xref: /freebsd/sys/netipsec/key_debug.c (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
1 /*	$FreeBSD$	*/
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 
50 #include <netipsec/key_var.h>
51 #include <netipsec/key_debug.h>
52 
53 #include <netinet/in.h>
54 #include <netipsec/ipsec.h>
55 
56 #ifndef _KERNEL
57 #include <ctype.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #endif /* !_KERNEL */
61 
62 static void kdebug_sadb_prop __P((struct sadb_ext *));
63 static void kdebug_sadb_identity __P((struct sadb_ext *));
64 static void kdebug_sadb_supported __P((struct sadb_ext *));
65 static void kdebug_sadb_lifetime __P((struct sadb_ext *));
66 static void kdebug_sadb_sa __P((struct sadb_ext *));
67 static void kdebug_sadb_address __P((struct sadb_ext *));
68 static void kdebug_sadb_key __P((struct sadb_ext *));
69 static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
70 
71 #ifdef _KERNEL
72 static void kdebug_secreplay __P((struct secreplay *));
73 #endif
74 
75 #ifndef _KERNEL
76 #define panic(param)	{ printf(param); exit(-1); }
77 #endif
78 
79 /* NOTE: host byte order */
80 
81 /* %%%: about struct sadb_msg */
82 void
83 kdebug_sadb(base)
84 	struct sadb_msg *base;
85 {
86 	struct sadb_ext *ext;
87 	int tlen, extlen;
88 
89 	/* sanity check */
90 	if (base == NULL)
91 		panic("%s: NULL pointer was passed.\n", __func__);
92 
93 	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
94 	    base->sadb_msg_version, base->sadb_msg_type,
95 	    base->sadb_msg_errno, base->sadb_msg_satype);
96 	printf("  len=%u reserved=%u seq=%u pid=%u\n",
97 	    base->sadb_msg_len, base->sadb_msg_reserved,
98 	    base->sadb_msg_seq, base->sadb_msg_pid);
99 
100 	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
101 	ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
102 
103 	while (tlen > 0) {
104 		printf("sadb_ext{ len=%u type=%u }\n",
105 		    ext->sadb_ext_len, ext->sadb_ext_type);
106 
107 		if (ext->sadb_ext_len == 0) {
108 			printf("%s: invalid ext_len=0 was passed.\n", __func__);
109 			return;
110 		}
111 		if (ext->sadb_ext_len > tlen) {
112 			printf("%s: ext_len too big (%u > %u).\n",
113 				__func__, ext->sadb_ext_len, tlen);
114 			return;
115 		}
116 
117 		switch (ext->sadb_ext_type) {
118 		case SADB_EXT_SA:
119 			kdebug_sadb_sa(ext);
120 			break;
121 		case SADB_EXT_LIFETIME_CURRENT:
122 		case SADB_EXT_LIFETIME_HARD:
123 		case SADB_EXT_LIFETIME_SOFT:
124 			kdebug_sadb_lifetime(ext);
125 			break;
126 		case SADB_EXT_ADDRESS_SRC:
127 		case SADB_EXT_ADDRESS_DST:
128 		case SADB_EXT_ADDRESS_PROXY:
129 			kdebug_sadb_address(ext);
130 			break;
131 		case SADB_EXT_KEY_AUTH:
132 		case SADB_EXT_KEY_ENCRYPT:
133 			kdebug_sadb_key(ext);
134 			break;
135 		case SADB_EXT_IDENTITY_SRC:
136 		case SADB_EXT_IDENTITY_DST:
137 			kdebug_sadb_identity(ext);
138 			break;
139 		case SADB_EXT_SENSITIVITY:
140 			break;
141 		case SADB_EXT_PROPOSAL:
142 			kdebug_sadb_prop(ext);
143 			break;
144 		case SADB_EXT_SUPPORTED_AUTH:
145 		case SADB_EXT_SUPPORTED_ENCRYPT:
146 			kdebug_sadb_supported(ext);
147 			break;
148 		case SADB_EXT_SPIRANGE:
149 		case SADB_X_EXT_KMPRIVATE:
150 			break;
151 		case SADB_X_EXT_POLICY:
152 			kdebug_sadb_x_policy(ext);
153 			break;
154 		case SADB_X_EXT_SA2:
155 			kdebug_sadb_x_sa2(ext);
156 			break;
157 		default:
158 			printf("%s: invalid ext_type %u\n", __func__,
159 			    ext->sadb_ext_type);
160 			return;
161 		}
162 
163 		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
164 		tlen -= extlen;
165 		ext = (struct sadb_ext *)((caddr_t)ext + extlen);
166 	}
167 
168 	return;
169 }
170 
171 static void
172 kdebug_sadb_prop(ext)
173 	struct sadb_ext *ext;
174 {
175 	struct sadb_prop *prop = (struct sadb_prop *)ext;
176 	struct sadb_comb *comb;
