key_debug.c

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    1 /*      $NetBSD: key_debug.c,v 1.25 2022/10/11 09:51:47 knakahara Exp $ */
    2 /*      $FreeBSD: key_debug.c,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $   */
    3 /*      $KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $      */
    4 
    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 <sys/cdefs.h>
   36 __KERNEL_RCSID(0, "$NetBSD: key_debug.c,v 1.25 2022/10/11 09:51:47 knakahara Exp $");
   37 #endif
   38 
   39 #if defined(_KERNEL_OPT)
   40 #include "opt_inet.h"
   41 #endif
   42 
   43 #include <sys/types.h>
   44 #include <sys/param.h>
   45 #ifdef _KERNEL
   46 #include <sys/systm.h>
   47 #include <sys/mbuf.h>
   48 #include <sys/queue.h>
   49 #endif
   50 #include <sys/socket.h>
   51 
   52 #include <net/route.h>
   53 
   54 #include <netipsec/key.h>
   55 #include <netipsec/key_var.h>
   56 #include <netipsec/key_debug.h>
   57 
   58 #include <netinet/in.h>
   59 #include <netipsec/ipsec.h>
   60 
   61 #ifndef _KERNEL
   62 #include <ctype.h>
   63 #include <stdio.h>
   64 #include <stdlib.h>
   65 #include <err.h>
   66 #endif /* !_KERNEL */
   67 
   68 static void kdebug_sadb_prop(const struct sadb_ext *);
   69 static void kdebug_sadb_identity(const struct sadb_ext *);
   70 static void kdebug_sadb_supported(const struct sadb_ext *);
   71 static void kdebug_sadb_lifetime(const struct sadb_ext *);
   72 static void kdebug_sadb_sa(const struct sadb_ext *);
   73 static void kdebug_sadb_address(const struct sadb_ext *);
   74 static void kdebug_sadb_key(const struct sadb_ext *);
   75 static void kdebug_sadb_x_sa2(const struct sadb_ext *);
   76 static void kdebug_sadb_x_policy(const struct sadb_ext *);
   77 
   78 static void kdebug__secpolicyindex(const struct secpolicyindex *);
   79 
   80 static void kdebug_hexdump(const char *, const void *, size_t);
   81 static void kdebug_sockaddr(const struct sockaddr *);
   82 static void kdebug_secasindex(const struct secasindex *);
   83 static void kdebug_mbufhdr(const struct mbuf *);
   84 
   85 #ifdef _KERNEL
   86 #if 0
   87 static void kdebug_secasv(const struct secasvar *);
   88 static void kdebug_secreplay(const struct secreplay *);
   89 #endif
   90 #endif
   91 
   92 #ifndef _KERNEL
   93 #define panic(fmt, ...) err(EXIT_FAILURE, fmt, __VA_ARGS__)
   94 #endif
   95 
   96 /* NOTE: host byte order */
   97 /* %%%: about struct sadb_msg */
   98 void
   99 kdebug_sadb(const struct sadb_msg *base)
  100 {
  101         const struct sadb_ext *ext;
  102         int tlen, extlen;
  103 
  104         /* sanity check */
  105         if (base == NULL)
  106                 panic("%s: NULL pointer was passed", __func__);
  107 
  108         printf("sadb { version=%u type=%u errno=%u satype=%u",
  109             base->sadb_msg_version, base->sadb_msg_type,
  110             base->sadb_msg_errno, base->sadb_msg_satype);
  111         printf(" len=%u reserved=%u seq=%u pid=%u",
  112             base->sadb_msg_len, base->sadb_msg_reserved,
  113             base->sadb_msg_seq, base->sadb_msg_pid);
  114 
  115         tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
  116         ext = (const void *)(base + 1);
  117 
  118         while (tlen > 0) {
  119                 if (ext->sadb_ext_len == 0 || ext->sadb_ext_len > tlen) {
  120                         panic("%s: invalid ext_len=%d tlen=%d was passed",
  121                             __func__, ext->sadb_ext_len, tlen);
  122                 }
  123 
  124                 printf(" sadb_ext { len=%u type=%u }",
  125                     PFKEY_UNUNIT64(ext->sadb_ext_len), ext->sadb_ext_type);
  126 
  127 
  128                 switch (ext->sadb_ext_type) {
  129                 case SADB_EXT_SA:
  130                         kdebug_sadb_sa(ext);
  131                         break;
  132                 case SADB_EXT_LIFETIME_CURRENT:
  133                 case SADB_EXT_LIFETIME_HARD:
  134                 case SADB_EXT_LIFETIME_SOFT:
  135                         kdebug_sadb_lifetime(ext);
  136                         break;
  137                 case SADB_EXT_ADDRESS_SRC:
  138                 case SADB_EXT_ADDRESS_DST:
  139                 case SADB_EXT_ADDRESS_PROXY:
  140                         kdebug_sadb_address(ext);
  141                         break;
  142                 case SADB_EXT_KEY_AUTH:
  143                 case SADB_EXT_KEY_ENCRYPT:
  144                         kdebug_sadb_key(ext);
  145                         break;
  146                 case SADB_EXT_IDENTITY_SRC:
  147                 case SADB_EXT_IDENTITY_DST:
  148                         kdebug_sadb_identity(ext);
  149                         break;
  150                 case SADB_EXT_SENSITIVITY:
  151                         break;
  152                 case SADB_EXT_PROPOSAL:
  153                         kdebug_sadb_prop(ext);
  154                         break;
  155                 case SADB_EXT_SUPPORTED_AUTH:
  156                 case SADB_EXT_SUPPORTED_ENCRYPT:
  157                         kdebug_sadb_supported(ext);
  158                         break;
  159                 case SADB_EXT_SPIRANGE:
  160                 case SADB_X_EXT_KMPRIVATE:
  161                         break;
  162                 case SADB_X_EXT_POLICY:
  163                         kdebug_sadb_x_policy(ext);
  164                         break;
  165                 case SADB_X_EXT_SA2:
  166                         kdebug_sadb_x_sa2(ext);
  167                         break;
  168                 default:
  169                         panic("%s: invalid ext_type %u was passed",
  170                             __func__, ext->sadb_ext_type);
  171                 }
  172 
  173                 extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
  174                 tlen -= extlen;
  175                 ext = (const void *)((const char *)ext + extlen);
  176         }
  177         printf("\n");
  178 }
  179 
  180 static void
  181 kdebug_sadb_prop(const struct sadb_ext *ext)
  182 {
  183         const struct sadb_prop *prop = (const struct sadb_prop *)ext;
  184         const struct sadb_comb *comb;
  185         int len;
  186 
  187         /* sanity check */
  188         if (ext == NULL)
  189                 panic("%s: NULL pointer was passed", __func__);
  190 
  191         len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
  192                 / sizeof(*comb);
  193         comb = (const void *)(prop + 1);
  194         printf(" sadb_prop { replay=%u", prop->sadb_prop_replay);
  195 
  196         while (len--) {
  197                 printf(" sadb_comb { auth=%u encrypt=%u"
  198                     "flags=%#04x reserved=%#08x ",
  199                     comb->sadb_comb_auth, comb->sadb_comb_encrypt,
  200                     comb->sadb_comb_flags, comb->sadb_comb_reserved);
  201 
  202                 printf(" auth_minbits=%u auth_maxbits=%u"
  203                     "encrypt_minbits=%u encrypt_maxbits=%u",
  204                     comb->sadb_comb_auth_minbits,
  205                     comb->sadb_comb_auth_maxbits,
  206                     comb->sadb_comb_encrypt_minbits,
  207                     comb->sadb_comb_encrypt_maxbits);
  208 
  209                 printf(" soft_alloc=%u hard_alloc=%u"
  210                     "soft_bytes=%lu hard_bytes=%lu",
  211                     comb->sadb_comb_soft_allocations,
  212                     comb->sadb_comb_hard_allocations,
  213                     (unsigned long)comb->sadb_comb_soft_bytes,
  214                     (unsigned long)comb->sadb_comb_hard_bytes);
  215 
  216                 printf(" soft_alloc=%lu hard_alloc=%lu"
  217                     "soft_bytes=%lu hard_bytes=%lu }",
  218                     (unsigned long)comb->sadb_comb_soft_addtime,
  219                     (unsigned long)comb->sadb_comb_hard_addtime,
  220                     (unsigned long)comb->sadb_comb_soft_usetime,
  221                     (unsigned long)comb->sadb_comb_hard_usetime);
  222                 comb++;
  223         }
  224         printf(" }");
  225 
  226         return;
  227 }
  228 
  229 static void
  230 kdebug_sadb_identity(const struct sadb_ext *ext)
  231 {
  232         const struct sadb_ident *id = (const struct sadb_ident *)ext;
  233         int len;
  234 
  235         /* sanity check */
  236         if (ext == NULL)
