pfSense

<?php

/*

	diag_states_summary.php

	Copyright (C) 2013-2015 Electric Sheep Fencing, LP

	Copyright (C) 2010-2014 Jim Pingle

	Portions borrowed from diag_dump_states.php:

	Copyright (C) 2005-2009 Scott Ullrich

	Copyright (C) 2005 Colin Smith

	All rights reserved.

	Redistribution and use in source and binary forms, with or without

	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,

	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright

	   notice, this list of conditions and the following disclaimer in the

	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,

	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

	POSSIBILITY OF SUCH DAMAGE.

*/

/*

	pfSense_BUILDER_BINARIES:	/sbin/pfctl

	pfSense_MODULE: filter

*/

##|+PRIV

##|*IDENT=page-diagnostics-statessummary

##|*NAME=Diagnostics: States Summary page

##|*DESCR=Allow access to the 'Diagnostics: States Summary' page.

##|*MATCH=diag_states_summary.php*

##|-PRIV

exec("/sbin/pfctl -s state", $states);

$srcipinfo = array();

$dstipinfo = array();

$allipinfo = array();

$pairipinfo = array();

function addipinfo(&$iparr, $ip, $proto, $srcport, $dstport) {

	$iparr[$ip]['seen']++;

	$iparr[$ip]['protos'][$proto]['seen']++;

	if (!empty($srcport)) {

		$iparr[$ip]['protos'][$proto]['srcports'][$srcport]++;

	}

	if (!empty($dstport)) {

		$iparr[$ip]['protos'][$proto]['dstports'][$dstport]++;

	}

}

$row = 0;

if(count($states) > 0) {

	foreach($states as $line) {

		$line_split = preg_split("/\s+/", $line);

		$iface = array_shift($line_split);

		$proto = array_shift($line_split);

		$state = array_pop($line_split);

		$info  = implode(" ", $line_split);

		/* Handle NAT cases

			Replaces an external IP + NAT by the internal IP */

		if (strpos($info, ') ->') !== FALSE) {

			/* Outbound NAT */

			$info = preg_replace('/(\S+) \((\S+)\)/U', "$2", $info);

		} elseif (strpos($info, ') <-') !== FALSE) {

			/* Inbound NAT/Port Forward */

			$info = preg_replace('/(\S+) \((\S+)\)/U', "$1", $info);

		}

		/* break up info and extract $srcip and $dstip */

		$ends = preg_split("/\<?-\>?/", $info);

		if (strpos($info, '->') === FALSE) {

			$srcinfo = $ends[count($ends) - 1];

			$dstinfo = $ends[0];

		} else {

			$srcinfo = $ends[0];

			$dstinfo = $ends[count($ends) - 1];

		}

		/* Handle IPv6 */

		$parts = explode(":", $srcinfo);

		$partcount = count($parts);

		if ($partcount <= 2) {

			$srcip = trim($parts[0]);

			$srcport = trim($parts[1]);

		} else {

			preg_match("/([0-9a-f:]+)(\[([0-9]+)\])?/i", $srcinfo, $matches);

			$srcip = $matches[1];

			$srcport = trim($matches[3]);

		}

		$parts = explode(":", $dstinfo);

		$partcount = count($parts);

		if ($partcount <= 2) {

			$dstip = trim($parts[0]);

			$dstport = trim($parts[1]);

		} else {

			preg_match("/([0-9a-f:]+)(\[([0-9]+)\])?/i", $dstinfo, $matches);

			$dstip = $matches[1];

			$dstport = trim($matches[3]);

		}

		addipinfo($srcipinfo, $srcip, $proto, $srcport, $dstport);

		addipinfo($dstipinfo, $dstip, $proto, $srcport, $dstport);

		addipinfo($pairipinfo, "{$srcip} -> {$dstip}", $proto, $srcport, $dstport);

		addipinfo($allipinfo, $srcip, $proto, $srcport, $dstport);

		addipinfo($allipinfo, $dstip, $proto, $srcport, $dstport);

	}

}

function sort_by_ip($a, $b) {

	return ip2ulong($a) < ip2ulong($b) ? -1 : 1;

}

function build_port_info($portarr, $proto) {

	if (!$portarr)

		return '';

	$ports = array();

	asort($portarr);

	foreach (array_reverse($portarr, TRUE) as $port => $count) {

		$service = getservbyport($port, strtolower($proto));

		$port = "{$proto}/{$port}";

		if ($service)

			$port = "{$port} ({$service})";

		$ports[] = "{$port}: {$count}";

	}

	return implode($ports, ', ');

}

function print_summary_table($label, $iparr, $sort = TRUE)

{

	if ($sort)

		uksort($iparr, "sort_by_ip");

?>

	<div class="panel panel-default">

		<div class="panel-heading">

			<h2 class="panel-title"><?=$label?></h2>

		</div>

		<div class="panel-body">

			<div class="table-responsive">

				<table class="table table-hover table-condensed table-striped">

					<thead>

						<tr>

							<th ><?=gettext("IP");?></th>

							<th class="text-center"># <?=gettext("States");?></th>

							<th ><?=gettext("Proto");?></th>

							<th class="text-center"># <?=gettext("States");?></th>

							<th class="text-center"><?=gettext("Src Ports");?></th>

							<th class="text-center"><?=gettext("Dst Ports");?></th>

						</tr>

					</thead>

					<tbody>

<?php foreach($iparr as $ip => $ipinfo):

	$protocolCount = count($ipinfo['protos']);

	$rowSpan = '';

	$i = 0;

	if ($protocolCount > 1)

		$rowSpan = ' rowspan="' . $protocolCount . '"';

?>

						<tr>

							<td<?= $rowSpan ?>><?php echo $ip; ?></td>

							<td<?= $rowSpan ?> class="text-center"><?php echo $ipinfo['seen']; ?></td>

<?php foreach($ipinfo['protos'] as $proto => $protoinfo): ?>

<?php if ($protocolCount > 1 && $i > 0): ?>

							</tr><tr>

<?php endif; ?>

							<td><?php echo $proto; ?></td>

							<td class="text-center" ><?php echo $protoinfo['seen']; ?></td>

							<td class="text-center" ><span title="<?php echo build_port_info($protoinfo['srcports'], $proto); ?>"><?php echo count($protoinfo['srcports']); ?></span></td>

							<td class="text-center" ><span title="<?php echo build_port_info($protoinfo['dstports'], $proto); ?>"><?php echo count($protoinfo['dstports']); ?></span></td>

<?php $i++; endforeach; ?>

						</tr>

<?php endforeach; ?>

					</tbody>

				</table>

			</div>

		</div>

	</div>

<?php

}

$pgtitle = array(gettext("Diagnostics"),gettext("State Table Summary"));

require_once("guiconfig.inc");

include("head.inc");

print_summary_table(gettext("By Source IP"), $srcipinfo);

print_summary_table(gettext("By Destination IP"), $dstipinfo);

print_summary_table(gettext("Total per IP"), $allipinfo);

print_summary_table(gettext("By IP Pair"), $pairipinfo, FALSE);

include("foot.inc");