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#!/usr/local/bin/php-cgi -f
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<?php
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/*
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* rc.ipsec
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* parse the configuration and include all functions used below */
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require_once("config.inc");
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require_once("gwlb.inc");
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require_once("ipsec.inc");
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require_once("util.inc");
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require_once("globals.inc");
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/* make sure to wait until the boot scripts have finished */
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if (platform_booting()) {
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return;
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}
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if (isset($_GET['interface'])) {
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$argument = $_GET['interface'];
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} else {
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$argument = trim($argv[1], " \n");
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}
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$ipsec_reload = false;
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if (empty($argument)) {
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$ipsec_reload = true;
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} else {
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$arg_array = explode(",", $argument);
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foreach ($arg_array as $arg_element) {
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$gwgroups = array();
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if ($arg_element == "all") {
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$ipsec_reload = true;
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break;
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} else {
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// e.g. $arg_element = "WANGW", $interface = "wan"
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$interface = lookup_gateway_interface_by_name($arg_element);
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if (empty($interface)) {
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$interface = $arg_element;
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} else {
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// e.g. $arg_element = "WANGW", $gwgroups = array of gateway groups that use "wan"
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$gwgroups = gateway_is_gwgroup_member($arg_element);
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}
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init_config_arr(array('ipsec', 'phase1'));
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foreach ($config['ipsec']['phase1'] as $phase1) {
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if (isset($phase1['disabled']) || isset($phase1['mobile']) ||
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($phase1['startaction'] == 'none')) {
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continue;
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}
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if (substr($phase1['interface'], 0, 4) == "_vip") {
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$phase1iface = get_configured_vip_interface($phase1['interface']);
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if (substr($phase1iface, 0, 4) == "_vip") {
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// vips are nested if its a ipalias with a carp parent
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$phase1iface = get_configured_vip_interface($phase1iface);
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}
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} else {
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$phase1iface = $phase1['interface'];
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}
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if (($phase1iface == $interface) ||
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(!empty($gwgroups) && in_array($phase1iface, $gwgroups))) {
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$ipsec_reload = true;
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break 2;
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}
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}
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}
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}
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}
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if ($ipsec_reload) {
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$ipseclck_pending = try_lock('ipsecdns_pending', 0);
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if (!$ipseclck_pending) {
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/* if a ipsec_configure() is still pending no need to stack up another one */
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return;
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}
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$ipseclck = lock('ipsecdns', LOCK_EX);
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sleep(12);
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unlock($ipseclck_pending);
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sleep(3);
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log_error("IPSEC: One or more IPsec tunnel gateways have changed. Refreshing.");
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ipsec_configure();
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unlock($ipseclck);
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ipsec_reload_package_hook();
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}
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