From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Lameter <cl@linux.com>
Subject: Re: [RFC] capabilities: Ambient capabilities
Date: Mon, 27 Apr 2015 09:55:51 -0500 (CDT)
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To: Andy Lutomirski <luto@amacapital.net>
Cc: Serge Hallyn <serge.hallyn@ubuntu.com>, Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, Andrew Lutomirski <luto@kernel.org>, Ted Ts'o <tytso@mit.edu>, Andrew Morton <akpm@linuxfoundation.org>, "Andrew G. Morgan" <morgan@kernel.org>, Linux API <linux-api@vger.kernel.org>, Mimi Zohar <zohar@linux.vnet.ibm.com>, Michael Kerrisk <mtk.manpages@gmail.com>, Austin S Hemmelgarn <ahferroin7@gmail.com>, linux-security-module <linux-security-module@vger.kernel.org>, Aaron Jones <aaronmdjones@gmail.com>, Serge Hallyn <serge.hallyn@canonical.com>, LKML <linux-kernel@vger.kernel.org>, Markku Savela <msa@moth.iki.fi>, Kees Cook <keescook@chromium.org>, Jonathan Corbet <corbet@lwn.net>
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On Fri, 24 Apr 2015, Andy Lutomirski wrote:

> Also, in my model you can do:
>
> $ sudo capset cap_whatever=eip something
> $ ./something
>
> and the program can make its cap be ambient and run a helper.  In the
> CAP_SETPCAP model, that doesn't work.

Dont see too much difference in setting caps and CAP_SETPCAP on
"./something" to allow it to set the ambient caps.