Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 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 |
YOSHIFUJI Hideaki | 601e68e | 2007-02-12 11:15:49 -0800 | [diff] [blame] | 6 | * it under the terms of the GNU General Public License version 2 as |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
YOSHIFUJI Hideaki | 601e68e | 2007-02-12 11:15:49 -0800 | [diff] [blame] | 8 | * |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 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>"); |
Jan Engelhardt | 2ae15b6 | 2008-01-14 23:42:28 -0800 | [diff] [blame^] | 20 | MODULE_DESCRIPTION("Xtables: packet forwarding to netlink"); |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 21 | MODULE_LICENSE("GPL"); |
| 22 | MODULE_ALIAS("ipt_NFQUEUE"); |
| 23 | MODULE_ALIAS("ip6t_NFQUEUE"); |
| 24 | MODULE_ALIAS("arpt_NFQUEUE"); |
| 25 | |
| 26 | static unsigned int |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 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) |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 30 | { |
| 31 | const struct xt_NFQ_info *tinfo = targinfo; |
| 32 | |
| 33 | return NF_QUEUE_NR(tinfo->queuenum); |
| 34 | } |
| 35 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 36 | static struct xt_target nfqueue_tg_reg[] __read_mostly = { |
Patrick McHardy | 4470bbc | 2006-08-22 00:34:04 -0700 | [diff] [blame] | 37 | { |
| 38 | .name = "NFQUEUE", |
| 39 | .family = AF_INET, |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 40 | .target = nfqueue_tg, |
Patrick McHardy | 4470bbc | 2006-08-22 00:34:04 -0700 | [diff] [blame] | 41 | .targetsize = sizeof(struct xt_NFQ_info), |
| 42 | .me = THIS_MODULE, |
| 43 | }, |
| 44 | { |
| 45 | .name = "NFQUEUE", |
| 46 | .family = AF_INET6, |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 47 | .target = nfqueue_tg, |
Patrick McHardy | 4470bbc | 2006-08-22 00:34:04 -0700 | [diff] [blame] | 48 | .targetsize = sizeof(struct xt_NFQ_info), |
| 49 | .me = THIS_MODULE, |
| 50 | }, |
| 51 | { |
| 52 | .name = "NFQUEUE", |
| 53 | .family = NF_ARP, |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 54 | .target = nfqueue_tg, |
Patrick McHardy | 4470bbc | 2006-08-22 00:34:04 -0700 | [diff] [blame] | 55 | .targetsize = sizeof(struct xt_NFQ_info), |
| 56 | .me = THIS_MODULE, |
| 57 | }, |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 58 | }; |
| 59 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 60 | static int __init nfqueue_tg_init(void) |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 61 | { |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 62 | return xt_register_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg)); |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 63 | } |
| 64 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 65 | static void __exit nfqueue_tg_exit(void) |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 66 | { |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 67 | xt_unregister_targets(nfqueue_tg_reg, ARRAY_SIZE(nfqueue_tg_reg)); |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 68 | } |
| 69 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 70 | module_init(nfqueue_tg_init); |
| 71 | module_exit(nfqueue_tg_exit); |