crontab message "must be privileged to use -u"

Brian Inglis
Thu Mar 19 01:25:20 GMT 2020

On 2020-03-18 15:39, Achim Gratz wrote:
> Andrey Repin writes:
>>>> I'm in an elevated shell, but it seems crontab is doing a dumb POSIX check for
>>>> EUID=0.
>>> Then wrapping it with fakesu should work (no I have not tried that).
>> Cool idea, but I'm not up for recompiling crontab >.>
>> Still, thanks for the reply.
> If you care to look at the package listing you might have noticed that
> there is an actual fakesu binary present that I believe does exactly
> what you were asking.

Installed libfakesu - fakesu just scans source for functions it can fake - it is
undocumented and not obvious how you are meant to run it.
One library function can implement suid/sgid exe permission bits.

Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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