Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** 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.

**/

​

#include "zbxcomms.h"

​

#include "comms.h"

#include "tls.h"

​

#include "zbxsysinc.h"

​

#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)

​

#include "zbxthreads.h"

#include "log.h"

#include "zbxcrypto.h"

#include "zbxstr.h"

#include "zbxtime.h"

​

#if defined(HAVE_OPENSSL) && OPENSSL_VERSION_NUMBER < 0x1010000fL || defined(LIBRESSL_VERSION_NUMBER)

/* for OpenSSL 1.0.1/1.0.2 (before 1.1.0) or LibreSSL */

​

/* mutexes for multi-threaded OpenSSL (see "man 3ssl threads" and example in crypto/threads/mttest.c) */

​

#include "zbxmutexs.h"

​

#ifdef _WINDOWS

typedef zbx_mutex_t tls_mutex_t;

​

int tls_mutex_create(tls_mutex_t *mutex, char **error)

{

    return zbx_mutex_create(mutex, NULL, &error))

}

​

void    tls_mutex_destroy(tls_mutex_t *mutex)

{

    zbx_mutex_destroy(mutex);

}

​

void    tls_mutex_lock(tls_mutex_t mutex)

{

    zbx_mutex_lock(mutex);

}

​

void    tls_mutex_unlock(tls_mutex_t mutex)

{

    zbx_mutex_unlock(mutex);

}

​

#else

typedef pthread_mutex_t * tls_mutex_t;

​

int tls_mutex_create(tls_mutex_t *mutex, char **error)

{

    *mutex = (pthread_mutex_t *)zbx_malloc(NULL, sizeof(pthread_mutex_t));

​

    if (0 != pthread_mutex_init(*mutex, NULL))

    {

        *error = zbx_dsprintf(*error, "cannot create mutex: %s", zbx_strerror(errno));

        return FAIL;

    }

​

    return SUCCEED;

}

​

void    tls_mutex_destroy(tls_mutex_t *mutex)

{

    pthread_mutex_destroy(*mutex);

    zbx_free(*mutex);

}

​

void    tls_mutex_lock(tls_mutex_t mutex)

{

    pthread_mutex_lock(mutex);

}

​