<?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

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

// Tell header.php to use the admin template

define('PUN_ADMIN_CONSOLE', 1);

define('PUN_ROOT', './');

require PUN_ROOT.'include/common.php';

require PUN_ROOT.'include/common_admin.php';

if ($pun_user['g_id'] > PUN_MOD)

	message($lang_common['No permission']);

$action = isset($_GET['action']) ? $_GET['action'] : null;

// Check for upgrade

if ($action == 'check_upgrade')

{

	if (!ini_get('allow_url_fopen'))

		message('Unable to check for upgrade since \'allow_url_fopen\' is disabled on this system.');

	$fp = @fopen('http://www.punbb.org/latest_version', 'r');

	$latest_version = trim(@fread($fp, 16));

	@fclose($fp);

	if ($latest_version == '')

		message('Check for upgrade failed for unknown reasons.');

	$cur_version = str_replace(array('.', 'dev', 'beta', ' '), '', strtolower($pun_config['o_cur_version']));

	$cur_version = (strlen($cur_version) == 2) ? intval($cur_version) * 10 : intval($cur_version);

	$latest_version = str_replace('.', '', strtolower($latest_version));

	$latest_version = (strlen($latest_version) == 2) ? intval($latest_version) * 10 : intval($latest_version);

	if ($cur_version >= $latest_version)

		message('You are running the latest version of PunBB.');

	else

		message('A new version of PunBB has been released. You can download the latest version at <a href="http://www.punbb.org/">PunBB.org</a>.');

}

// Show phpinfo() output

else if ($action == 'phpinfo' && $pun_user['g_id'] == PUN_ADMIN)

{

	// Is phpinfo() a disabled function?

	if (strpos(strtolower((string)@ini_get('disable_functions')), 'phpinfo') !== false)

		message('The PHP function phpinfo() has been disabled on this server.');

	phpinfo();

	exit;

}

// Get the server load averages (if possible)

if (@file_exists('/proc/loadavg') && is_readable('/proc/loadavg'))

{

	// We use @ just in case

	$fh = @fopen('/proc/loadavg', 'r');

	$load_averages = @fread($fh, 64);

	@fclose($fh);

	$load_averages = @explode(' ', $load_averages);

	$server_load = isset($load_averages[2]) ? $load_averages[0].' '.$load_averages[1].' '.$load_averages[2] : 'Not available';

}

else if (!in_array(PHP_OS, array('WINNT', 'WIN32')) && preg_match('/averages?: ([0-9\.]+),[\s]+([0-9\.]+),[\s]+([0-9\.]+)/i', @exec('uptime'), $load_averages))

	$server_load = $load_averages[1].' '.$load_averages[2].' '.$load_averages[3];

else

	$server_load = 'Not available';

// Get number of current visitors

$result = $db->query('SELECT COUNT(user_id) FROM '.$db->prefix.'online WHERE idle=0') or error('Unable to fetch online count', __FILE__, __LINE__, $db->error());

$num_online = $db->result($result);

// Get the database system version

switch ($db_type)

{

	case 'sqlite':

		$db_version = 'SQLite '.sqlite_libversion();

		break;

	default:

		$result = $db->query('SELECT VERSION()') or error('Unable to fetch version info', __FILE__, __LINE__, $db->error());

		$db_version = $db->result($result);

		break;

}

// Collect some additional info about MySQL

if ($db_type == 'mysql' || $db_type == 'mysqli')

{

	$db_version = 'MySQL '.$db_version;

	// Calculate total db size/row count

	$result = $db->query('SHOW TABLE STATUS FROM `'.$db_name.'`') or error('Unable to fetch table status', __FILE__, __LINE__, $db->error());

	$total_records = $total_size = 0;

	while ($status = $db->fetch_assoc($result))

	{

		$total_records += $status['Rows'];

		$total_size += $status['Data_length'] + $status['Index_length'];

	}

	$total_size = $total_size / 1024;

	if ($total_size > 1024)

		$total_size = round($total_size / 1024, 2).' MB';

	else

		$total_size = round($total_size, 2).' KB';

}

// See if MMCache or PHPA is loaded

if (function_exists('mmcache'))

	$php_accelerator = '<a href="http://turck-mmcache.sourceforge.net/">Turck MMCache</a>';

else if (isset($_PHPA))

	$php_accelerator = '<a href="http://www.php-accelerator.co.uk/">ionCube PHP Accelerator</a>';

else

	$php_accelerator = 'N/A';

$page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / Admin';

require PUN_ROOT.'header.php';

generate_admin_menu('index');

?>

	<div class="block">

		<h2>Forum administration</h2>

		<div id="adintro" class="box">

			<div class="inbox">

				<p>

					Welcome to the PunBB administration control panel. From here you can control vital aspects of the forum. Depending on whether you are an administrator or a moderator you can<br /><br />

					&nbsp;- organize categories and forums.<br />

					&nbsp;- set forum-wide options and preferences.<br />

					&nbsp;- control permissions for users and guests.<br />

					&nbsp;- view IP statistics for users.<br />

					&nbsp;- ban users.<br />

					&nbsp;- censor words.<br />

					&nbsp;- set up user ranks.<br />

					&nbsp;- prune old posts.<br />

					 - handle post reports.

				</p>

			</div>

		</div>

		<h2 class="block2"><span>Statistics</span></h2>

		<div id="adstats" class="box">

			<div class="inbox">

				<dl>

					<dt>PunBB version</dt>

					<dd>

						PunBB <?php echo $pun_config['o_cur_version'] ?> - <a href="admin_index.php?action=check_upgrade">Check for upgrade</a><br />

						© Copyright 2002, 2003, 2004, 2005 Rickard Andersson

					</dd>

					<dt>Server load</dt>

					<dd>

						<?php echo $server_load ?> (<?php echo $num_online ?> users online)

					</dd>

<?php if ($pun_user['g_id'] == PUN_ADMIN): ?>					<dt>Environment</dt>

					<dd>

						Operating system: <?php echo PHP_OS ?><br />

						PHP: <?php echo phpversion() ?> - <a href="admin_index.php?action=phpinfo">Show info</a><br />

						Accelerator: <?php echo $php_accelerator."\n" ?>

					</dd>

					<dt>Database</dt>

					<dd>

						<?php echo $db_version."\n" ?>

<?php if (isset($total_records) && isset($total_size)): ?>						<br />Rows: <?php echo $total_records."\n" ?>

						<br />Size: <?php echo $total_size."\n" ?>

<?php endif; endif; ?>					</dd>

				</dl>

			</div>

		</div>

	</div>

	<div class="clearer"></div>

</div>

<?php

require PUN_ROOT.'footer.php';