crypto/dist/ipsec-tools/src/racoon/ipsec_doi.h

   1 /*      $NetBSD: ipsec_doi.h,v 1.11 2008/07/14 05:45:15 tteras Exp $    */
   2
   3 /* Id: ipsec_doi.h,v 1.15 2006/08/11 16:06:30 vanhu Exp */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _IPSEC_DOI_H
  35 #define _IPSEC_DOI_H
  36
  37 #include "isakmp.h"
  38
  39 /* refered to RFC2407 */
  40
  41 #define IPSEC_DOI 1
  42
  43 /* 4.2 IPSEC Situation Definition */
  44 #define IPSECDOI_SIT_IDENTITY_ONLY           0x00000001
  45 #define IPSECDOI_SIT_SECRECY                 0x00000002
  46 #define IPSECDOI_SIT_INTEGRITY               0x00000004
  47
  48 /* 4.4.1 IPSEC Security Protocol Identifiers */
  49   /* 4.4.2 IPSEC ISAKMP Transform Values */
  50 #define IPSECDOI_PROTO_ISAKMP                        1
  51 #define   IPSECDOI_KEY_IKE                             1
  52
  53 /* 4.4.1 IPSEC Security Protocol Identifiers */
  54 #define IPSECDOI_PROTO_IPSEC_AH                      2
  55   /* 4.4.3 IPSEC AH Transform Values */
  56 #define   IPSECDOI_AH_MD5                              2
  57 #define   IPSECDOI_AH_SHA                              3
  58 #define   IPSECDOI_AH_DES                              4
  59 #define   IPSECDOI_AH_SHA256                           5
  60 #define   IPSECDOI_AH_SHA384                           6
  61 #define   IPSECDOI_AH_SHA512                           7
  62
  63 /* 4.4.1 IPSEC Security Protocol Identifiers */
  64 #define IPSECDOI_PROTO_IPSEC_ESP                     3
  65   /* 4.4.4 IPSEC ESP Transform Identifiers */
  66 #define   IPSECDOI_ESP_DES_IV64                         1
  67 #define   IPSECDOI_ESP_DES                              2
  68 #define   IPSECDOI_ESP_3DES                             3
  69 #define   IPSECDOI_ESP_RC5                              4
  70 #define   IPSECDOI_ESP_IDEA                             5
  71 #define   IPSECDOI_ESP_CAST                             6
  72 #define   IPSECDOI_ESP_BLOWFISH                         7
  73 #define   IPSECDOI_ESP_3IDEA                            8
  74 #define   IPSECDOI_ESP_DES_IV32                         9
  75 #define   IPSECDOI_ESP_RC4                              10
  76 #define   IPSECDOI_ESP_NULL                             11
  77 #define   IPSECDOI_ESP_AES                              12
  78 #define   IPSECDOI_ESP_CAMELLIA                         22
  79 #if 1
  80   /* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
  81 #define   IPSECDOI_ESP_TWOFISH                          253
  82 #else
  83   /* SSH uses these value for now */
  84 #define   IPSECDOI_ESP_TWOFISH                          250
  85 #endif
  86
  87 /* 4.4.1 IPSEC Security Protocol Identifiers */
  88 #define IPSECDOI_PROTO_IPCOMP                        4
  89   /* 4.4.5 IPSEC IPCOMP Transform Identifiers */
  90 #define   IPSECDOI_IPCOMP_OUI                           1
  91 #define   IPSECDOI_IPCOMP_DEFLATE                       2
  92 #define   IPSECDOI_IPCOMP_LZS                           3
  93
  94 /* 4.5 IPSEC Security Association Attributes */
  95 /* NOTE: default value is not included in a packet. */
  96 #define IPSECDOI_ATTR_SA_LD_TYPE              1 /* B */
  97 #define   IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT      1
  98 #define   IPSECDOI_ATTR_SA_LD_TYPE_SEC          1
  99 #define   IPSECDOI_ATTR_SA_LD_TYPE_KB           2
 100 #define   IPSECDOI_ATTR_SA_LD_TYPE_MAX          3
 101 #define IPSECDOI_ATTR_SA_LD                   2 /* V */
