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openssl/ssl/s3_enc.c
Matt Caswell 0220fee47f Lazily initialise the compression buffer 
With read pipelining we use multiple SSL3_RECORD structures for reading.
There are SSL_MAX_PIPELINES (32) of them defined (typically not all of these
would be used). Each one has a 16k compression buffer allocated! This
results in a significant amount of memory being consumed which, most of the
time, is not needed.  This change swaps the allocation of the compression
buffer to be lazy so that it is only done immediately before it is actually
used.

Reviewed-by: Tim Hudson <tjh@openssl.org>
2016-03-07 21:39:27 +00:00

673 lines
23 KiB
C
Raw Blame History

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* 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 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 acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* 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).
*
*/
/* ====================================================================
* Copyright 2005 Nokia. All rights reserved.
*
* The portions of the attached software ("Contribution") is developed by
* Nokia Corporation and is licensed pursuant to the OpenSSL open source
* license.
*
* The Contribution, originally written by Mika Kousa and Pasi Eronen of
* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
* support (see RFC 4279) to OpenSSL.
*
* No patent licenses or other rights except those expressly stated in
* the OpenSSL open source license shall be deemed granted or received
* expressly, by implication, estoppel, or otherwise.
*
* No assurances are provided by Nokia that the Contribution does not
* infringe the patent or other intellectual property rights of any third
* party or that the license provides you with all the necessary rights
* to make use of the Contribution.
*
* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
* OTHERWISE.
*/
#include <stdio.h>
#include "ssl_locl.h"
#include <openssl/evp.h>
#include <openssl/md5.h>
static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
{
EVP_MD_CTX *m5;
EVP_MD_CTX *s1;
unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
unsigned char c = 'A';
unsigned int i, j, k;
int ret = 0;
#ifdef CHARSET_EBCDIC
c = os_toascii[c]; /* 'A' in ASCII */
#endif
k = 0;
m5 = EVP_MD_CTX_new();
s1 = EVP_MD_CTX_new();
if (m5 == NULL || s1 == NULL) {
SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
goto err;
}
EVP_MD_CTX_set_flags(m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
k++;
if (k > sizeof buf) {
/* bug: 'buf' is too small for this ciphersuite */
SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
return 0;
}
for (j = 0; j < k; j++)
buf[j] = c;
c++;
EVP_DigestInit_ex(s1, EVP_sha1(), NULL);
EVP_DigestUpdate(s1, buf, k);
EVP_DigestUpdate(s1, s->session->master_key,
s->session->master_key_length);
EVP_DigestUpdate(s1, s->s3->server_random, SSL3_RANDOM_SIZE);
EVP_DigestUpdate(s1, s->s3->client_random, SSL3_RANDOM_SIZE);
EVP_DigestFinal_ex(s1, smd, NULL);
EVP_DigestInit_ex(m5, EVP_md5(), NULL);
EVP_DigestUpdate(m5, s->session->master_key,
s->session->master_key_length);
EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH);
if ((int)(i + MD5_DIGEST_LENGTH) > num) {
EVP_DigestFinal_ex(m5, smd, NULL);
memcpy(km, smd, (num - i));
} else
EVP_DigestFinal_ex(m5, km, NULL);
km += MD5_DIGEST_LENGTH;
}
OPENSSL_cleanse(smd, sizeof(smd));
ret = 1;
err:
EVP_MD_CTX_free(m5);
EVP_MD_CTX_free(s1);
return ret;
}
int ssl3_change_cipher_state(SSL *s, int which)
{
unsigned char *p, *mac_secret;
unsigned char exp_key[EVP_MAX_KEY_LENGTH];
unsigned char exp_iv[EVP_MAX_IV_LENGTH];
unsigned char *ms, *key, *iv;
EVP_CIPHER_CTX *dd;
const EVP_CIPHER *c;
#ifndef OPENSSL_NO_COMP
COMP_METHOD *comp;
#endif
const EVP_MD *m;
int n, i, j, k, cl;
int reuse_dd = 0;
c = s->s3->tmp.new_sym_enc;
m = s->s3->tmp.new_hash;
/* m == NULL will lead to a crash later */
OPENSSL_assert(m);
#ifndef OPENSSL_NO_COMP
if (s->s3->tmp.new_compression == NULL)
comp = NULL;
else
comp = s->s3->tmp.new_compression->method;
#endif
if (which & SSL3_CC_READ) {
if (s->enc_read_ctx != NULL)
reuse_dd = 1;
else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
goto err;
else
/*
* make sure it's intialized in case we exit later with an error
*/
EVP_CIPHER_CTX_reset(s->enc_read_ctx);
dd = s->enc_read_ctx;
if (ssl_replace_hash(&s->read_hash, m) == NULL) {
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
goto err2;
}
#ifndef OPENSSL_NO_COMP
/* COMPRESS */
COMP_CTX_free(s->expand);
s->expand = NULL;
if (comp != NULL) {
s->expand = COMP_CTX_new(comp);
if (s->expand == NULL) {
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
}
#endif
RECORD_LAYER_reset_read_sequence(&s->rlayer);
mac_secret = &(s->s3->read_mac_secret[0]);
} else {
if (s->enc_write_ctx != NULL)
reuse_dd = 1;
else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
goto err;
else
/*
* make sure it's intialized in case we exit later with an error
*/
EVP_CIPHER_CTX_reset(s->enc_write_ctx);
dd = s->enc_write_ctx;
if (ssl_replace_hash(&s->write_hash, m) == NULL) {
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
