Imported Upstream version 4.3.0upstream/4.3.0

1 files changed, 644 insertions, 0 deletions

diff --git a/print-ospf6.c b/print-ospf6.c
new file mode 100644
index 0000000..fb62b39
--- /dev/null
+++ b/print-ospf6.c
@@ -0,0 +1,644 @@
+/*
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-ospf6.c,v 1.15 2006-09-13 06:31:11 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "ospf.h"
+#include "ospf6.h"
+
+static const struct tok ospf6_option_values[] = {
+	{ OSPF6_OPTION_V6,	"V6" },
+	{ OSPF6_OPTION_E,	"External" },
+	{ OSPF6_OPTION_MC,	"Multicast" },
+	{ OSPF6_OPTION_N,	"NSSA" },
+	{ OSPF6_OPTION_R,	"Router" },
+	{ OSPF6_OPTION_DC,	"Demand Circuit" },
+	{ 0,			NULL }
+};
+
+static const struct tok ospf6_rla_flag_values[] = {
+	{ RLA_FLAG_B,		"ABR" },
+	{ RLA_FLAG_E,		"External" },
+	{ RLA_FLAG_V,		"Virtual-Link Endpoint" },
+	{ RLA_FLAG_W,		"Wildcard Receiver" },
+        { RLA_FLAG_N,           "NSSA Translator" },
+	{ 0,			NULL }
+};
+
+static const struct tok ospf6_asla_flag_values[] = {
+	{ ASLA_FLAG_EXTERNAL,	"External Type 2" },
+	{ ASLA_FLAG_FWDADDR,	"Fforwarding" },
+	{ ASLA_FLAG_ROUTETAG,	"Tag" },
+	{ 0,			NULL }
+};
+
+static struct tok ospf6_type_values[] = {
+	{ OSPF_TYPE_HELLO,	"Hello" },
+	{ OSPF_TYPE_DD,		"Database Description" },
+	{ OSPF_TYPE_LS_REQ,	"LS-Request" },
+	{ OSPF_TYPE_LS_UPDATE,	"LS-Update" },
+	{ OSPF_TYPE_LS_ACK,	"LS-Ack" },
+	{ 0,			NULL }
+};
+
+static struct tok ospf6_lsa_values[] = {
+	{ LS_TYPE_ROUTER,       "Router" },
+	{ LS_TYPE_NETWORK,      "Network" },
+	{ LS_TYPE_INTER_AP,     "Inter-Area Prefix" },
+	{ LS_TYPE_INTER_AR,     "Inter-Area Router" },
+	{ LS_TYPE_ASE,          "External" },
+	{ LS_TYPE_GROUP,        "Multicast Group" },
+	{ LS_TYPE_NSSA,         "NSSA" },
+	{ LS_TYPE_LINK,         "Link" },
+	{ LS_TYPE_INTRA_AP,     "Intra-Area Prefix" },
+        { LS_TYPE_INTRA_ATE,    "Intra-Area TE" },
+        { LS_TYPE_GRACE,        "Grace" },
+	{ 0,			NULL }
+};
+
+static struct tok ospf6_ls_scope_values[] = {
+	{ LS_SCOPE_LINKLOCAL,   "Link Local" },
+	{ LS_SCOPE_AREA,        "Area Local" },
+	{ LS_SCOPE_AS,          "Domain Wide" },
+	{ 0,			NULL }
+};
+
+static struct tok ospf6_dd_flag_values[] = {
+	{ OSPF6_DB_INIT,	"Init" },
+	{ OSPF6_DB_MORE,	"More" },
+	{ OSPF6_DB_MASTER,	"Master" },
+	{ 0,			NULL }
+};
+
+static struct tok ospf6_lsa_prefix_option_values[] = {
+        { LSA_PREFIX_OPT_NU, "No Unicast" },
+        { LSA_PREFIX_OPT_LA, "Local address" },
+        { LSA_PREFIX_OPT_MC, "Multicast" },
+        { LSA_PREFIX_OPT_P, "Propagate" },
+        { LSA_PREFIX_OPT_DN, "Down" },
