#ifndef _IPTABLES_H
#define _IPTABLES_H
-#ifdef __KERNEL__
-#include <linux/if.h>
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/skbuff.h>
-#endif
#include <linux/types.h>
-#include <linux/compiler.h>
+
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter/x_tables.h>
#define ipt_target xt_target
#define ipt_table xt_table
#define ipt_get_revision xt_get_revision
+#define ipt_entry_match xt_entry_match
+#define ipt_entry_target xt_entry_target
+#define ipt_standard_target xt_standard_target
+#define ipt_error_target xt_error_target
+#define ipt_counters xt_counters
+#define IPT_CONTINUE XT_CONTINUE
+#define IPT_RETURN XT_RETURN
+
+/* This group is older than old (iptables < v1.4.0-rc1~89) */
+#include <linux/netfilter/xt_tcpudp.h>
+#define ipt_udp xt_udp
+#define ipt_tcp xt_tcp
+#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
+#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
+#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
+#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
+#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
+#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
+#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
+#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
+
+/* The argument to IPT_SO_ADD_COUNTERS. */
+#define ipt_counters_info xt_counters_info
+/* Standard return verdict, or do jump. */
+#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
+/* Error verdict. */
+#define IPT_ERROR_TARGET XT_ERROR_TARGET
+
+/* fn returns 0 to continue iteration */
+#define IPT_MATCH_ITERATE(e, fn, args...) \
+ XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
+
+/* fn returns 0 to continue iteration */
+#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
+ XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
/* Yes, Virginia, you have to zero the padding. */
struct ipt_ip {
unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];
/* Protocol, 0 = ANY */
- u_int16_t proto;
+ __u16 proto;
/* Flags word */
- u_int8_t flags;
+ __u8 flags;
/* Inverse flags */
- u_int8_t invflags;
+ __u8 invflags;
};
-#define ipt_entry_match xt_entry_match
-#define ipt_entry_target xt_entry_target
-#define ipt_standard_target xt_standard_target
-
-#define ipt_counters xt_counters
-
/* Values for "flag" field in struct ipt_ip (general ip structure). */
#define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */
#define IPT_F_GOTO 0x02 /* Set if jump is a goto */
/* This structure defines each of the firewall rules. Consists of 3
parts which are 1) general IP header stuff 2) match specific
stuff 3) the target to perform if the rule matches */
-struct ipt_entry
-{
+struct ipt_entry {
struct ipt_ip ip;
/* Mark with fields that we care about. */
unsigned int nfcache;
/* Size of ipt_entry + matches */
- u_int16_t target_offset;
+ __u16 target_offset;
/* Size of ipt_entry + matches + target */
- u_int16_t next_offset;
+ __u16 next_offset;
/* Back pointer */
unsigned int comefrom;
#define IPT_SO_GET_REVISION_TARGET (IPT_BASE_CTL + 3)
#define IPT_SO_GET_MAX IPT_SO_GET_REVISION_TARGET
-#define IPT_CONTINUE XT_CONTINUE
-#define IPT_RETURN XT_RETURN
-
-#include <linux/netfilter/xt_tcpudp.h>
-#define ipt_udp xt_udp
-#define ipt_tcp xt_tcp
-
-#define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT
-#define IPT_TCP_INV_DSTPT XT_TCP_INV_DSTPT
-#define IPT_TCP_INV_FLAGS XT_TCP_INV_FLAGS
-#define IPT_TCP_INV_OPTION XT_TCP_INV_OPTION
-#define IPT_TCP_INV_MASK XT_TCP_INV_MASK
-
-#define IPT_UDP_INV_SRCPT XT_UDP_INV_SRCPT
-#define IPT_UDP_INV_DSTPT XT_UDP_INV_DSTPT
-#define IPT_UDP_INV_MASK XT_UDP_INV_MASK
-
/* ICMP matching stuff */
-struct ipt_icmp
-{
- u_int8_t type; /* type to match */
- u_int8_t code[2]; /* range of code */
- u_int8_t invflags; /* Inverse flags */
+struct ipt_icmp {
+ __u8 type; /* type to match */
+ __u8 code[2]; /* range of code */
+ __u8 invflags; /* Inverse flags */
};
/* Values for "inv" field for struct ipt_icmp. */
#define IPT_ICMP_INV 0x01 /* Invert the sense of type/code test */
/* The argument to IPT_SO_GET_INFO */
-struct ipt_getinfo
-{
+struct ipt_getinfo {
/* Which table: caller fills this in. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* Kernel fills these in. */
/* Which hook entry points are valid: bitmask */
};
/* The argument to IPT_SO_SET_REPLACE. */
-struct ipt_replace
-{
+struct ipt_replace {
/* Which table. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* Which hook entry points are valid: bitmask. You can't
change this. */
/* Number of counters (must be equal to current number of entries). */
unsigned int num_counters;
/* The old entries' counters. */
- struct xt_counters __user *counters;
+ struct xt_counters *counters;
/* The entries (hang off end: not really an array). */
struct ipt_entry entries[0];
};
-/* The argument to IPT_SO_ADD_COUNTERS. */
-#define ipt_counters_info xt_counters_info
-
/* The argument to IPT_SO_GET_ENTRIES. */
-struct ipt_get_entries
-{
+struct ipt_get_entries {
/* Which table: user fills this in. */
- char name[IPT_TABLE_MAXNAMELEN];
+ char name[XT_TABLE_MAXNAMELEN];
/* User fills this in: total entry size. */
unsigned int size;
struct ipt_entry entrytable[0];
};
-/* Standard return verdict, or do jump. */
-#define IPT_STANDARD_TARGET XT_STANDARD_TARGET
-/* Error verdict. */
-#define IPT_ERROR_TARGET XT_ERROR_TARGET
-
/* Helper functions */
-static __inline__ struct ipt_entry_target *
+static __inline__ struct xt_entry_target *
ipt_get_target(struct ipt_entry *e)
{
return (void *)e + e->target_offset;
}
-/* fn returns 0 to continue iteration */
-#define IPT_MATCH_ITERATE(e, fn, args...) \
- XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
-
-/* fn returns 0 to continue iteration */
-#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
- XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
-
/*
* Main firewall chains definitions and global var's definitions.
