1 /* $KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-3-Clause
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 _KERNEL
35 #include "opt_inet.h"
36 #include "opt_inet6.h"
37 #include "opt_ipsec.h"
38 #endif
39
40 #include <sys/param.h>
41 #ifdef _KERNEL
42 #include <sys/systm.h>
43 #include <sys/lock.h>
44 #include <sys/malloc.h>
45 #include <sys/mbuf.h>
46 #include <sys/mutex.h>
47 #include <sys/queue.h>
48 #endif
49 #include <sys/socket.h>
50
51 #include <net/vnet.h>
52
53 #include <netipsec/key_var.h>
54 #include <netipsec/key_debug.h>
55
56 #include <netinet/in.h>
57 #include <netipsec/ipsec.h>
58 #ifdef _KERNEL
59 #include <netipsec/keydb.h>
60 #include <netipsec/xform.h>
61 #endif
62
63 #ifndef _KERNEL
64 #include <ctype.h>
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <arpa/inet.h>
68 #endif /* !_KERNEL */
69
70 static void kdebug_sadb_prop(struct sadb_ext *);
71 static void kdebug_sadb_identity(struct sadb_ext *);
72 static void kdebug_sadb_supported(struct sadb_ext *);
73 static void kdebug_sadb_lifetime(struct sadb_ext *);
74 static void kdebug_sadb_sa(struct sadb_ext *);
75 static void kdebug_sadb_address(struct sadb_ext *);
76 static void kdebug_sadb_key(struct sadb_ext *);
77 static void kdebug_sadb_x_sa2(struct sadb_ext *);
78 static void kdebug_sadb_x_sa_replay(struct sadb_ext *);
79 static void kdebug_sadb_x_natt(struct sadb_ext *);
80
81 #ifndef _KERNEL
82 #define panic(fmt, ...) { printf(fmt, ## __VA_ARGS__); exit(-1); }
83 #endif
84
85 /* NOTE: host byte order */
86
87 static const char*
kdebug_sadb_type(uint8_t type)88 kdebug_sadb_type(uint8_t type)
89 {
90 #define SADB_NAME(n) case SADB_ ## n: return (#n)
91
92 switch (type) {
93 SADB_NAME(RESERVED);
94 SADB_NAME(GETSPI);
95 SADB_NAME(UPDATE);
96 SADB_NAME(ADD);
97 SADB_NAME(DELETE);
98 SADB_NAME(GET);
99 SADB_NAME(ACQUIRE);
100 SADB_NAME(REGISTER);
101 SADB_NAME(EXPIRE);
102 SADB_NAME(FLUSH);
103 SADB_NAME(DUMP);
104 SADB_NAME(X_PROMISC);
105 SADB_NAME(X_PCHANGE);
106 SADB_NAME(X_SPDUPDATE);
107 SADB_NAME(X_SPDADD);
108 SADB_NAME(X_SPDDELETE);
109 SADB_NAME(X_SPDGET);
110 SADB_NAME(X_SPDACQUIRE);
111 SADB_NAME(X_SPDDUMP);
112 SADB_NAME(X_SPDFLUSH);
113 SADB_NAME(X_SPDSETIDX);
114 SADB_NAME(X_SPDEXPIRE);
115 SADB_NAME(X_SPDDELETE2);
116 default:
117 return ("UNKNOWN");
118 }
119 #undef SADB_NAME
120 }
121
122 static const char*
kdebug_sadb_exttype(uint16_t type)123 kdebug_sadb_exttype(uint16_t type)
124 {
125 #define EXT_NAME(n) case SADB_EXT_ ## n: return (#n)
126 #define X_NAME(n) case SADB_X_EXT_ ## n: return (#n)
127
128 switch (type) {
129 EXT_NAME(RESERVED);
130 EXT_NAME(SA);
131 EXT_NAME(LIFETIME_CURRENT);
132 EXT_NAME(LIFETIME_HARD);
133 EXT_NAME(LIFETIME_SOFT);
134 EXT_NAME(ADDRESS_SRC);
135 EXT_NAME(ADDRESS_DST);
136 EXT_NAME(ADDRESS_PROXY);
137 EXT_NAME(KEY_AUTH);
138 EXT_NAME(KEY_ENCRYPT);
139 EXT_NAME(IDENTITY_SRC);
140 EXT_NAME(IDENTITY_DST);
141 EXT_NAME(SENSITIVITY);
142 EXT_NAME(PROPOSAL);
143 EXT_NAME(SUPPORTED_AUTH);
144 EXT_NAME(SUPPORTED_ENCRYPT);
145 EXT_NAME(SPIRANGE);
146 X_NAME(KMPRIVATE);
147 X_NAME(POLICY);
148 X_NAME(SA2);
149 X_NAME(NAT_T_TYPE);
150 X_NAME(NAT_T_SPORT);
151 X_NAME(NAT_T_DPORT);
152 X_NAME(NAT_T_OAI);
153 X_NAME(NAT_T_OAR);
154 X_NAME(NAT_T_FRAG);
155 X_NAME(SA_REPLAY);
156 X_NAME(NEW_ADDRESS_SRC);
157 X_NAME(NEW_ADDRESS_DST);
158 X_NAME(LFT_CUR_SW_OFFL);
159 X_NAME(LFT_CUR_HW_OFFL);
160 default:
161 return ("UNKNOWN");
162 };
163 #undef EXT_NAME
164 #undef X_NAME
165 }
166
167 /* %%%: about struct sadb_msg */
168 void
kdebug_sadb(struct sadb_msg * base)169 kdebug_sadb(struct sadb_msg *base)
