key_debug.c revision 195699
1/*	$FreeBSD: head/sys/netipsec/key_debug.c 195699 2009-07-14 22:48:30Z rwatson $	*/
2/*	$KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $	*/
3
4/*-
5 * Copyright (C) 1995, 1996, 1997, and 1998 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#ifdef _KERNEL
34#include "opt_inet.h"
35#include "opt_inet6.h"
36#include "opt_ipsec.h"
37#endif
38
39#include <sys/types.h>
40#include <sys/param.h>
41#ifdef _KERNEL
42#include <sys/systm.h>
43#include <sys/mbuf.h>
44#include <sys/queue.h>
45#endif
46#include <sys/socket.h>
47
48#include <net/route.h>
49#include <net/vnet.h>
50
51#include <netipsec/key_var.h>
52#include <netipsec/key_debug.h>
53
54#include <netinet/in.h>
55#include <netipsec/ipsec.h>
56#ifdef _KERNEL
57#include <netipsec/keydb.h>
58#endif
59
60#ifndef _KERNEL
61#include <ctype.h>
62#include <stdio.h>
63#include <stdlib.h>
64#endif /* !_KERNEL */
65
66static void kdebug_sadb_prop __P((struct sadb_ext *));
67static void kdebug_sadb_identity __P((struct sadb_ext *));
68static void kdebug_sadb_supported __P((struct sadb_ext *));
69static void kdebug_sadb_lifetime __P((struct sadb_ext *));
70static void kdebug_sadb_sa __P((struct sadb_ext *));
71static void kdebug_sadb_address __P((struct sadb_ext *));
72static void kdebug_sadb_key __P((struct sadb_ext *));
73static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
74
75#ifdef _KERNEL
76static void kdebug_secreplay __P((struct secreplay *));
77#endif
78
79#ifndef _KERNEL
80#define panic(fmt, ...)	{ printf(fmt, ## __VA_ARGS__); exit(-1); }
81#endif
82
83/* NOTE: host byte order */
84
85/* %%%: about struct sadb_msg */
86void
87kdebug_sadb(base)
88	struct sadb_msg *base;
89{
90	struct sadb_ext *ext;
91	int tlen, extlen;
92
93	/* sanity check */
94	if (base == NULL)
95		panic("%s: NULL pointer was passed.\n", __func__);
96
97	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
98	    base->sadb_msg_version, base->sadb_msg_type,
99	    base->sadb_msg_errno, base->sadb_msg_satype);
100	printf("  len=%u reserved=%u seq=%u pid=%u\n",
101	    base->sadb_msg_len, base->sadb_msg_reserved,
102	    base->sadb_msg_seq, base->sadb_msg_pid);
103
104	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
105	ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
106
107	while (tlen > 0) {
108		printf("sadb_ext{ len=%u type=%u }\n",
109		    ext->sadb_ext_len, ext->sadb_ext_type);
110
111		if (ext->sadb_ext_len == 0) {
112			printf("%s: invalid ext_len=0 was passed.\n", __func__);
113			return;
114		}
115		if (ext->sadb_ext_len > tlen) {
116			printf("%s: ext_len too big (%u > %u).\n",
117				__func__, ext->sadb_ext_len, tlen);
118			return;
119		}
120
121		switch (ext->sadb_ext_type) {
122		case SADB_EXT_SA:
123			kdebug_sadb_sa(ext);
124			break;
125		case SADB_EXT_LIFETIME_CURRENT:
126		case SADB_EXT_LIFETIME_HARD:
127		case SADB_EXT_LIFETIME_SOFT:
128			kdebug_sadb_lifetime(ext);
129			break;
130		case SADB_EXT_ADDRESS_SRC:
131		case SADB_EXT_ADDRESS_DST:
132		case SADB_EXT_ADDRESS_PROXY:
133			kdebug_sadb_address(ext);
134			break;
135		case SADB_EXT_KEY_AUTH:
136		case SADB_EXT_KEY_ENCRYPT:
137			kdebug_sadb_key(ext);
138			break;
139		case SADB_EXT_IDENTITY_SRC:
140		case SADB_EXT_IDENTITY_DST:
141			kdebug_sadb_identity(ext);
142			break;
143		case SADB_EXT_SENSITIVITY:
144			break;
145		case SADB_EXT_PROPOSAL:
146			kdebug_sadb_prop(ext);
147			break;
148		case SADB_EXT_SUPPORTED_AUTH:
149		case SADB_EXT_SUPPORTED_ENCRYPT:
150			kdebug_sadb_supported(ext);
151			break;
152		case SADB_EXT_SPIRANGE:
153		case SADB_X_EXT_KMPRIVATE:
154			break;
155		case SADB_X_EXT_POLICY:
156			kdebug_sadb_x_policy(ext);
157			break;
158		case SADB_X_EXT_SA2:
159			kdebug_sadb_x_sa2(ext);
160			break;
161		default:
162			printf("%s: invalid ext_type %u\n", __func__,
