xref: /dragonfly/crypto/libressl/apps/openssl/nseq.c (revision f5b1c8a1)
1 /* $OpenBSD: nseq.c,v 1.5 2015/10/10 22:28:51 doug 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 rpath wpath cpath", 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 }
177