From a50afdcc84b573fac7f96abbba1133fd80dad821 Mon Sep 17 00:00:00 2001
From: "Sugar, David" <dsugar@tresys.com>
Date: Wed, 20 Mar 2019 00:20:33 +0000
Subject: [PATCH] Add interface ntp_dbus_chat

type=USER_AVC msg=audit(1553013821.622:9900): pid=7377 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.timedate1 member=SetTimezone dest=org.freedesktop.timedate1 spid=16280 tpid=16281 scontext=sysadm_u:sysadm_r:settings_t:s0-s0:c0.c1023 tcontext=system_u:system_r:ntpd_t:s0 tclass=dbus  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'
type=USER_AVC msg=audit(1553013821.625:9911): pid=7377 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.258 spid=16281 tpid=16280 scontext=system_u:system_r:ntpd_t:s0 tcontext=sysadm_u:sysadm_r:settings_t:s0-s0:c0.c1023 tclass=dbus  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'

Signed-off-by: Dave Sugar <dsugar@tresys.com>
---
 policy/modules/services/ntp.if | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/policy/modules/services/ntp.if b/policy/modules/services/ntp.if
index f1a90c558..7fa20c8d8 100644
--- a/policy/modules/services/ntp.if
+++ b/policy/modules/services/ntp.if
@@ -79,6 +79,27 @@ interface(`ntp_run',`
 	roleattribute $2 ntpd_roles;
 ')
 
+########################################
+## <summary>
+##	Send and receive messages from
+##	ntpd over dbus.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`ntp_dbus_chat',`
+	gen_require(`
+		type ntpd_t;
+		class dbus send_msg;
+	')
+
+	allow $1 ntpd_t:dbus send_msg;
+	allow ntpd_t $1:dbus send_msg;
+')
+
 ########################################
 ## <summary>
 ##	Execute ntpdate server in the ntpd domain.