/*
* clients initial contact with server. (socket to connect, security layer)
*/
int ClientGreet(int sock, CYASSL* ssl)
{
/* data to send to the server, data recieved from the server */
char sendBuff[MAXDATASIZE], rcvBuff[MAXDATASIZE] = {0};
int ret = 0; /* variable for error checking */
printf("Message for server:\t");
fgets(sendBuff, MAXDATASIZE, stdin);
if (CyaSSL_write(ssl, sendBuff, strlen(sendBuff)) != strlen(sendBuff)) {
/* the message is not able to send, or error trying */
ret = CyaSSL_get_error(ssl, 0);
printf("Write error: Error: %i\n", ret);
return EXIT_FAILURE;
}
if (CyaSSL_read(ssl, rcvBuff, MAXDATASIZE) < 0) {
/* the server failed to send data, or error trying */
ret = CyaSSL_get_error(ssl, 0);
printf("Read error. Error: %i\n", ret);
return EXIT_FAILURE;
}
printf("Recieved: \t%s\n", rcvBuff);
return ret;
}
void NonBlockingSSL_Connect(CYASSL* ssl)
{
#ifndef CYASSL_CALLBACKS
int ret = CyaSSL_connect(ssl);
#else
int ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout);
#endif
int error = CyaSSL_get_error(ssl, 0);
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
if (error == SSL_ERROR_WANT_READ)
printf("... client would read block\n");
else
printf("... client would write block\n");
#ifdef USE_WINDOWS_API
Sleep(100);
#else
sleep(1);
#endif
#ifndef CYASSL_CALLBACKS
ret = CyaSSL_connect(ssl);
#else
ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout);
#endif
error = CyaSSL_get_error(ssl, 0);
}
if (ret != SSL_SUCCESS)
err_sys("SSL_connect failed");
}
static void NonBlockingSSL_Connect(CYASSL* ssl)
{
#ifndef CYASSL_CALLBACKS
int ret = CyaSSL_connect(ssl);
#else
int ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout);
#endif
int error = CyaSSL_get_error(ssl, 0);
SOCKET_T sockfd = (SOCKET_T)CyaSSL_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 CYASSL_DTLS
currTimeout = CyaSSL_dtls_get_current_timeout(ssl);
#endif
select_ret = tcp_select(sockfd, currTimeout);
if ((select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
#ifndef CYASSL_CALLBACKS
ret = CyaSSL_connect(ssl);
#else
ret = CyaSSL_connect_ex(ssl,handShakeCB,timeoutCB,timeout);
#endif
error = CyaSSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT && !CyaSSL_dtls(ssl)) {
error = SSL_ERROR_WANT_READ;
}
#ifdef CYASSL_DTLS
else if (select_ret == TEST_TIMEOUT && CyaSSL_dtls(ssl) &&
CyaSSL_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");
}
/* Send and receive function */
void DatagramClient (CYASSL* ssl)
{
int n = 0;
char sendLine[MAXLINE], recvLine[MAXLINE - 1];
while (fgets(sendLine, MAXLINE, stdin) != NULL) {
if ( ( CyaSSL_write(ssl, sendLine, strlen(sendLine))) !=
strlen(sendLine)) {
printf("SSL_write failed");
}
n = CyaSSL_read(ssl, recvLine, sizeof(recvLine)-1);
if (n < 0) {
int readErr = CyaSSL_get_error(ssl, 0);
if(readErr != SSL_ERROR_WANT_READ) {
printf("CyaSSL_read failed");
}
}
recvLine[n] = '\0';
fputs(recvLine, stdout);
}
}
static int capwap_crypt_handshake(struct capwap_dtls* dtls) {
int result;
ASSERT(dtls != NULL);
ASSERT(dtls->enable != 0);
ASSERT((dtls->action == CAPWAP_DTLS_ACTION_NONE) || (dtls->action == CAPWAP_DTLS_ACTION_HANDSHAKE));
/* */
if (dtls->dtlscontext->type == CAPWAP_DTLS_SERVER) {
result = CyaSSL_accept((CYASSL*)dtls->sslsession);
} else {
result = CyaSSL_connect((CYASSL*)dtls->sslsession);
}
/* */
if (result != SSL_SUCCESS) {
result = CyaSSL_get_error((CYASSL*)dtls->sslsession, 0);
if ((result == SSL_ERROR_WANT_READ) || (result == SSL_ERROR_WANT_WRITE)) {
/* Incomplete handshake */
dtls->action = CAPWAP_DTLS_ACTION_HANDSHAKE;
return CAPWAP_HANDSHAKE_CONTINUE;
}
/* Handshake error */
dtls->action = CAPWAP_DTLS_ACTION_ERROR;
return CAPWAP_HANDSHAKE_ERROR;
}
/* Handshake complete */
dtls->action = CAPWAP_DTLS_ACTION_DATA;
return CAPWAP_HANDSHAKE_COMPLETE;
}
int capwap_decrypt_packet(struct capwap_dtls* dtls, void* encrybuffer, int size, void* plainbuffer, int maxsize) {
int sslerror;
int result = -1;
char* clone = NULL;
ASSERT(dtls != NULL);
ASSERT(dtls->enable != 0);
ASSERT((dtls->action == CAPWAP_DTLS_ACTION_HANDSHAKE) || (dtls->action == CAPWAP_DTLS_ACTION_DATA));
ASSERT(dtls->buffer == NULL);
ASSERT(dtls->length == 0);
ASSERT(encrybuffer != NULL);
ASSERT(size > 0);
ASSERT(maxsize > 0);
/* */
if (!plainbuffer) {
clone = capwap_clone(encrybuffer, size);
}
dtls->buffer = (clone ? clone : encrybuffer);
dtls->length = size;
/* */
if (dtls->action == CAPWAP_DTLS_ACTION_HANDSHAKE) {
if (capwap_crypt_handshake(dtls) == CAPWAP_HANDSHAKE_ERROR) {
capwap_logging_debug("Error in DTLS handshake");
result = CAPWAP_ERROR_CLOSE; /* Error handshake */
} else {
result = CAPWAP_ERROR_AGAIN; /* Don't parsing DTLS packet */
}
} else if (dtls->action == CAPWAP_DTLS_ACTION_DATA) {
result = CyaSSL_read((CYASSL*)dtls->sslsession, (plainbuffer ? plainbuffer : encrybuffer), maxsize);
if (!result) {
dtls->action = CAPWAP_DTLS_ACTION_SHUTDOWN;
result = CAPWAP_ERROR_SHUTDOWN;
} else if (result < 0) {
/* Check error */
sslerror = CyaSSL_get_error((CYASSL*)dtls->sslsession, 0);
if ((sslerror == SSL_ERROR_WANT_READ) || (sslerror == SSL_ERROR_WANT_WRITE)) {
result = CAPWAP_ERROR_AGAIN; /* DTLS Renegotiation */
} else {
result = CAPWAP_ERROR_CLOSE;
}
}
}
/* Verify BIO read */
ASSERT(dtls->buffer == NULL);
ASSERT(dtls->length == 0);
/* Free clone */
if (clone) {
capwap_free(clone);
}
return result;
}
static int perform_get_test(int sockfd) {
char buffer[CYASSL_MAX_ERROR_SZ];
char reply[HTTP_BUF_SIZE];
int err, ret, input;
if (CyaSSL_Init() < 0)
err_sys("Unable to init ssl library");
CYASSL_METHOD *method;
method = CyaTLSv1_client_method();
if (method == NULL) {
err_sys("Unable to get method");
}
CYASSL_CTX *ctx = 0;
ctx = CyaSSL_CTX_new(method);
if (ctx == NULL) {
err_sys("Unable to get ctx");
}
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
CYASSL* ssl = 0;
ssl = CyaSSL_new(ctx);
if (ssl == NULL) {
err_sys("Unable to get ssl obj");
}
if (CyaSSL_set_fd(ssl, sockfd) != SSL_SUCCESS) {
err_sys("Can't set fd");
}
ret = CyaSSL_connect(ssl);
if (ret != SSL_SUCCESS) {
err = CyaSSL_get_error(ssl, 0);
}
if (ret != SSL_SUCCESS) {
LOG_E("err = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
err_sys("cyaSSL_connect failed");
}
if (CyaSSL_write(ssl, msg, sizeof(msg)) != sizeof(msg)) {
err_sys("SSL_write failed");
};
input = CyaSSL_read(ssl, reply, sizeof(reply));
if (input > 0) {
if (!memcmp(reply, msg_200_ok, sizeof(msg_200_ok) - 1)) {
return 0;
} else {
return -1;
}
}
return -1;
}
/*
* Pulled in from examples/server/server.c
* Function to handle nonblocking. Loops until tcp_select notifies that it's
* ready for action.
