1 files changed, 69 insertions, 0 deletions
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..66297f55
--- /dev/null
+++ b/puppet/modules/site_postfix/manifests/mx/smtpd_tls.pp
@@ -0,0 +1,69 @@
+# configure smtpd tls
+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_received_header':
+      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";
+    # see issue #4011
+    'smtpd_tls_mandatory_protocols':
+      value => '!SSLv2, !SSLv3';
+    'smtpd_tls_protocols':
+      value => '!SSLv2, !SSLv3';
+    # For connections to MUAs, TLS is mandatory and the ciphersuite is modified.
+    # MX and SMTP client configuration
+    'smtpd_tls_mandatory_ciphers':
+      value => 'high';
+    'tls_high_cipherlist':
+      value => 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!RC4:!MD5:!PSK!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
+  }
+
+  # 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']
+  }
+}