static void
test_util_format_unaligned_accessors(void *ignored)
{
(void)ignored;
char buf[9] = "onionsoup"; // 6f6e696f6e736f7570
tt_u64_op(get_uint64(buf+1), OP_EQ, htonll(U64_LITERAL(0x6e696f6e736f7570)));
tt_uint_op(get_uint32(buf+1), OP_EQ, htonl(0x6e696f6e));
tt_uint_op(get_uint16(buf+1), OP_EQ, htons(0x6e69));
tt_uint_op(get_uint8(buf+1), OP_EQ, 0x6e);
set_uint8(buf+7, 0x61);
tt_mem_op(buf, OP_EQ, "onionsoap", 9);
set_uint16(buf+6, htons(0x746f));
tt_mem_op(buf, OP_EQ, "onionstop", 9);
set_uint32(buf+1, htonl(0x78696465));
tt_mem_op(buf, OP_EQ, "oxidestop", 9);
set_uint64(buf+1, htonll(U64_LITERAL(0x6266757363617465)));
tt_mem_op(buf, OP_EQ, "obfuscate", 9);
done:
;
}
/** Run unit tests for our random number generation function and its wrappers.
*/
static void
test_crypto_rng(void)
{
int i, j, allok;
char data1[100], data2[100];
double d;
/* Try out RNG. */
test_assert(! crypto_seed_rng(0));
crypto_rand(data1, 100);
crypto_rand(data2, 100);
test_memneq(data1,data2,100);
allok = 1;
for (i = 0; i < 100; ++i) {
uint64_t big;
char *host;
j = crypto_rand_int(100);
if (j < 0 || j >= 100)
allok = 0;
big = crypto_rand_uint64(U64_LITERAL(1)<<40);
if (big >= (U64_LITERAL(1)<<40))
allok = 0;
big = crypto_rand_uint64(U64_LITERAL(5));
if (big >= 5)
allok = 0;
d = crypto_rand_double();
test_assert(d >= 0);
test_assert(d < 1.0);
host = crypto_random_hostname(3,8,"www.",".onion");
if (strcmpstart(host,"www.") ||
strcmpend(host,".onion") ||
strlen(host) < 13 ||
strlen(host) > 18)
allok = 0;
tor_free(host);
}
test_assert(allok);
done:
;
}
static void
NS(test_main)(void *arg)
{
const char *expected;
char *actual;
(void)arg;
expected = "0 kB";
actual = bytes_to_usage(0);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "0 kB";
actual = bytes_to_usage(1);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1 kB";
actual = bytes_to_usage(1024);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1023 kB";
actual = bytes_to_usage((1 << 20) - 1);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.00 MB";
actual = bytes_to_usage((1 << 20));
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.00 MB";
actual = bytes_to_usage((1 << 20) + 5242);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.01 MB";
actual = bytes_to_usage((1 << 20) + 5243);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1024.00 MB";
actual = bytes_to_usage((1 << 30) - 1);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.00 GB";
actual = bytes_to_usage((1 << 30));
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.00 GB";
actual = bytes_to_usage((1 << 30) + 5368709);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "1.01 GB";
actual = bytes_to_usage((1 << 30) + 5368710);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
expected = "10.00 GB";
actual = bytes_to_usage((U64_LITERAL(1) << 30) * 10L);
tt_str_op(actual, OP_EQ, expected);
tor_free(actual);
done:
if (actual != NULL)
tor_free(actual);
}
/* Test outbound cell. The callstack is:
* channel_flush_some_cells()
* -> channel_flush_from_first_active_circuit()
* -> channel_write_packed_cell()
* -> write_packed_cell()
* -> chan->write_packed_cell() fct ptr.
