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 #ifdef SADB_X_AALG_CHACHA20POLY1305 154 { SADB_X_AALG_CHACHA20POLY1305, "chacha20-poly1305", }, 155 #endif 156 { -1, NULL, }, 157 }; 158 159 static struct val2str str_alg_enc[] = { 160 { SADB_EALG_NONE, "none", }, 161 { SADB_EALG_NULL, "null", }, 162 #ifdef SADB_X_EALG_RC5CBC 163 { SADB_X_EALG_RC5CBC, "rc5-cbc", }, 164 #endif 165 #ifdef SADB_X_EALG_AESCBC 166 { SADB_X_EALG_AESCBC, "aes-cbc", }, 167 #endif 168 #ifdef SADB_X_EALG_TWOFISHCBC 169 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", }, 170 #endif 171 #ifdef SADB_X_EALG_AESCTR 172 { SADB_X_EALG_AESCTR, "aes-ctr", }, 173 #endif 174 #ifdef SADB_X_EALG_AESGCM16 175 { SADB_X_EALG_AESGCM16, "aes-gcm-16", }, 176 #endif 177 #ifdef SADB_X_EALG_CHACHA20POLY1305 178 { SADB_X_EALG_CHACHA20POLY1305, "chacha20-poly1305", }, 179 #endif 180 { -1, NULL, }, 181 }; 182 183 static struct val2str str_alg_comp[] = { 184 { SADB_X_CALG_NONE, "none", }, 185 { SADB_X_CALG_OUI, "oui", }, 186 { SADB_X_CALG_DEFLATE, "deflate", }, 187 { SADB_X_CALG_LZS, "lzs", }, 188 { -1, NULL, }, 189 }; 190 191 static struct val2str str_sp_scope[] = { 192 { IPSEC_POLICYSCOPE_GLOBAL, "global" }, 193 { IPSEC_POLICYSCOPE_IFNET, "ifnet" }, 194 { IPSEC_POLICYSCOPE_PCB, "pcb"}, 195 { -1, NULL }, 196 }; 197 198 /* 199 * dump SADB_MSG formatted. For debugging, you should use kdebug_sadb(). 200 */ 201 void 202 pfkey_sadump(struct sadb_msg *m) 203 { 204 caddr_t mhp[SADB_EXT_MAX + 1]; 205 struct sadb_sa *m_sa; 206 struct sadb_x_sa2 *m_sa2; 207 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts; 208 struct sadb_address *m_saddr, *m_daddr, *m_paddr; 209 struct sadb_key *m_auth, *m_enc; 210 struct sadb_ident *m_sid, *m_did; 211 struct sadb_sens *m_sens; 212 struct sadb_x_sa_replay *m_sa_replay; 213 struct sadb_x_nat_t_type *natt_type; 214 struct sadb_x_nat_t_port *natt_sport, *natt_dport; 215 struct sadb_address *natt_oai, *natt_oar; 216 217 /* check pfkey message. */ 218 if (pfkey_align(m, mhp)) { 219 printf("%s\n", ipsec_strerror()); 220 return; 221 } 222 if (pfkey_check(mhp)) { 223 printf("%s\n", ipsec_strerror()); 224 return; 225 } 226 227 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA]; 228 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2]; 229 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 230 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 231 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT]; 232 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 233 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 234 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY]; 235 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH]; 236 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT]; 237 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC]; 238 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST]; 239 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY]; 240 m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY]; 241 natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE]; 242 natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT]; 243 natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT]; 244 natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI]; 245 natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR]; 246 247 248 /* source address */ 249 if (m_saddr == NULL) { 250 printf("no ADDRESS_SRC extension.