Protocol change: Initiate key setup on incoming packets, not outgoing ones

[secnet] / site.c

diff --git a/site.c b/site.c
index 13a6bc3..5a4b64a 100644 (file)
--- a/site.c
+++ b/site.c
@@ -656,6 +656,9 @@ static bool_t process_msg0(struct site *st, struct buffer_if *msg0,
     case LABEL_MSG9:
        /* Deliver to netlink layer */
        st->netlink->deliver(st->netlink->st,msg0);
+       /* See whether we should start negotiating a new key */
+       if (st->now > st->renegotiate_key_time)
+           initiate_key_setup(st,"incoming packet in renegotiation window");
        return True;
     default:
        slog(st,LOG_SEC,"incoming encrypted message of type %08x "
@@ -1009,9 +1012,6 @@ static void site_outgoing(void *sst, struct buffer_if *buf)
            st->comm->sendmsg(st->comm->st,buf,&st->peer);
        }
        BUF_FREE(buf);
-       /* See whether we should start negotiating a new key */
-       if (st->now > st->renegotiate_key_time)
-           initiate_key_setup(st,"outgoing packet in renegotiation window");
        return;
     }