pfSense

<?php

/*

	firewall_rules.php

*/

/* ====================================================================

 *	Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.

 *

 *	Some or all of this file is based on the m0n0wall project which is

 *	Copyright (c)  2004 Manuel Kasper (BSD 2 clause)

 *

 *	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.

 *

 *	3. All advertising materials mentioning features or use of this software

 *		must display the following acknowledgment:

 *		"This product includes software developed by the pfSense Project

 *		 for use in the pfSense software distribution. (http://www.pfsense.org/).

 *

 *	4. The names "pfSense" and "pfSense Project" must not be used to

 *		 endorse or promote products derived from this software without

 *		 prior written permission. For written permission, please contact

 *		 coreteam@pfsense.org.

 *

 *	5. Products derived from this software may not be called "pfSense"

 *		nor may "pfSense" appear in their names without prior written

 *		permission of the Electric Sheep Fencing, LLC.

 *

 *	6. Redistributions of any form whatsoever must retain the following

 *		acknowledgment:

 *

 *	"This product includes software developed by the pfSense Project

 *	for use in the pfSense software distribution (http://www.pfsense.org/).

 *

 *	THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY

 *	EXPRESSED 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 pfSense PROJECT OR

 *	ITS CONTRIBUTORS 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

##|*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("ipsec.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 (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 (ipsec_enabled() && have_ruleint_access("enc0"))

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

/* add openvpn/tun interfaces */

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

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

}

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');

		$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 */

	$deleted = false;

	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]);

			$deleted = true;

		}

		if($deleted) {

			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 if($_POST['order-store']) {

	/* update rule order, POST[rule] is an array of ordered IDs */

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

		$a_filter_new = array();

		// if a rule is not in POST[rule], it has been deleted by the user

		foreach ($_POST['rule'] as $id)

			$a_filter_new[] = $a_filter[$id];

		$a_filter = $a_filter_new;

		if (write_config()) {

			mark_subsystem_dirty('filter');

		}

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

		exit;

	}

}

$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}");

foreach ($tab_array as $dtab) {

	if($dtab[1]) {

		$bctab = $dtab[0];

		break;

	}

}

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

$shortcut_section = "firewall";

include("head.inc");

$nrules = 0;

if ($savemsg)

	print_info_box($savemsg, 'success');

if (is_subsystem_dirty('filter'))

	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);

display_top_tabs($tab_array);

?>

<form method="post">

	<div class="panel panel-default">

		<div class="panel-heading"><?=gettext("Rules (Drag to change order)")?></div>

		<div id="mainarea" class="table-responsive panel-body">

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

				<thead>

					<tr>

						<th><!-- checkbox --></th>

						<th><!-- status icons --></th>

						<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>

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

						<th><?=gettext("Actions")?></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="fa fa-check"></i></td>

						<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="fa fa-cog" title="<?=gettext("Settings");?>"></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="fa fa-times"></i></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="interfaces.php?if=<?=htmlspecialchars($if)?>" class="fa fa-cog" title="<?=gettext("Settings");?>"></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="fa fa-times"></i></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="interfaces.php?if=<?=htmlspecialchars($if)?>" class="fa fa-cog" title="<?=gettext("Settings");?>"></a>

						</td>

					</tr>

<?php endif;?>

			</tbody>

			<tbody class="user-entries">

<?php

$nrules = 0;

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

	$filterent = $a_filter[$i];

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

		$display = 'style="display: none;"';

	} else {

		$display = "";

	}

?>

					<tr id="fr<?=$nrules;?>" <?=$display?> onClick="fr_toggle(<?=$nrules;?>)" ondblclick="document.location='firewall_rules_edit.php?id=<?=$i;?>';" <?=(isset($filterent['disabled']) ? ' class="disabled"' : '')?>>

						<td >

							<input type="checkbox" id="frc<?=$nrules;?>" onClick="fr_toggle(<?=$nrules;?>)" name="rule[]" value="<?=$i;?>"/>

						</td>

	<?php

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

			$iconfn = "times";

			$title_text = gettext("traffic is blocked");

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

			$iconfn = "hand-stop-o";

			$title_text = gettext("traffic is rejected");

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

			$iconfn = "filter";

			$title_text = gettext("traffic is matched");

		} else {

			$iconfn = "check";

			$title_text = gettext("traffic is passed");

		}

	?>

						<td title="<?=$title_text?>">

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

	<?php

		$isadvset = firewall_check_for_advanced_options($filterent);

		if ($isadvset)

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

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

			print '<i class="fa fa-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 ($config['schedules']['schedule'] != "" && is_array($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 />";

						}

					}

					#FIXME

					$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 = "times-circle";

