zarb-ml/mageia-dev/2012-December/020795.html


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   <H1>[Mageia-dev] msec su for wheel</H1>
    <B>Colin Guthrie</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20msec%20su%20for%20wheel&In-Reply-To=%3C50CAF5B2.9070505%40colin.guthr.ie%3E"
       TITLE="[Mageia-dev] msec su for wheel">mageia at colin.guthr.ie
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    <I>Fri Dec 14 10:47:30 CET 2012</I>
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<PRE>'Twas brillig, and Richard Couture at 14/12/12 01:10 did gyre and gimble:
&gt;<i> While teaching a class in administration of GNU Linux using Mageia I
</I>&gt;<i> noted that when setting ENABLE_PAM_WHEEL_FOR_SU in msec that neither the
</I>&gt;<i> group nor the permissions of the exec su were changed.
</I>&gt;<i> 
</I>&gt;<i> [<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">rrc at pwyr</A> ~]$ ls -al $( which su )
</I>&gt;<i> -rwsr-xr-x 1 root root 34904 Jun  9  2012 /bin/su*
</I>&gt;<i> 
</I>&gt;<i> to my way of thinking, this option should change su as follows
</I>&gt;<i> -rwsr-xr-- 1 root wheel 34904 Dec 12 2012 /bin/su*
</I>
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 &quot;su - test&quot; 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.

Col


-- 

Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>

Day Job:
  Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>
Open Source:
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  PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>
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</PRE>


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