158a0f0d0SEitan Adler#------------------------------------------------------------------------------ 2*43a5ec4eSXin LI# $File: zip,v 1.7 2021/04/26 15:56:00 christos Exp $ 358a0f0d0SEitan Adler# zip: file(1) magic for zip files; this is not use 458a0f0d0SEitan Adler# Note the version of magic in archive is currently stronger, this is 558a0f0d0SEitan Adler# just an example until negative offsets are supported better 658a0f0d0SEitan Adler 72726a701SXin LI# Zip Central Directory record 858a0f0d0SEitan Adler0 name zipcd 948c779cdSXin LI>0 string PK\001\002 Zip archive data 10*43a5ec4eSXin LI!:mime application/zip 1158a0f0d0SEitan Adler>>4 leshort x \b, made by 1258a0f0d0SEitan Adler>>4 use zipversion 132726a701SXin LI>>4 use ziphost 1458a0f0d0SEitan Adler>>6 leshort x \b, extract using at least 1558a0f0d0SEitan Adler>>6 use zipversion 1658a0f0d0SEitan Adler>>12 ledate x \b, last modified %s 1758a0f0d0SEitan Adler>>24 lelong >0 \b, uncompressed size %d 1858a0f0d0SEitan Adler>>10 leshort x \b, method= 1958a0f0d0SEitan Adler>>10 use zipcompression 2058a0f0d0SEitan Adler 212726a701SXin LI# URL: https://en.wikipedia.org/wiki/Zip_(file_format) 22*43a5ec4eSXin LI# reference: https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT (Version: 6.3.9) 2358a0f0d0SEitan Adler# Zip known compressions 2458a0f0d0SEitan Adler0 name zipcompression 2558a0f0d0SEitan Adler>0 leshort 0 \bstore 262726a701SXin LI>0 leshort 1 \bShrinking 272726a701SXin LI>0 leshort 6 \bImploding 282726a701SXin LI>0 leshort 7 \bTokenizing 2958a0f0d0SEitan Adler>0 leshort 8 \bdeflate 3058a0f0d0SEitan Adler>0 leshort 9 \bdeflate64 312726a701SXin LI>0 leshort 10 \bLibrary imploding 322726a701SXin LI#>0 leshort 11 \bReserved by PKWARE 3358a0f0d0SEitan Adler>0 leshort 12 \bbzip2 342726a701SXin LI#>0 leshort 13 \bReserved by PKWARE 3558a0f0d0SEitan Adler>0 leshort 14 \blzma 362726a701SXin LI#>0 leshort 15 \bReserved by PKWARE 37*43a5ec4eSXin LI>0 leshort 16 \bCMPSC (IBM z/OS) 382726a701SXin LI#>0 leshort 17 \bReserved by PKWARE 392726a701SXin LI>0 leshort 18 \bIBM TERSE 40*43a5ec4eSXin LI>0 leshort 19 \bIBM LZ77 (z/Architecture) 41*43a5ec4eSXin LI>0 leshort 20 \bZstd (deprecated) 42*43a5ec4eSXin LI>0 leshort 93 \bZstd 4358a0f0d0SEitan Adler>0 leshort 94 \bMP3 4458a0f0d0SEitan Adler>0 leshort 95 \bxz 4558a0f0d0SEitan Adler>0 leshort 96 \bJpeg 4658a0f0d0SEitan Adler>0 leshort 97 \bWavPack 4758a0f0d0SEitan Adler>0 leshort 98 \bPPMd 4858a0f0d0SEitan Adler>0 leshort 99 \bAES Encrypted 4958a0f0d0SEitan Adler>0 default x 5058a0f0d0SEitan Adler>>0 leshort x \b[%#x] 5158a0f0d0SEitan Adler 5258a0f0d0SEitan Adler# Zip known versions 5358a0f0d0SEitan Adler0 name zipversion 542726a701SXin LI# The lower byte indicates the ZIP version of this file. The value/10 indicates 552726a701SXin LI# the major version number, and the value mod 10 is the minor version number. 562726a701SXin LI>0 ubyte/10 x v%u 572726a701SXin LI>0 ubyte%10 x \b.%u 582726a701SXin LI# >0 leshort 0x09 v0.9 592726a701SXin LI# >0 leshort 0x0a v1.0 602726a701SXin LI# >0 leshort 0x0b v1.1 612726a701SXin LI# >0 leshort 0x14 v2.0 622726a701SXin LI# >0 leshort 0x15 v2.1 632726a701SXin LI# >0 leshort 0x19 v2.5 642726a701SXin LI# >0 leshort 0x1b v2.7 652726a701SXin LI# >0 leshort 0x2d v4.5 662726a701SXin LI# >0 leshort 0x2e v4.6 672726a701SXin LI# >0 leshort 0x32 v5.0 682726a701SXin LI# >0 leshort 0x33 v5.1 692726a701SXin LI# >0 leshort 0x34 v5.2 702726a701SXin LI# >0 leshort 0x3d v6.1 712726a701SXin LI# >0 leshort 0x3e v6.2 722726a701SXin LI# >0 leshort 0x3f v6.3 732726a701SXin LI# >0 default x 742726a701SXin LI# >>0 leshort x v?[%#x] 752726a701SXin LI 762726a701SXin LI# display compatible host system name of ZIP archive 772726a701SXin LI0 name ziphost 782726a701SXin LI# The upper byte indicates the compatibility of the file attribute information. 792726a701SXin LI# If the file is compatible with MS-DOS (v 2.04g) then this value will be zero. 802726a701SXin LI#>1 ubyte 0 DOS 812726a701SXin LI>1 ubyte 1 Amiga 822726a701SXin LI>1 ubyte 2 OpenVMS 832726a701SXin LI>1 ubyte 3 UNIX 842726a701SXin LI>1 ubyte 4 VM/CMS 852726a701SXin LI>1 ubyte 6 OS/2 862726a701SXin LI>1 ubyte 7 Macintosh 872726a701SXin LI>1 ubyte 11 MVS 882726a701SXin LI>1 ubyte 13 Acorn Risc 892726a701SXin LI>1 ubyte 16 BeOS 902726a701SXin LI>1 ubyte 17 Tandem 912726a701SXin LI# 9 untested 922726a701SXin LI>1 ubyte 5 Atari ST 932726a701SXin LI>1 ubyte 8 Z-System 942726a701SXin LI>1 ubyte 9 CP/M 952726a701SXin LI>1 ubyte 10 Windows NTFS 962726a701SXin LI>1 ubyte 12 VSE 972726a701SXin LI>1 ubyte 14 VFAT 982726a701SXin LI>1 ubyte 15 alternate MVS 992726a701SXin LI>1 ubyte 18 OS/400 1002726a701SXin LI>1 ubyte 19 OS X 1012726a701SXin LI# unused 102*43a5ec4eSXin LI#>1 ubyte >19 unused %#x 10358a0f0d0SEitan Adler 10458a0f0d0SEitan Adler# Zip End Of Central Directory record 10548c779cdSXin LI-22 string PK\005\006 10658a0f0d0SEitan Adler#>4 leshort >1 \b, %d disks 10758a0f0d0SEitan Adler#>6 leshort >1 \b, central directory disk %d 10858a0f0d0SEitan Adler#>8 leshort >1 \b, %d central directories on this disk 10958a0f0d0SEitan Adler#>10 leshort >1 \b, %d central directories 11058a0f0d0SEitan Adler#>12 lelong x \b, %d central directory bytes 11158a0f0d0SEitan Adler>(16.l) use zipcd 112d38c30c0SXin LI>>20 pstring/l >0 \b, %s 113