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 "checks_agent.h"

​

#include "log.h"

#include "zbxsysinfo.h"

​

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

extern unsigned char    program_type;

#endif

​

/******************************************************************************

 *                                                                            *

 * Purpose: retrieve data from Zabbix agent                                   *

 *                                                                            *

 * Parameters: item - item we are interested in                               *

 *                                                                            *

 * Return value: SUCCEED - data successfully retrieved and stored in result   *

 *                         and result_str (as string)                         *

 *               NETWORK_ERROR - network related error occurred               *

 *               NOTSUPPORTED - item not supported by the agent               *

 *               AGENT_ERROR - uncritical error on agent side occurred        *

 *               FAIL - otherwise                                             *

 *                                                                            *

 * Comments: error will contain error message                                 *

 *                                                                            *

 ******************************************************************************/

int get_value_agent(const DC_ITEM *item, AGENT_RESULT *result)

{

    zbx_socket_t    s;

    const char  *tls_arg1, *tls_arg2;

    int     ret = SUCCEED;

    ssize_t     received_len;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() host:'%s' addr:'%s' key:'%s' conn:'%s'", __func__, item->host.host,

            item->interface.addr, item->key, zbx_tcp_connection_type_name(item->host.tls_connect));

​

    switch (item->host.tls_connect)

    {

        case ZBX_TCP_SEC_UNENCRYPTED:

            tls_arg1 = NULL;

            tls_arg2 = NULL;

            break;

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

        case ZBX_TCP_SEC_TLS_CERT:

            tls_arg1 = item->host.tls_issuer;