commit 8edd3d2b6c43bd5eb64d79177e6e4c44ca4fc618 Author: Nick Mathewson nickm@torproject.org Date: Wed Nov 23 08:02:48 2016 -0500

Don't call into the new guard algorithm when the old one is enabled.

(I'm surprised that these are the only bugs I ran into when I tested running with the old algorithm again!) --- src/or/circuitbuild.c | 5 ++++- src/or/circuituse.c | 3 ++- 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 2f4ce7a..16b53f6 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -965,7 +965,10 @@ circuit_send_next_onion_skin(origin_circuit_t *circ) if (!hop) { /* done building the circuit. whew. */ int r; - if (! circ->guard_state) { + if (get_options()->UseDeprecatedGuardAlgorithm) { + // The circuit is usable; we already marked the guard as okay. + r = 1; + } else if (! circ->guard_state) { if (circuit_get_cpath_len(circ) != 1) { log_warn(LD_BUG, "%d-hop circuit %p with purpose %d has no " "guard state", diff --git a/src/or/circuituse.c b/src/or/circuituse.c index d2a7f20..b9f94fb 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -1633,7 +1633,8 @@ circuit_build_failed(origin_circuit_t *circ) "Our circuit died before the first hop with no connection"); } if (n_chan_id && !already_marked) { - entry_guard_failed(get_guard_selection_info(), &circ->guard_state); + if (circ->guard_state) + entry_guard_failed(get_guard_selection_info(), &circ->guard_state); /* XXXX prop271 -- old API */ entry_guard_register_connect_status(n_chan_id, 0, 1, time(NULL)); /* if there are any one-hop streams waiting on this circuit, fail