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/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 #endif /* !_KERNEL */
  67
  68 static void kdebug_sadb_prop(struct sadb_ext *);
  69 static void kdebug_sadb_identity(struct sadb_ext *);
  70 static void kdebug_sadb_supported(struct sadb_ext *);
  71 static void kdebug_sadb_lifetime(struct sadb_ext *);
  72 static void kdebug_sadb_sa(struct sadb_ext *);
  73 static void kdebug_sadb_address(struct sadb_ext *);
  74 static void kdebug_sadb_key(struct sadb_ext *);
  75 static void kdebug_sadb_x_sa2(struct sadb_ext *);
  76
  77 #ifdef _KERNEL
  78 static void kdebug_secreplay(struct secreplay *);
  79 #endif
  80
  81 #ifndef _KERNEL
  82 #define panic(fmt, ...) { printf(fmt, ## __VA_ARGS__); exit(-1); }
  83 #endif
  84
  85 /* NOTE: host byte order */
  86
  87 /* %%%: about struct sadb_msg */
  88 void
  89 kdebug_sadb(struct sadb_msg *base)
  90 {
  91         struct sadb_ext *ext;
  92         int tlen, extlen;
  93
  94         /* sanity check */
  95         if (base == NULL)
  96                 panic("%s: NULL pointer was passed.\n", __func__);
  97
  98         printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
  99             base->sadb_msg_version, base->sadb_msg_type,
 100             base->sadb_msg_errno, base->sadb_msg_satype);
 101         printf("  len=%u reserved=%u seq=%u pid=%u\n",
 102             base->sadb_msg_len, base->sadb_msg_reserved,
 103             base->sadb_msg_seq, base->sadb_msg_pid);
 104
 105         tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
 106         ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
 107
 108         while (tlen > 0) {
 109                 printf("sadb_ext{ len=%u type=%u }\n",
 110                     ext->sadb_ext_len, ext->sadb_ext_type);
 111
 112                 if (ext->sadb_ext_len == 0) {
 113                         printf("%s: invalid ext_len=0 was passed.\n", __func__);
 114                         return;
 115                 }
 116                 if (ext->sadb_ext_len > tlen) {
 117                         printf("%s: ext_len too big (%u > %u).\n",
 118                                 __func__, ext->sadb_ext_len, tlen);
 119                         return;
 120                 }
 121
 122                 switch (ext->sadb_ext_type) {
 123                 case SADB_EXT_SA:
 124                         kdebug_sadb_sa(ext);
 125                         break;
 126                 case SADB_EXT_LIFETIME_CURRENT:
 127                 case SADB_EXT_LIFETIME_HARD:
 128                 case SADB_EXT_LIFETIME_SOFT:
 129                         kdebug_sadb_lifetime(ext);
 130                         break;
 131                 case SADB_EXT_ADDRESS_SRC:
 132                 case SADB_EXT_ADDRESS_DST:
 133                 case SADB_EXT_ADDRESS_PROXY:
 134                         kdebug_sadb_address(ext);
 135                         break;
 136                 case SADB_EXT_KEY_AUTH:
 137                 case SADB_EXT_KEY_ENCRYPT:
 138                         kdebug_sadb_key(ext);
 139                         break;
 140                 case SADB_EXT_IDENTITY_SRC:
 141                 case SADB_EXT_IDENTITY_DST:
 142                         kdebug_sadb_identity(ext);
 143                         break;
 144                 case SADB_EXT_SENSITIVITY:
 145                         break;
 146                 case SADB_EXT_PROPOSAL:
 147                         kdebug_sadb_prop(ext);
 148                         break;
 149                 case SADB_EXT_SUPPORTED_AUTH:
 150                 case SADB_EXT_SUPPORTED_ENCRYPT:
 151                         kdebug_sadb_supported(ext);
 152                         break;
 153                 case SADB_EXT_SPIRANGE:
 154                 case SADB_X_EXT_KMPRIVATE:
 155                         break;
 156                 case SADB_X_EXT_POLICY:
 157                         kdebug_sadb_x_policy(ext);
 158                         break;
 159                 case SADB_X_EXT_SA2:
 160                         kdebug_sadb_x_sa2(ext);
 161                         break;
 162                 default:
 163                         printf("%s: invalid ext_type %u\n", __func__,
 164                             ext->sadb_ext_type);
 165                         return;
 166                 }
 167
 168                 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
 169                 tlen -= extlen;
 170                 ext = (struct sadb_ext *)((caddr_t)ext + extlen);
 171         }
 172
 173         return;
 174 }
 175
 176 static void
 177 kdebug_sadb_prop(struct sadb_ext *ext)
 178 {
 179         struct sadb_prop *prop = (struct sadb_prop *)ext;
 180         struct sadb_comb *comb;
 181         int len;
 182
 183         /* sanity check */
 184         if (ext == NULL)
 185                 panic("%s: NULL pointer was passed.\n", __func__);
 186
 187         len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
 188                 / sizeof(*comb);
 189         comb = (struct sadb_comb *)(prop + 1);
 190         printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
 191
 192         while (len--) {
 193                 printf("sadb_comb{ auth=%u encrypt=%u "
 194                         "flags=0x%04x reserved=0x%08x\n",
 195                         comb->sadb_comb_auth, comb->sadb_comb_encrypt,
 196                         comb->sadb_comb_flags, comb->sadb_comb_reserved);
 197
 198                 printf("  auth_minbits=%u auth_maxbits=%u "
 199                         "encrypt_minbits=%u encrypt_maxbits=%u\n",
 200                         comb->sadb_comb_auth_minbits,
 201                         comb->sadb_comb_auth_maxbits,
 202                         comb->sadb_comb_encrypt_minbits,
 203                         comb->sadb_comb_encrypt_maxbits);
 204
 205                 printf("  soft_alloc=%u hard_alloc=%u "
 206                         "soft_bytes=%lu hard_bytes=%lu\n",
 207                         comb->sadb_comb_soft_allocations,
 208                         comb->sadb_comb_hard_allocations,
 209                         (unsigned long)comb->sadb_comb_soft_bytes,
 210                         (unsigned long)comb->sadb_comb_hard_bytes);
 211
 212                 printf("  soft_alloc=%lu hard_alloc=%lu "
 213                         "soft_bytes=%lu hard_bytes=%lu }\n",
 214                         (unsigned long)comb->sadb_comb_soft_addtime,
 215                         (unsigned long)comb->sadb_comb_hard_addtime,
 216                         (unsigned long)comb->sadb_comb_soft_usetime,
 217                         (unsigned long)comb->sadb_comb_hard_usetime);
 218                 comb++;
 219         }
 220         printf("}\n");
 221
 222         return;
 223 }
 224
 225 static void
 226 kdebug_sadb_identity(struct sadb_ext *ext)
 227 {
 228         struct sadb_ident *id = (struct sadb_ident *)ext;
 229         int len;
 230
 231         /* sanity check */
 232         if (ext == NULL)
 233                 panic("%s: NULL pointer was passed.\n", __func__);
 234
 235         len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
 236         printf("sadb_ident_%s{",
 237             id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
 238         switch (id->sadb_ident_type) {
 239         default:
 240                 printf(" type=%d id=%lu",
 241                         id->sadb_ident_type, (u_long)id->sadb_ident_id);
 242                 if (len) {
 243 #ifdef _KERNEL
 244                         ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
 245 #else
 246                         char *p, *ep;
