1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392
|
/* $KAME: dhcp6.h,v 1.56 2005/03/20 06:46:09 jinmei Exp $ */
/*
* Copyright (C) 1998 and 1999 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __DHCP6_H_DEFINED
#define __DHCP6_H_DEFINED
#ifdef __sun__
#define __P(x) x
typedef uint8_t u_int8_t;
#ifndef U_INT16_T_DEFINED
#define U_INT16_T_DEFINED
typedef uint16_t u_int16_t;
#endif
#ifndef U_INT32_T_DEFINED
#define U_INT32_T_DEFINED
typedef uint32_t u_int32_t;
#endif
typedef uint64_t u_int64_t;
#ifndef CMSG_SPACE
#define CMSG_SPACE(l) \
((unsigned int)_CMSG_HDR_ALIGN(sizeof (struct cmsghdr) + (l)))
#endif
#ifndef CMSG_LEN
#define CMSG_LEN(l) \
((unsigned int)_CMSG_DATA_ALIGN(sizeof (struct cmsghdr)) + (l))
#endif
#endif
/* Error Values */
#define DH6ERR_FAILURE 16
#define DH6ERR_AUTHFAIL 17
#define DH6ERR_POORLYFORMED 18
#define DH6ERR_UNAVAIL 19
#define DH6ERR_OPTUNAVAIL 20
/* Message type */
#define DH6_SOLICIT 1
#define DH6_ADVERTISE 2
#define DH6_REQUEST 3
#define DH6_CONFIRM 4
#define DH6_RENEW 5
#define DH6_REBIND 6
#define DH6_REPLY 7
#define DH6_RELEASE 8
#define DH6_DECLINE 9
#define DH6_RECONFIGURE 10
#define DH6_INFORM_REQ 11
#define DH6_RELAY_FORW 12
#define DH6_RELAY_REPLY 13
/* Predefined addresses */
#define DH6ADDR_ALLAGENT "ff02::1:2"
#define DH6ADDR_ALLSERVER "ff05::1:3"
#define DH6PORT_DOWNSTREAM "546"
#define DH6PORT_UPSTREAM "547"
/* Protocol constants */
/* timer parameters (msec, unless explicitly commented) */
#define SOL_MAX_DELAY 1000
#define SOL_TIMEOUT 1000
#define SOL_MAX_RT 120000
#define INF_TIMEOUT 1000
#define INF_MAX_RT 120000
#define REQ_TIMEOUT 1000
#define REQ_MAX_RT 30000
#define REQ_MAX_RC 10 /* Max Request retry attempts */
#define REN_TIMEOUT 10000 /* 10secs */
#define REN_MAX_RT 600000 /* 600secs */
#define REB_TIMEOUT 10000 /* 10secs */
#define REB_MAX_RT 600000 /* 600secs */
#define REL_TIMEOUT 1000 /* 1 sec */
#define REL_MAX_RC 5
#define DHCP6_DURATION_INFINITE 0xffffffff
#define DHCP6_DURATION_MIN 30
#define DHCP6_RELAY_MULTICAST_HOPS 32
#define DHCP6_RELAY_HOP_COUNT_LIMIT 32
#define DHCP6_IRT_DEFAULT 86400 /* 1 day */
#define DHCP6_IRT_MINIMUM 600
#ifndef HAVE_IN6_PKTINFO
struct in6_pktinfo {
struct in6_addr ipi6_addr; /* src/dst IPv6 address */
unsigned int ipi6_ifindex; /* send/recv interface index */
};
#endif
/* DUID: DHCP unique Identifier */
struct duid {
size_t duid_len; /* length */
char *duid_id; /* variable length ID value (must be opaque) */
};
struct dhcp6_vbuf { /* generic variable length buffer */
int dv_len;
caddr_t dv_buf;
};
/* option information */
struct dhcp6_ia { /* identity association */
u_int32_t iaid;
u_int32_t t1;
u_int32_t t2;
};
struct dhcp6_prefix { /* IA_PA */
u_int32_t pltime;
u_int32_t vltime;
struct in6_addr addr;
int plen;
};
struct dhcp6_statefuladdr { /* IA_NA */
u_int32_t pltime;
u_int32_t vltime;
struct in6_addr addr;
};
/* Internal data structure */
typedef enum { DHCP6_LISTVAL_NUM = 1,
DHCP6_LISTVAL_STCODE, DHCP6_LISTVAL_ADDR6,
DHCP6_LISTVAL_IAPD, DHCP6_LISTVAL_PREFIX6,
DHCP6_LISTVAL_IANA, DHCP6_LISTVAL_STATEFULADDR6,
DHCP6_LISTVAL_VBUF
} dhcp6_listval_type_t;
TAILQ_HEAD(dhcp6_list, dhcp6_listval);
struct dhcp6_listval {
TAILQ_ENTRY(dhcp6_listval) link;
dhcp6_listval_type_t type;
union {
int uv_num;
u_int16_t uv_num16;
