1/*	$NetBSD: key_debug.c,v 1.10 2012/01/09 15:25:13 drochner Exp $	*/
2
3/*	$KAME: key_debug.c,v 1.29 2001/08/16 14:25:41 itojun Exp $	*/
4
5/*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifdef HAVE_CONFIG_H
35#include "config.h"
36#endif
37
38#ifdef _KERNEL
39#if defined(__FreeBSD__) && __FreeBSD__ >= 3
40#include "opt_inet.h"
41#include "opt_inet6.h"
42#include "opt_ipsec.h"
43#endif
44#ifdef __NetBSD__
45#include "opt_inet.h"
46#endif
47#endif
48
49#if HAVE_STDINT_H
50#include <stdint.h>
51#endif
52
53#include <sys/types.h>
54#include <sys/param.h>
55#ifdef _KERNEL
56#include <sys/systm.h>
57#include <sys/mbuf.h>
58#include <sys/queue.h>
59#endif
60#include <sys/socket.h>
61
62#include <netinet/in.h>
63#include PATH_IPSEC_H
64
65#ifndef _KERNEL
66#include <ctype.h>
67#include <stdio.h>
68#include <stdlib.h>
69#endif /* !_KERNEL */
70
71#include "config.h"
72#include "libpfkey.h"
73
74static void kdebug_sadb_prop __P((struct sadb_ext *));
75static void kdebug_sadb_identity __P((struct sadb_ext *));
76static void kdebug_sadb_supported __P((struct sadb_ext *));
77static void kdebug_sadb_lifetime __P((struct sadb_ext *));
78static void kdebug_sadb_sa __P((struct sadb_ext *));
79static void kdebug_sadb_address __P((struct sadb_ext *));
80static void kdebug_sadb_key __P((struct sadb_ext *));
81static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
82static void kdebug_sadb_x_policy __P((struct sadb_ext *ext));
83static void kdebug_sockaddr __P((struct sockaddr *addr));
84
85#ifdef SADB_X_EXT_NAT_T_TYPE
86static void kdebug_sadb_x_nat_t_type __P((struct sadb_ext *ext));
87static void kdebug_sadb_x_nat_t_port __P((struct sadb_ext *ext));
88#ifdef SADB_X_EXT_NAT_T_FRAG
89static void kdebug_sadb_x_nat_t_frag __P((struct sadb_ext *ext));
90#endif
91#endif
92
93#ifdef SADB_X_EXT_PACKET
94static void kdebug_sadb_x_packet __P((struct sadb_ext *));
95#endif
96
97#ifdef SADB_X_EXT_KMADDRESS
98static void kdebug_sadb_x_kmaddress __P((struct sadb_ext *));
99#endif
100
101#ifdef _KERNEL
102static void kdebug_secreplay __P((struct secreplay *));
103#endif
104
105#ifndef _KERNEL
106#define panic(param)	{ printf(param); exit(1); }
107#endif
108
109#include "libpfkey.h"
110/* NOTE: host byte order */
111
112/* %%%: about struct sadb_msg */
113void
114kdebug_sadb(base)
115	struct sadb_msg *base;
116{
117	struct sadb_ext *ext;
118	int tlen, extlen;
119
120	/* sanity check */
121	if (base == NULL)
122		panic("kdebug_sadb: NULL pointer was passed.\n");
123
124	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
125	    base->sadb_msg_version, base->sadb_msg_type,
126	    base->sadb_msg_errno, base->sadb_msg_satype);
127	printf("  len=%u reserved=%u seq=%u pid=%u\n",
128	    base->sadb_msg_len, base->sadb_msg_reserved,
129	    base->sadb_msg_seq, base->sadb_msg_pid);
130
131	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
132	ext = (void *)((caddr_t)(void *)base + sizeof(struct sadb_msg));
133
134	while (tlen > 0) {
135		printf("sadb_ext{ len=%u type=%u }\n",
136		    ext->sadb_ext_len, ext->sadb_ext_type);
137
138		if (ext->sadb_ext_len == 0) {
139			printf("kdebug_sadb: invalid ext_len=0 was passed.\n");
140			return;
141		}
142		if (ext->sadb_ext_len > tlen) {
143			printf("kdebug_sadb: ext_len exceeds end of buffer.\n");
144			return;
145		}
146
147		switch (ext->sadb_ext_type) {
