static void NonBlockingSSL_Connect(WOLFSSL* ssl)
{
#ifndef WOLFSSL_CALLBACKS
int ret = wolfSSL_connect(ssl);
#else
int ret = wolfSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout);
#endif
int error = wolfSSL_get_error(ssl, 0);
SOCKET_T sockfd = (SOCKET_T)wolfSSL_get_fd(ssl);
int select_ret;
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
int currTimeout = 1;
if (error == SSL_ERROR_WANT_READ)
printf("... client would read block\n");
else
printf("... client would write block\n");
#ifdef WOLFSSL_DTLS
currTimeout = wolfSSL_dtls_get_current_timeout(ssl);
#endif
select_ret = tcp_select(sockfd, currTimeout);
if ((select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
#ifndef WOLFSSL_CALLBACKS
ret = wolfSSL_connect(ssl);
#else
ret = wolfSSL_connect_ex(ssl,handShakeCB,timeoutCB,timeout);
#endif
error = wolfSSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT && !wolfSSL_dtls(ssl)) {
error = SSL_ERROR_WANT_READ;
}
#ifdef WOLFSSL_DTLS
else if (select_ret == TEST_TIMEOUT && wolfSSL_dtls(ssl) &&
wolfSSL_dtls_got_timeout(ssl) >= 0) {
error = SSL_ERROR_WANT_READ;
}
#endif
else {
error = SSL_FATAL_ERROR;
}
}
if (ret != SSL_SUCCESS)
err_sys("SSL_connect failed");
}
static void* client_thread(void* args)
{
/* set up client */
WOLFSSL_CTX* cli_ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (cli_ctx == NULL) err_sys("bad client ctx new");
int ret = wolfSSL_CTX_load_verify_locations(cli_ctx, cacert, NULL);
if (ret != SSL_SUCCESS) err_sys("bad ca load");
wolfSSL_SetIOSend(cli_ctx, ClientSend);
wolfSSL_SetIORecv(cli_ctx, ClientRecv);
WOLFSSL* cli_ssl = wolfSSL_new(cli_ctx);
if (cli_ctx == NULL) err_sys("bad client new");
ret = wolfSSL_connect(cli_ssl);
if (ret != SSL_SUCCESS) err_sys("bad client tls connect");
printf("wolfSSL client success!\n");
ret = wolfSSL_write(cli_ssl, "hello memory wolfSSL!", 21);
/* clean up */
wolfSSL_free(cli_ssl);
wolfSSL_CTX_free(cli_ctx);
return NULL;
}
int ClientBenchmarkConnections(WOLFSSL_CTX* ctx, char* host, word16 port,
int doDTLS, int benchmark, int resumeSession)
{
/* time passed in number of connects give average */
int times = benchmark;
int loops = resumeSession ? 2 : 1;
int i = 0;
#ifndef NO_SESSION_CACHE
WOLFSSL_SESSION* benchSession = NULL;
#endif
(void)resumeSession;
while (loops--) {
#ifndef NO_SESSION_CACHE
int benchResume = resumeSession && loops == 0;
#endif
double start = current_time(), avg;
for (i = 0; i < times; i++) {
SOCKET_T sockfd;
WOLFSSL* ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
tcp_connect(&sockfd, host, port, doDTLS, ssl);
#ifndef NO_SESSION_CACHE
if (benchResume)
wolfSSL_set_session(ssl, benchSession);
#endif
wolfSSL_set_fd(ssl, sockfd);
if (wolfSSL_connect(ssl) != SSL_SUCCESS)
err_sys("SSL_connect failed");
wolfSSL_shutdown(ssl);
#ifndef NO_SESSION_CACHE
if (i == (times-1) && resumeSession) {
benchSession = wolfSSL_get_session(ssl);
}
#endif
wolfSSL_free(ssl);
CloseSocket(sockfd);
}
avg = current_time() - start;
avg /= times;
avg *= 1000; /* milliseconds */
#ifndef NO_SESSION_CACHE
if (benchResume)
printf("wolfSSL_resume avg took: %8.3f milliseconds\n", avg);
else
#endif
printf("wolfSSL_connect avg took: %8.3f milliseconds\n", avg);
}
return EXIT_SUCCESS;
}
int Client(const char* ip, word16 port)
{
int n;
char msg[] = "hello wolfssl";
char reply[MAXSZ];
int msgSz = strlen(msg);
SOCKET_T fd;
WOLFSSL_CTX* ctx;
WOLFSSL* ssl;
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL)
err_sys("Error in setting client ctx\n");
if (wolfSSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
err_sys("trouble loading client cert");
if (wolfSSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("trouble loading client cert");
if (wolfSSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("trouble loading client cert");
/*sets the IO callback methods*/
wolfSSL_SetIORecv(ctx, CbIORecv);
wolfSSL_SetIOSend(ctx, CbIOSend);
if ((ssl = wolfSSL_new(ctx)) == NULL)
err_sys("issue when creating ssl");
tcp_connect(&fd, ip, port, 0);
wolfSSL_set_fd(ssl, fd);
if (wolfSSL_connect(ssl) != SSL_SUCCESS)
err_sys("client connect failed");
if (wolfSSL_write(ssl, msg, msgSz) != msgSz)
err_sys("client write failed");
memset(reply, 0, MAXSZ);
if ((n = wolfSSL_read(ssl, reply, MAXSZ - 1)) > 0) {
reply[n] = '\0';
}
else {
printf("client read returned %d\n", n);
return -1;
}
printf("Server sent : %s\n", reply);
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
return 0;
}
/*
* sets up and uses nonblocking protocols using wolfssl
*/
static int NonBlockingSSL_Connect(WOLFSSL* ssl)
{
int ret, error, sockfd, select_ret, currTimeout;
ret = wolfSSL_connect(ssl);
error = wolfSSL_get_error(ssl, 0);
sockfd = (int)wolfSSL_get_fd(ssl);
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
currTimeout = 1;
if (error == SSL_ERROR_WANT_READ)
printf("... client would read block\n");
else
printf("... client would write block\n");
select_ret = tcp_select(sockfd, currTimeout);
if ((select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
ret = wolfSSL_connect(ssl);
error = wolfSSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT) {
error = SSL_ERROR_WANT_READ;
}
else {
error = SSL_FATAL_ERROR;
}
}
if (ret != SSL_SUCCESS){
printf("SSL_connect failed");
return 1;
}
return 0;
}
int main()
{
int sockfd;
WOLFSSL_CTX* ctx;
WOLFSSL* ssl;
WOLFSSL_METHOD* method;
struct sockaddr_in servAddr;
const char message[] = "Hello, World!";
/* create and set up socket */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
memset(&servAddr, 0, sizeof(servAddr));
servAddr.sin_family = AF_INET;
servAddr.sin_port = htons(SERV_PORT);
/* connect to socket */
connect(sockfd, (struct sockaddr *) &servAddr, sizeof(servAddr));
/* initialize wolfssl library */
wolfSSL_Init();
method = wolfTLSv1_2_client_method(); /* use TLS v1.2 */
/* make new ssl context */
if ( (ctx = wolfSSL_CTX_new(method)) == NULL) {
err_sys("wolfSSL_CTX_new error");
}
/* make new wolfSSL struct */
if ( (ssl = wolfSSL_new(ctx)) == NULL) {
err_sys("wolfSSL_new error");
}
/* Add cert to ctx */
if (wolfSSL_CTX_load_verify_locations(ctx, "certs/ca-cert.pem", 0) !=
SSL_SUCCESS) {
err_sys("Error loading certs/ca-cert.pem");
}
/* Connect wolfssl to the socket, server, then send message */
wolfSSL_set_fd(ssl, sockfd);
wolfSSL_connect(ssl);
wolfSSL_write(ssl, message, strlen(message));
/* frees all data before client termination */
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
}
/* Client connecting to server using TLS */
static int wolfssl_client_connect(WOLFSSL* client_ssl)
{
int ret = 0;
if (wolfSSL_connect(client_ssl) != WOLFSSL_SUCCESS) {
if (wolfSSL_want_read(client_ssl)) {
printf("Client waiting for server\n");
}
else if (wolfSSL_want_write(client_ssl)) {
printf("Client waiting for buffer\n");
}
else
ret = -1;
}
return ret;
}
/*
* applies TLS 1.2 security layer to data being sent.
*/
int Security(int sock)
{
WOLFSSL_CTX* ctx;
WOLFSSL* ssl; /* create WOLFSSL object */
int ret = 0;
wolfSSL_Init(); /* initialize wolfSSL */
/* create and initiLize WOLFSSL_CTX structure */
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) {
printf("SSL_CTX_new error.\n");
return EXIT_FAILURE;
}
/* set callback for action when CA's are added */
wolfSSL_CTX_SetCACb(ctx, CaCb);
/* load CA certificates into wolfSSL_CTX. which will verify the server */
if (wolfSSL_CTX_load_verify_locations(ctx, cert, 0) != SSL_SUCCESS) {
printf("Error loading %s. Please check the file.\n", cert);
return EXIT_FAILURE;
}
if ((ssl = wolfSSL_new(ctx)) == NULL) {
printf("wolfSSL_new error.\n");
return EXIT_FAILURE;
}
wolfSSL_set_fd(ssl, sock);
ret = wolfSSL_connect(ssl);
if (ret == SSL_SUCCESS) {
ret = ClientGreet(sock, ssl);
}
/* frees all data before client termination */
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
return ret;
}
static void on_underlying_io_open_complete(void* context, IO_OPEN_RESULT open_result)
{
TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)context;
if (open_result != IO_OPEN_OK)
{
tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
indicate_open_complete(tls_io_instance, IO_OPEN_ERROR);
}
else
{
int res;
tls_io_instance->tlsio_state = TLSIO_STATE_IN_HANDSHAKE;
res = wolfSSL_connect(tls_io_instance->ssl);
if (res != SSL_SUCCESS)
{
indicate_open_complete(tls_io_instance, IO_OPEN_ERROR);
tls_io_instance->tlsio_state = TLSIO_STATE_ERROR;
}
}
}
/* Connect/negotiate a secure connection.
*
* ssl The wolfSSL object.
* resume Resume the session.
* session Session to resume.
* connTime The amount of time spent connecting to the server.
* resumeTime The amount of time spent resuming a connection with the server.
