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#------------------------------------------------------------------------------
# linux: file(1) magic for Linux files
#
# Values for Linux/i386 binaries, from Daniel Quinlan <quinlan@yggdrasil.com>
# The following basic Linux magic is useful for reference, but using
# "long" magic is a better practice in order to avoid collisions.
#
# 2 leshort 100 Linux/i386
# >0 leshort 0407 impure executable (OMAGIC)
# >0 leshort 0410 pure executable (NMAGIC)
# >0 leshort 0413 demand-paged executable (ZMAGIC)
# >0 leshort 0314 demand-paged executable (QMAGIC)
#
0 lelong 0x00640107 Linux/i386 impure executable (OMAGIC)
>16 lelong 0 \b, stripped
0 lelong 0x00640108 Linux/i386 pure executable (NMAGIC)
>16 lelong 0 \b, stripped
0 lelong 0x0064010b Linux/i386 demand-paged executable (ZMAGIC)
>16 lelong 0 \b, stripped
0 lelong 0x006400cc Linux/i386 demand-paged executable (QMAGIC)
>16 lelong 0 \b, stripped
#
0 string \007\001\000 Linux/i386 object file
>20 lelong >0x1020 \b, DLL library
# Linux-8086 stuff:
0 string \01\03\020\04 Linux-8086 impure executable
>28 long !0 not stripped
0 string \01\03\040\04 Linux-8086 executable
>28 long !0 not stripped
#
0 string \243\206\001\0 Linux-8086 object file
#
0 string \01\03\020\20 Minix-386 impure executable
>28 long !0 not stripped
0 string \01\03\040\20 Minix-386 executable
>28 long !0 not stripped
# core dump file, from Bill Reynolds <bill@goshawk.lanl.gov>
216 lelong 0421 Linux/i386 core file
>220 string >\0 of '%s'
>200 lelong >0 (signal %d)
#
# LILO boot/chain loaders, from Daniel Quinlan <quinlan@yggdrasil.com>
# this can be overridden by the DOS executable (COM) entry
2 string LILO Linux/i386 LILO boot/chain loader
#
# Debian Packages, from Peter Tobias <tobias@server.et-inf.fho-emden.de>
0 string 0.9
>8 byte 0x0a old Debian Binary Package
>>3 byte >0 \b, created by dpkg 0.9%c
>>4 byte >0 pl%c
# PSF fonts, from H. Peter Anvin <hpa@yggdrasil.com>
0 leshort 0x0436 Linux/i386 PC Screen Font data,
>2 byte 0 256 characters, no directory,
>2 byte 1 512 characters, no directory,
>2 byte 2 256 characters, Unicode directory,
>2 byte 3 512 characters, Unicode directory,
>3 byte >0 8x%d
# Linux swap file, from Daniel Quinlan <quinlan@yggdrasil.com>
4086 string SWAP-SPACE Linux/i386 swap file
# according to man page of mkswap (8) March 1999
4086 string SWAPSPACE2 Linux/i386 swap file (new style)
# ECOFF magic for OSF/1 and Linux (only tested under Linux though)
#
# from Erik Troan (ewt@redhat.com) examining od dumps, so this
# could be wrong
# updated by David Mosberger (davidm@azstarnet.com) based on
# GNU BFD and MIPS info found below.
#
0 leshort 0x0183 ECOFF alpha
>24 leshort 0407 executable
>24 leshort 0410 pure
>24 leshort 0413 demand paged
>8 long >0 not stripped
>8 long 0 stripped
>23 leshort >0 - version %ld.
#
# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
# and Nicolás Lichtmaier <nick@debian.org>
# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
514 string HdrS Linux kernel
>518 leshort >0
>>529 byte 0 zImage data,
>>529 byte 1 bzImage data,
>0x048c byte 0x31
>>0x048c string x version %s
>0x0493 byte 0x31
>>0x0493 string x version %s
>0x048c byte 0x32
>>0x048c string x version %s
>0x0493 byte 0x32
>>0x0493 string x version %s
>0x04df byte 0x32
>>0x04df string x version %s
>0x04fb byte 0x32
>>0x04fb string x version %s
# This also matches new kernels, which were caught above by "HdrS".
0 belong 0xb8c0078e Linux kernel
>0x1e3 string Loading version 1.3.79 or older
>0x1e9 string Loading from prehistoric times
# LSM entries - Nicolás Lichtmaier <nick@feedback.net.ar>
0 string Begin3 Linux Software Map entry text
############################################################################
# Linux kernel versions
0 string \xb8\xc0\x07\x8e\xd8\xb8\x00\x90 Linux
>497 leshort 0 x86 boot sector
>>514 belong 0x8e of a kernel from the dawn of time!
>>514 belong 0x908ed8b4 version 0.99-1.1.42
>>514 belong 0x908ed8b8 for memtest86
>497 leshort !0 x86 kernel
>>504 leshort >0 RAMdisksize=%u KB
>>502 leshort >0 swap=0x%X
>>508 leshort >0 root=0x%X
>>>498 leshort 1 \b-ro
>>>498 leshort 0 \b-rw
>>506 leshort 0xFFFF vga=normal
>>506 leshort 0xFFFE vga=extended
>>506 leshort 0xFFFD vga=ask
>>506 leshort >0 vga=%d
>>514 belong 0x908ed881 version 1.1.43-1.1.45
>>514 belong 0x15b281cd
>>>0xa8e belong 0x55AA5a5a version 1.1.46-1.2.13,1.3.0
>>>0xa99 belong 0x55AA5a5a version 1.3.1,2
>>>0xaa3 belong 0x55AA5a5a version 1.3.3-1.3.30
>>>0xaa6 belong 0x55AA5a5a version 1.3.31-1.3.41
>>>0xb2b belong 0x55AA5a5a version 1.3.42-1.3.45
>>>0xaf7 belong 0x55AA5a5a version 1.3.46-1.3.72
>>514 string HdrS
>>>518 leshort >0x1FF
>>>>529 byte 0 \b, zImage
>>>>529 byte 1 \b, bzImage
>>>>(526.s+0x200) string >\0 \b, version %s
# Linux boot sector thefts.
0 belong 0xb8c0078e Linux
>0x1e6 belong 0x454c4b53 ELKS Kernel
>0x1e6 belong !0x454c4b53 style boot sector
############################################################################
# Linux 8086 executable
0 lelong&0xFF0000FF 0xC30000E9 Linux-Dev86 executable, headerless
>5 string .
>>4 string >\0 \b, libc version %s
0 lelong&0xFF00FFFF 0x4000301 Linux-8086 executable
>2 byte&0x01 !0 \b, unmapped zero page
>2 byte&0x20 0 \b, impure
>2 byte&0x20 !0
>>2 byte&0x10 !0 \b, A_EXEC
>2 byte&0x02 !0 \b, A_PAL
>2 byte&0x04 !0 \b, A_NSYM
>2 byte&0x08 !0 \b, A_STAND
>2 byte&0x40 !0 \b, A_PURE
>2 byte&0x80 !0 \b, A_TOVLY
>28 long !0 \b, not stripped
>37 string .
>>36 string >\0 \b, libc version %s
# 0 lelong&0xFF00FFFF 0x10000301 ld86 I80386 executable
# 0 lelong&0xFF00FFFF 0xB000301 ld86 M68K executable
# 0 lelong&0xFF00FFFF 0xC000301 ld86 NS16K executable
# 0 lelong&0xFF00FFFF 0x17000301 ld86 SPARC executable
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