/* BEGIN_HEADER */ #include #include #include #include #include #include #include #include "hash_info.h" #include #include #define SSL_MESSAGE_QUEUE_INIT { NULL, 0, 0, 0 } /* 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; 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. */ mbedtls_test_ssl_buffer_init(&buf); 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; } ASSERT_ALLOC(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; } ASSERT_ALLOC(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); 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 *hostname0, char *hostname1) { mbedtls_ssl_context ssl; mbedtls_ssl_init(&ssl); USE_PSA_INIT(); TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, hostname0) == 0); TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, hostname1) == 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_ASSERT((buf = mbedtls_calloc(1, buflen)) != NULL); 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_ASSERT((buf = mbedtls_calloc(1, buflen)) != NULL); 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 ((mode == 1 || mode == 2) && seen_success) { TEST_ASSERT(ret == 0); } else { TEST_ASSERT(ret == 0 || ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); if (ret == 0) { seen_success = 1; } } 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 */ 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_CIPHER_MODE_CBC:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2 */ void ssl_decrypt_non_etm_cbc(int cipher_type, int hash_id, int trunc_hmac, int length_selector) { /* * Test record decryption for CBC without EtM, focused on the verification * of padding and MAC. * * Actually depends on TLS 1.2 and either AES, ARIA or Camellia, but since * the test framework doesn't support alternation in dependency statements, * just depend on AES. * * The length_selector argument is interpreted as follows: * - if it's -1, the plaintext length is 0 and minimal padding is applied * - if it's -2, the plaintext length is 0 and maximal padding is applied * - otherwise it must be in [0, 255] and is padding_length from RFC 5246: * it's the length of the rest of the padding, that is, excluding the * byte that encodes the length. The minimal non-zero plaintext length * that gives this padding_length is automatically selected. */ mbedtls_ssl_context ssl; /* ONLY for debugging */ mbedtls_ssl_transform t0, t1; mbedtls_record rec, rec_save; unsigned char *buf = NULL, *buf_save = NULL; size_t buflen, olen = 0; size_t plaintext_len, block_size, i; unsigned char padlen; /* excluding the padding_length byte */ unsigned char add_data[13]; #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT; size_t sign_mac_length = 0; unsigned char mac[PSA_HASH_MAX_SIZE]; #else unsigned char mac[MBEDTLS_MD_MAX_SIZE]; #endif int exp_ret; int ret; const unsigned char pad_max_len = 255; /* Per the standard */ mbedtls_ssl_init(&ssl); mbedtls_ssl_transform_init(&t0); mbedtls_ssl_transform_init(&t1); MD_OR_USE_PSA_INIT(); /* Set up transforms with dummy keys */ ret = mbedtls_test_ssl_build_transforms(&t0, &t1, cipher_type, hash_id, 0, trunc_hmac, MBEDTLS_SSL_VERSION_TLS1_2, 0, 0); TEST_ASSERT(ret == 0); /* Determine padding/plaintext length */ TEST_ASSERT(length_selector >= -2 && length_selector <= 255); block_size = t0.ivlen; if (length_selector < 0) { plaintext_len = 0; /* Minimal padding * The +1 is for the padding_length byte, not counted in padlen. */ padlen = block_size - (t0.maclen + 1) % block_size; /* Maximal padding? */ if (length_selector == -2) { padlen += block_size * ((pad_max_len - padlen) / block_size); } } else { padlen = length_selector; /* Minimal non-zero plaintext_length giving desired padding. * The +1 is for the padding_length byte, not counted in padlen. */ plaintext_len = block_size - (padlen + t0.maclen + 1) % block_size; } /* Prepare a buffer for record data */ buflen = block_size + plaintext_len + t0.maclen + padlen + 1; ASSERT_ALLOC(buf, buflen); ASSERT_ALLOC(buf_save, buflen); /* Prepare a dummy record header */ memset(rec.ctr, 0, sizeof(rec.ctr)); rec.type = MBEDTLS_SSL_MSG_APPLICATION_DATA; mbedtls_ssl_write_version(rec.ver, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_VERSION_TLS1_2); #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) rec.cid_len = 0; #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ /* Prepare dummy record content */ rec.buf = buf; rec.buf_len = buflen; rec.data_offset = block_size; rec.data_len = plaintext_len; memset(rec.buf + rec.data_offset, 42, rec.data_len); /* Serialized version of record header for MAC purposes */ memcpy(add_data, rec.ctr, 8); add_data[8] = rec.type; add_data[9] = rec.ver[0]; add_data[10] = rec.ver[1]; add_data[11] = (rec.data_len >> 8) & 0xff; add_data[12] = (rec.data_len >> 0) & 0xff; /* Set dummy IV */ memset(t0.iv_enc, 0x55, t0.ivlen); memcpy(rec.buf, t0.iv_enc, t0.ivlen); /* * Prepare a pre-encryption record (with MAC and padding), and save it. */ /* MAC with additional data */ #if defined(MBEDTLS_USE_PSA_CRYPTO) TEST_EQUAL(PSA_SUCCESS, psa_mac_sign_setup(&operation, t0.psa_mac_enc, t0.psa_mac_alg)); TEST_EQUAL(PSA_SUCCESS, psa_mac_update(&operation, add_data, 13)); TEST_EQUAL(PSA_SUCCESS, psa_mac_update(&operation, rec.buf + rec.data_offset, rec.data_len)); TEST_EQUAL(PSA_SUCCESS, psa_mac_sign_finish(&operation, mac, sizeof(mac), &sign_mac_length)); #else TEST_EQUAL(0, mbedtls_md_hmac_update(&t0.md_ctx_enc, add_data, 13)); TEST_EQUAL(0, mbedtls_md_hmac_update(&t0.md_ctx_enc, rec.buf + rec.data_offset, rec.data_len)); TEST_EQUAL(0, mbedtls_md_hmac_finish(&t0.md_ctx_enc, mac)); #endif memcpy(rec.buf + rec.data_offset + rec.data_len, mac, t0.maclen); rec.data_len += t0.maclen; /* Pad */ memset(rec.buf + rec.data_offset + rec.data_len, padlen, padlen + 1); rec.data_len += padlen + 1; /* Save correct pre-encryption record */ rec_save = rec; rec_save.buf = buf_save; memcpy(buf_save, buf, buflen); /* * Encrypt and