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2e4e6a17 HW |
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 | |
601e68e1 | 6 | * it under the terms of the GNU General Public License version 2 as |
2e4e6a17 | 7 | * published by the Free Software Foundation. |
601e68e1 | 8 | * |
2e4e6a17 HW |
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 | ||
19 | MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); | |
2ae15b64 | 20 | MODULE_DESCRIPTION("Xtables: packet forwarding to netlink"); |
2e4e6a17 HW |
21 | MODULE_LICENSE("GPL"); |
22 | MODULE_ALIAS("ipt_NFQUEUE"); | |
23 | MODULE_ALIAS("ip6t_NFQUEUE"); | |
24 | MODULE_ALIAS("arpt_NFQUEUE"); | |
25 | ||
26 | static unsigned int | |
d3c5ee6d JE |
27 | nfqueue_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) | |
2e4e6a17 HW |
30 | { |
31 | const struct xt_NFQ_info *tinfo = targinfo; | |
32 | ||
33 | return NF_QUEUE_NR(tinfo->queuenum); | |
34 | } | |
35 | ||
d3c5ee6d | 36 | static struct xt_target nfqueue_tg_reg[] __read_mostly = { |
4470bbc7 PM |
37 | { |
38 | .name = "NFQUEUE", | |
ee999d8b | 39 | .family = NFPROTO_IPV4, |
d3c5ee6d | 40 | .target = nfqueue_tg, |
4470bbc7 PM |
41 | .targetsize = sizeof(struct xt_NFQ_info), |
42 | .me = THIS_MODULE, | |
43 | }, | |
44 | { | |
45 | .name = "NFQUEUE", | |
ee999d8b | 46 | .family = NFPROTO_IPV6, |
d3c5ee6d | 47 | .target = nfqueue_tg, |
4470bbc7 PM |
48 | .targetsize = sizeof(struct xt_NFQ_info), |
49 | .me = THIS_MODULE, | |
50 | }, | |
51 | { | |
52 | .name = "NFQUEUE", | |
53 | .family = NF_ARP, | |
d3c5ee6d | 54 | .target = nfqueue_tg, |
4470bbc7 PM |
55 | .targetsize = sizeof(struct xt_NFQ_info), |
56 | .me = THIS_MODULE, | |
57 | }, | |
2e4e6a17 HW |
58 | }; |
59 | ||
d3c5ee6d | 60 | static int __init nfqueue_tg_init(void) |
2e4e6a17 | 61 | { |
d3c5ee6d | 62 | return xt_register_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg)); |
2e4e6a17 HW |
63 | } |
64 | ||
d3c5ee6d | 65 | static void __exit nfqueue_tg_exit(void) |
2e4e6a17 | 66 | { |
d3c5ee6d | 67 | xt_unregister_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg)); |
2e4e6a17 HW |
68 | } |
69 | ||
d3c5ee6d JE |
70 | module_init(nfqueue_tg_init); |
71 | module_exit(nfqueue_tg_exit); |