1/* $Id: dhcp6.h,v 1.1.1.1 2006-12-04 00:45:22 Exp $ */ 2/* ported from KAME: dhcp6.h,v 1.32 2002/07/04 15:03:19 jinmei Exp */ 3 4/* 5 * Copyright (C) 1998 and 1999 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32/* 33 * draft-ietf-dhc-dhcpv6-26 34 */ 35 36#ifndef __DHCP6_H_DEFINED 37#define __DHCP6_H_DEFINED 38 39/* Error Values */ 40#define DH6ERR_FAILURE 16 41#define DH6ERR_AUTHFAIL 17 42#define DH6ERR_POORLYFORMED 18 43#define DH6ERR_UNAVAIL 19 44#define DH6ERR_OPTUNAVAIL 20 45 46/* Message type */ 47#define DH6_SOLICIT 1 48#define DH6_ADVERTISE 2 49#define DH6_REQUEST 3 50#define DH6_CONFIRM 4 51#define DH6_RENEW 5 52#define DH6_REBIND 6 53#define DH6_REPLY 7 54#define DH6_RELEASE 8 55#define DH6_DECLINE 9 56#define DH6_RECONFIGURE 10 57#define DH6_INFORM_REQ 11 58#define DH6_RELAY_FORW 12 59#define DH6_RELAY_REPL 13 60 61/* Predefined addresses */ 62#define DH6ADDR_ALLAGENT "ff02::1:2" 63#define DH6ADDR_ALLSERVER "ff05::1:3" 64#define DH6PORT_DOWNSTREAM "546" 65#define DH6PORT_UPSTREAM "547" 66 67/* Protocol constants */ 68 69/* timer parameters (msec, unless explicitly commented) */ 70#define MIN_SOL_DELAY 500 71#define MAX_SOL_DELAY 1000 72#define SOL_TIMEOUT 1000 73#define SOL_MAX_RT 120000 74#define INF_TIMEOUT 1000 75#define INF_MAX_DELAY 1000 76#define INF_MAX_RT 120000 77#define REQ_TIMEOUT 1000 78#define REQ_MAX_RT 30000 79#define REQ_MAX_RC 10 /* Max Request retry attempts */ 80#define REN_TIMEOUT 10000 /* 10secs */ 81#define REN_MAX_RT 600000 /* 600secs */ 82#define REB_TIMEOUT 10000 /* 10secs */ 83#define REB_MAX_RT 600000 /* 600secs */ 84#define DEC_TIMEOUT 1000 85#define DEC_MAX_RC 5 86#define REL_TIMEOUT 1000 87#define REL_MAX_RC 5 88#define REC_TIMEOUT 2000 89#define REC_MAX_RC 8 90#define CNF_TIMEOUT 1000 91#define CNF_MAX_RD 10000 92#define CNF_MAX_RT 4000 93 94#define REQ_MAX_RC_NOTONLINK 3 // Foxconn added pling 10//07/2010 95#define SOL_MAX_RC_AUTODETECT 3 // Foxconn added pling 10/14/2010 96 97#define DHCP6_DURATITION_INFINITE 0xffffffff 98#define DHCP6_ELAPSEDTIME_MAX 0xffff 99 100#define IF_RA_OTHERCONF 0x80 101#define IF_RA_MANAGED 0x40 102#define RTM_F_PREFIX 0x800 103 104#ifndef MAXDNAME 105#define MAXDNAME 255 106#endif 107#define MAXDN 100 108 109#define RESOLV_CONF_FILE "/tmp/resolv.conf" 110#define RESOLV_CONF_BAK_FILE "/tmp/resolv.conf.dhcpv6.bak" 111#define RESOLV_CONF_DHCPV6_FILE "/tmp/resolv.conf.dhcpv6" 112char resolv_dhcpv6_file[254]; 113 114#define RADVD_CONF_FILE "/etc/radvd.conf" 115#define RADVD_CONF_BAK_FILE "/etc/radvd.conf.dhcpv6.bak" 116#define RADVD_CONF_DHCPV6_FILE "/etc/radvd.conf.dhcpv6" 117char radvd_dhcpv6_file[254]; 118 119 120/* Foxconn added start pling 09/22/2009 */ 121#define IANA_IAID 1 122#define IAPD_IAID 11 123/* Foxconn added end pling 09/22/2009 */ 124 125typedef enum { IANA, IATA, IAPD} iatype_t; 126 127typedef enum { ACTIVE, RENEW, 128 REBIND, EXPIRED, 129 INVALID } state_t; 130/* Internal data structure */ 131 132struct duid { 133 u_int8_t duid_len; /* length */ 134 char *duid_id; /* variable length ID value (must be opaque) */ 135}; 136 137struct intf_id { 138 u_int16_t intf_len; /* length */ 139 char *intf_id; /* variable length ID value (must be