* returns 0 on failure, 1 on success, 2 on want read and 3 on want write.
*/
static int SSL_Connect(WOLFSSL* ssl, int resume, WOLFSSL_SESSION* session,
double* connTime, double* resumeTime)
{
int ret;
int error;
double start;
start = current_time(1);
if (resume && (session != NULL))
wolfSSL_set_session(ssl, session);
/* Connect to the server. */
ret = wolfSSL_connect(ssl);
if (!wolfSSL_session_reused(ssl))
*connTime += current_time(0) - start;
else
*resumeTime += current_time(0) - start;
if (ret == 0) {
fprintf(stderr, "The server has closed the connection!\n");
return 0;
}
if (ret == SSL_SUCCESS)
return 1;
error = wolfSSL_get_error(ssl, 0);
if (error == SSL_ERROR_WANT_READ)
return 2;
if (error == SSL_ERROR_WANT_WRITE)
return 3;
if (error == WC_PENDING_E)
return 4;
if (error == 0)
return EXIT_SUCCESS;
/* Cannot do anything about other errors. */
fprintf(stderr, "wolfSSL_read/write error = %d\n", error);
return 0;
}
NET_PRES_EncSessionStatus NET_PRES_EncProviderClientConnect0(void * providerData)
{
WOLFSSL* ssl;
memcpy(&ssl, providerData, sizeof(WOLFSSL*));
int result = wolfSSL_connect(ssl);
switch (result)
{
case SSL_SUCCESS:
return NET_PRES_ENC_SS_OPEN;
default:
{
int error = wolfSSL_get_error(ssl, result);
switch (error)
{
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
return NET_PRES_ENC_SS_CLIENT_NEGOTIATING;
default:
return NET_PRES_ENC_SS_FAILED;
}
}
}
}
int MqttSocket_Connect(MqttClient *client, const char* host, word16 port,
int timeout_ms, int use_tls, MqttTlsCb cb)
{
int rc;
/* Validate arguments */
if (client == NULL || client->net == NULL ||
client->net->connect == NULL) {
return MQTT_CODE_ERROR_BAD_ARG;
}
/* Validate port */
if (port == 0) {
port = (use_tls) ? MQTT_SECURE_PORT : MQTT_DEFAULT_PORT;
}
/* Connect to host */
rc = client->net->connect(client->net->context, host, port, timeout_ms);
if (rc != 0) {
return rc;
}
client->flags |= MQTT_CLIENT_FLAG_IS_CONNECTED;
#ifdef ENABLE_MQTT_TLS
if (use_tls) {
/* Setup the WolfSSL library */
wolfSSL_Init();
/* Issue callback to allow setup of the wolfSSL_CTX and cert
verification settings */
rc = SSL_SUCCESS;
if (cb) {
rc = cb(client);
}
if (rc == SSL_SUCCESS) {
/* Create and initialize the WOLFSSL_CTX structure */
if (client->tls.ctx == NULL) {
/* Use defaults */
client->tls.ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (client->tls.ctx) {
wolfSSL_CTX_set_verify(client->tls.ctx, SSL_VERIFY_NONE, 0);
}
}
if (client->tls.ctx) {
/* Seutp the async IO callbacks */
wolfSSL_SetIORecv(client->tls.ctx,
MqttSocket_TlsSocketReceive);
wolfSSL_SetIOSend(client->tls.ctx,
MqttSocket_TlsSocketSend);
client->tls.ssl = wolfSSL_new(client->tls.ctx);
if (client->tls.ssl) {
wolfSSL_SetIOReadCtx(client->tls.ssl, (void *)client);
wolfSSL_SetIOWriteCtx(client->tls.ssl, (void *)client);
rc = wolfSSL_connect(client->tls.ssl);
if (rc == SSL_SUCCESS) {
client->flags |= MQTT_CLIENT_FLAG_IS_TLS;
rc = MQTT_CODE_SUCCESS;
}
}
else {
#ifndef WOLFMQTT_NO_STDIO
printf("MqttSocket_TlsConnect: wolfSSL_new error!\n");
#endif
rc = -1;
}
}
else {
#ifndef WOLFMQTT_NO_STDIO
printf("MqttSocket_TlsConnect: wolfSSL_CTX_new error!\n");
#endif
rc = -1;
}
}
else {
#ifndef WOLFMQTT_NO_STDIO
printf("MqttSocket_TlsConnect: TLS callback error!\n");
#endif
rc = -1;
}
/* Handle error case */
if (rc) {
#ifndef WOLFMQTT_NO_STDIO
const char* errstr = NULL;
int errnum = 0;
if (client->tls.ssl) {
errnum = wolfSSL_get_error(client->tls.ssl, 0);
errstr = wolfSSL_ERR_reason_error_string(errnum);
}
printf("MqttSocket_TlsConnect Error %d: Num %d, %s\n",
rc, errnum, errstr);
#endif
/* Make sure we cleanup on error */
MqttSocket_Disconnect(client);
rc = MQTT_CODE_ERROR_TLS_CONNECT;
}
}
#else
(void)cb;
#endif /* ENABLE_MQTT_TLS */
#ifdef WOLFMQTT_DEBUG_SOCKET
printf("MqttSocket_Connect: Rc=%d\n", rc);
#endif
/* Check for error */
if (rc < 0) {
rc = MQTT_CODE_ERROR_NETWORK;
}
return rc;
}
int WolfSSLConnection::connect(const char* host, const int port)
{
int result;
if(sslContext == NULL)
{
LogError("NULL SSL context\r\n");
result = __LINE__;
}
else
{
if (init_socket(SOCK_STREAM) < 0)
{
LogError("init_socket failed\r\n");
result = __LINE__;
}
else
{
if (set_address(host, port) != 0)
{
LogError("set_address failed\r\n");
result = __LINE__;
}
else if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0)
{
close();
LogError("lwip_connect failed\r\n");
result = __LINE__;
}
else
{
wolfSSL_SetIOSend(sslContext, &sendCallback);
wolfSSL_SetIORecv(sslContext, &receiveCallback);
ssl = wolfSSL_new(sslContext);
if(ssl == NULL)
{
LogError("wolfssl new error\r\n");
result = __LINE__;
}
else
{
wolfSSL_set_fd(ssl, _sock_fd);
result = wolfSSL_connect(ssl);
if (result != SSL_SUCCESS)
{
LogError("wolfssl connect error=%d\r\n", result);
result = __LINE__;
}
else
{
result = 0;
isConnected = true;
}
}
}
}
}
return result;
};
int tlsio_wolfssl_open(CONCRETE_IO_HANDLE tls_io, ON_IO_OPEN_COMPLETE on_io_open_complete, void* on_io_open_complete_context, ON_BYTES_RECEIVED on_bytes_received, void* on_bytes_received_context, ON_IO_ERROR on_io_error, void* on_io_error_context)
{
int result;
if (tls_io == NULL)
{
result = __LINE__;
}
else
{
TLS_IO_INSTANCE* tls_io_instance = (TLS_IO_INSTANCE*)tls_io;
if (tls_io_instance->tlsio_state != TLSIO_STATE_NOT_OPEN)
{
LogError("Invalid state encountered.");
result = __LINE__;
}
else
{
tls_io_instance->on_bytes_received = on_bytes_received;
tls_io_instance->on_bytes_received_context = on_bytes_received_context;
tls_io_instance->on_io_open_complete = on_io_open_complete;
tls_io_instance->on_io_open_complete_context = on_io_open_complete_context;
tls_io_instance->on_io_error = on_io_error;
tls_io_instance->on_io_error_context = on_io_error_context;
tls_io_instance->tlsio_state = TLSIO_STATE_OPENING_UNDERLYING_IO;
if (create_wolfssl_instance(tls_io_instance) != 0)
{
tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
result = __LINE__;
}
else if (xio_open(tls_io_instance->socket_io, on_underlying_io_open_complete, tls_io_instance, on_underlying_io_bytes_received, tls_io_instance, on_underlying_io_error, tls_io_instance) != 0)
{
tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
result = __LINE__;
}
else
{
// The state can get changed in the on_underlying_io_open_complete
if (tls_io_instance->tlsio_state == TLSIO_STATE_ERROR)
{
LogError("Failed to connect to server. The certificates may not be correct.");
result = __LINE__;
}
else
{
int res;
tls_io_instance->tlsio_state = TLSIO_STATE_IN_HANDSHAKE;
res = wolfSSL_connect(tls_io_instance->ssl);
if (res != SSL_SUCCESS)
{
LogError("Failed to connect to server.");
tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN;
result = __LINE__;
}
else
{
result = 0;
}
}
}
}
}
return result;
}
/*
* ======== tcpHandler ========
* Creates new Task to handle new TCP connections.
