<?php

/*
 * LMS version 1.11-git
 *
 *  (C) Copyright 2001-2020 LMS Developers
 *
 *  Please, see the doc/AUTHORS for more information about authors!
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License Version 2 as
 *  published by the Free Software Foundation.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 *  USA.
 *
 *  $Id$
 */

header('Content-Type: application/json');

if (!isset($_POST)) {
    die('[]');
}

$result = array();
foreach ($_POST as $key => $value) {
    if (preg_match('/^#hostname-[0-9]+$/', $key) && check_ip($value)) {
        if (isset($_GET['type']) && $_GET['type'] == 'revdns') {
            $outvalue = gethostbyaddr($value);
            if ($outvalue == $value) {
                $result[$key] = '-';
            } else {
                $result[$key] = $outvalue;
            }
        }
    }
}

die(json_encode($result));
