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|
<?php
/*
* firewall_nat_out.php
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
* All rights reserved.
*
* originally based on 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.
*
* 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.
*/
##|+PRIV
##|*IDENT=page-firewall-nat-outbound
##|*NAME=Firewall: NAT: Outbound
##|*DESCR=Allow access to the 'Firewall: NAT: Outbound' page.
##|*MATCH=firewall_nat_out.php*
##|-PRIV
require_once("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
global $FilterIflist;
global $GatewaysList;
if (!is_array($config['nat']['outbound'])) {
$config['nat']['outbound'] = array();
}
if (!is_array($config['nat']['outbound']['rule'])) {
$config['nat']['outbound']['rule'] = array();
}
$a_out = &$config['nat']['outbound']['rule'];
// update rule order, POST[rule] is an array of ordered IDs
// All rule are 'checked' before posting
if (isset($_POST['order-store'])) {
if (is_array($_POST['rule']) && !empty($_POST['rule'])) {
$a_out_new = array();
// if a rule is not in POST[rule], it has been deleted by the user
foreach ($_POST['rule'] as $id) {
$a_out_new[] = $a_out[$id];
}
$a_out = $a_out_new;
if (write_config()) {
mark_subsystem_dirty('natconf');
}
header("Location: firewall_nat_out.php");
exit;
}
}
if (!isset($config['nat']['outbound']['mode'])) {
$config['nat']['outbound']['mode'] = "automatic";
}
$mode = $config['nat']['outbound']['mode'];
if ($_POST['apply']) {
$retval = 0;
$retval |= filter_configure();
if (stristr($retval, "error") <> true) {
$savemsg = get_std_save_message($retval);
} else {
$savemsg = $retval;
}
if ($retval == 0) {
clear_subsystem_dirty('natconf');
clear_subsystem_dirty('filter');
}
}
if ($_POST['save']) {
/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
if ($_POST['mode'] == "advanced" && ($mode == "automatic" || $mode == "hybrid")) {
/*
* user has enabled advanced outbound NAT and doesn't have rules
* lets automatically create entries
* for all of the interfaces to make life easier on the pip-o-chap
*/
if (empty($FilterIflist)) {
filter_generate_optcfg_array();
}
if (empty($GatewaysList)) {
filter_generate_gateways();
}
$tonathosts = filter_nat_rules_automatic_tonathosts(true);
$automatic_rules = filter_nat_rules_outbound_automatic("");
foreach ($tonathosts as $tonathost) {
foreach ($automatic_rules as $natent) {
$natent['source']['network'] = $tonathost['subnet'];
$natent['descr'] .= sprintf(gettext(' - %1$s to %2$s'),
$tonathost['descr'],
convert_real_interface_to_friendly_descr($natent['interface']));
$natent['created'] = make_config_revision_entry(null, gettext("Manual Outbound NAT Switch"));
/* Try to detect already auto created rules and avoid duplicating them */
$found = false;
foreach ($a_out as $rule) {
if ($rule['interface'] == $natent['interface'] &&
$rule['source']['network'] == $natent['source']['network'] &&
$rule['dstport'] == $natent['dstport'] &&
$rule['target'] == $natent['target'] &&
$rule['descr'] == $natent['descr']) {
$found = true;
break;
}
}
if ($found === false) {
$a_out[] = $natent;
}
}
}
$savemsg = gettext("Default rules for each interface have been created.");
unset($FilterIflist, $GatewaysList);
}
$config['nat']['outbound']['mode'] = $_POST['mode'];
if (write_config()) {
mark_subsystem_dirty('natconf');
}
header("Location: firewall_nat_out.php");
exit;
}
// Delete a single rule/map
if ($_GET['act'] == "del") {
if ($a_out[$_GET['id']]) {
unset($a_out[$_GET['id']]);
if (write_config()) {
mark_subsystem_dirty('natconf');
}
header("Location: firewall_nat_out.php");
exit;
}
}
// Delete multiple maps Only checked rules will be in the
// POST
if (isset($_POST['del_x'])) {
/* delete selected rules */
print('Deleting rows<br />');
if (is_array($_POST['rule']) && count($_POST['rule'])) {
foreach ($_POST['rule'] as $rulei) {
print('Deleting ' . $rulei . '<br />');
unset($a_out[$rulei]);
}
if (write_config()) {
mark_subsystem_dirty('natconf');
}
header("Location: firewall_nat_out.php");
exit;
}
} else if ($_GET['act'] == "toggle") {
if ($a_out[$_GET['id']]) {
if (isset($a_out[$_GET['id']]['disabled'])) {
unset($a_out[$_GET['id']]['disabled']);
} else {
$a_out[$_GET['id']]['disabled'] = true;
}
if (write_config("Firewall: NAT: Outbound, enable/disable NAT rule")) {
mark_subsystem_dirty('natconf');
}
header("Location: firewall_nat_out.php");
exit;
}
}
$pgtitle = array(gettext("Firewall"), gettext("NAT"), gettext("Outbound"));
include("head.inc");
if ($savemsg) {
print_info_box($savemsg, 'success');
}
if (is_subsystem_dirty('natconf')) {
print_apply_box(gettext('The NAT configuration has been changed.') . '<br />' .
