GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/tcpdump/print-ospf6.c Lines: 0 256 0.0 %
Date: 2017-11-13 Branches: 0 223 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: print-ospf6.c,v 1.9 2015/11/16 00:16:39 mmcc Exp $	*/
2
3
4
/*
5
 * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
6
 *	The Regents of the University of California.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that: (1) source code distributions
10
 * retain the above copyright notice and this paragraph in its entirety, (2)
11
 * distributions including binary code include the above copyright notice and
12
 * this paragraph in its entirety in the documentation or other materials
13
 * provided with the distribution, and (3) all advertising materials mentioning
14
 * features or use of this software display the following acknowledgement:
15
 * ``This product includes software developed by the University of California,
16
 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
17
 * the University nor the names of its contributors may be used to endorse
18
 * or promote products derived from this software without specific prior
19
 * written permission.
20
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
21
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
22
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23
 *
24
 * OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
25
 */
26
27
#ifdef INET6
28
29
#include <sys/time.h>
30
#include <sys/socket.h>
31
32
#include <netinet/in.h>
33
#include <netinet/ip.h>
34
#include <netinet/ip_var.h>
35
36
#include <ctype.h>
37
#include <stdio.h>
38
#include <string.h>
39
40
#include "interface.h"
41
#include "addrtoname.h"
42
43
#include "ospf6.h"
44
45
struct bits {
46
	u_int32_t bit;
47
	const char *str;
48
};
49
50
static const struct bits ospf6_option_bits[] = {
51
	{ OSPF6_OPTION_V6,	"V6" },
52
	{ OSPF6_OPTION_E,	"E" },
53
	{ OSPF6_OPTION_MC,	"MC" },
54
	{ OSPF6_OPTION_N,	"N" },
55
	{ OSPF6_OPTION_R,	"R" },
56
	{ OSPF6_OPTION_DC,	"DC" },
57
	{ 0,			NULL }
58
};
59
60
static const struct bits ospf6_rla_flag_bits[] = {
61
	{ RLA_FLAG_B,		"B" },
62
	{ RLA_FLAG_E,		"E" },
63
	{ RLA_FLAG_V,		"V" },
64
	{ RLA_FLAG_W,		"W" },
65
	{ 0,			NULL }
66
};
67
68
static struct tok type2str[] = {
69
	{ OSPF_TYPE_UMD,	"umd" },
70
	{ OSPF_TYPE_HELLO,	"hello" },
71
	{ OSPF_TYPE_DB,		"dd" },
72
	{ OSPF_TYPE_LSR,	"ls_req" },
73
	{ OSPF_TYPE_LSU,	"ls_upd" },
74
	{ OSPF_TYPE_LSA,	"ls_ack" },
75
	{ 0,			NULL }
76
};
77
78
static char tstr[] = " [|ospf]";
79
80
/* Forwards */
81
static inline void ospf6_print_seqage(u_int32_t, time_t);
82
static inline void ospf6_print_bits(const struct bits *, u_char);
83
static void ospf6_print_ls_type(u_int, const rtrid_t *,
84
    const rtrid_t *, const char *);
85
static int ospf6_print_lshdr(const struct lsa_hdr *);
86
static int ospf6_print_lsa(const struct lsa *);
87
static int ospf6_decode_v3(const struct ospf6hdr *, const u_char *);
88
89
static inline void
90
ospf6_print_seqage(u_int32_t seq, time_t us)
91
{
92
	time_t sec = us % 60;
93
	time_t mins = (us / 60) % 60;
94
	time_t hour = us / 3600;
95
96
	printf(" S %X age ", seq);
97
	if (hour)
98
		printf("%u:%02u:%02u",
99
		    (u_int32_t) hour, (u_int32_t) mins, (u_int32_t) sec);
100
	else if (mins)
101
		printf("%u:%02u", (u_int32_t) mins, (u_int32_t) sec);
102
	else
103
		printf("%u", (u_int32_t) sec);