170 {
171 struct sadb_ext *ext;
172 int tlen, extlen;
173
174 /* sanity check */
175 if (base == NULL)
176 panic("%s: NULL pointer was passed.\n", __func__);
177
178 printf("sadb_msg{ version=%u type=%u(%s) errno=%u satype=%u\n",
179 base->sadb_msg_version, base->sadb_msg_type,
180 kdebug_sadb_type(base->sadb_msg_type),
181 base->sadb_msg_errno, base->sadb_msg_satype);
182 printf(" len=%u reserved=%u seq=%u pid=%u\n",
183 base->sadb_msg_len, base->sadb_msg_reserved,
184 base->sadb_msg_seq, base->sadb_msg_pid);
185
186 tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
187 ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
188
189 while (tlen > 0) {
190 printf("sadb_ext{ len=%u type=%u(%s) }\n",
191 ext->sadb_ext_len, ext->sadb_ext_type,
192 kdebug_sadb_exttype(ext->sadb_ext_type));
193
194 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
195 if (extlen == 0) {
196 printf("%s: invalid ext_len=0 was passed.\n", __func__);
197 return;
198 }
199 if (extlen > tlen) {
200 printf("%s: ext_len too big (%u > %u).\n",
201 __func__, ext->sadb_ext_len, tlen);
202 return;
203 }
204
205 switch (ext->sadb_ext_type) {
206 case SADB_EXT_SA:
207 kdebug_sadb_sa(ext);
208 break;
209 case SADB_EXT_LIFETIME_CURRENT:
210 case SADB_EXT_LIFETIME_HARD:
211 case SADB_EXT_LIFETIME_SOFT:
212 kdebug_sadb_lifetime(ext);
213 break;
214 case SADB_EXT_ADDRESS_SRC:
215 case SADB_EXT_ADDRESS_DST:
216 case SADB_EXT_ADDRESS_PROXY:
217 case SADB_X_EXT_NAT_T_OAI:
218 case SADB_X_EXT_NAT_T_OAR:
219 case SADB_X_EXT_NEW_ADDRESS_SRC:
220 case SADB_X_EXT_NEW_ADDRESS_DST:
221 kdebug_sadb_address(ext);
222 break;
223 case SADB_EXT_KEY_AUTH:
224 case SADB_EXT_KEY_ENCRYPT:
225 kdebug_sadb_key(ext);
226 break;
227 case SADB_EXT_IDENTITY_SRC:
228 case SADB_EXT_IDENTITY_DST:
229 kdebug_sadb_identity(ext);
230 break;
231 case SADB_EXT_SENSITIVITY:
232 break;
233 case SADB_EXT_PROPOSAL:
234 kdebug_sadb_prop(ext);
235 break;
236 case SADB_EXT_SUPPORTED_AUTH:
237 case SADB_EXT_SUPPORTED_ENCRYPT:
238 kdebug_sadb_supported(ext);
239 break;
240 case SADB_EXT_SPIRANGE:
241 case SADB_X_EXT_KMPRIVATE:
242 break;
243 case SADB_X_EXT_POLICY:
244 kdebug_sadb_x_policy(ext);
245 break;
246 case SADB_X_EXT_SA2:
247 kdebug_sadb_x_sa2(ext);
248 break;
249 case SADB_X_EXT_SA_REPLAY:
250 kdebug_sadb_x_sa_replay(ext);
251 break;
252 case SADB_X_EXT_NAT_T_TYPE:
253 case SADB_X_EXT_NAT_T_SPORT:
254 case SADB_X_EXT_NAT_T_DPORT:
255 kdebug_sadb_x_natt(ext);
256 break;
257 case SADB_X_EXT_LFT_CUR_SW_OFFL:
258 case SADB_X_EXT_LFT_CUR_HW_OFFL:
259 kdebug_sadb_lifetime(ext);
260 default:
261 printf("%s: invalid ext_type %u\n", __func__,
262 ext->sadb_ext_type);
263 return;
264 }
265
266 tlen -= extlen;
267 ext = (struct sadb_ext *)((caddr_t)ext + extlen);
268 }
269
270 return;
271 }
272
273 static void
kdebug_sadb_prop(struct sadb_ext * ext)274 kdebug_sadb_prop(struct sadb_ext *ext)
275 {
276 struct sadb_prop *prop = (struct sadb_prop *)ext;
277 struct sadb_comb *comb;
278 int len;
279
280 /* sanity check */
281 if (ext == NULL)
282 panic("%s: NULL pointer was passed.\n", __func__);
283
284 len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
285 / sizeof(*comb);
286 comb = (struct sadb_comb *)(prop + 1);
287 printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
288
289 while (len--) {
290 printf("sadb_comb{ auth=%u encrypt=%u "
291 "flags=0x%04x reserved=0x%08x\n",
292 comb->sadb_comb_auth, comb->sadb_comb_encrypt,
293 comb->sadb_comb_flags, comb->sadb_comb_reserved);
294
295 printf(" auth_minbits=%u auth_maxbits=%u "
