diff options
Diffstat (limited to 'puppet/modules/site_postfix')
7 files changed, 155 insertions, 21 deletions
diff --git a/puppet/modules/site_postfix/manifests/mx.pp b/puppet/modules/site_postfix/manifests/mx.pp index 49692d24..71d61621 100644 --- a/puppet/modules/site_postfix/manifests/mx.pp +++ b/puppet/modules/site_postfix/manifests/mx.pp @@ -7,7 +7,8 @@ class site_postfix::mx { $domain = $domain_hash['full_suffix'] $host_domain = $domain_hash['full'] $cert_name = hiera('name') - $mynetworks = join(hiera('mynetworks'), ' ') + $mynetworks = join(hiera('mynetworks', ''), ' ') + $rbls = suffix(prefix(hiera('rbls', []), 'reject_rbl_client '), ',') $root_mail_recipient = hiera('contacts') $postfix_smtp_listen = 'all' @@ -20,16 +21,20 @@ class site_postfix::mx { postfix::config { 'mynetworks': value => "127.0.0.0/8 [::1]/128 [fe80::]/64 ${mynetworks}"; + # Note: mydestination should not include @domain, because this is + # used in virtual alias maps. 'mydestination': - value => "\$myorigin, localhost, localhost.\$mydomain, ${domain}"; + value => "\$myorigin, localhost, localhost.\$mydomain"; 'myhostname': value => $host_domain; 'mailbox_size_limit': value => '0'; 'home_mailbox': value => 'Maildir/'; + # Note: virtual-aliases map will take precedence over leap_mx + # lookup (tcp:localhost) 'virtual_alias_maps': - value => 'tcp:localhost:4242'; + value => 'hash:/etc/postfix/virtual-aliases tcp:localhost:4242'; 'luser_relay': value => 'vmail'; 'smtpd_tls_received_header': @@ -44,13 +49,20 @@ class site_postfix::mx { # alias map 'local_recipient_maps': value => '$alias_maps'; + 'smtpd_milters': + value => 'unix:/run/clamav/milter.ctl,unix:/var/run/opendkim/opendkim.sock'; + 'milter_default_action': + value => 'accept'; } include site_postfix::mx::smtpd_checks include site_postfix::mx::checks include site_postfix::mx::smtp_tls include site_postfix::mx::smtpd_tls - include site_postfix::mx::reserved_aliases + include site_postfix::mx::static_aliases + include site_postfix::mx::rewrite_openpgp_header + include clamav + include postfwd # greater verbosity for debugging, take out for production #include site_postfix::debug @@ -72,7 +84,11 @@ class site_postfix::mx { -o smtpd_tls_wrappermode=yes -o smtpd_tls_security_level=encrypt -o smtpd_recipient_restrictions=\$smtps_recipient_restrictions - -o smtpd_helo_restrictions=\$smtps_helo_restrictions", + -o smtpd_helo_restrictions=\$smtps_helo_restrictions + -o smtpd_client_restrictions= + -o cleanup_service_name=clean_smtps +clean_smtps unix n - n - 0 cleanup + -o header_checks=pcre:/etc/postfix/checks/rewrite_openpgp_headers", require => [ Class['Site_config::X509::Key'], Class['Site_config::X509::Cert'], diff --git a/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp b/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp deleted file mode 100644 index 83e27376..00000000 --- a/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp +++ /dev/null @@ -1,15 +0,0 @@ -# Defines which mail addresses shouldn't be available and where they should fwd -class site_postfix::mx::reserved_aliases { - - postfix::mailalias { - [ 'abuse', 'admin', 'arin-admin', 'administrator', 'bin', 'cron', - 'certmaster', 'domainadmin', 'games', 'ftp', 'hostmaster', 'lp', - 'maildrop', 'mysql', 'news', 'nobody', 'noc', 'postmaster', 'postgresql', - 'security', 'ssladmin', 'sys', 'usenet', 'uucp', 'webmaster', 'www', - 'www-data', - ]: - ensure => present, - recipient => 'root' - } - -} diff --git a/puppet/modules/site_postfix/manifests/mx/rewrite_openpgp_header.pp b/puppet/modules/site_postfix/manifests/mx/rewrite_openpgp_header.pp new file mode 100644 index 00000000..71f945b8 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/rewrite_openpgp_header.pp @@ -0,0 +1,11 @@ +class site_postfix::mx::rewrite_openpgp_header { + $mx = hiera('mx') + $correct_domain = $mx['key_lookup_domain'] + + file { '/etc/postfix/checks/rewrite_openpgp_headers': + content => template('site_postfix/checks/rewrite_openpgp_headers.erb'), + mode => '0644', + owner => root, + group => root; + } +} diff --git a/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp index 0ec40277..1c3e5c92 100644 --- a/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp +++ b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp @@ -6,7 +6,7 @@ class site_postfix::mx::smtpd_checks { 'checks_dir': value => '$config_directory/checks'; 'smtpd_client_restrictions': - value => 'permit_mynetworks,permit'; + value => "${site_postfix::mx::rbls}permit_mynetworks,permit"; 'smtpd_data_restrictions': value => 'permit_mynetworks, reject_unauth_pipelining, permit'; 'smtpd_delay_reject': diff --git a/puppet/modules/site_postfix/manifests/mx/static_aliases.pp