<?php
/***************************************************************************
 *                                install.php
 *                            -------------------
 *   begin                : Tuesday, Sept 11, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id$
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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.
 *
 ***************************************************************************/

//error_reporting  (E_ERROR | E_WARNING | E_PARSE); // This will NOT report uninitialized variables
error_reporting  (E_ERROR | E_WARNING | E_PARSE | E_WARNING); // This will NOT report uninitialized variables
set_magic_quotes_runtime(0); // Disable magic_quotes_runtime

if (!get_magic_quotes_gpc())
{
	$_REQUEST = slash_input_data($_REQUEST);
	$_GET = slash_input_data($_GET);
	$_POST = slash_input_data($_POST);
}

define('IN_PHPBB', true);
$phpbb_root_path='./../';
require($phpbb_root_path . 'extension.inc');
require($phpbb_root_path . 'includes/functions.'.$phpEx);


// Set some vars
define('ANONYMOUS', 1);
define('ACL_NO', 0);
define('ACL_YES', 1);
define('ACL_UNSET', -1);

$default_language = 'en';
$default_template = 'subSilver';

$available_dbms = array(
	'firebird' => array(
		'LABEL' => 'FireBird',
		'SCHEMA' => 'firebird',
		'DELIM' => ';',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_remarks'
	),
	'mysql' => array(
		'LABEL' => 'MySQL 3.x',
		'SCHEMA' => 'mysql',
		'DELIM' => ';',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_remarks'
	),
	'mysql4' => array(
		'LABEL' => 'MySQL 4.x',
		'SCHEMA' => 'mysql',
		'DELIM' => ';',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_remarks'
	),
	'mssql' => array(
		'LABEL' => 'MS SQL Server 7/2000',
		'SCHEMA' => 'mssql',
		'DELIM' => 'GO',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_comments'
	),
	'msaccess' => array(
		'LABEL' => 'MS Access [ ODBC ]',
		'SCHEMA' => '',
		'DELIM' => '',
		'DELIM_BASIC' => ';',
		'COMMENTS' => ''
	),
	'mssql-odbc' =>	array(
		'LABEL' => 'MS SQL Server [ ODBC ]',
		'SCHEMA' => 'mssql',
		'DELIM' => 'GO',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_comments'
	), 
	'postgres' => array(
		'LABEL' => 'PostgreSQL 7.x',
		'SCHEMA' => 'postgres',
		'DELIM' => ';',
		'DELIM_BASIC' => ';',
		'COMMENTS' => 'remove_comments'
	),
);

// Try and load an appropriate language
if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE']))
{
	$accept_lang_ary = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
	foreach ($accept_lang_ary as $accept_lang)
	{
		// Set correct format ... guess full xx_YY form
		$accept_lang = substr($accept_lang, 0, 2) . '_' . strtoupper(substr($accept_lang, 3, 2));
		if (file_exists($phpbb_root_path . 'language/' . $accept_lang))
		{
			$default_language = $accept_lang;
			break;
		}
		else
		{
			// No match on xx_YY so try xx
			$accept_lang = substr($accept_lang, 0, 2);
			if (file_exists($phpbb_root_path . 'language/' . $accept_lang))
			{
				$default_language = $accept_lang;
				break;
			}
		}
	}
}

// Obtain various vars
$confirm = (isset($_POST['confirm'])) ? true : false;
$cancel = (isset($_POST['cancel'])) ? true : false;
$install_step = (isset($_REQUEST['install_step'])) ? $_REQUEST['install_step'] : '';
$upgrade = (!empty($_POST['upgrade'])) ? $_POST['upgrade']: '';
$upgrade_now = (!empty($_POST['upgrade_now'])) ? $_POST['upgrade_now']:'';

$language = (!empty($_POST['language'])) ? htmlspecialchars($_POST['language']) : $default_language;
$dbms = isset($_POST['dbms']) ? $_POST['dbms'] : '';
$dbhost = (!empty($_POST['dbhost'])) ? $_POST['dbhost'] : '';
$dbuser = (!empty($_POST['dbuser'])) ? $_POST['dbuser'] : '';
$dbpasswd = (!empty($_POST['dbpasswd'])) ? $_POST['dbpasswd'] : '';
$dbname = (!empty($_POST['dbname'])) ? $_POST['dbname'] : '';
$table_prefix = (!empty($_POST['prefix'])) ? $_POST['prefix'] : '';

