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SubjectRe: Capabilities done right [diff against 2.3.1]


On Mon, 17 May 1999, Pavel Machek wrote:
>
> Is that missfeature of sh? I thought that it was race between sh being
> loaded and potential change of file. Malicious user could delete suid
> program and replace it with his own code with other name -- that is
> not easily worked around. So capabilities support will have to go into
> sperl, anyway.

It =is= easily worked around. Using /proc there ave been patches around
for a long time.

Anyway, the whole point was that there are cases where you want to
=remove= capabilities. And hey, if you have a hacker that tries to take
over that removal, tell him hello.

> Did I convince you now?

No.

Linus


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