2 #------------------------------------------------------------------------------
3 # $File: linux,v 1.65 2018/07/16 12:32:08 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 0 string \01\03\04\20 Minix-386 NSYM/GNU executable
40 >28 long !0 not stripped
41 # core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
42 216 lelong 0421 Linux/i386 core file
44 >220 string >\0 of '%s'
45 >200 lelong >0 (signal %d)
47 # LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
48 # this can be overridden by the DOS executable (COM) entry
49 2 string LILO Linux/i386 LILO boot/chain loader
51 # Linux make config build file, from Ole Aamot <oka@oka.no>
52 # Updated by Ken Sharp
53 28 string make\ config Linux make config build file (old)
54 49 search/70 Kernel\ Configuration Linux make config build file
57 # PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
58 # Updated by Adam Buchbinder <adam.buchbinder@gmail.com>
59 # See: http://www.win.tue.nl/~aeb/linux/kbd/font-formats-1.html
60 0 leshort 0x0436 Linux/i386 PC Screen Font v1 data,
61 >2 byte&0x01 0 256 characters,
62 >2 byte&0x01 !0 512 characters,
63 >2 byte&0x02 0 no directory,
64 >2 byte&0x02 !0 Unicode directory,
66 0 string \x72\xb5\x4a\x86\x00\x00 Linux/i386 PC Screen Font v2 data,
67 >16 lelong x %d characters,
68 >12 lelong&0x01 0 no directory,
69 >12 lelong&0x01 !0 Unicode directory,
73 # Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
74 4086 string SWAP-SPACE Linux/i386 swap file
75 # From: Jeff Bailey <jbailey@ubuntu.com>
76 # Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com>
77 4076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image
78 # From: James Hunt <james.hunt@ubuntu.com>
79 4076 string SWAPSPACE2LINHIB0001 Linux/i386 swap file (new style) (compressed hibernate)
80 # according to man page of mkswap (8) March 1999
81 # volume label and UUID Russell Coker
82 # http://etbe.coker.com.au/2008/07/08/label-vs-uuid-vs-device/
83 4086 string SWAPSPACE2 Linux/i386 swap file (new style),
84 >0x400 long x version %d (4K pages),
85 >0x404 long x size %d pages,
86 >1052 string \0 no label,
87 >1052 string >\0 LABEL=%s,
88 >0x40c belong x UUID=%08x
89 >0x410 beshort x \b-%04x
90 >0x412 beshort x \b-%04x
91 >0x414 beshort x \b-%04x
92 >0x416 belong x \b-%08x
93 >0x41a beshort x \b%04x
94 # From Daniel Novotny <dnovotny@redhat.com>
95 # swap file for PowerPC
96 65526 string SWAPSPACE2 Linux/ppc swap file
97 >0x400 long x version %d,
98 >0x404 long x size %d pages,
99 >1052 string \0 no label,
100 >1052 string >\0 LABEL=%s,
101 >0x40c belong x UUID=%08x
102 >0x410 beshort x \b-%04x
103 >0x412 beshort x \b-%04x
104 >0x414 beshort x \b-%04x
105 >0x416 belong x \b-%08x
106 >0x41a beshort x \b%04x
107 16374 string SWAPSPACE2 Linux/ia64 swap file
109 # Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
110 # and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
111 # and Nicolas Lichtmaier <nick@debian.org>
112 # All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
113 # Linux kernel boot images (i386 arch) (Wolfram Kleff)
114 514 string HdrS Linux kernel
116 >510 leshort 0xAA55 x86 boot executable
118 >>>529 byte 0 zImage,
119 >>>529 byte 1 bzImage,
121 >>>>(526.s+0x200) string >\0 version %s,
122 >>498 leshort 1 RO-rootFS,
123 >>498 leshort 0 RW-rootFS,
124 >>508 leshort >0 root_dev 0x%X,
125 >>502 leshort >0 swap_dev 0x%X,
126 >>504 leshort >0 RAMdisksize %u KB,
127 >>506 leshort 0xFFFF Normal VGA
128 >>506 leshort 0xFFFE Extended VGA
129 >>506 leshort 0xFFFD Prompt for Videomode
130 >>506 leshort >0 Video mode %d
131 # This also matches new kernels, which were caught above by "HdrS".
