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/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
69 static void kdebug_sadb_prop(struct sadb_ext *);
70 static void kdebug_sadb_identity(struct sadb_ext *);
71 static void kdebug_sadb_supported(struct sadb_ext *);
72 static void kdebug_sadb_lifetime(struct sadb_ext *);
73 static void kdebug_sadb_sa(struct sadb_ext *);
74 static void kdebug_sadb_address(struct sadb_ext *);
75 static void kdebug_sadb_key(struct sadb_ext *);
76 static void kdebug_sadb_x_sa2(struct sadb_ext *);
77 static void kdebug_sadb_x_sa_replay(struct sadb_ext *);
78 static 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 static const char*
kdebug_sadb_type(uint8_t type)87 kdebug_sadb_type(uint8_t type)
88 {
89 #define SADB_NAME(n) case SADB_ ## n: return (#n)
90
91 switch (type) {
92 SADB_NAME(RESERVED);
93 SADB_NAME(GETSPI);
94 SADB_NAME(UPDATE);
95 SADB_NAME(ADD);
96 SADB_NAME(DELETE);
97 SADB_NAME(GET);
98 SADB_NAME(ACQUIRE);
99 SADB_NAME(REGISTER);
100 SADB_NAME(EXPIRE);
101 SADB_NAME(FLUSH);
102 SADB_NAME(DUMP);
103 SADB_NAME(X_PROMISC);
104 SADB_NAME(X_PCHANGE);
105 SADB_NAME(X_SPDUPDATE);
106 SADB_NAME(X_SPDADD);
107 SADB_NAME(X_SPDDELETE);
108 SADB_NAME(X_SPDGET);
109 SADB_NAME(X_SPDACQUIRE);
110 SADB_NAME(X_SPDDUMP);
111 SADB_NAME(X_SPDFLUSH);
112 SADB_NAME(X_SPDSETIDX);
113 SADB_NAME(X_SPDEXPIRE);
114 SADB_NAME(X_SPDDELETE2);
115 default:
116 return ("UNKNOWN");
117 }
118 #undef SADB_NAME
119 }
120
121 static const char*
kdebug_sadb_exttype(uint16_t type)122 kdebug_sadb_exttype(uint16_t type)
123 {
124 #define EXT_NAME(n) case SADB_EXT_ ## n: return (#n)
125 #define X_NAME(n) case SADB_X_EXT_ ## n: return (#n)
126
127 switch (type) {
128 EXT_NAME(RESERVED);
129 EXT_NAME(SA);
130 EXT_NAME(LIFETIME_CURRENT);
131 EXT_NAME(LIFETIME_HARD);
132 EXT_NAME(LIFETIME_SOFT);
133 EXT_NAME(ADDRESS_SRC);
134 EXT_NAME(ADDRESS_DST);
135 EXT_NAME(ADDRESS_PROXY);
136 EXT_NAME(KEY_AUTH);
137 EXT_NAME(KEY_ENCRYPT);
138 EXT_NAME(IDENTITY_SRC);
139 EXT_NAME(IDENTITY_DST);
140 EXT_NAME(SENSITIVITY);
141 EXT_NAME(PROPOSAL);
142 EXT_NAME(SUPPORTED_AUTH);
143 EXT_NAME(SUPPORTED_ENCRYPT);
144 EXT_NAME(SPIRANGE);
145 X_NAME(KMPRIVATE);
146 X_NAME(POLICY);
147 X_NAME(SA2);
148 X_NAME(NAT_T_TYPE);
149 X_NAME(NAT_T_SPORT);
150 X_NAME(NAT_T_DPORT);
151 X_NAME(NAT_T_OAI);
152 X_NAME(NAT_T_OAR);
153 X_NAME(NAT_T_FRAG);
154 X_NAME(SA_REPLAY);
155 X_NAME(NEW_ADDRESS_SRC);
156 X_NAME(NEW_ADDRESS_DST);
157 default:
158 return ("UNKNOWN");
159 };
160 #undef EXT_NAME
161 #undef X_NAME
162 }
163
164
165 /* %%%: about struct sadb_msg */
166 void
kdebug_sadb(struct sadb_msg * base)167 kdebug_sadb(struct sadb_msg *base)
168 {
169 struct sadb_ext *ext;
170 int tlen, extlen;
171
172 /* sanity check */
173 if (base == NULL)
174 panic("%s: NULL pointer was passed.\n", __func__);
175
176 printf("sadb_msg{ version=%u type=%u(%s) errno=%u satype=%u\n",
177 base->sadb_msg_version, base->sadb_msg_type,
178 kdebug_sadb_type(base->sadb_msg_type),
179 base->sadb_msg_errno, base->sadb_msg_satype);
180 printf(" len=%u reserved=%u seq=%u pid=%u\n",
181 base->sadb_msg_len, base->sadb_msg_reserved,
182 base->sadb_msg_seq, base->sadb_msg_pid);
183
184 tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
185 ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
