The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/netkey/key_debug.c

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    1 /*      $KAME: key_debug.c,v 1.38 2003/09/06 05:15:44 itojun Exp $      */
    2 
    3 /*-
    4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the project nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #ifdef _KERNEL
   36 #include "opt_inet.h"
   37 #include "opt_inet6.h"
   38 #include "opt_ipsec.h"
   39 #endif
   40 
   41 #include <sys/types.h>
   42 #include <sys/param.h>
   43 #ifdef _KERNEL
   44 #include <sys/systm.h>
   45 #include <sys/mbuf.h>
   46 #include <sys/queue.h>
   47 #endif
   48 #include <sys/socket.h>
   49 
   50 #include <net/route.h>
   51 
   52 #include <netkey/key_var.h>
   53 #include <netkey/key_debug.h>
   54 
   55 #include <netinet/in.h>
   56 #include <netinet6/ipsec.h>
   57 
   58 #ifndef _KERNEL
   59 #include <ctype.h>
   60 #include <stdio.h>
   61 #include <stdlib.h>
   62 #endif /* !_KERNEL */
   63 
   64 struct typestr {
   65         const char      *string;
   66         u_int           type;
   67 };
   68 #define TYPESTR(x)      { "SADB_" #x, SADB_ ## x }
   69 
   70 static const char *kdebug_typestr(u_int, const struct typestr *);
   71 static const char *kdebug_sadb_msg_typestr(u_int);
   72 static const char *kdebug_sadb_ext_typestr(u_int);
   73 static void kdebug_sadb_prop(struct sadb_ext *);
   74 static void kdebug_sadb_identity(struct sadb_ext *);
   75 static void kdebug_sadb_supported(struct sadb_ext *);
   76 static void kdebug_sadb_lifetime(struct sadb_ext *);
   77 static void kdebug_sadb_sa(struct sadb_ext *);
   78 static void kdebug_sadb_address(struct sadb_ext *);
   79 static void kdebug_sadb_key(struct sadb_ext *);
   80 static void kdebug_sadb_x_sa2(struct sadb_ext *);
   81 
   82 #ifdef _KERNEL
   83 static void kdebug_secreplay(struct secreplay *);
   84 #endif
   85 
   86 #ifndef _KERNEL
   87 #define panic(param)    { printf(param); exit(1); }
   88 #endif
   89 
   90 static const char *
   91 kdebug_typestr(type, list)
   92         u_int type;
   93         const struct typestr *list;
   94 {
   95         static char buf[32];
   96 
   97         while (list->string != NULL) {
   98                 if (type == list->type)
   99                         return (list->string);
  100                 list++;
  101         }
  102         snprintf(buf, sizeof(buf), "%u", type);
  103 
  104         return (buf);
  105 }
  106 
  107 static const char *
  108 kdebug_sadb_msg_typestr(type)
  109         u_int type;
  110 {
  111         static const struct typestr list[] = {
  112                 TYPESTR(RESERVED),
  113                 TYPESTR(GETSPI),
  114                 TYPESTR(UPDATE),
  115                 TYPESTR(ADD),
  116                 TYPESTR(DELETE),
  117                 TYPESTR(GET),
  118                 TYPESTR(ACQUIRE),
  119                 TYPESTR(REGISTER),
  120                 TYPESTR(EXPIRE),
  121                 TYPESTR(FLUSH),
  122                 TYPESTR(DUMP),
  123                 TYPESTR(X_PROMISC),
  124                 TYPESTR(X_PCHANGE),
  125                 TYPESTR(X_SPDUPDATE),
  126                 TYPESTR(X_SPDADD),
  127                 TYPESTR(X_SPDDELETE),
  128                 TYPESTR(X_SPDGET),
  129                 TYPESTR(X_SPDACQUIRE),
  130                 TYPESTR(X_SPDDUMP),
  131                 TYPESTR(X_SPDFLUSH),
  132                 TYPESTR(X_SPDSETIDX),
  133                 TYPESTR(X_SPDEXPIRE),
  134                 TYPESTR(X_SPDDELETE2),
  135                 { NULL }
  136         };
  137 
  138         return kdebug_typestr(type, list);
  139 }
  140 
  141 static const char *
  142 kdebug_sadb_ext_typestr(type)
  143         u_int type;
  144 {
  145         static const struct typestr list[] = {
  146                 TYPESTR(EXT_RESERVED),
  147                 TYPESTR(EXT_SA),
  148                 TYPESTR(EXT_LIFETIME_CURRENT),
  149                 TYPESTR(EXT_LIFETIME_HARD),
  150                 TYPESTR(EXT_LIFETIME_SOFT),
  151                 TYPESTR(EXT_ADDRESS_SRC),
  152                 TYPESTR(EXT_ADDRESS_DST),
