commit c4208ef65f58836670dab286bad0289259582124 Author: Roger Dingledine arma@torproject.org Date: Thu Mar 24 15:00:01 2016 -0400

dir auths only give Guard if they're giving Stable

This change allows us to simplify path selection for clients, and it should have minimal effect in practice since >99% of Guards already have the Stable flag. Implements ticket 18624. --- changes/feature18624 | 7 +++++++ src/or/dirserv.c | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/changes/feature18624 b/changes/feature18624 new file mode 100644 index 0000000..a3be90f --- /dev/null +++ b/changes/feature18624 @@ -0,0 +1,7 @@ + o Minor features: + - Directory authorities now only give the Guard flag to a relay if + they are also giving it the Stable flag. This change allows us to + simplify path selection for clients, and it should have minimal + effect in practice since >99% of Guards already have the Stable + flag. Implements ticket 18624. + diff --git a/src/or/dirserv.c b/src/or/dirserv.c index a045f3a..f012b7b 100644 --- a/src/or/dirserv.c +++ b/src/or/dirserv.c @@ -2200,7 +2200,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,

rs->is_valid = node->is_valid;

- if (node->is_fast && + if (node->is_fast && node->is_stable && ((options->AuthDirGuardBWGuarantee && routerbw_kb >= options->AuthDirGuardBWGuarantee/1000) || routerbw_kb >= MIN(guard_bandwidth_including_exits_kb,