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Remove old unused indentation from handle_get_current_consensus

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This commit removes a pair of meaningless braces, and changes
whitespace only.
This commit is contained in:
Nick Mathewson 2017-04-28 13:18:32 -04:00
parent a32083bd03
commit e051c47e98
1 changed files with 112 additions and 114 deletions
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226
src/or/directory.c
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@ -3488,130 +3488,128 @@ handle_get_current_consensus(dir_connection_t *conn,
const time_t if_modified_since = args->if_modified_since; const time_t if_modified_since = args->if_modified_since;
int clear_spool = 0; int clear_spool = 0;
{ /* v3 network status fetch. */
/* v3 network status fetch. */ long lifetime = NETWORKSTATUS_CACHE_LIFETIME;
long lifetime = NETWORKSTATUS_CACHE_LIFETIME;
networkstatus_t *v; networkstatus_t *v;
time_t now = time(NULL); time_t now = time(NULL);
const char *want_fps = NULL; const char *want_fps = NULL;
char *flavor = NULL; char *flavor = NULL;
int flav = FLAV_NS; int flav = FLAV_NS;
#define CONSENSUS_URL_PREFIX "/tor/status-vote/current/consensus/" #define CONSENSUS_URL_PREFIX "/tor/status-vote/current/consensus/"
#define CONSENSUS_FLAVORED_PREFIX "/tor/status-vote/current/consensus-" #define CONSENSUS_FLAVORED_PREFIX "/tor/status-vote/current/consensus-"
/* figure out the flavor if any, and who we wanted to sign the thing */ /* figure out the flavor if any, and who we wanted to sign the thing */
if (!strcmpstart(url, CONSENSUS_FLAVORED_PREFIX)) { if (!strcmpstart(url, CONSENSUS_FLAVORED_PREFIX)) {
const char *f, *cp; const char *f, *cp;
f = url + strlen(CONSENSUS_FLAVORED_PREFIX); f = url + strlen(CONSENSUS_FLAVORED_PREFIX);
cp = strchr(f, '/'); cp = strchr(f, '/');
if (cp) { if (cp) {
want_fps = cp+1; want_fps = cp+1;
flavor = tor_strndup(f, cp-f); flavor = tor_strndup(f, cp-f);
} else {
flavor = tor_strdup(f);
}
flav = networkstatus_parse_flavor_name(flavor);
if (flav < 0)
flav = FLAV_NS;
} else { } else {
if (!strcmpstart(url, CONSENSUS_URL_PREFIX)) flavor = tor_strdup(f);
want_fps = url+strlen(CONSENSUS_URL_PREFIX);
} }
flav = networkstatus_parse_flavor_name(flavor);
if (flav < 0)
flav = FLAV_NS;
} else {
if (!strcmpstart(url, CONSENSUS_URL_PREFIX))
want_fps = url+strlen(CONSENSUS_URL_PREFIX);
}
v = networkstatus_get_latest_consensus_by_flavor(flav); v = networkstatus_get_latest_consensus_by_flavor(flav);
if (v && !networkstatus_consensus_reasonably_live(v, now)) { if (v && !networkstatus_consensus_reasonably_live(v, now)) {
write_http_status_line(conn, 404, "Consensus is too old"); write_http_status_line(conn, 404, "Consensus is too old");
warn_consensus_is_too_old(v, flavor, now); warn_consensus_is_too_old(v, flavor, now);
geoip_note_ns_response(GEOIP_REJECT_NOT_FOUND); geoip_note_ns_response(GEOIP_REJECT_NOT_FOUND);
tor_free(flavor); tor_free(flavor);
goto done;
}
if (v && want_fps &&
!client_likes_consensus(v, want_fps)) {
write_http_status_line(conn, 404, "Consensus not signed by sufficient "
"number of requested authorities");
geoip_note_ns_response(GEOIP_REJECT_NOT_ENOUGH_SIGS);
tor_free(flavor);
goto done;
}
conn->spool = smartlist_new();
clear_spool = 1;
{
spooled_resource_t *spooled;
if (flavor)
spooled = spooled_resource_new(DIR_SPOOL_NETWORKSTATUS,
(uint8_t*)flavor, strlen(flavor));
else
spooled = spooled_resource_new(DIR_SPOOL_NETWORKSTATUS,
NULL, 0);
tor_free(flavor);
smartlist_add(conn->spool, spooled);
}
lifetime = (v && v->fresh_until > now) ? v->fresh_until - now : 0;
if (!smartlist_len(conn->spool)) { /* we failed to create/cache cp */
write_http_status_line(conn, 503, "Network status object unavailable");
geoip_note_ns_response(GEOIP_REJECT_UNAVAILABLE);
goto done;
}
size_t size_guess = 0;
int n_expired = 0;
dirserv_spool_remove_missing_and_guess_size(conn, if_modified_since,
compressed,
&size_guess,
&n_expired);
if (!smartlist_len(conn->spool) && !n_expired) {
