CyaSSL 3.0.0
Dependents: HTTPClient-SSL HTTPClient HTTPClient-SSL http_access ... more
Diff: cyassl/internal.h
- Revision:
- 0:1239e9b70ca2
diff -r 000000000000 -r 1239e9b70ca2 cyassl/internal.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cyassl/internal.h Sat Jul 12 07:18:23 2014 +0000 @@ -0,0 +1,2144 @@ +/* internal.h + * + * Copyright (C) 2006-2014 wolfSSL Inc. + * + * This file is part of CyaSSL. + * + * CyaSSL 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. + * + * CyaSSL 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 02110-1301, USA + */ + + +#ifndef CYASSL_INT_H +#define CYASSL_INT_H + + +#include <cyassl/ctaocrypt/types.h> +#include <cyassl/ssl.h> +#include <cyassl/crl.h> +#include <cyassl/ctaocrypt/random.h> +#include <cyassl/ctaocrypt/des3.h> +#include <cyassl/ctaocrypt/hc128.h> +#include <cyassl/ctaocrypt/rabbit.h> +#include <cyassl/ctaocrypt/asn.h> +#include <cyassl/ctaocrypt/md5.h> +#include <cyassl/ctaocrypt/sha.h> +#include <cyassl/ctaocrypt/aes.h> +#include <cyassl/ctaocrypt/camellia.h> +#include <cyassl/ctaocrypt/logging.h> +#include <cyassl/ctaocrypt/hmac.h> +#ifndef NO_RC4 + #include <cyassl/ctaocrypt/arc4.h> +#endif +#ifdef HAVE_ECC + #include <cyassl/ctaocrypt/ecc.h> +#endif +#ifndef NO_SHA256 + #include <cyassl/ctaocrypt/sha256.h> +#endif +#ifdef HAVE_OCSP + #include <cyassl/ocsp.h> +#endif +#ifdef CYASSL_SHA512 + #include <cyassl/ctaocrypt/sha512.h> +#endif + +#ifdef HAVE_AESGCM + #include <cyassl/ctaocrypt/sha512.h> +#endif + +#ifdef CYASSL_RIPEMD + #include <cyassl/ctaocrypt/ripemd.h> +#endif + +#ifdef CYASSL_CALLBACKS + #include <cyassl/callbacks.h> + #include <signal.h> +#endif + +#ifdef USE_WINDOWS_API + #ifdef CYASSL_GAME_BUILD + #include "system/xtl.h" + #else + #if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN) + /* On WinCE winsock2.h must be included before windows.h */ + #include <winsock2.h> + #endif + #include <windows.h> + #endif +#elif defined(THREADX) + #ifndef SINGLE_THREADED + #include "tx_api.h" + #endif +#elif defined(MICRIUM) + /* do nothing, just don't pick Unix */ +#elif defined(FREERTOS) || defined(CYASSL_SAFERTOS) + /* do nothing */ +#elif defined(EBSNET) + /* do nothing */ +#elif defined(FREESCALE_MQX) + /* do nothing */ +#elif defined(CYASSL_MDK_ARM) + #if defined(CYASSL_MDK5) + #include "cmsis_os.h" + #else + #include <rtl.h> + #endif +#elif defined(MBED) + +#else + #ifndef SINGLE_THREADED + #define CYASSL_PTHREADS + #include <pthread.h> + #endif + #if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS) + #include <unistd.h> /* for close of BIO */ + #endif +#endif + + +#ifdef HAVE_LIBZ + #include "zlib.h" +#endif + +#ifdef _MSC_VER + /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */ + #pragma warning(disable: 4996) +#endif + +#ifdef NO_AES + #if !defined (ALIGN16) + #define ALIGN16 + #endif +#endif + +#ifdef NO_SHA + #define SHA_DIGEST_SIZE 20 +#endif + +#ifdef NO_SHA256 + #define SHA256_DIGEST_SIZE 32 +#endif + + +#ifdef __cplusplus + extern "C" { +#endif + + +#ifdef USE_WINDOWS_API + typedef unsigned int SOCKET_T; +#else + typedef int SOCKET_T; +#endif + + +typedef byte word24[3]; + +/* used by ssl.c and cyassl_int.c */ +void c32to24(word32 in, word24 out); + +/* Define or comment out the cipher suites you'd like to be compiled in + make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined + + When adding cipher suites, add name to cipher_names, idx to cipher_name_idx +*/ +#if !defined(NO_RSA) && !defined(NO_RC4) + #if !defined(NO_SHA) + #define BUILD_SSL_RSA_WITH_RC4_128_SHA + #endif + #if !defined(NO_MD5) + #define BUILD_SSL_RSA_WITH_RC4_128_MD5 + #endif + #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA) + #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA + #endif +#endif + +#if !defined(NO_RSA) && !defined(NO_DES3) + #if !defined(NO_SHA) + #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA + #if !defined(NO_TLS) && defined(HAVE_NTRU) + #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA + #endif + #endif +#endif + +#if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS) + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA + #if defined(HAVE_NTRU) + #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA + #endif + #endif + #if !defined (NO_SHA256) + #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256 + #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256 + #endif + #if defined (HAVE_AESGCM) + #define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256 + #if defined (CYASSL_SHA384) + #define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #if defined (HAVE_AESCCM) + #define BUILD_TLS_RSA_WITH_AES_128_CCM_8 + #define BUILD_TLS_RSA_WITH_AES_256_CCM_8 + #endif + #if defined(HAVE_BLAKE2) + #define BUILD_TLS_RSA_WITH_AES_128_CBC_B2B256 + #define BUILD_TLS_RSA_WITH_AES_256_CBC_B2B256 + #endif +#endif + +#if defined(HAVE_CAMELLIA) && !defined(NO_TLS) + #ifndef NO_RSA + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA + #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 + #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 + #endif + #if !defined(NO_DH) && defined(OPENSSL_EXTRA) + #if !defined(NO_SHA) + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 + #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 + #endif + #endif + #endif +#endif + +#if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS) + #if !defined(NO_SHA) + #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA + #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256 + #ifdef HAVE_AESCCM + #define BUILD_TLS_PSK_WITH_AES_128_CCM_8 + #define BUILD_TLS_PSK_WITH_AES_256_CCM_8 + #endif + #endif +#endif + +#if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER) + #if !defined(NO_RSA) + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_NULL_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_RSA_WITH_NULL_SHA256 + #endif + #endif + #if !defined(NO_PSK) + #if !defined(NO_SHA) + #define BUILD_TLS_PSK_WITH_NULL_SHA + #endif + #ifndef NO_SHA256 + #define BUILD_TLS_PSK_WITH_NULL_SHA256 + #endif + #endif +#endif + +#if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS) + #define BUILD_TLS_RSA_WITH_HC_128_MD5 + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_HC_128_SHA + #endif + #if defined(HAVE_BLAKE2) + #define BUILD_TLS_RSA_WITH_HC_128_B2B256 + #endif +#endif + +#if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA) + #if !defined(NO_SHA) + #define BUILD_TLS_RSA_WITH_RABBIT_SHA + #endif +#endif + +#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \ + !defined(NO_RSA) && defined(OPENSSL_EXTRA) + #if !defined(NO_SHA) + #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA + #endif + #if !defined (NO_SHA256) + #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 + #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 + #if defined (HAVE_AESGCM) + #define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 + #if defined (CYASSL_SHA384) + #define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #endif +#endif + +#if defined(HAVE_ECC) && !defined(NO_TLS) + #if !defined(NO_AES) + #if !defined(NO_SHA) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA + #endif + + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA + + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA + #endif /* NO_SHA */ + #ifndef NO_SHA256 + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 + #endif + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 + #endif + + #ifdef CYASSL_SHA384 + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 + #endif + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 + #endif + + #if defined (HAVE_AESGCM) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 + #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 + #if defined(CYASSL_SHA384) + #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 + #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 + + #if defined(CYASSL_SHA384) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 + #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 + #endif + #endif + #if defined (HAVE_AESCCM) + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 + #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 + #endif + #endif /* NO_AES */ + #if !defined(NO_RC4) + #if !defined(NO_SHA) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA + #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA + #endif + + #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA + #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA + #endif + #endif + #if !defined(NO_DES3) + #if !defined(NO_RSA) + #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA + #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA + #endif + + #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA + #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA + #endif +#endif + + +#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \ + defined(BUILD_SSL_RSA_WITH_RC4_128_MD5) + #define BUILD_ARC4 +#endif + +#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA) + #define BUILD_DES3 +#endif + +#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \ + defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) + #undef BUILD_AES + #define BUILD_AES +#endif + +#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \ + defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) + #define BUILD_AESGCM +#endif + +#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \ + defined(BUILD_TLS_RSA_WITH_HC_128_MD5) || \ + defined(BUILD_TLS_RSA_WITH_HC_128_B2B256) + #define BUILD_HC128 +#endif + +#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA) + #define BUILD_RABBIT +#endif + +#ifdef NO_DES3 + #define DES_BLOCK_SIZE 8 +#else + #undef BUILD_DES3 + #define BUILD_DES3 +#endif + +#ifdef NO_AES + #define AES_BLOCK_SIZE 16 +#else + #undef BUILD_AES + #define BUILD_AES +#endif + +#ifndef NO_RC4 + #undef BUILD_ARC4 + #define BUILD_ARC4 +#endif + + + +#if defined(BUILD_AESGCM) || defined(HAVE_AESCCM) + #define HAVE_AEAD +#endif + + +/* actual cipher values, 2nd byte */ +enum { + TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39, + TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33, + TLS_RSA_WITH_AES_256_CBC_SHA = 0x35, + TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F, + TLS_RSA_WITH_NULL_SHA = 0x02, + TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d, + TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae, + TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c, + TLS_PSK_WITH_NULL_SHA256 = 0xb0, + TLS_PSK_WITH_NULL_SHA = 0x2c, + SSL_RSA_WITH_RC4_128_SHA = 0x05, + SSL_RSA_WITH_RC4_128_MD5 = 0x04, + SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A, + + /* ECC suites, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14, + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13, + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A, + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09, + TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11, + TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07, + TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12, + TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08, + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27, + TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23, + TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28, + TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24, + + /* static ECDH, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F, + TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E, + TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05, + TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04, + TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C, + TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02, + TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D, + TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03, + TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29, + TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25, + TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A, + TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26, + + /* CyaSSL extension - eSTREAM */ + TLS_RSA_WITH_HC_128_MD5 = 0xFB, + TLS_RSA_WITH_HC_128_SHA = 0xFC, + TLS_RSA_WITH_RABBIT_SHA = 0xFD, + + /* CyaSSL extension - Blake2b 256 */ + TLS_RSA_WITH_AES_128_CBC_B2B256 = 0xF8, + TLS_RSA_WITH_AES_256_CBC_B2B256 = 0xF9, + TLS_RSA_WITH_HC_128_B2B256 = 0xFA, /* eSTREAM too */ + + /* CyaSSL extension - NTRU */ + TLS_NTRU_RSA_WITH_RC4_128_SHA = 0xe5, + TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6, + TLS_NTRU_RSA_WITH_AES_128_CBC_SHA = 0xe7, /* clases w/ official SHA-256 */ + TLS_NTRU_RSA_WITH_AES_256_CBC_SHA = 0xe8, + + /* SHA256 */ + TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b, + TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67, + TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d, + TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c, + TLS_RSA_WITH_NULL_SHA256 = 0x3b, + + /* AES-GCM */ + TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c, + TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d, + TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e, + TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f, + + /* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */ + TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b, + TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c, + TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d, + TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e, + TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f, + TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30, + TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31, + TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32, + + /* AES-CCM, first byte is 0xC0 but isn't ECC, + * also, in some of the other AES-CCM suites + * there will be second byte number conflicts + * with non-ECC AES-GCM */ + TLS_RSA_WITH_AES_128_CCM_8 = 0xa0, + TLS_RSA_WITH_AES_256_CCM_8 = 0xa1, + TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae, + TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf, + TLS_PSK_WITH_AES_128_CCM = 0xa4, + TLS_PSK_WITH_AES_256_CCM = 0xa5, + TLS_PSK_WITH_AES_128_CCM_8 = 0xa8, + TLS_PSK_WITH_AES_256_CCM_8 = 0xa9, + + TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41, + TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84, + TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba, + TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0, + TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45, + TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88, + TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe, + TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4, + + /* Renegotiation Indication Extension Special Suite */ + TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff +}; + + +enum Misc { + ECC_BYTE = 0xC0, /* ECC first cipher suite byte */ + + SEND_CERT = 1, + SEND_BLANK_CERT = 2, + + DTLS_MAJOR = 0xfe, /* DTLS major version number */ + DTLS_MINOR = 0xff, /* DTLS minor version number */ + DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */ + SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */ + SSLv3_MINOR = 0, /* TLSv1 minor version number */ + TLSv1_MINOR = 