*/
Void tcpHandler(UArg arg0, UArg arg1) {
int sockfd;
int ret;
struct sockaddr_in servAddr;
Error_Block eb;
bool flag = true;
bool internal_flag = true;
int nbytes;
char *buffer;
char msg[] = "Hello from TM4C1294XL Connected Launchpad";
WOLFSSL* ssl = (WOLFSSL *) arg0;
fdOpenSession(TaskSelf());
wolfSSL_Init();
WOLFSSL_CTX* ctx = NULL;
ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (ctx == 0) {
System_printf("tcpHandler: wolfSSL_CTX_new error.\n");
exitApp(ctx);
}
if (wolfSSL_CTX_load_verify_buffer(ctx, ca_cert_der_2048,
sizeof(ca_cert_der_2048) / sizeof(char), SSL_FILETYPE_ASN1)
!= SSL_SUCCESS) {
System_printf("tcpHandler: Error loading ca_cert_der_2048"
" please check the wolfssl/certs_test.h file.\n");
exitApp(ctx);
}
if (wolfSSL_CTX_use_certificate_buffer(ctx, client_cert_der_2048,
sizeof(client_cert_der_2048) / sizeof(char), SSL_FILETYPE_ASN1)
!= SSL_SUCCESS) {
System_printf("tcpHandler: Error loading client_cert_der_2048,"
" please check the wolfssl/certs_test.h file.\n");
exitApp(ctx);
}
if (wolfSSL_CTX_use_PrivateKey_buffer(ctx, client_key_der_2048,
sizeof(client_key_der_2048) / sizeof(char), SSL_FILETYPE_ASN1)
!= SSL_SUCCESS) {
System_printf("tcpHandler: Error loading client_key_der_2048,"
" please check the wolfssl/certs_test.h file.\n");
exitApp(ctx);
}
/* Init the Error_Block */
Error_init(&eb);
do {
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
System_printf("tcpHandler: socket failed\n");
Task_sleep(2000);
continue;
}
memset((char *) &servAddr, 0, sizeof(servAddr));
servAddr.sin_family = AF_INET;
servAddr.sin_port = htons(TCPPORT);
inet_aton(IP_ADDR, &servAddr.sin_addr);
ret = connect(sockfd, (struct sockaddr *) &servAddr, sizeof(servAddr));
if (ret < 0) {
fdClose((SOCKET) sockfd);
Task_sleep(2000);
continue;
}
} while (ret != 0);
if ((ssl = wolfSSL_new(ctx)) == NULL) {
System_printf("tcpHandler: wolfSSL_new error.\n");
exitApp(ctx);
}
wolfSSL_set_fd(ssl, sockfd);
ret = wolfSSL_connect(ssl);
/* Delete "TOP_LINE" and "END_LINE" for debugging. */
/* TOP_LINE
System_printf("looked for: %d.\n", SSL_SUCCESS);
System_printf("return was: %d.\n", ret);
int err;
char err_buffer[80];
err = wolfSSL_get_error(ssl, 0);
System_printf("wolfSSL error: %d\n", err);
System_printf("wolfSSL error string: %s\n", wolfSSL_ERR_error_string(err, err_buffer));
END_LINE */
if (ret == SSL_SUCCESS) {
sockfd = wolfSSL_get_fd(ssl);
/* Get a buffer to receive incoming packets. Use the default heap. */
buffer = Memory_alloc(NULL, TCPPACKETSIZE, 0, &eb);
if (buffer == NULL) {
System_printf("tcpWorker: failed to alloc memory\n");
exitApp(ctx);
}
/* Say hello to the server */
while (flag) {
if (wolfSSL_write(ssl, msg, strlen(msg)) != strlen(msg)) {
ret = wolfSSL_get_error(ssl, 0);
System_printf("Write error: %i.\n", ret);
}
while (internal_flag) {
nbytes = wolfSSL_read(ssl, (char *) buffer, TCPPACKETSIZE);
if (nbytes > 0) {
internal_flag = false;
}
}
/* success */
System_printf("Heard: \"%s\".\n", buffer);
wolfSSL_free(ssl);
fdClose((SOCKET) sockfd);
flag = false;
}
/* Free the buffer back to the heap */
Memory_free(NULL, buffer, TCPPACKETSIZE);
/*
* Since deleteTerminatedTasks is set in the cfg file,
* the Task will be deleted when the idle task runs.
*/
exitApp(ctx);
} else {
wolfSSL_free(ssl);
fdClose((SOCKET) sockfd);
System_printf("wolfSSL_connect failed.\n");
fdCloseSession(TaskSelf());
exitApp(ctx);
}
}
int main (int argc, char** argv)
{
/* standard variables used in a dtls client */
int ret = 0, err;
int sockfd = -1;
WOLFSSL* ssl = NULL;
WOLFSSL_CTX* ctx = NULL;
const char* ca_cert = "../certs/ca-cert.pem";
char buff[MSGLEN];
int buffLen;
SharedDtls shared;
/* Program argument checking */
if (argc != 2) {
printf("usage: udpcli <IP address>\n");
return 1;
}
/* Code for handling signals */
struct sigaction act, oact;
act.sa_handler = sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGINT, &act, &oact);
wolfSSL_Debugging_ON();
/* Initialize wolfSSL before assigning ctx */
wolfSSL_Init();
if ( (ctx = wolfSSL_CTX_new(wolfDTLSv1_2_client_method())) == NULL) {
fprintf(stderr, "wolfSSL_CTX_new error.\n");
goto exit;
}
/* Register callbacks */
wolfSSL_CTX_SetIORecv(ctx, my_IORecv);
wolfSSL_CTX_SetIOSend(ctx, my_IOSend);
/* Load CA certificates into ctx variable */
if (wolfSSL_CTX_load_verify_locations(ctx, ca_cert, 0)
!= SSL_SUCCESS) {
fprintf(stderr, "Error loading %s, please check the file.\n", ca_cert);
goto exit;
}
/* Assign ssl variable */
ssl = wolfSSL_new(ctx);
if (ssl == NULL) {
printf("unable to get ssl object");
goto exit;
}
memset(&shared, 0, sizeof(shared));
shared.ssl = ssl;
/* servAddr setup */
shared.servSz = sizeof(shared.servAddr);
shared.servAddr.sin_family = AF_INET;
shared.servAddr.sin_port = htons(SERV_PORT);
if (inet_pton(AF_INET, argv[1], &shared.servAddr.sin_addr) < 1) {
printf("Error and/or invalid IP address");
goto exit;
}
if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("cannot create a socket.");
goto exit;
}
shared.sd = sockfd;
wolfSSL_SetIOWriteCtx(ssl, &shared);
wolfSSL_SetIOReadCtx(ssl, &shared);
if (wolfSSL_connect(ssl) != SSL_SUCCESS) {
err = wolfSSL_get_error(ssl, 0);
printf("err = %d, %s\n", err, wolfSSL_ERR_reason_error_string(err));
printf("SSL_connect failed\n");
goto exit;
}
/**************************************************************************/
/* Code for sending datagram to server */
if (fgets(buff, sizeof(buff), stdin) != NULL) {
/* Send buffer to the server */
buffLen = strlen(buff);
if (( wolfSSL_write(ssl, buff, buffLen)) != buffLen) {
err = wolfSSL_get_error(ssl, 0);
if (err != SSL_ERROR_WANT_WRITE) {
printf("err = %d, %s\n", err, wolfSSL_ERR_reason_error_string(err));
printf("SSL_write failed\n");
goto exit;
}
}
/* Receive message from server */
ret = wolfSSL_read(ssl, buff, sizeof(buff)-1);
if (ret < 0) {
err = wolfSSL_get_error(ssl, 0);
if (err != SSL_ERROR_WANT_READ) {
printf("err = %d, %s\n", err, wolfSSL_ERR_reason_error_string(err));
printf("SSL_read failed\n");
goto exit;
}
}
buffLen = ret;
ret = 0;
/* Add a terminating character to the generic server message */
buff[buffLen] = '\0';
fputs(buff, stdout);
}
/* End code for sending datagram to server */
/**************************************************************************/
exit:
/* Housekeeping */
if (ssl) {
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
}
if (sockfd != -1) {
close(sockfd);
}
if (ctx) {
wolfSSL_CTX_free(ctx);
}
wolfSSL_Cleanup();
return ret;
}
int ClientBenchmarkThroughput(WOLFSSL_CTX* ctx, char* host, word16 port,
int doDTLS, int throughput)
{
double start, conn_time = 0, tx_time = 0, rx_time = 0;
SOCKET_T sockfd;
WOLFSSL* ssl;
int ret;
start = current_time();
ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
tcp_connect(&sockfd, host, port, doDTLS, ssl);
wolfSSL_set_fd(ssl, sockfd);
if (wolfSSL_connect(ssl) == SSL_SUCCESS) {
/* Perform throughput test */
char *tx_buffer, *rx_buffer;
/* Record connection time */
conn_time = current_time() - start;
/* Allocate TX/RX buffers */
tx_buffer = (char*)malloc(TEST_BUFFER_SIZE);
rx_buffer = (char*)malloc(TEST_BUFFER_SIZE);
if(tx_buffer && rx_buffer) {
WC_RNG rng;
/* Startup the RNG */
ret = wc_InitRng(&rng);
if(ret == 0) {
int xfer_bytes;
/* Generate random data to send */
ret = wc_RNG_GenerateBlock(&rng, (byte*)tx_buffer, TEST_BUFFER_SIZE);
wc_FreeRng(&rng);
if(ret != 0) {
err_sys("wc_RNG_GenerateBlock failed");
}
/* Perform TX and RX of bytes */
xfer_bytes = 0;
while(throughput > xfer_bytes) {
int len, rx_pos, select_ret;
/* Determine packet size */
len = min(TEST_BUFFER_SIZE, throughput - xfer_bytes);
/* Perform TX */
start = current_time();
if (wolfSSL_write(ssl, tx_buffer, len) != len) {
int writeErr = wolfSSL_get_error(ssl, 0);
printf("wolfSSL_write error %d!\n", writeErr);
err_sys("wolfSSL_write failed");
}
tx_time += current_time() - start;
/* Perform RX */
select_ret = tcp_select(sockfd, 1); /* Timeout=1 second */
if (select_ret == TEST_RECV_READY) {
start = current_time();
rx_pos = 0;
while(rx_pos < len) {
ret = wolfSSL_read(ssl, &rx_buffer[rx_pos], len - rx_pos);
if(ret <= 0) {
int readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ) {
printf("wolfSSL_read error %d!\n", readErr);
err_sys("wolfSSL_read failed");
}
}
else {
rx_pos += ret;
}
}
rx_time += current_time() - start;
}
/* Compare TX and RX buffers */
if(XMEMCMP(tx_buffer, rx_buffer, len) != 0) {
err_sys("Compare TX and RX buffers failed");
}
/* Update overall position */
xfer_bytes += len;
}
}
else {
err_sys("wc_InitRng failed");
}
}
else {
err_sys("Client buffer malloc failed");
}
if(tx_buffer) free(tx_buffer);
if(rx_buffer) free(rx_buffer);
}
else {
err_sys("wolfSSL_connect failed");
}
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
CloseSocket(sockfd);
printf("wolfSSL Client Benchmark %d bytes\n"
"\tConnect %8.3f ms\n"
"\tTX %8.3f ms (%8.3f MBps)\n"
