(Mar 15, 2010 11:51 PM)jtb110 Wrote:  Here is the code. Remember to edit the first lines as mentioned in the start.

Code

<?php

$yf_server = 'ems06.your-freedom.de';
$yf_port = 80;
$connect_timeout = 10;
$sep="--SEP";

set_magic_quotes_runtime(0);

$args = Array();
parse_str($_SERVER["QUERY_STRING"], $args);
$ext = 'html';
$session_id = null;
foreach ($args as $key => $value) {
    $l = strlen($key);
    $sum = 0;
    for ($i=0; $i<$l; $i++) $sum += ord(substr($key,$i,1));
    if ($sum % 100 == 0) { # is a valid session ID tag
        $session_id = $value;
        if ($sum % 200 == 0) {    # is a valid uplink tag
            $ext = 'cgi';
        }
        break;
    }
}
if ($session_id == null) {
    $fh = fsockopen("tcp://$yf_server", $yf_port);
    if (!$fh) return;
    $cmd = "GET /cgi.html?server=".$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI']." HTTP/1.0\r\n\r\n";
    if (!fwrite($fh,$cmd,strlen($cmd))) return;
    $cli = fopen("php://output","wb");
    if ($cli) {
        fflush($cli);
        do {
            $data = fgets($fh);
        }
        while (strpos($data,"\n")>1);
        while (true) {
            $data = fread($fh,2048);
            if (!$data) break;
            if (!fwrite($cli,$data,strlen($data))) break;
            fflush($cli);
        }
    }
    exit;
}

crossconnect($session_id, $yf_server, $yf_port, $ext);
exit;

function getServer($session_id) {
    return array($rootaddr, $rootport);
}

function headers() {
    return
    "Accept: text/html\r\n".
    "X-Via: ".$_SERVER['SERVER_NAME']." ".$uri." ".$_SERVER['REMOTE_ADDR']." ".$_SERVER['REMOTE_PORT']."\r\n".
    "Connection: close\r\n";
}

function crossconnect($session_id, $server, $port, $ext) {
    $fh = fsockopen("tcp://$server", $port);
    if (!$fh) return;
    $post = false;
    if (!strcmp($ext,"cgi")) {
        $uri = $_SERVER['REQUEST_URI'];
        $uri = substr($uri,0,strpos($uri,'?'));
        $cmd =    "POST /$session_id.$ext HTTP/1.0\r\n".
            "Host: $server:$port\r\n".
            "Content-Length: 10000000\r\n".
            headers();
        $post = true;
    }
    else {
        $cmd =    "GET /$session_id.$ext HTTP/1.0\r\n".
            "Host: $server:$port\r\n".
            headers().
            "\r\n";
    }
    if (!fwrite($fh,$cmd,strlen($cmd))) return;

    if (!$post) { # read from server and print what we read
        $cli = fopen("php://output","wb");
        if ($cli) {
            fflush($cli);
            do {
                $data = fgets($fh);
            }
            while (strpos($data,"\n")>1);
            while (true) {
                $data = fread($fh,2048);
                if (!$data) break;
                if (!fwrite($cli,$data,strlen($data))) break;
                fflush($cli);
            }
        }
    }
    else {
        $sep="--SEP\r\n";
        fwrite($fh,"Content-Type: multipart/form-data; boundary=SEP\r\n\r\n");
        fflush($fh);
        $skip=1;
        foreach ($_REQUEST as $k => $v) {
            if (--$skip>=0) continue;
            reset($_REQUEST[$k]);
            foreach ($_REQUEST[$k] as $kk => $vv) {
                $item=$sep."Content-Disposition: form-data; name=\"$k\"\r\n\r\n$vv\r\n";
                if (FALSE === fwrite($fh,$item,strlen($item))) {
                    break;
                }
            }
        }
        $item=$sep;
        fwrite($fh,$item,strlen($item));
        fflush($fh);
    }
    fclose($fh);
}

?>