132 0 belong 0xb8c0078e Linux kernel
133 >0x1e3 string Loading version 1.3.79 or older
134 >0x1e9 string Loading from prehistoric times
136 # System.map files - Nicolas Lichtmaier <nick@debian.org>
137 8 search/1 \ A\ _text Linux kernel symbol map text
139 # LSM entries - Nicolas Lichtmaier <nick@debian.org>
140 0 search/1 Begin3 Linux Software Map entry text
141 0 search/1 Begin4 Linux Software Map entry text (new format)
143 # From Matt Zimmerman, enhanced for v3 by Matthew Palmer
144 0 belong 0x4f4f4f4d User-mode Linux COW file
145 >4 belong <3 \b, version %d
146 >>8 string >\0 \b, backing file %s
147 >4 belong >2 \b, version %d
148 >>32 string >\0 \b, backing file %s
150 ############################################################################
151 # Linux kernel versions
153 0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux
154 >497 leshort 0 x86 boot sector
155 >>514 belong 0x8e of a kernel from the dawn of time!
156 >>514 belong 0x908ed8b4 version 0.99-1.1.42
157 >>514 belong 0x908ed8b8 for memtest86
159 >497 leshort !0 x86 kernel
160 >>504 leshort >0 RAMdisksize=%u KB
161 >>502 leshort >0 swap=0x%X
162 >>508 leshort >0 root=0x%X
163 >>>498 leshort 1 \b-ro
164 >>>498 leshort 0 \b-rw
165 >>506 leshort 0xFFFF vga=normal
166 >>506 leshort 0xFFFE vga=extended
167 >>506 leshort 0xFFFD vga=ask
168 >>506 leshort >0 vga=%d
169 >>514 belong 0x908ed881 version 1.1.43-1.1.45
170 >>514 belong 0x15b281cd
171 >>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0
172 >>>0xa99 belong 0x55AA5a5a version 1.3.1,2
173 >>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30
174 >>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41
175 >>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45
176 >>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72
178 >>>518 leshort >0x1FF
179 >>>>529 byte 0 \b, zImage
180 >>>>529 byte 1 \b, bzImage
181 >>>>(526.s+0x200) string >\0 \b, version %s
183 # Linux boot sector thefts.
184 0 belong 0xb8c0078e Linux
185 >0x1e6 belong 0x454c4b53 ELKS Kernel
186 >0x1e6 belong !0x454c4b53 style boot sector
188 ############################################################################
189 # Linux S390 kernel image
190 # Created by: Jan Kaluza <jkaluza@redhat.com>
191 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
192 >0x00010000 search/b/4096 \x00\x0a\x00\x00\x8b\xad\xcc\xcc
194 >>&0 string \xc1\x00\xef\xe3\xf0\x68\x00\x00 Z10 64bit kernel
195 >>&0 string \xc1\x00\xef\xc3\x00\x00\x00\x00 Z9-109 64bit kernel
196 >>&0 string \xc0\x00\x20\x00\x00\x00\x00\x00 Z990 64bit kernel
197 >>&0 string \x00\x00\x00\x00\x00\x00\x00\x00 Z900 64bit kernel
199 >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z10 32bit kernel
200 >>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z9-109 32bit kernel
201 >>&0 string \x80\x00\x20\x00\x00\x00\x00\x00 Z990 32bit kernel
202 >>&0 string \x80\x00\x00\x00\x00\x00\x00\x00 Z900 32bit kernel
204 # Linux ARM compressed kernel image
205 # From: Kevin Cernekee <cernekee@gmail.com>
206 36 lelong 0x016f2818 Linux kernel ARM boot executable zImage (little-endian)
207 36 belong 0x016f2818 Linux kernel ARM boot executable zImage (big-endian)
209 ############################################################################
210 # Linux 8086 executable
211 0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
213 >>4 string >\0 \b, libc version %s
215 0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable
216 >2 byte&0x01 !0 \b, unmapped zero page
