xref: /netbsd-src/crypto/dist/ipsec-tools/src/libipsec/key_debug.c (revision 1c9b56c830954ccf3b57004ac65562e3d6afacf6)
1 /*	$KAME: key_debug.c,v 1.29 2001/08/16 14:25:41 itojun Exp $	*/
2 
3 /*
4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35 
36 #ifdef _KERNEL
37 #if defined(__FreeBSD__) && __FreeBSD__ >= 3
38 #include "opt_inet.h"
39 #include "opt_inet6.h"
40 #include "opt_ipsec.h"
41 #endif
42 #ifdef __NetBSD__
43 #include "opt_inet.h"
44 #endif
45 #endif
46 
47 #include <sys/types.h>
48 #include <sys/param.h>
49 #ifdef _KERNEL
50 #include <sys/systm.h>
51 #include <sys/mbuf.h>
52 #include <sys/queue.h>
53 #endif
54 #include <sys/socket.h>
55 
56 #include <netinet/in.h>
57 #ifdef HAVE_NETINET6_IPSEC
58 #  include <netinet6/ipsec.h>
59 #else
60 #  include <netinet/ipsec.h>
61 #endif
62 
63 #ifndef _KERNEL
64 #include <ctype.h>
65 #include <stdio.h>
66 #include <stdlib.h>
67 #endif /* !_KERNEL */
68 
69 #include "config.h"
70 #include "libpfkey.h"
71 
72 static void kdebug_sadb_prop __P((struct sadb_ext *));
73 static void kdebug_sadb_identity __P((struct sadb_ext *));
74 static void kdebug_sadb_supported __P((struct sadb_ext *));
75 static void kdebug_sadb_lifetime __P((struct sadb_ext *));
76 static void kdebug_sadb_sa __P((struct sadb_ext *));
77 static void kdebug_sadb_address __P((struct sadb_ext *));
78 static void kdebug_sadb_key __P((struct sadb_ext *));
79 static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
80 static void kdebug_sadb_x_policy __P((struct sadb_ext *ext));
81 static void kdebug_sockaddr __P((struct sockaddr *addr));
82 
83 #ifdef SADB_X_EXT_NAT_T_TYPE
84 static void kdebug_sadb_x_nat_t_type __P((struct sadb_ext *ext));
85 static void kdebug_sadb_x_nat_t_port __P((struct sadb_ext *ext));
86 #endif
87 
88 #ifdef _KERNEL
89 static void kdebug_secreplay __P((struct secreplay *));
90 #endif
91 
92 #ifndef _KERNEL
93 #define panic(param)	{ printf(param); exit(1); }
94 #endif
95 
96 #include "libpfkey.h"
97 /* NOTE: host byte order */
98 
99 /* %%%: about struct sadb_msg */
100 void
101 kdebug_sadb(base)
102 	struct sadb_msg *base;
103 {
104 	struct sadb_ext *ext;
105 	int tlen, extlen;
106 
107 	/* sanity check */
108 	if (base == NULL)
109 		panic("kdebug_sadb: NULL pointer was passed.\n");
110 
111 	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
112 	    base->sadb_msg_version, base->sadb_msg_type,
113 	    base->sadb_msg_errno, base->sadb_msg_satype);
114 	printf("  len=%u reserved=%u seq=%u pid=%u\n",
115 	    base->sadb_msg_len, base->sadb_msg_reserved,
116 	    base->sadb_msg_seq, base->sadb_msg_pid);
117 
118 	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
119 	ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
120 
121 	while (tlen > 0) {
122 		printf("sadb_ext{ len=%u type=%u }\n",
123 		    ext->sadb_ext_len, ext->sadb_ext_type);
124 
125 		if (ext->sadb_ext_len == 0) {
126 			printf("kdebug_sadb: invalid ext_len=0 was passed.\n");
127 			return;
128 		}
129 		if (ext->sadb_ext_len > tlen) {
130 			printf("kdebug_sadb: ext_len exceeds end of buffer.\n");
131 			return;
132 		}
133 
134 		switch (ext->sadb_ext_type) {
135 		case SADB_EXT_SA:
136 			kdebug_sadb_sa(ext);
137 			break;
138 		case SADB_EXT_LIFETIME_CURRENT:
139 		case SADB_EXT_LIFETIME_HARD:
140 		case SADB_EXT_LIFETIME_SOFT:
141 			kdebug_sadb_lifetime(ext);
142 			break;
143 		case SADB_EXT_ADDRESS_SRC:
144 		case SADB_EXT_ADDRESS_DST:
145 		case SADB_EXT_ADDRESS_PROXY:
146 			kdebug_sadb_address(ext);
147 			break;
148 		case SADB_EXT_KEY_AUTH:
