<?php
/*
 * Copyright 2005-2015 Centreon
 * Centreon is developped by : Julien Mathis and Romain Le Merlus under
 * GPL Licence 2.0.
 *
 * 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 2 of the License.
 *
 * 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 <http://www.gnu.org/licenses>.
 *
 * Linking this program statically or dynamically with other modules is making a
 * combined work based on this program. Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this program give Centreon
 * permission to link this program with independent modules to produce an executable,
 * regardless of the license terms of these independent modules, and to copy and
 * distribute the resulting executable under terms of Centreon choice, provided that
 * Centreon also meet, for each linked independent module, the terms  and conditions
 * of the license of that module. An independent module is a module which is not
 * derived from this program. If you modify this program, you may extend this
 * exception to your version of the program, but you are not obliged to do so. If you
 * do not wish to do so, delete this exception statement from your version.
 *
 * For more information : contact@centreon.com
 *
 */

require_once realpath(dirname(__FILE__) . "/../../../../../config/centreon.config.php");
require_once _CENTREON_PATH_ . '/www/class/centreonDB.class.php';
require_once _CENTREON_PATH_ . '/www/include/common/common-Func.php';

/*
 * Validate the session
 */
session_start();
$db = new CentreonDB();
$sid = session_id();
if (isset($sid)) {
    $res = $db->query('SELECT * FROM session WHERE session_id = \'' . CentreonDB::escape($sid) . '\'');
    if (!$res->fetchRow()) {
        header($_SERVER['SERVER_PROTOCOL'] . ' 401 Unauthorized', true, 401);
        exit;
    }
} else {
    header($_SERVER['SERVER_PROTOCOL'] . ' 401 Unauthorized', true, 401);
    exit;
}

/**
 * Resolving host name
 */
$hostName = str_replace(
    array('<', '>'),
    array('&lt;', '&gt;'),
    $_GET['hostName']
);
echo gethostbyname($hostName);