"\tRX %8.3f ms (%8.3f MBps)\n",
throughput,
conn_time * 1000,
tx_time * 1000, throughput / tx_time / 1024 / 1024,
rx_time * 1000, throughput / rx_time / 1024 / 1024
);
return EXIT_SUCCESS;
}
int main (int argc, char** argv)
{
/* standard variables used in a dtls client*/
int sockfd = 0;
int err1;
int readErr;
struct sockaddr_in servAddr;
const char* host = argv[1];
WOLFSSL* ssl = 0;
WOLFSSL_CTX* ctx = 0;
WOLFSSL* sslResume = 0;
WOLFSSL_SESSION* session = 0;
char* srTest = "testing session resume";
char cert_array[] = "../certs/ca-cert.pem";
char buffer[80];
char* certs = cert_array;
/* variables used in a dtls client for session reuse*/
int recvlen;
char sendLine[MAXLINE];
char recvLine[MAXLINE - 1];
if (argc != 2) {
printf("usage: udpcli <IP address>\n");
return 1;
}
wolfSSL_Init();
/* Un-comment the following line to enable debugging */
/* wolfSSL_Debugging_ON(); */
if ( (ctx = wolfSSL_CTX_new(wolfDTLSv1_2_client_method())) == NULL) {
fprintf(stderr, "wolfSSL_CTX_new error.\n");
return 1;
}
if (wolfSSL_CTX_load_verify_locations(ctx, certs, 0) != SSL_SUCCESS) {
fprintf(stderr, "Error loading %s, please check the file.\n", certs);
return 1;
}
ssl = wolfSSL_new(ctx);
if (ssl == NULL) {
printf("unable to get ssl object");
return 1;
}
memset(&servAddr, 0, sizeof(servAddr));
servAddr.sin_family = AF_INET;
servAddr.sin_port = htons(SERV_PORT);
if ( (inet_pton(AF_INET, host, &servAddr.sin_addr)) < 1) {
printf("Error and/or invalid IP address");
return 1;
}
wolfSSL_dtls_set_peer(ssl, &servAddr, sizeof(servAddr));
if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("cannot create a socket.");
return 1;
}
wolfSSL_set_fd(ssl, sockfd);
if (wolfSSL_connect(ssl) != SSL_SUCCESS) {
err1 = wolfSSL_get_error(ssl, 0);
memset(buffer, 0, 80);
printf("err = %d, %s\n", err1, wolfSSL_ERR_error_string(err1, buffer));
printf("SSL_connect failed");
return 1;
}
/*****************************************************************************/
/* Code for sending datagram to server */
/* Loop while the user gives input or until an EOF is read */
while( fgets(sendLine, MAXLINE, stdin) != NULL ) {
/* Attempt to send sendLine to the server */
if ( ( wolfSSL_write(ssl, sendLine, strlen(sendLine))) !=
strlen(sendLine) ) {
printf("Error: wolfSSL_write failed.\n");
}
/* Attempt to read a message from server and store it in recvLine */
recvlen = wolfSSL_read(ssl, recvLine, sizeof(recvLine) - 1);
/* Error checking wolfSSL_read */
if (recvlen < 0) {
readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ) {
printf("Error: wolfSSL_read failed.\n");
}
}
recvLine[recvlen] = '\0';
fputs(recvLine, stdout);
}
/* */
/*****************************************************************************/
/* Keep track of the old session information */
wolfSSL_write(ssl, srTest, sizeof(srTest));
session = wolfSSL_get_session(ssl);
sslResume = wolfSSL_new(ctx);
/* Cleanup the memory used by the old session & ssl object */
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
close(sockfd);
/* Perform setup with new variables/old session information */
memset(&servAddr, 0, sizeof(servAddr));
servAddr.sin_family = AF_INET;
servAddr.sin_port = htons(SERV_PORT);
if ( (inet_pton(AF_INET, host, &servAddr.sin_addr)) < 1) {
printf("Error and/or invalid IP address");
return 1;
}
wolfSSL_dtls_set_peer(sslResume, &servAddr, sizeof(servAddr));
if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("cannot create a socket.");
return 1;
}
wolfSSL_set_fd(sslResume, sockfd);
/* New method call - specifies to the WOLFSSL object to use the *
* given WOLFSSL_SESSION object */
wolfSSL_set_session(sslResume, session);
wolfSSL_set_fd(sslResume, sockfd);
if (wolfSSL_connect(sslResume) != SSL_SUCCESS) {
err1 = wolfSSL_get_error(sslResume, 0);
memset(buffer, 0, 80);
printf("err = %d, %s\n", err1, wolfSSL_ERR_error_string(err1, buffer));
printf("SSL_connect failed on session reuse\n");
return 1;
}
if (wolfSSL_session_reused(sslResume)) {
printf("reused session id\n");
}
else {
printf("didn't reuse session id!!!\n");
}
/*****************************************************************************/
/* Code for sending datagram to server */
/* Clear out variables for reuse */
recvlen = 0;
memset(sendLine, 0, MAXLINE);
memset(recvLine, 0, MAXLINE - 1);
/* Loop while the user gives input or until an EOF is read */
while( fgets(sendLine, MAXLINE, stdin) != NULL ) {
/* Attempt to send sendLine to the server */
if ( ( wolfSSL_write(ssl, sendLine, strlen(sendLine))) !=
strlen(sendLine) ) {
printf("Error: wolfSSL_write failed.\n");
}
/* Attempt to read a message from server and store it in recvLine */
recvlen = wolfSSL_read(ssl, recvLine, sizeof(recvLine) - 1);
/* Error checking wolfSSL_read */
if (recvlen < 0) {
readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ) {
printf("Error: wolfSSL_read failed.\n");
}
}
recvLine[recvlen] = '\0';
fputs(recvLine, stdout);
}
/* */
/*****************************************************************************/
wolfSSL_write(sslResume, srTest, sizeof(srTest));
/* Cleanup memory used for storing the session information */
wolfSSL_shutdown(sslResume);
wolfSSL_free(sslResume);
close(sockfd);
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
return 0;
}
THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
{
SOCKET_T sockfd = WOLFSSL_SOCKET_INVALID;
WOLFSSL_METHOD* method = 0;
WOLFSSL_CTX* ctx = 0;
WOLFSSL* ssl = 0;
WOLFSSL* sslResume = 0;
WOLFSSL_SESSION* session = 0;
char resumeMsg[32] = "resuming wolfssl!";
int resumeSz = (int)strlen(resumeMsg);
char msg[32] = "hello wolfssl!"; /* GET may make bigger */
char reply[80];
int input;
int msgSz = (int)strlen(msg);
word16 port = wolfSSLPort;
char* host = (char*)wolfSSLIP;
const char* domain = "localhost"; /* can't default to www.wolfssl.com
because can't tell if we're really
going there to detect old chacha-poly
*/
int ch;
int version = CLIENT_INVALID_VERSION;
int usePsk = 0;
int useAnon = 0;
int sendGET = 0;
int benchmark = 0;
int throughput = 0;
int doDTLS = 0;
int matchName = 0;
int doPeerCheck = 1;
int nonBlocking = 0;
int resumeSession = 0;
int wc_shutdown = 0;
int disableCRL = 0;
int externalTest = 0;
int ret;
int scr = 0; /* allow secure renegotiation */
int forceScr = 0; /* force client initiaed scr */
int trackMemory = 0;
int useClientCert = 1;
int fewerPackets = 0;
int atomicUser = 0;
int pkCallbacks = 0;
int overrideDateErrors = 0;
int minDhKeyBits = DEFAULT_MIN_DHKEY_BITS;
char* alpnList = NULL;
unsigned char alpn_opt = 0;
char* cipherList = NULL;
const char* verifyCert = caCert;
const char* ourCert = cliCert;
const char* ourKey = cliKey;
#ifdef HAVE_SNI
char* sniHostName = NULL;
#endif
#ifdef HAVE_MAX_FRAGMENT
byte maxFragment = 0;
#endif
#ifdef HAVE_TRUNCATED_HMAC
byte truncatedHMAC = 0;
#endif
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
byte statusRequest = 0;
#endif
#ifdef HAVE_OCSP
int useOcsp = 0;
char* ocspUrl = NULL;
#endif
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
((func_args*)args)->return_code = -1; /* error state */
#ifdef NO_RSA
verifyCert = (char*)eccCert;
ourCert = (char*)cliEccCert;
ourKey = (char*)cliEccKey;
#endif
(void)resumeSz;
(void)session;
(void)sslResume;
(void)trackMemory;
(void)atomicUser;
(void)pkCallbacks;
(void)scr;
(void)forceScr;
(void)ourKey;
(void)ourCert;
(void)verifyCert;
(void)useClientCert;
(void)overrideDateErrors;
(void)disableCRL;
(void)minDhKeyBits;
(void)alpnList;
(void)alpn_opt;
StackTrap();
#ifndef WOLFSSL_VXWORKS
while ((ch = mygetopt(argc, argv,
"?gdeDusmNrwRitfxXUPCVh:p:v:l:A:c:k:Z:b:zS:F:L:ToO:aB:W:")) != -1) {
switch (ch) {
case '?' :
Usage();
exit(EXIT_SUCCESS);
case 'g' :
sendGET = 1;
break;
case 'd' :
doPeerCheck = 0;
break;
case 'e' :
ShowCiphers();
exit(EXIT_SUCCESS);
case 'D' :
overrideDateErrors = 1;
break;
case 'C' :
#ifdef HAVE_CRL
disableCRL = 1;
#endif
break;
case 'u' :
doDTLS = 1;
break;
case 's' :
usePsk = 1;
break;
case 't' :
#ifdef USE_WOLFSSL_MEMORY
trackMemory = 1;
#endif
break;
case 'm' :
matchName = 1;
break;
case 'x' :
useClientCert = 0;
break;
case 'X' :
externalTest = 1;
break;
case 'f' :
fewerPackets = 1;
break;
case 'U' :
#ifdef ATOMIC_USER
atomicUser = 1;
#endif
break;
case 'P' :
#ifdef HAVE_PK_CALLBACKS
pkCallbacks = 1;
#endif
break;
case 'h' :
host = myoptarg;
domain = myoptarg;
break;
case 'p' :
port = (word16)atoi(myoptarg);
#if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API)
if (port == 0)
err_sys("port number cannot be 0");
#endif
break;
case 'v' :
version = atoi(myoptarg);
if (version < 0 || version > 3) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'V' :
ShowVersions();
exit(EXIT_SUCCESS);
case 'l' :
cipherList = myoptarg;
break;
case 'A' :
verifyCert = myoptarg;
break;
case 'c' :
ourCert = myoptarg;
break;
case 'k' :
ourKey = myoptarg;
break;
case 'Z' :