write_http_status_line(conn, 404, "Not found");
geoip_note_ns_response(GEOIP_REJECT_NOT_FOUND);
goto done;
} else if (!smartlist_len(conn->spool)) {
write_http_status_line(conn, 304, "Not modified");
geoip_note_ns_response(GEOIP_REJECT_NOT_MODIFIED);
goto done;
}
if (global_write_bucket_low(TO_CONN(conn), size_guess, 2)) {
log_debug(LD_DIRSERV,
"Client asked for network status lists, but we've been "
"writing too many bytes lately. Sending 503 Dir busy.");
write_http_status_line(conn, 503, "Directory busy, try again later");
geoip_note_ns_response(GEOIP_REJECT_BUSY);
goto done;
}
tor_addr_t addr;
if (tor_addr_parse(&addr, (TO_CONN(conn))->address) >= 0) {
geoip_note_client_seen(GEOIP_CLIENT_NETWORKSTATUS,
&addr, NULL,
time(NULL));
geoip_note_ns_response(GEOIP_SUCCESS);
/* Note that a request for a network status has started, so that we
* can measure the download time later on. */
if (conn->dirreq_id)
geoip_start_dirreq(conn->dirreq_id, size_guess, DIRREQ_TUNNELED);
else
geoip_start_dirreq(TO_CONN(conn)->global_identifier, size_guess,
DIRREQ_DIRECT);
}
clear_spool = 0;
write_http_response_header(conn, -1, compressed,
smartlist_len(conn->spool) == 1 ? lifetime : 0);
if (! compressed)
conn->compress_state = tor_compress_new(0, ZLIB_METHOD,
HIGH_COMPRESSION);
/* Prime the connection with some data. */
const int initial_flush_result = connection_dirserv_flushed_some(conn);
tor_assert_nonfatal(initial_flush_result == 0);
goto done; goto done;
} }
if (v && want_fps &&
!client_likes_consensus(v, want_fps)) {
write_http_status_line(conn, 404, "Consensus not signed by sufficient "
"number of requested authorities");
geoip_note_ns_response(GEOIP_REJECT_NOT_ENOUGH_SIGS);
tor_free(flavor);
goto done;
}
conn->spool = smartlist_new();
clear_spool = 1;
{
spooled_resource_t *spooled;
if (flavor)
spooled = spooled_resource_new(DIR_SPOOL_NETWORKSTATUS,
(uint8_t*)flavor, strlen(flavor));
else
spooled = spooled_resource_new(DIR_SPOOL_NETWORKSTATUS,
NULL, 0);
tor_free(flavor);
smartlist_add(conn->spool, spooled);
}
lifetime = (v && v->fresh_until > now) ? v->fresh_until - now : 0;
if (!smartlist_len(conn->spool)) { /* we failed to create/cache cp */
write_http_status_line(conn, 503, "Network status object unavailable");
geoip_note_ns_response(GEOIP_REJECT_UNAVAILABLE);
goto done;
}
size_t size_guess = 0;
int n_expired = 0;
dirserv_spool_remove_missing_and_guess_size(conn, if_modified_since,
compressed,
&size_guess,
&n_expired);
if (!smartlist_len(conn->spool) && !n_expired) {
write_http_status_line(conn, 404, "Not found");
geoip_note_ns_response(GEOIP_REJECT_NOT_FOUND);
goto done;
} else if (!smartlist_len(conn->spool)) {
write_http_status_line(conn, 304, "Not modified");
geoip_note_ns_response(GEOIP_REJECT_NOT_MODIFIED);
goto done;
}
if (global_write_bucket_low(TO_CONN(conn), size_guess, 2)) {
log_debug(LD_DIRSERV,
"Client asked for network status lists, but we've been "
"writing too many bytes lately. Sending 503 Dir busy.");
write_http_status_line(conn, 503, "Directory busy, try again later");
geoip_note_ns_response(GEOIP_REJECT_BUSY);
goto done;
}
tor_addr_t addr;
if (tor_addr_parse(&addr, (TO_CONN(conn))->address) >= 0) {
geoip_note_client_seen(GEOIP_CLIENT_NETWORKSTATUS,
&addr, NULL,
time(NULL));
geoip_note_ns_response(GEOIP_SUCCESS);
/* Note that a request for a network status has started, so that we
* can measure the download time later on. */
if (conn->dirreq_id)
geoip_start_dirreq(conn->dirreq_id, size_guess, DIRREQ_TUNNELED);
else
geoip_start_dirreq(TO_CONN(conn)->global_identifier, size_guess,
DIRREQ_DIRECT);
}
clear_spool = 0;
write_http_response_header(conn, -1, compressed,
smartlist_len(conn->spool) == 1 ? lifetime : 0);
if (! compressed)
conn->compress_state = tor_compress_new(0, ZLIB_METHOD,
HIGH_COMPRESSION);
/* Prime the connection with some data. */
const int initial_flush_result = connection_dirserv_flushed_some(conn);
tor_assert_nonfatal(initial_flush_result == 0);
goto done;
done: done:
if (clear_spool) { if (clear_spool) {
dir_conn_clear_spool(conn); dir_conn_clear_spool(conn);