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interfaces_gre_edit.php
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interfaces_gre_edit.php
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<?php
/*
* Copyright (C) 2014-2015 Deciso B.V.
* Copyright (C) 2008 Ermal Luçi
* 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("system.inc");
require_once("interfaces.inc");
require_once("filter.inc");
$a_gres = &config_read_array('gres', 'gre');
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
// read form data
if (!empty($a_gres[$_GET['id']])) {
$id = $_GET['id'];
}
$pconfig = [];
// copy fields
$copy_fields = ['if', 'greif', 'remote-addr', 'tunnel-remote-net', 'tunnel-local-addr', 'tunnel-remote-addr', 'descr'];
foreach ($copy_fields as $fieldname) {
$pconfig[$fieldname] = isset($a_gres[$id][$fieldname]) ? $a_gres[$id][$fieldname] : null;
}
} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
// validate / save form data
if (!empty($a_gres[$_POST['id']])) {
$id = $_POST['id'];
}
$input_errors = [];
$pconfig = $_POST;
/* input validation */
$reqdfields = explode(" ", "if tunnel-remote-addr tunnel-remote-net tunnel-local-addr");
$reqdfieldsn = [gettext('Parent interface'),gettext('Local address'),gettext('Remote tunnel address'),gettext('Remote tunnel network'), gettext('Local tunnel address')];
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
if (!is_ipaddr($pconfig['tunnel-local-addr']) || !is_ipaddr($pconfig['tunnel-remote-addr']) || !is_ipaddr($pconfig['remote-addr'])) {
$input_errors[] = gettext("The tunnel local and tunnel remote fields must have valid IP addresses.");
}
foreach ($a_gres as $gre) {
if (isset($id) && $a_gres[$id] === $gre) {
continue;
}
if ($gre['if'] == $pconfig['if'] && $gre['tunnel-remote-addr'] == $pconfig['tunnel-remote-addr']) {
$input_errors[] = sprintf(gettext("A GRE tunnel with the network %s is already defined."),$gre['remote-network']);
break;
}
}
if (count($input_errors) == 0) {
$gre = [];
$copy_fields = ['if', 'greif', 'remote-addr', 'tunnel-remote-net', 'tunnel-local-addr', 'tunnel-remote-addr', 'descr'];
foreach ($copy_fields as $fieldname) {
$gre[$fieldname] = isset($pconfig[$fieldname]) ? $pconfig[$fieldname] : null;
}
if (empty($gre['greif'])) {
$gre['greif'] = legacy_interface_create('gre'); /* XXX find another strategy */
}
if (empty($gre['greif']) || strpos($gre['greif'], 'gre') !== 0) {
$input_errors[] = gettext("Error occurred creating interface, please retry.");
} else {
if (isset($id)) {
$a_gres[$id] = $gre;
} else {
$a_gres[] = $gre;
}
write_config();
interfaces_gre_configure($gre['greif']);
ifgroup_setup();
$confif = convert_real_interface_to_friendly_interface_name($gre['greif']);
if ($confif != '') {
interface_configure(false, $confif);
}
header(url_safe('Location: /interfaces_gre.php'));
exit;
}
}
}
legacy_html_escape_form_data($pconfig);
include("head.inc");
?>
<body>
<script>
$( document ).ready(function() {
hook_ipv4v6('ipv4v6net', 'network-id', '128');
});
</script>
<?php include("fbegin.inc"); ?>
<section class="page-content-main">
<div class="container-fluid">
<div class="row">
<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
<section class="col-xs-12">
<div class="content-box">
<div class="table-responsive">
<form method="post" name="iform" id="iform">
<table class="table table-striped opnsense_standard_table_form">
<thead>
<tr>
<td style="width:22%"><strong><?=gettext("GRE configuration");?></strong></td>
<td style="width:78%; text-align:right">
<small><?=gettext("full help"); ?> </small>
