[Mageia-dev] msec su for wheel

Colin Guthrie mageia at colin.guthr.ie
Fri Dec 14 10:47:30 CET 2012

'Twas brillig, and Richard Couture at 14/12/12 01:10 did gyre and gimble:
> While teaching a class in administration of GNU Linux using Mageia I
> noted that when setting ENABLE_PAM_WHEEL_FOR_SU in msec that neither the
> group nor the permissions of the exec su were changed.
> [rrc at pwyr ~]$ ls -al $( which su )
> -rwsr-xr-x 1 root root 34904 Jun  9  2012 /bin/su*
> to my way of thinking, this option should change su as follows
> -rwsr-xr-- 1 root wheel 34904 Dec 12 2012 /bin/su*

So this would prevent user A su'ing to user B. I'm not sure that's
desired behaviour.

e.g. I quite often do "su - test" to become my test user.

The setting AFAIU only prevents users su'ing to root when not in the
wheel group, not su'ing to other users.



Colin Guthrie

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