Eric Tsai / mbedtls

Modified mbed TLS headers for AES functionality only to reduce build size

Dependents:   BLE_Gateway_Linker_fix BLE_Gateway

Fork of mbedtls by sandbox

source/ssl_cache.c@1:24750b9ad5ef, 2016-01-22 (annotated)

Committer:
Christopher Haster
Date:
Fri Jan 22 16:44:49 2016 -0600
Revision:
1:24750b9ad5ef
Initial move of mbedtls to mercurial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 1:24750b9ad5ef 1 /*
Christopher Haster 1:24750b9ad5ef 2 * SSL session cache implementation
Christopher Haster 1:24750b9ad5ef 3 *
Christopher Haster 1:24750b9ad5ef 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Christopher Haster 1:24750b9ad5ef 5 * SPDX-License-Identifier: Apache-2.0
Christopher Haster 1:24750b9ad5ef 6 *
Christopher Haster 1:24750b9ad5ef 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Christopher Haster 1:24750b9ad5ef 8 * not use this file except in compliance with the License.
Christopher Haster 1:24750b9ad5ef 9 * You may obtain a copy of the License at
Christopher Haster 1:24750b9ad5ef 10 *
Christopher Haster 1:24750b9ad5ef 11 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 1:24750b9ad5ef 12 *
Christopher Haster 1:24750b9ad5ef 13 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 1:24750b9ad5ef 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Christopher Haster 1:24750b9ad5ef 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 1:24750b9ad5ef 16 * See the License for the specific language governing permissions and
Christopher Haster 1:24750b9ad5ef 17 * limitations under the License.
Christopher Haster 1:24750b9ad5ef 18 *
Christopher Haster 1:24750b9ad5ef 19 * This file is part of mbed TLS (https://tls.mbed.org)
Christopher Haster 1:24750b9ad5ef 20 */
Christopher Haster 1:24750b9ad5ef 21 /*
Christopher Haster 1:24750b9ad5ef 22 * These session callbacks use a simple chained list
Christopher Haster 1:24750b9ad5ef 23 * to store and retrieve the session information.
Christopher Haster 1:24750b9ad5ef 24 */
Christopher Haster 1:24750b9ad5ef 25
Christopher Haster 1:24750b9ad5ef 26 #if !defined(MBEDTLS_CONFIG_FILE)
Christopher Haster 1:24750b9ad5ef 27 #include "mbedtls/config.h"
Christopher Haster 1:24750b9ad5ef 28 #else
Christopher Haster 1:24750b9ad5ef 29 #include MBEDTLS_CONFIG_FILE
Christopher Haster 1:24750b9ad5ef 30 #endif
Christopher Haster 1:24750b9ad5ef 31
Christopher Haster 1:24750b9ad5ef 32 #if defined(MBEDTLS_SSL_CACHE_C)
Christopher Haster 1:24750b9ad5ef 33
Christopher Haster 1:24750b9ad5ef 34 #include "mbedtls/ssl_cache.h"
Christopher Haster 1:24750b9ad5ef 35
Christopher Haster 1:24750b9ad5ef 36 #include <string.h>
Christopher Haster 1:24750b9ad5ef 37
Christopher Haster 1:24750b9ad5ef 38 #if defined(MBEDTLS_PLATFORM_C)
Christopher Haster 1:24750b9ad5ef 39 #include "mbedtls/platform.h"
Christopher Haster 1:24750b9ad5ef 40 #else
Christopher Haster 1:24750b9ad5ef 41 #include <stdlib.h>
Christopher Haster 1:24750b9ad5ef 42 #define mbedtls_calloc calloc
Christopher Haster 1:24750b9ad5ef 43 #define mbedtls_free free
Christopher Haster 1:24750b9ad5ef 44 #endif
Christopher Haster 1:24750b9ad5ef 45
Christopher Haster 1:24750b9ad5ef 46 void mbedtls_ssl_cache_init( mbedtls_ssl_cache_context *cache )
