[linux-2.6-block.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 = { .cidr = { HOST_MASK, HOST_MASK, }, };
	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;
	int ret;

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

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

	if (tb[IPSET_ATTR_CIDR2]) {
		e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
		if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
			return -IPSET_ERR_INVALID_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, &e.cidr[0]);
		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,
								&e.cidr[1]);
				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 = { .cidr = { HOST_MASK, HOST_MASK, }, };
	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]);

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

	if (tb[IPSET_ATTR_CIDR2]) {
		e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
		if (!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];
aff22758	178	struct hash_netportnet4_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
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;
7c3ad056 OS	183	int ret;
7c3ad056 OS	184
a212e08e SP	185	if (tb[IPSET_ATTR_LINENO])
	186	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	187
7c3ad056 OS	188	if (unlikely(!tb[IPSET_ATTR_IP] \|\| !tb[IPSET_ATTR_IP2] \|\|
	189	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	190	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
7dd37bc8	191	!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
7c3ad056 OS	192	return -IPSET_ERR_PROTOCOL;
7c3ad056 OS	193
8e55d2e5 SP	194	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
	195	if (ret)
	196	return ret;
	197
	198	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
	199	if (ret)
	200	return ret;
	201
	202	ret = ip_set_get_extensions(set, tb, &ext);
7c3ad056 OS	203	if (ret)
	204	return ret;
	205
	206	if (tb[IPSET_ATTR_CIDR]) {
aff22758 SP	207	e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
aff22758 SP	208	if (!e.cidr[0] \|\| e.cidr[0] > HOST_MASK)
7c3ad056	209	return -IPSET_ERR_INVALID_CIDR;
7c3ad056 OS	210	}
	211
	212	if (tb[IPSET_ATTR_CIDR2]) {
aff22758 SP	213	e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
aff22758 SP	214	if (!e.cidr[1] \|\| e.cidr[1] > HOST_MASK)
7c3ad056	215	return -IPSET_ERR_INVALID_CIDR;
7c3ad056 OS	216	}
7c3ad056 OS	217
d25472e4	218	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
7c3ad056 OS	219
	220	if (tb[IPSET_ATTR_PROTO]) {
	221	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
	222	with_ports = ip_set_proto_with_ports(e.proto);
	223
	224	if (e.proto == 0)
	225	return -IPSET_ERR_INVALID_PROTO;
	226	} else
	227	return -IPSET_ERR_MISSING_PROTO;
	228
	229	if (!(with_ports \|\| e.proto == IPPROTO_ICMP))
	230	e.port = 0;
	231
	232	if (tb[IPSET_ATTR_CADT_FLAGS]) {
	233	u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
	234	if (cadt_flags & IPSET_FLAG_NOMATCH)
	235	flags \|= (IPSET_FLAG_NOMATCH << 16);
	236	}
	237
	238	with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
	239	if (adt == IPSET_TEST \|\|
	240	!(tb[IPSET_ATTR_IP_TO] \|\| with_ports \|\| tb[IPSET_ATTR_IP2_TO])) {
	241	e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
	242	e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
	243	ret = adtfn(set, &e, &ext, &ext, flags);
	244	return ip_set_enomatch(ret, flags, adt, set) ? -ret :
	245	ip_set_eexist(ret, flags) ? 0 : ret;
	246	}
	247
	248	ip_to = ip;
	249	if (tb[IPSET_ATTR_IP_TO]) {
	250	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
	251	if (ret)
	252	return ret;
	253	if (ip > ip_to)
	254	swap(ip, ip_to);
	255	if (unlikely(ip + UINT_MAX == ip_to))
	256	return -IPSET_ERR_HASH_RANGE;
6e41ee68 SP	257	} else
6e41ee68 SP	258	ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
7c3ad056 OS	259
	260	port_to = port = ntohs(e.port);
	261	if (tb[IPSET_ATTR_PORT_TO]) {
	262	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	263	if (port > port_to)
	264	swap(port, port_to);
	265	}
	266
	267	ip2_to = ip2_from;
	268	if (tb[IPSET_ATTR_IP2_TO]) {
	269	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
	270	if (ret)
	271	return ret;
	272	if (ip2_from > ip2_to)
	273	swap(ip2_from, ip2_to);
	274	if (unlikely(ip2_from + UINT_MAX == ip2_to))
	275	return -IPSET_ERR_HASH_RANGE;
6e41ee68 SP	276	} else
6e41ee68 SP	277	ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
7c3ad056 OS	278
	279	if (retried)
	280	ip = ntohl(h->next.ip[0]);
	281
	282	while (!after(ip, ip_to)) {
	283	e.ip[0] = htonl(ip);
aff22758	284	ip_last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
7c3ad056 OS	285	p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
	286	: port;
	287	for (; p <= port_to; p++) {
	288	e.port = htons(p);
	289	ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
	290	p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
	291	: ip2_from;
