key_debug.c revision 331722
1/*	$FreeBSD: stable/11/sys/netipsec/key_debug.c 331722 2018-03-29 02:50:57Z eadler $	*/
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/param.h>
40#ifdef _KERNEL
41#include <sys/systm.h>
42#include <sys/lock.h>
43#include <sys/malloc.h>
44#include <sys/mbuf.h>
45#include <sys/mutex.h>
46#include <sys/queue.h>
47#endif
48#include <sys/socket.h>
49
50#include <net/vnet.h>
51
52#include <netipsec/key_var.h>
53#include <netipsec/key_debug.h>
54
55#include <netinet/in.h>
56#include <netipsec/ipsec.h>
57#ifdef _KERNEL
58#include <netipsec/keydb.h>
59#include <netipsec/xform.h>
60#endif
61
62#ifndef _KERNEL
63#include <ctype.h>
64#include <stdio.h>
65#include <stdlib.h>
66#include <arpa/inet.h>
67#endif /* !_KERNEL */
68
69static void kdebug_sadb_prop(struct sadb_ext *);
70static void kdebug_sadb_identity(struct sadb_ext *);
71static void kdebug_sadb_supported(struct sadb_ext *);
72static void kdebug_sadb_lifetime(struct sadb_ext *);
73static void kdebug_sadb_sa(struct sadb_ext *);
74static void kdebug_sadb_address(struct sadb_ext *);
75static void kdebug_sadb_key(struct sadb_ext *);
76static void kdebug_sadb_x_sa2(struct sadb_ext *);
77static void kdebug_sadb_x_sa_replay(struct sadb_ext *);
78static void kdebug_sadb_x_natt(struct sadb_ext *);
79
80#ifndef _KERNEL
81#define panic(fmt, ...)	{ printf(fmt, ## __VA_ARGS__); exit(-1); }
82#endif
83
84/* NOTE: host byte order */
85
86/* %%%: about struct sadb_msg */
87void
88kdebug_sadb(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		case SADB_X_EXT_NAT_T_OAI:
134		case SADB_X_EXT_NAT_T_OAR:
135		case SADB_X_EXT_NEW_ADDRESS_SRC:
136		case SADB_X_EXT_NEW_ADDRESS_DST:
137			kdebug_sadb_address(ext);
138			break;
139		case SADB_EXT_KEY_AUTH:
140		case SADB_EXT_KEY_ENCRYPT:
141			kdebug_sadb_key(ext);
142			break;
143		case SADB_EXT_IDENTITY_SRC:
144		case SADB_EXT_IDENTITY_DST:
145			kdebug_sadb_identity(ext);
146			break;
147		case SADB_EXT_SENSITIVITY:
148			break;
149		case SADB_EXT_PROPOSAL:
150			kdebug_sadb_prop(ext);
151			break;
152		case SADB_EXT_SUPPORTED_AUTH:
153		case SADB_EXT_SUPPORTED_ENCRYPT:
154			kdebug_sadb_supported(ext);
155			break;
156		case SADB_EXT_SPIRANGE:
157		case SADB_X_EXT_KMPRIVATE:
158			break;
159		case SADB_X_EXT_POLICY:
160			kdebug_sadb_x_policy(ext);
161			break;
162		case SADB_X_EXT_SA2:
163			kdebug_sadb_x_sa2(ext);
164			break;
165		case SADB_X_EXT_SA_REPLAY:
166			kdebug_sadb_x_sa_replay(ext);
167			break;
168		case SADB_X_EXT_NAT_T_TYPE:
169		case SADB_X_EXT_NAT_T_SPORT:
170		case SADB_X_EXT_NAT_T_DPORT:
171			kdebug_sadb_x_natt(ext);
172			break;
173		default:
174			printf("%s: invalid ext_type %u\n", __func__,
175			    ext->sadb_ext_type);
176			return;
177		}
178
179		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
180		tlen -= extlen;
181		ext = (struct sadb_ext *)((caddr_t)ext + extlen);
182	}
183
184	return;
185}
186
187static void
188kdebug_sadb_prop(struct sadb_ext *ext)
189{
190	struct sadb_prop *prop = (struct sadb_prop *)ext;
191	struct sadb_comb *comb;
192	int len;
193
194	/* sanity check */
195	if (ext == NULL)
196		panic("%s: NULL pointer was passed.\n", __func__);
197
198	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
199		/ sizeof(*comb);
200	comb = (struct sadb_comb *)(prop + 1);
201	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
202
203	while (len--) {
204		printf("sadb_comb{ auth=%u encrypt=%u "
205			"flags=0x%04x reserved=0x%08x\n",
