racoon.tproj/ipsec_doi.h

   1 /*      $KAME: ipsec_doi.h,v 1.34 2001/08/16 06:20:35 itojun Exp $      */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifndef __IPSEC_DOI_H__
  33 #define __IPSEC_DOI_H__
  34
  35 /* refered to RFC2407 */
  36
  37 #define IPSEC_DOI 1
  38
  39 /* 4.2 IPSEC Situation Definition */
  40 #define IPSECDOI_SIT_IDENTITY_ONLY           0x00000001
  41 #define IPSECDOI_SIT_SECRECY                 0x00000002
  42 #define IPSECDOI_SIT_INTEGRITY               0x00000004
  43
  44 /* 4.4.1 IPSEC Security Protocol Identifiers */
  45   /* 4.4.2 IPSEC ISAKMP Transform Values */
  46 #define IPSECDOI_PROTO_ISAKMP                        1
  47 #define   IPSECDOI_KEY_IKE                             1
  48
  49 /* 4.4.1 IPSEC Security Protocol Identifiers */
  50 #define IPSECDOI_PROTO_IPSEC_AH                      2
  51   /* 4.4.3 IPSEC AH Transform Values */
  52 #define   IPSECDOI_AH_MD5                              2
  53 #define   IPSECDOI_AH_SHA                              3
  54 #define   IPSECDOI_AH_DES                              4
  55 #define   IPSECDOI_AH_SHA2_256                         5
  56 #define   IPSECDOI_AH_SHA2_384                         6
  57 #define   IPSECDOI_AH_SHA2_512                         7
  58
  59 /* 4.4.1 IPSEC Security Protocol Identifiers */
  60 #define IPSECDOI_PROTO_IPSEC_ESP                     3
  61   /* 4.4.4 IPSEC ESP Transform Identifiers */
  62 #define   IPSECDOI_ESP_DES_IV64                        1
  63 #define   IPSECDOI_ESP_DES                             2
  64 #define   IPSECDOI_ESP_3DES                            3
  65 #define   IPSECDOI_ESP_RC5                             4
  66 #define   IPSECDOI_ESP_IDEA                            5
  67 #define   IPSECDOI_ESP_CAST                            6
  68 #define   IPSECDOI_ESP_BLOWFISH                         7
  69 #define   IPSECDOI_ESP_3IDEA                           8
  70 #define   IPSECDOI_ESP_DES_IV32                        9
  71 #define   IPSECDOI_ESP_RC4                            10
  72 #define   IPSECDOI_ESP_NULL                           11
  73 #define   IPSECDOI_ESP_RIJNDAEL                         12
  74 #define   IPSECDOI_ESP_AES                              12
  75 #if 1
  76   /* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
  77 #define   IPSECDOI_ESP_TWOFISH                          253
  78 #else
  79   /* SSH uses these value for now */
  80 #define   IPSECDOI_ESP_TWOFISH                          250
  81 #endif
  82
  83 /* 4.4.1 IPSEC Security Protocol Identifiers */
  84 #define IPSECDOI_PROTO_IPCOMP                        4
  85   /* 4.4.5 IPSEC IPCOMP Transform Identifiers */
  86 #define   IPSECDOI_IPCOMP_OUI                          1
  87 #define   IPSECDOI_IPCOMP_DEFLATE                      2
  88 #define   IPSECDOI_IPCOMP_LZS                          3
  89
  90 /* 4.5 IPSEC Security Association Attributes */
  91 /* NOTE: default value is not included in a packet. */
  92 #define IPSECDOI_ATTR_SA_LD_TYPE              1 /* B */
  93 #define   IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT      1
  94 #define   IPSECDOI_ATTR_SA_LD_TYPE_SEC          1
  95 #define   IPSECDOI_ATTR_SA_LD_TYPE_KB           2
  96 #define   IPSECDOI_ATTR_SA_LD_TYPE_MAX          3
  97 #define IPSECDOI_ATTR_SA_LD                   2 /* V */
