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;
}
/* Use this callback to setup TLS certificates and verify callbacks */
static int mqtt_aws_tls_cb(MqttClient* client)
{
int rc = SSL_FAILURE;
client->tls.ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (client->tls.ctx) {
wolfSSL_CTX_set_verify(client->tls.ctx, SSL_VERIFY_PEER, mqtt_aws_tls_verify_cb);
/* Load CA certificate buffer */
rc = wolfSSL_CTX_load_verify_buffer(client->tls.ctx,
(const byte*)root_ca, (long)XSTRLEN(root_ca), SSL_FILETYPE_PEM);
/* Load Client Cert */
if (rc == SSL_SUCCESS)
rc = wolfSSL_CTX_use_certificate_buffer(client->tls.ctx,
(const byte*)device_cert, (long)XSTRLEN(device_cert), SSL_FILETYPE_PEM);
/* Load Private Key */
if (rc == SSL_SUCCESS)
rc = wolfSSL_CTX_use_PrivateKey_buffer(client->tls.ctx,
(const byte*)device_priv_key, (long)XSTRLEN(device_priv_key), SSL_FILETYPE_PEM);
}
PRINTF("MQTT TLS Setup (%d)", rc);
return rc;
}
/* Use this callback to setup TLS certificates and verify callbacks */
static int mqttclient_tls_cb(MqttClient* client)
{
int rc = SSL_FAILURE;
(void)client; /* Supress un-used argument */
client->tls.ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (client->tls.ctx) {
wolfSSL_CTX_set_verify(client->tls.ctx, SSL_VERIFY_PEER, mqttclient_tls_verify_cb);
if (mTlsFile) {
#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
/* Load CA certificate file */
rc = wolfSSL_CTX_load_verify_locations(client->tls.ctx, mTlsFile, 0);
#else
rc = SSL_SUCCESS;
#endif
}
else {
rc = SSL_SUCCESS;
}
}
PRINTF("MQTT TLS Setup (%d)", rc);
return rc;
}
/* Create a new wolfSSL client with a server CA certificate. */
static int wolfssl_client_new(WOLFSSL_CTX** ctx, WOLFSSL** ssl)
{
int ret = 0;
WOLFSSL_CTX* client_ctx = NULL;
WOLFSSL* client_ssl = NULL;
/* Create and initialize WOLFSSL_CTX */
if ((client_ctx = wolfSSL_CTX_new_ex(wolfTLSv1_2_client_method(),
HEAP_HINT_CLIENT)) == NULL) {
printf("ERROR: failed to create WOLFSSL_CTX\n");
ret = -1;
}
if (ret == 0) {
/* Load CA certificates into WOLFSSL_CTX */
if (wolfSSL_CTX_load_verify_buffer(client_ctx, CA_CERTS, CA_CERTS_LEN,
WOLFSSL_FILETYPE_ASN1) != WOLFSSL_SUCCESS) {
printf("ERROR: failed to load CA certificate\n");
ret = -1;
}
}
if (ret == 0) {
/* Register callbacks */
wolfSSL_SetIORecv(client_ctx, recv_client);
wolfSSL_SetIOSend(client_ctx, send_client);
}
if (ret == 0) {
/* Create a WOLFSSL object */
if ((client_ssl = wolfSSL_new(client_ctx)) == NULL) {
printf("ERROR: failed to create WOLFSSL object\n");
ret = -1;
}
}
if (ret == 0) {
/* make wolfSSL object nonblocking */
wolfSSL_set_using_nonblock(client_ssl, 1);
}
if (ret == 0) {
*ctx = client_ctx;
*ssl = client_ssl;
}
else {
if (client_ssl != NULL)
wolfSSL_free(client_ssl);
if (client_ctx != NULL)
wolfSSL_CTX_free(client_ctx);
}
return ret;
}
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;
}
int SuiteTest(void)
{
func_args args;
char argv0[2][80];
char* myArgv[2];
printf(" Begin Cipher Suite Tests\n");
/* setup */
myArgv[0] = argv0[0];
myArgv[1] = argv0[1];
args.argv = myArgv;
strcpy(argv0[0], "SuiteTest");
(void)test_harness;
cipherSuiteCtx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (cipherSuiteCtx == NULL) {
printf("can't get cipher suite ctx\n");
exit(EXIT_FAILURE);
}
/* default case */
args.argc = 1;
printf("starting default cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
/* any extra cases will need another argument */
args.argc = 2;
#ifdef WOLFSSL_DTLS
/* add dtls extra suites */
strcpy(argv0[1], "tests/test-dtls.conf");
printf("starting dtls extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif
printf(" End Cipher Suite Tests\n");
wolfSSL_CTX_free(cipherSuiteCtx);
wolfSSL_Cleanup();
return args.return_code;
