Current File : //backups/router/usr/local/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/DnsController.php
<?php
/*
* Copyright (C) 2017 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
namespace OPNsense\Diagnostics\Api;
use OPNsense\Base\ApiControllerBase;
use OPNsense\Core\Config;
use OPNsense\Core\Backend;
/**
* Class DnsController
* @package OPNsense\Diagnostics
*/
class DnsController extends ApiControllerBase
{
/**
* perform a reverse dns lookup
* @return array
*/
public function reverseLookupAction()
{
if ($this->request->isGet() && $this->request->has('address')) {
if (is_array($this->request->get('address'))) {
$address = $this->request->get('address');
} else {
$address = array($this->request->get('address'));
}
$result = array();
foreach ($address as $addr) {
if (!empty(filter_var($addr, FILTER_VALIDATE_IP))) {
$result[$addr] = gethostbyaddr($addr);
} else {
$result[$addr] = $addr;
}
}
return $result;
} else {
return null;
}
}
}
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