INET6

DHCP/BOOTP
tcp & udp checksum detection
numerous bugfixes

1 files changed, 193 insertions, 0 deletions

diff --git a/usr.sbin/tcpdump/dhcp6.h b/usr.sbin/tcpdump/dhcp6.h
new file mode 100644
index 00000000000..1dd1b13082b
--- /dev/null
+++ b/usr.sbin/tcpdump/dhcp6.h
@@ -0,0 +1,193 @@
+/*	$OpenBSD: dhcp6.h,v 1.1 2000/04/26 21:35:38 jakob 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.
+ */
+/*
+ * 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*/