186
187 while (tlen > 0) {
188 printf("sadb_ext{ len=%u type=%u(%s) }\n",
189 ext->sadb_ext_len, ext->sadb_ext_type,
190 kdebug_sadb_exttype(ext->sadb_ext_type));
191
192 if (ext->sadb_ext_len == 0) {
193 printf("%s: invalid ext_len=0 was passed.\n", __func__);
194 return;
195 }
196 if (ext->sadb_ext_len > tlen) {
197 printf("%s: ext_len too big (%u > %u).\n",
198 __func__, ext->sadb_ext_len, tlen);
199 return;
200 }
201
202 switch (ext->sadb_ext_type) {
203 case SADB_EXT_SA:
204 kdebug_sadb_sa(ext);
205 break;
206 case SADB_EXT_LIFETIME_CURRENT:
207 case SADB_EXT_LIFETIME_HARD:
208 case SADB_EXT_LIFETIME_SOFT:
209 kdebug_sadb_lifetime(ext);
210 break;
211 case SADB_EXT_ADDRESS_SRC:
212 case SADB_EXT_ADDRESS_DST:
213 case SADB_EXT_ADDRESS_PROXY:
214 case SADB_X_EXT_NAT_T_OAI:
215 case SADB_X_EXT_NAT_T_OAR:
216 case SADB_X_EXT_NEW_ADDRESS_SRC:
217 case SADB_X_EXT_NEW_ADDRESS_DST:
218 kdebug_sadb_address(ext);
219 break;
220 case SADB_EXT_KEY_AUTH:
221 case SADB_EXT_KEY_ENCRYPT:
222 kdebug_sadb_key(ext);
223 break;
224 case SADB_EXT_IDENTITY_SRC:
225 case SADB_EXT_IDENTITY_DST:
226 kdebug_sadb_identity(ext);
227 break;
228 case SADB_EXT_SENSITIVITY:
229 break;
230 case SADB_EXT_PROPOSAL:
231 kdebug_sadb_prop(ext);
232 break;
233 case SADB_EXT_SUPPORTED_AUTH:
234 case SADB_EXT_SUPPORTED_ENCRYPT:
235 kdebug_sadb_supported(ext);
236 break;
237 case SADB_EXT_SPIRANGE:
238 case SADB_X_EXT_KMPRIVATE:
239 break;
240 case SADB_X_EXT_POLICY:
241 kdebug_sadb_x_policy(ext);
242 break;
243 case SADB_X_EXT_SA2:
244 kdebug_sadb_x_sa2(ext);
245 break;
246 case SADB_X_EXT_SA_REPLAY:
247 kdebug_sadb_x_sa_replay(ext);
248 break;
249 case SADB_X_EXT_NAT_T_TYPE:
250 case SADB_X_EXT_NAT_T_SPORT:
251 case SADB_X_EXT_NAT_T_DPORT:
252 kdebug_sadb_x_natt(ext);
253 break;
254 default:
255 printf("%s: invalid ext_type %u\n", __func__,
256 ext->sadb_ext_type);
257 return;
258 }
259
260 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
261 tlen -= extlen;
262 ext = (struct sadb_ext *)((caddr_t)ext + extlen);
263 }
264
265 return;
266 }
267
268 static void
kdebug_sadb_prop(struct sadb_ext * ext)269 kdebug_sadb_prop(struct sadb_ext *ext)
270 {
271 struct sadb_prop *prop = (struct sadb_prop *)ext;
272 struct sadb_comb *comb;
273 int len;
274
275 /* sanity check */
276 if (ext == NULL)
277 panic("%s: NULL pointer was passed.\n", __func__);
278
279 len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
280 / sizeof(*comb);
281 comb = (struct sadb_comb *)(prop + 1);
282 printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
283
284 while (len--) {
285 printf("sadb_comb{ auth=%u encrypt=%u "
286 "flags=0x%04x reserved=0x%08x\n",
287 comb->sadb_comb_auth, comb->sadb_comb_encrypt,
288 comb->sadb_comb_flags, comb->sadb_comb_reserved);
289
290 printf(" auth_minbits=%u auth_maxbits=%u "
291 "encrypt_minbits=%u encrypt_maxbits=%u\n",
292 comb->sadb_comb_auth_minbits,
293 comb->sadb_comb_auth_maxbits,
294 comb->sadb_comb_encrypt_minbits,
295 comb->sadb_comb_encrypt_maxbits);
296
297 printf(" soft_alloc=%u hard_alloc=%u "
298 "soft_bytes=%lu hard_bytes=%lu\n",
299 comb->sadb_comb_soft_allocations,
300 comb->sadb_comb_hard_allocations,
301 (unsigned long)comb->sadb_comb_soft_bytes,
302 (unsigned long)comb->sadb_comb_hard_bytes);
303
304 printf(" soft_alloc=%lu hard_alloc=%lu "
