From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 14 Jan 2017 17:01:12 +0000 (+0100)
Subject: trying to fix issue reported by Lurchi
X-Git-Tag: taler-0.2.1~449
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a74ce8e7ad39f892aead93d8e25c87d139108bde;p=oweals%2Fgnunet.git

trying to fix issue reported by Lurchi
---

diff --git a/src/transport/gnunet-service-transport_neighbours.c b/src/transport/gnunet-service-transport_neighbours.c
index d82112e03..e1e4f56f8 100644
--- a/src/transport/gnunet-service-transport_neighbours.c
+++ b/src/transport/gnunet-service-transport_neighbours.c
@@ -2236,6 +2236,14 @@ GST_neighbours_handle_session_syn (const struct GNUNET_MessageHeader *message,
   scm = (const struct TransportSynMessage *) message;
   GNUNET_break_op (0 == ntohl (scm->reserved));
   ts = GNUNET_TIME_absolute_ntoh (scm->timestamp);
+  if (0 ==
+      memcmp (&GST_my_identity,
+              peer,
+              sizeof (struct GNUNET_PeerIdentity)))
+  {
+    /* loopback connection-to-self, ignore */
+    return GNUNET_SYSERR;
+  }
   n = lookup_neighbour (peer);
   if (NULL == n)
   {