177 	int len;
178 
179 	/* sanity check */
180 	if (ext == NULL)
181 		panic("%s: NULL pointer was passed.\n", __func__);
182 
183 	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
184 		/ sizeof(*comb);
185 	comb = (struct sadb_comb *)(prop + 1);
186 	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
187 
188 	while (len--) {
189 		printf("sadb_comb{ auth=%u encrypt=%u "
190 			"flags=0x%04x reserved=0x%08x\n",
191 			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
192 			comb->sadb_comb_flags, comb->sadb_comb_reserved);
193 
194 		printf("  auth_minbits=%u auth_maxbits=%u "
195 			"encrypt_minbits=%u encrypt_maxbits=%u\n",
196 			comb->sadb_comb_auth_minbits,
197 			comb->sadb_comb_auth_maxbits,
198 			comb->sadb_comb_encrypt_minbits,
199 			comb->sadb_comb_encrypt_maxbits);
200 
201 		printf("  soft_alloc=%u hard_alloc=%u "
202 			"soft_bytes=%lu hard_bytes=%lu\n",
203 			comb->sadb_comb_soft_allocations,
204 			comb->sadb_comb_hard_allocations,
205 			(unsigned long)comb->sadb_comb_soft_bytes,
206 			(unsigned long)comb->sadb_comb_hard_bytes);
207 
208 		printf("  soft_alloc=%lu hard_alloc=%lu "
209 			"soft_bytes=%lu hard_bytes=%lu }\n",
210 			(unsigned long)comb->sadb_comb_soft_addtime,
211 			(unsigned long)comb->sadb_comb_hard_addtime,
212 			(unsigned long)comb->sadb_comb_soft_usetime,
213 			(unsigned long)comb->sadb_comb_hard_usetime);
214 		comb++;
215 	}
216 	printf("}\n");
217 
218 	return;
219 }
220 
221 static void
222 kdebug_sadb_identity(ext)
223 	struct sadb_ext *ext;
224 {
225 	struct sadb_ident *id = (struct sadb_ident *)ext;
226 	int len;
227 
228 	/* sanity check */
229 	if (ext == NULL)
230 		panic("%s: NULL pointer was passed.\n", __func__);
231 
232 	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
233 	printf("sadb_ident_%s{",
234 	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
235 	switch (id->sadb_ident_type) {
236 	default:
237 		printf(" type=%d id=%lu",
238 			id->sadb_ident_type, (u_long)id->sadb_ident_id);
239 		if (len) {
240 #ifdef _KERNEL
241 			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
242 #else
243 			char *p, *ep;
244 			printf("\n  str=\"");
245 			p = (char *)(id + 1);
246 			ep = p + len;
247 			for (/*nothing*/; *p && p < ep; p++) {
248 				if (isprint(*p))
249 					printf("%c", *p & 0xff);
250 				else
251 					printf("\\%03o", *p & 0xff);
252 			}
253 #endif
254 			printf("\"");
255 		}
256 		break;
257 	}
258 
259 	printf(" }\n");
260 
261 	return;
262 }
263 
264 static void
265 kdebug_sadb_supported(ext)
266 	struct sadb_ext *ext;
267 {
268 	struct sadb_supported *sup = (struct sadb_supported *)ext;
269 	struct sadb_alg *alg;
270 	int len;
271 
272 	/* sanity check */
273 	if (ext == NULL)
274 		panic("%s: NULL pointer was passed.\n", __func__);
275 
276 	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
277 		/ sizeof(*alg);
278 	alg = (struct sadb_alg *)(sup + 1);
279 	printf("sadb_sup{\n");
280 	while (len--) {
281 		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
282 			alg->sadb_alg_id, alg->sadb_alg_ivlen,
283 			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
284 		alg++;
285 	}
286 	printf("}\n");
287 
288 	return;
289 }
290 
291 static void
292 kdebug_sadb_lifetime(ext)
293 	struct sadb_ext *ext;
294 {
295 	struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
296 
297 	/* sanity check */
298 	if (ext == NULL)
299 		printf("%s: NULL pointer was passed.\n", __func__);
300 
301 	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
302 		lft->sadb_lifetime_allocations,
303 		(u_int32_t)lft->sadb_lifetime_bytes);
304 	printf("  addtime=%u, usetime=%u }\n",
305 		(u_int32_t)lft->sadb_lifetime_addtime,
306 		(u_int32_t)lft->sadb_lifetime_usetime);
307 
308 	return;
309 }
310 
311 static void
