Ignore additional TRANSACTION request if we already queued one

diff --git a/src/libcharon/sa/task_manager_v1.c b/src/libcharon/sa/task_manager_v1.c
index e44e4ac33480375d298edc5e345f688e76aa8383..baf7bb4371aea2255b44a243d9af02b56a1dc259 100755 (executable)
--- a/src/libcharon/sa/task_manager_v1.c
+++ b/src/libcharon/sa/task_manager_v1.c
@@ -906,9 +906,14 @@ METHOD(task_manager_t, process_message, status_t,
                        return SUCCESS;
                }
                if (msg->get_exchange_type(msg) == TRANSACTION &&
-                       this->active_tasks->get_count(this->active_tasks) &&
-                       !this->queued)
+                       this->active_tasks->get_count(this->active_tasks))
                {       /* main mode not yet complete, queue XAuth/Mode config tasks */
+                       if (this->queued)
+                       {
+                               DBG1(DBG_IKE, "ignoring additional %N request, queue full",
+                                        exchange_type_names, TRANSACTION);
+                               return SUCCESS;
+                       }
                        this->queued = message_create_from_packet(msg->get_packet(msg));
                        if (this->queued->parse_header(this->queued) != SUCCESS)
                        {