[tor-commits] [tor/master] bridges should use create_fast cells for their own circuits

arma at torproject.org arma at torproject.org
Wed Sep 28 19:38:09 UTC 2011


commit ff8aba7053728d5b8f51152e10d73a7535e495a3
Author: Roger Dingledine <arma at torproject.org>
Date:   Wed Sep 28 15:35:27 2011 -0400

    bridges should use create_fast cells for their own circuits
    
    fixes bug 4124, as noticed in bug 4115
---
 changes/bug4124       |    6 ++++++
 src/or/circuitbuild.c |    5 +++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/changes/bug4124 b/changes/bug4124
new file mode 100644
index 0000000..abe93cc
--- /dev/null
+++ b/changes/bug4124
@@ -0,0 +1,6 @@
+  o Security fixes:
+    - Bridges relays now build circuits for themselves in a more similar
+      way to how clients build them. Removes another avenue for
+      enumerating bridges. Fixes bug 4124; bugfix on 0.2.0.3-alpha,
+      when bridges were introduced.
+
diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c
index 888023d..c864fd2 100644
--- a/src/or/circuitbuild.c
+++ b/src/or/circuitbuild.c
@@ -1961,9 +1961,10 @@ should_use_create_fast_for_circuit(origin_circuit_t *circ)
     return 1; /* our hand is forced: only a create_fast will work. */
   if (!options->FastFirstHopPK)
     return 0; /* we prefer to avoid create_fast */
-  if (server_mode(options)) {
+  if (public_server_mode(options)) {
     /* We're a server, and we know an onion key. We can choose.
-     * Prefer to blend in. */
+     * Prefer to blend our circuit into the other circuits we are
+     * creating on behalf of others. */
     return 0;
   }
 





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