Dyrk

<?php

session_start();





$usr    = 'admin';

$passwd = 'password';





$_SESSION['is_admin'] = ((@$_POST['user'] == $usr && @$_POST['passwd'] == $passwd) || 

                          @$_SESSION['is_admin'] == true) ? true : false;

$nfo = array(

     'id' => (isset($_GET['id'])) ? $_GET['id'] : 777,

     'access' => 'c',

     'permission' => 0755,

     'size' => 1024

);



$shmid = shmop_open($nfo['id'], $nfo['access'], $nfo['permission'], $nfo['size']);

$data  = shmop_read($shmid, 0, $nfo['size']);

$html  = (isset($_POST['html']) && !empty($_POST['html'])) ? $_POST['html'] : $data;



if (!empty($html) && $data != $html && $_SESSION['is_admin'] == true) shmop_write($shmid, $html, 0);



echo $html;



if ($_SESSION['is_admin'] == true)

	{ ?>

             <!-- Page : <?php echo $nfo['id'] ?> -->

              <form method=post>

                 <textarea name="html" style="width:100%;height:150px;"></textarea>

                 <input type="submit">

              </form> 

          <?php

	}

  else

	{ 

           ?>

              <form method=post> 

                    User : <input name="user"> 

                    Passwd : <input type="password" name="passwd">

                    <input type="submit">

              </form> 

          <?php

	} 

?>