xref: /freebsd/sys/netipsec/key_debug.c (revision 7d0d268b8a67f28ccefdd0b8ce6fb38acac78d80)
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 #ifdef _KERNEL
56 #include <netipsec/keydb.h>
57 #endif
58 
59 #ifndef _KERNEL
60 #include <ctype.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #endif /* !_KERNEL */
64 
65 static void kdebug_sadb_prop __P((struct sadb_ext *));
66 static void kdebug_sadb_identity __P((struct sadb_ext *));
67 static void kdebug_sadb_supported __P((struct sadb_ext *));
68 static void kdebug_sadb_lifetime __P((struct sadb_ext *));
69 static void kdebug_sadb_sa __P((struct sadb_ext *));
70 static void kdebug_sadb_address __P((struct sadb_ext *));
71 static void kdebug_sadb_key __P((struct sadb_ext *));
72 static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
73 
74 #ifdef _KERNEL
75 static void kdebug_secreplay __P((struct secreplay *));
76 #endif
77 
78 #ifndef _KERNEL
79 #define panic(fmt, ...)	{ printf(fmt, ## __VA_ARGS__); exit(-1); }
80 #endif
81 
82 /* NOTE: host byte order */
83 
84 /* %%%: about struct sadb_msg */
85 void
86 kdebug_sadb(base)
87 	struct sadb_msg *base;
88 {
89 	struct sadb_ext *ext;
90 	int tlen, extlen;
91 
92 	/* sanity check */
93 	if (base == NULL)
94 		panic("%s: NULL pointer was passed.\n", __func__);
95 
96 	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
97 	    base->sadb_msg_version, base->sadb_msg_type,
98 	    base->sadb_msg_errno, base->sadb_msg_satype);
99 	printf("  len=%u reserved=%u seq=%u pid=%u\n",
100 	    base->sadb_msg_len, base->sadb_msg_reserved,
101 	    base->sadb_msg_seq, base->sadb_msg_pid);
102 
103 	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
104 	ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
105 
106 	while (tlen > 0) {
107 		printf("sadb_ext{ len=%u type=%u }\n",
108 		    ext->sadb_ext_len, ext->sadb_ext_type);
109 
110 		if (ext->sadb_ext_len == 0) {
111 			printf("%s: invalid ext_len=0 was passed.\n", __func__);
112 			return;
113 		}
114 		if (ext->sadb_ext_len > tlen) {
115 			printf("%s: ext_len too big (%u > %u).\n",
116 				__func__, ext->sadb_ext_len, tlen);
117 			return;
118 		}
119 
120 		switch (ext->sadb_ext_type) {
121 		case SADB_EXT_SA:
122 			kdebug_sadb_sa(ext);
123 			break;
124 		case SADB_EXT_LIFETIME_CURRENT:
125 		case SADB_EXT_LIFETIME_HARD:
126 		case SADB_EXT_LIFETIME_SOFT:
127 			kdebug_sadb_lifetime(ext);
128 			break;
129 		case SADB_EXT_ADDRESS_SRC:
130 		case SADB_EXT_ADDRESS_DST:
131 		case SADB_EXT_ADDRESS_PROXY:
132 			kdebug_sadb_address(ext);
133 			break;
134 		case SADB_EXT_KEY_AUTH:
135 		case SADB_EXT_KEY_ENCRYPT:
136 			kdebug_sadb_key(ext);
137 			break;
138 		case SADB_EXT_IDENTITY_SRC:
139 		case SADB_EXT_IDENTITY_DST:
140 			kdebug_sadb_identity(ext);
141 			break;
142 		case SADB_EXT_SENSITIVITY:
143 			break;
144 		case SADB_EXT_PROPOSAL:
145 			kdebug_sadb_prop(ext);
146 			break;
147 		case SADB_EXT_SUPPORTED_AUTH:
148 		case SADB_EXT_SUPPORTED_ENCRYPT:
149 			kdebug_sadb_supported(ext);
150 			break;
151 		case SADB_EXT_SPIRANGE:
152 		case SADB_X_EXT_KMPRIVATE:
153 			break;
154 		case SADB_X_EXT_POLICY:
155 			kdebug_sadb_x_policy(ext);
156 			break;
157 		case SADB_X_EXT_SA2:
158 			kdebug_sadb_x_sa2(ext);
159 			break;
160 		default:
161 			printf("%s: invalid ext_type %u\n", __func__,
162 			    ext->sadb_ext_type);
163 			return;
164 		}
165 
166 		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
167 		tlen -= extlen;
168 		ext = (struct sadb_ext *)((caddr_t)ext + extlen);
169 	}
170 
171 	return;
172 }
173 
174 static void
175 kdebug_sadb_prop(ext)
176 	struct sadb_ext *ext;
177 {
178 	struct sadb_prop *prop = (struct sadb_prop *)ext;
179 	struct sadb_comb *comb;
180 	int len;
181 
182 	/* sanity check */
183 	if (ext == NULL)
184 		panic("%s: NULL pointer was passed.\n", __func__);
185 
