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<?php
$register_globals = (bool) ini_get('register_gobals');
$system = ini_get('system');
$unix = (bool) $unix;
$win  = (bool)  $windows;
//
If ($register_globals)
{
   $ip = getenv(REMOTE_ADDR);
   $self = $PHP_SELF;
}
else
{
   $submit = $_GET['submit'];
   $host   = $_GET['host'];
   $ip     = $_SERVER['REMOTE_ADDR'];
   $self   = $_SERVER['PHP_SELF'];
};
// form submitted ?
If ($submit == "Traceroute!")
{
      // replace bad chars
      $host= preg_replace ("/[^A-Za-z0-9.]/","",$host);
      echo '<body bgcolor="#FFFFFF" text="#000000"></body>';
      echo("Trace Output:<br>");
      echo '<pre>';
      //check target IP or domain
      if ($unix)
      {
         system ("traceroute $host");
         system("killall -q traceroute");// kill all traceroute processes in case there are some stalled ones or use echo 'traceroute' to execute without shell
      }
      else
      {
         system("tracert $host");
      }
      echo '</pre>';
      echo '...trace complete';
}
else
{
    echo '<body bgcolor="#FFFFFF" text="#000000"></body>';
    echo '<font size="2">Your IP is: '.$ip.'</font>';
    echo '<form methode="post" action="'.$self.'">';
    echo 'Enter IP or Host <input type="text" name="host" value="'.$ip.'"></input>';
    echo '<input type="submit" name="submit" value="Traceroute!"></input>';
    echo '</form>';
    echo '<br><b>'.$system.'</b>';
    echo '</body></html>';
}
?><?php
$register_globals = (bool) ini_get('register_gobals');
$system = ini_get('system');
$unix = (bool) $unix;
$win  = (bool)  $windows;
//
If ($register_globals)
{
   $ip = getenv(REMOTE_ADDR);
   $self = $PHP_SELF;
}
else
{
   $submit = $_GET['submit'];
   $host   = $_GET['host'];
   $ip     = $_SERVER['REMOTE_ADDR'];
   $self   = $_SERVER['PHP_SELF'];
};
// form submitted ?
If ($submit == "Traceroute!")
{
      // replace bad chars
      $host= preg_replace ("/[^A-Za-z0-9.]/","",$host);
      echo '<body bgcolor="#FFFFFF" text="#000000"></body>';
      echo("Trace Output:<br>");
      echo '<pre>';
      //check target IP or domain
      if ($unix)
      {
         system ("traceroute $host");
         system("killall -q traceroute");// kill all traceroute processes in case there are some stalled ones or use echo 'traceroute' to execute without shell
      }
      else
      {
         system("tracert $host");
      }
      echo '</pre>';
      echo '...trace complete';
}
else
{
    echo '<body bgcolor="#FFFFFF" text="#000000"></body>';
    echo '<font size="2">Your IP is: '.$ip.'</font>';
    echo '<form methode="post" action="'.$self.'">';
    echo 'Enter IP or Host <input type="text" name="host" value="'.$ip.'"></input>';
    echo '<input type="submit" name="submit" value="Traceroute!"></input>';
    echo '</form>';
    echo '<br><b>'.$system.'</b>';
    echo '</body></html>';
}
?>