/** Purge all potentially remotely-detectable state held in the hidden
* service client code. Called on SIGNAL NEWNYM. */
void
rend_client_purge_state(void)
{
rend_cache_purge();
rend_client_cancel_descriptor_fetches();
rend_client_purge_last_hid_serv_requests();
}
static void
test_rend_cache_store_v2_desc_as_dir(void *data)
{
(void)data;
int ret;
rend_encoded_v2_service_descriptor_t *desc_holder = NULL;
char *service_id = NULL;
NS_MOCK(router_get_my_routerinfo);
rend_cache_init();
// 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, -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, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
// 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, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
// 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, 0);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
// Test when asking for hidden service statistics HiddenServiceStatistics
rend_cache_purge();
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, 0);
done:
NS_UNMOCK(router_get_my_routerinfo);
rend_encoded_v2_service_descriptor_free(desc_holder);
tor_free(service_id);
rend_cache_free_all();
tor_free(mock_routerinfo);
}
static void
test_rend_cache_purge(void *data)
{
(void)data;
// Deals with a NULL rend_cache
rend_cache_purge();
tt_assert(rend_cache);
tt_assert(strmap_size(rend_cache) == 0);
// Deals with existing rend_cache
rend_cache_free_all();
rend_cache_init();
tt_assert(rend_cache);
tt_assert(strmap_size(rend_cache) == 0);
rend_cache_purge();
tt_assert(rend_cache);
tt_assert(strmap_size(rend_cache) == 0);
done:
rend_cache_free_all();
}
static void
test_rend_cache_store_v2_desc_as_dir_with_different_time(void *data)
{
(void)data;
int ret;
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;
NS_MOCK(router_get_my_routerinfo);
rend_cache_init();
t = time(NULL);
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);
// Test when we have a newer descriptor stored
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, 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, 0);
done:
NS_UNMOCK(router_get_my_routerinfo);
rend_cache_free_all();
rend_service_descriptor_free(generated);
tor_free(service_id);
SMARTLIST_FOREACH(descs, rend_encoded_v2_service_descriptor_t *, d,
rend_encoded_v2_service_descriptor_free(d));
smartlist_free(descs);
rend_encoded_v2_service_descriptor_free(desc_holder_newer);
rend_encoded_v2_service_descriptor_free(desc_holder_older);
tor_free(mock_routerinfo);
}