*/
int NonBlockingSSL(CYASSL* ssl)
{
int ret;
int error;
int select_ret;
int sockfd = CyaSSL_get_fd(ssl);
ret = CyaSSL_accept(ssl);
error = CyaSSL_get_error(ssl, 0);
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
int currTimeout = 1;
/* print out for user notification */
if (error == SSL_ERROR_WANT_READ)
printf("... server would read block\n");
else
printf("... server would write block\n");
select_ret = tcp_select(sockfd, currTimeout);
/* if tcp_select signals ready try to accept otherwise continue loop*/
if ((select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
ret = CyaSSL_accept(ssl);
error = CyaSSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT) {
error = SSL_ERROR_WANT_READ;
}
else {
error = SSL_FATAL_ERROR;
}
}
/* faliure to accept */
if (ret != SSL_SUCCESS) {
printf("Fatal error : SSL_accept failed\n");
ret = SSL_FATAL_ERROR;
}
return ret;
}
/* Connect using Nonblocking - DTLS version */
static void NonBlockingDTLS_Connect(CYASSL* ssl)
{
int ret = CyaSSL_connect(ssl);
int error = CyaSSL_get_error(ssl, 0);
int sockfd = (int)CyaSSL_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");
currTimeout = CyaSSL_dtls_get_current_timeout(ssl);
select_ret = dtls_select(sockfd, currTimeout);
if ( ( select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
ret = CyaSSL_connect(ssl);
error = CyaSSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT && !CyaSSL_dtls(ssl)) {
error = 2;
}
else if (select_ret == TEST_TIMEOUT && CyaSSL_dtls(ssl) &&
CyaSSL_dtls_got_timeout(ssl) >= 0) {
error = 2;
}
else{
error = SSL_FATAL_ERROR;
}
}
if (ret != SSL_SUCCESS) {
printf("SSL_connect failed with");
}
}
/*
* Handles response to client.
*/
int respond(struct epoll_event povent, int epollfd)
{
int n; /* length of string read */
char buf[MAXLINE]; /* string read from client */
struct client_ssl* info = povent.data.ptr;
int sockfd = info->fd;
CyaSSL_accept(info->ssl);
CyaSSL_get_error(info->ssl, 0);
memset(buf, 0, MAXLINE);
n = CyaSSL_read(info->ssl, buf, MAXLINE);
if (n > 0) {
printf("%s\n", buf);
if (CyaSSL_write(info->ssl, buf, strlen(buf)) != strlen(buf)) {
printf("write error");
}
}
if (n < 0) {
if (errno != EAGAIN) {
printf("respond: read error\n");
numCon--;
CyaSSL_shutdown(info->ssl);
CyaSSL_free(info->ssl);
free(info);
epoll_ctl(epollfd, EPOLL_CTL_DEL, sockfd, &povent);
printf("disconected client that had error\n");
return 1;
}
return 0;
}
if (n == 0) {
numCon--;
CyaSSL_shutdown(info->ssl);
CyaSSL_free(info->ssl);
free(info);
epoll_ctl(epollfd, EPOLL_CTL_DEL, sockfd, &povent);
printf("a client has disconected\n");
}
return 0;
}
inline static void DIE( const char msg[], CYASSL* cyaSSLObject )
{
char* err_buffer = 0;
char buffer[ 256 ] = { '\0' };
int err = errno;
debug_fmt( "exiting: %s", msg );
err_buffer = strerror( err );
debug_fmt( "errno: %s", err_buffer );
if( cyaSSLObject != 0 )
{
int cyaErr = CyaSSL_get_error( cyaSSLObject, 0 );
CyaSSL_ERR_error_string( cyaErr, buffer );
debug_fmt( "CyaSSLErr: %d -> %s", cyaErr, buffer );
}
exit( -1 );
}
int main (int argc, char** argv)
{
int sockfd = 0;
struct sockaddr_in servAddr;
const char* host = argv[1];
CYASSL* ssl = 0;
CYASSL_CTX* ctx = 0;
CYASSL* sslResume = 0;
CYASSL_SESSION* session = 0;
char* srTest = "testing session resume";
char cert_array[] = "../certs/ca-cert.pem";
char* certs = cert_array;
if (argc != 2) {
printf("usage: udpcli <IP address>\n");
return 1;
}
CyaSSL_Init();
/* CyaSSL_Debugging_ON(); */
if ( (ctx = CyaSSL_CTX_new(CyaDTLSv1_2_client_method())) == NULL) {
fprintf(stderr, "CyaSSL_CTX_new error.\n");
return 1;
}
if (CyaSSL_CTX_load_verify_locations(ctx, certs, 0) != SSL_SUCCESS) {
fprintf(stderr, "Error loading %s, please check the file.\n", certs);
return 1;
}
ssl = CyaSSL_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;
}
CyaSSL_dtls_set_peer(ssl, &servAddr, sizeof(servAddr));
if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("cannot create a socket.");
return 1;
}
CyaSSL_set_fd(ssl, sockfd);
if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
int err1 = CyaSSL_get_error(ssl, 0);
char buffer[80];
printf("err = %d, %s\n", err1, CyaSSL_ERR_error_string(err1, buffer));
printf("SSL_connect failed");
return 1;
}
DatagramClient(ssl);
CyaSSL_write(ssl, srTest, sizeof(srTest));
session = CyaSSL_get_session(ssl);
sslResume = CyaSSL_new(ctx);
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
close(sockfd);
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;
}
CyaSSL_dtls_set_peer(sslResume, &servAddr, sizeof(servAddr));
if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
printf("cannot create a socket.");
return 1;
}
CyaSSL_set_fd(sslResume, sockfd);
CyaSSL_set_session(sslResume, session);
if (CyaSSL_connect(sslResume) != SSL_SUCCESS) {
printf("SSL_connect failed");
return 1;
}
if(CyaSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
DatagramClient(sslResume);
CyaSSL_write(sslResume, srTest, sizeof(srTest));
CyaSSL_shutdown(sslResume);
CyaSSL_free(sslResume);
close(sockfd);
CyaSSL_CTX_free(ctx);
CyaSSL_Cleanup();
return 0;
}
THREAD_RETURN CYASSL_THREAD client_test(void* args)
{
SOCKET_T sockfd = 0;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
CYASSL* ssl = 0;
CYASSL* sslResume = 0;
CYASSL_SESSION* session = 0;
char resumeMsg[] = "resuming cyassl!";
int resumeSz = sizeof(resumeMsg);
char msg[32] = "hello cyassl!"; /* GET may make bigger */
char reply[80];
int input;
int msgSz = (int)strlen(msg);
int port = yasslPort;
char* host = (char*)yasslIP;
char* domain = (char*)"www.yassl.com";
int ch;
int version = CLIENT_INVALID_VERSION;
int usePsk = 0;
int sendGET = 0;
int benchmark = 0;
int doDTLS = 0;
int matchName = 0;
int doPeerCheck = 1;
int nonBlocking = 0;
int resumeSession = 0;
int trackMemory = 0;
int useClientCert = 1;
int fewerPackets = 0;
int atomicUser = 0;
int pkCallbacks = 0;
char* cipherList = NULL;
char* verifyCert = (char*)caCert;
char* ourCert = (char*)cliCert;
char* ourKey = (char*)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;
StackTrap();
while ((ch = mygetopt(argc, argv,
"?gdusmNrtfxUPh:p:v:l:A:c:k:b:zS:L:ToO:")) != -1) {
switch (ch) {
case '?' :
Usage();
exit(EXIT_SUCCESS);
case 'g' :
sendGET = 1;
break;
case 'd' :
doPeerCheck = 0;
break;
case 'u' :
doDTLS = 1;
break;
case 's' :
usePsk = 1;
break;
case 't' :
#ifdef USE_CYASSL_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 = 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 'z' :
#ifndef CYASSL_LEANPSK
CyaSSL_GetObjectSize();
#endif
break;
case 'S' :
#ifdef HAVE_SNI
sniHostName = myoptarg;
#endif
break;
case 'L' :
#ifdef HAVE_MAX_FRAGMENT
maxFragment = atoi(myoptarg);
if (maxFragment < CYASSL_MFL_2_9 ||
maxFragment > CYASSL_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;
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_CYASSL_MEMORY
if (trackMemory)
InitMemoryTracker();
#endif
switch (version) {
#ifndef NO_OLD_TLS
case 0:
method = CyaSSLv3_client_method();
break;
#ifndef NO_TLS
case 1:
method = CyaTLSv1_client_method();
break;
case 2:
method = CyaTLSv1_1_client_method();
break;
#endif /* NO_TLS */
#endif /* NO_OLD_TLS */
#ifndef NO_TLS
case 3:
method = CyaTLSv1_2_client_method();
break;
#endif
#ifdef CYASSL_DTLS
case -1:
method = CyaDTLSv1_client_method();
break;