  98 #define   IPSECDOI_ATTR_SA_LD_SEC_DEFAULT      28800 /* 8 hours */
  99 #define   IPSECDOI_ATTR_SA_LD_KB_MAX  (~(1 << ((sizeof(int) << 3) - 1)))
 100 #define IPSECDOI_ATTR_GRP_DESC                3 /* B */
 101 #define IPSECDOI_ATTR_ENC_MODE                4 /* B */
 102         /* default value: host dependent */
 103 #define   IPSECDOI_ATTR_ENC_MODE_ANY            0       /* NOTE:internal use */
 104 #define   IPSECDOI_ATTR_ENC_MODE_TUNNEL         1
 105 #define   IPSECDOI_ATTR_ENC_MODE_TRNS           2
 106
 107 /* NAT-T up to draft-ietf-ipsec-nat-t-ike-04 */
 108 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_DRAFT        61443
 109 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_DRAFT          61444
 110
 111 /* NAT-T draft-ietf-ipsec-nat-t-ike-05 and later */
 112 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_RFC  3
 113 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_RFC    4
 114
 115
 116 #define IPSECDOI_ATTR_AUTH                    5 /* B */
 117         /* 0 means not to use authentication. */
 118 #define   IPSECDOI_ATTR_AUTH_HMAC_MD5           1
 119 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA1          2
 120 #define   IPSECDOI_ATTR_AUTH_DES_MAC            3
 121 #define   IPSECDOI_ATTR_AUTH_KPDK               4 /*RFC-1826(Key/Pad/Data/Key)*/
 122 #define   IPSECDOI_ATTR_SHA2_256                5
 123 #define   IPSECDOI_ATTR_SHA2_384                6
 124 #define   IPSECDOI_ATTR_SHA2_512                7
 125 #define   IPSECDOI_ATTR_AUTH_NONE               254     /* NOTE:internal use */
 126         /*
 127          * When negotiating ESP without authentication, the Auth
 128          * Algorithm attribute MUST NOT be included in the proposal.
 129          * When negotiating ESP without confidentiality, the Auth
 130          * Algorithm attribute MUST be included in the proposal and
 131          * the ESP transform ID must be ESP_NULL.
 132         */
 133 #define IPSECDOI_ATTR_KEY_LENGTH              6 /* B */
 134 #define IPSECDOI_ATTR_KEY_ROUNDS              7 /* B */
 135 #define IPSECDOI_ATTR_COMP_DICT_SIZE          8 /* B */
 136 #define IPSECDOI_ATTR_COMP_PRIVALG            9 /* V */
 137
 138 /* 4.6.1 Security Association Payload */
 139 struct ipsecdoi_pl_sa {
 140         struct isakmp_gen h;
 141         struct ipsecdoi_sa_b {
 142                 u_int32_t doi; /* Domain of Interpretation */
 143                 u_int32_t sit; /* Situation */
 144         } b;
 145         /* followed by Leveled Domain Identifier and so on. */
 146 } __attribute__((__packed__));
 147
 148 struct ipsecdoi_secrecy_h {
 149         u_int16_t len;
 150         u_int16_t reserved;
 151         /* followed by the value */
 152 } __attribute__((__packed__));
 153
 154 /* 4.6.2 Identification Payload Content */
 155 struct ipsecdoi_pl_id {
 156         struct isakmp_gen h;
 157         struct ipsecdoi_id_b {
 158                 u_int8_t type;          /* ID Type */
 159                 u_int8_t proto_id;      /* Protocol ID */
 160                 u_int16_t port;         /* Port */
 161         } b;
 162         /* followed by Identification Data */
 163 } __attribute__((__packed__));
 164
 165 #define IPSECDOI_ID_IPV4_ADDR                        1
 166 #define IPSECDOI_ID_FQDN                             2
 167 #define IPSECDOI_ID_USER_FQDN                        3
