MSG("invalid curve idx");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* set group (idx of curve and corresponding domain parameters) */
+ key->idx = eckey->group->curve_idx;
+ key->dp = &ecc_sets[key->idx];
+
+ /* set pubkey (point) */
+ if (eckey->pub_key != NULL) {
+ if (SetECPointInternal(eckey->pub_key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ec key pub error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* public key */
+ key->type = ECC_PUBLICKEY;
+ }
+
+ /* set privkey */
+ if (eckey->priv_key != NULL) {
+ if (SetIndividualInternal(eckey->priv_key, &key->k) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("ec key priv error");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* private key */
+ key->type = ECC_PRIVATEKEY;
+ }
+
+ eckey->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+
+WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_get0_public_key");
+
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_get0_group Bad arguments");
+ return NULL;
+ }
+
+ return key->pub_key;
+}
+
+const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_get0_group");
+
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_get0_group Bad arguments");
+ return NULL;
+ }
+
+ return key->group;
+}
+
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
+ const WOLFSSL_BIGNUM *priv_key)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_set_private_key");
+
+ if (key == NULL || priv_key == NULL) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* free key if previously set */
+ if (key->priv_key != NULL)
+ wolfSSL_BN_free(key->priv_key);
+
+ key->priv_key = wolfSSL_BN_dup(priv_key);
+ if (key->priv_key == NULL) {
+ WOLFSSL_MSG("key ecc priv key NULL");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (SetECKeyInternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyInternal failed");
+ wolfSSL_BN_free(key->priv_key);
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+
+WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_get0_private_key");
+
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_get0_private_key Bad arguments");
+ return NULL;
+ }
+
+ return key->priv_key;
+}
+
+WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid)
+{
+ WOLFSSL_EC_KEY *key;
+ int x;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_new_by_curve_name");
+
+ key = wolfSSL_EC_KEY_new();
+ if (key == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_new failure");
+ return NULL;
+ }
+
+ /* set the nid of the curve */
+ key->group->curve_nid = nid;
+
+ /* search and set the corresponding internal curve idx */
+ for (x = 0; ecc_sets[x].size != 0; x++)
+ if (ecc_sets[x].id == key->group->curve_nid) {
+ key->group->curve_idx = x;
+ key->group->curve_oid = ecc_sets[x].oidSum;
+ break;
+ }
+
+ return key;
+}
+
+#endif /* HAVE_ECC */
+#endif /* OPENSSL_EXTRA */
+
+#if defined(HAVE_ECC) && (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
+static void InitwolfSSL_ECKey(WOLFSSL_EC_KEY* key)
+{
+ if (key) {
+ key->group = NULL;
+ key->pub_key = NULL;
+ key->priv_key = NULL;
+ key->internal = NULL;
+ key->inSet = 0;
+ key->exSet = 0;
+ }
+}
+
+WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void)
+{
+ WOLFSSL_EC_KEY *external;
+ ecc_key* key;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_new");
+
+ external = (WOLFSSL_EC_KEY*)XMALLOC(sizeof(WOLFSSL_EC_KEY), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (external == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_new malloc WOLFSSL_EC_KEY failure");
+ return NULL;
+ }
+ XMEMSET(external, 0, sizeof(WOLFSSL_EC_KEY));
+
+ InitwolfSSL_ECKey(external);
+
+ external->internal = (ecc_key*)XMALLOC(sizeof(ecc_key), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (external->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_new malloc ecc key failure");
+ wolfSSL_EC_KEY_free(external);
+ return NULL;
+ }
+ XMEMSET(external->internal, 0, sizeof(ecc_key));
+
+ wc_ecc_init((ecc_key*)external->internal);
+
+ /* public key */
+ external->pub_key = (WOLFSSL_EC_POINT*)XMALLOC(sizeof(WOLFSSL_EC_POINT),
+ NULL, DYNAMIC_TYPE_ECC);
+ if (external->pub_key == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_new malloc WOLFSSL_EC_POINT failure");
+ wolfSSL_EC_KEY_free(external);
+ return NULL;
+ }
+ XMEMSET(external->pub_key, 0, sizeof(WOLFSSL_EC_POINT));
+
+ key = (ecc_key*)external->internal;
+ external->pub_key->internal = wc_ecc_new_point();
+ if (wc_ecc_copy_point((ecc_point*)&key->pubkey,
+ (ecc_point*)external->pub_key->internal) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ecc_copy_point failure");
+ wolfSSL_EC_KEY_free(external);
+ return NULL;
+ }
+
+ /* curve group */
+ external->group = (WOLFSSL_EC_GROUP*)XMALLOC(sizeof(WOLFSSL_EC_GROUP), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (external->group == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_new malloc WOLFSSL_EC_GROUP failure");
+ wolfSSL_EC_KEY_free(external);
+ return NULL;
+ }
+ XMEMSET(external->group, 0, sizeof(WOLFSSL_EC_GROUP));
+
+ /* private key */
+ external->priv_key = wolfSSL_BN_new();
+ if (external->priv_key == NULL) {
+ WOLFSSL_MSG("wolfSSL_BN_new failure");
+ wolfSSL_EC_KEY_free(external);
+ return NULL;
+ }
+
+ return external;
+}
+
+void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_free");
+
+ if (key != NULL) {
+ if (key->internal != NULL) {
+ wc_ecc_free((ecc_key*)key->internal);
+ XFREE(key->internal, NULL, DYNAMIC_TYPE_ECC);
+ }
+ wolfSSL_BN_free(key->priv_key);
+ wolfSSL_EC_POINT_free(key->pub_key);
+ wolfSSL_EC_GROUP_free(key->group);
+ InitwolfSSL_ECKey(key); /* set back to NULLs for safety */
+
+ XFREE(key, NULL, DYNAMIC_TYPE_ECC);
+ key = NULL;
+ }
+}
+#endif /* HAVE_ECC && (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL) */
+
+#ifdef OPENSSL_EXTRA
+#ifdef HAVE_ECC
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group)
+{
+ (void)key;
+ (void)group;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_set_group");
+ WOLFSSL_STUB("EC_KEY_set_group");
+
+ return -1;
+}
+#endif
+
+int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key)
+{
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_generate_key");
+
+ if (key == NULL || key->internal == NULL ||
+ key->group == NULL || key->group->curve_idx < 0) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_generate_key Bad arguments");
+ return 0;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return 0;
+#endif
+
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_generate_key failed to set RNG");
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+ return 0;
+ }
+
+ if (wc_ecc_make_key_ex(rng, 0, (ecc_key*)key->internal,
+ key->group->curve_nid) != MP_OKAY) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_generate_key wc_ecc_make_key failed");
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+ return 0;
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ if (SetECKeyExternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_EC_KEY_generate_key SetECKeyExternal failed");
+ return 0;
+ }
+
+ return 1;
+}
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag)
+{
+ (void)key;
+ (void)asn1_flag;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_set_asn1_flag");
+ WOLFSSL_STUB("EC_KEY_set_asn1_flag");
+}
+#endif
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
+ const WOLFSSL_EC_POINT *pub)
+{
+ ecc_point *pub_p, *key_p;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_set_public_key");
+
+ if (key == NULL || key->internal == NULL ||
+ pub == NULL || pub->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_order Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (key->inSet == 0) {
+ if (SetECKeyInternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ if (pub->inSet == 0) {
+ if (SetECPointInternal((WOLFSSL_EC_POINT *)pub) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ pub_p = (ecc_point*)pub->internal;
+ key_p = (ecc_point*)key->pub_key->internal;
+
+ /* create new point if required */
+ if (key_p == NULL)
+ key_p = wc_ecc_new_point();
+
+ if (key_p == NULL) {
+ WOLFSSL_MSG("key ecc point NULL");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_ecc_copy_point(pub_p, key_p) != MP_OKAY) {
+ WOLFSSL_MSG("ecc_copy_point failure");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (SetECKeyExternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ wolfSSL_EC_POINT_dump("pub", pub);
+ wolfSSL_EC_POINT_dump("key->pub_key", key->pub_key);
+
+ return WOLFSSL_SUCCESS;
+}
+/* End EC_KEY */
+
+void wolfSSL_EC_POINT_dump(const char *msg, const WOLFSSL_EC_POINT *p)
+{
+#if defined(DEBUG_WOLFSSL)
+ char *num;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_dump");
+
+ if (p == NULL) {
+ printf("%s = NULL", msg);
+ return;
+ }
+
+ printf("%s:\n\tinSet=%d, exSet=%d\n", msg, p->inSet, p->exSet);
+ num = wolfSSL_BN_bn2hex(p->X);
+ printf("\tX = %s\n", num);
+ XFREE(num, NULL, DYNAMIC_TYPE_ECC);
+ num = wolfSSL_BN_bn2hex(p->Y);
+ printf("\tY = %s\n", num);
+ XFREE(num, NULL, DYNAMIC_TYPE_ECC);
+ num = wolfSSL_BN_bn2hex(p->Z);
+ printf("\tZ = %s\n", num);
+ XFREE(num, NULL, DYNAMIC_TYPE_ECC);
+#else
+ (void)msg;
+ (void)p;
+#endif
+}
+
+/* Start EC_GROUP */
+
+/* return code compliant with OpenSSL :
+ * 0 if equal, 1 if not and -1 in case of error
+ */
+int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
+ WOLFSSL_BN_CTX *ctx)
+{
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_cmp");
+
+ if (a == NULL || b == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_cmp Bad arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* ok */
+ if ((a->curve_idx == b->curve_idx) && (a->curve_nid == b->curve_nid))
+ return 0;
+
+ /* ko */
+ return 1;
+}
+
+#endif /* HAVE_ECC */
+#endif /* OPENSSL_EXTRA */
+
+#if defined(HAVE_ECC) && (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
+void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_free");
+
+ XFREE(group, NULL, DYNAMIC_TYPE_ECC);
+ group = NULL;
+}
+#endif
+
+#ifdef OPENSSL_EXTRA
+#ifdef HAVE_ECC
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag)
+{
+ (void)group;
+ (void)flag;
+
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_set_asn1_flag");
+ WOLFSSL_STUB("EC_GROUP_set_asn1_flag");
+}
+#endif
+
+WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid)
+{
+ WOLFSSL_EC_GROUP *g;
+ int x;
+
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_new_by_curve_name");
+
+ /* curve group */
+ g = (WOLFSSL_EC_GROUP*) XMALLOC(sizeof(WOLFSSL_EC_GROUP), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (g == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_new_by_curve_name malloc failure");
+ return NULL;
+ }
+ XMEMSET(g, 0, sizeof(WOLFSSL_EC_GROUP));
+
+ /* set the nid of the curve */
+ g->curve_nid = nid;
+
+ /* search and set the corresponding internal curve idx */
+ for (x = 0; ecc_sets[x].size != 0; x++)
+ if (ecc_sets[x].id == g->curve_nid) {
+ g->curve_idx = x;
+ g->curve_oid = ecc_sets[x].oidSum;
+ break;
+ }
+
+ return g;
+}
+
+/* return code compliant with OpenSSL :
+ * the curve nid if success, 0 if error
+ */
+int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_get_curve_name");
+
+ if (group == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_curve_name Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ return group->curve_nid;
+}
+
+/* return code compliant with OpenSSL :
+ * the degree of the curve if success, 0 if error
+ */
+int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_GROUP_get_degree");
+
+ if (group == NULL || group->curve_idx < 0) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_degree Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ switch(group->curve_nid) {
+ case NID_secp112r1:
+ case NID_secp112r2:
+ return 112;
+ case NID_secp128r1:
+ case NID_secp128r2:
+ return 128;
+ case NID_secp160k1:
+ case NID_secp160r1:
+ case NID_secp160r2:
+ case NID_brainpoolP160r1:
+ return 160;
+ case NID_secp192k1:
+ case NID_brainpoolP192r1:
+ case NID_X9_62_prime192v1:
+ return 192;
+ case NID_secp224k1:
+ case NID_secp224r1:
+ case NID_brainpoolP224r1:
+ return 224;
+ case NID_secp256k1:
+ case NID_brainpoolP256r1:
+ case NID_X9_62_prime256v1:
+ return 256;
+ case NID_brainpoolP320r1:
+ return 320;
+ case NID_secp384r1:
+ case NID_brainpoolP384r1:
+ return 384;
+ case NID_secp521r1:
+ case NID_brainpoolP512r1:
+ return 521;
+ default:
+ return WOLFSSL_FAILURE;
+ }
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
+ WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx)
+{
+ (void)ctx;
+
+ if (group == NULL || order == NULL || order->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_order NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_init((mp_int*)order->internal) != MP_OKAY) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_order mp_init failure");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (mp_read_radix((mp_int*)order->internal,
+ ecc_sets[group->curve_idx].order, MP_RADIX_HEX) != MP_OKAY) {
+ WOLFSSL_MSG("wolfSSL_EC_GROUP_get_order mp_read order failure");
+ mp_clear((mp_int*)order->internal);
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+/* End EC_GROUP */
+
+/* Start EC_POINT */
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *group,
+ const WOLFSSL_EC_POINT *p,
+ unsigned char *out, unsigned int *len)
+{
+ int err;
+
+ WOLFSSL_ENTER("wolfSSL_ECPoint_i2d");
+
+ if (group == NULL || p == NULL || len == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECPoint_i2d NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (p->inSet == 0) {
+ WOLFSSL_MSG("No ECPoint internal set, do it");
+
+ if (SetECPointInternal((WOLFSSL_EC_POINT *)p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal SetECPointInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ if (out != NULL) {
+ wolfSSL_EC_POINT_dump("i2d p", p);
+ }
+
+ err = wc_ecc_export_point_der(group->curve_idx, (ecc_point*)p->internal,
+ out, len);
+ if (err != MP_OKAY && !(out == NULL && err == LENGTH_ONLY_E)) {
+ WOLFSSL_MSG("wolfSSL_ECPoint_i2d wc_ecc_export_point_der failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
+ const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *p)
+{
+ WOLFSSL_ENTER("wolfSSL_ECPoint_d2i");
+
+ if (group == NULL || p == NULL || p->internal == NULL || in == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECPoint_d2i NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_ecc_import_point_der(in, len, group->curve_idx,
+ (ecc_point*)p->internal) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ecc_import_point_der failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (p->exSet == 0) {
+ WOLFSSL_MSG("No ECPoint external set, do it");
+
+ if (SetECPointExternal(p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointExternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ wolfSSL_EC_POINT_dump("d2i p", p);
+
+ return WOLFSSL_SUCCESS;
+}
+
+WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group)
+{
+ WOLFSSL_EC_POINT *p;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_new");
+
+ if (group == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_new NULL error");
+ return NULL;
+ }
+
+ p = (WOLFSSL_EC_POINT *)XMALLOC(sizeof(WOLFSSL_EC_POINT), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (p == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_new malloc ecc point failure");
+ return NULL;
+ }
+ XMEMSET(p, 0, sizeof(WOLFSSL_EC_POINT));
+
+ p->internal = wc_ecc_new_point();
+ if (p->internal == NULL) {
+ WOLFSSL_MSG("ecc_new_point failure");
+ XFREE(p, NULL, DYNAMIC_TYPE_ECC);
+ return NULL;
+ }
+
+ return p;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
+ const WOLFSSL_EC_POINT *point,
+ WOLFSSL_BIGNUM *x,
+ WOLFSSL_BIGNUM *y,
+ WOLFSSL_BN_CTX *ctx)
+{
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_get_affine_coordinates_GFp");
+
+ if (group == NULL || point == NULL || point->internal == NULL ||
+ x == NULL || y == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_get_affine_coordinates_GFp NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (point->inSet == 0) {
+ WOLFSSL_MSG("No ECPoint internal set, do it");
+
+ if (SetECPointInternal((WOLFSSL_EC_POINT *)point) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ BN_copy(x, point->X);
+ BN_copy(y, point->Y);
+
+ return WOLFSSL_SUCCESS;
+}
+
+#ifndef WOLFSSL_ATECC508A
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
+ const WOLFSSL_BIGNUM *n, const WOLFSSL_EC_POINT *q,
+ const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx)
+{
+ mp_int a, prime;
+ int ret;
+
+ (void)ctx;
+ (void)n;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_mul");
+
+ if (group == NULL || r == NULL || r->internal == NULL ||
+ q == NULL || q->internal == NULL || m == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_mul NULL error");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (q->inSet == 0) {
+ WOLFSSL_MSG("No ECPoint internal set, do it");
+
+ if (SetECPointInternal((WOLFSSL_EC_POINT *)q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal q failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* read the curve prime and a */
+ if (mp_init_multi(&prime, &a, NULL, NULL, NULL, NULL) != MP_OKAY) {
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = mp_read_radix(&prime, ecc_sets[group->curve_idx].prime, MP_RADIX_HEX);
+ if (ret == MP_OKAY) {
+ ret = mp_read_radix(&a, ecc_sets[group->curve_idx].Af, MP_RADIX_HEX);
+ }
+
+ /* r = q * m % prime */
+ if (ret == MP_OKAY) {
+ ret = wc_ecc_mulmod((mp_int*)m->internal, (ecc_point*)q->internal,
+ (ecc_point*)r->internal, &a, &prime, 1);
+ }
+
+ mp_clear(&a);
+ mp_clear(&prime);
+
+ if (ret == MP_OKAY) {
+ r->inSet = 1; /* mark internal set */
+
+ /* set the external value for the computed point */
+ ret = SetECPointExternal(r);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal r failed");
+ }
+ }
+ else {
+ ret = WOLFSSL_FAILURE;
+ }
+
+ return ret;
+}
+#endif
+
+void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *p)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_clear_free");
+
+ wolfSSL_EC_POINT_free(p);
+}
+
+/* return code compliant with OpenSSL :
+ * 0 if equal, 1 if not and -1 in case of error
+ */
+int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
+ const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
+ WOLFSSL_BN_CTX *ctx)
+{
+ int ret;
+
+ (void)ctx;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_cmp");
+
+ if (group == NULL || a == NULL || a->internal == NULL || b == NULL ||
+ b->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_cmp Bad arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ret = wc_ecc_cmp_point((ecc_point*)a->internal, (ecc_point*)b->internal);
+ if (ret == MP_EQ)
+ return 0;
+ else if (ret == MP_LT || ret == MP_GT)
+ return 1;
+
+ return WOLFSSL_FATAL_ERROR;
+}
+#endif /* HAVE_ECC */
+#endif /* OPENSSL_EXTRA */
+
+#if defined(HAVE_ECC) && (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
+void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *p)
+{
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_free");
+
+ if (p != NULL) {
+ if (p->internal != NULL) {
+ wc_ecc_del_point((ecc_point*)p->internal);
+ p->internal = NULL;
+ }
+
+ wolfSSL_BN_free(p->X);
+ wolfSSL_BN_free(p->Y);
+ wolfSSL_BN_free(p->Z);
+ p->X = NULL;
+ p->Y = NULL;
+ p->Z = NULL;
+ p->inSet = p->exSet = 0;
+
+ XFREE(p, NULL, DYNAMIC_TYPE_ECC);
+ p = NULL;
+ }
+}
+#endif
+
+#ifdef OPENSSL_EXTRA
+#ifdef HAVE_ECC
+/* return code compliant with OpenSSL :
+ * 1 if point at infinity, 0 else
+ */
+int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
+ const WOLFSSL_EC_POINT *point)
+{
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_EC_POINT_is_at_infinity");
+
+ if (group == NULL || point == NULL || point->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_EC_POINT_is_at_infinity NULL error");
+ return WOLFSSL_FAILURE;
+ }
+ if (point->inSet == 0) {
+ WOLFSSL_MSG("No ECPoint internal set, do it");
+
+ if (SetECPointInternal((WOLFSSL_EC_POINT *)point) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECPointInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ ret = wc_ecc_point_is_at_infinity((ecc_point*)point->internal);
+ if (ret <= 0) {
+ WOLFSSL_MSG("ecc_point_is_at_infinity failure");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+
+/* End EC_POINT */
+
+/* Start ECDSA_SIG */
+void wolfSSL_ECDSA_SIG_free(WOLFSSL_ECDSA_SIG *sig)
+{
+ WOLFSSL_ENTER("wolfSSL_ECDSA_SIG_free");
+
+ if (sig) {
+ wolfSSL_BN_free(sig->r);
+ wolfSSL_BN_free(sig->s);
+
+ XFREE(sig, NULL, DYNAMIC_TYPE_ECC);
+ }
+}
+
+WOLFSSL_ECDSA_SIG *wolfSSL_ECDSA_SIG_new(void)
+{
+ WOLFSSL_ECDSA_SIG *sig;
+
+ WOLFSSL_ENTER("wolfSSL_ECDSA_SIG_new");
+
+ sig = (WOLFSSL_ECDSA_SIG*) XMALLOC(sizeof(WOLFSSL_ECDSA_SIG), NULL,
+ DYNAMIC_TYPE_ECC);
+ if (sig == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_SIG_new malloc ECDSA signature failure");
+ return NULL;
+ }
+
+ sig->s = NULL;
+ sig->r = wolfSSL_BN_new();
+ if (sig->r == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_SIG_new malloc ECDSA r failure");
+ wolfSSL_ECDSA_SIG_free(sig);
+ return NULL;
+ }
+
+ sig->s = wolfSSL_BN_new();
+ if (sig->s == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_SIG_new malloc ECDSA s failure");
+ wolfSSL_ECDSA_SIG_free(sig);
+ return NULL;
+ }
+
+ return sig;
+}
+
+/* return signature structure on success, NULL otherwise */
+WOLFSSL_ECDSA_SIG *wolfSSL_ECDSA_do_sign(const unsigned char *d, int dlen,
+ WOLFSSL_EC_KEY *key)
+{
+ WOLFSSL_ECDSA_SIG *sig = NULL;
+ int initTmpRng = 0;
+ WC_RNG* rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG* tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_ECDSA_do_sign");
+
+ if (d == NULL || key == NULL || key->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_sign Bad arguments");
+ return NULL;
+ }
+
+ /* set internal key if not done */
+ if (key->inSet == 0)
+ {
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_sign No EC key internal set, do it");
+
+ if (SetECKeyInternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_sign SetECKeyInternal failed");
+ return NULL;
+ }
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return NULL;
+#endif
+
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_sign Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_sign Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ mp_int sig_r, sig_s;
+
+ if (mp_init_multi(&sig_r, &sig_s, NULL, NULL, NULL, NULL) == MP_OKAY) {
+ if (wc_ecc_sign_hash_ex(d, dlen, rng, (ecc_key*)key->internal,
+ &sig_r, &sig_s) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ecc_sign_hash_ex failed");
+ }
+ else {
+ /* put signature blob in ECDSA structure */
+ sig = wolfSSL_ECDSA_SIG_new();
+ if (sig == NULL)
+ WOLFSSL_MSG("wolfSSL_ECDSA_SIG_new failed");
+ else if (SetIndividualExternal(&(sig->r), &sig_r)!=WOLFSSL_SUCCESS){
+ WOLFSSL_MSG("ecdsa r key error");
+ wolfSSL_ECDSA_SIG_free(sig);
+ sig = NULL;
+ }
+ else if (SetIndividualExternal(&(sig->s), &sig_s)!=WOLFSSL_SUCCESS){
+ WOLFSSL_MSG("ecdsa s key error");
+ wolfSSL_ECDSA_SIG_free(sig);
+ sig = NULL;
+ }
+
+ }
+ mp_free(&sig_r);
+ mp_free(&sig_s);
+ }
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return sig;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 for a valid signature, 0 for an invalid signature and -1 on error
+ */
+int wolfSSL_ECDSA_do_verify(const unsigned char *d, int dlen,
+ const WOLFSSL_ECDSA_SIG *sig, WOLFSSL_EC_KEY *key)
+{
+ int check_sign = 0;
+
+ WOLFSSL_ENTER("wolfSSL_ECDSA_do_verify");
+
+ if (d == NULL || sig == NULL || key == NULL || key->internal == NULL) {
+ WOLFSSL_MSG("wolfSSL_ECDSA_do_verify Bad arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* set internal key if not done */
+ if (key->inSet == 0)
+ {
+ WOLFSSL_MSG("No EC key internal set, do it");
+
+ if (SetECKeyInternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyInternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ if (wc_ecc_verify_hash_ex((mp_int*)sig->r->internal,
+ (mp_int*)sig->s->internal, d, dlen, &check_sign,
+ (ecc_key *)key->internal) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ecc_verify_hash failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ else if (check_sign == 0) {
+ WOLFSSL_MSG("wc_ecc_verify_hash incorrect signature detected");
+ return WOLFSSL_FAILURE;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+/* End ECDSA_SIG */
+
+/* Start ECDH */
+/* return code compliant with OpenSSL :
+ * length of computed key if success, -1 if error
+ */
+int wolfSSL_ECDH_compute_key(void *out, size_t outlen,
+ const WOLFSSL_EC_POINT *pub_key,
+ WOLFSSL_EC_KEY *ecdh,
+ void *(*KDF) (const void *in, size_t inlen,
+ void *out, size_t *outlen))
+{
+ word32 len;
+ (void)KDF;
+
+ (void)KDF;
+
+ WOLFSSL_ENTER("wolfSSL_ECDH_compute_key");
+
+ if (out == NULL || pub_key == NULL || pub_key->internal == NULL ||
+ ecdh == NULL || ecdh->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ /* set internal key if not done */
+ if (ecdh->inSet == 0)
+ {
+ WOLFSSL_MSG("No EC key internal set, do it");
+
+ if (SetECKeyInternal(ecdh) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyInternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+ }
+
+ len = (word32)outlen;
+
+ if (wc_ecc_shared_secret_ssh((ecc_key*)ecdh->internal,
+ (ecc_point*)pub_key->internal,
+ (byte *)out, &len) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ecc_shared_secret failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ return len;
+}
+/* End ECDH */
+
+#if !defined(NO_FILESYSTEM)
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_write_EC_PUBKEY(FILE *fp, WOLFSSL_EC_KEY *x)
+{
+ (void)fp;
+ (void)x;
+ WOLFSSL_STUB("PEM_write_EC_PUBKEY");
+ WOLFSSL_MSG("wolfSSL_PEM_write_EC_PUBKEY not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#endif /* NO_FILESYSTEM */
+
+#if defined(WOLFSSL_KEY_GEN)
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_write_bio_ECPrivateKey(WOLFSSL_BIO* bio, WOLFSSL_EC_KEY* ecc,
+ const EVP_CIPHER* cipher,
+ unsigned char* passwd, int len,
+ pem_password_cb* cb, void* arg)
+{
+ (void)bio;
+ (void)ecc;
+ (void)cipher;
+ (void)passwd;
+ (void)len;
+ (void)cb;
+ (void)arg;
+ WOLFSSL_STUB("PEM_write_bio_ECPrivateKey");
+ WOLFSSL_MSG("wolfSSL_PEM_write_bio_ECPrivateKey not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_mem_ECPrivateKey(WOLFSSL_EC_KEY* ecc,
+ const EVP_CIPHER* cipher,
+ unsigned char* passwd, int passwdSz,
+ unsigned char **pem, int *plen)
+{
+#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
+ byte *derBuf, *tmp, *cipherInfo = NULL;
+ int der_max_len = 0, derSz = 0;
+ const int type = ECC_PRIVATEKEY_TYPE;
+ const char* header = NULL;
+ const char* footer = NULL;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_mem_ECPrivateKey");
+
+ if (pem == NULL || plen == NULL || ecc == NULL || ecc->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_PemGetHeaderFooter(type, &header, &footer) != 0)
+ return WOLFSSL_FAILURE;
+
+ if (ecc->inSet == 0) {
+ WOLFSSL_MSG("No ECC internal set, do it");
+
+ if (SetECKeyInternal(ecc) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* 4 > size of pub, priv + ASN.1 additional informations
+ */
+ der_max_len = 4 * wc_ecc_size((ecc_key*)ecc->internal) + AES_BLOCK_SIZE;
+
+ derBuf = (byte*)XMALLOC(der_max_len, NULL, DYNAMIC_TYPE_DER);
+ if (derBuf == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* Key to DER */
+ derSz = wc_EccKeyToDer((ecc_key*)ecc->internal, derBuf, der_max_len);
+ if (derSz < 0) {
+ WOLFSSL_MSG("wc_DsaKeyToDer failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* encrypt DER buffer if required */
+ if (passwd != NULL && passwdSz > 0 && cipher != NULL) {
+ int ret;
+
+ ret = EncryptDerKey(derBuf, &derSz, cipher,
+ passwd, passwdSz, &cipherInfo);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("EncryptDerKey failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return ret;
+ }
+
+ /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1 + HEADER_ENCRYPTED_KEY_SIZE;
+ }
+ else { /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1;
+ }
+
+ tmp = (byte*)XMALLOC(*plen, NULL, DYNAMIC_TYPE_PEM);
+ if (tmp == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* DER to PEM */
+ *plen = wc_DerToPemEx(derBuf, derSz, tmp, *plen, cipherInfo, type);
+ if (*plen <= 0) {
+ WOLFSSL_MSG("wc_DerToPemEx failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+
+ *pem = (byte*)XMALLOC((*plen)+1, NULL, DYNAMIC_TYPE_KEY);
+ if (*pem == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(*pem, 0, (*plen)+1);
+
+ if (XMEMCPY(*pem, tmp, *plen) == NULL) {
+ WOLFSSL_MSG("XMEMCPY failed");
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+
+ return WOLFSSL_SUCCESS;
+#else
+ (void)ecc;
+ (void)cipher;
+ (void)passwd;
+ (void)passwdSz;
+ (void)pem;
+ (void)plen;
+ return WOLFSSL_FAILURE;
+#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
+}
+
+#ifndef NO_FILESYSTEM
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_ECPrivateKey(FILE *fp, WOLFSSL_EC_KEY *ecc,
+ const EVP_CIPHER *enc,
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ byte *pem;
+ int plen, ret;
+
+ (void)cb;
+ (void)u;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_ECPrivateKey");
+
+ if (fp == NULL || ecc == NULL || ecc->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = wolfSSL_PEM_write_mem_ECPrivateKey(ecc, enc, kstr, klen, &pem, &plen);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_PEM_write_mem_ECPrivateKey failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = (int)XFWRITE(pem, plen, 1, fp);
+ if (ret != 1) {
+ WOLFSSL_MSG("ECC private key file write failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_FILESYSTEM */
+#endif /* defined(WOLFSSL_KEY_GEN) */
+
+#endif /* HAVE_ECC */
+
+
+#ifndef NO_DSA
+
+#if defined(WOLFSSL_KEY_GEN)
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_bio_DSAPrivateKey(WOLFSSL_BIO* bio, WOLFSSL_DSA* dsa,
+ const EVP_CIPHER* cipher,
+ unsigned char* passwd, int len,
+ pem_password_cb* cb, void* arg)
+{
+ (void)bio;
+ (void)dsa;
+ (void)cipher;
+ (void)passwd;
+ (void)len;
+ (void)cb;
+ (void)arg;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_bio_DSAPrivateKey not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_mem_DSAPrivateKey(WOLFSSL_DSA* dsa,
+ const EVP_CIPHER* cipher,
+ unsigned char* passwd, int passwdSz,
+ unsigned char **pem, int *plen)
+{
+#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
+ byte *derBuf, *tmp, *cipherInfo = NULL;
+ int der_max_len = 0, derSz = 0;
+ const int type = DSA_PRIVATEKEY_TYPE;
+ const char* header = NULL;
+ const char* footer = NULL;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_mem_DSAPrivateKey");
+
+ if (pem == NULL || plen == NULL || dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (wc_PemGetHeaderFooter(type, &header, &footer) != 0)
+ return WOLFSSL_FAILURE;
+
+ if (dsa->inSet == 0) {
+ WOLFSSL_MSG("No DSA internal set, do it");
+
+ if (SetDsaInternal(dsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaInternal failed");
+ return WOLFSSL_FAILURE;
+ }
+ }
+
+ /* 4 > size of pub, priv, p, q, g + ASN.1 additional informations
+ */
+ der_max_len = 4 * wolfSSL_BN_num_bytes(dsa->g) + AES_BLOCK_SIZE;
+
+ derBuf = (byte*)XMALLOC(der_max_len, NULL, DYNAMIC_TYPE_DER);
+ if (derBuf == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* Key to DER */
+ derSz = wc_DsaKeyToDer((DsaKey*)dsa->internal, derBuf, der_max_len);
+ if (derSz < 0) {
+ WOLFSSL_MSG("wc_DsaKeyToDer failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* encrypt DER buffer if required */
+ if (passwd != NULL && passwdSz > 0 && cipher != NULL) {
+ int ret;
+
+ ret = EncryptDerKey(derBuf, &derSz, cipher,
+ passwd, passwdSz, &cipherInfo);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("EncryptDerKey failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ return ret;
+ }
+
+ /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1 + HEADER_ENCRYPTED_KEY_SIZE;
+ }
+ else { /* tmp buffer with a max size */
+ *plen = (derSz * 2) + (int)XSTRLEN(header) + 1 +
+ (int)XSTRLEN(footer) + 1;
+ }
+
+ tmp = (byte*)XMALLOC(*plen, NULL, DYNAMIC_TYPE_PEM);
+ if (tmp == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* DER to PEM */
+ *plen = wc_DerToPemEx(derBuf, derSz, tmp, *plen, cipherInfo, type);
+ if (*plen <= 0) {
+ WOLFSSL_MSG("wc_DerToPemEx failed");
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(derBuf, NULL, DYNAMIC_TYPE_DER);
+ if (cipherInfo != NULL)
+ XFREE(cipherInfo, NULL, DYNAMIC_TYPE_STRING);
+
+ *pem = (byte*)XMALLOC((*plen)+1, NULL, DYNAMIC_TYPE_KEY);
+ if (*pem == NULL) {
+ WOLFSSL_MSG("malloc failed");
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(*pem, 0, (*plen)+1);
+
+ if (XMEMCPY(*pem, tmp, *plen) == NULL) {
+ WOLFSSL_MSG("XMEMCPY failed");
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+ return WOLFSSL_FAILURE;
+ }
+ XFREE(tmp, NULL, DYNAMIC_TYPE_PEM);
+
+ return WOLFSSL_SUCCESS;
+#else
+ (void)dsa;
+ (void)cipher;
+ (void)passwd;
+ (void)passwdSz;
+ (void)pem;
+ (void)plen;
+ return WOLFSSL_FAILURE;
+#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
+}
+
+#ifndef NO_FILESYSTEM
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+int wolfSSL_PEM_write_DSAPrivateKey(FILE *fp, WOLFSSL_DSA *dsa,
+ const EVP_CIPHER *enc,
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+{
+ byte *pem;
+ int plen, ret;
+
+ (void)cb;
+ (void)u;
+
+ WOLFSSL_MSG("wolfSSL_PEM_write_DSAPrivateKey");
+
+ if (fp == NULL || dsa == NULL || dsa->internal == NULL) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = wolfSSL_PEM_write_mem_DSAPrivateKey(dsa, enc, kstr, klen, &pem, &plen);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_PEM_write_mem_DSAPrivateKey failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ ret = (int)XFWRITE(pem, plen, 1, fp);
+ if (ret != 1) {
+ WOLFSSL_MSG("DSA private key file write failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ XFREE(pem, NULL, DYNAMIC_TYPE_KEY);
+ return WOLFSSL_SUCCESS;
+}
+
+#endif /* NO_FILESYSTEM */
+#endif /* defined(WOLFSSL_KEY_GEN) */
+
+#ifndef NO_FILESYSTEM
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_write_DSA_PUBKEY(FILE *fp, WOLFSSL_DSA *x)
+{
+ (void)fp;
+ (void)x;
+ WOLFSSL_STUB("PEM_write_DSA_PUBKEY");
+ WOLFSSL_MSG("wolfSSL_PEM_write_DSA_PUBKEY not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+#endif /* NO_FILESYSTEM */
+
+#endif /* #ifndef NO_DSA */
+
+
+WOLFSSL_EVP_PKEY* wolfSSL_PEM_read_bio_PrivateKey(WOLFSSL_BIO* bio,
+ WOLFSSL_EVP_PKEY** key, pem_password_cb* cb, void* pass)
+{
+ WOLFSSL_EVP_PKEY* pkey = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ EncryptedInfo* info;
+#else
+ EncryptedInfo info[1];
+#endif /* WOLFSSL_SMALL_STACK */
+ pem_password_cb* localCb = cb;
+ DerBuffer* der = NULL;
+
+ char* mem = NULL;
+ int memSz;
+ int ret;
+ int eccFlag = 0;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_read_bio_PrivateKey");
+
+ if (bio == NULL) {
+ return pkey;
+ }
+
+ if ((ret = wolfSSL_BIO_pending(bio)) > 0) {
+ memSz = ret;
+ mem = (char*)XMALLOC(memSz, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ if (mem == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return NULL;
+ }
+
+ if ((ret = wolfSSL_BIO_read(bio, mem, memSz)) <= 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_PrivateKey", ret);
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ return NULL;
+ }
+ }
+ else if (bio->type == WOLFSSL_BIO_FILE) {
+ int sz = 100; /* read from file by 100 byte chuncks */
+ int idx = 0;
+ char* tmp = (char*)XMALLOC(sz, bio->heap, DYNAMIC_TYPE_OPENSSL);
+
+ memSz = 0;
+ if (tmp == NULL) {
+ WOLFSSL_MSG("Memory error");
+ return NULL;
+ }
+
+ while ((sz = wolfSSL_BIO_read(bio, tmp, sz)) > 0) {
+ if (memSz + sz < 0) {
+ /* sanity check */
+ break;
+ }
+ mem = (char*)XREALLOC(mem, memSz + sz, bio->heap,
+ DYNAMIC_TYPE_OPENSSL);
+ if (mem == NULL) {
+ WOLFSSL_MSG("Memory error");
+ XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ return NULL;
+ }
+ XMEMCPY(mem + idx, tmp, sz);
+ memSz += sz;
+ idx += sz;
+ sz = 100; /* read another 100 byte chunck from file */
+ }
+ XFREE(tmp, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ if (memSz <= 0) {
+ WOLFSSL_MSG("No data to read from bio");
+ if (mem != NULL) {
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ }
+ return NULL;
+ }
+ }
+ else {
+ WOLFSSL_MSG("No data to read from bio");
+ return NULL;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ info = (EncryptedInfo*)XMALLOC(sizeof(EncryptedInfo), NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (info == NULL) {
+ WOLFSSL_MSG("Error getting memory for EncryptedInfo structure");
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ return NULL;
+ }
+#endif
+
+ XMEMSET(info, 0, sizeof(EncryptedInfo));
+ info->passwd_cb = localCb;
+ info->passwd_userdata = pass;
+ ret = PemToDer((const unsigned char*)mem, memSz, PRIVATEKEY_TYPE, &der,
+ NULL, info, &eccFlag);
+
+ if (ret < 0) {
+ WOLFSSL_MSG("Bad Pem To Der");
+ }
+ else {
+ int type;
+ const unsigned char* ptr = der->buffer;
+
+ /* write left over data back to bio */
+ if ((memSz - (int)info->consumed) > 0 &&
+ bio->type != WOLFSSL_BIO_FILE) {
+ if (wolfSSL_BIO_write(bio, mem + (int)info->consumed,
+ memSz - (int)info->consumed) <= 0) {
+ WOLFSSL_MSG("Unable to advance bio read pointer");
+ }
+ }
+
+ if (eccFlag) {
+ type = EVP_PKEY_EC;
+ }
+ else {
+ type = EVP_PKEY_RSA;
+ }
+
+ /* handle case where reuse is attempted */
+ if (key != NULL && *key != NULL) {
+ pkey = *key;
+ }
+
+ wolfSSL_d2i_PrivateKey(type, &pkey, &ptr, der->length);
+ if (pkey == NULL) {
+ WOLFSSL_MSG("Error loading DER buffer into WOLFSSL_EVP_PKEY");
+ }
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(info, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+#endif
+
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_OPENSSL);
+ FreeDer(&der);
+
+ if (key != NULL) {
+ *key = pkey;
+ }
+
+ return pkey;
+}
+
+
+#ifndef NO_RSA
+/* Uses the same format of input as wolfSSL_PEM_read_bio_PrivateKey but expects
+ * the results to be an RSA key.
+ *
+ * bio structure to read RSA private key from
+ * rsa if not null is then set to the result
+ * cb password callback for reading PEM
+ * pass password string
+ *
+ * returns a pointer to a new WOLFSSL_RSA structure on success and NULL on fail
+ */
+WOLFSSL_RSA* wolfSSL_PEM_read_bio_RSAPrivateKey(WOLFSSL_BIO* bio,
+ WOLFSSL_RSA** rsa, pem_password_cb* cb, void* pass)
+{
+ WOLFSSL_EVP_PKEY* pkey;
+ WOLFSSL_RSA* local;
+
+ pkey = wolfSSL_PEM_read_bio_PrivateKey(bio, NULL, cb, pass);
+ if (pkey == NULL) {
+ return NULL;
+ }
+
+ /* Since the WOLFSSL_RSA structure is being taken from WOLFSSL_EVP_PEKY the
+ * flag indicating that the WOLFSSL_RSA structure is owned should be FALSE
+ * to avoid having it free'd */
+ pkey->ownRsa = 0;
+ local = pkey->rsa;
+ if (rsa != NULL) {
+ *rsa = local;
+ }
+
+ wolfSSL_EVP_PKEY_free(pkey);
+ return local;
+}
+#endif /* !NO_RSA */
+
+
+/* return of pkey->type which will be EVP_PKEY_RSA for example.
+ *
+ * type type of EVP_PKEY
+ *
+ * returns type or if type is not found then NID_undef
+ */
+int wolfSSL_EVP_PKEY_type(int type)
+{
+ WOLFSSL_MSG("wolfSSL_EVP_PKEY_type");
+
+ switch (type) {
+ #ifdef OPENSSL_EXTRA
+ case EVP_PKEY_RSA:
+ return EVP_PKEY_RSA;
+ case EVP_PKEY_DSA:
+ return EVP_PKEY_DSA;
+ case EVP_PKEY_EC:
+ return EVP_PKEY_EC;
+ #endif
+ default:
+ return NID_undef;
+ }
+}
+
+
+int wolfSSL_EVP_PKEY_base_id(const EVP_PKEY *pkey)
+{
+ return EVP_PKEY_type(pkey->type);
+}
+
+
+#if !defined(NO_FILESYSTEM)
+WOLFSSL_EVP_PKEY *wolfSSL_PEM_read_PUBKEY(FILE *fp, EVP_PKEY **x,
+ pem_password_cb *cb, void *u)
+{
+ (void)fp;
+ (void)x;
+ (void)cb;
+ (void)u;
+
+ WOLFSSL_MSG("wolfSSL_PEM_read_PUBKEY not implemented");
+
+ return NULL;
+}
+#endif /* NO_FILESYSTEM */
+
+#ifndef NO_RSA
+
+#if !defined(NO_FILESYSTEM)
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_RSA *wolfSSL_PEM_read_RSAPublicKey(FILE *fp, WOLFSSL_RSA **x,
+ pem_password_cb *cb, void *u)
+{
+ (void)fp;
+ (void)x;
+ (void)cb;
+ (void)u;
+ WOLFSSL_STUB("PEM_read_RSAPublicKey");
+ WOLFSSL_MSG("wolfSSL_PEM_read_RSAPublicKey not implemented");
+
+ return NULL;
+}
+#endif
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_write_RSAPublicKey(FILE *fp, WOLFSSL_RSA *x)
+{
+ (void)fp;
+ (void)x;
+ WOLFSSL_STUB("PEM_write_RSAPublicKey");
+ WOLFSSL_MSG("wolfSSL_PEM_write_RSAPublicKey not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+/* return code compliant with OpenSSL :
+ * 1 if success, 0 if error
+ */
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_PEM_write_RSA_PUBKEY(FILE *fp, WOLFSSL_RSA *x)
+{
+ (void)fp;
+ (void)x;
+ WOLFSSL_STUB("PEM_write_RSA_PUBKEY");
+ WOLFSSL_MSG("wolfSSL_PEM_write_RSA_PUBKEY not implemented");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#endif /* NO_FILESYSTEM */
+
+WOLFSSL_RSA *wolfSSL_d2i_RSAPublicKey(WOLFSSL_RSA **r, const unsigned char **pp, long len)
+{
+ WOLFSSL_RSA *rsa = NULL;
+
+ WOLFSSL_ENTER("d2i_RSAPublicKey");
+
+ if(pp == NULL){
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+ if((rsa = wolfSSL_RSA_new()) == NULL){
+ WOLFSSL_MSG("RSA_new failed");
+ return NULL;
+ }
+
+ if(wolfSSL_RSA_LoadDer_ex(rsa, *pp, (int)len, WOLFSSL_RSA_LOAD_PUBLIC)
+ != WOLFSSL_SUCCESS){
+ WOLFSSL_MSG("RSA_LoadDer failed");
+ wolfSSL_RSA_free(rsa);
+ rsa = NULL;
+ return NULL;
+ }
+ if(r != NULL)
+ *r = rsa;
+ return rsa;
+}
+
+/* Converts an rsa private key from der format to an rsa structure.
+Returns pointer to the rsa structure on succcess and NULL if error. */
+WOLFSSL_RSA *wolfSSL_d2i_RSAPrivateKey(WOLFSSL_RSA **r,
+ const unsigned char **derBuf, long derSz)
+{
+ WOLFSSL_RSA *rsa = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_RSAPrivateKey");
+
+ /* check for bad functions arguments */
+ if (derBuf == NULL) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+ if ((rsa = wolfSSL_RSA_new()) == NULL) {
+ WOLFSSL_MSG("RSA_new failed");
+ return NULL;
+ }
+
+ if (wolfSSL_RSA_LoadDer_ex(rsa, *derBuf, (int)derSz,
+ WOLFSSL_RSA_LOAD_PRIVATE) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("RSA_LoadDer failed");
+ wolfSSL_RSA_free(rsa);
+ rsa = NULL;
+ return NULL;
+ }
+ if(r != NULL)
+ *r = rsa;
+
+ return rsa;
+}
+
+#if !defined(HAVE_FAST_RSA)
+#if defined(WOLFSSL_KEY_GEN)
+
+/* Converts an internal rsa structure to der format.
+Returns size of der on success and WOLFSSL_FAILURE if error */
+int wolfSSL_i2d_RSAPrivateKey(WOLFSSL_RSA *rsa, unsigned char **pp)
+{
+ byte* der = NULL;
+ int derMax;
+ int ret;
+ int i;
+
+ WOLFSSL_ENTER("wolfSSL_i2d_RSAPrivateKey");
+
+ /* check for bad functions arguments */
+ if ((rsa == NULL) || (pp == NULL)) {
+ WOLFSSL_MSG("Bad Function Arguments");
+ return BAD_FUNC_ARG;
+ }
+
+ if (rsa->inSet == 0) {
+ if ((ret = SetRsaInternal(rsa)) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal() Failed");
+ return ret;
+ }
+ }
+
+ /* 5 > size of n, d, p, q, d%(p-1), d(q-1), 1/q%p, e + ASN.1 additional
+ * informations
+ */
+ derMax = 5 * wolfSSL_RSA_size(rsa) + AES_BLOCK_SIZE;
+
+ der = (byte*)XMALLOC(derMax, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (der == NULL) {
+ WOLFSSL_MSG("Malloc failed");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* RSA key to DER */
+ if ((ret = wc_RsaKeyToDer((RsaKey *)rsa->internal, der, derMax)) < 0) {
+ WOLFSSL_MSG("wc_RsaKeyToDer() failed");
+ XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ der = NULL;
+ return ret;
+ }
+
+ /* ret is the size of the der buffer */
+ for (i = 0; i < ret; i++) {
+ *(*pp + i) = *(der + i);
+ }
+ *pp += ret;
+
+ XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return ret; /* returns size of der if successful */
+}
+#endif /* WOLFSSL_KEY_GEN */
+
+
+int wolfSSL_i2d_RSAPublicKey(WOLFSSL_RSA *rsa, const unsigned char **pp)
+{
+ byte *der;
+ int derLen;
+ int ret;
+
+ WOLFSSL_ENTER("i2d_RSAPublicKey");
+ if ((rsa == NULL) || (pp == NULL))
+ return WOLFSSL_FATAL_ERROR;
+ if ((ret = SetRsaInternal(rsa)) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaInternal Failed");
+ return ret;
+ }
+ if ((derLen = RsaPublicKeyDerSize((RsaKey *)rsa->internal, 1)) < 0)
+ return WOLFSSL_FATAL_ERROR;
+ der = (byte*)XMALLOC(derLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (der == NULL) {
+ return WOLFSSL_FATAL_ERROR;
+ }
+ if ((ret = wc_RsaKeyToPublicDer((RsaKey *)rsa->internal, der, derLen)) < 0){
+ WOLFSSL_MSG("RsaKeyToPublicDer failed");
+ XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return ret;
+ }
+
+ *pp = der;
+ return ret;
+}
+#endif /* #if !defined(HAVE_FAST_RSA) */
+
+#endif /* !NO_RSA */
+#endif /* OPENSSL_EXTRA */
+
+#if !defined(NO_RSA) && (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL))
+/* return WOLFSSL_SUCCESS if success, WOLFSSL_FATAL_ERROR if error */
+int wolfSSL_RSA_LoadDer(WOLFSSL_RSA* rsa, const unsigned char* derBuf, int derSz)
+{
+ return wolfSSL_RSA_LoadDer_ex(rsa, derBuf, derSz, WOLFSSL_RSA_LOAD_PRIVATE);
+}
+
+
+int wolfSSL_RSA_LoadDer_ex(WOLFSSL_RSA* rsa, const unsigned char* derBuf,
+ int derSz, int opt)
+{
+
+ word32 idx = 0;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_RSA_LoadDer");
+
+ if (rsa == NULL || rsa->internal == NULL || derBuf == NULL || derSz <= 0) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (opt == WOLFSSL_RSA_LOAD_PRIVATE) {
+ ret = wc_RsaPrivateKeyDecode(derBuf, &idx, (RsaKey*)rsa->internal, derSz);
+ }
+ else {
+ ret = wc_RsaPublicKeyDecode(derBuf, &idx, (RsaKey*)rsa->internal, derSz);
+ }
+
+ if (ret < 0) {
+ if (opt == WOLFSSL_RSA_LOAD_PRIVATE) {
+ WOLFSSL_MSG("RsaPrivateKeyDecode failed");
+ }
+ else {
+ WOLFSSL_MSG("RsaPublicKeyDecode failed");
+ }
+ return SSL_FATAL_ERROR;
+ }
+
+ if (SetRsaExternal(rsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetRsaExternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ rsa->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_RSA */
+
+#ifdef OPENSSL_EXTRA
+#ifndef NO_DSA
+/* return WOLFSSL_SUCCESS if success, WOLFSSL_FATAL_ERROR if error */
+int wolfSSL_DSA_LoadDer(WOLFSSL_DSA* dsa, const unsigned char* derBuf, int derSz)
+{
+ word32 idx = 0;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_DSA_LoadDer");
+
+ if (dsa == NULL || dsa->internal == NULL || derBuf == NULL || derSz <= 0) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ret = DsaPrivateKeyDecode(derBuf, &idx, (DsaKey*)dsa->internal, derSz);
+ if (ret < 0) {
+ WOLFSSL_MSG("DsaPrivateKeyDecode failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetDsaExternal(dsa) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetDsaExternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ dsa->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* NO_DSA */
+
+#ifdef HAVE_ECC
+/* return WOLFSSL_SUCCESS if success, WOLFSSL_FATAL_ERROR if error */