305 "soft_bytes=%lu hard_bytes=%lu }\n",
306 (unsigned long)comb->sadb_comb_soft_addtime,
307 (unsigned long)comb->sadb_comb_hard_addtime,
308 (unsigned long)comb->sadb_comb_soft_usetime,
309 (unsigned long)comb->sadb_comb_hard_usetime);
310 comb++;
311 }
312 printf("}\n");
313
314 return;
315 }
316
317 static void
kdebug_sadb_identity(struct sadb_ext * ext)318 kdebug_sadb_identity(struct sadb_ext *ext)
319 {
320 struct sadb_ident *id = (struct sadb_ident *)ext;
321 int len;
322
323 /* sanity check */
324 if (ext == NULL)
325 panic("%s: NULL pointer was passed.\n", __func__);
326
327 len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
328 printf("sadb_ident_%s{",
329 id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
330 switch (id->sadb_ident_type) {
331 default:
332 printf(" type=%d id=%lu",
333 id->sadb_ident_type, (u_long)id->sadb_ident_id);
334 if (len) {
335 #ifdef _KERNEL
336 ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
337 #else
338 char *p, *ep;
339 printf("\n str=\"");
340 p = (char *)(id + 1);
341 ep = p + len;
342 for (/*nothing*/; *p && p < ep; p++) {
343 if (isprint(*p))
344 printf("%c", *p & 0xff);
345 else
346 printf("\\%03o", *p & 0xff);
347 }
348 #endif
349 printf("\"");
350 }
351 break;
352 }
353
354 printf(" }\n");
355
356 return;
357 }
358
359 static void
kdebug_sadb_supported(struct sadb_ext * ext)360 kdebug_sadb_supported(struct sadb_ext *ext)
361 {
362 struct sadb_supported *sup = (struct sadb_supported *)ext;
363 struct sadb_alg *alg;
364 int len;
365
366 /* sanity check */
367 if (ext == NULL)
368 panic("%s: NULL pointer was passed.\n", __func__);
369
370 len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
371 / sizeof(*alg);
372 alg = (struct sadb_alg *)(sup + 1);
373 printf("sadb_sup{\n");
374 while (len--) {
375 printf(" { id=%d ivlen=%d min=%d max=%d }\n",
376 alg->sadb_alg_id, alg->sadb_alg_ivlen,
377 alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
378 alg++;
379 }
380 printf("}\n");
381
382 return;
383 }
384
385 static void
kdebug_sadb_lifetime(struct sadb_ext * ext)386 kdebug_sadb_lifetime(struct sadb_ext *ext)
387 {
388 struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
389
390 /* sanity check */
391 if (ext == NULL)
392 panic("%s: NULL pointer was passed.\n", __func__);
393
394 printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
395 lft->sadb_lifetime_allocations,
396 (u_int32_t)lft->sadb_lifetime_bytes);
397 printf(" addtime=%u, usetime=%u }\n",
398 (u_int32_t)lft->sadb_lifetime_addtime,
399 (u_int32_t)lft->sadb_lifetime_usetime);
400
401 return;
402 }
403
404 static void
kdebug_sadb_sa(struct sadb_ext * ext)405 kdebug_sadb_sa(struct sadb_ext *ext)
406 {
407 struct sadb_sa *sa = (struct sadb_sa *)ext;
408
409 /* sanity check */
410 if (ext == NULL)
411 panic("%s: NULL pointer was passed.\n", __func__);
412
413 printf("sadb_sa{ spi=%u replay=%u state=%u\n",
414 (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
415 sa->sadb_sa_state);
416 printf(" auth=%u encrypt=%u flags=0x%08x }\n",
417 sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
418
419 return;
420 }
421
422 static void
kdebug_sadb_address(struct sadb_ext * ext)423 kdebug_sadb_address(struct sadb_ext *ext)
424 {
425 struct sadb_address *addr = (struct sadb_address *)ext;
426
427 /* sanity check */
