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| -rw-r--r-- | LICENSE | 674 | ||||
| -rw-r--r-- | README.md (renamed from README) | 192 | ||||
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| -rw-r--r-- | templates/debian_default.erb | 2 |
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@@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. We, the Free Software Foundation, use the +GNU General Public License for most of our software; it applies also to +any other work released this way by its authors. You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. 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If not, see <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<http://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<http://www.gnu.org/philosophy/why-not-lgpl.html>. @@ -1,5 +1,3 @@ -modules/shorewall/manifests/init.pp - manage firewalling with shorewall - Puppet Module for Shorewall --------------------------- This module manages the configuration of Shorewall (http://www.shorewall.net/) @@ -16,7 +14,9 @@ Copyright Copyright (C) 2007 David Schmitt <david@schmitt.edv-bus.at> adapted by immerda project group - admin+puppet(at)immerda.ch adapted by Puzzle ITC - haerry+puppet(at)puzzle.ch + Copyright (c) 2009 Riseup Networks - micah(shift+2)riseup.net + Copyright (c) 2010 intrigeri - intrigeri(at)boum.org See LICENSE for the full license granted to you. @@ -26,6 +26,8 @@ at https://reductivelabs.com/trac/puppet/wiki/AqueosShorewall Merged from: - git://git.puppet.immerda.ch/module-shorewall.git - git://labs.riseup.net/module_shorewall +- https://gitlab.com/shared-puppet-modules-group/shorewall.git + Todo ---- @@ -46,21 +48,21 @@ that your operatingsystem provides is used, and any modifications you wish to do to it should be configured with augeas, for example, to set IP_FORWARDING=Yes in shorewall.conf, simply do this: - augeas { 'enable_ip_forwarding': - changes => 'set /files/etc/shorewall/shorewall.conf/IP_FORWARDING Yes', - lens => 'Shellvars.lns', - incl => '/etc/shorewall/shorewall.conf', - notify => Service[shorewall]; - } + augeas { 'enable_ip_forwarding': + changes => 'set /files/etc/shorewall/shorewall.conf/IP_FORWARDING Yes', + lens => 'Shellvars.lns', + incl => '/etc/shorewall/shorewall.conf', + notify => Service[shorewall]; + } -NOTE: this requires the augeas ruby bindings newer than 0.7.3. +NOTE: this requires the augeas ruby bindings newer than 0.7.3. If you need to, you can provide an entire shorewall.conf by passing its source to the main class: -class{'shorewall': - conf_source => "puppet:///modules/site_shorewall/${::fqdn}/shorewall.conf.${::operatingsystem}", -} + class{'shorewall': + conf_source => "puppet:///modules/site_shorewall/${::fqdn}/shorewall.conf.${::operatingsystem}", + } NOTE: if you distribute a file, you cannot also use augeas, puppet and augeas will fight forever. Secondly, you will *need* to make sure that if you are shipping your own @@ -98,18 +100,18 @@ Example usage follows. Torify any outgoing TCP traffic originating from user bob or alice and aimed at 6.6.6.6 or 7.7.7.7: - shorewall::rules::torify { - 'torify-some-bits': - users => [ 'bob', 'alice' ], - destinations => [ '6.6.6.6', '7.7.7.7' ]; - } + shorewall::rules::torify { + 'torify-some-bits': + users => [ 'bob', 'alice' ], + destinations => [ '6.6.6.6', '7.7.7.7' ]; + } Torify any outgoing TCP traffic to 8.8.8.8: - shorewall::rules::torify { - 'torify-to-this-host': - destinations => [ '8.8.8.8' ]; - } + shorewall::rules::torify { + 'torify-to-this-host': + destinations => [ '8.8.8.8' ]; + } When no destination nor user is provided any outgoing TCP traffic (see restrictions bellow) is torified. In that case the user running the @@ -124,16 +126,16 @@ be changed by setting the allow_rfc1918 parameter to false. Torify any outgoing TCP traffic but connections to RFC1918 addresses: - shorewall::rules::torify { - 'torify-everything-but-lan': - } + shorewall::rules::torify { + 'torify-everything-but-lan': + } Torify any outgoing TCP traffic: - shorewall::rules::torify { - 'torify-everything: - allow_rfc1918 => false; - } + shorewall::rules::torify { + 'torify-everything: + allow_rfc1918 => false; + } In some cases (e.g. when providing no specific destination nor user and denying access to RFC1918 addresses) UDP DNS requests may be @@ -148,72 +150,72 @@ Example Example from node.pp: -node xy { - class{'config::site_shorewall': - startup => "0" # create shorewall ruleset but don't startup - } - shorewall::rule { - 'incoming-ssh': source => 'all', destination => '$FW', action => 'SSH(ACCEPT)', order => 200; - 'incoming-puppetmaster': source => 'all', destination => '$FW', action => 'Puppetmaster(ACCEPT)', order => 300; - 'incoming-imap': source => 'all', destination => '$FW', action => 'IMAP(ACCEPT)', order => 300; - 'incoming-smtp': source => 'all', destination => '$FW', action => 'SMTP(ACCEPT)', order => 300; - } -} - - -class config::site_shorewall($startup = '1') { - class{'shorewall': - startup => $startup - } - - # If you want logging: - #shorewall::params { - # 'LOG': value => 'debug'; - #} - - shorewall::zone {'net': - type => 'ipv4'; - } - - shorewall::rule_section { 'NEW': - order => 100; - } - - shorewall::interface { 'eth0': - zone => 'net', - rfc1918 => true, - options => 'tcpflags,blacklist,nosmurfs'; - } - - shorewall::policy { - 'fw-to-fw': - sourcezone => '$FW', - destinationzone => '$FW', - policy => 'ACCEPT', - order => 100; - 'fw-to-net': - sourcezone => '$FW', - destinationzone => 'net', - policy => 'ACCEPT', - shloglevel => '$LOG', - order => 110; - 'net-to-fw': - sourcezone => 'net', - destinationzone => '$FW', - policy => 'DROP', - shloglevel => '$LOG', - order => 120; - } - - - # default Rules : ICMP - shorewall::rule { - 'allicmp-to-host': - source => 'all', - destination => '$FW', - order => 200, - action => 'AllowICMPs/(ACCEPT)'; - } -} + node xy { + class{'config::site_shorewall': + startup => "0" # create shorewall ruleset but don't startup + } + shorewall::rule { + 'incoming-ssh': source => 'all', destination => '$FW', action => 'SSH(ACCEPT)', order => 200; + 'incoming-puppetmaster': source => 'all', destination => '$FW', action => 'Puppetmaster(ACCEPT)', order => 300; + 'incoming-imap': source => 'all', destination => '$FW', action => 'IMAP(ACCEPT)', order => 300; + 'incoming-smtp': source => 'all', destination => '$FW', action => 'SMTP(ACCEPT)', order => 300; + } + } + + + class config::site_shorewall($startup = '1') { + class{'shorewall': + startup => $startup + } + + # If you want logging: + #shorewall::params { + # 'LOG': value => 'debug'; + #} + + shorewall::zone {'net': + type => 'ipv4'; + } + + shorewall::rule_section { 'NEW': + order => 100; + } + + shorewall::interface { 'eth0': + zone => 'net', + rfc1918 => true, + options => 'tcpflags,blacklist,nosmurfs'; + } + + shorewall::policy { + 'fw-to-fw': + sourcezone => '$FW', + destinationzone => '$FW', + policy => 'ACCEPT', + order => 100; + 'fw-to-net': + sourcezone => '$FW', + destinationzone => 'net', + policy => 'ACCEPT', + shloglevel => '$LOG', + order => 110; + 'net-to-fw': + sourcezone => 'net', + destinationzone => '$FW', + policy => 'DROP', + shloglevel => '$LOG', + order => 120; + } + + + # default Rules : ICMP + shorewall::rule { + 'allicmp-to-host': + source => 'all', + destination => '$FW', + order => 200, + action => 'AllowICMPs/(ACCEPT)'; + } + } diff --git a/files/boilerplate/mangle.footer b/files/boilerplate/mangle.footer new file mode 100644 index 0000000..6bebc05 --- /dev/null +++ b/files/boilerplate/mangle.footer @@ -0,0 +1 @@ +#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE diff --git a/files/boilerplate/mangle.header b/files/boilerplate/mangle.header new file mode 100644 index 0000000..7a7b12a --- /dev/null +++ b/files/boilerplate/mangle.header @@ -0,0 +1,7 @@ +# +# Shorewall - Mangle File +# +# For additional