1 /* $NetBSD: oakley.h,v 1.5 2006/10/06 12:02:27 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 #define OAKLEY_ATTR_ENC_ALG_CAMELLIA 8 51 /* 65001 - 65535 Private Use */ 52 #define OAKLEY_ATTR_HASH_ALG 2 /* B */ 53 #define OAKLEY_ATTR_HASH_ALG_MD5 1 54 #define OAKLEY_ATTR_HASH_ALG_SHA 2 55 #define OAKLEY_ATTR_HASH_ALG_TIGER 3 56 #if defined(WITH_SHA2) 57 #define OAKLEY_ATTR_HASH_ALG_SHA2_256 4 58 #define OAKLEY_ATTR_HASH_ALG_SHA2_384 5 59 #define OAKLEY_ATTR_HASH_ALG_SHA2_512 6 60 #endif 61 /* 65001 - 65535 Private Use */ 62 #define OAKLEY_ATTR_AUTH_METHOD 3 /* B */ 63 #define OAKLEY_ATTR_AUTH_METHOD_PSKEY 1 64 #define OAKLEY_ATTR_AUTH_METHOD_DSSSIG 2 65 #define OAKLEY_ATTR_AUTH_METHOD_RSASIG 3 66 #define OAKLEY_ATTR_AUTH_METHOD_RSAENC 4 67 #define OAKLEY_ATTR_AUTH_METHOD_RSAREV 5 68 #define OAKLEY_ATTR_AUTH_METHOD_EGENC 6 69 #define OAKLEY_ATTR_AUTH_METHOD_EGREV 7 70 /* Hybrid Auth */ 71 #ifdef ENABLE_HYBRID 72 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I 64221 73 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R 64222 74 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I 64223 75 #define OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R 64224 76 77 /* 65001 - 65535 Private Use */ 78 79 /* Plain Xauth */ 80 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I 65001 81 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R 65002 82 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I 65003 83 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R 65004 84 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I 65005 85 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R 65006 86 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I 65007 87 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R 65008 88 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I 65009 89 #define OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R 65010 90 #endif 91 92 /* 65500 -> still private 93 * to avoid clash with GSSAPI_KRB below 94 */ 95 #define FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I 65500 96 97 98 /* 99 * The following are valid when the Vendor ID is one of 100 * the following: 101 * 102 * MD5("A GSS-API Authentication Method for IKE") 103 * MD5("GSSAPI") (recognized by Windows 2000) 104 * MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000) 105 */ 106 #define OAKLEY_ATTR_AUTH_METHOD_GSSAPI_KRB 65001 107 #define OAKLEY_ATTR_GRP_DESC 4 /* B */ 108 #define OAKLEY_ATTR_GRP_DESC_MODP768 1 109 #define OAKLEY_ATTR_GRP_DESC_MODP1024 2 110 #define OAKLEY_ATTR_GRP_DESC_EC2N155 3 111 #define OAKLEY_ATTR_GRP_DESC_EC2N185 4 112 #define OAKLEY_ATTR_GRP_DESC_MODP1536 5 113 #define OAKLEY_ATTR_GRP_DESC_MODP2048 14 114 #define OAKLEY_ATTR_GRP_DESC_MODP3072 15 115 #define OAKLEY_ATTR_GRP_DESC_MODP4096 16 116 #define OAKLEY_ATTR_GRP_DESC_MODP6144 17 117 #define OAKLEY_ATTR_GRP_DESC_MODP8192 18 118 /* 32768 - 65535 Private Use */ 119 #define OAKLEY_ATTR_GRP_TYPE 5 /* B */ 120 #define OAKLEY_ATTR_GRP_TYPE_MODP 1 121 #define OAKLEY_ATTR_GRP_TYPE_ECP 2 122 #define OAKLEY_ATTR_GRP_TYPE_EC2N 3 123 /* 65001 - 65535 Private Use */ 124 #define OAKLEY_ATTR_GRP_PI 6 /* V */ 125 #define OAKLEY_ATTR_GRP_GEN_ONE 7 /* V */ 126 #define OAKLEY_ATTR_GRP_GEN_TWO 8 /* V */ 127 #define OAKLEY_ATTR_GRP_CURVE_A 9 /* V */ 128 #define OAKLEY_ATTR_GRP_CURVE_B 10 /* V */ 129 #define OAKLEY_ATTR_SA_LD_TYPE 11 /* B */ 130 #define OAKLEY_ATTR_SA_LD_TYPE_DEFAULT 1 131 #define OAKLEY_ATTR_SA_LD_TYPE_SEC 1 132 #define OAKLEY_ATTR_SA_LD_TYPE_KB 2 133 #define OAKLEY_ATTR_SA_LD_TYPE_MAX 3 134 /* 65001 - 65535 Private Use */ 135 #define OAKLEY_ATTR_SA_LD 12 /* V */ 136 #define OAKLEY_ATTR_SA_LD_SEC_DEFAULT 28800 /* 8 hours */ 137 #define OAKLEY_ATTR_PRF 13 /* B */ 138 #define OAKLEY_ATTR_KEY_LEN 14 /* B */ 139 #define OAKLEY_ATTR_FIELD_SIZE 15 /* B */ 140 #define OAKLEY_ATTR_GRP_ORDER 16 /* V */ 141 #define OAKLEY_ATTR_BLOCK_SIZE 17 /* B */ 142 /* 16384 - 32767 