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require 'spec_helper_acceptance'
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describe 'complex ruleset 1' do
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before :all do
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iptables_flush_all_tables
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end
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after :all do
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shell('iptables -t filter -P INPUT ACCEPT')
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shell('iptables -t filter -P FORWARD ACCEPT')
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shell('iptables -t filter -P OUTPUT ACCEPT')
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shell('iptables -t filter --flush')
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end
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it 'applies cleanly' do
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pp = <<-EOS
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firewall { '090 forward allow local':
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chain => 'FORWARD',
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proto => 'all',
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source => '10.0.0.0/8',
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destination => '10.0.0.0/8',
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action => 'accept',
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}
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firewall { '100 forward standard allow tcp':
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chain => 'FORWARD',
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source => '10.0.0.0/8',
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destination => '!10.0.0.0/8',
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proto => 'tcp',
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state => 'NEW',
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port => [80,443,21,20,22,53,123,43,873,25,465],
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action => 'accept',
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}
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firewall { '100 forward standard allow udp':
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chain => 'FORWARD',
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source => '10.0.0.0/8',
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destination => '!10.0.0.0/8',
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proto => 'udp',
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port => [53,123],
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action => 'accept',
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}
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firewall { '100 forward standard allow icmp':
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chain => 'FORWARD',
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source => '10.0.0.0/8',
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destination => '!10.0.0.0/8',
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proto => 'icmp',
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action => 'accept',
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}
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firewall { '090 ignore ipsec':
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table => 'nat',
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chain => 'POSTROUTING',
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outiface => 'eth0',
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ipsec_policy => 'ipsec',
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ipsec_dir => 'out',
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action => 'accept',
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}
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firewall { '093 ignore 10.0.0.0/8':
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table => 'nat',
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chain => 'POSTROUTING',
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outiface => 'eth0',
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destination => '10.0.0.0/8',
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action => 'accept',
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}
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firewall { '093 ignore 172.16.0.0/12':
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table => 'nat',
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chain => 'POSTROUTING',
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outiface => 'eth0',
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destination => '172.16.0.0/12',
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action => 'accept',
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}
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firewall { '093 ignore 192.168.0.0/16':
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table => 'nat',
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chain => 'POSTROUTING',
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outiface => 'eth0',
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destination => '192.168.0.0/16',
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action => 'accept',
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}
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firewall { '100 masq outbound':
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table => 'nat',
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chain => 'POSTROUTING',
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outiface => 'eth0',
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jump => 'MASQUERADE',
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}
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firewall { '101 redirect port 1':
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table => 'nat',
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chain => 'PREROUTING',
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iniface => 'eth0',
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proto => 'tcp',
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dport => '1',
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toports => '22',
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jump => 'REDIRECT',
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}
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EOS
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# Run it twice and test for idempotency
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apply_manifest(pp, :catch_failures => true)
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expect(apply_manifest(pp, :catch_failures => true).exit_code).to be_zero
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end
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it 'contains appropriate rules' do
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shell('iptables -S') do |r|
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expect(r.stdout).to eq(
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"-P INPUT ACCEPT\n" +
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"-P FORWARD ACCEPT\n" +
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"-P OUTPUT ACCEPT\n" +
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"-A FORWARD -s 10.0.0.0/8 -d 10.0.0.0/8 -m comment --comment \"090 forward allow local\" -j ACCEPT \n" +
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"-A FORWARD -s 10.0.0.0/8 ! -d 10.0.0.0/8 -p icmp -m comment --comment \"100 forward standard allow icmp\" -j ACCEPT \n" +
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"-A FORWARD -s 10.0.0.0/8 ! -d 10.0.0.0/8 -p tcp -m multiport --ports 80,443,21,20,22,53,123,43,873,25,465 -m comment --comment \"100 forward standard allow tcp\" -m state --state NEW -j ACCEPT \n" +
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"-A FORWARD -s 10.0.0.0/8 ! -d 10.0.0.0/8 -p udp -m multiport --ports 53,123 -m comment --comment \"100 forward standard allow udp\" -j ACCEPT \n"
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)
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end
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end
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end
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describe 'complex ruleset 2' do
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after :all do
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shell('iptables -t filter -P INPUT ACCEPT')
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shell('iptables -t filter -P FORWARD ACCEPT')
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shell('iptables -t filter -P OUTPUT ACCEPT')
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shell('iptables -t filter --flush')
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expect(shell('iptables -t filter -X LOCAL_INPUT').stderr).to eq("")
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expect(shell('iptables -t filter -X LOCAL_INPUT_PRE').stderr).to eq("")
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end
