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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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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2004-2013 BSD Perimeter
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* Copyright (c) 2013-2016 Electric Sheep Fencing
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* Copyright (c) 2014-2022 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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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("ipsec.inc");
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require_once("interfaces.inc");
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require_once("captiveportal.inc");
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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 = str_replace("\n", "", $argv[1]);
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}
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$argument = ltrim($argument, '$');
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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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exit;
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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, '', $vhid);
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if (!is_array($vips)) {
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log_error("CARP master event triggered from wrong source {$argument} - no associated VIPs");
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exit;
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}
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foreach ($vips as $vip) {
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$notificationmsg = sprintf('HA cluster member "(%1$s@%2$s): (%3$s)" has resumed CARP state "MASTER" for vhid %4$s',
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$vip['subnet'], $iface, $friendly_descr, $vhid);
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notify_all_remote($notificationmsg);
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log_error($notificationmsg);
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}
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restart_ppp_interfaces_using_interfaces($vips);
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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(true);
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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 $settings) {
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if (substr($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{$vip['uniqid']}") {
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log_error("Starting OpenVPN server instance on {$friendly_descr} because of transition to CARP master.");
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openvpn_restart('server', $settings);
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}
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}
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}
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}
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if (is_array($config['ipsec']) && is_array($config['ipsec']['phase1'])) {
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foreach ($config['ipsec']['phase1'] as $ph1ent) {
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if ((substr($ph1ent['interface'], 0, 4) == '_vip') && (in_array($ph1ent['interface'], $vips))) {
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log_error("Reconfiguring IPsec because of transition to CARP master.");
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ipsec_configure();
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break;
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}
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}
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}
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/* Reconfigure radvd when necessary */
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if (isset($config['dhcpdv6']) && is_array($config['dhcpdv6'])) {
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$rafound = false;
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foreach ($config['dhcpdv6'] as $dhcpv6if => $dhcpv6ifconf) {
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foreach ($vips as $vip) {
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if ($dhcpv6ifconf['rainterface'] == "_vip{$vip['uniqid']}") {
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log_error("Starting radvd instance on {$friendly_descr} because of transition to CARP master.");
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$rafound = true;
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}
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}
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}
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if ($rafound) {
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services_radvd_configure();
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}
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}
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/* Reconfigure DHCP Relay when necessary */
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if (isset($config['dhcrelay']) && is_array($config['dhcrelay']) && isset($config['dhcrelay']['enable']) &&
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isset($config['dhcrelay']['carpstatusvip']) && ($config['dhcrelay']['carpstatusvip'] == "_vip{$vip['uniqid']}")) {
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log_error("Starting DHCP Relay service because of transition to CARP master.");
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services_dhcrelay_configure();
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}
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/* Reconfigure DHCPv6 Relay when necessary */
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if (isset($config['dhcrelay6']) && is_array($config['dhcrelay6']) && isset($config['dhcrelay6']['enable']) &&
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isset($config['dhcrelay6']['carpstatusvip']) && ($config['dhcrelay6']['carpstatusvip'] == "_vip{$vip['uniqid']}")) {
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log_error("Starting DHCPv6 Relay service because of transition to CARP master.");
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services_dhcrelay6_configure();
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}
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/* Reconfigure captive portal when necessary :
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If we are the primary node, and we are switching back from backup to master : Get user list from the backup node */
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if (!empty($config['captiveportal']) && is_array($config['hasync']) && !empty($config['hasync']['synchronizetoip']) &&
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$config['hasync']['synchronizecaptiveportal'] != "") {
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if (empty($config['hasync']['username'])) {
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$xmlrpc_username = "admin";
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} else {
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$xmlrpc_username = $config['hasync']['username'];
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}
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$xmlrpc_port = $config['system']['webgui']['port'];
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if (empty($xmlrpc_port)) {
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if ($config['system']['webgui']['protocol'] == "http") {
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$xmlrpc_port = "80";
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} else {
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$xmlrpc_port = "443";
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}
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}
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foreach ($config['captiveportal'] as $cpzone=>$cp) {
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$rpc_client = new pfsense_xmlrpc_client();
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$rpc_client->setConnectionData($config['hasync']['synchronizetoip'], $xmlrpc_port, $xmlrpc_username, $config['hasync']['password']);
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$resp = $rpc_client->xmlrpc_method('captive_portal_sync', array('op' => 'get_databases', 'zone' => $cpzone));
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if (is_array($resp)) { // $resp will be an array only if the communication was successful
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// Contains array of connected users (will be stored in SQLite DB)
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$connected_users = unserialize(base64_decode($resp['connected_users']));
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// Contains array of active vouchers (will be stored in active vouchers db)
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$active_vouchers = unserialize(base64_decode($resp['active_vouchers']));
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// Contain bitmask of both in use and expired vouchers (will be stored in "used vouchers" db)
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$expired_vouchers = unserialize(base64_decode($resp['expired_vouchers']));
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// Contains array of usedmacs (will be stored in usedmacs db)
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$usedmacs = unserialize(base64_decode($resp['usedmacs']));
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$cpdb = captiveportal_read_db();
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$unsetindexes = array_column($cpdb, 5);
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if (!empty($unsetindexes)) {
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captiveportal_remove_entries($unsetindexes, true); // true: prevent carp loop
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}
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captiveportal_free_dnrules();
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foreach ($connected_users as $id => $user) {
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$pipeno = captiveportal_get_next_dn_ruleno('auth');
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$attributes = array();
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$attributes['allow_time'] = $user['allow_time'];
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$attributes['session_timeout'] = $user['session_timeout'];
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$attributes['idle_timeout'] = $user['idle_timeout'];
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$attributes['session_terminate_time'] = $user['session_terminate_time'];
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$attributes['interim_interval'] = $user['interim_interval'];
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$attributes['maxbytes'] = $user['traffic_quota'];
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portal_allow($user['ip'], $user['mac'], $user['username'], base64_decode($user['bpassword']), null,
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$attributes, $pipeno, $user['authmethod'], $user['context'], $user['sessionid'], true);
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}
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foreach ($expired_vouchers as $roll => $vdb) {
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voucher_write_used_db($roll, $vdb);
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}
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foreach ($active_vouchers as $roll => $vouchers) {
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voucher_write_active_db($roll, $vouchers);
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}
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captiveportal_write_usedmacs_db($usedmacs);
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}
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captiveportal_syslog(sprintf(gettext('Connected users, used vouchers and used MACs have been synchronized from %1$s'), $config['hasync']['synchronizetoip']));
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}
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}
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openlog("", LOG_PID, LOG_LOCAL0);
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$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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