File: [local] / src / usr.bin / openssl / pkeyparam.c (download)
Revision 1.12, Sun Jul 14 03:30:46 2019 UTC (4 years, 10 months ago) by guenther
Branch: MAIN
CVS Tags: OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6 Changes since 1.11: +2 -2 lines
Mark the initialized struct options arrays as both static and const.
This moves them from .data to .data.rel.ro
ok deraadt@ inoguchi@
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/* $OpenBSD: pkeyparam.c,v 1.12 2019/07/14 03:30:46 guenther 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 <stdio.h>
#include <string.h>
#include "apps.h"
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
struct {
char *infile;
int noout;
char *outfile;
int text;
} pkeyparam_config;
static const 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;
}