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  1. 

  2. #------------------------------------------------------------------------------
    3. 

  3. # $File: linux,v 1.42 2012/02/07 21:35:03 christos Exp $
    4. 

  4. # linux:  file(1) magic for Linux files
    5. 

  5. #
    6. 

  6. # Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
    7. 

  7. # The following basic Linux magic is useful for reference, but using
    8. 

  8. # "long" magic is a better practice in order to avoid collisions.
    9. 

  9. #
    10. 

  10. # 2	leshort		100		Linux/i386
    11. 

  11. # >0	leshort		0407		impure executable (OMAGIC)
    12. 

  12. # >0	leshort		0410		pure executable (NMAGIC)
    13. 

  13. # >0	leshort		0413		demand-paged executable (ZMAGIC)
    14. 

  14. # >0	leshort		0314		demand-paged executable (QMAGIC)
    15. 

  15. #
    16. 

  16. 0	lelong		0x00640107	Linux/i386 impure executable (OMAGIC)
    17. 

  17. >16	lelong		0		\b, stripped
    18. 

  18. 0	lelong		0x00640108	Linux/i386 pure executable (NMAGIC)
    19. 

  19. >16	lelong		0		\b, stripped
    20. 

  20. 0	lelong		0x0064010b	Linux/i386 demand-paged executable (ZMAGIC)
    21. 

  21. >16	lelong		0		\b, stripped
    22. 

  22. 0	lelong		0x006400cc	Linux/i386 demand-paged executable (QMAGIC)
    23. 

  23. >16	lelong		0		\b, stripped
    24. 

  24. #
    25. 

  25. 0	string		\007\001\000	Linux/i386 object file
    26. 

  26. >20	lelong		>0x1020		\b, DLL library
    27. 

  27. # Linux-8086 stuff:
    28. 

  28. 0	string		\01\03\020\04	Linux-8086 impure executable
    29. 

  29. >28	long		!0		not stripped
    30. 

  30. 0	string		\01\03\040\04	Linux-8086 executable
    31. 

  31. >28	long		!0		not stripped
    32. 

  32. #
    33. 

  33. 0	string		\243\206\001\0	Linux-8086 object file
    34. 

  34. #
    35. 

  35. 0	string		\01\03\020\20	Minix-386 impure executable
    36. 

  36. >28	long		!0		not stripped
    37. 

  37. 0	string		\01\03\040\20	Minix-386 executable
    38. 

  38. >28	long		!0		not stripped
    39. 

  39. # core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
    40. 

  40. 216	lelong		0421		Linux/i386 core file
    41. 

  41. >220	string		>\0		of '%s'
    42. 

  42. >200	lelong		>0		(signal %d)
    43. 

  43. #
    44. 

  44. # LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
    45. 

  45. # this can be overridden by the DOS executable (COM) entry
    46. 

  46. 2	string		LILO		Linux/i386 LILO boot/chain loader
    47. 

  47. #
    48. 

  48. # Linux make config build file, from Ole Aamot <oka@oka.no>
    49. 

  49. 28 	string		make\ config	Linux make config build file
    50. 

  50. #
    51. 

  51. # PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
    52. 

  52. # Updated by Adam Buchbinder <adam.buchbinder@gmail.com>
    53. 

  53. # See: http://www.win.tue.nl/~aeb/linux/kbd/font-formats-1.html
    54. 

  54. 0	leshort		0x0436		Linux/i386 PC Screen Font v1 data,
    55. 

  55. >2	byte&0x01	0		256 characters,
    56. 

  56. >2	byte&0x01	!0		512 characters,
    57. 

  57. >2	byte&0x02	0		no directory,
    58. 

  58. >2	byte&0x02	!0		Unicode directory,
    59. 

  59. >3	byte		>0		8x%d
    60. 

  60. 0	string		\x72\xb5\x4a\x86\x00\x00 Linux/i386 PC Screen Font v2 data,
    61. 

  61. >16	lelong		x		%d characters,
    62. 

  62. >12	lelong&0x01	0		no directory,
    63. 

  63. >12	lelong&0x01	!0		Unicode directory,
    64. 

  64. >24	lelong		x		%d
    65. 

  65. >28	lelong		x		\bx%d
    66. 

  66. 

  67. # Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
    68. 

  68. 4086	string		SWAP-SPACE	Linux/i386 swap file
    69. 

  69. # From: Jeff Bailey <jbailey@ubuntu.com>
    70. 

  70. # Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com>
    71. 