Christopher Haster 1:24750b9ad5ef 47 {
Christopher Haster 1:24750b9ad5ef 48 memset( cache, 0, sizeof( mbedtls_ssl_cache_context ) );
Christopher Haster 1:24750b9ad5ef 49
Christopher Haster 1:24750b9ad5ef 50 cache->timeout = MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT;
Christopher Haster 1:24750b9ad5ef 51 cache->max_entries = MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES;
Christopher Haster 1:24750b9ad5ef 52
Christopher Haster 1:24750b9ad5ef 53 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 54 mbedtls_mutex_init( &cache->mutex );
Christopher Haster 1:24750b9ad5ef 55 #endif
Christopher Haster 1:24750b9ad5ef 56 }
Christopher Haster 1:24750b9ad5ef 57
Christopher Haster 1:24750b9ad5ef 58 int mbedtls_ssl_cache_get( void *data, mbedtls_ssl_session *session )
Christopher Haster 1:24750b9ad5ef 59 {
Christopher Haster 1:24750b9ad5ef 60 int ret = 1;
Christopher Haster 1:24750b9ad5ef 61 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 62 time_t t = time( NULL );
Christopher Haster 1:24750b9ad5ef 63 #endif
Christopher Haster 1:24750b9ad5ef 64 mbedtls_ssl_cache_context *cache = (mbedtls_ssl_cache_context *) data;
Christopher Haster 1:24750b9ad5ef 65 mbedtls_ssl_cache_entry *cur, *entry;
Christopher Haster 1:24750b9ad5ef 66
Christopher Haster 1:24750b9ad5ef 67 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 68 if( mbedtls_mutex_lock( &cache->mutex ) != 0 )
Christopher Haster 1:24750b9ad5ef 69 return( 1 );
Christopher Haster 1:24750b9ad5ef 70 #endif
Christopher Haster 1:24750b9ad5ef 71
Christopher Haster 1:24750b9ad5ef 72 cur = cache->chain;
Christopher Haster 1:24750b9ad5ef 73 entry = NULL;
Christopher Haster 1:24750b9ad5ef 74
Christopher Haster 1:24750b9ad5ef 75 while( cur != NULL )
Christopher Haster 1:24750b9ad5ef 76 {
Christopher Haster 1:24750b9ad5ef 77 entry = cur;
Christopher Haster 1:24750b9ad5ef 78 cur = cur->next;
Christopher Haster 1:24750b9ad5ef 79
Christopher Haster 1:24750b9ad5ef 80 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 81 if( cache->timeout != 0 &&
Christopher Haster 1:24750b9ad5ef 82 (int) ( t - entry->timestamp ) > cache->timeout )
Christopher Haster 1:24750b9ad5ef 83 continue;
Christopher Haster 1:24750b9ad5ef 84 #endif
Christopher Haster 1:24750b9ad5ef 85
Christopher Haster 1:24750b9ad5ef 86 if( session->ciphersuite != entry->session.ciphersuite ||
Christopher Haster 1:24750b9ad5ef 87 session->compression != entry->session.compression ||
Christopher Haster 1:24750b9ad5ef 88 session->id_len != entry->session.id_len )
Christopher Haster 1:24750b9ad5ef 89 continue;
Christopher Haster 1:24750b9ad5ef 90
Christopher Haster 1:24750b9ad5ef 91 if( memcmp( session->id, entry->session.id,
Christopher Haster 1:24750b9ad5ef 92 entry->session.id_len ) != 0 )
Christopher Haster 1:24750b9ad5ef 93 continue;
Christopher Haster 1:24750b9ad5ef 94
Christopher Haster 1:24750b9ad5ef 95 memcpy( session->master, entry->session.master, 48 );
Christopher Haster 1:24750b9ad5ef 96
Christopher Haster 1:24750b9ad5ef 97 session->verify_result = entry->session.verify_result;
Christopher Haster 1:24750b9ad5ef 98
