1/* iptables module for using new netfilter netlink queue
2 *
3 * (C) 2005 by Harald Welte <laforge@netfilter.org>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 */
10
11#include <linux/module.h>
12#include <linux/skbuff.h>
13
14#include <linux/netfilter.h>
15#include <linux/netfilter_arp.h>
16#include <linux/netfilter/x_tables.h>
17#include <linux/netfilter/xt_NFQUEUE.h>
18
19MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
20MODULE_DESCRIPTION("[ip,ip6,arp]_tables NFQUEUE target");
21MODULE_LICENSE("GPL");
22MODULE_ALIAS("ipt_NFQUEUE");
23MODULE_ALIAS("ip6t_NFQUEUE");
24MODULE_ALIAS("arpt_NFQUEUE");
25
26static unsigned int
27target(struct sk_buff **pskb,
28       const struct net_device *in,
29       const struct net_device *out,
30       unsigned int hooknum,
31       const struct xt_target *target,
32       const void *targinfo)
33{
34	const struct xt_NFQ_info *tinfo = targinfo;
35
36	return NF_QUEUE_NR(tinfo->queuenum);
37}
38
39static struct xt_target xt_nfqueue_target[] = {
40	{
41		.name		= "NFQUEUE",
42		.family		= AF_INET,
43		.target		= target,
44		.targetsize	= sizeof(struct xt_NFQ_info),
45		.me		= THIS_MODULE,
46	},
47	{
48		.name		= "NFQUEUE",
49		.family		= AF_INET6,
50		.target		= target,
51		.targetsize	= sizeof(struct xt_NFQ_info),
52		.me		= THIS_MODULE,
53	},
54	{
55		.name		= "NFQUEUE",
56		.family		= NF_ARP,
57		.target		= target,
58		.targetsize	= sizeof(struct xt_NFQ_info),
59		.me		= THIS_MODULE,
60	},
61};
62
63static int __init xt_nfqueue_init(void)
64{
65	return xt_register_targets(xt_nfqueue_target,
66				   ARRAY_SIZE(xt_nfqueue_target));
67}
68
69static void __exit xt_nfqueue_fini(void)
70{
71	xt_unregister_targets(xt_nfqueue_target, ARRAY_SIZE(xt_nfqueue_target));
72}
73
74module_init(xt_nfqueue_init);
75module_exit(xt_nfqueue_fini);
76