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- /* Copyright (c) 2016, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * \file test_hs_service.c
- * \brief Test hidden service functionality.
- */
- #define HS_SERVICE_PRIVATE
- #define HS_INTROPOINT_PRIVATE
- #include "test.h"
- #include "log_test_helpers.h"
- #include "crypto.h"
- #include "hs/cell_establish_intro.h"
- #include "hs_service.h"
- #include "hs_intropoint.h"
- /** We simulate the creation of an outgoing ESTABLISH_INTRO cell, and then we
- * parse it from the receiver side. */
- static void
- test_gen_establish_intro_cell(void *arg)
- {
- (void) arg;
- ssize_t retval;
- uint8_t circuit_key_material[DIGEST_LEN] = {0};
- uint8_t buf[RELAY_PAYLOAD_SIZE];
- hs_cell_establish_intro_t *cell_out = NULL;
- hs_cell_establish_intro_t *cell_in = NULL;
- crypto_rand((char *) circuit_key_material, sizeof(circuit_key_material));
- /* Create outgoing ESTABLISH_INTRO cell and extract its payload so that we
- attempt to parse it. */
- {
- cell_out = generate_establish_intro_cell(circuit_key_material,
- sizeof(circuit_key_material));
- tt_assert(cell_out);
- retval = get_establish_intro_payload(buf, sizeof(buf), cell_out);
- tt_int_op(retval, >=, 0);
- }
- /* Parse it as the receiver */
- {
- ssize_t parse_result = hs_cell_establish_intro_parse(&cell_in,
- buf, sizeof(buf));
- tt_int_op(parse_result, >=, 0);
- retval = verify_establish_intro_cell(cell_in,
- circuit_key_material,
- sizeof(circuit_key_material));
- tt_int_op(retval, >=, 0);
- }
- done:
- hs_cell_establish_intro_free(cell_out);
- hs_cell_establish_intro_free(cell_in);
- }
- /* Mocked ed25519_sign_prefixed() function that always fails :) */
- static int
- mock_ed25519_sign_prefixed(ed25519_signature_t *signature_out,
- const uint8_t *msg, size_t msg_len,
- const char *prefix_str,
- const ed25519_keypair_t *keypair) {
- (void) signature_out;
- (void) msg;
- (void) msg_len;
- (void) prefix_str;
- (void) keypair;
- return -1;
- }
- /** We simulate a failure to create an ESTABLISH_INTRO cell */
- static void
- test_gen_establish_intro_cell_bad(void *arg)
- {
- (void) arg;
- hs_cell_establish_intro_t *cell = NULL;
- uint8_t circuit_key_material[DIGEST_LEN] = {0};
- MOCK(ed25519_sign_prefixed, mock_ed25519_sign_prefixed);
- crypto_rand((char *) circuit_key_material, sizeof(circuit_key_material));
- setup_full_capture_of_logs(LOG_WARN);
- /* Easiest way to make that function fail is to mock the
- ed25519_sign_prefixed() function and make it fail. */
- cell = generate_establish_intro_cell(circuit_key_material,
- sizeof(circuit_key_material));
- expect_log_msg_containing("Unable to gen signature for "
- "ESTABLISH_INTRO cell.");
- teardown_capture_of_logs();
- tt_assert(!cell);
- done:
- hs_cell_establish_intro_free(cell);
- UNMOCK(ed25519_sign_prefixed);
- }
- struct testcase_t hs_service_tests[] = {
- { "gen_establish_intro_cell", test_gen_establish_intro_cell, TT_FORK,
- NULL, NULL },
- { "gen_establish_intro_cell_bad", test_gen_establish_intro_cell_bad, TT_FORK,
- NULL, NULL },
- END_OF_TESTCASES
- };
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