428 if (ext == NULL)
429 panic("%s: NULL pointer was passed.\n", __func__);
430
431 printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
432 addr->sadb_address_proto, addr->sadb_address_prefixlen,
433 ((u_char *)&addr->sadb_address_reserved)[0],
434 ((u_char *)&addr->sadb_address_reserved)[1]);
435
436 kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
437 }
438
439 static void
kdebug_sadb_key(struct sadb_ext * ext)440 kdebug_sadb_key(struct sadb_ext *ext)
441 {
442 struct sadb_key *key = (struct sadb_key *)ext;
443
444 /* sanity check */
445 if (ext == NULL)
446 panic("%s: NULL pointer was passed.\n", __func__);
447
448 printf("sadb_key{ bits=%u reserved=%u\n",
449 key->sadb_key_bits, key->sadb_key_reserved);
450 printf(" key=");
451
452 /* sanity check 2 */
453 if ((key->sadb_key_bits >> 3) >
454 (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
455 printf("%s: key length mismatch, bit:%d len:%ld.\n",
456 __func__,
457 key->sadb_key_bits >> 3,
458 (long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
459 }
460
461 ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
462 key->sadb_key_bits >> 3);
463 printf(" }\n");
464 return;
465 }
466
467 static void
kdebug_sadb_x_sa2(struct sadb_ext * ext)468 kdebug_sadb_x_sa2(struct sadb_ext *ext)
469 {
470 struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
471
472 /* sanity check */
473 if (ext == NULL)
474 panic("%s: NULL pointer was passed.\n", __func__);
475
476 printf("sadb_x_sa2{ mode=%u reqid=%u\n",
477 sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
478 printf(" reserved1=%u reserved2=%u sequence=%u }\n",
479 sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
480 sa2->sadb_x_sa2_sequence);
481
482 return;
483 }
484
485 static void
kdebug_sadb_x_sa_replay(struct sadb_ext * ext)486 kdebug_sadb_x_sa_replay(struct sadb_ext *ext)
487 {
488 struct sadb_x_sa_replay *replay;
489
490 /* sanity check */
491 if (ext == NULL)
492 panic("%s: NULL pointer was passed.\n", __func__);
493
494 replay = (struct sadb_x_sa_replay *)ext;
495 printf("sadb_x_sa_replay{ replay=%u }\n",
496 replay->sadb_x_sa_replay_replay);
497 }
498
499 static void
kdebug_sadb_x_natt(struct sadb_ext * ext)500 kdebug_sadb_x_natt(struct sadb_ext *ext)
501 {
502 struct sadb_x_nat_t_type *type;
503 struct sadb_x_nat_t_port *port;
504
505 /* sanity check */
506 if (ext == NULL)
507 panic("%s: NULL pointer was passed.\n", __func__);
508
509 if (ext->sadb_ext_type == SADB_X_EXT_NAT_T_TYPE) {
510 type = (struct sadb_x_nat_t_type *)ext;
511 printf("sadb_x_nat_t_type{ type=%u }\n",
512 type->sadb_x_nat_t_type_type);
513 } else {
514 port = (struct sadb_x_nat_t_port *)ext;
515 printf("sadb_x_nat_t_port{ port=%u }\n",
516 ntohs(port->sadb_x_nat_t_port_port));
517 }
518 }
519
520 void
kdebug_sadb_x_policy(struct sadb_ext * ext)521 kdebug_sadb_x_policy(struct sadb_ext *ext)
522 {
523 struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
524 struct sockaddr *addr;
525
526 /* sanity check */
527 if (ext == NULL)
528 panic("%s: NULL pointer was passed.\n", __func__);
529
530 printf("sadb_x_policy{ type=%u dir=%u id=%x scope=%u %s=%u }\n",
531 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
532 xpl->sadb_x_policy_id, xpl->sadb_x_policy_scope,
533 xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET ?
