SECURITY: Tighten default allowed file types; make sure search index rebuild is performed on upgrade
<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.0.2 (Coblynau)
* Copyright (C) 2006-2007 Dan Fuhry
*
* This program is Free Software; you can redistribute 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, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*/
if(isset($_REQUEST['GLOBALS']))
{
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html><head><title>Hacking Attempt</title><meta http-equiv="Content-type" content="text/html; charset=utf-8" /></head><style type="text/css">body{background-color:#000;color:#CCC;font-family:trebuchet ms,sans-serif;font-size:9pt;}a{color:#FFF;}</style><body><p>Hacking attempt using <a href="http://www.hardened-php.net/index.76.html">PHP $GLOBALS overwrite vulnerability</a> detected, reported to admin</p><p>You're worse than this guy! Unless you are this guy...</p><p id="billp"><img alt=" " src="about:blank" id="billi" /></p><script type="text/javascript">// <![CDATA[
window.onload=function(){counter();setInterval('counter();', 1000);};var text=false;var cnt=10;function counter(){if(!text){text=document.createElement('span');text.id='billc';text.innerHTML=cnt;text.style.fontSize='96pt';text.style.color='#FF0000';p=document.getElementById('billp');p.appendChild(text);}else{if(cnt==1){document.getElementById('billi').src='http://upload.wikimedia.org/wikipedia/commons/7/7f/Bill_Gates_2004_cr.jpg';document.getElementById('billc').innerHTML='';return;}cnt--;document.getElementById('billc').innerHTML=cnt+' ';}}
// ]]>
</script><p><span style="color:black;">You been f***ed by Enano | valid XHTML 1.1</span></p></body></html>
<?php
exit;
}
$version = '1.0.2';
function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
global $_starttime;
$_starttime = microtime_float();
error_reporting(E_ALL);
// Determine directory (special case for development servers)
if ( strpos(__FILE__, '/repo/') && ( file_exists('.enanodev') || file_exists('../.enanodev') ) )
{
$filename = str_replace('/repo/', '/', __FILE__);
}
else
{
$filename = __FILE__;
}
if(!defined('ENANO_ROOT')) // ENANO_ROOT is sometimes defined by plugins like AjIM that need the constant before the Enano API is initialized
define('ENANO_ROOT', dirname(dirname($filename)));
if(defined('ENANO_DEBUG') && version_compare(PHP_VERSION, '5.0.0') < 0)
{
die(__FILE__.':'.__LINE__.': The debugConsole requires PHP 5.x.x or greater. Please comment out the ENANO_DEBUG constant in your index.php.');
}
/*
if(defined('ENANO_DEBUG'))
{
require_once(ENANO_ROOT.'/includes/debugger/debugConsole.php');
} else {
*/
function dc_here($m) { return false; }
function dc_dump($a, $g) { return false; }
function dc_watch($n) { return false; }
function dc_start_timer($u) { return false; }
function dc_stop_timer($m) { return false; }
//}
if ( file_exists( ENANO_ROOT . '/_nightly.php') )
require(ENANO_ROOT.'/_nightly.php');
// List of scheduled tasks
$cron_tasks = array();
// Start including files. LOTS of files. Yeah!
require_once(ENANO_ROOT.'/includes/constants.php');
dc_here('Enano CMS '.$version.' (dev) - debug window<br />Powered by debugConsole');
dc_here('common: including files');
require_once(ENANO_ROOT.'/includes/functions.php');
require_once(ENANO_ROOT.'/includes/dbal.php');
require_once(ENANO_ROOT.'/includes/paths.php');
require_once(ENANO_ROOT.'/includes/sessions.php');
require_once(ENANO_ROOT.'/includes/template.php');
require_once(ENANO_ROOT.'/includes/plugins.php');
require_once(ENANO_ROOT.'/includes/comment.php');
require_once(ENANO_ROOT.'/includes/wikiformat.php');
require_once(ENANO_ROOT.'/includes/diff.php');
require_once(ENANO_ROOT.'/includes/render.php');
require_once(ENANO_ROOT.'/includes/stats.php');
require_once(ENANO_ROOT.'/includes/pageutils.php');
require_once(ENANO_ROOT.'/includes/js-compressor.php');
require_once(ENANO_ROOT.'/includes/rijndael.php');
require_once(ENANO_ROOT.'/includes/email.php');
require_once(ENANO_ROOT.'/includes/search.php');
require_once(ENANO_ROOT.'/includes/json.php');
require_once(ENANO_ROOT.'/includes/wikiengine/Tables.php');
require_once(ENANO_ROOT.'/includes/pageprocess.php');
require_once(ENANO_ROOT.'/includes/tagcloud.php');
strip_magic_quotes_gpc();
// Enano has five parts: the database abstraction layer (DBAL), the session manager, the path/URL manager, the template engine, and the plugin manager.
// Each part has its own class and a global var; nearly all Enano functions are handled by one of these five components.
global $db, $session, $paths, $template, $plugins; // Common objects
global $enano_config; // A global used to cache config information without making loads of queries ;-)
// In addition, $enano_config is used to fetch config information if die_semicritical() is called.
global $email;
if(!isset($_SERVER['HTTP_HOST'])) grinding_halt('Cannot get hostname', '<p>Your web browser did not provide the HTTP Host: field. This site requires a modern browser that supports the HTTP 1.1 standard.</p>');
$db = new mysql();
dc_here('common: calling $db->connect();');
$db->connect(); // Redirects to install.php if an installation is not detected
if(strstr(contentPath, '?')) $sep = '&';
else $sep = '?';
define('urlSeparator', $sep);
unset($sep); // save 10 bytes of memory...