\n"); 251 return; 252 } 253 printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1))); 254 if (natt_type != NULL && natt_sport != NULL) 255 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port)); 256 257 /* destination address */ 258 if (m_daddr == NULL) { 259 printf("\nno ADDRESS_DST extension.\n"); 260 return; 261 } 262 printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1))); 263 if (natt_type != NULL && natt_dport != NULL) 264 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port)); 265 266 /* SA type */ 267 if (m_sa == NULL) { 268 printf("\nno SA extension.\n"); 269 return; 270 } 271 if (m_sa2 == NULL) { 272 printf("\nno SA2 extension.\n"); 273 return; 274 } 275 printf("\n\t"); 276 277 if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL) 278 printf("esp-udp "); 279 else 280 GETMSGSTR(str_satype, m->sadb_msg_satype); 281 282 printf("mode="); 283 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode); 284 285 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n", 286 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 287 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 288 (u_int32_t)m_sa2->sadb_x_sa2_reqid, 289 (u_int32_t)m_sa2->sadb_x_sa2_reqid); 290 291 /* other NAT-T information */ 292 if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) { 293 printf("\tNAT:"); 294 if (natt_oai != NULL) 295 printf(" OAI=%s", 296 str_ipaddr((struct sockaddr *)(natt_oai + 1))); 297 if (natt_oar != NULL) 298 printf(" OAR=%s", 299 str_ipaddr((struct sockaddr *)(natt_oar + 1))); 300 printf("\n"); 301 } 302 303 /* encryption key */ 304 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) { 305 printf("\tC: "); 306 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt); 307 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) { 308 if (m_enc != NULL) { 309 printf("\tE: "); 310 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt); 311 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc), 312 m_enc->sadb_key_bits / 8); 313 printf("\n"); 314 } 315 } 316 317 /* authentication key */ 318 if (m_auth != NULL) { 319 printf("\tA: "); 320 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth); 321 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth), 322 m_auth->sadb_key_bits / 8); 323 printf("\n"); 324 } 325 326 /* replay windoe size & flags */ 327 printf("\tseq=0x%08x replay=%u flags=0x%08x ", 328 m_sa2->sadb_x_sa2_sequence, 329 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) : 330 m_sa->sadb_sa_replay, 331 m_sa->sadb_sa_flags); 332 333 /* state */ 334 printf("state="); 335 GETMSGSTR(str_state, m_sa->sadb_sa_state); 336 printf("\n"); 337 338 /* lifetime */ 339 if (m_lftc != NULL) { 340 time_t tmp_time = time(0); 341 342 printf("\tcreated: %s", 343 str_time(m_lftc->sadb_lifetime_addtime)); 344 printf("\tcurrent: %s\n", str_time(tmp_time)); 345 printf("\tdiff: %lu(s)", 346 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ? 347 0 : (tmp_time - m_lftc->sadb_lifetime_addtime))); 348 349 printf("\thard: %lu(s)", 350 (u_long)(m_lfth == NULL ? 351 0 : m_lfth->sadb_lifetime_addtime)); 352 printf("\tsoft: %lu(s)\n", 353 (u_long)(m_lfts == NULL ? 354 0 : m_lfts->sadb_lifetime_addtime)); 355 356 printf("\tlast: %s", 357 str_time(m_lftc->sadb_lifetime_usetime)); 358 printf("\thard: %lu(s)", 359 (u_long)(m_lfth == NULL ? 360 0 : m_lfth->sadb_lifetime_usetime)); 361 printf("\tsoft: %lu(s)\n", 362 (u_long)(m_lfts == NULL ? 