[File] [PATCH] Magdir/ole2compounddocs for Microsoft At Work fax Document *.AWD

Christos Zoulas christos at zoulas.com
Mon Apr 18 21:55:16 UTC 2022


Committed, thanks!

christos

> On Apr 14, 2022, at 9:31 AM, Jörg Jenderek <joerg.jen.der.ek at gmx.net> wrote:
> 
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> Hello,
> 
> some days ago i used a print copy utility on Windows. That can be
> found on web site hardcopy.de. Per hot key the screen or parts of
> it can be directed to printer or saved as file. On offered file
> formats one is called "Microsoft Fax". When running file command
> version 5.41 with -e cdf option on such examples i get an output like
> :
> 
> hardcopy-ms-fax.awd: OLE 2 Compound Document, v3.62,
> 		     SecID 0x1, 2 FAT sectors,
> 		     Mini FAT start sector 0x95 :
> 		     UNKNOWN,
> 		     clsid 0x801cb0023de01a10b29400dd010f2bf9
> 
> Furthermore only generic mime type application/x-ole-storage is
> shown with -i and -e cdf option. With option --extension only 3 byte
> sequence ??? is shown.
> 
> When running file command with -e soft or no extra option for all
> examples i get a output like:
> 
> hardcopy-ms-fax.awd: Composite Document File V2 Document,
> 		     Little Endian, Os: Windows, Version 10.0,
> 		     Revision Number: 1.0 (pages = docs),
> 		     Create Time/Date: Wed Apr 13 23:58:20 2022,
> 		     Last Saved Time/Date: Wed Apr 13 23:58:20 2022,
> 		     Number of Pages: 1,
> 		     Name of Creating Application: AtWork FAX,
> 		     Security: 0,
> 		     Author: AtWork FAX, Last Saved By: AtWork FAX
> 
> For comparison reason i run the file format identification utility
> TrID ( See https://mark0.net/soft-trid-e.html). This identifies also
> all examples with low priority as "Generic OLE2 / Multistream
> Compound" by docfile.trid.xml. All examples are described as
> "Microsoft At Work Fax document" with AWD file name extension by
> awd-fax.trid.xml (See appended trid-v-awd.txt.gz).
> 
> For comparison reason i also run the file format identification
> utility DROID ( See https://sourceforge.net/projects/droid/). This
> identifies the AWD examples generic as "OLE2 Compound
> Document Format" by fmt/111 Signature (See appended
> droid-awd.csv.gz).
> 
> Luckily with information given by the other tools i also found a
> page about AWD (At Work Document) on file formats archive team web
> site. There it is written that is is based on Microsoft Compound File
> format. That informations are expressed by comment lines inside
> Magdir/ole2compounddocs like:
> # URL:		http://fileformats.archiveteam.org/
> #		wiki/AWD_(At_Work_Document)
> # Reference:	http://mark0.net/download/triddefs_xml.7z
> #		defs/a/awd-fax.trid.xml
> 
> The AWD examples are recognized as "OLE 2 Compound Document"
> by starting bytes (\320\317\021\340\241\261\032\341) at the beginning
> inside Magdir/ole2compounddocs. Obviously there exist no code
> fragment to do sub class identification. So the examples are
> described as "UNKNOWN". Furthermore the examples have a registered
> Root storage object CLSID. That value is shown as
> 0x801cb0023de01a10b29400dd010f2bf9 or expressed in standard curly
> braces expression by {02B01C80-E03D-101A-B294-00DD010F2BF9} .
> That means that in branch handling non null CLSID GUID lines must be
> added. The similar entry was Microsoft Project (*.mpp) with value
> 0x3a8fb774c8c8d111be1100c04fb6faf1. So i add before lines for my
> inspected examples. That looks like:
> 
>>> 88 	ubequad		0xb29400dd010f2bf9	: Microsoft
>>>> 80 	ubequad		0x801cb0023de01a10	At Work fax Document
> !:mime	image/x-ms-awd
> !:ext	awd
> 
> I found no official or often used mime type. So i display an user
> defined one instead of generic application/x-ole-storage.
> 
> After applying the above mentioned modifications by patch
> file-5.41-ole2compounddocs-awd.diff then all my inspected AWD
> examples are now described with more details. This now looks with -e
> cdf option like:
> 
> I hope my diff file can be applied in future version of file
> utility.
> 
> With best wishes,
> Jörg Jenderek
> - --
> Jörg Jenderek
> 
> 
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> <droid-awd.csv.gz><trid-v-awd.txt.gz><file-5_41-ole2compounddocs-awd_diff.DEFANGED-32195><file-5_41-ole2compounddocs-awd_diff_sig.DEFANGED-32196>-- 
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