Don't filter by address family on the route socket.

While here also set SOCK_NONBLOCK on the frontend routesock.

diff --git a/sbin/unwind/unwind.c b/sbin/unwind/unwind.c
index 00c6005..178d2d8 100644 (file)
--- a/sbin/unwind/unwind.c
+++ b/sbin/unwind/unwind.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: unwind.c,v 1.57 2021/01/27 08:30:50 florian Exp $     */
+/*     $OpenBSD: unwind.c,v 1.58 2021/01/29 17:46:04 florian Exp $     */
 
 /*
  * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
@@ -264,8 +264,8 @@ main(int argc, char *argv[])
        if ((control_fd = control_init(csock)) == -1)
                fatalx("control socket setup failed");
 
-       if ((frontend_routesock = socket(AF_ROUTE, SOCK_RAW | SOCK_CLOEXEC,
-           AF_INET)) == -1)
+       if ((frontend_routesock = socket(AF_ROUTE, SOCK_RAW | SOCK_CLOEXEC |
+           SOCK_NONBLOCK, 0)) == -1)
                fatal("route socket");
 
        rtfilter = ROUTE_FILTER(RTM_IFINFO) | ROUTE_FILTER(RTM_PROPOSAL)
@@ -276,7 +276,7 @@ main(int argc, char *argv[])
                fatal("setsockopt(ROUTE_MSGFILTER)");
 
        if ((routesock = socket(AF_ROUTE, SOCK_RAW | SOCK_CLOEXEC |
-           SOCK_NONBLOCK, AF_INET6)) == -1)
+           SOCK_NONBLOCK, 0)) == -1)
                fatal("route socket");
        shutdown(SHUT_RD, routesock);