filesystems

sleuthit-2.09 一个磁盘的工具集

#>>>>>16	ubyte		=2		\b, FATs %u (usual)
>>>>>16		ubyte		=1		\b, FAT  %u
>>>>>16		ubyte		>0
>>>>>17		uleshort	>0		\b, root entries %u
#>>>>>17	uleshort	=0		\b, root entries %u=0 (usual Fat32)
>>>>>19		uleshort	>0		\b, sectors %u (volumes <=32 MB) 
#>>>>>19	uleshort	=0		\b, sectors %u=0 (usual Fat32)
>>>>>21		ubyte		>0xF0		\b, Media descriptor 0x%x
#>>>>>21	ubyte		=0xF0		\b, Media descriptor 0x%x (usual floppy)
>>>>>21		ubyte		<0xF0		\b, Media descriptor 0x%x
>>>>>22		uleshort	>0		\b, sectors/FAT %u
#>>>>>22	uleshort	=0		\b, sectors/FAT %u=0 (usual Fat32)
>>>>>26		ubyte		>2		\b, heads %u
#>>>>>26	ubyte		=2		\b, heads %u (usual floppy)
>>>>>26		ubyte		=1		\b, heads %u
>>>>>28		ulelong		>0		\b, hidden sectors %u
#>>>>>28	ulelong		=0		\b, hidden sectors %u (usual floppy)
>>>>>32		ulelong		>0		\b, sectors %u (volumes > 32 MB) 
#>>>>>32	ulelong		=0		\b, sectors %u (volumes > 32 MB) 
# FAT<32 specific 
# NOT le FAT3=NOT 3TAF=0xCCABBEB9
>>>>>82		ulelong&0xCCABBEB9	>0
>>>>>>36	ubyte		>0x80		\b, physical drive 0x%x
#>>>>>>36	ubyte		=0x80		\b, physical drive 0x%x=0x80 (usual harddisk)
>>>>>>36	ubyte&0x7F	>0		\b, physical drive 0x%x
#>>>>>>36	ubyte		=0		\b, physical drive 0x%x=0 (usual floppy)
>>>>>>37	ubyte		>0		\b, reserved 0x%x
#>>>>>>37	ubyte		=0		\b, reserved 0x%x
>>>>>>38	ubyte		>0x29		\b, dos < 4.0 BootSector (0x%x)
>>>>>>38	ubyte		<0x29		\b, dos < 4.0 BootSector (0x%x)
>>>>>>38	ubyte		=0x29
>>>>>>>39	ulelong		x		\b, serial number 0x%x
>>>>>>>43	string		<NO\ NAME	\b, label: "%11.11s"
>>>>>>>43	string		>NO\ NAME	\b, label: "%11.11s"
>>>>>>>43	string		=NO\ NAME	\b, unlabeled
>>>>>>54	string		FAT		\b, FAT
>>>>>>>54	string		FAT12		\b (12 bit)
>>>>>>>54	string		FAT16		\b (16 bit)
# FAT32 specific
>>>>>82		string		FAT32		\b, FAT (32 bit)
>>>>>>36	ulelong		x		\b, sectors/FAT %u
>>>>>>40	uleshort	>0		\b, extension flags %u
#>>>>>>40	uleshort	=0		\b, extension flags %u
>>>>>>42	uleshort	>0		\b, fsVersion %u
#>>>>>>42	uleshort	=0		\b, fsVersion %u (usual)
>>>>>>44	ulelong		>2		\b, rootdir cluster %u
#>>>>>>44	ulelong		=2		\b, rootdir cluster %u
#>>>>>>44	ulelong		=1		\b, rootdir cluster %u
>>>>>>48	uleshort	>1		\b, infoSector %u
#>>>>>>48	uleshort	=1		\b, infoSector %u (usual)
>>>>>>48	uleshort	<1		\b, infoSector %u
>>>>>>50	uleshort	>6		\b, Backup boot sector %u
#>>>>>>50	uleshort	=6		\b, Backup boot sector %u (usual) 
>>>>>>50	uleshort	<6		\b, Backup boot sector %u
>>>>>>54	ulelong		>0		\b, reserved1 0x%x
>>>>>>58	ulelong		>0		\b, reserved2 0x%x
>>>>>>62	ulelong		>0		\b, reserved3 0x%x
# same structure as FAT1X 
>>>>>>64	ubyte		>0x80		\b, physical drive 0x%x
#>>>>>>64	ubyte		=0x80		\b, physical drive 0x%x=80 (usual harddisk)
>>>>>>64	ubyte&0x7F	>0		\b, physical drive 0x%x
#>>>>>>64	ubyte		=0		\b, physical drive 0x%x=0 (usual floppy)
>>>>>>65	ubyte		>0		\b, reserved 0x%x
>>>>>>66	ubyte		>0x29		\b, dos < 4.0 BootSector (0x%x)
>>>>>>66	ubyte		<0x29		\b, dos < 4.0 BootSector (0x%x)
>>>>>>66	ubyte		=0x29
>>>>>>>67	ulelong		x		\b, serial number 0x%x
>>>>>>>71	string		<NO\ NAME	\b, label: "%11.11s"
>>>>>>71	string		>NO\ NAME	\b, label: "%11.11s"
>>>>>>71	string		=NO\ NAME	\b, unlabeled
### FATs end
>0x200	lelong	0x82564557		\b, BSD disklabel
# FATX 
0		string		FATX		FATX filesystem data


