2 #------------------------------------------------------------------------------
3 # $File: linux,v 1.40 2011/03/22 12:54:35 christos Exp $
4 # linux: file(1) magic for Linux files
6 # Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
7 # The following basic Linux magic is useful for reference, but using
8 # "long" magic is a better practice in order to avoid collisions.
10 # 2 leshort 100 Linux/i386
11 # >0 leshort 0407 impure executable (OMAGIC)
12 # >0 leshort 0410 pure executable (NMAGIC)
13 # >0 leshort 0413 demand-paged executable (ZMAGIC)
14 # >0 leshort 0314 demand-paged executable (QMAGIC)
16 0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC)
17 >16 lelong 0 \b, stripped
18 0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC)
19 >16 lelong 0 \b, stripped
20 0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC)
21 >16 lelong 0 \b, stripped
22 0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC)
23 >16 lelong 0 \b, stripped
25 0 string \007\001\000 Linux/i386 object file
26 >20 lelong >0x1020 \b, DLL library
28 0 string \01\03\020\04 Linux-8086 impure executable
29 >28 long !0 not stripped
30 0 string \01\03\040\04 Linux-8086 executable
31 >28 long !0 not stripped
33 0 string \243\206\001\0 Linux-8086 object file
35 0 string \01\03\020\20 Minix-386 impure executable
36 >28 long !0 not stripped
37 0 string \01\03\040\20 Minix-386 executable
38 >28 long !0 not stripped
39 # core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
40 216 lelong 0421 Linux/i386 core file
41 >220 string >\0 of '%s'
42 >200 lelong >0 (signal %d)
44 # LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
45 # this can be overridden by the DOS executable (COM) entry
46 2 string LILO Linux/i386 LILO boot/chain loader
48 # Linux make config build file, from Ole Aamot <oka@oka.no>
49 28 string make\ config Linux make config build file
51 # PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
52 # Updated by Adam Buchbinder <adam.buchbinder@gmail.com>
53 # See: http://www.win.tue.nl/~aeb/linux/kbd/font-formats-1.html
54 0 leshort 0x0436 Linux/i386 PC Screen Font v1 data,
55 >2 byte&0x01 0 256 characters,
56 >2 byte&0x01 !0 512 characters,
57 >2 byte&0x02 0 no directory,
58 >2 byte&0x02 !0 Unicode directory,
60 0 string \x72\xb5\x4a\x86\x00\x00 Linux/i386 PC Screen Font v2 data,
61 >16 lelong x %d characters,
62 >12 lelong&0x01 0 no directory,
63 >12 lelong&0x01 !0 Unicode directory,
67 # Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
68 4086 string SWAP-SPACE Linux/i386 swap file
69 # From: Jeff Bailey <jbailey@ubuntu.com>
70 # Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com>
71 4076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image
72 # From: James Hunt <james.hunt@ubuntu.com>
73 4076 string SWAPSPACE2LINHIB0001 Linux/i386 swap file (new style) (compressed hibernate)
74 # according to man page of mkswap (8) March 1999
75 # volume label and UUID Russell Coker
76 # http://etbe.coker.com.au/2008/07/08/label-vs-uuid-vs-device/
77 4086 string SWAPSPACE2 Linux/i386 swap file (new style),
78 >0x400 long x version %d (4K pages),
79 >0x404 long x size %d pages,
80 >1052 string \0 no label,
81 >1052 string >\0 LABEL=%s,
82 >0x40c belong x UUID=%08x
83 >0x410 beshort x \b-%04x
84 >0x412 beshort x \b-%04x
85 >0x414 beshort x \b-%04x
86 >0x416 belong x \b-%08x
87 >0x41a beshort x \b%04x
88 # From Daniel Novotny <dnovotny@redhat.com>
89 # swap file for PowerPC
90 65526 string SWAPSPACE2 Linux/ppc swap file
91 # ECOFF magic for OSF/1 and Linux (only tested under Linux though)
93 # from Erik Troan (ewt@redhat.com) examining od dumps, so this
95 # updated by David Mosberger (davidm@azstarnet.com) based on
96 # GNU BFD and MIPS info found below.
98 0 leshort 0x0183 ECOFF alpha
99 >24 leshort 0407 executable
100 >24 leshort 0410 pure
101 >24 leshort 0413 demand paged
102 >8 long >0 not stripped
104 >23 leshort >0 - version %ld.
