[mirror_ubuntu-bionic-kernel.git] / net / netfilter / ipset / ip_set_hash_ipport.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 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
/*				1    SCTP and UDPLITE support added */
/*				2    Counters support added */
/*				3    Comments support added */
/*				4    Forceadd support added */
#define IPSET_TYPE_REV_MAX	5 /* skbinfo support added */

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
IP_SET_MODULE_DESC("hash:ip,port", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
MODULE_ALIAS("ip_set_hash:ip,port");

/* Type specific function prefix */
#define HTYPE		hash_ipport

/* IPv4 variant */

/* Member elements */
struct hash_ipport4_elem {
	__be32 ip;
	__be16 port;
	u8 proto;
	u8 padding;
};

/* Common functions */

static inline bool
hash_ipport4_data_equal(const struct hash_ipport4_elem *ip1,
			const struct hash_ipport4_elem *ip2,
			u32 *multi)
{
	return ip1->ip == ip2->ip &&
	       ip1->port == ip2->port &&
	       ip1->proto == ip2->proto;
}

static bool
hash_ipport4_data_list(struct sk_buff *skb,
		       const struct hash_ipport4_elem *data)
{
	if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) ||
	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto))
		goto nla_put_failure;
	return 0;

nla_put_failure:
	return 1;
}

static inline void
hash_ipport4_data_next(struct hash_ipport4_elem *next,
		       const struct hash_ipport4_elem *d)
{
	next->ip = d->ip;
	next->port = d->port;
}

#define MTYPE           hash_ipport4
#define HOST_MASK       32
#define HKEY_DATALEN	sizeof(struct hash_ipport4_elem)
#include "ip_set_hash_gen.h"

static int
hash_ipport4_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)
{
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_ipport4_elem e = { .ip = 0 };
	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

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

static int
hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
		  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
	const struct hash_ipport *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_ipport4_elem e = { .ip = 0 };
	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	u32 ip, ip_to = 0, p = 0, port, port_to;
	bool with_ports = false;
	int ret;

	if (unlikely(!tb[IPSET_ATTR_IP] ||
		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE)))
		return -IPSET_ERR_PROTOCOL;

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

	ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &e.ip);
	if (ret)
		return ret;

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

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

	ip_to = ip = ntohl(e.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);
	} else if (tb[IPSET_ATTR_CIDR]) {
		u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);

		if (!cidr || cidr > 32)
			return -IPSET_ERR_INVALID_CIDR;
		ip_set_mask_from_to(ip, ip_to, cidr);
	}

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

	if (retried)
		ip = ntohl(h->next.ip);
	for (; !before(ip_to, ip); ip++) {
		p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
						       : port;
		for (; p <= port_to; p++) {
			e.ip = htonl(ip);
			e.port = htons(p);
			ret = adtfn(set, &e, &ext, &ext, flags);

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

/* IPv6 variant */

struct hash_ipport6_elem {
	union nf_inet_addr ip;
	__be16 port;
	u8 proto;
	u8 padding;
};

/* Common functions */

static inline bool
hash_ipport6_data_equal(const struct hash_ipport6_elem *ip1,
			const struct hash_ipport6_elem *ip2,
			u32 *multi)
{
	return ipv6_addr_equal(&ip1->ip.in6, &ip2->ip.in6) &&
	       ip1->port == ip2->port &&
	       ip1->proto == ip2->proto;
}

static bool
hash_ipport6_data_list(struct sk_buff *skb,
		       const struct hash_ipport6_elem *data)
{
	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) ||
	    nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
	    nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto))
		goto nla_put_failure;
	return 0;

nla_put_failure:
	return 1;
}

static inline void
hash_ipport6_data_next(struct hash_ipport4_elem *next,
		       const struct hash_ipport6_elem *d)
{
	next->port = d->port;
}

#undef MTYPE
#undef HOST_MASK
#undef HKEY_DATALEN

#define MTYPE		hash_ipport6
#define HOST_MASK	128
#define HKEY_DATALEN	sizeof(struct hash_ipport6_elem)
#define	IP_SET_EMIT_CREATE
#include "ip_set_hash_gen.h"

static int
hash_ipport6_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)
{
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_ipport6_elem e = { .ip = { .all = { 0 } } };
	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

