/* $OpenBSD: pkeyparam.c,v 1.10 2017/01/20 08:57:12 deraadt Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 2006 */ /* ==================================================================== * Copyright (c) 2006 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include #include "apps.h" #include #include #include struct { char *infile; int noout; char *outfile; int text; } pkeyparam_config; struct option pkeyparam_options[] = { { .name = "in", .argname = "file", .desc = "Input file (default stdin)", .type = OPTION_ARG, .opt.arg = &pkeyparam_config.infile, }, { .name = "noout", .desc = "Do not print encoded version of the parameters", .type = OPTION_FLAG, .opt.flag = &pkeyparam_config.noout, }, { .name = "out", .argname = "file", .desc = "Output file (default stdout)", .type = OPTION_ARG, .opt.arg = &pkeyparam_config.outfile, }, { .name = "text", .desc = "Print out the parameters in plain text", .type = OPTION_FLAG, .opt.flag = &pkeyparam_config.text, }, { NULL }, }; static void pkeyparam_usage() { fprintf(stderr, "usage: pkeyparam [-in file] [-noout] [-out file] " "[-text]\n"); options_usage(pkeyparam_options); } int pkeyparam_main(int argc, char **argv) { BIO *in = NULL, *out = NULL; EVP_PKEY *pkey = NULL; int ret = 1; if (single_execution) { if (pledge("stdio cpath wpath rpath", NULL) == -1) { perror("pledge"); exit(1); } } memset(&pkeyparam_config, 0, sizeof(pkeyparam_config)); if (options_parse(argc, argv, pkeyparam_options, NULL, NULL) != 0) { pkeyparam_usage(); return (1); } if (pkeyparam_config.infile) { if (!(in = BIO_new_file(pkeyparam_config.infile, "r"))) { BIO_printf(bio_err, "Can't open input file %s\n", pkeyparam_config.infile); goto end; } } else in = BIO_new_fp(stdin, BIO_NOCLOSE); if (pkeyparam_config.outfile) { if (!(out = BIO_new_file(pkeyparam_config.outfile, "w"))) { BIO_printf(bio_err, "Can't open output file %s\n", pkeyparam_config.outfile); goto end; } } else { out = BIO_new_fp(stdout, BIO_NOCLOSE); } pkey = PEM_read_bio_Parameters(in, NULL); if (!pkey) { BIO_printf(bio_err, "Error reading parameters\n"); ERR_print_errors(bio_err); goto end; } if (!pkeyparam_config.noout) PEM_write_bio_Parameters(out, pkey); if (pkeyparam_config.text) EVP_PKEY_print_params(out, pkey, 0, NULL); ret = 0; end: EVP_PKEY_free(pkey); BIO_free_all(out); BIO_free(in); return ret; }