gnunet

commit 5afc3372aec888e2db988ad30a889c4bc842e5ac
parent 6f8fabef01d53234928a2c766fe19b0bbb00a2a2
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sun, 19 Feb 2017 00:28:17 +0100

trying to fix #4899

Diffstat:
M
src/cadet/gnunet-service-cadet-new_tunnels.c
 | 
17
+++++++++++++++--

1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/src/cadet/gnunet-service-cadet-new_tunnels.c b/src/cadet/gnunet-service-cadet-new_tunnels.c
@@ -3008,8 +3008,21 @@ GCT_handle_encrypted (struct CadetTConnection *ct,
   case CADET_TUNNEL_KEY_UNINITIALIZED:
   case CADET_TUNNEL_KEY_AX_RECV:
     /* We did not even SEND our KX, how can the other peer
-       send us encrypted data? */
-    GNUNET_break_op (0);
+       send us encrypted data? Must have been that we went
+       down and the other peer still things we are up.
+       Let's send it KX back. */
+    GNUNET_STATISTICS_update (stats,
+                              "# received encrypted without any KX",
+                              1,
+                              GNUNET_NO);
+    if (NULL != t->kx_task)
+    {
+      GNUNET_SCHEDULER_cancel (t->kx_task);
+      t->kx_task = NULL;
+    }
+    send_kx (t,
+             ct,
+             &t->ax);
     return;
   case CADET_TUNNEL_KEY_AX_SENT_AND_RECV:
     /* We send KX, and other peer send KX to us at the same time.