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Date:      Thu, 21 Aug 2003 18:23:46 +0200
From:      Pawel Jakub Dawidek <nick@garage.freebsd.pl>
To:        Dan Nelson <dnelson@allantgroup.com>
Cc:        ari <edelkind-freebsd-hackers@episec.com>
Subject:   Re: [future patch] dropping user privileges on demand
Message-ID:  <20030821162346.GM47959@garage.freebsd.pl>
In-Reply-To: <20030821065854.GA11586@dan.emsphone.com>
References:  <20030817181315.GL55671@episec.com> <20030821065854.GA11586@dan.emsphone.com>

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On Thu, Aug 21, 2003 at 01:58:54AM -0500, Dan Nelson wrote:
+> Have you taken a look at Cerb?  http://cerber.sourceforge.net/
+>=20
+> It does something similar, but uses a C-like language to control a
+> processes actions.  This lets you get extremely fine-grained control
+> (allow httpd to bind to only port 80, once), but the rules run as
+> "root", so they can grant as well as revoke privileges.  A useful
+> modification would be to allow users to submit their own policies that
+> can only disallow actions (i.e. all arguments and process variables are
+> read-only, and the script can either pass the syscall through or return
+> a failure code, nothing else).

I'm planing to do so in next CerbNG version, as well as allow jailed-roots
to load rules that affects only jailed-processes.

--=20
Pawel Jakub Dawidek                       pawel@dawidek.net
UNIX Systems Programmer/Administrator     http://garage.freebsd.pl
Am I Evil? Yes, I Am!                     http://cerber.sourceforge.net

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