# Minix filesystems - Juan Cespedes <[e-mail]>
0x410	leshort		0x137f		Minix filesystem
0x410	beshort		0x137f		Minix filesystem (big endian),
>0x402	beshort		!0		\b, %d zones
>0x1e	string		minix		\b, bootable
0x410	leshort		0x138f		Minix filesystem, 30 char names
0x410	leshort		0x2468		Minix filesystem, version 2
0x410	leshort		0x2478		Minix filesystem, version 2, 30 char names

# romfs filesystems - Juan Cespedes <[e-mail]>
0	string		-rom1fs-\0	romfs filesystem, version 1
>8	belong	x			%d bytes,
>16	string	x			named %s.

# netboot image - Juan Cespedes <[e-mail]>
0	lelong		0x1b031336L	Netboot image,
>4	lelong&0xFFFFFF00	0
>>4	lelong&0x100	0x000		mode 2
>>4	lelong&0x100	0x100		mode 3
>4	lelong&0xFFFFFF00	!0	unknown mode

0x18b	string	OS/2	OS/2 Boot Manager

# added by Joerg Jenderek
# In the second sector (+0x200) are variables according to grub-0.97/stage2/asm.S or
# grub-1.94/kern/i386/pc/startup.S
# http://www.gnu.org/software/grub/manual/grub.html#Embedded-data
# usual values are marked with comments to get only informations of strange GRUB loaders
0x200	uleshort		0x70EA		
# found only version 3.{1,2}
>0x206		ubeshort	>0x0300		
# GRUB version (0.5.)95,0.93,0.94,0.96,0.97 > "00"
>>0x212 	ubyte		>0x29		
>>>0x213 	ubyte		>0x29		
# not iso9660_stage1_5
#>>>0	ulelong&0x00BE5652	0x00BE5652	
>>>>0x213 	ubyte		>0x29		GRand Unified Bootloader
# config_file for stage1_5 is 0xffffffff + default "/boot/grub/stage2"
>>>>0x217 	ubyte		0xFF		stage1_5
>>>>0x217 	ubyte		<0xFF		stage2
>>>>0x206	ubyte		x		\b version %u
>>>>0x207	ubyte		x		\b.%u
# module_size for 1.94
>>>>0x208	ulelong		<0xffffff	\b, installed partition %u
#>>>>0x208	ulelong		=0xffffff	\b, %u (default)
>>>>0x208	ulelong		>0xffffff	\b, installed partition %u
# GRUB 0.5.95 unofficial
>>>>0x20C	ulelong&0x2E300000 0x2E300000	
# 0=stage2	1=ffs	2=e2fs	3=fat	4=minix	5=reiserfs
>>>>>0x20C	ubyte		x		\b, identifier 0x%x
#>>>>>0x20D	ubyte		=0		\b, LBA flag 0x%x (default)
>>>>>0x20D	ubyte		>0		\b, LBA flag 0x%x
# GRUB version as string
>>>>>0x20E 	string		>\0		\b, GRUB version %-s
# for stage1_5 is 0xffffffff + config_file "/boot/grub/stage2" default
>>>>>>0x215 	ulong		0xffffffff	
>>>>>>>0x219 	string		>\0		\b, configuration file %-s
>>>>>>0x215 	ulong		!0xffffffff	
