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