Enable DKIM signing of subdomains

[chef.git] / cookbooks / exim / recipes / default.rb

diff --git a/cookbooks/exim/recipes/default.rb b/cookbooks/exim/recipes/default.rb
index 099e047c6cc1b821a8f13816a53455aeae3ef291..a9f6472e62a52007342e7e516614534b3c2181fa 100644 (file)
--- a/cookbooks/exim/recipes/default.rb
+++ b/cookbooks/exim/recipes/default.rb
@@ -1,14 +1,14 @@
 #
-# Cookbook Name:: exim
+# Cookbook:: exim
 # Recipe:: default
 #
-# Copyright 2011, OpenStreetMap Foundation
+# Copyright:: 2011, OpenStreetMap Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,14 +17,17 @@
 # limitations under the License.
 #
 
+include_recipe "munin"
 include_recipe "networking"
 
-package "exim4"
-package "openssl"
-package "ssl-cert"
+package %w[
+  exim4
+  openssl
+  ssl-cert
+]
 
-if File.exist?("/var/run/clamav/clamd.ctl")
-  package "exim4-daemon-heavy"
+package "exim4-daemon-heavy" do
+  only_if { ::File.exist?("/var/run/clamav/clamd.ctl") }
 end
 
 group "ssl-cert" do
@@ -33,29 +36,35 @@ group "ssl-cert" do
   append true
 end
 
-template "/tmp/exim.ssl.cnf" do
-  source "ssl.cnf.erb"
-  owner "root"
-  group "root"
-  mode 0644
-  not_if do
-    File.exist?("/etc/ssl/certs/exim.pem") && File.exist?("/etc/ssl/private/exim.key")
+if node[:exim][:certificate_names]
+  include_recipe "apache"
+
+  apache_site node[:exim][:certificate_names].first do
+    template "apache.erb"
+    variables :aliases => node[:exim][:certificate_names].drop(1)
   end
-end
 
-execute "/etc/ssl/certs/exim.pem" do
-  command "openssl req -x509 -newkey rsa:2048 -keyout /etc/ssl/private/exim.key -out /etc/ssl/certs/exim.pem -days 3650 -nodes -config /tmp/exim.ssl.cnf"
-  user "root"
-  group "ssl-cert"
-  not_if do
-    File.exist?("/etc/ssl/certs/exim.pem") && File.exist?("/etc/ssl/private/exim.key")
+  ssl_certificate node[:exim][:certificate_names].first do
+    domains node[:exim][:certificate_names]
+    notifies :restart, "service[exim4]"
+  end
+else
+  openssl_x509_certificate "/etc/ssl/certs/exim.pem" do
+    key_file "/etc/ssl/private/exim.key"
+    owner "root"
+    group "ssl-cert"
+    mode 0o640
+    org "OpenStreetMap"
+    email "postmaster@openstreetmap.org"
+    common_name node[:fqdn]
+    expire 3650
+    notifies :restart, "service[exim4]"
   end
 end
 
 service "exim4" do
   action [:enable, :start]
   supports :status => true, :restart => true, :reload => true
-  subscribes :restart, "execute[/etc/ssl/certs/exim.pem]"
 end
 
 relay_to_domains = node[:exim][:relay_to_domains]
@@ -70,13 +79,82 @@ if node[:exim][:smarthost_name]
   search(:node, "exim_smarthost_via:#{node[:exim][:smarthost_name]}\\:*").each do |host|
     relay_from_hosts |= host.ipaddresses(:role => :external)
   end
+
+  domains = node[:exim][:certificate_names].select { |c| c =~ /^a\.mx\./ }.collect { |c| c.sub(/^a\.mx./, "") }
+  primary_domain = domains.first
+
+  directory "/srv/mta-sts.#{primary_domain}" do
+    owner "root"
+    group "root"
+    mode 0o755
+  end
+
+  domains.each do |domain|
+    template "/srv/mta-sts.#{primary_domain}/#{domain}.txt" do
+      source "mta-sts.erb"
+      owner "root"
+      group "root"
+      mode 0o644
+      variables :domain => domain
+    end
+  end
+
+  ssl_certificate "mta-sts.#{primary_domain}" do
+    domains domains.collect { |d| "mta-sts.#{d}" }
+    notifies :reload, "service[apache2]"
+  end
+
+  apache_site "mta-sts.#{primary_domain}" do
+    template "apache-mta-sts.erb"
+    directory "/srv/mta-sts.#{primary_domain}"
+    variables :domains => domains
+  end
+end
+
+file "/etc/exim4/blocked-senders" do
+  owner "root"
+  group "Debian-exim"
+  mode 0o644
+end
+
+if node[:exim][:dkim_selectors]
+  keys = data_bag_item("exim", "dkim")
+
+  template "/etc/exim4/dkim-domains" do
+    owner "root"
+    source "dkim-domains.erb"
+    group "Debian-exim"
+    mode 0o644
+  end
+
+  template "/etc/exim4/dkim-selectors" do
+    owner "root"
+    source "dkim-selectors.erb"
+    group "Debian-exim"
+    mode 0o644
+  end
+
+  directory "/etc/exim4/dkim-keys" do
+    owner "root"
+    group "Debian-exim"
+    mode 0o755
+  end
+
+  node[:exim][:dkim_selectors].each do |domain, _selector|
+    file "/etc/exim4/dkim-keys/#{domain}" do
+      content keys[domain].join("\n")
+      owner "root"
+      group "Debian-exim"
+      mode 0o640
+    end
+  end
 end
 
 template "/etc/exim4/exim4.conf" do
   source "exim4.conf.erb"
   owner "root"
   group "Debian-exim"
-  mode 0644
+  mode 0o644
   variables :relay_to_domains => relay_to_domains.sort,
             :relay_from_hosts => relay_from_hosts.sort
   notifies :restart, "service[exim4]"
@@ -103,17 +181,17 @@ template "/etc/aliases" do
   source "aliases.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
 end
 
 remote_directory "/etc/exim4/noreply" do
   source "noreply"
   owner "root"
   group "Debian-exim"
-  mode 0755
+  mode 0o755
   files_owner "root"
   files_group "Debian-exim"
-  files_mode 0755
+  files_mode 0o755
   purge true
 end
 
@@ -144,11 +222,12 @@ else
   end
 end
 
-firewall_rule "deny-outbound-smtp" do
-  action :reject
-  source "fw"
-  dest "net"
-  proto "tcp:syn"
-  dest_ports "smtp"
-  only_if { node[:exim][:smarthost_via] }
+if node[:exim][:smarthost_via]
+  firewall_rule "deny-outbound-smtp" do
+    action :reject
+    source "fw"
+    dest "net"
+    proto "tcp:syn"
+    dest_ports "smtp"
+  end
 end