diff options
Diffstat (limited to 'include')
32 files changed, 1754 insertions, 76 deletions
diff --git a/include/ebtables/ethernetdb.h b/include/ebtables/ethernetdb.h new file mode 100644 index 00000000..1683abe0 --- /dev/null +++ b/include/ebtables/ethernetdb.h @@ -0,0 +1,57 @@ +/* +* 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. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +/* All data returned by the network data base library are supplied in + host order and returned in network order (suitable for use in + system calls). */ + +#ifndef _ETHERNETDB_H +#define _ETHERNETDB_H 1 + +#include <features.h> +#include <netinet/in.h> +#include <stdint.h> + +/* Absolute file name for network data base files. */ +#ifndef _PATH_ETHERTYPES +#define _PATH_ETHERTYPES "/etc/ethertypes" +#endif /* _PATH_ETHERTYPES */ + +struct ethertypeent { + char *e_name; /* Official ethernet type name. */ + char **e_aliases; /* Alias list. */ + int e_ethertype; /* Ethernet type number. */ +}; + +/* Open ethertype data base files and mark them as staying open even + after a later search if STAY_OPEN is non-zero. */ +extern void setethertypeent(int __stay_open); + +/* Close ethertype data base files and clear `stay open' flag. */ +extern void endethertypeent(void); + +/* Get next entry from ethertype data base file. Open data base if + necessary. */ +extern struct ethertypeent *getethertypeent(void); + +/* Return entry from ethertype data base for network with NAME. */ +extern struct ethertypeent *getethertypebyname(__const char *__name); + +/* Return entry from ethertype data base which number is PROTO. */ +extern struct ethertypeent *getethertypebynumber(int __ethertype); + + +#endif /* ethernetdb.h */ diff --git a/include/iptables.h b/include/iptables.h index ac9dc0e5..78c10abd 100644 --- a/include/iptables.h +++ b/include/iptables.h @@ -20,4 +20,6 @@ extern void print_rule4(const struct ipt_entry *e, extern struct xtables_globals iptables_globals; +extern struct xtables_globals xtables_globals; + #endif /*_IPTABLES_USER_H*/ diff --git a/include/iptables/internal.h b/include/iptables/internal.h index 82b4c36c..3b9013ab 100644 --- a/include/iptables/internal.h +++ b/include/iptables/internal.h @@ -1,7 +1,7 @@ #ifndef IPTABLES_INTERNAL_H #define IPTABLES_INTERNAL_H 1 -#define IPTABLES_VERSION "1.4.20" +#define IPTABLES_VERSION "1.6.1" /** * Program's own name and version. diff --git a/include/libiptc/ipt_kernel_headers.h b/include/libiptc/ipt_kernel_headers.h index 60c79982..a5963e94 100644 --- a/include/libiptc/ipt_kernel_headers.h +++ b/include/libiptc/ipt_kernel_headers.h @@ -5,7 +5,6 @@ #include <limits.h> -#if defined(__ANDROID__) || (defined(__GLIBC__) && __GLIBC__ == 2) #include <netinet/ip.h> #include <netinet/in.h> #include <netinet/ip_icmp.h> @@ -13,15 +12,4 @@ #include <netinet/udp.h> #include <net/if.h> #include <sys/types.h> -#else /* libc5 */ -#include <sys/socket.h> -#include <linux/ip.h> -#include <linux/in.h> -#include <linux/if.h> -#include <linux/icmp.h> -#include <linux/tcp.h> -#include <linux/udp.h> -#include <linux/types.h> -#include <linux/in6.h> -#endif #endif diff --git a/include/linux/filter.h b/include/linux/filter.h new file mode 100644 index 00000000..a9ae93c0 --- /dev/null +++ b/include/linux/filter.h @@ -0,0 +1,139 @@ +/* + * Linux Socket Filter Data Structures + */ + +#ifndef __LINUX_FILTER_H__ +#define __LINUX_FILTER_H__ + + +#include <linux/types.h> + + +/* + * Current version of the filter code architecture. + */ +#define BPF_MAJOR_VERSION 1 +#define BPF_MINOR_VERSION 1 + +/* + * Try and keep these values and structures similar to BSD, especially + * the BPF code definitions which need to match so you can share filters + */ + +struct sock_filter { /* Filter block */ + __u16 code; /* Actual filter code */ + __u8 jt; /* Jump true */ + __u8 jf; /* Jump false */ + __u32 k; /* Generic multiuse field */ +}; + +struct sock_fprog { /* Required for SO_ATTACH_FILTER. */ + unsigned short len; /* Number of filter blocks */ + struct sock_filter *filter; +}; + +/* + * Instruction classes + */ + +#define BPF_CLASS(code) ((code) & 0x07) +#define BPF_LD 0x00 +#define BPF_LDX 0x01 +#define BPF_ST 0x02 +#define BPF_STX 0x03 +#define BPF_ALU 0x04 +#define BPF_JMP 0x05 +#define BPF_RET 0x06 +#define BPF_MISC 0x07 + +/* ld/ldx fields */ +#define BPF_SIZE(code) ((code) & 0x18) +#define BPF_W 0x00 +#define BPF_H 0x08 +#define BPF_B 0x10 +#define BPF_MODE(code) ((code) & 0xe0) +#define BPF_IMM 0x00 +#define BPF_ABS 0x20 +#define BPF_IND 0x40 +#define BPF_MEM 0x60 +#define BPF_LEN 0x80 +#define BPF_MSH 0xa0 + +/* alu/jmp fields */ +#define BPF_OP(code) ((code) & 0xf0) +#define BPF_ADD 0x00 +#define BPF_SUB 0x10 +#define BPF_MUL 0x20 +#define BPF_DIV 0x30 +#define BPF_OR 0x40 +#define BPF_AND 0x50 +#define BPF_LSH 0x60 +#define BPF_RSH 0x70 +#define BPF_NEG 0x80 +#define BPF_MOD 0x90 +#define BPF_XOR 0xa0 + +#define BPF_JA 0x00 +#define BPF_JEQ 0x10 +#define BPF_JGT 0x20 +#define BPF_JGE 0x30 +#define BPF_JSET 0x40 +#define BPF_SRC(code) ((code) & 0x08) +#define BPF_K 0x00 +#define BPF_X 0x08 + +/* ret - BPF_K and BPF_X also apply */ +#define BPF_RVAL(code) ((code) & 0x18) +#define BPF_A 0x10 + +/* misc */ +#define BPF_MISCOP(code) ((code) & 0xf8) +#define BPF_TAX 0x00 +#define BPF_TXA 0x80 + +#ifndef BPF_MAXINSNS +#define BPF_MAXINSNS 4096 +#endif + +/* + * Macros for filter block array initializers. + */ +#ifndef BPF_STMT +#define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k } +#endif +#ifndef BPF_JUMP +#define BPF_JUMP(code, k, jt, jf) { (unsigned short)(code), jt, jf, k } +#endif + +/* + * Number of scratch memory words for: BPF_ST and BPF_STX + */ +#define BPF_MEMWORDS 16 + +/* RATIONALE. Negative offsets are invalid in BPF. + We use them to reference ancillary data. + Unlike introduction new instructions, it does not break + existing compilers/optimizers. + */ +#define SKF_AD_OFF (-0x1000) +#define SKF_AD_PROTOCOL 0 +#define SKF_AD_PKTTYPE 4 +#define SKF_AD_IFINDEX 8 +#define SKF_AD_NLATTR 12 +#define SKF_AD_NLATTR_NEST 16 +#define SKF_AD_MARK 20 +#define SKF_AD_QUEUE 24 +#define SKF_AD_HATYPE 28 +#define SKF_AD_RXHASH 32 +#define SKF_AD_CPU 36 +#define SKF_AD_ALU_XOR_X 40 +#define SKF_AD_VLAN_TAG 44 +#define SKF_AD_VLAN_TAG_PRESENT 48 +#define SKF_AD_PAY_OFFSET 52 +#define SKF_AD_RANDOM 56 +#define SKF_AD_MAX 60 +#define SKF_NET_OFF (-0x100000) +#define SKF_LL_OFF (-0x200000) + + +#endif /* __LINUX_FILTER_H__ */ diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index eb9123e6..b69bbc72 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -110,6 +110,9 @@ enum { IPSET_ATTR_IFACE, IPSET_ATTR_BYTES, IPSET_ATTR_PACKETS, + IPSET_ATTR_SKBMARK, + IPSET_ATTR_SKBPRIO, + IPSET_ATTR_SKBQUEUE, __IPSET_ATTR_ADT_MAX, }; #define IPSET_ATTR_ADT_MAX (__IPSET_ATTR_ADT_MAX - 1) @@ -140,6 +143,7 @@ enum ipset_errno { IPSET_ERR_IPADDR_IPV4, IPSET_ERR_IPADDR_IPV6, IPSET_ERR_COUNTER, + IPSET_ERR_SKBINFO, /* Type specific error codes */ IPSET_ERR_TYPE_SPECIFIC = 4352, @@ -163,6 +167,12 @@ enum ipset_cmd_flags { IPSET_FLAG_MATCH_COUNTERS = (1 << IPSET_FLAG_BIT_MATCH_COUNTERS), IPSET_FLAG_BIT_RETURN_NOMATCH = 7, IPSET_FLAG_RETURN_NOMATCH = (1 << IPSET_FLAG_BIT_RETURN_NOMATCH), + IPSET_FLAG_BIT_MAP_SKBMARK = 8, + IPSET_FLAG_MAP_SKBMARK = (1 << IPSET_FLAG_BIT_MAP_SKBMARK), + IPSET_FLAG_BIT_MAP_SKBPRIO = 9, + IPSET_FLAG_MAP_SKBPRIO = (1 << IPSET_FLAG_BIT_MAP_SKBPRIO), + IPSET_FLAG_BIT_MAP_SKBQUEUE = 10, + IPSET_FLAG_MAP_SKBQUEUE = (1 << IPSET_FLAG_BIT_MAP_SKBQUEUE), IPSET_FLAG_CMD_MAX = 15, }; @@ -226,11 +236,17 @@ enum { IPSET_COUNTER_GT, }; -struct ip_set_counter_match { +/* Backward compatibility for set match v3 */ +struct ip_set_counter_match0 { __u8 op; __u64 value; }; +struct ip_set_counter_match { + __aligned_u64 value; + __u8 op; +}; + /* Interface to iptables/ip6tables */ #define SO_IP_SET 83 @@ -250,6 +266,15 @@ struct ip_set_req_get_set { #define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */ /* Uses ip_set_req_get_set */ +#define IP_SET_OP_GET_FNAME 0x00000008 /* Get set index and family */ +struct ip_set_req_get_set_family { + unsigned int op; + unsigned int version; + unsigned int family; + union ip_set_name_index set; +}; + + #define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */ struct ip_set_req_version { unsigned int op; diff --git a/include/linux/netfilter/nf_nat.h b/include/linux/netfilter/nf_nat.h index bf0cc373..1ad36591 100644 --- a/include/linux/netfilter/nf_nat.h +++ b/include/linux/netfilter/nf_nat.h @@ -4,10 +4,14 @@ #include <linux/netfilter.h> #include <linux/netfilter/nf_conntrack_tuple_common.h> -#define NF_NAT_RANGE_MAP_IPS 1 -#define NF_NAT_RANGE_PROTO_SPECIFIED 2 -#define NF_NAT_RANGE_PROTO_RANDOM 4 -#define NF_NAT_RANGE_PERSISTENT 8 +#define NF_NAT_RANGE_MAP_IPS (1 << 0) +#define NF_NAT_RANGE_PROTO_SPECIFIED (1 << 1) +#define NF_NAT_RANGE_PROTO_RANDOM (1 << 2) +#define NF_NAT_RANGE_PERSISTENT (1 << 3) +#define NF_NAT_RANGE_PROTO_RANDOM_FULLY (1 << 4) + +#define NF_NAT_RANGE_PROTO_RANDOM_ALL \ + (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY) struct nf_nat_ipv4_range { unsigned int flags; diff --git a/include/linux/netfilter/nf_tables.h b/include/linux/netfilter/nf_tables.h new file mode 100644 index 00000000..801bdd1e --- /dev/null +++ b/include/linux/netfilter/nf_tables.h @@ -0,0 +1,793 @@ +#ifndef _LINUX_NF_TABLES_H +#define _LINUX_NF_TABLES_H + +#define NFT_CHAIN_MAXNAMELEN 32 +#define NFT_USERDATA_MAXLEN 256 + +enum nft_registers { + NFT_REG_VERDICT, + NFT_REG_1, + NFT_REG_2, + NFT_REG_3, + NFT_REG_4, + __NFT_REG_MAX +}; +#define NFT_REG_MAX (__NFT_REG_MAX - 1) + +/** + * enum nft_verdicts - nf_tables internal verdicts + * + * @NFT_CONTINUE: continue evaluation of the current rule + * @NFT_BREAK: terminate evaluation of the current rule + * @NFT_JUMP: push the current chain on the jump stack and jump to a chain + * @NFT_GOTO: jump to a chain without pushing the current chain on the jump stack + * @NFT_RETURN: return to the topmost chain on the jump stack + * + * The nf_tables verdicts share their numeric space with the netfilter verdicts. + */ +enum nft_verdicts { + NFT_CONTINUE = -1, + NFT_BREAK = -2, + NFT_JUMP = -3, + NFT_GOTO = -4, + NFT_RETURN = -5, +}; + +/** + * enum nf_tables_msg_types - nf_tables netlink message types + * + * @NFT_MSG_NEWTABLE: create a new table (enum nft_table_attributes) + * @NFT_MSG_GETTABLE: get a table (enum nft_table_attributes) + * @NFT_MSG_DELTABLE: delete a table (enum nft_table_attributes) + * @NFT_MSG_NEWCHAIN: create a new chain (enum nft_chain_attributes) + * @NFT_MSG_GETCHAIN: get a chain (enum nft_chain_attributes) + * @NFT_MSG_DELCHAIN: delete a chain (enum nft_chain_attributes) + * @NFT_MSG_NEWRULE: create a new rule (enum nft_rule_attributes) + * @NFT_MSG_GETRULE: get a rule (enum nft_rule_attributes) + * @NFT_MSG_DELRULE: delete a rule (enum nft_rule_attributes) + * @NFT_MSG_NEWSET: create a new set (enum nft_set_attributes) + * @NFT_MSG_GETSET: get a set (enum nft_set_attributes) + * @NFT_MSG_DELSET: delete a set (enum nft_set_attributes) + * @NFT_MSG_NEWSETELEM: create a new set element (enum nft_set_elem_attributes) + * @NFT_MSG_GETSETELEM: get a set element (enum nft_set_elem_attributes) + * @NFT_MSG_DELSETELEM: delete a set element (enum nft_set_elem_attributes) + */ +enum nf_tables_msg_types { + NFT_MSG_NEWTABLE, + NFT_MSG_GETTABLE, + NFT_MSG_DELTABLE, + NFT_MSG_NEWCHAIN, + NFT_MSG_GETCHAIN, + NFT_MSG_DELCHAIN, + NFT_MSG_NEWRULE, + NFT_MSG_GETRULE, + NFT_MSG_DELRULE, + NFT_MSG_NEWSET, + NFT_MSG_GETSET, + NFT_MSG_DELSET, + NFT_MSG_NEWSETELEM, + NFT_MSG_GETSETELEM, + NFT_MSG_DELSETELEM, + NFT_MSG_MAX, +}; + +/** + * enum nft_list_attributes - nf_tables generic list netlink attributes + * + * @NFTA_LIST_ELEM: list element (NLA_NESTED) + */ +enum nft_list_attributes { + NFTA_LIST_UNPEC, + NFTA_LIST_ELEM, + __NFTA_LIST_MAX +}; +#define NFTA_LIST_MAX (__NFTA_LIST_MAX - 1) + +/** + * enum nft_hook_attributes - nf_tables netfilter hook netlink attributes + * + * @NFTA_HOOK_HOOKNUM: netfilter hook number (NLA_U32) + * @NFTA_HOOK_PRIORITY: netfilter hook priority (NLA_U32) + */ +enum nft_hook_attributes { + NFTA_HOOK_UNSPEC, + NFTA_HOOK_HOOKNUM, + NFTA_HOOK_PRIORITY, + __NFTA_HOOK_MAX +}; +#define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1) + +/** + * enum nft_table_flags - nf_tables table flags + * + * @NFT_TABLE_F_DORMANT: this table is not active + */ +enum nft_table_flags { + NFT_TABLE_F_DORMANT = 0x1, +}; + +/** + * enum nft_table_attributes - nf_tables table netlink attributes + * + * @NFTA_TABLE_NAME: name of the table (NLA_STRING) + * @NFTA_TABLE_FLAGS: bitmask of enum nft_table_flags (NLA_U32) + * @NFTA_TABLE_USE: number of chains in this table (NLA_U32) + */ +enum nft_table_attributes { + NFTA_TABLE_UNSPEC, + NFTA_TABLE_NAME, + NFTA_TABLE_FLAGS, + NFTA_TABLE_USE, + __NFTA_TABLE_MAX +}; +#define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1) + +/** + * enum nft_chain_attributes - nf_tables chain netlink attributes + * + * @NFTA_CHAIN_TABLE: name of the table containing the chain (NLA_STRING) + * @NFTA_CHAIN_HANDLE: numeric handle of the chain (NLA_U64) + * @NFTA_CHAIN_NAME: name of the chain (NLA_STRING) + * @NFTA_CHAIN_HOOK: hook specification for basechains (NLA_NESTED: nft_hook_attributes) + * @NFTA_CHAIN_POLICY: numeric policy of the chain (NLA_U32) + * @NFTA_CHAIN_USE: number of references to this chain (NLA_U32) + * @NFTA_CHAIN_TYPE: type name of the string (NLA_NUL_STRING) + * @NFTA_CHAIN_COUNTERS: counter specification of the chain (NLA_NESTED: nft_counter_attributes) + */ +enum nft_chain_attributes { + NFTA_CHAIN_UNSPEC, + NFTA_CHAIN_TABLE, + NFTA_CHAIN_HANDLE, + NFTA_CHAIN_NAME, + NFTA_CHAIN_HOOK, + NFTA_CHAIN_POLICY, + NFTA_CHAIN_USE, + NFTA_CHAIN_TYPE, + NFTA_CHAIN_COUNTERS, + __NFTA_CHAIN_MAX +}; +#define NFTA_CHAIN_MAX (__NFTA_CHAIN_MAX - 1) + +/** + * enum nft_rule_attributes - nf_tables rule netlink attributes + * + * @NFTA_RULE_TABLE: name of the table containing the rule (NLA_STRING) + * @NFTA_RULE_CHAIN: name of the chain containing the rule (NLA_STRING) + * @NFTA_RULE_HANDLE: numeric handle of the rule (NLA_U64) + * @NFTA_RULE_EXPRESSIONS: list of expressions (NLA_NESTED: nft_expr_attributes) + * @NFTA_RULE_COMPAT: compatibility specifications of the rule (NLA_NESTED: nft_rule_compat_attributes) + * @NFTA_RULE_POSITION: numeric handle of the previous rule (NLA_U64) + * @NFTA_RULE_USERDATA: user data (NLA_BINARY, NFT_USERDATA_MAXLEN) + */ +enum nft_rule_attributes { + NFTA_RULE_UNSPEC, + NFTA_RULE_TABLE, + NFTA_RULE_CHAIN, + NFTA_RULE_HANDLE, + NFTA_RULE_EXPRESSIONS, + NFTA_RULE_COMPAT, + NFTA_RULE_POSITION, + NFTA_RULE_USERDATA, + __NFTA_RULE_MAX +}; +#define NFTA_RULE_MAX (__NFTA_RULE_MAX - 1) + +/** + * enum nft_rule_compat_flags - nf_tables rule compat flags + * + * @NFT_RULE_COMPAT_F_INV: invert the check result + */ +enum nft_rule_compat_flags { + NFT_RULE_COMPAT_F_INV = (1 << 1), + NFT_RULE_COMPAT_F_MASK = NFT_RULE_COMPAT_F_INV, +}; + +/** + * enum nft_rule_compat_attributes - nf_tables rule compat attributes + * + * @NFTA_RULE_COMPAT_PROTO: numerice value of handled protocol (NLA_U32) + * @NFTA_RULE_COMPAT_FLAGS: bitmask of enum nft_rule_compat_flags (NLA_U32) + */ +enum nft_rule_compat_attributes { + NFTA_RULE_COMPAT_UNSPEC, + NFTA_RULE_COMPAT_PROTO, + NFTA_RULE_COMPAT_FLAGS, + __NFTA_RULE_COMPAT_MAX +}; +#define NFTA_RULE_COMPAT_MAX (__NFTA_RULE_COMPAT_MAX - 1) + +/** + * enum nft_set_flags - nf_tables set flags + * + * @NFT_SET_ANONYMOUS: name allocation, automatic cleanup on unlink + * @NFT_SET_CONSTANT: set contents may not change while bound + * @NFT_SET_INTERVAL: set contains intervals + * @NFT_SET_MAP: set is used as a dictionary + */ +enum nft_set_flags { + NFT_SET_ANONYMOUS = 0x1, + NFT_SET_CONSTANT = 0x2, + NFT_SET_INTERVAL = 0x4, + NFT_SET_MAP = 0x8, +}; + +/** + * enum nft_set_policies - set selection policy + * + * @NFT_SET_POL_PERFORMANCE: prefer high performance over low memory use + * @NFT_SET_POL_MEMORY: prefer low memory use over high performance + */ +enum nft_set_policies { + NFT_SET_POL_PERFORMANCE, + NFT_SET_POL_MEMORY, +}; + +/** + * enum nft_set_desc_attributes - set element description + * + * @NFTA_SET_DESC_SIZE: number of elements in set (NLA_U32) + */ +enum nft_set_desc_attributes { + NFTA_SET_DESC_UNSPEC, + NFTA_SET_DESC_SIZE, + __NFTA_SET_DESC_MAX +}; +#define NFTA_SET_DESC_MAX (__NFTA_SET_DESC_MAX - 1) + +/** + * enum nft_set_attributes - nf_tables set netlink attributes + * + * @NFTA_SET_TABLE: table name (NLA_STRING) + * @NFTA_SET_NAME: set name (NLA_STRING) + * @NFTA_SET_FLAGS: bitmask of enum nft_set_flags (NLA_U32) + * @NFTA_SET_KEY_TYPE: key data type, informational purpose only (NLA_U32) + * @NFTA_SET_KEY_LEN: key data length (NLA_U32) + * @NFTA_SET_DATA_TYPE: mapping data type (NLA_U32) + * @NFTA_SET_DATA_LEN: mapping data length (NLA_U32) + * @NFTA_SET_POLICY: selection policy (NLA_U32) + * @NFTA_SET_DESC: set description (NLA_NESTED) + * @NFTA_SET_ID: uniquely identifies a set in a transaction (NLA_U32) + */ +enum nft_set_attributes { + NFTA_SET_UNSPEC, + NFTA_SET_TABLE, + NFTA_SET_NAME, + NFTA_SET_FLAGS, + NFTA_SET_KEY_TYPE, + NFTA_SET_KEY_LEN, + NFTA_SET_DATA_TYPE, + NFTA_SET_DATA_LEN, + NFTA_SET_POLICY, + NFTA_SET_DESC, + NFTA_SET_ID, + __NFTA_SET_MAX +}; +#define NFTA_SET_MAX (__NFTA_SET_MAX - 1) + +/** + * enum nft_set_elem_flags - nf_tables set element flags + * + * @NFT_SET_ELEM_INTERVAL_END: element ends the previous interval + */ +enum nft_set_elem_flags { + NFT_SET_ELEM_INTERVAL_END = 0x1, +}; + +/** + * enum nft_set_elem_attributes - nf_tables set element netlink attributes + * + * @NFTA_SET_ELEM_KEY: key value (NLA_NESTED: nft_data) + * @NFTA_SET_ELEM_DATA: data value of mapping (NLA_NESTED: nft_data_attributes) + * @NFTA_SET_ELEM_FLAGS: bitmask of nft_set_elem_flags (NLA_U32) + */ +enum nft_set_elem_attributes { + NFTA_SET_ELEM_UNSPEC, + NFTA_SET_ELEM_KEY, + NFTA_SET_ELEM_DATA, + NFTA_SET_ELEM_FLAGS, + __NFTA_SET_ELEM_MAX +}; +#define NFTA_SET_ELEM_MAX (__NFTA_SET_ELEM_MAX - 1) + +/** + * enum nft_set_elem_list_attributes - nf_tables set element list netlink attributes + * + * @NFTA_SET_ELEM_LIST_TABLE: table of the set to be changed (NLA_STRING) + * @NFTA_SET_ELEM_LIST_SET: name of the set to be changed (NLA_STRING) + * @NFTA_SET_ELEM_LIST_ELEMENTS: list of set elements (NLA_NESTED: nft_set_elem_attributes) + * @NFTA_SET_ELEM_LIST_SET_ID: uniquely identifies a set in a transaction (NLA_U32) + */ +enum nft_set_elem_list_attributes { + NFTA_SET_ELEM_LIST_UNSPEC, + NFTA_SET_ELEM_LIST_TABLE, + NFTA_SET_ELEM_LIST_SET, + NFTA_SET_ELEM_LIST_ELEMENTS, + NFTA_SET_ELEM_LIST_SET_ID, + __NFTA_SET_ELEM_LIST_MAX +}; +#define NFTA_SET_ELEM_LIST_MAX (__NFTA_SET_ELEM_LIST_MAX - 1) + +/** + * enum nft_data_types - nf_tables data types + * + * @NFT_DATA_VALUE: generic data + * @NFT_DATA_VERDICT: netfilter verdict + * + * The type of data is usually determined by the kernel directly and is not + * explicitly specified by userspace. The only difference are sets, where + * userspace specifies the key and mapping data types. + * + * The values 0xffffff00-0xffffffff are reserved for internally used types. + * The remaining range can be freely used by userspace to encode types, all + * values are equivalent to NFT_DATA_VALUE. + */ +enum nft_data_types { + NFT_DATA_VALUE, + NFT_DATA_VERDICT = 0xffffff00U, +}; + +#define NFT_DATA_RESERVED_MASK 0xffffff00U + +/** + * enum nft_data_attributes - nf_tables data netlink attributes + * + * @NFTA_DATA_VALUE: generic data (NLA_BINARY) + * @NFTA_DATA_VERDICT: nf_tables verdict (NLA_NESTED: nft_verdict_attributes) + */ +enum nft_data_attributes { + NFTA_DATA_UNSPEC, + NFTA_DATA_VALUE, + NFTA_DATA_VERDICT, + __NFTA_DATA_MAX +}; +#define NFTA_DATA_MAX (__NFTA_DATA_MAX - 1) + +/** + * enum nft_verdict_attributes - nf_tables verdict netlink attributes + * + * @NFTA_VERDICT_CODE: nf_tables verdict (NLA_U32: enum nft_verdicts) + * @NFTA_VERDICT_CHAIN: jump target chain name (NLA_STRING) + */ +enum nft_verdict_attributes { + NFTA_VERDICT_UNSPEC, + NFTA_VERDICT_CODE, + NFTA_VERDICT_CHAIN, + __NFTA_VERDICT_MAX +}; +#define NFTA_VERDICT_MAX (__NFTA_VERDICT_MAX - 1) + +/** + * enum nft_expr_attributes - nf_tables expression netlink attributes + * + * @NFTA_EXPR_NAME: name of the expression type (NLA_STRING) + * @NFTA_EXPR_DATA: type specific data (NLA_NESTED) + */ +enum nft_expr_attributes { + NFTA_EXPR_UNSPEC, + NFTA_EXPR_NAME, + NFTA_EXPR_DATA, + __NFTA_EXPR_MAX +}; +#define NFTA_EXPR_MAX (__NFTA_EXPR_MAX - 1) + +/** + * enum nft_immediate_attributes - nf_tables immediate expression netlink attributes + * + * @NFTA_IMMEDIATE_DREG: destination register to load data into (NLA_U32) + * @NFTA_IMMEDIATE_DATA: data to load (NLA_NESTED: nft_data_attributes) + */ +enum nft_immediate_attributes { + NFTA_IMMEDIATE_UNSPEC, + NFTA_IMMEDIATE_DREG, + NFTA_IMMEDIATE_DATA, + __NFTA_IMMEDIATE_MAX +}; +#define NFTA_IMMEDIATE_MAX (__NFTA_IMMEDIATE_MAX - 1) + +/** + * enum nft_bitwise_attributes - nf_tables bitwise expression netlink attributes + * + * @NFTA_BITWISE_SREG: source register (NLA_U32: nft_registers) + * @NFTA_BITWISE_DREG: destination register (NLA_U32: nft_registers) + * @NFTA_BITWISE_LEN: length of operands (NLA_U32) + * @NFTA_BITWISE_MASK: mask value (NLA_NESTED: nft_data_attributes) + * @NFTA_BITWISE_XOR: xor value (NLA_NESTED: nft_data_attributes) + * + * The bitwise expression performs the following operation: + * + * dreg = (sreg & mask) ^ xor + * + * which allow to express all bitwise operations: + * + * mask xor + * NOT: 1 1 + * OR: 0 x + * XOR: 1 x + * AND: x 0 + */ +enum nft_bitwise_attributes { + NFTA_BITWISE_UNSPEC, + NFTA_BITWISE_SREG, + NFTA_BITWISE_DREG, + NFTA_BITWISE_LEN, + NFTA_BITWISE_MASK, + NFTA_BITWISE_XOR, + __NFTA_BITWISE_MAX +}; +#define NFTA_BITWISE_MAX (__NFTA_BITWISE_MAX - 1) + +/** + * enum nft_byteorder_ops - nf_tables byteorder operators + * + * @NFT_BYTEORDER_NTOH: network to host operator + * @NFT_BYTEORDER_HTON: host to network opertaor + */ +enum nft_byteorder_ops { + NFT_BYTEORDER_NTOH, + NFT_BYTEORDER_HTON, +}; + +/** + * enum nft_byteorder_attributes - nf_tables byteorder expression netlink attributes + * + * @NFTA_BYTEORDER_SREG: source register (NLA_U32: nft_registers) + * @NFTA_BYTEORDER_DREG: destination register (NLA_U32: nft_registers) + * @NFTA_BYTEORDER_OP: operator (NLA_U32: enum nft_byteorder_ops) + * @NFTA_BYTEORDER_LEN: length of the data (NLA_U32) + * @NFTA_BYTEORDER_SIZE: data size in bytes (NLA_U32: 2 or 4) + */ +enum nft_byteorder_attributes { + NFTA_BYTEORDER_UNSPEC, + NFTA_BYTEORDER_SREG, + NFTA_BYTEORDER_DREG, + NFTA_BYTEORDER_OP, + NFTA_BYTEORDER_LEN, + NFTA_BYTEORDER_SIZE, + __NFTA_BYTEORDER_MAX +}; +#define NFTA_BYTEORDER_MAX (__NFTA_BYTEORDER_MAX - 1) + +/** + * enum nft_cmp_ops - nf_tables relational operator + * + * @NFT_CMP_EQ: equal + * @NFT_CMP_NEQ: not equal + * @NFT_CMP_LT: less than + * @NFT_CMP_LTE: less than or equal to + * @NFT_CMP_GT: greater than + * @NFT_CMP_GTE: greater than or equal to + */ +enum nft_cmp_ops { + NFT_CMP_EQ, + NFT_CMP_NEQ, + NFT_CMP_LT, + NFT_CMP_LTE, + NFT_CMP_GT, + NFT_CMP_GTE, +}; + +/** + * enum nft_cmp_attributes - nf_tables cmp expression netlink attributes + * + * @NFTA_CMP_SREG: source register of data to compare (NLA_U32: nft_registers) + * @NFTA_CMP_OP: cmp operation (NLA_U32: nft_cmp_ops) + * @NFTA_CMP_DATA: data to compare against (NLA_NESTED: nft_data_attributes) + */ +enum nft_cmp_attributes { + NFTA_CMP_UNSPEC, + NFTA_CMP_SREG, + NFTA_CMP_OP, + NFTA_CMP_DATA, + __NFTA_CMP_MAX +}; +#define NFTA_CMP_MAX (__NFTA_CMP_MAX - 1) + +/** + * enum nft_lookup_attributes - nf_tables set lookup expression netlink attributes + * + * @NFTA_LOOKUP_SET: name of the set where to look for (NLA_STRING) + * @NFTA_LOOKUP_SREG: source register of the data to look for (NLA_U32: nft_registers) + * @NFTA_LOOKUP_DREG: destination register (NLA_U32: nft_registers) + * @NFTA_LOOKUP_SET_ID: uniquely identifies a set in a transaction (NLA_U32) + */ +enum nft_lookup_attributes { + NFTA_LOOKUP_UNSPEC, + NFTA_LOOKUP_SET, + NFTA_LOOKUP_SREG, + NFTA_LOOKUP_DREG, + NFTA_LOOKUP_SET_ID, + __NFTA_LOOKUP_MAX +}; +#define NFTA_LOOKUP_MAX (__NFTA_LOOKUP_MAX - 1) + +/** + * enum nft_payload_bases - nf_tables payload expression offset bases + * + * @NFT_PAYLOAD_LL_HEADER: link layer header + * @NFT_PAYLOAD_NETWORK_HEADER: network header + * @NFT_PAYLOAD_TRANSPORT_HEADER: transport header + */ +enum nft_payload_bases { + NFT_PAYLOAD_LL_HEADER, + NFT_PAYLOAD_NETWORK_HEADER, + NFT_PAYLOAD_TRANSPORT_HEADER, +}; + +/** + * enum nft_payload_attributes - nf_tables payload expression netlink attributes + * + * @NFTA_PAYLOAD_DREG: destination register to load data into (NLA_U32: nft_registers) + * @NFTA_PAYLOAD_BASE: payload base (NLA_U32: nft_payload_bases) + * @NFTA_PAYLOAD_OFFSET: payload offset relative to base (NLA_U32) + * @NFTA_PAYLOAD_LEN: payload length (NLA_U32) + */ +enum nft_payload_attributes { + NFTA_PAYLOAD_UNSPEC, + NFTA_PAYLOAD_DREG, + NFTA_PAYLOAD_BASE, + NFTA_PAYLOAD_OFFSET, + NFTA_PAYLOAD_LEN, + __NFTA_PAYLOAD_MAX +}; +#define NFTA_PAYLOAD_MAX (__NFTA_PAYLOAD_MAX - 1) + +/** + * enum nft_exthdr_attributes - nf_tables IPv6 extension header expression netlink attributes + * + * @NFTA_EXTHDR_DREG: destination register (NLA_U32: nft_registers) + * @NFTA_EXTHDR_TYPE: extension header type (NLA_U8) + * @NFTA_EXTHDR_OFFSET: extension header offset (NLA_U32) + * @NFTA_EXTHDR_LEN: extension header length (NLA_U32) + */ +enum nft_exthdr_attributes { + NFTA_EXTHDR_UNSPEC, + NFTA_EXTHDR_DREG, + NFTA_EXTHDR_TYPE, + NFTA_EXTHDR_OFFSET, + NFTA_EXTHDR_LEN, + __NFTA_EXTHDR_MAX +}; +#define NFTA_EXTHDR_MAX (__NFTA_EXTHDR_MAX - 1) + +/** + * enum nft_meta_keys - nf_tables meta expression keys + * + * @NFT_META_LEN: packet length (skb->len) + * @NFT_META_PROTOCOL: packet ethertype protocol (skb->protocol), invalid in OUTPUT + * @NFT_META_PRIORITY: packet priority (skb->priority) + * @NFT_META_MARK: packet mark (skb->mark) + * @NFT_META_IIF: packet input interface index (dev->ifindex) + * @NFT_META_OIF: packet output interface index (dev->ifindex) + * @NFT_META_IIFNAME: packet input interface name (dev->name) + * @NFT_META_OIFNAME: packet output interface name (dev->name) + * @NFT_META_IIFTYPE: packet input interface type (dev->type) + * @NFT_META_OIFTYPE: packet output interface type (dev->type) + * @NFT_META_SKUID: originating socket UID (fsuid) + * @NFT_META_SKGID: originating socket GID (fsgid) + * @NFT_META_NFTRACE: packet nftrace bit + * @NFT_META_RTCLASSID: realm value of packet's route (skb->dst->tclassid) + * @NFT_META_SECMARK: packet secmark (skb->secmark) + * @NFT_META_NFPROTO: netfilter protocol + * @NFT_META_L4PROTO: layer 4 protocol number + * @NFT_META_BRI_IIFNAME: packet input bridge interface name + * @NFT_META_BRI_OIFNAME: packet output bridge interface name + */ +enum nft_meta_keys { + NFT_META_LEN, + NFT_META_PROTOCOL, + NFT_META_PRIORITY, + NFT_META_MARK, + NFT_META_IIF, + NFT_META_OIF, + NFT_META_IIFNAME, + NFT_META_OIFNAME, + NFT_META_IIFTYPE, + NFT_META_OIFTYPE, + NFT_META_SKUID, + NFT_META_SKGID, + NFT_META_NFTRACE, + NFT_META_RTCLASSID, + NFT_META_SECMARK, + NFT_META_NFPROTO, + NFT_META_L4PROTO, + NFT_META_BRI_IIFNAME, + NFT_META_BRI_OIFNAME, +}; + +/** + * enum nft_meta_attributes - nf_tables meta expression netlink attributes + * + * @NFTA_META_DREG: destination register (NLA_U32) + * @NFTA_META_KEY: meta data item to