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[tor-commits] [tor/master] Move voteflags.[ch] to become dirauth only.
commit 6f42efaa5926a2f1be89e3b591311f2130931db8
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Tue Apr 30 12:42:33 2019 -0400
Move voteflags.[ch] to become dirauth only.
For various reasons, this was a nontrivial movement. There are
several places in the code where we do something like "update the
flags on this routerstatus or node if we're an authority", and at
least one where we pretended to be an authority when we weren't.
---
src/core/include.am | 9 ++--
src/core/mainloop/mainloop.c | 21 +-------
src/feature/control/fmt_serverstatus.c | 1 -
src/feature/dirauth/bridgeauth.c | 55 +++++++++++++++++++++
src/feature/dirauth/bridgeauth.h | 12 +++++
src/feature/dirauth/dirauth_periodic.c | 19 ++++++++
src/feature/dirauth/dirvote.c | 4 +-
src/feature/dirauth/voteflags.c | 66 +++++++++-----------------
src/feature/dirauth/voteflags.h | 12 +++--
src/feature/nodelist/networkstatus.c | 87 +++++++++++++++++-----------------
src/feature/nodelist/networkstatus.h | 5 +-
src/test/test_voting_flags.c | 2 +-
12 files changed, 173 insertions(+), 120 deletions(-)
diff --git a/src/core/include.am b/src/core/include.am
index 6367b0197..63d426421 100644
--- a/src/core/include.am
+++ b/src/core/include.am
@@ -153,8 +153,8 @@ LIBTOR_APP_A_SOURCES = \
# These should eventually move into module_dirauth_sources, but for now
# the separation is only in the code location.
LIBTOR_APP_A_SOURCES += \
- src/feature/dirauth/bwauth.c \
- src/feature/dirauth/voteflags.c
+ src/feature/dirauth/bwauth.c
+
if BUILD_NT_SERVICES
LIBTOR_APP_A_SOURCES += src/app/main/ntmain.c
@@ -171,6 +171,7 @@ LIBTOR_APP_TESTING_A_SOURCES = $(LIBTOR_APP_A_SOURCES)
# The Directory Authority module.
MODULE_DIRAUTH_SOURCES = \
src/feature/dirauth/authmode.c \
+ src/feature/dirauth/bridgeauth.c \
src/feature/dirauth/dirauth_periodic.c \
src/feature/dirauth/dirauth_sys.c \
src/feature/dirauth/dircollate.c \
@@ -181,7 +182,8 @@ MODULE_DIRAUTH_SOURCES = \
src/feature/dirauth/reachability.c \
src/feature/dirauth/recommend_pkg.c \
src/feature/dirauth/shared_random.c \
- src/feature/dirauth/shared_random_state.c
+ src/feature/dirauth/shared_random_state.c \
+ src/feature/dirauth/voteflags.c
if BUILD_MODULE_DIRAUTH
LIBTOR_APP_A_SOURCES += $(MODULE_DIRAUTH_SOURCES)
@@ -310,6 +312,7 @@ noinst_HEADERS += \
src/feature/control/fmt_serverstatus.h \
src/feature/control/getinfo_geoip.h \
src/feature/dirauth/authmode.h \
+ src/feature/dirauth/bridgeauth.h \
src/feature/dirauth/bwauth.h \
src/feature/dirauth/dirauth_periodic.h \
src/feature/dirauth/dirauth_sys.h \
diff --git a/src/core/mainloop/mainloop.c b/src/core/mainloop/mainloop.c
index 30dad956a..eb875df02 100644
--- a/src/core/mainloop/mainloop.c
+++ b/src/core/mainloop/mainloop.c
@@ -75,6 +75,7 @@
#include "feature/control/control.h"
#include "feature/control/control_events.h"
#include "feature/dirauth/authmode.h"
+#include "feature/dirauth/bridgeauth.h"
#include "feature/dircache/consdiffmgr.h"
#include "feature/dircache/dirserv.h"
#include "feature/dircommon/directory.h"
@@ -1366,7 +1367,6 @@ CALLBACK(retry_listeners);
CALLBACK(rotate_onion_key);
CALLBACK(rotate_x509_certificate);
CALLBACK(save_state);
-CALLBACK(write_bridge_ns);
CALLBACK(write_stats_file);
CALLBACK(control_per_second_events);
CALLBACK(second_elapsed);
@@ -1433,9 +1433,6 @@ STATIC periodic_event_item_t mainloop_periodic_events[] = {
/* XXXX this could be restricted to CLIENT+NET_PARTICIPANT */
CALLBACK(rend_cache_failure_clean, NET_PARTICIPANT, FL(RUN_ON_DISABLE)),
- /* Bridge Authority only. */
- CALLBACK(write_bridge_ns, BRIDGEAUTH, 0),
-
/* Directory server only. */
CALLBACK(clean_consdiffmgr, DIRSERVER, 0),
@@ -2369,22 +2366,6 @@ check_dns_honesty_callback(time_t now, const or_options_t *options)
return 12*3600 + crypto_rand_int(12*3600);
}
-/**
- * Periodic callback: if we're the bridge authority, write a networkstatus
- * file to disk.