+	{ 0, NULL }
+};
+
+static char tstr[] = " [|ospf3]";
+
+#ifdef WIN32
+#define inline __inline
+#endif /* WIN32 */
+
+/* Forwards */
+static void ospf6_print_ls_type(u_int, const rtrid_t *);
+static int ospf6_print_lshdr(const struct lsa6_hdr *);
+static int ospf6_print_lsa(const struct lsa6 *);
+static int ospf6_decode_v3(const struct ospf6hdr *, const u_char *);
+
+
+static void
+ospf6_print_ls_type(register u_int ls_type, register const rtrid_t *ls_stateid)
+{
+        printf("\n\t    %s LSA (%d), %s Scope%s, LSA-ID %s",
+               tok2str(ospf6_lsa_values, "Unknown", ls_type & LS_TYPE_MASK),
+               ls_type & LS_TYPE_MASK,
+               tok2str(ospf6_ls_scope_values, "Unknown", ls_type & LS_SCOPE_MASK),
+               ls_type &0x8000 ? ", transitive" : "", /* U-bit */
+               ipaddr_string(ls_stateid));
+}
+
+static int
+ospf6_print_lshdr(register const struct lsa6_hdr *lshp)
+{
+
+	TCHECK(lshp->ls_type);
+	TCHECK(lshp->ls_seq);
+
+	printf("\n\t  Advertising Router %s, seq 0x%08x, age %us, length %u",
+               ipaddr_string(&lshp->ls_router),
+               EXTRACT_32BITS(&lshp->ls_seq),
+               EXTRACT_16BITS(&lshp->ls_age),
+               EXTRACT_16BITS(&lshp->ls_length)-(u_int)sizeof(struct lsa6_hdr));
+
+	ospf6_print_ls_type(EXTRACT_16BITS(&lshp->ls_type), &lshp->ls_stateid);
+
+	return (0);
+trunc:
+	return (1);
+}
+
+static int
+ospf6_print_lsaprefix(const u_int8_t *tptr, u_int lsa_length)
+{
+	const struct lsa6_prefix *lsapp = (struct lsa6_prefix *)tptr;
+	u_int wordlen;
+	struct in6_addr prefix;
+
+	if (lsa_length < sizeof (*lsapp) - 4)
+		goto trunc;
+	lsa_length -= sizeof (*lsapp) - 4;
+	TCHECK2(*lsapp, sizeof (*lsapp) - 4);
+	wordlen = (lsapp->lsa_p_len + 31) / 32;
+	if (wordlen * 4 > sizeof(struct in6_addr)) {
+		printf(" bogus prefixlen /%d", lsapp->lsa_p_len);
+		goto trunc;
+	}
+	if (lsa_length < wordlen * 4)
+		goto trunc;
+	lsa_length -= wordlen * 4;
+	TCHECK2(lsapp->lsa_p_prefix, wordlen * 4);
+	memset(&prefix, 0, sizeof(prefix));
+	memcpy(&prefix, lsapp->lsa_p_prefix, wordlen * 4);
+	printf("\n\t\t%s/%d", ip6addr_string(&prefix),
+		lsapp->lsa_p_len);
+        if (lsapp->lsa_p_opt) {
+            printf(", Options [%s]",
+                   bittok2str(ospf6_lsa_prefix_option_values,
+                              "none", lsapp->lsa_p_opt));
+        }
+        printf(", metric %u", EXTRACT_16BITS(&lsapp->lsa_p_metric));
+	return sizeof(*lsapp) - 4 + wordlen * 4;
+
+trunc:
+	return -1;
+}
+
+
+/*
+ * Print a single link state advertisement.  If truncated return 1, else 0.
