1 /* iptables module for using new netfilter netlink queue
3 * (C) 2005 by Harald Welte <laforge@netfilter.org>
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.
11 #include <linux/module.h>
12 #include <linux/skbuff.h>
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>
19 MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
20 MODULE_DESCRIPTION("[ip,ip6,arp]_tables NFQUEUE target");
21 MODULE_LICENSE("GPL");
22 MODULE_ALIAS("ipt_NFQUEUE");
23 MODULE_ALIAS("ip6t_NFQUEUE");
24 MODULE_ALIAS("arpt_NFQUEUE");
27 target(struct sk_buff **pskb,
28 const struct net_device *in,
29 const struct net_device *out,
34 const struct xt_NFQ_info *tinfo = targinfo;
36 return NF_QUEUE_NR(tinfo->queuenum);
40 checkentry(const char *tablename,
43 unsigned int targinfosize,
44 unsigned int hook_mask)
46 if (targinfosize != XT_ALIGN(sizeof(struct xt_NFQ_info))) {
47 printk(KERN_WARNING "NFQUEUE: targinfosize %u != %Zu\n",
49 XT_ALIGN(sizeof(struct xt_NFQ_info)));
56 static struct xt_target ipt_NFQ_reg = {
59 .checkentry = checkentry,
63 static struct xt_target ip6t_NFQ_reg = {
66 .checkentry = checkentry,
70 static struct xt_target arpt_NFQ_reg = {
73 .checkentry = checkentry,
77 static int __init init(void)
80 ret = xt_register_target(AF_INET, &ipt_NFQ_reg);
83 ret = xt_register_target(AF_INET6, &ip6t_NFQ_reg);
86 ret = xt_register_target(NF_ARP, &arpt_NFQ_reg);
92 xt_unregister_target(AF_INET6, &ip6t_NFQ_reg);
94 xt_unregister_target(AF_INET, &ipt_NFQ_reg);
99 static void __exit fini(void)
101 xt_unregister_target(NF_ARP, &arpt_NFQ_reg);
102 xt_unregister_target(AF_INET6, &ip6t_NFQ_reg);
103 xt_unregister_target(AF_INET, &ipt_NFQ_reg);