From 62b465331393b5052cd3b3ed341ae427d33fedea Mon Sep 17 00:00:00 2001 From: Piotr Bartosiewicz Date: Fri, 13 Jun 2014 13:58:51 +0200 Subject: Add kernel includes --- include/linux/if_ether.h | 133 +++++++++++++ include/linux/netfilter_bridge.h | 27 +++ include/linux/netfilter_bridge/ebt_802_3.h | 62 ++++++ include/linux/netfilter_bridge/ebt_among.h | 64 ++++++ include/linux/netfilter_bridge/ebt_arp.h | 36 ++++ include/linux/netfilter_bridge/ebt_arpreply.h | 10 + include/linux/netfilter_bridge/ebt_ip.h | 44 +++++ include/linux/netfilter_bridge/ebt_ip6.h | 50 +++++ include/linux/netfilter_bridge/ebt_limit.h | 24 +++ include/linux/netfilter_bridge/ebt_log.h | 20 ++ include/linux/netfilter_bridge/ebt_mark_m.h | 16 ++ include/linux/netfilter_bridge/ebt_mark_t.h | 23 +++ include/linux/netfilter_bridge/ebt_nat.h | 13 ++ include/linux/netfilter_bridge/ebt_nflog.h | 23 +++ include/linux/netfilter_bridge/ebt_pkttype.h | 12 ++ include/linux/netfilter_bridge/ebt_redirect.h | 10 + include/linux/netfilter_bridge/ebt_stp.h | 46 +++++ include/linux/netfilter_bridge/ebt_ulog.h | 38 ++++ include/linux/netfilter_bridge/ebt_vlan.h | 22 +++ include/linux/netfilter_bridge/ebtables.h | 268 ++++++++++++++++++++++++++ include/linux/types.h | 51 +++++ 21 files changed, 992 insertions(+) create mode 100644 include/linux/if_ether.h create mode 100644 include/linux/netfilter_bridge.h create mode 100644 include/linux/netfilter_bridge/ebt_802_3.h create mode 100644 include/linux/netfilter_bridge/ebt_among.h create mode 100644 include/linux/netfilter_bridge/ebt_arp.h create mode 100644 include/linux/netfilter_bridge/ebt_arpreply.h create mode 100644 include/linux/netfilter_bridge/ebt_ip.h create mode 100644 include/linux/netfilter_bridge/ebt_ip6.h create mode 100644 include/linux/netfilter_bridge/ebt_limit.h create mode 100644 include/linux/netfilter_bridge/ebt_log.h create mode 100644 include/linux/netfilter_bridge/ebt_mark_m.h create mode 100644 include/linux/netfilter_bridge/ebt_mark_t.h create mode 100644 include/linux/netfilter_bridge/ebt_nat.h create mode 100644 include/linux/netfilter_bridge/ebt_nflog.h create mode 100644 include/linux/netfilter_bridge/ebt_pkttype.h create mode 100644 include/linux/netfilter_bridge/ebt_redirect.h create mode 100644 include/linux/netfilter_bridge/ebt_stp.h create mode 100644 include/linux/netfilter_bridge/ebt_ulog.h create mode 100644 include/linux/netfilter_bridge/ebt_vlan.h create mode 100644 include/linux/netfilter_bridge/ebtables.h create mode 100644 include/linux/types.h diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h new file mode 100644 index 0000000..b4015bf --- /dev/null +++ b/include/linux/if_ether.h @@ -0,0 +1,133 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Global definitions for the Ethernet IEEE 802.3 interface. + * + * Version: @(#)if_ether.h 1.0.1a 02/08/94 + * + * Author: Fred N. van Kempen, + * Donald Becker, + * Alan Cox, + * Steve Whitehouse, + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _LINUX_IF_ETHER_H +#define _LINUX_IF_ETHER_H + +#include + +/* + * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble + * and FCS/CRC (frame check sequence). + */ + +#define ETH_ALEN 6 /* Octets in one ethernet addr */ +#define ETH_HLEN 14 /* Total octets in header. */ +#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ +#define ETH_DATA_LEN 1500 /* Max. octets in payload */ +#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ +#define ETH_FCS_LEN 4 /* Octets in the FCS */ + +/* + * These are the defined Ethernet Protocol ID's. + */ + +#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ +#define ETH_P_PUP 0x0200 /* Xerox PUP packet */ +#define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ +#define ETH_P_IP 0x0800 /* Internet Protocol packet */ +#define ETH_P_X25 0x0805 /* CCITT X.25 */ +#define ETH_P_ARP 0x0806 /* Address Resolution packet */ +#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ +#define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ +#define ETH_P_DEC 0x6000 /* DEC Assigned proto */ +#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ +#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ +#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ +#define ETH_P_LAT 0x6004 /* DEC LAT */ +#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ +#define ETH_P_CUST 0x6006 /* DEC Customer use */ +#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ +#define ETH_P_TEB 0x6558 /* Trans Ether Bridging */ +#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ +#define ETH_P_ATALK 0x809B /* Appletalk DDP */ +#define ETH_P_AARP 0x80F3 /* Appletalk AARP */ +#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ +#define ETH_P_IPX 0x8137 /* IPX over DIX */ +#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ +#define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */ +#define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */ +#define ETH_P_WCCP 0x883E /* Web-cache coordination protocol + * defined in draft-wilson-wrec-wccp-v2-00.txt */ +#define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ +#define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ +#define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ +#define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ +#define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ +#define ETH_P_LINK_CTL 0x886c /* HPNA, wlan link local tunnel */ +#define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport + * over Ethernet + */ +#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ +#define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ +#define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */ +#define ETH_P_TIPC 0x88CA /* TIPC */ +#define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */ +#define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ +#define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ +#define ETH_P_TDLS 0x890D /* TDLS */ +#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ +#define ETH_P_QINQ1 0x9100 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_QINQ2 0x9200 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_QINQ3 0x9300 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_AF_IUCV 0xFBFB /* IBM af_iucv [ NOT AN OFFICIALLY REGISTERED ID ] */ + +/* + * Non DIX types. Won't clash for 1500 types. + */ + +#define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ +#define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ +#define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ +#define ETH_P_802_2 0x0004 /* 802.2 frames */ +#define ETH_P_SNAP 0x0005 /* Internal only */ +#define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ +#define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ +#define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ +#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ +#define ETH_P_CAN 0x000C /* Controller Area Network */ +#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ +#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ +#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ +#define ETH_P_CONTROL 0x0016 /* Card specific control frames */ +#define ETH_P_IRDA 0x0017 /* Linux-IrDA */ +#define ETH_P_ECONET 0x0018 /* Acorn Econet */ +#define ETH_P_HDLC 0x0019 /* HDLC frames */ +#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ +#define ETH_P_DSA 0x001B /* Distributed Switch Arch. */ +#define ETH_P_TRAILER 0x001C /* Trailer switch tagging */ +#define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */ +#define ETH_P_IEEE802154 0x00F6 /* IEEE802.15.4 frame */ +#define ETH_P_CAIF 0x00F7 /* ST-Ericsson CAIF protocol */ + +/* + * This is an Ethernet frame header. + */ + +struct ethhdr { + unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ + unsigned char h_source[ETH_ALEN]; /* source ether addr */ + __be16 h_proto; /* packet type ID field */ +} __attribute__((packed)); + + +#endif /* _LINUX_IF_ETHER_H */ diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h new file mode 100644 index 0000000..5094ecc --- /dev/null +++ b/include/linux/netfilter_bridge.h @@ -0,0 +1,27 @@ +#ifndef __LINUX_BRIDGE_NETFILTER_H +#define __LINUX_BRIDGE_NETFILTER_H + +/* bridge-specific defines for netfilter. + */ + +#include +#include +#include +#include + +/* Bridge Hooks */ +/* After promisc drops, checksum checks. */ +#define NF_BR_PRE_ROUTING 