 102 #define   IPSECDOI_ATTR_SA_LD_SEC_DEFAULT      28800 /* 8 hours */
 103 #define   IPSECDOI_ATTR_SA_LD_KB_MAX  (~(1 << ((sizeof(int) << 3) - 1)))
 104 #define IPSECDOI_ATTR_GRP_DESC                3 /* B */
 105 #define IPSECDOI_ATTR_ENC_MODE                4 /* B */
 106         /* default value: host dependent */
 107 #define   IPSECDOI_ATTR_ENC_MODE_ANY            0       /* NOTE:internal use */
 108 #define   IPSECDOI_ATTR_ENC_MODE_TUNNEL         1
 109 #define   IPSECDOI_ATTR_ENC_MODE_TRNS           2
 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 /* NAT-T up to draft-ietf-ipsec-nat-t-ike-04 */
 116 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_DRAFT        61443
 117 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_DRAFT          61444
 118
 119 #define IPSECDOI_ATTR_AUTH                    5 /* B */
 120         /* 0 means not to use authentication. */
 121 #define   IPSECDOI_ATTR_AUTH_HMAC_MD5           1
 122 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA1          2
 123 #define   IPSECDOI_ATTR_AUTH_DES_MAC            3
 124 #define   IPSECDOI_ATTR_AUTH_KPDK               4 /*RFC-1826(Key/Pad/Data/Key)*/
 125 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_256      5
 126 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_384      6
 127 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_512      7
 128 #define   IPSECDOI_ATTR_AUTH_NONE               254     /* NOTE:internal use */
 129         /*
 130          * When negotiating ESP without authentication, the Auth
 131          * Algorithm attribute MUST NOT be included in the proposal.
 132          * When negotiating ESP without confidentiality, the Auth
 133          * Algorithm attribute MUST be included in the proposal and
 134          * the ESP transform ID must be ESP_NULL.
 135         */
 136 #define IPSECDOI_ATTR_KEY_LENGTH              6 /* B */
 137 #define IPSECDOI_ATTR_KEY_ROUNDS              7 /* B */
 138 #define IPSECDOI_ATTR_COMP_DICT_SIZE          8 /* B */
 139 #define IPSECDOI_ATTR_COMP_PRIVALG            9 /* V */
 140
 141 #ifdef HAVE_SECCTX
 142 #define IPSECDOI_ATTR_SECCTX                 10 /* V */
 143 #endif
 144
 145 /* 4.6.1 Security Association Payload */
 146 struct ipsecdoi_pl_sa {
 147         struct isakmp_gen h;
 148         struct ipsecdoi_sa_b {
 149                 u_int32_t doi; /* Domain of Interpretation */
 150                 u_int32_t sit; /* Situation */
 151         } b;
 152         /* followed by Leveled Domain Identifier and so on. */
 153 } __attribute__((__packed__));
 154
 155 struct ipsecdoi_secrecy_h {
 156         u_int16_t len;
 157         u_int16_t reserved;
 158         /* followed by the value */
 159 } __attribute__((__packed__));
 160
 161 /* 4.6.2 Identification Payload Content */
 162 struct ipsecdoi_pl_id {
 163         struct isakmp_gen h;
 164         struct ipsecdoi_id_b {
 165                 u_int8_t type;          /* ID Type */
 166                 u_int8_t proto_id;      /* Protocol ID */
 167                 u_int16_t port;         /* Port */
 168         } b;
 169         /* followed by Identification Data */
 170 } __attribute__((__packed__));
 171
 172 #define IPSECDOI_ID_IPV4_ADDR                        1
 173 #define IPSECDOI_ID_FQDN                             2
 174 #define IPSECDOI_ID_USER_FQDN                        3
 175 #define IPSECDOI_ID_IPV4_ADDR_SUBNET                 4
