/* * Copyright 2013-2016 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 */ #include #include #include #include int main(int argc, char **argv) { BIO *sbio = NULL, *out = NULL; int i, len, rv; char tmpbuf[1024]; SSL_CTX *ctx = NULL; SSL_CONF_CTX *cctx = NULL; SSL *ssl = NULL; CONF *conf = NULL; STACK_OF(CONF_VALUE) *sect = NULL; CONF_VALUE *cnf; const char *connect_str = "localhost:4433"; long errline = -1; conf = NCONF_new(NULL); if (NCONF_load(conf, "connect.cnf", &errline) <= 0) { if (errline <= 0) fprintf(stderr, "Error processing config file\n"); else fprintf(stderr, "Error on line %ld\n", errline); goto end; } sect = NCONF_get_section(conf, "default"); if (sect == NULL) { fprintf(stderr, "Error retrieving default section\n"); goto end; } ctx = SSL_CTX_new(TLS_client_method()); cctx = SSL_CONF_CTX_new(); SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT); SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_FILE); SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); for (i = 0; i < sk_CONF_VALUE_num(sect); i++) { cnf = sk_CONF_VALUE_value(sect, i); rv = SSL_CONF_cmd(cctx, cnf->name, cnf->value); if (rv > 0) continue; if (rv != -2) { fprintf(stderr, "Error processing %s = %s\n", cnf->name, cnf->value); ERR_print_errors_fp(stderr); goto end; } if (strcmp(cnf->name, "Connect") == 0) { connect_str = cnf->value; } else { fprintf(stderr, "Unknown configuration option %s\n", cnf->name); goto end; } } if (!SSL_CONF_CTX_finish(cctx)) { fprintf(stderr, "Finish error\n"); ERR_print_errors_fp(stderr); goto end; } /* * We'd normally set some stuff like the verify paths and * mode here * because as things stand this will connect to * any server whose * certificate is signed by any CA. */ sbio = BIO_new_ssl_connect(ctx); BIO_get_ssl(sbio, &ssl); if (!ssl) { fprintf(stderr, "Can't locate SSL pointer\n"); goto end; } /* Don't want any retries */ SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY); /* We might want to do other things with ssl here */ BIO_set_conn_hostname(sbio, connect_str); out = BIO_new_fp(stdout, BIO_NOCLOSE); if (BIO_do_connect(sbio) <= 0) { fprintf(stderr, "Error connecting to server\n"); ERR_print_errors_fp(stderr); goto end; } if (BIO_do_handshake(sbio) <= 0) { fprintf(stderr, "Error establishing SSL connection\n"); ERR_print_errors_fp(stderr); goto end; } /* Could examine ssl here to get connection info */ BIO_puts(sbio, "GET / HTTP/1.0\n\n"); for (;;) { len = BIO_read(sbio, tmpbuf, 1024); if (len <= 0) break; BIO_write(out, tmpbuf, len); } end: SSL_CONF_CTX_free(cctx); BIO_free_all(sbio); BIO_free(out); NCONF_free(conf); return 0; }