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(m) 203 struct sadb_msg *m; 204 { 205 caddr_t mhp[SADB_EXT_MAX + 1]; 206 struct sadb_sa *m_sa; 207 struct sadb_x_sa2 *m_sa2; 208 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts; 209 struct sadb_address *m_saddr, *m_daddr, *m_paddr; 210 struct sadb_key *m_auth, *m_enc; 211 struct sadb_ident *m_sid, *m_did; 212 struct sadb_sens *m_sens; 213 struct sadb_x_sa_replay *m_sa_replay; 214 struct sadb_x_nat_t_type *natt_type; 215 struct sadb_x_nat_t_port *natt_sport, *natt_dport; 216 struct sadb_address *natt_oai, *natt_oar; 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 m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY]; 242 natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE]; 243 natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT]; 244 natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT]; 245 natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI]; 246 natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR]; 247 248 249 /* source address */ 250 if (m_saddr == NULL) { 251 printf("no ADDRESS_SRC extension.\n"); 252 return; 253 } 254 printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1))); 255 if (natt_type != NULL && natt_sport != NULL) 256 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port)); 257 258 /* destination address */ 259 if (m_daddr == NULL) { 260 printf("\nno ADDRESS_DST extension.\n"); 261 return; 262 } 263 printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1))); 264 if (natt_type != NULL && natt_dport != NULL) 265 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port)); 266 267 /* SA type */ 268 if (m_sa == NULL) { 269 printf("\nno SA extension.\n"); 270 return; 271 } 272 if (m_sa2 == NULL) { 273 printf("\nno SA2 extension.\n"); 274 return; 275 } 276 printf("\n\t"); 277 278 if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL) 279 printf("esp-udp "); 280 else 281 GETMSGSTR(str_satype, m->sadb_msg_satype); 282 283 printf("mode="); 284 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode); 285 286 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n", 287 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 288 (u_int32_t)ntohl(m_sa->sadb_sa_spi), 289 (u_int32_t)m_sa2->sadb_x_sa2_reqid, 290 (u_int32_t)m_sa2->sadb_x_sa2_reqid); 291 292 /* other NAT-T information */ 293 if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) { 294 printf("\tNAT:"); 295 if (natt_oai != NULL) 296 printf(" OAI=%s", 297 str_ipaddr((struct sockaddr *)(natt_oai + 1))); 298 if (natt_oar != NULL) 299 printf(" OAR=%s", 300 str_ipaddr((struct sockaddr *)(natt_oar + 1))); 301 printf("\n"); 302 } 303 304 /* encryption key */ 305 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) { 306 printf("\tC: "); 307 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt); 308 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) { 309 if (m_enc != NULL) { 310 printf("\tE: "); 311 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt); 312 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc), 313 m_enc->sadb_key_bits / 8); 314 printf("\n"); 315 } 316 } 317 318 /* authentication key */ 319 if (m_auth != NULL) { 320 printf("\tA: "); 321 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth); 322 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth), 323 m_auth->sadb_key_bits / 8); 324 printf("\n"); 325 } 326 327 /* replay windoe size & flags */ 328 printf("\tseq=0x%08x replay=%u flags=0x%08x ", 329 m_sa2->sadb_x_sa2_sequence, 330 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) : 331 m_sa->sadb_sa_replay, 332 m_sa->sadb_sa_flags); 333 334 /* state */ 335 printf("state="); 336 GETMSGSTR(str_state, m_sa->sadb_sa_state); 337 printf("\n"); 338 339 /* lifetime */ 340 if (m_lftc != NULL) { 341 time_t tmp_time = time(0); 342 343 printf("\tcreated: %s", 344 str_time(m_lftc->sadb_lifetime_addtime)); 345 printf("\tcurrent: %s\n", str_time(tmp_time)); 346 printf("\tdiff: %lu(s)", 347 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ? 