+int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
+ const unsigned char* derBuf, int derSz)
+{
+ word32 idx = 0;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_EC_KEY_LoadDer");
+
+ if (key == NULL || key->internal == NULL || derBuf == NULL || derSz <= 0) {
+ WOLFSSL_MSG("Bad function arguments");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ ret = wc_EccPrivateKeyDecode(derBuf, &idx, (ecc_key*)key->internal, derSz);
+ if (ret < 0) {
+ WOLFSSL_MSG("wc_EccPrivateKeyDecode failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ if (SetECKeyExternal(key) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("SetECKeyExternal failed");
+ return WOLFSSL_FATAL_ERROR;
+ }
+
+ key->inSet = 1;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_ECC */
+
+
+#endif /* OPENSSL_EXTRA */
+
+
+#ifdef WOLFSSL_ALT_CERT_CHAINS
+int wolfSSL_is_peer_alt_cert_chain(const WOLFSSL* ssl)
+{
+ int isUsing = 0;
+ if (ssl)
+ isUsing = ssl->options.usingAltCertChain;
+ return isUsing;
+}
+#endif /* WOLFSSL_ALT_CERT_CHAINS */
+
+
+#ifdef SESSION_CERTS
+
+#ifdef WOLFSSL_ALT_CERT_CHAINS
+/* Get peer's alternate certificate chain */
+WOLFSSL_X509_CHAIN* wolfSSL_get_peer_alt_chain(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_peer_alt_chain");
+ if (ssl)
+ return &ssl->session.altChain;
+
+ return 0;
+}
+#endif /* WOLFSSL_ALT_CERT_CHAINS */
+
+
+/* Get peer's certificate chain */
+WOLFSSL_X509_CHAIN* wolfSSL_get_peer_chain(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_peer_chain");
+ if (ssl)
+ return &ssl->session.chain;
+
+ return 0;
+}
+
+
+/* Get peer's certificate chain total count */
+int wolfSSL_get_chain_count(WOLFSSL_X509_CHAIN* chain)
+{
+ WOLFSSL_ENTER("wolfSSL_get_chain_count");
+ if (chain)
+ return chain->count;
+
+ return 0;
+}
+
+
+/* Get peer's ASN.1 DER certificate at index (idx) length in bytes */
+int wolfSSL_get_chain_length(WOLFSSL_X509_CHAIN* chain, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_get_chain_length");
+ if (chain)
+ return chain->certs[idx].length;
+
+ return 0;
+}
+
+
+/* Get peer's ASN.1 DER certificate at index (idx) */
+byte* wolfSSL_get_chain_cert(WOLFSSL_X509_CHAIN* chain, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_get_chain_cert");
+ if (chain)
+ return chain->certs[idx].buffer;
+
+ return 0;
+}
+
+
+/* Get peer's wolfSSL X509 certificate at index (idx) */
+WOLFSSL_X509* wolfSSL_get_chain_X509(WOLFSSL_X509_CHAIN* chain, int idx)
+{
+ int ret;
+ WOLFSSL_X509* x509 = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_get_chain_X509");
+ if (chain != NULL) {
+ #ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
+ DYNAMIC_TYPE_DCERT);
+ if (cert != NULL)
+ #endif
+ {
+ InitDecodedCert(cert, chain->certs[idx].buffer,
+ chain->certs[idx].length, NULL);
+
+ if ((ret = ParseCertRelative(cert, CERT_TYPE, 0, NULL)) != 0) {
+ WOLFSSL_MSG("Failed to parse cert");
+ }
+ else {
+ x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
+ DYNAMIC_TYPE_X509);
+ if (x509 == NULL) {
+ WOLFSSL_MSG("Failed alloc X509");
+ }
+ else {
+ InitX509(x509, 1, NULL);
+
+ if ((ret = CopyDecodedToX509(x509, cert)) != 0) {
+ WOLFSSL_MSG("Failed to copy decoded");
+ XFREE(x509, NULL, DYNAMIC_TYPE_X509);
+ x509 = NULL;
+ }
+ }
+ }
+
+ FreeDecodedCert(cert);
+ #ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+ #endif
+ }
+ }
+ (void)ret;
+
+ return x509;
+}
+
+
+/* Get peer's PEM certificate at index (idx), output to buffer if inLen big
+ enough else return error (-1). If buffer is NULL only calculate
+ outLen. Output length is in *outLen WOLFSSL_SUCCESS on ok */
+int wolfSSL_get_chain_cert_pem(WOLFSSL_X509_CHAIN* chain, int idx,
+ unsigned char* buf, int inLen, int* outLen)
+{
+#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
+ const char* header = NULL;
+ const char* footer = NULL;
+ int headerLen;
+ int footerLen;
+ int i;
+ int err;
+ word32 szNeeded = 0;
+
+ WOLFSSL_ENTER("wolfSSL_get_chain_cert_pem");
+ if (!chain || !outLen || idx < 0 || idx >= wolfSSL_get_chain_count(chain))
+ return BAD_FUNC_ARG;
+
+ err = wc_PemGetHeaderFooter(CERT_TYPE, &header, &footer);
+ if (err != 0)
+ return err;
+
+ headerLen = (int)XSTRLEN(header);
+ footerLen = (int)XSTRLEN(footer);
+
+ /* Null output buffer return size needed in outLen */
+ if(!buf) {
+ if(Base64_Encode(chain->certs[idx].buffer, chain->certs[idx].length,
+ NULL, &szNeeded) != LENGTH_ONLY_E)
+ return WOLFSSL_FAILURE;
+ *outLen = szNeeded + headerLen + footerLen;
+ return LENGTH_ONLY_E;
+ }
+
+ /* don't even try if inLen too short */
+ if (inLen < headerLen + footerLen + chain->certs[idx].length)
+ return BAD_FUNC_ARG;
+
+ /* header */
+ if (XMEMCPY(buf, header, headerLen) == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ i = headerLen;
+
+ /* body */
+ *outLen = inLen; /* input to Base64_Encode */
+ if ( (err = Base64_Encode(chain->certs[idx].buffer,
+ chain->certs[idx].length, buf + i, (word32*)outLen)) < 0)
+ return err;
+ i += *outLen;
+
+ /* footer */
+ if ( (i + footerLen) > inLen)
+ return BAD_FUNC_ARG;
+ if (XMEMCPY(buf + i, footer, footerLen) == NULL)
+ return WOLFSSL_FATAL_ERROR;
+ *outLen += headerLen + footerLen;
+
+ return WOLFSSL_SUCCESS;
+#else
+ (void)chain;
+ (void)idx;
+ (void)buf;
+ (void)inLen;
+ (void)outLen;
+ return WOLFSSL_FAILURE;
+#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
+}
+
+
+/* get session ID */
+const byte* wolfSSL_get_sessionID(const WOLFSSL_SESSION* session)
+{
+ WOLFSSL_ENTER("wolfSSL_get_sessionID");
+ if (session)
+ return session->sessionID;
+
+ return NULL;
+}
+
+
+#endif /* SESSION_CERTS */
+
+#ifdef HAVE_FUZZER
+void wolfSSL_SetFuzzerCb(WOLFSSL* ssl, CallbackFuzzer cbf, void* fCtx)
+{
+ if (ssl) {
+ ssl->fuzzerCb = cbf;
+ ssl->fuzzerCtx = fCtx;
+ }
+}
+#endif
+
+#ifndef NO_CERTS
+#ifdef HAVE_PK_CALLBACKS
+
+#ifdef HAVE_ECC
+void wolfSSL_CTX_SetEccKeyGenCb(WOLFSSL_CTX* ctx, CallbackEccKeyGen cb)
+{
+ if (ctx)
+ ctx->EccKeyGenCb = cb;
+}
+void wolfSSL_SetEccKeyGenCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->EccKeyGenCtx = ctx;
+}
+void* wolfSSL_GetEccKeyGenCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->EccKeyGenCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetEccSignCb(WOLFSSL_CTX* ctx, CallbackEccSign cb)
+{
+ if (ctx)
+ ctx->EccSignCb = cb;
+}
+void wolfSSL_SetEccSignCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->EccSignCtx = ctx;
+}
+void* wolfSSL_GetEccSignCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->EccSignCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetEccVerifyCb(WOLFSSL_CTX* ctx, CallbackEccVerify cb)
+{
+ if (ctx)
+ ctx->EccVerifyCb = cb;
+}
+void wolfSSL_SetEccVerifyCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->EccVerifyCtx = ctx;
+}
+void* wolfSSL_GetEccVerifyCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->EccVerifyCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetEccSharedSecretCb(WOLFSSL_CTX* ctx, CallbackEccSharedSecret cb)
+{
+ if (ctx)
+ ctx->EccSharedSecretCb = cb;
+}
+void wolfSSL_SetEccSharedSecretCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->EccSharedSecretCtx = ctx;
+}
+void* wolfSSL_GetEccSharedSecretCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->EccSharedSecretCtx;
+
+ return NULL;
+}
+#endif /* HAVE_ECC */
+
+#ifdef HAVE_ED25519
+void wolfSSL_CTX_SetEd25519SignCb(WOLFSSL_CTX* ctx, CallbackEd25519Sign cb)
+{
+ if (ctx)
+ ctx->Ed25519SignCb = cb;
+}
+void wolfSSL_SetEd25519SignCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->Ed25519SignCtx = ctx;
+}
+void* wolfSSL_GetEd25519SignCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->Ed25519SignCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetEd25519VerifyCb(WOLFSSL_CTX* ctx, CallbackEd25519Verify cb)
+{
+ if (ctx)
+ ctx->Ed25519VerifyCb = cb;
+}
+void wolfSSL_SetEd25519VerifyCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->Ed25519VerifyCtx = ctx;
+}
+void* wolfSSL_GetEd25519VerifyCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->Ed25519VerifyCtx;
+
+ return NULL;
+}
+#endif /* HAVE_ED25519 */
+
+#ifdef HAVE_CURVE25519
+void wolfSSL_CTX_SetX25519KeyGenCb(WOLFSSL_CTX* ctx,
+ CallbackX25519KeyGen cb)
+{
+ if (ctx)
+ ctx->X25519KeyGenCb = cb;
+}
+void wolfSSL_SetX25519KeyGenCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->X25519KeyGenCtx = ctx;
+}
+void* wolfSSL_GetX25519KeyGenCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->X25519KeyGenCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetX25519SharedSecretCb(WOLFSSL_CTX* ctx,
+ CallbackX25519SharedSecret cb)
+{
+ if (ctx)
+ ctx->X25519SharedSecretCb = cb;
+}
+void wolfSSL_SetX25519SharedSecretCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->X25519SharedSecretCtx = ctx;
+}
+void* wolfSSL_GetX25519SharedSecretCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->X25519SharedSecretCtx;
+
+ return NULL;
+}
+#endif /* HAVE_CURVE25519 */
+
+#ifndef NO_RSA
+void wolfSSL_CTX_SetRsaSignCb(WOLFSSL_CTX* ctx, CallbackRsaSign cb)
+{
+ if (ctx)
+ ctx->RsaSignCb = cb;
+}
+void wolfSSL_CTX_SetRsaSignCheckCb(WOLFSSL_CTX* ctx, CallbackRsaVerify cb)
+{
+ if (ctx)
+ ctx->RsaSignCheckCb = cb;
+}
+void wolfSSL_SetRsaSignCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaSignCtx = ctx;
+}
+void* wolfSSL_GetRsaSignCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaSignCtx;
+
+ return NULL;
+}
+
+
+void wolfSSL_CTX_SetRsaVerifyCb(WOLFSSL_CTX* ctx, CallbackRsaVerify cb)
+{
+ if (ctx)
+ ctx->RsaVerifyCb = cb;
+}
+void wolfSSL_SetRsaVerifyCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaVerifyCtx = ctx;
+}
+void* wolfSSL_GetRsaVerifyCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaVerifyCtx;
+
+ return NULL;
+}
+
+#ifdef WC_RSA_PSS
+void wolfSSL_CTX_SetRsaPssSignCb(WOLFSSL_CTX* ctx, CallbackRsaPssSign cb)
+{
+ if (ctx)
+ ctx->RsaPssSignCb = cb;
+}
+void wolfSSL_CTX_SetRsaPssSignCheckCb(WOLFSSL_CTX* ctx, CallbackRsaPssVerify cb)
+{
+ if (ctx)
+ ctx->RsaPssSignCheckCb = cb;
+}
+void wolfSSL_SetRsaPssSignCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaPssSignCtx = ctx;
+}
+void* wolfSSL_GetRsaPssSignCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaPssSignCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetRsaPssVerifyCb(WOLFSSL_CTX* ctx, CallbackRsaPssVerify cb)
+{
+ if (ctx)
+ ctx->RsaPssVerifyCb = cb;
+}
+void wolfSSL_SetRsaPssVerifyCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaPssVerifyCtx = ctx;
+}
+void* wolfSSL_GetRsaPssVerifyCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaPssVerifyCtx;
+
+ return NULL;
+}
+#endif /* WC_RSA_PSS */
+
+void wolfSSL_CTX_SetRsaEncCb(WOLFSSL_CTX* ctx, CallbackRsaEnc cb)
+{
+ if (ctx)
+ ctx->RsaEncCb = cb;
+}
+void wolfSSL_SetRsaEncCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaEncCtx = ctx;
+}
+void* wolfSSL_GetRsaEncCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaEncCtx;
+
+ return NULL;
+}
+
+void wolfSSL_CTX_SetRsaDecCb(WOLFSSL_CTX* ctx, CallbackRsaDec cb)
+{
+ if (ctx)
+ ctx->RsaDecCb = cb;
+}
+void wolfSSL_SetRsaDecCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->RsaDecCtx = ctx;
+}
+void* wolfSSL_GetRsaDecCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->RsaDecCtx;
+
+ return NULL;
+}
+#endif /* NO_RSA */
+
+#endif /* HAVE_PK_CALLBACKS */
+#endif /* NO_CERTS */
+
+#if defined(HAVE_PK_CALLBACKS) && !defined(NO_DH)
+void wolfSSL_CTX_SetDhAgreeCb(WOLFSSL_CTX* ctx, CallbackDhAgree cb)
+{
+ if (ctx)
+ ctx->DhAgreeCb = cb;
+}
+void wolfSSL_SetDhAgreeCtx(WOLFSSL* ssl, void *ctx)
+{
+ if (ssl)
+ ssl->DhAgreeCtx = ctx;
+}
+void* wolfSSL_GetDhAgreeCtx(WOLFSSL* ssl)
+{
+ if (ssl)
+ return ssl->DhAgreeCtx;
+
+ return NULL;
+}
+#endif /* HAVE_PK_CALLBACKS && !NO_DH */
+
+
+#ifdef WOLFSSL_HAVE_WOLFSCEP
+ /* Used by autoconf to see if wolfSCEP is available */
+ void wolfSSL_wolfSCEP(void) {}
+#endif
+
+
+#ifdef WOLFSSL_HAVE_CERT_SERVICE
+ /* Used by autoconf to see if cert service is available */
+ void wolfSSL_cert_service(void) {}
+#endif
+
+
+#ifdef OPENSSL_EXTRA /*Lighttp compatibility*/
+
+ #ifndef NO_CERTS
+ void wolfSSL_X509_NAME_free(WOLFSSL_X509_NAME *name){
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_free");
+ FreeX509Name(name, NULL);
+ XFREE(name, NULL, DYNAMIC_TYPE_X509);
+ }
+
+
+ /* Malloc's a new WOLFSSL_X509_NAME structure
+ *
+ * returns NULL on failure, otherwise returns a new structure.
+ */
+ WOLFSSL_X509_NAME* wolfSSL_X509_NAME_new()
+ {
+ WOLFSSL_X509_NAME* name;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_new");
+
+ name = (WOLFSSL_X509_NAME*)XMALLOC(sizeof(WOLFSSL_X509_NAME), NULL,
+ DYNAMIC_TYPE_X509);
+ if (name != NULL) {
+ InitX509Name(name, 1);
+ }
+ return name;
+ }
+
+
+#if defined(WOLFSSL_CERT_GEN) && !defined(NO_RSA)
+/* needed SetName function from asn.c is wrapped by NO_RSA */
+ /* helper function for CopyX509NameToCertName()
+ *
+ * returns WOLFSSL_SUCCESS on success
+ */
+ static int CopyX509NameEntry(char* out, int mx, char* in, int inLen)
+ {
+ if (inLen > mx) {
+ WOLFSSL_MSG("Name too long");
+ XMEMCPY(out, in, mx);
+ }
+ else {
+ XMEMCPY(out, in, inLen);
+ out[inLen] = '\0';
+ }
+
+ /* make sure is null terminated */
+ out[mx-1] = '\0';
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* Helper function to copy cert name from a WOLFSSL_X509_NAME structure to
+ * a CertName structure.
+ *
+ * returns WOLFSSL_SUCCESS on success and a negative error value on failure
+ */
+ static int CopyX509NameToCertName(WOLFSSL_X509_NAME* n, CertName* cName)
+ {
+ DecodedName* dn = NULL;
+
+ if (n == NULL || cName == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ dn = &(n->fullName);
+
+ /* initialize cert name */
+ cName->country[0] = '\0';
+ cName->countryEnc = CTC_PRINTABLE;
+ cName->state[0] = '\0';
+ cName->stateEnc = CTC_UTF8;
+ cName->locality[0] = '\0';
+ cName->localityEnc = CTC_UTF8;
+ cName->sur[0] = '\0';
+ cName->surEnc = CTC_UTF8;
+ cName->org[0] = '\0';
+ cName->orgEnc = CTC_UTF8;
+ cName->unit[0] = '\0';
+ cName->unitEnc = CTC_UTF8;
+ cName->commonName[0] = '\0';
+ cName->commonNameEnc = CTC_UTF8;
+ cName->email[0] = '\0';
+
+
+ /* ASN_COUNTRY_NAME */
+ WOLFSSL_MSG("Copy Country Name");
+ if (CopyX509NameEntry(cName->country, CTC_NAME_SIZE, dn->fullName + dn->cIdx,
+ dn->cLen) != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_ORGUNIT_NAME */
+ WOLFSSL_MSG("Copy Org Unit Name");
+ if (CopyX509NameEntry(cName->unit, CTC_NAME_SIZE, dn->fullName + dn->ouIdx,
+ dn->ouLen) != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_ORG_NAME */
+ WOLFSSL_MSG("Copy Org Name");
+ if (CopyX509NameEntry(cName->org, CTC_NAME_SIZE, dn->fullName + dn->oIdx,
+ dn->oLen) != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_STATE_NAME */
+ WOLFSSL_MSG("Copy State Name");
+ if (CopyX509NameEntry(cName->state, CTC_NAME_SIZE, dn->fullName + dn->stIdx,
+ dn->stLen) != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_LOCALITY_NAME */
+ WOLFSSL_MSG("Copy Locality Name");
+ if (CopyX509NameEntry(cName->locality, CTC_NAME_SIZE,
+ dn->fullName + dn->lIdx, dn->lLen)
+ != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_SUR_NAME */
+ WOLFSSL_MSG("Copy Sur Name");
+ if (CopyX509NameEntry(cName->sur, CTC_NAME_SIZE, dn->fullName + dn->snIdx,
+ dn->snLen) != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ /* ASN_COMMON_NAME */
+ WOLFSSL_MSG("Copy Common Name");
+ if (CopyX509NameEntry(cName->commonName, CTC_NAME_SIZE,
+ dn->fullName + dn->cnIdx, dn->cnLen)
+ != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ WOLFSSL_MSG("Copy Email");
+ if (CopyX509NameEntry(cName->email, CTC_NAME_SIZE,
+ dn->fullName + dn->emailIdx, dn->emailLen)
+ != SSL_SUCCESS) {
+ return BUFFER_E;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+
+ /* Converts the x509 name structure into DER format.
+ *
+ * out pointer to either a pre setup buffer or a pointer to null for
+ * creating a dynamic buffer. In the case that a pre-existing buffer is
+ * used out will be incremented the size of the DER buffer on success.
+ *
+ * returns the size of the buffer on success, or negative value with failure
+ */
+ int wolfSSL_i2d_X509_NAME(WOLFSSL_X509_NAME* name, unsigned char** out)
+ {
+ CertName cName;
+ unsigned char buf[256]; /* ASN_MAX_NAME */
+ int sz;
+
+ if (out == NULL || name == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ if (CopyX509NameToCertName(name, &cName) != SSL_SUCCESS) {
+ WOLFSSL_MSG("Error converting x509 name to internal CertName");
+ return SSL_FATAL_ERROR;
+ }
+
+ sz = SetName(buf, sizeof(buf), &cName);
+ if (sz < 0) {
+ return sz;
+ }
+
+ /* using buffer passed in */
+ if (*out != NULL) {
+ XMEMCPY(*out, buf, sz);
+ *out += sz;
+ }
+ else {
+ *out = (unsigned char*)XMALLOC(sz, NULL, DYNAMIC_TYPE_OPENSSL);
+ if (*out == NULL) {
+ return MEMORY_E;
+ }
+ XMEMCPY(*out, buf, sz);
+ }
+
+ return sz;
+ }
+#endif /* WOLFSSL_CERT_GEN */
+
+
+ /* Compares the two X509 names. If the size of x is larger then y then a
+ * positive value is returned if x is smaller a negative value is returned.
+ * In the case that the sizes are equal a the value of memcmp between the
+ * two names is returned.
+ *
+ * x First name for comparision
+ * y Second name to compare with x
+ */
+ int wolfSSL_X509_NAME_cmp(const WOLFSSL_X509_NAME* x,
+ const WOLFSSL_X509_NAME* y)
+ {
+ WOLFSSL_STUB("wolfSSL_X509_NAME_cmp");
+
+ if (x == NULL || y == NULL) {
+ WOLFSSL_MSG("Bad argument passed in");
+ return -2;
+ }
+
+ if ((x->sz - y->sz) != 0) {
+ return x->sz - y->sz;
+ }
+ else {
+ return XMEMCMP(x->name, y->name, x->sz); /* y sz is the same */
+ }
+ }
+
+
+ WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509(WOLFSSL_BIO *bp, WOLFSSL_X509 **x,
+ pem_password_cb *cb, void *u)
+ {
+ WOLFSSL_X509* x509 = NULL;
+#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
+ unsigned char* pem = NULL;
+ int pemSz;
+ long i = 0, l;
+ const char* footer = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_read_bio_X509");
+
+ if (bp == NULL) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_X509", BAD_FUNC_ARG);
+ return NULL;
+ }
+
+ if (bp->type == WOLFSSL_BIO_MEMORY) {
+ l = (long)wolfSSL_BIO_ctrl_pending(bp);
+ if (l <= 0) {
+ WOLFSSL_MSG("No pending data in WOLFSSL_BIO");
+ return NULL;
+ }
+ }
+ else if (bp->type == WOLFSSL_BIO_FILE) {
+#ifndef NO_FILESYSTEM
+ /* Read in next certificate from file but no more. */
+ i = XFTELL(bp->file);
+ if (i < 0)
+ return NULL;
+ if (XFSEEK(bp->file, 0, SEEK_END) != 0)
+ return NULL;
+ l = XFTELL(bp->file);
+ if (l < 0)
+ return NULL;
+ if (XFSEEK(bp->file, i, SEEK_SET) != 0)
+ return NULL;
+
+ /* check calculated length */
+ if (l - i < 0)
+ return NULL;
+
+ l -= i;
+#else
+ WOLFSSL_MSG("Unable to read file with NO_FILESYSTEM defined");
+ return NULL;
+#endif /* !NO_FILESYSTEM */
+ }
+ else
+ return NULL;
+
+ pem = (unsigned char*)XMALLOC(l, 0, DYNAMIC_TYPE_PEM);
+ if (pem == NULL)
+ return NULL;
+
+ i = 0;
+ if (wc_PemGetHeaderFooter(CERT_TYPE, NULL, &footer) != 0) {
+ XFREE(pem, 0, DYNAMIC_TYPE_PEM);
+ return NULL;
+ }
+
+ /* TODO: Inefficient
+ * reading in one byte at a time until see "END CERTIFICATE"
+ */
+ while ((l = wolfSSL_BIO_read(bp, (char *)&pem[i], 1)) == 1) {
+ i++;
+ if (i > 26 && XMEMCMP((char *)&pem[i-26], footer, 25) == 0) {
+ if (pem[i-1] == '\r') {
+ /* found \r , Windows line ending is \r\n so try to read one
+ * more byte for \n, ignoring return value */
+ (void)wolfSSL_BIO_read(bp, (char *)&pem[i++], 1);
+ }
+ break;
+ }
+ }
+ #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX)
+ if (l == 0)
+ WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
+ #endif
+ pemSz = (int)i;
+ x509 = wolfSSL_X509_load_certificate_buffer(pem, pemSz,
+ WOLFSSL_FILETYPE_PEM);
+
+ if (x != NULL) {
+ *x = x509;
+ }
+
+ XFREE(pem, NULL, DYNAMIC_TYPE_PEM);
+
+#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
+ (void)bp;
+ (void)x;
+ (void)cb;
+ (void)u;
+
+ return x509;
+ }
+
+#if defined(HAVE_CRL) && !defined(NO_FILESYSTEM)
+ WOLFSSL_API WOLFSSL_X509_CRL* wolfSSL_PEM_read_X509_CRL(XFILE fp, WOLFSSL_X509_CRL **crl,
+ pem_password_cb *cb, void *u)
+ {
+#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
+ unsigned char* pem = NULL;
+ DerBuffer* der = NULL;
+ int pemSz;
+ int derSz;
+ long i = 0, l;
+ WOLFSSL_X509_CRL* newcrl;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_read_X509_CRL");
+
+ if (fp == NULL) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_X509_CRL", BAD_FUNC_ARG);
+ return NULL;
+ }
+ /* Read in CRL from file */
+ i = XFTELL(fp);
+ if (i < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_X509_CRL", BAD_FUNC_ARG);
+ return NULL;
+ }
+
+ if (XFSEEK(fp, 0, SEEK_END) != 0)
+ return NULL;
+ l = XFTELL(fp);
+ if (l < 0)
+ return NULL;
+ if (XFSEEK(fp, i, SEEK_SET) != 0)
+ return NULL;
+ pemSz = (int)(l - i);
+ /* check calculated length */
+ if (pemSz < 0)
+ return NULL;
+ if((pem = (unsigned char*)XMALLOC(pemSz, 0, DYNAMIC_TYPE_PEM)) == NULL)
+ return NULL;
+
+ if((int)XFREAD((char *)pem, 1, pemSz, fp) != pemSz)
+ goto err_exit;
+ if((PemToDer(pem, pemSz, CRL_TYPE, &der, NULL, NULL, NULL)) < 0)
+ goto err_exit;
+ XFREE(pem, 0, DYNAMIC_TYPE_PEM);
+
+ derSz = der->length;
+ if((newcrl = wolfSSL_d2i_X509_CRL(crl, (const unsigned char *)der->buffer, derSz)) == NULL)
+ goto err_exit;
+ FreeDer(&der);
+
+ return newcrl;
+
+ err_exit:
+ if(pem != NULL)
+ XFREE(pem, 0, DYNAMIC_TYPE_PEM);
+ if(der != NULL)
+ FreeDer(&der);
+ return NULL;
+
+ (void)cb;
+ (void)u;
+ #endif
+
+ }
+#endif
+
+ /*
+ * bp : bio to read X509 from
+ * x : x509 to write to
+ * cb : password call back for reading PEM
+ * u : password
+ * _AUX is for working with a trusted X509 certificate
+ */
+ WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509_AUX(WOLFSSL_BIO *bp,
+ WOLFSSL_X509 **x, pem_password_cb *cb, void *u) {
+ WOLFSSL_ENTER("wolfSSL_PEM_read_bio_X509");
+
+ /* AUX info is; trusted/rejected uses, friendly name, private key id,
+ * and potentially a stack of "other" info. wolfSSL does not store
+ * friendly name or private key id yet in WOLFSSL_X509 for human
+ * readibility and does not support extra trusted/rejected uses for
+ * root CA. */
+ return wolfSSL_PEM_read_bio_X509(bp, x, cb, u);
+ }
+
+ void wolfSSL_X509_NAME_ENTRY_free(WOLFSSL_X509_NAME_ENTRY* ne)
+ {
+ if (ne != NULL) {
+ if (ne->value != NULL && ne->value != &(ne->data)) {
+ wolfSSL_ASN1_STRING_free(ne->value);
+ }
+ XFREE(ne, NULL, DYNAMIC_TYPE_NAME_ENTRY);
+ }
+ }
+
+
+ WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_new(void)
+ {
+ WOLFSSL_X509_NAME_ENTRY* ne = NULL;
+
+ ne = (WOLFSSL_X509_NAME_ENTRY*)XMALLOC(sizeof(WOLFSSL_X509_NAME_ENTRY),
+ NULL, DYNAMIC_TYPE_NAME_ENTRY);
+ if (ne != NULL) {
+ XMEMSET(ne, 0, sizeof(WOLFSSL_X509_NAME_ENTRY));
+ ne->value = &(ne->data);
+ }
+
+ return ne;
+ }
+
+
+ WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_create_by_NID(
+ WOLFSSL_X509_NAME_ENTRY** out, int nid, int type,
+ unsigned char* data, int dataSz)
+ {
+ WOLFSSL_X509_NAME_ENTRY* ne = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_create_by_NID()");
+
+ ne = wolfSSL_X509_NAME_ENTRY_new();
+ if (ne == NULL) {
+ return NULL;
+ }
+
+ ne->nid = nid;
+ ne->value = wolfSSL_ASN1_STRING_type_new(type);
+ wolfSSL_ASN1_STRING_set(ne->value, (const void*)data, dataSz);
+ ne->set = 1;
+
+ if (out != NULL) {
+ *out = ne;
+ }
+
+ return ne;
+ }
+
+
+ /* Copies entry into name. With it being copied freeing entry becomes the
+ * callers responsibility.
