690 lines
18 KiB
C
690 lines
18 KiB
C
/* client.c
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*
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* Copyright (C) 2006-2013 wolfSSL Inc.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <cyassl/ctaocrypt/settings.h>
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#if !defined(CYASSL_TRACK_MEMORY) && !defined(NO_MAIN_DRIVER)
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/* in case memory tracker wants stats */
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#define CYASSL_TRACK_MEMORY
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#endif
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#include <cyassl/ssl.h>
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#include <cyassl/test.h>
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#include "examples/client/client.h"
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#ifdef CYASSL_CALLBACKS
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int handShakeCB(HandShakeInfo*);
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int timeoutCB(TimeoutInfo*);
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Timeval timeout;
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#endif
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static void NonBlockingSSL_Connect(CYASSL* ssl)
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{
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#ifndef CYASSL_CALLBACKS
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int ret = CyaSSL_connect(ssl);
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#else
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int ret = CyaSSL_connect_ex(ssl, handShakeCB, timeoutCB, timeout);
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#endif
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int error = CyaSSL_get_error(ssl, 0);
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SOCKET_T sockfd = (SOCKET_T)CyaSSL_get_fd(ssl);
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int select_ret;
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while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
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error == SSL_ERROR_WANT_WRITE)) {
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if (error == SSL_ERROR_WANT_READ)
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printf("... client would read block\n");
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else
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printf("... client would write block\n");
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if (CyaSSL_dtls(ssl))
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select_ret = tcp_select(sockfd,
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CyaSSL_dtls_get_current_timeout(ssl));
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else
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select_ret = tcp_select(sockfd, 1);
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if ((select_ret == TEST_RECV_READY) ||
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(select_ret == TEST_ERROR_READY)) {
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#ifndef CYASSL_CALLBACKS
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ret = CyaSSL_connect(ssl);
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#else
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ret = CyaSSL_connect_ex(ssl,handShakeCB,timeoutCB,timeout);
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#endif
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error = CyaSSL_get_error(ssl, 0);
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}
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else if (select_ret == TEST_TIMEOUT &&
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(!CyaSSL_dtls(ssl) ||
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(CyaSSL_dtls_got_timeout(ssl) >= 0))) {
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error = SSL_ERROR_WANT_READ;
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}
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else {
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error = SSL_FATAL_ERROR;
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}
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}
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if (ret != SSL_SUCCESS)
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err_sys("SSL_connect failed");
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}
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static void Usage(void)
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{
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printf("client " LIBCYASSL_VERSION_STRING
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" NOTE: All files relative to CyaSSL home dir\n");
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printf("-? Help, print this usage\n");
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printf("-h <host> Host to connect to, default %s\n", yasslIP);
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printf("-p <num> Port to connect on, not 0, default %d\n", yasslPort);
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printf("-v <num> SSL version [0-3], SSLv3(0) - TLS1.2(3)), default %d\n",
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CLIENT_DEFAULT_VERSION);
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printf("-l <str> Cipher list\n");
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printf("-c <file> Certificate file, default %s\n", cliCert);
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printf("-k <file> Key file, default %s\n", cliKey);
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printf("-A <file> Certificate Authority file, default %s\n", caCert);
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printf("-b <num> Benchmark <num> connections and print stats\n");
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printf("-s Use pre Shared keys\n");
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printf("-t Track CyaSSL memory use\n");
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printf("-d Disable peer checks\n");
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printf("-g Send server HTTP GET\n");
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printf("-u Use UDP DTLS,"
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" add -v 2 for DTLSv1 (default), -v 3 for DTLSv1.2\n");
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printf("-m Match domain name in cert\n");
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printf("-N Use Non-blocking sockets\n");
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printf("-r Resume session\n");
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printf("-f Fewer packets/group messages\n");
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printf("-x Disable client cert/key loading\n");
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#ifdef SHOW_SIZES
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printf("-z Print structure sizes\n");
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#endif
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}
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THREAD_RETURN CYASSL_THREAD client_test(void* args)
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{
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SOCKET_T sockfd = 0;
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CYASSL_METHOD* method = 0;
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CYASSL_CTX* ctx = 0;
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CYASSL* ssl = 0;
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CYASSL* sslResume = 0;
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CYASSL_SESSION* session = 0;
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char resumeMsg[] = "resuming cyassl!";
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int resumeSz = sizeof(resumeMsg);
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char msg[32] = "hello cyassl!"; /* GET may make bigger */
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char reply[80];
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int input;
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int msgSz = (int)strlen(msg);
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int port = yasslPort;
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char* host = (char*)yasslIP;
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char* domain = (char*)"www.yassl.com";
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int ch;