149 		case SADB_EXT_KEY_ENCRYPT:
150 			kdebug_sadb_key(ext);
151 			break;
152 		case SADB_EXT_IDENTITY_SRC:
153 		case SADB_EXT_IDENTITY_DST:
154 			kdebug_sadb_identity(ext);
155 			break;
156 		case SADB_EXT_SENSITIVITY:
157 			break;
158 		case SADB_EXT_PROPOSAL:
159 			kdebug_sadb_prop(ext);
160 			break;
161 		case SADB_EXT_SUPPORTED_AUTH:
162 		case SADB_EXT_SUPPORTED_ENCRYPT:
163 			kdebug_sadb_supported(ext);
164 			break;
165 		case SADB_EXT_SPIRANGE:
166 		case SADB_X_EXT_KMPRIVATE:
167 			break;
168 		case SADB_X_EXT_POLICY:
169 			kdebug_sadb_x_policy(ext);
170 			break;
171 		case SADB_X_EXT_SA2:
172 			kdebug_sadb_x_sa2(ext);
173 			break;
174 #ifdef SADB_X_EXT_NAT_T_TYPE
175 		case SADB_X_EXT_NAT_T_TYPE:
176 			kdebug_sadb_x_nat_t_type(ext);
177 			break;
178 		case SADB_X_EXT_NAT_T_SPORT:
179 		case SADB_X_EXT_NAT_T_DPORT:
180 			kdebug_sadb_x_nat_t_port(ext);
181 			break;
182 		case SADB_X_EXT_NAT_T_OA:
183 			kdebug_sadb_address(ext);
184 			break;
185 #endif
186 		default:
187 			printf("kdebug_sadb: invalid ext_type %u was passed.\n",
188 			    ext->sadb_ext_type);
189 			return;
190 		}
191 
192 		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
193 		tlen -= extlen;
194 		ext = (struct sadb_ext *)((caddr_t)ext + extlen);
195 	}
196 
197 	return;
198 }
199 
200 static void
201 kdebug_sadb_prop(ext)
202 	struct sadb_ext *ext;
203 {
204 	struct sadb_prop *prop = (struct sadb_prop *)ext;
205 	struct sadb_comb *comb;
206 	int len;
207 
208 	/* sanity check */
209 	if (ext == NULL)
210 		panic("kdebug_sadb_prop: NULL pointer was passed.\n");
211 
212 	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
213 		/ sizeof(*comb);
214 	comb = (struct sadb_comb *)(prop + 1);
215 	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
216 
217 	while (len--) {
218 		printf("sadb_comb{ auth=%u encrypt=%u "
219 			"flags=0x%04x reserved=0x%08x\n",
220 			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
221 			comb->sadb_comb_flags, comb->sadb_comb_reserved);
222 
223 		printf("  auth_minbits=%u auth_maxbits=%u "
224 			"encrypt_minbits=%u encrypt_maxbits=%u\n",
225 			comb->sadb_comb_auth_minbits,
226 			comb->sadb_comb_auth_maxbits,
227 			comb->sadb_comb_encrypt_minbits,
228 			comb->sadb_comb_encrypt_maxbits);
229 
230 		printf("  soft_alloc=%u hard_alloc=%u "
231 			"soft_bytes=%lu hard_bytes=%lu\n",
232 			comb->sadb_comb_soft_allocations,
233 			comb->sadb_comb_hard_allocations,
234 			(unsigned long)comb->sadb_comb_soft_bytes,
235 			(unsigned long)comb->sadb_comb_hard_bytes);
236 
237 		printf("  soft_alloc=%lu hard_alloc=%lu "
238 			"soft_bytes=%lu hard_bytes=%lu }\n",
239 			(unsigned long)comb->sadb_comb_soft_addtime,
240 			(unsigned long)comb->sadb_comb_hard_addtime,
241 			(unsigned long)comb->sadb_comb_soft_usetime,
242 			(unsigned long)comb->sadb_comb_hard_usetime);
243 		comb++;
244 	}
245 	printf("}\n");
246 
247 	return;
248 }
249 
250 static void
251 kdebug_sadb_identity(ext)
252 	struct sadb_ext *ext;
253 {
254 	struct sadb_ident *id = (struct sadb_ident *)ext;
255 	int len;
256 
257 	/* sanity check */
258 	if (ext == NULL)
259 		panic("kdebug_sadb_identity: NULL pointer was passed.\n");
260 
261 	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
262 	printf("sadb_ident_%s{",
263 	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
264 	switch (id->sadb_ident_type) {
265 	default:
266 		printf(" type=%d id=%lu",
267 			id->sadb_ident_type, (u_long)id->sadb_ident_id);
268 		if (len) {
269 #ifdef _KERNEL
270 			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
