ipsec-tools/racoon/ipsec_doi.h

   1 /* $Id: ipsec_doi.h,v 1.9.2.2 2005/10/17 16:23:50 monas 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_SHA256                           5
  56 #define   IPSECDOI_AH_SHA384                           6
  57 #define   IPSECDOI_AH_SHA512                           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_AES                              12
  74 #if 1
  75   /* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
  76 #define   IPSECDOI_ESP_TWOFISH                          253
  77 #else
  78   /* SSH uses these value for now */
  79 #define   IPSECDOI_ESP_TWOFISH                          250
  80 #endif
  81
  82 /* 4.4.1 IPSEC Security Protocol Identifiers */
  83 #define IPSECDOI_PROTO_IPCOMP                        4
  84   /* 4.4.5 IPSEC IPCOMP Transform Identifiers */
  85 #define   IPSECDOI_IPCOMP_OUI                           1
  86 #define   IPSECDOI_IPCOMP_DEFLATE                       2
  87 #define   IPSECDOI_IPCOMP_LZS                           3
  88
  89 /* 4.5 IPSEC Security Association Attributes */
  90 /* NOTE: default value is not included in a packet. */
  91 #define IPSECDOI_ATTR_SA_LD_TYPE              1 /* B */
  92 #define   IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT      1
  93 #define   IPSECDOI_ATTR_SA_LD_TYPE_SEC          1
  94 #define   IPSECDOI_ATTR_SA_LD_TYPE_KB           2
  95 #define   IPSECDOI_ATTR_SA_LD_TYPE_MAX          3
  96 #define IPSECDOI_ATTR_SA_LD                   2 /* V */
  97 #define   IPSECDOI_ATTR_SA_LD_SEC_DEFAULT      28800 /* 8 hours */
  98 #define   IPSECDOI_ATTR_SA_LD_KB_MAX  (~(1 << ((sizeof(int) << 3) - 1)))
  99 #define IPSECDOI_ATTR_GRP_DESC                3 /* B */
 100 #define IPSECDOI_ATTR_ENC_MODE                4 /* B */
 101         /* default value: host dependent */
 102 #define   IPSECDOI_ATTR_ENC_MODE_ANY            0       /* NOTE:internal use */
 103 #define   IPSECDOI_ATTR_ENC_MODE_TUNNEL         1
 104 #define   IPSECDOI_ATTR_ENC_MODE_TRNS           2
 105
 106 /* NAT-T draft-ietf-ipsec-nat-t-ike-05 and later */
 107 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_RFC  3
 108 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_RFC    4
 109
 110 /* NAT-T up to draft-ietf-ipsec-nat-t-ike-04 */
 111 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_DRAFT        61443
 112 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_DRAFT          61444
 113
 114 #define IPSECDOI_ATTR_AUTH                    5 /* B */
 115         /* 0 means not to use authentication. */
 116 #define   IPSECDOI_ATTR_AUTH_HMAC_MD5           1
 117 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA1          2
 118 #define   IPSECDOI_ATTR_AUTH_DES_MAC            3
 119 #define   IPSECDOI_ATTR_AUTH_KPDK               4 /*RFC-1826(Key/Pad/Data/Key)*/
 120 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_256      5
 121 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_384      6
 122 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_512      7
 123 #define   IPSECDOI_ATTR_AUTH_NONE               254     /* NOTE:internal use */
 124         /*
 125          * When negotiating ESP without authentication, the Auth
 126          * Algorithm attribute MUST NOT be included in the proposal.
 127          * When negotiating ESP without confidentiality, the Auth
 128          * Algorithm attribute MUST be included in the proposal and
 129          * the ESP transform ID must be ESP_NULL.