opaque) */ 140}; 141 142/* iaid info for the IA_NA */ 143struct dhcp6_iaid_info { 144 u_int32_t iaid; 145 u_int32_t renewtime; 146 u_int32_t rebindtime; 147}; 148 149/* dhcpv6 addr */ 150struct dhcp6_addr { 151 u_int32_t validlifetime; 152 u_int32_t preferlifetime; 153 struct in6_addr addr; 154 u_int8_t plen; 155 iatype_t type; 156 u_int16_t status_code; 157 char *status_msg; 158}; 159 160struct dhcp6_lease { 161 TAILQ_ENTRY(dhcp6_lease) link; 162 char hostname[1024]; 163 struct in6_addr linklocal; 164 struct dhcp6_addr lease_addr; 165 iatype_t addr_type; 166 state_t state; 167 struct dhcp6_iaidaddr *iaidaddr; 168 time_t start_date; 169 /* address assigned on the interface */ 170 struct dhcp6_timer *timer; 171}; 172 173struct dhcp6_listval { 174 TAILQ_ENTRY(dhcp6_listval) link; 175 176 union { 177 int uv_num; 178 struct in6_addr uv_addr6; 179 struct dhcp6_addr uv_dhcp6_addr; 180 struct dhcp6_lease uv_dhcp6_lease; 181 } uv; 182}; 183 184#define val_num uv.uv_num 185#define val_addr6 uv.uv_addr6 186#define val_dhcp6addr uv.uv_dhcp6_addr 187#define val_dhcp6lease uv.uv_dhcp6_lease 188 189TAILQ_HEAD(dhcp6_list, dhcp6_listval); 190 191typedef enum { DHCP6_LISTVAL_NUM, DHCP6_LISTVAL_ADDR6, 192 DHCP6_LISTVAL_DHCP6ADDR, DHCP6_LISTVAL_DHCP6LEASE } dhcp6_listval_type_t; 193 194struct domain_list { 195 struct domain_list *next; 196 char name[MAXDNAME]; 197}; 198 199struct dns_list { 200 struct dhcp6_list addrlist; 201 struct domain_list *domainlist; 202}; 203 204/* DHCP6 relay agent base packet format */ 205struct dhcp6_relay { 206 u_int8_t dh6_msg_type; 207 u_int8_t dh6_hop_count; 208 struct in6_addr link_addr; 209 struct in6_addr peer_addr; 210 /* options follow */ 211} __attribute__ ((__packed__)); 212 213 214struct relay_listval { 215 TAILQ_ENTRY(relay_listval) link; 216 217 struct dhcp6_relay relay; 218 struct intf_id *intf_id; 219 220 /* pointer to the Relay Message option in the RELAY-REPL */ 221 struct dhcp6opt *option; 222}; 223 224TAILQ_HEAD (relay_list, relay_listval); 225 226/* Foxconn added start pling 09/07/2010 */ 227/* Currnetly GUI allow 63 chars for user-class. 128 is more than enough */ 228#define MAX_USER_CLASS_LEN 128 229/* Foxconn added end pling 09/07/2010 */ 230 231struct dhcp6_optinfo { 232 struct duid clientID; /* DUID */ 233 struct duid serverID; /* DUID */ 234 u_int16_t elapsed_time; 235 char user_class[MAX_USER_CLASS_LEN]; /* Foxconn added pling 09/07/2010 */ 236 struct dhcp6_iaid_info iaidinfo; 237 iatype_t type; 238 u_int8_t flags; /* flags for rapid commit, info_only, temp address */ 239 u_int8_t pref; /* server preference */ 240 struct in6_addr server_addr; 241 struct dhcp6_list addr_list; /* assigned ipv6 address list */ 242 /* Foxconn added start pling 09/23/2009, to store server assigned prefix */ 243 struct dhcp6_list prefix_list; /* assigned prefix list */ 244 /* Foxconn added end pling 09/23/2009 */ 245 struct dhcp6_list reqopt_list; /* options in option request */ 246 struct dhcp6_list stcode_list; /* status code */ 247 struct dns_list dns_list; /* DNS server list */ 248 struct dhcp6_list sip_list; /* SIP server list */ 249 struct dhcp6_list ntp_list; /* NTP server list */ 250 struct relay_list