spkac.c
/*
* 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 <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>
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_NOOUT, OPT_PUBKEY, OPT_VERIFY, OPT_IN, OPT_OUT,
OPT_ENGINE, OPT_KEY, OPT_CHALLENGE, OPT_PASSIN, OPT_SPKAC,
OPT_SPKSECT
} OPTION_CHOICE;
OPTIONS spkac_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"in", OPT_IN, '<', "Input file"},
{"out", OPT_OUT, '>', "Output file"},
{"key", OPT_KEY, '<', "Create SPKAC using private key"},
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"challenge", OPT_CHALLENGE, 's', "Challenge string"},
{"spkac", OPT_SPKAC, 's', "Alternative SPKAC name"},
{"noout", OPT_NOOUT, '-', "Don't print SPKAC"},
{"pubkey", OPT_PUBKEY, '-', "Output public key"},
{"verify", OPT_VERIFY, '-', "Verify SPKAC signature"},
{"spksect", OPT_SPKSECT, 's'},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
{NULL}
};
int spkac_main(int argc, char **argv)
{
BIO *out = NULL;
CONF *conf = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
NETSCAPE_SPKI *spki = NULL;
char *challenge = NULL, *keyfile = NULL;
char *infile = NULL, *outfile = NULL, *passinarg = NULL, *passin = NULL;
char *spkstr = NULL, *prog;
const char *spkac = "SPKAC", *spksect = "default";
int i, ret = 1, verify = 0, noout = 0, pubkey = 0;
OPTION_CHOICE o;
prog = opt_init(argc, argv, spkac_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(spkac_options);
ret = 0;
goto end;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_PUBKEY:
pubkey = 1;
break;
case OPT_VERIFY:
verify = 1;
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_KEY:
keyfile = opt_arg();
break;
case OPT_CHALLENGE:
challenge = opt_arg();
break;
case OPT_SPKAC:
spkac = opt_arg();
break;
case OPT_SPKSECT:
spksect = opt_arg();
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
}
}
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
if (!app_passwd(passinarg, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (keyfile) {
pkey = load_key(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);
out = bio_open_default(outfile, 'w', FORMAT_TEXT);
if (out == NULL)
goto end;
BIO_printf(out, "SPKAC=%s\n", spkstr);
OPENSSL_free(spkstr);
ret = 0;
goto end;
}
if ((conf = app_load_config(infile)) == NULL)
goto end;
spkstr = NCONF_get_string(conf, spksect, spkac);
if (spkstr == NULL) {
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;
}
out = bio_open_default(outfile, 'w', FORMAT_TEXT);
if (out == NULL)
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_all(out);
EVP_PKEY_free(pkey);
OPENSSL_free(passin);
return (ret);
}
