1 /* $NetBSD: oakley.h,v 1.4 2006/09/09 16:22:10 manu Exp $ */ 2 3 /* Id: oakley.h,v 1.13 2005/05/30 20:12:43 fredsen 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 _OAKLEY_H 35 #define _OAKLEY_H 36 37 #include "vmbuf.h" 38 39 /* refer to RFC 2409 */ 40 41 /* Attribute Classes */ 42 #define OAKLEY_ATTR_ENC_ALG 1 /* B */ 43 #define OAKLEY_ATTR_ENC_ALG_DES 1 44 #define OAKLEY_ATTR_ENC_ALG_IDEA 2 45 #define OAKLEY_ATTR_ENC_ALG_BLOWFISH 3 46 #define OAKLEY_ATTR_ENC_ALG_RC5 4 47 #define OAKLEY_ATTR_ENC_ALG_3DES 5 48 #define OAKLEY_ATTR_ENC_ALG_CAST 6 49 #define OAKLEY_ATTR_ENC_ALG_AES 7 50 /* 65001 - 65535 Private Use */ 51 #define OAKLEY_ATTR_HASH_ALG 2 /* B */ 52 #define OAKLEY_ATTR_HASH_ALG_MD5 1 53 #define OAKLEY_ATTR_HASH_ALG_SHA 2 54 #define OAKLEY_ATTR_HASH_ALG_TIGER 3 55 #if defined(WITH_SHA2) 56 #define OAKLEY_ATTR_HASH_ALG_SHA2_256 4 57 #define OAKLEY_ATTR_HASH_ALG_SHA2_384 5 58 #define OAKLEY_ATTR_HASH_ALG_SHA2_512 6 59 #endif 60 /* 65001 - 65535 Private Use */ 61 #define OAKLEY_ATTR_AUTH_METHOD 3 /* B */ 62 #define OAKLEY_ATTR_AUTH_METHOD_PSKEY 1 63 #define OAKLEY_ATTR_AUTH_METHOD_DSSSIG 2 64 #define OAKLEY_ATTR_AUTH_METHOD_RSASIG 3 65 #define OAKLEY_ATTR_AUTH_METHOD_RSAENC 4 66 #define OAKLEY_ATTR_AUTH_METHOD_RSAREV 5 67 #define OAKLEY_ATTR_AUTH_METHOD_EGENC 6 68 #define OAKLEY_ATTR_AUTH_METHOD_EGREV 7 69 /* Hybrid Auth */ 70 #ifdef ENABLE_HYBRID 71 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I 64221 72 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R 64222 73 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I 64223 74 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R 64224 75 76 /* 65001 - 65535 Private Use */ 77 78 /* Plain Xauth */ 79 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I 65001 80 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R 65002 81 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I 65003 82 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R 65004 83 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I 65005 84 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R 65006 85 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I 65007 86 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R 65008 87 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I 65009 88 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R 65010 89 #endif 90 91 /* 65500 -> still private 92 * to avoid clash with GSSAPI_KRB below 93 */ 94 #define FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I 65500 95 96 97 /* 98 * The following are valid when the Vendor ID is one of 99 * the following: 100 * 101 * MD5("A GSS-API Authentication Method for IKE") 102 * MD5("GSSAPI") (recognized by Windows 2000) 103 * MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000) 104 */ 105 #define OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB 65001 106 #define OAKLEY_ATTR_GRP_DESC 4 /* B */ 107 #define OAKLEY_ATTR_GRP_DESC_MODP768 1 108 #define OAKLEY_ATTR_GRP_DESC_MODP1024 2 109 #define OAKLEY_ATTR_GRP_DESC_EC2N155 3 110 #define OAKLEY_ATTR_GRP_DESC_EC2N185 4 111 #define OAKLEY_ATTR_GRP_DESC_MODP1536 5 112 #define OAKLEY_ATTR_GRP_DESC_MODP2048 14 113 #define OAKLEY_ATTR_GRP_DESC_MODP3072 15 114 #define OAKLEY_ATTR_GRP_DESC_MODP4096 16 115 #define OAKLEY_ATTR_GRP_DESC_MODP6144 17 116 #define OAKLEY_ATTR_GRP_DESC_MODP8192 18 117 /* 32768 - 65535 Private Use */ 118 #define OAKLEY_ATTR_GRP_TYPE 5 /* B */ 119 #define OAKLEY_ATTR_GRP_TYPE_MODP 1 120 #define OAKLEY_ATTR_GRP_TYPE_ECP 2 121 #define OAKLEY_ATTR_GRP_TYPE_EC2N 3 122 /* 65001 - 65535 Private Use */ 123 #define OAKLEY_ATTR_GRP_PI 6 /* V */ 124 #define OAKLEY_ATTR_GRP_GEN_ONE 7 /* V */ 125 #define OAKLEY_ATTR_GRP_GEN_TWO 8 /* V */ 126 #define OAKLEY_ATTR_GRP_CURVE_A 9 /* V */ 127 #define OAKLEY_ATTR_GRP_CURVE_B 10 /* V */ 128 #define OAKLEY_ATTR_SA_LD_TYPE 11 /* B */ 129 #define OAKLEY_ATTR_SA_LD_TYPE_DEFAULT 1 130 #define OAKLEY_ATTR_SA_LD_TYPE_SEC 1 131 #define OAKLEY_ATTR_SA_LD_TYPE_KB 2 132 #define OAKLEY_ATTR_SA_LD_TYPE_MAX 3 133 /* 65001 - 65535 Private Use */ 134 #define OAKLEY_ATTR_SA_LD 12 /* V */ 135 #define OAKLEY_ATTR_SA_LD_SEC_DEFAULT 28800 /* 8 hours */ 136 #define OAKLEY_ATTR_PRF 