[deliverable/linux.git] / net / netfilter / ipset / ip_set_hash_netportnet.c

/* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
 *
 * 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.
 */

/* Kernel module implementing an IP set type: the hash:ip,port,net type */

#include <linux/jhash.h>
#include <linux/module.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
#include <linux/errno.h>
#include <linux/random.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/netlink.h>
#include <net/tcp.h>

#include <linux/netfilter.h>
#include <linux/netfilter/ipset/pfxlen.h>
#include <linux/netfilter/ipset/ip_set.h>
#include <linux/netfilter/ipset/ip_set_getport.h>
#include <linux/netfilter/ipset/ip_set_hash.h>

#define IPSET_TYPE_REV_MIN	0
/*				0    Comments support added */
/*				1    Forceadd support added */
#define IPSET_TYPE_REV_MAX	2 /* skbinfo support added */

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
MODULE_ALIAS("ip_set_hash:net,port,net");

/* Type specific function prefix */
#define HTYPE		hash_netportnet
#define IP_SET_HASH_WITH_PROTO
#define IP_SET_HASH_WITH_NETS
#define IPSET_NET_COUNT 2

/* IPv4 variant */

/* Member elements */
struct hash_netportnet4_elem {
	union {
		__be32 ip[2];
		__be64 ipcmp;
	};
	__be16 port;
	union {
		u8 cidr[2];
		u16 ccmp;
	};
	u16 padding;
	u8 nomatch;
	u8 proto;
};

/* Common functions */

static inline bool
hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
			   const struct hash_netportnet4_elem *ip2,
			   u32 *multi)
{
	return ip1->ipcmp == ip2->ipcmp &&
	       ip1->ccmp == ip2->ccmp &&
	       ip1->port == ip2->port &&
	       ip1->proto == ip2->proto;
}

static inline int
hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
{
	return elem->nomatch ? -ENOTEMPTY : 1;
}

static inline void
hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
{
	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
}

static inline void
hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
{
	swap(*flags, elem->nomatch);
}

static inline void
hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
				struct hash_netportnet4_elem *orig)
{
	elem->ip[1] = orig->ip[1];
}

static inline void
hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
			      u8 cidr, bool inner)
{
	if (inner) {
		elem->ip[1] &= ip_set_netmask(cidr);
		elem->cidr[1] = cidr;
	} else {
		elem->ip[0] &= ip_set_netmask(cidr);
		elem->cidr[0] = cidr;
	}
}

static bool
hash_netportnet4_data_list(struct sk_buff *skb,
			  const struct hash_netportnet4_elem *data)
{
	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;

	if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
	    nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
	    nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
	    nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
	    (flags &&
	     nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
		goto nla_put_failure;
	return false;

nla_put_failure:
	return true;
}

static inline void
hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
			  const struct hash_netportnet4_elem *d)
{
	next->ipcmp = d->ipcmp;
	next->port = d->port;
}

#define MTYPE		hash_netportnet4
#define HOST_MASK	32
#include "ip_set_hash_gen.h"

static int
hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
		     const struct xt_action_param *par,
		     enum ipset_adt adt, struct ip_set_adt_opt *opt)
{
	const struct hash_netportnet *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_netportnet4_elem e = { };
	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

	e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
	e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
	if (adt == IPSET_TEST)
		e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;

	if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
				 &e.port, &e.proto))
		return -EINVAL;

	ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
	ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
	e.ip[0] &= ip_set_netmask(e.cidr[0]);
	e.ip[1] &= ip_set_netmask(e.cidr[1]);

	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
}

static int
hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
		     enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
	const struct hash_netportnet *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_netportnet4_elem e = { };
	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
	u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
	bool with_ports = false;
	u8 cidr, cidr2;
	int ret;

	if (tb[IPSET_ATTR_LINENO])
		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);

	e.cidr[0] = e.cidr[1] = HOST_MASK;
	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
		return -IPSET_ERR_PROTOCOL;

	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
	if (ret)
		return ret;

	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
	if (ret)
		return ret;

	ret = ip_set_get_extensions(set, tb, &ext);
	if (ret)
		return ret;

	if (tb[IPSET_ATTR_CIDR]) {
		cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
		if (!cidr || cidr > HOST_MASK)
			return -IPSET_ERR_INVALID_CIDR;
		e.cidr[0] = cidr;
	}

	if (tb[IPSET_ATTR_CIDR2]) {
		cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
		if (!cidr || cidr > HOST_MASK)
			return -IPSET_ERR_INVALID_CIDR;
		e.cidr[1] = cidr;
	}