  71. 4076	string		SWAPSPACE2S1SUSPEND	Linux/i386 swap file (new style) with SWSUSP1 image
    72. 

  72. # From: James Hunt <james.hunt@ubuntu.com>
    73. 

  73. 4076    string          SWAPSPACE2LINHIB0001    Linux/i386 swap file (new style) (compressed hibernate)
    74. 

  74. # according to man page of mkswap (8) March 1999
    75. 

  75. # volume label and UUID Russell Coker
    76. 

  76. # http://etbe.coker.com.au/2008/07/08/label-vs-uuid-vs-device/
    77. 

  77. 4086	string		SWAPSPACE2	Linux/i386 swap file (new style),
    78. 

  78. >0x400	long		x		version %d (4K pages),
    79. 

  79. >0x404	long		x		size %d pages,
    80. 

  80. >1052	string		\0		no label,
    81. 

  81. >1052	string		>\0		LABEL=%s,
    82. 

  82. >0x40c	belong		x		UUID=%08x
    83. 

  83. >0x410	beshort		x		\b-%04x
    84. 

  84. >0x412	beshort		x		\b-%04x
    85. 

  85. >0x414	beshort		x		\b-%04x
    86. 

  86. >0x416	belong		x		\b-%08x
    87. 

  87. >0x41a	beshort		x		\b%04x
    88. 

  88. # From Daniel Novotny <dnovotny@redhat.com>
    89. 

  89. # swap file for PowerPC
    90. 

  90. 65526	string		SWAPSPACE2	Linux/ppc swap file
    91. 

  91. #
    92. 

  92. # Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
    93. 

  93. # and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
    94. 

  94. # and Nicolás Lichtmaier <nick@debian.org>
    95. 

  95. # All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
    96. 

  96. # Linux kernel boot images (i386 arch) (Wolfram Kleff)
    97. 

  97. 514	string		HdrS		Linux kernel
    98. 

  98. >510	leshort		0xAA55		x86 boot executable
    99. 

  99. >>518	leshort		>0x1ff
    100. 

  100. >>>529	byte		0		zImage,
    101. 

  101. >>>529	byte		1		bzImage,
    102. 

  102. >>>(526.s+0x200) string	>\0		version %s,
    103. 

  103. >>498	leshort		1		RO-rootFS,
    104. 

  104. >>498	leshort		0		RW-rootFS,
    105. 

  105. >>508	leshort		>0		root_dev 0x%X,
    106. 

  106. >>502	leshort		>0		swap_dev 0x%X,
    107. 

  107. >>504	leshort		>0		RAMdisksize %u KB,
    108. 

  108. >>506	leshort		0xFFFF		Normal VGA
    109. 

  109. >>506	leshort		0xFFFE		Extended VGA
    110. 

  110. >>506	leshort		0xFFFD		Prompt for Videomode
    111. 

  111. >>506	leshort		>0		Video mode %d
    112. 

  112. # This also matches new kernels, which were caught above by "HdrS".
    113. 

  113. 0		belong	0xb8c0078e	Linux kernel
    114. 

  114. >0x1e3		string	Loading		version 1.3.79 or older
    115. 

  115. >0x1e9		string	Loading		from prehistoric times
    116. 

  116. 

  117. # System.map files - Nicolás Lichtmaier <nick@debian.org>
    118. 

  118. 8	search/1	\ A\ _text	Linux kernel symbol map text
    119. 

  119. 

  120. # LSM entries - Nicolás Lichtmaier <nick@debian.org>
    121. 

  121. 0	search/1	Begin3	Linux Software Map entry text
    122. 

  122. 0	search/1	Begin4	Linux Software Map entry text (new format)
    123. 

  123. 

  124. # From Matt Zimmerman, enhanced for v3 by Matthew Palmer
    125. 

  125. 0	belong	0x4f4f4f4d	User-mode Linux COW file
    126. 

  126. >4	belong	<3		\b, version %d
    127. 

  127. >>8	string	>\0		\b, backing file %s
    128. 

  128. >4	belong	>2		\b, version %d
    129. 

  129. >>32	string	>\0		\b, backing file %s
    130. 

  130. 

  131. ############################################################################
    132. 

  132. # Linux kernel versions
    133. 

  133. 

  134. 0		string		\xb8\xc0\x07\x8e\xd8\xb8\x00\x90	Linux
    135. 

  135. >497		leshort		0		x86 boot sector
    136. 

  136. >>514		belong		0x8e	of a kernel from the dawn of time!
    137. 

