Overhaul dhcpcd for chrome os use

if-linux.c

Index: if-linux.c
diff --git a/if-linux.c b/if-linux.c
index d24b956e33be01ef6f3a43c59526926a0fa05f00..47bbd4aa6dec76db199d8104139e3786bd214ce6 100644
--- a/if-linux.c
+++ b/if-linux.c
@@ -151,67 +151,6 @@ err_netlink(struct nlmsghdr *nlm)
 }
 
 static int
-link_route(struct nlmsghdr *nlm)
-{
-	int len, idx, metric;
-	struct rtattr *rta;
-	struct rtmsg *rtm;
-	struct rt rt;
-	char ifn[IF_NAMESIZE + 1];
-
-	if (nlm->nlmsg_type != RTM_DELROUTE)
-		return 0;
-
-	len = nlm->nlmsg_len - sizeof(*nlm);
-	if ((size_t)len < sizeof(*rtm)) {
-		errno = EBADMSG;
-		return -1;
-	}
-	rtm = NLMSG_DATA(nlm);
-	if (rtm->rtm_type != RTN_UNICAST ||
-	    rtm->rtm_table != RT_TABLE_MAIN ||
-	    rtm->rtm_family != AF_INET ||
-	    nlm->nlmsg_pid == (uint32_t)getpid())
-		return 1;
-	rta = (struct rtattr *) ((char *)rtm + NLMSG_ALIGN(sizeof(*rtm)));
-	len = NLMSG_PAYLOAD(nlm, sizeof(*rtm));
-	rt.iface = NULL;
-	rt.dest.s_addr = INADDR_ANY;
-	rt.net.s_addr = INADDR_ANY;
-	rt.gate.s_addr = INADDR_ANY;
-	rt.next = NULL;
-	metric = 0;
-	while (RTA_OK(rta, len)) {
-		switch (rta->rta_type) {
-		case RTA_DST:
-			memcpy(&rt.dest.s_addr, RTA_DATA(rta),
-			    sizeof(rt.dest.s_addr));
-			break;
-		case RTA_GATEWAY:
-			memcpy(&rt.gate.s_addr, RTA_DATA(rta),
-			    sizeof(rt.gate.s_addr));
-			break;
-		case RTA_OIF:
-			idx = *(int *)RTA_DATA(rta);
-			if (if_indextoname(idx, ifn))
-				rt.iface = find_interface(ifn);
-			break;
-		case RTA_PRIORITY:
-			metric = *(int *)RTA_DATA(rta);
-			break;
-		}
-		rta = RTA_NEXT(rta, len);
-	}
-	if (rt.iface != NULL) {
-		if (metric == rt.iface->metric) {
-			inet_cidrtoaddr(rtm->rtm_dst_len, &rt.net);
-			route_deleted(&rt);
-		}
-	}
-	return 1;
-}
-
-static int
 link_addr(struct nlmsghdr *nlm)
 {
 	int len;
@@ -269,9 +208,6 @@ link_netlink(struct nlmsghdr *nlm)
 	struct ifinfomsg *ifi;
 	char ifn[IF_NAMESIZE + 1];
 
-	len = link_route(nlm);
-	if (len != 0)
-		return len;
 	len = link_addr(nlm);
 	if (len != 0)
 		return len;