From: Roy Marples <roy@marples.name>
Date: Mon, 2 Sep 2019 11:07:03 +0000 (+0100)
Subject: BSD: RTM_MISS doesn't always have a gateway
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6a5e6c5e34a3264680cd79ff55dba6bd6df3959;p=thirdparty%2Fdhcpcd.git

BSD: RTM_MISS doesn't always have a gateway

And thus no interface to bind to.
Use lo0 in this case.
---

diff --git a/src/if-bsd.c b/src/if-bsd.c
index 2a7d677d..8348d42d 100644
--- a/src/if-bsd.c
+++ b/src/if-bsd.c
@@ -707,6 +707,9 @@ if_copyrt(struct dhcpcd_ctx *ctx, struct rt *rt, const struct rt_msghdr *rtm)
 	else
 		rt->rt_ifp = if_findsa(ctx, rti_info[RTAX_DST]);
 
+	if (rt->rt_ifp == NULL && rtm->rtm_type == RTM_MISS)
+		rt->rt_ifp = if_find(ctx->ifaces, "lo0");
+
 	if (rt->rt_ifp == NULL) {
 		errno = ESRCH;
 		return -1;