271 #else
272 			char *p, *ep;
273 			printf("\n  str=\"");
274 			p = (char *)(id + 1);
275 			ep = p + len;
276 			for (/*nothing*/; *p && p < ep; p++) {
277 				if (isprint((int)*p))
278 					printf("%c", *p & 0xff);
279 				else
280 					printf("\\%03o", *p & 0xff);
281 			}
282 #endif
283 			printf("\"");
284 		}
285 		break;
286 	}
287 
288 	printf(" }\n");
289 
290 	return;
291 }
292 
293 static void
294 kdebug_sadb_supported(ext)
295 	struct sadb_ext *ext;
296 {
297 	struct sadb_supported *sup = (struct sadb_supported *)ext;
298 	struct sadb_alg *alg;
299 	int len;
300 
301 	/* sanity check */
302 	if (ext == NULL)
303 		panic("kdebug_sadb_supported: NULL pointer was passed.\n");
304 
305 	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
306 		/ sizeof(*alg);
307 	alg = (struct sadb_alg *)(sup + 1);
308 	printf("sadb_sup{\n");
309 	while (len--) {
310 		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
311 			alg->sadb_alg_id, alg->sadb_alg_ivlen,
312 			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
313 		alg++;
314 	}
315 	printf("}\n");
316 
317 	return;
318 }
319 
320 static void
321 kdebug_sadb_lifetime(ext)
322 	struct sadb_ext *ext;
323 {
324 	struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
325 
326 	/* sanity check */
327 	if (ext == NULL)
328 		printf("kdebug_sadb_lifetime: NULL pointer was passed.\n");
329 
330 	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
331 		lft->sadb_lifetime_allocations,
332 		(u_int32_t)lft->sadb_lifetime_bytes);
333 	printf("  addtime=%u, usetime=%u }\n",
334 		(u_int32_t)lft->sadb_lifetime_addtime,
335 		(u_int32_t)lft->sadb_lifetime_usetime);
336 
337 	return;
338 }
339 
340 static void
341 kdebug_sadb_sa(ext)
342 	struct sadb_ext *ext;
343 {
344 	struct sadb_sa *sa = (struct sadb_sa *)ext;
345 
346 	/* sanity check */
347 	if (ext == NULL)
348 		panic("kdebug_sadb_sa: NULL pointer was passed.\n");
349 
350 	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
351 	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
352 	    sa->sadb_sa_state);
353 	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
354 	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
355 
356 	return;
357 }
358 
359 static void
360 kdebug_sadb_address(ext)
361 	struct sadb_ext *ext;
362 {
363 	struct sadb_address *addr = (struct sadb_address *)ext;
364 
365 	/* sanity check */
366 	if (ext == NULL)
367 		panic("kdebug_sadb_address: NULL pointer was passed.\n");
368 
369 	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
370 	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
371 	    ((u_char *)&addr->sadb_address_reserved)[0],
372 	    ((u_char *)&addr->sadb_address_reserved)[1]);
373 
374 	kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
375 
376 	return;
377 }
378 
379 static void
380 kdebug_sadb_key(ext)
381 	struct sadb_ext *ext;
382 {
383 	struct sadb_key *key = (struct sadb_key *)ext;
384 
385 	/* sanity check */
386 	if (ext == NULL)
387 		panic("kdebug_sadb_key: NULL pointer was passed.\n");
388 
389 	printf("sadb_key{ bits=%u reserved=%u\n",
390 	    key->sadb_key_bits, key->sadb_key_reserved);
391 	printf("  key=");
392 
393 	/* sanity check 2 */
394 	if ((key->sadb_key_bits >> 3) >
395 		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
396 		printf("kdebug_sadb_key: key length mismatch, bit:%d len:%ld.\n",
397 			key->sadb_key_bits >> 3,
398 			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
399 	}
400 
401 	ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