104
}
105
106
107
static inline void
108
ospf6_print_bits(const struct bits *bp, u_char options)
109
{
110
	char sep = ' ';
111
112
	do {
113
		if (options & bp->bit) {
114
			printf("%c%s", sep, bp->str);
115
			sep = '/';
116
		}
117
	} while ((++bp)->bit);
118
}
119
120
static void
121
ospf6_print_ls_type(u_int ls_type, const rtrid_t *ls_stateid,
122
    const rtrid_t *ls_router, const char *fmt)
123
{
124
	char *scope;
125
126
	switch (ls_type & LS_SCOPE_MASK) {
127
	case LS_SCOPE_LINKLOCAL:
128
		scope = "linklocal-";
129
		break;
130
	case LS_SCOPE_AREA:
131
		scope = "area-";
132
		break;
133
	case LS_SCOPE_AS:
134
		scope = "AS-";
135
		break;
136
	default:
137
		scope = "";
138
		break;
139
	}
140
141
	switch (ls_type & LS_TYPE_MASK) {
142
	case LS_TYPE_ROUTER:
143
		printf(" %srtr %s", scope, ipaddr_string(ls_router));
144
		break;
145
146
	case LS_TYPE_NETWORK:
147
		printf(" %snet dr %s if %s", scope,
148
		    ipaddr_string(ls_router),
149
		    ipaddr_string(ls_stateid));
150
		break;
151
152
	case LS_TYPE_INTER_AP:
153
		printf(" %sinter-area-prefix %s abr %s", scope,
154
		    ipaddr_string(ls_stateid),
155
		    ipaddr_string(ls_router));
156
		break;
157
158
	case LS_TYPE_INTER_AR:
159
		printf(" %sinter-area-router %s rtr %s", scope,
160
		    ipaddr_string(ls_router),
161
		    ipaddr_string(ls_stateid));
162
		break;
163
164
	case LS_TYPE_ASE:
165
		printf(" %sase %s asbr %s", scope,
166
		    ipaddr_string(ls_stateid),
167
		    ipaddr_string(ls_router));
168
		break;
169
170
	case LS_TYPE_GROUP:
171
		printf(" %sgroup %s rtr %s", scope,
172
		    ipaddr_string(ls_stateid),
173
		    ipaddr_string(ls_router));
174
		break;
175
176
	case LS_TYPE_TYPE7:
177
		printf(" %stype7 %s rtr %s", scope,
178
		    ipaddr_string(ls_stateid),
179
		    ipaddr_string(ls_router));
180
		break;
181
182
	case LS_TYPE_LINK:
183
		printf(" %slink %s rtr %s", scope,
184
		    ipaddr_string(ls_stateid),
185
		    ipaddr_string(ls_router));
186
		break;
187
188
	case LS_TYPE_INTRA_AP:
189
		printf(" %sintra-area-prefix %s rtr %s", scope,
190
		    ipaddr_string(ls_stateid),
191
		    ipaddr_string(ls_router));
192
		break;
193
194
	default:
195
		printf(" %s", scope);
196
		printf(fmt, ls_type);
197
		break;
198
	}
199
200
}
201
202
static int
203
ospf6_print_lshdr(const struct lsa_hdr *lshp)
204
{
205
206
	TCHECK(lshp->ls_type);
207
	printf(" {");						/* } (ctags) */
208
209
	TCHECK(lshp->ls_seq);
210
	ospf6_print_seqage(ntohl(lshp->ls_seq), ntohs(lshp->ls_age));
211
	ospf6_print_ls_type(ntohs(lshp->ls_type), &lshp->ls_stateid,
212
		&lshp->ls_router, "ls_type %d");
213
214
	return (0);
215
trunc:
216
	return (1);
217
}
218
219
static int
220
ospf6_print_lsaprefix(const struct lsa_prefix *lsapp)
221
{
222
	int k;
223
	struct in6_addr prefix;
224
225
	TCHECK(*lsapp);
226
	k = (lsapp->lsa_p_len + 31) / 32;
227
	if (k * 4 > sizeof(struct in6_addr)) {
228
		printf("??prefixlen %d??", lsapp->lsa_p_len);
229
		goto trunc;
230
	}
231
	memset(&prefix, 0, sizeof(prefix));
232
	memcpy(&prefix, lsapp->lsa_p_prefix, k * 4);
233
	printf(" %s/%d", ip6addr_string(&prefix),
234
		lsapp->lsa_p_len);
235
	if (lsapp->lsa_p_opt)
236
		printf("(opt=%x)", lsapp->lsa_p_opt);
237
	return sizeof(*lsapp) - 4 + k * 4;
238
239
trunc:
240
	return -1;
241
}
242
243
244
/*
245
 * Print a single link state advertisement.  If truncated return 1, else 0.
