commit 880c71304b6592fccd812315d8c27d234b694221 Author: Mike Perry mikeperry-git@fscked.org Date: Mon Aug 20 19:03:00 2012 -0700

Disable path bias accounting if we have no guards.

This should eliminate a lot of notices for Directory Authorities and other situations where circuits built without using guard nodes. --- src/or/circuitbuild.c | 21 ++++++++++++++++++++- 1 files changed, 20 insertions(+), 1 deletions(-)

diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 39a223b..35a32d8 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -2638,6 +2638,14 @@ pathbias_count_first_hop(origin_circuit_t *circ) RATELIM_INIT(FIRST_HOP_NOTICE_INTERVAL); char *rate_msg = NULL;

+ /* We can't do path bias accounting without entry guards. + * Testing and controller circuits also have no guards. */ + if (get_options()->UseEntryGuards == 0 || + circ->_base.purpose == CIRCUIT_PURPOSE_TESTING || + circ->_base.purpose == CIRCUIT_PURPOSE_CONTROLLER) { + return 0; + } + /* Completely ignore one hop circuits */ if (circ->build_state->onehop_tunnel) { tor_assert(circ->build_state->desired_path_len == 1); @@ -2732,6 +2740,14 @@ pathbias_count_success(origin_circuit_t *circ) RATELIM_INIT(SUCCESS_NOTICE_INTERVAL); char *rate_msg = NULL;

+ /* We can't do path bias accounting without entry guards. + * Testing and controller circuits also have no guards. */ + if (get_options()->UseEntryGuards == 0 || + circ->_base.purpose == CIRCUIT_PURPOSE_TESTING || + circ->_base.purpose == CIRCUIT_PURPOSE_CONTROLLER) { + return; + } + /* Ignore one hop circuits */ if (circ->build_state->onehop_tunnel) { tor_assert(circ->build_state->desired_path_len == 1); @@ -2770,7 +2786,10 @@ pathbias_count_success(origin_circuit_t *circ) guard->circuit_successes, guard->first_hops, guard->nickname, hex_str(guard->identity, DIGEST_LEN)); } - } else { + /* In rare cases, CIRCUIT_PURPOSE_TESTING can get converted to + * CIRCUIT_PURPOSE_C_MEASURE_TIMEOUT and have no guards here. + * No need to log that case. */ + } else if (circ->_base.purpose != CIRCUIT_PURPOSE_C_MEASURE_TIMEOUT) { if ((rate_msg = rate_limit_log(&success_notice_limit, approx_time()))) { log_notice(LD_BUG,