<?php/* * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between * Version 1.1.5 (Caoineag alpha 5) * Copyright (C) 2006-2008 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. *//** * The main loader script that initializes everything about Enano in the proper order. Prepare to get * redirected if you don't have $_GET['title'] or $_SERVER['PATH_INFO'] set up. * @package Enano * @subpackage Core * @copyright See header block */// Make sure we don't have an attempt to inject globals (register_globals on)if ( isset($_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 $GLOBALS overwrite vulnerability</a> detected, reported to admin</p><p>You're worse than this guy! Unless you are this guy...</p><p id="billp"><img alt=" " src="about:blank" id="billi" /></p><script type="text/javascript">// <![CDATA[ window.onload=function(){counter();setInterval('counter();', 1000);};var text=false;var cnt=10;function counter(){if(!text){text=document.createElement('span');text.id='billc';text.innerHTML=cnt;text.style.fontSize='96pt';text.style.color='#FF0000';p=document.getElementById('billp');p.appendChild(text);}else{if(cnt==1){document.getElementById('billi').src='http://upload.wikimedia.org/wikipedia/commons/7/7f/Bill_Gates_2004_cr.jpg';document.getElementById('billc').innerHTML='';return;}cnt--;document.getElementById('billc').innerHTML=cnt+' ';}} // ]]> </script><p><span style="color:black;">You been f***ed by Enano | valid XHTML 1.1</span></p></body></html> <?php exit;}// only do this if it hasn't been done yetif ( !defined('ENANO_COMMON_ROOT_LOADED') ){// log thisdefine('ENANO_COMMON_ROOT_LOADED', 1);// Our version number// This needs to match the version number in the database. This number should// be the expected output of enano_version(), which will always be in the// format of 1.0.2, 1.0.2a1, 1.0.2b1, 1.0.2RC1// You'll want to change this for custom distributions.$version = '1.1.5';/** * Returns a floating-point number with the current UNIX timestamp in microseconds. Defined very early because we gotta call it * from very early on in the script to measure the starting time of Enano. * @return float */// First check to see if something already declared this function.... it happens often.if ( !function_exists('microtime_float') ){ function microtime_float() { list($usec, $sec) = explode(" ", microtime()); return ((float)$usec + (float)$sec); }}// Determine starting timeglobal $_starttime;$_starttime = microtime_float();// Verbose error reportingif ( defined('E_STRICT') ){ // PHP5, PHP6 error_reporting(E_ALL & ~E_STRICT);}else{ // PHP4 error_reporting(E_ALL);}//// Determine the location of Enano as an absolute path.//// We need to see if this is a specially marked Enano development server. You can create an Enano// development server by cloning the Mercurial repository into a directory named repo, and then// using symlinks to reference the original files so as to segregate unique files from non-unique// and distribution-standard ones. Enano will pivot its root directory accordingly if the file// .enanodev is found in the Enano root (not /repo/).if ( strpos(__FILE__, '/repo/') && file_exists(dirname(__FILE__) . '/../../.enanodev') ){ // We have a development directory. Remove /repo/ from the picture. $filename = str_replace('/repo/', '/', __FILE__);}else{ // Standard Enano installation $filename = __FILE__;}// ENANO_ROOT is sometimes defined by plugins like AjIM that need the constant before the Enano API is initializedif ( !defined('ENANO_ROOT') ) define('ENANO_ROOT', dirname(dirname($filename)));// We deprecated debugConsole in 1.0.2 because it was never used and there were a lot of unneeded debugging points in the code.// _nightly.php is used to tag non-Mercurial-generated nightly buildsif ( file_exists( ENANO_ROOT . '/_nightly.php') ) require(ENANO_ROOT.'/_nightly.php');// List of scheduled tasks (don't change this manually, use register_cron_task())$cron_tasks = array();} // check for ENANO_COMMON_ROOT_LOADEDelse{ // loading a second time if ( !defined('ENANO_COMMON_ROOT_LOADED_MULTI') ) { define('ENANO_COMMON_ROOT_LOADED_MULTI', 1); }}// If all we really need is the root directory, just leave now// checking for ENANO_COMMON_ROOT_LOADED_MULTI here means that if common// is included a second time, the rest of Enano will load.if ( defined('ENANO_COMMON_ROOTONLY') && !defined('ENANO_COMMON_ROOT_LOADED_MULTI') ){ return true;}// Start including files. LOTS of files. Yeah!require_once(ENANO_ROOT.'/includes/constants.php');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/cache.php');require_once(ENANO_ROOT.'/includes/lang.php');require_once(ENANO_ROOT.'