diff options
Diffstat (limited to 'net/ipv6/netfilter/ip6t_NFQUEUE.c')
-rw-r--r-- | net/ipv6/netfilter/ip6t_NFQUEUE.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/net/ipv6/netfilter/ip6t_NFQUEUE.c b/net/ipv6/netfilter/ip6t_NFQUEUE.c new file mode 100644 index 00000000000..c6e3730e740 --- /dev/null +++ b/net/ipv6/netfilter/ip6t_NFQUEUE.c @@ -0,0 +1,70 @@ +/* ip6tables 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_ipv6/ip6_tables.h> +#include <linux/netfilter_ipv4/ipt_NFQUEUE.h> + +MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>"); +MODULE_DESCRIPTION("ip6tables NFQUEUE target"); +MODULE_LICENSE("GPL"); + +static unsigned int +target(struct sk_buff **pskb, + const struct net_device *in, + const struct net_device *out, + unsigned int hooknum, + const void *targinfo, + void *userinfo) +{ + const struct ipt_NFQ_info *tinfo = targinfo; + + return NF_QUEUE_NR(tinfo->queuenum); +} + +static int +checkentry(const char *tablename, + const struct ip6t_entry *e, + void *targinfo, + unsigned int targinfosize, + unsigned int hook_mask) +{ + if (targinfosize != IP6T_ALIGN(sizeof(struct ipt_NFQ_info))) { + printk(KERN_WARNING "NFQUEUE: targinfosize %u != %Zu\n", + targinfosize, + IP6T_ALIGN(sizeof(struct ipt_NFQ_info))); + return 0; + } + + return 1; +} + +static struct ip6t_target ipt_NFQ_reg = { + .name = "NFQUEUE", + .target = target, + .checkentry = checkentry, + .me = THIS_MODULE, +}; + +static int __init init(void) +{ + return ip6t_register_target(&ipt_NFQ_reg); +} + +static void __exit fini(void) +{ + ip6t_unregister_target(&ipt_NFQ_reg); +} + +module_init(init); +module_exit(fini); |