diff options
Diffstat (limited to 'include/linux/netfilter_arp')
-rw-r--r-- | include/linux/netfilter_arp/Kbuild | 2 | ||||
-rw-r--r-- | include/linux/netfilter_arp/arp_tables.h | 200 | ||||
-rw-r--r-- | include/linux/netfilter_arp/arpt_mangle.h | 26 |
3 files changed, 1 insertions, 227 deletions
diff --git a/include/linux/netfilter_arp/Kbuild b/include/linux/netfilter_arp/Kbuild index b27439c..e69de29 100644 --- a/include/linux/netfilter_arp/Kbuild +++ b/include/linux/netfilter_arp/Kbuild @@ -1,2 +0,0 @@ -header-y += arp_tables.h -header-y += arpt_mangle.h diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h index e08565d..cfb7191 100644 --- a/include/linux/netfilter_arp/arp_tables.h +++ b/include/linux/netfilter_arp/arp_tables.h @@ -5,211 +5,14 @@ * network byte order. * flags are stored in host byte order (of course). */ - #ifndef _ARPTABLES_H #define _ARPTABLES_H -#ifdef __KERNEL__ #include <linux/if.h> #include <linux/in.h> #include <linux/if_arp.h> #include <linux/skbuff.h> -#endif -#include <linux/types.h> -#include <linux/compiler.h> -#include <linux/netfilter_arp.h> - -#include <linux/netfilter/x_tables.h> - -#ifndef __KERNEL__ -#define ARPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN -#define ARPT_TABLE_MAXNAMELEN XT_TABLE_MAXNAMELEN -#define arpt_entry_target xt_entry_target -#define arpt_standard_target xt_standard_target -#define arpt_error_target xt_error_target -#define ARPT_CONTINUE XT_CONTINUE -#define ARPT_RETURN XT_RETURN -#define arpt_counters_info xt_counters_info -#define arpt_counters xt_counters -#define ARPT_STANDARD_TARGET XT_STANDARD_TARGET -#define ARPT_ERROR_TARGET XT_ERROR_TARGET -#define ARPT_ENTRY_ITERATE(entries, size, fn, args...) \ - XT_ENTRY_ITERATE(struct arpt_entry, entries, size, fn, ## args) -#endif - -#define ARPT_DEV_ADDR_LEN_MAX 16 - -struct arpt_devaddr_info { - char addr[ARPT_DEV_ADDR_LEN_MAX]; - char mask[ARPT_DEV_ADDR_LEN_MAX]; -}; - -/* Yes, Virginia, you have to zero the padding. */ -struct arpt_arp { - /* Source and target IP addr */ - struct in_addr src, tgt; - /* Mask for src and target IP addr */ - struct in_addr smsk, tmsk; - - /* Device hw address length, src+target device addresses */ - __u8 arhln, arhln_mask; - struct arpt_devaddr_info src_devaddr; - struct arpt_devaddr_info tgt_devaddr; - - /* ARP operation code. */ - __be16 arpop, arpop_mask; - - /* ARP hardware address and protocol address format. */ - __be16 arhrd, arhrd_mask; - __be16 arpro, arpro_mask; - - /* The protocol address length is only accepted if it is 4 - * so there is no use in offering a way to do filtering on it. - */ - - char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; - unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; - - /* Flags word */ - __u8 flags; - /* Inverse flags */ - __u16 invflags; -}; - -/* Values for "flag" field in struct arpt_ip (general arp structure). - * No flags defined yet. - */ -#define ARPT_F_MASK 0x00 /* All possible flag bits mask. */ - -/* Values for "inv" field in struct arpt_arp. */ -#define ARPT_INV_VIA_IN 0x0001 /* Invert the sense of IN IFACE. */ -#define ARPT_INV_VIA_OUT 0x0002 /* Invert the sense of OUT IFACE */ -#define ARPT_INV_SRCIP 0x0004 /* Invert the sense of SRC IP. */ -#define ARPT_INV_TGTIP 0x0008 /* Invert the sense of TGT IP. */ -#define ARPT_INV_SRCDEVADDR 0x0010 /* Invert the sense of SRC DEV ADDR. */ -#define ARPT_INV_TGTDEVADDR 0x0020 /* Invert the sense of TGT DEV ADDR. */ -#define ARPT_INV_ARPOP 0x0040 /* Invert the sense of ARP OP. */ -#define ARPT_INV_ARPHRD 0x0080 /* Invert the sense of ARP HRD. */ -#define ARPT_INV_ARPPRO 0x0100 /* Invert the sense of ARP PRO. */ -#define ARPT_INV_ARPHLN 0x0200 /* Invert the sense of ARP HLN. */ -#define ARPT_INV_MASK 0x03FF /* All possible flag bits mask. */ - -/* This structure defines each of the firewall rules. Consists of 3 - parts which are 1) general ARP header stuff 2) match specific - stuff 3) the target to perform if the rule matches */ -struct arpt_entry -{ - struct arpt_arp arp; - - /* Size of arpt_entry + matches */ - __u16 target_offset; - /* Size of arpt_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]; -}; - -/* - * 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/in.h before adding new number here. - */ -#define ARPT_BASE_CTL 96 - -#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL) -#define ARPT_SO_SET_ADD_COUNTERS (ARPT_BASE_CTL + 1) -#define ARPT_SO_SET_MAX ARPT_SO_SET_ADD_COUNTERS - -#define ARPT_SO_GET_INFO (ARPT_BASE_CTL) -#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1) -/* #define ARPT_SO_GET_REVISION_MATCH (APRT_BASE_CTL + 2) */ -#define ARPT_SO_GET_REVISION_TARGET (ARPT_BASE_CTL + 3) -#define ARPT_SO_GET_MAX (ARPT_SO_GET_REVISION_TARGET) - -/* The argument to ARPT_SO_GET_INFO */ -struct arpt_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_ARP_NUMHOOKS]; - - /* Underflow points. */ - unsigned int underflow[NF_ARP_NUMHOOKS]; - - /* Number of entries */ - unsigned int num_entries; - - /* Size of entries. */ - unsigned int size; -}; - -/* The argument to ARPT_SO_SET_REPLACE. */ -struct arpt_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_ARP_NUMHOOKS]; - - /* Underflow points. */ - unsigned int underflow[NF_ARP_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 arpt_entry entries[0]; -}; - -/* The argument to ARPT_SO_GET_ENTRIES. */ -struct arpt_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 arpt_entry entrytable[0]; -}; - -/* Helper functions */ -static __inline__ struct xt_entry_target *arpt_get_target(struct arpt_entry *e) -{ - return (void *)e + e->target_offset; -} - -/* - * Main firewall chains definitions and global var's definitions. - */ -#ifdef __KERNEL__ +#include <uapi/linux/netfilter_arp/arp_tables.h> /* Standard entry. */ struct arpt_standard { @@ -274,5 +77,4 @@ compat_arpt_get_target(struct compat_arpt_entry *e) } #endif /* CONFIG_COMPAT */ -#endif /*__KERNEL__*/ #endif /* _ARPTABLES_H */ diff --git a/include/linux/netfilter_arp/arpt_mangle.h b/include/linux/netfilter_arp/arpt_mangle.h deleted file mode 100644 index 250f502..0000000 --- a/include/linux/netfilter_arp/arpt_mangle.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _ARPT_MANGLE_H -#define _ARPT_MANGLE_H -#include <linux/netfilter_arp/arp_tables.h> - -#define ARPT_MANGLE_ADDR_LEN_MAX sizeof(struct in_addr) -struct arpt_mangle -{ - char src_devaddr[ARPT_DEV_ADDR_LEN_MAX]; - char tgt_devaddr[ARPT_DEV_ADDR_LEN_MAX]; - union { - struct in_addr src_ip; - } u_s; - union { - struct in_addr tgt_ip; - } u_t; - u_int8_t flags; - int target; -}; - -#define ARPT_MANGLE_SDEV 0x01 -#define ARPT_MANGLE_TDEV 0x02 -#define ARPT_MANGLE_SIP 0x04 -#define ARPT_MANGLE_TIP 0x08 -#define ARPT_MANGLE_MASK 0x0f - -#endif /* _ARPT_MANGLE_H */ |