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Authentication-Results: mx201.skynet.be; dkim=none (message not signed) header.i=none; spf=None smtp.pra=tiff-bounces@lists.osgeo.org; spf=Pass smtp.mailfrom=SRS0=nnd2=73=lists.osgeo.org=tiff-bounces@osgeo.org; spf=PermError smtp.helo=postmaster@lists.osgeo.org
Received-SPF: None (mx201.skynet.be: no sender authenticity
  information available from domain of
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  envelope-from="SRS0=nnd2=73=lists.osgeo.org=tiff-bounces@osgeo.org";
  x-sender="tiff-bounces@lists.osgeo.org";
  x-conformance=sidf_compatible
Received-SPF: Pass (mx201.skynet.be: domain of
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  designates 140.211.15.3 as permitted sender)
  identity=mailfrom; client-ip=140.211.15.3;
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  x-sender="SRS0=nnd2=73=lists.osgeo.org=tiff-bounces@osgeo.org";
  x-conformance=sidf_compatible; x-record-type="v=spf1";
  x-record-text="v=spf1 mx a:mail.osgeo.org a:lists.osgeo.org
  a:mail.osgeo.osuosl.org ip4:140.211.15.3 a:osgeo7.osgeo.org
  a:trac.osgeo.org a:dev.trac.osgeo.org
  a:secure.osgeo.osuosl.org ip4:140.211.15.57
  ip4:140.211.15.32 ip4:140.211.15.26 ip4:140.211.15.6"
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  client-ip=140.211.15.3; receiver=mx201.skynet.be;
  envelope-from="SRS0=nnd2=73=lists.osgeo.org=tiff-bounces@osgeo.org";
  x-sender="postmaster@lists.osgeo.org";
  x-conformance=sidf_compatible; x-record-type="v=spf1";
  x-record-text=""
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Date: Tue, 4 Apr 2023 08:49:51 -0500 (CDT)
From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
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To: Even Rouault <even.rouault@spatialys.com>
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Subject: Re: [Tiff] Remove TIFFCROP from LibTiff + tiff2ps & tiff2pdf ?
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On Tue, 4 Apr 2023, Even Rouault wrote:
>
> tiff2ps and tiff2pdf seem to be also good candidates for moving into archive 
> as they have a number of reported security related issues and a significant 
> code size. Their functionality is (at least mostly) covered by the convert 
> utility of ImageMagick.

While the original code quality of these libtiff utilities was very 
poor, it should be consided that some of these utilities are used in 
existing processing pipelines (e.g. printing subsystems).  It should 
also be considered that a utility like tiff2ps is 5 times more CPU 
efficient, and 27 times more memory efficient, than using the convert 
utility of ImageMagick.

The tiffcrop utility was used privately in production for years and 
offers some unique features and performance capabilities not found in 
other software.  Unfortunately, modern security practices were not a 
consideration when it was written.

There is the possibility to create a separate project/package for 
these "unmaintainable" libtiff utilities in order to significantly 
lessen the degree of distress on libtiff itself but still allow these 
utilities to be maintained, and released on a different schedule and 
by perhaps different volunteers.  To me this seems better than to 
create more dead source code in the libtiff package.

Bob
-- 
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
Public Key,     http://www.simplesystems.org/users/bfriesen/public-key.txt
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