mirror of
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361a119127
Reviewed-by: Rich Salz <rsalz@openssl.org> MR: #364
663 lines
23 KiB
C
663 lines
23 KiB
C
/* ssl/s3_enc.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* ====================================================================
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* Copyright 2005 Nokia. All rights reserved.
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*
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* The portions of the attached software ("Contribution") is developed by
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* Nokia Corporation and is licensed pursuant to the OpenSSL open source
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* license.
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*
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* The Contribution, originally written by Mika Kousa and Pasi Eronen of
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* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
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* support (see RFC 4279) to OpenSSL.
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*
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* No patent licenses or other rights except those expressly stated in
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* the OpenSSL open source license shall be deemed granted or received
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* expressly, by implication, estoppel, or otherwise.
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*
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* No assurances are provided by Nokia that the Contribution does not
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* infringe the patent or other intellectual property rights of any third
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* party or that the license provides you with all the necessary rights
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* to make use of the Contribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
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* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
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* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
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* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
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* OTHERWISE.
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*/
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#include <stdio.h>
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#include "ssl_locl.h"
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#include <openssl/evp.h>
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#include <openssl/md5.h>
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static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
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{
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EVP_MD_CTX m5;
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EVP_MD_CTX s1;
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unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
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unsigned char c = 'A';
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unsigned int i, j, k;
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#ifdef CHARSET_EBCDIC
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c = os_toascii[c]; /* 'A' in ASCII */
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#endif
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k = 0;
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EVP_MD_CTX_init(&m5);
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EVP_MD_CTX_set_flags(&m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
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EVP_MD_CTX_init(&s1);
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for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
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k++;
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if (k > sizeof buf) {
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/* bug: 'buf' is too small for this ciphersuite */
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SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
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return 0;
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}
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for (j = 0; j < k; j++)
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buf[j] = c;
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c++;
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EVP_DigestInit_ex(&s1, EVP_sha1(), NULL);
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EVP_DigestUpdate(&s1, buf, k);
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EVP_DigestUpdate(&s1, s->session->master_key,
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s->session->master_key_length);
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EVP_DigestUpdate(&s1, s->s3->server_random, SSL3_RANDOM_SIZE);
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EVP_DigestUpdate(&s1, s->s3->client_random, SSL3_RANDOM_SIZE);
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EVP_DigestFinal_ex(&s1, smd, NULL);
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EVP_DigestInit_ex(&m5, EVP_md5(), NULL);
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EVP_DigestUpdate(&m5, s->session->master_key,
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s->session->master_key_length);
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EVP_DigestUpdate(&m5, smd, SHA_DIGEST_LENGTH);
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if ((int)(i + MD5_DIGEST_LENGTH) > num) {
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EVP_DigestFinal_ex(&m5, smd, NULL);
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memcpy(km, smd, (num - i));
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} else
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EVP_DigestFinal_ex(&m5, km, NULL);
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km += MD5_DIGEST_LENGTH;
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}
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OPENSSL_cleanse(smd, sizeof(smd));
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EVP_MD_CTX_cleanup(&m5);
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EVP_MD_CTX_cleanup(&s1);
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return 1;
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}
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int ssl3_change_cipher_state(SSL *s, int which)
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{
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unsigned char *p, *mac_secret;
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unsigned char exp_key[EVP_MAX_KEY_LENGTH];
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unsigned char exp_iv[EVP_MAX_IV_LENGTH];
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unsigned char *ms, *key, *iv;
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EVP_CIPHER_CTX *dd;
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const EVP_CIPHER *c;
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#ifndef OPENSSL_NO_COMP
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COMP_METHOD *comp;
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#endif
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const EVP_MD *m;
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int n, i, j, k, cl;
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int reuse_dd = 0;
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c = s->s3->tmp.new_sym_enc;
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m = s->s3->tmp.new_hash;
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/* m == NULL will lead to a crash later */
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OPENSSL_assert(m);
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#ifndef OPENSSL_NO_COMP
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if (s->s3->tmp.new_compression == NULL)
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comp = NULL;
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else
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comp = s->s3->tmp.new_compression->method;
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#endif
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if (which & SSL3_CC_READ) {
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if (s->enc_read_ctx != NULL)
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reuse_dd = 1;
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else if ((s->enc_read_ctx =
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OPENSSL_malloc(sizeof(*s->enc_read_ctx))) == NULL)
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goto err;
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else
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/*
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* make sure it's intialized in case we exit later with an error
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*/
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EVP_CIPHER_CTX_init(s->enc_read_ctx);
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dd = s->enc_read_ctx;
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if (ssl_replace_hash(&s->read_hash, m) == NULL) {
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
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goto err2;
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}
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#ifndef OPENSSL_NO_COMP
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/* COMPRESS */
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COMP_CTX_free(s->expand);
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s->expand = NULL;
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if (comp != NULL) {
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s->expand = COMP_CTX_new(comp);
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if (s->expand == NULL) {
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
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SSL_R_COMPRESSION_LIBRARY_ERROR);
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goto err2;
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}
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if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
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goto err;
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}
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#endif
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RECORD_LAYER_reset_read_sequence(&s->rlayer);
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mac_secret = &(s->s3->read_mac_secret[0]);
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} else {
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if (s->enc_write_ctx != NULL)
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reuse_dd = 1;
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else if ((s->enc_write_ctx =
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OPENSSL_malloc(sizeof(*s->enc_write_ctx))) == NULL)
