Xuyi Wang
/
wolfcrypt
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Diff: src/wc_port.c
- Revision:
- 0:1387ff3eed4a
diff -r 000000000000 -r 1387ff3eed4a src/wc_port.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/wc_port.c Wed Nov 20 13:28:01 2019 +0000
@@ -0,0 +1,1592 @@
+/* port.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 <wolfcrypt/settings.h>
+#include <wolfcrypt/types.h>
+#include <wolfcrypt/error-crypt.h>
+#include <wolfcrypt/logging.h>
+#include <wolfcrypt/wc_port.h>
+#ifdef HAVE_ECC
+ #include <wolfcrypt/ecc.h>
+#endif
+#ifdef WOLFSSL_ASYNC_CRYPT
+ #include <wolfcrypt/async.h>
+#endif
+
+/* IPP header files for library initialization */
+#ifdef HAVE_FAST_RSA
+ #include <ipp.h>
+ #include <ippcp.h>
+#endif
+
+#ifdef FREESCALE_LTC_TFM
+ #include <wolfcrypt/port/nxp/ksdk_port.h>
+#endif
+
+#if defined(WOLFSSL_ATMEL) || defined(WOLFSSL_ATECC508A)
+ #include <wolfcrypt/port/atmel/atmel.h>
+#endif
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+ #include <wolfssl/openssl/evp.h>
+#endif
+
+#if defined(USE_WOLFSSL_MEMORY) && defined(WOLFSSL_TRACK_MEMORY)
+ #include <wolfcrypt/memory.h>
+ #include <wolfcrypt/mem_track.h>
+#endif
+
+#if defined(WOLFSSL_IMX6_CAAM) || defined(WOLFSSL_IMX6_CAAM_RNG) || \
+ defined(WOLFSSL_IMX6_CAAM_BLOB)
+ #include <wolfcrypt/port/caam/wolfcaam.h>
+#endif
+
+#ifdef WOLF_CRYPTO_DEV
+ #include <wolfcrypt/cryptodev.h>
+#endif
+
+#ifdef _MSC_VER
+ /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
+ #pragma warning(disable: 4996)
+#endif
+
+/* prevent multiple mutex initializations */
+static volatile int initRefCount = 0;
+
+/* Used to initialize state for wolfcrypt
+ return 0 on success
+ */
+int wolfCrypt_Init(void)
+{
+ int ret = 0;
+
+ if (initRefCount == 0) {
+ WOLFSSL_ENTER("wolfCrypt_Init");
+
+ #ifdef WOLF_CRYPTO_DEV
+ wc_CryptoDev_Init();
+ #endif
+
+ #ifdef WOLFSSL_ASYNC_CRYPT
+ ret = wolfAsync_HardwareStart();
+ if (ret != 0) {
+ WOLFSSL_MSG("Async hardware start failed");
+ /* don't return failure, allow operation to continue */
+ }
+ #endif
+
+ #if defined(WOLFSSL_TRACK_MEMORY) && !defined(WOLFSSL_STATIC_MEMORY)
+ ret = InitMemoryTracker();
+ if (ret != 0) {
+ WOLFSSL_MSG("InitMemoryTracker failed");
+ return ret;
+ }
+ #endif
+
+ #if WOLFSSL_CRYPT_HW_MUTEX
+ /* If crypto hardware mutex protection is enabled, then initialize it */
+ ret = wolfSSL_CryptHwMutexInit();
+ if (ret != 0) {
+ WOLFSSL_MSG("Hw crypt mutex init failed");
+ return ret;
+ }
+ #endif
+
+ /* if defined have fast RSA then initialize Intel IPP */
+ #ifdef HAVE_FAST_RSA
+ WOLFSSL_MSG("Attempting to use optimized IPP Library");
+ if ((ret = ippInit()) != ippStsNoErr) {
+ /* possible to get a CPU feature support status on optimized IPP
+ library but still use default library and see competitive speeds */
+ WOLFSSL_MSG("Warning when trying to set up optimization");
+ WOLFSSL_MSG(ippGetStatusString(ret));
+ WOLFSSL_MSG("Using default fast IPP library");
+ ret = 0;
+ (void)ret; /* suppress not read warning */
+ }
+ #endif
+
+ #if defined(FREESCALE_LTC_TFM) || defined(FREESCALE_LTC_ECC)
+ ret = ksdk_port_init();
+ if (ret != 0) {
+ WOLFSSL_MSG("KSDK port init failed");
+ return ret;
+ }
+ #endif
+
+ #if defined(WOLFSSL_ATMEL) || defined(WOLFSSL_ATECC508A)
+ atmel_init();
+ #endif
+
+ #ifdef WOLFSSL_ARMASM
+ WOLFSSL_MSG("Using ARM hardware acceleration");
+ #endif
+
+ #if !defined(WOLFCRYPT_ONLY) && \
+ ( defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) )
+ wolfSSL_EVP_init();
+ #endif
+
+ #if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
+ if ((ret = wc_LoggingInit()) != 0) {
+ WOLFSSL_MSG("Error creating logging mutex");
+ return ret;
+ }
+ #endif
+
+#ifdef HAVE_ECC
+ #ifdef ECC_CACHE_CURVE
