[PATCH net-next 7/8] netfilter: nf_nat: register tftp NAT helper.
From: Flavio Leitner <hidden>
Date: 2019-03-26 20:58:14
Also in:
netfilter-devel
Subsystem:
netfilter, networking [general], the rest · Maintainers:
Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Flavio Leitner <redacted> --- net/netfilter/nf_nat_tftp.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/net/netfilter/nf_nat_tftp.c b/net/netfilter/nf_nat_tftp.c
index 51673aa6e1dc..5a7af30e3e02 100644
--- a/net/netfilter/nf_nat_tftp.c
+++ b/net/netfilter/nf_nat_tftp.c@@ -18,6 +18,8 @@ MODULE_DESCRIPTION("TFTP NAT helper"); MODULE_LICENSE("GPL"); MODULE_ALIAS_NFCT_HELPER_NAT("tftp"); +static struct nf_conntrack_helper_nat helper_nat_tftp; + static unsigned int help(struct sk_buff *skb, enum ip_conntrack_info ctinfo, struct nf_conntrack_expect *exp)
@@ -37,6 +39,7 @@ static unsigned int help(struct sk_buff *skb, static void __exit nf_nat_tftp_fini(void) { + nf_conntrack_helper_nat_unregister(&helper_nat_tftp); RCU_INIT_POINTER(nf_nat_tftp_hook, NULL); synchronize_rcu(); }
@@ -44,6 +47,9 @@ static void __exit nf_nat_tftp_fini(void) static int __init nf_nat_tftp_init(void) { BUG_ON(nf_nat_tftp_hook != NULL); + nf_ct_helper_nat_init(&helper_nat_tftp, + NF_CT_NAT_HELPER_MOD_NAME("tftp"), THIS_MODULE); + nf_conntrack_helper_nat_register(&helper_nat_tftp); RCU_INIT_POINTER(nf_nat_tftp_hook, help); return 0; }
--
2.20.1