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path: root/net/ipv6/netfilter/ip6t_SYNPROXY.c
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Diffstat (limited to 'net/ipv6/netfilter/ip6t_SYNPROXY.c')
-rw-r--r--net/ipv6/netfilter/ip6t_SYNPROXY.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index 437af8c95277..cb6d42b03cb5 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -18,6 +18,7 @@
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_seqadj.h>
#include <net/netfilter/nf_conntrack_synproxy.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
static struct ipv6hdr *
synproxy_build_ip(struct net *net, struct sk_buff *skb,
@@ -405,6 +406,8 @@ static unsigned int ipv6_synproxy_hook(void *priv,
synproxy->isn = ntohl(th->ack_seq);
if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP)
synproxy->its = opts.tsecr;
+
+ nf_conntrack_event_cache(IPCT_SYNPROXY, ct);
break;
case TCP_CONNTRACK_SYN_RECV:
if (!th->syn || !th->ack)
@@ -413,8 +416,10 @@ static unsigned int ipv6_synproxy_hook(void *priv,
if (!synproxy_parse_options(skb, thoff, th, &opts))
return NF_DROP;
- if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP)
+ if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP) {
synproxy->tsoff = opts.tsval - synproxy->its;
+ nf_conntrack_event_cache(IPCT_SYNPROXY, ct);
+ }
opts.options &= ~(XT_SYNPROXY_OPT_MSS |
XT_SYNPROXY_OPT_WSCALE |
@@ -424,6 +429,7 @@ static unsigned int ipv6_synproxy_hook(void *priv,
synproxy_send_server_ack(net, state, skb, th, &opts);
nf_ct_seqadj_init(ct, ctinfo, synproxy->isn - ntohl(th->seq));
+ nf_conntrack_event_cache(IPCT_SEQADJ, ct);
swap(opts.tsval, opts.tsecr);
synproxy_send_client_ack(net, skb, th, &opts);