2009 lines
65 KiB
C
2009 lines
65 KiB
C
/* internal.h
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*
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* Copyright (C) 2006-2013 wolfSSL Inc.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef CYASSL_INT_H
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#define CYASSL_INT_H
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#include <cyassl/ctaocrypt/types.h>
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#include <cyassl/ssl.h>
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#include <cyassl/crl.h>
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#include <cyassl/ctaocrypt/random.h>
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#include <cyassl/ctaocrypt/des3.h>
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#include <cyassl/ctaocrypt/hc128.h>
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#include <cyassl/ctaocrypt/rabbit.h>
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#include <cyassl/ctaocrypt/asn.h>
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#include <cyassl/ctaocrypt/md5.h>
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#include <cyassl/ctaocrypt/sha.h>
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#include <cyassl/ctaocrypt/aes.h>
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#include <cyassl/ctaocrypt/camellia.h>
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#include <cyassl/ctaocrypt/logging.h>
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#ifndef NO_RC4
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#include <cyassl/ctaocrypt/arc4.h>
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#endif
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#ifdef HAVE_ECC
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#include <cyassl/ctaocrypt/ecc.h>
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#endif
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#ifndef NO_SHA256
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#include <cyassl/ctaocrypt/sha256.h>
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#endif
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#ifdef HAVE_OCSP
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#include <cyassl/ocsp.h>
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#endif
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#ifdef CYASSL_SHA512
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#include <cyassl/ctaocrypt/sha512.h>
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#endif
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#ifdef HAVE_AESGCM
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#include <cyassl/ctaocrypt/sha512.h>
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#endif
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#ifdef CYASSL_RIPEMD
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#include <cyassl/ctaocrypt/ripemd.h>
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#endif
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#ifdef CYASSL_CALLBACKS
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#include <cyassl/callbacks.h>
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#include <signal.h>
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#endif
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#ifdef USE_WINDOWS_API
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#ifdef CYASSL_GAME_BUILD
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#include "system/xtl.h"
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#else
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#if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN)
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/* On WinCE winsock2.h must be included before windows.h */
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#include <winsock2.h>
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#endif
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#include <windows.h>
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#endif
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#elif defined(THREADX)
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#ifndef SINGLE_THREADED
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#include "tx_api.h"
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#endif
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#elif defined(MICRIUM)
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/* do nothing, just don't pick Unix */
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#elif defined(FREERTOS) || defined(CYASSL_SAFERTOS)
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/* do nothing */
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#elif defined(EBSNET)
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/* do nothing */
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#elif defined(FREESCALE_MQX)
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/* do nothing */
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#elif defined(CYASSL_MDK_ARM)
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#include <rtl.h>
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#else
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#ifndef SINGLE_THREADED
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#define CYASSL_PTHREADS
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#include <pthread.h>
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#endif
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#if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS)
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#include <unistd.h> /* for close of BIO */
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#endif
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#endif
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#ifdef HAVE_LIBZ
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#include "zlib.h"
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#endif
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#ifdef _MSC_VER
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/* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
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#pragma warning(disable: 4996)
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#endif
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#ifdef NO_AES
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#if !defined (ALIGN16)
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#define ALIGN16
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#endif
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#endif
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#ifdef NO_SHA
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#define SHA_DIGEST_SIZE 20
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#endif
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#ifdef NO_SHA256
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#define SHA256_DIGEST_SIZE 32
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef USE_WINDOWS_API
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typedef unsigned int SOCKET_T;
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#else
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typedef int SOCKET_T;
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#endif
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typedef byte word24[3];
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/* used by ssl.c and cyassl_int.c */
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void c32to24(word32 in, word24 out);
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/* Define or comment out the cipher suites you'd like to be compiled in
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make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
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When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
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*/
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#if !defined(NO_RSA) && !defined(NO_RC4)
