| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _IPTABLES_H |
| #define _IPTABLES_H |
| |
| #include <linux/compiler.h> |
| #include <linux/netfilter_ipv4.h> |
| |
| #include <linux/netfilter/x_tables.h> |
| |
| #define IPT_FUNCTION_MAXNAMELEN XT_FUNCTION_MAXNAMELEN |
| #define IPT_TABLE_MAXNAMELEN XT_FUNCTION_MAXNAMELEN |
| #define ipt_match xt_match |
| #define ipt_target xt_target |
| #define ipt_table xt_table |
| #define ipt_get_revision xt_get_revision |
| |
| struct ipt_ip { |
| |
| struct in_addr src, dst; |
| |
| struct in_addr smsk, dmsk; |
| char iniface[IFNAMSIZ], outiface[IFNAMSIZ]; |
| unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; |
| |
| u_int16_t proto; |
| |
| u_int8_t flags; |
| |
| 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 |
| |
| #define IPT_F_FRAG 0x01 |
| #define IPT_F_GOTO 0x02 |
| #define IPT_F_MASK 0x03 |
| |
| #define IPT_INV_VIA_IN 0x01 |
| #define IPT_INV_VIA_OUT 0x02 |
| #define IPT_INV_TOS 0x04 |
| #define IPT_INV_SRCIP 0x08 |
| #define IPT_INV_DSTIP 0x10 |
| #define IPT_INV_FRAG 0x20 |
| #define IPT_INV_PROTO XT_INV_PROTO |
| #define IPT_INV_MASK 0x7F |
| |
| struct ipt_entry |
| { |
| struct ipt_ip ip; |
| |
| unsigned int nfcache; |
| |
| u_int16_t target_offset; |
| |
| u_int16_t next_offset; |
| |
| unsigned int comefrom; |
| |
| struct xt_counters counters; |
| |
| unsigned char elems[0]; |
| }; |
| |
| #define IPT_BASE_CTL XT_BASE_CTL |
| |
| #define IPT_SO_SET_REPLACE XT_SO_SET_REPLACE |
| #define IPT_SO_SET_ADD_COUNTERS XT_SO_SET_ADD_COUNTERS |
| #define IPT_SO_SET_MAX XT_SO_SET_MAX |
| |
| #define IPT_SO_GET_INFO XT_SO_GET_INFO |
| #define IPT_SO_GET_ENTRIES XT_SO_GET_ENTRIES |
| #define IPT_SO_GET_REVISION_MATCH XT_SO_GET_REVISION_MATCH |
| #define IPT_SO_GET_REVISION_TARGET XT_SO_GET_REVISION_TARGET |
| #define IPT_SO_GET_MAX XT_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 |
| |
| struct ipt_icmp |
| { |
| u_int8_t type; |
| u_int8_t code[2]; |
| u_int8_t invflags; |
| }; |
| |
| #define IPT_ICMP_INV 0x01 |
| |
| struct ipt_getinfo |
| { |
| |
| char name[IPT_TABLE_MAXNAMELEN]; |
| |
| unsigned int valid_hooks; |
| |
| unsigned int hook_entry[NF_IP_NUMHOOKS]; |
| |
| unsigned int underflow[NF_IP_NUMHOOKS]; |
| |
| unsigned int num_entries; |
| |
| unsigned int size; |
| }; |
| |
| struct ipt_replace |
| { |
| |
| char name[IPT_TABLE_MAXNAMELEN]; |
| |
| unsigned int valid_hooks; |
| |
| unsigned int num_entries; |
| |
| unsigned int size; |
| |
| unsigned int hook_entry[NF_IP_NUMHOOKS]; |
| |
| unsigned int underflow[NF_IP_NUMHOOKS]; |
| |
| unsigned int num_counters; |
| |
| struct xt_counters __user *counters; |
| |
| struct ipt_entry entries[0]; |
| }; |
| |
| #define ipt_counters_info xt_counters_info |
| |
| struct ipt_get_entries |
| { |
| |
| char name[IPT_TABLE_MAXNAMELEN]; |
| |
| unsigned int size; |
| |
| struct ipt_entry entrytable[0]; |
| }; |
| |
| #define IPT_STANDARD_TARGET XT_STANDARD_TARGET |
| |
| #define IPT_ERROR_TARGET XT_ERROR_TARGET |
| |
| static __inline__ struct ipt_entry_target * |
| ipt_get_target(struct ipt_entry *e) |
| { |
| return (void *)e + e->target_offset; |
| } |
| |
| #define IPT_MATCH_ITERATE(e, fn, args...) ({ unsigned int __i; int __ret = 0; struct ipt_entry_match *__match; for (__i = sizeof(struct ipt_entry); __i < (e)->target_offset; __i += __match->u.match_size) { __match = (void *)(e) + __i; __ret = fn(__match , ## args); if (__ret != 0) break; } __ret; }) |
| |
| #define IPT_ENTRY_ITERATE(entries, size, fn, args...) ({ unsigned int __i; int __ret = 0; struct ipt_entry *__entry; for (__i = 0; __i < (size); __i += __entry->next_offset) { __entry = (void *)(entries) + __i; __ret = fn(__entry , ## args); if (__ret != 0) break; } __ret; }) |
| |
| #endif |