1, /* TLSv1 minor version number */ + TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */ + TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */ + INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */ + NO_COMPRESSION = 0, + ZLIB_COMPRESSION = 221, /* CyaSSL zlib compression */ + HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */ + SECRET_LEN = 48, /* pre RSA and all master */ + ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */ + SIZEOF_SENDER = 4, /* clnt or srvr */ + FINISHED_SZ = 36, /* MD5_DIGEST_SIZE + SHA_DIGEST_SIZE */ + MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */ + MAX_MSG_EXTRA = 38 + MAX_DIGEST_SIZE, + /* max added to msg, mac + pad from */ + /* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max + digest sz + BLOC_SZ (iv) + pad byte (1) */ + MAX_COMP_EXTRA = 1024, /* max compression extra */ + MAX_MTU = 1500, /* max expected MTU */ + MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */ + MAX_DH_SZ = 612, /* 2240 p, pub, g + 2 byte size for each */ + MAX_STR_VERSION = 8, /* string rep of protocol version */ + + PAD_MD5 = 48, /* pad length for finished */ + PAD_SHA = 40, /* pad length for finished */ + MAX_PAD_SIZE = 256, /* maximum length of padding */ + COMPRESS_DUMMY_SIZE = 64, /* compression dummy round size */ + COMPRESS_CONSTANT = 13, /* compression calc constant */ + COMPRESS_UPPER = 55, /* compression calc numerator */ + COMPRESS_LOWER = 64, /* compression calc denominator */ + + PEM_LINE_LEN = 80, /* PEM line max + fudge */ + LENGTH_SZ = 2, /* length field for HMAC, data only */ + VERSION_SZ = 2, /* length of proctocol version */ + SEQ_SZ = 8, /* 64 bit sequence number */ + BYTE3_LEN = 3, /* up to 24 bit byte lengths */ + ALERT_SIZE = 2, /* level + description */ + VERIFY_HEADER = 2, /* always use 2 bytes */ + EXT_ID_SZ = 2, /* always use 2 bytes */ + MAX_DH_SIZE = 513, /* 4096 bit plus possible leading 0 */ + + MAX_SUITE_SZ = 200, /* 100 suites for now! */ + RAN_LEN = 32, /* random length */ + SEED_LEN = RAN_LEN * 2, /* tls prf seed length */ + ID_LEN = 32, /* session id length */ + MAX_COOKIE_LEN = 32, /* max dtls cookie size */ + COOKIE_SZ = 20, /* use a 20 byte cookie */ + SUITE_LEN = 2, /* cipher suite sz length */ + ENUM_LEN = 1, /* always a byte */ + OPAQUE8_LEN = 1, /* 1 byte */ + OPAQUE16_LEN = 2, /* 2 bytes */ + OPAQUE24_LEN = 3, /* 3 bytes */ + COMP_LEN = 1, /* compression length */ + CURVE_LEN = 2, /* ecc named curve length */ + SERVER_ID_LEN = 20, /* server session id length */ + + HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */ + RECORD_HEADER_SZ = 5, /* type + version + len(2) */ + CERT_HEADER_SZ = 3, /* always 3 bytes */ + REQ_HEADER_SZ = 2, /* cert request header sz */ + HINT_LEN_SZ = 2, /* length of hint size field */ + TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */ + HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */ + HELLO_EXT_SZ = 8, /* total length of the lazy hello extensions */ + HELLO_EXT_LEN = 6, /* length of the lazy hello extensions */ + HELLO_EXT_SIGALGO_SZ = 2, /* length of signature algo extension */ + HELLO_EXT_SIGALGO_MAX = 32, /* number of items in the signature algo list */ + + DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */ + DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */ + DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */ + DTLS_RECORD_EXTRA = 8, /* diff from normal */ + DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */ + DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */ + DTLS_POOL_SZ = 5, /* buffers to hold in the retry pool */ + + FINISHED_LABEL_SZ = 15, /* TLS finished label size */ + TLS_FINISHED_SZ = 12, /* TLS has a shorter size */ + MASTER_LABEL_SZ = 13, /* TLS master secret label sz */ + KEY_LABEL_SZ = 13, /* TLS key block expansion sz */ + MAX_PRF_HALF = 128, /* Maximum half secret len */ + MAX_PRF_LABSEED = 128, /* Maximum label + seed len */ + MAX_PRF_DIG = 224, /* Maximum digest len */ + MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */ + SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */ + + RC4_KEY_SIZE = 16, /* always 128bit */ + DES_KEY_SIZE = 8, /* des */ + DES3_KEY_SIZE = 24, /* 3 des ede */ + DES_IV_SIZE = DES_BLOCK_SIZE, + AES_256_KEY_SIZE = 32, /* for 256 bit */ + AES_192_KEY_SIZE = 24, /* for 192 bit */ + AES_IV_SIZE = 16, /* always block size */ + AES_128_KEY_SIZE = 16, /* for 128 bit */ + + AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */ + AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */ + AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */ + AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */ + AEAD_LEN_OFFSET = 11, /* Auth Data: Length */ + AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */ + AEAD_IMP_IV_SZ = 4, /* Size of the implicit IV */ + AEAD_EXP_IV_SZ = 8, /* Size of the explicit IV */ + AEAD_NONCE_SZ = AEAD_EXP_IV_SZ + AEAD_IMP_IV_SZ, + + AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */ + AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */ + AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */ + + CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */ + CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */ + CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */ + CAMELLIA_IV_SIZE = 16, /* always block size */ + + HC_128_KEY_SIZE = 16, /* 128 bits */ + HC_128_IV_SIZE = 16, /* also 128 bits */ + + RABBIT_KEY_SIZE = 16, /* 128 bits */ + RABBIT_IV_SIZE = 8, /* 64 bits for iv */ + + EVP_SALT_SIZE = 8, /* evp salt size 64 bits */ + + ECDHE_SIZE = 32, /* ECHDE server size defaults to 256 bit */ + MAX_EXPORT_ECC_SZ = 256, /* Export ANS X9.62 max future size */ + + MAX_HELLO_SZ = 128, /* max client or server hello */ + MAX_CERT_VERIFY_SZ = 1024, /* max */ + CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */ + MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */ + DEFAULT_TIMEOUT = 500, /* default resumption timeout in seconds */ + + DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */ + DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */ + DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */ + + MAX_PSK_ID_LEN = 128, /* max psk identity/hint supported */ + MAX_PSK_KEY_LEN = 64, /* max psk key supported */ + + MAX_CYASSL_FILE_SIZE = 1024 * 1024 * 4, /* 4 mb file size alloc limit */ + +#ifdef FORTRESS + MAX_EX_DATA = 3, /* allow for three items of ex_data */ +#endif + + MAX_X509_SIZE = 2048, /* max static x509 buffer size */ + CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */ + MAX_FILENAME_SZ = 256, /* max file name length */ + FILE_BUFFER_SIZE = 1024, /* default static file buffer size for input, + will use dynamic buffer if not big enough */ + + MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */ + MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */ + MAX_NTRU_BITS = 256, /* max symmetric bit strength */ + NO_SNIFF = 0, /* not sniffing */ + SNIFF = 1, /* currently sniffing */ + + HASH_SIG_SIZE = 2, /* default SHA1 RSA */ + + NO_CAVIUM_DEVICE = -2, /* invalid cavium device id */ + + NO_COPY = 0, /* should we copy static buffer for write */ + COPY = 1 /* should we copy static buffer for write */ +}; + + +#ifdef SESSION_INDEX +/* Shift values for making a session index */ +#define SESSIDX_ROW_SHIFT 4 +#define SESSIDX_IDX_MASK 0x0F +#endif + + +/* max cert chain peer depth */ +#ifndef MAX_CHAIN_DEPTH + #define MAX_CHAIN_DEPTH 9 +#endif + + +/* don't use extra 3/4k stack space unless need to */ +#ifdef HAVE_NTRU + #define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ +#else + #define MAX_ENCRYPT_SZ ENCRYPT_LEN +#endif + + +/* states */ +enum states { + NULL_STATE = 