296 "encrypt_minbits=%u encrypt_maxbits=%u\n",
297 comb->sadb_comb_auth_minbits,
298 comb->sadb_comb_auth_maxbits,
299 comb->sadb_comb_encrypt_minbits,
300 comb->sadb_comb_encrypt_maxbits);
301
302 printf(" soft_alloc=%u hard_alloc=%u "
303 "soft_bytes=%lu hard_bytes=%lu\n",
304 comb->sadb_comb_soft_allocations,
305 comb->sadb_comb_hard_allocations,
306 (unsigned long)comb->sadb_comb_soft_bytes,
307 (unsigned long)comb->sadb_comb_hard_bytes);
308
309 printf(" soft_alloc=%lu hard_alloc=%lu "
310 "soft_bytes=%lu hard_bytes=%lu }\n",
311 (unsigned long)comb->sadb_comb_soft_addtime,
312 (unsigned long)comb->sadb_comb_hard_addtime,
313 (unsigned long)comb->sadb_comb_soft_usetime,
314 (unsigned long)comb->sadb_comb_hard_usetime);
315 comb++;
316 }
317 printf("}\n");
318
319 return;
320 }
321
322 static void
kdebug_sadb_identity(struct sadb_ext * ext)323 kdebug_sadb_identity(struct sadb_ext *ext)
324 {
325 struct sadb_ident *id = (struct sadb_ident *)ext;
326 int len;
327
328 /* sanity check */
329 if (ext == NULL)
330 panic("%s: NULL pointer was passed.\n", __func__);
331
332 len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
333 printf("sadb_ident_%s{",
334 id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
335 switch (id->sadb_ident_type) {
336 default:
337 printf(" type=%d id=%lu",
338 id->sadb_ident_type, (u_long)id->sadb_ident_id);
339 if (len) {
340 #ifdef _KERNEL
341 ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
342 #else
343 char *p, *ep;
344 printf("\n str=\"");
345 p = (char *)(id + 1);
346 ep = p + len;
347 for (/*nothing*/; *p && p < ep; p++) {
348 if (isprint(*p))
349 printf("%c", *p & 0xff);
350 else
351 printf("\\%03o", *p & 0xff);
352 }
353 #endif
354 printf("\"");
355 }
356 break;
357 }
358
359 printf(" }\n");
360
361 return;
362 }
363
364 static void
kdebug_sadb_supported(struct sadb_ext * ext)365 kdebug_sadb_supported(struct sadb_ext *ext)
366 {
367 struct sadb_supported *sup = (struct sadb_supported *)ext;
368 struct sadb_alg *alg;
369 int len;
370
371 /* sanity check */
372 if (ext == NULL)
373 panic("%s: NULL pointer was passed.\n", __func__);
374
375 len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
376 / sizeof(*alg);
377 alg = (struct sadb_alg *)(sup + 1);
378 printf("sadb_sup{\n");
379 while (len--) {
380 printf(" { id=%d ivlen=%d min=%d max=%d }\n",
381 alg->sadb_alg_id, alg->sadb_alg_ivlen,
382 alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
383 alg++;
384 }
385 printf("}\n");
386
387 return;
388 }
389
390 static void
kdebug_sadb_lifetime(struct sadb_ext * ext)391 kdebug_sadb_lifetime(struct sadb_ext *ext)
392 {
393 struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
394
395 /* sanity check */
396 if (ext == NULL)
397 panic("%s: NULL pointer was passed.\n", __func__);
398
399 printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
400 lft->sadb_lifetime_allocations,
401 (u_int32_t)lft->sadb_lifetime_bytes);
402 printf(" addtime=%u, usetime=%u }\n",
403 (u_int32_t)lft->sadb_lifetime_addtime,
404 (u_int32_t)lft->sadb_lifetime_usetime);
405
406 return;
407 }
408
409 static void
kdebug_sadb_sa(struct sadb_ext * ext)410 kdebug_sadb_sa(struct sadb_ext *ext)
411 {
412 struct sadb_sa *sa = (struct sadb_sa *)ext;
413
414 /* sanity check */
415 if (ext == NULL)
416 panic("%s: NULL pointer was passed.\n", __func__);
417
418 printf("sadb_sa{ spi=%u replay=%u state=%u\n",
419 (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
420 sa->sadb_sa_state);
421 printf(" auth=%u encrypt=%u flags=0x%08x }\n",