gettext('The changes must be applied for them to take effect.'));
}
$tab_array = array();
$tab_array[] = array(gettext("Port Forward"), false, "firewall_nat.php");
$tab_array[] = array(gettext("1:1"), false, "firewall_nat_1to1.php");
$tab_array[] = array(gettext("Outbound"), true, "firewall_nat_out.php");
$tab_array[] = array(gettext("NPt"), false, "firewall_nat_npt.php");
display_top_tabs($tab_array);
$form = new Form();
$section = new Form_Section('Outbound NAT Mode');
$group = new Form_Group('Mode');
$group->add(new Form_Checkbox(
'mode',
'Mode',
null,
$mode == 'automatic',
'automatic'
))->displayAsRadio()->setHelp('Automatic outbound NAT rule generation.' . '<br />' . '(IPsec passthrough included)');
$group->add(new Form_Checkbox(
'mode',
null,
null,
$mode == 'hybrid',
'hybrid'
))->displayAsRadio()->setHelp('Hybrid Outbound NAT rule generation.' . '<br />' . '(Automatic Outbound NAT + rules below)');
$group->add(new Form_Checkbox(
'mode',
null,
null,
$mode == 'advanced',
'advanced'
))->displayAsRadio()->setHelp('Manual Outbound NAT rule generation.' . '<br />' . '(AON - Advanced Outbound NAT)');
$group->add(new Form_Checkbox(
'mode',
null,
null,
$mode == 'disabled',
'disabled'
))->displayAsRadio()->setHelp('Disable Outbound NAT rule generation.' . '<br />' . '(No Outbound NAT rules)');
$section->add($group);
$form->add($section);
print($form);
?>
<form action="firewall_nat_out.php" method="post" name="iform">
<div class="panel panel-default">
<div class="panel-heading"><h2 class="panel-title"><?=gettext('Mappings')?></h2></div>
<div class="panel-body table-responsive">
<table class="table table-hover table-striped table-condensed">
<thead>
<tr>
<th><!-- checkbox --></th>
<th><!-- status --></th>
<th><?=gettext("Interface")?></th>
<th><?=gettext("Source")?></th>
<th><?=gettext("Source Port")?></th>
<th><?=gettext("Destination")?></th>
<th><?=gettext("Destination Port")?></th>
<th><?=gettext("NAT Address")?></th>
<th><?=gettext("NAT Port")?></th>
<th><?=gettext("Static Port")?></th>
<th><?=gettext("Description")?></th>
<th><?=gettext("Actions")?></th>
</tr>
</thead>
<tbody class="user-entries">
<?php
$i = 0;
foreach ($a_out as $natent):
$iconfn = "pass";
$textss = $textse = "";
$trclass = '';
if ($mode == "disabled" || $mode == "automatic" || isset($natent['disabled'])) {
$iconfn .= "_d";
$trclass = 'class="disabled"';
}
$alias = rule_columns_with_alias(
$natent['source']['address'],
pprint_port($natent['source']['port']),
$natent['destination']['address'],
pprint_port($natent['destination']['port'])
);
?>
<tr id="fr<?=$i;?>" <?=$trclass?> onClick="fr_toggle(<?=$i;?>)" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<td >
<input type="checkbox" id="frc<?=$i;?>" onClick="fr_toggle(<?=$i;?>)" name="rule[]" value="<?=$i;?>"/>
</td>
<td>
<?php
if ($mode == "disabled" || $mode == "automatic"):
?>
<i class="fa <?= ($iconfn == "pass") ? "fa-check":"fa-times"?>" title="<?=gettext("This rule is being ignored")?>"></i>
<?php
else:
?>
<a href="?act=toggle&id=<?=$i?>">
<i class="fa <?= ($iconfn == "pass") ? "fa-check":"fa-times"?>" title="<?=gettext("Click to toggle enabled/disabled status")?>"></i>
</a>
<?php
endif;
?>
<?php if (isset($natent['nonat'])): ?>
<i class="fa fa-hand-stop-o text-danger" title="<?=gettext("Negated: Traffic matching this rule is not translated.")?>"></i>
<?php endif; ?>
</td>
<td>
<?=htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface']))?>
</td>
<td>
<?php
$natent['source']['network'] = ($natent['source']['network'] == "(self)") ? "This Firewall" : $natent['source']['network'];
if (isset($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;
?>