$admin_name = (!empty($_POST['admin_name'])) ? htmlspecialchars($_POST['admin_name']) : '';
$admin_pass1 = (!empty($_POST['admin_pass1'])) ? htmlspecialchars($_POST['admin_pass1']) : '';
$admin_pass2 = (!empty($_POST['admin_pass2'])) ? htmlspecialchars($_POST['admin_pass2']) : '';
$board_email1 = (!empty($_POST['board_email1'])) ? htmlspecialchars($_POST['board_email1']) : '';
$board_email2 = (!empty($_POST['board_email2'])) ? htmlspecialchars($_POST['board_email2']) : '';

$server_name = (!empty($_POST['server_name'])) ? htmlspecialchars($_POST['server_name']) : '';
$server_port = (!empty($_POST['server_port'])) ? htmlspecialchars($_POST['server_port']) : '';
$script_path = (!empty($_POST['script_path'])) ? htmlspecialchars($_POST['script_path']) : '';

$ftp_path = (!empty($_POST['ftp_path'])) ? $_POST['ftp_path'] : '';
$ftp_user = (!empty($_POST['ftp_user'])) ? $_POST['ftp_user'] : '';
$ftp_pass = (!empty($_POST['ftp_pass'])) ? $_POST['ftp_pass'] : '';


// Try opening config file
if (@file_exists('../config.'.$phpEx))
{
//	include('../config.'.$phpEx);
}


// Do we install/upgrade/update or quit back to index?
if (defined('PHPBB_INSTALLED'))
{
//	redirect("../index.$phpEx");
}

// Include essential scripts
include($phpbb_root_path . 'includes/session.'.$phpEx);
include($phpbb_root_path . 'includes/acm/acm_file.'.$phpEx);
include($phpbb_root_path . 'includes/functions_admin.'.$phpEx);

// Import language file, setup template ...
include($phpbb_root_path . 'language/' . $language . '/lang_main.'.$phpEx);
include($phpbb_root_path . 'language/' . $language . '/lang_admin.'.$phpEx);

// If we're upgrading include that script
if ($upgrade)
{
	require('upgrade.' . $phpEx);
	$install_step = 1;
}

// Instantiate classes for future use
$user = new user();
$auth = new auth();
$cache = new acm();


// What shall we do?
if (!empty($_POST['send_file']) && $_POST['send_file'] == 1  && !defined('PHPBB_INSTALLED') && empty($_POST['upgrade_now']))
{
	// We need to stripslashes no matter what the setting of magic_quotes_gpc is
	// because we add slahes at the top if its off, and they are added automaticlly
	// if it is on.
	$_POST['config_data'] = stripslashes($_POST['config_data']);

	header("Content-Type: text/x-delimtext; name=\"config.$phpEx\"");
	header("Content-disposition: attachment; filename=config.$phpEx");
	echo $_POST['config_data'];
	exit;

}
else if (!empty($_POST['send_file']) && $_POST['send_file'] == 2 && !defined("PHPBB_INSTALLED"))
{
	// Ok we couldn't write the config file so let's try ftping it.
	$_POST['config_data'] = stripslashes($_POST['config_data']);

	$s_hidden_fields = '<input type="hidden" name="config_data" value="' . htmlspecialchars($_POST['config_data']) . '" />';
	$s_hidden_fields .= '<input type="hidden" name="ftp_file" value="1" />';

	if ($upgrade == 1)
	{
		$s_hidden_fields .= '<input type="hidden" name="upgrade" value="1" />';
	}

	inst_page_header($lang['FTP_INSTRUCTS']);

?>
	<tr>
		<th colspan="2"><?php echo $lang['FTP_INFO']; ?></th>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['FTP_PATH']; ?></span></td>
		<td class="row2"><input type="text" name="ftp_dir"></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['FTP_USERNAME']; ?></span></td>
		<td class="row2"><input type="text" name="ftp_user"></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['FTP_PASSWORD']; ?></span></td>
		<td class="row2"><input type="password" name="ftp_pass"></td>
	</tr>
<?php

	page_common_form($s_hidden_fields, $lang['TRANSFER_CONFIG']);
	inst_page_footer();
	exit;

}
else if (!empty($_POST['ftp_file']) && !defined("PHPBB_INSTALLED"))
{
	// Here we'll actually send the file...
	$_POST['config_data'] = stripslashes($_POST['config_data']);

