bin/openssl/nseq.c

   1 /* $OpenBSD: nseq.c,v 1.8 2018/02/07 05:47:55 jsing Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <stdio.h>
  60 #include <string.h>
  61
  62 #include "apps.h"
  63
  64 #include <openssl/err.h>
  65 #include <openssl/pem.h>
  66
  67 static struct {
  68         char *infile;
  69         char *outfile;
  70         int toseq;
  71 } nseq_config;
  72
  73 static struct option nseq_options[] = {
  74         {
  75                 .name = "in",
  76                 .argname = "file",
  77                 .desc = "Input file to read from (default stdin)",
  78                 .type = OPTION_ARG,
  79                 .opt.arg = &nseq_config.infile,
  80         },
  81         {
  82                 .name = "out",
  83                 .argname = "file",
  84                 .desc = "Output file to write to (default stdout)",
  85                 .type = OPTION_ARG,
  86                 .opt.arg = &nseq_config.outfile,
  87         },
  88         {
  89                 .name = "toseq",
  90                 .desc = "Convert certificates to Netscape certificate sequence",
  91                 .type = OPTION_FLAG,
  92                 .opt.flag = &nseq_config.toseq,
  93         },
  94         { NULL },
  95 };
  96
  97 static void
  98 nseq_usage()
  99 {
 100         fprintf(stderr, "usage: nseq [-in file] [-out file] [-toseq]\n");
 101         options_usage(nseq_options);
 102 }
 103
 104 int
 105 nseq_main(int argc, char **argv)
 106 {
 107         BIO *in = NULL, *out = NULL;
 108         X509 *x509 = NULL;
 109         NETSCAPE_CERT_SEQUENCE *seq = NULL;
 110         int i, ret = 1;
 111
 112         if (single_execution) {
 113                 if (pledge("stdio cpath wpath rpath", NULL) == -1) {
 114                         perror("pledge");
 115                         exit(1);
 116                 }
 117         }
 118
 119         memset(&nseq_config, 0, sizeof(nseq_config));
 120
 121         if (options_parse(argc, argv, nseq_options, NULL, NULL) != 0) {
 122                 nseq_usage();
 123                 return (1);
 124         }
 125
 126         if (nseq_config.infile) {
 127                 if (!(in = BIO_new_file(nseq_config.infile, "r"))) {
 128                         BIO_printf(bio_err,
 129                             "Can't open input file %s\n", nseq_config.infile);
 130                         goto end;
 131                 }
 132         } else
 133                 in = BIO_new_fp(stdin, BIO_NOCLOSE);
 134
 135         if (nseq_config.outfile) {
 136                 if (!(out = BIO_new_file(nseq_config.outfile, "w"))) {
 137                         BIO_printf(bio_err,
 138                             "Can't open output file %s\n", nseq_config.outfile);
 139                         goto end;
 140                 }
 141         } else {
 142                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
 143         }
 144         if (nseq_config.toseq) {
 145                 seq = NETSCAPE_CERT_SEQUENCE_new();
 146                 seq->certs = sk_X509_new_null();
 147                 while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL)))
 148                         sk_X509_push(seq->certs, x509);
 149
 150                 if (!sk_X509_num(seq->certs)) {
 151                         BIO_printf(bio_err, "Error reading certs file %s\n", nseq_config.infile);
 152                         ERR_print_errors(bio_err);
 153                         goto end;
 154                 }
 155                 PEM_write_bio_NETSCAPE_CERT_SEQUENCE(out, seq);
 156                 ret = 0;
 157                 goto end;
 158         }
 159         if (!(seq = PEM_read_bio_NETSCAPE_CERT_SEQUENCE(in, NULL, NULL, NULL))) {
 160                 BIO_printf(bio_err, "Error reading sequence file %s\n", nseq_config.infile);
 161                 ERR_print_errors(bio_err);
 162                 goto end;
 163         }
 164         for (i = 0; i < sk_X509_num(seq->certs); i++) {
 165                 x509 = sk_X509_value(seq->certs, i);
 166                 dump_cert_text(out, x509);
 167                 PEM_write_bio_X509(out, x509);
 168         }
 169         ret = 0;
 170  end:
 171         BIO_free(in);
 172         BIO_free_all(out);
 173         NETSCAPE_CERT_SEQUENCE_free(seq);
 174
 175         return (ret);
 176 }