 130         */
 131 #define IPSECDOI_ATTR_KEY_LENGTH              6 /* B */
 132 #define IPSECDOI_ATTR_KEY_ROUNDS              7 /* B */
 133 #define IPSECDOI_ATTR_COMP_DICT_SIZE          8 /* B */
 134 #define IPSECDOI_ATTR_COMP_PRIVALG            9 /* V */
 135
 136 /* 4.6.1 Security Association Payload */
 137 struct ipsecdoi_pl_sa {
 138         struct isakmp_gen h;
 139         struct ipsecdoi_sa_b {
 140                 u_int32_t doi; /* Domain of Interpretation */
 141                 u_int32_t sit; /* Situation */
 142         } b;
 143         /* followed by Leveled Domain Identifier and so on. */
 144 } __attribute__((__packed__));
 145
 146 struct ipsecdoi_secrecy_h {
 147         u_int16_t len;
 148         u_int16_t reserved;
 149         /* followed by the value */
 150 } __attribute__((__packed__));
 151
 152 /* 4.6.2 Identification Payload Content */
 153 struct ipsecdoi_pl_id {
 154         struct isakmp_gen h;
 155         struct ipsecdoi_id_b {
 156                 u_int8_t type;          /* ID Type */
 157                 u_int8_t proto_id;      /* Protocol ID */
 158                 u_int16_t port;         /* Port */
 159         } b;
 160         /* followed by Identification Data */
 161 } __attribute__((__packed__));
 162
 163 #define IPSECDOI_ID_IPV4_ADDR                        1
 164 #define IPSECDOI_ID_FQDN                             2
 165 #define IPSECDOI_ID_USER_FQDN                        3
 166 #define IPSECDOI_ID_IPV4_ADDR_SUBNET                 4
 167 #define IPSECDOI_ID_IPV6_ADDR                        5
 168 #define IPSECDOI_ID_IPV6_ADDR_SUBNET                 6
 169 #define IPSECDOI_ID_IPV4_ADDR_RANGE                  7
 170 #define IPSECDOI_ID_IPV6_ADDR_RANGE                  8
 171 #define IPSECDOI_ID_DER_ASN1_DN                      9
 172 #define IPSECDOI_ID_DER_ASN1_GN                      10
 173 #define IPSECDOI_ID_KEY_ID                           11
 174
 175 /* compressing doi type, it's internal use. */
 176 #define IDTYPE_UNDEFINED        0
 177 #define IDTYPE_FQDN             1
 178 #define IDTYPE_USERFQDN         2
 179 #define IDTYPE_KEYID            3
 180 #define IDTYPE_ADDRESS          4
 181 #define IDTYPE_ASN1DN           5
 182 #define IDTYPE_LOGIN            6
 183 #define IDTYPE_SUBNET           7
 184 #ifdef __APPLE__
 185 #define IDTYPE_KEYIDUSE     8
 186
 187 /* shared secret type, it's internal use. */
 188 #define SECRETTYPE_USE                          0
 189 #define SECRETTYPE_KEY                          1
 190 #define SECRETTYPE_KEYCHAIN                     2
 191 #define SECRETTYPE_KEYCHAIN_BY_ID       3
 192
 193 /* verification modules */
 194 #define VERIFICATION_MODULE_OPENSSL                     0
 195 #define VERIFICATION_MODULE_SEC_FRAMEWORK       1
 196
 197 /* verification options */
 198 #define VERIFICATION_OPTION_NONE                                0
 199 #define VERIFICATION_OPTION_PEERS_IDENTIFIER    1
 200 #define VERIFICATION_OPTION_OPEN_DIR                    2
 201 #endif
 202
 203 /* The use for checking proposal payload. This is not exchange type. */
 204 #define IPSECDOI_TYPE_PH1       0
 205 #define IPSECDOI_TYPE_PH2       1
 206
 207 struct isakmpsa;
 208 struct ipsecdoi_pl_sa;
 209 struct saprop;
 210 struct saproto;
 211 struct satrns;
 212 struct prop_pair;
 213
 214 extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *));
 215 extern int ipsecdoi_selectph2proposal __P((struct ph2handle *));
 216 extern int ipsecdoi_checkph2proposal __P((struct ph2handle *));
 217
 218 extern struct prop_pair **get_proppair __P((vchar_t *, int));
 219 extern vchar_t *get_sabyproppair __P((struct prop_pair *, struct ph1handle *));
 220 extern int ipsecdoi_updatespi __P((struct ph2handle *iph2));
 221 extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *));
 222 extern int ipsecdoi_checkid1 __P((struct ph1handle *));
 223 extern int ipsecdoi_setid1 __P((struct ph1handle *));
 224 extern int set_identifier __P((vchar_t **, int, vchar_t *));
 225 extern int ipsecdoi_setid2 __P((struct ph2handle *));
 226 extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int));
 227 extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *,
 228         u_int8_t *, u_int16_t *));
 229 extern const char *ipsecdoi_id2str __P((const vchar_t *));
 230
 231 extern vchar_t *ipsecdoi_setph1proposal __P((struct isakmpsa *));
 232 extern int ipsecdoi_setph2proposal __P((struct ph2handle *));
 233 extern int ipsecdoi_transportmode __P((struct saprop *));
 234 #ifdef __APPLE__
 235 extern int ipsecdoi_tunnelmode __P((struct ph2handle *));
 236 #endif
 237 extern int ipsecdoi_get_defaultlifetime __P((void));
 238 extern int ipsecdoi_checkalgtypes __P((int, int, int, int));
 239 extern int ipproto2doi __P((int));
 240 extern int doi2ipproto __P((int));
 241
 242 extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *,
 243         struct saprop *, struct saproto *, struct satrns *));
 244 extern int ipsecdoi_authalg2trnsid __P((int));
 245 extern int idtype2doi __P((int));
 246 extern int doi2idtype __P((int));
 247
 248
 249 #endif /* _IPSEC_DOI_H */