1 2#------------------------------------------------------------------------------ 3# $File: linux,v 1.33 2009/10/23 16:44:59 christos Exp $ 4# linux: file(1) magic for Linux files 5# 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. 9# 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) 15# 160 lelong 0x00640107 Linux/i386 impure executable (OMAGIC) 17>16 lelong 0 \b, stripped 180 lelong 0x00640108 Linux/i386 pure executable (NMAGIC) 19>16 lelong 0 \b, stripped 200 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC) 21>16 lelong 0 \b, stripped 220 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC) 23>16 lelong 0 \b, stripped 24# 250 string \007\001\000 Linux/i386 object file 26>20 lelong >0x1020 \b, DLL library 27# Linux-8086 stuff: 280 string \01\03\020\04 Linux-8086 impure executable 29>28 long !0 not stripped 300 string \01\03\040\04 Linux-8086 executable 31>28 long !0 not stripped 32# 330 string \243\206\001\0 Linux-8086 object file 34# 350 string \01\03\020\20 Minix-386 impure executable 36>28 long !0 not stripped 370 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> 40216 lelong 0421 Linux/i386 core file 41>220 string >\0 of '%s' 42>200 lelong >0 (signal %d) 43# 44# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com> 45# this can be overridden by the DOS executable (COM) entry 462 string LILO Linux/i386 LILO boot/chain loader 47# 48# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com> 490 leshort 0x0436 Linux/i386 PC Screen Font data, 50>2 byte 0 256 characters, no directory, 51>2 byte 1 512 characters, no directory, 52>2 byte 2 256 characters, Unicode directory, 53>2 byte 3 512 characters, Unicode directory, 54>3 byte >0 8x%d 55# Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com> 564086 string SWAP-SPACE Linux/i386 swap file 57# From: Jeff Bailey <jbailey@ubuntu.com> 58# Linux swap file with swsusp1 image, from Jeff Bailey <jbailey@ubuntu.com> 594076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image 60# according to man page of mkswap (8) March 1999 614086 string SWAPSPACE2 Linux/i386 swap file (new style) 62>0x400 long x %d (4K pages) 63>0x404 long x size %d pages 64>>4086 string SWAPSPACE2 65>>>1052 string >\0 Label %s 66# From Daniel Novotny <dnovotny@redhat.com> 67# swap file for PowerPC 6865526 string SWAPSPACE2 Linux/ppc swap file 69# ECOFF magic for OSF/1 and Linux (only tested under Linux though) 70# 71# from Erik Troan (ewt@redhat.com) examining od dumps, so this 72# could be wrong 73# updated by David Mosberger (davidm@azstarnet.com) based on 74# GNU BFD and MIPS info found below. 75# 760 leshort 0x0183 ECOFF alpha 77>24 leshort 0407 executable 78>24 leshort 0410 pure 79>24 leshort 0413 demand paged 80>8 long >0 not stripped 81>8 long 0 stripped 82>23 leshort >0 - version %ld. 83# 84# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu> 85# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de> 86# and Nicol�s Lichtmaier <nick@debian.org> 87# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29 88# Linux kernel boot images (i386 arch) (Wolfram Kleff) 89514 string HdrS Linux kernel 90>510 leshort 0xAA55 x86 boot executable 91>>518 leshort >0x1ff 92>>>529 byte 0 zImage, 93>>>529 byte 1 bzImage, 94>>>(526.s+0x200) string >\0 version %s, 95>>498 leshort 1 RO-rootFS, 96>>498 leshort 0 RW-rootFS, 97>>508 leshort >0 root_dev 0x%X, 98>>502 leshort >0 swap_dev 0x%X, 99>>504 leshort >0 RAMdisksize %u KB, 100>>506 leshort 0xFFFF Normal VGA 101>>506 leshort 0xFFFE Extended VGA 102>>506 leshort 0xFFFD Prompt for Videomode 103>>506 leshort >0 Video mode %d 104# This also matches new kernels, which were caught above by "HdrS". 1050 belong 0xb8c0078e Linux kernel 106>0x1e3 string Loading version 1.3.79 or older 107>0x1e9 string Loading from prehistoric times 108 109# System.map files - Nicol�s Lichtmaier <nick@debian.org> 1108 search/1 \ A\ _text Linux kernel symbol map text 111 112# LSM entries - Nicol�s Lichtmaier <nick@debian.org> 1130 search/1 Begin3 Linux Software Map entry text 1140 search/1 Begin4 Linux Software Map entry text (new format) 115 116# From Matt Zimmerman, enhanced for v3 by Matthew Palmer 1170 belong 0x4f4f4f4d User-mode Linux COW file 118>4 belong <3 \b, version %d 119>>8 string >\0 \b, backing file %s 120>4 belong >2 \b, version %d 121>>32 string >\0 \b, backing file %s 122 123############################################################################ 124# Linux kernel versions 125 1260 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux 127>497 leshort 0 x86 boot sector 128>>514 belong 0x8e of a kernel from