linux-kernel - Re: [PATCH 1/5] kdbus: extend structures with security pointer for lsm

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Date:	Mon, 17 Nov 2014 02:47:32 +0100
From:	Karol Lewandowski <lmctlx@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	pmoore@...hat.com, jkosina@...e.cz, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org, john.stultz@...aro.org,
	arnd@...db.de, tj@...nel.org, desrt@...rt.ca,
	simon.mcvittie@...labora.co.uk, daniel@...que.org,
	dh.herrmann@...il.com, casey.schaufler@...el.com,
	marcel@...tmann.org, tixxdz@...ndz.org,
	javier.martinez@...labora.co.uk, alban.crequy@...labora.co.uk,
	linux-security-module@...r.kernel.org, r.krypa@...sung.com,
	Karol Lewandowski <k.lewandowsk@...sung.com>
Subject: Re: [PATCH 1/5] kdbus: extend structures with security pointer for
 lsm

On Fri, Oct 31, 2014 at 05:36:33PM +0100, Karol Lewandowski wrote:
> Signed-off-by: Karol Lewandowski <k.lewandowsk@...sung.com>
> ---
>  drivers/misc/kdbus/bus.h        | 2 ++
>  drivers/misc/kdbus/connection.h | 2 ++
>  drivers/misc/kdbus/domain.h     | 2 ++
>  3 files changed, 6 insertions(+)
> 
> diff --git a/drivers/misc/kdbus/bus.h b/drivers/misc/kdbus/bus.h
> index fd9d843..5c403ef 100644
> --- a/drivers/misc/kdbus/bus.h
> +++ b/drivers/misc/kdbus/bus.h
> @@ -49,6 +49,7 @@
>   * @conn_hash:		Map of connection IDs
>   * @monitors_list:	Connections that monitor this bus
>   * @meta:		Meta information about the bus creator
> + * @security:		LSM security blob
>   *
>   * A bus provides a "bus" endpoint / device node.
>   *
> @@ -84,6 +85,7 @@ struct kdbus_bus {
>  	struct list_head monitors_list;
>  
>  	struct kdbus_meta *meta;
> +	void *security;

One minor note - with possibility of LSM modules trying to access
these structures it would be worth to have kdbus headers in, say
include/linux/kdbus or similar globally accessible location.

Thanks
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