312 kdebug_sadb_sa(ext)
313 	struct sadb_ext *ext;
314 {
315 	struct sadb_sa *sa = (struct sadb_sa *)ext;
316 
317 	/* sanity check */
318 	if (ext == NULL)
319 		panic("%s: NULL pointer was passed.\n", __func__);
320 
321 	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
322 	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
323 	    sa->sadb_sa_state);
324 	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
325 	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
326 
327 	return;
328 }
329 
330 static void
331 kdebug_sadb_address(ext)
332 	struct sadb_ext *ext;
333 {
334 	struct sadb_address *addr = (struct sadb_address *)ext;
335 
336 	/* sanity check */
337 	if (ext == NULL)
338 		panic("%s: NULL pointer was passed.\n", __func__);
339 
340 	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
341 	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
342 	    ((u_char *)&addr->sadb_address_reserved)[0],
343 	    ((u_char *)&addr->sadb_address_reserved)[1]);
344 
345 	kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
346 
347 	return;
348 }
349 
350 static void
351 kdebug_sadb_key(ext)
352 	struct sadb_ext *ext;
353 {
354 	struct sadb_key *key = (struct sadb_key *)ext;
355 
356 	/* sanity check */
357 	if (ext == NULL)
358 		panic("%s: NULL pointer was passed.\n", __func__);
359 
360 	printf("sadb_key{ bits=%u reserved=%u\n",
361 	    key->sadb_key_bits, key->sadb_key_reserved);
362 	printf("  key=");
363 
364 	/* sanity check 2 */
365 	if ((key->sadb_key_bits >> 3) >
366 		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
367 		printf("%s: key length mismatch, bit:%d len:%ld.\n",
368 			__func__,
369 			key->sadb_key_bits >> 3,
370 			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
371 	}
372 
373 	ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
374 	              key->sadb_key_bits >> 3);
375 	printf(" }\n");
376 	return;
377 }
378 
379 static void
380 kdebug_sadb_x_sa2(ext)
381 	struct sadb_ext *ext;
382 {
383 	struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
384 
385 	/* sanity check */
386 	if (ext == NULL)
387 		panic("%s: NULL pointer was passed.\n", __func__);
388 
389 	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
390 	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
391 	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
392 	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
393 	    sa2->sadb_x_sa2_sequence);
394 
395 	return;
396 }
397 
398 void
399 kdebug_sadb_x_policy(ext)
400 	struct sadb_ext *ext;
401 {
402 	struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
403 	struct sockaddr *addr;
404 
405 	/* sanity check */
406 	if (ext == NULL)
407 		panic("%s: NULL pointer was passed.\n", __func__);
408 
409 	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
410 		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
411 		xpl->sadb_x_policy_id);
412 
413 	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
414 		int tlen;
415 		struct sadb_x_ipsecrequest *xisr;
416 
417 		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
418 		xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
419 
420 		while (tlen > 0) {
421 			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
422 				xisr->sadb_x_ipsecrequest_len,
423 				xisr->sadb_x_ipsecrequest_proto,
424 				xisr->sadb_x_ipsecrequest_mode,
425 				xisr->sadb_x_ipsecrequest_level,
426 				xisr->sadb_x_ipsecrequest_reqid);
427 
428 			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
429 				addr = (struct sockaddr *)(xisr + 1);
430 				kdebug_sockaddr(addr);
431 				addr = (struct sockaddr *)((caddr_t)addr
432 							+ addr->sa_len);
433 				kdebug_sockaddr(addr);
434 			}
435 
436 			printf(" }\n");
437 
438 			/* prevent infinite loop */
439 			if (xisr->sadb_x_ipsecrequest_len <= 0) {
