path: root/src/usr/local/www/firewall_nat.php

<?php
/* $Id$ */
/*
	firewall_nat.php
*/
/* ====================================================================
 *  Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved. 
 *  Copyright (c)  2004 Scott Ullrich
 *	Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>
 *	originally part of m0n0wall (http://m0n0.ch/wall)
 *
 *  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: nat
*/

##|+PRIV
##|*IDENT=page-firewall-nat-portforward
##|*NAME=Firewall: NAT: Port Forward page
##|*DESCR=Allow access to the 'Firewall: NAT: Port Forward' page.
##|*MATCH=firewall_nat.php*
##|-PRIV

require("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("itemid.inc");

if (!is_array($config['nat']['rule'])) {
	$config['nat']['rule'] = array();
}

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

/* update rule order, POST[rule] is an array of ordered IDs */
if (is_array($_POST['rule']) && !empty($_POST['rule'])) {
	$a_nat_new = array();

	// if a rule is not in POST[rule], it has been deleted by the user
	foreach ($_POST['rule'] as $id)
		$a_nat_new[] = $a_nat[$id];

	$a_nat = $a_nat_new;

	if (write_config())
		mark_subsystem_dirty('filter');

	header("Location: firewall_nat.php");
	exit;
}

/* if a custom message has been passed along, lets process it */
if ($_GET['savemsg']) {
	$savemsg = $_GET['savemsg'];
}

if ($_POST) {

	$pconfig = $_POST;

	if ($_POST['apply']) {

		$retval = 0;

		$retval |= filter_configure();
		$savemsg = get_std_save_message($retval);

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

		if ($retval == 0) {
			clear_subsystem_dirty('natconf');
			clear_subsystem_dirty('filter');
		}

	}
}

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

		if (isset($a_nat[$_GET['id']]['associated-rule-id'])) {
			delete_id($a_nat[$_GET['id']]['associated-rule-id'], $config['filter']['rule']);
			$want_dirty_filter = true;
		}
		unset($a_nat[$_GET['id']]);

		if (write_config()) {
			mark_subsystem_dirty('natconf');
			if ($want_dirty_filter) {
				mark_subsystem_dirty('filter');
			}
		}

		header("Location: firewall_nat.php");
		exit;
	}
}

if (isset($_POST['del_x'])) {
	/* delete selected rules */
	if (is_array($_POST['rule']) && count($_POST['rule'])) {
		foreach ($_POST['rule'] as $rulei) {
		$target = $rule['target'];
			// Check for filter rule associations
			if (isset($a_nat[$rulei]['associated-rule-id'])) {
				delete_id($a_nat[$rulei]['associated-rule-id'], $config['filter']['rule']);

				mark_subsystem_dirty('filter');
			}
			unset($a_nat[$rulei]);
		}
		if (write_config()) {
			mark_subsystem_dirty('natconf');
		}
		header("Location: firewall_nat.php");
		exit;
	}

} else {
		/* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find 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_nat_new = array();

			/* copy all rules < $movebtn and not selected */
			for ($i = 0; $i < $movebtn; $i++) {
				if (!in_array($i, $_POST['rule'])) {
					$a_nat_new[] = $a_nat[$i];
				}
			}

			/* copy all selected rules */
			for ($i = 0; $i < count($a_nat); $i++) {
				if ($i == $movebtn) {
					continue;
				}
				if (in_array($i, $_POST['rule'])) {
					$a_nat_new[] = $a_nat[$i];
				}
			}

			/* copy $movebtn rule */
			if ($movebtn < count($a_nat)) {
				$a_nat_new[] = $a_nat[$movebtn];
			}

			/* copy all rules > $movebtn and not selected */
			for ($i = $movebtn+1; $i < count($a_nat); $i++) {
				if (!in_array($i, $_POST['rule'])) {
					$a_nat_new[] = $a_nat[$i];
				}
			}
			$a_nat = $a_nat_new;
			if (write_config()) {
				mark_subsystem_dirty('natconf');
			}
			header("Location: firewall_nat.php");
			exit;
		}
}

$closehead = false;
$pgtitle = array(gettext("Firewall"), gettext("NAT"), gettext("Port Forward"));
include("head.inc");

if ($savemsg)
	print_info_box($savemsg, 'success');

if (is_subsystem_dirty('natconf'))
	print_info_box_np(gettext('The NAT configuration has been changed.') . '<br />' .
					  gettext('You must apply the changes in order for them to take effect.') . '<br />');

$tab_array = array();
$tab_array[] = array(gettext("Port Forward"), true, "firewall_nat.php");
$tab_array[] = array(gettext("1:1"), false, "firewall_nat_1to1.php");
$tab_array[] = array(gettext("Outbound"), false, "firewall_nat_out.php");
$tab_array[] = array(gettext("NPt"), false, "firewall_nat_npt.php");
display_top_tabs($tab_array);
?>

