core/src/www/firewall_nat_out.php
2015-07-06 14:43:02 +00:00

618 lines
22 KiB
PHP

<?php
/*
Copyright (C) 2014 Deciso B.V.
Copyright (C) 2004 Scott Ullrich
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.
*/
require_once("guiconfig.inc");
require_once("functions.inc");
require_once("filter.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'];
if (!isset($config['nat']['outbound']['mode']))
$config['nat']['outbound']['mode'] = "automatic";
$mode = $config['nat']['outbound']['mode'];
if ($_POST['apply']) {
write_config();
$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 (isset($_POST['save']) && $_POST['save'] == "Save") {
/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
if ($_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 duplicate 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'] = $_POST['mode'];
if (write_config())
mark_subsystem_dirty('natconf');
header("Location: firewall_nat_out.php");
exit;
}
if ($_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;
}
}
if (isset($_POST['del_x'])) {
/* delete selected rules */
if (is_array($_POST['rule']) && count($_POST['rule'])) {
foreach ($_POST['rule'] as $rulei) {
unset($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;
}
} 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_out_new = array();
/* copy all rules < $movebtn and not selected */
for ($i = 0; $i < $movebtn; $i++) {
if (!in_array($i, $_POST['rule']))
$a_out_new[] = $a_out[$i];
}
/* copy all selected rules */
for ($i = 0; $i < count($a_out); $i++) {
if ($i == $movebtn)
continue;
if (in_array($i, $_POST['rule']))
$a_out_new[] = $a_out[$i];
}
/* copy $movebtn rule */
if ($movebtn < count($a_out))
$a_out_new[] = $a_out[$movebtn];
/* copy all rules > $movebtn and not selected */
for ($i = $movebtn+1; $i < count($a_out); $i++) {
if (!in_array($i, $_POST['rule']))
$a_out_new[] = $a_out[$i];
}
if (count($a_out_new) > 0)
$a_out = $a_out_new;
if (write_config())
mark_subsystem_dirty('natconf');
header("Location: firewall_nat_out.php");
exit;
}
}
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("Outbound"));
include("head.inc");
?>
<body>
<?php include("fbegin.inc"); ?>
<section class="page-content-main">
<div class="container-fluid">
<div class="row">
<?php
if (isset($savemsg))
print_info_box($savemsg);
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."));
?>
<form action="firewall_nat_out.php" method="post" name="iform" id="iform">
<section class="col-xs-12">
<?php
$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);
?>
<div class="tab-content content-box col-xs-12">
<table class="table table-striped table-sort">
<thead>
<tr>
<th colspan="4"><?=gettext("Mode:"); ?></th>
</tr>
</thead>
<tbody>
<tr>
<td>
<input name="mode" type="radio" id="automatic" value="automatic" <?php if ($mode == "automatic") echo "checked=\"checked\"";?> />
</td>
<td>
<strong>
<?=gettext("Automatic outbound NAT rule generation"); ?><br />
<?=gettext("(IPsec passthrough included)");?>
</strong>
</td>
<td>
<input name="mode" type="radio" id="hybrid" value="hybrid" <?php if ($mode == "hybrid") echo "checked=\"checked\"";?> />
</td>
<td>
<strong>
<?=gettext("Hybrid Outbound NAT rule generation"); ?><br />
<?=gettext("(Automatic Outbound NAT + rules below)");?>
</strong>
</td>
</tr>
<tr>
<td>
<input name="mode" type="radio" id="advanced" value="advanced" <?php if ($mode == "advanced") echo "checked=\"checked\"";?> />
</td>
<td>
<strong>
<?=gettext("Manual Outbound NAT rule generation"); ?><br />
<?=gettext("(AON - Advanced Outbound NAT)");?>
</strong>
</td>
<td>
<input name="mode" type="radio" id="disabled" value="disabled" <?php if ($mode == "disabled") echo "checked=\"checked\"";?> />
</td>
<td>
<strong>
<?=gettext("Disable Outbound NAT rule generation"); ?><br />
<?=gettext("(No Outbound NAT rules)");?>
</strong>
</td>
</tr>
<tr>
<td colspan="4">
<input name="save" type="submit" class="btn btn-primary" value="<?=gettext("Save");?>" />
</td>
</tr>
</tbody>
</table>
</div>
</section>
<section class="col-xs-12">
<div class="table-responsive content-box ">
<table class="table table-striped table-sort">
<thead>
<tr><th colspan="12"><?=gettext("Mappings:"); ?></th></tr>
<tr id="frheader">
<th width="2%" class="list">&nbsp;</th>