148		case SADB_EXT_SA:
149			kdebug_sadb_sa(ext);
150			break;
151		case SADB_EXT_LIFETIME_CURRENT:
152		case SADB_EXT_LIFETIME_HARD:
153		case SADB_EXT_LIFETIME_SOFT:
154			kdebug_sadb_lifetime(ext);
155			break;
156		case SADB_EXT_ADDRESS_SRC:
157		case SADB_EXT_ADDRESS_DST:
158		case SADB_EXT_ADDRESS_PROXY:
159			kdebug_sadb_address(ext);
160			break;
161		case SADB_EXT_KEY_AUTH:
162		case SADB_EXT_KEY_ENCRYPT:
163			kdebug_sadb_key(ext);
164			break;
165		case SADB_EXT_IDENTITY_SRC:
166		case SADB_EXT_IDENTITY_DST:
167			kdebug_sadb_identity(ext);
168			break;
169		case SADB_EXT_SENSITIVITY:
170			break;
171		case SADB_EXT_PROPOSAL:
172			kdebug_sadb_prop(ext);
173			break;
174		case SADB_EXT_SUPPORTED_AUTH:
175		case SADB_EXT_SUPPORTED_ENCRYPT:
176			kdebug_sadb_supported(ext);
177			break;
178		case SADB_EXT_SPIRANGE:
179		case SADB_X_EXT_KMPRIVATE:
180			break;
181		case SADB_X_EXT_POLICY:
182			kdebug_sadb_x_policy(ext);
183			break;
184		case SADB_X_EXT_SA2:
185			kdebug_sadb_x_sa2(ext);
186			break;
187#ifdef SADB_X_EXT_NAT_T_TYPE
188		case SADB_X_EXT_NAT_T_TYPE:
189			kdebug_sadb_x_nat_t_type(ext);
190			break;
191		case SADB_X_EXT_NAT_T_SPORT:
192		case SADB_X_EXT_NAT_T_DPORT:
193			kdebug_sadb_x_nat_t_port(ext);
194			break;
195		case SADB_X_EXT_NAT_T_OA:
196			kdebug_sadb_address(ext);
197			break;
198#ifdef SADB_X_EXT_NAT_T_FRAG
199		case SADB_X_EXT_NAT_T_FRAG:
200			kdebug_sadb_x_nat_t_frag(ext);
201			break;
202#endif
203#endif
204#ifdef SADB_X_EXT_PACKET
205		case SADB_X_EXT_PACKET:
206			kdebug_sadb_x_packet(ext);
207			break;
208#endif
209#ifdef SADB_X_EXT_KMADDRESS
210		case SADB_X_EXT_KMADDRESS:
211			kdebug_sadb_x_kmaddress(ext);
212			break;
213#endif
214		default:
215			printf("kdebug_sadb: invalid ext_type %u was passed.\n",
216			    ext->sadb_ext_type);
217			return;
218		}
219
220		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
221		tlen -= extlen;
222		ext = (void *)((caddr_t)(void *)ext + extlen);
223	}
224
225	return;
226}
227
228static void
229kdebug_sadb_prop(ext)
230	struct sadb_ext *ext;
231{
232	struct sadb_prop *prop = (void *)ext;
233	struct sadb_comb *comb;
234	int len;
235
236	/* sanity check */
237	if (ext == NULL)
238		panic("kdebug_sadb_prop: NULL pointer was passed.\n");
239
240	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
241		/ sizeof(*comb);
242	comb = (void *)(prop + 1);
243	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
244
245	while (len--) {
246		printf("sadb_comb{ auth=%u encrypt=%u "
247			"flags=0x%04x reserved=0x%08x\n",
248			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
249			comb->sadb_comb_flags, comb->sadb_comb_reserved);
250
251		printf("  auth_minbits=%u auth_maxbits=%u "
252			"encrypt_minbits=%u encrypt_maxbits=%u\n",
253			comb->sadb_comb_auth_minbits,
254			comb->sadb_comb_auth_maxbits,
255			comb->sadb_comb_encrypt_minbits,
256			comb->sadb_comb_encrypt_maxbits);
257
258		printf("  soft_alloc=%u hard_alloc=%u "
259			"soft_bytes=%lu hard_bytes=%lu\n",
260			comb->sadb_comb_soft_allocations,
261			comb->sadb_comb_hard_allocations,
262			(unsigned long)comb->sadb_comb_soft_bytes,
263			(unsigned long)comb->sadb_comb_hard_bytes);
264
265		printf("  soft_alloc=%lu hard_alloc=%lu "
266			"soft_bytes=%lu hard_bytes=%lu }\n",
267			(unsigned long)comb->sadb_comb_soft_addtime,
