netdev - Re: Could I export the udp socket security contexts to /proc/net/udp

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Date:	Wed, 3 Aug 2011 16:07:46 +0800
From:	Rongqing Li <rongqing.li@...driver.com>
To:	David Miller <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: Re: Could I export the udp socket security contexts to /proc/net/udp

Hi David:

Could you give some comments to my thought?

Thanks very much

Br


On 07/28/2011 01:38 PM, Rongqing Li wrote:
> Hi Linux-netdev folks:
>
> Could I export the socket security contexts to udp, tcp, raw,
> unix file under /proc/net/?
>
>
> If can not, Could you tell me where and how I should export this
> information to?
>
>
> The element sk_security of struct sock represents the socket
> security context ID, which is inheriting from the process which
> creates this socket most of the time.
>
>
> but when SELinux type_transition rule is applied to socket, or
> application sets /proc/xxx/attr/createsock, the socket security
> context would be different from the creating process. on this
> condition, the "netstat -Z" will return wrong value, since
> "netstat -Z" only returns the process security context as socket
> process security.
>
>
> I want to fix "netstat -Z", but first the kernel must export this
> information, like /proc/xxx/attr/current is the process security
> context. So I have this requirement.
>
>
> Expect your instruction.
>
> Thanks.
>

-- 
Best Reagrds,
Roy | RongQing Li
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