 247                         printf("\n  str=\"");
 248                         p = (char *)(id + 1);
 249                         ep = p + len;
 250                         for (/*nothing*/; *p && p < ep; p++) {
 251                                 if (isprint(*p))
 252                                         printf("%c", *p & 0xff);
 253                                 else
 254                                         printf("\\%03o", *p & 0xff);
 255                         }
 256 #endif
 257                         printf("\"");
 258                 }
 259                 break;
 260         }
 261
 262         printf(" }\n");
 263
 264         return;
 265 }
 266
 267 static void
 268 kdebug_sadb_supported(struct sadb_ext *ext)
 269 {
 270         struct sadb_supported *sup = (struct sadb_supported *)ext;
 271         struct sadb_alg *alg;
 272         int len;
 273
 274         /* sanity check */
 275         if (ext == NULL)
 276                 panic("%s: NULL pointer was passed.\n", __func__);
 277
 278         len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
 279                 / sizeof(*alg);
 280         alg = (struct sadb_alg *)(sup + 1);
 281         printf("sadb_sup{\n");
 282         while (len--) {
 283                 printf("  { id=%d ivlen=%d min=%d max=%d }\n",
 284                         alg->sadb_alg_id, alg->sadb_alg_ivlen,
 285                         alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
 286                 alg++;
 287         }
 288         printf("}\n");
 289
 290         return;
 291 }
 292
 293 static void
 294 kdebug_sadb_lifetime(struct sadb_ext *ext)
 295 {
 296         struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
 297
 298         /* sanity check */
 299         if (ext == NULL)
 300                 panic("%s: NULL pointer was passed.\n", __func__);
 301
 302         printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
 303                 lft->sadb_lifetime_allocations,
 304                 (u_int32_t)lft->sadb_lifetime_bytes);
 305         printf("  addtime=%u, usetime=%u }\n",
 306                 (u_int32_t)lft->sadb_lifetime_addtime,
 307                 (u_int32_t)lft->sadb_lifetime_usetime);
 308
 309         return;
 310 }
 311
 312 static void
 313 kdebug_sadb_sa(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(struct sadb_ext *ext)
 332 {
 333         struct sadb_address *addr = (struct sadb_address *)ext;
 334
 335         /* sanity check */
 336         if (ext == NULL)
 337                 panic("%s: NULL pointer was passed.\n", __func__);
 338
 339         printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
 340             addr->sadb_address_proto, addr->sadb_address_prefixlen,
 341             ((u_char *)&addr->sadb_address_reserved)[0],
 342             ((u_char *)&addr->sadb_address_reserved)[1]);
 343
 344         kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
 345
 346         return;
 347 }
 348
 349 static void
 350 kdebug_sadb_key(struct sadb_ext *ext)
 351 {
 352         struct sadb_key *key = (struct sadb_key *)ext;
 353
 354         /* sanity check */
 355         if (ext == NULL)
 356                 panic("%s: NULL pointer was passed.\n", __func__);
 357
 358         printf("sadb_key{ bits=%u reserved=%u\n",
 359             key->sadb_key_bits, key->sadb_key_reserved);
 360         printf("  key=");
 361
 362         /* sanity check 2 */
 363         if ((key->sadb_key_bits >> 3) >
 364                 (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
 365                 printf("%s: key length mismatch, bit:%d len:%ld.\n",
 366                         __func__,
 367                         key->sadb_key_bits >> 3,
 368                         (long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
 369         }
 370