<?=str_replace('_', ' ', htmlspecialchars($natent['source']['network']))?>
<?php
if (isset($alias['src'])):
?>
<i class='fa fa-pencil'></i></a>
<?php
endif;
?>
</td>
<td>
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['sourceport']) {
echo "*";
} else {
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($alias['srcport'])?>" data-html="true">
<?php
endif;
?>
<?=str_replace('_', ' ', htmlspecialchars($natent['sourceport']))?>
<?php
if (isset($alias['srcport'])):
?>
<i class='fa fa-pencil'></i></a>
<?php
endif;
}
?>
</td>
<td>
<?php
if (isset($natent['destination']['any'])) {
echo "*";
} else {
if (isset($natent['destination']['not'])) {
echo "! ";
}
if (isset($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;
?>
<?=str_replace('_', ' ', htmlspecialchars($natent['destination']['address']))?>
<?php
if (isset($alias['dst'])):
?>
<i class='fa fa-pencil'></i></a>
<?php
endif;
}
?>
</td>
<td>
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['dstport']) {
echo "*";
} else {
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($alias['dstport'])?>" data-html="true">
<?php
endif;
?>
<?=str_replace('_', ' ', htmlspecialchars($natent['dstport']))?>
<?php
if (isset($alias['dstport'])):
?>
<i class='fa fa-pencil'></i></a>
<?php
endif;
}
?>
</td>
<td>
<?php
if (isset($natent['nonat'])) {
echo '<I>NO NAT</I>';
} elseif (!$natent['target']) {
echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])) . " address";
} elseif ($natent['target'] == "other-subnet") {
echo $natent['targetip'] . '/' . $natent['targetip_subnet'];
} else {
echo $natent['target'];
}
?>
</td>
<td>
<?php
if (!$natent['natport']) {
echo "*";
} else {
echo $natent['natport'];
}
?>
</td>
<td>
<?php if (isset($natent['staticnatport'])) { ?>
<i class="fa fa-check" title="Keep Source Port Static"></i>
<?php } else { ?>
<i class="fa fa-random" title="Randomize Source Port"></i>
<?php } ?>
</td>
<td>
<?=htmlspecialchars($natent['descr'])?>
</td>
<!-- Action icons -->
<td>
<a class="fa fa-pencil" title="<?=gettext("Edit mapping")?>" href="firewall_nat_out_edit.php?id=<?=$i?>"></a>
<a class="fa fa-clone" title="<?=gettext("Add a new mapping based on this one")?>" href="firewall_nat_out_edit.php?dup=<?=$i?>"></a>
<a class="fa fa-trash" title="<?=gettext("Delete mapping")?>" href="firewall_nat_out.php?act=del&id=<?=$i?>"></a>
</td>
</tr>
<?php
$i++;
endforeach;
?>
</tbody>
</table>
</div>
</div>
<nav class="action-buttons">
<a href="firewall_nat_out_edit.php?after=-1" class="btn btn-sm btn-success" title="<?=gettext('Add new mapping to the top of the list')?>">
<i class="fa fa-level-up icon-embed-btn"></i>
<?=gettext('Add')?>
</a>
<a href="firewall_nat_out_edit.php" class="btn btn-sm btn-success" title="<?=gettext('Add new mapping to the end of the list')?>">
<i class="fa fa-level-down icon-embed-btn"></i>
<?=gettext('Add')?>
</a>
<button name="del_x" type="submit" class="btn btn-danger btn-sm" value="<?=gettext("Delete selected map"); ?>" title="<?=gettext('Delete selected maps')?>">
<i class="fa fa-trash icon-embed-btn"></i>
<?=gettext("Delete"); ?>
</button>
<button type="submit" id="order-store" class="btn btn-primary btn-sm" value="Save changes" disabled name="order-store" title="<?=gettext('Save mapping order')?>">
<i class="fa fa-save icon-embed-btn"></i>
<?=gettext("Save")?>
</button>
</nav>
<?php
if ($mode == "automatic" || $mode == "hybrid"):
if (empty($FilterIflist)) {
filter_generate_optcfg_array();
}
if (empty($GatewaysList)) {
filter_generate_gateways();
}
$automatic_rules = filter_nat_rules_outbound_automatic(implode(" ", filter_nat_rules_automatic_tonathosts()));
unset($FilterIflist, $GatewaysList);
?>
