lib/libipsec/pfkey_dump.c

   1 /*      $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $     */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 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 #include <sys/types.h>
  36 #include <sys/param.h>
  37 #include <sys/socket.h>
  38 #include <netinet6/ipsec.h>
  39 #include <net/pfkeyv2.h>
  40 #include <netkey/key_var.h>
  41 #include <netkey/key_debug.h>
  42
  43 #include <netinet/in.h>
  44 #include <netinet6/ipsec.h>
  45 #include <arpa/inet.h>
  46
  47 #include <stdlib.h>
  48 #include <unistd.h>
  49 #include <stdio.h>
  50 #include <string.h>
  51 #include <time.h>
  52 #include <netdb.h>
  53
  54 #include "ipsec_strerror.h"
  55 #include "libpfkey.h"
  56
  57 /* cope with old kame headers - ugly */
  58 #ifndef SADB_X_AALG_MD5
  59 #define SADB_X_AALG_MD5         SADB_AALG_MD5
  60 #endif
  61 #ifndef SADB_X_AALG_SHA
  62 #define SADB_X_AALG_SHA         SADB_AALG_SHA
  63 #endif
  64 #ifndef SADB_X_AALG_NULL
  65 #define SADB_X_AALG_NULL        SADB_AALG_NULL
  66 #endif
  67
  68 #ifndef SADB_X_EALG_BLOWFISHCBC
  69 #define SADB_X_EALG_BLOWFISHCBC SADB_EALG_BLOWFISHCBC
  70 #endif
  71 #ifndef SADB_X_EALG_CAST128CBC
  72 #define SADB_X_EALG_CAST128CBC  SADB_EALG_CAST128CBC
  73 #endif
  74 #ifndef SADB_X_EALG_RC5CBC
  75 #ifdef SADB_EALG_RC5CBC
  76 #define SADB_X_EALG_RC5CBC      SADB_EALG_RC5CBC
  77 #endif
  78 #endif
  79
  80 #define GETMSGSTR(str, num) \
  81 do { \
  82         if (sizeof((str)[0]) == 0 \
  83          || num >= sizeof(str)/sizeof((str)[0])) \
  84                 printf("%u ", (num)); \
  85         else if (strlen((str)[(num)]) == 0) \
  86                 printf("%u ", (num)); \
  87         else \
  88                 printf("%s ", (str)[(num)]); \
  89 } while (0)
  90
  91 #define GETMSGV2S(v2s, num) \
  92 do { \
  93         struct val2str *p;  \
  94         for (p = (v2s); p && p->str; p++) { \
  95                 if (p->val == (num)) \
  96                         break; \
  97         } \
  98         if (p && p->str) \
  99                 printf("%s ", p->str); \
 100         else \
 101                 printf("%u ", (num)); \
 102 } while (0)
 103
 104 static char *str_ipaddr(struct sockaddr *);
 105 static char *str_prefport(u_int, u_int, u_int, u_int);
 106 static void str_upperspec(u_int, u_int, u_int);
 107 static char *str_time(time_t);
 108 static void str_lifetime_byte(struct sadb_lifetime *, char *);
 109
 110 struct val2str {
 111         int val;
 112         const char *str;
 113 };
 114
 115 /*
 116  * Must to be re-written about following strings.
