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review.trustedfirmware.org / mirror / mbed-tls / ada21b09b51d6ca25922e8062b1a523aaf655314 / . / tests / suites / test_suite_ssl.function
blob: 6a0c92f5687503e4d451429d27de6ba7372fc8e5 [file] [log] [blame]
/* BEGIN_HEADER */
#include <ssl_misc.h>
#include <mbedtls/timing.h>
#include <mbedtls/debug.h>
#include <mbedtls/pk.h>
#include <ssl_tls13_keys.h>
#include <ssl_tls13_invasive.h>
#include <test/ssl_helpers.h>
#include <constant_time_internal.h>
#include <test/constant_flow.h>
#define SSL_MESSAGE_QUEUE_INIT { NULL, 0, 0, 0 }
/* Mnemonics for the early data test scenarios */
#define TEST_EARLY_DATA_ACCEPTED 0
#define TEST_EARLY_DATA_NO_INDICATION_SENT 1
#define TEST_EARLY_DATA_SERVER_REJECTS 2
#define TEST_EARLY_DATA_HRR 3
#define TEST_EARLY_DATA_SAME_ALPN 4
#define TEST_EARLY_DATA_DIFF_ALPN 5
#define TEST_EARLY_DATA_NO_INITIAL_ALPN 6
#define TEST_EARLY_DATA_NO_LATER_ALPN 7
#if (!defined(MBEDTLS_SSL_PROTO_TLS1_2)) && \
defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_CLI_C) && \
defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_DEBUG_C) && \
defined(MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE) && \
defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \
defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED) && \
defined(PSA_WANT_ALG_SHA_256) && \
defined(MBEDTLS_ECP_HAVE_SECP256R1) && defined(MBEDTLS_ECP_HAVE_SECP384R1) && \
defined(MBEDTLS_PK_CAN_ECDSA_VERIFY) && defined(MBEDTLS_SSL_SESSION_TICKETS)
/*
* Test function to write early data for negative tests where
* mbedtls_ssl_write_early_data() cannot be used.
*/
static int write_early_data(mbedtls_ssl_context *ssl,
unsigned char *buf, size_t len)
{
int ret = mbedtls_ssl_get_max_out_record_payload(ssl);
TEST_ASSERT(ret > 0);
TEST_LE_U(len, (size_t) ret);
ret = mbedtls_ssl_flush_output(ssl);
TEST_EQUAL(ret, 0);
TEST_EQUAL(ssl->out_left, 0);
ssl->out_msglen = len;
ssl->out_msgtype = MBEDTLS_SSL_MSG_APPLICATION_DATA;
if (len > 0) {
memcpy(ssl->out_msg, buf, len);
}
ret = mbedtls_ssl_write_record(ssl, 1);
TEST_EQUAL(ret, 0);
ret = len;
exit:
return ret;
}
#endif
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_SSL_TLS_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void test_callback_buffer_sanity()
{
enum { MSGLEN = 10 };
mbedtls_test_ssl_buffer buf;
mbedtls_test_ssl_buffer_init(&buf);
unsigned char input[MSGLEN];
unsigned char output[MSGLEN];
USE_PSA_INIT();
memset(input, 0, sizeof(input));
/* Make sure calling put and get on NULL buffer results in error. */
TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, input, sizeof(input))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(NULL, output, sizeof(output))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, NULL, sizeof(input))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(NULL, NULL, 0) == -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(NULL, NULL, 0) == -1);
/* Make sure calling put and get on a buffer that hasn't been set up results
* in error. */
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, sizeof(input))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, output, sizeof(output))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, sizeof(input))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, 0) == -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, 0) == -1);
/* Make sure calling put and get on NULL input only results in
* error if the length is not zero, and that a NULL output is valid for data
* dropping.
*/
TEST_ASSERT(mbedtls_test_ssl_buffer_setup(&buf, sizeof(input)) == 0);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, sizeof(input))
== -1);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, sizeof(output))
== 0);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, NULL, 0) == 0);
TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, NULL, 0) == 0);
/* Make sure calling put several times in the row is safe */
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, sizeof(input))
== sizeof(input));
TEST_ASSERT(mbedtls_test_ssl_buffer_get(&buf, output, 2) == 2);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 2) == 1);
TEST_ASSERT(mbedtls_test_ssl_buffer_put(&buf, input, 2) == 0);
exit:
mbedtls_test_ssl_buffer_free(&buf);
USE_PSA_DONE();
}
/* END_CASE */
/*
* Test if the implementation of `mbedtls_test_ssl_buffer` related functions is
* correct and works as expected.
*
* That is
* - If we try to put in \p put1 bytes then we can put in \p put1_ret bytes.
* - Afterwards if we try to get \p get1 bytes then we can get \get1_ret bytes.
* - Next, if we try to put in \p put1 bytes then we can put in \p put1_ret
* bytes.
* - Afterwards if we try to get \p get1 bytes then we can get \get1_ret bytes.
* - All of the bytes we got match the bytes we put in in a FIFO manner.
*/
/* BEGIN_CASE */
void test_callback_buffer(int size, int put1, int put1_ret,
int get1, int get1_ret, int put2, int put2_ret,
int get2, int get2_ret)
{
enum { ROUNDS = 2 };
size_t put[ROUNDS];
int put_ret[ROUNDS];
size_t get[ROUNDS];
int get_ret[ROUNDS];
mbedtls_test_ssl_buffer buf;
unsigned char *input = NULL;
size_t input_len;
unsigned char *output = NULL;
size_t output_len;
size_t i, j, written, read;
mbedtls_test_ssl_buffer_init(&buf);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_buffer_setup(&buf, size) == 0);
/* Check the sanity of input parameters and initialise local variables. That
* is, ensure that the amount of data is not negative and that we are not
* expecting more to put or get than we actually asked for. */
TEST_ASSERT(put1 >= 0);
put[0] = put1;
put_ret[0] = put1_ret;
TEST_ASSERT(put1_ret <= put1);
TEST_ASSERT(put2 >= 0);
put[1] = put2;
put_ret[1] = put2_ret;
TEST_ASSERT(put2_ret <= put2);
TEST_ASSERT(get1 >= 0);
get[0] = get1;
get_ret[0] = get1_ret;
TEST_ASSERT(get1_ret <= get1);
TEST_ASSERT(get2 >= 0);
get[1] = get2;
get_ret[1] = get2_ret;
TEST_ASSERT(get2_ret <= get2);
input_len = 0;
/* Calculate actual input and output lengths */
for (j = 0; j < ROUNDS; j++) {
if (put_ret[j] > 0) {
input_len += put_ret[j];
}
}
/* In order to always have a valid pointer we always allocate at least 1
* byte. */
if (input_len == 0) {
input_len = 1;
}
TEST_CALLOC(input, input_len);
output_len = 0;
for (j = 0; j < ROUNDS; j++) {
if (get_ret[j] > 0) {
output_len += get_ret[j];
}
}
TEST_ASSERT(output_len <= input_len);
/* In order to always have a valid pointer we always allocate at least 1
* byte. */
if (output_len == 0) {
output_len = 1;
}
TEST_CALLOC(output, output_len);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < input_len; i++) {
input[i] = i & 0xFF;
}
written = read = 0;
for (j = 0; j < ROUNDS; j++) {
TEST_ASSERT(put_ret[j] == mbedtls_test_ssl_buffer_put(&buf,
input + written, put[j]));
written += put_ret[j];
TEST_ASSERT(get_ret[j] == mbedtls_test_ssl_buffer_get(&buf,
output + read, get[j]));
read += get_ret[j];
TEST_ASSERT(read <= written);
if (get_ret[j] > 0) {
TEST_ASSERT(memcmp(output + read - get_ret[j],
input + read - get_ret[j], get_ret[j])
== 0);
}
}
exit:
mbedtls_free(input);
mbedtls_free(output);
mbedtls_test_ssl_buffer_free(&buf);
USE_PSA_DONE();
}
/* END_CASE */
/*
* Test if the implementation of `mbedtls_test_mock_socket` related
* I/O functions is correct and works as expected on unconnected sockets.
*/
/* BEGIN_CASE */
void ssl_mock_sanity()
{
enum { MSGLEN = 105 };
unsigned char message[MSGLEN] = { 0 };
unsigned char received[MSGLEN] = { 0 };
mbedtls_test_mock_socket socket;
mbedtls_test_mock_socket_init(&socket);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_mock_tcp_send_b(&socket, message, MSGLEN) < 0);
mbedtls_test_mock_socket_close(&socket);
mbedtls_test_mock_socket_init(&socket);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_b(&socket, received, MSGLEN) < 0);
mbedtls_test_mock_socket_close(&socket);
mbedtls_test_mock_socket_init(&socket);
TEST_ASSERT(mbedtls_test_mock_tcp_send_nb(&socket, message, MSGLEN) < 0);
mbedtls_test_mock_socket_close(&socket);
mbedtls_test_mock_socket_init(&socket);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_nb(&socket, received, MSGLEN) < 0);
mbedtls_test_mock_socket_close(&socket);
exit:
mbedtls_test_mock_socket_close(&socket);
USE_PSA_DONE();
}
/* END_CASE */
/*
* Test if the implementation of `mbedtls_test_mock_socket` related functions
* can send a single message from the client to the server.
*/
/* BEGIN_CASE */
void ssl_mock_tcp(int blocking)
{
enum { MSGLEN = 105 };
enum { BUFLEN = MSGLEN / 5 };
unsigned char message[MSGLEN];
unsigned char received[MSGLEN];
mbedtls_test_mock_socket client;
mbedtls_test_mock_socket server;
size_t written, read;
int send_ret, recv_ret;
mbedtls_ssl_send_t *send;
mbedtls_ssl_recv_t *recv;
unsigned i;
if (blocking == 0) {
send = mbedtls_test_mock_tcp_send_nb;
recv = mbedtls_test_mock_tcp_recv_nb;
} else {
send = mbedtls_test_mock_tcp_send_b;
recv = mbedtls_test_mock_tcp_recv_b;
}
mbedtls_test_mock_socket_init(&client);
mbedtls_test_mock_socket_init(&server);
USE_PSA_INIT();
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
/* Make sure that sending a message takes a few iterations. */
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
BUFLEN));
/* Send the message to the server */
send_ret = recv_ret = 1;
written = read = 0;
while (send_ret != 0 || recv_ret != 0) {
send_ret = send(&client, message + written, MSGLEN - written);
TEST_ASSERT(send_ret >= 0);
TEST_ASSERT(send_ret <= BUFLEN);
written += send_ret;
/* If the buffer is full we can test blocking and non-blocking send */
if (send_ret == BUFLEN) {
int blocking_ret = send(&client, message, 1);
if (blocking) {
TEST_ASSERT(blocking_ret == 0);
} else {
TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_WRITE);
}
}
recv_ret = recv(&server, received + read, MSGLEN - read);
/* The result depends on whether any data was sent */
if (send_ret > 0) {
TEST_ASSERT(recv_ret > 0);
TEST_ASSERT(recv_ret <= BUFLEN);
read += recv_ret;
} else if (blocking) {
TEST_ASSERT(recv_ret == 0);
} else {
TEST_ASSERT(recv_ret == MBEDTLS_ERR_SSL_WANT_READ);
recv_ret = 0;
}
/* If the buffer is empty we can test blocking and non-blocking read */
if (recv_ret == BUFLEN) {
int blocking_ret = recv(&server, received, 1);
if (blocking) {
TEST_ASSERT(blocking_ret == 0);
} else {
TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_READ);
}
}
}
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
exit:
mbedtls_test_mock_socket_close(&client);
mbedtls_test_mock_socket_close(&server);
USE_PSA_DONE();
}
/* END_CASE */
/*
* Test if the implementation of `mbedtls_test_mock_socket` related functions
* can send messages in both direction at the same time (with the I/O calls
* interleaving).
