[tor-commits] [tor/release-0.2.4] Merge branch 'bug9072-023' into bug9072-024

[nickm@xxxxxxxxxxxxxx]

commit 9e45d940d466bcefcd1490fc2ae0e5a6298a846f
Merge: 8b6d0bd 2a95f31
Author: Andrea Shepard <andrea@xxxxxxxxxxxxxx>
Date:   Sat Jun 15 02:20:19 2013 -0700

    Merge branch 'bug9072-023' into bug9072-024

 changes/bug9072 |    3 +++
 src/or/relay.c  |    5 +++++
 2 files changed, 8 insertions(+)

diff --cc src/or/relay.c
index a26d418,fdb4bff..0f21663
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@@ -2474,18 -2540,22 +2474,22 @@@ append_cell_to_circuit_queue(circuit_t 
      return;
  
    if (direction == CELL_DIRECTION_OUT) {
 -    queue = &circ->n_conn_cells;
 -    streams_blocked = circ->streams_blocked_on_n_conn;
 +    queue = &circ->n_chan_cells;
 +    streams_blocked = circ->streams_blocked_on_n_chan;
    } else {
      orcirc = TO_OR_CIRCUIT(circ);
 -    queue = &orcirc->p_conn_cells;
 -    streams_blocked = circ->streams_blocked_on_p_conn;
 +    queue = &orcirc->p_chan_cells;
 +    streams_blocked = circ->streams_blocked_on_p_chan;
    }
  
+   /*
+    * Disabling this for now because of a possible guard discovery attack
+    */
+ #if 0
    /* Are we a middle circuit about to exceed ORCIRC_MAX_MIDDLE_CELLS? */
 -  if ((circ->n_conn != NULL) && CIRCUIT_IS_ORCIRC(circ)) {
 +  if ((circ->n_chan != NULL) && CIRCUIT_IS_ORCIRC(circ)) {
      orcirc = TO_OR_CIRCUIT(circ);
 -    if (orcirc->p_conn) {
 +    if (orcirc->p_chan) {
        if (queue->n + 1 >= ORCIRC_MAX_MIDDLE_CELLS) {
          /* Queueing this cell would put queue over the cap */
          log_warn(LD_CIRC,
@@@ -2505,8 -2570,9 +2509,9 @@@
        }
      }
    }
+ #endif
  
 -  cell_queue_append_packed_copy(queue, cell);
 +  cell_queue_append_packed_copy(queue, cell, chan->wide_circ_ids);
  
    /* If we have too many cells on the circuit, we should stop reading from
     * the edge streams for a while. */



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