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/*
* $Source$
* $Author$
* $Id$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* For copying and distribution information, please see the file
* <krb5/copyright.h>.
*
* Keytab definitions.
*/
#ifndef KRB5_KEYTAB__
#define KRB5_KEYTAB__
/* XXX */
#define MAX_KEYTAB_NAME_LEN 1100 /* Long enough for MAXPATHLEN + some extra */
typedef krb5_pointer krb5_kt_cursor; /* XXX */
typedef struct krb5_keytab_entry_st {
krb5_principal principal; /* principal of this key */
krb5_kvno vno; /* key version number */
krb5_keyblock key; /* the secret key */
} krb5_keytab_entry;
typedef struct _krb5_kt {
struct _krb5_kt_ops *ops;
krb5_pointer data;
} *krb5_keytab;
/* widen prototypes, if needed */
#include <krb5/widen.h>
typedef struct _krb5_kt_ops {
char *prefix;
/* routines always present */
krb5_error_code (*resolve) PROTOTYPE((char *,
krb5_keytab *));
krb5_error_code (*get_name) PROTOTYPE((krb5_keytab,
char *,
int));
krb5_error_code (*close) PROTOTYPE((krb5_keytab));
krb5_error_code (*get) PROTOTYPE((krb5_keytab,
krb5_principal,
krb5_kvno,
krb5_keytab_entry *));
krb5_error_code (*start_seq_get) PROTOTYPE((krb5_keytab,
krb5_kt_cursor *));
krb5_error_code (*get_next) PROTOTYPE((krb5_keytab,
krb5_keytab_entry *,
krb5_kt_cursor *));
krb5_error_code (*end_get) PROTOTYPE((krb5_keytab,
krb5_kt_cursor *));
/* routines to be included on extended version (write routines) */
krb5_error_code (*add) PROTOTYPE((krb5_keytab,
krb5_keytab_entry *));
krb5_error_code (*remove) PROTOTYPE((krb5_keytab,
krb5_keytab_entry *));
} krb5_kt_ops;
/* and back to narrow */
#include <krb5/narrow.h>
#define krb5_kt_get_name(keytab, name, namelen) (*(keytab)->ops->get_name)(keytab,name,namelen)
#define krb5_kt_close(keytab) (*(keytab)->ops->close)(keytab)
#define krb5_kt_get_entry(keytab, principal, vno, entry) (*(keytab)->ops->get)(keytab, principal, vno, entry)
#define krb5_kt_start_seq_get(keytab, cursor) (*(keytab)->ops->start_seq_get)(keytab, cursor)
#define krb5_kt_next_entry(keytab, entry, cursor) (*(keytab)->ops->get_next)(keytab, entry, cursor)
#define krb5_kt_end_seq_get(keytab, cursor) (*(keytab)->ops->end_get)(keytab, cursor)
/* remove and add are functions, so that they can return NOWRITE
if not a writable keytab */
extern krb5_kt_ops krb5_kt_dfl_ops;
#endif /* KRB5_KEYTAB__ */
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