70e47040b0
compatibility w/ older non-C11 compilers... passed make tinerdbox.. Suggested by: imp
444 lines
14 KiB
C
444 lines
14 KiB
C
/* $FreeBSD$ */
|
|
/* $KAME: pfkeyv2.h,v 1.37 2003/09/06 05:15:43 itojun Exp $ */
|
|
|
|
/*-
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* This file has been derived rfc 2367,
|
|
* And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_.
|
|
* sakane@ydc.co.jp
|
|
*/
|
|
|
|
#ifndef _NET_PFKEYV2_H_
|
|
#define _NET_PFKEYV2_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
/*
|
|
This file defines structures and symbols for the PF_KEY Version 2
|
|
key management interface. It was written at the U.S. Naval Research
|
|
Laboratory. This file is in the public domain. The authors ask that
|
|
you leave this credit intact on any copies of this file.
|
|
*/
|
|
#ifndef __PFKEY_V2_H
|
|
#define __PFKEY_V2_H 1
|
|
|
|
#define PF_KEY_V2 2
|
|
#define PFKEYV2_REVISION 199806L
|
|
|
|
#define SADB_RESERVED 0
|
|
#define SADB_GETSPI 1
|
|
#define SADB_UPDATE 2
|
|
#define SADB_ADD 3
|
|
#define SADB_DELETE 4
|
|
#define SADB_GET 5
|
|
#define SADB_ACQUIRE 6
|
|
#define SADB_REGISTER 7
|
|
#define SADB_EXPIRE 8
|
|
#define SADB_FLUSH 9
|
|
#define SADB_DUMP 10
|
|
#define SADB_X_PROMISC 11
|
|
#define SADB_X_PCHANGE 12
|
|
|
|
#define SADB_X_SPDUPDATE 13
|
|
#define SADB_X_SPDADD 14
|
|
#define SADB_X_SPDDELETE 15 /* by policy index */
|
|
#define SADB_X_SPDGET 16
|
|
#define SADB_X_SPDACQUIRE 17
|
|
#define SADB_X_SPDDUMP 18
|
|
#define SADB_X_SPDFLUSH 19
|
|
#define SADB_X_SPDSETIDX 20
|
|
#define SADB_X_SPDEXPIRE 21
|
|
#define SADB_X_SPDDELETE2 22 /* by policy id */
|
|
#define SADB_MAX 22
|
|
|
|
struct sadb_msg {
|
|
u_int8_t sadb_msg_version;
|
|
u_int8_t sadb_msg_type;
|
|
u_int8_t sadb_msg_errno;
|
|
u_int8_t sadb_msg_satype;
|
|
u_int16_t sadb_msg_len;
|
|
u_int16_t sadb_msg_reserved;
|
|
u_int32_t sadb_msg_seq;
|
|
u_int32_t sadb_msg_pid;
|
|
};
|
|
|
|
struct sadb_ext {
|
|
u_int16_t sadb_ext_len;
|
|
u_int16_t sadb_ext_type;
|
|
};
|
|
|
|
struct sadb_sa {
|
|
u_int16_t sadb_sa_len;
|
|
u_int16_t sadb_sa_exttype;
|
|
u_int32_t sadb_sa_spi;
|
|
u_int8_t sadb_sa_replay;
|
|
u_int8_t sadb_sa_state;
|
|
u_int8_t sadb_sa_auth;
|
|
u_int8_t sadb_sa_encrypt;
|
|
u_int32_t sadb_sa_flags;
|
|
};
|
|
|
|
struct sadb_lifetime {
|
|
u_int16_t sadb_lifetime_len;
|
|
u_int16_t sadb_lifetime_exttype;
|
|
u_int32_t sadb_lifetime_allocations;
|
|
u_int64_t sadb_lifetime_bytes;
|
|
u_int64_t sadb_lifetime_addtime;
|
|
u_int64_t sadb_lifetime_usetime;
|
|
};