  153                 TYPESTR(EXT_ADDRESS_PROXY),
  154                 TYPESTR(EXT_KEY_AUTH),
  155                 TYPESTR(EXT_KEY_ENCRYPT),
  156                 TYPESTR(EXT_IDENTITY_SRC),
  157                 TYPESTR(EXT_IDENTITY_DST),
  158                 TYPESTR(EXT_SENSITIVITY),
  159                 TYPESTR(EXT_PROPOSAL),
  160                 TYPESTR(EXT_SUPPORTED_AUTH),
  161                 TYPESTR(EXT_SUPPORTED_ENCRYPT),
  162                 TYPESTR(EXT_SPIRANGE),
  163                 TYPESTR(X_EXT_KMPRIVATE),
  164                 TYPESTR(X_EXT_POLICY),
  165                 TYPESTR(X_EXT_SA2),
  166                 { NULL }
  167         };
  168 
  169         return kdebug_typestr(type, list);
  170 }
  171 
  172 /* NOTE: host byte order */
  173 
  174 /* %%%: about struct sadb_msg */
  175 void
  176 kdebug_sadb(base)
  177         struct sadb_msg *base;
  178 {
  179         struct sadb_ext *ext;
  180         int tlen, extlen;
  181 
  182         /* sanity check */
  183         if (base == NULL)
  184                 panic("kdebug_sadb: NULL pointer was passed.");
  185 
  186         printf("sadb_msg{ version=%u type=%s errno=%u satype=%u\n",
  187             base->sadb_msg_version,
  188             kdebug_sadb_msg_typestr(base->sadb_msg_type),
  189             base->sadb_msg_errno, base->sadb_msg_satype);
  190         printf("  len=%u reserved=%u seq=%u pid=%u\n",
  191             base->sadb_msg_len, base->sadb_msg_reserved,
  192             base->sadb_msg_seq, base->sadb_msg_pid);
  193 
  194         tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
  195         ext = (struct sadb_ext *)((caddr_t)base + sizeof(struct sadb_msg));
  196 
  197         while (tlen > 0) {
  198                 printf("sadb_ext{ len=%u type=%s }\n",
  199                     ext->sadb_ext_len,
  200                     kdebug_sadb_ext_typestr(ext->sadb_ext_type));
  201 
  202                 if (ext->sadb_ext_len == 0) {
  203                         printf("kdebug_sadb: invalid ext_len=0 was passed.\n");
  204                         return;
  205                 }
  206                 if (ext->sadb_ext_len > tlen) {
  207                         printf("kdebug_sadb: ext_len exceeds end of buffer.\n");
  208                         return;
  209                 }
  210 
  211                 switch (ext->sadb_ext_type) {
  212                 case SADB_EXT_SA:
  213                         kdebug_sadb_sa(ext);
  214                         break;
  215                 case SADB_EXT_LIFETIME_CURRENT:
  216                 case SADB_EXT_LIFETIME_HARD:
  217                 case SADB_EXT_LIFETIME_SOFT:
  218                         kdebug_sadb_lifetime(ext);
  219                         break;
  220                 case SADB_EXT_ADDRESS_SRC:
  221                 case SADB_EXT_ADDRESS_DST:
  222                 case SADB_EXT_ADDRESS_PROXY:
  223                         kdebug_sadb_address(ext);
  224                         break;
  225                 case SADB_EXT_KEY_AUTH:
  226                 case SADB_EXT_KEY_ENCRYPT:
  227                         kdebug_sadb_key(ext);
  228                         break;
  229                 case SADB_EXT_IDENTITY_SRC:
  230                 case SADB_EXT_IDENTITY_DST:
  231                         kdebug_sadb_identity(ext);
  232                         break;
  233                 case SADB_EXT_SENSITIVITY:
  234                         break;
  235                 case SADB_EXT_PROPOSAL:
  236                         kdebug_sadb_prop(ext);
  237                         break;
  238                 case SADB_EXT_SUPPORTED_AUTH:
  239                 case SADB_EXT_SUPPORTED_ENCRYPT:
  240                         kdebug_sadb_supported(ext);
  241                         break;
  242                 case SADB_EXT_SPIRANGE:
  243                 case SADB_X_EXT_KMPRIVATE:
  244                         break;
  245                 case SADB_X_EXT_POLICY:
  246                         kdebug_sadb_x_policy(ext);
  247                         break;
  248                 case SADB_X_EXT_SA2:
  249                         kdebug_sadb_x_sa2(ext);