	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.in6);
	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
}

static int
hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
		  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
	const struct hash_ipport *h = set->data;
	ipset_adtfn adtfn = set->variant->adt[adt];
	struct hash_ipport6_elem e = { .ip = { .all = { 0 } } };
	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
	u32 port, port_to;
	bool with_ports = false;
	int ret;

	if (unlikely(!tb[IPSET_ATTR_IP] ||
		     !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) ||
		     !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE) ||
		     tb[IPSET_ATTR_IP_TO] ||
		     tb[IPSET_ATTR_CIDR]))
		return -IPSET_ERR_PROTOCOL;

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

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

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

	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 (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
		ret = adtfn(set, &e, &ext, &ext, flags);
		return 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_ipport_type __read_mostly = {
	.name		= "hash:ip,port",
	.protocol	= IPSET_PROTOCOL,
	.features	= IPSET_TYPE_IP | IPSET_TYPE_PORT,
	.dimension	= IPSET_DIM_TWO,
	.family		= NFPROTO_UNSPEC,
	.revision_min	= IPSET_TYPE_REV_MIN,
	.revision_max	= IPSET_TYPE_REV_MAX,
	.create		= hash_ipport_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_PROTO]	= { .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_PORT]	= { .type = NLA_U16 },
		[IPSET_ATTR_PORT_TO]	= { .type = NLA_U16 },
		[IPSET_ATTR_CIDR]	= { .type = NLA_U8 },
		[IPSET_ATTR_PROTO]	= { .type = NLA_U8 },
		[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 },
		[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_ipport_init(void)
{
	return ip_set_type_register(&hash_ipport_type);
}

static void __exit
hash_ipport_fini(void)
{
	ip_set_type_unregister(&hash_ipport_type);
}

