not detaching from bus when IKE_SA_INIT is retried

src/charon/sa/tasks/ike_auth.h

@@ -30,10 +30,14 @@ typedef struct ike_auth_t ike_auth_t;
 #include <sa/tasks/task.h>
 
 /**
- * @brief Task of type ike_auth, authenticates an IKE_SA authenticators.
+ * @brief Task of type ike_auth, authenticates an IKE_SA using authenticators.
  *
  * The ike_auth task authenticates the IKE_SA using the IKE_AUTH
- * exchange. 
+ * exchange. It processes and build IDi and IDr payloads and also
+ * handles AUTH payloads. The AUTH payloads are passed to authenticator_t's,
+ * which do the actual authentication process. If the ike_auth task is used
+ * with EAP authentication, it stays alive over multiple exchanges until
+ * EAP has completed.
  *
  * @b Constructors:
  *  - ike_auth_create()
@@ -53,7 +57,7 @@ struct ike_auth_t {
  *
  * @param ike_sa		IKE_SA this task works for
  * @param initiator		TRUE if thask is the initator of an exchange
- * @return			  ike_auth task to handle by the task_manager
+ * @return				ike_auth task to handle by the task_manager
  */
 ike_auth_t *ike_auth_create(ike_sa_t *ike_sa, bool initiator);
 

src/charon/sa/tasks/ike_init.c

@@ -404,8 +404,8 @@ static status_t process_i(private_ike_init_t *this, message_t *message)
 					if (!this->connection->check_dh_group(this->connection,
 														  this->dh_group))
 					{
-						SIG(IKE_UP_FAILED, "requested DH group %N not "
-							"acceptable, giving up", diffie_hellman_group_names,
+						DBG1(DBG_IKE, "requested DH group %N not acceptable, "
+							"giving up", diffie_hellman_group_names,
 							this->dh_group);
 						iterator->destroy(iterator);
 						return FAILED;
@@ -425,8 +425,7 @@ static status_t process_i(private_ike_init_t *this, message_t *message)
 					this->cookie = chunk_clone(notify->get_notification_data(notify));
 					this->ike_sa->reset(this->ike_sa);
 					iterator->destroy(iterator);
-					SIG(IKE_UP_FAILED, "received %N notify",
-						notify_type_names, type);
+					DBG1(DBG_IKE, "received %N notify", notify_type_names, type);
 					return NEED_MORE;
 				}
 				default: