dhcp: Fix classless link local static routes (#161)

Detecting host routes based on address comparison is not needed in
classless routes as /32 mask can be explicitly used. This detecting
mechanism did cause issues when gateway was set to 0.0.0.0 (link local
routes).

diff --git a/src/dhcp.c b/src/dhcp.c
index 39839562645f38305ee18249db23f33723c49a96..68411864641ea6cba52eef781134616cb9c9fa3a 100644 (file)
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -442,15 +442,6 @@ decode_rfc3442_rt(rb_tree_t *routes, struct interface *ifp,
                memcpy(&gateway.s_addr, p, 4);
                p += 4;
 
-               /* An on-link host route is normally set by having the
-                * gateway match the destination or assigned address */
-               if (gateway.s_addr == dest.s_addr ||
-                   (gateway.s_addr == bootp->yiaddr ||
-                   gateway.s_addr == bootp->ciaddr))
-               {
-                       gateway.s_addr = INADDR_ANY;
-                       netmask.s_addr = INADDR_BROADCAST;
-               }
                if (netmask.s_addr == INADDR_BROADCAST)
                        rt->rt_flags = RTF_HOST;