module_init(hash_ipport_init);
module_exit(hash_ipport_fini);
Commit	Line	Data
5d50e1d8	1	/* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
07896ed3 JK	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 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>
07896ed3 JK	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>
07896ed3 JK	24	#include <linux/netfilter/ipset/ip_set_getport.h>
	25	#include <linux/netfilter/ipset/ip_set_hash.h>
	26
35b8dcf8 JK	27	#define IPSET_TYPE_REV_MIN 0
35b8dcf8 JK	28	/* 1 SCTP and UDPLITE support added */
fda75c6d	29	/* 2 Counters support added */
07cf8f5a	30	/* 3 Comments support added */
af331419 AD	31	/* 4 Forceadd support added */
af331419 AD	32	#define IPSET_TYPE_REV_MAX 5 /* skbinfo support added */
10111a6e	33
07896ed3 JK	34	MODULE_LICENSE("GPL");
07896ed3 JK	35	MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
35b8dcf8	36	IP_SET_MODULE_DESC("hash:ip,port", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
07896ed3 JK	37	MODULE_ALIAS("ip_set_hash:ip,port");
	38
	39	/* Type specific function prefix */
5d50e1d8	40	#define HTYPE hash_ipport
07896ed3	41
03c8b234	42	/* IPv4 variant */
07896ed3	43
5d50e1d8	44	/* Member elements */
07896ed3 JK	45	struct hash_ipport4_elem {
	46	__be32 ip;
	47	__be16 port;
	48	u8 proto;
	49	u8 padding;
	50	};
	51
5d50e1d8 JK	52	/* Common functions */
5d50e1d8 JK	53
07896ed3 JK	54	static inline bool
07896ed3 JK	55	hash_ipport4_data_equal(const struct hash_ipport4_elem *ip1,
89dc79b7 JK	56	const struct hash_ipport4_elem *ip2,
89dc79b7 JK	57	u32 *multi)
07896ed3 JK	58	{
	59	return ip1->ip == ip2->ip &&
	60	ip1->port == ip2->port &&
	61	ip1->proto == ip2->proto;
	62	}
	63
07896ed3 JK	64	static bool
	65	hash_ipport4_data_list(struct sk_buff *skb,
	66	const struct hash_ipport4_elem *data)
	67	{
7cf7899d DM	68	if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) \|\|
	69	nla_put_net16(skb, IPSET_ATTR_PORT, data->port) \|\|
	70	nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto))
	71	goto nla_put_failure;
07896ed3 JK	72	return 0;
	73
	74	nla_put_failure:
	75	return 1;
	76	}
	77
3d14b171	78	static inline void
5d50e1d8	79	hash_ipport4_data_next(struct hash_ipport4_elem *next,
3d14b171 JK	80	const struct hash_ipport4_elem *d)
3d14b171 JK	81	{
5d50e1d8 JK	82	next->ip = d->ip;
5d50e1d8 JK	83	next->port = d->port;
3d14b171 JK	84	}
3d14b171 JK	85
5d50e1d8	86	#define MTYPE hash_ipport4
5d50e1d8 JK	87	#define HOST_MASK 32
	88	#define HKEY_DATALEN sizeof(struct hash_ipport4_elem)
	89	#include "ip_set_hash_gen.h"
	90
07896ed3 JK	91	static int
07896ed3 JK	92	hash_ipport4_kadt(struct ip_set set, const struct sk_buff skb,
b66554cf	93	const struct xt_action_param *par,
5d50e1d8	94	enum ipset_adt adt, struct ip_set_adt_opt *opt)
07896ed3	95	{
07896ed3	96	ipset_adtfn adtfn = set->variant->adt[adt];
94729f8a	97	struct hash_ipport4_elem e = { .ip = 0 };
ca134ce8	98	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
07896ed3	99
ac8cc925	100	if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
5d50e1d8	101	&e.port, &e.proto))
07896ed3 JK	102	return -EINVAL;
07896ed3 JK	103
5d50e1d8 JK	104	ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip);
5d50e1d8 JK	105	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
07896ed3 JK	106	}
	107
	108	static int
	109	hash_ipport4_uadt(struct ip_set set, struct nlattr tb[],
3d14b171	110	enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
07896ed3	111	{
5d50e1d8	112	const struct hash_ipport *h = set->data;
07896ed3	113	ipset_adtfn adtfn = set->variant->adt[adt];
94729f8a	114	struct hash_ipport4_elem e = { .ip = 0 };
ca134ce8	115	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
20b2fab4	116	u32 ip, ip_to = 0, p = 0, port, port_to;
5e0c1eb7	117	bool with_ports = false;
07896ed3 JK	118	int ret;
	119
	120	if (unlikely(!tb[IPSET_ATTR_IP] \|\|
	121	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	122	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
00d71b27 JK	123	!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) \|\|
00d71b27 JK	124	!ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) \|\|
af331419 AD	125	!ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) \|\|
	126	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) \|\|
	127	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) \|\|
	128	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE)))
07896ed3 JK	129	return -IPSET_ERR_PROTOCOL;
	130
	131	if (tb[IPSET_ATTR_LINENO])
	132	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	133
8e55d2e5 SP	134	ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &e.ip);
	135	if (ret)
	136	return ret;
	137
	138	ret = ip_set_get_extensions(set, tb, &ext);