*/
/* BEGIN_CASE */
void ssl_mock_tcp_interleaving(int blocking)
{
enum { ROUNDS = 2 };
enum { MSGLEN = 105 };
enum { BUFLEN = MSGLEN / 5 };
unsigned char message[ROUNDS][MSGLEN];
unsigned char received[ROUNDS][MSGLEN];
mbedtls_test_mock_socket client;
mbedtls_test_mock_socket server;
size_t written[ROUNDS];
size_t read[ROUNDS];
int send_ret[ROUNDS];
int recv_ret[ROUNDS];
unsigned i, j, progress;
mbedtls_ssl_send_t *send;
mbedtls_ssl_recv_t *recv;
if (blocking == 0) {
send = mbedtls_test_mock_tcp_send_nb;
recv = mbedtls_test_mock_tcp_recv_nb;
} else {
send = mbedtls_test_mock_tcp_send_b;
recv = mbedtls_test_mock_tcp_recv_b;
}
mbedtls_test_mock_socket_init(&client);
mbedtls_test_mock_socket_init(&server);
USE_PSA_INIT();
/* Fill up the buffers with structured data so that unwanted changes
* can be detected */
for (i = 0; i < ROUNDS; i++) {
for (j = 0; j < MSGLEN; j++) {
message[i][j] = (i * MSGLEN + j) & 0xFF;
}
}
/* Make sure that sending a message takes a few iterations. */
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
BUFLEN));
/* Send the message from both sides, interleaving. */
progress = 1;
for (i = 0; i < ROUNDS; i++) {
written[i] = 0;
read[i] = 0;
}
/* This loop does not stop as long as there was a successful write or read
* of at least one byte on either side. */
while (progress != 0) {
mbedtls_test_mock_socket *socket;
for (i = 0; i < ROUNDS; i++) {
/* First sending is from the client */
socket = (i % 2 == 0) ? (&client) : (&server);
send_ret[i] = send(socket, message[i] + written[i],
MSGLEN - written[i]);
TEST_ASSERT(send_ret[i] >= 0);
TEST_ASSERT(send_ret[i] <= BUFLEN);
written[i] += send_ret[i];
/* If the buffer is full we can test blocking and non-blocking
* send */
if (send_ret[i] == BUFLEN) {
int blocking_ret = send(socket, message[i], 1);
if (blocking) {
TEST_ASSERT(blocking_ret == 0);
} else {
TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_WRITE);
}
}
}
for (i = 0; i < ROUNDS; i++) {
/* First receiving is from the server */
socket = (i % 2 == 0) ? (&server) : (&client);
recv_ret[i] = recv(socket, received[i] + read[i],
MSGLEN - read[i]);
/* The result depends on whether any data was sent */
if (send_ret[i] > 0) {
TEST_ASSERT(recv_ret[i] > 0);
TEST_ASSERT(recv_ret[i] <= BUFLEN);
read[i] += recv_ret[i];
} else if (blocking) {
TEST_ASSERT(recv_ret[i] == 0);
} else {
TEST_ASSERT(recv_ret[i] == MBEDTLS_ERR_SSL_WANT_READ);
recv_ret[i] = 0;
}
/* If the buffer is empty we can test blocking and non-blocking
* read */
if (recv_ret[i] == BUFLEN) {
int blocking_ret = recv(socket, received[i], 1);
if (blocking) {
TEST_ASSERT(blocking_ret == 0);
} else {
TEST_ASSERT(blocking_ret == MBEDTLS_ERR_SSL_WANT_READ);
}
}
}
progress = 0;
for (i = 0; i < ROUNDS; i++) {
progress += send_ret[i] + recv_ret[i];
}
}
for (i = 0; i < ROUNDS; i++) {
TEST_ASSERT(memcmp(message[i], received[i], MSGLEN) == 0);
}
exit:
mbedtls_test_mock_socket_close(&client);
mbedtls_test_mock_socket_close(&server);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_queue_sanity()
{
mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT;
USE_PSA_INIT();
/* Trying to push/pull to an empty queue */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(NULL, 1)
== MBEDTLS_TEST_ERROR_ARG_NULL);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(NULL, 1)
== MBEDTLS_TEST_ERROR_ARG_NULL);
TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0);
TEST_ASSERT(queue.capacity == 3);
TEST_ASSERT(queue.num == 0);
exit:
mbedtls_test_ssl_message_queue_free(&queue);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_queue_basic()
{
mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT;
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0);
/* Sanity test - 3 pushes and 3 pops with sufficient space */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(queue.capacity == 3);
TEST_ASSERT(queue.num == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(queue.capacity == 3);
TEST_ASSERT(queue.num == 2);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2);
TEST_ASSERT(queue.capacity == 3);
TEST_ASSERT(queue.num == 3);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2);
exit:
mbedtls_test_ssl_message_queue_free(&queue);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_queue_overflow_underflow()
{
mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT;
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0);
/* 4 pushes (last one with an error), 4 pops (last one with an error) */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 3)
== MBEDTLS_ERR_SSL_WANT_WRITE);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1)
== MBEDTLS_ERR_SSL_WANT_READ);
exit:
mbedtls_test_ssl_message_queue_free(&queue);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_queue_interleaved()
{
mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT;
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 3) == 0);
/* Interleaved test - [2 pushes, 1 pop] twice, and then two pops
* (to wrap around the buffer) */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 2) == 2);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 3) == 3);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 1) == 1);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 2) == 2);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 5) == 5);
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, 8) == 8);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 3) == 3);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 5) == 5);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, 8) == 8);
exit:
mbedtls_test_ssl_message_queue_free(&queue);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_queue_insufficient_buffer()
{
mbedtls_test_ssl_message_queue queue = SSL_MESSAGE_QUEUE_INIT;
size_t message_len = 10;
size_t buffer_len = 5;
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_message_queue_setup(&queue, 1) == 0);
/* Popping without a sufficient buffer */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&queue, message_len)
== (int) message_len);
TEST_ASSERT(mbedtls_test_ssl_message_queue_pop_info(&queue, buffer_len)
== (int) buffer_len);
exit:
mbedtls_test_ssl_message_queue_free(&queue);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_uninitialized()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN] = { 0 }, received[MSGLEN];
mbedtls_test_mock_socket client, server;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
/* Send with a NULL context */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(NULL, message, MSGLEN)
== MBEDTLS_TEST_ERROR_CONTEXT_ERROR);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(NULL, message, MSGLEN)
== MBEDTLS_TEST_ERROR_CONTEXT_ERROR);
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 1,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 1,
&client,
&client_context) == 0);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MBEDTLS_TEST_ERROR_SEND_FAILED);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_READ);
/* Push directly to a queue to later simulate a disconnected behavior */
TEST_ASSERT(mbedtls_test_ssl_message_queue_push_info(&server_queue,
MSGLEN)
== MSGLEN);
/* Test if there's an error when trying to read from a disconnected
* socket */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_TEST_ERROR_RECV_FAILED);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_basic()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 1,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 1,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN));
/* Send the message to the server */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN) == MSGLEN);
/* Read from the server */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, MSGLEN);
/* Send the message to the client */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message,
MSGLEN)
== MSGLEN);
/* Read from the client */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received,
MSGLEN)
== MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_queue_overflow_underflow()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 2,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 2,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN*2));
/* Send three message to the server, last one with an error */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN - 1)
== MSGLEN - 1);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_WRITE);
/* Read three messages from the server, last one with an error */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN - 1)
== MSGLEN - 1);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_READ);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_socket_overflow()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 2,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 2,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN));
/* Send two message to the server, second one with an error */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MBEDTLS_TEST_ERROR_SEND_FAILED);
/* Read the only message from the server */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_truncated()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 2,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 2,
&client,
&client_context) == 0);
memset(received, 0, MSGLEN);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
2 * MSGLEN));
/* Send two messages to the server, the second one small enough to fit in the
* receiver's buffer. */
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN / 2)
== MSGLEN / 2);
/* Read a truncated message from the server */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN/2)
== MSGLEN/2);
/* Test that the first half of the message is valid, and second one isn't */
TEST_ASSERT(memcmp(message, received, MSGLEN/2) == 0);
TEST_ASSERT(memcmp(message + MSGLEN/2, received + MSGLEN/2, MSGLEN/2)
!= 0);
memset(received, 0, MSGLEN);
/* Read a full message from the server */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN/2)
== MSGLEN / 2);
/* Test that the first half of the message is valid */
TEST_ASSERT(memcmp(message, received, MSGLEN/2) == 0);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_socket_read_error()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 1,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 1,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN));
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN)
== MSGLEN);
/* Force a read error by disconnecting the socket by hand */
server.status = 0;
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_TEST_ERROR_RECV_FAILED);
/* Return to a valid state */
server.status = MBEDTLS_MOCK_SOCKET_CONNECTED;
memset(received, 0, sizeof(received));
/* Test that even though the server tried to read once disconnected, the
* continuity is preserved */
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_interleaved_one_way()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 3,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 3,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN*3));
/* Interleaved test - [2 sends, 1 read] twice, and then two reads
* (to wrap around the buffer) */
for (i = 0; i < 2; i++) {
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, sizeof(received));
}
for (i = 0; i < 2; i++) {
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
}
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_READ);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_message_mock_interleaved_two_ways()
{
enum { MSGLEN = 10 };
unsigned char message[MSGLEN], received[MSGLEN];
mbedtls_test_mock_socket client, server;
unsigned i;
mbedtls_test_ssl_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_message_socket_setup(&server_queue,
&client_queue, 3,
&server,
&server_context) == 0);
TEST_ASSERT(mbedtls_test_message_socket_setup(&client_queue,
&server_queue, 3,
&client,
&client_context) == 0);
/* Fill up the buffer with structured data so that unwanted changes
* can be detected */
for (i = 0; i < MSGLEN; i++) {
message[i] = i & 0xFF;
}
TEST_ASSERT(0 == mbedtls_test_mock_socket_connect(&client, &server,
MSGLEN*3));
/* Interleaved test - [2 sends, 1 read] twice, both ways, and then two reads
* (to wrap around the buffer) both ways. */
for (i = 0; i < 2; i++) {
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&client_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_send_msg(&server_context, message,
MSGLEN) == MSGLEN);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, sizeof(received));
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, sizeof(received));
}
for (i = 0; i < 2; i++) {
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, sizeof(received));
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received,
MSGLEN) == MSGLEN);
TEST_ASSERT(memcmp(message, received, MSGLEN) == 0);
memset(received, 0, sizeof(received));
}
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&server_context, received,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_READ);
TEST_ASSERT(mbedtls_test_mock_tcp_recv_msg(&client_context, received,
MSGLEN)
== MBEDTLS_ERR_SSL_WANT_READ);
exit:
mbedtls_test_message_socket_close(&server_context);
mbedtls_test_message_socket_close(&client_context);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_ANTI_REPLAY */
void ssl_dtls_replay(data_t *prevs, data_t *new, int ret)
{
uint32_t len = 0;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_DATAGRAM,
MBEDTLS_SSL_PRESET_DEFAULT) == 0);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0);
/* Read previous record numbers */
for (len = 0; len < prevs->len; len += 6) {
memcpy(ssl.in_ctr + 2, prevs->x + len, 6);
mbedtls_ssl_dtls_replay_update(&ssl);
}
/* Check new number */
memcpy(ssl.in_ctr + 2, new->x, 6);
TEST_ASSERT(mbedtls_ssl_dtls_replay_check(&ssl) == ret);
exit:
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
void ssl_set_hostname_twice(char *input_hostname0, char *input_hostname1)
{
const char *output_hostname;
mbedtls_ssl_context ssl;
mbedtls_ssl_init(&ssl);
USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, input_hostname0) == 0);
output_hostname = mbedtls_ssl_get_hostname(&ssl);
TEST_ASSERT(strcmp(input_hostname0, output_hostname) == 0);
TEST_ASSERT(mbedtls_ssl_set_hostname(&ssl, input_hostname1) == 0);
output_hostname = mbedtls_ssl_get_hostname(&ssl);
TEST_ASSERT(strcmp(input_hostname1, output_hostname) == 0);
exit:
mbedtls_ssl_free(&ssl);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_crypt_record(int cipher_type, int hash_id,
int etm, int tag_mode, int ver,
int cid0_len, int cid1_len)
{
/*
* Test several record encryptions and decryptions
* with plenty of space before and after the data
* within the record buffer.
*/
int ret;
int num_records = 16;
mbedtls_ssl_context ssl; /* ONLY for debugging */
mbedtls_ssl_transform t0, t1;
unsigned char *buf = NULL;
size_t const buflen = 512;
mbedtls_record rec, rec_backup;
mbedtls_ssl_init(&ssl);
mbedtls_ssl_transform_init(&t0);
mbedtls_ssl_transform_init(&t1);
MD_OR_USE_PSA_INIT();
ret = mbedtls_test_ssl_build_transforms(&t0, &t1, cipher_type, hash_id,
etm, tag_mode, ver,
(size_t) cid0_len,
(size_t) cid1_len);
TEST_ASSERT(ret == 0);
TEST_CALLOC(buf, buflen);
while (num_records-- > 0) {
mbedtls_ssl_transform *t_dec, *t_enc;
/* Take turns in who's sending and who's receiving. */
if (num_records % 3 == 0) {
t_dec = &t0;
t_enc = &t1;
} else {
t_dec = &t1;
t_enc = &t0;
}
/*
* The record header affects the transformation in two ways:
* 1) It determines the AEAD additional data
* 2) The record counter sometimes determines the IV.
*
* Apart from that, the fields don't have influence.
* In particular, it is currently not the responsibility
* of ssl_encrypt/decrypt_buf to check if the transform
* version matches the record version, or that the
* type is sensible.
*/
memset(rec.ctr, num_records, sizeof(rec.ctr));
rec.type = 42;
rec.ver[0] = num_records;
rec.ver[1] = num_records;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
rec.cid_len = 0;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
rec.buf = buf;
rec.buf_len = buflen;
rec.data_offset = 16;
/* Make sure to vary the length to exercise different
* paddings. */
rec.data_len = 1 + num_records;
memset(rec.buf + rec.data_offset, 42, rec.data_len);
/* Make a copy for later comparison */
rec_backup = rec;
/* Encrypt record */
ret = mbedtls_ssl_encrypt_buf(&ssl, t_enc, &rec,
mbedtls_test_rnd_std_rand, NULL);
TEST_ASSERT(ret == 0 || ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
if (ret != 0) {
continue;
}
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
if (rec.cid_len != 0) {
/* DTLS 1.2 + CID hides the real content type and
* uses a special CID content type in the protected
* record. Double-check this. */
TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_CID);
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
if (t_enc->tls_version == MBEDTLS_SSL_VERSION_TLS1_3) {
/* TLS 1.3 hides the real content type and
* always uses Application Data as the content type
* for protected records. Double-check this. */
TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA);
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
/* Decrypt record with t_dec */
ret = mbedtls_ssl_decrypt_buf(&ssl, t_dec, &rec);
TEST_ASSERT(ret == 0);
/* Compare results */
TEST_ASSERT(rec.type == rec_backup.type);
TEST_ASSERT(memcmp(rec.ctr, rec_backup.ctr, 8) == 0);
TEST_ASSERT(rec.ver[0] == rec_backup.ver[0]);
TEST_ASSERT(rec.ver[1] == rec_backup.ver[1]);
TEST_ASSERT(rec.data_len == rec_backup.data_len);
TEST_ASSERT(rec.data_offset == rec_backup.data_offset);
TEST_ASSERT(memcmp(rec.buf + rec.data_offset,
rec_backup.buf + rec_backup.data_offset,
rec.data_len) == 0);
}
exit:
/* Cleanup */
mbedtls_ssl_free(&ssl);
mbedtls_ssl_transform_free(&t0);
mbedtls_ssl_transform_free(&t1);
mbedtls_free(buf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_crypt_record_small(int cipher_type, int hash_id,
int etm, int tag_mode, int ver,
int cid0_len, int cid1_len)
{
/*
* Test pairs of encryption and decryption with an increasing
* amount of space in the record buffer - in more detail:
* 1) Try to encrypt with 0, 1, 2, ... bytes available
* in front of the plaintext, and expect the encryption
* to succeed starting from some offset. Always keep
* enough space in the end of the buffer.
* 2) Try to encrypt with 0, 1, 2, ... bytes available
* at the end of the plaintext, and expect the encryption
* to succeed starting from some offset. Always keep
* enough space at the beginning of the buffer.
* 3) Try to encrypt with 0, 1, 2, ... bytes available
* both at the front and end of the plaintext,
* and expect the encryption to succeed starting from
* some offset.
*
* If encryption succeeds, check that decryption succeeds
* and yields the original record.
