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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:52:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:52:51 +0000
commit71507ca5d2410b11889ca963fafcd1bcad5044c3 (patch)
tree17e6d07243d49e29e4b75887e0d07f24ec2b66e8 /magic/Magdir/zip
parentInitial commit. (diff)
downloadfile-71507ca5d2410b11889ca963fafcd1bcad5044c3.tar.xz
file-71507ca5d2410b11889ca963fafcd1bcad5044c3.zip
Adding upstream version 1:5.44.upstream/1%5.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
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1 files changed, 126 insertions, 0 deletions
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+#------------------------------------------------------------------------------
+# $File: zip,v 1.8 2021/10/24 15:53:56 christos Exp $
+# zip: file(1) magic for zip files; this is not use
+# Note the version of magic in archive is currently stronger, this is
+# just an example until negative offsets are supported better
+# Note: All fields unless otherwise noted are unsigned!
+
+# Zip Central Directory record
+0 name zipcd
+>0 string PK\001\002 Zip archive data
+!:mime application/zip
+# no "made by" in local file header with PK\3\4 magic
+>>4 leshort x \b, made by
+>>4 use zipversion
+>>4 use ziphost
+# inside ./archive 1.151 called "at least" zipversion "to extract"
+>>6 leshort x \b, extract using at least
+>>6 use zipversion
+# This is DOS date like: ledate 21:00:48 19 Dec 2001 != DOS 00:00 1 Jan 2010 ~ 0000213C
+>>12 ulelong x \b, last modified
+>>14 lemsdosdate x \b, last modified %s
+>>12 lemsdostime x %s
+# uncompressed size of 1st entry; FFffFFff means real value stored in ZIP64 record
+>>24 ulelong !0xFFffFFff \b, uncompressed size %u
+# inside ./archive 1.151 called "compression method="zipcompression
+>>10 leshort x \b, method=
+>>10 use zipcompression
+
+# URL: https://en.wikipedia.org/wiki/Zip_(file_format)
+# reference: https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT (Version: 6.3.9)
+# Zip known compressions
+0 name zipcompression
+>0 leshort 0 \bstore
+>0 leshort 1 \bShrinking
+>0 leshort 6 \bImploding
+>0 leshort 7 \bTokenizing
+>0 leshort 8 \bdeflate
+>0 leshort 9 \bdeflate64
+>0 leshort 10 \bLibrary imploding
+#>0 leshort 11 \bReserved by PKWARE
+>0 leshort 12 \bbzip2
+#>0 leshort 13 \bReserved by PKWARE
+>0 leshort 14 \blzma
+#>0 leshort 15 \bReserved by PKWARE
+>0 leshort 16 \bCMPSC (IBM z/OS)
+#>0 leshort 17 \bReserved by PKWARE
+>0 leshort 18 \bIBM TERSE
+>0 leshort 19 \bIBM LZ77 (z/Architecture)
+>0 leshort 20 \bZstd (deprecated)
+>0 leshort 93 \bZstd
+>0 leshort 94 \bMP3
+>0 leshort 95 \bxz
+>0 leshort 96 \bJpeg
+>0 leshort 97 \bWavPack
+>0 leshort 98 \bPPMd
+>0 leshort 99 \bAES Encrypted
+>0 default x
+>>0 leshort x \b[%#x]
+
+# Zip known versions
+0 name zipversion
+# The lower byte indicates the ZIP version of this file. The value/10 indicates
+# the major version number, and the value mod 10 is the minor version number.
+>0 ubyte/10 x v%u
+>0 ubyte%10 x \b.%u
+# >0 leshort 0x09 v0.9
+# >0 leshort 0x0a v1.0
+# >0 leshort 0x0b v1.1
+# >0 leshort 0x14 v2.0
+# >0 leshort 0x15 v2.1
+# >0 leshort 0x19 v2.5
+# >0 leshort 0x1b v2.7
+# >0 leshort 0x2d v4.5
+# >0 leshort 0x2e v4.6
+# >0 leshort 0x32 v5.0
+# >0 leshort 0x33 v5.1
+# >0 leshort 0x34 v5.2
+# >0 leshort 0x3d v6.1
+# >0 leshort 0x3e v6.2
+# >0 leshort 0x3f v6.3
+# >0 default x
+# >>0 leshort x v?[%#x]
+
+# display compatible host system name of ZIP archive
+0 name ziphost
+# The upper byte indicates the compatibility of the file attribute information.
+# If the file is compatible with MS-DOS (v 2.04g) then this value will be zero.
+#>1 ubyte 0 DOS
+>1 ubyte 1 Amiga
+>1 ubyte 2 OpenVMS
+>1 ubyte 3 UNIX
+>1 ubyte 4 VM/CMS
+>1 ubyte 6 OS/2
+>1 ubyte 7 Macintosh
+>1 ubyte 11 MVS
+>1 ubyte 13 Acorn Risc
+>1 ubyte 16 BeOS
+>1 ubyte 17 Tandem
+# 9 untested
+>1 ubyte 5 Atari ST
+>1 ubyte 8 Z-System
+>1 ubyte 9 CP/M
+>1 ubyte 10 Windows NTFS
+>1 ubyte 12 VSE
+>1 ubyte 14 VFAT
+>1 ubyte 15 alternate MVS
+>1 ubyte 18 OS/400
+>1 ubyte 19 OS X
+# unused
+#>1 ubyte >19 unused %#x
+
+# Zip End Of Central Directory record
+# GRR: wrong for ZIP with comment archive
+-22 string PK\005\006
+#>4 uleshort !0xFFff \b, %u disks
+#>6 uleshort !0xFFff \b, central directory disk %u
+#>8 uleshort !0xFFff \b, %u central directories on this disk
+#>10 uleshort !0xFFff \b, %u central directories
+#>12 ulelong !0xFFffFFff \b, %u central directory bytes
+# offset of central directory
+#>16 ulelong x \b, central directory offset %#x
+>(16.l) use zipcd
+# archive comment length n
+#>>20 uleshort >0 \b, comment length %u
+# archive comment
+>>20 pstring/l >0 \b, %s