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goto err;
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else
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/*
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* make sure it's intialized in case we exit later with an error
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*/
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EVP_CIPHER_CTX_init(s->enc_write_ctx);
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dd = s->enc_write_ctx;
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if (ssl_replace_hash(&s->write_hash, m) == NULL) {
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
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goto err2;
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}
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#ifndef OPENSSL_NO_COMP
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/* COMPRESS */
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COMP_CTX_free(s->compress);
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s->compress = NULL;
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if (comp != NULL) {
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s->compress = COMP_CTX_new(comp);
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if (s->compress == NULL) {
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
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SSL_R_COMPRESSION_LIBRARY_ERROR);
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goto err2;
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}
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}
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#endif
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RECORD_LAYER_reset_write_sequence(&s->rlayer);
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mac_secret = &(s->s3->write_mac_secret[0]);
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}
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if (reuse_dd)
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EVP_CIPHER_CTX_cleanup(dd);
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p = s->s3->tmp.key_block;
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i = EVP_MD_size(m);
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if (i < 0)
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goto err2;
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cl = EVP_CIPHER_key_length(c);
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j = cl;
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k = EVP_CIPHER_iv_length(c);
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if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
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(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
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ms = &(p[0]);
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n = i + i;
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key = &(p[n]);
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n += j + j;
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iv = &(p[n]);
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n += k + k;
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} else {
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n = i;
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ms = &(p[n]);
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n += i + j;
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key = &(p[n]);
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n += j + k;
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iv = &(p[n]);
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n += k;
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}
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if (n > s->s3->tmp.key_block_length) {
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
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goto err2;
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}
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memcpy(mac_secret, ms, i);
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EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE));
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#ifdef OPENSSL_SSL_TRACE_CRYPTO
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if (s->msg_callback) {
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int wh = which & SSL3_CC_WRITE ?
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TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ;
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s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
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mac_secret, EVP_MD_size(m), s, s->msg_callback_arg);
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if (c->key_len)
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s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
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key, c->key_len, s, s->msg_callback_arg);
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if (k) {
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s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV,
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iv, k, s, s->msg_callback_arg);
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}
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}
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#endif
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OPENSSL_cleanse(exp_key, sizeof(exp_key));
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OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
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return (1);
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err:
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SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
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err2:
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OPENSSL_cleanse(exp_key, sizeof(exp_key));
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OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
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return (0);
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}
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int ssl3_setup_key_block(SSL *s)
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{
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unsigned char *p;
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const EVP_CIPHER *c;
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const EVP_MD *hash;
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int num;
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int ret = 0;
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SSL_COMP *comp;
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if (s->s3->tmp.key_block_length != 0)
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return (1);
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if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
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SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
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return (0);
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}
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s->s3->tmp.new_sym_enc = c;
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s->s3->tmp.new_hash = hash;
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#ifdef OPENSSL_NO_COMP
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s->s3->tmp.new_compression = NULL;
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#else
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s->s3->tmp.new_compression = comp;
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#endif
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num = EVP_MD_size(hash);
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if (num < 0)
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return 0;
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num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c);
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num *= 2;
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ssl3_cleanup_key_block(s);
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if ((p = OPENSSL_malloc(num)) == NULL)
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goto err;
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s->s3->tmp.key_block_length = num;
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s->s3->tmp.key_block = p;
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ret = ssl3_generate_key_block(s, p, num);
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if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
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/*
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* enable vulnerability countermeasure for CBC ciphers with known-IV
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* problem (http://www.openssl.org/~bodo/tls-cbc.txt)
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*/
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s->s3->need_empty_fragments = 1;
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if (s->session->cipher != NULL) {
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if (s->session->cipher->algorithm_enc == SSL_eNULL)
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s->s3->need_empty_fragments = 0;
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#ifndef OPENSSL_NO_RC4
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if (s->session->cipher->algorithm_enc == SSL_RC4)
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s->s3->need_empty_fragments = 0;
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#endif
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}
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}
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return ret;
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err:
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SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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void ssl3_cleanup_key_block(SSL *s)
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{
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OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
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s->s3->tmp.key_block = NULL;
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s->s3->tmp.key_block_length = 0;
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}
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void ssl3_init_finished_mac(SSL *s)
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{
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ssl3_free_digest_list(s);
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s->s3->handshake_buffer = BIO_new(BIO_s_mem());
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(void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
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}
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/*
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* Free digest list. Also frees handshake buffer since they are always freed
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* together.