186 	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
187 		/ sizeof(*comb);
188 	comb = (struct sadb_comb *)(prop + 1);
189 	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
190 
191 	while (len--) {
192 		printf("sadb_comb{ auth=%u encrypt=%u "
193 			"flags=0x%04x reserved=0x%08x\n",
194 			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
195 			comb->sadb_comb_flags, comb->sadb_comb_reserved);
196 
197 		printf("  auth_minbits=%u auth_maxbits=%u "
198 			"encrypt_minbits=%u encrypt_maxbits=%u\n",
199 			comb->sadb_comb_auth_minbits,
200 			comb->sadb_comb_auth_maxbits,
201 			comb->sadb_comb_encrypt_minbits,
202 			comb->sadb_comb_encrypt_maxbits);
203 
204 		printf("  soft_alloc=%u hard_alloc=%u "
205 			"soft_bytes=%lu hard_bytes=%lu\n",
206 			comb->sadb_comb_soft_allocations,
207 			comb->sadb_comb_hard_allocations,
208 			(unsigned long)comb->sadb_comb_soft_bytes,
209 			(unsigned long)comb->sadb_comb_hard_bytes);
210 
211 		printf("  soft_alloc=%lu hard_alloc=%lu "
212 			"soft_bytes=%lu hard_bytes=%lu }\n",
213 			(unsigned long)comb->sadb_comb_soft_addtime,
214 			(unsigned long)comb->sadb_comb_hard_addtime,
215 			(unsigned long)comb->sadb_comb_soft_usetime,
216 			(unsigned long)comb->sadb_comb_hard_usetime);
217 		comb++;
218 	}
219 	printf("}\n");
220 
221 	return;
222 }
223 
224 static void
225 kdebug_sadb_identity(ext)
226 	struct sadb_ext *ext;
227 {
228 	struct sadb_ident *id = (struct sadb_ident *)ext;
229 	int len;
230 
231 	/* sanity check */
232 	if (ext == NULL)
233 		panic("%s: NULL pointer was passed.\n", __func__);
234 
235 	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
236 	printf("sadb_ident_%s{",
237 	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
238 	switch (id->sadb_ident_type) {
239 	default:
240 		printf(" type=%d id=%lu",
241 			id->sadb_ident_type, (u_long)id->sadb_ident_id);
242 		if (len) {
243 #ifdef _KERNEL
244 			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
245 #else
246 			char *p, *ep;
247 			printf("\n  str=\"");
248 			p = (char *)(id + 1);
249 			ep = p + len;
250 			for (/*nothing*/; *p && p < ep; p++) {
251 				if (isprint(*p))
252 					printf("%c", *p & 0xff);
253 				else
254 					printf("\\%03o", *p & 0xff);
255 			}
256 #endif
257 			printf("\"");
258 		}
259 		break;
260 	}
261 
262 	printf(" }\n");
263 
264 	return;
265 }
266 
267 static void
268 kdebug_sadb_supported(ext)
269 	struct sadb_ext *ext;
270 {
271 	struct sadb_supported *sup = (struct sadb_supported *)ext;
272 	struct sadb_alg *alg;
273 	int len;
274 
275 	/* sanity check */
276 	if (ext == NULL)
277 		panic("%s: NULL pointer was passed.\n", __func__);
278 
279 	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
280 		/ sizeof(*alg);
281 	alg = (struct sadb_alg *)(sup + 1);
282 	printf("sadb_sup{\n");
283 	while (len--) {
284 		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
285 			alg->sadb_alg_id, alg->sadb_alg_ivlen,
286 			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
287 		alg++;
288 	}
289 	printf("}\n");
290 
291 	return;
292 }
293 
294 static void
295 kdebug_sadb_lifetime(ext)
296 	struct sadb_ext *ext;
297 {
298 	struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
299 
300 	/* sanity check */
301 	if (ext == NULL)
302 		panic("%s: NULL pointer was passed.\n", __func__);
303 
304 	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
305 		lft->sadb_lifetime_allocations,
306 		(u_int32_t)lft->sadb_lifetime_bytes);
307 	printf("  addtime=%u, usetime=%u }\n",
308 		(u_int32_t)lft->sadb_lifetime_addtime,
309 		(u_int32_t)lft->sadb_lifetime_usetime);
310 
311 	return;
312 }
313 
314 static void
315 kdebug_sadb_sa(ext)
316 	struct sadb_ext *ext;
317 {
318 	struct sadb_sa *sa = (struct sadb_sa *)ext;
319 
320 	/* sanity check */
321 	if (ext == NULL)
322 		panic("%s: NULL pointer was passed.\n", __func__);
