linux-kernel - Re: [GIT PULL] kdbus for 4.1-rc1

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Date:	Fri, 24 Apr 2015 04:08:30 +0200
From:	Karol Lewandowski <karol.k.lewandowski@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Paul Osmialowski <p.osmialowsk@...sung.com>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	Karol Lewandowski <lmctlx@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Tom Gundersen <teg@...m.no>, Jiri Kosina <jkosina@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Daniel Mack <daniel@...que.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Djalal Harouni <tixxdz@...ndz.org>, k.lewandowsk@...sung.com
Subject: Re: [GIT PULL] kdbus for 4.1-rc1

On Thu, Apr 23, 2015 at 09:30:13PM +0200, Greg Kroah-Hartman wrote:
> On Thu, Apr 23, 2015 at 01:42:25PM -0400, Stephen Smalley wrote:
> > On 04/23/2015 01:16 PM, Greg Kroah-Hartman wrote:
> > > The binder developers at Samsung have stated that the implementation we
> > > have here works for their model as well, so I guess that is some kind of
> > > verification it's not entirely tied to D-Bus.  They have plans on
> > > dropping the existing binder kernel code and using the kdbus code
> > > instead when it is merged.
> > 
> > Where do things stand wrt LSM hooks for kdbus?  I don't see any security
> > hook calls in the kdbus tree except for the purpose of metadata
> > collection of process security labels.  But nothing for enforcing MAC
> > over kdbus IPC.  binder has a set of security hooks for that purpose, so
> > it would be a regression wrt MAC enforcement to switch from binder to
> > kdbus without equivalent checking there.
> 
> There was a set of LSM hooks proposed for kdbus posted by Karol
> Lewandowsk last October, and it also included SELinux and Smack patches.
> They were going to be refreshed based on the latest code changes, but I
> haven't seen them posted, or I can't seem to find them in my limited
> email archive.

We have been waiting for right moment with these. :-)

> Karol, what's the status of them?

I have handed patchset over to Paul Osmialowski who started rework it for v4
relatively recently.  I think it shouldn't be that hard to post updated version...

Paul?

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