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Add a VoteOnHidServDirectoriesV2 configuration option

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This commit is contained in:
Robert Ransom 2011-05-10 02:06:07 -07:00 committed by Nick Mathewson
parent 7aa20b20bf
commit 1546054d81
7 changed files with 27 additions and 7 deletions
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5
changes/bug2649a Normal file
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@ -0,0 +1,5 @@
o Minor features:
- Add a VoteOnHidServDirectoriesV2 configuration option to allow
directory authorities to abstain from voting on assignment of
the HSDir consensus flag. Related to bug 2649.

5
doc/tor.1.txt
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@ -1335,6 +1335,11 @@ DIRECTORY AUTHORITY SERVER OPTIONS
that fine-grained information about nodes can be discarded when it hasn't
changed for a given amount of time. (Default: 24 hours)
**VoteOnHidServDirectoriesV2** **0**|**1**::
When this option is set in addition to **AuthoritativeDirectory**, Tor
votes on whether to accept relays as hidden service directories.
(Default: 1)
HIDDEN SERVICE OPTIONS
----------------------

1
src/or/config.c
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@ -402,6 +402,7 @@ static config_var_t _option_vars[] = {
NULL),
VAR("__OwningControllerProcess",STRING,OwningControllerProcess, NULL),
V(MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"),
V(VoteOnHidServDirectoriesV2, BOOL, "1"),
V(_UsingTestNetworkDefaults, BOOL, "0"),
{ NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }

16
src/or/dirserv.c
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@ -2262,7 +2262,7 @@ void
set_routerstatus_from_routerinfo(routerstatus_t *rs,
routerinfo_t *ri, time_t now,
int naming, int listbadexits,
int listbaddirs)
int listbaddirs, int vote_on_hsdirs)
{
int unstable_version =
!tor_version_as_new_as(ri->platform,"0.1.1.16-rc-cvs");
@ -2306,7 +2306,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
rs->is_bad_directory = listbaddirs && ri->is_bad_directory;
rs->is_bad_exit = listbadexits && ri->is_bad_exit;
ri->is_hs_dir = dirserv_thinks_router_is_hs_dir(ri, now);
rs->is_hs_dir = ri->is_hs_dir;
rs->is_hs_dir = vote_on_hsdirs && ri->is_hs_dir;
rs->is_v2_dir = ri->dir_port != 0;
if (!strcasecmp(ri->nickname, UNNAMED_ROUTER_NICKNAME))
@ -2538,6 +2538,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key,
int naming = options->NamingAuthoritativeDir;
int listbadexits = options->AuthDirListBadExits;
int listbaddirs = options->AuthDirListBadDirs;
int vote_on_hsdirs = options->VoteOnHidServDirectoriesV2;
routerlist_t *rl = router_get_routerlist();
time_t now = time(NULL);
time_t cutoff = now - ROUTER_MAX_AGE_TO_PUBLISH;
@ -2601,7 +2602,8 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key,
vrs = tor_malloc_zero(sizeof(vote_routerstatus_t));
rs = &vrs->status;
set_routerstatus_from_routerinfo(rs, ri, now,
naming, listbadexits, listbaddirs);
naming, listbadexits, listbaddirs,
vote_on_hsdirs);
if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest))
clear_status_flags_on_sybil(rs);
@ -2678,7 +2680,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key,
v3_out->server_versions = server_versions;
v3_out->known_flags = smartlist_create();
smartlist_split_string(v3_out->known_flags,
"Authority Exit Fast Guard HSDir Stable V2Dir Valid",
"Authority Exit Fast Guard Stable V2Dir Valid",
0, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
if (vote_on_reachability)
smartlist_add(v3_out->known_flags, tor_strdup("Running"));
@ -2690,6 +2692,8 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key,
smartlist_add(v3_out->known_flags, tor_strdup("Named"));
smartlist_add(v3_out->known_flags, tor_strdup("Unnamed"));
}
if (vote_on_hsdirs)
smartlist_add(v3_out->known_flags, tor_strdup("HSDir"));
smartlist_sort_strings(v3_out->known_flags);
if (options->ConsensusParams) {
@ -2754,6 +2758,7 @@ generate_v2_networkstatus_opinion(void)
int versioning = options->VersioningAuthoritativeDir;
int listbaddirs = options->AuthDirListBadDirs;
int listbadexits = options->AuthDirListBadExits;
int vote_on_hsdirs = options->VoteOnHidServDirectoriesV2;
const char *contact;
char *version_lines = NULL;
smartlist_t *routers = NULL;
@ -2846,7 +2851,8 @@ generate_v2_networkstatus_opinion(void)
char *version = version_from_platform(ri->platform);
set_routerstatus_from_routerinfo(&rs, ri, now,
naming, listbadexits, listbaddirs);
naming, listbadexits, listbaddirs,
vote_on_hsdirs);
if (digestmap_get(omit_as_sybil, ri->cache_info.identity_digest))
clear_status_flags_on_sybil(&rs);

2
src/or/dirvote.h
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@ -62,7 +62,7 @@ const cached_dir_t *dirvote_get_vote(const char *fp, int flags);
void set_routerstatus_from_routerinfo(routerstatus_t *rs,
routerinfo_t *ri, time_t now,
int naming, int listbadexits,
int listbaddirs);
int listbaddirs, int vote_on_hsdirs);
void router_clear_status_flags(routerinfo_t *ri);
networkstatus_t *
dirserv_generate_networkstatus_vote_obj(crypto_pk_env_t *private_key,

2
src/or/networkstatus.c
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@ -2105,7 +2105,7 @@ networkstatus_getinfo_by_purpose(const char *purpose_string, time_t now)
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, ri, now, 0, 0, 0);
set_routerstatus_from_routerinfo(&rs, ri, now, 0, 0, 0, 0);
smartlist_add(statuses, networkstatus_getinfo_helper_single(&rs));
});

3
src/or/or.h
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@ -2517,8 +2517,11 @@ typedef struct {
* we don't need to? */
int HidServDirectoryV2; /**< Do we participate in the HS DHT? */
int VoteOnHidServDirectoriesV2; /**< As a directory authority, vote on
* assignment of the HSDir flag? */
int MinUptimeHidServDirectoryV2; /**< As directory authority, accept hidden
* service directories after what time? */
int FetchUselessDescriptors; /**< Do we fetch non-running descriptors too? */
int AllDirActionsPrivate; /**< Should every directory action be sent
* through a Tor circuit? */