crypto/x509v3/v3prin.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   3  * 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 #include <stdio.h>
  60 #include <openssl/asn1.h>
  61 #include <openssl/conf.h>
  62 #include <openssl/x509.h>
  63 #include <openssl/x509v3.h>
  64
  65 int main(int argc, char **argv)
  66 {
  67     X509 *cert;
  68     FILE *inf;
  69     int i, count;
  70     X509_EXTENSION *ext;
  71
  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")) == NULL) {
  79         fprintf(stderr, "Can't open %s\n", argv[1]);
  80         exit(1);
  81     }
  82     if ((cert = PEM_read_X509(inf, NULL, 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 }