More detailed magic for early versions of Microsoft Word and Write.

From Joerg Jenderek

diff --git a/magic/Magdir/msdos b/magic/Magdir/msdos
index eda0ddbb0d8e2d7142b7d5f3238752e314b86973..472f682191d2de71aa2e5091994903cc681c8d7d 100644 (file)
--- a/magic/Magdir/msdos
+++ b/magic/Magdir/msdos
@@ -1,6 +1,6 @@
 
 #------------------------------------------------------------------------------
-# $File: msdos,v 1.128 2019/04/19 00:42:27 christos Exp $
+# $File: msdos,v 1.129 2019/06/02 15:25:40 christos Exp $
 # msdos:  file(1) magic for MS-DOS files
 #
 
@@ -655,8 +655,83 @@
 2112   string  MSWordDoc                       Microsoft Word document data
 !:mime application/msword
 #
-0      belong  0x31be0000                      Microsoft Word Document
+# Update:      Joerg Jenderek
+# URL:         http://fileformats.archiveteam.org/wiki/DOC
+# Reference:   https://web.archive.org/web/20170206041048/
+#              http://www.msxnet.org/word2rtf/formats/ffh-dosword5
+# wIdent+dty
+0      belong  0x31be0000
+# skip droid skeleton like x-fmt-274-signature-id-488.doc
+>128   ubyte           >0                      Microsoft
+>>96   uleshort        =0                      Word
 !:mime application/msword
+!:apple        MSWDWDBN
+# DCX is used in the Unix version.
+!:ext  doc/dcx
+>>>0x6E        ulequad         =0                      1.0-4.0
+>>>0x6E        ulequad         !0                      5.0-6.0
+>>>0x6E        ulequad         x                       (DOS) Document
+# https://web.archive.org/web/20130831064118/http://msxnet.org/word2rtf/formats/write.txt
+>>96   uleshort        !0                      Write 3.0 (Windows) Document
+!:mime application/x-mswrite
+!:apple        MSWDWDBN
+# sometimes also doc like in splitter.doc srchtest.doc
+!:ext  wri/doc
+# wTool must be 0125400 octal
+#>>4   uleshort        !0xAB00                 \b, wTool %o
+# reserved; must be zero
+#>>6   ulelong         !0                      \b, reserved %u
+# block pointer to the block containing optional file manager information
+#>>0x1C        uleshort        x                       \b, at 0x%x info block
+# jump to File manager information block
+>>(0x1C.s*128) uleshort x
+# test for valid information start; maybe also 0012h
+>>>&-2         uleshort        =0x0014
+# Document ASCIIZ name
+>>>>&0x12      string          x               %s
+# author name
+>>>>>&1                string          x               \b, author %s
+# reviser name
+>>>>>>&1       string          x               \b, reviser %s
+# keywords
+>>>>>>>&1      string          x               \b, keywords %s
+# comment
+>>>>>>>>&1     string          x               \b, comment %s
+# version number
+>>>>>>>>>&1    string          x               \b, version %s
+# date of last change MM/DD/YY
+>>>>>>>>>>&1   string          x               \b, %-.8s
+# creation date MM/DD/YY
+>>>>>>>>>>&9   string          x               created %-.8s
+# file name of print format like NORMAL.STY
+>>0x1E string          >0                      \b, formatted by %-.66s
+# count of pages in whole file for write variant; maybe some times wrong
+>>96   uleshort        >0                      \b, %u pages
+# name of the printer driver like HPLASMS
+>>0x62 string          >0                      \b, %-.8s printer
+# number of blocks used in the file; seems to be 0 for Word 4.0 and Write 3.0
+>>0x6A uleshort        >0                      \b, %u blocks
+# bit field for corrected text areas
+#>>0x6C        uleshort        x                       \b, 0x%x bit field
+# text of document; some times start with 4 non printable characters like CR LF
+>>128  ubyte           x                       \b,
+>>>128         ubyte   >0x1F
+>>>>128                string  x                       %s
+>>>128         ubyte   <0x20
+>>>>129                ubyte   >0x1F
+>>>>>129       string  x                       %s
+>>>>129                ubyte   <0x20
+>>>>>130       ubyte   >0x1F
+>>>>>>130      string  x                       %s
+>>>>>130       ubyte   <0x20
+>>>>>>131      ubyte   >0x1F
+>>>>>>>131     string  x                       %s
+>>>>>>131      ubyte   <0x20
+>>>>>>>132     ubyte   >0x1F
+>>>>>>>>132    string  x                       %s
+>>>>>>>132     ubyte   <0x20
+>>>>>>>>133    ubyte   >0x1F
+>>>>>>>>>133   string  x                       %s
 #
 0      string/b        PO^Q`                           Microsoft Word 6.0 Document
 !:mime application/msword