2 * Transparent proxy support for Linux/iptables
4 * Copyright (c) 2006-2007 BalaBit IT Ltd.
5 * Author: Balazs Scheidler, Krisztian Kovacs
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
13 #include <linux/module.h>
15 #include <linux/net.h>
17 #include <linux/netdevice.h>
19 #include <net/netfilter/nf_tproxy_core.h>
23 nf_tproxy_destructor(struct sk_buff *skb)
25 struct sock *sk = skb->sk;
28 skb->destructor = NULL;
31 nf_tproxy_put_sock(sk);
36 nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk)
38 bool transparent = (sk->sk_state == TCP_TIME_WAIT) ?
39 inet_twsk(sk)->tw_transparent :
40 inet_sk(sk)->transparent;
45 skb->destructor = nf_tproxy_destructor;
48 nf_tproxy_put_sock(sk);
52 EXPORT_SYMBOL_GPL(nf_tproxy_assign_sock);
54 static int __init nf_tproxy_init(void)
56 pr_info("NF_TPROXY: Transparent proxy support initialized, version 4.1.0\n");
57 pr_info("NF_TPROXY: Copyright (c) 2006-2007 BalaBit IT Ltd.\n");
61 module_init(nf_tproxy_init);
63 MODULE_LICENSE("GPL");
64 MODULE_AUTHOR("Krisztian Kovacs");
65 MODULE_DESCRIPTION("Transparent proxy support core routines");