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9aeaf1b4 | 1 | /* v3prin.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
4 | * 1999. | |
9aeaf1b4 DSH |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
9aeaf1b4 DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
54 | * This product includes cryptographic software written by Eric Young | |
55 | * (eay@cryptsoft.com). This product includes software written by Tim | |
56 | * Hudson (tjh@cryptsoft.com). | |
57 | * | |
58 | */ | |
e527ba09 | 59 | |
e527ba09 | 60 | #include <stdio.h> |
ec577822 | 61 | #include <openssl/asn1.h> |
ec577822 BM |
62 | #include <openssl/conf.h> |
63 | #include <openssl/x509.h> | |
64 | #include <openssl/x509v3.h> | |
9aeaf1b4 | 65 | |
6b691a5c | 66 | int main(int argc, char **argv) |
9aeaf1b4 | 67 | { |
0f113f3e MC |
68 | X509 *cert; |
69 | FILE *inf; | |
70 | int i, count; | |
71 | X509_EXTENSION *ext; | |
72 | X509V3_add_standard_extensions(); | |
73 | ERR_load_crypto_strings(); | |
74 | if (!argv[1]) { | |
75 | fprintf(stderr, "Usage v3prin cert.pem\n"); | |
76 | exit(1); | |
77 | } | |
78 | if (!(inf = fopen(argv[1], "r"))) { | |
79 | fprintf(stderr, "Can't open %s\n", argv[1]); | |
80 | exit(1); | |
81 | } | |
82 | if (!(cert = PEM_read_X509(inf, NULL, NULL))) { | |
83 | fprintf(stderr, "Can't read certificate %s\n", argv[1]); | |
84 | ERR_print_errors_fp(stderr); | |
85 | exit(1); | |
86 | } | |
87 | fclose(inf); | |
88 | count = X509_get_ext_count(cert); | |
89 | printf("%d extensions\n", count); | |
90 | for (i = 0; i < count; i++) { | |
91 | ext = X509_get_ext(cert, i); | |
92 | printf("%s\n", OBJ_nid2ln(OBJ_obj2nid(ext->object))); | |
93 | if (!X509V3_EXT_print_fp(stdout, ext, 0, 0)) | |
94 | ERR_print_errors_fp(stderr); | |
95 | printf("\n"); | |
96 | ||
97 | } | |
98 | return 0; | |
9aeaf1b4 | 99 | } |