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path: root/net/ipv4/netfilter/ip_conntrack_netlink.c
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Diffstat (limited to 'net/ipv4/netfilter/ip_conntrack_netlink.c')
-rw-r--r--net/ipv4/netfilter/ip_conntrack_netlink.c76
1 files changed, 18 insertions, 58 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 0d4cc92391f..52eddea27e9 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -329,11 +329,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
/* dump everything */
events = ~0UL;
group = NFNLGRP_CONNTRACK_NEW;
- } else if (events & (IPCT_STATUS |
- IPCT_PROTOINFO |
- IPCT_HELPER |
- IPCT_HELPINFO |
- IPCT_NATINFO)) {
+ } else if (events & (IPCT_STATUS | IPCT_PROTOINFO)) {
type = IPCTNL_MSG_CT_NEW;
group = NFNLGRP_CONNTRACK_UPDATE;
} else
@@ -385,6 +381,10 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
goto nfattr_failure;
+ if (events & IPCT_MARK
+ && ctnetlink_dump_mark(skb, ct) < 0)
+ goto nfattr_failure;
+
nlh->nlmsg_len = skb->tail - b;
nfnetlink_send(skb, 0, group, 0);
return NOTIFY_DONE;
@@ -436,6 +436,11 @@ restart:
cb->args[1] = (unsigned long)ct;
goto out;
}
+#ifdef CONFIG_NF_CT_ACCT
+ if (NFNL_MSG_TYPE(cb->nlh->nlmsg_type) ==
+ IPCTNL_MSG_CT_GET_CTRZERO)
+ memset(&ct->counters, 0, sizeof(ct->counters));
+#endif
}
if (cb->args[1]) {
cb->args[1] = 0;
@@ -451,46 +456,6 @@ out:
return skb->len;
}
-#ifdef CONFIG_IP_NF_CT_ACCT
-static int
-ctnetlink_dump_table_w(struct sk_buff *skb, struct netlink_callback *cb)
-{
- struct ip_conntrack *ct = NULL;
- struct ip_conntrack_tuple_hash *h;
- struct list_head *i;
- u_int32_t *id = (u_int32_t *) &cb->args[1];
-
- DEBUGP("entered %s, last bucket=%u id=%u\n", __FUNCTION__,
- cb->args[0], *id);
-
- write_lock_bh(&ip_conntrack_lock);
- for (; cb->args[0] < ip_conntrack_htable_size; cb->args[0]++, *id = 0) {
- list_for_each_prev(i, &ip_conntrack_hash[cb->args[0]]) {
- h = (struct ip_conntrack_tuple_hash *) i;
- if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
- continue;
- ct = tuplehash_to_ctrack(h);
- if (ct->id <= *id)
- continue;
- if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- IPCTNL_MSG_CT_NEW,
- 1, ct) < 0)
- goto out;
- *id = ct->id;
-
- memset(&ct->counters, 0, sizeof(ct->counters));
- }
- }
-out:
- write_unlock_bh(&ip_conntrack_lock);
-
- DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
-
- return skb->len;
-}
-#endif
-
static const size_t cta_min_ip[CTA_IP_MAX] = {
[CTA_IP_V4_SRC-1] = sizeof(u_int32_t),
[CTA_IP_V4_DST-1] = sizeof(u_int32_t),
@@ -775,22 +740,14 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
if (msg->nfgen_family != AF_INET)
return -EAFNOSUPPORT;
- if (NFNL_MSG_TYPE(nlh->nlmsg_type) ==
- IPCTNL_MSG_CT_GET_CTRZERO) {
-#ifdef CONFIG_IP_NF_CT_ACCT
- if ((*errp = netlink_dump_start(ctnl, skb, nlh,
- ctnetlink_dump_table_w,
- ctnetlink_done)) != 0)
- return -EINVAL;
-#else
+#ifndef CONFIG_IP_NF_CT_ACCT
+ if (NFNL_MSG_TYPE(nlh->nlmsg_type) == IPCTNL_MSG_CT_GET_CTRZERO)
return -ENOTSUPP;
#endif
- } else {
- if ((*errp = netlink_dump_start(ctnl, skb, nlh,
- ctnetlink_dump_table,
- ctnetlink_done)) != 0)
+ if ((*errp = netlink_dump_start(ctnl, skb, nlh,
+ ctnetlink_dump_table,
+ ctnetlink_done)) != 0)
return -EINVAL;
- }
rlen = NLMSG_ALIGN(nlh->nlmsg_len);
if (rlen > skb->len)
@@ -1253,6 +1210,9 @@ static int ctnetlink_expect_event(struct notifier_block *this,
} else
return NOTIFY_DONE;
+ if (!nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
+ return NOTIFY_DONE;
+
skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
if (!skb)
return NOTIFY_DONE;