From: Bart Polot <bart@net.in.tum.de>
Date: Tue, 24 Jan 2012 03:03:35 +0000 (+0000)
Subject: - Don't crash on bogus data from client
X-Git-Tag: initial-import-from-subversion-38251~15161
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f8d1558a5e6ede02e8c7f17d634d5d61f0e63e3f;p=oweals%2Fgnunet.git

- Don't crash on bogus data from client
---

diff --git a/src/mesh/gnunet-service-mesh.c b/src/mesh/gnunet-service-mesh.c
index b91fb3819..604ad52a9 100644
--- a/src/mesh/gnunet-service-mesh.c
+++ b/src/mesh/gnunet-service-mesh.c
@@ -3884,6 +3884,12 @@ handle_local_tunnel_destroy (void *cls, struct GNUNET_SERVER_Client *client,
   /* Remove from local id hashmap */
   GNUNET_CRYPTO_hash (&tid, sizeof (MESH_TunnelNumber), &hash);
   t = GNUNET_CONTAINER_multihashmap_get (c->own_tunnels, &hash);
+  if (NULL == t)
+  {
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+    return;
+  }
   send_client_tunnel_disconnect(t, c);
   if (c != t->owner)
   {