goto err2;
}
#ifndef OPENSSL_NO_COMP
/* COMPRESS */
COMP_CTX_free(s->compress);
s->compress = NULL;
if (comp != NULL) {
s->compress = COMP_CTX_new(comp);
if (s->compress == NULL) {
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,
SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
}
#endif
RECORD_LAYER_reset_write_sequence(&s->rlayer);
mac_secret = &(s->s3->write_mac_secret[0]);
}
if (reuse_dd)
EVP_CIPHER_CTX_reset(dd);
p = s->s3->tmp.key_block;
i = EVP_MD_size(m);
if (i < 0)
goto err2;
cl = EVP_CIPHER_key_length(c);
j = cl;
k = EVP_CIPHER_iv_length(c);
if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
ms = &(p[0]);
n = i + i;
key = &(p[n]);
n += j + j;
iv = &(p[n]);
n += k + k;
} else {
n = i;
ms = &(p[n]);
n += i + j;
key = &(p[n]);
n += j + k;
iv = &(p[n]);
n += k;
}
if (n > s->s3->tmp.key_block_length) {
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
goto err2;
}
memcpy(mac_secret, ms, i);
EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE));
#ifdef OPENSSL_SSL_TRACE_CRYPTO
if (s->msg_callback) {
int wh = which & SSL3_CC_WRITE ?
TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ;
s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
mac_secret, EVP_MD_size(m), s, s->msg_callback_arg);
if (c->key_len)
s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
key, c->key_len, s, s->msg_callback_arg);
if (k) {
s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV,
iv, k, s, s->msg_callback_arg);
}
}
#endif
OPENSSL_cleanse(exp_key, sizeof(exp_key));
OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
return (1);
err:
SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
err2:
OPENSSL_cleanse(exp_key, sizeof(exp_key));
OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
return (0);
}
int ssl3_setup_key_block(SSL *s)
{
unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
int num;
int ret = 0;
SSL_COMP *comp;
if (s->s3->tmp.key_block_length != 0)
return (1);
if (!ssl_cipher_get_evp(s->session, &c, &hash, NULL, NULL, &comp, 0)) {
SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
return (0);
}
s->s3->tmp.new_sym_enc = c;
s->s3->tmp.new_hash = hash;
#ifdef OPENSSL_NO_COMP
s->s3->tmp.new_compression = NULL;
#else
s->s3->tmp.new_compression = comp;
#endif
num = EVP_MD_size(hash);
if (num < 0)
return 0;
num = EVP_CIPHER_key_length(c) + num + EVP_CIPHER_iv_length(c);
num *= 2;
ssl3_cleanup_key_block(s);
if ((p = OPENSSL_malloc(num)) == NULL)
goto err;
s->s3->tmp.key_block_length = num;
s->s3->tmp.key_block = p;
ret = ssl3_generate_key_block(s, p, num);
if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)) {
/*
* enable vulnerability countermeasure for CBC ciphers with known-IV
* problem (http://www.openssl.org/~bodo/tls-cbc.txt)
*/
s->s3->need_empty_fragments = 1;
if (s->session->cipher != NULL) {
if (s->session->cipher->algorithm_enc == SSL_eNULL)
s->s3->need_empty_fragments = 0;
#ifndef OPENSSL_NO_RC4
if (s->session->cipher->algorithm_enc == SSL_RC4)
s->s3->need_empty_fragments = 0;
#endif
}
}
return ret;
err:
SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
return (0);
}
void ssl3_cleanup_key_block(SSL *s)
{
OPENSSL_clear_free(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
s->s3->tmp.key_block = NULL;
s->s3->tmp.key_block_length = 0;
}
void ssl3_init_finished_mac(SSL *s)
{
ssl3_free_digest_list(s);
s->s3->handshake_buffer = BIO_new(BIO_s_mem());
(void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
}
/*
* Free digest list. Also frees handshake buffer since they are always freed
* together.
*/
void ssl3_free_digest_list(SSL *s)
{
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
EVP_MD_CTX_free(s->s3->handshake_dgst);
s->s3->handshake_dgst = NULL;
}
void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
{
if (s->s3->handshake_dgst == NULL)
BIO_write(s->s3->handshake_buffer, (void *)buf, len);
else
EVP_DigestUpdate(s->s3->handshake_dgst, buf, len);
}
int ssl3_digest_cached_records(SSL *s, int keep)
{
const EVP_MD *md;
long hdatalen;
void *hdata;
if (s->s3->handshake_dgst == NULL) {
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
if (hdatalen <= 0) {
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
s->s3->handshake_dgst = EVP_MD_CTX_new();
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 = NULL;
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;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_MALLOC_FAILURE);
return 0;
}
EVP_MD_CTX_copy_ex(ctx, s->s3->handshake_dgst);
ret = EVP_MD_CTX_size(ctx);
if (ret < 0) {
EVP_MD_CTX_reset(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_free(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 = EVP_MD_CTX_new();
int i, ret = 0;
unsigned int n;
#ifdef OPENSSL_SSL_TRACE_CRYPTO
unsigned char *tmpout = out;
#endif
if (ctx == NULL) {
SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);
return 0;
}
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_free(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);
case SSL_AD_NO_APPLICATION_PROTOCOL:
return (TLS1_AD_NO_APPLICATION_PROTOCOL);
default:
return (-1);
}
}
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