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 "zbxsysinfo.h"

#include "../sysinfo.h"

​

int system_hostname(AGENT_REQUEST *request, AGENT_RESULT *result)

{

    int     rc;

    char        *hostname;

    long        hostbufsize = 0;

​

    if (2 < request->nparam)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));

        return SYSINFO_RET_FAIL;

    }

​

#ifdef _SC_HOST_NAME_MAX

    hostbufsize = sysconf(_SC_HOST_NAME_MAX) + 1;

#endif

    if (0 == hostbufsize)

        hostbufsize = 256;

​

    hostname = zbx_malloc(NULL, hostbufsize);

​

    if (0 != gethostname(hostname, hostbufsize))

    {

        zbx_free(hostname);

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));

        return SYSINFO_RET_FAIL;

    }

​

    if (FAIL == (rc = hostname_handle_params(request, result, &hostname)))

        zbx_free(hostname);

​

    return rc;

}