| blob | 83d4305d0a1f6f32e1632b83648dfb500a798701 |
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 #
14 0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC)
15 >16 lelong 0 \b, stripped
16 0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC)
17 >16 lelong 0 \b, stripped
18 0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC)
19 >16 lelong 0 \b, stripped
20 0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC)
21 >16 lelong 0 \b, stripped
22 #
23 0 string \007\001\000 Linux/i386 object file
24 >20 lelong >0x1020 \b, DLL library
25 # Linux-8086 stuff:
26 0 string \01\03\020\04 Linux-8086 impure executable
27 >28 long !0 not stripped
28 0 string \01\03\040\04 Linux-8086 executable
29 >28 long !0 not stripped
30 #
31 0 string \243\206\001\0 Linux-8086 object file
32 #
33 0 string \01\03\020\20 Minix-386 impure executable
34 >28 long !0 not stripped
35 0 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>
38 216 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
44 2 string LILO Linux/i386 LILO boot/chain loader
45 #
46 # PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
47 0 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>
54 4086 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>
57 4076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image
58 # according to man page of mkswap (8) March 1999
59 4086 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 #
71 0 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 Nicolás 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)
84 514 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".
100 0 belong 0xb8c0078e Linux kernel
101 >0x1e3 string Loading version 1.3.79 or older
102 >0x1e9 string Loading from prehistoric times
104 # System.map files - Nicolás Lichtmaier <nick@debian.org>
105 8 search/1 \ A\ _text Linux kernel symbol map text
107 # LSM entries - Nicolás Lichtmaier <nick@debian.org>
108 0 search/1 Begin3 Linux Software Map entry text
109 0 search/1 Begin4 Linux Software Map entry text (new format)
111 # From Matt Zimmerman, enhanced for v3 by Matthew Palmer
112 0 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
118 ############################################################################
119 # Linux kernel versions
121 0 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
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
151 # Linux boot sector thefts.
152 0 belong 0xb8c0078e Linux
153 >0x1e6 belong 0x454c4b53 ELKS Kernel
154 >0x1e6 belong !0x454c4b53 style boot sector
156 ############################################################################
157 # Linux 8086 executable
158 0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
159 >5 string .
160 >>4 string >\0 \b, libc version %s
162 0 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
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
181 # SYSLINUX boot logo files (from 'ppmtolss16' sources)
182 # http://syslinux.zytor.com/
183 #
184 0 lelong =0x1413f33d SYSLINUX' LSS16 image data
185 >4 leshort x \b, width %d
186 >6 leshort x \b, height %d
188 0 string OOOM User-Mode-Linux's Copy-On-Write disk image
189 >4 belong x version %d
191 # SE Linux policy database
192 # From: Mike Frysinger <vapier@gentoo.org>
193 0 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
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 #
207 0x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1
208 >0x12c string >\0 , System ID: %s
210 0x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2
211 >0x12c string >\0 , System ID: %s
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
220 0x218 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
225 0x018 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
226 >(0x014.l) string >\0 , UUID: %s
228 0x418 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
229 >(0x414.l+0x400) string >\0 , UUID: %s
231 0x618 string LVM2\ 001 LVM2 (Linux Logical Volume Manager)
232 >(0x614.l+0x600) string >\0 , UUID: %s
234 # LVM snapshot
235 # from Jason Farrel
236 0 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
242 # SE Linux policy database
243 0 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
249 # LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec
250 # Anthon van der Neut (anthon@mnt.org)
251 0 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
259 # Summary: Xen saved domain file
260 # Created by: Radek Vokal <rvokal@redhat.com>
261 0 string LinuxGuestRecord Xen saved domain
262 >20 search/256 (name
263 >>&1 string x (name %s)