268			(unsigned long)comb->sadb_comb_hard_addtime,
269			(unsigned long)comb->sadb_comb_soft_usetime,
270			(unsigned long)comb->sadb_comb_hard_usetime);
271		comb++;
272	}
273	printf("}\n");
274
275	return;
276}
277
278static void
279kdebug_sadb_identity(ext)
280	struct sadb_ext *ext;
281{
282	struct sadb_ident *id = (void *)ext;
283	int len;
284
285	/* sanity check */
286	if (ext == NULL)
287		panic("kdebug_sadb_identity: NULL pointer was passed.\n");
288
289	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
290	printf("sadb_ident_%s{",
291	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
292	switch (id->sadb_ident_type) {
293	default:
294		printf(" type=%d id=%lu",
295			id->sadb_ident_type, (u_long)id->sadb_ident_id);
296		if (len) {
297#ifdef _KERNEL
298			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
299#else
300			char *p, *ep;
301			printf("\n  str=\"");
302			p = (void *)(id + 1);
303			ep = p + len;
304			for (/*nothing*/; *p && p < ep; p++) {
305				if (isprint((int)*p))
306					printf("%c", *p & 0xff);
307				else
308					printf("\\%03o", *p & 0xff);
309			}
310#endif
311			printf("\"");
312		}
313		break;
314	}
315
316	printf(" }\n");
317
318	return;
319}
320
321static void
322kdebug_sadb_supported(ext)
323	struct sadb_ext *ext;
324{
325	struct sadb_supported *sup = (void *)ext;
326	struct sadb_alg *alg;
327	int len;
328
329	/* sanity check */
330	if (ext == NULL)
331		panic("kdebug_sadb_supported: NULL pointer was passed.\n");
332
333	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
334		/ sizeof(*alg);
335	alg = (void *)(sup + 1);
336	printf("sadb_sup{\n");
337	while (len--) {
338		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
339			alg->sadb_alg_id, alg->sadb_alg_ivlen,
340			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
341		alg++;
342	}
343	printf("}\n");
344
345	return;
346}
347
348static void
349kdebug_sadb_lifetime(ext)
350	struct sadb_ext *ext;
351{
352	struct sadb_lifetime *lft = (void *)ext;
353
354	/* sanity check */
355	if (ext == NULL)
356		printf("kdebug_sadb_lifetime: NULL pointer was passed.\n");
357
358	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
359		lft->sadb_lifetime_allocations,
360		(u_int32_t)lft->sadb_lifetime_bytes);
361	printf("  addtime=%u, usetime=%u }\n",
362		(u_int32_t)lft->sadb_lifetime_addtime,
363		(u_int32_t)lft->sadb_lifetime_usetime);
364
365	return;
366}
367
368static void
369kdebug_sadb_sa(ext)
370	struct sadb_ext *ext;
371{
372	struct sadb_sa *sa = (void *)ext;
373
374	/* sanity check */
375	if (ext == NULL)
376		panic("kdebug_sadb_sa: NULL pointer was passed.\n");
377
378	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
379	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
380	    sa->sadb_sa_state);
381	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
382	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
383
384	return;
385}
386
387static void
388kdebug_sadb_address(ext)
389	struct sadb_ext *ext;
390{
391	struct sadb_address *addr = (void *)ext;
392
393	/* sanity check */
394	if (ext == NULL)
395		panic("kdebug_sadb_address: NULL pointer was passed.\n");
396
397	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
398	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
399	    ((u_char *)(void *)&addr->sadb_address_reserved)[0],
400	    ((u_char *)(void *)&addr->sadb_address_reserved)[1]);
