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@@ -11,268 +11,17 @@
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* flags are stored in host byte order (of course).
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* Port numbers are stored in HOST byte order.
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*/
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-
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#ifndef _IP6_TABLES_H
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#define _IP6_TABLES_H
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-#ifdef __KERNEL__
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#include <linux/if.h>
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#include <linux/in6.h>
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#include <linux/ipv6.h>
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#include <linux/skbuff.h>
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-#endif
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-#include <linux/types.h>
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-#include <linux/compiler.h>
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-#include <linux/netfilter_ipv6.h>
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-
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-#include <linux/netfilter/x_tables.h>
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-
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-#ifndef __KERNEL__
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-#define IP6T_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN
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-#define IP6T_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN
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-#define ip6t_match xt_match
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-#define ip6t_target xt_target
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-#define ip6t_table xt_table
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-#define ip6t_get_revision xt_get_revision
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-#define ip6t_entry_match xt_entry_match
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-#define ip6t_entry_target xt_entry_target
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-#define ip6t_standard_target xt_standard_target
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-#define ip6t_error_target xt_error_target
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-#define ip6t_counters xt_counters
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-#define IP6T_CONTINUE XT_CONTINUE
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-#define IP6T_RETURN XT_RETURN
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-
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-/* Pre-iptables-1.4.0 */
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-#include <linux/netfilter/xt_tcpudp.h>
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-#define ip6t_tcp xt_tcp
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-#define ip6t_udp xt_udp
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-#define IP6T_TCP_INV_SRCPT XT_TCP_INV_SRCPT
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-#define IP6T_TCP_INV_DSTPT XT_TCP_INV_DSTPT
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-#define IP6T_TCP_INV_FLAGS XT_TCP_INV_FLAGS
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-#define IP6T_TCP_INV_OPTION XT_TCP_INV_OPTION
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-#define IP6T_TCP_INV_MASK XT_TCP_INV_MASK
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-#define IP6T_UDP_INV_SRCPT XT_UDP_INV_SRCPT
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-#define IP6T_UDP_INV_DSTPT XT_UDP_INV_DSTPT
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-#define IP6T_UDP_INV_MASK XT_UDP_INV_MASK
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-
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-#define ip6t_counters_info xt_counters_info
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-#define IP6T_STANDARD_TARGET XT_STANDARD_TARGET
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-#define IP6T_ERROR_TARGET XT_ERROR_TARGET
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-#define IP6T_MATCH_ITERATE(e, fn, args...) \
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- XT_MATCH_ITERATE(struct ip6t_entry, e, fn, ## args)
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-#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) \
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- XT_ENTRY_ITERATE(struct ip6t_entry, entries, size, fn, ## args)
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-#endif
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-
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-/* Yes, Virginia, you have to zero the padding. */
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-struct ip6t_ip6 {
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- /* Source and destination IP6 addr */
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- struct in6_addr src, dst;
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- /* Mask for src and dest IP6 addr */
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- struct in6_addr smsk, dmsk;
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- char iniface[IFNAMSIZ], outiface[IFNAMSIZ];
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- unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ];
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-
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- /* Upper protocol number
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- * - The allowed value is 0 (any) or protocol number of last parsable
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- * header, which is 50 (ESP), 59 (No Next Header), 135 (MH), or
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- * the non IPv6 extension headers.
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- * - The protocol numbers of IPv6 extension headers except of ESP and
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- * MH do not match any packets.
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- * - You also need to set IP6T_FLAGS_PROTO to "flags" to check protocol.
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- */
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- __u16 proto;
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- /* TOS to match iff flags & IP6T_F_TOS */
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- __u8 tos;
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-
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- /* Flags word */
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- __u8 flags;
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- /* Inverse flags */
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- __u8 invflags;
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-};
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-
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-/* Values for "flag" field in struct ip6t_ip6 (general ip6 structure). */
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-#define IP6T_F_PROTO 0x01 /* Set if rule cares about upper
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- protocols */
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-#define IP6T_F_TOS 0x02 /* Match the TOS. */
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-#define IP6T_F_GOTO 0x04 /* Set if jump is a goto */
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-#define IP6T_F_MASK 0x07 /* All possible flag bits mask. */
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-
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-/* Values for "inv" field in struct ip6t_ip6. */
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-#define IP6T_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */
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-#define IP6T_INV_VIA_OUT 0x02 /* Invert the sense of OUT IFACE */
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-#define IP6T_INV_TOS 0x04 /* Invert the sense of TOS. */
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-#define IP6T_INV_SRCIP 0x08 /* Invert the sense of SRC IP. */
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-#define IP6T_INV_DSTIP 0x10 /* Invert the sense of DST OP. */
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-#define IP6T_INV_FRAG 0x20 /* Invert the sense of FRAG. */
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-#define IP6T_INV_PROTO XT_INV_PROTO
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-#define IP6T_INV_MASK 0x7F /* All possible flag bits mask. */
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-
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-/* This structure defines each of the firewall rules. Consists of 3
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- parts which are 1) general IP header stuff 2) match specific
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- stuff 3) the target to perform if the rule matches */
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-struct ip6t_entry {
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- struct ip6t_ip6 ipv6;
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-
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- /* Mark with fields that we care about. */
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- unsigned int nfcache;
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-
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- /* Size of ipt_entry + matches */
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- __u16 target_offset;
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- /* Size of ipt_entry + matches + target */
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- __u16 next_offset;
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-
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- /* Back pointer */
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- unsigned int comefrom;
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-
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- /* Packet and byte counters. */
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- struct xt_counters counters;
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-
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- /* The matches (if any), then the target. */
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- unsigned char elems[0];
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-};
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-
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-/* Standard entry */
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-struct ip6t_standard {
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- struct ip6t_entry entry;
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- struct xt_standard_target target;
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-};
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-
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-struct ip6t_error {
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- struct ip6t_entry entry;
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- struct xt_error_target target;
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-};
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-
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-#define IP6T_ENTRY_INIT(__size) \
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-{ \
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- .target_offset = sizeof(struct ip6t_entry), \
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- .next_offset = (__size), \
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-}
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-
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-#define IP6T_STANDARD_INIT(__verdict) \
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-{ \
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- .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_standard)), \
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- .target = XT_TARGET_INIT(XT_STANDARD_TARGET, \
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- sizeof(struct xt_standard_target)), \
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- .target.verdict = -(__verdict) - 1, \
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-}
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-
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-#define IP6T_ERROR_INIT \
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-{ \
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- .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_error)), \
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- .target = XT_TARGET_INIT(XT_ERROR_TARGET, \
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- sizeof(struct xt_error_target)), \
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- .target.errorname = "ERROR", \
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-}
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-
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-/*
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- * New IP firewall options for [gs]etsockopt at the RAW IP level.
