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simplify rend_cache_store_status_t back to a boolean

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it used to be a tri-state, but now it's just a bi-state, so we can
take out all the machinery like the enum.
This commit is contained in:
Roger Dingledine 2016-03-07 19:29:05 -05:00
parent dc500c8cb4
commit edeba3d472
5 changed files with 57 additions and 71 deletions
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20
src/or/directory.c
View File

@ -2297,10 +2297,8 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
{
rend_cache_entry_t *entry = NULL;
switch (rend_cache_store_v2_desc_as_client(body,
conn->requested_resource, conn->rend_data,
&entry)) {
case RCS_BADDESC:
if (rend_cache_store_v2_desc_as_client(body,
conn->requested_resource, conn->rend_data, &entry) < 0) {
log_warn(LD_REND,"Fetching v2 rendezvous descriptor failed. "
"Retrying at another directory.");
/* We'll retry when connection_about_to_close_connection()
@ -2308,11 +2306,9 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
SEND_HS_DESC_FAILED_EVENT("BAD_DESC");
SEND_HS_DESC_FAILED_CONTENT();
break;
case RCS_OKAY:
default:
{
} else {
char service_id[REND_SERVICE_ID_LEN_BASE32 + 1];
/* Should never be NULL here for an OKAY returned code. */
/* Should never be NULL here if we found the descriptor. */
tor_assert(entry);
rend_get_service_id(entry->parsed->pk, service_id);
@ -2330,7 +2326,6 @@ connection_dir_client_reached_eof(dir_connection_t *conn)
rend_client_desc_trynow(service_id);
memwipe(service_id, 0, sizeof(service_id));
break;
}
}
break;
}
@ -3426,15 +3421,12 @@ directory_handle_command_post(dir_connection_t *conn, const char *headers,
/* Handle v2 rendezvous service publish request. */
if (connection_dir_is_encrypted(conn) &&
!strcmpstart(url,"/tor/rendezvous2/publish")) {
switch (rend_cache_store_v2_desc_as_dir(body)) {
case RCS_BADDESC:
if (rend_cache_store_v2_desc_as_dir(body) < 0) {
log_warn(LD_REND, "Rejected v2 rend descriptor (length %d) from %s.",
(int)body_len, conn->base_.address);
write_http_status_line(conn, 400,
"Invalid v2 service descriptor rejected");
break;
case RCS_OKAY:
default:
} else {
write_http_status_line(conn, 200, "Service descriptor (v2) stored");
log_info(LD_REND, "Handled v2 rendezvous descriptor post: accepted");
}

30
src/or/rendcache.c
View File

@ -622,9 +622,9 @@ rend_cache_lookup_v2_desc_as_dir(const char *desc_id, const char **desc)
* If we have a newer descriptor with the same ID, ignore this one.
* If we have an older descriptor with the same ID, replace it.
*
* Return an appropriate rend_cache_store_status_t.
* Return 0 on success, or -1 if we couldn't parse any of them.
*/
rend_cache_store_status_t
int
rend_cache_store_v2_desc_as_dir(const char *desc)
{
const or_options_t *options = get_options();
@ -717,11 +717,11 @@ rend_cache_store_v2_desc_as_dir(const char *desc)
}
if (!number_parsed) {
log_info(LD_REND, "Could not parse any descriptor.");
return RCS_BADDESC;
return -1;
}
log_info(LD_REND, "Parsed %d and added %d descriptor%s.",
number_parsed, number_stored, number_stored != 1 ? "s" : "");
return RCS_OKAY;
return 0;
}
/** Parse the v2 service descriptor in <b>desc</b> and store it to the
@ -731,9 +731,9 @@ rend_cache_store_v2_desc_as_dir(const char *desc)
* If we have a newer descriptor with the same ID, ignore this one.
* If we have an older descriptor with the same ID, replace it.
*
* Return an appropriate rend_cache_store_status_t.
* Return 0 on success, or -1 if we couldn't understand the descriptor.
*/
rend_cache_store_status_t
int
rend_cache_store_v2_desc_as_service(const char *desc)
{
rend_service_descriptor_t *parsed = NULL;
@ -744,7 +744,7 @@ rend_cache_store_v2_desc_as_service(const char *desc)
const char *next_desc;
char service_id[REND_SERVICE_ID_LEN_BASE32+1];
rend_cache_entry_t *e;
rend_cache_store_status_t retval = RCS_BADDESC;
int retval = -1;
tor_assert(rend_cache_local_service);
tor_assert(desc);
@ -787,10 +787,10 @@ rend_cache_store_v2_desc_as_service(const char *desc)
rend_cache_increment_allocation(rend_cache_entry_allocation(e));
log_debug(LD_REND,"Successfully stored rend desc '%s', len %d.",
safe_str_client(service_id), (int)encoded_size);
return RCS_OKAY;
return 0;
okay:
retval = RCS_OKAY;
retval = 0;
err:
rend_service_descriptor_free(parsed);
@ -811,10 +811,10 @@ rend_cache_store_v2_desc_as_service(const char *desc)
* If the descriptor's descriptor ID doesn't match <b>desc_id_base32</b>,
* reject it.
*
* Return an appropriate rend_cache_store_status_t. If entry is not NULL,
* set it with the cache entry pointer of the descriptor.
* Return 0 on success, or -1 if we rejected the descriptor.
* If entry is not NULL, set it with the cache entry pointer of the descriptor.
*/
rend_cache_store_status_t
int
rend_cache_store_v2_desc_as_client(const char *desc,
const char *desc_id_base32,
const rend_data_t *rend_query,
@ -846,7 +846,7 @@ rend_cache_store_v2_desc_as_client(const char *desc,
char service_id[REND_SERVICE_ID_LEN_BASE32+1];
char want_desc_id[DIGEST_LEN];
rend_cache_entry_t *e;
rend_cache_store_status_t retval = RCS_BADDESC;
int retval = -1;
tor_assert(rend_cache);
tor_assert(desc);
tor_assert(desc_id_base32);
@ -993,13 +993,13 @@ rend_cache_store_v2_desc_as_client(const char *desc,
if (entry) {
*entry = e;
}
return RCS_OKAY;
return 0;
okay:
if (entry) {
*entry = e;
}
retval = RCS_OKAY;
retval = 0;
err:
rend_service_descriptor_free(parsed);