246
 */
247
static int
248
ospf6_print_lsa(const struct lsa *lsap)
249
{
250
	const u_char *ls_end;
251
	const struct rlalink *rlp;
252
#if 0
253
	const struct tos_metric *tosp;
254
#endif
255
	const rtrid_t *ap;
256
#if 0
257
	const struct aslametric *almp;
258
	const struct mcla *mcp;
259
#endif
260
	const struct llsa *llsap;
261
	const struct lsa_prefix *lsapp;
262
#if 0
263
	const u_int32_t *lp;
264
#endif
265
	int j, k;
266
267
	if (ospf6_print_lshdr(&lsap->ls_hdr))
268
		return (1);
269
	TCHECK(lsap->ls_hdr.ls_length);
270
	ls_end = (u_char *)lsap + ntohs(lsap->ls_hdr.ls_length);
271
	switch (ntohs(lsap->ls_hdr.ls_type)) {
272
	case LS_TYPE_ROUTER | LS_SCOPE_AREA:
273
		TCHECK(lsap->lsa_un.un_rla.rla_flags);
274
		ospf6_print_bits(ospf6_rla_flag_bits,
275
			lsap->lsa_un.un_rla.rla_flags);
276
		TCHECK(lsap->lsa_un.un_rla.rla_options);
277
		ospf6_print_bits(ospf6_option_bits,
278
			ntohl(lsap->lsa_un.un_rla.rla_options));
279
280
		TCHECK(lsap->lsa_un.un_rla.rla_link);
281
		rlp = lsap->lsa_un.un_rla.rla_link;
282
		while (rlp + sizeof(*rlp) <= (struct rlalink *)ls_end) {
283
			TCHECK(*rlp);
284
			printf(" {");				/* } (ctags) */
285
			switch (rlp->link_type) {
286
287
			case RLA_TYPE_VIRTUAL:
288
				printf(" virt");
289
				/* FALLTHROUGH */
290
291
			case RLA_TYPE_ROUTER:
292
				printf(" nbrid %s nbrif %s if %s",
293
				    ipaddr_string(&rlp->link_nrtid),
294
				    ipaddr_string(&rlp->link_nifid),
295
				    ipaddr_string(&rlp->link_ifid));
296
				break;
297
298
			case RLA_TYPE_TRANSIT:
299
				printf(" dr %s drif %s if %s",
300
				    ipaddr_string(&rlp->link_nrtid),
301
				    ipaddr_string(&rlp->link_nifid),
302
				    ipaddr_string(&rlp->link_ifid));
303
				break;
304
305
			default:
306
								/* { (ctags) */
307
				printf(" ??RouterLinksType 0x%02x?? }",
308
				    rlp->link_type);
309
				return (0);
310
			}
311
			printf(" metric %d", ntohs(rlp->link_metric));
312
								/* { (ctags) */
313
			printf(" }");
314
			rlp++;
315
		}
316
		break;
317
318
	case LS_TYPE_NETWORK | LS_SCOPE_AREA:
319
		TCHECK(lsap->lsa_un.un_nla.nla_options);
320
		ospf6_print_bits(ospf6_option_bits,
321
			ntohl(lsap->lsa_un.un_nla.nla_options));
322
		printf(" rtrs");
323
		ap = lsap->lsa_un.un_nla.nla_router;
324
		while ((u_char *)ap < ls_end) {
325
			TCHECK(*ap);
326
			printf(" %s", ipaddr_string(ap));
327
			++ap;
328
		}
329
		break;
330
331
	case LS_TYPE_INTER_AP | LS_SCOPE_AREA:
332
		TCHECK(lsap->lsa_un.un_inter_ap.inter_ap_metric);
333
		printf(" metric %u",
334
			(u_int32_t)ntohl(lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
335
		lsapp = lsap->lsa_un.un_inter_ap.inter_ap_prefix;
336
		while (lsapp + sizeof(lsapp) <= (struct lsa_prefix *)ls_end) {
337
			k = ospf6_print_lsaprefix(lsapp);
338
			if (k < 0)
339
				goto trunc;
340
			lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
