text: /* $OpenBSD: t_crl.c,v 1.16 2014/07/12 16:33:25 miod Exp $ */
  /* 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/bn.h>
  #include <openssl/buffer.h>
  #include <openssl/err.h>
  #include <openssl/objects.h>
  #include <openssl/x509.h>
  #include <openssl/x509v3.h>
  
  int
  X509_CRL_print_fp(FILE *fp, X509_CRL *x)
  {
  	BIO *b;
  	int ret;
  
  	if ((b = BIO_new(BIO_s_file())) == NULL) {
  		X509error(ERR_R_BUF_LIB);
  		return (0);
  	}
  	BIO_set_fp(b, fp, BIO_NOCLOSE);
  	ret = X509_CRL_print(b, x);
  	BIO_free(b);
  	return (ret);
  }
  
  int
  X509_CRL_print(BIO *out, X509_CRL *x)
  {
  	STACK_OF(X509_REVOKED) *rev;
  	X509_REVOKED *r;
  	long l;
  	int i;
  	char *p;
  
  	BIO_printf(out, "Certificate Revocation List (CRL):\n");
  	l = X509_CRL_get_version(x);
  	BIO_printf(out, "%8sVersion %lu (0x%lx)\n", "", l + 1, l);
  	i = OBJ_obj2nid(x->sig_alg->algorithm);
  	if (X509_signature_print(out, x->sig_alg, NULL) == 0)
  		goto err;
  	p = X509_NAME_oneline(X509_CRL_get_issuer(x), NULL, 0);
  	if (p == NULL)
  		goto err;
  	BIO_printf(out, "%8sIssuer: %s\n", "", p);
  	free(p);
  	BIO_printf(out, "%8sLast Update: ", "");
  	ASN1_TIME_print(out, X509_CRL_get_lastUpdate(x));
  	BIO_printf(out, "\n%8sNext Update: ", "");
  	if (X509_CRL_get_nextUpdate(x))
  		ASN1_TIME_print(out, X509_CRL_get_nextUpdate(x));
  	else
  		BIO_printf(out, "NONE");
  	BIO_printf(out, "\n");
  
  	X509V3_extensions_print(out, "CRL extensions",
  	    x->crl->extensions, 0, 8);
  
  	rev = X509_CRL_get_REVOKED(x);
  
  	if (sk_X509_REVOKED_num(rev) > 0)
  		BIO_printf(out, "Revoked Certificates:\n");
  	else
  		BIO_printf(out, "No Revoked Certificates.\n");
  
  	for (i = 0; i < sk_X509_REVOKED_num(rev); i++) {
  		r = sk_X509_REVOKED_value(rev, i);
  		BIO_printf(out, "    Serial Number: ");
  		i2a_ASN1_INTEGER(out, r->serialNumber);
  		BIO_printf(out, "\n        Revocation Date: ");
  		ASN1_TIME_print(out, r->revocationDate);
  		BIO_printf(out, "\n");
  		X509V3_extensions_print(out, "CRL entry extensions",
  		    r->extensions, 0, 8);
  	}
  	if (X509_signature_print(out, x->sig_alg, x->signature) == 0)
  		goto err;
  
  	return 1;
  
  err:
  	return 0;
  }
  