load (NLA_U32: nft_meta_keys) + * @NFTA_META_SREG: source register (NLA_U32) + */ +enum nft_meta_attributes { + NFTA_META_UNSPEC, + NFTA_META_DREG, + NFTA_META_KEY, + NFTA_META_SREG, + __NFTA_META_MAX +}; +#define NFTA_META_MAX (__NFTA_META_MAX - 1) + +/** + * enum nft_ct_keys - nf_tables ct expression keys + * + * @NFT_CT_STATE: conntrack state (bitmask of enum ip_conntrack_info) + * @NFT_CT_DIRECTION: conntrack direction (enum ip_conntrack_dir) + * @NFT_CT_STATUS: conntrack status (bitmask of enum ip_conntrack_status) + * @NFT_CT_MARK: conntrack mark value + * @NFT_CT_SECMARK: conntrack secmark value + * @NFT_CT_EXPIRATION: relative conntrack expiration time in ms + * @NFT_CT_HELPER: connection tracking helper assigned to conntrack + * @NFT_CT_L3PROTOCOL: conntrack layer 3 protocol + * @NFT_CT_SRC: conntrack layer 3 protocol source (IPv4/IPv6 address) + * @NFT_CT_DST: conntrack layer 3 protocol destination (IPv4/IPv6 address) + * @NFT_CT_PROTOCOL: conntrack layer 4 protocol + * @NFT_CT_PROTO_SRC: conntrack layer 4 protocol source + * @NFT_CT_PROTO_DST: conntrack layer 4 protocol destination + */ +enum nft_ct_keys { + NFT_CT_STATE, + NFT_CT_DIRECTION, + NFT_CT_STATUS, + NFT_CT_MARK, + NFT_CT_SECMARK, + NFT_CT_EXPIRATION, + NFT_CT_HELPER, + NFT_CT_L3PROTOCOL, + NFT_CT_SRC, + NFT_CT_DST, + NFT_CT_PROTOCOL, + NFT_CT_PROTO_SRC, + NFT_CT_PROTO_DST, + NFT_CT_LABELS, +}; + +/** + * enum nft_ct_attributes - nf_tables ct expression netlink attributes + * + * @NFTA_CT_DREG: destination register (NLA_U32) + * @NFTA_CT_KEY: conntrack data item to load (NLA_U32: nft_ct_keys) + * @NFTA_CT_DIRECTION: direction in case of directional keys (NLA_U8) + * @NFTA_CT_SREG: source register (NLA_U32) + */ +enum nft_ct_attributes { + NFTA_CT_UNSPEC, + NFTA_CT_DREG, + NFTA_CT_KEY, + NFTA_CT_DIRECTION, + NFTA_CT_SREG, + __NFTA_CT_MAX +}; +#define NFTA_CT_MAX (__NFTA_CT_MAX - 1) + +/** + * enum nft_limit_attributes - nf_tables limit expression netlink attributes + * + * @NFTA_LIMIT_RATE: refill rate (NLA_U64) + * @NFTA_LIMIT_UNIT: refill unit (NLA_U64) + */ +enum nft_limit_attributes { + NFTA_LIMIT_UNSPEC, + NFTA_LIMIT_RATE, + NFTA_LIMIT_UNIT, + __NFTA_LIMIT_MAX +}; +#define NFTA_LIMIT_MAX (__NFTA_LIMIT_MAX - 1) + +/** + * enum nft_counter_attributes - nf_tables counter expression netlink attributes + * + * @NFTA_COUNTER_BYTES: number of bytes (NLA_U64) + * @NFTA_COUNTER_PACKETS: number of packets (NLA_U64) + */ +enum nft_counter_attributes { + NFTA_COUNTER_UNSPEC, + NFTA_COUNTER_BYTES, + NFTA_COUNTER_PACKETS, + __NFTA_COUNTER_MAX +}; +#define NFTA_COUNTER_MAX (__NFTA_COUNTER_MAX - 1) + +/** + * enum nft_log_attributes - nf_tables log expression netlink attributes + * + * @NFTA_LOG_GROUP: netlink group to send messages to (NLA_U32) + * @NFTA_LOG_PREFIX: prefix to prepend to log messages (NLA_STRING) + * @NFTA_LOG_SNAPLEN: length of payload to include in netlink message (NLA_U32) + * @NFTA_LOG_QTHRESHOLD: queue threshold (NLA_U32) + * @NFTA_LOG_LEVEL: log level (NLA_U32) + * @NFTA_LOG_FLAGS: logging flags (NLA_U32) + */ +enum nft_log_attributes { + NFTA_LOG_UNSPEC, + NFTA_LOG_GROUP, + NFTA_LOG_PREFIX, + NFTA_LOG_SNAPLEN, + NFTA_LOG_QTHRESHOLD, + NFTA_LOG_LEVEL, + NFTA_LOG_FLAGS, + __NFTA_LOG_MAX +}; +#define NFTA_LOG_MAX (__NFTA_LOG_MAX - 1) + +/** + * enum nft_queue_attributes - nf_tables queue expression netlink attributes + * + * @NFTA_QUEUE_NUM: netlink queue to send messages to (NLA_U16) + * @NFTA_QUEUE_TOTAL: number of queues to load balance packets on (NLA_U16) + * @NFTA_QUEUE_FLAGS: various flags (NLA_U16) + */ +enum nft_queue_attributes { + NFTA_QUEUE_UNSPEC, + NFTA_QUEUE_NUM, + NFTA_QUEUE_TOTAL, + NFTA_QUEUE_FLAGS, + __NFTA_QUEUE_MAX +}; +#define NFTA_QUEUE_MAX (__NFTA_QUEUE_MAX - 1) + +#define NFT_QUEUE_FLAG_BYPASS 0x01 /* for compatibility with v2 */ +#define NFT_QUEUE_FLAG_CPU_FANOUT 0x02 /* use current CPU (no hashing) */ +#define NFT_QUEUE_FLAG_MASK 0x03 + +/** + * enum nft_reject_types - nf_tables reject expression reject types + * + * @NFT_REJECT_ICMP_UNREACH: reject using ICMP unreachable + * @NFT_REJECT_TCP_RST: reject using TCP RST + */ +enum nft_reject_types { + NFT_REJECT_ICMP_UNREACH, + NFT_REJECT_TCP_RST, +}; + +/** + * enum nft_reject_attributes - nf_tables reject expression netlink attributes + * + * @NFTA_REJECT_TYPE: packet type to use (NLA_U32: nft_reject_types) + * @NFTA_REJECT_ICMP_CODE: ICMP code to use (NLA_U8) + */ +enum nft_reject_attributes { + NFTA_REJECT_UNSPEC, + NFTA_REJECT_TYPE, + NFTA_REJECT_ICMP_CODE, + __NFTA_REJECT_MAX +}; +#define NFTA_REJECT_MAX (__NFTA_REJECT_MAX - 1) + +/** + * enum nft_nat_types - nf_tables nat expression NAT types + * + * @NFT_NAT_SNAT: source NAT + * @NFT_NAT_DNAT: destination NAT + */ +enum nft_nat_types { + NFT_NAT_SNAT, + NFT_NAT_DNAT, +}; + +/** + * enum nft_nat_attributes - nf_tables nat expression netlink attributes + * + * @NFTA_NAT_TYPE: NAT type (NLA_U32: nft_nat_types) + * @NFTA_NAT_FAMILY: NAT family (NLA_U32) + * @NFTA_NAT_REG_ADDR_MIN: source register of address range start (NLA_U32: nft_registers) + * @NFTA_NAT_REG_ADDR_MAX: source register of address range end (NLA_U32: nft_registers) + * @NFTA_NAT_REG_PROTO_MIN: source register of proto range start (NLA_U32: nft_registers) + * @NFTA_NAT_REG_PROTO_MAX: source register of proto range end (NLA_U32: nft_registers) + */ +enum nft_nat_attributes { + NFTA_NAT_UNSPEC, + NFTA_NAT_TYPE, + NFTA_NAT_FAMILY, + NFTA_NAT_REG_ADDR_MIN, + NFTA_NAT_REG_ADDR_MAX, + NFTA_NAT_REG_PROTO_MIN, + NFTA_NAT_REG_PROTO_MAX, + __NFTA_NAT_MAX +}; +#define NFTA_NAT_MAX (__NFTA_NAT_MAX - 1) + +#endif /* _LINUX_NF_TABLES_H */ diff --git a/include/linux/netfilter/nf_tables_compat.h b/include/linux/netfilter/nf_tables_compat.h new file mode 100644 index 00000000..36fb81d8 --- /dev/null +++ b/include/linux/netfilter/nf_tables_compat.h @@ -0,0 +1,20 @@ +#ifndef _NFT_COMPAT_NFNETLINK_H_ +#define _NFT_COMPAT_NFNETLINK_H_ + +#define NFT_COMPAT_NAME_MAX 32 + +enum { + NFNL_MSG_COMPAT_GET, + NFNL_MSG_COMPAT_MAX +}; + +enum { + NFTA_COMPAT_UNSPEC = 0, + NFTA_COMPAT_NAME, + NFTA_COMPAT_REV, + NFTA_COMPAT_TYPE, + __NFTA_COMPAT_MAX, +}; +#define NFTA_COMPAT_MAX (__NFTA_COMPAT_MAX - 1) + +#endif diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h new file mode 100644 index 00000000..06eea26b --- /dev/null +++ b/include/linux/netfilter/nfnetlink.h @@ -0,0 +1,64 @@ +#ifndef _NFNETLINK_H +#define _NFNETLINK_H +#include <linux/types.h> +#include <linux/netfilter/nfnetlink_compat.h> + +enum nfnetlink_groups { + NFNLGRP_NONE, +#define NFNLGRP_NONE NFNLGRP_NONE + NFNLGRP_CONNTRACK_NEW, +#define NFNLGRP_CONNTRACK_NEW NFNLGRP_CONNTRACK_NEW + NFNLGRP_CONNTRACK_UPDATE, +#define NFNLGRP_CONNTRACK_UPDATE NFNLGRP_CONNTRACK_UPDATE + NFNLGRP_CONNTRACK_DESTROY, +#define NFNLGRP_CONNTRACK_DESTROY NFNLGRP_CONNTRACK_DESTROY + NFNLGRP_CONNTRACK_EXP_NEW, +#define NFNLGRP_CONNTRACK_EXP_NEW