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r16263@catbus: nickm | 2007-10-29 15:08:17 -0400

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Tidy last patch a bit.


svn:r12273
This commit is contained in:
Nick Mathewson 2007-10-29 19:10:47 +00:00
parent e136f00ca8
commit 024798ee4c
6 changed files with 109 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@ -8,7 +8,9 @@ Changes in version 0.2.0.10-alpha - 2007-1?-??
we can make anonymized begin_dir connections for (e.g.) more secure
hidden service posting and fetching.
- Code to parse and generate new hidden service descriptor format
(From Karsten Loesing.)
(From Karsten Loesing).
- Code to cache and download new hidden service descriptor format
(From Karsten Loesing).
o Major bugfixes:
- Stop servers from crashing if they set a Family option (or

11
src/or/config.c
View File

@ -118,8 +118,6 @@ typedef struct config_var_t {
/** An entry for config_vars: "The option <b>name</b> is obsolete." */
#define OBSOLETE(name) { name, CONFIG_TYPE_OBSOLETE, 0, NULL }
/** Array of configuration options. Until we disallow nonstandard
* abbreviations, order is significant, since the first matching option will
* be chosen first.
@ -287,13 +285,12 @@ static config_var_t _option_vars[] = {
VAR("VersioningAuthoritativeDirectory",BOOL,VersioningAuthoritativeDir, "0"),
V(VirtualAddrNetwork, STRING, "127.192.0.0/10"),
VAR("__AllDirActionsPrivate", BOOL, AllDirActionsPrivate, "0"),
VAR("__ConsiderAllRoutersAsHidServDirectories", BOOL,
__ConsiderAllRoutersAsHidServDirectories, "0"),
/*XXXX020 for testing. Maybe remove before -rc. */
V(__ConsiderAllRoutersAsHidServDirectories, BOOL, "0"),
VAR("__DisablePredictedCircuits",BOOL,DisablePredictedCircuits, "0"),
VAR("__LeaveStreamsUnattached",BOOL, LeaveStreamsUnattached, "0"),
VAR("__MinUptimeHidServDirectoryV2", INTERVAL,
__MinUptimeHidServDirectoryV2, "24 hours"),
/*XXXX020 for testing. Maybe remove before -rc. */
V(__MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"),
{ NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }
};
#undef VAR

34
src/or/directory.c
View File

@ -1716,6 +1716,7 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
log_warn(LD_REND,"Failed to fetch rendezvous descriptor.");
/* alice's ap_stream will notice when connection_mark_for_close
* cleans it up */
/*XXXX020 maybe retry quickly; timeout takes a while. */
} else {
/* success. notify pending connections about this. */
conn->_base.purpose = DIR_PURPOSE_HAS_FETCHED_RENDDESC;
@ -1725,6 +1726,7 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
case 404:
/* not there. pending connections will be notified when
* connection_mark_for_close cleans it up. */
/*XXXX020 maybe retry quickly; timeout takes a while. */
break;
case 400:
log_warn(LD_REND,
@ -1746,7 +1748,7 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
(int)body_len, status_code, escaped(reason));
switch (status_code) {
case 200:
if (rend_cache_store_v2_client(body, NULL) < 0) {
if (rend_cache_store_v2_desc_as_client(body, NULL) < 0) {
log_warn(LD_REND,"Fetching v2 rendezvous descriptor failed.");
/* alice's ap_stream will notice when connection_mark_for_close
* cleans it up */