  250                         break;
  251                 default:
  252                         printf("kdebug_sadb: invalid ext_type %u was passed.\n",
  253                             ext->sadb_ext_type);
  254                         return;
  255                 }
  256 
  257                 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
  258                 tlen -= extlen;
  259                 ext = (struct sadb_ext *)((caddr_t)ext + extlen);
  260         }
  261 
  262         return;
  263 }
  264 
  265 static void
  266 kdebug_sadb_prop(ext)
  267         struct sadb_ext *ext;
  268 {
  269         struct sadb_prop *prop = (struct sadb_prop *)ext;
  270         struct sadb_comb *comb;
  271         int len;
  272 
  273         /* sanity check */
  274         if (ext == NULL)
  275                 panic("kdebug_sadb_prop: NULL pointer was passed.");
  276 
  277         len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
  278                 / sizeof(*comb);
  279         comb = (struct sadb_comb *)(prop + 1);
  280         printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
  281 
  282         while (len--) {
  283                 printf("sadb_comb{ auth=%u encrypt=%u "
  284                         "flags=0x%04x reserved=0x%08x\n",
  285                         comb->sadb_comb_auth, comb->sadb_comb_encrypt,
  286                         comb->sadb_comb_flags, comb->sadb_comb_reserved);
  287 
  288                 printf("  auth_minbits=%u auth_maxbits=%u "
  289                         "encrypt_minbits=%u encrypt_maxbits=%u\n",
  290                         comb->sadb_comb_auth_minbits,
  291                         comb->sadb_comb_auth_maxbits,
  292                         comb->sadb_comb_encrypt_minbits,
  293                         comb->sadb_comb_encrypt_maxbits);
  294 
  295                 printf("  soft_alloc=%u hard_alloc=%u "
  296                         "soft_bytes=%lu hard_bytes=%lu\n",
  297                         comb->sadb_comb_soft_allocations,
  298                         comb->sadb_comb_hard_allocations,
  299                         (unsigned long)comb->sadb_comb_soft_bytes,
  300                         (unsigned long)comb->sadb_comb_hard_bytes);
  301 
  302                 printf("  soft_alloc=%lu hard_alloc=%lu "
  303                         "soft_bytes=%lu hard_bytes=%lu }\n",
  304                         (unsigned long)comb->sadb_comb_soft_addtime,
  305                         (unsigned long)comb->sadb_comb_hard_addtime,
  306                         (unsigned long)comb->sadb_comb_soft_usetime,
  307                         (unsigned long)comb->sadb_comb_hard_usetime);
  308                 comb++;
  309         }
  310         printf("}\n");
  311 
  312         return;
  313 }
  314 
  315 static void
  316 kdebug_sadb_identity(ext)
  317         struct sadb_ext *ext;
  318 {
  319         struct sadb_ident *id = (struct sadb_ident *)ext;
  320         int len;
  321 
  322         /* sanity check */
  323         if (ext == NULL)
  324                 panic("kdebug_sadb_identity: NULL pointer was passed.");
  325 
  326         len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
  327         printf("sadb_ident_%s{",
  328             id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
  329         switch (id->sadb_ident_type) {
  330         default:
  331                 printf(" type=%u id=%lu",
  332                         id->sadb_ident_type, (u_long)id->sadb_ident_id);
  333                 if (len) {
  334 #ifdef _KERNEL
  335                         ipsec_hexdump((caddr_t)(id + 1), len); /*XXX cast ?*/
  336 #else
  337                         char *p, *ep;
  338                         printf("\n  str=\"");
  339                         p = (char *)(id + 1);
  340                         ep = p + len;
  341                         for (/*nothing*/; *p && p < ep; p++) {
  342                                 if (isprint(*p))
  343                                         printf("%c", *p & 0xff);
  344                                 else
  345                                         printf("\\%03o", *p & 0xff);
