/*
 * Copyright 1987, 1988 by the Massachusetts Institute of Technology.
 * For copying and distribution information, please see the file
 * <Copyright.MIT>.
 *
 * spm		Project Athena  8/85
 *
 * This file defines data structures for the kerberos
 * authentication/authorization database.
 *
 * They MUST correspond to those defined in *.rel
 *
 *	from: krb_db.h,v 4.9 89/01/24 17:55:39 jon Exp $
 *	$Id$
 */

#ifndef KRB_DB_DEFS
#define KRB_DB_DEFS

#define KERB_M_NAME		"K"	/* Kerberos */
#define KERB_M_INST		"M"	/* Master */
#define KERB_DEFAULT_NAME	"default"
#define KERB_DEFAULT_INST	""
#define	DBM_FILE		"/etc/kerberosIV/principal"

/* this also defines the number of queue headers */
#define KERB_DB_HASH_MODULO 64


/* Arguments to kerb_dbl_lock() */

#define KERB_DBL_EXCLUSIVE 1
#define KERB_DBL_SHARED 0

/* arguments to kerb_db_set_lockmode() */

#define KERB_DBL_BLOCKING 0
#define KERB_DBL_NONBLOCKING 1

/* Principal defines the structure of a principal's name */

typedef struct {
    char    name[ANAME_SZ];
    char    instance[INST_SZ];

    unsigned long key_low;
    unsigned long key_high;
    unsigned long exp_date;
    char    exp_date_txt[DATE_SZ];
    unsigned long mod_date;
    char    mod_date_txt[DATE_SZ];
    unsigned short attributes;
    unsigned char max_life;
    unsigned char kdc_key_ver;
    unsigned char key_version;

    char    mod_name[ANAME_SZ];
    char    mod_instance[INST_SZ];
    char   *old;		/* cast to (Principal *); not in db,
				 * ptr to old vals */
}
        Principal;

typedef struct {
    long    cpu;
    long    elapsed;
    long    dio;
    long    pfault;
    long    t_stamp;
    long    n_retrieve;
    long    n_replace;
    long    n_append;
    long    n_get_stat;
    long    n_put_stat;
}
        DB_stat;

/* Dba defines the structure of a database administrator */

typedef struct {
    char    name[ANAME_SZ];
    char    instance[INST_SZ];
    unsigned short attributes;
    unsigned long exp_date;
    char    exp_date_txt[DATE_SZ];
    char   *old;	/*
			 * cast to (Dba *); not in db, ptr to
			 * old vals
			 */
}
        Dba;

extern int kerb_get_principal(char *name, char *inst, Principal *principal,
    unsigned int max, int *more);
extern int kerb_put_principal(Principal *principal, unsigned int n);
extern void kerb_db_get_stat(DB_stat *s);
extern void kerb_db_put_stat(DB_stat *s);
extern int kerb_get_dba(char *name, char *inst, Dba *dba, unsigned int max,
    int *more);
extern int kerb_db_get_dba(char *dba_name, char *dba_inst, Dba *dba,
    unsigned int max, int *more);

extern void krb_print_principal(Principal *p);
extern int kerb_db_get_principal(char *name, char *inst, Principal *principal,
    unsigned int max, int *more);
extern int kerb_db_put_principal(Principal *principal, unsigned int max);
extern int kerb_db_init(void);
extern void kerb_db_fini(void);

#endif /* KRB_DB_DEFS */