case -2:
method = CyaDTLSv1_2_client_method();
break;
#endif
default:
err_sys("Bad SSL version");
break;
}
if (method == NULL)
err_sys("unable to get method");
ctx = CyaSSL_CTX_new(method);
if (ctx == NULL)
err_sys("unable to get ctx");
if (cipherList)
if (CyaSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
err_sys("client can't set cipher list 1");
#ifdef CYASSL_LEANPSK
usePsk = 1;
#endif
#if defined(NO_RSA) && !defined(HAVE_ECC)
usePsk = 1;
#endif
if (fewerPackets)
CyaSSL_CTX_set_group_messages(ctx);
if (usePsk) {
#ifndef NO_PSK
CyaSSL_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 (CyaSSL_CTX_set_cipher_list(ctx,defaultCipherList) !=SSL_SUCCESS)
err_sys("client can't set cipher list 2");
}
#endif
useClientCert = 0;
}
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
if (cipherList == NULL) {
/* don't use EDH, can't sniff tmp keys */
if (CyaSSL_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) {
CyaSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl);
CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE
| CYASSL_OCSP_URL_OVERRIDE);
}
else
CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE);
}
#endif
#ifdef USER_CA_CB
CyaSSL_CTX_SetCACb(ctx, CaCb);
#endif
#ifdef VERIFY_CALLBACK
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
#endif
#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
if (useClientCert){
if (CyaSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS)
err_sys("can't load client cert file, check file and run from"
" CyaSSL home dir");
if (CyaSSL_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 CyaSSL home dir");
}
if (!usePsk) {
if (CyaSSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from CyaSSL home dir");
}
#endif
#if !defined(NO_CERTS)
if (!usePsk && doPeerCheck == 0)
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
#endif
#ifdef HAVE_CAVIUM
CyaSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID);
#endif
#ifdef HAVE_SNI
if (sniHostName)
if (CyaSSL_CTX_UseSNI(ctx, 0, sniHostName, XSTRLEN(sniHostName))
!= SSL_SUCCESS)
err_sys("UseSNI failed");
#endif
#ifdef HAVE_MAX_FRAGMENT
if (maxFragment)
if (CyaSSL_CTX_UseMaxFragment(ctx, maxFragment) != SSL_SUCCESS)
err_sys("UseMaxFragment failed");
#endif
#ifdef HAVE_TRUNCATED_HMAC
if (truncatedHMAC)
if (CyaSSL_CTX_UseTruncatedHMAC(ctx) != SSL_SUCCESS)
err_sys("UseTruncatedHMAC 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 = CyaSSL_new(ctx);
CyaSSL_set_fd(ssl, sockfd);
if (CyaSSL_connect(ssl) != SSL_SUCCESS)
err_sys("SSL_connect failed");
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
CloseSocket(sockfd);
}
avg = current_time() - start;
avg /= times;
avg *= 1000; /* milliseconds */
printf("CyaSSL_connect avg took: %8.3f milliseconds\n", avg);
CyaSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
exit(EXIT_SUCCESS);
}
#if defined(CYASSL_MDK_ARM)
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
#endif
ssl = CyaSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
if (doDTLS) {
SOCKADDR_IN_T addr;
build_addr(&addr, host, port, 1);
CyaSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, host, port, 0);
}
CyaSSL_set_fd(ssl, sockfd);
#ifdef HAVE_CRL
if (CyaSSL_EnableCRL(ssl, CYASSL_CRL_CHECKALL) != SSL_SUCCESS)
err_sys("can't enable crl check");
if (CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS)
err_sys("can't load crl, check crlfile and date validity");
if (CyaSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
err_sys("can't set crl callback");
#endif
#ifdef ATOMIC_USER
if (atomicUser)
SetupAtomicUser(ctx, ssl);
#endif
#ifdef HAVE_PK_CALLBACKS
if (pkCallbacks)
SetupPkCallbacks(ctx, ssl);
#endif
if (matchName && doPeerCheck)
CyaSSL_check_domain_name(ssl, domain);
#ifndef CYASSL_CALLBACKS
if (nonBlocking) {
CyaSSL_set_using_nonblock(ssl, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(ssl);
}
else if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
/* see note at top of README */
int err = CyaSSL_get_error(ssl, 0);
char buffer[CYASSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err,
CyaSSL_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);
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 (CyaSSL_write(ssl, msg, msgSz) != msgSz)
err_sys("SSL_write failed");
input = CyaSSL_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 = CyaSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
}
else if (input < 0) {
int readErr = CyaSSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ)
err_sys("CyaSSL_read failed");
}
#ifndef NO_SESSION_CACHE
if (resumeSession) {
if (doDTLS) {
strncpy(msg, "break", 6);
msgSz = (int)strlen(msg);
/* try to send session close */
CyaSSL_write(ssl, msg, msgSz);
}
session = CyaSSL_get_session(ssl);
sslResume = CyaSSL_new(ctx);
}
#endif
if (doDTLS == 0) /* don't send alert after "break" command */
CyaSSL_shutdown(ssl); /* echoserver will interpret as new conn */
#ifdef ATOMIC_USER
if (atomicUser)
FreeAtomicUser(ssl);
#endif
CyaSSL_free(ssl);
CloseSocket(sockfd);
#ifndef NO_SESSION_CACHE
if (resumeSession) {
if (doDTLS) {
SOCKADDR_IN_T addr;
#ifdef USE_WINDOWS_API
Sleep(500);
#else
sleep(1);
#endif
build_addr(&addr, host, port, 1);
CyaSSL_dtls_set_peer(sslResume, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, host, port, 0);
}
CyaSSL_set_fd(sslResume, sockfd);
CyaSSL_set_session(sslResume, session);
showPeer(sslResume);
#ifndef CYASSL_CALLBACKS
if (nonBlocking) {
CyaSSL_set_using_nonblock(sslResume, 1);
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(sslResume);
}
else if (CyaSSL_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 (CyaSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
if (CyaSSL_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);
#else
sleep(1);
#endif
}
input = CyaSSL_read(sslResume, reply, sizeof(reply)-1);
if (input > 0) {
reply[input] = 0;
printf("Server resume response: %s\n", reply);
}
/* try to send session break */
CyaSSL_write(sslResume, msg, msgSz);
CyaSSL_shutdown(sslResume);
CyaSSL_free(sslResume);
CloseSocket(sockfd);
}
#endif /* NO_SESSION_CACHE */
CyaSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
#ifdef USE_CYASSL_MEMORY
if (trackMemory)
ShowMemoryTracker();
#endif /* USE_CYASSL_MEMORY */
return 0;
}
static void verify_SNI_abort_on_client(CYASSL* ssl)
{
AssertIntEQ(FATAL_ERROR, CyaSSL_get_error(ssl, 0));
}
static void verify_SNI_abort_on_server(CYASSL* ssl)
{
AssertIntEQ(UNKNOWN_SNI_HOST_NAME_E, CyaSSL_get_error(ssl, 0));
}
static THREAD_RETURN CYASSL_THREAD run_cyassl_server(void* args)
{
callback_functions* callbacks = ((func_args*)args)->callbacks;
CYASSL_CTX* ctx = CyaSSL_CTX_new(callbacks->method());
CYASSL* ssl = NULL;
SOCKET_T sfd = 0;
SOCKET_T cfd = 0;
word16 port = yasslPort;
char msg[] = "I hear you fa shizzle!";
int len = (int) XSTRLEN(msg);
char input[1024];
int idx;
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
#if defined(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API) && \
!defined(CYASSL_SNIFFER) && !defined(CYASSL_MDK_SHELL) && \
!defined(CYASSL_TIRTOS)
port = 0;
#endif
CyaSSL_CTX_set_verify(ctx,
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
AssertIntEQ(SSL_SUCCESS, CyaSSL_CTX_load_verify_locations(ctx, cliCert, 0));
AssertIntEQ(SSL_SUCCESS,
CyaSSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM));
AssertIntEQ(SSL_SUCCESS,
CyaSSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM));
if (callbacks->ctx_ready)
callbacks->ctx_ready(ctx);
ssl = CyaSSL_new(ctx);
tcp_accept(&sfd, &cfd, (func_args*)args, port, 0, 0);
CloseSocket(sfd);
CyaSSL_set_fd(ssl, cfd);
#ifdef NO_PSK
#if !defined(NO_FILESYSTEM) && !defined(NO_DH)
CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM);
#elif !defined(NO_DH)
SetDH(ssl); /* will repick suites with DHE, higher priority than PSK */
#endif
#endif
if (callbacks->ssl_ready)
callbacks->ssl_ready(ssl);
/* AssertIntEQ(SSL_SUCCESS, CyaSSL_accept(ssl)); */
if (CyaSSL_accept(ssl) != SSL_SUCCESS) {
int err = CyaSSL_get_error(ssl, 0);
char buffer[CYASSL_MAX_ERROR_SZ];
printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
} else {
if (0 < (idx = CyaSSL_read(ssl, input, sizeof(input)-1))) {
input[idx] = 0;
printf("Client message: %s\n", input);
}
AssertIntEQ(len, CyaSSL_write(ssl, msg, len));
#ifdef CYASSL_TIRTOS
Task_yield();
#endif
CyaSSL_shutdown(ssl);
}
if (callbacks->on_result)
callbacks->on_result(ssl);
CyaSSL_free(ssl);
CyaSSL_CTX_free(ctx);
CloseSocket(cfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
#if defined(NO_MAIN_DRIVER) && defined(HAVE_ECC) && defined(FP_ECC) \
&& defined(HAVE_THREAD_LS)
ecc_fp_free(); /* free per thread cache */
#endif
#ifndef CYASSL_TIRTOS
return 0;
#endif
}
static void run_cyassl_client(void* args)
{
callback_functions* callbacks = ((func_args*)args)->callbacks;
CYASSL_CTX* ctx = CyaSSL_CTX_new(callbacks->method());
CYASSL* ssl = NULL;
SOCKET_T sfd = 0;
char msg[] = "hello cyassl server!";
int len = (int) XSTRLEN(msg);
char input[1024];
int idx;
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
AssertIntEQ(SSL_SUCCESS, CyaSSL_CTX_load_verify_locations(ctx, caCert, 0));
AssertIntEQ(SSL_SUCCESS,
CyaSSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM));
AssertIntEQ(SSL_SUCCESS,
CyaSSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM));
if (callbacks->ctx_ready)
callbacks->ctx_ready(ctx);
tcp_connect(&sfd, yasslIP, ((func_args*)args)->signal->port, 0);
ssl = CyaSSL_new(ctx);
CyaSSL_set_fd(ssl, sfd);
if (callbacks->ssl_ready)
callbacks->ssl_ready(ssl);
if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
int err = CyaSSL_get_error(ssl, 0);
char buffer[CYASSL_MAX_ERROR_SZ];
printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
} else {
AssertIntEQ(len, CyaSSL_write(ssl, msg, len));
if (0 < (idx = CyaSSL_read(ssl, input, sizeof(input)-1))) {
input[idx] = 0;
printf("Server response: %s\n", input);
}
}
if (callbacks->on_result)
callbacks->on_result(ssl);
CyaSSL_free(ssl);
CyaSSL_CTX_free(ctx);
CloseSocket(sfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
}
static THREAD_RETURN CYASSL_THREAD test_server_nofail(void* args)
{
SOCKET_T sockfd = 0;
SOCKET_T clientfd = 0;
word16 port = yasslPort;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
CYASSL* ssl = 0;
char msg[] = "I hear you fa shizzle!";
char input[1024];
int idx;
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
method = CyaSSLv23_server_method();
ctx = CyaSSL_CTX_new(method);
#if defined(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API) && \
!defined(CYASSL_SNIFFER) && !defined(CYASSL_MDK_SHELL) && \
!defined(CYASSL_TIRTOS)
port = 0;
#endif
CyaSSL_CTX_set_verify(ctx,
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
if (CyaSSL_CTX_load_verify_locations(ctx, cliCert, 0) != SSL_SUCCESS)
{
/*err_sys("can't load ca file, Please run from CyaSSL home dir");*/
goto done;
}
if (CyaSSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load server cert chain file, "
"Please run from CyaSSL home dir");*/
goto done;
}
if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load server key file, "
"Please run from CyaSSL home dir");*/
goto done;
}
ssl = CyaSSL_new(ctx);
tcp_accept(&sockfd, &clientfd, (func_args*)args, port, 0, 0);
CloseSocket(sockfd);
CyaSSL_set_fd(ssl, clientfd);
#ifdef NO_PSK
#if !defined(NO_FILESYSTEM) && !defined(NO_DH)
CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM);
#elif !defined(NO_DH)
SetDH(ssl); /* will repick suites with DHE, higher priority than PSK */
#endif
#endif
if (CyaSSL_accept(ssl) != SSL_SUCCESS)
{
int err = CyaSSL_get_error(ssl, 0);
char buffer[CYASSL_MAX_ERROR_SZ];
printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
/*err_sys("SSL_accept failed");*/
goto done;
}
idx = CyaSSL_read(ssl, input, sizeof(input)-1);
if (idx > 0) {
input[idx] = 0;
printf("Client message: %s\n", input);
}
if (CyaSSL_write(ssl, msg, sizeof(msg)) != sizeof(msg))
{
/*err_sys("SSL_write failed");*/
#ifdef CYASSL_TIRTOS
return;
#else
return 0;
#endif
}
#ifdef CYASSL_TIRTOS
Task_yield();
#endif
done:
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
CyaSSL_CTX_free(ctx);
CloseSocket(clientfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
#if defined(NO_MAIN_DRIVER) && defined(HAVE_ECC) && defined(FP_ECC) \
&& defined(HAVE_THREAD_LS)
ecc_fp_free(); /* free per thread cache */
#endif
#ifndef CYASSL_TIRTOS
return 0;
#endif
}
static void test_client_nofail(void* args)
{
SOCKET_T sockfd = 0;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
CYASSL* ssl = 0;
char msg[64] = "hello cyassl!";
char reply[1024];
int input;
int msgSz = (int)strlen(msg);
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
((func_args*)args)->return_code = TEST_FAIL;
method = CyaSSLv23_client_method();
ctx = CyaSSL_CTX_new(method);
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
if (CyaSSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
{
/* err_sys("can't load ca file, Please run from CyaSSL home dir");*/
goto done2;
}
if (CyaSSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load client cert file, "
"Please run from CyaSSL home dir");*/
goto done2;
}
if (CyaSSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load client key file, "
"Please run from CyaSSL home dir");*/
goto done2;
}
tcp_connect(&sockfd, yasslIP, ((func_args*)args)->signal->port, 0);
ssl = CyaSSL_new(ctx);
CyaSSL_set_fd(ssl, sockfd);
if (CyaSSL_connect(ssl) != SSL_SUCCESS)
{
int err = CyaSSL_get_error(ssl, 0);
char buffer[CYASSL_MAX_ERROR_SZ];
printf("err = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
/*printf("SSL_connect failed");*/
goto done2;
}
if (CyaSSL_write(ssl, msg, msgSz) != msgSz)
{
/*err_sys("SSL_write failed");*/
goto done2;
}
input = CyaSSL_read(ssl, reply, sizeof(reply)-1);
if (input > 0)
{
reply[input] = 0;
printf("Server response: %s\n", reply);
}
done2:
CyaSSL_free(ssl);
CyaSSL_CTX_free(ctx);
CloseSocket(sockfd);
((func_args*)args)->return_code = TEST_SUCCESS;
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
return;
}
/*
* ======== 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";
CYASSL* ssl = (CYASSL *) arg0;
fdOpenSession(TaskSelf());
CyaSSL_Init();
CYASSL_CTX* ctx = NULL;
ctx = CyaSSL_CTX_new(CyaTLSv1_2_client_method());
if (ctx == 0) {
System_printf("tcpHandler: CyaSSL_CTX_new error.\n");
exitApp(ctx);
}
if (CyaSSL_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 cyassl/certs_test.h file.\n");
exitApp(ctx);
}
if (CyaSSL_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 cyassl/certs_test.h file.\n");
exitApp(ctx);
}