<i class="fa fa-toggle-off text-danger" style="cursor: pointer;" id="show_all_help_page"></i>
</td>
</tr>
</thead>
<tbody>
<tr>
<td><a id="help_for_if" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Parent interface");?></td>
<td>
<select name="if" class="selectpicker" data-live-search="true">
<?php
$portlist = get_configured_interface_with_descr();
$carplist = get_configured_carp_interface_list();
$aliaslist = get_configured_ip_aliases_list();
foreach ($carplist as $cif => $carpip) {
$portlist[$cif] = $carpip." (".get_vip_descr($carpip).")";
}
foreach ($aliaslist as $aliasip => $aliasif) {
$portlist[$aliasip] = $aliasip." (".get_vip_descr($aliasip).")";
}
foreach ($portlist as $ifn => $ifinfo):?>
<option value="<?=$ifn;?>" <?=$ifn == $pconfig['if'] ? "selected=\"selected\"" : "";?>>
<?=htmlspecialchars($ifinfo);?>
</option>
<?php
endforeach;?>
</select>
<div class="hidden" data-for="help_for_if">
<?=gettext("The interface here serves as the local address to be used for the GRE tunnel.");?>
</div>
</td>
</tr>
<tr>
<td><a id="help_for_remote-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE remote address");?></td>
<td>
<input name="remote-addr" type="text" value="<?=$pconfig['remote-addr'];?>" />
<div class="hidden" data-for="help_for_remote-addr">
<?=gettext("Peer address where encapsulated GRE packets will be sent.");?>
</div>
</td>
</tr>
<tr>
<td><a id="help_for_tunnel-local-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE tunnel local address");?></td>
<td>
<input name="tunnel-local-addr" type="text" value="<?=$pconfig['tunnel-local-addr'];?>" />
<div class="hidden" data-for="help_for_tunnel-local-addr">
<?=gettext("Local GRE tunnel endpoint");?>
</div>
</td>
</tr>
<tr>
<td><a id="help_for_tunnel-remote-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE tunnel remote address");?></td>
<td>
<table class="table table-condensed">
<tr>
<td style="width:285px">
<input name="tunnel-remote-addr" type="text" id="tunnel-remote-addr" value="<?=$pconfig['tunnel-remote-addr'];?>" />
</td>
<td>
<select name="tunnel-remote-net" data-network-id="tunnel-remote-addr" class="selectpicker ipv4v6net" id="tunnel-remote-net" data-width="auto">
<?php
for ($i = 128; $i > 0; $i--):?>
<option value="<?=$i;?>" <?=$i == $pconfig['tunnel-remote-net'] ? "selected=\"selected\"" : "";?> >
<?=$i;?>
</option>
<?php
endfor;?>
</select>
</td>
</tr>
</table>
<div class="hidden" data-for="help_for_tunnel-remote-addr">
<?=gettext("Remote GRE address endpoint. The subnet part is used for the determining the network that is tunneled.");?>
</div>
</td>
</tr>
<tr>
<td><a id="help_for_descr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Description"); ?></td>
<td>
<input name="descr" type="text" value="<?=$pconfig['descr'];?>" />
<div class="hidden" data-for="help_for_descr">
<?=gettext("You may enter a description here for your reference (not parsed)."); ?>
</div>
</td>
</tr>
<tr>
<td style="width:22%"> </td>
<td style="width:78%">
<input type="hidden" name="greif" value="<?=$pconfig['greif']; ?>" />
<input name="Submit" type="submit" class="btn btn-primary" value="<?=html_safe(gettext('Save'));?>" />
<input type="button" class="btn btn-default" value="<?=html_safe(gettext('Cancel'));?>" onclick="window.location.href='/interfaces_gre.php'" />
<?php if (isset($id)): ?>
<input name="id" type="hidden" value="<?=$id;?>" />
<?php endif; ?>
</td>
</tr>
</tbody>
</table>
</form>
</div>
</div>
</section>
</div>
</div>
</section>
<?php include("foot.inc"); ?>