>>>>>>>0x215 	string		>\0		\b, configuration file %-s
# newer GRUB versions
>>>>0x20C	ulelong&0x2E300000 !0x2E300000	
##>>>>>0x20C	ulelong		=0		\b, saved entry %d (usual)
>>>>>0x20C	ulelong		>0		\b, saved entry %d
# for 1.94 contains kernel image size
# for 0.93,0.94,0.96,0.97
# 0=stage2	1=ffs	2=e2fs	3=fat	4=minix	5=reiserfs	6=vstafs	7=jfs	8=xfs	9=iso9660	a=ufs2	
>>>>>0x210	ubyte		x		\b, identifier 0x%x
# The flag for LBA forcing is in most cases 0
#>>>>>0x211	ubyte		=0		\b, LBA flag 0x%x (default)
>>>>>0x211	ubyte		>0		\b, LBA flag 0x%x
# GRUB version as string
>>>>>0x212 	string		>\0		\b, GRUB version %-s
# for stage1_5 is 0xffffffff + config_file "/boot/grub/stage2" default
>>>>>0x217 	ulong		0xffffffff	
>>>>>>0x21b 	string		>\0		\b, configuration file %-s
>>>>>0x217 	ulong		!0xffffffff	
>>>>>>0x217 	string		>\0		\b, configuration file %-s

9564	lelong		0x00011954	Unix Fast File system [v1] (little-endian),
>8404	string		x		last mounted on %s,
#>9504	ledate		x		last checked at %s,
>8224	ledate		x		last written at %s,
>8401	byte		x		clean flag %d,
>8228	lelong		x		number of blocks %d,
>8232	lelong		x		number of data blocks %d,
>8236	lelong		x		number of cylinder groups %d,
>8240	lelong		x		block size %d,
>8244	lelong		x		fragment size %d,
>8252	lelong		x		minimum percentage of free blocks %d,
>8256	lelong		x		rotational delay %dms,
>8260	lelong		x		disk rotational speed %drps,
>8320	lelong		0		TIME optimization
>8320	lelong		1		SPACE optimization

42332	lelong		0x19540119	Unix Fast File system [v2] (little-endian)
>&-1164	string		x		last mounted on %s,
>&-696	string		>\0		volume name %s,
>&-304	leqldate	x		last written at %s,
>&-1167	byte		x		clean flag %d,
>&-1168	byte		x		readonly flag %d,
>&-296	lequad		x		number of blocks %lld,
>&-288	lequad		x		number of data blocks %lld,
>&-1332	lelong		x		number of cylinder groups %d,
>&-1328	lelong		x		block size %d,
>&-1324	lelong		x		fragment size %d,
>&-180	lelong		x		average file size %d,
>&-176	lelong		x		average number of files in dir %d,
>&-272	lequad		x		pending blocks to free %lld,
>&-264	lelong		x		pending inodes to free %ld,
>&-664	lequad		x		system-wide uuid %0llx,
>&-1316	lelong		x		minimum percentage of free blocks %d,
>&-1248	lelong		0		TIME optimization
>&-1248	lelong		1		SPACE optimization

