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/*
File: hpfs.c
Copyright (C) 1998-2009 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
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h> /* free */
#endif
#include "types.h"
#include "common.h"
#include "fat.h"
#include "fat_common.h"
#include "hpfs.h"
#include "fnctdsk.h"
#include "intrf.h"
#include "log.h"
#include "log_part.h"
static void set_HPFS_info(partition_t *partition)
{
partition->upart_type=UP_HPFS;
}
static int test_HPFS(const disk_t *disk_car, const struct fat_boot_sector *hpfs_header, const partition_t *partition, const int verbose, const int dump_ind)
{
const char*buffer=(const char*)hpfs_header;
if(le16(hpfs_header->marker)==0xAA55)
{
if(memcmp(buffer+3,"IBM",3)==0)
{ /* D'apres une analyse de OS2 sur systeme FAT...
FAT_NAME1=FAT
*/
if(verbose||dump_ind)
{
log_info("\nHPFS maybe at %u/%u/%u\n",
offset2cylinder(disk_car,partition->part_offset),
offset2head(disk_car,partition->part_offset),
offset2sector(disk_car,partition->part_offset));
}
if(dump_ind!=0)
dump_log(buffer, DEFAULT_SECTOR_SIZE);
return 0;
}
} /* fin marqueur de fin :)) */
return 1;
}
int recover_HPFS(const disk_t *disk_car, const struct fat_boot_sector *hpfs_header, partition_t *partition, const int verbose)
{
if(test_HPFS(disk_car, hpfs_header, partition, verbose,0)!=0)
return 1;
set_HPFS_info(partition);
partition->part_type_i386=P_HPFS;
partition->part_type_gpt=GPT_ENT_TYPE_MAC_HFS;
partition->fsname[0]='\0';
partition->info[0]='\0';
partition->part_size=(uint64_t)(fat_sectors(hpfs_header)>0?fat_sectors(hpfs_header):le32(hpfs_header->total_sect)) *
fat_sector_size(hpfs_header);
return 0;
}
int check_HPFS(disk_t *disk_car,partition_t *partition,const int verbose)
{
unsigned char *buffer=(unsigned char *)MALLOC(disk_car->sector_size);
if((unsigned)disk_car->pread(disk_car, buffer, disk_car->sector_size, partition->part_offset) != disk_car->sector_size)
{
screen_buffer_add("check_HPFS: Read error\n");
log_error("check_HPFS: Read error\n");
free(buffer);
return 1;
}
if(test_HPFS(disk_car,(const struct fat_boot_sector *)buffer,partition,verbose,0)!=0)
{
if(verbose>0)
{
log_info("\n\ntest_HPFS()\n");
log_partition(disk_car,partition);
}
free(buffer);
return 1;
}
set_HPFS_info(partition);
free(buffer);
return 0;
}
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