Limit mail connections from smarthosts by address

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

diff --git a/cookbooks/exim/recipes/default.rb b/cookbooks/exim/recipes/default.rb
index 6234aa96412ab3034b1f5cbf3b0a6540efaef7a4..789c4e253a1802b82d68e5e504480a914472b91b 100644 (file)
--- a/cookbooks/exim/recipes/default.rb
+++ b/cookbooks/exim/recipes/default.rb
@@ -19,17 +19,26 @@
 
 include_recipe "munin"
 include_recipe "networking"
 
 include_recipe "munin"
 include_recipe "networking"

+include_recipe "prometheus"

 
 package %w[
   exim4
   openssl
   ssl-cert
 
 package %w[
   exim4
   openssl
   ssl-cert

+  mailutils

 ]
 
 package "exim4-daemon-heavy" do
   only_if { ::File.exist?("/var/run/clamav/clamd.ctl") }
 end
 
 ]
 
 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
   action :modify
   members "Debian-exim"
 group "ssl-cert" do
   action :modify
   members "Debian-exim"


@@ -76,7 +85,7 @@ end
 relay_from_hosts = node[:exim][:relay_from_hosts]
 
 if node[:exim][:smarthost_name]
 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|
+  search(:node, "exim_smarthost_via:*?").each do |host|

     relay_from_hosts |= host.ipaddresses(:role => :external)
   end
 
     relay_from_hosts |= host.ipaddresses(:role => :external)
   end
 


@@ -150,6 +159,14 @@ if node[:exim][:dkim_selectors]
   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"
 template "/etc/exim4/exim4.conf" do
   source "exim4.conf.erb"
   owner "root"


@@ -195,9 +212,22 @@ remote_directory "/etc/exim4/noreply" do
   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"
 

+prometheus_exporter "exim" do
+  port 9636
+  user "Debian-exim"
+  protect_proc "default"
+end
+

 if node[:exim][:smarthost_name]
   node[:exim][:daemon_smtp_ports].each do |port|
     firewall_rule "accept-inbound-smtp-#{port}" do
 if node[:exim][:smarthost_name]
   node[:exim][:daemon_smtp_ports].each do |port|
     firewall_rule "accept-inbound-smtp-#{port}" do


@@ -210,10 +240,29 @@ if node[:exim][:smarthost_name]
     end
   end
 else
     end
   end
 else

+  smarthosts_inet = []
+  smarthosts_inet6 = []
+
+  search(:node, "exim_smarthost_name:*?").each do |host|
+    smarthosts_inet |= host.ipaddresses(:role => :external, :family => :inet)
+    smarthosts_inet6 |= host.ipaddresses(:role => :external, :family => :inet6)
+  end
+

   node[:exim][:daemon_smtp_ports].each do |port|
     firewall_rule "accept-inbound-smtp-#{port}" do
       action :accept
   node[:exim][:daemon_smtp_ports].each do |port|
     firewall_rule "accept-inbound-smtp-#{port}" do
       action :accept

-      source "bm:mail.openstreetmap.org"
+      family :inet
+      source "net:#{smarthosts_inet.sort.join(',')}"
+      dest "fw"
+      proto "tcp:syn"
+      dest_ports port
+      source_ports "1024:"
+    end
+
+    firewall_rule "accept-inbound-smtp-#{port}" do
+      action :accept
+      family :inet6
+      source "net:#{smarthosts_inet6.sort.join(',')}"

       dest "fw"
       proto "tcp:syn"
       dest_ports port
       dest "fw"
       proto "tcp:syn"
       dest_ports port