+ if ((ret = wc_ecc_curve_cache_init()) != 0) {
+ WOLFSSL_MSG("Error creating curve cache");
+ return ret;
+ }
+ #endif
+#endif
+
+#if defined(WOLFSSL_IMX6_CAAM) || defined(WOLFSSL_IMX6_CAAM_RNG) || \
+ defined(WOLFSSL_IMX6_CAAM_BLOB)
+ if ((ret = wc_caamInit()) != 0) {
+ return ret;
+ }
+#endif
+
+ initRefCount = 1;
+ }
+
+ return ret;
+}
+
+
+/* return success value is the same as wolfCrypt_Init */
+int wolfCrypt_Cleanup(void)
+{
+ int ret = 0;
+
+ if (initRefCount == 1) {
+ WOLFSSL_ENTER("wolfCrypt_Cleanup");
+
+#ifdef HAVE_ECC
+ #ifdef FP_ECC
+ wc_ecc_fp_free();
+ #endif
+ #ifdef ECC_CACHE_CURVE
+ wc_ecc_curve_cache_free();
+ #endif
+#endif /* HAVE_ECC */
+
+ #if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
+ ret = wc_LoggingCleanup();
+ #endif
+
+ #if defined(WOLFSSL_TRACK_MEMORY) && !defined(WOLFSSL_STATIC_MEMORY)
+ ShowMemoryTracker();
+ #endif
+
+ #ifdef WOLFSSL_ASYNC_CRYPT
+ wolfAsync_HardwareStop();
+ #endif
+
+ #if defined(WOLFSSL_IMX6_CAAM) || defined(WOLFSSL_IMX6_CAAM_RNG) || \
+ defined(WOLFSSL_IMX6_CAAM_BLOB)
+ wc_caamFree();
+ #endif
+
+ initRefCount = 0; /* allow re-init */
+ }
+
+ return ret;
+}
+
+#if !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR) && \
+ !defined(WOLFSSL_NUCLEUS) && !defined(WOLFSSL_NUCLEUS_1_2)
+
+/* File Handling Helpers */
+/* returns 0 if file found, -1 if no files or negative error */
+int wc_ReadDirFirst(ReadDirCtx* ctx, const char* path, char** name)
+{
+ int ret = -1; /* default to no files found */
+
+ if (name)
+ *name = NULL;
+
+ if (ctx == NULL || path == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ XMEMSET(ctx->name, 0, MAX_FILENAME_SZ);
+
+#ifdef USE_WINDOWS_API
+ XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ - 4);
+ XSTRNCAT(ctx->name, "\\*", 3);
+
+ ctx->hFind = FindFirstFileA(ctx->name, &ctx->FindFileData);
+ if (ctx->hFind == INVALID_HANDLE_VALUE) {
+ WOLFSSL_MSG("FindFirstFile for path verify locations failed");
+ return BAD_PATH_ERROR;
+ }
+
+ do {
+ if (ctx->FindFileData.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY) {
+ XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 3);
+ XSTRNCAT(ctx->name, "\\", 2);
+ XSTRNCAT(ctx->name, ctx->FindFileData.cFileName, MAX_FILENAME_SZ/2);
+ if (name)
+ *name = ctx->name;
+ return 0;
+ }
+ } while (FindNextFileA(ctx->hFind, &ctx->FindFileData));
+#else
+ ctx->dir = opendir(path);
+ if (ctx->dir == NULL) {
+ WOLFSSL_MSG("opendir path verify locations failed");
+ return BAD_PATH_ERROR;
+ }
+
+ while ((ctx->entry = readdir(ctx->dir)) != NULL) {
+ XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 2);
+ XSTRNCAT(ctx->name, "/", 1);
+ XSTRNCAT(ctx->name, ctx->entry->d_name, MAX_FILENAME_SZ/2);
+
+ if (stat(ctx->name, &ctx->s) != 0) {
+ WOLFSSL_MSG("stat on name failed");
+ ret = BAD_PATH_ERROR;
+ break;
+ } else if (S_ISREG(ctx->s.st_mode)) {
+ if (name)
+ *name = ctx->name;
+ return 0;
+ }
+ }
+#endif
+ wc_ReadDirClose(ctx);
+
+ return ret;
+}
+
+/* returns 0 if file found, -1 if no more files */
+int wc_ReadDirNext(ReadDirCtx* ctx, const char* path, char** name)
+{
+ int ret = -1; /* default to no file found */
+
+ if (name)
+ *name = NULL;
+
+ if (ctx == NULL || path == NULL) {
+ return BAD_FUNC_ARG;
+ }
+
+ XMEMSET(ctx->name, 0, MAX_FILENAME_SZ);
+
+#ifdef USE_WINDOWS_API
+ while (FindNextFileA(ctx->hFind, &ctx->FindFileData)) {
+ if (ctx->FindFileData.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY) {
+ XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 3);
+ XSTRNCAT(ctx->name, "\\", 2);
+ XSTRNCAT(ctx->name, ctx->FindFileData.cFileName, MAX_FILENAME_SZ/2);
+ if (name)
+ *name = ctx->name;
+ return 0;
+ }
+ }
+#else
+ while ((ctx->entry = readdir(ctx->dir)) != NULL) {
+ XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 2);