	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);

	if (tb[IPSET_ATTR_PROTO]) {
		e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
		with_ports = ip_set_proto_with_ports(e.proto);

		if (e.proto == 0)
			return -IPSET_ERR_INVALID_PROTO;
	} else
		return -IPSET_ERR_MISSING_PROTO;

	if (!(with_ports || e.proto == IPPROTO_ICMP))
		e.port = 0;

	if (tb[IPSET_ATTR_CADT_FLAGS]) {
		u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
		if (cadt_flags & IPSET_FLAG_NOMATCH)
			flags |= (IPSET_FLAG_NOMATCH << 16);
	}

	with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
	if (adt == IPSET_TEST ||
	    !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
		e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
		e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
		ret = adtfn(set, &e, &ext, &ext, flags);
		return ip_set_enomatch(ret, flags, adt, set) ? -ret :
		       ip_set_eexist(ret, flags) ? 0 : ret;
	}

	ip_to = ip;
	if (tb[IPSET_ATTR_IP_TO]) {
		ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
		if (ret)
			return ret;
		if (ip > ip_to)
			swap(ip, ip_to);
		if (unlikely(ip + UINT_MAX == ip_to))
			return -IPSET_ERR_HASH_RANGE;
	} else
		ip_set_mask_from_to(ip, ip_to, e.cidr[0]);

	port_to = port = ntohs(e.port);
	if (tb[IPSET_ATTR_PORT_TO]) {
		port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
		if (port > port_to)
			swap(port, port_to);
	}

	ip2_to = ip2_from;
	if (tb[IPSET_ATTR_IP2_TO]) {
		ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
		if (ret)
			return ret;
		if (ip2_from > ip2_to)
			swap(ip2_from, ip2_to);
		if (unlikely(ip2_from + UINT_MAX == ip2_to))
			return -IPSET_ERR_HASH_RANGE;
	} else
		ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);

	if (retried)
		ip = ntohl(h->next.ip[0]);

	while (!after(ip, ip_to)) {
		e.ip[0] = htonl(ip);
		ip_last = ip_set_range_to_cidr(ip, ip_to, &cidr);
		e.cidr[0] = cidr;
		p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
							  : port;
		for (; p <= port_to; p++) {
			e.port = htons(p);
			ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
			       p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
							 : ip2_from;
			while (!after(ip2, ip2_to)) {
				e.ip[1] = htonl(ip2);
				ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
								&cidr2);
				e.cidr[1] = cidr2;
				ret = adtfn(set, &e, &ext, &ext, flags);
				if (ret && !ip_set_eexist(ret, flags))
					return ret;
				else
					ret = 0;
				ip2 = ip2_last + 1;
			}
		}
		ip = ip_last + 1;
	}
	return ret;
}

/* IPv6 variant */

struct hash_netportnet6_elem {
	union nf_inet_addr ip[2];
	__be16 port;
	union {
		u8 cidr[2];
		u16 ccmp;
	};
	u16 padding;
	u8 nomatch;
	u8 proto;
};

/* Common functions */

static inline bool
hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
			   const struct hash_netportnet6_elem *ip2,
			   u32 *multi)
{
	return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
	       ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
	       ip1->ccmp == ip2->ccmp &&
	       ip1->port == ip2->port &&
	       ip1->proto == ip2->proto;
}

static inline int
hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
{
	return elem->nomatch ? -ENOTEMPTY : 1;
}

static inline void
hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
{
	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
}

static inline void
hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
{
	swap(*flags, elem->nomatch);
}

static inline void
hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
				struct hash_netportnet6_elem *orig)
{
	elem->ip[1] = orig->ip[1];
}

static inline void
hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
			      u8 cidr, bool inner)
{
	if (inner) {
		ip6_netmask(&elem->ip[1], cidr);
		elem->cidr[1] = cidr;
	} else {
		ip6_netmask(&elem->ip[0], cidr);
		elem->cidr[0] = cidr;
	}
}

static bool
hash_netportnet6_data_list(struct sk_buff *skb,
			  const struct hash_netportnet6_elem *data)
{
	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;

	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
	    nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
	    nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
	    nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
	    (flags &&
	     nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
		goto nla_put_failure;
	return false;

nla_put_failure:
	return true;
}

static inline void
hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
			  const struct hash_netportnet6_elem *d)
{
	next->port = d->port;
}

