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 #include <sys/types.h> 36 #include <sys/param.h> 37 #include <sys/socket.h> 38 #include <net/if.h> 39 #include <net/pfkeyv2.h> 40 #include <netipsec/ipsec.h> 41 #include <netipsec/key_var.h> 42 #include <netipsec/key_debug.h> 43 44 #include <netinet/in.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_NULL 59 #define SADB_X_AALG_NULL SADB_AALG_NULL 60 #endif 61 62 #ifndef SADB_X_EALG_RC5CBC 63 #ifdef SADB_EALG_RC5CBC 64 #define SADB_X_EALG_RC5CBC SADB_EALG_RC5CBC 65 #endif 66 #endif 67 68 #define GETMSGSTR(str, num) \ 69 do { \ 70 if (sizeof((str)[0]) == 0 \ 71 || num >= sizeof(str)/sizeof((str)[0])) \ 72 printf("%u ", (num)); \ 73 else if (strlen((str)[(num)]) == 0) \ 74 printf("%u ", (num)); \ 75 else \ 76 printf("%s ", (str)[(num)]); \ 77 } while (0) 78 79 #define GETMSGV2S(v2s, num) \ 80 do { \ 81 struct val2str *p; \ 82 for (p = (v2s); p && p->str; p++) { \ 83 if (p->val == (num)) \ 84 break; \ 85 } \ 86 if (p && p->str) \ 87 printf("%s ", p->str); \ 88 else \ 89 printf("%u ", (num)); \ 90 } while (0) 91 92 static char *str_ipaddr(struct sockaddr *); 93 static char *str_prefport(u_int, u_int, u_int, u_int); 94 static void str_upperspec(u_int, u_int, u_int); 95 static char *str_time(time_t); 96 static void str_lifetime_byte(struct sadb_lifetime *, char *); 97 98 struct val2str { 99 int val; 100 const char *str; 101 }; 102 103 /* 104 * Must to be re-written about following strings. 105 */ 106 static char *str_satype[] = { 107 "unspec", 108 "unknown", 109 "ah", 110 "esp", 111 "unknown", 112 "rsvp", 113 "ospfv2", 114 "ripv2", 115 "mip", 116 "ipcomp", 117 "policy", 118 "tcp" 119 }; 120 121 static char *str_mode[] = { 122 "any", 123 "transport", 124 "tunnel", 125 }; 126 127 static char *str_state[] = { 128 "larval", 129 "mature", 130 "dying", 131 "dead", 132 }; 133 134 static struct val2str str_alg_auth[] = { 135 { SADB_AALG_NONE, "none", }, 136 { SADB_AALG_SHA1HMAC, "hmac-sha1", }, 137 { SADB_X_AALG_NULL, "null", }, 138 { SADB_X_AALG_TCP_MD5, "tcp-md5", }, 139 #ifdef SADB_X_AALG_SHA2_256 140 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", }, 141 #endif 142 #ifdef SADB_X_AALG_SHA2_384 143 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", }, 144 #endif 145 #ifdef SADB_X_AALG_SHA2_512 146 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", }, 147 #endif 148 #ifdef SADB_X_AALG_AES_XCBC_MAC 149 { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", }, 150 #endif 151 #ifdef SADB_X_AALG_CHACHA20POLY1305 152 { SADB_X_AALG_CHACHA20POLY1305, "chacha20-poly1305", }, 153 #endif 154 { -1, NULL, }, 155 }; 156 157 static struct val2str str_alg_enc[] = { 158 { SADB_EALG_NONE, "none", }, 159 { SADB_EALG_NULL, "null", }, 160 #ifdef SADB_X_EALG_RC5CBC 161 { SADB_X_EALG_RC5CBC, "rc5-cbc", }, 162 #endif 163 #ifdef SADB_X_EALG_AESCBC 164 { SADB_X_EALG_AESCBC, "aes-cbc", }, 165 #endif 166 #ifdef SADB_X_EALG_TWOFISHCBC 167 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", }, 168 #endif 169 #ifdef SADB_X_EALG_AESCTR 170 { SADB_X_EALG_AESCTR, "aes-ctr", }, 171 #endif 172 #ifdef SADB_X_EALG_AESGCM16 173 { SADB_X_EALG_AESGCM16, "aes-gcm-16", }, 174 #endif 175 #ifdef SADB_X_EALG_CHACHA20POLY1305 176 { SADB_X_EALG_CHACHA20POLY1305, "chacha20-poly1305", }, 177 #endif 178 { -1, NULL, }, 179 }; 180 181 static struct val2str str_alg_comp[] = { 182 { SADB_X_CALG_NONE, "none", }, 183 { SADB_X_CALG_OUI, "oui", }, 184 { SADB_X_CALG_DEFLATE, "deflate", }, 185 { SADB_X_CALG_LZS, "lzs", }, 186 { -1, NULL, }, 187 }; 188 189 static struct val2str str_sp_scope[] = { 190 { IPSEC_POLICYSCOPE_GLOBAL, "global" }, 191 { IPSEC_POLICYSCOPE_IFNET, "ifnet" }, 192 { IPSEC_POLICYSCOPE_PCB, "pcb"}, 193 { -1, NULL }, 194 }; 195 196 /* 197 * dump SADB_MSG formatted. For debugging, you should use kdebug_sadb(). 