Hi Sebastian,
On 10.07.2014 22:35, Sebastian Andrzej Siewior wrote:
On 2014-07-10 01:30:41 [+0200], Andreas Cadhalpun wrote:
The matched string is:
$ strings /usr/lib/libclamav.so.6.1.23 | grep -P '(?m)(?<!4 )(?:in|de)flate
(?:\d[ \w.\-]{1,20}[\w.\-])'
inflate 1.2.3 Copyright 1995-2005 Mark Adler
This is actually what lintian wants to detect.
It's defined in libclamav/inflate64.c, which is a modified version of zlib's
inflate.c, defining inflate64* functions, that are not available in zlib.
I don't think lintian can detect that, so we probably should just add a
comment to the lintian override, explaining the situation.
You are right. The problem is the inflate64 function, just verified it. Still
it is a modified version of zlib's code for the "zip method 9" according
to the header file.
libzzip goes upto 8. Maybe there is something else that can also uncompress
that kind of file.
Better would be to add 'method 9' support to zlib.
Maybe I misunderstand something, but to me it seems the situation is as
follows:
In the (distant) past, clamav had a problem decompressing "zip method 9"
and zlib was asked to add this funcionality [1].
As this hasn't happend during the last decade, clamav implemented it in
it's own source.
So to get rid of this lintian error, someone should follow up on
#308799, probably sending inflate64.c etc. as patches and see if
upstream zlib is willing to add them.
Best regards,
Andreas
1: https://bugs.debian.org/308799
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