@ -2488,12 +2490,12 @@ directory_handle_command_get(dir_connection_t *conn, const char *headers,
if (options->HidServDirectoryV2 &&
!strcmpstart(url,"/tor/rendezvous2/")) {
/* Handle v2 rendezvous descriptor fetch request. */
char *descp;
const char *descp;
const char *query = url + strlen("/tor/rendezvous2/");
if (strlen(query) == REND_DESC_ID_V2_BASE32) {
log_info(LD_REND, "Got a v2 rendezvous descriptor request for ID '%s'",
query);
switch (rend_cache_lookup_v2_dir(query, &descp)) {
switch (rend_cache_lookup_v2_desc(query, &descp)) {
case 1: /* valid */
write_http_response_header(conn, strlen(descp), 0, 0);
connection_write_to_buf(descp, strlen(descp), TO_CONN(conn));
@ -2638,7 +2640,7 @@ directory_handle_command_post(dir_connection_t *conn, const char *headers,
/* Handle v2 rendezvous service publish request. */
if (options->HidServDirectoryV2 &&
!strcmpstart(url,"/tor/rendezvous2/publish")) {
if (rend_cache_store_v2_dir(body) < 0) {
if (rend_cache_store_v2_desc_as_dir(body) < 0) {
log_warn(LD_REND, "Rejected rend descriptor (length %d) from %s.",
(int)body_len, conn->_base.address);
write_http_status_line(conn, 400, "Invalid service descriptor rejected");
@ -3052,17 +3054,18 @@ dir_split_resource_into_fingerprints(const char *resource,
* REND_NUMBER_OF_NON_CONSECUTIVE_REPLICAS entries; <b>service_id</b> and
* <b>seconds_valid</b> are only passed for logging purposes.*/
/* XXXX020 enable tunneling when available!! */
/* XXXX020 desc_ids and desc_strs could be merged. Should they? */
void
directory_post_to_hs_dir(smartlist_t *desc_ids, smartlist_t *desc_strs,
const char *service_id, int seconds_valid,
smartlist_t *hs_dirs_)
smartlist_t *hs_dirs)
{
int i, j;
smartlist_t *responsible_dirs;
routerinfo_t *hs_dir;
if (smartlist_len(desc_ids) != REND_NUMBER_OF_NON_CONSECUTIVE_REPLICAS ||
smartlist_len(desc_strs) != REND_NUMBER_OF_NON_CONSECUTIVE_REPLICAS) {
log_warn(LD_REND, "Could not post descriptors to hidden service "
log_warn(LD_BUG, "Could not post descriptors to hidden service "
"directories: Illegal number of descriptor "
"IDs/strings");
return;
@ -3073,12 +3076,14 @@ directory_post_to_hs_dir(smartlist_t *desc_ids, smartlist_t *desc_strs,
const char *desc_str = smartlist_get(desc_strs, i);
/* Determine responsible dirs. */
if (hid_serv_get_responsible_directories(responsible_dirs, desc_id,
hs_dirs_) < 0) {
hs_dirs) < 0) {
log_warn(LD_REND, "Could not determine the responsible hidden service "
"directories to post descriptors to.");
smartlist_free(responsible_dirs);
return;
}
tor_assert(smartlist_len(responsible_dirs) ==
REND_NUMBER_OF_CONSECUTIVE_REPLICAS);
for (j = 0; j < REND_NUMBER_OF_CONSECUTIVE_REPLICAS; j++) {
char desc_id_base32[REND_DESC_ID_V2_BASE32 + 1];
hs_dir = smartlist_get(responsible_dirs, j);
@ -3089,7 +3094,7 @@ directory_post_to_hs_dir(smartlist_t *desc_ids, smartlist_t *desc_strs,
DIR_PURPOSE_UPLOAD_RENDDESC_V2,
ROUTER_PURPOSE_GENERAL,
1, NULL, desc_str, strlen(desc_str), 0);
base32_encode(desc_id_base32, REND_DESC_ID_V2_BASE32 + 1,
base32_encode(desc_id_base32, sizeof(desc_id_base32),
desc_id, DIGEST_LEN);
log_info(LD_REND, "Sending publish request for v2 descriptor for "
"service '%s' with descriptor ID '%s' with validity "