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

				} else {

					$image = "play-circle";

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

				}

				$printicon = true;

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

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

					$image = "times-circle";

				else

					$image = "times-circle";

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

				$printicon = true;

			}

		}

	?>

				<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']))?>

						</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']))?>

						</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['dst'])?>" data-html="true">

							<?php endif; ?>

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

						</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']))?>

						</td>

						<td>

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

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

							<?php else: ?>

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

							<?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) { ?>

								<i class="fa fa-<?=$image;?>" title="<?=$alttext;?>" alt="icon" />

							<?php } ?>

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

						</td>

						<td>

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

						</td>

						<td>

						<!-- <?=(isset($filterent['disabled']) ? 'enable' : 'disable')?> -->

							<a href="firewall_rules_edit.php?id=<?=$i;?>" class="fa fa-pencil" title="<?=gettext('Edit')?>"></a>

							<a href="firewall_rules_edit.php?dup=<?=$i;?>" class="fa fa-clone" title="<?=gettext('Copy')?>"></a>

<?php if (isset($filterent['disabled'])) {

?>

							<a href="?act=toggle&amp;if=<?=htmlspecialchars($if);?>&amp;id=<?=$i;?>" class="fa fa-check-square-o" title="<?=gettext('Enable')?>"></a>

<?php } else {

?>

							<a href="?act=toggle&amp;if=<?=htmlspecialchars($if);?>&amp;id=<?=$i;?>" class="fa fa-ban" title="<?=gettext('Disable')?>"></a>

<?php }

?>

							<a href="?act=del&amp;if=<?=htmlspecialchars($if);?>&amp;id=<?=$i;?>" class="fa fa-trash" title="<?=gettext('Delete')?>"></a>

						</td>

					</tr>

<?php

		$nrules++;

		endfor;

?>

				</tbody>

			</table>

		</div>

	</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);?>&amp;after=-1" role="button" class="btn btn-sm btn-success" title="<?=gettext('Add rule to the top of the list')?>">

			<i class="fa fa-level-up icon-embed-btn"></i>

			<?=gettext("Add");?>

		</a>

		<a href="firewall_rules_edit.php?if=<?=htmlspecialchars($if);?>" role="button" class="btn btn-sm btn-success" title="<?=gettext('Add rule to the end of the list')?>">

			<i class="fa fa-level-down icon-embed-btn"></i>

			<?=gettext("Add");?>

		</a>

		<button name="del_x" type="submit" class="btn btn-danger btn-sm" value="<?=gettext("Delete selected rules"); ?>" title="<?=gettext('Delete selected rules')?>">

			<i class="fa fa-trash icon-embed-btn"></i>

			<?=gettext("Delete"); ?>

		</button>

		<button type="submit" id="order-store" name="order-store" class="btn btn-sm btn-primary" value="store changes" disabled title="<?=gettext('Save rule order')?>">

			<i class="fa fa-save icon-embed-btn"></i>

			<?=gettext("Save")?>

		</button>

	</nav>

</form>

<div id="infoblock">

	<div class="alert alert-info clearfix" role="alert"><button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button><div class="pull-left">

		<dl class="dl-horizontal responsive">

		<!-- Legend -->

			<dt><?=gettext('Legend')?></dt>				<dd></dd>

			<dt><i class="fa fa-check"></i></dt>		<dd><?=gettext("Pass");?></dd>

			<dt><i class="fa fa-filter"></i></dt>	<dd><?=gettext("Match");?></dd>

			<dt><i class="fa fa-times"></i></dt>	<dd><?=gettext("Block");?></dd>

			<dt><i class="fa fa-hand-stop-o"></i></dt>		<dd><?=gettext("Reject");?></dd>

			<dt><i class="fa fa-tasks"></i></dt>	<dd> <?=gettext("Log");?></dd>

			<dt><i class="fa fa-cog"></i></dt>		<dd> <?=gettext("Advanced filter");?></dd>

		</dl>

<?php

	if ("FloatingRules" != $if)

		print(gettext("Rules are evaluated on a first-match basis (i.e. " .

			"the action of the first rule to match a packet will be executed). ") . '<br />' .

			gettext("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. "));

	else

		print(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 match 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. "));

?>

	</div>

</div>

<script type="text/javascript">

//<![CDATA[

events.push(function() {

	// Make rules sortable

	$('table tbody.user-entries').sortable({

		cursor: 'grabbing',

		update: function(event, ui) {

			$('#order-store').removeAttr('disabled');

		}

	});

	// Check all of the rule checkboxes so that their values are posted

	$('#order-store').click(function () {

	   $('[id^=frc]').prop('checked', true);

	});

});

//]]>

</script>

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