From 2354b4f1be4ad7364b43031c4e4fad4d66522e41 Mon Sep 17 00:00:00 2001
From: Kenton Groombridge <me@concord.sh>
Date: Wed, 7 Dec 2022 11:00:03 -0500
Subject: [PATCH] postfix, sasl: allow postfix smtp daemon to read SASL keytab

Signed-off-by: Kenton Groombridge <me@concord.sh>
---
 policy/modules/services/postfix.te |  1 +
 policy/modules/services/sasl.if    | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/policy/modules/services/postfix.te b/policy/modules/services/postfix.te
index c84190294..205f4ce2d 100644
--- a/policy/modules/services/postfix.te
+++ b/policy/modules/services/postfix.te
@@ -839,6 +839,7 @@ optional_policy(`
 
 optional_policy(`
 	sasl_connect(postfix_smtpd_t)
+	sasl_read_keytab(postfix_smtpd_t)
 ')
 
 optional_policy(`
diff --git a/policy/modules/services/sasl.if b/policy/modules/services/sasl.if
index e1e15648f..87caf806e 100644
--- a/policy/modules/services/sasl.if
+++ b/policy/modules/services/sasl.if
@@ -19,6 +19,25 @@ interface(`sasl_connect',`
 	stream_connect_pattern($1, saslauthd_runtime_t, saslauthd_runtime_t, saslauthd_t)
 ')
 
+########################################
+## <summary>
+##	Read SASL keytab files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`sasl_read_keytab',`
+	gen_require(`
+		type saslauthd_keytab_t;
+	')
+
+	files_search_etc($1)
+	read_files_pattern($1, saslauthd_keytab_t, saslauthd_keytab_t)
+')
+
 ########################################
 ## <summary>
 ##	All of the rules required to