0 +/* If the packet is destined for this box. */ +#define NF_BR_LOCAL_IN 1 +/* If the packet is destined for another interface. */ +#define NF_BR_FORWARD 2 +/* Packets coming from a local process. */ +#define NF_BR_LOCAL_OUT 3 +/* Packets about to hit the wire. */ +#define NF_BR_POST_ROUTING 4 +/* Not really a hook, but used for the ebtables broute table */ +#define NF_BR_BROUTING 5 +#define NF_BR_NUMHOOKS 6 + +#endif diff --git a/include/linux/netfilter_bridge/ebt_802_3.h b/include/linux/netfilter_bridge/ebt_802_3.h new file mode 100644 index 0000000..76687d5 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_802_3.h @@ -0,0 +1,62 @@ +#ifndef __LINUX_BRIDGE_EBT_802_3_H +#define __LINUX_BRIDGE_EBT_802_3_H + +#include + +#define EBT_802_3_SAP 0x01 +#define EBT_802_3_TYPE 0x02 + +#define EBT_802_3_MATCH "802_3" + +/* + * If frame has DSAP/SSAP value 0xaa you must check the SNAP type + * to discover what kind of packet we're carrying. + */ +#define CHECK_TYPE 0xaa + +/* + * Control field may be one or two bytes. If the first byte has + * the value 0x03 then the entire length is one byte, otherwise it is two. + * One byte controls are used in Unnumbered Information frames. + * Two byte controls are used in Numbered Information frames. + */ +#define IS_UI 0x03 + +#define EBT_802_3_MASK (EBT_802_3_SAP | EBT_802_3_TYPE | EBT_802_3) + +/* ui has one byte ctrl, ni has two */ +struct hdr_ui { + __u8 dsap; + __u8 ssap; + __u8 ctrl; + __u8 orig[3]; + __be16 type; +}; + +struct hdr_ni { + __u8 dsap; + __u8 ssap; + __be16 ctrl; + __u8 orig[3]; + __be16 type; +}; + +struct ebt_802_3_hdr { + __u8 daddr[6]; + __u8 saddr[6]; + __be16 len; + union { + struct hdr_ui ui; + struct hdr_ni ni; + } llc; +}; + + +struct ebt_802_3_info { + __u8 sap; + __be16 type; + __u8 bitmask; + __u8 invflags; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_among.h b/include/linux/netfilter_bridge/ebt_among.h new file mode 100644 index 0000000..bd4e3ad --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_among.h @@ -0,0 +1,64 @@ +#ifndef __LINUX_BRIDGE_EBT_AMONG_H +#define __LINUX_BRIDGE_EBT_AMONG_H + +#include + +#define EBT_AMONG_DST 0x01 +#define EBT_AMONG_SRC 0x02 + +/* Grzegorz Borowiak 2003 + * + * Write-once-read-many hash table, used for checking if a given + * MAC address belongs to a set or not and possibly for checking + * if it is related with a given IPv4 address. + * + * The hash value of an address is its last byte. + * + * In real-world ethernet addresses, values of the last byte are + * evenly distributed and there is no need to consider other bytes. + * It would only slow the routines down. + * + * For MAC address comparison speedup reasons, we introduce a trick. + * MAC address is mapped onto an array of two 32-bit integers. + * This pair of integers is compared with MAC addresses in the + * hash table, which are stored also in form of pairs of integers + * (in `cmp' array). This is quick as it requires only two elementary + * number comparisons in worst case. Further, we take advantage of + * fact that entropy of 3 last bytes of address is larger than entropy + * of 3 first bytes. So first we compare 4 last bytes of addresses and + * if they are the same we compare 2 first. + * + * Yes, it is a memory overhead, but in 2003 AD, who cares? + */ + +struct ebt_mac_wormhash_tuple { + __u32 cmp[2]; + __be32 ip; +}; + +struct ebt_mac_wormhash { + int table[257]; + int poolsize; + struct ebt_mac_wormhash_tuple pool[0]; +}; + +#define ebt_mac_wormhash_size(x) ((x) ? sizeof(struct ebt_mac_wormhash) \ + + (x)->poolsize * sizeof(struct ebt_mac_wormhash_tuple) : 0) + +struct ebt_among_info { + int wh_dst_ofs; + int wh_src_ofs; + int bitmask; +}; + +#define EBT_AMONG_DST_NEG 0x1 +#define EBT_AMONG_SRC_NEG 0x2 + +#define ebt_among_wh_dst(x) ((x)->wh_dst_ofs ? \ + (struct ebt_mac_wormhash*)((char*)(x) + (x)->wh_dst_ofs) : NULL) +#define ebt_among_wh_src(x) ((x)->wh_src_ofs ? \ + (struct ebt_mac_wormhash*)((char*)(x) + (x)->wh_src_ofs) : NULL) + +#define EBT_AMONG_MATCH "among" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_arp.h b/include/linux/netfilter_bridge/ebt_arp.h new file mode 100644 index 0000000..522f3e4 