*/
mbedtls_ssl_context ssl; /* ONLY for debugging */
mbedtls_ssl_transform t0, t1;
unsigned char *buf = NULL;
size_t const buflen = 256;
mbedtls_record rec, rec_backup;
int ret;
int mode; /* Mode 1, 2 or 3 as explained above */
size_t offset; /* Available space at beginning/end/both */
size_t threshold = 96; /* Maximum offset to test against */
size_t default_pre_padding = 64; /* Pre-padding to use in mode 2 */
size_t default_post_padding = 128; /* Post-padding to use in mode 1 */
int seen_success; /* Indicates if in the current mode we've
* already seen a successful test. */
mbedtls_ssl_init(&ssl);
mbedtls_ssl_transform_init(&t0);
mbedtls_ssl_transform_init(&t1);
MD_OR_USE_PSA_INIT();
ret = mbedtls_test_ssl_build_transforms(&t0, &t1, cipher_type, hash_id,
etm, tag_mode, ver,
(size_t) cid0_len,
(size_t) cid1_len);
TEST_ASSERT(ret == 0);
TEST_CALLOC(buf, buflen);
for (mode = 1; mode <= 3; mode++) {
seen_success = 0;
for (offset = 0; offset <= threshold; offset++) {
mbedtls_ssl_transform *t_dec, *t_enc;
t_dec = &t0;
t_enc = &t1;
memset(rec.ctr, offset, sizeof(rec.ctr));
rec.type = 42;
rec.ver[0] = offset;
rec.ver[1] = offset;
rec.buf = buf;
rec.buf_len = buflen;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
rec.cid_len = 0;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
switch (mode) {
case 1: /* Space in the beginning */
rec.data_offset = offset;
rec.data_len = buflen - offset - default_post_padding;
break;
case 2: /* Space in the end */
rec.data_offset = default_pre_padding;
rec.data_len = buflen - default_pre_padding - offset;
break;
case 3: /* Space in the beginning and end */
rec.data_offset = offset;
rec.data_len = buflen - 2 * offset;
break;
default:
TEST_ASSERT(0);
break;
}
memset(rec.buf + rec.data_offset, 42, rec.data_len);
/* Make a copy for later comparison */
rec_backup = rec;
/* Encrypt record */
ret = mbedtls_ssl_encrypt_buf(&ssl, t_enc, &rec,
mbedtls_test_rnd_std_rand, NULL);
if (ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
/* It's ok if the output buffer is too small. We do insist
* on at least one mode succeeding; this is tracked by
* seen_success. */
continue;
}
TEST_EQUAL(ret, 0);
seen_success = 1;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
if (rec.cid_len != 0) {
/* DTLS 1.2 + CID hides the real content type and
* uses a special CID content type in the protected
* record. Double-check this. */
TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_CID);
}
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
if (t_enc->tls_version == MBEDTLS_SSL_VERSION_TLS1_3) {
/* TLS 1.3 hides the real content type and
* always uses Application Data as the content type
* for protected records. Double-check this. */
TEST_ASSERT(rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA);
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
/* Decrypt record with t_dec */
TEST_ASSERT(mbedtls_ssl_decrypt_buf(&ssl, t_dec, &rec) == 0);
/* Compare results */
TEST_ASSERT(rec.type == rec_backup.type);
TEST_ASSERT(memcmp(rec.ctr, rec_backup.ctr, 8) == 0);
TEST_ASSERT(rec.ver[0] == rec_backup.ver[0]);
TEST_ASSERT(rec.ver[1] == rec_backup.ver[1]);
TEST_ASSERT(rec.data_len == rec_backup.data_len);
TEST_ASSERT(rec.data_offset == rec_backup.data_offset);
TEST_ASSERT(memcmp(rec.buf + rec.data_offset,
rec_backup.buf + rec_backup.data_offset,
rec.data_len) == 0);
}
TEST_ASSERT(seen_success == 1);
}
exit:
/* Cleanup */
mbedtls_ssl_free(&ssl);
mbedtls_ssl_transform_free(&t0);
mbedtls_ssl_transform_free(&t1);
mbedtls_free(buf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_hkdf_expand_label(int hash_alg,
data_t *secret,
int label_idx,
data_t *ctx,
int desired_length,
data_t *expected)
{
unsigned char dst[100];
unsigned char const *lbl = NULL;
size_t lbl_len;
#define MBEDTLS_SSL_TLS1_3_LABEL(name, string) \
if (label_idx == (int) tls13_label_ ## name) \
{ \
lbl = mbedtls_ssl_tls13_labels.name; \
lbl_len = sizeof(mbedtls_ssl_tls13_labels.name); \
}
MBEDTLS_SSL_TLS1_3_LABEL_LIST
#undef MBEDTLS_SSL_TLS1_3_LABEL
TEST_ASSERT(lbl != NULL);
/* Check sanity of test parameters. */
TEST_ASSERT((size_t) desired_length <= sizeof(dst));
TEST_ASSERT((size_t) desired_length == expected->len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_hkdf_expand_label(
(psa_algorithm_t) hash_alg,
secret->x, secret->len,
lbl, lbl_len,
ctx->x, ctx->len,
dst, desired_length) == 0);
TEST_MEMORY_COMPARE(dst, (size_t) desired_length,
expected->x, (size_t) expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_traffic_key_generation(int hash_alg,
data_t *server_secret,
data_t *client_secret,
int desired_iv_len,
int desired_key_len,
data_t *expected_server_write_key,
data_t *expected_server_write_iv,
data_t *expected_client_write_key,
data_t *expected_client_write_iv)
{
mbedtls_ssl_key_set keys;
/* Check sanity of test parameters. */
TEST_ASSERT(client_secret->len == server_secret->len);
TEST_ASSERT(
expected_client_write_iv->len == expected_server_write_iv->len &&
expected_client_write_iv->len == (size_t) desired_iv_len);
TEST_ASSERT(
expected_client_write_key->len == expected_server_write_key->len &&
expected_client_write_key->len == (size_t) desired_key_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_make_traffic_keys(
(psa_algorithm_t) hash_alg,
client_secret->x,
server_secret->x,
client_secret->len /* == server_secret->len */,
desired_key_len, desired_iv_len,
&keys) == 0);
TEST_MEMORY_COMPARE(keys.client_write_key,
keys.key_len,
expected_client_write_key->x,
(size_t) desired_key_len);
TEST_MEMORY_COMPARE(keys.server_write_key,
keys.key_len,
expected_server_write_key->x,
(size_t) desired_key_len);
TEST_MEMORY_COMPARE(keys.client_write_iv,
keys.iv_len,
expected_client_write_iv->x,
(size_t) desired_iv_len);
TEST_MEMORY_COMPARE(keys.server_write_iv,
keys.iv_len,
expected_server_write_iv->x,
(size_t) desired_iv_len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_derive_secret(int hash_alg,
data_t *secret,
int label_idx,
data_t *ctx,
int desired_length,
int already_hashed,
data_t *expected)
{
unsigned char dst[100];
unsigned char const *lbl = NULL;
size_t lbl_len;
#define MBEDTLS_SSL_TLS1_3_LABEL(name, string) \
if (label_idx == (int) tls13_label_ ## name) \
{ \
lbl = mbedtls_ssl_tls13_labels.name; \
lbl_len = sizeof(mbedtls_ssl_tls13_labels.name); \
}
MBEDTLS_SSL_TLS1_3_LABEL_LIST
#undef MBEDTLS_SSL_TLS1_3_LABEL
TEST_ASSERT(lbl != NULL);
/* Check sanity of test parameters. */
TEST_ASSERT((size_t) desired_length <= sizeof(dst));
TEST_ASSERT((size_t) desired_length == expected->len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_derive_secret(
(psa_algorithm_t) hash_alg,
secret->x, secret->len,
lbl, lbl_len,
ctx->x, ctx->len,
already_hashed,
dst, desired_length) == 0);
TEST_MEMORY_COMPARE(dst, desired_length,
expected->x, desired_length);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_derive_early_secrets(int hash_alg,
data_t *secret,
data_t *transcript,
data_t *traffic_expected,
data_t *exporter_expected)
{
mbedtls_ssl_tls13_early_secrets secrets;
/* Double-check that we've passed sane parameters. */
psa_algorithm_t alg = (psa_algorithm_t) hash_alg;
size_t const hash_len = PSA_HASH_LENGTH(alg);
TEST_ASSERT(PSA_ALG_IS_HASH(alg) &&
secret->len == hash_len &&
transcript->len == hash_len &&
traffic_expected->len == hash_len &&
exporter_expected->len == hash_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_derive_early_secrets(
alg, secret->x, transcript->x, transcript->len,
&secrets) == 0);
TEST_MEMORY_COMPARE(secrets.client_early_traffic_secret, hash_len,
traffic_expected->x, traffic_expected->len);
TEST_MEMORY_COMPARE(secrets.early_exporter_master_secret, hash_len,
exporter_expected->x, exporter_expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_derive_handshake_secrets(int hash_alg,
data_t *secret,
data_t *transcript,
data_t *client_expected,
data_t *server_expected)
{
mbedtls_ssl_tls13_handshake_secrets secrets;
/* Double-check that we've passed sane parameters. */
psa_algorithm_t alg = (psa_algorithm_t) hash_alg;
size_t const hash_len = PSA_HASH_LENGTH(alg);
TEST_ASSERT(PSA_ALG_IS_HASH(alg) &&
secret->len == hash_len &&
transcript->len == hash_len &&
client_expected->len == hash_len &&
server_expected->len == hash_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_derive_handshake_secrets(
alg, secret->x, transcript->x, transcript->len,
&secrets) == 0);
TEST_MEMORY_COMPARE(secrets.client_handshake_traffic_secret, hash_len,
client_expected->x, client_expected->len);
TEST_MEMORY_COMPARE(secrets.server_handshake_traffic_secret, hash_len,
server_expected->x, server_expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_derive_application_secrets(int hash_alg,
data_t *secret,
data_t *transcript,
data_t *client_expected,
data_t *server_expected,
data_t *exporter_expected)
{
mbedtls_ssl_tls13_application_secrets secrets;
/* Double-check that we've passed sane parameters. */
psa_algorithm_t alg = (psa_algorithm_t) hash_alg;
size_t const hash_len = PSA_HASH_LENGTH(alg);
TEST_ASSERT(PSA_ALG_IS_HASH(alg) &&
secret->len == hash_len &&
transcript->len == hash_len &&
client_expected->len == hash_len &&
server_expected->len == hash_len &&
exporter_expected->len == hash_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_derive_application_secrets(
alg, secret->x, transcript->x, transcript->len,
&secrets) == 0);
TEST_MEMORY_COMPARE(secrets.client_application_traffic_secret_N, hash_len,
client_expected->x, client_expected->len);
TEST_MEMORY_COMPARE(secrets.server_application_traffic_secret_N, hash_len,
server_expected->x, server_expected->len);
TEST_MEMORY_COMPARE(secrets.exporter_master_secret, hash_len,
exporter_expected->x, exporter_expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_derive_resumption_secrets(int hash_alg,
data_t *secret,
data_t *transcript,
data_t *resumption_expected)
{
mbedtls_ssl_tls13_application_secrets secrets;
/* Double-check that we've passed sane parameters. */
psa_algorithm_t alg = (psa_algorithm_t) hash_alg;
size_t const hash_len = PSA_HASH_LENGTH(alg);
TEST_ASSERT(PSA_ALG_IS_HASH(alg) &&
secret->len == hash_len &&
transcript->len == hash_len &&
resumption_expected->len == hash_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_derive_resumption_master_secret(
alg, secret->x, transcript->x, transcript->len,
&secrets) == 0);
TEST_MEMORY_COMPARE(secrets.resumption_master_secret, hash_len,
resumption_expected->x, resumption_expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_create_psk_binder(int hash_alg,
data_t *psk,
int psk_type,
data_t *transcript,
data_t *binder_expected)
{
unsigned char binder[MBEDTLS_MD_MAX_SIZE];
/* Double-check that we've passed sane parameters. */
psa_algorithm_t alg = (psa_algorithm_t) hash_alg;
size_t const hash_len = PSA_HASH_LENGTH(alg);
TEST_ASSERT(PSA_ALG_IS_HASH(alg) &&
transcript->len == hash_len &&
binder_expected->len == hash_len);
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_create_psk_binder(
NULL, /* SSL context for debugging only */
alg,
psk->x, psk->len,
psk_type,
transcript->x,
binder) == 0);
TEST_MEMORY_COMPARE(binder, hash_len,
binder_expected->x, binder_expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_record_protection(int ciphersuite,
int endpoint,
int ctr,
int padding_used,
data_t *server_write_key,
data_t *server_write_iv,
data_t *client_write_key,
data_t *client_write_iv,
data_t *plaintext,
data_t *ciphertext)
{
mbedtls_ssl_key_set keys;
mbedtls_ssl_transform transform_send;
mbedtls_ssl_transform_init(&transform_send);
mbedtls_ssl_transform transform_recv;
mbedtls_ssl_transform_init(&transform_recv);
mbedtls_record rec;
unsigned char *buf = NULL;
size_t buf_len;
int other_endpoint;
TEST_ASSERT(endpoint == MBEDTLS_SSL_IS_CLIENT ||
endpoint == MBEDTLS_SSL_IS_SERVER);
if (endpoint == MBEDTLS_SSL_IS_SERVER) {
other_endpoint = MBEDTLS_SSL_IS_CLIENT;
}
if (endpoint == MBEDTLS_SSL_IS_CLIENT) {
other_endpoint = MBEDTLS_SSL_IS_SERVER;
}
TEST_ASSERT(server_write_key->len == client_write_key->len);
TEST_ASSERT(server_write_iv->len == client_write_iv->len);
memcpy(keys.client_write_key,
client_write_key->x, client_write_key->len);
memcpy(keys.client_write_iv,
client_write_iv->x, client_write_iv->len);
memcpy(keys.server_write_key,
server_write_key->x, server_write_key->len);
memcpy(keys.server_write_iv,
server_write_iv->x, server_write_iv->len);
keys.key_len = server_write_key->len;
keys.iv_len = server_write_iv->len;
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_populate_transform(
&transform_send, endpoint,
ciphersuite, &keys, NULL) == 0);
TEST_ASSERT(mbedtls_ssl_tls13_populate_transform(
&transform_recv, other_endpoint,
ciphersuite, &keys, NULL) == 0);
/* Make sure we have enough space in the buffer even if
* we use more padding than the KAT. */
buf_len = ciphertext->len + MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY;
TEST_CALLOC(buf, buf_len);
rec.type = MBEDTLS_SSL_MSG_APPLICATION_DATA;
/* TLS 1.3 uses the version identifier from TLS 1.2 on the wire. */
mbedtls_ssl_write_version(rec.ver,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_VERSION_TLS1_2);
/* Copy plaintext into record structure */
rec.buf = buf;
rec.buf_len = buf_len;
rec.data_offset = 0;
TEST_ASSERT(plaintext->len <= ciphertext->len);
memcpy(rec.buf + rec.data_offset, plaintext->x, plaintext->len);
rec.data_len = plaintext->len;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
rec.cid_len = 0;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
memset(&rec.ctr[0], 0, 8);
rec.ctr[7] = ctr;
TEST_ASSERT(mbedtls_ssl_encrypt_buf(NULL, &transform_send, &rec,
NULL, NULL) == 0);
if (padding_used == MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY) {
TEST_MEMORY_COMPARE(rec.buf + rec.data_offset, rec.data_len,
ciphertext->x, ciphertext->len);
}
TEST_ASSERT(mbedtls_ssl_decrypt_buf(NULL, &transform_recv, &rec) == 0);
TEST_MEMORY_COMPARE(rec.buf + rec.data_offset, rec.data_len,
plaintext->x, plaintext->len);
exit:
mbedtls_free(buf);
mbedtls_ssl_transform_free(&transform_send);
mbedtls_ssl_transform_free(&transform_recv);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3 */
void ssl_tls13_key_evolution(int hash_alg,
data_t *secret,
data_t *input,
data_t *expected)
{
unsigned char secret_new[MBEDTLS_MD_MAX_SIZE];
PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls13_evolve_secret(
(psa_algorithm_t) hash_alg,
secret->len ? secret->x : NULL,
input->len ? input->x : NULL, input->len,
secret_new) == 0);
TEST_MEMORY_COMPARE(secret_new, (size_t) expected->len,
expected->x, (size_t) expected->len);
exit:
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_2 */
void ssl_tls_prf(int type, data_t *secret, data_t *random,
char *label, data_t *result_str, int exp_ret)
{
unsigned char *output;
output = mbedtls_calloc(1, result_str->len);
if (output == NULL) {
goto exit;
}
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_tls_prf(type, secret->x, secret->len,
label, random->x, random->len,
output, result_str->len) == exp_ret);
if (exp_ret == 0) {
TEST_ASSERT(mbedtls_test_hexcmp(output, result_str->x,
result_str->len, result_str->len) == 0);
}
exit:
mbedtls_free(output);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_serialize_session_save_load(int ticket_len, char *crt_file,
int endpoint_type, int tls_version)
{
mbedtls_ssl_session original, restored;
unsigned char *buf = NULL;