the dawn of time! 129>>514 belong 0x908ed8b4 version 0.99-1.1.42 130>>514 belong 0x908ed8b8 for memtest86 131 132>497 leshort !0 x86 kernel 133>>504 leshort >0 RAMdisksize=%u KB 134>>502 leshort >0 swap=0x%X 135>>508 leshort >0 root=0x%X 136>>>498 leshort 1 \b-ro 137>>>498 leshort 0 \b-rw 138>>506 leshort 0xFFFF vga=normal 139>>506 leshort 0xFFFE vga=extended 140>>506 leshort 0xFFFD vga=ask 141>>506 leshort >0 vga=%d 142>>514 belong 0x908ed881 version 1.1.43-1.1.45 143>>514 belong 0x15b281cd 144>>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0 145>>>0xa99 belong 0x55AA5a5a version 1.3.1,2 146>>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30 147>>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41 148>>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45 149>>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72 150>>514 string HdrS 151>>>518 leshort >0x1FF 152>>>>529 byte 0 \b, zImage 153>>>>529 byte 1 \b, bzImage 154>>>>(526.s+0x200) string >\0 \b, version %s 155 156# Linux boot sector thefts. 1570 belong 0xb8c0078e Linux 158>0x1e6 belong 0x454c4b53 ELKS Kernel 159>0x1e6 belong !0x454c4b53 style boot sector 160 161############################################################################ 162# Linux 8086 executable 1630 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless 164>5 string . 165>>4 string >\0 \b, libc version %s 166 1670 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable 168>2 byte&0x01 !0 \b, unmapped zero page 169>2 byte&0x20 0 \b, impure 170>2 byte&0x20 !0 171>>2 byte&0x10 !0 \b, A_EXEC 172>2 byte&0x02 !0 \b, A_PAL 173>2 byte&0x04 !0 \b, A_NSYM 174>2 byte&0x08 !0 \b, A_STAND 175>2 byte&0x40 !0 \b, A_PURE 176>2 byte&0x80 !0 \b, A_TOVLY 177>28 long !0 \b, not stripped 178>37 string . 179>>36 string >\0 \b, libc version %s 180 181# 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable 182# 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable 183# 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable 184# 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable 185 186# SYSLINUX boot logo files (from 'ppmtolss16' sources) 187# http://syslinux.zytor.com/ 188# 1890 lelong =0x1413f33d SYSLINUX' LSS16 image data 190>4 leshort x \b, width %d 191>6 leshort x \b, height %d 192 1930 string OOOM User-Mode-Linux's Copy-On-Write disk image 194>4 belong x version %d 195 196# SE Linux policy database 197# From: Mike Frysinger <vapier@gentoo.org> 1980 lelong 0xf97cff8c SE Linux policy 199>16 lelong x v%d 200>20 lelong 1 MLS 201>24 lelong x %d symbols 202>28 lelong x %d ocons 203 204# Linux Logical Volume Manager (LVM) 205# Emmanuel VARAGNAT <emmanuel.varagnat@guzu.net> 206# 207# System ID, UUID and volume group name are 128 bytes long 208# but they should never be full and initialized with zeros... 209# 210# LVM1 211# 2120x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1 213>0x12c string >\0 , System ID: %s 214 2150x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2 216>0x12c string >\0 , System ID: %s 217 218# LVM2 219# 220# It seems that the label header can be in one the four first sector 221# of the disk... (from _find_labeller in lib/label/label.c of LVM2) 222# 223# 0x200 seems to be the common case 224 2250x218 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) 226# read the offset to add to the start of the header, and the header 227# start in 0x200 228>(0x214.l+0x200) string >\0 , UUID: %s 229 2300x018 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) 231>(0x014.l) string >\0 , UUID: %s 232 2330x418 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) 234>(0x414.l+0x400) string >\0 , UUID: %s 235 2360x618 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) 237>(0x614.l+0x600) string >\0 , UUID: %s 238 239# LVM snapshot 240# from Jason Farrel 2410 string SnAp LVM Snapshot (CopyOnWrite store) 242>4 lelong !0 - valid, 243>4 lelong 0 - invalid, 244>8 lelong x version %d, 245>12 lelong x chunk_size %d 246 247# SE Linux policy database 2480 lelong 0xf97cff8c SE Linux policy 249>16 lelong x v%d 250>20 lelong 1 MLS 251>24 lelong x %d symbols 252>28 lelong x %d ocons 253 254# LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec 255# Anthon van der Neut (anthon@mnt.org) 2560 string LUKS\xba\xbe LUKS encrypted file, 257>6 beshort x ver %d 258>8 string x [%s, 259>40 string x %s, 260>72 string x %s] 261>168 string x UUID: %s 262 263 264# Summary: Xen saved domain file 265# Created by: Radek Vokal <rvokal@redhat.com> 2660 string LinuxGuestRecord Xen saved domain 267>20 search/256 (name 268>>&1 string x (name %s) 269 270