 371         ipsec_hexdump((caddr_t)key + sizeof(struct sadb_key),
 372                       key->sadb_key_bits >> 3);
 373         printf(" }\n");
 374         return;
 375 }
 376
 377 static void
 378 kdebug_sadb_x_sa2(struct sadb_ext *ext)
 379 {
 380         struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
 381
 382         /* sanity check */
 383         if (ext == NULL)
 384                 panic("%s: NULL pointer was passed.\n", __func__);
 385
 386         printf("sadb_x_sa2{ mode=%u reqid=%u\n",
 387             sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
 388         printf("  reserved1=%u reserved2=%u sequence=%u }\n",
 389             sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
 390             sa2->sadb_x_sa2_sequence);
 391
 392         return;
 393 }
 394
 395 void
 396 kdebug_sadb_x_policy(struct sadb_ext *ext)
 397 {
 398         struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
 399         struct sockaddr *addr;
 400
 401         /* sanity check */
 402         if (ext == NULL)
 403                 panic("%s: NULL pointer was passed.\n", __func__);
 404
 405         printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
 406                 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
 407                 xpl->sadb_x_policy_id);
 408
 409         if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
 410                 int tlen;
 411                 struct sadb_x_ipsecrequest *xisr;
 412
 413                 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
 414                 xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
 415
 416                 while (tlen > 0) {
 417                         printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
 418                                 xisr->sadb_x_ipsecrequest_len,
 419                                 xisr->sadb_x_ipsecrequest_proto,
 420                                 xisr->sadb_x_ipsecrequest_mode,
 421                                 xisr->sadb_x_ipsecrequest_level,
 422                                 xisr->sadb_x_ipsecrequest_reqid);
 423
 424                         if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
 425                                 addr = (struct sockaddr *)(xisr + 1);
 426                                 kdebug_sockaddr(addr);
 427                                 addr = (struct sockaddr *)((caddr_t)addr
 428                                                         + addr->sa_len);
 429                                 kdebug_sockaddr(addr);
 430                         }
 431
 432                         printf(" }\n");
 433
 434                         /* prevent infinite loop */
 435                         if (xisr->sadb_x_ipsecrequest_len <= 0) {
 436                                 printf("%s: wrong policy struct.\n", __func__);
 437                                 return;
 438                         }
 439                         /* prevent overflow */
 440                         if (xisr->sadb_x_ipsecrequest_len > tlen) {
 441                                 printf("%s: invalid ipsec policy length "
 442                                         "(%u > %u)\n", __func__,
 443                                         xisr->sadb_x_ipsecrequest_len, tlen);
 444                                 return;
 445                         }
 446
 447                         tlen -= xisr->sadb_x_ipsecrequest_len;
 448
 449                         xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
 450                                         + xisr->sadb_x_ipsecrequest_len);
 451                 }
 452
 453                 if (tlen != 0)
 454                         panic("%s: wrong policy struct.\n", __func__);
 455         }
 456
 457         return;
 458 }
 459
 460 #ifdef _KERNEL