+ */
+static int
+ospf6_print_lsa(register const struct lsa6 *lsap)
+{
+	register const struct rlalink6 *rlp;
+#if 0
+	register const struct tos_metric *tosp;
+#endif
+	register const rtrid_t *ap;
+#if 0
+	register const struct aslametric *almp;
+	register const struct mcla *mcp;
+#endif
+	register const struct llsa *llsap;
+	register const struct lsa6_prefix *lsapp;
+#if 0
+	register const u_int32_t *lp;
+#endif
+	register u_int prefixes;
+	register int bytelen;
+	register u_int length, lsa_length;
+	u_int32_t flags32;
+	const u_int8_t *tptr;
+
+	if (ospf6_print_lshdr(&lsap->ls_hdr))
+		return (1);
+	TCHECK(lsap->ls_hdr.ls_length);
+        length = EXTRACT_16BITS(&lsap->ls_hdr.ls_length);
+
+	/*
+	 * The LSA length includes the length of the header;
+	 * it must have a value that's at least that length.
+	 * If it does, find the length of what follows the
+	 * header.
+	 */
+        if (length < sizeof(struct lsa6_hdr))
+        	return (1);
+        lsa_length = length - sizeof(struct lsa6_hdr);
+        tptr = (u_int8_t *)lsap+sizeof(struct lsa6_hdr);
+
+	switch (EXTRACT_16BITS(&lsap->ls_hdr.ls_type)) {
+	case LS_TYPE_ROUTER | LS_SCOPE_AREA:
+		if (lsa_length < sizeof (lsap->lsa_un.un_rla.rla_options))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_rla.rla_options);
+		TCHECK(lsap->lsa_un.un_rla.rla_options);
+                printf("\n\t      Options [%s]",
+                       bittok2str(ospf6_option_values, "none",
+                                  EXTRACT_32BITS(&lsap->lsa_un.un_rla.rla_options)));
+                printf(", RLA-Flags [%s]",
+                       bittok2str(ospf6_rla_flag_values, "none",
+                                  lsap->lsa_un.un_rla.rla_flags));
+
+		rlp = lsap->lsa_un.un_rla.rla_link;
+		while (lsa_length != 0) {
+			if (lsa_length < sizeof (*rlp))
+				return (1);
+			lsa_length -= sizeof (*rlp);
+			TCHECK(*rlp);
+			switch (rlp->link_type) {
+
+			case RLA_TYPE_VIRTUAL:
+				printf("\n\t      Virtual Link: Neighbor Router-ID %s"
+                                       "\n\t      Neighbor Interface-ID %s, Interface %s",
+                                       ipaddr_string(&rlp->link_nrtid),
+                                       ipaddr_string(&rlp->link_nifid),
+                                       ipaddr_string(&rlp->link_ifid)); 
+                                break;
+
+			case RLA_TYPE_ROUTER:
+				printf("\n\t      Neighbor Router-ID %s"
+                                       "\n\t      Neighbor Interface-ID %s, Interface %s",
+                                       ipaddr_string(&rlp->link_nrtid),
+                                       ipaddr_string(&rlp->link_nifid),
+                                       ipaddr_string(&rlp->link_ifid)); 
+				break;
+
+			case RLA_TYPE_TRANSIT:
+				printf("\n\t      Neighbor Network-ID %s"
+                                       "\n\t      Neighbor Interface-ID %s, Interface %s",
+				    ipaddr_string(&rlp->link_nrtid),
+				    ipaddr_string(&rlp->link_nifid),
+				    ipaddr_string(&rlp->link_ifid));
+				break;
+
+			default:
+				printf("\n\t      Unknown Router Links Type 0x%02x",
+				    rlp->link_type);
+				return (0);
+			}
+			printf(", metric %d", EXTRACT_16BITS(&rlp->link_metric));
+			rlp++;
+		}
+		break;
+
+	case LS_TYPE_NETWORK | LS_SCOPE_AREA:
+		if (lsa_length < sizeof (lsap->lsa_un.un_nla.nla_options))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_nla.nla_options);
