xref: /dragonfly/contrib/file/magic/Magdir/linux (revision b71f52a9)
1#------------------------------------------------------------------------------
2# linux:  file(1) magic for Linux files
3#
4# Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
5# The following basic Linux magic is useful for reference, but using
6# "long" magic is a better practice in order to avoid collisions.
7#
8# 2	leshort		100		Linux/i386
9# >0	leshort		0407		impure executable (OMAGIC)
10# >0	leshort		0410		pure executable (NMAGIC)
11# >0	leshort		0413		demand-paged executable (ZMAGIC)
12# >0	leshort		0314		demand-paged executable (QMAGIC)
13#
140	lelong		0x00640107	Linux/i386 impure executable (OMAGIC)
15>16	lelong		0		\b, stripped
160	lelong		0x00640108	Linux/i386 pure executable (NMAGIC)
17>16	lelong		0		\b, stripped
180	lelong		0x0064010b	Linux/i386 demand-paged executable (ZMAGIC)
19>16	lelong		0		\b, stripped
200	lelong		0x006400cc	Linux/i386 demand-paged executable (QMAGIC)
21>16	lelong		0		\b, stripped
22#
230	string		\007\001\000	Linux/i386 object file
24>20	lelong		>0x1020		\b, DLL library
25# Linux-8086 stuff:
260	string		\01\03\020\04	Linux-8086 impure executable
27>28	long		!0		not stripped
280	string		\01\03\040\04	Linux-8086 executable
29>28	long		!0		not stripped
30#
310	string		\243\206\001\0	Linux-8086 object file
32#
330	string		\01\03\020\20	Minix-386 impure executable
34>28	long		!0		not stripped
350	string		\01\03\040\20	Minix-386 executable
36>28	long		!0		not stripped
37# core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
38216	lelong		0421		Linux/i386 core file
39>220	string		>\0		of '%s'
40>200	lelong		>0		(signal %d)
41#
42# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
43# this can be overridden by the DOS executable (COM) entry
442	string		LILO		Linux/i386 LILO boot/chain loader
45#
46# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
470	leshort		0x0436		Linux/i386 PC Screen Font data,
48>2	byte		0		256 characters, no directory,
49>2	byte		1		512 characters, no directory,
50>2	byte		2		256 characters, Unicode directory,
51>2	byte		3		512 characters, Unicode directory,
52>3	byte		>0		8x%d
53# Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
544086	string		SWAP-SPACE	Linux/i386 swap file
55# From: Jeff Bailey <jbailey@ubuntu.com>
56# Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com>
574076	string		SWAPSPACE2S1SUSPEND	Linux/i386 swap file (new style) with SWSUSP1 image
58# according to man page of mkswap (8) March 1999
594086	string		SWAPSPACE2	Linux/i386 swap file (new style)
60>0x400	long		x		%d (4K pages)
61>0x404	long		x		size %d pages
62>>4086	string		SWAPSPACE2
63>>>1052	string		>\0		Label %s
64# ECOFF magic for OSF/1 and Linux (only tested under Linux though)
65#
66#	from Erik Troan (ewt@redhat.com) examining od dumps, so this
67#		could be wrong
68#      updated by David Mosberger (davidm@azstarnet.com) based on
69#      GNU BFD and MIPS info found below.
70#
710	leshort		0x0183		ECOFF alpha
72>24	leshort		0407		executable
73>24	leshort		0410		pure
74>24	leshort		0413		demand paged
75>8	long		>0		not stripped
76>8	long		0		stripped
77>23	leshort		>0		- version %ld.
