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334 lines
11 KiB
334 lines
11 KiB
/* apps/crl2p7.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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/* |
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* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and |
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* donated 'to the cause' along with lots and lots of other fixes to the |
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* library. |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <sys/types.h> |
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#include "apps.h" |
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#include <openssl/err.h> |
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#include <openssl/evp.h> |
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#include <openssl/x509.h> |
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#include <openssl/pkcs7.h> |
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#include <openssl/pem.h> |
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#include <openssl/objects.h> |
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static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); |
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#undef PROG |
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#define PROG crl2pkcs7_main |
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/*- |
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* -inform arg - input format - default PEM (DER or PEM) |
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* -outform arg - output format - default PEM |
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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, char **); |
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int MAIN(int argc, char **argv) |
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{ |
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int i, badops = 0; |
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BIO *in = NULL, *out = NULL; |
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int informat, outformat; |
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char *infile, *outfile, *prog, *certfile; |
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PKCS7 *p7 = NULL; |
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PKCS7_SIGNED *p7s = NULL; |
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X509_CRL *crl = NULL; |
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STACK_OF(OPENSSL_STRING) *certflst = NULL; |
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STACK_OF(X509_CRL) *crl_stack = NULL; |
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STACK_OF(X509) *cert_stack = NULL; |
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int ret = 1, nocrl = 0; |
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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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infile = NULL; |
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outfile = NULL; |
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informat = FORMAT_PEM; |
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outformat = FORMAT_PEM; |
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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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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, "-nocrl") == 0) { |
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nocrl = 1; |
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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, "-certfile") == 0) { |
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if (--argc < 1) |
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goto bad; |
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if (!certflst) |
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certflst = sk_OPENSSL_STRING_new_null(); |
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if (!certflst) |
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goto end; |
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if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) { |
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sk_OPENSSL_STRING_free(certflst); |
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goto end; |
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} |
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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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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, " -inform arg input format - DER or PEM\n"); |
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BIO_printf(bio_err, " -outform arg output format - DER or PEM\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, |
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" -certfile arg certificates file of chain to a trusted CA\n"); |
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BIO_printf(bio_err, " (can be used more than once)\n"); |
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BIO_printf(bio_err, |
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" -nocrl no crl to load, just certs from '-certfile'\n"); |
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ret = 1; |
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goto end; |
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} |
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ERR_load_crypto_strings(); |
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in = BIO_new(BIO_s_file()); |
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out = BIO_new(BIO_s_file()); |
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if ((in == NULL) || (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 (!nocrl) { |
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if (infile == NULL) |
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BIO_set_fp(in, stdin, BIO_NOCLOSE); |
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else { |
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if (BIO_read_filename(in, infile) <= 0) { |
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perror(infile); |
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goto end; |
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} |
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} |
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if (informat == FORMAT_ASN1) |
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crl = d2i_X509_CRL_bio(in, NULL); |
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else if (informat == FORMAT_PEM) |
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crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); |
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else { |
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BIO_printf(bio_err, "bad input format specified for input crl\n"); |
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goto end; |
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} |
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if (crl == NULL) { |
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BIO_printf(bio_err, "unable to load CRL\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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if ((p7 = PKCS7_new()) == NULL) |
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goto end; |
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if ((p7s = PKCS7_SIGNED_new()) == NULL) |
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goto end; |
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p7->type = OBJ_nid2obj(NID_pkcs7_signed); |
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p7->d.sign = p7s; |
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p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data); |
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if (!ASN1_INTEGER_set(p7s->version, 1)) |
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goto end; |
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if ((crl_stack = sk_X509_CRL_new_null()) == NULL) |
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goto end; |
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p7s->crl = crl_stack; |
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if (crl != NULL) { |
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sk_X509_CRL_push(crl_stack, crl); |
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crl = NULL; /* now part of p7 for OPENSSL_freeing */ |
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} |
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if ((cert_stack = sk_X509_new_null()) == NULL) |
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goto end; |
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p7s->cert = cert_stack; |
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if (certflst) |
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for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { |
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certfile = sk_OPENSSL_STRING_value(certflst, i); |
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if (add_certs_from_file(cert_stack, certfile) < 0) { |
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BIO_printf(bio_err, "error loading certificates\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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sk_OPENSSL_STRING_free(certflst); |
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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 (outformat == FORMAT_ASN1) |
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i = i2d_PKCS7_bio(out, p7); |
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else if (outformat == FORMAT_PEM) |
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i = PEM_write_bio_PKCS7(out, p7); |
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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 pkcs7 object\n"); |
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ERR_print_errors(bio_err); |
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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 (in != NULL) |
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BIO_free(in); |
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if (out != NULL) |
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BIO_free_all(out); |
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if (p7 != NULL) |
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PKCS7_free(p7); |
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if (crl != NULL) |
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X509_CRL_free(crl); |
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apps_shutdown(); |
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OPENSSL_EXIT(ret); |
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} |
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/*- |
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*---------------------------------------------------------------------- |
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* int add_certs_from_file |
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* |
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* Read a list of certificates to be checked from a file. |
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* |
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* Results: |
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* number of certs added if successful, -1 if not. |
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*---------------------------------------------------------------------- |
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*/ |
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static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) |
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{ |
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BIO *in = NULL; |
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int count = 0; |
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int ret = -1; |
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STACK_OF(X509_INFO) *sk = NULL; |
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X509_INFO *xi; |
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in = BIO_new(BIO_s_file()); |
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if ((in == NULL) || (BIO_read_filename(in, certfile) <= 0)) { |
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BIO_printf(bio_err, "error opening the file, %s\n", certfile); |
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goto end; |
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} |
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/* This loads from a file, a stack of x509/crl/pkey sets */ |
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sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); |
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if (sk == NULL) { |
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BIO_printf(bio_err, "error reading the file, %s\n", certfile); |
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goto end; |
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} |
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/* scan over it and pull out the CRL's */ |
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while (sk_X509_INFO_num(sk)) { |
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xi = sk_X509_INFO_shift(sk); |
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if (xi->x509 != NULL) { |
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sk_X509_push(stack, xi->x509); |
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xi->x509 = NULL; |
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count++; |
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} |
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X509_INFO_free(xi); |
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} |
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ret = count; |
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end: |
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/* never need to OPENSSL_free x */ |
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if (in != NULL) |
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BIO_free(in); |
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if (sk != NULL) |
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sk_X509_INFO_free(sk); |
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return (ret); |
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}
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