wolfssl/examples/server/server.c
2011-11-01 16:17:45 -07:00

242 lines
6.5 KiB
C

/* server.c
*
* Copyright (C) 2006-2011 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/openssl/ssl.h>
#include <cyassl/test.h>
#ifdef CYASSL_CALLBACKS
int srvHandShakeCB(HandShakeInfo*);
int srvTimeoutCB(TimeoutInfo*);
Timeval srvTo;
#endif
#if defined(NON_BLOCKING) || defined(CYASSL_CALLBACKS)
void NonBlockingSSL_Accept(SSL* ssl)
{
#ifndef CYASSL_CALLBACKS
int ret = SSL_accept(ssl);
#else
int ret = CyaSSL_accept_ex(ssl, srvHandShakeCB, srvTimeoutCB, srvTo);
#endif
int error = SSL_get_error(ssl, 0);
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
printf("... server would block\n");
#ifdef USE_WINDOWS_API
Sleep(1000);
#else
sleep(1);
#endif
#ifndef CYASSL_CALLBACKS
ret = SSL_accept(ssl);
#else
ret = CyaSSL_accept_ex(ssl, srvHandShakeCB, srvTimeoutCB,srvTo);
#endif
error = SSL_get_error(ssl, 0);
}
if (ret != SSL_SUCCESS)
err_sys("SSL_accept failed");
}
#endif
THREAD_RETURN CYASSL_THREAD server_test(void* args)
{
SOCKET_T sockfd = 0;
int clientfd = 0;
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
char msg[] = "I hear you fa shizzle!";
char input[1024];
int idx;
((func_args*)args)->return_code = -1; /* error state */
#if defined(CYASSL_DTLS)
method = DTLSv1_server_method();
#elif !defined(NO_TLS)
method = SSLv23_server_method();
#else
method = SSLv3_server_method();
#endif
ctx = SSL_CTX_new(method);
#ifndef NO_PSK
/* do PSK */
SSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb);
SSL_CTX_use_psk_identity_hint(ctx, "cyassl server");
SSL_CTX_set_cipher_list(ctx, "PSK-AES256-CBC-SHA");
#else
/* not using PSK, verify peer with certs */
SSL_CTX_set_verify(ctx,SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,0);
#endif
#ifdef OPENSSL_EXTRA
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#ifndef NO_FILESYSTEM
/* for client auth */
if (SSL_CTX_load_verify_locations(ctx, cliCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from CyaSSL home dir");
#ifdef HAVE_ECC
if (SSL_CTX_use_certificate_file(ctx, eccCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server ecc cert file, "
"Please run from CyaSSL home dir");
if (SSL_CTX_use_PrivateKey_file(ctx, eccKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server ecc key file, "
"Please run from CyaSSL home dir");
#elif HAVE_NTRU
if (SSL_CTX_use_certificate_file(ctx, ntruCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load ntru cert file, "
"Please run from CyaSSL home dir");
if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKey)
!= SSL_SUCCESS)
err_sys("can't load ntru key file, "
"Please run from CyaSSL home dir");
#else /* normal */
if (SSL_CTX_use_certificate_chain_file(ctx, svrCert)
!= SSL_SUCCESS)
err_sys("can't load server cert chain file, "
"Please run from CyaSSL home dir");
if (SSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server key file, "
"Please run from CyaSSL home dir");
#endif /* NTRU */
#else
load_buffer(ctx, cliCert, CYASSL_CA);
load_buffer(ctx, svrCert, CYASSL_CERT);
load_buffer(ctx, svrKey, CYASSL_KEY);
#endif /* NO_FILESYSTEM */
ssl = SSL_new(ctx);
tcp_accept(&sockfd, &clientfd, (func_args*)args);
#ifndef CYASSL_DTLS
CloseSocket(sockfd);
#endif
SSL_set_fd(ssl, clientfd);
#ifdef NO_PSK
#if !defined(NO_FILESYSTEM) && defined(OPENSSL_EXTRA)
CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM);
#else
SetDH(ssl); /* will repick suites with DHE, higher priority than PSK */
#endif
#endif
#ifdef NON_BLOCKING
tcp_set_nonblocking(&clientfd);
NonBlockingSSL_Accept(ssl);
#else
#ifndef CYASSL_CALLBACKS
if (SSL_accept(ssl) != SSL_SUCCESS) {
int err = SSL_get_error(ssl, 0);
char buffer[80];
printf("error = %d, %s\n", err, ERR_error_string(err, buffer));
err_sys("SSL_accept failed");
}
#else
NonBlockingSSL_Accept(ssl);
#endif
#endif
showPeer(ssl);
idx = SSL_read(ssl, input, sizeof(input));
if (idx > 0) {
input[idx] = 0;
printf("Client message: %s\n", input);
}
if (SSL_write(ssl, msg, sizeof(msg)) != sizeof(msg))
err_sys("SSL_write failed");
SSL_shutdown(ssl);
SSL_free(ssl);
SSL_CTX_free(ctx);
CloseSocket(clientfd);
((func_args*)args)->return_code = 0;
return 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("server") || CurrentDir("build"))
ChangeDirBack(2);
server_test(&args);
CyaSSL_Cleanup();
return args.return_code;
}
#endif /* NO_MAIN_DRIVER */
#ifdef CYASSL_CALLBACKS
int srvHandShakeCB(HandShakeInfo* info)
{
return 0;
}
int srvTimeoutCB(TimeoutInfo* info)
{
return 0;
}
#endif