422 sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
423
424 return;
425 }
426
427 static void
kdebug_sadb_address(struct sadb_ext * ext)428 kdebug_sadb_address(struct sadb_ext *ext)
429 {
430 struct sadb_address *addr = (struct sadb_address *)ext;
431
432 /* sanity check */
433 if (ext == NULL)
434 panic("%s: NULL pointer was passed.\n", __func__);
435
436 printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
437 addr->sadb_address_proto, addr->sadb_address_prefixlen,
438 ((u_char *)&addr->sadb_address_reserved)[0],
439 ((u_char *)&addr->sadb_address_reserved)[1]);
440
441 kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
442 }
443
444 static void
kdebug_sadb_key(struct sadb_ext * ext)445 kdebug_sadb_key(struct sadb_ext *ext)
446 {
447 struct sadb_key *key = (struct sadb_key *)ext;
448
449 /* sanity check */
450 if (ext == NULL)
451 panic("%s: NULL pointer was passed.\n", __func__);
452
453 printf("sadb_key{ bits=%u reserved=%u\n",
454 key->sadb_key_bits, key->sadb_key_reserved);
455 printf(" key=");
456
457 /* sanity check 2 */
458 if ((key->sadb_key_bits >> 3) >
459 (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
460 printf("%s: key length mismatch, bit:%d len:%ld.\n",
461 __func__,
462 key->sadb_key_bits >> 3,
463 (long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
464 }
465
466 ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
467 key->sadb_key_bits >> 3);
468 printf(" }\n");
469 return;
470 }
471
472 static void
kdebug_sadb_x_sa2(struct sadb_ext * ext)473 kdebug_sadb_x_sa2(struct sadb_ext *ext)
474 {
475 struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
476
477 /* sanity check */
478 if (ext == NULL)
479 panic("%s: NULL pointer was passed.\n", __func__);
480
481 printf("sadb_x_sa2{ mode=%u reqid=%u\n",
482 sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
483 printf(" reserved1=%u reserved2=%u sequence=%u }\n",
484 sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
485 sa2->sadb_x_sa2_sequence);
486
487 return;
488 }
489
490 static void
kdebug_sadb_x_sa_replay(struct sadb_ext * ext)491 kdebug_sadb_x_sa_replay(struct sadb_ext *ext)
492 {
493 struct sadb_x_sa_replay *replay;
494
495 /* sanity check */
496 if (ext == NULL)
497 panic("%s: NULL pointer was passed.\n", __func__);
498
499 replay = (struct sadb_x_sa_replay *)ext;
500 printf("sadb_x_sa_replay{ replay=%u }\n",
501 replay->sadb_x_sa_replay_replay);
502 }
503
504 static void
kdebug_sadb_x_natt(struct sadb_ext * ext)505 kdebug_sadb_x_natt(struct sadb_ext *ext)
506 {
507 struct sadb_x_nat_t_type *type;
508 struct sadb_x_nat_t_port *port;
509
510 /* sanity check */
511 if (ext == NULL)
512 panic("%s: NULL pointer was passed.\n", __func__);
513
514 if (ext->sadb_ext_type == SADB_X_EXT_NAT_T_TYPE) {
515 type = (struct sadb_x_nat_t_type *)ext;
516 printf("sadb_x_nat_t_type{ type=%u }\n",
517 type->sadb_x_nat_t_type_type);
518 } else {
519 port = (struct sadb_x_nat_t_port *)ext;
520 printf("sadb_x_nat_t_port{ port=%u }\n",
521 ntohs(port->sadb_x_nat_t_port_port));
522 }
523 }
524
525 void
kdebug_sadb_x_policy(struct sadb_ext * ext)526 kdebug_sadb_x_policy(struct sadb_ext *ext)
527 {
528 struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
529 struct sockaddr *addr;
530
531 /* sanity check */
532 if (ext == NULL)
533 panic("%s: NULL pointer was passed.\n", __func__);
534
535 printf("sadb_x_policy{ type=%u dir=%u id=%x scope=%u %s=%u }\n",
536 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
537 xpl->sadb_x_policy_id, xpl->sadb_x_policy_scope,
538 xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET ?
