netfilter-2.6/patch-o-matic-ng/trunk: include/linux/netfilter_ipv4/ip_set.h include/linux/netfilter_...

pluto cvs at pld-linux.org
Thu Jul 28 10:52:07 CEST 2005


Author: pluto
Date: Thu Jul 28 10:51:51 2005
New Revision: 6247

Added:
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iphash.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_ipmap.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iptree.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_jhash.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_macipmap.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_malloc.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_nethash.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_portmap.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_prime.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_nth.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_osf.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_policy.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_set.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_time.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_nth.h
   netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_policy.h
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iphash.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_ipmap.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iptree.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_macipmap.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_nethash.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_portmap.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_nth.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_osf.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_policy.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_set.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_time.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_nth.c
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_policy.c
Modified:
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Kconfig
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Makefile
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Kconfig
   netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Makefile
   netfilter-2.6/patch-o-matic-ng/trunk/status
Log:
- nth, osf, policy, set, time.


Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,489 @@
+#ifndef _IP_SET_H
+#define _IP_SET_H
+
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem at linux.nu>
+ *                         Patrick Schaaf <bof at bof.de>
+ *                         Martin Josefsson <gandalf at wlug.westbo.se>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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.  
+ */
+
+/*
+ * A sockopt of such quality has hardly ever been seen before on the open
+ * market!  This little beauty, hardly ever used: above 64, so it's
+ * traditionally used for firewalling, not touched (even once!) by the
+ * 2.0, 2.2 and 2.4 kernels!
+ *
+ * Comes with its own certificate of authenticity, valid anywhere in the
+ * Free world!
+ *
+ * Rusty, 19.4.2000
+ */
+#define SO_IP_SET 		83
+
+/*
+ * Heavily modify by Joakim Axelsson 08.03.2002
+ * - Made it more modulebased
+ *
+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
+ * - bindings added
+ * - in order to "deal with" backward compatibility, renamed to ipset
+ */
+
+/* 
+ * Used so that the kernel module and ipset-binary can match their versions 
+ */
+#define IP_SET_PROTOCOL_VERSION 2
+
+#define IP_SET_MAXNAMELEN 32	/* set names and set typenames */
+
+/* Lets work with our own typedef for representing an IP address.
+ * We hope to make the code more portable, possibly to IPv6...
+ *
+ * The representation works in HOST byte order, because most set types
+ * will perform arithmetic operations and compare operations.
+ * 
+ * For now the type is an uint32_t.
+ *
+ * Make sure to ONLY use the functions when translating and parsing
+ * in order to keep the host byte order and make it more portable:
+ *  parse_ip()
+ *  parse_mask()
+ *  parse_ipandmask()
+ *  ip_tostring()
+ * (Joakim: where are they???)
+ */
+
+typedef uint32_t ip_set_ip_t;
+
+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
+ */
+typedef uint16_t ip_set_id_t;
+
+#define IP_SET_INVALID_ID	65535
+
+/* How deep we follow bindings */
+#define IP_SET_MAX_BINDINGS	6
+
+/*
+ * Option flags for kernel operations (ipt_set_info)
+ */
+#define IPSET_SRC 		0x01	/* Source match/add */
+#define IPSET_DST		0x02	/* Destination match/add */
+#define IPSET_MATCH_INV		0x04	/* Inverse matching */
+
+/*
+ * Set types (flavours)
+ */
+#define IPSET_TYPE_IP		0	/* IP address type of set */
+#define IPSET_TYPE_PORT		1	/* Port type of set */
+
+/* Reserved keywords */
+#define IPSET_TOKEN_DEFAULT	":default:"
+#define IPSET_TOKEN_ALL		":all:"
+
+/* SO_IP_SET operation constants, and their request struct types.
+ *
+ * Operation ids:
+ *	  0-99:	 commands with version checking
+ *	100-199: add/del/test/bind/unbind
+ *	200-299: list, save, restore
+ */
+
+/* Single shot operations: 
+ * version, create, destroy, flush, rename and swap 
+ *
+ * Sets are identified by name.
+ */
+
+#define IP_SET_REQ_STD		\
+	unsigned op;		\
+	unsigned version;	\
+	char name[IP_SET_MAXNAMELEN]
+
+#define IP_SET_OP_CREATE	0x00000001	/* Create a new (empty) set */
+struct ip_set_req_create {
+	IP_SET_REQ_STD;
+	char typename[IP_SET_MAXNAMELEN];
+};
+
+#define IP_SET_OP_DESTROY	0x00000002	/* Remove a (empty) set */
+struct ip_set_req_std {
+	IP_SET_REQ_STD;
+};
+
+#define IP_SET_OP_FLUSH		0x00000003	/* Remove all IPs in a set */
+/* Uses ip_set_req_std */
+
+#define IP_SET_OP_RENAME	0x00000004	/* Rename a set */
+/* Uses ip_set_req_create */
+
+#define IP_SET_OP_SWAP		0x00000005	/* Swap two sets */
+/* Uses ip_set_req_create */
+
+union ip_set_name_index {
+	char name[IP_SET_MAXNAMELEN];
+	ip_set_id_t index;
+};
+
+#define IP_SET_OP_GET_BYNAME	0x00000006	/* Get set index by name */
+struct ip_set_req_get_set {
+	unsigned op;
+	unsigned version;
+	union ip_set_name_index set;
+};
+
+#define IP_SET_OP_GET_BYINDEX	0x00000007	/* Get set name by index */
+/* Uses ip_set_req_get_set */
+
+#define IP_SET_OP_VERSION	0x00000100	/* Ask kernel version */
+struct ip_set_req_version {
+	unsigned op;
+	unsigned version;
+};
+
+/* Double shots operations: 
+ * add, del, test, bind and unbind.
+ *
+ * First we query the kernel to get the index and type of the target set,
+ * then issue the command. Validity of IP is checked in kernel in order
+ * to minimalize sockopt operations.
+ */
+
+/* Get minimal set data for add/del/test/bind/unbind IP */
+#define IP_SET_OP_ADT_GET	0x00000010	/* Get set and type */
+struct ip_set_req_adt_get {
+	unsigned op;
+	unsigned version;
+	union ip_set_name_index set;
+	char typename[IP_SET_MAXNAMELEN];
+};
+
+#define IP_SET_REQ_BYINDEX	\
+	unsigned op;		\
+	ip_set_id_t index;
+
+struct ip_set_req_adt {
+	IP_SET_REQ_BYINDEX;
+};
+
+#define IP_SET_OP_ADD_IP	0x00000101	/* Add an IP to a set */
+/* Uses ip_set_req_adt, with type specific addage */
+
+#define IP_SET_OP_DEL_IP	0x00000102	/* Remove an IP from a set */
+/* Uses ip_set_req_adt, with type specific addage */
+
+#define IP_SET_OP_TEST_IP	0x00000103	/* Test an IP in a set */
+/* Uses ip_set_req_adt, with type specific addage */
+
+#define IP_SET_OP_BIND_SET	0x00000104	/* Bind an IP to a set */
+/* Uses ip_set_req_bind, with type specific addage */
+struct ip_set_req_bind {
+	IP_SET_REQ_BYINDEX;
+	char binding[IP_SET_MAXNAMELEN];
+};
+
+#define IP_SET_OP_UNBIND_SET	0x00000105	/* Unbind an IP from a set */
+/* Uses ip_set_req_bind, with type speficic addage 
+ * index = 0 means unbinding for all sets */
+
+#define IP_SET_OP_TEST_BIND_SET	0x00000106	/* Test binding an IP to a set */
+/* Uses ip_set_req_bind, with type specific addage */
+
+/* Multiple shots operations: list, save, restore.
+ *
+ * - check kernel version and query the max number of sets
+ * - get the basic information on all sets
+ *   and size required for the next step
+ * - get actual set data: header, data, bindings
+ */
+
+/* Get max_sets and the index of a queried set
+ */
+#define IP_SET_OP_MAX_SETS	0x00000020
+struct ip_set_req_max_sets {
+	unsigned op;
+	unsigned version;
+	ip_set_id_t max_sets;		/* max_sets */
+	ip_set_id_t sets;		/* real number of sets */
+	union ip_set_name_index set;	/* index of set if name used */
+};
+
+/* Get the id and name of the sets plus size for next step */
+#define IP_SET_OP_LIST_SIZE	0x00000201
+#define IP_SET_OP_SAVE_SIZE	0x00000202
+struct ip_set_req_setnames {
+	unsigned op;
+	ip_set_id_t index;		/* set to list/save */
+	size_t size;			/* size to get setdata/bindings */
+	/* followed by sets number of struct ip_set_name_list */
+};
+
+struct ip_set_name_list {
+	char name[IP_SET_MAXNAMELEN];
+	char typename[IP_SET_MAXNAMELEN];
+	ip_set_id_t index;
+	ip_set_id_t id;
+};
+
+/* The actual list operation */
+#define IP_SET_OP_LIST		0x00000203
+struct ip_set_req_list {
+	IP_SET_REQ_BYINDEX;
+	/* sets number of struct ip_set_list in reply */ 
+};
+
+struct ip_set_list {
+	ip_set_id_t index;
+	ip_set_id_t binding;
+	u_int32_t ref;
+	size_t header_size;	/* Set header data of header_size */
+	size_t members_size;	/* Set members data of members_size */
+	size_t bindings_size;	/* Set bindings data of bindings_size */
+};
+
+struct ip_set_hash_list {
+	ip_set_ip_t ip;
+	ip_set_id_t binding;
+};
+
+/* The save operation */
+#define IP_SET_OP_SAVE		0x00000204
+/* Uses ip_set_req_list, in the reply replaced by
+ * sets number of struct ip_set_save plus a marker
+ * ip_set_save followed by ip_set_hash_save structures.
+ */
+struct ip_set_save {
+	ip_set_id_t index;
+	ip_set_id_t binding;
+	size_t header_size;	/* Set header data of header_size */
+	size_t members_size;	/* Set members data of members_size */
+};
+
+/* At restoring, ip == 0 means default binding for the given set: */
+struct ip_set_hash_save {
+	ip_set_ip_t ip;
+	ip_set_id_t id;
+	ip_set_id_t binding;
+};
+
+/* The restore operation */
+#define IP_SET_OP_RESTORE	0x00000205
+/* Uses ip_set_req_setnames followed by ip_set_restore structures
+ * plus a marker ip_set_restore, followed by ip_set_hash_save 
+ * structures.
+ */
+struct ip_set_restore {
+	char name[IP_SET_MAXNAMELEN];
+	char typename[IP_SET_MAXNAMELEN];
+	ip_set_id_t index;
+	size_t header_size;	/* Create data of header_size */
+	size_t members_size;	/* Set members data of members_size */
+};
+
+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
+{
+	return 4 * ((((b - a + 8) / 8) + 3) / 4);
+}
+
+#ifdef __KERNEL__
+
+#define ip_set_printk(format, args...) 			\
+	do {							\
+		printk("%s: %s: ", __FILE__, __FUNCTION__);	\
+		printk(format "\n" , ## args);			\
+	} while (0)
+
+#if defined(IP_SET_DEBUG)
+#define DP(format, args...) 					\
+	do {							\
+		printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
+		printk(format "\n" , ## args);			\
+	} while (0)
+#define IP_SET_ASSERT(x)					\
+	do {							\
+		if (!(x))					\
+			printk("IP_SET_ASSERT: %s:%i(%s)\n",	\
+				__FILE__, __LINE__, __FUNCTION__); \
+	} while (0)
+#else
+#define DP(format, args...)
+#define IP_SET_ASSERT(x)
+#endif
+
+struct ip_set;
+
+/*
+ * The ip_set_type definition - one per set type, e.g. "ipmap".
+ *
+ * Each individual set has a pointer, set->type, going to one
+ * of these structures. Function pointers inside the structure implement
+ * the real behaviour of the sets.
+ *
+ * If not mentioned differently, the implementation behind the function
+ * pointers of a set_type, is expected to return 0 if ok, and a negative
+ * errno (e.g. -EINVAL) on error.
+ */
+struct ip_set_type {
+	struct list_head list;	/* next in list of set types */
+
+	/* test for IP in set (kernel: iptables -m set src|dst)
+	 * return 0 if not in set, 1 if in set.
+	 */
+	int (*testip_kernel) (struct ip_set *set,
+			      const struct sk_buff * skb, 
+			      u_int32_t flags,
+			      ip_set_ip_t *ip);
+
+	/* test for IP in set (userspace: ipset -T set IP)
+	 * return 0 if not in set, 1 if in set.
+	 */
+	int (*testip) (struct ip_set *set,
+		       const void *data, size_t size,
+		       ip_set_ip_t *ip);
+
+	/*
+	 * Size of the data structure passed by when
+	 * adding/deletin/testing an entry.
+	 */
+	size_t reqsize;
+
+	/* Add IP into set (userspace: ipset -A set IP)
+	 * Return -EEXIST if the address is already in the set,
+	 * and -ERANGE if the address lies outside the set bounds.
+	 * If the address was not already in the set, 0 is returned.
+	 */
+	int (*addip) (struct ip_set *set, 
+		      const void *data, size_t size,
+		      ip_set_ip_t *ip);
+
+	/* Add IP into set (kernel: iptables ... -j SET set src|dst)
+	 * Return -EEXIST if the address is already in the set,
+	 * and -ERANGE if the address lies outside the set bounds.
+	 * If the address was not already in the set, 0 is returned.
+	 */
+	int (*addip_kernel) (struct ip_set *set,
+			     const struct sk_buff * skb, 
+			     u_int32_t flags,
+			     ip_set_ip_t *ip);
+
+	/* remove IP from set (userspace: ipset -D set --entry x)
+	 * Return -EEXIST if the address is NOT in the set,
+	 * and -ERANGE if the address lies outside the set bounds.
+	 * If the address really was in the set, 0 is returned.
+	 */
+	int (*delip) (struct ip_set *set, 
+		      const void *data, size_t size,
+		      ip_set_ip_t *ip);
+
+	/* remove IP from set (kernel: iptables ... -j SET --entry x)
+	 * Return -EEXIST if the address is NOT in the set,
+	 * and -ERANGE if the address lies outside the set bounds.
+	 * If the address really was in the set, 0 is returned.
+	 */
+	int (*delip_kernel) (struct ip_set *set,
+			     const struct sk_buff * skb, 
+			     u_int32_t flags,
+			     ip_set_ip_t *ip);
+
+	/* new set creation - allocated type specific items
+	 */
+	int (*create) (struct ip_set *set,
+		       const void *data, size_t size);
+
+	/* retry the operation after successfully tweaking the set
+	 */
+	int (*retry) (struct ip_set *set);
+
+	/* set destruction - free type specific items
+	 * There is no return value.
+	 * Can be called only when child sets are destroyed.
+	 */
+	void (*destroy) (struct ip_set *set);
+
+	/* set flushing - reset all bits in the set, or something similar.
+	 * There is no return value.
+	 */
+	void (*flush) (struct ip_set *set);
+
+	/* Listing: size needed for header
+	 */
+	size_t header_size;
+
+	/* Listing: Get the header
+	 *
+	 * Fill in the information in "data".
+	 * This function is always run after list_header_size() under a 
+	 * writelock on the set. Therefor is the length of "data" always 
+	 * correct. 
+	 */
+	void (*list_header) (const struct ip_set *set, 
+			     void *data);
+
+	/* Listing: Get the size for the set members
+	 */
+	int (*list_members_size) (const struct ip_set *set);
+
+	/* Listing: Get the set members
+	 *
+	 * Fill in the information in "data".
+	 * This function is always run after list_member_size() under a 
+	 * writelock on the set. Therefor is the length of "data" always 
+	 * correct. 
+	 */
+	void (*list_members) (const struct ip_set *set,
+			      void *data);
+
+	char typename[IP_SET_MAXNAMELEN];
+	char typecode;
+	int protocol_version;
+
+	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
+	struct module *me;
+};
+
+extern int ip_set_register_set_type(struct ip_set_type *set_type);
+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
+
+/* A generic ipset */
+struct ip_set {
+	char name[IP_SET_MAXNAMELEN];	/* the name of the set */
+	rwlock_t lock;			/* lock for concurrency control */
+	ip_set_id_t id;			/* set id for swapping */
+	ip_set_id_t binding;		/* default binding for the set */
+	atomic_t ref;			/* in kernel and in hash references */
+	struct ip_set_type *type; 	/* the set types */
+	void *data;			/* pooltype specific data */
+};
+
+/* Structure to bind set elements to sets */
+struct ip_set_hash {
+	struct list_head list;		/* list of clashing entries in hash */
+	ip_set_ip_t ip;			/* ip from set */
+	ip_set_id_t id;			/* set id */
+	ip_set_id_t binding;		/* set we bind the element to */
+};
+
+/* register and unregister set references */
+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t id);
+extern void ip_set_put(ip_set_id_t id);
+
+/* API for iptables set match, and SET target */
+extern void ip_set_addip_kernel(ip_set_id_t id,
+				const struct sk_buff *skb,
+				const u_int32_t *flags);
+extern void ip_set_delip_kernel(ip_set_id_t id,
+				const struct sk_buff *skb,
+				const u_int32_t *flags);
+extern int ip_set_testip_kernel(ip_set_id_t id,
+				const struct sk_buff *skb,
+				const u_int32_t *flags);
+
+#endif				/* __KERNEL__ */
+
+#endif /*_IP_SET_H*/

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iphash.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iphash.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,30 @@
+#ifndef __IP_SET_IPHASH_H
+#define __IP_SET_IPHASH_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME "iphash"
+#define MAX_RANGE 0x0000FFFF
+
+struct ip_set_iphash {
+	ip_set_ip_t *members;		/* the iphash proper */
+	uint32_t initval;		/* initval for jhash_1word */
+	uint32_t prime;			/* prime for double hashing */
+	uint32_t hashsize;		/* hash size */
+	uint16_t probes;		/* max number of probes  */
+	uint16_t resize;		/* resize factor in percent */
+	ip_set_ip_t netmask;		/* netmask */
+};
+
+struct ip_set_req_iphash_create {
+	uint32_t hashsize;
+	uint16_t probes;
+	uint16_t resize;
+	ip_set_ip_t netmask;
+};
+
+struct ip_set_req_iphash {
+	ip_set_ip_t ip;
+};
+
+#endif	/* __IP_SET_IPHASH_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_ipmap.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_ipmap.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,56 @@
+#ifndef __IP_SET_IPMAP_H
+#define __IP_SET_IPMAP_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME "ipmap"
+#define MAX_RANGE 0x0000FFFF
+
+struct ip_set_ipmap {
+	void *members;			/* the ipmap proper */
+	ip_set_ip_t first_ip;		/* host byte order, included in range */
+	ip_set_ip_t last_ip;		/* host byte order, included in range */
+	ip_set_ip_t netmask;		/* subnet netmask */
+	ip_set_ip_t sizeid;		/* size of set in IPs */
+	u_int16_t hosts;		/* number of hosts in a subnet */
+};
+
+struct ip_set_req_ipmap_create {
+	ip_set_ip_t from;
+	ip_set_ip_t to;
+	ip_set_ip_t netmask;
+};
+
+struct ip_set_req_ipmap {
+	ip_set_ip_t ip;
+};
+
+unsigned int
+mask_to_bits(ip_set_ip_t mask)
+{
+	unsigned int bits = 32;
+	ip_set_ip_t maskaddr;
+	
+	if (mask == 0xFFFFFFFF)
+		return bits;
+	
+	maskaddr = 0xFFFFFFFE;
+	while (--bits >= 0 && maskaddr != mask)
+		maskaddr <<= 1;
+	
+	return bits;
+}
+
+ip_set_ip_t
+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
+{
+	ip_set_ip_t mask = 0xFFFFFFFE;
+	
+	*bits = 32;
+	while (--(*bits) >= 0 && mask && (to & mask) != from)
+		mask <<= 1;
+		
+	return mask;
+}
+	
+#endif /* __IP_SET_IPMAP_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iptree.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_iptree.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,39 @@
+#ifndef __IP_SET_IPTREE_H
+#define __IP_SET_IPTREE_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME "iptree"
+#define MAX_RANGE 0x0000FFFF
+
+struct ip_set_iptreed {
+	unsigned long expires[255];	   	/* x.x.x.ADDR */
+};
+
+struct ip_set_iptreec {
+	struct ip_set_iptreed *tree[255];	/* x.x.ADDR.* */
+};
+
+struct ip_set_iptreeb {
+	struct ip_set_iptreec *tree[255];	/* x.ADDR.*.* */
+};
+
+struct ip_set_iptree {
+	unsigned int timeout;
+	unsigned int gc_interval;
+#ifdef __KERNEL__
+	struct timer_list gc;
+	struct ip_set_iptreeb *tree[255];	/* ADDR.*.*.* */
+#endif
+};
+
+struct ip_set_req_iptree_create {
+	unsigned int timeout;
+};
+
+struct ip_set_req_iptree {
+	ip_set_ip_t ip;
+	unsigned int timeout;
+};
+
+#endif	/* __IP_SET_IPTREE_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_jhash.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_jhash.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,148 @@
+#ifndef _LINUX_IPSET_JHASH_H
+#define _LINUX_IPSET_JHASH_H
+
+/* This is a copy of linux/jhash.h but the types u32/u8 are changed
+ * to __u32/__u8 so that the header file can be included into
+ * userspace code as well. Jozsef Kadlecsik (kadlec at blackhole.kfki.hu)
+ */
+
+/* jhash.h: Jenkins hash support.
+ *
+ * Copyright (C) 1996 Bob Jenkins (bob_jenkins at burtleburtle.net)
+ *
+ * http://burtleburtle.net/bob/hash/
+ *
+ * These are the credits from Bob's sources:
+ *
+ * lookup2.c, by Bob Jenkins, December 1996, Public Domain.
+ * hash(), hash2(), hash3, and mix() are externally useful functions.
+ * Routines to test the hash are included if SELF_TEST is defined.
+ * You can use this free for any purpose.  It has no warranty.
+ *
+ * Copyright (C) 2003 David S. Miller (davem at redhat.com)
+ *
+ * I've modified Bob's hash to be useful in the Linux kernel, and
+ * any bugs present are surely my fault.  -DaveM
+ */
+
+/* NOTE: Arguments are modified. */
+#define __jhash_mix(a, b, c) \
+{ \
+  a -= b; a -= c; a ^= (c>>13); \
+  b -= c; b -= a; b ^= (a<<8); \
+  c -= a; c -= b; c ^= (b>>13); \
+  a -= b; a -= c; a ^= (c>>12);  \
+  b -= c; b -= a; b ^= (a<<16); \
+  c -= a; c -= b; c ^= (b>>5); \
+  a -= b; a -= c; a ^= (c>>3);  \
+  b -= c; b -= a; b ^= (a<<10); \
+  c -= a; c -= b; c ^= (b>>15); \
+}
+
+/* The golden ration: an arbitrary value */
+#define JHASH_GOLDEN_RATIO	0x9e3779b9
+
+/* The most generic version, hashes an arbitrary sequence
+ * of bytes.  No alignment or length assumptions are made about
+ * the input key.
+ */
+static inline __u32 jhash(void *key, __u32 length, __u32 initval)
+{
+	__u32 a, b, c, len;
+	__u8 *k = key;
+
+	len = length;
+	a = b = JHASH_GOLDEN_RATIO;
+	c = initval;
+
+	while (len >= 12) {
+		a += (k[0] +((__u32)k[1]<<8) +((__u32)k[2]<<16) +((__u32)k[3]<<24));
+		b += (k[4] +((__u32)k[5]<<8) +((__u32)k[6]<<16) +((__u32)k[7]<<24));
+		c += (k[8] +((__u32)k[9]<<8) +((__u32)k[10]<<16)+((__u32)k[11]<<24));
+
+		__jhash_mix(a,b,c);
+
+		k += 12;
+		len -= 12;
+	}
+
+	c += length;
+	switch (len) {
+	case 11: c += ((__u32)k[10]<<24);
+	case 10: c += ((__u32)k[9]<<16);
+	case 9 : c += ((__u32)k[8]<<8);
+	case 8 : b += ((__u32)k[7]<<24);
+	case 7 : b += ((__u32)k[6]<<16);
+	case 6 : b += ((__u32)k[5]<<8);
+	case 5 : b += k[4];
+	case 4 : a += ((__u32)k[3]<<24);
+	case 3 : a += ((__u32)k[2]<<16);
+	case 2 : a += ((__u32)k[1]<<8);
+	case 1 : a += k[0];
+	};
+
+	__jhash_mix(a,b,c);
+
+	return c;
+}
+
+/* A special optimized version that handles 1 or more of __u32s.
+ * The length parameter here is the number of __u32s in the key.
+ */
+static inline __u32 jhash2(__u32 *k, __u32 length, __u32 initval)
+{
+	__u32 a, b, c, len;
+
+	a = b = JHASH_GOLDEN_RATIO;
+	c = initval;
+	len = length;
+
+	while (len >= 3) {
+		a += k[0];
+		b += k[1];
+		c += k[2];
+		__jhash_mix(a, b, c);
+		k += 3; len -= 3;
+	}
+
+	c += length * 4;
+
+	switch (len) {
+	case 2 : b += k[1];
+	case 1 : a += k[0];
+	};
+
+	__jhash_mix(a,b,c);
+
+	return c;
+}
+
+
+/* A special ultra-optimized versions that knows they are hashing exactly
+ * 3, 2 or 1 word(s).
+ *
+ * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally
+ *       done at the end is not done here.
+ */
+static inline __u32 jhash_3words(__u32 a, __u32 b, __u32 c, __u32 initval)
+{
+	a += JHASH_GOLDEN_RATIO;
+	b += JHASH_GOLDEN_RATIO;
+	c += initval;
+
+	__jhash_mix(a, b, c);
+
+	return c;
+}
+
+static inline __u32 jhash_2words(__u32 a, __u32 b, __u32 initval)
+{
+	return jhash_3words(a, b, 0, initval);
+}
+
+static inline __u32 jhash_1word(__u32 a, __u32 initval)
+{
+	return jhash_3words(a, 0, 0, initval);
+}
+
+#endif /* _LINUX_IPSET_JHASH_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_macipmap.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_macipmap.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,38 @@
+#ifndef __IP_SET_MACIPMAP_H
+#define __IP_SET_MACIPMAP_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME "macipmap"
+#define MAX_RANGE 0x0000FFFF
+
+/* general flags */
+#define IPSET_MACIP_MATCHUNSET	1
+
+/* per ip flags */
+#define IPSET_MACIP_ISSET	1
+
+struct ip_set_macipmap {
+	void *members;			/* the macipmap proper */
+	ip_set_ip_t first_ip;		/* host byte order, included in range */
+	ip_set_ip_t last_ip;		/* host byte order, included in range */
+	u_int32_t flags;
+};
+
+struct ip_set_req_macipmap_create {
+	ip_set_ip_t from;
+	ip_set_ip_t to;
+	u_int32_t flags;
+};
+
+struct ip_set_req_macipmap {
+	ip_set_ip_t ip;
+	unsigned char ethernet[ETH_ALEN];
+};
+
+struct ip_set_macip {
+	unsigned short flags;
+	unsigned char ethernet[ETH_ALEN];
+};
+
+#endif	/* __IP_SET_MACIPMAP_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_malloc.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_malloc.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,34 @@
+#ifndef _IP_SET_MALLOC_H
+#define _IP_SET_MALLOC_H
+
+#ifdef __KERNEL__
+
+/* Memory allocation and deallocation */
+static size_t max_malloc_size = 0;
+
+static inline void init_max_malloc_size(void)
+{
+#define CACHE(x) max_malloc_size = x;
+#include <linux/kmalloc_sizes.h>
+#undef CACHE
+}
+
+static inline void * ip_set_malloc(size_t bytes)
+{
+	if (bytes > max_malloc_size)
+		return vmalloc(bytes);
+	else
+		return kmalloc(bytes, GFP_KERNEL);
+}
+
+static inline void ip_set_free(void * data, size_t bytes)
+{
+	if (bytes > max_malloc_size)
+		vfree(data);
+	else
+		kfree(data);
+}
+
+#endif				/* __KERNEL__ */
+
+#endif /*_IP_SET_MALLOC_H*/

