diff options
| author |   Eric W. Biederman <ebiederm@xmission.com> | 2010-06-13 03:30:14 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-06-16 14:55:55 -0700 |
| commit | 109f6e39fa07c48f580125f531f46cb7c245b528 (patch) | |
| tree | 9ec97679c227394a44ebede5768f92d970cea6eb /include | |
| parent | sock: Introduce cred_to_ucred (diff) | |
| download | linux-dev-109f6e39fa07c48f580125f531f46cb7c245b528.tar.xz linux-dev-109f6e39fa07c48f580125f531f46cb7c245b528.zip | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/sock.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index f8acf38f092f..4f26f2f83be9 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -295,7 +295,8 @@ struct sock { unsigned short sk_ack_backlog; unsigned short sk_max_ack_backlog; __u32 sk_priority; - struct ucred sk_peercred; + struct pid *sk_peer_pid; + const struct cred *sk_peer_cred; long sk_rcvtimeo; long sk_sndtimeo; struct sk_filter *sk_filter; |