+ * returns 1 for success and 0 for error */
+ int wolfSSL_X509_NAME_add_entry(WOLFSSL_X509_NAME* name,
+ WOLFSSL_X509_NAME_ENTRY* entry, int idx, int set)
+ {
+ int i;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry()");
+
+ for (i = 0; i < MAX_NAME_ENTRIES; i++) {
+ if (name->extra[i].set != 1) { /* not set so overwrited */
+ WOLFSSL_X509_NAME_ENTRY* current = &(name->extra[i]);
+ WOLFSSL_ASN1_STRING* str;
+
+ WOLFSSL_MSG("Found place for name entry");
+
+ XMEMCPY(current, entry, sizeof(WOLFSSL_X509_NAME_ENTRY));
+ str = entry->value;
+ XMEMCPY(&(current->data), str, sizeof(WOLFSSL_ASN1_STRING));
+ current->value = &(current->data);
+ current->data.data = (char*)XMALLOC(str->length,
+ name->x509->heap, DYNAMIC_TYPE_OPENSSL);
+
+ if (current->data.data == NULL) {
+ return SSL_FAILURE;
+ }
+ XMEMCPY(current->data.data, str->data, str->length);
+
+ /* make sure is null terminated */
+ current->data.data[str->length - 1] = '\0';
+
+ current->set = 1; /* make sure now listed as set */
+ break;
+ }
+ }
+
+ if (i == MAX_NAME_ENTRIES) {
+ WOLFSSL_MSG("No spot found for name entry");
+ return SSL_FAILURE;
+ }
+
+ (void)idx;
+ (void)set;
+ return SSL_SUCCESS;
+ }
+ #endif /* ifndef NO_CERTS */
+
+
+ /* NID variables are dependent on compatibility header files currently
+ *
+ * returns a pointer to a new WOLFSSL_ASN1_OBJECT struct on success and NULL
+ * on fail
+ */
+ WOLFSSL_ASN1_OBJECT* wolfSSL_OBJ_nid2obj(int id)
+ {
+ word32 oidSz = 0;
+ const byte* oid;
+ word32 type = 0;
+ WOLFSSL_ASN1_OBJECT* obj;
+ byte objBuf[MAX_OID_SZ + MAX_LENGTH_SZ + 1]; /* +1 for object tag */
+ word32 objSz = 0;
+ const char* sName;
+
+ WOLFSSL_ENTER("wolfSSL_OBJ_nid2obj()");
+
+ /* get OID type */
+ switch (id) {
+ /* oidHashType */
+ #ifdef WOLFSSL_MD2
+ case NID_md2:
+ id = MD2h;
+ type = oidHashType;
+ sName = "md2";
+ break;
+ #endif
+ #ifndef NO_MD5
+ case NID_md5:
+ id = MD5h;
+ type = oidHashType;
+ sName = "md5";
+ break;
+ #endif
+ #ifndef NO_SHA
+ case NID_sha1:
+ id = SHAh;
+ type = oidHashType;
+ sName = "sha";
+ break;
+ #endif
+ case NID_sha224:
+ id = SHA224h;
+ type = oidHashType;
+ sName = "sha224";
+ break;
+ #ifndef NO_SHA256
+ case NID_sha256:
+ id = SHA256h;
+ type = oidHashType;
+ sName = "sha256";
+ break;
+ #endif
+ #ifdef WOLFSSL_SHA384
+ case NID_sha384:
+ id = SHA384h;
+ type = oidHashType;
+ sName = "sha384";
+ break;
+ #endif
+ #ifdef WOLFSSL_SHA512
+ case NID_sha512:
+ id = SHA512h;
+ type = oidHashType;
+ sName = "sha512";
+ break;
+ #endif
+
+ /* oidSigType */
+ #ifndef NO_DSA
+ case CTC_SHAwDSA:
+ sName = "shaWithDSA";
+ type = oidSigType;
+ break;
+
+ #endif /* NO_DSA */
+ #ifndef NO_RSA
+ case CTC_MD2wRSA:
+ sName = "md2WithRSA";
+ type = oidSigType;
+ break;
+
+ #ifndef NO_MD5
+ case CTC_MD5wRSA:
+ sName = "md5WithRSA";
+ type = oidSigType;
+ break;
+ #endif
+
+ case CTC_SHAwRSA:
+ sName = "shaWithRSA";
+ type = oidSigType;
+ break;
+
+ #ifdef WOLFSSL_SHA224
+ case CTC_SHA224wRSA:
+ sName = "sha224WithRSA";
+ type = oidSigType;
+ break;
+ #endif
+
+ #ifndef NO_SHA256
+ case CTC_SHA256wRSA:
+ sName = "sha256WithRSA";
+ type = oidSigType;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ case CTC_SHA384wRSA:
+ sName = "sha384WithRSA";
+ type = oidSigType;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_SHA512
+ case CTC_SHA512wRSA:
+ sName = "sha512WithRSA";
+ type = oidSigType;
+ break;
+ #endif
+ #endif /* NO_RSA */
+ #ifdef HAVE_ECC
+ case CTC_SHAwECDSA:
+ sName = "shaWithECDSA";
+ type = oidSigType;
+ break;
+
+ case CTC_SHA224wECDSA:
+ sName = "sha224WithECDSA";
+ type = oidSigType;
+ break;
+
+ case CTC_SHA256wECDSA:
+ sName = "sha256WithECDSA";
+ type = oidSigType;
+ break;
+
+ case CTC_SHA384wECDSA:
+ sName = "sha384WithECDSA";
+ type = oidSigType;
+ break;
+
+ case CTC_SHA512wECDSA:
+ sName = "sha512WithECDSA";
+ type = oidSigType;
+ break;
+ #endif /* HAVE_ECC */
+
+ /* oidKeyType */
+ #ifndef NO_DSA
+ case DSAk:
+ sName = "DSA key";
+ type = oidKeyType;
+ break;
+ #endif /* NO_DSA */
+ #ifndef NO_RSA
+ case RSAk:
+ sName = "RSA key";
+ type = oidKeyType;
+ break;
+ #endif /* NO_RSA */
+ #ifdef HAVE_NTRU
+ case NTRUk:
+ sName = "NTRU key";
+ type = oidKeyType;
+ break;
+ #endif /* HAVE_NTRU */
+ #ifdef HAVE_ECC
+ case ECDSAk:
+ sName = "ECDSA key";
+ type = oidKeyType;
+ break;
+ #endif /* HAVE_ECC */
+
+ /* oidBlkType */
+ #ifdef WOLFSSL_AES_128
+ case AES128CBCb:
+ sName = "AES-128-CBC";
+ type = oidBlkType;
+ break;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case AES192CBCb:
+ sName = "AES-192-CBC";
+ type = oidBlkType;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_AES_256
+ case AES256CBCb:
+ sName = "AES-256-CBC";
+ type = oidBlkType;
+ break;
+ #endif
+
+ #ifndef NO_DES3
+ case NID_des:
+ id = DESb;
+ sName = "DES-CBC";
+ type = oidBlkType;
+ break;
+
+ case NID_des3:
+ id = DES3b;
+ sName = "DES3-CBC";
+ type = oidBlkType;
+ break;
+ #endif /* !NO_DES3 */
+
+ #ifdef HAVE_OCSP
+ case NID_id_pkix_OCSP_basic:
+ id = OCSP_BASIC_OID;
+ sName = "OCSP_basic";
+ type = oidOcspType;
+ break;
+
+ case OCSP_NONCE_OID:
+ sName = "OCSP_nonce";
+ type = oidOcspType;
+ break;
+ #endif /* HAVE_OCSP */
+
+ /* oidCertExtType */
+ case BASIC_CA_OID:
+ sName = "X509 basic ca";
+ type = oidCertExtType;
+ break;
+
+ case ALT_NAMES_OID:
+ sName = "X509 alt names";
+ type = oidCertExtType;
+ break;
+
+ case CRL_DIST_OID:
+ sName = "X509 crl";
+ type = oidCertExtType;
+ break;
+
+ case AUTH_INFO_OID:
+ sName = "X509 auth info";
+ type = oidCertExtType;
+ break;
+
+ case AUTH_KEY_OID:
+ sName = "X509 auth key";
+ type = oidCertExtType;
+ break;
+
+ case SUBJ_KEY_OID:
+ sName = "X509 subject key";
+ type = oidCertExtType;
+ break;
+
+ case KEY_USAGE_OID:
+ sName = "X509 key usage";
+ type = oidCertExtType;
+ break;
+
+ case INHIBIT_ANY_OID:
+ id = INHIBIT_ANY_OID;
+ sName = "X509 inhibit any";
+ type = oidCertExtType;
+ break;
+
+ case NID_ext_key_usage:
+ id = KEY_USAGE_OID;
+ sName = "X509 ext key usage";
+ type = oidCertExtType;
+ break;
+
+ case NID_name_constraints:
+ id = NAME_CONS_OID;
+ sName = "X509 name constraints";
+ type = oidCertExtType;
+ break;
+
+ case NID_certificate_policies:
+ id = CERT_POLICY_OID;
+ sName = "X509 certificate policies";
+ type = oidCertExtType;
+ break;
+
+ /* oidCertAuthInfoType */
+ case AIA_OCSP_OID:
+ sName = "Cert Auth OCSP";
+ type = oidCertAuthInfoType;
+ break;
+
+ case AIA_CA_ISSUER_OID:
+ sName = "Cert Auth CA Issuer";
+ type = oidCertAuthInfoType;
+ break;
+
+ /* oidCertPolicyType */
+ case NID_any_policy:
+ id = CP_ANY_OID;
+ sName = "Cert any policy";
+ type = oidCertPolicyType;
+ break;
+
+ /* oidCertAltNameType */
+ case NID_hw_name_oid:
+ id = HW_NAME_OID;
+ sName = "Hardware name";
+ type = oidCertAltNameType;
+ break;
+
+ /* oidCertKeyUseType */
+ case NID_anyExtendedKeyUsage:
+ id = EKU_ANY_OID;
+ sName = "Cert any extended key";
+ type = oidCertKeyUseType;
+ break;
+
+ case EKU_SERVER_AUTH_OID:
+ sName = "Cert server auth key";
+ type = oidCertKeyUseType;
+ break;
+
+ case EKU_CLIENT_AUTH_OID:
+ sName = "Cert client auth key";
+ type = oidCertKeyUseType;
+ break;
+
+ case EKU_OCSP_SIGN_OID:
+ sName = "Cert OCSP sign key";
+ type = oidCertKeyUseType;
+ break;
+
+ /* oidKdfType */
+ case PBKDF2_OID:
+ sName = "PBKDFv2";
+ type = oidKdfType;
+ break;
+
+ /* oidPBEType */
+ case PBE_SHA1_RC4_128:
+ sName = "PBE shaWithRC4-128";
+ type = oidPBEType;
+ break;
+
+ case PBE_SHA1_DES:
+ sName = "PBE shaWithDES";
+ type = oidPBEType;
+ break;
+
+ case PBE_SHA1_DES3:
+ sName = "PBE shaWithDES3";
+ type = oidPBEType;
+ break;
+
+ /* oidKeyWrapType */
+ #ifdef WOLFSSL_AES_128
+ case AES128_WRAP:
+ sName = "AES-128 wrap";
+ type = oidKeyWrapType;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_AES_192
+ case AES192_WRAP:
+ sName = "AES-192 wrap";
+ type = oidKeyWrapType;
+ break;
+ #endif
+
+ #ifdef WOLFSSL_AES_256
+ case AES256_WRAP:
+ sName = "AES-256 wrap";
+ type = oidKeyWrapType;
+ break;
+ #endif
+
+ /* oidCmsKeyAgreeType */
+ #ifndef NO_SHA
+ case dhSinglePass_stdDH_sha1kdf_scheme:
+ sName = "DH-SHA kdf";
+ type = oidCmsKeyAgreeType;
+ break;
+ #endif
+ #ifdef WOLFSSL_SHA224
+ case dhSinglePass_stdDH_sha224kdf_scheme:
+ sName = "DH-SHA224 kdf";
+ type = oidCmsKeyAgreeType;
+ break;
+ #endif
+ #ifndef NO_SHA256
+ case dhSinglePass_stdDH_sha256kdf_scheme:
+ sName = "DH-SHA256 kdf";
+ type = oidCmsKeyAgreeType;
+ break;
+
+ #endif
+ #ifdef WOLFSSL_SHA384
+ case dhSinglePass_stdDH_sha384kdf_scheme:
+ sName = "DH-SHA384 kdf";
+ type = oidCmsKeyAgreeType;
+ break;
+ #endif
+ #ifdef WOLFSSL_SHA512
+ case dhSinglePass_stdDH_sha512kdf_scheme:
+ sName = "DH-SHA512 kdf";
+ type = oidCmsKeyAgreeType;
+ break;
+ #endif
+ default:
+ WOLFSSL_MSG("NID not in table");
+ return NULL;
+ }
+
+ #ifdef HAVE_ECC
+ if (type == 0 && wc_ecc_get_oid(id, &oid, &oidSz) > 0) {
+ type = oidCurveType;
+ }
+ #endif /* HAVE_ECC */
+
+ if (XSTRLEN(sName) > WOLFSSL_MAX_SNAME - 1) {
+ WOLFSSL_MSG("Attempted short name is too large");
+ return NULL;
+ }
+
+ oid = OidFromId(id, type, &oidSz);
+
+ /* set object ID to buffer */
+ obj = wolfSSL_ASN1_OBJECT_new();
+ if (obj == NULL) {
+ WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
+ return NULL;
+ }
+ obj->type = id;
+ obj->grp = type;
+ obj->dynamic = 1;
+ XMEMCPY(obj->sName, (char*)sName, XSTRLEN((char*)sName));
+
+ objBuf[0] = ASN_OBJECT_ID; objSz++;
+ objSz += SetLength(oidSz, objBuf + 1);
+ XMEMCPY(objBuf + objSz, oid, oidSz);
+ objSz += oidSz;
+ obj->objSz = objSz;
+
+ obj->obj = (byte*)XMALLOC(obj->objSz, NULL, DYNAMIC_TYPE_ASN1);
+ if (obj->obj == NULL) {
+ wolfSSL_ASN1_OBJECT_free(obj);
+ return NULL;
+ }
+ XMEMCPY(obj->obj, objBuf, obj->objSz);
+
+ (void)type;
+
+ return obj;
+ }
+
+
+ /* if no_name is one than use numerical form otherwise can be short name.
+ *
+ * returns the buffer size on success
+ */
+ int wolfSSL_OBJ_obj2txt(char *buf, int bufLen, WOLFSSL_ASN1_OBJECT *a, int no_name)
+ {
+ int bufSz;
+
+ WOLFSSL_ENTER("wolfSSL_OBJ_obj2txt()");
+
+ if (buf == NULL || bufLen <= 1 || a == NULL) {
+ WOLFSSL_MSG("Bad input argument");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (no_name == 1) {
+ int length;
+ word32 idx = 0;
+
+ if (a->obj[idx++] != ASN_OBJECT_ID) {
+ WOLFSSL_MSG("Bad ASN1 Object");
+ return WOLFSSL_FAILURE;
+ }
+
+ if (GetLength((const byte*)a->obj, &idx, &length,
+ a->objSz) < 0 || length < 0) {
+ return ASN_PARSE_E;
+ }
+
+ if (bufLen < MAX_OID_STRING_SZ) {
+ bufSz = bufLen - 1;
+ }
+ else {
+ bufSz = MAX_OID_STRING_SZ;
+ }
+
+ if ((bufSz = DecodePolicyOID(buf, (word32)bufSz, a->obj + idx,
+ (word32)length)) <= 0) {
+ WOLFSSL_MSG("Error decoding OID");
+ return WOLFSSL_FAILURE;
+ }
+
+ }
+ else { /* return short name */
+ if (XSTRLEN(a->sName) + 1 < (word32)bufLen - 1) {
+ bufSz = (int)XSTRLEN(a->sName);
+ }
+ else {
+ bufSz = bufLen - 1;
+ }
+ XMEMCPY(buf, a->sName, bufSz);
+ }
+
+ buf[bufSz] = '\0';
+ return bufSz;
+ }
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY) || \
+ defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(HAVE_STUNNEL) || \
+ defined(WOLFSSL_NGINX) || defined(HAVE_POCO_LIB) || \
+ defined(WOLFSSL_HAPROXY)
+
+#ifndef NO_SHA
+ /* One shot SHA1 hash of message.
+ *
+ * d message to hash
+ * n size of d buffer
+ * md buffer to hold digest. Should be SHA_DIGEST_SIZE.
+ *
+ * Note: if md is null then a static buffer of SHA_DIGEST_SIZE is used.
+ * When the static buffer is used this function is not thread safe.
+ *
+ * Returns a pointer to the message digest on success and NULL on failure.
+ */
+ unsigned char *wolfSSL_SHA1(const unsigned char *d, size_t n,
+ unsigned char *md)
+ {
+ static byte dig[WC_SHA_DIGEST_SIZE];
+ wc_Sha sha;
+
+ WOLFSSL_ENTER("wolfSSL_SHA1");
+
+ if (wc_InitSha_ex(&sha, NULL, 0) != 0) {
+ WOLFSSL_MSG("SHA1 Init failed");
+ return NULL;
+ }
+
+ if (wc_ShaUpdate(&sha, (const byte*)d, (word32)n) != 0) {
+ WOLFSSL_MSG("SHA1 Update failed");
+ return NULL;
+ }
+
+ if (wc_ShaFinal(&sha, dig) != 0) {
+ WOLFSSL_MSG("SHA1 Final failed");
+ return NULL;
+ }
+
+ wc_ShaFree(&sha);
+
+ if (md != NULL) {
+ XMEMCPY(md, dig, WC_SHA_DIGEST_SIZE);
+ return md;
+ }
+ else {
+ return (unsigned char*)dig;
+ }
+ }
+#endif /* ! NO_SHA */
+
+#ifndef NO_SHA256
+ /* One shot SHA256 hash of message.
+ *
+ * d message to hash
+ * n size of d buffer
+ * md buffer to hold digest. Should be WC_SHA256_DIGEST_SIZE.
+ *
+ * Note: if md is null then a static buffer of WC_SHA256_DIGEST_SIZE is used.
+ * When the static buffer is used this function is not thread safe.
+ *
+ * Returns a pointer to the message digest on success and NULL on failure.
+ */
+ unsigned char *wolfSSL_SHA256(const unsigned char *d, size_t n,
+ unsigned char *md)
+ {
+ static byte dig[WC_SHA256_DIGEST_SIZE];
+ wc_Sha256 sha;
+
+ WOLFSSL_ENTER("wolfSSL_SHA256");
+
+ if (wc_InitSha256_ex(&sha, NULL, 0) != 0) {
+ WOLFSSL_MSG("SHA256 Init failed");
+ return NULL;
+ }
+
+ if (wc_Sha256Update(&sha, (const byte*)d, (word32)n) != 0) {
+ WOLFSSL_MSG("SHA256 Update failed");
+ return NULL;
+ }
+
+ if (wc_Sha256Final(&sha, dig) != 0) {
+ WOLFSSL_MSG("SHA256 Final failed");
+ return NULL;
+ }
+
+ wc_Sha256Free(&sha);
+
+ if (md != NULL) {
+ XMEMCPY(md, dig, WC_SHA256_DIGEST_SIZE);
+ return md;
+ }
+ else {
+ return (unsigned char*)dig;
+ }
+ }
+#endif /* ! NO_SHA256 */
+
+#ifdef WOLFSSL_SHA384
+ /* One shot SHA384 hash of message.
+ *
+ * d message to hash
+ * n size of d buffer
+ * md buffer to hold digest. Should be WC_SHA256_DIGEST_SIZE.
+ *
+ * Note: if md is null then a static buffer of WC_SHA256_DIGEST_SIZE is used.
+ * When the static buffer is used this function is not thread safe.
+ *
+ * Returns a pointer to the message digest on success and NULL on failure.
+ */
+ unsigned char *wolfSSL_SHA384(const unsigned char *d, size_t n,
+ unsigned char *md)
+ {
+ static byte dig[WC_SHA384_DIGEST_SIZE];
+ wc_Sha384 sha;
+
+ WOLFSSL_ENTER("wolfSSL_SHA384");
+
+ if (wc_InitSha384_ex(&sha, NULL, 0) != 0) {
+ WOLFSSL_MSG("SHA384 Init failed");
+ return NULL;
+ }
+
+ if (wc_Sha384Update(&sha, (const byte*)d, (word32)n) != 0) {
+ WOLFSSL_MSG("SHA384 Update failed");
+ return NULL;
+ }
+
+ if (wc_Sha384Final(&sha, dig) != 0) {
+ WOLFSSL_MSG("SHA384 Final failed");
+ return NULL;
+ }
+
+ wc_Sha384Free(&sha);
+
+ if (md != NULL) {
+ XMEMCPY(md, dig, WC_SHA384_DIGEST_SIZE);
+ return md;
+ }
+ else {
+ return (unsigned char*)dig;
+ }
+ }
+#endif /* WOLFSSL_SHA384 */
+
+
+#if defined(WOLFSSL_SHA512)
+ /* One shot SHA512 hash of message.
+ *
+ * d message to hash
+ * n size of d buffer
+ * md buffer to hold digest. Should be WC_SHA256_DIGEST_SIZE.
+ *
+ * Note: if md is null then a static buffer of WC_SHA256_DIGEST_SIZE is used.
+ * When the static buffer is used this function is not thread safe.
+ *
+ * Returns a pointer to the message digest on success and NULL on failure.
+ */
+ unsigned char *wolfSSL_SHA512(const unsigned char *d, size_t n,
+ unsigned char *md)
+ {
+ static byte dig[WC_SHA512_DIGEST_SIZE];
+ wc_Sha512 sha;
+
+ WOLFSSL_ENTER("wolfSSL_SHA512");
+
+ if (wc_InitSha512_ex(&sha, NULL, 0) != 0) {
+ WOLFSSL_MSG("SHA512 Init failed");
+ return NULL;
+ }
+
+ if (wc_Sha512Update(&sha, (const byte*)d, (word32)n) != 0) {
+ WOLFSSL_MSG("SHA512 Update failed");
+ return NULL;
+ }
+
+ if (wc_Sha512Final(&sha, dig) != 0) {
+ WOLFSSL_MSG("SHA512 Final failed");
+ return NULL;
+ }
+
+ wc_Sha512Free(&sha);
+
+ if (md != NULL) {
+ XMEMCPY(md, dig, WC_SHA512_DIGEST_SIZE);
+ return md;
+ }
+ else {
+ return (unsigned char*)dig;
+ }
+ }
+#endif /* defined(WOLFSSL_SHA512) */
+
+ char wolfSSL_CTX_use_certificate(WOLFSSL_CTX *ctx, WOLFSSL_X509 *x)
+ {
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate");
+
+ FreeDer(&ctx->certificate); /* Make sure previous is free'd */
+ ret = AllocDer(&ctx->certificate, x->derCert->length, CERT_TYPE,
+ ctx->heap);
+ if (ret != 0)
+ return 0;
+
+ XMEMCPY(ctx->certificate->buffer, x->derCert->buffer,
+ x->derCert->length);
+#ifdef KEEP_OUR_CERT
+ if (ctx->ourCert != NULL && ctx->ownOurCert) {
+ FreeX509(ctx->ourCert);
+ XFREE(ctx->ourCert, ctx->heap, DYNAMIC_TYPE_X509);
+ }
+ ctx->ourCert = x;
+ ctx->ownOurCert = 0;
+#endif
+
+ /* Update the available options with public keys. */
+ switch (x->pubKeyOID) {
+ case RSAk:
+ ctx->haveRSA = 1;
+ break;
+ #ifdef HAVE_ED25519
+ case ED25519k:
+ #endif
+ case ECDSAk:
+ ctx->haveECC = 1;
+ #if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ ctx->pkCurveOID = x->pkCurveOID;
+ #endif
+ break;
+ }
+
+ return WOLFSSL_SUCCESS;
+ }
+
+ #ifndef NO_WOLFSSL_STUB
+ int wolfSSL_BIO_read_filename(WOLFSSL_BIO *b, const char *name) {
+ #ifndef NO_FILESYSTEM
+ XFILE fp;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_new_file");
+
+ if ((wolfSSL_BIO_get_fp(b, &fp) == WOLFSSL_SUCCESS) && (fp != NULL))
+ {
+ XFCLOSE(fp);
+ }
+
+ fp = XFOPEN(name, "r");
+ if (fp == NULL)
+ return WOLFSSL_BAD_FILE;
+
+ if (wolfSSL_BIO_set_fp(b, fp, BIO_CLOSE) != WOLFSSL_SUCCESS) {
+ XFCLOSE(fp);
+ return WOLFSSL_BAD_FILE;
+ }
+
+ /* file is closed when bio is free'd */
+ return WOLFSSL_SUCCESS;
+ #else
+ (void)name;
+ (void)b;
+ return WOLFSSL_NOT_IMPLEMENTED;
+ #endif
+ }
+ #endif
+
+#ifdef HAVE_ECC
+ const char * wolfSSL_OBJ_nid2sn(int n) {
+ int i;
+ WOLFSSL_ENTER("wolfSSL_OBJ_nid2sn");
+
+ /* find based on NID and return name */
+ for (i = 0; i < ecc_sets[i].size; i++) {
+ if (n == ecc_sets[i].id) {
+ return ecc_sets[i].name;
+ }
+ }
+ return NULL;
+ }
+
+ int wolfSSL_OBJ_sn2nid(const char *sn) {
+ int i;
+ WOLFSSL_ENTER("wolfSSL_OBJ_osn2nid");
+
+ /* Nginx uses this OpenSSL string. */
+ if (XSTRNCMP(sn, "prime256v1", 10) == 0)
+ sn = "SECP256R1";
+ if (XSTRNCMP(sn, "secp384r1", 10) == 0)
+ sn = "SECP384R1";
+ /* find based on name and return NID */
+ for (i = 0; i < ecc_sets[i].size; i++) {
+ if (XSTRNCMP(sn, ecc_sets[i].name, ECC_MAXNAME) == 0) {
+ return ecc_sets[i].id;
+ }
+ }
+ return -1;
+ }
+#endif /* HAVE_ECC */
+
+ /* Gets the NID value that corresponds with the ASN1 object.
