1 /* $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 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 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/socket.h> 40 #include <net/if.h> 41 #include <net/pfkeyv2.h> 42 #include <netipsec/ipsec.h> 43 #include <netipsec/key_var.h> 44 #include <netipsec/key_debug.h> 45 46 #include <netinet/in.h> 47 #include <arpa/inet.h> 48 49 #include <stdlib.h> 50 #include <unistd.h> 51 #include <stdio.h> 52 #include <string.h> 53 #include <time.h> 54 #include <netdb.h> 55 56 #include "ipsec_strerror.h" 57 #include "libpfkey.h" 58 59 /* cope with old kame headers - ugly */ 60 #ifndef SADB_X_AALG_NULL 61 #define SADB_X_AALG_NULL SADB_AALG_NULL 62 #endif 63 64 #ifndef SADB_X_EALG_RC5CBC 65 #ifdef SADB_EALG_RC5CBC 66 #define SADB_X_EALG_RC5CBC SADB_EALG_RC5CBC 67 #endif 68 #endif 69 70 #define GETMSGSTR(str, num) \ 71 do { \ 72 if (sizeof((str)[0]) == 0 \ 73 || num >= sizeof(str)/sizeof((str)[0])) \ 74 printf("%u ", (num)); \ 75 else if (strlen((str)[(num)]) == 0) \ 76 printf("%u ", (num)); \ 77 else \ 78 printf("%s ", (str)[(num)]); \ 79 } while (0) 80 81 #define GETMSGV2S(v2s, num) \ 82 do { \ 83 struct val2str *p; \ 84 for (p = (v2s); p && p->str; p++) { \ 85 if (p->val == (num)) \ 86 break; \ 87 } \ 88 if (p && p->str) \ 89 printf("%s ", p->str); \ 90 else \ 91 printf("%u ", (num)); \ 92 } while (0) 93 94 static char *str_ipaddr(struct sockaddr *); 95 static char *str_prefport(u_int, u_int, u_int, u_int); 96 static void str_upperspec(u_int, u_int, u_int); 97 static char *str_time(time_t); 98 static void str_lifetime_byte(struct sadb_lifetime *, char *); 99 100 struct val2str { 101 int val; 102 const char *str; 103 }; 104 105 /* 106 * Must to be re-written about following strings. 107 */ 108 static char *str_satype[] = { 109 "unspec", 110 "unknown", 111 "ah", 112 "esp", 113 "unknown", 114 "rsvp", 115 "ospfv2", 116 "ripv2", 117 "mip", 118 "ipcomp", 119 "policy", 120 "tcp" 121 }; 122 123 static char *str_mode[] = { 124 "any", 125 "transport", 126 "tunnel", 127 }; 128 129 static char *str_state[] = { 130 "larval", 131 "mature", 132 "dying", 133 "dead", 134 }; 135 136 static struct val2str str_alg_auth[] = { 137 { SADB_AALG_NONE, "none", }, 138 { SADB_AALG_SHA1HMAC, "hmac-sha1", }, 139 { SADB_X_AALG_NULL, "null", }, 140 { SADB_X_AALG_TCP_MD5, "tcp-md5", }, 141 #ifdef SADB_X_AALG_SHA2_256 142 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", }, 143 #endif 144 #ifdef SADB_X_AALG_SHA2_384 145 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", }, 146 #endif 147 #ifdef SADB_X_AALG_SHA2_512 148 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", }, 149 #endif 150 #ifdef SADB_X_AALG_AES_XCBC_MAC 151 { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", }, 152 #endif 153 { -1, NULL, }, 154 }; 155 156 static struct val2str str_alg_enc[] = { 157 { SADB_EALG_NONE, "none", }, 158 { SADB_EALG_NULL, "null", }, 159 #ifdef SADB_X_EALG_RC5CBC 160 { SADB_X_EALG_RC5CBC, "rc5-cbc", }, 161 #endif 162 #ifdef SADB_X_EALG_RIJNDAELCBC 163 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", }, 164 #endif 165 #ifdef SADB_X_EALG_TWOFISHCBC 166 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", }, 167 #endif 168 #ifdef SADB_X_EALG_AESCTR 169 { SADB_X_EALG_AESCTR, "aes-ctr", }, 170 #endif 171 #ifdef SADB_X_EALG_AESGCM16 172 { SADB_X_EALG_AESGCM16, "aes-gcm-16", }, 173 #endif 174 { -1, NULL, }, 175 }; 176 177 static struct val2str str_alg_comp[] = { 178 { SADB_X_CALG_NONE, "none", }, 179 { SADB_X_CALG_OUI, "oui", }, 180 { SADB_X_CALG_DEFLATE, "deflate", }, 181 { SADB_X_CALG_LZS, "lzs", }, 182 { -1, NULL, }, 183 }; 184 185 static struct val2str str_sp_scope[] = { 186 { IPSEC_POLICYSCOPE_GLOBAL, "global" }, 187 { IPSEC_POLICYSCOPE_IFNET, "ifnet" }, 188 { IPSEC_POLICYSCOPE_PCB, "pcb"}, 189 { -1, NULL }, 190 }; 191 192 /* 193 * dump SADB_MSG formated. For debugging, you should use kdebug_sadb(). 194 */ 195 void 196 pfkey_sadump(m) 197 struct sadb_msg *m; 198 { 199 caddr_t mhp[SADB_EXT_MAX + 1]; 200 struct sadb_sa *m_sa; 201 struct sadb_x_sa2 *m_sa2; 202 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts; 203 struct sadb_address *m_saddr, *m_daddr, *m_paddr; 204 struct sadb_key *m_auth, *m_enc; 205 struct sadb_ident *m_sid, *m_did; 206 struct sadb_sens *m_sens; 207 struct sadb_x_sa_replay *m_sa_replay; 208 struct sadb_x_nat_t_type *natt_type; 209 struct sadb_x_nat_t_port *natt_sport, *natt_dport; 210 struct sadb_address *natt_oai, *natt_oar; 211 212 /* check pfkey message. */ 213 if (pfkey_align(m, mhp)) { 214 printf("%s\n", ipsec_strerror()); 215 return; 216 } 217 if (pfkey_check(mhp)) { 218 printf("%s\n", ipsec_strerror()); 219 return; 220 } 221 222 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA]; 223 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2]; 224 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 225 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 226 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT]; 227 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 228 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 229 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY]; 230 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH]; 231 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT]; 232 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC]; 233 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST]; 234 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY]; 235 m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY]; 236 natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE]; 237 natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT]; 238 natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT]; 239 natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI]; 240 natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR]; 241 242 243 /* source address */ 244 if (m_saddr == NULL) { 245 printf("no ADDRESS_SRC extension.\n"); 246 return; 247 } 248 printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1))); 249 if (natt_type != NULL && natt_sport != NULL) 250 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port)); 251 252 /* destination address */ 253 if (m_daddr == NULL) { 254 printf("\nno ADDRESS_DST extension.\n"); 255 return; 256 } 257 printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1))); 258 if (natt_type != NULL && natt_dport != NULL) 259 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port)); 260 261 /* SA type */ 262 if (m_sa == NULL) { 263 printf("\nno SA extension.\n"); 264 return; 265 } 266 if (m_sa2 == NULL) { 267 printf("\nno SA2 extension.\n"); 268 return; 269 } 270 printf("\n\t"); 271 272 if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL) 273 printf("esp-udp "); 274 else 275 GETMSGSTR(str_satype, m->sadb_msg_satype); 276 277 printf("mode="); 278 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode); 279 280 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n", 281 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 282 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 283 (u_int32_t)m_sa2->sadb_x_sa2_reqid, 284 (u_int32_t)m_sa2->sadb_x_sa2_reqid); 285 286 /* other NAT-T information */ 287 if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) { 288 printf("\tNAT:"); 289 if (natt_oai != NULL) 290 printf(" OAI=%s", 291 str_ipaddr((struct sockaddr *)(natt_oai + 1))); 292 if (natt_oar != NULL) 293 printf(" OAR=%s", 294 str_ipaddr((struct sockaddr *)(natt_oar + 1))); 295 printf("\n"); 296 } 297 298 /* encryption key */ 299 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) { 300 printf("\tC: "); 301 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt); 302 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) { 303 if (m_enc != NULL) { 304 printf("\tE: "); 305 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt); 306 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc), 307 m_enc->sadb_key_bits / 8); 308 printf("\n"); 309 } 310 } 311 312 /* authentication key */ 313 if (m_auth != NULL) { 314 printf("\tA: "); 315 