/* echoclient.c
*
* Copyright (C) 2006-2015 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cyassl/ctaocrypt/settings.h>
/* let's use cyassl layer AND cyassl openssl layer */
#include <cyassl/ssl.h>
#include <cyassl/openssl/ssl.h>
#if defined(CYASSL_MDK_ARM)
#include <stdio.h>
#include <string.h>
#if defined(CYASSL_MDK5)
#include "cmsis_os.h"
#include "rl_fs.h"
#include "rl_net.h"
#else
#include "rtl.h"
#endif
#include "cyassl_MDK_ARM.h"
#endif
#include <cyassl/test.h>
#include "examples/echoclient/echoclient.h"
void echoclient_test(void* args)
{
SOCKET_T sockfd = 0;
FILE* fin = stdin ;
FILE* fout = stdout;
int inCreated = 0;
int outCreated = 0;
char msg[1024];
char reply[1024+1];
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
int doDTLS = 0;
int doPSK = 0;
int sendSz;
int argc = 0;
char** argv = 0;
word16 port = yasslPort;
((func_args*)args)->return_code = -1; /* error state */
#ifndef CYASSL_MDK_SHELL
argc = ((func_args*)args)->argc;
argv = ((func_args*)args)->argv;
#endif
if (argc >= 2) {
fin = fopen(argv[1], "r");
inCreated = 1;
}
if (argc >= 3) {
fout = fopen(argv[2], "w");
outCreated = 1;
}
if (!fin) err_sys("can't open input file");
if (!fout) err_sys("can't open output file");
#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(USE_WINDOWS_API) && !defined(CYASSL_MDK_SHELL)
port = ((func_args*)args)->signal->port;
#endif
#if defined(CYASSL_DTLS)
method = DTLSv1_2_client_method();
#elif !defined(NO_TLS)
method = CyaSSLv23_client_method();
#else
method = SSLv3_client_method();
#endif
ctx = SSL_CTX_new(method);
#ifndef NO_FILESYSTEM
#ifndef NO_RSA
if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
#endif
#ifdef HAVE_ECC
if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
#endif
#elif !defined(NO_CERTS)
if (!doPSK)
load_buffer(ctx, caCert, CYASSL_CA);
#endif
#if defined(CYASSL_SNIFFER)
/* don't use EDH, can't sniff tmp keys */
SSL_CTX_set_cipher_list(ctx, "AES256-SHA");
#endif
if (doPSK) {
#ifndef NO_PSK
const char *defaultCipherList;
CyaSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
#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
}
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if defined(CYASSL_MDK_ARM)
CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
#endif
ssl = SSL_new(ctx);
if (doDTLS) {
SOCKADDR_IN_T addr;
build_addr(&addr, yasslIP, port, 1);
CyaSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, yasslIP, port, 0);
}
SSL_set_fd(ssl, sockfd);
#if defined(USE_WINDOWS_API) && defined(CYASSL_DTLS) && defined(NO_MAIN_DRIVER)
/* let echoserver bind first, TODO: add Windows signal like pthreads does */
Sleep(100);
#endif
if (SSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed");
while (fgets(msg, sizeof(msg), fin) != 0) {
sendSz = (int)strlen(msg);
if (SSL_write(ssl, msg, sendSz) != sendSz)
err_sys("SSL_write failed");
if (strncmp(msg, "quit", 4) == 0) {
fputs("sending server shutdown command: quit!\n", fout);
break;
}
if (strncmp(msg, "break", 5) == 0) {
fputs("sending server session close: break!\n", fout);
break;
}
#ifndef CYASSL_MDK_SHELL
while (sendSz) {
int got;
if ( (got = SSL_read(ssl, reply, sizeof(reply)-1)) > 0) {
reply[got] = 0;
fputs(reply, fout);
fflush(fout) ;
sendSz -= got;
}
else
break;
}
#else
{
int got;
if ( (got = SSL_read(ssl, reply, sizeof(reply)-1)) > 0) {
reply[got] = 0;
fputs(reply, fout);
fflush(fout) ;
sendSz -= got;
}
}
#endif
}
#ifdef CYASSL_DTLS
strncpy(msg, "break", 6);
sendSz = (int)strlen(msg);
/* try to tell server done */
SSL_write(ssl, msg, sendSz);
#else
SSL_shutdown(ssl);
#endif
SSL_free(ssl);
SSL_CTX_free(ctx);
fflush(fout);
if (inCreated) fclose(fin);
if (outCreated) fclose(fout);
CloseSocket(sockfd);
((func_args*)args)->return_code = 0;
}
/* so overall tests can pull in test function */
#ifndef NO_MAIN_DRIVER
int main(int argc, char** argv)
{
func_args args;
#ifdef HAVE_CAVIUM
int ret = OpenNitroxDevice(CAVIUM_DIRECT, CAVIUM_DEV_ID);
if (ret != 0)
err_sys("Cavium OpenNitroxDevice failed");
#endif /* HAVE_CAVIUM */
StartTCP();
args.argc = argc;
args.argv = argv;
CyaSSL_Init();
#if defined(DEBUG_CYASSL) && !defined(CYASSL_MDK_SHELL)
CyaSSL_Debugging_ON();
#endif
#ifndef CYASSL_TIRTOS
if (CurrentDir("echoclient"))
ChangeDirBack(2);
else if (CurrentDir("Debug") || CurrentDir("Release"))
ChangeDirBack(3);
#endif
echoclient_test(&args);
CyaSSL_Cleanup();
#ifdef HAVE_CAVIUM
CspShutdown(CAVIUM_DEV_ID);
#endif
return args.return_code;
}
#endif /* NO_MAIN_DRIVER */