testdisk/src/partauto.c
2020-08-08 12:35:17 +02:00

133 lines
3.4 KiB
C

/*
File: partauto.c
Copyright (C) 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
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "types.h"
#include "common.h"
#include "list.h"
#include "fnctdsk.h"
#include "partauto.h"
#include "log.h"
extern const arch_fnct_t arch_gpt;
extern const arch_fnct_t arch_humax;
extern const arch_fnct_t arch_i386;
extern const arch_fnct_t arch_mac;
extern const arch_fnct_t arch_none;
extern const arch_fnct_t arch_sun;
extern const arch_fnct_t arch_xbox;
void autodetect_arch(disk_t *disk, const arch_fnct_t *arch)
{
list_part_t *list_part=NULL;
#ifdef DEBUG_PARTAUTO
const int verbose=2;
#else
const int verbose=0;
unsigned int old_levels;
old_levels=log_set_levels(0);
#endif
{
disk->arch=&arch_none;
list_part=arch_none.read_part(disk,verbose,0);
if(list_part!=NULL && list_part->part!=NULL && list_part->part->upart_type==UP_UNK)
{
part_free_list(list_part);
list_part=NULL;
}
}
if(list_part==NULL)
{
disk->arch=&arch_xbox;
list_part=arch_xbox.read_part(disk,verbose,0);
}
if(list_part==NULL)
{
disk->arch=&arch_gpt;
list_part=arch_gpt.read_part(disk,verbose,0);
}
if(list_part==NULL)
{
disk->arch=&arch_humax;
list_part=arch_humax.read_part(disk,verbose,0);
}
if(list_part==NULL)
{
disk->arch=&arch_i386;
list_part=arch_i386.read_part(disk,verbose,0);
}
if(list_part==NULL)
{
disk->arch=&arch_sun;
list_part=arch_sun.read_part(disk,verbose,0);
}
if(list_part==NULL)
{
disk->arch=&arch_mac;
list_part=arch_mac.read_part(disk,verbose,0);
}
#ifndef DEBUG_PARTAUTO
log_set_levels(old_levels);
#endif
if(list_part!=NULL)
{
disk->arch_autodetected=disk->arch;
log_info("Partition table type (auto): %s\n", disk->arch->part_name);
part_free_list(list_part);
return ;
}
disk->arch_autodetected=NULL;
if(arch!=NULL)
{
disk->arch=arch;
}
else
{
#ifdef TARGET_SOLARIS
disk->arch=&arch_sun;
#elif defined __APPLE__
#ifdef TESTDISK_LSB
disk->arch=&arch_gpt;
#else
disk->arch=&arch_mac;
#endif
#else
#if defined(__CYGWIN__) || defined(__MINGW32__)
if(disk->device[0]=='\\' && disk->device[1]=='\\' && disk->device[2]=='.' && disk->device[3]=='\\' && disk->device[5]==':')
disk->arch=&arch_none;
else
#endif
/* PC/Intel partition table is limited to 2 TB, 2^32 512-bytes sectors */
if(disk->disk_size < ((uint64_t)1<<(32+9)))
disk->arch=&arch_i386;
else
disk->arch=&arch_gpt;
#endif
}
log_info("Partition table type defaults to %s\n", disk->arch->part_name);
}