ikev2: Defer MOBIKE updates if no path is available

diff --git a/src/libcharon/sa/ikev2/task_manager_v2.c b/src/libcharon/sa/ikev2/task_manager_v2.c
index 8094e34acaec519e2c432897d056b15dba4fd734..c73bf01687ad77699b121999adc5c153633b3f07 100644 (file)
--- a/src/libcharon/sa/ikev2/task_manager_v2.c
+++ b/src/libcharon/sa/ikev2/task_manager_v2.c
@@ -241,16 +241,12 @@ METHOD(task_manager_t, retransmit, status_t,
                        if (task->get_type(task) == TASK_IKE_MOBIKE)
                        {
                                mobike = (ike_mobike_t*)task;
-                               if (!mobike->is_probing(mobike))
-                               {
-                                       mobike = NULL;
-                               }
                                break;
                        }
                }
                enumerator->destroy(enumerator);
 
-               if (mobike == NULL)
+               if (!mobike || !mobike->is_probing(mobike))
                {
                        if (this->initiating.retransmitted <= this->retransmit_tries)
                        {
@@ -273,8 +269,19 @@ METHOD(task_manager_t, retransmit, status_t,
                                charon->bus->alert(charon->bus, ALERT_RETRANSMIT_SEND,
                                                                   this->initiating.packet);
                        }
-                       packet = this->initiating.packet->clone(this->initiating.packet);
-                       charon->sender->send(charon->sender, packet);
+                       if (!mobike)
+                       {
+                               packet = this->initiating.packet->clone(this->initiating.packet);
+                               charon->sender->send(charon->sender, packet);
+                       }
+                       else if (!mobike->transmit(mobike, this->initiating.packet))
+                       {
+                               DBG1(DBG_IKE, "no route found to reach peer, MOBIKE update "
+                                        "deferred");
+                               this->ike_sa->set_condition(this->ike_sa, COND_STALE, TRUE);
+                               this->initiating.deferred = TRUE;
+                               return SUCCESS;
+                       }
                }
                else
                {       /* for routeability checks, we use a more aggressive behavior */