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth); 316 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth), 317 m_auth->sadb_key_bits / 8); 318 printf("\n"); 319 } 320 321 /* replay windoe size & flags */ 322 printf("\tseq=0x%08x replay=%u flags=0x%08x ", 323 m_sa2->sadb_x_sa2_sequence, 324 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) : 325 m_sa->sadb_sa_replay, 326 m_sa->sadb_sa_flags); 327 328 /* state */ 329 printf("state="); 330 GETMSGSTR(str_state, m_sa->sadb_sa_state); 331 printf("\n"); 332 333 /* lifetime */ 334 if (m_lftc != NULL) { 335 time_t tmp_time = time(0); 336 337 printf("\tcreated: %s", 338 str_time(m_lftc->sadb_lifetime_addtime)); 339 printf("\tcurrent: %s\n", str_time(tmp_time)); 340 printf("\tdiff: %lu(s)", 341 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ? 342 0 : (tmp_time - m_lftc->sadb_lifetime_addtime))); 343 344 printf("\thard: %lu(s)", 345 (u_long)(m_lfth == NULL ? 346 0 : m_lfth->sadb_lifetime_addtime)); 347 printf("\tsoft: %lu(s)\n", 348 (u_long)(m_lfts == NULL ? 349 0 : m_lfts->sadb_lifetime_addtime)); 350 351 printf("\tlast: %s", 352 str_time(m_lftc->sadb_lifetime_usetime)); 353 printf("\thard: %lu(s)", 354 (u_long)(m_lfth == NULL ? 355 0 : m_lfth->sadb_lifetime_usetime)); 356 printf("\tsoft: %lu(s)\n", 357 (u_long)(m_lfts == NULL ? 358 0 : m_lfts->sadb_lifetime_usetime)); 359 360 str_lifetime_byte(m_lftc, "current"); 361 str_lifetime_byte(m_lfth, "hard"); 362 str_lifetime_byte(m_lfts, "soft"); 363 printf("\n"); 364 365 printf("\tallocated: %lu", 366 (unsigned long)m_lftc->sadb_lifetime_allocations); 367 printf("\thard: %lu", 368 (u_long)(m_lfth == NULL ? 369 0 : m_lfth->sadb_lifetime_allocations)); 370 printf("\tsoft: %lu\n", 371 (u_long)(m_lfts == NULL ? 372 0 : m_lfts->sadb_lifetime_allocations)); 373 } 374 375 printf("\tsadb_seq=%lu pid=%lu ", 376 (u_long)m->sadb_msg_seq, 377 (u_long)m->sadb_msg_pid); 378 379 /* XXX DEBUG */ 380 printf("refcnt=%u\n", m->sadb_msg_reserved); 381 382 return; 383 } 384 385 void 386 pfkey_spdump(struct sadb_msg *m) 387 { 388 char pbuf[NI_MAXSERV]; 389 caddr_t mhp[SADB_EXT_MAX + 1]; 390 struct sadb_address *m_saddr, *m_daddr; 391 struct sadb_x_policy *m_xpl; 392 struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL; 393 struct sockaddr *sa; 394 u_int16_t sport = 0, dport = 0; 395 396 /* check pfkey message. */ 397 if (pfkey_align(m, mhp)) { 398 printf("%s\n", ipsec_strerror()); 399 return; 400 } 401 if (pfkey_check(mhp)) { 402 printf("%s\n", ipsec_strerror()); 403 return; 404 } 405 406 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 407 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 408 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY]; 409 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 410 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 411 412 if (m_saddr && m_daddr) { 413 /* source address */ 414 sa = (struct sockaddr *)(m_saddr + 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 sport = 0; /*XXX*/ 421 else 422 sport = atoi(pbuf); 423 printf("%s%s ", str_ipaddr(sa), 424 str_prefport(sa->sa_family, 425 m_saddr->sadb_address_prefixlen, sport, 426 m_saddr->sadb_address_proto)); 427 break; 428 default: 429 printf("unknown-af "); 430 break; 431 } 432 433 /* destination address */ 434 sa = (struct sockaddr *)(m_daddr + 1); 435 switch (sa->sa_family) { 436 case AF_INET: 437 case AF_INET6: 438 if (getnameinfo(sa, sa->sa_len, NULL, 0, 439 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 440 dport = 0; /*XXX*/ 441 else 442 dport = atoi(pbuf); 443 printf("%s%s ", str_ipaddr(sa), 444 str_prefport(sa->sa_family, 445 m_daddr->sadb_address_prefixlen, dport, 446 m_saddr->sadb_address_proto)); 447 break; 448 default: 449 printf("unknown-af "); 450 break; 451 } 452 453 /* upper layer protocol */ 454 if (m_saddr->sadb_address_proto != 455 m_daddr->sadb_address_proto) { 456 printf("upper layer protocol mismatched.\n"); 457 return; 458 } 459 str_upperspec(m_saddr->sadb_address_proto, sport, dport); 460 } 461 else 462 printf("(no selector, probably per-socket policy) "); 463 464 /* policy */ 465 { 466 char *d_xpl; 467 468 if (m_xpl == NULL) { 469 printf("no X_POLICY extension.