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- * Unlike BSD Linux inherits IP options so you don't have to use
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- * a raw socket for this. Instead we check rights in the calls.
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- *
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- * ATTENTION: check linux/in6.h before adding new number here.
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- */
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-#define IP6T_BASE_CTL 64
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-
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-#define IP6T_SO_SET_REPLACE (IP6T_BASE_CTL)
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-#define IP6T_SO_SET_ADD_COUNTERS (IP6T_BASE_CTL + 1)
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-#define IP6T_SO_SET_MAX IP6T_SO_SET_ADD_COUNTERS
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-
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-#define IP6T_SO_GET_INFO (IP6T_BASE_CTL)
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-#define IP6T_SO_GET_ENTRIES (IP6T_BASE_CTL + 1)
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-#define IP6T_SO_GET_REVISION_MATCH (IP6T_BASE_CTL + 4)
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-#define IP6T_SO_GET_REVISION_TARGET (IP6T_BASE_CTL + 5)
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-#define IP6T_SO_GET_MAX IP6T_SO_GET_REVISION_TARGET
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-
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-/* ICMP matching stuff */
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-struct ip6t_icmp {
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- __u8 type; /* type to match */
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- __u8 code[2]; /* range of code */
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- __u8 invflags; /* Inverse flags */
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-};
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-
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-/* Values for "inv" field for struct ipt_icmp. */
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-#define IP6T_ICMP_INV 0x01 /* Invert the sense of type/code test */
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-
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-/* The argument to IP6T_SO_GET_INFO */
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-struct ip6t_getinfo {
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- /* Which table: caller fills this in. */
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- char name[XT_TABLE_MAXNAMELEN];
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-
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- /* Kernel fills these in. */
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- /* Which hook entry points are valid: bitmask */
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- unsigned int valid_hooks;
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-
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- /* Hook entry points: one per netfilter hook. */
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- unsigned int hook_entry[NF_INET_NUMHOOKS];
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-
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- /* Underflow points. */
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- unsigned int underflow[NF_INET_NUMHOOKS];
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-
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- /* Number of entries */
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- unsigned int num_entries;
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-
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- /* Size of entries. */
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- unsigned int size;
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-};
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-
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-/* The argument to IP6T_SO_SET_REPLACE. */
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-struct ip6t_replace {
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- /* Which table. */
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- char name[XT_TABLE_MAXNAMELEN];
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-
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- /* Which hook entry points are valid: bitmask. You can't
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- change this. */
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- unsigned int valid_hooks;
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-
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- /* Number of entries */
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- unsigned int num_entries;
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-
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- /* Total size of new entries */
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- unsigned int size;
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-
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- /* Hook entry points. */
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- unsigned int hook_entry[NF_INET_NUMHOOKS];
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-
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- /* Underflow points. */
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- unsigned int underflow[NF_INET_NUMHOOKS];
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-
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- /* Information about old entries: */
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- /* Number of counters (must be equal to current number of entries). */
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- unsigned int num_counters;
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- /* The old entries' counters. */
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- struct xt_counters __user *counters;
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-
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- /* The entries (hang off end: not really an array). */
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- struct ip6t_entry entries[0];
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-};
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-
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-/* The argument to IP6T_SO_GET_ENTRIES. */
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-struct ip6t_get_entries {
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- /* Which table: user fills this in. */
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- char name[XT_TABLE_MAXNAMELEN];
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-
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- /* User fills this in: total entry size. */
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- unsigned int size;
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-
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- /* The entries. */
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- struct ip6t_entry entrytable[0];
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-};
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-
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-/* Helper functions */
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-static __inline__ struct xt_entry_target *
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-ip6t_get_target(struct ip6t_entry *e)
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-{
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- return (void *)e + e->target_offset;
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-}
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-
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-/*
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- * Main firewall chains definitions and global var's definitions.
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- */
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-
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-#ifdef __KERNEL__
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#include <linux/init.h>
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+#include <uapi/linux/netfilter_ipv6/ip6_tables.h>
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+
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extern void ip6t_init(void) __init;
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extern void *ip6t_alloc_initial_table(const struct xt_table *);
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@@ -327,5 +76,4 @@ compat_ip6t_get_target(struct compat_ip6t_entry *e)
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}
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#endif /* CONFIG_COMPAT */
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-#endif /*__KERNEL__*/
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#endif /* _IP6_TABLES_H */
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