Possible bug in 5.1 - su / utmp

[sektie]

tsk tsk, you got posting about it before I did.

I'm actually having the same problem. I've noticed 5.1 installed via 
cvsup/compile does this, but a cd new install does not. No one at work was 
able to replicate this error, but they were all using the CD.


Randi Harper
sektie at codersluts.net
http://perlpimp.codersluts.net/

---------- Original Message -----------
From: Raymond Sundland <raymond at sundland.com>
To: freebsd-questions at freebsd.org
Sent: Tue, 24 Jun 2003 10:42:49 -0400
Subject: Possible bug in 5.1 - su / utmp

> I found this very interesting when I saw it originally, but then 
> found it was probably a bug.
> 
> Basically, when I log into my 5.1-RELEASE box (compiled today from 
> CVS), I can do a 'w' and get the following:
> 
> % w
> 10:39AM  up  5:01, 1 user, load averages: 0.00, 0.00, 0.00
> USER             TTY      FROM              LOGIN@  IDLE WHAT
> ray              p0       somehost         10:39AM     - w
> 
> Now, when I try to SU to root, this entry changes:
> 
> % su -
> Password:
> Last login: Tue Jun 24 07:44:19 on ttyp1
> % whoami
> root
> % w
> 10:40AM  up  5:01, 1 user, load averages: 0.04, 0.01, 0.00
> USER             TTY      FROM              LOGIN@  IDLE WHAT
> root             p0       -                10:40AM     - w
> 
> So, it looks like the utmp entry is being made (again) for ttyp0 and 
> recording it.  This would be fine from my perspective, but is 
> misleading once I exit the root shell:
> 
> % exit
> % whoami
> ray
> % w
> 10:42AM  up  5:03, 1 user, load averages: 0.01, 0.00, 0.00
> USER             TTY      FROM              LOGIN@  IDLE WHAT
> root             p0       -                10:40AM     - w
> 
> This may be a bug in PAM, since I don't think su calls login (or 
> maybe it does?)  Note that this does not happen if I do not use the 
> '-' option for su.  This also shows up in the lastlog:
> 
> root             ttyp2                     Tue Jun 24 10:40 - 10:43  
> (00:02) ray              ttyp2    somehost         Tue Jun 24 10:39 -
>  10:40  (00:00)
> 
> Anyone have any information about this... know what the bug is?  
> Maybe it's a setting I have set that can be changed?
> 
> Thanks.
> 
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------- End of Original Message -------