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# modules/shorewall/manifests/init.pp - manage firewalling with shorewall 3.x
# Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at>
# See LICENSE for the full license granted to you.
#
# Based on the work of ADNET Ghislain <gadnet@aqueos.com> from AQUEOS
# at https://reductivelabs.com/trac/puppet/wiki/AqueosShorewall
#
# Changes:
# * FHS Layout: put configuration in /var/lib/puppet/modules/shorewall and
# adjust CONFIG_PATH
# * remove shorewall- prefix from defines in the shorewall namespace
# * refactor the whole define structure
# * manage all shorewall files
# * add 000-header and 999-footer files for all managed_files
# * added rule_section define and a few more parameters for rules
# * add managing for masq, proxyarp, blacklist, nat, rfc1918
modules_dir { "shorewall": }
class shorewall {
package { 'shorewall':
ensure => present,
category => $operatingsystem ? {
gentoo => 'net-firewall',
default => '',
},
}
service { shorewall:
ensure => running,
enable => true,
subscribe => [
Exec["concat_/var/lib/puppet/modules/shorewall/zones],
Exec["concat_/var/lib/puppet/modules/shorewall/interfaces],
Exec["concat_/var/lib/puppet/modules/shorewall/hosts],
Exec["concat_/var/lib/puppet/modules/shorewall/policy],
Exec["concat_/var/lib/puppet/modules/shorewall/rules],
Exec["concat_/var/lib/puppet/modules/shorewall/masq],
Exec["concat_/var/lib/puppet/modules/shorewall/proxyarp],
Exec["concat_/var/lib/puppet/modules/shorewall/nat],
Exec["concat_/var/lib/puppet/modules/shorewall/blacklist],
Exec["concat_/var/lib/puppet/modules/shorewall/rfc1918],
Exec["concat_/var/lib/puppet/modules/shorewall/routestopped]
],
}
file {
"/var/lib/puppet/modules/shorewall":
ensure => directory,
force => true,
mode => 0755, owner => root, group => 0;
}
# private
define managed_file () {
$dir = "/var/lib/puppet/modules/shorewall/${name}.d"
file {"${dir}":
ensure => directory,
force => true,
mode => 0755, owner => root, group => 0;
}
concatenated_file { "/var/lib/puppet/modules/shorewall/$name":
dir => $dir,
mode => 0600,
}
file {
"${dir}/000-header":
source => "puppet://$servername/shorewall/boilerplate/${name}.header",
mode => 0600, owner => root, group => 0,
notify => Exec["concat_${dir}"];
"${dir}/999-footer":
source => "puppet://$servername/shorewall/boilerplate/${name}.footer",
mode => 0600, owner => root, group => 0,
notify => Exec["concat_${dir}"];
}
}
# private
define entry ($line) {
$target = "/var/lib/puppet/modules/shorewall/${name}"
$dir = dirname($target)
file { $target:
content => "${line}\n",
mode => 0600, owner => root, group => 0,
notify => Exec["concat_${dir}"],
}
}
# This file has to be managed in place, so shorewall can find it
file { "/etc/shorewall/shorewall.conf":
# use OS specific defaults, but use Default if no other is found
source => [
"puppet://$servername/shorewall/shorewall.conf.$operatingsystem.$lsbdistcodename",
"puppet://$servername/shorewall/shorewall.conf.$operatingsystem",
"puppet://$servername/shorewall/shorewall.conf.Default"
],
mode => 0644, owner => root, group => 0,
notify => Service[shorewall],
}
# See http://www.shorewall.net/3.0/Documentation.htm#Zones
managed_file{ zones: }
define zone($type, $options = '-', $in = '-', $out = '-', $parent = '-', $order = 100) {
$real_name = $parent ? { '-' => $name, default => "${name}:${parent}" }
entry { "zones.d/${order}-${name}":
line => "${real_name} ${type} ${options} ${in} ${out}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Interfaces
managed_file{ interfaces: }
define interface($zone, $broadcast = 'detect', $options = 'tcpflags,blacklist,norfc1918,routefilter,nosmurfs,logmartians', $order='100') {
entry { "interfaces.d/${order}-${name}":
line => "${zone} ${name} ${broadcast} ${options}",
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Hosts
managed_file { hosts: }
define host($zone, $options = 'tcpflags,blacklist,norfc1918',$order='100') {
entry { "hosts.d/${order}-${name}":
line => "${zone} ${name} ${options}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Policy
managed_file { policy: }
define policy($sourcezone, $destinationzone, $policy, $shloglevel = '-', $limitburst = '-', $order) {
entry { "policy.d/${order}-${name}":
line => "# ${name}\n${sourcezone} ${destinationzone} ${policy} ${shloglevel} ${limitburst}",
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Rules
managed_file { rules: }
define rule_section($order) {
entry { "rules.d/${order}-${name}":
line => "SECTION ${name}",
}
}
# mark is new in 3.4.4
define rule($action, $source, $destination, $proto = '-',
$destinationport = '-', $sourceport = '-', $originaldest = '-',
$ratelimit = '-', $user = '-', $mark = '', $order)
{
entry { "rules.d/${order}-${name}":
line => "# ${name}\n${action} ${source} ${destination} ${proto} ${destinationport} ${sourceport} ${originaldest} ${ratelimit} ${user} ${mark}",
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Masq
managed_file{ masq: }
# mark is new in 3.4.4
# source (= subnet) = Set of hosts that you wish to masquerade.
# address = If you specify an address here, SNAT will be used and this will be the source address.
define masq($interface, $source, $address = '-', $proto = '-', $port = '-', $ipsec = '-', $mark = '', $order='100' ) {
entry { "masq.d/${order}-${name}":
line => "# ${name}\n${interface} ${source} ${address} ${proto} ${port} ${ipsec} ${mark}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#ProxyArp
managed_file { proxyarp: }
define proxyarp($interface, $external, $haveroute = yes, $persistent = no, $order='100') {
entry { "proxyarp.d/${order}-${name}":
line => "# ${name}\n${name} ${interface} ${external} ${haveroute} ${persistent}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#NAT
managed_file { nat: }
define nat($interface, $internal, $all = 'no', $local = 'yes',$order='100') {
entry { "nat.d/${order}-${name}":
line => "${name} ${interface} ${internal} ${all} ${local}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Blacklist
managed_file { blacklist: }
define blacklist($proto = '-', $port = '-', $order='100') {
entry { "blacklist.d/${order}-${name}":
line => "${name} ${proto} ${port}",
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#rfc1918
managed_file { rfc1918: }
define rfc1918($action = 'logdrop', $order='100') {
entry { "rfc1918.d/${order}-${name}":
line => "${name} ${action}"
}
}
# See http://www.shorewall.net/3.0/Documentation.htm#Routestopped
managed_file { routestopped: }
define routestopped($host = '-', $options = '', $order='100') {
entry { "routestopped.d/${order}-${name}":
line => "${name} ${host} ${options}",
}
}
}
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