0, + + SERVER_HELLOVERIFYREQUEST_COMPLETE, + SERVER_HELLO_COMPLETE, + SERVER_CERT_COMPLETE, + SERVER_KEYEXCHANGE_COMPLETE, + SERVER_HELLODONE_COMPLETE, + SERVER_FINISHED_COMPLETE, + + CLIENT_HELLO_COMPLETE, + CLIENT_KEYEXCHANGE_COMPLETE, + CLIENT_FINISHED_COMPLETE, + + HANDSHAKE_DONE +}; + + +#if defined(__GNUC__) + #define CYASSL_PACK __attribute__ ((packed)) +#else + #define CYASSL_PACK +#endif + +/* SSL Version */ +typedef struct ProtocolVersion { + byte major; + byte minor; +} CYASSL_PACK ProtocolVersion; + + +CYASSL_LOCAL ProtocolVersion MakeSSLv3(void); +CYASSL_LOCAL ProtocolVersion MakeTLSv1(void); +CYASSL_LOCAL ProtocolVersion MakeTLSv1_1(void); +CYASSL_LOCAL ProtocolVersion MakeTLSv1_2(void); + +#ifdef CYASSL_DTLS + CYASSL_LOCAL ProtocolVersion MakeDTLSv1(void); + CYASSL_LOCAL ProtocolVersion MakeDTLSv1_2(void); +#endif + + +enum BIO_TYPE { + BIO_BUFFER = 1, + BIO_SOCKET = 2, + BIO_SSL = 3, + BIO_MEMORY = 4 +}; + + +/* CyaSSL BIO_METHOD type */ +struct CYASSL_BIO_METHOD { + byte type; /* method type */ +}; + + +/* CyaSSL BIO type */ +struct CYASSL_BIO { + byte type; /* method type */ + byte close; /* close flag */ + byte eof; /* eof flag */ + CYASSL* ssl; /* possible associated ssl */ + byte* mem; /* memory buffer */ + int memLen; /* memory buffer length */ + int fd; /* possible file descriptor */ + CYASSL_BIO* prev; /* previous in chain */ + CYASSL_BIO* next; /* next in chain */ +}; + + +/* CyaSSL method type */ +struct CYASSL_METHOD { + ProtocolVersion version; + byte side; /* connection side, server or client */ + byte downgrade; /* whether to downgrade version, default no */ +}; + + +/* defautls to client */ +CYASSL_LOCAL void InitSSL_Method(CYASSL_METHOD*, ProtocolVersion); + +/* for sniffer */ +CYASSL_LOCAL int DoFinished(CYASSL* ssl, const byte* input, word32* inOutIdx, + word32 size, word32 totalSz, int sniff); +CYASSL_LOCAL int DoApplicationData(CYASSL* ssl, byte* input, word32* inOutIdx); + + +/* CyaSSL buffer type */ +typedef struct buffer { + word32 length; + byte* buffer; +} buffer; + + +enum { + FORCED_FREE = 1, + NO_FORCED_FREE = 0 +}; + + +/* only use compression extra if using compression */ +#ifdef HAVE_LIBZ + #define COMP_EXTRA MAX_COMP_EXTRA +#else + #define COMP_EXTRA 0 +#endif + +/* only the sniffer needs space in the buffer for extra MTU record(s) */ +#ifdef CYASSL_SNIFFER + #define MTU_EXTRA MAX_MTU * 3 +#else + #define MTU_EXTRA 0 +#endif + + +/* embedded callbacks require large static buffers, make sure on */ +#ifdef CYASSL_CALLBACKS + #undef LARGE_STATIC_BUFFERS + #define LARGE_STATIC_BUFFERS +#endif + + +/* give user option to use 16K static buffers */ +#if defined(LARGE_STATIC_BUFFERS) + #define RECORD_SIZE MAX_RECORD_SIZE +#else + #ifdef CYASSL_DTLS + #define RECORD_SIZE MAX_MTU + #else + #define RECORD_SIZE 128 + #endif +#endif + + +/* user option to turn off 16K output option */ +/* if using small static buffers (default) and SSL_write tries to write data + larger than the record we have, dynamically get it, unless user says only + write in static buffer chuncks */ +#ifndef STATIC_CHUNKS_ONLY + #define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE +#else + #define OUTPUT_RECORD_SIZE RECORD_SIZE +#endif + +/* CyaSSL input buffer + + RFC 2246: + + length + The length (in bytes) of the following TLSPlaintext.fragment. + The length should not exceed 2^14. +*/ +#if defined(LARGE_STATIC_BUFFERS) + #define STATIC_BUFFER_LEN RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \ + MTU_EXTRA + MAX_MSG_EXTRA +#else + /* don't fragment memory from the record header */ + #define STATIC_BUFFER_LEN RECORD_HEADER_SZ +#endif + +typedef struct { + word32 length; /* total buffer length used */ + word32 idx; /* idx to part of length already consumed */ + byte* buffer; /* place holder for static or dynamic buffer */ + word32 bufferSize; /* current buffer size */ + ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN]; + byte dynamicFlag; /* dynamic memory currently in use */ + byte offset; /* alignment offset attempt */ +} bufferStatic; + +/* Cipher Suites holder */ +typedef struct Suites { + int setSuites; /* user set suites from default */ + byte suites[MAX_SUITE_SZ]; + word16 suiteSz; /* suite length in bytes */ + byte hashSigAlgo[HELLO_EXT_SIGALGO_MAX]; /* sig/algo to offer */ + word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */ + byte hashAlgo; /* selected hash algorithm */ + byte sigAlgo; /* selected sig algorithm */ +} Suites; + + +CYASSL_LOCAL +void InitSuites(Suites*, ProtocolVersion, + byte, byte, byte, byte, byte, byte, int); +CYASSL_LOCAL +int SetCipherList(Suites*, const char* list); + +#ifndef PSK_TYPES_DEFINED + typedef unsigned int (*psk_client_callback)(CYASSL*, const char*, char*, + unsigned int, unsigned char*, unsigned int); + typedef unsigned int (*psk_server_callback)(CYASSL*, const char*, + unsigned char*, unsigned int); +#endif /* PSK_TYPES_DEFINED */ + + +#ifndef CYASSL_USER_IO + /* default IO callbacks */ + CYASSL_LOCAL + int EmbedReceive(CYASSL *ssl, char *buf, int sz, void *ctx); + CYASSL_LOCAL + int EmbedSend(CYASSL *ssl, char *buf, int sz, void *ctx); + + #ifdef HAVE_OCSP + CYASSL_LOCAL + int EmbedOcspLookup(void*, const char*, int, byte*, int, byte**); + CYASSL_LOCAL + void EmbedOcspRespFree(void*, byte*); + #endif + + #ifdef CYASSL_DTLS + CYASSL_LOCAL + int EmbedReceiveFrom(CYASSL *ssl, char *buf, int sz, void *ctx); + CYASSL_LOCAL + int EmbedSendTo(CYASSL *ssl, char *buf, int sz, void *ctx); + CYASSL_LOCAL + int EmbedGenerateCookie(CYASSL* ssl, byte *buf, int sz, void *ctx); + CYASSL_LOCAL + int IsUDP(void*); + #endif /* CYASSL_DTLS */ +#endif /* CYASSL_USER_IO */ + +#ifdef HAVE_NETX + CYASSL_LOCAL int NetX_Receive(CYASSL *ssl, char *buf, int sz, void *ctx); + CYASSL_LOCAL int NetX_Send(CYASSL *ssl, char *buf, int sz, void *ctx); +#endif /* HAVE_NETX */ + + +/* CyaSSL Cipher type just points back to SSL */ +struct CYASSL_CIPHER { + CYASSL* ssl; +}; + + +typedef struct OCSP_Entry OCSP_Entry; + +#ifdef SHA_DIGEST_SIZE + #define OCSP_DIGEST_SIZE SHA_DIGEST_SIZE +#else + #define OCSP_DIGEST_SIZE 160 +#endif + +#ifdef NO_ASN + /* no_asn won't have */ + typedef struct CertStatus CertStatus; +#endif + +struct OCSP_Entry { + OCSP_Entry* next; /* next entry */ + byte issuerHash[OCSP_DIGEST_SIZE]; /* issuer hash */ + byte issuerKeyHash[OCSP_DIGEST_SIZE]; /* issuer public key hash */ + CertStatus* status; /* OCSP response list */ + int totalStatus; /* number on list */ +}; + + +#ifndef HAVE_OCSP + typedef struct CYASSL_OCSP CYASSL_OCSP; +#endif + +/* CyaSSL OCSP controller */ +struct CYASSL_OCSP { + CYASSL_CERT_MANAGER* cm; /* pointer back to cert manager */ + OCSP_Entry* ocspList; /* OCSP response list */ + CyaSSL_Mutex ocspLock; /* OCSP list lock */ +}; + +#ifndef MAX_DATE_SIZE +#define MAX_DATE_SIZE 32 +#endif + +typedef struct CRL_Entry CRL_Entry; + +#ifdef SHA_DIGEST_SIZE + #define CRL_DIGEST_SIZE SHA_DIGEST_SIZE +#else + #define CRL_DIGEST_SIZE 160 +#endif + +#ifdef NO_ASN + typedef struct RevokedCert RevokedCert; +#endif + +/* Complete CRL */ +struct CRL_Entry { + CRL_Entry* next; /* next entry */ + byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */ + /* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */ + /* restore the hash here if needed for optimized comparisons */ + byte lastDate[MAX_DATE_SIZE]; /* last date updated */ + byte nextDate[MAX_DATE_SIZE]; /* next update date */ + byte lastDateFormat; /* last date format */ + byte nextDateFormat; /* next date format */ + RevokedCert* certs; /* revoked cert list */ + int totalCerts; /* number on list */ +}; + + +typedef struct CRL_Monitor CRL_Monitor; + +/* CRL directory monitor */ +struct