Re: Virus Checking - COMPLETELY UNENCUMBERED!
On Thu, May 16, 2002 at 12:02:34PM +0200, Wouter Verhelst wrote:
> On Thu, 16 May 2002, Richard Braakman wrote:
> > On Thu, May 16, 2002 at 12:43:45AM +0200, Hilko Bengen wrote:
> > > No. That is exactly what AMaViS-ng does. And security is the reason
> > > why AMaViS-ng only supports unpacking programs that can unpack things
> > > to stdout.
> >
> > Actually, I think there is. It makes it possible to hide a virus in
> > the part of the archive beyond $SIZELIMIT. It would be better to reject
> > the attachment if it is too large to scan.
So to check whether it actually *is* too big, you do the "head" thing and
check the length you got back. If it == the limit you applied with head,
you reject.
--
Nick Phillips -- nwp@lemon-computing.com
Beware the one behind you.
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