@ -3112,25 +3117,28 @@ directory_post_to_hs_dir(smartlist_t *desc_ids, smartlist_t *desc_strs,
* XXXX020 enable tunneling when available!! */
void
directory_get_from_hs_dir(const char *desc_id, const char *query,
smartlist_t *hs_dirs_)
smartlist_t *hs_dirs)
{
smartlist_t *responsible_dirs = smartlist_create();
routerinfo_t *hs_dir;
char desc_id_base32[REND_DESC_ID_V2_BASE32 + 1];
int replica;
tor_assert(desc_id);
tor_assert(query);
tor_assert(strlen(query) == REND_SERVICE_ID_LEN);
/* Determine responsible dirs. */
if (hid_serv_get_responsible_directories(responsible_dirs, desc_id,
hs_dirs_) < 0) {
hs_dirs) < 0) {
log_warn(LD_REND, "Could not determine the responsible hidden service "
"directories to fetch descriptors.");
smartlist_free(responsible_dirs);
return;
}
replica = crypto_rand_int(REND_NUMBER_OF_CONSECUTIVE_REPLICAS);
hs_dir = smartlist_get(responsible_dirs, replica);
hs_dir = smartlist_choose(responsible_dirs);
smartlist_free(responsible_dirs);
if (!hs_dir) {
/*XXXX020 log. */
return;
}
/* XXXX020 if hsdir fails, use another one... */
base32_encode(desc_id_base32, REND_DESC_ID_V2_BASE32 + 1,
desc_id, DIGEST_LEN);

30
src/or/or.h
View File

@ -1211,11 +1211,10 @@ typedef struct {
unsigned int is_exit:1; /**< Do we think this is an OK exit? */
unsigned int is_bad_exit:1; /**< Do we think this exit is censored, borked,
* or otherwise nasty? */
unsigned int wants_to_be_hs_dir:1; /**< True iff this router has set a flag
to possibly act as hidden service
directory. */
unsigned int wants_to_be_hs_dir:1; /**< True iff this router claims to be
* a hidden service directory. */
unsigned int is_hs_dir:1; /**< True iff this router is a hidden service
* directory. */
* directory according to the authorities. */
/** Tor can use this router for general positions in circuits. */
#define ROUTER_PURPOSE_GENERAL 0
@ -2020,6 +2019,10 @@ typedef struct {
int FetchServerDescriptors; /**< Do we fetch server descriptors as normal? */
int FetchHidServDescriptors; /** and hidden service descriptors? */
int HidServDirectoryV2; /**< Do we act as hs dir? */
/*XXXX020 maybe remove these next two testing options. DEFINITELY rename
* them at some point, since I think C says that identifiers beginning with
* __ are implementation-reserved or something. */
int __MinUptimeHidServDirectoryV2; /**< Accept hs dirs after what time? */
int __ConsiderAllRoutersAsHidServDirectories; /**< Consider all routers as
* hidden service dirs? */
@ -3452,6 +3455,9 @@ typedef struct rend_cache_entry_t {
} rend_cache_entry_t;
void rend_cache_init(void);
/*XXXX020 clean *and* clean_up *and* clean_v2_dir? Rename some. */
/*XXXX020 Call clean_up and clean_v2_dir from somewhere; nothing calls them
* now. */
void rend_cache_clean(void);
void rend_cache_clean_up(void);
void rend_cache_clean_v2_dir(void);
@ -3461,11 +3467,11 @@ int rend_cache_lookup_desc(const char *query, int version, const char **desc,
size_t *desc_len);
int rend_cache_lookup_entry(const char *query, int version,
rend_cache_entry_t **entry_out);
int rend_cache_lookup_v2_dir(const char *query, char **desc);
int rend_cache_lookup_v2_desc(const char *query, const char **desc);
int rend_cache_store(const char *desc, size_t desc_len, int published);