if (CyaSSL_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 cyassl/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 = CyaSSL_new(ctx)) == NULL) {
System_printf("tcpHandler: CyaSSL_new error.\n");
exitApp(ctx);
}
CyaSSL_set_fd(ssl, sockfd);
ret = CyaSSL_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 = CyaSSL_get_error(ssl, 0);
System_printf("CyaSSL error: %d\n", err);
System_printf("CyaSSL error string: %s\n", CyaSSL_ERR_error_string(err, err_buffer));
END_LINE */
if (ret == SSL_SUCCESS) {
sockfd = CyaSSL_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 (CyaSSL_write(ssl, msg, strlen(msg)) != strlen(msg)) {
ret = CyaSSL_get_error(ssl, 0);
System_printf("Write error: %i.\n", ret);
}
while (internal_flag) {
nbytes = CyaSSL_read(ssl, (char *) buffer, TCPPACKETSIZE);
if (nbytes > 0) {
internal_flag = false;
}
}
/* success */
System_printf("Heard: \"%s\".\n", buffer);
CyaSSL_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 {
CyaSSL_free(ssl);
fdClose((SOCKET) sockfd);
System_printf("CyaSSL_connect failed.\n");
fdCloseSession(TaskSelf());
exitApp(ctx);
}
}
THREAD_RETURN CYASSL_THREAD test_server_nofail(void* args)
{
SOCKET_T sockfd = 0;
int clientfd = 0;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
CYASSL* ssl = 0;
char msg[] = "I hear you fa shizzle!";
char input[1024];
int idx;
((func_args*)args)->return_code = TEST_FAIL;
method = CyaSSLv23_server_method();
ctx = CyaSSL_CTX_new(method);
CyaSSL_CTX_set_verify(ctx,
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
if (CyaSSL_CTX_load_verify_locations(ctx, cliCert, 0) != SSL_SUCCESS)
{
/*err_sys("can't load ca file, Please run from CyaSSL home dir");*/
goto done;
}
if (CyaSSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load server cert chain file, "
"Please run from CyaSSL home dir");*/
goto done;
}
if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
{
/*err_sys("can't load server key file, "
"Please run from CyaSSL home dir");*/
goto done;
}
ssl = CyaSSL_new(ctx);
tcp_accept(&sockfd, &clientfd, (func_args*)args, yasslPort, 0, 0);
CloseSocket(sockfd);
CyaSSL_set_fd(ssl, clientfd);
#ifdef NO_PSK
#if !defined(NO_FILESYSTEM) && defined(OPENSSL_EXTRA)
CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM);
#else
SetDH(ssl); /* will repick suites with DHE, higher priority than PSK */
#endif
#endif
if (CyaSSL_accept(ssl) != SSL_SUCCESS)
{
int err = CyaSSL_get_error(ssl, 0);
char buffer[80];
printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
/*err_sys("SSL_accept failed");*/
goto done;
}
idx = CyaSSL_read(ssl, input, sizeof(input)-1);
if (idx > 0) {
input[idx] = 0;
printf("Client message: %s\n", input);
}
if (CyaSSL_write(ssl, msg, sizeof(msg)) != sizeof(msg))
{
/*err_sys("SSL_write failed");*/
return 0;
}
done:
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
CyaSSL_CTX_free(ctx);
CloseSocket(clientfd);
((func_args*)args)->return_code = TEST_SUCCESS;
return 0;
}
static int main_handle(
short* cs
, CYASSL* cya_obj
, Conn_t* conn
, const char* data
, const size_t data_size )
{
assert( cya_obj != 0 && conn != 0 && "cya_obj and conn must not be null at the same time!" );
// locals that must exist through yields
static int state = 0;
static size_t data_sent = 0;
static size_t data_recv = 0;
static char recv_buffer[ 256 ] = { '\0' };
int valopt = 0;
socklen_t lon = sizeof( int );
BEGIN_CORO( *cs )
// restarted
state = SSL_SUCCESS;
// first part of the coroutine is about connecting to the endpoint
{
if( connect( conn->sock_fd, ( struct sockaddr* ) &conn->endpoint_addr, sizeof( conn->endpoint_addr ) ) == 0 )
{
EXIT( *cs, -1 );
}
}
debug_log( "Connecting..." );
int errval = errno;
if( errval != EINPROGRESS )
{
debug_log( "Connection failed" );
return -1;
}
YIELD( *cs, ( int ) WANT_WRITE );
if( getsockopt( conn->sock_fd, SOL_SOCKET, SO_ERROR, ( void* )( &valopt ), &lon ) < 0 )
{
debug_fmt( "Error while getsockopt %s", strerror( errno ) );
return -1;
}
if ( valopt )
{
debug_fmt( "Error while connecting %s", strerror( valopt ) );
return -1;
}
debug_fmt( "Connected! state = %d", state );
// part two is actually to do the ssl handshake
{
do
{
if( state == SSL_ERROR_WANT_READ )
{
YIELD( *cs, ( int ) WANT_READ );
}
if( state == SSL_ERROR_WANT_WRITE )
{
YIELD( *cs, ( int ) WANT_WRITE );
}
debug_log( "Connecting SSL..." );
int ret = CyaSSL_connect( cya_obj );
state = ret <= 0 ? CyaSSL_get_error( cya_obj, ret ) : ret;
debug_fmt( "Connecting SSL state [%d][%d][%d]", state, ret, ( int ) SSL_SUCCESS );
} while( state != SSL_SUCCESS && ( state == SSL_ERROR_WANT_READ || state == SSL_ERROR_WANT_WRITE ) );
// we've connected or failed
if( state != SSL_SUCCESS )
{
// something went wrong
EXIT( *cs, -1 );
}
}
// part three sending a message
{
data_sent = 0;
do
{
do
{
if( state == SSL_ERROR_WANT_READ )
{
YIELD( *cs, ( int ) WANT_READ );
}
if( state == SSL_ERROR_WANT_WRITE )
{
YIELD( *cs, ( int ) WANT_WRITE );
}
size_t offset = data_sent;
size_t size_left = data_size - data_sent;
debug_fmt( "Sending SSL... data_size = [%zu], data_sent = [%zu]", data_size, data_sent );
int ret = CyaSSL_write( cya_obj, data + offset, size_left );
state = ret <= 0 ? CyaSSL_get_error( cya_obj, ret ) : SSL_SUCCESS;
debug_fmt( "Sending SSL state state = [%d], ret = [%d]", state, ret );
if( ret > 0 ) { data_sent += ret; }
} while( data_sent < data_size && state == SSL_SUCCESS );
} while( state != SSL_SUCCESS && ( state == SSL_ERROR_WANT_READ || state == SSL_ERROR_WANT_WRITE ) );
if( state != SSL_SUCCESS )
{
debug_log( "Exiting" );
EXIT( *cs, -1 );
}
}
// part four receive
{
do
{
do
{
if( state == SSL_ERROR_WANT_READ )
{
YIELD( *cs, ( int ) WANT_READ );
}
if( state == SSL_ERROR_WANT_WRITE )
{
YIELD( *cs, ( int ) WANT_WRITE );
}
int ret = CyaSSL_read( cya_obj, recv_buffer, sizeof( recv_buffer ) - 1 );
state = ret <= 0 ? CyaSSL_get_error( cya_obj, ret ) : SSL_SUCCESS;
if( ret > 0 )
{
recv_buffer[ ret ] = '\0';
debug_fmt( "<<<%s>>>", recv_buffer );
debug_fmt( "Received SSL... size = [%d], state = [%d]", ret, state );
data_recv = ret;
}
} while( data_recv == sizeof( recv_buffer ) - 1 && state == SSL_SUCCESS );
} while( state != SSL_SUCCESS && ( state == SSL_ERROR_WANT_READ || state == SSL_ERROR_WANT_WRITE ) );
if( state != SSL_SUCCESS )
{
EXIT( *cs, -1 );
}
}
RESTART( *cs, 0 );
END_CORO()
}
void* ThreadControl(void* openSock)
{
pthread_detach(pthread_self());
threadArgs* args = (threadArgs*)openSock;
int recvLen = 0; /* length of message */
int activefd = args->activefd; /* the active descriptor */
int msgLen = args->size; /* the size of message */
unsigned char buff[msgLen]; /* the incoming message */
char ack[] = "I hear you fashizzle!\n";
CYASSL* ssl;
memcpy(buff, args->b, msgLen);
/* Create the CYASSL Object */
if ((ssl = CyaSSL_new(ctx)) == NULL) {
printf("CyaSSL_new error.\n");
cleanup = 1;
return NULL;
}
/* set the session ssl to client connection port */
CyaSSL_set_fd(ssl, activefd);
if (CyaSSL_accept(ssl) != SSL_SUCCESS) {
int e = CyaSSL_get_error(ssl, 0);
printf("error = %d, %s\n", e, CyaSSL_ERR_reason_error_string(e));
printf("SSL_accept failed.\n");
return NULL;
}
if ((recvLen = CyaSSL_read(ssl, buff, msgLen-1)) > 0) {
printf("heard %d bytes\n", recvLen);
buff[recvLen] = 0;
printf("I heard this: \"%s\"\n", buff);
}
else if (recvLen < 0) {