#ifndef NO_DH
minDhKeyBits = atoi(myoptarg);
if (minDhKeyBits <= 0 || minDhKeyBits > 16000) {
Usage();
exit(MY_EX_USAGE);
}
#endif
break;
case 'b' :
benchmark = atoi(myoptarg);
if (benchmark < 0 || benchmark > 1000000) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'B' :
throughput = atoi(myoptarg);
if (throughput <= 0) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'N' :
nonBlocking = 1;
break;
case 'r' :
resumeSession = 1;
break;
case 'w' :
wc_shutdown = 1;
break;
case 'R' :
#ifdef HAVE_SECURE_RENEGOTIATION
scr = 1;
#endif
break;
case 'i' :
#ifdef HAVE_SECURE_RENEGOTIATION
scr = 1;
forceScr = 1;
#endif
break;
case 'z' :
#ifndef WOLFSSL_LEANPSK
wolfSSL_GetObjectSize();
#endif
break;
case 'S' :
#ifdef HAVE_SNI
sniHostName = myoptarg;
#endif
break;
case 'F' :
#ifdef HAVE_MAX_FRAGMENT
maxFragment = atoi(myoptarg);
if (maxFragment < WOLFSSL_MFL_2_9 ||
maxFragment > WOLFSSL_MFL_2_13) {
Usage();
exit(MY_EX_USAGE);
}
#endif
break;
case 'T' :
#ifdef HAVE_TRUNCATED_HMAC
truncatedHMAC = 1;
#endif
break;
case 'W' :
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
statusRequest = atoi(myoptarg);
#endif
break;
case 'o' :
#ifdef HAVE_OCSP
useOcsp = 1;
#endif
break;
case 'O' :
#ifdef HAVE_OCSP
useOcsp = 1;
ocspUrl = myoptarg;
#endif
break;
case 'a' :
#ifdef HAVE_ANON
useAnon = 1;
#endif
break;
case 'L' :
#ifdef HAVE_ALPN
alpnList = myoptarg;
if (alpnList[0] == 'C' && alpnList[1] == ':')
alpn_opt = WOLFSSL_ALPN_CONTINUE_ON_MISMATCH;
else if (alpnList[0] == 'F' && alpnList[1] == ':')
alpn_opt = WOLFSSL_ALPN_FAILED_ON_MISMATCH;
else {
Usage();
exit(MY_EX_USAGE);
}
alpnList += 2;
#endif
break;
default:
Usage();
exit(MY_EX_USAGE);
}
}
myoptind = 0; /* reset for test cases */
#endif /* !WOLFSSL_VXWORKS */
if (externalTest) {
/* detect build cases that wouldn't allow test against wolfssl.com */
int done = 0;
(void)done;
#ifdef NO_RSA
done = 1;
#endif
/* www.globalsign.com does not respond to ipv6 ocsp requests */
#if defined(TEST_IPV6) && defined(HAVE_OCSP)
done = 1;
#endif
/* www.globalsign.com has limited supported cipher suites */
#if defined(NO_AES) && defined(HAVE_OCSP)
done = 1;
#endif
/* www.globalsign.com only supports static RSA or ECDHE with AES */
/* We cannot expect users to have on static RSA so test for ECC only
* as some users will most likely be on 32-bit systems where ECC
* is not enabled by default */
#if defined(HAVE_OCSP) && !defined(HAVE_ECC)
done = 1;
#endif
#ifndef NO_PSK
done = 1;
#endif
#ifdef NO_SHA
done = 1; /* external cert chain most likely has SHA */
#endif
#if !defined(HAVE_ECC) && !defined(WOLFSSL_STATIC_RSA)
if (!XSTRNCMP(domain, "www.google.com", 14) ||
!XSTRNCMP(domain, "www.wolfssl.com", 15)) {
done = 1; /* google/wolfssl need ECDHE or static RSA */
}
#endif
#if !defined(WOLFSSL_SHA384)
if (!XSTRNCMP(domain, "www.wolfssl.com", 15)) {
done = 1; /* wolfssl need sha384 for cert chain verify */
}
#endif
#if !defined(HAVE_AESGCM) && defined(NO_AES) && \
!(defined(HAVE_CHACHA) && defined(HAVE_POLY1305))
done = 1; /* need at least on of these for external tests */
#endif
if (done) {
printf("external test can't be run in this mode");
((func_args*)args)->return_code = 0;
exit(EXIT_SUCCESS);
}
}
/* sort out DTLS versus TLS versions */
if (version == CLIENT_INVALID_VERSION) {
if (doDTLS)
version = CLIENT_DTLS_DEFAULT_VERSION;
else
version = CLIENT_DEFAULT_VERSION;
}
else {
if (doDTLS) {
if (version == 3)
version = -2;
else
version = -1;
}
}
#ifdef USE_WOLFSSL_MEMORY
if (trackMemory)
InitMemoryTracker();
#endif
switch (version) {
#ifndef NO_OLD_TLS
#ifdef WOLFSSL_ALLOW_SSLV3
case 0:
method = wolfSSLv3_client_method();
break;
#endif
#ifndef NO_TLS
case 1:
method = wolfTLSv1_client_method();
break;
case 2:
method = wolfTLSv1_1_client_method();
break;
#endif /* NO_TLS */
#endif /* NO_OLD_TLS */
#ifndef NO_TLS
case 3:
method = wolfTLSv1_2_client_method();
break;
#endif
#ifdef WOLFSSL_DTLS
#ifndef NO_OLD_TLS
case -1:
method = wolfDTLSv1_client_method();
break;
#endif
case -2:
method = wolfDTLSv1_2_client_method();
break;
#endif
default:
err_sys("Bad SSL version");
break;
}
if (method == NULL)
err_sys("unable to get method");
ctx = wolfSSL_CTX_new(method);
if (ctx == NULL)
err_sys("unable to get ctx");
if (cipherList) {
if (wolfSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
err_sys("client can't set cipher list 1");
}
#ifdef WOLFSSL_LEANPSK
usePsk = 1;
#endif
#if defined(NO_RSA) && !defined(HAVE_ECC)
usePsk = 1;
#endif
if (fewerPackets)
wolfSSL_CTX_set_group_messages(ctx);
#ifndef NO_DH
wolfSSL_CTX_SetMinDhKey_Sz(ctx, (word16)minDhKeyBits);
#endif
if (usePsk) {
#ifndef NO_PSK
wolfSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
if (cipherList == NULL) {
const char *defaultCipherList;
#if defined(HAVE_AESGCM) && !defined(NO_DH)
defaultCipherList = "DHE-PSK-AES128-GCM-SHA256";
#elif defined(HAVE_NULL_CIPHER)
defaultCipherList = "PSK-NULL-SHA256";
#else
defaultCipherList = "PSK-AES128-CBC-SHA256";
#endif
if (wolfSSL_CTX_set_cipher_list(ctx,defaultCipherList)
!=SSL_SUCCESS)
err_sys("client can't set cipher list 2");
}
#endif
useClientCert = 0;
}
if (useAnon) {
#ifdef HAVE_ANON
if (cipherList == NULL) {
wolfSSL_CTX_allow_anon_cipher(ctx);
if (wolfSSL_CTX_set_cipher_list(ctx,"ADH-AES128-SHA") != SSL_SUCCESS)
err_sys("client can't set cipher list 4");
}
#endif
useClientCert = 0;
}
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(WOLFSSL_SNIFFER)
if (cipherList == NULL) {
/* don't use EDH, can't sniff tmp keys */
if (wolfSSL_CTX_set_cipher_list(ctx, "AES128-SHA") != SSL_SUCCESS) {
err_sys("client can't set cipher list 3");
}
}
#endif
#ifdef HAVE_OCSP
if (useOcsp) {
if (ocspUrl != NULL) {
wolfSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl);
wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE
| WOLFSSL_OCSP_URL_OVERRIDE);
}
else
wolfSSL_CTX_EnableOCSP(ctx, 0);
}
#endif
#ifdef USER_CA_CB
wolfSSL_CTX_SetCACb(ctx, CaCb);
#endif
#ifdef VERIFY_CALLBACK
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
#endif
#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
if (useClientCert){
if (wolfSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS)
err_sys("can't load client cert file, check file and run from"
" wolfSSL home dir");
if (wolfSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client private key file, check file and run "
"from wolfSSL home dir");
}
if (!usePsk && !useAnon) {
if (wolfSSL_CTX_load_verify_locations(ctx, verifyCert,0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
#ifdef HAVE_ECC
/* load ecc verify too, echoserver uses it by default w/ ecc */
if (wolfSSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
err_sys("can't load ecc ca file, Please run from wolfSSL home dir");
#endif /* HAVE_ECC */
}
#endif /* !NO_FILESYSTEM && !NO_CERTS */
#if !defined(NO_CERTS)
if (!usePsk && !useAnon && doPeerCheck == 0)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
if (!usePsk && !useAnon && overrideDateErrors == 1)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myDateCb);
#endif
#ifdef HAVE_CAVIUM
wolfSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID);
#endif
#ifdef HAVE_SNI
if (sniHostName)
if (wolfSSL_CTX_UseSNI(ctx, 0, sniHostName, XSTRLEN(sniHostName))
!= SSL_SUCCESS)
err_sys("UseSNI failed");
#endif
#ifdef HAVE_MAX_FRAGMENT
if (maxFragment)
if (wolfSSL_CTX_UseMaxFragment(ctx, maxFragment) != SSL_SUCCESS)
err_sys("UseMaxFragment failed");
#endif
#ifdef HAVE_TRUNCATED_HMAC
if (truncatedHMAC)
if (wolfSSL_CTX_UseTruncatedHMAC(ctx) != SSL_SUCCESS)
err_sys("UseTruncatedHMAC failed");
#endif
#ifdef HAVE_SESSION_TICKET
if (wolfSSL_CTX_UseSessionTicket(ctx) != SSL_SUCCESS)
err_sys("UseSessionTicket failed");
#endif
if (benchmark) {
((func_args*)args)->return_code =
ClientBenchmarkConnections(ctx, host, port, doDTLS, benchmark, resumeSession);
wolfSSL_CTX_free(ctx);
exit(EXIT_SUCCESS);
}
if(throughput) {
((func_args*)args)->return_code =
ClientBenchmarkThroughput(ctx, host, port, doDTLS, throughput);
wolfSSL_CTX_free(ctx);
exit(EXIT_SUCCESS);
}
#if defined(WOLFSSL_MDK_ARM)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
#endif
ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
#ifdef HAVE_SUPPORTED_CURVES /* add curves to supported curves extension */
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP256R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp256r1");
}
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP384R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp384r1");
}
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP521R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp521r1");
}
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP224R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp224r1");
}
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP192R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp192r1");