 117  */
 118 static char *str_satype[] = {
 119         "unspec",
 120         "unknown",
 121         "ah",
 122         "esp",
 123         "unknown",
 124         "rsvp",
 125         "ospfv2",
 126         "ripv2",
 127         "mip",
 128         "ipcomp",
 129         "policy",
 130         "tcp"
 131 };
 132
 133 static char *str_mode[] = {
 134         "any",
 135         "transport",
 136         "tunnel",
 137 };
 138
 139 static char *str_state[] = {
 140         "larval",
 141         "mature",
 142         "dying",
 143         "dead",
 144 };
 145
 146 static struct val2str str_alg_auth[] = {
 147         { SADB_AALG_NONE, "none", },
 148         { SADB_AALG_MD5HMAC, "hmac-md5", },
 149         { SADB_AALG_SHA1HMAC, "hmac-sha1", },
 150         { SADB_X_AALG_MD5, "md5", },
 151         { SADB_X_AALG_SHA, "sha", },
 152         { SADB_X_AALG_NULL, "null", },
 153         { SADB_X_AALG_TCP_MD5, "tcp-md5", },
 154 #ifdef SADB_X_AALG_SHA2_256
 155         { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
 156 #endif
 157 #ifdef SADB_X_AALG_SHA2_384
 158         { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
 159 #endif
 160 #ifdef SADB_X_AALG_SHA2_512
 161         { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
 162 #endif
 163 #ifdef SADB_X_AALG_RIPEMD160HMAC
 164         { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
 165 #endif
 166 #ifdef SADB_X_AALG_AES_XCBC_MAC
 167         { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
 168 #endif
 169         { -1, NULL, },
 170 };
 171
 172 static struct val2str str_alg_enc[] = {
 173         { SADB_EALG_NONE, "none", },
 174         { SADB_EALG_DESCBC, "des-cbc", },
 175         { SADB_EALG_3DESCBC, "3des-cbc", },
 176         { SADB_EALG_NULL, "null", },
 177 #ifdef SADB_X_EALG_RC5CBC
 178         { SADB_X_EALG_RC5CBC, "rc5-cbc", },
 179 #endif
 180         { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
 181         { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
 182 #ifdef SADB_X_EALG_RIJNDAELCBC
 183         { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
 184 #endif
 185 #ifdef SADB_X_EALG_TWOFISHCBC
 186         { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
 187 #endif
 188 #ifdef SADB_X_EALG_AESCTR
 189         { SADB_X_EALG_AESCTR, "aes-ctr", },
 190 #endif
 191         { -1, NULL, },
 192 };
 193
 194 static struct val2str str_alg_comp[] = {
 195         { SADB_X_CALG_NONE, "none", },
 196         { SADB_X_CALG_OUI, "oui", },
 197         { SADB_X_CALG_DEFLATE, "deflate", },
 198         { SADB_X_CALG_LZS, "lzs", },
 199         { -1, NULL, },
 200 };
 201
 202 /*
 203  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
 204  */
 205 void
 206 pfkey_sadump(m)
 207         struct sadb_msg *m;
 208 {
 209         caddr_t mhp[SADB_EXT_MAX + 1];
 210         struct sadb_sa *m_sa;
 211         struct sadb_x_sa2 *m_sa2;
 212         struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
 213         struct sadb_address *m_saddr, *m_daddr, *m_paddr;
 214         struct sadb_key *m_auth, *m_enc;
 215         struct sadb_ident *m_sid, *m_did;
 216         struct sadb_sens *m_sens;
 217
 218         /* check pfkey message. */
 219         if (pfkey_align(m, mhp)) {
 220                 printf("%s\n", ipsec_strerror());
 221                 return;
 222         }
 223         if (pfkey_check(mhp)) {
 224                 printf("%s\n", ipsec_strerror());
 225                 return;
 226         }
 227
 228         m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
 229         m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
 230         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 231         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 232         m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
 233         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 234         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 235         m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
 236         m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
 237         m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
 238         m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
 239         m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
 240         m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
 241
 242         /* source address */
 243         if (m_saddr == NULL) {
 244                 printf("no ADDRESS_SRC extension.\n");
 245                 return;
 246         }