18
src/or/rendcache.h
View File

@ -64,19 +64,13 @@ int rend_cache_lookup_entry(const char *query, int version,
int rend_cache_lookup_v2_desc_as_service(const char *query,
rend_cache_entry_t **entry_out);
int rend_cache_lookup_v2_desc_as_dir(const char *query, const char **desc);
/** Return value from rend_cache_store_v2_desc_as_{dir,client}. */
typedef enum {
RCS_BADDESC = -1, /**< This descriptor is no good. */
RCS_OKAY = 0 /**< All worked as expected */
} rend_cache_store_status_t;
rend_cache_store_status_t rend_cache_store_v2_desc_as_dir(const char *desc);
rend_cache_store_status_t rend_cache_store_v2_desc_as_service(
const char *desc);
rend_cache_store_status_t rend_cache_store_v2_desc_as_client(const char *desc,
const char *desc_id_base32,
const rend_data_t *rend_query,
rend_cache_entry_t **entry);
int rend_cache_store_v2_desc_as_dir(const char *desc);
int rend_cache_store_v2_desc_as_service(const char *desc);
int rend_cache_store_v2_desc_as_client(const char *desc,
const char *desc_id_base32,
const rend_data_t *rend_query,
rend_cache_entry_t **entry);
size_t rend_cache_get_total_allocation(void);
void rend_cache_intro_failure_note(rend_intro_point_failure_t failure,

2
src/test/test_dir_handle_get.c
View File

@ -427,7 +427,7 @@ test_dir_handle_get_rendezvous2_on_encrypted_conn_success(void *data)
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
tt_int_op(rend_cache_store_v2_desc_as_dir(desc_holder->desc_str),
OP_EQ, RCS_OKAY);
OP_EQ, 0);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);