b/puppet/modules/site_postfix/manifests/mx/static_aliases.pp new file mode 100644 index 00000000..71c0555a --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/static_aliases.pp @@ -0,0 +1,88 @@ +# +# Defines static, hard coded aliases that are not in the database. +# These aliases take precedence over the database aliases. +# +# There are three classes of reserved names: +# +# (1) forbidden_usernames: +# Some usernames are forbidden and cannot be registered. +# this is defined in node property webapp.forbidden_usernames +# This is enforced by the webapp. +# +# (2) public aliases: +# Some aliases for root, and are publicly exposed so that anyone +# can deliver mail to them. For example, postmaster. +# These are implemented in the virtual alias map, which takes +# precedence over the local alias map. +# +# (3) local aliases: +# Some aliases are only available locally: mail can be delivered +# to the alias if the mail originates from the local host, or is +# hostname qualified, but otherwise it will be rejected. +# These are implemented in the local alias map. +# +# The alias for local 'root' is defined elsewhere. In this file, we +# define the virtual 'root@domain' (which can be overwritten by +# defining an entry for root in node property mx.aliases). +# + +class site_postfix::mx::static_aliases { + + $mx = hiera('mx') + $root_recipients = hiera('contacts') + + # + # LOCAL ALIASES + # + + # NOTE: if you remove one of these, they will still appear in the + # /etc/aliases file + $local_aliases = [ + 'admin', 'administrator', 'bin', 'cron', 'games', 'ftp', 'lp', 'maildrop', + 'mysql', 'news', 'nobody', 'noc', 'postgresql', 'ssladmin', 'sys', + 'usenet', 'uucp', 'www', 'www-data' + ] + + postfix::mailalias { + $local_aliases: + ensure => present, + recipient => 'root' + } + + # + # PUBLIC ALIASES + # + + $public_aliases = $mx['aliases'] + + $default_public_aliases = { + 'root' => $root_recipients, + 'abuse' => 'postmaster', + 'arin-admin' => 'root', + 'certmaster' => 'hostmaster', + 'domainadmin' => 'hostmaster', + 'hostmaster' => 'root', + 'mailer-daemon' => 'postmaster', + 'postmaster' => 'root', + 'security' => 'root', + 'webmaster' => 'hostmaster', + } + + $aliases = merge($default_public_aliases, $public_aliases) + + exec { 'postmap_virtual_aliases': + command => '/usr/sbin/postmap /etc/postfix/virtual-aliases', + refreshonly => true, + user => root, + group => root, + require => Package['postfix'], + subscribe => File['/etc/postfix/virtual-aliases'] + } + file { '/etc/postfix/virtual-aliases': + content => template('site_postfix/virtual-aliases.erb'), + owner => root, + group => root, + mode => '0600', + require => Package['postfix'] + } +} diff --git a/puppet/modules/site_postfix/templates/checks/rewrite_openpgp_headers.erb b/puppet/modules/site_postfix/templates/checks/rewrite_openpgp_headers.erb new file mode 100644 index 00000000..7af14f7d --- /dev/null +++ b/puppet/modules/site_postfix/templates/checks/rewrite_openpgp_headers.erb @@ -0,0 +1,13 @@ +# THIS FILE IS MANAGED BY PUPPET +# +# This will replace the OpenPGP header that the client adds, because it is +# sometimes incorrect (due to the client not always knowing what the proper URL +# is for the webapp). +# e.g. This will rewrite this header: +# OpenPGP: id=4C0E01CD50E2F653; url="https://leap.se/key/elijah"; preference="signencrypt +# with this replacement: +# OpenPGP: id=4C0E01CD50E2F653; url="https://user.leap.se/key/elijah"; preference="signencrypt +# +# Note: whitespace in the pattern is represented by [[:space:]] to avoid these warnings from postmap: +# "record is in "key: value" format; is this an alias file?" and "duplicate entry" +/^(OpenPGP:[[:space:]]id=[[:alnum:]]+;[[:space:]]url="https:\/\/)<%= @domain %>(\/key\/[[:alpha:]]+";.*)/i REPLACE ${1}<%= @correct_domain %>${2} diff --git a/puppet/modules/site_postfix/templates/virtual-aliases.erb b/puppet/modules/site_postfix/templates/virtual-aliases.erb new file mode 100644 index 00000000..8373de97 --- /dev/null +++ b/puppet/modules/site_postfix/templates/virtual-aliases.erb @@ -0,0 +1,21 @@ +# +# This file is managed by puppet. +# +# These virtual aliases take precedence over all other aliases. +# + +# +# enable these virtual domains: +# +<%= @domain %> enabled +<%- @aliases.keys.map {|addr| addr.split('@')[1] }.compact.sort.uniq.each do |virt_domain| -%> +<%= virt_domain %> enabled +<%- end %> + +# +# virtual aliases: +# +<%- @aliases.keys.sort.each do |from| -%> +<%- full_address = from =~ /@/ ? from : from + "@" + @domain -%> +<%= full_address %> <%= [@aliases[from]].flatten.map{|a| a =~ /@/ ? a : a + "@" + @domain}.join(', ') %> +<%- end -%> |