#undef MTYPE
#undef HOST_MASK

#define MTYPE		hash_netportnet6
#define HOST_MASK	128
#define IP_SET_EMIT_CREATE
#include "ip_set_hash_gen.h"

static int
hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
		     const struct xt_action_param *par,
		     enum ipset_adt adt, struct ip_set_adt_opt *opt)
{
	const struct hash_netportnet *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_netportnet6_elem e = { };
	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

	e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
	e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
	if (adt == IPSET_TEST)
		e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;

	if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
				 &e.port, &e.proto))
		return -EINVAL;

	ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
	ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
	ip6_netmask(&e.ip[0], e.cidr[0]);
	ip6_netmask(&e.ip[1], e.cidr[1]);

	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
}

static int
hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
		     enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
	const struct hash_netportnet *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_netportnet6_elem e = { };
	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	u32 port, port_to;
	bool with_ports = false;
	int ret;

	if (tb[IPSET_ATTR_LINENO])
		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);

	e.cidr[0] = e.cidr[1] = HOST_MASK;
	if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
		return -IPSET_ERR_PROTOCOL;
	if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
		return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;

	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
	if (ret)
		return ret;

	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
	if (ret)
		return ret;

	ret = ip_set_get_extensions(set, tb, &ext);
	if (ret)
		return ret;

	if (tb[IPSET_ATTR_CIDR])
		e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);

	if (tb[IPSET_ATTR_CIDR2])
		e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);

	if (unlikely(!e.cidr[0] || e.cidr[0] > HOST_MASK || !e.cidr[1] ||
		     e.cidr[1] > HOST_MASK))
		return -IPSET_ERR_INVALID_CIDR;

	ip6_netmask(&e.ip[0], e.cidr[0]);
	ip6_netmask(&e.ip[1], e.cidr[1]);

	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);

	if (tb[IPSET_ATTR_PROTO]) {
		e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
		with_ports = ip_set_proto_with_ports(e.proto);

		if (e.proto == 0)
			return -IPSET_ERR_INVALID_PROTO;
	} else
		return -IPSET_ERR_MISSING_PROTO;

	if (!(with_ports || e.proto == IPPROTO_ICMPV6))
		e.port = 0;

	if (tb[IPSET_ATTR_CADT_FLAGS]) {
		u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
		if (cadt_flags & IPSET_FLAG_NOMATCH)
			flags |= (IPSET_FLAG_NOMATCH << 16);
	}

	if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
		ret = adtfn(set, &e, &ext, &ext, flags);
		return ip_set_enomatch(ret, flags, adt, set) ? -ret :
		       ip_set_eexist(ret, flags) ? 0 : ret;
	}

	port = ntohs(e.port);
	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	if (port > port_to)
		swap(port, port_to);

	if (retried)
		port = ntohs(h->next.port);
	for (; port <= port_to; port++) {
		e.port = htons(port);
		ret = adtfn(set, &e, &ext, &ext, flags);

		if (ret && !ip_set_eexist(ret, flags))
			return ret;
		else
			ret = 0;
	}
	return ret;
}

