213 lines
8.9 KiB
C
213 lines
8.9 KiB
C
/* $KAME: ipsec_doi.h,v 1.35 2003/06/27 07:32:38 sakane Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* refered to RFC2407 */
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#define IPSEC_DOI 1
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/* 4.2 IPSEC Situation Definition */
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#define IPSECDOI_SIT_IDENTITY_ONLY 0x00000001
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#define IPSECDOI_SIT_SECRECY 0x00000002
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#define IPSECDOI_SIT_INTEGRITY 0x00000004
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/* 4.4.1 IPSEC Security Protocol Identifiers */
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/* 4.4.2 IPSEC ISAKMP Transform Values */
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#define IPSECDOI_PROTO_ISAKMP 1
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#define IPSECDOI_KEY_IKE 1
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/* 4.4.1 IPSEC Security Protocol Identifiers */
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#define IPSECDOI_PROTO_IPSEC_AH 2
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/* 4.4.3 IPSEC AH Transform Values */
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#define IPSECDOI_AH_MD5 2
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#define IPSECDOI_AH_SHA 3
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#define IPSECDOI_AH_DES 4
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#define IPSECDOI_AH_SHA2_256 5
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#define IPSECDOI_AH_SHA2_384 6
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#define IPSECDOI_AH_SHA2_512 7
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/* 4.4.1 IPSEC Security Protocol Identifiers */
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#define IPSECDOI_PROTO_IPSEC_ESP 3
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/* 4.4.4 IPSEC ESP Transform Identifiers */
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#define IPSECDOI_ESP_DES_IV64 1
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#define IPSECDOI_ESP_DES 2
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#define IPSECDOI_ESP_3DES 3
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#define IPSECDOI_ESP_RC5 4
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#define IPSECDOI_ESP_IDEA 5
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#define IPSECDOI_ESP_CAST 6
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#define IPSECDOI_ESP_BLOWFISH 7
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#define IPSECDOI_ESP_3IDEA 8
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#define IPSECDOI_ESP_DES_IV32 9
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#define IPSECDOI_ESP_RC4 10
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#define IPSECDOI_ESP_NULL 11
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#define IPSECDOI_ESP_RIJNDAEL 12
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#define IPSECDOI_ESP_AES 12
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#if 1
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/* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
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#define IPSECDOI_ESP_TWOFISH 253
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#else
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/* SSH uses these value for now */
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#define IPSECDOI_ESP_TWOFISH 250
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#endif
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/* 4.4.1 IPSEC Security Protocol Identifiers */
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#define IPSECDOI_PROTO_IPCOMP 4
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/* 4.4.5 IPSEC IPCOMP Transform Identifiers */
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#define IPSECDOI_IPCOMP_OUI 1
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#define IPSECDOI_IPCOMP_DEFLATE 2
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#define IPSECDOI_IPCOMP_LZS 3
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/* 4.5 IPSEC Security Association Attributes */
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/* NOTE: default value is not included in a packet. */
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#define IPSECDOI_ATTR_SA_LD_TYPE 1 /* B */
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#define IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT 1
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#define IPSECDOI_ATTR_SA_LD_TYPE_SEC 1
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#define IPSECDOI_ATTR_SA_LD_TYPE_KB 2
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#define IPSECDOI_ATTR_SA_LD_TYPE_MAX 3
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#define IPSECDOI_ATTR_SA_LD 2 /* V */
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#define IPSECDOI_ATTR_SA_LD_SEC_DEFAULT 28800 /* 8 hours */
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#define IPSECDOI_ATTR_SA_LD_KB_MAX (~(1 << ((sizeof(int) << 3) - 1)))
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#define IPSECDOI_ATTR_GRP_DESC 3 /* B */
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#define IPSECDOI_ATTR_ENC_MODE 4 /* B */
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/* default value: host dependent */
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#define IPSECDOI_ATTR_ENC_MODE_ANY 0 /* NOTE:internal use */
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#define IPSECDOI_ATTR_ENC_MODE_TUNNEL 1
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#define IPSECDOI_ATTR_ENC_MODE_TRNS 2
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#define IPSECDOI_ATTR_AUTH 5 /* B */
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/* 0 means not to use authentication. */
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#define IPSECDOI_ATTR_AUTH_HMAC_MD5 1
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#define IPSECDOI_ATTR_AUTH_HMAC_SHA1 2
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#define IPSECDOI_ATTR_AUTH_DES_MAC 3
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#define IPSECDOI_ATTR_AUTH_KPDK 4 /*RFC-1826(Key/Pad/Data/Key)*/
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#define IPSECDOI_ATTR_SHA2_256 5
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#define IPSECDOI_ATTR_SHA2_384 6
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#define IPSECDOI_ATTR_SHA2_512 7
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#define IPSECDOI_ATTR_AUTH_NONE 254 /* NOTE:internal use */
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/*
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* When negotiating ESP without authentication, the Auth
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* Algorithm attribute MUST NOT be included in the proposal.
