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#!/usr/local/bin/php-cgi -f
<?php
/*
* rc.carpmaster
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
* 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.
*/
require_once("functions.inc");
require_once("config.inc");
require_once("notices.inc");
require_once("openvpn.inc");
require_once("interfaces.inc");
if (isset($_GET['interface'])) {
$argument = $_GET['interface'];
} else {
$argument = str_replace("\n", "", $argv[1]);
}
if (!strstr($argument, "@")) {
log_error("CARP master event triggered from wrong source {$argument}");
exit;
}
list($vhid, $iface) = explode("@", $argument);
$friendly = convert_real_interface_to_friendly_interface_name($iface);
$friendly_descr = convert_friendly_interface_to_friendly_descr($friendly);
$vips = link_interface_to_vips($friendly, '', $vhid);
if (!is_array($vips)) {
log_error("CARP master event triggered from wrong source {$argument} - no associated VIPs");
exit;
}
foreach ($vips as $vip) {
$notificationmsg = sprintf('HA cluster member "(%1$s@%2$s): (%3$s)" has resumed CARP state "MASTER" for vhid %4$s',
$vip['subnet'], $iface, $friendly_descr, $vhid);
notify_via_smtp($notificationmsg);
notify_via_growl($notificationmsg);
log_error($notificationmsg);
}
/* Start OpenVPN clients running on this VIP, since they should be in the stopped state while the VIP is CARP Backup. */
global $config;
$a_groups = return_gateway_groups_array();
if (is_array($config['openvpn']) && is_array($config['openvpn']['openvpn-client'])) {
foreach ($config['openvpn']['openvpn-client'] as $settings) {
if (substr($settings['interface'], 0, 4) == '_vip') {
$openvpn_vip = $settings['interface'];
} else if (is_array($a_groups[$settings['interface']])) {
// interface is a gateway group, check CARP VIP
if (substr($a_groups[$settings['interface']][0]['vip'], 0, 4) == '_vip') {
$openvpn_vip = $a_groups[$settings['interface']][0]['vip'];
}
} else {
// this OpenVPN instance not on a CARP IP
continue;
}
foreach ($vips as $vip) {
if ($openvpn_vip == "_vip{$vip['uniqid']}") {
log_error("Starting OpenVPN client instance on {$friendly_descr} because of transition to CARP master.");
openvpn_restart('client', $settings);
}
}
}
}
if (is_array($config['openvpn']) && is_array($config['openvpn']['openvpn-server'])) {
foreach ($config['openvpn']['openvpn-server'] as $settings) {
if (substr($settings['interface'], 0, 4) == '_vip') {
$openvpn_vip = $settings['interface'];
} else if (is_array($a_groups[$settings['interface']])) {
// interface is a gateway group, check CARP VIP
if (substr($a_groups[$settings['interface']][0]['vip'], 0, 4) == '_vip') {
$openvpn_vip = $a_groups[$settings['interface']][0]['vip'];
}
} else {
// this OpenVPN instance not on a CARP IP
continue;
}
foreach ($vips as $vip) {
if ($openvpn_vip == "_vip{$vip['uniqid']}") {
log_error("Starting OpenVPN server instance on {$friendly_descr} because of transition to CARP master.");
openvpn_restart('server', $settings);
}
}
}
}
/* Reconfigure radvd when necessary */
if (isset($config['dhcpdv6']) && is_array($config['dhcpdv6'])) {
$rafound = false;
foreach ($config['dhcpdv6'] as $dhcpv6if => $dhcpv6ifconf) {
foreach ($vips as $vip) {
if ($dhcpv6ifconf['rainterface'] == "_vip{$vip['uniqid']}") {
log_error("Starting radvd instance on {$friendly_descr} because of transition to CARP master.");
$rafound = true;
}
}
}
if ($rafound) {
services_radvd_configure();
}
}
$pluginparams = array();
$pluginparams['type'] = 'carp';
$pluginparams['event'] = 'rc.carpmaster';
$pluginparams['interface'] = $argument;
pkg_call_plugins('plugin_carp', $pluginparams);
?>
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