+ XSTRNCAT(ctx->name, "/", 1);
+ XSTRNCAT(ctx->name, ctx->entry->d_name, MAX_FILENAME_SZ/2);
+
+ if (stat(ctx->name, &ctx->s) != 0) {
+ WOLFSSL_MSG("stat on name failed");
+ ret = BAD_PATH_ERROR;
+ break;
+ } else if (S_ISREG(ctx->s.st_mode)) {
+ if (name)
+ *name = ctx->name;
+ return 0;
+ }
+ }
+#endif
+
+ wc_ReadDirClose(ctx);
+
+ return ret;
+}
+
+void wc_ReadDirClose(ReadDirCtx* ctx)
+{
+ if (ctx == NULL) {
+ return;
+ }
+
+#ifdef USE_WINDOWS_API
+ if (ctx->hFind != INVALID_HANDLE_VALUE) {
+ FindClose(ctx->hFind);
+ ctx->hFind = INVALID_HANDLE_VALUE;
+ }
+#else
+ if (ctx->dir) {
+ closedir(ctx->dir);
+ ctx->dir = NULL;
+ }
+#endif
+}
+
+#endif /* !NO_FILESYSTEM && !NO_WOLFSSL_DIR */
+
+
+wolfSSL_Mutex* wc_InitAndAllocMutex(void)
+{
+ wolfSSL_Mutex* m = (wolfSSL_Mutex*) XMALLOC(sizeof(wolfSSL_Mutex), NULL,
+ DYNAMIC_TYPE_MUTEX);
+ if (m != NULL) {
+ if (wc_InitMutex(m) != 0) {
+ WOLFSSL_MSG("Init Mutex failed");
+ XFREE(m, NULL, DYNAMIC_TYPE_MUTEX);
+ m = NULL;
+ }
+ }
+ else {
+ WOLFSSL_MSG("Memory error with Mutex allocation");
+ }
+
+ return m;
+}
+
+#ifdef USE_WOLF_STRTOK
+/* String token (delim) search. If str is null use nextp. */
+char* wc_strtok(char *str, const char *delim, char **nextp)
+{
+ char* ret;
+ int i, j;
+
+ /* Use next if str is NULL */
+ if (str == NULL && nextp)
+ str = *nextp;
+
+ /* verify str input */
+ if (str == NULL || *str == '\0')
+ return NULL;
+
+ /* match on entire delim */
+ for (i = 0; str[i]; i++) {
+ for (j = 0; delim[j]; j++) {
+ if (delim[j] == str[i])
+ break;
+ }
+ if (!delim[j])
+ break;
+ }
+ str += i;
+ /* if end of string, not found so return NULL */
+ if (*str == '\0')
+ return NULL;
+
+ ret = str;
+
+ /* match on first delim */
+ for (i = 0; str[i]; i++) {
+ for (j = 0; delim[j]; j++) {
+ if (delim[j] == str[i])
+ break;
+ }
+ if (delim[j] == str[i])
+ break;
+ }
+ str += i;
+
+ /* null terminate found string */
+ if (*str)
+ *str++ = '\0';
+
+ /* return pointer to next */
+ if (nextp)
+ *nextp = str;
+
+ return ret;
+}
+#endif /* USE_WOLF_STRTOK */
+
+#ifdef USE_WOLF_STRSEP
+char* wc_strsep(char **stringp, const char *delim)
+{
+ char *s, *tok;
+ const char *spanp;
+
+ /* null check */
+ if (stringp == NULL || *stringp == NULL)
+ return NULL;
+
+ s = *stringp;
+ for (tok = s; *tok; ++tok) {
+ for (spanp = delim; *spanp; ++spanp) {
+ /* found delimiter */
+ if (*tok == *spanp) {
+ *tok = '\0'; /* replace delim with null term */
+ *stringp = tok + 1; /* return past delim */
+ return s;
+ }
+ }
+ }
+
+ *stringp = NULL;
+ return s;
+}
+#endif /* USE_WOLF_STRSEP */
+
+#if WOLFSSL_CRYPT_HW_MUTEX
+/* Mutex for protection of cryptography hardware */
+static wolfSSL_Mutex wcCryptHwMutex;
+static int wcCryptHwMutexInit = 0;
+
+int wolfSSL_CryptHwMutexInit(void) {
+ int ret = 0;
+ if(wcCryptHwMutexInit == 0) {
+ ret = wc_InitMutex(&wcCryptHwMutex);
+ if(ret == 0) {
+ wcCryptHwMutexInit = 1;
+ }
+ }
+ return ret;
+}
+
+int wolfSSL_CryptHwMutexLock(void) {
+ int ret = BAD_MUTEX_E;
+
+ /* Make sure HW Mutex has been initialized */
+ wolfSSL_CryptHwMutexInit();
+
+ if(wcCryptHwMutexInit) {
+ ret = wc_LockMutex(&wcCryptHwMutex);
+ }
+ return ret;
+}
+
+int wolfSSL_CryptHwMutexUnLock(void) {
+ int ret = BAD_MUTEX_E;
+
+ if(wcCryptHwMutexInit) {
+ ret = wc_UnLockMutex(&wcCryptHwMutex);
+ }
+ return ret;
+}
+#endif /* WOLFSSL_CRYPT_HW_MUTEX */
+
+
+/* ---------------------------------------------------------------------------*/
+/* Mutex Ports */
+/* ---------------------------------------------------------------------------*/
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+ static mutex_cb* compat_mutex_cb = NULL;
+
+ /* Function that locks or unlocks a mutex based on the flag passed in.