58
src/test/test_rendcache.c
View File

@ -91,7 +91,7 @@ test_rend_cache_lookup_entry(void *data)
static void
test_rend_cache_store_v2_desc_as_client(void *data)
{
rend_cache_store_status_t ret;
int ret;
rend_data_t *mock_rend_query;
char desc_id_base32[REND_DESC_ID_V2_LEN_BASE32 + 1];
rend_cache_entry_t *entry = NULL;
@ -112,7 +112,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
desc_id_base32, mock_rend_query,
&entry);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
tt_assert(entry);
tt_int_op(entry->len, OP_EQ, strlen(desc_holder->desc_str));
tt_str_op(entry->desc, OP_EQ, desc_holder->desc_str);
@ -124,7 +124,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
/* desc_holder->desc_str, */
/* "3TOOLONG3TOOLONG3TOOLONG3TOOLONG3TOOLONG3TOOLONG", */
/* &mock_rend_query, NULL); */
/* tt_int_op(ret, OP_EQ, RCS_BADDESC); */
/* tt_int_op(ret, OP_EQ, -1); */
// Test bad base32 failure
// This causes an assertion failure if we're running with assertions.
@ -132,13 +132,13 @@ test_rend_cache_store_v2_desc_as_client(void *data)
#ifdef DISABLE_ASSERTS_IN_UNIT_TESTS
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
"!xqunszqnaolrrfmtzgaki7mxelgvkj", mock_rend_query, NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
#endif
// Test invalid descriptor
ret = rend_cache_store_v2_desc_as_client("invalid descriptor",
"3xqunszqnaolrrfmtzgaki7mxelgvkje", mock_rend_query, NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
// TODO: it doesn't seem to be possible to test invalid service ID condition.
// that means it is likely not possible to have that condition without
@ -152,7 +152,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32,
mock_rend_query, NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
rend_cache_free_all();
rend_data_free(mock_rend_query);
@ -163,7 +163,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
desc_id_base32[0]--;
rend_cache_free_all();
@ -181,7 +181,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32,
mock_rend_query, NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
rend_cache_free_all();
// Test too new descriptor (in the future)
@ -198,7 +198,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
rend_cache_free_all();
// Test when a descriptor is already in the cache
@ -217,12 +217,12 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
&entry);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
tt_assert(entry);
rend_cache_free_all();
@ -243,7 +243,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_cache_free_all();
// Test successful run when we have REND_BASIC_AUTH but not cookie
@ -260,7 +260,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_cache_free_all();
@ -277,7 +277,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
rend_cache_free_all();
// Test when we have too many intro points
@ -293,7 +293,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
done:
rend_encoded_v2_service_descriptor_free(desc_holder);
@ -305,7 +305,7 @@ test_rend_cache_store_v2_desc_as_client(void *data)
static void
test_rend_cache_store_v2_desc_as_client_with_different_time(void *data)
{
rend_cache_store_status_t ret;
int ret;
rend_data_t *mock_rend_query;
char desc_id_base32[REND_DESC_ID_V2_LEN_BASE32 + 1];
rend_service_descriptor_t *generated = NULL;
@ -350,7 +350,7 @@ test_rend_cache_store_v2_desc_as_client_with_different_time(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder_older->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_cache_free_all();
@ -361,7 +361,7 @@ test_rend_cache_store_v2_desc_as_client_with_different_time(void *data)
ret = rend_cache_store_v2_desc_as_client(desc_holder_newer->desc_str,
desc_id_base32, mock_rend_query,
NULL);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
done:
rend_encoded_v2_service_descriptor_free(desc_holder_newer);
@ -446,7 +446,7 @@ static void
test_rend_cache_store_v2_desc_as_dir(void *data)
{
(void)data;
rend_cache_store_status_t ret;
int ret;
rend_encoded_v2_service_descriptor_t *desc_holder = NULL;
char *service_id = NULL;
@ -457,12 +457,12 @@ test_rend_cache_store_v2_desc_as_dir(void *data)
// Test when we can't parse the descriptor
mock_routerinfo = tor_malloc(sizeof(routerinfo_t));
ret = rend_cache_store_v2_desc_as_dir("unparseable");
tt_int_op(ret, OP_EQ, RCS_BADDESC);
tt_int_op(ret, OP_EQ, -1);
// Test when we have an old descriptor
generate_desc(TIME_IN_THE_PAST, &desc_holder, &service_id, 3);
ret = rend_cache_store_v2_desc_as_dir(desc_holder->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
@ -470,7 +470,7 @@ test_rend_cache_store_v2_desc_as_dir(void *data)
// Test when we have a descriptor in the future
generate_desc(TIME_IN_THE_FUTURE, &desc_holder, &service_id, 3);
ret = rend_cache_store_v2_desc_as_dir(desc_holder->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
@ -478,7 +478,7 @@ test_rend_cache_store_v2_desc_as_dir(void *data)
// Test when two descriptors
generate_desc(TIME_IN_THE_FUTURE, &desc_holder, &service_id, 3);
ret = rend_cache_store_v2_desc_as_dir(desc_holder->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
@ -488,7 +488,7 @@ test_rend_cache_store_v2_desc_as_dir(void *data)
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
get_options_mutable()->HiddenServiceStatistics = 1;
ret = rend_cache_store_v2_desc_as_dir(desc_holder->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
done:
NS_UNMOCK(router_get_my_routerinfo);
@ -503,7 +503,7 @@ test_rend_cache_store_v2_desc_as_dir_with_different_time(void *data)
{
(void)data;
rend_cache_store_status_t ret;
int ret;
rend_service_descriptor_t *generated = NULL;
smartlist_t *descs = smartlist_new();
time_t t;
@ -540,13 +540,13 @@ test_rend_cache_store_v2_desc_as_dir_with_different_time(void *data)
mock_routerinfo = tor_malloc(sizeof(routerinfo_t));
rend_cache_store_v2_desc_as_dir(desc_holder_newer->desc_str);
ret = rend_cache_store_v2_desc_as_dir(desc_holder_older->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
// Test when we have an old descriptor stored
rend_cache_purge();
rend_cache_store_v2_desc_as_dir(desc_holder_older->desc_str);
ret = rend_cache_store_v2_desc_as_dir(desc_holder_newer->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
done:
NS_UNMOCK(router_get_my_routerinfo);
@ -566,7 +566,7 @@ test_rend_cache_store_v2_desc_as_dir_with_different_content(void *data)
{
(void)data;
rend_cache_store_status_t ret;
int ret;
rend_service_descriptor_t *generated = NULL;
smartlist_t *descs = smartlist_new();
time_t t;
@ -605,7 +605,7 @@ test_rend_cache_store_v2_desc_as_dir_with_different_content(void *data)
mock_routerinfo = tor_malloc(sizeof(routerinfo_t));
rend_cache_store_v2_desc_as_dir(desc_holder_one->desc_str);
ret = rend_cache_store_v2_desc_as_dir(desc_holder_two->desc_str);
tt_int_op(ret, OP_EQ, RCS_OKAY);
tt_int_op(ret, OP_EQ, 0);
done:
NS_UNMOCK(router_get_my_routerinfo);