commit 92496a739aac44a537ee9062a4f0d71fba023156 Author: Nick Mathewson nickm@torproject.org Date: Wed Jan 24 13:49:15 2018 -0500

Also cache the protover summary in the routerinfo_t, if we're using that --- src/or/or.h | 3 +++ src/or/routerparse.c | 21 ++++++++++++++++----- 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/or/or.h b/src/or/or.h index 0be19fdbd..2ef27a99a 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2299,6 +2299,9 @@ typedef struct { * this routerinfo. Used only during voting. */ unsigned int omit_from_vote:1;

+ /** Flags to summarize the protocol versions for this routerinfo_t. */ + protover_summary_flags_t pv; + /** Tor can use this router for general positions in circuits; we got it * from a directory server as usual, or we're an authority and a server * uploaded it. */ diff --git a/src/or/routerparse.c b/src/or/routerparse.c index 1cbbb1728..54759c9a7 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -379,6 +379,10 @@ static int check_signature_token(const char *digest, int flags, const char *doctype);

+static void summarize_protover_flags(protover_summary_flags_t *out, + const char *protocols, + const char *version); + #undef DEBUG_AREA_ALLOC

#ifdef DEBUG_AREA_ALLOC @@ -1895,12 +1899,19 @@ router_parse_entry_from_string(const char *s, const char *end, } }

- if ((tok = find_opt_by_keyword(tokens, K_PLATFORM))) { - router->platform = tor_strdup(tok->args[0]); - } + { + const char *version = NULL, *protocols = NULL; + if ((tok = find_opt_by_keyword(tokens, K_PLATFORM))) { + router->platform = tor_strdup(tok->args[0]); + version = tok->args[0]; + } + + if ((tok = find_opt_by_keyword(tokens, K_PROTO))) { + router->protocol_list = tor_strdup(tok->args[0]); + protocols = tok->args[0]; + }

- if ((tok = find_opt_by_keyword(tokens, K_PROTO))) { - router->protocol_list = tor_strdup(tok->args[0]); + summarize_protover_flags(&router->pv, protocols, version); }

if ((tok = find_opt_by_keyword(tokens, K_CONTACT))) {