534 "ifindex": "priority", xpl->sadb_x_policy_priority);
535
536 if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
537 int tlen;
538 struct sadb_x_ipsecrequest *xisr;
539
540 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
541 xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
542
543 while (tlen > 0) {
544 printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
545 xisr->sadb_x_ipsecrequest_len,
546 xisr->sadb_x_ipsecrequest_proto,
547 xisr->sadb_x_ipsecrequest_mode,
548 xisr->sadb_x_ipsecrequest_level,
549 xisr->sadb_x_ipsecrequest_reqid);
550
551 if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
552 addr = (struct sockaddr *)(xisr + 1);
553 kdebug_sockaddr(addr);
554 addr = (struct sockaddr *)((caddr_t)addr
555 + addr->sa_len);
556 kdebug_sockaddr(addr);
557 }
558
559 printf(" }\n");
560
561 /* prevent infinite loop */
562 if (xisr->sadb_x_ipsecrequest_len <= 0) {
563 printf("%s: wrong policy struct.\n", __func__);
564 return;
565 }
566 /* prevent overflow */
567 if (xisr->sadb_x_ipsecrequest_len > tlen) {
568 printf("%s: invalid ipsec policy length "
569 "(%u > %u)\n", __func__,
570 xisr->sadb_x_ipsecrequest_len, tlen);
571 return;
572 }
573
574 tlen -= xisr->sadb_x_ipsecrequest_len;
575
576 xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
577 + xisr->sadb_x_ipsecrequest_len);
578 }
579
580 if (tlen != 0)
581 panic("%s: wrong policy struct.\n", __func__);
582 }
583
584 return;
585 }
586
587 #ifdef _KERNEL
588 /* %%%: about SPD and SAD */
589 const char*
kdebug_secpolicy_state(u_int state)590 kdebug_secpolicy_state(u_int state)
591 {
592
593 switch (state) {
594 case IPSEC_SPSTATE_DEAD:
595 return ("dead");
596 case IPSEC_SPSTATE_LARVAL:
597 return ("larval");
598 case IPSEC_SPSTATE_ALIVE:
599 return ("alive");
600 case IPSEC_SPSTATE_PCB:
601 return ("pcb");
602 case IPSEC_SPSTATE_IFNET:
603 return ("ifnet");
604 }
605 return ("unknown");
606 }
607
608 const char*
kdebug_secpolicy_policy(u_int policy)609 kdebug_secpolicy_policy(u_int policy)
610 {
611
612 switch (policy) {
613 case IPSEC_POLICY_DISCARD:
614 return ("discard");
615 case IPSEC_POLICY_NONE:
616 return ("none");
617 case IPSEC_POLICY_IPSEC:
618 return ("ipsec");
619 case IPSEC_POLICY_ENTRUST:
620 return ("entrust");
621 case IPSEC_POLICY_BYPASS:
622 return ("bypass");
623 }
624 return ("unknown");
625 }
626
627 const char*
kdebug_secpolicyindex_dir(u_int dir)628 kdebug_secpolicyindex_dir(u_int dir)
629 {
630
631 switch (dir) {
632 case IPSEC_DIR_ANY:
633 return ("any");
634 case IPSEC_DIR_INBOUND:
635 return ("in");
636 case IPSEC_DIR_OUTBOUND:
637 return ("out");
638 }
639 return ("unknown");
640 }
641
642 const char*
kdebug_ipsecrequest_level(u_int level)643 kdebug_ipsecrequest_level(u_int level)
644 {
645
646 switch (level) {
647 case IPSEC_LEVEL_DEFAULT:
648 return ("default");
649 case IPSEC_LEVEL_USE:
650 return ("use");
651 case IPSEC_LEVEL_REQUIRE:
652 return ("require");
653 case IPSEC_LEVEL_UNIQUE:
654 return ("unique");
655 }
656 return ("unknown");
657 }
658
659 const char*
kdebug_secasindex_mode(u_int mode)660 kdebug_secasindex_mode(u_int mode)
661 {
662
663 switch (mode) {
664 case IPSEC_MODE_ANY:
665 return ("any");
666 case IPSEC_MODE_TRANSPORT:
667 return ("transport");
668 case IPSEC_MODE_TUNNEL:
669 return ("tunnel");
670 case IPSEC_MODE_TCPMD5:
671 return ("tcp-md5");
672 }
673 return ("unknown");
674 }
675
676 const char*
kdebug_secasv_state(u_int state)677 kdebug_secasv_state(u_int state)
678 {
679
680 switch (state) {
