# $OpenBSD: linux,v 1.6 2009/04/24 18:54:34 chl Exp $ #------------------------------------------------------------------------------ # linux: file(1) magic for Linux files # # Values for Linux/i386 binaries, from Daniel Quinlan # 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 # # 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 # 216 lelong 0421 Linux/i386 core file # >220 string >\0 of '%s' # >200 lelong >0 (signal %d) # # LILO boot/chain loaders, from Daniel Quinlan # this can be overridden by the DOS executable (COM) entry #2 string LILO Linux/i386 LILO boot/chain loader # # Linux swap file, from Daniel Quinlan 4086 string SWAP-SPACE Linux/i386 swap file # From: Jeff Bailey # Linux swap file with swsusp1 image, from Jeff Bailey 4076 string SWAPSPACE2S1SUSPEND Linux/i386 swap file (new style) with SWSUSP1 image # according to man page of mkswap (8) March 1999 4086 string SWAPSPACE2 Linux/i386 swap file (new style) >0x400 long x %d (4K pages) >0x404 long x size %d pages >>4086 string SWAPSPACE2 >>>1052 string >\0 Label %s # Linux kernel boot images, from Albert Cahalan # and others such as Axel Kohlmeyer # and Nicolás Lichtmaier # 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) 514 string HdrS Linux kernel >510 leshort 0xAA55 x86 boot executable >>518 leshort >0x1ff >>529 byte 0 zImage, >>>529 byte 1 bzImage, >>>(526.s+0x200) string >\0 version %s, >>498 leshort 1 RO-rootFS, >>498 leshort 0 RW-rootFS, >>508 leshort >0 root_dev 0x%X, >>502 leshort >0 swap_dev 0x%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 - Nicolás Lichtmaier 8 search/1 \ A\ _text Linux kernel symbol map text # LSM entries - Nicolás Lichtmaier 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=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 # 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 # SYSLINUX boot logo files (from 'ppmtolss16' sources) # http://syslinux.zytor.com/ # 0 lelong =0x1413f33d SYSLINUX' LSS16 image data >4 leshort x \b, width %d >6 leshort x \b, height %d 0 string OOOM User-Mode-Linux's Copy-On-Write disk image >4 belong x version %d # SE Linux policy database # From: Mike Frysinger 0 lelong 0xf97cff8c SE Linux policy >16 lelong x v%d >20 lelong 1 MLS >24 lelong x %d symbols >28 lelong x %d ocons # Linux Logical Volume Manager (LVM) # Emmanuel VARAGNAT # # System ID, UUID and volume group name are 128 bytes long # but they should never be full and initialized with zeros... # # LVM1 # 0x0 string HM\001 LVM1 (Linux Logical Volume Manager), version 1 >0x12c string >\0 , System ID: %s 0x0 string HM\002 LVM1 (Linux Logical Volume Manager), version 2 >0x12c string >\0 , System ID: %s # LVM2 # # It seems that the label header can be in one the four first sector # of the disk... (from _find_labeller in lib/label/label.c of LVM2) # # 0x200 seems to be the common case 0x218 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) # read the offset to add to the start of the header, and the header # start in 0x200 >(0x214.l+0x200) string >\0 , UUID: %s 0x018 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) >(0x014.l) string >\0 , UUID: %s 0x418 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) >(0x414.l+0x400) string >\0 , UUID: %s 0x618 string LVM2\ 001 LVM2 (Linux Logical Volume Manager) >(0x614.l+0x600) string >\0 , UUID: %s # SE Linux policy database 0 lelong 0xf97cff8c SE Linux policy >16 lelong x v%d >20 lelong 1 MLS >24 lelong x %d symbols >28 lelong x %d ocons # LUKS: Linux Unified Key Setup, On-Disk Format, http://luks.endorphin.org/spec # Anthon van der Neut (anthon@mnt.org) 0 string LUKS\xba\xbe LUKS encrypted file, >6 beshort x ver %d >8 string x [%s, >40 string x %s, >72 string x %s] >168 string x UUID: %s 0 string #!/bin/sh Shellscript