}
if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP160R1)
!= SSL_SUCCESS) {
err_sys("unable to set curve secp160r1");
}
#endif
#ifdef HAVE_SESSION_TICKET
wolfSSL_set_SessionTicket_cb(ssl, sessionTicketCB, (void*)"initial session");
#endif
#ifdef HAVE_ALPN
if (alpnList != NULL) {
printf("ALPN accepted protocols list : %s\n", alpnList);
wolfSSL_UseALPN(ssl, alpnList, (word32)XSTRLEN(alpnList), alpn_opt);
}
#endif
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
if (statusRequest) {
switch (statusRequest) {
case WOLFSSL_CSR_OCSP:
if (wolfSSL_UseOCSPStapling(ssl, WOLFSSL_CSR_OCSP,
WOLFSSL_CSR_OCSP_USE_NONCE) != SSL_SUCCESS)
err_sys("UseCertificateStatusRequest failed");
break;
}
wolfSSL_CTX_EnableOCSP(ctx, 0);
}
#endif
#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
if (statusRequest) {
switch (statusRequest) {
case WOLFSSL_CSR2_OCSP:
if (wolfSSL_UseOCSPStaplingV2(ssl,
WOLFSSL_CSR2_OCSP, WOLFSSL_CSR2_OCSP_USE_NONCE)
!= SSL_SUCCESS)
err_sys("UseCertificateStatusRequest failed");
break;
case WOLFSSL_CSR2_OCSP_MULTI:
if (wolfSSL_UseOCSPStaplingV2(ssl,
WOLFSSL_CSR2_OCSP_MULTI, 0)
!= SSL_SUCCESS)
err_sys("UseCertificateStatusRequest failed");
break;
}
wolfSSL_CTX_EnableOCSP(ctx, 0);
}
#endif
tcp_connect(&sockfd, host, port, doDTLS, ssl);
wolfSSL_set_fd(ssl, sockfd);
#ifdef HAVE_CRL
if (disableCRL == 0) {
if (wolfSSL_EnableCRL(ssl, WOLFSSL_CRL_CHECKALL) != SSL_SUCCESS)
err_sys("can't enable crl check");
if (wolfSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS)
err_sys("can't load crl, check crlfile and date validity");
if (wolfSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
err_sys("can't set crl callback");
}
#endif
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr) {
if (wolfSSL_UseSecureRenegotiation(ssl) != SSL_SUCCESS)
err_sys("can't enable secure renegotiation");
}
#endif
#ifdef ATOMIC_USER
if (atomicUser)
SetupAtomicUser(ctx, ssl);
#endif
#ifdef HAVE_PK_CALLBACKS
if (pkCallbacks)
SetupPkCallbacks(ctx, ssl);
#endif
if (matchName && doPeerCheck)
wolfSSL_check_domain_name(ssl, domain);
#ifndef WOLFSSL_CALLBACKS
if (nonBlocking) {
wolfSSL_set_using_nonblock(ssl, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(ssl);
}
else if (wolfSSL_connect(ssl) != SSL_SUCCESS) {
/* see note at top of README */
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
err_sys("SSL_connect failed");
/* if you're getting an error here */
}
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
#endif
showPeer(ssl);
#ifdef HAVE_ALPN
if (alpnList != NULL) {
int err;
char *protocol_name = NULL;
word16 protocol_nameSz = 0;
err = wolfSSL_ALPN_GetProtocol(ssl, &protocol_name, &protocol_nameSz);
if (err == SSL_SUCCESS)
printf("Received ALPN protocol : %s (%d)\n",
protocol_name, protocol_nameSz);
else if (err == SSL_ALPN_NOT_FOUND)
printf("No ALPN response received (no match with server)\n");
else
printf("Getting ALPN protocol name failed\n");
}
#endif
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr && forceScr) {
if (nonBlocking) {
printf("not doing secure renegotiation on example with"
" nonblocking yet");
} else {
if (wolfSSL_Rehandshake(ssl) != SSL_SUCCESS) {
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
err_sys("wolfSSL_Rehandshake failed");
}
}
}
#endif /* HAVE_SECURE_RENEGOTIATION */
if (sendGET) {
printf("SSL connect ok, sending GET...\n");
msgSz = 28;
strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz);
msg[msgSz] = '\0';
resumeSz = msgSz;
strncpy(resumeMsg, "GET /index.html HTTP/1.0\r\n\r\n", resumeSz);
resumeMsg[resumeSz] = '\0';
}
if (wolfSSL_write(ssl, msg, msgSz) != msgSz)
err_sys("SSL_write failed");
input = wolfSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("Server response: %s\n", reply);
if (sendGET) { /* get html */
while (1) {
input = wolfSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
}
else if (input < 0) {
int readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ)
err_sys("wolfSSL_read failed");
}
#ifndef NO_SESSION_CACHE
if (resumeSession) {
session = wolfSSL_get_session(ssl);
sslResume = wolfSSL_new(ctx);
if (sslResume == NULL)
err_sys("unable to get SSL object");
}
#endif
if (doDTLS == 0) { /* don't send alert after "break" command */
ret = wolfSSL_shutdown(ssl);
if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE)
wolfSSL_shutdown(ssl); /* bidirectional shutdown */
}
#ifdef ATOMIC_USER
if (atomicUser)
FreeAtomicUser(ssl);
#endif
wolfSSL_free(ssl);
CloseSocket(sockfd);
#ifndef NO_SESSION_CACHE
if (resumeSession) {
if (doDTLS) {
#ifdef USE_WINDOWS_API
Sleep(500);
#elif defined(WOLFSSL_TIRTOS)
Task_sleep(1);
#else
sleep(1);
#endif
}
tcp_connect(&sockfd, host, port, doDTLS, sslResume);
wolfSSL_set_fd(sslResume, sockfd);
#ifdef HAVE_ALPN
if (alpnList != NULL) {
printf("ALPN accepted protocols list : %s\n", alpnList);
wolfSSL_UseALPN(sslResume, alpnList, (word32)XSTRLEN(alpnList),
alpn_opt);
}
#endif
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr) {
if (wolfSSL_UseSecureRenegotiation(sslResume) != SSL_SUCCESS)
err_sys("can't enable secure renegotiation");
}
#endif
wolfSSL_set_session(sslResume, session);
#ifdef HAVE_SESSION_TICKET
wolfSSL_set_SessionTicket_cb(sslResume, sessionTicketCB,
(void*)"resumed session");
#endif
#ifndef WOLFSSL_CALLBACKS
if (nonBlocking) {
wolfSSL_set_using_nonblock(sslResume, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(sslResume);
}
else if (wolfSSL_connect(sslResume) != SSL_SUCCESS)
err_sys("SSL resume failed");
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
#endif
showPeer(sslResume);
if (wolfSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
#ifdef HAVE_ALPN
if (alpnList != NULL) {
int err;
char *protocol_name = NULL;
word16 protocol_nameSz = 0;
printf("Sending ALPN accepted list : %s\n", alpnList);
err = wolfSSL_ALPN_GetProtocol(sslResume, &protocol_name,
&protocol_nameSz);
if (err == SSL_SUCCESS)
printf("Received ALPN protocol : %s (%d)\n",
protocol_name, protocol_nameSz);
else if (err == SSL_ALPN_NOT_FOUND)
printf("Not received ALPN response (no match with server)\n");
else
printf("Getting ALPN protocol name failed\n");
}
#endif
if (wolfSSL_write(sslResume, resumeMsg, resumeSz) != resumeSz)
err_sys("SSL_write failed");
if (nonBlocking) {
/* give server a chance to bounce a message back to client */
#ifdef USE_WINDOWS_API
Sleep(500);
#elif defined(WOLFSSL_TIRTOS)
Task_sleep(1);
#else
sleep(1);
#endif
}
input = wolfSSL_read(sslResume, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("Server resume response: %s\n", reply);
if (sendGET) { /* get html */
while (1) {
input = wolfSSL_read(sslResume, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
} else if (input < 0) {
int readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ)
err_sys("wolfSSL_read failed");
}
/* try to send session break */
wolfSSL_write(sslResume, msg, msgSz);
ret = wolfSSL_shutdown(sslResume);
if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE)
wolfSSL_shutdown(sslResume); /* bidirectional shutdown */
wolfSSL_free(sslResume);
CloseSocket(sockfd);
}
#endif /* NO_SESSION_CACHE */
wolfSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
#ifdef USE_WOLFSSL_MEMORY
if (trackMemory)
ShowMemoryTracker();
#endif /* USE_WOLFSSL_MEMORY */
#if !defined(WOLFSSL_TIRTOS)
return 0;
#endif
}
THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
{
SOCKET_T sockfd = 0;
WOLFSSL_METHOD* method = 0;
WOLFSSL_CTX* ctx = 0;
WOLFSSL* ssl = 0;
WOLFSSL* sslResume = 0;
WOLFSSL_SESSION* session = 0;
char resumeMsg[] = "resuming wolfssl!";
int resumeSz = sizeof(resumeMsg);
char msg[32] = "hello wolfssl!"; /* GET may make bigger */
char reply[80];
int input;
int msgSz = (int)strlen(msg);
word16 port = yasslPort;
char* host = (char*)yasslIP;
const char* domain = "www.yassl.com";
int ch;
int version = CLIENT_INVALID_VERSION;
int usePsk = 0;
int useAnon = 0;
int sendGET = 0;
int benchmark = 0;
int doDTLS = 0;
int matchName = 0;
int doPeerCheck = 1;
int nonBlocking = 0;
int resumeSession = 0;
int scr = 0; /* allow secure renegotiation */
int forceScr = 0; /* force client initiaed scr */
int trackMemory = 0;
int useClientCert = 1;
int fewerPackets = 0;
int atomicUser = 0;
int pkCallbacks = 0;
int overrideDateErrors = 0;
char* cipherList = NULL;
const char* verifyCert = caCert;
const char* ourCert = cliCert;
const char* ourKey = cliKey;
#ifdef HAVE_SNI
char* sniHostName = NULL;
#endif
#ifdef HAVE_MAX_FRAGMENT
byte maxFragment = 0;
#endif
#ifdef HAVE_TRUNCATED_HMAC
byte truncatedHMAC = 0;
#endif
#ifdef HAVE_OCSP
int useOcsp = 0;
char* ocspUrl = NULL;
#endif
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
((func_args*)args)->return_code = -1; /* error state */
#ifdef NO_RSA
verifyCert = (char*)eccCert;
ourCert = (char*)cliEccCert;
ourKey = (char*)cliEccKey;
#endif
(void)resumeSz;
(void)session;
(void)sslResume;
