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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:00:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:00:10 +0000 |
commit | 1ebbd027274333758fc3517685d81847601db676 (patch) | |
tree | 5259d053d3e3066e0745150805fa4b20184eef98 /magic/Magdir/compress | |
parent | Initial commit. (diff) | |
download | file-1ebbd027274333758fc3517685d81847601db676.tar.xz file-1ebbd027274333758fc3517685d81847601db676.zip |
Adding upstream version 1:5.45.upstream/1%5.45upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | magic/Magdir/compress | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/magic/Magdir/compress b/magic/Magdir/compress new file mode 100644 index 0000000..c3f93fa --- /dev/null +++ b/magic/Magdir/compress @@ -0,0 +1,461 @@ +#------------------------------------------------------------------------------ +# $File: compress,v 1.91 2023/06/16 19:37:47 christos Exp $ +# compress: file(1) magic for pure-compression formats (no archives) +# +# compress, gzip, pack, compact, huf, squeeze, crunch, freeze, yabba, etc. +# +# Formats for various forms of compressed data +# Formats for "compress" proper have been moved into "compress.c", +# because it tries to uncompress it to figure out what's inside. + +# standard unix compress +0 string \037\235 compress'd data +!:mime application/x-compress +!:apple LZIVZIVU +!:ext Z +>2 byte&0x80 >0 block compressed +>2 byte&0x1f x %d bits + +# gzip (GNU zip, not to be confused with Info-ZIP or PKWARE zip archiver) +# URL: https://en.wikipedia.org/wiki/Gzip +# Reference: https://tools.ietf.org/html/rfc1952 +# Update: Joerg Jenderek, Apr 2019, Dec 2022 +# Edited by Chris Chittleborough <cchittleborough@yahoo.com.au>, March 2002 +# * Original filename is only at offset 10 if "extra field" absent +# * Produce shorter output - notably, only report compression methods +# other than 8 ("deflate", the only method defined in RFC 1952). +# Note: find defs -iname '*.trid.xml' -exec grep -q '<Bytes>1F8B08' {} \; -ls +# TODO: +# FBR Blueberry FlashBack screen Record https://www.flashbackrecorder.com/ +# KPR KOffice/Calligra KPresenter application/x-kpresenter +# KPT KOffice/Calligra KPresenter template? application/x-kpresenter +# SAV Diggles Saved Game File http://www.innonics.com +# SAV FarCry (demo) saved game http://www.farcry-thegame.com +# DAT ZOAGZIP game data format http://en.wikipedia.org/wiki/SD_Gundam_Capsule_Fighter +0 string \037\213 +# to display gzip compressed (strength=100=2*50) before other (strength=50)? +#!:strength * 2 +# no FNAME and FCOMMENT bit implies no file name/comment. That means only binary +>3 byte&0x18 =0 +# For binary gzipped no ASCII text should occur +# mcd-monu-cad.trid.xml +>>10 string MCD Monu-Cad Drawing, Component or Font +#>>36 string Created\ with\ MONU-CAD +#!:mime application/octet-stream +# http://fileformats.archiveteam.org/wiki/Monu-CAD +# http://www.monucad.com/downloads/FullDemo-2005.EXE +# /HANDS96.MCC Component +# /DEMO_DD01.MCD Drawing +# /MCALF020.FNT Font +!:ext mcc/mcd/fnt +# http://www.generalcadd.com +>>10 string GXD General CADD, Drawing or Component +#!:mime application/octet-stream +# /gxc/BUILDINGEDGE.gxc Component +# /gxd/HOCKETT-STPAUL-WRHSE.gxd Drawing +# /gxd/POWERLAND-MILL-ADD-11.gxd