Message-ID: <555B9B79.9080806@gmail.com>
Date: Tue, 19 May 2015 20:22:17 +0000
From: Aaron Jones <aaronmdjones@gmail.com>
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To: Andy Lutomirski <luto@amacapital.net>, Christoph Lameter <cl@linux.com>
CC: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        "Ted Ts'o" <tytso@mit.edu>, "Andrew G. Morgan" <morgan@kernel.org>,
        Andrew Morton <akpm@linuxfoundation.org>,
        Serge Hallyn <serge.hallyn@ubuntu.com>,
        Michael Kerrisk <mtk.manpages@gmail.com>,
        Mimi Zohar <zohar@linux.vnet.ibm.com>,
        Linux API <linux-api@vger.kernel.org>,
        Austin S Hemmelgarn <ahferroin7@gmail.com>,
        linux-security-module <linux-security-module@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Serge Hallyn <serge.hallyn@canonical.com>,
        Markku Savela <msa@moth.iki.fi>, Kees Cook <keescook@chromium.org>,
        Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH v2 1/2] capabilities: Ambient capabilities
References: <cover.1431671529.git.luto@kernel.org> <cc4749638a21079cce12f9f30c806170558e56e5.1431671529.git.luto@kernel.org> <alpine.DEB.2.11.1505150916330.20103@gentwo.org> <CALCETrXKRt9MJQEZc=EEGMFB_vwKDQbZ7ReMNqE-5tRTxxJu2Q@mail.gmail.com> <alpine.DEB.2.11.1505191036490.28005@gentwo.org> <CALCETrV1+3ZuL0MkqQaRoQ8r2V=EcQQEodOdCdP0p-BK1PixGg@mail.gmail.com> <alpine.DEB.2.11.1505191502570.31044@gentwo.org> <CALCETrW6DndOnC5ego+R5rwjoXeFo04cSO4Z2qZnhiJpEPBE=Q@mail.gmail.com>
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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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