(void)trackMemory;
(void)atomicUser;
(void)pkCallbacks;
(void)scr;
(void)forceScr;
StackTrap();
while ((ch = mygetopt(argc, argv,
"?gdDusmNrRitfxUPh:p:v:l:A:c:k:b:zS:L:ToO:a")) != -1) {
switch (ch) {
case '?' :
Usage();
exit(EXIT_SUCCESS);
case 'g' :
sendGET = 1;
break;
case 'd' :
doPeerCheck = 0;
break;
case 'D' :
overrideDateErrors = 1;
break;
case 'u' :
doDTLS = 1;
break;
case 's' :
usePsk = 1;
break;
case 't' :
#ifdef USE_WOLFSSL_MEMORY
trackMemory = 1;
#endif
break;
case 'm' :
matchName = 1;
break;
case 'x' :
useClientCert = 0;
break;
case 'f' :
fewerPackets = 1;
break;
case 'U' :
#ifdef ATOMIC_USER
atomicUser = 1;
#endif
break;
case 'P' :
#ifdef HAVE_PK_CALLBACKS
pkCallbacks = 1;
#endif
break;
case 'h' :
host = myoptarg;
domain = myoptarg;
break;
case 'p' :
port = (word16)atoi(myoptarg);
#if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API)
if (port == 0)
err_sys("port number cannot be 0");
#endif
break;
case 'v' :
version = atoi(myoptarg);
if (version < 0 || version > 3) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'l' :
cipherList = myoptarg;
break;
case 'A' :
verifyCert = myoptarg;
break;
case 'c' :
ourCert = myoptarg;
break;
case 'k' :
ourKey = myoptarg;
break;
case 'b' :
benchmark = atoi(myoptarg);
if (benchmark < 0 || benchmark > 1000000) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'N' :
nonBlocking = 1;
break;
case 'r' :
resumeSession = 1;
break;
case 'R' :
#ifdef HAVE_SECURE_RENEGOTIATION
scr = 1;
#endif
break;
case 'i' :
#ifdef HAVE_SECURE_RENEGOTIATION
scr = 1;
forceScr = 1;
#endif
break;
case 'z' :
#ifndef WOLFSSL_LEANPSK
wolfSSL_GetObjectSize();
#endif
break;
case 'S' :
#ifdef HAVE_SNI
sniHostName = myoptarg;
#endif
break;
case 'L' :
#ifdef HAVE_MAX_FRAGMENT
maxFragment = atoi(myoptarg);
if (maxFragment < WOLFSSL_MFL_2_9 ||
maxFragment > WOLFSSL_MFL_2_13) {
Usage();
exit(MY_EX_USAGE);
}
#endif
break;
case 'T' :
#ifdef HAVE_TRUNCATED_HMAC
truncatedHMAC = 1;
#endif
break;
case 'o' :
#ifdef HAVE_OCSP
useOcsp = 1;
#endif
break;
case 'O' :
#ifdef HAVE_OCSP
useOcsp = 1;
ocspUrl = myoptarg;
#endif
break;
case 'a' :
#ifdef HAVE_ANON
useAnon = 1;
#endif
break;
default:
Usage();
exit(MY_EX_USAGE);
}
}
myoptind = 0; /* reset for test cases */
/* sort out DTLS versus TLS versions */
if (version == CLIENT_INVALID_VERSION) {
if (doDTLS)
version = CLIENT_DTLS_DEFAULT_VERSION;
else
version = CLIENT_DEFAULT_VERSION;
}
else {
if (doDTLS) {
if (version == 3)
version = -2;
else
version = -1;
}
}
#ifdef USE_WOLFSSL_MEMORY
if (trackMemory)
InitMemoryTracker();
#endif
switch (version) {
#ifndef NO_OLD_TLS
case 0:
method = wolfSSLv3_client_method();
break;
#ifndef NO_TLS
case 1:
method = wolfTLSv1_client_method();
break;
case 2:
method = wolfTLSv1_1_client_method();
break;
#endif /* NO_TLS */
#endif /* NO_OLD_TLS */
#ifndef NO_TLS
case 3:
method = wolfTLSv1_2_client_method();
break;
#endif
#ifdef WOLFSSL_DTLS
case -1:
method = wolfDTLSv1_client_method();
break;
case -2:
method = wolfDTLSv1_2_client_method();
break;
#endif
default:
err_sys("Bad SSL version");
break;
}
if (method == NULL)
err_sys("unable to get method");
ctx = wolfSSL_CTX_new(method);
if (ctx == NULL)
err_sys("unable to get ctx");
if (cipherList)
if (wolfSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
err_sys("client can't set cipher list 1");
#ifdef WOLFSSL_LEANPSK
usePsk = 1;
#endif
#if defined(NO_RSA) && !defined(HAVE_ECC)
usePsk = 1;
#endif
if (fewerPackets)
wolfSSL_CTX_set_group_messages(ctx);
if (usePsk) {
#ifndef NO_PSK
wolfSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
if (cipherList == NULL) {
const char *defaultCipherList;
#ifdef HAVE_NULL_CIPHER
defaultCipherList = "PSK-NULL-SHA256";
#else
defaultCipherList = "PSK-AES128-CBC-SHA256";
#endif
if (wolfSSL_CTX_set_cipher_list(ctx,defaultCipherList) !=SSL_SUCCESS)
err_sys("client can't set cipher list 2");
}
#endif
useClientCert = 0;
}
if (useAnon) {
#ifdef HAVE_ANON
if (cipherList == NULL) {
wolfSSL_CTX_allow_anon_cipher(ctx);
if (wolfSSL_CTX_set_cipher_list(ctx,"ADH-AES128-SHA") != SSL_SUCCESS)
err_sys("client can't set cipher list 4");
}
#endif
useClientCert = 0;
}
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(WOLFSSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
if (cipherList == NULL) {
/* don't use EDH, can't sniff tmp keys */
if (wolfSSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) {
err_sys("client can't set cipher list 3");
}
}
#endif
#ifdef HAVE_OCSP
if (useOcsp) {
if (ocspUrl != NULL) {
wolfSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl);
wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE
| WOLFSSL_OCSP_URL_OVERRIDE);
}
else
wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE);
}
#endif
#ifdef USER_CA_CB
wolfSSL_CTX_SetCACb(ctx, CaCb);
#endif
#ifdef VERIFY_CALLBACK
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
#endif
#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
if (useClientCert){
if (wolfSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS)
err_sys("can't load client cert file, check file and run from"
" wolfSSL home dir");
if (wolfSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client private key file, check file and run "
"from wolfSSL home dir");
}
if (!usePsk && !useAnon) {
if (wolfSSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
}
#endif
#if !defined(NO_CERTS)
if (!usePsk && !useAnon && doPeerCheck == 0)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
if (!usePsk && !useAnon && overrideDateErrors == 1)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myDateCb);
#endif
#ifdef HAVE_CAVIUM
wolfSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID);
#endif
#ifdef HAVE_SNI
if (sniHostName)
if (wolfSSL_CTX_UseSNI(ctx, 0, sniHostName, XSTRLEN(sniHostName))
!= SSL_SUCCESS)
err_sys("UseSNI failed");
#endif
#ifdef HAVE_MAX_FRAGMENT
if (maxFragment)
if (wolfSSL_CTX_UseMaxFragment(ctx, maxFragment) != SSL_SUCCESS)
err_sys("UseMaxFragment failed");
#endif
#ifdef HAVE_TRUNCATED_HMAC
if (truncatedHMAC)
if (wolfSSL_CTX_UseTruncatedHMAC(ctx) != SSL_SUCCESS)
err_sys("UseTruncatedHMAC failed");
#endif
#ifdef HAVE_SESSION_TICKET
if (wolfSSL_CTX_UseSessionTicket(ctx) != SSL_SUCCESS)
err_sys("UseSessionTicket failed");
#endif
if (benchmark) {
/* time passed in number of connects give average */
int times = benchmark;
int i = 0;
double start = current_time(), avg;
for (i = 0; i < times; i++) {
tcp_connect(&sockfd, host, port, doDTLS);
ssl = wolfSSL_new(ctx);
wolfSSL_set_fd(ssl, sockfd);
if (wolfSSL_connect(ssl) != SSL_SUCCESS)
err_sys("SSL_connect failed");
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
CloseSocket(sockfd);
}
avg = current_time() - start;
avg /= times;
avg *= 1000; /* milliseconds */
printf("wolfSSL_connect avg took: %8.3f milliseconds\n", avg);
wolfSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
exit(EXIT_SUCCESS);
}
#if defined(WOLFSSL_MDK_ARM)
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
#endif
ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
#ifdef HAVE_SESSION_TICKET
wolfSSL_set_SessionTicket_cb(ssl, sessionTicketCB, (void*)"initial session");
#endif
if (doDTLS) {
SOCKADDR_IN_T addr;
build_addr(&addr, host, port, 1);
wolfSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, host, port, 0);
}
#ifdef HAVE_POLY1305
/* use old poly to connect with google server */
if (!XSTRNCMP(domain, "www.google.com", 14)) {
if (wolfSSL_use_old_poly(ssl, 1) != 0)
err_sys("unable to set to old poly");
}
#endif
wolfSSL_set_fd(ssl, sockfd);
#ifdef HAVE_CRL
if (wolfSSL_EnableCRL(ssl, WOLFSSL_CRL_CHECKALL) != SSL_SUCCESS)
err_sys("can't enable crl check");
if (wolfSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS)
err_sys("can't load crl, check crlfile and date validity");
if (wolfSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
err_sys("can't set crl callback");
#endif
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr) {
if (wolfSSL_UseSecureRenegotiation(ssl) != SSL_SUCCESS)
err_sys("can't enable secure renegotiation");
}
#endif
#ifdef ATOMIC_USER
if (atomicUser)
SetupAtomicUser(ctx, ssl);
#endif
#ifdef HAVE_PK_CALLBACKS
if (pkCallbacks)
SetupPkCallbacks(ctx, ssl);
#endif
if (matchName && doPeerCheck)
wolfSSL_check_domain_name(ssl, domain);
#ifndef WOLFSSL_CALLBACKS
if (nonBlocking) {
wolfSSL_set_using_nonblock(ssl, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(ssl);
}
else if (wolfSSL_connect(ssl) != SSL_SUCCESS) {
/* see note at top of README */
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
err_sys("SSL_connect failed");
/* if you're getting an error here */
}
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
#endif
showPeer(ssl);
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr && forceScr) {
if (nonBlocking) {
printf("not doing secure renegotiation on example with"
" nonblocking yet");
} else {
