Introduce init_startstop_service interface

This is to be used where a role needs to start and stop a labeled
service. It centralizes all the rules for redhat < 6 sysvinit that
were used in the _admin interfaces. The rules for other inits will
be added later.

policy/modules/system/init.if

@@ -961,6 +961,46 @@ interface(`init_all_labeled_script_domtrans',`
 	init_labeled_script_domtrans($1, init_script_file_type)
 ')
 
+########################################
+## <summary>
+##	Allow the role to start and stop
+##	labeled services.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed to transition.
+##	</summary>
+## </param>
+## <param name="role">
+##	<summary>
+##	The role to be performing this action.
+##	</summary>
+## </param>
+## <param name="domain">
+##	<summary>
+##	Type to be used as a daemon domain.
+##	</summary>
+## </param>
+## <param name="init_script_file">
+##	<summary>
+##	Labeled init script file.
+##	</summary>
+## </param>
+#
+interface(`init_startstop_service',`
+	gen_require(`
+		role system_r;
+	')
+
+	ifndef(`direct_sysadm_daemon',`
+		# rules for sysvinit / upstart
+		init_labeled_script_domtrans($1, $4)
+		domain_system_change_exemption($1)
+		role_transition $2 $4 system_r;
+		allow $2 system_r;
+	')
+')
+
 ########################################
 ## <summary>
 ##	Start and stop daemon programs directly.