  237                 panic("%s: NULL pointer was passed", __func__);
  238 
  239         len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
  240         printf(" sadb_ident_%s {",
  241             id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
  242         switch (id->sadb_ident_type) {
  243         default:
  244                 printf(" type=%d id=%lu",
  245                     id->sadb_ident_type, (u_long)id->sadb_ident_id);
  246                 if (len) {
  247                         kdebug_hexdump("data", id + 1, len);
  248                 }
  249                 break;
  250         }
  251 
  252         printf(" }");
  253 }
  254 
  255 static void
  256 kdebug_sadb_supported(const struct sadb_ext *ext)
  257 {
  258         const struct sadb_supported *sup = (const struct sadb_supported *)ext;
  259         const struct sadb_alg *alg;
  260         int len;
  261 
  262         /* sanity check */
  263         if (ext == NULL)
  264                 panic("%s: NULL pointer was passed", __func__);
  265 
  266         len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
  267                 / sizeof(*alg);
  268         alg = (const void *)(sup + 1);
  269         printf(" sadb_sup {");
  270         while (len--) {
  271                 printf(" { id=%d ivlen=%d min=%d max=%d }",
  272                     alg->sadb_alg_id, alg->sadb_alg_ivlen,
  273                     alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
  274                 alg++;
  275         }
  276         printf(" }");
  277 }
  278 
  279 static void
  280 kdebug_sadb_lifetime(const struct sadb_ext *ext)
  281 {
  282         const struct sadb_lifetime *lft = (const struct sadb_lifetime *)ext;
  283 
  284         /* sanity check */
  285         if (ext == NULL)
  286                 panic("%s: NULL pointer was passed", __func__);
  287 
  288         printf(" sadb_lifetime { alloc=%u, bytes=%u",
  289             lft->sadb_lifetime_allocations,
  290             (u_int32_t)lft->sadb_lifetime_bytes);
  291         printf(" addtime=%u, usetime=%u }",
  292             (u_int32_t)lft->sadb_lifetime_addtime,
  293             (u_int32_t)lft->sadb_lifetime_usetime);
  294 }
  295 
  296 static void
  297 kdebug_sadb_sa(const struct sadb_ext *ext)
  298 {
  299         const struct sadb_sa *sa = (const struct sadb_sa *)ext;
  300 
  301         /* sanity check */
  302         if (ext == NULL)
  303                 panic("%s: NULL pointer was passed", __func__);
  304 
  305         printf(" sadb_sa { spi=%u replay=%u state=%u",
  306             (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
  307             sa->sadb_sa_state);
  308         printf(" auth=%u encrypt=%u flags=%#08x }",
  309             sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
  310 }
  311 
  312 static void
  313 kdebug_sadb_address(const struct sadb_ext *ext)
  314 {
  315         const struct sadb_address *addr = (const struct sadb_address *)ext;
  316 
  317         /* sanity check */
  318         if (ext == NULL)
  319                 panic("%s: NULL pointer was passed", __func__);
  320 
  321         printf(" sadb_address { proto=%u prefixlen=%u reserved=%#02x%02x }",
  322             addr->sadb_address_proto, addr->sadb_address_prefixlen,
  323             ((const u_char *)&addr->sadb_address_reserved)[0],
  324             ((const u_char *)&addr->sadb_address_reserved)[1]);
  325 
  326         kdebug_sockaddr((const struct sockaddr *)
  327             ((const char *)ext + sizeof(*addr)));
  328 }
  329 
  330 static void
  331 kdebug_sadb_key(const struct sadb_ext *ext)
  332 {
  333         const struct sadb_key *key = (const struct sadb_key *)ext;
  334 
  335         /* sanity check */
  336         if (ext == NULL)
  337                 panic("%s: NULL pointer was passed", __func__);
  338 
  339         /* sanity check 2 */
  340         if ((key->sadb_key_bits >> 3) >
  341             (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
  342                 panic("%s: key length mismatch, bit:%d len:%ld ", __func__,
  343                     key->sadb_key_bits >> 3,
  344                     (long)PFKEY_UNUNIT64(key->sadb_key_len)