  137. >>514		belong		0x908ed8b4	version 0.99-1.1.42
    138. 

  138. >>514		belong		0x908ed8b8	for memtest86
    139. 

  139. 

  140. >497		leshort		!0		x86 kernel
    141. 

  141. >>504		leshort		>0		RAMdisksize=%u KB
    142. 

  142. >>502		leshort		>0		swap=0x%X
    143. 

  143. >>508		leshort		>0		root=0x%X
    144. 

  144. >>>498		leshort		1		\b-ro
    145. 

  145. >>>498		leshort		0		\b-rw
    146. 

  146. >>506		leshort		0xFFFF		vga=normal
    147. 

  147. >>506		leshort		0xFFFE		vga=extended
    148. 

  148. >>506		leshort		0xFFFD		vga=ask
    149. 

  149. >>506		leshort		>0		vga=%d
    150. 

  150. >>514		belong		0x908ed881	version 1.1.43-1.1.45
    151. 

  151. >>514		belong		0x15b281cd
    152. 

  152. >>>0xa8e	belong		0x55AA5a5a	version 1.1.46-1.2.13,1.3.0
    153. 

  153. >>>0xa99	belong		0x55AA5a5a	version 1.3.1,2
    154. 

  154. >>>0xaa3	belong		0x55AA5a5a	version 1.3.3-1.3.30
    155. 

  155. >>>0xaa6	belong		0x55AA5a5a	version 1.3.31-1.3.41
    156. 

  156. >>>0xb2b	belong		0x55AA5a5a	version 1.3.42-1.3.45
    157. 

  157. >>>0xaf7	belong		0x55AA5a5a	version 1.3.46-1.3.72
    158. 

  158. >>514		string		HdrS
    159. 

  159. >>>518		leshort		>0x1FF
    160. 

  160. >>>>529		byte		0		\b, zImage
    161. 

  161. >>>>529		byte		1		\b, bzImage
    162. 

  162. >>>>(526.s+0x200) string 	>\0		\b, version %s
    163. 

  163. 

  164. # Linux boot sector thefts.
    165. 

  165. 0		belong		0xb8c0078e	Linux
    166. 

  166. >0x1e6		belong		0x454c4b53	ELKS Kernel
    167. 

  167. >0x1e6		belong		!0x454c4b53	style boot sector
    168. 

  168. 

  169. ############################################################################
    170. 

  170. # Linux S390 kernel image
    171. 

  171. # Created by: Jan Kaluza <jkaluza@redhat.com>
    172. 

  172. 8 string \x02\x00\x00\x18\x60\x00\x00\x50\x02\x00\x00\x68\x60\x00\x00\x50\x40\x40\x40\x40\x40\x40\x40\x40 Linux S390
    173. 

  173. >0x00010000 search/b/4096 \x00\x0a\x00\x00\x8b\xad\xcc\xcc
    174. 

  174. # 64bit
    175. 

  175. >>&0 string \xc1\x00\xef\xe3\xf0\x68\x00\x00 Z10 64bit kernel
    176. 

  176. >>&0 string \xc1\x00\xef\xc3\x00\x00\x00\x00 Z9-109 64bit kernel
    177. 

  177. >>&0 string \xc0\x00\x20\x00\x00\x00\x00\x00 Z990 64bit kernel
    178. 

  178. >>&0 string \x00\x00\x00\x00\x00\x00\x00\x00 Z900 64bit kernel
    179. 

  179. # 32bit
    180. 

  180. >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z10 32bit kernel
    181. 

  181. >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z9-109 32bit kernel
    182. 

  182. >>&0 string \x80\x00\x20\x00\x00\x00\x00\x00 Z990 32bit kernel
    183. 

  183. >>&0 string \x80\x00\x00\x00\x00\x00\x00\x00 Z900 32bit kernel
    184. 

  184. 

  185. # Linux ARM compressed kernel image
    186. 

  186. # From: Kevin Cernekee <cernekee@gmail.com>
    187. 

  187. 36	lelong	0x016f2818	Linux kernel ARM boot executable zImage (little-endian)
    188. 

  188. 36	belong	0x016f2818	Linux kernel ARM boot executable zImage (big-endian)
    189. 

  189. 

  190. ############################################################################
    191. 

  191. # Linux 8086 executable
    192. 

  192. 0	lelong&0xFF0000FF 0xC30000E9	Linux-Dev86 executable, headerless
    193. 

  193. >5	string		.		
    194. 

  194. >>4	string		>\0		\b, libc version %s
    195. 

  195. 