information, see http://shorewall.net/manpages/shorewall-mangle.html +# +####################################################################################### +#ACTION SOURCE DESTINATION PROTO DSTPORT SRCPORT USER TEST LENGTH TOS CONNBYTES HELPER HEADERS diff --git a/manifests/base.pp b/manifests/base.pp index 12b8c34..22ef555 100644 --- a/manifests/base.pp +++ b/manifests/base.pp @@ -8,14 +8,14 @@ class shorewall::base { # This file has to be managed in place, so shorewall can find it file { '/etc/shorewall/shorewall.conf': - require => Package[shorewall], - notify => Service[shorewall], + require => Package['shorewall'], + notify => Exec['shorewall_check'], owner => 'root', group => 'root', mode => '0644'; '/etc/shorewall/puppet': ensure => directory, - require => Package[shorewall], + require => Package['shorewall'], owner => 'root', group => 'root', mode => '0644'; @@ -27,20 +27,58 @@ class shorewall::base { } } else { - augeas { 'shorewall_module_config_path': - changes => 'set /files/etc/shorewall/shorewall.conf/CONFIG_PATH \'"/etc/shorewall/puppet:/etc/shorewall:/usr/share/shorewall"\'', - lens => 'Shellvars.lns', - incl => '/etc/shorewall/shorewall.conf', - notify => Service['shorewall'], - require => Package['shorewall']; + if str2bool($shorewall::startup) { + $startup_str = 'Yes' + } else { + $startup_str = 'No' + } + shorewall::config_setting{ + 'CONFIG_PATH': + value => "\"\${CONFDIR}/shorewall/puppet:\${CONFDIR}/shorewall:\${SHAREDIR}/shorewall\""; + 'STARTUP_ENABLED': + value => $startup_str; + } + $cfs = keys($shorewall::settings) + shorewall::config_settings{ + $cfs: + settings => $shorewall::settings; } } + exec{'shorewall_check': + command => 'shorewall check', + refreshonly => true, + notify => Service['shorewall'], + } service{'shorewall': - ensure => running, - enable => true, - hasstatus => true, - hasrestart => true, - require => Package['shorewall'], + ensure => running, + enable => true, + hasstatus => true, + hasrestart => true, + require => Package['shorewall'], + } + + file{'/etc/cron.daily/shorewall_check':} + if $shorewall::daily_check { + File['/etc/cron.daily/shorewall_check']{ + content => '#!/bin/bash + +output=$(shorewall check 2>&1) +if [ $? -gt 0 ]; then + echo "Error while checking firewall!" + echo $output + exit 1 +fi +exit 0 +', + owner => root, + group => 0, + mode => '0700', + require => Service['shorewall'], + } + } else { + File['/etc/cron.daily/shorewall_check']{ + ensure => absent, + } } } diff --git a/manifests/centos.pp b/manifests/centos.pp index c210506..ff8c6ad 100644 --- a/manifests/centos.pp +++ b/manifests/centos.pp @@ -1,13 +1,13 @@ # things needed on centos class shorewall::centos inherits shorewall::base { - if $::operatingsystemmajrelease > 5 { + if $::operatingsystemmajrelease == '6' { augeas{'enable_shorewall': context => '/files/etc/sysconfig/shorewall', changes => 'set startup 1', lens => 'Shellvars.lns', incl => '/etc/sysconfig/shorewall', require => Package['shorewall'], - notify => Service['shorewall'], + notify => Exec['shorewall_check'], } } } diff --git a/manifests/config_setting.pp b/manifests/config_setting.pp new file mode 100644 index 0000000..5eecf42 --- /dev/null +++ b/manifests/config_setting.pp @@ -0,0 +1,18 @@ +# set a particular config option +# +# e.g. +# shorewall::config_setting{ +# 'CONFIG_PATH': +# value => '"/etc/shorewall/puppet:/etc/shorewall:/usr/share/shorewall"' +# } +define shorewall::config_setting( + $value, +){ + augeas { "shorewall_module_${name}": + changes => "set /files/etc/shorewall/shorewall.conf/${name} ${value}", + lens => 'Shellvars.lns', + incl => '/etc/shorewall/shorewall.conf', + notify => Exec['shorewall_check'], + require => Package['shorewall']; + } +} diff --git a/manifests/config_settings.pp b/manifests/config_settings.pp new file mode 100644 index 0000000..69eb380 --- /dev/null +++ b/manifests/config_settings.pp @@ -0,0 +1,10 @@ +# a nice wrapper to make hiera