Untitled

<?php
$username = "user";
$password = "password";

if(isset($_POST['username']) && $_POST['password'])
{
    if($_POST['username'] == $username && $_POST['password'] == $password)
    {
        $_SESSION['user'] = $username;
    }
    else{
         header( "refresh:1" );
    }
}
if($_SESSION['user'])
{
?>
<html>
<head>
  <title>Rebooting Server</title>
</head>
<body>
  <h1>Rebooting Server</h1>
  <pre>
  <?php passthru("/usr/bin/sudo /root/resolve.sh"); ?>
  </pre>
</body>
</html>
<?php
}
else{
?>
<html>
<head>
  <title>Rebooting Server</title>
</head>
<body>
  <h1>LOGIN</h1>
 <form action="" method="">
    <input type="text" name="username">
    <input type="text" name="password">
    <input type="submit" name="login">
 </form>
</body>
</html>
<?php
}
?>