348 0 : (tmp_time - m_lftc->sadb_lifetime_addtime))); 349 350 printf("\thard: %lu(s)", 351 (u_long)(m_lfth == NULL ? 352 0 : m_lfth->sadb_lifetime_addtime)); 353 printf("\tsoft: %lu(s)\n", 354 (u_long)(m_lfts == NULL ? 355 0 : m_lfts->sadb_lifetime_addtime)); 356 357 printf("\tlast: %s", 358 str_time(m_lftc->sadb_lifetime_usetime)); 359 printf("\thard: %lu(s)", 360 (u_long)(m_lfth == NULL ? 361 0 : m_lfth->sadb_lifetime_usetime)); 362 printf("\tsoft: %lu(s)\n", 363 (u_long)(m_lfts == NULL ? 364 0 : m_lfts->sadb_lifetime_usetime)); 365 366 str_lifetime_byte(m_lftc, "current"); 367 str_lifetime_byte(m_lfth, "hard"); 368 str_lifetime_byte(m_lfts, "soft"); 369 printf("\n"); 370 371 printf("\tallocated: %lu", 372 (unsigned long)m_lftc->sadb_lifetime_allocations); 373 printf("\thard: %lu", 374 (u_long)(m_lfth == NULL ? 375 0 : m_lfth->sadb_lifetime_allocations)); 376 printf("\tsoft: %lu\n", 377 (u_long)(m_lfts == NULL ? 378 0 : m_lfts->sadb_lifetime_allocations)); 379 } 380 381 printf("\tsadb_seq=%lu pid=%lu ", 382 (u_long)m->sadb_msg_seq, 383 (u_long)m->sadb_msg_pid); 384 385 /* XXX DEBUG */ 386 printf("refcnt=%u\n", m->sadb_msg_reserved); 387 388 return; 389 } 390 391 void 392 pfkey_spdump(struct sadb_msg *m) 393 { 394 char pbuf[NI_MAXSERV]; 395 caddr_t mhp[SADB_EXT_MAX + 1]; 396 struct sadb_address *m_saddr, *m_daddr; 397 struct sadb_x_policy *m_xpl; 398 struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL; 399 struct sockaddr *sa; 400 u_int16_t sport = 0, dport = 0; 401 402 /* check pfkey message. */ 403 if (pfkey_align(m, mhp)) { 404 printf("%s\n", ipsec_strerror()); 405 return; 406 } 407 if (pfkey_check(mhp)) { 408 printf("%s\n", ipsec_strerror()); 409 return; 410 } 411 412 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC]; 413 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST]; 414 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY]; 415 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT]; 416 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD]; 417 418 if (m_saddr && m_daddr) { 419 /* source address */ 420 sa = (struct sockaddr *)(m_saddr + 1); 421 switch (sa->sa_family) { 422 case AF_INET: 423 case AF_INET6: 424 if (getnameinfo(sa, sa->sa_len, NULL, 0, 425 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 426 sport = 0; /*XXX*/ 427 else 428 sport = atoi(pbuf); 429 printf("%s%s ", str_ipaddr(sa), 430 str_prefport(sa->sa_family, 431 m_saddr->sadb_address_prefixlen, sport, 432 m_saddr->sadb_address_proto)); 433 break; 434 default: 435 printf("unknown-af "); 436 break; 437 } 438 439 /* destination address */ 440 sa = (struct sockaddr *)(m_daddr + 1); 441 switch (sa->sa_family) { 442 case AF_INET: 443 case AF_INET6: 444 if (getnameinfo(sa, sa->sa_len, NULL, 0, 445 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0) 446 dport = 0; /*XXX*/ 447 else 448 dport = atoi(pbuf); 449 printf("%s%s ", str_ipaddr(sa), 450 str_prefport(sa->sa_family, 451 m_daddr->sadb_address_prefixlen, dport, 452 m_saddr->sadb_address_proto)); 453 break; 454 default: 455 printf("unknown-af "); 456 break; 457 } 458 459 /* upper layer protocol */ 460 if (m_saddr->sadb_address_proto != 461 m_daddr->sadb_address_proto) { 462 printf("upper layer protocol mismatched.\n"); 463 return; 464 } 465 str_upperspec(m_saddr->sadb_address_proto, sport, dport); 466 } 467 else 468 printf("(no selector, probably per-socket policy) "); 469 470 /* policy */ 471 { 472 char *d_xpl; 473 474 if (m_xpl == NULL) { 475 printf("no X_POLICY extension.