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[FreeBSD/FreeBSD.git] / sys / netipsec / key_debug.c
1 /*      $FreeBSD$       */
2 /*      $KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $      */
3
4 /*-
5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32
33 #ifdef _KERNEL
34 #include "opt_inet.h"
35 #include "opt_inet6.h"
36 #include "opt_ipsec.h"
37 #endif
38
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #ifdef _KERNEL
42 #include <sys/systm.h>
43 #include <sys/mbuf.h>
44 #include <sys/queue.h>
45 #endif
46 #include <sys/socket.h>
47
48 #include <net/route.h>
49
50 #include <netipsec/key_var.h>
51 #include <netipsec/key_debug.h>
52
53 #include <netinet/in.h>
54 #include <netipsec/ipsec.h>
55
56 #ifndef _KERNEL
57 #include <ctype.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #endif /* !_KERNEL */
61
62 static void kdebug_sadb_prop __P((struct sadb_ext *));
63 static void kdebug_sadb_identity __P((struct sadb_ext *));
64 static void kdebug_sadb_supported __P((struct sadb_ext *));
65 static void kdebug_sadb_lifetime __P((struct sadb_ext *));
66 static void kdebug_sadb_sa __P((struct sadb_ext *));
67 static void kdebug_sadb_address __P((struct sadb_ext *));
68 static void kdebug_sadb_key __P((struct sadb_ext *));
69 static void kdebug_sadb_x_sa2 __P((struct sadb_ext *));
70
71 #ifdef _KERNEL
72 static void kdebug_secreplay __P((struct secreplay *));
73 #endif
74
75 #ifndef _KERNEL
76 #define panic(param)    { printf(param); exit(-1); }
77 #endif
78
79 /* NOTE: host byte order */
80
81 /* %%%: about struct sadb_msg */
82 void
83 kdebug_sadb(base)
84         struct sadb_msg *base;
85 {
86         struct sadb_ext *ext;
87         int tlen, extlen;
88
89         /* sanity check */
90         if (base == NULL)
91                 panic("%s: NULL pointer was passed.\n", __func__);
92
93         printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
94             base->sadb_msg_version, base->sadb_msg_type,
95             base->sadb_msg_errno, base->sadb_msg_satype);
96         printf("  len=%u reserved=%u seq=%u pid=%u\n",
97             base->sadb_msg_len, base->sadb_msg_reserved,
98             base->sadb_msg_seq, base->sadb_msg_pid);
99
100         tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
101         ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
102
103         while (tlen > 0) {
104                 printf("sadb_ext{ len=%u type=%u }\n",
105                     ext->sadb_ext_len, ext->sadb_ext_type);
106
107                 if (ext->sadb_ext_len == 0) {
108                         printf("%s: invalid ext_len=0 was passed.\n", __func__);
109                         return;
110                 }
111                 if (ext->sadb_ext_len > tlen) {
112                         printf("%s: ext_len too big (%u > %u).\n",
113                                 __func__, ext->sadb_ext_len, tlen);
114                         return;
115                 }
116
117                 switch (ext->sadb_ext_type) {
118                 case SADB_EXT_SA:
119                         kdebug_sadb_sa(ext);
120                         break;
121                 case SADB_EXT_LIFETIME_CURRENT:
122                 case SADB_EXT_LIFETIME_HARD:
123                 case SADB_EXT_LIFETIME_SOFT:
124                         kdebug_sadb_lifetime(ext);
125                         break;
126                 case SADB_EXT_ADDRESS_SRC:
127                 case SADB_EXT_ADDRESS_DST:
128                 case SADB_EXT_ADDRESS_PROXY:
129                         kdebug_sadb_address(ext);
130                         break;
131                 case SADB_EXT_KEY_AUTH:
132                 case SADB_EXT_KEY_ENCRYPT:
133                         kdebug_sadb_key(ext);
134                         break;
135                 case SADB_EXT_IDENTITY_SRC:
136                 case SADB_EXT_IDENTITY_DST:
137                         kdebug_sadb_identity(ext);
138                         break;
139                 case SADB_EXT_SENSITIVITY:
140                         break;
141                 case SADB_EXT_PROPOSAL:
142                         kdebug_sadb_prop(ext);
143                         break;
144                 case SADB_EXT_SUPPORTED_AUTH:
145                 case SADB_EXT_SUPPORTED_ENCRYPT:
146                         kdebug_sadb_supported(ext);
147                         break;
148                 case SADB_EXT_SPIRANGE:
149                 case SADB_X_EXT_KMPRIVATE:
150                         break;
151                 case SADB_X_EXT_POLICY:
152                         kdebug_sadb_x_policy(ext);
153                         break;
154                 case SADB_X_EXT_SA2:
155                         kdebug_sadb_x_sa2(ext);
156                         break;
157                 default:
158                         printf("%s: invalid ext_type %u\n", __func__,
159                             ext->sadb_ext_type);
160                         return;
161                 }
162
163                 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
