commit 84ab26c320151bde1fc52906266126aa8d7780a3 Author: teor (Tim Wilson-Brown) <teor2345@gmail.com> Date: Wed May 18 17:50:46 2016 -0400 Stop downloading consensuses when a consensus has been downloaded Previosuly, during bootstrap, we would continue to download consensuses if we had a consensus, but didn't have the certificates to validate it. --- src/or/networkstatus.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c index a9c8037..5e32003 100644 --- a/src/or/networkstatus.c +++ b/src/or/networkstatus.c @@ -1247,16 +1247,30 @@ networkstatus_get_reasonably_live_consensus(time_t now, int flavor) return NULL; } -/** Check if we're bootstrapping a consensus download. This means that we are - * only using the authorities and fallback directory mirrors to download the - * consensus flavour we'll use. */ +/** Check if we need to download a consensus during tor's bootstrap phase. + * If we have no consensus, or our consensus is unusably old, return 1. + * As soon as we have received a consensus, return 0, even if we don't have + * enough certificates to validate it. */ int networkstatus_consensus_is_bootstrapping(time_t now) { - /* If we don't have a consensus, we must still be bootstrapping */ - return !networkstatus_get_reasonably_live_consensus( - now, - usable_consensus_flavor()); + /* If we have a validated, reasonably live consensus, we're not + * bootstrapping a consensus at all. */ + if (networkstatus_get_reasonably_live_consensus( + now, + usable_consensus_flavor())) { + return 0; + } + + /* If we have a consensus, but we're waiting for certificates, + * we're not waiting for a consensus download while bootstrapping. */ + if (consensus_is_waiting_for_certs()) { + return 0; + } + + /* If we have no consensus, or our consensus is very old, we are + * bootstrapping, and we need to download a consensus. */ + return 1; } /** Check if we can use multiple directories for a consensus download.