mirror of https://github.com/openssl/openssl.git
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
|
|
* Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/*
|
|
* A minimal TLS server it ses SSL_CTX_config and a configuration file to
|
|
* set most server parameters.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/ssl.h>
|
|
#include <openssl/conf.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
unsigned char buf[512];
|
|
char *port = "*:4433";
|
|
BIO *in = NULL;
|
|
BIO *ssl_bio, *tmp;
|
|
SSL_CTX *ctx;
|
|
int ret = EXIT_FAILURE, i;
|
|
|
|
ctx = SSL_CTX_new(TLS_server_method());
|
|
|
|
if (CONF_modules_load_file("cmod.cnf", "testapp", 0) <= 0) {
|
|
fprintf(stderr, "Error processing config file\n");
|
|
goto err;
|
|
}
|
|
|
|
if (SSL_CTX_config(ctx, "server") == 0) {
|
|
fprintf(stderr, "Error configuring server.\n");
|
|
goto err;
|
|
}
|
|
|
|
/* Setup server side SSL bio */
|
|
ssl_bio = BIO_new_ssl(ctx, 0);
|
|
|
|
if ((in = BIO_new_accept(port)) == NULL)
|
|
goto err;
|
|
|
|
/*
|
|
* This means that when a new connection is accepted on 'in', The ssl_bio
|
|
* will be 'duplicated' and have the new socket BIO push into it.
|
|
* Basically it means the SSL BIO will be automatically setup
|
|
*/
|
|
BIO_set_accept_bios(in, ssl_bio);
|
|
|
|
again:
|
|
/*
|
|
* The first call will setup the accept socket, and the second will get a
|
|
* socket. In this loop, the first actual accept will occur in the
|
|
* BIO_read() function.
|
|
*/
|
|
|
|
if (BIO_do_accept(in) <= 0)
|
|
goto err;
|
|
|
|
for (;;) {
|
|
i = BIO_read(in, buf, sizeof(buf));
|
|
if (i == 0) {
|
|
/*
|
|
* If we have finished, remove the underlying BIO stack so the
|
|
* next time we call any function for this BIO, it will attempt
|
|
* to do an accept
|
|
*/
|
|
printf("Done\n");
|
|
tmp = BIO_pop(in);
|
|
BIO_free_all(tmp);
|
|
goto again;
|
|
}
|
|
if (i < 0) {
|
|
if (BIO_should_retry(in))
|
|
continue;
|
|
goto err;
|
|
}
|
|
fwrite(buf, 1, i, stdout);
|
|
fflush(stdout);
|
|
}
|
|
|
|
ret = EXIT_SUCCESS;
|
|
err:
|
|
if (ret != EXIT_SUCCESS)
|
|
ERR_print_errors_fp(stderr);
|
|
BIO_free(in);
|
|
return ret;
|
|
}
|