+ *
+ * o ASN1 object to get NID of
+ *
+ * Return NID on success and a negative value on failure
+ */
+ int wolfSSL_OBJ_obj2nid(const WOLFSSL_ASN1_OBJECT *o) {
+ word32 oid = 0;
+ word32 idx = 0;
+ int id;
+
+ WOLFSSL_ENTER("wolfSSL_OBJ_obj2nid");
+
+ if (o == NULL) {
+ return -1;
+ }
+
+ if ((id = GetObjectId(o->obj, &idx, &oid, o->grp, o->objSz)) < 0) {
+ WOLFSSL_MSG("Issue getting OID of object");
+ return -1;
+ }
+
+ /* get OID type */
+ switch (o->grp) {
+ /* oidHashType */
+ case oidHashType:
+ switch (oid) {
+ #ifdef WOLFSSL_MD2
+ case MD2h:
+ return NID_md2;
+ #endif
+ #ifndef NO_MD5
+ case MD5h:
+ return NID_md5;
+ #endif
+ #ifndef NO_SHA
+ case SHAh:
+ return NID_sha1;
+ #endif
+ case SHA224h:
+ return NID_sha224;
+ #ifndef NO_SHA256
+ case SHA256h:
+ return NID_sha256;
+ #endif
+ #ifdef WOLFSSL_SHA384
+ case SHA384h:
+ return NID_sha384;
+ #endif
+ #ifdef WOLFSSL_SHA512
+ case SHA512h:
+ return NID_sha512;
+ #endif
+ }
+ break;
+
+ /* oidSigType */
+ case oidSigType:
+ switch (oid) {
+ #ifndef NO_DSA
+ case CTC_SHAwDSA:
+ return CTC_SHAwDSA;
+ #endif /* NO_DSA */
+ #ifndef NO_RSA
+ case CTC_MD2wRSA:
+ return CTC_MD2wRSA;
+ case CTC_MD5wRSA:
+ return CTC_MD5wRSA;
+ case CTC_SHAwRSA:
+ return CTC_SHAwRSA;
+ case CTC_SHA224wRSA:
+ return CTC_SHA224wRSA;
+ case CTC_SHA256wRSA:
+ return CTC_SHA256wRSA;
+ case CTC_SHA384wRSA:
+ return CTC_SHA384wRSA;
+ case CTC_SHA512wRSA:
+ return CTC_SHA512wRSA;
+ #endif /* NO_RSA */
+ #ifdef HAVE_ECC
+ case CTC_SHAwECDSA:
+ return CTC_SHAwECDSA;
+ case CTC_SHA224wECDSA:
+ return CTC_SHA224wECDSA;
+ case CTC_SHA256wECDSA:
+ return CTC_SHA256wECDSA;
+ case CTC_SHA384wECDSA:
+ return CTC_SHA384wECDSA;
+ case CTC_SHA512wECDSA:
+ return CTC_SHA512wECDSA;
+ #endif /* HAVE_ECC */
+ }
+ break;
+
+ /* oidKeyType */
+ case oidKeyType:
+ switch (oid) {
+ #ifndef NO_DSA
+ case DSAk:
+ return DSAk;
+ #endif /* NO_DSA */
+ #ifndef NO_RSA
+ case RSAk:
+ return RSAk;
+ #endif /* NO_RSA */
+ #ifdef HAVE_NTRU
+ case NTRUk:
+ return NTRUk;
+ #endif /* HAVE_NTRU */
+ #ifdef HAVE_ECC
+ case ECDSAk:
+ return ECDSAk;
+ #endif /* HAVE_ECC */
+ }
+ break;
+
+ /* oidBlkType */
+ case oidBlkType:
+ switch (oid) {
+ #ifdef WOLFSSL_AES_128
+ case AES128CBCb:
+ return AES128CBCb;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case AES192CBCb:
+ return AES192CBCb;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ case AES256CBCb:
+ return AES256CBCb;
+ #endif
+ #ifndef NO_DES3
+ case DESb:
+ return NID_des;
+ case DES3b:
+ return NID_des3;
+ #endif
+ }
+ break;
+
+ #ifdef HAVE_OCSP
+ case oidOcspType:
+ switch (oid) {
+ case OCSP_BASIC_OID:
+ return NID_id_pkix_OCSP_basic;
+ case OCSP_NONCE_OID:
+ return OCSP_NONCE_OID;
+ }
+ break;
+ #endif /* HAVE_OCSP */
+
+ /* oidCertExtType */
+ case oidCertExtType:
+ switch (oid) {
+ case BASIC_CA_OID:
+ return BASIC_CA_OID;
+ case ALT_NAMES_OID:
+ return ALT_NAMES_OID;
+ case CRL_DIST_OID:
+ return CRL_DIST_OID;
+ case AUTH_INFO_OID:
+ return AUTH_INFO_OID;
+ case AUTH_KEY_OID:
+ return AUTH_KEY_OID;
+ case SUBJ_KEY_OID:
+ return SUBJ_KEY_OID;
+ case INHIBIT_ANY_OID:
+ return INHIBIT_ANY_OID;
+ case KEY_USAGE_OID:
+ return NID_ext_key_usage;
+ case NAME_CONS_OID:
+ return NID_name_constraints;
+ case CERT_POLICY_OID:
+ return NID_certificate_policies;
+ }
+ break;
+
+ /* oidCertAuthInfoType */
+ case oidCertAuthInfoType:
+ switch (oid) {
+ case AIA_OCSP_OID:
+ return AIA_OCSP_OID;
+ case AIA_CA_ISSUER_OID:
+ return AIA_CA_ISSUER_OID;
+ }
+ break;
+
+ /* oidCertPolicyType */
+ case oidCertPolicyType:
+ switch (oid) {
+ case CP_ANY_OID:
+ return NID_any_policy;
+ }
+ break;
+
+ /* oidCertAltNameType */
+ case oidCertAltNameType:
+ switch (oid) {
+ case HW_NAME_OID:
+ return NID_hw_name_oid;
+ }
+ break;
+
+ /* oidCertKeyUseType */
+ case oidCertKeyUseType:
+ switch (oid) {
+ case EKU_ANY_OID:
+ return NID_anyExtendedKeyUsage;
+ case EKU_SERVER_AUTH_OID:
+ return EKU_SERVER_AUTH_OID;
+ case EKU_CLIENT_AUTH_OID:
+ return EKU_CLIENT_AUTH_OID;
+ case EKU_OCSP_SIGN_OID:
+ return EKU_OCSP_SIGN_OID;
+ }
+ break;
+
+ /* oidKdfType */
+ case oidKdfType:
+ switch (oid) {
+ case PBKDF2_OID:
+ return PBKDF2_OID;
+ }
+ break;
+
+ /* oidPBEType */
+ case oidPBEType:
+ switch (oid) {
+ case PBE_SHA1_RC4_128:
+ return PBE_SHA1_RC4_128;
+ case PBE_SHA1_DES:
+ return PBE_SHA1_DES;
+ case PBE_SHA1_DES3:
+ return PBE_SHA1_DES3;
+ }
+ break;
+
+ /* oidKeyWrapType */
+ case oidKeyWrapType:
+ switch (oid) {
+ #ifdef WOLFSSL_AES_128
+ case AES128_WRAP:
+ return AES128_WRAP;
+ #endif
+ #ifdef WOLFSSL_AES_192
+ case AES192_WRAP:
+ return AES192_WRAP;
+ #endif
+ #ifdef WOLFSSL_AES_256
+ case AES256_WRAP:
+ return AES256_WRAP;
+ #endif
+ }
+ break;
+
+ /* oidCmsKeyAgreeType */
+ case oidCmsKeyAgreeType:
+ switch (oid) {
+ #ifndef NO_SHA
+ case dhSinglePass_stdDH_sha1kdf_scheme:
+ return dhSinglePass_stdDH_sha1kdf_scheme;
+ #endif
+ #ifdef WOLFSSL_SHA224
+ case dhSinglePass_stdDH_sha224kdf_scheme:
+ return dhSinglePass_stdDH_sha224kdf_scheme;
+ #endif
+ #ifndef NO_SHA256
+ case dhSinglePass_stdDH_sha256kdf_scheme:
+ return dhSinglePass_stdDH_sha256kdf_scheme;
+ #endif
+ #ifdef WOLFSSL_SHA384
+ case dhSinglePass_stdDH_sha384kdf_scheme:
+ return dhSinglePass_stdDH_sha384kdf_scheme;
+ #endif
+ #ifdef WOLFSSL_SHA512
+ case dhSinglePass_stdDH_sha512kdf_scheme:
+ return dhSinglePass_stdDH_sha512kdf_scheme;
+ #endif
+ }
+ break;
+
+ default:
+ WOLFSSL_MSG("NID not in table");
+ return -1;
+ }
+
+ return -1;
+ }
+
+
+#ifndef NO_WOLFSSL_STUB
+ char * wolfSSL_OBJ_nid2ln(int n)
+ {
+ (void)n;
+ WOLFSSL_ENTER("wolfSSL_OBJ_nid2ln");
+ WOLFSSL_STUB("OBJ_nid2ln");
+
+ return NULL;
+ }
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+ int wolfSSL_OBJ_txt2nid(const char* s)
+ {
+ (void)s;
+ WOLFSSL_STUB("OBJ_txt2nid");
+
+ return 0;
+ }
+#endif
+
+ /* compatibility function. It's intended use is to remove OID's from an
+ * internal table that have been added with OBJ_create. wolfSSL manages it's
+ * own interenal OID values and does not currently support OBJ_create. */
+ void wolfSSL_OBJ_cleanup(void)
+ {
+ WOLFSSL_ENTER("wolfSSL_OBJ_cleanup()");
+ }
+
+
+ #ifndef NO_WOLFSSL_STUB
+ void wolfSSL_set_verify_depth(WOLFSSL *ssl, int depth) {
+ WOLFSSL_ENTER("wolfSSL_set_verify_depth");
+#ifndef OPENSSL_EXTRA
+ (void)ssl;
+ (void)depth;
+ WOLFSSL_STUB("wolfSSL_set_verify_depth");
+#else
+ ssl->options.verifyDepth = (byte)depth;
+#endif
+ }
+ #endif
+
+
+ #ifndef NO_WOLFSSL_STUB
+ WOLFSSL_ASN1_OBJECT * wolfSSL_X509_NAME_ENTRY_get_object(WOLFSSL_X509_NAME_ENTRY *ne) {
+ (void)ne;
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_get_object");
+ WOLFSSL_STUB("X509_NAME_ENTRY_get_object");
+
+ return NULL;
+ }
+ #endif
+
+ WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_get_entry(
+ WOLFSSL_X509_NAME *name, int loc) {
+
+ int maxLoc = name->fullName.fullNameLen;
+
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_get_entry");
+
+ if (loc < 0 || loc > maxLoc) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+
+ /* DC component */
+ if (name->fullName.dcMode){
+ if (name->fullName.fullName != NULL){
+ if (loc == name->fullName.dcNum){
+ name->cnEntry.data.data = &name->fullName.fullName[name->fullName.cIdx];
+ name->cnEntry.data.length = name->fullName.cLen;
+ name->cnEntry.nid = ASN_COUNTRY_NAME;
+ } else {
+ name->cnEntry.data.data = &name->fullName.fullName[name->fullName.dcIdx[loc]];
+ name->cnEntry.data.length = name->fullName.dcLen[loc];
+ name->cnEntry.nid = ASN_DOMAIN_COMPONENT;
+ }
+ }
+ name->cnEntry.data.type = CTC_UTF8;
+ name->cnEntry.set = 1;
+ return &(name->cnEntry);
+
+ /* common name index case */
+ } else if (loc == name->fullName.cnIdx) {
+ /* get CN shortcut from x509 since it has null terminator */
+ name->cnEntry.data.data = name->x509->subjectCN;
+ name->cnEntry.data.length = name->fullName.cnLen;
+ name->cnEntry.data.type = CTC_UTF8;
+ name->cnEntry.nid = ASN_COMMON_NAME;
+ name->cnEntry.set = 1;
+ return &(name->cnEntry);
+ }
+
+ /* additionall cases to check for go here */
+
+ WOLFSSL_MSG("Entry not found or implemented");
+ (void)name;
+ (void)loc;
+
+ return NULL;
+ }
+
+ #ifndef NO_WOLFSSL_STUB
+ void wolfSSL_sk_X509_NAME_pop_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, void f (WOLFSSL_X509_NAME*)){
+ (void) sk;
+ (void) f;
+ WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_pop_free");
+ WOLFSSL_STUB("sk_X509_NAME_pop_free");
+ }
+ #endif
+ #ifndef NO_WOLFSSL_STUB
+ int wolfSSL_X509_check_private_key(WOLFSSL_X509 *x509, WOLFSSL_EVP_PKEY *key){
+ (void) x509;
+ (void) key;
+ WOLFSSL_ENTER("wolfSSL_X509_check_private_key");
+ WOLFSSL_STUB("X509_check_private_key");
+
+ return WOLFSSL_SUCCESS;
+ }
+
+ WOLF_STACK_OF(WOLFSSL_X509_NAME) *wolfSSL_dup_CA_list( WOLF_STACK_OF(WOLFSSL_X509_NAME) *sk ){
+ (void) sk;
+ WOLFSSL_ENTER("wolfSSL_dup_CA_list");
+ WOLFSSL_STUB("SSL_dup_CA_list");
+
+ return NULL;
+ }
+ #endif
+
+#endif /* OPENSSL_ALL || HAVE_LIGHTY || WOLFSSL_MYSQL_COMPATIBLE || HAVE_STUNNEL || WOLFSSL_NGINX || HAVE_POCO_LIB || WOLFSSL_HAPROXY */
+#endif /* OPENSSL_EXTRA */
+
+#ifdef OPENSSL_EXTRA
+
+/* wolfSSL uses negative values for error states. This function returns an
+ * unsigned type so the value returned is the absolute value of the error.
+ */
+unsigned long wolfSSL_ERR_peek_last_error_line(const char **file, int *line)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_peek_last_error");
+
+ (void)line;
+ (void)file;
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(DEBUG_WOLFSSL) || defined(WOLFSSL_HAPROXY)
+ {
+ int ret;
+
+ if ((ret = wc_PeekErrorNode(-1, file, NULL, line)) < 0) {
+ WOLFSSL_MSG("Issue peeking at error node in queue");
+ return 0;
+ }
+ #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX)
+ if (ret == -ASN_NO_PEM_HEADER)
+ return (ERR_LIB_PEM << 24) | PEM_R_NO_START_LINE;
+ #endif
+ return (unsigned long)ret;
+ }
+#else
+ return (unsigned long)(0 - NOT_COMPILED_IN);
+#endif
+}
+
+
+#ifndef NO_CERTS
+int wolfSSL_CTX_use_PrivateKey(WOLFSSL_CTX *ctx, WOLFSSL_EVP_PKEY *pkey)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_use_PrivateKey");
+
+ if (ctx == NULL || pkey == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ if (pkey->pkey.ptr != NULL) {
+ /* ptr for WOLFSSL_EVP_PKEY struct is expected to be DER format */
+ return wolfSSL_CTX_use_PrivateKey_buffer(ctx,
+ (const unsigned char*)pkey->pkey.ptr,
+ pkey->pkey_sz, SSL_FILETYPE_ASN1);
+ }
+
+ WOLFSSL_MSG("wolfSSL private key not set");
+ return BAD_FUNC_ARG;
+}
+#endif /* !NO_CERTS */
+
+
+void* wolfSSL_CTX_get_ex_data(const WOLFSSL_CTX* ctx, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_get_ex_data");
+ #ifdef HAVE_EX_DATA
+ if(ctx != NULL && idx < MAX_EX_DATA && idx >= 0) {
+ return ctx->ex_data[idx];
+ }
+ #else
+ (void)ctx;
+ (void)idx;
+ #endif
+ return NULL;
+}
+
+int wolfSSL_CTX_get_ex_new_index(long idx, void* arg, void* a, void* b,
+ void* c)
+{
+ static int ctx_idx = 0;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_get_ex_new_index");
+ (void)idx;
+ (void)arg;
+ (void)a;
+ (void)b;
+ (void)c;
+
+ return ctx_idx++;
+}
+
+
+/* Return the index that can be used for the WOLFSSL structure to store
+ * application data.
+ *
+ */
+int wolfSSL_get_ex_new_index(long argValue, void* arg,
+ WOLFSSL_CRYPTO_EX_new* cb1, WOLFSSL_CRYPTO_EX_dup* cb2,
+ WOLFSSL_CRYPTO_EX_free* cb3)
+{
+ static int ssl_idx = 0;
+
+ WOLFSSL_ENTER("wolfSSL_get_ex_new_index");
+
+ (void)argValue;
+ (void)arg;
+ (void)cb1;
+ (void)cb2;
+ (void)cb3;
+
+ return ssl_idx++;
+}
+
+
+int wolfSSL_CTX_set_ex_data(WOLFSSL_CTX* ctx, int idx, void* data)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_ex_data");
+ #ifdef HAVE_EX_DATA
+ if (ctx != NULL && idx < MAX_EX_DATA)
+ {
+ ctx->ex_data[idx] = data;
+ return WOLFSSL_SUCCESS;
+ }
+ #else
+ (void)ctx;
+ (void)idx;
+ (void)data;
+ #endif
+ return WOLFSSL_FAILURE;
+}
+
+
+/* Returns char* to app data stored in ex[0].
+ *
+ * ssl WOLFSSL structure to get app data from
+ */
+void* wolfSSL_get_app_data(const WOLFSSL *ssl)
+{
+ /* checkout exdata stuff... */
+ WOLFSSL_ENTER("wolfSSL_get_app_data");
+
+ return wolfSSL_get_ex_data(ssl, 0);
+}
+
+
+/* Set ex array 0 to have app data
+ *
+ * ssl WOLFSSL struct to set app data in
+ * arg data to be stored
+ *
+ * Returns SSL_SUCCESS on sucess and SSL_FAILURE on failure
+ */
+int wolfSSL_set_app_data(WOLFSSL *ssl, void* arg) {
+ WOLFSSL_ENTER("wolfSSL_set_app_data");
+
+ return wolfSSL_set_ex_data(ssl, 0, arg);
+}
+
+
+int wolfSSL_set_ex_data(WOLFSSL* ssl, int idx, void* data)
+{
+ WOLFSSL_ENTER("wolfSSL_set_ex_data");
+#if defined(HAVE_EX_DATA) || defined(FORTRESS)
+ if (ssl != NULL && idx < MAX_EX_DATA)
+ {
+ ssl->ex_data[idx] = data;
+ return WOLFSSL_SUCCESS;
+ }
+#else
+ WOLFSSL_MSG("HAVE_EX_DATA macro is not defined");
+ (void)ssl;
+ (void)idx;
+ (void)data;
+#endif
+ return WOLFSSL_FAILURE;
+}
+
+
+
+void* wolfSSL_get_ex_data(const WOLFSSL* ssl, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_get_ex_data");
+#if defined(HAVE_EX_DATA) || defined(FORTRESS)
+ if (ssl != NULL && idx < MAX_EX_DATA && idx >= 0)
+ return ssl->ex_data[idx];
+#else
+ WOLFSSL_MSG("HAVE_EX_DATA macro is not defined");
+ (void)ssl;
+ (void)idx;
+#endif
+ return 0;
+}
+
+#ifndef NO_DSA
+WOLFSSL_DSA *wolfSSL_PEM_read_bio_DSAparams(WOLFSSL_BIO *bp, WOLFSSL_DSA **x,
+ pem_password_cb *cb, void *u)
+{
+ WOLFSSL_DSA* dsa;
+ DsaKey* key;
+ int length;
+ unsigned char* buf;
+ word32 bufSz;
+ int ret;
+ word32 idx = 0;
+ DerBuffer* pDer;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_read_bio_DSAparams");
+
+ ret = wolfSSL_BIO_get_mem_data(bp, &buf);
+ if (ret <= 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_DSAparams", ret);
+ return NULL;
+ }
+
+ bufSz = (word32)ret;
+
+ if (cb != NULL || u != NULL) {
+ /*
+ * cb is for a call back when encountering encrypted PEM files
+ * if cb == NULL and u != NULL then u = null terminated password string
+ */
+ WOLFSSL_MSG("Not yet supporting call back or password for encrypted PEM");
+ }
+
+ if ((ret = PemToDer(buf, (long)bufSz, DSA_PARAM_TYPE, &pDer, NULL, NULL,
+ NULL)) < 0 ) {
+ WOLFSSL_MSG("Issue converting from PEM to DER");
+ return NULL;
+ }
+
+ if ((ret = GetSequence(pDer->buffer, &idx, &length, pDer->length)) < 0) {
+ WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_DSAparams", ret);
+ FreeDer(&pDer);
+ return NULL;
+ }
+
+ dsa = wolfSSL_DSA_new();
+ if (dsa == NULL) {
+ FreeDer(&pDer);
+ WOLFSSL_MSG("Error creating DSA struct");
+ return NULL;
+ }
+
+ key = (DsaKey*)dsa->internal;
+ if (key == NULL) {
+ FreeDer(&pDer);
+ wolfSSL_DSA_free(dsa);
+ WOLFSSL_MSG("Error finding DSA key struct");
+ return NULL;
+ }
+
+ if (GetInt(&key->p, pDer->buffer, &idx, pDer->length) < 0 ||
+ GetInt(&key->q, pDer->buffer, &idx, pDer->length) < 0 ||
+ GetInt(&key->g, pDer->buffer, &idx, pDer->length) < 0 ) {
+ WOLFSSL_MSG("dsa key error");
+ FreeDer(&pDer);
+ wolfSSL_DSA_free(dsa);
+ return NULL;
+ }
+
+ if (SetIndividualExternal(&dsa->p, &key->p) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa p key error");
+ FreeDer(&pDer);
+ wolfSSL_DSA_free(dsa);
+ return NULL;
+ }
+
+ if (SetIndividualExternal(&dsa->q, &key->q) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa q key error");
+ FreeDer(&pDer);
+ wolfSSL_DSA_free(dsa);
+ return NULL;
+ }
+
+ if (SetIndividualExternal(&dsa->g, &key->g) != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("dsa g key error");
+ FreeDer(&pDer);
+ wolfSSL_DSA_free(dsa);
+ return NULL;
+ }
+
+ if (x != NULL) {
+ *x = dsa;
+ }
+
+ FreeDer(&pDer);
+ return dsa;
+}
+#endif /* NO_DSA */
+
+#define WOLFSSL_BIO_INCLUDED
+#include "src/bio.c"
+
+/* Begin functions for openssl/buffer.h */
+WOLFSSL_BUF_MEM* wolfSSL_BUF_MEM_new(void)
+{
+ WOLFSSL_BUF_MEM* buf;
+ buf = (WOLFSSL_BUF_MEM*)XMALLOC(sizeof(WOLFSSL_BUF_MEM), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (buf) {
+ XMEMSET(buf, 0, sizeof(WOLFSSL_BUF_MEM));
+ }
+ return buf;
+}
+
+
+/* returns length of buffer on success */
+int wolfSSL_BUF_MEM_grow(WOLFSSL_BUF_MEM* buf, size_t len)
+{
+ int len_int = (int)len;
+ int mx;
+
+ /* verify provided arguments */
+ if (buf == NULL || len_int < 0) {
+ return 0; /* BAD_FUNC_ARG; */
+ }
+
+ /* check to see if fits in existing length */
+ if (buf->length > len) {
+ buf->length = len;
+ return len_int;
+ }
+
+ /* check to see if fits in max buffer */
+ if (buf->max >= len) {
+ if (buf->data != NULL) {
+ XMEMSET(&buf->data[buf->length], 0, len - buf->length);
+ }
+ buf->length = len;
+ return len_int;
+ }
+
+ /* expand size, to handle growth */
+ mx = (len_int + 3) / 3 * 4;
+
+ /* use realloc */
+ buf->data = (char*)XREALLOC(buf->data, mx, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (buf->data == NULL) {
+ return 0; /* ERR_R_MALLOC_FAILURE; */
+ }
+
+ buf->max = mx;
+ XMEMSET(&buf->data[buf->length], 0, len - buf->length);
+ buf->length = len;
+
+ return len_int;
+}
+
+void wolfSSL_BUF_MEM_free(WOLFSSL_BUF_MEM* buf)
+{
+ if (buf) {
+ if (buf->data) {
+ XFREE(buf->data, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ buf->data = NULL;
+ }
+ buf->max = 0;
+ buf->length = 0;
+ XFREE(buf, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+}
+/* End Functions for openssl/buffer.h */
+
+#endif /* OPENSSL_EXTRA */
+
+
+#if defined(HAVE_LIGHTY) || defined(HAVE_STUNNEL) \
+ || defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(OPENSSL_EXTRA)
+
+WOLFSSL_BIO *wolfSSL_BIO_new_file(const char *filename, const char *mode)
+{
+#ifndef NO_FILESYSTEM
+ WOLFSSL_BIO* bio;
+ XFILE fp;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_new_file");
+
+ fp = XFOPEN(filename, mode);
+ if (fp == NULL)
+ return NULL;
+
+ bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file());
+ if (bio == NULL) {
+ XFCLOSE(fp);
+ return bio;
+ }
+
+ if (wolfSSL_BIO_set_fp(bio, fp, BIO_CLOSE) != WOLFSSL_SUCCESS) {
+ XFCLOSE(fp);
+ wolfSSL_BIO_free(bio);
+ bio = NULL;
+ }
+
+ /* file is closed when BIO is free'd */
+ return bio;
+#else
+ (void)filename;
+ (void)mode;
+ return NULL;
+#endif /* NO_FILESYSTEM */
+}
+
+
+#ifndef NO_DH
+WOLFSSL_DH *wolfSSL_PEM_read_bio_DHparams(WOLFSSL_BIO *bio, WOLFSSL_DH **x,
+ pem_password_cb *cb, void *u)
+{
+#ifndef NO_FILESYSTEM
+ WOLFSSL_DH* localDh = NULL;
+ unsigned char* mem = NULL;
+ word32 size;
+ long sz;
+ int ret;
+ DerBuffer *der = NULL;
+ byte* p = NULL;
+ byte* g = NULL;
+ word32 pSz = MAX_DH_SIZE;
+ word32 gSz = MAX_DH_SIZE;
+ int memAlloced = 0;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_read_bio_DHparams");
+ (void)cb;
+ (void)u;
+
+ if (bio == NULL) {
+ WOLFSSL_MSG("Bad Function Argument bio is NULL");
+ return NULL;
+ }
+
+ if (bio->type == WOLFSSL_BIO_MEMORY) {
+ /* Use the buffer directly. */
+ ret = wolfSSL_BIO_get_mem_data(bio, &mem);
+ if (mem == NULL || ret <= 0) {
+ WOLFSSL_MSG("Failed to get data from bio struct");
+ goto end;
+ }
+ size = ret;
+ }
+ else if (bio->type == WOLFSSL_BIO_FILE) {
+ /* Read whole file into a new buffer. */
+ XFSEEK(bio->file, 0, SEEK_END);
+ sz = XFTELL(bio->file);
+ XFSEEK(bio->file, 0, SEEK_SET);
+ if (sz <= 0L)
+ goto end;
+ mem = (unsigned char*)XMALLOC(sz, NULL, DYNAMIC_TYPE_PEM);
+ if (mem == NULL)
+ goto end;
+ memAlloced = 1;
+
+ if (wolfSSL_BIO_read(bio, (char *)mem, (int)sz) <= 0)
+ goto end;
+ size = (word32)sz;
+ }
+ else {
+ WOLFSSL_MSG("BIO type not supported for reading DH parameters");
+ goto end;
+ }
+
+ ret = PemToDer(mem, size, DH_PARAM_TYPE, &der, NULL, NULL, NULL);
+ if (ret != 0)
+ goto end;
+
+ /* Use the object passed in, otherwise allocate a new object */
+ if (x != NULL)
+ localDh = *x;
+ if (localDh == NULL) {
+ localDh = (WOLFSSL_DH*)XMALLOC(sizeof(WOLFSSL_DH), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (localDh == NULL)
+ goto end;
+ XMEMSET(localDh, 0, sizeof(WOLFSSL_DH));
+ }
+
+ /* Load data in manually */
+ p = (byte*)XMALLOC(pSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ g = (byte*)XMALLOC(gSz, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ if (p == NULL || g == NULL)
+ goto end;
+
+ /* Extract the p and g as data from the DER encoded DH parameters. */
+ ret = wc_DhParamsLoad(der->buffer, der->length, p, &pSz, g, &gSz);
+ if (ret != 0) {
+ if (x != NULL && localDh != *x)
+ XFREE(localDh, NULL, DYNAMIC_TYPE_OPENSSL);
+ localDh = NULL;
+ goto end;
+ }
+
+ if (x != NULL)
+ *x = localDh;
+
+ /* Put p and g in as big numbers. */
+ if (localDh->p != NULL) {
+ wolfSSL_BN_free(localDh->p);
+ localDh->p = NULL;
+ }
+ if (localDh->g != NULL) {
+ wolfSSL_BN_free(localDh->g);
+ localDh->g = NULL;
+ }
+ localDh->p = wolfSSL_BN_bin2bn(p, pSz, NULL);
+ localDh->g = wolfSSL_BN_bin2bn(g, gSz, NULL);
+ if (localDh->p == NULL || localDh->g == NULL) {
+ if (x != NULL && localDh != *x)
+ wolfSSL_DH_free(localDh);
+ localDh = NULL;
+ }
+
+end:
+ if (memAlloced) XFREE(mem, NULL, DYNAMIC_TYPE_PEM);
+ if (der != NULL) FreeDer(&der);
+ XFREE(p, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, NULL, DYNAMIC_TYPE_PUBLIC_KEY);
+ return localDh;
+#else
+ (void)bio;
+ (void)x;
+ (void)cb;
+ (void)u;
+ return NULL;
+#endif
+}
+#endif
+
+#ifdef WOLFSSL_CERT_GEN
+
+#ifdef WOLFSSL_CERT_REQ
+/* writes the x509 from x to the WOLFSSL_BIO bp
+ *
+ * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail
+ */
+int wolfSSL_PEM_write_bio_X509_REQ(WOLFSSL_BIO *bp, WOLFSSL_X509 *x)
+{
+ byte* pem;
+ int pemSz = 0;
+ const unsigned char* der;
+ int derSz;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_REQ()");
+
+ if (x == NULL || bp == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ der = wolfSSL_X509_get_der(x, &derSz);
+ if (der == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* get PEM size */
+ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERTREQ_TYPE);
+ if (pemSz < 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* create PEM buffer and convert from DER */
+ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (pem == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERTREQ_TYPE) < 0) {
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* write the PEM to BIO */
+ ret = wolfSSL_BIO_write(bp, pem, pemSz);
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ if (ret <= 0) return WOLFSSL_FAILURE;
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_CERT_REQ */
+
+
+/* writes the x509 from x to the WOLFSSL_BIO bp
+ *
+ * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail
+ */
+int wolfSSL_PEM_write_bio_X509_AUX(WOLFSSL_BIO *bp, WOLFSSL_X509 *x)
+{
+ byte* pem;
+ int pemSz = 0;
+ const unsigned char* der;
+ int derSz;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_AUX()");
+
+ if (bp == NULL || x == NULL) {
+ WOLFSSL_MSG("NULL argument passed in");
+ return WOLFSSL_FAILURE;
+ }
+
+ der = wolfSSL_X509_get_der(x, &derSz);
+ if (der == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* get PEM size */
+ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE);
+ if (pemSz < 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* create PEM buffer and convert from DER */
+ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (pem == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) {
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* write the PEM to BIO */
+ ret = wolfSSL_BIO_write(bp, pem, pemSz);
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ if (ret <= 0) return WOLFSSL_FAILURE;
+ return WOLFSSL_SUCCESS;
+}
+#endif /* WOLFSSL_CERT_GEN */
+
+int wolfSSL_PEM_write_bio_X509(WOLFSSL_BIO *bio, WOLFSSL_X509 *cert)
+{
+ byte* pem;
+ int pemSz = 0;
+ const unsigned char* der;
+ int derSz;
+ int ret;
+
+ WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_AUX()");
+
+ if (bio == NULL || cert == NULL) {
+ WOLFSSL_MSG("NULL argument passed in");
+ return WOLFSSL_FAILURE;
+ }
+
+ der = wolfSSL_X509_get_der(cert, &derSz);
+ if (der == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* get PEM size */
+ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE);
+ if (pemSz < 0) {
+ return WOLFSSL_FAILURE;
+ }
+
+ /* create PEM buffer and convert from DER */
+ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (pem == NULL) {
+ return WOLFSSL_FAILURE;
+ }
+ if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) {
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+
+ /* write the PEM to BIO */
+ ret = wolfSSL_BIO_write(bio, pem, pemSz);
+ XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ if (ret <= 0) return WOLFSSL_FAILURE;
+ return WOLFSSL_SUCCESS;
+}
+
+
+#if defined(OPENSSL_EXTRA) && !defined(NO_DH)
+/* Intialize ctx->dh with dh's params. Return WOLFSSL_SUCCESS on ok */
+long wolfSSL_CTX_set_tmp_dh(WOLFSSL_CTX* ctx, WOLFSSL_DH* dh)
+{
+ int pSz, gSz;
+ byte *p, *g;
+ int ret=0;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_set_tmp_dh");
+
+ if(!ctx || !dh)
+ return BAD_FUNC_ARG;
+
+ /* Get needed size for p and g */
+ pSz = wolfSSL_BN_bn2bin(dh->p, NULL);
+ gSz = wolfSSL_BN_bn2bin(dh->g, NULL);
+
+ if(pSz <= 0 || gSz <= 0)
+ return WOLFSSL_FATAL_ERROR;
+
+ p = (byte*)XMALLOC(pSz, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if(!p)
+ return MEMORY_E;
+
+ g = (byte*)XMALLOC(gSz, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ if(!g) {
+ XFREE(p, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ return MEMORY_E;
+ }
+
+ pSz = wolfSSL_BN_bn2bin(dh->p, p);
+ gSz = wolfSSL_BN_bn2bin(dh->g, g);
+
+ if(pSz >= 0 && gSz >= 0) /* Conversion successful */
+ ret = wolfSSL_CTX_SetTmpDH(ctx, p, pSz, g, gSz);
+
+ XFREE(p, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+ XFREE(g, ctx->heap, DYNAMIC_TYPE_PUBLIC_KEY);
+
+ return pSz > 0 && gSz > 0 ? ret : WOLFSSL_FATAL_ERROR;
+}
+#endif /* OPENSSL_EXTRA && !NO_DH */
+
+
+/* returns the enum value associated with handshake state
+ *
+ * ssl the WOLFSSL structure to get state of
+ */
+int wolfSSL_get_state(const WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_state");
+
+ if (ssl == NULL) {
+ WOLFSSL_MSG("Null argument passed in");
+ return SSL_FAILURE;
+ }
+
+ return ssl->options.handShakeState;
+}
+#endif /* HAVE_LIGHTY || HAVE_STUNNEL || WOLFSSL_MYSQL_COMPATIBLE */
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_ASIO)
+
+/* Returns the verifyCallback from the ssl structure if successful.
