http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/netfilter/x_tables.h

#ifndef _X_TABLES_H #define _X_TABLES_H #define XT_FUNCTION_MAXNAMELEN 30 #define XT_TABLE_MAXNAMELEN 32 /* The argument to IPT_SO_GET_REVISION_*. Returns highest revision * kernel supports, if >= revision. */ struct xt_get_revision { char name[XT_FUNCTION_MAXNAMELEN-1]; u_int8_t revision; }; /* CONTINUE verdict for targets */ #define XT_CONTINUE 0xFFFFFFFF /* For standard target */ #define XT_RETURN (-NF_REPEAT - 1) /* this is a dummy structure to find out the alignment requirement for a struct * containing all the fundamental data types that are used in ipt_entry, * ip6t_entry and arpt_entry. This sucks, and it is a hack. It will be my * personal pleasure to remove it -HW */ struct _xt_align { u_int8_t u8; u_int16_t u16; u_int32_t u32; u_int64_t u64; }; #define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) \ & ~(__alignof__(struct _xt_align)-1)) /* Standard return verdict, or do jump. */ #define XT_STANDARD_TARGET "" /* Error verdict. */ #define XT_ERROR_TARGET "ERROR" /* * New IP firewall options for [gs]etsockopt at the RAW IP level. * Unlike BSD Linux inherits IP options so you don't have to use a raw * socket for this. Instead we check rights in the calls. */ #define XT_BASE_CTL 64 /* base for firewall socket options */ #define XT_SO_SET_REPLACE (XT_BASE_CTL) #define XT_SO_SET_ADD_COUNTERS (XT_BASE_CTL + 1) #define XT_SO_SET_MAX XT_SO_SET_ADD_COUNTERS #define XT_SO_GET_INFO (XT_BASE_CTL) #define XT_SO_GET_ENTRIES (XT_BASE_CTL + 1) #define XT_SO_GET_REVISION_MATCH (XT_BASE_CTL + 2) #define XT_SO_GET_REVISION_TARGET (XT_BASE_CTL + 3) #define XT_SO_GET_MAX XT_SO_GET_REVISION_TARGET #define SET_COUNTER(c,b,p) do { (c).bcnt = (b); (c).pcnt = (p); } while(0) #define ADD_COUNTER(c,b,p) do { (c).bcnt += (b); (c).pcnt += (p); } while(0) struct xt_counters { u_int64_t pcnt, bcnt; /* Packet and byte counters */ }; /* The argument to IPT_SO_ADD_COUNTERS. */ struct xt_counters_info { /* Which table. */ char name[XT_TABLE_MAXNAMELEN]; unsigned int num_counters; /* The counters (actually `number' of these). */ struct xt_counters counters[0]; }; #define XT_INV_PROTO 0x40 /* Invert the sense of PROTO. */ #ifdef __KERNEL__ #include <linux/netdevice.h> #define ASSERT_READ_LOCK(x) #define ASSERT_WRITE_LOCK(x) #include <linux/netfilter_ipv4/listhelp.h> struct xt_match { struct list_head list; const char name[XT_FUNCTION_MAXNAMELEN-1]; u_int8_t revision; /* Return true or false: return FALSE and set *hotdrop = 1 to force immediate packet drop. */ /* Arguments changed since 2.6.9, as this must now handle non-linear skb, using skb_header_pointer and skb_ip_make_writable. */ 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); /* Called when user tries to insert an entry of this type. */ /* Should return true or false. */ int (*checkentry)(const char *tablename, const void *ip, void *matchinfo, unsigned int matchinfosize, unsigned int hook_mask); /* Called when entry of this type deleted. */ void (*destroy)(void *matchinfo, unsigned int matchinfosize); /* Set this to THIS_MODULE if you are a module, otherwise NULL */ struct module *me; }; /* Registration hooks for targets. */ struct xt_target { struct list_head list; const char name[XT_FUNCTION_MAXNAMELEN-1]; u_int8_t revision; /* Returns verdict. Argument order changed since 2.6.9, as this must now handle non-linear skbs, using skb_copy_bits and skb_ip_make_writable. */ unsigned int (*target)(struct sk_buff **pskb, const struct net_device *in, const struct net_device *out, unsigned int hooknum, const void *targinfo, void *userdata); /* Called when user tries to insert an entry of this type: hook_mask is a bitmask of hooks from which it can be called. */ /* Should return true or false. */ int (*checkentry)(const char *tablename, const void *entry, void *targinfo, unsigned int targinfosize, unsigned int hook_mask); /* Called when entry of this type deleted. */ void (*destroy)(void *targinfo, unsigned int targinfosize); /* Set this to THIS_MODULE if you are a module, otherwise NULL */ struct module *me; }; /* Furniture shopping... */ struct xt_table { struct list_head list; /* A unique name... */ char name[XT_TABLE_MAXNAMELEN]; /* What hooks you will enter on */ unsigned int valid_hooks; /* Lock for the curtain */ rwlock_t lock; /* Man behind the curtain... */ //struct ip6t_table_info *private; void *private; /* Set this to THIS_MODULE if you are a module, otherwise NULL */ struct module *me; int af; /* address/protocol family */ }; #include <linux/netfilter_ipv4.h> /* The table itself */ struct xt_table_info { /* Size per table */ unsigned int size; /* Number of entries: FIXME. --RR */ unsigned int number; /* Initial number of entries. Needed for module usage count */ unsigned int initial_entries; /* Entry points and underflows */ unsigned int hook_entry[NF_IP_NUMHOOKS]; unsigned int underflow[NF_IP_NUMHOOKS]; /* ipt_entry tables: one per CPU */ char *entries[NR_CPUS]; }; extern int xt_register_target(int af, struct xt_target *target); extern void xt_unregister_target(int af, struct xt_target *target); extern int xt_register_match(int af, struct xt_match *target); extern void xt_unregister_match(int af, struct xt_match *target); extern int xt_register_table(struct xt_table *table, struct xt_table_info *bootstrap, struct xt_table_info *newinfo); extern void *xt_unregister_table(struct xt_table *table); extern struct xt_table_info *xt_replace_table(struct xt_table *table, unsigned int num_counters, struct xt_table_info *newinfo, int *error); extern struct xt_match *xt_find_match(int af, const char *name, u8 revision); extern struct xt_target *xt_find_target(int af, const char *name, u8 revision); extern struct xt_target *xt_request_find_target(int af, const char *name, u8 revision); extern int xt_find_revision(int af, const char *name, u8 revision, int target, int *err); extern struct xt_table *xt_find_table_lock(int af, const char *name); extern void xt_table_unlock(struct xt_table *t); extern int xt_proto_init(int af); extern void xt_proto_fini(int af); extern struct xt_table_info *xt_alloc_table_info(unsigned int size); extern void xt_free_table_info(struct xt_table_info *info); #endif /* __KERNEL__ */ #endif /* _X_TABLES_H */