Christopher Haster 1:24750b9ad5ef 99 #if defined(MBEDTLS_X509_CRT_PARSE_C)
Christopher Haster 1:24750b9ad5ef 100 /*
Christopher Haster 1:24750b9ad5ef 101 * Restore peer certificate (without rest of the original chain)
Christopher Haster 1:24750b9ad5ef 102 */
Christopher Haster 1:24750b9ad5ef 103 if( entry->peer_cert.p != NULL )
Christopher Haster 1:24750b9ad5ef 104 {
Christopher Haster 1:24750b9ad5ef 105 if( ( session->peer_cert = mbedtls_calloc( 1,
Christopher Haster 1:24750b9ad5ef 106 sizeof(mbedtls_x509_crt) ) ) == NULL )
Christopher Haster 1:24750b9ad5ef 107 {
Christopher Haster 1:24750b9ad5ef 108 ret = 1;
Christopher Haster 1:24750b9ad5ef 109 goto exit;
Christopher Haster 1:24750b9ad5ef 110 }
Christopher Haster 1:24750b9ad5ef 111
Christopher Haster 1:24750b9ad5ef 112 mbedtls_x509_crt_init( session->peer_cert );
Christopher Haster 1:24750b9ad5ef 113 if( mbedtls_x509_crt_parse( session->peer_cert, entry->peer_cert.p,
Christopher Haster 1:24750b9ad5ef 114 entry->peer_cert.len ) != 0 )
Christopher Haster 1:24750b9ad5ef 115 {
Christopher Haster 1:24750b9ad5ef 116 mbedtls_free( session->peer_cert );
Christopher Haster 1:24750b9ad5ef 117 session->peer_cert = NULL;
Christopher Haster 1:24750b9ad5ef 118 ret = 1;
Christopher Haster 1:24750b9ad5ef 119 goto exit;
Christopher Haster 1:24750b9ad5ef 120 }
Christopher Haster 1:24750b9ad5ef 121 }
Christopher Haster 1:24750b9ad5ef 122 #endif /* MBEDTLS_X509_CRT_PARSE_C */
Christopher Haster 1:24750b9ad5ef 123
Christopher Haster 1:24750b9ad5ef 124 ret = 0;
Christopher Haster 1:24750b9ad5ef 125 goto exit;
Christopher Haster 1:24750b9ad5ef 126 }
Christopher Haster 1:24750b9ad5ef 127
Christopher Haster 1:24750b9ad5ef 128 exit:
Christopher Haster 1:24750b9ad5ef 129 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 130 if( mbedtls_mutex_unlock( &cache->mutex ) != 0 )
Christopher Haster 1:24750b9ad5ef 131 ret = 1;
Christopher Haster 1:24750b9ad5ef 132 #endif
Christopher Haster 1:24750b9ad5ef 133
Christopher Haster 1:24750b9ad5ef 134 return( ret );
Christopher Haster 1:24750b9ad5ef 135 }
Christopher Haster 1:24750b9ad5ef 136
Christopher Haster 1:24750b9ad5ef 137 int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session )
Christopher Haster 1:24750b9ad5ef 138 {
Christopher Haster 1:24750b9ad5ef 139 int ret = 1;
Christopher Haster 1:24750b9ad5ef 140 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 141 time_t t = time( NULL ), oldest = 0;
Christopher Haster 1:24750b9ad5ef 142 mbedtls_ssl_cache_entry *old = NULL;
Christopher Haster 1:24750b9ad5ef 143 #endif
Christopher Haster 1:24750b9ad5ef 144 mbedtls_ssl_cache_context *cache = (mbedtls_ssl_cache_context *) data;
Christopher Haster 1:24750b9ad5ef 145 mbedtls_ssl_cache_entry *cur, *prv;
Christopher Haster 1:24750b9ad5ef 146 int count = 0;
Christopher Haster 1:24750b9ad5ef 147
Christopher Haster 1:24750b9ad5ef 148 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 149 if( ( ret = mbedtls_mutex_lock( &cache->mutex ) ) != 0 )
Christopher Haster 1:24750b9ad5ef 150 return( ret );
Christopher Haster 1:24750b9ad5ef 151 #endif
Christopher Haster 1:24750b9ad5ef 152
Christopher Haster 1:24750b9ad5ef 153 cur = cache->chain;