CRL_Monitor { + char* path; /* full dir path, if valid pointer we're using */ + int type; /* PEM or ASN1 type */ +}; + + +#ifndef HAVE_CRL + typedef struct CYASSL_CRL CYASSL_CRL; +#endif + +/* CyaSSL CRL controller */ +struct CYASSL_CRL { + CYASSL_CERT_MANAGER* cm; /* pointer back to cert manager */ + CRL_Entry* crlList; /* our CRL list */ + CyaSSL_Mutex crlLock; /* CRL list lock */ + CRL_Monitor monitors[2]; /* PEM and DER possible */ +#ifdef HAVE_CRL_MONITOR + pthread_t tid; /* monitoring thread */ +#endif +}; + + +#ifdef NO_ASN + typedef struct Signer Signer; +#endif + + +#ifndef CA_TABLE_SIZE + #define CA_TABLE_SIZE 11 +#endif + +/* CyaSSL Certificate Manager */ +struct CYASSL_CERT_MANAGER { + Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */ + CyaSSL_Mutex caLock; /* CA list lock */ + CallbackCACache caCacheCallback; /* CA cache addition callback */ + void* heap; /* heap helper */ + CYASSL_CRL* crl; /* CRL checker */ + byte crlEnabled; /* is CRL on ? */ + byte crlCheckAll; /* always leaf, but all ? */ + CbMissingCRL cbMissingCRL; /* notify through cb of missing crl */ + CYASSL_OCSP* ocsp; /* OCSP checker */ + byte ocspEnabled; /* is OCSP on ? */ + byte ocspSendNonce; /* send the OCSP nonce ? */ + byte ocspUseOverrideURL; /* ignore cert's responder, override */ + char* ocspOverrideURL; /* use this responder */ + void* ocspIOCtx; /* I/O callback CTX */ + CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */ + CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */ +}; + +CYASSL_LOCAL int CM_SaveCertCache(CYASSL_CERT_MANAGER*, const char*); +CYASSL_LOCAL int CM_RestoreCertCache(CYASSL_CERT_MANAGER*, const char*); +CYASSL_LOCAL int CM_MemSaveCertCache(CYASSL_CERT_MANAGER*, void*, int, int*); +CYASSL_LOCAL int CM_MemRestoreCertCache(CYASSL_CERT_MANAGER*, const void*, int); +CYASSL_LOCAL int CM_GetCertCacheMemSize(CYASSL_CERT_MANAGER*); + +/* CyaSSL Sock Addr */ +struct CYASSL_SOCKADDR { + unsigned int sz; /* sockaddr size */ + void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */ +}; + +typedef struct CYASSL_DTLS_CTX { + CYASSL_SOCKADDR peer; + int fd; +} CYASSL_DTLS_CTX; + +/* RFC 6066 TLS Extensions */ +#ifdef HAVE_TLS_EXTENSIONS + +typedef enum { + SERVER_NAME_INDICATION = 0, + MAX_FRAGMENT_LENGTH = 1, + TRUNCATED_HMAC = 4, + ELLIPTIC_CURVES = 10 +} TLSX_Type; + +typedef struct TLSX { + TLSX_Type type; /* Extension Type */ + void* data; /* Extension Data */ + byte resp; /* IsResponse Flag */ + struct TLSX* next; /* List Behavior */ +} TLSX; + +CYASSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type); +CYASSL_LOCAL void TLSX_FreeAll(TLSX* list); + +#ifndef NO_CYASSL_CLIENT +CYASSL_LOCAL word16 TLSX_GetRequestSize(CYASSL* ssl); +CYASSL_LOCAL word16 TLSX_WriteRequest(CYASSL* ssl, byte* output); +#endif + +#ifndef NO_CYASSL_SERVER +CYASSL_LOCAL word16 TLSX_GetResponseSize(CYASSL* ssl); +CYASSL_LOCAL word16 TLSX_WriteResponse(CYASSL* ssl, byte* output); +#endif + +CYASSL_LOCAL int TLSX_Parse(CYASSL* ssl, byte* input, word16 length, + byte isRequest, Suites *suites); + +/* Server Name Indication */ +#ifdef HAVE_SNI + +typedef struct SNI { + byte type; /* SNI Type */ + union { char* host_name; } data; /* SNI Data */ + struct SNI* next; /* List Behavior */ +#ifndef NO_CYASSL_SERVER + byte options; /* Behaviour options */ + byte status; /* Matching result */ +#endif +} SNI; + +CYASSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data, + word16 size); + +#ifndef NO_CYASSL_SERVER +CYASSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type, + byte options); +CYASSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type); +CYASSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type, + void** data); +CYASSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz, + byte type, byte* sni, word32* inOutSz); +#endif + +#endif /* HAVE_SNI */ + +/* Maximum Fragment Length */ +#ifdef HAVE_MAX_FRAGMENT + +CYASSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl); + +#endif /* HAVE_MAX_FRAGMENT */ + +#ifdef HAVE_TRUNCATED_HMAC + +CYASSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions); + +#endif /* HAVE_TRUNCATED_HMAC */ + +#ifdef HAVE_SUPPORTED_CURVES + +typedef struct EllipticCurve { + word16 name; /* CurveNames */ + struct EllipticCurve* next; /* List Behavior */ + +} EllipticCurve; + +CYASSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name); + +#ifndef NO_CYASSL_SERVER +CYASSL_LOCAL int TLSX_ValidateEllipticCurves(CYASSL* ssl, byte first, + byte second); +#endif + +#endif /* HAVE_SUPPORTED_CURVES */ + +#endif /* HAVE_TLS_EXTENSIONS */ + +/* CyaSSL context type */ +struct CYASSL_CTX { + CYASSL_METHOD* method; + CyaSSL_Mutex countMutex; /* reference count mutex */ + int refCount; /* reference count */ +#ifndef NO_CERTS + buffer certificate; + buffer certChain; + /* chain after self, in DER, with leading size for each cert */ + buffer privateKey; + buffer serverDH_P; + buffer serverDH_G; + CYASSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */ +#endif + Suites suites; + void* heap; /* for user memory overrides */ + byte verifyPeer; + byte verifyNone; + byte failNoCert; + byte sessionCacheOff; + byte sessionCacheFlushOff; + byte sendVerify; /* for client side */ + byte haveRSA; /* RSA available */ + byte haveDH; /* server DH parms set by user */ + byte haveNTRU; /* server private NTRU key loaded */ + byte haveECDSAsig; /* server cert signed w/ ECDSA */ + byte haveStaticECC; /* static server ECC private key */ + byte partialWrite; /* only one msg per write call */ + byte quietShutdown; /* don't send close notify */ + byte groupMessages; /* group handshake messages before sending */ + CallbackIORecv CBIORecv; + CallbackIOSend CBIOSend; +#ifdef CYASSL_DTLS + CallbackGenCookie CBIOCookie; /* gen cookie callback */ +#endif + VerifyCallback verifyCallback; /* cert verification callback */ + word32 timeout; /* session timeout */ +#ifdef HAVE_ECC + word16 eccTempKeySz; /* in octets 20 - 66 */ + word32 pkCurveOID; /* curve Ecc_Sum */ +#endif +#ifndef NO_PSK + byte havePSK; /* psk key set by user */ + psk_client_callback client_psk_cb; /* client callback */ + psk_server_callback server_psk_cb; /* server callback */ + char server_hint[MAX_PSK_ID_LEN]; +#endif /* NO_PSK */ +#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) + pem_password_cb passwd_cb; + void* userdata; +#endif /* OPENSSL_EXTRA */ +#ifdef HAVE_OCSP + CYASSL_OCSP ocsp; +#endif +#ifdef HAVE_CAVIUM + int devId; /* cavium device id to use */ +#endif +#ifdef HAVE_TLS_EXTENSIONS + TLSX* extensions; /* RFC 6066 TLS Extensions data */ +#endif +#ifdef ATOMIC_USER + CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */ + CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */ +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + CallbackEccSign EccSignCb; /* User EccSign Callback handler */ + CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */ + #endif /* HAVE_ECC */ + #ifndef NO_RSA + CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler */ + CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler */ + CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */ + CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +}; + + +CYASSL_LOCAL +int InitSSL_Ctx(CYASSL_CTX*, CYASSL_METHOD*); +CYASSL_LOCAL +void FreeSSL_Ctx(CYASSL_CTX*); +CYASSL_LOCAL +void SSL_CtxResourceFree(CYASSL_CTX*); + +CYASSL_LOCAL +int DeriveTlsKeys(CYASSL* ssl); +CYASSL_LOCAL +int ProcessOldClientHello(CYASSL* ssl, const byte* input, word32* inOutIdx, + word32 inSz, word16 sz); +#ifndef NO_CERTS + CYASSL_LOCAL + int AddCA(CYASSL_CERT_MANAGER* ctx, buffer der, int type, int verify); + CYASSL_LOCAL + int