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#if !defined(NO_SHA)
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#define BUILD_SSL_RSA_WITH_RC4_128_SHA
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#endif
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#if !defined(NO_MD5)
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#define BUILD_SSL_RSA_WITH_RC4_128_MD5
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#endif
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#if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA)
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#define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
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#endif
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#endif
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#if !defined(NO_RSA) && !defined(NO_DES3)
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#if !defined(NO_SHA)
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#define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
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#if !defined(NO_TLS) && defined(HAVE_NTRU)
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#define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
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#endif
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#endif
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#endif
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#if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
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#if !defined(NO_SHA)
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#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
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#if defined(HAVE_NTRU)
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#define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
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#endif
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#endif
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#if !defined (NO_SHA256)
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#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
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#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
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#endif
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#if defined (HAVE_AESGCM)
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#define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
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#if defined (CYASSL_SHA384)
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#define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
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#endif
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#endif
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#if defined (HAVE_AESCCM)
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#define BUILD_TLS_RSA_WITH_AES_128_CCM_8
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#define BUILD_TLS_RSA_WITH_AES_256_CCM_8
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#endif
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#endif
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#if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
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#ifndef NO_RSA
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#if !defined(NO_SHA)
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#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
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#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
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#endif
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#ifndef NO_SHA256
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#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
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#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
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#endif
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#if !defined(NO_DH) && defined(OPENSSL_EXTRA)
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#if !defined(NO_SHA)
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#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
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#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
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#endif
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#ifndef NO_SHA256
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#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
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#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
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#endif
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#endif
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#endif
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#endif
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#if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
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#if !defined(NO_SHA)
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#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
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#endif
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#ifndef NO_SHA256
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#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
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#ifdef HAVE_AESCCM
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#define BUILD_TLS_PSK_WITH_AES_128_CCM_8
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#define BUILD_TLS_PSK_WITH_AES_256_CCM_8
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#endif
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#endif
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#endif
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#if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
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#if !defined(NO_RSA)
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#if !defined(NO_SHA)
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#define BUILD_TLS_RSA_WITH_NULL_SHA
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#endif
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#ifndef NO_SHA256
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#define BUILD_TLS_RSA_WITH_NULL_SHA256
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#endif
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#endif
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#if !defined(NO_PSK)
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#if !defined(NO_SHA)
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#define BUILD_TLS_PSK_WITH_NULL_SHA
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#endif
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#ifndef NO_SHA256
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#define BUILD_TLS_PSK_WITH_NULL_SHA256
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#endif
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#endif
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#endif
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#if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
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#define BUILD_TLS_RSA_WITH_HC_128_CBC_MD5
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#if !defined(NO_SHA)
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#define BUILD_TLS_RSA_WITH_HC_128_CBC_SHA
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#endif
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#endif
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#if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA)