+Returns NULL otherwise. */
+VerifyCallback wolfSSL_get_verify_callback(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_verify_callback()");
+ if (ssl) {
+ return ssl->verifyCallback;
+ }
+ return NULL;
+}
+
+/* Creates a new bio pair.
+Returns WOLFSSL_SUCCESS if no error, WOLFSSL_FAILURE otherwise.*/
+int wolfSSL_BIO_new_bio_pair(WOLFSSL_BIO **bio1_p, size_t writebuf1,
+ WOLFSSL_BIO **bio2_p, size_t writebuf2)
+{
+ WOLFSSL_BIO *bio1 = NULL, *bio2 = NULL;
+ int ret = 1;
+
+ WOLFSSL_ENTER("wolfSSL_BIO_new_bio_pair()");
+
+ if (bio1_p == NULL || bio2_p == NULL) {
+ WOLFSSL_MSG("Bad Function Argument");
+ return BAD_FUNC_ARG;
+ }
+
+ /* set up the new bio structures and write buf sizes */
+ if ((bio1 = wolfSSL_BIO_new(wolfSSL_BIO_s_bio())) == NULL) {
+ WOLFSSL_MSG("Bio allocation failed");
+ ret = WOLFSSL_FAILURE;
+ }
+ if (ret) {
+ if ((bio2 = wolfSSL_BIO_new(wolfSSL_BIO_s_bio())) == NULL) {
+ WOLFSSL_MSG("Bio allocation failed");
+ ret = WOLFSSL_FAILURE;
+ }
+ }
+ if (ret && writebuf1) {
+ if (!(ret = wolfSSL_BIO_set_write_buf_size(bio1, writebuf1))) {
+ WOLFSSL_MSG("wolfSSL_BIO_set_write_buf() failure");
+ }
+ }
+ if (ret && writebuf2) {
+ if (!(ret = wolfSSL_BIO_set_write_buf_size(bio2, writebuf2))) {
+ WOLFSSL_MSG("wolfSSL_BIO_set_write_buf() failure");
+ }
+ }
+
+ if (ret) {
+ if ((ret = wolfSSL_BIO_make_bio_pair(bio1, bio2))) {
+ *bio1_p = bio1;
+ *bio2_p = bio2;
+ }
+ }
+ if (!ret) {
+ wolfSSL_BIO_free(bio1);
+ bio1 = NULL;
+ wolfSSL_BIO_free(bio2);
+ bio2 = NULL;
+ }
+ return ret;
+}
+
+
+#if !defined(NO_RSA)
+/* Converts an rsa key from a bio buffer into an internal rsa structure.
+Returns a pointer to the new WOLFSSL_RSA structure. */
+WOLFSSL_RSA* wolfSSL_d2i_RSAPrivateKey_bio(WOLFSSL_BIO *bio, WOLFSSL_RSA **out)
+{
+ const unsigned char* bioMem = NULL;
+ int bioMemSz = 0;
+ WOLFSSL_RSA* key = NULL;
+ unsigned char maxKeyBuf[4096];
+ unsigned char* bufPtr = NULL;
+ unsigned char* extraBioMem = NULL;
+ int extraBioMemSz = 0;
+ int derLength = 0;
+ int j = 0, i = 0;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_RSAPrivateKey_bio()");
+
+ if (bio == NULL) {
+ WOLFSSL_MSG("Bad Function Argument");
+ return NULL;
+ }
+ (void)out;
+
+ bioMemSz = wolfSSL_BIO_pending(bio);
+ if (bioMemSz <= 0) {
+ WOLFSSL_MSG("wolfSSL_BIO_pending() failure");
+ return NULL;
+ }
+
+ bioMem = (unsigned char*)XMALLOC(bioMemSz, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (bioMem == NULL) {
+ WOLFSSL_MSG("Malloc failure");
+ return NULL;
+ }
+
+ bufPtr = maxKeyBuf;
+ if (wolfSSL_BIO_read(bio, (unsigned char*)bioMem, (int)bioMemSz) == bioMemSz) {
+ if ((key = wolfSSL_d2i_RSAPrivateKey(NULL, &bioMem, bioMemSz)) == NULL) {
+ XFREE((unsigned char*)bioMem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+
+ /* This function is used to get the total length of the rsa key. */
+ derLength = wolfSSL_i2d_RSAPrivateKey(key, &bufPtr);
+
+ /* Write extra data back into bio object if necessary. */
+ extraBioMemSz = (bioMemSz - derLength);
+ if (extraBioMemSz > 0) {
+ extraBioMem = (unsigned char *)XMALLOC(extraBioMemSz, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (extraBioMem == NULL) {
+ WOLFSSL_MSG("Malloc failure");;
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE((unsigned char*)bioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+
+ for (i = derLength; i < bioMemSz; i++) {
+ *(extraBioMem + j) = *(bioMem + i);
+ j++;
+ }
+
+ wolfSSL_BIO_write(bio, extraBioMem, extraBioMemSz);
+ if (wolfSSL_BIO_pending(bio) <= 0) {
+ WOLFSSL_MSG("Failed to write memory to bio");
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE((unsigned char*)bioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ }
+
+ if (out != NULL && key != NULL) {
+ *out = key;
+ }
+ }
+ XFREE((unsigned char*)bioMem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return key;
+}
+#endif
+
+
+/* Adds the ASN1 certificate to the user ctx.
+Returns WOLFSSL_SUCCESS if no error, returns WOLFSSL_FAILURE otherwise.*/
+int wolfSSL_CTX_use_certificate_ASN1(WOLFSSL_CTX *ctx, int derSz,
+ const unsigned char *der)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_use_certificate_ASN1()");
+ if (der != NULL && ctx != NULL) {
+ if (wolfSSL_CTX_use_certificate_buffer(ctx, der, derSz,
+ WOLFSSL_FILETYPE_ASN1) == WOLFSSL_SUCCESS) {
+ return WOLFSSL_SUCCESS;
+ }
+
+ }
+ return WOLFSSL_FAILURE;
+}
+
+
+#if !defined(NO_RSA) && !defined(HAVE_FAST_RSA)
+/* Adds the rsa private key to the user ctx.
+Returns WOLFSSL_SUCCESS if no error, returns WOLFSSL_FAILURE otherwise.*/
+int wolfSSL_CTX_use_RSAPrivateKey(WOLFSSL_CTX* ctx, WOLFSSL_RSA* rsa)
+{
+ int ret;
+ int derSize;
+ unsigned char maxDerBuf[4096];
+ unsigned char* key = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_CTX_use_RSAPrivateKey()");
+
+ if (ctx == NULL || rsa == NULL) {
+ WOLFSSL_MSG("one or more inputs were NULL");
+ return BAD_FUNC_ARG;
+ }
+ key = maxDerBuf;
+ /* convert RSA struct to der encoded buffer and get the size */
+ if ((derSize = wolfSSL_i2d_RSAPrivateKey(rsa, &key)) <= 0) {
+ WOLFSSL_MSG("wolfSSL_i2d_RSAPrivateKey() failure");
+ return WOLFSSL_FAILURE;
+ }
+ ret = wolfSSL_CTX_use_PrivateKey_buffer(ctx, (const unsigned char*)maxDerBuf,
+ derSize, SSL_FILETYPE_ASN1);
+ if (ret != WOLFSSL_SUCCESS) {
+ WOLFSSL_MSG("wolfSSL_CTX_USE_PrivateKey_buffer() failure");
+ return WOLFSSL_FAILURE;
+ }
+ return ret;
+}
+#endif /* NO_RSA && !HAVE_FAST_RSA */
+
+
+/* Converts EVP_PKEY data from a bio buffer to a WOLFSSL_EVP_PKEY structure.
+Returns pointer to private EVP_PKEY struct upon success, NULL if there
+is a failure.*/
+WOLFSSL_EVP_PKEY* wolfSSL_d2i_PrivateKey_bio(WOLFSSL_BIO* bio,
+ WOLFSSL_EVP_PKEY** out)
+{
+ unsigned char* mem = NULL;
+ int memSz = 0;
+ WOLFSSL_EVP_PKEY* key = NULL;
+ int i = 0, j = 0;
+ unsigned char* extraBioMem = NULL;
+ int extraBioMemSz = 0;
+ int derLength = 0;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PrivateKey_bio()");
+
+ if (bio == NULL) {
+ return NULL;
+ }
+ (void)out;
+
+ memSz = wolfSSL_BIO_pending(bio);
+ if (memSz <= 0) {
+ WOLFSSL_MSG("wolfSSL_BIO_pending() failure");
+ return NULL;
+ }
+
+ mem = (unsigned char*)XMALLOC(memSz, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ if (mem == NULL) {
+ WOLFSSL_MSG("Malloc failure");
+ return NULL;
+ }
+
+ if (wolfSSL_BIO_read(bio, (unsigned char*)mem, memSz) == memSz) {
+ /* Determines key type and returns the new private EVP_PKEY object */
+ if ((key = wolfSSL_d2i_PrivateKey_EVP(NULL, &mem, (long)memSz)) == NULL) {
+ WOLFSSL_MSG("wolfSSL_d2i_PrivateKey_EVP() failure");
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+
+ /* Write extra data back into bio object if necessary. */
+ derLength = key->pkey_sz;
+ extraBioMemSz = (memSz - derLength);
+ if (extraBioMemSz > 0) {
+ extraBioMem = (unsigned char *)XMALLOC(extraBioMemSz, NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (extraBioMem == NULL) {
+ WOLFSSL_MSG("Malloc failure");
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+
+ for (i = derLength; i < memSz; i++) {
+ *(extraBioMem + j) = *(mem + i);
+ j++;
+ }
+
+ wolfSSL_BIO_write(bio, extraBioMem, extraBioMemSz);
+ if (wolfSSL_BIO_pending(bio) <= 0) {
+ WOLFSSL_MSG("Failed to write memory to bio");
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return NULL;
+ }
+ XFREE((unsigned char*)extraBioMem, bio->heap,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ }
+
+ if (out != NULL && key != NULL) {
+ *out = key;
+ }
+ }
+ XFREE(mem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+ return key;
+}
+
+
+/* Converts a DER encoded private key to a WOLFSSL_EVP_PKEY structure.
+ * returns a pointer to a new WOLFSSL_EVP_PKEY structure on success and NULL
+ * on fail */
+WOLFSSL_EVP_PKEY* wolfSSL_d2i_PrivateKey_EVP(WOLFSSL_EVP_PKEY** out,
+ unsigned char** in, long inSz)
+{
+ WOLFSSL_EVP_PKEY* pkey = NULL;
+ const unsigned char* mem;
+ long memSz = inSz;
+
+ WOLFSSL_ENTER("wolfSSL_d2i_PrivateKey_EVP()");
+
+ if (in == NULL || inSz < 0) {
+ WOLFSSL_MSG("Bad argument");
+ return NULL;
+ }
+ mem = *in;
+
+ #if !defined(NO_RSA)
+ {
+ RsaKey rsa;
+ word32 keyIdx = 0;
+
+ /* test if RSA key */
+ if (wc_InitRsaKey(&rsa, NULL) == 0 &&
+ wc_RsaPrivateKeyDecode(mem, &keyIdx, &rsa, (word32)memSz) == 0) {
+ wc_FreeRsaKey(&rsa);
+ pkey = wolfSSL_PKEY_new();
+ if (pkey != NULL) {
+ pkey->pkey_sz = keyIdx;
+ pkey->pkey.ptr = (char*)XMALLOC(memSz, NULL,
+ DYNAMIC_TYPE_PRIVATE_KEY);
+ if (pkey->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+ XMEMCPY(pkey->pkey.ptr, mem, keyIdx);
+ pkey->type = EVP_PKEY_RSA;
+ if (out != NULL) {
+ *out = pkey;
+ }
+
+ pkey->ownRsa = 1;
+ pkey->rsa = wolfSSL_RSA_new();
+ if (pkey->rsa == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+
+ if (wolfSSL_RSA_LoadDer_ex(pkey->rsa,
+ (const unsigned char*)pkey->pkey.ptr,
+ pkey->pkey_sz, WOLFSSL_RSA_LOAD_PRIVATE) != 1) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+
+ return pkey;
+ }
+ }
+ wc_FreeRsaKey(&rsa);
+ }
+ #endif /* NO_RSA */
+
+ #ifdef HAVE_ECC
+ {
+ word32 keyIdx = 0;
+ ecc_key ecc;
+
+ /* test if ecc key */
+ if (wc_ecc_init(&ecc) == 0 &&
+ wc_EccPrivateKeyDecode(mem, &keyIdx, &ecc, (word32)memSz) == 0) {
+ wc_ecc_free(&ecc);
+ pkey = wolfSSL_PKEY_new();
+ if (pkey != NULL) {
+ pkey->pkey_sz = keyIdx;
+ pkey->pkey.ptr = (char*)XMALLOC(keyIdx, NULL,
+ DYNAMIC_TYPE_PRIVATE_KEY);
+ if (pkey->pkey.ptr == NULL) {
+ wolfSSL_EVP_PKEY_free(pkey);
+ return NULL;
+ }
+ XMEMCPY(pkey->pkey.ptr, mem, keyIdx);
+ pkey->type = EVP_PKEY_EC;
+ if (out != NULL) {
+ *out = pkey;
+ }
+ return pkey;
+ }
+ }
+ wc_ecc_free(&ecc);
+ }
+ #endif /* HAVE_ECC */
+ return pkey;
+}
+#endif /* OPENSSL_ALL || WOLFSSL_ASIO */
+
+
+/* stunnel compatibility functions*/
+#if defined(OPENSSL_ALL) || (defined(OPENSSL_EXTRA) && (defined(HAVE_STUNNEL) \
+ || defined(WOLFSSL_NGINX) || defined(HAVE_LIGHTY)))
+void wolfSSL_ERR_remove_thread_state(void* pid)
+{
+ (void) pid;
+ return;
+}
+
+#ifndef NO_FILESYSTEM
+/***TBD ***/
+void wolfSSL_print_all_errors_fp(XFILE *fp)
+{
+ (void)fp;
+}
+#endif
+
+int wolfSSL_SESSION_set_ex_data(WOLFSSL_SESSION* session, int idx, void* data)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_set_ex_data");
+#ifdef HAVE_EX_DATA
+ if(session != NULL && idx < MAX_EX_DATA) {
+ session->ex_data[idx] = data;
+ return WOLFSSL_SUCCESS;
+ }
+#else
+ (void)session;
+ (void)idx;
+ (void)data;
+#endif
+ return WOLFSSL_FAILURE;
+}
+
+
+int wolfSSL_SESSION_get_ex_new_index(long idx, void* data, void* cb1,
+ void* cb2, CRYPTO_free_func* cb3)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_ex_new_index");
+ (void)idx;
+ (void)cb1;
+ (void)cb2;
+ (void)cb3;
+ if (XSTRNCMP((const char*)data, "redirect index", 14) == 0) {
+ return 0;
+ }
+ else if (XSTRNCMP((const char*)data, "addr index", 10) == 0) {
+ return 1;
+ }
+ return WOLFSSL_FAILURE;
+}
+
+
+void* wolfSSL_SESSION_get_ex_data(const WOLFSSL_SESSION* session, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_ex_data");
+#ifdef HAVE_EX_DATA
+ if (session != NULL && idx < MAX_EX_DATA && idx >= 0)
+ return session->ex_data[idx];
+#else
+ (void)session;
+ (void)idx;
+#endif
+ return NULL;
+}
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
+ void *(*r) (void *, size_t, const char *,
+ int), void (*f) (void *))
+{
+ (void) m;
+ (void) r;
+ (void) f;
+ WOLFSSL_ENTER("wolfSSL_CRYPTO_set_mem_ex_functions");
+ WOLFSSL_STUB("CRYPTO_set_mem_ex_functions");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+
+void wolfSSL_CRYPTO_cleanup_all_ex_data(void){
+ WOLFSSL_ENTER("CRYPTO_cleanup_all_ex_data");
+}
+
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_DH *wolfSSL_DH_generate_parameters(int prime_len, int generator,
+ void (*callback) (int, int, void *), void *cb_arg)
+{
+ (void)prime_len;
+ (void)generator;
+ (void)callback;
+ (void)cb_arg;
+ WOLFSSL_ENTER("wolfSSL_DH_generate_parameters");
+ WOLFSSL_STUB("DH_generate_parameters");
+
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_DH_generate_parameters_ex(WOLFSSL_DH* dh, int prime_len, int generator,
+ void (*callback) (int, int, void *))
+{
+ (void)prime_len;
+ (void)generator;
+ (void)callback;
+ (void)dh;
+ WOLFSSL_ENTER("wolfSSL_DH_generate_parameters_ex");
+ WOLFSSL_STUB("DH_generate_parameters_ex");
+
+ return -1;
+}
+#endif
+
+void wolfSSL_ERR_load_crypto_strings(void)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_load_crypto_strings");
+ /* Do nothing */
+ return;
+}
+
+#ifndef NO_WOLFSSL_STUB
+unsigned long wolfSSL_ERR_peek_last_error(void)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_peek_last_error");
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX)
+ {
+ int ret;
+
+ if ((ret = wc_PeekErrorNode(-1, NULL, NULL, NULL)) < 0) {
+ WOLFSSL_MSG("Issue peeking at error node in queue");
+ return 0;
+ }
+ if (ret == -ASN_NO_PEM_HEADER)
+ return (ERR_LIB_PEM << 24) | PEM_R_NO_START_LINE;
+ return (unsigned long)ret;
+ }
+#else
+ return (unsigned long)(0 - NOT_COMPILED_IN);
+#endif
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_FIPS_mode(void)
+{
+ WOLFSSL_ENTER("wolfSSL_FIPS_mode");
+ WOLFSSL_STUB("FIPS_mode");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_FIPS_mode_set(int r)
+{
+ (void)r;
+ WOLFSSL_ENTER("wolfSSL_FIPS_mode_set");
+ WOLFSSL_STUB("FIPS_mode_set");
+
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_RAND_set_rand_method(const void *meth)
+{
+ (void) meth;
+ WOLFSSL_ENTER("wolfSSL_RAND_set_rand_method");
+ WOLFSSL_STUB("RAND_set_rand_method");
+
+ /* if implemented RAND_bytes and RAND_pseudo_bytes need updated
+ * those two functions will call the respective functions from meth */
+ return SSL_FAILURE;
+}
+#endif
+
+int wolfSSL_CIPHER_get_bits(const WOLFSSL_CIPHER *c, int *alg_bits)
+{
+ int ret = WOLFSSL_FAILURE;
+ WOLFSSL_ENTER("wolfSSL_CIPHER_get_bits");
+ if(c != NULL && c->ssl != NULL) {
+ ret = 8 * c->ssl->specs.key_size;
+ if(alg_bits != NULL) {
+ *alg_bits = ret;
+ }
+ }
+ return ret;
+}
+
+int wolfSSL_sk_X509_NAME_num(const WOLF_STACK_OF(WOLFSSL_X509_NAME) *s)
+{
+ WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_num");
+
+ if (s == NULL)
+ return -1;
+ return (int)s->num;
+}
+
+
+int wolfSSL_sk_X509_num(const WOLF_STACK_OF(WOLFSSL_X509) *s)
+{
+ WOLFSSL_ENTER("wolfSSL_sk_X509_num");
+
+ if (s == NULL)
+ return -1;
+ return (int)s->num;
+}
+
+int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
+ int indent, unsigned long flags)
+{
+ int i;
+ (void)flags;
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_print_ex");
+
+ for (i = 0; i < indent; i++) {
+ if (wolfSSL_BIO_write(bio, " ", 1) != 1)
+ return WOLFSSL_FAILURE;
+ }
+
+ if (flags == XN_FLAG_RFC2253) {
+ if (wolfSSL_BIO_write(bio, name->name + 1, name->sz - 2)
+ != name->sz - 2)
+ return WOLFSSL_FAILURE;
+ }
+ else if (wolfSSL_BIO_write(bio, name->name, name->sz) != name->sz)
+ return WOLFSSL_FAILURE;
+
+ return WOLFSSL_SUCCESS;
+}
+
+#ifndef NO_WOLFSSL_STUB
+WOLFSSL_ASN1_BIT_STRING* wolfSSL_X509_get0_pubkey_bitstr(const WOLFSSL_X509* x)
+{
+ (void)x;
+ WOLFSSL_ENTER("wolfSSL_X509_get0_pubkey_bitstr");
+ WOLFSSL_STUB("X509_get0_pubkey_bitstr");
+
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_CTX_add_session(WOLFSSL_CTX* ctx, WOLFSSL_SESSION* session)
+{
+ (void)ctx;
+ (void)session;
+ WOLFSSL_ENTER("wolfSSL_CTX_add_session");
+ WOLFSSL_STUB("SSL_CTX_add_session");
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+
+int wolfSSL_version(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_version");
+ if (ssl->version.major == SSLv3_MAJOR) {
+ switch (ssl->version.minor) {
+ case SSLv3_MINOR :
+ return SSL3_VERSION;
+ case TLSv1_MINOR :
+ case TLSv1_1_MINOR :
+ case TLSv1_2_MINOR :
+ case TLSv1_3_MINOR :
+ return TLS1_VERSION;
+ default:
+ return WOLFSSL_FAILURE;
+ }
+ }
+ else if (ssl->version.major == DTLS_MAJOR) {
+ switch (ssl->version.minor) {
+ case DTLS_MINOR :
+ case DTLSv1_2_MINOR :
+ return DTLS1_VERSION;
+ default:
+ return WOLFSSL_FAILURE;
+ }
+ }
+ return WOLFSSL_FAILURE;
+}
+
+
+WOLFSSL_CTX* wolfSSL_get_SSL_CTX(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_SSL_CTX");
+ return ssl->ctx;
+}
+
+int wolfSSL_X509_NAME_get_sz(WOLFSSL_X509_NAME* name)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_get_sz");
+ if(!name)
+ return -1;
+ return name->sz;
+}
+
+#ifdef HAVE_SNI
+int wolfSSL_set_tlsext_host_name(WOLFSSL* ssl, const char* host_name)
+{
+ int ret;
+ WOLFSSL_ENTER("wolfSSL_set_tlsext_host_name");
+ ret = wolfSSL_UseSNI(ssl, WOLFSSL_SNI_HOST_NAME,
+ host_name, (word16)XSTRLEN(host_name));
+ WOLFSSL_LEAVE("wolfSSL_set_tlsext_host_name", ret);
+ return ret;
+}
+
+
+#ifndef NO_WOLFSSL_SERVER
+const char * wolfSSL_get_servername(WOLFSSL* ssl, byte type)
+{
+ void * serverName = NULL;
+ if (ssl == NULL)
+ return NULL;
+ TLSX_SNI_GetRequest(ssl->extensions, type, &serverName);
+ return (const char *)serverName;
+}
+#endif /* NO_WOLFSSL_SERVER */
+#endif /* HAVE_SNI */
+
+WOLFSSL_CTX* wolfSSL_set_SSL_CTX(WOLFSSL* ssl, WOLFSSL_CTX* ctx)
+{
+ if (ssl && ctx && SetSSL_CTX(ssl, ctx, 0) == WOLFSSL_SUCCESS)
+ return ssl->ctx;
+ return NULL;
+}
+
+
+VerifyCallback wolfSSL_CTX_get_verify_callback(WOLFSSL_CTX* ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_get_verify_callback");
+ if(ctx)
+ return ctx->verifyCallback;
+ return NULL;
+}
+
+
+void wolfSSL_CTX_set_servername_callback(WOLFSSL_CTX* ctx, CallbackSniRecv cb)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_servername_callback");
+ if (ctx)
+ ctx->sniRecvCb = cb;
+}
+
+int wolfSSL_CTX_set_tlsext_servername_callback(WOLFSSL_CTX* ctx,
+ CallbackSniRecv cb)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_tlsext_servername_callback");
+ if (ctx) {
+ ctx->sniRecvCb = cb;
+ return 1;
+ }
+ return 0;
+}
+
+void wolfSSL_CTX_set_servername_arg(WOLFSSL_CTX* ctx, void* arg)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_servername_arg");
+ if (ctx)
+ ctx->sniRecvCbArg = arg;
+}
+
+void wolfSSL_ERR_load_BIO_strings(void) {
+ WOLFSSL_ENTER("ERR_load_BIO_strings");
+ /* do nothing */
+}
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_THREADID_set_callback(void(*threadid_func)(void*))
+{
+ WOLFSSL_ENTER("wolfSSL_THREADID_set_callback");
+ WOLFSSL_STUB("CRYPTO_THREADID_set_callback");
+ (void)threadid_func;
+ return;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_THREADID_set_numeric(void* id, unsigned long val)
+{
+ WOLFSSL_ENTER("wolfSSL_THREADID_set_numeric");
+ WOLFSSL_STUB("CRYPTO_THREADID_set_numeric");
+ (void)id;
+ (void)val;
+ return;
+}
+#endif
+
+
+#ifndef NO_WOLFSSL_STUB
+WOLF_STACK_OF(WOLFSSL_X509)* wolfSSL_X509_STORE_get1_certs(WOLFSSL_X509_STORE_CTX* ctx,
+ WOLFSSL_X509_NAME* name)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_STORE_get1_certs");
+ WOLFSSL_STUB("X509_STORE_get1_certs");
+ (void)ctx;
+ (void)name;
+ return NULL;
+}
+#endif
+
+#endif /* OPENSSL_ALL || (OPENSSL_EXTRA && (HAVE_STUNNEL || WOLFSSL_NGINX || HAVE_LIGHTY)) */
+
+
+#if defined(OPENSSL_ALL) || \
+ (defined(OPENSSL_EXTRA) && (defined(HAVE_STUNNEL) || \
+ defined(WOLFSSL_NGINX)) || defined(WOLFSSL_HAPROXY))
+
+const byte* wolfSSL_SESSION_get_id(WOLFSSL_SESSION* sess, unsigned int* idLen)
+{
+ WOLFSSL_ENTER("wolfSSL_SESSION_get_id");
+ if(!sess || !idLen) {
+ WOLFSSL_MSG("Bad func args. Please provide idLen");
+ return NULL;
+ }
+ *idLen = sess->sessionIDSz;
+ return sess->sessionID;
+}
+#endif
+
+#if defined(OPENSSL_ALL) || (defined(OPENSSL_EXTRA) && defined(HAVE_STUNNEL)) \
+ || defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(WOLFSSL_NGINX)
+
+int wolfSSL_CTX_get_verify_mode(WOLFSSL_CTX* ctx)
+{
+ int mode = 0;
+ WOLFSSL_ENTER("wolfSSL_CTX_get_verify_mode");
+
+ if(!ctx)
+ return WOLFSSL_FATAL_ERROR;
+
+ if (ctx->verifyPeer)
+ mode |= WOLFSSL_VERIFY_PEER;
+ else if (ctx->verifyNone)
+ mode |= WOLFSSL_VERIFY_NONE;
+
+ if (ctx->failNoCert)
+ mode |= WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT;
+
+ if (ctx->failNoCertxPSK)
+ mode |= WOLFSSL_VERIFY_FAIL_EXCEPT_PSK;
+
+ WOLFSSL_LEAVE("wolfSSL_CTX_get_verify_mode", mode);
+ return mode;
+}
+#endif
+
+#if defined(OPENSSL_EXTRA) && defined(HAVE_CURVE25519)
+/* return 1 if success, 0 if error
+ * output keys are little endian format
+ */
+int wolfSSL_EC25519_generate_key(unsigned char *priv, unsigned int *privSz,
+ unsigned char *pub, unsigned int *pubSz)
+{
+#ifndef WOLFSSL_KEY_GEN
+ WOLFSSL_MSG("No Key Gen built in");
+ (void) priv;
+ (void) privSz;
+ (void) pub;
+ (void) pubSz;
+ return WOLFSSL_FAILURE;
+#else /* WOLFSSL_KEY_GEN */
+ int ret = WOLFSSL_FAILURE;
+ int initTmpRng = 0;
+ WC_RNG *rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG *tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_EC25519_generate_key");