402 	              key->sadb_key_bits >> 3);
403 	printf(" }\n");
404 	return;
405 }
406 
407 static void
408 kdebug_sadb_x_sa2(ext)
409 	struct sadb_ext *ext;
410 {
411 	struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
412 
413 	/* sanity check */
414 	if (ext == NULL)
415 		panic("kdebug_sadb_x_sa2: NULL pointer was passed.\n");
416 
417 	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
418 	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
419 	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
420 	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
421 	    sa2->sadb_x_sa2_sequence);
422 
423 	return;
424 }
425 
426 void
427 kdebug_sadb_x_policy(ext)
428 	struct sadb_ext *ext;
429 {
430 	struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
431 	struct sockaddr *addr;
432 
433 	/* sanity check */
434 	if (ext == NULL)
435 		panic("kdebug_sadb_x_policy: NULL pointer was passed.\n");
436 
437 #ifdef HAVE_PFKEY_POLICY_PRIORITY
438 	printf("sadb_x_policy{ type=%u dir=%u id=%x priority=%u }\n",
439 #else
440 	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
441 #endif
442 		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
443 #ifdef HAVE_PFKEY_POLICY_PRIORITY
444 		xpl->sadb_x_policy_id, xpl->sadb_x_policy_priority);
445 #else
446 		xpl->sadb_x_policy_id);
447 #endif
448 
449 	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
450 		int tlen;
451 		struct sadb_x_ipsecrequest *xisr;
452 
453 		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
454 		xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
455 
456 		while (tlen > 0) {
457 			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
458 				xisr->sadb_x_ipsecrequest_len,
459 				xisr->sadb_x_ipsecrequest_proto,
460 				xisr->sadb_x_ipsecrequest_mode,
461 				xisr->sadb_x_ipsecrequest_level,
462 				xisr->sadb_x_ipsecrequest_reqid);
463 
464 			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
465 				addr = (struct sockaddr *)(xisr + 1);
466 				kdebug_sockaddr(addr);
467 				addr = (struct sockaddr *)((caddr_t)addr
468 							+ sysdep_sa_len(addr));
469 				kdebug_sockaddr(addr);
470 			}
471 
472 			printf(" }\n");
473 
474 			/* prevent infinite loop */
475 			if (xisr->sadb_x_ipsecrequest_len <= 0) {
476 				printf("kdebug_sadb_x_policy: wrong policy struct.\n");
477 				return;
478 			}
479 			/* prevent overflow */
480 			if (xisr->sadb_x_ipsecrequest_len > tlen) {
481 				printf("invalid ipsec policy length\n");
482 				return;
483 			}
484 
485 			tlen -= xisr->sadb_x_ipsecrequest_len;
486 
487 			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
488 			                + xisr->sadb_x_ipsecrequest_len);
489 		}
490 
491 		if (tlen != 0)
492 			panic("kdebug_sadb_x_policy: wrong policy struct.\n");
493 	}
494 
495 	return;
496 }
497 
498 #ifdef SADB_X_EXT_NAT_T_TYPE
499 static void
500 kdebug_sadb_x_nat_t_type(struct sadb_ext *ext)
501 {
502 	struct sadb_x_nat_t_type *ntt = (struct sadb_x_nat_t_type *)ext;
503 
504 	/* sanity check */
505 	if (ext == NULL)
506 		panic("kdebug_sadb_x_nat_t_type: NULL pointer was passed.\n");
507 
508 	printf("sadb_x_nat_t_type{ type=%u }\n", ntt->sadb_x_nat_t_type_type);
509 
510 	return;
511 }
512 
513 static void
514 kdebug_sadb_x_nat_t_port(struct sadb_ext *ext)
515 {
516 	struct sadb_x_nat_t_port *ntp = (struct sadb_x_nat_t_port *)ext;
517 
518 	/* sanity check */
519 	if (ext == NULL)
520 		panic("kdebug_sadb_x_nat_t_port: NULL pointer was passed.\n");
521 
522 	printf("sadb_x_nat_t_port{ port=%u }\n", ntohs(ntp->sadb_x_nat_t_port_port));