  345                     - sizeof(struct sadb_key));
  346         }
  347 
  348         printf(" sadb_key { bits=%u reserved=%u",
  349             key->sadb_key_bits, key->sadb_key_reserved);
  350         kdebug_hexdump("key", key + 1, key->sadb_key_bits >> 3);
  351         printf(" }");
  352 }
  353 
  354 static void
  355 kdebug_sadb_x_sa2(const struct sadb_ext *ext)
  356 {
  357         const struct sadb_x_sa2 *sa2 = (const struct sadb_x_sa2 *)ext;
  358 
  359         /* sanity check */
  360         if (ext == NULL)
  361                 panic("%s: NULL pointer was passed", __func__);
  362 
  363         printf(" sadb_x_sa2 { mode=%u reqid=%u",
  364             sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
  365         printf(" reserved1=%u reserved2=%u sequence=%u }",
  366             sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
  367             sa2->sadb_x_sa2_sequence);
  368 }
  369 
  370 static void
  371 kdebug_sadb_x_policy(const struct sadb_ext *ext)
  372 {
  373         const struct sadb_x_policy *xpl = (const struct sadb_x_policy *)ext;
  374         const struct sockaddr *addr;
  375 
  376         /* sanity check */
  377         if (ext == NULL)
  378                 panic("%s: NULL pointer was passed", __func__);
  379 
  380         printf(" sadb_x_policy { type=%u dir=%u flags=0x%02x id=%x }",
  381                 xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
  382                 xpl->sadb_x_policy_flags, xpl->sadb_x_policy_id);
  383 
  384         if (xpl->sadb_x_policy_type == IPSEC_POLICY_IPSEC) {
  385                 int tlen;
  386                 const struct sadb_x_ipsecrequest *xisr;
  387 
  388                 tlen = PFKEY_UNUNIT64(xpl->sadb_x_policy_len) - sizeof(*xpl);
  389                 xisr = (const struct sadb_x_ipsecrequest *)(xpl + 1);
  390 
  391                 while (tlen > 0) {
  392                         printf(" { len=%u proto=%u mode=%u level=%u reqid=%u",
  393                             xisr->sadb_x_ipsecrequest_len,
  394                             xisr->sadb_x_ipsecrequest_proto,
  395                             xisr->sadb_x_ipsecrequest_mode,
  396                             xisr->sadb_x_ipsecrequest_level,
  397                             xisr->sadb_x_ipsecrequest_reqid);
  398 
  399                         if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
  400                                 addr = (const void *)(xisr + 1);
  401                                 kdebug_sockaddr(addr);
  402                                 addr = (const void *)((const char *)addr
  403                                     + addr->sa_len);
  404                                 kdebug_sockaddr(addr);
  405                         }
  406 
  407                         printf(" }");
  408 
  409                         /* prevent infinite loop */
  410                         if (xisr->sadb_x_ipsecrequest_len <= 0) {
  411                                 panic("%s: wrong policy struct", __func__);
  412                         }
  413                         /* prevent overflow */
  414                         if (xisr->sadb_x_ipsecrequest_len > tlen) {
  415                                 panic("%s: invalid ipsec policy length",
  416                                     __func__);
  417                         }
  418 
  419                         tlen -= xisr->sadb_x_ipsecrequest_len;
  420 
  421                         xisr = (const struct sadb_x_ipsecrequest *)
  422                             ((const char *)xisr
  423                             + xisr->sadb_x_ipsecrequest_len);
  424                 }
  425 
  426                 if (tlen != 0)
  427                         panic("%s: wrong policy struct", __func__);
  428         }
  429 }
  430 
  431 #ifdef _KERNEL
  432 
  433 void
  434 kdebug_sadb_xpolicy(const char *msg, const struct sadb_ext *ext)
  435 {
  436         printf("%s:", msg);
  437         kdebug_sadb_x_policy(ext);
  438         printf("\n");
  439 }
  440 
  441 /* %%%: about SPD and SAD */
  442 void
  443 kdebug_secpolicy(const struct secpolicy *sp)
  444 {
  445         /* sanity check */
  446         if (sp == NULL)