- */
-static int
-write_bridge_ns_callback(time_t now, const or_options_t *options)
-{
- /* 10. write bridge networkstatus file to disk */
- if (options->BridgeAuthoritativeDir) {
- networkstatus_dump_bridge_status_to_file(now);
-#define BRIDGE_STATUSFILE_INTERVAL (30*60)
- return BRIDGE_STATUSFILE_INTERVAL;
- }
- return PERIODIC_EVENT_NO_UPDATE;
-}
-
static int heartbeat_callback_first_time = 1;
/**
diff --git a/src/feature/control/fmt_serverstatus.c b/src/feature/control/fmt_serverstatus.c
index d224a1d23..a80bf50ad 100644
--- a/src/feature/control/fmt_serverstatus.c
+++ b/src/feature/control/fmt_serverstatus.c
@@ -76,7 +76,6 @@ list_server_status_v1(smartlist_t *routers, char **router_status_out,
SMARTLIST_FOREACH_BEGIN(routers, routerinfo_t *, ri) {
const node_t *node = node_get_by_id(ri->cache_info.identity_digest);
tor_assert(node);
-
if (for_controller) {
char name_buf[MAX_VERBOSE_NICKNAME_LEN+2];
char *cp = name_buf;
diff --git a/src/feature/dirauth/bridgeauth.c b/src/feature/dirauth/bridgeauth.c
new file mode 100644
index 000000000..4aaefc7a6
--- /dev/null
+++ b/src/feature/dirauth/bridgeauth.c
@@ -0,0 +1,55 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "core/or/or.h"
+#include "feature/dirauth/bridgeauth.h"
+#include "feature/dirauth/voteflags.h"
+#include "feature/nodelist/networkstatus.h"
+#include "feature/relay/router.h"
+#include "app/config/config.h"
+
+#include "feature/nodelist/routerinfo_st.h"
+
+/** Write out router status entries for all our bridge descriptors. Here, we
+ * also mark routers as running. */
+void
+bridgeauth_dump_bridge_status_to_file(time_t now)
+{
+ char *status;
+ char *fname = NULL;
+ char *thresholds = NULL;
+ char *published_thresholds_and_status = NULL;
+ char published[ISO_TIME_LEN+1];
+ const routerinfo_t *me = router_get_my_routerinfo();
+ char fingerprint[FINGERPRINT_LEN+1];
+ char *fingerprint_line = NULL;
+
+ dirserv_set_bridges_running(now);
+ status = networkstatus_getinfo_by_purpose("bridge", now);
+
+ if (me && crypto_pk_get_fingerprint(me->identity_pkey,
+ fingerprint, 0) >= 0) {
+ tor_asprintf(&fingerprint_line, "fingerprint %s\n", fingerprint);
+ } else {
+ log_warn(LD_BUG, "Error computing fingerprint for bridge status.");
+ }
+ format_iso_time(published, now);
+ dirserv_compute_bridge_flag_thresholds();
+ thresholds = dirserv_get_flag_thresholds_line();
+ tor_asprintf(&published_thresholds_and_status,
+ "published %s\nflag-thresholds %s\n%s%s",
+ published, thresholds, fingerprint_line ? fingerprint_line : "",
+ status);
+ fname = get_datadir_fname("networkstatus-bridges");
+ if (write_str_to_file(fname,published_thresholds_and_status,0)<0) {
+ log_warn(LD_DIRSERV, "Unable to write networkstatus-bridges file.");
+ }
+ tor_free(thresholds);
