Code:<?php
/************************************************************************/
/* PHP-NUKE: Advanced Content Management System */
/* ============================================ */
/* */
/* Copyright (c) 2002 by Francisco Burzi */
/* http://phpnuke.org */
/* */
/* This program is free software. You can redistribute it and/or modify */
/* it under the terms of the GNU General Public License as published by */
/* the Free Software Foundation; either version 2 of the License. */
/************************************************************************/
/* Additional Security and Code Cleanup for Patched 3.1 */
/* Commited by the Nuke Patched Development Team 2005 */
/* chatserv, Evaders99, Quake */
/* http://www.nukeresources.com - Download location */
/* http://www.nukefixes.com - Development location */
/* http://sourceforge.net/projects/nukepatched/ - CVS */
/* Last file update: 30/07/05 */
/************************************************************************/
// End the transaction
if(!defined('END_TRANSACTION')) {
define('END_TRANSACTION', 2);
}
// Get php version
$phpver = phpversion();
// convert superglobals if php is lower then 4.1.0
if ($phpver < '4.1.0') {
$_GET = $HTTP_GET_VARS;
$_POST = $HTTP_POST_VARS;
$_SERVER = $HTTP_SERVER_VARS;
$_FILES = $HTTP_POST_FILES;
$_ENV = $HTTP_ENV_VARS;
if($_SERVER['REQUEST_METHOD'] == "POST") {
$_REQUEST = $_POST;
} elseif($_SERVER['REQUEST_METHOD'] == "GET") {
$_REQUEST = $_GET;
}
if(isset($HTTP_COOKIE_VARS)) {
$_COOKIE = $HTTP_COOKIE_VARS;
}
if(isset($HTTP_SESSION_VARS)) {
$_SESSION = $HTTP_SESSION_VARS;
}
}
// override old superglobals if php is higher then 4.1.0
if($phpver >= '4.1.0') {
$HTTP_GET_VARS = $_GET;
$HTTP_POST_VARS = $_POST;
$HTTP_SERVER_VARS = $_SERVER;
$HTTP_POST_FILES = $_FILES;
$HTTP_ENV_VARS = $_ENV;
$PHP_SELF = $_SERVER['PHP_SELF'];
if(isset($_SESSION)) {
$HTTP_SESSION_VARS = $_SESSION;
}
if(isset($_COOKIE)) {
$HTTP_COOKIE_VARS= $_COOKIE;
}
}
// After doing those superglobals we can now use one
// and check if this file isnt being accessed directly
if (stristr(htmlentities($_SERVER['PHP_SELF']), "mainfile.php")) {
header("Location: index.php");
exit();
}
if (!function_exists("floatval")) {
function floatval($inputval) {
return (float)$inputval;
}
}
if ($phpver >= '4.0.4pl1' && isset($_SERVER['HTTP_USER_AGENT']) && strstr($_SERVER['HTTP_USER_AGENT'],'compatible')) {
if (extension_loaded('zlib')) {
@ob_end_clean();
ob_start('ob_gzhandler');
}
} elseif ($phpver > '4.0' && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && !empty($_SERVER['HTTP_ACCEPT_ENCODING'])) {
if (strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')) {
if (extension_loaded('zlib')) {
$do_gzip_compress = true;
ob_start(array('ob_gzhandler',5));
ob_implicit_flush(0);
if (ereg("MSIE", $_SERVER['HTTP_USER_AGENT'])) {
header('Content-Encoding: gzip');
}
}
}
}
if (!ini_get('register_globals')) {
@import_request_variables("GPC", "");
}
//Union Tap
//Copyright Zhen-Xjell 2004 http://nukecops.com
//Code to prevent UNION SQL Injections
unset($matches);
unset($loc);
if(isset($_SERVER['QUERY_STRING'])) {
if (preg_match("/([OdWo5NIbpuU4V2iJT0n]{5}) /", rawurldecode($loc=$_SERVER['QUERY_STRING']), $matches)) {
die('Illegal Operation');
}
}
// This block of code makes sure $admin and $user are COOKIES
if((isset($admin) && $admin != $_COOKIE['admin']) OR (isset($user) && $user != $_COOKIE['user'])) {
die("Illegal Operation");
}
// We want to use the function stripos,
// but thats only available since PHP5.
