commit 9afd9d09404200ed149abeeaad9efd3a1542f7e0 Author: George Kadianakis desnacked@riseup.net Date: Thu Jul 1 17:52:58 2021 +0300

Special vanguard L3 increased path length does not apply for vanguards-lite

Co-authored-by: Mike Perry mikeperry-git@torproject.org --- src/core/or/circuitbuild.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/src/core/or/circuitbuild.c b/src/core/or/circuitbuild.c index c1667d7260..5cb647bd02 100644 --- a/src/core/or/circuitbuild.c +++ b/src/core/or/circuitbuild.c @@ -1359,7 +1359,9 @@ route_len_for_purpose(uint8_t purpose, extend_info_t *exit_ei) int routelen = DEFAULT_ROUTE_LEN; int known_purpose = 0;

- if (circuit_should_use_vanguards(purpose)) { + /* If we're using L3 vanguards, we need longer paths for onion services */ + if (circuit_purpose_is_hidden_service(purpose) && + get_options()->HSLayer3Nodes) { /* Clients want an extra hop for rends to avoid linkability. * Services want it for intro points to avoid publishing their * layer3 guards. They want it for hsdir posts to use @@ -1374,14 +1376,6 @@ route_len_for_purpose(uint8_t purpose, extend_info_t *exit_ei) purpose == CIRCUIT_PURPOSE_S_ESTABLISH_INTRO) return routelen+1;

- /* If we only have Layer2 vanguards, then we do not need - * the extra hop for linkabilty reasons (see below). - * This means all hops can be of the form: - * S/C - G - L2 - M - R/HSDir/I - */ - if (get_options()->HSLayer2Nodes && !get_options()->HSLayer3Nodes) - return routelen+1; - /* For connections to hsdirs, clients want two extra hops * when using layer3 guards, to avoid linkability. * Same goes for intro points. Note that the route len