  346                         }
  347 #endif
  348                         printf("\"");
  349                 }
  350                 break;
  351         }
  352 
  353         printf(" }\n");
  354 
  355         return;
  356 }
  357 
  358 static void
  359 kdebug_sadb_supported(ext)
  360         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("kdebug_sadb_supported: NULL pointer was passed.");
  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=%u ivlen=%u min=%u max=%u }\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
  386 kdebug_sadb_lifetime(ext)
  387         struct sadb_ext *ext;
  388 {
  389         struct sadb_lifetime *lft = (struct sadb_lifetime *)ext;
  390 
  391         /* sanity check */
  392         if (ext == NULL)
  393                 printf("kdebug_sadb_lifetime: NULL pointer was passed.\n");
  394 
  395         printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
  396                 lft->sadb_lifetime_allocations,
  397                 (u_int32_t)lft->sadb_lifetime_bytes);
  398         printf("  addtime=%u, usetime=%u }\n",
  399                 (u_int32_t)lft->sadb_lifetime_addtime,
  400                 (u_int32_t)lft->sadb_lifetime_usetime);
  401 
  402         return;
  403 }
  404 
  405 static void
  406 kdebug_sadb_sa(ext)
  407         struct sadb_ext *ext;
  408 {
  409         struct sadb_sa *sa = (struct sadb_sa *)ext;
  410 
  411         /* sanity check */
  412         if (ext == NULL)
  413                 panic("kdebug_sadb_sa: NULL pointer was passed.");
  414 
  415         printf("sadb_sa{ spi=%u replay=%u state=%u\n",
  416             (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
  417             sa->sadb_sa_state);
  418         printf("  auth=%u encrypt=%u flags=0x%08x }\n",
  419             sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
  420 
  421         return;
  422 }
  423 
  424 static void
  425 kdebug_sadb_address(ext)
  426         struct sadb_ext *ext;
  427 {
  428         struct sadb_address *addr = (struct sadb_address *)ext;
  429 
  430         /* sanity check */
  431         if (ext == NULL)
  432                 panic("kdebug_sadb_address: NULL pointer was passed.");
  433 
  434         printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
  435             addr->sadb_address_proto, addr->sadb_address_prefixlen,
  436             ((u_char *)&addr->sadb_address_reserved)[0],
  437             ((u_char *)&addr->sadb_address_reserved)[1]);
  438 
  439         kdebug_sockaddr((struct sockaddr *)((caddr_t)ext + sizeof(*addr)));
  440 
  441         return;
  442 }
  443 
  444 static void
  445 kdebug_sadb_key(ext)
  446         struct sadb_ext *ext;
  447 {
  448         struct sadb_key *key = (struct sadb_key *)ext;
  449 
  450         /* sanity check */
  451         if (ext == NULL)
  452                 panic("kdebug_sadb_key: NULL pointer was passed.");
  453 
  454         printf("sadb_key{ bits=%u reserved=%u\n",
  455             key->sadb_key_bits, key->sadb_key_reserved);
  456         printf("  key=");
  457 
  458         /* sanity check 2 */
  459         if ((key->sadb_key_bits >> 3) >
  460                 (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
  461                 printf("kdebug_sadb_key: key length mismatch, bit:%u len:%ld.\n",
  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
  473 kdebug_sadb_x_sa2(ext)
  474         struct sadb_ext *ext;
  475 {
  476         struct sadb_x_sa2 *sa2 = (struct sadb_x_sa2 *)ext;
  477 
  478         /* sanity check */
  479         if (ext == NULL)
  480                 panic("kdebug_sadb_x_sa2: NULL pointer was passed.");
  481 
  482         printf("sadb_x_sa2{ mode=%u reqid=%u\n",
  483             sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
  484         printf("  reserved1=%u reserved2=%u sequence=%u }\n",
  485             sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
  486             sa2->sadb_x_sa2_sequence);
  487 
  488         return;
  489 }
  490 
  491 void
  492 kdebug_sadb_x_policy(ext)
  493         struct sadb_ext *ext;
  494 {