164                 tlen -= extlen;
165                 ext = (struct sadb_ext *)((caddr_t)ext + extlen);
166         }
167
168         return;
169 }
170
171 static void
172 kdebug_sadb_prop(ext)
173         struct sadb_ext *ext;
174 {
175         struct sadb_prop *prop = (struct sadb_prop *)ext;
176         struct sadb_comb *comb;
177         int len;
178
179         /* sanity check */
180         if (ext == NULL)
181                 panic("%s: NULL pointer was passed.\n", __func__);
182
183         len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
184                 / sizeof(*comb);
185         comb = (struct sadb_comb *)(prop + 1);
186         printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
187
188         while (len--) {
189                 printf("sadb_comb{ auth=%u encrypt=%u "
190                         "flags=0x%04x reserved=0x%08x\n",
191                         comb->sadb_comb_auth, comb->sadb_comb_encrypt,
192                         comb->sadb_comb_flags, comb->sadb_comb_reserved);
193
194                 printf("  auth_minbits=%u auth_maxbits=%u "
195                         "encrypt_minbits=%u encrypt_maxbits=%u\n",
196                         comb->sadb_comb_auth_minbits,
197                         comb->sadb_comb_auth_maxbits,
198                         comb->sadb_comb_encrypt_minbits,
199                         comb->sadb_comb_encrypt_maxbits);
200
201                 printf("  soft_alloc=%u hard_alloc=%u "
202                         "soft_bytes=%lu hard_bytes=%lu\n",
203                         comb->sadb_comb_soft_allocations,
204                         comb->sadb_comb_hard_allocations,
205                         (unsigned long)comb->sadb_comb_soft_bytes,
206                         (unsigned long)comb->sadb_comb_hard_bytes);
207
208                 printf("  soft_alloc=%lu hard_alloc=%lu "
209                         "soft_bytes=%lu hard_bytes=%lu }\n",
210                         (unsigned long)comb->sadb_comb_soft_addtime,
211                         (unsigned long)comb->sadb_comb_hard_addtime,
212                         (unsigned long)comb->sadb_comb_soft_usetime,
213                         (unsigned long)comb->sadb_comb_hard_usetime);
214                 comb++;
215         }
216         printf("}\n");
217
218         return;
219 }
220
221 static void
222 kdebug_sadb_identity(ext)
223         struct sadb_ext *ext;
224 {
225         struct sadb_ident *id = (struct sadb_ident *)ext;
226         int len;
227
228         /* sanity check */
229         if (ext == NULL)
230                 panic("%s: NULL pointer was passed.\n", __func__);
231
232         len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
233         printf("sadb_ident_%s{",
234             id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
235         switch (id->sadb_ident_type) {
236         default:
237                 printf(" type=%d id=%lu",
238                         id->sadb_ident_type, (u_long)id->sadb_ident_id);
239                 if (len) {
240 #ifdef _KERNEL
241                         ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
242 #else
243                         char *p, *ep;
244                         printf("\n  str=\"");
245                         p = (char *)(id + 1);
246                         ep = p + len;
247                         for (/*nothing*/; *p && p < ep; p++) {
248                                 if (isprint(*p))
249                                         printf("%c", *p & 0xff);
250                                 else
251                                         printf("\\%03o", *p & 0xff);
252                         }
253 #endif
254                         printf("\"");
255                 }
256                 break;
257         }
258
259         printf(" }\n");
260
261         return;
262 }
263
264 static void
265 kdebug_sadb_supported(ext)
266         struct sadb_ext *ext;
267 {
268         struct sadb_supported *sup = (struct sadb_supported *)ext;
269         struct sadb_alg *alg;
270         int len;
271
272         /* sanity check */
273         if (ext == NULL)
274                 panic("%s: NULL pointer was passed.\n", __func__);
275
276         len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
277                 / sizeof(*alg);
278         alg = (struct sadb_alg *)(sup + 1);
279         printf("sadb_sup{\n");
280         while (len--) {
281                 printf("  { id=%d ivlen=%d min=%d max=%d }\n",
282                         alg->sadb_alg_id, alg->sadb_alg_ivlen,
283                         alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
284                 alg++;
285         }
286         printf("}\n");
287
288         return;
289 }
290
291 static void
292 kdebug_sadb_lifetime(ext)
293         struct sadb_ext *ext;
294 {
295         struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
296
297         /* sanity check */
298         if (ext == NULL)
299                 printf("%s: NULL pointer was passed.\n", __func__);
300