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*/
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void ssl3_free_digest_list(SSL *s)
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{
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BIO_free(s->s3->handshake_buffer);
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s->s3->handshake_buffer = NULL;
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EVP_MD_CTX_destroy(s->s3->handshake_dgst);
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s->s3->handshake_dgst = NULL;
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}
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void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
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{
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if (s->s3->handshake_dgst == NULL)
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BIO_write(s->s3->handshake_buffer, (void *)buf, len);
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else
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EVP_DigestUpdate(s->s3->handshake_dgst, buf, len);
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}
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int ssl3_digest_cached_records(SSL *s, int keep)
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{
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const EVP_MD *md;
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long hdatalen;
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void *hdata;
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if (s->s3->handshake_dgst == NULL) {
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hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
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|
if (hdatalen <= 0) {
|
|
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
|
|
return 0;
|
|
}
|
|
|
|
s->s3->handshake_dgst = EVP_MD_CTX_create();
|
|
if (s->s3->handshake_dgst == NULL) {
|
|
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
|
|
md = ssl_handshake_md(s);
|
|
if (md == NULL) {
|
|
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, ERR_R_INTERNAL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
EVP_DigestInit_ex(s->s3->handshake_dgst, md, NULL);
|
|
EVP_DigestUpdate(s->s3->handshake_dgst, hdata, hdatalen);
|
|
|
|
}
|
|
if (keep == 0) {
|
|
BIO_free(s->s3->handshake_buffer);
|
|
s->s3->handshake_buffer = NULL;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int ssl3_final_finish_mac(SSL *s, const char *sender, int len, unsigned char *p)
|
|
{
|
|
int ret;
|
|
EVP_MD_CTX ctx;
|
|
|
|
if (!ssl3_digest_cached_records(s, 0))
|
|
return 0;
|
|
|
|
if (EVP_MD_CTX_type(s->s3->handshake_dgst) != NID_md5_sha1) {
|
|
SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, SSL_R_NO_REQUIRED_DIGEST);
|
|
return 0;
|
|
}
|
|
|
|
EVP_MD_CTX_init(&ctx);
|
|
EVP_MD_CTX_copy_ex(&ctx, s->s3->handshake_dgst);
|
|
|
|
ret = EVP_MD_CTX_size(&ctx);
|
|
if (ret < 0) {
|
|
EVP_MD_CTX_cleanup(&ctx);
|
|
return 0;
|
|
}
|
|
|
|
if ((sender != NULL && EVP_DigestUpdate(&ctx, sender, len) <= 0)
|
|
|| EVP_MD_CTX_ctrl(&ctx, EVP_CTRL_SSL3_MASTER_SECRET,
|
|
s->session->master_key_length,
|
|
s->session->master_key) <= 0
|
|
|| EVP_DigestFinal_ex(&ctx, p, NULL) <= 0) {
|
|
SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR);
|
|
ret = 0;
|
|
}
|
|
|
|
EVP_MD_CTX_cleanup(&ctx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
|
|
int len)
|
|
{
|
|
static const unsigned char *salt[3] = {
|
|
#ifndef CHARSET_EBCDIC
|
|
(const unsigned char *)"A",
|
|
(const unsigned char *)"BB",
|
|
(const unsigned char *)"CCC",
|
|
#else
|
|
(const unsigned char *)"\x41",
|
|
(const unsigned char *)"\x42\x42",
|
|
(const unsigned char *)"\x43\x43\x43",
|
|
#endif
|
|
};
|
|
unsigned char buf[EVP_MAX_MD_SIZE];