|
|
|
|
struct sadb_address {
|
|
u_int16_t sadb_address_len;
|
|
u_int16_t sadb_address_exttype;
|
|
u_int8_t sadb_address_proto;
|
|
u_int8_t sadb_address_prefixlen;
|
|
u_int16_t sadb_address_reserved;
|
|
};
|
|
|
|
struct sadb_key {
|
|
u_int16_t sadb_key_len;
|
|
u_int16_t sadb_key_exttype;
|
|
u_int16_t sadb_key_bits;
|
|
u_int16_t sadb_key_reserved;
|
|
};
|
|
|
|
struct sadb_ident {
|
|
u_int16_t sadb_ident_len;
|
|
u_int16_t sadb_ident_exttype;
|
|
u_int16_t sadb_ident_type;
|
|
u_int16_t sadb_ident_reserved;
|
|
u_int64_t sadb_ident_id;
|
|
};
|
|
|
|
struct sadb_sens {
|
|
u_int16_t sadb_sens_len;
|
|
u_int16_t sadb_sens_exttype;
|
|
u_int32_t sadb_sens_dpd;
|
|
u_int8_t sadb_sens_sens_level;
|
|
u_int8_t sadb_sens_sens_len;
|
|
u_int8_t sadb_sens_integ_level;
|
|
u_int8_t sadb_sens_integ_len;
|
|
u_int32_t sadb_sens_reserved;
|
|
};
|
|
|
|
struct sadb_prop {
|
|
u_int16_t sadb_prop_len;
|
|
u_int16_t sadb_prop_exttype;
|
|
u_int8_t sadb_prop_replay;
|
|
u_int8_t sadb_prop_reserved[3];
|
|
};
|
|
|
|
struct sadb_comb {
|
|
u_int8_t sadb_comb_auth;
|
|
u_int8_t sadb_comb_encrypt;
|
|
u_int16_t sadb_comb_flags;
|
|
u_int16_t sadb_comb_auth_minbits;
|
|
u_int16_t sadb_comb_auth_maxbits;
|
|
u_int16_t sadb_comb_encrypt_minbits;
|
|
u_int16_t sadb_comb_encrypt_maxbits;
|
|
u_int32_t sadb_comb_reserved;
|
|
u_int32_t sadb_comb_soft_allocations;
|
|
u_int32_t sadb_comb_hard_allocations;
|
|
u_int64_t sadb_comb_soft_bytes;
|
|
u_int64_t sadb_comb_hard_bytes;
|
|
u_int64_t sadb_comb_soft_addtime;
|
|
u_int64_t sadb_comb_hard_addtime;
|
|
u_int64_t sadb_comb_soft_usetime;
|
|
u_int64_t sadb_comb_hard_usetime;
|
|
};
|
|
|
|
struct sadb_supported {
|
|
u_int16_t sadb_supported_len;
|
|
u_int16_t sadb_supported_exttype;
|
|
u_int32_t sadb_supported_reserved;
|
|
};
|
|
|
|
struct sadb_alg {
|
|
u_int8_t sadb_alg_id;
|
|
u_int8_t sadb_alg_ivlen;
|
|
u_int16_t sadb_alg_minbits;
|
|
u_int16_t sadb_alg_maxbits;
|
|
u_int16_t sadb_alg_reserved;
|
|
};
|
|
|
|
struct sadb_spirange {
|
|
u_int16_t sadb_spirange_len;
|
|
u_int16_t sadb_spirange_exttype;
|
|
u_int32_t sadb_spirange_min;
|
|
u_int32_t sadb_spirange_max;
|
|
u_int32_t sadb_spirange_reserved;
|
|
};
|
|
|
|
struct sadb_x_kmprivate {
|
|
u_int16_t sadb_x_kmprivate_len;
|
|
u_int16_t sadb_x_kmprivate_exttype;
|
|
u_int32_t sadb_x_kmprivate_reserved;
|
|
};
|
|
|
|
/*
|
|
* XXX Additional SA Extension.
|
|
* mode: tunnel or transport
|
|
* reqid: to make SA unique nevertheless the address pair of SA are same.
|
|
* Mainly it's for VPN.
