blob: 14883ae387bb95c7648139d715b067f8fad623a6 [file] [log] [blame]
# Magic numbers for Linux kernels and Debian Archive files Used by
# util/arch-funcs; excerpted from the sources from the "file" sources
# version 5.45-3+b1
#
# Linux kernel boot images, from Albert Cahalan <acahalan@cs.uml.edu>
# and others such as Axel Kohlmeyer <akohlmey@rincewind.chemie.uni-ulm.de>
# and Nicolas Lichtmaier <nick@debian.org>
# All known start with: b8 c0 07 8e d8 b8 00 90 8e c0 b9 00 01 29 f6 29
# Linux kernel boot images (i386 arch) (Wolfram Kleff)
# URL: https://www.kernel.org/doc/Documentation/x86/boot.txt
514 string HdrS Linux kernel
!:strength + 55
# often no extension like in linux, vmlinuz, bzimage or memdisk but sometimes
# Acronis Recovery kernel64.dat and Plop Boot Manager plpbtrom.bin
# DamnSmallLinux 1.5 damnsmll.lnx
!:ext /dat/bin/lnx
>510 leshort 0xAA55 x86 boot executable
>>518 leshort >0x1ff
>>>529 byte 0 zImage,
>>>529 byte 1 bzImage,
>>>526 lelong >0
>>>>(526.s+0x200) string >\0 version %s,
>>498 leshort 1 RO-rootFS,
>>498 leshort 0 RW-rootFS,
>>508 leshort >0 root_dev %#X,
>>502 leshort >0 swap_dev %#X,
>>504 leshort >0 RAMdisksize %u KB,
>>506 leshort 0xFFFF Normal VGA
>>506 leshort 0xFFFE Extended VGA
>>506 leshort 0xFFFD Prompt for Videomode
>>506 leshort >0 Video mode %d
# 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
# System.map files - Nicolas Lichtmaier <nick@debian.org>
8 search/1 \ A\ _text Linux kernel symbol map text
# LSM entries - Nicolas Lichtmaier <nick@debian.org>
0 search/1 Begin3 Linux Software Map entry text
0 search/1 Begin4 Linux Software Map entry text (new format)
# From Matt Zimmerman, enhanced for v3 by Matthew Palmer
0 belong 0x4f4f4f4d User-mode Linux COW file
>4 belong <3 \b, version %d
>>8 string >\0 \b, backing file %s
>4 belong >2 \b, version %d
>>32 string >\0 \b, backing file %s
############################################################################
# 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=%#X
>>508 leshort >0 root=%#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 S390 kernel image
# Created by: Jan Kaluza <jkaluza@redhat.com>
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
>0x00010000 search/b/4096 \x00\x0a\x00\x00\x8b\xad\xcc\xcc
# 64bit
>>&0 string \xc1\x00\xef\xe3\xf0\x68\x00\x00 Z10 64bit kernel
>>&0 string \xc1\x00\xef\xc3\x00\x00\x00\x00 Z9-109 64bit kernel
>>&0 string \xc0\x00\x20\x00\x00\x00\x00\x00 Z990 64bit kernel
>>&0 string \x00\x00\x00\x00\x00\x00\x00\x00 Z900 64bit kernel
# 32bit
>>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z10 32bit kernel
>>&0 string \x81\x00\xc8\x80\x00\x00\x00\x00 Z9-109 32bit kernel
>>&0 string \x80\x00\x20\x00\x00\x00\x00\x00 Z990 32bit kernel
>>&0 string \x80\x00\x00\x00\x00\x00\x00\x00 Z900 32bit kernel
############################################################################
# Linux ARM compressed kernel image
# From: Kevin Cernekee <cernekee@gmail.com>
# Update: Joerg Jenderek
0x24 lelong 0x016f2818 Linux kernel ARM boot executable zImage
# There are three possible situations: LE, BE with LE bootloader and pure BE.
# In order to aid telling these apart a new endian flag was added. In order
# to support kernels before the flag and BE with LE bootloader was added we'll
# do a negative check against the BE variant of the flag when we see a LE magic.
>0x30 belong !0x04030201 (little-endian)
# raspian "kernel7.img", Vu+ Ultimo4K "kernel_auto.bin"
!:ext img/bin
>0x30 belong 0x04030201 (big-endian)
0x24 belong 0x016f2818 Linux kernel ARM boot executable zImage (big-endian)
############################################################################
# Linux AARCH64 kernel image
0x38 lelong 0x644d5241 Linux kernel ARM64 boot executable Image
>0x18 lelong ^1 \b, little-endian
>0x18 lelong &1 \b, big-endian
>0x18 lelong &2 \b, 4K pages
>0x18 lelong &4 \b, 16K pages
>0x18 lelong &6 \b, 32K pages
#
# Debian package; it's in the portable archive format, and needs to go
# before the entry for regular portable archives, as it's recognized as
# a portable archive whose first member has a name beginning with
# "debian".
#
# Update: Joerg Jenderek
# URL: https://en.wikipedia.org/wiki/Deb_(file_format)
0 string =!<arch>\ndebian
# https://manpages.debian.org/testing/dpkg/dpkg-split.1.en.html
>14 string -split part of multipart Debian package
!:mime application/vnd.debian.binary-package
# udeb is used for stripped down deb file
!:ext deb/udeb
>14 string -binary Debian binary package
!:mime application/vnd.debian.binary-package
# For ipk packager see also https://en.wikipedia.org/wiki/Opkg
!:ext deb/udeb/ipk
# This should not happen
>14 default x Unknown Debian package
# NL terminated version; for most Debian cases this is 2.0 or 2.1 for split
>68 string >\0 (format %s)
#>68 string !2.0\n
#>>68 string x (format %.3s)
>68 string =2.0\n
# 2nd archive name=control archive name like control.tar.gz or control.tar.xz
# or control.tar.zst
>>72 string >\0 \b, with %.15s
# look for 3rd archive name=data archive name like data.tar.{gz,xz,bz2,lzma}
>>0 search/0x93e4f data.tar. \b, data compression
# the above line only works if FILE_BYTES_MAX in ../../src/file.h is raised
# for example like libreoffice-dev-doc_1%3a5.2.7-1+rpi1+deb9u3_all.deb
>>>&0 string x %.2s
# skip space (0x20 BSD) and slash (0x2f System V) character marking end of name
>>>&2 ubyte !0x20
>>>>&-1 ubyte !0x2f
# display 3rd character of file name extension like 2 of bz2 or m of lzma
>>>>>&-1 ubyte x \b%c
>>>>>>&0 ubyte !0x20
>>>>>>>&-1 ubyte !0x2f
# display 4th character of file name extension like a of lzma
>>>>>>>>&-1 ubyte x \b%c
# split debian package case
>68 string =2.1\n
# dpkg-1.18.25/dpkg-split/info.c
# NL terminated ASCII package name like ckermit
>>&0 string x \b, %s
# NL terminated package version like 302-5.3
>>>&1 string x %s
# NL terminated MD5 checksum
>>>>&1 string x \b, MD5 %s
# NL terminated original package length
>>>>>&1 string x \b, unsplitted size %s
# NL terminated part length
>>>>>>&1 string x \b, part length %s
# NL terminated package part like n/m
>>>>>>>&1 string x \b, part %s
# NL terminated package architecture like armhf since dpkg 1.16.1 or later
>>>>>>>>&1 string x \b, %s