Zabbix

/*

** Copyright (C) 2001-2024 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 "zbxdiscovery.h"

​

#include "zbxserialize.h"

#include "zbx_discoverer_constants.h"

#include "zbxalgo.h"

#include "zbxcacheconfig.h"

#include "zbxipcservice.h"

#include "zbxjson.h"

#include "zbxstats.h"

​

#define DISCOVERER_INITIALIZED_YES  1

​

static int  discoverer_initialized = 0;

​

void    zbx_discoverer_init(void)

{

    discoverer_initialized = DISCOVERER_INITIALIZED_YES;

}

​

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

 *                                                                            *

 * Purpose: frees discovery check                                             *

 *                                                                            *

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

void    zbx_discovery_dcheck_free(zbx_dc_dcheck_t *dcheck)

{

    zbx_free(dcheck->key_);

    zbx_free(dcheck->ports);

​

    if (SVC_SNMPv1 == dcheck->type || SVC_SNMPv2c == dcheck->type || SVC_SNMPv3 == dcheck->type)

    {

        zbx_free(dcheck->snmp_community);

        zbx_free(dcheck->snmpv3_securityname);

        zbx_free(dcheck->snmpv3_authpassphrase);

        zbx_free(dcheck->snmpv3_privpassphrase);

        zbx_free(dcheck->snmpv3_contextname);

    }

​

    zbx_free(dcheck);

}

​

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

 *                                                                            *

 * Purpose: frees discovery rule                                              *

 *                                                                            *

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

void    zbx_discovery_drule_free(zbx_dc_drule_t *drule)

{

    zbx_free(drule->delay_str);

    zbx_free(drule->iprange);

    zbx_free(drule->name);

​

    zbx_vector_dc_dcheck_ptr_clear_ext(&drule->dchecks, zbx_discovery_dcheck_free);

    zbx_vector_dc_dcheck_ptr_destroy(&drule->dchecks);

​

    zbx_free(drule);

}

​

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

 *                                                                            *

 * Purpose: sends command to discovery manager                                *

 *                                                                            *

 * Parameters: code     - [IN] message code                                   *

 *             data     - [IN] message data                                   *

 *             size     - [IN] message data size                              *

 *             response - [OUT] response message (can be NULL if response is  *

 *                              not requested)                                *

 *                                                                            *

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

static void discovery_send(zbx_uint32_t code, unsigned char *data, zbx_uint32_t size,

        zbx_ipc_message_t *response)

{

    char            *error = NULL;

    static zbx_ipc_socket_t socket = {0};

​

    /* each process has a permanent connection to discovery manager */

    if (0 == socket.fd && FAIL == zbx_ipc_socket_open(&socket, ZBX_IPC_SERVICE_DISCOVERER, SEC_PER_MIN,