[GNUnet-SVN] r14010 - gnunet/src/transport

[gnunet]

Author: wachs
Date: 2010-12-21 17:43:55 +0100 (Tue, 21 Dec 2010)
New Revision: 14010

Modified:
   gnunet/src/transport/gnunet-service-transport.c
Log:
safety check


Modified: gnunet/src/transport/gnunet-service-transport.c
===================================================================
--- gnunet/src/transport/gnunet-service-transport.c     2010-12-21 16:24:39 UTC 
(rev 14009)
+++ gnunet/src/transport/gnunet-service-transport.c     2010-12-21 16:43:55 UTC 
(rev 14010)
@@ -4516,9 +4516,10 @@
       memcpy (&pong[1],
              plugin->short_name,
              slen);
-      memcpy (&((char*)&pong[1])[slen],
-             sender_address,
-             sender_address_len);
+      if ((sender_address!=NULL) && (sender_address_len > 0))
+                 memcpy (&((char*)&pong[1])[slen],
+                         sender_address,
+                         sender_address_len);
       if (GNUNET_TIME_absolute_get_remaining 
(session_header->pong_sig_expires).rel_value < 
PONG_SIGNATURE_LIFETIME.rel_value / 4)
        {
          /* create / update cached sig */