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#!/usr/local/bin/php-cgi -f
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<?php
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/*
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* rc.linkup
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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) 2014-2024 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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/* parse the configuration and include all functions used below */
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require_once("globals.inc");
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require_once("config.inc");
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require_once("filter.inc");
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require_once("shaper.inc");
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require_once("interfaces.inc");
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require_once("gwlb.inc");
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function handle_argument_group($iface, $action) {
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global $g, $config;
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if (empty(config_get_path("interfaces/{$iface}"))) {
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log_error("Cannot find interface configuration for {$iface}");
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return;
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}
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if (!config_path_enabled("interfaces/{$iface}")) {
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log_error("Linkup detected on disabled interface...Ignoring");
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return;
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}
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$ipaddr = config_get_path("interfaces/{$iface}/ipaddr", '');
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$ip6addr = config_get_path("interfaces/{$iface}/ipaddrv6", '');
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$staticv4 = empty($ipaddr) ? true : is_ipaddrv4($ipaddr);
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$staticv6 = empty($ip6addr) ? true : is_ipaddrv6($ip6addr);
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/* Take care of events on bridge members when IP is configured on bridge */
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$bridge_if = link_interface_to_bridge($iface);
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if (!empty($bridge_if) && empty($ipaddr) && empty($ip6addr)) {
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log_error("Ignoring link event for bridge member without IP address configuration");
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return;
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}
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/* Ignore events on LAGG members without IP address configuration */
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$lagg_if = link_interface_to_lagg($iface);
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if (!empty($lagg_if) && empty($ipaddr) && empty($ip6addr)) {
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log_error("Ignoring link event for LAGG member without IP address configuration");
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return;
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}
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$friendly = convert_friendly_interface_to_friendly_descr($iface);
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$addrs = [];
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if (!empty($ipaddr)) {
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$addrs[] = "4: {$ipaddr}";
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}
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if (!empty($ip6addr)) {
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$addrs[] = "6: {$ip6addr}";
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}
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$addrs = implode(', ', $addrs);
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if (($staticv4 === true) && ($staticv6 === true)) {
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log_error("Hotplug event detected for {$friendly}({$iface}) static IP address ({$addrs})");
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interfaces_staticarp_configure($iface);
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switch ($action) {
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case "stop":
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log_error("DEVD Ethernet detached event for {$iface}");
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/* Restart unbound on interface down (static),
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* only when this interface is referenced in resolver configuration.
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* https://redmine.pfsense.org/issues/13254
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*/
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if (config_path_enabled('unbound')) {
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services_unbound_configure(true, $iface);
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}
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break;
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case 'start':
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log_error("DEVD Ethernet attached event for {$iface}");
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$realif = get_real_interface($iface);
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/* NOTE: Do not generate event for OpenVPN since the daemon does that for us. */
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if (substr($realif, 0, 4) != "ovpn") {
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log_error("HOTPLUG: Triggering address refresh on {$iface} ({$realif})");
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touch("{$g['tmp_path']}/{$iface}_upstart4");
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touch("{$g['tmp_path']}/{$iface}_upstart6");
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send_event("interface newip {$realif}");
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}
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break;
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default:
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/* Do nothing, invalid action */
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}
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} else {
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log_error("Hotplug event detected for {$friendly}({$iface}) dynamic IP address ({$addrs})");
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switch ($action) {
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case "stop":
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log_error("DEVD Ethernet detached event for {$iface}");
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/* Locate interface gateways, if any exist. */
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$gw4 = get_interface_gateway_name($iface, 'inet');
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$gw6 = get_interface_gateway_name($iface, 'inet6');
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/* Tear down interface for dynamic types except if the only
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* dynamic part is track6
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* https://redmine.pfsense.org/issues/14756
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*/
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if (!($staticv4 && ($ip6addr == 'track6'))) {
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interface_bring_down($iface);
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}
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if (!$staticv4) {
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/* If there is a gateway on this interface, we may want to take additional actions */
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if (!empty($gw4)) {
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$gw4d = false;
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$gw4ip = get_interface_gateway($iface, $gw4d);
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if (empty($gw4ip)) {
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$gw4ip = get_interface_gateway_last($iface, 'inet');
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}
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/* Force a gateway alarm since dpinger isn't in a state to do so
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* https://redmine.pfsense.org/issues/14829
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* https://redmine.pfsense.org/issues/14626
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*/
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mwexec_bg("/etc/rc.gateway_alarm " .
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escapeshellarg($gw4) . " " .
