kernel: add filetrans interface for unlabeled dirs

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

policy/modules/kernel/kernel.if

@@ -2911,6 +2911,40 @@ interface(`kernel_dontaudit_read_unlabeled_files',`
 	dontaudit $1 unlabeled_t:file { getattr read };
 ')
 
+########################################
+## <summary>
+##	Create an object in unlabeled directories
+##	with a private type.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+## <param name="private type">
+##	<summary>
+##	The type of the object to be created.
+##	</summary>
+## </param>
+## <param name="object">
+##	<summary>
+##	The object class of the object being created.
+##	</summary>
+## </param>
+## <param name="name" optional="true">
+##	<summary>
+##	The name of the object being created.
+##	</summary>
+## </param>
+#
+interface(`kernel_unlabeled_filetrans',`
+	gen_require(`
+		type unlabeled_t;
+	')
+
+	filetrans_pattern($1, unlabeled_t, $2, $3, $4)
+')
+
 ########################################
 ## <summary>
 ##	Delete unlabeled symbolic links.