pfSense

<?php

/* $Id$ */

/*

	firewall_rules.php

	part of pfSense (https://www.pfsense.org)

	Copyright (C) 2005 Scott Ullrich (sullrich@gmail.com)

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

	originally part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.

	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_MODULE:	filter

*/

##|+PRIV

##|*IDENT=page-firewall-rules

##|*NAME=Firewall: Rules page

##|*DESCR=Allow access to the 'Firewall: Rules' page.

##|*MATCH=firewall_rules.php*

##|-PRIV

require("guiconfig.inc");

require_once("functions.inc");

require_once("filter.inc");

require_once("shaper.inc");

$pgtitle = array(gettext("Firewall"),gettext("Rules"));

$shortcut_section = "firewall";

function delete_nat_association($id) {

	global $config;

	if (!$id || !is_array($config['nat']['rule']))

		return;

	$a_nat = &$config['nat']['rule'];

	foreach ($a_nat as &$natent)

		if ($natent['associated-rule-id'] == $id)

			$natent['associated-rule-id'] = '';

}

if (!is_array($config['filter']['rule'])) {

	$config['filter']['rule'] = array();

}

filter_rules_sort();

$a_filter = &$config['filter']['rule'];

$if = $_GET['if'];

if ($_POST['if'])

	$if = $_POST['if'];

$ifdescs = get_configured_interface_with_descr();

/* add group interfaces */

if (is_array($config['ifgroups']['ifgroupentry']))

	foreach($config['ifgroups']['ifgroupentry'] as $ifgen)

		if (have_ruleint_access($ifgen['ifname']))

			$iflist[$ifgen['ifname']] = $ifgen['ifname'];

foreach ($ifdescs as $ifent => $ifdesc)

	if(have_ruleint_access($ifent))

		$iflist[$ifent] = $ifdesc;

if ($config['l2tp']['mode'] == "server")

	if(have_ruleint_access("l2tp"))

		$iflist['l2tp'] = "L2TP VPN";

if ($config['pptpd']['mode'] == "server")

	if(have_ruleint_access("pptp"))

		$iflist['pptp'] = "PPTP VPN";

if (is_array($config['pppoes']['pppoe'])) {

	foreach ($config['pppoes']['pppoe'] as $pppoes)

		if (($pppoes['mode'] == 'server') && have_ruleint_access("pppoe"))

			$iflist['pppoe'] = "PPPoE Server";

}

/* add ipsec interfaces */

if (isset($config['ipsec']['enable']) || isset($config['ipsec']['client']['enable']))

	if(have_ruleint_access("enc0"))

		$iflist["enc0"] = "IPsec";

/* add openvpn/tun interfaces */

if  ($config['openvpn']["openvpn-server"] || $config['openvpn']["openvpn-client"])

	$iflist["openvpn"] = "OpenVPN";

pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/interfaces_override");

if (!$if || !isset($iflist[$if])) {

	if ("any" == $if)

		$if = "FloatingRules";

	else if ("FloatingRules" != $if) {

		if (isset($iflist['wan']))

			$if = "wan";

		else

			$if = "FloatingRules";

	}

}

if ($_POST) {

	$pconfig = $_POST;

	if ($_POST['apply']) {

		$retval = 0;

		$retval = filter_configure();

		clear_subsystem_dirty('filter');

		pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/apply");

		$savemsg = sprintf(gettext("The settings have been applied. The firewall rules are now reloading in the background.<br />You can also %s monitor %s the reload progress"),"<a href='status_filter_reload.php'>","</a>");

	}

}

if ($_GET['act'] == "del") {

	if ($a_filter[$_GET['id']]) {

		if (!empty($a_filter[$_GET['id']]['associated-rule-id'])) {

			delete_nat_association($a_filter[$_GET['id']]['associated-rule-id']);

		}

		unset($a_filter[$_GET['id']]);

		if (write_config())

			mark_subsystem_dirty('filter');

		header("Location: firewall_rules.php?if=" . htmlspecialchars($if));

		exit;

	}

}

// Handle save msg if defined

if($_REQUEST['savemsg'])