	$conn_id = @ftp_connect('localhost');
	$login_result = @ftp_login($conn_id, $ftp_user, $ftp_pass);

	if (!$conn_id || !$login_result)
	{
		// Error couldn't get connected... Go back to option to send file...
		$s_hidden_fields = '<input type="hidden" name="config_data" value="' . htmlspecialchars($_POST['config_data']) . '" />';
		$s_hidden_fields .= '<input type="hidden" name="send_file" value="1" />';

		inst_page_header($lang['NO_FTP_CONFIG'], "install.$phpEx");

		if ($upgrade)
		{
			$s_hidden_fields .= '<input type="hidden" name="upgrade" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="dbms" value="' . $dmbs . '" />';
			$s_hidden_fields .= '<input type="hidden" name="prefix" value="' . $table_prefix . '" />';
			$s_hidden_fields .= '<input type="hidden" name="dbhost" value="' . $dbhost . '" />';
			$s_hidden_fields .= '<input type="hidden" name="dbname" value="' . $dbname . '" />';
			$s_hidden_fields .= '<input type="hidden" name="dbuser" value="' . $dbuser . '" />';
			$s_hidden_fields .= '<input type="hidden" name="dbpasswd" value="' . $dbpasswd . '" />';
			$s_hidden_fields .= '<input type="hidden" name="install_step" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="admin_pass1" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="admin_pass2" value="1" />';
			$s_hidden_fields .= '<input type="hidden" name="server_port" value="' . $server_port . '" />';
			$s_hidden_fields .= '<input type="hidden" name="server_name" value="' . $server_name . '" />';
			$s_hidden_fields .= '<input type="hidden" name="script_path" value="' . $script_path . '" />';
			$s_hidden_fields .= '<input type="hidden" name="board_email1" value="' . $board_email1 . '" />';
			$s_hidden_fields .= '<input type="hidden" name="board_email2" value="' . $board_email2 . '" />';

			page_upgrade_form();
		}
		else
		{
			page_common_form($s_hidden_fields, $lang['DOWNLOAD_CONFIG']);
		}

		inst_page_footer($lang['DOWNLOAD_CONFIG'], $s_hidden_fields);
		exit;
	}
	else
	{
		// Write out a temp file...
		$tmpfname = @tempnam('/tmp', 'cfg');
		@unlink($tmpfname); 

		$fp = @fopen($tmpfname, 'w');
		@fwrite($fp, $_POST['config_data']);
		@fclose($fp);

		// Now ftp it across.
		@ftp_chdir($conn_id, $ftp_dir);
		$res = @ftp_put($conn_id, 'config.' . $phpEx, $tmpfname, FTP_ASCII);
		@ftp_quit($conn_id);

		unlink($tmpfname);

		if ($upgrade)
		{
			require('upgrade.'.$phpEx);
			exit;
		}

		$sql = "SELECT * 
			FROM {$table_prefix}config";
		$result = $db->sql_query($sql);

		$config = array();
		while ($row = $db->sql_fetchrow($result))
		{
			$config[$row['config_name']] = $row['config_value'];
		}
		$db->sql_freeresult($result);

		// Log user in
		$auth->login($admin_name, $admin_pass1);

		inst_page_header($lang['INST_STEP_2'], "../adm/index.$phpEx$SID");
		inst_page_footer($lang['FINISH_INSTALL'], $s_hidden_fields);
		exit;
	}
}
else if ((empty($install_step) || $admin_pass1 != $admin_pass2 || $board_email1 != $board_email2 || empty($admin_pass1) || $dbhost == '')  && !defined("PHPBB_INSTALLED"))
{
	// Ok we haven't installed before so lets work our way through the various
	// steps of the install process.  This could turn out to be quite a lengty
	// process.

	// Step 0 gather the pertinant info for database setup...
	// Namely dbms, dbhost, dbname, dbuser, and dbpasswd.

	// Guess at some basic info used for install..
	if (!empty($_SERVER['SERVER_NAME']) || !empty($_ENV['SERVER_NAME']))
	{
		$server_name = (!empty($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : $_ENV['SERVER_NAME'];
	}
	else if (!empty($_SERVER['HTTP_HOST']) || !empty($_ENV['HTTP_HOST']))
	{
		$server_name = (!empty($_SERVER['HTTP_HOST'])) ? $_SERVER['HTTP_HOST'] : $_ENV['HTTP_HOST'];
	}
	else
	{
		$server_name = '';
	}

	if (!empty($_SERVER['SERVER_PORT']) || !empty($_ENV['SERVER_PORT']))
	{
		$server_port = (!empty($_SERVER['SERVER_PORT'])) ? $_SERVER['SERVER_PORT'] : $_ENV['SERVER_PORT'];
	}
	else
	{
		$server_port = '80';
	}