NFNLGRP_CONNTRACK_EXP_NEW + NFNLGRP_CONNTRACK_EXP_UPDATE, +#define NFNLGRP_CONNTRACK_EXP_UPDATE NFNLGRP_CONNTRACK_EXP_UPDATE + NFNLGRP_CONNTRACK_EXP_DESTROY, +#define NFNLGRP_CONNTRACK_EXP_DESTROY NFNLGRP_CONNTRACK_EXP_DESTROY + NFNLGRP_NFTABLES, +#define NFNLGRP_NFTABLES NFNLGRP_NFTABLES + __NFNLGRP_MAX, +}; +#define NFNLGRP_MAX (__NFNLGRP_MAX - 1) + +/* General form of address family dependent message. + */ +struct nfgenmsg { + __u8 nfgen_family; /* AF_xxx */ + __u8 version; /* nfnetlink version */ + __be16 res_id; /* resource id */ +}; + +#define NFNETLINK_V0 0 + +/* netfilter netlink message types are split in two pieces: + * 8 bit subsystem, 8bit operation. + */ + +#define NFNL_SUBSYS_ID(x) ((x & 0xff00) >> 8) +#define NFNL_MSG_TYPE(x) (x & 0x00ff) + +/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS() + * won't work anymore */ +#define NFNL_SUBSYS_NONE 0 +#define NFNL_SUBSYS_CTNETLINK 1 +#define NFNL_SUBSYS_CTNETLINK_EXP 2 +#define NFNL_SUBSYS_QUEUE 3 +#define NFNL_SUBSYS_ULOG 4 +#define NFNL_SUBSYS_OSF 5 +#define NFNL_SUBSYS_IPSET 6 +#define NFNL_SUBSYS_ACCT 7 +#define NFNL_SUBSYS_CTNETLINK_TIMEOUT 8 +#define NFNL_SUBSYS_CTHELPER 9 +#define NFNL_SUBSYS_NFTABLES 10 +#define NFNL_SUBSYS_NFT_COMPAT 11 +#define NFNL_SUBSYS_COUNT 12 + +/* Reserved control nfnetlink messages */ +#define NFNL_MSG_BATCH_BEGIN NLMSG_MIN_TYPE +#define NFNL_MSG_BATCH_END NLMSG_MIN_TYPE+1 + +#endif /* _NFNETLINK_H */ diff --git a/include/linux/netfilter/xt_CT.h b/include/linux/netfilter/xt_CT.h index 54528fdd..c3907db5 100644 --- a/include/linux/netfilter/xt_CT.h +++ b/include/linux/netfilter/xt_CT.h @@ -6,6 +6,9 @@ enum { XT_CT_NOTRACK = 1 << 0, XT_CT_NOTRACK_ALIAS = 1 << 1, + XT_CT_ZONE_DIR_ORIG = 1 << 2, + XT_CT_ZONE_DIR_REPL = 1 << 3, + XT_CT_ZONE_MARK = 1 << 4, }; struct xt_ct_target_info { diff --git a/include/linux/netfilter/xt_NFLOG.h b/include/linux/netfilter/xt_NFLOG.h index 87b58311..f3307073 100644 --- a/include/linux/netfilter/xt_NFLOG.h +++ b/include/linux/netfilter/xt_NFLOG.h @@ -6,9 +6,13 @@ #define XT_NFLOG_DEFAULT_GROUP 0x1 #define XT_NFLOG_DEFAULT_THRESHOLD 0 -#define XT_NFLOG_MASK 0x0 +#define XT_NFLOG_MASK 0x1 + +/* This flag indicates that 'len' field in xt_nflog_info is set*/ +#define XT_NFLOG_F_COPY_LEN 0x1 struct xt_nflog_info { + /* 'len' will be used iff you set XT_NFLOG_F_COPY_LEN in flags */ __u32 len; __u16 group; __u16 threshold; diff --git a/include/linux/netfilter/xt_SYNPROXY.h b/include/linux/netfilter/xt_SYNPROXY.h new file mode 100644 index 00000000..2d59fbaa --- /dev/null +++ b/include/linux/netfilter/xt_SYNPROXY.h @@ -0,0 +1,16 @@ +#ifndef _XT_SYNPROXY_H +#define _XT_SYNPROXY_H + +#define XT_SYNPROXY_OPT_MSS 0x01 +#define XT_SYNPROXY_OPT_WSCALE 0x02 +#define XT_SYNPROXY_OPT_SACK_PERM 0x04 +#define XT_SYNPROXY_OPT_TIMESTAMP 0x08 +#define XT_SYNPROXY_OPT_ECN 0x10 + +struct xt_synproxy_info { + __u8 options; + __u8 wscale; + __u16 mss; +}; + +#endif /* _XT_SYNPROXY_H */ diff --git a/include/linux/netfilter/xt_bpf.h b/include/linux/netfilter/xt_bpf.h index 5dda450e..b97725af 100644 --- a/include/linux/netfilter/xt_bpf.h +++ b/include/linux/netfilter/xt_bpf.h @@ -2,16 +2,39 @@ #define _XT_BPF_H #include <linux/filter.h> +#include <linux/limits.h> #include <linux/types.h> #define XT_BPF_MAX_NUM_INSTR 64 +#define XT_BPF_PATH_MAX (XT_BPF_MAX_NUM_INSTR * sizeof(struct sock_filter)) + +struct bpf_prog; struct xt_bpf_info { __u16 bpf_program_num_elem; struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR]; /* only used in the kernel */ - struct sk_filter *filter __attribute__((aligned(8))); + struct bpf_prog *filter __attribute__((aligned(8))); +}; + +enum xt_bpf_modes { + XT_BPF_MODE_BYTECODE, + XT_BPF_MODE_FD_PINNED, + XT_BPF_MODE_FD_ELF, +}; + +struct xt_bpf_info_v1 { + __u16 mode; + __u16 bpf_program_num_elem; + __s32 fd; + union { + struct sock_filter bpf_program[XT_BPF_MAX_NUM_INSTR]; + char path[XT_BPF_PATH_MAX]; + }; + + /* only used in the kernel */ + struct bpf_prog *filter __attribute__((aligned(8))); }; #endif /*_XT_BPF_H */ diff --git a/include/linux/netfilter/xt_cgroup.h b/include/linux/netfilter/xt_cgroup.h new file mode 100644 index 00000000..7fe61ed0 --- /dev/null +++ b/include/linux/netfilter/xt_cgroup.h @@ -0,0 +1,24 @@ +#ifndef _XT_CGROUP_H +#define _XT_CGROUP_H + +#include <linux/types.h> +#include <linux/limits.h> + +struct xt_cgroup_info_v0 { + __u32 id; + __u32 invert; +}; + +struct xt_cgroup_info_v1 { + __u8 has_path; + __u8 has_classid; + __u8 invert_path; + __u8 invert_classid; + char path[PATH_MAX]; + __u32 classid; + + /* kernel internal data */ + void *priv __attribute__((aligned(8))); +}; + +#endif /* _XT_CGROUP_H */ diff --git a/include/linux/netfilter/xt_hashlimit.h b/include/linux/netfilter/xt_hashlimit.h index 141efbd1..d9808b5d 100644 --- a/include/linux/netfilter/xt_hashlimit.h +++ b/include/linux/netfilter/xt_hashlimit.h @@ -5,8 +5,10 @@ /* timings are in milliseconds. */ #define XT_HASHLIMIT_SCALE 10000 +#define XT_HASHLIMIT_SCALE_v2 1000000llu /* 1/10,000 sec period => max of 10,000/sec. Min rate is then 429490 - seconds, or one packet every 59 hours. */ + * seconds, or one packet every 59 hours. + */ /* packet length accounting is done in 16-byte steps */ #define XT_HASHLIMIT_BYTE_SHIFT 4 @@ -61,6 +63,20 @@ struct hashlimit_cfg1 { __u8 srcmask, dstmask; }; +struct hashlimit_cfg2 { + __u64 avg; /* Average secs between packets * scale */ + __u64 burst; /* Period multiplier for upper limit. */ + __u32 mode; /* bitmask of XT_HASHLIMIT_HASH_* */ + + /* user specified */ + __u32 size; /* how many buckets */ + __u32 max; /* max number of entries */ + __u32 gc_interval; /* gc interval */ + __u32 expire; /* when do entries expire? */ + + __u8 srcmask, dstmask; +}; + struct xt_hashlimit_mtinfo1 { char name[IFNAMSIZ]; struct hashlimit_cfg1 cfg; @@ -69,4 +85,12 @@ struct xt_hashlimit_mtinfo1 { struct xt_hashlimit_htable *hinfo __attribute__((aligned(8))); }; +struct xt_hashlimit_mtinfo2 { + char name[NAME_MAX]; + struct hashlimit_cfg2 cfg; + + /* Used internally by the kernel */ + struct xt_hashlimit_htable *hinfo __attribute__((aligned(8))); +}; + #endif /*_XT_HASHLIMIT_H*/ diff --git a/include/linux/netfilter/xt_ipcomp.h b/include/linux/netfilter/xt_ipcomp.h new file mode 100644 index 00000000..45c7e40e --- /dev/null +++ b/include/linux/netfilter/xt_ipcomp.h @@ -0,0 +1,16 @@ +#ifndef _XT_IPCOMP_H +#define _XT_IPCOMP_H + +#include <linux/types.h> + +struct xt_ipcomp { + __u32 spis[2]; /* Security Parameter Index */ + __u8 invflags; /* Inverse flags */ + __u8 hdrres; /* Test of the Reserved Filed */ +}; + +/* Values for "invflags" field in struct xt_ipcomp. */ +#define XT_IPCOMP_INV_SPI 0x01 /* Invert the sense of spi. */ +#define XT_IPCOMP_INV_MASK 0x01 /* All possible flags. */ + +#endif /*_XT_IPCOMP_H*/ diff --git a/include/linux/netfilter/xt_osf.h b/include/linux/netfilter/xt_osf.h