From: Roy Marples <roy@marples.name>
Date: Tue, 8 Nov 2016 22:43:13 +0000 (+0000)
Subject: Reject routes on Linux don't use a gateway.
X-Git-Tag: v7.0.0-beta1~119
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6c6cb1f4ece0ac672b226f46e45d57d10e95e7a;p=thirdparty%2Fdhcpcd.git

Reject routes on Linux don't use a gateway.
---

diff --git a/if-linux.c b/if-linux.c
index 4d0f61bd..8edc94ba 100644
--- a/if-linux.c
+++ b/if-linux.c
@@ -1165,7 +1165,10 @@ if_route(unsigned char cmd, const struct rt *rt)
 			nlm.rt.rtm_scope = RT_SCOPE_LINK;
 		else
 			nlm.rt.rtm_scope = RT_SCOPE_UNIVERSE;
-		nlm.rt.rtm_type = RTN_UNICAST;
+		if (rt->rt_flags & RTF_REJECT)
+			nlm.rt.rtm_type = RTN_UNREACHABLE;
+		else
+			nlm.rt.rtm_type = RTN_UNICAST;
 	}
 
 #define ADDSA(type, sa)							\
diff --git a/ipv6.c b/ipv6.c
index 4514bb98..3ed05263 100644
--- a/ipv6.c
+++ b/ipv6.c
@@ -2161,7 +2161,10 @@ inet6_makeprefix(struct interface *ifp, const struct ra *rap,
 	sa_in6_init(&rt->rt_netmask, &netmask);
 	if (addr->flags & IPV6_AF_DELEGATEDPFX) {
 		rt->rt_flags |= RTF_REJECT;
+		/* Linux does not like a gateway for a reject route. */
+#ifndef __linux__
 		sa_in6_init(&rt->rt_gateway, &in6addr_loopback);
+#endif
 	} else
 		rt->rt_gateway.sa_family = AF_UNSPEC;
 	sa_in6_init(&rt->rt_ifa, &addr->addr);