401
402	kdebug_sockaddr((void *)((caddr_t)(void *)ext + sizeof(*addr)));
403
404	return;
405}
406
407static void
408kdebug_sadb_key(ext)
409	struct sadb_ext *ext;
410{
411	struct sadb_key *key = (void *)ext;
412
413	/* sanity check */
414	if (ext == NULL)
415		panic("kdebug_sadb_key: NULL pointer was passed.\n");
416
417	printf("sadb_key{ bits=%u reserved=%u\n",
418	    key->sadb_key_bits, key->sadb_key_reserved);
419	printf("  key=");
420
421	/* sanity check 2 */
422	if (((uint32_t)key->sadb_key_bits >> 3) >
423		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
424		printf("kdebug_sadb_key: key length mismatch, bit:%d len:%ld.\n",
425			(uint32_t)key->sadb_key_bits >> 3,
426			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
427	}
428
429	ipsec_hexdump(key + sizeof(struct sadb_key),
430	              (int)((uint32_t)key->sadb_key_bits >> 3));
431	printf(" }\n");
432	return;
433}
434
435static void
436kdebug_sadb_x_sa2(ext)
437	struct sadb_ext *ext;
438{
439	struct sadb_x_sa2 *sa2 = (void *)ext;
440
441	/* sanity check */
442	if (ext == NULL)
443		panic("kdebug_sadb_x_sa2: NULL pointer was passed.\n");
444
445	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
446	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
447	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
448	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
449	    sa2->sadb_x_sa2_sequence);
450
451	return;
452}
453
454void
455kdebug_sadb_x_policy(ext)
456	struct sadb_ext *ext;
457{
458	struct sadb_x_policy *xpl = (void *)ext;
459	struct sockaddr *addr;
460
461	/* sanity check */
462	if (ext == NULL)
463		panic("kdebug_sadb_x_policy: NULL pointer was passed.\n");
464
465#ifdef HAVE_PFKEY_POLICY_PRIORITY
466	printf("sadb_x_policy{ type=%u dir=%u id=%x priority=%u }\n",
467#else
468	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
469#endif
470		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
471#ifdef HAVE_PFKEY_POLICY_PRIORITY
472		xpl->sadb_x_policy_id, xpl->sadb_x_policy_priority);
473#else
474		xpl->sadb_x_policy_id);
475#endif
476
477	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
478		int tlen;
479		struct sadb_x_ipsecrequest *xisr;
480
481		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
482		xisr = (void *)(xpl + 1);
483
484		while (tlen > 0) {
485			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
486				xisr->sadb_x_ipsecrequest_len,
487				xisr->sadb_x_ipsecrequest_proto,
488				xisr->sadb_x_ipsecrequest_mode,
489				xisr->sadb_x_ipsecrequest_level,
490				xisr->sadb_x_ipsecrequest_reqid);
491
492			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
493				addr = (void *)(xisr + 1);
494				kdebug_sockaddr(addr);
495				addr = (void *)((caddr_t)(void *)addr
496							+ sysdep_sa_len(addr));
497				kdebug_sockaddr(addr);
498			}
499
500			printf(" }\n");
501
502			/* prevent infinite loop */
503			if (xisr->sadb_x_ipsecrequest_len == 0) {
504				printf("kdebug_sadb_x_policy: wrong policy struct.\n");
505				return;
506			}
507			/* prevent overflow */
508			if (xisr->sadb_x_ipsecrequest_len > tlen) {
509				printf("invalid ipsec policy length\n");
510				return;
511			}
512
513			tlen -= xisr->sadb_x_ipsecrequest_len;
514
515			xisr = (void *)((caddr_t)(void *)xisr
516			                + xisr->sadb_x_ipsecrequest_len);
517		}
518