163			    ext->sadb_ext_type);
164			return;
165		}
166
167		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
168		tlen -= extlen;
169		ext = (struct sadb_ext *)((caddr_t)ext + extlen);
170	}
171
172	return;
173}
174
175static void
176kdebug_sadb_prop(ext)
177	struct sadb_ext *ext;
178{
179	struct sadb_prop *prop = (struct sadb_prop *)ext;
180	struct sadb_comb *comb;
181	int len;
182
183	/* sanity check */
184	if (ext == NULL)
185		panic("%s: NULL pointer was passed.\n", __func__);
186
187	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
188		/ sizeof(*comb);
189	comb = (struct sadb_comb *)(prop + 1);
190	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
191
192	while (len--) {
193		printf("sadb_comb{ auth=%u encrypt=%u "
194			"flags=0x%04x reserved=0x%08x\n",
195			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
196			comb->sadb_comb_flags, comb->sadb_comb_reserved);
197
198		printf("  auth_minbits=%u auth_maxbits=%u "
199			"encrypt_minbits=%u encrypt_maxbits=%u\n",
200			comb->sadb_comb_auth_minbits,
201			comb->sadb_comb_auth_maxbits,
202			comb->sadb_comb_encrypt_minbits,
203			comb->sadb_comb_encrypt_maxbits);
204
205		printf("  soft_alloc=%u hard_alloc=%u "
206			"soft_bytes=%lu hard_bytes=%lu\n",
207			comb->sadb_comb_soft_allocations,
208			comb->sadb_comb_hard_allocations,
209			(unsigned long)comb->sadb_comb_soft_bytes,
210			(unsigned long)comb->sadb_comb_hard_bytes);
211
212		printf("  soft_alloc=%lu hard_alloc=%lu "
213			"soft_bytes=%lu hard_bytes=%lu }\n",
214			(unsigned long)comb->sadb_comb_soft_addtime,
215			(unsigned long)comb->sadb_comb_hard_addtime,
216			(unsigned long)comb->sadb_comb_soft_usetime,
217			(unsigned long)comb->sadb_comb_hard_usetime);
218		comb++;
219	}
220	printf("}\n");
221
222	return;
223}
224
225static void
226kdebug_sadb_identity(ext)
227	struct sadb_ext *ext;
228{
229	struct sadb_ident *id = (struct sadb_ident *)ext;
230	int len;
231
232	/* sanity check */
233	if (ext == NULL)
234		panic("%s: NULL pointer was passed.\n", __func__);
235
236	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
237	printf("sadb_ident_%s{",
238	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
239	switch (id->sadb_ident_type) {
240	default:
241		printf(" type=%d id=%lu",
242			id->sadb_ident_type, (u_long)id->sadb_ident_id);
243		if (len) {
244#ifdef _KERNEL
245			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
246#else
247			char *p, *ep;
248			printf("\n  str=\"");
249			p = (char *)(id + 1);
250			ep = p + len;
251			for (/*nothing*/; *p && p < ep; p++) {
252				if (isprint(*p))
253					printf("%c", *p & 0xff);
254				else
255					printf("\\%03o", *p & 0xff);
256			}
257#endif
258			printf("\"");
259		}
260		break;
261	}
262
263	printf(" }\n");
264
265	return;
266}
267
268static void
269kdebug_sadb_supported(ext)
270	struct sadb_ext *ext;
271{
272	struct sadb_supported *sup = (struct sadb_supported *)ext;
273	struct sadb_alg *alg;
274	int len;
275
276	/* sanity check */
277	if (ext == NULL)
278		panic("%s: NULL pointer was passed.\n", __func__);
279
280	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
281		/ sizeof(*alg);
282	alg = (struct sadb_alg *)(sup + 1);
283	printf("sadb_sup{\n");
284	while (len--) {
285		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
286			alg->sadb_alg_id, alg->sadb_alg_ivlen,
287			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
288		alg++;
289	}
290	printf("}\n");
291
292	return;
293}
294
295static void
296kdebug_sadb_lifetime(ext)
297	struct sadb_ext *ext;
298{
299	struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
300
301	/* sanity check */
302	if (ext == NULL)
303		panic("%s: NULL pointer was passed.\n", __func__);
304
305	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
306		lft->sadb_lifetime_allocations,