523 
524 	return;
525 }
526 #endif
527 
528 #ifdef _KERNEL
529 /* %%%: about SPD and SAD */
530 void
531 kdebug_secpolicy(sp)
532 	struct secpolicy *sp;
533 {
534 	/* sanity check */
535 	if (sp == NULL)
536 		panic("kdebug_secpolicy: NULL pointer was passed.\n");
537 
538 	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
539 		sp->refcnt, sp->state, sp->policy);
540 
541 	kdebug_secpolicyindex(&sp->spidx);
542 
543 	switch (sp->policy) {
544 	case IPSEC_POLICY_DISCARD:
545 		printf("  type=discard }\n");
546 		break;
547 	case IPSEC_POLICY_NONE:
548 		printf("  type=none }\n");
549 		break;
550 	case IPSEC_POLICY_IPSEC:
551 	    {
552 		struct ipsecrequest *isr;
553 		for (isr = sp->req; isr != NULL; isr = isr->next) {
554 
555 			printf("  level=%u\n", isr->level);
556 			kdebug_secasindex(&isr->saidx);
557 
558 			if (isr->sav != NULL)
559 				kdebug_secasv(isr->sav);
560 		}
561 		printf("  }\n");
562 	    }
563 		break;
564 	case IPSEC_POLICY_BYPASS:
565 		printf("  type=bypass }\n");
566 		break;
567 	case IPSEC_POLICY_ENTRUST:
568 		printf("  type=entrust }\n");
569 		break;
570 	default:
571 		printf("kdebug_secpolicy: Invalid policy found. %d\n",
572 			sp->policy);
573 		break;
574 	}
575 
576 	return;
577 }
578 
579 void
580 kdebug_secpolicyindex(spidx)
581 	struct secpolicyindex *spidx;
582 {
583 	/* sanity check */
584 	if (spidx == NULL)
585 		panic("kdebug_secpolicyindex: NULL pointer was passed.\n");
586 
587 	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
588 		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
589 
590 	ipsec_hexdump((caddr_t)&spidx->src,
591 		sysdep_sa_len((struct sockaddr *)&spidx->src));
592 	printf("\n");
593 	ipsec_hexdump((caddr_t)&spidx->dst,
594 		sysdep_sa_len((struct sockaddr *)&spidx->dst));
595 	printf("}\n");
596 
597 	return;
598 }
599 
600 void
601 kdebug_secasindex(saidx)
602 	struct secasindex *saidx;
603 {
604 	/* sanity check */
605 	if (saidx == NULL)
606 		panic("kdebug_secpolicyindex: NULL pointer was passed.\n");
607 
608 	printf("secasindex{ mode=%u proto=%u\n",
609 		saidx->mode, saidx->proto);
610 
611 	ipsec_hexdump((caddr_t)&saidx->src,
612 		sysdep_sa_len((struct sockaddr *)&saidx->src));
613 	printf("\n");
614 	ipsec_hexdump((caddr_t)&saidx->dst,
615 		sysdep_sa_len((struct sockaddr *)&saidx->dst));
616 	printf("\n");
617 
618 	return;
619 }
620 
621 void
622 kdebug_secasv(sav)
623 	struct secasvar *sav;
624 {
625 	/* sanity check */
626 	if (sav == NULL)
627 		panic("kdebug_secasv: NULL pointer was passed.\n");
628 
629 	printf("secas{");
630 	kdebug_secasindex(&sav->sah->saidx);
631 
632 	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
633 	    sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
634 	printf("  spi=%u flags=%u\n",
635 	    (u_int32_t)ntohl(sav->spi), sav->flags);
636 
637 	if (sav->key_auth != NULL)
638 		kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
639 	if (sav->key_enc != NULL)
640 		kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
641 	if (sav->iv != NULL) {
642 		printf("  iv=");
643 		ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
644 		printf("\n");
645 	}
646 
647 	if (sav->replay != NULL)
648 		kdebug_secreplay(sav->replay);
649 	if (sav->lft_c != NULL)
650 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
651 	if (sav->lft_h != NULL)
652 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
653 	if (sav->lft_s != NULL)
654 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
655 
656 #if notyet
657 	/* XXX: misc[123] ? */