 247         printf("%s ", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
 248
 249         /* destination address */
 250         if (m_daddr == NULL) {
 251                 printf("no ADDRESS_DST extension.\n");
 252                 return;
 253         }
 254         printf("%s ", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
 255
 256         /* SA type */
 257         if (m_sa == NULL) {
 258                 printf("no SA extension.\n");
 259                 return;
 260         }
 261         if (m_sa2 == NULL) {
 262                 printf("no SA2 extension.\n");
 263                 return;
 264         }
 265         printf("\n\t");
 266
 267         GETMSGSTR(str_satype, m->sadb_msg_satype);
 268
 269         printf("mode=");
 270         GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
 271
 272         printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
 273                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 274                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 275                 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
 276                 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
 277
 278         /* encryption key */
 279         if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
 280                 printf("\tC: ");
 281                 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
 282         } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
 283                 if (m_enc != NULL) {
 284                         printf("\tE: ");
 285                         GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
 286                         ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
 287                                       m_enc->sadb_key_bits / 8);
 288                         printf("\n");
 289                 }
 290         }
 291
 292         /* authentication key */
 293         if (m_auth != NULL) {
 294                 printf("\tA: ");
 295                 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
 296                 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
 297                               m_auth->sadb_key_bits / 8);
 298                 printf("\n");
 299         }
 300
 301         /* replay windoe size & flags */
 302         printf("\tseq=0x%08x replay=%u flags=0x%08x ",
 303                 m_sa2->sadb_x_sa2_sequence,
 304                 m_sa->sadb_sa_replay,
 305                 m_sa->sadb_sa_flags);
 306
 307         /* state */
 308         printf("state=");
 309         GETMSGSTR(str_state, m_sa->sadb_sa_state);
 310         printf("\n");
 311
 312         /* lifetime */
 313         if (m_lftc != NULL) {
 314                 time_t tmp_time = time(0);
 315
 316                 printf("\tcreated: %s",
 317                         str_time(m_lftc->sadb_lifetime_addtime));
 318                 printf("\tcurrent: %s\n", str_time(tmp_time));
 319                 printf("\tdiff: %lu(s)",
 320                         (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
 321                         0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
 322
 323                 printf("\thard: %lu(s)",
 324                         (u_long)(m_lfth == NULL ?
 325                         0 : m_lfth->sadb_lifetime_addtime));
 326                 printf("\tsoft: %lu(s)\n",
 327                         (u_long)(m_lfts == NULL ?
 328                         0 : m_lfts->sadb_lifetime_addtime));
 329
 330                 printf("\tlast: %s",
 331                         str_time(m_lftc->sadb_lifetime_usetime));
 332                 printf("\thard: %lu(s)",
 333                         (u_long)(m_lfth == NULL ?
 334                         0 : m_lfth->sadb_lifetime_usetime));
 335                 printf("\tsoft: %lu(s)\n",
 336                         (u_long)(m_lfts == NULL ?
 337                         0 : m_lfts->sadb_lifetime_usetime));
 338
 339                 str_lifetime_byte(m_lftc, "current");
 340                 str_lifetime_byte(m_lfth, "hard");
 341                 str_lifetime_byte(m_lfts, "soft");
 342                 printf("\n");
 343
 344                 printf("\tallocated: %lu",
 345                         (unsigned long)m_lftc->sadb_lifetime_allocations);
 346                 printf("\thard: %lu",
 347                         (u_long)(m_lfth == NULL ?
 348                         0 : m_lfth->sadb_lifetime_allocations));
 349                 printf("\tsoft: %lu\n",
 350                         (u_long)(m_lfts == NULL ?