363 0 : m_lfts->sadb_lifetime_usetime)); 364 365 str_lifetime_byte(m_lftc, "current"); 366 str_lifetime_byte(m_lfth, "hard"); 367 str_lifetime_byte(m_lfts, "soft"); 368 printf("\n"); 369 370 printf("\tallocated: %lu", 371 (unsigned long)m_lftc->sadb_lifetime_allocations); 372 printf("\thard: %lu", 373 (u_long)(m_lfth == NULL ? 374 0 : m_lfth->sadb_lifetime_allocations)); 375 printf("\tsoft: %lu\n", 376 (u_long)(m_lfts == NULL ? 377 0 : m_lfts->sadb_lifetime_allocations)); 378 } 379 380 printf("\tsadb_seq=%lu pid=%lu ", 381 (u_long)m->sadb_msg_seq, 382 (u_long)m->sadb_msg_pid); 383 384 /* XXX DEBUG */ 385 printf("refcnt=%u\n", m->sadb_msg_reserved); 386 387 return; 388 } 389 390 void 391 pfkey_spdump(struct sadb_msg *m) 392 { 393 char pbuf[NI_MAXSERV]; 394 caddr_t mhp[SADB_EXT_MAX + 1]; 395 struct sadb_address *m_saddr, *m_daddr; 396 struct sadb_x_policy *m_xpl; 397 struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL; 398 struct sockaddr *sa; 399 u_int16_t sport = 0, dport = 0; 400 401 /* check pfkey message. */ 402 if (pfkey_align(m, mhp)) { 403 printf("%s\n", ipsec_strerror()); 404 return; 405 } 406 if (pfkey_check(mhp)) { 407 printf("%s\n", ipsec_strerror()); 408 return; 409 } 410 411 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 412 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 413 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY]; 414 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 415 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 416 417 if (m_saddr && m_daddr) { 418 /* source address */ 419 sa = (struct sockaddr *)(m_saddr + 1); 420 switch (sa->sa_family) { 421 case AF_INET: 422 case AF_INET6: 423 if (getnameinfo(sa, sa->sa_len, NULL, 0, 424 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 425 sport = 0; /*XXX*/ 426 else 427 sport = atoi(pbuf); 428 printf("%s%s ", str_ipaddr(sa), 429 str_prefport(sa->sa_family, 430 m_saddr->sadb_address_prefixlen, sport, 431 m_saddr->sadb_address_proto)); 432 break; 433 default: 434 printf("unknown-af "); 435 break; 436 } 437 438 /* destination address */ 439 sa = (struct sockaddr *)(m_daddr + 1); 440 switch (sa->sa_family) { 441 case AF_INET: 442 case AF_INET6: 443 if (getnameinfo(sa, sa->sa_len, NULL, 0, 444 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 445 dport = 0; /*XXX*/ 446 else 447 dport = atoi(pbuf); 448 printf("%s%s ", str_ipaddr(sa), 449 str_prefport(sa->sa_family, 450 m_daddr->sadb_address_prefixlen, dport, 451 m_saddr->sadb_address_proto)); 452 break; 453 default: 454 printf("unknown-af "); 455 break; 456 } 457 458 /* upper layer protocol */ 459 if (m_saddr->sadb_address_proto != 460 m_daddr->sadb_address_proto) { 461 printf("upper layer protocol mismatched.\n"); 462 return; 463 } 464 str_upperspec(m_saddr->sadb_address_proto, sport, dport); 465 } 466 else 467 printf("(no selector, probably per-socket policy) "); 468 469 /* policy */ 470 { 471 char *d_xpl; 472 473 if (m_xpl == NULL) { 474 printf("no X_POLICY extension.