/* BEGIN_HEADER */ #include #include #include #include #include #include #include #include #include #define SSL_MESSAGE_QUEUE_INIT { NULL, 0, 0, 0 } /* Mnemonics for the early data test scenarios */ #define TEST_EARLY_DATA_ACCEPTED 0 #define TEST_EARLY_DATA_NO_INDICATION_SENT 1 #define TEST_EARLY_DATA_SERVER_REJECTS 2 #define TEST_EARLY_DATA_HRR 3 #define TEST_EARLY_DATA_SAME_ALPN 4 #define TEST_EARLY_DATA_DIFF_ALPN 5 #define TEST_EARLY_DATA_NO_INITIAL_ALPN 6 #define TEST_EARLY_DATA_NO_LATER_ALPN 7 #if (!defined(MBEDTLS_SSL_PROTO_TLS1_2)) && \ defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_CLI_C) && \ defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_DEBUG_C) && \ defined(MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE) && \ defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \ defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED) && \ defined(MBEDTLS_MD_CAN_SHA256) && \ defined(MBEDTLS_ECP_HAVE_SECP256R1) && defined(MBEDTLS_ECP_HAVE_SECP384R1) && \ defined(MBEDTLS_PK_CAN_ECDSA_VERIFY) && defined(MBEDTLS_SSL_SESSION_TICKETS) /* * Test function to write early data for negative tests where * mbedtls_ssl_write_early_data() cannot be used. */ static int write_early_data(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len) { int ret = mbedtls_ssl_get_max_out_record_payload(ssl); TEST_ASSERT(ret > 0); TEST_LE_U(len, (size_t) ret); ret = mbedtls_ssl_flush_output(ssl); TEST_EQUAL(ret, 0); TEST_EQUAL(ssl->out_left, 0); ssl->out_msglen = len; ssl->out_msgtype = MBEDTLS_SSL_MSG_APPLICATION_DATA; if (len > 0) { memcpy(ssl->out_msg, buf, len); } ret = mbedtls_ssl_write_record(ssl, 1); TEST_EQUAL(ret, 0); ret = len; exit: return ret; } #endif /* END_HEADER */ /* BEGIN_DEPENDENCIES * depends_on:MBEDTLS_SSL_TLS_C * END_DEPENDENCIES */ /* BEGIN_CASE */ void test_callback_buffer_sanity() { enum { MSGLEN = 10 }; mbedtls_test_ssl_buffer buf; mbedtls_test_ssl_buffer_init(&buf); unsigned char input[MSGLEN]; unsigned char output[MSGLEN]; USE_PSA_INIT(); memset(input, 0, sizeof(input)); /* Make sure calling put and get on NULL buffer results in error. */ TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, input, sizeof(input)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_get(NULL, output, sizeof(output)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, NULL, sizeof(input)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, NULL, 0) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_get(NULL, NULL, 0) == -1); /* Make sure calling put and get on a buffer that hasn't been set up results * in error. */ TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, sizeof(input)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, output, sizeof(output)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, sizeof(input)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, 0) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, 0) == -1); /* Make sure calling put and get on NULL input only results in * error if the length is not zero, and that a NULL output is valid for data * dropping. */ TEST_ASSERT(mbedtls_test_ssl_buffer_setup(&buf, sizeof(input)) == 0); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, sizeof(input)) == -1); TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, sizeof(output)) == 0); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, 0) == 0); TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, 0) == 0); /* Make sure calling put several times in the row is safe */ TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, sizeof(input)) == sizeof(input)); TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, output, 2) == 2); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 2) == 1); TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 2) == 0); exit: mbedtls_test_ssl_buffer_free(&buf); USE_PSA_DONE(); } /* END_CASE */ /* * Test if the implementation of `mbedtls_test_ssl_buffer` related functions is * correct and works as expected. * * That is * - If we try to put in \p put1 bytes then we can put in \p put1_ret bytes. * - Afterwards if we try to get \p get1 bytes then we can get \get1_ret bytes. * - Next, if we try to put in \p put1 bytes then we can put in \p put1_ret * bytes. * - Afterwards if we try to get \p get1 bytes then we can get \get1_ret bytes. * - All of the bytes we got match the bytes we put in in a FIFO manner. */ /* BEGIN_CASE */ void test_callback_buffer(int size, int put1, int put1_ret, int get1, int get1_ret, int put2, int put2_ret, int get2, int get2_ret) { enum { ROUNDS = 2 }; size_t put[ROUNDS]; int put_ret[ROUNDS]; size_t get[ROUNDS]; int get_ret[ROUNDS]; mbedtls_test_ssl_buffer buf; unsigned char *input = NULL; size_t input_len; unsigned char *output = NULL; size_t output_len; size_t i, j, written, read; mbedtls_test_ssl_buffer_init(&buf); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_buffer_setup(&buf, size) == 0); /* Check the sanity of input parameters and initialise local variables. That * is, ensure that the amount of data is not negative and that we are not * expecting more to put or get than we actually asked for. */ TEST_ASSERT(put1 >= 0); put[0] = put1; put_ret[0] = put1_ret; TEST_ASSERT(put1_ret <= put1); TEST_ASSERT(put2 >= 0); put[1] = put2; put_ret[1] = put2_ret; TEST_ASSERT(put2_ret <= put2); TEST_ASSERT(get1 >= 0); get[0] = get1; get_ret[0] = get1_ret; TEST_ASSERT(get1_ret <= get1); TEST_ASSERT(get2 >= 0); get[1] = get2; get_ret[1] = get2_ret; TEST_ASSERT(get2_ret <= get2); input_len = 0; /* Calculate actual input and output lengths */ for (j = 0; j < ROUNDS; j++) { if (put_ret[j] > 0) { input_len += put_ret[j]; } } /* In order to always have a valid pointer we always allocate at least 1 * byte. */ if (input_len == 0) { input_len = 1; } TEST_CALLOC(input, input_len); output_len = 0; for (j = 0; j < ROUNDS; j++) { if (get_ret[j] > 0) { output_len += get_ret[j]; } } TEST_ASSERT(output_len <= input_len); /* In order to always have a valid pointer we always allocate at least 1 * byte. */ if (output_len == 0) { output_len = 1; } TEST_CALLOC(output, output_len); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < input_len; i++) { input[i] = i & 0xFF; } written = read = 0; for (j = 0; j < ROUNDS; j++) { TEST_ASSERT(put_ret[j] == mbedtls_test_ssl_buffer_put(&buf, input + written, put[j])); written += put_ret[j]; TEST_ASSERT(get_ret[j] == mbedtls_test_ssl_buffer_get(&buf, output + read, get[j])); read += get_ret[j]; TEST_ASSERT(read <= written); if (get_ret[j] > 0) { TEST_ASSERT(memcmp(output + read - get_ret[j], input + read - get_ret[j], get_ret[j]) == 0); } } exit: mbedtls_free(input); mbedtls_free(output); mbedtls_test_ssl_buffer_free(&buf); USE_PSA_DONE(); } /* END_CASE */ /* * Test if the implementation of `mbedtls_test_mock_socket` related * I/O functions is correct and works as expected on unconnected sockets. */ /* BEGIN_CASE */ void ssl_mock_sanity() { enum { MSGLEN = 105 }; unsigned char message[MSGLEN] = { 0 }; unsigned char received[MSGLEN] = { 0 }; mbedtls_test_mock_socket socket; mbedtls_test_mock_socket_init(&socket); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_mock_tcp_send_b(&socket, message, MSGLEN) < 0); mbedtls_test_mock_socket_close(&socket); mbedtls_test_mock_socket_init(&socket); TEST_ASSERT(mbedtls_test_mock_tcp_recv_b(&socket, received, MSGLEN) < 0); mbedtls_test_mock_socket_close(&socket); mbedtls_test_mock_socket_init(&socket); TEST_ASSERT(mbedtls_test_mock_tcp_send_nb(&socket, message, MSGLEN) < 0); mbedtls_test_mock_socket_close(&socket); mbedtls_test_mock_socket_init(&socket); TEST_ASSERT(mbedtls_test_mock_tcp_recv_nb(&socket, received, MSGLEN) < 0); mbedtls_test_mock_socket_close(&socket); exit: mbedtls_test_mock_socket_close(&socket); USE_PSA_DONE(); } /* END_CASE */ /* * Test if the implementation of `mbedtls_test_mock_socket` related functions * can send a single message from the client to the server. */ /* BEGIN_CASE */ void ssl_mock_tcp(int blocking) { enum { MSGLEN = 105 }; enum { BUFLEN = MSGLEN / 5 }; unsigned char message[MSGLEN]; unsigned char received[MSGLEN]; mbedtls_test_mock_socket client; mbedtls_test_mock_socket server; size_t written, read; int send_ret, recv_ret; mbedtls_ssl_send_t *send; mbedtls_ssl_recv_t *recv; unsigned i; if (blocking == 0) { send = mbedtls_test_mock_tcp_send_nb; recv = mbedtls_test_mock_tcp_recv_nb; } else { send = mbedtls_test_mock_tcp_send_b; recv = mbedtls_test_mock_tcp_recv_b; } mbedtls_test_mock_socket_init(&client); mbedtls_test_mock_socket_init(&server); USE_PSA_INIT(); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } /* Make sure that sending a message takes a few iterations. */ TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, BUFLEN)); /* Send the message to the server */ send_ret = recv_ret = 1; written = read = 0; while (send_ret != 0 || recv_ret != 0) { send_ret = send(&client, message + written, MSGLEN - written); TEST_ASSERT(send_ret >= 0); TEST_ASSERT(send_ret <= BUFLEN); written += send_ret; /* If the buffer is full we can test blocking and non-blocking send */ if (send_ret == BUFLEN) { int blocking_ret = send(&client, message, 1); if (blocking) { TEST_ASSERT(blocking_ret == 0); } else { TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_WRITE); } } recv_ret = recv(&server, received + read, MSGLEN - read); /* The result depends on whether any data was sent */ if (send_ret > 0) { TEST_ASSERT(recv_ret > 0); TEST_ASSERT(recv_ret <= BUFLEN); read += recv_ret; } else if (blocking) { TEST_ASSERT(recv_ret == 0); } else { TEST_ASSERT(recv_ret == MBEDTLS_ERR_SSL_WANT_READ); recv_ret = 0; } /* If the buffer is empty we can test blocking and non-blocking read */ if (recv_ret == BUFLEN) { int blocking_ret = recv(&server, received, 1); if (blocking) { TEST_ASSERT(blocking_ret == 0); } else { TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_READ); } } } TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); exit: mbedtls_test_mock_socket_close(&client); mbedtls_test_mock_socket_close(&server); USE_PSA_DONE(); } /* END_CASE */ /* * Test if the implementation of `mbedtls_test_mock_socket` related functions * can send messages in both direction at the same time (with the I/O calls * interleaving). */ /* BEGIN_CASE */ void ssl_mock_tcp_interleaving(int blocking) { enum { ROUNDS = 2 }; enum { MSGLEN = 105 }; enum { BUFLEN = MSGLEN / 5 }; unsigned char message[ROUNDS][MSGLEN]; unsigned char received[ROUNDS][MSGLEN]; mbedtls_test_mock_socket client; mbedtls_test_mock_socket server; size_t written[ROUNDS]; size_t read[ROUNDS]; int send_ret[ROUNDS]; int recv_ret[ROUNDS]; unsigned i, j, progress; mbedtls_ssl_send_t *send; mbedtls_ssl_recv_t *recv; if (blocking == 0) { send = mbedtls_test_mock_tcp_send_nb; recv = mbedtls_test_mock_tcp_recv_nb; } else { send = mbedtls_test_mock_tcp_send_b; recv = mbedtls_test_mock_tcp_recv_b; } mbedtls_test_mock_socket_init(&client); mbedtls_test_mock_socket_init(&server); USE_PSA_INIT(); /* Fill up the buffers with structured data so that unwanted changes * can be detected */ for (i = 0; i < ROUNDS; i++) { for (j = 0; j < MSGLEN; j++) { message[i][j] = (i * MSGLEN + j) & 0xFF; } } /* Make sure that sending a message takes a few iterations. */ TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, BUFLEN)); /* Send the message from both sides, interleaving. */ progress = 1; for (i = 0; i < ROUNDS; i++) { written[i] = 0; read[i] = 0; } /* This loop does not stop as long as there was a successful write or read * of at least one byte on either side. */ while (progress != 0) { mbedtls_test_mock_socket *socket; for (i = 0; i < ROUNDS; i++) { /* First sending is from the client */ socket = (i % 2 == 0) ? (&client) : (&server); send_ret[i] = send(socket, message[i] + written[i], MSGLEN - written[i]); TEST_ASSERT(send_ret[i] >= 0); TEST_ASSERT(send_ret[i] <= BUFLEN); written[i] += send_ret[i]; /* If the buffer is full we can test blocking and non-blocking * send */ if (send_ret[i] == BUFLEN) { int blocking_ret = send(socket, message[i], 1); if (blocking) { TEST_ASSERT(blocking_ret == 0); } else { TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_WRITE); } } } for (i = 0; i < ROUNDS; i++) { /* First receiving is from the server */ socket = (i % 2 == 0) ? (&server) : (&client); recv_ret[i] = recv(socket, received[i] + read[i], MSGLEN - read[i]); /* The result depends on whether any data was sent */ if (send_ret[i] > 0) { TEST_ASSERT(recv_ret[i] > 0); TEST_ASSERT(recv_ret[i] <= BUFLEN); read[i] += recv_ret[i]; } else if (blocking) { TEST_ASSERT(recv_ret[i] == 0); } else { TEST_ASSERT(recv_ret[i] == MBEDTLS_ERR_SSL_WANT_READ); recv_ret[i] = 0; } /* If the buffer is empty we can test blocking and non-blocking * read */ if (recv_ret[i] == BUFLEN) { int blocking_ret = recv(socket, received[i], 1); if (blocking) { TEST_ASSERT(blocking_ret == 0); } else { TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_READ); } } } progress = 0; for (i = 0; i < ROUNDS; i++) { progress += send_ret[i] + recv_ret[i]; } } for (i = 0; i < ROUNDS; i++) { TEST_ASSERT(memcmp(message[i], received[i], MSGLEN) == 0); } exit: mbedtls_test_mock_socket_close(&client); mbedtls_test_mock_socket_close(&server); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_queue_sanity() { mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT; USE_PSA_INIT(); /* Trying to push/pull to an empty queue */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(NULL, 1) == MBEDTLS_TEST_ERROR_ARG_NULL); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(NULL, 1) == MBEDTLS_TEST_ERROR_ARG_NULL); TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0); TEST_ASSERT(queue.capacity == 3); TEST_ASSERT(queue.num == 0); exit: mbedtls_test_ssl_message_queue_free(&queue); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_queue_basic() { mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT; USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0); /* Sanity test - 3 pushes and 3 pops with sufficient space */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(queue.capacity == 3); TEST_ASSERT(queue.num == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(queue.capacity == 3); TEST_ASSERT(queue.num == 2); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2); TEST_ASSERT(queue.capacity == 3); TEST_ASSERT(queue.num == 3); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2); exit: