313 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			313 lines
		
	
	
		
			9.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* apps/spkac.c */
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/*
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 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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 * 1999. Based on an original idea by Massimiliano Pala (madwolf@openca.org).
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 */
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/* ====================================================================
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 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "apps.h"
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#include <openssl/bio.h>
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#include <openssl/conf.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/lhash.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#undef PROG
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#define PROG    spkac_main
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/*-
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 * -in arg      - input file - default stdin
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 * -out arg     - output file - default stdout
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 */
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int MAIN(int, char **);
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int MAIN(int argc, char **argv)
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{
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    ENGINE *e = NULL;
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    int i, badops = 0, ret = 1;
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    BIO *in = NULL, *out = NULL;
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    int verify = 0, noout = 0, pubkey = 0;
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    char *infile = NULL, *outfile = NULL, *prog;
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    char *passargin = NULL, *passin = NULL;
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    const char *spkac = "SPKAC", *spksect = "default";
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    char *spkstr = NULL;
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    char *challenge = NULL, *keyfile = NULL;
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    CONF *conf = NULL;
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    NETSCAPE_SPKI *spki = NULL;
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    EVP_PKEY *pkey = NULL;
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#ifndef OPENSSL_NO_ENGINE
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    char *engine = NULL;
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#endif
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    apps_startup();
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    if (!bio_err)
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        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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    if (!load_config(bio_err, NULL))
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        goto end;
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    prog = argv[0];
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    argc--;
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    argv++;
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    while (argc >= 1) {
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        if (strcmp(*argv, "-in") == 0) {
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            if (--argc < 1)
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                goto bad;
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            infile = *(++argv);
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        } else if (strcmp(*argv, "-out") == 0) {
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            if (--argc < 1)
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                goto bad;
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            outfile = *(++argv);
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        } else if (strcmp(*argv, "-passin") == 0) {
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            if (--argc < 1)
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                goto bad;
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            passargin = *(++argv);
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        } else if (strcmp(*argv, "-key") == 0) {
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            if (--argc < 1)
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                goto bad;
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            keyfile = *(++argv);
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        } else if (strcmp(*argv, "-challenge") == 0) {
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            if (--argc < 1)
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                goto bad;
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            challenge = *(++argv);
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        } else if (strcmp(*argv, "-spkac") == 0) {
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            if (--argc < 1)
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                goto bad;
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            spkac = *(++argv);
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        } else if (strcmp(*argv, "-spksect") == 0) {
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            if (--argc < 1)
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                goto bad;
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            spksect = *(++argv);
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        }
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#ifndef OPENSSL_NO_ENGINE
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        else if (strcmp(*argv, "-engine") == 0) {
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            if (--argc < 1)
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                goto bad;
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            engine = *(++argv);
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        }
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#endif
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        else if (strcmp(*argv, "-noout") == 0)
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            noout = 1;
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        else if (strcmp(*argv, "-pubkey") == 0)
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            pubkey = 1;
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        else if (strcmp(*argv, "-verify") == 0)
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            verify = 1;
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        else
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            badops = 1;
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        argc--;
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        argv++;
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    }
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    if (badops) {
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 bad:
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        BIO_printf(bio_err, "%s [options]\n", prog);
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        BIO_printf(bio_err, "where options are\n");
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        BIO_printf(bio_err, " -in arg        input file\n");
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        BIO_printf(bio_err, " -out arg       output file\n");
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        BIO_printf(bio_err,
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                   " -key arg       create SPKAC using private key\n");
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        BIO_printf(bio_err,
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                   " -passin arg    input file pass phrase source\n");
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        BIO_printf(bio_err, " -challenge arg challenge string\n");
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        BIO_printf(bio_err, " -spkac arg     alternative SPKAC name\n");
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        BIO_printf(bio_err, " -noout         don't print SPKAC\n");
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        BIO_printf(bio_err, " -pubkey        output public key\n");
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        BIO_printf(bio_err, " -verify        verify SPKAC signature\n");
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#ifndef OPENSSL_NO_ENGINE
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        BIO_printf(bio_err,
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                   " -engine e      use engine e, possibly a hardware device.\n");
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#endif