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#if !defined(NO_SHA)
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#define BUILD_TLS_RSA_WITH_RABBIT_CBC_SHA
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#endif
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#endif
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#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
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!defined(NO_RSA) && defined(OPENSSL_EXTRA)
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#if !defined(NO_SHA)
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#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
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#endif
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#if !defined (NO_SHA256)
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#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
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#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
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#if defined (HAVE_AESGCM)
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#define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
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#if defined (CYASSL_SHA384)
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#define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
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#endif
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#endif
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#endif
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#endif
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#if defined(HAVE_ECC) && !defined(NO_TLS)
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#if !defined(NO_AES)
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#if !defined(NO_SHA)
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
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#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
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#endif /* NO_SHA */
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#ifndef NO_SHA256
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
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#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
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#endif
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#ifdef CYASSL_SHA384
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
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#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
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#endif
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#if defined (HAVE_AESGCM)
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
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#define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
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#if defined(CYASSL_SHA384)
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#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
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#define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
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#endif
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
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#if defined(CYASS_SHA384)
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
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#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
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#endif
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#endif
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#if defined (HAVE_AESCCM)
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
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#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
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#endif
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#endif /* NO_AES */
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#if !defined(NO_RC4)
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#if !defined(NO_SHA)
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
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#define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
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#define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
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#endif
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#endif
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#if !defined(NO_DES3)
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#if !defined(NO_RSA)
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#define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
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#define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
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#endif
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#define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
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#define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
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#endif
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#endif
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#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
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defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
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#define BUILD_ARC4
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#endif
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#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
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#define BUILD_DES3
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#endif
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#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
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defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
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defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
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#undef BUILD_AES
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#define BUILD_AES
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#endif
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#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
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defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
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#define BUILD_AESGCM
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#endif
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#if defined(BUILD_TLS_RSA_WITH_HC_128_CBC_SHA) || \
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defined(BUILD_TLS_RSA_WITH_HC_128_CBC_MD5)
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#define BUILD_HC128
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#endif
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#if defined(BUILD_TLS_RSA_WITH_RABBIT_CBC_SHA)
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#define BUILD_RABBIT
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#endif
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#ifdef NO_DES3
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#define DES_BLOCK_SIZE 8
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#else
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#undef BUILD_DES3
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#define BUILD_DES3
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#endif
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#ifdef NO_AES
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#define AES_BLOCK_SIZE 16
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#else