+ *
+ * flag lock or unlock i.e. CRYPTO_LOCK
+ * type the type of lock to unlock or lock
+ * file name of the file calling
+ * line the line number from file calling
+ */
+ int wc_LockMutex_ex(int flag, int type, const char* file, int line)
+ {
+ if (compat_mutex_cb != NULL) {
+ compat_mutex_cb(flag, type, file, line);
+ return 0;
+ }
+ else {
+ WOLFSSL_MSG("Mutex call back function not set. Call wc_SetMutexCb");
+ return BAD_STATE_E;
+ }
+ }
+
+
+ /* Set the callback function to use for locking/unlocking mutex
+ *
+ * cb callback function to use
+ */
+ int wc_SetMutexCb(mutex_cb* cb)
+ {
+ compat_mutex_cb = cb;
+ return 0;
+ }
+#endif /* defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) */
+#ifdef SINGLE_THREADED
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ (void)m;
+ return 0;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex *m)
+ {
+ (void)m;
+ return 0;
+ }
+
+
+ int wc_LockMutex(wolfSSL_Mutex *m)
+ {
+ (void)m;
+ return 0;
+ }
+
+
+ int wc_UnLockMutex(wolfSSL_Mutex *m)
+ {
+ (void)m;
+ return 0;
+ }
+
+#elif defined(FREERTOS) || defined(FREERTOS_TCP) || \
+ defined(FREESCALE_FREE_RTOS)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ int iReturn;
+
+ *m = ( wolfSSL_Mutex ) xSemaphoreCreateMutex();
+ if( *m != NULL )
+ iReturn = 0;
+ else
+ iReturn = BAD_MUTEX_E;
+
+ return iReturn;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ vSemaphoreDelete( *m );
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ /* Assume an infinite block, or should there be zero block? */
+ xSemaphoreTake( *m, portMAX_DELAY );
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ xSemaphoreGive( *m );
+ return 0;
+ }
+
+#elif defined(WOLFSSL_SAFERTOS)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ vSemaphoreCreateBinary(m->mutexBuffer, m->mutex);
+ if (m->mutex == NULL)
+ return BAD_MUTEX_E;
+
+ return 0;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ (void)m;
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ /* Assume an infinite block */
+ xSemaphoreTake(m->mutex, portMAX_DELAY);
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ xSemaphoreGive(m->mutex);
+ return 0;
+ }
+
+#elif defined(USE_WINDOWS_API)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ InitializeCriticalSection(m);
+ return 0;
+ }
+
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ DeleteCriticalSection(m);
+ return 0;
+ }
+
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ EnterCriticalSection(m);
+ return 0;
+ }
+
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ LeaveCriticalSection(m);
+ return 0;
+ }
+
+#elif defined(WOLFSSL_PTHREADS)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ if (pthread_mutex_init(m, 0) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ if (pthread_mutex_destroy(m) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ if (pthread_mutex_lock(m) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ if (pthread_mutex_unlock(m) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+#elif defined(THREADX)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ if (tx_mutex_create(m, "wolfSSL Mutex", TX_NO_INHERIT) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ if (tx_mutex_delete(m) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ if (tx_mutex_get(m, TX_WAIT_FOREVER) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ if (tx_mutex_put(m) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+#elif defined(MICRIUM)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ OS_ERR err;
+
+ OSMutexCreate(m, "wolfSSL Mutex", &err);
+
+ if (err == OS_ERR_NONE)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ #if (OS_CFG_MUTEX_DEL_EN == DEF_ENABLED)
+ OS_ERR err;
+
+ OSMutexDel(m, OS_OPT_DEL_ALWAYS, &err);
+
+ if (err == OS_ERR_NONE)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ #else
+ return 0;
+ #endif
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ OS_ERR err;
+
+ OSMutexPend(m, 0, OS_OPT_PEND_BLOCKING, NULL, &err);
