From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-22697-mason-zsh=primenet.com.au@sunsite.dk>
Received: (qmail 8569 invoked from network); 12 Sep 2006 19:51:40 -0000
X-Spam-Checker-Version: SpamAssassin 3.1.5 (2006-08-29) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,
	FORGED_RCVD_HELO autolearn=ham version=3.1.5
Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88)
  by ns1.primenet.com.au with SMTP; 12 Sep 2006 19:51:40 -0000
Received-SPF: none (ns1.primenet.com.au: domain at sunsite.dk does not designate permitted sender hosts)
Received: (qmail 40231 invoked from network); 12 Sep 2006 19:51:34 -0000
Received: from sunsite.dk (130.225.247.90)
  by a.mx.sunsite.dk with SMTP; 12 Sep 2006 19:51:34 -0000
Received: (qmail 12334 invoked by alias); 12 Sep 2006 19:51:31 -0000
Mailing-List: contact zsh-workers-help@sunsite.dk; run by ezmlm
Precedence: bulk
X-No-Archive: yes
X-Seq: 22697
Received: (qmail 12312 invoked from network); 12 Sep 2006 19:51:31 -0000
Received: from news.dotsrc.org (HELO a.mx.sunsite.dk) (130.225.247.88)
  by sunsite.dk with SMTP; 12 Sep 2006 19:51:31 -0000
Received: (qmail 39870 invoked from network); 12 Sep 2006 19:51:31 -0000
Received: from ug-out-1314.google.com (66.249.92.168)
  by a.mx.sunsite.dk with SMTP; 12 Sep 2006 19:51:27 -0000
Received: by ug-out-1314.google.com with SMTP id c2so4975364ugf
        for <zsh-workers@sunsite.dk>; Tue, 12 Sep 2006 12:51:26 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
        s=beta; d=gmail.com;
        h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
        b=uZG46miJbAHbQ+44QCfNCqikshUPqIKYtdi6nOnyceP5CSr1ZKg1c2a83TxavLmntyMVwQUQT/ZEePPNpHrO0RJnTZi7VmQ/+aLHb6/BUpehQwCxGA6oy61EtK4BQqRejGXm8kAPkXCuy0CRoJuA5YAcJQt/LS5WUBeUaPI/dIE=
Received: by 10.67.22.2 with SMTP id z2mr3636652ugi;
        Tue, 12 Sep 2006 12:51:26 -0700 (PDT)
Received: by 10.66.222.6 with HTTP; Tue, 12 Sep 2006 12:51:26 -0700 (PDT)
Message-ID: <237967ef0609121251u4fa6cb4erd3061a267cf4a645@mail.gmail.com>
Date: Tue, 12 Sep 2006 21:51:26 +0200
From: "Mikael Magnusson" <mikachu@gmail.com>
To: "Dave Yost" <Dave@yost.com>
Subject: Re: builtin setuid and setgid commands
Cc: zsh-workers@sunsite.dk
In-Reply-To: <pdy98830624063bc12cb7255de8@192.168.1.2>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <pdy98830624063bc12cb7255de8@192.168.1.2>

On 9/12/06, Dave Yost <Dave@yost.com> wrote:
> Zshell should have builtins to call the setuid and setgid system calls.
>
> With this feature, one can write a shell script that is executed by
> root but runs as another user.
>
> The usefulness of this feature came up in the context of the
> mysql.server script, which starts/stops the server and is run by root
> at boot time.  It would be nice if the script itself could use a
> setuid command to ensure that it is running as the mysql user.
>
> Thanks
>
> Dave

# whoami
root
# UID=1003
# whoami
mikaelh
# UID=0
# whoami
mikaelh

another session
# whoami
root
# EUID=1003
# whoami
mikaelh
# EUID=0
# whoami
root


-- 
Mikael Magnusson