AlreadySigner(CYASSL_CERT_MANAGER* cm, byte* hash); +#endif + +/* All cipher suite related info */ +typedef struct CipherSpecs { + byte bulk_cipher_algorithm; + byte cipher_type; /* block, stream, or aead */ + byte mac_algorithm; + byte kea; /* key exchange algo */ + byte sig_algo; + byte hash_size; + byte pad_size; + byte static_ecdh; + word16 key_size; + word16 iv_size; + word16 block_size; + word16 aead_mac_size; +} CipherSpecs; + + +void InitCipherSpecs(CipherSpecs* cs); + + +/* Supported Message Authentication Codes from page 43 */ +enum MACAlgorithm { + no_mac, + md5_mac, + sha_mac, + sha224_mac, + sha256_mac, + sha384_mac, + sha512_mac, + rmd_mac, + blake2b_mac +}; + + +/* Supported Key Exchange Protocols */ +enum KeyExchangeAlgorithm { + no_kea, + rsa_kea, + diffie_hellman_kea, + fortezza_kea, + psk_kea, + ntru_kea, + ecc_diffie_hellman_kea, + ecc_static_diffie_hellman_kea /* for verify suite only */ +}; + + +/* Supported Authentication Schemes */ +enum SignatureAlgorithm { + anonymous_sa_algo, + rsa_sa_algo, + dsa_sa_algo, + ecc_dsa_sa_algo +}; + + +/* Supprted ECC Curve Types */ +enum EccCurves { + named_curve = 3 +}; + + +/* Supprted ECC Named Curves */ +enum EccNamedCurves { + secp256r1 = 0x17, /* default, OpenSSL also calls it prime256v1 */ + secp384r1 = 0x18, + secp521r1 = 0x19, + + secp160r1 = 0x10, + secp192r1 = 0x13, /* Openssl also call it prime192v1 */ + secp224r1 = 0x15 +}; + + +/* Valid client certificate request types from page 27 */ +enum ClientCertificateType { + rsa_sign = 1, + dss_sign = 2, + rsa_fixed_dh = 3, + dss_fixed_dh = 4, + rsa_ephemeral_dh = 5, + dss_ephemeral_dh = 6, + fortezza_kea_cert = 20 +}; + + +enum CipherType { stream, block, aead }; + + +#ifdef CYASSL_DTLS + + #ifdef WORD64_AVAILABLE + typedef word64 DtlsSeq; + #else + typedef word32 DtlsSeq; + #endif + #define DTLS_SEQ_BITS (sizeof(DtlsSeq) * CHAR_BIT) + + typedef struct DtlsState { + DtlsSeq window; /* Sliding window for current epoch */ + word16 nextEpoch; /* Expected epoch in next record */ + word32 nextSeq; /* Expected sequence in next record */ + + word16 curEpoch; /* Received epoch in current record */ + word32 curSeq; /* Received sequence in current record */ + + DtlsSeq prevWindow; /* Sliding window for old epoch */ + word32 prevSeq; /* Next sequence in allowed old epoch */ + } DtlsState; + +#endif /* CYASSL_DTLS */ + + +/* keys and secrets */ +typedef struct Keys { + byte client_write_MAC_secret[MAX_DIGEST_SIZE]; /* max sizes */ + byte server_write_MAC_secret[MAX_DIGEST_SIZE]; + byte client_write_key[AES_256_KEY_SIZE]; /* max sizes */ + byte server_write_key[AES_256_KEY_SIZE]; + byte client_write_IV[AES_IV_SIZE]; /* max sizes */ + byte server_write_IV[AES_IV_SIZE]; +#ifdef HAVE_AEAD + byte aead_exp_IV[AEAD_EXP_IV_SZ]; + byte aead_enc_imp_IV[AEAD_IMP_IV_SZ]; + byte aead_dec_imp_IV[AEAD_IMP_IV_SZ]; +#endif + + word32 peer_sequence_number; + word32 sequence_number; + +#ifdef CYASSL_DTLS + DtlsState dtls_state; /* Peer's state */ + word16 dtls_peer_handshake_number; + word16 dtls_expected_peer_handshake_number; + + word16 dtls_epoch; /* Current tx epoch */ + word32 dtls_sequence_number; /* Current tx sequence */ + word16 dtls_handshake_number; /* Current tx handshake seq */ +#endif + + word32 encryptSz; /* last size of encrypted data */ + word32 padSz; /* how much to advance after decrypt part */ + byte encryptionOn; /* true after change cipher spec */ + byte decryptedCur; /* only decrypt current record once */ +} Keys; + + +/* cipher for now */ +typedef struct Ciphers { +#ifdef BUILD_ARC4 + Arc4* arc4; +#endif +#ifdef BUILD_DES3 + Des3* des3; +#endif +#if defined(BUILD_AES) || defined(BUILD_AESGCM) + Aes* aes; +#endif +#ifdef HAVE_CAMELLIA + Camellia* cam; +#endif +#ifdef HAVE_HC128 + HC128* hc128; +#endif +#ifdef BUILD_RABBIT + Rabbit* rabbit; +#endif + byte setup; /* have we set it up flag for detection */ +} Ciphers; + + +CYASSL_LOCAL void InitCiphers(CYASSL* ssl); +CYASSL_LOCAL void FreeCiphers(CYASSL* ssl); + + +/* hashes type */ +typedef struct Hashes { + #ifndef NO_OLD_TLS + byte md5[MD5_DIGEST_SIZE]; + #endif + byte sha[SHA_DIGEST_SIZE]; + #ifndef NO_SHA256 + byte sha256[SHA256_DIGEST_SIZE]; + #endif + #ifdef CYASSL_SHA384 + byte sha384[SHA384_DIGEST_SIZE]; + #endif +} Hashes; + + +/* Static x509 buffer */ +typedef struct x509_buffer { + int length; /* actual size */ + byte buffer[MAX_X509_SIZE]; /* max static cert size */ +} x509_buffer; + + +/* CyaSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */ +struct CYASSL_X509_CHAIN { + int count; /* total number in chain */ + x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */ +}; + + +/* CyaSSL session type */ +struct CYASSL_SESSION { + byte sessionID[ID_LEN]; /* id for protocol */ + byte masterSecret[SECRET_LEN]; /* stored secret */ + word32 bornOn; /* create time in seconds */ + word32 timeout; /* timeout in seconds */ +#ifdef SESSION_CERTS + CYASSL_X509_CHAIN chain; /* peer cert chain, static */ + ProtocolVersion version; /* which version was used */ + byte cipherSuite0; /* first byte, normally 0 */ + byte cipherSuite; /* 2nd byte, actual suite */ +#endif +#ifndef NO_CLIENT_CACHE + byte serverID[SERVER_ID_LEN]; /* for easier client lookup */ + word16 idLen; /* serverID length */ +#endif +}; + + +CYASSL_LOCAL +CYASSL_SESSION* GetSession(CYASSL*, byte*); +CYASSL_LOCAL +int SetSession(CYASSL*, CYASSL_SESSION*); + +typedef int (*hmacfp) (CYASSL*, byte*, const byte*, word32, int, int); + +#ifndef NO_CLIENT_CACHE + CYASSL_SESSION* GetSessionClient(CYASSL*, const byte*, int); +#endif + +/* client connect state for nonblocking restart */ +enum ConnectState { + CONNECT_BEGIN = 0, + CLIENT_HELLO_SENT, + HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */ + HELLO_AGAIN_REPLY, + FIRST_REPLY_DONE, + FIRST_REPLY_FIRST, + FIRST_REPLY_SECOND, + FIRST_REPLY_THIRD, + FIRST_REPLY_FOURTH, + FINISHED_DONE, + SECOND_REPLY_DONE +}; + + +/* server accept state for nonblocking restart */ +enum AcceptState { + ACCEPT_BEGIN = 0, + ACCEPT_CLIENT_HELLO_DONE, + HELLO_VERIFY_SENT, + ACCEPT_FIRST_REPLY_DONE, + SERVER_HELLO_SENT, + CERT_SENT, + KEY_EXCHANGE_SENT, + CERT_REQ_SENT, + SERVER_HELLO_DONE, + ACCEPT_SECOND_REPLY_DONE, + CHANGE_CIPHER_SENT, + ACCEPT_FINISHED_DONE, + ACCEPT_THIRD_REPLY_DONE +}; + + +typedef struct Buffers { +#ifndef NO_CERTS + buffer certificate; /* CYASSL_CTX owns, unless we own */ + buffer key; /* CYASSL_CTX owns, unless we own */ + buffer certChain; /* CYASSL_CTX owns */ + /* chain after self, in DER, with leading size for each cert */ + buffer serverDH_P; /* CYASSL_CTX owns, unless we own */ + buffer serverDH_G; /* CYASSL_CTX owns, unless we own */ + buffer serverDH_Pub; + buffer serverDH_Priv; +#endif + buffer domainName; /* for client check */ + bufferStatic inputBuffer; + bufferStatic outputBuffer; + buffer clearOutputBuffer; + int prevSent; /* previous plain text bytes sent + when got WANT_WRITE */ + int plainSz; /* plain text bytes in buffer to send + when got WANT_WRITE */ + byte weOwnCert; /* SSL own cert flag */ + byte weOwnKey; /* SSL own key flag */ + byte weOwnDH; /* SSL own dh (p,g) flag */ +#ifdef CYASSL_DTLS + CYASSL_DTLS_CTX dtlsCtx; /* DTLS connection context */ +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */ + #endif /* HAVE_ECC */ + #ifndef NO_RSA + buffer peerRsaKey; /* we own for Rsa Verify Callbacks */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +} Buffers; + +typedef struct Options { + byte sessionCacheOff; + byte sessionCacheFlushOff; + byte cipherSuite0; /* first byte, normally 0 */ + byte cipherSuite; /* second byte, actual suite */ + byte serverState; + byte clientState; + byte handShakeState; + byte