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 "operations.h"

​

#include "audit/zbxaudit.h"

#include "audit/zbxaudit_host.h"

#include "zbxdbwrap.h"

#include "zbxcomms.h"

#include "zbxdb.h"

#include "zbxexpr.h"

#include "zbxstr.h"

#include "zbxnum.h"

#include "zbxinterface.h"

#include "zbx_availability_constants.h"

#include "zbx_host_constants.h"

#include "zbx_discoverer_constants.h"

#include "../server_constants.h"

​

typedef enum

{

    ZBX_DISCOVERY_UNSPEC = 0,

    ZBX_DISCOVERY_DNS,

    ZBX_DISCOVERY_IP,

    ZBX_DISCOVERY_VALUE

}

zbx_dcheck_source_t;

​

typedef enum

{

    ZBX_OP_HOST_TAGS_ADD,

    ZBX_OP_HOST_TAGS_DEL

}

zbx_host_tag_op_t;

​

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

 *                                                                            *

 * Purpose: selects hostid of discovered host                                 *

 *                                                                            *

 * Parameters: event          - [IN] source event data                        *

 *             hostname       - [OUT] hostname where event occurred           *

 *                                                                            *

 * Return value: hostid - existing hostid,                                    *

 *                    0 - if not found                                        *

 *                                                                            *

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

static zbx_uint64_t select_discovered_host(const zbx_db_event *event, char **hostname)

{

    zbx_db_result_t result;

    zbx_db_row_t    row;

    zbx_uint64_t    hostid = 0, proxyid;

    char        *sql = NULL, *ip_esc;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() eventid:" ZBX_FS_UI64, __func__, event->eventid);

​

    switch (event->object)

    {

        case EVENT_OBJECT_DHOST:

        case EVENT_OBJECT_DSERVICE:

            result = zbx_db_select(

                    "select dr.proxyid,ds.ip"

                    " from drules dr,dchecks dc,dservices ds"

                    " where dc.druleid=dr.druleid"

                        " and ds.dcheckid=dc.dcheckid"

                        " and ds.%s=" ZBX_FS_UI64,

                    EVENT_OBJECT_DSERVICE == event->object ? "dserviceid" : "dhostid",

                    event->objectid);

​

            if (NULL == (row = zbx_db_fetch(result)))

            {

                zbx_db_free_result(result);

                goto exit;

            }

​

            ZBX_DBROW2UINT64(proxyid, row[0]);

            ip_esc = zbx_db_dyn_escape_string(row[1]);

            zbx_db_free_result(result);

​

            sql = zbx_dsprintf(sql,

                    "select h.hostid,h.name"