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 "zbxcacheconfig.h"

​

#include "zbx_expression_constants.h"

#include "zbxinterface.h"

#include "zbxip.h"

#include "zbxexpr.h"

#include "zbxstr.h"

​

static int  common_resolv(zbx_macro_resolv_data_t *p, zbx_uint64_t hostid, const char *host, const char *name,

        const zbx_dc_interface_t *interface, zbx_uint64_t itemid, char **replace_to)

{

    int ret = SUCCEED;

​

    if (0 == strcmp(p->macro, MVAR_HOST_HOST) || 0 == strcmp(p->macro, MVAR_HOSTNAME))

    {

        *replace_to = zbx_strdup(*replace_to, host);

    }

    else if (0 == strcmp(p->macro, MVAR_HOST_NAME))

    {

        *replace_to = zbx_strdup(*replace_to, name);

    }

    else if (0 == strcmp(p->macro, MVAR_HOST_IP) || 0 == strcmp(p->macro, MVAR_IPADDRESS))

    {

        if (INTERFACE_TYPE_UNKNOWN != interface->type)

        {

            if ('\0' != *interface->ip_orig && FAIL == zbx_is_ip(interface->ip_orig))

            {

                ret = FAIL;

            }

            else

                *replace_to = zbx_strdup(*replace_to, interface->ip_orig);

        }

        else

        {

            ret = zbx_dc_get_interface_value(hostid, itemid, replace_to, ZBX_DC_REQUEST_HOST_IP);

        }

    }

    else if (0 == strcmp(p->macro, MVAR_HOST_DNS))

    {

        if (INTERFACE_TYPE_UNKNOWN != interface->type)

        {

            if ('\0' != *interface->dns_orig && FAIL == zbx_is_ip(interface->dns_orig) &&

                    FAIL == zbx_validate_hostname(interface->dns_orig))

            {

                ret = FAIL;

            }

            else

                *replace_to = zbx_strdup(*replace_to, interface->dns_orig);

        }