static struct ip_set_type hash_netportnet_type __read_mostly = {
	.name		= "hash:net,port,net",
	.protocol	= IPSET_PROTOCOL,
	.features	= IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
			  IPSET_TYPE_NOMATCH,
	.dimension	= IPSET_DIM_THREE,
	.family		= NFPROTO_UNSPEC,
	.revision_min	= IPSET_TYPE_REV_MIN,
	.revision_max	= IPSET_TYPE_REV_MAX,
	.create		= hash_netportnet_create,
	.create_policy	= {
		[IPSET_ATTR_HASHSIZE]	= { .type = NLA_U32 },
		[IPSET_ATTR_MAXELEM]	= { .type = NLA_U32 },
		[IPSET_ATTR_PROBES]	= { .type = NLA_U8 },
		[IPSET_ATTR_RESIZE]	= { .type = NLA_U8  },
		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
		[IPSET_ATTR_CADT_FLAGS]	= { .type = NLA_U32 },
	},
	.adt_policy	= {
		[IPSET_ATTR_IP]		= { .type = NLA_NESTED },
		[IPSET_ATTR_IP_TO]	= { .type = NLA_NESTED },
		[IPSET_ATTR_IP2]	= { .type = NLA_NESTED },
		[IPSET_ATTR_IP2_TO]	= { .type = NLA_NESTED },
		[IPSET_ATTR_PORT]	= { .type = NLA_U16 },
		[IPSET_ATTR_PORT_TO]	= { .type = NLA_U16 },
		[IPSET_ATTR_CIDR]	= { .type = NLA_U8 },
		[IPSET_ATTR_CIDR2]	= { .type = NLA_U8 },
		[IPSET_ATTR_PROTO]	= { .type = NLA_U8 },
		[IPSET_ATTR_CADT_FLAGS]	= { .type = NLA_U32 },
		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
		[IPSET_ATTR_LINENO]	= { .type = NLA_U32 },
		[IPSET_ATTR_BYTES]	= { .type = NLA_U64 },
		[IPSET_ATTR_PACKETS]	= { .type = NLA_U64 },
		[IPSET_ATTR_COMMENT]	= { .type = NLA_NUL_STRING,
					    .len  = IPSET_MAX_COMMENT_SIZE },
		[IPSET_ATTR_SKBMARK]	= { .type = NLA_U64 },
		[IPSET_ATTR_SKBPRIO]	= { .type = NLA_U32 },
		[IPSET_ATTR_SKBQUEUE]	= { .type = NLA_U16 },
	},
	.me		= THIS_MODULE,
};

static int __init
hash_netportnet_init(void)
{
	return ip_set_type_register(&hash_netportnet_type);
}

static void __exit
hash_netportnet_fini(void)
{
	ip_set_type_unregister(&hash_netportnet_type);
}