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int version = CLIENT_INVALID_VERSION;
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int usePsk = 0;
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int sendGET = 0;
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int benchmark = 0;
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int doDTLS = 0;
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int matchName = 0;
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int doPeerCheck = 1;
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int nonBlocking = 0;
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int resumeSession = 0;
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int trackMemory = 0;
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int useClientCert = 1;
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int fewerPackets = 0;
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char* cipherList = NULL;
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char* verifyCert = (char*)caCert;
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char* ourCert = (char*)cliCert;
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char* ourKey = (char*)cliKey;
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int argc = ((func_args*)args)->argc;
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char** argv = ((func_args*)args)->argv;
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((func_args*)args)->return_code = -1; /* error state */
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#ifdef NO_RSA
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verifyCert = (char*)eccCert;
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ourCert = (char*)cliEccCert;
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ourKey = (char*)cliEccKey;
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#endif
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(void)resumeSz;
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(void)session;
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(void)sslResume;
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(void)trackMemory;
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while ((ch = mygetopt(argc, argv, "?gdusmNrtfxh:p:v:l:A:c:k:b:z")) != -1) {
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switch (ch) {
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case '?' :
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Usage();
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exit(EXIT_SUCCESS);
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case 'g' :
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sendGET = 1;
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break;
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case 'd' :
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doPeerCheck = 0;
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break;
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case 'u' :
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doDTLS = 1;
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break;
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case 's' :
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usePsk = 1;
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break;
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case 't' :
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#ifdef USE_CYASSL_MEMORY
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trackMemory = 1;
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#endif
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break;
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case 'm' :
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matchName = 1;
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break;
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case 'x' :
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useClientCert = 0;
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break;
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case 'f' :
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fewerPackets = 1;
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break;
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case 'h' :
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host = myoptarg;
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domain = myoptarg;
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break;
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case 'p' :
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port = atoi(myoptarg);
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#if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API)
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if (port == 0)
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err_sys("port number cannot be 0");
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#endif
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break;
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case 'v' :
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version = atoi(myoptarg);
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if (version < 0 || version > 3) {
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Usage();
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exit(MY_EX_USAGE);
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}
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break;
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case 'l' :
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cipherList = myoptarg;
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break;
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case 'A' :
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verifyCert = myoptarg;
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break;
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case 'c' :
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ourCert = myoptarg;
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break;
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case 'k' :
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ourKey = myoptarg;
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break;
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case 'b' :
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benchmark = atoi(myoptarg);
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if (benchmark < 0 || benchmark > 1000000) {
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Usage();
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exit(MY_EX_USAGE);
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}
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break;
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case 'N' :
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nonBlocking = 1;
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break;
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case 'r' :
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resumeSession = 1;
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break;
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case 'z' :
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#ifndef CYASSL_LEANPSK
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CyaSSL_GetObjectSize();
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#endif
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break;
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default:
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Usage();
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exit(MY_EX_USAGE);
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}
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}
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myoptind = 0; /* reset for test cases */
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/* sort out DTLS versus TLS versions */
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if (version == CLIENT_INVALID_VERSION) {
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if (doDTLS)
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version = CLIENT_DTLS_DEFAULT_VERSION;
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else
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version = CLIENT_DEFAULT_VERSION;
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}
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else {
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if (doDTLS) {
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if (version == 3)
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version = -2;
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else