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#undef BUILD_AES
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#define BUILD_AES
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#endif
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#ifndef NO_RC4
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#undef BUILD_ARC4
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#define BUILD_ARC4
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#endif
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#if defined(BUILD_AESGCM) || defined(HAVE_AESCCM)
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#define HAVE_AEAD
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#endif
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/* actual cipher values, 2nd byte */
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enum {
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TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39,
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TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33,
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TLS_RSA_WITH_AES_256_CBC_SHA = 0x35,
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TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F,
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TLS_RSA_WITH_NULL_SHA = 0x02,
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TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d,
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TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae,
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TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c,
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TLS_PSK_WITH_NULL_SHA256 = 0xb0,
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TLS_PSK_WITH_NULL_SHA = 0x2c,
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SSL_RSA_WITH_RC4_128_SHA = 0x05,
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SSL_RSA_WITH_RC4_128_MD5 = 0x04,
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SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A,
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/* ECC suites, first byte is 0xC0 (ECC_BYTE) */
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TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14,
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TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13,
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TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A,
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TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09,
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TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11,
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TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07,
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TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12,
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TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
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TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27,
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TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
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TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28,
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TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
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/* static ECDH, first byte is 0xC0 (ECC_BYTE) */
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TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F,
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TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E,
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TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05,
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TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04,
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TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C,
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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_CBC_MD5 = 0xFB,
|
|
TLS_RSA_WITH_HC_128_CBC_SHA = 0xFC,
|
|
TLS_RSA_WITH_RABBIT_CBC_SHA = 0xFD,
|
|
|
|
/* 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 = 0xc6, /* Still TBD, made up */
|
|
TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xc7, /* Still TBD, made up */
|
|
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
|
|
|
|
};
|
|
|
|
|
|
#if defined(CYASSL_SHA384)
|
|
#define MAX_DIGEST_SIZE SHA384_DIGEST_SIZE
|
|
#elif !defined(NO_SHA256)
|
|
#define MAX_DIGEST_SIZE SHA256_DIGEST_SIZE
|
|
#elif !defined(NO_MD5) && !defined(NO_SHA)
|
|
#define MAX_DIGEST_SIZE (SHA_DIGEST_SIZE + MD5_DIGEST_SIZE)
|
|
#else
|
|
#error "You have configured the build so there isn't any hashing."
|
|
#endif
|
|
|
|
|
|
enum Misc {
|
|
SERVER_END = 0,
|
|
CLIENT_END,
|
|
|
|
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 */
|
|
REQUEST_HEADER = 2, /* always use 2 bytes */
|
|
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 */
|
|
OPAQUE16_LEN = 2, /* always 2 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 */
|
|
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 */
|
|
};
|
|
|
|
|
|
/* 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,
|
|
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
|
|
/* zero length arrays may not be supported */
|
|
#define STATIC_BUFFER_LEN 1
|
|
#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 */
|
|
|
|
|
|
/* CyaSSL Cipher type just points back to SSL */
|
|
struct CYASSL_CIPHER {
|
|
CYASSL* ssl;
|
|
};
|
|
|
|
|
|
#ifdef SINGLE_THREADED
|
|
typedef int CyaSSL_Mutex;
|
|
#else /* MULTI_THREADED */
|
|
/* FREERTOS comes first to enable use of FreeRTOS Windows simulator only */
|
|
#ifdef FREERTOS
|
|
typedef xSemaphoreHandle CyaSSL_Mutex;
|
|
#elif defined(CYASSL_SAFERTOS)
|
|
typedef struct CyaSSL_Mutex {
|
|
signed char mutexBuffer[portQUEUE_OVERHEAD_BYTES];
|
|
xSemaphoreHandle mutex;
|
|
} CyaSSL_Mutex;
|
|
#elif defined(USE_WINDOWS_API)
|
|
typedef CRITICAL_SECTION CyaSSL_Mutex;
|
|
#elif defined(CYASSL_PTHREADS)
|
|
typedef pthread_mutex_t CyaSSL_Mutex;
|
|
#elif defined(THREADX)
|
|
typedef TX_MUTEX CyaSSL_Mutex;
|
|
#elif defined(MICRIUM)
|
|
typedef OS_MUTEX CyaSSL_Mutex;
|
|
#elif defined(EBSNET)
|
|
typedef RTP_MUTEX CyaSSL_Mutex;
|
|
#elif defined(FREESCALE_MQX)
|
|
typedef MUTEX_STRUCT CyaSSL_Mutex;
|
|
#elif defined(CYASSL_MDK_ARM)
|
|
typedef OS_MUT CyaSSL_Mutex;
|
|
#else
|
|
#error Need a mutex type in multithreaded mode
|
|
#endif /* USE_WINDOWS_API */
|
|
#endif /* SINGLE_THREADED */
|
|
|
|
CYASSL_LOCAL int InitMutex(CyaSSL_Mutex*);
|
|
CYASSL_LOCAL int FreeMutex(CyaSSL_Mutex*);
|
|
CYASSL_LOCAL int LockMutex(CyaSSL_Mutex*);
|
|
CYASSL_LOCAL int UnLockMutex(CyaSSL_Mutex*);
|
|
|
|
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 */
|
|
};
|
|
|
|
|
|
/* CyaSSL OCSP controller */
|
|
struct CYASSL_OCSP {
|
|
byte enabled;
|
|
byte useOverrideUrl;
|
|
byte useNonce;
|
|
char overrideUrl[80];
|
|
OCSP_Entry* ocspList;
|
|
void* IOCB_OcspCtx;
|
|
CallbackIOOcsp CBIOOcsp;
|
|
CallbackIOOcspRespFree CBIOOcspRespFree;
|
|
};
|
|
|
|
#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_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,
|
|
CLIENT_CERTIFICATE_URL = 2,
|
|
TRUSTED_CA_KEYS = 3,
|
|
TRUNCATED_HMAC = 4,
|
|
STATUS_REQUEST = 5,
|
|
SIGNATURE_ALGORITHMS = 13,*/
|
|
} 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 enum {
|
|
HOST_NAME = 0
|
|
} SNI_Type;
|
|
|
|
typedef struct SNI {
|
|
SNI_Type type; /* SNI Type */
|
|
union { char* host_name; } data; /* SNI Data */
|
|
struct SNI* next; /* List Behavior */
|
|
} SNI;
|
|
|
|
CYASSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
|
|
word16 size);
|
|
|
|
#endif /* HAVE_SNI */
|
|
|
|
#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 */
|
|