681 case SADB_SASTATE_LARVAL:
682 return ("larval");
683 case SADB_SASTATE_MATURE:
684 return ("mature");
685 case SADB_SASTATE_DYING:
686 return ("dying");
687 case SADB_SASTATE_DEAD:
688 return ("dead");
689 }
690 return ("unknown");
691 }
692
693 static char*
kdebug_port2str(const struct sockaddr * sa,char * buf,size_t len)694 kdebug_port2str(const struct sockaddr *sa, char *buf, size_t len)
695 {
696 uint16_t port;
697
698 IPSEC_ASSERT(sa != NULL, ("null sa"));
699 switch (sa->sa_family) {
700 #ifdef INET
701 case AF_INET:
702 port = ntohs(((const struct sockaddr_in *)sa)->sin_port);
703 break;
704 #endif
705 #ifdef INET6
706 case AF_INET6:
707 port = ntohs(((const struct sockaddr_in6 *)sa)->sin6_port);
708 break;
709 #endif
710 default:
711 port = 0;
712 }
713 if (port == 0)
714 return ("*");
715 snprintf(buf, len, "%u", port);
716 return (buf);
717 }
718
719 void
kdebug_secpolicy(struct secpolicy * sp)720 kdebug_secpolicy(struct secpolicy *sp)
721 {
722 u_int idx;
723
724 IPSEC_ASSERT(sp != NULL, ("null sp"));
725 printf("SP { refcnt=%u id=%u priority=%u state=%s policy=%s\n",
726 sp->refcnt, sp->id, sp->priority,
727 kdebug_secpolicy_state(sp->state),
728 kdebug_secpolicy_policy(sp->policy));
729 kdebug_secpolicyindex(&sp->spidx, " ");
730 for (idx = 0; idx < sp->tcount; idx++) {
731 printf(" req[%u]{ level=%s ", idx,
732 kdebug_ipsecrequest_level(sp->req[idx]->level));
733 kdebug_secasindex(&sp->req[idx]->saidx, NULL);
734 printf(" }\n");
735 }
736 printf("}\n");
737 }
738
739 void
kdebug_secpolicyindex(struct secpolicyindex * spidx,const char * indent)740 kdebug_secpolicyindex(struct secpolicyindex *spidx, const char *indent)
741 {
742 char buf[IPSEC_ADDRSTRLEN];
743
744 IPSEC_ASSERT(spidx != NULL, ("null spidx"));
745 if (indent != NULL)
746 printf("%s", indent);
747 printf("spidx { dir=%s ul_proto=",
748 kdebug_secpolicyindex_dir(spidx->dir));
749 if (spidx->ul_proto == IPSEC_ULPROTO_ANY)
750 printf("* ");
751 else
752 printf("%u ", spidx->ul_proto);
753 printf("%s/%u -> ", ipsec_address(&spidx->src, buf, sizeof(buf)),
754 spidx->prefs);
755 printf("%s/%u }\n", ipsec_address(&spidx->dst, buf, sizeof(buf)),
756 spidx->prefd);
757 }
758
759 void
kdebug_secasindex(const struct secasindex * saidx,const char * indent)760 kdebug_secasindex(const struct secasindex *saidx, const char *indent)
761 {
762 char buf[IPSEC_ADDRSTRLEN], port[6];
763
764 IPSEC_ASSERT(saidx != NULL, ("null saidx"));
765 if (indent != NULL)
766 printf("%s", indent);
767 printf("saidx { mode=%s proto=%u reqid=%u ",
768 kdebug_secasindex_mode(saidx->mode), saidx->proto, saidx->reqid);
769 printf("%s:%s -> ", ipsec_address(&saidx->src, buf, sizeof(buf)),
770 kdebug_port2str(&saidx->src.sa, port, sizeof(port)));
771 printf("%s:%s }\n", ipsec_address(&saidx->dst, buf, sizeof(buf)),
772 kdebug_port2str(&saidx->dst.sa, port, sizeof(port)));
773 }
774
775 static void
kdebug_sec_lifetime(struct seclifetime * lft,const char * indent)776 kdebug_sec_lifetime(struct seclifetime *lft, const char *indent)
777 {
778
779 IPSEC_ASSERT(lft != NULL, ("null lft"));
780 if (indent != NULL)
781 printf("%s", indent);
782 printf("lifetime { alloc=%u, bytes=%ju addtime=%ju usetime=%ju }\n",
783 lft->allocations, (uintmax_t)lft->bytes, (uintmax_t)lft->addtime,
784 (uintmax_t)lft->usetime);
785 }
786
787 void
kdebug_secash(struct secashead * sah,const char * indent)788 kdebug_secash(struct secashead *sah, const char *indent)
789 {
790
791 IPSEC_ASSERT(sah != NULL, ("null sah"));