	$savemsg = htmlentities($_REQUEST['savemsg']);

if (isset($_POST['del_x'])) {

	/* delete selected rules */

	if (is_array($_POST['rule']) && count($_POST['rule'])) {

		foreach ($_POST['rule'] as $rulei) {

			delete_nat_association($a_filter[$rulei]['associated-rule-id']);

			unset($a_filter[$rulei]);

		}

		if (write_config())

			mark_subsystem_dirty('filter');

		header("Location: firewall_rules.php?if=" . htmlspecialchars($if));

		exit;

	}

} else if ($_GET['act'] == "toggle") {

	if ($a_filter[$_GET['id']]) {

		if(isset($a_filter[$_GET['id']]['disabled']))

			unset($a_filter[$_GET['id']]['disabled']);

		else

			$a_filter[$_GET['id']]['disabled'] = true;

		if (write_config())

			mark_subsystem_dirty('filter');

		header("Location: firewall_rules.php?if=" . htmlspecialchars($if));

		exit;

	}

} else {

	/* yuck - IE won't send value attributes for image buttons, while Mozilla does -

	   so we use .x/.y to fine move button clicks instead... */

	unset($movebtn);

	foreach ($_POST as $pn => $pd) {

		if (preg_match("/move_(\d+)_x/", $pn, $matches)) {

			$movebtn = $matches[1];

			break;

		}

	}

	/* move selected rules before this rule */

	if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {

		$a_filter_new = array();

		/* copy all rules < $movebtn and not selected */

		for ($i = 0; $i < $movebtn; $i++) {

			if (!in_array($i, $_POST['rule']))

				$a_filter_new[] = $a_filter[$i];

		}

		/* copy all selected rules */

		for ($i = 0; $i < count($a_filter); $i++) {

			if ($i == $movebtn)

				continue;

			if (in_array($i, $_POST['rule']))

				$a_filter_new[] = $a_filter[$i];

		}

		/* copy $movebtn rule */

		if ($movebtn < count($a_filter))

			$a_filter_new[] = $a_filter[$movebtn];

		/* copy all rules > $movebtn and not selected */

		for ($i = $movebtn+1; $i < count($a_filter); $i++) {

			if (!in_array($i, $_POST['rule']))

				$a_filter_new[] = $a_filter[$i];

		}

		$a_filter = $a_filter_new;

		if (write_config())

			mark_subsystem_dirty('filter');

		header("Location: firewall_rules.php?if=" . htmlspecialchars($if));

		exit;

	}

}

include("head.inc");

$nrules = 0;

?>

<?php if ($savemsg) print_info_box($savemsg);?>

<?php if (is_subsystem_dirty('filter')): ?><p>

<?php	print_info_box_np(gettext("The firewall rule configuration has been changed.") . "<br />" . gettext("You must apply the changes in order for them to take effect."), "apply", "", true); ?>

<br />

<?php endif; ?>

<?php

	pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/before_table");

?>

<?php

/* active tabs */

$tab_array = array(array(gettext("Floating"), ("FloatingRules" == $if), "firewall_rules.php?if=FloatingRules"));

foreach ($iflist as $ifent => $ifname) {

	$tab_array[] = array($ifname, ($ifent == $if), "firewall_rules.php?if={$ifent}");

}

display_top_tabs($tab_array);

?>

<div class="table-responsive">

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

<?php

	pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/before_first_tr");

?>

	<thead>

	<tr>

		<th colspan="2"></th>

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

<?php

	pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/pre_id_tablehead");

?>

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

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

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

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

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

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

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

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

<?php

	pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/pre_desc_tablehead");

?>

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

		<th></th>

	</tr>

	</thead>

	<tbody>

	<?php   // Show the anti-lockout rule if it's enabled, and we are on LAN with an if count > 1, or WAN with an if count of 1.

		if (!isset($config['system']['webgui']['noantilockout']) &&

			(((count($config['interfaces']) > 1) && ($if == 'lan'))

			|| ((count($config['interfaces']) == 1) && ($if == 'wan')))):

			$alports = implode('<br />', filter_get_antilockout_ports(true));

	?>

	<tr id="antilockout">

		<td></td>

		<td title="<?=gettext("traffic is passed")?>"><i class="icon icon-ok"></i></td>

		<td></td>

		<?php

			pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/pre_id_tr_antilockout");