539 "ifindex": "priority", xpl->sadb_x_policy_priority);
540
541 if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
542 int tlen;
543 struct sadb_x_ipsecrequest *xisr;
544
545 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
546 xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
547
548 while (tlen > 0) {
549 printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
550 xisr->sadb_x_ipsecrequest_len,
551 xisr->sadb_x_ipsecrequest_proto,
552 xisr->sadb_x_ipsecrequest_mode,
553 xisr->sadb_x_ipsecrequest_level,
554 xisr->sadb_x_ipsecrequest_reqid);
555
556 if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
557 addr = (struct sockaddr *)(xisr + 1);
558 kdebug_sockaddr(addr);
559 addr = (struct sockaddr *)((caddr_t)addr
560 + addr->sa_len);
561 kdebug_sockaddr(addr);
562 }
563
564 printf(" }\n");
565
566 /* prevent infinite loop */
567 if (xisr->sadb_x_ipsecrequest_len <= 0) {
568 printf("%s: wrong policy struct.\n", __func__);
569 return;
570 }
571 /* prevent overflow */
572 if (xisr->sadb_x_ipsecrequest_len > tlen) {
573 printf("%s: invalid ipsec policy length "
574 "(%u > %u)\n", __func__,
575 xisr->sadb_x_ipsecrequest_len, tlen);
576 return;
577 }
578
579 tlen -= xisr->sadb_x_ipsecrequest_len;
580
581 xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
582 + xisr->sadb_x_ipsecrequest_len);
583 }
584
585 if (tlen != 0)
586 panic("%s: wrong policy struct.\n", __func__);
587 }
588
589 return;
590 }
591
592 #ifdef _KERNEL
593 /* %%%: about SPD and SAD */
594 const char*
kdebug_secpolicy_state(u_int state)595 kdebug_secpolicy_state(u_int state)
596 {
597
598 switch (state) {
599 case IPSEC_SPSTATE_DEAD:
600 return ("dead");
601 case IPSEC_SPSTATE_LARVAL:
602 return ("larval");
603 case IPSEC_SPSTATE_ALIVE:
604 return ("alive");
605 case IPSEC_SPSTATE_PCB:
606 return ("pcb");
607 case IPSEC_SPSTATE_IFNET:
608 return ("ifnet");
609 }
610 return ("unknown");
611 }
612
613 const char*
kdebug_secpolicy_policy(u_int policy)614 kdebug_secpolicy_policy(u_int policy)
615 {
616
617 switch (policy) {
618 case IPSEC_POLICY_DISCARD:
619 return ("discard");
620 case IPSEC_POLICY_NONE:
621 return ("none");
622 case IPSEC_POLICY_IPSEC:
623 return ("ipsec");
624 case IPSEC_POLICY_ENTRUST:
625 return ("entrust");
626 case IPSEC_POLICY_BYPASS:
627 return ("bypass");
628 }
629 return ("unknown");
630 }
631
632 const char*
kdebug_secpolicyindex_dir(u_int dir)633 kdebug_secpolicyindex_dir(u_int dir)
634 {
635
636 switch (dir) {
637 case IPSEC_DIR_ANY:
638 return ("any");
639 case IPSEC_DIR_INBOUND:
640 return ("in");
641 case IPSEC_DIR_OUTBOUND:
642 return ("out");
643 }
644 return ("unknown");
645 }
646
647 const char*
kdebug_ipsecrequest_level(u_int level)648 kdebug_ipsecrequest_level(u_int level)
649 {
650
651 switch (level) {
652 case IPSEC_LEVEL_DEFAULT:
653 return ("default");
654 case IPSEC_LEVEL_USE:
655 return ("use");
656 case IPSEC_LEVEL_REQUIRE:
657 return ("require");
658 case IPSEC_LEVEL_UNIQUE:
659 return ("unique");
660 }
661 return ("unknown");
662 }
663
664 const char*
kdebug_secasindex_mode(u_int mode)665 kdebug_secasindex_mode(u_int mode)
666 {
667
668 switch (mode) {
669 case IPSEC_MODE_ANY:
670 return ("any");
671 case IPSEC_MODE_TRANSPORT:
672 return ("transport");
673 case IPSEC_MODE_TUNNEL:
674 return ("tunnel");
675 case IPSEC_MODE_TCPMD5:
676 return ("tcp-md5");
677 }
678 return ("unknown");
679 }
680
681 const char*
kdebug_secasv_state(u_int state)682 kdebug_secasv_state(u_int state)
683 {
684
685 switch (state) {
