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From: Pavel Emelyanov <xemul@openvz.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Miller <davem@davemloft.net>,
	Serge Hallyn <serue@us.ibm.com>,
	Linux Containers <containers@lists.osdl.org>,
	Daniel Lezcano <daniel.lezcano@free.fr>,
	netdev@vger.kernel.org
Subject: Re: [PATCH 4/8] af_unix: Allow SO_PEERCRED to work across namespaces.
Date: Tue, 15 Jun 2010 12:04:34 +0400	[thread overview]
Message-ID: <4C173412.1070606@openvz.org> (raw)
In-Reply-To: <m1r5kbgivt.fsf@fess.ebiederm.org>

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@xmission.com>

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

  parent reply	other threads:[~2010-06-15  8:04 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-13 13:25 [PATCH 0/8] Support unix domain sockets across namespaces Eric W. Biederman
2010-06-13 13:25 ` Eric W. Biederman
2010-06-13 13:27 ` [PATCH 1/8] scm: Reorder scm_cookie Eric W. Biederman
2010-06-13 13:27   ` Eric W. Biederman
2010-06-13 13:28   ` [PATCH 2/8] user_ns: Introduce user_nsmap_uid and user_ns_map_gid Eric W. Biederman
2010-06-13 13:28     ` Eric W. Biederman
     [not found]     ` <m17hm3hxjw.fsf_-_-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-06-15  8:02       ` Pavel Emelyanov
2010-06-15 22:37         ` Eric W. Biederman
2010-06-15 20:58     ` Serge E. Hallyn
2010-06-15  8:00   ` [PATCH 1/8] scm: Reorder scm_cookie Pavel Emelyanov
2010-06-13 13:28 ` [PATCH 3/8] sock: Introduce cred_to_ucred Eric W. Biederman
2010-06-13 13:28   ` Eric W. Biederman
2010-06-15  8:03   ` Pavel Emelyanov
2010-06-13 13:30 ` [PATCH 4/8] af_unix: Allow SO_PEERCRED to work across namespaces Eric W. Biederman
2010-06-13 13:30   ` Eric W. Biederman
2010-06-14 13:37   ` Daniel Lezcano
2010-06-15  8:04   ` Pavel Emelyanov [this message]
2010-06-13 13:31 ` [PATCH 5/8] af_netlink: Add needed scm_destroy after scm_send Eric W. Biederman
2010-06-13 13:31   ` Eric W. Biederman
2010-06-14 13:37   ` Daniel Lezcano
2010-06-15  8:06   ` Pavel Emelyanov
2010-06-13 13:32 ` [PATCH 6/8] scm: Capture the full credentials of the scm sender Eric W. Biederman
2010-06-13 13:32   ` Eric W. Biederman
2010-06-15  8:08   ` Pavel Emelyanov
2010-06-15  9:53     ` Eric W. Biederman
2010-06-15 21:45   ` Serge E. Hallyn
2010-06-15 22:08     ` Eric W. Biederman
2010-06-16  4:47       ` Serge E. Hallyn
2010-06-13 13:34 ` [PATCH 7/8] af_unix: Allow credentials to work across user and pid namespaces Eric W. Biederman
2010-06-13 13:34   ` Eric W. Biederman
     [not found]   ` <m17hm3giom.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-06-15  8:11     ` Pavel Emelyanov
2010-06-13 13:35 ` [PATCH 8/8] af_unix: Allow connecting to sockets in other network namespaces Eric W. Biederman
2010-06-13 13:35   ` Eric W. Biederman
2010-06-14 13:37   ` Daniel Lezcano
     [not found]   ` <m11vcbgimj.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-06-15  8:12     ` Pavel Emelyanov
2010-06-16 22:15 ` [PATCH 0/8] Support unix domain sockets across namespaces David Miller
2010-06-16 23:17   ` David Miller
2010-06-16 23:32     ` Eric W. Biederman

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