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#!/usr/local/bin/php-cgi -f
<?php
/*
* rc.newwanip
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2006-2016 Rubicon Communications, LLC (Netgate)
* All rights reserved.
*
* Originally part of m0n0wall (http://m0n0.ch/wall)
* Copyright (c) 2003-2005 Manuel Kasper <mk@neon1.net>.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* parse the configuration and include all functions used below */
require_once("globals.inc");
require_once("config.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("ipsec.inc");
require_once("vpn.inc");
require_once("openvpn.inc");
require_once("Net/IPv6.php");
require_once("rrd.inc");
function restart_packages() {
global $oldip, $curwanip, $g;
/* restart packages */
log_error("{$g['product_name']} package system has detected an IP change or dynamic WAN reconnection - $oldip -> $curwanip - Restarting packages.");
send_event("service reload packages");
}
/* Interface IP address has changed */
if (isset($_GET['interface'])) {
$argument = $_GET['interface'];
} else {
$argument = str_replace("\n", "", $argv[1]);
}
log_error("rc.newwanip: Info: starting on {$argument}.");
if (empty($argument)) {
$interface = "wan";
$interface_real = get_real_interface();
} else {
$interface = convert_real_interface_to_friendly_interface_name($argument);
$interface_real = $argument;
}
$interface_descr = convert_friendly_interface_to_friendly_descr($interface);
/* If the interface is configured and not enabled, bail. We do not need to change settings for disabled interfaces. #3313 */
if (is_array($config['interfaces'][$interface]) && !isset($config['interfaces'][$interface]['enable'])) {
log_error("Interface is disabled, nothing to do.");
return;
}
if (empty($argument)) {
$curwanip = get_interface_ip();
} else {
$curwanip = find_interface_ip($interface_real, true);
if ($curwanip == "") {
$curwanip = get_interface_ip($interface);
}
}
log_error("rc.newwanip: on (IP address: {$curwanip}) (interface: {$interface_descr}[{$interface}]) (real interface: {$interface_real}).");
/*
* NOTE: Take care of openvpn, no-ip or similar interfaces if you generate the event to reconfigure an interface.
* i.e. OpenVPN might be in tap mode and not have an ip.
*/
if ($curwanip == "0.0.0.0" || !is_ipaddr($curwanip)) {
if (substr($interface_real, 0, 4) != "ovpn") {
if (!empty($config['interfaces'][$interface]['ipaddr'])) {
log_error("rc.newwanip: Failed to update {$interface} IP, restarting...");
send_event("interface reconfigure {$interface}");
return;
}
}
}
/* XXX: This really possible? */
if (empty($interface)) {
if (platform_booting()) {
return;
}
log_error("rc.newwanip called with empty interface.");
filter_configure();
restart_packages();
return;
}
$oldip = "0.0.0.0";
if (file_exists("{$g['vardb_path']}/{$interface}_cacheip")) {
$oldip = file_get_contents("{$g['vardb_path']}/{$interface}_cacheip");
}
/* regenerate resolv.conf */
system_resolvconf_generate(true);
/* write the current interface IP to file */
if (is_ipaddr($curwanip)) {
@file_put_contents("{$g['vardb_path']}/{$interface}_ip", $curwanip);
}
link_interface_to_vips($interface, "update");
unset($gre);
$gre = link_interface_to_gre($interface);
if (!empty($gre)) {
array_walk($gre, 'interface_gre_configure');
}
unset($gif);
$gif = link_interface_to_gif($interface);
if (!empty($gif)) {
array_walk($gif, 'interface_gif_configure');
}
$grouptmp = link_interface_to_group($interface);
if (!empty($grouptmp)) {
array_walk($grouptmp, 'interface_group_add_member');
}
unset($bridgetmp);
$bridgetmp = link_interface_to_bridge($interface);
if (!empty($bridgetmp)) {
interface_bridge_add_member($bridgetmp, $interface_real);
}
/* make new hosts file */
system_hosts_generate();
/* check tunnelled IPv6 interface tracking */
switch ($config['interfaces'][$interface]['ipaddrv6']) {
case "6to4":
interface_6to4_configure($interface, $config['interfaces'][$interface]);
break;
case "6rd":
interface_6rd_configure($interface, $config['interfaces'][$interface]);
break;
case "dhcp6":
// N.B. PPP connections using PPP as the IPv6 parent interface are excluded because the ppp-ipv6 script calls
// interface_dhcpv6_configure() for these connections after IPv6CP is up
if (isset($config['interfaces'][$interface]['dhcp6usev4iface']) && !interface_isppp_type($interface)) {
interface_dhcpv6_configure($interface, $config['interfaces'][$interface]);
}
break;
}
/* Check Gif tunnels */
if (!empty($gif)) {
foreach ($gif as $giftun) {
$confif = convert_real_interface_to_friendly_interface_name($giftun['gifif']);
if (!empty($confif)) {
interface_configure($confif);
system_routing_configure($confif);
}
}
}
if (!empty($gre)) {
foreach ($gre as $gretun) {
$confif = convert_real_interface_to_friendly_interface_name($gretun['greif']);
if (!empty($confif)) {
interface_configure($confif);
system_routing_configure($confif);
}
}
}
if (platform_booting()) {
// avoid race conditions in many of the below functions that occur during boot
// setting up gateways monitor doesn't seem to have issues here, and fixes the
// most commonly encountered bugs from earlier versions when everything below
// was skipped during boot
setup_gateways_monitor();
exit;
}
/*
* We need to force sync VPNs on such even when the IP is the same for dynamic interfaces.
* Even with the same IP the VPN software is unhappy with the IP disappearing, and we
* could be failing back in which case we need to switch IPs back anyhow.
*/
if (!is_ipaddr($oldip) || $curwanip != $oldip || !is_ipaddrv4($config['interfaces'][$interface]['ipaddr'])) {
/* IP changed, kill states accordingly */
if ($curwanip != $oldip) {
log_error("IP has changed, killing states on former IP $oldip.");
pfSense_kill_states($oldip);
if (isset($config['system']['ip_change_kill_states'])) {
/* hidden config option to wipe all states if needed */
log_error("Killing all states post-IP change.");
filter_flush_state_table();
}
}
/*
* Some services (e.g. dyndns, see ticket #4066) depend on
* filter_configure() to be called before, otherwise pass out
* route-to rules have the old ip set in 'from' and connections
* do not go through the correct link
*/
filter_configure_sync();
/* reconfigure static routes (kernel may have deleted them) */
system_routing_configure($interface);
/* reconfigure our gateway monitor */
setup_gateways_monitor();
/* reload unbound */
services_unbound_configure();
if (is_ipaddr($curwanip)) {
@file_put_contents("{$g['vardb_path']}/{$interface}_cacheip", $curwanip);
}
/* perform RFC 2136 DNS update */
services_dnsupdate_process($interface);
/* signal dyndns update */
services_dyndns_configure($interface);
/* reconfigure IPsec tunnels */
vpn_ipsec_force_reload($interface);
/* start OpenVPN server & clients */
if (substr($interface_real, 0, 4) != "ovpn") {
openvpn_resync_all($interface);
}
/* reload graphing functions */
enable_rrd_graphing();
/* reload igmpproxy */
services_igmpproxy_configure();
/* restart snmp */
services_snmpd_configure();
restart_packages();
} else {
/* signal filter reload */
filter_configure();
}
?>
|