|
|
*/
|
|
struct sadb_x_sa2 {
|
|
u_int16_t sadb_x_sa2_len;
|
|
u_int16_t sadb_x_sa2_exttype;
|
|
u_int8_t sadb_x_sa2_mode;
|
|
u_int8_t sadb_x_sa2_reserved1;
|
|
u_int16_t sadb_x_sa2_reserved2;
|
|
u_int32_t sadb_x_sa2_sequence; /* lowermost 32bit of sequence number */
|
|
u_int32_t sadb_x_sa2_reqid;
|
|
};
|
|
|
|
/* XXX Policy Extension */
|
|
struct sadb_x_policy {
|
|
u_int16_t sadb_x_policy_len;
|
|
u_int16_t sadb_x_policy_exttype;
|
|
u_int16_t sadb_x_policy_type; /* See policy type of ipsec.h */
|
|
u_int8_t sadb_x_policy_dir; /* direction, see ipsec.h */
|
|
u_int8_t sadb_x_policy_reserved;
|
|
u_int32_t sadb_x_policy_id;
|
|
u_int32_t sadb_x_policy_reserved2;
|
|
};
|
|
_Static_assert(sizeof(struct sadb_x_policy) == 16, "struct size mismatch");
|
|
|
|
/*
|
|
* When policy_type == IPSEC, it is followed by some of
|
|
* the ipsec policy request.
|
|
* [total length of ipsec policy requests]
|
|
* = (sadb_x_policy_len * sizeof(uint64_t) - sizeof(struct sadb_x_policy))
|
|
*/
|
|
|
|
/* XXX IPsec Policy Request Extension */
|
|
/*
|
|
* This structure is aligned 8 bytes.
|
|
*/
|
|
struct sadb_x_ipsecrequest {
|
|
u_int16_t sadb_x_ipsecrequest_len; /* structure length in 64 bits. */
|
|
u_int16_t sadb_x_ipsecrequest_proto; /* See ipsec.h */
|
|
u_int8_t sadb_x_ipsecrequest_mode; /* See IPSEC_MODE_XX in ipsec.h. */
|
|
u_int8_t sadb_x_ipsecrequest_level; /* See IPSEC_LEVEL_XX in ipsec.h */
|
|
u_int16_t sadb_x_ipsecrequest_reqid; /* See ipsec.h */
|
|
|
|
/*
|
|
* followed by source IP address of SA, and immediately followed by
|
|
* destination IP address of SA. These encoded into two of sockaddr
|
|
* structure without any padding. Must set each sa_len exactly.
|
|
* Each of length of the sockaddr structure are not aligned to 64bits,
|
|
* but sum of x_request and addresses is aligned to 64bits.
|
|
*/
|
|
};
|
|
|
|
/* NAT-Traversal type, see RFC 3948 (and drafts). */
|
|
struct sadb_x_nat_t_type {
|
|
u_int16_t sadb_x_nat_t_type_len;
|
|
u_int16_t sadb_x_nat_t_type_exttype;
|
|
u_int8_t sadb_x_nat_t_type_type;
|
|
u_int8_t sadb_x_nat_t_type_reserved[3];
|
|
};
|
|
_Static_assert(sizeof(struct sadb_x_nat_t_type) == 8, "struct size mismatch");
|
|
|
|
/* NAT-Traversal source or destination port. */
|
|
struct sadb_x_nat_t_port {
|
|
u_int16_t sadb_x_nat_t_port_len;
|
|
u_int16_t sadb_x_nat_t_port_exttype;
|
|
u_int16_t sadb_x_nat_t_port_port;
|
|
u_int16_t sadb_x_nat_t_port_reserved;
|
|
};
|
|
_Static_assert(sizeof(struct sadb_x_nat_t_port) == 8, "struct size mismatch");
|
|
|
|
/* ESP fragmentation size. */
|
|
struct sadb_x_nat_t_frag {
|
|
u_int16_t sadb_x_nat_t_frag_len;
|
|
u_int16_t sadb_x_nat_t_frag_exttype;
|
|
u_int16_t sadb_x_nat_t_frag_fraglen;
|
|
u_int16_t sadb_x_nat_t_frag_reserved;
|
|
};
|
|
_Static_assert(sizeof(struct sadb_x_nat_t_frag) == 8, "struct size mismatch");
|
|
|