		?>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td><?=$iflist[$if];?> Address</td>

		<td><?=$alports?></td>

		<td>*</td>

		<td>*</td>

		<td></td>

		<td><?=gettext("Anti-Lockout Rule");?></td>

		<td>

			<a href="system_advanced_admin.php" class="btn btn-xs btn-primary">edit</a>

		</td>

	</tr>

<?php endif;?>

<?php if (isset($config['interfaces'][$if]['blockpriv'])): ?>

	<tr id="frrfc1918">

		<td></td>

		<td title="<?=gettext("traffic is blocked")?>"><i class="icon icon-remove"></i></td>

		<td></td>

		<td>*</td>

		<td><?=gettext("RFC 1918 networks");?></td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td></td>

		<td><?=gettext("Block private networks");?></td>

		<td>

			<a href="system_advanced_admin.php" class="btn btn-xs btn-primary" title="<?=gettext("edit rule");?>">edit</a>

		</td>

	</tr>

<?php endif;?>

<?php if (isset($config['interfaces'][$if]['blockbogons'])): ?>

	<tr id="frrfc1918">

		<td></td>

		<td title="<?=gettext("traffic is blocked")?>"><i class="icon icon-remove"></i></td>

		<td></td>

		<td>*</td>

		<td><?=gettext("Reserved/not assigned by IANA");?></td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td>*</td>

		<td><?=gettext("Block bogon networks");?></td>

		<td>

			<a href="system_advanced_admin.php" class="btn btn-xs btn-primary">edit</a>

		</td>

	</tr>

<?php endif;?>

<?php for ($i = 0; isset($a_filter[$i]); $i++):

	pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/row_start");

	$filterent = $a_filter[$i];

	if ($filterent['interface'] != $if && !isset($filterent['floating']))

		continue;

	if (isset($filterent['floating']) && "FloatingRules" != $if)

		continue;

	$nrules++;

?>

	<tr id="fr<?=$i?>"<?=(isset($filterent['disabled']) ? ' class="disabled"' : '')?>>

	<td>

		<input type="checkbox" id="frc<?=$i?>" name="rule[]" value="<?=$i?>" />

	</td>

	<td title="<?=gettext("traffic is ").$filterent['type']."ed"?>">

	<?php

		if ($filterent['type'] == "block")

			$iconfn = "remove";

		else if ($filterent['type'] == "reject")

			$iconfn = "fire";

		else if ($filterent['type'] == "match")

			$iconfn = "filter";

		else

			$iconfn = "ok";

	?>

	<i class="icon icon-<?=$iconfn?>"></i>

	<?php

		$isadvset = firewall_check_for_advanced_options($filterent);

		if ($isadvset)

			print '<i class="icon icon-cog" title="'. gettext("advanced setting") .': '. $isadvset .'"></i>';

		if (isset($filterent['log']))

			print '<i class="icon icon-tasks" title="'. gettext("traffic is logged") .'"></i>';

	?>

	</td>

	<?php

		$alias = rule_columns_with_alias(

			$filterent['source']['address'],

			pprint_port($filterent['source']['port']),

			$filterent['destination']['address'],

			pprint_port($filterent['destination']['port'])

		);

		//build Schedule popup box

		$a_schedules = &$config['schedules']['schedule'];

		$schedule_span_begin = "";

		$schedule_span_end = "";

		$sched_caption_escaped = "";

		$sched_content = "";

		$schedstatus = false;

		$dayArray = array (gettext('Mon'),gettext('Tues'),gettext('Wed'),gettext('Thur'),gettext('Fri'),gettext('Sat'),gettext('Sun'));

		$monthArray = array (gettext('January'),gettext('February'),gettext('March'),gettext('April'),gettext('May'),gettext('June'),gettext('July'),gettext('August'),gettext('September'),gettext('October'),gettext('November'),gettext('December'));

		if($config['schedules']['schedule'] <> "" and is_array($config['schedules']['schedule'])) {

			foreach ($a_schedules as $schedule)