size_t len;
/*
* Test that a save-load pair is the identity
*/
mbedtls_ssl_session_init(&original);
mbedtls_ssl_session_init(&restored);
USE_PSA_INIT();
/* Prepare a dummy session to work on */
((void) tls_version);
((void) ticket_len);
((void) crt_file);
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) {
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&original, 0, endpoint_type) == 0);
}
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) {
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&original, ticket_len, endpoint_type, crt_file) == 0);
}
#endif
/* Serialize it */
TEST_ASSERT(mbedtls_ssl_session_save(&original, NULL, 0, &len)
== MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
TEST_CALLOC(buf, len);
TEST_ASSERT(mbedtls_ssl_session_save(&original, buf, len, &len)
== 0);
/* Restore session from serialized data */
TEST_ASSERT(mbedtls_ssl_session_load(&restored, buf, len) == 0);
/*
* Make sure both session structures are identical
*/
#if defined(MBEDTLS_HAVE_TIME)
if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) {
TEST_ASSERT(original.start == restored.start);
}
#if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_SRV_C)
TEST_ASSERT(original.ticket_creation_time == restored.ticket_creation_time);
#endif
#endif /* MBEDTLS_HAVE_TIME */
TEST_ASSERT(original.tls_version == restored.tls_version);
TEST_ASSERT(original.endpoint == restored.endpoint);
TEST_ASSERT(original.ciphersuite == restored.ciphersuite);
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
if (tls_version == MBEDTLS_SSL_VERSION_TLS1_2) {
TEST_ASSERT(original.id_len == restored.id_len);
TEST_ASSERT(memcmp(original.id,
restored.id, sizeof(original.id)) == 0);
TEST_ASSERT(memcmp(original.master,
restored.master, sizeof(original.master)) == 0);
#if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
TEST_ASSERT((original.peer_cert == NULL) ==
(restored.peer_cert == NULL));
if (original.peer_cert != NULL) {
TEST_ASSERT(original.peer_cert->raw.len ==
restored.peer_cert->raw.len);
TEST_ASSERT(memcmp(original.peer_cert->raw.p,
restored.peer_cert->raw.p,
original.peer_cert->raw.len) == 0);
}
#else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
TEST_ASSERT(original.peer_cert_digest_type ==
restored.peer_cert_digest_type);
TEST_ASSERT(original.peer_cert_digest_len ==
restored.peer_cert_digest_len);
TEST_ASSERT((original.peer_cert_digest == NULL) ==
(restored.peer_cert_digest == NULL));
if (original.peer_cert_digest != NULL) {
TEST_ASSERT(memcmp(original.peer_cert_digest,
restored.peer_cert_digest,
original.peer_cert_digest_len) == 0);
}
#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
#endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
TEST_ASSERT(original.verify_result == restored.verify_result);
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
TEST_ASSERT(original.mfl_code == restored.mfl_code);
#endif
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
TEST_ASSERT(original.encrypt_then_mac == restored.encrypt_then_mac);
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
TEST_ASSERT(original.ticket_len == restored.ticket_len);
if (original.ticket_len != 0) {
TEST_ASSERT(original.ticket != NULL);
TEST_ASSERT(restored.ticket != NULL);
TEST_ASSERT(memcmp(original.ticket,
restored.ticket, original.ticket_len) == 0);
}
TEST_ASSERT(original.ticket_lifetime == restored.ticket_lifetime);
#endif
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
if (tls_version == MBEDTLS_SSL_VERSION_TLS1_3) {
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
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);
}
#endif /* MBEDTLS_SSL_SESSION_TICKETS */
#if defined(MBEDTLS_SSL_SRV_C)
if (endpoint_type == MBEDTLS_SSL_IS_SERVER) {
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
#if defined(MBEDTLS_SSL_EARLY_DATA) && defined(MBEDTLS_SSL_ALPN)
TEST_ASSERT(original.ticket_alpn != NULL);
TEST_ASSERT(restored.ticket_alpn != NULL);
TEST_MEMORY_COMPARE(original.ticket_alpn, strlen(original.ticket_alpn),
restored.ticket_alpn, strlen(restored.ticket_alpn));
#endif
#endif /* MBEDTLS_SSL_SESSION_TICKETS */
}
#endif /* MBEDTLS_SSL_SRV_C */
#if defined(MBEDTLS_SSL_CLI_C)
if (endpoint_type == MBEDTLS_SSL_IS_CLIENT) {
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
#if defined(MBEDTLS_HAVE_TIME)
TEST_ASSERT(original.ticket_reception_time == restored.ticket_reception_time);
#endif
TEST_ASSERT(original.ticket_lifetime == restored.ticket_lifetime);
TEST_ASSERT(original.ticket_len == restored.ticket_len);
if (original.ticket_len != 0) {
TEST_ASSERT(original.ticket != NULL);
TEST_ASSERT(restored.ticket != NULL);
TEST_ASSERT(memcmp(original.ticket,
restored.ticket,
original.ticket_len) == 0);
}
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
TEST_ASSERT(original.hostname != NULL);
TEST_ASSERT(restored.hostname != NULL);
TEST_MEMORY_COMPARE(original.hostname, strlen(original.hostname),
restored.hostname, strlen(restored.hostname));
#endif
#endif /* MBEDTLS_SSL_SESSION_TICKETS */
}
#endif /* MBEDTLS_SSL_CLI_C */
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
#if defined(MBEDTLS_SSL_EARLY_DATA)
TEST_ASSERT(
original.max_early_data_size == restored.max_early_data_size);
#endif
#if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT)
TEST_ASSERT(original.record_size_limit == restored.record_size_limit);
#endif
exit:
mbedtls_ssl_session_free(&original);
mbedtls_ssl_session_free(&restored);
mbedtls_free(buf);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_serialize_session_load_save(int ticket_len, char *crt_file,
int endpoint_type, int tls_version)
{
mbedtls_ssl_session session;
unsigned char *buf1 = NULL, *buf2 = NULL;
size_t len0, len1, len2;
/*
* Test that a load-save pair is the identity
*/
mbedtls_ssl_session_init(&session);
USE_PSA_INIT();
/* Prepare a dummy session to work on */
((void) ticket_len);
((void) crt_file);
switch (tls_version) {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
case MBEDTLS_SSL_VERSION_TLS1_3:
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&session, 0, endpoint_type) == 0);
break;
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
case MBEDTLS_SSL_VERSION_TLS1_2:
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&session, ticket_len, endpoint_type, crt_file) == 0);
break;
#endif
default:
/* should never happen */
TEST_ASSERT(0);
break;
}
/* Get desired buffer size for serializing */
TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &len0)
== MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
/* Allocate first buffer */
buf1 = mbedtls_calloc(1, len0);
TEST_ASSERT(buf1 != NULL);
/* Serialize to buffer and free live session */
TEST_ASSERT(mbedtls_ssl_session_save(&session, buf1, len0, &len1)
== 0);
TEST_ASSERT(len0 == len1);
mbedtls_ssl_session_free(&session);
/* Restore session from serialized data */
TEST_ASSERT(mbedtls_ssl_session_load(&session, buf1, len1) == 0);
/* Allocate second buffer and serialize to it */
buf2 = mbedtls_calloc(1, len0);
TEST_ASSERT(buf2 != NULL);
TEST_ASSERT(mbedtls_ssl_session_save(&session, buf2, len0, &len2)
== 0);
/* Make sure both serialized versions are identical */
TEST_ASSERT(len1 == len2);
TEST_ASSERT(memcmp(buf1, buf2, len1) == 0);
exit:
mbedtls_ssl_session_free(&session);
mbedtls_free(buf1);
mbedtls_free(buf2);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_serialize_session_save_buf_size(int ticket_len, char *crt_file,
int endpoint_type, int tls_version)
{
mbedtls_ssl_session session;
unsigned char *buf = NULL;
size_t good_len, bad_len, test_len;
/*
* Test that session_save() fails cleanly on small buffers
*/
mbedtls_ssl_session_init(&session);
USE_PSA_INIT();
/* Prepare dummy session and get serialized size */
((void) ticket_len);
((void) crt_file);
switch (tls_version) {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
case MBEDTLS_SSL_VERSION_TLS1_3:
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&session, 0, endpoint_type) == 0);
break;
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
case MBEDTLS_SSL_VERSION_TLS1_2:
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&session, ticket_len, endpoint_type, crt_file) == 0);
break;
#endif
default:
/* should never happen */
TEST_ASSERT(0);
break;
}
TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &good_len)
== MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
/* Try all possible bad lengths */
for (bad_len = 1; bad_len < good_len; bad_len++) {
/* Allocate exact size so that asan/valgrind can detect any overwrite */
mbedtls_free(buf);
buf = NULL;
TEST_CALLOC(buf, bad_len);
TEST_ASSERT(mbedtls_ssl_session_save(&session, buf, bad_len,
&test_len)
== MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
TEST_ASSERT(test_len == good_len);
}
exit:
mbedtls_ssl_session_free(&session);
mbedtls_free(buf);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_serialize_session_load_buf_size(int ticket_len, char *crt_file,
int endpoint_type, int tls_version)
{
mbedtls_ssl_session session;
unsigned char *good_buf = NULL, *bad_buf = NULL;
size_t good_len, bad_len;
/*
* Test that session_load() fails cleanly on small buffers
*/
mbedtls_ssl_session_init(&session);
USE_PSA_INIT();
/* Prepare serialized session data */
((void) ticket_len);
((void) crt_file);
switch (tls_version) {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
case MBEDTLS_SSL_VERSION_TLS1_3:
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&session, 0, endpoint_type) == 0);
break;
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
case MBEDTLS_SSL_VERSION_TLS1_2:
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&session, ticket_len, endpoint_type, crt_file) == 0);
break;
#endif
default:
/* should never happen */
TEST_ASSERT(0);
break;
}
TEST_ASSERT(mbedtls_ssl_session_save(&session, NULL, 0, &good_len)
== MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL);
TEST_CALLOC(good_buf, good_len);
TEST_ASSERT(mbedtls_ssl_session_save(&session, good_buf, good_len,
&good_len) == 0);
mbedtls_ssl_session_free(&session);
/* Try all possible bad lengths */
for (bad_len = 0; bad_len < good_len; bad_len++) {
/* Allocate exact size so that asan/valgrind can detect any overread */
mbedtls_free(bad_buf);
bad_buf = NULL;
TEST_CALLOC_NONNULL(bad_buf, bad_len);
memcpy(bad_buf, good_buf, bad_len);
TEST_ASSERT(mbedtls_ssl_session_load(&session, bad_buf, bad_len)
== MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
}
exit:
mbedtls_ssl_session_free(&session);
mbedtls_free(good_buf);
mbedtls_free(bad_buf);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_session_serialize_version_check(int corrupt_major,
int corrupt_minor,
int corrupt_patch,
int corrupt_config,
int endpoint_type,
int tls_version)
{
unsigned char serialized_session[2048];
size_t serialized_session_len;
unsigned cur_byte;
mbedtls_ssl_session session;
uint8_t should_corrupt_byte[] = { corrupt_major == 1,
corrupt_minor == 1,
corrupt_patch == 1,
corrupt_config == 1,
corrupt_config == 1 };
mbedtls_ssl_session_init(&session);
USE_PSA_INIT();
switch (tls_version) {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
case MBEDTLS_SSL_VERSION_TLS1_3:
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&session, 0, endpoint_type) == 0);
break;
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
case MBEDTLS_SSL_VERSION_TLS1_2:
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&session, 0, endpoint_type, NULL) == 0);
break;
#endif
default:
/* should never happen */
TEST_ASSERT(0);
break;
}
/* Infer length of serialized session. */
TEST_ASSERT(mbedtls_ssl_session_save(&session,
serialized_session,
sizeof(serialized_session),
&serialized_session_len) == 0);
mbedtls_ssl_session_free(&session);
/* Without any modification, we should be able to successfully
* de-serialize the session - double-check that. */
TEST_ASSERT(mbedtls_ssl_session_load(&session,
serialized_session,
serialized_session_len) == 0);
mbedtls_ssl_session_free(&session);
/* Go through the bytes in the serialized session header and
* corrupt them bit-by-bit. */
for (cur_byte = 0; cur_byte < sizeof(should_corrupt_byte); cur_byte++) {
int cur_bit;
unsigned char *const byte = &serialized_session[cur_byte];
if (should_corrupt_byte[cur_byte] == 0) {
continue;
}
for (cur_bit = 0; cur_bit < CHAR_BIT; cur_bit++) {
unsigned char const corrupted_bit = 0x1u << cur_bit;
/* Modify a single bit in the serialized session. */
*byte ^= corrupted_bit;
/* Attempt to deserialize */
TEST_ASSERT(mbedtls_ssl_session_load(&session,
serialized_session,
serialized_session_len) ==
MBEDTLS_ERR_SSL_VERSION_MISMATCH);
/* Undo the change */
*byte ^= corrupted_bit;
}
}
exit:
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void ssl_session_id_accessors_check(int tls_version)
{
mbedtls_ssl_session session;
int ciphersuite_id;
const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
mbedtls_ssl_session_init(&session);
USE_PSA_INIT();
switch (tls_version) {
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
case MBEDTLS_SSL_VERSION_TLS1_3:
ciphersuite_id = MBEDTLS_TLS1_3_AES_128_GCM_SHA256;
TEST_ASSERT(mbedtls_test_ssl_tls13_populate_session(
&session, 0, MBEDTLS_SSL_IS_SERVER) == 0);
break;
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
case MBEDTLS_SSL_VERSION_TLS1_2:
ciphersuite_id = MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256;
TEST_ASSERT(mbedtls_test_ssl_tls12_populate_session(
&session, 0, MBEDTLS_SSL_IS_SERVER, NULL) == 0);
break;
#endif
default:
/* should never happen */
TEST_ASSERT(0);
break;
}
TEST_ASSERT(*mbedtls_ssl_session_get_id(&session) == session.id);
TEST_ASSERT(mbedtls_ssl_session_get_id_len(&session) == session.id_len);
/* mbedtls_test_ssl_tls1x_populate_session sets a mock suite-id of 0xabcd */
TEST_ASSERT(mbedtls_ssl_session_get_ciphersuite_id(&session) == 0xabcd);
/* Test setting a reference id for tls1.3 and tls1.2 */
ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(ciphersuite_id);
if (ciphersuite_info != NULL) {
TEST_ASSERT(mbedtls_ssl_ciphersuite_get_id(ciphersuite_info) == ciphersuite_id);
}
exit:
mbedtls_ssl_session_free(&session);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:PSA_WANT_ALG_SHA_256 */
void mbedtls_endpoint_sanity(int endpoint_type)
{
enum { BUFFSIZE = 1024 };
mbedtls_test_ssl_endpoint ep;
int ret = -1;
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.pk_alg = MBEDTLS_PK_RSA;
MD_OR_USE_PSA_INIT();
ret = mbedtls_test_ssl_endpoint_init(NULL, endpoint_type, &options,
NULL, NULL, NULL);
TEST_ASSERT(MBEDTLS_ERR_SSL_BAD_INPUT_DATA == ret);
ret = mbedtls_test_ssl_endpoint_certificate_init(NULL, options.pk_alg,
0, 0, 0);
TEST_ASSERT(MBEDTLS_ERR_SSL_BAD_INPUT_DATA == ret);
ret = mbedtls_test_ssl_endpoint_init(&ep, endpoint_type, &options,
NULL, NULL, NULL);
TEST_ASSERT(ret == 0);
exit:
mbedtls_test_ssl_endpoint_free(&ep, NULL);
mbedtls_test_free_handshake_options(&options);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PKCS1_V15:PSA_WANT_ALG_SHA_256:MBEDTLS_PK_HAVE_ECC_KEYS */
void move_handshake_to_state(int endpoint_type, int tls_version, int state, int need_pass)
{
enum { BUFFSIZE = 1024 };
mbedtls_test_ssl_endpoint base_ep, second_ep;
int ret = -1;
(void) tls_version;
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.pk_alg = MBEDTLS_PK_RSA;
/*
* If both TLS 1.2 and 1.3 are enabled and we want to do a TLS 1.2
* handshake, force the TLS 1.2 version on endpoint under test.
*/
#if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
if (MBEDTLS_SSL_VERSION_TLS1_2 == tls_version) {
if (MBEDTLS_SSL_IS_CLIENT == endpoint_type) {
options.client_min_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.client_max_version = MBEDTLS_SSL_VERSION_TLS1_2;
} else {
options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2;
}
}
#endif
MD_OR_USE_PSA_INIT();
mbedtls_platform_zeroize(&base_ep, sizeof(base_ep));
mbedtls_platform_zeroize(&second_ep, sizeof(second_ep));
ret = mbedtls_test_ssl_endpoint_init(&base_ep, endpoint_type, &options,
NULL, NULL, NULL);
TEST_ASSERT(ret == 0);
ret = mbedtls_test_ssl_endpoint_init(
&second_ep,
(endpoint_type == MBEDTLS_SSL_IS_SERVER) ?
MBEDTLS_SSL_IS_CLIENT : MBEDTLS_SSL_IS_SERVER,
&options, NULL, NULL, NULL);
TEST_ASSERT(ret == 0);
ret = mbedtls_test_mock_socket_connect(&(base_ep.socket),
&(second_ep.socket),
BUFFSIZE);
TEST_ASSERT(ret == 0);
ret = mbedtls_test_move_handshake_to_state(&(base_ep.ssl),
&(second_ep.ssl),
state);
if (need_pass) {
TEST_ASSERT(ret == 0 ||
ret == MBEDTLS_ERR_SSL_WANT_READ ||
ret == MBEDTLS_ERR_SSL_WANT_WRITE);
TEST_ASSERT(base_ep.ssl.state == state);
} else {
TEST_ASSERT(ret != 0 &&
ret != MBEDTLS_ERR_SSL_WANT_READ &&
ret != MBEDTLS_ERR_SSL_WANT_WRITE);
TEST_ASSERT(base_ep.ssl.state != state);
}
exit:
mbedtls_test_free_handshake_options(&options);
mbedtls_test_ssl_endpoint_free(&base_ep, NULL);
mbedtls_test_ssl_endpoint_free(&second_ep, NULL);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:PSA_WANT_ALG_SHA_256:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void handshake_version(int dtls, int client_min_version, int client_max_version,
int server_min_version, int server_max_version,
int expected_negotiated_version)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.client_min_version = client_min_version;
options.client_max_version = client_max_version;
options.server_min_version = server_min_version;
options.server_max_version = server_max_version;
options.expected_negotiated_version = expected_negotiated_version;
options.dtls = dtls;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:PSA_WANT_ALG_SHA_256 */
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:PSA_WANT_ALG_SHA_256 */
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:PSA_WANT_ALG_SHA_256 */
void handshake_ciphersuite_select(char *cipher, int pk_alg, data_t *psk_str,
int psa_alg, int psa_alg2, int psa_usage,
int expected_handshake_result,
int expected_ciphersuite)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.cipher = cipher;
options.psk_str = psk_str;
options.pk_alg = pk_alg;
options.opaque_alg = psa_alg;
options.opaque_alg2 = psa_alg2;
options.opaque_usage = psa_usage;
options.expected_handshake_result = expected_handshake_result;
options.expected_ciphersuite = expected_ciphersuite;
options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:PSA_WANT_ALG_SHA_256 */
void app_data(int mfl, int cli_msg_len, int srv_msg_len,
int expected_cli_fragments,
int expected_srv_fragments, int dtls)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.mfl = mfl;
options.cli_msg_len = cli_msg_len;
options.srv_msg_len = srv_msg_len;
options.expected_cli_fragments = expected_cli_fragments;
options.expected_srv_fragments = expected_srv_fragments;
options.dtls = dtls;
options.client_min_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.client_max_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:PSA_WANT_ALG_SHA_256:MBEDTLS_PK_HAVE_ECC_KEYS:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void app_data_tls(int mfl, int cli_msg_len, int srv_msg_len,
int expected_cli_fragments,
int expected_srv_fragments)
{
test_app_data(mfl, cli_msg_len, srv_msg_len, expected_cli_fragments,
expected_srv_fragments, 0);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:PSA_WANT_ALG_SHA_256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void app_data_dtls(int mfl, int cli_msg_len, int srv_msg_len,
int expected_cli_fragments,
int expected_srv_fragments)
{
test_app_data(mfl, cli_msg_len, srv_msg_len, expected_cli_fragments,
expected_srv_fragments, 1);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION:PSA_WANT_ALG_SHA_256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void handshake_serialization()
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.serialize = 1;
options.dtls = 1;
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SSL_HAVE_AES:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_SSL_HAVE_CBC:PSA_WANT_ALG_SHA_256:MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
void handshake_fragmentation(int mfl,
int expected_srv_hs_fragmentation,
int expected_cli_hs_fragmentation)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_ssl_log_pattern srv_pattern, cli_pattern;
srv_pattern.pattern = cli_pattern.pattern = "found fragmented DTLS handshake";
srv_pattern.counter = 0;
cli_pattern.counter = 0;
mbedtls_test_init_handshake_options(&options);
options.dtls = 1;
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
options.mfl = mfl;
/* Set cipher to one using CBC so that record splitting can be tested */
options.cipher = "TLS-DHE-RSA-WITH-AES-256-CBC-SHA256";
options.srv_auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED;
options.srv_log_obj = &srv_pattern;
options.cli_log_obj = &cli_pattern;
options.srv_log_fun = mbedtls_test_ssl_log_analyzer;
options.cli_log_fun = mbedtls_test_ssl_log_analyzer;
mbedtls_test_ssl_perform_handshake(&options);
/* Test if the server received a fragmented handshake */
if (expected_srv_hs_fragmentation) {
TEST_ASSERT(srv_pattern.counter >= 1);
}
/* Test if the client received a fragmented handshake */
if (expected_cli_hs_fragmentation) {
TEST_ASSERT(cli_pattern.counter >= 1);
}
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:PSA_WANT_ALG_SHA_256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void renegotiation(int legacy_renegotiation)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.renegotiate = 1;
options.legacy_renegotiation = legacy_renegotiation;
options.dtls = 1;
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:PSA_WANT_ALG_SHA_256 */
void resize_buffers(int mfl, int renegotiation, int legacy_renegotiation,
int serialize, int dtls, char *cipher)
{
mbedtls_test_handshake_test_options options;
mbedtls_test_init_handshake_options(&options);
options.mfl = mfl;
options.cipher = cipher;
options.renegotiate = renegotiation;
options.legacy_renegotiation = legacy_renegotiation;
options.serialize = serialize;
options.dtls = dtls;
if (dtls) {
options.expected_negotiated_version = MBEDTLS_SSL_VERSION_TLS1_2;
}
options.resize_buffers = 1;
mbedtls_test_ssl_perform_handshake(&options);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
exit:
mbedtls_test_free_handshake_options(&options);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_SSL_PROTO_DTLS:PSA_WANT_ALG_SHA_256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void resize_buffers_serialize_mfl(int mfl)
{
test_resize_buffers(mfl, 0, MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION, 1, 1,
(char *) "");
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:PSA_WANT_ALG_SHA_256:MBEDTLS_CAN_HANDLE_RSA_TEST_KEY */
void resize_buffers_renegotiate_mfl(int mfl, int legacy_renegotiation,
char *cipher)
{
test_resize_buffers(mfl, 1, legacy_renegotiation, 0, 1, cipher);
/* The goto below is used to avoid an "unused label" warning.*/
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
void test_multiple_psks()
{
unsigned char psk0[10] = { 0 };
unsigned char psk0_identity[] = { 'f', 'o', 'o' };
unsigned char psk1[10] = { 0 };
unsigned char psk1_identity[] = { 'b', 'a', 'r' };
mbedtls_ssl_config conf;
mbedtls_ssl_config_init(&conf);
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_conf_psk(&conf,
psk0, sizeof(psk0),
psk0_identity, sizeof(psk0_identity)) == 0);
TEST_ASSERT(mbedtls_ssl_conf_psk(&conf,
psk1, sizeof(psk1),
psk1_identity, sizeof(psk1_identity)) ==
MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE);
exit:
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED:MBEDTLS_USE_PSA_CRYPTO */
void test_multiple_psks_opaque(int mode)
{
/*
* Mode 0: Raw PSK, then opaque PSK
* Mode 1: Opaque PSK, then raw PSK
* Mode 2: 2x opaque PSK
*/
unsigned char psk0_raw[10] = { 0 };
unsigned char psk0_raw_identity[] = { 'f', 'o', 'o' };
mbedtls_svc_key_id_t psk0_opaque = mbedtls_svc_key_id_make(0x1, (psa_key_id_t) 1);
unsigned char psk0_opaque_identity[] = { 'f', 'o', 'o' };
unsigned char psk1_raw[10] = { 0 };
unsigned char psk1_raw_identity[] = { 'b', 'a', 'r' };
mbedtls_svc_key_id_t psk1_opaque = mbedtls_svc_key_id_make(0x1, (psa_key_id_t) 2);
unsigned char psk1_opaque_identity[] = { 'b', 'a', 'r' };
mbedtls_ssl_config conf;
mbedtls_ssl_config_init(&conf);
MD_OR_USE_PSA_INIT();
switch (mode) {
case 0:
TEST_ASSERT(mbedtls_ssl_conf_psk(&conf,
psk0_raw, sizeof(psk0_raw),
psk0_raw_identity, sizeof(psk0_raw_identity))
== 0);
TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf,
psk1_opaque,
psk1_opaque_identity,
sizeof(psk1_opaque_identity))
== MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE);
break;
case 1:
TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf,
psk0_opaque,
psk0_opaque_identity,
sizeof(psk0_opaque_identity))
== 0);
TEST_ASSERT(mbedtls_ssl_conf_psk(&conf,
psk1_raw, sizeof(psk1_raw),
psk1_raw_identity, sizeof(psk1_raw_identity))
== MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE);
break;
case 2:
TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf,
psk0_opaque,
psk0_opaque_identity,
sizeof(psk0_opaque_identity))
== 0);
TEST_ASSERT(mbedtls_ssl_conf_psk_opaque(&conf,
psk1_opaque,
psk1_opaque_identity,
sizeof(psk1_opaque_identity))
== MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE);
break;
default:
TEST_ASSERT(0);
break;
}
exit:
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void conf_version(int endpoint, int transport,
int min_tls_version, int max_tls_version,
int expected_ssl_setup_result)
{
mbedtls_ssl_config conf;
mbedtls_ssl_context ssl;
mbedtls_ssl_config_init(&conf);
mbedtls_ssl_init(&ssl);
MD_OR_USE_PSA_INIT();
mbedtls_ssl_conf_endpoint(&conf, endpoint);
mbedtls_ssl_conf_transport(&conf, transport);
mbedtls_ssl_conf_min_tls_version(&conf, min_tls_version);
mbedtls_ssl_conf_max_tls_version(&conf, max_tls_version);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == expected_ssl_setup_result);
TEST_EQUAL(mbedtls_ssl_conf_get_endpoint(
mbedtls_ssl_context_get_config(&ssl)), endpoint);
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
exit:
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_ECP_C:!MBEDTLS_DEPRECATED_REMOVED:!MBEDTLS_DEPRECATED_WARNING:PSA_WANT_ECC_SECP_R1_192:PSA_WANT_ECC_SECP_R1_224:MBEDTLS_ECP_HAVE_SECP256R1 */
void conf_curve()
{
mbedtls_ecp_group_id curve_list[] = { MBEDTLS_ECP_DP_SECP192R1,
MBEDTLS_ECP_DP_SECP224R1,
MBEDTLS_ECP_DP_SECP256R1,
MBEDTLS_ECP_DP_NONE };
uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP192R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP224R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE };
mbedtls_ssl_config conf;
mbedtls_ssl_config_init(&conf);
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2);
mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2);
#else
mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_3);
mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_3);
#endif
mbedtls_ssl_conf_curves(&conf, curve_list);
mbedtls_ssl_context ssl;
mbedtls_ssl_init(&ssl);
MD_OR_USE_PSA_INIT();
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0);
TEST_ASSERT(ssl.handshake != NULL && ssl.handshake->group_list != NULL);
TEST_ASSERT(ssl.conf != NULL && ssl.conf->group_list == NULL);
TEST_EQUAL(ssl.handshake->
group_list[ARRAY_LENGTH(iana_tls_group_list) - 1],
MBEDTLS_SSL_IANA_TLS_GROUP_NONE);
for (size_t i = 0; i < ARRAY_LENGTH(iana_tls_group_list); i++) {
TEST_EQUAL(iana_tls_group_list[i], ssl.handshake->group_list[i]);
}
exit:
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_DEPRECATED_REMOVED */
void conf_group()
{
uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP192R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP224R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE };
mbedtls_ssl_config conf;
mbedtls_ssl_config_init(&conf);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
mbedtls_ssl_conf_max_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2);
mbedtls_ssl_conf_min_tls_version(&conf, MBEDTLS_SSL_VERSION_TLS1_2);
mbedtls_ssl_conf_groups(&conf, iana_tls_group_list);
mbedtls_ssl_context ssl;
mbedtls_ssl_init(&ssl);
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0);
TEST_ASSERT(ssl.conf != NULL && ssl.conf->group_list != NULL);
TEST_EQUAL(ssl.conf->
group_list[ARRAY_LENGTH(iana_tls_group_list) - 1],
MBEDTLS_SSL_IANA_TLS_GROUP_NONE);
for (size_t i = 0; i < ARRAY_LENGTH(iana_tls_group_list); i++) {
TEST_EQUAL(iana_tls_group_list[i], ssl.conf->group_list[i]);
}
exit:
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_CACHE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_DEBUG_C:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PKCS1_V15:PSA_WANT_ALG_SHA_256 */
void force_bad_session_id_len()
{
enum { BUFFSIZE = 1024 };
mbedtls_test_handshake_test_options options;
mbedtls_test_ssl_endpoint client, server;
mbedtls_test_ssl_log_pattern srv_pattern, cli_pattern;
mbedtls_test_message_socket_context server_context, client_context;
srv_pattern.pattern = cli_pattern.pattern = "cache did not store session";
srv_pattern.counter = 0;
mbedtls_test_init_handshake_options(&options);
options.srv_log_obj = &srv_pattern;