\n"); 476 return; 477 } 478 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t"); 479 480 /* dump SPD */ 481 printf("\n\t%s\n", d_xpl); 482 free(d_xpl); 483 } 484 485 /* lifetime */ 486 if (m_lftc) { 487 printf("\tcreated: %s ", 488 str_time(m_lftc->sadb_lifetime_addtime)); 489 printf("lastused: %s\n", 490 str_time(m_lftc->sadb_lifetime_usetime)); 491 } 492 if (m_lfth) { 493 printf("\tlifetime: %lu(s) ", 494 (u_long)m_lfth->sadb_lifetime_addtime); 495 printf("validtime: %lu(s)\n", 496 (u_long)m_lfth->sadb_lifetime_usetime); 497 } 498 499 500 printf("\tspid=%ld seq=%ld pid=%ld scope=", 501 (u_long)m_xpl->sadb_x_policy_id, 502 (u_long)m->sadb_msg_seq, 503 (u_long)m->sadb_msg_pid); 504 GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope); 505 if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET && 506 if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL) 507 printf("ifname=%s", pbuf); 508 printf("\n"); 509 510 /* XXX TEST */ 511 printf("\trefcnt=%u\n", m->sadb_msg_reserved); 512 513 return; 514 } 515 516 /* 517 * set "ipaddress" to buffer. 518 */ 519 static char * 520 str_ipaddr(sa) 521 struct sockaddr *sa; 522 { 523 static char buf[NI_MAXHOST]; 524 const int niflag = NI_NUMERICHOST; 525 526 if (sa == NULL) 527 return ""; 528 529 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0) 530 return buf; 531 return NULL; 532 } 533 534 /* 535 * set "/prefix[port number]" to buffer. 536 */ 537 static char * 538 str_prefport(family, pref, port, ulp) 539 u_int family, pref, port, ulp; 540 { 541 static char buf[128]; 542 char prefbuf[128]; 543 char portbuf[128]; 544 int plen; 545 546 switch (family) { 547 case AF_INET: 548 plen = sizeof(struct in_addr) << 3; 549 break; 550 case AF_INET6: 551 plen = sizeof(struct in6_addr) << 3; 552 break; 553 default: 554 return "?"; 555 } 556 557 if (pref == plen) 558 prefbuf[0] = '\0'; 559 else 560 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref); 561 562 if (ulp == IPPROTO_ICMPV6) 563 memset(portbuf, 0, sizeof(portbuf)); 564 else { 565 if (port == IPSEC_PORT_ANY) 566 snprintf(portbuf, sizeof(portbuf), "[%s]", "any"); 567 else 568 snprintf(portbuf, sizeof(portbuf), "[%u]", port); 569 } 570 571 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf); 572 573 return buf; 574 } 575 576 static void 577 str_upperspec(ulp, p1, p2) 578 u_int ulp, p1, p2; 579 { 580 if (ulp == IPSEC_ULPROTO_ANY) 581 printf("any"); 582 else if (ulp == IPPROTO_ICMPV6) { 583 printf("icmp6"); 584 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY)) 585 printf(" %u,%u", p1, p2); 586 } else { 587 struct protoent *ent; 588 589 switch (ulp) { 590 case IPPROTO_IPV4: 591 printf("ip4"); 592 break; 593 default: 594 ent = getprotobynumber(ulp); 595 if (ent) 596 printf("%s", ent->p_name); 597 else 598 printf("%u", ulp); 599 600 endprotoent(); 601 break; 602 } 603 } 604 } 605 606 /* 607 * set "Mon Day Time Year" to buffer 608 */ 609 static char * 610 str_time(t) 611 time_t t; 612 { 613 static char buf[128]; 614 615 if (t == 0) { 616 int i = 0; 617 for (;i < 20;) buf[i++] = ' '; 618 } else { 619 char *t0; 620 t0 = ctime(&t); 621 memcpy(buf, t0 + 4, 20); 622 } 623 624 buf[20] = '\0'; 625 626 return(buf); 627 } 628 629 static void 630 str_lifetime_byte(x, str) 631 struct sadb_lifetime *x; 632 char *str; 633 { 634 double y; 635 char *unit; 636 int w; 637 638 if (x == NULL) { 639 printf("\t%s: 0(bytes)", str); 640 return; 641 } 642 643 #if 0 644 if ((x->sadb_lifetime_bytes) / 1024 / 1024) { 645 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024; 646 unit = "M"; 647 w = 1; 648 } else if ((x->sadb_lifetime_bytes) / 1024) { 649 y = (x->sadb_lifetime_bytes) * 1.0 / 1024; 650 unit = "K"; 651 w = 1; 652 } else { 653 y = (x->sadb_lifetime_bytes) * 1.0; 654 unit = ""; 655 w = 0; 656 } 657 #else 658 y = (x->sadb_lifetime_bytes) * 1.0; 659 unit = ""; 660 w = 0; 661 #endif 662 printf("\t%s: %.*f(%sbytes)", str, w, y, unit); 663 } 664