+
+ if (err == OS_ERR_NONE)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ OS_ERR err;
+
+ OSMutexPost(m, OS_OPT_POST_NONE, &err);
+
+ if (err == OS_ERR_NONE)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+#elif defined(EBSNET)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ if (rtp_sig_mutex_alloc(m, "wolfSSL Mutex") == -1)
+ return BAD_MUTEX_E;
+ else
+ return 0;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ rtp_sig_mutex_free(*m);
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ if (rtp_sig_mutex_claim_timed(*m, RTIP_INF) == 0)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ rtp_sig_mutex_release(*m);
+ return 0;
+ }
+
+#elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ if (_mutex_init(m, NULL) == MQX_EOK)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ if (_mutex_destroy(m) == MQX_EOK)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ if (_mutex_lock(m) == MQX_EOK)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ if (_mutex_unlock(m) == MQX_EOK)
+ return 0;
+ else
+ return BAD_MUTEX_E;
+ }
+
+#elif defined(WOLFSSL_TIRTOS)
+ #include <xdc/runtime/Error.h>
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ Semaphore_Params params;
+ Error_Block eb;
+
+ Error_init(&eb);
+ Semaphore_Params_init(¶ms);
+ params.mode = Semaphore_Mode_BINARY;
+
+ *m = Semaphore_create(1, ¶ms, &eb);
+ if (Error_check(&eb)) {
+ Error_raise(&eb, Error_E_generic, "Failed to Create the semaphore.",
+ NULL);
+ return BAD_MUTEX_E;
+ }
+ else
+ return 0;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ Semaphore_delete(m);
+
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ Semaphore_pend(*m, BIOS_WAIT_FOREVER);
+
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ Semaphore_post(*m);
+
+ return 0;
+ }
+
+#elif defined(WOLFSSL_uITRON4)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ int iReturn;
+ m->sem.sematr = TA_TFIFO;
+ m->sem.isemcnt = 1;
+ m->sem.maxsem = 1;
+ m->sem.name = NULL;
+
+ m->id = acre_sem(&m->sem);
+ if( m->id != E_OK )
+ iReturn = 0;
+ else
+ iReturn = BAD_MUTEX_E;
+
+ return iReturn;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ del_sem( m->id );
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ wai_sem(m->id);
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ sig_sem(m->id);
+ return 0;
+ }
+
+ /**** uITRON malloc/free ***/
+ static ID ID_wolfssl_MPOOL = 0;
+ static T_CMPL wolfssl_MPOOL = {TA_TFIFO, 0, NULL, "wolfSSL_MPOOL"};
+
+ int uITRON4_minit(size_t poolsz) {
+ ER ercd;
+ wolfssl_MPOOL.mplsz = poolsz;
+ ercd = acre_mpl(&wolfssl_MPOOL);
+ if (ercd > 0) {
+ ID_wolfssl_MPOOL = ercd;
+ return 0;
+ } else {
+ return -1;
+ }
+ }
+
+ void *uITRON4_malloc(size_t sz) {
+ ER ercd;
+ void *p;
+ ercd = get_mpl(ID_wolfssl_MPOOL, sz, (VP)&p);
+ if (ercd == E_OK) {
+ return p;
+ } else {
+ return 0;
+ }
+ }
+
+ void *uITRON4_realloc(void *p, size_t sz) {
+ ER ercd;
+ void *newp;
+ if(p) {
+ ercd = get_mpl(ID_wolfssl_MPOOL, sz, (VP)&newp);
+ if (ercd == E_OK) {
+ XMEMCPY(newp, p, sz);
+ ercd = rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+ if (ercd == E_OK) {
+ return newp;
+ }
+ }
+ }
+ return 0;
+ }
+
+ void uITRON4_free(void *p) {
+ ER ercd;
+ ercd = rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+ if (ercd == E_OK) {
+ return;
+ } else {
+ return;
+ }
+ }
+
+#elif defined(WOLFSSL_uTKERNEL2)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ int iReturn;
+ m->sem.sematr = TA_TFIFO;
+ m->sem.isemcnt = 1;
+ m->sem.maxsem = 1;
+
+ m->id = tk_cre_sem(&m->sem);
+ if( m->id != NULL )
+ iReturn = 0;
+ else
+ iReturn = BAD_MUTEX_E;
+
+ return iReturn;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ tk_del_sem(m->id);
+ return 0;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ tk_wai_sem(m->id, 1, TMO_FEVR);
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ tk_sig_sem(m->id, 1);
+ return 0;
+ }
+
+ /**** uT-Kernel malloc/free ***/