			{

				if ($schedule['name'] == $filterent['sched'] ){

					$schedstatus = filter_get_time_based_rule_status($schedule);

					foreach($schedule['timerange'] as $timerange) {

						$tempFriendlyTime = "";

						$tempID = "";

						$firstprint = false;

						if ($timerange){

							$dayFriendly = "";

							$tempFriendlyTime = "";

							//get hours

							$temptimerange = $timerange['hour'];

							$temptimeseparator = strrpos($temptimerange, "-");

							$starttime = substr ($temptimerange, 0, $temptimeseparator);

							$stoptime = substr ($temptimerange, $temptimeseparator+1);

							if ($timerange['month']){

								$tempmontharray = explode(",", $timerange['month']);

								$tempdayarray = explode(",",$timerange['day']);

								$arraycounter = 0;

								$firstDayFound = false;

								$firstPrint = false;

								foreach ($tempmontharray as $monthtmp){

									$month = $tempmontharray[$arraycounter];

									$day = $tempdayarray[$arraycounter];

									if (!$firstDayFound)

									{

										$firstDay = $day;

										$firstmonth = $month;

										$firstDayFound = true;

									}

									$currentDay = $day;

									$nextDay = $tempdayarray[$arraycounter+1];

									$currentDay++;

									if (($currentDay != $nextDay) || ($tempmontharray[$arraycounter] != $tempmontharray[$arraycounter+1])){

										if ($firstPrint)

											$dayFriendly .= ", ";

										$currentDay--;

										if ($currentDay != $firstDay)

											$dayFriendly .= $monthArray[$firstmonth-1] . " " . $firstDay . " - " . $currentDay ;

										else

											$dayFriendly .=  $monthArray[$month-1] . " " . $day;

										$firstDayFound = false;

										$firstPrint = true;

									}

									$arraycounter++;

								}

							}

							else

							{

								$tempdayFriendly = $timerange['position'];

								$firstDayFound = false;

								$tempFriendlyDayArray = explode(",", $tempdayFriendly);

								$currentDay = "";

								$firstDay = "";

								$nextDay = "";

								$counter = 0;

								foreach ($tempFriendlyDayArray as $day){

									if ($day != ""){

										if (!$firstDayFound)

										{

											$firstDay = $tempFriendlyDayArray[$counter];

											$firstDayFound = true;

										}

										$currentDay =$tempFriendlyDayArray[$counter];

										//get next day

										$nextDay = $tempFriendlyDayArray[$counter+1];

										$currentDay++;

										if ($currentDay != $nextDay){

											if ($firstprint)

												$dayFriendly .= ", ";

											$currentDay--;

											if ($currentDay != $firstDay)

												$dayFriendly .= $dayArray[$firstDay-1] . " - " . $dayArray[$currentDay-1];

											else

												$dayFriendly .= $dayArray[$firstDay-1];

											$firstDayFound = false;

											$firstprint = true;

										}

										$counter++;

									}

								}

							}

							$timeFriendly = $starttime . " - " . $stoptime;

							$description = $timerange['rangedescr'];

							$sched_content .= $dayFriendly . "; " . $timeFriendly . "<br />";

						}

					}

					$sched_caption_escaped = str_replace("'", "\'", $schedule['descr']);

					$schedule_span_begin = "<span style=\"cursor: help;\" onmouseover=\"domTT_activate(this, event, 'content', '<h1>{$sched_caption_escaped}</h1><p>{$sched_content}</p>', 'trail', true, 'delay', 0, 'fade', 'both', 'fadeMax', 93, 'styleClass', 'niceTitle');\" onmouseout=\"this.style.color = ''; domTT_mouseout(this, event);\"><u>";

					$schedule_span_end = "</u></span>";

				}

			}

		}

		$printicon = false;

		$alttext = "";

		$image = "";

		if (!isset($filterent['disabled'])) {

			if ($schedstatus) {

				if ($iconfn == "block" || $iconfn == "reject") {

					$image = "icon_block";

					$alttext = gettext("Traffic matching this rule is currently being denied");

				} else {

					$image = "icon_pass";

					$alttext = gettext("Traffic matching this rule is currently being allowed");

				}

				$printicon = true;

			} else if ($filterent['sched']) {

				if ($iconfn == "block" || $iconfn == "reject")