index 18afa495..d0c4c761 100644 --- a/include/linux/netfilter/xt_osf.h +++ b/include/linux/netfilter/xt_osf.h @@ -14,7 +14,7 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _XT_OSF_H diff --git a/include/linux/netfilter/xt_set.h b/include/linux/netfilter/xt_set.h index 964d3d42..4210c9bf 100644 --- a/include/linux/netfilter/xt_set.h +++ b/include/linux/netfilter/xt_set.h @@ -66,9 +66,28 @@ struct xt_set_info_target_v2 { struct xt_set_info_match_v3 { struct xt_set_info match_set; + struct ip_set_counter_match0 packets; + struct ip_set_counter_match0 bytes; + __u32 flags; +}; + +/* Revision 4 match */ + +struct xt_set_info_match_v4 { + struct xt_set_info match_set; struct ip_set_counter_match packets; struct ip_set_counter_match bytes; __u32 flags; }; +/* Revision 3 target */ + +struct xt_set_info_target_v3 { + struct xt_set_info add_set; + struct xt_set_info del_set; + struct xt_set_info map_set; + __u32 flags; + __u32 timeout; +}; + #endif /*_XT_SET_H*/ diff --git a/include/linux/netfilter_arp.h b/include/linux/netfilter_arp.h new file mode 100644 index 00000000..92bc6ddc --- /dev/null +++ b/include/linux/netfilter_arp.h @@ -0,0 +1,19 @@ +#ifndef __LINUX_ARP_NETFILTER_H +#define __LINUX_ARP_NETFILTER_H + +/* ARP-specific defines for netfilter. + * (C)2002 Rusty Russell IBM -- This code is GPL. + */ + +#include <linux/netfilter.h> + +/* There is no PF_ARP. */ +#define NF_ARP 0 + +/* ARP Hooks */ +#define NF_ARP_IN 0 +#define NF_ARP_OUT 1 +#define NF_ARP_FORWARD 2 +#define NF_ARP_NUMHOOKS 3 + +#endif /* __LINUX_ARP_NETFILTER_H */ diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h new file mode 100644 index 00000000..bb1ec648 --- /dev/null +++ b/include/linux/netfilter_arp/arp_tables.h @@ -0,0 +1,204 @@ +/* + * Format of an ARP firewall descriptor + * + * src, tgt, src_mask, tgt_mask, arpop, arpop_mask are always stored in + * network byte order. + * flags are stored in host byte order (of course). + */ + +#ifndef _ARPTABLES_H +#define _ARPTABLES_H + +#include <linux/types.h> + +#include <linux/netfilter_arp.h> + +#include <linux/netfilter/x_tables.h> + +#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) + +#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 *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. + */ +#endif /* _ARPTABLES_H */ diff --git a/include/linux/netfilter_arp/arpt_mangle.h b/include/linux/netfilter_arp/arpt_mangle.h new file mode 100644 index 00000000..250f5029 --- /dev/null +++ b/include/linux/netfilter_arp/arpt_mangle.h @@ -0,0 +1,26 @@ +#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 */ diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h new file mode 100644 index 00000000..71e9299b --- /dev/null +++ b/include/linux/netfilter_bridge.h @@ -0,0 +1,33 @@ +#ifndef __LINUX_BRIDGE_NETFILTER_H +#define __LINUX_BRIDGE_NETFILTER_H + +/* bridge-specific defines for netfilter. + */ +#include <limits.h> + +/* 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 + +enum nf_br_hook_priorities { + NF_BR_PRI_FIRST = INT_MIN, + NF_BR_PRI_FILTER_BRIDGED = -200, + NF_BR_PRI_FILTER_OTHER = 200, + NF_BR_PRI_NAT_DST_BRIDGED = -300, + NF_BR_PRI_NAT_DST_OTHER = 100, + NF_BR_PRI_NAT_SRC = 300, + NF_BR_PRI_LAST = INT_MAX, +}; + +#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 00000000..f37522aa --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_802_3.h @@ -0,0 +1,63 @@ +#ifndef _UAPI__LINUX_BRIDGE_EBT_802_3_H +#define _UAPI__LINUX_BRIDGE_EBT_802_3_H + +#include <linux/types.h> +#include <linux/if_ether.h> + +#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[ETH_ALEN]; + __u8 saddr[ETH_ALEN]; + __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 /* _UAPI__LINUX_BRIDGE_EBT_802_3_H */ diff --git a/include/linux/netfilter_bridge/ebt_ip.h b/include/linux/netfilter_bridge/ebt_ip.h new file mode 100644 index 00000000..c4bbc41b --- /dev/null +++ b/include/linux/netfilter_bridge/ebt_ip.h @@ -0,0 +1,44 @@ +/* + * ebt_ip + * + * Authors: + * Bart De Schuymer <bart.de.schuymer@pandora.be> + * + * April, 2002 + * + * Changes: + * added ip-sport and ip-dport + * Innominate Security Technologies AG <mhopf@innominate.com> + * September, 2002 + */ + +#ifndef __LINUX_BRIDGE_EBT_IP_H +#define __LINUX_BRIDGE_EBT_IP_H + +#include <linux/types.h> + +#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_mark_m.h b/include/linux/netfilter_bridge/ebt_mark_m.h new file mode 100644 index 00000000..410f9e5a --- /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 <linux/types.h> + +#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 00000000..7d5a268a --- /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_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h index 57fd82a1..38542b4f 100644 --- a/include/linux/netfilter_ipv4/ip_tables.h +++ b/include/linux/netfilter_ipv4/ip_tables.h @@ -73,12 +73,12 @@ struct ipt_ip { unsigned char iniface_mask[IFNAMSIZ], outiface_mask[IFNAMSIZ]; /* Protocol, 0 = ANY */ - u_int16_t proto; + __u16 proto; /* Flags word */ - u_int8_t flags; + __u8 flags; /* Inverse flags */ - u_int8_t invflags; + __u8 invflags; }; /* Values for "flag" field in struct ipt_ip (general ip structure). */ @@ -106,9 +106,9 @@ struct ipt_entry { unsigned int nfcache; /* Size of ipt_entry + matches */ - u_int16_t target_offset; + __u16 target_offset; /* Size of ipt_entry + matches + target */ - u_int16_t next_offset; + __u16 next_offset; /* Back pointer */ unsigned int comefrom; @@ -141,9 +141,9 @@ struct ipt_entry { /* ICMP matching stuff */ struct ipt_icmp { - u_int8_t type; /* type to match */ - u_int8_t code[2]; /* range of code */ - u_int8_t invflags; /* Inverse flags */ + __u8 type; /* type to match */ + __u8 code[2]; /* range of code */ + __u8 invflags; /* Inverse flags */ }; /* Values for "inv" field for struct ipt_icmp. */ diff --git a/include/linux/netfilter_ipv4/ipt_SAME.h b/include/linux/netfilter_ipv4/ipt_SAME.h deleted file mode 100644 index a8551671..00000000 --- a/include/linux/netfilter_ipv4/ipt_SAME.