78#
79# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
80# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
81# and Nicol�s Lichtmaier <nick@debian.org>
82# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
83# Linux kernel boot images (i386 arch) (Wolfram Kleff)
84514	string		HdrS		Linux kernel
85>510	leshort		0xAA55		x86 boot executable
86>>518	leshort		>0x1ff
87>>>529	byte		0		zImage,
88>>>529	byte		1		bzImage,
89>>>(526.s+0x200) string	>\0		version %s,
90>>498	leshort		1		RO-rootFS,
91>>498	leshort		0		RW-rootFS,
92>>508	leshort		>0		root_dev 0x%X,
93>>502	leshort		>0		swap_dev 0x%X,
94>>504	leshort		>0		RAMdisksize %u KB,
95>>506	leshort		0xFFFF		Normal VGA
96>>506	leshort		0xFFFE		Extended VGA
97>>506	leshort		0xFFFD		Prompt for Videomode
98>>506	leshort		>0		Video mode %d
99# This also matches new kernels, which were caught above by "HdrS".
1000		belong	0xb8c0078e	Linux kernel
101>0x1e3		string	Loading		version 1.3.79 or older
102>0x1e9		string	Loading		from prehistoric times
103
104# System.map files - Nicol�s Lichtmaier <nick@debian.org>
1058	search/1	\ A\ _text	Linux kernel symbol map text
106
107# LSM entries - Nicol�s Lichtmaier <nick@debian.org>
1080	search/1	Begin3	Linux Software Map entry text
1090	search/1	Begin4	Linux Software Map entry text (new format)
110
111# From Matt Zimmerman, enhanced for v3 by Matthew Palmer
1120	belong	0x4f4f4f4d	User-mode Linux COW file
113>4	belong	<3		\b, version %d
114>>8	string	>\0		\b, backing file %s
115>4	belong	>2		\b, version %d
116>>32	string	>\0		\b, backing file %s
117
118############################################################################
119# Linux kernel versions
120
1210		string		\xb8\xc0\x07\x8e\xd8\xb8\x00\x90	Linux
122>497		leshort		0		x86 boot sector
123>>514		belong		0x8e	of a kernel from the dawn of time!
124>>514		belong		0x908ed8b4	version 0.99-1.1.42
125>>514		belong		0x908ed8b8	for memtest86
126
127>497		leshort		!0		x86 kernel
128>>504		leshort		>0		RAMdisksize=%u KB
129>>502		leshort		>0		swap=0x%X
130>>508		leshort		>0		root=0x%X
131>>>498		leshort		1		\b-ro
132>>>498		leshort		0		\b-rw
133>>506		leshort		0xFFFF		vga=normal
134>>506		leshort		0xFFFE		vga=extended
135>>506		leshort		0xFFFD		vga=ask
136>>506		leshort		>0		vga=%d
137>>514		belong		0x908ed881	version 1.1.43-1.1.45
138>>514		belong		0x15b281cd
139>>>0xa8e	belong		0x55AA5a5a	version 1.1.46-1.2.13,1.3.0
140>>>0xa99	belong		0x55AA5a5a	version 1.3.1,2
141>>>0xaa3	belong		0x55AA5a5a	version 1.3.3-1.3.30
142>>>0xaa6	belong		0x55AA5a5a	version 1.3.31-1.3.41
143>>>0xb2b	belong		0x55AA5a5a	version 1.3.42-1.3.45
144>>>0xaf7	belong		0x55AA5a5a	version 1.3.46-1.3.72
145>>514		string		HdrS
146>>>518		leshort		>0x1FF
147>>>>529		byte		0		\b, zImage
148>>>>529		byte		1		\b, bzImage
149>>>>(526.s+0x200) string 	>\0		\b, version %s
150
151# Linux boot sector thefts.
1520		belong		0xb8c0078e	Linux
153>0x1e6		belong		0x454c4b53	ELKS Kernel
154>0x1e6		belong		!0x454c4b53	style boot sector
155
156############################################################################
157# Linux 8086 executable
1580	lelong&0xFF0000FF 0xC30000E9	Linux-Dev86 executable, headerless
159>5	string		.
160>>4	string		>\0		\b, libc version %s
161
1620	lelong&0xFF00FFFF 0x4000301	Linux-8086 executable
163>2	byte&0x01	!0		\b, unmapped zero page
164>2	byte&0x20	0		\b, impure
165>2	byte&0x20	!0
166>>2	byte&0x10	!0		\b, A_EXEC
167>2	byte&0x02	!0		\b, A_PAL
168>2	byte&0x04	!0		\b, A_NSYM
169>2	byte&0x08	!0		\b, A_STAND
170>2	byte&0x40	!0		\b, A_PURE
171>2	byte&0x80	!0		\b, A_TOVLY
172>28     long            !0              \b, not stripped
173>37	string		.