|
|
|
#define SADB_EXT_RESERVED 0
|
|
#define SADB_EXT_SA 1
|
|
#define SADB_EXT_LIFETIME_CURRENT 2
|
|
#define SADB_EXT_LIFETIME_HARD 3
|
|
#define SADB_EXT_LIFETIME_SOFT 4
|
|
#define SADB_EXT_ADDRESS_SRC 5
|
|
#define SADB_EXT_ADDRESS_DST 6
|
|
#define SADB_EXT_ADDRESS_PROXY 7
|
|
#define SADB_EXT_KEY_AUTH 8
|
|
#define SADB_EXT_KEY_ENCRYPT 9
|
|
#define SADB_EXT_IDENTITY_SRC 10
|
|
#define SADB_EXT_IDENTITY_DST 11
|
|
#define SADB_EXT_SENSITIVITY 12
|
|
#define SADB_EXT_PROPOSAL 13
|
|
#define SADB_EXT_SUPPORTED_AUTH 14
|
|
#define SADB_EXT_SUPPORTED_ENCRYPT 15
|
|
#define SADB_EXT_SPIRANGE 16
|
|
#define SADB_X_EXT_KMPRIVATE 17
|
|
#define SADB_X_EXT_POLICY 18
|
|
#define SADB_X_EXT_SA2 19
|
|
#define SADB_X_EXT_NAT_T_TYPE 20
|
|
#define SADB_X_EXT_NAT_T_SPORT 21
|
|
#define SADB_X_EXT_NAT_T_DPORT 22
|
|
#define SADB_X_EXT_NAT_T_OA 23 /* Deprecated. */
|
|
#define SADB_X_EXT_NAT_T_OAI 23 /* Peer's NAT_OA for src of SA. */
|
|
#define SADB_X_EXT_NAT_T_OAR 24 /* Peer's NAT_OA for dst of SA. */
|
|
#define SADB_X_EXT_NAT_T_FRAG 25 /* Manual MTU override. */
|
|
#define SADB_EXT_MAX 25
|
|
|
|
#define SADB_SATYPE_UNSPEC 0
|
|
#define SADB_SATYPE_AH 2
|
|
#define SADB_SATYPE_ESP 3
|
|
#define SADB_SATYPE_RSVP 5
|
|
#define SADB_SATYPE_OSPFV2 6
|
|
#define SADB_SATYPE_RIPV2 7
|
|
#define SADB_SATYPE_MIP 8
|
|
#define SADB_X_SATYPE_IPCOMP 9
|
|
/*#define SADB_X_SATYPE_POLICY 10 obsolete, do not reuse */
|
|
#define SADB_X_SATYPE_TCPSIGNATURE 11
|
|
#define SADB_SATYPE_MAX 12
|
|
|
|
#define SADB_SASTATE_LARVAL 0
|
|
#define SADB_SASTATE_MATURE 1
|
|
#define SADB_SASTATE_DYING 2
|
|
#define SADB_SASTATE_DEAD 3
|
|
#define SADB_SASTATE_MAX 3
|
|
|
|
#define SADB_SAFLAGS_PFS 1
|
|
|
|
/*
|
|
* Though some of these numbers (both _AALG and _EALG) appear to be
|
|
* IKEv2 numbers and others original IKE numbers, they have no meaning.
|
|
* These are constants that the various IKE daemons use to tell the kernel
|
|
* what cipher to use.
|
|
*
|
|
* Do not use these constants directly to decide which Transformation ID
|
|
* to send. You are responsible for mapping them yourself.
|
|
*/
|
|
#define SADB_AALG_NONE 0
|
|
#define SADB_AALG_MD5HMAC 2
|
|
#define SADB_AALG_SHA1HMAC 3
|
|
#define SADB_AALG_MAX 252
|
|
#define SADB_X_AALG_SHA2_256 5
|
|
#define SADB_X_AALG_SHA2_384 6
|
|
#define SADB_X_AALG_SHA2_512 7
|
|
#define SADB_X_AALG_RIPEMD160HMAC 8
|
|
#define SADB_X_AALG_AES_XCBC_MAC 9 /* RFC3566 */
|
|
#define SADB_X_AALG_AES128GMAC 11 /* RFC4543 + Errata1821 */
|
|
#define SADB_X_AALG_AES192GMAC 12
|
|
#define SADB_X_AALG_AES256GMAC 13
|
|
#define SADB_X_AALG_MD5 249 /* Keyed MD5 */
|
|
#define SADB_X_AALG_SHA 250 /* Keyed SHA */
|
|
#define SADB_X_AALG_NULL 251 /* null authentication */
|
|
#define SADB_X_AALG_TCP_MD5 252 /* Keyed TCP-MD5 (RFC2385) */
|
|
|
|
#define SADB_EALG_NONE 0
|
|
#define SADB_EALG_DESCBC 2
