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dgoulet pushed a commit to branch main in repository tor.

The following commit(s) were added to refs/heads/main by this push: new 36612b9bf8 vote AuthDirMaxServersPerAddr in consensus params new 73eab76e6d Merge branch 'maint-0.4.7' 36612b9bf8 is described below

commit 36612b9bf8f432ccfc5fc637dd86463b84ab4882 Author: Roger Dingledine arma@torproject.org AuthorDate: Sun Feb 12 15:50:55 2023 -0500

vote AuthDirMaxServersPerAddr in consensus params

Directory authorities now include their AuthDirMaxServersPerAddr config option in the consensus parameter section of their vote. Now external tools can better predict how they will behave.

In particular, the value should make its way to the https://consensus-health.torproject.org/#consensusparams page.

Once enough dir auths vote this param, they should also compute a consensus value for it in the consensus document. Nothing uses this consensus value yet, but we could imagine having dir auths consult it in the future.

Implements ticket 40753. --- changes/ticket40753 | 5 +++++ src/feature/dirauth/dirvote.c | 8 ++++++++ 2 files changed, 13 insertions(+)

diff --git a/changes/ticket40753 b/changes/ticket40753 new file mode 100644 index 0000000000..c5dc76b006 --- /dev/null +++ b/changes/ticket40753 @@ -0,0 +1,5 @@ + o Minor features (directory authorities): + - Directory authorities now include their AuthDirMaxServersPerAddr + config option in the consensus parameter section of their vote. Now + external tools can better predict how they will behave. Implements + ticket 40753. diff --git a/src/feature/dirauth/dirvote.c b/src/feature/dirauth/dirvote.c index 1bb4fd7de1..0591125d51 100644 --- a/src/feature/dirauth/dirvote.c +++ b/src/feature/dirauth/dirvote.c @@ -4878,6 +4878,14 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key, smartlist_split_string(v3_out->net_params, paramline->value, NULL, 0, 0); } + + /* for transparency and visibility, include our current value of + * AuthDirMaxServersPerAddr in our consensus params. Once enough dir + * auths do this, external tools should be able to use that value to + * help understand which relays are allowed into the consensus. */ + smartlist_add_asprintf(v3_out->net_params, "AuthDirMaxServersPerAddr=%d", + d_options->AuthDirMaxServersPerAddr); + smartlist_sort_strings(v3_out->net_params); } v3_out->bw_file_headers = bw_file_headers;