}
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();
}
WolfSSLConnection::WolfSSLConnection()
{
wolfSSL_Init();
WOLFSSL_METHOD* method = wolfTLSv1_2_client_method();
if(method != NULL)
{
sslContext = wolfSSL_CTX_new(method);
}
else
{
sslContext = NULL;
}
isConnected = false;
}
/*
* 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;
}
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
}
/* See the comments at the top of main.c. */
void vSecureTCPClientTask( void *pvParameters )
{
SOCKET xClientSocket;
struct sockaddr_in xConnection;
WOLFSSL* xWolfSSL_Object;
WORD wVersionRequested;
WSADATA xWSAData;
char cString[ 50 ];
BaseType_t lReturned;
uint32_t ulCount = 0UL;
/* Remove compiler warning about unused parameters. */
( void ) pvParameters;
/* Prepare to use WinSock. */
wVersionRequested = MAKEWORD( 2, 2 );
configASSERT( WSAStartup( wVersionRequested, &xWSAData ) == 0 );
/* Set family and port for client socket. */
memset( ( void * ) &xConnection, 0x00, sizeof( struct sockaddr_in ) );
xConnection.sin_family = AF_INET;
xConnection.sin_addr.s_addr = inet_addr("127.0.0.1");
xConnection.sin_port = htons( configTCP_PORT_NUMBER );
/* Attempt to create a context that uses the TLS 1.2 server protocol. */
xWolfSSL_ClientContext = wolfSSL_CTX_new( wolfTLSv1_2_client_method() );
configASSERT( xWolfSSL_ClientContext );
/* Load the CA certificate. */
lReturned = wolfSSL_CTX_load_verify_locations( xWolfSSL_ClientContext, "ca-cert.pem", 0 );
configASSERT( lReturned == SSL_SUCCESS );
for( ;; )
{
/* Create the socket. */
xClientSocket = socket( AF_INET, SOCK_STREAM, 0 );
configASSERT( xClientSocket != INVALID_SOCKET );
/* Connect to the secure server. */
if( connect( xClientSocket, ( SOCKADDR * ) &xConnection, sizeof( xConnection ) ) == 0 )
{
/* The connect was successful. Create a wolfSSL object to associate
with this connection. */
xWolfSSL_Object = wolfSSL_new( xWolfSSL_ClientContext );
if( xWolfSSL_Object != NULL )
{
/* Associate the created wolfSSL object with the connected
socket. */
lReturned = wolfSSL_set_fd( xWolfSSL_Object, xClientSocket );
configASSERT( lReturned == SSL_SUCCESS );
/* The count is used to differentiate between messages sent to
the server, and to break out of the do while loop below. */
ulCount = 0UL;
do
{
/* Create the string that is sent to the secure server. */
sprintf( cString, "Message number %lu\r\n", ulCount );
/* The next line is the secure equivalent of the standard
sockets call:
lReturned = send( xClientSocket, cString, strlen( cString ) + 1, 0 ); */
lReturned = wolfSSL_write( xWolfSSL_Object, cString, strlen( cString ) + 1 );
/* Short delay to prevent the messages streaming up the
console too quickly. */
vTaskDelay( 50 );
ulCount++;
} while( ( lReturned != SOCKET_ERROR ) && ( ulCount < 10UL ) );
}
wolfSSL_free( xWolfSSL_Object );
closesocket( xClientSocket );
/* Delay for a short time before starting over. */
vTaskDelay( 250 );
}
}
}
int SuiteTest(void)
{
func_args args;
char argv0[2][80];
char* myArgv[2];
printf(" Begin Cipher Suite Tests\n");
/* setup */
myArgv[0] = argv0[0];
myArgv[1] = argv0[1];
args.argv = myArgv;
strcpy(argv0[0], "SuiteTest");
#ifdef WOLFSSL_STATIC_MEMORY
byte memory[200000];
#endif
(void)test_harness;
cipherSuiteCtx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
if (cipherSuiteCtx == NULL) {
printf("can't get cipher suite ctx\n");
exit(EXIT_FAILURE);
}
/* load in static memory buffer if enabled */
#ifdef WOLFSSL_STATIC_MEMORY
if (wolfSSL_CTX_load_static_memory(&cipherSuiteCtx, NULL,
memory, sizeof(memory), 0, 1)
!= SSL_SUCCESS) {
printf("unable to load static memory and create ctx");
exit(EXIT_FAILURE);
}
#endif
/* default case */
args.argc = 1;