 461 /* %%%: about SPD and SAD */
 462 const char*
 463 kdebug_secpolicy_state(u_int state)
 464 {
 465
 466         switch (state) {
 467         case IPSEC_SPSTATE_DEAD:
 468                 return ("dead");
 469         case IPSEC_SPSTATE_LARVAL:
 470                 return ("larval");
 471         case IPSEC_SPSTATE_ALIVE:
 472                 return ("alive");
 473         case IPSEC_SPSTATE_PCB:
 474                 return ("pcb");
 475         case IPSEC_SPSTATE_IFNET:
 476                 return ("ifnet");
 477         }
 478         return ("unknown");
 479 }
 480
 481 const char*
 482 kdebug_secpolicy_policy(u_int policy)
 483 {
 484
 485         switch (policy) {
 486         case IPSEC_POLICY_DISCARD:
 487                 return ("discard");
 488         case IPSEC_POLICY_NONE:
 489                 return ("none");
 490         case IPSEC_POLICY_IPSEC:
 491                 return ("ipsec");
 492         case IPSEC_POLICY_ENTRUST:
 493                 return ("entrust");
 494         case IPSEC_POLICY_BYPASS:
 495                 return ("bypass");
 496         }
 497         return ("unknown");
 498 }
 499
 500 const char*
 501 kdebug_secpolicyindex_dir(u_int dir)
 502 {
 503
 504         switch (dir) {
 505         case IPSEC_DIR_ANY:
 506                 return ("any");
 507         case IPSEC_DIR_INBOUND:
 508                 return ("in");
 509         case IPSEC_DIR_OUTBOUND:
 510                 return ("out");
 511         }
 512         return ("unknown");
 513 }
 514
 515 const char*
 516 kdebug_ipsecrequest_level(u_int level)
 517 {
 518
 519         switch (level) {
 520         case IPSEC_LEVEL_DEFAULT:
 521                 return ("default");
 522         case IPSEC_LEVEL_USE:
 523                 return ("use");
 524         case IPSEC_LEVEL_REQUIRE:
 525                 return ("require");
 526         case IPSEC_LEVEL_UNIQUE:
 527                 return ("unique");
 528         }
 529         return ("unknown");
 530 }
 531
 532 const char*
 533 kdebug_secasindex_mode(u_int mode)
 534 {
 535
 536         switch (mode) {
 537         case IPSEC_MODE_ANY:
 538                 return ("any");
 539         case IPSEC_MODE_TRANSPORT:
 540                 return ("transport");
 541         case IPSEC_MODE_TUNNEL:
 542                 return ("tunnel");
 543         case IPSEC_MODE_TCPMD5:
 544                 return ("tcp-md5");
 545         }
 546         return ("unknown");
 547 }
 548
 549 const char*
 550 kdebug_secasv_state(u_int state)
 551 {
 552
 553         switch (state) {
 554         case SADB_SASTATE_LARVAL:
 555                 return ("larval");
 556         case SADB_SASTATE_MATURE:
 557                 return ("mature");
 558         case SADB_SASTATE_DYING:
 559                 return ("dying");
 560         case SADB_SASTATE_DEAD:
 561                 return ("dead");
 562         }
 563         return ("unknown");
 564 }
 565
 566 static char*
 567 kdebug_port2str(const struct sockaddr *sa, char *buf, size_t len)
 568 {
 569         uint16_t port;
 570
 571         IPSEC_ASSERT(sa != NULL, ("null sa"));
 572         switch (sa->sa_family) {
 573 #ifdef INET
 574         case AF_INET:
 575                 port = ntohs(((const struct sockaddr_in *)sa)->sin_port);
 576                 break;
 577 #endif
 578 #ifdef INET6
 579         case AF_INET6:
 580                 port = ntohs(((const struct sockaddr_in6 *)sa)->sin6_port);
 581                 break;
 582 #endif
 583         default:
 584                 port = 0;
 585         }
 586         if (port == 0)
 587                 return ("*");
 588         snprintf(buf, len, "%u", port);
 589         return (buf);
 590 }
 591
 592 void
 593 kdebug_secpolicy(struct secpolicy *sp)
 594 {
 595         u_int idx;
 596
 597         IPSEC_ASSERT(sp != NULL, ("null sp"));
