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
;
36 nf_tproxy_assign_sock(struct sk_buff
*skb
, struct sock
*sk
)
38 /* assigning tw sockets complicates things; most
39 * skb->sk->X checks would have to test sk->sk_state first */
40 if (sk
->sk_state
== TCP_TIME_WAIT
) {
41 inet_twsk_put(inet_twsk(sk
));
47 skb
->destructor
= nf_tproxy_destructor
;
49 EXPORT_SYMBOL_GPL(nf_tproxy_assign_sock
);
51 static int __init
nf_tproxy_init(void)
53 pr_info("NF_TPROXY: Transparent proxy support initialized, version 4.1.0\n");
54 pr_info("NF_TPROXY: Copyright (c) 2006-2007 BalaBit IT Ltd.\n");
58 module_init(nf_tproxy_init
);
60 MODULE_LICENSE("GPL");
61 MODULE_AUTHOR("Krisztian Kovacs");
62 MODULE_DESCRIPTION("Transparent proxy support core routines");