323 
324 	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
325 	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
326 	    sa->sadb_sa_state);
327 	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
328 	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
329 
330 	return;
331 }
332 
333 static void
334 kdebug_sadb_address(ext)
335 	struct sadb_ext *ext;
336 {
337 	struct sadb_address *addr = (struct sadb_address *)ext;
338 
339 	/* sanity check */
340 	if (ext == NULL)
341 		panic("%s: NULL pointer was passed.\n", __func__);
342 
343 	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
344 	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
345 	    ((u_char *)&addr->sadb_address_reserved)[0],
346 	    ((u_char *)&addr->sadb_address_reserved)[1]);
347 
348 	kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
349 
350 	return;
351 }
352 
353 static void
354 kdebug_sadb_key(ext)
355 	struct sadb_ext *ext;
356 {
357 	struct sadb_key *key = (struct sadb_key *)ext;
358 
359 	/* sanity check */
360 	if (ext == NULL)
361 		panic("%s: NULL pointer was passed.\n", __func__);
362 
363 	printf("sadb_key{ bits=%u reserved=%u\n",
364 	    key->sadb_key_bits, key->sadb_key_reserved);
365 	printf("  key=");
366 
367 	/* sanity check 2 */
368 	if ((key->sadb_key_bits >> 3) >
369 		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
370 		printf("%s: key length mismatch, bit:%d len:%ld.\n",
371 			__func__,
372 			key->sadb_key_bits >> 3,
373 			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
374 	}
375 
376 	ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
377 	              key->sadb_key_bits >> 3);
378 	printf(" }\n");
379 	return;
380 }
381 
382 static void
383 kdebug_sadb_x_sa2(ext)
384 	struct sadb_ext *ext;
385 {
386 	struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
387 
388 	/* sanity check */
389 	if (ext == NULL)
390 		panic("%s: NULL pointer was passed.\n", __func__);
391 
392 	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
393 	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
394 	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
395 	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
396 	    sa2->sadb_x_sa2_sequence);
397 
398 	return;
399 }
400 
401 void
402 kdebug_sadb_x_policy(ext)
403 	struct sadb_ext *ext;
404 {
405 	struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
406 	struct sockaddr *addr;
407 
408 	/* sanity check */
409 	if (ext == NULL)
410 		panic("%s: NULL pointer was passed.\n", __func__);
411 
412 	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
413 		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
414 		xpl->sadb_x_policy_id);
415 
416 	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
417 		int tlen;
418 		struct sadb_x_ipsecrequest *xisr;
419 
420 		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
421 		xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
422 
423 		while (tlen > 0) {
424 			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
425 				xisr->sadb_x_ipsecrequest_len,
426 				xisr->sadb_x_ipsecrequest_proto,
427 				xisr->sadb_x_ipsecrequest_mode,
428 				xisr->sadb_x_ipsecrequest_level,
429 				xisr->sadb_x_ipsecrequest_reqid);
430 
431 			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
432 				addr = (struct sockaddr *)(xisr + 1);
433 				kdebug_sockaddr(addr);
434 				addr = (struct sockaddr *)((caddr_t)addr
435 							+ addr->sa_len);
436 				kdebug_sockaddr(addr);
437 			}
438 
439 			printf(" }\n");
440 
441 			/* prevent infinite loop */
442 			if (xisr->sadb_x_ipsecrequest_len <= 0) {
443 				printf("%s: wrong policy struct.\n", __func__);
444 				return;
445 			}
446 			/* prevent overflow */
447 			if (xisr->sadb_x_ipsecrequest_len > tlen) {
448 				printf("%s: invalid ipsec policy length "