  196. 0	lelong&0xFF00FFFF 0x4000301	Linux-8086 executable
    197. 

  197. >2	byte&0x01	!0		\b, unmapped zero page
    198. 

  198. >2	byte&0x20	0		\b, impure
    199. 

  199. >2	byte&0x20	!0
    200. 

  200. >>2	byte&0x10	!0		\b, A_EXEC
    201. 

  201. >2	byte&0x02	!0		\b, A_PAL
    202. 

  202. >2	byte&0x04	!0		\b, A_NSYM
    203. 

  203. >2	byte&0x08	!0		\b, A_STAND
    204. 

  204. >2	byte&0x40	!0		\b, A_PURE
    205. 

  205. >2	byte&0x80	!0		\b, A_TOVLY
    206. 

  206. >28     long            !0              \b, not stripped
    207. 

  207. >37	string		.		
    208. 

  208. >>36	string		>\0		\b, libc version %s
    209. 

  209. 

  210. # 0	lelong&0xFF00FFFF 0x10000301	ld86 I80386 executable
    211. 

  211. # 0	lelong&0xFF00FFFF 0xB000301	ld86 M68K executable
    212. 

  212. # 0	lelong&0xFF00FFFF 0xC000301	ld86 NS16K executable
    213. 

  213. # 0	lelong&0xFF00FFFF 0x17000301	ld86 SPARC executable
    214. 

  214. 

  215. # SYSLINUX boot logo files (from 'ppmtolss16' sources)
    216. 

  216. # http://syslinux.zytor.com/
    217. 

  217. #
    218. 

  218. 0	lelong	=0x1413f33d		SYSLINUX' LSS16 image data
    219. 

  219. >4	leshort	x			\b, width %d
    220. 

  220. >6	leshort	x			\b, height %d
    221. 

  221. 

  222. 0	string	OOOM			User-Mode-Linux's Copy-On-Write disk image
    223. 

  223. >4	belong	x			version %d
    224. 

  224. 

  225. # SE Linux policy database
    226. 

  226. # From: Mike Frysinger <vapier@gentoo.org>
    227. 

  227. 0	lelong	0xf97cff8c		SE Linux policy
    228. 

  228. >16	lelong	x			v%d
    229. 

  229. >20	lelong	1			MLS
    230. 

  230. >24	lelong	x			%d symbols
    231. 

  231. >28	lelong	x			%d ocons
    232. 

  232. 

  233. # Linux Logical Volume Manager (LVM) 
    234. 

  234. # Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
    235. 

  235. #
    236. 

  236. # System ID, UUID and volume group name are 128 bytes long
    237. 

  237. # but they should never be full and initialized with zeros...
    238. 

  238. #
    239. 

  239. # LVM1
    240. 

  240. #
    241. 

  241. 0x0	string	HM\001		LVM1 (Linux Logical Volume Manager), version 1
    242. 

  242. >0x12c	string	>\0		, System ID: %s
    243. 

  243. 

  244. 0x0	string	HM\002		LVM1 (Linux Logical Volume Manager), version 2
    245. 

  245. >0x12c	string	>\0		, System ID: %s
    246. 

  246. 

  247. #  LVM2
    248. 

  248. #
    249. 

  249. # It seems that the label header can be in one the four first sector
    250. 

  250. # of the disk... (from _find_labeller in lib/label/label.c of LVM2)
    251. 

  251. #
    252. 

  252. # 0x200 seems to be the common case
    253. 

  253. 

  254. 0x218           string  LVM2\ 001      LVM2 PV (Linux Logical Volume Manager)
    255. 

  255. # read the offset to add to the start of the header, and the header
    256. 

  256. # start in 0x200
    257. 

  257. >&(&-12.l-0x21) byte    x
    258. 

  258. # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
    259. 

  259. >>&0x0          string  >\x2f          \b, UUID: %.6s
    260. 

  260. >>&0x6          string  >\x2f          \b-%.4s
    261. 

  261. >>&0xa          string  >\x2f          \b-%.4s
    262. 

  262. >>&0xe          string  >\x2f          \b-%.4s
    263. 

  263. >>&0x12         string  >\x2f          \b-%.4s
    264. 

  264. >>&0x16         string  >\x2f          \b-%.4s
    265. 

  265. >>&0x1a         string  >\x2f          \b-%.6s
    266. 

  266. >>&0x20         lequad  x              \b, size: %lld
    267. 

  267. 

  268. 0x018           string  LVM2\ 001      LVM2 PV (Linux Logical Volume Manager)
    269. 

