mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
0e4c358e27
We change all the headers and wscript files to use tdb_compat; this means we have one place to decide whether to use TDB1 or TDB2. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
|
|
* Unix SMB/CIFS implementation.
|
|
*
|
|
* A general tdb content validation mechanism
|
|
*
|
|
* Copyright (C) Michael Adam 2007
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __TDB_VALIDATE_H__
|
|
#define __TDB_VALIDATE_H__
|
|
|
|
#include "lib/replace/replace.h"
|
|
#include "tdb_compat.h"
|
|
|
|
/**
|
|
* Flag field for keeping track of the status of a validation.
|
|
*/
|
|
struct tdb_validation_status {
|
|
bool tdb_error;
|
|
bool bad_freelist;
|
|
bool bad_entry;
|
|
bool unknown_key;
|
|
bool success;
|
|
};
|
|
|
|
/**
|
|
* Callback function type for the validation mechanism.
|
|
*/
|
|
typedef int (*tdb_validate_data_func)(TDB_CONTEXT *the_tdb, TDB_DATA kbuf,
|
|
TDB_DATA dbuf, void *state);
|
|
|
|
/**
|
|
* tdb validation function.
|
|
* returns 0 if tdb is ok, != 0 if it isn't.
|
|
* this function expects an opened tdb.
|
|
*/
|
|
int tdb_validate(struct tdb_context *tdb,
|
|
tdb_validate_data_func validate_fn);
|
|
|
|
/**
|
|
* tdb validation function.
|
|
* returns 0 if tdb is ok, != 0 if it isn't.
|
|
* This is a wrapper around the actual validation function that
|
|
* opens and closes the tdb.
|
|
*/
|
|
int tdb_validate_open(const char *tdb_path,
|
|
tdb_validate_data_func validate_fn);
|
|
|
|
/**
|
|
* validation function with backup handling:
|
|
*
|
|
* - calls tdb_validate
|
|
* - if the tdb is ok, create a backup "name.bak", possibly moving
|
|
* existing backup to name.bak.old,
|
|
* return 0 (success) even if the backup fails
|
|
* - if the tdb is corrupt:
|
|
* - move the tdb to "name.corrupt"
|
|
* - check if there is valid backup.
|
|
* if so, restore the backup.
|
|
* if restore is successful, return 0 (success),
|
|
* - otherwise return -1 (failure)
|
|
*/
|
|
int tdb_validate_and_backup(const char *tdb_path,
|
|
tdb_validate_data_func validate_fn);
|
|
|
|
#endif /* __TDB_VALIDATE_H__ */
|