Christopher Haster 1:24750b9ad5ef 154 prv = NULL;
Christopher Haster 1:24750b9ad5ef 155
Christopher Haster 1:24750b9ad5ef 156 while( cur != NULL )
Christopher Haster 1:24750b9ad5ef 157 {
Christopher Haster 1:24750b9ad5ef 158 count++;
Christopher Haster 1:24750b9ad5ef 159
Christopher Haster 1:24750b9ad5ef 160 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 161 if( cache->timeout != 0 &&
Christopher Haster 1:24750b9ad5ef 162 (int) ( t - cur->timestamp ) > cache->timeout )
Christopher Haster 1:24750b9ad5ef 163 {
Christopher Haster 1:24750b9ad5ef 164 cur->timestamp = t;
Christopher Haster 1:24750b9ad5ef 165 break; /* expired, reuse this slot, update timestamp */
Christopher Haster 1:24750b9ad5ef 166 }
Christopher Haster 1:24750b9ad5ef 167 #endif
Christopher Haster 1:24750b9ad5ef 168
Christopher Haster 1:24750b9ad5ef 169 if( memcmp( session->id, cur->session.id, cur->session.id_len ) == 0 )
Christopher Haster 1:24750b9ad5ef 170 break; /* client reconnected, keep timestamp for session id */
Christopher Haster 1:24750b9ad5ef 171
Christopher Haster 1:24750b9ad5ef 172 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 173 if( oldest == 0 || cur->timestamp < oldest )
Christopher Haster 1:24750b9ad5ef 174 {
Christopher Haster 1:24750b9ad5ef 175 oldest = cur->timestamp;
Christopher Haster 1:24750b9ad5ef 176 old = cur;
Christopher Haster 1:24750b9ad5ef 177 }
Christopher Haster 1:24750b9ad5ef 178 #endif
Christopher Haster 1:24750b9ad5ef 179
Christopher Haster 1:24750b9ad5ef 180 prv = cur;
Christopher Haster 1:24750b9ad5ef 181 cur = cur->next;
Christopher Haster 1:24750b9ad5ef 182 }
Christopher Haster 1:24750b9ad5ef 183
Christopher Haster 1:24750b9ad5ef 184 if( cur == NULL )
Christopher Haster 1:24750b9ad5ef 185 {
Christopher Haster 1:24750b9ad5ef 186 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 187 /*
Christopher Haster 1:24750b9ad5ef 188 * Reuse oldest entry if max_entries reached
Christopher Haster 1:24750b9ad5ef 189 */
Christopher Haster 1:24750b9ad5ef 190 if( count >= cache->max_entries )
Christopher Haster 1:24750b9ad5ef 191 {
Christopher Haster 1:24750b9ad5ef 192 if( old == NULL )
Christopher Haster 1:24750b9ad5ef 193 {
Christopher Haster 1:24750b9ad5ef 194 ret = 1;
Christopher Haster 1:24750b9ad5ef 195 goto exit;
Christopher Haster 1:24750b9ad5ef 196 }
Christopher Haster 1:24750b9ad5ef 197
Christopher Haster 1:24750b9ad5ef 198 cur = old;
Christopher Haster 1:24750b9ad5ef 199 }
Christopher Haster 1:24750b9ad5ef 200 #else /* MBEDTLS_HAVE_TIME */
Christopher Haster 1:24750b9ad5ef 201 /*
Christopher Haster 1:24750b9ad5ef 202 * Reuse first entry in chain if max_entries reached,
Christopher Haster 1:24750b9ad5ef 203 * but move to last place
Christopher Haster 1:24750b9ad5ef 204 */
Christopher Haster 1:24750b9ad5ef 205 if( count >= cache->max_entries )
Christopher Haster 1:24750b9ad5ef 206 {
Christopher Haster 1:24750b9ad5ef 207 if( cache->chain == NULL )
Christopher Haster 1:24750b9ad5ef 208 {
Christopher Haster 1:24750b9ad5ef 209 ret = 1;
Christopher Haster 1:24750b9ad5ef 210 goto exit;
Christopher Haster 1:24750b9ad5ef 211 }
Christopher Haster 1:24750b9ad5ef 212