struct in6_addr uv_addr6;
struct dhcp6_prefix uv_prefix6;
struct dhcp6_statefuladdr uv_statefuladdr6;
struct dhcp6_ia uv_ia;
struct dhcp6_vbuf uv_vbuf;
} uv;
struct dhcp6_list sublist;
};
#define val_num uv.uv_num
#define val_num16 uv.uv_num16
#define val_addr6 uv.uv_addr6
#define val_ia uv.uv_ia
#define val_prefix6 uv.uv_prefix6
#define val_statefuladdr6 uv.uv_statefuladdr6
#define val_vbuf uv.uv_vbuf
struct dhcp6_optinfo {
struct duid clientID; /* DUID */
struct duid serverID; /* DUID */
int rapidcommit; /* bool */
int pref; /* server preference */
int32_t elapsed_time; /* elapsed time (from client to server only) */
int64_t refreshtime; /* info refresh time for stateless options */
struct dhcp6_list iapd_list; /* list of IA_PD */
struct dhcp6_list iana_list; /* list of IA_NA */
struct dhcp6_list reqopt_list; /* options in option request */
struct dhcp6_list stcode_list; /* status code */
struct dhcp6_list sip_list; /* SIP server list */
struct dhcp6_list sipname_list; /* SIP domain list */
struct dhcp6_list dns_list; /* DNS server list */
struct dhcp6_list dnsname_list; /* Domain Search list */
struct dhcp6_list ntp_list; /* NTP server list */
struct dhcp6_list prefix_list; /* prefix list */
struct dhcp6_list nis_list; /* NIS server list */
struct dhcp6_list nisname_list; /* NIS domain list */
struct dhcp6_list nisp_list; /* NIS+ server list */
struct dhcp6_list nispname_list; /* NIS+ domain list */
struct dhcp6_list bcmcs_list; /* BCMC server list */
struct dhcp6_list bcmcsname_list; /* BCMC domain list */
struct dhcp6_vbuf relay_msg; /* relay message */
#define relaymsg_len relay_msg.dv_len
#define relaymsg_msg relay_msg.dv_buf
struct dhcp6_vbuf ifidopt; /* Interface-id */
#define ifidopt_len ifidopt.dv_len
#define ifidopt_id ifidopt.dv_buf
u_int authflags;
#define DHCP6OPT_AUTHFLAG_NOINFO 0x1
int authproto;
int authalgorithm;
int authrdm;
/* the followings are effective only when NOINFO is unset */
u_int64_t authrd;
union {
struct {
u_int32_t keyid;
struct dhcp6_vbuf realm;
int offset; /* offset to the HMAC field */
} aiu_delayed;
struct {
int type;
int offset; /* offset to the HMAC field */
char val[16]; /* key value */
} aiu_reconfig;
} authinfo;
#define delayedauth_keyid authinfo.aiu_delayed.keyid
#define delayedauth_realmlen authinfo.aiu_delayed.realm.dv_len
#define delayedauth_realmval authinfo.aiu_delayed.realm.dv_buf
#define delayedauth_offset authinfo.aiu_delayed.offset
#define reconfigauth_type authinfo.aiu_reconfig.type
#define reconfigauth_offset authinfo.aiu_reconfig.offset
#define reconfigauth_val authinfo.aiu_reconfig.val
};
/* DHCP6 base packet format */
struct dhcp6 {
union {
u_int8_t m;
u_int32_t x;
} dh6_msgtypexid;
/* options follow */
} __attribute__ ((__packed__));
#define dh6_msgtype dh6_msgtypexid.m
#define dh6_xid dh6_msgtypexid.x
#define DH6_XIDMASK 0x00ffffff
/* DHCPv6 relay messages */
struct dhcp6_relay {
u_int8_t dh6relay_msgtype;
u_int8_t dh6relay_hcnt;
struct in6_addr dh6relay_linkaddr; /* XXX: badly aligned */
struct in6_addr dh6relay_peeraddr; /* ditto */
/* options follow */
} __attribute__ ((__packed__));
/* options */
#define DH6OPT_CLIENTID 1
#define DH6OPT_SERVERID 2
#define DH6OPT_IA_NA 3
#define DH6OPT_IA_TA 4
#define DH6OPT_IAADDR 5
#define DH6OPT_ORO 6
#define DH6OPT_PREFERENCE 7
