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 #include "isakmp.h"
  36
  37 /* refered to RFC2407 */
  38
  39 #define IPSEC_DOI 1
  40
  41 /* 4.2 IPSEC Situation Definition */
  42 #define IPSECDOI_SIT_IDENTITY_ONLY           0x00000001
  43 #define IPSECDOI_SIT_SECRECY                 0x00000002
  44 #define IPSECDOI_SIT_INTEGRITY               0x00000004
  45
  46 /* 4.4.1 IPSEC Security Protocol Identifiers */
  47   /* 4.4.2 IPSEC ISAKMP Transform Values */
  48 #define IPSECDOI_PROTO_ISAKMP                        1
  49 #define   IPSECDOI_KEY_IKE                             1
  50
  51 /* 4.4.1 IPSEC Security Protocol Identifiers */
  52 #define IPSECDOI_PROTO_IPSEC_AH                      2
  53   /* 4.4.3 IPSEC AH Transform Values */
  54 #define   IPSECDOI_AH_MD5                              2
  55 #define   IPSECDOI_AH_SHA                              3
  56 #define   IPSECDOI_AH_DES                              4
  57 #define   IPSECDOI_AH_SHA256                           5
  58 #define   IPSECDOI_AH_SHA384                           6
  59 #define   IPSECDOI_AH_SHA512                           7
  60
  61 /* 4.4.1 IPSEC Security Protocol Identifiers */
  62 #define IPSECDOI_PROTO_IPSEC_ESP                     3
  63   /* 4.4.4 IPSEC ESP Transform Identifiers */
  64 #define   IPSECDOI_ESP_DES_IV64                         1
  65 #define   IPSECDOI_ESP_DES                              2
  66 #define   IPSECDOI_ESP_3DES                             3
  67 #define   IPSECDOI_ESP_RC5                              4
  68 #define   IPSECDOI_ESP_IDEA                             5
  69 #define   IPSECDOI_ESP_CAST                             6
  70 #define   IPSECDOI_ESP_BLOWFISH                         7
  71 #define   IPSECDOI_ESP_3IDEA                            8
  72 #define   IPSECDOI_ESP_DES_IV32                         9
  73 #define   IPSECDOI_ESP_RC4                              10
  74 #define   IPSECDOI_ESP_NULL                             11
  75 #define   IPSECDOI_ESP_AES                              12
  76 #if 1
  77   /* draft-ietf-ipsec-ciph-aes-cbc-00.txt */
  78 #define   IPSECDOI_ESP_TWOFISH                          253
  79 #else
  80   /* SSH uses these value for now */
  81 #define   IPSECDOI_ESP_TWOFISH                          250
  82 #endif
  83
  84 /* 4.4.1 IPSEC Security Protocol Identifiers */
  85 #define IPSECDOI_PROTO_IPCOMP                        4
  86   /* 4.4.5 IPSEC IPCOMP Transform Identifiers */
  87 #define   IPSECDOI_IPCOMP_OUI                           1
  88 #define   IPSECDOI_IPCOMP_DEFLATE                       2
  89 #define   IPSECDOI_IPCOMP_LZS                           3
  90
  91 /* 4.5 IPSEC Security Association Attributes */
  92 /* NOTE: default value is not included in a packet. */
  93 #define IPSECDOI_ATTR_SA_LD_TYPE              1 /* B */
  94 #define   IPSECDOI_ATTR_SA_LD_TYPE_DEFAULT      1
  95 #define   IPSECDOI_ATTR_SA_LD_TYPE_SEC          1
  96 #define   IPSECDOI_ATTR_SA_LD_TYPE_KB           2
  97 #define   IPSECDOI_ATTR_SA_LD_TYPE_MAX          3
  98 #define IPSECDOI_ATTR_SA_LD                   2 /* V */
  99 #define   IPSECDOI_ATTR_SA_LD_SEC_DEFAULT      28800 /* 8 hours */
 100 #define   IPSECDOI_ATTR_SA_LD_KB_MAX  (~(1 << ((sizeof(int) << 3) - 1)))
 101 #define IPSECDOI_ATTR_GRP_DESC                3 /* B */
 102 #define IPSECDOI_ATTR_ENC_MODE                4 /* B */
 103         /* default value: host dependent */
 104 #define   IPSECDOI_ATTR_ENC_MODE_ANY            0       /* NOTE:internal use */
 105 #define   IPSECDOI_ATTR_ENC_MODE_TUNNEL         1
 106 #define   IPSECDOI_ATTR_ENC_MODE_TRNS           2
 107
 108 /* NAT-T draft-ietf-ipsec-nat-t-ike-05 and later */
 109 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_RFC  3
 110 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_RFC    4
 111
 112 /* NAT-T up to draft-ietf-ipsec-nat-t-ike-04 */
 113 #define   IPSECDOI_ATTR_ENC_MODE_UDPTUNNEL_DRAFT        61443
 114 #define   IPSECDOI_ATTR_ENC_MODE_UDPTRNS_DRAFT          61444
 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_AUTH_HMAC_SHA2_256      5
 123 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_384      6
 124 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA2_512      7
 125 #define   IPSECDOI_ATTR_AUTH_HMAC_MD5_96        252 /* NOTE:internal use */
 126 #define   IPSECDOI_ATTR_AUTH_HMAC_SHA1_96       253 /* NOTE:internal use */
 127 #define   IPSECDOI_ATTR_AUTH_NONE               254     /* NOTE:internal use */
 128         /*
 129          * When negotiating ESP without authentication, the Auth
 130          * Algorithm attribute MUST NOT be included in the proposal.