198 */ 199 void 200 pfkey_sadump(struct sadb_msg *m) 201 { 202 caddr_t mhp[SADB_EXT_MAX + 1]; 203 struct sadb_sa *m_sa; 204 struct sadb_x_sa2 *m_sa2; 205 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts; 206 struct sadb_address *m_saddr, *m_daddr, *m_paddr; 207 struct sadb_key *m_auth, *m_enc; 208 struct sadb_ident *m_sid, *m_did; 209 struct sadb_sens *m_sens; 210 struct sadb_x_sa_replay *m_sa_replay; 211 struct sadb_x_nat_t_type *natt_type; 212 struct sadb_x_nat_t_port *natt_sport, *natt_dport; 213 struct sadb_address *natt_oai, *natt_oar; 214 215 /* check pfkey message. */ 216 if (pfkey_align(m, mhp)) { 217 printf("%s\n", ipsec_strerror()); 218 return; 219 } 220 if (pfkey_check(mhp)) { 221 printf("%s\n", ipsec_strerror()); 222 return; 223 } 224 225 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA]; 226 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2]; 227 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 228 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 229 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT]; 230 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 231 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 232 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY]; 233 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH]; 234 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT]; 235 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC]; 236 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST]; 237 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY]; 238 m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY]; 239 natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE]; 240 natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT]; 241 natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT]; 242 natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI]; 243 natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR]; 244 245 246 /* source address */ 247 if (m_saddr == NULL) { 248 printf("no ADDRESS_SRC extension.\n"); 249 return; 250 } 251 printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1))); 252 if (natt_type != NULL && natt_sport != NULL) 253 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port)); 254 255 /* destination address */ 256 if (m_daddr == NULL) { 257 printf("\nno ADDRESS_DST extension.\n"); 258 return; 259 } 260 printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1))); 261 if (natt_type != NULL && natt_dport != NULL) 262 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port)); 263 264 /* SA type */ 265 if (m_sa == NULL) { 266 printf("\nno SA extension.\n"); 267 return; 268 } 269 if (m_sa2 == NULL) { 270 printf("\nno SA2 extension.\n"); 271 return; 272 } 273 printf("\n\t"); 274 275 if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL) 276 printf("esp-udp "); 277 else 278 GETMSGSTR(str_satype, m->sadb_msg_satype); 279 280 printf("mode="); 281 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode); 282 283 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n", 284 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 285 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 286 (u_int32_t)m_sa2->sadb_x_sa2_reqid, 287 (u_int32_t)m_sa2->sadb_x_sa2_reqid); 288 289 /* other NAT-T information */ 290 if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) { 291 printf("\tNAT:"); 292 if (natt_oai != NULL) 293 printf(" OAI=%s", 294 str_ipaddr((struct sockaddr *)(natt_oai + 1))); 295 if (natt_oar != NULL) 296 printf(" OAR=%s", 297 str_ipaddr((struct sockaddr *)(natt_oar + 1))); 298 printf("\n"); 299 } 300 301 /* encryption key */ 302 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) { 303 printf("\tC: "); 304 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt); 305 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) { 306 if (m_enc != NULL) { 307 printf("\tE: "); 308 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt); 309 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc), 