+
+ if (priv == NULL || privSz == NULL || *privSz < CURVE25519_KEYSIZE ||
+ pub == NULL || pubSz == NULL || *pubSz < CURVE25519_KEYSIZE) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return WOLFSSL_FAILURE;
+#endif
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ curve25519_key key;
+
+ if (wc_curve25519_init(&key) != MP_OKAY)
+ WOLFSSL_MSG("wc_curve25519_init failed");
+ else if (wc_curve25519_make_key(rng, CURVE25519_KEYSIZE, &key)!=MP_OKAY)
+ WOLFSSL_MSG("wc_curve25519_make_key failed");
+ /* export key pair */
+ else if (wc_curve25519_export_key_raw_ex(&key, priv, privSz, pub,
+ pubSz, EC25519_LITTLE_ENDIAN)
+ != MP_OKAY)
+ WOLFSSL_MSG("wc_curve25519_export_key_raw_ex failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+
+ wc_curve25519_free(&key);
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return ret;
+#endif /* WOLFSSL_KEY_GEN */
+}
+
+/* return 1 if success, 0 if error
+ * input and output keys are little endian format
+ */
+int wolfSSL_EC25519_shared_key(unsigned char *shared, unsigned int *sharedSz,
+ const unsigned char *priv, unsigned int privSz,
+ const unsigned char *pub, unsigned int pubSz)
+{
+#ifndef WOLFSSL_KEY_GEN
+ WOLFSSL_MSG("No Key Gen built in");
+ (void) shared;
+ (void) sharedSz;
+ (void) priv;
+ (void) privSz;
+ (void) pub;
+ (void) pubSz;
+ return WOLFSSL_FAILURE;
+#else /* WOLFSSL_KEY_GEN */
+ int ret = WOLFSSL_FAILURE;
+ curve25519_key privkey, pubkey;
+
+ WOLFSSL_ENTER("wolfSSL_EC25519_shared_key");
+
+ if (shared == NULL || sharedSz == NULL || *sharedSz < CURVE25519_KEYSIZE ||
+ priv == NULL || privSz < CURVE25519_KEYSIZE ||
+ pub == NULL || pubSz < CURVE25519_KEYSIZE) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* import private key */
+ if (wc_curve25519_init(&privkey) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_init privkey failed");
+ return ret;
+ }
+ if (wc_curve25519_import_private_ex(priv, privSz, &privkey,
+ EC25519_LITTLE_ENDIAN) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_import_private_ex failed");
+ wc_curve25519_free(&privkey);
+ return ret;
+ }
+
+ /* import public key */
+ if (wc_curve25519_init(&pubkey) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_init pubkey failed");
+ wc_curve25519_free(&privkey);
+ return ret;
+ }
+ if (wc_curve25519_import_public_ex(pub, pubSz, &pubkey,
+ EC25519_LITTLE_ENDIAN) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_import_public_ex failed");
+ wc_curve25519_free(&privkey);
+ wc_curve25519_free(&pubkey);
+ return ret;
+ }
+
+ if (wc_curve25519_shared_secret_ex(&privkey, &pubkey,
+ shared, sharedSz,
+ EC25519_LITTLE_ENDIAN) != MP_OKAY)
+ WOLFSSL_MSG("wc_curve25519_shared_secret_ex failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+
+ wc_curve25519_free(&privkey);
+ wc_curve25519_free(&pubkey);
+
+ return ret;
+#endif /* WOLFSSL_KEY_GEN */
+}
+#endif /* OPENSSL_EXTRA && HAVE_CURVE25519 */
+
+#if defined(OPENSSL_EXTRA) && defined(HAVE_ED25519)
+/* return 1 if success, 0 if error
+ * output keys are little endian format
+ */
+int wolfSSL_ED25519_generate_key(unsigned char *priv, unsigned int *privSz,
+ unsigned char *pub, unsigned int *pubSz)
+{
+#ifndef WOLFSSL_KEY_GEN
+ WOLFSSL_MSG("No Key Gen built in");
+ (void) priv;
+ (void) privSz;
+ (void) pub;
+ (void) pubSz;
+ return WOLFSSL_FAILURE;
+#else /* WOLFSSL_KEY_GEN */
+ int ret = WOLFSSL_FAILURE;
+ int initTmpRng = 0;
+ WC_RNG *rng = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ WC_RNG *tmpRNG = NULL;
+#else
+ WC_RNG tmpRNG[1];
+#endif
+
+ WOLFSSL_ENTER("wolfSSL_ED25519_generate_key");
+
+ if (priv == NULL || privSz == NULL || *privSz < ED25519_PRV_KEY_SIZE ||
+ pub == NULL || pubSz == NULL || *pubSz < ED25519_PUB_KEY_SIZE) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+#ifdef WOLFSSL_SMALL_STACK
+ tmpRNG = (WC_RNG*)XMALLOC(sizeof(WC_RNG), NULL, DYNAMIC_TYPE_RNG);
+ if (tmpRNG == NULL)
+ return WOLFSSL_FATAL_ERROR;
+#endif
+ if (wc_InitRng(tmpRNG) == 0) {
+ rng = tmpRNG;
+ initTmpRng = 1;
+ }
+ else {
+ WOLFSSL_MSG("Bad RNG Init, trying global");
+ if (initGlobalRNG == 0)
+ WOLFSSL_MSG("Global RNG no Init");
+ else
+ rng = &globalRNG;
+ }
+
+ if (rng) {
+ ed25519_key key;
+
+ if (wc_ed25519_init(&key) != MP_OKAY)
+ WOLFSSL_MSG("wc_ed25519_init failed");
+ else if (wc_ed25519_make_key(rng, ED25519_KEY_SIZE, &key)!=MP_OKAY)
+ WOLFSSL_MSG("wc_ed25519_make_key failed");
+ /* export private key */
+ else if (wc_ed25519_export_key(&key, priv, privSz, pub, pubSz)!=MP_OKAY)
+ WOLFSSL_MSG("wc_ed25519_export_key failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+
+ wc_ed25519_free(&key);
+ }
+
+ if (initTmpRng)
+ wc_FreeRng(tmpRNG);
+
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(tmpRNG, NULL, DYNAMIC_TYPE_RNG);
+#endif
+
+ return ret;
+#endif /* WOLFSSL_KEY_GEN */
+}
+
+/* return 1 if success, 0 if error
+ * input and output keys are little endian format
+ * priv is a buffer containing private and public part of key
+ */
+int wolfSSL_ED25519_sign(const unsigned char *msg, unsigned int msgSz,
+ const unsigned char *priv, unsigned int privSz,
+ unsigned char *sig, unsigned int *sigSz)
+{
+#ifndef WOLFSSL_KEY_GEN
+ WOLFSSL_MSG("No Key Gen built in");
+ (void) msg;
+ (void) msgSz;
+ (void) priv;
+ (void) privSz;
+ (void) sig;
+ (void) sigSz;
+ return WOLFSSL_FAILURE;
+#else /* WOLFSSL_KEY_GEN */
+ ed25519_key key;
+ int ret = WOLFSSL_FAILURE;
+
+ WOLFSSL_ENTER("wolfSSL_ED25519_sign");
+
+ if (priv == NULL || privSz != ED25519_PRV_KEY_SIZE ||
+ msg == NULL || sig == NULL || *sigSz < ED25519_SIG_SIZE) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* import key */
+ if (wc_ed25519_init(&key) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_init failed");
+ return ret;
+ }
+ if (wc_ed25519_import_private_key(priv, privSz/2,
+ priv+(privSz/2), ED25519_PUB_KEY_SIZE,
+ &key) != MP_OKAY){
+ WOLFSSL_MSG("wc_ed25519_import_private failed");
+ wc_ed25519_free(&key);
+ return ret;
+ }
+
+ if (wc_ed25519_sign_msg(msg, msgSz, sig, sigSz, &key) != MP_OKAY)
+ WOLFSSL_MSG("wc_curve25519_shared_secret_ex failed");
+ else
+ ret = WOLFSSL_SUCCESS;
+
+ wc_ed25519_free(&key);
+
+ return ret;
+#endif /* WOLFSSL_KEY_GEN */
+}
+
+/* return 1 if success, 0 if error
+ * input and output keys are little endian format
+ * pub is a buffer containing public part of key
+ */
+int wolfSSL_ED25519_verify(const unsigned char *msg, unsigned int msgSz,
+ const unsigned char *pub, unsigned int pubSz,
+ const unsigned char *sig, unsigned int sigSz)
+{
+#ifndef WOLFSSL_KEY_GEN
+ WOLFSSL_MSG("No Key Gen built in");
+ (void) msg;
+ (void) msgSz;
+ (void) pub;
+ (void) pubSz;
+ (void) sig;
+ (void) sigSz;
+ return WOLFSSL_FAILURE;
+#else /* WOLFSSL_KEY_GEN */
+ ed25519_key key;
+ int ret = WOLFSSL_FAILURE, check = 0;
+
+ WOLFSSL_ENTER("wolfSSL_ED25519_verify");
+
+ if (pub == NULL || pubSz != ED25519_PUB_KEY_SIZE ||
+ msg == NULL || sig == NULL || sigSz != ED25519_SIG_SIZE) {
+ WOLFSSL_MSG("Bad arguments");
+ return WOLFSSL_FAILURE;
+ }
+
+ /* import key */
+ if (wc_ed25519_init(&key) != MP_OKAY) {
+ WOLFSSL_MSG("wc_curve25519_init failed");
+ return ret;
+ }
+ if (wc_ed25519_import_public(pub, pubSz, &key) != MP_OKAY){
+ WOLFSSL_MSG("wc_ed25519_import_public failed");
+ wc_ed25519_free(&key);
+ return ret;
+ }
+
+ if ((ret = wc_ed25519_verify_msg((byte*)sig, sigSz, msg, msgSz,
+ &check, &key)) != MP_OKAY) {
+ WOLFSSL_MSG("wc_ed25519_verify_msg failed");
+ }
+ else if (!check)
+ WOLFSSL_MSG("wc_ed25519_verify_msg failed (signature invalid)");
+ else
+ ret = WOLFSSL_SUCCESS;
+
+ wc_ed25519_free(&key);
+
+ return ret;
+#endif /* WOLFSSL_KEY_GEN */
+}
+
+#endif /* OPENSSL_EXTRA && HAVE_ED25519 */
+
+#ifdef WOLFSSL_JNI
+
+int wolfSSL_set_jobject(WOLFSSL* ssl, void* objPtr)
+{
+ WOLFSSL_ENTER("wolfSSL_set_jobject");
+ if (ssl != NULL)
+ {
+ ssl->jObjectRef = objPtr;
+ return WOLFSSL_SUCCESS;
+ }
+ return WOLFSSL_FAILURE;
+}
+
+void* wolfSSL_get_jobject(WOLFSSL* ssl)
+{
+ WOLFSSL_ENTER("wolfSSL_get_jobject");
+ if (ssl != NULL)
+ return ssl->jObjectRef;
+ return NULL;
+}
+
+#endif /* WOLFSSL_JNI */
+
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+int wolfSSL_CTX_AsyncPoll(WOLFSSL_CTX* ctx, WOLF_EVENT** events, int maxEvents,
+ WOLF_EVENT_FLAG flags, int* eventCount)
+{
+ if (ctx == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ return wolfAsync_EventQueuePoll(&ctx->event_queue, NULL,
+ events, maxEvents, flags, eventCount);
+}
+
+int wolfSSL_AsyncPoll(WOLFSSL* ssl, WOLF_EVENT_FLAG flags)
+{
+ int ret, eventCount = 0;
+ WOLF_EVENT* events[1];
+
+ if (ssl == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ ret = wolfAsync_EventQueuePoll(&ssl->ctx->event_queue, ssl,
+ events, sizeof(events)/sizeof(events), flags, &eventCount);
+ if (ret == 0) {
+ ret = eventCount;
+ }
+
+ return ret;
+}
+
+#endif /* WOLFSSL_ASYNC_CRYPT */
+
+#ifdef OPENSSL_EXTRA
+unsigned long wolfSSL_ERR_peek_error_line_data(const char **file, int *line,
+ const char **data, int *flags)
+{
+ WOLFSSL_ENTER("wolfSSL_ERR_peek_error_line_data");
+
+ (void)line;
+ (void)file;
+
+ /* No data or flags stored - error display only in Nginx. */
+ if (data != NULL) {
+ *data = "";
+ }
+ if (flags != NULL) {
+ *flags = 0;
+ }
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || \
+ defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_MYSQL_COMPATIBLE)
+ {
+ int ret = 0;
+
+ while (1) {
+ if ((ret = wc_PeekErrorNode(-1, file, NULL, line)) < 0) {
+ WOLFSSL_MSG("Issue peeking at error node in queue");
+ return 0;
+ }
+ ret = -ret;
+
+ if (ret == ASN_NO_PEM_HEADER)
+ return (ERR_LIB_PEM << 24) | PEM_R_NO_START_LINE;
+ if (ret != WANT_READ && ret != WANT_WRITE &&
+ ret != ZERO_RETURN && ret != WOLFSSL_ERROR_ZERO_RETURN &&
+ ret != SOCKET_PEER_CLOSED_E && ret != SOCKET_ERROR_E)
+ break;
+
+ wc_RemoveErrorNode(-1);
+ }
+
+ return (unsigned long)ret;
+ }
+#else
+ return (unsigned long)(0 - NOT_COMPILED_IN);
+#endif
+}
+#endif
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+
+#ifndef NO_WOLFSSL_STUB
+WOLF_STACK_OF(WOLFSSL_CIPHER) *wolfSSL_get_ciphers_compat(const WOLFSSL *ssl)
+{
+ (void)ssl;
+ WOLFSSL_STUB("wolfSSL_get_ciphers_compat");
+ return NULL;
+}
+#endif
+
+#ifndef NO_WOLFSSL_STUB
+void wolfSSL_OPENSSL_config(char *config_name)
+{
+ (void)config_name;
+ WOLFSSL_STUB("OPENSSL_config");
+}
+#endif
+#endif
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) \
+ || defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY)
+int wolfSSL_X509_get_ex_new_index(int idx, void *arg, void *a, void *b, void *c)
+{
+ static int x509_idx = 0;
+
+ WOLFSSL_ENTER("wolfSSL_X509_get_ex_new_index");
+ (void)idx;
+ (void)arg;
+ (void)a;
+ (void)b;
+ (void)c;
+
+ return x509_idx++;
+}
+
+void *wolfSSL_X509_get_ex_data(X509 *x509, int idx)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_get_ex_data");
+ #ifdef HAVE_EX_DATA
+ if (x509 != NULL && idx < MAX_EX_DATA && idx >= 0) {
+ return x509->ex_data[idx];
+ }
+ #else
+ (void)x509;
+ (void)idx;
+ #endif
+ return NULL;
+}
+int wolfSSL_X509_set_ex_data(X509 *x509, int idx, void *data)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_set_ex_data");
+ #ifdef HAVE_EX_DATA
+ if (x509 != NULL && idx < MAX_EX_DATA)
+ {
+ x509->ex_data[idx] = data;
+ return WOLFSSL_SUCCESS;
+ }
+ #else
+ (void)x509;
+ (void)idx;
+ (void)data;
+ #endif
+ return WOLFSSL_FAILURE;
+}
+int wolfSSL_X509_NAME_digest(const WOLFSSL_X509_NAME *name,
+ const WOLFSSL_EVP_MD *type, unsigned char *md, unsigned int *len)
+{
+ WOLFSSL_ENTER("wolfSSL_X509_NAME_digest");
+
+ if (name == NULL || type == NULL)
+ return WOLFSSL_FAILURE;
+
+#ifndef NO_FILESYSTEM
+ return wolfSSL_EVP_Digest((unsigned char*)name->fullName.fullName,
+ name->fullName.fullNameLen, md, len, type, NULL);
+#else
+ (void)md;
+ (void)len;
+ return NOT_COMPILED_IN;
+#endif
+}
+
+long wolfSSL_SSL_CTX_get_timeout(const WOLFSSL_CTX *ctx)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_CTX_get_timeout");
+
+ if (ctx == NULL)
+ return 0;
+
+ return ctx->timeout;
+}
+
+#ifdef HAVE_ECC
+int wolfSSL_SSL_CTX_set_tmp_ecdh(WOLFSSL_CTX *ctx, WOLFSSL_EC_KEY *ecdh)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_CTX_set_tmp_ecdh");
+
+ if (ctx == NULL || ecdh == NULL)
+ return BAD_FUNC_ARG;
+
+ ctx->ecdhCurveOID = ecdh->group->curve_oid;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+/* Assumes that the session passed in is from the cache. */
+int wolfSSL_SSL_CTX_remove_session(WOLFSSL_CTX *ctx, WOLFSSL_SESSION *s)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_CTX_remove_session");
+
+ if (ctx == NULL || s == NULL)
+ return BAD_FUNC_ARG;
+
+#ifdef HAVE_EXT_CACHE
+ if (!ctx->internalCacheOff)
+#endif
+ {
+ /* Don't remove session just timeout session. */
+ s->timeout = 0;
+ }
+
+#ifdef HAVE_EXT_CACHE
+ if (ctx->rem_sess_cb != NULL)
+ ctx->rem_sess_cb(ctx, s);
+#endif
+
+ return 0;
+}
+
+BIO *wolfSSL_SSL_get_rbio(const WOLFSSL *s)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_get_rbio");
+ (void)s;
+ /* Nginx sets the buffer size if the read BIO is different to write BIO.
+ * The setting buffer size doesn't do anything so return NULL for both.
+ */
+ return NULL;
+}
+BIO *wolfSSL_SSL_get_wbio(const WOLFSSL *s)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_get_wbio");
+ (void)s;
+ /* Nginx sets the buffer size if the read BIO is different to write BIO.
+ * The setting buffer size doesn't do anything so return NULL for both.
+ */
+ return NULL;
+}
+
+int wolfSSL_SSL_do_handshake(WOLFSSL *s)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_do_handshake");
+
+ if (s == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (s->options.side == WOLFSSL_CLIENT_END) {
+ #ifndef NO_WOLFSSL_CLIENT
+ return wolfSSL_connect(s);
+ #else
+ WOLFSSL_MSG("Client not compiled in");
+ return WOLFSSL_FAILURE;
+ #endif
+ }
+
+#ifndef NO_WOLFSSL_SERVER
+ return wolfSSL_accept(s);
+#else
+ WOLFSSL_MSG("Server not compiled in");
+ return WOLFSSL_FAILURE;
+#endif
+}
+
+int wolfSSL_SSL_in_init(WOLFSSL *s)
+{
+ WOLFSSL_ENTER("wolfSSL_SSL_in_init");
+
+ if (s == NULL)
+ return WOLFSSL_FAILURE;
+
+ if (s->options.side == WOLFSSL_CLIENT_END)
+ return s->options.connectState < SECOND_REPLY_DONE;
+ return s->options.acceptState < ACCEPT_THIRD_REPLY_DONE;
+}
+
+#ifndef NO_SESSION_CACHE
+
+WOLFSSL_SESSION *wolfSSL_SSL_get0_session(const WOLFSSL *ssl)
+{
+ WOLFSSL_SESSION *session;
+
+ WOLFSSL_ENTER("wolfSSL_SSL_get0_session");
+
+ if (ssl == NULL) {
+ return NULL;
+ }
+
+ session = wolfSSL_get_session((WOLFSSL*)ssl);
+
+#ifdef HAVE_EXT_CACHE
+ ((WOLFSSL*)ssl)->extSession = session;
+#endif
+
+ return session;
+}
+
+#endif /* NO_SESSION_CACHE */
+
+int wolfSSL_X509_check_host(X509 *x, const char *chk, size_t chklen,
+ unsigned int flags, char **peername)
+{
+ int ret;
+ DecodedCert dCert;
+
+ WOLFSSL_ENTER("wolfSSL_X509_check_host");
+
+ /* flags and peername not needed for Nginx. */
+ (void)flags;
+ (void)peername;
+
+ if (flags == WOLFSSL_NO_WILDCARDS) {
+ WOLFSSL_MSG("X509_CHECK_FLAG_NO_WILDCARDS not yet implemented");
+ return WOLFSSL_FAILURE;
+ }
+
+ InitDecodedCert(&dCert, x->derCert->buffer, x->derCert->length, NULL);
+ ret = ParseCertRelative(&dCert, CERT_TYPE, 0, NULL);
+ if (ret != 0)
+ return WOLFSSL_FAILURE;
+
+ ret = CheckHostName(&dCert, (char *)chk, chklen);
+ FreeDecodedCert(&dCert);
+ if (ret != 0)
+ return WOLFSSL_FAILURE;
+ return WOLFSSL_SUCCESS;
+}
+
+int wolfSSL_i2a_ASN1_INTEGER(BIO *bp, const WOLFSSL_ASN1_INTEGER *a)
+{
+ static char num[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+ int i;
+ word32 j;
+ word32 len = 0;
+
+ WOLFSSL_ENTER("wolfSSL_i2a_ASN1_INTEGER");
+
+ if (bp == NULL || a == NULL)
+ return WOLFSSL_FAILURE;
+
+ /* Skip ASN.1 INTEGER (type) byte. */
+ i = 1;
+ /* When indefinte length, can't determine length with data available. */
+ if (a->data[i] == 0x80)
+ return 0;
+ /* One length byte if less than 0x80. */
+ if (a->data[i] < 0x80)
+ len = a->data[i++];
+ /* Multiple length byte if greater than 0x80. */
+ else if (a->data[i] > 0x80) {
+ switch (a->data[i++] - 0x80) {
+ case 4:
+ len |= a->data[i++] << 24;
+ FALL_THROUGH;
+ case 3:
+ len |= a->data[i++] << 16;
+ FALL_THROUGH;
+ case 2:
+ len |= a->data[i++] << 8;
+ FALL_THROUGH;
+ case 1:
+ len |= a->data[i++];
+ break;
+ default:
+ /* Not supporting greater than 4 bytes of length. */
+ return 0;
+ }
+ }
+
+ /* Zero length integer is the value zero. */
+ if (len == 0) {
+ wolfSSL_BIO_write(bp, "00", 2);
+ return 2;
+ }
+
+ /* Don't do negative - just write out every byte. */
+ for (j = 0; j < len; i++,j++) {
+ wolfSSL_BIO_write(bp, &num[a->data[i] >> 4], 1);
+ wolfSSL_BIO_write(bp, &num[a->data[i] & 0xf], 1);
+ }
+
+ /* Two nibbles written for each byte. */
+ return len * 2;
+}
+
+
+#if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SERVER)
+/* Expected return values from implementations of OpenSSL ticket key callback.
+ */
+#define TICKET_KEY_CB_RET_FAILURE -1
+#define TICKET_KEY_CB_RET_NOT_FOUND 0
+#define TICKET_KEY_CB_RET_OK 1
+#define TICKET_KEY_CB_RET_RENEW 2
+
+/* The ticket key callback as used in OpenSSL is stored here. */
+static int (*ticketKeyCb)(WOLFSSL *ssl, unsigned char *name, unsigned char *iv,
+ WOLFSSL_EVP_CIPHER_CTX *ectx, WOLFSSL_HMAC_CTX *hctx, int enc) = NULL;
+
+/* Implementation of session ticket encryption/decryption using OpenSSL
+ * callback to initialize the cipher and HMAC.
+ *
+ * ssl The SSL/TLS object.
+ * keyName The key name - used to identify the key to be used.
+ * iv The IV to use.
+ * mac The MAC of the encrypted data.
+ * enc Encrypt ticket.
+ * encTicket The ticket data.
+ * encTicketLen The length of the ticket data.
+ * encLen The encrypted/decrypted ticket length - output length.
+ * ctx Ignored. Application specific data.
+ * returns WOLFSSL_TICKET_RET_OK to indicate success,
+ * WOLFSSL_TICKET_RET_CREATE if a new ticket is required and
+ * WOLFSSL_TICKET_RET_FATAL on error.
+ */
+static int wolfSSL_TicketKeyCb(WOLFSSL* ssl,
+ unsigned char keyName[WOLFSSL_TICKET_NAME_SZ],
+ unsigned char iv[WOLFSSL_TICKET_IV_SZ],
+ unsigned char mac[WOLFSSL_TICKET_MAC_SZ],
+ int enc, unsigned char* encTicket,
+ int encTicketLen, int* encLen, void* ctx)
+{
+ byte digest[WC_MAX_DIGEST_SIZE];
+ WOLFSSL_EVP_CIPHER_CTX evpCtx;
+ WOLFSSL_HMAC_CTX hmacCtx;
+ unsigned int mdSz = 0;
+ int len = 0;
+ int ret = WOLFSSL_TICKET_RET_FATAL;
+ int res;
+
+ (void)ctx;
+
+ if (ticketKeyCb == NULL)
+ return WOLFSSL_TICKET_RET_FATAL;
+
+ wolfSSL_EVP_CIPHER_CTX_init(&evpCtx);
+ /* Initialize the cipher and HMAC. */
+ res = ticketKeyCb(ssl, keyName, iv, &evpCtx, &hmacCtx, enc);
+ if (res != TICKET_KEY_CB_RET_OK && res != TICKET_KEY_CB_RET_RENEW)
+ return WOLFSSL_TICKET_RET_FATAL;
+
+ if (enc)
+ {
+ /* Encrypt in place. */
+ if (!wolfSSL_EVP_CipherUpdate(&evpCtx, encTicket, &len,
+ encTicket, encTicketLen))
+ goto end;
+ encTicketLen = len;
+ if (!wolfSSL_EVP_EncryptFinal(&evpCtx, &encTicket[encTicketLen], &len))
+ goto end;
+ /* Total length of encrypted data. */
+ encTicketLen += len;
+ *encLen = encTicketLen;
+
+ /* HMAC the encrypted data into the parameter 'mac'. */
+ if (!wolfSSL_HMAC_Update(&hmacCtx, encTicket, encTicketLen))
+ goto end;
+#ifdef WOLFSSL_SHA512
+ /* Check for SHA512, which would overrun the mac buffer */
+ if (hmacCtx.hmac.macType == WC_SHA512)
+ goto end;
+#endif
+ if (!wolfSSL_HMAC_Final(&hmacCtx, mac, &mdSz))
+ goto end;
+ }
+ else
+ {
+ /* HMAC the encrypted data and compare it to the passed in data. */
+ if (!wolfSSL_HMAC_Update(&hmacCtx, encTicket, encTicketLen))
+ goto end;
+ if (!wolfSSL_HMAC_Final(&hmacCtx, digest, &mdSz))
+ goto end;
+ if (XMEMCMP(mac, digest, mdSz) != 0)
+ goto end;
+
+ /* Decrypt the ticket data in place. */
+ if (!wolfSSL_EVP_CipherUpdate(&evpCtx, encTicket, &len,
+ encTicket, encTicketLen))
+ goto end;
+ encTicketLen = len;
+ if (!wolfSSL_EVP_DecryptFinal(&evpCtx, &encTicket[encTicketLen], &len))
+ goto end;
+ /* Total length of decrypted data. */
+ *encLen = encTicketLen + len;
+ }
+
+ ret = (res == TICKET_KEY_CB_RET_RENEW) ? WOLFSSL_TICKET_RET_CREATE :
+ WOLFSSL_TICKET_RET_OK;
+end:
+ return ret;
+}
+
+/* Set the callback to use when encrypting/decrypting tickets.
+ *
+ * ctx The SSL/TLS context object.
+ * cb The OpenSSL session ticket callback.
+ * returns WOLFSSL_SUCCESS to indicate success.
+ */
+int wolfSSL_CTX_set_tlsext_ticket_key_cb(WOLFSSL_CTX *ctx, int (*cb)(
+ WOLFSSL *ssl, unsigned char *name, unsigned char *iv,
+ WOLFSSL_EVP_CIPHER_CTX *ectx, WOLFSSL_HMAC_CTX *hctx, int enc))
+{
+ /* Store callback in a global. */
+ ticketKeyCb = cb;
+ /* Set the ticket encryption callback to be a wrapper around OpenSSL
+ * callback.