	292	while (!after(ip2, ip2_to)) {
	293	e.ip[1] = htonl(ip2);
	294	ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
aff22758	295	&e.cidr[1]);
7c3ad056 OS	296	ret = adtfn(set, &e, &ext, &ext, flags);
	297	if (ret && !ip_set_eexist(ret, flags))
	298	return ret;
	299	else
	300	ret = 0;
	301	ip2 = ip2_last + 1;
	302	}
	303	}
	304	ip = ip_last + 1;
	305	}
	306	return ret;
	307	}
	308
	309	/* IPv6 variant */
	310
	311	struct hash_netportnet6_elem {
	312	union nf_inet_addr ip[2];
	313	__be16 port;
	314	union {
	315	u8 cidr[2];
	316	u16 ccmp;
	317	};
cac37639	318	u16 padding;
2b67d6e0	319	u8 nomatch;
7c3ad056 OS	320	u8 proto;
	321	};
	322
	323	/* Common functions */
	324
	325	static inline bool
	326	hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
	327	const struct hash_netportnet6_elem *ip2,
	328	u32 *multi)
	329	{
	330	return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
	331	ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
	332	ip1->ccmp == ip2->ccmp &&
	333	ip1->port == ip2->port &&
	334	ip1->proto == ip2->proto;
	335	}
	336
	337	static inline int
	338	hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
	339	{
	340	return elem->nomatch ? -ENOTEMPTY : 1;
	341	}
	342
	343	static inline void
	344	hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
	345	{
	346	elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
	347	}
	348
	349	static inline void
	350	hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem elem, u8 flags)
	351	{
	352	swap(*flags, elem->nomatch);
	353	}
	354
	355	static inline void
	356	hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
	357	struct hash_netportnet6_elem *orig)
	358	{
	359	elem->ip[1] = orig->ip[1];
	360	}
	361
	362	static inline void
	363	hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
	364	u8 cidr, bool inner)
	365	{
	366	if (inner) {
	367	ip6_netmask(&elem->ip[1], cidr);
	368	elem->cidr[1] = cidr;
	369	} else {
	370	ip6_netmask(&elem->ip[0], cidr);
	371	elem->cidr[0] = cidr;
	372	}
	373	}
	374
	375	static bool
	376	hash_netportnet6_data_list(struct sk_buff *skb,
	377	const struct hash_netportnet6_elem *data)
	378	{
	379	u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
	380
	381	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) \|\|
	382	nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) \|\|
	383	nla_put_net16(skb, IPSET_ATTR_PORT, data->port) \|\|
384	nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) \|\|
385	nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) \|\|
386	nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) \|\|
387	(flags &&
388	nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
389	goto nla_put_failure;
728a7e69	390	return false;
7c3ad056 OS	391
7c3ad056 OS	392	nla_put_failure:
728a7e69	393	return true;
7c3ad056 OS	394	}
	395
	396	static inline void
	397	hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
	398	const struct hash_netportnet6_elem *d)
	399	{
	400	next->port = d->port;
	401	}
	402
	403	#undef MTYPE
7c3ad056 OS	404	#undef HOST_MASK
	405
	406	#define MTYPE hash_netportnet6
7c3ad056 OS	407	#define HOST_MASK 128
	408	#define IP_SET_EMIT_CREATE
	409	#include "ip_set_hash_gen.h"
	410
	411	static int
	412	hash_netportnet6_kadt(struct ip_set set, const struct sk_buff skb,
	413	const struct xt_action_param *par,
	414	enum ipset_adt adt, struct ip_set_adt_opt *opt)
	415	{
	416	const struct hash_netportnet *h = set->data;
	417	ipset_adtfn adtfn = set->variant->adt[adt];
1a869205	418	struct hash_netportnet6_elem e = { };
7c3ad056 OS	419	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
7c3ad056 OS	420
1a869205 JK	421	e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
1a869205 JK	422	e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
7c3ad056 OS	423	if (adt == IPSET_TEST)
	424	e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) \| HOST_MASK;
	425
	426	if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
	427	&e.port, &e.proto))
	428	return -EINVAL;
	429
	430	ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
	431	ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
	432	ip6_netmask(&e.ip[0], e.cidr[0]);
	433	ip6_netmask(&e.ip[1], e.cidr[1]);
	434
	435	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
	436	}
	437
	438	static int
	439	hash_netportnet6_uadt(struct ip_set set, struct nlattr tb[],
	440	enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
	441	{
	442	const struct hash_netportnet *h = set->data;
	443	ipset_adtfn adtfn = set->variant->adt[adt];
aff22758	444	struct hash_netportnet6_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, };
7c3ad056 OS	445	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	446	u32 port, port_to;
	447	bool with_ports = false;
	448	int ret;
	449
a212e08e SP	450	if (tb[IPSET_ATTR_LINENO])
	451	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	452
