tor

commit 94f3007627f4161ca4f1fb5e41f11cc8ff78ca2b
parent 16381b579ecd2a050d117765d51ead4b3c3ebbb9
Author: Nick Mathewson <nickm@torproject.org>
Date:   Wed, 13 Jun 2018 09:58:01 -0400

Merge branch 'bug26158_031' into maint-0.3.1

Diffstat:
A
changes/bug26158
 | 
5
+++++
M
src/or/circuitbuild.c
 | 
1
+

2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/changes/bug26158 b/changes/bug26158
@@ -0,0 +1,5 @@
+   o Minor bugfixes (relay):
+     - Relays now correctly block attempts to re-extend to the previous
+       relay by Ed25519 identity. Previously they would warn in this case,
+       but not actually reject the attempt. Fixes bug 26158; bugfix on
+       0.3.0.1-alpha.
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
@@ -1267,6 +1267,7 @@ circuit_extend(cell_t *cell, circuit_t *circ)
     log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL,
            "Client asked me to extend back to the previous hop "
            "(by Ed25519 ID).");
+    return -1;
   }
 
   n_chan = channel_get_for_extend((const char*)ec.node_id,