|
|
EVP_MD_CTX ctx;
|
|
int i, ret = 0;
|
|
unsigned int n;
|
|
#ifdef OPENSSL_SSL_TRACE_CRYPTO
|
|
unsigned char *tmpout = out;
|
|
#endif
|
|
|
|
EVP_MD_CTX_init(&ctx);
|
|
for (i = 0; i < 3; i++) {
|
|
if (EVP_DigestInit_ex(&ctx, s->ctx->sha1, NULL) <= 0
|
|
|| EVP_DigestUpdate(&ctx, salt[i],
|
|
strlen((const char *)salt[i])) <= 0
|
|
|| EVP_DigestUpdate(&ctx, p, len) <= 0
|
|
|| EVP_DigestUpdate(&ctx, &(s->s3->client_random[0]),
|
|
SSL3_RANDOM_SIZE) <= 0
|
|
|| EVP_DigestUpdate(&ctx, &(s->s3->server_random[0]),
|
|
SSL3_RANDOM_SIZE) <= 0
|
|
|| EVP_DigestFinal_ex(&ctx, buf, &n) <= 0
|
|
|
|
|| EVP_DigestInit_ex(&ctx, s->ctx->md5, NULL) <= 0
|
|
|| EVP_DigestUpdate(&ctx, p, len) <= 0
|
|
|| EVP_DigestUpdate(&ctx, buf, n) <= 0
|
|
|| EVP_DigestFinal_ex(&ctx, out, &n) <= 0) {
|
|
SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
|
|
ret = 0;
|
|
break;
|
|
}
|
|
out += n;
|
|
ret += n;
|
|
}
|
|
EVP_MD_CTX_cleanup(&ctx);
|
|
|
|
#ifdef OPENSSL_SSL_TRACE_CRYPTO
|
|
if (ret > 0 && s->msg_callback) {
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
|
|
p, len, s, s->msg_callback_arg);
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
|
|
s->s3->client_random, SSL3_RANDOM_SIZE,
|
|
s, s->msg_callback_arg);
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
|
|
s->s3->server_random, SSL3_RANDOM_SIZE,
|
|
s, s->msg_callback_arg);
|
|
s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
|
|
tmpout, SSL3_MASTER_SECRET_SIZE,
|
|
s, s->msg_callback_arg);
|
|
}
|
|
#endif
|
|
OPENSSL_cleanse(buf, sizeof(buf));
|
|
return (ret);
|
|
}
|
|
|
|
int ssl3_alert_code(int code)
|
|
{
|
|
switch (code) {
|
|
case SSL_AD_CLOSE_NOTIFY:
|
|
return (SSL3_AD_CLOSE_NOTIFY);
|
|
case SSL_AD_UNEXPECTED_MESSAGE:
|
|
return (SSL3_AD_UNEXPECTED_MESSAGE);
|
|
case SSL_AD_BAD_RECORD_MAC:
|
|
return (SSL3_AD_BAD_RECORD_MAC);
|
|
case SSL_AD_DECRYPTION_FAILED:
|
|
return (SSL3_AD_BAD_RECORD_MAC);
|
|
case SSL_AD_RECORD_OVERFLOW:
|
|
return (SSL3_AD_BAD_RECORD_MAC);
|
|
case SSL_AD_DECOMPRESSION_FAILURE:
|
|
return (SSL3_AD_DECOMPRESSION_FAILURE);
|
|
case SSL_AD_HANDSHAKE_FAILURE:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_NO_CERTIFICATE:
|
|
return (SSL3_AD_NO_CERTIFICATE);
|
|
case SSL_AD_BAD_CERTIFICATE:
|
|
return (SSL3_AD_BAD_CERTIFICATE);
|
|
case SSL_AD_UNSUPPORTED_CERTIFICATE:
|
|
return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
|
|
case SSL_AD_CERTIFICATE_REVOKED:
|
|
return (SSL3_AD_CERTIFICATE_REVOKED);
|
|
case SSL_AD_CERTIFICATE_EXPIRED:
|
|
return (SSL3_AD_CERTIFICATE_EXPIRED);
|
|
case SSL_AD_CERTIFICATE_UNKNOWN:
|
|
return (SSL3_AD_CERTIFICATE_UNKNOWN);
|
|
case SSL_AD_ILLEGAL_PARAMETER:
|
|
return (SSL3_AD_ILLEGAL_PARAMETER);
|
|
case SSL_AD_UNKNOWN_CA:
|
|
return (SSL3_AD_BAD_CERTIFICATE);
|
|
case SSL_AD_ACCESS_DENIED:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_DECODE_ERROR:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_DECRYPT_ERROR:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_EXPORT_RESTRICTION:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_PROTOCOL_VERSION:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_INSUFFICIENT_SECURITY:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_INTERNAL_ERROR:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_USER_CANCELLED:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_NO_RENEGOTIATION:
|
|
return (-1); /* Don't send it :-) */
|
|
case SSL_AD_UNSUPPORTED_EXTENSION:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_UNRECOGNIZED_NAME:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
|
|
return (SSL3_AD_HANDSHAKE_FAILURE);
|
|
case SSL_AD_UNKNOWN_PSK_IDENTITY:
|
|
return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
|
|
case SSL_AD_INAPPROPRIATE_FALLBACK:
|
|
return (TLS1_AD_INAPPROPRIATE_FALLBACK);
|
|
default:
|
|
return (-1);
|
|
}
|
|
}
|