propellor spin

config-joey.hs

@@ -74,6 +74,10 @@ darkstar = host "darkstar.kitenet.net"
 	& Docker.configured
 	! Docker.docked gitAnnexAndroidDev
 
+	& JoeySites.dkimInstalled
+	& JoeySites.postfixClientRelay (Context "darkstar.kitenet.net")
+	& JoeySites.dkimMilter
+
 clam :: Host
 clam = standardSystem "clam.kitenet.net" Unstable "amd64"
 	[ "Unreliable server. Anything here may be lost at any time!" ]

src/Propellor/Property/SiteSpecific/JoeySites.hs

@@ -465,8 +465,7 @@ kiteMailServer = propertyList "kitenet.net mail server"
 	, "/etc/aliases" `File.hasPrivContentExposed` ctx
 		`onChange` Postfix.newaliases
 	, hasJoeyCAChain
-	, "/etc/ssl/certs/postfix.pem" `File.hasPrivContentExposed` ctx
-	, "/etc/ssl/private/postfix.pem" `File.hasPrivContent` ctx
+	, hasPostfixCert ctx
 
 	, "/etc/postfix/mydomain" `File.containsLines`
 		[ "/.*\\.kitenet\\.net/\tOK"
@@ -589,6 +588,25 @@ kiteMailServer = propertyList "kitenet.net mail server"
 	pinescript = "/usr/local/bin/pine"
 	dovecotusers = "/etc/dovecot/users"
 
+-- Configures postfix to relay outgoing mail to kitenet.net, with
+-- verification via tls cert.
+postfixClientRelay :: Context -> Property
+postfixClientRelay ctx = Postfix.mainCfFile `File.containsLines`
+	[ "relayhost = kitenet.net"
+	, "smtp_tls_CAfile = /etc/ssl/certs/joeyca.pem"
+	, "smtp_tls_cert_file = /etc/ssl/certs/postfix.pem"
+	, "smtp_tls_key_file = /etc/ssl/private/postfix.pem"
+	, "smtp_tls_loglevel = 0"
+	, "smtp_use_tls = yes"
+	]
+	`describe` "postfix client relay"
+	`onChange` Postfix.dedupMainCf
+	`onChange` Postfix.reloaded
+	`requires` hasJoeyCAChain
+	`requires` hasPostfixCert ctx
+
+-- This does not configure postfix to use the dkim milter,
+-- nor does it set up domainkey DNS.
 dkimInstalled :: Property
 dkimInstalled = propertyList "opendkim installed"
 	[ Apt.serviceInstalledRunning "opendkim"
@@ -605,6 +623,17 @@ dkimInstalled = propertyList "opendkim installed"
 	]
 	`onChange` Service.restarted "opendkim"
 
+-- Configures postfix to have the dkim milter, and no other milters.
+dkimMilter :: Property
+dkimMilter = Postfix.mainCfFile `File.containsLines`
+	[ "inet:localhost:8891"
+	, "non_smtpd_milters = inet:localhost:8891"
+	, "milter_default_action = accept"
+	]
+	`describe` "postfix dkim milter"
+	`onChange` Postfix.dedupMainCf
+	`onChange` Postfix.reloaded
+
 -- This is the dkim public key, corresponding with /etc/mail/dkim.key
 -- This value can be included in a domain's additional records to make
 -- it use this domainkey.
@@ -615,6 +644,12 @@ hasJoeyCAChain :: Property
 hasJoeyCAChain = "/etc/ssl/certs/joeyca.pem" `File.hasPrivContentExposed`
 	Context "joeyca.pem"
 
+hasPostfixCert :: Context -> Property
+hasPostfixCert ctx = combineProperties "postfix tls cert installed"
+	[ "/etc/ssl/certs/postfix.pem" `File.hasPrivContentExposed` ctx
+	, "/etc/ssl/private/postfix.pem" `File.hasPrivContent` ctx
+	]
+
 kitenetHttps :: Property
 kitenetHttps = propertyList "kitenet.net https certs"
 	[ File.hasPrivContent "/etc/ssl/certs/web.pem" ctx