options.srv_log_fun = mbedtls_test_ssl_log_analyzer;
mbedtls_platform_zeroize(&client, sizeof(client));
mbedtls_platform_zeroize(&server, sizeof(server));
mbedtls_test_message_socket_init(&server_context);
mbedtls_test_message_socket_init(&client_context);
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_test_ssl_endpoint_init(&client, MBEDTLS_SSL_IS_CLIENT,
&options, NULL, NULL,
NULL) == 0);
TEST_ASSERT(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER,
&options, NULL, NULL, NULL) == 0);
mbedtls_debug_set_threshold(1);
mbedtls_ssl_conf_dbg(&server.conf, options.srv_log_fun,
options.srv_log_obj);
TEST_ASSERT(mbedtls_test_mock_socket_connect(&(client.socket),
&(server.socket),
BUFFSIZE) == 0);
TEST_ASSERT(mbedtls_test_move_handshake_to_state(
&(client.ssl), &(server.ssl), MBEDTLS_SSL_HANDSHAKE_WRAPUP)
== 0);
/* Force a bad session_id_len that will be read by the server in
* mbedtls_ssl_cache_set. */
server.ssl.session_negotiate->id_len = 33;
if (options.cli_msg_len != 0 || options.srv_msg_len != 0) {
/* Start data exchanging test */
TEST_ASSERT(mbedtls_test_ssl_exchange_data(
&(client.ssl), options.cli_msg_len,
options.expected_cli_fragments,
&(server.ssl), options.srv_msg_len,
options.expected_srv_fragments)
== 0);
}
/* Make sure that the cache did not store the session */
TEST_EQUAL(srv_pattern.counter, 1);
exit:
mbedtls_test_ssl_endpoint_free(&client, NULL);
mbedtls_test_ssl_endpoint_free(&server, NULL);
mbedtls_test_free_handshake_options(&options);
mbedtls_debug_set_threshold(0);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE:MBEDTLS_TEST_HOOKS */
void cookie_parsing(data_t *cookie, int exp_ret)
{
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
size_t len;
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
USE_PSA_INIT();
TEST_EQUAL(mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
MBEDTLS_SSL_TRANSPORT_DATAGRAM,
MBEDTLS_SSL_PRESET_DEFAULT),
0);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_EQUAL(mbedtls_ssl_setup(&ssl, &conf), 0);
TEST_EQUAL(mbedtls_ssl_check_dtls_clihlo_cookie(&ssl, ssl.cli_id,
ssl.cli_id_len,
cookie->x, cookie->len,
ssl.out_buf,
MBEDTLS_SSL_OUT_CONTENT_LEN,
&len),
exp_ret);
exit:
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TIMING_C:MBEDTLS_HAVE_TIME */
void timing_final_delay_accessor()
{
mbedtls_timing_delay_context delay_context;
USE_PSA_INIT();
mbedtls_timing_set_delay(&delay_context, 50, 100);
TEST_ASSERT(mbedtls_timing_get_final_delay(&delay_context) == 100);
exit:
USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID */
void cid_sanity()
{
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
unsigned char own_cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
unsigned char test_cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
int cid_enabled;
size_t own_cid_len;
mbedtls_test_rnd_std_rand(NULL, own_cid, sizeof(own_cid));
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
MD_OR_USE_PSA_INIT();
TEST_ASSERT(mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT)
== 0);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_ASSERT(mbedtls_ssl_setup(&ssl, &conf) == 0);
/* Can't use CID functions with stream transport. */
TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid,
sizeof(own_cid))
== MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid,
&own_cid_len)
== MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
TEST_ASSERT(mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_DATAGRAM,
MBEDTLS_SSL_PRESET_DEFAULT)
== 0);
/* Attempt to set config cid size too big. */
TEST_ASSERT(mbedtls_ssl_conf_cid(&conf, MBEDTLS_SSL_CID_IN_LEN_MAX + 1,
MBEDTLS_SSL_UNEXPECTED_CID_IGNORE)
== MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
TEST_ASSERT(mbedtls_ssl_conf_cid(&conf, sizeof(own_cid),
MBEDTLS_SSL_UNEXPECTED_CID_IGNORE)
== 0);
/* Attempt to set CID length not matching config. */
TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid,
MBEDTLS_SSL_CID_IN_LEN_MAX - 1)
== MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_ENABLED, own_cid,
sizeof(own_cid))
== 0);
/* Test we get back what we put in. */
TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid,
&own_cid_len)
== 0);
TEST_EQUAL(cid_enabled, MBEDTLS_SSL_CID_ENABLED);
TEST_MEMORY_COMPARE(own_cid, own_cid_len, test_cid, own_cid_len);
/* Test disabling works. */
TEST_ASSERT(mbedtls_ssl_set_cid(&ssl, MBEDTLS_SSL_CID_DISABLED, NULL,
0)
== 0);
TEST_ASSERT(mbedtls_ssl_get_own_cid(&ssl, &cid_enabled, test_cid,
&own_cid_len)
== 0);
TEST_EQUAL(cid_enabled, MBEDTLS_SSL_CID_DISABLED);
exit:
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_RSA_C:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_SOME */
void raw_key_agreement_fail(int bad_server_ecdhe_key)
{
enum { BUFFSIZE = 17000 };
mbedtls_test_ssl_endpoint client, server;
mbedtls_psa_stats_t stats;
size_t free_slots_before = -1;
mbedtls_test_handshake_test_options client_options, server_options;
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
uint16_t iana_tls_group_list[] = { MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE };
MD_OR_USE_PSA_INIT();
mbedtls_platform_zeroize(&client, sizeof(client));
mbedtls_platform_zeroize(&server, sizeof(server));
/* Client side, force SECP256R1 to make one key bitflip fail
* the raw key agreement. Flipping the first byte makes the
* required 0x04 identifier invalid. */
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.group_list = iana_tls_group_list;
TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&client, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL,
NULL), 0);
/* Server side */
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.server_min_version = MBEDTLS_SSL_VERSION_TLS1_2;
server_options.server_max_version = MBEDTLS_SSL_VERSION_TLS1_2;
TEST_EQUAL(mbedtls_test_ssl_endpoint_init(&server, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL,
NULL), 0);
TEST_EQUAL(mbedtls_test_mock_socket_connect(&(client.socket),
&(server.socket),
BUFFSIZE), 0);
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client.ssl), &(server.ssl),
MBEDTLS_SSL_CLIENT_KEY_EXCHANGE), 0);
mbedtls_psa_get_stats(&stats);
/* Save the number of slots in use up to this point.
* With PSA, one can be used for the ECDH private key. */
free_slots_before = stats.empty_slots;
if (bad_server_ecdhe_key) {
/* Force a simulated bitflip in the server key. to make the
* raw key agreement in ssl_write_client_key_exchange fail. */
(client.ssl).handshake->xxdh_psa_peerkey[0] ^= 0x02;
}
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client.ssl), &(server.ssl), MBEDTLS_SSL_HANDSHAKE_OVER),
bad_server_ecdhe_key ? MBEDTLS_ERR_SSL_HW_ACCEL_FAILED : 0);
mbedtls_psa_get_stats(&stats);
/* Make sure that the key slot is already destroyed in case of failure,
* without waiting to close the connection. */
if (bad_server_ecdhe_key) {
TEST_EQUAL(free_slots_before, stats.empty_slots);
}
exit:
mbedtls_test_ssl_endpoint_free(&client, NULL);
mbedtls_test_ssl_endpoint_free(&server, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_TEST_HOOKS:MBEDTLS_SSL_PROTO_TLS1_3:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED:MBEDTLS_ECP_HAVE_SECP384R1 */
void tls13_server_certificate_msg_invalid_vector_len()
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
unsigned char *buf, *end;
size_t buf_len;
int step = 0;
int expected_result;
mbedtls_ssl_chk_buf_ptr_args expected_chk_buf_ptr_args;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
/*
* Test set-up
*/
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
MD_OR_USE_PSA_INIT();
client_options.pk_alg = MBEDTLS_PK_ECDSA;
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_test_init_handshake_options(&server_options);
server_options.pk_alg = MBEDTLS_PK_ECDSA;
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
while (1) {
mbedtls_test_set_step(++step);
ret = mbedtls_test_move_handshake_to_state(
&(server_ep.ssl), &(client_ep.ssl),
MBEDTLS_SSL_CERTIFICATE_VERIFY);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_flush_output(&(server_ep.ssl));
TEST_EQUAL(ret, 0);
ret = mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_SERVER_CERTIFICATE);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_tls13_fetch_handshake_msg(&(client_ep.ssl),
MBEDTLS_SSL_HS_CERTIFICATE,
&buf, &buf_len);
TEST_EQUAL(ret, 0);
end = buf + buf_len;
/*
* Tweak server Certificate message and parse it.
*/
ret = mbedtls_test_tweak_tls13_certificate_msg_vector_len(
buf, &end, step, &expected_result, &expected_chk_buf_ptr_args);
if (ret != 0) {
break;
}
ret = mbedtls_ssl_tls13_parse_certificate(&(client_ep.ssl), buf, end);
TEST_EQUAL(ret, expected_result);
TEST_ASSERT(mbedtls_ssl_cmp_chk_buf_ptr_fail_args(
&expected_chk_buf_ptr_args) == 0);
mbedtls_ssl_reset_chk_buf_ptr_fail_args();
ret = mbedtls_ssl_session_reset(&(client_ep.ssl));
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_session_reset(&(server_ep.ssl));
TEST_EQUAL(ret, 0);
}
exit:
mbedtls_ssl_reset_chk_buf_ptr_fail_args();
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
void ssl_ecjpake_set_password(int use_opaque_arg)
{
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
#if defined(MBEDTLS_USE_PSA_CRYPTO)
mbedtls_svc_key_id_t pwd_slot = MBEDTLS_SVC_KEY_ID_INIT;
#else /* MBEDTLS_USE_PSA_CRYPTO */
(void) use_opaque_arg;
#endif /* MBEDTLS_USE_PSA_CRYPTO */
unsigned char pwd_string[sizeof(ECJPAKE_TEST_PWD)] = "";
size_t pwd_len = 0;
int ret;
mbedtls_ssl_init(&ssl);
MD_OR_USE_PSA_INIT();
/* test with uninitalized SSL context */
ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
mbedtls_ssl_config_init(&conf);
TEST_EQUAL(mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
MBEDTLS_SSL_PRESET_DEFAULT), 0);
mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
TEST_EQUAL(mbedtls_ssl_setup(&ssl, &conf), 0);
/* test with empty password or unitialized password key (depending on use_opaque_arg) */
ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
pwd_len = strlen(ECJPAKE_TEST_PWD);
memcpy(pwd_string, ECJPAKE_TEST_PWD, pwd_len);
#if defined(MBEDTLS_USE_PSA_CRYPTO)
if (use_opaque_arg) {
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT;
/* First try with an invalid usage */
psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE);
psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
PSA_ASSERT(psa_import_key(&attributes, pwd_string,
pwd_len, &pwd_slot));
ECJPAKE_TEST_SET_PASSWORD(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED);
/* check that the opaque key is still valid after failure */
TEST_EQUAL(psa_get_key_attributes(pwd_slot, &check_attributes),
PSA_SUCCESS);
psa_destroy_key(pwd_slot);
/* Then set the correct usage */
psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
PSA_ASSERT(psa_import_key(&attributes, pwd_string,
pwd_len, &pwd_slot));
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
/* final check which should work without errors */
ECJPAKE_TEST_SET_PASSWORD(0);
#if defined(MBEDTLS_USE_PSA_CRYPTO)
if (use_opaque_arg) {
psa_destroy_key(pwd_slot);
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
mbedtls_ssl_free(&ssl);
mbedtls_ssl_config_free(&conf);
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void elliptic_curve_get_properties()
{
psa_key_type_t psa_type = PSA_KEY_TYPE_NONE;
size_t psa_bits;
MD_OR_USE_PSA_INIT();
#if defined(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(PSA_WANT_ECC_BRAINPOOL_P_R1_512)
TEST_AVAILABLE_ECC(28, MBEDTLS_ECP_DP_BP512R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 512);
#else
TEST_UNAVAILABLE_ECC(28, MBEDTLS_ECP_DP_BP512R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 512);
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP384R1) || defined(PSA_WANT_ECC_SECP_R1_384)
TEST_AVAILABLE_ECC(24, MBEDTLS_ECP_DP_SECP384R1, PSA_ECC_FAMILY_SECP_R1, 384);
#else
TEST_UNAVAILABLE_ECC(24, MBEDTLS_ECP_DP_SECP384R1, PSA_ECC_FAMILY_SECP_R1, 384);
#endif
#if defined(PSA_WANT_ECC_BRAINPOOL_P_R1_384)
TEST_AVAILABLE_ECC(27, MBEDTLS_ECP_DP_BP384R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 384);
#else
TEST_UNAVAILABLE_ECC(27, MBEDTLS_ECP_DP_BP384R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1, 384);
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP256R1) || defined(PSA_WANT_ECC_SECP_R1_256)
TEST_AVAILABLE_ECC(23, MBEDTLS_ECP_DP_SECP256R1, PSA_ECC_FAMILY_SECP_R1, 256);
#else
TEST_UNAVAILABLE_ECC(23, MBEDTLS_ECP_DP_SECP256R1, PSA_ECC_FAMILY_SECP_R1, 256);
#endif
#if defined(PSA_WANT_ECC_SECP_K1_256) || 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(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(PSA_WANT_ECC_SECP_R1_224)
TEST_AVAILABLE_ECC(21, MBEDTLS_ECP_DP_SECP224R1, PSA_ECC_FAMILY_SECP_R1, 224);
#else
TEST_UNAVAILABLE_ECC(21, MBEDTLS_ECP_DP_SECP224R1, PSA_ECC_FAMILY_SECP_R1, 224);
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP224K1) || defined(PSA_WANT_ECC_SECP_K1_224)
TEST_AVAILABLE_ECC(20, MBEDTLS_ECP_DP_SECP224K1, PSA_ECC_FAMILY_SECP_K1, 224);
#else
TEST_UNAVAILABLE_ECC(20, MBEDTLS_ECP_DP_SECP224K1, PSA_ECC_FAMILY_SECP_K1, 224);
#endif
#if defined(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(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(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(PSA_WANT_ECC_MONTGOMERY_448)
TEST_AVAILABLE_ECC(30, MBEDTLS_ECP_DP_CURVE448, PSA_ECC_FAMILY_MONTGOMERY, 448);
#else
TEST_UNAVAILABLE_ECC(30, MBEDTLS_ECP_DP_CURVE448, PSA_ECC_FAMILY_MONTGOMERY, 448);
#endif
goto exit;
exit:
MD_OR_USE_PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_resume_session_with_ticket()
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
/*
* Handshake with ticket.