*/
-#ifdef __KERNEL__
-
-#include <linux/init.h>
-extern void ipt_init(void) __init;
-
-extern struct xt_table *ipt_register_table(struct net *net,
- struct xt_table *table,
- const struct ipt_replace *repl);
-extern void ipt_unregister_table(struct xt_table *table);
-
-/* Standard entry. */
-struct ipt_standard
-{
- struct ipt_entry entry;
- struct ipt_standard_target target;
-};
-
-struct ipt_error_target
-{
- struct ipt_entry_target target;
- char errorname[IPT_FUNCTION_MAXNAMELEN];
-};
-
-struct ipt_error
-{
- struct ipt_entry entry;
- struct ipt_error_target target;
-};
-
-#define IPT_ENTRY_INIT(__size) \
-{ \
- .target_offset = sizeof(struct ipt_entry), \
- .next_offset = (__size), \
-}
-
-#define IPT_STANDARD_INIT(__verdict) \
-{ \
- .entry = IPT_ENTRY_INIT(sizeof(struct ipt_standard)), \
- .target = XT_TARGET_INIT(IPT_STANDARD_TARGET, \
- sizeof(struct xt_standard_target)), \
- .target.verdict = -(__verdict) - 1, \
-}
-
-#define IPT_ERROR_INIT \
-{ \
- .entry = IPT_ENTRY_INIT(sizeof(struct ipt_error)), \
- .target = XT_TARGET_INIT(IPT_ERROR_TARGET, \
- sizeof(struct ipt_error_target)), \
- .target.errorname = "ERROR", \
-}
-
-extern unsigned int ipt_do_table(struct sk_buff *skb,
- unsigned int hook,
- const struct net_device *in,
- const struct net_device *out,
- struct xt_table *table);
-
-#define IPT_ALIGN(s) XT_ALIGN(s)
-
-#ifdef CONFIG_COMPAT
-#include <net/compat.h>
-
-struct compat_ipt_entry
-{
- struct ipt_ip ip;
- compat_uint_t nfcache;
- u_int16_t target_offset;
- u_int16_t next_offset;
- compat_uint_t comefrom;
- struct compat_xt_counters counters;
- unsigned char elems[0];
-};
-
-/* Helper functions */
-static inline struct ipt_entry_target *
-compat_ipt_get_target(struct compat_ipt_entry *e)
-{
- return (void *)e + e->target_offset;
-}
-
-#define COMPAT_IPT_ALIGN(s) COMPAT_XT_ALIGN(s)
-
-/* fn returns 0 to continue iteration */
-#define COMPAT_IPT_MATCH_ITERATE(e, fn, args...) \
- XT_MATCH_ITERATE(struct compat_ipt_entry, e, fn, ## args)
-
-/* fn returns 0 to continue iteration */
-#define COMPAT_IPT_ENTRY_ITERATE(entries, size, fn, args...) \
- XT_ENTRY_ITERATE(struct compat_ipt_entry, entries, size, fn, ## args)
-
-/* fn returns 0 to continue iteration */
-#define COMPAT_IPT_ENTRY_ITERATE_CONTINUE(entries, size, n, fn, args...) \
- XT_ENTRY_ITERATE_CONTINUE(struct compat_ipt_entry, entries, size, n, \
- fn, ## args)
-
-#endif /* CONFIG_COMPAT */
-#endif /*__KERNEL__*/
#endif /* _IPTABLES_H */
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