diff options
Diffstat (limited to 'contrib/tcpdump/dhcp6.h')
| -rw-r--r-- | contrib/tcpdump/dhcp6.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/contrib/tcpdump/dhcp6.h b/contrib/tcpdump/dhcp6.h new file mode 100644 index 0000000..161796f --- /dev/null +++ b/contrib/tcpdump/dhcp6.h @@ -0,0 +1,191 @@ +/* + * 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. + */ +/* + * draft-ietf-dhc-dhcpv6-14 + */ + +#ifndef __DHCP6_H_DEFINED +#define __DHCP6_H_DEFINED + +/* Error Values */ +#define DH6ERR_FAILURE 16 +#define DH6ERR_AUTHFAIL 17 +#define DH6ERR_POORLYFORMED 18 +#define DH6ERR_UNAVAIL 19 +#define DH6ERR_NOBINDING 20 +#define DH6ERR_INVALIDSOURCE 21 +#define DH6ERR_NOSERVER 23 +#define DH6ERR_ICMPERROR 64 + +/* Message type */ +#define DH6_SOLICIT 1 +#define DH6_ADVERT 2 +#define DH6_REQUEST 3 +#define DH6_REPLY 4 +#define DH6_RELEASE 5 +#define DH6_RECONFIG 6 + +/* Predefined addresses */ +#define DH6ADDR_ALLAGENT "ff02::1:2" +#define DH6ADDR_ALLSERVER "ff05::1:3" +#define DH6ADDR_ALLRELAY "ff05::1:4" +#define DH6PORT_DOWNSTREAM "546" +#define DH6PORT_UPSTREAM "547" + +/* Protocol constants */ +#define ADV_CLIENT_WAIT 2 /* sec */ +#define DEFAULT_SOLICIT_HOPCOUNT 4 +#define SERVER_MIN_ADV_DELAY 100 /* msec */ +#define SERVER_MAX_ADV_DELAY 1000 /* msec */ +#define REPLY_MSG_TIMEOUT 2 /* sec */ +#define REQUEST_MSG_MIN_RETRANS 10 /* retransmissions */ +#define RECONF_MSG_MIN_RETRANS 10 /* retransmissions */ +#define RECONF_MSG_RETRANS_INTERVAL 12 /* sec */ +#define RECONF_MMSG_MIN_RESP 2 /* sec */ +#define RECONF_MMSG_MAX_RESP 10 /* sec */ +#define RECONF_MULTICAST_REQUEST_WAIT 120 /* sec */ +#define MIN_SOLICIT_DELAY 1 /* sec */ +#define MAX_SOLICIT_DELAY 5 /* sec */ +#define XID_TIMEOUT 600 /* sec */ + +/* DHCP6 base packet format */ +struct dhcp6_solicit { + u_int8_t dh6sol_msgtype; /* DH6_SOLICIT */ + u_int8_t dh6sol_flags; +#define DH6SOL_CLOSE 0x80 + u_int8_t dh6sol_pad; + u_int8_t dh6sol_prefixsiz; /* prefix-size */ + struct in6_addr dh6sol_cliaddr; /* client's lladdr */ + struct in6_addr dh6sol_relayaddr; /* relay agent's lladdr */ +}; + +/* NOTE: dhcpv6-12 and dhcpv6-13+n are not compatible at all */ +struct dhcp6_advert { + u_int8_t dh6adv_msgtype; /* DH6_ADVERT */ + u_int8_t dh6adv_flags; +#define DH6ADV_SERVPRESENT 0x80 + u_int8_t dh6adv_pad; + u_int8_t dh6adv_pref; + struct in6_addr dh6adv_cliaddr; /* client's lladdr */ + struct in6_addr dh6adv_relayaddr; /* relay agent's (non-ll) addr */ + struct in6_addr dh6adv_serveraddr; /* server's addr */ + /* extensions */ +}; + +struct dhcp6_request { + u_int8_t dh6req_msgtype; /* DH6_REQUEST */ + u_int8_t dh6req_flags; +#define DH6REQ_CLOSE 0x80 +#define DH6REQ_SERVPRESENT 0x40 +#define DH6REQ_REBOOT 0x20 + u_int16_t dh6req_xid; /* transaction-ID */ + struct in6_addr dh6req_cliaddr; /* client's lladdr */ + struct in6_addr dh6req_relayaddr; /* relay agent's (non-ll) addr */ + /* struct in6_addr dh6req_serveraddr; optional: server's addr */ + /* extensions */ +}; + +struct dhcp6_reply { + u_int8_t dh6rep_msgtype; /* DH6_REPLY */ + u_int8_t dh6rep_flagandstat; +#define DH6REP_CLIPRESENT 0x80 +#define DH6REP_STATMASK 0x7f + u_int16_t dh6rep_xid; /* transaction-ID */ + /* struct in6_addr dh6rep_cliaddr; optional: client's lladdr */ + /* extensions */ +}; + +struct dhcp6_release { + u_int8_t dh6rel_msgtype; /* DH6_RELEASE */ + u_int8_t dh6rel_flags; +#define DH6REL_DIRECT 0x80 + u_int16_t dh6rel_xid; /* transaction-ID */ + struct in6_addr dh6rel_cliaddr; /* client's lladdr */ + struct in6_addr dh6rel_relayaddr; /* relay agent's (non-ll) addr */ + struct in6_addr dh6rel_reladdr; /* server's addr to be released */ + /* extensions */ +}; + +struct dhcp6_reconfig { + u_int8_t dh6cfg_msgtype; /* DH6_RECONFIG */ + u_int8_t dh6cfg_flags; +#define DH6REP_NOREPLY 0x80 + u_int16_t dh6cfg_xid; /* transaction-ID */ + struct in6_addr dh6cfg_servaddr; /* server's addr */ + /* extensions */ +}; + +union dhcp6 { + u_int8_t dh6_msgtype; + struct dhcp6_solicit dh6_sol; + struct dhcp6_advert dh6_adv; + struct dhcp6_request dh6_req; + struct dhcp6_reply dh6_rep; + struct dhcp6_release dh6_rel; + struct dhcp6_reconfig dh6_cfg; +}; + +/* DHCP6 extension */ +struct dhcp6e_ipaddr { + u_int16_t dh6eip_type; + u_int16_t dh6eip_len; + u_int8_t dh6eip_status; +#define DH6EX_IP_SUCCESS 0 /* request granted, no errors */ +#define DH6EX_IP_SECFAIL 18 /* Security parameters failed */ +#define DH6EX_IP_AAAAFAIL 20 /* AAAA Record Parameter Problem */ +#define DH6EX_IP_PTRFAIL 21 /* PTR Record Parameter Problem */ +#define DH6EX_IP_PARAMFAIL 22 /* Unable to honor required params */ +#define DH6EX_IP_DNSNAMEFAIL 23 /* DNS name string error */ +#define DH6EX_IP_NODYNDNS 24 /* dynDNS Not Implemented */ +#define DH6EX_IP_NOAUTHDNS 25 /* Authoritative DNS Server not found */ +#define DH6EX_IP_DNSFORMFAIL 33 /* DNS format error */ +#define DH6EX_IP_SERVFAIL 34 /* dynDNS unavailable at this time */ +#define DH6EX_IP_NXDOMAIN 35 /* name does not exist */ +#define DH6EX_IP_NOTIMP 36 /* DNS does not support the Opcode */ +#define DH6EX_IP_REFUSED 37 /* DNS refuses specified operation */ +#define DH6EX_IP_YXDOMAIN 38 /* name does not exist */ +#define DH6EX_IP_YXRRSET 39 /* RRset does not exist */ +#define DH6EX_IP_NXRRSET 40 /* RRset does not exist */ +#define DH6EX_IP_NOTAUTH 41 /* non authoritative name server */ +#define DH6EX_IP_NOTZONE 42 /* prerequisite out of zone */ + u_int8_t dh6eip_flags; +#define DH6EX_IP_CLIANTADDR 0x80 /* C: cliant's addr */ +#define DH6EX_IP_LIFETIME 0x40 /* L: preferred/valid lifetime */ +#define DH6EX_IP_FORCEOPTS 0x20 /* Q: options are mandatory */ +#define DH6EX_IP_AAAA 0x10 /* A: DNS dynamic update for AAAA */ +#define DH6EX_IP_PTR 0x08 /* P: DNS dynamic update for PTR*/ + u_int8_t dh6eip_pad; + u_int8_t dh6eip_prefixlen; + /* struct in6_addr: client's address (if C bit = 1) */ + /* u_int: preferred lifetime (if L bit = 1) */ + /* u_int: valid lifetime (if L bit = 1) */ + /* string: DNS name */ +}; + +#endif /*__DHCP6_H_DEFINED*/ |
