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-rw-r--r--contrib/file/magic/Magdir/compress96
1 files changed, 77 insertions, 19 deletions
diff --git a/contrib/file/magic/Magdir/compress b/contrib/file/magic/Magdir/compress
index a364a88039e7..c3f93fa3bed1 100644
--- a/contrib/file/magic/Magdir/compress
+++ b/contrib/file/magic/Magdir/compress
@@ -1,5 +1,5 @@
#------------------------------------------------------------------------------
-# $File: compress,v 1.79 2020/05/30 23:53:04 christos Exp $
+# $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.
@@ -12,13 +12,14 @@
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
+# 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
@@ -61,20 +62,24 @@
!:mime application/gzip
>>>0 use gzip-info
# size of the original (uncompressed) input data modulo 2^32
->>-0 offset >48
+# TODO: check for GXD MCD cad the reported size
>>>-4 ulelong x \b, original size modulo 2^32 %u
->>-0 offset <48 \b, truncated
# 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/image/svg+xml-compressed
+#!: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
-!:ext gz/tgz/tpz/ipk/vbox-extpack/svgz
+# 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
@@ -83,12 +88,13 @@
#!:mime application/x-abiword-compressed
#!:mime image/image/svg+xml-compressed
# kleopatra_splashscreen.svgz gzipped .svg
-!:ext gz/tgz/tpz/zabw/svgz
+# 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
->>-0 offset >48
->>>-4 ulelong x \b, original size modulo 2^32 %u
->>-0 offset <48 \b, truncated
+>>-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
@@ -125,6 +131,7 @@
# 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
#
@@ -147,6 +154,7 @@
# 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
@@ -158,6 +166,7 @@
# lzip
0 string LZIP lzip compressed data
!:mime application/x-lzip
+!:ext lz
>4 byte x \b, version: %d
# squeeze and crunch
@@ -193,6 +202,7 @@
# 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,
@@ -253,30 +263,40 @@
!: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 LZMA compressed data,
-!:mime application/x-lzma
->>5 lequad =0xffffffffffffffff streamed
->>5 lequad !0xffffffffffffffff non-streamed, size %lld
->12 leshort 0 LZMA compressed data,
->>5 lequad =0xffffffffffffffff streamed
->>5 lequad !0xffffffffffffffff non-streamed, size %lld
+>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
+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
-!:mime application/x-lrzip
+>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
@@ -313,19 +333,26 @@
# 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
@@ -401,3 +428,34 @@
# 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