310 m_enc->sadb_key_bits / 8); 311 printf("\n"); 312 } 313 } 314 315 /* authentication key */ 316 if (m_auth != NULL) { 317 printf("\tA: "); 318 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth); 319 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth), 320 m_auth->sadb_key_bits / 8); 321 printf("\n"); 322 } 323 324 /* replay windoe size & flags */ 325 printf("\tseq=0x%08x replay=%u flags=0x%08x ", 326 m_sa2->sadb_x_sa2_sequence, 327 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) : 328 m_sa->sadb_sa_replay, 329 m_sa->sadb_sa_flags); 330 331 /* state */ 332 printf("state="); 333 GETMSGSTR(str_state, m_sa->sadb_sa_state); 334 printf("\n"); 335 336 /* lifetime */ 337 if (m_lftc != NULL) { 338 time_t tmp_time = time(0); 339 340 printf("\tcreated: %s", 341 str_time(m_lftc->sadb_lifetime_addtime)); 342 printf("\tcurrent: %s\n", str_time(tmp_time)); 343 printf("\tdiff: %lu(s)", 344 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ? 345 0 : (tmp_time - m_lftc->sadb_lifetime_addtime))); 346 347 printf("\thard: %lu(s)", 348 (u_long)(m_lfth == NULL ? 349 0 : m_lfth->sadb_lifetime_addtime)); 350 printf("\tsoft: %lu(s)\n", 351 (u_long)(m_lfts == NULL ? 352 0 : m_lfts->sadb_lifetime_addtime)); 353 354 printf("\tlast: %s", 355 str_time(m_lftc->sadb_lifetime_usetime)); 356 printf("\thard: %lu(s)", 357 (u_long)(m_lfth == NULL ? 358 0 : m_lfth->sadb_lifetime_usetime)); 359 printf("\tsoft: %lu(s)\n", 360 (u_long)(m_lfts == NULL ? 361 0 : m_lfts->sadb_lifetime_usetime)); 362 363 str_lifetime_byte(m_lftc, "current"); 364 str_lifetime_byte(m_lfth, "hard"); 365 str_lifetime_byte(m_lfts, "soft"); 366 printf("\n"); 367 368 printf("\tallocated: %lu", 369 (unsigned long)m_lftc->sadb_lifetime_allocations); 370 printf("\thard: %lu", 371 (u_long)(m_lfth == NULL ? 372 0 : m_lfth->sadb_lifetime_allocations)); 373 printf("\tsoft: %lu\n", 374 (u_long)(m_lfts == NULL ? 375 0 : m_lfts->sadb_lifetime_allocations)); 376 } 377 378 printf("\tsadb_seq=%lu pid=%lu ", 379 (u_long)m->sadb_msg_seq, 380 (u_long)m->sadb_msg_pid); 381 382 /* XXX DEBUG */ 383 printf("refcnt=%u\n", m->sadb_msg_reserved); 384 385 return; 386 } 387 388 void 389 pfkey_spdump(struct sadb_msg *m) 390 { 391 char pbuf[NI_MAXSERV]; 392 caddr_t mhp[SADB_EXT_MAX + 1]; 393 struct sadb_address *m_saddr, *m_daddr; 394 struct sadb_x_policy *m_xpl; 395 struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL; 396 struct sockaddr *sa; 397 u_int16_t sport = 0, dport = 0; 398 399 /* check pfkey message. */ 400 if (pfkey_align(m, mhp)) { 401 printf("%s\n", ipsec_strerror()); 402 return; 403 } 404 if (pfkey_check(mhp)) { 405 printf("%s\n", ipsec_strerror()); 406 return; 407 } 408 409 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 410 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 411 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY]; 412 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 413 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 414 415 if (m_saddr && m_daddr) { 416 /* source address */ 417 sa = (struct sockaddr *)(m_saddr + 1); 418 switch (sa->sa_family) { 419 case AF_INET: 420 case AF_INET6: 421 if (getnameinfo(sa, sa->sa_len, NULL, 0, 422 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 423 sport = 0; /*XXX*/ 424 else 425 sport = atoi(pbuf); 426 printf("%s%s ", str_ipaddr(sa), 427 str_prefport(sa->sa_family, 428 m_saddr->sadb_address_prefixlen, sport, 429 m_saddr->sadb_address_proto)); 430 break; 431 default: 432 printf("unknown-af "); 433 break; 434 } 435 436 /* destination address */ 437 sa = (struct sockaddr *)(m_daddr + 1); 438 switch (sa->sa_family) { 439 case AF_INET: 440 case AF_INET6: 441 if (getnameinfo(sa, sa->sa_len, NULL, 0, 442 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 443 dport = 0; /*XXX*/ 444 else 445 dport = atoi(pbuf); 446 printf("%s%s ", str_ipaddr(sa), 447 str_prefport(sa->sa_family, 448 m_daddr->sadb_address_prefixlen, dport, 449 m_saddr->sadb_address_proto)); 450 break; 451 default: 452 printf("unknown-af "); 453 break; 454 } 455 456 /* upper layer protocol */ 457 if (m_saddr->sadb_address_proto != 458 m_daddr->sadb_address_proto) { 459 printf("upper layer protocol mismatched.