686 case SADB_SASTATE_LARVAL:
687 return ("larval");
688 case SADB_SASTATE_MATURE:
689 return ("mature");
690 case SADB_SASTATE_DYING:
691 return ("dying");
692 case SADB_SASTATE_DEAD:
693 return ("dead");
694 }
695 return ("unknown");
696 }
697
698 static char*
kdebug_port2str(const struct sockaddr * sa,char * buf,size_t len)699 kdebug_port2str(const struct sockaddr *sa, char *buf, size_t len)
700 {
701 uint16_t port;
702
703 IPSEC_ASSERT(sa != NULL, ("null sa"));
704 switch (sa->sa_family) {
705 #ifdef INET
706 case AF_INET:
707 port = ntohs(((const struct sockaddr_in *)sa)->sin_port);
708 break;
709 #endif
710 #ifdef INET6
711 case AF_INET6:
712 port = ntohs(((const struct sockaddr_in6 *)sa)->sin6_port);
713 break;
714 #endif
715 default:
716 port = 0;
717 }
718 if (port == 0)
719 return ("*");
720 snprintf(buf, len, "%u", port);
721 return (buf);
722 }
723
724 void
kdebug_secpolicy(struct secpolicy * sp)725 kdebug_secpolicy(struct secpolicy *sp)
726 {
727 u_int idx;
728
729 IPSEC_ASSERT(sp != NULL, ("null sp"));
730 printf("SP { refcnt=%u id=%u priority=%u state=%s policy=%s\n",
731 sp->refcnt, sp->id, sp->priority,
732 kdebug_secpolicy_state(sp->state),
733 kdebug_secpolicy_policy(sp->policy));
734 kdebug_secpolicyindex(&sp->spidx, " ");
735 for (idx = 0; idx < sp->tcount; idx++) {
736 printf(" req[%u]{ level=%s ", idx,
737 kdebug_ipsecrequest_level(sp->req[idx]->level));
738 kdebug_secasindex(&sp->req[idx]->saidx, NULL);
739 printf(" }\n");
740 }
741 printf("}\n");
742 }
743
744 void
kdebug_secpolicyindex(struct secpolicyindex * spidx,const char * indent)745 kdebug_secpolicyindex(struct secpolicyindex *spidx, const char *indent)
746 {
747 char buf[IPSEC_ADDRSTRLEN];
748
749 IPSEC_ASSERT(spidx != NULL, ("null spidx"));
750 if (indent != NULL)
751 printf("%s", indent);
752 printf("spidx { dir=%s ul_proto=",
753 kdebug_secpolicyindex_dir(spidx->dir));
754 if (spidx->ul_proto == IPSEC_ULPROTO_ANY)
755 printf("* ");
756 else
757 printf("%u ", spidx->ul_proto);
758 printf("%s/%u -> ", ipsec_address(&spidx->src, buf, sizeof(buf)),
759 spidx->prefs);
760 printf("%s/%u }\n", ipsec_address(&spidx->dst, buf, sizeof(buf)),
761 spidx->prefd);
762 }
763
764 void
kdebug_secasindex(const struct secasindex * saidx,const char * indent)765 kdebug_secasindex(const struct secasindex *saidx, const char *indent)
766 {
767 char buf[IPSEC_ADDRSTRLEN], port[6];
768
769 IPSEC_ASSERT(saidx != NULL, ("null saidx"));
770 if (indent != NULL)
771 printf("%s", indent);
772 printf("saidx { mode=%s proto=%u reqid=%u ",
773 kdebug_secasindex_mode(saidx->mode), saidx->proto, saidx->reqid);
774 printf("%s:%s -> ", ipsec_address(&saidx->src, buf, sizeof(buf)),
775 kdebug_port2str(&saidx->src.sa, port, sizeof(port)));
776 printf("%s:%s }\n", ipsec_address(&saidx->dst, buf, sizeof(buf)),
777 kdebug_port2str(&saidx->dst.sa, port, sizeof(port)));
778 }
779
780 static void
kdebug_sec_lifetime(struct seclifetime * lft,const char * indent)781 kdebug_sec_lifetime(struct seclifetime *lft, const char *indent)
782 {
783
784 IPSEC_ASSERT(lft != NULL, ("null lft"));
785 if (indent != NULL)
786 printf("%s", indent);
787 printf("lifetime { alloc=%u, bytes=%ju addtime=%ju usetime=%ju }\n",
788 lft->allocations, (uintmax_t)lft->bytes, (uintmax_t)lft->addtime,
789 (uintmax_t)lft->usetime);
790 }
791
792 void
kdebug_secash(struct secashead * sah,const char * indent)793 kdebug_secash(struct secashead *sah, const char *indent)
794 {
795
796 IPSEC_ASSERT(sah != NULL, ("null sah"));
797 if (indent != NULL)