mbedtls_test_ssl_message_queue_free(&queue); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_queue_overflow_underflow() { mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT; USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0); /* 4 pushes (last one with an error), 4 pops (last one with an error) */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 3) == MBEDTLS_ERR_SSL_WANT_WRITE); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == MBEDTLS_ERR_SSL_WANT_READ); exit: mbedtls_test_ssl_message_queue_free(&queue); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_queue_interleaved() { mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT; USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0); /* Interleaved test - [2 pushes, 1 pop] twice, and then two pops * (to wrap around the buffer) */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 3) == 3); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 5) == 5); TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 8) == 8); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 3) == 3); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 5) == 5); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 8) == 8); exit: mbedtls_test_ssl_message_queue_free(&queue); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_queue_insufficient_buffer() { mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT; size_t message_len = 10; size_t buffer_len = 5; USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 1) == 0); /* Popping without a sufficient buffer */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, message_len) == (int) message_len); TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, buffer_len) == (int) buffer_len); exit: mbedtls_test_ssl_message_queue_free(&queue); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_uninitialized() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN] = { 0 }, received[MSGLEN]; mbedtls_test_mock_socket client, server; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); /* Send with a NULL context */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(NULL, message, MSGLEN) == MBEDTLS_TEST_ERROR_CONTEXT_ERROR); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(NULL, message, MSGLEN) == MBEDTLS_TEST_ERROR_CONTEXT_ERROR); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 1, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 1, &client, &client_context) == 0); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MBEDTLS_TEST_ERROR_SEND_FAILED); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_ERR_SSL_WANT_READ); /* Push directly to a queue to later simulate a disconnected behavior */ TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&server_queue, MSGLEN) == MSGLEN); /* Test if there's an error when trying to read from a disconnected * socket */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_TEST_ERROR_RECV_FAILED); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_basic() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 1, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 1, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN)); /* Send the message to the server */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); /* Read from the server */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, MSGLEN); /* Send the message to the client */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message, MSGLEN) == MSGLEN); /* Read from the client */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_queue_overflow_underflow() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 2, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 2, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN*2)); /* Send three message to the server, last one with an error */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN - 1) == MSGLEN - 1); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MBEDTLS_ERR_SSL_WANT_WRITE); /* Read three messages from the server, last one with an error */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN - 1) == MSGLEN - 1); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_ERR_SSL_WANT_READ); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_socket_overflow() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 2, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 2, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN)); /* Send two message to the server, second one with an error */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MBEDTLS_TEST_ERROR_SEND_FAILED); /* Read the only message from the server */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_truncated() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 2, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 2, &client, &client_context) == 0); memset(received, 0, MSGLEN); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, 2 * MSGLEN)); /* Send two messages to the server, the second one small enough to fit in the * receiver's buffer. */ TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN / 2) == MSGLEN / 2); /* Read a truncated message from the server */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN/2) == MSGLEN/2); /* Test that the first half of the message is valid, and second one isn't */ TEST_ASSERT(memcmp(message, received, MSGLEN/2) == 0); TEST_ASSERT(memcmp(message + MSGLEN/2, received + MSGLEN/2, MSGLEN/2) != 0); memset(received, 0, MSGLEN); /* Read a full message from the server */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN/2) == MSGLEN / 2); /* Test that the first half of the message is valid */ TEST_ASSERT(memcmp(message, received, MSGLEN/2) == 0); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_socket_read_error() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 1, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 1, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN)); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); /* Force a read error by disconnecting the socket by hand */ server.status = 0; TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_TEST_ERROR_RECV_FAILED); /* Return to a valid state */ server.status = MBEDTLS_MOCK_SOCKET_CONNECTED; memset(received, 0, sizeof(received)); /* Test that even though the server tried to read once disconnected, the * continuity is preserved */ TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_interleaved_one_way() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 3, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 3, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN*3)); /* Interleaved test - [2 sends, 1 read] twice, and then two reads * (to wrap around the buffer) */ for (i = 0; i < 2; i++) { TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, sizeof(received)); } for (i = 0; i < 2; i++) { TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); } TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_ERR_SSL_WANT_READ); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_message_mock_interleaved_two_ways() { enum { MSGLEN = 10 }; unsigned char message[MSGLEN], received[MSGLEN]; mbedtls_test_mock_socket client, server; unsigned i; mbedtls_test_ssl_message_queue server_queue, client_queue; mbedtls_test_message_socket_context server_context, client_context; mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue, &client_queue, 3, &server, &server_context) == 0); TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue, &server_queue, 3, &client, &client_context) == 0); /* Fill up the buffer with structured data so that unwanted changes * can be detected */ for (i = 0; i < MSGLEN; i++) { message[i] = i & 0xFF; } TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server, MSGLEN*3)); /* Interleaved test - [2 sends, 1 read] twice, both ways, and then two reads * (to wrap around the buffer) both ways. */ for (i = 0; i < 2; i++) { TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message, MSGLEN) == MSGLEN); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, sizeof(received)); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, sizeof(received)); } for (i = 0; i < 2; i++) { TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, sizeof(received)); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received, MSGLEN) == MSGLEN); TEST_ASSERT(memcmp(message, received, MSGLEN) == 0); memset(received, 0, sizeof(received)); } TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received, MSGLEN) == MBEDTLS_ERR_SSL_WANT_READ); TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received, MSGLEN) == MBEDTLS_ERR_SSL_WANT_READ); exit: mbedtls_test_message_socket_close(&server_context); mbedtls_test_message_socket_close(&client_context); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_ANTI_REPLAY */ void ssl_dtls_replay(data_t *prevs, data_t *new, int ret) { uint32_t len = 0; mbedtls_ssl_context ssl; mbedtls_ssl_config conf; mbedtls_ssl_init(&ssl); mbedtls_ssl_config_init(&conf); MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_DATAGRAM, MBEDTLS_SSL_PRESET_DEFAULT) == 0); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0); /* Read previous record numbers */ for (len = 0; len < prevs->len; len += 6) { memcpy(ssl.in_ctr + 2, prevs->x + len, 6); mbedtls_ssl_dtls_replay_update(&ssl); } /* Check new number */ memcpy(ssl.in_ctr + 2, new->x, 6); TEST_ASSERT(mbedtls_ssl_dtls_replay_check(&ssl) == ret); exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ void ssl_set_hostname_twice(char *input_hostname0, char *input_hostname1) { const char *output_hostname; mbedtls_ssl_context ssl; mbedtls_ssl_init(&ssl); USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, input_hostname0) == 0); output_hostname = mbedtls_ssl_get_hostname(&ssl); TEST_ASSERT(strcmp(input_hostname0, output_hostname) == 0); TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, input_hostname1) == 0); output_hostname = mbedtls_ssl_get_hostname(&ssl); TEST_ASSERT(strcmp(input_hostname1, output_hostname) == 0); exit: mbedtls_ssl_free(&ssl); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_crypt_record(int cipher_type, int hash_id, int etm, int tag_mode, int ver, int cid0_len, int cid1_len) { /* * Test several record encryptions and decryptions * with plenty of space before and after the data * within the record buffer. */ int ret; int num_records = 16; mbedtls_ssl_context ssl; /* ONLY for debugging */ mbedtls_ssl_transform t0, t1; unsigned char *buf = NULL; size_t const buflen = 512; mbedtls_record rec, rec_backup; mbedtls_ssl_init(&ssl); mbedtls_ssl_transform_init(&t0); mbedtls_ssl_transform_init(&t1); MD_OR_USE_PSA_INIT(); ret = mbedtls_test_ssl_build_transforms(&t0, &t1, cipher_type, hash_id, etm, tag_mode, ver, (size_t) cid0_len, (size_t) cid1_len); TEST_ASSERT(ret == 0); TEST_CALLOC(buf, buflen); while (num_records-- > 0) { mbedtls_ssl_transform *t_dec, *t_enc; /* Take turns in who's sending and who's receiving. */ if (num_records % 3 == 0) { t_dec = &t0; t_enc = &t1; } else { t_dec = &t1; t_enc = &t0; } /* * The record header affects the transformation in two ways: * 1) It determines the AEAD additional data * 2) The record counter sometimes determines the IV. * * Apart from that, the fields don't have influence. * In particular, it is currently not the responsibility * of ssl_encrypt/decrypt_buf to check if the transform * version matches the record version, or that the * type is sensible. */ memset(rec.ctr, num_records, sizeof(rec.ctr)); rec.type = 42; rec.ver[0] = num_records; rec.ver[1] = num_records; #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) rec.cid_len = 0; #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ rec.buf = buf; rec.buf_len = buflen; rec.data_offset = 16; /* Make sure to vary the length to exercise different * paddings. */ rec.data_len = 1 + num_records; memset(rec.buf + rec.data_offset, 42, rec.data_len); /* Make a copy for later comparison */ rec_backup = rec; /* Encrypt record */ ret = mbedtls_ssl_encrypt_buf(&ssl, t_enc, &rec, mbedtls_test_rnd_std_rand, NULL); TEST_ASSERT(ret == 0 || ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); if (ret != 0) { continue; } #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (rec.cid_len != 0) { /* DTLS 1.2 + CID hides the real content type and * uses a special CID content type in the protected * record. Double-check this. */ TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_CID); } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (t_enc->tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { /* TLS 1.3 hides the real content type and * always uses Application Data as the content type * for protected records. Double-check this. */ TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA); } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ /* Decrypt record with t_dec */ ret = mbedtls_ssl_decrypt_buf(&ssl, t_dec, &rec); TEST_ASSERT(ret == 0); /* Compare results */ TEST_ASSERT(rec.type == rec_backup.type); TEST_ASSERT(memcmp(rec.ctr, rec_backup.ctr, 8) == 0); TEST_ASSERT(rec.ver[0] == rec_backup.ver[0]); TEST_ASSERT(rec.ver[1] == rec_backup.ver[1]); TEST_ASSERT(rec.data_len == rec_backup.data_len); TEST_ASSERT(rec.data_offset == rec_backup.data_offset); TEST_ASSERT(memcmp(rec.buf + rec.data_offset, rec_backup.buf + rec_backup.data_offset, rec.data_len) == 0); } exit: /* Cleanup */ mbedtls_ssl_free(&ssl); mbedtls_ssl_transform_free(&t0); mbedtls_ssl_transform_free(&t1); mbedtls_free(buf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_crypt_record_small(int cipher_type, int hash_id, int etm, int tag_mode, int ver, int cid0_len, int cid1_len) { /* * Test pairs of encryption and decryption with an increasing * amount of space in the record buffer - in more detail: * 1) Try to encrypt with 0, 1, 2, ... bytes available * in front of the plaintext, and expect the encryption * to succeed starting from some offset. Always keep * enough space in the end of the buffer. * 2) Try to encrypt with 0, 1, 2, ... bytes available * at the end of the plaintext, and expect the encryption * to succeed starting from some offset. Always keep * enough space at the beginning of the buffer. * 3) Try to encrypt with 0, 1, 2, ... bytes available * both at the front and end of the plaintext, * and expect the encryption to succeed starting from * some offset. * * If encryption succeeds, check that decryption succeeds * and yields the original record. */ mbedtls_ssl_context ssl; /* ONLY for debugging */ mbedtls_ssl_transform t0, t1; unsigned char *buf = NULL; size_t const buflen = 256; mbedtls_record rec, rec_backup; int ret; int mode; /* Mode 1, 2 or 3 as explained above */ size_t offset; /* Available space at beginning/end/both */ size_t threshold = 96; /* Maximum offset to test against */ size_t default_pre_padding = 64; /* Pre-padding to use in mode 2 */ size_t default_post_padding = 128; /* Post-padding to use in mode 1 */ int seen_success; /* Indicates if in the current mode we've * already seen a successful test. */ mbedtls_ssl_init(&ssl); mbedtls_ssl_transform_init(&t0); mbedtls_ssl_transform_init(&t1); MD_OR_USE_PSA_INIT(); ret = mbedtls_test_ssl_build_transforms(&t0, &t1, cipher_type, hash_id, etm, tag_mode, ver, (size_t) cid0_len, (size_t) cid1_len); TEST_ASSERT(ret == 0); TEST_CALLOC(buf, buflen); for (mode = 1; mode <= 3; mode++) { seen_success = 0; for (offset = 0; offset <= threshold; offset++) { mbedtls_ssl_transform *t_dec, *t_enc; t_dec = &t0; t_enc = &t1; memset(rec.ctr, offset, sizeof(rec.ctr)); rec.type = 42; rec.ver[0] = offset; rec.ver[1] = offset; rec.buf = buf; rec.buf_len = buflen; #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) rec.cid_len = 0; #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ switch (mode) { case 1: /* Space in the beginning */ rec.data_offset = offset; rec.data_len = buflen - offset - default_post_padding; break; case 2: /* Space in the end */ rec.data_offset = default_pre_padding; rec.data_len = buflen - default_pre_padding - offset; break; case 3: /* Space in the beginning and end */ rec.data_offset = offset; rec.data_len = buflen - 2 * offset; break; default: TEST_ASSERT(0); break; } memset(rec.buf + rec.data_offset, 42, rec.data_len); /* Make a copy for later comparison */ rec_backup = rec; /* Encrypt record */ ret = mbedtls_ssl_encrypt_buf(&ssl, t_enc, &rec, mbedtls_test_rnd_std_rand, NULL); if (ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) { /* It's ok if the output buffer is too small. We do insist * on at least one mode succeeding; this is tracked by * seen_success. */ continue; } TEST_EQUAL(ret, 0); seen_success = 1; #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (rec.cid_len != 0) { /* DTLS 1.2 + CID hides the real content type and * uses a special CID content type in the protected * record. Double-check this. */ TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_CID); } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (t_enc->tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { /* TLS 1.3 hides the real content type and * always uses Application Data as the content type * for protected records. Double-check this. */ TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA); } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ /* Decrypt record with t_dec */ TEST_ASSERT(mbedtls_ssl_decrypt_buf(&ssl, t_dec, &rec) == 0); /* Compare results */ TEST_ASSERT(rec.type == rec_backup.type); TEST_ASSERT(memcmp(rec.ctr, rec_backup.ctr, 8) == 0); TEST_ASSERT(rec.ver[0] == rec_backup.ver[0]); TEST_ASSERT(rec.ver[1] == rec_backup.ver[1]); TEST_ASSERT(rec.data_len == rec_backup.data_len); TEST_ASSERT(rec.data_offset == rec_backup.data_offset); TEST_ASSERT(memcmp(rec.buf + rec.data_offset, rec_backup.buf + rec_backup.data_offset, rec.data_len) == 0); } TEST_ASSERT(seen_success == 1); } exit: /* Cleanup */ mbedtls_ssl_free(&ssl); mbedtls_ssl_transform_free(&t0); mbedtls_ssl_transform_free(&t1); mbedtls_free(buf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_hkdf_expand_label(int hash_alg, data_t *secret, int label_idx, data_t *ctx, int desired_length, data_t *expected) { unsigned char dst[100]; unsigned char const *lbl = NULL; size_t lbl_len; #define MBEDTLS_SSL_TLS1_3_LABEL(name, string) \ if (label_idx == (int) tls13_label_ ## name) \ { \ lbl = mbedtls_ssl_tls13_labels.name; \ lbl_len = sizeof(mbedtls_ssl_tls13_labels.name); \ } MBEDTLS_SSL_TLS1_3_LABEL_LIST #undef MBEDTLS_SSL_TLS1_3_LABEL TEST_ASSERT(lbl != NULL); /* Check sanity of test parameters. */ TEST_ASSERT((size_t) desired_length <= sizeof(dst)); TEST_ASSERT((size_t) desired_length == expected->len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_hkdf_expand_label( (psa_algorithm_t) hash_alg, secret->x, secret->len, lbl, lbl_len, ctx->x, ctx->len, dst, desired_length) == 0); TEST_MEMORY_COMPARE(dst, (size_t) desired_length, expected->x, (size_t) expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_traffic_key_generation(int hash_alg, data_t *server_secret, data_t *client_secret, int desired_iv_len, int desired_key_len, data_t *expected_server_write_key, data_t *expected_server_write_iv, data_t *expected_client_write_key, data_t *expected_client_write_iv) { mbedtls_ssl_key_set keys; /* Check sanity of test parameters. */ TEST_ASSERT(client_secret->len == server_secret->len); TEST_ASSERT( expected_client_write_iv->len == expected_server_write_iv->len && expected_client_write_iv->len == (size_t) desired_iv_len); TEST_ASSERT( expected_client_write_key->len == expected_server_write_key->len && expected_client_write_key->len == (size_t) desired_key_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_make_traffic_keys( (psa_algorithm_t) hash_alg, client_secret->x, server_secret->x, client_secret->len /* == server_secret->len */, desired_key_len, desired_iv_len, &keys) == 0); TEST_MEMORY_COMPARE(keys.client_write_key, keys.key_len, expected_client_write_key->x, (size_t) desired_key_len); TEST_MEMORY_COMPARE(keys.server_write_key, keys.key_len, expected_server_write_key->x, (size_t) desired_key_len); TEST_MEMORY_COMPARE(keys.client_write_iv, keys.iv_len, expected_client_write_iv->x, (size_t) desired_iv_len); TEST_MEMORY_COMPARE(keys.server_write_iv, keys.iv_len, expected_server_write_iv->x, (size_t) desired_iv_len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_derive_secret(int hash_alg, data_t *secret, int label_idx, data_t *ctx, int desired_length, int already_hashed, data_t *expected) { unsigned char dst[100]; unsigned char const *lbl = NULL; size_t lbl_len; #define MBEDTLS_SSL_TLS1_3_LABEL(name, string) \ if (label_idx == (int) tls13_label_ ## name) \ { \ lbl = mbedtls_ssl_tls13_labels.name; \ lbl_len = sizeof(mbedtls_ssl_tls13_labels.name); \ } MBEDTLS_SSL_TLS1_3_LABEL_LIST #undef MBEDTLS_SSL_TLS1_3_LABEL TEST_ASSERT(lbl != NULL); /* Check sanity of test parameters. */ TEST_ASSERT((size_t) desired_length <= sizeof(dst)); TEST_ASSERT((size_t) desired_length == expected->len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_derive_secret( (psa_algorithm_t) hash_alg, secret->x, secret->len, lbl, lbl_len, ctx->x, ctx->len, already_hashed, dst, desired_length) == 0); TEST_MEMORY_COMPARE(dst, desired_length, expected->x, desired_length); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_derive_early_secrets(int hash_alg, data_t *secret, data_t *transcript, data_t *traffic_expected, data_t *exporter_expected) { mbedtls_ssl_tls13_early_secrets secrets; /* Double-check that we've passed sane parameters. */ psa_algorithm_t alg = (psa_algorithm_t) hash_alg; size_t const hash_len = PSA_HASH_LENGTH(alg); TEST_ASSERT(PSA_ALG_IS_HASH(alg) && secret->len == hash_len && transcript->len == hash_len && traffic_expected->len == hash_len && exporter_expected->len == hash_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_derive_early_secrets( alg, secret->x, transcript->x, transcript->len, &secrets) == 0); TEST_MEMORY_COMPARE(secrets.client_early_traffic_secret, hash_len, traffic_expected->x, traffic_expected->len); TEST_MEMORY_COMPARE(secrets.early_exporter_master_secret, hash_len, exporter_expected->x, exporter_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_derive_handshake_secrets(int hash_alg, data_t *secret, data_t *transcript, data_t *client_expected, data_t *server_expected) { mbedtls_ssl_tls13_handshake_secrets secrets; /* Double-check that we've passed sane parameters. */ psa_algorithm_t alg = (psa_algorithm_t) hash_alg; size_t const hash_len = PSA_HASH_LENGTH(alg); TEST_ASSERT(PSA_ALG_IS_HASH(alg) && secret->len == hash_len && transcript->len == hash_len && client_expected->len == hash_len && server_expected->len == hash_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_derive_handshake_secrets( alg, secret->x, transcript->x, transcript->len, &secrets) == 0); TEST_MEMORY_COMPARE(secrets.client_handshake_traffic_secret, hash_len, client_expected->x, client_expected->len); TEST_MEMORY_COMPARE(secrets.server_handshake_traffic_secret, hash_len, server_expected->x, server_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_derive_application_secrets(int hash_alg, data_t *secret, data_t *transcript, data_t *client_expected, data_t *server_expected, data_t *exporter_expected) { mbedtls_ssl_tls13_application_secrets secrets; /* Double-check that we've passed sane parameters. */ psa_algorithm_t alg = (psa_algorithm_t) hash_alg; size_t const hash_len = PSA_HASH_LENGTH(alg); TEST_ASSERT(PSA_ALG_IS_HASH(alg) && secret->len == hash_len && transcript->len == hash_len && client_expected->len == hash_len && server_expected->len == hash_len && exporter_expected->len == hash_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_derive_application_secrets( alg, secret->x, transcript->x, transcript->len, &secrets) == 0); TEST_MEMORY_COMPARE(secrets.client_application_traffic_secret_N, hash_len, client_expected->x, client_expected->len); TEST_MEMORY_COMPARE(secrets.server_application_traffic_secret_N, hash_len, server_expected->x, server_expected->len); TEST_MEMORY_COMPARE(secrets.exporter_master_secret, hash_len, exporter_expected->x, exporter_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_derive_resumption_secrets(int hash_alg, data_t *secret, data_t *transcript, data_t *resumption_expected) { mbedtls_ssl_tls13_application_secrets secrets; /* Double-check that we've passed sane parameters. */ psa_algorithm_t alg = (psa_algorithm_t) hash_alg; size_t const hash_len = PSA_HASH_LENGTH(alg); TEST_ASSERT(PSA_ALG_IS_HASH(alg) && secret->len == hash_len && transcript->len == hash_len && resumption_expected->len == hash_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_derive_resumption_master_secret( alg, secret->x, transcript->x, transcript->len, &secrets) == 0); TEST_MEMORY_COMPARE(secrets.resumption_master_secret, hash_len, resumption_expected->x, resumption_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_create_psk_binder(int hash_alg, data_t *psk, int psk_type, data_t *transcript, data_t *binder_expected) { unsigned char binder[MBEDTLS_MD_MAX_SIZE]; /* Double-check that we've passed sane parameters. */ psa_algorithm_t alg = (psa_algorithm_t) hash_alg; size_t const hash_len = PSA_HASH_LENGTH(alg); TEST_ASSERT(PSA_ALG_IS_HASH(alg) && transcript->len == hash_len && binder_expected->len == hash_len); PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_create_psk_binder( NULL, /* SSL context for debugging only */ alg, psk->x, psk->len, psk_type, transcript->x, binder) == 0); TEST_MEMORY_COMPARE(binder, hash_len, binder_expected->x, binder_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_record_protection(int ciphersuite, int endpoint, int ctr, int padding_used, data_t *server_write_key, data_t *server_write_iv, data_t *client_write_key, data_t *client_write_iv, data_t *plaintext, data_t *ciphertext) { mbedtls_ssl_key_set keys; mbedtls_ssl_transform transform_send; mbedtls_ssl_transform_init(&transform_send); mbedtls_ssl_transform transform_recv; mbedtls_ssl_transform_init(&transform_recv); mbedtls_record rec; unsigned char *buf = NULL; size_t buf_len; int other_endpoint; TEST_ASSERT(endpoint == MBEDTLS_SSL_IS_CLIENT || endpoint == MBEDTLS_SSL_IS_SERVER); if (endpoint == MBEDTLS_SSL_IS_SERVER) { other_endpoint = MBEDTLS_SSL_IS_CLIENT; } if (endpoint == MBEDTLS_SSL_IS_CLIENT) { other_endpoint = MBEDTLS_SSL_IS_SERVER; } TEST_ASSERT(server_write_key->len == client_write_key->len); TEST_ASSERT(server_write_iv->len == client_write_iv->len); memcpy(keys.client_write_key, client_write_key->x, client_write_key->len); memcpy(keys.client_write_iv, client_write_iv->x, client_write_iv->len); memcpy(keys.server_write_key, server_write_key->x, server_write_key->len); memcpy(keys.server_write_iv, server_write_iv->x, server_write_iv->len); keys.key_len = server_write_key->len; keys.iv_len = server_write_iv->len; MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_populate_transform( &transform_send, endpoint, ciphersuite, &keys, NULL) == 0); TEST_ASSERT(mbedtls_ssl_tls13_populate_transform( &transform_recv, other_endpoint, ciphersuite, &keys, NULL) == 0); /* Make sure we have enough space in the buffer even if * we use more padding than the KAT. */ buf_len = ciphertext->len + MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY; TEST_CALLOC(buf, buf_len); rec.type = MBEDTLS_SSL_MSG_APPLICATION_DATA; /* TLS 1.3 uses the version identifier from TLS 1.2 on the wire. */ mbedtls_ssl_write_version(rec.ver, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_VERSION_TLS1_2); /* Copy plaintext into record structure */ rec.buf = buf; rec.buf_len = buf_len; rec.data_offset = 0; TEST_ASSERT(plaintext->len <= ciphertext->len); memcpy(rec.buf + rec.data_offset, plaintext->x, plaintext->len); rec.data_len = plaintext->len; #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) rec.cid_len = 0; #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ memset(&rec.ctr[0], 0, 8); rec.ctr[7] = ctr; TEST_ASSERT(mbedtls_ssl_encrypt_buf(NULL, &transform_send, &rec, NULL, NULL) == 0); if (padding_used == MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY) { TEST_MEMORY_COMPARE(rec.buf + rec.data_offset, rec.data_len, ciphertext->x, ciphertext->len); } TEST_ASSERT(mbedtls_ssl_decrypt_buf(NULL, &transform_recv, &rec) == 0); TEST_MEMORY_COMPARE(rec.buf + rec.data_offset, rec.data_len, plaintext->x, plaintext->len); exit: mbedtls_free(buf); mbedtls_ssl_transform_free(&transform_send); mbedtls_ssl_transform_free(&transform_recv); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */ void ssl_tls13_key_evolution(int hash_alg, data_t *secret, data_t *input, data_t *expected) { unsigned char secret_new[MBEDTLS_MD_MAX_SIZE]; PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls13_evolve_secret( (psa_algorithm_t) hash_alg, secret->len ? secret->x : NULL, input->len ? input->x : NULL, input->len, secret_new) == 