ikev2: use protocol of selected proposal to delete a failed CHILD_SA

Depending on the failure, the protocol might not yet be set on the CHILD_SA.

diff --git a/src/libcharon/sa/ikev2/tasks/child_create.c b/src/libcharon/sa/ikev2/tasks/child_create.c
index 3e5dcc82eb09a621b20a7d210cb7722768e6d1d8..dd3813e85f47e1d4f11e520c27fe04d88300efb4 100644 (file)
--- a/src/libcharon/sa/ikev2/tasks/child_create.c
+++ b/src/libcharon/sa/ikev2/tasks/child_create.c
@@ -1284,13 +1284,13 @@ 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)
+       if (this->child_sa && this->proposal)
        {
                protocol_id_t proto;
                delete_payload_t *del;
                u_int32_t spi;
 
-               proto = this->child_sa->get_protocol(this->child_sa);
+               proto = this->proposal->get_protocol(this->proposal);
                spi = this->child_sa->get_spi(this->child_sa, TRUE);
                del = delete_payload_create(DELETE, proto);
                del->add_spi(del, spi);