File: [local] / src / usr.bin / openssl / spkac.c (download)
Revision 1.11, Sun Jul 14 03:30:46 2019 UTC (4 years, 11 months ago) by guenther
Branch: MAIN
CVS Tags: OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, 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 1.10: +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: spkac.c,v 1.11 2019/07/14 03:30:46 guenther Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999. Based on an original idea by Massimiliano Pala
* (madwolf@openca.org).
*/
/* ====================================================================
* Copyright (c) 1999 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 <stdlib.h>
#include <string.h>
#include <time.h>
#include "apps.h"
#include "progs.h"
#include <openssl/bio.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/lhash.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
static struct {
char *challenge;
char *infile;
char *keyfile;
int noout;
char *outfile;
char *passargin;
int pubkey;
char *spkac;
char *spksect;
int verify;
} spkac_config;
static const struct option spkac_options[] = {
{
.name = "challenge",
.argname = "string",
.desc = "Specify challenge string if SPKAC is generated",
.type = OPTION_ARG,
.opt.arg = &spkac_config.challenge,
},
{
.name = "in",
.argname = "file",
.desc = "Input file (default stdin)",
.type = OPTION_ARG,
.opt.arg = &spkac_config.infile,
},
{
.name = "key",
.argname = "file",
.desc = "Create SPKAC using private key file",
.type = OPTION_ARG,
.opt.arg = &spkac_config.keyfile,
},
{
.name = "noout",
.desc = "Do not print text version of SPKAC",
.type = OPTION_FLAG,
.opt.flag = &spkac_config.noout,
},
{
.name = "out",
.argname = "file",
.desc = "Output file (default stdout)",
.type = OPTION_ARG,
.opt.arg = &spkac_config.outfile,
},
{
.name = "passin",
.argname = "src",
.desc = "Input file passphrase source",
.type = OPTION_ARG,
.opt.arg = &spkac_config.passargin,
},
{
.name = "pubkey",
.desc = "Output public key of an SPKAC (not used if creating)",
.type = OPTION_FLAG,
.opt.flag = &spkac_config.pubkey,
},
{
.name = "spkac",
.argname = "name",
.desc = "SPKAC name (default \"SPKAC\")",
.type = OPTION_ARG,
.opt.arg = &spkac_config.spkac,
},
{
.name = "spksect",
.argname = "name",
.desc = "Name of the section containing SPKAC (default"
" \"default\")",
.type = OPTION_ARG,
.opt.arg = &spkac_config.spksect,
},
{
.name = "verify",
.desc = "Verify digital signature on supplied SPKAC",
.type = OPTION_FLAG,
.opt.flag = &spkac_config.verify,
},
{ NULL }
};
static void
spkac_usage(void)
{
fprintf(stderr,
"usage: spkac [-challenge string] [-in file] "
"[-key file] [-noout]\n"
" [-out file] [-passin src] [-pubkey] [-spkac name] "
"[-spksect section]\n"
" [-verify]\n\n");
options_usage(spkac_options);
}
int
spkac_main(int argc, char **argv)
{
int i, ret = 1;
BIO *in = NULL, *out = NULL;
char *passin = NULL;
char *spkstr = NULL;
CONF *conf = NULL;
NETSCAPE_SPKI *spki = NULL;
EVP_PKEY *pkey = NULL;
if (single_execution) {
if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
perror("pledge");
exit(1);
}
}
memset(&spkac_config, 0, sizeof(spkac_config));
spkac_config.spkac = "SPKAC";
spkac_config.spksect = "default";
if (options_parse(argc, argv, spkac_options, NULL, NULL) != 0) {
spkac_usage();
return (1);
}
if (!app_passwd(bio_err, spkac_config.passargin, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (spkac_config.keyfile) {
pkey = load_key(bio_err,
strcmp(spkac_config.keyfile, "-") ? spkac_config.keyfile
: NULL, FORMAT_PEM, 1, passin, "private key");
if (!pkey) {
goto end;
}
spki = NETSCAPE_SPKI_new();
if (spkac_config.challenge)
ASN1_STRING_set(spki->spkac->challenge,
spkac_config.challenge,
(int) strlen(spkac_config.challenge));
NETSCAPE_SPKI_set_pubkey(spki, pkey);
NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
spkstr = NETSCAPE_SPKI_b64_encode(spki);
if (spkstr == NULL) {
BIO_printf(bio_err, "Error encoding SPKAC\n");
ERR_print_errors(bio_err);
goto end;
}
if (spkac_config.outfile)
out = BIO_new_file(spkac_config.outfile, "w");
else
out = BIO_new_fp(stdout, BIO_NOCLOSE);
if (!out) {
BIO_printf(bio_err, "Error opening output file\n");
ERR_print_errors(bio_err);
} else {
BIO_printf(out, "SPKAC=%s\n", spkstr);
ret = 0;
}
free(spkstr);
goto end;
}
if (spkac_config.infile)
in = BIO_new_file(spkac_config.infile, "r");
else
in = BIO_new_fp(stdin, BIO_NOCLOSE);
if (!in) {
BIO_printf(bio_err, "Error opening input file\n");
ERR_print_errors(bio_err);
goto end;
}
conf = NCONF_new(NULL);
i = NCONF_load_bio(conf, in, NULL);
if (!i) {
BIO_printf(bio_err, "Error parsing config file\n");
ERR_print_errors(bio_err);
goto end;
}
spkstr = NCONF_get_string(conf, spkac_config.spksect,
spkac_config.spkac);
if (!spkstr) {
BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n",
spkac_config.spkac);
ERR_print_errors(bio_err);
goto end;
}
spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
if (!spki) {
BIO_printf(bio_err, "Error loading SPKAC\n");
ERR_print_errors(bio_err);
goto end;
}
if (spkac_config.outfile)
out = BIO_new_file(spkac_config.outfile, "w");
else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
if (!out) {
BIO_printf(bio_err, "Error opening output file\n");
ERR_print_errors(bio_err);
goto end;
}
if (!spkac_config.noout)
NETSCAPE_SPKI_print(out, spki);
pkey = NETSCAPE_SPKI_get_pubkey(spki);
if (spkac_config.verify) {
i = NETSCAPE_SPKI_verify(spki, pkey);
if (i > 0)
BIO_printf(bio_err, "Signature OK\n");
else {
BIO_printf(bio_err, "Signature Failure\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (spkac_config.pubkey)
PEM_write_bio_PUBKEY(out, pkey);
ret = 0;
end:
NCONF_free(conf);
NETSCAPE_SPKI_free(spki);
BIO_free(in);
BIO_free_all(out);
EVP_PKEY_free(pkey);
free(passin);
return (ret);
}