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Re: Adding a simple editor to the base system
> > I never tried it myself but my guess is [...]
> I suppose actually looking to see what it does is out of the question?
I don't actually *need* setuid scripts, so I didn't waste time recompiling
the kernel only to see what it does. I just remember there was SETUIDSCRIPTS,
> > How do you think the kernel could prevent symlink attacks? I'm
> > curious to know.
> By not passing a name attackers can symlink-replace, of course - such
> as by (see above) opening the script file in the kernel and passing the
> shell an fd already open onto it.
Yes, that's what options(4) says too. I didn't know there's FDSCRIPTS though.
Thank you for your explanation.
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