side; /* client or server end */ + byte verifyPeer; + byte verifyNone; + byte failNoCert; + byte downgrade; /* allow downgrade of versions */ + byte sendVerify; /* false = 0, true = 1, sendBlank = 2 */ + byte resuming; + byte haveSessionId; /* server may not send */ + byte tls; /* using TLS ? */ + byte tls1_1; /* using TLSv1.1+ ? */ + byte dtls; /* using datagrams ? */ + byte connReset; /* has the peer reset */ + byte isClosed; /* if we consider conn closed */ + byte closeNotify; /* we've recieved a close notify */ + byte sentNotify; /* we've sent a close notify */ + byte connectState; /* nonblocking resume */ + byte acceptState; /* nonblocking resume */ + byte usingCompression; /* are we using compression */ + byte haveRSA; /* RSA available */ + byte haveDH; /* server DH parms set by user */ + byte haveNTRU; /* server NTRU private key loaded */ + byte haveECDSAsig; /* server ECDSA signed cert */ + byte haveStaticECC; /* static server ECC private key */ + byte havePeerCert; /* do we have peer's cert */ + byte havePeerVerify; /* and peer's cert verify */ + byte usingPSK_cipher; /* whether we're using psk as cipher */ + byte sendAlertState; /* nonblocking resume */ + byte processReply; /* nonblocking resume */ + byte partialWrite; /* only one msg per write call */ + byte quietShutdown; /* don't send close notify */ + byte certOnly; /* stop once we get cert */ + byte groupMessages; /* group handshake messages */ + byte usingNonblock; /* set when using nonblocking socket */ + byte saveArrays; /* save array Memory for user get keys + or psk */ +#ifndef NO_PSK + byte havePSK; /* psk key set by user */ + psk_client_callback client_psk_cb; + psk_server_callback server_psk_cb; +#endif /* NO_PSK */ +} Options; + +typedef struct Arrays { + byte clientRandom[RAN_LEN]; + byte serverRandom[RAN_LEN]; + byte sessionID[ID_LEN]; + byte preMasterSecret[ENCRYPT_LEN]; + byte masterSecret[SECRET_LEN]; +#ifdef CYASSL_DTLS + byte cookie[MAX_COOKIE_LEN]; + byte cookieSz; +#endif +#ifndef NO_PSK + char client_identity[MAX_PSK_ID_LEN]; + char server_hint[MAX_PSK_ID_LEN]; + byte psk_key[MAX_PSK_KEY_LEN]; + word32 psk_keySz; /* acutal size */ +#endif + word32 preMasterSz; /* differs for DH, actual size */ +} Arrays; + +#ifndef ASN_NAME_MAX +#define ASN_NAME_MAX 256 +#endif + +#ifndef MAX_DATE_SZ +#define MAX_DATE_SZ 32 +#endif + +struct CYASSL_X509_NAME { + char *name; + char staticName[ASN_NAME_MAX]; + int dynamicName; + int sz; +#ifdef OPENSSL_EXTRA + DecodedName fullName; +#endif /* OPENSSL_EXTRA */ +}; + +#ifndef EXTERNAL_SERIAL_SIZE + #define EXTERNAL_SERIAL_SIZE 32 +#endif + +#ifdef NO_ASN + typedef struct DNS_entry DNS_entry; +#endif + +struct CYASSL_X509 { + int version; + CYASSL_X509_NAME issuer; + CYASSL_X509_NAME subject; + int serialSz; + byte serial[EXTERNAL_SERIAL_SIZE]; + char subjectCN[ASN_NAME_MAX]; /* common name short cut */ +#ifdef CYASSL_SEP + int deviceTypeSz; + byte deviceType[EXTERNAL_SERIAL_SIZE]; + int hwTypeSz; + byte hwType[EXTERNAL_SERIAL_SIZE]; + int hwSerialNumSz; + byte hwSerialNum[EXTERNAL_SERIAL_SIZE]; + #ifdef OPENSSL_EXTRA + byte certPolicySet; + byte certPolicyCrit; + #endif /* OPENSSL_EXTRA */ +#endif + int notBeforeSz; + byte notBefore[MAX_DATE_SZ]; + int notAfterSz; + byte notAfter[MAX_DATE_SZ]; + int sigOID; + buffer sig; + int pubKeyOID; + buffer pubKey; + #ifdef HAVE_ECC + word32 pkCurveOID; + #endif /* HAVE_ECC */ + buffer derCert; /* may need */ + DNS_entry* altNames; /* alt names list */ + DNS_entry* altNamesNext; /* hint for retrieval */ + byte dynamicMemory; /* dynamic memory flag */ + byte isCa; +#ifdef OPENSSL_EXTRA + word32 pathLength; + word16 keyUsage; + byte basicConstSet; + byte basicConstCrit; + byte basicConstPlSet; + byte subjAltNameSet; + byte subjAltNameCrit; + byte authKeyIdSet; + byte authKeyIdCrit; + byte* authKeyId; + word32 authKeyIdSz; + byte subjKeyIdSet; + byte subjKeyIdCrit; + byte* subjKeyId; + word32 subjKeyIdSz; + byte keyUsageSet; + byte keyUsageCrit; +#endif /* OPENSSL_EXTRA */ +}; + + +/* record layer header for PlainText, Compressed, and CipherText */ +typedef struct RecordLayerHeader { + byte type; + byte pvMajor; + byte pvMinor; + byte length[2]; +} RecordLayerHeader; + + +/* record layer header for DTLS PlainText, Compressed, and CipherText */ +typedef struct DtlsRecordLayerHeader { + byte type; + byte pvMajor; + byte pvMinor; + byte epoch[2]; /* increment on cipher state change */ + byte sequence_number[6]; /* per record */ + byte length[2]; +} DtlsRecordLayerHeader; + + +typedef struct DtlsPool { + buffer buf[DTLS_POOL_SZ]; + int used; +} DtlsPool; + +typedef struct DtlsMsg { + struct DtlsMsg* next; + word32 seq; /* Handshake sequence number */ + word32 sz; /* Length of whole mesage */ + word32 fragSz; /* Length of fragments received */ + byte type; + byte* buf; + byte* msg; +} DtlsMsg; + + +#ifdef HAVE_NETX + + /* NETX I/O Callback default */ + typedef struct NetX_Ctx { + NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */ + NX_PACKET* nxPacket; /* incoming packet handle for short reads */ + ULONG nxOffset; /* offset already read from nxPacket */ + ULONG nxWait; /* wait option flag */ + } NetX_Ctx; + +#endif + + +/* CyaSSL ssl type */ +struct CYASSL { + CYASSL_CTX* ctx; + int error; + ProtocolVersion version; /* negotiated version */ + ProtocolVersion chVersion; /* client hello version */ + Suites* suites; /* only need during handshake */ + Ciphers encrypt; + Ciphers decrypt; + CipherSpecs specs; + Keys keys; + int rfd; /* read file descriptor */ + int wfd; /* write file descriptor */ + int rflags; /* user read flags */ + int wflags; /* user write flags */ + CYASSL_BIO* biord; /* socket bio read to free/close */ + CYASSL_BIO* biowr; /* socket bio write to free/close */ + void* IOCB_ReadCtx; + void* IOCB_WriteCtx; + RNG* rng; +#ifndef NO_OLD_TLS +#ifndef NO_SHA + Sha hashSha; /* sha hash of handshake msgs */ +#endif +#ifndef NO_MD5 + Md5 hashMd5; /* md5 hash of handshake msgs */ +#endif +#endif +#ifndef NO_SHA256 + Sha256 hashSha256; /* sha256 hash of handshake msgs */ +#endif +#ifdef CYASSL_SHA384 + Sha384 hashSha384; /* sha384 hash of handshake msgs */ +#endif + Hashes verifyHashes; + Hashes certHashes; /* for cert verify */ + Buffers buffers; + Options options; + Arrays* arrays; + CYASSL_SESSION session; + VerifyCallback verifyCallback; /* cert verification callback */ + void* verifyCbCtx; /* cert verify callback user ctx*/ +#ifndef NO_RSA + RsaKey* peerRsaKey; + byte peerRsaKeyPresent; +#endif +#ifdef HAVE_NTRU + word16 peerNtruKeyLen; + byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ]; + byte peerNtruKeyPresent; +#endif +#ifdef HAVE_ECC + ecc_key* peerEccKey; /* peer's ECDHE key */ + ecc_key* peerEccDsaKey; /* peer's ECDSA key */ + ecc_key* eccTempKey; /* private ECDHE key */ + ecc_key* eccDsaKey; /* private ECDSA key */ + word16 eccTempKeySz; /* in octets 20 - 66 */ + word32 pkCurveOID; /* curve Ecc_Sum */ + byte peerEccKeyPresent; + byte peerEccDsaKeyPresent; + byte eccTempKeyPresent; + byte eccDsaKeyPresent; +#endif + hmacfp hmac; + void* heap; /* for user overrides */ + RecordLayerHeader curRL; + word16 curSize; + word32 timeout; /* session timeout */ + CYASSL_CIPHER cipher; +#ifdef HAVE_LIBZ + z_stream c_stream; /* compression stream */ + z_stream d_stream; /* decompression stream */ + byte didStreamInit; /* for stream init and end */ +#endif +#ifdef CYASSL_DTLS + int dtls_timeout_init; /* starting timeout vaule */ + int dtls_timeout_max; /* maximum timeout value */ + int dtls_timeout; /* current timeout value, changes */ + DtlsPool* dtls_pool; + DtlsMsg* dtls_msg_list; + void* IOCB_CookieCtx; /* gen cookie