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- <?php
- /***************************************************************************
- * common.php
- * -------------------
- * begin : Saturday, Feb 23, 2001
- * copyright : (C) 2001 The phpBB Group
- * email : support@phpbb.com
- *
- * $Id: common.php,v 1.74.2.25 2006/05/26 17:46:59 grahamje Exp $
- *
- ***************************************************************************/
-
- /***************************************************************************
- *
- * 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, or
- * (at your option) any later version.
- *
- ***************************************************************************/
-
- if ( !defined('IN_PHPBB') )
- {
- die("Hacking attempt");
- }
-
- //
- error_reporting (E_ERROR | E_WARNING | E_PARSE); // This will NOT report uninitialized variables
- set_magic_quotes_runtime(0); // Disable magic_quotes_runtime
-
- // The following code (unsetting globals)
- // Thanks to Matt Kavanagh and Stefan Esser for providing feedback as well as patch files
-
- // PHP5 with register_long_arrays off?
- if (@phpversion() >= '5.0.0' && (!@ini_get('register_long_arrays') || @ini_get('register_long_arrays') == '0' || strtolower(@ini_get('register_long_arrays')) == 'off'))
- {
- $HTTP_POST_VARS = $_POST;
- $HTTP_GET_VARS = $_GET;
- $HTTP_SERVER_VARS = $_SERVER;
- $HTTP_COOKIE_VARS = $_COOKIE;
- $HTTP_ENV_VARS = $_ENV;
- $HTTP_POST_FILES = $_FILES;
-
- // _SESSION is the only superglobal which is conditionally set
- if (isset($_SESSION))
- {
- $HTTP_SESSION_VARS = $_SESSION;
- }
- }
-
- // Protect against GLOBALS tricks
- if (isset($HTTP_POST_VARS['GLOBALS']) || isset($HTTP_POST_FILES['GLOBALS']) || isset($HTTP_GET_VARS['GLOBALS']) || isset($HTTP_COOKIE_VARS['GLOBALS']))
- {
- die("Hacking attempt");
- }
-
- // Protect against HTTP_SESSION_VARS tricks
- if (isset($HTTP_SESSION_VARS) && !is_array($HTTP_SESSION_VARS))
- {
- die("Hacking attempt");
- }
-
- if (@ini_get('register_globals') == '1' || strtolower(@ini_get('register_globals')) == 'on')
- {
- // PHP4+ path
- $not_unset = array('HTTP_GET_VARS', 'HTTP_POST_VARS', 'HTTP_COOKIE_VARS', 'HTTP_SERVER_VARS', 'HTTP_SESSION_VARS', 'HTTP_ENV_VARS', 'HTTP_POST_FILES', 'phpEx', 'phpbb_root_path');
-
- // Not only will array_merge give a warning if a parameter
- // is not an array, it will actually fail. So we check if
- // HTTP_SESSION_VARS has been initialised.
- if (!isset($HTTP_SESSION_VARS) || !is_array($HTTP_SESSION_VARS))
- {
- $HTTP_SESSION_VARS = array();
- }
-
- // Merge all into one extremely huge array; unset
- // this later
- $input = array_merge($HTTP_GET_VARS, $HTTP_POST_VARS, $HTTP_COOKIE_VARS, $HTTP_SERVER_VARS, $HTTP_SESSION_VARS, $HTTP_ENV_VARS, $HTTP_POST_FILES);
-
- unset($input['input']);
- unset($input['not_unset']);
-
- while (list($var,) = @each($input))
- {
- if (in_array($var, $not_unset))
- {
- die('Hacking attempt!');
- }
- unset($$var);
- }
-
- unset($input);
- }
-
- //
- // addslashes to vars if magic_quotes_gpc is off
- // this is a security precaution to prevent someone
- // trying to break out of a SQL statement.