519		if (tlen != 0)
520			panic("kdebug_sadb_x_policy: wrong policy struct.\n");
521	}
522
523	return;
524}
525
526#ifdef SADB_X_EXT_NAT_T_TYPE
527static void
528kdebug_sadb_x_nat_t_type(struct sadb_ext *ext)
529{
530	struct sadb_x_nat_t_type *ntt = (void *)ext;
531
532	/* sanity check */
533	if (ext == NULL)
534		panic("kdebug_sadb_x_nat_t_type: NULL pointer was passed.\n");
535
536	printf("sadb_x_nat_t_type{ type=%u }\n", ntt->sadb_x_nat_t_type_type);
537
538	return;
539}
540
541static void
542kdebug_sadb_x_nat_t_port(struct sadb_ext *ext)
543{
544	struct sadb_x_nat_t_port *ntp = (void *)ext;
545
546	/* sanity check */
547	if (ext == NULL)
548		panic("kdebug_sadb_x_nat_t_port: NULL pointer was passed.\n");
549
550	printf("sadb_x_nat_t_port{ port=%u }\n", ntohs(ntp->sadb_x_nat_t_port_port));
551
552	return;
553}
554#ifdef SADB_X_EXT_NAT_T_FRAG
555static void kdebug_sadb_x_nat_t_frag (struct sadb_ext *ext)
556{
557	struct sadb_x_nat_t_frag *esp_frag = (void *)ext;
558
559	/* sanity check */
560	if (ext == NULL)
561		panic("kdebug_sadb_x_nat_t_frag: NULL pointer was passed.\n");
562
563	printf("sadb_x_nat_t_frag{ esp_frag=%u }\n", esp_frag->sadb_x_nat_t_frag_fraglen);
564
565	return;
566}
567#endif
568#endif
569
570#ifdef SADB_X_EXT_PACKET
571static void
572kdebug_sadb_x_packet(ext)
573	struct sadb_ext *ext;
574{
575	struct sadb_x_packet *pkt = (struct sadb_x_packet *)ext;
576
577	/* sanity check */
578	if (ext == NULL)
579		panic("kdebug_sadb_x_packet: NULL pointer was passed.\n");
580
581	printf("sadb_x_packet{ copylen=%u\n", pkt->sadb_x_packet_copylen);
582	printf("  packet=");
583	ipsec_hexdump((caddr_t)pkt + sizeof(struct sadb_x_packet),
584		      pkt->sadb_x_packet_copylen);
585	printf(" }\n");
586	return;
587}
588#endif
589
590#ifdef SADB_X_EXT_KMADDRESS
591static void
592kdebug_sadb_x_kmaddress(ext)
593	struct sadb_ext *ext;
594{
595	struct sadb_x_kmaddress *kma = (struct sadb_x_kmaddress *)ext;
596	struct sockaddr * sa;
597	sa_family_t family;
598	int len, sa_len;
599
600	/* sanity check */
601	if (ext == NULL)
602		panic("kdebug_sadb_x_kmaddress: NULL pointer was passed.\n");
603
604	len = (PFKEY_UNUNIT64(kma->sadb_x_kmaddress_len) - sizeof(*kma));
605
606	printf("sadb_x_kmaddress{ reserved=0x%02x%02x%02x%02x }\n",
607	       ((u_char *)(void *)&kma->sadb_x_kmaddress_reserved)[0],
608	       ((u_char *)(void *)&kma->sadb_x_kmaddress_reserved)[1],
609	       ((u_char *)(void *)&kma->sadb_x_kmaddress_reserved)[2],
610	       ((u_char *)(void *)&kma->sadb_x_kmaddress_reserved)[3]);
611
612	sa = (struct sockaddr *)(kma + 1);
613	if (len < sizeof(struct sockaddr) || (sa_len = sysdep_sa_len(sa)) > len)
614		panic("kdebug_sadb_x_kmaddress: not enough data to read"
615		      " first sockaddr.\n");
616	kdebug_sockaddr((void *)sa); /* local address */
617	family = sa->sa_family;
618
619	len -= sa_len;
620	sa = (struct sockaddr *)((char *)sa + sa_len);
621	if (len < sizeof(struct sockaddr) || sysdep_sa_len(sa) > len)
622		panic("kdebug_sadb_x_kmaddress: not enough data to read"
623		      " second sockaddr.\n");
624	kdebug_sockaddr((void *)sa); /* remote address */
625
626	if (family != sa->sa_family)
627		printf("kdebug_sadb_x_kmaddress:  !!!! Please, note the "
628		       "unexpected mismatch in address family.\n");
629}
630#endif
631
632
633#ifdef _KERNEL
634/* %%%: about SPD and SAD */
