2 * Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include <openssl/err.h>
12 #include <openssl/ssl.h>
13 #include <openssl/conf.h>
15 int main(int argc, char **argv)
17 BIO *sbio = NULL, *out = NULL;
21 SSL_CONF_CTX *cctx = NULL;
24 STACK_OF(CONF_VALUE) *sect = NULL;
26 const char *connect_str = "localhost:4433";
29 conf = NCONF_new(NULL);
31 if (NCONF_load(conf, "connect.cnf", &errline) <= 0) {
33 fprintf(stderr, "Error processing config file\n");
35 fprintf(stderr, "Error on line %ld\n", errline);
39 sect = NCONF_get_section(conf, "default");
42 fprintf(stderr, "Error retrieving default section\n");
46 ctx = SSL_CTX_new(TLS_client_method());
47 cctx = SSL_CONF_CTX_new();
48 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
49 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_FILE);
50 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
51 for (i = 0; i < sk_CONF_VALUE_num(sect); i++) {
52 cnf = sk_CONF_VALUE_value(sect, i);
53 rv = SSL_CONF_cmd(cctx, cnf->name, cnf->value);
57 fprintf(stderr, "Error processing %s = %s\n",
58 cnf->name, cnf->value);
59 ERR_print_errors_fp(stderr);
62 if (strcmp(cnf->name, "Connect") == 0) {
63 connect_str = cnf->value;
65 fprintf(stderr, "Unknown configuration option %s\n", cnf->name);
70 if (!SSL_CONF_CTX_finish(cctx)) {
71 fprintf(stderr, "Finish error\n");
72 ERR_print_errors_fp(stderr);
77 * We'd normally set some stuff like the verify paths and * mode here
78 * because as things stand this will connect to * any server whose
79 * certificate is signed by any CA.
82 sbio = BIO_new_ssl_connect(ctx);
84 BIO_get_ssl(sbio, &ssl);
87 fprintf(stderr, "Can't locate SSL pointer\n");
91 /* Don't want any retries */
92 SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
94 /* We might want to do other things with ssl here */
96 BIO_set_conn_hostname(sbio, connect_str);
98 out = BIO_new_fp(stdout, BIO_NOCLOSE);
99 if (BIO_do_connect(sbio) <= 0) {
100 fprintf(stderr, "Error connecting to server\n");
101 ERR_print_errors_fp(stderr);
105 if (BIO_do_handshake(sbio) <= 0) {
106 fprintf(stderr, "Error establishing SSL connection\n");
107 ERR_print_errors_fp(stderr);
111 /* Could examine ssl here to get connection info */
113 BIO_puts(sbio, "GET / HTTP/1.0\n\n");
115 len = BIO_read(sbio, tmpbuf, 1024);
118 BIO_write(out, tmpbuf, len);
121 SSL_CONF_CTX_free(cctx);