ssl_cache.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 *
 *  This file is provided under the Apache License 2.0, or the
 *  GNU General Public License v2.0 or later.
 *
 *  **********
 *  Apache License 2.0:
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  **********
 *
 *  **********
 *  GNU General Public License v2.0 or later:
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  **********
 */
#ifndef MBEDTLS_SSL_CACHE_H
#define MBEDTLS_SSL_CACHE_H
 
#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
 
#include "ssl.h"
 
#if defined(MBEDTLS_THREADING_C)
#include "threading.h"
#endif
 
#if !defined(MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT)
#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT       86400   
#endif
 
#if !defined(MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES)
#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES      50   
#endif
 
/* \} name SECTION: Module settings */
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct mbedtls_ssl_cache_context mbedtls_ssl_cache_context;
typedef struct mbedtls_ssl_cache_entry mbedtls_ssl_cache_entry;
 
struct mbedtls_ssl_cache_entry
{
#if defined(MBEDTLS_HAVE_TIME)
    mbedtls_time_t timestamp;           
#endif
    mbedtls_ssl_session session;        
#if defined(MBEDTLS_X509_CRT_PARSE_C)
    mbedtls_x509_buf peer_cert;         
#endif
    mbedtls_ssl_cache_entry *next;      
};
 
struct mbedtls_ssl_cache_context
{
    mbedtls_ssl_cache_entry *chain;     
    int timeout;                
    int max_entries;            
#if defined(MBEDTLS_THREADING_C)
    mbedtls_threading_mutex_t mutex;    
#endif
};
 
void mbedtls_ssl_cache_init( mbedtls_ssl_cache_context *cache );
 
int mbedtls_ssl_cache_get( void *data, mbedtls_ssl_session *session );
 
int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session );
 
#if defined(MBEDTLS_HAVE_TIME)
void mbedtls_ssl_cache_set_timeout( mbedtls_ssl_cache_context *cache, int timeout );
#endif /* MBEDTLS_HAVE_TIME */
 
void mbedtls_ssl_cache_set_max_entries( mbedtls_ssl_cache_context *cache, int max );
 
void mbedtls_ssl_cache_free( mbedtls_ssl_cache_context *cache );
 
#ifdef __cplusplus
}
#endif
 
#endif /* ssl_cache.h */