Re: using mount from SUID scripts?

From: Jesse Pollard (pollard@tomcat.admin.navo.hpc.mil)
Date: Wed Aug 08 2001 - 07:31:02 EST


...
> Unfortunately, the snippit of code here doesn't do the job... after the
> first two lines, the UID is unchanged, while the EUID is still 0 (root). I
> used system "/usr/bin/id" to verify this. /bin/mount is still complaining.
>
> Oh, wait... $> is effective and $< is real. So that first line should be
> ($r, $e) =3D ($<, $>); -- this makes everything happy!

drat... I thought I had that right...

Also the last line should be swapped too:

        ($r, $e) = ($<, $>);
        $< =3D $e;
        <<<do stuff>>>
        ($<, $>) = ($r,$e);

-------------------------------------------------------------------------
Jesse I Pollard, II
Email: pollard@navo.hpc.mil

Any opinions expressed are solely my own.
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