sun: Use lo0 if we can't find an interface for our route

We need to operate on the route, and dhcpcd needs an interface for
each route. This seems to work for now.

diff --git a/src/if-sun.c b/src/if-sun.c
index 942b283237f74f7e7acdc8e0d19eca5a1041d2b0..d65347550240cb41fb7473b19c82989a1bb5a916 100644 (file)
--- a/src/if-sun.c
+++ b/src/if-sun.c
@@ -1012,7 +1012,6 @@ if_plumbif(const struct dhcpcd_ctx *ctx, int af, const char *ifname)
        }
 
 done:
-       logerrx("plumb %d %d %d", mux_fd, fd, arp_fd);
        retval = 0;
 
 out:
@@ -1263,8 +1262,11 @@ if_walkrt(struct dhcpcd_ctx *ctx, char *data, size_t len)
                         * This sucks, so we need to call RTM_GET to
                         * work out the interface. */
                        if (if_route_get(ctx, &rt) == NULL) {
-                               logerr(__func__);
-                               continue;
+                               rt.rt_ifp = if_loopback(ctx);
+                               if (rt.rt_ifp == NULL) {
+                                       logerr(__func__);
+                                       continue;
+                               }
                        }
                        if_finishrt(ctx, &rt);
                }
@@ -1319,8 +1321,11 @@ if_walkrt6(struct dhcpcd_ctx *ctx, char *data, size_t len)
                         * This sucks, so we need to call RTM_GET to
                         * work out the interface. */
                        if (if_route_get(ctx, &rt) == NULL) {
-                               logerr(__func__);
-                               continue;
+                               rt.rt_ifp = if_loopback(ctx);
+                               if (rt.rt_ifp == NULL) {
+                                       logerr(__func__);
+                                       continue;
+                               }
                        }
                        if_finishrt(ctx, &rt);
                }