	$script_path = preg_replace('#install\/install\.'.$phpEx.'#i', '', $_SERVER['PHP_SELF']);

	// Generate installation form
	$instruction_text = $lang['INST_STEP_0'];

	if (!empty($install_step))
	{
		if ((($_POST['admin_pass1'] != $_POST['admin_pass2'])) ||
			(empty($_POST['admin_pass1']) || empty($dbhost)) && $_POST['cur_lang'] == $language)
		{
			$error = $lang['PASSWORD_MISMATCH'];
		}

		if ((($_POST['board_email1'] != $_POST['board_email2'])) ||
			(empty($_POST['board_email1']) || empty($dbhost)) && $_POST['cur_lang'] == $language)
		{
			$error = $lang['INSTALL_EMAIL_MISMATCH'];
		}
	}

	$lang_options = inst_language_select($language);

	foreach($available_dbms as $dbms_name => $details)
	{
		$selected = ($dbms_name == $dbms) ? ' selected="selected' : '';
		$dbms_options .= '<option value="' . $dbms_name . '">' . $details['LABEL'] . '</option>';
	}

	$upgrade_option = '<option value="0">' . $lang['INSTALL'] . '</option>';
	$upgrade_option .= '<option value="1">' . $lang['UPGRADE'] . '</option>';
	$upgrade_option .= '<option value="2">' . $lang['UPDATE'] . '</option>';

	$s_hidden_fields = '<input type="hidden" name="install_step" value="1" />';

	inst_page_header($instruction_text, "install.$phpEx");

?>
	<tr>
		<th colspan="2"><?php echo $lang['INITIAL_CONFIG']; ?></th>
	</tr>
	<tr>
		<td class="row1" align="right" width="40%"><span class="gen"><?php echo $lang['DEFAULT_LANG']; ?>: </span></td>
		<td class="row2"><select name="lang"><?php echo $lang_options; ?></select></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['DBMS']; ?>: </span></td>
		<td class="row2"><select name="dbms" onchange="if (document.install_form.upgrade.options[upgrade.selectedIndex].value == 1) { document.install_form.dbms.selectedIndex=0}"><?php echo $dbms_options; ?></select></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['INSTALL_METHOD']; ?>: </span></td>
		<td class="row2"><select name="upgrade" onchange="if (this.options[this.selectedIndex].value == 1) { document.install_form.dbms.selectedIndex=0; }"><?php echo $upgrade_option; ?></select></td>
	</tr>
	<tr>
		<th colspan="2"><?php echo $lang['DB_CONFIG']; ?></th>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_HOST']; ?>: </span></td>
		<td class="row2"><input type="text" name="dbhost" value="<?php echo ($dbhost != '') ? $dbhost : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_NAME']; ?>: </span></td>
		<td class="row2"><input type="text" name="dbname" value="<?php echo ($dbname != '') ? $dbname : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_USERNAME']; ?>: </span></td>
		<td class="row2"><input type="text" name="dbuser" value="<?php echo ($dbuser != '') ? $dbuser : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['DB_PASSWORD']; ?>: </span></td>
		<td class="row2"><input type="password" name="dbpasswd" value="<?php echo ($dbpasswd != '') ? $dbpasswd : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['TABLE_PREFIX']; ?>: </span></td>
		<td class="row2"><input type="text" name="prefix" value="<?php echo (!empty($table_prefix)) ? $table_prefix : 'phpbb_'; ?>" /></td>
	</tr>
	<tr>
		<th colspan="2"><?php echo $lang['ADMIN_CONFIG']; ?></th>
	</tr>
<?php

	if ($error)
	{
?>
	<tr>
		<td class="row1" colspan="2" align="center"><span class="gen" style="color:red"><?php echo $error; ?></span></td>
	</tr>
<?php