206			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
207			comb->sadb_comb_flags, comb->sadb_comb_reserved);
208
209		printf("  auth_minbits=%u auth_maxbits=%u "
210			"encrypt_minbits=%u encrypt_maxbits=%u\n",
211			comb->sadb_comb_auth_minbits,
212			comb->sadb_comb_auth_maxbits,
213			comb->sadb_comb_encrypt_minbits,
214			comb->sadb_comb_encrypt_maxbits);
215
216		printf("  soft_alloc=%u hard_alloc=%u "
217			"soft_bytes=%lu hard_bytes=%lu\n",
218			comb->sadb_comb_soft_allocations,
219			comb->sadb_comb_hard_allocations,
220			(unsigned long)comb->sadb_comb_soft_bytes,
221			(unsigned long)comb->sadb_comb_hard_bytes);
222
223		printf("  soft_alloc=%lu hard_alloc=%lu "
224			"soft_bytes=%lu hard_bytes=%lu }\n",
225			(unsigned long)comb->sadb_comb_soft_addtime,
226			(unsigned long)comb->sadb_comb_hard_addtime,
227			(unsigned long)comb->sadb_comb_soft_usetime,
228			(unsigned long)comb->sadb_comb_hard_usetime);
229		comb++;
230	}
231	printf("}\n");
232
233	return;
234}
235
236static void
237kdebug_sadb_identity(struct sadb_ext *ext)
238{
239	struct sadb_ident *id = (struct sadb_ident *)ext;
240	int len;
241
242	/* sanity check */
243	if (ext == NULL)
244		panic("%s: NULL pointer was passed.\n", __func__);
245
246	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
247	printf("sadb_ident_%s{",
248	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
249	switch (id->sadb_ident_type) {
250	default:
251		printf(" type=%d id=%lu",
252			id->sadb_ident_type, (u_long)id->sadb_ident_id);
253		if (len) {
254#ifdef _KERNEL
255			ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
256#else
257			char *p, *ep;
258			printf("\n  str=\"");
259			p = (char *)(id + 1);
260			ep = p + len;
261			for (/*nothing*/; *p && p < ep; p++) {
262				if (isprint(*p))
263					printf("%c", *p & 0xff);
264				else
265					printf("\\%03o", *p & 0xff);
266			}
267#endif
268			printf("\"");
269		}
270		break;
271	}
272
273	printf(" }\n");
274
275	return;
276}
277
278static void
279kdebug_sadb_supported(struct sadb_ext *ext)
280{
281	struct sadb_supported *sup = (struct sadb_supported *)ext;
282	struct sadb_alg *alg;
283	int len;
284
285	/* sanity check */
286	if (ext == NULL)
287		panic("%s: NULL pointer was passed.\n", __func__);
288
289	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
290		/ sizeof(*alg);
291	alg = (struct sadb_alg *)(sup + 1);
292	printf("sadb_sup{\n");
293	while (len--) {
294		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
295			alg->sadb_alg_id, alg->sadb_alg_ivlen,
296			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
297		alg++;
298	}
299	printf("}\n");
300
301	return;
302}
303
304static void
305kdebug_sadb_lifetime(struct sadb_ext *ext)
306{
307	struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
308
309	/* sanity check */
310	if (ext == NULL)
311		panic("%s: NULL pointer was passed.\n", __func__);
312
313	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
314		lft->sadb_lifetime_allocations,
315		(u_int32_t)lft->sadb_lifetime_bytes);
316	printf("  addtime=%u, usetime=%u }\n",
317		(u_int32_t)lft->sadb_lifetime_addtime,
318		(u_int32_t)lft->sadb_lifetime_usetime);
319
320	return;
321}
322
323static void
324kdebug_sadb_sa(struct sadb_ext *ext)
325{
326	struct sadb_sa *sa = (struct sadb_sa *)ext;
327
328	/* sanity check */
329	if (ext == NULL)
330		panic("%s: NULL pointer was passed.\n", __func__);
331
332	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
333	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
