In <mailman.195.1379698177.18130.python-l...@python.org> Jabba Laci
<jabba.l...@gmail.com> writes:
> There are several questions:
> * What is someone sends an infinite loop? There should be a time limit.
You could run the judge as a background process, and kill it after ten
seconds if it hasn't finished.
> * What is someone sends a malicious code? The script should be run in a
> sandbox.
You could run the judge from its own account that doesn't have access to
anything else. For extra security, make the judge program itself owned by
a separate account (but readable/executable by the judge account.)
I suppose you'd have to disable mail access from the judge account too.
Not sure how to easily do that.
--
John Gordon A is for Amy, who fell down the stairs
gor...@panix.com B is for Basil, assaulted by bears
-- Edward Gorey, "The Gashlycrumb Tinies"
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