798 printf("%s", indent);
799 printf("SAH { refcnt=%u state=%s\n", sah->refcnt,
800 kdebug_secasv_state(sah->state));
801 if (indent != NULL)
802 printf("%s", indent);
803 kdebug_secasindex(&sah->saidx, indent);
804 if (indent != NULL)
805 printf("%s", indent);
806 printf("}\n");
807 }
808
809 #ifdef IPSEC_DEBUG
810 static void
kdebug_secreplay(struct secreplay * rpl)811 kdebug_secreplay(struct secreplay *rpl)
812 {
813 int len, l;
814
815 SECREPLAY_LOCK(rpl);
816
817 IPSEC_ASSERT(rpl != NULL, ("null rpl"));
818 printf(" secreplay{ count=%lu bitmap_size=%u wsize=%u last=%lu",
819 rpl->count, rpl->bitmap_size, rpl->wsize, rpl->last);
820
821 if (rpl->bitmap == NULL) {
822 printf(" }\n");
823 SECREPLAY_UNLOCK(rpl);
824 return;
825 }
826
827 printf("\n bitmap { ");
828 for (len = 0; len < rpl->bitmap_size*4; len++) {
829 for (l = 7; l >= 0; l--)
830 printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
831 }
832 printf(" }\n");
833 SECREPLAY_UNLOCK(rpl);
834 }
835 #endif /* IPSEC_DEBUG */
836
837 static void
kdebug_secnatt(struct secnatt * natt)838 kdebug_secnatt(struct secnatt *natt)
839 {
840 char buf[IPSEC_ADDRSTRLEN];
841
842 IPSEC_ASSERT(natt != NULL, ("null natt"));
843 printf(" natt{ sport=%u dport=%u ", ntohs(natt->sport),
844 ntohs(natt->dport));
845 if (natt->flags & IPSEC_NATT_F_OAI)
846 printf("oai=%s ", ipsec_address(&natt->oai, buf, sizeof(buf)));
847 if (natt->flags & IPSEC_NATT_F_OAR)
848 printf("oar=%s ", ipsec_address(&natt->oar, buf, sizeof(buf)));
849 printf("}\n");
850 }
851
852 void
kdebug_secasv(struct secasvar * sav)853 kdebug_secasv(struct secasvar *sav)
854 {
855 struct seclifetime lft_c;
856
857 IPSEC_ASSERT(sav != NULL, ("null sav"));
858
859 printf("SA { refcnt=%u spi=%u seq=%u pid=%u flags=0x%x state=%s\n",
860 sav->refcnt, ntohl(sav->spi), sav->seq, (uint32_t)sav->pid,
861 sav->flags, kdebug_secasv_state(sav->state));
862 kdebug_secash(sav->sah, " ");
863
864 lft_c.addtime = sav->created;
865 lft_c.allocations = (uint32_t)counter_u64_fetch(
866 sav->lft_c_allocations);
867 lft_c.bytes = counter_u64_fetch(sav->lft_c_bytes);
868 lft_c.usetime = sav->firstused;
869 kdebug_sec_lifetime(&lft_c, " c_");
870 if (sav->lft_h != NULL)
871 kdebug_sec_lifetime(sav->lft_h, " h_");
872 if (sav->lft_s != NULL)
873 kdebug_sec_lifetime(sav->lft_s, " s_");
874
875 if (sav->tdb_authalgxform != NULL)
876 printf(" alg_auth=%s\n", sav->tdb_authalgxform->name);
877 if (sav->key_auth != NULL)
878 KEYDBG(DUMP,
879 kdebug_sadb_key((struct sadb_ext *)sav->key_auth));
880 if (sav->tdb_encalgxform != NULL)
881 printf(" alg_enc=%s\n", sav->tdb_encalgxform->name);
882 if (sav->key_enc != NULL)
883 KEYDBG(DUMP,
884 kdebug_sadb_key((struct sadb_ext *)sav->key_enc));
885 if (sav->natt != NULL)
886 kdebug_secnatt(sav->natt);
887 if (sav->replay != NULL) {
888 KEYDBG(DUMP,
889 SECASVAR_RLOCK_TRACKER;
890
891 SECASVAR_RLOCK(sav);
892 kdebug_secreplay(sav->replay);
893 SECASVAR_RUNLOCK(sav));
894 }
895 printf("}\n");
896 }
897
898 void
kdebug_mbufhdr(const struct mbuf * m)899 kdebug_mbufhdr(const struct mbuf *m)
900 {
901 /* sanity check */
902 if (m == NULL)
903 return;
904
905 printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
906 "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
907 m, m->m_next, m->m_nextpkt, m->m_data,
908 m->m_len, m->m_type, m->m_flags);
909
910 if (m->m_flags & M_PKTHDR) {
911 printf(" m_pkthdr{ len:%d rcvif:%p }\n",
912 m->m_pkthdr.len, m->m_pkthdr.rcvif);
913 }
914
915 if (m->m_flags & M_EXT) {
916 printf(" m_ext{ ext_buf:%p ext_free:%p "