Drawing v9.1.06 +!:ext gxc/gxd +#>>>13 ubyte 0 \b, version 0 +>>>13 string 09 \b, version 9 +# other gzipped binary like gzipped tar, VirtualBox extension package,... +>>10 default x gzip compressed data +!:mime application/gzip +>>>0 use gzip-info +# size of the original (uncompressed) input data modulo 2^32 +# TODO: check for GXD MCD cad the reported size +>>>-4 ulelong x \b, original size modulo 2^32 %u +# gzipped TAR or VirtualBox extension package +#!:mime application/x-compressed-tar +#!:mime application/x-virtualbox-vbox-extpack +# https://www.w3.org/TR/SVG/mimereg.html +#!:mime image/svg+xml-compressed +# zlib.3.gz +# microcode-20180312.tgz +# tpz same as tgz +# lua-md5_1.2-1_i386_i486.ipk https://en.wikipedia.org/wiki/Opkg +# Oracle_VM_VirtualBox_Extension_Pack-5.0.12-104815.vbox-extpack +# trees.blend http://fileformats.archiveteam.org/wiki/BLEND +# 2020-07-19-Note-16-24.xoj https://xournal.sourceforge.net/manual.html +# MYgnucash-gz.gnucash https://wiki.gnucash.org/wiki/GnuCash_XML_format +# text-rotate.dia https://en.wikipedia.org/wiki/Dia_(software) +# MYrdata.RData https://en.wikipedia.org/wiki/R_(programming_language) +!:ext gz/tgz/tpz/ipk/vbox-extpack/svgz/blend/dia/gnucash/rdata/xoj +# FNAME/FCOMMENT bit implies file name/comment as iso-8859-1 text +>3 byte&0x18 >0 gzip compressed data +!:mime application/gzip +# gzipped tar, gzipped Abiword document +#!:mime application/x-compressed-tar +#!:mime application/x-abiword-compressed +#!:mime image/image/svg+xml-compressed +# kleopatra_splashscreen.svgz gzipped .svg +# RSI-Mega-Demo_Disk1.adz gzipped .adf http://fileformats.archiveteam.org/wiki/ADF_(Amiga) +# PostbankTest.kmy gzipped XML https://docs.kde.org/stable5/en/kmymoney/kmymoney/details.formats.compressed.html +# Logo.xcfgz gzipped .xcf http://fileformats.archiveteam.org/wiki/XCF +!:ext gz/tgz/tpz/zabw/svgz/adz/kmy/xcfgz +>>0 use gzip-info +# size of the original (uncompressed) input data modulo 2^32 +>>-4 ulelong x \b, original size modulo 2^32 %u +# display information of gzip compressed files +0 name gzip-info +#>2 byte x THIS iS GZIP +>2 byte <8 \b, reserved method +>2 byte >8 \b, unknown method +>3 byte &0x01 \b, ASCII +>3 byte &0x02 \b, has CRC +>3 byte &0x04 \b, extra field +>3 byte&0xC =0x08 +>>10 string x \b, was "%s" +>3 byte &0x10 \b, has comment +>3 byte &0x20 \b, encrypted +>4 ledate >0 \b, last modified: %s +>8 byte 2 \b, max compression +>8 byte 4 \b, max speed +>9 byte =0x00 \b, from FAT filesystem (MS-DOS, OS/2, NT) +>9 byte =0x01 \b, from Amiga +>9 byte =0x02 \b, from VMS +>9 byte =0x03 \b, from Unix +>9 byte =0x04 \b, from VM/CMS +>9 byte =0x05 \b, from Atari +>9 byte =0x06 \b, from HPFS filesystem (OS/2, NT) +>9 byte =0x07 \b, from MacOS +>9 byte =0x08 \b, from Z-System +>9 byte =0x09 \b, from CP/M +>9 byte =0x0A \b, from TOPS/20 +>9 byte =0x0B \b, from NTFS filesystem (NT) +>9 byte =0x0C \b, from QDOS +>9 byte =0x0D \b, from Acorn RISCOS +# size of the original (uncompressed) input data modulo 2^32 +#>-4 ulelong x \b, original size modulo 2^32 %u +#ERROR: line 114: non zero offset 1048572 at level 1 + +# packed data, Huffman (minimum redundancy) codes on a byte-by-byte basis +0 string \037\036 packed data +!:mime application/octet-stream +!:ext z +>2 