module_init(hash_netportnet_init);
module_exit(hash_netportnet_fini);
Commit	Line	Data
7c3ad056 OS	1	/* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
	2	*
	3	* This program is free software; you can redistribute it and/or modify
	4	* it under the terms of the GNU General Public License version 2 as
	5	* published by the Free Software Foundation.
	6	*/
	7
	8	/* Kernel module implementing an IP set type: the hash:ip,port,net type */
	9
	10	#include <linux/jhash.h>
	11	#include <linux/module.h>
	12	#include <linux/ip.h>
	13	#include <linux/skbuff.h>
	14	#include <linux/errno.h>
	15	#include <linux/random.h>
	16	#include <net/ip.h>
	17	#include <net/ipv6.h>
	18	#include <net/netlink.h>
	19	#include <net/tcp.h>
	20
	21	#include <linux/netfilter.h>
	22	#include <linux/netfilter/ipset/pfxlen.h>
	23	#include <linux/netfilter/ipset/ip_set.h>
	24	#include <linux/netfilter/ipset/ip_set_getport.h>
	25	#include <linux/netfilter/ipset/ip_set_hash.h>
	26
	27	#define IPSET_TYPE_REV_MIN 0
07cf8f5a	28	/* 0 Comments support added */
af331419 AD	29	/* 1 Forceadd support added */
af331419 AD	30	#define IPSET_TYPE_REV_MAX 2 /* skbinfo support added */
7c3ad056 OS	31
	32	MODULE_LICENSE("GPL");
	33	MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
	34	IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
	35	MODULE_ALIAS("ip_set_hash:net,port,net");
	36
	37	/* Type specific function prefix */
	38	#define HTYPE hash_netportnet
	39	#define IP_SET_HASH_WITH_PROTO
	40	#define IP_SET_HASH_WITH_NETS
	41	#define IPSET_NET_COUNT 2
	42
	43	/* IPv4 variant */
	44
	45	/* Member elements */
	46	struct hash_netportnet4_elem {
	47	union {
	48	__be32 ip[2];
	49	__be64 ipcmp;
	50	};
	51	__be16 port;
	52	union {
	53	u8 cidr[2];
	54	u16 ccmp;
	55	};
cac37639	56	u16 padding;
2b67d6e0	57	u8 nomatch;
7c3ad056 OS	58	u8 proto;
	59	};
	60
	61	/* Common functions */
	62
	63	static inline bool
	64	hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
	65	const struct hash_netportnet4_elem *ip2,
	66	u32 *multi)
	67	{
	68	return ip1->ipcmp == ip2->ipcmp &&
	69	ip1->ccmp == ip2->ccmp &&
	70	ip1->port == ip2->port &&
	71	ip1->proto == ip2->proto;
	72	}
	73
	74	static inline int
	75	hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
	76	{
	77	return elem->nomatch ? -ENOTEMPTY : 1;
	78	}
	79
	80	static inline void
	81	hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
	82	{
	83	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
	84	}
	85
	86	static inline void
	87	hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem elem, u8 flags)
	88	{
	89	swap(*flags, elem->nomatch);
	90	}
	91
	92	static inline void
	93	hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
	94	struct hash_netportnet4_elem *orig)
	95	{
	96	elem->ip[1] = orig->ip[1];
	97	}
	98
	99	static inline void
	100	hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
	101	u8 cidr, bool inner)
	102	{
	103	if (inner) {
	104	elem->ip[1] &= ip_set_netmask(cidr);
	105	elem->cidr[1] = cidr;
	106	} else {
	107	elem->ip[0] &= ip_set_netmask(cidr);
	108	elem->cidr[0] = cidr;
	109	}
	110	}
	111
	112	static bool
	113	hash_netportnet4_data_list(struct sk_buff *skb,
	114	const struct hash_netportnet4_elem *data)
	115	{
	116	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
	117
	118	if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) \|\|
	119	nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) \|\|
	120	nla_put_net16(skb, IPSET_ATTR_PORT, data->port) \|\|
	121	nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) \|\|
122	nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) \|\|
123	nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) \|\|
124	(flags &&
125	nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
126	goto nla_put_failure;
728a7e69	127	return false;
7c3ad056 OS	128
7c3ad056 OS	129	nla_put_failure:
728a7e69	130	return true;
7c3ad056 OS	131	}
	132
	133	static inline void
	134	hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
	135	const struct hash_netportnet4_elem *d)
	136	{
	137	next->ipcmp = d->ipcmp;
	138	next->port = d->port;
	139	}
	140
	141	#define MTYPE hash_netportnet4
7c3ad056 OS	142	#define HOST_MASK 32
	143	#include "ip_set_hash_gen.h"
	144
	145	static int
	146	hash_netportnet4_kadt(struct ip_set set, const struct sk_buff skb,
	147	const struct xt_action_param *par,
	148	enum ipset_adt adt, struct ip_set_adt_opt *opt)
	149	{
	150	const struct hash_netportnet *h = set->data;
	151	ipset_adtfn adtfn = set->variant->adt[adt];
1a869205	152	struct hash_netportnet4_elem e = { };
7c3ad056 OS	153	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
7c3ad056 OS	154
1a869205 JK	155	e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
1a869205 JK	156	e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