int rend_cache_store_v2_client(const char *desc,
int rend_cache_store_v2_desc_as_client(const char *desc,
const char *descriptor_cookie);
int rend_cache_store_v2_dir(const char *desc);
int rend_cache_store_v2_desc_as_dir(const char *desc);
int rend_cache_size(void);
int rend_encode_v2_descriptors(smartlist_t *desc_strs_out,
smartlist_t *desc_ids_out,
@ -3740,15 +3746,15 @@ const char *esc_router_info(routerinfo_t *router);
void routers_sort_by_identity(smartlist_t *routers);
smartlist_t *hid_serv_create_routing_table(void);
int hid_serv_have_enough_directories(smartlist_t *hs_dirs);
int hid_serv_have_enough_directories(const smartlist_t *hs_dirs);
int hid_serv_get_responsible_directories(smartlist_t *responsible_dirs,
const char *id,
smartlist_t *hs_dirs);
const smartlist_t *hs_dirs);
routerinfo_t *hid_serv_next_directory(const char *id,
smartlist_t *hs_dirs);
const smartlist_t *hs_dirs);
routerinfo_t *hid_serv_previous_directory(const char *id,
smartlist_t *hs_dirs);
int hid_serv_acting_as_directory(smartlist_t *hs_dirs);
const smartlist_t *hs_dirs);
int hid_serv_acting_as_directory(const smartlist_t *hs_dirs);
int hid_serv_responsible_for_desc_id(const char *id, smartlist_t *hs_dirs);
/********************************* routerparse.c ************************/

82
src/or/rendcommon.c
View File

@ -375,7 +375,7 @@ rend_encode_v2_descriptors(smartlist_t *desc_strs_out,
/* Calculate secret-id-part = h(time-period + cookie + replica). */
get_secret_id_part_bytes(secret_id_part, time_period, descriptor_cookie,
k);
base32_encode(secret_id_part_base32, REND_SECRET_ID_PART_LEN_BASE32 + 1,
base32_encode(secret_id_part_base32, sizeof(secret_id_part_base32),
secret_id_part, DIGEST_LEN);
/* Calculate descriptor ID. */
desc_id = tor_malloc_zero(DIGEST_LEN);
@ -685,10 +685,10 @@ rend_cache_clean_v2_dir(void)
for (iter = digestmap_iter_init(rend_cache_v2_dir);
!digestmap_iter_done(iter); ) {
digestmap_iter_get(iter, &key, &val);
ent = (rend_cache_entry_t*)val;
ent = val;
if (ent->parsed->timestamp < cutoff) {
char key_base32[REND_DESC_ID_V2_BASE32 + 1];
base32_encode(key_base32, REND_DESC_ID_V2_BASE32 + 1, key, DIGEST_LEN);
base32_encode(key_base32, sizeof(key_base32), key, DIGEST_LEN);
log_info(LD_REND, "Removing descriptor with ID '%s' from cache, "
"because it is too old!",
key_base32);
@ -707,23 +707,28 @@ rend_cache_clean_v2_dir(void)
int
rend_id_is_in_interval(const char *a, const char *b, const char *c)
{
int a_b, b_c, c_a;
tor_assert(a);
tor_assert(b);
tor_assert(c);
/* There are five cases in which a is outside the interval ]b,c]: */
if ((memcmp(a, b, DIGEST_LEN) == 0) || /* 1. a == b (b is excluded) */
/* 2. b == c (interval is empty) */
(memcmp(b, c, DIGEST_LEN) == 0) ||
/* 3. a b c */
(memcmp(a, b, DIGEST_LEN) <= 0 && memcmp(b, c, DIGEST_LEN) < 0) ||
/* 4. c a b */
(memcmp(c, a, DIGEST_LEN) < 0 && memcmp(a, b, DIGEST_LEN) <= 0) ||
/* 5. b c a */
(memcmp(b, c, DIGEST_LEN) < 0 && memcmp(c, a, DIGEST_LEN) < 0))
return 0;
/* In the other cases, a is inside the interval. */
else
return 1;
a_b = memcmp(a,b,DIGEST_LEN);
if (a_b == 0)
return 0; /* 1. a == b (b is excluded) */
b_c = memcmp(b,c,DIGEST_LEN);
if (b_c == 0)
return 0; /* 2. b == c (interval is empty) */