 351                         0 : m_lfts->sadb_lifetime_allocations));
 352         }
 353
 354         printf("\tsadb_seq=%lu pid=%lu ",
 355                 (u_long)m->sadb_msg_seq,
 356                 (u_long)m->sadb_msg_pid);
 357
 358         /* XXX DEBUG */
 359         printf("refcnt=%u\n", m->sadb_msg_reserved);
 360
 361         return;
 362 }
 363
 364 void
 365 pfkey_spdump(m)
 366         struct sadb_msg *m;
 367 {
 368         char pbuf[NI_MAXSERV];
 369         caddr_t mhp[SADB_EXT_MAX + 1];
 370         struct sadb_address *m_saddr, *m_daddr;
 371         struct sadb_x_policy *m_xpl;
 372         struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
 373         struct sockaddr *sa;
 374         u_int16_t sport = 0, dport = 0;
 375
 376         /* check pfkey message. */
 377         if (pfkey_align(m, mhp)) {
 378                 printf("%s\n", ipsec_strerror());
 379                 return;
 380         }
 381         if (pfkey_check(mhp)) {
 382                 printf("%s\n", ipsec_strerror());
 383                 return;
 384         }
 385
 386         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 387         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 388         m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
 389         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 390         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 391
 392         if (m_saddr && m_daddr) {
 393                 /* source address */
 394                 sa = (struct sockaddr *)(m_saddr + 1);
 395                 switch (sa->sa_family) {
 396                 case AF_INET:
 397                 case AF_INET6:
 398                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 399                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 400                                 sport = 0;      /*XXX*/
 401                         else
 402                                 sport = atoi(pbuf);
 403                         printf("%s%s ", str_ipaddr(sa),
 404                                 str_prefport(sa->sa_family,
 405                                     m_saddr->sadb_address_prefixlen, sport,
 406                                     m_saddr->sadb_address_proto));
 407                         break;
 408                 default:
 409                         printf("unknown-af ");
 410                         break;
 411                 }
 412
 413                 /* destination address */
 414                 sa = (struct sockaddr *)(m_daddr + 1);
 415                 switch (sa->sa_family) {
 416                 case AF_INET:
 417                 case AF_INET6:
 418                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 419                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 420                                 dport = 0;      /*XXX*/
 421                         else
 422                                 dport = atoi(pbuf);
 423                         printf("%s%s ", str_ipaddr(sa),
 424                                 str_prefport(sa->sa_family,
 425                                     m_daddr->sadb_address_prefixlen, dport,
 426                                     m_saddr->sadb_address_proto));
 427                         break;
 428                 default:
 429                         printf("unknown-af ");
 430                         break;
 431                 }
 432
 433                 /* upper layer protocol */
 434                 if (m_saddr->sadb_address_proto !=
 435                     m_daddr->sadb_address_proto) {
 436                         printf("upper layer protocol mismatched.\n");
 437                         return;
 438                 }
 439                 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
 440         }
 441         else
 442                 printf("(no selector, probably per-socket policy) ");
 443
 444         /* policy */
 445     {
 446         char *d_xpl;
 447
 448         if (m_xpl == NULL) {
 449                 printf("no X_POLICY extension.\n");
 450                 return;
 451         }
 452         d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
 453
 454         /* dump SPD */
 455         printf("\n\t%s\n", d_xpl);
 456         free(d_xpl);
 457     }
 458
 459         /* lifetime */
 460         if (m_lftc) {
 461                 printf("\tcreated: %s  ",
 462                         str_time(m_lftc->sadb_lifetime_addtime));
 463                 printf("lastused: %s\n",
 464                         str_time(m_lftc->sadb_lifetime_usetime));
 465         }
 466         if (m_lfth) {
 467                 printf("\tlifetime: %lu(s) ",
 468                         (u_long)m_lfth->sadb_lifetime_addtime);
 469                 printf("validtime: %lu(s)\n",
 470                         (u_long)m_lfth->sadb_lifetime_usetime);
 471         }
 472
 473
 474         printf("\tspid=%ld seq=%ld pid=%ld\n",
 475                 (u_long)m_xpl->sadb_x_policy_id,
 476                 (u_long)m->sadb_msg_seq,
 477                 (u_long)m->sadb_msg_pid);
 478
 479         /* XXX TEST */
 480         printf("\trefcnt=%u\n", m->sadb_msg_reserved);
 481
 482         return;
 483 }
 484
 485 /*
 486  * set "ipaddress" to buffer.
