/**

*

* @package phpBB3

* @version $Id: common.php 8760 2008-08-15 19:46:51Z aptx $

* @copyright (c) 2005 phpBB Group

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

*

* Minimum Requirement: PHP 4.3.3

*/

/**

*/

if (!defined('IN_PHPBB'))

{

	exit;

}

$starttime = explode(' ', microtime());

$starttime = $starttime[1] + $starttime[0];

// Report all errors, except notices

error_reporting(E_ALL ^ E_NOTICE);

/*

* Remove variables created by register_globals from the global scope

* Thanks to Matt Kavanagh

*/

function deregister_globals()

{

	$not_unset = array(

		'GLOBALS'	=> true,

		'_GET'		=> true,

		'_POST'		=> true,

		'_COOKIE'	=> true,

		'_REQUEST'	=> true,

		'_SERVER'	=> true,

		'_SESSION'	=> true,

		'_ENV'		=> true,

		'_FILES'	=> true,

		'phpEx'		=> true,

		'phpbb_root_path'	=> true

	);

	// Not only will array_merge and array_keys give a warning if

	// a parameter is not an array, array_merge will actually fail.

	// So we check if _SESSION has been initialised.

	if (!isset($_SESSION) || !is_array($_SESSION))

	{

		$_SESSION = array();

	}

	// Merge all into one extremely huge array; unset this later

	$input = array_merge(

		array_keys($_GET),

		array_keys($_POST),

		array_keys($_COOKIE),

		array_keys($_SERVER),

		array_keys($_SESSION),

		array_keys($_ENV),

		array_keys($_FILES)

	);

	foreach ($input as $varname)

	{

		if (isset($not_unset[$varname]))

		{

			// Hacking attempt. No point in continuing unless it's a COOKIE

			if ($varname !== 'GLOBALS' || isset($_GET['GLOBALS']) || isset($_POST['GLOBALS']) || isset($_SERVER['GLOBALS']) || isset($_SESSION['GLOBALS']) || isset($_ENV['GLOBALS']) || isset($_FILES['GLOBALS']))

			{

				exit;

			}

			else

			{

				$cookie = &$_COOKIE;

				while (isset($cookie['GLOBALS']))

				{

					foreach ($cookie['GLOBALS'] as $registered_var => $value)

					{

						if (!isset($not_unset[$registered_var]))

						{

							unset($GLOBALS[$registered_var]);

						}

					}

					$cookie = &$cookie['GLOBALS'];

				}

			}

		}

		unset($GLOBALS[$varname]);

	}

	unset($input);

}

// If we are on PHP >= 6.0.0 we do not need some code

if (version_compare(PHP_VERSION, '6.0.0-dev', '>='))

{

	/**

	* @ignore

	*/

	define('STRIP', false);

}

else

{

	@set_magic_quotes_runtime(0);

	// Be paranoid with passed vars

	if (@ini_get('register_globals') == '1' || strtolower(@ini_get('register_globals')) == 'on' || !function_exists('ini_get'))

	{

		deregister_globals();

	}

	define('STRIP', (get_magic_quotes_gpc()) ? true : false);

}

if (defined('IN_CRON'))

{

	$phpbb_root_path = dirname(__FILE__) . DIRECTORY_SEPARATOR;

}

if (!file_exists($phpbb_root_path . 'config.' . $phpEx))

{

	die("
The config.$phpEx file could not be found.
Click here to install phpBB
");

}

require($phpbb_root_path . 'config.' . $phpEx);

if (!defined('PHPBB_INSTALLED'))

{

	// Redirect the user to the installer

	// We have to generate a full HTTP/1.1 header here since we can't guarantee to have any of the information

	// available as used by the redirect function

	$server_name = (!empty($_SERVER['HTTP_HOST'])) ? strtolower($_SERVER['HTTP_HOST']) : ((!empty($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : getenv('SERVER_NAME'));

	$server_port = (!empty($_SERVER['SERVER_PORT'])) ? (int) $_SERVER['SERVER_PORT'] : (int) getenv('SERVER_PORT');

	$secure = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') ? 1 : 0;

	$script_name = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : getenv('PHP_SELF');

	if (!$script_name)

	{

		$script_name = (!empty($_SERVER['REQUEST_URI'])) ? $_SERVER['REQUEST_URI'] : getenv('REQUEST_URI');

	}

	// Replace any number of consecutive backslashes and/or slashes with a single slash

	// (could happen on some proxy setups and/or Windows servers)

	$script_path = trim(dirname($script_name)) . '/install/index.' . $phpEx;

	$script_path = preg_replace('#[\\\\/]{2,}#', '/', $script_path);

	$url = (($secure) ? 'https://' : 'http://') . $server_name;

	if ($server_port && (($secure && $server_port <> 443) || (!$secure && $server_port <> 80)))

	{

		// HTTP HOST can carry a port number...

		if (strpos($server_name, ':') === false)

		{

			$url .= ':' . $server_port;

		}

	}

	$url .= $script_path;

	header('Location: ' . $url);

	exit;

}

if (defined('DEBUG_EXTRA'))

{

	$base_memory_usage = 0;

	if (function_exists('memory_get_usage'))

	{

		$base_memory_usage = memory_get_usage();

	}

}

// Load Extensions

if (!empty($load_extensions))

{

	$load_extensions = explode(',', $load_extensions);

	foreach ($load_extensions as $extension)

	{

		@dl(trim($extension));

	}

}

// Include files

require($phpbb_root_path . 'includes/acm/acm_' . $acm_type . '.' . $phpEx);

require($phpbb_root_path . 'includes/cache.' . $phpEx);

require($phpbb_root_path . 'includes/template.' . $phpEx);

require($phpbb_root_path . 'includes/session.' . $phpEx);

require($phpbb_root_path . 'includes/auth.' . $phpEx);

require($phpbb_root_path . 'includes/functions.' . $phpEx);

require($phpbb_root_path . 'includes/functions_content.' . $phpEx);

require($phpbb_root_path . 'includes/constants.' . $phpEx);

require($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);

require($phpbb_root_path . 'includes/utf/utf_tools.' . $phpEx);

// Set PHP error handler to ours

set_error_handler(defined('PHPBB_MSG_HANDLER') ? PHPBB_MSG_HANDLER : 'msg_handler');

// Instantiate some basic classes

$user		= new user();

$auth		= new auth();

$template	= new template();

$cache		= new cache();

$db			= new $sql_db();

// Connect to DB

$db->sql_connect($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false, defined('PHPBB_DB_NEW_LINK') ? PHPBB_DB_NEW_LINK : false);

// We do not need this any longer, unset for safety purposes

unset($dbpasswd);

// Grab global variables, re-cache if necessary

$config = $cache->obtain_config();

// Add own hook handler

require($phpbb_root_path . 'includes/hooks/index.' . $phpEx);

$phpbb_hook = new phpbb_hook(array('exit_handler', 'phpbb_user_session_handler', 'append_sid', array('template', 'display')));

foreach ($cache->obtain_hooks() as $hook)

{

	@include($phpbb_root_path . 'includes/hooks/' . $hook . '.' . $phpEx);

}

?>