301         printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
302                 lft->sadb_lifetime_allocations,
303                 (u_int32_t)lft->sadb_lifetime_bytes);
304         printf("  addtime=%u, usetime=%u }\n",
305                 (u_int32_t)lft->sadb_lifetime_addtime,
306                 (u_int32_t)lft->sadb_lifetime_usetime);
307
308         return;
309 }
310
311 static void
312 kdebug_sadb_sa(ext)
313         struct sadb_ext *ext;
314 {
315         struct sadb_sa *sa = (struct sadb_sa *)ext;
316
317         /* sanity check */
318         if (ext == NULL)
319                 panic("%s: NULL pointer was passed.\n", __func__);
320
321         printf("sadb_sa{ spi=%u replay=%u state=%u\n",
322             (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
323             sa->sadb_sa_state);
324         printf("  auth=%u encrypt=%u flags=0x%08x }\n",
325             sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
326
327         return;
328 }
329
330 static void
331 kdebug_sadb_address(ext)
332         struct sadb_ext *ext;
333 {
334         struct sadb_address *addr = (struct sadb_address *)ext;
335
336         /* sanity check */
337         if (ext == NULL)
338                 panic("%s: NULL pointer was passed.\n", __func__);
339
340         printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
341             addr->sadb_address_proto, addr->sadb_address_prefixlen,
342             ((u_char *)&addr->sadb_address_reserved)[0],
343             ((u_char *)&addr->sadb_address_reserved)[1]);
344
345         kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
346
347         return;
348 }
349
350 static void
351 kdebug_sadb_key(ext)
352         struct sadb_ext *ext;
353 {
354         struct sadb_key *key = (struct sadb_key *)ext;
355
356         /* sanity check */
357         if (ext == NULL)
358                 panic("%s: NULL pointer was passed.\n", __func__);
359
360         printf("sadb_key{ bits=%u reserved=%u\n",
361             key->sadb_key_bits, key->sadb_key_reserved);
362         printf("  key=");
363
364         /* sanity check 2 */
365         if ((key->sadb_key_bits >> 3) >
366                 (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
367                 printf("%s: key length mismatch, bit:%d len:%ld.\n",
368                         __func__,
369                         key->sadb_key_bits >> 3,
370                         (long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
371         }
372
373         ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
374                       key->sadb_key_bits >> 3);
375         printf(" }\n");
376         return;
377 }
378
379 static void
380 kdebug_sadb_x_sa2(ext)
381         struct sadb_ext *ext;
382 {
383         struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
384
385         /* sanity check */
386         if (ext == NULL)
387                 panic("%s: NULL pointer was passed.\n", __func__);
388
389         printf("sadb_x_sa2{ mode=%u reqid=%u\n",
390             sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
391         printf("  reserved1=%u reserved2=%u sequence=%u }\n",
392             sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
393             sa2->sadb_x_sa2_sequence);
394
395         return;
396 }
397
398 void
399 kdebug_sadb_x_policy(ext)
400         struct sadb_ext *ext;
401 {
402         struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
403         struct sockaddr *addr;
404
405         /* sanity check */
406         if (ext == NULL)
407                 panic("%s: NULL pointer was passed.\n", __func__);
408
409         printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
410                 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
411                 xpl->sadb_x_policy_id);
412
413         if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
414                 int tlen;
415                 struct sadb_x_ipsecrequest *xisr;
416
417                 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
418                 xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
419
420                 while (tlen > 0) {
421                         printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
422                                 xisr->sadb_x_ipsecrequest_len,
423                                 xisr->sadb_x_ipsecrequest_proto,
424                                 xisr->sadb_x_ipsecrequest_mode,
425                                 xisr->sadb_x_ipsecrequest_level,
426                                 xisr->sadb_x_ipsecrequest_reqid);
427
428                         if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
429                                 addr = (struct sockaddr *)(xisr + 1);
430                                 kdebug_sockaddr(addr);
431                                 addr = (struct sockaddr *)((caddr_t)addr
432                                                         + addr->sa_len);
433                                 kdebug_sockaddr(addr);