307		(u_int32_t)lft->sadb_lifetime_bytes);
308	printf("  addtime=%u, usetime=%u }\n",
309		(u_int32_t)lft->sadb_lifetime_addtime,
310		(u_int32_t)lft->sadb_lifetime_usetime);
311
312	return;
313}
314
315static void
316kdebug_sadb_sa(ext)
317	struct sadb_ext *ext;
318{
319	struct sadb_sa *sa = (struct sadb_sa *)ext;
320
321	/* sanity check */
322	if (ext == NULL)
323		panic("%s: NULL pointer was passed.\n", __func__);
324
325	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
326	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
327	    sa->sadb_sa_state);
328	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
329	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
330
331	return;
332}
333
334static void
335kdebug_sadb_address(ext)
336	struct sadb_ext *ext;
337{
338	struct sadb_address *addr = (struct sadb_address *)ext;
339
340	/* sanity check */
341	if (ext == NULL)
342		panic("%s: NULL pointer was passed.\n", __func__);
343
344	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
345	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
346	    ((u_char *)&addr->sadb_address_reserved)[0],
347	    ((u_char *)&addr->sadb_address_reserved)[1]);
348
349	kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
350
351	return;
352}
353
354static void
355kdebug_sadb_key(ext)
356	struct sadb_ext *ext;
357{
358	struct sadb_key *key = (struct sadb_key *)ext;
359
360	/* sanity check */
361	if (ext == NULL)
362		panic("%s: NULL pointer was passed.\n", __func__);
363
364	printf("sadb_key{ bits=%u reserved=%u\n",
365	    key->sadb_key_bits, key->sadb_key_reserved);
366	printf("  key=");
367
368	/* sanity check 2 */
369	if ((key->sadb_key_bits >> 3) >
370		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
371		printf("%s: key length mismatch, bit:%d len:%ld.\n",
372			__func__,
373			key->sadb_key_bits >> 3,
374			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
375	}
376
377	ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
378	              key->sadb_key_bits >> 3);
379	printf(" }\n");
380	return;
381}
382
383static void
384kdebug_sadb_x_sa2(ext)
385	struct sadb_ext *ext;
386{
387	struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
388
389	/* sanity check */
390	if (ext == NULL)
391		panic("%s: NULL pointer was passed.\n", __func__);
392
393	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
394	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
395	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
396	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
397	    sa2->sadb_x_sa2_sequence);
398
399	return;
400}
401
402void
403kdebug_sadb_x_policy(ext)
404	struct sadb_ext *ext;
405{
406	struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
407	struct sockaddr *addr;
408
409	/* sanity check */
410	if (ext == NULL)
411		panic("%s: NULL pointer was passed.\n", __func__);
412
413	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
414		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
415		xpl->sadb_x_policy_id);
416
417	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
418		int tlen;
419		struct sadb_x_ipsecrequest *xisr;
420
421		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
422		xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
423
424		while (tlen > 0) {
425			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
426				xisr->sadb_x_ipsecrequest_len,
427				xisr->sadb_x_ipsecrequest_proto,
428				xisr->sadb_x_ipsecrequest_mode,
429				xisr->sadb_x_ipsecrequest_level,
430				xisr->sadb_x_ipsecrequest_reqid);
431
432			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
433				addr = (struct sockaddr *)(xisr + 1);
434				kdebug_sockaddr(addr);
435				addr = (struct sockaddr *)((caddr_t)addr
436							+ addr->sa_len);
437				kdebug_sockaddr(addr);
438			}
439
440			printf(" }\n");
441
442			/* prevent infinite loop */