66908	lelong		0x19540119	Unix Fast File system [v2] (little-endian)
>&-1164	string		x		last mounted on %s,
>&-696	string		>\0		volume name %s,
>&-304	leqldate	x		last written at %s,
>&-1167	byte		x		clean flag %d,
>&-1168	byte		x		readonly flag %d,
>&-296	lequad		x		number of blocks %lld,
>&-288	lequad		x		number of data blocks %lld,
>&-1332	lelong		x		number of cylinder groups %d,
>&-1328	lelong		x		block size %d,
>&-1324	lelong		x		fragment size %d,
>&-180	lelong		x		average file size %d,
>&-176	lelong		x		average number of files in dir %d,
>&-272	lequad		x		pending blocks to free %lld,
>&-264	lelong		x		pending inodes to free %ld,
>&-664	lequad		x		system-wide uuid %0llx,
>&-1316	lelong		x		minimum percentage of free blocks %d,
>&-1248	lelong		0		TIME optimization
>&-1248	lelong		1		SPACE optimization

9564	belong		0x00011954	Unix Fast File system [v1] (big-endian),
>7168   belong		0x4c41424c	Apple UFS Volume
>>7186  string		x		named %s,
>>7176  belong		x		volume label version %d,
>>7180  bedate		x		created on %s,
>8404	string		x		last mounted on %s,
#>9504	bedate		x		last checked at %s,
>8224	bedate		x		last written at %s,
>8401	byte		x		clean flag %d,
>8228	belong		x		number of blocks %d,
>8232	belong		x		number of data blocks %d,
>8236	belong		x		number of cylinder groups %d,
>8240	belong		x		block size %d,
>8244	belong		x		fragment size %d,
>8252	belong		x		minimum percentage of free blocks %d,
>8256	belong		x		rotational delay %dms,
>8260	belong		x		disk rotational speed %drps,
>8320	belong		0		TIME optimization
>8320	belong		1		SPACE optimization

42332	belong		0x19540119	Unix Fast File system [v2] (big-endian)
>&-1164	string		x		last mounted on %s,
>&-696	string		>\0		volume name %s,
>&-304	beqldate	x		last written at %s,
>&-1167	byte		x		clean flag %d,
>&-1168	byte		x		readonly flag %d,
>&-296	bequad		x		number of blocks %lld,
>&-288	bequad		x		number of data blocks %lld,
>&-1332	belong		x		number of cylinder groups %d,
>&-1328	belong		x		block size %d,
>&-1324	belong		x		fragment size %d,
>&-180	belong		x		average file size %d,
>&-176	belong		x		average number of files in dir %d,
>&-272	bequad		x		pending blocks to free %lld,
>&-264	belong		x		pending inodes to free %ld,
>&-664	bequad		x		system-wide uuid %0llx,
>&-1316	belong		x		minimum percentage of free blocks %d,
>&-1248	belong		0		TIME optimization
>&-1248	belong		1		SPACE optimization

66908	belong		0x19540119	Unix Fast File system [v2] (big-endian)
>&-1164	string		x		last mounted on %s,
>&-696	string		>\0		volume name %s,
>&-304	beqldate	x		last written at %s,
>&-1167	byte		x		clean flag %d,
>&-1168	byte		x		readonly flag %d,
>&-296	bequad		x		number of blocks %lld,
>&-288	bequad		x		number of data blocks %lld,
>&-1332	belong		x		number of cylinder groups %d,
>&-1328	belong		x		block size %d,
>&-1324	belong		x		fragment size %d,
>&-180	belong		x		average file size %d,
>&-176	belong		x		average number of files in dir %d,
>&-272	bequad		x		pending blocks to free %lld,
>&-264	belong		x		pending inodes to free %ld,
>&-664	bequad		x		system-wide uuid %0llx,
>&-1316	belong		x		minimum percentage of free blocks %d,
>&-1248	belong		0		TIME optimization
>&-1248	belong		1		SPACE optimization