  495         struct sadb_x_policy *xpl = (struct sadb_x_policy *)ext;
  496         struct sockaddr *addr;
  497 
  498         /* sanity check */
  499         if (ext == NULL)
  500                 panic("kdebug_sadb_x_policy: NULL pointer was passed.");
  501 
  502         printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
  503                 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
  504                 xpl->sadb_x_policy_id);
  505 
  506         if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
  507                 int tlen;
  508                 struct sadb_x_ipsecrequest *xisr;
  509 
  510                 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
  511                 xisr = (struct sadb_x_ipsecrequest *)(xpl + 1);
  512 
  513                 while (tlen > 0) {
  514                         printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
  515                                 xisr->sadb_x_ipsecrequest_len,
  516                                 xisr->sadb_x_ipsecrequest_proto,
  517                                 xisr->sadb_x_ipsecrequest_mode,
  518                                 xisr->sadb_x_ipsecrequest_level,
  519                                 xisr->sadb_x_ipsecrequest_reqid);
  520 
  521                         if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
  522                                 addr = (struct sockaddr *)(xisr + 1);
  523                                 kdebug_sockaddr(addr);
  524                                 addr = (struct sockaddr *)((caddr_t)addr
  525                                                         + addr->sa_len);
  526                                 kdebug_sockaddr(addr);
  527                         }
  528 
  529                         printf(" }\n");
  530 
  531                         /* prevent infinite loop */
  532                         if (xisr->sadb_x_ipsecrequest_len <= 0) {
  533                                 printf("kdebug_sadb_x_policy: wrong policy struct.\n");
  534                                 return;
  535                         }
  536                         /* prevent overflow */
  537                         if (xisr->sadb_x_ipsecrequest_len > tlen) {
  538                                 printf("invalid ipsec policy length\n");
  539                                 return;
  540                         }
  541 
  542                         tlen -= xisr->sadb_x_ipsecrequest_len;
  543 
  544                         xisr = (struct sadb_x_ipsecrequest *)((caddr_t)xisr
  545                                         + xisr->sadb_x_ipsecrequest_len);
  546                 }
  547 
  548                 if (tlen != 0)
  549                         panic("kdebug_sadb_x_policy: wrong policy struct.");
  550         }
  551 
  552         return;
  553 }
  554 
  555 #ifdef _KERNEL
  556 /* %%%: about SPD and SAD */
  557 void
  558 kdebug_secpolicy(sp)
  559         struct secpolicy *sp;
  560 {
  561         /* sanity check */
  562         if (sp == NULL)
  563                 panic("kdebug_secpolicy: NULL pointer was passed.");
  564 
  565         printf("secpolicy{ refcnt=%u state=%u policy=%u dir=%u\n",
  566                 sp->refcnt, sp->state, sp->policy, sp->dir);
  567 
  568         if (sp->spidx)
  569                 kdebug_secpolicyindex(sp->spidx);
  570 
  571         switch (sp->policy) {
  572         case IPSEC_POLICY_DISCARD:
  573                 printf("  type=discard }\n");
  574                 break;
  575         case IPSEC_POLICY_NONE:
  576                 printf("  type=none }\n");
  577                 break;
  578         case IPSEC_POLICY_IPSEC:
  579             {
  580                 struct ipsecrequest *isr;
  581                 for (isr = sp->req; isr != NULL; isr = isr->next) {
  582 
  583                         printf("  level=%u\n", isr->level);
  584                         kdebug_secasindex(&isr->saidx);
  585 
  586                         if (isr->sav != NULL)
  587                                 kdebug_secasv(isr->sav);
  588                 }
  589                 printf("  }\n");
  590             }
