| /* client.c |
| * |
| * Copyright (C) 2006-2012 Sawtooth Consulting Ltd. |
| * |
| * This file is part of CyaSSL. |
| * |
| * CyaSSL 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. |
| * |
| * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <cyassl/ssl.h> |
| #include <cyassl/test.h> |
| |
| /* |
| #define TEST_RESUME |
| */ |
| |
| |
| #ifdef CYASSL_CALLBACKS |
| int handShakeCB(HandShakeInfo*); |
| int timeoutCB(TimeoutInfo*); |
| Timeval timeout; |
| #endif |
| |
| #if defined(NON_BLOCKING) || defined(CYASSL_CALLBACKS) |
| 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"); |
| } |
| #endif |
| |
| |
| static void Usage(void) |
| { |
| printf("client " LIBCYASSL_VERSION_STRING |
| " NOTE: All files relative to CyaSSL home dir\n"); |
| printf("-? Help, print this usage\n"); |
| printf("-h <host> Host to connect to, default %s\n", yasslIP); |
| printf("-p <num> Port to connect on, default %d\n", yasslPort); |
| printf("-v <num> SSL version [0-3], SSLv3(0) - TLS1.2(3)), default %d\n", |
| CLIENT_DEFAULT_VERSION); |
| printf("-l <str> Cipher list\n"); |
| printf("-c <file> Certificate file, default %s\n", cliCert); |
| printf("-k <file> Key file, default %s\n", cliKey); |
| printf("-A <file> Certificate Authority file, default %s\n", caCert); |
| printf("-b <num> Benchmark <num> connections and print stats\n"); |
| printf("-s Use pre Shared keys\n"); |
| printf("-d Disable peer checks\n"); |
| printf("-g Send server HTTP GET\n"); |
| printf("-u Use UDP DTLS\n"); |
| printf("-m Match domain name in cert\n"); |
| } |
| |
| |
| 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 |
| |
| CyaSSL_shutdown(ssl); |
| 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); |
| CyaSSL_set_fd(sslResume, sockfd); |
| CyaSSL_set_session(sslResume, session); |
| |
| showPeer(sslResume); |
| if (CyaSSL_connect(sslResume) != SSL_SUCCESS) err_sys("SSL resume failed"); |
| |
| #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"); |
| |
| 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; |
| } |
| |
| |
| /* so overall tests can pull in test function */ |
| #ifndef NO_MAIN_DRIVER |
| |
| int main(int argc, char** argv) |
| { |
| func_args args; |
| |
| StartTCP(); |
| |
| args.argc = argc; |
| args.argv = argv; |
| |
| CyaSSL_Init(); |
| #ifdef DEBUG_CYASSL |
| CyaSSL_Debugging_ON(); |
| #endif |
| if (CurrentDir("client") || CurrentDir("build")) |
| ChangeDirBack(2); |
| |
| client_test(&args); |
| CyaSSL_Cleanup(); |
| |
| return args.return_code; |
| } |
| |
| int myoptind = 0; |
| char* myoptarg = NULL; |
| |
| #endif /* NO_MAIN_DRIVER */ |
| |
| |
| |
| #ifdef CYASSL_CALLBACKS |
| |
| int handShakeCB(HandShakeInfo* info) |
| { |
| |
| return 0; |
| } |
| |
| |
| int timeoutCB(TimeoutInfo* info) |
| { |
| |
| return 0; |
| } |
| |
| #endif |
| |
| |