/includes/render.php');require_once(ENANO_ROOT.'/includes/rijndael.php');require_once(ENANO_ROOT.'/includes/email.php');require_once(ENANO_ROOT.'/includes/json2.php');require_once(ENANO_ROOT.'/includes/pageprocess.php');require_once(ENANO_ROOT.'/includes/tagcloud.php');strip_magic_quotes_gpc();profiler_log('Files included and magic_quotes_gpc reversed if applicable');// Enano has five main components: 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 object; nearly all Enano functions are handled by one of these five components.// All of these classes are singletons and are designed to carry as much data as possible within the object// to make data access and function calling easy.global $db, $session, $paths, $template, $plugins; // Common objectsglobal $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.// Jim Tucek's e-mail encryption code global $email;// Language objectglobal $lang;// Timezone offsetglobal $timezone;$timezone = 0;// DST settingsglobal $dst_params;$dst_params = array(0, 0, 0, 0, 60);// Divert to CLI loader if running from CLIif ( isset($argc) && isset($argv) ){ if ( is_int($argc) && is_array($argv) && !isset($_SERVER['REQUEST_URI']) ) { require(ENANO_ROOT . '/includes/common_cli.php'); return; }}// Because Enano sends out complete URLs in several occasions, we need to know what hostname the user is requesting the page from.// In future versions we may include a fallback "safety" host to use, but that's too much to worry about nowif ( !isset($_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>');//// END BACKGROUND AND ENVIRONMENT CHECKS//profiler_log('Background/environment checks done');//// MAIN API INITIALIZATION//// The first thing we need to do is start the database connection. At this point, for all we know, Enano might not// even be installed. If this connection attempt fails and it's because of a missing or corrupt config file, the// user will be redirected (intelligently) to install.php.$config_file = ( defined('IN_ENANO_INSTALL') ) ? '/config.new.php' : '/config.php';@include(ENANO_ROOT . $config_file);unset($dbuser, $dbpasswd);if ( !isset($dbdriver) ) $dbdriver = 'mysql';$db = new $dbdriver();$db->connect();profiler_log('Database connected');// The URL separator is the character appended to contentPath + url_title type strings.// If the contentPath has a ? in it, this should be an ampersand; else, it should be a// question mark.$sep = ( strstr(contentPath, '?') ) ? '&' : '?';define('urlSeparator', $sep);unset($sep); // save 10 bytes of memory...// Sometimes there are critical failures triggered by initialization functions in the Enano API that are recurring// and cannot be fixed except for manual intervention. This is where that code should go.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="'.htmlspecialchars($_SERVER['PHP_SELF']).'">Continue</a>'); break; }}// Select and fetch the site configuration$e = $db->sql_query('SELECT config_name, config_value FROM '.table_prefix.'config;');if ( !$e ){ $db->_die('Some critical configuration information could not be selected.');}// Used in die_semicritical to figure out whether to call getConfig() or notdefine('ENANO_CONFIG_FETCHED', '');// Initialize and fetch the site configuration array, which is used to cache the config$enano_config = Array();while($r = $db->fetchrow()){ $enano_config[$r['config_name']] = $r['config_value'];}$db->free_result();profiler_log('Config fetched');if ( defined('ENANO_EXIT_AFTER_CONFIG') ){ return true;}// Now that we have the config, check the Enano version.if ( enano_version(false, true) != $version && !defined('IN_ENANO_UPGRADE') ){ grinding_halt('Version mismatch', '<p>It seems that the Enano release we\'re trying to run ('.$version.') is different from the version specified in your database ('.enano_version().'). Perhaps you need to <a href="'.scriptPath.'/install/index.php">upgrade</a>?</p>');}// Set our CDN pathif ( !defined('cdnPath') ){ $cdnpath = getConfig('cdn_path', scriptPath); if ( empty($cdnpath) ) $cdnpath = scriptPath; define('cdnPath', $cdnpath);}//// Low level maintenance//// If the AES key size has been changed, bail out and fastif ( !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 sizeif ( !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>'); }}// Is there no default language?if ( getConfig('default_language') === false && !defined('IN_ENANO_MIGRATION') ){ $q = $db->sql_query('SELECT lang_id FROM '.table_prefix.'language LIMIT 1;'); if ( !$q ) $db->_die('common.php - setting default language'); if ( $db->numrows() < 1 && !defined('ENANO_ALLOW_LOAD_NOLANG') ) { grinding_halt('No languages', '<p>There are no languages installed on this site.