792 if (indent != NULL)
793 printf("%s", indent);
794 printf("SAH { refcnt=%u state=%s\n", sah->refcnt,
795 kdebug_secasv_state(sah->state));
796 if (indent != NULL)
797 printf("%s", indent);
798 kdebug_secasindex(&sah->saidx, indent);
799 if (indent != NULL)
800 printf("%s", indent);
801 printf("}\n");
802 }
803
804 #ifdef IPSEC_DEBUG
805 static void
kdebug_secreplay(struct secreplay * rpl)806 kdebug_secreplay(struct secreplay *rpl)
807 {
808 int len, l;
809
810 IPSEC_ASSERT(rpl != NULL, ("null rpl"));
811 printf(" secreplay{ count=%u bitmap_size=%u wsize=%u seq=%u lastseq=%u",
812 rpl->count, rpl->bitmap_size, rpl->wsize, rpl->seq, rpl->lastseq);
813
814 if (rpl->bitmap == NULL) {
815 printf(" }\n");
816 return;
817 }
818
819 printf("\n bitmap { ");
820 for (len = 0; len < rpl->bitmap_size*4; len++) {
821 for (l = 7; l >= 0; l--)
822 printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
823 }
824 printf(" }\n");
825 }
826 #endif /* IPSEC_DEBUG */
827
828 static void
kdebug_secnatt(struct secnatt * natt)829 kdebug_secnatt(struct secnatt *natt)
830 {
831 char buf[IPSEC_ADDRSTRLEN];
832
833 IPSEC_ASSERT(natt != NULL, ("null natt"));
834 printf(" natt{ sport=%u dport=%u ", ntohs(natt->sport),
835 ntohs(natt->dport));
836 if (natt->flags & IPSEC_NATT_F_OAI)
837 printf("oai=%s ", ipsec_address(&natt->oai, buf, sizeof(buf)));
838 if (natt->flags & IPSEC_NATT_F_OAR)
839 printf("oar=%s ", ipsec_address(&natt->oar, buf, sizeof(buf)));
840 printf("}\n");
841 }
842
843 void
kdebug_secasv(struct secasvar * sav)844 kdebug_secasv(struct secasvar *sav)
845 {
846 struct seclifetime lft_c;
847
848 IPSEC_ASSERT(sav != NULL, ("null sav"));
849
850 printf("SA { refcnt=%u spi=%u seq=%u pid=%u flags=0x%x state=%s\n",
851 sav->refcnt, ntohl(sav->spi), sav->seq, (uint32_t)sav->pid,
852 sav->flags, kdebug_secasv_state(sav->state));
853 kdebug_secash(sav->sah, " ");
854
855 lft_c.addtime = sav->created;
856 lft_c.allocations = (uint32_t)counter_u64_fetch(
857 sav->lft_c_allocations);
858 lft_c.bytes = counter_u64_fetch(sav->lft_c_bytes);
859 lft_c.usetime = sav->firstused;
860 kdebug_sec_lifetime(&lft_c, " c_");
861 if (sav->lft_h != NULL)
862 kdebug_sec_lifetime(sav->lft_h, " h_");
863 if (sav->lft_s != NULL)
864 kdebug_sec_lifetime(sav->lft_s, " s_");
865
866 if (sav->tdb_authalgxform != NULL)
867 printf(" alg_auth=%s\n", sav->tdb_authalgxform->name);
868 if (sav->key_auth != NULL)
869 KEYDBG(DUMP,
870 kdebug_sadb_key((struct sadb_ext *)sav->key_auth));
871 if (sav->tdb_encalgxform != NULL)
872 printf(" alg_enc=%s\n", sav->tdb_encalgxform->name);
873 if (sav->key_enc != NULL)
874 KEYDBG(DUMP,
875 kdebug_sadb_key((struct sadb_ext *)sav->key_enc));
876 if (sav->natt != NULL)
877 kdebug_secnatt(sav->natt);
878 if (sav->replay != NULL) {
879 KEYDBG(DUMP,
880 SECASVAR_LOCK(sav);
881 kdebug_secreplay(sav->replay);
882 SECASVAR_UNLOCK(sav));
883 }
884 printf("}\n");
885 }
886
887 void
kdebug_mbufhdr(const struct mbuf * m)888 kdebug_mbufhdr(const struct mbuf *m)
889 {
890 /* sanity check */
891 if (m == NULL)
892 return;
893
894 printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
895 "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
896 m, m->m_next, m->m_nextpkt, m->m_data,
897 m->m_len, m->m_type, m->m_flags);
898
899 if (m->m_flags & M_PKTHDR) {
900 printf(" m_pkthdr{ len:%d rcvif:%p }\n",
901 m->m_pkthdr.len, m->m_pkthdr.rcvif);
902 }
903
904 if (m->m_flags & M_EXT) {
905 printf(" m_ext{ ext_buf:%p ext_free:%p "
906 "ext_size:%u ext_cnt:%p }\n",
