linux-kernel - Re: [PATCH] syslog: check cap_syslog when dmesg

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Date:	Wed, 08 Dec 2010 11:46:23 -0500
From:	Eric Paris <eparis@...hat.com>
To:	"Serge E. Hallyn" <serge@...lyn.com>
Cc:	James Morris <jmorris@...ei.org>,
	Stephen Smalley <sds@...ho.nsa.gov>, dwalsh@...hat.com,
	Kees Cook <kees.cook@...onical.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] syslog: check cap_syslog when dmesg_restrict

On Wed, 2010-12-08 at 16:42 +0000, Serge E. Hallyn wrote:
> Quoting Eric Paris (eparis@...hat.com):

> >   I think the code might be
> > incorrect today as well......
> > 
> > I thought the flow was supposed to be
> > 
> > if (capable(CAP_SYSLOG))
> > 	all good
> > else if (capable(CAP_SYS_ADMIN))
> > 	WARN, but still good for now
> 
> I prefer warn and deny.  Otherwise it's too easy to ignore warnings.  So
> I prefer the msg to be there to explain why it failed - not that I expect
> it to fail for anyone today.

Ok, fine with me.

Acked-by: Eric Paris <eparis@...hat.com>

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