0); TEST_MEMORY_COMPARE(secret_new, (size_t) expected->len, expected->x, (size_t) expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_2 */ void ssl_tls_prf(int type, data_t *secret, data_t *random, char *label, data_t *result_str, int exp_ret) { unsigned char *output; output = mbedtls_calloc(1, result_str->len); if (output == NULL) { goto exit; } MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_tls_prf(type, secret->x, secret->len, label, random->x, random->len, output, result_str->len) == exp_ret); if (exp_ret == 0) { TEST_ASSERT(mbedtls_test_hexcmp(output, result_str->x, result_str->len, result_str->len) == 0); } exit: mbedtls_free(output); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_serialize_session_save_load(int ticket_len, char *crt_file, int endpoint_type, int tls_version) { mbedtls_ssl_session original, restored; unsigned char *buf = NULL; size_t len; /* * Test that a save-load pair is the identity */ mbedtls_ssl_session_init(&original); mbedtls_ssl_session_init(&restored); USE_PSA_INIT(); /* Prepare a dummy session to work on */ ((void) tls_version); ((void) ticket_len); ((void) crt_file); #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &original, 0, endpoint_type) == 0); } #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) { TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &original, ticket_len, endpoint_type, crt_file) == 0); } #endif /* Serialize it */ TEST_ASSERT(mbedtls_ssl_session_save(&original, NULL, 0, &len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); TEST_CALLOC(buf, len); TEST_ASSERT(mbedtls_ssl_session_save(&original, buf, len, &len) == 0); /* Restore session from serialized data */ TEST_ASSERT(mbedtls_ssl_session_load(&restored, buf, len) == 0); /* * Make sure both session structures are identical */ #if defined(MBEDTLS_HAVE_TIME) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) { TEST_ASSERT(original.start == restored.start); } #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C) TEST_ASSERT(original.ticket_creation_time == restored.ticket_creation_time); #endif #endif /* MBEDTLS_HAVE_TIME */ TEST_ASSERT(original.tls_version == restored.tls_version); TEST_ASSERT(original.endpoint == restored.endpoint); TEST_ASSERT(original.ciphersuite == restored.ciphersuite); #if defined(MBEDTLS_SSL_PROTO_TLS1_2) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) { TEST_ASSERT(original.id_len == restored.id_len); TEST_ASSERT(memcmp(original.id, restored.id, sizeof(original.id)) == 0); TEST_ASSERT(memcmp(original.master, restored.master, sizeof(original.master)) == 0); #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) TEST_ASSERT((original.peer_cert == NULL) == (restored.peer_cert == NULL)); if (original.peer_cert != NULL) { TEST_ASSERT(original.peer_cert->raw.len == restored.peer_cert->raw.len); TEST_ASSERT(memcmp(original.peer_cert->raw.p, restored.peer_cert->raw.p, original.peer_cert->raw.len) == 0); } #else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */ TEST_ASSERT(original.peer_cert_digest_type == restored.peer_cert_digest_type); TEST_ASSERT(original.peer_cert_digest_len == restored.peer_cert_digest_len); TEST_ASSERT((original.peer_cert_digest == NULL) == (restored.peer_cert_digest == NULL)); if (original.peer_cert_digest != NULL) { TEST_ASSERT(memcmp(original.peer_cert_digest, restored.peer_cert_digest, original.peer_cert_digest_len) == 0); } #endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */ #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ TEST_ASSERT(original.verify_result == restored.verify_result); #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) TEST_ASSERT(original.mfl_code == restored.mfl_code); #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) TEST_ASSERT(original.encrypt_then_mac == restored.encrypt_then_mac); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C) TEST_ASSERT(original.ticket_len == restored.ticket_len); if (original.ticket_len != 0) { TEST_ASSERT(original.ticket != NULL); TEST_ASSERT(restored.ticket != NULL); TEST_ASSERT(memcmp(original.ticket, restored.ticket, original.ticket_len) == 0); } TEST_ASSERT(original.ticket_lifetime == restored.ticket_lifetime); #endif } #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(original.ciphersuite == restored.ciphersuite); TEST_ASSERT(original.ticket_age_add == restored.ticket_age_add); TEST_ASSERT(original.ticket_flags == restored.ticket_flags); TEST_ASSERT(original.resumption_key_len == restored.resumption_key_len); if (original.resumption_key_len != 0) { TEST_ASSERT(original.resumption_key != NULL); TEST_ASSERT(restored.resumption_key != NULL); TEST_ASSERT(memcmp(original.resumption_key, restored.resumption_key, original.resumption_key_len) == 0); } #if defined(MBEDTLS_SSL_EARLY_DATA) TEST_ASSERT( original.max_early_data_size == restored.max_early_data_size); #if defined(MBEDTLS_SSL_ALPN) && defined(MBEDTLS_SSL_SRV_C) if (endpoint_type == MBEDTLS_SSL_IS_SERVER) { TEST_ASSERT(original.ticket_alpn != NULL); TEST_ASSERT(restored.ticket_alpn != NULL); TEST_MEMORY_COMPARE(original.ticket_alpn, strlen(original.ticket_alpn), restored.ticket_alpn, strlen(restored.ticket_alpn)); } #endif #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C) if (endpoint_type == MBEDTLS_SSL_IS_CLIENT) { #if defined(MBEDTLS_HAVE_TIME) TEST_ASSERT(original.ticket_reception_time == restored.ticket_reception_time); #endif TEST_ASSERT(original.ticket_lifetime == restored.ticket_lifetime); TEST_ASSERT(original.ticket_len == restored.ticket_len); if (original.ticket_len != 0) { TEST_ASSERT(original.ticket != NULL); TEST_ASSERT(restored.ticket != NULL); TEST_ASSERT(memcmp(original.ticket, restored.ticket, original.ticket_len) == 0); } } #endif } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ #if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT) TEST_ASSERT(original.record_size_limit == restored.record_size_limit); #endif exit: mbedtls_ssl_session_free(&original); mbedtls_ssl_session_free(&restored); mbedtls_free(buf); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_serialize_session_load_save(int ticket_len, char *crt_file, int endpoint_type, int tls_version) { mbedtls_ssl_session session; unsigned char *buf1 = NULL, *buf2 = NULL; size_t len0, len1, len2; /* * Test that a load-save pair is the identity */ mbedtls_ssl_session_init(&session); USE_PSA_INIT(); /* Prepare a dummy session to work on */ ((void) ticket_len); ((void) crt_file); switch (tls_version) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) case MBEDTLS_SSL_VERSION_TLS1_3: TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); break; #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) case MBEDTLS_SSL_VERSION_TLS1_2: TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, endpoint_type, crt_file) == 0); break; #endif default: /* should never happen */ TEST_ASSERT(0); break; } /* Get desired buffer size for serializing */ TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &len0) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); /* Allocate first buffer */ buf1 = mbedtls_calloc(1, len0); TEST_ASSERT(buf1 != NULL); /* Serialize to buffer and free live session */ TEST_ASSERT(mbedtls_ssl_session_save(&session, buf1, len0, &len1) == 0); TEST_ASSERT(len0 == len1); mbedtls_ssl_session_free(&session); /* Restore session from serialized data */ TEST_ASSERT(mbedtls_ssl_session_load(&session, buf1, len1) == 0); /* Allocate second buffer and serialize to it */ buf2 = mbedtls_calloc(1, len0); TEST_ASSERT(buf2 != NULL); TEST_ASSERT(mbedtls_ssl_session_save(&session, buf2, len0, &len2) == 0); /* Make sure both serialized versions are identical */ TEST_ASSERT(len1 == len2); TEST_ASSERT(memcmp(buf1, buf2, len1) == 0); exit: mbedtls_ssl_session_free(&session); mbedtls_free(buf1); mbedtls_free(buf2); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_serialize_session_save_buf_size(int ticket_len, char *crt_file, int endpoint_type, int tls_version) { mbedtls_ssl_session session; unsigned char *buf = NULL; size_t good_len, bad_len, test_len; /* * Test that session_save() fails cleanly on small buffers */ mbedtls_ssl_session_init(&session); USE_PSA_INIT(); /* Prepare dummy session and get serialized size */ ((void) ticket_len); ((void) crt_file); switch (tls_version) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) case MBEDTLS_SSL_VERSION_TLS1_3: TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); break; #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) case MBEDTLS_SSL_VERSION_TLS1_2: TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, endpoint_type, crt_file) == 0); break; #endif default: /* should never happen */ TEST_ASSERT(0); break; } TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &good_len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); /* Try all possible bad lengths */ for (bad_len = 1; bad_len < good_len; bad_len++) { /* Allocate exact size so that asan/valgrind can detect any overwrite */ mbedtls_free(buf); buf = NULL; TEST_CALLOC(buf, bad_len); TEST_ASSERT(mbedtls_ssl_session_save(&session, buf, bad_len, &test_len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); TEST_ASSERT(test_len == good_len); } exit: mbedtls_ssl_session_free(&session); mbedtls_free(buf); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_serialize_session_load_buf_size(int ticket_len, char *crt_file, int endpoint_type, int tls_version) { mbedtls_ssl_session session; unsigned char *good_buf = NULL, *bad_buf = NULL; size_t good_len, bad_len; /* * Test that session_load() fails cleanly on small buffers */ mbedtls_ssl_session_init(&session); USE_PSA_INIT(); /* Prepare serialized session data */ ((void) ticket_len); ((void) crt_file); switch (tls_version) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) case MBEDTLS_SSL_VERSION_TLS1_3: TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); break; #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) case MBEDTLS_SSL_VERSION_TLS1_2: TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, endpoint_type, crt_file) == 0); break; #endif default: /* should never happen */ TEST_ASSERT(0); break; } TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &good_len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); TEST_CALLOC(good_buf, good_len); TEST_ASSERT(mbedtls_ssl_session_save(&session, good_buf, good_len, &good_len) == 0); mbedtls_ssl_session_free(&session); /* Try all possible bad lengths */ for (bad_len = 0; bad_len < good_len; bad_len++) { /* Allocate exact size so that asan/valgrind can detect any overread */ mbedtls_free(bad_buf); bad_buf = NULL; TEST_CALLOC_NONNULL(bad_buf, bad_len); memcpy(bad_buf, good_buf, bad_len); TEST_ASSERT(mbedtls_ssl_session_load(&session, bad_buf, bad_len) == MBEDTLS_ERR_SSL_BAD_INPUT_DATA); } exit: mbedtls_ssl_session_free(&session); mbedtls_free(good_buf); mbedtls_free(bad_buf); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_session_serialize_version_check(int corrupt_major, int corrupt_minor, int corrupt_patch, int corrupt_config, int endpoint_type, int tls_version) { unsigned char serialized_session[2048]; size_t serialized_session_len; unsigned cur_byte; mbedtls_ssl_session session; uint8_t should_corrupt_byte[] = { corrupt_major == 1, corrupt_minor == 1, corrupt_patch == 1, corrupt_config == 1, corrupt_config == 1 }; mbedtls_ssl_session_init(&session); USE_PSA_INIT(); switch (tls_version) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) case MBEDTLS_SSL_VERSION_TLS1_3: TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); break; #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) case MBEDTLS_SSL_VERSION_TLS1_2: TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, 0, endpoint_type, NULL) == 0); break; #endif default: /* should never happen */ TEST_ASSERT(0); break; } /* Infer length of serialized session. */ TEST_ASSERT(mbedtls_ssl_session_save(&session, serialized_session, sizeof(serialized_session), &serialized_session_len) == 0); mbedtls_ssl_session_free(&session); /* Without any modification, we should be able to successfully * de-serialize the session - double-check that. */ TEST_ASSERT(mbedtls_ssl_session_load(&session, serialized_session, serialized_session_len) == 0); mbedtls_ssl_session_free(&session); /* Go through the bytes in the serialized session header and * corrupt them bit-by-bit. */ for (cur_byte = 0; cur_byte < sizeof(should_corrupt_byte); cur_byte++) { int cur_bit; unsigned char *const byte = &serialized_session[cur_byte]; if (should_corrupt_byte[cur_byte] == 0) { continue; } for (cur_bit = 0; cur_bit < CHAR_BIT; cur_bit++) { unsigned char const corrupted_bit = 0x1u << cur_bit; /* Modify a single bit in the serialized session. */ *byte ^= corrupted_bit; /* Attempt to deserialize */ TEST_ASSERT(mbedtls_ssl_session_load(&session, serialized_session, serialized_session_len) == MBEDTLS_ERR_SSL_VERSION_MISMATCH); /* Undo the change */ *byte ^= corrupted_bit; } } exit: USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void ssl_session_id_accessors_check(int tls_version) { mbedtls_ssl_session session; int ciphersuite_id; const mbedtls_ssl_ciphersuite_t *ciphersuite_info; mbedtls_ssl_session_init(&session); USE_PSA_INIT(); switch (tls_version) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) case MBEDTLS_SSL_VERSION_TLS1_3: ciphersuite_id = MBEDTLS_TLS1_3_AES_128_GCM_SHA256; TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, MBEDTLS_SSL_IS_SERVER) == 0); break; #endif #if defined(MBEDTLS_SSL_PROTO_TLS1_2) case MBEDTLS_SSL_VERSION_TLS1_2: ciphersuite_id = MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256; TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, 0, MBEDTLS_SSL_IS_SERVER, NULL) == 0); break; #endif default: /* should never happen */ TEST_ASSERT(0); break; } TEST_ASSERT(*mbedtls_ssl_session_get_id(&session) == session.id); TEST_ASSERT(mbedtls_ssl_session_get_id_len(&session) == session.id_len); /* mbedtls_test_ssl_tls1x_populate_session sets a mock suite-id of 0xabcd */ TEST_ASSERT(mbedtls_ssl_session_get_ciphersuite_id(&session) == 0xabcd); /* Test setting a reference id for tls1.3 and tls1.2 */ ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(ciphersuite_id); if (ciphersuite_info != NULL) { TEST_ASSERT(mbedtls_ssl_ciphersuite_get_id(ciphersuite_info) == ciphersuite_id); } exit: mbedtls_ssl_session_free(&session); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_MD_CAN_SHA256 */ void mbedtls_endpoint_sanity(int endpoint_type) { enum { BUFFSIZE = 1024 }; mbedtls_test_ssl_endpoint ep; int ret = -1; mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.pk_alg = MBEDTLS_PK_RSA; MD_OR_USE_PSA_INIT(); ret = mbedtls_test_ssl_endpoint_init(NULL, endpoint_type, &options, NULL, NULL, NULL); TEST_ASSERT(MBEDTLS_ERR_SSL_BAD_INPUT_DATA == ret); ret = mbedtls_test_ssl_endpoint_certificate_init(NULL, options.pk_alg, 0, 0, 0); TEST_ASSERT(MBEDTLS_ERR_SSL_BAD_INPUT_DATA == ret); ret = mbedtls_test_ssl_endpoint_init(&ep, endpoint_type, &options, NULL, NULL, NULL); TEST_ASSERT(ret == 0); exit: mbedtls_test_ssl_endpoint_free(&ep, NULL); mbedtls_test_free_handshake_options(&options); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PKCS1_V15:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_HAVE_ECC_KEYS */ void move_handshake_to_state(int endpoint_type, int tls_version, int state, int need_pass) { enum { BUFFSIZE = 1024 }; mbedtls_test_ssl_endpoint base_ep, second_ep; int ret = -1; (void) tls_version; mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.pk_alg = MBEDTLS_PK_RSA; /* * If both TLS 1.2 and 1.3 are enabled and we want to do a TLS 1.2 * handshake, force the TLS 1.2 version on endpoint under test. */ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_PROTO_TLS1_2) if (MBEDTLS_SSL_VERSION_TLS1_2 == tls_version) { if (MBEDTLS_SSL_IS_CLIENT == endpoint_type) { options.client_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.client_max_version = MBEDTLS_SSL_VERSION_TLS1_2; } else { options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2; } } #endif MD_OR_USE_PSA_INIT(); mbedtls_platform_zeroize(&base_ep, sizeof(base_ep)); mbedtls_platform_zeroize(&second_ep, sizeof(second_ep)); ret = mbedtls_test_ssl_endpoint_init(&base_ep, endpoint_type, &options, NULL, NULL, NULL); TEST_ASSERT(ret == 0); ret = mbedtls_test_ssl_endpoint_init( &second_ep, (endpoint_type == MBEDTLS_SSL_IS_SERVER) ? MBEDTLS_SSL_IS_CLIENT : MBEDTLS_SSL_IS_SERVER, &options, NULL, NULL, NULL); TEST_ASSERT(ret == 0); ret = mbedtls_test_mock_socket_connect(&(base_ep.socket), &(second_ep.socket), BUFFSIZE); TEST_ASSERT(ret == 0); ret = mbedtls_test_move_handshake_to_state(&(base_ep.ssl), &(second_ep.ssl), state); if (need_pass) { TEST_ASSERT(ret == 0 || ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE); TEST_ASSERT(base_ep.ssl.state == state); } else { TEST_ASSERT(ret != 0 && ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE); TEST_ASSERT(base_ep.ssl.state != state); } exit: mbedtls_test_free_handshake_options(&options); mbedtls_test_ssl_endpoint_free(&base_ep, NULL); mbedtls_test_ssl_endpoint_free(&second_ep, NULL); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void handshake_version(int dtls, int client_min_version, int client_max_version, int server_min_version, int server_max_version, int expected_negotiated_version) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.client_min_version = client_min_version; options.client_max_version = client_max_version; options.server_min_version = server_min_version; options.server_max_version = server_max_version; options.expected_negotiated_version = expected_negotiated_version; options.dtls = dtls; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_MD_CAN_SHA256 */ void handshake_psk_cipher(char *cipher, int pk_alg, data_t *psk_str, int dtls) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.cipher = cipher; options.dtls = dtls; options.psk_str = psk_str; options.pk_alg = pk_alg; options.client_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.client_max_version = MBEDTLS_SSL_VERSION_TLS1_2; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_MD_CAN_SHA256 */ void handshake_cipher(char *cipher, int pk_alg, int dtls) { test_handshake_psk_cipher(cipher, pk_alg, NULL, dtls); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_MD_CAN_SHA256 */ void handshake_ciphersuite_select(char *cipher, int pk_alg, data_t *psk_str, int psa_alg, int psa_alg2, int psa_usage, int expected_handshake_result, int expected_ciphersuite) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.cipher = cipher; options.psk_str = psk_str; options.pk_alg = pk_alg; options.opaque_alg = psa_alg; options.opaque_alg2 = psa_alg2; options.opaque_usage = psa_usage; options.expected_handshake_result = expected_handshake_result; options.expected_ciphersuite = expected_ciphersuite; options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_MD_CAN_SHA256 */ void app_data(int mfl, int cli_msg_len, int srv_msg_len, int expected_cli_fragments, int expected_srv_fragments, int dtls) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.mfl = mfl; options.cli_msg_len = cli_msg_len; options.srv_msg_len = srv_msg_len; options.expected_cli_fragments = expected_cli_fragments; options.expected_srv_fragments = expected_srv_fragments; options.dtls = dtls; options.client_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.client_max_version = MBEDTLS_SSL_VERSION_TLS1_2; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_MD_CAN_SHA256:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void app_data_tls(int mfl, int cli_msg_len, int srv_msg_len, int expected_cli_fragments, int expected_srv_fragments) { test_app_data(mfl, cli_msg_len, srv_msg_len, expected_cli_fragments, expected_srv_fragments, 0); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_MD_CAN_SHA256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void app_data_dtls(int mfl, int cli_msg_len, int srv_msg_len, int expected_cli_fragments, int expected_srv_fragments) { test_app_data(mfl, cli_msg_len, srv_msg_len, expected_cli_fragments, expected_srv_fragments, 1); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_MD_CAN_SHA256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void handshake_serialization() { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.serialize = 1; options.dtls = 1; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SSL_HAVE_AES:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_SSL_HAVE_CBC:MBEDTLS_MD_CAN_SHA256:MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */ void handshake_fragmentation(int mfl, int expected_srv_hs_fragmentation, int expected_cli_hs_fragmentation) { mbedtls_test_handshake_test_options options; mbedtls_test_ssl_log_pattern srv_pattern, cli_pattern; srv_pattern.pattern = cli_pattern.pattern = "found fragmented DTLS handshake"; srv_pattern.counter = 0; cli_pattern.counter = 0; mbedtls_test_init_handshake_options(&options); options.dtls = 1; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; options.mfl = mfl; /* Set cipher to one using CBC so that record splitting can be tested */ options.cipher = "TLS-DHE-RSA-WITH-AES-256-CBC-SHA256"; options.srv_auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED; options.srv_log_obj = &srv_pattern; options.cli_log_obj = &cli_pattern; options.srv_log_fun = mbedtls_test_ssl_log_analyzer; options.cli_log_fun = mbedtls_test_ssl_log_analyzer; mbedtls_test_ssl_perform_handshake(&options); /* Test if the server received a fragmented handshake */ if (expected_srv_hs_fragmentation) { TEST_ASSERT(srv_pattern.counter >= 1); } /* Test if the client received a fragmented handshake */ if (expected_cli_hs_fragmentation) { TEST_ASSERT(cli_pattern.counter >= 1); } exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_MD_CAN_SHA256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void renegotiation(int legacy_renegotiation) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.renegotiate = 1; options.legacy_renegotiation = legacy_renegotiation; options.dtls = 1; options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_MD_CAN_SHA256 */ void resize_buffers(int mfl, int renegotiation, int legacy_renegotiation, int serialize, int dtls, char *cipher) { mbedtls_test_handshake_test_options options; mbedtls_test_init_handshake_options(&options); options.mfl = mfl; options.cipher = cipher; options.renegotiate = renegotiation; options.legacy_renegotiation = legacy_renegotiation; options.serialize = serialize; options.dtls = dtls; if (dtls) { options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2; } options.resize_buffers = 1; mbedtls_test_ssl_perform_handshake(&options); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; exit: mbedtls_test_free_handshake_options(&options); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_MD_CAN_SHA256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void resize_buffers_serialize_mfl(int mfl) { test_resize_buffers(mfl, 0, MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION, 1, 1, (char *) ""); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_MD_CAN_SHA256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */ void resize_buffers_renegotiate_mfl(int mfl, int legacy_renegotiation, char *cipher) { test_resize_buffers(mfl, 1, legacy_renegotiation, 0, 1, cipher); /* The goto below is used to avoid an "unused label" warning.*/ goto exit; } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ void test_multiple_psks() { unsigned char psk0[10] = { 0 }; unsigned char psk0_identity[] = { 'f', 'o', 'o' }; unsigned char psk1[10] = { 0 }; unsigned char psk1_identity[] = { 'b', 'a', 'r' }; mbedtls_ssl_config conf; mbedtls_ssl_config_init(&conf); MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_conf_psk(&conf, psk0, sizeof(psk0), psk0_identity, sizeof(psk0_identity)) == 0); TEST_ASSERT(mbedtls_ssl_conf_psk(&conf, psk1, sizeof(psk1), psk1_identity, sizeof(psk1_identity)) == MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE); exit: mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED:MBEDTLS_USE_PSA_CRYPTO */ void test_multiple_psks_opaque(int mode) { /* * Mode 0: Raw PSK, then opaque PSK * Mode 1: Opaque PSK, then raw PSK * Mode 2: 2x opaque PSK */ unsigned char psk0_raw[10] = { 0 }; unsigned char psk0_raw_identity[] = { 'f', 'o', 'o' }; mbedtls_svc_key_id_t psk0_opaque = mbedtls_svc_key_id_make(0x1, (psa_key_id_t) 1); unsigned char psk0_opaque_identity[] = { 'f', 'o', 'o' }; unsigned char psk1_raw[10] = { 0 }; unsigned char psk1_raw_identity[] = { 'b', 'a', 'r' }; mbedtls_svc_key_id_t psk1_opaque = mbedtls_svc_key_id_make(0x1, (psa_key_id_t) 2); unsigned char psk1_opaque_identity[] = { 'b', 'a', 'r' }; mbedtls_ssl_config conf; mbedtls_ssl_config_init(&conf); MD_OR_USE_PSA_INIT(); switch (mode) { case 0: TEST_ASSERT(mbedtls_ssl_conf_psk(&conf, psk0_raw, sizeof(psk0_raw), psk0_raw_identity, sizeof(psk0_raw_identity)) == 0); TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf, psk1_opaque, psk1_opaque_identity, sizeof(psk1_opaque_identity)) == MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE); break; case 1: TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf, psk0_opaque, psk0_opaque_identity, sizeof(psk0_opaque_identity)) == 0); TEST_ASSERT(mbedtls_ssl_conf_psk(&conf, psk1_raw, sizeof(psk1_raw), psk1_raw_identity, sizeof(psk1_raw_identity)) == MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE); break; case 2: TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf, psk0_opaque, psk0_opaque_identity, sizeof(psk0_opaque_identity)) == 0); TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf, psk1_opaque, psk1_opaque_identity, sizeof(psk1_opaque_identity)) == MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE); break; default: TEST_ASSERT(0); break; } exit: mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void conf_version(int endpoint, int transport, int min_tls_version, int max_tls_version, int expected_ssl_setup_result) { mbedtls_ssl_config conf; mbedtls_ssl_context ssl; mbedtls_ssl_config_init(&conf); mbedtls_ssl_init(&ssl); MD_OR_USE_PSA_INIT(); mbedtls_ssl_conf_endpoint(&conf, endpoint); mbedtls_ssl_conf_transport(&conf, transport); mbedtls_ssl_conf_min_tls_version(&conf, min_tls_version); mbedtls_ssl_conf_max_tls_version(&conf, max_tls_version); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == expected_ssl_setup_result); TEST_EQUAL(mbedtls_ssl_conf_get_endpoint( mbedtls_ssl_context_get_config(&ssl)), endpoint); mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); exit: MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_ECP_C:!MBEDTLS_DEPRECATED_REMOVED:!MBEDTLS_DEPRECATED_WARNING:MBEDTLS_ECP_HAVE_SECP192R1:MBEDTLS_ECP_HAVE_SECP224R1:MBEDTLS_ECP_HAVE_SECP256R1 */ void conf_curve() { mbedtls_ecp_group_id curve_list[] = { MBEDTLS_ECP_DP_SECP192R1, MBEDTLS_ECP_DP_SECP224R1, MBEDTLS_ECP_DP_SECP256R1, MBEDTLS_ECP_DP_NONE }; uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP192R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP224R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; mbedtls_ssl_config conf; mbedtls_ssl_config_init(&conf); #if defined(MBEDTLS_SSL_PROTO_TLS1_2) mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2); mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2); #else mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_3); mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_3); #endif mbedtls_ssl_conf_curves(&conf, curve_list); mbedtls_ssl_context ssl; mbedtls_ssl_init(&ssl); MD_OR_USE_PSA_INIT(); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0); TEST_ASSERT(ssl.handshake != NULL && ssl.handshake->group_list != NULL); TEST_ASSERT(ssl.conf != NULL && ssl.conf->group_list == NULL); TEST_EQUAL(ssl.handshake-> group_list[ARRAY_LENGTH(iana_tls_group_list) - 1], MBEDTLS_SSL_IANA_TLS_GROUP_NONE); for (size_t i = 0; i < ARRAY_LENGTH(iana_tls_group_list); i++) { TEST_EQUAL(iana_tls_group_list[i], ssl.handshake->group_list[i]); } exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_DEPRECATED_REMOVED */ void conf_group() { uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP192R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP224R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; mbedtls_ssl_config conf; mbedtls_ssl_config_init(&conf); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2); mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2); mbedtls_ssl_conf_groups(&conf, iana_tls_group_list); mbedtls_ssl_context ssl; mbedtls_ssl_init(&ssl); MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0); TEST_ASSERT(ssl.conf != NULL && ssl.conf->group_list != NULL); TEST_EQUAL(ssl.conf-> group_list[ARRAY_LENGTH(iana_tls_group_list) - 1], MBEDTLS_SSL_IANA_TLS_GROUP_NONE); for (size_t i = 0; i < ARRAY_LENGTH(iana_tls_group_list); i++) { TEST_EQUAL(iana_tls_group_list[i], ssl.conf->group_list[i]); } exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_CACHE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_DEBUG_C:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PKCS1_V15:MBEDTLS_MD_CAN_SHA256 */ void force_bad_session_id_len() { enum { BUFFSIZE = 1024 }; mbedtls_test_handshake_test_options options; mbedtls_test_ssl_endpoint client, server; mbedtls_test_ssl_log_pattern srv_pattern, cli_pattern; mbedtls_test_message_socket_context server_context, client_context; srv_pattern.pattern = cli_pattern.pattern = "cache did not store session"; srv_pattern.counter = 0; mbedtls_test_init_handshake_options(&options); options.srv_log_obj = &srv_pattern; options.srv_log_fun = mbedtls_test_ssl_log_analyzer; mbedtls_platform_zeroize(&client, sizeof(client)); mbedtls_platform_zeroize(&server, sizeof(server)); mbedtls_test_message_socket_init(&server_context); mbedtls_test_message_socket_init(&client_context); MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_test_ssl_endpoint_init(&client, MBEDTLS_SSL_IS_CLIENT, &options, NULL, NULL, NULL) == 0); TEST_ASSERT(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER, &options, NULL, NULL, NULL) == 0); mbedtls_debug_set_threshold(1); mbedtls_ssl_conf_dbg(&server.conf, options.srv_log_fun, options.srv_log_obj); TEST_ASSERT(mbedtls_test_mock_socket_connect(&(client.socket), &(server.socket), BUFFSIZE) == 0); TEST_ASSERT(mbedtls_test_move_handshake_to_state( &(client.ssl), &(server.ssl), MBEDTLS_SSL_HANDSHAKE_WRAPUP) == 0); /* Force a bad session_id_len that will be read by the server in * mbedtls_ssl_cache_set. */ server.ssl.session_negotiate->id_len = 33; if (options.cli_msg_len != 0 || options.srv_msg_len != 0) { /* Start data exchanging test */ TEST_ASSERT(mbedtls_test_ssl_exchange_data( &(client.ssl), options.cli_msg_len, options.expected_cli_fragments, &(server.ssl), options.srv_msg_len, options.expected_srv_fragments) == 0); } /* Make sure that the cache did not store the session */ TEST_EQUAL(srv_pattern.counter, 1); exit: mbedtls_test_ssl_endpoint_free(&client, NULL); mbedtls_test_ssl_endpoint_free(&server, NULL); mbedtls_test_free_handshake_options(&options); mbedtls_debug_set_threshold(0); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE:MBEDTLS_TEST_HOOKS */ void cookie_parsing(data_t *cookie, int exp_ret) { mbedtls_ssl_context ssl; mbedtls_ssl_config conf; size_t len; mbedtls_ssl_init(&ssl); mbedtls_ssl_config_init(&conf); USE_PSA_INIT(); TEST_EQUAL(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER, MBEDTLS_SSL_TRANSPORT_DATAGRAM, MBEDTLS_SSL_PRESET_DEFAULT), 0); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_EQUAL(mbedtls_ssl_setup(&ssl, &conf), 0); TEST_EQUAL(mbedtls_ssl_check_dtls_clihlo_cookie(&ssl, ssl.cli_id, ssl.cli_id_len, cookie->x, cookie->len, ssl.out_buf, MBEDTLS_SSL_OUT_CONTENT_LEN, &len), exp_ret); exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_TIMING_C:MBEDTLS_HAVE_TIME */ void timing_final_delay_accessor() { mbedtls_timing_delay_context delay_context; USE_PSA_INIT(); mbedtls_timing_set_delay(&delay_context, 50, 100); TEST_ASSERT(mbedtls_timing_get_final_delay(&delay_context) == 100); exit: USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID */ void cid_sanity() { mbedtls_ssl_context ssl; mbedtls_ssl_config conf; unsigned char own_cid[MBEDTLS_SSL_CID_IN_LEN_MAX]; unsigned char test_cid[MBEDTLS_SSL_CID_IN_LEN_MAX]; int cid_enabled; size_t own_cid_len; mbedtls_test_rnd_std_rand(NULL, own_cid, sizeof(own_cid)); mbedtls_ssl_init(&ssl); mbedtls_ssl_config_init(&conf); MD_OR_USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_PRESET_DEFAULT) == 0); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0); /* Can't use CID functions with stream transport. */ TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid, sizeof(own_cid)) == MBEDTLS_ERR_SSL_BAD_INPUT_DATA); TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid, &own_cid_len) == MBEDTLS_ERR_SSL_BAD_INPUT_DATA); TEST_ASSERT(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_DATAGRAM, MBEDTLS_SSL_PRESET_DEFAULT) == 0); /* Attempt to set config cid size too big. */ TEST_ASSERT(mbedtls_ssl_conf_cid(&conf, MBEDTLS_SSL_CID_IN_LEN_MAX + 1, MBEDTLS_SSL_UNEXPECTED_CID_IGNORE) == MBEDTLS_ERR_SSL_BAD_INPUT_DATA); TEST_ASSERT(mbedtls_ssl_conf_cid(&conf, sizeof(own_cid), MBEDTLS_SSL_UNEXPECTED_CID_IGNORE) == 0); /* Attempt to set CID length not matching config. */ TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid, MBEDTLS_SSL_CID_IN_LEN_MAX - 1) == MBEDTLS_ERR_SSL_BAD_INPUT_DATA); TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid, sizeof(own_cid)) == 0); /* Test we get back what we put in. */ TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid, &own_cid_len) == 0); TEST_EQUAL(cid_enabled, MBEDTLS_SSL_CID_ENABLED); TEST_MEMORY_COMPARE(own_cid, own_cid_len, test_cid, own_cid_len); /* Test disabling works. */ TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_DISABLED, NULL, 0) == 0); TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid, &own_cid_len) == 0); TEST_EQUAL(cid_enabled, MBEDTLS_SSL_CID_DISABLED); exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_SOME */ void raw_key_agreement_fail(int bad_server_ecdhe_key) { enum { BUFFSIZE = 17000 }; mbedtls_test_ssl_endpoint client, server; mbedtls_psa_stats_t stats; size_t free_slots_before = -1; mbedtls_test_handshake_test_options client_options, server_options; mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; MD_OR_USE_PSA_INIT(); mbedtls_platform_zeroize(&client, sizeof(client)); mbedtls_platform_zeroize(&server, sizeof(server)); /* Client side, force SECP256R1 to make one key bitflip fail * the raw key agreement. Flipping the first byte makes the * required 0x04 identifier invalid. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.group_list = iana_tls_group_list; TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&client, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL), 0); /* Server side */ server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2; server_options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2; TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL), 0); TEST_EQUAL(mbedtls_test_mock_socket_connect(&(client.socket), &(server.socket), BUFFSIZE), 0); TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client.ssl), &(server.ssl), MBEDTLS_SSL_CLIENT_KEY_EXCHANGE), 0); mbedtls_psa_get_stats(&stats); /* Save the number of slots in use up to this point. * With PSA, one can be used for the ECDH private key. */ free_slots_before = stats.empty_slots; if (bad_server_ecdhe_key) { /* Force a simulated bitflip in the server key. to make the * raw key agreement in ssl_write_client_key_exchange fail. */ (client.ssl).handshake->xxdh_psa_peerkey[0] ^= 0x02; } TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client.ssl), &(server.ssl), MBEDTLS_SSL_HANDSHAKE_OVER), bad_server_ecdhe_key ? MBEDTLS_ERR_SSL_HW_ACCEL_FAILED : 0); mbedtls_psa_get_stats(&stats); /* Make sure that the key slot is already destroyed in case of failure, * without waiting to close the connection. */ if (bad_server_ecdhe_key) { TEST_EQUAL(free_slots_before, stats.empty_slots); } exit: mbedtls_test_ssl_endpoint_free(&client, NULL); mbedtls_test_ssl_endpoint_free(&server, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS:MBEDTLS_SSL_PROTO_TLS1_3:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_ECP_HAVE_SECP384R1 */ void tls13_server_certificate_msg_invalid_vector_len() { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; unsigned char *buf, *end; size_t buf_len; int step = 0; int expected_result; mbedtls_ssl_chk_buf_ptr_args expected_chk_buf_ptr_args; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; /* * Test set-up */ mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); MD_OR_USE_PSA_INIT(); client_options.pk_alg = MBEDTLS_PK_ECDSA; ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_test_init_handshake_options(&server_options); server_options.pk_alg = MBEDTLS_PK_ECDSA; ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); while (1) { mbedtls_test_set_step(++step); ret = mbedtls_test_move_handshake_to_state( &(server_ep.ssl), &(client_ep.ssl), MBEDTLS_SSL_CERTIFICATE_VERIFY); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_flush_output(&(server_ep.ssl)); TEST_EQUAL(ret, 0); ret = mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_SERVER_CERTIFICATE); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_tls13_fetch_handshake_msg(&(client_ep.ssl), MBEDTLS_SSL_HS_CERTIFICATE, &buf, &buf_len); TEST_EQUAL(ret, 0); end = buf + buf_len; /* * Tweak server Certificate message and parse it. */ ret = mbedtls_test_tweak_tls13_certificate_msg_vector_len( buf, &end, step, &expected_result, &expected_chk_buf_ptr_args); if (ret != 0) { break; } ret = mbedtls_ssl_tls13_parse_certificate(&(client_ep.ssl), buf, end); TEST_EQUAL(ret, expected_result); TEST_ASSERT(mbedtls_ssl_cmp_chk_buf_ptr_fail_args( &expected_chk_buf_ptr_args) == 0); mbedtls_ssl_reset_chk_buf_ptr_fail_args(); ret = mbedtls_ssl_session_reset(&(client_ep.ssl)); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_session_reset(&(server_ep.ssl)); TEST_EQUAL(ret, 0); } exit: mbedtls_ssl_reset_chk_buf_ptr_fail_args(); mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ void ssl_ecjpake_set_password(int use_opaque_arg) { mbedtls_ssl_context ssl; mbedtls_ssl_config conf; #if defined(MBEDTLS_USE_PSA_CRYPTO) mbedtls_svc_key_id_t pwd_slot = MBEDTLS_SVC_KEY_ID_INIT; #else /* MBEDTLS_USE_PSA_CRYPTO */ (void) use_opaque_arg; #endif /* MBEDTLS_USE_PSA_CRYPTO */ unsigned char pwd_string[sizeof(ECJPAKE_TEST_PWD)] = ""; size_t pwd_len = 0; int ret; mbedtls_ssl_init(&ssl); MD_OR_USE_PSA_INIT(); /* test with uninitalized SSL context */ ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_BAD_INPUT_DATA); mbedtls_ssl_config_init(&conf); TEST_EQUAL(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_PRESET_DEFAULT), 0); mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL); TEST_EQUAL(mbedtls_ssl_setup(&ssl, &conf), 0); /* test with empty password or unitialized password key (depending on use_opaque_arg) */ ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_BAD_INPUT_DATA); pwd_len = strlen(ECJPAKE_TEST_PWD); memcpy(pwd_string, ECJPAKE_TEST_PWD, pwd_len); #if defined(MBEDTLS_USE_PSA_CRYPTO) if (use_opaque_arg) { psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT; /* First try with an invalid usage */ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH); psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE); psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD); PSA_ASSERT(psa_import_key(&attributes, pwd_string, pwd_len, &pwd_slot)); ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED); /* check that the opaque key is still valid after failure */ TEST_EQUAL(psa_get_key_attributes(pwd_slot, &check_attributes), PSA_SUCCESS); psa_destroy_key(pwd_slot); /* Then set the correct usage */ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE); PSA_ASSERT(psa_import_key(&attributes, pwd_string, pwd_len, &pwd_slot)); } #endif /* MBEDTLS_USE_PSA_CRYPTO */ /* final check which should work without errors */ ECJPAKE_TEST_SET_PASSWORD(0); #if defined(MBEDTLS_USE_PSA_CRYPTO) if (use_opaque_arg) { psa_destroy_key(pwd_slot); } #endif /* MBEDTLS_USE_PSA_CRYPTO */ mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE */ void elliptic_curve_get_properties() { psa_key_type_t psa_type = PSA_KEY_TYPE_NONE; size_t psa_bits; MD_OR_USE_PSA_INIT(); #if defined(MBEDTLS_ECP_HAVE_SECP521R1) || defined(PSA_WANT_ECC_SECP_R1_521) TEST_AVAILABLE_ECC(25, MBEDTLS_ECP_DP_SECP521R1, PSA_ECC_FAMILY_SECP_R1, 521); #else TEST_UNAVAILABLE_ECC(25, MBEDTLS_ECP_DP_SECP521R1, PSA_ECC_FAMILY_SECP_R1, 521); #endif #if defined(MBEDTLS_ECP_HAVE_BP512R1) || defined(PSA_WANT_ECC_BRAINPOOL_P_R1_512) TEST_AVAILABLE_ECC(28, MBEDTLS_ECP_DP_BP512R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 512); #else TEST_UNAVAILABLE_ECC(28, MBEDTLS_ECP_DP_BP512R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 512); #endif #if defined(MBEDTLS_ECP_HAVE_SECP384R1) || defined(PSA_WANT_ECC_SECP_R1_384) TEST_AVAILABLE_ECC(24, MBEDTLS_ECP_DP_SECP384R1, PSA_ECC_FAMILY_SECP_R1, 384); #else TEST_UNAVAILABLE_ECC(24, MBEDTLS_ECP_DP_SECP384R1, PSA_ECC_FAMILY_SECP_R1, 384); #endif #if defined(MBEDTLS_ECP_HAVE_BP384R1) || defined(PSA_WANT_ECC_BRAINPOOL_P_R1_384) TEST_AVAILABLE_ECC(27, MBEDTLS_ECP_DP_BP384R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 384); #else TEST_UNAVAILABLE_ECC(27, MBEDTLS_ECP_DP_BP384R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 384); #endif #if defined(MBEDTLS_ECP_HAVE_SECP256R1) || defined(PSA_WANT_ECC_SECP_R1_256) TEST_AVAILABLE_ECC(23, MBEDTLS_ECP_DP_SECP256R1, PSA_ECC_FAMILY_SECP_R1, 256); #else TEST_UNAVAILABLE_ECC(23, MBEDTLS_ECP_DP_SECP256R1, PSA_ECC_FAMILY_SECP_R1, 256); #endif #if defined(MBEDTLS_ECP_HAVE_SECP256K1) || defined(PSA_WANT_ECC_SECP_K1_256) TEST_AVAILABLE_ECC(22, MBEDTLS_ECP_DP_SECP256K1, PSA_ECC_FAMILY_SECP_K1, 256); #else TEST_UNAVAILABLE_ECC(22, MBEDTLS_ECP_DP_SECP256K1, PSA_ECC_FAMILY_SECP_K1, 256); #endif #if defined(MBEDTLS_ECP_HAVE_BP256R1) || defined(PSA_WANT_ECC_BRAINPOOL_P_R1_256) TEST_AVAILABLE_ECC(26, MBEDTLS_ECP_DP_BP256R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 256); #else TEST_UNAVAILABLE_ECC(26, MBEDTLS_ECP_DP_BP256R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 256); #endif #if defined(MBEDTLS_ECP_HAVE_SECP224R1) || defined(PSA_WANT_ECC_SECP_R1_224) TEST_AVAILABLE_ECC(21, MBEDTLS_ECP_DP_SECP224R1, PSA_ECC_FAMILY_SECP_R1, 224); #else TEST_UNAVAILABLE_ECC(21, MBEDTLS_ECP_DP_SECP224R1, PSA_ECC_FAMILY_SECP_R1, 224); #endif #if defined(MBEDTLS_ECP_HAVE_SECP224K1) || defined(PSA_WANT_ECC_SECP_K1_224) TEST_AVAILABLE_ECC(20, MBEDTLS_ECP_DP_SECP224K1, PSA_ECC_FAMILY_SECP_K1, 224); #else TEST_UNAVAILABLE_ECC(20, MBEDTLS_ECP_DP_SECP224K1, PSA_ECC_FAMILY_SECP_K1, 224); #endif #if defined(MBEDTLS_ECP_HAVE_SECP192R1) || defined(PSA_WANT_ECC_SECP_R1_192) TEST_AVAILABLE_ECC(19, MBEDTLS_ECP_DP_SECP192R1, PSA_ECC_FAMILY_SECP_R1, 192); #else TEST_UNAVAILABLE_ECC(19, MBEDTLS_ECP_DP_SECP192R1, PSA_ECC_FAMILY_SECP_R1, 192); #endif #if defined(MBEDTLS_ECP_HAVE_SECP192K1) || defined(PSA_WANT_ECC_SECP_K1_192) TEST_AVAILABLE_ECC(18, MBEDTLS_ECP_DP_SECP192K1, PSA_ECC_FAMILY_SECP_K1, 