635void
636kdebug_secpolicy(sp)
637	struct secpolicy *sp;
638{
639	/* sanity check */
640	if (sp == NULL)
641		panic("kdebug_secpolicy: NULL pointer was passed.\n");
642
643	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
644		sp->refcnt, sp->state, sp->policy);
645
646	kdebug_secpolicyindex(&sp->spidx);
647
648	switch (sp->policy) {
649	case IPSEC_POLICY_DISCARD:
650		printf("  type=discard }\n");
651		break;
652	case IPSEC_POLICY_NONE:
653		printf("  type=none }\n");
654		break;
655	case IPSEC_POLICY_IPSEC:
656	    {
657		struct ipsecrequest *isr;
658		for (isr = sp->req; isr != NULL; isr = isr->next) {
659
660			printf("  level=%u\n", isr->level);
661			kdebug_secasindex(&isr->saidx);
662
663			if (isr->sav != NULL)
664				kdebug_secasv(isr->sav);
665		}
666		printf("  }\n");
667	    }
668		break;
669	case IPSEC_POLICY_BYPASS:
670		printf("  type=bypass }\n");
671		break;
672	case IPSEC_POLICY_ENTRUST:
673		printf("  type=entrust }\n");
674		break;
675	default:
676		printf("kdebug_secpolicy: Invalid policy found. %d\n",
677			sp->policy);
678		break;
679	}
680
681	return;
682}
683
684void
685kdebug_secpolicyindex(spidx)
686	struct secpolicyindex *spidx;
687{
688	/* sanity check */
689	if (spidx == NULL)
690		panic("kdebug_secpolicyindex: NULL pointer was passed.\n");
691
692	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
693		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
694
695	ipsec_hexdump((caddr_t)&spidx->src,
696		sysdep_sa_len((struct sockaddr *)&spidx->src));
697	printf("\n");
698	ipsec_hexdump((caddr_t)&spidx->dst,
699		sysdep_sa_len((struct sockaddr *)&spidx->dst));
700	printf("}\n");
701
702	return;
703}
704
705void
706kdebug_secasindex(saidx)
707	struct secasindex *saidx;
708{
709	/* sanity check */
710	if (saidx == NULL)
711		panic("kdebug_secpolicyindex: NULL pointer was passed.\n");
712
713	printf("secasindex{ mode=%u proto=%u\n",
714		saidx->mode, saidx->proto);
715
716	ipsec_hexdump((caddr_t)&saidx->src,
717		sysdep_sa_len((struct sockaddr *)&saidx->src));
718	printf("\n");
719	ipsec_hexdump((caddr_t)&saidx->dst,
720		sysdep_sa_len((struct sockaddr *)&saidx->dst));
721	printf("\n");
722
723	return;
724}
725
726void
727kdebug_secasv(sav)
728	struct secasvar *sav;
729{
730	/* sanity check */
731	if (sav == NULL)
732		panic("kdebug_secasv: NULL pointer was passed.\n");
733
734	printf("secas{");
735	kdebug_secasindex(&sav->sah->saidx);
736
737	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
738	    sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
739	printf("  spi=%u flags=%u\n",
740	    (u_int32_t)ntohl(sav->spi), sav->flags);
741
742	if (sav->key_auth != NULL)
743		kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
744	if (sav->key_enc != NULL)
745		kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
746	if (sav->iv != NULL) {
747		printf("  iv=");
748		ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
749		printf("\n");
750	}
751
752	if (sav->replay != NULL)
753		kdebug_secreplay(sav->replay);
754	if (sav->lft_c != NULL)
755		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
756	if (sav->lft_h != NULL)
757		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
758	if (sav->lft_s != NULL)
759		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
760
761#if notyet
762	/* XXX: misc[123] ? */
763#endif
764