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escapeshellarg($gw4ip) . " " .
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'down 0 0 100');
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}
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}
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if (!$staticv6) {
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/* If there is a gateway on this interface, we may want to take additional actions */
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if (!empty($gw6)) {
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$gw6d = false;
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$gw6ip = get_interface_gateway_v6($iface, $gw6d);
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if (empty($gw6ip)) {
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$gw6ip = get_interface_gateway_last($iface, 'inet6');
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}
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/* Force a gateway alarm since dpinger isn't in a state to do so
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* https://redmine.pfsense.org/issues/14829
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* https://redmine.pfsense.org/issues/14626
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*/
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mwexec_bg("/etc/rc.gateway_alarm " .
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escapeshellarg($gw6) . " " .
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escapeshellarg($gw6ip) . " " .
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'down 0 0 100');
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}
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}
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/* Restart unbound on interface down (dynamic),
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* only when this interface is referenced in resolver configuration.
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* https://redmine.pfsense.org/issues/11547
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* https://redmine.pfsense.org/issues/13254
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*/
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if (config_path_enabled('unbound')) {
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services_unbound_configure(true, $iface);
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}
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break;
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case "start":
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log_error("DEVD Ethernet attached event for {$iface}");
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log_error("HOTPLUG: Configuring interface {$iface}");
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/* trigger services restart
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* see https://redmine.pfsense.org/issues/11570 */
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if (!$staticv4) {
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touch("{$g['tmp_path']}/{$iface}_upstart4");
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touch("{$g['tmp_path']}/{$iface}_upstart6");
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}
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// Do not try to readd to bridge otherwise em(4) has problems
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interface_configure($iface, true, true);
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/* Make sure gw monitor is configured */
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if ($ip6addr == 'slaac' ||
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$ip6addr == 'dhcp6') {
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setup_gateways_monitor();
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}
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break;
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default:
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/* Do nothing, invalid action */
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}
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}
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}
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if (isset($_GET['interface'])) {
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if (!empty($_GET['interface'])) {
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$realiface = $_GET['interface'];
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}
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$action = $_GET['action'];
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} else {
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if ($argc < 3) {
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log_error("HOTPLUG event: The required number of parameters not passed!");
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return;
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}
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$action = $argv[1];
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$realiface = $argv[2];
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}
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$action = ltrim($action, '$');
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$realiface = ltrim($realiface, '$');
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if (!in_array($action, ['start', 'stop'])) {
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log_error("HOTPLUG event: Action parameter ($action) passed is wrong - only start/stop are allowed!");
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return;
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}
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if (platform_booting()) {
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if (!empty($realiface)) {
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$interface = convert_real_interface_to_friendly_interface_name($realiface);
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}
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if (!empty($interface) &&
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(config_get_path("interfaces/{$interface}/ipaddr", '') == 'dhcp')) {
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if (find_dhclient_process($realiface) == 0) {
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/* dhclient is not running */
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log_error("DHCP Client not running on {$interface} ($realiface), reconfiguring dhclient.");
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interface_dhcp_configure($interface);
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}
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} else {
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log_error("Ignoring link event during boot sequence.");
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}
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return;
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}
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if (!empty($realiface)) {
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if (substr($realiface, 0, 4) == 'ovpn') {
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log_error("Ignoring link event for OpenVPN interface");
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return;
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}
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$rclinkuplock = lock("rclinkup{$realiface}", LOCK_EX);
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$interface = convert_real_interface_to_friendly_interface_name($realiface);
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if (!empty($interface)) {
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handle_argument_group($interface, $action);
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}
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/* Check if there is any child on this one as ppp types and trigger them */
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foreach(config_get_path('ppps/ppp', []) as $ppp) {
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if (array_get_path($ppp, 'type') == 'ppp') {
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continue;
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}
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foreach (explode(',', array_get_path($ppp, 'ports', '')) as $parent_if) {
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/* The loop here is because ppp types can have real and assigned interfaces as members */
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$tmpiface = get_real_interface($parent_if);
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if ($tmpiface != $realiface) {
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continue;
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}
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$tmpiface = convert_real_interface_to_friendly_interface_name(array_get_path($ppp, 'if'));
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if (!empty($tmpiface)) {
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switch ($action) {
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case "stop":
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interface_bring_down($tmpiface);
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break;
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case "start":
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interface_configure($tmpiface, true, true);
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break;
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default:
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/* Do nothing, invalid action */
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}
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}
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}
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}
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filter_configure();
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unlock($rclinkuplock);
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}
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?>
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