+ static ID ID_wolfssl_MPOOL = 0;
+ static T_CMPL wolfssl_MPOOL = {
+ NULL, /* Extended information */
+ TA_TFIFO, /* Memory pool attribute */
+ 0, /* Size of whole memory pool (byte) */
+ "wolfSSL" /* Object name (max 8-char) */
+ };
+
+ int uTKernel_init_mpool(unsigned int sz) {
+ ER ercd;
+ wolfssl_MPOOL.mplsz = sz;
+ ercd = tk_cre_mpl(&wolfssl_MPOOL);
+ if (ercd > 0) {
+ ID_wolfssl_MPOOL = ercd;
+ return 0;
+ } else {
+ return (int)ercd;
+ }
+ }
+
+ void *uTKernel_malloc(unsigned int sz) {
+ ER ercd;
+ void *p;
+ ercd = tk_get_mpl(ID_wolfssl_MPOOL, sz, (VP)&p, TMO_FEVR);
+ if (ercd == E_OK) {
+ return p;
+ } else {
+ return 0;
+ }
+ }
+
+ void *uTKernel_realloc(void *p, unsigned int sz) {
+ ER ercd;
+ void *newp;
+ if (p) {
+ ercd = tk_get_mpl(ID_wolfssl_MPOOL, sz, (VP)&newp, TMO_FEVR);
+ if (ercd == E_OK) {
+ XMEMCPY(newp, p, sz);
+ ercd = tk_rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+ if (ercd == E_OK) {
+ return newp;
+ }
+ }
+ }
+ return 0;
+ }
+
+ void uTKernel_free(void *p) {
+ ER ercd;
+ ercd = tk_rel_mpl(ID_wolfssl_MPOOL, (VP)p);
+ if (ercd == E_OK) {
+ return;
+ } else {
+ return;
+ }
+ }
+
+#elif defined (WOLFSSL_FROSTED)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ *m = mutex_init();
+ if (*m)
+ return 0;
+ else
+ return -1;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ mutex_destroy(*m);
+ return(0);
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ mutex_lock(*m);
+ return 0;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ mutex_unlock(*m);
+ return 0;
+ }
+
+#elif defined(WOLFSSL_CMSIS_RTOS)
+
+ #define CMSIS_NMUTEX 10
+ osMutexDef(wolfSSL_mt0); osMutexDef(wolfSSL_mt1); osMutexDef(wolfSSL_mt2);
+ osMutexDef(wolfSSL_mt3); osMutexDef(wolfSSL_mt4); osMutexDef(wolfSSL_mt5);
+ osMutexDef(wolfSSL_mt6); osMutexDef(wolfSSL_mt7); osMutexDef(wolfSSL_mt8);
+ osMutexDef(wolfSSL_mt9);
+
+ static const osMutexDef_t *CMSIS_mutex[] = { osMutex(wolfSSL_mt0),
+ osMutex(wolfSSL_mt1), osMutex(wolfSSL_mt2), osMutex(wolfSSL_mt3),
+ osMutex(wolfSSL_mt4), osMutex(wolfSSL_mt5), osMutex(wolfSSL_mt6),
+ osMutex(wolfSSL_mt7), osMutex(wolfSSL_mt8), osMutex(wolfSSL_mt9) };
+
+ static osMutexId CMSIS_mutexID[CMSIS_NMUTEX] = {0};
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ int i;
+ for (i=0; i<CMSIS_NMUTEX; i++) {
+ if(CMSIS_mutexID[i] == 0) {
+ CMSIS_mutexID[i] = osMutexCreate(CMSIS_mutex[i]);
+ (*m) = CMSIS_mutexID[i];
+ return 0;
+ }
+ }
+ return -1;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ int i;
+ osMutexDelete (*m);
+ for (i=0; i<CMSIS_NMUTEX; i++) {
+ if(CMSIS_mutexID[i] == (*m)) {
+ CMSIS_mutexID[i] = 0;
+ return(0);
+ }
+ }
+ return(-1);
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ osMutexWait(*m, osWaitForever);
+ return(0);
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ osMutexRelease (*m);
+ return 0;
+ }
+
+#elif defined(WOLFSSL_MDK_ARM)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ os_mut_init (m);
+ return 0;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ return(0);
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ os_mut_wait (m, 0xffff);
+ return(0);
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ os_mut_release (m);
+ return 0;
+ }
+
+#elif defined(INTIME_RTOS)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ int ret = 0;
+
+ if (m == NULL)
+ return BAD_FUNC_ARG;
+
+ *m = CreateRtSemaphore(
+ 1, /* initial unit count */
+ 1, /* maximum unit count */
+ PRIORITY_QUEUING /* creation flags: FIFO_QUEUING or PRIORITY_QUEUING */
+ );
+ if (*m == BAD_RTHANDLE) {
+ ret = GetLastRtError();
+ if (ret != E_OK)
+ ret = BAD_MUTEX_E;
+ }
+ return ret;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ int ret = 0;
+ BOOLEAN del;
+
+ if (m == NULL)
+ return BAD_FUNC_ARG;
+
+ del = DeleteRtSemaphore(
+ *m /* handle for RT semaphore */
+ );
+ if (del != TRUE)
+ ret = BAD_MUTEX_E;
+
+ return ret;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ int ret = 0;