#ifndef NO_SESSION_CACHE
if (resumeSession) {
session = wolfSSL_get_session(ssl);
wolfSSL_set_session(ssl, session);
resumeSession = 0; /* only resume once */
}
#endif
if (wolfSSL_Rehandshake(ssl) != SSL_SUCCESS) {
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
err_sys("wolfSSL_Rehandshake failed");
}
}
}
#endif /* HAVE_SECURE_RENEGOTIATION */
if (sendGET) {
printf("SSL connect ok, sending GET...\n");
msgSz = 28;
strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz);
msg[msgSz] = '\0';
}
if (wolfSSL_write(ssl, msg, msgSz) != msgSz)
err_sys("SSL_write failed");
input = wolfSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("Server response: %s\n", reply);
if (sendGET) { /* get html */
while (1) {
input = wolfSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
}
else if (input < 0) {
int readErr = wolfSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ)
err_sys("wolfSSL_read failed");
}
#ifndef NO_SESSION_CACHE
if (resumeSession) {
if (doDTLS) {
strncpy(msg, "break", 6);
msgSz = (int)strlen(msg);
/* try to send session close */
wolfSSL_write(ssl, msg, msgSz);
}
session = wolfSSL_get_session(ssl);
sslResume = wolfSSL_new(ctx);
}
#endif
if (doDTLS == 0) /* don't send alert after "break" command */
wolfSSL_shutdown(ssl); /* echoserver will interpret as new conn */
#ifdef ATOMIC_USER
if (atomicUser)
FreeAtomicUser(ssl);
#endif
wolfSSL_free(ssl);
CloseSocket(sockfd);
#ifndef NO_SESSION_CACHE
if (resumeSession) {
if (doDTLS) {
SOCKADDR_IN_T addr;
#ifdef USE_WINDOWS_API
Sleep(500);
#elif defined(WOLFSSL_TIRTOS)
Task_sleep(1);
#else
sleep(1);
#endif
build_addr(&addr, host, port, 1);
wolfSSL_dtls_set_peer(sslResume, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, host, port, 0);
}
wolfSSL_set_fd(sslResume, sockfd);
wolfSSL_set_session(sslResume, session);
#ifdef HAVE_SESSION_TICKET
wolfSSL_set_SessionTicket_cb(sslResume, sessionTicketCB,
(void*)"resumed session");
#endif
showPeer(sslResume);
#ifndef WOLFSSL_CALLBACKS
if (nonBlocking) {
wolfSSL_set_using_nonblock(sslResume, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(sslResume);
}
else if (wolfSSL_connect(sslResume) != SSL_SUCCESS)
err_sys("SSL resume failed");
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
#endif
if (wolfSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
if (wolfSSL_write(sslResume, resumeMsg, resumeSz) != resumeSz)
err_sys("SSL_write failed");
if (nonBlocking) {
/* give server a chance to bounce a message back to client */
#ifdef USE_WINDOWS_API
Sleep(500);
#elif defined(WOLFSSL_TIRTOS)
Task_sleep(1);
#else
sleep(1);
#endif
}
input = wolfSSL_read(sslResume, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("Server resume response: %s\n", reply);
}
/* try to send session break */
wolfSSL_write(sslResume, msg, msgSz);
wolfSSL_shutdown(sslResume);
wolfSSL_free(sslResume);
CloseSocket(sockfd);
}
#endif /* NO_SESSION_CACHE */
wolfSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
#ifdef USE_WOLFSSL_MEMORY
if (trackMemory)
ShowMemoryTracker();
#endif /* USE_WOLFSSL_MEMORY */
#if !defined(WOLFSSL_TIRTOS)
return 0;
#endif
}
int main(int argc, char **argv){
int sockfd, sock, ret;
WOLFSSL* ssl;
WOLFSSL* sslResume = 0;
WOLFSSL_SESSION* session = 0;
WOLFSSL_CTX* ctx;
struct sockaddr_in servaddr;;
/* must include an ip address of this will flag */
if (argc != 2) {
printf("Usage: tcpClient <IPaddress>\n");
return 1;
}
wolfSSL_Init(); /* initialize wolfSSL */
/* create and initialize WOLFSSL_CTX structure */
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) {
fprintf(stderr, "SSL_CTX_new error.\n");
return 1;
}
/* create a stream socket using tcp,internet protocal IPv4,
* full-duplex stream */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
/* places n zero-valued bytes in the address servaddr */
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(SERV_PORT);
/* converts IPv4 addresses from text to binary form */
ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr);
if (ret != 1){
return 1;
}
/* set up pre shared keys */
wolfSSL_CTX_set_psk_client_callback(ctx, My_Psk_Client_Cb);
/* attempts to make a connection on a socket */
ret = connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr));
if (ret != 0 ){
return 1;
}
/* create wolfSSL object after each tcp connect */
if ( (ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "wolfSSL_new error.\n");
return 1;
}
/* associate the file descriptor with the session */
wolfSSL_set_fd(ssl, sockfd);
/* takes inputting string and outputs it to the server */
SendReceive(ssl);
/* Save the session ID to reuse */
session = wolfSSL_get_session(ssl);
sslResume = wolfSSL_new(ctx);
/* shut down wolfSSL */
wolfSSL_shutdown(ssl);
/* close connection */
close(sockfd);
/* cleanup */
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
/*
* resume session, start new connection and socket
*/
/* start a new socket connection */
sock = socket(AF_INET, SOCK_STREAM, 0);
/* connect to the socket */
ret = connect(sock, (struct sockaddr *) &servaddr, sizeof(servaddr));
if (ret != 0){
return 1;
}
/* set the session ID to connect to the server */
wolfSSL_set_fd(sslResume, sock);
wolfSSL_set_session(sslResume, session);
/* check has connect successfully */
if (wolfSSL_connect(sslResume) != SSL_SUCCESS) {
printf("SSL resume failed\n");
return 1;
}
/* takes inputting string and outputs it to the server */
ret = SendReceive(sslResume);
if (ret != 0) {
return 1;
}
/* check to see if the session id is being reused */
if (wolfSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
/* shut down wolfSSL */
wolfSSL_shutdown(sslResume);
/* shut down socket */
close(sock);
/* clean up */
wolfSSL_free(sslResume);
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
return ret;
}
static void test_client_nofail(void* args)
{
SOCKET_T sockfd = 0;
WOLFSSL_METHOD* method = 0;
WOLFSSL_CTX* ctx = 0;
WOLFSSL* ssl = 0;
char msg[64] = "hello wolfssl!";
char reply[1024];
int input;
int msgSz = (int)strlen(msg);
#ifdef WOLFSSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
method = wolfSSLv23_client_method();
ctx = wolfSSL_CTX_new(method);
#ifdef OPENSSL_EXTRA
wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
if (wolfSSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
{
/* err_sys("can't load ca file, Please run from wolfSSL home dir");*/
goto done2;
}
if (wolfSSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load client cert file, "
"Please run from wolfSSL home dir");*/
goto done2;
}
if (wolfSSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load client key file, "
"Please run from wolfSSL home dir");*/
goto done2;
}
tcp_connect(&sockfd, wolfSSLIP, ((func_args*)args)->signal->port, 0);
ssl = wolfSSL_new(ctx);
wolfSSL_set_fd(ssl, sockfd);
if (wolfSSL_connect(ssl) != SSL_SUCCESS)
{
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer));
/*printf("SSL_connect failed");*/
goto done2;
}
if (wolfSSL_write(ssl, msg, msgSz) != msgSz)
{
/*err_sys("SSL_write failed");*/
goto done2;
}
input = wolfSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0)
{
reply[input] = 0;
printf("Server response: %s\n", reply);
}
done2:
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
CloseSocket(sockfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef WOLFSSL_TIRTOS
fdCloseSession(Task_self());
#endif
return;
}
static void run_wolfssl_client(void* args)
{
callback_functions* callbacks = ((func_args*)args)->callbacks;
WOLFSSL_CTX* ctx = wolfSSL_CTX_new(callbacks->method());
WOLFSSL* ssl = NULL;
SOCKET_T sfd = 0;
char msg[] = "hello wolfssl server!";
int len = (int) XSTRLEN(msg);
char input[1024];
int idx;
#ifdef WOLFSSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
#ifdef OPENSSL_EXTRA
wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
AssertIntEQ(SSL_SUCCESS, wolfSSL_CTX_load_verify_locations(ctx, caCert, 0));
AssertIntEQ(SSL_SUCCESS,
wolfSSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM));
AssertIntEQ(SSL_SUCCESS,
wolfSSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM));
if (callbacks->ctx_ready)
callbacks->ctx_ready(ctx);
tcp_connect(&sfd, wolfSSLIP, ((func_args*)args)->signal->port, 0);
ssl = wolfSSL_new(ctx);
wolfSSL_set_fd(ssl, sfd);
if (callbacks->ssl_ready)
callbacks->ssl_ready(ssl);
if (wolfSSL_connect(ssl) != SSL_SUCCESS) {
int err = wolfSSL_get_error(ssl, 0);
char buffer[WOLFSSL_MAX_ERROR_SZ];
printf("error = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer));
} else {
AssertIntEQ(len, wolfSSL_write(ssl, msg, len));
if (0 < (idx = wolfSSL_read(ssl, input, sizeof(input)-1))) {
input[idx] = 0;
printf("Server response: %s\n", input);
}
}
if (callbacks->on_result)
callbacks->on_result(ssl);
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
CloseSocket(sfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef WOLFSSL_TIRTOS
fdCloseSession(Task_self());
#endif
}