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it 'applies cleanly' do
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pp = <<-EOS
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class { '::firewall': }
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Firewall {
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proto => 'all',
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stage => 'pre',
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}
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Firewallchain {
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stage => 'pre',
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purge => 'true',
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ignore => [
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'--comment "[^"]*(?i:ignore)[^"]*"',
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],
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}
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firewall { '010 INPUT allow established and related':
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proto => 'all',
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state => ['ESTABLISHED', 'RELATED'],
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action => 'accept',
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before => Firewallchain['INPUT:filter:IPv4'],
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}
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firewall { '012 accept loopback':
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iniface => 'lo',
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action => 'accept',
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before => Firewallchain['INPUT:filter:IPv4'],
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}
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firewall { '020 ssh':
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proto => 'tcp',
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dport => '22',
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state => 'NEW',
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action => 'accept',
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before => Firewallchain['INPUT:filter:IPv4'],
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}
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firewall { '013 icmp echo-request':
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proto => 'icmp',
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icmp => 'echo-request',
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action => 'accept',
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source => '10.0.0.0/8',
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}
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firewall { '013 icmp destination-unreachable':
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proto => 'icmp',
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icmp => 'destination-unreachable',
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action => 'accept',
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}
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firewall { '013 icmp time-exceeded':
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proto => 'icmp',
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icmp => 'time-exceeded',
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action => 'accept',
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}
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firewall { '999 reject':
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action => 'reject',
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reject => 'icmp-host-prohibited',
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}
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firewallchain { 'LOCAL_INPUT_PRE:filter:IPv4': }
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firewall { '001 LOCAL_INPUT_PRE':
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jump => 'LOCAL_INPUT_PRE',
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require => Firewallchain['LOCAL_INPUT_PRE:filter:IPv4'],
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}
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firewallchain { 'LOCAL_INPUT:filter:IPv4': }
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firewall { '900 LOCAL_INPUT':
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jump => 'LOCAL_INPUT',
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require => Firewallchain['LOCAL_INPUT:filter:IPv4'],
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}
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firewallchain { 'INPUT:filter:IPv4':
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policy => 'drop',
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ignore => [
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'-j fail2ban-ssh',
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'--comment "[^"]*(?i:ignore)[^"]*"',
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],
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}
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firewall { '010 allow established and related':
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chain => 'FORWARD',
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proto => 'all',
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state => ['ESTABLISHED','RELATED'],
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action => 'accept',
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before => Firewallchain['FORWARD:filter:IPv4'],
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}
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firewallchain { 'FORWARD:filter:IPv4':
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policy => 'drop',
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}
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firewallchain { 'OUTPUT:filter:IPv4': }
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# purge unknown rules from mangle table
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firewallchain { ['PREROUTING:mangle:IPv4', 'INPUT:mangle:IPv4', 'FORWARD:mangle:IPv4', 'OUTPUT:mangle:IPv4', 'POSTROUTING:mangle:IPv4']: }
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# and the nat table
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firewallchain { ['PREROUTING:nat:IPv4', 'INPUT:nat:IPv4', 'OUTPUT:nat:IPv4', 'POSTROUTING:nat:IPv4']: }
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EOS
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# Run it twice and test for idempotency
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apply_manifest(pp, :catch_failures => true)
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apply_manifest(pp, :catch_changes => true)
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end
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it 'contains appropriate rules' do
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shell('iptables -S') do |r|
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expect(r.stdout).to eq(
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"-P INPUT DROP\n" +
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"-P FORWARD DROP\n" +
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"-P OUTPUT ACCEPT\n" +
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"-N LOCAL_INPUT\n" +
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"-N LOCAL_INPUT_PRE\n" +
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"-A INPUT -m comment --comment \"001 LOCAL_INPUT_PRE\" -j LOCAL_INPUT_PRE \n" +
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"-A INPUT -m comment --comment \"010 INPUT allow established and related\" -m state --state RELATED,ESTABLISHED -j ACCEPT \n" +
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"-A INPUT -i lo -m comment --comment \"012 accept loopback\" -j ACCEPT \n" +
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"-A INPUT -p icmp -m comment --comment \"013 icmp destination-unreachable\" -m icmp --icmp-type 3 -j ACCEPT \n" +
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"-A INPUT -s 10.0.0.0/8 -p icmp -m comment --comment \"013 icmp echo-request\" -m icmp --icmp-type 8 -j ACCEPT \n" +
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"-A INPUT -p icmp -m comment --comment \"013 icmp time-exceeded\" -m icmp --icmp-type 11 -j ACCEPT \n" +
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"-A INPUT -p tcp -m multiport --dports 22 -m comment --comment \"020 ssh\" -m state --state NEW -j ACCEPT \n" +
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"-A INPUT -m comment --comment \"900 LOCAL_INPUT\" -j LOCAL_INPUT \n" +
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"-A INPUT -m comment --comment \"999 reject\" -j REJECT --reject-with icmp-host-prohibited \n" +
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"-A FORWARD -m comment --comment \"010 allow established and related\" -m state --state RELATED,ESTABLISHED -j ACCEPT \n"
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)
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end
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end
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end
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