| Message ID | 1266252393-20911-3-git-send-email-fw@strlen.de |
|---|---|
| State | Superseded, archived |
| Delegated to: | David Miller |
| Headers | show |
On Mon, 2010-02-15 at 17:46 +0100, Florian Westphal wrote: > This allows the netlink processing context to determine if the data > needs any 32 bit fixups. > --- a/include/linux/netlink.h > +++ b/include/linux/netlink.h > @@ -164,6 +164,7 @@ struct netlink_skb_parms { > __u32 loginuid; /* Login (audit) uid */ > __u32 sessionid; /* Session id (audit) */ > __u32 sid; /* SELinux security id */ > + __u8 msg_compat; /* Message needs 32bit fixups */ bool? johannes
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index fde27c0..8b30c01 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -164,6 +164,7 @@ struct netlink_skb_parms { __u32 loginuid; /* Login (audit) uid */ __u32 sessionid; /* Session id (audit) */ __u32 sid; /* SELinux security id */ + __u8 msg_compat; /* Message needs 32bit fixups */ }; #define NETLINK_CB(skb) (*(struct netlink_skb_parms*)&((skb)->cb)) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 4910031..5ff97cf 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1328,6 +1328,9 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock, NETLINK_CB(skb).dst_group = dst_group; NETLINK_CB(skb).loginuid = audit_get_loginuid(current); NETLINK_CB(skb).sessionid = audit_get_sessionid(current); +#ifdef CONFIG_COMPAT_NETLINK_MESSAGES + NETLINK_CB(skb).msg_compat = !!(msg->msg_flags & MSG_CMSG_COMPAT); +#endif security_task_getsecid(current, &(NETLINK_CB(skb).sid)); memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
This allows the netlink processing context to determine if the data needs any 32 bit fixups. Signed-off-by: Florian Westphal <fw@strlen.de> --- include/linux/netlink.h | 1 + net/netlink/af_netlink.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-)