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* When negotiating ESP without confidentiality, the Auth
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* Algorithm attribute MUST be included in the proposal and
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* the ESP transform ID must be ESP_NULL.
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*/
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#define IPSECDOI_ATTR_KEY_LENGTH 6 /* B */
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#define IPSECDOI_ATTR_KEY_ROUNDS 7 /* B */
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#define IPSECDOI_ATTR_COMP_DICT_SIZE 8 /* B */
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#define IPSECDOI_ATTR_COMP_PRIVALG 9 /* V */
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/* 4.6.1 Security Association Payload */
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struct ipsecdoi_pl_sa {
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struct isakmp_gen h;
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struct ipsecdoi_sa_b {
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u_int32_t doi; /* Domain of Interpretation */
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u_int32_t sit; /* Situation */
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} b;
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/* followed by Leveled Domain Identifier and so on. */
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} __attribute__((__packed__));
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struct ipsecdoi_secrecy_h {
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u_int16_t len;
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u_int16_t reserved;
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/* followed by the value */
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} __attribute__((__packed__));
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/* 4.6.2 Identification Payload Content */
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struct ipsecdoi_pl_id {
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struct isakmp_gen h;
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struct ipsecdoi_id_b {
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u_int8_t type; /* ID Type */
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u_int8_t proto_id; /* Protocol ID */
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u_int16_t port; /* Port */
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} b;
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/* followed by Identification Data */
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} __attribute__((__packed__));
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#define IPSECDOI_ID_IPV4_ADDR 1
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#define IPSECDOI_ID_FQDN 2
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#define IPSECDOI_ID_USER_FQDN 3
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#define IPSECDOI_ID_IPV4_ADDR_SUBNET 4
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#define IPSECDOI_ID_IPV6_ADDR 5
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#define IPSECDOI_ID_IPV6_ADDR_SUBNET 6
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#define IPSECDOI_ID_IPV4_ADDR_RANGE 7
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#define IPSECDOI_ID_IPV6_ADDR_RANGE 8
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#define IPSECDOI_ID_DER_ASN1_DN 9
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#define IPSECDOI_ID_DER_ASN1_GN 10
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#define IPSECDOI_ID_KEY_ID 11
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/* compressing doi type, it's internal use. */
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#define IDTYPE_FQDN 0
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#define IDTYPE_USERFQDN 1
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#define IDTYPE_KEYID 2
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#define IDTYPE_ADDRESS 3
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#define IDTYPE_ASN1DN 4
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/* The use for checking proposal payload. This is not exchange type. */
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#define IPSECDOI_TYPE_PH1 0
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#define IPSECDOI_TYPE_PH2 1
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struct isakmpsa;
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struct ipsecdoi_pl_sa;
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struct saprop;
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struct saproto;
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struct satrns;
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struct prop_pair;
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extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *));
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extern int ipsecdoi_selectph2proposal __P((struct ph2handle *));
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extern int ipsecdoi_checkph2proposal __P((struct ph2handle *));
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extern struct prop_pair **get_proppair __P((vchar_t *, int));
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extern vchar_t *get_sabyproppair __P((struct prop_pair *, struct ph1handle *));
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extern int ipsecdoi_updatespi __P((struct ph2handle *iph2));
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extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *));
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extern int ipsecdoi_checkid1 __P((struct ph1handle *));
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extern int ipsecdoi_setid1 __P((struct ph1handle *));
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extern int set_identifier __P((vchar_t **, int, vchar_t *));
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extern int ipsecdoi_setid2 __P((struct ph2handle *));
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extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int));
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extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *,
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u_int8_t *, u_int16_t *));
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extern const char *ipsecdoi_id2str __P((const vchar_t *));
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extern vchar_t *ipsecdoi_setph1proposal __P((struct isakmpsa *));
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extern int ipsecdoi_setph2proposal __P((struct ph2handle *));
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extern int ipsecdoi_transportmode __P((struct saprop *));
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extern int ipsecdoi_get_defaultlifetime __P((void));
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extern int ipsecdoi_checkalgtypes __P((int, int, int, int));
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extern int ipproto2doi __P((int));
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extern int doi2ipproto __P((int));
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extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *,
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struct saprop *, struct saproto *, struct satrns *));
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extern int ipsecdoi_authalg2trnsid __P((int));
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extern int idtype2doi __P((int));
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extern int doi2idtype __P((int));
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