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authorEric W. Biederman <ebiederm@xmission.com>2012-09-08 01:17:17 +0400
committerDavid S. Miller <davem@davemloft.net>2012-09-10 23:34:30 +0400
commitc6bb8136c95ce16545f8c4028e958c0ee6c86f23 (patch)
tree0ec3bd7a23eccd33e3f1857de1637715eb65c17d /net/xfrm
parent15e473046cb6e5d18a4d0057e61d76315230382b (diff)
downloadlinux-c6bb8136c95ce16545f8c4028e958c0ee6c86f23.tar.xz
xfrm: Report user triggered expirations against the users socket
When a policy expiration is triggered from user space the request travels through km_policy_expired and ultimately into xfrm_exp_policy_notify which calls build_polexpire. build_polexpire uses the netlink port passed to km_policy_expired as the source port for the netlink message it builds. When a state expiration is triggered from user space the request travles through km_state_expired and ultimately into xfrm_exp_state_notify which calls build_expire. build_expire uses the netlink port passed to km_state_expired as the source port for the netlink message it builds. Pass nlh->nlmsg_pid from the user generated netlink message that requested the expiration to km_policy_expired and km_state_expired instead of current->pid which is not a netlink port number. Cc: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_user.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b313d932d678..5d6eb4b3c089 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1930,7 +1930,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
// reset the timers here?
WARN(1, "Dont know what to do with soft policy expire\n");
}
- km_policy_expired(xp, p->dir, up->hard, current->pid);
+ km_policy_expired(xp, p->dir, up->hard, nlh->nlmsg_pid);
out:
xfrm_pol_put(xp);
@@ -1958,7 +1958,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
err = -EINVAL;
if (x->km.state != XFRM_STATE_VALID)
goto out;
- km_state_expired(x, ue->hard, current->pid);
+ km_state_expired(x, ue->hard, nlh->nlmsg_pid);
if (ue->hard) {
uid_t loginuid = audit_get_loginuid(current);