217 >2 byte&0x20 0 \b, impure
219 >>2 byte&0x10 !0 \b, A_EXEC
220 >2 byte&0x02 !0 \b, A_PAL
221 >2 byte&0x04 !0 \b, A_NSYM
222 >2 byte&0x08 !0 \b, A_STAND
223 >2 byte&0x40 !0 \b, A_PURE
224 >2 byte&0x80 !0 \b, A_TOVLY
225 >28 long !0 \b, not stripped
227 >>36 string >\0 \b, libc version %s
229 # 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable
230 # 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable
231 # 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable
232 # 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable
234 # SYSLINUX boot logo files (from 'ppmtolss16' sources)
235 # http://www.syslinux.org/wiki/index.php/SYSLINUX#Display_graphic_from_filename:
236 # file extension .lss .16
237 0 lelong =0x1413f33d SYSLINUX' LSS16 image data
238 # syslinux-4.05/mime/image/x-lss16.xml
240 >4 leshort x \b, width %d
241 >6 leshort x \b, height %d
243 0 string OOOM User-Mode-Linux's Copy-On-Write disk image
244 >4 belong x version %d
246 # SE Linux policy database
247 # From: Mike Frysinger <vapier@gentoo.org>
248 0 lelong 0xf97cff8c SE Linux policy
251 >24 lelong x %d symbols
252 >28 lelong x %d ocons
254 # Linux Logical Volume Manager (LVM)
255 # Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net>
257 # System ID, UUID and volume group name are 128 bytes long
258 # but they should never be full and initialized with zeros...
262 0x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1
263 >0x12c string >\0 , System ID: %s
265 0x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2
266 >0x12c string >\0 , System ID: %s
270 # It seems that the label header can be in one the four first sector
271 # of the disk... (from _find_labeller in lib/label/label.c of LVM2)
273 # 0x200 seems to be the common case
275 0x218 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
276 # read the offset to add to the start of the header, and the header
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 0x018 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 0x418 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
313 0x618 string LVM2\ 001 LVM2 PV (Linux Logical Volume Manager)
314 >&(&-12.l-0x21) byte x
315 # display UUID in LVM format + display all 32 bytes (instead of max string length: 31)
316 >>&0x0 string >\x2f \b, UUID: %.6s
317 >>&0x6 string >\x2f \b-%.4s
318 >>&0xa string >\x2f \b-%.4s
319 >>&0xe string >\x2f \b-%.4s
320 >>&0x12 string >\x2f \b-%.4s
321 >>&0x16 string >\x2f \b-%.4s
322 >>&0x1a string >\x2f \b-%.6s
323 >>&0x20 lequad x \b, size: %lld
327 0 string SnAp LVM Snapshot (CopyOnWrite store)
328 >4 lelong !0 - valid,
329 >4 lelong 0 - invalid,
330 >8 lelong x version %d,
331 >12 lelong x chunk_size %d
333 # SE Linux policy database
334 0 lelong 0xf97cff8c SE Linux policy
337 >24 lelong x %d symbols
338 >28 lelong x %d ocons
340 # LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
341 # Anthon van der Neut (anthon@mnt.org)
342 0 string LUKS\xba\xbe LUKS encrypted file,
347 >168 string x UUID: %s
350 # Summary: Xen saved domain file
351 # Created by: Radek Vokal <rvokal@redhat.com>
352 0 string LinuxGuestRecord Xen saved domain
354 >>&1 string x (name %s)
356 # Type: Xen, the virtual machine monitor
357 # From: Radek Vokal <rvokal@redhat.com>
358 0 string LinuxGuestRecord Xen saved domain
359 #>2 regex \(name\ [^)]*\) %s
360 >20 search/256 (name (name
363 # Systemd journald files
364 # See http://www.freedesktop.org/wiki/Software/systemd/journal-files/.
