From de4859456f1de54540c96ad97f62858dd089a980 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Tue, 1 Jul 2014 23:02:45 +0200
Subject: Replace IPSec tunnels by app-level ephemeral TLS sessions.

For some reason giraff doesn't like IPSec.  App-level TLS sessions are
less efficient, but thanks to ansible it still scales well.
---
 roles/IMAP/tasks/mda.yml | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

(limited to 'roles/IMAP/tasks/mda.yml')

diff --git a/roles/IMAP/tasks/mda.yml b/roles/IMAP/tasks/mda.yml
index 0358f12..4a74ed3 100644
--- a/roles/IMAP/tasks/mda.yml
+++ b/roles/IMAP/tasks/mda.yml
@@ -9,7 +9,7 @@
             dest=/etc/postfix-{{ postfix_instance[inst].name }}/main.cf
             owner=root group=root
             mode=0644
-  register: r
+  register: r1
   notify:
     - Restart Postfix
 
@@ -35,8 +35,30 @@
         owner=root group=root
         mode=0644
 
+- name: Build the Postfix relay clientcerts map
+  sudo: False
+  # smtpd_tls_fingerprint_digest MUST be sha256!
+  local_action: shell openssl x509 -in certs/postfix/{{ item }}.pem -noout -fingerprint -sha256 | sed -nr 's/^.*=(.*)/\1 {{ item }}/p'
+  with_items: groups.MX | difference([inventory_hostname]) | sort
+  register: relay_clientcerts
+  changed_when: False
+
+- name: Copy the Postfix relay clientcerts map
+  template: src=etc/postfix/relay_clientcerts.j2
+            dest=/etc/postfix-{{ postfix_instance[inst].name }}/relay_clientcerts
+            owner=root group=root
+            mode=0644
+
+- name: Compile the Postfix relay clientcerts map
+  postmap: cmd=postmap src=/etc/postfix-{{ postfix_instance[inst].name }}/relay_clientcerts db=cdb
+           owner=root group=root
+           mode=0644
+  register: r2
+  notify:
+    - Restart Postfix
+
 - name: Start Postfix
   service: name=postfix state=started
-  when: not r.changed
+  when: not (r1.changed or r2.changed)
 
 - meta: flush_handlers
-- 
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