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52b7d2ce A |
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 | ||
d1e348cf A |
203 | /* qualifiers for KEYID (and maybe others) */ |
204 | #define IDQUAL_UNSPEC 0 | |
205 | #define IDQUAL_FILE 1 | |
206 | #define IDQUAL_TAG 2 | |
207 | ||
208 | ||
52b7d2ce A |
209 | /* The use for checking proposal payload. This is not exchange type. */ |
210 | #define IPSECDOI_TYPE_PH1 0 | |
211 | #define IPSECDOI_TYPE_PH2 1 | |
212 | ||
213 | struct isakmpsa; | |
214 | struct ipsecdoi_pl_sa; | |
215 | struct saprop; | |
216 | struct saproto; | |
217 | struct satrns; | |
218 | struct prop_pair; | |
219 | ||
220 | extern int ipsecdoi_checkph1proposal __P((vchar_t *, struct ph1handle *)); | |
221 | extern int ipsecdoi_selectph2proposal __P((struct ph2handle *)); | |
222 | extern int ipsecdoi_checkph2proposal __P((struct ph2handle *)); | |
223 | ||
224 | extern struct prop_pair **get_proppair __P((vchar_t *, int)); | |
225 | extern vchar_t *get_sabyproppair __P((struct prop_pair *, struct ph1handle *)); | |
226 | extern int ipsecdoi_updatespi __P((struct ph2handle *iph2)); | |
227 | extern vchar_t *get_sabysaprop __P((struct saprop *, vchar_t *)); | |
d1e348cf | 228 | extern int ipsecdoi_chkcmpids( const vchar_t *, const vchar_t *, int ); |
52b7d2ce A |
229 | extern int ipsecdoi_checkid1 __P((struct ph1handle *)); |
230 | extern int ipsecdoi_setid1 __P((struct ph1handle *)); | |
231 | extern int set_identifier __P((vchar_t **, int, vchar_t *)); | |
d1e348cf | 232 | extern int set_identifier_qual __P((vchar_t **, int, vchar_t *, int)); |
52b7d2ce A |
233 | extern int ipsecdoi_setid2 __P((struct ph2handle *)); |
234 | extern vchar_t *ipsecdoi_sockaddr2id __P((struct sockaddr *, u_int, u_int)); | |
235 | extern int ipsecdoi_id2sockaddr __P((vchar_t *, struct sockaddr *, | |
236 | u_int8_t *, u_int16_t *)); | |
d1e348cf A |
237 | extern char *ipsecdoi_id2str __P((const vchar_t *)); |
238 | extern vchar_t *ipsecdoi_sockrange2id __P(( struct sockaddr *, | |
239 | struct sockaddr *, u_int)); | |
52b7d2ce A |
240 | |
241 | extern vchar_t *ipsecdoi_setph1proposal __P((struct isakmpsa *)); | |
242 | extern int ipsecdoi_setph2proposal __P((struct ph2handle *)); | |
243 | extern int ipsecdoi_transportmode __P((struct saprop *)); | |
244 | #ifdef __APPLE__ | |
245 | extern int ipsecdoi_tunnelmode __P((struct ph2handle *)); | |
d1e348cf | 246 | extern int ipsecdoi_any_transportmode __P((struct saprop *)); |
52b7d2ce A |
247 | #endif |
248 | extern int ipsecdoi_get_defaultlifetime __P((void)); | |
249 | extern int ipsecdoi_checkalgtypes __P((int, int, int, int)); | |
250 | extern int ipproto2doi __P((int)); | |
251 | extern int doi2ipproto __P((int)); | |
252 | ||
253 | extern int ipsecdoi_t2satrns __P((struct isakmp_pl_t *, | |
254 | struct saprop *, struct saproto *, struct satrns *)); | |
255 | extern int ipsecdoi_authalg2trnsid __P((int)); | |
256 | extern int idtype2doi __P((int)); | |
257 | extern int doi2idtype __P((int)); | |
258 | ||
259 | ||
260 | #endif /* _IPSEC_DOI_H */ |