Monitor the route socket and regenerate the list of interfaces and

messages to send when an interface shows up or disappears or
and address shows up or disappears.

diff --git a/usr.sbin/rad/frontend.c b/usr.sbin/rad/frontend.c
index 9377610..37d1ffe 100644 (file)
--- a/usr.sbin/rad/frontend.c
+++ b/usr.sbin/rad/frontend.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: frontend.c,v 1.7 2018/07/13 08:32:10 florian Exp $    */
+/*     $OpenBSD: frontend.c,v 1.8 2018/07/13 09:16:50 florian Exp $    */
 
 /*
  * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
@@ -1045,4 +1045,18 @@ route_receive(int fd, short events, void *arg)
 void
 handle_route_message(struct rt_msghdr *rtm, struct sockaddr **rti_info)
 {
+       switch (rtm->rtm_type) {
+       case RTM_IFINFO:
+       case RTM_NEWADDR:
+       case RTM_DELADDR:
+               /*
+                * do the same thing as after a config reload when interfaces
+                * change or IPv6 addresses show up / disappear
+                */
+               merge_ra_interfaces();
+               break;
+       default:
+               log_debug("unexpected RTM: %d", rtm->rtm_type);
+               break;
+       }
 }