config +# a bit easier +define shorewall::config_settings( + $settings, +){ + shorewall::config_setting{ + $name: + value => $settings[$name], + } +} diff --git a/manifests/debian.pp b/manifests/debian.pp index 01d108f..07176a3 100644 --- a/manifests/debian.pp +++ b/manifests/debian.pp @@ -1,11 +1,11 @@ +# debian specific things class shorewall::debian inherits shorewall::base { file{'/etc/default/shorewall': - content => template("shorewall/debian_default.erb"), + content => template('shorewall/debian_default.erb'), require => Package['shorewall'], - notify => Service['shorewall'], - owner => 'root', group => 'root', mode => '0644'; - } - Service['shorewall']{ - status => '/sbin/shorewall status' + notify => Exec['shorewall_check'], + owner => 'root', + group => 'root', + mode => '0644'; } } diff --git a/manifests/extension_script.pp b/manifests/extension_script.pp index 569fcbf..80b83d3 100644 --- a/manifests/extension_script.pp +++ b/manifests/extension_script.pp @@ -1,14 +1,16 @@ # See http://shorewall.net/shorewall_extension_scripts.htm -define shorewall::extension_script($script = '') { - case $name { - 'init', 'initdone', 'start', 'started', 'stop', 'stopped', 'clear', 'refresh', 'continue', 'maclog': { - file { "/etc/shorewall/puppet/${name}": - content => "${script}\n", - notify => Service[shorewall]; - } - } - '', default: { - err("${name}: unknown shorewall extension script") - } +define shorewall::extension_script( + $script +) { + case $name { + 'init', 'initdone', 'start', 'started', 'stop', 'stopped', 'clear', 'refresh', 'continue', 'maclog': { + file { "/etc/shorewall/puppet/${name}": + content => "${script}\n", + notify => Exec['shorewall_check']; + } } + default: { + err("${name}: unknown shorewall extension script") + } + } } diff --git a/manifests/init.pp b/manifests/init.pp index 5966bed..afdc7d7 100644 --- a/manifests/init.pp +++ b/manifests/init.pp @@ -1,7 +1,11 @@ # Manage shorewall on your system class shorewall( - $startup = '1', + $startup = true, $conf_source = false, + $settings = { + 'LOG_MARTIANS' => 'No', + 'DISABLE_IPV6' => 'Yes', + }, $ensure_version = 'present', $tor_transparent_proxy_host = '127.0.0.1', $tor_transparent_proxy_port = '9040', @@ -45,15 +49,16 @@ class shorewall( $tunnels_defaults = {}, $rtrules = {}, $rtrules_defaults = {}, + $daily_check = true, ) { case $::operatingsystem { - gentoo: { include shorewall::gentoo } - debian,ubuntu: { include shorewall::debian } - centos: { include shorewall::centos } + 'Gentoo': { include ::shorewall::gentoo } + 'Debian','Ubuntu': { include ::shorewall::debian } + 'CentOS': { include ::shorewall::centos } default: { notice "unknown operatingsystem: ${::operatingsystem}" - include shorewall::base + include ::shorewall::base } } @@ -95,6 +100,8 @@ class shorewall( 'tunnels', # See http://www.shorewall.net/MultiISP.html 'rtrules', + # See http://www.shorewall.net/manpages/shorewall-mangle.html + 'mangle', ]:; } diff --git a/manifests/managed_file.pp b/manifests/managed_file.pp index 7061721..b353814 100644 --- a/manifests/managed_file.pp +++ b/manifests/managed_file.pp @@ -1,17 +1,20 @@ -define shorewall::managed_file () { +# manage a certain file +define shorewall::managed_file() { concat{ "/etc/shorewall/puppet/${name}": - notify => Service['shorewall'], + notify => Exec['shorewall_check'], require => File['/etc/shorewall/puppet'], - owner => 'root', group => 'root', mode => '0600'; + owner => 'root', + group => 'root', + mode => '0600'; } concat::fragment { "${name}-header": source => "puppet:///modules/shorewall/boilerplate/${name}.header", target => "/etc/shorewall/puppet/${name}", - order => '000'; + order => '000'; "${name}-footer": source => "puppet:///modules/shorewall/boilerplate/${name}.footer", target => "/etc/shorewall/puppet/${name}", - order => '999'; + order => '999'; } } diff --git a/manifests/mangle.pp b/manifests/mangle.pp new file mode 100644 index 0000000..cd404e7 --- /dev/null +++ b/manifests/mangle.pp @@ -0,0 +1,20 @@ +define shorewall::mangle( + $source, + $destination, + $action = $name, + $proto = '-', + $destinationport = '-', + $sourceport = '-', + $user = '-', + $test = '-', + $length = '-', + $tos = '-', + $connbytes = '-', + $helper = '-', + $headers = '-', + $order = '100' +){ + shorewall::entry{"mangle-${order}-${name}": + line => "${action} ${source} ${destination} ${proto} ${destinationport} ${sourceport} ${user} ${test} ${length} ${tos} ${connbytes} ${helper} ${headers}" + } +} diff --git a/manifests/rule_section.pp b/manifests/rule_section.pp index 3f2ecc5..08e5708 100644 --- a/manifests/rule_section.pp +++ b/manifests/rule_section.pp @@ -1,11 +1,12 @@ +# a rule section marker define shorewall::rule_section( - $order + $order ){ $rule_section_prefix = $shorewall_major_version ? { '5' => '?' } - shorewall::entry{"rules-${order}-${name}": - line => "${rule_section_prefix}SECTION ${name}", - } + shorewall::entry{"rules-${order}-${name}": + line => "${rule_section_prefix}SECTION ${name}", + } } diff --git a/manifests/rules/libvirt/host.pp b/manifests/rules/libvirt/host.pp index dfb753c..dc3970d 100644 --- a/manifests/rules/libvirt/host.pp +++ b/manifests/rules/libvirt/host.pp @@ -2,6 +2,8 @@ class shorewall::rules::libvirt::host ( $vmz = 'vmz', $masq_iface = 'eth0', $debproxy_port = 8000, + $accept_dhcp = true, + $vmz_iface = 'virbr0', ) { define shorewall::rule::accept::from_vmz ( @@ -49,6 +51,16 @@ class shorewall::rules::libvirt::host ( action => 'ACCEPT'; } + if $accept_dhcp { + shorewall::mangle { "CHECKSUM:T_${vmz_iface}": + action => 'CHECKSUM:T', + source => '-', + destination => $vmz_iface, + proto => 'udp', + destinationport => '68'; + } + } + if $debproxy_port { shorewall::rule::accept::from_vmz { 'accept_debproxy_from_vmz': proto => 'tcp', diff --git a/manifests/rules/munin.pp b/manifests/rules/munin.pp index 0c86abe..a20a4e0 100644 --- a/manifests/rules/munin.pp +++ b/manifests/rules/munin.pp @@ -1,10 +1,10 @@ class shorewall::rules::munin( $munin_port = '4949', - $munin_collector = '127.0.0.1', + $munin_collector = ['127.0.0.1'], $collector_source = 'net' ){ shorewall::params { 'MUNINPORT': value => $munin_port } - shorewall::params { 'MUNINCOLLECTOR': value => join($munin_collector,',') } + shorewall::params { 'MUNINCOLLECTOR': value => join(any2array($munin_collector),',') } shorewall::rule{'net-me-munin-tcp': source => "${collector_source}:\$MUNINCOLLECTOR", destination => '$FW', diff --git a/manifests/rules/out/razor.pp b/manifests/rules/out/razor.pp new file mode 100644 index 0000000..1f8397c --- /dev/null +++ b/manifests/rules/out/razor.pp @@ -0,0 +1,12 @@ +# razor calls out on 2703 +# https://wiki.apache.org/spamassassin/NetTestFirewallIssues +class shorewall::rules::out::razor { + shorewall::rule { 'me-net-tcp_razor': + source => '$FW', + destination => 'net', + proto => 'tcp', + destinationport => '2703', + order => 240, + action => 'ACCEPT'; + } +} diff --git a/manifests/rules/out/tor.pp b/manifests/rules/out/tor.pp new file mode 100644 index 0000000..b4128d0 --- /dev/null +++ b/manifests/rules/out/tor.pp @@ -0,0 +1,11 @@ +# open outgoing port to connect to the network +class shorewall::rules::out::tor { + shorewall::rule{'me-net-tor-tcp': + source => '$FW', + destination => 'net', + proto => 'tcp', + destinationport => '9001', + order => 240, + action => 'ACCEPT'; + } +} diff --git a/templates/debian_default.erb b/templates/debian_default.erb index ec64cbe..8a9e328 100644 --- a/templates/debian_default.erb +++ b/templates/debian_default.erb @@ -3,7 +3,7 @@ # This file is brought to you by puppet -startup=<%= scope.lookupvar('shorewall::startup') == "0" ? '0' : '1' %> +startup=<%= ['0',false].include?(scope['shorewall::startup']) ? '0' : '1' %> # if your Shorewall configuration requires detection of the ip address of a ppp # interface, you must list such interfaces in "wait_interface" to get Shorewall to |