907 m->m_ext.ext_buf, m->m_ext.ext_free,
908 m->m_ext.ext_size, m->m_ext.ext_cnt);
909 }
910
911 return;
912 }
913
914 void
kdebug_mbuf(const struct mbuf * m0)915 kdebug_mbuf(const struct mbuf *m0)
916 {
917 const struct mbuf *m = m0;
918 int i, j;
919
920 for (j = 0; m; m = m->m_next) {
921 kdebug_mbufhdr(m);
922 printf(" m_data:\n");
923 for (i = 0; i < m->m_len; i++) {
924 if (i && i % 32 == 0)
925 printf("\n");
926 if (i % 4 == 0)
927 printf(" ");
928 printf("%02x", mtod(m, const u_char *)[i]);
929 j++;
930 }
931 printf("\n");
932 }
933
934 return;
935 }
936
937 /* Return a printable string for the address. */
938 char *
ipsec_address(const union sockaddr_union * sa,char * buf,socklen_t size)939 ipsec_address(const union sockaddr_union* sa, char *buf, socklen_t size)
940 {
941
942 switch (sa->sa.sa_family) {
943 #ifdef INET
944 case AF_INET:
945 return (inet_ntop(AF_INET, &sa->sin.sin_addr, buf, size));
946 #endif /* INET */
947 #ifdef INET6
948 case AF_INET6:
949 if (IN6_IS_SCOPE_LINKLOCAL(&sa->sin6.sin6_addr)) {
950 snprintf(buf, size, "%s%%%u", inet_ntop(AF_INET6,
951 &sa->sin6.sin6_addr, buf, size),
952 sa->sin6.sin6_scope_id);
953 return (buf);
954 } else
955 return (inet_ntop(AF_INET6, &sa->sin6.sin6_addr,
956 buf, size));
957 #endif /* INET6 */
958 case 0:
959 return ("*");
960 default:
961 return ("(unknown address family)");
962 }
963 }
964
965 char *
ipsec_sa2str(struct secasvar * sav,char * buf,size_t size)966 ipsec_sa2str(struct secasvar *sav, char *buf, size_t size)
967 {
968 char sbuf[IPSEC_ADDRSTRLEN], dbuf[IPSEC_ADDRSTRLEN];
969
970 snprintf(buf, size, "SA(SPI=%08lx src=%s dst=%s)",
971 (u_long)ntohl(sav->spi),
972 ipsec_address(&sav->sah->saidx.src, sbuf, sizeof(sbuf)),
973 ipsec_address(&sav->sah->saidx.dst, dbuf, sizeof(dbuf)));
974 return (buf);
975 }
976
977 #endif /* _KERNEL */
978
979 void
kdebug_sockaddr(struct sockaddr * addr)980 kdebug_sockaddr(struct sockaddr *addr)
981 {
982 char buf[IPSEC_ADDRSTRLEN];
983
984 /* sanity check */
985 if (addr == NULL)
986 panic("%s: NULL pointer was passed.\n", __func__);
987
988 switch (addr->sa_family) {
989 #ifdef INET
990 case AF_INET: {
991 struct sockaddr_in *sin;
992
993 sin = (struct sockaddr_in *)addr;
994 inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
995 break;
996 }
997 #endif
998 #ifdef INET6
999 case AF_INET6: {
1000 struct sockaddr_in6 *sin6;
1001
1002 sin6 = (struct sockaddr_in6 *)addr;
1003 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1004 snprintf(buf, sizeof(buf), "%s%%%u",
1005 inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
1006 sizeof(buf)), sin6->sin6_scope_id);
1007 } else
1008 inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
1009 sizeof(buf));
1010 break;
1011 }
1012 #endif
1013 default:
1014 sprintf(buf, "unknown");
1015 }
1016 printf("sockaddr{ len=%u family=%u addr=%s }\n", addr->sa_len,
1017 addr->sa_family, buf);
1018 }
1019
1020 void
ipsec_bindump(caddr_t buf,int len)1021 ipsec_bindump(caddr_t buf, int len)
1022 {
1023 int i;
1024
1025 for (i = 0; i < len; i++)
1026 printf("%c", (unsigned char)buf[i]);
1027
1028 return;
1029 }
1030
1031
1032 void
ipsec_hexdump(caddr_t buf,int len)1033 ipsec_hexdump(caddr_t buf, int len)
1034 {
1035 int i;
1036
1037 for (i = 0; i < len; i++) {
1038 if (i != 0 && i % 32 == 0) printf("\n");
1039 if (i % 4 == 0) printf(" ");
1040 printf("%02x", (unsigned char)buf[i]);
1041 }
1042 #if 0
1043 if (i % 32 != 0) printf("\n");
1044 #endif
1045
1046 return;
1047 }
1048