linux-kernel - Re: security: introduce file caps

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Message-ID: <20061123214159.GA23800@sergelap.austin.ibm.com>
Date:	Thu, 23 Nov 2006 15:41:59 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	Chris Friedhoff <chris@...edhoff.org>,
	"Serge E. Hallyn" <serue@...ibm.com>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Chris Wright <chrisw@...s-sol.org>,
	KaiGai Kohei <kaigai@...gai.gr.jp>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: security: introduce file caps

Quoting Andrew Morton (akpm@...l.org):
> On Thu, 23 Nov 2006 13:12:03 +0100
> Chris Friedhoff <chris@...edhoff.org> wrote:
> 
> > xinit respects capabilities (at least i guess), so when the system has
> > capability-support, the binary /usr/X11R6/bin/xinit neeeds the
> > capability cap_kill even when no capability extended attribute exists
> > for this binary.
> >
> > setfcaps cap_kill=ep /usr/X11R6/bin/xinit
> >
> > I documented this here:
> > http://www.friedhoff.org/fscaps.html#Xorg,%20xinit,%20xfce,%20kde
> >
> > and for more:
> > http://www.friedhoff.org/fscaps.html
> >
> 
> Even when CONFIG_SECURITY_FS_CAPABILITIES=n?

No, the patch shouldn't change behavior when
CONFIG_SECURITY_FS_CAPABILITIES=n, though of course I see why it did.  I
will send a fixed patch tomorrow or this weekend.

sorry,
-serge
-
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