/* $NetBSD: ipsec_doi.h,v 1.12 2009/03/12 10:57:26 tteras Exp $ */
/* Id: ipsec_doi.h,v 1.15 2006/08/11 16:06:30 vanhu 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.
*/
#ifndef _IPSEC_DOI_H
#define _IPSEC_DOI_H
#include "isakmp.h"
/* refered to RFC2407 */
#define IPSEC_DOI 1
/* 4.2 IPSEC Situation Definition */
#define IPSECDOI_SIT_IDENTITY_ONLY 0x00000001
#define IPSECDOI_SIT_SECRECY 0x00000002
#define IPSECDOI_SIT_INTEGRITY 0x00000004
/* 4.4.1 IPSEC Security Protocol Identifiers */
/* 4.4.2 IPSEC ISAKMP Transform Values */
#define IPSECDOI_PROTO_ISAKMP 1
#define IPSECDOI_KEY_IKE 1
/* 4.4.1 IPSEC Security Protocol Identifiers */
#define IPSECDOI_PROTO_IPSEC_AH 2
/* 4.4.3 IPSEC AH Transform Values */
#define IPSECDOI_AH_MD5 2
#define IPSECDOI_AH_SHA 3
#define IPSECDOI_AH_DES 4
#define IPSECDOI_AH_SHA256 5
#define IPSECDOI_AH_SHA384 6
#define IPSECDOI_AH_SHA512 7
/* 4.4.1 IPSEC Security Protocol Identifiers */
#define IPSECDOI_PROTO_IPSEC_ESP 3
/* 4.4.4 IPSEC ESP Transform Identifiers */
#define IPSECDOI_ESP_DES_IV64 1
#define IPSECDOI_ESP_DES 2
#define IPSECDOI_ESP_3DES 3
#define IPSECDOI_ESP_RC5 4
#define IPSECDOI_ESP_IDEA 5
#define IPSECDOI_ESP_CAST 6
#define IPSECDOI_ESP_BLOWFISH 7
#define IPSECDOI_ESP_3IDEA 8
#define IPSECDOI_ESP_DES_IV32 9
#define IPSECDOI_ESP_RC4 10
#define IPSECDOI_ESP_NULL 11
#define IPSECDOI_ESP_AES 12
#define IPSECDOI_ESP_CAMELLIA 22
#if 1
/* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
#define IPSECDOI_ESP_TWOFISH 253
#else
/* SSH uses these value for now */
#define IPSECDOI_ESP_TWOFISH 250
#endif
/* 4.4.1 IPSEC Security Protocol Identifiers */
#define IPSECDOI_PROTO_IPCOMP 4
/* 4.4.5 IPSEC IPCOMP Transform Identifiers */
#define IPSECDOI_IPCOMP_OUI 1
#define IPSECDOI_IPCOMP_DEFLATE 2
#define IPSECDOI_IPCOMP_LZS 3
/* 4.5 IPSEC Security Association Attributes */
/* NOTE: default value is not included in a packet. */
#define IPSECDOI_ATTR_SA_LD_TYPE 1 /* B */
#define IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT 1
#define IPSECDOI_ATTR_SA_LD_TYPE_SEC 1
#define IPSECDOI_ATTR_SA_LD_TYPE_KB 2
#define IPSECDOI_ATTR_SA_LD_TYPE_MAX 3
#define IPSECDOI_ATTR_SA_LD 2 /* V */
#define IPSECDOI_ATTR_SA_LD_SEC_DEFAULT 28800 /* 8 hours */
#define IPSECDOI_ATTR_SA_LD_KB_MAX (~(1 << ((sizeof(int) << 3) - 1)))
#define IPSECDOI_ATTR_GRP_DESC 3 /* B */
#define IPSECDOI_ATTR_ENC_MODE 4 /* B */
/* default value: host dependent */
#define IPSECDOI_ATTR_ENC_MODE_ANY 0 /* NOTE:internal use */
#define IPSECDOI_ATTR_ENC_MODE_TUNNEL 1
#define IPSECDOI_ATTR_ENC_MODE_TRNS 2
/* NAT-T draft-ietf-ipsec-nat-t-ike-05 and later */
#define IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_RFC 3
#define IPSECDOI_ATTR_ENC_MODE_UDPTRNS_RFC 4
/* NAT-T up to draft-ietf-ipsec-nat-t-ike-04 */
#define IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_DRAFT 61443
#define IPSECDOI_ATTR_ENC_MODE_UDPTRNS_DRAFT 61444
#define IPSECDOI_ATTR_AUTH 5 /* B */
/* 0 means not to use authentication. */
#define IPSECDOI_ATTR_AUTH_HMAC_MD5 1
#define IPSECDOI_ATTR_AUTH_HMAC_SHA1 2
#define IPSECDOI_ATTR_AUTH_DES_MAC 3
#define IPSECDOI_ATTR_AUTH_KPDK 4 /*RFC-1826(Key/Pad/Data/Key)*/
#define IPSECDOI_ATTR_AUTH_HMAC_SHA2_256 5
#define IPSECDOI_ATTR_AUTH_HMAC_SHA2_384 6
#define IPSECDOI_ATTR_AUTH_HMAC_SHA2_512 7
#define IPSECDOI_ATTR_AUTH_NONE 254 /* NOTE:internal use */
/*
* When negotiating ESP without authentication, the Auth
* Algorithm attribute MUST NOT be included in the proposal.