334	    sa->sadb_sa_state);
335	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
336	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
337
338	return;
339}
340
341static void
342kdebug_sadb_address(struct sadb_ext *ext)
343{
344	struct sadb_address *addr = (struct sadb_address *)ext;
345
346	/* sanity check */
347	if (ext == NULL)
348		panic("%s: NULL pointer was passed.\n", __func__);
349
350	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
351	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
352	    ((u_char *)&addr->sadb_address_reserved)[0],
353	    ((u_char *)&addr->sadb_address_reserved)[1]);
354
355	kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
356}
357
358static void
359kdebug_sadb_key(struct sadb_ext *ext)
360{
361	struct sadb_key *key = (struct sadb_key *)ext;
362
363	/* sanity check */
364	if (ext == NULL)
365		panic("%s: NULL pointer was passed.\n", __func__);
366
367	printf("sadb_key{ bits=%u reserved=%u\n",
368	    key->sadb_key_bits, key->sadb_key_reserved);
369	printf("  key=");
370
371	/* sanity check 2 */
372	if ((key->sadb_key_bits >> 3) >
373		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
374		printf("%s: key length mismatch, bit:%d len:%ld.\n",
375			__func__,
376			key->sadb_key_bits >> 3,
377			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
378	}
379
380	ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
381	              key->sadb_key_bits >> 3);
382	printf(" }\n");
383	return;
384}
385
386static void
387kdebug_sadb_x_sa2(struct sadb_ext *ext)
388{
389	struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
390
391	/* sanity check */
392	if (ext == NULL)
393		panic("%s: NULL pointer was passed.\n", __func__);
394
395	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
396	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
397	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
398	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
399	    sa2->sadb_x_sa2_sequence);
400
401	return;
402}
403
404static void
405kdebug_sadb_x_sa_replay(struct sadb_ext *ext)
406{
407	struct sadb_x_sa_replay *replay;
408
409	/* sanity check */
410	if (ext == NULL)
411		panic("%s: NULL pointer was passed.\n", __func__);
412
413	replay = (struct sadb_x_sa_replay *)ext;
414	printf("sadb_x_sa_replay{ replay=%u }\n",
415	    replay->sadb_x_sa_replay_replay);
416}
417
418static void
419kdebug_sadb_x_natt(struct sadb_ext *ext)
420{
421	struct sadb_x_nat_t_type *type;
422	struct sadb_x_nat_t_port *port;
423
424	/* sanity check */
425	if (ext == NULL)
426		panic("%s: NULL pointer was passed.\n", __func__);
427
428	if (ext->sadb_ext_type == SADB_X_EXT_NAT_T_TYPE) {
429		type = (struct sadb_x_nat_t_type *)ext;
430		printf("sadb_x_nat_t_type{ type=%u }\n",
431		    type->sadb_x_nat_t_type_type);
432	} else {
433		port = (struct sadb_x_nat_t_port *)ext;
434		printf("sadb_x_nat_t_port{ port=%u }\n",
435		    ntohs(port->sadb_x_nat_t_port_port));
436	}
437}
438
439void
440kdebug_sadb_x_policy(struct sadb_ext *ext)
441{
442	struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
443	struct sockaddr *addr;
444
445	/* sanity check */
446	if (ext == NULL)
447		panic("%s: NULL pointer was passed.\n", __func__);
448
449	printf("sadb_x_policy{ type=%u dir=%u id=%x scope=%u %s=%u }\n",
450		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
451		xpl->sadb_x_policy_id, xpl->sadb_x_policy_scope,
452		xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET ?