449 					"(%u > %u)\n", __func__,
450 					xisr->sadb_x_ipsecrequest_len, tlen);
451 				return;
452 			}
453 
454 			tlen -= xisr->sadb_x_ipsecrequest_len;
455 
456 			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
457 			                + xisr->sadb_x_ipsecrequest_len);
458 		}
459 
460 		if (tlen != 0)
461 			panic("%s: wrong policy struct.\n", __func__);
462 	}
463 
464 	return;
465 }
466 
467 #ifdef _KERNEL
468 /* %%%: about SPD and SAD */
469 void
470 kdebug_secpolicy(sp)
471 	struct secpolicy *sp;
472 {
473 	/* sanity check */
474 	if (sp == NULL)
475 		panic("%s: NULL pointer was passed.\n", __func__);
476 
477 	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
478 		sp->refcnt, sp->state, sp->policy);
479 
480 	kdebug_secpolicyindex(&sp->spidx);
481 
482 	switch (sp->policy) {
483 	case IPSEC_POLICY_DISCARD:
484 		printf("  type=discard }\n");
485 		break;
486 	case IPSEC_POLICY_NONE:
487 		printf("  type=none }\n");
488 		break;
489 	case IPSEC_POLICY_IPSEC:
490 	    {
491 		struct ipsecrequest *isr;
492 		for (isr = sp->req; isr != NULL; isr = isr->next) {
493 
494 			printf("  level=%u\n", isr->level);
495 			kdebug_secasindex(&isr->saidx);
496 
497 			if (isr->sav != NULL)
498 				kdebug_secasv(isr->sav);
499 		}
500 		printf("  }\n");
501 	    }
502 		break;
503 	case IPSEC_POLICY_BYPASS:
504 		printf("  type=bypass }\n");
505 		break;
506 	case IPSEC_POLICY_ENTRUST:
507 		printf("  type=entrust }\n");
508 		break;
509 	default:
510 		printf("%s: Invalid policy found. %d\n", __func__, sp->policy);
511 		break;
512 	}
513 
514 	return;
515 }
516 
517 void
518 kdebug_secpolicyindex(spidx)
519 	struct secpolicyindex *spidx;
520 {
521 	/* sanity check */
522 	if (spidx == NULL)
523 		panic("%s: NULL pointer was passed.\n", __func__);
524 
525 	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
526 		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
527 
528 	ipsec_hexdump((caddr_t)&spidx->src,
529 		((struct sockaddr *)&spidx->src)->sa_len);
530 	printf("\n");
531 	ipsec_hexdump((caddr_t)&spidx->dst,
532 		((struct sockaddr *)&spidx->dst)->sa_len);
533 	printf("}\n");
534 
535 	return;
536 }
537 
538 void
539 kdebug_secasindex(saidx)
540 	struct secasindex *saidx;
541 {
542 	/* sanity check */
543 	if (saidx == NULL)
544 		panic("%s: NULL pointer was passed.\n", __func__);
545 
546 	printf("secasindex{ mode=%u proto=%u\n",
547 		saidx->mode, saidx->proto);
548 
549 	ipsec_hexdump((caddr_t)&saidx->src,
550 		((struct sockaddr *)&saidx->src)->sa_len);
551 	printf("\n");
552 	ipsec_hexdump((caddr_t)&saidx->dst,
553 		((struct sockaddr *)&saidx->dst)->sa_len);
554 	printf("\n");
555 
556 	return;
557 }
558 
559 static void
560 kdebug_sec_lifetime(struct seclifetime *lft)
561 {
562 	/* sanity check */
563 	if (lft == NULL)
564 		panic("%s: NULL pointer was passed.\n", __func__);
565 
566 	printf("sec_lifetime{ alloc=%u, bytes=%u\n",
567 		lft->allocations, (u_int32_t)lft->bytes);
568 	printf("  addtime=%u, usetime=%u }\n",
569 		(u_int32_t)lft->addtime, (u_int32_t)lft->usetime);
570 
571 	return;
572 }
573 
574 void
575 kdebug_secasv(sav)
576 	struct secasvar *sav;
577 {
578 	/* sanity check */
579 	if (sav == NULL)
580 		panic("%s: NULL pointer was passed.\n", __func__);
581 
582 	printf("secas{");
583 	kdebug_secasindex(&sav->sah->saidx);
584 
585 	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
586 	    sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
587 	printf("  spi=%u flags=%u\n",
588 	    (u_int32_t)ntohl(sav->spi), sav->flags);
589 
590 	if (sav->key_auth != NULL)
591 		kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
592 	if (sav->key_enc != NULL)
593 		kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
594 	if (sav->iv != NULL) {
595 		printf("  iv=");
596 		ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