	}
?>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['SERVER_NAME']; ?>: </span></td>
		<td class="row2"><input type="text" name="server_name" value="<?php echo $server_name; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['SERVER_PORT']; ?>: </span></td>
		<td class="row2"><input type="text" name="server_port" value="<?php echo $server_port; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['SCRIPT_PATH']; ?>: </span></td>
		<td class="row2"><input type="text" name="script_path" value="<?php echo $script_path; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['ADMIN_USERNAME']; ?>: </span></td>
		<td class="row2"><input type="text" name="admin_name" value="<?php echo ($admin_name != '') ? $admin_name : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['ADMIN_EMAIL']; ?>: </span></td>
		<td class="row2"><input type="text" name="board_email1" value="<?php echo ($board_email1 != '') ? $board_email1 : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['ADMIN_EMAIL_CONFIRM']; ?>: </span></td>
		<td class="row2"><input type="text" name="board_email2" value="<?php echo ($board_email2 != '') ? $board_email2 : ''; ?>" /></td>
	</tr> 
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['ADMIN_PASSWORD']; ?>: </span></td>
		<td class="row2"><input type="password" name="admin_pass1" value="<?php echo ($admin_pass1 != '') ? $admin_pass1 : ''; ?>" /></td>
	</tr>
	<tr>
		<td class="row1" align="right"><span class="gen"><?php echo $lang['ADMIN_PASSWORD_CONFIRM']; ?>: </span></td>
		<td class="row2"><input type="password" name="admin_pass2" value="<?php echo ($admin_pass2 != '') ? $admin_pass2 : ''; ?>" /></td>
	</tr>
<?php

	inst_page_footer($lang['START_INSTALL'], $s_hidden_fields, "install.$phpEx");

	exit;
}
else
{
	$load_extensions = '';

	// Go ahead and create the DB, then populate it
	//
	// MS Access is slightly different in that a pre-built, pre-populated DB is supplied, 
	// all we need do here is update the relevant entries
	$check_exts = '';
	$check_other = array();
	switch ($dbms)
	{
		case 'firebird':
			$check_exts = 'interbase';
			$check_other[] = 'interbase';
		case 'mysql':
		case 'mysql4':
			$check_exts = 'mysql';
			$check_other[] = 'mysql';
			break;
		case 'msaccess':
		case 'mssql-odbc':
			$check_exts = 'odbc';
			$check_other[] = 'odbc';
			break;
		case 'mssql':
			$check_exts = 'mssql';
			$check_other[] = 'sybase';
			break;
		case 'postgres':
			$check_exts = 'pgsql';
			$check_other[] = 'pgsql';
			break;
	}

	// Add additional extension checks to this array
	$check_other = array_merge($check_other, array());

	if (!extension_loaded($check_exts) && !extension_loaded($check_other))
	{
		// Try to load the Extensions
		$loaded_extension = TRUE;

		if ((!@ini_get('safe_mode') || strtoupper(@ini_get('safe_mode')) == 'OFF') && 
			(@ini_get('enable_dl') || strtoupper(@ini_get('enable_dl')) == 'ON'))
		{
			$suffix = ((defined('PHP_OS')) && (preg_match('#win#i', PHP_OS))) ? '.dll' : '.so';

			if (!@extension_loaded($check_exts))
			{
				if (!@dl($check_exts . $suffix))
				{
					$loaded_extension = FALSE;
				}
				else
				{
					$load_extensions .= ($load_extensions == '') ? $check_exts . $suffix : ',' . $check_exts . $suffix;
				}
			}
			
			foreach ($check_other as $extension)
			{
				if (!@extension_loaded($extension))
				{
					if (!@dl($extension . $suffix))
					{
						$loaded_extension = FALSE;
						break;
					}
					else if ($loaded_extension)
					{
						$load_extensions .= ($load_extensions == '') ? $check_exts . $suffix : ',' . $check_exts . $suffix;
					}
				}
			}
		}

		if (!$loaded_extension)
		{
			inst_page_header($lang['INSTALL'], '');
			page_error($lang['INSTALLER_ERROR'], $lang['INSTALL_EXT_FAILED']);
			inst_page_footer();
			exit;
		}
	}

	// Load the appropriate database class
	include($phpbb_root_path . 'includes/db/' . $dbms . '.' . $phpEx);

	// Instantiate the database
	$db = new sql_db($dbhost, $dbuser, $dbpasswd, $dbname, $dbport, false);

	// Load the appropriate schema and basic data
	$dbms_schema = 'schemas/' . $available_dbms[$dbms]['SCHEMA'] . '_schema.sql';
	$dbms_basic = 'schemas/' . $available_dbms[$dbms]['SCHEMA'] . '_basic.sql';

	// How should we treat this schema?
	$remove_remarks = $available_dbms[$dbms]['COMMENTS'];;
	$delimiter = $available_dbms[$dbms]['DELIM'];
	$delimiter_basic = $available_dbms[$dbms]['DELIM_BASIC'];

	if ($install_step == 1 || $reinstall)
	{
		if ($upgrade != 1)
		{
			if ($dbms != 'msaccess')
			{
				// NOTE: trigger_error does not work here.
				$db->return_on_error = true;

