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