765	return;
766}
767
768static void
769kdebug_secreplay(rpl)
770	struct secreplay *rpl;
771{
772	int len, l;
773
774	/* sanity check */
775	if (rpl == NULL)
776		panic("kdebug_secreplay: NULL pointer was passed.\n");
777
778	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
779	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
780
781	if (rpl->bitmap == NULL) {
782		printf(" }\n");
783		return;
784	}
785
786	printf("\n   bitmap { ");
787
788	for (len = 0; len < rpl->wsize; len++) {
789		for (l = 7; l >= 0; l--)
790			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
791	}
792	printf(" }\n");
793
794	return;
795}
796
797void
798kdebug_mbufhdr(m)
799	struct mbuf *m;
800{
801	/* sanity check */
802	if (m == NULL)
803		return;
804
805	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
806	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
807		m, m->m_next, m->m_nextpkt, m->m_data,
808		m->m_len, m->m_type, m->m_flags);
809
810	if (m->m_flags & M_PKTHDR) {
811		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
812		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
813	}
814
815#ifdef __FreeBSD__
816	if (m->m_flags & M_EXT) {
817		printf("  m_ext{ ext_buf:%p ext_free:%p "
818		       "ext_size:%u ext_ref:%p }\n",
819			m->m_ext.ext_buf, m->m_ext.ext_free,
820			m->m_ext.ext_size, m->m_ext.ext_ref);
821	}
822#endif
823
824	return;
825}
826
827void
828kdebug_mbuf(m0)
829	struct mbuf *m0;
830{
831	struct mbuf *m = m0;
832	int i, j;
833
834	for (j = 0; m; m = m->m_next) {
835		kdebug_mbufhdr(m);
836		printf("  m_data:\n");
837		for (i = 0; i < m->m_len; i++) {
838			if (i && i % 32 == 0)
839				printf("\n");
840			if (i % 4 == 0)
841				printf(" ");
842			printf("%02x", mtod(m, u_char *)[i]);
843			j++;
844		}
845		printf("\n");
846	}
847
848	return;
849}
850#endif /* _KERNEL */
851
852static void
853kdebug_sockaddr(addr)
854	struct sockaddr *addr;
855{
856	struct sockaddr_in *sin4;
857#ifdef INET6
858	struct sockaddr_in6 *sin6;
859#endif
860
861	/* sanity check */
862	if (addr == NULL)
863		panic("kdebug_sockaddr: NULL pointer was passed.\n");
864
865	/* NOTE: We deal with port number as host byte order. */
866	printf("sockaddr{ len=%u family=%u", sysdep_sa_len(addr), addr->sa_family);
867
868	switch (addr->sa_family) {
869	case AF_INET:
870		sin4 = (void *)addr;
871		printf(" port=%u\n", ntohs(sin4->sin_port));
872		ipsec_hexdump(&sin4->sin_addr, sizeof(sin4->sin_addr));
873		break;
874#ifdef INET6
875	case AF_INET6:
876		sin6 = (void *)addr;
877		printf(" port=%u\n", ntohs(sin6->sin6_port));
878		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
879		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
880		ipsec_hexdump(&sin6->sin6_addr, sizeof(sin6->sin6_addr));
881		break;
882#endif
883	}
884
885	printf("  }\n");
886
887	return;
888}
889
890void
891ipsec_bindump(buf, len)
892	caddr_t buf;
893	int len;
894{
895	int i;
896
897	for (i = 0; i < len; i++)
898		printf("%c", (unsigned char)buf[i]);
899
900	return;
901}
902
903
904void
905ipsec_hexdump(buf, len)
906	const void *buf;
907	int len;
908{
909	int i;
910
911	for (i = 0; i < len; i++) {
912		if (i != 0 && i % 32 == 0) printf("\n");
913		if (i % 4 == 0) printf(" ");
914		printf("%02x", ((const unsigned char *)buf)[i]);
915	}
916#if 0
917	if (i % 32 != 0) printf("\n");
918#endif
919
920	return;
921}
922