forked from wolfSSL/wolfssl
1.8.8 init
This commit is contained in:
Todd A Ouska
303
examples/client/client.c
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303
examples/client/client.c
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/* client.c */
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#include "ssl.h"
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#include "cyassl_test.h"
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/*
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#define TEST_RESUME
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*/
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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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#if defined(NON_BLOCKING) || defined(CYASSL_CALLBACKS)
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void NonBlockingSSL_Connect(SSL* ssl)
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{
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#ifndef CYASSL_CALLBACKS
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int ret = SSL_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 = SSL_get_error(ssl, 0);
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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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#ifdef USE_WINDOWS_API
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Sleep(100);
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#else
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sleep(1);
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#endif
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#ifndef CYASSL_CALLBACKS
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ret = SSL_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 = SSL_get_error(ssl, 0);
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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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#endif
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void client_test(void* args)
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{
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SOCKET_T sockfd = 0;
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SSL_METHOD* method = 0;
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SSL_CTX* ctx = 0;
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SSL* ssl = 0;
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#ifdef TEST_RESUME
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SSL* sslResume = 0;
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SSL_SESSION* session = 0;
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char resumeMsg[] = "resuming cyassl!";
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int resumeSz = sizeof(resumeMsg);
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#endif
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char msg[] = "hello cyassl!";
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char reply[1024];
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int input;
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int msgSz = sizeof(msg);
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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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#if defined(CYASSL_DTLS)
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method = DTLSv1_client_method();
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#elif !defined(NO_TLS)
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method = TLSv1_client_method();
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#else
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method = SSLv3_client_method();
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#endif
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ctx = SSL_CTX_new(method);
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#ifndef NO_PSK
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SSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
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#endif
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#ifdef OPENSSL_EXTRA
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SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
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#endif
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#ifndef NO_FILESYSTEM
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if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
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err_sys("can't load ca file");
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#ifdef HAVE_ECC
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if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
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err_sys("can't load ca file");
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#endif
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#else
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load_buffer(ctx, caCert, CYASSL_CA);
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#endif
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#ifdef VERIFY_CALLBACK
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SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
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#endif
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if (argc == 3) {
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/* ./client server securePort */
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SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); /* TODO: add ca cert */
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/* this is just to allow easy testing of other servers */
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tcp_connect(&sockfd, argv[1], (short)atoi(argv[2]));
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}
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else if (argc == 1) {
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/* ./client // plain mode */
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/* for client cert authentication if server requests */
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#ifndef NO_FILESYSTEM
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if (SSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load client cert file");
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if (SSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load client key file");
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#else
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load_buffer(ctx, cliCert, CYASSL_CERT);
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load_buffer(ctx, cliKey, CYASSL_KEY);
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#endif
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tcp_connect(&sockfd, yasslIP, yasslPort);
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}
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else if (argc == 2) {
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/* time passed in number of connects give average */
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int times = atoi(argv[1]);
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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, yasslIP, yasslPort);
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ssl = SSL_new(ctx);
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SSL_set_fd(ssl, sockfd);
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if (SSL_connect(ssl) != SSL_SUCCESS)
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err_sys("SSL_connect failed");
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SSL_shutdown(ssl);
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SSL_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("SSL_connect avg took:%6.3f milliseconds\n", avg);
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SSL_CTX_free(ctx);
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((func_args*)args)->return_code = 0;
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return;
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}
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else
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err_sys("usage: ./client server securePort");
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ssl = SSL_new(ctx);
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SSL_set_fd(ssl, sockfd);
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CyaSSL_check_domain_name(ssl, "www.yassl.com");
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#ifdef NON_BLOCKING
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tcp_set_nonblocking(&sockfd);
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NonBlockingSSL_Connect(ssl);
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#else
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#ifndef CYASSL_CALLBACKS
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if (SSL_connect(ssl) != SSL_SUCCESS) { /* see note at top of README */
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int err = SSL_get_error(ssl, 0);
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char buffer[80];
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printf("err = %d, %s\n", err, ERR_error_string(err, buffer));
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err_sys("SSL_connect failed");/* 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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#endif
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showPeer(ssl);
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if (argc == 3) {
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printf("SSL connect ok, sending GET...\n");
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strncpy(msg, "GET\r\n", 6);
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msgSz = 6;
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}
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if (SSL_write(ssl, msg, msgSz) != msgSz)
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err_sys("SSL_write failed");
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input = SSL_read(ssl, reply, sizeof(reply));
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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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}
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#ifdef TEST_RESUME
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#ifdef CYASSL_DTLS
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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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SSL_write(ssl, msg, msgSz);
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#endif
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session = SSL_get_session(ssl);
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sslResume = SSL_new(ctx);
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#endif
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SSL_shutdown(ssl);
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SSL_free(ssl);
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CloseSocket(sockfd);
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#ifdef TEST_RESUME
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#ifdef CYASSL_DTLS
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#ifdef USE_WINDOWS_API
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Sleep(500);
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#else
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sleep(1);
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#endif
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#endif
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if (argc == 3)
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tcp_connect(&sockfd, argv[1], (short)atoi(argv[2]));
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else
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tcp_connect(&sockfd, yasslIP, yasslPort);
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SSL_set_fd(sslResume, sockfd);
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SSL_set_session(sslResume, session);
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showPeer(sslResume);
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if (SSL_connect(sslResume) != SSL_SUCCESS) err_sys("SSL resume failed");
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#ifdef OPENSSL_EXTRA
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if (SSL_session_reused(sslResume))
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printf("reused session id\n");
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else
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printf("didn't reuse session id!!!\n");
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#endif
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if (SSL_write(sslResume, resumeMsg, resumeSz) != resumeSz)
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err_sys("SSL_write failed");
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input = SSL_read(sslResume, reply, sizeof(reply));
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if (input > 0) {
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reply[input] = 0;
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printf("Server resume response: %s\n", reply);
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}
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/* try to send session break */
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SSL_write(sslResume, msg, msgSz);
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SSL_shutdown(sslResume);
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SSL_free(sslResume);
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#endif /* TEST_RESUME */
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SSL_CTX_free(ctx);
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CloseSocket(sockfd);
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((func_args*)args)->return_code = 0;
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}
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/* so overall tests can pull in test function */
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#ifndef NO_MAIN_DRIVER
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int main(int argc, char** argv)
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{
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func_args args;
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StartTCP();
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args.argc = argc;
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args.argv = argv;
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InitCyaSSL();
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#ifdef DEBUG_CYASSL
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CyaSSL_Debugging_ON();
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#endif
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client_test(&args);
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FreeCyaSSL();
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return args.return_code;
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}
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#endif /* NO_MAIN_DRIVER */
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#ifdef CYASSL_CALLBACKS
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int handShakeCB(HandShakeInfo* info)
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{
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return 0;
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}
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int timeoutCB(TimeoutInfo* info)
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{
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return 0;
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}
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#endif
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