[Mimedefang] MIMEDefang 2.53-BETA-2 is available

[David F. Skoll]

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Hi,

MIMEDefang 2.53-BETA-2 is available at http://www.mimedefang.org/node.php?id=1

This release is specifically to work around a problem in clamd:
Some ZIP files are compressed with a new "deflate64" algorithm.
clamd can't handle this, and neither can zlib.  However, the "unzip"
program can.

So MIMEDefang has been altered so that if clamd returns a "Zip module failure",
we fall back on a command-line scan using "clamscan --unzip".

This is, of course, a dirty hack.  It only works properly if both clamscan
and unzip are installed and on your PATH.

It's also likely to be the only "correct" solution for a while, because
the zlib authors aren't interested in supporting deflate64, and the clamd
authors are unlikely to integrate support for external unpackers in libclamav.

Full changelog to 2.52 follows.

Regards,

David.

2005-08-30  David F. Skoll  <dfs at roaringpenguin.com>

	* VERSION 2.53-BETA-2 RELEASED

	* mimedefang.pl.in: If clamd fails with a "Zip module error",
	we fall back on "clamscan --unzip".  If both clamscan and
	unzip are installed, this lets us handle "deflate64" compression,
	which is NOT available in libz or clamd.

2005-08-28  David F. Skoll  <dfs at roaringpenguin.com>

	* VERSION 2.53-BETA-1 RELEASED

	* mimedefang-multiplexor.c: Add more load commands: load-relayok,
	load-senderok and load-recipok to time processing of relayok,
	senderok and recipok callbacks.

	* mimedefang-multiplexor.c: Reset SIGCHLD handler after creating
	embedded Perl interpreter.  Designed to work around problems with
	SpamAssassin 3.1RC1.

	* mimedefang.c: Always create an empty HEADERS file, even if
	(somehow) we get an e-mail with no headers.

	* mimedefang.pl: Correctly set $Features{"Virus:FileScan"}

	* mimedefang.pl(takeStabAtFilename): Do not use the Content-Decription
	field as an indication of the filename.

2005-06-01  David F. Skoll  <dfs at roaringpenguin.com>

	* VERSION 2.52 RELEASED




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