xref: /freebsd/crypto/openssl/apps/nseq.c (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
1 /*
2  * Copyright 1999-2018 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 "progs.h"
14 #include <openssl/pem.h>
15 #include <openssl/err.h>
16 
17 typedef enum OPTION_choice {
18     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
19     OPT_TOSEQ, OPT_IN, OPT_OUT
20 } OPTION_CHOICE;
21 
22 const OPTIONS nseq_options[] = {
23     {"help", OPT_HELP, '-', "Display this summary"},
24     {"toseq", OPT_TOSEQ, '-', "Output NS Sequence file"},
25     {"in", OPT_IN, '<', "Input file"},
26     {"out", OPT_OUT, '>', "Output file"},
27     {NULL}
28 };
29 
30 int nseq_main(int argc, char **argv)
31 {
32     BIO *in = NULL, *out = NULL;
33     X509 *x509 = NULL;
34     NETSCAPE_CERT_SEQUENCE *seq = NULL;
35     OPTION_CHOICE o;
36     int toseq = 0, ret = 1, i;
37     char *infile = NULL, *outfile = NULL, *prog;
38 
39     prog = opt_init(argc, argv, nseq_options);
40     while ((o = opt_next()) != OPT_EOF) {
41         switch (o) {
42         case OPT_EOF:
43         case OPT_ERR:
44  opthelp:
45             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
46             goto end;
47         case OPT_HELP:
48             ret = 0;
49             opt_help(nseq_options);
50             goto end;
51         case OPT_TOSEQ:
52             toseq = 1;
53             break;
54         case OPT_IN:
55             infile = opt_arg();
56             break;
57         case OPT_OUT:
58             outfile = opt_arg();
59             break;
60         }
61     }
62     argc = opt_num_rest();
63     if (argc != 0)
64         goto opthelp;
65 
66     in = bio_open_default(infile, 'r', FORMAT_PEM);
67     if (in == NULL)
68         goto end;
69     out = bio_open_default(outfile, 'w', FORMAT_PEM);
70     if (out == NULL)
71         goto end;
72 
73     if (toseq) {
74         seq = NETSCAPE_CERT_SEQUENCE_new();
75         if (seq == NULL)
76             goto end;
77         seq->certs = sk_X509_new_null();
78         if (seq->certs == NULL)
79             goto end;
80         while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL)))
81             sk_X509_push(seq->certs, x509);
82 
83         if (!sk_X509_num(seq->certs)) {
84             BIO_printf(bio_err, "%s: Error reading certs file %s\n",
85                        prog, infile);
86             ERR_print_errors(bio_err);
87             goto end;
88         }
89         PEM_write_bio_NETSCAPE_CERT_SEQUENCE(out, seq);
90         ret = 0;
91         goto end;
92     }
93 
94     seq = PEM_read_bio_NETSCAPE_CERT_SEQUENCE(in, NULL, NULL, NULL);
95     if (seq == NULL) {
96         BIO_printf(bio_err, "%s: Error reading sequence file %s\n",
97                    prog, infile);
98         ERR_print_errors(bio_err);
99         goto end;
100     }
101 
102     for (i = 0; i < sk_X509_num(seq->certs); i++) {
103         x509 = sk_X509_value(seq->certs, i);
104         dump_cert_text(out, x509);
105         PEM_write_bio_X509(out, x509);
106     }
107     ret = 0;
108  end:
109     BIO_free(in);
110     BIO_free_all(out);
111     NETSCAPE_CERT_SEQUENCE_free(seq);
112 
113     return ret;
114 }
115