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/* t_crl.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 "cryptlib.h"
#include "buffer.h"
#include "bn.h"
#include "objects.h"
#include "x509.h"
#include "x509v3.h"

#ifndef NOPROTO
static void ext_print(BIO *out, X509_EXTENSION *ex);
#else
static void ext_print();
#endif

#ifndef NO_FP_API
int X509_CRL_print_fp(fp,x)
FILE *fp;
X509_CRL *x;
        {
        BIO *b;
        int ret;

        if ((b=BIO_new(BIO_s_file())) == NULL)
		{
		X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB);
                return(0);
		}
        BIO_set_fp(b,fp,BIO_NOCLOSE);
        ret=X509_CRL_print(b, x);
        BIO_free(b);
        return(ret);
        }
#endif

int X509_CRL_print(out, x)
BIO *out;
X509_CRL *x;
{
	char buf[256];
	unsigned char *s;
	STACK *rev;
	X509_REVOKED *r;
	long l;
	int i, j, n;

	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);
	BIO_printf(out, "%8sSignature Algorithm: %s\n", "",
				 (i == NID_undef) ? "NONE" : OBJ_nid2ln(i));
	X509_NAME_oneline(X509_CRL_get_issuer(x),buf,256);
	BIO_printf(out,"%8sIssuer: %s\n","",buf);
	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");

	n=X509_CRL_get_ext_count(x);
	if (n > 0) {
		BIO_printf(out,"%8sCRL extensions:\n","");
		for (i=0; i<n; i++) ext_print(out, X509_CRL_get_ext(x, i));
	}


	rev = X509_CRL_get_REVOKED(x);

	if(sk_num(rev)) BIO_printf(out, "Revoked Certificates:\n");
	else BIO_printf(out, "No Revoked Certificates.\n");

	for(i = 0; i < sk_num(rev); i++) {
		r = (X509_REVOKED *) sk_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");
		for(j = 0; j < X509_REVOKED_get_ext_count(r); j++)
				ext_print(out, X509_REVOKED_get_ext(r, j));
	}

	i=OBJ_obj2nid(x->sig_alg->algorithm);
	BIO_printf(out,"    Signature Algorithm: %s",
				(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i));

	s = x->signature->data;
	n = x->signature->length;
	for (i=0; i<n; i++, s++)
	{
		if ((i%18) == 0) BIO_write(out,"\n        ",9);
		BIO_printf(out,"%02x%s",*s, ((i+1) == n)?"":":");
	}
	BIO_write(out,"\n",1);

	return 1;

}

static void ext_print(out, ex)
BIO *out;
X509_EXTENSION *ex;
{
	ASN1_OBJECT *obj;
	int j;
	BIO_printf(out,"%12s","");
	obj=X509_EXTENSION_get_object(ex);
	i2a_ASN1_OBJECT(out,obj);
	j=X509_EXTENSION_get_critical(ex);
	BIO_printf(out, ": %s\n", j ? "critical":"","");
	if(!X509V3_EXT_print(out, ex, 0, 16)) {
		BIO_printf(out, "%16s", "");
		ASN1_OCTET_STRING_print(out,ex->value);
	}
	BIO_write(out,"\n",1);
}