Restrict fail2ban to evasive blocks instead of all 403 errors

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

diff --git a/cookbooks/exim/recipes/default.rb b/cookbooks/exim/recipes/default.rb
index 61731d8e463cd6fa2589abbd069a8ea31901afc7..ced5a91965c8721b00e281c4d8efb5b5f1322081 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
 #
 # 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
 #
 #
 # 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,
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,


@@ -17,13 +17,26 @@
 # limitations under the License.
 #
 
 # limitations under the License.
 #
 

+include_recipe "munin"

 include_recipe "networking"
 include_recipe "networking"

+include_recipe "prometheus"

 
 

-package "exim4"
-package "openssl"
+package %w[
+  exim4
+  openssl
+  ssl-cert
+  mailutils
+]

 
 

-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 "Debian-exim" do
+  action :modify
+  members "clamav"
+  append true
+  only_if { ::File.exist?("/var/run/clamav/clamd.ctl") }

 end
 
 group "ssl-cert" do
 end
 
 group "ssl-cert" do


@@ -32,50 +45,139 @@ group "ssl-cert" do
   append true
 end
 
   append true
 end
 

-template "/tmp/exim.ssl.cnf" do
-  source "ssl.cnf.erb"
-  owner "root"
-  group "root"
-  mode 0644
-   not_if do
-    File.exists?("/etc/ssl/certs/exim.pem") and File.exists?("/etc/ssl/private/exim.key")
-  end 
-end
+if node[:exim][:certificate_names]
+  include_recipe "apache"

 
 

-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.exists?("/etc/ssl/certs/exim.pem") and File.exists?("/etc/ssl/private/exim.key")
+  apache_site node[:exim][:certificate_names].first do
+    template "apache.erb"
+    variables :aliases => node[:exim][:certificate_names].drop(1)
+  end
+
+  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 "640"
+    org "OpenStreetMap"
+    email "postmaster@openstreetmap.org"
+    common_name node[:fqdn]
+    expire 3650
+    notifies :restart, "service[exim4]"

   end
 end
 
 service "exim4" do
   end
 end
 
 service "exim4" do

-  action [ :enable, :start ]
+  action [:enable, :start]

   supports :status => true, :restart => true, :reload => true
   supports :status => true, :restart => true, :reload => true

-  subscribes :restart, "execute[/etc/ssl/certs/exim.pem]"

 end
 
 relay_to_domains = node[:exim][:relay_to_domains]
 
 node[:exim][:routes].each_value do |route|
 end
 
 relay_to_domains = node[:exim][:relay_to_domains]
 
 node[:exim][:routes].each_value do |route|

-  relay_to_domains = relay_to_domains | route[:domains]
+  relay_to_domains |= route[:domains] if route[:host]

 end
 
 relay_from_hosts = node[:exim][:relay_from_hosts]
 
 if node[:exim][:smarthost_name]
 end
 
 relay_from_hosts = node[:exim][:relay_from_hosts]
 
 if node[:exim][:smarthost_name]

-  search(:node, "exim_smarthost_via:#{node[:exim][:smarthost_name]}\\:*").each do |host|
-    relay_from_hosts = relay_from_hosts | host.ipaddresses(:role => :external)
+  search(:node, "exim_smarthost_via:*?").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 "755"
+  end
+
+  domains.each do |domain|
+    template "/srv/mta-sts.#{primary_domain}/#{domain}.txt" do
+      source "mta-sts.erb"
+      owner "root"
+      group "root"
+      mode "644"
+      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 "644"
+end
+
+file "/etc/exim4/blocked-sender-domains" do
+  owner "root"
+  group "Debian-exim"
+  mode "644"
+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 "644"
+  end
+
+  template "/etc/exim4/dkim-selectors" do
+    owner "root"
+    source "dkim-selectors.erb"
+    group "Debian-exim"
+    mode "644"
+  end
+
+  directory "/etc/exim4/dkim-keys" do
+    owner "root"
+    group "Debian-exim"
+    mode "755"
+  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 "640"
+    end

   end
 end
 
   end
 end
 

+template "/etc/default/exim4" do
+  source "default.erb"
+  owner "root"
+  group "root"
+  mode "044"
+  notifies :restart, "service[exim4]"
+end
+

 template "/etc/exim4/exim4.conf" do
   source "exim4.conf.erb"
   owner "root"
   group "Debian-exim"
 template "/etc/exim4/exim4.conf" do
   source "exim4.conf.erb"
   owner "root"
   group "Debian-exim"