917 "ext_size:%u ext_cnt:%p }\n",
918 m->m_ext.ext_buf, m->m_ext.ext_free,
919 m->m_ext.ext_size, m->m_ext.ext_cnt);
920 }
921
922 return;
923 }
924
925 void
kdebug_mbuf(const struct mbuf * m0)926 kdebug_mbuf(const struct mbuf *m0)
927 {
928 const struct mbuf *m = m0;
929 int i;
930
931 for (; m; m = m->m_next) {
932 kdebug_mbufhdr(m);
933 printf(" m_data:\n");
934 for (i = 0; i < m->m_len; i++) {
935 if (i && i % 32 == 0)
936 printf("\n");
937 if (i % 4 == 0)
938 printf(" ");
939 printf("%02x", mtod(m, const u_char *)[i]);
940 }
941 printf("\n");
942 }
943
944 return;
945 }
946
947 /* Return a printable string for the address. */
948 char *
ipsec_address(const union sockaddr_union * sa,char * buf,socklen_t size)949 ipsec_address(const union sockaddr_union* sa, char *buf, socklen_t size)
950 {
951
952 switch (sa->sa.sa_family) {
953 #ifdef INET
954 case AF_INET:
955 return (inet_ntop(AF_INET, &sa->sin.sin_addr, buf, size));
956 #endif /* INET */
957 #ifdef INET6
958 case AF_INET6:
959 if (IN6_IS_SCOPE_LINKLOCAL(&sa->sin6.sin6_addr)) {
960 snprintf(buf, size, "%s%%%u", inet_ntop(AF_INET6,
961 &sa->sin6.sin6_addr, buf, size),
962 sa->sin6.sin6_scope_id);
963 return (buf);
964 } else
965 return (inet_ntop(AF_INET6, &sa->sin6.sin6_addr,
966 buf, size));
967 #endif /* INET6 */
968 case 0:
969 return ("*");
970 default:
971 return ("(unknown address family)");
972 }
973 }
974
975 char *
ipsec_sa2str(struct secasvar * sav,char * buf,size_t size)976 ipsec_sa2str(struct secasvar *sav, char *buf, size_t size)
977 {
978 char sbuf[IPSEC_ADDRSTRLEN], dbuf[IPSEC_ADDRSTRLEN];
979
980 snprintf(buf, size, "SA(SPI=%08lx src=%s dst=%s)",
981 (u_long)ntohl(sav->spi),
982 ipsec_address(&sav->sah->saidx.src, sbuf, sizeof(sbuf)),
983 ipsec_address(&sav->sah->saidx.dst, dbuf, sizeof(dbuf)));
984 return (buf);
985 }
986
987 #endif /* _KERNEL */
988
989 void
kdebug_sockaddr(struct sockaddr * addr)990 kdebug_sockaddr(struct sockaddr *addr)
991 {
992 char buf[IPSEC_ADDRSTRLEN];
993
994 /* sanity check */
995 if (addr == NULL)
996 panic("%s: NULL pointer was passed.\n", __func__);
997
998 switch (addr->sa_family) {
999 #ifdef INET
1000 case AF_INET: {
1001 struct sockaddr_in *sin;
1002
1003 sin = (struct sockaddr_in *)addr;
1004 inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
1005 break;
1006 }
1007 #endif
1008 #ifdef INET6
1009 case AF_INET6: {
1010 struct sockaddr_in6 *sin6;
1011
1012 sin6 = (struct sockaddr_in6 *)addr;
1013 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1014 snprintf(buf, sizeof(buf), "%s%%%u",
1015 inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
1016 sizeof(buf)), sin6->sin6_scope_id);
1017 } else
1018 inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
1019 sizeof(buf));
1020 break;
1021 }
1022 #endif
1023 default:
1024 sprintf(buf, "unknown");
1025 }
1026 printf("sockaddr{ len=%u family=%u addr=%s }\n", addr->sa_len,
1027 addr->sa_family, buf);
1028 }
1029
1030 void
ipsec_bindump(caddr_t buf,int len)1031 ipsec_bindump(caddr_t buf, int len)
1032 {
1033 int i;
1034
1035 for (i = 0; i < len; i++)
1036 printf("%c", (unsigned char)buf[i]);
1037
1038 return;
1039 }
1040
1041 void
ipsec_hexdump(caddr_t buf,int len)1042 ipsec_hexdump(caddr_t buf, int len)
1043 {
1044 int i;
1045
1046 for (i = 0; i < len; i++) {
1047 if (i != 0 && i % 32 == 0) printf("\n");
1048 if (i % 4 == 0) printf(" ");
1049 printf("%02x", (unsigned char)buf[i]);
1050 }
1051 #if 0
1052 if (i % 32 != 0) printf("\n");
1053 #endif
1054
1055 return;
1056 }
1057