child-create: Don't attempt to delete the SA if we don't have all the information

Since we only support single protocols we could probably guess it and always
send a DELETE.

diff --git a/src/libcharon/sa/ikev2/tasks/child_create.c b/src/libcharon/sa/ikev2/tasks/child_create.c
index ee5086f..d77d4f5 100644 (file)
--- a/src/libcharon/sa/ikev2/tasks/child_create.c
+++ b/src/libcharon/sa/ikev2/tasks/child_create.c
@@ -1352,20 +1352,18 @@ METHOD(task_t, build_i_delete, status_t,
        private_child_create_t *this, message_t *message)
 {
        message->set_exchange_type(message, INFORMATIONAL);
-       if (this->child_sa && this->proposal)
+       if (this->proposal)
        {
                protocol_id_t proto;
                delete_payload_t *del;
-               u_int32_t spi;
 
                proto = this->proposal->get_protocol(this->proposal);
-               spi = this->child_sa->get_spi(this->child_sa, TRUE);
                del = delete_payload_create(PLV2_DELETE, proto);
-               del->add_spi(del, spi);
+               del->add_spi(del, this->my_spi);
                message->add_payload(message, (payload_t*)del);
 
                DBG1(DBG_IKE, "sending DELETE for %N CHILD_SA with SPI %.8x",
-                        protocol_id_names, proto, ntohl(spi));
+                        protocol_id_names, proto, ntohl(this->my_spi));
        }
        return NEED_MORE;
 }
@@ -1375,9 +1373,13 @@ METHOD(task_t, build_i_delete, status_t,
  */
 static status_t delete_failed_sa(private_child_create_t *this)
 {
-       this->public.task.build = _build_i_delete;
-       this->public.task.process = (void*)return_success;
-       return NEED_MORE;
+       if (this->proposal)
+       {
+               this->public.task.build = _build_i_delete;
+               this->public.task.process = (void*)return_success;
+               return NEED_MORE;
+       }
+       return SUCCESS;
 }
 
 METHOD(task_t, process_i, status_t,