369 lines
10 KiB
C
369 lines
10 KiB
C
/* echoserver.c
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*
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* Copyright (C) 2006-2014 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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_MDK_ARM)
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#include <stdio.h>
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#include <string.h>
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#if defined(CYASSL_MDK5)
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#include "cmsis_os.h"
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#include "rl_fs.h"
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#include "rl_net.h"
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#else
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#include "rtl.h"
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#endif
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#include "cyassl_MDK_ARM.h"
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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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#ifndef NO_MAIN_DRIVER
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#define ECHO_OUT
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#endif
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#include "examples/echoserver/echoserver.h"
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#ifdef SESSION_STATS
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CYASSL_API void PrintSessionStats(void);
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#endif
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#define SVR_COMMAND_SIZE 256
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static void SignalReady(void* args, word16 port)
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{
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#if defined(_POSIX_THREADS) && defined(NO_MAIN_DRIVER) && !defined(__MINGW32__)
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/* signal ready to tcp_accept */
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func_args* server_args = (func_args*)args;
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tcp_ready* ready = server_args->signal;
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pthread_mutex_lock(&ready->mutex);
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ready->ready = 1;
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ready->port = port;
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pthread_cond_signal(&ready->cond);
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pthread_mutex_unlock(&ready->mutex);
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#endif
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(void)args;
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(void)port;
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}
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THREAD_RETURN CYASSL_THREAD echoserver_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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int doDTLS = 0;
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int doPSK = 0;
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int outCreated = 0;
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int shutDown = 0;
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int useAnyAddr = 0;
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word16 port = yasslPort;
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int argc = ((func_args*)args)->argc;
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char** argv = ((func_args*)args)->argv;
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#ifdef ECHO_OUT
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FILE* fout = stdout;
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if (argc >= 2) {
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fout = fopen(argv[1], "w");
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outCreated = 1;
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}
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if (!fout) err_sys("can't open output file");
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#endif
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(void)outCreated;
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(void)argc;
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(void)argv;
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((func_args*)args)->return_code = -1; /* error state */
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#ifdef CYASSL_DTLS
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doDTLS = 1;
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#endif
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#ifdef CYASSL_LEANPSK
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doPSK = 1;
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#endif
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#if defined(NO_RSA) && !defined(HAVE_ECC)
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doPSK = 1;
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#endif
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#if defined(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API) && \
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!defined(CYASSL_SNIFFER) && !defined(CYASSL_MDK_SHELL)
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port = 0;
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#endif
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#if defined(USE_ANY_ADDR)
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useAnyAddr = 1;
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#endif
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tcp_listen(&sockfd, &port, useAnyAddr, doDTLS);
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#if defined(CYASSL_DTLS)
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method = CyaDTLSv1_server_method();
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#elif !defined(NO_TLS)
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method = CyaSSLv23_server_method();
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#else
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method = CyaSSLv3_server_method();
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#endif
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ctx = CyaSSL_CTX_new(method);
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/* CyaSSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); */
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#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
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CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
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#endif
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#ifndef NO_FILESYSTEM
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if (doPSK == 0) {
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#ifdef HAVE_NTRU
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/* ntru */
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if (CyaSSL_CTX_use_certificate_file(ctx, ntruCert, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load ntru cert file, "
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"Please run from CyaSSL home dir");
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if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKey)
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!= SSL_SUCCESS)
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err_sys("can't load ntru key file, "
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"Please run from CyaSSL home dir");
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#elif defined(HAVE_ECC)
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/* ecc */
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if (CyaSSL_CTX_use_certificate_file(ctx, eccCert, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load server cert file, "
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"Please run from CyaSSL home dir");
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if (CyaSSL_CTX_use_PrivateKey_file(ctx, eccKey, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load server key file, "
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"Please run from CyaSSL home dir");
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#elif defined(NO_CERTS)
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/* do nothing, just don't load cert files */
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#else
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/* normal */
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if (CyaSSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load server cert file, "
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"Please run from CyaSSL home dir");
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if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM)
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!= SSL_SUCCESS)
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err_sys("can't load server key file, "
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"Please run from CyaSSL home dir");
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#endif
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} /* doPSK */
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#elif !defined(NO_CERTS)
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if (!doPSK) {
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load_buffer(ctx, svrCert, CYASSL_CERT);
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load_buffer(ctx, svrKey, CYASSL_KEY);
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}
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#endif
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#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
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/* don't use EDH, can't sniff tmp keys */
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CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA");
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#endif
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if (doPSK) {
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#ifndef NO_PSK
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const char *defaultCipherList;
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CyaSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb);