+ tor_free(published_thresholds_and_status);
+ tor_free(fname);
+ tor_free(status);
+ tor_free(fingerprint_line);
+}
diff --git a/src/feature/dirauth/bridgeauth.h b/src/feature/dirauth/bridgeauth.h
new file mode 100644
index 000000000..cc80fd637
--- /dev/null
+++ b/src/feature/dirauth/bridgeauth.h
@@ -0,0 +1,12 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef TOR_DIRAUTH_BRIDGEAUTH_H
+#define TOR_DIRAUTH_BRIDGEAUTH_H
+
+void bridgeauth_dump_bridge_status_to_file(time_t now);
+
+#endif
diff --git a/src/feature/dirauth/dirauth_periodic.c b/src/feature/dirauth/dirauth_periodic.c
index cfbb156b9..02727d61b 100644
--- a/src/feature/dirauth/dirauth_periodic.c
+++ b/src/feature/dirauth/dirauth_periodic.c
@@ -11,6 +11,7 @@
#include "feature/dirauth/reachability.h"
#include "feature/stats/rephist.h"
+#include "feature/dirauth/bridgeauth.h"
#include "feature/dirauth/dirvote.h"
#include "feature/dirauth/dirauth_periodic.h"
#include "feature/dirauth/authmode.h"
@@ -131,6 +132,23 @@ downrate_stability_callback(time_t now, const or_options_t *options)
DECLARE_EVENT(downrate_stability, AUTHORITIES, 0);
+/**
+ * Periodic callback: if we're the bridge authority, write a networkstatus
+ * file to disk.
+ */
+static int
+write_bridge_ns_callback(time_t now, const or_options_t *options)
+{
+ if (options->BridgeAuthoritativeDir) {
+ bridgeauth_dump_bridge_status_to_file(now);
+#define BRIDGE_STATUSFILE_INTERVAL (30*60)
+ return BRIDGE_STATUSFILE_INTERVAL;
+ }
+ return PERIODIC_EVENT_NO_UPDATE;
+}
+
+DECLARE_EVENT(write_bridge_ns, BRIDGEAUTH, 0);
+
void
dirauth_register_periodic_events(void)
{
@@ -139,4 +157,5 @@ dirauth_register_periodic_events(void)
periodic_events_register(&save_stability_event);
periodic_events_register(&check_authority_cert_event);
periodic_events_register(&dirvote_event);
+ periodic_events_register(&write_bridge_ns_event);
}
diff --git a/src/feature/dirauth/dirvote.c b/src/feature/dirauth/dirvote.c
index 1f861d241..38b583c46 100644
--- a/src/feature/dirauth/dirvote.c
+++ b/src/feature/dirauth/dirvote.c
@@ -4545,8 +4545,8 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
- set_routerstatus_from_routerinfo(rs, node, ri, now,
- listbadexits);
+ dirauth_set_routerstatus_from_routerinfo(rs, node, ri, now,
+ listbadexits);
if (ri->cache_info.signing_key_cert) {
memcpy(vrs->ed25519_id,
diff --git a/src/feature/dirauth/voteflags.c b/src/feature/dirauth/voteflags.c
index 957ebe4a4..f552af98c 100644
--- a/src/feature/dirauth/voteflags.c
+++ b/src/feature/dirauth/voteflags.c
@@ -546,38 +546,31 @@ should_publish_node_ipv6(const node_t *node, const routerinfo_t *ri,
router_is_me(ri));
}
-/** Extract status information from <b>ri</b> and from other authority
- * functions and store it in <b>rs</b>. <b>rs</b> is zeroed out before it is
- * set.
