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/* echoserver.c */
#include "ssl.h"
#include "cyassl_test.h"
#ifndef NO_MAIN_DRIVER
#define ECHO_OUT
#endif
#ifdef SESSION_STATS
void PrintSessionStats(void);
#endif
static void SignalReady(void* args)
{
#if defined(_POSIX_THREADS) && defined(NO_MAIN_DRIVER)
/* signal ready to tcp_accept */
func_args* server_args = (func_args*)args;
tcp_ready* ready = server_args->signal;
pthread_mutex_lock(&ready->mutex);
ready->ready = 1;
pthread_cond_signal(&ready->cond);
pthread_mutex_unlock(&ready->mutex);
#endif
}
THREAD_RETURN CYASSL_API echoserver_test(void* args)
{
SOCKET_T sockfd = 0;
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
int outCreated = 0;
int shutdown = 0;
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
#ifdef ECHO_OUT
FILE* fout = stdout;
if (argc >= 2) {
fout = fopen(argv[1], "w");
outCreated = 1;
}
if (!fout) err_sys("can't open output file");
#endif
((func_args*)args)->return_code = -1; /* error state */
tcp_listen(&sockfd);
#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);
/* SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); */
#ifdef OPENSSL_EXTRA
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#ifndef NO_FILESYSTEM
#ifdef HAVE_NTRU
/* ntru */
if (SSL_CTX_use_certificate_file(ctx, ntruCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load ntru cert file");
if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKey)
!= SSL_SUCCESS)
err_sys("can't load ntru key file");
#elif HAVE_ECC
/* ecc */
if (SSL_CTX_use_certificate_file(ctx, eccCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server cert file");
if (SSL_CTX_use_PrivateKey_file(ctx, eccKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server key file");
#else
/* normal */
if (SSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server cert file");
if (SSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server key file");
#endif
#else
load_buffer(ctx, svrCert, CYASSL_CERT);
load_buffer(ctx, svrKey, CYASSL_KEY);
#endif
SignalReady(args);
while (!shutdown) {
SSL* ssl = 0;
char command[1024];
int echoSz = 0;
int clientfd;
#ifndef CYASSL_DTLS
SOCKADDR_IN_T client;
socklen_t client_len = sizeof(client);
clientfd = accept(sockfd, (struct sockaddr*)&client,
(ACCEPT_THIRD_T)&client_len);
#else
clientfd = udp_read_connect(sockfd);
#endif
if (clientfd == -1) err_sys("tcp accept failed");
ssl = SSL_new(ctx);
if (ssl == NULL) err_sys("SSL_new failed");
SSL_set_fd(ssl, clientfd);
if (SSL_accept(ssl) != SSL_SUCCESS) {
printf("SSL_accept failed");
SSL_free(ssl);
CloseSocket(clientfd);
continue;
}
while ( (echoSz = SSL_read(ssl, command, sizeof(command))) > 0) {
if ( strncmp(command, "quit", 4) == 0) {
printf("client sent quit command: shutting down!\n");
shutdown = 1;
break;
}
if ( strncmp(command, "break", 5) == 0) {
printf("client sent break command: closing session!\n");
break;
}
#ifdef SESSION_STATS
if ( strncmp(command, "printstats", 10) == 0) {
PrintSessionStats();
break;
}
#endif
if ( strncmp(command, "GET", 3) == 0) {
char type[] = "HTTP/1.0 200 ok\r\nContent-type:"
" text/html\r\n\r\n";
char header[] = "<html><body BGCOLOR=\"#ffffff\">\n<pre>\n";
char body[] = "greetings from CyaSSL\n";
char footer[] = "</body></html>\r\n\r\n";
strncpy(command, type, sizeof(type));
echoSz = sizeof(type) - 1;
strncpy(&command[echoSz], header, sizeof(header));
echoSz += sizeof(header) - 1;
strncpy(&command[echoSz], body, sizeof(body));
echoSz += sizeof(body) - 1;
strncpy(&command[echoSz], footer, sizeof(footer));
echoSz += sizeof(footer);
if (SSL_write(ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
break;
}
command[echoSz] = 0;
#ifdef ECHO_OUT
fputs(command, fout);
#endif
if (SSL_write(ssl, command, echoSz) != echoSz)
err_sys("SSL_write failed");
}
#ifndef CYASSL_DTLS
SSL_shutdown(ssl);
#endif
SSL_free(ssl);
CloseSocket(clientfd);
#ifdef CYASSL_DTLS
tcp_listen(&sockfd);
SignalReady(args);
#endif
}
CloseSocket(sockfd);
SSL_CTX_free(ctx);
#ifdef ECHO_OUT
if (outCreated)
fclose(fout);
#endif
((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;
InitCyaSSL();
#ifdef DEBUG_CYASSL
CyaSSL_Debugging_ON();
#endif
echoserver_test(&args);
FreeCyaSSL();
return args.return_code;
}
#endif /* NO_MAIN_DRIVER */
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