# ext2/ext3 filesystems - Andreas Dilger <[e-mail]>
0x438	leshort		0xEF53		Linux
>0x44c	lelong		x		rev %d
>0x43e	leshort		x		\b.%d
>0x45c	lelong		^0x0000004	ext2 filesystem data
>>0x43a	leshort		^0x0000001	(mounted or unclean)
>0x45c	lelong		&0x0000004	ext3 filesystem data
>>0x460	lelong		&0x0000004	(needs journal recovery)
>0x43a	leshort		&0x0000002	(errors)
>0x460	lelong		&0x0000001	(compressed)
#>0x460	lelong		&0x0000002	(filetype)
#>0x464	lelong		&0x0000001	(sparse_super)
>0x464	lelong		&0x0000002	(large files)

# SGI disk labels - Nathan Scott <[e-mail]>
0	belong		0x0BE5A941	SGI disk label (volume header)

# SGI XFS filesystem - Nathan Scott <[e-mail]>
0	belong		0x58465342	SGI XFS filesystem data
>0x4	belong		x		(blksz %d,
>0x68	beshort		x		inosz %d,
>0x64	beshort		^0x2004		v1 dirs)
>0x64	beshort		&0x2004		v2 dirs)

############################################################################
# Minix-ST kernel floppy
0x800	belong		0x46fc2700	Atari-ST Minix kernel image
>19	string		\240\5\371\5\0\011\0\2\0	\b, 720k floppy
>19	string		\320\2\370\5\0\011\0\1\0	\b, 360k floppy

############################################################################
# Hmmm, is this a better way of detecting _standard_ floppy images ?
19	string		\320\2\360\3\0\011\0\1\0	DOS floppy 360k
>0x1FE	leshort		0xAA55		\b, x86 hard disk boot sector
19	string		\240\5\371\3\0\011\0\2\0	DOS floppy 720k
>0x1FE	leshort		0xAA55		\b, x86 hard disk boot sector
19	string		\100\013\360\011\0\022\0\2\0	DOS floppy 1440k
>0x1FE	leshort		0xAA55		\b, x86 hard disk boot sector

19	string		\240\5\371\5\0\011\0\2\0	DOS floppy 720k, IBM
>0x1FE	leshort		0xAA55		\b, x86 hard disk boot sector
19	string		\100\013\371\5\0\011\0\2\0	DOS floppy 1440k, mkdosfs
>0x1FE	leshort		0xAA55		\b, x86 hard disk boot sector

19	string		\320\2\370\5\0\011\0\1\0	Atari-ST floppy 360k
19	string		\240\5\371\5\0\011\0\2\0	Atari-ST floppy 720k

#  Valid media descriptor bytes for MS-DOS:
#
#     Byte   Capacity   Media Size and Type
#     -------------------------------------------------
#
#     F0     2.88 MB    3.5-inch, 2-sided, 36-sector
#     F0     1.44 MB    3.5-inch, 2-sided, 18-sector
#     F9     720K       3.5-inch, 2-sided, 9-sector
#     F9     1.2 MB     5.25-inch, 2-sided, 15-sector
#     FD     360K       5.25-inch, 2-sided, 9-sector
#     FF     320K       5.25-inch, 2-sided, 8-sector
#     FC     180K       5.25-inch, 1-sided, 9-sector
#     FE     160K       5.25-inch, 1-sided, 8-sector
#     FE     250K       8-inch, 1-sided, single-density
#     FD     500K       8-inch, 2-sided, single-density
#     FE     1.2 MB     8-inch, 2-sided, double-density
#     F8     -----      Fixed disk 
#
#     FC     xxxK       Apricot 70x1x9 boot disk.
#
# Originally a bitmap:
#  xxxxxxx0	Not two sided
#  xxxxxxx1	Double sided
#  xxxxxx0x	Not 8 SPT
#  xxxxxx1x	8 SPT
#  xxxxx0xx	Not Removable drive
#  xxxxx1xx	Removable drive
#  11111xxx	Must be one.
#
# But now it's rather random:
#  111111xx	Low density disk
#        00	SS, Not 8 SPT
#        01	DS, Not 8 SPT
#        10	SS, 8 SPT
#        11	DS, 8 SPT
#
#  11111001	Double density 3