#include "olm/olm.hh" #include "unittest.hh" #include <cstddef> #include <cstdint> #include <cstring> struct MockRandom { MockRandom(std::uint8_t tag, std::uint8_t offset = 0) : tag(tag), current(offset) {} void operator()( void * buf, std::size_t length ) { std::uint8_t * bytes = (std::uint8_t *) buf; while (length > 32) { bytes[0] = tag; std::memset(bytes + 1, current, 31); length -= 32; bytes += 32; current += 1; } if (length) { bytes[0] = tag; std::memset(bytes + 1, current, length - 1); current += 1; } } std::uint8_t tag; std::uint8_t current; }; std::uint8_t * check_malloc(std::size_t size) { if (size == std::size_t(-1)) { assert_not_equals(std::size_t(-1), size); } return (std::uint8_t *)::malloc(size); } int main() { { /** More messages test */ TestCase test_case("More messages test"); MockRandom mock_random_a('A', 0x00); MockRandom mock_random_b('B', 0x80); void * a_account_buffer = check_malloc(::olm_account_size()); ::OlmAccount *a_account = ::olm_account(a_account_buffer); std::size_t a_random_size = ::olm_create_account_random_length(a_account); void * a_random = check_malloc(a_random_size); mock_random_a(a_random, a_random_size); ::olm_create_account(a_account, a_random, a_random_size); free(a_random); void * b_account_buffer = check_malloc(::olm_account_size()); ::OlmAccount *b_account = ::olm_account(b_account_buffer); std::size_t b_random_size = ::olm_create_account_random_length(b_account); void * b_random = check_malloc(b_random_size); mock_random_b(b_random, b_random_size); ::olm_create_account(b_account, b_random, b_random_size); free(b_random); std::size_t o_random_size = ::olm_account_generate_one_time_keys_random_length( b_account, 42 ); void * o_random = check_malloc(o_random_size); mock_random_b(o_random, o_random_size); ::olm_account_generate_one_time_keys(b_account, 42, o_random, o_random_size); free(o_random); std::size_t b_id_keys_size = ::olm_account_identity_keys_length(b_account); std::size_t b_ot_keys_size = ::olm_account_one_time_keys_length(b_account); std::uint8_t * b_id_keys = (std::uint8_t *) check_malloc(b_id_keys_size); std::uint8_t * b_ot_keys = (std::uint8_t *) check_malloc(b_ot_keys_size); ::olm_account_identity_keys(b_account, b_id_keys, b_id_keys_size); ::olm_account_one_time_keys(b_account, b_ot_keys, b_ot_keys_size); void * a_session_buffer = check_malloc(::olm_session_size()); ::OlmSession *a_session = ::olm_session(a_session_buffer); std::size_t a_rand_size = ::olm_create_outbound_session_random_length(a_session); void * a_rand = check_malloc(a_rand_size); mock_random_a(a_rand, a_rand_size); assert_not_equals(std::size_t(-1), ::olm_create_outbound_session( a_session, a_account, b_id_keys + 15, 43, b_ot_keys + 25, 43, a_rand, a_rand_size )); free(b_id_keys); free(b_ot_keys); free(a_rand); void * plaintext = malloc(12); ::memcpy(plaintext, "Hello, World", 12); std::size_t message_1_size = ::olm_encrypt_message_length(a_session, 12); void * message_1 = check_malloc(message_1_size); std::size_t a_message_random_size = ::olm_encrypt_random_length(a_session); void * a_message_random = check_malloc(a_message_random_size); mock_random_a(a_message_random, a_message_random_size); assert_equals(std::size_t(0), ::olm_encrypt_message_type(a_session)); assert_not_equals(std::size_t(-1), ::olm_encrypt( a_session, plaintext, 12, a_message_random, a_message_random_size, message_1, message_1_size )); free(a_message_random); void * tmp_message_1 = check_malloc(message_1_size); std::memcpy(tmp_message_1, message_1, message_1_size); void * b_session_buffer = check_malloc(olm_account_size()); ::OlmSession *b_session = ::olm_session(b_session_buffer); ::olm_create_inbound_session( b_session, b_account, tmp_message_1, message_1_size ); std::memcpy(tmp_message_1, message_1, message_1_size); std::size_t plaintext_1_size = ::olm_decrypt_max_plaintext_length( b_session, 0, tmp_message_1, message_1_size ); void * plaintext_1 = check_malloc(plaintext_1_size); std::memcpy(tmp_message_1, message_1, message_1_size); assert_equals(std::size_t(12), ::olm_decrypt( b_session, 0, tmp_message_1, message_1_size, plaintext_1, plaintext_1_size )); free(tmp_message_1); free(plaintext_1); free(message_1); assert_not_equals( std::size_t(-1), ::olm_remove_one_time_keys(b_account, b_session) ); for (unsigned i = 0; i < 8; ++i) { { std::size_t msg_a_size = ::olm_encrypt_message_length(a_session, 12); std::size_t rnd_a_size = ::olm_encrypt_random_length(a_session); void * msg_a = check_malloc(msg_a_size); void * rnd_a = check_malloc(rnd_a_size); mock_random_a(rnd_a, rnd_a_size); std::size_t type_a = ::olm_encrypt_message_type(a_session); assert_not_equals(std::size_t(-1), ::olm_encrypt( a_session, plaintext, 12, rnd_a, rnd_a_size, msg_a, msg_a_size )); free(rnd_a); void * tmp_a = check_malloc(msg_a_size); std::memcpy(tmp_a, msg_a, msg_a_size); std::size_t out_a_size = ::olm_decrypt_max_plaintext_length( b_session, type_a, tmp_a, msg_a_size ); void * out_a = check_malloc(out_a_size); std::memcpy(tmp_a, msg_a, msg_a_size); assert_equals(std::size_t(12), ::olm_decrypt( b_session, type_a, tmp_a, msg_a_size, out_a, out_a_size )); free(tmp_a); free(msg_a); free(out_a); } { std::size_t msg_b_size = ::olm_encrypt_message_length(b_session, 12); std::size_t rnd_b_size = ::olm_encrypt_random_length(b_session); void * msg_b = check_malloc(msg_b_size); void * rnd_b = check_malloc(rnd_b_size); mock_random_b(rnd_b, rnd_b_size); std::size_t type_b = ::olm_encrypt_message_type(b_session); assert_not_equals(std::size_t(-1), ::olm_encrypt( b_session, plaintext, 12, rnd_b, rnd_b_size, msg_b, msg_b_size )); free(rnd_b); void * tmp_b = check_malloc(msg_b_size); std::memcpy(tmp_b, msg_b, msg_b_size); std::size_t out_b_size = ::olm_decrypt_max_plaintext_length( a_session, type_b, tmp_b, msg_b_size ); void * out_b = check_malloc(out_b_size); std::memcpy(tmp_b, msg_b, msg_b_size); assert_equals(std::size_t(12), ::olm_decrypt( a_session, type_b, msg_b, msg_b_size, out_b, out_b_size )); free(tmp_b); free(msg_b); free(out_b); } } ::olm_clear_account(a_account); ::olm_clear_account(b_account); ::olm_clear_session(a_session); ::olm_clear_session(b_session); free(a_account_buffer); free(b_account_buffer); free(a_session_buffer); free(b_session_buffer); free(plaintext); } }