# define DH6OPT_PREF_UNDEF -1
# define DH6OPT_PREF_MAX 255
#define DH6OPT_ELAPSED_TIME 8
# define DH6OPT_ELAPSED_TIME_UNDEF -1
#define DH6OPT_RELAY_MSG 9
/* #define DH6OPT_SERVER_MSG 10: deprecated */
#define DH6OPT_AUTH 11
# define DH6OPT_AUTH_PROTO_DELAYED 2
# define DH6OPT_AUTH_RRECONFIGURE 3
# define DH6OPT_AUTH_ALG_HMACMD5 1
#define DH6OPT_UNICAST 12
#define DH6OPT_STATUS_CODE 13
# define DH6OPT_STCODE_SUCCESS 0
# define DH6OPT_STCODE_UNSPECFAIL 1
# define DH6OPT_STCODE_NOADDRSAVAIL 2
# define DH6OPT_STCODE_NOBINDING 3
# define DH6OPT_STCODE_NOTONLINK 4
# define DH6OPT_STCODE_USEMULTICAST 5
# define DH6OPT_STCODE_NOPREFIXAVAIL 6
#define DH6OPT_RAPID_COMMIT 14
#define DH6OPT_USER_CLASS 15
#define DH6OPT_VENDOR_CLASS 16
#define DH6OPT_VENDOR_OPTS 17
#define DH6OPT_INTERFACE_ID 18
#define DH6OPT_RECONF_MSG 19
#define DH6OPT_SIP_SERVER_D 21
#define DH6OPT_SIP_SERVER_A 22
#define DH6OPT_DNS 23
#define DH6OPT_DNSNAME 24
#define DH6OPT_IA_PD 25
#define DH6OPT_IA_PD_PREFIX 26
#define DH6OPT_NIS_SERVERS 27
#define DH6OPT_NISP_SERVERS 28
#define DH6OPT_NIS_DOMAIN_NAME 29
#define DH6OPT_NISP_DOMAIN_NAME 30
#define DH6OPT_NTP 31
#define DH6OPT_REFRESHTIME 32
#define DH6OPT_REFRESHTIME_UNDEF -1
#define DH6OPT_BCMCS_SERVER_D 33
#define DH6OPT_BCMCS_SERVER_A 34
#define DH6OPT_GEOCONF_CIVIC 36
#define DH6OPT_REMOTE_ID 37
#define DH6OPT_SUBSCRIBER_ID 38
#define DH6OPT_CLIENT_FQDN 39
/* The followings are KAME specific. */
struct dhcp6opt {
u_int16_t dh6opt_type;
u_int16_t dh6opt_len;
/* type-dependent data follows */
} __attribute__ ((__packed__));
/* DUID type 1 */
struct dhcp6opt_duid_type1 {
u_int16_t dh6_duid1_type;
u_int16_t dh6_duid1_hwtype;
u_int32_t dh6_duid1_time;
/* link-layer address follows */
} __attribute__ ((__packed__));
/* Status Code */
struct dhcp6opt_stcode {
u_int16_t dh6_stcode_type;
u_int16_t dh6_stcode_len;
u_int16_t dh6_stcode_code;
} __attribute__ ((__packed__));
/*
* General format of Identity Association.
* This format applies to Prefix Delegation (IA_PD) and Non-temporary Addresses
* (IA_NA)
*/
struct dhcp6opt_ia {
u_int16_t dh6_ia_type;
u_int16_t dh6_ia_len;
u_int32_t dh6_ia_iaid;
u_int32_t dh6_ia_t1;
u_int32_t dh6_ia_t2;
/* sub options follow */
} __attribute__ ((__packed__));
/* IA Addr */
struct dhcp6opt_ia_addr {
u_int16_t dh6_ia_addr_type;
u_int16_t dh6_ia_addr_len;
struct in6_addr dh6_ia_addr_addr;
u_int32_t dh6_ia_addr_preferred_time;
u_int32_t dh6_ia_addr_valid_time;
} __attribute__ ((__packed__));
/* IA_PD Prefix */
struct dhcp6opt_ia_pd_prefix {
u_int16_t dh6_iapd_prefix_type;
u_int16_t dh6_iapd_prefix_len;
u_int32_t dh6_iapd_prefix_preferred_time;
u_int32_t dh6_iapd_prefix_valid_time;
u_int8_t dh6_iapd_prefix_prefix_len;
struct in6_addr dh6_iapd_prefix_prefix_addr;
} __attribute__ ((__packed__));
/* Authentication */
struct dhcp6opt_auth {
u_int16_t dh6_auth_type;
u_int16_t dh6_auth_len;
u_int8_t dh6_auth_proto;
u_int8_t dh6_auth_alg;
u_int8_t dh6_auth_rdm;
u_int8_t dh6_auth_rdinfo[8];
/* authentication information follows */
} __attribute__ ((__packed__));
enum { DHCP6_AUTHPROTO_UNDEF = -1, DHCP6_AUTHPROTO_DELAYED = 2,
DHCP6_AUTHPROTO_RECONFIG = 3 };
enum { DHCP6_AUTHALG_UNDEF = -1, DHCP6_AUTHALG_HMACMD5 = 1 };
enum { DHCP6_AUTHRDM_UNDEF = -1, DHCP6_AUTHRDM_MONOCOUNTER = 0 };
#endif /*__DHCP6_H_DEFINED*/
|