  591                 break;
  592         case IPSEC_POLICY_BYPASS:
  593                 printf("  type=bypass }\n");
  594                 break;
  595         case IPSEC_POLICY_ENTRUST:
  596                 printf("  type=entrust }\n");
  597                 break;
  598         default:
  599                 printf("kdebug_secpolicy: Invalid policy found. %u\n",
  600                         sp->policy);
  601                 break;
  602         }
  603 
  604         return;
  605 }
  606 
  607 void
  608 kdebug_secpolicyindex(spidx)
  609         struct secpolicyindex *spidx;
  610 {
  611         /* sanity check */
  612         if (spidx == NULL)
  613                 panic("kdebug_secpolicyindex: NULL pointer was passed.");
  614 
  615         printf("secpolicyindex{ prefs=%u prefd=%u ul_proto=%u\n",
  616             spidx->prefs, spidx->prefd, spidx->ul_proto);
  617 
  618         ipsec_hexdump((caddr_t)&spidx->src,
  619                 ((struct sockaddr *)&spidx->src)->sa_len);
  620         printf("\n");
  621         ipsec_hexdump((caddr_t)&spidx->dst,
  622                 ((struct sockaddr *)&spidx->dst)->sa_len);
  623         printf("}\n");
  624 
  625         return;
  626 }
  627 
  628 void
  629 kdebug_secasindex(saidx)
  630         struct secasindex *saidx;
  631 {
  632         /* sanity check */
  633         if (saidx == NULL)
  634                 panic("kdebug_secpolicyindex: NULL pointer was passed.");
  635 
  636         printf("secasindex{ mode=%u proto=%u\n", saidx->mode, saidx->proto);
  637 
  638         ipsec_hexdump((caddr_t)&saidx->src,
  639                 ((struct sockaddr *)&saidx->src)->sa_len);
  640         printf("\n");
  641         ipsec_hexdump((caddr_t)&saidx->dst,
  642                 ((struct sockaddr *)&saidx->dst)->sa_len);
  643         printf("\n");
  644 
  645         return;
  646 }
  647 
  648 void
  649 kdebug_secasv(sav)
  650         struct secasvar *sav;
  651 {
  652         /* sanity check */
  653         if (sav == NULL)
  654                 panic("kdebug_secasv: NULL pointer was passed.");
  655 
  656         printf("secas{");
  657         kdebug_secasindex(&sav->sah->saidx);
  658 
  659         printf("  refcnt=%u state=%u auth=%u enc=%u\n",
  660             sav->refcnt, sav->state, sav->alg_auth, sav->alg_enc);
  661         printf("  spi=%u flags=%u\n",
  662             (u_int32_t)ntohl(sav->spi), sav->flags);
  663 
  664         if (sav->key_auth != NULL)
  665                 kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
  666         if (sav->key_enc != NULL)
  667                 kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
  668         if (sav->iv != NULL) {
  669                 printf("  iv=");
  670                 ipsec_hexdump(sav->iv, sav->ivlen ? sav->ivlen : 8);
  671                 printf("\n");
  672         }
  673 
  674         if (sav->replay != NULL)
  675                 kdebug_secreplay(sav->replay);
  676         if (sav->lft_c != NULL)
  677                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
  678         if (sav->lft_h != NULL)
  679                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
  680         if (sav->lft_s != NULL)
  681                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
  682 
  683 #if notyet
  684         /* XXX: misc[123] ? */
  685 #endif
  686 
  687         return;
  688 }
  689 
  690 static void
  691 kdebug_secreplay(rpl)
  692         struct secreplay *rpl;
  693 {
  694         int len, l;
  695 
  696         /* sanity check */
  697         if (rpl == NULL)
  698                 panic("kdebug_secreplay: NULL pointer was passed.");
  699 
  700         printf(" secreplay{ count=%llu wsize=%u seq=%llu lastseq=%llu",
  701             (unsigned long long)rpl->count, rpl->wsize,
  702             (unsigned long long)rpl->seq, (unsigned long long)rpl->lastseq);
  703 
  704         if (rpl->bitmap == NULL) {
  705                 printf(" }\n");
  706                 return;
  707         }
  708 
  709         printf("\n   bitmap { ");
  710 
  711         for (len = 0; len < rpl->wsize; len++) {