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_arp.h @@ -0,0 +1,36 @@ +#ifndef __LINUX_BRIDGE_EBT_ARP_H +#define __LINUX_BRIDGE_EBT_ARP_H + +#include + +#define EBT_ARP_OPCODE 0x01 +#define EBT_ARP_HTYPE 0x02 +#define EBT_ARP_PTYPE 0x04 +#define EBT_ARP_SRC_IP 0x08 +#define EBT_ARP_DST_IP 0x10 +#define EBT_ARP_SRC_MAC 0x20 +#define EBT_ARP_DST_MAC 0x40 +#define EBT_ARP_GRAT 0x80 +#define EBT_ARP_MASK (EBT_ARP_OPCODE | EBT_ARP_HTYPE | EBT_ARP_PTYPE | \ + EBT_ARP_SRC_IP | EBT_ARP_DST_IP | EBT_ARP_SRC_MAC | EBT_ARP_DST_MAC | \ + EBT_ARP_GRAT) +#define EBT_ARP_MATCH "arp" + +struct ebt_arp_info +{ + __be16 htype; + __be16 ptype; + __be16 opcode; + __be32 saddr; + __be32 smsk; + __be32 daddr; + __be32 dmsk; + unsigned char smaddr[ETH_ALEN]; + unsigned char smmsk[ETH_ALEN]; + unsigned char dmaddr[ETH_ALEN]; + unsigned char dmmsk[ETH_ALEN]; + __u8 bitmask; + __u8 invflags; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_arpreply.h b/include/linux/netfilter_bridge/ebt_arpreply.h new file mode 100644 index 0000000..7e77896 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_arpreply.h @@ -0,0 +1,10 @@ +#ifndef __LINUX_BRIDGE_EBT_ARPREPLY_H +#define __LINUX_BRIDGE_EBT_ARPREPLY_H + +struct ebt_arpreply_info { + unsigned char mac[ETH_ALEN]; + int target; +}; +#define EBT_ARPREPLY_TARGET "arpreply" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_ip.h b/include/linux/netfilter_bridge/ebt_ip.h new file mode 100644 index 0000000..c4bbc41 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_ip.h @@ -0,0 +1,44 @@ +/* + * ebt_ip + * + * Authors: + * Bart De Schuymer + * + * April, 2002 + * + * Changes: + * added ip-sport and ip-dport + * Innominate Security Technologies AG + * September, 2002 + */ + +#ifndef __LINUX_BRIDGE_EBT_IP_H +#define __LINUX_BRIDGE_EBT_IP_H + +#include + +#define EBT_IP_SOURCE 0x01 +#define EBT_IP_DEST 0x02 +#define EBT_IP_TOS 0x04 +#define EBT_IP_PROTO 0x08 +#define EBT_IP_SPORT 0x10 +#define EBT_IP_DPORT 0x20 +#define EBT_IP_MASK (EBT_IP_SOURCE | EBT_IP_DEST | EBT_IP_TOS | EBT_IP_PROTO |\ + EBT_IP_SPORT | EBT_IP_DPORT ) +#define EBT_IP_MATCH "ip" + +/* the same values are used for the invflags */ +struct ebt_ip_info { + __be32 saddr; + __be32 daddr; + __be32 smsk; + __be32 dmsk; + __u8 tos; + __u8 protocol; + __u8 bitmask; + __u8 invflags; + __u16 sport[2]; + __u16 dport[2]; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_ip6.h b/include/linux/netfilter_bridge/ebt_ip6.h new file mode 100644 index 0000000..42b8896 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_ip6.h @@ -0,0 +1,50 @@ +/* + * ebt_ip6 + * + * Authors: + * Kuo-Lang Tseng + * Manohar Castelino + * + * Jan 11, 2008 + * + */ + +#ifndef __LINUX_BRIDGE_EBT_IP6_H +#define __LINUX_BRIDGE_EBT_IP6_H + +#include + +#define EBT_IP6_SOURCE 0x01 +#define EBT_IP6_DEST 0x02 +#define EBT_IP6_TCLASS 0x04 +#define EBT_IP6_PROTO 0x08 +#define EBT_IP6_SPORT 0x10 +#define EBT_IP6_DPORT 0x20 +#define EBT_IP6_ICMP6 0x40 + +#define EBT_IP6_MASK (EBT_IP6_SOURCE | EBT_IP6_DEST | EBT_IP6_TCLASS |\ + EBT_IP6_PROTO | EBT_IP6_SPORT | EBT_IP6_DPORT | \ + EBT_IP6_ICMP6) +#define EBT_IP6_MATCH "ip6" + +/* the same values are used for the invflags */ +struct ebt_ip6_info { + struct in6_addr saddr; + struct in6_addr daddr; + struct in6_addr smsk; + struct in6_addr dmsk; + __u8 tclass; + __u8 protocol; + __u8 bitmask; + __u8 invflags; + union { + __u16 sport[2]; + __u8 icmpv6_type[2]; + }; + union { + __u16 dport[2]; + __u8 icmpv6_code[2]; + }; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_limit.h b/include/linux/netfilter_bridge/ebt_limit.h new file mode 100644 index 0000000..66d80b3 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_limit.h @@ -0,0 +1,24 @@ +#ifndef __LINUX_BRIDGE_EBT_LIMIT_H +#define __LINUX_BRIDGE_EBT_LIMIT_H + +#include + +#define EBT_LIMIT_MATCH "limit" + +/* timings are in milliseconds. */ +#define EBT_LIMIT_SCALE 10000 + +/* 1/10,000 sec period => max of 10,000/sec. Min rate is then 429490 + seconds, or one every 59 hours. */ + +struct ebt_limit_info { + __u32 avg; /* Average secs between packets * scale */ + __u32 burst; /* Period multiplier for upper limit. */ + + /* Used internally by the kernel */ + unsigned long prev; + __u32 credit; + __u32 credit_cap, cost; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_log.h b/include/linux/netfilter_bridge/ebt_log.h new file mode 100644 index 0000000..7e7f1d1 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_log.h @@ -0,0 +1,20 @@ +#ifndef __LINUX_BRIDGE_EBT_LOG_H +#define __LINUX_BRIDGE_EBT_LOG_H + +#include + +#define EBT_LOG_IP 0x01 /* if the frame is made by ip, log the ip information */ +#define EBT_LOG_ARP 0x02 +#define EBT_LOG_NFLOG 0x04 +#define EBT_LOG_IP6 0x08 +#define EBT_LOG_MASK (EBT_LOG_IP | EBT_LOG_ARP | EBT_LOG_IP6) +#define EBT_LOG_PREFIX_SIZE 30 +#define EBT_LOG_WATCHER "log" + +struct ebt_log_info { + __u8 loglevel; + __u8 prefix[EBT_LOG_PREFIX_SIZE]; + __u32 bitmask; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_mark_m.h b/include/linux/netfilter_bridge/ebt_mark_m.h new file mode 100644 index 0000000..410f9e5 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_mark_m.h @@ -0,0 +1,16 @@ +#ifndef __LINUX_BRIDGE_EBT_MARK_M_H +#define __LINUX_BRIDGE_EBT_MARK_M_H + +#include + +#define EBT_MARK_AND 0x01 +#define EBT_MARK_OR 0x02 +#define EBT_MARK_MASK (EBT_MARK_AND | EBT_MARK_OR) +struct ebt_mark_m_info { + unsigned long mark, mask; + __u8 invert; + __u8 bitmask; +}; +#define EBT_MARK_MATCH "mark_m" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_mark_t.h b/include/linux/netfilter_bridge/ebt_mark_t.h new file mode 100644 index 0000000..7d5a268 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_mark_t.h @@ -0,0 +1,23 @@ +#ifndef __LINUX_BRIDGE_EBT_MARK_T_H +#define __LINUX_BRIDGE_EBT_MARK_T_H + +/* The target member is reused for adding new actions, the + * value of the real target is -1 to -NUM_STANDARD_TARGETS. + * For backward compatibility, the 4 lsb (2 would be enough, + * but let's play it safe) are kept to designate this target. + * The remaining bits designate the action. By making the set + * action 0xfffffff0, the result will look ok for older + * versions. [September 2006] */ +#define MARK_SET_VALUE (0xfffffff0) +#define MARK_OR_VALUE (0xffffffe0) +#define MARK_AND_VALUE (0xffffffd0) +#define MARK_XOR_VALUE (0xffffffc0) + +struct ebt_mark_t_info { + unsigned long mark; + /* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */ + int target; +}; +#define EBT_MARK_TARGET "mark" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_nat.h b/include/linux/netfilter_bridge/ebt_nat.h new file mode 100644 index 0000000..5e74e3b --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_nat.h @@ -0,0 +1,13 @@ +#ifndef __LINUX_BRIDGE_EBT_NAT_H +#define __LINUX_BRIDGE_EBT_NAT_H + +#define NAT_ARP_BIT (0x00000010) +struct ebt_nat_info { + unsigned char mac[ETH_ALEN]; + /* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */ + int target; +}; +#define EBT_SNAT_TARGET "snat" +#define EBT_DNAT_TARGET "dnat" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_nflog.h b/include/linux/netfilter_bridge/ebt_nflog.h new file mode 100644 index 0000000..df829fc --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_nflog.h @@ -0,0 +1,23 @@ +#ifndef __LINUX_BRIDGE_EBT_NFLOG_H +#define __LINUX_BRIDGE_EBT_NFLOG_H + +#include + +#define EBT_NFLOG_MASK 0x0 + +#define EBT_NFLOG_PREFIX_SIZE 64 +#define EBT_NFLOG_WATCHER "nflog" + +#define EBT_NFLOG_DEFAULT_GROUP 0x1 +#define EBT_NFLOG_DEFAULT_THRESHOLD 1 + +struct ebt_nflog_info { + __u32 len; + __u16 group; + __u16 threshold; + __u16 flags; + __u16 pad; + char prefix[EBT_NFLOG_PREFIX_SIZE]; +}; + +#endif /* __LINUX_BRIDGE_EBT_NFLOG_H */ diff --git a/include/linux/netfilter_bridge/ebt_pkttype.h b/include/linux/netfilter_bridge/ebt_pkttype.h new file mode 100644 index 0000000..c241bad --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_pkttype.h @@ -0,0 +1,12 @@ +#ifndef __LINUX_BRIDGE_EBT_PKTTYPE_H +#define __LINUX_BRIDGE_EBT_PKTTYPE_H + +#include + +struct ebt_pkttype_info { + __u8 pkt_type; + __u8 invert; +}; +#define EBT_PKTTYPE_MATCH "pkttype" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_redirect.h b/include/linux/netfilter_bridge/ebt_redirect.h new file mode 100644 index 0000000..dd9622c --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_redirect.h @@ -0,0 +1,10 @@ +#ifndef __LINUX_BRIDGE_EBT_REDIRECT_H +#define __LINUX_BRIDGE_EBT_REDIRECT_H + +struct ebt_redirect_info { + /* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */ + int target; +}; +#define EBT_REDIRECT_TARGET "redirect" + +#endif diff --git a/include/linux/netfilter_bridge/ebt_stp.h b/include/linux/netfilter_bridge/ebt_stp.h new file mode 100644 index 0000000..1025b9f --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_stp.h @@ -0,0 +1,46 @@ +#ifndef __LINUX_BRIDGE_EBT_STP_H +#define __LINUX_BRIDGE_EBT_STP_H + +#include + +#define EBT_STP_TYPE 0x0001 + +#define EBT_STP_FLAGS 0x0002 +#define EBT_STP_ROOTPRIO 0x0004 +#define EBT_STP_ROOTADDR 0x0008 +#define EBT_STP_ROOTCOST 0x0010 +#define EBT_STP_SENDERPRIO 0x0020 +#define EBT_STP_SENDERADDR 0x0040 +#define EBT_STP_PORT 0x0080 +#define EBT_STP_MSGAGE 0x0100 +#define EBT_STP_MAXAGE 0x0200 +#define EBT_STP_HELLOTIME 0x0400 +#define EBT_STP_FWDD 0x0800 + +#define EBT_STP_MASK 0x0fff +#define EBT_STP_CONFIG_MASK 0x0ffe + +#define EBT_STP_MATCH "stp" + +struct ebt_stp_config_info { + __u8 flags; + __u16 root_priol, root_priou; + char root_addr[6], root_addrmsk[6]; + __u32 root_costl, root_costu; + __u16 sender_priol, sender_priou; + char sender_addr[6], sender_addrmsk[6]; + __u16 portl, portu; + __u16 msg_agel, msg_ageu; + __u16 max_agel, max_ageu; + __u16 hello_timel, hello_timeu; + __u16 forward_delayl, forward_delayu; +}; + +struct ebt_stp_info { + __u8 type; + struct ebt_stp_config_info config; + __u16 bitmask; + __u16 invflags; +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebt_ulog.h b/include/linux/netfilter_bridge/ebt_ulog.h new file mode 100644 index 0000000..89a6bec --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_ulog.h @@ -0,0 +1,38 @@ +#ifndef _EBT_ULOG_H +#define _EBT_ULOG_H + +#include + +#define EBT_ULOG_DEFAULT_NLGROUP 0 +#define EBT_ULOG_DEFAULT_QTHRESHOLD 1 +#define EBT_ULOG_MAXNLGROUPS 32 /* hardcoded netlink max */ +#define EBT_ULOG_PREFIX_LEN 32 +#define EBT_ULOG_MAX_QLEN 50 +#define EBT_ULOG_WATCHER "ulog" +#define EBT_ULOG_VERSION 1 + +struct ebt_ulog_info { + __u32 nlgroup; + unsigned int cprange; + unsigned int qthreshold; + char prefix[EBT_ULOG_PREFIX_LEN]; +}; + +typedef struct ebt_ulog_packet_msg { + int version; + char indev[IFNAMSIZ]; + char outdev[IFNAMSIZ]; + char physindev[IFNAMSIZ]; + char physoutdev[IFNAMSIZ]; + char prefix[EBT_ULOG_PREFIX_LEN]; + struct timeval stamp; + unsigned long mark; + unsigned int hook; + size_t data_len; + /* The complete packet, including Ethernet header and perhaps + * the VLAN header is appended */ + unsigned char data[0] __attribute__ + ((aligned (__alignof__(struct ebt_ulog_info)))); +} ebt_ulog_packet_msg_t; + +#endif /* _EBT_ULOG_H */ diff --git a/include/linux/netfilter_bridge/ebt_vlan.h b/include/linux/netfilter_bridge/ebt_vlan.h new file mode 100644 index 0000000..967d1d5 --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_vlan.h @@ -0,0 +1,22 @@ +#ifndef __LINUX_BRIDGE_EBT_VLAN_H +#define __LINUX_BRIDGE_EBT_VLAN_H + +#include + +#define EBT_VLAN_ID 0x01 +#define EBT_VLAN_PRIO 0x02 +#define EBT_VLAN_ENCAP 0x04 +#define EBT_VLAN_MASK (EBT_VLAN_ID | EBT_VLAN_PRIO | EBT_VLAN_ENCAP) +#define EBT_VLAN_MATCH "vlan" + +struct ebt_vlan_info { + __u16 id; /* VLAN ID {1-4095} */ + __u8 prio; /* VLAN User Priority {0-7} */ + __be16 encap; /* VLAN Encapsulated frame code {0-65535} */ + __u8 bitmask; /* Args bitmask bit 1=1 - ID arg, + bit 2=1 User-Priority arg, bit 3=1 encap*/ + __u8 invflags; /* Inverse bitmask bit 1=1 - inversed ID arg, + bit 2=1 - inversed Pirority arg */ +}; + +#endif diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h new file mode 100644 index 0000000..19a6444 --- /dev/null +++ b/include/linux/netfilter_bridge/ebtables.h @@ -0,0 +1,268 @@ +/* + * ebtables + * + * Authors: + * Bart De Schuymer + * + * ebtables.c,v 2.0, April, 2002 + * + * This code is stongly inspired on the iptables code which is + * Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling + */ + +#ifndef __LINUX_BRIDGE_EFF_H +#define __LINUX_BRIDGE_EFF_H +#include +#include +#include + +#define EBT_TABLE_MAXNAMELEN 32 +#define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN +#define EBT_FUNCTION_MAXNAMELEN EBT_TABLE_MAXNAMELEN + +/* verdicts >0 are "branches" */ +#define EBT_ACCEPT -1 +#define EBT_DROP -2 +#define EBT_CONTINUE -3 +#define EBT_RETURN -4 +#define NUM_STANDARD_TARGETS 4 +/* ebtables target modules store the verdict inside an int. We can + * reclaim a part of this int for backwards compatible extensions. + * The 4 lsb are more than enough to store the verdict. */ +#define EBT_VERDICT_BITS 0x0000000F + +struct xt_match; +struct xt_target; + +struct ebt_counter { + uint64_t pcnt; + uint64_t bcnt; +}; + +struct ebt_replace { + char name[EBT_TABLE_MAXNAMELEN]; + unsigned int valid_hooks; + /* nr of rules in the table */ + unsigned int nentries; + /* total size of the entries */ + unsigned int entries_size; + /* start of the chains */ + struct ebt_entries *hook_entry[NF_BR_NUMHOOKS]; + /* nr of counters userspace expects back */ + unsigned int num_counters; + /* where the kernel will put the old counters */ + struct ebt_counter *counters; + char *entries; +}; + +struct ebt_replace_kernel { + char name[EBT_TABLE_MAXNAMELEN]; + unsigned int valid_hooks; + /* nr of rules in the table */ + unsigned int nentries; + /* total size of the entries */ + unsigned int entries_size; + /* start of the chains */ + struct ebt_entries *hook_entry[NF_BR_NUMHOOKS]; + /* nr of counters userspace expects back */ + unsigned int num_counters; + /* where the kernel will put the old counters */ + struct ebt_counter *counters; + char *entries; +}; + +struct ebt_entries { + /* this field is always set to zero + * See EBT_ENTRY_OR_ENTRIES. + * Must be same size as ebt_entry.bitmask */ + unsigned int distinguisher; + /* the chain name */ + char name[EBT_CHAIN_MAXNAMELEN]; + /* counter offset for this chain */ + unsigned int counter_offset; + /* one standard (accept, drop, return) per hook */ + int policy; + /* nr. of entries */ + unsigned int nentries; + /* entry list */ + char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace)))); +}; + +/* used for the bitmask of struct ebt_entry */ + +/* This is a hack to make a difference between an ebt_entry struct and an + * ebt_entries struct when traversing the entries from start to end. + * Using this simplifies the code a lot, while still being able to use + * ebt_entries. + * Contrary, iptables doesn't use something like ebt_entries and therefore uses + * different techniques for naming the policy and such. So, iptables doesn't + * need a hack like this. + */ +#define EBT_ENTRY_OR_ENTRIES 0x01 +/* these are the normal masks */ +#define EBT_NOPROTO 0x02 +#define EBT_802_3 0x04 +#define EBT_SOURCEMAC 0x08 +#define EBT_DESTMAC 0x10 +#define EBT_F_MASK (EBT_NOPROTO | EBT_802_3 | EBT_SOURCEMAC | EBT_DESTMAC \ + | EBT_ENTRY_OR_ENTRIES) + +#define EBT_IPROTO 0x01 +#define EBT_IIN 0x02 +#define EBT_IOUT 0x04 +#define EBT_ISOURCE 0x8 +#define EBT_IDEST 0x10 +#define EBT_ILOGICALIN 0x20 +#define EBT_ILOGICALOUT 0x40 +#define EBT_INV_MASK (EBT_IPROTO | EBT_IIN | EBT_IOUT | EBT_ILOGICALIN \ + | EBT_ILOGICALOUT | EBT_ISOURCE | EBT_IDEST) + +struct ebt_entry_match { + union { + char name[EBT_FUNCTION_MAXNAMELEN]; + struct xt_match *match; + } u; + /* size of data */ + unsigned int match_size; + unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace)))); +}; + +struct ebt_entry_watcher { + union { + char name[EBT_FUNCTION_MAXNAMELEN]; + struct xt_target *watcher; + } u; + /* size of data */ + unsigned int watcher_size; + unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace)))); +}; + +struct ebt_entry_target { + union { + char name[EBT_FUNCTION_MAXNAMELEN]; + struct xt_target *target; + } u; + /* size of data */ + unsigned int target_size; + unsigned char data[0] __attribute__ ((aligned (__alignof__(struct ebt_replace)))); +}; + +#define EBT_STANDARD_TARGET "standard" +struct ebt_standard_target { + struct ebt_entry_target target; + int verdict; +}; + +/* one entry */ +struct ebt_entry { + /* this needs to be the first field */ + unsigned int bitmask; + unsigned int invflags; + __be16 ethproto; + /* the physical in-dev */ + char in[IFNAMSIZ]; + /* the logical in-dev */ + char logical_in[IFNAMSIZ]; + /* the physical out-dev */ + char