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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 19 May 2015 13:23:50 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Aaron Jones <aaronmdjones@...il.com>
Cc:	Christoph Lameter <cl@...ux.com>,
	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 Tue, May 19, 2015 at 1:22 PM, Aaron Jones <aaronmdjones@...il.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/