Don't return zero-length packets when receiving multicast loopback packets.

[tinc] / src / multicast_device.c

diff --git a/src/multicast_device.c b/src/multicast_device.c
index e58d293..600b77c 100644 (file)
--- a/src/multicast_device.c
+++ b/src/multicast_device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- multicast socket
     Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2012 Guus Sliepen <guus@tinc-vpn.org>
+                  2002-2013 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -136,8 +136,6 @@ static bool setup_device(void) {
                        goto error;
        }
 
-       freeaddrinfo(ai);
-
        logger(DEBUG_ALWAYS, LOG_INFO, "%s is a %s", device, device_info);
 
        return true;
@@ -173,8 +171,7 @@ static bool read_packet(vpn_packet_t *packet) {
 
        if(!memcmp(&ignore_src, packet->data + 6, sizeof ignore_src)) {
                logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Ignoring loopback packet of %d bytes from %s", lenin, device_info);
-               packet->len = 0;
-               return true;
+               return false;
        }
 
        packet->len = lenin;