 131          * When negotiating ESP without confidentiality, the Auth
 132          * Algorithm attribute MUST be included in the proposal and
 133          * the ESP transform ID must be ESP_NULL.
 134         */
 135 #define IPSECDOI_ATTR_KEY_LENGTH              6 /* B */
 136 #define IPSECDOI_ATTR_KEY_ROUNDS              7 /* B */
 137 #define IPSECDOI_ATTR_COMP_DICT_SIZE          8 /* B */
 138 #define IPSECDOI_ATTR_COMP_PRIVALG            9 /* V */
 139
 140 /* 4.6.1 Security Association Payload */
 141 struct ipsecdoi_pl_sa {
 142         struct isakmp_gen h;
 143         struct ipsecdoi_sa_b {
 144                 u_int32_t doi; /* Domain of Interpretation */
 145                 u_int32_t sit; /* Situation */
 146         } b;
 147         /* followed by Leveled Domain Identifier and so on. */
 148 } __attribute__((__packed__));
 149
 150 struct ipsecdoi_secrecy_h {
 151         u_int16_t len;
 152         u_int16_t reserved;
 153         /* followed by the value */
 154 } __attribute__((__packed__));
 155
 156 /* 4.6.2 Identification Payload Content */
 157 struct ipsecdoi_pl_id {
 158         struct isakmp_gen h;
 159         struct ipsecdoi_id_b {
 160                 u_int8_t type;          /* ID Type */
 161                 u_int8_t proto_id;      /* Protocol ID */
 162                 u_int16_t port;         /* Port */
 163         } b;
 164         /* followed by Identification Data */
 165 } __attribute__((__packed__));
 166
 167 #define IPSECDOI_ID_IPV4_ADDR                        1
 168 #define IPSECDOI_ID_FQDN                             2
 169 #define IPSECDOI_ID_USER_FQDN                        3
 170 #define IPSECDOI_ID_IPV4_ADDR_SUBNET                 4
 171 #define IPSECDOI_ID_IPV6_ADDR                        5
 172 #define IPSECDOI_ID_IPV6_ADDR_SUBNET                 6
 173 #define IPSECDOI_ID_IPV4_ADDR_RANGE                  7
 174 #define IPSECDOI_ID_IPV6_ADDR_RANGE                  8
 175 #define IPSECDOI_ID_DER_ASN1_DN                      9
 176 #define IPSECDOI_ID_DER_ASN1_GN                      10
 177 #define IPSECDOI_ID_KEY_ID                           11
 178
 179 /* compressing doi type, it's internal use. */
 180 #define IDTYPE_UNDEFINED        0
 181 #define IDTYPE_FQDN             1
 182 #define IDTYPE_USERFQDN         2
 183 #define IDTYPE_KEYID            3
 184 #define IDTYPE_ADDRESS          4
 185 #define IDTYPE_ASN1DN           5
 186 #define IDTYPE_LOGIN            6
 187 #define IDTYPE_SUBNET           7
 188 #define IDTYPE_KEYIDUSE     8
 189 #define IDTYPE_MAX          IDTYPE_KEYIDUSE + 1
 190
 191 /* shared secret type, it's internal use. */
 192 #define SECRETTYPE_USE                          0
 193 #define SECRETTYPE_KEY                          1
 194 #define SECRETTYPE_KEYCHAIN                     2
 195 #define SECRETTYPE_KEYCHAIN_BY_ID       3
 196
 197 /* verification modules */
 198 #define VERIFICATION_MODULE_OPENSSL                     0
 199 #define VERIFICATION_MODULE_SEC_FRAMEWORK       1
 200
