/* apps/spkac.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 <openssl/bio.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/lhash.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#undef PROG
#define PROG spkac_main
/* -in arg - input file - default stdin
* -out arg - output file - default stdout
*/
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
int i,badops=0, ret = 1;
BIO *in = NULL,*out = NULL;
int verify=0,noout=0,pubkey=0;
char *infile = NULL,*outfile = NULL,*prog;
char *passargin = NULL, *passin = NULL;
const char *spkac = "SPKAC", *spksect = "default";
char *spkstr = NULL;
char *challenge = NULL, *keyfile = NULL;
CONF *conf = NULL;
NETSCAPE_SPKI *spki = NULL;
EVP_PKEY *pkey = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
apps_startup();
if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
prog=argv[0];
argc--;
argv++;
while (argc >= 1)
{
if (strcmp(*argv,"-in") == 0)
{
if (--argc < 1) goto bad;
infile= *(++argv);
}
else if (strcmp(*argv,"-out") == 0)
{
if (--argc < 1) goto bad;
outfile= *(++argv);
}
else if (strcmp(*argv,"-passin") == 0)
{
if (--argc < 1) goto bad;
passargin= *(++argv);
}
else if (strcmp(*argv,"-key") == 0)
{
if (--argc < 1) goto bad;
keyfile= *(++argv);
}
else if (strcmp(*argv,"-challenge") == 0)
{
if (--argc < 1) goto bad;
challenge= *(++argv);
}
else if (strcmp(*argv,"-spkac") == 0)
{
if (--argc < 1) goto bad;
spkac= *(++argv);
}
else if (strcmp(*argv,"-spksect") == 0)
{
if (--argc < 1) goto bad;
spksect= *(++argv);
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine= *(++argv);
}
#endif
else if (strcmp(*argv,"-noout") == 0)
noout=1;
else if (strcmp(*argv,"-pubkey") == 0)
pubkey=1;
else if (strcmp(*argv,"-verify") == 0)
verify=1;
else badops = 1;
argc--;
argv++;
}
if (badops)
{
bad:
BIO_printf(bio_err,"%s [options]\n",prog);
BIO_printf(bio_err,"where options are\n");
BIO_printf(bio_err," -in arg input file\n");
BIO_printf(bio_err," -out arg output file\n");
BIO_printf(bio_err," -key arg create SPKAC using private key\n");
BIO_printf(bio_err," -passin arg input file pass phrase source\n");
BIO_printf(bio_err," -challenge arg challenge string\n");
BIO_printf(bio_err," -spkac arg alternative SPKAC name\n");
BIO_printf(bio_err," -noout don't print SPKAC\n");
BIO_printf(bio_err," -pubkey output public key\n");
BIO_printf(bio_err," -verify verify SPKAC signature\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
#endif
goto end;
}
ERR_load_crypto_strings();
if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if(keyfile) {
pkey = load_key(bio_err,
strcmp(keyfile, "-") ? keyfile : NULL,
FORMAT_PEM, 1, passin, e, "private key");
if(!pkey) {
goto end;
}
spki = NETSCAPE_SPKI_new();
if(challenge) ASN1_STRING_set(spki->spkac->challenge,
challenge, (int)strlen(challenge));
NETSCAPE_SPKI_set_pubkey(spki, pkey);
NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
spkstr = NETSCAPE_SPKI_b64_encode(spki);
if (outfile) out = BIO_new_file(outfile, "w");
else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
if(!out) {
BIO_printf(bio_err, "Error opening output file\n");
ERR_print_errors(bio_err);
goto end;
}
BIO_printf(out, "SPKAC=%s\n", spkstr);
OPENSSL_free(spkstr);
ret = 0;
goto end;
}
if (infile) in = BIO_new_file(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, spksect, spkac);
if(!spkstr) {
BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", 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 (outfile) out = BIO_new_file(outfile, "w");
else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
if(!out) {
BIO_printf(bio_err, "Error opening output file\n");
ERR_print_errors(bio_err);
goto end;
}
if(!noout) NETSCAPE_SPKI_print(out, spki);
pkey = NETSCAPE_SPKI_get_pubkey(spki);
if(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(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);
if(passin) OPENSSL_free(passin);
apps_shutdown();
OPENSSL_EXIT(ret);
}