belong >1 \b, %d characters originally +>2 belong =1 \b, %d character originally +# +# This magic number is byte-order-independent. +0 short 0x1f1f old packed data +!:mime application/octet-stream + +# XXX - why *two* entries for "compacted data", one of which is +# byte-order independent, and one of which is byte-order dependent? +# +0 short 0x1fff compacted data +!:mime application/octet-stream +# This string is valid for SunOS (BE) and a matching "short" is listed +# in the Ultrix (LE) magic file. +0 string \377\037 compacted data +!:mime application/octet-stream +0 short 0145405 huf output +!:mime application/octet-stream + +# bzip2 +0 string BZh bzip2 compressed data +!:mime application/x-bzip2 +!:ext bz2 +>3 byte >47 \b, block size = %c00k + +# bzip a block-sorting file compressor +# by Julian Seward <sewardj@cs.man.ac.uk> and others +0 string BZ0 bzip compressed data +!:mime application/x-bzip +>3 byte >47 \b, block size = %c00k + +# lzip +0 string LZIP lzip compressed data +!:mime application/x-lzip +!:ext lz +>4 byte x \b, version: %d + +# squeeze and crunch +# Michael Haardt <michael@cantor.informatik.rwth-aachen.de> +0 beshort 0x76FF squeezed data, +>4 string x original name %s +0 beshort 0x76FE crunched data, +>2 string x original name %s +0 beshort 0x76FD LZH compressed data, +>2 string x original name %s + +# Freeze +0 string \037\237 frozen file 2.1 +0 string \037\236 frozen file 1.0 (or gzip 0.5) + +# SCO compress -H (LZH) +0 string \037\240 SCO compress -H (LZH) data + +# European GSM 06.10 is a provisional standard for full-rate speech +# transcoding, prI-ETS 300 036, which uses RPE/LTP (residual pulse +# excitation/long term prediction) coding at 13 kbit/s. +# +# There's only a magic nibble (4 bits); that nibble repeats every 33 +# bytes. This isn't suited for use, but maybe we can use it someday. +# +# This will cause very short GSM files to be declared as data and +# mismatches to be declared as data too! +#0 byte&0xF0 0xd0 data +#>33 byte&0xF0 0xd0 +#>66 byte&0xF0 0xd0 +#>99 byte&0xF0 0xd0 +#>132 byte&0xF0 0xd0 GSM 06.10 compressed audio + +# lzop from <markus.oberhumer@jk.uni-linz.ac.at> +0 string \x89\x4c\x5a\x4f\x00\x0d\x0a\x1a\x0a lzop compressed data +!:ext lzo +>9 beshort <0x0940 +>>9 byte&0xf0 =0x00 - version 0. +>>9 beshort&0x0fff x \b%03x, +>>13 byte 1 LZO1X-1, +>>13 byte 2 LZO1X-1(15), +>>13 byte 3 LZO1X-999, +## >>22 bedate >0 last modified: %s, +>>14 byte =0x00 os: MS-DOS +>>14 byte =0x01 os: Amiga +>>14 byte =0x02 os: VMS +>>14 byte =0x03 os: Unix +>>14 byte =0x05 os: Atari +>>14 byte =0x06 os: OS/2 +>>14 byte =0x07 os: MacOS +>>14 byte =0x0A os: Tops/20 +>>14 byte =0x0B os: WinNT +>>14 byte =0x0E os: Win32 +>9 beshort >0x0939 +>>9 byte&0xf0 =0x00 - version 0. +>>9 byte&0xf0 =0x10 - version 1. +>>9 byte&0xf0 =0x20 - version 2. +>>9 beshort&0x0fff x \b%03x, +>>15 byte 1 LZO1X-1, +>>15 byte 2 LZO1X-1(15), +>>15 byte 3 LZO1X-999, +## >>25 bedate >0 last modified: %s, +>>17 byte =0x00 os: MS-DOS +>>17 byte =0x01 os: Amiga +>>17 byte =0x02 os: VMS +>>17 byte =0x03 os: Unix +>>17 byte =0x05 os: Atari +>>17 byte =0x06 os: OS/2 +>>17 byte =0x07 os: MacOS +>>17 byte =0x0A os: Tops/20 +>>17 byte =0x0B os: WinNT +>>17 byte =0x0E os: Win32 + +# 4.3BSD-Quasijarus Strong Compression +# https://minnie.tuhs.org/Quasijarus/compress.html +0 string \037\241 Quasijarus strong compressed data + +# From: Cory Dikkers <cdikkers@swbell.net> +0 string XPKF Amiga xpkf.library compressed data +0 string PP11 Power Packer 1.1 compressed data +0 string PP20 Power Packer 2.0 compressed data, +>4 belong 0x09090909 fast compression +>4 belong 0x090A0A0A mediocre compression +>4 belong 0x090A0B0B good compression +>4 belong 0x090A0C0C very good compression +>4 belong 0x090A0C0D best compression + +# 7-zip archiver, from Thomas Klausner (wiz@danbala.tuwien.ac.at) +# https://www.7-zip.org or DOC/7zFormat.txt +# +0 string 7z\274\257\047\034 7-zip archive data, +>6 byte x version %d +>7 byte x \b.%d +!:mime application/x-7z-compressed +!:ext 7z/cb7 + +0 name lzma LZMA compressed data, +!:mime application/x-lzma +!:ext lzma +>5 lequad =0xffffffffffffffff streamed +>5 lequad !0xffffffffffffffff non-streamed, size %lld + +# Type: LZMA +0 lelong&0xffffff =0x5d +>12 leshort 0xff +>>0 use lzma +>12 leshort 0 +>>0 use lzma + +# http://tukaani.org/xz/xz-file-format.txt +0 ustring \xFD7zXZ\x00 XZ compressed data, checksum +!:strength * 2 +!:mime application/x-xz +!:ext xz +>7 byte&0xf 0x0 NONE +>7 byte&0xf 0x1 CRC32 +>7 byte&0xf 0x4 CRC64 +>7 byte&0xf 0xa SHA-256 + +# https://github.com/ckolivas/lrzip/blob/master/doc/magic.header.txt +0 string LRZI LRZIP compressed data +!:mime application/x-lrzip +>4 byte x - version %d +>5 byte x \b.%d +>22 byte 1 \b, encrypted + +# https://fastcompression.blogspot.fi/2013/04/lz4-streaming-format-final.html +0 lelong 0x184d2204 LZ4 compressed data (v1.4+) +!:mime application/x-lz4 +!:ext lz4 +# Added by osm0sis@xda-developers.com +0 lelong 0x184c2103 LZ4 compressed data (v1.0-v1.3) +!:mime application/x-lz4 +0 lelong 0x184c2102 LZ4 compressed data (v0.1-v0.9) +!:mime application/x-lz4 + +# Zstandard/LZ4 skippable frames +# https://github.com/facebook/zstd/blob/dev/zstd_compression_format.md +0 lelong&0xFFFFFFF0 0x184D2A50 +>(4.l+8) indirect x + +# Zstandard Dictionary ID subroutine +0 name zstd-dictionary-id +# Single Segment = True +>0 byte &0x20 \b, Dictionary ID: +>>0 byte&0x03 0 None +>>0 byte&0x03 1 +>>>1 byte x %u +>>0 byte&0x03 2 +>>>1 leshort x %u +>>0 byte&0x03 3 +>>>1 lelong x %u +# Single Segment = False +>0 byte ^0x20 \b, Dictionary ID: +>>0 byte&0x03 0 None +>>0 byte&0x03 1 +>>>2 byte x %u +>>0 byte&0x03 2 +>>>2 leshort x %u +>>0 byte&0x03 3 +>>>2 lelong x %u + +# Zstandard compressed data +# https://github.com/facebook/zstd/blob/dev/zstd_compression_format.md +0 lelong 0xFD2FB522 Zstandard compressed data (v0.2) +!:mime application/zstd +!:ext zst +0 lelong 0xFD2FB523 Zstandard compressed data (v0.3) +!:mime application/zstd +!:ext zst +0 lelong 0xFD2FB524 Zstandard compressed data (v0.4) +!:mime application/zstd +!:ext zst +0 lelong 0xFD2FB525 Zstandard compressed data (v0.5) +!:mime application/zstd +!:ext zst +0 lelong 0xFD2FB526 Zstandard compressed data (v0.6) +!:mime application/zstd +!:ext zst +0 lelong 0xFD2FB527 Zstandard compressed data (v0.7) +!:mime application/zstd +!:ext zst +>4 use zstd-dictionary-id +0 lelong 0xFD2FB528 Zstandard compressed data (v0.8+) +!:mime application/zstd +!:ext zst +>4 use zstd-dictionary-id + +# https://github.com/facebook/zstd/blob/dev/zstd_compression_format.md +0 lelong 0xEC30A437 Zstandard dictionary +!:mime application/x-std-dictionary +>4 lelong x (ID %u) + +# AFX compressed files (Wolfram Kleff) +2 string -afx- AFX compressed file data + +# Supplementary magic data for the file(1) command to support +# rzip(1). The format is described in magic(5). +# +# Copyright (C) 2003 by Andrew Tridgell. You may do whatever you want with +# this file. +# +0 string RZIP rzip compressed data +>4 byte x - version %d +>5 byte x \b.