					$image = "icon_block_d";

				else

					$image = "icon_block";

				$alttext = gettext("This rule is not currently active because its period has expired");

				$printicon = true;

			}

		}

	?>

	<td><?=$filterent['id']?></td>

	<?php

		pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/pre_id_tr");

	?>

	<td>

	<?php

		if (isset($filterent['ipprotocol'])) {

			switch($filterent['ipprotocol']) {

				case "inet":

					echo "IPv4 ";

					break;

				case "inet6":

					echo "IPv6 ";

					break;

				case "inet46":

					echo "IPv4+6 ";

					break;

			}

		} else {

			echo "IPv4 ";

		}

		if (isset($filterent['protocol'])) {

			echo strtoupper($filterent['protocol']);

			if (strtoupper($filterent['protocol']) == "ICMP" && !empty($filterent['icmptype'])) {

				echo ' <span style="cursor: help;" title="ICMP type: ' .

					( $filterent['ipprotocol'] == "inet6" ?  $icmp6types[$filterent['icmptype']] : $icmptypes[$filterent['icmptype']] ) .

					'"><u>';

				echo $filterent['icmptype'];

				echo '</u></span>';

			}

		} else echo "*";

	?>

	</td>

	<td>

		<?php if (isset($alias['src'])): ?>

			<a href="/firewall_aliases_edit.php?id=<?=$alias['src']?>" data-toggle="popover" data-trigger="hover focus" title="Alias details" data-content="<?=alias_info_popup($alias['src'])?>" data-html="true">

		<?php endif; ?>

		<?=htmlspecialchars(pprint_address($filterent['source']))?>

		<?php if (isset($alias['src'])): ?>

			<i class='icon icon-pencil'></i></a>

		<?php endif; ?>

	</td>

	<td>

		<?php if (isset($alias['srcport'])): ?>

			<a href="/firewall_aliases_edit.php?id=<?=$alias['srcport']?>" data-toggle="popover" data-trigger="hover focus" title="Alias details" data-content="<?=alias_info_popup($alias['srcport'])?>" data-html="true">

		<?php endif; ?>

		<?=htmlspecialchars(pprint_port($filterent['source']['port']))?>

		<?php if (isset($alias['srcport'])): ?>

			<i class='icon icon-pencil'></i></a>

		<?php endif; ?>

	</td>

	<td>

		<?php if (isset($alias['dst'])): ?>

			<a href="/firewall_aliases_edit.php?id=<?=$alias['dst']?>" data-toggle="popover" data-trigger="hover focus" title="Alias details" data-content="<?=alias_info_popup($alias['dstport'])?>" data-html="true">

		<?php endif; ?>

		<?=htmlspecialchars(pprint_address($filterent['destination']['address']))?>

		<?php if (isset($alias['dst'])): ?>

			<i class='icon icon-pencil'></i></a>

		<?php endif; ?>

	</td>

	<td>

		<?php if (isset($alias['dstport'])): ?>

			<a href="/firewall_aliases_edit.php?id=<?=$alias['dstport']?>" data-toggle="popover" data-trigger="hover focus" title="Alias details" data-content="<?=alias_info_popup($alias['dstport'])?>" data-html="true">

		<?php endif; ?>

		<?=htmlspecialchars(pprint_port($filterent['destination']['port']))?>

		<?php if (isset($alias['dstport'])): ?>

			<i class='icon icon-pencil'></i></a>

		<?php endif; ?>

	</td>

	<td>

		<?php if (isset($config['interfaces'][$filterent['gateway']]['descr'])):?>

			<?=htmlspecialchars($config['interfaces'][$filterent['gateway']]['descr'])?>

		<?php else: ?>

			<?=htmlspecialchars(pprint_port($filterent['gateway']))?><a>

		<?php endif; ?>

	</td>

	<td>

	<?php

		if (isset($filterent['ackqueue']) && isset($filterent['defaultqueue'])) {

			$desc = $filterent['ackqueue'] ;

			echo "<a href=\"firewall_shaper_queues.php?queue={$filterent['ackqueue']}&amp;action=show\">{$desc}</a>";

