| /* iptables module for using new netfilter netlink queue |
| * |
| * (C) 2005 by Harald Welte <laforge@netfilter.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/skbuff.h> |
| |
| #include <linux/netfilter.h> |
| #include <linux/netfilter_arp.h> |
| #include <linux/netfilter/x_tables.h> |
| #include <linux/netfilter/xt_NFQUEUE.h> |
| |
| MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); |
| MODULE_DESCRIPTION("[ip,ip6,arp]_tables NFQUEUE target"); |
| MODULE_LICENSE("GPL"); |
| MODULE_ALIAS("ipt_NFQUEUE"); |
| MODULE_ALIAS("ip6t_NFQUEUE"); |
| MODULE_ALIAS("arpt_NFQUEUE"); |
| |
| static unsigned int |
| target(struct sk_buff **pskb, |
| const struct net_device *in, |
| const struct net_device *out, |
| unsigned int hooknum, |
| const struct xt_target *target, |
| const void *targinfo, |
| void *userinfo) |
| { |
| const struct xt_NFQ_info *tinfo = targinfo; |
| |
| return NF_QUEUE_NR(tinfo->queuenum); |
| } |
| |
| static struct xt_target ipt_NFQ_reg = { |
| .name = "NFQUEUE", |
| .target = target, |
| .targetsize = sizeof(struct xt_NFQ_info), |
| .family = AF_INET, |
| .me = THIS_MODULE, |
| }; |
| |
| static struct xt_target ip6t_NFQ_reg = { |
| .name = "NFQUEUE", |
| .target = target, |
| .targetsize = sizeof(struct xt_NFQ_info), |
| .family = AF_INET6, |
| .me = THIS_MODULE, |
| }; |
| |
| static struct xt_target arpt_NFQ_reg = { |
| .name = "NFQUEUE", |
| .target = target, |
| .targetsize = sizeof(struct xt_NFQ_info), |
| .family = NF_ARP, |
| .me = THIS_MODULE, |
| }; |
| |
| static int __init xt_nfqueue_init(void) |
| { |
| int ret; |
| ret = xt_register_target(&ipt_NFQ_reg); |
| if (ret) |
| return ret; |
| ret = xt_register_target(&ip6t_NFQ_reg); |
| if (ret) |
| goto out_ip; |
| ret = xt_register_target(&arpt_NFQ_reg); |
| if (ret) |
| goto out_ip6; |
| |
| return ret; |
| out_ip6: |
| xt_unregister_target(&ip6t_NFQ_reg); |
| out_ip: |
| xt_unregister_target(&ipt_NFQ_reg); |
| |
| return ret; |
| } |
| |
| static void __exit xt_nfqueue_fini(void) |
| { |
| xt_unregister_target(&arpt_NFQ_reg); |
| xt_unregister_target(&ip6t_NFQ_reg); |
| xt_unregister_target(&ipt_NFQ_reg); |
| } |
| |
| module_init(xt_nfqueue_init); |
| module_exit(xt_nfqueue_fini); |