341
		}
342
		break;
343
344
#if 0
345
	case LS_TYPE_SUM_ABR:
346
		TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
347
		lp = lsap->lsa_un.un_sla.sla_tosmetric;
348
		while ((u_char *)lp < ls_end) {
349
			u_int32_t ul;
350
351
			TCHECK(*lp);
352
			ul = ntohl(*lp);
353
			printf(" tos %d metric %d",
354
			    (ul & SLA_MASK_TOS) >> SLA_SHIFT_TOS,
355
			    ul & SLA_MASK_METRIC);
356
			++lp;
357
		}
358
		break;
359
360
	case LS_TYPE_ASE:
361
		TCHECK(lsap->lsa_un.un_nla.nla_mask);
362
		printf(" mask %s",
363
		    ipaddr_string(&lsap->lsa_un.un_asla.asla_mask));
364
365
		TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
366
		almp = lsap->lsa_un.un_asla.asla_metric;
367
		while ((u_char *)almp < ls_end) {
368
			u_int32_t ul;
369
370
			TCHECK(almp->asla_tosmetric);
371
			ul = ntohl(almp->asla_tosmetric);
372
			printf(" type %d tos %d metric %d",
373
			    (ul & ASLA_FLAG_EXTERNAL) ? 2 : 1,
374
			    (ul & ASLA_MASK_TOS) >> ASLA_SHIFT_TOS,
375
			    (ul & ASLA_MASK_METRIC));
376
			TCHECK(almp->asla_forward);
377
			if (almp->asla_forward.s_addr) {
378
				printf(" forward %s",
379
				    ipaddr_string(&almp->asla_forward));
380
			}
381
			TCHECK(almp->asla_tag);
382
			if (almp->asla_tag.s_addr) {
383
				printf(" tag %s",
384
				    ipaddr_string(&almp->asla_tag));
385
			}
386
			++almp;
387
		}
388
		break;
389
390
	case LS_TYPE_GROUP:
391
		/* Multicast extensions as of 23 July 1991 */
392
		mcp = lsap->lsa_un.un_mcla;
393
		while ((u_char *)mcp < ls_end) {
394
			TCHECK(mcp->mcla_vid);
395
			switch (ntohl(mcp->mcla_vtype)) {
396
397
			case MCLA_VERTEX_ROUTER:
398
				printf(" rtr rtrid %s",
399
				    ipaddr_string(&mcp->mcla_vid));
400
				break;
401
402
			case MCLA_VERTEX_NETWORK:
403
				printf(" net dr %s",
404
				    ipaddr_string(&mcp->mcla_vid));
405
				break;
406
407
			default:
408
				printf(" ??VertexType %u??",
409
				    (u_int32_t)ntohl(mcp->mcla_vtype));
410
				break;
411
			}
412
		++mcp;
413
		}
414
#endif
415
416
	case LS_TYPE_LINK:
417
		/* Link LSA */
418
		llsap = &lsap->lsa_un.un_llsa;
419
		TCHECK(llsap->llsa_options);
420
		ospf6_print_bits(ospf6_option_bits, ntohl(llsap->llsa_options));
421
		TCHECK(llsap->llsa_nprefix);
422
		printf(" pri %d lladdr %s npref %d", llsap->llsa_priority,
423
			ip6addr_string(&llsap->llsa_lladdr),
424
			(u_int32_t)ntohl(llsap->llsa_nprefix));
425
		lsapp = llsap->llsa_prefix;
426
		for (j = 0; j < ntohl(llsap->llsa_nprefix); j++) {
427
			k = ospf6_print_lsaprefix(lsapp);
428
			if (k < 0)
429
				goto trunc;
430
			lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
431
		}
432
		break;
433
434
	case LS_TYPE_INTRA_AP | LS_SCOPE_AREA:
435
		/* Intra-Area-Prefix LSA */
436
		TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_rtid);
437
		ospf6_print_ls_type(
438
			ntohs(lsap->lsa_un.un_intra_ap.intra_ap_lstype),
439