out[IFNAMSIZ]; + /* the logical out-dev */ + char logical_out[IFNAMSIZ]; + unsigned char sourcemac[ETH_ALEN]; + unsigned char sourcemsk[ETH_ALEN]; + unsigned char destmac[ETH_ALEN]; + unsigned char destmsk[ETH_ALEN]; + /* sizeof ebt_entry + matches */ + unsigned int watchers_offset; + /* sizeof ebt_entry + matches + watchers */ + unsigned int target_offset; + /* sizeof ebt_entry + matches + watchers + target */ + unsigned int next_offset; + unsigned char elems[0] __attribute__ ((aligned (__alignof__(struct ebt_replace)))); +}; + +/* {g,s}etsockopt numbers */ +#define EBT_BASE_CTL 128 + +#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL) +#define EBT_SO_SET_COUNTERS (EBT_SO_SET_ENTRIES+1) +#define EBT_SO_SET_MAX (EBT_SO_SET_COUNTERS+1) + +#define EBT_SO_GET_INFO (EBT_BASE_CTL) +#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO+1) +#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES+1) +#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO+1) +#define EBT_SO_GET_MAX (EBT_SO_GET_INIT_ENTRIES+1) + + +/* blatently stolen from ip_tables.h + * fn returns 0 to continue iteration */ +#define EBT_MATCH_ITERATE(e, fn, args...) \ +({ \ + unsigned int __i; \ + int __ret = 0; \ + struct ebt_entry_match *__match; \ + \ + for (__i = sizeof(struct ebt_entry); \ + __i < (e)->watchers_offset; \ + __i += __match->match_size + \ + sizeof(struct ebt_entry_match)) { \ + __match = (void *)(e) + __i; \ + \ + __ret = fn(__match , ## args); \ + if (__ret != 0) \ + break; \ + } \ + if (__ret == 0) { \ + if (__i != (e)->watchers_offset) \ + __ret = -EINVAL; \ + } \ + __ret; \ +}) + +#define EBT_WATCHER_ITERATE(e, fn, args...) \ +({ \ + unsigned int __i; \ + int __ret = 0; \ + struct ebt_entry_watcher *__watcher; \ + \ + for (__i = e->watchers_offset; \ + __i < (e)->target_offset; \ + __i += __watcher->watcher_size + \ + sizeof(struct ebt_entry_watcher)) { \ + __watcher = (void *)(e) + __i; \ + \ + __ret = fn(__watcher , ## args); \ + if (__ret != 0) \ + break; \ + } \ + if (__ret == 0) { \ + if (__i != (e)->target_offset) \ + __ret = -EINVAL; \ + } \ + __ret; \ +}) + +#define EBT_ENTRY_ITERATE(entries, size, fn, args...) \ +({ \ + unsigned int __i; \ + int __ret = 0; \ + struct ebt_entry *__entry; \ + \ + for (__i = 0; __i < (size);) { \ + __entry = (void *)(entries) + __i; \ + __ret = fn(__entry , ## args); \ + if (__ret != 0) \ + break; \ + if (__entry->bitmask != 0) \ + __i += __entry->next_offset; \ + else \ + __i += sizeof(struct ebt_entries); \ + } \ + if (__ret == 0) { \ + if (__i != (size)) \ + __ret = -EINVAL; \ + } \ + __ret; \ +}) + +#endif diff --git a/include/linux/types.h b/include/linux/types.h new file mode 100644 index 0000000..630cd3b --- /dev/null +++ b/include/linux/types.h @@ -0,0 +1,51 @@ +#ifndef _LINUX_TYPES_H +#define _LINUX_TYPES_H + +#include + +#ifndef __ASSEMBLY__ + +#include + + +/* + * Below are truly Linux-specific types that should never collide with + * any application/library that wants linux/types.h. + */ + +#ifdef __CHECKER__ +#define __bitwise__ __attribute__((bitwise)) +#else +#define __bitwise__ +#endif +#ifdef __CHECK_ENDIAN__ +#define __bitwise __bitwise__ +#else +#define __bitwise +#endif + +typedef __u16 __bitwise __le16; +typedef __u16 __bitwise __be16; +typedef __u32 __bitwise __le32; +typedef __u32 __bitwise __be32; +typedef __u64 __bitwise __le64; +typedef __u64 __bitwise __be64; + +typedef __u16 __bitwise __sum16; +typedef __u32 __bitwise __wsum; + +/* + * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid + * common 32/64-bit compat problems. + * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other + * architectures) and to 8-byte boundaries on 64-bit architetures. The new + * aligned_64 type enforces 8-byte alignment so that structs containing + * aligned_64 values have the same alignment on 32-bit and 64-bit architectures. + * No conversions are necessary between 32-bit user-space and a 64-bit kernel. + */ +#define __aligned_u64 __u64 __attribute__((aligned(8))) +#define __aligned_be64 __be64 __attribute__((aligned(8))) +#define __aligned_le64 __le64 __attribute__((aligned(8))) + +#endif /* __ASSEMBLY__ */ +#endif /* _LINUX_TYPES_H */ -- cgit v1.2.3