[ Ivan Voras <[EMAIL PROTECTED]> ]
> Sebastian 'lunar' Wiesner wrote:
>> Carsten Haese <[EMAIL PROTECTED]> typed
>
>>> I don't think that that has anything to do with Linux or not. The
>>> script is not the actual executable, hence its suid bit is
>>> irrelevant.
>>
>> I don't think so. From what I know, the script is passed as
>> executable to the kernel loader, which interprets the shebang and
>> feeds the script through the correct interpreter. So the kernel
>> loader sees the script itself as executable instead of the
>> interpreter binary. I've heard of other Unix systems, which handle
>> this differently (meaning that the SUID bit on scripts has an
>> effect), but I may be wrong.
>
> Yes, the kernel parses #! but the suid-ness is still controlled by the
> target interpreter (i.e. python executable). At least BSD systems also
> behave this way.
I don't think, that the interpreter controls SUID-ness. Privileges are
always handled by the kernel. At least the kernel needs to agree, when
a normal user wants to execute a SUID scripts.
--
Freedom is always the freedom of dissenters.
(Rosa Luxemburg)
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