else if (a_b <= 0 && b_c < 0)
return 0; /* 3. a b c */
c_a = memcmp(c,a,DIGEST_LEN);
if (c_a < 0 && a_b <= 0)
return 0; /* 4. c a b */
else if (b_c < 0 && c_a < 0)
return 0; /* 5. b c a */
/* In the other cases (a c b; b a c; c b a), a is inside the interval. */
return 1;
}
/** Clean up all values for which this node as hidden service directory is
@ -732,14 +737,14 @@ void
rend_cache_clean_up(void)
{
digestmap_iter_t *iter;
const char *key;
void *val;
rend_cache_entry_t *ent;
smartlist_t *hs_dirs = hid_serv_create_routing_table();
for (iter = digestmap_iter_init(rend_cache_v2_dir);
!digestmap_iter_done(iter); ) {
const char *key;
void *val;
rend_cache_entry_t *ent;
digestmap_iter_get(iter, &key, &val);
ent = (rend_cache_entry_t*)val;
ent = val;
if (!hid_serv_responsible_for_desc_id(key, hs_dirs)) {
char key_base32[REND_DESC_ID_V2_BASE32 + 1];
base32_encode(key_base32, REND_DESC_ID_V2_BASE32 + 1, key, DIGEST_LEN);
@ -809,10 +814,11 @@ rend_cache_lookup_desc(const char *query, int version, const char **desc,
}
/** Lookup the v2 service descriptor with base32-encoded <b>desc_id</b> and
* copy the pointer to it to <b>desc</b>.
* copy the pointer to it to *<b>desc</b>. Return 1 on success, 0 on
* well-formed-but-not-found, and -1 on failure.
*/
int
rend_cache_lookup_v2_dir(const char *desc_id, char **desc)
rend_cache_lookup_v2_desc(const char *desc_id, const char **desc)
{
rend_cache_entry_t *e;
char desc_id_digest[DIGEST_LEN];
@ -835,7 +841,7 @@ rend_cache_lookup_v2_dir(const char *desc_id, char **desc)
}
smartlist_free(hs_dirs);
/* Lookup descriptor and return. */
e = (rend_cache_entry_t*) digestmap_get(rend_cache_v2_dir, desc_id_digest);
e = digestmap_get(rend_cache_v2_dir, desc_id_digest);
if (e) {
*desc = e->desc;
return 1;
@ -936,7 +942,7 @@ rend_cache_store(const char *desc, size_t desc_len, int published)
* it's novel.
*/
int
rend_cache_store_v2_dir(const char *desc)
rend_cache_store_v2_desc_as_dir(const char *desc)
{
rend_service_descriptor_t *parsed;
char desc_id[DIGEST_LEN];
@ -965,7 +971,7 @@ rend_cache_store_v2_dir(const char *desc)
/* We don't care about the introduction points. */
tor_free(intro_content);
/* For pretty log statements. */
base32_encode(desc_id_base32, REND_DESC_ID_V2_BASE32 + 1,
base32_encode(desc_id_base32, sizeof(desc_id_base32),
desc_id, DIGEST_LEN);
/* Is desc ID in the range that we are (directly or indirectly) responsible
* for? */
@ -973,14 +979,12 @@ rend_cache_store_v2_dir(const char *desc)
log_info(LD_REND, "Service descriptor with desc ID %s is not in "
"interval that we are responsible for.",
desc_id_base32);
rend_service_descriptor_free(parsed);
goto skip;
}
/* Is descriptor too old? */
if (parsed->timestamp < now - REND_CACHE_MAX_AGE-REND_CACHE_MAX_SKEW) {
log_info(LD_REND, "Service descriptor with desc ID %s is too old.",
desc_id_base32);
rend_service_descriptor_free(parsed);
goto skip;
}
/* Is descriptor too far in the future? */
@ -988,15 +992,13 @@ rend_cache_store_v2_dir(const char *desc)
log_info(LD_REND, "Service descriptor with desc ID %s is too far in the "
"future.",
desc_id_base32);
rend_service_descriptor_free(parsed);
goto skip;
}
/* Do we already have a newer descriptor? */
