How do I add users using Python scripts on a Linux machine
Ivan Voras
ivoras at fer.hr
Wed Jan 3 11:01:03 EST 2007
Sebastian 'lunar' Wiesner wrote:
> Carsten Haese <carsten at uniqsys.com> 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.
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