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From: Andy Lutomirski <luto@amacapital.net>
Date: Tue, 19 May 2015 13:23:50 -0700
Message-ID: <CALCETrU3jbtb6MqKHSwo=5PLoDi09HVdb=254kK++ezpCfcK6g@mail.gmail.com>
Subject: Re: [PATCH v2 1/2] capabilities: Ambient capabilities
To: Aaron Jones <aaronmdjones@gmail.com>
Cc: Christoph Lameter <cl@linux.com>,
        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>
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On Tue, May 19, 2015 at 1:22 PM, Aaron Jones <aaronmdjones@gmail.com> wrote:
> 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.

Seems reasonable.  I'll do something like that for v2.1.

--Andy
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