common.php

<?php
/***************************************************************************
 *		common.php
 *		-------------------
 *      Разработка: phpBB Group.
 *      Оптимизация под WAP: Гутник Игорь ( чел ).
 *          2010 год
 *		简体中文：爱疯的云
 ***************************************************************************/

if ( !defined('IN_PHPBB') )
{
	die("Hacking attempt");
}

//报告运行时错误
error_reporting  (E_ERROR | E_WARNING | E_PARSE); 
//关闭 magic_quotes_runtime
set_magic_quotes_runtime(0); 

// PHP版本大于或等于 5.0.0和register_long_arrays 为 off 
if (@phpversion() >= '5.0.0' && (!@ini_get('register_long_arrays') || @ini_get('register_long_arrays') == '0' || strtolower(@ini_get('register_long_arrays')) == 'off'))
{
	//用自己的方法替换PHP默认方法
	$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;
	}
}

// 保护 GLOBALS
if (isset($HTTP_POST_VARS['GLOBALS']) || isset($HTTP_POST_FILES['GLOBALS']) || isset($HTTP_GET_VARS['GLOBALS']) || isset($HTTP_COOKIE_VARS['GLOBALS']))
{
	die("Hacking attempt");
}

// 保护 HTTP_SESSION_VARS
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')
{
	//PHP4.0+
	$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');

	if (!isset($HTTP_SESSION_VARS) || !is_array($HTTP_SESSION_VARS))
	{
		$HTTP_SESSION_VARS = array();
	}

	$input = array_merge($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);
}

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);
	}
}

// 具体使用请参见 PHP Array
$board_config = array();
$userdata = array();
$theme = array();
$images = array();
$lang = array();
$nav_links = array();
$gen_simple_header = FALSE;

//包含config.php文件
include($phpbb_root_path . 'config.'.$phpEx);

//如果 PHPBB_INSTALLED不存在，则进行安装，PHPBB_INSTALLED常量在config文件中
if( !defined("PHPBB_INSTALLED") )
{
	header('Location: ' . $phpbb_root_path . 'install/install.' . $phpEx);
	exit;
}

//包含一些文件
include($phpbb_root_path . 'includes/functions_u2w.'.$phpEx);
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);
include($phpbb_root_path . 'includes/functions_report.'.$phpEx);

// 释放变量 $dbpasswd,为了安全起见
unset($dbpasswd);

// 获取用户Agent、IP
$user_agent = (isset($HTTP_SERVER_VARS['HTTP_USER_AGENT'])) ? $HTTP_SERVER_VARS['HTTP_USER_AGENT'] : getenv('HTTP_USER_AGENT');
$client_ip = ( !empty($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, false);

$sql = "SELECT *
	FROM " . CONFIG_TABLE;
if( !($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']] = $row['config_value'];
}
include($phpbb_root_path . 'attach/attachment_mod.'.$phpEx);

if (file_exists('install'))
{
	message_die(GENERAL_MESSAGE, 'Please_remove_install');
}

if( $board_config['board_disable'] && !defined("IN_ADMIN") && !defined("IN_LOGIN") )
{
	message_die(GENERAL_MESSAGE, 'Board_disable', 'Information');
}

?>