			&lsap->lsa_un.un_intra_ap.intra_ap_lsid,
440
			&lsap->lsa_un.un_intra_ap.intra_ap_rtid,
441
			"LinkStateType %d");
442
		TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
443
		printf(" npref %d",
444
			ntohs(lsap->lsa_un.un_intra_ap.intra_ap_nprefix));
445
446
		lsapp = lsap->lsa_un.un_intra_ap.intra_ap_prefix;
447
		for (j = 0;
448
		     j < ntohs(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
449
		     j++) {
450
			k = ospf6_print_lsaprefix(lsapp);
451
			if (k < 0)
452
				goto trunc;
453
			lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
454
		}
455
		break;
456
457
	default:
458
		printf(" ??LinkStateType 0x%04x??",
459
			ntohs(lsap->ls_hdr.ls_type));
460
	}
461
462
								/* { (ctags) */
463
	fputs(" }", stdout);
464
	return (0);
465
trunc:
466
	fputs(" }", stdout);
467
	return (1);
468
}
469
470
static int
471
ospf6_decode_v3(const struct ospf6hdr *op, const u_char *dataend)
472
{
473
	const rtrid_t *ap;
474
	const struct lsr *lsrp;
475
	const struct lsa_hdr *lshp;
476
	const struct lsa *lsap;
477
	char sep;
478
	int i;
479
480
	switch (op->ospf6_type) {
481
482
	case OSPF_TYPE_UMD:
483
		/*
484
		 * Rob Coltun's special monitoring packets;
485
		 * do nothing
486
		 */
487
		break;
488
489
	case OSPF_TYPE_HELLO:
490
		if (vflag) {
491
			TCHECK(op->ospf6_hello.hello_deadint);
492
			ospf6_print_bits(ospf6_option_bits,
493
			    ntohl(op->ospf6_hello.hello_options));
494
			printf(" ifid %s pri %d int %d dead %u",
495
			    ipaddr_string(&op->ospf6_hello.hello_ifid),
496
			    op->ospf6_hello.hello_priority,
497
			    ntohs(op->ospf6_hello.hello_helloint),
498
			    ntohs(op->ospf6_hello.hello_deadint));
499
		}
500
		TCHECK(op->ospf6_hello.hello_dr);
501
		if (op->ospf6_hello.hello_dr != 0)
502
			printf(" dr %s",
503
			    ipaddr_string(&op->ospf6_hello.hello_dr));
504
		TCHECK(op->ospf6_hello.hello_bdr);
505
		if (op->ospf6_hello.hello_bdr != 0)
506
			printf(" bdr %s",
507
			    ipaddr_string(&op->ospf6_hello.hello_bdr));
508
		if (vflag) {
509
			printf(" nbrs");
510
			ap = op->ospf6_hello.hello_neighbor;
511
			while ((u_char *)ap < dataend) {
512
				TCHECK(*ap);
513
				printf(" %s", ipaddr_string(ap));
514
				++ap;
515
			}
516
		}
517
		break;	/* HELLO */
518
519
	case OSPF_TYPE_DB:
520
		TCHECK(op->ospf6_db.db_options);
521
		ospf6_print_bits(ospf6_option_bits,
522
			ntohl(op->ospf6_db.db_options));
523
		sep = ' ';
524
		TCHECK(op->ospf6_db.db_flags);
525
		if (op->ospf6_db.db_flags & OSPF6_DB_INIT) {
526
			printf("%cI", sep);
527
			sep = '/';
528
		}
529
		if (op->ospf6_db.db_flags & OSPF6_DB_MORE) {
530
			printf("%cM", sep);
531
			sep = '/';
532
		}
533
		if (op->ospf6_db.db_flags & OSPF6_DB_MASTER) {
534
			printf("%cMS", sep);
535
			sep = '/';
536
		}
537
		TCHECK(op->ospf6_db.db_seq);
538
		printf(" mtu %u S %X", ntohs(op->ospf6_db.db_mtu),
539