int readErr = CyaSSL_get_error(ssl, 0);
if(readErr != SSL_ERROR_WANT_READ) {
printf("SSL_read failed.\n");
cleanup = 1;
return NULL;
}
}
if (CyaSSL_write(ssl, ack, sizeof(ack)) < 0) {
printf("CyaSSL_write fail.\n");
cleanup = 1;
return NULL;
}
else {
printf("Sending reply.\n");
}
printf("reply sent \"%s\"\n", ack);
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
close(activefd);
free(openSock); /* valgrind friendly free */
printf("Client left return to idle state\n");
printf("Exiting thread.\n\n");
pthread_exit(openSock);
}
int AcceptAndRead(CYASSL_CTX* ctx, socklen_t sockfd, struct sockaddr_in
clientAddr)
{
/* Create our reply message */
const char reply[] = "I hear ya fa shizzle!\n";
socklen_t size = sizeof(clientAddr);
/* Wait until a client connects */
socklen_t connd = accept(sockfd, (struct sockaddr *)&clientAddr, &size);
/* If fails to connect,int loop back up and wait for a new connection */
if (connd == -1) {
printf("failed to accept the connection..\n");
}
/* If it connects, read in and reply to the client */
else {
printf("Client connected successfully\n");
CYASSL* ssl;
if ( (ssl = CyaSSL_new(ctx)) == NULL) {
fprintf(stderr, "CyaSSL_new error.\n");
exit(EXIT_FAILURE);
}
/* direct our ssl to our clients connection */
CyaSSL_set_fd(ssl, connd);
printf("Using Non-Blocking I/O: %d\n", CyaSSL_get_using_nonblock(
ssl));
for ( ; ; ) {
char buff[256];
int ret = 0;
/* Clear the buffer memory for anything possibly left over */
memset(&buff, 0, sizeof(buff));
/* Read the client data into our buff array */
if ((ret = CyaSSL_read(ssl, buff, sizeof(buff)-1)) > 0) {
/* Print any data the client sends to the console */
printf("Client: %s\n", buff);
/* Reply back to the client */
if ((ret = CyaSSL_write(ssl, reply, sizeof(reply)-1))
< 0)
{
printf("CyaSSL_write error = %d\n", CyaSSL_get_error(ssl, ret));
}
}
/* if the client disconnects break the loop */
else {
if (ret < 0)
printf("CyaSSL_read error = %d\n", CyaSSL_get_error(ssl
,ret));
else if (ret == 0)
printf("The client has closed the connection.\n");
break;
}
}
CyaSSL_free(ssl); /* Free the CYASSL object */
}
close(connd); /* close the connected socket */
return 0;
}
void client_test(void* args)
{
SOCKET_T sockfd = 0;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
CYASSL* ssl = 0;
#ifdef TEST_RESUME
CYASSL* sslResume = 0;
CYASSL_SESSION* session = 0;
char resumeMsg[] = "resuming cyassl!";
int resumeSz = sizeof(resumeMsg);
#endif
char msg[64] = "hello cyassl!";
char reply[1024];
int input;
int msgSz = strlen(msg);
int port = yasslPort;
char* host = (char*)yasslIP;
char* domain = "www.yassl.com";
int ch;
int version = CLIENT_DEFAULT_VERSION;
int usePsk = 0;
int sendGET = 0;
int benchmark = 0;
int doDTLS = 0;
int matchName = 0;
int doPeerCheck = 1;
char* cipherList = NULL;
char* verifyCert = (char*)caCert;
char* ourCert = (char*)cliCert;
char* ourKey = (char*)cliKey;
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
((func_args*)args)->return_code = -1; /* error state */
while ((ch = mygetopt(argc, argv, "?gdusmh:p:v:l:A:c:k:b:")) != -1) {
switch (ch) {
case '?' :
Usage();
exit(EXIT_SUCCESS);
case 'g' :
sendGET = 1;
break;
case 'd' :
doPeerCheck = 0;
break;
case 'u' :
doDTLS = 1;
version = -1; /* DTLS flag */
break;
case 's' :
usePsk = 1;
break;
case 'm' :
matchName = 1;
break;
case 'h' :
host = myoptarg;
domain = myoptarg;
break;
case 'p' :
port = atoi(myoptarg);
break;
case 'v' :
version = atoi(myoptarg);
if (version < 0 || version > 3) {
Usage();
exit(MY_EX_USAGE);
}
if (doDTLS)
version = -1; /* DTLS flag */
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;
default:
Usage();
exit(MY_EX_USAGE);
}
}
argc -= myoptind;
argv += myoptind;
myoptind = 0; /* reset for test cases */
switch (version) {
case 0:
method = CyaSSLv3_client_method();
break;
case 1:
method = CyaTLSv1_client_method();
break;
case 2:
method = CyaTLSv1_1_client_method();
break;
case 3:
method = CyaTLSv1_2_client_method();
break;
#ifdef CYASSL_DTLS
case -1:
method = CyaDTLSv1_client_method();
break;
#endif
default:
err_sys("Bad SSL version");
}
if (method == NULL)
err_sys("unable to get method");
ctx = CyaSSL_CTX_new(method);
if (ctx == NULL)
err_sys("unable to get ctx");
if (cipherList)
if (CyaSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
err_sys("can't set cipher list");
#ifndef NO_PSK
if (usePsk)
CyaSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
#endif
#ifdef OPENSSL_EXTRA
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
/* don't use EDH, can't sniff tmp keys */
if (cipherList == NULL)
if (CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA") != SSL_SUCCESS)
err_sys("can't set cipher list");
#endif
#ifdef USER_CA_CB
CyaSSL_CTX_SetCACb(ctx, CaCb);
#endif
#ifdef VERIFY_CALLBACK
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
#endif
if (CyaSSL_CTX_use_certificate_file(ctx, ourCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client cert file, check file and run from"
" CyaSSL home dir");
if (CyaSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client cert file, check file and run from"
" CyaSSL home dir");
if (CyaSSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from CyaSSL home dir");
if (doPeerCheck == 0)
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
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 = CyaSSL_new(ctx);
CyaSSL_set_fd(ssl, sockfd);
if (CyaSSL_connect(ssl) != SSL_SUCCESS)
err_sys("SSL_connect failed");
CyaSSL_shutdown(ssl);
CyaSSL_free(ssl);
CloseSocket(sockfd);
}
avg = current_time() - start;
avg /= times;
avg *= 1000; /* milliseconds */
printf("CyaSSL_connect avg took: %8.3f milliseconds\n", avg);
CyaSSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
exit(EXIT_SUCCESS);
}
tcp_connect(&sockfd, host, port, doDTLS);
ssl = CyaSSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL object");
CyaSSL_set_fd(ssl, sockfd);
#ifdef HAVE_CRL
if (CyaSSL_EnableCRL(ssl, CYASSL_CRL_CHECKALL) != SSL_SUCCESS)
err_sys("can't enable crl check");
if (CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS)
err_sys("can't load crl, check crlfile and date validity");
if (CyaSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
err_sys("can't set crl callback");
#endif
if (matchName && doPeerCheck)
CyaSSL_check_domain_name(ssl, domain);
#ifdef NON_BLOCKING
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(ssl);
#else
#ifndef CYASSL_CALLBACKS
if (CyaSSL_connect(ssl) != SSL_SUCCESS) {/* see note at top of README */
int err = CyaSSL_get_error(ssl, 0);
char buffer[80];
printf("err = %d, %s\n", err, CyaSSL_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
#endif
showPeer(ssl);
if (sendGET) {
printf("SSL connect ok, sending GET...\n");
msgSz = 28;
strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz);
}
if (CyaSSL_write(ssl, msg, msgSz) != msgSz)
err_sys("SSL_write failed");
input = CyaSSL_read(ssl, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("Server response: %s\n", reply);
if (sendGET) { /* get html */
while (1) {
input = CyaSSL_read(ssl, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
}
#ifdef TEST_RESUME
if (doDTLS) {
strncpy(msg, "break", 6);
msgSz = (int)strlen(msg);
/* try to send session close */
CyaSSL_write(ssl, msg, msgSz);
}
session = CyaSSL_get_session(ssl);