decrypt the correct record, expecting success */ TEST_EQUAL(0, mbedtls_test_psa_cipher_encrypt_helper( &t0, t0.iv_enc, t0.ivlen, rec.buf + rec.data_offset, rec.data_len, rec.buf + rec.data_offset, &olen)); rec.data_offset -= t0.ivlen; rec.data_len += t0.ivlen; TEST_EQUAL(0, mbedtls_ssl_decrypt_buf(&ssl, &t1, &rec)); /* * Modify each byte of the pre-encryption record before encrypting and * decrypting it, expecting failure every time. */ for (i = block_size; i < buflen; i++) { mbedtls_test_set_step(i); /* Restore correct pre-encryption record */ rec = rec_save; rec.buf = buf; memcpy(buf, buf_save, buflen); /* Corrupt one byte of the data (could be plaintext, MAC or padding) */ rec.buf[i] ^= 0x01; /* Encrypt */ TEST_EQUAL(0, mbedtls_test_psa_cipher_encrypt_helper( &t0, t0.iv_enc, t0.ivlen, rec.buf + rec.data_offset, rec.data_len, rec.buf + rec.data_offset, &olen)); rec.data_offset -= t0.ivlen; rec.data_len += t0.ivlen; /* Decrypt and expect failure */ TEST_EQUAL(MBEDTLS_ERR_SSL_INVALID_MAC, mbedtls_ssl_decrypt_buf(&ssl, &t1, &rec)); } /* * Use larger values of the padding bytes - with small buffers, this tests * the case where the announced padlen would be larger than the buffer * (and before that, than the buffer minus the size of the MAC), to make * sure our padding checking code does not perform any out-of-bounds reads * in this case. (With larger buffers, ie when the plaintext is long or * maximal length padding is used, this is less relevant but still doesn't * hurt to test.) * * (Start the loop with correct padding, just to double-check that record * saving did work, and that we're overwriting the correct bytes.) */ for (i = padlen; i <= pad_max_len; i++) { mbedtls_test_set_step(i); /* Restore correct pre-encryption record */ rec = rec_save; rec.buf = buf; memcpy(buf, buf_save, buflen); /* Set padding bytes to new value */ memset(buf + buflen - padlen - 1, i, padlen + 1); /* Encrypt */ TEST_EQUAL(0, mbedtls_test_psa_cipher_encrypt_helper( &t0, t0.iv_enc, t0.ivlen, rec.buf + rec.data_offset, rec.data_len, rec.buf + rec.data_offset, &olen)); rec.data_offset -= t0.ivlen; rec.data_len += t0.ivlen; /* Decrypt and expect failure except the first time */ exp_ret = (i == padlen) ? 0 : MBEDTLS_ERR_SSL_INVALID_MAC; TEST_EQUAL(exp_ret, mbedtls_ssl_decrypt_buf(&ssl, &t1, &rec)); } exit: mbedtls_ssl_free(&ssl); mbedtls_ssl_transform_free(&t0); mbedtls_ssl_transform_free(&t1); mbedtls_free(buf); mbedtls_free(buf_save); 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); ASSERT_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); ASSERT_COMPARE(keys.client_write_key, keys.key_len, expected_client_write_key->x, (size_t) desired_key_len); ASSERT_COMPARE(keys.server_write_key, keys.key_len, expected_server_write_key->x, (size_t) desired_key_len); ASSERT_COMPARE(keys.client_write_iv, keys.iv_len, expected_client_write_iv->x, (size_t) desired_iv_len); ASSERT_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); ASSERT_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); ASSERT_COMPARE(secrets.client_early_traffic_secret, hash_len, traffic_expected->x, traffic_expected->len); ASSERT_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); ASSERT_COMPARE(secrets.client_handshake_traffic_secret, hash_len, client_expected->x, client_expected->len); ASSERT_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); ASSERT_COMPARE(secrets.client_application_traffic_secret_N, hash_len, client_expected->x, client_expected->len); ASSERT_COMPARE(secrets.server_application_traffic_secret_N, hash_len, server_expected->x, server_expected->len); ASSERT_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); ASSERT_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_HASH_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); ASSERT_COMPARE(binder, hash_len, binder_expected->x, binder_expected->len); exit: PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_MD_CAN_SHA256 */ 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 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; mbedtls_ssl_transform_init(&transform_recv); mbedtls_ssl_transform_init(&transform_send); 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; ASSERT_ALLOC(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) { ASSERT_COMPARE(rec.buf + rec.data_offset, rec.data_len, ciphertext->x, ciphertext->len); } TEST_ASSERT(mbedtls_ssl_decrypt_buf(NULL, &transform_recv, &rec) == 0); ASSERT_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_HASH_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); ASSERT_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) endpoint_type); ((void) tls_version); #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); } else #endif { TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &original, ticket_len, crt_file) == 0); } /* Serialize it */ TEST_ASSERT(mbedtls_ssl_session_save(&original, NULL, 0, &len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); TEST_ASSERT((buf = mbedtls_calloc(1, len)) != NULL); 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) TEST_ASSERT(original.start == restored.start); #endif TEST_ASSERT(original.tls_version == restored.tls_version); 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.endpoint == restored.endpoint); 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_HAVE_TIME) && defined(MBEDTLS_SSL_SRV_C) if (endpoint_type == MBEDTLS_SSL_IS_SERVER) { TEST_ASSERT(original.start == restored.start); } #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_received == restored.ticket_received); #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 */ 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) endpoint_type); ((void) tls_version); #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); } else #endif { TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, crt_file) == 0); } /* 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) endpoint_type); ((void) tls_version); #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); } else #endif { TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, crt_file) == 0); } 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); TEST_ASSERT((buf = mbedtls_calloc(1, bad_len)) != NULL); 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) endpoint_type); ((void) tls_version); #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); } else #endif { TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, ticket_len, crt_file) == 0); } TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &good_len) == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL); TEST_ASSERT((good_buf = mbedtls_calloc(1, good_len)) != NULL); 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 = mbedtls_calloc(1, bad_len ? bad_len : 1); TEST_ASSERT(bad_buf != NULL); 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(); ((void) endpoint_type); ((void) tls_version); #if defined(MBEDTLS_SSL_PROTO_TLS1_3) if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) { TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session( &session, 0, endpoint_type) == 0); } else #endif TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session( &session, 0, NULL) == 0); /* 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 depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!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, 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, 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_DP_SECP384R1_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_LIGHT */ 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, 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, 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_DP_SECP384R1_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_LIGHT: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_DP_SECP384R1_ENABLED: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_DP_SECP384R1_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_LIGHT: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_DP_SECP384R1_ENABLED: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_DP_SECP384R1_ENABLED: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_AES_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_CIPHER_MODE_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_DP_SECP384R1_ENABLED: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_DP_SECP384R1_ENABLED: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_DP_SECP384R1_ENABLED: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_DP_SECP384R1_ENABLED: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); TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == expected_ssl_setup_result); mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); exit: MD_OR_USE_PSA_DONE(); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_ECP_LIGHT:!MBEDTLS_DEPRECATED_REMOVED:!MBEDTLS_DEPRECATED_WARNING:MBEDTLS_ECP_DP_SECP192R1_ENABLED:MBEDTLS_ECP_DP_SECP224R1_ENABLED:MBEDTLS_ECP_DP_SECP256R1_ENABLED */ 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(); 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_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_DP_SECP384R1_ENABLED: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, NULL) == 0); TEST_ASSERT(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER, &options, NULL, 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); 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); 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); ASSERT_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_DP_SECP256R1_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED: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 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)); mbedtls_test_init_handshake_options(&options); options.pk_alg = MBEDTLS_PK_ECDSA; options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2; options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2; /* Client side, force SECP256R1 to make one key bitflip fail * the raw key agreement. Flipping the first byte makes the * required 0x04 identifier invalid. */ TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&client, MBEDTLS_SSL_IS_CLIENT, &options, NULL, NULL, NULL, iana_tls_group_list), 0); /* Server side */ TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER, &options, NULL, 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->ecdh_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(&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_DP_SECP384R1_ENABLED */ 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, 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, 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); 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_ecc_family_t psa_family; size_t psa_bits; MD_OR_USE_PSA_INIT(); #if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) || 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_DP_BP512R1_ENABLED) || 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_DP_SECP384R1_ENABLED) || 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_DP_BP384R1_ENABLED) || 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_DP_SECP256R1_ENABLED) || 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_DP_SECP256K1_ENABLED) || 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_DP_BP256R1_ENABLED) || 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_DP_SECP224R1_ENABLED) || 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_DP_SECP224K1_ENABLED) || 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_DP_SECP192R1_ENABLED) || 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_DP_SECP192K1_ENABLED) || 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_DP_CURVE25519_ENABLED) || 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_DP_CURVE448_ENABLED) || 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 */