*
* Run the handshake up to MBEDTLS_SSL_HANDSHAKE_WRAPUP and not
* MBEDTLS_SSL_HANDSHAKE_OVER to preserve handshake data for the checks
* below.
*/
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(server_ep.ssl), &(client_ep.ssl),
MBEDTLS_SSL_HANDSHAKE_WRAPUP), 0);
TEST_EQUAL(server_ep.ssl.handshake->resume, 1);
TEST_EQUAL(server_ep.ssl.handshake->new_session_tickets_count, 1);
TEST_EQUAL(server_ep.ssl.handshake->key_exchange_mode,
MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL);
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
PSA_DONE();
}
/* END_CASE */
/*
* The !MBEDTLS_SSL_PROTO_TLS1_2 dependency of tls13_read_early_data() below is
* a temporary workaround to not run the test in Windows-2013 where there is
* an issue with mbedtls_vsnprintf().
*/
/* BEGIN_CASE depends_on:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_read_early_data(int scenario)
{
int ret = -1;
unsigned char buf[64];
const char *early_data = "This is early data.";
size_t early_data_len = strlen(early_data);
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
mbedtls_test_ssl_log_pattern server_pattern = { NULL, 0 };
uint16_t group_list[3] = {
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE
};
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.group_list = group_list;
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.group_list = group_list;
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
#if defined(MBEDTLS_SSL_ALPN)
switch (scenario) {
case TEST_EARLY_DATA_SAME_ALPN:
case TEST_EARLY_DATA_DIFF_ALPN:
case TEST_EARLY_DATA_NO_LATER_ALPN:
client_options.alpn_list[0] = "ALPNExample";
client_options.alpn_list[1] = NULL;
server_options.alpn_list[0] = "ALPNExample";
server_options.alpn_list[1] = NULL;
break;
}
#endif
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_SERVER_REJECTS:
mbedtls_debug_set_threshold(3);
server_pattern.pattern =
"EarlyData: deprotect and discard app data records.";
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_HRR:
mbedtls_debug_set_threshold(3);
server_pattern.pattern =
"EarlyData: Ignore application message before 2nd ClientHello";
server_options.group_list = group_list + 1;
break;
#if defined(MBEDTLS_SSL_ALPN)
case TEST_EARLY_DATA_SAME_ALPN:
client_options.alpn_list[0] = "ALPNExample";
client_options.alpn_list[1] = NULL;
server_options.alpn_list[0] = "ALPNExample";
server_options.alpn_list[1] = NULL;
break;
case TEST_EARLY_DATA_DIFF_ALPN:
case TEST_EARLY_DATA_NO_INITIAL_ALPN:
client_options.alpn_list[0] = "ALPNExample2";
client_options.alpn_list[1] = NULL;
server_options.alpn_list[0] = "ALPNExample2";
server_options.alpn_list[1] = NULL;
mbedtls_debug_set_threshold(3);
server_pattern.pattern =
"EarlyData: rejected, the selected ALPN is different "
"from the one associated with the pre-shared key.";
break;
case TEST_EARLY_DATA_NO_LATER_ALPN:
client_options.alpn_list[0] = NULL;
server_options.alpn_list[0] = NULL;
mbedtls_debug_set_threshold(3);
server_pattern.pattern =
"EarlyData: rejected, the selected ALPN is different "
"from the one associated with the pre-shared key.";
break;
#endif
default:
TEST_FAIL("Unknown scenario.");
}
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
server_options.srv_log_fun = mbedtls_test_ssl_log_analyzer;
server_options.srv_log_obj = &server_pattern;
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
/*
* Handshake with ticket and send early data.
*/
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_SERVER_HELLO), 0);
ret = mbedtls_ssl_write_early_data(&(client_ep.ssl),
(unsigned char *) early_data,
early_data_len);
if (client_ep.ssl.early_data_state !=
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT) {
TEST_EQUAL(ret, early_data_len);
} else {
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
}
ret = mbedtls_test_move_handshake_to_state(
&(server_ep.ssl), &(client_ep.ssl),
MBEDTLS_SSL_HANDSHAKE_WRAPUP);
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
#if defined(MBEDTLS_SSL_ALPN)
case TEST_EARLY_DATA_SAME_ALPN:
#endif
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA);
TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 1);
TEST_EQUAL(mbedtls_ssl_read_early_data(&(server_ep.ssl),
buf, sizeof(buf)), early_data_len);
TEST_MEMORY_COMPARE(buf, early_data_len, early_data, early_data_len);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(ret, 0);
TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 0);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
#if defined(MBEDTLS_SSL_ALPN)
case TEST_EARLY_DATA_DIFF_ALPN:
case TEST_EARLY_DATA_NO_INITIAL_ALPN:
case TEST_EARLY_DATA_NO_LATER_ALPN:
#endif
TEST_EQUAL(ret, 0);
TEST_EQUAL(server_ep.ssl.handshake->early_data_accepted, 0);
TEST_EQUAL(server_pattern.counter, 1);
break;
default:
TEST_FAIL("Unknown scenario.");
}
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(server_ep.ssl), &(client_ep.ssl),
MBEDTLS_SSL_HANDSHAKE_OVER), 0);
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
mbedtls_debug_set_threshold(0);
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_cli_early_data_state(int scenario)
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
uint16_t group_list[3] = {
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE
};
uint8_t client_random[MBEDTLS_CLIENT_HELLO_RANDOM_LEN];
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
if (scenario == TEST_EARLY_DATA_HRR) {
client_options.group_list = group_list;
server_options.group_list = group_list;
}
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_SERVER_REJECTS:
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_HRR:
server_options.group_list = group_list + 1;
break;
default:
TEST_FAIL("Unknown scenario.");
}
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
/*
* Go through the handshake sequence, state by state, checking the early
* data status each time.
*/
do {
int state = client_ep.ssl.state;
/* Progress the handshake from at least one state */
while (client_ep.ssl.state == state) {
ret = mbedtls_ssl_handshake_step(&(client_ep.ssl));
TEST_ASSERT((ret == 0) ||
(ret == MBEDTLS_ERR_SSL_WANT_READ) ||
(ret == MBEDTLS_ERR_SSL_WANT_WRITE));
if (client_ep.ssl.state != state) {
break;
}
ret = mbedtls_ssl_handshake_step(&(server_ep.ssl));
TEST_ASSERT((ret == 0) ||
(ret == MBEDTLS_ERR_SSL_WANT_READ) ||
(ret == MBEDTLS_ERR_SSL_WANT_WRITE));
}
if (client_ep.ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER) {
TEST_EQUAL(mbedtls_ssl_get_early_data_status(&(client_ep.ssl)),
MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
}
switch (client_ep.ssl.state) {
case MBEDTLS_SSL_CLIENT_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_NO_INDICATION_SENT: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_IDLE);
break;
case TEST_EARLY_DATA_HRR:
if (!client_ep.ssl.handshake->hello_retry_request_flag) {
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_IDLE);
} else {
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
}
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_SERVER_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_HRR:
if (!client_ep.ssl.handshake->hello_retry_request_flag) {
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE);
memcpy(client_random,
client_ep.ssl.handshake->randbytes,
MBEDTLS_CLIENT_HELLO_RANDOM_LEN);
} else {
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
TEST_MEMORY_COMPARE(client_random,
MBEDTLS_CLIENT_HELLO_RANDOM_LEN,
client_ep.ssl.handshake->randbytes,
MBEDTLS_CLIENT_HELLO_RANDOM_LEN);
}
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_ENCRYPTED_EXTENSIONS:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_SERVER_FINISHED:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_ACCEPTED);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_END_OF_EARLY_DATA:
TEST_EQUAL(scenario, TEST_EARLY_DATA_ACCEPTED);
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED);
break;
case MBEDTLS_SSL_CLIENT_CERTIFICATE:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_CLIENT_FINISHED:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
#if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
case MBEDTLS_SSL_CLIENT_CCS_AFTER_CLIENT_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_IND_SENT);
break;
default:
TEST_FAIL("Unexpected or unknown scenario.");
}
break;
case MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO:
TEST_ASSERT(scenario == TEST_EARLY_DATA_HRR);
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
case MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED:
switch (scenario) {
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unexpected or unknown scenario.");
}
break;
#endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
case MBEDTLS_SSL_FLUSH_BUFFERS: /* Intentional fallthrough */
case MBEDTLS_SSL_HANDSHAKE_WRAPUP: /* Intentional fallthrough */
case MBEDTLS_SSL_HANDSHAKE_OVER:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_SERVER_FINISHED_RECEIVED);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
default:
TEST_FAIL("Unexpected state.");
}
} while (client_ep.ssl.state != MBEDTLS_SSL_HANDSHAKE_OVER);
ret = mbedtls_ssl_get_early_data_status(&(client_ep.ssl));
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_ACCEPTED);
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_NOT_INDICATED);
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(ret, MBEDTLS_SSL_EARLY_DATA_STATUS_REJECTED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
ret = mbedtls_ssl_get_early_data_status(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_BAD_INPUT_DATA);
#if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
TEST_EQUAL(client_ep.ssl.handshake->ccs_sent, 1);
#endif
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_write_early_data(int scenario)
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
uint16_t group_list[3] = {
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE
};
int beyond_first_hello = 0;
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
if (scenario == TEST_EARLY_DATA_HRR) {
client_options.group_list = group_list;
server_options.group_list = group_list;
}
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
break;
case TEST_EARLY_DATA_NO_INDICATION_SENT:
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_SERVER_REJECTS:
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
break;
case TEST_EARLY_DATA_HRR:
/*
* Remove server support for the group negotiated in
* mbedtls_test_get_tls13_ticket() forcing a HelloRetryRequest.
*/
server_options.group_list = group_list + 1;
break;
default:
TEST_FAIL("Unknown scenario.");
}
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
/*
* Run handshakes going one state further in the handshake sequence at each
* loop up to the point where we reach the MBEDTLS_SSL_HANDSHAKE_OVER
* state. For each reached handshake state, check the result of the call
* to mbedtls_ssl_write_early_data(), make sure we can complete the
* handshake successfully and then reset the connection to restart the
* handshake from scratch.
*/
do {
int client_state = client_ep.ssl.state;
int previous_client_state;
const char *early_data_string = "This is early data.";
const unsigned char *early_data = (const unsigned char *) early_data_string;
size_t early_data_len = strlen(early_data_string);
int write_early_data_ret, read_early_data_ret;
unsigned char read_buf[64];
write_early_data_ret = mbedtls_ssl_write_early_data(&(client_ep.ssl),
early_data,
early_data_len);
if (scenario == TEST_EARLY_DATA_NO_INDICATION_SENT) {
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, client_state);
goto complete_handshake;
}
switch (client_state) {
case MBEDTLS_SSL_HELLO_REQUEST: /* Intentional fallthrough */
case MBEDTLS_SSL_CLIENT_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
break;
case TEST_EARLY_DATA_HRR:
if (!client_ep.ssl.handshake->hello_retry_request_flag) {
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
} else {
beyond_first_hello = 1;
TEST_EQUAL(write_early_data_ret,
MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_CLIENT_HELLO);
}
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_SERVER_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
break;
case TEST_EARLY_DATA_HRR:
if (!client_ep.ssl.handshake->hello_retry_request_flag) {
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
} else {
TEST_EQUAL(write_early_data_ret,
MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
}
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_ENCRYPTED_EXTENSIONS:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS);
break;
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_SERVER_FINISHED:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED);
break;
case TEST_EARLY_DATA_SERVER_REJECTS:
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED);
break;
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_FINISHED);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_END_OF_EARLY_DATA:
TEST_EQUAL(scenario, TEST_EARLY_DATA_ACCEPTED);
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_END_OF_EARLY_DATA);
break;
#if defined(MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE)
case MBEDTLS_SSL_CLIENT_CCS_AFTER_CLIENT_HELLO:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(write_early_data_ret, early_data_len);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_SERVER_HELLO);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
case MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO:
TEST_EQUAL(scenario, TEST_EARLY_DATA_HRR);
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, MBEDTLS_SSL_CLIENT_CCS_BEFORE_2ND_CLIENT_HELLO);
break;
case MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED:
switch (scenario) {
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(write_early_data_ret,
MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state,
MBEDTLS_SSL_CLIENT_CCS_AFTER_SERVER_FINISHED);
break;
default:
TEST_FAIL("Unexpected or unknown scenario.");
}
break;
#endif /* MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE */
case MBEDTLS_SSL_CLIENT_CERTIFICATE: /* Intentional fallthrough */
case MBEDTLS_SSL_CLIENT_FINISHED: /* Intentional fallthrough */
case MBEDTLS_SSL_FLUSH_BUFFERS: /* Intentional fallthrough */
case MBEDTLS_SSL_HANDSHAKE_WRAPUP: /* Intentional fallthrough */
case MBEDTLS_SSL_HANDSHAKE_OVER:
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED: /* Intentional fallthrough */
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
TEST_EQUAL(write_early_data_ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.state, client_state);
break;
default:
TEST_FAIL("Unknown scenario.");
}
break;
default:
TEST_FAIL("Unexpected state.");
}
complete_handshake:
do {
ret = mbedtls_test_move_handshake_to_state(
&(server_ep.ssl), &(client_ep.ssl),
MBEDTLS_SSL_HANDSHAKE_OVER);
if (ret == MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA) {
read_early_data_ret = mbedtls_ssl_read_early_data(
&(server_ep.ssl), read_buf, sizeof(read_buf));
TEST_EQUAL(read_early_data_ret, early_data_len);
}
} while (ret == MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA);
TEST_EQUAL(ret, 0);
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_HANDSHAKE_OVER), 0);
mbedtls_test_mock_socket_close(&(client_ep.socket));
mbedtls_test_mock_socket_close(&(server_ep.socket));
ret = mbedtls_ssl_session_reset(&(client_ep.ssl));
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
ret = mbedtls_ssl_session_reset(&(server_ep.ssl));
TEST_EQUAL(ret, 0);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
previous_client_state = client_state;
if (previous_client_state == MBEDTLS_SSL_HANDSHAKE_OVER) {
break;
}
/* In case of HRR scenario, once we have been through it, move over
* the first ClientHello and ServerHello otherwise we just keep playing
* this first part of the handshake with HRR.