relay_list; /* list of the relays the message 251 passed through on to the server */ 252}; 253 254/* DHCP6 base packet format */ 255struct dhcp6 { 256 union { 257 u_int8_t m; 258 u_int32_t x; 259 } dh6_msgtypexid; 260 /* options follow */ 261} __attribute__ ((__packed__)); 262#define dh6_msgtype dh6_msgtypexid.m 263#define dh6_xid dh6_msgtypexid.x 264#define DH6_XIDMASK 0x00ffffff 265 266/* options */ 267#define DH6OPT_CLIENTID 1 268#define DH6OPT_SERVERID 2 269#define DH6OPT_IA_NA 3 270#define DH6OPT_IA_TA 4 271#define DH6OPT_IADDR 5 272#define DH6OPT_ORO 6 273#define DH6OPT_PREFERENCE 7 274# define DH6OPT_PREF_UNDEF 0 275# define DH6OPT_PREF_MAX 255 276#define DH6OPT_ELAPSED_TIME 8 277#define DH6OPT_RELAY_MSG 9 278 279#define DH6OPT_AUTH 11 280#define DH6OPT_UNICAST 12 281#define DH6OPT_STATUS_CODE 13 282 283 284# define DH6OPT_STCODE_SUCCESS 0 285# define DH6OPT_STCODE_UNSPECFAIL 1 286# define DH6OPT_STCODE_NOADDRAVAIL 2 287# define DH6OPT_STCODE_NOBINDING 3 288# define DH6OPT_STCODE_NOTONLINK 4 289# define DH6OPT_STCODE_USEMULTICAST 5 290 291# define DH6OPT_STCODE_AUTHFAILED 6 292# define DH6OPT_STCODE_ADDRUNAVAIL 7 293# define DH6OPT_STCODE_CONFNOMATCH 8 294 295# define DH6OPT_STCODE_NOPREFIXAVAIL 10 296 297# define DH6OPT_STCODE_UNDEFINE 0xffff 298 299#define DH6OPT_RAPID_COMMIT 14 300#define DH6OPT_USER_CLASS 15 301#define DH6OPT_VENDOR_CLASS 16 302#define DH6OPT_VENDOR_OPTS 17 303#define DH6OPT_INTERFACE_ID 18 304#define DH6OPT_RECONF_MSG 19 305 306#define DEFAULT_VALID_LIFE_TIME 720000 307#define DEFAULT_PREFERRED_LIFE_TIME 360000 308 309#define DH6OPT_DNS_SERVERS 23 310#define DH6OPT_DOMAIN_LIST 24 311 312#define DH6OPT_IA_PD 25 313#define DH6OPT_IAPREFIX 26 314 315/* Foxconn added start pling 01/25/2010*/ 316#define DH6OPT_SIP_SERVERS 22 317#define DH6OPT_NTP_SERVERS 31 318/* Foxconn added end pling 01/25/2010 */ 319 320struct dhcp6opt { 321 u_int16_t dh6opt_type; 322 u_int16_t dh6opt_len; 323 /* type-dependent data follows */ 324} __attribute__ ((__packed__)); 325 326/* DUID type 1 */ 327struct dhcp6_duid_type1 { 328 u_int16_t dh6duid1_type; 329 u_int16_t dh6duid1_hwtype; 330 /* Foxconn removed start pling 04/26/2011 */ 331 /* Netgear Router Spec requires DUID to be type DUID-LL, not DUID-LLT */ 332 /* u_int32_t dh6duid1_time; */ 333 /* Foxconn removed end pling 04/26/2011 */ 334 /* link-layer address follows */ 335} __attribute__ ((__packed__)); 336 337/* Prefix Information */ 338struct dhcp6_prefix_info { 339 u_int16_t dh6_pi_type; 340 u_int16_t dh6_pi_len; 341 u_int32_t preferlifetime; 342 u_int32_t validlifetime; 343 u_int8_t plen; 344 struct in6_addr prefix; 345} __attribute__ ((__packed__)); 346 347/* status code info */ 348struct dhcp6_status_info { 349 u_int16_t dh6_status_type; 350 u_int16_t dh6_status_len; 351 u_int16_t dh6_status_code; 352} __attribute__ ((__packed__)); 353 354/* IPv6 address info */ 355struct dhcp6_addr_info { 356 u_int16_t dh6_ai_type; 357 u_int16_t dh6_ai_len; 358 struct in6_addr addr; 359 u_int32_t preferlifetime; 360 u_int32_t validlifetime; 361/* u_int8_t plen; 362 struct dhcp6_status_info status; 363*/ 364} __attribute__ ((__packed__)); 365 366#endif /*__DHCP6_H_DEFINED*/ 367