 487  */
 488 static char *
 489 str_ipaddr(sa)
 490         struct sockaddr *sa;
 491 {
 492         static char buf[NI_MAXHOST];
 493         const int niflag = NI_NUMERICHOST;
 494
 495         if (sa == NULL)
 496                 return "";
 497
 498         if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
 499                 return buf;
 500         return NULL;
 501 }
 502
 503 /*
 504  * set "/prefix[port number]" to buffer.
 505  */
 506 static char *
 507 str_prefport(family, pref, port, ulp)
 508         u_int family, pref, port, ulp;
 509 {
 510         static char buf[128];
 511         char prefbuf[128];
 512         char portbuf[128];
 513         int plen;
 514
 515         switch (family) {
 516         case AF_INET:
 517                 plen = sizeof(struct in_addr) << 3;
 518                 break;
 519         case AF_INET6:
 520                 plen = sizeof(struct in6_addr) << 3;
 521                 break;
 522         default:
 523                 return "?";
 524         }
 525
 526         if (pref == plen)
 527                 prefbuf[0] = '\0';
 528         else
 529                 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
 530
 531         if (ulp == IPPROTO_ICMPV6)
 532                 memset(portbuf, 0, sizeof(portbuf));
 533         else {
 534                 if (port == IPSEC_PORT_ANY)
 535                         snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
 536                 else
 537                         snprintf(portbuf, sizeof(portbuf), "[%u]", port);
 538         }
 539
 540         snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
 541
 542         return buf;
 543 }
 544
 545 static void
 546 str_upperspec(ulp, p1, p2)
 547         u_int ulp, p1, p2;
 548 {
 549         if (ulp == IPSEC_ULPROTO_ANY)
 550                 printf("any");
 551         else if (ulp == IPPROTO_ICMPV6) {
 552                 printf("icmp6");
 553                 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
 554                         printf(" %u,%u", p1, p2);
 555         } else {
 556                 struct protoent *ent;
 557
 558                 switch (ulp) {
 559                 case IPPROTO_IPV4:
 560                         printf("ip4");
 561                         break;
 562                 default:
 563                         ent = getprotobynumber(ulp);
 564                         if (ent)
 565                                 printf("%s", ent->p_name);
 566                         else
 567                                 printf("%u", ulp);
 568
 569                         endprotoent();
 570                         break;
 571                 }
 572         }
 573 }
 574
 575 /*
 576  * set "Mon Day Time Year" to buffer
 577  */
 578 static char *
 579 str_time(t)
 580         time_t t;
 581 {
 582         static char buf[128];
 583
 584         if (t == 0) {
 585                 int i = 0;
 586                 for (;i < 20;) buf[i++] = ' ';
 587         } else {
 588                 char *t0;
 589                 t0 = ctime(&t);
 590                 memcpy(buf, t0 + 4, 20);
 591         }
 592
 593         buf[20] = '\0';
 594
 595         return(buf);
 596 }
 597
 598 static void
 599 str_lifetime_byte(x, str)
 600         struct sadb_lifetime *x;
 601         char *str;
 602 {
 603         double y;
 604         char *unit;
 605         int w;
 606
 607         if (x == NULL) {
 608                 printf("\t%s: 0(bytes)", str);
 609                 return;
 610         }
 611
 612 #if 0
 613         if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
 614                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
 615                 unit = "M";
 616                 w = 1;
 617         } else if ((x->sadb_lifetime_bytes) / 1024) {
 618                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
 619                 unit = "K";
 620                 w = 1;
 621         } else {
 622                 y = (x->sadb_lifetime_bytes) * 1.0;
 623                 unit = "";
 624                 w = 0;
 625         }
 626 #else
 627         y = (x->sadb_lifetime_bytes) * 1.0;
 628         unit = "";
 629         w = 0;
 630 #endif
 631         printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
 632 }