192); #else TEST_UNAVAILABLE_ECC(18, MBEDTLS_ECP_DP_SECP192K1, PSA_ECC_FAMILY_SECP_K1, 192); #endif #if defined(MBEDTLS_ECP_HAVE_CURVE25519) || defined(PSA_WANT_ECC_MONTGOMERY_255) TEST_AVAILABLE_ECC(29, MBEDTLS_ECP_DP_CURVE25519, PSA_ECC_FAMILY_MONTGOMERY, 255); #else TEST_UNAVAILABLE_ECC(29, MBEDTLS_ECP_DP_CURVE25519, PSA_ECC_FAMILY_MONTGOMERY, 255); #endif #if defined(MBEDTLS_ECP_HAVE_CURVE448) || defined(PSA_WANT_ECC_MONTGOMERY_448) TEST_AVAILABLE_ECC(30, MBEDTLS_ECP_DP_CURVE448, PSA_ECC_FAMILY_MONTGOMERY, 448); #else TEST_UNAVAILABLE_ECC(30, MBEDTLS_ECP_DP_CURVE448, PSA_ECC_FAMILY_MONTGOMERY, 448); #endif goto exit; exit: MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_resume_session_with_ticket() { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.pk_alg = MBEDTLS_PK_ECDSA; ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); /* * Handshake with ticket. * * Run the handshake up to MBEDTLS_SSL_HANDSHAKE_WRAPUP and not * MBEDTLS_SSL_HANDSHAKE_OVER to preserve handshake data for the checks * below. */ TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(server_ep.ssl), &(client_ep.ssl), MBEDTLS_SSL_HANDSHAKE_WRAPUP), 0); TEST_EQUAL(server_ep.ssl.handshake->resume, 1); TEST_EQUAL(server_ep.ssl.handshake->new_session_tickets_count, 1); TEST_EQUAL(server_ep.ssl.handshake->key_exchange_mode, MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL); exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); PSA_DONE(); } /* END_CASE */ /* * The !MBEDTLS_SSL_PROTO_TLS1_2 dependency of tls13_read_early_data() below is * a temporary workaround to not run the test in Windows-2013 where there is * an issue with mbedtls_vsnprintf(). */ /* BEGIN_CASE depends_on:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_read_early_data(int scenario) { int ret = -1; unsigned char buf[64]; const char *early_data = "This is early data."; size_t early_data_len = strlen(early_data); mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; mbedtls_test_ssl_log_pattern server_pattern = { NULL, 0 }; uint16_t group_list[3] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.group_list = group_list; client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.group_list = group_list; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; #if defined(MBEDTLS_SSL_ALPN) switch (scenario) { case TEST_EARLY_DATA_SAME_ALPN: case TEST_EARLY_DATA_DIFF_ALPN: case TEST_EARLY_DATA_NO_LATER_ALPN: client_options.alpn_list[0] = "ALPNExample"; client_options.alpn_list[1] = NULL; server_options.alpn_list[0] = "ALPNExample"; server_options.alpn_list[1] = NULL; break; } #endif ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: break; case TEST_EARLY_DATA_NO_INDICATION_SENT: client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_SERVER_REJECTS: mbedtls_debug_set_threshold(3); server_pattern.pattern = "EarlyData: deprotect and discard app data records."; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_HRR: mbedtls_debug_set_threshold(3); server_pattern.pattern = "EarlyData: Ignore application message before 2nd ClientHello"; server_options.group_list = group_list + 1; break; #if defined(MBEDTLS_SSL_ALPN) case TEST_EARLY_DATA_SAME_ALPN: client_options.alpn_list[0] = "ALPNExample"; client_options.alpn_list[1] = NULL; server_options.alpn_list[0] = "ALPNExample"; server_options.alpn_list[1] = NULL; break; case TEST_EARLY_DATA_DIFF_ALPN: case TEST_EARLY_DATA_NO_INITIAL_ALPN: client_options.alpn_list[0] = "ALPNExample2"; client_options.alpn_list[1] = NULL; server_options.alpn_list[0] = "ALPNExample2"; server_options.alpn_list[1] = NULL; mbedtls_debug_set_threshold(3); server_pattern.pattern = "EarlyData: rejected, the selected ALPN is different " "from the one associated with the pre-shared key."; break; case TEST_EARLY_DATA_NO_LATER_ALPN: client_options.alpn_list[0] = NULL; server_options.alpn_list[0] = NULL; mbedtls_debug_set_threshold(3); server_pattern.pattern = "EarlyData: rejected, the selected ALPN is different " "from the one associated with the pre-shared key."; break; #endif default: TEST_FAIL("Unknown scenario."); } ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); server_options.srv_log_fun = mbedtls_test_ssl_log_analyzer; server_options.srv_log_obj = &server_pattern; ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); /* * Handshake with ticket and send early data. */ TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_SERVER_HELLO), 0); ret = mbedtls_ssl_write_early_data(&(client_ep.ssl), (unsigned char *) early_data, early_data_len); if (client_ep.ssl.early_data_state != MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT) { TEST_EQUAL(ret, early_data_len); } else { TEST_EQUAL(ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); } ret = mbedtls_test_move_handshake_to_state( &(server_ep.ssl), &(client_ep.ssl), MBEDTLS_SSL_HANDSHAKE_WRAPUP); switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: #if defined(MBEDTLS_SSL_ALPN) case TEST_EARLY_DATA_SAME_ALPN: #endif TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA); TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 1); TEST_EQUAL(mbedtls_ssl_read_early_data(&(server_ep.ssl), buf, sizeof(buf)), early_data_len); TEST_MEMORY_COMPARE(buf, early_data_len, early_data, early_data_len); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(ret, 0); TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 0); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: #if defined(MBEDTLS_SSL_ALPN) case TEST_EARLY_DATA_DIFF_ALPN: case TEST_EARLY_DATA_NO_INITIAL_ALPN: case TEST_EARLY_DATA_NO_LATER_ALPN: #endif TEST_EQUAL(ret, 0); TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 0); TEST_EQUAL(server_pattern.counter, 1); break; default: TEST_FAIL("Unknown scenario."); } TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(server_ep.ssl), &(client_ep.ssl), MBEDTLS_SSL_HANDSHAKE_OVER), 0); exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); mbedtls_debug_set_threshold(0); PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_cli_early_data_state(int scenario) { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; uint16_t group_list[3] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; uint8_t client_random[MBEDTLS_CLIENT_HELLO_RANDOM_LEN]; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; if (scenario == TEST_EARLY_DATA_HRR) { client_options.group_list = group_list; server_options.group_list = group_list; } ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: break; case TEST_EARLY_DATA_NO_INDICATION_SENT: client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_SERVER_REJECTS: server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_HRR: server_options.group_list = group_list + 1; break; default: TEST_FAIL("Unknown scenario."); } ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); /* * Go through the handshake sequence, state by state, checking the early * data status each time. */ do { int state = client_ep.ssl.state; /* Progress the handshake from at least one state */ while (client_ep.ssl.state == state) { ret = mbedtls_ssl_handshake_step(&(client_ep.ssl)); TEST_ASSERT((ret == 0) || (ret == MBEDTLS_ERR_SSL_WANT_READ) || (ret == MBEDTLS_ERR_SSL_WANT_WRITE)); if (client_ep.ssl.state != state) { break; } ret = mbedtls_ssl_handshake_step(&(server_ep.ssl)); TEST_ASSERT((ret == 0) || (ret == MBEDTLS_ERR_SSL_WANT_READ) || (ret == MBEDTLS_ERR_SSL_WANT_WRITE)); } if (client_ep.ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER) { TEST_EQUAL(mbedtls_ssl_get_early_data_status(&(client_ep.ssl)), MBEDTLS_ERR_SSL_BAD_INPUT_DATA); } switch (client_ep.ssl.state) { case MBEDTLS_SSL_CLIENT_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_NO_INDICATION_SENT: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_IDLE); break; case TEST_EARLY_DATA_HRR: if (!client_ep.ssl.handshake->hello_retry_request_flag) { TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_IDLE); } else { TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); } break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_SERVER_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_HRR: if (!client_ep.ssl.handshake->hello_retry_request_flag) { TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE); memcpy(client_random, client_ep.ssl.handshake->randbytes, MBEDTLS_CLIENT_HELLO_RANDOM_LEN); } else { TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); TEST_MEMORY_COMPARE(client_random, MBEDTLS_CLIENT_HELLO_RANDOM_LEN, client_ep.ssl.handshake->randbytes, MBEDTLS_CLIENT_HELLO_RANDOM_LEN); } break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_ENCRYPTED_EXTENSIONS: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_SERVER_FINISHED: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_ACCEPTED); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_END_OF_EARLY_DATA: TEST_EQUAL(scenario, TEST_EARLY_DATA_ACCEPTED); TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED); break; case MBEDTLS_SSL_CLIENT_CERTIFICATE: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_CLIENT_FINISHED: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } break; #if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE) case MBEDTLS_SSL_CLIENT_CCS_AFTER_CLIENT_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_IND_SENT); break; default: TEST_FAIL("Unexpected or unknown scenario."); } break; case MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO: TEST_ASSERT(scenario == TEST_EARLY_DATA_HRR); TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; case MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED: switch (scenario) { case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unexpected or unknown scenario."); } break; #endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */ case MBEDTLS_SSL_FLUSH_BUFFERS: /* Intentional fallthrough */ case MBEDTLS_SSL_HANDSHAKE_WRAPUP: /* Intentional fallthrough */ case MBEDTLS_SSL_HANDSHAKE_OVER: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } break; default: TEST_FAIL("Unexpected state."); } } while (client_ep.ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER); ret = mbedtls_ssl_get_early_data_status(&(client_ep.ssl)); switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_ACCEPTED); break; case TEST_EARLY_DATA_NO_INDICATION_SENT: TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_NOT_INDICATED); break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_REJECTED); break; default: TEST_FAIL("Unknown scenario."); } ret = mbedtls_ssl_get_early_data_status(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_BAD_INPUT_DATA); #if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE) TEST_EQUAL(client_ep.ssl.handshake->ccs_sent, 1); #endif exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_write_early_data(int scenario) { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; uint16_t group_list[3] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; int beyond_first_hello = 0; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; if (scenario == TEST_EARLY_DATA_HRR) { client_options.group_list = group_list; server_options.group_list = group_list; } ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: break; case TEST_EARLY_DATA_NO_INDICATION_SENT: client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_SERVER_REJECTS: server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; break; case TEST_EARLY_DATA_HRR: /* * Remove server support for the group negotiated in * mbedtls_test_get_tls13_ticket() forcing a HelloRetryRequest. */ server_options.group_list = group_list + 1; break; default: TEST_FAIL("Unknown scenario."); } ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); /* * Run handshakes going one state further in the handshake sequence at each * loop up to the point where we reach the MBEDTLS_SSL_HANDSHAKE_OVER * state. For each reached handshake state, check the result of the call * to mbedtls_ssl_write_early_data(), make sure we can complete the * handshake successfully and then reset the connection to restart the * handshake from scratch. */ do { int client_state = client_ep.ssl.state; int previous_client_state; const char *early_data_string = "This is early data."; const unsigned char *early_data = (const unsigned char *) early_data_string; size_t early_data_len = strlen(early_data_string); int write_early_data_ret, read_early_data_ret; unsigned char read_buf[64]; write_early_data_ret = mbedtls_ssl_write_early_data(&(client_ep.ssl), early_data, early_data_len); if (scenario == TEST_EARLY_DATA_NO_INDICATION_SENT) { TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, client_state); goto complete_handshake; } switch (client_state) { case MBEDTLS_SSL_HELLO_REQUEST: /* Intentional fallthrough */ case MBEDTLS_SSL_CLIENT_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); break; case TEST_EARLY_DATA_HRR: if (!client_ep.ssl.handshake->hello_retry_request_flag) { TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); } else { beyond_first_hello = 1; TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_CLIENT_HELLO); } break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_SERVER_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); break; case TEST_EARLY_DATA_HRR: if (!client_ep.ssl.handshake->hello_retry_request_flag) { TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); } else { TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); } break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_ENCRYPTED_EXTENSIONS: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS); break; case TEST_EARLY_DATA_HRR: TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_SERVER_FINISHED: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED); break; case TEST_EARLY_DATA_SERVER_REJECTS: TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED); break; case TEST_EARLY_DATA_HRR: TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_END_OF_EARLY_DATA: TEST_EQUAL(scenario, TEST_EARLY_DATA_ACCEPTED); TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_END_OF_EARLY_DATA); break; #if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE) case MBEDTLS_SSL_CLIENT_CCS_AFTER_CLIENT_HELLO: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(write_early_data_ret, early_data_len); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO); break; default: TEST_FAIL("Unknown scenario."); } break; case MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO: TEST_EQUAL(scenario, TEST_EARLY_DATA_HRR); TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO); break; case MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED: switch (scenario) { case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED); break; default: TEST_FAIL("Unexpected or unknown scenario."); } break; #endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */ case MBEDTLS_SSL_CLIENT_CERTIFICATE: /* Intentional fallthrough */ case MBEDTLS_SSL_CLIENT_FINISHED: /* Intentional fallthrough */ case MBEDTLS_SSL_FLUSH_BUFFERS: /* Intentional fallthrough */ case MBEDTLS_SSL_HANDSHAKE_WRAPUP: /* Intentional fallthrough */ case MBEDTLS_SSL_HANDSHAKE_OVER: switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */ case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.state, client_state); break; default: TEST_FAIL("Unknown scenario."); } break; default: TEST_FAIL("Unexpected state."); } complete_handshake: do { ret = mbedtls_test_move_handshake_to_state( &(server_ep.ssl), &(client_ep.ssl), MBEDTLS_SSL_HANDSHAKE_OVER); if (ret == MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA) { read_early_data_ret = mbedtls_ssl_read_early_data( &(server_ep.ssl), read_buf, sizeof(read_buf)); TEST_EQUAL(read_early_data_ret, early_data_len); } } while (ret == MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA); TEST_EQUAL(ret, 0); TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_HANDSHAKE_OVER), 0); mbedtls_test_mock_socket_close(&(client_ep.socket)); mbedtls_test_mock_socket_close(&(server_ep.socket)); ret = mbedtls_ssl_session_reset(&(client_ep.ssl)); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); ret = mbedtls_ssl_session_reset(&(server_ep.ssl)); TEST_EQUAL(ret, 0); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); previous_client_state = client_state; if (previous_client_state == MBEDTLS_SSL_HANDSHAKE_OVER) { break; } /* In case of HRR scenario, once we have been through it, move over * the first ClientHello and ServerHello otherwise we just keep playing * this first part of the handshake with HRR. */ if ((scenario == TEST_EARLY_DATA_HRR) && (beyond_first_hello)) { TEST_ASSERT(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_SERVER_HELLO) == 0); TEST_ASSERT(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_CLIENT_HELLO) == 0); } TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), previous_client_state), 0); /* Progress the handshake from at least one state */ while (client_ep.ssl.state == previous_client_state) { ret = mbedtls_ssl_handshake_step(&(client_ep.ssl)); TEST_ASSERT((ret == 0) || (ret == MBEDTLS_ERR_SSL_WANT_READ) || (ret == MBEDTLS_ERR_SSL_WANT_WRITE)); if (client_ep.ssl.state != previous_client_state) { break; } ret = mbedtls_ssl_handshake_step(&(server_ep.ssl)); TEST_ASSERT((ret == 0) || (ret == MBEDTLS_ERR_SSL_WANT_READ) || (ret == MBEDTLS_ERR_SSL_WANT_WRITE)); } } while (1); exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_cli_max_early_data_size(int max_early_data_size_arg) { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; unsigned char *buf = NULL; uint32_t buf_size = 64; uint32_t max_early_data_size; uint32_t written_early_data_size = 0; uint32_t read_early_data_size = 0; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); TEST_CALLOC(buf, buf_size); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.max_early_data_size = max_early_data_size_arg; ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); max_early_data_size = saved_session.max_early_data_size; /* * (max_early_data_size + 1024) for the size of the socket buffers for the * server one to be able to contain the maximum number of early data bytes * plus the first flight of client messages. Needed because we cannot * initiate the handshake on server side before doing all the calls to * mbedtls_ssl_write_early_data() we want to test. See below for more * information. */ ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), max_early_data_size + 1024); TEST_EQUAL(ret, 0); /* If our server is configured with max_early_data_size equal to zero, it * does not set the MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA flag for * the tickets it creates. To be able to test early data with a ticket * allowing early data in its flags but with max_early_data_size equal to * zero (case supported by our client) tweak the ticket flags here. */ if (max_early_data_size == 0) { saved_session.ticket_flags |= MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA; } ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); while (written_early_data_size < max_early_data_size) { uint32_t remaining = max_early_data_size - written_early_data_size; for (size_t i = 0; i < buf_size; i++) { buf[i] = (unsigned char) (written_early_data_size + i); } ret = mbedtls_ssl_write_early_data(&(client_ep.ssl), buf, buf_size); if (buf_size <= remaining) { TEST_EQUAL(ret, buf_size); } else { TEST_EQUAL(ret, remaining); } written_early_data_size += buf_size; } TEST_EQUAL(client_ep.ssl.total_early_data_size, max_early_data_size); ret = mbedtls_ssl_write_early_data(&(client_ep.ssl), buf, 1); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA); TEST_EQUAL(client_ep.ssl.total_early_data_size, max_early_data_size); TEST_EQUAL(client_ep.ssl.early_data_state, MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE); /* * Now, check data on server side. It is not done in the previous loop as * in the first call to mbedtls_ssl_handshake(), the server ends up sending * its Finished message and then in the following call to * mbedtls_ssl_write_early_data() we go past the early data writing window * and we cannot test multiple calls to the API is this writing window. */ while (read_early_data_size < max_early_data_size) { ret = mbedtls_ssl_handshake(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA); ret = mbedtls_ssl_read_early_data(&(server_ep.ssl), buf, buf_size); TEST_ASSERT(ret > 0); for (size_t i = 0; i < (size_t) ret; i++) { TEST_EQUAL(buf[i], (unsigned char) (read_early_data_size + i)); } read_early_data_size += ret; } TEST_EQUAL(read_early_data_size, max_early_data_size); ret = mbedtls_ssl_handshake(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_WANT_READ); TEST_ASSERT(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_HANDSHAKE_OVER) == 0); exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); mbedtls_free(buf); PSA_DONE(); } /* END_CASE */ /* * The !MBEDTLS_SSL_PROTO_TLS1_2 dependency of tls13_early_data() below is * a temporary workaround to not run the test in Windows-2013 where there is * an issue with mbedtls_vsnprintf(). */ /* BEGIN_CASE depends_on:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */ void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg, int write_size_arg) { int ret = -1; mbedtls_test_ssl_endpoint client_ep, server_ep; mbedtls_test_handshake_test_options client_options; mbedtls_test_handshake_test_options server_options; mbedtls_ssl_session saved_session; mbedtls_test_ssl_log_pattern server_pattern = { NULL, 0 }; uint16_t group_list[3] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1, MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1, MBEDTLS_SSL_IANA_TLS_GROUP_NONE }; char pattern[128]; unsigned char *buf_write = NULL; uint32_t write_size = (uint32_t) write_size_arg; unsigned char *buf_read = NULL; uint32_t read_size; uint32_t expanded_early_data_chunk_size = 0; uint32_t written_early_data_size = 0; uint32_t max_early_data_size; mbedtls_platform_zeroize(&client_ep, sizeof(client_ep)); mbedtls_platform_zeroize(&server_ep, sizeof(server_ep)); mbedtls_test_init_handshake_options(&client_options); mbedtls_test_init_handshake_options(&server_options); mbedtls_ssl_session_init(&saved_session); PSA_INIT(); TEST_CALLOC(buf_write, write_size); /* * Allocate a smaller buffer for early data reading to exercise the reading * of data in one record in multiple calls. */ read_size = (write_size / 2) + 1; TEST_CALLOC(buf_read, read_size); /* * Run first handshake to get a ticket from the server. */ client_options.pk_alg = MBEDTLS_PK_ECDSA; client_options.group_list = group_list; client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.pk_alg = MBEDTLS_PK_ECDSA; server_options.group_list = group_list; server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; server_options.max_early_data_size = max_early_data_size_arg; ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options, &saved_session); TEST_EQUAL(ret, 0); /* * Prepare for handshake with the ticket. */ server_options.srv_log_fun = mbedtls_test_ssl_log_analyzer; server_options.srv_log_obj = &server_pattern; server_pattern.pattern = pattern; switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: break; case TEST_EARLY_DATA_SERVER_REJECTS: server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; ret = mbedtls_snprintf(pattern, sizeof(pattern), "EarlyData: deprotect and discard app data records."); TEST_ASSERT(ret < (int) sizeof(pattern)); mbedtls_debug_set_threshold(3); break; case TEST_EARLY_DATA_HRR: /* * Remove server support for the group negotiated in * mbedtls_test_get_tls13_ticket() forcing an HelloRetryRequest. */ server_options.group_list = group_list + 1; ret = mbedtls_snprintf( pattern, sizeof(pattern), "EarlyData: Ignore application message before 2nd ClientHello"); TEST_ASSERT(ret < (int) sizeof(pattern)); mbedtls_debug_set_threshold(3); break; default: TEST_FAIL("Unknown scenario."); } ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT, &client_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER, &server_options, NULL, NULL, NULL); TEST_EQUAL(ret, 0); mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf, mbedtls_test_ticket_write, mbedtls_test_ticket_parse, NULL); ret = mbedtls_test_mock_socket_connect(&(client_ep.socket), &(server_ep.socket), 1024); TEST_EQUAL(ret, 0); max_early_data_size = saved_session.max_early_data_size; ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session); TEST_EQUAL(ret, 0); /* * Start an handshake based on the ticket up to the point where early data * can be sent from client side. Then send in a loop as much early data as * possible without going over the maximum permitted size for the ticket. * Finally, do a last writting to go past that maximum permitted size and * check that we detect it. */ TEST_EQUAL(mbedtls_test_move_handshake_to_state( &(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_SERVER_HELLO), 0); TEST_ASSERT(client_ep.ssl.early_data_state != MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT); ret = mbedtls_ssl_handshake(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_WANT_READ); /* * Write and if possible read as much as possible chunks of write_size * bytes data without getting over the max_early_data_size limit. */ do { uint32_t read_early_data_size = 0; /* * The contents of the early data are not very important, write a * pattern that varies byte-by-byte and is different for every chunk of * early data. */ if ((written_early_data_size + write_size) > max_early_data_size) { break; } /* * If the server rejected early data, base the determination of when * to stop the loop on the expanded size (padding and encryption * expansion) of early data on server side and the number of early data * received so far by the server (multiple of the expanded size). */ if ((expanded_early_data_chunk_size != 0) && ((server_ep.ssl.total_early_data_size + expanded_early_data_chunk_size) > max_early_data_size)) { break; } for (size_t i = 0; i < write_size; i++) { buf_write[i] = (unsigned char) (written_early_data_size + i); } ret = write_early_data(&(client_ep.ssl), buf_write, write_size); TEST_EQUAL(ret, write_size); written_early_data_size += write_size; switch (scenario) { case TEST_EARLY_DATA_ACCEPTED: while (read_early_data_size < write_size) { ret = mbedtls_ssl_handshake(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA); ret = mbedtls_ssl_read_early_data(&(server_ep.ssl), buf_read, read_size); TEST_ASSERT(ret > 0); TEST_MEMORY_COMPARE(buf_read, ret, buf_write + read_early_data_size, ret); read_early_data_size += ret; TEST_EQUAL(server_ep.ssl.total_early_data_size, written_early_data_size); } break; case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */ case TEST_EARLY_DATA_HRR: ret = mbedtls_ssl_handshake(&(server_ep.ssl)); /* * In this write loop we try to always stay below the * max_early_data_size limit but if max_early_data_size is very * small we may exceed the max_early_data_size limit on the * first write. In TEST_EARLY_DATA_SERVER_REJECTS/ * TEST_EARLY_DATA_HRR scenario, this is for sure the case if * max_early_data_size is smaller than the smallest possible * inner content/protected record. Take into account this * possibility here but only for max_early_data_size values * that are close to write_size. Below, '1' is for the inner * type byte and '16' is to take into account some AEAD * expansion (tag, ...). */ if (ret == MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) { if (scenario == TEST_EARLY_DATA_SERVER_REJECTS) { TEST_LE_U(max_early_data_size, write_size + 1 + MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY); } else { TEST_LE_U(max_early_data_size, write_size + 1 + 16 + MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY); } goto exit; } TEST_ASSERT(ret == MBEDTLS_ERR_SSL_WANT_READ); TEST_EQUAL(server_pattern.counter, 1); server_pattern.counter = 0; if (expanded_early_data_chunk_size == 0) { expanded_early_data_chunk_size = server_ep.ssl.total_early_data_size; } break; } TEST_LE_U(server_ep.ssl.total_early_data_size, max_early_data_size); } while (1); mbedtls_debug_set_threshold(3); ret = write_early_data(&(client_ep.ssl), buf_write, write_size); TEST_EQUAL(ret, write_size); ret = mbedtls_snprintf(pattern, sizeof(pattern), "EarlyData: Too much early data received"); TEST_ASSERT(ret < (int) sizeof(pattern)); ret = mbedtls_ssl_handshake(&(server_ep.ssl)); TEST_EQUAL(ret, MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE); TEST_EQUAL(server_pattern.counter, 1); exit: mbedtls_test_ssl_endpoint_free(&client_ep, NULL); mbedtls_test_ssl_endpoint_free(&server_ep, NULL); mbedtls_test_free_handshake_options(&client_options); mbedtls_test_free_handshake_options(&server_options); mbedtls_ssl_session_free(&saved_session); mbedtls_free(buf_write); mbedtls_free(buf_read); mbedtls_debug_set_threshold(0); PSA_DONE(); } /* END_CASE */