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/*
 * Copyright (c) 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden). 
 * 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. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS 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 INSTITUTE OR 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. 
 */

/* $Id: windc_plugin.h 19798 2007-01-10 15:24:51Z lha $ */

#ifndef HEIMDAL_KRB5_PAC_PLUGIN_H
#define HEIMDAL_KRB5_PAC_PLUGIN_H 1

#include <krb5.h>

/*
 * The PAC generate function should allocate a krb5_pac using
 * krb5_pac_init and fill in the PAC structure for the principal using
 * krb5_pac_add_buffer.
 *
 * The PAC verify function should verify all components in the PAC
 * using krb5_pac_get_types and krb5_pac_get_buffer for all types.
 *
 * Check client access function check if the client is authorized.
 */

struct hdb_entry_ex;

typedef krb5_error_code 
(*krb5plugin_windc_pac_generate)(void *, krb5_context,
				 struct hdb_entry_ex *, krb5_pac *);

typedef krb5_error_code 
(*krb5plugin_windc_pac_verify)(void *, krb5_context,
			       const krb5_principal,
			       struct hdb_entry_ex *, 
			       struct hdb_entry_ex *,
			       krb5_pac *);

typedef krb5_error_code 
(*krb5plugin_windc_client_access)(
    void *, krb5_context, struct hdb_entry_ex *, KDC_REQ *);


#define KRB5_WINDC_PLUGING_MINOR		2

typedef struct krb5plugin_windc_ftable {
    int			minor_version;
    krb5_error_code	(*init)(krb5_context, void **);
    void		(*fini)(void *);
    krb5plugin_windc_pac_generate	pac_generate;
    krb5plugin_windc_pac_verify		pac_verify;
    krb5plugin_windc_client_access	client_access;
} krb5plugin_windc_ftable;

#endif /* HEIMDAL_KRB5_PAC_PLUGIN_H */