7c3ad056 OS	157	if (adt == IPSET_TEST)
	158	e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) \| HOST_MASK;
	159
	160	if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
	161	&e.port, &e.proto))
	162	return -EINVAL;
	163
	164	ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
	165	ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
	166	e.ip[0] &= ip_set_netmask(e.cidr[0]);
	167	e.ip[1] &= ip_set_netmask(e.cidr[1]);
	168
	169	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
	170	}
	171
	172	static int
	173	hash_netportnet4_uadt(struct ip_set set, struct nlattr tb[],
	174	enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
	175	{
	176	const struct hash_netportnet *h = set->data;
	177	ipset_adtfn adtfn = set->variant->adt[adt];
1a869205	178	struct hash_netportnet4_elem e = { };
7c3ad056 OS	179	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	180	u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
	181	u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
	182	bool with_ports = false;
	183	u8 cidr, cidr2;
	184	int ret;
	185
a212e08e SP	186	if (tb[IPSET_ATTR_LINENO])
	187	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	188
1a869205	189	e.cidr[0] = e.cidr[1] = HOST_MASK;
7c3ad056 OS	190	if (unlikely(!tb[IPSET_ATTR_IP] \|\| !tb[IPSET_ATTR_IP2] \|\|
	191	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	192	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
7dd37bc8	193	!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
7c3ad056 OS	194	return -IPSET_ERR_PROTOCOL;
7c3ad056 OS	195
8e55d2e5 SP	196	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
	197	if (ret)
	198	return ret;
	199
	200	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
	201	if (ret)
	202	return ret;
	203
	204	ret = ip_set_get_extensions(set, tb, &ext);
7c3ad056 OS	205	if (ret)
	206	return ret;
	207
	208	if (tb[IPSET_ATTR_CIDR]) {
	209	cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
	210	if (!cidr \|\| cidr > HOST_MASK)
	211	return -IPSET_ERR_INVALID_CIDR;
	212	e.cidr[0] = cidr;
	213	}
	214
	215	if (tb[IPSET_ATTR_CIDR2]) {
	216	cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
	217	if (!cidr \|\| cidr > HOST_MASK)
	218	return -IPSET_ERR_INVALID_CIDR;
	219	e.cidr[1] = cidr;
	220	}
	221
d25472e4	222	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
7c3ad056 OS	223
	224	if (tb[IPSET_ATTR_PROTO]) {
	225	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
	226	with_ports = ip_set_proto_with_ports(e.proto);
	227
	228	if (e.proto == 0)
	229	return -IPSET_ERR_INVALID_PROTO;
	230	} else
	231	return -IPSET_ERR_MISSING_PROTO;
	232
	233	if (!(with_ports \|\| e.proto == IPPROTO_ICMP))
	234	e.port = 0;
	235
	236	if (tb[IPSET_ATTR_CADT_FLAGS]) {
	237	u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
	238	if (cadt_flags & IPSET_FLAG_NOMATCH)
	239	flags \|= (IPSET_FLAG_NOMATCH << 16);
	240	}
	241
	242	with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
	243	if (adt == IPSET_TEST \|\|
	244	!(tb[IPSET_ATTR_IP_TO] \|\| with_ports \|\| tb[IPSET_ATTR_IP2_TO])) {
	245	e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
	246	e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
	247	ret = adtfn(set, &e, &ext, &ext, flags);
	248	return ip_set_enomatch(ret, flags, adt, set) ? -ret :
	249	ip_set_eexist(ret, flags) ? 0 : ret;
	250	}
	251
	252	ip_to = ip;
	253	if (tb[IPSET_ATTR_IP_TO]) {
	254	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
	255	if (ret)
	256	return ret;
	257	if (ip > ip_to)
	258	swap(ip, ip_to);
	259	if (unlikely(ip + UINT_MAX == ip_to))
	260	return -IPSET_ERR_HASH_RANGE;
6e41ee68 SP	261	} else
6e41ee68 SP	262	ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
7c3ad056 OS	263
	264	port_to = port = ntohs(e.port);
	265	if (tb[IPSET_ATTR_PORT_TO]) {
	266	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	267	if (port > port_to)
	268	swap(port, port_to);
	269	}
	270
	271	ip2_to = ip2_from;
	272	if (tb[IPSET_ATTR_IP2_TO]) {
	273	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
	274	if (ret)
	275	return ret;
	276	if (ip2_from > ip2_to)
	277	swap(ip2_from, ip2_to);
	278	if (unlikely(ip2_from + UINT_MAX == ip2_to))
	279	return -IPSET_ERR_HASH_RANGE;
6e41ee68 SP	280	} else
6e41ee68 SP	281	ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
7c3ad056 OS	282
	283	if (retried)
	284	ip = ntohl(h->next.ip[0]);
	285
	286	while (!after(ip, ip_to)) {
	287	e.ip[0] = htonl(ip);
	288	ip_last = ip_set_range_to_cidr(ip, ip_to, &cidr);
	289	e.cidr[0] = cidr;
	290	p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
	291	: port;
	292	for (; p <= port_to; p++) {
	293	e.port = htons(p);
	294	ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
	295	p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
	296	: ip2_from;
	297	while (!after(ip2, ip2_to)) {
	298	e.ip[1] = htonl(ip2);
