155714Skris/* v3prin.c */ 2280304Sjkim/* 3280304Sjkim * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4280304Sjkim * 1999. 555714Skris */ 655714Skris/* ==================================================================== 755714Skris * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 855714Skris * 955714Skris * Redistribution and use in source and binary forms, with or without 1055714Skris * modification, are permitted provided that the following conditions 1155714Skris * are met: 1255714Skris * 1355714Skris * 1. Redistributions of source code must retain the above copyright 14280304Sjkim * notice, this list of conditions and the following disclaimer. 1555714Skris * 1655714Skris * 2. Redistributions in binary form must reproduce the above copyright 1755714Skris * notice, this list of conditions and the following disclaimer in 1855714Skris * the documentation and/or other materials provided with the 1955714Skris * distribution. 2055714Skris * 2155714Skris * 3. All advertising materials mentioning features or use of this 2255714Skris * software must display the following acknowledgment: 2355714Skris * "This product includes software developed by the OpenSSL Project 2455714Skris * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 2555714Skris * 2655714Skris * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 2755714Skris * endorse or promote products derived from this software without 2855714Skris * prior written permission. For written permission, please contact 2955714Skris * licensing@OpenSSL.org. 3055714Skris * 3155714Skris * 5. Products derived from this software may not be called "OpenSSL" 3255714Skris * nor may "OpenSSL" appear in their names without prior written 3355714Skris * permission of the OpenSSL Project. 3455714Skris * 3555714Skris * 6. Redistributions of any form whatsoever must retain the following 3655714Skris * acknowledgment: 3755714Skris * "This product includes software developed by the OpenSSL Project 3855714Skris * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 3955714Skris * 4055714Skris * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 4155714Skris * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4255714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4355714Skris * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 4455714Skris * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4555714Skris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 4655714Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 4755714Skris * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4955714Skris * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 5055714Skris * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 5155714Skris * OF THE POSSIBILITY OF SUCH DAMAGE. 5255714Skris * ==================================================================== 5355714Skris * 5455714Skris * This product includes cryptographic software written by Eric Young 5555714Skris * (eay@cryptsoft.com). This product includes software written by Tim 5655714Skris * Hudson (tjh@cryptsoft.com). 5755714Skris * 5855714Skris */ 5955714Skris 6055714Skris#include <stdio.h> 6155714Skris#include <openssl/asn1.h> 6255714Skris#include <openssl/conf.h> 6355714Skris#include <openssl/x509.h> 6455714Skris#include <openssl/x509v3.h> 6555714Skris 6655714Skrisint main(int argc, char **argv) 6755714Skris{ 68280304Sjkim X509 *cert; 69280304Sjkim FILE *inf; 70280304Sjkim int i, count; 71280304Sjkim X509_EXTENSION *ext; 72280304Sjkim X509V3_add_standard_extensions(); 73280304Sjkim ERR_load_crypto_strings(); 74280304Sjkim if (!argv[1]) { 75280304Sjkim fprintf(stderr, "Usage v3prin cert.pem\n"); 76280304Sjkim exit(1); 77280304Sjkim } 78280304Sjkim if (!(inf = fopen(argv[1], "r"))) { 79280304Sjkim fprintf(stderr, "Can't open %s\n", argv[1]); 80280304Sjkim exit(1); 81280304Sjkim } 82280304Sjkim if (!(cert = PEM_read_X509(inf, NULL, NULL))) { 83280304Sjkim fprintf(stderr, "Can't read certificate %s\n", argv[1]); 84280304Sjkim ERR_print_errors_fp(stderr); 85280304Sjkim exit(1); 86280304Sjkim } 87280304Sjkim fclose(inf); 88280304Sjkim count = X509_get_ext_count(cert); 89280304Sjkim printf("%d extensions\n", count); 90280304Sjkim for (i = 0; i < count; i++) { 91280304Sjkim ext = X509_get_ext(cert, i); 92280304Sjkim printf("%s\n", OBJ_nid2ln(OBJ_obj2nid(ext->object))); 93280304Sjkim if (!X509V3_EXT_print_fp(stdout, ext, 0, 0)) 94280304Sjkim ERR_print_errors_fp(stderr); 95280304Sjkim printf("\n"); 96280304Sjkim 97280304Sjkim } 98280304Sjkim return 0; 9955714Skris} 100