Add interface to get status of rsyslog service

Updated based on feedback.

Signed-off-by: Dave Sugar <dsugar@tresys.com>

policy/modules/system/logging.if

@@ -427,6 +427,25 @@ interface(`logging_domtrans_syslog',`
 	')
 ')
 
+########################################
+## <summary>
+##	Allow specified domain to check status of syslog unit
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`logging_status_syslog',`
+	gen_require(`
+		type syslogd_unit_t;
+		class service status;
+	')
+
+	allow $1 syslogd_unit_t:service status;
+')
+
 ########################################
 ## <summary>
 ##	Set the attributes of syslog temporary files.