 598         printf("SP { refcnt=%u id=%u priority=%u state=%s policy=%s\n",
 599             sp->refcnt, sp->id, sp->priority,
 600             kdebug_secpolicy_state(sp->state),
 601             kdebug_secpolicy_policy(sp->policy));
 602         kdebug_secpolicyindex(&sp->spidx, "  ");
 603         for (idx = 0; idx < sp->tcount; idx++) {
 604                 printf("  req[%u]{ level=%s ", idx,
 605                     kdebug_ipsecrequest_level(sp->req[idx]->level));
 606                 kdebug_secasindex(&sp->req[idx]->saidx, NULL);
 607                 printf("  }\n");
 608         }
 609         printf("}\n");
 610 }
 611
 612 void
 613 kdebug_secpolicyindex(struct secpolicyindex *spidx, const char *indent)
 614 {
 615         char buf[IPSEC_ADDRSTRLEN];
 616
 617         IPSEC_ASSERT(spidx != NULL, ("null spidx"));
 618         if (indent != NULL)
 619                 printf("%s", indent);
 620         printf("spidx { dir=%s ul_proto=",
 621             kdebug_secpolicyindex_dir(spidx->dir));
 622         if (spidx->ul_proto == IPSEC_ULPROTO_ANY)
 623                 printf("* ");
 624         else
 625                 printf("%u ", spidx->ul_proto);
 626         printf("%s/%u -> ", ipsec_address(&spidx->src, buf, sizeof(buf)),
 627             spidx->prefs);
 628         printf("%s/%u }\n", ipsec_address(&spidx->dst, buf, sizeof(buf)),
 629             spidx->prefd);
 630 }
 631
 632 void
 633 kdebug_secasindex(const struct secasindex *saidx, const char *indent)
 634 {
 635         char buf[IPSEC_ADDRSTRLEN], port[6];
 636
 637         IPSEC_ASSERT(saidx != NULL, ("null saidx"));
 638         if (indent != NULL)
 639                 printf("%s", indent);
 640         printf("saidx { mode=%s proto=%u reqid=%u ",
 641             kdebug_secasindex_mode(saidx->mode), saidx->proto, saidx->reqid);
 642         printf("%s:%s -> ", ipsec_address(&saidx->src, buf, sizeof(buf)),
 643             kdebug_port2str(&saidx->src.sa, port, sizeof(port)));
 644         printf("%s:%s }\n", ipsec_address(&saidx->dst, buf, sizeof(buf)),
 645             kdebug_port2str(&saidx->dst.sa, port, sizeof(port)));
 646 }
 647
 648 static void
 649 kdebug_sec_lifetime(struct seclifetime *lft, const char *indent)
 650 {
 651
 652         IPSEC_ASSERT(lft != NULL, ("null lft"));
 653         if (indent != NULL)
 654                 printf("%s", indent);
 655         printf("lifetime { alloc=%u, bytes=%ju addtime=%ju usetime=%ju }\n",
 656             lft->allocations, (uintmax_t)lft->bytes, (uintmax_t)lft->addtime,
 657             (uintmax_t)lft->usetime);
 658 }
 659
 660 void
 661 kdebug_secash(struct secashead *sah, const char *indent)
 662 {
 663
 664         IPSEC_ASSERT(sah != NULL, ("null sah"));
 665         if (indent != NULL)
 666                 printf("%s", indent);
 667         printf("SAH { refcnt=%u state=%s\n", sah->refcnt,
 668             kdebug_secasv_state(sah->state));
 669         if (indent != NULL)
 670                 printf("%s", indent);
 671         kdebug_secasindex(&sah->saidx, indent);
 672         if (indent != NULL)
 673                 printf("%s", indent);
 674         printf("}\n");
 675 }
 676
 677 static void
 678 kdebug_secreplay(struct secreplay *rpl)
 679 {
 680         int len, l;
 681
 682         IPSEC_ASSERT(rpl != NULL, ("null rpl"));
 683         printf(" secreplay{ count=%u bitmap_size=%u wsize=%u seq=%u lastseq=%u",
 684             rpl->count, rpl->bitmap_size, rpl->wsize, rpl->seq, rpl->lastseq);
 685
 686         if (rpl->bitmap == NULL) {
 687                 printf("  }\n");
 688                 return;
 689         }
 690
 691         printf("\n    bitmap { ");
 692         for (len = 0; len < rpl->bitmap_size*4; len++) {
 693                 for (l = 7; l >= 0; l--)
 694                         printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
