testdisk/src/fatx.c
2016-01-23 10:07:42 +01:00

68 lines
2 KiB
C

/*
File: fatx.c
Copyright (C) 2005-2007 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "types.h"
#include "common.h"
#include "fatx.h"
static void set_FATX_info(partition_t *partition);
static int test_fatx(const struct disk_fatx *fatx_block)
{
if(memcmp(fatx_block->magic,"FATX",4)!=0)
return 1;
return 0;
}
int check_FATX(disk_t *disk_car,partition_t *partition)
{
unsigned char buffer[8*DEFAULT_SECTOR_SIZE];
if(disk_car->pread(disk_car, &buffer, sizeof(buffer), partition->part_offset) != sizeof(buffer))
{ return 1; }
if(test_fatx((const struct disk_fatx *)&buffer)!=0)
return 1;
set_FATX_info(partition);
return 0;
}
int recover_FATX(const struct disk_fatx *fatx_block, partition_t *partition)
{
if(test_fatx(fatx_block)!=0)
return 1;
set_FATX_info(partition);
partition->part_type_xbox=PXBOX_FATX;
/* FIXME: Locate the partition but cannot get the part_size unfortunatly */
partition->part_size=(uint64_t)le32(fatx_block->cluster_size_in_sector)*512;
return 0;
}
static void set_FATX_info(partition_t *partition)
{
partition->upart_type=UP_FATX;
partition->fsname[0]='\0';
strncpy(partition->info,"FATX",sizeof(partition->info));
}