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Date:      Thu, 22 Nov 2001 17:56:41 +0300
From:      "Vladimir B. Grebenschikov" <vova@express.ru>
To:        Hiten Pandya <hitmaster2k@yahoo.com>
Cc:        current@freebsd.org
Subject:   [SUGGESTION] - disallowing shutdown after su(1)
Message-ID:  <15357.4649.86766.85777@vbook.express.ru>
In-Reply-To: <20011122144011.50097.qmail@web21104.mail.yahoo.com>
References:  <20011122144011.50097.qmail@web21104.mail.yahoo.com>

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Hiten Pandya writes:
 > hi all,
 > 
 > correct me if i am wrong.. but..
 > do you think, if we denied a shutdown after an su(1)
 > to root from a non-privileged user would be good...
 > 
 > i tried this same thing at home.. i builded it and
 > installed it.. works fine for me... the patch below
 > will allow a shutdown only be logging into root itself
 > and not by issuing an su(1) command to root.
 > 
 > this would be very good, i think if someone broke into
 > a normal user and was able to gain access into root
 > using su... (without a password..)
 > 
 > i am submitting a tar.gz file, which has the patch for
 > the shutdown.8 manpage, and shutdown.c located at..
 > src/sbin/shutdown.c...

I think this idea have no any sence because beeing root you CAN
shutdown machine not depending on how you became root.

few examples:
  # kill -USR2 (see init(8) - halt)

  build fresh shutdown 

  halt -q

so ...  

 > thanks...
 > 
 > 
 > =====
 > regards,
 > Hiten Pandya
 > <hitmaster2k@yahoo.com>
 > <http://geocities.com/hitmaster2k>;
 > ----------------------------------------------------
 > Guys!... stay away from Einstein Junior!
 > ----------------------------------------------------
 > 
 > __________________________________________________
 > Do You Yahoo!?
 > Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month.
 > http://geocities.yahoo.com/ps/info1
--
TSB Russian Express, Moscow
Vladimir B. Grebenschikov, vova@express.ru

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