Révision 1ef7d5c4
rules::llmnr: Allow interface filtering
REFERENCE.md | ||
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* [`ipv4`](#-nftables--rules--llmnr--ipv4) |
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* [`ipv6`](#-nftables--rules--llmnr--ipv6) |
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* [`iifname`](#-nftables--rules--llmnr--iifname) |
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##### <a name="-nftables--rules--llmnr--ipv4"></a>`ipv4` |
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Default value: `true` |
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##### <a name="-nftables--rules--llmnr--iifname"></a>`iifname` |
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Data type: `Array[String[1]]` |
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optional list of incoming interfaces to filter on |
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Default value: `[]` |
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### <a name="nftables--rules--mdns"></a>`nftables::rules::mdns` |
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allow incoming multicast DNS |
manifests/rules/llmnr.pp | ||
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# |
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# @param ipv4 Allow LLMNR over IPv4 |
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# @param ipv6 Allow LLMNR over IPv6 |
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# @param iifname optional list of incoming interfaces to filter on |
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# |
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# @author Tim Meusel <tim@bastelfreak.de> |
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# |
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# @see https://datatracker.ietf.org/doc/html/rfc4795 |
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# |
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class nftables::rules::llmnr ( |
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Boolean $ipv4 = true, |
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Boolean $ipv6 = true, |
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Array[String[1]] $iifname = [], |
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) { |
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if empty($iifname) { |
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$_iifname = '' |
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} else { |
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$iifdata = $iifname.map |String[1] $interface| { "\"${interface}\"" }.join(', ') |
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$_iifname = "iifname { ${iifdata} } " |
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} |
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if $ipv4 { |
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nftables::rule { 'default_in-llmnr_v4': |
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content => 'ip daddr 224.0.0.252 udp dport 5355 accept comment "allow LLMNR"',
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content => "${_iifname}ip daddr 224.0.0.252 udp dport 5355 accept comment \"allow LLMNR\"",
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} |
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} |
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if $ipv6 { |
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nftables::rule { 'default_in-llmnr_v6': |
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content => 'ip6 daddr ff02::1:3 udp dport 5355 accept comment "allow LLMNR"',
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content => "${_iifname}ip6 daddr ff02::1:3 udp dport 5355 accept comment \"allow LLMNR\"",
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} |
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} |
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} |
spec/classes/rules/llmnr_spec.rb | ||
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# frozen_string_literal: true |
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require 'spec_helper' |
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describe 'nftables::rules::llmnr' do |
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on_supported_os.each do |os, os_facts| |
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context "on #{os}" do |
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let :facts do |
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os_facts |
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end |
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context 'default options' do |
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it { is_expected.to compile.with_all_deps } |
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it { is_expected.to contain_nftables__rule('default_in-llmnr_v4').with_content('ip daddr 224.0.0.252 udp dport 5355 accept comment "allow LLMNR"') } |
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it { is_expected.to contain_nftables__rule('default_in-llmnr_v6').with_content('ip6 daddr ff02::1:3 udp dport 5355 accept comment "allow LLMNR"') } |
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end |
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context 'with input interfaces set' do |
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let :params do |
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{ |
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iifname: %w[docker0 eth0], |
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} |
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end |
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it { is_expected.to compile } |
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it { is_expected.to contain_nftables__rule('default_in-llmnr_v4').with_content('iifname { "docker0", "eth0" } ip daddr 224.0.0.252 udp dport 5355 accept comment "allow LLMNR"') } |
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it { is_expected.to contain_nftables__rule('default_in-llmnr_v6').with_content('iifname { "docker0", "eth0" } ip6 daddr ff02::1:3 udp dport 5355 accept comment "allow LLMNR"') } |
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end |
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end |
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end |
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end |
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