- //
- if( !get_magic_quotes_gpc() )
- {
- if( is_array($HTTP_GET_VARS) )
- {
- while( list($k, $v) = each($HTTP_GET_VARS) )
- {
- if( is_array($HTTP_GET_VARS[$k]) )
- {
- while( list($k2, $v2) = each($HTTP_GET_VARS[$k]) )
- {
- $HTTP_GET_VARS[$k][$k2] = addslashes($v2);
- }
- @reset($HTTP_GET_VARS[$k]);
- }
- else
- {
- $HTTP_GET_VARS[$k] = addslashes($v);
- }
- }
- @reset($HTTP_GET_VARS);
- }
-
- if( is_array($HTTP_POST_VARS) )
- {
- while( list($k, $v) = each($HTTP_POST_VARS) )
- {
- if( is_array($HTTP_POST_VARS[$k]) )
- {
- while( list($k2, $v2) = each($HTTP_POST_VARS[$k]) )
- {
- $HTTP_POST_VARS[$k][$k2] = addslashes($v2);
- }
- @reset($HTTP_POST_VARS[$k]);
- }
- else
- {
- $HTTP_POST_VARS[$k] = addslashes($v);
- }
- }
- @reset($HTTP_POST_VARS);
- }
-
- if( is_array($HTTP_COOKIE_VARS) )
- {
- while( list($k, $v) = each($HTTP_COOKIE_VARS) )
- {
- if( is_array($HTTP_COOKIE_VARS[$k]) )
- {
- while( list($k2, $v2) = each($HTTP_COOKIE_VARS[$k]) )
- {
- $HTTP_COOKIE_VARS[$k][$k2] = addslashes($v2);
- }
- @reset($HTTP_COOKIE_VARS[$k]);
- }
- else
- {
- $HTTP_COOKIE_VARS[$k] = addslashes($v);
- }
- }
- @reset($HTTP_COOKIE_VARS);
- }
- }
-
- //
- // Define some basic configuration arrays this also prevents
- // malicious rewriting of language and otherarray values via
- // URI params
- //
- $board_config = array();
- $userdata = array();
- $theme = array();
- $images = array();
- $lang = array();
- $nav_links = array();
- $dss_seeded = false;
- $gen_simple_header = FALSE;
-
- include($phpbb_root_path . 'config.'.$phpEx);
-
- if( !defined("PHPBB_INSTALLED") )
- {
- header('Location: ' . $phpbb_root_path . 'install/install.' . $phpEx);
- exit;
- }
-
- include($phpbb_root_path . 'includes/constants.'.$phpEx);
- include($phpbb_root_path . 'includes/template.'.$phpEx);
- include($phpbb_root_path . 'includes/sessions.'.$phpEx);
- include($phpbb_root_path . 'includes/auth.'.$phpEx);
- include($phpbb_root_path . 'includes/functions.'.$phpEx);
- include($phpbb_root_path . 'includes/db.'.$phpEx);
-
- // We do not need this any longer, unset for safety purposes
- unset($dbpasswd);
-
- //
- // Obtain and encode users IP
- //
- // I'm removing HTTP_X_FORWARDED_FOR ... this may well cause other problems such as
- // private range IP's appearing instead of the guilty routable IP, tough, don't
- // even bother complaining ... go scream and shout at the idiots out there who feel
- // "clever" is doing harm rather than good ... karma is a great thing ... :)
- //
- $client_ip = ( !empty($HTTP_SERVER_VARS['REMOTE_ADDR']) ) ? $HTTP_SERVER_VARS['REMOTE_ADDR'] : ( ( !empty($HTTP_ENV_VARS['REMOTE_ADDR']) ) ? $HTTP_ENV_VARS['REMOTE_ADDR'] : getenv('REMOTE_ADDR') );
- $user_ip = encode_ip($client_ip);
-
- //
- // Setup forum wide options, if this fails
- // then we output a CRITICAL_ERROR since
- // basic forum information is not available
- //
- $sql = "SELECT *
- FROM " . CONFIG_TABLE;
- if( !($result = $db->sql_query($sql)) )
- {
- message_die(CRITICAL_ERROR, "Could not query config information", "", __LINE__, __FILE__, $sql);
- }
-
- while ( $row = $db->sql_fetchrow($result) )
- {
- $board_config[$row['config_name']] = $row['config_value'];
- }
-
- if (file_exists('install') || file_exists('contrib'))
- {
- message_die(GENERAL_MESSAGE, 'Please_remove_install_contrib');
- }
-
- //
- // Show 'Board is disabled' message if needed.
- //
- if( $board_config['board_disable'] && !defined("IN_ADMIN") && !defined("IN_LOGIN") )
- {
- message_die(GENERAL_MESSAGE, 'Board_disable', 'Information');
- }
-
- ?>