7c3ad056 OS	453	if (unlikely(!tb[IPSET_ATTR_IP] \|\| !tb[IPSET_ATTR_IP2] \|\|
	454	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	455	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
7dd37bc8	456	!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
7c3ad056 OS	457	return -IPSET_ERR_PROTOCOL;
	458	if (unlikely(tb[IPSET_ATTR_IP_TO] \|\| tb[IPSET_ATTR_IP2_TO]))
	459	return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
	460
8e55d2e5 SP	461	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
	462	if (ret)
	463	return ret;
	464
	465	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
	466	if (ret)
	467	return ret;
	468
	469	ret = ip_set_get_extensions(set, tb, &ext);
7c3ad056 OS	470	if (ret)
	471	return ret;
	472
aff22758	473	if (tb[IPSET_ATTR_CIDR]) {
7c3ad056	474	e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
aff22758 SP	475	if (!e.cidr[0] \|\| e.cidr[0] > HOST_MASK)
	476	return -IPSET_ERR_INVALID_CIDR;
	477	}
7c3ad056	478
aff22758	479	if (tb[IPSET_ATTR_CIDR2]) {
7c3ad056	480	e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
aff22758 SP	481	if (!e.cidr[1] \|\| e.cidr[1] > HOST_MASK)
	482	return -IPSET_ERR_INVALID_CIDR;
	483	}
7c3ad056 OS	484
	485	ip6_netmask(&e.ip[0], e.cidr[0]);
	486	ip6_netmask(&e.ip[1], e.cidr[1]);
	487
d25472e4	488	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
7c3ad056 OS	489
	490	if (tb[IPSET_ATTR_PROTO]) {
	491	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
	492	with_ports = ip_set_proto_with_ports(e.proto);
	493
	494	if (e.proto == 0)
	495	return -IPSET_ERR_INVALID_PROTO;
	496	} else
	497	return -IPSET_ERR_MISSING_PROTO;
	498
	499	if (!(with_ports \|\| e.proto == IPPROTO_ICMPV6))
	500	e.port = 0;
	501
	502	if (tb[IPSET_ATTR_CADT_FLAGS]) {
	503	u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
	504	if (cadt_flags & IPSET_FLAG_NOMATCH)
	505	flags \|= (IPSET_FLAG_NOMATCH << 16);
	506	}
	507
	508	if (adt == IPSET_TEST \|\| !with_ports \|\| !tb[IPSET_ATTR_PORT_TO]) {
	509	ret = adtfn(set, &e, &ext, &ext, flags);
	510	return ip_set_enomatch(ret, flags, adt, set) ? -ret :
	511	ip_set_eexist(ret, flags) ? 0 : ret;
	512	}
	513
	514	port = ntohs(e.port);
	515	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	516	if (port > port_to)
	517	swap(port, port_to);
	518
	519	if (retried)
	520	port = ntohs(h->next.port);
	521	for (; port <= port_to; port++) {
	522	e.port = htons(port);
	523	ret = adtfn(set, &e, &ext, &ext, flags);
	524
	525	if (ret && !ip_set_eexist(ret, flags))
	526	return ret;
	527	else
	528	ret = 0;
	529	}
	530	return ret;
	531	}
	532
	533	static struct ip_set_type hash_netportnet_type __read_mostly = {
	534	.name = "hash:net,port,net",
	535	.protocol = IPSET_PROTOCOL,
	536	.features = IPSET_TYPE_IP \| IPSET_TYPE_PORT \| IPSET_TYPE_IP2 \|
	537	IPSET_TYPE_NOMATCH,
	538	.dimension = IPSET_DIM_THREE,
	539	.family = NFPROTO_UNSPEC,
	540	.revision_min = IPSET_TYPE_REV_MIN,
	541	.revision_max = IPSET_TYPE_REV_MAX,
	542	.create = hash_netportnet_create,
	543	.create_policy = {
	544	[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
	545	[IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
	546	[IPSET_ATTR_PROBES] = { .type = NLA_U8 },
	547	[IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
	548	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
	549	[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
	550	},
	551	.adt_policy = {
	552	[IPSET_ATTR_IP] = { .type = NLA_NESTED },
553	[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
554	[IPSET_ATTR_IP2] = { .type = NLA_NESTED },
555	[IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED },
556	[IPSET_ATTR_PORT] = { .type = NLA_U16 },
557	[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
558	[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
559	[IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
560	[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
561	[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
562	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
563	[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
564	[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
565	[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
03726186 SP	566	[IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING,
03726186 SP	567	.len = IPSET_MAX_COMMENT_SIZE },
af331419 AD	568	[IPSET_ATTR_SKBMARK] = { .type = NLA_U64 },
	569	[IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 },
	570	[IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 },
7c3ad056 OS	571	},
	572	.me = THIS_MODULE,
	573	};
	574
	575	static int __init
	576	hash_netportnet_init(void)
	577	{
	578	return ip_set_type_register(&hash_netportnet_type);
	579	}
	580
	581	static void __exit
	582	hash_netportnet_fini(void)
	583	{
	584	ip_set_type_unregister(&hash_netportnet_type);
	585	}
	586
	587	module_init(hash_netportnet_init);
	588	module_exit(hash_netportnet_fini);