	299	ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
	300	&cidr2);
	301	e.cidr[1] = cidr2;
	302	ret = adtfn(set, &e, &ext, &ext, flags);
	303	if (ret && !ip_set_eexist(ret, flags))
	304	return ret;
	305	else
	306	ret = 0;
	307	ip2 = ip2_last + 1;
	308	}
	309	}
	310	ip = ip_last + 1;
	311	}
	312	return ret;
	313	}
	314
	315	/* IPv6 variant */
	316
	317	struct hash_netportnet6_elem {
	318	union nf_inet_addr ip[2];
	319	__be16 port;
	320	union {
	321	u8 cidr[2];
	322	u16 ccmp;
	323	};
cac37639	324	u16 padding;
2b67d6e0	325	u8 nomatch;
7c3ad056 OS	326	u8 proto;
	327	};
	328
	329	/* Common functions */
	330
	331	static inline bool
	332	hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
	333	const struct hash_netportnet6_elem *ip2,
	334	u32 *multi)
	335	{
	336	return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
	337	ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
	338	ip1->ccmp == ip2->ccmp &&
	339	ip1->port == ip2->port &&
	340	ip1->proto == ip2->proto;
	341	}
	342
	343	static inline int
	344	hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
	345	{
	346	return elem->nomatch ? -ENOTEMPTY : 1;
	347	}
	348
	349	static inline void
	350	hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
	351	{
	352	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
	353	}
	354
	355	static inline void
	356	hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem elem, u8 flags)
	357	{
	358	swap(*flags, elem->nomatch);
	359	}
	360
	361	static inline void
	362	hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
	363	struct hash_netportnet6_elem *orig)
	364	{
	365	elem->ip[1] = orig->ip[1];
	366	}
	367
	368	static inline void
	369	hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
	370	u8 cidr, bool inner)
	371	{
	372	if (inner) {
	373	ip6_netmask(&elem->ip[1], cidr);
	374	elem->cidr[1] = cidr;
	375	} else {
	376	ip6_netmask(&elem->ip[0], cidr);
	377	elem->cidr[0] = cidr;
	378	}
	379	}
	380
	381	static bool
	382	hash_netportnet6_data_list(struct sk_buff *skb,
	383	const struct hash_netportnet6_elem *data)
	384	{
	385	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
	386
	387	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) \|\|
	388	nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) \|\|
	389	nla_put_net16(skb, IPSET_ATTR_PORT, data->port) \|\|
390	nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) \|\|
391	nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) \|\|
392	nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) \|\|
393	(flags &&
394	nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
395	goto nla_put_failure;
728a7e69	396	return false;
7c3ad056 OS	397
7c3ad056 OS	398	nla_put_failure:
728a7e69	399	return true;
7c3ad056 OS	400	}
	401
	402	static inline void
	403	hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
	404	const struct hash_netportnet6_elem *d)
	405	{
	406	next->port = d->port;
	407	}
	408
	409	#undef MTYPE
7c3ad056 OS	410	#undef HOST_MASK
	411
	412	#define MTYPE hash_netportnet6
7c3ad056 OS	413	#define HOST_MASK 128
	414	#define IP_SET_EMIT_CREATE
	415	#include "ip_set_hash_gen.h"
	416
	417	static int
	418	hash_netportnet6_kadt(struct ip_set set, const struct sk_buff skb,
	419	const struct xt_action_param *par,
	420	enum ipset_adt adt, struct ip_set_adt_opt *opt)
	421	{
	422	const struct hash_netportnet *h = set->data;
	423	ipset_adtfn adtfn = set->variant->adt[adt];
1a869205	424	struct hash_netportnet6_elem e = { };
7c3ad056 OS	425	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
7c3ad056 OS	426
1a869205 JK	427	e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
1a869205 JK	428	e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
7c3ad056 OS	429	if (adt == IPSET_TEST)
	430	e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) \| HOST_MASK;
	431
	432	if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
	433	&e.port, &e.proto))
	434	return -EINVAL;
	435
	436	ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
	437	ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
	438	ip6_netmask(&e.ip[0], e.cidr[0]);
	439	ip6_netmask(&e.ip[1], e.cidr[1]);
	440
	441	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
	442	}
	443
	444	static int
	445	hash_netportnet6_uadt(struct ip_set set, struct nlattr tb[],
	446	enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
	447	{
	448	const struct hash_netportnet *h = set->data;
	449	ipset_adtfn adtfn = set->variant->adt[adt];
1a869205	450	struct hash_netportnet6_elem e = { };
7c3ad056 OS	451	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	452	u32 port, port_to;
	453	bool with_ports = false;
	454	int ret;
	455
a212e08e SP	456	if (tb[IPSET_ATTR_LINENO])
	457	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	458
1a869205	459	e.cidr[0] = e.cidr[1] = HOST_MASK;
