diff options
Diffstat (limited to 'include/linux/netfilter_ipv4')
-rw-r--r-- | include/linux/netfilter_ipv4/ip_tables.h | 107 |
1 files changed, 47 insertions, 60 deletions
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h index 704a7b6..64a5d95 100644 --- a/include/linux/netfilter_ipv4/ip_tables.h +++ b/include/linux/netfilter_ipv4/ip_tables.h @@ -27,12 +27,49 @@ #include <linux/netfilter/x_tables.h> +#ifndef __KERNEL__ #define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN #define IPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN #define ipt_match xt_match #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) +#endif /* Yes, Virginia, you have to zero the padding. */ struct ipt_ip { @@ -52,12 +89,6 @@ struct ipt_ip { u_int8_t 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 */ @@ -116,23 +147,6 @@ struct ipt_entry { #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 */ @@ -146,7 +160,7 @@ struct ipt_icmp { /* The argument to IPT_SO_GET_INFO */ 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 */ @@ -168,7 +182,7 @@ struct ipt_getinfo { /* The argument to IPT_SO_SET_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. */ @@ -196,13 +210,10 @@ struct ipt_replace { 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 { /* 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; @@ -211,28 +222,13 @@ struct ipt_get_entries { 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; } -#ifndef __KERNEL__ -/* 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) -#endif - /* * Main firewall chains definitions and global var's definitions. */ @@ -249,17 +245,12 @@ extern void ipt_unregister_table(struct net *net, 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 xt_standard_target target; }; struct ipt_error { struct ipt_entry entry; - struct ipt_error_target target; + struct xt_error_target target; }; #define IPT_ENTRY_INIT(__size) \ @@ -271,7 +262,7 @@ struct ipt_error { #define IPT_STANDARD_INIT(__verdict) \ { \ .entry = IPT_ENTRY_INIT(sizeof(struct ipt_standard)), \ - .target = XT_TARGET_INIT(IPT_STANDARD_TARGET, \ + .target = XT_TARGET_INIT(XT_STANDARD_TARGET, \ sizeof(struct xt_standard_target)), \ .target.verdict = -(__verdict) - 1, \ } @@ -279,8 +270,8 @@ struct ipt_error { #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 = XT_TARGET_INIT(XT_ERROR_TARGET, \ + sizeof(struct xt_error_target)), \ .target.errorname = "ERROR", \ } @@ -291,8 +282,6 @@ extern unsigned int ipt_do_table(struct sk_buff *skb, const struct net_device *out, struct xt_table *table); -#define IPT_ALIGN(s) XT_ALIGN(s) - #ifdef CONFIG_COMPAT #include <net/compat.h> @@ -307,14 +296,12 @@ struct compat_ipt_entry { }; /* Helper functions */ -static inline struct ipt_entry_target * +static inline struct xt_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) - #endif /* CONFIG_COMPAT */ #endif /*__KERNEL__*/ #endif /* _IPTABLES_H */ |