			$desc = $filterent['defaultqueue'];

			echo "/<a href=\"firewall_shaper_queues.php?queue={$filterent['defaultqueue']}&amp;action=show\">{$desc}</a>";

		} else if (isset($filterent['defaultqueue'])) {

			$desc = $filterent['defaultqueue'];

			echo "<a href=\"firewall_shaper_queues.php?queue={$filterent['defaultqueue']}&amp;action=show\">{$desc}</a>";

		} else

			echo gettext("none");

	?>

	</td>

	<td>

		<?php if ($printicon) { ?><img src="./themes/<?= $g['theme'];?>/images/icons/<?=$image;?>.gif" title="<?=$alttext;?>" border="0" alt="icon" /><?php } ?>

		<?=$schedule_span_begin;?><?=htmlspecialchars($filterent['sched']);?>&nbsp;<?=$schedule_span_end;?>

	</td>

	<?php

		pfSense_handle_custom_code("/usr/local/pkg/firewall_rules/pre_descr_tr");

	?>

	<td>

		<?=htmlspecialchars($filterent['descr']);?>

	</td>

	<td>

		<a href="firewall_rules_edit.php?id=<?=$i;?>" class="btn btn-xs btn-primary">edit</a>

		<a href="firewall_rules_edit.php?dup=<?=$i;?>" class="btn btn-xs btn-default">copy</a>

		<a href="?act=toggle&amp;if=<?=htmlspecialchars($if);?>&amp;id=<?=$i;?>" class="btn btn-xs btn-warning"><?=(isset($filterent['disabled']) ? 'enable' : 'disable')?></a>

		<a href="?act=del&amp;if=<?=htmlspecialchars($if);?>&amp;id=<?=$i;?>" class="btn btn-xs btn-danger">delete</a>

	</td>

	</tr>

	<?php endfor;?>

</tbody>

</table>

</div>

<?php if ($nrules == 0): ?>

	<div class="alert alert-warning" role="alert">

		<p>

		<?php if ($_REQUEST['if'] == "FloatingRules"): ?>

			<?=gettext("No floating rules are currently defined.");?>

		<?php else: ?>

			<?=gettext("No rules are currently defined for this interface");?><br />

			<?=gettext("All incoming connections on this interface will be blocked until you add pass rules.");?>

		<?php endif;?>

			<?=gettext("Click the button to add a new rule.");?>

		</p>

	</div>

<?php endif;?>

<nav class="action-buttons">

	<a href="firewall_rules_edit.php?if=<?=htmlspecialchars($if);?>" role="button" class="btn btn-success">

		<?=gettext("add new");?>

	</a>

<?php if ($i > 0): ?>

	<a href="#" role="button" class="btn btn-danger">

		<?=gettext("delete selected");?>

	</a>

<?php endif;?>

</nav>

<h2>Legend</h2>

<ul>

	<li><i class="icon icon-ok"></i> <?=gettext("pass");?></li>

	<li><i class="icon icon-filter"></i> <?=gettext("match");?></li>

	<li><i class="icon icon-remove"></i> <?=gettext("block");?></li>

	<li><i class="icon icon-fire"></i> <?=gettext("reject");?></li>

	<li><i class="icon icon-tasks"></i> <?=gettext("log");?></li>

	<li><i class="icon icon-cog"></i> <?=gettext("advanced filter");?></li>

</ul>

<p>

<?php if ("FloatingRules" != $if): ?>

<?=gettext("Rules are evaluated on a first-match basis (i.e. " .

	"the action of the first rule to match a packet will be executed). " .

	"This means that if you use block rules, you'll have to pay attention " .

	"to the rule order. Everything that isn't explicitly passed is blocked " .

	"by default. ");?>

<?php else: ?>

<?=gettext("Floating rules are evaluated on a first-match basis (i.e. " .

	"the action of the first rule to match a packet will be executed) only " .

	"if the 'quick' option is checked on a rule. Otherwise they will only apply if no " .

	"other rules match. Pay close attention to the rule order and options " .

	"chosen. If no rule here matches, the per-interface or default rules are used. ");?>

<?php endif;?>

</p>

	<input type="hidden" name="if" value="<?=htmlspecialchars($if);?>" />

<?php include("foot.inc");?>