453		"ifindex": "priority", xpl->sadb_x_policy_priority);
454
455	if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
456		int tlen;
457		struct sadb_x_ipsecrequest *xisr;
458
459		tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
460		xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
461
462		while (tlen > 0) {
463			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
464				xisr->sadb_x_ipsecrequest_len,
465				xisr->sadb_x_ipsecrequest_proto,
466				xisr->sadb_x_ipsecrequest_mode,
467				xisr->sadb_x_ipsecrequest_level,
468				xisr->sadb_x_ipsecrequest_reqid);
469
470			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
471				addr = (struct sockaddr *)(xisr + 1);
472				kdebug_sockaddr(addr);
473				addr = (struct sockaddr *)((caddr_t)addr
474							+ addr->sa_len);
475				kdebug_sockaddr(addr);
476			}
477
478			printf(" }\n");
479
480			/* prevent infinite loop */
481			if (xisr->sadb_x_ipsecrequest_len <= 0) {
482				printf("%s: wrong policy struct.\n", __func__);
483				return;
484			}
485			/* prevent overflow */
486			if (xisr->sadb_x_ipsecrequest_len > tlen) {
487				printf("%s: invalid ipsec policy length "
488					"(%u > %u)\n", __func__,
489					xisr->sadb_x_ipsecrequest_len, tlen);
490				return;
491			}
492
493			tlen -= xisr->sadb_x_ipsecrequest_len;
494
495			xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
496			                + xisr->sadb_x_ipsecrequest_len);
497		}
498
499		if (tlen != 0)
500			panic("%s: wrong policy struct.\n", __func__);
501	}
502
503	return;
504}
505
506#ifdef _KERNEL
507/* %%%: about SPD and SAD */
508const char*
509kdebug_secpolicy_state(u_int state)
510{
511
512	switch (state) {
513	case IPSEC_SPSTATE_DEAD:
514		return ("dead");
515	case IPSEC_SPSTATE_LARVAL:
516		return ("larval");
517	case IPSEC_SPSTATE_ALIVE:
518		return ("alive");
519	case IPSEC_SPSTATE_PCB:
520		return ("pcb");
521	case IPSEC_SPSTATE_IFNET:
522		return ("ifnet");
523	}
524	return ("unknown");
525}
526
527const char*
528kdebug_secpolicy_policy(u_int policy)
529{
530
531	switch (policy) {
532	case IPSEC_POLICY_DISCARD:
533		return ("discard");
534	case IPSEC_POLICY_NONE:
535		return ("none");
536	case IPSEC_POLICY_IPSEC:
537		return ("ipsec");
538	case IPSEC_POLICY_ENTRUST:
539		return ("entrust");
540	case IPSEC_POLICY_BYPASS:
541		return ("bypass");
542	}
543	return ("unknown");
544}
545
546const char*
547kdebug_secpolicyindex_dir(u_int dir)
548{
549
550	switch (dir) {
551	case IPSEC_DIR_ANY:
552		return ("any");
553	case IPSEC_DIR_INBOUND:
554		return ("in");
555	case IPSEC_DIR_OUTBOUND:
556		return ("out");
557	}
558	return ("unknown");
559}
560
561const char*
562kdebug_ipsecrequest_level(u_int level)
563{
564
565	switch (level) {
566	case IPSEC_LEVEL_DEFAULT:
567		return ("default");
568	case IPSEC_LEVEL_USE:
569		return ("use");
570	case IPSEC_LEVEL_REQUIRE:
571		return ("require");
572	case IPSEC_LEVEL_UNIQUE:
573		return ("unique");
574	}
575	return ("unknown");
576}
577
578const char*
579kdebug_secasindex_mode(u_int mode)
580{
581
582	switch (mode) {
583	case IPSEC_MODE_ANY:
584		return ("any");
585	case IPSEC_MODE_TRANSPORT:
586		return ("transport");
587	case IPSEC_MODE_TUNNEL:
588		return ("tunnel");
589	case IPSEC_MODE_TCPMD5:
590		return ("tcp-md5");
591	}
592	return ("unknown");
593}
594
