apps/nseq.c

   1 /*
   2  * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include "apps.h"
  13 #include <openssl/pem.h>
  14 #include <openssl/err.h>
  15
  16 typedef enum OPTION_choice {
  17     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  18     OPT_TOSEQ, OPT_IN, OPT_OUT
  19 } OPTION_CHOICE;
  20
  21 const OPTIONS nseq_options[] = {
  22     {"help", OPT_HELP, '-', "Display this summary"},
  23     {"toseq", OPT_TOSEQ, '-', "Output NS Sequence file"},
  24     {"in", OPT_IN, '<', "Input file"},
  25     {"out", OPT_OUT, '>', "Output file"},
  26     {NULL}
  27 };
  28
  29 int nseq_main(int argc, char **argv)
  30 {
  31     BIO *in = NULL, *out = NULL;
  32     X509 *x509 = NULL;
  33     NETSCAPE_CERT_SEQUENCE *seq = NULL;
  34     OPTION_CHOICE o;
  35     int toseq = 0, ret = 1, i;
  36     char *infile = NULL, *outfile = NULL, *prog;
  37
  38     prog = opt_init(argc, argv, nseq_options);
  39     while ((o = opt_next()) != OPT_EOF) {
  40         switch (o) {
  41         case OPT_EOF:
  42         case OPT_ERR:
  43  opthelp:
  44             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
  45             goto end;
  46         case OPT_HELP:
  47             ret = 0;
  48             opt_help(nseq_options);
  49             goto end;
  50         case OPT_TOSEQ:
  51             toseq = 1;
  52             break;
  53         case OPT_IN:
  54             infile = opt_arg();
  55             break;
  56         case OPT_OUT:
  57             outfile = opt_arg();
  58             break;
  59         }
  60     }
  61     argc = opt_num_rest();
  62     if (argc != 0)
  63         goto opthelp;
  64
  65     in = bio_open_default(infile, 'r', FORMAT_PEM);
  66     if (in == NULL)
  67         goto end;
  68     out = bio_open_default(outfile, 'w', FORMAT_PEM);
  69     if (out == NULL)
  70         goto end;
  71
  72     if (toseq) {
  73         seq = NETSCAPE_CERT_SEQUENCE_new();
  74         if (seq == NULL)
  75             goto end;
  76         seq->certs = sk_X509_new_null();
  77         if (seq->certs == NULL)
  78             goto end;
  79         while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL)))
  80             sk_X509_push(seq->certs, x509);
  81
  82         if (!sk_X509_num(seq->certs)) {
  83             BIO_printf(bio_err, "%s: Error reading certs file %s\n",
  84                        prog, infile);
  85             ERR_print_errors(bio_err);
  86             goto end;
  87         }
  88         PEM_write_bio_NETSCAPE_CERT_SEQUENCE(out, seq);
  89         ret = 0;
  90         goto end;
  91     }
  92
  93     seq = PEM_read_bio_NETSCAPE_CERT_SEQUENCE(in, NULL, NULL, NULL);
  94     if (seq == NULL) {
  95         BIO_printf(bio_err, "%s: Error reading sequence file %s\n",
  96                    prog, infile);
  97         ERR_print_errors(bio_err);
  98         goto end;
  99     }
 100
 101     for (i = 0; i < sk_X509_num(seq->certs); i++) {
 102         x509 = sk_X509_value(seq->certs, i);
 103         dump_cert_text(out, x509);
 104         PEM_write_bio_X509(out, x509);
 105     }
 106     ret = 0;
 107  end:
 108     BIO_free(in);
 109     BIO_free_all(out);
 110     NETSCAPE_CERT_SEQUENCE_free(seq);
 111
 112     return (ret);
 113 }