 201 /* verification options */
 202 #define VERIFICATION_OPTION_NONE                                0
 203 #define VERIFICATION_OPTION_PEERS_IDENTIFIER    1
 204 #define VERIFICATION_OPTION_OPEN_DIR                    2
 205
 206 /* qualifiers for KEYID (and maybe others) */
 207 #define IDQUAL_UNSPEC           0
 208 #define IDQUAL_FILE             1
 209 #define IDQUAL_TAG              2
 210
 211
 212 /* The use for checking proposal payload. This is not exchange type. */
 213 #define IPSECDOI_TYPE_PH1               0
 214 #define IPSECDOI_TYPE_PH2               1
 215
 216 struct isakmpsa;
 217 struct ipsecdoi_pl_sa;
 218 struct saprop;
 219 struct saproto;
 220 struct satrns;
 221 struct prop_pair;
 222
 223 extern struct isakmpsa *get_ph1approvalx (struct prop_pair *,
 224                                                                                   struct isakmpsa *, struct isakmpsa *, int);
 225 extern int ipsecdoi_checkph1proposal (vchar_t *, phase1_handle_t *);
 226 extern int ipsecdoi_selectph2proposal (phase2_handle_t *);
 227 extern int ipsecdoi_checkph2proposal (phase2_handle_t *);
 228
 229 extern struct prop_pair **get_proppair (vchar_t *, int);
 230 extern vchar_t *get_sabyproppair (struct prop_pair *, phase1_handle_t *);
 231 extern int ipsecdoi_updatespi (phase2_handle_t *iph2);
 232 extern vchar_t *get_sabysaprop (struct saprop *, vchar_t *);
 233 extern int ipsecdoi_chkcmpids (const vchar_t *, const vchar_t *, int );
 234 extern int ipsecdoi_checkid1 (phase1_handle_t *);
 235 extern int ipsecdoi_setid1 (phase1_handle_t *);
 236 extern int set_identifier (vchar_t **, int, vchar_t *);
 237 extern int set_identifier_qual (vchar_t **, int, vchar_t *, int);
 238 extern int ipsecdoi_setid2 (phase2_handle_t *);
 239 extern vchar_t *ipsecdoi_sockaddr2id (struct sockaddr_storage *, u_int, u_int);
 240 extern int ipsecdoi_id2sockaddr (vchar_t *, struct sockaddr_storage *,
 241         u_int8_t *, u_int16_t *, int);
 242 extern char *ipsecdoi_id2str (const vchar_t *);
 243 extern vchar_t *ipsecdoi_sockrange2id (struct sockaddr_storage *,
 244         struct sockaddr_storage *, u_int);
 245
 246 extern vchar_t *ipsecdoi_setph1proposal (phase1_handle_t *);
 247 extern int ipsecdoi_setph2proposal (phase2_handle_t *, int);
 248 extern int ipsecdoi_transportmode (struct saprop *);
 249 extern int ipsecdoi_tunnelmode (phase2_handle_t *);
 250 extern int ipsecdoi_any_transportmode (struct saprop *);
 251 extern int ipsecdoi_get_defaultlifetime (void);
 252 extern int ipsecdoi_checkalgtypes (int, int, int, int);
 253 extern int ipproto2doi (int);
 254 extern int doi2ipproto (int);
 255
 256 extern int ipsecdoi_t2satrns (struct isakmp_pl_t *,
 257         struct saprop *, struct saproto *, struct satrns *);
 258 extern int ipsecdoi_authalg2trnsid (int);
 259 extern int idtype2doi (int);
 260 extern int doi2idtype (int);
 261 extern int check_spi_size (int, int);
 262 extern void print_ph1mismatched (struct prop_pair *, struct isakmpsa *);
 263
 264
 265 #endif /* _IPSEC_DOI_H */