595const char*
596kdebug_secasv_state(u_int state)
597{
598
599	switch (state) {
600	case SADB_SASTATE_LARVAL:
601		return ("larval");
602	case SADB_SASTATE_MATURE:
603		return ("mature");
604	case SADB_SASTATE_DYING:
605		return ("dying");
606	case SADB_SASTATE_DEAD:
607		return ("dead");
608	}
609	return ("unknown");
610}
611
612static char*
613kdebug_port2str(const struct sockaddr *sa, char *buf, size_t len)
614{
615	uint16_t port;
616
617	IPSEC_ASSERT(sa != NULL, ("null sa"));
618	switch (sa->sa_family) {
619#ifdef INET
620	case AF_INET:
621		port = ntohs(((const struct sockaddr_in *)sa)->sin_port);
622		break;
623#endif
624#ifdef INET6
625	case AF_INET6:
626		port = ntohs(((const struct sockaddr_in6 *)sa)->sin6_port);
627		break;
628#endif
629	default:
630		port = 0;
631	}
632	if (port == 0)
633		return ("*");
634	snprintf(buf, len, "%u", port);
635	return (buf);
636}
637
638void
639kdebug_secpolicy(struct secpolicy *sp)
640{
641	u_int idx;
642
643	IPSEC_ASSERT(sp != NULL, ("null sp"));
644	printf("SP { refcnt=%u id=%u priority=%u state=%s policy=%s\n",
645	    sp->refcnt, sp->id, sp->priority,
646	    kdebug_secpolicy_state(sp->state),
647	    kdebug_secpolicy_policy(sp->policy));
648	kdebug_secpolicyindex(&sp->spidx, "  ");
649	for (idx = 0; idx < sp->tcount; idx++) {
650		printf("  req[%u]{ level=%s ", idx,
651		    kdebug_ipsecrequest_level(sp->req[idx]->level));
652		kdebug_secasindex(&sp->req[idx]->saidx, NULL);
653		printf("  }\n");
654	}
655	printf("}\n");
656}
657
658void
659kdebug_secpolicyindex(struct secpolicyindex *spidx, const char *indent)
660{
661	char buf[IPSEC_ADDRSTRLEN];
662
663	IPSEC_ASSERT(spidx != NULL, ("null spidx"));
664	if (indent != NULL)
665		printf("%s", indent);
666	printf("spidx { dir=%s ul_proto=",
667	    kdebug_secpolicyindex_dir(spidx->dir));
668	if (spidx->ul_proto == IPSEC_ULPROTO_ANY)
669		printf("* ");
670	else
671		printf("%u ", spidx->ul_proto);
672	printf("%s/%u -> ", ipsec_address(&spidx->src, buf, sizeof(buf)),
673	    spidx->prefs);
674	printf("%s/%u }\n", ipsec_address(&spidx->dst, buf, sizeof(buf)),
675	    spidx->prefd);
676}
677
678void
679kdebug_secasindex(const struct secasindex *saidx, const char *indent)
680{
681	char buf[IPSEC_ADDRSTRLEN], port[6];
682
683	IPSEC_ASSERT(saidx != NULL, ("null saidx"));
684	if (indent != NULL)
685		printf("%s", indent);
686	printf("saidx { mode=%s proto=%u reqid=%u ",
687	    kdebug_secasindex_mode(saidx->mode), saidx->proto, saidx->reqid);
688	printf("%s:%s -> ", ipsec_address(&saidx->src, buf, sizeof(buf)),
689	    kdebug_port2str(&saidx->src.sa, port, sizeof(port)));
690	printf("%s:%s }\n", ipsec_address(&saidx->dst, buf, sizeof(buf)),
691	    kdebug_port2str(&saidx->dst.sa, port, sizeof(port)));
692}
693
694static void
695kdebug_sec_lifetime(struct seclifetime *lft, const char *indent)
696{
697
698	IPSEC_ASSERT(lft != NULL, ("null lft"));
699	if (indent != NULL)
700		printf("%s", indent);
701	printf("lifetime { alloc=%u, bytes=%ju addtime=%ju usetime=%ju }\n",
702	    lft->allocations, (uintmax_t)lft->bytes, (uintmax_t)lft->addtime,
703	    (uintmax_t)lft->usetime);
704}
705
706void
707kdebug_secash(struct secashead *sah, const char *indent)
708{
709
710	IPSEC_ASSERT(sah != NULL, ("null sah"));
711	if (indent != NULL)
712		printf("%s", indent);
