static void
test_rend_cache_lookup_entry(void *data)
{
int ret;
rend_data_t *mock_rend_query = NULL;
char desc_id_base32[REND_DESC_ID_V2_LEN_BASE32 + 1];
rend_cache_entry_t *entry = NULL;
rend_encoded_v2_service_descriptor_t *desc_holder = NULL;
char *service_id = NULL;
(void)data;
rend_cache_init();
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
ret = rend_cache_lookup_entry("abababababababab", 0, NULL);
tt_int_op(ret, OP_EQ, -ENOENT);
ret = rend_cache_lookup_entry("invalid query", 2, NULL);
tt_int_op(ret, OP_EQ, -EINVAL);
ret = rend_cache_lookup_entry("abababababababab", 2, NULL);
tt_int_op(ret, OP_EQ, -ENOENT);
ret = rend_cache_lookup_entry("abababababababab", 4224, NULL);
tt_int_op(ret, OP_EQ, -ENOENT);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
rend_cache_store_v2_desc_as_client(desc_holder->desc_str, desc_id_base32,
mock_rend_query, NULL);
ret = rend_cache_lookup_entry(service_id, 2, NULL);
tt_int_op(ret, OP_EQ, 0);
ret = rend_cache_lookup_entry(service_id, 2, &entry);
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);
done:
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_cache_free_all();
rend_data_free(mock_rend_query);
}
static void
test_rend_cache_store_v2_desc_as_client(void *data)
{
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;
rend_encoded_v2_service_descriptor_t *desc_holder = NULL;
char *service_id = NULL;
char client_cookie[REND_DESC_COOKIE_LEN];
(void)data;
rend_cache_init();
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
// Test success
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, 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);
// Test various failure modes
// TODO: a too long desc_id_base32 argument crashes the function
/* ret = rend_cache_store_v2_desc_as_client( */
/* desc_holder->desc_str, */
/* "3TOOLONG3TOOLONG3TOOLONG3TOOLONG3TOOLONG3TOOLONG", */
/* &mock_rend_query, NULL); */
/* tt_int_op(ret, OP_EQ, -1); */
// Test bad base32 failure
// This causes an assertion failure if we're running with assertions.
// But when building without asserts, we can test it.
#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, -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, -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
// earlier conditions failing first (such as signature checking of the desc)
rend_cache_free_all();
// Test mismatch between service ID and onion address
rend_cache_init();
strncpy(mock_rend_query->onion_address, "abc", REND_SERVICE_ID_LEN_BASE32+1);
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, -1);
rend_cache_free_all();
rend_data_free(mock_rend_query);
// Test incorrect descriptor ID
rend_cache_init();
mock_rend_query = mock_rend_data(service_id);
desc_id_base32[0]++;
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, -1);
desc_id_base32[0]--;
rend_cache_free_all();
// Test too old descriptor
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(TIME_IN_THE_PAST, &desc_holder, &service_id, 3);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, -1);
rend_cache_free_all();
// Test too new descriptor (in the future)
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(TIME_IN_THE_FUTURE, &desc_holder, &service_id, 3);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, -1);
rend_cache_free_all();
// Test when a descriptor is already in the cache
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
rend_cache_store_v2_desc_as_client(desc_holder->desc_str, desc_id_base32,
mock_rend_query, NULL);
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, 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, 0);
tt_assert(entry);
rend_cache_free_all();
// Test unsuccessful decrypting of introduction points
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
mock_rend_query = mock_rend_data(service_id);
mock_rend_query->auth_type = REND_BASIC_AUTH;
client_cookie[0] = 'A';
memcpy(mock_rend_query->descriptor_cookie, client_cookie,
REND_DESC_COOKIE_LEN);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, 0);
rend_cache_free_all();
// Test successful run when we have REND_BASIC_AUTH but not cookie
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(RECENT_TIME, &desc_holder, &service_id, 3);
mock_rend_query = mock_rend_data(service_id);
mock_rend_query->auth_type = REND_BASIC_AUTH;
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, 0);
rend_cache_free_all();
// Test when we have no introduction points
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(RECENT_TIME, &desc_holder, &service_id, 0);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, -1);
rend_cache_free_all();
// Test when we have too many intro points
rend_cache_init();
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_data_free(mock_rend_query);
generate_desc(RECENT_TIME, &desc_holder, &service_id, MAX_INTRO_POINTS+1);
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32), desc_holder->desc_id,
DIGEST_LEN);
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, -1);
done:
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_cache_free_all();
rend_data_free(mock_rend_query);
}
static void
test_rend_cache_store_v2_desc_as_client_with_different_time(void *data)
{
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;
smartlist_t *descs = smartlist_new();
time_t t;
char *service_id = NULL;
rend_encoded_v2_service_descriptor_t *desc_holder_newer;
rend_encoded_v2_service_descriptor_t *desc_holder_older;
t = time(NULL);
rend_cache_init();
create_descriptor(&generated, &service_id, 3);
generated->timestamp = t + RECENT_TIME;
rend_encode_v2_descriptors(descs, generated, t + RECENT_TIME, 0,
REND_NO_AUTH, NULL, NULL);
desc_holder_newer = ((rend_encoded_v2_service_descriptor_t *)
smartlist_get(descs, 0));
smartlist_set(descs, 0, NULL);
SMARTLIST_FOREACH(descs, rend_encoded_v2_service_descriptor_t *, d,
rend_encoded_v2_service_descriptor_free(d));
smartlist_free(descs);
descs = smartlist_new();
generated->timestamp = (t + RECENT_TIME) - 20;
rend_encode_v2_descriptors(descs, generated, t + RECENT_TIME, 0,
REND_NO_AUTH, NULL, NULL);
desc_holder_older = ((rend_encoded_v2_service_descriptor_t *)
smartlist_get(descs, 0));
smartlist_set(descs, 0, NULL);
(void)data;
// Test when a descriptor is already in the cache and it is newer than the
// one we submit
mock_rend_query = mock_rend_data(service_id);
base32_encode(desc_id_base32, sizeof(desc_id_base32),
desc_holder_newer->desc_id, DIGEST_LEN);
rend_cache_store_v2_desc_as_client(desc_holder_newer->desc_str,
desc_id_base32, mock_rend_query, NULL);
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, 0);
rend_cache_free_all();
// Test when an old descriptor is in the cache and we submit a newer one
rend_cache_init();
rend_cache_store_v2_desc_as_client(desc_holder_older->desc_str,
desc_id_base32, mock_rend_query, NULL);
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, 0);
done:
rend_encoded_v2_service_descriptor_free(desc_holder_newer);
rend_encoded_v2_service_descriptor_free(desc_holder_older);
SMARTLIST_FOREACH(descs, rend_encoded_v2_service_descriptor_t *, d,
rend_encoded_v2_service_descriptor_free(d));
smartlist_free(descs);
rend_service_descriptor_free(generated);
tor_free(service_id);
rend_cache_free_all();
rend_data_free(mock_rend_query);
}