// So we cloned the function...
if(!function_exists('stripos')) {
function stripos_clone($haystack, $needle, $offset=0) {
return strpos(strtoupper($haystack), strtoupper($needle), $offset);
}
} else {
// But when this is PHP5, we use the original function
function stripos_clone($haystack, $needle, $offset=0) {
return stripos($haystack, $needle, $offset=0);
}
}
// Additional security (Union, CLike, XSS)
if(!file_exists('includes/nukesentinel.php')) {
if(isset($_SERVER['QUERY_STRING']) && (!stripos_clone($_SERVER['QUERY_STRING'], "ad_click") || !stripos_clone($_SERVER['QUERY_STRING'], "url"))) {
$queryString = $_SERVER['QUERY_STRING'];
if (stripos_clone($queryString,'%20union%20') OR stripos_clone($queryString,'/*') OR stripos_clone($queryString,'*/union/*') OR stripos_clone($queryString,'c2nyaxb0') OR stripos_clone($queryString,'+union+') OR stripos_clone($queryString,'http://') OR (stripos_clone($queryString,'cmd=') AND !stripos_clone($queryString,'&cmd')) OR (stripos_clone($queryString,'exec') AND !stripos_clone($queryString,'execu')) OR stripos_clone($queryString,'concat')) {
die('Illegal Operation');
}
}
}
if(isset($admin) && $admin == $_COOKIE['admin'])
{
$admin = base64_decode($admin);
$admin = addslashes($admin);
$admin = base64_encode($admin);
}
if(isset($user) && $user == $_COOKIE['user'])
{
$user = base64_decode($user);
$user = addslashes($user);
$user = base64_encode($user);
}
// Die message for not allowed HTML tags
$htmltags = "<center><img src=\"images/logo.gif\"><br><br><b>";
$htmltags .= "The html tags you attempted to use are not allowed</b><br><br>";
$htmltags .= "[ <a href=\"javascript:history.go(-1)\"><b>Go Back</b></a> ]";
// Die message for empty HTTP_REFERER
$posttags = "<b>Warning:</b> your browser doesn't send the HTTP_REFERER header to the website.<br>";
$posttags .= "This can be caused due to your browser, using a proxy server or your firewall.<br>";
$posttags .= "Please change browser or turn off the use of a proxy<br>";
$posttags .= "or turn off the 'Deny servers to trace web browsing' in your firewall<br>";
$posttags .= "and you shouldn't have problems when sending a POST on this website.";
if (!defined('ADMIN_FILE') && !file_exists('includes/nukesentinel.php')) {
foreach ($_GET as $sec_key => $secvalue) {
if ((eregi("<[^>]*script*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*object*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*iframe*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*applet*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*meta*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*style*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*form*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*img*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*onmouseover*\"?[^>]*>", $secvalue)) ||
(eregi("<[^>]*body*\"?[^>]*>", $secvalue)) ||
(eregi("\([^>]*\"?[^)]*\)", $secvalue)) ||
(eregi("\"", $secvalue)) ||
(eregi("forum_admin", $sec_key)) ||
(eregi("inside_mod", $sec_key))) {
die ($htmltags);
}
}
foreach ($_POST as $secvalue) {
if ((eregi("<[^>]*onmouseover*\"?[^>]*>", $secvalue)) || (eregi("<[^>]script*\"?[^>]*>", $secvalue)) || (eregi("<[^>]*body*\"?[^>]*>", $secvalue)) || (eregi("<[^>]style*\"?[^>]*>", $secvalue))) {
die ($htmltags);
}
}
}
// Posting from other servers in not allowed
// Fix by Quake
// Bug found by PeNdEjO
if ($_SERVER['REQUEST_METHOD'] == "POST") {
if (isset($_SERVER['HTTP_REFERER'])) {
if (!stripos_clone($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST'])) {
die('Posting from another server not allowed!');
}
} else {
die($posttags);
}
}
if(defined('FORUM_ADMIN')) {
define('INCLUDE_PATH', '../../../');
} elseif(defined('INSIDE_MOD')) {
define('INCLUDE_PATH', '../../');
} else {
define('INCLUDE_PATH', './');
}
@require_once(INCLUDE_PATH."config.php");
@require_once(INCLUDE_PATH."db/db.php");
@require_once(INCLUDE_PATH."includes/sql_layer.php");
@require_once(INCLUDE_PATH."includes/ipban.php");
if (file_exists(INCLUDE_PATH."includes/custom_files/custom_mainfile.php")) {
@include_once(INCLUDE_PATH."includes/custom_files/custom_mainfile.php");
}
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i also moved it throughout that entire code...between different lines...changed it from require to include....ive done all i can think of...now i may be in the wrong section of mainfile all together....this is the closest i could find to what the edits for core files tells me to change....ok im done now...if u cant help please do 
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