e = (rend_cache_entry_t *)digestmap_get(rend_cache_v2_dir, desc_id);
e = digestmap_get(rend_cache_v2_dir, desc_id);
if (e && e->parsed->timestamp > parsed->timestamp) {
log_info(LD_REND, "We already have a newer service descriptor with the "
"same desc ID %s and version.", desc_id_base32);
rend_service_descriptor_free(parsed);
goto skip;
}
/* Do we already have this descriptor? */
@ -1004,7 +1006,6 @@ rend_cache_store_v2_dir(const char *desc)
log_info(LD_REND, "We already have this service descriptor with desc "
"ID %s.", desc_id_base32);
e->received = time(NULL);
rend_service_descriptor_free(parsed);
goto skip;
}
/* Store received descriptor. */
@ -1017,18 +1018,20 @@ rend_cache_store_v2_dir(const char *desc)
}
e->received = time(NULL);
e->parsed = parsed;
e->desc = tor_malloc(encoded_size + 1);
strlcpy(e->desc, current_desc, encoded_size + 1);
e->desc = tor_strndup(current_desc, encoded_size);
e->len = encoded_size;
log_info(LD_REND, "Successfully stored service descriptor with desc ID "
"'%s' and len %d.", desc_id_base32, encoded_size);
number_stored++;
skip:
goto advance;
skip:
rend_service_descriptor_free(parsed);
advance:
/* advance to next descriptor, if available. */
current_desc = next_desc;
/* check if there is a next descriptor. */
if (strncmp(current_desc, "rendezvous-service-descriptor ",
strlen("rendezvous-service-descriptor ")))
if (!current_desc ||
strcmpstart(current_desc, "rendezvous-service-descriptor "))
break;
}
log_info(LD_REND, "Parsed and added %d descriptor%s.",
@ -1048,8 +1051,11 @@ rend_cache_store_v2_dir(const char *desc)
* it's novel.
*/
int
rend_cache_store_v2_client(const char *desc, const char *descriptor_cookie)
rend_cache_store_v2_desc_as_client(const char *desc,
const char *descriptor_cookie)
{
/*XXXX this seems to have a bit of duplicate code with
* rend_cache_store_v2_desc_as_dir(). Fix that. */
rend_service_descriptor_t *parsed = NULL;
char desc_id[DIGEST_LEN];
char *intro_content = NULL;
@ -1067,7 +1073,7 @@ rend_cache_store_v2_client(const char *desc, const char *descriptor_cookie)
&intro_size, &encoded_size,
&next_desc, desc) < 0) {
if (parsed) rend_service_descriptor_free(parsed);
if (intro_content) tor_free(intro_content);
tor_free(intro_content);
log_warn(LD_REND, "Could not parse descriptor.");
return -1;
}

34
src/or/routerlist.c
View File

@ -4249,18 +4249,18 @@ routers_sort_by_identity(smartlist_t *routers)
* NULL, or has no elements, return NULL.
*/
routerinfo_t *
hid_serv_next_directory(const char *id, smartlist_t *hs_dirs)
hid_serv_next_directory(const char *id, const smartlist_t *hs_dirs)
{
int i;
if (!hs_dirs) return NULL;
if (smartlist_len(hs_dirs) == 0) return NULL;
for (i = 0; i < smartlist_len(hs_dirs); i++) {
routerinfo_t *router = (routerinfo_t *) smartlist_get(hs_dirs, i);
routerinfo_t *router = smartlist_get(hs_dirs, i);
if (memcmp(router->cache_info.identity_digest, id, DIGEST_LEN) > 0) {
return router;
}
}
return (routerinfo_t *) smartlist_get(hs_dirs, 0);
return smartlist_get(hs_dirs, 0);
}
/** Return the first router that is acting as hidden service directory and that
@ -4269,45 +4269,45 @@ hid_serv_next_directory(const char *id, smartlist_t *hs_dirs)
* NULL, or has no elements, return NULL.
