<?php

/***********************************************************************

  Copyright (C) 2002-2005  Rickard Andersson (rickard@punbb.org)

  This file is part of PunBB.

  PunBB 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.

  PunBB 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 more details.

  You should have received a copy of the GNU General Public License

  along with this program; if not, write to the Free Software

  Foundation, Inc., 59 Temple Place, Suite 330, Boston,

  MA  02111-1307  USA

************************************************************************/

// Enable DEBUG mode by removing // from the following line

//define('PUN_DEBUG', 1);

// This displays all executed queries in the page footer.

// DO NOT enable this in a production environment!

//define('PUN_SHOW_QUERIES', 1);

if (!defined('PUN_ROOT'))

	exit('The constant PUN_ROOT must be defined and point to a valid PunBB installation root directory.');

// Load the functions script

require PUN_ROOT.'include/functions.php';

// Reverse the effect of register_globals

unregister_globals();

@include PUN_ROOT.'config.php';

// If PUN isn't defined, config.php is missing or corrupt

if (!defined('PUN'))

	exit('The file \'config.php\' doesn\'t exist or is corrupt. Please run <a href="install.php">install.php</a> to install PunBB first.');

// Record the start time (will be used to calculate the generation time for the page)

list($usec, $sec) = explode(' ', microtime());

$pun_start = ((float)$usec + (float)$sec);

// Make sure PHP reports all errors except E_NOTICE. PunBB supports E_ALL, but a lot of scripts it may interact with, do not.

error_reporting(E_ALL ^ E_NOTICE);

// Turn off magic_quotes_runtime

set_magic_quotes_runtime(0);

// Strip slashes from GET/POST/COOKIE (if magic_quotes_gpc is enabled)

if (get_magic_quotes_gpc())

{

	function stripslashes_array($array)

	{

		return is_array($array) ? array_map('stripslashes_array', $array) : stripslashes($array);

	}

	$_GET = stripslashes_array($_GET);

	$_POST = stripslashes_array($_POST);

	$_COOKIE = stripslashes_array($_COOKIE);

}

// Seed the random number generator

mt_srand((double)microtime()*1000000);

// If a cookie name is not specified in config.php, we use the default (punbb_cookie)

if (empty($cookie_name))

	$cookie_name = 'punbb_cookie';

// Define a few commonly used constants

define('PUN_UNVERIFIED', 32000);

define('PUN_ADMIN', 1);

define('PUN_MOD', 2);

define('PUN_GUEST', 3);

define('PUN_MEMBER', 4);

// Load DB abstraction layer and connect

require PUN_ROOT.'include/dblayer/common_db.php';

// Start a transaction

$db->start_transaction();

// Load cached config

@include PUN_ROOT.'cache/cache_config.php';

if (!defined('PUN_CONFIG_LOADED'))

{

	require PUN_ROOT.'include/cache.php';

	generate_config_cache();

	require PUN_ROOT.'cache/cache_config.php';

}

// Enable output buffering

if (!defined('PUN_DISABLE_BUFFERING'))

{

	// For some very odd reason, "Norton Internet Security" unsets this

	$_SERVER['HTTP_ACCEPT_ENCODING'] = isset($_SERVER['HTTP_ACCEPT_ENCODING']) ? $_SERVER['HTTP_ACCEPT_ENCODING'] : '';

	// Should we use gzip output compression?

	if ($pun_config['o_gzip'] && extension_loaded('zlib') && (strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false || strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') !== false))

		ob_start('ob_gzhandler');

	else

		ob_start();

}

// Check/update/set cookie and fetch user info

$pun_user = array();

check_cookie($pun_user);

// Attempt to load the common language file

@include PUN_ROOT.'lang/'.$pun_user['language'].'/common.php';

if (!isset($lang_common))

	exit('There is no valid language pack \''.pun_htmlspecialchars($pun_user['language']).'\' installed. Please reinstall a language of that name.');

// Check if we are to display a maintenance message

if ($pun_config['o_maintenance'] && $pun_user['g_id'] > PUN_ADMIN && !defined('PUN_TURN_OFF_MAINT'))

	maintenance_message();

// Load cached bans

@include PUN_ROOT.'cache/cache_bans.php';

if (!defined('PUN_BANS_LOADED'))

{

	require_once PUN_ROOT.'include/cache.php';

	generate_bans_cache();

	require PUN_ROOT.'cache/cache_bans.php';

}

// Check if current user is banned

check_bans();

// Update online list

update_users_online();