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version = -1;
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}
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}
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#ifdef USE_CYASSL_MEMORY
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if (trackMemory)
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InitMemoryTracker();
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#endif
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switch (version) {
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#ifndef NO_OLD_TLS
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case 0:
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method = CyaSSLv3_client_method();
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break;
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case 1:
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method = CyaTLSv1_client_method();
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break;
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case 2:
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method = CyaTLSv1_1_client_method();
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break;
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#endif
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case 3:
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method = CyaTLSv1_2_client_method();
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break;
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#ifdef CYASSL_DTLS
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case -1:
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method = CyaDTLSv1_client_method();
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break;
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case -2:
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method = CyaDTLSv1_2_client_method();
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break;
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#endif
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default:
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err_sys("Bad SSL version");
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}
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if (method == NULL)
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err_sys("unable to get method");
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ctx = CyaSSL_CTX_new(method);
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if (ctx == NULL)
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err_sys("unable to get ctx");
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if (cipherList)
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if (CyaSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
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err_sys("client can't set cipher list 1");
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#ifdef CYASSL_LEANPSK
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usePsk = 1;
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#endif
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#if defined(NO_RSA) && !defined(HAVE_ECC)
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usePsk = 1;
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#endif
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if (fewerPackets)
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CyaSSL_CTX_set_group_messages(ctx);
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if (usePsk) {
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#ifndef NO_PSK
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CyaSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
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if (cipherList == NULL) {
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const char *defaultCipherList;
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#ifdef HAVE_NULL_CIPHER
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defaultCipherList = "PSK-NULL-SHA256";
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#else
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defaultCipherList = "PSK-AES128-CBC-SHA256";
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#endif
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if (CyaSSL_CTX_set_cipher_list(ctx,defaultCipherList) !=SSL_SUCCESS)
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err_sys("client can't set cipher list 2");
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}
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#endif
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useClientCert = 0;
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}
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#ifdef OPENSSL_EXTRA
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CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
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#endif
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#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
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if (cipherList == NULL) {
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/* don't use EDH, can't sniff tmp keys */
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if (CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) {
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err_sys("client can't set cipher list 3");
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}
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}
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#endif
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#ifdef USER_CA_CB
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CyaSSL_CTX_SetCACb(ctx, CaCb);
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#endif
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#ifdef VERIFY_CALLBACK
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CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
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#endif
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#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
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if (useClientCert){
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if (CyaSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS)
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err_sys("can't load client cert file, check file and run from"
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" CyaSSL home dir");
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if (CyaSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load client private key file, check file and run "
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"from CyaSSL home dir");
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}
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if (!usePsk) {
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if (CyaSSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS)
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err_sys("can't load ca file, Please run from CyaSSL home dir");
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}
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#endif
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#if !defined(NO_CERTS)
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if (!usePsk && doPeerCheck == 0)
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CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
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#endif
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#ifdef HAVE_CAVIUM
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CyaSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID);
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#endif
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if (benchmark) {
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/* time passed in number of connects give average */
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int times = benchmark;
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int i = 0;
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double start = current_time(), avg;
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for (i = 0; i < times; i++) {
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tcp_connect(&sockfd, host, port, doDTLS);
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ssl = CyaSSL_new(ctx);
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CyaSSL_set_fd(ssl, sockfd);
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if (CyaSSL_connect(ssl) != SSL_SUCCESS)