ctx */ + word32 dtls_expected_rx; +#endif +#ifdef CYASSL_CALLBACKS + HandShakeInfo handShakeInfo; /* info saved during handshake */ + TimeoutInfo timeoutInfo; /* info saved during handshake */ + byte hsInfoOn; /* track handshake info */ + byte toInfoOn; /* track timeout info */ +#endif +#ifdef KEEP_PEER_CERT + CYASSL_X509 peerCert; /* X509 peer cert */ +#endif +#ifdef FORTRESS + void* ex_data[MAX_EX_DATA]; /* external data, for Fortress */ +#endif +#ifdef HAVE_CAVIUM + int devId; /* cavium device id to use */ +#endif +#ifdef HAVE_TLS_EXTENSIONS + TLSX* extensions; /* RFC 6066 TLS Extensions data */ +#ifdef HAVE_MAX_FRAGMENT + word16 max_fragment; +#endif +#ifdef HAVE_TRUNCATED_HMAC + byte truncated_hmac; +#endif +#endif +#ifdef HAVE_NETX + NetX_Ctx nxCtx; /* NetX IO Context */ +#endif +#ifdef SESSION_INDEX + int sessionIndex; /* Session's location in the cache. */ +#endif + CYASSL_ALERT_HISTORY alert_history; +#ifdef ATOMIC_USER + void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */ + void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */ +#endif +#ifdef HAVE_PK_CALLBACKS + #ifdef HAVE_ECC + void* EccSignCtx; /* Ecc Sign Callback Context */ + void* EccVerifyCtx; /* Ecc Verify Callback Context */ + #endif /* HAVE_ECC */ + #ifndef NO_RSA + void* RsaSignCtx; /* Rsa Sign Callback Context */ + void* RsaVerifyCtx; /* Rsa Verify Callback Context */ + void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */ + void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */ + #endif /* NO_RSA */ +#endif /* HAVE_PK_CALLBACKS */ +}; + + +CYASSL_LOCAL +int InitSSL(CYASSL*, CYASSL_CTX*); +CYASSL_LOCAL +void FreeSSL(CYASSL*); +CYASSL_API void SSL_ResourceFree(CYASSL*); /* Micrium uses */ + + +enum { + IV_SZ = 32, /* max iv sz */ + NAME_SZ = 80 /* max one line */ +}; + + +typedef struct EncryptedInfo { + char name[NAME_SZ]; /* encryption name */ + byte iv[IV_SZ]; /* encrypted IV */ + word32 ivSz; /* encrypted IV size */ + long consumed; /* tracks PEM bytes consumed */ + byte set; /* if encryption set */ + CYASSL_CTX* ctx; /* CTX owner */ +} EncryptedInfo; + + +#ifndef NO_CERTS + CYASSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type, + buffer* der, void* heap, EncryptedInfo* info, + int* eccKey); + + CYASSL_LOCAL int ProcessFile(CYASSL_CTX* ctx, const char* fname, int format, + int type, CYASSL* ssl, int userChain, + CYASSL_CRL* crl); +#endif + + +#ifdef CYASSL_CALLBACKS + CYASSL_LOCAL + void InitHandShakeInfo(HandShakeInfo*); + CYASSL_LOCAL + void FinishHandShakeInfo(HandShakeInfo*, const CYASSL*); + CYASSL_LOCAL + void AddPacketName(const char*, HandShakeInfo*); + + CYASSL_LOCAL + void InitTimeoutInfo(TimeoutInfo*); + CYASSL_LOCAL + void FreeTimeoutInfo(TimeoutInfo*, void*); + CYASSL_LOCAL + void AddPacketInfo(const char*, TimeoutInfo*, const byte*, int, void*); + CYASSL_LOCAL + void AddLateName(const char*, TimeoutInfo*); + CYASSL_LOCAL + void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info); +#endif + + +/* Record Layer Header identifier from page 12 */ +enum ContentType { + no_type = 0, + change_cipher_spec = 20, + alert = 21, + handshake = 22, + application_data = 23 +}; + + +/* handshake header, same for each message type, pgs 20/21 */ +typedef struct HandShakeHeader { + byte type; + word24 length; +} HandShakeHeader; + + +/* DTLS handshake header, same for each message type */ +typedef struct DtlsHandShakeHeader { + byte type; + word24 length; + byte message_seq[2]; /* start at 0, restransmit gets same # */ + word24 fragment_offset; /* bytes in previous fragments */ + word24 fragment_length; /* length of this fragment */ +} DtlsHandShakeHeader; + + +enum HandShakeType { + no_shake = -1, + hello_request = 0, + client_hello = 1, + server_hello = 2, + hello_verify_request = 3, /* DTLS addition */ + session_ticket = 4, + certificate = 11, + server_key_exchange = 12, + certificate_request = 13, + server_hello_done = 14, + certificate_verify = 15, + client_key_exchange = 16, + finished = 20 +}; + + +static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 }; +static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 }; + +static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished"; +static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished"; + + +/* internal functions */ +CYASSL_LOCAL int SendChangeCipher(CYASSL*); +CYASSL_LOCAL int SendData(CYASSL*, const void*, int); +CYASSL_LOCAL int SendCertificate(CYASSL*); +CYASSL_LOCAL int SendCertificateRequest(CYASSL*); +CYASSL_LOCAL int SendServerKeyExchange(CYASSL*); +CYASSL_LOCAL int SendBuffered(CYASSL*); +CYASSL_LOCAL int ReceiveData(CYASSL*, byte*, int, int); +CYASSL_LOCAL int SendFinished(CYASSL*); +CYASSL_LOCAL int SendAlert(CYASSL*, int, int); +CYASSL_LOCAL int ProcessReply(CYASSL*); + +CYASSL_LOCAL int SetCipherSpecs(CYASSL*); +CYASSL_LOCAL int MakeMasterSecret(CYASSL*); + +CYASSL_LOCAL int AddSession(CYASSL*); +CYASSL_LOCAL int DeriveKeys(CYASSL* ssl); +CYASSL_LOCAL int StoreKeys(CYASSL* ssl, const byte* keyData); + +CYASSL_LOCAL int IsTLS(const CYASSL* ssl); +CYASSL_LOCAL int IsAtLeastTLSv1_2(const CYASSL* ssl); + +CYASSL_LOCAL void FreeHandshakeResources(CYASSL* ssl); +CYASSL_LOCAL void ShrinkInputBuffer(CYASSL* ssl, int forcedFree); +CYASSL_LOCAL void ShrinkOutputBuffer(CYASSL* ssl); + +CYASSL_LOCAL int VerifyClientSuite(CYASSL* ssl); +#ifndef NO_CERTS + CYASSL_LOCAL Signer* GetCA(void* cm, byte* hash); + #ifndef NO_SKID + CYASSL_LOCAL Signer* GetCAByName(void* cm, byte* hash); + #endif +#endif +CYASSL_LOCAL int BuildTlsFinished(CYASSL* ssl, Hashes* hashes, + const byte* sender); +CYASSL_LOCAL void FreeArrays(CYASSL* ssl, int keep); +CYASSL_LOCAL int CheckAvailableSize(CYASSL *ssl, int size); +CYASSL_LOCAL int GrowInputBuffer(CYASSL* ssl, int size, int usedLength); + +#ifndef NO_TLS + CYASSL_LOCAL int MakeTlsMasterSecret(CYASSL*); + CYASSL_LOCAL int TLS_hmac(CYASSL* ssl, byte* digest, const byte* in, + word32 sz, int content, int verify); +#endif + +#ifndef NO_CYASSL_CLIENT + CYASSL_LOCAL int SendClientHello(CYASSL*); + CYASSL_LOCAL int SendClientKeyExchange(CYASSL*); + CYASSL_LOCAL int SendCertificateVerify(CYASSL*); +#endif /* NO_CYASSL_CLIENT */ + +#ifndef NO_CYASSL_SERVER + CYASSL_LOCAL int SendServerHello(CYASSL*); + CYASSL_LOCAL int SendServerHelloDone(CYASSL*); + #ifdef CYASSL_DTLS + CYASSL_LOCAL int SendHelloVerifyRequest(CYASSL*); + #endif +#endif /* NO_CYASSL_SERVER */ + +#ifdef CYASSL_DTLS + CYASSL_LOCAL int DtlsPoolInit(CYASSL*); + CYASSL_LOCAL int DtlsPoolSave(CYASSL*, const byte*, int); + CYASSL_LOCAL int DtlsPoolTimeout(CYASSL*); + CYASSL_LOCAL int DtlsPoolSend(CYASSL*); + CYASSL_LOCAL void DtlsPoolReset(CYASSL*); + + CYASSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*); + CYASSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*); + CYASSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*); + CYASSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte, + word32, word32); + CYASSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32); + CYASSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32, + byte, word32, word32, void*); + CYASSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*); +#endif /* CYASSL_DTLS */ + +#ifndef NO_TLS + + +#endif /* NO_TLS */ + + +CYASSL_LOCAL word32 LowResTimer(void); + +CYASSL_LOCAL void InitX509Name(CYASSL_X509_NAME*, int); +CYASSL_LOCAL void FreeX509Name(CYASSL_X509_NAME* name); +CYASSL_LOCAL void InitX509(CYASSL_X509*, int); +CYASSL_LOCAL void FreeX509(CYASSL_X509*); +#ifndef NO_CERTS + CYASSL_LOCAL int CopyDecodedToX509(CYASSL_X509*, DecodedCert*); +#endif + + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* CyaSSL_INT_H */ + +