/*
 * include/krb5/kdb_dbc.h
 *
 * Copyright 1995 by the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  Furthermore if you modify this software you must label
 * your software as modified software and not distribute it in such a
 * fashion that it might be confused with the original M.I.T. software.
 * M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 * 
 *
 * KDC Database context definitions.
 */

/*
 * Copyright (C) 1998 by the FundsXpress, INC.
 * 
 * All rights reserved.
 * 
 * Export of this software from the United States of America may require
 * a specific license from the United States Government.  It is the
 * responsibility of any person or organization contemplating export to
 * obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of FundsXpress. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  FundsXpress makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */


#ifndef KRB5_KDB5_DBC__
#define KRB5_KDB5_DBC__

#include "kdb.h"
	
/* Per-database context. */
typedef struct __krb5_db_context {
    krb5_boolean        db_inited;      /* Context initialized          */
    char *              db_name;        /* Name of database             */
    DBM *               db_dbm_ctx;     /* DBM context for database     */
    char *              db_lf_name;     /* Name of lock file            */
    int                 db_lf_file;     /* File descriptor of lock file */
    time_t              db_lf_time;     /* Time last updated            */
    int                 db_locks_held;  /* Number of times locked       */
    int                 db_lock_mode;   /* Last lock mode, e.g. greatest*/
    krb5_boolean        db_nb_locks;    /* [Non]Blocking lock modes     */
    krb5_keyblock      *db_master_key;  /* Master key of database       */
    kdb5_dispatch_table *db_dispatch;   /* Dispatch table               */
} krb5_db_context;

krb5_error_code krb5_ktkdb_resolve
        (krb5_context, krb5_db_context *, krb5_keytab *);

krb5_error_code krb5_dbm_db_set_mkey
        (krb5_context,krb5_db_context *,krb5_encrypt_block *);

krb5_error_code krb5_dbm_db_get_mkey
        (krb5_context,krb5_db_context *,krb5_encrypt_block **);

#endif /* KRB5_KDB5_DBM__ */