tree 9ec97679c227394a44ebede5768f92d970cea6eb
parent 3f551f9436c05a3b5eccdd6e94733df5bb98d2a5
author Eric W. Biederman <ebiederm@xmission.com> 1276399814 +0000
committer David S. Miller <davem@davemloft.net> 1276725355 -0700

af_unix: Allow SO_PEERCRED to work across namespaces.

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: Daniel Lezcano <daniel.lezcano@free.fr>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>