diff options
Diffstat (limited to 'include/linux/netfilter_ipv6/ip6_tables.h')
| -rw-r--r-- | include/linux/netfilter_ipv6/ip6_tables.h | 256 |
1 files changed, 2 insertions, 254 deletions
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h index 08c2cbb..5f84c62 100644 --- a/include/linux/netfilter_ipv6/ip6_tables.h +++ b/include/linux/netfilter_ipv6/ip6_tables.h @@ -11,268 +11,17 @@ * flags are stored in host byte order (of course). * Port numbers are stored in HOST byte order. */ - #ifndef _IP6_TABLES_H #define _IP6_TABLES_H -#ifdef __KERNEL__ #include <linux/if.h> #include <linux/in6.h> #include <linux/ipv6.h> #include <linux/skbuff.h> -#endif -#include <linux/types.h> -#include <linux/compiler.h> -#include <linux/netfilter_ipv6.h> - -#include <linux/netfilter/x_tables.h> - -#ifndef __KERNEL__ -#define IP6T_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN -#define IP6T_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN -#define ip6t_match xt_match -#define ip6t_target xt_target -#define ip6t_table xt_table -#define ip6t_get_revision xt_get_revision -#define ip6t_entry_match xt_entry_match -#define ip6t_entry_target xt_entry_target -#define ip6t_standard_target xt_standard_target -#define ip6t_error_target xt_error_target -#define ip6t_counters xt_counters -#define IP6T_CONTINUE XT_CONTINUE -#define IP6T_RETURN XT_RETURN - -/* Pre-iptables-1.4.0 */ -#include <linux/netfilter/xt_tcpudp.h> -#define ip6t_tcp xt_tcp -#define ip6t_udp xt_udp -#define IP6T_TCP_INV_SRCPT XT_TCP_INV_SRCPT -#define IP6T_TCP_INV_DSTPT XT_TCP_INV_DSTPT -#define IP6T_TCP_INV_FLAGS XT_TCP_INV_FLAGS -#define IP6T_TCP_INV_OPTION XT_TCP_INV_OPTION -#define IP6T_TCP_INV_MASK XT_TCP_INV_MASK -#define IP6T_UDP_INV_SRCPT XT_UDP_INV_SRCPT -#define IP6T_UDP_INV_DSTPT XT_UDP_INV_DSTPT -#define IP6T_UDP_INV_MASK XT_UDP_INV_MASK - -#define ip6t_counters_info xt_counters_info -#define IP6T_STANDARD_TARGET XT_STANDARD_TARGET -#define IP6T_ERROR_TARGET XT_ERROR_TARGET -#define IP6T_MATCH_ITERATE(e, fn, args...) \ - XT_MATCH_ITERATE(struct ip6t_entry, e, fn, ## args) -#define IP6T_ENTRY_ITERATE(entries, size, fn, args...) \ - XT_ENTRY_ITERATE(struct ip6t_entry, entries, size, fn, ## args) -#endif - -/* Yes, Virginia, you have to zero the padding. */ -struct ip6t_ip6 { - /* Source and destination IP6 addr */ - struct in6_addr src, dst; - /* Mask for src and dest IP6 addr */ - struct in6_addr smsk, dmsk; - char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; - unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; - - /* Upper protocol number - * - The allowed value is 0 (any) or protocol number of last parsable - * header, which is 50 (ESP), 59 (No Next Header), 135 (MH), or - * the non IPv6 extension headers. - * - The protocol numbers of IPv6 extension headers except of ESP and - * MH do not match any packets. - * - You also need to set IP6T_FLAGS_PROTO to "flags" to check protocol. - */ - __u16 proto; - /* TOS to match iff flags & IP6T_F_TOS */ - __u8 tos; - - /* Flags word */ - __u8 flags; - /* Inverse flags */ - __u8 invflags; -}; - -/* Values for "flag" field in struct ip6t_ip6 (general ip6 structure). */ -#define IP6T_F_PROTO 0x01 /* Set if rule cares about upper - protocols */ -#define IP6T_F_TOS 0x02 /* Match the TOS. */ -#define IP6T_F_GOTO 0x04 /* Set if jump is a goto */ -#define IP6T_F_MASK 0x07 /* All possible flag bits mask. */ - -/* Values for "inv" field in struct ip6t_ip6. */ -#define IP6T_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */ -#define IP6T_INV_VIA_OUT 0x02 /* Invert the sense of OUT IFACE */ -#define IP6T_INV_TOS 0x04 /* Invert the sense of TOS. */ -#define IP6T_INV_SRCIP 0x08 /* Invert the sense of SRC IP. */ -#define IP6T_INV_DSTIP 0x10 /* Invert the sense of DST OP. */ -#define IP6T_INV_FRAG 0x20 /* Invert the sense of FRAG. */ -#define IP6T_INV_PROTO XT_INV_PROTO -#define IP6T_INV_MASK 0x7F /* All possible flag bits mask. */ - -/* 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 ip6t_entry { - struct ip6t_ip6 ipv6; - - /* Mark with fields that we