librenms-librenms/LibreNMS/OS/DdWrt.php

<?php
/*
 * DdWrt.php
 *
 * -Description-
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 *
 * @package    LibreNMS
 * @link       https://www.librenms.org
 * @copyright  2020 Tony Murray
 * @author     Tony Murray <murraytony@gmail.com>
 */

namespace LibreNMS\OS;

use App\Models\Device;

class DdWrt extends \LibreNMS\OS
{
    public function discoverOS(Device $device): void
    {
        // dd-wrt, cannot use exec with OID specified. Options are extend (w/OID), or exec (w/o OID)
        // -> extend seems to be the recommended approach, so use that (changes OID, which "spells out" name)
        [, $device->version] = explode(' ', snmp_get($this->getDeviceArray(), 'NET-SNMP-EXTEND-MIB::nsExtendOutput1Line."distro"', '-Osqnv'));
        $device->hardware = snmp_get($this->getDeviceArray(), 'NET-SNMP-EXTEND-MIB::nsExtendOutput1Line."hardware"', '-Osqnv');
    }
}