From: Matthias Wachs <wachs@net.in.tum.de>
Date: Fri, 12 Jul 2013 14:15:37 +0000 (+0000)
Subject: important check
X-Git-Tag: initial-import-from-subversion-38251~8344
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3b36a778cb63ea83a0ccc711dfe0ce9ce7107026;p=oweals%2Fgnunet.git

important check
---

diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index 9c8c585de..925159a76 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -1562,6 +1562,15 @@ udp_plugin_get_session (void *cls,
 {
   struct Session * s = NULL;
 
+  if (NULL == address)
+  {
+  	GNUNET_break (0);
+  	return NULL;
+  }
+  if ((address->address_length != sizeof (struct IPv4UdpAddress)) &&
+  		(address->address_length != sizeof (struct IPv6UdpAddress)))
+  		return NULL;
+
   /* otherwise create new */
   if (NULL != (s = udp_plugin_lookup_session(cls, address)))
   	return s;