13 /* B */ 137 #define OAKLEY_ATTR_KEY_LEN 14 /* B */ 138 #define OAKLEY_ATTR_FIELD_SIZE 15 /* B */ 139 #define OAKLEY_ATTR_GRP_ORDER 16 /* V */ 140 #define OAKLEY_ATTR_BLOCK_SIZE 17 /* B */ 141 /* 16384 - 32767 Private Use */ 142 143 /* 144 * The following are valid when the Vendor ID is one of 145 * the following: 146 * 147 * MD5("A GSS-API Authentication Method for IKE") 148 * MD5("GSSAPI") (recognized by Windows 2000) 149 * MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000) 150 */ 151 #define OAKLEY_ATTR_GSS_ID 16384 152 153 #define MAXPADLWORD 20 154 155 struct dhgroup { 156 int type; 157 vchar_t *prime; 158 int gen1; 159 int gen2; 160 vchar_t *curve_a; 161 vchar_t *curve_b; 162 vchar_t *order; 163 }; 164 165 /* certificate holder */ 166 typedef struct cert_t_tag { 167 u_int8_t type; /* type of CERT, must be same to pl->v[0]*/ 168 vchar_t cert; /* pointer to the CERT */ 169 vchar_t *pl; /* CERT payload minus isakmp general header */ 170 } cert_t; 171 172 struct ph1handle; 173 struct ph2handle; 174 struct isakmp_ivm; 175 176 extern int oakley_get_defaultlifetime __P((void)); 177 178 extern int oakley_dhinit __P((void)); 179 extern void oakley_dhgrp_free __P((struct dhgroup *)); 180 extern int oakley_dh_compute __P((const struct dhgroup *, 181 vchar_t *, vchar_t *, vchar_t *, vchar_t **)); 182 extern int oakley_dh_generate __P((const struct dhgroup *, 183 vchar_t **, vchar_t **)); 184 extern int oakley_setdhgroup __P((int, struct dhgroup **)); 185 186 extern vchar_t *oakley_prf __P((vchar_t *, vchar_t *, struct ph1handle *)); 187 extern vchar_t *oakley_hash __P((vchar_t *, struct ph1handle *)); 188 189 extern int oakley_compute_keymat __P((struct ph2handle *, int)); 190 191 #if notyet 192 extern vchar_t *oakley_compute_hashx __P((void)); 193 #endif 194 extern vchar_t *oakley_compute_hash3 __P((struct ph1handle *, 195 u_int32_t, vchar_t *)); 196 extern vchar_t *oakley_compute_hash1 __P((struct ph1handle *, 197 u_int32_t, vchar_t *)); 198 extern vchar_t *oakley_ph1hash_common __P((struct ph1handle *, int)); 199 extern vchar_t *oakley_ph1hash_base_i __P((struct ph1handle *, int)); 200 extern vchar_t *oakley_ph1hash_base_r __P((struct ph1handle *, int)); 201 202 extern int oakley_validate_auth __P((struct ph1handle *)); 203 extern int oakley_getmycert __P((struct ph1handle *)); 204 extern int oakley_getsign __P((struct ph1handle *)); 205 extern vchar_t *oakley_getcr __P((struct ph1handle *)); 206 extern int oakley_checkcr __P((struct ph1handle *)); 207 extern int oakley_needcr __P((int)); 208 struct isakmp_gen; 209 extern int oakley_savecert __P((struct ph1handle *, struct isakmp_gen *)); 210 extern int oakley_savecr __P((struct ph1handle *, struct isakmp_gen *)); 211 212 extern int oakley_skeyid __P((struct ph1handle *)); 213 extern int oakley_skeyid_dae __P((struct ph1handle *)); 214 215 extern int oakley_compute_enckey __P((struct ph1handle *)); 216 extern cert_t *oakley_newcert __P((void)); 217 extern void oakley_delcert __P((cert_t *)); 218 extern int oakley_newiv __P((struct ph1handle *)); 219 extern struct isakmp_ivm *oakley_newiv2 __P((struct ph1handle *, u_int32_t)); 220 extern void oakley_delivm __P((struct isakmp_ivm *)); 221 extern vchar_t *oakley_do_decrypt __P((struct ph1handle *, 222 vchar_t *, vchar_t *, vchar_t *)); 223 extern vchar_t *oakley_do_encrypt __P((struct ph1handle *, 224 vchar_t *, vchar_t *, vchar_t *)); 225 226 #ifdef ENABLE_HYBRID 227 #define AUTHMETHOD(iph1) \ 228 (((iph1)->rmconf->xauth && \ 229 (iph1)->approval->authmethod == OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I) ? \ 230 FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I : (iph1)->approval->authmethod) 231 #define RMAUTHMETHOD(iph1) \ 232 (((iph1)->rmconf->xauth && \ 233 (iph1)->rmconf->proposal->authmethod == \ 234 OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I) ? \ 235 FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I : \ 236 (iph1)->rmconf->proposal->authmethod) 237 #else 238 #define AUTHMETHOD(iph1) (iph1)->approval->authmethod 239 #define RMAUTHMETHOD(iph1) (iph1)->rmconf->proposal->authmethod 240 #endif /* ENABLE_HYBRID */ 241 242 #endif /* _OAKLEY_H */ 243