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#!/usr/local/bin/php-cgi -f
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<?php
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/*
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rc.carpmaster
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part of pfSense (https://www.pfsense.org)
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Copyright (C) 2004 Scott Ullrich
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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require_once("functions.inc");
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require_once("config.inc");
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require_once("notices.inc");
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require_once("openvpn.inc");
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require_once("interfaces.inc");
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if (isset($_GET)) {
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$argument = $_GET['interface'];
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} else {
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$argument = str_replace("\n", "", $argv[1]);
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}
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if (!strstr($argument, "@")) {
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log_error("CARP master event triggered from wrong source {$argument}");
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}
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list($vhid, $iface) = explode("@", $argument);
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$friendly = convert_real_interface_to_friendly_interface_name($iface);
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$friendly_descr = convert_friendly_interface_to_friendly_descr($friendly);
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$vips = link_interface_to_vips($friendly, '', $vhid);
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$carp_iface = "{$friendly}_vip{$vhid}";
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foreach ($vips as $vip) {
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$notificationmsg = sprintf('HA cluster member "(%1$s): (%2$s)" has resumed CARP state "MASTER" for vhid %3$s', $argument, $friendly_descr, $vhid);
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notify_via_smtp($notificationmsg);
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notify_via_growl($notificationmsg);
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log_error($notificationmsg);
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}
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/* Start OpenVPN clients running on this VIP, since they should be in the stopped state while the VIP is CARP Backup. */
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global $config;
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$a_groups = return_gateway_groups_array();
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if (is_array($config['openvpn']) && is_array($config['openvpn']['openvpn-client'])) {
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foreach ($config['openvpn']['openvpn-client'] as $settings) {
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if (substr($settings['interface'], 0, 4) == '_vip') {
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$openvpn_vip = $settings['interface'];
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} else if (is_array($a_groups[$settings['interface']])) {
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// interface is a gateway group, check CARP VIP
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if (substr($a_groups[$settings['interface']][0]['vip'], 0, 4) == '_vip') {
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$openvpn_vip = $a_groups[$settings['interface']][0]['vip'];
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}
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} else {
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// this OpenVPN instance not on a CARP IP
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continue;
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}
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foreach ($vips as $vip) {
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if ($openvpn_vip == "_vip{$vip['uniqid']}") {
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log_error("Starting OpenVPN client instance on {$friendly_descr} because of transition to CARP master.");
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openvpn_restart('client', $settings);
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}
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}
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}
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}
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if (is_array($config['openvpn']) && is_array($config['openvpn']['openvpn-server'])) {
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foreach ($config['openvpn']['openvpn-server'] as $settings) {
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if ($settings['interface'] == $carp_iface) {
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log_error("Starting OpenVPN instance on {$friendly_descr} because of transition to CARP master.");
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openvpn_restart('server', $settings);
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}
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}
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}
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/* Reconfigure radvd when necessary */
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if (isset($config['dhcpdv6']) && is_array($config['dhcpdv6'])) {
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$found = false;
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foreach ($config['dhcpdv6'] as $dhcpv6if => $dhcpv6ifconf) {
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if ($dhcpv6ifconf['rainterface'] != $carp_iface) {
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continue;
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}
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$found = true;
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break;
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}
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if ($found === true) {
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services_radvd_configure();
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}
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}
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$pluginparams = array();
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$pluginparams['type'] = 'carp';
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$pluginparams['event'] = 'rc.carpmaster';
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$pluginparams['interface'] = $argument;
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pkg_call_plugins('plugin_carp', $pluginparams);
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?>
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