99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
/* v3prin.c */
|
|
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
|
* project 1999.
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* licensing@OpenSSL.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <openssl/asn1.h>
|
|
#include <openssl/conf.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/x509v3.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
X509 *cert;
|
|
FILE *inf;
|
|
int i, count;
|
|
X509_EXTENSION *ext;
|
|
X509V3_add_standard_extensions();
|
|
ERR_load_crypto_strings();
|
|
if(!argv[1]) {
|
|
fprintf(stderr, "Usage v3prin cert.pem\n");
|
|
exit(1);
|
|
}
|
|
if(!(inf = fopen(argv[1], "r"))) {
|
|
fprintf(stderr, "Can't open %s\n", argv[1]);
|
|
exit(1);
|
|
}
|
|
if(!(cert = PEM_read_X509(inf, NULL, NULL))) {
|
|
fprintf(stderr, "Can't read certificate %s\n", argv[1]);
|
|
ERR_print_errors_fp(stderr);
|
|
exit(1);
|
|
}
|
|
fclose(inf);
|
|
count = X509_get_ext_count(cert);
|
|
printf("%d extensions\n", count);
|
|
for(i = 0; i < count; i++) {
|
|
ext = X509_get_ext(cert, i);
|
|
printf("%s\n", OBJ_nid2ln(OBJ_obj2nid(ext->object)));
|
|
if(!X509V3_EXT_print_fp(stdout, ext, 0, 0)) ERR_print_errors_fp(stderr);
|
|
printf("\n");
|
|
|
|
}
|
|
return 0;
|
|
}
|