*/
routerinfo_t *
hid_serv_previous_directory(const char *id, smartlist_t *hs_dirs)
hid_serv_previous_directory(const char *id, const smartlist_t *hs_dirs)
{
int i;
if (!hs_dirs) return NULL;
if (smartlist_len(hs_dirs) == 0) return NULL;
for (i = smartlist_len(hs_dirs) - 1; i >= 0; i--) {
routerinfo_t *router = (routerinfo_t *) smartlist_get(hs_dirs, i);
routerinfo_t *router = smartlist_get(hs_dirs, i);
if (memcmp(router->cache_info.identity_digest, id, DIGEST_LEN) < 0) {
return router;
}
}
return (routerinfo_t *)
smartlist_get(hs_dirs, smartlist_len(hs_dirs) - 1);
return smartlist_get(hs_dirs, smartlist_len(hs_dirs) - 1);
}
/** Returns true, if we are aware of enough hidden service directory to
* usefully perform v2 rend operations on them (publish, fetch, replicate),
* or false otherwise. */
int
hid_serv_have_enough_directories(smartlist_t *hs_dirs)
hid_serv_have_enough_directories(const smartlist_t *hs_dirs)
{
return (smartlist_len(hs_dirs) > REND_NUMBER_OF_CONSECUTIVE_REPLICAS);
}
/** Determine the REND_NUMBER_OF_CONSECUTIVE_REPLICAS routers that are
* responsible for <b>id</b> (binary) and add pointers to those routers'
* routerstatus_t to <b>responsible_dirs</b>. If we don't have enough
* routerinfo_t to <b>responsible_dirs</b>. If we don't have enough
* hidden service directories, return -1, else 0. */
/*XXXX020 yield routerstatus_t, not routerinfo_t! */
int
hid_serv_get_responsible_directories(smartlist_t *responsible_dirs,
const char *id,
smartlist_t *hs_dirs)
const smartlist_t *hs_dirs)
{
const char *digest;
int i;
routerinfo_t *router;
char id_base32[32+1];
base32_encode(id_base32, REND_DESC_ID_V2_BASE32 + 1, id, DIGEST_LEN);
char id_base32[REND_DESC_ID_V2_BASE32+1];
tor_assert(id);
base32_encode(id_base32, sizeof(id_base32), id, DIGEST_LEN);
if (!hid_serv_have_enough_directories(hs_dirs)) {
log_warn(LD_REND, "We don't have enough hidden service directories to "
"perform v2 rendezvous operations!");
@ -4331,6 +4331,8 @@ hid_serv_get_responsible_directories(smartlist_t *responsible_dirs,
* containing all routers that have been assigned as hidden service
* directories by the directory authorities; this list can be used as
* hidden service routing table. */
/*XXXX020 using routerinfo_t here instead of routerstatus_t is error-prone.
* Best change that. */
smartlist_t *
hid_serv_create_routing_table(void)
{
@ -4350,7 +4352,7 @@ hid_serv_create_routing_table(void)
/** Return true if this node is currently acting as hidden service
* directory, false otherwise. */
int
hid_serv_acting_as_directory(smartlist_t *hs_dirs)
hid_serv_acting_as_directory(const smartlist_t *hs_dirs)
{
routerinfo_t *me = routerlist_find_my_routerinfo();
int found_me = 0;
@ -4370,13 +4372,15 @@ hid_serv_acting_as_directory(smartlist_t *hs_dirs)
}
SMARTLIST_FOREACH(hs_dirs, routerinfo_t *, router,
{
if (router_is_me(router))
if (router_is_me(router)) {
found_me = 1;
break;
}
});
if (!found_me) {
/* not acting as HS Dir */
char me_base32[REND_DESC_ID_V2_BASE32 + 1];
base32_encode(me_base32, REND_DESC_ID_V2_BASE32 + 1,
base32_encode(me_base32, sizeof(me_base32),
me->cache_info.identity_digest, DIGEST_LEN);
log_info(LD_REND, "We are not acting as hidden service directory, "
"because we are not listed as such in our own "