Remove named_map and unnamed_map from networkstatus.c

This commit is contained in:
Nick Mathewson 2017-09-12 09:56:42 -04:00
parent 42b5e3cbb7
commit 035fe2d208
6 changed files with 3 additions and 84 deletions

View File

@ -66,12 +66,6 @@
#include "torcert.h"
#include "channelpadding.h"
/** Map from lowercase nickname to identity digest of named server, if any. */
static strmap_t *named_server_map = NULL;
/** Map from lowercase nickname to (void*)1 for all names that are listed
* as unnamed for some server in the consensus. */
static strmap_t *unnamed_server_map = NULL;
/** Most recently received and validated v3 "ns"-flavored consensus network
* status. */
STATIC networkstatus_t *current_ns_consensus = NULL;
@ -142,7 +136,6 @@ static int have_warned_about_old_version = 0;
* listed by the authorities. */
static int have_warned_about_new_version = 0;
static void routerstatus_list_update_named_server_map(void);
static void update_consensus_bootstrap_multiple_downloads(
time_t now,
const or_options_t *options);
@ -250,13 +243,6 @@ router_reload_consensus_networkstatus(void)
}
}
if (!networkstatus_get_latest_consensus()) {
if (!named_server_map)
named_server_map = strmap_new();
if (!unnamed_server_map)
unnamed_server_map = strmap_new();
}
update_certificate_downloads(time(NULL));
routers_update_all_from_networkstatus(time(NULL), 3);
@ -794,16 +780,6 @@ router_get_consensus_status_by_id(const char *digest)
return router_get_mutable_consensus_status_by_id(digest);
}
/** Return the identity digest that's mapped to officially by
* <b>nickname</b>. */
const char *
networkstatus_get_router_digest_by_nickname(const char *nickname)
{
if (!named_server_map)
return NULL;
return strmap_get_lc(named_server_map, nickname);
}
/** How frequently do directory authorities re-download fresh networkstatus
* documents? */
#define AUTHORITY_NS_CACHE_INTERVAL (10*60)
@ -1960,7 +1936,6 @@ networkstatus_set_current_consensus(const char *consensus,
update_consensus_networkstatus_fetch_time(now);
dirvote_recalculate_timing(options, now);
routerstatus_list_update_named_server_map();
/* Update ewma and adjust policy if needed; first cache the old value */
old_ewma_enabled = cell_ewma_enabled();
@ -2129,31 +2104,6 @@ routers_update_all_from_networkstatus(time_t now, int dir_version)
}
}
/** Update our view of the list of named servers from the most recently
* retrieved networkstatus consensus. */
static void
routerstatus_list_update_named_server_map(void)
{
networkstatus_t *ns = networkstatus_get_latest_consensus();
if (!ns)
return;
strmap_free(named_server_map, tor_free_);
named_server_map = strmap_new();
strmap_free(unnamed_server_map, NULL);
unnamed_server_map = strmap_new();
smartlist_t *rslist = ns->routerstatus_list;
SMARTLIST_FOREACH_BEGIN(rslist, const routerstatus_t *, rs) {
if (rs->is_named) {
strmap_set_lc(named_server_map, rs->nickname,
tor_memdup(rs->identity_digest, DIGEST_LEN));
}
if (rs->is_unnamed) {
strmap_set_lc(unnamed_server_map, rs->nickname, (void*)1);
}
} SMARTLIST_FOREACH_END(rs);
}
/** Given a list <b>routers</b> of routerinfo_t *, update each status field
* according to our current consensus networkstatus. May re-order
* <b>routers</b>. */
@ -2639,8 +2589,5 @@ networkstatus_free_all(void)
}
tor_free(waiting->body);
}
strmap_free(named_server_map, tor_free_);
strmap_free(unnamed_server_map, NULL);
}

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@ -62,7 +62,6 @@ const routerstatus_t *router_get_consensus_status_by_descriptor_digest(
MOCK_DECL(routerstatus_t *,
router_get_mutable_consensus_status_by_descriptor_digest,
(networkstatus_t *consensus, const char *digest));
const char *networkstatus_get_router_digest_by_nickname(const char *nickname);
int we_want_to_fetch_flavor(const or_options_t *options, int flavor);
int we_want_to_fetch_unknown_auth_certs(const or_options_t *options);
void networkstatus_consensus_download_failed(int status_code,

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@ -850,15 +850,6 @@ node_get_by_nickname,(const char *nickname, unsigned flags))
if (!strcasecmp(nickname, UNNAMED_ROUTER_NICKNAME))
return NULL;
/* Okay, so if we get here, the nickname is just a nickname. Is there
* a binding for it in the consensus? */
{
const char *named_id =
networkstatus_get_router_digest_by_nickname(nickname);
if (named_id)
return node_get_by_id(named_id);
}
/* Okay, so the name is not canonical for anybody. */
{
smartlist_t *matches = smartlist_new();

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@ -3497,7 +3497,7 @@ router_get_description(char *buf, const routerinfo_t *ri)
return "<null>";
return format_node_description(buf,
ri->cache_info.identity_digest,
router_is_named(ri),
0,
ri->nickname,
NULL,
ri->addr);
@ -3623,21 +3623,16 @@ extend_info_describe(const extend_info_t *ei)
* verbose representation of the identity of <b>router</b>. The format is:
* A dollar sign.
* The upper-case hexadecimal encoding of the SHA1 hash of router's identity.
* A "=" if the router is named; a "~" if it is not.
* A "=" if the router is named (no longer implemented); a "~" if it is not.
* The router's nickname.
**/
void
router_get_verbose_nickname(char *buf, const routerinfo_t *router)
{
const char *good_digest = networkstatus_get_router_digest_by_nickname(
router->nickname);
int is_named = good_digest && tor_memeq(good_digest,
router->cache_info.identity_digest,
DIGEST_LEN);
buf[0] = '$';
base16_encode(buf+1, HEX_DIGEST_LEN+1, router->cache_info.identity_digest,
DIGEST_LEN);
buf[1+HEX_DIGEST_LEN] = is_named ? '=' : '~';
buf[1+HEX_DIGEST_LEN] = '~';
strlcpy(buf+1+HEX_DIGEST_LEN+1, router->nickname, MAX_NICKNAME_LEN+1);
}

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@ -2957,18 +2957,6 @@ hex_digest_nickname_matches(const char *hexdigest, const char *identity_digest,
return tor_memeq(digest, identity_digest, DIGEST_LEN);
}
/** Return true iff <b>router</b> is listed as named in the current
* consensus. */
int
router_is_named(const routerinfo_t *router)
{
const char *digest =
networkstatus_get_router_digest_by_nickname(router->nickname);
return (digest &&
tor_memeq(digest, router->cache_info.identity_digest, DIGEST_LEN));
}
/** Return true iff <b>digest</b> is the digest of the identity key of a
* trusted directory matching at least one bit of <b>type</b>. If <b>type</b>
* is zero (NO_DIRINFO), or ALL_DIRINFO, any authority is okay. */

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@ -80,7 +80,6 @@ const node_t *router_choose_random_node(smartlist_t *excludedsmartlist,
struct routerset_t *excludedset,
router_crn_flags_t flags);
int router_is_named(const routerinfo_t *router);
int router_digest_is_trusted_dir_type(const char *digest,
dirinfo_type_t type);
#define router_digest_is_trusted_dir(d) \