+		TCHECK(lsap->lsa_un.un_nla.nla_options);
+                printf("\n\t      Options [%s]",
+                       bittok2str(ospf6_option_values, "none",
+                                  EXTRACT_32BITS(&lsap->lsa_un.un_nla.nla_options)));
+
+		printf("\n\t      Connected Routers:");
+		ap = lsap->lsa_un.un_nla.nla_router;
+		while (lsa_length != 0) {
+			if (lsa_length < sizeof (*ap))
+				return (1);
+			lsa_length -= sizeof (*ap);
+			TCHECK(*ap);
+			printf("\n\t\t%s", ipaddr_string(ap));
+			++ap;
+		}
+		break;
+
+	case LS_TYPE_INTER_AP | LS_SCOPE_AREA:
+		if (lsa_length < sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric);
+		TCHECK(lsap->lsa_un.un_inter_ap.inter_ap_metric);
+		printf(", metric %u",
+			EXTRACT_32BITS(&lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
+
+		tptr = (u_int8_t *)lsap->lsa_un.un_inter_ap.inter_ap_prefix;
+		while (lsa_length != 0) {
+			bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
+			if (bytelen < 0)
+				goto trunc;
+			lsa_length -= bytelen;
+			tptr += bytelen;
+		}
+		break;
+
+	case LS_TYPE_ASE | LS_SCOPE_AS:
+		if (lsa_length < sizeof (lsap->lsa_un.un_asla.asla_metric))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_asla.asla_metric);
+		TCHECK(lsap->lsa_un.un_asla.asla_metric);
+		flags32 = EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric);
+                printf("\n\t     Flags [%s]",
+                       bittok2str(ospf6_asla_flag_values, "none", flags32));
+		printf(" metric %u",
+		       EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric) &
+		       ASLA_MASK_METRIC);
+
+		tptr = (u_int8_t *)lsap->lsa_un.un_asla.asla_prefix;
+		lsapp = (struct lsa6_prefix *)tptr;
+		bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
+		if (bytelen < 0)
+			goto trunc;
+		lsa_length -= bytelen;
+		tptr += bytelen;
+
+		if ((flags32 & ASLA_FLAG_FWDADDR) != 0) {
+			struct in6_addr *fwdaddr6;
+
+			fwdaddr6 = (struct in6_addr *)tptr;
+			if (lsa_length < sizeof (*fwdaddr6))
+				return (1);
+			lsa_length -= sizeof (*fwdaddr6);
+			TCHECK(*fwdaddr6);
+			printf(" forward %s",
+			       ip6addr_string(fwdaddr6));
+			tptr += sizeof(*fwdaddr6);
+		}
+
+		if ((flags32 & ASLA_FLAG_ROUTETAG) != 0) {
+			if (lsa_length < sizeof (u_int32_t))
+				return (1);
+			lsa_length -= sizeof (u_int32_t);
+			TCHECK(*(u_int32_t *)tptr);
+			printf(" tag %s",
+			       ipaddr_string((u_int32_t *)tptr));
+			tptr += sizeof(u_int32_t);
+		}
+
+		if (lsapp->lsa_p_metric) {
+			if (lsa_length < sizeof (u_int32_t))
+				return (1);
+			lsa_length -= sizeof (u_int32_t);
+			TCHECK(*(u_int32_t *)tptr);
+			printf(" RefLSID: %s",
+			       ipaddr_string((u_int32_t *)tptr));
+			tptr += sizeof(u_int32_t);
+		}
+		break;
+
+	case LS_TYPE_LINK:
+		/* Link LSA */
+		llsap = &lsap->lsa_un.un_llsa;
+		if (lsa_length < sizeof (llsap->llsa_priandopt))
+			return (1);
+		lsa_length -= sizeof (llsap->llsa_priandopt);
+		TCHECK(llsap->llsa_priandopt);
+                printf("\n\t      Options [%s]",
+                       bittok2str(ospf6_option_values, "none",
+                                  EXTRACT_32BITS(&llsap->llsa_options)));
+
+		if (lsa_length < sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix))
+			return (1);
+		lsa_length -= sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix);
+                prefixes = EXTRACT_32BITS(&llsap->llsa_nprefix);
+		printf("\n\t      Priority %d, Link-local address %s, Prefixes %d:",
+                       llsap->llsa_priority,