<th width="3%" class="list">&nbsp;</th>
<th width="10%" class="listhdrr"><?=gettext("Interface");?></th>
<th width="10%" class="listhdrr"><?=gettext("Source");?></th>
<th width="5%" class="listhdrr"><?=gettext("Source Port");?></th>
<th width="10%" class="listhdrr"><?=gettext("Destination");?></th>
<th width="10%" class="listhdrr"><?=gettext("Destination Port");?></th>
<th width="10%" class="listhdrr"><?=gettext("NAT Address");?></th>
<th width="10%" class="listhdrr"><?=gettext("NAT Port");?></th>
<th width="10%" class="listhdrr"><?=gettext("Static Port");?></th>
<th width="10%" class="listhdr"><?=gettext("Description");?></th>
<th class="list">
<a href="firewall_nat_out_edit.php?after=-1" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-plus"></span></a>
</th>
</tr>
</thead>
<tbody>
<?php
$i = 0;
foreach ($a_out as $natent):
$iconfn = "glyphicon glyphicon-play";
$textss = "text-success";
if ($mode == "disabled" || $mode == "automatic" || isset($natent['disabled'])) {
$textss = "text-muted";
}
?>
<tr valign="top" id="fr<?=$i;?>">
<td class="listt">
<input type="checkbox" id="frc<?=$i;?>" name="rule[]" value="<?=$i;?>" />
</td>
<td class="listt" align="center">
<?php
if ($mode == "disabled" || $mode == "automatic"):
?>
<span title="<?=gettext("This rule is being ignored");?>" class="<?=$iconfn;?> <?=$textss;?>"></span>
<?php
else:
?>
<a href="?act=toggle&amp;id=<?=$i;?>" title="<?=gettext("click to toggle enabled/disabled status");?>" class="btn btn-default btn-xs <?=$textss;?>"><span class="<?=$iconfn;?>"></span></a>
<?php
endif;
?>
</td>
<td class="listlr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])) . $textse; ?>
&nbsp;
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?PHP $natent['source']['network'] = ($natent['source']['network'] == "(self)") ? "This Firewall" : $natent['source']['network']; ?>
<?php echo $natent['source']['network'] . $textse;?>
</td>
<td class="listr" onclick="fr_toggle(<?=$i;?>)" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['sourceport'])
echo "*";
else
echo $natent['sourceport'] ;
echo $textse;
?>
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php
if (isset($natent['destination']['any']))
echo "*";
else {
if (isset($natent['destination']['not']))
echo "!&nbsp;";
echo $natent['destination']['address'] ;
}
echo $textse;
?>
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['dstport'])
echo "*";
else
echo $natent['dstport'] ;
echo $textse;
?>
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php
if (isset($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'];
echo $textse;
?>
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?php
if (!$natent['natport'])
echo "*";
else
echo $natent['natport'];
echo $textse;
?>
</td>
<td class="listr" id="frd<?=$i;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';" align="center">
<?php
if(isset($natent['staticnatport']))
echo gettext("YES");
else
echo gettext("NO");
echo $textse;
?>
</td>
<td class="listbg" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$i;?>';">
<?=htmlspecialchars($natent['descr']);?>&nbsp;
</td>
<td class="list nowrap" valign="middle">
<button onmouseover="fr_insline(<?=$i;?>, true)" onmouseout="fr_insline(<?=$i;?>, false)" name="move_<?=$i;?>_x" title="<?=gettext("move selected rules before this rule");?>" type="submit" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-arrow-left"></span></button>
<a href="firewall_nat_out_edit.php?id=<?=$i;?>" title="<?=gettext("edit mapping");?>" alt="edit" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-pencil"></span></a>
<a href="firewall_nat_out.php?act=del&amp;id=<?=$i;?>" onclick="return confirm('<?=gettext("Do you really want to delete this rule?");?>')" title="<?=gettext("delete rule");?>" alt="delete" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-remove"></span></a>
<a href="firewall_nat_out_edit.php?dup=<?=$i;?>" title="<?=gettext("add a new NAT based on this one");?>" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-plus"></span></a>
</td>
</tr>
<?php
$i++;
endforeach;
?>
<tr valign="top" id="fr<?=$i;?>">
<td class="list" colspan="11"></td>
<td class="list nowrap" valign="middle">
<?php
if ($i == 0):
?>
<span class="btn btn-default btn-xs"><span class="glyphicon glyphicon-arrow-left"></span></span>