// See if any diagnostic actions have been requested
if ( isset($_GET['do']) && $_GET['do'] == 'diag' && isset($_GET['sub']) )
{
switch($_GET['sub'])
{
case 'cookie_destroy':
unset($_COOKIE['sid']);
setcookie('sid', '', time()-3600*24, scriptPath);
setcookie('sid', '', time()-3600*24, scriptPath.'/');
die('Session cookie cleared. <a href="'.$_SERVER['PHP_SELF'].'">Continue</a>');
break;
}
}
// Select and fetch the site configuration
dc_here('common: selecting global config data');
$e = $db->sql_query('SELECT config_name, config_value FROM '.table_prefix.'config;');
if(!$e) $db->_die('Some critical configuration information could not be selected.');
else define('ENANO_CONFIG_FETCHED', ''); // Used in die_semicritical to figure out whether to call getConfig() or not
dc_here('common: fetching $enano_config');
$enano_config = Array();
while($r = $db->fetchrow())
{
$enano_config[$r['config_name']] = $r['config_value'];
}
$db->free_result();
if(enano_version(false, true) != $version)
{
grinding_halt('Version mismatch', '<p>It seems that the Enano release we\'re trying to run ('.$version.') is different from the version specified in your database ('.enano_version().'). Perhaps you need to <a href="'.scriptPath.'/upgrade.php">upgrade</a>?</p>');
}
//
// Low level maintenance
//
// If the AES key size has been changed, bail out and fast
if ( !getConfig('aes_key_size') )
{
setConfig('aes_key_size', AES_BITS);
}
else if ( $ks = getConfig('aes_key_size') )
{
if ( intval($ks) != AES_BITS )
{
grinding_halt('AES key size changed', '<p>Enano has detected that the AES key size in constants.php has been changed. This change cannot be performed after installation, otherwise the private key would have to be re-generated and all passwords would have to be re-encrypted.</p><p>Please change the key size back to ' . $ks . ' bits and reload this page.</p>');
}
}
// Same for AES block size
if ( !getConfig('aes_block_size') )
{
setConfig('aes_block_size', AES_BLOCKSIZE);
}
else if ( $ks = getConfig('aes_block_size') )
{
if ( intval($ks) != AES_BLOCKSIZE )
{
grinding_halt('AES block size changed', '<p>Enano has detected that the AES block size in constants.php has been changed. This change cannot be performed after installation, otherwise all passwords would have to be re-encrypted.</p><p>Please change the block size back to ' . $ks . ' bits and reload this page.</p>');
}
}
// Our list of tables included in Enano
$system_table_list = Array(
table_prefix.'categories',
table_prefix.'comments',
table_prefix.'config',
table_prefix.'logs',
table_prefix.'page_text',
table_prefix.'session_keys',
table_prefix.'pages',
table_prefix.'users',
table_prefix.'users_extra',
table_prefix.'themes',
table_prefix.'buddies',
table_prefix.'banlist',
table_prefix.'files',
table_prefix.'privmsgs',
table_prefix.'sidebar',
table_prefix.'hits',
table_prefix.'search_index',
table_prefix.'groups',
table_prefix.'group_members',
table_prefix.'acl',
table_prefix.'page_groups',
table_prefix.'page_group_members',
table_prefix.'tags'
);
dc_here('common: initializing base classes');
$plugins = new pluginLoader();
// So where does the majority of Enano get executed? How about the next nine lines of code :)
dc_here('common: ok, we\'re set up, starting mainstream execution');
$plugins->loadAll();
dc_here('common: loading plugins');
global $plugins;
foreach($plugins->load_list as $f) { include_once $f; } // Can't be in object context when this is done
$session = new sessionManager();
$paths = new pathManager();
$template = new template();
$email = new EmailEncryptor();
define('ENANO_BASE_CLASSES_INITIALIZED', '');
if ( !defined('IN_ENANO_INSTALL') )
{
$code = $plugins->setHook('base_classes_initted');
foreach ( $code as $cmd )
{
eval($cmd);
}
$p = RenderMan::strToPageId($paths->get_pageid_from_url());
if( ( $p[1] == 'Admin' || $p[1] == 'Special' ) && function_exists('page_'.$p[1].'_'.$p[0].'_preloader'))
{
@call_user_func('page_'.$p[1].'_'.$p[0].'_preloader');
}
// One quick security check...
if ( !is_valid_ip($_SERVER['REMOTE_ADDR']) )
{
die('SECURITY: spoofed IP address');
}
$session->start();
$paths->init();
define('ENANO_MAINSTREAM', '');
// If the site is disabled, bail out, unless we're trying to log in or administer the site
if(getConfig('site_disabled') == '1' && $session->user_level < USER_LEVEL_ADMIN)
{
if ( $paths->namespace == 'Admin' || ( $paths->namespace == 'Special' && ( $paths->cpage['urlname_nons'] == 'CSS' || $paths->cpage['urlname_nons'] == 'Administration' || $paths->cpage['urlname_nons'] == 'Login' ) ) )
{
// do nothing; allow execution to continue
}
else
{
if(!$n = getConfig('site_disabled_notice'))
{
$n = 'The administrator has disabled the site. Please check back later.';
}
$text = RenderMan::render($n) . '
<div class="info-box">
If you have an administrative account, you may <a href="'.makeUrlNS('Special', 'Login').'">log in</a> to the site.
</div>';
$paths->wiki_mode = 0;
die_semicritical('Site disabled', $text);
}
}
else if(getConfig('site_disabled') == '1' && $session->user_level >= USER_LEVEL_ADMIN)
{
$template->site_disabled = true;
}
$code = $plugins->setHook('session_started');
foreach ( $code as $cmd )
{
eval($cmd);
}
if(isset($_GET['noheaders'])) $template->no_headers = true;
}
?>