443 lines
14 KiB
C
443 lines
14 KiB
C
/* apps/crl.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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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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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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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 "apps.h"
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include <openssl/pem.h>
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#undef PROG
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#define PROG crl_main
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#undef POSTFIX
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#define POSTFIX ".rvk"
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static const char *crl_usage[] = {
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"usage: crl args\n",
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"\n",
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" -inform arg - input format - default PEM (DER or PEM)\n",
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" -outform arg - output format - default PEM\n",
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" -text - print out a text format version\n",
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" -in arg - input file - default stdin\n",
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" -out arg - output file - default stdout\n",
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" -hash - print hash value\n",
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#ifndef OPENSSL_NO_MD5
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" -hash_old - print old-style (MD5) hash value\n",
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#endif
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" -fingerprint - print the crl fingerprint\n",
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" -issuer - print issuer DN\n",
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" -lastupdate - lastUpdate field\n",
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" -nextupdate - nextUpdate field\n",
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" -crlnumber - print CRL number\n",
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" -noout - no CRL output\n",
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" -CAfile name - verify CRL using certificates in file \"name\"\n",
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" -CApath dir - verify CRL using certificates in \"dir\"\n",
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" -nameopt arg - various certificate name options\n",
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NULL
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};
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static BIO *bio_out = NULL;
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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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unsigned long nmflag = 0;
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X509_CRL *x = NULL;
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char *CAfile = NULL, *CApath = NULL;
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int ret = 1, i, num, badops = 0, badsig = 0;
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BIO *out = NULL;
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int informat, outformat, keyformat;
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char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
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int hash = 0, issuer = 0, lastupdate = 0, nextupdate = 0, noout =
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0, text = 0;
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#ifndef OPENSSL_NO_MD5
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int hash_old = 0;
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#endif
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int fingerprint = 0, crlnumber = 0;
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const char **pp;
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X509_STORE *store = NULL;
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X509_STORE_CTX ctx;
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X509_LOOKUP *lookup = NULL;
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X509_OBJECT xobj;
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EVP_PKEY *pkey;
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int do_ver = 0;
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const EVP_MD *md_alg, *digest = EVP_sha1();
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apps_startup();
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if (bio_err == NULL)
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if ((bio_err = BIO_new(BIO_s_file())) != NULL)
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BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
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if (!load_config(bio_err, NULL))
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goto end;
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if (bio_out == NULL)
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if ((bio_out = BIO_new(BIO_s_file())) != NULL) {
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BIO_set_fp(bio_out, 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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bio_out = BIO_push(tmpbio, bio_out);
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}
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#endif
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}
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informat = FORMAT_PEM;
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outformat = FORMAT_PEM;
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keyformat = FORMAT_PEM;
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argc--;
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argv++;
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num = 0;
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while (argc >= 1) {
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#ifdef undef
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if (strcmp(*argv, "-p") == 0) {
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if (--argc < 1)
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goto bad;
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if (!args_from_file(++argv, Nargc, Nargv)) {
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goto end;
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}
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*/}
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#endif
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if (strcmp(*argv, "-inform") == 0) {
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if (--argc < 1)
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goto bad;
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informat = str2fmt(*(++argv));
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} else if (strcmp(*argv, "-outform") == 0) {
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if (--argc < 1)
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goto bad;
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outformat = str2fmt(*(++argv));
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} else 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, "-gendelta") == 0) {
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if (--argc < 1)
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goto bad;
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crldiff = *(++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, "-keyform") == 0) {
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if (--argc < 1)
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goto bad;
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keyformat = str2fmt(*(++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, "-CApath") == 0) {
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if (--argc < 1)
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goto bad;
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CApath = *(++argv);
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do_ver = 1;
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} else if (strcmp(*argv, "-CAfile") == 0) {
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if (--argc < 1)
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goto bad;
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CAfile = *(++argv);
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do_ver = 1;
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} else if (strcmp(*argv, "-verify") == 0)
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do_ver = 1;
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else if (strcmp(*argv, "-text") == 0)
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text = 1;
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else if (strcmp(*argv, "-hash") == 0)
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hash = ++num;
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#ifndef OPENSSL_NO_MD5
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else if (strcmp(*argv, "-hash_old") == 0)
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hash_old = ++num;
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#endif
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else if (strcmp(*argv, "-nameopt") == 0) {
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if (--argc < 1)
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goto bad;
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if (!set_name_ex(&nmflag, *(++argv)))
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goto bad;
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} else if (strcmp(*argv, "-issuer") == 0)
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issuer = ++num;
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else if (strcmp(*argv, "-lastupdate") == 0)
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lastupdate = ++num;
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else if (strcmp(*argv, "-nextupdate") == 0)
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nextupdate = ++num;
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else if (strcmp(*argv, "-noout") == 0)
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noout = ++num;
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else if (strcmp(*argv, "-fingerprint") == 0)
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fingerprint = ++num;
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else if (strcmp(*argv, "-crlnumber") == 0)
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crlnumber = ++num;
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else if (strcmp(*argv, "-badsig") == 0)
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badsig = 1;
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else if ((md_alg = EVP_get_digestbyname(*argv + 1))) {
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/* ok */
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digest = md_alg;
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} else {
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BIO_printf(bio_err, "unknown option %s\n", *argv);
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badops = 1;
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break;
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}
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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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for (pp = crl_usage; (*pp != NULL); pp++)
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BIO_printf(bio_err, "%s", *pp);
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goto end;
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}
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ERR_load_crypto_strings();
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x = load_crl(infile, informat);
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if (x == NULL) {
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goto end;
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}
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if (do_ver) {
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store = X509_STORE_new();