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err_sys("SSL_connect failed");
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CyaSSL_shutdown(ssl);
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CyaSSL_free(ssl);
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CloseSocket(sockfd);
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}
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avg = current_time() - start;
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avg /= times;
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avg *= 1000; /* milliseconds */
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printf("CyaSSL_connect avg took: %8.3f milliseconds\n", avg);
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CyaSSL_CTX_free(ctx);
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((func_args*)args)->return_code = 0;
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exit(EXIT_SUCCESS);
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}
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ssl = CyaSSL_new(ctx);
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if (ssl == NULL)
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err_sys("unable to get SSL object");
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if (doDTLS) {
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SOCKADDR_IN_T addr;
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build_addr(&addr, host, port, 1);
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CyaSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
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tcp_socket(&sockfd, 1);
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}
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else {
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tcp_connect(&sockfd, host, port, 0);
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}
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CyaSSL_set_fd(ssl, sockfd);
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#ifdef HAVE_CRL
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if (CyaSSL_EnableCRL(ssl, CYASSL_CRL_CHECKALL) != SSL_SUCCESS)
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err_sys("can't enable crl check");
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if (CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS)
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err_sys("can't load crl, check crlfile and date validity");
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if (CyaSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
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err_sys("can't set crl callback");
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#endif
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if (matchName && doPeerCheck)
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CyaSSL_check_domain_name(ssl, domain);
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#ifndef CYASSL_CALLBACKS
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if (nonBlocking) {
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CyaSSL_set_using_nonblock(ssl, 1);
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tcp_set_nonblocking(&sockfd);
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NonBlockingSSL_Connect(ssl);
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}
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else if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
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/* see note at top of README */
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int err = CyaSSL_get_error(ssl, 0);
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char buffer[80];
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printf("err = %d, %s\n", err,
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CyaSSL_ERR_error_string(err, buffer));
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err_sys("SSL_connect failed");
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/* if you're getting an error here */
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}
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#else
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timeout.tv_sec = 2;
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timeout.tv_usec = 0;
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NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
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#endif
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showPeer(ssl);
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if (sendGET) {
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printf("SSL connect ok, sending GET...\n");
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msgSz = 28;
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strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz);
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msg[msgSz] = '\0';
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}
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if (CyaSSL_write(ssl, msg, msgSz) != msgSz)
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err_sys("SSL_write failed");
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input = CyaSSL_read(ssl, reply, sizeof(reply)-1);
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if (input > 0) {
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reply[input] = 0;
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printf("Server response: %s\n", reply);
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if (sendGET) { /* get html */
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while (1) {
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input = CyaSSL_read(ssl, reply, sizeof(reply)-1);
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if (input > 0) {
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reply[input] = 0;
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printf("%s\n", reply);
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}
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else
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break;
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}
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}
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}
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else if (input < 0) {
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int readErr = CyaSSL_get_error(ssl, 0);
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if (readErr != SSL_ERROR_WANT_READ)
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err_sys("CyaSSL_read failed");
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}
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#ifndef NO_SESSION_CACHE
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if (resumeSession) {
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if (doDTLS) {
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strncpy(msg, "break", 6);
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msgSz = (int)strlen(msg);
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/* try to send session close */
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CyaSSL_write(ssl, msg, msgSz);
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}
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session = CyaSSL_get_session(ssl);
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sslResume = CyaSSL_new(ctx);
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}
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#endif
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|
|
|
if (doDTLS == 0) /* don't send alert after "break" command */
|
|
CyaSSL_shutdown(ssl); /* echoserver will interpret as new conn */
|
|
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;
|
|
}
|
|
|
|
|
|
/* 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();
|
|
#ifdef DEBUG_CYASSL
|
|
CyaSSL_Debugging_ON();
|
|
#endif
|
|
if (CurrentDir("client") || CurrentDir("build"))
|
|
ChangeDirBack(2);
|
|
|
|
#ifdef HAVE_STACK_SIZE
|
|
StackSizeCheck(&args, client_test);
|
|
#else
|
|
client_test(&args);
|
|
#endif
|
|
CyaSSL_Cleanup();
|
|
|
|
#ifdef HAVE_CAVIUM
|
|
CspShutdown(CAVIUM_DEV_ID);
|
|
#endif
|
|
return args.return_code;
|
|
}
|
|
|
|
int myoptind = 0;
|
|
char* myoptarg = NULL;
|
|
|
|
#endif /* NO_MAIN_DRIVER */
|
|
|
|
|
|
|
|
#ifdef CYASSL_CALLBACKS
|
|
|
|
int handShakeCB(HandShakeInfo* info)
|
|
{
|
|
(void)info;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int timeoutCB(TimeoutInfo* info)
|
|
{
|
|
(void)info;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|