sslResume = CyaSSL_new(ctx);
#endif
if (doDTLS == 0) /* don't send alert after "break" command */
CyaSSL_shutdown(ssl); /* echoserver will interpret as new conn */
CyaSSL_free(ssl);
CloseSocket(sockfd);
#ifdef TEST_RESUME
if (doDTLS) {
#ifdef USE_WINDOWS_API
Sleep(500);
#else
sleep(1);
#endif
}
tcp_connect(&sockfd, host, port, doDTLS);
CyaSSL_set_fd(sslResume, sockfd);
CyaSSL_set_session(sslResume, session);
showPeer(sslResume);
#ifdef NON_BLOCKING
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(sslResume);
#else
#ifndef CYASSL_CALLBACKS
if (CyaSSL_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
#endif
#ifdef OPENSSL_EXTRA
if (CyaSSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
#endif
if (CyaSSL_write(sslResume, resumeMsg, resumeSz) != resumeSz)
err_sys("SSL_write failed");
#ifdef NON_BLOCKING
/* need to give server a chance to bounce a message back to client */
#ifdef USE_WINDOWS_API
Sleep(500);
#else
sleep(1);
#endif
#endif
input = CyaSSL_read(sslResume, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("Server resume response: %s\n", reply);
}
/* try to send session break */
CyaSSL_write(sslResume, msg, msgSz);
CyaSSL_shutdown(sslResume);
CyaSSL_free(sslResume);
#endif /* TEST_RESUME */
CyaSSL_CTX_free(ctx);
CloseSocket(sockfd);
((func_args*)args)->return_code = 0;
}
THREAD_RETURN CYASSL_THREAD echoserver_test(void* args)
{
SOCKET_T sockfd = 0;
CYASSL_METHOD* method = 0;
CYASSL_CTX* ctx = 0;
int ret = 0;
int doDTLS = 0;
int doPSK = 0;
int outCreated = 0;
int shutDown = 0;
int useAnyAddr = 0;
word16 port;
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
#ifdef ECHO_OUT
FILE* fout = stdout;
if (argc >= 2) {
fout = fopen(argv[1], "w");
outCreated = 1;
}
if (!fout) err_sys("can't open output file");
#endif
(void)outCreated;
(void)argc;
(void)argv;
((func_args*)args)->return_code = -1; /* error state */
#ifdef CYASSL_DTLS
doDTLS = 1;
#endif
#ifdef CYASSL_LEANPSK
doPSK = 1;
#endif
#if defined(NO_RSA) && !defined(HAVE_ECC)
doPSK = 1;
#endif
#if defined(NO_MAIN_DRIVER) && !defined(CYASSL_SNIFFER) && \
!defined(WOLFSSL_MDK_SHELL) && !defined(CYASSL_TIRTOS) && \
!defined(USE_WINDOWS_API)
/* Let tcp_listen assign port */
port = 0;
#else
/* Use default port */
port = wolfSSLPort;
#endif
#if defined(USE_ANY_ADDR)
useAnyAddr = 1;
#endif
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
tcp_listen(&sockfd, &port, useAnyAddr, doDTLS, 0);
#if defined(CYASSL_DTLS)
method = CyaDTLSv1_2_server_method();
#elif !defined(NO_TLS)
method = CyaSSLv23_server_method();
#elif defined(WOLFSSL_ALLOW_SSLV3)
method = CyaSSLv3_server_method();
#else
#error "no valid server method built in"
#endif
ctx = CyaSSL_CTX_new(method);
/* CyaSSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); */
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \
defined(HAVE_POLY1305)
if (TicketInit() != 0)
err_sys("unable to setup Session Ticket Key context");
wolfSSL_CTX_set_TicketEncCb(ctx, myTicketEncCb);
#endif
#ifndef NO_FILESYSTEM
if (doPSK == 0) {
#if defined(HAVE_NTRU) && defined(WOLFSSL_STATIC_RSA)
/* ntru */
if (CyaSSL_CTX_use_certificate_file(ctx, ntruCertFile, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load ntru cert file, "
"Please run from wolfSSL home dir");
if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKeyFile)
!= SSL_SUCCESS)
err_sys("can't load ntru key file, "
"Please run from wolfSSL home dir");
#elif defined(HAVE_ECC) && !defined(CYASSL_SNIFFER)
/* ecc */
if (CyaSSL_CTX_use_certificate_file(ctx, eccCertFile, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server cert file, "
"Please run from wolfSSL home dir");
if (CyaSSL_CTX_use_PrivateKey_file(ctx, eccKeyFile, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server key file, "
"Please run from wolfSSL home dir");
#elif defined(NO_CERTS)
/* do nothing, just don't load cert files */
#else
/* normal */
if (CyaSSL_CTX_use_certificate_file(ctx, svrCertFile, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server cert file, "
"Please run from wolfSSL home dir");
if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKeyFile, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server key file, "
"Please run from wolfSSL home dir");
#endif
} /* doPSK */
#elif !defined(NO_CERTS)
if (!doPSK) {
load_buffer(ctx, svrCertFile, WOLFSSL_CERT);
load_buffer(ctx, svrKeyFile, WOLFSSL_KEY);
}
#endif
#if defined(CYASSL_SNIFFER)
/* don't use EDH, can't sniff tmp keys */
CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA");
#endif
if (doPSK) {
#ifndef NO_PSK
const char *defaultCipherList;
CyaSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb);
CyaSSL_CTX_use_psk_identity_hint(ctx, "cyassl server");
#ifdef HAVE_NULL_CIPHER
defaultCipherList = "PSK-NULL-SHA256";
#elif defined(HAVE_AESGCM) && !defined(NO_DH)
defaultCipherList = "DHE-PSK-AES128-GCM-SHA256";
#else
defaultCipherList = "PSK-AES128-CBC-SHA256";
#endif
if (CyaSSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS)
err_sys("server can't set cipher list 2");
#endif
}
#ifdef WOLFSSL_ASYNC_CRYPT
ret = wolfAsync_DevOpen(&devId);
if (ret != 0) {
err_sys("Async device open failed");
}
wolfSSL_CTX_UseAsync(ctx, devId);
#endif /* WOLFSSL_ASYNC_CRYPT */
SignalReady(args, port);
while (!shutDown) {
CYASSL* ssl = NULL;
CYASSL* write_ssl = NULL; /* may have separate w/ HAVE_WRITE_DUP */
char command[SVR_COMMAND_SIZE+1];
int echoSz = 0;
int clientfd;
int firstRead = 1;
int gotFirstG = 0;
int err = 0;
SOCKADDR_IN_T client;
socklen_t client_len = sizeof(client);
#ifndef CYASSL_DTLS
clientfd = accept(sockfd, (struct sockaddr*)&client,
(ACCEPT_THIRD_T)&client_len);
#else
clientfd = sockfd;
{
/* For DTLS, peek at the next datagram so we can get the client's
* address and set it into the ssl object later to generate the
* cookie. */
int n;
byte b[1500];
n = (int)recvfrom(clientfd, (char*)b, sizeof(b), MSG_PEEK,
(struct sockaddr*)&client, &client_len);
if (n <= 0)
err_sys("recvfrom failed");
}
#endif
if (WOLFSSL_SOCKET_IS_INVALID(clientfd)) err_sys("tcp accept failed");
ssl = CyaSSL_new(ctx);
if (ssl == NULL) err_sys("SSL_new failed");
CyaSSL_set_fd(ssl, clientfd);
#ifdef CYASSL_DTLS
wolfSSL_dtls_set_peer(ssl, &client, client_len);
#endif
#if !defined(NO_FILESYSTEM) && !defined(NO_DH) && !defined(NO_ASN)
CyaSSL_SetTmpDH_file(ssl, dhParamFile, SSL_FILETYPE_PEM);
#elif !defined(NO_DH)
SetDH(ssl); /* will repick suites with DHE, higher than PSK */
#endif
do {
#ifdef WOLFSSL_ASYNC_CRYPT
if (err == WC_PENDING_E) {
ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW);
if (ret < 0) { break; } else if (ret == 0) { continue; }
}
#endif
err = 0; /* Reset error */
ret = CyaSSL_accept(ssl);
if (ret != SSL_SUCCESS) {
err = CyaSSL_get_error(ssl, 0);
}
} while (ret != SSL_SUCCESS && err == WC_PENDING_E);
if (ret != SSL_SUCCESS) {
char buffer[CYASSL_MAX_ERROR_SZ];
err = CyaSSL_get_error(ssl, 0);
printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer));
printf("SSL_accept failed\n");
CyaSSL_free(ssl);
CloseSocket(clientfd);
continue;
}
#if defined(PEER_INFO)
showPeer(ssl);
#endif
#ifdef HAVE_WRITE_DUP
write_ssl = wolfSSL_write_dup(ssl);
if (write_ssl == NULL) {
printf("wolfSSL_write_dup failed\n");
CyaSSL_free(ssl);
CloseSocket(clientfd);
continue;
}