\n"); 470 return; 471 } 472 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t"); 473 474 /* dump SPD */ 475 printf("\n\t%s\n", d_xpl); 476 free(d_xpl); 477 } 478 479 /* lifetime */ 480 if (m_lftc) { 481 printf("\tcreated: %s ", 482 str_time(m_lftc->sadb_lifetime_addtime)); 483 printf("lastused: %s\n", 484 str_time(m_lftc->sadb_lifetime_usetime)); 485 } 486 if (m_lfth) { 487 printf("\tlifetime: %lu(s) ", 488 (u_long)m_lfth->sadb_lifetime_addtime); 489 printf("validtime: %lu(s)\n", 490 (u_long)m_lfth->sadb_lifetime_usetime); 491 } 492 493 494 printf("\tspid=%ld seq=%ld pid=%ld scope=", 495 (u_long)m_xpl->sadb_x_policy_id, 496 (u_long)m->sadb_msg_seq, 497 (u_long)m->sadb_msg_pid); 498 GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope); 499 if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET && 500 if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL) 501 printf("ifname=%s", pbuf); 502 printf("\n"); 503 504 /* XXX TEST */ 505 printf("\trefcnt=%u\n", m->sadb_msg_reserved); 506 507 return; 508 } 509 510 /* 511 * set "ipaddress" to buffer. 512 */ 513 static char * 514 str_ipaddr(sa) 515 struct sockaddr *sa; 516 { 517 static char buf[NI_MAXHOST]; 518 const int niflag = NI_NUMERICHOST; 519 520 if (sa == NULL) 521 return ""; 522 523 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0) 524 return buf; 525 return NULL; 526 } 527 528 /* 529 * set "/prefix[port number]" to buffer. 530 */ 531 static char * 532 str_prefport(family, pref, port, ulp) 533 u_int family, pref, port, ulp; 534 { 535 static char buf[128]; 536 char prefbuf[128]; 537 char portbuf[128]; 538 int plen; 539 540 switch (family) { 541 case AF_INET: 542 plen = sizeof(struct in_addr) << 3; 543 break; 544 case AF_INET6: 545 plen = sizeof(struct in6_addr) << 3; 546 break; 547 default: 548 return "?"; 549 } 550 551 if (pref == plen) 552 prefbuf[0] = '\0'; 553 else 554 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref); 555 556 if (ulp == IPPROTO_ICMPV6) 557 memset(portbuf, 0, sizeof(portbuf)); 558 else { 559 if (port == IPSEC_PORT_ANY) 560 snprintf(portbuf, sizeof(portbuf), "[%s]", "any"); 561 else 562 snprintf(portbuf, sizeof(portbuf), "[%u]", port); 563 } 564 565 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf); 566 567 return buf; 568 } 569 570 static void 571 str_upperspec(ulp, p1, p2) 572 u_int ulp, p1, p2; 573 { 574 if (ulp == IPSEC_ULPROTO_ANY) 575 printf("any"); 576 else if (ulp == IPPROTO_ICMPV6) { 577 printf("icmp6"); 578 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY)) 579 printf(" %u,%u", p1, p2); 580 } else { 581 struct protoent *ent; 582 583 switch (ulp) { 584 case IPPROTO_IPV4: 585 printf("ip4"); 586 break; 587 default: 588 ent = getprotobynumber(ulp); 589 if (ent) 590 printf("%s", ent->p_name); 591 else 592 printf("%u", ulp); 593 594 endprotoent(); 595 break; 596 } 597 } 598 } 599 600 /* 601 * set "Mon Day Time Year" to buffer 602 */ 603 static char * 604 str_time(t) 605 time_t t; 606 { 607 static char buf[128]; 608 609 if (t == 0) { 610 int i = 0; 611 for (;i < 20;) buf[i++] = ' '; 612 } else { 613 char *t0; 614 t0 = ctime(&t); 615 memcpy(buf, t0 + 4, 20); 616 } 617 618 buf[20] = '\0'; 619 620 return(buf); 621 } 622 623 static void 624 str_lifetime_byte(x, str) 625 struct sadb_lifetime *x; 626 char *str; 627 { 628 double y; 629 char *unit; 630 int w; 631 632 if (x == NULL) { 633 printf("\t%s: 0(bytes)", str); 634 return; 635 } 636 637 #if 0 638 if ((x->sadb_lifetime_bytes) / 1024 / 1024) { 639 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024; 640 unit = "M"; 641 w = 1; 642 } else if ((x->sadb_lifetime_bytes) / 1024) { 643 y = (x->sadb_lifetime_bytes) * 1.0 / 1024; 644 unit = "K"; 645 w = 1; 646 } else { 647 y = (x->sadb_lifetime_bytes) * 1.0; 648 unit = ""; 649 w = 0; 650 } 651 #else 652 y = (x->sadb_lifetime_bytes) * 1.0; 653 unit = ""; 654 w = 0; 655 #endif 656 printf("\t%s: %.*f(%sbytes)", str, w, y, unit); 657 } 658