+ */
+ ctx->ticketEncCb = wolfSSL_TicketKeyCb;
+
+ return WOLFSSL_SUCCESS;
+}
+#endif /* HAVE_SESSION_TICKET */
+
+#endif /* OPENSSL_ALL || WOLFSSL_NGINX || WOLFSSL_HAPROXY ||
+ OPENSSL_EXTRA || HAVE_LIGHTY */
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+#ifdef HAVE_OCSP
+/* Not an OpenSSL API. */
+int wolfSSL_get_ocsp_response(WOLFSSL* ssl, byte** response)
+{
+ *response = ssl->ocspResp;
+ return ssl->ocspRespSz;
+}
+
+/* Not an OpenSSL API. */
+char* wolfSSL_get_ocsp_url(WOLFSSL* ssl)
+{
+ return ssl->url;
+}
+
+/* Not an OpenSSL API. */
+int wolfSSL_set_ocsp_url(WOLFSSL* ssl, char* url)
+{
+ if (ssl == NULL)
+ return WOLFSSL_FAILURE;
+
+ ssl->url = url;
+ return WOLFSSL_SUCCESS;
+}
+#endif /* OCSP */
+#endif /* OPENSSL_ALL / WOLFSSL_NGINX / WOLFSSL_HAPROXY */
+
+#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \
+ defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
+int wolfSSL_CTX_get_extra_chain_certs(WOLFSSL_CTX* ctx, WOLF_STACK_OF(X509)** chain)
+{
+ word32 idx;
+ word32 length;
+ WOLFSSL_STACK* node;
+ WOLFSSL_STACK* last = NULL;
+
+ if (ctx == NULL || chain == NULL) {
+ chain = NULL;
+ return WOLFSSL_FAILURE;
+ }
+ if (ctx->x509Chain != NULL) {
+ *chain = ctx->x509Chain;
+ return WOLFSSL_SUCCESS;
+ }
+
+ /* If there are no chains then success! */
+ *chain = NULL;
+ if (ctx->certChain == NULL || ctx->certChain->length == 0) {
+ return WOLFSSL_SUCCESS;
+ }
+
+ /* Create a new stack of WOLFSSL_X509 object from chain buffer. */
+ for (idx = 0; idx < ctx->certChain->length; ) {
+ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
+ DYNAMIC_TYPE_OPENSSL);
+ if (node == NULL)
+ return WOLFSSL_FAILURE;
+ node->next = NULL;
+
+ /* 3 byte length | X509 DER data */
+ ato24(ctx->certChain->buffer + idx, &length);
+ idx += 3;
+
+ /* Create a new X509 from DER encoded data. */
+ node->data.x509 = wolfSSL_X509_d2i(NULL, ctx->certChain->buffer + idx,
+ length);
+ if (node->data.x509 == NULL) {
+ XFREE(node, NULL, DYNAMIC_TYPE_OPENSSL);
+ /* Return as much of the chain as we created. */
+ ctx->x509Chain = *chain;
+ return WOLFSSL_FAILURE;
+ }
+ idx += length;
+
+ /* Add object to the end of the stack. */
+ if (last == NULL) {
+ node->num = 1;
+ *chain = node;
+ }
+ else {
+ (*chain)->num++;
+ last->next = node;
+ }
+
+ last = node;
+ }
+
+ ctx->x509Chain = *chain;
+
+ return WOLFSSL_SUCCESS;
+}
+
+int wolfSSL_CTX_set_tlsext_status_cb(WOLFSSL_CTX* ctx,
+ int(*cb)(WOLFSSL*, void*))
+{
+ if (ctx == NULL || ctx->cm == NULL)
+ return WOLFSSL_FAILURE;
+
+#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ /* Ensure stapling is on for callback to be used. */
+ wolfSSL_CTX_EnableOCSPStapling(ctx);
+
+ if (ctx->cm->ocsp_stapling == NULL)
+ return WOLFSSL_FAILURE;
+
+ ctx->cm->ocsp_stapling->statusCb = cb;
+#else
+ (void)cb;
+#endif
+
+ return WOLFSSL_SUCCESS;
+}
+
+int wolfSSL_X509_STORE_CTX_get1_issuer(WOLFSSL_X509 **issuer,
+ WOLFSSL_X509_STORE_CTX *ctx, WOLFSSL_X509 *x)
+{
+ WOLFSSL_STACK* node;
+ Signer* ca = NULL;
+#ifdef WOLFSSL_SMALL_STACK
+ DecodedCert* cert = NULL;
+#else
+ DecodedCert cert[1];
+#endif
+
+ if (issuer == NULL || ctx == NULL || x == NULL)
+ return WOLFSSL_FATAL_ERROR;
+
+ if (ctx->chain != NULL) {
+ for (node = ctx->chain; node != NULL; node = node->next) {
+ if (wolfSSL_X509_check_issued(node->data.x509, x) == X509_V_OK) {
+ *issuer = x;
+ return WOLFSSL_SUCCESS;
+ }
+ }
+ }
+
+
+#ifdef WOLFSSL_SMALL_STACK
+ cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
+ if (cert == NULL)
+ return WOLFSSL_FAILURE;
+#endif
+
+ /* Use existing CA retrieval APIs that use DecodedCert. */
+ InitDecodedCert(cert, x->derCert->buffer, x->derCert->length, NULL);
+ if (ParseCertRelative(cert, CERT_TYPE, 0, NULL) == 0) {
+ #ifndef NO_SKID
+ if (cert->extAuthKeyIdSet)
+ ca = GetCA(ctx->store->cm, cert->extAuthKeyId);
+ if (ca == NULL)
+ ca = GetCAByName(ctx->store->cm, cert->issuerHash);
+ #else /* NO_SKID */
+ ca = GetCA(ctx->store->cm, cert->issuerHash);
+ #endif /* NO SKID */
+ }
+ FreeDecodedCert(cert);
+#ifdef WOLFSSL_SMALL_STACK
+ XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
+#endif
+
+ if (ca == NULL)
+ return WOLFSSL_FAILURE;
+
+ *issuer = (WOLFSSL_X509 *)XMALLOC(sizeof(WOLFSSL_X509), 0,
+ DYNAMIC_TYPE_OPENSSL);
+ if (*issuer == NULL)
+ return WOLFSSL_FAILURE;
+
+ /* Create an empty certificate as CA doesn't have a certificate. */
+ XMEMSET(*issuer, 0, sizeof(WOLFSSL_X509));
+ (*issuer)->dynamicMemory = 1;
+#ifdef WOLFSSL_SIGNER_DER_CERT
+ if (AllocDer(&(*issuer)->derCert, ca->derCert->length, ca->derCert->type,
+ NULL) == 0) {
+ XMEMCPY((*issuer)->derCert->buffer, ca->derCert->buffer,
+ ca->derCert->length);
+ }
+ else {
+ XFREE(*issuer, 0, DYNAMIC_TYPE_OPENSSL);
+ return WOLFSSL_FAILURE;
+ }
+#endif
+
+ /* Result is ignored when passed to wolfSSL_OCSP_cert_to_id(). */
+
+ return WOLFSSL_SUCCESS;
+}
+
+void wolfSSL_X509_email_free(WOLF_STACK_OF(WOLFSSL_STRING) *sk)
+{
+ WOLFSSL_STACK *curr;
+
+ while (sk != NULL) {
+ curr = sk;
+ sk = sk->next;
+
+ XFREE(curr, NULL, DYNAMIC_TYPE_OPENSSL);
+ }
+}
+
+WOLF_STACK_OF(WOLFSSL_STRING) *wolfSSL_X509_get1_ocsp(WOLFSSL_X509 *x)
+{
+ WOLFSSL_STACK* list = NULL;
+ char* url;
+
+ if (x->authInfoSz == 0)
+ return NULL;
+
+ list = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK) + x->authInfoSz + 1,
+ NULL, DYNAMIC_TYPE_OPENSSL);
+ if (list == NULL)
+ return NULL;
+
+ url = (char*)list;
+ url += sizeof(WOLFSSL_STACK);
+ XMEMCPY(url, x->authInfo, x->authInfoSz);
+ url[x->authInfoSz] = '\0';
+
+ list->data.string = url;
+ list->next = NULL;
+
+ return list;
+}
+
+int wolfSSL_X509_check_issued(WOLFSSL_X509 *issuer, WOLFSSL_X509 *subject)
+{
+ WOLFSSL_X509_NAME *issuerName = wolfSSL_X509_get_issuer_name(subject);
+ WOLFSSL_X509_NAME *subjectName = wolfSSL_X509_get_subject_name(issuer);
+
+ if (issuerName == NULL || subjectName == NULL)
+ return X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
+
+ /* Literal matching of encoded names and key ids. */
+ if (issuerName->sz != subjectName->sz ||
+ XMEMCMP(issuerName->name, subjectName->name, subjectName->sz) != 0) {
+ return X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
+ }
+
+ if (subject->authKeyId != NULL && issuer->subjKeyId != NULL) {
+ if (subject->authKeyIdSz != issuer->subjKeyIdSz ||
+ XMEMCMP(subject->authKeyId, issuer->subjKeyId,
+ issuer->subjKeyIdSz) != 0) {
+ return X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
+ }
+ }
+
+ return X509_V_OK;
+}
+
+WOLFSSL_X509* wolfSSL_X509_dup(WOLFSSL_X509 *x)
+{
+ return wolfSSL_X509_d2i(NULL, x->derCert->buffer, x->derCert->length);
+}
+
+char* wolfSSL_sk_WOLFSSL_STRING_value(WOLF_STACK_OF(WOLFSSL_STRING)* strings,
+ int idx)
+{
+ for (; idx > 0 && strings != NULL; idx--)
+ strings = strings->next;
+ if (strings == NULL)
+ return NULL;
+ return strings->data.string;
+}
+#endif /* WOLFSSL_NGINX || WOLFSSL_HAPROXY || OPENSSL_EXTRA || OPENSSL_ALL */
+
+#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+#ifdef HAVE_ALPN
+void wolfSSL_get0_alpn_selected(const WOLFSSL *ssl, const unsigned char **data,
+ unsigned int *len)
+{
+ word16 nameLen;
+
+ if (ssl != NULL && data != NULL && len != NULL) {
+ TLSX_ALPN_GetRequest(ssl->extensions, (void **)data, &nameLen);
+ *len = nameLen;
+ }
+}
+
+int wolfSSL_select_next_proto(unsigned char **out, unsigned char *outLen,
+ const unsigned char *in, unsigned int inLen,
+ const unsigned char *clientNames,
+ unsigned int clientLen)
+{
+ unsigned int i, j;
+ byte lenIn, lenClient;
+
+ if (out == NULL || outLen == NULL || in == NULL || clientNames == NULL)
+ return OPENSSL_NPN_UNSUPPORTED;
+
+ for (i = 0; i < inLen; i += lenIn) {
+ lenIn = in[i++];
+ for (j = 0; j < clientLen; j += lenClient) {
+ lenClient = clientNames[j++];
+
+ if (lenIn != lenClient)
+ continue;
+
+ if (XMEMCMP(in + i, clientNames + j, lenIn) == 0) {
+ *out = (unsigned char *)(in + i);
+ *outLen = lenIn;
+ return OPENSSL_NPN_NEGOTIATED;
+ }
+ }
+ }
+
+ *out = (unsigned char *)clientNames + 1;
+ *outLen = clientNames[0];
+ return OPENSSL_NPN_NO_OVERLAP;
+}
+
+void wolfSSL_CTX_set_alpn_select_cb(WOLFSSL_CTX *ctx,
+ int (*cb) (WOLFSSL *ssl,
+ const unsigned char **out,
+ unsigned char *outlen,
+ const unsigned char *in,
+ unsigned int inlen,
+ void *arg), void *arg)
+{
+ if (ctx != NULL) {
+ ctx->alpnSelect = cb;
+ ctx->alpnSelectArg = arg;
+ }
+}
+
+void wolfSSL_CTX_set_next_protos_advertised_cb(WOLFSSL_CTX *s,
+ int (*cb) (WOLFSSL *ssl,
+ const unsigned char
+ **out,
+ unsigned int *outlen,
+ void *arg), void *arg)
+{
+ (void)s;
+ (void)cb;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_CTX_set_next_protos_advertised_cb");
+}
+
+void wolfSSL_CTX_set_next_proto_select_cb(WOLFSSL_CTX *s,
+ int (*cb) (WOLFSSL *ssl,
+ unsigned char **out,
+ unsigned char *outlen,
+ const unsigned char *in,
+ unsigned int inlen,
+ void *arg), void *arg)
+{
+ (void)s;
+ (void)cb;
+ (void)arg;
+ WOLFSSL_STUB("wolfSSL_CTX_set_next_proto_select_cb");
+}
+
+void wolfSSL_get0_next_proto_negotiated(const WOLFSSL *s, const unsigned char **data,
+ unsigned *len)
+{
+ (void)s;
+ (void)data;
+ (void)len;
+ WOLFSSL_STUB("wolfSSL_get0_next_proto_negotiated");
+}
+#endif /* HAVE_ALPN */
+
+#endif /* WOLFSSL_NGINX / WOLFSSL_HAPROXY */
+
+#if defined(OPENSSL_EXTRA) && defined(HAVE_ECC)
+WOLFSSL_API int wolfSSL_CTX_set1_curves_list(WOLFSSL_CTX* ctx, char* names)
+{
+ int idx, start = 0, len;
+ int curve;
+ char name[MAX_CURVE_NAME_SZ];
+
+ /* Disable all curves so that only the ones the user wants are enabled. */
+ ctx->disabledCurves = (word32)-1;
+ for (idx = 1; names[idx-1] != '\0'; idx++) {
+ if (names[idx] != ':' && names[idx] != '\0')
+ continue;
+
+ len = idx - 1 - start;
+ if (len > MAX_CURVE_NAME_SZ - 1)
+ return WOLFSSL_FAILURE;
+
+ XMEMCPY(name, names + start, len);
+ name[len] = 0;
+
+ if ((XSTRNCMP(name, "prime256v1", len) == 0) ||
+ (XSTRNCMP(name, "secp256r1", len) == 0) ||
+ (XSTRNCMP(name, "P-256", len) == 0)) {
+ curve = WOLFSSL_ECC_SECP256R1;
+ }
+ else if ((XSTRNCMP(name, "secp384r1", len) == 0) ||
+ (XSTRNCMP(name, "P-384", len) == 0)) {
+ curve = WOLFSSL_ECC_SECP384R1;
+ }
+ else if ((XSTRNCMP(name, "secp521r1", len) == 0) ||
+ (XSTRNCMP(name, "P-521", len) == 0)) {
+ curve = WOLFSSL_ECC_SECP521R1;
+ }
+ else if (XSTRNCMP(name, "X25519", len) == 0)
+ curve = WOLFSSL_ECC_X25519;
+ else if ((curve = wc_ecc_get_curve_id_from_name(name)) < 0)
+ return WOLFSSL_FAILURE;
+
+ /* Switch the bit to off and therefore is enabled. */
+ ctx->disabledCurves &= ~(1 << curve);
+ start = idx + 1;
+ }
+
+ return WOLFSSL_SUCCESS;
+}
+#endif
+
+#ifdef OPENSSL_EXTRA
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_CTX_set_msg_callback(WOLFSSL_CTX *ctx, SSL_Msg_Cb cb)
+{
+ WOLFSSL_STUB("SSL_CTX_set_msg_callback");
+ (void)ctx;
+ (void)cb;
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+
+/* Sets a callback for when sending and receiving protocol messages.
+ *
+ * ssl WOLFSSL structure to set callback in
+ * cb callback to use
+ *
+ * return SSL_SUCCESS on success and SSL_FAILURE with error case
+ */
+int wolfSSL_set_msg_callback(WOLFSSL *ssl, SSL_Msg_Cb cb)
+{
+ WOLFSSL_ENTER("wolfSSL_set_msg_callback");
+
+ if (ssl == NULL) {
+ return SSL_FAILURE;
+ }
+
+ if (cb != NULL) {
+ ssl->toInfoOn = 1;
+ }
+
+ ssl->protoMsgCb = cb;
+ return SSL_SUCCESS;
+}
+#ifndef NO_WOLFSSL_STUB
+int wolfSSL_CTX_set_msg_callback_arg(WOLFSSL_CTX *ctx, void* arg)
+{
+ WOLFSSL_STUB("SSL_CTX_set_msg_callback_arg");
+ (void)ctx;
+ (void)arg;
+ return WOLFSSL_FAILURE;
+}
+#endif
+
+int wolfSSL_set_msg_callback_arg(WOLFSSL *ssl, void* arg)
+{
+ WOLFSSL_ENTER("wolfSSL_set_msg_callback_arg");
+ ssl->protoMsgCtx = arg;
+ return WOLFSSL_SUCCESS;
+}
+
+void *wolfSSL_OPENSSL_memdup(const void *data, size_t siz, const char* file, int line)
+{
+ void *ret;
+ (void)file;
+ (void)line;
+
+ if (data == NULL || siz >= INT_MAX)
+ return NULL;
+
+ ret = OPENSSL_malloc(siz);
+ if (ret == NULL) {
+ return NULL;
+ }
+ return XMEMCPY(ret, data, siz);
+}
+
+int wolfSSL_CTX_set_alpn_protos(WOLFSSL_CTX *ctx, const unsigned char *p,
+ unsigned int p_len)
+{
+ WOLFSSL_ENTER("wolfSSL_CTX_set_alpn_protos");
+ if(ctx == NULL)
+ return BAD_FUNC_ARG;
+ if((void *)ctx->alpn_cli_protos != NULL)
+ wolfSSL_OPENSSL_free((void *)ctx->alpn_cli_protos);
+ ctx->alpn_cli_protos =
+ (const unsigned char *)wolfSSL_OPENSSL_memdup(p, p_len, NULL, 0);
+ if (ctx->alpn_cli_protos == NULL) {
+ return SSL_FAILURE;
+ }
+ ctx->alpn_cli_protos_len = p_len;
+
+ return SSL_SUCCESS;
+}
+
+#endif
+
+#endif /* WOLFCRYPT_ONLY */
+
+#if defined(OPENSSL_EXTRA)
+int wolfSSL_X509_check_ca(WOLFSSL_X509 *x509)
+{
+ WOLFSSL_ENTER("X509_check_ca");
+
+ if (x509 == NULL)
+ return WOLFSSL_FAILURE;
+ if (x509->isCa)
+ return 1;
+ if (x509->extKeyUsageCrit)
+ return 4;
+
+ return 0;
+}
+
+
+const char *wolfSSL_ASN1_tag2str(int tag)
+{
+ static const char *const tag_label[31] = {
+ "EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", "NULL",
+ "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", "ENUMERATED",
+ "<ASN1 11>", "UTF8STRING", "<ASN1 13>", "<ASN1 14>", "<ASN1 15>",
+ "SEQUENCE", "SET", "NUMERICSTRING", "PRINTABLESTRING", "T61STRING",
+ "VIDEOTEXTSTRING", "IA5STRING", "UTCTIME", "GENERALIZEDTIME",
+ "GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING", "UNIVERSALSTRING",
+ "<ASN1 29>", "BMPSTRING"
+ };
+
+ if ((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED))
+ tag &= ~0x100;
+ if (tag < 0 || tag > 30)
+ return "(unknown)";
+ return tag_label[tag];
+}
+
+static int check_esc_char(char c, char *esc)
+{
+ char *ptr = NULL;
+
+ ptr = esc;
+ while(*ptr != 0){
+ if (c == *ptr)
+ return 1;
+ ptr++;
+ }
+ return 0;
+}
+
+int wolfSSL_ASN1_STRING_print_ex(WOLFSSL_BIO *out, WOLFSSL_ASN1_STRING *str,
+ unsigned long flags)
+{
+ size_t str_len = 0, type_len = 0;
+ unsigned char *typebuf = NULL;
+ const char *hash="#";
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_STRING_PRINT_ex");
+ if (out == NULL || str == NULL)
+ return WOLFSSL_FAILURE;
+
+ /* add ASN1 type tag */
+ if (flags & ASN1_STRFLGS_SHOW_TYPE){
+ const char *tag = wolfSSL_ASN1_tag2str(str->type);
+ /* colon len + tag len + null*/
+ type_len = XSTRLEN(tag) + 2;
+ typebuf = (unsigned char *)XMALLOC(type_len , NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ if (typebuf == NULL){
+ WOLFSSL_MSG("memory alloc failed.");
+ return WOLFSSL_FAILURE;
+ }
+ XMEMSET(typebuf, 0, type_len);
+ XSNPRINTF((char*)typebuf, (size_t)type_len , "%s:", tag);
+ type_len--;
+ }
+
+ /* dump hex */
+ if (flags & ASN1_STRFLGS_DUMP_ALL){
+ static const char hex_char[] = { '0', '1', '2', '3', '4', '5', '6',
+ '7','8', '9', 'A', 'B', 'C', 'D',
+ 'E', 'F' };
+ char hex_tmp[4];
+ char *str_ptr, *str_end;
+
+ if (type_len > 0){
+ if (wolfSSL_BIO_write(out, typebuf, (int)type_len) != (int)type_len){
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ str_len += type_len;
+ }
+ if (wolfSSL_BIO_write(out, hash, 1) != 1){
+ goto err_exit;
+ }
+ str_len++;
+ if (flags & ASN1_STRFLGS_DUMP_DER){
+ hex_tmp[0] = hex_char[str->type >> 4];
+ hex_tmp[1] = hex_char[str->type & 0xf];
+ hex_tmp[2] = hex_char[str->length >> 4];
+ hex_tmp[3] = hex_char[str->length & 0xf];
+ if (wolfSSL_BIO_write(out, hex_tmp, 4) != 4){
+ goto err_exit;
+ }
+ str_len += 4;
+ XMEMSET(hex_tmp, 0, 4);
+ }
+
+ str_ptr = str->data;
+ str_end = str->data + str->length;
+ while (str_ptr < str_end){
+ hex_tmp[0] = hex_char[*str_ptr >> 4];
+ hex_tmp[1] = hex_char[*str_ptr & 0xf];
+ if (wolfSSL_BIO_write(out, hex_tmp, 2) != 2){
+ goto err_exit;
+ }
+ str_ptr++;
+ str_len += 2;
+ }
+ if (type_len > 0)
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ return (int)str_len;
+ }
+
+ if (type_len > 0){
+ if (wolfSSL_BIO_write(out, typebuf, (int)type_len) != (int)type_len){
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+ }
+ str_len += type_len;
+ }
+
+ if (flags & ASN1_STRFLGS_ESC_2253){
+ char esc_ch[] = "+;<>\\";
+ char* esc_ptr = NULL;
+
+ esc_ptr = str->data;
+ while (*esc_ptr != 0){
+ if (check_esc_char(*esc_ptr, esc_ch)){
+ if (wolfSSL_BIO_write(out,"\\", 1) != 1)
+ goto err_exit;
+ str_len++;
+ }
+ if (wolfSSL_BIO_write(out, esc_ptr, 1) != 1)
+ goto err_exit;
+ str_len++;
+ esc_ptr++;
+ }
+ if (type_len > 0)
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return (int)str_len;
+ }
+
+ if (wolfSSL_BIO_write(out, str->data, str->length) != str->length){
+ goto err_exit;
+ }
+ str_len += str->length;
+ if (type_len > 0)
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+
+ return (int)str_len;
+
+err_exit:
+ if (type_len > 0)
+ XFREE(typebuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+ return WOLFSSL_FAILURE;
+}
+
+#ifndef NO_ASN_TIME
+WOLFSSL_ASN1_TIME *wolfSSL_ASN1_TIME_to_generalizedtime(WOLFSSL_ASN1_TIME *t,
+ WOLFSSL_ASN1_TIME **out)
+{
+ unsigned char time_type;
+ WOLFSSL_ASN1_TIME *ret = NULL;
+ unsigned char *data_ptr = NULL;
+
+ WOLFSSL_ENTER("wolfSSL_ASN1_TIME_to_generalizedtime");
+ if (t == NULL)
+ return NULL;
+
+ time_type = t->data[0];
+ if (time_type != ASN_UTC_TIME && time_type != ASN_GENERALIZED_TIME){
+ WOLFSSL_MSG("Invalid ASN_TIME type.");
+ return NULL;
+ }
+ if (out == NULL || *out == NULL){
+ ret = (WOLFSSL_ASN1_TIME*)XMALLOC(sizeof(WOLFSSL_ASN1_TIME), NULL,
+ DYNAMIC_TYPE_TMP_BUFFER);
+ if (ret == NULL){
+ WOLFSSL_MSG("memory alloc failed.");
+ return NULL;
+ }
+ XMEMSET(ret, 0, sizeof(WOLFSSL_ASN1_TIME));
+ } else
+ ret = *out;
+
+ if (time_type == ASN_GENERALIZED_TIME){
+ XMEMCPY(ret->data, t->data, ASN_GENERALIZED_TIME_SIZE);
+ return ret;
+ } else if (time_type == ASN_UTC_TIME){
+ ret->data[0] = ASN_GENERALIZED_TIME;
+ ret->data[1] = ASN_GENERALIZED_TIME_SIZE;
+ data_ptr = ret->data + 2;
+ if (t->data[2] >= '5')
+ XSNPRINTF((char*)data_ptr, ASN_UTC_TIME_SIZE + 2, "19%s", t->data + 2);
+ else
+ XSNPRINTF((char*)data_ptr, ASN_UTC_TIME_SIZE + 2, "20%s", t->data + 2);
+
+ return ret;
+ }
+
+ WOLFSSL_MSG("Invalid ASN_TIME value");
+ return NULL;
+}
+#endif /* !NO_ASN_TIME */
+
+
+#ifndef NO_ASN
+int wolfSSL_i2c_ASN1_INTEGER(WOLFSSL_ASN1_INTEGER *a, unsigned char **pp)
+{
+ unsigned char *pptr = NULL;
+ char pad = 0 ;
+ unsigned char pad_val = 0;
+ int ret_size = 0;
+ unsigned char data1 = 0;
+ unsigned char neg = 0;
+ int i = 0;
+
+ WOLFSSL_ENTER("wolfSSL_i2c_ASN1_INTEGER");
+ if (a == NULL)
+ return WOLFSSL_FAILURE;
+
+ ret_size = a->intData[1];
+ if (ret_size == 0)
+ ret_size = 1;
+ else{
+ ret_size = (int)a->intData[1];
+ neg = a->negative;
+ data1 = a->intData[2];
+ if (ret_size == 1 && data1 == 0)
+ neg = 0;
+ /* 0x80 or greater positive number in first byte */
+ if (!neg && (data1 > 127)){
+ pad = 1;
+ pad_val = 0;
+ } else if (neg){
+ /* negative number */
+ if (data1 > 128){
+ pad = 1;
+ pad_val = 0xff;
+ } else if (data1 == 128){
+ for (i = 3; i < a->intData[1] + 2; i++){
+ if (a->intData[i]){
+ pad = 1;
+ pad_val = 0xff;
+ break;
+ }
+ }
+ }
+ }
+ ret_size += (int)pad;
+ }
+ if (pp == NULL)
+ return ret_size;
+
+ pptr = *pp;
+ if (pad)
+ *(pptr++) = pad_val;
+ if (a->intData[1] == 0)
+ *(pptr++) = 0;
+ else if (!neg){
+ /* positive number */
+ for (i=0; i < a->intData[1]; i++){
+ *pptr = a->intData[i+2];
+ pptr++;
+ }
+ } else {
+ /* negative number */
+ int str_len = 0;
+
+ /* 0 padding from end of buffer */
+ str_len = (int)a->intData[1];
+ pptr += a->intData[1] - 1;
+ while (!a->intData[str_len + 2] && str_len > 1){
+ *(pptr--) = 0;
+ str_len--;
+ }
+ /* 2's complement next octet */
+ *(pptr--) = ((a->intData[str_len + 1]) ^ 0xff) + 1;
+ str_len--;
+ /* Complement any octets left */
+ while (str_len > 0){
+ *(pptr--) = a->intData[str_len + 1] ^ 0xff;
+ str_len--;
+ }
+ }
+ *pp += ret_size;
+ return ret_size;
+}
+#endif /* !NO_ASN */
+
+#endif /* OPENSSLEXTRA */
+