#else
write_ssl = ssl;
#endif
while ( (echoSz = CyaSSL_read(ssl, command, sizeof(command)-1)) > 0) {
if (firstRead == 1) {
firstRead = 0; /* browser may send 1 byte 'G' to start */
if (echoSz == 1 && command[0] == 'G') {
gotFirstG = 1;
continue;
}
}
else if (gotFirstG == 1 && strncmp(command, "ET /", 4) == 0) {
strncpy(command, "GET", 4);
/* fall through to normal GET */
}
if ( strncmp(command, "quit", 4) == 0) {
printf("client sent quit command: shutting down!\n");
shutDown = 1;
break;
}
if ( strncmp(command, "break", 5) == 0) {
printf("client sent break command: closing session!\n");
break;
}
#ifdef PRINT_SESSION_STATS
if ( strncmp(command, "printstats", 10) == 0) {
CyaSSL_PrintSessionStats();
break;
}
#endif
if ( strncmp(command, "GET", 3) == 0) {
char type[] = "HTTP/1.0 200 ok\r\nContent-type:"
" text/html\r\n\r\n";
char header[] = "<html><body BGCOLOR=\"#ffffff\">\n<pre>\n";
char body[] = "greetings from wolfSSL\n";
char footer[] = "</body></html>\r\n\r\n";
strncpy(command, type, sizeof(type));
echoSz = sizeof(type) - 1;
strncpy(&command[echoSz], header, sizeof(header));
echoSz += (int)sizeof(header) - 1;
strncpy(&command[echoSz], body, sizeof(body));
echoSz += (int)sizeof(body) - 1;
strncpy(&command[echoSz], footer, sizeof(footer));
echoSz += (int)sizeof(footer);
if (CyaSSL_write(write_ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
break;
}
command[echoSz] = 0;
#ifdef ECHO_OUT
fputs(command, fout);
#endif
if (CyaSSL_write(write_ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
}
#ifndef CYASSL_DTLS
CyaSSL_shutdown(ssl);
#endif
#ifdef HAVE_WRITE_DUP
CyaSSL_free(write_ssl);
#endif
CyaSSL_free(ssl);
CloseSocket(clientfd);
#ifdef CYASSL_DTLS
tcp_listen(&sockfd, &port, useAnyAddr, doDTLS, 0);
SignalReady(args, port);
#endif
}
CloseSocket(sockfd);
CyaSSL_CTX_free(ctx);
#ifdef ECHO_OUT
if (outCreated)
fclose(fout);
#endif
((func_args*)args)->return_code = 0;
#if defined(NO_MAIN_DRIVER) && defined(HAVE_ECC) && defined(FP_ECC) \
&& defined(HAVE_THREAD_LS)
ecc_fp_free(); /* free per thread cache */
#endif
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
#if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \
defined(HAVE_POLY1305)
TicketCleanup();
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
wolfAsync_DevClose(&devId);
#endif
#ifndef CYASSL_TIRTOS
return 0;
#endif
}
/**
* Perform an HTTPS request, caller frees both request and response,
* NULL returned on error.
* @param sockfd Socket to use, already connected
* @param req Request to send, fully formatted.
* @param hostname Hostname to use in https request. Caller frees.
* @return char Response as a string
*/
char *
https_get(const int sockfd, const char *req, const char *hostname)
{
ssize_t numbytes;
int done, nfds;
fd_set readfds;
struct timeval timeout;
unsigned long sslerr;
char sslerrmsg[CYASSL_MAX_ERROR_SZ];
size_t reqlen = strlen(req);
char readbuf[MAX_BUF];
char *retval;
pstr_t *response = pstr_new();
CYASSL *ssl = NULL;
CYASSL_CTX *ctx = NULL;
s_config *config;
config = config_get_config();
ctx = get_cyassl_ctx(hostname);
if (NULL == ctx) {
debug(LOG_ERR, "Could not get CyaSSL Context!");
goto error;
}
if (sockfd == -1) {
/* Could not connect to server */
debug(LOG_ERR, "Could not open socket to server!");
goto error;
}
/* Create CYASSL object */
if ((ssl = CyaSSL_new(ctx)) == NULL) {
debug(LOG_ERR, "Could not create CyaSSL context.");
goto error;
}
if (config->ssl_verify) {
// Turn on domain name check
// Loading of CA certificates and verification of remote host name
// go hand in hand - one is useless without the other.
CyaSSL_check_domain_name(ssl, hostname);
}
CyaSSL_set_fd(ssl, sockfd);
debug(LOG_DEBUG, "Sending HTTPS request to auth server: [%s]\n", req);
numbytes = CyaSSL_send(ssl, req, (int)reqlen, 0);
if (numbytes <= 0) {
sslerr = (unsigned long)CyaSSL_get_error(ssl, numbytes);
CyaSSL_ERR_error_string(sslerr, sslerrmsg);
debug(LOG_ERR, "CyaSSL_send failed: %s", sslerrmsg);
goto error;
} else if ((size_t) numbytes != reqlen) {
debug(LOG_ERR, "CyaSSL_send failed: only %d bytes out of %d bytes sent!", numbytes, reqlen);
goto error;
}
debug(LOG_DEBUG, "Reading response");
done = 0;
do {
FD_ZERO(&readfds);
FD_SET(sockfd, &readfds);
timeout.tv_sec = 30; /* XXX magic... 30 second is as good a timeout as any */
timeout.tv_usec = 0;
nfds = sockfd + 1;
nfds = select(nfds, &readfds, NULL, NULL, &timeout);
if (nfds > 0) {
/** We don't have to use FD_ISSET() because there
* was only one fd. */
memset(readbuf, 0, MAX_BUF);
numbytes = CyaSSL_read(ssl, readbuf, MAX_BUF - 1);
if (numbytes < 0) {
sslerr = (unsigned long)CyaSSL_get_error(ssl, numbytes);
CyaSSL_ERR_error_string(sslerr, sslerrmsg);
debug(LOG_ERR, "An error occurred while reading from server: %s", sslerrmsg);
goto error;
} else if (numbytes == 0) {
/* CyaSSL_read returns 0 on a clean shutdown or if the peer closed the
connection. We can't distinguish between these cases right now. */
done = 1;
} else {
readbuf[numbytes] = '\0';
pstr_cat(response, readbuf);
debug(LOG_DEBUG, "Read %d bytes", numbytes);
}
} else if (nfds == 0) {
debug(LOG_ERR, "Timed out reading data via select() from auth server");
goto error;
} else if (nfds < 0) {
debug(LOG_ERR, "Error reading data via select() from auth server: %s", strerror(errno));
goto error;
}
} while (!done);
close(sockfd);
CyaSSL_free(ssl);
retval = pstr_to_string(response);
debug(LOG_DEBUG, "HTTPS Response from Server: [%s]", retval);
return retval;
error:
if (ssl) {
CyaSSL_free(ssl);
}
if (sockfd >= 0) {
close(sockfd);
}
retval = pstr_to_string(response);
free(retval);
return NULL;
}
/* Checks if NonBlocking I/O is wanted, if it is wanted it will
* wait until it's available on the socket before reading or writing */
int NonBlocking_ReadWriteAccept(CYASSL* ssl, socklen_t socketfd,
enum read_write_t rw)
{
const char reply[] = "I hear ya fa shizzle!\n";
char buff[256];
int rwret = 0;
int selectRet;
int ret;
/* Clear the buffer memory for anything possibly left
over */
memset(&buff, 0, sizeof(buff));
if (rw == READ)
rwret = CyaSSL_read(ssl, buff, sizeof(buff)-1);
else if (rw == WRITE)
rwret = CyaSSL_write(ssl, reply, sizeof(reply)-1);
else if (rw == ACCEPT)
rwret = CyaSSL_accept(ssl);
if (rwret == 0) {
printf("The client has closed the connection!\n");
return 0;
}
else if (rwret != SSL_SUCCESS) {
int error = CyaSSL_get_error(ssl, 0);
/* while I/O is not ready, keep waiting */
while ((error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
if (error == SSL_ERROR_WANT_READ)
printf("... server would read block\n");
else
printf("... server would write block\n");
selectRet = TCPSelect(socketfd);
if ((selectRet == 1) || (selectRet == 2)) {
if (rw == READ)
rwret = CyaSSL_read(ssl, buff, sizeof(buff)-1);
else if (rw == WRITE)
rwret = CyaSSL_write(ssl, reply, sizeof(reply)-1);
else if (rw == ACCEPT)
rwret = CyaSSL_accept(ssl);
error = CyaSSL_get_error(ssl, 0);
}
else {
error = SSL_FATAL_ERROR;
return -1;
}
}
/* Print any data the client sends to the console */
if (rw == READ)
printf("Client: %s\n", buff);
/* Reply back to the client */
else if (rw == WRITE) {
if ((ret = CyaSSL_write(ssl, reply, sizeof(reply)-1)) < 0) {
printf("CyaSSL_write error = %d\n",
CyaSSL_get_error(ssl, ret));
}
}
}
return 1;
}