- *
- * We assume that ri-\>is_running has already been set, e.g. by
- * dirserv_set_router_is_running(ri, now);
+/**
+ * Extract status information from <b>ri</b> and from other authority
+ * functions and store it in <b>rs</b>, as per
+ * <b>set_routerstatus_from_routerinfo</b>. Additionally, sets information
+ * in from the authority subsystem.
*/
void
-set_routerstatus_from_routerinfo(routerstatus_t *rs,
- node_t *node,
- const routerinfo_t *ri,
- time_t now,
- int listbadexits)
+dirauth_set_routerstatus_from_routerinfo(routerstatus_t *rs,
+ node_t *node,
+ const routerinfo_t *ri,
+ time_t now,
+ int listbadexits)
{
const or_options_t *options = get_options();
uint32_t routerbw_kb = dirserv_get_credible_bandwidth_kb(ri);
- memset(rs, 0, sizeof(routerstatus_t));
-
- rs->is_authority =
- router_digest_is_trusted_dir(ri->cache_info.identity_digest);
-
- /* Already set by compute_performance_thresholds. */
- rs->is_exit = node->is_exit;
- rs->is_stable = node->is_stable =
- !dirserv_thinks_router_is_unreliable(now, ri, 1, 0);
- rs->is_fast = node->is_fast =
- !dirserv_thinks_router_is_unreliable(now, ri, 0, 1);
- rs->is_flagged_running = node->is_running; /* computed above */
+ /* Set these flags so that set_routerstatus_from_routerinfo can copy them.
+ */
+ node->is_stable = !dirserv_thinks_router_is_unreliable(now, ri, 1, 0);
+ node->is_fast = !dirserv_thinks_router_is_unreliable(now, ri, 0, 1);
+ node->is_hs_dir = dirserv_thinks_router_is_hs_dir(ri, node, now);
- rs->is_valid = node->is_valid;
+ set_routerstatus_from_routerinfo(rs, node, ri);
+ /* Override rs->is_possible_guard. */
if (node->is_fast && node->is_stable &&
ri->supports_tunnelled_dir_requests &&
((options->AuthDirGuardBWGuarantee &&
@@ -593,31 +586,16 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
rs->is_possible_guard = 0;
}
+ /* Override rs->is_bad_exit */
rs->is_bad_exit = listbadexits && node->is_bad_exit;
- rs->is_hs_dir = node->is_hs_dir =
- dirserv_thinks_router_is_hs_dir(ri, node, now);
-
- rs->is_named = rs->is_unnamed = 0;
-
- rs->published_on = ri->cache_info.published_on;
- memcpy(rs->identity_digest, node->identity, DIGEST_LEN);
- memcpy(rs->descriptor_digest, ri->cache_info.signed_descriptor_digest,
- DIGEST_LEN);
- rs->addr = ri->addr;
- strlcpy(rs->nickname, ri->nickname, sizeof(rs->nickname));
- rs->or_port = ri->or_port;
- rs->dir_port = ri->dir_port;
- rs->is_v2_dir = ri->supports_tunnelled_dir_requests;
+ /* Set rs->is_staledesc. */
rs->is_staledesc =
(ri->cache_info.published_on + DESC_IS_STALE_INTERVAL) < now;
- if (should_publish_node_ipv6(node, ri, now)) {
- /* We're configured as having IPv6 connectivity. There's an IPv6
- OR port and it's reachable so copy it to the routerstatus. */
- tor_addr_copy(&rs->ipv6_addr, &ri->ipv6_addr);
- rs->ipv6_orport = ri->ipv6_orport;
- } else {
+ if (! should_publish_node_ipv6(node, ri, now)) {
+ /* We're not configured as having IPv6 connectivity or the node isn't:
+ * zero its IPv6 information. */
tor_addr_make_null(&rs->ipv6_addr, AF_INET6);
rs->ipv6_orport = 0;
}
diff --git a/src/feature/dirauth/voteflags.h b/src/feature/dirauth/voteflags.h
index 18b29a518..ee809a290 100644
--- a/src/feature/dirauth/voteflags.h
+++ b/src/feature/dirauth/voteflags.h
@@ -12,18 +12,20 @@
#ifndef TOR_VOTEFLAGS_H
#define TOR_VOTEFLAGS_H
+#ifdef HAVE_MODULE_DIRAUTH
void dirserv_set_router_is_running(routerinfo_t *router, time_t now);
char *dirserv_get_flag_thresholds_line(void);
void dirserv_compute_bridge_flag_thresholds(void);
int running_long_enough_to_decide_unreachable(void);
-void set_routerstatus_from_routerinfo(routerstatus_t *rs,
- node_t *node,
- const routerinfo_t *ri,
- time_t now,
- int listbadexits);
+void dirauth_set_routerstatus_from_routerinfo(routerstatus_t *rs,
+ node_t *node,
+ const routerinfo_t *ri,
+ time_t now,
+ int listbadexits);
void dirserv_compute_performance_thresholds(digestmap_t *omit_as_sybil);
+#endif
void dirserv_set_bridges_running(time_t now);
diff --git a/src/feature/nodelist/networkstatus.c b/src/feature/nodelist/networkstatus.c
index 22fef8108..c7e337309 100644
--- a/src/feature/nodelist/networkstatus.c
+++ b/src/feature/nodelist/networkstatus.c
@@ -2366,6 +2366,49 @@ networkstatus_getinfo_helper_single(const routerstatus_t *rs)
NULL);
}
+/**
+ * Extract status information from <b>ri</b> and from other authority
+ * functions and store it in <b>rs</b>. <b>rs</b> is zeroed out before it is
+ * set.
+ *
+ * We assume that node-\>is_running has already been set, e.g. by
+ * dirserv_set_router_is_running(ri, now);
+ */
+void
+set_routerstatus_from_routerinfo(routerstatus_t *rs,
+ const node_t *node,
+ const routerinfo_t *ri)
+{
+ memset(rs, 0, sizeof(routerstatus_t));
+
+ rs->is_authority =
+ router_digest_is_trusted_dir(ri->cache_info.identity_digest);
+
+ /* Set by compute_performance_thresholds or from consensus */
+ rs->is_exit = node->is_exit;
+ rs->is_stable = node->is_stable;
+ rs->is_fast = node->is_fast;
+ rs->is_flagged_running = node->is_running;
+ rs->is_valid = node->is_valid;
+ rs->is_possible_guard = node->is_possible_guard;
+ rs->is_bad_exit = node->is_bad_exit;
+ rs->is_hs_dir = node->is_hs_dir;
+ rs->is_named = rs->is_unnamed = 0;
+
+ rs->published_on = ri->cache_info.published_on;
+ memcpy(rs->identity_digest, node->identity, DIGEST_LEN);
+ memcpy(rs->descriptor_digest, ri->cache_info.signed_descriptor_digest,
+ DIGEST_LEN);
+ rs->addr = ri->addr;
+ strlcpy(rs->nickname, ri->nickname, sizeof(rs->nickname));
+ rs->or_port = ri->or_port;
+ rs->dir_port = ri->dir_port;
+ rs->is_v2_dir = ri->supports_tunnelled_dir_requests;
+
+ tor_addr_copy(&rs->ipv6_addr, &ri->ipv6_addr);
+ rs->ipv6_orport = ri->ipv6_orport;
+}
+
/** Alloc and return a string describing routerstatuses for the most
* recent info of each router we know about that is of purpose
* <b>purpose_string</b>. Return NULL if unrecognized purpose.