				// Ok we have the db info go ahead and read in the relevant schema
				// and work on building the table.. probably ought to provide some
				// kind of feedback to the user as we are working here in order
				// to let them know we are actually doing something.
				$sql_query = @fread(@fopen($dbms_schema, 'r'), @filesize($dbms_schema));
				$sql_query = preg_replace('#phpbb_#is', $table_prefix, $sql_query);

				$sql_query = $remove_remarks($sql_query);
				$sql_query = split_sql_file($sql_query, $delimiter);
				$sql_count = count($sql_query);

				foreach ($sql_query as $sql)
				{
					$sql = str_replace('|', ';', $sql);

					if (!$db->sql_query($sql))
					{
						$error = $db->sql_error();
						inst_page_header($lang['INSTALL'], '');
						page_error($lang['INSTALLER_ERROR'], $lang['INSTALL_DB_ERROR'] . '<br />' . $error['message']);
						inst_page_footer();
						exit;
					}
				}

				// Ok tables have been built, let's fill in the basic information
				$sql_query = @fread(@fopen($dbms_basic, 'r'), @filesize($dbms_basic));
				$sql_query = preg_replace('#phpbb_#', $table_prefix, $sql_query);

				$sql_query = $remove_remarks($sql_query);
				$sql_query = split_sql_file($sql_query, $delimiter_basic);
				$sql_count = count($sql_query);

				foreach ($sql_query as $sql)
				{
					if (!$db->sql_query($sql))
					{
						$error = $db->sql_error();
						inst_page_header($lang['INSTALL'], '');
						page_error($lang['INSTALLER_ERROR'], $lang['INSTALL_DB_ERROR'] . '<br />' . $error['message']);
						inst_page_footer();
						exit;
					}
				}
			}

			// Set default config and post data 
			$sql_ary = array(
				"INSERT INTO " . $table_prefix . "config (config_name, config_value)
				VALUES ('board_startdate', " . time() . ")", 
				"INSERT INTO " . $table_prefix . "config (config_name, config_value)
				VALUES ('default_lang', '" . $db->sql_escape($language) . "')", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($server_name) . "'
				WHERE config_name = 'server_name'", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($server_port) . "'
				WHERE config_name = 'server_port'", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($script_path) . "'
				WHERE config_name = 'script_path'", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($board_email) . "'
				WHERE config_name = 'board_email'", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($server_name) . "'
				WHERE config_name = 'cookie_domain'", 
				"UPDATE " . $table_prefix . "config
				SET config_value = '" . $db->sql_escape($admin_name) . "'
				WHERE config_name = 'newest_username'", 
				"UPDATE " . $table_prefix . "users
				SET username = '" . $db->sql_escape($admin_name) . "', user_password='" . $db->sql_escape(md5($admin_pass1)) . "', user_lang = '" . $db->sql_escape($language) . "', user_email='" . $db->sql_escape($board_email) . "'
				WHERE username = 'Admin'", 
				"UPDATE " . $table_prefix . "moderator_cache
				SET username = '" . $db->sql_escape($admin_name) . "'
				WHERE username = 'Admin'", 
				"UPDATE " . $table_prefix . "forums
				SET forum_last_poster_name = '" . $db->sql_escape($admin_name) . "'
				WHERE forum_last_poster_name = 'Admin'", 
				"UPDATE " . $table_prefix . "topics
				SET topic_first_poster_name = '" . $db->sql_escape($admin_name) . "', topic_last_poster_name = '" . $db->sql_escape($admin_name) . "'
				WHERE topic_first_poster_name = 'Admin'
					OR topic_last_poster_name = 'Admin'", 
				"UPDATE " . $table_prefix . "users
				SET user_regdate = " . time()
			);

			foreach ($sql_ary as $sql)
			{
				if (!$db->sql_query($sql))
				{
					$error = $db->sql_error();
					inst_page_header($lang['INSTALL'], '');
					page_error($lang['INSTALLER_ERROR'], $lang['INSTALL_DB_ERROR'] . '<br />' . $error['message']);
					inst_page_footer();
					exit;
				}
			}
		}