+ DWORD lck;
+
+ if (m == NULL)
+ return BAD_FUNC_ARG;
+
+ lck = WaitForRtSemaphore(
+ *m, /* handle for RT semaphore */
+ 1, /* number of units to wait for */
+ WAIT_FOREVER /* number of milliseconds to wait for units */
+ );
+ if (lck == WAIT_FAILED) {
+ ret = GetLastRtError();
+ if (ret != E_OK)
+ ret = BAD_MUTEX_E;
+ }
+ return ret;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ int ret = 0;
+ BOOLEAN rel;
+
+ if (m == NULL)
+ return BAD_FUNC_ARG;
+
+ rel = ReleaseRtSemaphore(
+ *m, /* handle for RT semaphore */
+ 1 /* number of units to release to semaphore */
+ );
+ if (rel != TRUE)
+ ret = BAD_MUTEX_E;
+
+ return ret;
+ }
+
+#elif defined(WOLFSSL_NUCLEUS_1_2)
+
+ int wc_InitMutex(wolfSSL_Mutex* m)
+ {
+ /* Call the Nucleus function to create the semaphore */
+ if (NU_Create_Semaphore(m, "WOLFSSL_MTX", 1,
+ NU_PRIORITY) == NU_SUCCESS) {
+ return 0;
+ }
+
+ return BAD_MUTEX_E;
+ }
+
+ int wc_FreeMutex(wolfSSL_Mutex* m)
+ {
+ if (NU_Delete_Semaphore(m) == NU_SUCCESS)
+ return 0;
+
+ return BAD_MUTEX_E;
+ }
+
+ int wc_LockMutex(wolfSSL_Mutex* m)
+ {
+ /* passing suspend task option */
+ if (NU_Obtain_Semaphore(m, NU_SUSPEND) == NU_SUCCESS)
+ return 0;
+
+ return BAD_MUTEX_E;
+ }
+
+ int wc_UnLockMutex(wolfSSL_Mutex* m)
+ {
+ if (NU_Release_Semaphore(m) == NU_SUCCESS)
+ return 0;
+
+ return BAD_MUTEX_E;
+ }
+
+#else
+ #warning No mutex handling defined
+
+#endif
+
+#ifndef NO_ASN_TIME
+#if defined(_WIN32_WCE)
+time_t windows_time(time_t* timer)
+{
+ SYSTEMTIME sysTime;
+ FILETIME fTime;
+ ULARGE_INTEGER intTime;
+ time_t localTime;
+
+ if (timer == NULL)
+ timer = &localTime;
+
+ GetSystemTime(&sysTime);
+ SystemTimeToFileTime(&sysTime, &fTime);
+
+ XMEMCPY(&intTime, &fTime, sizeof(FILETIME));
+ /* subtract EPOCH */
+ intTime.QuadPart -= 0x19db1ded53e8000;
+ /* to secs */
+ intTime.QuadPart /= 10000000;
+ *timer = (time_t)intTime.QuadPart;
+
+ return *timer;
+}
+#endif /* _WIN32_WCE */
+
+#if defined(WOLFSSL_GMTIME)
+struct tm* gmtime(const time_t* timer)
+{
+ #define YEAR0 1900
+ #define EPOCH_YEAR 1970
+ #define SECS_DAY (24L * 60L * 60L)
+ #define LEAPYEAR(year) (!((year) % 4) && (((year) % 100) || !((year) %400)))
+ #define YEARSIZE(year) (LEAPYEAR(year) ? 366 : 365)
+
+ static const int _ytab[2][12] =
+ {
+ {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
+ {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
+ };
+
+ static struct tm st_time;
+ struct tm* ret = &st_time;
+ time_t secs = *timer;
+ unsigned long dayclock, dayno;
+ int year = EPOCH_YEAR;
+
+ dayclock = (unsigned long)secs % SECS_DAY;
+ dayno = (unsigned long)secs / SECS_DAY;
+
+ ret->tm_sec = (int) dayclock % 60;
+ ret->tm_min = (int)(dayclock % 3600) / 60;
+ ret->tm_hour = (int) dayclock / 3600;
+ ret->tm_wday = (int) (dayno + 4) % 7; /* day 0 a Thursday */
+
+ while(dayno >= (unsigned long)YEARSIZE(year)) {
+ dayno -= YEARSIZE(year);
+ year++;
+ }
+
+ ret->tm_year = year - YEAR0;
+ ret->tm_yday = (int)dayno;
+ ret->tm_mon = 0;
+
+ while(dayno >= (unsigned long)_ytab[LEAPYEAR(year)][ret->tm_mon]) {
+ dayno -= _ytab[LEAPYEAR(year)][ret->tm_mon];
+ ret->tm_mon++;
+ }
+
+ ret->tm_mday = (int)++dayno;
+ ret->tm_isdst = 0;
+
+ return ret;
+}
+#endif /* WOLFSSL_GMTIME */
+
+
+#if defined(HAVE_RTP_SYS)
+#define YEAR0 1900
+
+struct tm* rtpsys_gmtime(const time_t* timer) /* has a gmtime() but hangs */
+{
+ static struct tm st_time;
+ struct tm* ret = &st_time;
+
+ DC_RTC_CALENDAR cal;
+ dc_rtc_time_get(&cal, TRUE);
+
+ ret->tm_year = cal.year - YEAR0; /* gm starts at 1900 */
+ ret->tm_mon = cal.month - 1; /* gm starts at 0 */
+ ret->tm_mday = cal.day;
+ ret->tm_hour = cal.hour;
+ ret->tm_min = cal.minute;
+ ret->tm_sec = cal.second;
+
+ return ret;
+}
+
+#endif /* HAVE_RTP_SYS */
+
+
+#if defined(MICROCHIP_TCPIP_V5) || defined(MICROCHIP_TCPIP)
+
+/*
+ * time() is just a stub in Microchip libraries. We need our own
+ * implementation. Use SNTP client to get seconds since epoch.