434                         }
435
436                         printf(" }\n");
437
438                         /* prevent infinite loop */
439                         if (xisr->sadb_x_ipsecrequest_len <= 0) {
440                                 printf("%s: wrong policy struct.\n", __func__);
441                                 return;
442                         }
443                         /* prevent overflow */
444                         if (xisr->sadb_x_ipsecrequest_len > tlen) {
445                                 printf("%s: invalid ipsec policy length "
446                                         "(%u > %u)\n", __func__,
447                                         xisr->sadb_x_ipsecrequest_len, tlen);
448                                 return;
449                         }
450
451                         tlen -= xisr->sadb_x_ipsecrequest_len;
452
453                         xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
454                                         + xisr->sadb_x_ipsecrequest_len);
455                 }
456
457                 if (tlen != 0)
458                         panic("%s: wrong policy struct.\n", __func__);
459         }
460
461         return;
462 }
463
464 #ifdef _KERNEL
465 /* %%%: about SPD and SAD */
466 void
467 kdebug_secpolicy(sp)
468         struct secpolicy *sp;
469 {
470         /* sanity check */
471         if (sp == NULL)
472                 panic("%s: NULL pointer was passed.\n", __func__);
473
474         printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
475                 sp->refcnt, sp->state, sp->policy);
476
477         kdebug_secpolicyindex(&sp->spidx);
478
479         switch (sp->policy) {
480         case IPSEC_POLICY_DISCARD:
481                 printf("  type=discard }\n");
482                 break;
483         case IPSEC_POLICY_NONE:
484                 printf("  type=none }\n");
485                 break;
486         case IPSEC_POLICY_IPSEC:
487             {
488                 struct ipsecrequest *isr;
489                 for (isr = sp->req; isr != NULL; isr = isr->next) {
490
491                         printf("  level=%u\n", isr->level);
492                         kdebug_secasindex(&isr->saidx);
493
494                         if (isr->sav != NULL)
495                                 kdebug_secasv(isr->sav);
496                 }
497                 printf("  }\n");
498             }
499                 break;
500         case IPSEC_POLICY_BYPASS:
501                 printf("  type=bypass }\n");
502                 break;
503         case IPSEC_POLICY_ENTRUST:
504                 printf("  type=entrust }\n");
505                 break;
506         default:
507                 printf("%s: Invalid policy found. %d\n", __func__, sp->policy);
508                 break;
509         }
510
511         return;
512 }
513
514 void
515 kdebug_secpolicyindex(spidx)
516         struct secpolicyindex *spidx;
517 {
518         /* sanity check */
519         if (spidx == NULL)
520                 panic("%s: NULL pointer was passed.\n", __func__);
521
522         printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
523                 spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
524
525         ipsec_hexdump((caddr_t)&spidx->src,
526                 ((struct sockaddr *)&spidx->src)->sa_len);
527         printf("\n");
528         ipsec_hexdump((caddr_t)&spidx->dst,
529                 ((struct sockaddr *)&spidx->dst)->sa_len);
530         printf("}\n");
531
532         return;
533 }
534
535 void
536 kdebug_secasindex(saidx)
537         struct secasindex *saidx;
538 {
539         /* sanity check */
540         if (saidx == NULL)
541                 panic("%s: NULL pointer was passed.\n", __func__);
542
543         printf("secasindex{ mode=%u proto=%u\n",
544                 saidx->mode, saidx->proto);
545
546         ipsec_hexdump((caddr_t)&saidx->src,
547                 ((struct sockaddr *)&saidx->src)->sa_len);
548         printf("\n");
549         ipsec_hexdump((caddr_t)&saidx->dst,
550                 ((struct sockaddr *)&saidx->dst)->sa_len);
551         printf("\n");
552
553         return;
554 }
555
556 void
557 kdebug_secasv(sav)
558         struct secasvar *sav;
559 {
560         /* sanity check */
561         if (sav == NULL)
562                 panic("%s: NULL pointer was passed.\n", __func__);
563
564         printf("secas{");
565         kdebug_secasindex(&sav->sah->saidx);
566
567         printf("  refcnt=%u state=%u auth=%u enc=%u\n",
568             sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
569         printf("  spi=%u flags=%u\n",
570             (u_int32_t)ntohl(sav->spi), sav->flags);
571
572         if (sav->key_auth != NULL)
573                 kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
574         if (sav->key_enc != NULL)
575                 kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
576         if (sav->iv != NULL) {
577                 printf("  iv=");
578                 ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
