netdev - Re: [PATCH 4/8] af_unix: Allow SO_PEERCRED to work across namespaces.

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Message-ID: <4C173412.1070606@openvz.org>
Date:	Tue, 15 Jun 2010 12:04:34 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	David Miller <davem@...emloft.net>,
	Serge Hallyn <serue@...ibm.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Daniel Lezcano <daniel.lezcano@...e.fr>, netdev@...r.kernel.org
Subject: Re: [PATCH 4/8] af_unix: Allow SO_PEERCRED to work across namespaces.

On 06/13/2010 05:30 PM, Eric W. Biederman wrote:
> 
> Use struct pid and struct cred to store the peer credentials on struct
> sock.  This gives enough information to convert the peer credential
> information to a value relative to whatever namespace the socket is in
> at the time.
> 
> This removes nasty surprises when using SO_PEERCRED on socket
> connetions where the processes on either side are in different pid and
> user namespaces.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>

Acked-by: Pavel Emelyanov <xemul@...nvz.org>
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