+ */
+time_t pic32_time(time_t* timer)
+{
+#ifdef MICROCHIP_TCPIP_V5
+ DWORD sec = 0;
+#else
+ uint32_t sec = 0;
+#endif
+ time_t localTime;
+
+ if (timer == NULL)
+ timer = &localTime;
+
+#ifdef MICROCHIP_MPLAB_HARMONY
+ sec = TCPIP_SNTP_UTCSecondsGet();
+#else
+ sec = SNTPGetUTCSeconds();
+#endif
+ *timer = (time_t) sec;
+
+ return *timer;
+}
+
+#endif /* MICROCHIP_TCPIP || MICROCHIP_TCPIP_V5 */
+
+#if defined(MICRIUM)
+
+time_t micrium_time(time_t* timer)
+{
+ CLK_TS_SEC sec;
+
+ Clk_GetTS_Unix(&sec);
+
+ return (time_t) sec;
+}
+
+#endif /* MICRIUM */
+
+#if defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
+
+time_t mqx_time(time_t* timer)
+{
+ time_t localTime;
+ TIME_STRUCT time_s;
+
+ if (timer == NULL)
+ timer = &localTime;
+
+ _time_get(&time_s);
+ *timer = (time_t) time_s.SECONDS;
+
+ return *timer;
+}
+
+#endif /* FREESCALE_MQX || FREESCALE_KSDK_MQX */
+
+
+#if defined(WOLFSSL_TIRTOS)
+
+time_t XTIME(time_t * timer)
+{
+ time_t sec = 0;
+
+ sec = (time_t) Seconds_get();
+
+ if (timer != NULL)
+ *timer = sec;
+
+ return sec;
+}
+
+#endif /* WOLFSSL_TIRTOS */
+
+#if defined(WOLFSSL_XILINX)
+#include "xrtcpsu.h"
+
+time_t XTIME(time_t * timer)
+{
+ time_t sec = 0;
+ XRtcPsu_Config* con;
+ XRtcPsu rtc;
+
+ con = XRtcPsu_LookupConfig(XPAR_XRTCPSU_0_DEVICE_ID);
+ if (con != NULL) {
+ if (XRtcPsu_CfgInitialize(&rtc, con, con->BaseAddr) == XST_SUCCESS) {
+ sec = (time_t)XRtcPsu_GetCurrentTime(&rtc);
+ }
+ else {
+ WOLFSSL_MSG("Unable to initialize RTC");
+ }
+ }
+
+ if (timer != NULL)
+ *timer = sec;
+
+ return sec;
+}
+
+#endif /* WOLFSSL_XILINX */
+#endif /* !NO_ASN_TIME */
+
+#ifndef WOLFSSL_LEANPSK
+char* mystrnstr(const char* s1, const char* s2, unsigned int n)
+{
+ unsigned int s2_len = (unsigned int)XSTRLEN(s2);
+
+ if (s2_len == 0)
+ return (char*)s1;
+
+ while (n >= s2_len && s1[0]) {
+ if (s1[0] == s2[0])
+ if (XMEMCMP(s1, s2, s2_len) == 0)
+ return (char*)s1;
+ s1++;
+ n--;
+ }
+
+ return NULL;
+}
+#endif
+
+/* custom memory wrappers */
+#ifdef WOLFSSL_NUCLEUS_1_2
+
+ /* system memory pool */
+ extern NU_MEMORY_POOL System_Memory;
+
+ void* nucleus_malloc(unsigned long size, void* heap, int type)
+ {
+ STATUS status;
+ void* stack_ptr;
+
+ status = NU_Allocate_Memory(&System_Memory, &stack_ptr, size,
+ NU_NO_SUSPEND);
+ if (status == NU_SUCCESS) {
+ return 0;
+ } else {
+ return stack_ptr;
+ }
+ }
+
+ void* nucleus_realloc(void* ptr, unsigned long size, void* heap, int type)
+ {
+ STATUS status;
+ DM_HEADER* old_header;
+ word32 old_size, copy_size;
+ void* new_mem;
+
+ /* if ptr is NULL, behave like malloc */
+ new_mem = nucleus_malloc(size, NULL, 0);
+ if (new_mem == 0 || ptr == 0) {
+ return new_mem;
+ }
+
+ /* calculate old memory block size */
+ /* mem pointers stored in block headers (ref dm_defs.h) */
+ old_header = (DM_HEADER*) ((byte*)ptr - DM_OVERHEAD);
+ old_size = (byte*)old_header->dm_next_memory - (byte*)ptr;
+
+ /* copy old to new */
+ if (old_size < size) {
+ copy_size = old_size;
+ } else {
+ copy_size = size;
+ }
+ XMEMCPY(new_mem, ptr, copy_size);
+
+ /* free old */
+ nucleus_free(ptr, NULL, 0);
+
+ return new_mem;
+ }
+
+ void nucleus_free(void* ptr, void* heap, int type)
+ {
+ if (ptr != NULL)
+ NU_Deallocate_Memory(ptr);
+ }
+
+#endif /* WOLFSSL_NUCLEUS_1_2 */
+
+#if defined(WOLFSSL_TI_CRYPT) || defined(WOLFSSL_TI_HASH)
+ #include <wolfcrypt/src/port/ti/ti-ccm.c> /* initialize and Mutex for TI Crypt Engine */
+ #include <wolfcrypt/src/port/ti/ti-hash.c> /* md5, sha1, sha224, sha256 */
+#endif
+