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lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
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if (lookup == NULL)
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goto end;
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if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM))
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X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
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lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
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if (lookup == NULL)
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goto end;
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if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM))
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X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
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ERR_clear_error();
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if (!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) {
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BIO_printf(bio_err, "Error initialising X509 store\n");
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goto end;
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}
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i = X509_STORE_get_by_subject(&ctx, X509_LU_X509,
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X509_CRL_get_issuer(x), &xobj);
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if (i <= 0) {
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BIO_printf(bio_err, "Error getting CRL issuer certificate\n");
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goto end;
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}
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pkey = X509_get_pubkey(xobj.data.x509);
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X509_OBJECT_free_contents(&xobj);
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if (!pkey) {
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BIO_printf(bio_err, "Error getting CRL issuer public key\n");
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goto end;
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}
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i = X509_CRL_verify(x, pkey);
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EVP_PKEY_free(pkey);
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if (i < 0)
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goto end;
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if (i == 0)
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BIO_printf(bio_err, "verify failure\n");
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else
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BIO_printf(bio_err, "verify OK\n");
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}
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if (crldiff) {
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X509_CRL *newcrl, *delta;
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if (!keyfile) {
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BIO_puts(bio_err, "Missing CRL signing key\n");
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goto end;
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}
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newcrl = load_crl(crldiff, informat);
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if (!newcrl)
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goto end;
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pkey = load_key(bio_err, keyfile, keyformat, 0, NULL, NULL,
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"CRL signing key");
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if (!pkey) {
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X509_CRL_free(newcrl);
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goto end;
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}
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delta = X509_CRL_diff(x, newcrl, pkey, digest, 0);
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X509_CRL_free(newcrl);
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EVP_PKEY_free(pkey);
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if (delta) {
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X509_CRL_free(x);
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x = delta;
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} else {
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BIO_puts(bio_err, "Error creating delta CRL\n");
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goto end;
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}
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}
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if (num) {
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for (i = 1; i <= num; i++) {
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if (issuer == i) {
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print_name(bio_out, "issuer=", X509_CRL_get_issuer(x),
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nmflag);
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}
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if (crlnumber == i) {
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ASN1_INTEGER *crlnum;
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crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, NULL, NULL);
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BIO_printf(bio_out, "crlNumber=");
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if (crlnum) {
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i2a_ASN1_INTEGER(bio_out, crlnum);
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ASN1_INTEGER_free(crlnum);
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} else
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BIO_puts(bio_out, "<NONE>");
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BIO_printf(bio_out, "\n");
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}
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if (hash == i) {
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BIO_printf(bio_out, "%08lx\n",
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X509_NAME_hash(X509_CRL_get_issuer(x)));
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}
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#ifndef OPENSSL_NO_MD5
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if (hash_old == i) {
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BIO_printf(bio_out, "%08lx\n",
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X509_NAME_hash_old(X509_CRL_get_issuer(x)));
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}
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#endif
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if (lastupdate == i) {
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BIO_printf(bio_out, "lastUpdate=");
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ASN1_TIME_print(bio_out, X509_CRL_get_lastUpdate(x));
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BIO_printf(bio_out, "\n");
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}
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if (nextupdate == i) {
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BIO_printf(bio_out, "nextUpdate=");
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if (X509_CRL_get_nextUpdate(x))
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ASN1_TIME_print(bio_out, X509_CRL_get_nextUpdate(x));
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else
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BIO_printf(bio_out, "NONE");
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BIO_printf(bio_out, "\n");
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}
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if (fingerprint == i) {
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int j;
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unsigned int n;
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unsigned char md[EVP_MAX_MD_SIZE];
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if (!X509_CRL_digest(x, digest, md, &n)) {
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BIO_printf(bio_err, "out of memory\n");
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goto end;
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}
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BIO_printf(bio_out, "%s Fingerprint=",
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OBJ_nid2sn(EVP_MD_type(digest)));
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for (j = 0; j < (int)n; j++) {
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BIO_printf(bio_out, "%02X%c", md[j], (j + 1 == (int)n)
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? '\n' : ':');
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}
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}
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}
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}
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out = BIO_new(BIO_s_file());
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if (out == NULL) {
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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 == NULL) {
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BIO_set_fp(out, 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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} else {
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if (BIO_write_filename(out, outfile) <= 0) {
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perror(outfile);
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goto end;
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}
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}
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if (text)
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X509_CRL_print(out, x);
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if (noout) {
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ret = 0;
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goto end;
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}
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if (badsig)
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x->signature->data[x->signature->length - 1] ^= 0x1;
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if (outformat == FORMAT_ASN1)
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i = (int)i2d_X509_CRL_bio(out, x);
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else if (outformat == FORMAT_PEM)
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i = PEM_write_bio_X509_CRL(out, x);
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else {
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BIO_printf(bio_err, "bad output format specified for outfile\n");
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goto end;
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}
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if (!i) {
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BIO_printf(bio_err, "unable to write CRL\n");
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goto end;
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}
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ret = 0;
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end:
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if (ret != 0)
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ERR_print_errors(bio_err);
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BIO_free_all(out);
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BIO_free_all(bio_out);
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bio_out = NULL;
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X509_CRL_free(x);
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if (store) {
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X509_STORE_CTX_cleanup(&ctx);
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X509_STORE_free(store);
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}
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apps_shutdown();
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OPENSSL_EXIT(ret);
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}
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