Christopher Haster 1:24750b9ad5ef 213 cur = cache->chain;
Christopher Haster 1:24750b9ad5ef 214 cache->chain = cur->next;
Christopher Haster 1:24750b9ad5ef 215 cur->next = NULL;
Christopher Haster 1:24750b9ad5ef 216 prv->next = cur;
Christopher Haster 1:24750b9ad5ef 217 }
Christopher Haster 1:24750b9ad5ef 218 #endif /* MBEDTLS_HAVE_TIME */
Christopher Haster 1:24750b9ad5ef 219 else
Christopher Haster 1:24750b9ad5ef 220 {
Christopher Haster 1:24750b9ad5ef 221 /*
Christopher Haster 1:24750b9ad5ef 222 * max_entries not reached, create new entry
Christopher Haster 1:24750b9ad5ef 223 */
Christopher Haster 1:24750b9ad5ef 224 cur = mbedtls_calloc( 1, sizeof(mbedtls_ssl_cache_entry) );
Christopher Haster 1:24750b9ad5ef 225 if( cur == NULL )
Christopher Haster 1:24750b9ad5ef 226 {
Christopher Haster 1:24750b9ad5ef 227 ret = 1;
Christopher Haster 1:24750b9ad5ef 228 goto exit;
Christopher Haster 1:24750b9ad5ef 229 }
Christopher Haster 1:24750b9ad5ef 230
Christopher Haster 1:24750b9ad5ef 231 if( prv == NULL )
Christopher Haster 1:24750b9ad5ef 232 cache->chain = cur;
Christopher Haster 1:24750b9ad5ef 233 else
Christopher Haster 1:24750b9ad5ef 234 prv->next = cur;
Christopher Haster 1:24750b9ad5ef 235 }
Christopher Haster 1:24750b9ad5ef 236
Christopher Haster 1:24750b9ad5ef 237 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 238 cur->timestamp = t;
Christopher Haster 1:24750b9ad5ef 239 #endif
Christopher Haster 1:24750b9ad5ef 240 }
Christopher Haster 1:24750b9ad5ef 241
Christopher Haster 1:24750b9ad5ef 242 memcpy( &cur->session, session, sizeof( mbedtls_ssl_session ) );
Christopher Haster 1:24750b9ad5ef 243
Christopher Haster 1:24750b9ad5ef 244 #if defined(MBEDTLS_X509_CRT_PARSE_C)
Christopher Haster 1:24750b9ad5ef 245 /*
Christopher Haster 1:24750b9ad5ef 246 * If we're reusing an entry, free its certificate first
Christopher Haster 1:24750b9ad5ef 247 */
Christopher Haster 1:24750b9ad5ef 248 if( cur->peer_cert.p != NULL )
Christopher Haster 1:24750b9ad5ef 249 {
Christopher Haster 1:24750b9ad5ef 250 mbedtls_free( cur->peer_cert.p );
Christopher Haster 1:24750b9ad5ef 251 memset( &cur->peer_cert, 0, sizeof(mbedtls_x509_buf) );
Christopher Haster 1:24750b9ad5ef 252 }
Christopher Haster 1:24750b9ad5ef 253
Christopher Haster 1:24750b9ad5ef 254 /*
Christopher Haster 1:24750b9ad5ef 255 * Store peer certificate
Christopher Haster 1:24750b9ad5ef 256 */
Christopher Haster 1:24750b9ad5ef 257 if( session->peer_cert != NULL )
Christopher Haster 1:24750b9ad5ef 258 {
Christopher Haster 1:24750b9ad5ef 259 cur->peer_cert.p = mbedtls_calloc( 1, session->peer_cert->raw.len );
Christopher Haster 1:24750b9ad5ef 260 if( cur->peer_cert.p == NULL )
Christopher Haster 1:24750b9ad5ef 261 {
Christopher Haster 1:24750b9ad5ef 262 ret = 1;
Christopher Haster 1:24750b9ad5ef 263 goto exit;
Christopher Haster 1:24750b9ad5ef 264 }
Christopher Haster 1:24750b9ad5ef 265
Christopher Haster 1:24750b9ad5ef 266 memcpy( cur->peer_cert.p, session->peer_cert->raw.p,
Christopher Haster 1:24750b9ad5ef 267 session->peer_cert->raw.len );
Christopher Haster 1:24750b9ad5ef 268 cur->peer_cert.len = session->peer_cert->raw.len;
Christopher Haster 1:24750b9ad5ef 269