7c3ad056 OS	460	if (unlikely(!tb[IPSET_ATTR_IP] \|\| !tb[IPSET_ATTR_IP2] \|\|
	461	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	462	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
7dd37bc8	463	!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
7c3ad056 OS	464	return -IPSET_ERR_PROTOCOL;
	465	if (unlikely(tb[IPSET_ATTR_IP_TO] \|\| tb[IPSET_ATTR_IP2_TO]))
	466	return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
	467
8e55d2e5 SP	468	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
	469	if (ret)
	470	return ret;
	471
	472	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
	473	if (ret)
	474	return ret;
	475
	476	ret = ip_set_get_extensions(set, tb, &ext);
7c3ad056 OS	477	if (ret)
	478	return ret;
	479
	480	if (tb[IPSET_ATTR_CIDR])
	481	e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
	482
	483	if (tb[IPSET_ATTR_CIDR2])
	484	e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
	485
	486	if (unlikely(!e.cidr[0] \|\| e.cidr[0] > HOST_MASK \|\| !e.cidr[1] \|\|
	487	e.cidr[1] > HOST_MASK))
	488	return -IPSET_ERR_INVALID_CIDR;
	489
	490	ip6_netmask(&e.ip[0], e.cidr[0]);
	491	ip6_netmask(&e.ip[1], e.cidr[1]);
	492
d25472e4	493	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
7c3ad056 OS	494
	495	if (tb[IPSET_ATTR_PROTO]) {
	496	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
	497	with_ports = ip_set_proto_with_ports(e.proto);
	498
	499	if (e.proto == 0)
	500	return -IPSET_ERR_INVALID_PROTO;
	501	} else
	502	return -IPSET_ERR_MISSING_PROTO;
	503
	504	if (!(with_ports \|\| e.proto == IPPROTO_ICMPV6))
	505	e.port = 0;
	506
	507	if (tb[IPSET_ATTR_CADT_FLAGS]) {
	508	u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
	509	if (cadt_flags & IPSET_FLAG_NOMATCH)
	510	flags \|= (IPSET_FLAG_NOMATCH << 16);
	511	}
	512
	513	if (adt == IPSET_TEST \|\| !with_ports \|\| !tb[IPSET_ATTR_PORT_TO]) {
	514	ret = adtfn(set, &e, &ext, &ext, flags);
	515	return ip_set_enomatch(ret, flags, adt, set) ? -ret :
	516	ip_set_eexist(ret, flags) ? 0 : ret;
	517	}
	518
	519	port = ntohs(e.port);
	520	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	521	if (port > port_to)
	522	swap(port, port_to);
	523
	524	if (retried)
	525	port = ntohs(h->next.port);
	526	for (; port <= port_to; port++) {
	527	e.port = htons(port);
	528	ret = adtfn(set, &e, &ext, &ext, flags);
	529
	530	if (ret && !ip_set_eexist(ret, flags))
	531	return ret;
	532	else
	533	ret = 0;
	534	}
	535	return ret;
	536	}
	537
	538	static struct ip_set_type hash_netportnet_type __read_mostly = {
	539	.name = "hash:net,port,net",
	540	.protocol = IPSET_PROTOCOL,
	541	.features = IPSET_TYPE_IP \| IPSET_TYPE_PORT \| IPSET_TYPE_IP2 \|
	542	IPSET_TYPE_NOMATCH,
	543	.dimension = IPSET_DIM_THREE,
	544	.family = NFPROTO_UNSPEC,
	545	.revision_min = IPSET_TYPE_REV_MIN,
	546	.revision_max = IPSET_TYPE_REV_MAX,
	547	.create = hash_netportnet_create,
	548	.create_policy = {
	549	[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
	550	[IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
	551	[IPSET_ATTR_PROBES] = { .type = NLA_U8 },
	552	[IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
	553	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
	554	[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
	555	},
	556	.adt_policy = {
	557	[IPSET_ATTR_IP] = { .type = NLA_NESTED },
558	[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
559	[IPSET_ATTR_IP2] = { .type = NLA_NESTED },
560	[IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED },
561	[IPSET_ATTR_PORT] = { .type = NLA_U16 },
562	[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
563	[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
564	[IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
565	[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
566	[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
567	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
568	[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
569	[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
570	[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
03726186 SP	571	[IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING,
03726186 SP	572	.len = IPSET_MAX_COMMENT_SIZE },
af331419 AD	573	[IPSET_ATTR_SKBMARK] = { .type = NLA_U64 },
	574	[IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 },
	575	[IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 },
7c3ad056 OS	576	},
	577	.me = THIS_MODULE,
	578	};
	579
	580	static int __init
	581	hash_netportnet_init(void)
	582	{
	583	return ip_set_type_register(&hash_netportnet_type);
	584	}
	585
	586	static void __exit
	587	hash_netportnet_fini(void)
	588	{
	589	ip_set_type_unregister(&hash_netportnet_type);
	590	}
	591
	592	module_init(hash_netportnet_init);
	593	module_exit(hash_netportnet_fini);