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CyaSSL_CTX_use_psk_identity_hint(ctx, "cyassl server");
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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("server can't set cipher list 2");
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#endif
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}
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SignalReady(args, port);
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while (!shutDown) {
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CYASSL* ssl = 0;
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char command[SVR_COMMAND_SIZE+1];
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int echoSz = 0;
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int clientfd;
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int firstRead = 1;
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int gotFirstG = 0;
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#ifndef CYASSL_DTLS
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SOCKADDR_IN_T client;
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socklen_t client_len = sizeof(client);
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clientfd = accept(sockfd, (struct sockaddr*)&client,
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(ACCEPT_THIRD_T)&client_len);
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#else
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clientfd = udp_read_connect(sockfd);
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#endif
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if (clientfd == -1) err_sys("tcp accept failed");
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ssl = CyaSSL_new(ctx);
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if (ssl == NULL) err_sys("SSL_new failed");
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CyaSSL_set_fd(ssl, clientfd);
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#if !defined(NO_FILESYSTEM) && defined(OPENSSL_EXTRA)
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CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM);
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#elif !defined(NO_CERTS)
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SetDH(ssl); /* will repick suites with DHE, higher than PSK */
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#endif
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if (CyaSSL_accept(ssl) != SSL_SUCCESS) {
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printf("SSL_accept failed\n");
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CyaSSL_free(ssl);
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CloseSocket(clientfd);
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continue;
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}
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#if defined(PEER_INFO)
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showPeer(ssl);
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#endif
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while ( (echoSz = CyaSSL_read(ssl, command, sizeof(command)-1)) > 0) {
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if (firstRead == 1) {
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firstRead = 0; /* browser may send 1 byte 'G' to start */
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if (echoSz == 1 && command[0] == 'G') {
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gotFirstG = 1;
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continue;
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}
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}
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else if (gotFirstG == 1 && strncmp(command, "ET /", 4) == 0) {
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strncpy(command, "GET", 4);
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/* fall through to normal GET */
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}
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if ( strncmp(command, "quit", 4) == 0) {
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printf("client sent quit command: shutting down!\n");
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shutDown = 1;
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break;
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}
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if ( strncmp(command, "break", 5) == 0) {
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printf("client sent break command: closing session!\n");
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break;
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}
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#ifdef SESSION_STATS
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if ( strncmp(command, "printstats", 10) == 0) {
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PrintSessionStats();
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break;
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}
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#endif
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if ( strncmp(command, "GET", 3) == 0) {
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char type[] = "HTTP/1.0 200 ok\r\nContent-type:"
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" text/html\r\n\r\n";
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char header[] = "<html><body BGCOLOR=\"#ffffff\">\n<pre>\n";
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char body[] = "greetings from CyaSSL\n";
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char footer[] = "</body></html>\r\n\r\n";
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strncpy(command, type, sizeof(type));
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echoSz = sizeof(type) - 1;
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strncpy(&command[echoSz], header, sizeof(header));
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echoSz += (int)sizeof(header) - 1;
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strncpy(&command[echoSz], body, sizeof(body));
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echoSz += (int)sizeof(body) - 1;
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strncpy(&command[echoSz], footer, sizeof(footer));
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echoSz += (int)sizeof(footer);
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if (CyaSSL_write(ssl, command, echoSz) != echoSz)
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err_sys("SSL_write failed");
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break;
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}
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command[echoSz] = 0;
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#ifdef ECHO_OUT
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fputs(command, fout);
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#endif
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if (CyaSSL_write(ssl, command, echoSz) != echoSz)
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err_sys("SSL_write failed");
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}
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#ifndef CYASSL_DTLS
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CyaSSL_shutdown(ssl);
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#endif
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CyaSSL_free(ssl);
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CloseSocket(clientfd);
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#ifdef CYASSL_DTLS
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tcp_listen(&sockfd, &port, useAnyAddr, doDTLS);
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SignalReady(args, port);
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#endif
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}
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CloseSocket(sockfd);
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CyaSSL_CTX_free(ctx);
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#ifdef ECHO_OUT
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if (outCreated)
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fclose(fout);
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#endif
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((func_args*)args)->return_code = 0;
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return 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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#ifdef HAVE_CAVIUM
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int ret = OpenNitroxDevice(CAVIUM_DIRECT, CAVIUM_DEV_ID);
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if (ret != 0)
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err_sys("Cavium OpenNitroxDevice failed");
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#endif /* HAVE_CAVIUM */
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StartTCP();
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args.argc = argc;
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args.argv = argv;
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CyaSSL_Init();
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#if defined(DEBUG_CYASSL) && !defined(CYASSL_MDK_SHELL)
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CyaSSL_Debugging_ON();
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#endif
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if (CurrentDir("echoserver"))
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ChangeDirBack(2);
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else if (CurrentDir("Debug") || CurrentDir("Release"))
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ChangeDirBack(3);
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echoserver_test(&args);
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CyaSSL_Cleanup();
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#ifdef HAVE_CAVIUM
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CspShutdown(CAVIUM_DEV_ID);
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#endif
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return args.return_code;
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}
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#endif /* NO_MAIN_DRIVER */
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