summaryrefslogtreecommitdiffstats
path: root/net/netfilter
diff options
context:
space:
mode:
authorAlexey Perevalov <a.perevalov@samsung.com>2014-07-30 19:17:55 +0400
committerPablo Neira Ayuso <pablo@netfilter.org>2014-07-30 18:16:56 +0200
commitd24675cb1fb0f4f5b44ce4ed9cf5c17caf0efa6b (patch)
tree574faa0e143b4e54daa21e44c6b5d58e31ca826e /net/netfilter
parentd4da843e6fad4f278fe82b075d8e394cff05c95c (diff)
downloadblackbird-obmc-linux-d24675cb1fb0f4f5b44ce4ed9cf5c17caf0efa6b.tar.gz
blackbird-obmc-linux-d24675cb1fb0f4f5b44ce4ed9cf5c17caf0efa6b.zip
netfilter: nfnetlink_acct: dump unmodified nfacct flags
NFNL_MSG_ACCT_GET_CTRZERO modifies dumped flags, in this case client see unmodified (uncleared) counter value and cleared overquota state - end user doesn't know anything about overquota state, unless end user subscribed on overquota report. Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nfnetlink_acct.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 2baa125c2e8d..11d863c8b11f 100644
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -129,6 +129,7 @@ nfnl_acct_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
struct nfgenmsg *nfmsg;
unsigned int flags = portid ? NLM_F_MULTI : 0;
u64 pkts, bytes;
+ u32 old_flags;
event |= NFNL_SUBSYS_ACCT << 8;
nlh = nlmsg_put(skb, portid, seq, event, sizeof(*nfmsg), flags);
@@ -143,6 +144,7 @@ nfnl_acct_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
if (nla_put_string(skb, NFACCT_NAME, acct->name))
goto nla_put_failure;
+ old_flags = acct->flags;
if (type == NFNL_MSG_ACCT_GET_CTRZERO) {
pkts = atomic64_xchg(&acct->pkts, 0);
bytes = atomic64_xchg(&acct->bytes, 0);
@@ -160,7 +162,7 @@ nfnl_acct_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
if (acct->flags & NFACCT_F_QUOTA) {
u64 *quota = (u64 *)acct->data;
- if (nla_put_be32(skb, NFACCT_FLAGS, htonl(acct->flags)) ||
+ if (nla_put_be32(skb, NFACCT_FLAGS, htonl(old_flags)) ||
nla_put_be64(skb, NFACCT_QUOTA, cpu_to_be64(*quota)))
goto nla_put_failure;
}
OpenPOWER on IntegriCloud