597 		printf("\n");
598 	}
599 
600 	if (sav->replay != NULL)
601 		kdebug_secreplay(sav->replay);
602 	if (sav->lft_c != NULL)
603 		kdebug_sec_lifetime(sav->lft_c);
604 	if (sav->lft_h != NULL)
605 		kdebug_sec_lifetime(sav->lft_h);
606 	if (sav->lft_s != NULL)
607 		kdebug_sec_lifetime(sav->lft_s);
608 
609 #ifdef notyet
610 	/* XXX: misc[123] ? */
611 #endif
612 
613 	return;
614 }
615 
616 static void
617 kdebug_secreplay(rpl)
618 	struct secreplay *rpl;
619 {
620 	int len, l;
621 
622 	/* sanity check */
623 	if (rpl == NULL)
624 		panic("%s: NULL pointer was passed.\n", __func__);
625 
626 	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
627 	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
628 
629 	if (rpl->bitmap == NULL) {
630 		printf(" }\n");
631 		return;
632 	}
633 
634 	printf("\n   bitmap { ");
635 
636 	for (len = 0; len < rpl->wsize; len++) {
637 		for (l = 7; l >= 0; l--)
638 			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
639 	}
640 	printf(" }\n");
641 
642 	return;
643 }
644 
645 void
646 kdebug_mbufhdr(m)
647 	struct mbuf *m;
648 {
649 	/* sanity check */
650 	if (m == NULL)
651 		return;
652 
653 	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
654 	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
655 		m, m->m_next, m->m_nextpkt, m->m_data,
656 		m->m_len, m->m_type, m->m_flags);
657 
658 	if (m->m_flags & M_PKTHDR) {
659 		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
660 		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
661 	}
662 
663 	if (m->m_flags & M_EXT) {
664 		printf("  m_ext{ ext_buf:%p ext_free:%p "
665 		       "ext_size:%u ref_cnt:%p }\n",
666 			m->m_ext.ext_buf, m->m_ext.ext_free,
667 			m->m_ext.ext_size, m->m_ext.ref_cnt);
668 	}
669 
670 	return;
671 }
672 
673 void
674 kdebug_mbuf(m0)
675 	struct mbuf *m0;
676 {
677 	struct mbuf *m = m0;
678 	int i, j;
679 
680 	for (j = 0; m; m = m->m_next) {
681 		kdebug_mbufhdr(m);
682 		printf("  m_data:\n");
683 		for (i = 0; i < m->m_len; i++) {
684 			if (i && i % 32 == 0)
685 				printf("\n");
686 			if (i % 4 == 0)
687 				printf(" ");
688 			printf("%02x", mtod(m, u_char *)[i]);
689 			j++;
690 		}
691 		printf("\n");
692 	}
693 
694 	return;
695 }
696 #endif /* _KERNEL */
697 
698 void
699 kdebug_sockaddr(addr)
700 	struct sockaddr *addr;
701 {
702 	struct sockaddr_in *sin4;
703 #ifdef INET6
704 	struct sockaddr_in6 *sin6;
705 #endif
706 
707 	/* sanity check */
708 	if (addr == NULL)
709 		panic("%s: NULL pointer was passed.\n", __func__);
710 
711 	/* NOTE: We deal with port number as host byte order. */
712 	printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
713 
714 	switch (addr->sa_family) {
715 	case AF_INET:
716 		sin4 = (struct sockaddr_in *)addr;
717 		printf(" port=%u\n", ntohs(sin4->sin_port));
718 		ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
719 		break;
720 #ifdef INET6
721 	case AF_INET6:
722 		sin6 = (struct sockaddr_in6 *)addr;
723 		printf(" port=%u\n", ntohs(sin6->sin6_port));
724 		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
725 		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
726 		ipsec_hexdump((caddr_t)&sin6->sin6_addr,
727 		    sizeof(sin6->sin6_addr));
728 		break;
729 #endif
730 	}
731 
732 	printf("  }\n");
733 
734 	return;
735 }
736 
737 void
738 ipsec_bindump(buf, len)
739 	caddr_t buf;
740 	int len;
741 {
742 	int i;
743 
744 	for (i = 0; i < len; i++)
745 		printf("%c", (unsigned char)buf[i]);
746 
747 	return;
748 }
749 
750 
751 void
752 ipsec_hexdump(buf, len)
753 	caddr_t buf;
754 	int len;
755 {
756 	int i;
757 
758 	for (i = 0; i < len; i++) {
759 		if (i != 0 && i % 32 == 0) printf("\n");
760 		if (i % 4 == 0) printf(" ");
761 		printf("%02x", (unsigned char)buf[i]);
762 	}
763 #if 0
764 	if (i % 32 != 0) printf("\n");
765 #endif
766 
767 	return;
768 }
769