  712                 for (l = 7; l >= 0; l--)
  713                         printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
  714         }
  715         printf(" }\n");
  716 
  717         return;
  718 }
  719 
  720 void
  721 kdebug_mbufhdr(m)
  722         struct mbuf *m;
  723 {
  724         /* sanity check */
  725         if (m == NULL)
  726                 return;
  727 
  728         printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
  729                "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
  730                 m, m->m_next, m->m_nextpkt, m->m_data,
  731                 m->m_len, m->m_type, m->m_flags);
  732 
  733         if (m->m_flags & M_PKTHDR) {
  734                 printf("  m_pkthdr{ len:%d rcvif:%p }\n",
  735                     m->m_pkthdr.len, m->m_pkthdr.rcvif);
  736         }
  737 
  738         if (m->m_flags & M_EXT) {
  739                 printf("  m_ext{ ext_buf:%p ext_free:%p "
  740                        "ext_size:%u }\n",
  741                         m->m_ext.ext_buf, m->m_ext.ext_free,
  742                         m->m_ext.ext_size);
  743         }
  744 
  745         return;
  746 }
  747 
  748 void
  749 kdebug_mbuf(m0)
  750         struct mbuf *m0;
  751 {
  752         struct mbuf *m = m0;
  753         int i, j;
  754 
  755         for (j = 0; m; m = m->m_next) {
  756                 kdebug_mbufhdr(m);
  757                 printf("  m_data:\n");
  758                 for (i = 0; i < m->m_len; i++) {
  759                         if (i && i % 32 == 0)
  760                                 printf("\n");
  761                         if (i % 4 == 0)
  762                                 printf(" ");
  763                         printf("%02x", mtod(m, u_char *)[i]);
  764                         j++;
  765                 }
  766                 printf("\n");
  767         }
  768 
  769         return;
  770 }
  771 #endif /* _KERNEL */
  772 
  773 void
  774 kdebug_sockaddr(addr)
  775         struct sockaddr *addr;
  776 {
  777         struct sockaddr_in *sin4;
  778 #ifdef INET6
  779         struct sockaddr_in6 *sin6;
  780 #endif
  781 
  782         /* sanity check */
  783         if (addr == NULL)
  784                 panic("kdebug_sockaddr: NULL pointer was passed.");
  785 
  786         /* NOTE: We deal with port number as host byte order. */
  787         printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
  788 
  789         switch (addr->sa_family) {
  790         case AF_INET:
  791                 sin4 = (struct sockaddr_in *)addr;
  792                 printf(" port=%u\n", ntohs(sin4->sin_port));
  793                 ipsec_hexdump((caddr_t)&sin4->sin_addr, sizeof(sin4->sin_addr));
  794                 break;
  795 #ifdef INET6
  796         case AF_INET6:
  797                 sin6 = (struct sockaddr_in6 *)addr;
  798                 printf(" port=%u\n", ntohs(sin6->sin6_port));
  799                 printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
  800                     sin6->sin6_flowinfo, sin6->sin6_scope_id);
  801                 ipsec_hexdump((caddr_t)&sin6->sin6_addr,
  802                     sizeof(sin6->sin6_addr));
  803                 break;
  804 #endif
  805         }
  806 
  807         printf("  }\n");
  808 
  809         return;
  810 }
  811 
  812 void
  813 ipsec_bindump(buf, len)
  814         caddr_t buf;
  815         int len;
  816 {
  817         int i;
  818 
  819         for (i = 0; i < len; i++)
  820                 printf("%c", (unsigned char)buf[i]);
  821 
  822         return;
  823 }
  824 
  825 
  826 void
  827 ipsec_hexdump(buf, len)
  828         caddr_t buf;
  829         int len;
  830 {
  831         int i;
  832 
  833         for (i = 0; i < len; i++) {
  834                 if (i != 0 && i % 32 == 0) printf("\n");
  835                 if (i % 4 == 0) printf(" ");
  836                 printf("%02x", (unsigned char)buf[i]);
  837         }
  838 #if 0
  839         if (i % 32 != 0) printf("\n");
  840 #endif
  841 
  842         return;
  843 }

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