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List:       clamav-devel
Subject:    [Clamav-devel] supporting more archive types
From:       Stefan Kaltenbrunner <mm-mailinglist () madness ! at>
Date:       2004-05-26 17:59:28
Message-ID: 40B4DB00.8080007 () madness ! at
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Hi all!

I'm mostly curious as what is the limiting factor of the number of 
different archives libclamav (internally) supports.
While the currently supported formats are definitly the most widely used 
- most commercial av-systems can decode much more archive types.

So is the problem mostly a lack of (developer) resources, lack of 
interest (most of the more exotic archive types are hardly seen on the 
internet) or (more seriously and problematic) licence problems?

A quick google search showed there a various Opensource (GPL'd) decoder 
libaries available (at least for lza,lzo,...)

and then there is the LGPL'd

http://sourceforge.net/projects/sevenzip/

which seems to support "7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, 
RPM and DEB" (according to their homepage) (even rar 2.9 archives seems 
supported)

and for rar - there is http://www.rarlab.com/rar/unrarsrc-3.3.6.tar.gz - 
which has a interesting licence (no idea how that would apply to a GPL'd 
clamav - I'm not a lawyer)


thanks for any insight into this!


Stefan


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