+                       ip6addr_string(&llsap->llsa_lladdr),
+                       prefixes);
+
+		tptr = (u_int8_t *)llsap->llsa_prefix;
+		while (prefixes > 0) {
+			bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
+			if (bytelen < 0)
+				goto trunc;
+			prefixes--;
+			lsa_length -= bytelen;
+			tptr += bytelen;
+		}
+		break;
+
+	case LS_TYPE_INTRA_AP | LS_SCOPE_AREA:
+		/* Intra-Area-Prefix LSA */
+		if (lsa_length < sizeof (lsap->lsa_un.un_intra_ap.intra_ap_rtid))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_rtid);
+		TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_rtid);
+		ospf6_print_ls_type(
+			EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_lstype),
+			&lsap->lsa_un.un_intra_ap.intra_ap_lsid);
+
+		if (lsa_length < sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix))
+			return (1);
+		lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+		TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+                prefixes = EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+		printf("\n\t      Prefixes %d:", prefixes);
+
+		tptr = (u_int8_t *)lsap->lsa_un.un_intra_ap.intra_ap_prefix;
+		while (prefixes > 0) {
+			bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
+			if (bytelen < 0)
+				goto trunc;
+			prefixes--;
+			lsa_length -= bytelen;
+			tptr += bytelen;
+		}
+		break;
+
+        case LS_TYPE_GRACE | LS_SCOPE_LINKLOCAL:
+                if (ospf_print_grace_lsa(tptr, lsa_length) == -1) {
+                    return 1;
+                }
+                break;
+
+        case LS_TYPE_INTRA_ATE | LS_SCOPE_LINKLOCAL:
+                if (ospf_print_te_lsa(tptr, lsa_length) == -1) {
+                    return 1;
+                }
+                break;
+
+	default:
+                if(!print_unknown_data(tptr,
+                                       "\n\t      ",
+                                       lsa_length)) {
+                    return (1);
+                }
+                break;
+	}
+
+	return (0);
+trunc:
+	return (1);
+}
+
+static int
+ospf6_decode_v3(register const struct ospf6hdr *op,
+    register const u_char *dataend)
+{
+	register const rtrid_t *ap;
+	register const struct lsr6 *lsrp;
+	register const struct lsa6_hdr *lshp;
+	register const struct lsa6 *lsap;
+	register int i;
+
+	switch (op->ospf6_type) {
+
+	case OSPF_TYPE_HELLO:
+                printf("\n\tOptions [%s]",
+                       bittok2str(ospf6_option_values, "none",
+                                  EXTRACT_32BITS(&op->ospf6_hello.hello_options)));
+
+                TCHECK(op->ospf6_hello.hello_deadint);
+                printf("\n\t  Hello Timer %us, Dead Timer %us, Interface-ID %s, Priority %u",
+                       EXTRACT_16BITS(&op->ospf6_hello.hello_helloint),
+                       EXTRACT_16BITS(&op->ospf6_hello.hello_deadint),
+                       ipaddr_string(&op->ospf6_hello.hello_ifid),
+                       op->ospf6_hello.hello_priority);
+
+		TCHECK(op->ospf6_hello.hello_dr);
+		if (op->ospf6_hello.hello_dr != 0)
+			printf("\n\t  Designated Router %s",
+			    ipaddr_string(&op->ospf6_hello.hello_dr));
+		TCHECK(op->ospf6_hello.hello_bdr);
+		if (op->ospf6_hello.hello_bdr != 0)
+			printf(", Backup Designated Router %s",
+			    ipaddr_string(&op->ospf6_hello.hello_bdr));
+		if (vflag) {
+			printf("\n\t  Neighbor List:");
+			ap = op->ospf6_hello.hello_neighbor;
+			while ((u_char *)ap < dataend) {
+				TCHECK(*ap);
