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#!/usr/local/bin/php -f
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<?php
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/*
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* ppp-ipv6
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
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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("globals.inc");
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require_once("interfaces.inc");
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function interface_ipv6_lower($interface_real) {
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global $g, $config;
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if (!empty($interface_real)) {
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$interface = convert_real_interface_to_friendly_interface_name($interface_real);
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if (!empty($interface) && is_array($config['interfaces'][$interface]) && interface_isppp_type($interface)) {
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$ifcfg = $config['interfaces'][$interface];
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if (!empty($ifcfg['ipaddrv6'])) {
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switch ($ifcfg['ipaddrv6']) {
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case 'slaac':
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case 'dhcp6':
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// Take no action if dhcp6 is active on the parent interface, not the PPP interface
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if ($ifcfg['ipaddrv6']==='dhcp6' && !(isset($ifcfg['dhcp6usev4iface']) || $ifcfg['ipaddr']==='ppp')) {
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break;
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}
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// bring down dhcp6c if it is running
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$pidv6 = find_dhcp6c_process($interface_real);
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if ($pidv6) {
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posix_kill($pidv6, SIGTERM);
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sleep(3);
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}
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unlink_if_exists("{$g['varetc_path']}/dhcp6c_{$interface}.conf");
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// disable router advertisements (and therefore SLAAC)
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mwexec("/sbin/ifconfig " . escapeshellarg($interface_real) . " inet6 -accept_rtadv");
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// remove any autoconfigured IPv6 addresses
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exec("/sbin/ifconfig " . escapeshellarg($interface_real) . " inet6", $ifconfig_output);
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foreach ($ifconfig_output as $output) {
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if (preg_match('{ \A \s+ inet6 \s+ (\S+) .* autoconf .* \Z}xmsi', $output, $matches)) {
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mwexec("/sbin/ifconfig " . escapeshellarg($interface_real) . " inet6 " . escapeshellarg($matches[1]) . " delete");
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}
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}
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break;
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default:
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break;
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}
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}
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}
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}
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}
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function interface_ipv6_raise($interface_real) {
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global $config;
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if (!empty($interface_real)) {
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$interface = convert_real_interface_to_friendly_interface_name($interface_real);
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if (!empty($interface) && is_array($config['interfaces'][$interface]) && interface_isppp_type($interface)) {
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$ifcfg = $config['interfaces'][$interface];
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if (!empty($ifcfg['ipaddrv6'])) {
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switch ($ifcfg['ipaddrv6']) {
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case 'slaac':
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case 'dhcp6':
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// Take no action if dhcp6 is active on the parent interface, not the PPP interface
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if ($ifcfg['ipaddrv6']==='dhcp6' && !(isset($ifcfg['dhcp6usev4iface']) || $ifcfg['ipaddr']==='ppp')) {
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break;
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}
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$pidv6 = find_dhcp6c_process($interface_real);
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if (empty($pidv6)) {
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// only fire if router advertisements off
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// (if router advertisements are on, rtsold might be primed to fire dhcp6c already)
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exec("/sbin/ifconfig " . escapeshellarg($interface_real) . " inet6", $ifconfig_output);
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$start = true;
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foreach ($ifconfig_output as $output) {
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if (preg_match('{ \A .* ACCEPT_RTADV .* \Z}xmsi', $output)) {
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$start = false;
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break;
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}
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}
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if ($start) {
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interface_dhcpv6_configure($interface, $ifcfg);
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}
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}
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break;
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default:
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break;
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}
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}
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}
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}
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}
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// main entry point
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if ($argc != 3) {
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goto error;
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}
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$interface_real = trim($argv[1], " \n\t");
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if (empty($interface_real)) {
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goto error;
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}
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switch (strtolower($argv[2])) {
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case 'up':
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interface_ipv6_raise($interface_real);
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break;
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case 'down':
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interface_ipv6_lower($interface_real);
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break;
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default:
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goto error;
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break;
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}
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exit(0);
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error:
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if (!empty($argv[0])) {
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echo("Usage: " . substr(strrchr('/' . $argv[0], '/'), 1) . " <PPP interface> up|down\n");
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}
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exit(1);
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141
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?>
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