<?php
else:
?>
<button onmouseover="fr_insline(<?=$i;?>, true)" onmouseout="fr_insline(<?=$i;?>, false)" name="move_<?=$i;?>_x" type="submit" title="<?=gettext("move selected mappings to end");?>" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-arrow-left"></span></button>
<?php
endif;
?>
<a href="firewall_nat_out_edit.php" title="<?=gettext("add new mapping");?>" alt="add" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-plus"></span></a>
<?php
if ($i == 0):
?>
<span title="<?=gettext("delete selected rules");?>" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-remove"></span></span>
<?php
else:
?>
<button name="del_x" type="submit" title="<?=gettext("delete selected mappings");?>" onclick="return confirm('<?=gettext("Do you really want to delete the selected mappings?");?>')" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-remove"></span></button>
<?php
endif;
?>
</td>
</tr>
</tbody>
<?php
if ($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, $GatewaysList);
?>
<thead>
<tr><th colspan="12"><?=gettext("Automatic rules:"); ?></th></tr>
<tr id="frheader">
<th width="3%" class="list">&nbsp;</th>
<th width="3%" class="list">&nbsp;</th>
<th width="10%" class="listhdrr"><?=gettext("Interface");?></th>
<th width="10%" class="listhdrr"><?=gettext("Source");?></th>
<th width="10%" class="listhdrr"><?=gettext("Source Port");?></th>
<th width="15%" class="listhdrr"><?=gettext("Destination");?></th>
<th width="10%" class="listhdrr"><?=gettext("Destination Port");?></th>
<th width="15%" class="listhdrr"><?=gettext("NAT Address");?></th>
<th width="10%" class="listhdrr"><?=gettext("NAT Port");?></th>
<th width="10%" class="listhdrr"><?=gettext("Static Port");?></th>
<th width="25%" class="listhdr"><?=gettext("Description");?></th>
<th class="list">&nbsp;</th>
</tr>
</thead>
<tbody>
<?php
foreach ($automatic_rules as $natent):
?>
<tr valign="top">
<td class="list">&nbsp;</td>
<td class="listt" align="center">
<span class="glyphicon glyphicon-play text-success" title="<?=gettext("automatic outbound nat");?>"></span>
</td>
<td class="listlr">
<?php echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface'])); ?>
&nbsp;
</td>
<td class="listr">
<?=$natent['source']['network'];?>
</td>
<td class="listr">
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['sourceport'])
echo "*";
else
echo $natent['sourceport'];
?>
</td>
<td class="listr">
<?php
if (isset($natent['destination']['any']))
echo "*";
else {
if (isset($natent['destination']['not']))
echo "!&nbsp;";
echo $natent['destination']['address'];
}
?>
</td>
<td class="listr">
<?php
echo ($natent['protocol']) ? $natent['protocol'] . '/' : "" ;
if (!$natent['dstport'])
echo "*";
else
echo $natent['dstport'];
?>
</td>
<td class="listr">
<?php
if (isset($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 $natent['target'];
?>
</td>
<td class="listr">
<?php
if (!$natent['natport'])
echo "*";
else
echo $natent['natport'];
?>
</td>
<td class="listr">
<?php
if(isset($natent['staticnatport']))
echo gettext("YES");
else
echo gettext("NO");
?>
</td>
<td class="listbg">
<?=htmlspecialchars($natent['descr']);?>&nbsp;
</td>
<td class="list">&nbsp;</td>
</tr>
<?php
endforeach;
endif;
?>
<tr>
<td colspan="12">
<p><span class="vexpl">
<span class="red"><strong><?=gettext("Note:"); ?><br /></strong></span>
<?=gettext("If automatic outbound NAT selected, a mapping is automatically created " .
"for each interface's subnet (except WAN-type connections) and the rules " .
"on \"Mappings\" section of this page are ignored.<br /><br /> " .
"If manual outbound NAT is selected, outbound NAT rules will not be " .
"automatically generated and only the mappings you specify on this page " .
"will be used. <br /><br /> " .
"If hybrid outbound NAT is selected, mappings you specify on this page will " .
"be used, followed by the automatically generated ones. <br /><br />" .
"If disable outbound NAT is selected, no rules will be used. <br /><br />" .
"If a target address other than a WAN-type 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.") ?>
</span></p>
</td>
</tr>
</tbody>
</table>
</div>
</section>
</form>
</div>
</div>
</section>
<?php include("foot.inc"); ?>