Re: plperl Safe restrictions

On Thu, 14 Oct 2004, Andrew Dunstan wrote:

> It has just been brought to my attention that we are being very
> restrictive about what we allow to be done in trusted plperl. Basically
> we allow the :default and :base_math set of operations (run perldoc
> Opcode or see http://www.perldoc.com/perl5.8.0/lib/Opcode.html for
> details of what these mean). In particular, we do not allow calls to
> perl's builtin sort, which is unpleasant, and on reviewing the list it
> seems to me we could quite reasonably allow access to pack and unpack
> also. bless and sprintf are also likely candidates for inclusion - I
> have not finished reviewing the list, and would welcome advice from perl
> gurus on this.
>
> On the other side, I think we should exclude the :base_io set which is
> part of the :default set (we don't want trusted plperl writing to
> stdout, for example - all IO should be forbidden).

That makes sense. Allowing "rand" would be nice too.

Jon

--
Jon Jensen
End Point Corporation
http://www.endpoint.com/
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