  447                 panic("%s: NULL pointer was passed", __func__);
  448 
  449         printf(" secpolicy { refcnt=%u state=%u policy=%u",
  450             key_sp_refcnt(sp), sp->state, sp->policy);
  451 
  452         kdebug__secpolicyindex(&sp->spidx);
  453 
  454         printf(" type=");
  455         switch (sp->policy) {
  456         case IPSEC_POLICY_DISCARD:
  457                 printf("discard");
  458                 break;
  459         case IPSEC_POLICY_NONE:
  460                 printf("none");
  461                 break;
  462         case IPSEC_POLICY_IPSEC:
  463             {
  464                 printf("ipsec {");
  465                 struct ipsecrequest *isr;
  466                 for (isr = sp->req; isr != NULL; isr = isr->next) {
  467                         printf(" level=%u", isr->level);
  468                         kdebug_secasindex(&isr->saidx);
  469                 }
  470                 printf(" }");
  471             }
  472                 break;
  473         case IPSEC_POLICY_BYPASS:
  474                 printf("bypass");
  475                 break;
  476         case IPSEC_POLICY_ENTRUST:
  477                 printf("entrust");
  478                 break;
  479         default:
  480                 panic("%s: Invalid policy found. %d", __func__, sp->policy);
  481         }
  482         printf(" }\n");
  483 }
  484 
  485 void
  486 kdebug_secpolicyindex(const char *msg, const struct secpolicyindex *spidx)
  487 {
  488         printf("%s:", msg);
  489         kdebug__secpolicyindex(spidx);
  490         printf("\n");
  491 }
  492 
  493 
  494 static void
  495 kdebug__secpolicyindex(const struct secpolicyindex *spidx)
  496 {
  497         /* sanity check */
  498         if (spidx == NULL)
  499                 panic("%s: NULL pointer was passed", __func__);
  500 
  501         printf(" secpolicy { dir=%u prefs=%u prefd=%u ul_proto=%u",
  502                 spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
  503 
  504         kdebug_hexdump("src", &spidx->src, spidx->src.sa.sa_len);
  505         kdebug_hexdump("dst", &spidx->dst, spidx->dst.sa.sa_len);
  506         printf(" }");
  507 }
  508 
  509 static void
  510 kdebug_secasindex(const struct secasindex *saidx)
  511 {
  512         /* sanity check */
  513         if (saidx == NULL)
  514                 panic("%s: NULL pointer was passed", __func__);
  515 
  516         printf(" secasindex { mode=%u proto=%u",
  517             saidx->mode, saidx->proto);
  518         kdebug_hexdump("src", &saidx->src, saidx->src.sa.sa_len);
  519         kdebug_hexdump("dst", &saidx->dst, saidx->dst.sa.sa_len);
  520         printf(" }");
  521 }
  522 
  523 #if 0
  524 static void
  525 kdebug_secasv(const struct secasvar *sav)
  526 {
  527         /* sanity check */
  528         if (sav == NULL)
  529                 panic("%s: NULL pointer was passed", __func__);
  530 
  531         printf(" secasv {", );
  532         kdebug_secasindex(&sav->sah->saidx);
  533 
  534         printf(" refcnt=%u state=%u auth=%u enc=%u",
  535             key_sa_refcnt(sav), sav->state, sav->alg_auth, sav->alg_enc);
  536         printf(" spi=%u flags=%u",
  537             (u_int32_t)ntohl(sav->spi), sav->flags);
  538 
  539         if (sav->key_auth != NULL)
  540                 kdebug_sadb_key((struct sadb_ext *)sav->key_auth);
  541         if (sav->key_enc != NULL)
  542                 kdebug_sadb_key((struct sadb_ext *)sav->key_enc);
  543 
  544         if (sav->replay != NULL)
  545                 kdebug_secreplay(sav->replay);
  546         if (sav->lft_c != NULL)
  547                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_c);
  548         if (sav->lft_h != NULL)
  549                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_h);
  550         if (sav->lft_s != NULL)
  551                 kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
  552 
  553         /* XXX: misc[123] ? */
  554 }
  555 
  556 static void
  557 kdebug_secreplay(const struct secreplay *rpl)
  558 {
  559         int len, l;
  560 
  561         /* sanity check */
  562         if (rpl == NULL)
  563                 panic("%s: NULL pointer was passed", __func__);