			(u_int32_t)ntohl(op->ospf6_db.db_seq));
540
541
		if (vflag) {
542
			/* Print all the LS adv's */
543
			lshp = op->ospf6_db.db_lshdr;
544
545
			while (!ospf6_print_lshdr(lshp)) {
546
							/* { (ctags) */
547
				printf(" }");
548
				++lshp;
549
			}
550
		}
551
		break;
552
553
	case OSPF_TYPE_LSR:
554
		if (vflag) {
555
			lsrp = op->ospf6_lsr;
556
			while ((u_char *)lsrp < dataend) {
557
				TCHECK(*lsrp);
558
				printf(" {");		/* } (ctags) */
559
				ospf6_print_ls_type(ntohs(lsrp->ls_type),
560
				    &lsrp->ls_stateid,
561
				    &lsrp->ls_router,
562
				    "LinkStateType %d");
563
							/* { (ctags) */
564
				printf(" }");
565
				++lsrp;
566
			}
567
		}
568
		break;
569
570
	case OSPF_TYPE_LSU:
571
		if (vflag) {
572
			lsap = op->ospf6_lsu.lsu_lsa;
573
			TCHECK(op->ospf6_lsu.lsu_count);
574
			i = ntohl(op->ospf6_lsu.lsu_count);
575
			while (i--) {
576
				if (ospf6_print_lsa(lsap))
577
					goto trunc;
578
				lsap = (struct lsa *)((u_char *)lsap +
579
				    ntohs(lsap->ls_hdr.ls_length));
580
			}
581
		}
582
		break;
583
584
585
	case OSPF_TYPE_LSA:
586
		if (vflag) {
587
			lshp = op->ospf6_lsa.lsa_lshdr;
588
589
			while (!ospf6_print_lshdr(lshp)) {
590
							/* { (ctags) */
591
				printf(" }");
592
				++lshp;
593
			}
594
		}
595
		break;
596
597
	default:
598
		printf("v3 type %d", op->ospf6_type);
599
		break;
600
	}
601
	return (0);
602
trunc:
603
	return (1);
604
}
605
606
void
607
ospf6_print(const u_char *bp, u_int length)
608
{
609
	const struct ospf6hdr *op;
610
	const u_char *dataend;
611
	const char *cp;
612
613
	op = (struct ospf6hdr *)bp;
614
615
	/* If the type is valid translate it, or just print the type */
616
	/* value.  If it's not valid, say so and return */
617
	TCHECK(op->ospf6_type);
618
	cp = tok2str(type2str, "type%d", op->ospf6_type);
619
	printf(" OSPFv%d-%s %d:", op->ospf6_version, cp, length);
620
	if (*cp == 't')
621
		return;
622
623
	TCHECK(op->ospf6_len);
624
	if (length != ntohs(op->ospf6_len)) {
625
		printf(" [len %d]", ntohs(op->ospf6_len));
626
		return;
627
	}
628
	dataend = bp + length;
629
630
	TCHECK(op->ospf6_routerid);
631
	printf(" rtrid %s", ipaddr_string(&op->ospf6_routerid));
632
633
	TCHECK(op->ospf6_areaid);
634
	if (op->ospf6_areaid != 0)
635
		printf(" area %s", ipaddr_string(&op->ospf6_areaid));
636
	else
637
		printf(" backbone");
638
	TCHECK(op->ospf6_instanceid);
639
	if (op->ospf6_instanceid)
640
		printf(" instance %u", op->ospf6_instanceid);
641
642
	/* Do rest according to version.	 */
643
	switch (op->ospf6_version) {
644
645
	case 3:
646
		/* ospf version 3 */
647
		if (ospf6_decode_v3(op, dataend))
648
			goto trunc;
649
		break;
650
651
	default:
652
		printf(" ospf [version %d]", op->ospf6_version);
653
		break;
654
	}			/* end switch on version */
655
656
	return;
657
trunc:
658
	fputs(tstr, stdout);
659
}
660
661
#endif /* INET6 */