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_nethash.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_nethash.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,55 @@
+#ifndef __IP_SET_NETHASH_H
+#define __IP_SET_NETHASH_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME "nethash"
+#define MAX_RANGE 0x0000FFFF
+
+struct ip_set_nethash {
+	ip_set_ip_t *members;		/* the nethash proper */
+	uint32_t initval;		/* initval for jhash_1word */
+	uint32_t prime;			/* prime for double hashing */
+	uint32_t hashsize;		/* hash size */
+	uint16_t probes;		/* max number of probes  */
+	uint16_t resize;		/* resize factor in percent */
+	unsigned char cidr[30];		/* CIDR sizes */
+};
+
+struct ip_set_req_nethash_create {
+	uint32_t hashsize;
+	uint16_t probes;
+	uint16_t resize;
+};
+
+struct ip_set_req_nethash {
+	ip_set_ip_t ip;
+	unsigned char cidr;
+};
+
+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
+
+static inline ip_set_ip_t 
+pack(ip_set_ip_t ip, unsigned char cidr)
+{
+	ip_set_ip_t addr, *paddr = &addr;
+	unsigned char n, t, *a;
+
+	addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
+#ifdef __KERNEL__
+	DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
+#endif
+	n = cidr / 8;
+	t = cidr % 8;	
+	a = &((unsigned char *)paddr)[n];
+	*a = *a /(1 << (8 - t)) + shifts[t];
+#ifdef __KERNEL__
+	DP("n: %u, t: %u, a: %u", n, t, *a);
+	DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
+	   HIPQUAD(ip), cidr, NIPQUAD(addr));
+#endif
+
+	return ntohl(addr);
+}
+
+#endif	/* __IP_SET_NETHASH_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_portmap.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_portmap.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,25 @@
+#ifndef __IP_SET_PORTMAP_H
+#define __IP_SET_PORTMAP_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+#define SETTYPE_NAME	"portmap"
+#define MAX_RANGE	0x0000FFFF
+#define INVALID_PORT	(MAX_RANGE + 1)
+
+struct ip_set_portmap {
+	void *members;			/* the portmap proper */
+	ip_set_ip_t first_port;		/* host byte order, included in range */
+	ip_set_ip_t last_port;		/* host byte order, included in range */
+};
+
+struct ip_set_req_portmap_create {
+	ip_set_ip_t from;
+	ip_set_ip_t to;
+};
+
+struct ip_set_req_portmap {
+	ip_set_ip_t port;
+};
+
+#endif /* __IP_SET_PORTMAP_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_prime.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ip_set_prime.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,34 @@
+#ifndef __IP_SET_PRIME_H
+#define __IP_SET_PRIME_H
+
+static inline unsigned make_prime_bound(unsigned nr)
+{
+	unsigned long long nr64 = nr;
+	unsigned long long x = 1;
+	nr = 1;
+	while (x <= nr64) { x <<= 2; nr <<= 1; }
+	return nr;
+}
+
+static inline int make_prime_check(unsigned nr)
+{
+	unsigned x = 3;
+	unsigned b = make_prime_bound(nr);
+	while (x <= b) {
+		if (0 == (nr % x)) return 0;
+		x += 2;
+	}
+	return 1;
+}
+
+static unsigned make_prime(unsigned nr)
+{
+	if (0 == (nr & 1)) nr--;
+	while (nr > 1) {
+		if (make_prime_check(nr)) return nr;
+		nr -= 2;
+	}
+	return 2;
+}
+
+#endif /* __IP_SET_PRIME_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_nth.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_nth.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,19 @@
+#ifndef _IPT_NTH_H
+#define _IPT_NTH_H
+
+#include <linux/param.h>
+#include <linux/types.h>
+
+#ifndef IPT_NTH_NUM_COUNTERS
+#define IPT_NTH_NUM_COUNTERS 16
+#endif
+
+struct ipt_nth_info {
+	u_int8_t every;
+	u_int8_t not;
+	u_int8_t startat;
+	u_int8_t counter;
+	u_int8_t packet;
+};
+
+#endif /*_IPT_NTH_H*/

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_osf.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_osf.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,151 @@
+/*
+ * ipt_osf.h
+ *
+ * Copyright (c) 2003 Evgeniy Polyakov <johnpol at 2ka.mipt.ru>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _IPT_OSF_H
+#define _IPT_OSF_H
+
+#define MAXGENRELEN            32
+#define MAXDETLEN              64
+
+#define IPT_OSF_GENRE          1
+#define        IPT_OSF_SMART           2
+#define IPT_OSF_LOG            4
+#define IPT_OSF_NETLINK                8
+#define IPT_OSF_CONNECTOR	16
+
+#define IPT_OSF_LOGLEVEL_ALL   0
+#define IPT_OSF_LOGLEVEL_FIRST 1
+
+#ifndef __KERNEL__
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+
+struct list_head
+{
+       struct list_head *prev, *next;
+};
+#endif
+
+struct ipt_osf_info
+{
+       char                    genre[MAXGENRELEN];
+       int                     len;
+       unsigned long           flags;
+       int                     loglevel;
+       int                     invert; /* UNSUPPORTED */
+};
+
+struct osf_wc
+{
+       char                    wc;
+       unsigned long           val;
+};
+
+/* This struct represents IANA options
+ * http://www.iana.org/assignments/tcp-parameters
+ */
+struct osf_opt
+{
+       unsigned char           kind;
+       unsigned char           length;
+       struct osf_wc           wc;
+};
+
+struct osf_finger
+{
+       struct list_head        flist;
+       struct osf_wc           wss;
+       unsigned char           ttl;
+       unsigned char           df;
+       unsigned long           ss;
+       unsigned char           genre[MAXGENRELEN];
+       unsigned char           version[MAXGENRELEN], subtype[MAXGENRELEN];
+
+       /* Not needed, but for consistency with original table from Michal Zalewski */
+       unsigned char           details[MAXDETLEN]; 
+
+       int                     opt_num;
+       struct osf_opt          opt[MAX_IPOPTLEN]; /* In case it is all NOP or EOL */
+
+};
+
+struct ipt_osf_nlmsg
+{
+       struct osf_finger       f;
+       struct iphdr            ip;
+       struct tcphdr           tcp;
+};
+
+#ifdef __KERNEL__
+
+#include <linux/list.h>
+#include <net/tcp.h>
+
+
+/* Defines for IANA option kinds */
+
+#define OSFOPT_EOL             0       /* End of options */
+#define OSFOPT_NOP             1       /* NOP */
+#define OSFOPT_MSS             2       /* Maximum segment size */
+#define OSFOPT_WSO             3       /* Window scale option */
+#define OSFOPT_SACKP           4       /* SACK permitted */
+#define OSFOPT_SACK            5       /* SACK */
+#define OSFOPT_ECHO            6
+#define OSFOPT_ECHOREPLY       7
+#define OSFOPT_TS              8       /* Timestamp option */
+#define OSFOPT_POCP            9       /* Partial Order Connection Permitted */
+#define OSFOPT_POSP            10      /* Partial Order Service Profile */
+/* Others are not used in current OSF */
+
+static struct osf_opt IANA_opts[] = 
+{
+       {0, 1,},
+       {1, 1,},
+       {2, 4,},
+       {3, 3,},
+       {4, 2,},
+       {5, 1 ,}, /* SACK length is not defined */
+       {6, 6,},
+       {7, 6,},
+       {8, 10,},
+       {9, 2,},
+       {10, 3,},
+       {11, 1,}, /* CC: Suppose 1 */
+       {12, 1,}, /* the same */
+       {13, 1,}, /* and here too */
+       {14, 3,},
+       {15, 1,}, /* TCP Alternate Checksum Data. Length is not defined */
+       {16, 1,},
+       {17, 1,},
+       {18, 3,},
+       {19, 18,},
+       {20, 1,},
+       {21, 1,},
+       {22, 1,},
+       {23, 1,},
+       {24, 1,},
+       {25, 1,},
+       {26, 1,},
+};
+
+#endif /* __KERNEL__ */
+
+#endif /* _IPT_OSF_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_policy.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_policy.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,52 @@
+#ifndef _IPT_POLICY_H
+#define _IPT_POLICY_H
+
+#define POLICY_MAX_ELEM	4
+
+enum ipt_policy_flags
+{
+	POLICY_MATCH_IN		= 0x1,
+	POLICY_MATCH_OUT	= 0x2,
+	POLICY_MATCH_NONE	= 0x4,
+	POLICY_MATCH_STRICT	= 0x8,
+};
+
+enum ipt_policy_modes
+{
+	POLICY_MODE_TRANSPORT,
+	POLICY_MODE_TUNNEL
+};
+
+struct ipt_policy_spec
+{
+	u_int8_t	saddr:1,
+			daddr:1,
+			proto:1,
+			mode:1,
+			spi:1,
+			reqid:1;
+};
+
+struct ipt_policy_elem
+{
+	u_int32_t	saddr;
+	u_int32_t	smask;
+	u_int32_t	daddr;
+	u_int32_t	dmask;
+	u_int32_t	spi;
+	u_int32_t	reqid;
+	u_int8_t	proto;
+	u_int8_t	mode;
+
+	struct ipt_policy_spec	match;
+	struct ipt_policy_spec	invert;
+};
+
+struct ipt_policy_info
+{
+	struct ipt_policy_elem pol[POLICY_MAX_ELEM];
+	u_int16_t flags;
+	u_int16_t len;
+};
+
+#endif /* _IPT_POLICY_H */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_set.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_set.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,21 @@
+#ifndef _IPT_SET_H
+#define _IPT_SET_H
+
+#include <linux/netfilter_ipv4/ip_set.h>
+
+struct ipt_set_info {
+	ip_set_id_t index;
+	u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
+};
+
+/* match info */
+struct ipt_set_info_match {
+	struct ipt_set_info match_set;
+};
+
+struct ipt_set_info_target {
+	struct ipt_set_info add_set;
+	struct ipt_set_info del_set;
+};
+
+#endif /*_IPT_SET_H*/

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_time.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv4/ipt_time.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,18 @@
+#ifndef __ipt_time_h_included__
+#define __ipt_time_h_included__
+
+
+struct ipt_time_info {
+	u_int8_t  days_match;   /* 1 bit per day. -SMTWTFS                      */
+	u_int16_t time_start;   /* 0 < time_start < 23*60+59 = 1439             */
+	u_int16_t time_stop;    /* 0:0 < time_stat < 23:59                      */
+
+				/* FIXME: Keep this one for userspace iptables binary compability: */
+	u_int8_t  kerneltime;   /* ignore skb time (and use kerneltime) or not. */
+
+	time_t    date_start;
+	time_t    date_stop;
+};
+
+
+#endif /* __ipt_time_h_included__ */

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_nth.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_nth.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,19 @@
+#ifndef _IP6T_NTH_H
+#define _IP6T_NTH_H
+
+#include <linux/param.h>
+#include <linux/types.h>
+
+#ifndef IP6T_NTH_NUM_COUNTERS
+#define IP6T_NTH_NUM_COUNTERS 16
+#endif
+
+struct ip6t_nth_info {
+	u_int8_t every;
+	u_int8_t not;
+	u_int8_t startat;
+	u_int8_t counter;
+	u_int8_t packet;
+};
+
+#endif /*_IP6T_NTH_H*/

Added: netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_policy.h
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/include/linux/netfilter_ipv6/ip6t_policy.h	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,52 @@
+#ifndef _IP6T_POLICY_H
+#define _IP6T_POLICY_H
+
+#define POLICY_MAX_ELEM	4
+
+enum ip6t_policy_flags
+{
+	POLICY_MATCH_IN		= 0x1,
+	POLICY_MATCH_OUT	= 0x2,
+	POLICY_MATCH_NONE	= 0x4,
+	POLICY_MATCH_STRICT	= 0x8,
+};
+
+enum ip6t_policy_modes
+{
+	POLICY_MODE_TRANSPORT,
+	POLICY_MODE_TUNNEL
+};
+
+struct ip6t_policy_spec
+{
+	u_int8_t	saddr:1,
+			daddr:1,
+			proto:1,
+			mode:1,
+			spi:1,
+			reqid:1;
+};
+
+struct ip6t_policy_elem
+{
+	struct in6_addr	saddr;
+	struct in6_addr	smask;
+	struct in6_addr	daddr;
+	struct in6_addr	dmask;
+	u_int32_t	spi;
+	u_int32_t	reqid;
+	u_int8_t	proto;
+	u_int8_t	mode;
+
+	struct ip6t_policy_spec	match;
+	struct ip6t_policy_spec	invert;
+};
+
+struct ip6t_policy_info
+{
+	struct ip6t_policy_elem pol[POLICY_MAX_ELEM];
+	u_int16_t flags;
+	u_int16_t len;
+};
+
+#endif /* _IP6T_POLICY_H */

Modified: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Kconfig
==============================================================================
--- netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Kconfig	(original)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Kconfig	Thu Jul 28 10:51:51 2005
@@ -844,5 +844,176 @@
           <file:Documentation/modules.txt>.  If unsure, say `N'.
 
 
+config IP_NF_MATCH_NTH
+	tristate  'Nth match support'
+	depends on IP_NF_IPTABLES
+	help
+	  This option adds a `Nth' match, which allow you to make
+	  rules that match every Nth packet.  By default there are 
+	  16 different counters.
+	
+	  [options]
+	   --every     Nth              Match every Nth packet
+	  [--counter]  num              Use counter 0-15 (default:0)
+	  [--start]    num              Initialize the counter at the number 'num'
+	                                instead of 0. Must be between 0 and Nth-1
+	  [--packet]   num              Match on 'num' packet. Must be between 0
+	                                and Nth-1.
+	
+	                                If --packet is used for a counter than
+	                                there must be Nth number of --packet
+	                                rules, covering all values between 0 and
+	                                Nth-1 inclusively.
+	 
+	  If you want to compile it as a module, say M here and read
+	  Documentation/modules.txt.  If unsure, say `N'.
+
+config IP_NF_MATCH_OSF
+	tristate  'OSF match support'
+	depends on IP_NF_IPTABLES
+	help
+	
+	  The idea of passive OS fingerprint matching exists for quite a long time,
+	  but was created as extension fo OpenBSD pf only some weeks ago.
+	  Original idea was lurked in some OpenBSD mailing list (thanks
+	  grange at open...) and than adopted for Linux netfilter in form of this code.
+	
+	  Original table was created by Michal Zalewski <lcamtuf at coredump.cx> for
+	  his excellent p0f and than changed a bit for more convenience.
+	
+	  This module compares some data(WS, MSS, options and it's order, ttl,
+	  df and others) from first SYN packet (actually from packets with SYN
+	  bit set) with hardcoded in fingers[] table ones.
+	
+	  If you say Y here, try iptables -m osf --help for more information.
+	 
+	  If you want to compile it as a module, say M here and read
+	  Documentation/modules.txt.  If unsure, say `N'.
+
+config IP_NF_MATCH_POLICY
+       tristate "IPsec policy match support"
+       depends on IP_NF_IPTABLES && XFRM
+       help
+         Policy matching allows you to match packets based on the
+         IPsec policy that was used during decapsulation/will
+         be used during encapsulation.
+
+         To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET
+	tristate "IP set support"
+	depends on INET && NETFILTER
+	help
+	  This option adds IP set support to the kernel.
+	  In order to define and use sets, you need the userspace utility
+	  ipset(8).
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_MAX
+	int "Maximum number of IP sets"
+	default 256
+	range 2 65534
+	depends on IP_NF_SET
+	help
+	  You can define here default value of the maximum number 
+	  of IP sets for the kernel.
+
+	  The value can be overriden by the 'max_sets' module
+	  parameter of the 'ip_set' module.
+
+config IP_NF_SET_HASHSIZE
+	int "Hash size for bindings of IP sets"
+	default 1024
+	depends on IP_NF_SET
+	help
+	  You can define here default value of the hash size for
+	  bindings of IP sets.
+
+	  The value can be overriden by the 'hash_size' module
+	  parameter of the 'ip_set' module.
+
+config IP_NF_SET_IPMAP
+	tristate "ipmap set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the ipmap set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_MACIPMAP
+	tristate "macipmap set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the macipmap set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_PORTMAP
+	tristate "portmap set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the portmap set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_IPHASH
+	tristate "iphash set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the iphash set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_NETHASH
+	tristate "nethash set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the nethash set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_SET_IPTREE
+	tristate "iptree set support"
+	depends on IP_NF_SET
+	help
+	  This option adds the iptree set type support.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_MATCH_SET
+	tristate "set match support"
+	depends on IP_NF_SET
+	help
+	  Set matching matches against given IP sets.
+	  You need the ipset utility to create and set up the sets.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+config IP_NF_TARGET_SET
+	tristate "SET target support"
+	depends on IP_NF_SET
+	help
+	  The SET target makes possible to add/delete entries
+	  in IP sets.
+	  You need the ipset utility to create and set up the sets.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
+
+config IP_NF_MATCH_TIME
+	tristate  'TIME match support'
+	depends on IP_NF_IPTABLES
+	help
+	  This option adds a `time' match, which allows you
+	  to match based on the packet arrival time/date
+	  (arrival time/date at the machine which netfilter is running on) or
+	  departure time/date (for locally generated packets).
+	
+	  If you say Y here, try iptables -m time --help for more information.
+	 
+	  If you want to compile it as a module, say M here and read
+	  Documentation/modules.txt.  If unsure, say `N'.
+
 endmenu
 

Modified: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Makefile
==============================================================================
--- netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Makefile	(original)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/Makefile	Thu Jul 28 10:51:51 2005
@@ -56,6 +56,7 @@
 obj-$(CONFIG_IP_NF_MATCH_HASHLIMIT) += ipt_hashlimit.o
 obj-$(CONFIG_IP_NF_MATCH_SCTP) += ipt_sctp.o
 obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o
+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
 obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o
 obj-$(CONFIG_IP_NF_MATCH_IPRANGE) += ipt_iprange.o
 obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt_pkttype.o
@@ -63,6 +64,14 @@
 obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner.o
 obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o
 
+obj-$(CONFIG_IP_NF_MATCH_TIME) += ipt_time.o
+
+
+obj-$(CONFIG_IP_NF_MATCH_OSF) += ipt_osf.o
+
+
+obj-$(CONFIG_IP_NF_MATCH_NTH) += ipt_nth.o
+
 obj-$(CONFIG_IP_NF_MATCH_FUZZY) += ipt_fuzzy.o
 
 obj-$(CONFIG_IP_NF_MATCH_IPV4OPTIONS) += ipt_ipv4options.o
@@ -80,6 +89,7 @@
 obj-$(CONFIG_IP_NF_MATCH_REALM) += ipt_realm.o
 obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
 obj-$(CONFIG_IP_NF_MATCH_PHYSDEV) += ipt_physdev.o
+obj-$(CONFIG_IP_NF_MATCH_POLICY) += ipt_policy.o
 obj-$(CONFIG_IP_NF_MATCH_COMMENT) += ipt_comment.o
 
 # targets
@@ -100,6 +110,16 @@
 obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
 obj-$(CONFIG_IP_NF_TARGET_TCPMSS) += ipt_TCPMSS.o
 obj-$(CONFIG_IP_NF_TARGET_NOTRACK) += ipt_NOTRACK.o
+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
+
+# sets
+obj-$(CONFIG_IP_NF_SET) += ip_set.o
+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
 obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
 
 # generic ARP tables

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,1989 @@
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem at linux.nu>
+ *                         Patrick Schaaf <bof at bof.de>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 for IP set management */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kmod.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/random.h>
+#include <linux/jhash.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <asm/semaphore.h>
+#include <linux/spinlock.h>
+#include <linux/vmalloc.h>
+
+#define ASSERT_READ_LOCK(x)	/* dont use that */
+#define ASSERT_WRITE_LOCK(x)
+#include <linux/netfilter_ipv4/listhelp.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+
+static struct list_head set_type_list;		/* all registered sets */
+static struct ip_set **ip_set_list;		/* all individual sets */
+static DECLARE_RWLOCK(ip_set_lock);		/* protects the lists and the hash */
+static DECLARE_MUTEX(ip_set_app_mutex);		/* serializes user access */
+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
+static ip_set_id_t ip_set_bindings_hash_size =  CONFIG_IP_NF_SET_HASHSIZE;
+static struct list_head *ip_set_hash;		/* hash of bindings */
+static unsigned int ip_set_hash_random;		/* random seed */
+
+/*
+ * Sets are identified either by the index in ip_set_list or by id.
+ * The id never changes and is used to find a key in the hash. 
+ * The index may change by swapping and used at all other places 
+ * (set/SET netfilter modules, binding value, etc.)
+ *
+ * Userspace requests are serialized by ip_set_mutex and sets can
+ * be deleted only from userspace. Therefore ip_set_list locking 
+ * must obey the following rules:
+ *
+ * - kernel requests: read and write locking mandatory
+ * - user requests: read locking optional, write locking mandatory
+ */
+
+static inline void
+__ip_set_get(ip_set_id_t index)
+{
+	atomic_inc(&ip_set_list[index]->ref);
+}
+
+static inline void
+__ip_set_put(ip_set_id_t index)
+{
+	atomic_dec(&ip_set_list[index]->ref);
+}
+
+/*
+ * Binding routines
+ */
+
+static inline int
+ip_hash_cmp(const struct ip_set_hash *set_hash,
+	    ip_set_id_t id, ip_set_ip_t ip)
+{
+	return set_hash->id == id && set_hash->ip == ip;
+}
+
+static ip_set_id_t
+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
+{
+	u_int32_t key = jhash_2words(id, ip, ip_set_hash_random) 
+				% ip_set_bindings_hash_size;
+	struct ip_set_hash *set_hash;
+
+	MUST_BE_READ_LOCKED(&ip_set_lock);
+	IP_SET_ASSERT(ip_set_list[id]);
+	DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));	
+	
+	set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
+			     struct ip_set_hash *, id, ip);
+	
+	DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, 
+	   HIPQUAD(ip),
+	   set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
+
+	return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
+}
+
+static inline void 
+__set_hash_del(struct ip_set_hash *set_hash)
+{
+	MUST_BE_WRITE_LOCKED(&ip_set_lock);
+	IP_SET_ASSERT(ip_set_list[set_hash->binding]);	
+
+	__ip_set_put(set_hash->binding);
+	list_del(&set_hash->list);
+	kfree(set_hash);
+}
+
+static int
+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
+{
+	u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
+				% ip_set_bindings_hash_size;
+	struct ip_set_hash *set_hash;
+	
+	IP_SET_ASSERT(ip_set_list[id]);
+	DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));	
+	WRITE_LOCK(&ip_set_lock);
+	set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
+			     struct ip_set_hash *, id, ip);
+	DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
+	   HIPQUAD(ip),
+	   set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
+
+	if (set_hash != NULL)
+		__set_hash_del(set_hash);
+	WRITE_UNLOCK(&ip_set_lock);
+	return 0;
+}
+
+static int 
+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
+{
+	u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
+				% ip_set_bindings_hash_size;
+	struct ip_set_hash *set_hash;
+	int ret = 0;
+	
+	IP_SET_ASSERT(ip_set_list[id]);
+	IP_SET_ASSERT(ip_set_list[binding]);
+	DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name, 
+	   HIPQUAD(ip), ip_set_list[binding]->name);
+	WRITE_LOCK(&ip_set_lock);
+	set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
+			     struct ip_set_hash *, id, ip);
+	if (!set_hash) {
+		set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_KERNEL);
+		if (!set_hash) {
+			ret = -ENOMEM;
+			goto unlock;
+		}
+		INIT_LIST_HEAD(&set_hash->list);
+		set_hash->id = id;
+		set_hash->ip = ip;
+		list_add(&ip_set_hash[key], &set_hash->list);
+	} else {
+		IP_SET_ASSERT(ip_set_list[set_hash->binding]);	
+		DP("overwrite binding: %s",
+		   ip_set_list[set_hash->binding]->name);
+		__ip_set_put(set_hash->binding);
+	}
+	set_hash->binding = binding;
+	__ip_set_get(set_hash->binding);
+    unlock:
+	WRITE_UNLOCK(&ip_set_lock);
+	return ret;
+}
+
+#define FOREACH_HASH_DO(fn, args...) 						\
+({										\
+	ip_set_id_t __key;							\
+	struct ip_set_hash *__set_hash;						\
+										\
+	for (__key = 0; __key < ip_set_bindings_hash_size; __key++) {		\
+		list_for_each_entry(__set_hash, &ip_set_hash[__key], list)	\
+			fn(__set_hash , ## args);				\
+	}									\
+})
+
+#define FOREACH_HASH_RW_DO(fn, args...) 						\
+({										\
+	ip_set_id_t __key;							\
+	struct ip_set_hash *__set_hash, *__n;					\
+										\
+	MUST_BE_WRITE_LOCKED(&ip_set_lock);					\
+	for (__key = 0; __key < ip_set_bindings_hash_size; __key++) {		\
+		list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
+			fn(__set_hash , ## args);				\
+	}									\
+})
+
+/* Add, del and test set entries from kernel */
+
+#define follow_bindings(index, set, ip)					\
+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID	\
+ || (index = (set)->binding) != IP_SET_INVALID_ID)
+
+int
+ip_set_testip_kernel(ip_set_id_t index,
+		     const struct sk_buff *skb,
+		     const u_int32_t *flags)
+{
+	struct ip_set *set;
+	ip_set_ip_t ip;
+	int res, i = 0;
+	
+	IP_SET_ASSERT(flags[i]);
+	READ_LOCK(&ip_set_lock);
+	do {
+		set = ip_set_list[index];
+		IP_SET_ASSERT(set);
+		DP("set %s, index %u", set->name, index);
+		read_lock_bh(&set->lock);
+		res = set->type->testip_kernel(set, skb, flags[i], &ip);
+		read_unlock_bh(&set->lock);
+	} while (res > 0 
+		 && flags[++i] 
+		 && follow_bindings(index, set, ip));
+	READ_UNLOCK(&ip_set_lock);
+
+	return res;
+}
+
+void
+ip_set_addip_kernel(ip_set_id_t index,
+		    const struct sk_buff *skb,
+		    const u_int32_t *flags)
+{
+	struct ip_set *set;
+	ip_set_ip_t ip;
+	int res, i= 0;
+
+	IP_SET_ASSERT(flags[i]);
+   retry:
+	READ_LOCK(&ip_set_lock);
+	do {
+		set = ip_set_list[index];
+		IP_SET_ASSERT(set);
+		DP("set %s, index %u", set->name, index);
+		write_lock_bh(&set->lock);
+		res = set->type->addip_kernel(set, skb, flags[i], &ip);
+		write_unlock_bh(&set->lock);
+	} while ((res == 0 || res == -EEXIST)
+		 && flags[++i] 
+		 && follow_bindings(index, set, ip));
+	READ_UNLOCK(&ip_set_lock);
+
+	if (res == -EAGAIN
+	    && set->type->retry
+	    && (res = set->type->retry(set)) == 0)
+	    	goto retry;
+}
+
+void
+ip_set_delip_kernel(ip_set_id_t index,
+		    const struct sk_buff *skb,
+		    const u_int32_t *flags)
+{
+	struct ip_set *set;
+	ip_set_ip_t ip;
+	int res, i = 0;
+
+	IP_SET_ASSERT(flags[i]);
+	READ_LOCK(&ip_set_lock);
+	do {
+		set = ip_set_list[index];
+		IP_SET_ASSERT(set);
+		DP("set %s, index %u", set->name, index);
+		write_lock_bh(&set->lock);
+		res = set->type->delip_kernel(set, skb, flags[i], &ip);
+		write_unlock_bh(&set->lock);
+	} while ((res == 0 || res == -EEXIST)
+		 && flags[++i] 
+		 && follow_bindings(index, set, ip));
+	READ_UNLOCK(&ip_set_lock);
+}
+
+/* Register and deregister settype */
+
+static inline int
+set_type_equal(const struct ip_set_type *set_type, const char *str2)
+{
+	return !strncmp(set_type->typename, str2, IP_SET_MAXNAMELEN - 1);
+}
+
+static inline struct ip_set_type *
+find_set_type(const char *name)
+{
+	return LIST_FIND(&set_type_list,
+			 set_type_equal,
+			 struct ip_set_type *,
+			 name);
+}
+
+int 
+ip_set_register_set_type(struct ip_set_type *set_type)
+{
+	int ret = 0;
+	
+	if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
+		ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
+			      set_type->typename,
+			      set_type->protocol_version,
+			      IP_SET_PROTOCOL_VERSION);
+		return -EINVAL;
+	}
+
+	WRITE_LOCK(&ip_set_lock);
+	if (find_set_type(set_type->typename)) {
+		/* Duplicate! */
+		ip_set_printk("'%s' already registered!", 
+			      set_type->typename);
+		ret = -EINVAL;
+		goto unlock;
+	}
+	if (!try_module_get(THIS_MODULE)) {
+		ret = -EFAULT;
+		goto unlock;
+	}
+	list_append(&set_type_list, set_type);
+	DP("'%s' registered.", set_type->typename);
+   unlock:
+	WRITE_UNLOCK(&ip_set_lock);
+	return ret;
+}
+
+void
+ip_set_unregister_set_type(struct ip_set_type *set_type)
+{
+	WRITE_LOCK(&ip_set_lock);
+	if (!find_set_type(set_type->typename)) {
+		ip_set_printk("'%s' not registered?",
+			      set_type->typename);
+		goto unlock;
+	}
+	LIST_DELETE(&set_type_list, set_type);
+	module_put(THIS_MODULE);
+	DP("'%s' unregistered.", set_type->typename);
+   unlock:
+	WRITE_UNLOCK(&ip_set_lock);
+
+}
+
+/*
+ * Userspace routines
+ */
+
+/*
+ * Find set by name, reference it once. The reference makes sure the
+ * thing pointed to, does not go away under our feet. Drop the reference
+ * later, using ip_set_put().
+ */
+ip_set_id_t
+ip_set_get_byname(const char *name)
+{
+	ip_set_id_t i, index = IP_SET_INVALID_ID;
+	
+	down(&ip_set_app_mutex);
+	for (i = 0; i < ip_set_max; i++) {
+		if (ip_set_list[i] != NULL
+		    && strcmp(ip_set_list[i]->name, name) == 0) {
+			__ip_set_get(i);
+			index = i;
+			break;
+		}
+	}
+	up(&ip_set_app_mutex);
+	return index;
+}
+
+/*
+ * Find set by index, reference it once. The reference makes sure the
+ * thing pointed to, does not go away under our feet. Drop the reference
+ * later, using ip_set_put().
+ */
+ip_set_id_t
+ip_set_get_byindex(ip_set_id_t index)
+{
+	down(&ip_set_app_mutex);
+
+	if (index >= ip_set_max)
+		return IP_SET_INVALID_ID;
+	
+	if (ip_set_list[index])
+		__ip_set_get(index);
+	else
+		index = IP_SET_INVALID_ID;
+		
+	up(&ip_set_app_mutex);
+	return index;
+}
+
+/*
+ * If the given set pointer points to a valid set, decrement
+ * reference count by 1. The caller shall not assume the index
+ * to be valid, after calling this function.
+ */
+void ip_set_put(ip_set_id_t index)
+{
+	down(&ip_set_app_mutex);
+	if (ip_set_list[index])
+		__ip_set_put(index);
+	up(&ip_set_app_mutex);
+}
+
+/* Find a set by name or index */
+static ip_set_id_t
+ip_set_find_byname(const char *name)
+{
+	ip_set_id_t i, index = IP_SET_INVALID_ID;
+	
+	for (i = 0; i < ip_set_max; i++) {
+		if (ip_set_list[i] != NULL
+		    && strcmp(ip_set_list[i]->name, name) == 0) {
+			index = i;
+			break;
+		}
+	}
+	return index;
+}
+
+static ip_set_id_t
+ip_set_find_byindex(ip_set_id_t index)
+{
+	if (index >= ip_set_max || ip_set_list[index] == NULL)
+		index = IP_SET_INVALID_ID;
+	
+	return index;
+}
+
+/*
+ * Add, del, test, bind and unbind
+ */
+
+static inline int
+__ip_set_testip(struct ip_set *set,
+	        const void *data,
+	        size_t size,
+	        ip_set_ip_t *ip)
+{
+	int res;
+
+	read_lock_bh(&set->lock);
+	res = set->type->testip(set, data, size, ip);
+	read_unlock_bh(&set->lock);
+
+	return res;
+}
+
+static int
+__ip_set_addip(ip_set_id_t index,
+	       const void *data,
+	       size_t size)
+{
+	struct ip_set *set = ip_set_list[index];
+	ip_set_ip_t ip;
+	int res;
+	
+	IP_SET_ASSERT(set);
+	do {
+		write_lock_bh(&set->lock);
+		res = set->type->addip(set, data, size, &ip);
+		write_unlock_bh(&set->lock);
+	} while (res == -EAGAIN
+		 && set->type->retry
+		 && (res = set->type->retry(set)) == 0);
+
+	return res;
+}
+
+static int
+ip_set_addip(ip_set_id_t index,
+	     const void *data,
+	     size_t size)
+{
+
+	return __ip_set_addip(index,
+			      data + sizeof(struct ip_set_req_adt),
+			      size - sizeof(struct ip_set_req_adt));
+}
+
+static int
+ip_set_delip(ip_set_id_t index,
+	     const void *data,
+	     size_t size)
+{
+	struct ip_set *set = ip_set_list[index];
+	ip_set_ip_t ip;
+	int res;
+	
+	IP_SET_ASSERT(set);
+	write_lock_bh(&set->lock);
+	res = set->type->delip(set,
+			       data + sizeof(struct ip_set_req_adt),
+			       size - sizeof(struct ip_set_req_adt),
+			       &ip);
+	write_unlock_bh(&set->lock);
+
+	return res;
+}
+
+static int
+ip_set_testip(ip_set_id_t index,
+	      const void *data,
+	      size_t size)
+{
+	struct ip_set *set = ip_set_list[index];
+	ip_set_ip_t ip;
+	int res;
+
+	IP_SET_ASSERT(set);
+	res = __ip_set_testip(set,
+			      data + sizeof(struct ip_set_req_adt),
+			      size - sizeof(struct ip_set_req_adt),
+			      &ip);
+
+	return (res > 0 ? -EEXIST : res);
+}
+
+static int
+ip_set_bindip(ip_set_id_t index,
+	      const void *data,
+	      size_t size)
+{
+	struct ip_set *set = ip_set_list[index];
+	struct ip_set_req_bind *req_bind;
+	ip_set_id_t binding;
+	ip_set_ip_t ip;
+	int res;
+
+	IP_SET_ASSERT(set);
+	if (size < sizeof(struct ip_set_req_bind))
+		return -EINVAL;
+		
+	req_bind = (struct ip_set_req_bind *) data;
+	req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
+
+	if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
+		/* Default binding of a set */
+		char *binding_name;
+		
+		if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
+			return -EINVAL;
+
+		binding_name = (char *)(data + sizeof(struct ip_set_req_bind));	
+		binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
+
+		binding = ip_set_find_byname(binding_name);
+		if (binding == IP_SET_INVALID_ID)
+			return -ENOENT;
+
+		WRITE_LOCK(&ip_set_lock);
+		/* Sets as binding values are referenced */
+		if (set->binding != IP_SET_INVALID_ID)
+			__ip_set_put(set->binding);
+		set->binding = binding;
+		__ip_set_get(set->binding);
+		WRITE_UNLOCK(&ip_set_lock);
+
+		return 0;
+	}
+	binding = ip_set_find_byname(req_bind->binding);
+	if (binding == IP_SET_INVALID_ID)
+		return -ENOENT;
+
+	res = __ip_set_testip(set,
+			      data + sizeof(struct ip_set_req_bind),
+			      size - sizeof(struct ip_set_req_bind),
+			      &ip);
+	DP("set %s, ip: %u.%u.%u.%u, binding %s",
+	   set->name, HIPQUAD(ip), ip_set_list[binding]->name);
+	
+	if (res >= 0)
+		res = ip_set_hash_add(set->id, ip, binding);
+
+	return res;
+}
+
+#define FOREACH_SET_DO(fn, args...) 				\
+({								\
+	ip_set_id_t __i;					\
+	struct ip_set *__set;					\
+								\
+	for (__i = 0; __i < ip_set_max; __i++) {		\
+		__set = ip_set_list[__i];			\
+		if (__set != NULL)				\
+			fn(__set , ##args);			\
+	}							\
+})
+
+static inline void
+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
+{
+	if (set_hash->id == id)
+		__set_hash_del(set_hash);
+}
+
+static inline void
+__unbind_default(struct ip_set *set)
+{
+	if (set->binding != IP_SET_INVALID_ID) {
+		/* Sets as binding values are referenced */
+		__ip_set_put(set->binding);
+		set->binding = IP_SET_INVALID_ID;
+	}
+}
+
+static int
+ip_set_unbindip(ip_set_id_t index,
+	        const void *data,
+	        size_t size)
+{
+	struct ip_set *set;
+	struct ip_set_req_bind *req_bind;
+	ip_set_ip_t ip;
+	int res;
+
+	DP("");
+	if (size < sizeof(struct ip_set_req_bind))
+		return -EINVAL;
+		
+	req_bind = (struct ip_set_req_bind *) data;
+	req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
+	
+	DP("%u %s", index, req_bind->binding);
+	if (index == IP_SET_INVALID_ID) {
+		/* unbind :all: */
+		if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
+			/* Default binding of sets */
+			WRITE_LOCK(&ip_set_lock);
+			FOREACH_SET_DO(__unbind_default);
+			WRITE_UNLOCK(&ip_set_lock);
+			return 0;
+		} else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
+			/* Flush all bindings of all sets*/
+			WRITE_LOCK(&ip_set_lock);
+			FOREACH_HASH_RW_DO(__set_hash_del);
+			WRITE_UNLOCK(&ip_set_lock);
+			return 0;
+		}
+		DP("unreachable reached!");
+		return -EINVAL;
+	}
+	
+	set = ip_set_list[index];
+	IP_SET_ASSERT(set);
+	if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
+		/* Default binding of set */
+		ip_set_id_t binding = ip_set_find_byindex(set->binding);
+
+		if (binding == IP_SET_INVALID_ID)
+			return -ENOENT;
+			
+		WRITE_LOCK(&ip_set_lock);
+		/* Sets in hash values are referenced */
+		__ip_set_put(set->binding);
+		set->binding = IP_SET_INVALID_ID;
+		WRITE_UNLOCK(&ip_set_lock);
+
+		return 0;
+	} else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
+		/* Flush all bindings */
+
+		WRITE_LOCK(&ip_set_lock);
+		FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
+		WRITE_UNLOCK(&ip_set_lock);
+		return 0;
+	}
+	
+	res = __ip_set_testip(set,
+			      data + sizeof(struct ip_set_req_bind),
+			      size - sizeof(struct ip_set_req_bind),
+			      &ip);
+
+	DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
+	if (res >= 0)
+		res = ip_set_hash_del(set->id, ip);
+
+	return res;
+}
+
+static int
+ip_set_testbind(ip_set_id_t index,
+	        const void *data,
+	        size_t size)
+{
+	struct ip_set *set = ip_set_list[index];
+	struct ip_set_req_bind *req_bind;
+	ip_set_id_t binding;
+	ip_set_ip_t ip;
+	int res;
+
+	IP_SET_ASSERT(set);
+	if (size < sizeof(struct ip_set_req_bind))
+		return -EINVAL;
+		
+	req_bind = (struct ip_set_req_bind *) data;
+	req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
+
+	if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
+		/* Default binding of set */
+		char *binding_name;
+		
+		if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
+			return -EINVAL;
+
+		binding_name = (char *)(data + sizeof(struct ip_set_req_bind));	
+		binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
+
+		binding = ip_set_find_byname(binding_name);
+		if (binding == IP_SET_INVALID_ID)
+			return -ENOENT;
+		
+		res = (set->binding == binding) ? -EEXIST : 0;
+
+		return res;
+	}
+	binding = ip_set_find_byname(req_bind->binding);
+	if (binding == IP_SET_INVALID_ID)
+		return -ENOENT;
+		
+	
+	res = __ip_set_testip(set,
+			      data + sizeof(struct ip_set_req_bind),
+			      size - sizeof(struct ip_set_req_bind),
+			      &ip);
+	DP("set %s, ip: %u.%u.%u.%u, binding %s",
+	   set->name, HIPQUAD(ip), ip_set_list[binding]->name);
+	   
+	if (res >= 0)
+		res = (ip_set_find_in_hash(set->id, ip) == binding)
+			? -EEXIST : 0;
+
+	return res;
+}
+
+static struct ip_set_type *
+find_set_type_rlock(const char *typename)
+{
+	struct ip_set_type *type;
+	
+	READ_LOCK(&ip_set_lock);
+	type = find_set_type(typename);
+	if (type == NULL)
+		READ_UNLOCK(&ip_set_lock);
+
+	return type;
+}
+
+static int
+find_free_id(const char *name,
+	     ip_set_id_t *index,
+	     ip_set_id_t *id)
+{
+	ip_set_id_t i;
+
+	*id = IP_SET_INVALID_ID;
+	for (i = 0;  i < ip_set_max; i++) {
+		if (ip_set_list[i] == NULL) {
+			if (*id == IP_SET_INVALID_ID)
+				*id = *index = i;
+		} else if (strcmp(name, ip_set_list[i]->name) == 0)
+			/* Name clash */
+			return -EEXIST;
+	}
+	if (*id == IP_SET_INVALID_ID)
+		/* No free slot remained */
+		return -ERANGE;
+	/* Check that index is usable as id (swapping) */
+    check:	
+	for (i = 0;  i < ip_set_max; i++) {
+		if (ip_set_list[i] != NULL
+		    && ip_set_list[i]->id == *id) {
+		    *id = i;
+		    goto check;
+		}
+	}
+	return 0;
+}
+
+/*
+ * Create a set
+ */
+static int
+ip_set_create(const char *name,
+	      const char *typename,
+	      ip_set_id_t restore,
+	      const void *data,
+	      size_t size)
+{
+	struct ip_set *set;
+	ip_set_id_t index, id;
+	int res = 0;
+
+	DP("setname: %s, typename: %s, id: %u", name, typename, restore);
+	/*
+	 * First, and without any locks, allocate and initialize
+	 * a normal base set structure.
+	 */
+	set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
+	if (!set)
+		return -ENOMEM;
+	set->lock = RW_LOCK_UNLOCKED;
+	strncpy(set->name, name, IP_SET_MAXNAMELEN);
+	set->binding = IP_SET_INVALID_ID;
+	atomic_set(&set->ref, 0);
+
+	/*
+	 * Next, take the &ip_set_lock, check that we know the type,
+	 * and take a reference on the type, to make sure it
+	 * stays available while constructing our new set.
+	 *
+	 * After referencing the type, we drop the &ip_set_lock,
+	 * and let the new set construction run without locks.
+	 */
+	set->type = find_set_type_rlock(typename);
+	if (set->type == NULL) {
+		/* Try loading the module */
+		char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
+		strcpy(modulename, "ip_set_");
+		strcat(modulename, typename);
+		DP("try to load %s", modulename);
+		request_module(modulename);
+		set->type = find_set_type_rlock(typename);
+	}
+	if (set->type == NULL) {
+		ip_set_printk("no set type '%s', set '%s' not created",
+			      typename, name);
+		res = -ENOENT;
+		goto out;
+	}
+	if (!try_module_get(set->type->me)) {
+		READ_UNLOCK(&ip_set_lock);
+		res = -EFAULT;
+		goto out;
+	}
+	READ_UNLOCK(&ip_set_lock);
+
+	/*
+	 * Without holding any locks, create private part.
+	 */
+	res = set->type->create(set, data, size);
+	if (res != 0)
+		goto put_out;
+
+	/* BTW, res==0 here. */
+
+	/*
+	 * Here, we have a valid, constructed set. &ip_set_lock again,
+	 * find free id/index and check that it is not already in 
+	 * ip_set_list.
+	 */
+	WRITE_LOCK(&ip_set_lock);
+	if ((res = find_free_id(set->name, &index, &id)) != 0) {
+		DP("no free id!");
+		goto cleanup;
+	}
+
+	/* Make sure restore gets the same index */
+	if (restore != IP_SET_INVALID_ID && index != restore) {
+		DP("Can't restore, sets are screwed up");
+		res = -ERANGE;
+		goto cleanup;
+	}
+	 
+	/*
+	 * Finally! Add our shiny new set to the list, and be done.
+	 */
+	DP("create: '%s' created with index %u, id %u!", set->name, index, id);
+	set->id = id;
+	ip_set_list[index] = set;
+	WRITE_UNLOCK(&ip_set_lock);
+	return res;
+	
+    cleanup:
+	WRITE_UNLOCK(&ip_set_lock);
+	set->type->destroy(set);
+    put_out:
+	module_put(set->type->me);
+    out:
+	kfree(set);
+	return res;
+}
+
+/*
+ * Destroy a given existing set
+ */
+static void
+ip_set_destroy_set(ip_set_id_t index)
+{
+	struct ip_set *set = ip_set_list[index];
+
+	IP_SET_ASSERT(set);
+	DP("set: %s",  set->name);
+	WRITE_LOCK(&ip_set_lock);
+	FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
+	if (set->binding != IP_SET_INVALID_ID)
+		__ip_set_put(set->binding);
+	ip_set_list[index] = NULL;
+	WRITE_UNLOCK(&ip_set_lock);
+
+	/* Must call it without holding any lock */
+	set->type->destroy(set);
+	module_put(set->type->me);
+	kfree(set);
+}
+
+/*
+ * Destroy a set - or all sets
+ * Sets must not be referenced/used.
+ */
+static int
+ip_set_destroy(ip_set_id_t index)
+{
+	ip_set_id_t i;
+
+	/* ref modification always protected by the mutex */
+	if (index != IP_SET_INVALID_ID) {
+		if (atomic_read(&ip_set_list[index]->ref))
+			return -EBUSY;
+		ip_set_destroy_set(index);
+	} else {
+		for (i = 0; i < ip_set_max; i++) {
+			if (ip_set_list[i] != NULL 
+			    && (atomic_read(&ip_set_list[i]->ref)))
+			    	return -EBUSY;
+		}
+
+		for (i = 0; i < ip_set_max; i++) {
+			if (ip_set_list[i] != NULL)
+				ip_set_destroy_set(i);
+		}
+	}
+	return 0;
+}
+
+static void
+ip_set_flush_set(struct ip_set *set)
+{
+	DP("set: %s %u",  set->name, set->id);
+
+	write_lock_bh(&set->lock);
+	set->type->flush(set);
+	write_unlock_bh(&set->lock);
+}
+
+/* 
+ * Flush data in a set - or in all sets
+ */
+static int
+ip_set_flush(ip_set_id_t index)
+{
+	if (index != IP_SET_INVALID_ID) {
+		IP_SET_ASSERT(ip_set_list[index]);
+		ip_set_flush_set(ip_set_list[index]);
+	} else
+		FOREACH_SET_DO(ip_set_flush_set);
+
+	return 0;
+}
+
+/* Rename a set */
+static int
+ip_set_rename(ip_set_id_t index, const char *name)
+{
+	struct ip_set *set = ip_set_list[index];
+	ip_set_id_t i;
+	int res = 0;
+
+	DP("set: %s to %s",  set->name, name);
+	WRITE_LOCK(&ip_set_lock);
+	for (i = 0; i < ip_set_max; i++) {
+		if (ip_set_list[i] != NULL
+		    && strncmp(ip_set_list[i]->name, 
+			       name,
+			       IP_SET_MAXNAMELEN - 1) == 0) {
+			res = -EEXIST;
+			goto unlock;
+		}
+	}
+	strncpy(set->name, name, IP_SET_MAXNAMELEN);
+    unlock:
+	WRITE_UNLOCK(&ip_set_lock);
+	return res;
+}
+
+/*
+ * Swap two sets so that name/index points to the other.
+ * References are also swapped.
+ */
+static int
+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
+{
+	struct ip_set *from = ip_set_list[from_index];
+	struct ip_set *to = ip_set_list[to_index];
+	char from_name[IP_SET_MAXNAMELEN];
+	u_int32_t from_ref;
+
+	DP("set: %s to %s",  from->name, to->name);
+	/* Type can't be changed. Artifical restriction. */
+	if (from->type->typecode != to->type->typecode)
+		return -ENOEXEC;
+
+	/* No magic here: ref munging protected by the mutex */	
+	WRITE_LOCK(&ip_set_lock);
+	strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
+	from_ref = atomic_read(&from->ref);
+
+	strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
+	atomic_set(&from->ref, atomic_read(&to->ref));
+	strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
+	atomic_set(&to->ref, from_ref);
+	
+	ip_set_list[from_index] = to;
+	ip_set_list[to_index] = from;
+	
+	WRITE_UNLOCK(&ip_set_lock);
+	return 0;
+}
+
+/*
+ * List set data
+ */
+
+static inline void
+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
+			      ip_set_id_t id, size_t *size)
+{
+	if (set_hash->id == id)
+		*size += sizeof(struct ip_set_hash_list);
+}
+
+static inline void
+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
+			      ip_set_id_t id, size_t *size)
+{
+	if (set_hash->id == id)
+		*size += sizeof(struct ip_set_hash_save);
+}
+
+static inline void
+__set_hash_bindings(struct ip_set_hash *set_hash,
+		    ip_set_id_t id, void *data, int *used)
+{
+	if (set_hash->id == id) {
+		struct ip_set_hash_list *hash_list = 
+			(struct ip_set_hash_list *)(data + *used);
+
+		hash_list->ip = set_hash->ip;
+		hash_list->binding = set_hash->binding;
+		*used += sizeof(struct ip_set_hash_list);
+	}
+}
+
+static int ip_set_list_set(ip_set_id_t index,
+			   void *data,
+			   int *used,
+			   int len)
+{
+	struct ip_set *set = ip_set_list[index];
+	struct ip_set_list *set_list;
+
+	/* Pointer to our header */
+	set_list = (struct ip_set_list *) (data + *used);
+
+	DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
+
+	/* Get and ensure header size */
+	if (*used + sizeof(struct ip_set_list) > len)
+		goto not_enough_mem;
+	*used += sizeof(struct ip_set_list);
+
+	read_lock_bh(&set->lock);
+	/* Get and ensure set specific header size */
+	set_list->header_size = set->type->header_size;
+	if (*used + set_list->header_size > len)
+		goto unlock_set;
+
+	/* Fill in the header */
+	set_list->index = index;
+	set_list->binding = set->binding;
+	set_list->ref = atomic_read(&set->ref);
+
+	/* Fill in set spefific header data */
+	set->type->list_header(set, data + *used);
+	*used += set_list->header_size;
+
+	/* Get and ensure set specific members size */
+	set_list->members_size = set->type->list_members_size(set);
+	if (*used + set_list->members_size > len)
+		goto unlock_set;
+
+	/* Fill in set spefific members data */
+	set->type->list_members(set, data + *used);
+	*used += set_list->members_size;
+	read_unlock_bh(&set->lock);
+
+	/* Bindings */
+
+	/* Get and ensure set specific bindings size */
+	set_list->bindings_size = 0;
+	FOREACH_HASH_DO(__set_hash_bindings_size_list,
+			set->id, &set_list->bindings_size);
+	if (*used + set_list->bindings_size > len)
+		goto not_enough_mem;
+
+	/* Fill in set spefific bindings data */
+	FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
+	
+	return 0;
+
+    unlock_set:
+	read_unlock_bh(&set->lock);
+    not_enough_mem:
+	DP("not enough mem, try again");
+	return -EAGAIN;
+}
+
+/*
+ * Save sets
+ */
+static int ip_set_save_set(ip_set_id_t index,
+			   void *data,
+			   int *used,
+			   int len)
+{
+	struct ip_set *set;
+	struct ip_set_save *set_save;
+
+	/* Pointer to our header */
+	set_save = (struct ip_set_save *) (data + *used);
+
+	/* Get and ensure header size */
+	if (*used + sizeof(struct ip_set_save) > len)
+		goto not_enough_mem;
+	*used += sizeof(struct ip_set_save);
+
+	set = ip_set_list[index];
+	DP("set: %s, used: %u(%u) %p %p", set->name, *used, len, 
+	   data, data + *used);
+
+	read_lock_bh(&set->lock);
+	/* Get and ensure set specific header size */
+	set_save->header_size = set->type->header_size;
+	if (*used + set_save->header_size > len)
+		goto unlock_set;
+
+	/* Fill in the header */
+	set_save->index = index;
+	set_save->binding = set->binding;
+
+	/* Fill in set spefific header data */
+	set->type->list_header(set, data + *used);
+	*used += set_save->header_size;
+
+	DP("set header filled: %s, used: %u %p %p", set->name, *used,
+	   data, data + *used);
+	/* Get and ensure set specific members size */
+	set_save->members_size = set->type->list_members_size(set);
+	if (*used + set_save->members_size > len)
+		goto unlock_set;
+
+	/* Fill in set spefific members data */
+	set->type->list_members(set, data + *used);
+	*used += set_save->members_size;
+	read_unlock_bh(&set->lock);
+	DP("set members filled: %s, used: %u %p %p", set->name, *used,
+	   data, data + *used);
+	return 0;
+
+    unlock_set:
+	read_unlock_bh(&set->lock);
+    not_enough_mem:
+	DP("not enough mem, try again");
+	return -EAGAIN;
+}
+
+static inline void
+__set_hash_save_bindings(struct ip_set_hash *set_hash,
+			 ip_set_id_t id,
+			 void *data,
+			 int *used,
+			 int len,
+			 int *res)
+{
+	if (*res == 0
+	    && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
+		struct ip_set_hash_save *hash_save = 
+			(struct ip_set_hash_save *)(data + *used);
+		/* Ensure bindings size */
+		if (*used + sizeof(struct ip_set_hash_save) > len) {
+			*res = -ENOMEM;
+			return;
+		}
+		hash_save->id = set_hash->id;
+		hash_save->ip = set_hash->ip;
+		hash_save->binding = set_hash->binding;
+		*used += sizeof(struct ip_set_hash_save);
+	}
+}
+
+static int ip_set_save_bindings(ip_set_id_t index,
+			   	void *data,
+			   	int *used,
+			   	int len)
+{
+	int res = 0;
+	struct ip_set_save *set_save;
+
+	DP("used %u, len %u", *used, len);
+	/* Get and ensure header size */
+	if (*used + sizeof(struct ip_set_save) > len)
+		return -ENOMEM;
+
+	/* Marker */
+	set_save = (struct ip_set_save *) (data + *used);
+	set_save->index = IP_SET_INVALID_ID;
+	*used += sizeof(struct ip_set_save);
+
+	DP("marker added used %u, len %u", *used, len);
+	/* Fill in bindings data */
+	if (index != IP_SET_INVALID_ID)
+		/* Sets are identified by id in hash */
+		index = ip_set_list[index]->id;
+	FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
+
+	return res;	
+}
+
+/*
+ * Restore sets
+ */
+static int ip_set_restore(void *data,
+			  int len)
+{
+	int res = 0;
+	int line = 0, used = 0, members_size;
+	struct ip_set *set;
+	struct ip_set_hash_save *hash_save;
+	struct ip_set_restore *set_restore;
+	ip_set_id_t index;
+
+	/* Loop to restore sets */
+	while (1) {
+		line++;
+		
+		DP("%u %u %u", used, sizeof(struct ip_set_restore), len);
+		/* Get and ensure header size */
+		if (used + sizeof(struct ip_set_restore) > len)
+			return line;
+		set_restore = (struct ip_set_restore *) (data + used);
+		used += sizeof(struct ip_set_restore);
+
+		/* Ensure data size */
+		if (used 
+		    + set_restore->header_size 
+		    + set_restore->members_size > len)
+			return line;
+
+		/* Check marker */
+		if (set_restore->index == IP_SET_INVALID_ID) {
+			line--;
+			goto bindings;
+		}
+		
+		/* Try to create the set */
+		DP("restore %s %s", set_restore->name, set_restore->typename);
+		res = ip_set_create(set_restore->name,
+				    set_restore->typename,
+				    set_restore->index,
+				    data + used,
+				    set_restore->header_size);
+		
+		if (res != 0)
+			return line;
+		used += set_restore->header_size;
+
+		index = ip_set_find_byindex(set_restore->index);
+		DP("index %u, restore_index %u", index, set_restore->index);
+		if (index != set_restore->index)
+			return line;
+		/* Try to restore members data */
+		set = ip_set_list[index];
+		members_size = 0;
+		DP("members_size %u reqsize %u",
+		   set_restore->members_size, set->type->reqsize);
+		while (members_size + set->type->reqsize <=
+		       set_restore->members_size) {
+			line++;
+		       	DP("members: %u, line %u", members_size, line);
+			res = __ip_set_addip(index,
+					   data + used + members_size,
+					   set->type->reqsize);
+			if (!(res == 0 || res == -EEXIST)) 
+				return line;
+			members_size += set->type->reqsize;
+		}
+
+		DP("members_size %u  %u",
+		   set_restore->members_size, members_size);
+		if (members_size != set_restore->members_size)
+			return line++;
+		used += set_restore->members_size;		
+	}
+	
+   bindings:
+   	/* Loop to restore bindings */
+   	while (used < len) {
+		line++;
+
+		DP("restore binding, line %u", line);		
+		/* Get and ensure size */
+		if (used + sizeof(struct ip_set_hash_save) > len)
+			return line;
+		hash_save = (struct ip_set_hash_save *) (data + used);
+		used += sizeof(struct ip_set_hash_save);
+		
+		/* hash_save->id is used to store the index */
+		index = ip_set_find_byindex(hash_save->id);
+		DP("restore binding index %u, id %u, %u -> %u",
+		   index, hash_save->id, hash_save->ip, hash_save->binding);		
+		if (index != hash_save->id)
+			return line;
+			
+		set = ip_set_list[hash_save->id];
+		/* Null valued IP means default binding */
+		if (hash_save->ip)
+			res = ip_set_hash_add(set->id, 
+					      hash_save->ip,
+					      hash_save->binding);
+		else {
+			IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
+			WRITE_LOCK(&ip_set_lock);
+			set->binding = hash_save->binding;
+			__ip_set_get(set->binding);
+			WRITE_UNLOCK(&ip_set_lock);
+			DP("default binding: %u", set->binding);
+		}
+		if (res != 0)
+			return line;
+   	}
+   	if (used != len)
+   		return line;
+   	
+	return 0;	
+}
+
+static int
+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
+{
+	void *data;
+	int res = 0;		/* Assume OK */
+	unsigned *op;
+	struct ip_set_req_adt *req_adt;
+	ip_set_id_t index = IP_SET_INVALID_ID;
+	int (*adtfn)(ip_set_id_t index,
+		     const void *data, size_t size);
+	struct fn_table {
+		int (*fn)(ip_set_id_t index,
+			  const void *data, size_t size);
+	} adtfn_table[] =
+	{ { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
+	  { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
+	};
+
+	DP("optval=%d, user=%p, len=%d", optval, user, len);
+	if (!capable(CAP_NET_ADMIN))
+		return -EPERM;
+	if (optval != SO_IP_SET)
+		return -EBADF;
+	if (len <= sizeof(unsigned)) {
+		ip_set_printk("short userdata (want >%zu, got %u)",
+			      sizeof(unsigned), len);
+		return -EINVAL;
+	}
+	data = vmalloc(len);
+	if (!data) {
+		DP("out of mem for %u bytes", len);
+		return -ENOMEM;
+	}
+	if (copy_from_user(data, user, len) != 0) {
+		res = -EFAULT;
+		goto done;
+	}
+	if (down_interruptible(&ip_set_app_mutex)) {
+		res = -EINTR;
+		goto done;
+	}
+
+	op = (unsigned *)data;
+	DP("op=%x", *op);
+	
+	if (*op < IP_SET_OP_VERSION) {
+		/* Check the version at the beginning of operations */
+		struct ip_set_req_version *req_version =
+			(struct ip_set_req_version *) data;
+		if (req_version->version != IP_SET_PROTOCOL_VERSION) {
+			res = -EPROTO;
+			goto done;
+		}
+	}
+
+	switch (*op) {
+	case IP_SET_OP_CREATE:{
+		struct ip_set_req_create *req_create
+			= (struct ip_set_req_create *) data;
+		
+		if (len <= sizeof(struct ip_set_req_create)) {
+			ip_set_printk("short CREATE data (want >%zu, got %u)",
+				      sizeof(struct ip_set_req_create), len);
+			res = -EINVAL;
+			goto done;
+		}
+		req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
+		req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
+		res = ip_set_create(req_create->name,
+				    req_create->typename,
+				    IP_SET_INVALID_ID,
+				    data + sizeof(struct ip_set_req_create),
+				    len - sizeof(struct ip_set_req_create));
+		goto done;
+	}
+	case IP_SET_OP_DESTROY:{
+		struct ip_set_req_std *req_destroy
+			= (struct ip_set_req_std *) data;
+		
+		if (len != sizeof(struct ip_set_req_std)) {
+			ip_set_printk("invalid DESTROY data (want %zu, got %u)",
+				      sizeof(struct ip_set_req_std), len);
+			res = -EINVAL;
+			goto done;
+		}
+		if (strcmp(req_destroy->name, IPSET_TOKEN_ALL) == 0) {
+			/* Destroy all sets */
+			index = IP_SET_INVALID_ID;
+		} else {
+			req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
+			index = ip_set_find_byname(req_destroy->name);
+
+			if (index == IP_SET_INVALID_ID) {
+				res = -ENOENT;
+				goto done;
+			}
+		}
+			
+		res = ip_set_destroy(index);
+		goto done;
+	}
+	case IP_SET_OP_FLUSH:{
+		struct ip_set_req_std *req_flush =
+			(struct ip_set_req_std *) data;
+
+		if (len != sizeof(struct ip_set_req_std)) {
+			ip_set_printk("invalid FLUSH data (want %zu, got %u)",
+				      sizeof(struct ip_set_req_std), len);
+			res = -EINVAL;
+			goto done;
+		}
+		if (strcmp(req_flush->name, IPSET_TOKEN_ALL) == 0) {
+			/* Flush all sets */
+			index = IP_SET_INVALID_ID;
+		} else {
+			req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
+			index = ip_set_find_byname(req_flush->name);
+
+			if (index == IP_SET_INVALID_ID) {
+				res = -ENOENT;
+				goto done;
+			}
+		}
+		res = ip_set_flush(index);
+		goto done;
+	}
+	case IP_SET_OP_RENAME:{
+		struct ip_set_req_create *req_rename
+			= (struct ip_set_req_create *) data;
+
+		if (len != sizeof(struct ip_set_req_create)) {
+			ip_set_printk("invalid RENAME data (want %zu, got %u)",
+				      sizeof(struct ip_set_req_create), len);
+			res = -EINVAL;
+			goto done;
+		}
+
+		req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
+		req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
+			
+		index = ip_set_find_byname(req_rename->name);
+		if (index == IP_SET_INVALID_ID) {
+			res = -ENOENT;
+			goto done;
+		}
+		res = ip_set_rename(index, req_rename->typename);
+		goto done;
+	}
+	case IP_SET_OP_SWAP:{
+		struct ip_set_req_create *req_swap
+			= (struct ip_set_req_create *) data;
+		ip_set_id_t to_index;
+
+		if (len != sizeof(struct ip_set_req_create)) {
+			ip_set_printk("invalid SWAP data (want %zu, got %u)",
+				      sizeof(struct ip_set_req_create), len);
+			res = -EINVAL;
+			goto done;
+		}
+
+		req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
+		req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
+
+		index = ip_set_find_byname(req_swap->name);
+		if (index == IP_SET_INVALID_ID) {
+			res = -ENOENT;
+			goto done;
+		}
+		to_index = ip_set_find_byname(req_swap->typename);
+		if (to_index == IP_SET_INVALID_ID) {
+			res = -ENOENT;
+			goto done;
+		}
+		res = ip_set_swap(index, to_index);
+		goto done;
+	}
+	default: 
+		break;	/* Set identified by id */
+	}
+	
+	/* There we may have add/del/test/bind/unbind/test_bind operations */
+	if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
+		res = -EBADMSG;
+		goto done;
+	}
+	adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
+
+	if (len < sizeof(struct ip_set_req_adt)) {
+		ip_set_printk("short data in adt request (want >=%zu, got %u)",
+			      sizeof(struct ip_set_req_adt), len);
+		res = -EINVAL;
+		goto done;
+	}
+	req_adt = (struct ip_set_req_adt *) data;
+
+	/* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
+	if (!(*op == IP_SET_OP_UNBIND_SET 
+	      && req_adt->index == IP_SET_INVALID_ID)) {
+		index = ip_set_find_byindex(req_adt->index);
+		if (index == IP_SET_INVALID_ID) {
+			res = -ENOENT;
+			goto done;
+		}
+	}
+	res = adtfn(index, data, len);
+
+    done:
+	up(&ip_set_app_mutex);
+	vfree(data);
+	if (res > 0)
+		res = 0;
+	DP("final result %d", res);
+	return res;
+}
+
+static int 
+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
+{
+	int res = 0;
+	unsigned *op;
+	ip_set_id_t index = IP_SET_INVALID_ID;
+	void *data;
+	int copylen = *len;
+
+	DP("optval=%d, user=%p, len=%d", optval, user, *len);
+	if (!capable(CAP_NET_ADMIN))
+		return -EPERM;
+	if (optval != SO_IP_SET)
+		return -EBADF;
+	if (*len < sizeof(unsigned)) {
+		ip_set_printk("short userdata (want >=%zu, got %d)",
+			      sizeof(unsigned), *len);
+		return -EINVAL;
+	}
+	data = vmalloc(*len);
+	if (!data) {
+		DP("out of mem for %d bytes", *len);
+		return -ENOMEM;
+	}
+	if (copy_from_user(data, user, *len) != 0) {
+		res = -EFAULT;
+		goto done;
+	}
+	if (down_interruptible(&ip_set_app_mutex)) {
+		res = -EINTR;
+		goto done;
+	}
+
+	op = (unsigned *) data;
+	DP("op=%x", *op);
+
+	if (*op < IP_SET_OP_VERSION) {
+		/* Check the version at the beginning of operations */
+		struct ip_set_req_version *req_version =
+			(struct ip_set_req_version *) data;
+		if (req_version->version != IP_SET_PROTOCOL_VERSION) {
+			res = -EPROTO;
+			goto done;
+		}
+	}
+
+	switch (*op) {
+	case IP_SET_OP_VERSION: {
+		struct ip_set_req_version *req_version =
+		    (struct ip_set_req_version *) data;
+
+		if (*len != sizeof(struct ip_set_req_version)) {
+			ip_set_printk("invalid VERSION (want %zu, got %d)",
+				      sizeof(struct ip_set_req_version),
+				      *len);
+			res = -EINVAL;
+			goto done;
+		}
+
+		req_version->version = IP_SET_PROTOCOL_VERSION;
+		res = copy_to_user(user, req_version,
+				   sizeof(struct ip_set_req_version));
+		goto done;
+	}
+	case IP_SET_OP_GET_BYNAME: {
+		struct ip_set_req_get_set *req_get
+			= (struct ip_set_req_get_set *) data;
+
+		if (*len != sizeof(struct ip_set_req_get_set)) {
+			ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
+				      sizeof(struct ip_set_req_get_set), *len);
+			res = -EINVAL;
+			goto done;
+		}
+		req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
+		index = ip_set_find_byname(req_get->set.name);
+		req_get->set.index = index;
+		goto copy;
+	}
+	case IP_SET_OP_GET_BYINDEX: {
+		struct ip_set_req_get_set *req_get
+			= (struct ip_set_req_get_set *) data;
+
+		if (*len != sizeof(struct ip_set_req_get_set)) {
+			ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
+				      sizeof(struct ip_set_req_get_set), *len);
+			res = -EINVAL;
+			goto done;
+		}
+		req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
+		index = ip_set_find_byindex(req_get->set.index);
+		strncpy(req_get->set.name,
+			index == IP_SET_INVALID_ID ? ""
+			: ip_set_list[index]->name, IP_SET_MAXNAMELEN);
+		goto copy;
+	}
+	case IP_SET_OP_ADT_GET: {
+		struct ip_set_req_adt_get *req_get
+			= (struct ip_set_req_adt_get *) data;
+
+		if (*len != sizeof(struct ip_set_req_adt_get)) {
+			ip_set_printk("invalid ADT_GET (want %zu, got %d)",
+				      sizeof(struct ip_set_req_adt_get), *len);
+			res = -EINVAL;
+			goto done;
+		}
+		req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
+		index = ip_set_find_byname(req_get->set.name);
+		if (index != IP_SET_INVALID_ID) {
+			req_get->set.index = index;
+			strncpy(req_get->typename,
+				ip_set_list[index]->type->typename,
+				IP_SET_MAXNAMELEN - 1);
+		} else {
+			res = -ENOENT;
+			goto done;
+		}
+		goto copy;
+	}
+	case IP_SET_OP_MAX_SETS: {
+		struct ip_set_req_max_sets *req_max_sets
+			= (struct ip_set_req_max_sets *) data;
+		ip_set_id_t i;
+
+		if (*len != sizeof(struct ip_set_req_max_sets)) {
+			ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
+				      sizeof(struct ip_set_req_max_sets), *len);
+			res = -EINVAL;
+			goto done;
+		}
+
+		if (strcmp(req_max_sets->set.name, IPSET_TOKEN_ALL) == 0) {
+			req_max_sets->set.index = IP_SET_INVALID_ID;
+		} else {
+			req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
+			req_max_sets->set.index = 
+				ip_set_find_byname(req_max_sets->set.name);
+			if (req_max_sets->set.index == IP_SET_INVALID_ID) {
+				res = -ENOENT;
+				goto done;
+			}
+		}
+		req_max_sets->max_sets = ip_set_max;
+		req_max_sets->sets = 0;
+		for (i = 0; i < ip_set_max; i++) {
+			if (ip_set_list[i] != NULL)
+				req_max_sets->sets++;
+		}
+		goto copy;
+	}
+	case IP_SET_OP_LIST_SIZE: 
+	case IP_SET_OP_SAVE_SIZE: {
+		struct ip_set_req_setnames *req_setnames
+			= (struct ip_set_req_setnames *) data;
+		struct ip_set_name_list *name_list;
+		struct ip_set *set;
+		ip_set_id_t i;
+		int used;
+
+		if (*len < sizeof(struct ip_set_req_setnames)) {
+			ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
+				      sizeof(struct ip_set_req_setnames), *len);
+			res = -EINVAL;
+			goto done;
+		}
+
+		req_setnames->size = 0;
+		used = sizeof(struct ip_set_req_setnames);
+		for (i = 0; i < ip_set_max; i++) {
+			if (ip_set_list[i] == NULL)
+				continue;
+			name_list = (struct ip_set_name_list *) 
+				(data + used);
+			used += sizeof(struct ip_set_name_list);
+			if (used > copylen) {
+				res = -EAGAIN;
+				goto done;
+			}
+			set = ip_set_list[i];
+			/* Fill in index, name, etc. */
+			name_list->index = i;
+			name_list->id = set->id;
+			strncpy(name_list->name,
+				set->name,
+				IP_SET_MAXNAMELEN - 1);
+			strncpy(name_list->typename,
+				set->type->typename,
+				IP_SET_MAXNAMELEN - 1);
+			DP("filled %s of type %s, index %u\n",
+			   name_list->name, name_list->typename,
+			   name_list->index);
+			if (!(req_setnames->index == IP_SET_INVALID_ID
+			      || req_setnames->index == i))
+			      continue;
+			/* Update size */
+			switch (*op) {
+			case IP_SET_OP_LIST_SIZE: {
+				req_setnames->size += sizeof(struct ip_set_list)
+					+ set->type->header_size
+					+ set->type->list_members_size(set);
+				FOREACH_HASH_DO(__set_hash_bindings_size_list, 
+						i, &req_setnames->size);
+				break;
+			}
+			case IP_SET_OP_SAVE_SIZE: {
+				req_setnames->size += sizeof(struct ip_set_save)
+					+ set->type->header_size
+					+ set->type->list_members_size(set);
+				FOREACH_HASH_DO(__set_hash_bindings_size_save,
+						i, &req_setnames->size);
+				break;
+			}
+			default:
+				break;
+			}
+		}
+		if (copylen != used) {
+			res = -EAGAIN;
+			goto done;
+		}
+		goto copy;
+	}
+	case IP_SET_OP_LIST: {
+		struct ip_set_req_list *req_list
+			= (struct ip_set_req_list *) data;
+		ip_set_id_t i;
+		int used;
+
+		if (*len < sizeof(struct ip_set_req_list)) {
+			ip_set_printk("short LIST (want >=%zu, got %d)",
+				      sizeof(struct ip_set_req_list), *len);
+			res = -EINVAL;
+			goto done;
+		}
+		index = req_list->index;
+		if (index != IP_SET_INVALID_ID
+		    && ip_set_find_byindex(index) != index) {
+		    	res = -ENOENT;
+		    	goto done;
+		}
+		used = 0;
+		if (index == IP_SET_INVALID_ID) {
+			/* List all sets */
+			for (i = 0; i < ip_set_max && res == 0; i++) {
+				if (ip_set_list[i] != NULL)
+					res = ip_set_list_set(i, data, &used, *len);
+			}
+		} else {
+			/* List an individual set */
+			res = ip_set_list_set(index, data, &used, *len);
+		}
+		if (res != 0)
+			goto done;
+		else if (copylen != used) {
+			res = -EAGAIN;
+			goto done;
+		}
+		goto copy;
+	}
+	case IP_SET_OP_SAVE: {
+		struct ip_set_req_list *req_save
+			= (struct ip_set_req_list *) data;
+		ip_set_id_t i;
+		int used;
+
+		if (*len < sizeof(struct ip_set_req_list)) {
+			ip_set_printk("short SAVE (want >=%zu, got %d)",
+				      sizeof(struct ip_set_req_list), *len);
+			res = -EINVAL;
+			goto done;
+		}
+		index = req_save->index;
+		if (index != IP_SET_INVALID_ID
+		    && ip_set_find_byindex(index) != index) {
+		    	res = -ENOENT;
+		    	goto done;
+		}
+		used = 0;
+		if (index == IP_SET_INVALID_ID) {
+			/* Save all sets */
+			for (i = 0; i < ip_set_max && res == 0; i++) {
+				if (ip_set_list[i] != NULL)
+					res = ip_set_save_set(i, data, &used, *len);
+			}
+		} else {
+			/* Save an individual set */
+			res = ip_set_save_set(index, data, &used, *len);
+		}
+		if (res == 0)
+			res = ip_set_save_bindings(index, data, &used, *len);
+			
+		if (res != 0)
+			goto done;
+		else if (copylen != used) {
+			res = -EAGAIN;
+			goto done;
+		}
+		goto copy;
+	}
+	case IP_SET_OP_RESTORE: {
+		struct ip_set_req_setnames *req_restore
+			= (struct ip_set_req_setnames *) data;
+		int line;
+
+		if (*len < sizeof(struct ip_set_req_setnames)
+		    || *len != req_restore->size) {
+			ip_set_printk("invalid RESTORE (want =%zu, got %d)",
+				      req_restore->size, *len);
+			res = -EINVAL;
+			goto done;
+		}
+		line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
+				      req_restore->size - sizeof(struct ip_set_req_setnames));
+		DP("ip_set_restore: %u", line);
+		if (line != 0) {
+			res = -EAGAIN;
+			req_restore->size = line;
+			copylen = sizeof(struct ip_set_req_setnames);
+			goto copy;
+		}
+		goto done;
+	}
+	default:
+		res = -EBADMSG;
+		goto done;
+	}	/* end of switch(op) */
+
+    copy:
+   	DP("set %s, copylen %u", index != IP_SET_INVALID_ID
+   	             		 && ip_set_list[index]
+   	             ? ip_set_list[index]->name
+   	             : ":all:", copylen);
+	if (res == 0)
+		res = copy_to_user(user, data, copylen);
+	else
+		copy_to_user(user, data, copylen);
+    	
+    done:
+	up(&ip_set_app_mutex);
+	vfree(data);
+	if (res > 0)
+		res = 0;
+	DP("final result %d", res);
+	return res;
+}
+
+static struct nf_sockopt_ops so_set = {
+	.pf 		= PF_INET,
+	.set_optmin 	= SO_IP_SET,
+	.set_optmax 	= SO_IP_SET + 1,
+	.set 		= &ip_set_sockfn_set,
+	.get_optmin 	= SO_IP_SET,
+	.get_optmax	= SO_IP_SET + 1,
+	.get		= &ip_set_sockfn_get,
+	.use		= 0
+};
+
+static int max_sets, hash_size;
+module_param(max_sets, int, 0600);
+MODULE_PARM_DESC(max_sets, "maximal number of sets");
+module_param(hash_size, int, 0600);
+MODULE_PARM_DESC(hash_size, "hash size for bindings");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("module implementing core IP set support");
+
+static int __init init(void)
+{
+	int res;
+	ip_set_id_t i;
+
+	get_random_bytes(&ip_set_hash_random, 4);
+	if (max_sets)
+		ip_set_max = max_sets;
+	ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
+	if (!ip_set_list) {
+		printk(KERN_ERR "Unable to create ip_set_list\n");
+		return -ENOMEM;
+	}
+	memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
+	if (hash_size)
+		ip_set_bindings_hash_size = hash_size;
+	ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
+	if (!ip_set_hash) {
+		printk(KERN_ERR "Unable to create ip_set_hash\n");
+		vfree(ip_set_list);
+		return -ENOMEM;
+	}
+	for (i = 0; i < ip_set_bindings_hash_size; i++)
+		INIT_LIST_HEAD(&ip_set_hash[i]);
+
+	INIT_LIST_HEAD(&set_type_list);
+
+	res = nf_register_sockopt(&so_set);
+	if (res != 0) {
+		ip_set_printk("SO_SET registry failed: %d", res);
+		vfree(ip_set_list);
+		vfree(ip_set_hash);
+		return res;
+	}
+	return 0;
+}
+
+static void __exit fini(void)
+{
+	/* There can't be any existing set or binding */
+	nf_unregister_sockopt(&so_set);
+	vfree(ip_set_list);
+	vfree(ip_set_hash);
+	DP("these are the famous last words");
+}
+
+EXPORT_SYMBOL(ip_set_register_set_type);
+EXPORT_SYMBOL(ip_set_unregister_set_type);
+
+EXPORT_SYMBOL(ip_set_get_byname);
+EXPORT_SYMBOL(ip_set_get_byindex);
+EXPORT_SYMBOL(ip_set_put);
+
+EXPORT_SYMBOL(ip_set_addip_kernel);
+EXPORT_SYMBOL(ip_set_delip_kernel);
+EXPORT_SYMBOL(ip_set_testip_kernel);
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iphash.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iphash.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,379 @@
+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 hash set */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+#include <linux/vmalloc.h>
+#include <linux/random.h>
+
+#include <net/ip.h>
+
+#include <linux/netfilter_ipv4/ip_set_malloc.h>
+#include <linux/netfilter_ipv4/ip_set_iphash.h>
+#include <linux/netfilter_ipv4/ip_set_jhash.h>
+#include <linux/netfilter_ipv4/ip_set_prime.h>
+
+static inline __u32
+jhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip)
+{
+	return jhash_1word(ip, map->initval);
+}
+
+static inline __u32
+randhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip)
+{
+	return (1 + ip % map->prime);
+}
+
+static inline __u32
+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	__u32 jhash, randhash, id;
+	u_int16_t i;
+
+	*hash_ip = ip & map->netmask;
+	jhash = jhash_ip(map, *hash_ip);
+	randhash = randhash_ip(map, *hash_ip);
+	DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
+	   set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
+	
+	for (i = 0; i < map->probes; i++) {
+		id = (jhash + i * randhash) % map->hashsize;
+		DP("hash key: %u", id);
+		if (map->members[id] == *hash_ip)
+			return id;
+		/* No shortcut at testing - there can be deleted
+		 * entries. */
+	}
+	return UINT_MAX;
+}
+
+static inline int
+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	return (hash_id(set, ip, hash_ip) != UINT_MAX);
+}
+
+static int
+testip(struct ip_set *set, const void *data, size_t size,
+       ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_iphash *req = 
+	    (struct ip_set_req_iphash *) data;
+
+	if (size != sizeof(struct ip_set_req_iphash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iphash),
+			      size);
+		return -EINVAL;
+	}
+	return __testip(set, req->ip, hash_ip);
+}
+
+static int
+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
+		u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __testip(set,
+			ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+						: skb->nh.iph->daddr),
+			hash_ip);
+}
+
+static inline int
+__addip(struct ip_set_iphash *map, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	__u32 jhash, randhash, probe;
+	u_int16_t i;
+
+	*hash_ip = ip & map->netmask;
+	jhash = jhash_ip(map, *hash_ip);
+	randhash = randhash_ip(map, *hash_ip);
+	
+	for (i = 0; i < map->probes; i++) {
+		probe = (jhash + i * randhash) % map->hashsize;
+		if (map->members[probe] == *hash_ip)
+			return -EEXIST;
+		if (!map->members[probe]) {
+			map->members[probe] = *hash_ip;
+			return 0;
+		}
+	}
+	/* Trigger rehashing */
+	return -EAGAIN;
+}
+
+static int
+addip(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_iphash *req = 
+	    (struct ip_set_req_iphash *) data;
+
+	if (size != sizeof(struct ip_set_req_iphash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iphash),
+			      size);
+		return -EINVAL;
+	}
+	return __addip((struct ip_set_iphash *) set->data, req->ip, hash_ip);
+}
+
+static int
+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __addip((struct ip_set_iphash *) set->data,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+static int retry(struct ip_set *set)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	ip_set_ip_t hash_ip, *members;
+	u_int32_t i, hashsize;
+	unsigned newbytes;
+	int res;
+	struct ip_set_iphash tmp = {
+		.hashsize = map->hashsize,
+		.probes = map->probes,
+		.resize = map->resize,
+		.netmask = map->netmask,
+	};
+	
+	if (map->resize == 0)
+		return -ERANGE;
+
+    again:
+    	res = 0;
+    	
+	/* Calculate new parameters */
+	get_random_bytes(&tmp.initval, 4);
+	hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100;
+	if (hashsize == tmp.hashsize)
+		hashsize++;
+	tmp.prime = make_prime(hashsize);
+	
+	ip_set_printk("rehashing of set %s triggered: "
+		      "hashsize grows from %u to %u",
+		      set->name, tmp.hashsize, hashsize);
+	tmp.hashsize = hashsize;
+	
+	newbytes = hashsize * sizeof(ip_set_ip_t);
+	tmp.members = ip_set_malloc(newbytes);
+	if (!tmp.members) {
+		DP("out of memory for %d bytes", newbytes);
+		return -ENOMEM;
+	}
+	memset(tmp.members, 0, newbytes);
+	
+	write_lock_bh(&set->lock);
+	map = (struct ip_set_iphash *) set->data; /* Play safe */
+	for (i = 0; i < map->hashsize && res == 0; i++) {
+		if (map->members[i])
+			res = __addip(&tmp, map->members[i], &hash_ip);
+	}
+	if (res) {
+		/* Failure, try again */
+		write_unlock_bh(&set->lock);
+		ip_set_free(tmp.members, newbytes);
+		goto again;
+	}
+	
+	/* Success at resizing! */
+	members = map->members;
+	hashsize = map->hashsize;
+
+	map->initval = tmp.initval;
+	map->prime = tmp.prime;
+	map->hashsize = tmp.hashsize;
+	map->members = tmp.members;
+	write_unlock_bh(&set->lock);
+
+	ip_set_free(members, hashsize * sizeof(ip_set_ip_t));
+
+	return 0;
+}
+
+static inline int
+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	ip_set_ip_t id = hash_id(set, ip, hash_ip);
+
+	if (id == UINT_MAX)
+		return -EEXIST;
+		
+	map->members[id] = 0;
+	return 0;
+}
+
+static int
+delip(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_iphash *req =
+	    (struct ip_set_req_iphash *) data;
+
+	if (size != sizeof(struct ip_set_req_iphash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iphash),
+			      size);
+		return -EINVAL;
+	}
+	return __delip(set, req->ip, hash_ip);
+}
+
+static int
+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	       u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __delip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	unsigned newbytes;
+	struct ip_set_req_iphash_create *req =
+	    (struct ip_set_req_iphash_create *) data;
+	struct ip_set_iphash *map;
+
+	if (size != sizeof(struct ip_set_req_iphash_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			       sizeof(struct ip_set_req_iphash_create),
+			       size);
+		return -EINVAL;
+	}
+
+	if (req->hashsize < 1) {
+		ip_set_printk("hashsize too small");
+		return -ENOEXEC;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_iphash), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_iphash));
+		return -ENOMEM;
+	}
+	get_random_bytes(&map->initval, 4);
+	map->prime = make_prime(req->hashsize);
+	map->hashsize = req->hashsize;
+	map->probes = req->probes;
+	map->resize = req->resize;
+	map->netmask = req->netmask;
+	newbytes = map->hashsize * sizeof(ip_set_ip_t);
+	map->members = ip_set_malloc(newbytes);
+	if (!map->members) {
+		DP("out of memory for %d bytes", newbytes);
+		kfree(map);
+		return -ENOMEM;
+	}
+	memset(map->members, 0, newbytes);
+
+	set->data = map;
+	return 0;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+
+	ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t));
+	kfree(map);
+
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t));
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	struct ip_set_req_iphash_create *header =
+	    (struct ip_set_req_iphash_create *) data;
+
+	header->hashsize = map->hashsize;
+	header->probes = map->probes;
+	header->resize = map->resize;
+	header->netmask = map->netmask;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+
+	return (map->hashsize * sizeof(ip_set_ip_t));
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
+	int bytes = map->hashsize * sizeof(ip_set_ip_t);
+
+	memcpy(data, map->members, bytes);
+}
+
+static struct ip_set_type ip_set_iphash = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_IP,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_iphash),
+	.addip			= &addip,
+	.addip_kernel		= &addip_kernel,
+	.retry			= &retry,
+	.delip			= &delip,
+	.delip_kernel		= &delip_kernel,
+	.testip			= &testip,
+	.testip_kernel		= &testip_kernel,
+	.header_size		= sizeof(struct ip_set_req_iphash_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("iphash type of IP sets");
+
+static int __init init(void)
+{
+	init_max_malloc_size();
+	return ip_set_register_set_type(&ip_set_iphash);
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_iphash);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_ipmap.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_ipmap.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,313 @@
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem at linux.nu>
+ *                         Patrick Schaaf <bof at bof.de>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 single bitmap type */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+
+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
+
+static inline ip_set_ip_t
+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
+{
+	return (ip - map->first_ip)/map->hosts;
+}
+
+static inline int
+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+	
+	if (ip < map->first_ip || ip > map->last_ip)
+		return -ERANGE;
+
+	*hash_ip = ip & map->netmask;
+	DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
+	   set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
+	return !!test_bit(ip_to_id(map, *hash_ip), map->members);
+}
+
+static int
+testip(struct ip_set *set, const void *data, size_t size,
+       ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_ipmap *req = 
+	    (struct ip_set_req_ipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_ipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_ipmap),
+			      size);
+		return -EINVAL;
+	}
+	return __testip(set, req->ip, hash_ip);
+}
+
+static int
+testip_kernel(struct ip_set *set, 
+	      const struct sk_buff *skb,
+	      u_int32_t flags,
+	      ip_set_ip_t *hash_ip)
+{
+	int res;
+	
+	DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
+	   flags & IPSET_SRC ? "SRC" : "DST",
+	   NIPQUAD(skb->nh.iph->saddr),
+	   NIPQUAD(skb->nh.iph->daddr));
+
+	res =  __testip(set,
+			ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+						: skb->nh.iph->daddr),
+			hash_ip);
+	return (res < 0 ? 0 : res);
+}
+
+static inline int
+__addip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+
+	if (ip < map->first_ip || ip > map->last_ip)
+		return -ERANGE;
+
+	*hash_ip = ip & map->netmask;
+	DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
+	if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
+		return -EEXIST;
+
+	return 0;
+}
+
+static int
+addip(struct ip_set *set, const void *data, size_t size,
+      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_ipmap *req = 
+	    (struct ip_set_req_ipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_ipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_ipmap),
+			      size);
+		return -EINVAL;
+	}
+	DP("%u.%u.%u.%u", HIPQUAD(req->ip));
+	return __addip(set, req->ip, hash_ip);
+}
+
+static int
+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __addip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+static inline int 
+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+
+	if (ip < map->first_ip || ip > map->last_ip)
+		return -ERANGE;
+
+	*hash_ip = ip & map->netmask;
+	DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
+	if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
+		return -EEXIST;
+	
+	return 0;
+}
+
+static int
+delip(struct ip_set *set, const void *data, size_t size,
+      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_ipmap *req =
+	    (struct ip_set_req_ipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_ipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_ipmap),
+			      size);
+		return -EINVAL;
+	}
+	return __delip(set, req->ip, hash_ip);
+}
+
+static int
+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __delip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	int newbytes;
+	struct ip_set_req_ipmap_create *req =
+	    (struct ip_set_req_ipmap_create *) data;
+	struct ip_set_ipmap *map;
+
+	if (size != sizeof(struct ip_set_req_ipmap_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_ipmap_create),
+			      size);
+		return -EINVAL;
+	}
+
+	DP("from %u.%u.%u.%u to %u.%u.%u.%u",
+	   HIPQUAD(req->from), HIPQUAD(req->to));
+
+	if (req->from > req->to) {
+		DP("bad ip range");
+		return -ENOEXEC;
+	}
+
+	if (req->to - req->from > MAX_RANGE) {
+		ip_set_printk("range too big (max %d addresses)",
+			       MAX_RANGE);
+		return -ENOEXEC;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_ipmap), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_ipmap));
+		return -ENOMEM;
+	}
+	map->first_ip = req->from;
+	map->last_ip = req->to;
+	map->netmask = req->netmask;
+
+	if (req->netmask == 0xFFFFFFFF) {
+		map->hosts = 1;
+		map->sizeid = map->last_ip - map->first_ip + 1;
+	} else {
+		unsigned int mask_bits, netmask_bits;
+		ip_set_ip_t mask;
+		
+		map->first_ip &= map->netmask;	/* Should we better bark? */
+		
+		mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
+		netmask_bits = mask_to_bits(map->netmask);
+		
+		if (!mask || netmask_bits <= mask_bits)
+			return -ENOEXEC;
+
+		map->hosts = 2 << (32 - netmask_bits - 1);
+		map->sizeid = 2 << (netmask_bits - mask_bits - 1);
+	}
+	newbytes = bitmap_bytes(0, map->sizeid - 1);
+	map->members = kmalloc(newbytes, GFP_KERNEL);
+	if (!map->members) {
+		DP("out of memory for %d bytes", newbytes);
+		kfree(map);
+		return -ENOMEM;
+	}
+	memset(map->members, 0, newbytes);
+	
+	set->data = map;
+	return 0;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+	
+	kfree(map->members);
+	kfree(map);
+	
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+	memset(map->members, 0, bitmap_bytes(0, map->sizeid - 1));
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+	struct ip_set_req_ipmap_create *header =
+	    (struct ip_set_req_ipmap_create *) data;
+
+	header->from = map->first_ip;
+	header->to = map->last_ip;
+	header->netmask = map->netmask;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+
+	return bitmap_bytes(0, map->sizeid - 1);
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
+	int bytes = bitmap_bytes(0, map->sizeid - 1);
+
+	memcpy(data, map->members, bytes);
+}
+
+static struct ip_set_type ip_set_ipmap = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_IP,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_ipmap),
+	.addip			= &addip,
+	.addip_kernel		= &addip_kernel,
+	.delip			= &delip,
+	.delip_kernel		= &delip_kernel,
+	.testip			= &testip,
+	.testip_kernel		= &testip_kernel,
+	.header_size		= sizeof(struct ip_set_req_ipmap_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("ipmap type of IP sets");
+
+static int __init init(void)
+{
+	return ip_set_register_set_type(&ip_set_ipmap);
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_ipmap);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iptree.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_iptree.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,510 @@
+/* Copyright (C) 2005 Jozsef Kadlecsik <kadlec at 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 iptree type */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+
+#include <linux/netfilter_ipv4/ip_set_iptree.h>
+
+/* Garbage collection interval in seconds: */
+#define IPTREE_GC_TIME		5*60
+/* Sleep so many milliseconds before trying again 
+ * to delete the gc timer at destroying a set */ 
+#define IPTREE_DESTROY_SLEEP	100
+
+static kmem_cache_t *branch_cachep;
+static kmem_cache_t *leaf_cachep;
+
+#define ABCD(a,b,c,d,addrp) do {		\
+	a = ((unsigned char *)addrp)[3];	\
+	b = ((unsigned char *)addrp)[2];	\
+	c = ((unsigned char *)addrp)[1];	\
+	d = ((unsigned char *)addrp)[0];	\
+} while (0)
+
+#define TESTIP_WALK(map, elem, branch) do {	\
+	if ((map)->tree[elem]) {		\
+		branch = (map)->tree[elem];	\
+	} else 					\
+		return 0;			\
+} while (0)
+
+static inline int
+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	
+	*hash_ip = ip;
+	ABCD(a, b, c, d, hash_ip);
+	DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
+	TESTIP_WALK(map, a, btree);
+	TESTIP_WALK(btree, b, ctree);
+	TESTIP_WALK(ctree, c, dtree);
+	DP("%lu %lu", dtree->expires[d], jiffies);
+	return !!(map->timeout ? (time_after(dtree->expires[d], jiffies))
+			       : dtree->expires[d]);
+}
+
+static int
+testip(struct ip_set *set, const void *data, size_t size,
+       ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_iptree *req = 
+	    (struct ip_set_req_iptree *) data;
+
+	if (size != sizeof(struct ip_set_req_iptree)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iptree),
+			      size);
+		return -EINVAL;
+	}
+	return __testip(set, req->ip, hash_ip);
+}
+
+static int
+testip_kernel(struct ip_set *set, 
+	      const struct sk_buff *skb,
+	      u_int32_t flags,
+	      ip_set_ip_t *hash_ip)
+{
+	int res;
+	
+	DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
+	   flags & IPSET_SRC ? "SRC" : "DST",
+	   NIPQUAD(skb->nh.iph->saddr),
+	   NIPQUAD(skb->nh.iph->daddr));
+
+	res =  __testip(set,
+			ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+						: skb->nh.iph->daddr),
+			hash_ip);
+	return (res < 0 ? 0 : res);
+}
+
+#define ADDIP_WALK(map, elem, branch, type, cachep) do {	\
+	if ((map)->tree[elem]) {				\
+		DP("found %u", elem);				\
+		branch = (map)->tree[elem];			\
+	} else {						\
+		branch = (type *)				\
+			kmem_cache_alloc(cachep, GFP_KERNEL);	\
+		if (branch == NULL)				\
+			return -ENOMEM;				\
+		memset(branch, 0, sizeof(*branch));		\
+		(map)->tree[elem] = branch;			\
+		DP("alloc %u", elem);				\
+	}							\
+} while (0)	
+
+static inline int
+__addip(struct ip_set *set, ip_set_ip_t ip, unsigned int timeout,
+	ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	int ret = 0;
+	
+	*hash_ip = ip;
+	ABCD(a, b, c, d, hash_ip);
+	DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
+	ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
+	ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
+	ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
+	if (dtree->expires[d]
+	    && (!map->timeout || time_after(dtree->expires[d], jiffies)))
+	    	ret = -EEXIST;
+	dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
+	DP("%u %lu", d, dtree->expires[d]);
+	return ret;
+}
+
+static int
+addip(struct ip_set *set, const void *data, size_t size,
+      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_req_iptree *req = 
+		(struct ip_set_req_iptree *) data;
+
+	if (size != sizeof(struct ip_set_req_iptree)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iptree),
+			      size);
+		return -EINVAL;
+	}
+	DP("%u.%u.%u.%u %u", HIPQUAD(req->ip), req->timeout);
+	return __addip(set, req->ip,
+		       req->timeout ? req->timeout : map->timeout,
+		       hash_ip);
+}
+
+static int
+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+
+	return __addip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       map->timeout,
+		       hash_ip);
+}
+
+#define DELIP_WALK(map, elem, branch) do {	\
+	if ((map)->tree[elem]) {		\
+		branch = (map)->tree[elem];	\
+	} else 					\
+		return -EEXIST;			\
+} while (0)
+
+static inline int 
+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	
+	*hash_ip = ip;
+	ABCD(a, b, c, d, hash_ip);
+	DELIP_WALK(map, a, btree);
+	DELIP_WALK(btree, b, ctree);
+	DELIP_WALK(ctree, c, dtree);
+
+	if (dtree->expires[d]) {
+		dtree->expires[d] = 0;
+		return 0;
+	}
+	return -EEXIST;
+}
+
+static int
+delip(struct ip_set *set, const void *data, size_t size,
+      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_iptree *req =
+	    (struct ip_set_req_iptree *) data;
+
+	if (size != sizeof(struct ip_set_req_iptree)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iptree),
+			      size);
+		return -EINVAL;
+	}
+	return __delip(set, req->ip, hash_ip);
+}
+
+static int
+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __delip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+#define LOOP_WALK_BEGIN(map, i, branch) \
+	for (i = 0; i < 255; i++) {	\
+		if (!(map)->tree[i])	\
+			continue;	\
+		branch = (map)->tree[i]
+
+#define LOOP_WALK_END }
+
+static void ip_tree_gc(unsigned long ul_set)
+{
+	struct ip_set *set = (void *) ul_set;
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	unsigned char i,j,k;
+
+	i = j = k = 0;
+	DP("gc: %s", set->name);
+	write_lock_bh(&set->lock);
+	LOOP_WALK_BEGIN(map, a, btree);
+	LOOP_WALK_BEGIN(btree, b, ctree);
+	LOOP_WALK_BEGIN(ctree, c, dtree);
+	for (d = 0; d < 255; d++) {
+		if (dtree->expires[d]) {
+			DP("gc: %u %u %u %u: expires %lu jiffies %lu",
+			    a, b, c, d,
+			    dtree->expires[d], jiffies);
+			if (map->timeout
+			    && time_before(dtree->expires[d], jiffies))
+			    	dtree->expires[d] = 0;
+			else
+				k = 1;
+		}
+	}
+	if (k == 0) {
+		DP("gc: %s: leaf %u %u %u empty",
+		    set->name, a, b, c);
+		kmem_cache_free(leaf_cachep, dtree);
+		ctree->tree[c] = NULL;
+	} else {
+		DP("gc: %s: leaf %u %u %u not empty",
+		    set->name, a, b, c);
+		j = 1;
+		k = 0;
+	}
+	LOOP_WALK_END;
+	if (j == 0) {
+		DP("gc: %s: branch %u %u empty",
+		    set->name, a, b);
+		kmem_cache_free(branch_cachep, ctree);
+		btree->tree[b] = NULL;
+	} else {
+		DP("gc: %s: branch %u %u not empty",
+		    set->name, a, b);
+		i = 1;
+		j = k = 0;
+	}
+	LOOP_WALK_END;
+	if (i == 0) {
+		DP("gc: %s: branch %u empty",
+		    set->name, a);
+		kmem_cache_free(branch_cachep, btree);
+		map->tree[a] = NULL;
+	} else {
+		DP("gc: %s: branch %u not empty",
+		    set->name, a);
+		i = j = k = 0;
+	}
+	LOOP_WALK_END;
+	write_unlock_bh(&set->lock);
+	
+	map->gc.expires = jiffies + map->gc_interval * HZ;
+	add_timer(&map->gc);
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	struct ip_set_req_iptree_create *req =
+	    (struct ip_set_req_iptree_create *) data;
+	struct ip_set_iptree *map;
+
+	if (size != sizeof(struct ip_set_req_iptree_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_iptree_create),
+			      size);
+		return -EINVAL;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_iptree));
+		return -ENOMEM;
+	}
+	memset(map, 0, sizeof(*map));
+	map->timeout = req->timeout;
+	set->data = map;
+
+	/* If there is no timeout for the entries,
+	 * we still have to call gc because delete
+	 * do not clean up empty branches */
+	map->gc_interval = IPTREE_GC_TIME;
+	init_timer(&map->gc);
+	map->gc.data = (unsigned long) set;
+	map->gc.function = ip_tree_gc;
+	map->gc.expires = jiffies + map->gc_interval * HZ;
+	add_timer(&map->gc);
+	
+	return 0;
+}
+
+static void __flush(struct ip_set_iptree *map)
+{
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned int a,b,c;
+
+	LOOP_WALK_BEGIN(map, a, btree);
+	LOOP_WALK_BEGIN(btree, b, ctree);
+	LOOP_WALK_BEGIN(ctree, c, dtree);
+	kmem_cache_free(leaf_cachep, dtree);
+	LOOP_WALK_END;
+	kmem_cache_free(branch_cachep, ctree);
+	LOOP_WALK_END;
+	kmem_cache_free(branch_cachep, btree);
+	LOOP_WALK_END;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+
+	while (!del_timer(&map->gc))
+		msleep(IPTREE_DESTROY_SLEEP);
+	__flush(map);
+	kfree(map);
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	unsigned int timeout = map->timeout;
+	
+	__flush(map);
+	memset(map, 0, sizeof(*map));
+	map->timeout = timeout;
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_req_iptree_create *header =
+	    (struct ip_set_req_iptree_create *) data;
+
+	header->timeout = map->timeout;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	unsigned int count = 0;
+
+	LOOP_WALK_BEGIN(map, a, btree);
+	LOOP_WALK_BEGIN(btree, b, ctree);
+	LOOP_WALK_BEGIN(ctree, c, dtree);
+	for (d = 0; d < 255; d++) {
+		if (dtree->expires[d]
+		    && (!map->timeout || time_after(dtree->expires[d], jiffies)))
+		    	count++;
+	}
+	LOOP_WALK_END;
+	LOOP_WALK_END;
+	LOOP_WALK_END;
+
+	DP("members %u", count);
+	return (count * sizeof(struct ip_set_req_iptree));
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
+	struct ip_set_iptreeb *btree;
+	struct ip_set_iptreec *ctree;
+	struct ip_set_iptreed *dtree;
+	unsigned char a,b,c,d;
+	size_t offset = 0;
+	struct ip_set_req_iptree *entry;
+
+	LOOP_WALK_BEGIN(map, a, btree);
+	LOOP_WALK_BEGIN(btree, b, ctree);
+	LOOP_WALK_BEGIN(ctree, c, dtree);
+	for (d = 0; d < 255; d++) {
+		if (dtree->expires[d]
+		    && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
+		    	entry = (struct ip_set_req_iptree *)(data + offset);
+		    	entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
+		    	entry->timeout = !map->timeout ? 0 
+				: (dtree->expires[d] - jiffies)/HZ;
+			offset += sizeof(struct ip_set_req_iptree);
+		}
+	}
+	LOOP_WALK_END;
+	LOOP_WALK_END;
+	LOOP_WALK_END;
+}
+
+static struct ip_set_type ip_set_iptree = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_IP,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_iptree),
+	.addip			= &addip,
+	.addip_kernel		= &addip_kernel,
+	.delip			= &delip,
+	.delip_kernel		= &delip_kernel,
+	.testip			= &testip,
+	.testip_kernel		= &testip_kernel,
+	.header_size		= sizeof(struct ip_set_req_iptree_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("iptree type of IP sets");
+
+static int __init init(void)
+{
+	int ret;
+	
+	branch_cachep = kmem_cache_create("ip_set_iptreeb",
+				sizeof(struct ip_set_iptreeb),
+				0, 0, NULL, NULL);
+	if (!branch_cachep) {
+		printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+	leaf_cachep = kmem_cache_create("ip_set_iptreed",
+				sizeof(struct ip_set_iptreed),
+				0, 0, NULL, NULL);
+	if (!leaf_cachep) {
+		printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
+		ret = -ENOMEM;
+		goto free_branch;
+	}
+	ret = ip_set_register_set_type(&ip_set_iptree);
+	if (ret == 0)
+		goto out;
+
+	kmem_cache_destroy(leaf_cachep);
+    free_branch:	
+	kmem_cache_destroy(branch_cachep);
+    out:
+	return ret;
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_iptree);
+	kmem_cache_destroy(leaf_cachep);
+	kmem_cache_destroy(branch_cachep);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_macipmap.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_macipmap.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,338 @@
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem at linux.nu>
+ *                         Patrick Schaaf <bof at bof.de>
+ *                         Martin Josefsson <gandalf at wlug.westbo.se>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 macipmap type */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+#include <linux/if_ether.h>
+#include <linux/vmalloc.h>
+
+#include <linux/netfilter_ipv4/ip_set_malloc.h>
+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
+
+static int
+testip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_macipmap *map = (struct ip_set_macipmap *) set->data;
+	struct ip_set_macip *table = (struct ip_set_macip *) map->members;	
+	struct ip_set_req_macipmap *req = (struct ip_set_req_macipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_macipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_macipmap),
+			      size);
+		return -EINVAL;
+	}
+
+	if (req->ip < map->first_ip || req->ip > map->last_ip)
+		return -ERANGE;
+
+	*hash_ip = req->ip;
+	DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
+	   set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));		
+	if (test_bit(IPSET_MACIP_ISSET,
+		     (void *) &table[req->ip - map->first_ip].flags)) {
+		return (memcmp(req->ethernet,
+			       &table[req->ip - map->first_ip].ethernet,
+			       ETH_ALEN) == 0);
+	} else {
+		return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
+	}
+}
+
+static int
+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	      u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+	struct ip_set_macip *table =
+	    (struct ip_set_macip *) map->members;
+	ip_set_ip_t ip;
+	
+	ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
+				     : skb->nh.iph->daddr);
+	DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
+	   flags & IPSET_SRC ? "SRC" : "DST",
+	   NIPQUAD(skb->nh.iph->saddr),
+	   NIPQUAD(skb->nh.iph->daddr));
+
+	if (ip < map->first_ip || ip > map->last_ip)
+		return 0;
+
+	*hash_ip = ip;	
+	DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
+	   set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));		
+	if (test_bit(IPSET_MACIP_ISSET,
+	    (void *) &table[ip - map->first_ip].flags)) {
+		/* Is mac pointer valid?
+		 * If so, compare... */
+		return (skb->mac.raw >= skb->head
+			&& (skb->mac.raw + ETH_HLEN) <= skb->data
+			&& (memcmp(eth_hdr(skb)->h_source,
+				   &table[ip - map->first_ip].ethernet,
+				   ETH_ALEN) == 0));
+	} else {
+		return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
+	}
+}
+
+/* returns 0 on success */
+static inline int
+__addip(struct ip_set *set, 
+	ip_set_ip_t ip, unsigned char *ethernet, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+	struct ip_set_macip *table =
+	    (struct ip_set_macip *) map->members;
+
+	if (ip < map->first_ip || ip > map->last_ip)
+		return -ERANGE;
+	if (test_and_set_bit(IPSET_MACIP_ISSET, 
+			     (void *) &table[ip - map->first_ip].flags))
+		return -EEXIST;
+
+	*hash_ip = ip;
+	DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
+	memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
+	return 0;
+}
+
+static int
+addip(struct ip_set *set, const void *data, size_t size,
+      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_macipmap *req =
+	    (struct ip_set_req_macipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_macipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_macipmap),
+			      size);
+		return -EINVAL;
+	}
+	return __addip(set, req->ip, req->ethernet, hash_ip);
+}
+
+static int
+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	ip_set_ip_t ip;
+	
+	ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
+				     : skb->nh.iph->daddr);
+
+	if (!(skb->mac.raw >= skb->head
+	      && (skb->mac.raw + ETH_HLEN) <= skb->data))
+		return -EINVAL;
+
+	return __addip(set, ip, eth_hdr(skb)->h_source, hash_ip);
+}
+
+static inline int
+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+	struct ip_set_macip *table =
+	    (struct ip_set_macip *) map->members;
+
+	if (ip < map->first_ip || ip > map->last_ip)
+		return -ERANGE;
+	if (!test_and_clear_bit(IPSET_MACIP_ISSET, 
+				(void *)&table[ip - map->first_ip].flags))
+		return -EEXIST;
+
+	*hash_ip = ip;
+	DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
+	return 0;
+}
+
+static int
+delip(struct ip_set *set, const void *data, size_t size,
+     ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_macipmap *req =
+	    (struct ip_set_req_macipmap *) data;
+
+	if (size != sizeof(struct ip_set_req_macipmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_macipmap),
+			      size);
+		return -EINVAL;
+	}
+	return __delip(set, req->ip, hash_ip);
+}
+
+static int
+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __delip(set,
+		       ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+					       : skb->nh.iph->daddr),
+		       hash_ip);
+}
+
+static inline size_t members_size(ip_set_id_t from, ip_set_id_t to)
+{
+	return (size_t)((to - from + 1) * sizeof(struct ip_set_macip));
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	int newbytes;
+	struct ip_set_req_macipmap_create *req =
+	    (struct ip_set_req_macipmap_create *) data;
+	struct ip_set_macipmap *map;
+
+	if (size != sizeof(struct ip_set_req_macipmap_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_macipmap_create),
+			      size);
+		return -EINVAL;
+	}
+
+	DP("from %u.%u.%u.%u to %u.%u.%u.%u",
+	   HIPQUAD(req->from), HIPQUAD(req->to));
+
+	if (req->from > req->to) {
+		DP("bad ip range");
+		return -ENOEXEC;
+	}
+
+	if (req->to - req->from > MAX_RANGE) {
+		ip_set_printk("range too big (max %d addresses)",
+			       MAX_RANGE);
+		return -ENOEXEC;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_macipmap), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_macipmap));
+		return -ENOMEM;
+	}
+	map->flags = req->flags;
+	map->first_ip = req->from;
+	map->last_ip = req->to;
+	newbytes = members_size(map->first_ip, map->last_ip);
+	map->members = ip_set_malloc(newbytes);
+	if (!map->members) {
+		DP("out of memory for %d bytes", newbytes);
+		kfree(map);
+		return -ENOMEM;
+	}
+	memset(map->members, 0, newbytes);
+	
+	set->data = map;
+	return 0;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+
+	ip_set_free(map->members, members_size(map->first_ip, map->last_ip));
+	kfree(map);
+
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+	memset(map->members, 0, members_size(map->first_ip, map->last_ip));
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+	struct ip_set_req_macipmap_create *header =
+	    (struct ip_set_req_macipmap_create *) data;
+
+	DP("list_header %x %x %u", map->first_ip, map->last_ip,
+	   map->flags);
+
+	header->from = map->first_ip;
+	header->to = map->last_ip;
+	header->flags = map->flags;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+
+	return members_size(map->first_ip, map->last_ip);
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_macipmap *map =
+	    (struct ip_set_macipmap *) set->data;
+
+	int bytes = members_size(map->first_ip, map->last_ip);
+
+	memcpy(data, map->members, bytes);
+}
+
+static struct ip_set_type ip_set_macipmap = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_IP,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_macipmap),
+	.addip			= &addip,
+	.addip_kernel		= &addip_kernel,
+	.delip			= &delip,
+	.delip_kernel		= &delip_kernel,
+	.testip			= &testip,
+	.testip_kernel		= &testip_kernel,
+	.header_size		= sizeof(struct ip_set_req_macipmap_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("macipmap type of IP sets");
+
+static int __init init(void)
+{
+	init_max_malloc_size();
+	return ip_set_register_set_type(&ip_set_macipmap);
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_macipmap);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_nethash.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_nethash.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,449 @@
+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 a cidr nethash set */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+#include <linux/vmalloc.h>
+#include <linux/random.h>
+
+#include <net/ip.h>
+
+#include <linux/netfilter_ipv4/ip_set_malloc.h>
+#include <linux/netfilter_ipv4/ip_set_nethash.h>
+#include <linux/netfilter_ipv4/ip_set_jhash.h>
+#include <linux/netfilter_ipv4/ip_set_prime.h>
+
+static inline __u32
+jhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip)
+{
+	return jhash_1word(ip, map->initval);
+}
+
+static inline __u32
+randhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip)
+{
+	return (1 + ip % map->prime);
+}
+
+static inline __u32
+hash_id_cidr(struct ip_set_nethash *map,
+	     ip_set_ip_t ip,
+	     unsigned char cidr,
+	     ip_set_ip_t *hash_ip)
+{
+	__u32 jhash, randhash, id;
+	u_int16_t i;
+
+	*hash_ip = pack(ip, cidr);
+	jhash = jhash_ip(map, *hash_ip);
+	randhash = randhash_ip(map, *hash_ip);
+	
+	for (i = 0; i < map->probes; i++) {
+		id = (jhash + i * randhash) % map->hashsize;
+	   	DP("hash key: %u", id);
+	   	if (map->members[id] == *hash_ip)
+			return id;
+	}
+	return UINT_MAX;
+}
+
+static inline __u32
+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	__u32 id = UINT_MAX;
+	int i;
+
+	for (i = 0; i < 30 && map->cidr[i]; i++) {
+		id = hash_id_cidr(map, ip, map->cidr[i], hash_ip);
+		if (id != UINT_MAX)
+			break;
+	}
+	return id;
+}
+
+static inline int
+__testip_cidr(struct ip_set *set, ip_set_ip_t ip, unsigned char cidr,
+	      ip_set_ip_t *hash_ip)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+
+	return (hash_id_cidr(map, ip, cidr, hash_ip) != UINT_MAX);
+}
+
+static inline int
+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
+{
+	return (hash_id(set, ip, hash_ip) != UINT_MAX);
+}
+
+static int
+testip(struct ip_set *set, const void *data, size_t size,
+       ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_nethash *req = 
+	    (struct ip_set_req_nethash *) data;
+
+	if (size != sizeof(struct ip_set_req_nethash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_nethash),
+			      size);
+		return -EINVAL;
+	}
+	return (req->cidr == 32 ? __testip(set, req->ip, hash_ip)
+		: __testip_cidr(set, req->ip, req->cidr, hash_ip));
+}
+
+static int
+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
+		u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	return __testip(set,
+			ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr 
+						: skb->nh.iph->daddr),
+			hash_ip);
+}
+
+static inline int
+__addip_base(struct ip_set_nethash *map, ip_set_ip_t ip)
+{
+	__u32 jhash, randhash, probe;
+	u_int16_t i;
+
+	jhash = jhash_ip(map, ip);
+	randhash = randhash_ip(map, ip);
+	
+	for (i = 0; i < map->probes; i++) {
+		probe = (jhash + i * randhash) % map->hashsize;
+		if (map->members[probe] == ip)
+			return -EEXIST;
+		if (!map->members[probe]) {
+			map->members[probe] = ip;
+			return 0;
+		}
+	}
+	/* Trigger rehashing */
+	return -EAGAIN;
+}
+
+static inline int
+__addip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
+	ip_set_ip_t *hash_ip)
+{
+	*hash_ip = pack(ip, cidr);
+	DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
+	
+	return __addip_base(map, *hash_ip);
+}
+
+static void
+update_cidr_sizes(struct ip_set_nethash *map, unsigned char cidr)
+{
+	unsigned char next;
+	int i;
+	
+	for (i = 0; i < 30 && map->cidr[i]; i++) {
+		if (map->cidr[i] == cidr) {
+			return;
+		} else if (map->cidr[i] < cidr) {
+			next = map->cidr[i];
+			map->cidr[i] = cidr;
+			cidr = next;
+		}
+	}
+	if (i < 30)
+		map->cidr[i] = cidr;
+}
+
+static int
+addip(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_nethash *req = 
+	    (struct ip_set_req_nethash *) data;
+	int ret;
+
+	if (size != sizeof(struct ip_set_req_nethash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_nethash),
+			      size);
+		return -EINVAL;
+	}
+	ret = __addip((struct ip_set_nethash *) set->data, 
+		      req->ip, req->cidr, hash_ip);
+	
+	if (ret == 0)
+		update_cidr_sizes((struct ip_set_nethash *) set->data,
+				  req->cidr);
+	
+	return ret;
+}
+
+static int
+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	     u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	int ret = -ERANGE;
+	ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
+						 : skb->nh.iph->daddr);
+	
+	if (map->cidr[0])
+		ret = __addip(map, ip, map->cidr[0], hash_ip);
+		
+	return ret;
+}
+
+static int retry(struct ip_set *set)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	ip_set_ip_t *members;
+	u_int32_t i, hashsize;
+	unsigned newbytes;
+	int res;
+	struct ip_set_nethash tmp = {
+		.hashsize = map->hashsize,
+		.probes = map->probes,
+		.resize = map->resize
+	};
+	
+	if (map->resize == 0)
+		return -ERANGE;
+
+	memcpy(tmp.cidr, map->cidr, 30 * sizeof(unsigned char));
+    again:
+    	res = 0;
+    	
+	/* Calculate new parameters */
+	get_random_bytes(&tmp.initval, 4);
+	hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100;
+	if (hashsize == tmp.hashsize)
+		hashsize++;
+	tmp.prime = make_prime(hashsize);
+	
+	ip_set_printk("rehashing of set %s triggered: "
+		      "hashsize grows from %u to %u",
+		      set->name, tmp.hashsize, hashsize);
+	tmp.hashsize = hashsize;
+	
+	newbytes = hashsize * sizeof(ip_set_ip_t);
+	tmp.members = ip_set_malloc(newbytes);
+	if (!tmp.members) {
+		DP("out of memory for %d bytes", newbytes);
+		return -ENOMEM;
+	}
+	memset(tmp.members, 0, newbytes);
+	
+	write_lock_bh(&set->lock);
+	map = (struct ip_set_nethash *) set->data; /* Play safe */
+	for (i = 0; i < map->hashsize && res == 0; i++) {
+		if (map->members[i])
+			res = __addip_base(&tmp, map->members[i]);
+	}
+	if (res) {
+		/* Failure, try again */
+		write_unlock_bh(&set->lock);
+		ip_set_free(tmp.members, newbytes);
+		goto again;
+	}
+	
+	/* Success at resizing! */
+	members = map->members;
+	hashsize = map->hashsize;
+	
+	map->initval = tmp.initval;
+	map->prime = tmp.prime;
+	map->hashsize = tmp.hashsize;
+	map->members = tmp.members;
+	write_unlock_bh(&set->lock);
+
+	ip_set_free(members, hashsize * sizeof(ip_set_ip_t));
+
+	return 0;
+}
+
+static inline int
+__delip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
+	ip_set_ip_t *hash_ip)
+{
+	ip_set_ip_t id = hash_id_cidr(map, ip, cidr, hash_ip);
+
+	if (id == UINT_MAX)
+		return -EEXIST;
+		
+	map->members[id] = 0;
+	return 0;
+}
+
+static int
+delip(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_ip)
+{
+	struct ip_set_req_nethash *req =
+	    (struct ip_set_req_nethash *) data;
+
+	if (size != sizeof(struct ip_set_req_nethash)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_nethash),
+			      size);
+		return -EINVAL;
+	}
+	/* TODO: no garbage collection in map->cidr */		
+	return __delip((struct ip_set_nethash *) set->data, 
+		       req->ip, req->cidr, hash_ip);
+}
+
+static int
+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
+	       u_int32_t flags, ip_set_ip_t *hash_ip)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	int ret = -ERANGE;
+	ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
+						 : skb->nh.iph->daddr);
+	
+	if (map->cidr[0])
+		ret = __delip(map, ip, map->cidr[0], hash_ip);
+	
+	return ret;
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	unsigned newbytes;
+	struct ip_set_req_nethash_create *req =
+	    (struct ip_set_req_nethash_create *) data;
+	struct ip_set_nethash *map;
+
+	if (size != sizeof(struct ip_set_req_nethash_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			       sizeof(struct ip_set_req_nethash_create),
+			       size);
+		return -EINVAL;
+	}
+
+	if (req->hashsize < 1) {
+		ip_set_printk("hashsize too small");
+		return -ENOEXEC;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_nethash), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_nethash));
+		return -ENOMEM;
+	}
+	get_random_bytes(&map->initval, 4);
+	map->prime = make_prime(req->hashsize);
+	map->hashsize = req->hashsize;
+	map->probes = req->probes;
+	map->resize = req->resize;
+	memset(map->cidr, 0, 30 * sizeof(unsigned char));
+	newbytes = map->hashsize * sizeof(ip_set_ip_t);
+	map->members = ip_set_malloc(newbytes);
+	if (!map->members) {
+		DP("out of memory for %d bytes", newbytes);
+		kfree(map);
+		return -ENOMEM;
+	}
+	memset(map->members, 0, newbytes);
+
+	set->data = map;
+	return 0;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+
+	ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t));
+	kfree(map);
+
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t));
+	memset(map->cidr, 0, 30 * sizeof(unsigned char));
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	struct ip_set_req_nethash_create *header =
+	    (struct ip_set_req_nethash_create *) data;
+
+	header->hashsize = map->hashsize;
+	header->probes = map->probes;
+	header->resize = map->resize;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+
+	return (map->hashsize * sizeof(ip_set_ip_t));
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
+	int bytes = map->hashsize * sizeof(ip_set_ip_t);
+
+	memcpy(data, map->members, bytes);
+}
+
+static struct ip_set_type ip_set_nethash = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_IP,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_nethash),
+	.addip			= &addip,
+	.addip_kernel		= &addip_kernel,
+	.retry			= &retry,
+	.delip			= &delip,
+	.delip_kernel		= &delip_kernel,
+	.testip			= &testip,
+	.testip_kernel		= &testip_kernel,
+	.header_size		= sizeof(struct ip_set_req_nethash_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("nethash type of IP sets");
+
+static int __init init(void)
+{
+	return ip_set_register_set_type(&ip_set_nethash);
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_nethash);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_portmap.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ip_set_portmap.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,325 @@
+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 a port set type as a bitmap */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+#include <asm/bitops.h>
+#include <linux/spinlock.h>
+
+#include <net/ip.h>
+
+#include <linux/netfilter_ipv4/ip_set_portmap.h>
+
+/* We must handle non-linear skbs */
+static inline ip_set_ip_t
+get_port(const struct sk_buff *skb, u_int32_t flags)
+{
+	struct iphdr *iph = skb->nh.iph;
+	u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
+
+	switch (iph->protocol) {
+	case IPPROTO_TCP: {
+		struct tcphdr tcph;
+		
+		/* See comments at tcp_match in ip_tables.c */
+		if (offset)
+			return INVALID_PORT;
+
+		if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &tcph, sizeof(tcph)) < 0)
+			/* No choice either */
+			return INVALID_PORT;
+	     	
+	     	return ntohs(flags & IPSET_SRC ?
+			     tcph.source : tcph.dest);
+	    }
+	case IPPROTO_UDP: {
+		struct udphdr udph;
+
+		if (offset)
+			return INVALID_PORT;
+
+		if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &udph, sizeof(udph)) < 0)
+			/* No choice either */
+			return INVALID_PORT;
+	     	
+	     	return ntohs(flags & IPSET_SRC ?
+			     udph.source : udph.dest);
+	    }
+	default:
+		return INVALID_PORT;
+	}
+}
+
+static inline int
+__testport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+
+	if (port < map->first_port || port > map->last_port)
+		return -ERANGE;
+		
+	*hash_port = port;
+	DP("set: %s, port:%u, %u", set->name, port, *hash_port);
+	return !!test_bit(port - map->first_port, map->members);
+}
+
+static int
+testport(struct ip_set *set, const void *data, size_t size,
+         ip_set_ip_t *hash_port)
+{
+	struct ip_set_req_portmap *req = 
+	    (struct ip_set_req_portmap *) data;
+
+	if (size != sizeof(struct ip_set_req_portmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_portmap),
+			      size);
+		return -EINVAL;
+	}
+	return __testport(set, req->port, hash_port);
+}
+
+static int
+testport_kernel(struct ip_set *set, const struct sk_buff *skb,
+		u_int32_t flags, ip_set_ip_t *hash_port)
+{
+	int res;
+	ip_set_ip_t port = get_port(skb, flags);
+
+	DP("flag %s port %u", flags & IPSET_SRC ? "SRC" : "DST", port);	
+	if (port == INVALID_PORT)
+		return 0;	
+
+	res =  __testport(set, port, hash_port);
+	
+	return (res < 0 ? 0 : res);
+}
+
+static inline int
+__addport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+
+	if (port < map->first_port || port > map->last_port)
+		return -ERANGE;
+	if (test_and_set_bit(port - map->first_port, map->members))
+		return -EEXIST;
+		
+	*hash_port = port;
+	DP("port %u", port);
+	return 0;
+}
+
+static int
+addport(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_port)
+{
+	struct ip_set_req_portmap *req = 
+	    (struct ip_set_req_portmap *) data;
+
+	if (size != sizeof(struct ip_set_req_portmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_portmap),
+			      size);
+		return -EINVAL;
+	}
+	return __addport(set, req->port, hash_port);
+}
+
+static int
+addport_kernel(struct ip_set *set, const struct sk_buff *skb,
+	       u_int32_t flags, ip_set_ip_t *hash_port)
+{
+	ip_set_ip_t port = get_port(skb, flags);
+	
+	if (port == INVALID_PORT)
+		return -EINVAL;
+
+	return __addport(set, port, hash_port);
+}
+
+static inline int
+__delport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+
+	if (port < map->first_port || port > map->last_port)
+		return -ERANGE;
+	if (!test_and_clear_bit(port - map->first_port, map->members))
+		return -EEXIST;
+		
+	*hash_port = port;
+	DP("port %u", port);
+	return 0;
+}
+
+static int
+delport(struct ip_set *set, const void *data, size_t size,
+        ip_set_ip_t *hash_port)
+{
+	struct ip_set_req_portmap *req =
+	    (struct ip_set_req_portmap *) data;
+
+	if (size != sizeof(struct ip_set_req_portmap)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			      sizeof(struct ip_set_req_portmap),
+			      size);
+		return -EINVAL;
+	}
+	return __delport(set, req->port, hash_port);
+}
+
+static int
+delport_kernel(struct ip_set *set, const struct sk_buff *skb,
+	       u_int32_t flags, ip_set_ip_t *hash_port)
+{
+	ip_set_ip_t port = get_port(skb, flags);
+	
+	if (port == INVALID_PORT)
+		return -EINVAL;
+
+	return __delport(set, port, hash_port);
+}
+
+static int create(struct ip_set *set, const void *data, size_t size)
+{
+	int newbytes;
+	struct ip_set_req_portmap_create *req =
+	    (struct ip_set_req_portmap_create *) data;
+	struct ip_set_portmap *map;
+
+	if (size != sizeof(struct ip_set_req_portmap_create)) {
+		ip_set_printk("data length wrong (want %zu, have %zu)",
+			       sizeof(struct ip_set_req_portmap_create),
+			       size);
+		return -EINVAL;
+	}
+
+	DP("from %u to %u", req->from, req->to);
+
+	if (req->from > req->to) {
+		DP("bad port range");
+		return -ENOEXEC;
+	}
+
+	if (req->to - req->from > MAX_RANGE) {
+		ip_set_printk("range too big (max %d ports)",
+			       MAX_RANGE);
+		return -ENOEXEC;
+	}
+
+	map = kmalloc(sizeof(struct ip_set_portmap), GFP_KERNEL);
+	if (!map) {
+		DP("out of memory for %d bytes",
+		   sizeof(struct ip_set_portmap));
+		return -ENOMEM;
+	}
+	map->first_port = req->from;
+	map->last_port = req->to;
+	newbytes = bitmap_bytes(req->from, req->to);
+	map->members = kmalloc(newbytes, GFP_KERNEL);
+	if (!map->members) {
+		DP("out of memory for %d bytes", newbytes);
+		kfree(map);
+		return -ENOMEM;
+	}
+	memset(map->members, 0, newbytes);
+
+	set->data = map;
+	return 0;
+}
+
+static void destroy(struct ip_set *set)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+
+	kfree(map->members);
+	kfree(map);
+
+	set->data = NULL;
+}
+
+static void flush(struct ip_set *set)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+	memset(map->members, 0, bitmap_bytes(map->first_port, map->last_port));
+}
+
+static void list_header(const struct ip_set *set, void *data)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+	struct ip_set_req_portmap_create *header =
+	    (struct ip_set_req_portmap_create *) data;
+
+	DP("list_header %u %u", map->first_port, map->last_port);
+
+	header->from = map->first_port;
+	header->to = map->last_port;
+}
+
+static int list_members_size(const struct ip_set *set)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+
+	return bitmap_bytes(map->first_port, map->last_port);
+}
+
+static void list_members(const struct ip_set *set, void *data)
+{
+	struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
+	int bytes = bitmap_bytes(map->first_port, map->last_port);
+
+	memcpy(data, map->members, bytes);
+}
+
+static struct ip_set_type ip_set_portmap = {
+	.typename		= SETTYPE_NAME,
+	.typecode		= IPSET_TYPE_PORT,
+	.protocol_version	= IP_SET_PROTOCOL_VERSION,
+	.create			= &create,
+	.destroy		= &destroy,
+	.flush			= &flush,
+	.reqsize		= sizeof(struct ip_set_req_portmap),
+	.addip			= &addport,
+	.addip_kernel		= &addport_kernel,
+	.delip			= &delport,
+	.delip_kernel		= &delport_kernel,
+	.testip			= &testport,
+	.testip_kernel		= &testport_kernel,
+	.header_size		= sizeof(struct ip_set_req_portmap_create),
+	.list_header		= &list_header,
+	.list_members_size	= &list_members_size,
+	.list_members		= &list_members,
+	.me			= THIS_MODULE,
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("portmap type of IP sets");
+
+static int __init init(void)
+{
+	return ip_set_register_set_type(&ip_set_portmap);
+}
+
+static void __exit fini(void)
+{
+	/* FIXME: possible race with ip_set_create() */
+	ip_set_unregister_set_type(&ip_set_portmap);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_nth.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_nth.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,166 @@
+/*
+  This is a module which is used for match support for every Nth packet
+  This file is distributed under the terms of the GNU General Public
+  License (GPL). Copies of the GPL can be obtained from:
+     ftp://prep.ai.mit.edu/pub/gnu/GPL
+
+  2001-07-18 Fabrice MARIE <fabrice at netfilter.org> : initial implementation.
+  2001-09-20 Richard Wagner (rwagner at cloudnet.com)
+        * added support for multiple counters
+        * added support for matching on individual packets
+          in the counter cycle
+  2004-02-19 Harald Welte <laforge at netfilter.org>
+  	* port to 2.6.x
+
+*/
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <net/tcp.h>
+#include <linux/spinlock.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_nth.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Fabrice Marie <fabrice at netfilter.org>");
+
+/*
+ * State information.
+ */
+struct state {
+	spinlock_t lock;
+	u_int16_t number;
+};
+
+static struct state states[IPT_NTH_NUM_COUNTERS];
+
+static int
+ipt_nth_match(const struct sk_buff *pskb,
+	      const struct net_device *in,
+	      const struct net_device *out,
+	      const void *matchinfo,
+	      int offset,
+	      int *hotdrop)
+{
+	/* Parameters from userspace */
+	const struct ipt_nth_info *info = matchinfo;
+        unsigned counter = info->counter;
+       	if((counter < 0) || (counter >= IPT_NTH_NUM_COUNTERS)) 
+      	{
+       		printk(KERN_WARNING "nth: invalid counter %u. counter between 0 and %u\n", counter, IPT_NTH_NUM_COUNTERS-1);
+               return 0;
+        };
+
+        spin_lock(&states[counter].lock);
+
+        /* Are we matching every nth packet?*/
+        if (info->packet == 0xFF)
+        {
+		/* We're matching every nth packet and only every nth packet*/
+		/* Do we match or invert match? */
+		if (info->not == 0)
+		{
+			if (states[counter].number == 0)
+			{
+				++states[counter].number;
+				goto match;
+			}
+			if (states[counter].number >= info->every)
+				states[counter].number = 0; /* reset the counter */
+			else
+				++states[counter].number;
+			goto dontmatch;
+		}
+		else
+		{
+			if (states[counter].number == 0)
+			{
+				++states[counter].number;
+				goto dontmatch;
+			}
+			if (states[counter].number >= info->every)
+				states[counter].number = 0;
+			else
+				++states[counter].number;
+			goto match;
+		}
+        }
+        else
+        {
+		/* We're using the --packet, so there must be a rule for every value */
+		if (states[counter].number == info->packet)
+		{
+			/* only increment the counter when a match happens */
+			if (states[counter].number >= info->every)
+				states[counter].number = 0; /* reset the counter */
+			else
+				++states[counter].number;
+			goto match;
+		}
+		else
+			goto dontmatch;
+	}
+
+ dontmatch:
+	/* don't match */
+	spin_unlock(&states[counter].lock);
+	return 0;
+
+ match:
+	spin_unlock(&states[counter].lock);
+	return 1;
+}
+
+static int
+ipt_nth_checkentry(const char *tablename,
+		   const struct ipt_ip *e,
+		   void *matchinfo,
+		   unsigned int matchsize,
+		   unsigned int hook_mask)
+{
+	/* Parameters from userspace */
+	const struct ipt_nth_info *info = matchinfo;
+        unsigned counter = info->counter;
+        if((counter < 0) || (counter >= IPT_NTH_NUM_COUNTERS)) 
+	{
+		printk(KERN_WARNING "nth: invalid counter %u. counter between 0 and %u\n", counter, IPT_NTH_NUM_COUNTERS-1);
+               	return 0;
+       	};
+
+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_nth_info))) {
+		printk("nth: matchsize %u != %zu\n", matchsize,
+		       IPT_ALIGN(sizeof(struct ipt_nth_info)));
+		return 0;
+	}
+
+	states[counter].number = info->startat;
+
+	return 1;
+}
+
+static struct ipt_match ipt_nth_reg = { 
+	.name = "nth",
+	.match = ipt_nth_match,
+	.checkentry = ipt_nth_checkentry,
+	.me = THIS_MODULE
+};
+
+static int __init init(void)
+{
+	unsigned counter;
+
+	memset(&states, 0, sizeof(states));
+        for (counter = 0; counter < IPT_NTH_NUM_COUNTERS; counter++) 
+		spin_lock_init(&(states[counter].lock));
+
+	return ipt_register_match(&ipt_nth_reg);
+}
+
+static void __exit fini(void)
+{
+	ipt_unregister_match(&ipt_nth_reg);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_osf.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_osf.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,854 @@
+/*
+ * ipt_osf.c
+ *
+ * Copyright (c) 2003-2005 Evgeniy Polyakov <johnpol at 2ka.mipt.ru>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * OS fingerprint matching module.
+ * It simply compares various parameters from SYN packet with
+ * some hardcoded ones.
+ *
+ * Original table was created by Michal Zalewski <lcamtuf at coredump.cx>
+ * for his p0f.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/smp.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/file.h>
+#include <linux/ip.h>
+#include <linux/proc_fs.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/ctype.h>
+#include <linux/list.h>
+#include <linux/if.h>
+#include <linux/inetdevice.h>
+#include <net/ip.h>
+#include <linux/tcp.h>
+
+#include <linux/netfilter_ipv4/ip_tables.h>
+
+#include <linux/netfilter_ipv4/ipt_osf.h>
+
+#define OSF_DEBUG
+
+#ifdef OSF_DEBUG
+#define log(x...) 		printk(KERN_INFO "ipt_osf: " x)
+#define loga(x...) 		printk(x)
+#else
+#define log(x...) 		do {} while(0)
+#define loga(x...) 		do {} while(0)
+#endif
+
+#define FMATCH_WRONG		0
+#define FMATCH_OK		1
+#define FMATCH_OPT_WRONG	2
+
+#define OPTDEL			','
+#define OSFPDEL 		':'
+#define MAXOPTSTRLEN		128
+#define OSFFLUSH		"FLUSH"
+
+static rwlock_t osf_lock = RW_LOCK_UNLOCKED;
+static spinlock_t ipt_osf_netlink_lock = SPIN_LOCK_UNLOCKED;
+static struct list_head	finger_list;	
+static int match(const struct sk_buff *, const struct net_device *, const struct net_device *,
+		      const void *, int, 
+		      int *);
+static int checkentry(const char *, const struct ipt_ip *, void *,
+		           unsigned int, unsigned int);
+
+static unsigned long seq, ipt_osf_groups = 1;
+static struct sock *nts;
+
+static struct ipt_match osf_match = { 
+	.name = "osf", 
+	.match = &match, 
+	.checkentry = &checkentry, 
+	.me = THIS_MODULE 
+};
+
+
+#ifdef CONFIG_CONNECTOR
+#include <linux/connector.h>
+
+/*
+ * They should live in connector.h.
+ */
+#define CN_IDX_OSF		0x0001
+#define CN_VAL_OSF		0x0000
+
+static char osf_finger_buf[sizeof(struct ipt_osf_nlmsg) + sizeof(struct cn_msg)];
+static struct cb_id osf_id = {CN_IDX_OSF, CN_VAL_OSF};
+static u32 osf_seq;
+
+static void ipt_osf_send_connector(struct osf_finger *f, const struct sk_buff *sk)
+{
+	struct cn_msg *m;
+	struct ipt_osf_nlmsg *data;
+	
+	m = (struct cn_msg *)osf_finger_buf;
+	data = (struct ipt_osf_nlmsg *)(m+1);
+
+	memcpy(&m->id, &osf_id, sizeof(m->id));
+	m->seq = osf_seq++;
+	m->ack = 0;
+	m->len = sizeof(*data);
+	
+	memcpy(&data->f, f, sizeof(struct osf_finger));
+	memcpy(&data->ip, sk->nh.iph, sizeof(struct iphdr));
+	memcpy(&data->tcp, (struct tcphdr *)((u_int32_t *)sk->nh.iph + sk->nh.iph->ihl), sizeof(struct tcphdr));
+
+	cn_netlink_send(m, m->id.idx, GFP_ATOMIC);
+}
+#else
+static void ipt_osf_send_connector(struct osf_finger *f, const struct sk_buff *sk)
+{
+}
+#endif
+
+static void ipt_osf_nlsend(struct osf_finger *f, const struct sk_buff *sk)
+{
+	unsigned int size;
+	struct sk_buff *skb;
+	struct ipt_osf_nlmsg *data;
+	struct nlmsghdr *nlh;
+
+	if (!nts)
+		return;
+
+	size = NLMSG_SPACE(sizeof(struct ipt_osf_nlmsg));
+
+	skb = alloc_skb(size, GFP_ATOMIC);
+	if (!skb) {
+		log("skb_alloc() failed.\n");
+		return;
+	}
+	
+	nlh = NLMSG_PUT(skb, 0, seq++, NLMSG_DONE, size - sizeof(*nlh));
+	
+	data = (struct ipt_osf_nlmsg *)NLMSG_DATA(nlh);
+
+	memcpy(&data->f, f, sizeof(struct osf_finger));
+	memcpy(&data->ip, sk->nh.iph, sizeof(struct iphdr));
+	memcpy(&data->tcp, (struct tcphdr *)((u_int32_t *)sk->nh.iph + sk->nh.iph->ihl), sizeof(struct tcphdr));
+
+	NETLINK_CB(skb).dst_groups = ipt_osf_groups;
+	netlink_broadcast(nts, skb, 0, ipt_osf_groups, GFP_ATOMIC);
+
+nlmsg_failure:
+	return;
+}
+
+static inline int smart_dec(const struct sk_buff *skb, unsigned long flags, unsigned char f_ttl)
+{
+	struct iphdr *ip = skb->nh.iph;
+
+	if (flags & IPT_OSF_SMART) {
+		struct in_device *in_dev = in_dev_get(skb->dev);
+
+		for_ifa(in_dev) {
+			if (inet_ifa_match(ip->saddr, ifa)) {
+				in_dev_put(in_dev);
+				return (ip->ttl == f_ttl);
+			}
+		}
+		endfor_ifa(in_dev);
+		
+		in_dev_put(in_dev);
+		return (ip->ttl <= f_ttl);
+	}
+	else
+		return (ip->ttl == f_ttl);
+}
+
+static int
+match(const struct sk_buff *skb, const struct net_device *in, const struct net_device *out,
+      const void *matchinfo, int offset,
+      int *hotdrop)
+{
+	struct ipt_osf_info *info = (struct ipt_osf_info *)matchinfo;
+	struct iphdr _iph, *ip;
+	struct tcphdr _tcph, *tcp;
+	int fmatch = FMATCH_WRONG, fcount = 0;
+	unsigned long totlen, optsize = 0, window;
+	unsigned char df, *optp = NULL, *_optp = NULL;
+	unsigned char opts[MAX_IPOPTLEN];
+	char check_WSS = 0;
+	struct osf_finger *f;
+	int off;
+
+	if (!info)
+		return 0;
+	
+	off = 0;
+	
+	ip = skb_header_pointer(skb, off, sizeof(_iph), &_iph);
+	if (!ip)
+		return 0;
+				
+	tcp = skb_header_pointer(skb, off + ip->ihl * 4, sizeof(_tcph), &_tcph);
+	if (!tcp)
+		return 0;
+	
+	if (!tcp->syn)
+		return 0;
+	
+	totlen = ntohs(ip->tot_len);
+	df = ((ntohs(ip->frag_off) & IP_DF)?1:0);
+	window = ntohs(tcp->window);
+	
+	if (tcp->doff*4 > sizeof(struct tcphdr)) {
+		optsize = tcp->doff*4 - sizeof(struct tcphdr);
+
+		if (optsize > sizeof(opts)) {
+			log("%s: BUG: too big options size: optsize=%lu, max=%zu.\n",
+					__func__, optsize, sizeof(opts));
+			optsize = sizeof(opts);
+		}
+		
+		_optp = optp = skb_header_pointer(skb, off + ip->ihl*4 + sizeof(_tcph), optsize, opts);
+	}
+
+	/* Actually we can create hash/table of all genres and search
+	 * only in appropriate part, but here is initial variant,
+	 * so will use slow path.
+	 */
+	read_lock(&osf_lock);
+	list_for_each_entry(f, &finger_list, flist) {
+	
+		if (!(info->flags & IPT_OSF_LOG) && strcmp(info->genre, f->genre)) 
+			continue;
+
+		optp = _optp;
+		fmatch = FMATCH_WRONG;
+
+		if (totlen == f->ss && df == f->df && 
+			smart_dec(skb, info->flags, f->ttl)) {
+			unsigned long foptsize;
+			int optnum;
+			unsigned short mss = 0;
+
+			check_WSS = 0;
+
+			switch (f->wss.wc) {
+				case 0:	  check_WSS = 0; break;
+				case 'S': check_WSS = 1; break;
+				case 'T': check_WSS = 2; break;
+				case '%': check_WSS = 3; break;
+				default: log("Wrong fingerprint wss.wc=%d, %s - %s\n", 
+							 f->wss.wc, f->genre, f->details);
+					 check_WSS = 4;
+					 break;
+			}
+			if (check_WSS == 4)
+				continue;
+
+			/* Check options */
+
+			foptsize = 0;
+			for (optnum=0; optnum<f->opt_num; ++optnum)
+				foptsize += f->opt[optnum].length;
+
+				
+			if (foptsize > MAX_IPOPTLEN || optsize > MAX_IPOPTLEN || optsize != foptsize)
+				continue;
+
+			if (!optp) {
+				fmatch = FMATCH_OK;
+				loga("\tYEP : matching without options.\n");
+				if ((info->flags & IPT_OSF_LOG) && 
+					info->loglevel == IPT_OSF_LOGLEVEL_FIRST)
+					break;
+				else
+					continue;
+			}
+
+			for (optnum=0; optnum<f->opt_num; ++optnum) {
+				if (f->opt[optnum].kind == (*optp)) {
+					unsigned char len = f->opt[optnum].length;
+					unsigned char *optend = optp + len;
+					int loop_cont = 0;
+
+					fmatch = FMATCH_OK;
+
+
+					switch (*optp) {
+						case OSFOPT_MSS:
+							mss = ntohs(*(unsigned short *)(optp+2));
+							break;
+						case OSFOPT_TS:
+							loop_cont = 1;
+							break;
+					}
+					
+					if (loop_cont) {
+						optp = optend;
+						continue;
+					}
+					
+					if (len != 1) {
+						/* Skip kind and length fields*/
+						optp += 2; 
+
+						if (f->opt[optnum].wc.val != 0) {
+							unsigned long tmp = 0;
+							
+							/* Hmmm... It looks a bit ugly. :) */
+							memcpy(&tmp, optp, 
+								(len > sizeof(unsigned long)?
+								 	sizeof(unsigned long):len));
+							/* 2 + 2: optlen(2 bytes) + 
+							 * 	kind(1 byte) + length(1 byte) */
+							if (len == 4) 
+								tmp = ntohs(tmp);
+							else
+								tmp = ntohl(tmp);
+
+							if (f->opt[optnum].wc.wc == '%') {
+								if ((tmp % f->opt[optnum].wc.val) != 0)
+									fmatch = FMATCH_OPT_WRONG;
+							}
+							else if (tmp != f->opt[optnum].wc.val)
+								fmatch = FMATCH_OPT_WRONG;
+						}
+					}
+
+					optp = optend;
+				} else
+					fmatch = FMATCH_OPT_WRONG;
+
+				if (fmatch != FMATCH_OK)
+					break;
+			}
+
+			if (fmatch != FMATCH_OPT_WRONG) {
+				fmatch = FMATCH_WRONG;
+
+				switch (check_WSS) {
+					case 0:
+						if (f->wss.val == 0 || window == f->wss.val)
+							fmatch = FMATCH_OK;
+						break;
+					case 1: /* MSS */
+/* Lurked in OpenBSD */
+#define SMART_MSS	1460
+						if (window == f->wss.val*mss || 
+							window == f->wss.val*SMART_MSS)
+							fmatch = FMATCH_OK;
+						break;
+					case 2: /* MTU */
+						if (window == f->wss.val*(mss+40) ||
+							window == f->wss.val*(SMART_MSS+40))
+							fmatch = FMATCH_OK;
+						break;
+					case 3: /* MOD */
+						if ((window % f->wss.val) == 0)
+							fmatch = FMATCH_OK;
+						break;
+				}
+			}
+					
+
+			if (fmatch == FMATCH_OK) {
+				fcount++;
+				log("%s [%s:%s:%s] : %u.%u.%u.%u:%u -> %u.%u.%u.%u:%u hops=%d\n", 
+					f->genre, f->version,
+					f->subtype, f->details,
+					NIPQUAD(ip->saddr), ntohs(tcp->source),
+					NIPQUAD(ip->daddr), ntohs(tcp->dest),
+					f->ttl - ip->ttl);
+				if (info->flags & IPT_OSF_NETLINK) {
+					spin_lock_bh(&ipt_osf_netlink_lock);
+					ipt_osf_nlsend(f, skb);
+					spin_unlock_bh(&ipt_osf_netlink_lock);
+				}
+				if (info->flags & IPT_OSF_CONNECTOR) {
+					spin_lock_bh(&ipt_osf_netlink_lock);
+					ipt_osf_send_connector(f, skb);
+					spin_unlock_bh(&ipt_osf_netlink_lock);
+				}
+				if ((info->flags & IPT_OSF_LOG) && 
+					info->loglevel == IPT_OSF_LOGLEVEL_FIRST)
+					break;
+			}
+		}
+	}
+	if (!fcount && (info->flags & (IPT_OSF_LOG | IPT_OSF_NETLINK | IPT_OSF_CONNECTOR))) {
+		unsigned char opt[4 * 15 - sizeof(struct tcphdr)];
+		unsigned int i, optsize;
+		struct osf_finger fg;
+
+		memset(&fg, 0, sizeof(fg));
+
+		if ((info->flags & IPT_OSF_LOG))
+			log("Unknown: %lu:%d:%d:%lu:", window, ip->ttl, df, totlen);
+		if (optp) {
+			optsize = tcp->doff * 4 - sizeof(struct tcphdr);
+			if (skb_copy_bits(skb, off + ip->ihl*4 + sizeof(struct tcphdr),
+					  opt, optsize) < 0) {
+				if (info->flags & IPT_OSF_LOG)
+					loga("TRUNCATED");
+				if (info->flags & IPT_OSF_NETLINK)
+					strcpy(fg.details, "TRUNCATED");
+			} else {
+				for (i = 0; i < optsize; i++) {
+					if (info->flags & IPT_OSF_LOG)
+						loga("%02X", opt[i]);
+				}
+				if (info->flags & IPT_OSF_NETLINK)
+					memcpy(fg.details, opt, MAXDETLEN);
+			}
+		}
+		if ((info->flags & IPT_OSF_LOG))
+			loga(" %u.%u.%u.%u:%u -> %u.%u.%u.%u:%u\n", 
+				NIPQUAD(ip->saddr), ntohs(tcp->source),
+				NIPQUAD(ip->daddr), ntohs(tcp->dest));
+		
+		if (info->flags & (IPT_OSF_NETLINK | IPT_OSF_CONNECTOR)) {
+			fg.wss.val 	= window;
+			fg.ttl		= ip->ttl;
+			fg.df		= df;
+			fg.ss		= totlen;
+			strncpy(fg.genre, "Unknown", MAXGENRELEN);
+
+			spin_lock_bh(&ipt_osf_netlink_lock);
+			if (info->flags & IPT_OSF_NETLINK)
+				ipt_osf_nlsend(&fg, skb);
+			if (info->flags & IPT_OSF_CONNECTOR)
+				ipt_osf_send_connector(&fg, skb);
+			spin_unlock_bh(&ipt_osf_netlink_lock);
+		}
+	}
+
+	read_unlock(&osf_lock);
+	
+	if (fcount)
+		fmatch = FMATCH_OK;
+
+	return (fmatch == FMATCH_OK)?1:0;
+}
+
+static int
+checkentry(const char *tablename,
+           const struct ipt_ip *ip,
+           void *matchinfo,
+           unsigned int matchsize,
+           unsigned int hook_mask)
+{
+       if (matchsize != IPT_ALIGN(sizeof(struct ipt_osf_info)))
+               return 0;
+       if (ip->proto != IPPROTO_TCP)
+	       return 0;
+
+       return 1;
+}
+
+static char * osf_strchr(char *ptr, char c)
+{
+	char *tmp;
+
+	tmp = strchr(ptr, c);
+
+	while (tmp && tmp+1 && isspace(*(tmp+1)))
+		tmp++;
+
+	return tmp;
+}
+
+static struct osf_finger * finger_alloc(void)
+{
+	struct osf_finger *f;
+
+	f = kmalloc(sizeof(struct osf_finger), GFP_KERNEL);
+	if (f)
+		memset(f, 0, sizeof(struct osf_finger));
+	
+	return f;
+}
+
+static void finger_free(struct osf_finger *f)
+{
+	memset(f, 0, sizeof(struct osf_finger));
+	kfree(f);
+}
+
+
+static void osf_parse_opt(struct osf_opt *opt, int *optnum, char *obuf, int olen)
+{
+	int i, op;
+	char *ptr, wc;
+	unsigned long val;
+
+	ptr = &obuf[0];
+	i = 0;
+	while (ptr != NULL && i < olen) {
+		val = 0;
+		op = 0;
+		wc = 0;
+		switch (obuf[i]) {
+			case 'N': 
+				op = OSFOPT_NOP;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					*ptr = '\0';
+					ptr++;
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+			case 'S': 
+				op = OSFOPT_SACKP;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					*ptr = '\0';
+					ptr++;
+					i += (int)(ptr-&obuf[i]);
+
+				}
+				else
+					i++;
+				break;
+			case 'T': 
+				op = OSFOPT_TS;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					*ptr = '\0';
+					ptr++;
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+			case 'W': 
+				op = OSFOPT_WSO;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					switch (obuf[i+1]) {
+						case '%':	wc = '%'; break;
+						case 'S':	wc = 'S'; break;
+						case 'T':	wc = 'T'; break;
+						default:	wc = 0; break;
+					}
+					
+					*ptr = '\0';
+					ptr++;
+					if (wc)
+						val = simple_strtoul(&obuf[i+2], NULL, 10);
+					else
+						val = simple_strtoul(&obuf[i+1], NULL, 10);
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+			case 'M': 
+				op = OSFOPT_MSS;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					if (obuf[i+1] == '%')
+						wc = '%';
+					*ptr = '\0';
+					ptr++;
+					if (wc)
+						val = simple_strtoul(&obuf[i+2], NULL, 10);
+					else
+						val = simple_strtoul(&obuf[i+1], NULL, 10);
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+			case 'E': 
+				op = OSFOPT_EOL;
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					*ptr = '\0';
+					ptr++;
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+			default:
+				ptr = osf_strchr(&obuf[i], OPTDEL);
+				if (ptr) {
+					ptr++;
+					i += (int)(ptr-&obuf[i]);
+
+				} else
+					i++;
+				break;
+		}
+
+		opt[*optnum].kind 	= IANA_opts[op].kind;
+		opt[*optnum].length 	= IANA_opts[op].length;
+		opt[*optnum].wc.wc 	= wc;
+		opt[*optnum].wc.val	= val;
+
+		(*optnum)++;
+	}
+}
+
+static int osf_proc_read(char *buf, char **start, off_t off, int count, int *eof, void *data)
+{
+	struct osf_finger *f = NULL;
+	int i, __count, err;
+	
+	*eof = 1;
+	__count = count;
+	count = 0;
+
+	read_lock_bh(&osf_lock);
+	list_for_each_entry(f, &finger_list, flist) {
+		log("%s [%s]", f->genre, f->details);
+		
+		err = snprintf(buf+count, __count-count, "%s - %s[%s] : %s", 
+					f->genre, f->version,
+					f->subtype, f->details);
+		if (err == 0 || __count <= count + err)
+			break;
+		else
+			count += err;
+		if (f->opt_num) {
+			loga(" OPT: ");
+			//count += sprintf(buf+count, " OPT: ");
+			for (i=0; i<f->opt_num; ++i) {
+				//count += sprintf(buf+count, "%d.%c%lu; ", 
+				//	f->opt[i].kind, (f->opt[i].wc.wc)?f->opt[i].wc.wc:' ', f->opt[i].wc.val);
+				loga("%d.%c%lu; ", 
+					f->opt[i].kind, (f->opt[i].wc.wc)?f->opt[i].wc.wc:' ', f->opt[i].wc.val);
+			}
+		}
+		loga("\n");
+		err = snprintf(buf+count, __count-count, "\n");
+		if (err == 0 || __count <= count + err)
+			break;
+		else
+			count += err;
+	}
+	read_unlock_bh(&osf_lock);
+
+	return count;
+}
+
+static int osf_proc_write(struct file *file, const char *buffer, unsigned long count, void *data)
+{
+	int cnt;
+	unsigned long i;
+	char obuf[MAXOPTSTRLEN];
+	struct osf_finger *finger, *n;
+
+	char *pbeg, *pend;
+
+	if (count == strlen(OSFFLUSH) && !strncmp(buffer, OSFFLUSH, strlen(OSFFLUSH))) {
+		int i = 0;
+		write_lock_bh(&osf_lock);
+		list_for_each_entry_safe(finger, n, &finger_list, flist) {
+			i++;
+			list_del(&finger->flist);
+			finger_free(finger);
+		}
+		write_unlock_bh(&osf_lock);
+	
+		log("Flushed %d entries.\n", i);
+		
+		return count;
+	}
+
+	
+	cnt = 0;
+	for (i=0; i<count && buffer[i] != '\0'; ++i)
+		if (buffer[i] == ':')
+			cnt++;
+
+	if (cnt != 8 || i != count) {
+		log("Wrong input line cnt=%d[8], len=%lu[%lu]\n", 
+			cnt, i, count);
+		return count;
+	}
+
+	memset(obuf, 0, sizeof(obuf));
+	
+	finger = finger_alloc();
+	if (!finger) {
+		log("Failed to allocate new fingerprint entry.\n");
+		return -ENOMEM;
+	}
+
+	pbeg = (char *)buffer;
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		if (pbeg[0] == 'S') {
+			finger->wss.wc = 'S';
+			if (pbeg[1] == '%')
+				finger->wss.val = simple_strtoul(pbeg+2, NULL, 10);
+			else if (pbeg[1] == '*')
+				finger->wss.val = 0;
+			else 
+				finger->wss.val = simple_strtoul(pbeg+1, NULL, 10);
+		} else if (pbeg[0] == 'T') {
+			finger->wss.wc = 'T';
+			if (pbeg[1] == '%')
+				finger->wss.val = simple_strtoul(pbeg+2, NULL, 10);
+			else if (pbeg[1] == '*')
+				finger->wss.val = 0;
+			else 
+				finger->wss.val = simple_strtoul(pbeg+1, NULL, 10);
+		} else if (pbeg[0] == '%') {
+			finger->wss.wc = '%';
+			finger->wss.val = simple_strtoul(pbeg+1, NULL, 10);
+		} else if (isdigit(pbeg[0])) {
+			finger->wss.wc = 0;
+			finger->wss.val = simple_strtoul(pbeg, NULL, 10);
+		}
+
+		pbeg = pend+1;
+	}
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		finger->ttl = simple_strtoul(pbeg, NULL, 10);
+		pbeg = pend+1;
+	}
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		finger->df = simple_strtoul(pbeg, NULL, 10);
+		pbeg = pend+1;
+	}
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		finger->ss = simple_strtoul(pbeg, NULL, 10);
+		pbeg = pend+1;
+	}
+
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		cnt = snprintf(obuf, sizeof(obuf), "%s", pbeg);
+		pbeg = pend+1;
+	}
+
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		if (pbeg[0] == '@' || pbeg[0] == '*')
+			cnt = snprintf(finger->genre, sizeof(finger->genre), "%s", pbeg+1);
+		else
+			cnt = snprintf(finger->genre, sizeof(finger->genre), "%s", pbeg);
+		pbeg = pend+1;
+	}
+	
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		cnt = snprintf(finger->version, sizeof(finger->version), "%s", pbeg);
+		pbeg = pend+1;
+	}
+	
+	pend = osf_strchr(pbeg, OSFPDEL);
+	if (pend) {
+		*pend = '\0';
+		cnt = snprintf(finger->subtype, sizeof(finger->subtype), "%s", pbeg);
+		pbeg = pend+1;
+	}
+
+	cnt = snprintf(finger->details, 
+			((count - (pbeg - buffer)+1) > MAXDETLEN)?MAXDETLEN:(count - (pbeg - buffer)+1), 
+			"%s", pbeg);
+	
+	log("%s - %s[%s] : %s\n", 
+		finger->genre, finger->version,
+		finger->subtype, finger->details);
+	
+	osf_parse_opt(finger->opt, &finger->opt_num, obuf, sizeof(obuf));
+	
+
+	write_lock_bh(&osf_lock);
+	list_add_tail(&finger->flist, &finger_list);
+	write_unlock_bh(&osf_lock);
+
+	return count;
+}
+
+static int __devinit osf_init(void)
+{
+	int err;
+	struct proc_dir_entry *p;
+
+	log("Startng OS fingerprint matching module.\n");
+
+	INIT_LIST_HEAD(&finger_list);
+	
+	err = ipt_register_match(&osf_match);
+	if (err) {
+		log("Failed to register OS fingerprint matching module.\n");
+		return -ENXIO;
+	}
+
+	p = create_proc_entry("sys/net/ipv4/osf", S_IFREG | 0644, NULL);
+	if (!p) {
+		ipt_unregister_match(&osf_match);
+		return -ENXIO;
+	}
+
+	p->write_proc = osf_proc_write;
+	p->read_proc  = osf_proc_read;
+	
+	nts = netlink_kernel_create(NETLINK_NFLOG, NULL);
+	if (!nts) {
+		log("netlink_kernel_create() failed\n");
+	}
+
+	return 0;
+}
+
+static void __devexit osf_fini(void)
+{
+	struct osf_finger *f, *n;
+	
+	remove_proc_entry("sys/net/ipv4/osf", NULL);
+	ipt_unregister_match(&osf_match);
+	if (nts && nts->sk_socket)
+		sock_release(nts->sk_socket);
+
+	list_for_each_entry_safe(f, n, &finger_list, flist) {
+		list_del(&f->flist);
+		finger_free(f);
+	}
+	
+	log("OS fingerprint matching module finished.\n");
+}
+
+module_init(osf_init);
+module_exit(osf_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Evgeniy Polyakov <johnpol at 2ka.mipt.ru>");
+MODULE_DESCRIPTION("Passive OS fingerprint matching.");

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_policy.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_policy.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,176 @@
+/* IP tables module for matching IPsec policy
+ *
+ * Copyright (c) 2004 Patrick McHardy, <kaber at trash.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/init.h>
+#include <net/xfrm.h>
+
+#include <linux/netfilter_ipv4.h>
+#include <linux/netfilter_ipv4/ipt_policy.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber at trash.net>");
+MODULE_DESCRIPTION("IPtables IPsec policy matching module");
+MODULE_LICENSE("GPL");
+
+
+static inline int
+match_xfrm_state(struct xfrm_state *x, const struct ipt_policy_elem *e)
+{
+#define MISMATCH(x,y)	(e->match.x && ((e->x != (y)) ^ e->invert.x))
+
+	if (MISMATCH(saddr, x->props.saddr.a4 & e->smask) ||
+	    MISMATCH(daddr, x->id.daddr.a4 & e->dmask) ||
+	    MISMATCH(proto, x->id.proto) ||
+	    MISMATCH(mode, x->props.mode) ||
+	    MISMATCH(spi, x->id.spi) ||
+	    MISMATCH(reqid, x->props.reqid))
+		return 0;
+	return 1;
+}
+
+static int
+match_policy_in(const struct sk_buff *skb, const struct ipt_policy_info *info)
+{
+	const struct ipt_policy_elem *e;
+	struct sec_path *sp = skb->sp;
+	int strict = info->flags & POLICY_MATCH_STRICT;
+	int i, pos;
+
+	if (sp == NULL)
+		return -1;
+	if (strict && info->len != sp->len)
+		return 0;
+
+	for (i = sp->len - 1; i >= 0; i--) {
+		pos = strict ? i - sp->len + 1 : 0;
+		if (pos >= info->len)
+			return 0;
+		e = &info->pol[pos];
+
+		if (match_xfrm_state(sp->x[i].xvec, e)) {
+			if (!strict)
+				return 1;
+		} else if (strict)
+			return 0;
+	}
+
+	return strict ? 1 : 0;
+}
+
+static int
+match_policy_out(const struct sk_buff *skb, const struct ipt_policy_info *info)
+{
+	const struct ipt_policy_elem *e;
+	struct dst_entry *dst = skb->dst;
+	int strict = info->flags & POLICY_MATCH_STRICT;
+	int i, pos;
+
+	if (dst->xfrm == NULL)
+		return -1;
+
+	for (i = 0; dst && dst->xfrm; dst = dst->child, i++) {
+		pos = strict ? i : 0;
+		if (pos >= info->len)
+			return 0;
+		e = &info->pol[pos];
+
+		if (match_xfrm_state(dst->xfrm, e)) {
+			if (!strict)
+				return 1;
+		} else if (strict)
+			return 0;
+	}
+
+	return strict ? 1 : 0;
+}
+
+static int match(const struct sk_buff *skb,
+                 const struct net_device *in,
+                 const struct net_device *out,
+                 const void *matchinfo, int offset, int *hotdrop)
+{
+	const struct ipt_policy_info *info = matchinfo;
+	int ret;
+
+	if (info->flags & POLICY_MATCH_IN)
+		ret = match_policy_in(skb, info);
+	else
+		ret = match_policy_out(skb, info);
+
+	if (ret < 0) {
+		if (info->flags & POLICY_MATCH_NONE)
+			ret = 1;
+		else
+			ret = 0;
+	} else if (info->flags & POLICY_MATCH_NONE)
+		ret = 0;
+
+	return ret;
+}
+
+static int checkentry(const char *tablename, const struct ipt_ip *ip,
+                      void *matchinfo, unsigned int matchsize,
+                      unsigned int hook_mask)
+{
+	struct ipt_policy_info *info = matchinfo;
+
+	if (matchsize != IPT_ALIGN(sizeof(*info))) {
+		printk(KERN_ERR "ipt_policy: matchsize %u != %zu\n",
+		       matchsize, IPT_ALIGN(sizeof(*info)));
+		return 0;
+	}
+	if (!(info->flags & (POLICY_MATCH_IN|POLICY_MATCH_OUT))) {
+		printk(KERN_ERR "ipt_policy: neither incoming nor "
+		                "outgoing policy selected\n");
+		return 0;
+	}
+	if (hook_mask & (1 << NF_IP_PRE_ROUTING | 1 << NF_IP_LOCAL_IN)
+	    && info->flags & POLICY_MATCH_OUT) {
+		printk(KERN_ERR "ipt_policy: output policy not valid in "
+		                "PRE_ROUTING and INPUT\n");
+		return 0;
+	}
+	if (hook_mask & (1 << NF_IP_POST_ROUTING | 1 << NF_IP_LOCAL_OUT)
+	    && info->flags & POLICY_MATCH_IN) {
+		printk(KERN_ERR "ipt_policy: input policy not valid in "
+		                "POST_ROUTING and OUTPUT\n");
+		return 0;
+	}
+	if (info->len > POLICY_MAX_ELEM) {
+		printk(KERN_ERR "ipt_policy: too many policy elements\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+static struct ipt_match policy_match =
+{
+	.name		= "policy",
+	.match		= match,
+	.checkentry 	= checkentry,
+	.me		= THIS_MODULE,
+};
+
+static int __init init(void)
+{
+	return ipt_register_match(&policy_match);
+}
+
+static void __exit fini(void)
+{
+	ipt_unregister_match(&policy_match);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_set.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_set.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,112 @@
+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem at linux.nu>
+ *                         Patrick Schaaf <bof at bof.de>
+ *                         Martin Josefsson <gandalf at wlug.westbo.se>
+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec at 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 to match an IP set. */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ip_set.h>
+#include <linux/netfilter_ipv4/ipt_set.h>
+
+static inline int
+match_set(const struct ipt_set_info *info,
+	  const struct sk_buff *skb,
+	  int inv)
+{	
+	if (ip_set_testip_kernel(info->index, skb, info->flags))
+		inv = !inv;
+	return inv;
+}
+
+static int
+match(const struct sk_buff *skb,
+      const struct net_device *in,
+      const struct net_device *out,
+      const void *matchinfo,
+      int offset,
+      int *hotdrop)
+{
+	const struct ipt_set_info_match *info = matchinfo;
+		
+	return match_set(&info->match_set,
+			 skb,
+			 info->match_set.flags[0] & IPSET_MATCH_INV);
+}
+
+static int
+checkentry(const char *tablename,
+	   const struct ipt_ip *ip,
+	   void *matchinfo,
+	   unsigned int matchsize,
+	   unsigned int hook_mask)
+{
+	struct ipt_set_info_match *info = 
+		(struct ipt_set_info_match *) matchinfo;
+	ip_set_id_t index;
+
+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
+		ip_set_printk("invalid matchsize %d", matchsize);
+		return 0;
+	}
+
+	index = ip_set_get_byindex(info->match_set.index);
+		
+	if (index == IP_SET_INVALID_ID) {
+		ip_set_printk("Cannot find set indentified by id %u to match",
+			      info->match_set.index);
+		return 0;	/* error */
+	}
+	if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
+		ip_set_printk("That's nasty!");
+		return 0;	/* error */
+	}
+
+	return 1;
+}
+
+static void destroy(void *matchinfo, unsigned int matchsize)
+{
+	struct ipt_set_info_match *info = matchinfo;
+
+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
+		ip_set_printk("invalid matchsize %d", matchsize);
+		return;
+	}
+
+	ip_set_put(info->match_set.index);
+}
+
+static struct ipt_match set_match = {
+	.name		= "set",
+	.match		= &match,
+	.checkentry	= &checkentry,
+	.destroy	= &destroy,
+	.me		= THIS_MODULE
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec at blackhole.kfki.hu>");
+MODULE_DESCRIPTION("iptables IP set match module");
+
+static int __init init(void)
+{
+	return ipt_register_match(&set_match);
+}
+
+static void __exit fini(void)
+{
+	ipt_unregister_match(&set_match);
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_time.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv4/netfilter/ipt_time.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,179 @@
+/*
+  This is a module which is used for time matching
+  It is using some modified code from dietlibc (localtime() function)
+  that you can find at http://www.fefe.de/dietlibc/
+  This file is distributed under the terms of the GNU General Public
+  License (GPL). Copies of the GPL can be obtained from: ftp://prep.ai.mit.edu/pub/gnu/GPL
+  2001-05-04 Fabrice MARIE <fabrice at netfilter.org> : initial development.
+  2001-21-05 Fabrice MARIE <fabrice at netfilter.org> : bug fix in the match code,
+     thanks to "Zeng Yu" <zengy at capitel.com.cn> for bug report.
+  2001-26-09 Fabrice MARIE <fabrice at netfilter.org> : force the match to be in LOCAL_IN or PRE_ROUTING only.
+  2001-30-11 Fabrice : added the possibility to use the match in FORWARD/OUTPUT with a little hack,
+     added Nguyen Dang Phuoc Dong <dongnd at tlnet.com.vn> patch to support timezones.
+  2004-05-02 Fabrice : added support for date matching, from an idea of Fabien COELHO.
+*/
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_time.h>
+#include <linux/time.h>
+
+MODULE_AUTHOR("Fabrice MARIE <fabrice at netfilter.org>");
+MODULE_DESCRIPTION("Match arrival timestamp/date");
+MODULE_LICENSE("GPL");
+
+struct tm
+{
+	int tm_sec;                   /* Seconds.     [0-60] (1 leap second) */
+	int tm_min;                   /* Minutes.     [0-59] */
+	int tm_hour;                  /* Hours.       [0-23] */
+	int tm_mday;                  /* Day.         [1-31] */
+	int tm_mon;                   /* Month.       [0-11] */
+	int tm_year;                  /* Year - 1900.  */
+	int tm_wday;                  /* Day of week. [0-6] */
+	int tm_yday;                  /* Days in year.[0-365] */
+	int tm_isdst;                 /* DST.         [-1/0/1]*/
+
+	long int tm_gmtoff;           /* we don't care, we count from GMT */
+	const char *tm_zone;          /* we don't care, we count from GMT */
+};
+
+void
+localtime(const time_t *timepr, struct tm *r);
+
+static int
+match(const struct sk_buff *skb,
+      const struct net_device *in,
+      const struct net_device *out,
+      const void *matchinfo,
+      int offset,
+      int *hotdrop)
+{
+	const struct ipt_time_info *info = matchinfo;   /* match info for rule */
+	struct tm currenttime;                          /* time human readable */
+	u_int8_t days_of_week[7] = {64, 32, 16, 8, 4, 2, 1};
+	u_int16_t packet_time;
+
+	/* We might not have a timestamp, get one */
+	if (skb->stamp.tv_sec == 0)
+		do_gettimeofday((struct timeval *)&skb->stamp);
+
+	/* First we make sure we are in the date start-stop boundaries */
+	if ((skb->stamp.tv_sec < info->date_start) || (skb->stamp.tv_sec > info->date_stop))
+		return 0; /* We are outside the date boundaries */
+
+	/* Transform the timestamp of the packet, in a human readable form */
+	localtime(&skb->stamp.tv_sec, &currenttime);
+
+	/* check if we match this timestamp, we start by the days... */
+	if ((days_of_week[currenttime.tm_wday] & info->days_match) != days_of_week[currenttime.tm_wday])
+		return 0; /* the day doesn't match */
+
+	/* ... check the time now */
+	packet_time = (currenttime.tm_hour * 60) + currenttime.tm_min;
+	if ((packet_time < info->time_start) || (packet_time > info->time_stop))
+		return 0;
+
+	/* here we match ! */
+	return 1;
+}
+
+static int
+checkentry(const char *tablename,
+           const struct ipt_ip *ip,
+           void *matchinfo,
+           unsigned int matchsize,
+           unsigned int hook_mask)
+{
+	struct ipt_time_info *info = matchinfo;   /* match info for rule */
+
+	/* First, check that we are in the correct hooks */
+	if (hook_mask
+            & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD) | (1 << NF_IP_LOCAL_OUT)))
+	{
+		printk("ipt_time: error, only valid for PRE_ROUTING, LOCAL_IN, FORWARD and OUTPUT)\n");
+		return 0;
+	}
+
+	/* Check the size */
+	if (matchsize != IPT_ALIGN(sizeof(struct ipt_time_info)))
+		return 0;
+	/* Now check the coherence of the data ... */
+	if ((info->time_start > 1439) ||        /* 23*60+59 = 1439*/
+	    (info->time_stop  > 1439))
+	{
+		printk(KERN_WARNING "ipt_time: invalid argument\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+static struct ipt_match time_match = {
+	.name = "time",
+	.match = &match,
+	.checkentry = &checkentry,
+	.me = THIS_MODULE
+};
+
+static int __init init(void)
+{
+	printk("ipt_time loading\n");
+	return ipt_register_match(&time_match);
+}
+
+static void __exit fini(void)
+{
+	ipt_unregister_match(&time_match);
+	printk("ipt_time unloaded\n");
+}
+
+module_init(init);
+module_exit(fini);
+
+
+/* The part below is borowed and modified from dietlibc */
+
+/* seconds per day */
+#define SPD 24*60*60
+
+void
+localtime(const time_t *timepr, struct tm *r) {
+	time_t i;
+	time_t timep;
+	extern struct timezone sys_tz;
+	const unsigned int __spm[12] =
+		{ 0,
+		  (31),
+		  (31+28),
+		  (31+28+31),
+		  (31+28+31+30),
+		  (31+28+31+30+31),
+		  (31+28+31+30+31+30),
+		  (31+28+31+30+31+30+31),
+		  (31+28+31+30+31+30+31+31),
+		  (31+28+31+30+31+30+31+31+30),
+		  (31+28+31+30+31+30+31+31+30+31),
+		  (31+28+31+30+31+30+31+31+30+31+30),
+		};
+	register time_t work;
+
+	timep = (*timepr) - (sys_tz.tz_minuteswest * 60);
+	work=timep%(SPD);
+	r->tm_sec=work%60; work/=60;
+	r->tm_min=work%60; r->tm_hour=work/60;
+	work=timep/(SPD);
+	r->tm_wday=(4+work)%7;
+	for (i=1970; ; ++i) {
+		register time_t k= (!(i%4) && ((i%100) || !(i%400)))?366:365;
+		if (work>k)
+			work-=k;
+		else
+			break;
+	}
+	r->tm_year=i-1900;
+	for (i=11; i && __spm[i]>work; --i) ;
+	r->tm_mon=i;
+	r->tm_mday=work-__spm[i]+1;
+}

Modified: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Kconfig
==============================================================================
--- netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Kconfig	(original)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Kconfig	Thu Jul 28 10:51:51 2005
@@ -262,5 +262,39 @@
 	  If you want to compile it as a module, say M here and read
 	  Documentation/modules.txt.  If unsure, say `N'.
 
+config IP6_NF_MATCH_NTH
+	tristate  'Nth match support'
+	depends on IP6_NF_IPTABLES
+	help
+	  This option adds a `Nth' match, which allow you to make
+	  rules that match every Nth packet.  By default there are 
+	  16 different counters.
+	
+	  [options]
+	   --every     Nth              Match every Nth packet
+	  [--counter]  num              Use counter 0-15 (default:0)
+	  [--start]    num              Initialize the counter at the number 'num'
+	                                instead of 0. Must be between 0 and Nth-1
+	  [--packet]   num              Match on 'num' packet. Must be between 0
+	                                and Nth-1.
+	
+	                                If --packet is used for a counter than
+	                                there must be Nth number of --packet
+	                                rules, covering all values between 0 and
+	                                Nth-1 inclusively.
+	 
+	  If you want to compile it as a module, say M here and read
+	  Documentation/modules.txt.  If unsure, say `N'.
+
+config IP6_NF_MATCH_POLICY
+       tristate "IPsec policy match support"
+       depends on IP6_NF_IPTABLES && XFRM
+       help
+         Policy matching allows you to match packets based on the
+         IPsec policy that was used during decapsulation/will
+         be used during encapsulation.
+
+         To compile it as a module, choose M here.  If unsure, say N.
+
 endmenu
 

Modified: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Makefile
==============================================================================
--- netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Makefile	(original)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/Makefile	Thu Jul 28 10:51:51 2005
@@ -14,6 +14,7 @@
 obj-$(CONFIG_IP6_NF_MATCH_IPV6HEADER) += ip6t_ipv6header.o
 obj-$(CONFIG_IP6_NF_MATCH_FRAG) += ip6t_frag.o
 obj-$(CONFIG_IP6_NF_MATCH_AHESP) += ip6t_esp.o ip6t_ah.o
+obj-$(CONFIG_IP6_NF_MATCH_POLICY) += ip6t_policy.o
 obj-$(CONFIG_IP6_NF_MATCH_EUI64) += ip6t_eui64.o
 obj-$(CONFIG_IP6_NF_MATCH_MULTIPORT) += ip6t_multiport.o
 obj-$(CONFIG_IP6_NF_MATCH_OWNER) += ip6t_owner.o
@@ -23,6 +24,8 @@
 obj-$(CONFIG_IP6_NF_TARGET_MARK) += ip6t_MARK.o
 obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o
 obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o
+
+obj-$(CONFIG_IP6_NF_MATCH_NTH) += ip6t_nth.o
 obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o
 obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o
 

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_nth.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_nth.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,173 @@
+/*
+  This is a module which is used for match support for every Nth packet
+  This file is distributed under the terms of the GNU General Public
+  License (GPL). Copies of the GPL can be obtained from:
+     ftp://prep.ai.mit.edu/pub/gnu/GPL
+
+  2001-07-18 Fabrice MARIE <fabrice at netfilter.org> : initial implementation.
+  2001-09-20 Richard Wagner (rwagner at cloudnet.com)
+        * added support for multiple counters
+        * added support for matching on individual packets
+          in the counter cycle
+  2003-04-30 Maciej Soltysiak <solt at dns.toxicfilms.tv> : IPv6 Port
+  2005-06-27 Harald Welte <laforg at netfilter.org>: API update
+
+*/
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <net/tcp.h>
+#include <linux/spinlock.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/netfilter_ipv6/ip6t_nth.h>
+
+MODULE_LICENSE("GPL");
+
+/*
+ * State information.
+ */
+struct state {
+	spinlock_t lock;
+	u_int16_t number;
+};
+
+static struct state states[IP6T_NTH_NUM_COUNTERS];
+
+static int
+ip6t_nth_match(const struct sk_buff *pskb,
+	      const struct net_device *in,
+	      const struct net_device *out,
+	      const void *matchinfo,
+	      int offset,
+	      unsigned int protoff,
+	      int *hotdrop)
+{
+	/* Parameters from userspace */
+	const struct ip6t_nth_info *info = matchinfo;
+        unsigned counter = info->counter;
+       	if((counter < 0) || (counter >= IP6T_NTH_NUM_COUNTERS)) 
+      	{
+       		printk(KERN_WARNING "nth: invalid counter %u. counter between 0 and %u\n", counter, IP6T_NTH_NUM_COUNTERS-1);
+               return 0;
+        };
+
+        spin_lock(&states[counter].lock);
+
+        /* Are we matching every nth packet?*/
+        if (info->packet == 0xFF)
+        {
+		/* We're matching every nth packet and only every nth packet*/
+		/* Do we match or invert match? */
+		if (info->not == 0)
+		{
+			if (states[counter].number == 0)
+			{
+				++states[counter].number;
+				goto match;
+			}
+			if (states[counter].number >= info->every)
+				states[counter].number = 0; /* reset the counter */
+			else
+				++states[counter].number;
+			goto dontmatch;
+		}
+		else
+		{
+			if (states[counter].number == 0)
+			{
+				++states[counter].number;
+				goto dontmatch;
+			}
+			if (states[counter].number >= info->every)
+				states[counter].number = 0;
+			else
+				++states[counter].number;
+			goto match;
+		}
+        }
+        else
+        {
+		/* We're using the --packet, so there must be a rule for every value */
+		if (states[counter].number == info->packet)
+		{
+			/* only increment the counter when a match happens */
+			if (states[counter].number >= info->every)
+				states[counter].number = 0; /* reset the counter */
+			else
+				++states[counter].number;
+			goto match;
+		}
+		else
+			goto dontmatch;
+	}
+
+ dontmatch:
+	/* don't match */
+	spin_unlock(&states[counter].lock);
+	return 0;
+
+ match:
+	spin_unlock(&states[counter].lock);
+	return 1;
+}
+
+static int
+ip6t_nth_checkentry(const char *tablename,
+		   const struct ip6t_ip6 *e,
+		   void *matchinfo,
+		   unsigned int matchsize,
+		   unsigned int hook_mask)
+{
+	/* Parameters from userspace */
+	const struct ip6t_nth_info *info = matchinfo;
+        unsigned counter = info->counter;
+        if((counter < 0) || (counter >= IP6T_NTH_NUM_COUNTERS)) 
+	{
+		printk(KERN_WARNING "nth: invalid counter %u. counter between 0 and %u\n", counter, IP6T_NTH_NUM_COUNTERS-1);
+               	return 0;
+       	};
+
+	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_nth_info))) {
+		printk("nth: matchsize %u != %zu\n", matchsize,
+		       IP6T_ALIGN(sizeof(struct ip6t_nth_info)));
+		return 0;
+	}
+
+	states[counter].number = info->startat;
+
+	return 1;
+}
+
+static struct ip6t_match ip6t_nth_reg = { 
+	{NULL, NULL},
+	"nth",
+	ip6t_nth_match,
+	ip6t_nth_checkentry,
+	NULL,
+	THIS_MODULE };
+
+static int __init init(void)
+{
+	unsigned counter;
+        memset(&states, 0, sizeof(states));
+	if (ip6t_register_match(&ip6t_nth_reg))
+		return -EINVAL;
+
+        for(counter = 0; counter < IP6T_NTH_NUM_COUNTERS; counter++) 
+	{
+		spin_lock_init(&(states[counter].lock));
+        };
+
+	printk("ip6t_nth match loaded\n");
+	return 0;
+}
+
+static void __exit fini(void)
+{
+	ip6t_unregister_match(&ip6t_nth_reg);
+	printk("ip6t_nth match unloaded\n");
+}
+
+module_init(init);
+module_exit(fini);

Added: netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_policy.c
==============================================================================
--- (empty file)
+++ netfilter-2.6/patch-o-matic-ng/trunk/net/ipv6/netfilter/ip6t_policy.c	Thu Jul 28 10:51:51 2005
@@ -0,0 +1,200 @@
+/* IP tables module for matching IPsec policy
+ *
+ * Copyright (c) 2004 Patrick McHardy, <kaber at trash.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/init.h>
+#include <net/xfrm.h>
+
+#include <linux/netfilter_ipv6.h>
+#include <linux/netfilter_ipv6/ip6t_policy.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber at trash.net>");
+MODULE_DESCRIPTION("IPtables IPsec policy matching module");
+MODULE_LICENSE("GPL");
+
+
+static inline int ip6_masked_addrcmp(struct in6_addr addr1,
+                                     struct in6_addr mask,
+                                     struct in6_addr addr2)
+{
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		if ((addr1.s6_addr[i] & mask.s6_addr[i]) !=
+		    (addr2.s6_addr[i] & mask.s6_addr[i]))
+			return 1;
+	}
+	return 0;
+}
+
+
+static inline int
+match_xfrm_state(struct xfrm_state *x, const struct ip6t_policy_elem *e)
+{
+#define MISMATCH(x,y)	(e->match.x && ((e->x != (y)) ^ e->invert.x))
+	
+	struct in6_addr xfrm_saddr, xfrm_daddr;
+	
+	if ((e->match.saddr
+	     && (ip6_masked_addrcmp(xfrm_saddr, e->saddr, e->smask))
+	        ^ e->invert.saddr ) ||
+	    (e->match.daddr
+	     && (ip6_masked_addrcmp(xfrm_daddr, e->daddr, e->dmask))
+	        ^ e->invert.daddr ) ||
+	    MISMATCH(proto, x->id.proto) ||
+	    MISMATCH(mode, x->props.mode) ||
+	    MISMATCH(spi, x->id.spi) ||
+	    MISMATCH(reqid, x->props.reqid))
+		return 0;
+	return 1;
+}
+
+static int
+match_policy_in(const struct sk_buff *skb, const struct ip6t_policy_info *info)
+{
+	const struct ip6t_policy_elem *e;
+	struct sec_path *sp = skb->sp;
+	int strict = info->flags & POLICY_MATCH_STRICT;
+	int i, pos;
+
+	if (sp == NULL)
+		return -1;
+	if (strict && info->len != sp->len)
+		return 0;
+
+	for (i = sp->len - 1; i >= 0; i--) {
+		pos = strict ? i - sp->len + 1 : 0;
+		if (pos >= info->len)
+			return 0;
+		e = &info->pol[pos];
+
+		if (match_xfrm_state(sp->x[i].xvec, e)) {
+			if (!strict)
+				return 1;
+		} else if (strict)
+			return 0;
+	}
+
+	return strict ? 1 : 0;
+}
+
+static int
+match_policy_out(const struct sk_buff *skb, const struct ip6t_policy_info *info)
+{
+	const struct ip6t_policy_elem *e;
+	struct dst_entry *dst = skb->dst;
+	int strict = info->flags & POLICY_MATCH_STRICT;
+	int i, pos;
+
+	if (dst->xfrm == NULL)
+		return -1;
+
+	for (i = 0; dst && dst->xfrm; dst = dst->child, i++) {
+		pos = strict ? i : 0;
+		if (pos >= info->len)
+			return 0;
+		e = &info->pol[pos];
+
+		if (match_xfrm_state(dst->xfrm, e)) {
+			if (!strict)
+				return 1;
+		} else if (strict)
+			return 0;
+	}
+
+	return strict ? 1 : 0;
+}
+
+static int match(const struct sk_buff *skb,
+                 const struct net_device *in,
+                 const struct net_device *out,
+                 const void *matchinfo,
+		 int offset,
+		 unsigned int protoff,
+		 int *hotdrop)
+{
+	const struct ip6t_policy_info *info = matchinfo;
+	int ret;
+
+	if (info->flags & POLICY_MATCH_IN)
+		ret = match_policy_in(skb, info);
+	else
+		ret = match_policy_out(skb, info);
+
+	if (ret < 0) {
+		if (info->flags & POLICY_MATCH_NONE)
+			ret = 1;
+		else
+			ret = 0;
+	} else if (info->flags & POLICY_MATCH_NONE)
+		ret = 0;
+
+	return ret;
+}
+
+static int checkentry(const char *tablename, const struct ip6t_ip6 *ip,
+                      void *matchinfo, unsigned int matchsize,
+                      unsigned int hook_mask)
+{
+	struct ip6t_policy_info *info = matchinfo;
+
+	if (matchsize != IP6T_ALIGN(sizeof(*info))) {
+		printk(KERN_ERR "ip6t_policy: matchsize %u != %zu\n",
+		       matchsize, IP6T_ALIGN(sizeof(*info)));
+		return 0;
+	}
+	if (!(info->flags & (POLICY_MATCH_IN|POLICY_MATCH_OUT))) {
+		printk(KERN_ERR "ip6t_policy: neither incoming nor "
+		                "outgoing policy selected\n");
+		return 0;
+	}
+	if (hook_mask & (1 << NF_IP6_PRE_ROUTING | 1 << NF_IP6_LOCAL_IN)
+	    && info->flags & POLICY_MATCH_OUT) {
+		printk(KERN_ERR "ip6t_policy: output policy not valid in "
+		                "PRE_ROUTING and INPUT\n");
+		return 0;
+	}
+	if (hook_mask & (1 << NF_IP6_POST_ROUTING | 1 << NF_IP6_LOCAL_OUT)
+	    && info->flags & POLICY_MATCH_IN) {
+		printk(KERN_ERR "ip6t_policy: input policy not valid in "
+		                "POST_ROUTING and OUTPUT\n");
+		return 0;
+	}
+	if (info->len > POLICY_MAX_ELEM) {
+		printk(KERN_ERR "ip6t_policy: too many policy elements\n");
+		return 0;
+	}
+
+	return 1;
+}
+
+static struct ip6t_match policy_match =
+{
+	.name		= "policy",
+	.match		= match,
+	.checkentry 	= checkentry,
+	.me		= THIS_MODULE,
+};
+
+static int __init init(void)
+{
+	return ip6t_register_match(&policy_match);
+}
+
+static void __exit fini(void)
+{
+	ip6t_unregister_match(&policy_match);
+}
+
+module_init(init);
+module_exit(fini);

Modified: netfilter-2.6/patch-o-matic-ng/trunk/status
==============================================================================
--- netfilter-2.6/patch-o-matic-ng/trunk/status	(original)
+++ netfilter-2.6/patch-o-matic-ng/trunk/status	Thu Jul 28 10:51:51 2005
@@ -25,9 +25,9 @@
 NETMAP					updated
 nf_conntrack		2005/07/27	updated
 nfnetlink				added
-nth					added
-osf					added
-policy					added
+nth			2005/07/27	added
+osf			2005/07/27	added
+policy			2005/07/27	added
 pptp-conntrack-nat	2005/07/27	added		fix build warnings
 psd					added
 quota					added
@@ -37,10 +37,10 @@
 ROUTE					added		(ipv6 / not working as a module)
 SAME					updated
 sctp					updated
-set					added
+set			2005/07/27	added
 string					added
 TARPIT					added
-time					added
+time			2005/07/27	added
 TTL					added
 u32					added+updated
 ULOG					updated



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