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef _IPT_SAME_H -#define _IPT_SAME_H - -#include <linux/types.h> - -#define IPT_SAME_MAX_RANGE 10 - -#define IPT_SAME_NODST 0x01 - -struct ipt_same_info { - unsigned char info; - __u32 rangesize; - __u32 ipnum; - __u32 *iparray; - - /* hangs off end. */ - struct nf_nat_ipv4_range range[IPT_SAME_MAX_RANGE]; -}; - -#endif /*_IPT_SAME_H*/ diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h index 3f19a97d..640a1d09 100644 --- a/include/linux/netfilter_ipv6/ip6_tables.h +++ b/include/linux/netfilter_ipv6/ip6_tables.h @@ -73,14 +73,14 @@ struct ip6t_ip6 { * MH do not match any packets. * - You also need to set IP6T_FLAGS_PROTO to "flags" to check protocol. */ - u_int16_t proto; + __u16 proto; /* TOS to match iff flags & IP6T_F_TOS */ - u_int8_t tos; + __u8 tos; /* Flags word */ - u_int8_t flags; + __u8 flags; /* Inverse flags */ - u_int8_t invflags; + __u8 invflags; }; /* Values for "flag" field in struct ip6t_ip6 (general ip6 structure). */ @@ -110,9 +110,9 @@ struct ip6t_entry { unsigned int nfcache; /* Size of ipt_entry + matches */ - u_int16_t target_offset; + __u16 target_offset; /* Size of ipt_entry + matches + target */ - u_int16_t next_offset; + __u16 next_offset; /* Back pointer */ unsigned int comefrom; @@ -176,11 +176,14 @@ struct ip6t_error { #define IP6T_SO_GET_REVISION_TARGET (IP6T_BASE_CTL + 5) #define IP6T_SO_GET_MAX IP6T_SO_GET_REVISION_TARGET +/* obtain original address if REDIRECT'd connection */ +#define IP6T_SO_ORIGINAL_DST 80 + /* ICMP matching stuff */ struct ip6t_icmp { - u_int8_t type; /* type to match */ - u_int8_t code[2]; /* range of code */ - u_int8_t invflags; /* Inverse flags */ + __u8 type; /* type to match */ + __u8 code[2]; /* range of code */ + __u8 invflags; /* Inverse flags */ }; /* Values for "inv" field for struct ipt_icmp. */ diff --git a/include/linux/netfilter_ipv6/ip6t_REJECT.h b/include/linux/netfilter_ipv6/ip6t_REJECT.h index 205ed62e..cd2e940c 100644 --- a/include/linux/netfilter_ipv6/ip6t_REJECT.h +++ b/include/linux/netfilter_ipv6/ip6t_REJECT.h @@ -10,7 +10,9 @@ enum ip6t_reject_with { IP6T_ICMP6_ADDR_UNREACH, IP6T_ICMP6_PORT_UNREACH, IP6T_ICMP6_ECHOREPLY, - IP6T_TCP_RESET + IP6T_TCP_RESET, + IP6T_ICMP6_POLICY_FAIL, + IP6T_ICMP6_REJECT_ROUTE }; struct ip6t_reject_info { diff --git a/include/xtables.h b/include/xtables.h index c35a6e6d..e9bc3b7d 100644 --- a/include/xtables.h +++ b/include/xtables.h @@ -205,9 +205,24 @@ enum xtables_ext_flags { XTABLES_EXT_ALIAS = 1 << 0, }; +struct xt_xlate; + +struct xt_xlate_mt_params { + const void *ip; + const struct xt_entry_match *match; + int numeric; + bool escape_quotes; +}; + +struct xt_xlate_tg_params { + const void *ip; + const struct xt_entry_target *target; + int numeric; + bool escape_quotes; +}; + /* Include file for additions: new matches and targets. */ -struct xtables_match -{ +struct xtables_match { /* * ABI/API version this module requires. Must be first member, * as the rest of this struct may be subject to ABI changes. @@ -220,17 +235,17 @@ struct xtables_match const char *real_name; /* Revision of match (0 by default). */ - u_int8_t revision; + uint8_t revision; /* Extension flags */ - u_int8_t ext_flags; + uint8_t ext_flags; - u_int16_t family; + uint16_t family; /* Size of match data. */ size_t size; - /* Size of match data relevent for userspace comparison purposes */ + /* Size of match data relevant for userspace comparison purposes */ size_t userspacesize; /* Function which prints out usage message. */ @@ -269,6 +284,10 @@ struct xtables_match void (*x6_fcheck)(struct xt_fcheck_call *); const struct xt_option_entry *x6_options; + /* Translate iptables to nft */ + int (*xlate)(struct xt_xlate *xl, + const struct xt_xlate_mt_params *params); + /* Size of per-extension instance extra "global" scratch space */ size_t udata_size; @@ -280,8 +299,7 @@ struct xtables_match unsigned int loaded; /* simulate loading so options are merged properly */ }; -struct xtables_target -{ +struct xtables_target { /* * ABI/API version this module requires. Must be first member, * as the rest of this struct may be subject to ABI changes. @@ -297,18 +315,18 @@ struct xtables_target const char *real_name; /* Revision of target (0 by default). */ - u_int8_t revision; + uint8_t revision; /* Extension flags */ - u_int8_t ext_flags; + uint8_t ext_flags; - u_int16_t family; + uint16_t family; /* Size of target data. */ size_t size; - /* Size of target data relevent for userspace comparison purposes */ + /* Size of target data relevant for userspace comparison purposes */ size_t userspacesize; /* Function which prints out usage message. */ @@ -346,6 +364,10 @@ struct xtables_target void (*x6_fcheck)(struct xt_fcheck_call *); const struct xt_option_entry *x6_options; + /* Translate iptables to nft */ + int (*xlate)(struct xt_xlate *xl, + const struct xt_xlate_tg_params *params); + size_t udata_size; /* Ignore these men behind the curtain: */ @@ -373,7 +395,7 @@ struct xtables_rule_match { */ struct xtables_pprot { const char *name; - u_int8_t num; + uint8_t num; }; enum xtables_tryload { @@ -401,10 +423,22 @@ struct xtables_globals struct option *orig_opts; struct option *opts; void (*exit_err)(enum xtables_exittype status, const char *msg, ...) __attribute__((noreturn, format(printf,2,3))); + int (*compat_rev)(const char *name, uint8_t rev, int opt); }; #define XT_GETOPT_TABLEEND {.name = NULL, .has_arg = false} +/* + * enum op- + * + * For writing clean nftables translations code + */ +enum xt_op { + XT_OP_EQ, + XT_OP_NEQ, + XT_OP_MAX, +}; + #ifdef __cplusplus extern "C" { #endif @@ -432,6 +466,8 @@ extern struct xtables_match *xtables_find_match(const char *name, enum xtables_tryload, struct xtables_rule_match **match); extern struct xtables_target *xtables_find_target(const char *name, enum xtables_tryload); +extern int xtables_compatible_revision(const char *name, uint8_t revision, + int opt); extern void xtables_rule_matches_free(struct xtables_rule_match **matches); @@ -446,12 +482,12 @@ extern bool xtables_strtoul(const char *, char **, uintmax_t *, extern bool xtables_strtoui(const char *, char **, unsigned int *, unsigned int, unsigned int); extern int xtables_service_to_port(const char *name, const char *proto); -extern u_int16_t xtables_parse_port(const char *port, const char *proto); +extern uint16_t xtables_parse_port(const char *port, const char *proto); extern void xtables_parse_interface(const char *arg, char *vianame, unsigned char *mask); /* this is a special 64bit data type that is 8-byte aligned */ -#define aligned_u64 u_int64_t __attribute__((aligned(8))) +#define aligned_u64 uint64_t __attribute__((aligned(8))) extern struct xtables_globals *xt_params; #define xtables_error (xt_params->exit_err) @@ -514,7 +550,7 @@ extern void xtables_print_num(uint64_t number, unsigned int format); #endif extern const struct xtables_pprot xtables_chain_protos[]; -extern u_int16_t xtables_parse_protocol(const char *s); +extern uint16_t xtables_parse_protocol(const char *s); /* kernel revision handling */ extern int kernel_version; @@ -545,6 +581,14 @@ extern void xtables_lmap_free(struct xtables_lmap *); extern int xtables_lmap_name2id(const struct xtables_lmap *, const char *); extern const char *xtables_lmap_id2name(const struct xtables_lmap *, int); +/* xlate infrastructure */ +struct xt_xlate *xt_xlate_alloc(int size); +void xt_xlate_free(struct xt_xlate *xl); +void xt_xlate_add(struct xt_xlate *xl, const char *fmt, ...); +void xt_xlate_add_comment(struct xt_xlate *xl, const char *comment); +const char *xt_xlate_get_comment(struct xt_xlate *xl); +const char *xt_xlate_get(struct xt_xlate *xl); + #ifdef XTABLES_INTERNAL /* Shipped modules rely on this... */ |