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/*
* Copyright (c) 2002-2009 Moxie Marlinspike
*
* 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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef __SESSION_CACHE_H__
#define __SESSION_CACHE_H__
#include <openssl/pem.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <boost/thread.hpp>
#include <boost/bind.hpp>
#define CACHE_SIZE 20
#define MAX_ENCODING_SIZE 4096
#define MAX_ID_SIZE 512
typedef struct {
int idLength;
unsigned char id[MAX_ID_SIZE];
int encodingLength;
unsigned char encoding[MAX_ENCODING_SIZE];
} EncodedSession;
typedef struct {
int current;
EncodedSession sessions[CACHE_SIZE];
} SessionCacheBlock;
class SessionCache {
public:
static SessionCache* getInstance();
static SSL_SESSION * getSessionIdTramp(SSL *s, const unsigned char *id, int idLength, int *ref);
static int setNewSessionIdTramp(SSL *s, SSL_SESSION *session);
int setNewSessionId(SSL *s, SSL_SESSION *session);
int setNewSessionId(SSL *s, SSL_SESSION *session, unsigned char *id, int idLength);
SSL_SESSION * getSessionId(SSL *s, const unsigned char *id, int idLength, int *ref);
private:
static SessionCache *sessionCache;
static boost::mutex singletonLock;
SessionCacheBlock cache;
boost::mutex cacheLock;
SessionCache();
void removeSessionId(unsigned char* id, int idLength);
};
#endif
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