\n"); 475 return; 476 } 477 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t"); 478 479 /* dump SPD */ 480 printf("\n\t%s\n", d_xpl); 481 free(d_xpl); 482 } 483 484 /* lifetime */ 485 if (m_lftc) { 486 printf("\tcreated: %s ", 487 str_time(m_lftc->sadb_lifetime_addtime)); 488 printf("lastused: %s\n", 489 str_time(m_lftc->sadb_lifetime_usetime)); 490 } 491 if (m_lfth) { 492 printf("\tlifetime: %lu(s) ", 493 (u_long)m_lfth->sadb_lifetime_addtime); 494 printf("validtime: %lu(s)\n", 495 (u_long)m_lfth->sadb_lifetime_usetime); 496 } 497 498 499 printf("\tspid=%ld seq=%ld pid=%ld scope=", 500 (u_long)m_xpl->sadb_x_policy_id, 501 (u_long)m->sadb_msg_seq, 502 (u_long)m->sadb_msg_pid); 503 GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope); 504 if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET && 505 if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL) 506 printf("ifname=%s", pbuf); 507 printf("\n"); 508 509 /* XXX TEST */ 510 printf("\trefcnt=%u\n", m->sadb_msg_reserved); 511 512 return; 513 } 514 515 /* 516 * set "ipaddress" to buffer. 517 */ 518 static char * 519 str_ipaddr(struct sockaddr *sa) 520 { 521 static char buf[NI_MAXHOST]; 522 const int niflag = NI_NUMERICHOST; 523 524 if (sa == NULL) 525 return ""; 526 527 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0) 528 return buf; 529 return NULL; 530 } 531 532 /* 533 * set "/prefix[port number]" to buffer. 534 */ 535 static char * 536 str_prefport(u_int family, u_int pref, u_int port, u_int ulp) 537 { 538 static char buf[128]; 539 char prefbuf[128]; 540 char portbuf[128]; 541 int plen; 542 543 switch (family) { 544 case AF_INET: 545 plen = sizeof(struct in_addr) << 3; 546 break; 547 case AF_INET6: 548 plen = sizeof(struct in6_addr) << 3; 549 break; 550 default: 551 return "?"; 552 } 553 554 if (pref == plen) 555 prefbuf[0] = '\0'; 556 else 557 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref); 558 559 if (ulp == IPPROTO_ICMPV6) 560 memset(portbuf, 0, sizeof(portbuf)); 561 else { 562 if (port == IPSEC_PORT_ANY) 563 snprintf(portbuf, sizeof(portbuf), "[%s]", "any"); 564 else 565 snprintf(portbuf, sizeof(portbuf), "[%u]", port); 566 } 567 568 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf); 569 570 return buf; 571 } 572 573 static void 574 str_upperspec(u_int ulp, u_int p1, u_int p2) 575 { 576 if (ulp == IPSEC_ULPROTO_ANY) 577 printf("any"); 578 else if (ulp == IPPROTO_ICMPV6) { 579 printf("icmp6"); 580 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY)) 581 printf(" %u,%u", p1, p2); 582 } else { 583 struct protoent *ent; 584 585 switch (ulp) { 586 case IPPROTO_IPV4: 587 printf("ip4"); 588 break; 589 default: 590 ent = getprotobynumber(ulp); 591 if (ent) 592 printf("%s", ent->p_name); 593 else 594 printf("%u", ulp); 595 596 endprotoent(); 597 break; 598 } 599 } 600 } 601 602 /* 603 * set "Mon Day Time Year" to buffer 604 */ 605 static char * 606 str_time(time_t t) 607 { 608 static char buf[128]; 609 610 if (t == 0) { 611 int i = 0; 612 for (;i < 20;) buf[i++] = ' '; 613 } else { 614 char *t0; 615 t0 = ctime(&t); 616 memcpy(buf, t0 + 4, 20); 617 } 618 619 buf[20] = '\0'; 620 621 return(buf); 622 } 623 624 static void 625 str_lifetime_byte(struct sadb_lifetime *x, char *str) 626 { 627 double y; 628 char *unit; 629 int w; 630 631 if (x == NULL) { 632 printf("\t%s: 0(bytes)", str); 633 return; 634 } 635 636 #if 0 637 if ((x->sadb_lifetime_bytes) / 1024 / 1024) { 638 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024; 639 unit = "M"; 640 w = 1; 641 } else if ((x->sadb_lifetime_bytes) / 1024) { 642 y = (x->sadb_lifetime_bytes) * 1.0 / 1024; 643 unit = "K"; 644 w = 1; 645 } else { 646 y = (x->sadb_lifetime_bytes) * 1.0; 647 unit = ""; 648 w = 0; 649 } 650 #else 651 y = (x->sadb_lifetime_bytes) * 1.0; 652 unit = ""; 653 w = 0; 654 #endif 655 printf("\t%s: %.*f(%sbytes)", str, w, y, unit); 656 } 657