07896ed3 JK	139	if (ret)
	140	return ret;
	141
d25472e4	142	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
07896ed3 JK	143
07896ed3 JK	144	if (tb[IPSET_ATTR_PROTO]) {
5d50e1d8 JK	145	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
5d50e1d8 JK	146	with_ports = ip_set_proto_with_ports(e.proto);
07896ed3	147
5d50e1d8	148	if (e.proto == 0)
07896ed3 JK	149	return -IPSET_ERR_INVALID_PROTO;
	150	} else
	151	return -IPSET_ERR_MISSING_PROTO;
	152
5d50e1d8 JK	153	if (!(with_ports \|\| e.proto == IPPROTO_ICMP))
5d50e1d8 JK	154	e.port = 0;
07896ed3 JK	155
07896ed3 JK	156	if (adt == IPSET_TEST \|\|
07896ed3 JK	157	!(tb[IPSET_ATTR_IP_TO] \|\| tb[IPSET_ATTR_CIDR] \|\|
07896ed3 JK	158	tb[IPSET_ATTR_PORT_TO])) {
5d50e1d8	159	ret = adtfn(set, &e, &ext, &ext, flags);
07896ed3 JK	160	return ip_set_eexist(ret, flags) ? 0 : ret;
	161	}
	162
5d50e1d8	163	ip_to = ip = ntohl(e.ip);
07896ed3 JK	164	if (tb[IPSET_ATTR_IP_TO]) {
	165	ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
	166	if (ret)
	167	return ret;
	168	if (ip > ip_to)
	169	swap(ip, ip_to);
	170	} else if (tb[IPSET_ATTR_CIDR]) {
	171	u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
	172
b9fed748	173	if (!cidr \|\| cidr > 32)
07896ed3	174	return -IPSET_ERR_INVALID_CIDR;
e6146e86	175	ip_set_mask_from_to(ip, ip_to, cidr);
4fe198e6	176	}
07896ed3	177
5d50e1d8	178	port_to = port = ntohs(e.port);
5e0c1eb7	179	if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
07896ed3 JK	180	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	181	if (port > port_to)
	182	swap(port, port_to);
5e0c1eb7	183	}
07896ed3	184
3d14b171	185	if (retried)
6e27c9b4	186	ip = ntohl(h->next.ip);
3d14b171	187	for (; !before(ip_to, ip); ip++) {
6e27c9b4 JK	188	p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
6e27c9b4 JK	189	: port;
3d14b171	190	for (; p <= port_to; p++) {
5d50e1d8 JK	191	e.ip = htonl(ip);
	192	e.port = htons(p);
	193	ret = adtfn(set, &e, &ext, &ext, flags);
07896ed3 JK	194
	195	if (ret && !ip_set_eexist(ret, flags))
	196	return ret;
	197	else
	198	ret = 0;
	199	}
3d14b171	200	}
07896ed3 JK	201	return ret;
	202	}
	203
03c8b234	204	/* IPv6 variant */
07896ed3 JK	205
	206	struct hash_ipport6_elem {
	207	union nf_inet_addr ip;
	208	__be16 port;
	209	u8 proto;
	210	u8 padding;
	211	};
	212
5d50e1d8 JK	213	/* Common functions */
5d50e1d8 JK	214
07896ed3 JK	215	static inline bool
07896ed3 JK	216	hash_ipport6_data_equal(const struct hash_ipport6_elem *ip1,
89dc79b7 JK	217	const struct hash_ipport6_elem *ip2,
89dc79b7 JK	218	u32 *multi)
07896ed3	219	{
29e3b160	220	return ipv6_addr_equal(&ip1->ip.in6, &ip2->ip.in6) &&
07896ed3 JK	221	ip1->port == ip2->port &&
	222	ip1->proto == ip2->proto;
	223	}
	224
07896ed3 JK	225	static bool
	226	hash_ipport6_data_list(struct sk_buff *skb,
	227	const struct hash_ipport6_elem *data)
	228	{
7cf7899d DM	229	if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) \|\|
	230	nla_put_net16(skb, IPSET_ATTR_PORT, data->port) \|\|
	231	nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto))
	232	goto nla_put_failure;
07896ed3 JK	233	return 0;
	234
	235	nla_put_failure:
	236	return 1;
	237	}
	238
5d50e1d8 JK	239	static inline void
	240	hash_ipport6_data_next(struct hash_ipport4_elem *next,
	241	const struct hash_ipport6_elem *d)
07896ed3	242	{
5d50e1d8	243	next->port = d->port;
07896ed3 JK	244	}
07896ed3 JK	245
5d50e1d8	246	#undef MTYPE
07896ed3	247	#undef HOST_MASK
5d50e1d8	248	#undef HKEY_DATALEN
07896ed3	249
5d50e1d8	250	#define MTYPE hash_ipport6
07896ed3	251	#define HOST_MASK 128
5d50e1d8 JK	252	#define HKEY_DATALEN sizeof(struct hash_ipport6_elem)
	253	#define IP_SET_EMIT_CREATE
	254	#include "ip_set_hash_gen.h"
3d14b171	255
07896ed3 JK	256	static int
07896ed3 JK	257	hash_ipport6_kadt(struct ip_set set, const struct sk_buff skb,
b66554cf	258	const struct xt_action_param *par,
5d50e1d8	259	enum ipset_adt adt, struct ip_set_adt_opt *opt)
07896ed3	260	{
07896ed3	261	ipset_adtfn adtfn = set->variant->adt[adt];
94729f8a	262	struct hash_ipport6_elem e = { .ip = { .all = { 0 } } };
ca134ce8	263	struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
07896ed3	264
ac8cc925	265	if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
5d50e1d8	266	&e.port, &e.proto))
07896ed3 JK	267	return -EINVAL;
07896ed3 JK	268
5d50e1d8 JK	269	ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6);
5d50e1d8 JK	270	return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
07896ed3 JK	271	}
	272
	273	static int
	274	hash_ipport6_uadt(struct ip_set set, struct nlattr tb[],
3d14b171	275	enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
07896ed3	276	{
5d50e1d8	277	const struct hash_ipport *h = set->data;
07896ed3	278	ipset_adtfn adtfn = set->variant->adt[adt];
94729f8a	279	struct hash_ipport6_elem e = { .ip = { .all = { 0 } } };
ca134ce8	280	struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
07896ed3	281	u32 port, port_to;
5e0c1eb7	282	bool with_ports = false;
07896ed3 JK	283	int ret;
	284
	285	if (unlikely(!tb[IPSET_ATTR_IP] \|\|
	286	!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) \|\|
	287	!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) \|\|
	288	!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) \|\|
00d71b27 JK	289	!ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) \|\|
00d71b27 JK	290	!ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) \|\|
af331419 AD	291	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) \|\|
	292	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) \|\|
	293	!ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE) \|\|
07896ed3 JK	294	tb[IPSET_ATTR_IP_TO] \|\|
	295	tb[IPSET_ATTR_CIDR]))
	296	return -IPSET_ERR_PROTOCOL;
	297
	298	if (tb[IPSET_ATTR_LINENO])
	299	*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
	300
8e55d2e5 SP	301	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip);
	302	if (ret)
	303	return ret;
	304
	305	ret = ip_set_get_extensions(set, tb, &ext);
07896ed3 JK	306	if (ret)
	307	return ret;
	308
d25472e4	309	e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
07896ed3 JK	310
07896ed3 JK	311	if (tb[IPSET_ATTR_PROTO]) {
5d50e1d8 JK	312	e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
5d50e1d8 JK	313	with_ports = ip_set_proto_with_ports(e.proto);
07896ed3	314
5d50e1d8	315	if (e.proto == 0)
07896ed3 JK	316	return -IPSET_ERR_INVALID_PROTO;
	317	} else
	318	return -IPSET_ERR_MISSING_PROTO;
	319
5d50e1d8 JK	320	if (!(with_ports \|\| e.proto == IPPROTO_ICMPV6))
5d50e1d8 JK	321	e.port = 0;
07896ed3	322
5e0c1eb7	323	if (adt == IPSET_TEST \|\| !with_ports \|\| !tb[IPSET_ATTR_PORT_TO]) {
5d50e1d8	324	ret = adtfn(set, &e, &ext, &ext, flags);
07896ed3 JK	325	return ip_set_eexist(ret, flags) ? 0 : ret;
	326	}
	327
5d50e1d8	328	port = ntohs(e.port);
07896ed3 JK	329	port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
	330	if (port > port_to)
	331	swap(port, port_to);
	332
3d14b171	333	if (retried)
6e27c9b4	334	port = ntohs(h->next.port);
07896ed3	335	for (; port <= port_to; port++) {
5d50e1d8 JK	336	e.port = htons(port);
5d50e1d8 JK	337	ret = adtfn(set, &e, &ext, &ext, flags);
07896ed3 JK	338
	339	if (ret && !ip_set_eexist(ret, flags))
	340	return ret;
	341	else
	342	ret = 0;
	343	}
	344	return ret;
	345	}
	346
07896ed3 JK	347	static struct ip_set_type hash_ipport_type __read_mostly = {
	348	.name = "hash:ip,port",
	349	.protocol = IPSET_PROTOCOL,
	350	.features = IPSET_TYPE_IP \| IPSET_TYPE_PORT,
	351	.dimension = IPSET_DIM_TWO,
c15f1c83	352	.family = NFPROTO_UNSPEC,
35b8dcf8 JK	353	.revision_min = IPSET_TYPE_REV_MIN,
35b8dcf8 JK	354	.revision_max = IPSET_TYPE_REV_MAX,
07896ed3 JK	355	.create = hash_ipport_create,
	356	.create_policy = {
	357	[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
	358	[IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
	359	[IPSET_ATTR_PROBES] = { .type = NLA_U8 },
	360	[IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
	361	[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
	362	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
00d71b27	363	[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
07896ed3 JK	364	},
	365	.adt_policy = {
	366	[IPSET_ATTR_IP] = { .type = NLA_NESTED },
	367	[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
	368	[IPSET_ATTR_PORT] = { .type = NLA_U16 },
	369	[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
	370	[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
	371	[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
	372	[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
	373	[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
00d71b27 JK	374	[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
00d71b27 JK	375	[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
fda75c6d	376	[IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING },
af331419 AD	377	[IPSET_ATTR_SKBMARK] = { .type = NLA_U64 },
	378	[IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 },
	379	[IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 },
07896ed3 JK	380	},
	381	.me = THIS_MODULE,
	382	};
	383
	384	static int __init
	385	hash_ipport_init(void)
	386	{
	387	return ip_set_type_register(&hash_ipport_type);
	388	}
	389
	390	static void __exit
	391	hash_ipport_fini(void)
	392	{
	393	ip_set_type_unregister(&hash_ipport_type);
	394	}
	395
	396	module_init(hash_ipport_init);
	397	module_exit(hash_ipport_fini);