255 lines
7 KiB
C
255 lines
7 KiB
C
/* apps/spkac.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 1999. Based on an original idea by Massimiliano Pala
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* (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/err.h>
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#include <openssl/rsa.h>
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#include <openssl/evp.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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/* -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 argc, char **argv)
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{
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int i,badops=0, ret = 1;
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BIO *in = NULL,*out = NULL, *key = NULL;
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int verify=0,noout=0;
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char *infile = NULL,*outfile = NULL,*prog;
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char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL;
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char *challenge = NULL, *keyfile = NULL;
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LHASH *conf;
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NETSCAPE_SPKI *spki = NULL;
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EVP_PKEY *pkey = NULL;
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apps_startup();
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if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
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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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{
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if (strcmp(*argv,"-in") == 0)
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{
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if (--argc < 1) goto bad;
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infile= *(++argv);
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}
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else if (strcmp(*argv,"-out") == 0)
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{
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if (--argc < 1) goto bad;
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outfile= *(++argv);
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}
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else if (strcmp(*argv,"-key") == 0)
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{
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if (--argc < 1) goto bad;
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keyfile= *(++argv);
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}
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else if (strcmp(*argv,"-challenge") == 0)
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{
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if (--argc < 1) goto bad;
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challenge= *(++argv);
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}
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else if (strcmp(*argv,"-spkac") == 0)
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{
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if (--argc < 1) goto bad;
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spkac= *(++argv);
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}
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else if (strcmp(*argv,"-spksect") == 0)
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{
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if (--argc < 1) goto bad;
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spksect= *(++argv);
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}
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else if (strcmp(*argv,"-noout") == 0)
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noout=1;
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else if (strcmp(*argv,"-verify") == 0)
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verify=1;
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else 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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{
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bad:
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BIO_printf(bio_err,"%s [options] <infile >outfile\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," -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," -verify verify SPKAC signature\n");
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goto end;
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}
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ERR_load_crypto_strings();
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if(keyfile) {
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if(strcmp(keyfile, "-")) key = BIO_new_file(keyfile, "r");
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else key = BIO_new_fp(stdin, BIO_NOCLOSE);
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if(!key) {
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BIO_printf(bio_err, "Error opening key 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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pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, NULL);
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if(!pkey) {
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BIO_printf(bio_err, "Error reading private key\n");
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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_new();
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if(challenge) ASN1_STRING_set(spki->spkac->challenge,
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challenge, 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) out = BIO_new_file(outfile, "w");
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else out = BIO_new_fp(stdout, BIO_NOCLOSE);
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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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ret = 0;
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goto end;
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}
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if (infile) in = BIO_new_file(infile, "r");
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else 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 = CONF_load_bio(NULL, in, NULL);
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if(!conf) {
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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 = CONF_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) out = BIO_new_file(outfile, "w");
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else out = BIO_new_fp(stdout, BIO_NOCLOSE);
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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) NETSCAPE_SPKI_print(out, spki);
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if(verify) {
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EVP_PKEY *pktmp;
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pktmp = NETSCAPE_SPKI_get_pubkey(spki);
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i = NETSCAPE_SPKI_verify(spki, pktmp);
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EVP_PKEY_free(pktmp);
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if(i) 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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ret = 0;
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end:
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NETSCAPE_SPKI_free(spki);
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BIO_free(in);
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BIO_free(out);
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BIO_free(key);
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EVP_PKEY_free(pkey);
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if(spkstr) Free(spkstr);
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EXIT(ret);
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}
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