care about. */ - unsigned int nfcache; - - /* Size of ipt_entry + matches */ - __u16 target_offset; - /* Size of ipt_entry + matches + target */ - __u16 next_offset; - - /* Back pointer */ - unsigned int comefrom; - - /* Packet and byte counters. */ - struct xt_counters counters; - - /* The matches (if any), then the target. */ - unsigned char elems[0]; -}; - -/* Standard entry */ -struct ip6t_standard { - struct ip6t_entry entry; - struct xt_standard_target target; -}; - -struct ip6t_error { - struct ip6t_entry entry; - struct xt_error_target target; -}; - -#define IP6T_ENTRY_INIT(__size) \ -{ \ - .target_offset = sizeof(struct ip6t_entry), \ - .next_offset = (__size), \ -} - -#define IP6T_STANDARD_INIT(__verdict) \ -{ \ - .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_standard)), \ - .target = XT_TARGET_INIT(XT_STANDARD_TARGET, \ - sizeof(struct xt_standard_target)), \ - .target.verdict = -(__verdict) - 1, \ -} - -#define IP6T_ERROR_INIT \ -{ \ - .entry = IP6T_ENTRY_INIT(sizeof(struct ip6t_error)), \ - .target = XT_TARGET_INIT(XT_ERROR_TARGET, \ - sizeof(struct xt_error_target)), \ - .target.errorname = "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. - * - * ATTENTION: check linux/in6.h before adding new number here. - */ -#define IP6T_BASE_CTL 64 - -#define IP6T_SO_SET_REPLACE (IP6T_BASE_CTL) -#define IP6T_SO_SET_ADD_COUNTERS (IP6T_BASE_CTL + 1) -#define IP6T_SO_SET_MAX IP6T_SO_SET_ADD_COUNTERS - -#define IP6T_SO_GET_INFO (IP6T_BASE_CTL) -#define IP6T_SO_GET_ENTRIES (IP6T_BASE_CTL + 1) -#define IP6T_SO_GET_REVISION_MATCH (IP6T_BASE_CTL + 4) -#define IP6T_SO_GET_REVISION_TARGET (IP6T_BASE_CTL + 5) -#define IP6T_SO_GET_MAX IP6T_SO_GET_REVISION_TARGET - -/* ICMP matching stuff */ -struct ip6t_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 IP6T_ICMP_INV 0x01 /* Invert the sense of type/code test */ - -/* The argument to IP6T_SO_GET_INFO */ -struct ip6t_getinfo { - /* Which table: caller fills this in. */ - char name[XT_TABLE_MAXNAMELEN]; - - /* Kernel fills these in. */ - /* Which hook entry points are valid: bitmask */ - unsigned int valid_hooks; - - /* Hook entry points: one per netfilter hook. */ - unsigned int hook_entry[NF_INET_NUMHOOKS]; - - /* Underflow points. */ - unsigned int underflow[NF_INET_NUMHOOKS]; - - /* Number of entries */ - unsigned int num_entries; - - /* Size of entries. */ - unsigned int size; -}; - -/* The argument to IP6T_SO_SET_REPLACE. */ -struct ip6t_replace { - /* Which table. */ - char name[XT_TABLE_MAXNAMELEN]; - - /* Which hook entry points are valid: bitmask. You can't - change this. */ - unsigned int valid_hooks; - - /* Number of entries */ - unsigned int num_entries; - - /* Total size of new entries */ - unsigned int size; - - /* Hook entry points. */ - unsigned int hook_entry[NF_INET_NUMHOOKS]; - - /* Underflow points. */ - unsigned int underflow[NF_INET_NUMHOOKS]; - - /* Information about old entries: */ - /* Number of counters (must be equal to current number of entries). */ - unsigned int num_counters; - /* The old entries' counters. */ - struct xt_counters __user *counters; - - /* The entries (hang off end: not really an array). */ - struct ip6t_entry entries[0]; -}; - -/* The argument to IP6T_SO_GET_ENTRIES. */ -struct ip6t_get_entries { - /* Which table: user fills this in. */ - char name[XT_TABLE_MAXNAMELEN]; - - /* User fills this in: total entry size. */ - unsigned int size; - - /* The entries. */ - struct ip6t_entry entrytable[0]; -}; - -/* Helper functions */ -static __inline__ struct xt_entry_target * -ip6t_get_target(struct ip6t_entry *e) -{ - return (void *)e + e->target_offset; -} - -/* - * Main firewall chains definitions and global var's definitions. - */ - -#ifdef __KERNEL__ #include <linux/init.h> +#include <uapi/linux/netfilter_ipv6/ip6_tables.h> + extern void ip6t_init(void) __init; extern void *ip6t_alloc_initial_table(const struct xt_table *); @@ -327,5 +76,4 @@ compat_ip6t_get_target(struct compat_ip6t_entry *e) } #endif /* CONFIG_COMPAT */ -#endif /*__KERNEL__*/ #endif /* _IP6_TABLES_H */ |
