v3prin.c revision 55714 
1/* v3prin.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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
60
61#include <stdio.h>
62#include "cryptlib.h"
63#include <openssl/asn1.h>
64#include <openssl/asn1_mac.h>
65#include <openssl/conf.h>
66#include <openssl/x509.h>
67#include <openssl/x509v3.h>
68
69int main(int argc, char **argv)
70{
71	X509 *cert;
72	FILE *inf;
73	int i, count;
74	X509_EXTENSION *ext;
75	X509V3_add_standard_extensions();
76	ERR_load_crypto_strings();
77	if(!argv[1]) {
78		fprintf(stderr, "Usage v3prin cert.pem\n");
79		exit(1);
80	}
81	if(!(inf = fopen(argv[1], "r"))) {
82		fprintf(stderr, "Can't open %s\n", argv[1]);
83		exit(1);
84	}
85	if(!(cert = PEM_read_X509(inf, NULL, NULL))) {
86		fprintf(stderr, "Can't read certificate %s\n", argv[1]);
87		ERR_print_errors_fp(stderr);
88		exit(1);
89	}
90	fclose(inf);
91	count = X509_get_ext_count(cert);
92	printf("%d extensions\n", count);
93	for(i = 0; i < count; i++) {
94		ext = X509_get_ext(cert, i);
95		printf("%s\n", OBJ_nid2ln(OBJ_obj2nid(ext->object)));
96		if(!X509V3_EXT_print_fp(stdout, ext, 0, 0)) ERR_print_errors_fp(stderr);
97		printf("\n");
98
99	}
100	return 0;
101}
102