579                 printf("\n");
580         }
581
582         if (sav->replay != NULL)
583                 kdebug_secreplay(sav->replay);
584         if (sav->lft_c != NULL)
585                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
586         if (sav->lft_h != NULL)
587                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
588         if (sav->lft_s != NULL)
589                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
590
591 #if notyet
592         /* XXX: misc[123] ? */
593 #endif
594
595         return;
596 }
597
598 static void
599 kdebug_secreplay(rpl)
600         struct secreplay *rpl;
601 {
602         int len, l;
603
604         /* sanity check */
605         if (rpl == NULL)
606                 panic("%s: NULL pointer was passed.\n", __func__);
607
608         printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
609             rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
610
611         if (rpl->bitmap == NULL) {
612                 printf(" }\n");
613                 return;
614         }
615
616         printf("\n   bitmap { ");
617
618         for (len = 0; len < rpl->wsize; len++) {
619                 for (l = 7; l >= 0; l--)
620                         printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
621         }
622         printf(" }\n");
623
624         return;
625 }
626
627 void
628 kdebug_mbufhdr(m)
629         struct mbuf *m;
630 {
631         /* sanity check */
632         if (m == NULL)
633                 return;
634
635         printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
636                "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
637                 m, m->m_next, m->m_nextpkt, m->m_data,
638                 m->m_len, m->m_type, m->m_flags);
639
640         if (m->m_flags & M_PKTHDR) {
641                 printf("  m_pkthdr{ len:%d rcvif:%p }\n",
642                     m->m_pkthdr.len, m->m_pkthdr.rcvif);
643         }
644
645         if (m->m_flags & M_EXT) {
646                 printf("  m_ext{ ext_buf:%p ext_free:%p "
647                        "ext_size:%u ref_cnt:%p }\n",
648                         m->m_ext.ext_buf, m->m_ext.ext_free,
649                         m->m_ext.ext_size, m->m_ext.ref_cnt);
650         }
651
652         return;
653 }
654
655 void
656 kdebug_mbuf(m0)
657         struct mbuf *m0;
658 {
659         struct mbuf *m = m0;
660         int i, j;
661
662         for (j = 0; m; m = m->m_next) {
663                 kdebug_mbufhdr(m);
664                 printf("  m_data:\n");
665                 for (i = 0; i < m->m_len; i++) {
666                         if (i && i % 32 == 0)
667                                 printf("\n");
668                         if (i % 4 == 0)
669                                 printf(" ");
670                         printf("%02x", mtod(m, u_char *)[i]);
671                         j++;
672                 }
673                 printf("\n");
674         }
675
676         return;
677 }
678 #endif /* _KERNEL */
679
680 void
681 kdebug_sockaddr(addr)
682         struct sockaddr *addr;
683 {
684         struct sockaddr_in *sin4;
685 #ifdef INET6
686         struct sockaddr_in6 *sin6;
687 #endif
688
689         /* sanity check */
690         if (addr == NULL)
691                 panic("%s: NULL pointer was passed.\n", __func__);
692
693         /* NOTE: We deal with port number as host byte order. */
694         printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
695
696         switch (addr->sa_family) {
697         case AF_INET:
698                 sin4 = (struct sockaddr_in *)addr;
699                 printf(" port=%u\n", ntohs(sin4->sin_port));
700                 ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
701                 break;
702 #ifdef INET6
703         case AF_INET6:
704                 sin6 = (struct sockaddr_in6 *)addr;
705                 printf(" port=%u\n", ntohs(sin6->sin6_port));
706                 printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
707                     sin6->sin6_flowinfo, sin6->sin6_scope_id);
708                 ipsec_hexdump((caddr_t)&sin6->sin6_addr,
709                     sizeof(sin6->sin6_addr));
710                 break;
711 #endif
712         }
713
714         printf("  }\n");
715
716         return;
717 }
718
719 void
720 ipsec_bindump(buf, len)
721         caddr_t buf;
722         int len;
723 {
724         int i;
725
726         for (i = 0; i < len; i++)
727                 printf("%c", (unsigned char)buf[i]);
728
729         return;
730 }
731
732
733 void
734 ipsec_hexdump(buf, len)
735         caddr_t buf;
736         int len;
737 {
738         int i;
739
740         for (i = 0; i < len; i++) {
741                 if (i != 0 && i % 32 == 0) printf("\n");
742                 if (i % 4 == 0) printf(" ");
743                 printf("%02x", (unsigned char)buf[i]);
744         }
745 #if 0
746         if (i % 32 != 0) printf("\n");
747 #endif
748
749         return;
750 }