libmtp, roles: use user exec domain attribute

Signed-off-by: Kenton Groombridge <me@concord.sh>

policy/modules/apps/libmtp.if

@@ -4,27 +4,42 @@
 ## <summary>
 ##	Role access for libmtp.
 ## </summary>
-## <param name="role">
+## <param name="role_prefix">
 ##	<summary>
-##	Role allowed access.
+##	The prefix of the user role (e.g., user
+##	is the prefix for user_r).
 ##	</summary>
 ## </param>
-## <param name="domain">
+## <param name="user_domain">
 ##	<summary>
 ##	User domain for the role.
 ##	</summary>
 ## </param>
+## <param name="user_exec_domain">
+##	<summary>
+##	User exec domain for execute and transition access.
+##	</summary>
+## </param>
+## <param name="role">
+##	<summary>
+##	Role allowed access
+##	</summary>
+## </param>
 #
-interface(`libmtp_role',`
+template(`libmtp_role',`
 	gen_require(`
 		attribute_role libmtp_roles;
 		type libmtp_t, libmtp_exec_t;
 	')
 
-	roleattribute $1 libmtp_roles;
+	roleattribute $4 libmtp_roles;
 
-	domtrans_pattern($2, libmtp_exec_t, libmtp_t)
+	domtrans_pattern($3, libmtp_exec_t, libmtp_t)
 
-	allow $2 libmtp_t:process { ptrace signal_perms };
+	allow $3 libmtp_t:process { ptrace signal_perms };
-	ps_process_pattern($2, libmtp_t)
+	ps_process_pattern($3, libmtp_t)
+
+	optional_policy(`
+		systemd_user_app_status($1, libmtp_t)
+	')
 ')

policy/modules/roles/staff.te

@@ -127,7 +127,7 @@ ifndef(`distro_redhat',`
 	')
 
 	optional_policy(`
-		libmtp_role(staff_r, staff_t)
+		libmtp_role(staff, staff_t, staff_application_exec_domain, staff_r)
 	')
 
 	optional_policy(`

policy/modules/roles/sysadm.te

@@ -543,7 +543,7 @@ optional_policy(`
 ')
 
 optional_policy(`
-	libmtp_role(sysadm_r, sysadm_t)
+	libmtp_role(sysadm, sysadm_t, sysadm_application_exec_domain, sysadm_r)
 ')
 
 optional_policy(`

policy/modules/roles/unprivuser.te

@@ -95,7 +95,7 @@ ifndef(`distro_redhat',`
 	')
 
 	optional_policy(`
-		libmtp_role(user_r, user_t)
+		libmtp_role(user, user_t, user_application_exec_domain, user_r)
 	')
 
 	optional_policy(`