/*

    File: ntfs.h

    Copyright (C) 1998-2006,2008 Christophe GRENIER <grenier@cgsecurity.org>
  
    This software 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 2 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, write the Free Software Foundation, Inc., 51
    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */
#ifndef _NTFS_H
#define _NTFS_H
#include "ntfs_struct.h"
#ifdef __cplusplus
extern "C" {
#endif

/*@
  @ requires \valid(disk_car);
  @ requires valid_disk(disk_car);
  @ requires \valid(partition);
  @ requires \separated(disk_car, partition);
  @ decreases 0;
  @*/
int check_NTFS(disk_t *disk_car, partition_t *partition, const int verbose, const int dump_ind);

/*@
  @ requires \valid_read(ntfs_header);
  @*/
int log_ntfs_info(const struct ntfs_boot_sector *ntfs_header);

/*@
  @ requires \valid_read(partition);
  @ assigns  \nothing;
  @*/
int is_ntfs(const partition_t *partition);

/*@
  @ requires \valid_read(partition);
  @ assigns  \nothing;
  @*/
int is_part_ntfs(const partition_t *partition);

/*@
  @ requires \valid(disk_car);
  @ requires valid_disk(disk_car);
  @ requires \valid_read(ntfs_header);
  @ requires \valid(partition);
  @ requires \separated(disk_car, ntfs_header, partition);
  @*/
int recover_NTFS(disk_t *disk_car, const struct ntfs_boot_sector*ntfs_header, partition_t *partition, const int verbose, const int dump_ind, const int backup);

/*@
  @ requires \valid_read(disk_car);
  @ requires \valid_read(ntfs_header);
  @ requires \valid_read(partition);
  @ requires \separated(disk_car, ntfs_header, partition);
  @*/
int test_NTFS(const disk_t *disk_car, const struct ntfs_boot_sector*ntfs_header, const partition_t *partition, const int verbose, const int dump_ind);

#define NTFS_GETU8(p)      (*(const uint8_t*)(p))
#define NTFS_GETU16(p)     (le16(*(const uint16_t*)(p)))
#define NTFS_GETU32(p)     (le32(*(const uint32_t*)(p)))
#define NTFS_GETU64(p)     (le64(*(const uint64_t*)(p)))

/*@
  @ requires \valid_read(ntfs_header);
  @ assigns  \nothing;
  @*/
unsigned int ntfs_sector_size(const struct ntfs_boot_sector *ntfs_header);

/*@
  @ requires \valid_read(record);
  @*/
const ntfs_attribheader* ntfs_findattribute(const ntfs_recordheader* record, uint32_t attrType, const char* end);

/*@
  @ requires \valid_read(attrib);
  @ assigns  \nothing;
  @*/
const char* ntfs_getattributedata(const ntfs_attribresident* attrib, const char* end);

/*@
  @ requires \valid_read(attrnr);
  @*/
long int ntfs_get_first_rl_element(const ntfs_attribnonresident *attrnr, const char* end);

#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif