uw7 root privileges sudu asroot

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From: Roberto Zini <r.zini@strhold.it>
Subject: Re: system shutdown by regular users - asroot won't do it
Date: Tue, 24 Jul 2001 18:18:50 +0200
References: <9jje47$fhu$06$1@news.t-online.com> <tlqvco2otthb94@corp.supernews.com> <9jk2nc$iul$05$1@news.t-online.com> 

Jochen Hartmann wrote:
> 
> Hi,
> 
> unfortunately, the asroot command (which I used with Open Server) is no
> longer available on UnixWare 7, so that didn't help. Thanks anyway, and
> maybe there are other suggestions around.
> 
> Jochen

Well, we don't like "asroot" under UnixWare7 :-) but we do
like alternative commands such as tfadmin, adminrole and
things.

See the following excerpts from Matt Schalit's FAQ (keep up
the good work pal !) 

=== cut here === 8< ===

  6.4   What are privileges?
  7 Dec 1999
  --------------------------------------
   Users need to be granted the privilege to run important system commands
   like kill, shutdown, and ifconfig.  Privileges are an additional way, 
   besides permissions, to control who can run sensitive commands like 
   shutdown and ifconfig.  By using privileges, root can grant the right 
   to run a command or group of commands, rather than give out the root 
   password and telling the user to use su.  When a user has been granted 
   privileges to use a command, they execute that command as if they were
   root, using that command as an argument to the tfadmin command, as in

      /sbin/tfadmin shutdown -g0 -y -i6

   (The system maintains a security privilege database, and it can get 
   corrupted.  Check it by typing /sbin/initprivs and fix it with
   /etc/security/tools/setpriv -x.

   See also Sections (1.15) and (6.6).

  6.5   What are the alternatives to su?  A user needs a privilege.
  25 Oct 1999
  --------------------------------------
   Instead of granting every right by giving out the root password and
   telling someone to use su, we use the tfadmin command and the privilege
   mechanism.  This allows us to grant specific access.




  6.6   How do I use tfadmin, adminuser, and adminrole, instead of su?
  18 Dec 2000
  --------------------------------------
   To use privileges instead of su, we do the following:

      A)  Create a group of commands that a user needs, called a role,
          with the adminrole command
      B)  Assign a user or users to that role with adminuser.
      C)  Then they can execute the commands using tfadmin.

   This is straightforward enough.  The following is an example, where I'll 
   grant the privilege to use 'kill' and 'shutdown' to Yurtle:


   Script started on Mon Oct 25 20:56:10 1999
   # id | awk '{ print $1 " " $2 }'
   UID=0(root) GID=3(sys)
   #
   # /bin/adminrole -n SCRAM
   # /bin/adminrole -a kill:/bin/kill:allprivs SCRAM
   # /bin/adminrole -a shutdown:/sbin/shutdown:allprivs SCRAM
   # /bin/adminuser -n -o SCRAM yurtle
   # 
   # ^D
   
   script done on Mon Oct 25 21:00:45 1999


   That's all there is to it.  Yurtle can kill and shutdown now,
   as long as initprivs returns nothing and they type their command like:

     /sbin/tfadmin shutdown -g0 -y -i0

=== cut here === 8< ===

Kudos to Matt for his work,
Roberto
-- 
---------------------------------------------------------------------
Roberto Zini                                email : r.zini@strhold.it
Technical Support Manager -- Strhold Evolution Division  R.E. (ITALY)
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