$user = $_POST['login'];
$pass = $_POST['password'];
$mail = $_POST['mail'];

if ( $_GET['page'] == 'login' ) {
	$sql = "SELECT * FROM `users` WHERE `name` = '%s' AND `password` = '%s'";
	$query0 = sprintf($sql, mysqli_real_escape_string($link, $user), mysqli_real_escape_string($link, $pass));
	$query = mysqli_query($query0);
	if(mysqli_num_rows($query)) {
		$row = mysqli_fetch_assoc($query);
		if($row['password'] == $pass) {
			foreach ($row as $key => $value) {
				$_SESSION[$key] = $value;
			}
		}
		Location('/index.php');
	} else {
		$_SESSION['wpass'] = "1";
		Location('/index.php');
	}
}