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Add CARP hook for mDNS repeater. (#2762)
Only run the repeater on one node. Fixes #2595.
This commit is contained in:
Markus Reiter
GitHub
parent
6a7babcf20
commit
9ff548829c
4 changed files with 100 additions and 13 deletions
74
net/mdns-repeater/src/etc/rc.syshook.d/carp/50-mdns
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74
net/mdns-repeater/src/etc/rc.syshook.d/carp/50-mdns
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@ -0,0 +1,74 @@
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#!/usr/local/bin/php
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<?php
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/*
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Copyright (C) 2022 Markus Reiter <me@reitermark.us>
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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("config.inc");
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require_once("util.inc");
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require_once('interfaces.inc');
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require_once("plugins.inc.d/mdnsrepeater.inc");
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$mdns_repeater = new \OPNsense\MDNSRepeater\MDNSRepeater();
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$mdns_repeater_carp_enabled =
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(string)$mdns_repeater->enabled == '1' &&
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(string)$mdns_repeater->enablecarp == '1';
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if ($mdns_repeater_carp_enabled) {
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$subsystem = !empty($argv[1]) ? $argv[1] : '';
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$type = !empty($argv[2]) ? $argv[2] : '';
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if ($type != 'MASTER' && $type != 'BACKUP') {
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log_error("Carp '$type' event unknown from source '{$subsystem}'");
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exit(1);
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}
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if (!strstr($subsystem, '@')) {
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log_error("Carp '$type' event triggered from wrong source '{$subsystem}'");
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exit(1);
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}
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list ($vhid, $iface) = explode('@', $subsystem);
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$friendly_interface = convert_real_interface_to_friendly_interface_name($iface);
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$mdns_repeater_interfaces = explode(',', $mdns_repeater->interfaces);
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if (!in_array($friendly_interface, $mdns_repeater_interfaces)) {
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exit(0);
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}
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$backend = new \OPNsense\Core\Backend();
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switch ($type) {
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case 'MASTER':
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touch('/var/run/mdns-repeater.CARP_MASTER');
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$backend->configdRun('mdnsrepeater start');
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break;
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case 'BACKUP':
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@unlink('/var/run/mdns-repeater.CARP_MASTER');
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$backend->configdRun('mdnsrepeater stop');
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break;
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}
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}
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@ -1,14 +1,20 @@
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<form>
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<field>
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<id>mdnsrepeater.enabled</id>
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<label>Enabled</label>
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<type>checkbox</type>
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<help>Enable the repeater.</help>
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</field>
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<field>
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<id>mdnsrepeater.interfaces</id>
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<label>Listen Interfaces</label>
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<type>select_multiple</type>
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<help>At least two interfaces must be selected.</help>
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</field>
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<field>
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<id>mdnsrepeater.enabled</id>
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<label>Enable</label>
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<type>checkbox</type>
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<help>Enable the repeater.</help>
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</field>
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<field>
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<id>mdnsrepeater.enablecarp</id>
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<label>Enable CARP Failover</label>
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<type>checkbox</type>
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<help>This will activate the repeater service only on the master device.</help>
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</field>
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<field>
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<id>mdnsrepeater.interfaces</id>
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<label>Listen Interfaces</label>
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<type>select_multiple</type>
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<help>At least two interfaces must be selected.</help>
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</field>
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</form>
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@ -1,12 +1,16 @@
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<model>
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<mount>//OPNsense/MDNSRepeater</mount>
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<version>1.0.0</version>
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<version>1.0.1</version>
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<description>mdns-repeater settings</description>
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<items>
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<enabled type="BooleanField">
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<default>0</default>
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<Required>Y</Required>
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</enabled>
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<enablecarp type="BooleanField">
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<default>0</default>
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<Required>Y</Required>
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</enablecarp>
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<interfaces type="InterfaceField">
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<default>lan</default>
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<Required>Y</Required>
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@ -1,6 +1,9 @@
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{% if helpers.exists('OPNsense.MDNSRepeater.enabled') and OPNsense.MDNSRepeater.enabled == '1' %}
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{% from 'OPNsense/Macros/interface.macro' import physical_interface %}
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mdns_repeater_enable="YES"
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{% if helpers.exists('OPNsense.MDNSRepeater.enablecarp') and OPNsense.MDNSRepeater.enablecarp == '1' %}
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required_files="/var/run/mdns-repeater.CARP_MASTER"
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{% endif %}
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{% set osifnames = OPNsense.MDNSRepeater.interfaces.split(',') %}
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{% set interface_list=[] %}
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{% for i in osifnames %}
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