?php

$startTime = microtime(true);
$fileDir = dirname(__FILE__);

require($fileDir . '/library/XenForo/Autoloader.php');
XenForo_Autoloader::getInstance()->setupAutoloader($fileDir . '/library');

XenForo_Application::initialize($fileDir . '/library', $fileDir);
XenForo_Application::set('page_start_time', $startTime);

$username = $_GET['username'];
$password = $_GET['password'];
$password_to_db = $_GET["password"];
$hwid = $_GET['hwid'];
$host = "localhost";
$user = "log";
$pass = "pass";
$database = "db";
date_default_timezone_set('Europe/Kiev');
@mysql_connect($host,$user,$pass);
@mysql_select_db($database);

$db = XenForo_Application::getDb();

$data = $db->fetchOne('
    SELECT
        auth.data
    FROM xf_user_authenticate AS auth
    INNER JOIN xf_user AS user ON
        (user.user_id = auth.user_id)
    WHERE user.username = ?
', $username);

$auth = XenForo_Authentication_Abstract::createDefault();

$auth->setData($data);

$check = $auth->authenticate($username, $password);

Zend_Debug::dump($check);