diff options
Diffstat (limited to 'puppet/modules/site_postfix/manifests/mx')
6 files changed, 175 insertions, 0 deletions
diff --git a/puppet/modules/site_postfix/manifests/mx/checks.pp b/puppet/modules/site_postfix/manifests/mx/checks.pp new file mode 100644 index 00000000..5d75a5e5 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/checks.pp @@ -0,0 +1,41 @@ +class site_postfix::mx::checks { + + file { + '/etc/postfix/checks': + ensure => directory, + mode => '0755', + owner => root, + group => postfix, + require => Package['postfix']; + + '/etc/postfix/checks/helo_checks': + content => template('site_postfix/checks/helo_access.erb'), + mode => '0644', + owner => root, + group => root; + } + + exec { + '/usr/sbin/postmap /etc/postfix/checks/helo_checks': + refreshonly => true, + subscribe => File['/etc/postfix/checks/helo_checks']; + } + + # Anonymize the user's home IP from the email headers (Feature #3866) + package { 'postfix-pcre': ensure => installed, require => Package['postfix'] } + + file { '/etc/postfix/checks/received_anon': + source => 'puppet:///modules/site_postfix/checks/received_anon', + mode => '0644', + owner => root, + group => root, + notify => Service['postfix'] + } + + postfix::config { + 'header_checks': + value => 'pcre:/etc/postfix/checks/received_anon', + require => File['/etc/postfix/checks/received_anon']; + } + +} diff --git a/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp b/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp new file mode 100644 index 00000000..83e27376 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/reserved_aliases.pp @@ -0,0 +1,15 @@ +# 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/smtp_auth.pp b/puppet/modules/site_postfix/manifests/mx/smtp_auth.pp new file mode 100644 index 00000000..afa70527 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/smtp_auth.pp @@ -0,0 +1,6 @@ +class site_postfix::mx::smtp_auth { + + postfix::config { + 'smtpd_tls_ask_ccert': value => 'yes'; + } +} diff --git a/puppet/modules/site_postfix/manifests/mx/smtp_tls.pp b/puppet/modules/site_postfix/manifests/mx/smtp_tls.pp new file mode 100644 index 00000000..d9b59f40 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/smtp_tls.pp @@ -0,0 +1,27 @@ +class site_postfix::mx::smtp_tls { + + include x509::variables + $ca_path = "${x509::variables::local_CAs}/${site_config::params::ca_name}.crt" + $cert_path = "${x509::variables::certs}/${site_config::params::cert_name}.crt" + $key_path = "${x509::variables::keys}/${site_config::params::cert_name}.key" + + # smtp TLS + postfix::config { + 'smtp_use_tls': value => 'yes'; + 'smtp_tls_CApath': value => '/etc/ssl/certs/'; + 'smtp_tls_CAfile': value => $ca_path; + 'smtp_tls_cert_file': value => $cert_path; + 'smtp_tls_key_file': value => $key_path; + 'smtp_tls_loglevel': value => '1'; + 'smtp_tls_exclude_ciphers': + value => 'aNULL, MD5, DES'; + # upstream default is md5 (since 2.5 and older used it), we force sha1 + 'smtp_tls_fingerprint_digest': + value => 'sha1'; + 'smtp_tls_session_cache_database': + value => 'btree:${data_directory}/smtp_cache'; + # see issue #4011 + 'smtp_tls_protocols': + value => '!SSLv2, !SSLv3'; + } +} diff --git a/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp new file mode 100644 index 00000000..0ec40277 --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/smtpd_checks.pp @@ -0,0 +1,31 @@ +class site_postfix::mx::smtpd_checks { + + postfix::config { + 'smtpd_helo_required': + value => 'yes'; + 'checks_dir': + value => '$config_directory/checks'; + 'smtpd_client_restrictions': + value => 'permit_mynetworks,permit'; + 'smtpd_data_restrictions': + value => 'permit_mynetworks, reject_unauth_pipelining, permit'; + 'smtpd_delay_reject': + value => 'yes'; + 'smtpd_helo_restrictions': + value => 'permit_mynetworks, reject_invalid_helo_hostname, reject_non_fqdn_helo_hostname, check_helo_access hash:$checks_dir/helo_checks, permit'; + 'smtpd_recipient_restrictions': + value => 'reject_unknown_recipient_domain, permit_mynetworks, check_recipient_access tcp:localhost:2244, reject_unauth_destination, permit'; + # We should change from permit_tls_all_clientcerts to permit_tls_clientcerts + # with a lookup on $relay_clientcerts! Right now we are listing the only + # valid CA that client certificates can use in the $smtp_tls_CAfile parameter + # but we cannot cut off a certificate that should no longer be used unless + # we use permit_tls_clientcerts with the $relay_clientcerts lookup + 'smtps_recipient_restrictions': + value => 'permit_tls_all_clientcerts, check_recipient_access tcp:localhost:2244, reject_unauth_destination, permit'; + 'smtps_helo_restrictions': + value => 'permit_mynetworks, check_helo_access hash:$checks_dir/helo_checks, permit'; + 'smtpd_sender_restrictions': + value => 'permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, permit'; + } + +} diff --git a/puppet/modules/site_postfix/manifests/mx/smtpd_tls.pp b/puppet/modules/site_postfix/manifests/mx/smtpd_tls.pp new file mode 100644 index 00000000..0809c75f --- /dev/null +++ b/puppet/modules/site_postfix/manifests/mx/smtpd_tls.pp @@ -0,0 +1,55 @@ +class site_postfix::mx::smtpd_tls { + + include x509::variables + $ca_path = "${x509::variables::local_CAs}/${site_config::params::client_ca_name}.crt" + $cert_path = "${x509::variables::certs}/${site_config::params::cert_name}.crt" + $key_path = "${x509::variables::keys}/${site_config::params::cert_name}.key" + + + postfix::config { + 'smtpd_use_tls': value => 'yes'; + 'smtpd_tls_CAfile': value => $ca_path; + 'smtpd_tls_cert_file': value => $cert_path; + 'smtpd_tls_key_file': value => $key_path; + 'smtpd_tls_ask_ccert': value => 'yes'; + 'smtpd_tls_security_level': + value => 'may'; + 'smtpd_tls_eecdh_grade': + value => 'ultra'; + 'smtpd_tls_session_cache_database': + value => 'btree:${data_directory}/smtpd_scache'; + } + + # Setup DH parameters + # Instead of using the dh parameters that are created by leap cli, it is more + # secure to generate new parameter files that will only be used for postfix, + # for each machine + + include site_config::packages::gnutls + + # Note, the file name is called dh_1024.pem, but we are generating 2048bit dh + # parameters Neither Postfix nor OpenSSL actually care about the size of the + # prime in "smtpd_tls_dh1024_param_file". You can make it 2048 bits + + exec { 'certtool-postfix-gendh': + command => 'certtool --generate-dh-params --bits 2048 --outfile /etc/postfix/smtpd_tls_dh_param.pem', + user => root, + group => root, + creates => '/etc/postfix/smtpd_tls_dh_param.pem', + require => [ Package['gnutls-bin'], Package['postfix'] ] + } + + # Make sure the dh params file has correct ownership and mode + file { + '/etc/postfix/smtpd_tls_dh_param.pem': + owner => root, + group => root, + mode => '0600', + require => Exec['certtool-postfix-gendh']; + } + + postfix::config { 'smtpd_tls_dh1024_param_file': + value => '/etc/postfix/smtpd_tls_dh_param.pem', + require => File['/etc/postfix/smtpd_tls_dh_param.pem'] + } +} |