%d +>6 belong x (%d bytes) + +0 string ArC\x01 FreeArc archive <http://freearc.org> + +# Type: DACT compressed files +0 long 0x444354C3 DACT compressed data +>4 byte >-1 (version %i. +>5 byte >-1 %i. +>6 byte >-1 %i) +>7 long >0 , original size: %i bytes +>15 long >30 , block size: %i bytes + +# Valve Pack (VPK) files +0 lelong 0x55aa1234 Valve Pak file +>0x4 lelong x \b, version %u +>0x8 lelong x \b, %u entries + +# Snappy framing format +# https://code.google.com/p/snappy/source/browse/trunk/framing_format.txt +0 string \377\006\0\0sNaPpY snappy framed data +!:mime application/x-snappy-framed + +# qpress, https://www.quicklz.com/ +0 string qpress10 qpress compressed data +!:mime application/x-qpress + +# Zlib https://www.ietf.org/rfc/rfc6713.txt +0 string/b x +>0 beshort%31 =0 +>>0 byte&0xf =8 +>>>0 byte&0x80 =0 zlib compressed data +!:mime application/zlib + +# BWC compression +0 string BWC +>3 byte 0 BWC compressed data + +# UCL compression +0 bequad 0x00e955434cff011a UCL compressed data + +# Softlib archive +0 string SLIB Softlib archive +>4 leshort x \b, version %d +>6 leshort x (contains %d files) + +# URL: https://github.com/lzfse/lzfse/blob/master/src/lzfse_internal.h#L276 +# From: Eric Hall <eric.hall@darkart.com> +0 string bvx- lzfse encoded, no compression +0 string bvx1 lzfse compressed, uncompressed tables +0 string bvx2 lzfse compressed, compressed tables +0 string bvxn lzfse encoded, lzvn compressed + +# pcxLib.exe compression program +# http://www.shikadi.net/moddingwiki/PCX_Library +0 string/b pcxLib +>0x0A string/b Copyright\020(c)\020Genus\020Microprogramming,\020Inc. pcxLib compressed + +# https://support-docs.illumina.com/SW/ORA_Format_Specification/Content/SW/ORA/ORAFormatSpecification.htm +0 uleshort 0x7c49 +>2 lelong 0x80 ORA FASTQ compressed file +>>6 ulelong x \b, DNA size %u +>>10 ulelong x \b, read names size %u +>>14 ulelong x \b, quality buffer 1 size %u +>>18 ulelong x \b, quality buffer 2 size %u +>>22 ulelong x \b, sequence buffer size %u +>>26 ulelong x \b, N-position buffer size %u +>>30 ulelong x \b, crypto buffer size %u +>>34 ulelong x \b, misc buffer 1 size %u +>>38 ulelong x \b, misc buffer 2 size %u +>>42 ulelong x \b, flags %#x +>>46 lelong x \b, read size %d +>>50 lelong x \b, number of reads %d +>>54 leshort x \b, version %d + +# https://github.com/kspalaiologos/bzip3/blob/master/doc/file_format.md +0 string/b BZ3v1 bzip3 compressed data +>5 ulelong x \b, blocksize %u + + +# https://support-docs.illumina.com/SW/ORA_Format_Specification/Content/\ +# SW/ORA/ORAFormatSpecification.htm +# From Guillaume Rizk +0 short =0x7C49 DRAGEN ORA file, +>-261 short =0x7C49 with metadata: +>-125 u8 x NB reads: %llu, +>-109 u8 x NB bases: %llu. +>-219 u4&0x02 2 File contains interleaved paired reads |