+++ /dev/null
-/* $OpenBSD: spkac.c,v 1.13 2023/03/06 14:32:06 tb 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;
-} cfg;
-
-static const struct option spkac_options[] = {
- {
- .name = "challenge",
- .argname = "string",
- .desc = "Specify challenge string if SPKAC is generated",
- .type = OPTION_ARG,
- .opt.arg = &cfg.challenge,
- },
- {
- .name = "in",
- .argname = "file",
- .desc = "Input file (default stdin)",
- .type = OPTION_ARG,
- .opt.arg = &cfg.infile,
- },
- {
- .name = "key",
- .argname = "file",
- .desc = "Create SPKAC using private key file",
- .type = OPTION_ARG,
- .opt.arg = &cfg.keyfile,
- },
- {
- .name = "noout",
- .desc = "Do not print text version of SPKAC",
- .type = OPTION_FLAG,
- .opt.flag = &cfg.noout,
- },
- {
- .name = "out",
- .argname = "file",
- .desc = "Output file (default stdout)",
- .type = OPTION_ARG,
- .opt.arg = &cfg.outfile,
- },
- {
- .name = "passin",
- .argname = "src",
- .desc = "Input file passphrase source",
- .type = OPTION_ARG,
- .opt.arg = &cfg.passargin,
- },
- {
- .name = "pubkey",
- .desc = "Output public key of an SPKAC (not used if creating)",
- .type = OPTION_FLAG,
- .opt.flag = &cfg.pubkey,
- },
- {
- .name = "spkac",
- .argname = "name",
- .desc = "SPKAC name (default \"SPKAC\")",
- .type = OPTION_ARG,
- .opt.arg = &cfg.spkac,
- },
- {
- .name = "spksect",
- .argname = "name",
- .desc = "Name of the section containing SPKAC (default"
- " \"default\")",
- .type = OPTION_ARG,
- .opt.arg = &cfg.spksect,
- },
- {
- .name = "verify",
- .desc = "Verify digital signature on supplied SPKAC",
- .type = OPTION_FLAG,
- .opt.flag = &cfg.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 (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
- perror("pledge");
- exit(1);
- }
-
- memset(&cfg, 0, sizeof(cfg));
- cfg.spkac = "SPKAC";
- cfg.spksect = "default";
-
- if (options_parse(argc, argv, spkac_options, NULL, NULL) != 0) {
- spkac_usage();
- return (1);
- }
-
- if (!app_passwd(bio_err, cfg.passargin, NULL, &passin, NULL)) {
- BIO_printf(bio_err, "Error getting password\n");
- goto end;
- }
-
- if (cfg.keyfile) {
- pkey = load_key(bio_err,
- strcmp(cfg.keyfile, "-") ? cfg.keyfile
- : NULL, FORMAT_PEM, 1, passin, "private key");
- if (!pkey) {
- goto end;
- }
- spki = NETSCAPE_SPKI_new();
- if (cfg.challenge)
- ASN1_STRING_set(spki->spkac->challenge,
- cfg.challenge,
- (int) strlen(cfg.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 (cfg.outfile)
- out = BIO_new_file(cfg.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 (cfg.infile)
- in = BIO_new_file(cfg.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, cfg.spksect,
- cfg.spkac);
-
- if (!spkstr) {
- BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n",
- cfg.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 (cfg.outfile)
- out = BIO_new_file(cfg.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 (!cfg.noout)
- NETSCAPE_SPKI_print(out, spki);
- pkey = NETSCAPE_SPKI_get_pubkey(spki);
- if (cfg.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 (cfg.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);
-}
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