106 # Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
107 # and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
108 # and Nicolás Lichtmaier <nick@debian.org>
109 # All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
110 # Linux kernel boot images (i386 arch) (Wolfram Kleff)
111 514 string HdrS Linux kernel
112 >510 leshort 0xAA55 x86 boot executable
114 >>>529 byte 0 zImage,
115 >>>529 byte 1 bzImage,
116 >>>(526.s+0x200) string >\0 version %s,
117 >>498 leshort 1 RO-rootFS,
118 >>498 leshort 0 RW-rootFS,
119 >>508 leshort >0 root_dev 0x%X,
120 >>502 leshort >0 swap_dev 0x%X,
121 >>504 leshort >0 RAMdisksize %u KB,
122 >>506 leshort 0xFFFF Normal VGA
123 >>506 leshort 0xFFFE Extended VGA
124 >>506 leshort 0xFFFD Prompt for Videomode
125 >>506 leshort >0 Video mode %d
126 # This also matches new kernels, which were caught above by "HdrS".
127 0 belong 0xb8c0078e Linux kernel
128 >0x1e3 string Loading version 1.3.79 or older
129 >0x1e9 string Loading from prehistoric times
131 # System.map files - Nicolás Lichtmaier <nick@debian.org>
132 8 search/1 \ A\ _text Linux kernel symbol map text
134 # LSM entries - Nicolás Lichtmaier <nick@debian.org>
135 0 search/1 Begin3 Linux Software Map entry text
136 0 search/1 Begin4 Linux Software Map entry text (new format)
138 # From Matt Zimmerman, enhanced for v3 by Matthew Palmer
139 0 belong 0x4f4f4f4d User-mode Linux COW file
140 >4 belong <3 \b, version %d
141 >>8 string >\0 \b, backing file %s
142 >4 belong >2 \b, version %d
143 >>32 string >\0 \b, backing file %s
145 ############################################################################
146 # Linux kernel versions
148 0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux
149 >497 leshort 0 x86 boot sector
150 >>514 belong 0x8e of a kernel from the dawn of time!
151 >>514 belong 0x908ed8b4 version 0.99-1.1.42
152 >>514 belong 0x908ed8b8 for memtest86
154 >497 leshort !0 x86 kernel
155 >>504 leshort >0 RAMdisksize=%u KB
156 >>502 leshort >0 swap=0x%X
157 >>508 leshort >0 root=0x%X
158 >>>498 leshort 1 \b-ro
159 >>>498 leshort 0 \b-rw
160 >>506 leshort 0xFFFF vga=normal
161 >>506 leshort 0xFFFE vga=extended
162 >>506 leshort 0xFFFD vga=ask
163 >>506 leshort >0 vga=%d
164 >>514 belong 0x908ed881 version 1.1.43-1.1.45
165 >>514 belong 0x15b281cd
166 >>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0
167 >>>0xa99 belong 0x55AA5a5a version 1.3.1,2
168 >>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30
169 >>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41
170 >>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45
171 >>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72
173 >>>518 leshort >0x1FF
174 >>>>529 byte 0 \b, zImage
175 >>>>529 byte 1 \b, bzImage
176 >>>>(526.s+0x200) string >\0 \b, version %s
178 # Linux boot sector thefts.
179 0 belong 0xb8c0078e Linux
180 >0x1e6 belong 0x454c4b53 ELKS Kernel
181 >0x1e6 belong !0x454c4b53 style boot sector
183 ############################################################################
184 # Linux S390 kernel image
185 # Created by: Jan Kaluza <jkaluza@redhat.com>
186 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
187 >0x00010000 search/b/4096 \x00\x0a\x00\x00\x8b\xad\xcc\xcc
189 >>&0 string \xc1\x00\xef\xe3\xf0\x68\x00\x00 Z10 64bit kernel
190 >>&0 string \xc1\x00\xef\xc3\x00\x00\x00\x00 Z9-109 64bit kernel
191 >>&0 string \xc0\x00\x20\x00\x00\x00\x00\x00 Z990 64bit kernel
192 >>&0 string \x00\x00\x00\x00\x00\x00\x00\x00 Z900 64bit kernel
194 >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z10 32bit kernel
195 >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z9-109 32bit kernel
196 >>&0 string \x80\x00\x20\x00\x00\x00\x00\x00 Z990 32bit kernel
197 >>&0 string \x80\x00\x00\x00\x00\x00\x00\x00 Z900 32bit kernel
199 ############################################################################
200 # Linux 8086 executable
201 0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
203 >>4 string >\0 \b, libc version %s
205 0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable
206 >2 byte&0x01 !0 \b, unmapped zero page
207 >2 byte&0x20 0 \b, impure
209 >>2 byte&0x10 !0 \b, A_EXEC
210 >2 byte&0x02 !0 \b, A_PAL
211 >2 byte&0x04 !0 \b, A_NSYM
212 >2 byte&0x08 !0 \b, A_STAND
213 >2 byte&0x40 !0 \b, A_PURE
214 >2 byte&0x80 !0 \b, A_TOVLY
215 >28 long !0 \b, not stripped
217 >>36 string >\0 \b, libc version %s
219 # 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable
220 # 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable
221 # 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable
222 # 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable
224 # SYSLINUX boot logo files (from 'ppmtolss16' sources)
225 # http://syslinux.zytor.com/
227 0 lelong =0x1413f33d SYSLINUX' LSS16 image data
228 >4 leshort x \b, width %d
229 >6 leshort x \b, height %d
231 0 string OOOM User-Mode-Linux's Copy-On-Write disk image
232 >4 belong x version %d
234 # SE Linux policy database
235 # From: Mike Frysinger <vapier@gentoo.org>
236 0 lelong 0xf97cff8c SE Linux policy
239 >24 lelong x %d symbols
240 >28 lelong x %d ocons
242 # Linux Logical Volume Manager (LVM)
243 # Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
245 # System ID, UUID and volume group name are 128 bytes long
246 # but they should never be full and initialized with zeros...