443			if (xisr->sadb_x_ipsecrequest_len <= 0) {
444				printf("%s: wrong policy struct.\n", __func__);
445				return;
446			}
447			/* prevent overflow */
448			if (xisr->sadb_x_ipsecrequest_len > tlen) {
449				printf("%s: invalid ipsec policy length "
450					"(%u > %u)\n", __func__,
451					xisr->sadb_x_ipsecrequest_len, tlen);
452				return;
453			}
454
455			tlen -= xisr->sadb_x_ipsecrequest_len;
456
457			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
458			                + xisr->sadb_x_ipsecrequest_len);
459		}
460
461		if (tlen != 0)
462			panic("%s: wrong policy struct.\n", __func__);
463	}
464
465	return;
466}
467
468#ifdef _KERNEL
469/* %%%: about SPD and SAD */
470void
471kdebug_secpolicy(sp)
472	struct secpolicy *sp;
473{
474	/* sanity check */
475	if (sp == NULL)
476		panic("%s: NULL pointer was passed.\n", __func__);
477
478	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
479		sp->refcnt, sp->state, sp->policy);
480
481	kdebug_secpolicyindex(&sp->spidx);
482
483	switch (sp->policy) {
484	case IPSEC_POLICY_DISCARD:
485		printf("  type=discard }\n");
486		break;
487	case IPSEC_POLICY_NONE:
488		printf("  type=none }\n");
489		break;
490	case IPSEC_POLICY_IPSEC:
491	    {
492		struct ipsecrequest *isr;
493		for (isr = sp->req; isr != NULL; isr = isr->next) {
494
495			printf("  level=%u\n", isr->level);
496			kdebug_secasindex(&isr->saidx);
497
498			if (isr->sav != NULL)
499				kdebug_secasv(isr->sav);
500		}
501		printf("  }\n");
502	    }
503		break;
504	case IPSEC_POLICY_BYPASS:
505		printf("  type=bypass }\n");
506		break;
507	case IPSEC_POLICY_ENTRUST:
508		printf("  type=entrust }\n");
509		break;
510	default:
511		printf("%s: Invalid policy found. %d\n", __func__, sp->policy);
512		break;
513	}
514
515	return;
516}
517
518void
519kdebug_secpolicyindex(spidx)
520	struct secpolicyindex *spidx;
521{
522	/* sanity check */
523	if (spidx == NULL)
524		panic("%s: NULL pointer was passed.\n", __func__);
525
526	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
527		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
528
529	ipsec_hexdump((caddr_t)&spidx->src,
530		((struct sockaddr *)&spidx->src)->sa_len);
531	printf("\n");
532	ipsec_hexdump((caddr_t)&spidx->dst,
533		((struct sockaddr *)&spidx->dst)->sa_len);
534	printf("}\n");
535
536	return;
537}
538
539void
540kdebug_secasindex(saidx)
541	struct secasindex *saidx;
542{
543	/* sanity check */
544	if (saidx == NULL)
545		panic("%s: NULL pointer was passed.\n", __func__);
546
547	printf("secasindex{ mode=%u proto=%u\n",
548		saidx->mode, saidx->proto);
549
550	ipsec_hexdump((caddr_t)&saidx->src,
551		((struct sockaddr *)&saidx->src)->sa_len);
552	printf("\n");
553	ipsec_hexdump((caddr_t)&saidx->dst,
554		((struct sockaddr *)&saidx->dst)->sa_len);
555	printf("\n");
556
557	return;
558}
559
560static void
561kdebug_sec_lifetime(struct seclifetime *lft)
562{
563	/* sanity check */
564	if (lft == NULL)
565		panic("%s: NULL pointer was passed.\n", __func__);
566
567	printf("sec_lifetime{ alloc=%u, bytes=%u\n",
568		lft->allocations, (u_int32_t)lft->bytes);
569	printf("  addtime=%u, usetime=%u }\n",
570		(u_int32_t)lft->addtime, (u_int32_t)lft->usetime);
571
572	return;
573}
574
575void
576kdebug_secasv(sav)
577	struct secasvar *sav;
578{
579	/* sanity check */
580	if (sav == NULL)
581		panic("%s: NULL pointer was passed.\n", __func__);
582
583	printf("secas{");
584	kdebug_secasindex(&sav->sah->saidx);
585
586	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
587	    sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
588	printf("  spi=%u flags=%u\n",
589	    (u_int32_t)ntohl(sav->spi), sav->flags);
590
591	if (sav->key_auth != NULL)
592		kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
593	if (sav->key_enc != NULL)
