1 /*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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_COMMON,
19 OPT_TOSEQ, OPT_IN, OPT_OUT,
20 OPT_PROV_ENUM
21 } OPTION_CHOICE;
22
23 const OPTIONS nseq_options[] = {
24 OPT_SECTION("General"),
25 {"help", OPT_HELP, '-', "Display this summary"},
26
27 OPT_SECTION("Input"),
28 {"in", OPT_IN, '<', "Input file"},
29
30 OPT_SECTION("Output"),
31 {"toseq", OPT_TOSEQ, '-', "Output NS Sequence file"},
32 {"out", OPT_OUT, '>', "Output file"},
33
34 OPT_PROV_OPTIONS,
35 {NULL}
36 };
37
nseq_main(int argc,char ** argv)38 int nseq_main(int argc, char **argv)
39 {
40 BIO *in = NULL, *out = NULL;
41 X509 *x509 = NULL;
42 NETSCAPE_CERT_SEQUENCE *seq = NULL;
43 OPTION_CHOICE o;
44 int toseq = 0, ret = 1, i;
45 char *infile = NULL, *outfile = NULL, *prog;
46
47 prog = opt_init(argc, argv, nseq_options);
48 while ((o = opt_next()) != OPT_EOF) {
49 switch (o) {
50 case OPT_EOF:
51 case OPT_ERR:
52 opthelp:
53 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
54 goto end;
55 case OPT_HELP:
56 ret = 0;
57 opt_help(nseq_options);
58 goto end;
59 case OPT_TOSEQ:
60 toseq = 1;
61 break;
62 case OPT_IN:
63 infile = opt_arg();
64 break;
65 case OPT_OUT:
66 outfile = opt_arg();
67 break;
68 case OPT_PROV_CASES:
69 if (!opt_provider(o))
70 goto end;
71 break;
72 }
73 }
74
75 /* No extra arguments. */
76 argc = opt_num_rest();
77 if (argc != 0)
78 goto opthelp;
79
80 in = bio_open_default(infile, 'r', FORMAT_PEM);
81 if (in == NULL)
82 goto end;
83 out = bio_open_default(outfile, 'w', FORMAT_PEM);
84 if (out == NULL)
85 goto end;
86
87 if (toseq) {
88 seq = NETSCAPE_CERT_SEQUENCE_new();
89 if (seq == NULL)
90 goto end;
91 seq->certs = sk_X509_new_null();
92 if (seq->certs == NULL)
93 goto end;
94 while ((x509 = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
95 if (!sk_X509_push(seq->certs, x509))
96 goto end;
97 }
98
99 if (!sk_X509_num(seq->certs)) {
100 BIO_printf(bio_err, "%s: Error reading certs file %s\n",
101 prog, infile);
102 ERR_print_errors(bio_err);
103 goto end;
104 }
105 PEM_write_bio_NETSCAPE_CERT_SEQUENCE(out, seq);
106 ret = 0;
107 goto end;
108 }
109
110 seq = PEM_read_bio_NETSCAPE_CERT_SEQUENCE(in, NULL, NULL, NULL);
111 if (seq == NULL) {
112 BIO_printf(bio_err, "%s: Error reading sequence file %s\n",
113 prog, infile);
114 ERR_print_errors(bio_err);
115 goto end;
116 }
117
118 for (i = 0; i < sk_X509_num(seq->certs); i++) {
119 x509 = sk_X509_value(seq->certs, i);
120 dump_cert_text(out, x509);
121 PEM_write_bio_X509(out, x509);
122 }
123 ret = 0;
124 end:
125 BIO_free(in);
126 BIO_free_all(out);
127 NETSCAPE_CERT_SEQUENCE_free(seq);
128
129 return ret;
130 }
131