 176 #define IPSECDOI_ID_IPV6_ADDR                        5
 177 #define IPSECDOI_ID_IPV6_ADDR_SUBNET                 6
 178 #define IPSECDOI_ID_IPV4_ADDR_RANGE                  7
 179 #define IPSECDOI_ID_IPV6_ADDR_RANGE                  8
 180 #define IPSECDOI_ID_DER_ASN1_DN                      9
 181 #define IPSECDOI_ID_DER_ASN1_GN                      10
 182 #define IPSECDOI_ID_KEY_ID                           11
 183
 184 /* compressing doi type, it's internal use. */
 185 #define IDTYPE_UNDEFINED        0
 186 #define IDTYPE_FQDN             1
 187 #define IDTYPE_USERFQDN         2
 188 #define IDTYPE_KEYID            3
 189 #define IDTYPE_ADDRESS          4
 190 #define IDTYPE_ASN1DN           5
 191 #define IDTYPE_SUBNET           6
 192
 193 /* qualifiers for KEYID (and maybe others) */
 194 #define IDQUAL_UNSPEC           0
 195 #define IDQUAL_FILE             1
 196 #define IDQUAL_TAG              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 /*
 203  * Prefix that will make ipsecdoi_sockaddr2id() generate address type
 204  * identities without knowning the exact length of address.
 205  */
 206 #define IPSECDOI_PREFIX_HOST    0xff
 207
 208 struct isakmpsa;
 209 struct ipsecdoi_pl_sa;
 210 struct saprop;
 211 struct saproto;
 212 struct satrns;
 213 struct prop_pair;
 214
 215 extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *));
 216 extern int ipsecdoi_selectph2proposal __P((struct ph2handle *));
 217 extern int ipsecdoi_checkph2proposal __P((struct ph2handle *));
 218
 219 extern struct prop_pair **get_proppair __P((vchar_t *, int));
 220 extern vchar_t *get_sabyproppair __P((u_int32_t, u_int32_t, struct prop_pair *));
 221 extern int ipsecdoi_updatespi __P((struct ph2handle *iph2));
 222 extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *));
 223 extern int ipsecdoi_chkcmpids( const vchar_t *, const vchar_t *, int );
 224 extern int ipsecdoi_checkid1 __P((struct ph1handle *));
 225 extern int ipsecdoi_setid1 __P((struct ph1handle *));
 226 extern int set_identifier __P((vchar_t **, int, vchar_t *));
 227 extern int set_identifier_qual __P((vchar_t **, int, vchar_t *, int));
 228 extern int ipsecdoi_setid2 __P((struct ph2handle *));
 229 extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int));
 230 extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *,
 231         u_int8_t *, u_int16_t *));
 232 extern char *ipsecdoi_id2str __P((const vchar_t *));
 233 extern vchar_t *ipsecdoi_sockrange2id __P((     struct sockaddr *,
 234         struct sockaddr *, u_int));
 235
 236 extern vchar_t *ipsecdoi_setph1proposal __P((struct remoteconf *,
 237                                              struct isakmpsa *));
 238 extern int ipsecdoi_setph2proposal __P((struct ph2handle *));
 239 extern int ipsecdoi_transportmode __P((struct saprop *));
 240 extern int ipsecdoi_get_defaultlifetime __P((void));
 241 extern int ipsecdoi_checkalgtypes __P((int, int, int, int));
 242 extern int ipproto2doi __P((int));
 243 extern int doi2ipproto __P((int));
 244
 245 extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *,
 246         struct saprop *, struct saproto *, struct satrns *));
 247 extern int ipsecdoi_authalg2trnsid __P((int));
 248 extern int idtype2doi __P((int));
 249 extern int doi2idtype __P((int));
 250
 251 extern int ipsecdoi_parse_responder_lifetime __P((struct isakmp_pl_n *notify,
 252         u_int32_t *lifetime_sec, u_int32_t *liftime_kb));
 253
 254
 255 #endif /* _IPSEC_DOI_H */