* When negotiating ESP without confidentiality, the Auth
* Algorithm attribute MUST be included in the proposal and
* the ESP transform ID must be ESP_NULL.
*/
#define IPSECDOI_ATTR_KEY_LENGTH 6 /* B */
#define IPSECDOI_ATTR_KEY_ROUNDS 7 /* B */
#define IPSECDOI_ATTR_COMP_DICT_SIZE 8 /* B */
#define IPSECDOI_ATTR_COMP_PRIVALG 9 /* V */
#ifdef HAVE_SECCTX
#define IPSECDOI_ATTR_SECCTX 10 /* V */
#endif
/* 4.6.1 Security Association Payload */
struct ipsecdoi_pl_sa {
struct isakmp_gen h;
struct ipsecdoi_sa_b {
u_int32_t doi; /* Domain of Interpretation */
u_int32_t sit; /* Situation */
} b;
/* followed by Leveled Domain Identifier and so on. */
} __attribute__((__packed__));
struct ipsecdoi_secrecy_h {
u_int16_t len;
u_int16_t reserved;
/* followed by the value */
} __attribute__((__packed__));
/* 4.6.2 Identification Payload Content */
struct ipsecdoi_pl_id {
struct isakmp_gen h;
struct ipsecdoi_id_b {
u_int8_t type; /* ID Type */
u_int8_t proto_id; /* Protocol ID */
u_int16_t port; /* Port */
} b;
/* followed by Identification Data */
} __attribute__((__packed__));
#define IPSECDOI_ID_IPV4_ADDR 1
#define IPSECDOI_ID_FQDN 2
#define IPSECDOI_ID_USER_FQDN 3
#define IPSECDOI_ID_IPV4_ADDR_SUBNET 4
#define IPSECDOI_ID_IPV6_ADDR 5
#define IPSECDOI_ID_IPV6_ADDR_SUBNET 6
#define IPSECDOI_ID_IPV4_ADDR_RANGE 7
#define IPSECDOI_ID_IPV6_ADDR_RANGE 8
#define IPSECDOI_ID_DER_ASN1_DN 9
#define IPSECDOI_ID_DER_ASN1_GN 10
#define IPSECDOI_ID_KEY_ID 11
/* compressing doi type, it's internal use. */
#define IDTYPE_UNDEFINED 0
#define IDTYPE_FQDN 1
#define IDTYPE_USERFQDN 2
#define IDTYPE_KEYID 3
#define IDTYPE_ADDRESS 4
#define IDTYPE_ASN1DN 5
#define IDTYPE_SUBNET 6
/* qualifiers for KEYID (and maybe others) */
#define IDQUAL_UNSPEC 0
#define IDQUAL_FILE 1
#define IDQUAL_TAG 2
/* The use for checking proposal payload. This is not exchange type. */
#define IPSECDOI_TYPE_PH1 0
#define IPSECDOI_TYPE_PH2 1
/*
* Prefix that will make ipsecdoi_sockaddr2id() generate address type
* identities without knowning the exact length of address.
*/
#define IPSECDOI_PREFIX_HOST 0xff
struct isakmpsa;
struct ipsecdoi_pl_sa;
struct saprop;
struct saproto;
struct satrns;
struct prop_pair;
extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *));
extern int ipsecdoi_selectph2proposal __P((struct ph2handle *));
extern int ipsecdoi_checkph2proposal __P((struct ph2handle *));
extern struct prop_pair **get_proppair __P((vchar_t *, int));
extern vchar_t *get_sabyproppair __P((u_int32_t, u_int32_t, struct prop_pair *));
extern int ipsecdoi_updatespi __P((struct ph2handle *iph2));
extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *));
extern int ipsecdoi_chkcmpids( const vchar_t *, const vchar_t *, int );
extern int ipsecdoi_checkid1 __P((struct ph1handle *));
extern int ipsecdoi_setid1 __P((struct ph1handle *));
extern int set_identifier __P((vchar_t **, int, vchar_t *));
extern int set_identifier_qual __P((vchar_t **, int, vchar_t *, int));
extern int ipsecdoi_setid2 __P((struct ph2handle *));
extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int));
extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *,
u_int8_t *, u_int16_t *));
extern char *ipsecdoi_id2str __P((const vchar_t *));
extern vchar_t *ipsecdoi_sockrange2id __P(( struct sockaddr *,
struct sockaddr *, u_int));
extern vchar_t *ipsecdoi_setph1proposal __P((struct remoteconf *,
struct isakmpsa *));
extern int ipsecdoi_setph2proposal __P((struct ph2handle *));
extern int ipsecdoi_transportmode __P((struct saprop *));
extern int ipsecdoi_get_defaultlifetime __P((void));
extern int ipsecdoi_checkalgtypes __P((int, int, int, int));
extern int ipproto2doi __P((int));
extern int doi2ipproto __P((int));
extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *,
struct saprop *, struct saproto *, struct satrns *));
extern int ipsecdoi_authalg2trnsid __P((int));
extern int idtype2doi __P((int));
extern int doi2idtype __P((int));
extern int ipsecdoi_parse_responder_lifetime __P((struct isakmp_pl_n *notify,
u_int32_t *lifetime_sec, u_int32_t *liftime_kb));
#endif /* _IPSEC_DOI_H */
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