login.php

晕了

<?
require("functions.php");

if(!$UserName){
	$msg="error login";
        header("Location:error.php?msg=".$msg);
        exit;
}

$conn=DBConnect();
$sql="select * from links_users where name='".$UserName."'";
$result=mysql_query($sql,$conn);
DBClose($conn);

if(!($obj=mysql_fetch_object($result))){
        $msg="error username";
        header("Location:error.php?msg=".$msg);
        exit;
}

if($obj->password!=$Password){
        $msg="error password";
        header("Location:error.php?msg=".$msg);
        exit;
}

if(!(setcookie("UserID",$obj->id))){
        $msg="error ucookie";
        header("Location:error.php?msg=".$msg);
        exit;
}

header("Location:".(isset($refer)?$refer:"default.php"));
exit;
?>