Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxcomms.h"

#include "comms.h"

​

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

#include "tls.h"

#endif

#include "zbxlog.h"

#include "zbxcompress.h"

#include "zbxstr.h"

#include "zbxnum.h"

#include "zbxip.h"

#include "zbxtime.h"

#include "zbxcrypto.h"

​

#ifdef _WINDOWS

#   ifndef _WIN32_WINNT_WIN7

#       define _WIN32_WINNT_WIN7        0x0601  /* allow compilation on older Windows systems */

#   endif

#   ifndef WSA_FLAG_NO_HANDLE_INHERIT

#       define WSA_FLAG_NO_HANDLE_INHERIT   0x80    /* allow compilation on older Windows systems */

#   endif

#endif

​

#ifndef ZBX_SOCKLEN_T

#   define ZBX_SOCKLEN_T socklen_t

#endif

​

#ifndef SOCK_CLOEXEC

#   define SOCK_CLOEXEC 0   /* SOCK_CLOEXEC is Linux-specific, available since 2.6.23 */

#endif

​

static int  socket_set_nonblocking(ZBX_SOCKET s);

static void tcp_set_socket_strerror_from_getaddrinfo(const char *ip);

static ssize_t  tcp_read(zbx_socket_t *s, char *buffer, size_t size, short *events);

​

zbx_config_tls_t    *zbx_config_tls_new(void)

{

    zbx_config_tls_t    *config_tls;

​

    config_tls = (zbx_config_tls_t *)zbx_malloc(NULL, sizeof(zbx_config_tls_t));

​

    config_tls->connect_mode    = ZBX_TCP_SEC_UNENCRYPTED;

    config_tls->accept_modes    = ZBX_TCP_SEC_UNENCRYPTED;

​

    config_tls->connect     = NULL;

    config_tls->accept      = NULL;

    config_tls->ca_file     = NULL;

    config_tls->crl_file        = NULL;

    config_tls->server_cert_issuer  = NULL;

    config_tls->server_cert_subject = NULL;

    config_tls->cert_file       = NULL;

    config_tls->key_file        = NULL;

    config_tls->psk_identity    = NULL;

    config_tls->psk_file        = NULL;

    config_tls->cipher_cert13   = NULL;

    config_tls->cipher_cert     = NULL;

    config_tls->cipher_psk13    = NULL;

    config_tls->cipher_psk      = NULL;

    config_tls->cipher_all13    = NULL;

    config_tls->cipher_all      = NULL;

    config_tls->cipher_cmd13    = NULL;

    config_tls->cipher_cmd      = NULL;

​

    return config_tls;

}

​

void    zbx_config_tls_free(zbx_config_tls_t *config_tls)

{

    zbx_free(config_tls->connect);

    zbx_free(config_tls->accept);

    zbx_free(config_tls->ca_file);

    zbx_free(config_tls->crl_file);

    zbx_free(config_tls->server_cert_issuer);

    zbx_free(config_tls->server_cert_subject);

    zbx_free(config_tls->cert_file);

    zbx_free(config_tls->key_file);

    zbx_free(config_tls->psk_identity);