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authorEric W. Biederman <ebiederm@xmission.com>2012-05-25 13:42:45 -0600
committerEric W. Biederman <ebiederm@xmission.com>2012-08-14 21:55:28 -0700
commitaf4c6641f5ad445fe6d0832da42406dbd9a37ce4 (patch)
treed1ef8c8fafb5cde0f55b7efd174c3d2032a58180 /net/sched/cls_fw.c
parentuserns: nfnetlink_log: Report socket uids in the log sockets user namespace (diff)
downloadlinux-dev-af4c6641f5ad445fe6d0832da42406dbd9a37ce4.tar.xz
linux-dev-af4c6641f5ad445fe6d0832da42406dbd9a37ce4.zip
net sched: Pass the skb into change so it can access NETLINK_CB
cls_flow.c plays with uids and gids. Unless I misread that code it is possible for classifiers to depend on the specific uid and gid values. Therefore I need to know the user namespace of the netlink socket that is installing the packet classifiers. Pass in the rtnetlink skb so I can access the NETLINK_CB of the passed packet. In particular I want access to sk_user_ns(NETLINK_CB(in_skb).ssk). Pass in not the user namespace but the incomming rtnetlink skb into the the classifier change routines as that is generally the more useful parameter. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to '')
-rw-r--r--net/sched/cls_fw.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 8384a4797240..4075a0aef2aa 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -233,7 +233,8 @@ errout:
return err;
}
-static int fw_change(struct tcf_proto *tp, unsigned long base,
+static int fw_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle,
struct nlattr **tca,
unsigned long *arg)