658 #endif
659 
660 	return;
661 }
662 
663 static void
664 kdebug_secreplay(rpl)
665 	struct secreplay *rpl;
666 {
667 	int len, l;
668 
669 	/* sanity check */
670 	if (rpl == NULL)
671 		panic("kdebug_secreplay: NULL pointer was passed.\n");
672 
673 	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
674 	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
675 
676 	if (rpl->bitmap == NULL) {
677 		printf(" }\n");
678 		return;
679 	}
680 
681 	printf("\n   bitmap { ");
682 
683 	for (len = 0; len < rpl->wsize; len++) {
684 		for (l = 7; l >= 0; l--)
685 			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
686 	}
687 	printf(" }\n");
688 
689 	return;
690 }
691 
692 void
693 kdebug_mbufhdr(m)
694 	struct mbuf *m;
695 {
696 	/* sanity check */
697 	if (m == NULL)
698 		return;
699 
700 	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
701 	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
702 		m, m->m_next, m->m_nextpkt, m->m_data,
703 		m->m_len, m->m_type, m->m_flags);
704 
705 	if (m->m_flags & M_PKTHDR) {
706 		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
707 		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
708 	}
709 
710 #ifdef __FreeBSD__
711 	if (m->m_flags & M_EXT) {
712 		printf("  m_ext{ ext_buf:%p ext_free:%p "
713 		       "ext_size:%u ext_ref:%p }\n",
714 			m->m_ext.ext_buf, m->m_ext.ext_free,
715 			m->m_ext.ext_size, m->m_ext.ext_ref);
716 	}
717 #endif
718 
719 	return;
720 }
721 
722 void
723 kdebug_mbuf(m0)
724 	struct mbuf *m0;
725 {
726 	struct mbuf *m = m0;
727 	int i, j;
728 
729 	for (j = 0; m; m = m->m_next) {
730 		kdebug_mbufhdr(m);
731 		printf("  m_data:\n");
732 		for (i = 0; i < m->m_len; i++) {
733 			if (i && i % 32 == 0)
734 				printf("\n");
735 			if (i % 4 == 0)
736 				printf(" ");
737 			printf("%02x", mtod(m, u_char *)[i]);
738 			j++;
739 		}
740 		printf("\n");
741 	}
742 
743 	return;
744 }
745 #endif /* _KERNEL */
746 
747 static void
748 kdebug_sockaddr(addr)
749 	struct sockaddr *addr;
750 {
751 	struct sockaddr_in *sin4;
752 #ifdef INET6
753 	struct sockaddr_in6 *sin6;
754 #endif
755 
756 	/* sanity check */
757 	if (addr == NULL)
758 		panic("kdebug_sockaddr: NULL pointer was passed.\n");
759 
760 	/* NOTE: We deal with port number as host byte order. */
761 	printf("sockaddr{ len=%u family=%u", sysdep_sa_len(addr), addr->sa_family);
762 
763 	switch (addr->sa_family) {
764 	case AF_INET:
765 		sin4 = (struct sockaddr_in *)addr;
766 		printf(" port=%u\n", ntohs(sin4->sin_port));
767 		ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
768 		break;
769 #ifdef INET6
770 	case AF_INET6:
771 		sin6 = (struct sockaddr_in6 *)addr;
772 		printf(" port=%u\n", ntohs(sin6->sin6_port));
773 		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
774 		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
775 		ipsec_hexdump((caddr_t)&sin6->sin6_addr,
776 		    sizeof(sin6->sin6_addr));
777 		break;
778 #endif
779 	}
780 
781 	printf("  }\n");
782 
783 	return;
784 }
785 
786 void
787 ipsec_bindump(buf, len)
788 	caddr_t buf;
789 	int len;
790 {
791 	int i;
792 
793 	for (i = 0; i < len; i++)
794 		printf("%c", (unsigned char)buf[i]);
795 
796 	return;
797 }
798 
799 
800 void
801 ipsec_hexdump(buf, len)
802 	caddr_t buf;
803 	int len;
804 {
805 	int i;
806 
807 	for (i = 0; i < len; i++) {
808 		if (i != 0 && i % 32 == 0) printf("\n");
809 		if (i % 4 == 0) printf(" ");
810 		printf("%02x", (unsigned char)buf[i]);
811 	}
812 #if 0
813 	if (i % 32 != 0) printf("\n");
814 #endif
815 
816 	return;
817 }
818