<div class="panel panel-default">
<div class="panel-heading"><h2 class="panel-title"><?=gettext("Automatic Rules:")?></h2></div>
<div class="panel-body table-responsive">
<table class="table table-hover table-striped table-condensed">
<thead>
<tr>
<th><!-- status --></th>
<th><?=gettext("Interface")?></th>
<th><?=gettext("Source")?></th>
<th><?=gettext("Source Port")?></th>
<th><?=gettext("Destination")?></th>
<th><?=gettext("Destination Port")?></th>
<th><?=gettext("NAT Address")?></th>
<th><?=gettext("NAT Port")?></th>
<th><?=gettext("Static Port")?></th>
<th><?=gettext("Description")?></th>
</tr>
</thead>
<tbody>
<?php
foreach ($automatic_rules as $natent):
?>
<tr>
<td>
<i class="fa fa-check" title="<?=gettext("automatic outbound nat")?>"></i>
</td>
<td>
<?=htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])); ?>
</td>
<td>
<?=$natent['source']['network']?>
</td>
<td>
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['sourceport']) {
echo "*";
} else {
echo $natent['sourceport'];
}
?>
</td>
<td>
<?php
if (isset($natent['destination']['any'])) {
echo "*";
} else {
if (isset($natent['destination']['not'])) {
echo "! ";
}
echo $natent['destination']['address'];
}
?>
</td>
<td>
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['dstport']) {
echo "*";
} else {
echo $natent['dstport'];
}
?>
</td>
<td>
<?php
if (isset($natent['nonat'])) {
echo 'NO NAT';
} elseif (!$natent['target']) {
echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])) . " address";
} elseif ($natent['target'] == "other-subnet") {
echo $natent['targetip'] . '/' . $natent['targetip_subnet'];
} else {
echo $natent['target'];
}
?>
</td>
<td>
<?php
if (!$natent['natport']) {
echo "*";
} else {
echo $natent['natport'];
}
?>
</td>
<td>
<?php if (isset($natent['staticnatport'])) { ?>
<i class="fa fa-check" title="Keep Source Port Static"></i>
<?php } else { ?>
<i class="fa fa-random" title="Randomize Source Port"></i>
<?php } ?>
</td>
<td>
<?=htmlspecialchars($natent['descr'])?>
</td>
</tr>
<?php
endforeach;
endif;
?>
</tbody>
</table>
</div>
</div>
</form>
<div class="infoblock">
<?php
print_info_box(gettext('If automatic outbound NAT is selected, a mapping is automatically generated for each interface\'s subnet (except WAN-type connections) and the rules ' .
'on the "Mappings" section of this page are ignored.' . '<br />' .
'If manual outbound NAT is selected, outbound NAT rules will not be automatically generated and only the mappings specified on this page ' .
'will be used.' . '<br />' .
'If hybrid outbound NAT is selected, mappings specified on this page will be used, followed by the automatically generated ones.' . '<br />' .
'If disable outbound NAT is selected, no rules will be used.' . '<br />' .
'If a target address other than an interface\'s IP address is used, then depending on the way the WAN connection is setup, a ') .
'<a href="firewall_virtual_ip.php">' . gettext("Virtual IP") . '</a>' . gettext(" may also be required."),
'info', false);
?>
</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');
dirty = true;
}
});
// Check all of the rule checkboxes so that their values are posted
$('#order-store').click(function () {
$('[id^=frc]').prop('checked', true);
// Suppress the "Do you really want to leave the page" message
saving = true;
});
// Globals
saving = false;
dirty = false;
// provide a warning message if the user tries to change page before saving
$(window).bind('beforeunload', function(){
if (!saving && dirty) {
return ("<?=gettext('One or more NAT outbound mappings have been moved but have not yet been saved')?>");
} else {
return undefined;
}
});
});
//]]>
</script>
<?php include("foot.inc");
|