*/
if ((scenario == TEST_EARLY_DATA_HRR) && (beyond_first_hello)) {
TEST_ASSERT(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_SERVER_HELLO) == 0);
TEST_ASSERT(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_CLIENT_HELLO) == 0);
}
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
previous_client_state), 0);
/* Progress the handshake from at least one state */
while (client_ep.ssl.state == previous_client_state) {
ret = mbedtls_ssl_handshake_step(&(client_ep.ssl));
TEST_ASSERT((ret == 0) ||
(ret == MBEDTLS_ERR_SSL_WANT_READ) ||
(ret == MBEDTLS_ERR_SSL_WANT_WRITE));
if (client_ep.ssl.state != previous_client_state) {
break;
}
ret = mbedtls_ssl_handshake_step(&(server_ep.ssl));
TEST_ASSERT((ret == 0) ||
(ret == MBEDTLS_ERR_SSL_WANT_READ) ||
(ret == MBEDTLS_ERR_SSL_WANT_WRITE));
}
} while (1);
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_cli_max_early_data_size(int max_early_data_size_arg)
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
unsigned char *buf = NULL;
uint32_t buf_size = 64;
uint32_t max_early_data_size;
uint32_t written_early_data_size = 0;
uint32_t read_early_data_size = 0;
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
TEST_CALLOC(buf, buf_size);
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.max_early_data_size = max_early_data_size_arg;
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
max_early_data_size = saved_session.max_early_data_size;
/*
* (max_early_data_size + 1024) for the size of the socket buffers for the
* server one to be able to contain the maximum number of early data bytes
* plus the first flight of client messages. Needed because we cannot
* initiate the handshake on server side before doing all the calls to
* mbedtls_ssl_write_early_data() we want to test. See below for more
* information.
*/
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket),
max_early_data_size + 1024);
TEST_EQUAL(ret, 0);
/* If our server is configured with max_early_data_size equal to zero, it
* does not set the MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA flag for
* the tickets it creates. To be able to test early data with a ticket
* allowing early data in its flags but with max_early_data_size equal to
* zero (case supported by our client) tweak the ticket flags here.
*/
if (max_early_data_size == 0) {
saved_session.ticket_flags |= MBEDTLS_SSL_TLS1_3_TICKET_ALLOW_EARLY_DATA;
}
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
while (written_early_data_size < max_early_data_size) {
uint32_t remaining = max_early_data_size - written_early_data_size;
for (size_t i = 0; i < buf_size; i++) {
buf[i] = (unsigned char) (written_early_data_size + i);
}
ret = mbedtls_ssl_write_early_data(&(client_ep.ssl),
buf,
buf_size);
if (buf_size <= remaining) {
TEST_EQUAL(ret, buf_size);
} else {
TEST_EQUAL(ret, remaining);
}
written_early_data_size += buf_size;
}
TEST_EQUAL(client_ep.ssl.total_early_data_size, max_early_data_size);
ret = mbedtls_ssl_write_early_data(&(client_ep.ssl), buf, 1);
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA);
TEST_EQUAL(client_ep.ssl.total_early_data_size, max_early_data_size);
TEST_EQUAL(client_ep.ssl.early_data_state,
MBEDTLS_SSL_EARLY_DATA_STATE_CAN_WRITE);
/*
* Now, check data on server side. It is not done in the previous loop as
* in the first call to mbedtls_ssl_handshake(), the server ends up sending
* its Finished message and then in the following call to
* mbedtls_ssl_write_early_data() we go past the early data writing window
* and we cannot test multiple calls to the API is this writing window.
*/
while (read_early_data_size < max_early_data_size) {
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA);
ret = mbedtls_ssl_read_early_data(&(server_ep.ssl),
buf,
buf_size);
TEST_ASSERT(ret > 0);
for (size_t i = 0; i < (size_t) ret; i++) {
TEST_EQUAL(buf[i], (unsigned char) (read_early_data_size + i));
}
read_early_data_size += ret;
}
TEST_EQUAL(read_early_data_size, max_early_data_size);
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_WANT_READ);
TEST_ASSERT(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl), MBEDTLS_SSL_HANDSHAKE_OVER)
== 0);
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
mbedtls_free(buf);
PSA_DONE();
}
/* END_CASE */
/*
* The !MBEDTLS_SSL_PROTO_TLS1_2 dependency of tls13_early_data() below is
* a temporary workaround to not run the test in Windows-2013 where there is
* an issue with mbedtls_vsnprintf().
*/
/* BEGIN_CASE depends_on:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:PSA_WANT_ALG_SHA_256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg, int write_size_arg)
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
mbedtls_test_handshake_test_options client_options;
mbedtls_test_handshake_test_options server_options;
mbedtls_ssl_session saved_session;
mbedtls_test_ssl_log_pattern server_pattern = { NULL, 0 };
uint16_t group_list[3] = {
MBEDTLS_SSL_IANA_TLS_GROUP_SECP256R1,
MBEDTLS_SSL_IANA_TLS_GROUP_SECP384R1,
MBEDTLS_SSL_IANA_TLS_GROUP_NONE
};
char pattern[128];
unsigned char *buf_write = NULL;
uint32_t write_size = (uint32_t) write_size_arg;
unsigned char *buf_read = NULL;
uint32_t read_size;
uint32_t expanded_early_data_chunk_size = 0;
uint32_t written_early_data_size = 0;
uint32_t max_early_data_size;
mbedtls_platform_zeroize(&client_ep, sizeof(client_ep));
mbedtls_platform_zeroize(&server_ep, sizeof(server_ep));
mbedtls_test_init_handshake_options(&client_options);
mbedtls_test_init_handshake_options(&server_options);
mbedtls_ssl_session_init(&saved_session);
PSA_INIT();
TEST_CALLOC(buf_write, write_size);
/*
* Allocate a smaller buffer for early data reading to exercise the reading
* of data in one record in multiple calls.
*/
read_size = (write_size / 2) + 1;
TEST_CALLOC(buf_read, read_size);
/*
* Run first handshake to get a ticket from the server.
*/
client_options.pk_alg = MBEDTLS_PK_ECDSA;
client_options.group_list = group_list;
client_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.pk_alg = MBEDTLS_PK_ECDSA;
server_options.group_list = group_list;
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
server_options.max_early_data_size = max_early_data_size_arg;
ret = mbedtls_test_get_tls13_ticket(&client_options, &server_options,
&saved_session);
TEST_EQUAL(ret, 0);
/*
* Prepare for handshake with the ticket.
*/
server_options.srv_log_fun = mbedtls_test_ssl_log_analyzer;
server_options.srv_log_obj = &server_pattern;
server_pattern.pattern = pattern;
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
break;
case TEST_EARLY_DATA_SERVER_REJECTS:
server_options.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
ret = mbedtls_snprintf(pattern, sizeof(pattern),
"EarlyData: deprotect and discard app data records.");
TEST_ASSERT(ret < (int) sizeof(pattern));
mbedtls_debug_set_threshold(3);
break;
case TEST_EARLY_DATA_HRR:
/*
* Remove server support for the group negotiated in
* mbedtls_test_get_tls13_ticket() forcing an HelloRetryRequest.
*/
server_options.group_list = group_list + 1;
ret = mbedtls_snprintf(
pattern, sizeof(pattern),
"EarlyData: Ignore application message before 2nd ClientHello");
TEST_ASSERT(ret < (int) sizeof(pattern));
mbedtls_debug_set_threshold(3);
break;
default:
TEST_FAIL("Unknown scenario.");
}
ret = mbedtls_test_ssl_endpoint_init(&client_ep, MBEDTLS_SSL_IS_CLIENT,
&client_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
ret = mbedtls_test_ssl_endpoint_init(&server_ep, MBEDTLS_SSL_IS_SERVER,
&server_options, NULL, NULL, NULL);
TEST_EQUAL(ret, 0);
mbedtls_ssl_conf_session_tickets_cb(&server_ep.conf,
mbedtls_test_ticket_write,
mbedtls_test_ticket_parse,
NULL);
ret = mbedtls_test_mock_socket_connect(&(client_ep.socket),
&(server_ep.socket), 1024);
TEST_EQUAL(ret, 0);
max_early_data_size = saved_session.max_early_data_size;
ret = mbedtls_ssl_set_session(&(client_ep.ssl), &saved_session);
TEST_EQUAL(ret, 0);
/*
* Start an handshake based on the ticket up to the point where early data
* can be sent from client side. Then send in a loop as much early data as
* possible without going over the maximum permitted size for the ticket.
* Finally, do a last writting to go past that maximum permitted size and
* check that we detect it.
*/
TEST_EQUAL(mbedtls_test_move_handshake_to_state(
&(client_ep.ssl), &(server_ep.ssl),
MBEDTLS_SSL_SERVER_HELLO), 0);
TEST_ASSERT(client_ep.ssl.early_data_state !=
MBEDTLS_SSL_EARLY_DATA_STATE_NO_IND_SENT);
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_WANT_READ);
/*
* Write and if possible read as much as possible chunks of write_size
* bytes data without getting over the max_early_data_size limit.
*/
do {
uint32_t read_early_data_size = 0;
/*
* The contents of the early data are not very important, write a
* pattern that varies byte-by-byte and is different for every chunk of
* early data.
*/
if ((written_early_data_size + write_size) > max_early_data_size) {
break;
}
/*
* If the server rejected early data, base the determination of when
* to stop the loop on the expanded size (padding and encryption
* expansion) of early data on server side and the number of early data
* received so far by the server (multiple of the expanded size).
*/
if ((expanded_early_data_chunk_size != 0) &&
((server_ep.ssl.total_early_data_size +
expanded_early_data_chunk_size) > max_early_data_size)) {
break;
}
for (size_t i = 0; i < write_size; i++) {
buf_write[i] = (unsigned char) (written_early_data_size + i);
}
ret = write_early_data(&(client_ep.ssl), buf_write, write_size);
TEST_EQUAL(ret, write_size);
written_early_data_size += write_size;
switch (scenario) {
case TEST_EARLY_DATA_ACCEPTED:
while (read_early_data_size < write_size) {
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA);
ret = mbedtls_ssl_read_early_data(&(server_ep.ssl),
buf_read, read_size);
TEST_ASSERT(ret > 0);
TEST_MEMORY_COMPARE(buf_read, ret,
buf_write + read_early_data_size, ret);
read_early_data_size += ret;
TEST_EQUAL(server_ep.ssl.total_early_data_size,
written_early_data_size);
}
break;
case TEST_EARLY_DATA_SERVER_REJECTS: /* Intentional fallthrough */
case TEST_EARLY_DATA_HRR:
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
/*
* In this write loop we try to always stay below the
* max_early_data_size limit but if max_early_data_size is very
* small we may exceed the max_early_data_size limit on the
* first write. In TEST_EARLY_DATA_SERVER_REJECTS/
* TEST_EARLY_DATA_HRR scenario, this is for sure the case if
* max_early_data_size is smaller than the smallest possible
* inner content/protected record. Take into account this
* possibility here but only for max_early_data_size values
* that are close to write_size. Below, '1' is for the inner
* type byte and '16' is to take into account some AEAD
* expansion (tag, ...).
*/
if (ret == MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) {
if (scenario == TEST_EARLY_DATA_SERVER_REJECTS) {
TEST_LE_U(max_early_data_size,
write_size + 1 +
MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY);
} else {
TEST_LE_U(max_early_data_size,
write_size + 1 + 16 +
MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY);
}
goto exit;
}
TEST_ASSERT(ret == MBEDTLS_ERR_SSL_WANT_READ);
TEST_EQUAL(server_pattern.counter, 1);
server_pattern.counter = 0;
if (expanded_early_data_chunk_size == 0) {
expanded_early_data_chunk_size = server_ep.ssl.total_early_data_size;
}
break;
}
TEST_LE_U(server_ep.ssl.total_early_data_size, max_early_data_size);
} while (1);
mbedtls_debug_set_threshold(3);
ret = write_early_data(&(client_ep.ssl), buf_write, write_size);
TEST_EQUAL(ret, write_size);
ret = mbedtls_snprintf(pattern, sizeof(pattern),
"EarlyData: Too much early data received");
TEST_ASSERT(ret < (int) sizeof(pattern));
ret = mbedtls_ssl_handshake(&(server_ep.ssl));
TEST_EQUAL(ret, MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE);
TEST_EQUAL(server_pattern.counter, 1);
exit:
mbedtls_test_ssl_endpoint_free(&client_ep, NULL);
mbedtls_test_ssl_endpoint_free(&server_ep, NULL);
mbedtls_test_free_handshake_options(&client_options);
mbedtls_test_free_handshake_options(&server_options);
mbedtls_ssl_session_free(&saved_session);
mbedtls_free(buf_write);
mbedtls_free(buf_read);
mbedtls_debug_set_threshold(0);
PSA_DONE();
}
/* END_CASE */