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        goto end;
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    }
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    ERR_load_crypto_strings();
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    if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
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        BIO_printf(bio_err, "Error getting password\n");
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        goto end;
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    }
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#ifndef OPENSSL_NO_ENGINE
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    e = setup_engine(bio_err, engine, 0);
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#endif
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    if (keyfile) {
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        pkey = load_key(bio_err,
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                        strcmp(keyfile, "-") ? keyfile : NULL,
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                        FORMAT_PEM, 1, passin, e, "private key");
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        if (!pkey) {
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            goto end;
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        }
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        spki = NETSCAPE_SPKI_new();
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        if (challenge)
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            ASN1_STRING_set(spki->spkac->challenge,
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                            challenge, (int)strlen(challenge));
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        NETSCAPE_SPKI_set_pubkey(spki, pkey);
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        NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
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        spkstr = NETSCAPE_SPKI_b64_encode(spki);
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        if (outfile)
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            out = BIO_new_file(outfile, "w");
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        else {
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            out = BIO_new_fp(stdout, BIO_NOCLOSE);
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#ifdef OPENSSL_SYS_VMS
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            {
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                BIO *tmpbio = BIO_new(BIO_f_linebuffer());
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                out = BIO_push(tmpbio, out);
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            }
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#endif
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        }
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        if (!out) {
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            BIO_printf(bio_err, "Error opening output file\n");
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            ERR_print_errors(bio_err);
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            goto end;
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        }
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        BIO_printf(out, "SPKAC=%s\n", spkstr);
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        OPENSSL_free(spkstr);
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        ret = 0;
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        goto end;
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    }
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    if (infile)
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        in = BIO_new_file(infile, "r");
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    else
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        in = BIO_new_fp(stdin, BIO_NOCLOSE);
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    if (!in) {
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        BIO_printf(bio_err, "Error opening input file\n");
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        ERR_print_errors(bio_err);
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        goto end;
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    }
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    conf = NCONF_new(NULL);
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    i = NCONF_load_bio(conf, in, NULL);
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    if (!i) {
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        BIO_printf(bio_err, "Error parsing config file\n");
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        ERR_print_errors(bio_err);
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        goto end;
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    }
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    spkstr = NCONF_get_string(conf, spksect, spkac);
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    if (!spkstr) {
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        BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac);
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        ERR_print_errors(bio_err);
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        goto end;
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    }
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    spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
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    if (!spki) {
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        BIO_printf(bio_err, "Error loading SPKAC\n");
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        ERR_print_errors(bio_err);
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        goto end;
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    }
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    if (outfile)
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        out = BIO_new_file(outfile, "w");
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    else {
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        out = BIO_new_fp(stdout, BIO_NOCLOSE);
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#ifdef OPENSSL_SYS_VMS
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        {
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            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
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            out = BIO_push(tmpbio, out);
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        }
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#endif
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    }
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    if (!out) {
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        BIO_printf(bio_err, "Error opening output file\n");
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        ERR_print_errors(bio_err);
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        goto end;
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    }
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    if (!noout)
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        NETSCAPE_SPKI_print(out, spki);
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    pkey = NETSCAPE_SPKI_get_pubkey(spki);
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    if (verify) {
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        i = NETSCAPE_SPKI_verify(spki, pkey);
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        if (i > 0)
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            BIO_printf(bio_err, "Signature OK\n");
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        else {
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            BIO_printf(bio_err, "Signature Failure\n");
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            ERR_print_errors(bio_err);
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            goto end;
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        }
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    }
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    if (pubkey)
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        PEM_write_bio_PUBKEY(out, pkey);
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    ret = 0;
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 end:
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    NCONF_free(conf);
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    NETSCAPE_SPKI_free(spki);
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    BIO_free(in);
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    BIO_free_all(out);
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    EVP_PKEY_free(pkey);
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    if (passin)
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        OPENSSL_free(passin);
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    apps_shutdown();
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    OPENSSL_EXIT(ret);
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}
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