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 "zbxalerter.h"

#include "alerter_defs.h"

​

#include "alerter_protocol.h"

#include "zbxlog.h"

#include "zbxcacheconfig.h"

#include "zbxembed.h"

#include "zbxexec.h"

#include "zbxhash.h"

#include "zbxipcservice.h"

#include "zbxmedia.h"

#include "zbxnix.h"

#include "zbxself.h"

#include "zbxstr.h"

#include "zbxtime.h"

#include "zbxtypes.h"

​

#define ALARM_ACTION_TIMEOUT    40

​

ZBX_PTR_VECTOR_IMPL(am_source_stats_ptr, zbx_am_source_stats_t *)

​

static zbx_es_t es_engine;

​

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

 *                                                                            *

 * Purpose: executes script alert type                                        *

 *                                                                            *

 * Parameters: command       - [IN] command for execution                     *

 *             error         - [OUT] error string if function fails           *

 *             max_error_len - [IN] length of error buffer                    *

 *                                                                            *

 * Return value: SUCCEED if processed successfully, TIMEOUT_ERROR if          *

 *               timeout occurred, SIG_ERROR if interrupted by signal or FAIL *

 *               otherwise                                                    *

 *                                                                            *

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

static int  execute_script_alert(const char *command, char *error, size_t max_error_len)

{

    char    *output = NULL;

    int ret = FAIL;

​

    if (SUCCEED == (ret = zbx_execute(command, &output, error, max_error_len, ALARM_ACTION_TIMEOUT,

            ZBX_EXIT_CODE_CHECKS_ENABLED, NULL)))

    {

        zabbix_log(LOG_LEVEL_DEBUG, "%s output:\n%s", command, output);

        zbx_free(output);

    }

​

    return ret;

}

​

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

 *                                                                            *

 * Purpose: registers alerter with alert manager                              *

 *                                                                            *

 * Parameters: socket - [IN] connection socket                                *

 *                                                                            *

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

static void alerter_register(zbx_ipc_socket_t *socket)

{

    pid_t   ppid;

​

    ppid = getppid();

​

    zbx_ipc_socket_write(socket, ZBX_IPC_ALERTER_REGISTER, (unsigned char *)&ppid, sizeof(ppid));

}

​

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

 *                                                                            *

 * Purpose: sends alert sending result to alert manager                       *

 *                                                                            *

 * Parameters: socket  - [IN] connection socket                               *