printf("starting default cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
/* any extra cases will need another argument */
args.argc = 2;
#ifdef WOLFSSL_DTLS
/* add dtls extra suites */
strcpy(argv0[1], "tests/test-dtls.conf");
printf("starting dtls extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif
#ifdef WOLFSSL_SCTP
/* add dtls-sctp extra suites */
strcpy(argv0[1], "tests/test-sctp.conf");
printf("starting dtls-sctp extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif
#ifndef WC_STRICT_SIG
#if !defined(NO_RSA) && defined(HAVE_ECC) /* testing mixed ECC/RSA cert */
/* add extra signature test suites */
strcpy(argv0[1], "tests/test-sig.conf");
printf("starting sig extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif /* HAVE_RSA and HAVE_ECC */
#endif /* !WC_STRICT_SIG */
#ifdef HAVE_QSH
/* add QSH extra suites */
strcpy(argv0[1], "tests/test-qsh.conf");
printf("starting qsh extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif
#ifndef NO_PSK
/* add psk extra suites */
strcpy(argv0[1], "tests/test-psk-no-id.conf");
printf("starting psk no identity extra cipher suite tests\n");
test_harness(&args);
if (args.return_code != 0) {
printf("error from script %d\n", args.return_code);
exit(EXIT_FAILURE);
}
#endif
printf(" End Cipher Suite Tests\n");
wolfSSL_CTX_free(cipherSuiteCtx);
wolfSSL_Cleanup();
return args.return_code;
}
/*
* ======== 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)
{
int sockfd, ret;
WOLFSSL_CTX* ctx;
WOLFSSL* ssl;
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) {
printf("inet_pton error\n");
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) {
printf("Connection Error\n");
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);
/* tell wolfSSL that nonblocking is going to be used */
wolfSSL_set_using_nonblock(ssl, 1);
/* invokes the fcntl callable service to get the file status
* flags for a file. checks if it returns an error, if it does
* stop program */
int flags = fcntl(sockfd, F_GETFL, 0);
if (flags < 0) {
printf("fcntl get failed\n");
return 1;
}
/* invokes the fcntl callable service to set file status flags.
* Do not block an open, a read, or a write on the file
* (do not wait for terminal input. If an error occurs,
* stop program*/
flags = fcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
if (flags < 0) {
printf("fcntl set failed\n");
return 1;
}
/* setting up and running nonblocking socket */
ret = NonBlockingSSL_Connect(ssl);
if (ret != 0) {
return 1;
}
/* takes inputting string and outputs it to the server */
ret = SendReceive(ssl);
if (ret != 0) {
return 1;
}
/* cleanup */
wolfSSL_free(ssl);
/* when completely done using SSL/TLS, free the
* wolfssl_ctx object */
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
return ret;
}
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
}
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 main(int argc, char **argv)
{
int ret, sockfd;
WOLFSSL* ssl;
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) {
printf("inet_pton error\n");
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) {
printf("Connection Error\n");
return 1;
}
/* creat wolfssl object after each tcp connct */
if ( (ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "wolfSSL_new error.\n");
return 1;
}
/* associate the file descriptor with the session */
ret = wolfSSL_set_fd(ssl, sockfd);
if (ret != SSL_SUCCESS){
return 1;
}
/* takes inputting string and outputs it to the server */
ret = SendReceive(ssl);
if(ret != 0){
return 1;
}
/* cleanup */
wolfSSL_free(ssl);
/* when completely done using SSL/TLS, free the
* wolfssl_ctx object */
wolfSSL_CTX_free(ctx);
wolfSSL_Cleanup();
/* exit client */
return ret;
}
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;
}