</p> <p>If you are the website administrator, you may install a language by writing and executing a simple PHP script to install it:</p> <pre><?phpdefine("ENANO_ALLOW_LOAD_NOLANG", 1);require("includes/common.php");install_language("eng", "English", "English", ENANO_ROOT . "/language/english/enano.json");</pre>'); } $row = $db->fetchrow(); setConfig('default_language', $row['lang_id']);}profiler_log('Ran checks');// Init cache$cache = new CacheManager();// Load plugin manager$plugins = new pluginLoader();//// Mainstream API boot-up//// Obtain list of plugins$plugins->loadAll();profiler_log('Fetched plugin list');global $plugins;// Load plugins from common because we can't give plugins full abilities in object contextforeach ( $plugins->load_list as $f ){ if ( file_exists(ENANO_ROOT . '/plugins/' . $f) ) include_once ENANO_ROOT . '/plugins/' . $f;}profiler_log('Loaded plugins');// Three fifths of the Enano API gets the breath of life right here.$session = new sessionManager();$paths = new pathManager();$template = new template();$email = new EmailEncryptor();profiler_log('Instanciated important singletons');// We've got the five main objects - flick on the switch so if a problem occurs, we can have a "friendly" UIdefine('ENANO_BASE_CLASSES_INITIALIZED', '');// From here on out, none of this functionality is needed during the installer stage.// Once $paths->init() is called, we could be redirected to the main page, so we don't want// that if the installer's running. Don't just go and define IN_ENANO_INSTALL from your// script though, because that will make the DBAL look in the wrong place for the config file.if ( !defined('IN_ENANO_INSTALL') ){ // And here you have it, the de facto way to place a hook. Plugins can place hooks and hook // into other plugins. You just never know. $code = $plugins->setHook('base_classes_initted'); foreach ( $code as $cmd ) { eval($cmd); } profiler_log('Finished base_classes_initted hook'); // For special and administration pages, sometimes there is a "preloader" function that must be run // before the session manager and/or path manager get the init signal. Call it here. $p = RenderMan::strToPageId($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].'_'.$p[0].'_preloader'); } profiler_log('Checked for preloader'); // One quick security check... if ( !is_valid_ip($_SERVER['REMOTE_ADDR']) ) { die('SECURITY: spoofed IP address: ' . htmlspecialchars($_SERVER['REMOTE_ADDR'])); } // All checks passed! Start the main components up. $session->start(); // Grab language strings from the database if ( is_object(@$lang) ) { $lang->fetch(); profiler_log('Fetched language strings'); } // Add all of our built in special pages foreach ( array('SpecialUserFuncs', 'SpecialPageFuncs', 'SpecialAdmin', 'SpecialCSS', 'SpecialUpDownload', 'SpecialSearch', 'PrivateMessages', 'SpecialGroups', 'SpecialRecentChanges') as $plugin ) { $funcname = "{$plugin}_paths_init"; if ( function_exists($funcname) ) { $funcname(); } } profiler_log('Added special pages'); // This is where plugins will want to add pages from 1.1.x on out. You can still add // pages at base_classes_initted but the titles won't be localized. This is because // the session manager has to be started before localization will work in the user's // preferred language. $code = $plugins->setHook('session_started'); foreach ( $code as $cmd ) { eval($cmd); } profiler_log('Ran session_started hook'); $paths->init(); // We're ready for whatever life throws us now, at least from an API point of view. 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) { // is this one of the more critical special pages? if ( $paths->namespace == 'Admin' || ( $paths->namespace == 'Special' && ( $paths->page_id == 'CSS' || $paths->page_id == 'Administration' || $paths->page_id == 'Login' ) ) ) { // yeah, we need to keep this page available. do nothing; allow execution to continue } else { if(!$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 ) { // If the site is disabled but the user has admin rights, allow browsing // and stuff, but display the orange box notifying the admin. $template->site_disabled = true; } // At this point all of Enano is fully initialized and running and you're ready to do whatever you want. $code = $plugins->setHook('common_post'); foreach ( $code as $cmd ) { eval($cmd); } profiler_log('Ran disabled-site checks and common_post'); load_rank_data(); profiler_log('Loaded user rank data'); if ( isset($_GET['noheaders']) ) $template->no_headers = true;}profiler_log('common finished');// That's the end. Enano should be loaded now :-)?>