*
* This test goes from a cell in a circuit up to the channel write handler
* that should put them on the connection outbuf. */
static void
test_channel_outbound_cell(void *arg)
{
int old_count;
channel_t *chan = NULL;
packed_cell_t *p_cell = NULL, *p_cell2 = NULL;
origin_circuit_t *circ = NULL;
cell_queue_t *queue;
(void) arg;
/* Set the test time to be mocked, since this test assumes that no
* time will pass, ewma values will not need to be re-scaled, and so on */
monotime_enable_test_mocking();
monotime_set_mock_time_nsec(U64_LITERAL(1000000000) * 12345);
cmux_ewma_set_options(NULL,NULL);
/* The channel will be freed so we need to hijack this so the scheduler
* doesn't get confused. */
MOCK(scheduler_release_channel, scheduler_release_channel_mock);
/* Accept cells to lower layer */
test_chan_accept_cells = 1;
/* Setup a valid circuit to queue a cell. */
circ = origin_circuit_new();
tt_assert(circ);
/* Circuit needs an origin purpose to be considered origin. */
TO_CIRCUIT(circ)->purpose = CIRCUIT_PURPOSE_C_GENERAL;
TO_CIRCUIT(circ)->n_circ_id = 42;
/* This is the outbound test so use the next channel queue. */
queue = &TO_CIRCUIT(circ)->n_chan_cells;
/* Setup packed cell to queue on the circuit. */
p_cell = packed_cell_new();
tt_assert(p_cell);
p_cell2 = packed_cell_new();
tt_assert(p_cell2);
/* Setup a channel to put the circuit on. */
chan = new_fake_channel();
tt_assert(chan);
chan->state = CHANNEL_STATE_OPENING;
channel_change_state_open(chan);
/* Outbound channel. */
channel_mark_outgoing(chan);
/* Try to register it so we can clean it through the channel cleanup
* process. */
channel_register(chan);
tt_int_op(chan->registered, OP_EQ, 1);
/* Set EWMA policy so we can pick it when flushing. */
circuitmux_set_policy(chan->cmux, &ewma_policy);
tt_ptr_op(circuitmux_get_policy(chan->cmux), OP_EQ, &ewma_policy);
/* Register circuit to the channel circid map which will attach the circuit
* to the channel's cmux as well. */
circuit_set_n_circid_chan(TO_CIRCUIT(circ), 42, chan);
tt_int_op(channel_num_circuits(chan), OP_EQ, 1);
/* Test the cmux state. */
tt_ptr_op(TO_CIRCUIT(circ)->n_mux, OP_EQ, chan->cmux);
tt_int_op(circuitmux_is_circuit_attached(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 1);
/* Flush the channel without any cell on it. */
old_count = test_cells_written;
ssize_t flushed = channel_flush_some_cells(chan, 1);
tt_i64_op(flushed, OP_EQ, 0);
tt_int_op(test_cells_written, OP_EQ, old_count);
tt_int_op(channel_more_to_flush(chan), OP_EQ, 0);
tt_int_op(circuitmux_num_active_circuits(chan->cmux), OP_EQ, 0);
tt_int_op(circuitmux_num_cells(chan->cmux), OP_EQ, 0);
tt_int_op(circuitmux_is_circuit_active(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 0);
tt_u64_op(chan->n_cells_xmitted, OP_EQ, 0);
tt_u64_op(chan->n_bytes_xmitted, OP_EQ, 0);
/* Queue cell onto the next queue that is the outbound direction. Than
* update its cmux so the circuit can be picked when flushing cells. */
cell_queue_append(queue, p_cell);
p_cell = NULL;
tt_int_op(queue->n, OP_EQ, 1);
cell_queue_append(queue, p_cell2);
p_cell2 = NULL;
tt_int_op(queue->n, OP_EQ, 2);
update_circuit_on_cmux(TO_CIRCUIT(circ), CELL_DIRECTION_OUT);
tt_int_op(circuitmux_num_active_circuits(chan->cmux), OP_EQ, 1);
tt_int_op(circuitmux_num_cells(chan->cmux), OP_EQ, 2);
tt_int_op(circuitmux_is_circuit_active(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 1);
/* From this point on, we have a queued cell on an active circuit attached
* to the channel's cmux. */
/* Flush the first cell. This is going to go down the call stack. */
old_count = test_cells_written;
flushed = channel_flush_some_cells(chan, 1);
tt_i64_op(flushed, OP_EQ, 1);
tt_int_op(test_cells_written, OP_EQ, old_count + 1);
tt_int_op(circuitmux_num_cells(chan->cmux), OP_EQ, 1);
tt_int_op(channel_more_to_flush(chan), OP_EQ, 1);
/* Circuit should remain active because there is a second cell queued. */
tt_int_op(circuitmux_is_circuit_active(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 1);
/* Should still be attached. */
tt_int_op(circuitmux_is_circuit_attached(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 1);
tt_u64_op(chan->n_cells_xmitted, OP_EQ, 1);
tt_u64_op(chan->n_bytes_xmitted, OP_EQ, get_cell_network_size(0));
/* Flush second cell. This is going to go down the call stack. */
old_count = test_cells_written;
flushed = channel_flush_some_cells(chan, 1);
tt_i64_op(flushed, OP_EQ, 1);
tt_int_op(test_cells_written, OP_EQ, old_count + 1);
tt_int_op(circuitmux_num_cells(chan->cmux), OP_EQ, 0);
tt_int_op(channel_more_to_flush(chan), OP_EQ, 0);
/* No more cells should make the circuit inactive. */
tt_int_op(circuitmux_is_circuit_active(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 0);
/* Should still be attached. */
tt_int_op(circuitmux_is_circuit_attached(chan->cmux, TO_CIRCUIT(circ)),
OP_EQ, 1);
tt_u64_op(chan->n_cells_xmitted, OP_EQ, 2);
tt_u64_op(chan->n_bytes_xmitted, OP_EQ, get_cell_network_size(0) * 2);
done:
if (circ) {
circuit_free_(TO_CIRCUIT(circ));
}
tor_free(p_cell);
channel_free_all();
UNMOCK(scheduler_release_channel);
monotime_disable_test_mocking();
}