From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/demos/bio/server-cmod.c | 95 ++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 openssl-1.1.0h/demos/bio/server-cmod.c (limited to 'openssl-1.1.0h/demos/bio/server-cmod.c') diff --git a/openssl-1.1.0h/demos/bio/server-cmod.c b/openssl-1.1.0h/demos/bio/server-cmod.c new file mode 100644 index 0000000..9cb2463 --- /dev/null +++ b/openssl-1.1.0h/demos/bio/server-cmod.c @@ -0,0 +1,95 @@ +/* + * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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 +#include +#include +#include +#include + +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 = 1, 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 = 0; + err: + if (ret) { + ERR_print_errors_fp(stderr); + } + BIO_free(in); + exit(ret); + return (!ret); +} -- cgit v1.2.3