tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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("Xtables: packet forwarding to netlink");
21MODULE_LICENSE("GPL");
22MODULE_ALIAS("ipt_NFQUEUE");
23MODULE_ALIAS("ip6t_NFQUEUE");
24MODULE_ALIAS("arpt_NFQUEUE");
25
26static unsigned int
27nfqueue_tg(struct sk_buff *skb, const struct net_device *in,
28 const struct net_device *out, unsigned int hooknum,
29 const struct xt_target *target, const void *targinfo)
30{
31 const struct xt_NFQ_info *tinfo = targinfo;
32
33 return NF_QUEUE_NR(tinfo->queuenum);
34}
35
36static struct xt_target nfqueue_tg_reg[] __read_mostly = {
37 {
38 .name = "NFQUEUE",
39 .family = AF_INET,
40 .target = nfqueue_tg,
41 .targetsize = sizeof(struct xt_NFQ_info),
42 .me = THIS_MODULE,
43 },
44 {
45 .name = "NFQUEUE",
46 .family = AF_INET6,
47 .target = nfqueue_tg,
48 .targetsize = sizeof(struct xt_NFQ_info),
49 .me = THIS_MODULE,
50 },
51 {
52 .name = "NFQUEUE",
53 .family = NF_ARP,
54 .target = nfqueue_tg,
55 .targetsize = sizeof(struct xt_NFQ_info),
56 .me = THIS_MODULE,
57 },
58};
59
60static int __init nfqueue_tg_init(void)
61{
62 return xt_register_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg));
63}
64
65static void __exit nfqueue_tg_exit(void)
66{
67 xt_unregister_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg));
68}
69
70module_init(nfqueue_tg_init);
71module_exit(nfqueue_tg_exit);