|
|
#define SADB_EALG_3DESCBC 3
|
|
#define SADB_X_EALG_CAST128CBC 6
|
|
#define SADB_X_EALG_BLOWFISHCBC 7
|
|
#define SADB_EALG_NULL 11
|
|
#define SADB_X_EALG_RIJNDAELCBC 12
|
|
#define SADB_X_EALG_AES 12
|
|
#define SADB_X_EALG_AESCTR 13
|
|
#define SADB_X_EALG_AESGCM8 18 /* RFC4106 */
|
|
#define SADB_X_EALG_AESGCM12 19
|
|
#define SADB_X_EALG_AESGCM16 20
|
|
#define SADB_X_EALG_CAMELLIACBC 22
|
|
#define SADB_X_EALG_AESGMAC 23 /* RFC4543 + Errata1821 */
|
|
#define SADB_EALG_MAX 23 /* !!! keep updated !!! */
|
|
|
|
/* private allocations - based on RFC2407/IANA assignment */
|
|
#define SADB_X_CALG_NONE 0
|
|
#define SADB_X_CALG_OUI 1
|
|
#define SADB_X_CALG_DEFLATE 2
|
|
#define SADB_X_CALG_LZS 3
|
|
#define SADB_X_CALG_MAX 4
|
|
|
|
#define SADB_IDENTTYPE_RESERVED 0
|
|
#define SADB_IDENTTYPE_PREFIX 1
|
|
#define SADB_IDENTTYPE_FQDN 2
|
|
#define SADB_IDENTTYPE_USERFQDN 3
|
|
#define SADB_X_IDENTTYPE_ADDR 4
|
|
#define SADB_IDENTTYPE_MAX 4
|
|
|
|
/* `flags' in sadb_sa structure holds followings */
|
|
#define SADB_X_EXT_NONE 0x0000 /* i.e. new format. */
|
|
#define SADB_X_EXT_OLD 0x0001 /* old format. */
|
|
|
|
#define SADB_X_EXT_IV4B 0x0010 /* IV length of 4 bytes in use */
|
|
#define SADB_X_EXT_DERIV 0x0020 /* DES derived */
|
|
#define SADB_X_EXT_CYCSEQ 0x0040 /* allowing to cyclic sequence. */
|
|
|
|
/* three of followings are exclusive flags each them */
|
|
#define SADB_X_EXT_PSEQ 0x0000 /* sequencial padding for ESP */
|
|
#define SADB_X_EXT_PRAND 0x0100 /* random padding for ESP */
|
|
#define SADB_X_EXT_PZERO 0x0200 /* zero padding for ESP */
|
|
#define SADB_X_EXT_PMASK 0x0300 /* mask for padding flag */
|
|
|
|
#if 1
|
|
#define SADB_X_EXT_RAWCPI 0x0080 /* use well known CPI (IPComp) */
|
|
#endif
|
|
|
|
#define SADB_KEY_FLAGS_MAX 0x0fff
|
|
|
|
/* SPI size for PF_KEYv2 */
|
|
#define PFKEY_SPI_SIZE sizeof(u_int32_t)
|
|
|
|
/* Identifier for menber of lifetime structure */
|
|
#define SADB_X_LIFETIME_ALLOCATIONS 0
|
|
#define SADB_X_LIFETIME_BYTES 1
|
|
#define SADB_X_LIFETIME_ADDTIME 2
|
|
#define SADB_X_LIFETIME_USETIME 3
|
|
|
|
/* The rate for SOFT lifetime against HARD one. */
|
|
#define PFKEY_SOFT_LIFETIME_RATE 80
|
|
|
|
/* Utilities */
|
|
#define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
|
|
#define PFKEY_EXTLEN(msg) \
|
|
PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len)
|
|
#define PFKEY_ADDR_PREFIX(ext) \
|
|
(((struct sadb_address *)(ext))->sadb_address_prefixlen)
|
|
#define PFKEY_ADDR_PROTO(ext) \
|
|
(((struct sadb_address *)(ext))->sadb_address_proto)
|
|
#define PFKEY_ADDR_SADDR(ext) \
|
|
((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address)))
|
|
|
|
/* in 64bits */
|
|
#define PFKEY_UNUNIT64(a) ((a) << 3)
|
|
#define PFKEY_UNIT64(a) ((a) >> 3)
|
|
|
|
#endif /* __PFKEY_V2_H */
|
|
|
|
#endif /* _NET_PFKEYV2_H_ */
|