<form action="firewall_nat.php" method="post" name="iform">
	<div class="panel panel-default">
		<div class="panel-heading"><?=gettext('Rules')?></div>
		<div class="panel-body table-responsive">
			<table class="table table-striped table-hover table-condensed">
				<thead>
					<tr>
						<th><!-- Rule type --></th>
						<th><?=gettext("If")?></th>
						<th><?=gettext("Proto")?></th>
						<th><?=gettext("Src. addr")?></th>
						<th><?=gettext("Src. ports")?></th>
						<th><?=gettext("Dest. addr")?></th>
						<th><?=gettext("Dest. ports")?></th>
						<th><?=gettext("NAT IP")?></th>
						<th><?=gettext("NAT Ports")?></th>
						<th><?=gettext("Description")?></th>
						<th><?=gettext("Actions")?></th>
					</tr>
				</thead>
				<tbody class='user-entries'>
<?php

$nnats = $i = 0;

foreach ($a_nat as $natent):

	$alias = rule_columns_with_alias(
		$natent['source']['address'],
		pprint_port($natent['source']['port']),
		$natent['destination']['address'],
		pprint_port($natent['destination']['port'])
	);

	/* if user does not have access to edit an interface skip on to the next record */
	if (!have_natpfruleint_access($natent['interface']))
		continue;
?>
					
					<tr id="fr<?=$nnats?>">
						<td>
<?php
	if ($natent['associated-rule-id'] == "pass"):
?>
							<i class="icon-play" title="<?=gettext("All traffic matching this NAT entry is passed")?>"></i>
<?php
	elseif (!empty($natent['associated-rule-id'])):
?>
							<i class="icon-random" title="<?=gettext("Firewall rule ID ")?><?=htmlspecialchars($nnatid)?> . <?=gettext('is managed by this rule')?>"></i>
<?php
	endif;
?>
						</td>
						<td>
							<?=$textss?>
<?php
	if (!$natent['interface'])
		echo htmlspecialchars(convert_friendly_interface_to_friendly_descr("wan"));
	else
		echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface']));
?>
							<?=$textse?>
						</td>

						<td>
							<input type="hidden" name="rule[]" value="<?=$i?>" />
							<?=$textss?><?=strtoupper($natent['protocol'])?><?=$textse?>
						</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($alias['src'])?>" data-html="true">
<?php
	endif;
?>
							<?=htmlspecialchars(pprint_address($natent['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($natent['source']['port']))?>
<?php
	if (isset($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($alias['dst'])?>" data-html="true">
<?php
	endif;
?>
							<?=htmlspecialchars(pprint_address($natent['destination']))?>
<?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($natent['destination']['port']))?>
<?php
	if (isset($alias['dstport'])):
?>
							<i class='icon icon-pencil'></i></a>
<?php
	endif;
?>
						</td>

						<td >
							<?=htmlspecialchars($natent['target'])?>
						</td>
						<td>
<?php
	$localport = $natent['local-port'];

	list($dstbeginport, $dstendport) = explode("-", $natent['destination']['port']);

	if ($dstendport) {
		$localendport = $natent['local-port'] + $dstendport - $dstbeginport;
		$localport	 .= '-' . $localendport;
	}
?>
							<?=htmlspecialchars(pprint_port($localport))?>
						</td>

						<td>
							<?=htmlspecialchars($natent['descr'])?>
						</td>
						<td>
							<a class="btn btn-xs btn-info"	title="<?=gettext("Edit rule"); ?>" href="firewall_nat_edit.php?id=<?=$i?>"><?=gettext("Edit"); ?></a>
							<a class="btn btn-xs btn-danger"  title="<?=gettext("Delete rule")?>" href="firewall_nat.php?act=del&amp;id=<?=$i?>"><?=gettext("Del")?></a>
							<a class="btn btn-xs btn-success"	  title="<?=gettext("Add a new NAT based on this one")?>" href="firewall_nat_edit.php?dup=<?=$i?>"><?=gettext("Clone")?></a>
						</td>
					</tr>
<?php
	$i++;
	$nnats++;
endforeach;
?>
				</tbody>
			</table>
		</div>
	</div>

	<div class="pull-right">
		<a href="firewall_nat_edit.php?after=-1" class="btn btn-sm btn-success" title="<?=gettext('Add new rule')?>"><?=gettext('Add new rule')?></a>
		<input type="submit" id="order-store" class="btn btn-primary btn-sm" value="store changes" disabled="disabled" />
	</div>
</form>

<script>
events.push(function() {
	// Make rules draggable/sortable
	$('table tbody.user-entries').sortable({
		cursor: 'grabbing',
		update: function(event, ui) {
			$('#order-store').removeAttr('disabled');
		}
	});
});
</script>
<?php

if (count($a_nat) > 0) {
?>
<!-- Legend -->
<div>
	<dl class="dl-horizontal responsive">
		<dt><?=gettext('Legend')?></dt>					<dd></dd>
		<dt><i class="icon icon-play"></i></dt>			<dd><?=gettext('Pass')?></dd>
		<dt><i class="icon icon-random"></i></dt>		<dd><?=gettext('Linked rule')?></dd>
	</dl>
</div>

<?php
}

include("foot.inc");