1 files changed, 57 insertions, 2 deletions

diff --git a/src/charon/config/attributes/attribute_manager.h b/src/charon/config/attributes/attribute_manager.h
index 750f83c58..ff6db0cf9 100644
--- a/src/charon/config/attributes/attribute_manager.h
+++ b/src/charon/config/attributes/attribute_manager.h
@@ -24,14 +24,20 @@
 #define ATTRIBUTE_MANAGER_H_
 
 #include <config/attributes/attribute_provider.h>
+#include <config/attributes/attribute_handler.h>
 
 typedef struct attribute_manager_t attribute_manager_t;
 
 /**
- * Provide configuration attributes to include in CFG Payloads.
+ * The attribute manager hands out attributes or handles them.
+ *
+ * The attribute manager manages both, attribute providers and attribute
+ * handlers. Attribute providers are responsible to hand out attributes if
+ * a connecting peer requests them. Handlers handle such attributes if they
+ * are received on the requesting peer.
  */
 struct attribute_manager_t {
-
+	
 	/**
 	 * Acquire a virtual IP address to assign to a peer.
 	 *
@@ -55,6 +61,15 @@ struct attribute_manager_t {
 							char *pool, host_t *address, identification_t *id);
 	
 	/**
+	 * Create an enumerator over attributes to hand out to a peer.
+	 *
+	 * @param id			peer identity to hand out attributes to
+	 * @return				enumerator (configuration_attribute_type_t, chunk_t)
+	 */
+	enumerator_t* (*create_attribute_enumerator)(attribute_manager_t *this,
+												 identification_t *id);
+	
+	/**
 	 * Register an attribute provider to the manager.
 	 *
 	 * @param provider		attribute provider to register
@@ -68,6 +83,46 @@ struct attribute_manager_t {
 	 */
 	void (*remove_provider)(attribute_manager_t *this,
 							attribute_provider_t *provider);
+	
+	/**
+	 * Handle a configuration attribute by passing them to the handlers.
+	 *
+	 * @param ike_sa		IKE_SA where attribute was received
+	 * @param type			type of configuration attribute
+	 * @param data			associated attribute data
+	 * @return				handler which handled this attribute, NULL if none
+	 */
+	attribute_handler_t* (*handle)(attribute_manager_t *this, ike_sa_t *ike_sa,
+							configuration_attribute_type_t type, chunk_t data);
+	
+	/**
+	 * Release an attribute previously handle()d by a handler.
+	 *
+	 * @param handler		handler returned by handle() for this attribute
+	 * @param ike_sa		IKE_SA owning the attribute
+	 * @param type			type of attribute to release
+	 * @param data			associated attribute data
+	 */
+	void (*release)(attribute_manager_t *this, attribute_handler_t *handler,
+						ike_sa_t *ike_sa, configuration_attribute_type_t type,
+						chunk_t data);
+	
+	/**
+	 * Register an attribute handler to the manager.
+	 *
+	 * @param handler		attribute handler to register
+	 */
+	void (*add_handler)(attribute_manager_t *this,
+						attribute_handler_t *handler);
+	
+	/**
+	 * Unregister an attribute handler from the manager.
+	 *
+	 * @param handler		attribute handler to unregister
+	 */
+	void (*remove_handler)(attribute_manager_t *this,
+						   attribute_handler_t *handler);
+	
 	/**
 	 * Destroy a attribute_manager instance.
 	 */