+				printf("\n\t    %s", ipaddr_string(ap));
+				++ap;
+			}
+		}
+		break;	/* HELLO */
+
+	case OSPF_TYPE_DD:
+		TCHECK(op->ospf6_db.db_options);
+                printf("\n\tOptions [%s]",
+                       bittok2str(ospf6_option_values, "none",
+                                  EXTRACT_32BITS(&op->ospf6_db.db_options)));
+		TCHECK(op->ospf6_db.db_flags);
+                printf(", DD Flags [%s]",
+                       bittok2str(ospf6_dd_flag_values,"none",op->ospf6_db.db_flags));
+
+		TCHECK(op->ospf6_db.db_seq);
+		printf(", MTU %u, DD-Sequence 0x%08x",
+                       EXTRACT_16BITS(&op->ospf6_db.db_mtu),
+                       EXTRACT_32BITS(&op->ospf6_db.db_seq));
+
+                /* Print all the LS adv's */
+                lshp = op->ospf6_db.db_lshdr;
+                while (!ospf6_print_lshdr(lshp)) {
+                    ++lshp;
+                }
+		break;
+
+	case OSPF_TYPE_LS_REQ:
+		if (vflag) {
+			lsrp = op->ospf6_lsr;
+			while ((u_char *)lsrp < dataend) {
+				TCHECK(*lsrp);
+                                printf("\n\t  Advertising Router %s",
+                                       ipaddr_string(&lsrp->ls_router));
+				ospf6_print_ls_type(EXTRACT_16BITS(&lsrp->ls_type),
+                                                    &lsrp->ls_stateid);
+				++lsrp;
+			}
+		}
+		break;
+
+	case OSPF_TYPE_LS_UPDATE:
+		if (vflag) {
+			lsap = op->ospf6_lsu.lsu_lsa;
+			TCHECK(op->ospf6_lsu.lsu_count);
+			i = EXTRACT_32BITS(&op->ospf6_lsu.lsu_count);
+			while (i--) {
+				if (ospf6_print_lsa(lsap))
+					goto trunc;
+				lsap = (struct lsa6 *)((u_char *)lsap +
+				    EXTRACT_16BITS(&lsap->ls_hdr.ls_length));
+			}
+		}
+		break;
+
+
+	case OSPF_TYPE_LS_ACK:
+		if (vflag) {
+			lshp = op->ospf6_lsa.lsa_lshdr;
+
+			while (!ospf6_print_lshdr(lshp)) {
+				++lshp;
+			}
+		}
+		break;
+
+	default:
+		break;
+	}
+	return (0);
+trunc:
+	return (1);
+}
+
+void
+ospf6_print(register const u_char *bp, register u_int length)
+{
+	register const struct ospf6hdr *op;
+	register const u_char *dataend;
+	register const char *cp;
+
+	op = (struct ospf6hdr *)bp;
+
+	/* If the type is valid translate it, or just print the type */
+	/* value.  If it's not valid, say so and return */
+	TCHECK(op->ospf6_type);
+	cp = tok2str(ospf6_type_values, "unknown LS-type", op->ospf6_type);
+	printf("OSPFv%u, %s, length %d", op->ospf6_version, cp, length);
+	if (*cp == 'u') {
+		return;
+        }
+
+        if(!vflag) { /* non verbose - so lets bail out here */
+                return;
+        }
+
+	TCHECK(op->ospf6_len);
+	if (length != EXTRACT_16BITS(&op->ospf6_len)) {
+		printf(" [len %d]", EXTRACT_16BITS(&op->ospf6_len));
+		return;
+	}
+	dataend = bp + length;
+
+	/* Print the routerid if it is not the same as the source */
+	TCHECK(op->ospf6_routerid);
+	printf("\n\tRouter-ID %s", ipaddr_string(&op->ospf6_routerid));
+
+	TCHECK(op->ospf6_areaid);
+	if (op->ospf6_areaid != 0)
+		printf(", Area %s", ipaddr_string(&op->ospf6_areaid));
+	else
+		printf(", Backbone Area");
+	TCHECK(op->ospf6_instanceid);
+	if (op->ospf6_instanceid)
+		printf(", Instance %u", op->ospf6_instanceid);
+
+	/* Do rest according to version.	 */
+	switch (op->ospf6_version) {
+
+	case 3:
+		/* ospf version 3 */
+		if (ospf6_decode_v3(op, dataend))
+			goto trunc;
+		break;
+
+	default:
+		printf(" ospf [version %d]", op->ospf6_version);
+		break;
+	}			/* end switch on version */
+
+	return;
+trunc:
+	fputs(tstr, stdout);
+}