xcat-core/xCAT-UI/lib/log.php

<?php
$TOPDIR = '..';
require_once "$TOPDIR/lib/functions.php";
require_once "$TOPDIR/lib/jsonwrapper.php";

session_start();

header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");

if (isset($_REQUEST["password"])) {
    // Clear data from session
    $_SESSION = array();

    // Zap existing session entirely
    session_regenerate_id(true);
    setpassword($_REQUEST["password"]);

    // Invalid password
    $_SESSION["xcatpassvalid"] = -1;
}

if (isset($_REQUEST["username"])) {
    $_SESSION["username"] = $_REQUEST["username"];

    // Invalid user name
    $_SESSION["xcatpassvalid"]=-1;
}

$jdata = array();
if (isAuthenticated() && isRootAcess()) {
    $jdata["authenticated"]="yes";
} else {
    $jdata["authenticated"]="no";
}

echo json_encode($jdata);
?>