440 				printf("%s: wrong policy struct.\n", __func__);
441 				return;
442 			}
443 			/* prevent overflow */
444 			if (xisr->sadb_x_ipsecrequest_len > tlen) {
445 				printf("%s: invalid ipsec policy length "
446 					"(%u > %u)\n", __func__,
447 					xisr->sadb_x_ipsecrequest_len, tlen);
448 				return;
449 			}
450 
451 			tlen -= xisr->sadb_x_ipsecrequest_len;
452 
453 			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
454 			                + xisr->sadb_x_ipsecrequest_len);
455 		}
456 
457 		if (tlen != 0)
458 			panic("%s: wrong policy struct.\n", __func__);
459 	}
460 
461 	return;
462 }
463 
464 #ifdef _KERNEL
465 /* %%%: about SPD and SAD */
466 void
467 kdebug_secpolicy(sp)
468 	struct secpolicy *sp;
469 {
470 	/* sanity check */
471 	if (sp == NULL)
472 		panic("%s: NULL pointer was passed.\n", __func__);
473 
474 	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
475 		sp->refcnt, sp->state, sp->policy);
476 
477 	kdebug_secpolicyindex(&sp->spidx);
478 
479 	switch (sp->policy) {
480 	case IPSEC_POLICY_DISCARD:
481 		printf("  type=discard }\n");
482 		break;
483 	case IPSEC_POLICY_NONE:
484 		printf("  type=none }\n");
485 		break;
486 	case IPSEC_POLICY_IPSEC:
487 	    {
488 		struct ipsecrequest *isr;
489 		for (isr = sp->req; isr != NULL; isr = isr->next) {
490 
491 			printf("  level=%u\n", isr->level);
492 			kdebug_secasindex(&isr->saidx);
493 
494 			if (isr->sav != NULL)
495 				kdebug_secasv(isr->sav);
496 		}
497 		printf("  }\n");
498 	    }
499 		break;
500 	case IPSEC_POLICY_BYPASS:
501 		printf("  type=bypass }\n");
502 		break;
503 	case IPSEC_POLICY_ENTRUST:
504 		printf("  type=entrust }\n");
505 		break;
506 	default:
507 		printf("%s: Invalid policy found. %d\n", __func__, sp->policy);
508 		break;
509 	}
510 
511 	return;
512 }
513 
514 void
515 kdebug_secpolicyindex(spidx)
516 	struct secpolicyindex *spidx;
517 {
518 	/* sanity check */
519 	if (spidx == NULL)
520 		panic("%s: NULL pointer was passed.\n", __func__);
521 
522 	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
523 		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
524 
525 	ipsec_hexdump((caddr_t)&spidx->src,
526 		((struct sockaddr *)&spidx->src)->sa_len);
527 	printf("\n");
528 	ipsec_hexdump((caddr_t)&spidx->dst,
529 		((struct sockaddr *)&spidx->dst)->sa_len);
530 	printf("}\n");
531 
532 	return;
533 }
534 
535 void
536 kdebug_secasindex(saidx)
537 	struct secasindex *saidx;
538 {
539 	/* sanity check */
540 	if (saidx == NULL)
541 		panic("%s: NULL pointer was passed.\n", __func__);
542 
543 	printf("secasindex{ mode=%u proto=%u\n",
544 		saidx->mode, saidx->proto);
545 
546 	ipsec_hexdump((caddr_t)&saidx->src,
547 		((struct sockaddr *)&saidx->src)->sa_len);
548 	printf("\n");
549 	ipsec_hexdump((caddr_t)&saidx->dst,
550 		((struct sockaddr *)&saidx->dst)->sa_len);
551 	printf("\n");
552 
553 	return;
554 }
555 
556 void
557 kdebug_secasv(sav)
558 	struct secasvar *sav;
559 {
560 	/* sanity check */
561 	if (sav == NULL)
562 		panic("%s: NULL pointer was passed.\n", __func__);
563 
564 	printf("secas{");
565 	kdebug_secasindex(&sav->sah->saidx);
566 
567 	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
568 	    sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
569 	printf("  spi=%u flags=%u\n",
570 	    (u_int32_t)ntohl(sav->spi), sav->flags);
571 
572 	if (sav->key_auth != NULL)
573 		kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
574 	if (sav->key_enc != NULL)
575 		kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
576 	if (sav->iv != NULL) {
577 		printf("  iv=");
578 		ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
579 		printf("\n");
580 	}
581 
582 	if (sav->replay != NULL)
583 		kdebug_secreplay(sav->replay);
584 	if (sav->lft_c != NULL)
