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From: Chris Wright <chrisw@osdl.org>
To: "Kristian Sørensen" <ks@cs.aau.dk>
Cc: Chris Friesen <cfriesen@nortel.com>,
	James Morris <jmorris@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Any work in implementing Secure IPC for Linux?
Date: Mon, 9 May 2005 12:01:15 -0700	[thread overview]
Message-ID: <20050509190115.GA23013@shell0.pdx.osdl.net> (raw)
In-Reply-To: <200505092044.29440.ks@cs.aau.dk>

* Kristian S?rensen (ks@cs.aau.dk) wrote:
> On Monday 09 May 2005 19:54, Chris Friesen wrote:
> > How about unix sockets?
> > 	--you can have sockets in the filesystem namespace with regular file
> > permissions to control who is allowed to send messages to particular
> > addresses
> This is the same problem: Basing access control on user and group is not 
> enough - especially as the root-user can overrule any access control 
> specified by the normal DAC file attributes.

If you want the application involved/aware, you can still use finer
grained credentials, have a look at getpeersec.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  reply	other threads:[~2005-05-09 19:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-09  9:11 Kristian Sørensen
2005-05-09 12:15 ` Matthias-Christian Ott
2005-05-09 15:00 ` James Morris
2005-05-09 17:40   ` Kristian Sørensen
2005-05-09 17:53     ` Chris Wright
2005-05-09 17:54     ` Chris Friesen
2005-05-09 18:44       ` Kristian Sørensen
2005-05-09 19:01         ` Chris Wright [this message]
2005-05-09 19:09         ` James Morris
2005-05-09 18:06     ` Matthias-Christian Ott

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