 168 #define IPSECDOI_ID_IPV4_ADDR_SUBNET                 4
 169 #define IPSECDOI_ID_IPV6_ADDR                        5
 170 #define IPSECDOI_ID_IPV6_ADDR_SUBNET                 6
 171 #define IPSECDOI_ID_IPV4_ADDR_RANGE                  7
 172 #define IPSECDOI_ID_IPV6_ADDR_RANGE                  8
 173 #define IPSECDOI_ID_DER_ASN1_DN                      9
 174 #define IPSECDOI_ID_DER_ASN1_GN                      10
 175 #define IPSECDOI_ID_KEY_ID                           11
 176
 177 /* compressing doi type, it's internal use. */
 178 #define IDTYPE_FQDN                     0
 179 #define IDTYPE_USERFQDN         1
 180 #define IDTYPE_KEYID            2
 181 #define IDTYPE_ADDRESS          3
 182 #define IDTYPE_ASN1DN           4
 183
 184 /* shared secret type, it's internal use. */
 185 #define SECRETTYPE_USE          0
 186 #define SECRETTYPE_KEY          1
 187 #define SECRETTYPE_KEYCHAIN     2
 188
 189 /* verification modules */
 190 #define VERIFICATION_MODULE_OPENSSL                     0
 191 #define VERIFICATION_MODULE_SEC_FRAMEWORK       1
 192
 193 /* verification options */
 194 #define VERIFICATION_OPTION_NONE                                0
 195 #define VERIFICATION_OPTION_PEERS_IDENTIFIER    1
 196 #define VERIFICATION_OPTION_OPEN_DIR                    2
 197
 198 /* The use for checking proposal payload. This is not exchange type. */
 199 #define IPSECDOI_TYPE_PH1       0
 200 #define IPSECDOI_TYPE_PH2       1
 201
 202 struct isakmpsa;
 203 struct ipsecdoi_pl_sa;
 204 struct saprop;
 205 struct saproto;
 206 struct satrns;
 207 struct prop_pair;
 208
 209 extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *));
 210 extern int ipsecdoi_selectph2proposal __P((struct ph2handle *));
 211 extern int ipsecdoi_checkph2proposal __P((struct ph2handle *));
 212
 213 extern struct prop_pair **get_proppair __P((vchar_t *, int));
 214 extern vchar_t *get_sabyproppair __P((struct prop_pair *, struct ph1handle *));
 215 extern int ipsecdoi_updatespi __P((struct ph2handle *iph2));
 216 extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *));
 217 extern int ipsecdoi_checkid1 __P((struct ph1handle *));
 218 extern int ipsecdoi_setid1 __P((struct ph1handle *));
 219 extern int set_identifier __P((vchar_t **, int, vchar_t *));
 220 extern int ipsecdoi_setid2 __P((struct ph2handle *));
 221 extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int));
 222 extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *,
 223         u_int8_t *, u_int16_t *));
 224 extern const char *ipsecdoi_id2str __P((const vchar_t *));
 225
 226 extern vchar_t *ipsecdoi_setph1proposal __P((struct isakmpsa *));
 227 extern int ipsecdoi_setph2proposal __P((struct ph2handle *));
 228 extern int ipsecdoi_transportmode __P((struct ph2handle *));
 229 extern int ipsecdoi_tunnelmode __P((struct ph2handle *));
 230 extern int ipsecdoi_get_defaultlifetime __P((void));
 231 extern int ipsecdoi_checkalgtypes __P((int, int, int, int));
 232 extern int ipproto2doi __P((int));
 233 extern int doi2ipproto __P((int));
 234
 235 extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *,
 236         struct saprop *, struct saproto *, struct satrns *));
 237 extern int ipsecdoi_authalg2trnsid __P((int));
 238 extern int idtype2doi __P((int));
 239 extern int doi2idtype __P((int));
 240
 241
 242 #endif /* __IPSEC_DOI_H__ */
 243