		if (!$upgrade_now)
		{
			// Write out the config file.
			$config_data = "<?php\n";
			$config_data .= "// phpBB 2.x auto-generated config file\n// Do not change anything in this file!\n";
			$config_data .= "\$dbms = '$dbms';\n";
			$config_data .= "\$dbhost = '$dbhost';\n";
			$config_data .= "\$dbport = '$dbport';\n";
			$config_data .= "\$dbname = '$dbname';\n";
			$config_data .= "\$dbuser = '$dbuser';\n";
			$config_data .= "\$dbpasswd = '$dbpasswd';\n\n";
			$config_data .= "\$table_prefix = '$table_prefix';\n";
			$config_data .= "\$acm_type = 'file';\n";
			$config_data .= "\$load_extensions = '$load_extensions';\n\n";
			$config_data .= "define('PHPBB_INSTALLED', true);\n";
			$config_data .= '?' . '>'; // Done this to prevent highlighting editors getting confused!

			@umask(0111);
			$no_open = FALSE;

			if (!($fp = @fopen('../config.'.$phpEx, 'w')))
			{
				// Unable to open the file writeable do something here as an attempt
				// to get around that...
				$s_hidden_fields = '<input type="hidden" name="config_data" value="' . htmlspecialchars($config_data) . '" />';

				if (extension_loaded('ftp') && !defined('NO_FTP'))
				{
					inst_page_header($lang['UNWRITEABLE_CONFIG'] . '<p>' . $lang['FTP_OPTION'] . '</p>');
?>
					<tr>
						<th colspan="2"><?php echo $lang['FTP_CHOOSE']; ?></th>
					</tr>
					<tr>
						<td class="row1" align="right" width="50%"><span class="gen"><?php echo $lang['ATTEMPT_FTP']; ?></span></td>
						<td class="row2"><input type="radio" name="send_file" value="2"></td>
					</tr>
					<tr>
						<td class="row1" align="right" width="50%"><span class="gen"><?php echo $lang['SEND_FILE']; ?></span></td>
						<td class="row2"><input type="radio" name="send_file" value="1"></td>
					</tr>
<?php 
				}
				else
				{
					inst_page_header($lang['UNWRITEABLE_CONFIG']);
					$s_hidden_fields .= '<input type="hidden" name="send_file" value="1" />';
				}

				if ($upgrade == 1)
				{
					$s_hidden_fields .= '<input type="hidden" name="upgrade" value="1" />';
					$s_hidden_fields .= '<input type="hidden" name="dbms" value="'.$dbms.'" />';
					$s_hidden_fields .= '<input type="hidden" name="prefix" value="'.$table_prefix.'" />';
					$s_hidden_fields .= '<input type="hidden" name="dbhost" value="'.$dbhost.'" />';
					$s_hidden_fields .= '<input type="hidden" name="dbname" value="'.$dbname.'" />';
					$s_hidden_fields .= '<input type="hidden" name="dbuser" value="'.$dbuser.'" />';
					$s_hidden_fields .= '<input type="hidden" name="dbpasswd" value="'.$dbpasswd.'" />';
					$s_hidden_fields .= '<input type="hidden" name="install_step" value="1" />';
					$s_hidden_fields .= '<input type="hidden" name="admin_pass1" value="1" />';
					$s_hidden_fields .= '<input type="hidden" name="admin_pass2" value="1" />';
					$s_hidden_fields .= '<input type="hidden" name="server_port" value="'.$server_port.'" />';
					$s_hidden_fields .= '<input type="hidden" name="server_name" value="'.$server_name.'" />';
					$s_hidden_fields .= '<input type="hidden" name="script_path" value="'.$script_path.'" />';
					$s_hidden_fields .= '<input type="hidden" name="board_email" value="'.$board_email.'" />';

					page_upgrade_form();
				}
				else
				{
					page_common_form($s_hidden_fields, $lang['DOWNLOAD_CONFIG']);
				}

				inst_page_footer();
				exit;
			}

			$result = @fputs($fp, $config_data, strlen($config_data));

			@fclose($fp);
			$upgrade_now = $lang['UPGRADE_SUBMIT'];
		}

		// First off let's check and see if we are supposed to be doing an upgrade.
		if ($upgrade && $upgrade_now == $lang['UPGRADE_SUBMIT'])
		{
			define('INSTALLING', true);
			require('upgrade.'.$phpEx);
			exit;
		}

		// Load the basic configuration data
		define('SESSIONS_TABLE', $table_prefix . 'sessions');
		define('USERS_TABLE', $table_prefix . 'users');

		$sql = "SELECT * 
			FROM {$table_prefix}config";
		$result = $db->sql_query($sql);

