From 518f982af33225110d21813591603d00aa4bcd1f Mon Sep 17 00:00:00 2001
From: Ryan Hass <rhass@users.noreply.github.com>
Date: Thu, 16 Nov 2017 17:17:08 -0800
Subject: [PATCH] Properly support FreeBSD

We now disable all sendmail services and periodic services on FreeBSD
before attempting to start postfix. Additionally, this updates
mailer.conf mappings to use postfix applications rather than sendmail.
---
 recipes/_common.rb   | 41 +++++++++++++++++++++++++++++++++++++++++
 templates/mailer.erb | 10 ++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 templates/mailer.erb

diff --git a/recipes/_common.rb b/recipes/_common.rb
index e738d39..8b7561b 100644
--- a/recipes/_common.rb
+++ b/recipes/_common.rb
@@ -69,6 +69,47 @@ when 'omnios'
     command "svccfg import #{manifest_path}"
     notifies :restart, 'service[postfix]'
   end
+when 'freebsd'
+  # Actions are based on docs provided by FreeBSD:
+  # https://www.freebsd.org/doc/handbook/mail-changingmta.html
+  service 'sendmail' do
+    action :nothing
+  end
+
+  template '/etc/mail/mailer.conf' do
+    source 'mailer.erb'
+    owner 'root'
+    group 0
+    notifies :restart, 'service[postfix]'
+  end
+
+  execute 'switch_mailer_to_postfix' do
+    command [
+      'sysrc',
+      'sendmail_enable=NO',
+      'sendmail_submit_enable=NO',
+      'sendmail_outbound_enable=NO',
+      'sendmail_msp_queue_enable=NO',
+      'postfix_enable=YES',
+    ]
+    notifies :stop, 'service[sendmail]', :immediately
+    notifies :disable, 'service[sendmail]', :immediately
+    notifies :start, 'service[postfix]', :delayed
+    only_if "sysrc sendmail_enable sendmail_submit_enable sendmail_outbound_enable sendmail_msp_queue_enable | egrep -q '(YES|unknown variable)' || sysrc postfix_enable | egrep -q '(NO|unknown variable)'"
+  end
+
+  execute 'disable_periodic' do
+    # rubocop:disable Lint/ParenthesesAsGroupedExpression
+    environment ({ 'RC_CONFS' => '/etc/periodic.conf' })
+    command [
+      'sysrc',
+      'daily_clean_hoststat_enable=NO',
+      'daily_status_mail_rejects_enable=NO',
+      'daily_status_include_submit_mailq=NO',
+      'daily_submit_queuerun=NO',
+    ]
+    only_if "RC_CONFS=/etc/periodic.conf sysrc daily_clean_hoststat_enable daily_status_mail_rejects_enable daily_status_include_submit_mailq daily_submit_queuerun | egrep -q '(YES|unknown variable)'"
+  end
 end
 
 execute 'update-postfix-sender_canonical' do
diff --git a/templates/mailer.erb b/templates/mailer.erb
new file mode 100644
index 0000000..1865157
--- /dev/null
+++ b/templates/mailer.erb
@@ -0,0 +1,10 @@
+#
+# Auto-generated by Chef.
+# Local modifications will be overwritten.
+#
+# Execute the Postfix sendmail program, named /usr/local/sbin/sendmail
+#
+sendmail        /usr/local/sbin/sendmail
+send-mail       /usr/local/sbin/sendmail
+mailq           /usr/local/sbin/sendmail
+newaliases      /usr/local/sbin/sendmail