diff options
Diffstat (limited to 'openssl/ssl/s2_lib.c')
| -rw-r--r-- | openssl/ssl/s2_lib.c | 178 |
1 files changed, 128 insertions, 50 deletions
diff --git a/openssl/ssl/s2_lib.c b/openssl/ssl/s2_lib.c index 10751b22b..991460410 100644 --- a/openssl/ssl/s2_lib.c +++ b/openssl/ssl/s2_lib.c @@ -55,6 +55,59 @@ * copied and put under another distribution licence * [including the GNU Public Licence.] */ +/* ==================================================================== + * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ #include "ssl_locl.h" #ifndef OPENSSL_NO_SSL2 @@ -68,143 +121,172 @@ const char ssl2_version_str[]="SSLv2" OPENSSL_VERSION_PTEXT; #define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER)) /* list of available SSLv2 ciphers (sorted by id) */ -OPENSSL_GLOBAL SSL_CIPHER ssl2_ciphers[]={ -/* NULL_WITH_MD5 v3 */ +OPENSSL_GLOBAL const SSL_CIPHER ssl2_ciphers[]={ #if 0 +/* NULL_WITH_MD5 v3 */ { 1, SSL2_TXT_NULL_WITH_MD5, SSL2_CK_NULL_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_eNULL, + SSL_MD5, + SSL_SSLV2, SSL_EXPORT|SSL_EXP40|SSL_STRONG_NONE, 0, 0, 0, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, #endif + /* RC4_128_WITH_MD5 */ { 1, SSL2_TXT_RC4_128_WITH_MD5, SSL2_CK_RC4_128_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_RC4, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_MEDIUM, 0, 128, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, + /* RC4_128_EXPORT40_WITH_MD5 */ { 1, SSL2_TXT_RC4_128_EXPORT40_WITH_MD5, SSL2_CK_RC4_128_EXPORT40_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_RC4, + SSL_MD5, + SSL_SSLV2, SSL_EXPORT|SSL_EXP40, SSL2_CF_5_BYTE_ENC, 40, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, + /* RC2_128_CBC_WITH_MD5 */ { 1, SSL2_TXT_RC2_128_CBC_WITH_MD5, SSL2_CK_RC2_128_CBC_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_RC2, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_MEDIUM, 0, 128, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, + /* RC2_128_CBC_EXPORT40_WITH_MD5 */ { 1, SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5, SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_RC2, + SSL_MD5, + SSL_SSLV2, SSL_EXPORT|SSL_EXP40, SSL2_CF_5_BYTE_ENC, 40, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, -/* IDEA_128_CBC_WITH_MD5 */ + #ifndef OPENSSL_NO_IDEA +/* IDEA_128_CBC_WITH_MD5 */ { 1, SSL2_TXT_IDEA_128_CBC_WITH_MD5, SSL2_CK_IDEA_128_CBC_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_IDEA|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_IDEA, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_MEDIUM, 0, 128, 128, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, #endif + /* DES_64_CBC_WITH_MD5 */ { 1, SSL2_TXT_DES_64_CBC_WITH_MD5, SSL2_CK_DES_64_CBC_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_DES|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_DES, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_LOW, 0, 56, 56, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, + /* DES_192_EDE3_CBC_WITH_MD5 */ { 1, SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5, SSL2_CK_DES_192_EDE3_CBC_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_3DES, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_HIGH, 0, 168, 168, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, -/* RC4_64_WITH_MD5 */ + #if 0 +/* RC4_64_WITH_MD5 */ { 1, SSL2_TXT_RC4_64_WITH_MD5, SSL2_CK_RC4_64_WITH_MD5, - SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_SSLV2, + SSL_kRSA, + SSL_aRSA, + SSL_RC4, + SSL_MD5, + SSL_SSLV2, SSL_NOT_EXP|SSL_LOW, SSL2_CF_8_BYTE_ENC, 64, 64, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, #endif -/* NULL SSLeay (testing) */ + #if 0 +/* NULL SSLeay (testing) */ { 0, SSL2_TXT_NULL, SSL2_CK_NULL, 0, + 0, + 0, + 0, + SSL_SSLV2, SSL_STRONG_NONE, 0, 0, 0, - SSL_ALL_CIPHERS, - SSL_ALL_STRENGTHS, }, #endif @@ -216,17 +298,12 @@ long ssl2_default_timeout(void) return(300); } -IMPLEMENT_ssl2_meth_func(sslv2_base_method, - ssl_undefined_function, - ssl_undefined_function, - ssl_bad_method) - int ssl2_num_ciphers(void) { return(SSL2_NUM_CIPHERS); } -SSL_CIPHER *ssl2_get_cipher(unsigned int u) +const SSL_CIPHER *ssl2_get_cipher(unsigned int u) { if (u < SSL2_NUM_CIPHERS) return(&(ssl2_ciphers[SSL2_NUM_CIPHERS-1-u])); @@ -337,18 +414,16 @@ long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) /* This function needs to check if the ciphers required are actually * available */ -SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p) +const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p) { - SSL_CIPHER c,*cp; + SSL_CIPHER c; + const SSL_CIPHER *cp; unsigned long id; id=0x02000000L|((unsigned long)p[0]<<16L)| ((unsigned long)p[1]<<8L)|(unsigned long)p[2]; c.id=id; - cp = (SSL_CIPHER *)OBJ_bsearch((char *)&c, - (char *)ssl2_ciphers, - SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER), - FP_ICC ssl_cipher_id_cmp); + cp = OBJ_bsearch_ssl_cipher_id(&c, ssl2_ciphers, SSL2_NUM_CIPHERS); if ((cp == NULL) || (cp->valid == 0)) return NULL; else @@ -377,6 +452,7 @@ int ssl2_generate_key_material(SSL *s) unsigned char *km; unsigned char c='0'; const EVP_MD *md5; + int md_size; md5 = EVP_md5(); @@ -393,10 +469,12 @@ int ssl2_generate_key_material(SSL *s) SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR); return 0; } - - for (i=0; i<s->s2->key_material_length; i += EVP_MD_size(md5)) + md_size = EVP_MD_size(md5); + if (md_size < 0) + return 0; + for (i=0; i<s->s2->key_material_length; i += md_size) { - if (((km - s->s2->key_material) + EVP_MD_size(md5)) > + if (((km - s->s2->key_material) + md_size) > (int)sizeof(s->s2->key_material)) { /* EVP_DigestFinal_ex() below would write beyond buffer */ @@ -415,7 +493,7 @@ int ssl2_generate_key_material(SSL *s) EVP_DigestUpdate(&ctx,s->s2->challenge,s->s2->challenge_length); EVP_DigestUpdate(&ctx,s->s2->conn_id,s->s2->conn_id_length); EVP_DigestFinal_ex(&ctx,km,NULL); - km += EVP_MD_size(md5); + km += md_size; } EVP_MD_CTX_cleanup(&ctx); 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