713	printf("SAH { refcnt=%u state=%s\n", sah->refcnt,
714	    kdebug_secasv_state(sah->state));
715	if (indent != NULL)
716		printf("%s", indent);
717	kdebug_secasindex(&sah->saidx, indent);
718	if (indent != NULL)
719		printf("%s", indent);
720	printf("}\n");
721}
722
723#ifdef IPSEC_DEBUG
724static void
725kdebug_secreplay(struct secreplay *rpl)
726{
727	int len, l;
728
729	IPSEC_ASSERT(rpl != NULL, ("null rpl"));
730	printf(" secreplay{ count=%u bitmap_size=%u wsize=%u seq=%u lastseq=%u",
731	    rpl->count, rpl->bitmap_size, rpl->wsize, rpl->seq, rpl->lastseq);
732
733	if (rpl->bitmap == NULL) {
734		printf("  }\n");
735		return;
736	}
737
738	printf("\n    bitmap { ");
739	for (len = 0; len < rpl->bitmap_size*4; len++) {
740		for (l = 7; l >= 0; l--)
741			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
742	}
743	printf("    }\n");
744}
745#endif /* IPSEC_DEBUG */
746
747static void
748kdebug_secnatt(struct secnatt *natt)
749{
750	char buf[IPSEC_ADDRSTRLEN];
751
752	IPSEC_ASSERT(natt != NULL, ("null natt"));
753	printf("  natt{ sport=%u dport=%u ", ntohs(natt->sport),
754	    ntohs(natt->dport));
755	if (natt->flags & IPSEC_NATT_F_OAI)
756		printf("oai=%s ", ipsec_address(&natt->oai, buf, sizeof(buf)));
757	if (natt->flags & IPSEC_NATT_F_OAR)
758		printf("oar=%s ", ipsec_address(&natt->oar, buf, sizeof(buf)));
759	printf("}\n");
760}
761
762void
763kdebug_secasv(struct secasvar *sav)
764{
765	struct seclifetime lft_c;
766
767	IPSEC_ASSERT(sav != NULL, ("null sav"));
768
769	printf("SA { refcnt=%u spi=%u seq=%u pid=%u flags=0x%x state=%s\n",
770	    sav->refcnt, ntohl(sav->spi), sav->seq, (uint32_t)sav->pid,
771	    sav->flags, kdebug_secasv_state(sav->state));
772	kdebug_secash(sav->sah, "  ");
773
774	lft_c.addtime = sav->created;
775	lft_c.allocations = (uint32_t)counter_u64_fetch(
776	    sav->lft_c_allocations);
777	lft_c.bytes = counter_u64_fetch(sav->lft_c_bytes);
778	lft_c.usetime = sav->firstused;
779	kdebug_sec_lifetime(&lft_c, "  c_");
780	if (sav->lft_h != NULL)
781		kdebug_sec_lifetime(sav->lft_h, "  h_");
782	if (sav->lft_s != NULL)
783		kdebug_sec_lifetime(sav->lft_s, "  s_");
784
785	if (sav->tdb_authalgxform != NULL)
786		printf("  alg_auth=%s\n", sav->tdb_authalgxform->name);
787	if (sav->key_auth != NULL)
788		KEYDBG(DUMP,
789		    kdebug_sadb_key((struct sadb_ext *)sav->key_auth));
790	if (sav->tdb_encalgxform != NULL)
791		printf("  alg_enc=%s\n", sav->tdb_encalgxform->name);
792	if (sav->key_enc != NULL)
793		KEYDBG(DUMP,
794		    kdebug_sadb_key((struct sadb_ext *)sav->key_enc));
795	if (sav->natt != NULL)
796		kdebug_secnatt(sav->natt);
797	if (sav->replay != NULL) {
798		KEYDBG(DUMP,
799		    SECASVAR_LOCK(sav);
800		    kdebug_secreplay(sav->replay);
801		    SECASVAR_UNLOCK(sav));
802	}
803	printf("}\n");
804}
805
806void
807kdebug_mbufhdr(const struct mbuf *m)
808{
809	/* sanity check */
810	if (m == NULL)
811		return;
812
813	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
814	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
815		m, m->m_next, m->m_nextpkt, m->m_data,
816		m->m_len, m->m_type, m->m_flags);
817
818	if (m->m_flags & M_PKTHDR) {
819		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
820		    m->m_pkthdr.len, m->m_pkthdr.rcvif);
821	}
822
823	if (m->m_flags & M_EXT) {
