commit d4d77b277e72c74a47bd724531426d7f561607e4 Author: Neel Chauhan neel@neelc.org Date: Wed Apr 3 11:36:52 2019 -0400

Stop setting bridges running in networkstatus_getinfo_by_purpose() --- changes/bug24490 | 5 +++++ scripts/maint/practracker/exceptions.txt | 6 +++--- src/core/mainloop/mainloop.c | 25 +++++++++++++++++++++++++ src/feature/nodelist/networkstatus.c | 4 ---- 4 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/changes/bug24490 b/changes/bug24490 new file mode 100644 index 000000000..9ae09dbd1 --- /dev/null +++ b/changes/bug24490 @@ -0,0 +1,5 @@ + o Minor bugfixes (bridge authority): + - We set bridges as running in a callback which runs every 5 minutes. + Previously, we set bridges as running in a GETINFO controller as + these shouldn't modify vital data structures. Fixes bug 24490; + bugfix on 0.2.0.13-alpha. Patch by Neel Chauhan diff --git a/scripts/maint/practracker/exceptions.txt b/scripts/maint/practracker/exceptions.txt index ad5d3e972..a9fcf9095 100644 --- a/scripts/maint/practracker/exceptions.txt +++ b/scripts/maint/practracker/exceptions.txt @@ -67,11 +67,11 @@ problem function-size /src/core/mainloop/connection.c:connection_handle_read_imp problem function-size /src/core/mainloop/connection.c:connection_buf_read_from_socket() 177 problem function-size /src/core/mainloop/connection.c:connection_handle_write_impl() 241 problem function-size /src/core/mainloop/connection.c:assert_connection_ok() 143 -problem file-size /src/core/mainloop/mainloop.c 3051 -problem include-count /src/core/mainloop/mainloop.c 66 +problem file-size /src/core/mainloop/mainloop.c 3076 +problem include-count /src/core/mainloop/mainloop.c 68 problem function-size /src/core/mainloop/mainloop.c:conn_close_if_marked() 108 problem function-size /src/core/mainloop/mainloop.c:run_connection_housekeeping() 123 -problem function-size /src/core/mainloop/mainloop.c:CALLBACK() 116 +problem function-size /src/core/mainloop/mainloop.c:CALLBACK() 118 problem file-size /src/core/or/channel.c 3476 problem function-size /src/core/or/channeltls.c:channel_tls_handle_var_cell() 160 problem function-size /src/core/or/channeltls.c:channel_tls_process_versions_cell() 170 diff --git a/src/core/mainloop/mainloop.c b/src/core/mainloop/mainloop.c index c9f2b0d89..800304a73 100644 --- a/src/core/mainloop/mainloop.c +++ b/src/core/mainloop/mainloop.c @@ -76,6 +76,7 @@ #include "feature/control/control_events.h" #include "feature/dirauth/authmode.h" #include "feature/dirauth/reachability.h" +#include "feature/dirauth/voteflags.h" #include "feature/dircache/consdiffmgr.h" #include "feature/dircache/dirserv.h" #include "feature/dircommon/directory.h" @@ -87,6 +88,7 @@ #include "feature/nodelist/networkstatus.h" #include "feature/nodelist/nodelist.h" #include "feature/nodelist/routerlist.h" +#include "feature/nodelist/routerlist_st.h" #include "feature/relay/dns.h" #include "feature/relay/routerkeys.h" #include "feature/relay/routermode.h" @@ -1375,6 +1377,7 @@ CALLBACK(rotate_onion_key); CALLBACK(rotate_x509_certificate); CALLBACK(save_stability); CALLBACK(save_state); +CALLBACK(set_bridge_running); CALLBACK(write_bridge_ns); CALLBACK(write_stats_file); CALLBACK(control_per_second_events); @@ -1453,6 +1456,7 @@ STATIC periodic_event_item_t periodic_events[] = {

/* Bridge Authority only. */ CALLBACK(write_bridge_ns, BRIDGEAUTH, 0), + CALLBACK(set_bridge_running, BRIDGEAUTH, 0),

/* Directory server only. */ CALLBACK(clean_consdiffmgr, DIRSERVER, 0), @@ -2583,6 +2587,27 @@ write_bridge_ns_callback(time_t now, const or_options_t *options) return PERIODIC_EVENT_NO_UPDATE; }

+/** + * Periodic callback: if we're the bridge authority, set the running flag on + * bridges if they're reachable + */ +static int +set_bridge_running_callback(time_t now, const or_options_t *options) +{ + if (options->BridgeAuthoritativeDir) { + routerlist_t *rl = router_get_routerlist(); + + SMARTLIST_FOREACH_BEGIN(rl->routers, routerinfo_t *, ri) { + if (ri->purpose == ROUTER_PURPOSE_BRIDGE) + dirserv_set_router_is_running(ri, now); + } SMARTLIST_FOREACH_END(ri); + +#define SET_BRIDGES_RUNNING_INTERVAL (3*60) + return SET_BRIDGES_RUNNING_INTERVAL; + } + return PERIODIC_EVENT_NO_UPDATE; +} + static int heartbeat_callback_first_time = 1;

/** diff --git a/src/feature/nodelist/networkstatus.c b/src/feature/nodelist/networkstatus.c index ea9f12367..bc12fa407 100644 --- a/src/feature/nodelist/networkstatus.c +++ b/src/feature/nodelist/networkstatus.c @@ -2378,7 +2378,6 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now) smartlist_t *statuses; const uint8_t purpose = router_purpose_from_string(purpose_string); routerstatus_t rs; - const int bridge_auth = authdir_mode_bridge(get_options());

if (purpose == ROUTER_PURPOSE_UNKNOWN) { log_info(LD_DIR, "Unrecognized purpose '%s' when listing router statuses.", @@ -2395,9 +2394,6 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now) continue; if (ri->purpose != purpose) continue; - /* TODO: modifying the running flag in a getinfo is a bad idea */ - if (bridge_auth && ri->purpose == ROUTER_PURPOSE_BRIDGE) - dirserv_set_router_is_running(ri, now); /* then generate and write out status lines for each of them */ set_routerstatus_from_routerinfo(&rs, node, ri, now, 0); smartlist_add(statuses, networkstatus_getinfo_helper_single(&rs));