  269. >&(&-12.l-0x21) byte    x
    270. 

  270. # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
    271. 

  271. >>&0x0          string  >\x2f          \b, UUID: %.6s
    272. 

  272. >>&0x6          string  >\x2f          \b-%.4s
    273. 

  273. >>&0xa          string  >\x2f          \b-%.4s
    274. 

  274. >>&0xe          string  >\x2f          \b-%.4s
    275. 

  275. >>&0x12         string  >\x2f          \b-%.4s
    276. 

  276. >>&0x16         string  >\x2f          \b-%.4s
    277. 

  277. >>&0x1a         string  >\x2f          \b-%.6s
    278. 

  278. >>&0x20         lequad  x              \b, size: %lld
    279. 

  279. 

  280. 0x418           string  LVM2\ 001      LVM2 PV (Linux Logical Volume Manager)
    281. 

  281. >&(&-12.l-0x21) byte    x
    282. 

  282. # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
    283. 

  283. >>&0x0          string  >\x2f          \b, UUID: %.6s
    284. 

  284. >>&0x6          string  >\x2f          \b-%.4s
    285. 

  285. >>&0xa          string  >\x2f          \b-%.4s
    286. 

  286. >>&0xe          string  >\x2f          \b-%.4s
    287. 

  287. >>&0x12         string  >\x2f          \b-%.4s
    288. 

  288. >>&0x16         string  >\x2f          \b-%.4s
    289. 

  289. >>&0x1a         string  >\x2f          \b-%.6s
    290. 

  290. >>&0x20         lequad  x              \b, size: %lld
    291. 

  291. 

  292. 0x618           string  LVM2\ 001      LVM2 PV (Linux Logical Volume Manager)
    293. 

  293. >&(&-12.l-0x21) byte    x              
    294. 

  294. # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
    295. 

  295. >>&0x0          string  >\x2f          \b, UUID: %.6s
    296. 

  296. >>&0x6          string  >\x2f          \b-%.4s
    297. 

  297. >>&0xa          string  >\x2f          \b-%.4s
    298. 

  298. >>&0xe          string  >\x2f          \b-%.4s
    299. 

  299. >>&0x12         string  >\x2f          \b-%.4s
    300. 

  300. >>&0x16         string  >\x2f          \b-%.4s
    301. 

  301. >>&0x1a         string  >\x2f          \b-%.6s
    302. 

  302. >>&0x20         lequad  x              \b, size: %lld
    303. 

  303. 

  304. # LVM snapshot
    305. 

  305. # from Jason Farrel
    306. 

  306. 0	string	SnAp	LVM Snapshot (CopyOnWrite store)
    307. 

  307. >4	lelong	!0	- valid,
    308. 

  308. >4	lelong	0	- invalid,
    309. 

  309. >8	lelong	x	version %d,
    310. 

  310. >12	lelong	x	chunk_size %d
    311. 

  311. 

  312. # SE Linux policy database
    313. 

  313. 0	lelong	0xf97cff8c		SE Linux policy
    314. 

  314. >16	lelong	x			v%d
    315. 

  315. >20	lelong	1			MLS
    316. 

  316. >24	lelong	x			%d symbols
    317. 

  317. >28	lelong	x			%d ocons
    318. 

  318. 

  319. # LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
    320. 

  320. # Anthon van der Neut (anthon@mnt.org)
    321. 

  321. 0	string	LUKS\xba\xbe	LUKS encrypted file,
    322. 

  322. >6	beshort x		ver %d
    323. 

  323. >8	string	x		[%s,
    324. 

  324. >40	string	x		%s,
    325. 

  325. >72	string	x		%s]
    326. 

  326. >168	string	x		UUID: %s
    327. 

  327. 

  328. 

  329. # Summary: Xen saved domain file
    330. 

  330. # Created by: Radek Vokal <rvokal@redhat.com>
    331. 

  331. 0	string		LinuxGuestRecord	Xen saved domain
    332. 

  332. >20	search/256	(name			
    333. 

  333. >>&1	string		x			(name %s)
    334. 

  334. 

  335. # Type: Xen, the virtual machine monitor
    336. 

  336. # From: Radek Vokal <rvokal@redhat.com>
    337. 

  337. 0	string		LinuxGuestRecord	Xen saved domain
    338. 

  338. #>2	regex		\(name\ [^)]*\)		%s
    339. 

  339. >20	search/256	(name			(name
    340. 

  340. >>&1	string		x			%s...)
    341.