linux-kernel - Re: [PATCH V6 05/10] audit: log creation and deletion of namespace instances

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Date:	Thu, 14 May 2015 23:23:09 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Richard Guy Briggs <rgb@...hat.com>
Cc:	Paul Moore <pmoore@...hat.com>, Steve Grubb <sgrubb@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linux Containers <containers@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-audit@...hat.com, Eric Paris <eparis@...isplace.org>,
	arozansk@...hat.com, "Serge E. Hallyn" <serge@...lyn.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	Linux API <linux-api@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH V6 05/10] audit: log creation and deletion of namespace instances

On Thu, May 14, 2015 at 7:32 PM, Richard Guy Briggs <rgb@...hat.com> wrote:
> On 15/05/14, Paul Moore wrote:
>> * Look at our existing audit records to determine which records should have
>> namespace and container ID tokens added.  We may only want to add the
>> additional fields in the case where the namespace/container ID tokens are not
>> the init namespace.
>
> If we have a record that ties a set of namespace IDs with a container
> ID, then I expect we only need to list the containerID along with auid
> and sessionID.

The problem here is that the kernel has no concept of a "container", and I
don't think it makes any sense to add one just for audit.  "Container" is a
marketing term used by some userspace tools.

I can imagine that both audit could benefit from a concept of a
namespace *path* that understands nesting (e.g. root/2/5/1 or
something along those lines).  Mapping these to "containers" belongs
in userspace, I think.

--Andy
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