#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
|
|
};
|
|
|
|
|
|
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 Ciphers from page 43 */
|
|
enum BulkCipherAlgorithm {
|
|
cipher_null,
|
|
rc4,
|
|
rc2,
|
|
des,
|
|
triple_des, /* leading 3 (3des) not valid identifier */
|
|
des40,
|
|
idea,
|
|
aes,
|
|
aes_gcm,
|
|
aes_ccm,
|
|
camellia,
|
|
hc128, /* CyaSSL extensions */
|
|
rabbit
|
|
};
|
|
|
|
|
|
/* 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
|
|
};
|
|
|
|
|
|
/* 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 };
|
|
|
|
|
|
/* 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
|
|
word32 dtls_sequence_number;
|
|
word32 dtls_peer_sequence_number;
|
|
word32 dtls_expected_peer_sequence_number;
|
|
word16 dtls_handshake_number;
|
|
word16 dtls_peer_handshake_number;
|
|
word16 dtls_expected_peer_handshake_number;
|
|
word16 dtls_epoch;
|
|
word16 dtls_peer_epoch;
|
|
word16 dtls_expected_peer_epoch;
|
|
#endif
|
|
|
|
word32 encryptSz; /* last size of encrypted data */
|
|
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 void (*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
|
|
} 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
|
|
|
|
struct CYASSL_X509_NAME {
|
|
char name[ASN_NAME_MAX];
|
|
int sz;
|
|
};
|
|
|
|
#ifndef EXTERNAL_SERIAL_SIZE
|
|
#define EXTERNAL_SERIAL_SIZE 32
|
|
#endif
|
|
|
|
#ifdef NO_ASN
|
|
typedef struct DNS_entry DNS_entry;
|
|
#endif
|
|
|
|
struct CYASSL_X509 {
|
|
CYASSL_X509_NAME issuer;
|
|
CYASSL_X509_NAME subject;
|
|
int serialSz;
|
|
byte serial[EXTERNAL_SERIAL_SIZE];
|
|
char subjectCN[ASN_NAME_MAX]; /* common name short cut */
|
|
buffer derCert; /* may need */
|
|
DNS_entry* altNames; /* alt names list */
|
|
DNS_entry* altNamesNext; /* hint for retrieval */
|
|
byte dynamicMemory; /* dynamic memory flag */
|
|
};
|
|
|
|
|
|
/* 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;
|
|
|
|
|
|
/* 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 */
|
|
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 */
|
|
#endif
|
|
CYASSL_ALERT_HISTORY alert_history;
|
|
};
|
|
|
|
|
|
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
|
|
};
|
|
|
|
|
|
/* Valid Alert types from page 16/17 */
|
|
enum AlertDescription {
|
|
close_notify = 0,
|
|
unexpected_message = 10,
|
|
bad_record_mac = 20,
|
|
decompression_failure = 30,
|
|
handshake_failure = 40,
|
|
no_certificate = 41,
|
|
bad_certificate = 42,
|
|
unsupported_certificate = 43,
|
|
certificate_revoked = 44,
|
|
certificate_expired = 45,
|
|
certificate_unknown = 46,
|
|
illegal_parameter = 47,
|
|
decrypt_error = 51,
|
|
protocol_version = 70,
|
|
no_renegotiation = 100,
|
|
unrecognized_name = 112
|
|
};
|
|
|
|
|
|
enum AlertLevel {
|
|
alert_warning = 1,
|
|
alert_fatal = 2
|
|
};
|
|
|
|
|
|
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);
|
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CYASSL_LOCAL int IsAtLeastTLSv1_2(const CYASSL* ssl);
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CYASSL_LOCAL void FreeHandshakeResources(CYASSL* ssl);
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CYASSL_LOCAL void ShrinkInputBuffer(CYASSL* ssl, int forcedFree);
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CYASSL_LOCAL void ShrinkOutputBuffer(CYASSL* ssl);
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#ifndef NO_CERTS
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CYASSL_LOCAL Signer* GetCA(void* cm, byte* hash);
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#ifndef NO_SKID
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CYASSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
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#endif
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#endif
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CYASSL_LOCAL void BuildTlsFinished(CYASSL* ssl, Hashes* hashes,
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const byte* sender);
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CYASSL_LOCAL void FreeArrays(CYASSL* ssl, int keep);
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CYASSL_LOCAL int CheckAvailableSize(CYASSL *ssl, int size);
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CYASSL_LOCAL int GrowInputBuffer(CYASSL* ssl, int size, int usedLength);
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#ifndef NO_TLS
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CYASSL_LOCAL int MakeTlsMasterSecret(CYASSL*);
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CYASSL_LOCAL void TLS_hmac(CYASSL* ssl, byte* digest, const byte* in,
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word32 sz, int content, int verify);
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#endif
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#ifndef NO_CYASSL_CLIENT
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CYASSL_LOCAL int SendClientHello(CYASSL*);
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CYASSL_LOCAL int SendClientKeyExchange(CYASSL*);
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CYASSL_LOCAL int SendCertificateVerify(CYASSL*);
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#endif /* NO_CYASSL_CLIENT */
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#ifndef NO_CYASSL_SERVER
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CYASSL_LOCAL int SendServerHello(CYASSL*);
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CYASSL_LOCAL int SendServerHelloDone(CYASSL*);
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#ifdef CYASSL_DTLS
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CYASSL_LOCAL int SendHelloVerifyRequest(CYASSL*);
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#endif
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#endif /* NO_CYASSL_SERVER */
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#ifdef CYASSL_DTLS
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CYASSL_LOCAL int DtlsPoolInit(CYASSL*);
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CYASSL_LOCAL int DtlsPoolSave(CYASSL*, const byte*, int);
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CYASSL_LOCAL int DtlsPoolTimeout(CYASSL*);
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CYASSL_LOCAL int DtlsPoolSend(CYASSL*);
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CYASSL_LOCAL void DtlsPoolReset(CYASSL*);
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CYASSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
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CYASSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
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CYASSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
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CYASSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
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word32, word32);
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CYASSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
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CYASSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32,
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byte, word32, word32, void*);
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CYASSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
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#endif /* CYASSL_DTLS */
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#ifndef NO_TLS
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#endif /* NO_TLS */
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CYASSL_LOCAL word32 LowResTimer(void);
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CYASSL_LOCAL void InitX509(CYASSL_X509*, int);
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CYASSL_LOCAL void FreeX509(CYASSL_X509*);
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#ifndef NO_CERTS
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CYASSL_LOCAL int CopyDecodedToX509(CYASSL_X509*, DecodedCert*);
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* CyaSSL_INT_H */
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