250 0x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1
251 >0x12c string >\0 , System ID: %s
253 0x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2
254 >0x12c string >\0 , System ID: %s
258 # It seems that the label header can be in one the four first sector
259 # of the disk... (from _find_labeller in lib/label/label.c of LVM2)
261 # 0x200 seems to be the common case
263 0x218 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
264 # read the offset to add to the start of the header, and the header
266 >&(&-12.l-0x21) byte x
267 # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
268 >>&0x0 string >\x2f \b, UUID: %.6s
269 >>&0x6 string >\x2f \b-%.4s
270 >>&0xa string >\x2f \b-%.4s
271 >>&0xe string >\x2f \b-%.4s
272 >>&0x12 string >\x2f \b-%.4s
273 >>&0x16 string >\x2f \b-%.4s
274 >>&0x1a string >\x2f \b-%.6s
275 >>&0x20 lequad x \b, size: %lld
277 0x018 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
278 >&(&-12.l-0x21) byte x
279 # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
280 >>&0x0 string >\x2f \b, UUID: %.6s
281 >>&0x6 string >\x2f \b-%.4s
282 >>&0xa string >\x2f \b-%.4s
283 >>&0xe string >\x2f \b-%.4s
284 >>&0x12 string >\x2f \b-%.4s
285 >>&0x16 string >\x2f \b-%.4s
286 >>&0x1a string >\x2f \b-%.6s
287 >>&0x20 lequad x \b, size: %lld
289 0x418 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
290 >&(&-12.l-0x21) byte x
291 # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
292 >>&0x0 string >\x2f \b, UUID: %.6s
293 >>&0x6 string >\x2f \b-%.4s
294 >>&0xa string >\x2f \b-%.4s
295 >>&0xe string >\x2f \b-%.4s
296 >>&0x12 string >\x2f \b-%.4s
297 >>&0x16 string >\x2f \b-%.4s
298 >>&0x1a string >\x2f \b-%.6s
299 >>&0x20 lequad x \b, size: %lld
301 0x618 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
302 >&(&-12.l-0x21) byte x
303 # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
304 >>&0x0 string >\x2f \b, UUID: %.6s
305 >>&0x6 string >\x2f \b-%.4s
306 >>&0xa string >\x2f \b-%.4s
307 >>&0xe string >\x2f \b-%.4s
308 >>&0x12 string >\x2f \b-%.4s
309 >>&0x16 string >\x2f \b-%.4s
310 >>&0x1a string >\x2f \b-%.6s
311 >>&0x20 lequad x \b, size: %lld
315 0 string SnAp LVM Snapshot (CopyOnWrite store)
316 >4 lelong !0 - valid,
317 >4 lelong 0 - invalid,
318 >8 lelong x version %d,
319 >12 lelong x chunk_size %d
321 # SE Linux policy database
322 0 lelong 0xf97cff8c SE Linux policy
325 >24 lelong x %d symbols
326 >28 lelong x %d ocons
328 # LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
329 # Anthon van der Neut (anthon@mnt.org)
330 0 string LUKS\xba\xbe LUKS encrypted file,
335 >168 string x UUID: %s
338 # Summary: Xen saved domain file
339 # Created by: Radek Vokal <rvokal@redhat.com>
340 0 string LinuxGuestRecord Xen saved domain
342 >>&1 string x (name %s)
344 # Type: Xen, the virtual machine monitor
345 # From: Radek Vokal <rvokal@redhat.com>
346 0 string LinuxGuestRecord Xen saved domain
347 #>2 regex \(name\ [^)]*\) %s
348 >20 search/256 (name (name