		$config = array();
		while ($row = $db->sql_fetchrow($result))
		{
			$config[$row['config_name']] = $row['config_value'];
		}
		$db->sql_freeresult($result);

		// Log user in
		$auth->login($admin_name, $admin_pass1);

		inst_page_header($lang['INST_STEP_2'], "../adm/index.$phpEx$SID");
		inst_page_footer($lang['FINISH_INSTALL'], $s_hidden_fields);
		exit;
	}
}

// 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.
function slash_input_data(&$data)
{
	if (is_array($data))
	{
		foreach ($data as $k => $v)
		{
			$data[$k] = (is_array($v)) ? slash_input_data($v) : addslashes($v);
		}
	}
	return $data;
}

// Output page -> header
function inst_page_header($l_instructions, $s_action)
{
	global $phpEx, $lang;

?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<link rel="stylesheet" href="../adm/subSilver.css" type="text/css">
<style type="text/css">
<!--
th		{ background-image: url('../adm/images/cellpic3.gif') }
td.cat	{ background-image: url('../adm/images/cellpic1.gif') }
//-->
</style>
<title><?php echo $lang['WELCOME_INSTALL']; ?></title>
</head>
<body>

<table width="100%" cellspacing="0" cellpadding="0" border="0">
	<tr>
		<td><img src="../adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></td>
		<td width="100%" background="../adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle"><?php echo $lang['WELCOME_INSTALL']; ?></span> &nbsp; &nbsp; &nbsp;</td>
	</tr>
</table>

<table width="85%" cellspacing="0" cellpadding="0" border="0" align="center">
	<tr>
		<td><br clear="all" /><br />

<p><?php echo $l_instructions; ?></p>

<br clear="all" />

<form action="<?php echo $s_action; ?>" name="install_form" method="post"><table class="bg" width="100%" cellspacing="1" cellpadding="2" border="0">
<?php

}

// Output page -> footer
function inst_page_footer($l_submit, $s_hidden_fields)
{
	global $lang;

?>
	<tr>
		<td class="cat" colspan="2" align="center"><?php echo $s_hidden_fields; ?><input class="mainoption" type="submit" value="<?php echo $l_submit; ?>" /></td>
	</tr>
</table></form>

<div class="copyright" align="center">Powered by phpBB <?php echo $config['version']; ?> &copy; 2003 <a href="http://www.phpbb.com/" target="_phpbb" class="copyright">phpBB Group</a></div>

<br clear="all" />

</body>
</html>
<?php

}

function page_common_form($hidden, $submit)
{

?>
					<tr> 
					  <td class="cat" colspan="2" align="center"><?php echo $hidden; ?><input class="mainoption" type="submit" value="<?php echo $submit; ?>" /></td>
					</tr>
<?php

}

function page_upgrade_form()
{
	global $lang;

?>
					<tr>
						<td class="cat" colspan="2" align="center"><?php echo $lang['CONTINUE_UPGRADE']; ?></td>
					</tr>
					<tr>
						<td class="cat" colspan="2" align="center"><input type="submit" name="upgrade_now" value="<?php echo $lang['UPGRADE_SUBMIT']; ?>" /></td>
					</tr>
<?php 

}

function page_error($error_title, $error)
{

?>
					<tr>
						<th><?php echo $error_title; ?></th>
					</tr>
					<tr>
						<td class="row1" align="center"><span class="gen"><?php echo $error; ?></span></td>
					</tr>
<?php

}

function inst_language_select($default = '')
{
	global $phpbb_root_path, $phpEx;

	$dir = @opendir($phpbb_root_path . 'language');
	$user = array();   

	while ($file = readdir($dir))   
	{   
		$path = $phpbb_root_path . 'language/' . $file;
		
		if (is_file($path) || is_link($path) || $file == '.' || $file == '..')
		{   
			continue;   
		}   

		if (file_exists($path . '/iso.txt'))
		{
			list($displayname) = @file($path . '/iso.txt');   
			$lang[$displayname] = $file;   
		}   
	}   
	@closedir($dir);   
    
	@asort($lang);   
	@reset($lang);   

	foreach ($lang as $displayname => $filename)   
	{   
		$selected = (strtolower($default) == strtolower($filename)) ? ' selected="selected"' : '';
		$user_select .= '<option value="' . $filename . '"' . $selected . '>' . ucwords($displayname) . '</option>';   
	}
	
	return $user_select;
}


?>