824		printf("  m_ext{ ext_buf:%p ext_free:%p "
825		       "ext_size:%u ext_cnt:%p }\n",
826			m->m_ext.ext_buf, m->m_ext.ext_free,
827			m->m_ext.ext_size, m->m_ext.ext_cnt);
828	}
829
830	return;
831}
832
833void
834kdebug_mbuf(const struct mbuf *m0)
835{
836	const struct mbuf *m = m0;
837	int i, j;
838
839	for (j = 0; m; m = m->m_next) {
840		kdebug_mbufhdr(m);
841		printf("  m_data:\n");
842		for (i = 0; i < m->m_len; i++) {
843			if (i && i % 32 == 0)
844				printf("\n");
845			if (i % 4 == 0)
846				printf(" ");
847			printf("%02x", mtod(m, const u_char *)[i]);
848			j++;
849		}
850		printf("\n");
851	}
852
853	return;
854}
855
856/* Return a printable string for the address. */
857char *
858ipsec_address(const union sockaddr_union* sa, char *buf, socklen_t size)
859{
860
861	switch (sa->sa.sa_family) {
862#ifdef INET
863	case AF_INET:
864		return (inet_ntop(AF_INET, &sa->sin.sin_addr, buf, size));
865#endif /* INET */
866#ifdef INET6
867	case AF_INET6:
868		if (IN6_IS_SCOPE_LINKLOCAL(&sa->sin6.sin6_addr)) {
869			snprintf(buf, size, "%s%%%u", inet_ntop(AF_INET6,
870			    &sa->sin6.sin6_addr, buf, size),
871			    sa->sin6.sin6_scope_id);
872			return (buf);
873		} else
874			return (inet_ntop(AF_INET6, &sa->sin6.sin6_addr,
875			    buf, size));
876#endif /* INET6 */
877	case 0:
878		return ("*");
879	default:
880		return ("(unknown address family)");
881	}
882}
883
884char *
885ipsec_sa2str(struct secasvar *sav, char *buf, size_t size)
886{
887	char sbuf[IPSEC_ADDRSTRLEN], dbuf[IPSEC_ADDRSTRLEN];
888
889	snprintf(buf, size, "SA(SPI=%08lx src=%s dst=%s)",
890	    (u_long)ntohl(sav->spi),
891	    ipsec_address(&sav->sah->saidx.src, sbuf, sizeof(sbuf)),
892	    ipsec_address(&sav->sah->saidx.dst, dbuf, sizeof(dbuf)));
893	return (buf);
894}
895
896#endif /* _KERNEL */
897
898void
899kdebug_sockaddr(struct sockaddr *addr)
900{
901	char buf[IPSEC_ADDRSTRLEN];
902
903	/* sanity check */
904	if (addr == NULL)
905		panic("%s: NULL pointer was passed.\n", __func__);
906
907	switch (addr->sa_family) {
908#ifdef INET
909	case AF_INET: {
910		struct sockaddr_in *sin;
911
912		sin = (struct sockaddr_in *)addr;
913		inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
914		break;
915	}
916#endif
917#ifdef INET6
918	case AF_INET6: {
919		struct sockaddr_in6 *sin6;
920
921		sin6 = (struct sockaddr_in6 *)addr;
922		if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
923			snprintf(buf, sizeof(buf), "%s%%%u",
924			    inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
925			    sizeof(buf)), sin6->sin6_scope_id);
926		} else
927			inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
928			    sizeof(buf));
929		break;
930	}
931#endif
932	default:
933		sprintf(buf, "unknown");
934	}
935	printf("sockaddr{ len=%u family=%u addr=%s }\n", addr->sa_len,
936	    addr->sa_family, buf);
937}
938
939void
940ipsec_bindump(caddr_t buf, int len)
941{
942	int i;
943
944	for (i = 0; i < len; i++)
945		printf("%c", (unsigned char)buf[i]);
946
947	return;
948}
949
950
951void
952ipsec_hexdump(caddr_t buf, int len)
953{
954	int i;
955
956	for (i = 0; i < len; i++) {
957		if (i != 0 && i % 32 == 0) printf("\n");
958		if (i % 4 == 0) printf(" ");
959		printf("%02x", (unsigned char)buf[i]);
960	}
961#if 0
962	if (i % 32 != 0) printf("\n");
963#endif
964
965	return;
966}
967