  564 
  565         printf(" secreplay { count=%u wsize=%u seq=%u lastseq=%u",
  566             rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
  567 
  568         if (rpl->bitmap == NULL) {
  569                 printf(" }");
  570                 return;
  571         }
  572 
  573         printf(" bitmap {");
  574 
  575         for (len = 0; len < rpl->wsize; len++) {
  576                 for (l = 7; l >= 0; l--)
  577                         printf(" %u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
  578         }
  579         printf(" } }");
  580 }
  581 #endif
  582 
  583 static void
  584 kdebug_mbufhdr(const struct mbuf *m)
  585 {
  586         /* sanity check */
  587         if (m == NULL)
  588                 return;
  589 
  590         printf(" mbuf(%p) { m_next:%p m_nextpkt:%p m_data:%p "
  591                "m_len:%d m_type:%#02x m_flags:%#02x }",
  592                 m, m->m_next, m->m_nextpkt, m->m_data,
  593                 m->m_len, m->m_type, m->m_flags);
  594 
  595         if (m->m_flags & M_PKTHDR) {
  596                 printf(" m_pkthdr { len:%d rcvif:%p }",
  597                     m->m_pkthdr.len, m_get_rcvif_NOMPSAFE(m));
  598         }
  599 
  600         if (m->m_flags & M_EXT) {
  601                 printf(" m_ext { ext_buf:%p ext_free:%p "
  602                    "ext_size:%zu ext_refcnt:%u }",
  603                     m->m_ext.ext_buf, m->m_ext.ext_free,
  604                     m->m_ext.ext_size, m->m_ext.ext_refcnt);
  605         }
  606 }
  607 
  608 void
  609 kdebug_mbuf(const char *msg, const struct mbuf *m0)
  610 {
  611         const struct mbuf *m = m0;
  612         int i, j;
  613 
  614         printf("%s:", msg);
  615         for (j = 0; m; m = m->m_next) {
  616                 kdebug_mbufhdr(m);
  617                 printf(" m_data:");
  618                 for (i = 0; i < m->m_len; i++) {
  619                         if (i % 4 == 0)
  620                                 printf(" ");
  621                         printf("%02x", mtod(m, u_char *)[i]);
  622                         j++;
  623                 }
  624         }
  625         printf("\n");
  626 }
  627 #endif /* _KERNEL */
  628 
  629 static void
  630 kdebug_sockaddr(const struct sockaddr *addr)
  631 {
  632         const struct sockaddr_in *sin4;
  633 #ifdef INET6
  634         const struct sockaddr_in6 *sin6;
  635 #endif
  636 
  637         /* sanity check */
  638         if (addr == NULL)
  639                 panic("%s: NULL pointer was passed", __func__);
  640 
  641         /* NOTE: We deal with port number as host byte order. */
  642         printf(" sockaddr { len=%u family=%u",
  643             addr->sa_len, addr->sa_family);
  644 
  645         switch (addr->sa_family) {
  646         case AF_INET:
  647                 sin4 = (const struct sockaddr_in *)addr;
  648                 printf(" port=%u", ntohs(sin4->sin_port));
  649                 kdebug_hexdump("addr", &sin4->sin_addr, sizeof(sin4->sin_addr));
  650                 break;
  651 #ifdef INET6
  652         case AF_INET6:
  653                 sin6 = (const struct sockaddr_in6 *)addr;
  654                 printf(" port=%u", ntohs(sin6->sin6_port));
  655                 printf(" flowinfo=%#08x, scope_id=%#08x",
  656                     sin6->sin6_flowinfo, sin6->sin6_scope_id);
  657                 kdebug_hexdump("addr", &sin6->sin6_addr, sizeof(sin6->sin6_addr));
  658                 break;
  659 #endif
  660         }
  661 
  662         printf(" }");
  663 }
  664 
  665 static void
  666 kdebug_hexdump(const char *tag, const void *v, size_t len)
  667 {
  668         size_t i;
  669         const unsigned char *buf = v;
  670 
  671         if (len)
  672                 printf(" %s=", tag);
  673 
  674         for (i = 0; i < len; i++) {
  675                 if (i && i % 4 == 0) printf(" ");
  676                 printf("%02x", buf[i]);
  677         }
  678 }
Cache object: e87ce1682f46926973be88a9f22e0aba
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FreeBSD/Linux Kernel Cross Reference sys/netipsec/key_debug.c

FreeBSD/Linux Kernel Cross Reference
sys/netipsec/key_debug.c
