Dont forward messages to isolated interfaces

Author: aanon4

src/olsr.c

@@ -106,7 +106,7 @@ void olsr_do_startup_sleep(void)
            sum_startup_sleep,max_startup_sleep);
   sleep(max_startup_sleep);
 #else /* OLSR_COLLECT_STARTUP_SLEEP */
-  if (sum_startup_sleep > 0) 
+  if (sum_startup_sleep > 0)
     printf("olsrd startup was delayed %i seconds due to various nasty error messages.\nYOU SHOULD REALLY FIX ABOVE PROBLEMS!\n",
            sum_startup_sleep);
 #endif /* OLSR_COLLECT_STARTUP_SLEEP */
@@ -389,6 +389,9 @@ olsr_forward_message(union olsr_message *m, struct interface_olsr *in_if, union
     /* do not forward TTL 1 messages to non-ether interfaces */
     if (is_ttl_1 && ifn->mode != IF_MODE_ETHER) continue;
 
+    /* do not forward messages to isolated interfaces */
+    if (ifn->olsr_if->cnf->is_isolated) continue;
+
     if (net_output_pending(ifn)) {
       /*
        * Check if message is to big to be piggybacked