Christopher Haster 1:24750b9ad5ef 270 cur->session.peer_cert = NULL;
Christopher Haster 1:24750b9ad5ef 271 }
Christopher Haster 1:24750b9ad5ef 272 #endif /* MBEDTLS_X509_CRT_PARSE_C */
Christopher Haster 1:24750b9ad5ef 273
Christopher Haster 1:24750b9ad5ef 274 ret = 0;
Christopher Haster 1:24750b9ad5ef 275
Christopher Haster 1:24750b9ad5ef 276 exit:
Christopher Haster 1:24750b9ad5ef 277 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 278 if( mbedtls_mutex_unlock( &cache->mutex ) != 0 )
Christopher Haster 1:24750b9ad5ef 279 ret = 1;
Christopher Haster 1:24750b9ad5ef 280 #endif
Christopher Haster 1:24750b9ad5ef 281
Christopher Haster 1:24750b9ad5ef 282 return( ret );
Christopher Haster 1:24750b9ad5ef 283 }
Christopher Haster 1:24750b9ad5ef 284
Christopher Haster 1:24750b9ad5ef 285 #if defined(MBEDTLS_HAVE_TIME)
Christopher Haster 1:24750b9ad5ef 286 void mbedtls_ssl_cache_set_timeout( mbedtls_ssl_cache_context *cache, int timeout )
Christopher Haster 1:24750b9ad5ef 287 {
Christopher Haster 1:24750b9ad5ef 288 if( timeout < 0 ) timeout = 0;
Christopher Haster 1:24750b9ad5ef 289
Christopher Haster 1:24750b9ad5ef 290 cache->timeout = timeout;
Christopher Haster 1:24750b9ad5ef 291 }
Christopher Haster 1:24750b9ad5ef 292 #endif /* MBEDTLS_HAVE_TIME */
Christopher Haster 1:24750b9ad5ef 293
Christopher Haster 1:24750b9ad5ef 294 void mbedtls_ssl_cache_set_max_entries( mbedtls_ssl_cache_context *cache, int max )
Christopher Haster 1:24750b9ad5ef 295 {
Christopher Haster 1:24750b9ad5ef 296 if( max < 0 ) max = 0;
Christopher Haster 1:24750b9ad5ef 297
Christopher Haster 1:24750b9ad5ef 298 cache->max_entries = max;
Christopher Haster 1:24750b9ad5ef 299 }
Christopher Haster 1:24750b9ad5ef 300
Christopher Haster 1:24750b9ad5ef 301 void mbedtls_ssl_cache_free( mbedtls_ssl_cache_context *cache )
Christopher Haster 1:24750b9ad5ef 302 {
Christopher Haster 1:24750b9ad5ef 303 mbedtls_ssl_cache_entry *cur, *prv;
Christopher Haster 1:24750b9ad5ef 304
Christopher Haster 1:24750b9ad5ef 305 cur = cache->chain;
Christopher Haster 1:24750b9ad5ef 306
Christopher Haster 1:24750b9ad5ef 307 while( cur != NULL )
Christopher Haster 1:24750b9ad5ef 308 {
Christopher Haster 1:24750b9ad5ef 309 prv = cur;
Christopher Haster 1:24750b9ad5ef 310 cur = cur->next;
Christopher Haster 1:24750b9ad5ef 311
Christopher Haster 1:24750b9ad5ef 312 mbedtls_ssl_session_free( &prv->session );
Christopher Haster 1:24750b9ad5ef 313
Christopher Haster 1:24750b9ad5ef 314 #if defined(MBEDTLS_X509_CRT_PARSE_C)
Christopher Haster 1:24750b9ad5ef 315 mbedtls_free( prv->peer_cert.p );
Christopher Haster 1:24750b9ad5ef 316 #endif /* MBEDTLS_X509_CRT_PARSE_C */
Christopher Haster 1:24750b9ad5ef 317
Christopher Haster 1:24750b9ad5ef 318 mbedtls_free( prv );
Christopher Haster 1:24750b9ad5ef 319 }
Christopher Haster 1:24750b9ad5ef 320
Christopher Haster 1:24750b9ad5ef 321 #if defined(MBEDTLS_THREADING_C)
Christopher Haster 1:24750b9ad5ef 322 mbedtls_mutex_free( &cache->mutex );
Christopher Haster 1:24750b9ad5ef 323 #endif
Christopher Haster 1:24750b9ad5ef 324 }
Christopher Haster 1:24750b9ad5ef 325
Christopher Haster 1:24750b9ad5ef 326 #endif /* MBEDTLS_SSL_CACHE_C */