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https://gitlab.torproject.org/tpo/core/tor.git
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be much more conservative about logging reachability complaints.
the ones it logs now are probably genuine problem servers. svn:r4832
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e54e970a82
commit
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@ -397,7 +397,10 @@ dirserv_add_descriptor(const char **desc, const char **msg)
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}
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/* We don't already have a newer one; we'll update this one. */
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log_fn(LOG_INFO,"Dirserv updating desc for server %s (nickname '%s')",hex_digest,ri->nickname);
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ri->last_reachable = ri_old->last_reachable; /* this carries over */
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if (ri->addr == ri_old->addr && ri->or_port == ri_old->or_port) {
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ri->last_reachable = ri_old->last_reachable; /* these carry over */
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ri->testing_since = ri_old->testing_since;
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}
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*msg = verified?"Verified server updated":"Unverified server updated. (Have you sent us your key fingerprint?)";
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routerinfo_free(ri_old);
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smartlist_del_keeporder(descriptor_list, found);
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@ -581,13 +584,7 @@ list_server_status(smartlist_t *routers, char **router_status_out)
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if (router_is_me(ri) && !we_are_hibernating()) {
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is_live = 1;
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} else if (conn && conn->state == OR_CONN_STATE_OPEN) {
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if (now < ri->last_reachable + REACHABLE_TIMEOUT) {
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is_live = 1;
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} else {
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log_fn(stats_n_seconds_working>REACHABLE_TIMEOUT ? LOG_NOTICE : LOG_INFO,
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"Router %s (%s:%d) is connected to us but not reachable by us.",
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ri->nickname, ri->address, ri->or_port);
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}
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is_live = now < ri->last_reachable + REACHABLE_TIMEOUT;
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}
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} else {
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is_live = ri->is_running;
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@ -603,6 +600,42 @@ list_server_status(smartlist_t *routers, char **router_status_out)
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return 0;
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}
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/** Log complaints about each server that is connected to us and has
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* been found unreachable for the past several testing periods.
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*/
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void
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dirserv_log_unreachable_servers(time_t now) {
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SMARTLIST_FOREACH(descriptor_list, routerinfo_t *, ri,
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{
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connection_t *conn;
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conn = connection_get_by_identity_digest(
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ri->identity_digest, CONN_TYPE_OR);
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if (conn && conn->state == OR_CONN_STATE_OPEN &&
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now >= ri->last_reachable + 2*REACHABLE_TIMEOUT &&
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ri->testing_since &&
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now >= ri->testing_since + 2*REACHABLE_TIMEOUT) {
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log_fn(LOG_NOTICE,
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"Router %s (%s:%d) is connected to us but not reachable by us.",
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ri->nickname, ri->address, ri->or_port);
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}
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});
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}
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/** Record the fact that we've started trying to determine reachability
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* for the router with identity <b>digest</b>.
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* (This function can go away when we merge descriptor-list and router-list.)
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*/
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void
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dirserv_router_has_begun_reachability_testing(char *digest, time_t now) {
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SMARTLIST_FOREACH(descriptor_list, routerinfo_t *, ri,
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{
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if (!memcmp(ri->identity_digest, digest, DIGEST_LEN))
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if (!ri->testing_since)
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ri->testing_since = now;
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});
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}
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/** Remove any descriptors from the directory that are more than <b>age</b>
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* seconds old.
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*/
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@ -694,6 +694,7 @@ run_scheduled_events(time_t now)
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if (authdir_mode(options)) {
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/* Dump any old descriptors. */
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dirserv_remove_old_servers(ROUTER_MAX_AGE);
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dirserv_log_unreachable_servers(now);
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if (!we_are_hibernating()) { /* try to determine reachability */
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router_retry_connections(1);
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}
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@ -738,6 +738,7 @@ typedef struct {
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int is_running; /**< As far as we know, is this OR currently running? */
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time_t status_set_at; /**< When did we last update is_running? */
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time_t last_reachable; /**< When was the last time we could reach this OR? */
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time_t testing_since; /**< When did we start testing reachability for this OR? */
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int is_verified; /**< Has a trusted dirserver validated this OR? */
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smartlist_t *declared_family; /**< Nicknames of router which this router
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@ -1624,6 +1625,8 @@ char *dirserver_getinfo_unregistered(const char *question);
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int dirserv_load_from_directory_string(const char *dir);
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void dirserv_free_descriptors(void);
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int list_server_status(smartlist_t *routers, char **router_status_out);
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void dirserv_log_unreachable_servers(time_t now);
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void dirserv_router_has_begun_reachability_testing(char *digest, time_t now);
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void dirserv_remove_old_servers(int age);
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int dirserv_dump_directory_to_string(char **dir_out,
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crypto_pk_env_t *private_key);
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@ -577,6 +577,7 @@ void
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router_retry_connections(int force)
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{
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int i;
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time_t now = time(NULL);
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routerinfo_t *router;
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routerlist_t *rl;
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or_options_t *options = get_options();
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@ -597,6 +598,7 @@ router_retry_connections(int force)
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log_fn(LOG_INFO,"%sconnecting to %s at %s:%u.",
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clique_mode(options) ? "(forced) " : "",
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router->nickname, router->address, router->or_port);
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dirserv_router_has_begun_reachability_testing(router->identity_digest, now);
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connection_or_connect(router->addr, router->or_port, router->identity_digest);
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}
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}
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