Serge E. Hallyn wrote:
> Quoting Arjan van de Ven ([email protected]):
>>> A one time effort to write it *and sign it*.
>> you don't sign nor need to sign perl or bash scripts. Why would a loader
>> be written in ELF itself? There's absolutely no reason for that.
>
> Yup, that's an unfortunate shortcoming. We'd been wanting to re-post to
> lkml for a long time to get ideas to fix that.
>
> I had an extension to digsig earlier which enabled signing shellscripts
> using xattrs (just because it was a trivial task), but that's clearly
> insufficient as it would catch "./myscript.pl" but not "perl
> myscript.pl".
Another thing to do is to modify perl to verify signatures of
the scripts it's executing, sign *that* perl binary, and disallow
executing of unsigned perl scripts...
/mjt, who's joking only partially.
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