crypto/x509v3/v3prin.c

   1 /* v3prin.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   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
  14  *    notice, this list of conditions and the following disclaimer.
  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  */
  59
  60 #include <stdio.h>
  61 #include <openssl/asn1.h>
  62 #include <openssl/conf.h>
  63 #include <openssl/x509.h>
  64 #include <openssl/x509v3.h>
  65
  66 int main(int argc, char **argv)
  67 {
  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;
  99 }