594		kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
595	if (sav->iv != NULL) {
596		printf("  iv=");
597		ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
598		printf("\n");
599	}
600
601	if (sav->replay != NULL)
602		kdebug_secreplay(sav->replay);
603	if (sav->lft_c != NULL)
604		kdebug_sec_lifetime(sav->lft_c);
605	if (sav->lft_h != NULL)
606		kdebug_sec_lifetime(sav->lft_h);
607	if (sav->lft_s != NULL)
608		kdebug_sec_lifetime(sav->lft_s);
609
610#ifdef notyet
611	/* XXX: misc[123] ? */
612#endif
613
614	return;
615}
616
617static void
618kdebug_secreplay(rpl)
619	struct secreplay *rpl;
620{
621	int len, l;
622
623	/* sanity check */
624	if (rpl == NULL)
625		panic("%s: NULL pointer was passed.\n", __func__);
626
627	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
628	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
629
630	if (rpl->bitmap == NULL) {
631		printf(" }\n");
632		return;
633	}
634
635	printf("\n   bitmap { ");
636
637	for (len = 0; len < rpl->wsize; len++) {
638		for (l = 7; l >= 0; l--)
639			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
640	}
641	printf(" }\n");
642
643	return;
644}
645
646void
647kdebug_mbufhdr(m)
648	struct mbuf *m;
649{
650	/* sanity check */
651	if (m == NULL)
652		return;
653
654	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
655	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
656		m, m->m_next, m->m_nextpkt, m->m_data,
657		m->m_len, m->m_type, m->m_flags);
658
659	if (m->m_flags & M_PKTHDR) {
660		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
661		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
662	}
663
664	if (m->m_flags & M_EXT) {
665		printf("  m_ext{ ext_buf:%p ext_free:%p "
666		       "ext_size:%u ref_cnt:%p }\n",
667			m->m_ext.ext_buf, m->m_ext.ext_free,
668			m->m_ext.ext_size, m->m_ext.ref_cnt);
669	}
670
671	return;
672}
673
674void
675kdebug_mbuf(m0)
676	struct mbuf *m0;
677{
678	struct mbuf *m = m0;
679	int i, j;
680
681	for (j = 0; m; m = m->m_next) {
682		kdebug_mbufhdr(m);
683		printf("  m_data:\n");
684		for (i = 0; i < m->m_len; i++) {
685			if (i && i % 32 == 0)
686				printf("\n");
687			if (i % 4 == 0)
688				printf(" ");
689			printf("%02x", mtod(m, u_char *)[i]);
690			j++;
691		}
692		printf("\n");
693	}
694
695	return;
696}
697#endif /* _KERNEL */
698
699void
700kdebug_sockaddr(addr)
701	struct sockaddr *addr;
702{
703	struct sockaddr_in *sin4;
704#ifdef INET6
705	struct sockaddr_in6 *sin6;
706#endif
707
708	/* sanity check */
709	if (addr == NULL)
710		panic("%s: NULL pointer was passed.\n", __func__);
711
712	/* NOTE: We deal with port number as host byte order. */
713	printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
714
715	switch (addr->sa_family) {
716	case AF_INET:
717		sin4 = (struct sockaddr_in *)addr;
718		printf(" port=%u\n", ntohs(sin4->sin_port));
719		ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
720		break;
721#ifdef INET6
722	case AF_INET6:
723		sin6 = (struct sockaddr_in6 *)addr;
724		printf(" port=%u\n", ntohs(sin6->sin6_port));
725		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
726		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
727		ipsec_hexdump((caddr_t)&sin6->sin6_addr,
728		    sizeof(sin6->sin6_addr));
729		break;
730#endif
731	}
732
733	printf("  }\n");
734
735	return;
736}
737
738void
739ipsec_bindump(buf, len)
740	caddr_t buf;
741	int len;
742{
743	int i;
744
745	for (i = 0; i < len; i++)
746		printf("%c", (unsigned char)buf[i]);
747
748	return;
749}
750
751
752void
753ipsec_hexdump(buf, len)
754	caddr_t buf;
755	int len;
756{
757	int i;
758
759	for (i = 0; i < len; i++) {
760		if (i != 0 && i % 32 == 0) printf("\n");
761		if (i % 4 == 0) printf(" ");
762		printf("%02x", (unsigned char)buf[i]);
763	}
764#if 0
765	if (i % 32 != 0) printf("\n");
766#endif
767
768	return;
769}
770