@@ -2398,8 +2441,7 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now)
continue;
if (ri->purpose != purpose)
continue;
- /* then generate and write out status lines for each of them */
- set_routerstatus_from_routerinfo(&rs, node, ri, now, 0);
+ set_routerstatus_from_routerinfo(&rs, node, ri);
smartlist_add(statuses, networkstatus_getinfo_helper_single(&rs));
} SMARTLIST_FOREACH_END(ri);
@@ -2409,47 +2451,6 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now)
return answer;
}
-/** Write out router status entries for all our bridge descriptors. Here, we
- * also mark routers as running. */
-void
-networkstatus_dump_bridge_status_to_file(time_t now)
-{
- char *status;
- char *fname = NULL;
- char *thresholds = NULL;
- char *published_thresholds_and_status = NULL;
- char published[ISO_TIME_LEN+1];
- const routerinfo_t *me = router_get_my_routerinfo();
- char fingerprint[FINGERPRINT_LEN+1];
- char *fingerprint_line = NULL;
-
- dirserv_set_bridges_running(now);
- status = networkstatus_getinfo_by_purpose("bridge", now);
-
- if (me && crypto_pk_get_fingerprint(me->identity_pkey,
- fingerprint, 0) >= 0) {
- tor_asprintf(&fingerprint_line, "fingerprint %s\n", fingerprint);
- } else {
- log_warn(LD_BUG, "Error computing fingerprint for bridge status.");
- }
- format_iso_time(published, now);
- dirserv_compute_bridge_flag_thresholds();
- thresholds = dirserv_get_flag_thresholds_line();
- tor_asprintf(&published_thresholds_and_status,
- "published %s\nflag-thresholds %s\n%s%s",
- published, thresholds, fingerprint_line ? fingerprint_line : "",
- status);
- fname = get_datadir_fname("networkstatus-bridges");
- if (write_str_to_file(fname,published_thresholds_and_status,0)<0) {
- log_warn(LD_DIRSERV, "Unable to write networkstatus-bridges file.");
- }
- tor_free(thresholds);
- tor_free(published_thresholds_and_status);
- tor_free(fname);
- tor_free(status);
- tor_free(fingerprint_line);
-}
-
/* DOCDOC get_net_param_from_list */
static int32_t
get_net_param_from_list(smartlist_t *net_params, const char *param_name,
diff --git a/src/feature/nodelist/networkstatus.h b/src/feature/nodelist/networkstatus.h
index 8269fc618..600fd7fbd 100644
--- a/src/feature/nodelist/networkstatus.h
+++ b/src/feature/nodelist/networkstatus.h
@@ -122,7 +122,6 @@ void signed_descs_update_status_from_consensus_networkstatus(
char *networkstatus_getinfo_helper_single(const routerstatus_t *rs);
char *networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now);
-void networkstatus_dump_bridge_status_to_file(time_t now);
MOCK_DECL(int32_t, networkstatus_get_param,
(const networkstatus_t *ns, const char *param_name,
int32_t default_val, int32_t min_val, int32_t max_val));
@@ -149,6 +148,10 @@ void vote_routerstatus_free_(vote_routerstatus_t *rs);
#define vote_routerstatus_free(rs) \
FREE_AND_NULL(vote_routerstatus_t, vote_routerstatus_free_, (rs))
+void set_routerstatus_from_routerinfo(routerstatus_t *rs,
+ const node_t *node,
+ const routerinfo_t *ri);
+
#ifdef NETWORKSTATUS_PRIVATE
#ifdef TOR_UNIT_TESTS
STATIC int networkstatus_set_current_consensus_from_ns(networkstatus_t *c,
diff --git a/src/test/test_voting_flags.c b/src/test/test_voting_flags.c
index 5c9eebd00..c8111ea5d 100644
--- a/src/test/test_voting_flags.c
+++ b/src/test/test_voting_flags.c
@@ -60,7 +60,7 @@ check_result(flag_vote_test_cfg_t *c)
bool result = false;
routerstatus_t rs;
memset(&rs, 0, sizeof(rs));
- set_routerstatus_from_routerinfo(&rs, &c->node, &c->ri, c->now, 0);
+ dirauth_set_routerstatus_from_routerinfo(&rs, &c->node, &c->ri, c->now, 0);
tt_i64_op(rs.published_on, OP_EQ, c->expected.published_on);
tt_str_op(rs.nickname, OP_EQ, c->expected.nickname);
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