linux-kernel - Re: [PATCH v2 1/2] capabilities: Ambient capabilities

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Message-ID: <555B9B79.9080806@gmail.com>
Date:	Tue, 19 May 2015 20:22:17 +0000
From:	Aaron Jones <aaronmdjones@...il.com>
To:	Andy Lutomirski <luto@...capital.net>,
	Christoph Lameter <cl@...ux.com>
CC:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	Ted Ts'o <tytso@....edu>,
	"Andrew G. Morgan" <morgan@...nel.org>,
	Andrew Morton <akpm@...uxfoundation.org>,
	Serge Hallyn <serge.hallyn@...ntu.com>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Linux API <linux-api@...r.kernel.org>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Markku Savela <msa@...h.iki.fi>,
	Kees Cook <keescook@...omium.org>,
	Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v2 1/2] capabilities: Ambient capabilities

On 19/05/15 20:07, Andy Lutomirski wrote:> It's in the cover letter,
rather vaguely.  I think I want to change
> the setpriv syntax a bit before sending it upstream, though -- it's
> sucks that you have to duplicate the option.
>
> Perhaps the ambient-caps option should implicitly raise inheritable
> caps if they're not already raised.  Or maybe the absence of an
> inh-caps rule should cause any requested ambient caps to be made
> inheritable as well.
>
> --Andy

I propose an additional --ambient-inh option to copy everything from
--inh-caps to the ambient set. Explicit is better than implicit.

-- 
Aaron Jones

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