-  mode 0644
+  mode "644"

   variables :relay_to_domains => relay_to_domains.sort,
             :relay_from_hosts => relay_from_hosts.sort
   notifies :restart, "service[exim4]"
   variables :relay_to_domains => relay_to_domains.sort,
             :relay_from_hosts => relay_from_hosts.sort
   notifies :restart, "service[exim4]"


@@ -85,7 +187,7 @@ search(:accounts, "*:*").each do |account|
   name = account["id"]
   details = node[:accounts][:users][name] || {}
 
   name = account["id"]
   details = node[:accounts][:users][name] || {}
 

-  if details[:status] and account["email"]
+  if details[:status] && account["email"]

     node.default[:exim][:aliases][name] = account["email"]
   end
 end
     node.default[:exim][:aliases][name] = account["email"]
   end
 end


@@ -93,7 +195,7 @@ end
 if node[:exim][:private_aliases]
   aliases = data_bag_item("exim", "aliases")
 
 if node[:exim][:private_aliases]
   aliases = data_bag_item("exim", "aliases")
 

-  aliases[node[:exim][:private_aliases]].each do |name,address|
+  aliases[node[:exim][:private_aliases]].each do |name, address|

     node.default[:exim][:aliases][name] = address
   end
 end
     node.default[:exim][:aliases][name] = address
   end
 end


@@ -102,42 +204,67 @@ template "/etc/aliases" do
   source "aliases.erb"
   owner "root"
   group "root"
   source "aliases.erb"
   owner "root"
   group "root"

-  mode 0644
+  mode "644"

 end
 
 remote_directory "/etc/exim4/noreply" do
   source "noreply"
   owner "root"
   group "Debian-exim"
 end
 
 remote_directory "/etc/exim4/noreply" do
   source "noreply"
   owner "root"
   group "Debian-exim"

-  mode 0755
+  mode "755"

   files_owner "root"
   files_group "Debian-exim"
   files_owner "root"
   files_group "Debian-exim"

-  files_mode 0755
+  files_mode "755"

   purge true
 end
 
   purge true
 end
 

+template "/etc/mail.rc" do
+  source "mail.rc.erb"
+  owner "root"
+  group "root"
+  mode "644"
+end
+

 munin_plugin "exim_mailqueue"
 munin_plugin "exim_mailstats"
 
 munin_plugin "exim_mailqueue"
 munin_plugin "exim_mailstats"
 

-if not relay_to_domains.empty? or not node[:exim][:local_domains].empty?
-  node[:exim][:daemon_smtp_ports].each do |port|
-    firewall_rule "accept-inbound-smtp-#{port}" do
-      action :accept
-      source "net"
-      dest "fw"
-      proto "tcp:syn"
-      dest_ports port
-      source_ports "1024:"
-    end
+prometheus_exporter "exim" do
+  port 9636
+  user "Debian-exim"
+  protect_proc "default"
+end
+
+if node[:exim][:smarthost_name]
+  firewall_rule "accept-inbound-smtp" do
+    action :accept
+    context :incoming
+    protocol :tcp
+    dest_ports node[:exim][:daemon_smtp_ports]
+    source_ports "1024-65535"
+  end
+else
+  smarthosts = []
+
+  search(:node, "exim_smarthost_name:*?").each do |host|
+    smarthosts |= host.ipaddresses(:role => :external)
+  end
+
+  firewall_rule "accept-inbound-smtp" do
+    action :accept
+    context :incoming
+    protocol :tcp
+    source smarthosts
+    dest_ports node[:exim][:daemon_smtp_ports]
+    source_ports "1024-65535"
+    not_if { smarthosts.empty? }

   end
 end
 
 if node[:exim][:smarthost_via]
   firewall_rule "deny-outbound-smtp" do
     action :reject
   end
 end
 
 if node[:exim][:smarthost_via]
   firewall_rule "deny-outbound-smtp" do
     action :reject

-    source "fw"
-    dest "net"
-    proto "tcp:syn"
+    context :outgoing
+    protocol :tcp

     dest_ports "smtp"
   end
 end
     dest_ports "smtp"
   end
 end