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/*
* Copyright (C) 2015 OpenSIPS Foundation
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of opensips, a free SIP server.
*
* opensips 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*
* opensips 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
*
*
* History:
* -------
* 2015-02-12 first version (bogdan)
*/
#ifndef _PROTO_TLS_H_
#define _PROTO_TLS_H_
#include <openssl/ui.h>
#include <openssl/ssl.h>
#include <openssl/opensslv.h>
#include <openssl/err.h>
#include "tls_helper.h"
#include "../../locking.h"
#define OS_SSL_SESS_ID ((unsigned char*)NAME "-" VERSION)
#define OS_SSL_SESS_ID_LEN (sizeof(OS_SSL_SESS_ID)-1)
#if OPENSSL_VERSION_NUMBER < 0x00908000L
#error "using an unsupported version of OpenSSL (< 0.9.8)"
#endif
#if OPENSSL_VERSION_NUMBER < 0x10001000L
#warning ""
#warning "=============================================================="
#warning "Your version of OpenSSL is < 1.0.1."
#warning " Upgrade for better compatibility, features and security fixes!"
#warning "============================================================="
#warning ""
#endif
static SSL_METHOD *ssl_methods[TLS_USE_TLSv1_2 + 1];
#define VERIFY_DEPTH_S 3
/*
* Wrappers around OpenSIPS shared memory functions
* (which can be macros)
*/
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
static void* os_malloc(size_t size, const char *file, int line)
#else
static void* os_malloc(size_t size)
#endif
{
#if (defined DBG_MALLOC && OPENSSL_VERSION_NUMBER >= 0x10100000L)
return _shm_malloc(size, file, __FUNCTION__, line);
#else
return shm_malloc(size);
#endif
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
static void* os_realloc(void *ptr, size_t size, const char *file, int line)
#else
static void* os_realloc(void *ptr, size_t size)
#endif
{
#if (defined DBG_MALLOC && OPENSSL_VERSION_NUMBER >= 0x10100000L)
return _shm_realloc(ptr, size, file, __FUNCTION__, line);
#else
return shm_realloc(ptr, size);
#endif
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
static void os_free(void *ptr, const char *file, int line)
#else
static void os_free(void *ptr)
#endif
{
/* TODO: also handle free file and line */
if (ptr)
shm_free(ptr);
}
/* these locks can not be used in 1.1.0, because the interface has changed */
#if OPENSSL_VERSION_NUMBER < 0x10100000L
struct CRYPTO_dynlock_value {
gen_lock_t lock;
};
static unsigned long tls_get_id(void)
{
return my_pid();
}
static struct CRYPTO_dynlock_value* tls_dyn_lock_create(const char* file,
int line)
{
struct CRYPTO_dynlock_value* new_lock;
new_lock=shm_malloc(sizeof(struct CRYPTO_dynlock_value));
if (new_lock==0){
LM_ERR("Failed to allocated new dynamic lock\n");
return 0;
}
if (lock_init(&new_lock->lock)==0) {
LM_ERR("Failed to init new dynamic lock\n");
shm_free(new_lock);
return 0;
}
return new_lock;
}
static void tls_dyn_lock_ops(int mode, struct CRYPTO_dynlock_value* dyn_lock,
const char* file, int line)
{
if (mode & CRYPTO_LOCK) {
lock_get(&dyn_lock->lock);
} else {
lock_release(&dyn_lock->lock);
}
}
static void tls_dyn_lock_destroy(struct CRYPTO_dynlock_value *dyn_lock,
const char* file, int line)
{
lock_destroy(&dyn_lock->lock);
shm_free(dyn_lock);
}
#endif
#endif /* _PROTO_TLS_H_ */
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