365 # From: Zbigniew Jedrzejewski-Szmek <zbyszek@in.waw.pl>
369 # check that state is one of known values
371 # check that each half of three unique id128s is non-zero
377 >>>>>>>64 ubequad >0 Journal file
378 !:mime application/octet-stream
380 >>>>>>>>184 leqdate 0 empty
381 >>>>>>>>16 ubyte 0 \b, offline
382 >>>>>>>>16 ubyte 1 \b, online
383 >>>>>>>>16 ubyte 2 \b, archived
384 >>>>>>>>8 ulelong&1 1 \b, sealed
385 >>>>>>>>12 ulelong&1 1 \b, compressed
387 # BCache backing and cache devices
388 # From: Gabriel de Perthuis <g2p.code@gmail.com>
390 >0x1018 string \xc6\x85\x73\xf6\x4e\x1a\x45\xca\x82\x65\xf5\x7f\x48\xba\x6d\x81 BCache
391 >>0x1010 ulequad 0 cache device
392 >>0x1010 ulequad 1 backing device
393 >>0x1010 ulequad 3 cache device
394 >>0x1010 ulequad 4 backing device
395 >>0x1048 string >0 \b, label "%.32s"
396 >>0x1028 ubelong x \b, uuid %08x
397 >>0x102c ubeshort x \b-%04x
398 >>0x102e ubeshort x \b-%04x
399 >>0x1030 ubeshort x \b-%04x
400 >>0x1032 ubelong x \b-%08x
401 >>0x1036 ubeshort x \b%04x
402 >>0x1038 ubelong x \b, set uuid %08x
403 >>0x103c ubeshort x \b-%04x
404 >>0x103e ubeshort x \b-%04x
405 >>0x1040 ubeshort x \b-%04x
406 >>0x1042 ubelong x \b-%08x
407 >>0x1046 ubeshort x \b%04x
410 # File format description can be found in the Linux kernel sources at
411 # Documentation/devicetree/booting-without-of.txt
412 # From Christoph Biedl
414 # structure and strings must be within blob
417 >>>20 belong >1 Device Tree Blob version %d
418 >>>>4 belong x \b, size=%d
420 >>>>>28 belong x \b, boot CPU=%d
422 >>>>>32 belong x \b, string block size=%d
424 >>>>>36 belong x \b, DT structure block size=%d
426 # glibc locale archive as defined in glibc locale/locarchive.h
427 0 lelong 0xde020109 locale archive
428 >24 lelong x %d strings
430 # Linux Software RAID (mdadm)
431 # Russell Coker <russell@coker.com.au>
433 >16 belong x UUID=%8x:
438 >72 lelong x level=%d
439 >92 lelong x disks=%d
441 4096 lelong 0xa92b4efc Linux Software RAID
442 >4100 lelong x version 1.2 (%d)
445 0 lelong 0xa92b4efc Linux Software RAID
446 >4 lelong x version 1.1 (%d)
449 # Summary: Database file for mlocate
450 # Description: A database file as used by mlocate, a fast implementation
451 # of locate/updatedb. It uses merging to reuse the existing
452 # database and avoid rereading most of the filesystem. It's
453 # the default version of locate on Arch Linux (and others).
454 # File path: /var/lib/mlocate/mlocate.db by default (but configurable)
455 # Site: https://fedorahosted.org/mlocate/
456 # Format docs: http://linux.die.net/man/5/mlocate.db
457 # Type: mlocate database file
458 # URL: https://fedorahosted.org/mlocate/
459 # From: Wander Nauta <info@wandernauta.nl>
460 0 string \0mlocate mlocate database
461 >12 byte x \b, version %d
462 >13 byte 1 \b, require visibility
463 >16 string x \b, root %s
465 # Dump files for iproute2 tool. Generated by the "ip r|a save" command. URL:
466 # https://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2
467 # From: Pavel Emelyanov <xemul@parallels.com>
468 0 lelong 0x45311224 iproute2 routes dump
469 0 lelong 0x47361222 iproute2 addresses dump
471 # Image and service files for CRIU tool.
472 # URL: http://criu.org
473 # From: Pavel Emelyanov <xemul@parallels.com>
474 0 lelong 0x54564319 CRIU image file v1.1
475 0 lelong 0x55105940 CRIU service file
476 0 lelong 0x58313116 CRIU inventory
478 # Kdump compressed dump files
479 # http://sourceforge.net/p/makedumpfile/code/ci/master/tree/IMPLEMENTATION
481 0 string KDUMP Kdump compressed dump
483 >12 string >\0 \b, system %s
484 >77 string >\0 \b, node %s
485 >142 string >\0 \b, release %s
486 >207 string >\0 \b, version %s
487 >272 string >\0 \b, machine %s
488 >337 string >\0 \b, domain %s