174>>36	string		>\0		\b, libc version %s
175
176# 0	lelong&0xFF00FFFF 0x10000301	ld86 I80386 executable
177# 0	lelong&0xFF00FFFF 0xB000301	ld86 M68K executable
178# 0	lelong&0xFF00FFFF 0xC000301	ld86 NS16K executable
179# 0	lelong&0xFF00FFFF 0x17000301	ld86 SPARC executable
180
181# SYSLINUX boot logo files (from 'ppmtolss16' sources)
182# http://syslinux.zytor.com/
183#
1840	lelong	=0x1413f33d		SYSLINUX' LSS16 image data
185>4	leshort	x			\b, width %d
186>6	leshort	x			\b, height %d
187
1880	string	OOOM			User-Mode-Linux's Copy-On-Write disk image
189>4	belong	x			version %d
190
191# SE Linux policy database
192# From: Mike Frysinger <vapier@gentoo.org>
1930	lelong	0xf97cff8c		SE Linux policy
194>16	lelong	x			v%d
195>20	lelong	1			MLS
196>24	lelong	x			%d symbols
197>28	lelong	x			%d ocons
198
199# Linux Logical Volume Manager (LVM)
200# Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
201#
202# System ID, UUID and volume group name are 128 bytes long
203# but they should never be full and initialized with zeros...
204#
205# LVM1
206#
2070x0	string	HM\001		LVM1 (Linux Logical Volume Manager), version 1
208>0x12c	string	>\0		, System ID: %s
209
2100x0	string	HM\002		LVM1 (Linux Logical Volume Manager), version 2
211>0x12c	string	>\0		, System ID: %s
212
213#  LVM2
214#
215# It seems that the label header can be in one the four first sector
216# of the disk... (from _find_labeller in lib/label/label.c of LVM2)
217#
218# 0x200 seems to be the common case
219
2200x218		 string	LVM2\ 001	LVM2 (Linux Logical Volume Manager)
221# read the offset to add to the start of the header, and the header
222# start in 0x200
223>(0x214.l+0x200) string	>\0		, UUID: %s
224
2250x018		 string	LVM2\ 001	LVM2 (Linux Logical Volume Manager)
226>(0x014.l)	 string	>\0		, UUID: %s
227
2280x418		 string	LVM2\ 001	LVM2 (Linux Logical Volume Manager)
229>(0x414.l+0x400) string	>\0		, UUID: %s
230
2310x618		 string	LVM2\ 001	LVM2 (Linux Logical Volume Manager)
232>(0x614.l+0x600) string	>\0		, UUID: %s
233
234# LVM snapshot
235# from Jason Farrel
2360	string	SnAp	LVM Snapshot (CopyOnWrite store)
237>4	lelong	!0	- valid,
238>4	lelong	0	- invalid,
239>8	lelong	x	version %d,
240>12	lelong	x	chunk_size %d
241
242# SE Linux policy database
2430	lelong	0xf97cff8c		SE Linux policy
244>16	lelong	x			v%d
245>20	lelong	1			MLS
246>24	lelong	x			%d symbols
247>28	lelong	x			%d ocons
248
249# LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
250# Anthon van der Neut (anthon@mnt.org)
2510	string	LUKS\xba\xbe	LUKS encrypted file,
252>6	beshort x		ver %d
253>8	string	x		[%s,
254>40	string	x		%s,
255>72	string	x		%s]
256>168	string	x		UUID: %s
257
258
259# Summary: Xen saved domain file
260# Created by: Radek Vokal <rvokal@redhat.com>
2610	string		LinuxGuestRecord	Xen saved domain
262>20	search/256	(name
263>>&1	string		x			(name %s)
264
265