\n"); 460 return; 461 } 462 str_upperspec(m_saddr->sadb_address_proto, sport, dport); 463 } 464 else 465 printf("(no selector, probably per-socket policy) "); 466 467 /* policy */ 468 { 469 char *d_xpl; 470 471 if (m_xpl == NULL) { 472 printf("no X_POLICY extension.\n"); 473 return; 474 } 475 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t"); 476 477 /* dump SPD */ 478 printf("\n\t%s\n", d_xpl); 479 free(d_xpl); 480 } 481 482 /* lifetime */ 483 if (m_lftc) { 484 printf("\tcreated: %s ", 485 str_time(m_lftc->sadb_lifetime_addtime)); 486 printf("lastused: %s\n", 487 str_time(m_lftc->sadb_lifetime_usetime)); 488 } 489 if (m_lfth) { 490 printf("\tlifetime: %lu(s) ", 491 (u_long)m_lfth->sadb_lifetime_addtime); 492 printf("validtime: %lu(s)\n", 493 (u_long)m_lfth->sadb_lifetime_usetime); 494 } 495 496 497 printf("\tspid=%ld seq=%ld pid=%ld scope=", 498 (u_long)m_xpl->sadb_x_policy_id, 499 (u_long)m->sadb_msg_seq, 500 (u_long)m->sadb_msg_pid); 501 GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope); 502 if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET && 503 if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL) 504 printf("ifname=%s", pbuf); 505 printf("\n"); 506 507 /* XXX TEST */ 508 printf("\trefcnt=%u\n", m->sadb_msg_reserved); 509 510 return; 511 } 512 513 /* 514 * set "ipaddress" to buffer. 515 */ 516 static char * 517 str_ipaddr(struct sockaddr *sa) 518 { 519 static char buf[NI_MAXHOST]; 520 const int niflag = NI_NUMERICHOST; 521 522 if (sa == NULL) 523 return ""; 524 525 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0) 526 return buf; 527 return NULL; 528 } 529 530 /* 531 * set "/prefix[port number]" to buffer. 532 */ 533 static char * 534 str_prefport(u_int family, u_int pref, u_int port, u_int ulp) 535 { 536 static char buf[128]; 537 char prefbuf[128]; 538 char portbuf[128]; 539 int plen; 540 541 switch (family) { 542 case AF_INET: 543 plen = sizeof(struct in_addr) << 3; 544 break; 545 case AF_INET6: 546 plen = sizeof(struct in6_addr) << 3; 547 break; 548 default: 549 return "?"; 550 } 551 552 if (pref == plen) 553 prefbuf[0] = '\0'; 554 else 555 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref); 556 557 if (ulp == IPPROTO_ICMPV6) 558 memset(portbuf, 0, sizeof(portbuf)); 559 else { 560 if (port == IPSEC_PORT_ANY) 561 snprintf(portbuf, sizeof(portbuf), "[%s]", "any"); 562 else 563 snprintf(portbuf, sizeof(portbuf), "[%u]", port); 564 } 565 566 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf); 567 568 return buf; 569 } 570 571 static void 572 str_upperspec(u_int ulp, u_int p1, u_int 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(time_t t) 605 { 606 static char buf[128]; 607 608 if (t == 0) { 609 int i = 0; 610 for (;i < 20;) buf[i++] = ' '; 611 } else { 612 char *t0; 613 t0 = ctime(&t); 614 memcpy(buf, t0 + 4, 20); 615 } 616 617 buf[20] = '\0'; 618 619 return(buf); 620 } 621 622 static void 623 str_lifetime_byte(struct sadb_lifetime *x, char *str) 624 { 625 double y; 626 char *unit; 627 int w; 628 629 if (x == NULL) { 630 printf("\t%s: 0(bytes)", str); 631 return; 632 } 633 634 #if 0 635 if ((x->sadb_lifetime_bytes) / 1024 / 1024) { 636 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024; 637 unit = "M"; 638 w = 1; 639 } else if ((x->sadb_lifetime_bytes) / 1024) { 640 y = (x->sadb_lifetime_bytes) * 1.0 / 1024; 641 unit = "K"; 642 w = 1; 643 } else { 644 y = (x->sadb_lifetime_bytes) * 1.0; 645 unit = ""; 646 w = 0; 647 } 648 #else 649 y = (x->sadb_lifetime_bytes) * 1.0; 650 unit = ""; 651 w = 0; 652 #endif 653 printf("\t%s: %.*f(%sbytes)", str, w, y, unit); 654 } 655