Private Use */ 143 144 /* 145 * The following are valid when the Vendor ID is one of 146 * the following: 147 * 148 * MD5("A GSS-API Authentication Method for IKE") 149 * MD5("GSSAPI") (recognized by Windows 2000) 150 * MD5("MS NT5 ISAKMPOAKLEY") (sent by Windows 2000) 151 */ 152 #define OAKLEY_ATTR_GSS_ID 16384 153 154 #define MAXPADLWORD 20 155 156 struct dhgroup { 157 int type; 158 vchar_t *prime; 159 int gen1; 160 int gen2; 161 vchar_t *curve_a; 162 vchar_t *curve_b; 163 vchar_t *order; 164 }; 165 166 /* certificate holder */ 167 typedef struct cert_t_tag { 168 u_int8_t type; /* type of CERT, must be same to pl->v[0]*/ 169 vchar_t cert; /* pointer to the CERT */ 170 vchar_t *pl; /* CERT payload minus isakmp general header */ 171 } cert_t; 172 173 struct ph1handle; 174 struct ph2handle; 175 struct isakmp_ivm; 176 177 extern int oakley_get_defaultlifetime __P((void)); 178 179 extern int oakley_dhinit __P((void)); 180 extern void oakley_dhgrp_free __P((struct dhgroup *)); 181 extern int oakley_dh_compute __P((const struct dhgroup *, 182 vchar_t *, vchar_t *, vchar_t *, vchar_t **)); 183 extern int oakley_dh_generate __P((const struct dhgroup *, 184 vchar_t **, vchar_t **)); 185 extern int oakley_setdhgroup __P((int, struct dhgroup **)); 186 187 extern vchar_t *oakley_prf __P((vchar_t *, vchar_t *, struct ph1handle *)); 188 extern vchar_t *oakley_hash __P((vchar_t *, struct ph1handle *)); 189 190 extern int oakley_compute_keymat __P((struct ph2handle *, int)); 191 192 #if notyet 193 extern vchar_t *oakley_compute_hashx __P((void)); 194 #endif 195 extern vchar_t *oakley_compute_hash3 __P((struct ph1handle *, 196 u_int32_t, vchar_t *)); 197 extern vchar_t *oakley_compute_hash1 __P((struct ph1handle *, 198 u_int32_t, vchar_t *)); 199 extern vchar_t *oakley_ph1hash_common __P((struct ph1handle *, int)); 200 extern vchar_t *oakley_ph1hash_base_i __P((struct ph1handle *, int)); 201 extern vchar_t *oakley_ph1hash_base_r __P((struct ph1handle *, int)); 202 203 extern int oakley_validate_auth __P((struct ph1handle *)); 204 extern int oakley_getmycert __P((struct ph1handle *)); 205 extern int oakley_getsign __P((struct ph1handle *)); 206 extern vchar_t *oakley_getcr __P((struct ph1handle *)); 207 extern int oakley_checkcr __P((struct ph1handle *)); 208 extern int oakley_needcr __P((int)); 209 struct isakmp_gen; 210 extern int oakley_savecert __P((struct ph1handle *, struct isakmp_gen *)); 211 extern int oakley_savecr __P((struct ph1handle *, struct isakmp_gen *)); 212 213 extern int oakley_skeyid __P((struct ph1handle *)); 214 extern int oakley_skeyid_dae __P((struct ph1handle *)); 215 216 extern int oakley_compute_enckey __P((struct ph1handle *)); 217 extern cert_t *oakley_newcert __P((void)); 218 extern void oakley_delcert __P((cert_t *)); 219 extern int oakley_newiv __P((struct ph1handle *)); 220 extern struct isakmp_ivm *oakley_newiv2 __P((struct ph1handle *, u_int32_t)); 221 extern void oakley_delivm __P((struct isakmp_ivm *)); 222 extern vchar_t *oakley_do_decrypt __P((struct ph1handle *, 223 vchar_t *, vchar_t *, vchar_t *)); 224 extern vchar_t *oakley_do_encrypt __P((struct ph1handle *, 225 vchar_t *, vchar_t *, vchar_t *)); 226 227 #ifdef ENABLE_HYBRID 228 #define AUTHMETHOD(iph1) \ 229 (((iph1)->rmconf->xauth && \ 230 (iph1)->approval->authmethod == OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I) ? \ 231 FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I : (iph1)->approval->authmethod) 232 #define RMAUTHMETHOD(iph1) \ 233 (((iph1)->rmconf->xauth && \ 234 (iph1)->rmconf->proposal->authmethod == \ 235 OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I) ? \ 236 FICTIVE_AUTH_METHOD_XAUTH_PSKEY_I : \ 237 (iph1)->rmconf->proposal->authmethod) 238 #else 239 #define AUTHMETHOD(iph1) (iph1)->approval->authmethod 240 #define RMAUTHMETHOD(iph1) (iph1)->rmconf->proposal->authmethod 241 #endif /* ENABLE_HYBRID */ 242 243 #endif /* _OAKLEY_H */ 244