file/magdir/msdos

   1
   2 #------------------------------------------------------------------------------
   3 # msdos:  file(1) magic for MS-DOS files
   4 #
   5
   6 # .BAT files (Daniel Quinlan, quinlan@yggdrasil.com)
   7 0       string  @echo\ off      MS-DOS batch file text
   8
   9 # .EXE formats (Greg Roelofs, newt@uchicago.edu)
  10 #
  11 0       string  MZ              MS-DOS executable (EXE)
  12 >24     string  @               \b, OS/2 or Windows
  13 >1638   string  -lh5-           \b, LHa SFX archive v2.13S
  14 >7195   string  Rar!            \b, RAR self-extracting archive
  15 #
  16 # [GRR 950118:  file 3.15 has a buffer-size limitation; offsets bigger than
  17 #   8161 bytes are ignored.  To make the following entries work, increase
  18 #   HOWMANY in file.h to 32K at least, and maybe to 70K or more for OS/2,
  19 #   NT/Win32 and VMS.]
  20 # [GRR:  some company sells a self-extractor/displayer for image data(!)]
  21 #
  22 >11696  string  PK\003\004      \b, PKZIP SFX archive v1.1
  23 >13297  string  PK\003\004      \b, PKZIP SFX archive v1.93a
  24 >15588  string  PK\003\004      \b, PKZIP2 SFX archive v1.09
  25 >15770  string  PK\003\004      \b, PKZIP SFX archive v2.04g
  26 >28374  string  PK\003\004      \b, PKZIP2 SFX archive v1.02
  27 #
  28 # Info-ZIP self-extractors
  29 #    these are the DOS versions:
  30 >25115  string  PK\003\004      \b, Info-ZIP SFX archive v5.12
  31 >26331  string  PK\003\004      \b, Info-ZIP SFX archive v5.12 w/decryption
  32 #    these are the OS/2 versions (OS/2 is flagged above):
  33 >47031  string  PK\003\004      \b, Info-ZIP SFX archive v5.12
  34 >49845  string  PK\003\004      \b, Info-ZIP SFX archive v5.12 w/decryption
  35 #    this is the NT/Win32 version:
  36 >69120  string  PK\003\004      \b, Info-ZIP NT SFX archive v5.12 w/decryption
  37 #
  38 # TELVOX Teleinformatica CODEC self-extractor for OS/2:
  39 >49801  string  \x79\xff\x80\xff\x76\xff        \b, CODEC archive v3.21
  40 >>49824 leshort         =1                      \b, 1 file
  41 >>49824 leshort         >1                      \b, %u files
  42
  43 # .COM formats (Daniel Quinlan, quinlan@yggdrasil.com)
  44 # Uncommenting only the first two lines will cover about 2/3 of COM files,
  45 # but it isn't feasible to match all COM files since there must be at least
  46 # two dozen different one-byte "magics".
  47 #0      byte            0xe9            MS-DOS executable (COM)
  48 #0      byte            0x8c            MS-DOS executable (COM)
  49 # 0xeb conflicts with "sequent" magic
  50 #0      byte            0xeb            MS-DOS executable (COM)
  51 #0      byte            0xb8            MS-DOS executable (COM)
  52
  53 # miscellaneous formats
  54 0       string          LZ              MS-DOS executable (built-in)
  55 #0      byte            0xf0            MS-DOS program library data
  56 #
  57
  58 # Popular applications
  59 2080    string  Microsoft\ Word\ 6.0\ Document  %s
  60 #
  61 0       belong  0x31be0000      Microsoft Word Document
  62 #
  63 2080    string  Microsoft\ Excel\ 5.0\ Worksheet        %s
  64 #
  65 0       belong  0x00001a00      Lotus 1-2-3
  66 >4      belong  0x00100400      wk3 document
  67 >4      belong  0x02100400      wk4 document
  68 >4      belong  0x07800100      fm3 or fmb document
  69 >4      belong  0x07800000      fm3 or fmb document
  70 #
  71 0       belong  0x00000200      Lotus 1-2-3
  72 >4      belong  0x06040600      wk1 document
  73 >4      belong  0x06800200      fmt document