 695         }
 696         printf("    }\n");
 697 }
 698
 699 static void
 700 kdebug_secnatt(struct secnatt *natt)
 701 {
 702         char buf[IPSEC_ADDRSTRLEN];
 703
 704         IPSEC_ASSERT(natt != NULL, ("null natt"));
 705         printf("  natt{ sport=%u dport=%u ", ntohs(natt->sport),
 706             ntohs(natt->dport));
 707         if (natt->flags & IPSEC_NATT_F_OAI)
 708                 printf("oai=%s ", ipsec_address(&natt->oai, buf, sizeof(buf)));
 709         if (natt->flags & IPSEC_NATT_F_OAR)
 710                 printf("oar=%s ", ipsec_address(&natt->oar, buf, sizeof(buf)));
 711         printf("}\n");
 712 }
 713
 714 void
 715 kdebug_secasv(struct secasvar *sav)
 716 {
 717         struct seclifetime lft_c;
 718
 719         IPSEC_ASSERT(sav != NULL, ("null sav"));
 720
 721         printf("SA { refcnt=%u spi=%u seq=%u pid=%u flags=0x%x state=%s\n",
 722             sav->refcnt, ntohl(sav->spi), sav->seq, (uint32_t)sav->pid,
 723             sav->flags, kdebug_secasv_state(sav->state));
 724         kdebug_secash(sav->sah, "  ");
 725
 726         lft_c.addtime = sav->created;
 727         lft_c.allocations = (uint32_t)counter_u64_fetch(
 728             sav->lft_c_allocations);
 729         lft_c.bytes = counter_u64_fetch(sav->lft_c_bytes);
 730         lft_c.usetime = sav->firstused;
 731         kdebug_sec_lifetime(&lft_c, "  c_");
 732         if (sav->lft_h != NULL)
 733                 kdebug_sec_lifetime(sav->lft_h, "  h_");
 734         if (sav->lft_s != NULL)
 735                 kdebug_sec_lifetime(sav->lft_s, "  s_");
 736
 737         if (sav->tdb_authalgxform != NULL)
 738                 printf("  alg_auth=%s\n", sav->tdb_authalgxform->name);
 739         if (sav->key_auth != NULL)
 740                 KEYDBG(DUMP,
 741                     kdebug_sadb_key((struct sadb_ext *)sav->key_auth));
 742         if (sav->tdb_encalgxform != NULL)
 743                 printf("  alg_enc=%s\n", sav->tdb_encalgxform->name);
 744         if (sav->key_enc != NULL)
 745                 KEYDBG(DUMP,
 746                     kdebug_sadb_key((struct sadb_ext *)sav->key_enc));
 747         if (sav->natt != NULL)
 748                 kdebug_secnatt(sav->natt);
 749         if (sav->replay != NULL) {
 750                 KEYDBG(DUMP,
 751                     SECASVAR_LOCK(sav);
 752                     kdebug_secreplay(sav->replay);
 753                     SECASVAR_UNLOCK(sav));
 754         }
 755         printf("}\n");
 756 }
 757
 758 void
 759 kdebug_mbufhdr(const struct mbuf *m)
 760 {
 761         /* sanity check */
 762         if (m == NULL)
 763                 return;
 764
 765         printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
 766                "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
 767                 m, m->m_next, m->m_nextpkt, m->m_data,
 768                 m->m_len, m->m_type, m->m_flags);
 769
 770         if (m->m_flags & M_PKTHDR) {
 771                 printf("  m_pkthdr{ len:%d rcvif:%p }\n",
 772                     m->m_pkthdr.len, m->m_pkthdr.rcvif);
 773         }
 774
 775         if (m->m_flags & M_EXT) {
 776                 printf("  m_ext{ ext_buf:%p ext_free:%p "
 777                        "ext_size:%u ext_cnt:%p }\n",
 778                         m->m_ext.ext_buf, m->m_ext.ext_free,
 779                         m->m_ext.ext_size, m->m_ext.ext_cnt);
 780         }
 781
 782         return;
 783 }
 784
 785 void
 786 kdebug_mbuf(const struct mbuf *m0)
 787 {
 788         const struct mbuf *m = m0;
 789         int i, j;
 790
 791         for (j = 0; m; m = m->m_next) {
 792                 kdebug_mbufhdr(m);
 793                 printf("  m_data:\n");
 794                 for (i = 0; i < m->m_len; i++) {
 795                         if (i && i % 32 == 0)
