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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/krb5/ccache/scc.h */
/*
* Copyright 1990,1991 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.
*/
/*
*
* This file contains constant and function declarations used in the
* file-based credential cache routines.
*/
#ifndef __KRB5_FILE_CCACHE__
#define __KRB5_FILE_CCACHE__
#include "k5-int.h"
#include <stdio.h>
#define KRB5_OK 0
#define KRB5_SCC_MAXLEN 100
/*
* SCC version 2 contains type information for principals. SCC
* version 1 does not. The code will accept either, and depending on
* what KRB5_SCC_DEFAULT_FVNO is set to, it will create version 1 or
* version 2 SCC caches.
*
*/
#define KRB5_SCC_FVNO_1 0x0501 /* krb v5, scc v1 */
#define KRB5_SCC_FVNO_2 0x0502 /* krb v5, scc v2 */
#define KRB5_SCC_FVNO_3 0x0503 /* krb v5, scc v3 */
#define KRB5_SCC_FVNO_4 0x0504 /* krb v5, scc v4 */
#define SCC_OPEN_AND_ERASE 1
#define SCC_OPEN_RDWR 2
#define SCC_OPEN_RDONLY 3
/* Credential file header tags.
* The header tags are constructed as:
* krb5_ui_2 tag
* krb5_ui_2 len
* krb5_octet data[len]
* This format allows for older versions of the fcc processing code to skip
* past unrecognized tag formats.
*/
#define SCC_TAG_DELTATIME 1
#ifndef TKT_ROOT
#define TKT_ROOT "/tmp/tkt"
#endif
/* macros to make checking flags easier */
#define OPENCLOSE(id) (((krb5_scc_data *)id->data)->flags & KRB5_TC_OPENCLOSE)
typedef struct _krb5_scc_data {
char *filename;
FILE *file;
krb5_flags flags;
char stdio_buffer[BUFSIZ];
int version;
} krb5_scc_data;
/* An off_t can be arbitrarily complex */
typedef struct _krb5_scc_cursor {
long pos;
} krb5_scc_cursor;
#define MAYBE_OPEN(context, ID, MODE) \
{ \
if (OPENCLOSE (ID)) { \
krb5_error_code maybe_open_ret = krb5_scc_open_file (context, ID,MODE); \
if (maybe_open_ret) return maybe_open_ret; } }
#define MAYBE_CLOSE(context, ID, RET) \
{ \
if (OPENCLOSE (ID)) { \
krb5_error_code maybe_close_ret = krb5_scc_close_file (context, ID); \
if (!(RET)) RET = maybe_close_ret; } }
/* DO NOT ADD ANYTHING AFTER THIS #endif */
#endif /* __KRB5_FILE_CCACHE__ */
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