585 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
586 	if (sav->lft_h != NULL)
587 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
588 	if (sav->lft_s != NULL)
589 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
590 
591 #ifdef notyet
592 	/* XXX: misc[123] ? */
593 #endif
594 
595 	return;
596 }
597 
598 static void
599 kdebug_secreplay(rpl)
600 	struct secreplay *rpl;
601 {
602 	int len, l;
603 
604 	/* sanity check */
605 	if (rpl == NULL)
606 		panic("%s: NULL pointer was passed.\n", __func__);
607 
608 	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
609 	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
610 
611 	if (rpl->bitmap == NULL) {
612 		printf(" }\n");
613 		return;
614 	}
615 
616 	printf("\n   bitmap { ");
617 
618 	for (len = 0; len < rpl->wsize; len++) {
619 		for (l = 7; l >= 0; l--)
620 			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
621 	}
622 	printf(" }\n");
623 
624 	return;
625 }
626 
627 void
628 kdebug_mbufhdr(m)
629 	struct mbuf *m;
630 {
631 	/* sanity check */
632 	if (m == NULL)
633 		return;
634 
635 	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
636 	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
637 		m, m->m_next, m->m_nextpkt, m->m_data,
638 		m->m_len, m->m_type, m->m_flags);
639 
640 	if (m->m_flags & M_PKTHDR) {
641 		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
642 		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
643 	}
644 
645 	if (m->m_flags & M_EXT) {
646 		printf("  m_ext{ ext_buf:%p ext_free:%p "
647 		       "ext_size:%u ref_cnt:%p }\n",
648 			m->m_ext.ext_buf, m->m_ext.ext_free,
649 			m->m_ext.ext_size, m->m_ext.ref_cnt);
650 	}
651 
652 	return;
653 }
654 
655 void
656 kdebug_mbuf(m0)
657 	struct mbuf *m0;
658 {
659 	struct mbuf *m = m0;
660 	int i, j;
661 
662 	for (j = 0; m; m = m->m_next) {
663 		kdebug_mbufhdr(m);
664 		printf("  m_data:\n");
665 		for (i = 0; i < m->m_len; i++) {
666 			if (i && i % 32 == 0)
667 				printf("\n");
668 			if (i % 4 == 0)
669 				printf(" ");
670 			printf("%02x", mtod(m, u_char *)[i]);
671 			j++;
672 		}
673 		printf("\n");
674 	}
675 
676 	return;
677 }
678 #endif /* _KERNEL */
679 
680 void
681 kdebug_sockaddr(addr)
682 	struct sockaddr *addr;
683 {
684 	struct sockaddr_in *sin4;
685 #ifdef INET6
686 	struct sockaddr_in6 *sin6;
687 #endif
688 
689 	/* sanity check */
690 	if (addr == NULL)
691 		panic("%s: NULL pointer was passed.\n", __func__);
692 
693 	/* NOTE: We deal with port number as host byte order. */
694 	printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
695 
696 	switch (addr->sa_family) {
697 	case AF_INET:
698 		sin4 = (struct sockaddr_in *)addr;
699 		printf(" port=%u\n", ntohs(sin4->sin_port));
700 		ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
701 		break;
702 #ifdef INET6
703 	case AF_INET6:
704 		sin6 = (struct sockaddr_in6 *)addr;
705 		printf(" port=%u\n", ntohs(sin6->sin6_port));
706 		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
707 		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
708 		ipsec_hexdump((caddr_t)&sin6->sin6_addr,
709 		    sizeof(sin6->sin6_addr));
710 		break;
711 #endif
712 	}
713 
714 	printf("  }\n");
715 
716 	return;
717 }
718 
719 void
720 ipsec_bindump(buf, len)
721 	caddr_t buf;
722 	int len;
723 {
724 	int i;
725 
726 	for (i = 0; i < len; i++)
727 		printf("%c", (unsigned char)buf[i]);
728 
729 	return;
730 }
731 
732 
733 void
734 ipsec_hexdump(buf, len)
735 	caddr_t buf;
736 	int len;
737 {
738 	int i;
739 
740 	for (i = 0; i < len; i++) {
741 		if (i != 0 && i % 32 == 0) printf("\n");
742 		if (i % 4 == 0) printf(" ");
743 		printf("%02x", (unsigned char)buf[i]);
744 	}
745 #if 0
746 	if (i % 32 != 0) printf("\n");
747 #endif
748 
749 	return;
750 }
751