 796                                 printf("\n");
 797                         if (i % 4 == 0)
 798                                 printf(" ");
 799                         printf("%02x", mtod(m, const u_char *)[i]);
 800                         j++;
 801                 }
 802                 printf("\n");
 803         }
 804
 805         return;
 806 }
 807
 808 /* Return a printable string for the address. */
 809 char *
 810 ipsec_address(const union sockaddr_union* sa, char *buf, socklen_t size)
 811 {
 812
 813         switch (sa->sa.sa_family) {
 814 #ifdef INET
 815         case AF_INET:
 816                 return (inet_ntop(AF_INET, &sa->sin.sin_addr, buf, size));
 817 #endif /* INET */
 818 #ifdef INET6
 819         case AF_INET6:
 820                 if (IN6_IS_SCOPE_LINKLOCAL(&sa->sin6.sin6_addr)) {
 821                         snprintf(buf, size, "%s%%%u", inet_ntop(AF_INET6,
 822                             &sa->sin6.sin6_addr, buf, size),
 823                             sa->sin6.sin6_scope_id);
 824                         return (buf);
 825                 } else
 826                         return (inet_ntop(AF_INET6, &sa->sin6.sin6_addr,
 827                             buf, size));
 828 #endif /* INET6 */
 829         case 0:
 830                 return ("*");
 831         default:
 832                 return ("(unknown address family)");
 833         }
 834 }
 835
 836 char *
 837 ipsec_sa2str(struct secasvar *sav, char *buf, size_t size)
 838 {
 839         char sbuf[IPSEC_ADDRSTRLEN], dbuf[IPSEC_ADDRSTRLEN];
 840
 841         snprintf(buf, size, "SA(SPI=%08lx src=%s dst=%s)",
 842             (u_long)ntohl(sav->spi),
 843             ipsec_address(&sav->sah->saidx.src, sbuf, sizeof(sbuf)),
 844             ipsec_address(&sav->sah->saidx.dst, dbuf, sizeof(dbuf)));
 845         return (buf);
 846 }
 847
 848 #endif /* _KERNEL */
 849
 850 void
 851 kdebug_sockaddr(struct sockaddr *addr)
 852 {
 853         struct sockaddr_in *sin4;
 854 #ifdef INET6
 855         struct sockaddr_in6 *sin6;
 856 #endif
 857
 858         /* sanity check */
 859         if (addr == NULL)
 860                 panic("%s: NULL pointer was passed.\n", __func__);
 861
 862         /* NOTE: We deal with port number as host byte order. */
 863         printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
 864
 865         switch (addr->sa_family) {
 866         case AF_INET:
 867                 sin4 = (struct sockaddr_in *)addr;
 868                 printf(" port=%u\n", ntohs(sin4->sin_port));
 869                 ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
 870                 break;
 871 #ifdef INET6
 872         case AF_INET6:
 873                 sin6 = (struct sockaddr_in6 *)addr;
 874                 printf(" port=%u\n", ntohs(sin6->sin6_port));
 875                 printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
 876                     sin6->sin6_flowinfo, sin6->sin6_scope_id);
 877                 ipsec_hexdump((caddr_t)&sin6->sin6_addr,
 878                     sizeof(sin6->sin6_addr));
 879                 break;
 880 #endif
 881         }
 882
 883         printf("  }\n");
 884
 885         return;
 886 }
 887
 888 void
 889 ipsec_bindump(caddr_t buf, int len)
 890 {
 891         int i;
 892
 893         for (i = 0; i < len; i++)
 894                 printf("%c", (unsigned char)buf[i]);
 895
 896         return;
 897 }
 898
 899
 900 void
 901 ipsec_hexdump(caddr_t buf, int len)
 902 {
 903         int i;
 904
 905         for (i = 0; i < len; i++) {
 906                 if (i != 0 && i % 32 == 0) printf("\n");
 907                 if (i % 4 == 0) printf(" ");
 908                 printf("%02x", (unsigned char)buf[i]);
 909         }
 910 #if 0
 911         if (i % 32 != 0) printf("\n");
 912 #endif
 913
 914         return;
 915 }