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 { -1, NULL, },
152 };
153
154 static struct val2str str_alg_enc[] = {
155 { SADB_EALG_NONE, "none", },
156 { SADB_EALG_NULL, "null", },
157 #ifdef SADB_X_EALG_RC5CBC
158 { SADB_X_EALG_RC5CBC, "rc5-cbc", },
159 #endif
160 #ifdef SADB_X_EALG_AESCBC
161 { SADB_X_EALG_AESCBC, "aes-cbc", },
162 #endif
163 #ifdef SADB_X_EALG_TWOFISHCBC
164 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
165 #endif
166 #ifdef SADB_X_EALG_AESCTR
167 { SADB_X_EALG_AESCTR, "aes-ctr", },
168 #endif
169 #ifdef SADB_X_EALG_AESGCM16
170 { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
171 #endif
172 { -1, NULL, },
173 };
174
175 static struct val2str str_alg_comp[] = {
176 { SADB_X_CALG_NONE, "none", },
177 { SADB_X_CALG_OUI, "oui", },
178 { SADB_X_CALG_DEFLATE, "deflate", },
179 { SADB_X_CALG_LZS, "lzs", },
180 { -1, NULL, },
181 };
182
183 static struct val2str str_sp_scope[] = {
184 { IPSEC_POLICYSCOPE_GLOBAL, "global" },
185 { IPSEC_POLICYSCOPE_IFNET, "ifnet" },
186 { IPSEC_POLICYSCOPE_PCB, "pcb"},
187 { -1, NULL },
188 };
189
190 /*
191 * dump SADB_MSG formatted. For debugging, you should use kdebug_sadb().
192 */
193 void
pfkey_sadump(m)194 pfkey_sadump(m)
195 struct sadb_msg *m;
196 {
197 caddr_t mhp[SADB_EXT_MAX + 1];
198 struct sadb_sa *m_sa;
199 struct sadb_x_sa2 *m_sa2;
200 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
201 struct sadb_address *m_saddr, *m_daddr, *m_paddr;
202 struct sadb_key *m_auth, *m_enc;
203 struct sadb_ident *m_sid, *m_did;
204 struct sadb_sens *m_sens;
205 struct sadb_x_sa_replay *m_sa_replay;
206 struct sadb_x_nat_t_type *natt_type;
207 struct sadb_x_nat_t_port *natt_sport, *natt_dport;
208 struct sadb_address *natt_oai, *natt_oar;
209
210 /* check pfkey message. */
211 if (pfkey_align(m, mhp)) {
212 printf("%s\n", ipsec_strerror());
213 return;
214 }
215 if (pfkey_check(mhp)) {
216 printf("%s\n", ipsec_strerror());
217 return;
218 }
219
220 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
221 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
222 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
223 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
224 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
225 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
226 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
227 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
228 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
229 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
230 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
231 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
232 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
233 m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
234 natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
235 natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
236 natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
237 natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
238 natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
239
240
241 /* source address */
242 if (m_saddr == NULL) {
243 printf("no ADDRESS_SRC extension.\n");
244 return;
245 }
246 printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
247 if (natt_type != NULL && natt_sport != NULL)
248 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
249
250 /* destination address */
251 if (m_daddr == NULL) {
252 printf("\nno ADDRESS_DST extension.\n");
253 return;
254 }
255 printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
256 if (natt_type != NULL && natt_dport != NULL)
257 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
258
259 /* SA type */
260 if (m_sa == NULL) {
261 printf("\nno SA extension.\n");
262 return;
263 }
264 if (m_sa2 == NULL) {
265 printf("\nno SA2 extension.\n");
266 return;
267 }
268 printf("\n\t");
269
270 if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
271 printf("esp-udp ");
272 else
273 GETMSGSTR(str_satype, m->sadb_msg_satype);
274
275 printf("mode=");
276 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
277
278 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
279 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
280 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
281 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
282 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
283
284 /* other NAT-T information */
285 if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
286 printf("\tNAT:");
287 if (natt_oai != NULL)
288 printf(" OAI=%s",
289 str_ipaddr((struct sockaddr *)(natt_oai + 1)));
290 if (natt_oar != NULL)
291 printf(" OAR=%s",
292 str_ipaddr((struct sockaddr *)(natt_oar + 1)));
293 printf("\n");
294 }
295
296 /* encryption key */
297 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
298 printf("\tC: ");
299 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
300 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
301 if (m_enc != NULL) {
302 printf("\tE: ");
303 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
304 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
305 m_enc->sadb_key_bits / 8);
306 printf("\n");
307 }
308 }
309
310 /* authentication key */
311 if (m_auth != NULL) {
312 printf("\tA: ");
313 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
314 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
315 m_auth->sadb_key_bits / 8);
316 printf("\n");
317 }
318
319 /* replay windoe size & flags */
320 printf("\tseq=0x%08x replay=%u flags=0x%08x ",
321 m_sa2->sadb_x_sa2_sequence,
322 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
323 m_sa->sadb_sa_replay,
324 m_sa->sadb_sa_flags);
325
326 /* state */
327 printf("state=");
328 GETMSGSTR(str_state, m_sa->sadb_sa_state);
329 printf("\n");
330
331 /* lifetime */
332 if (m_lftc != NULL) {
333 time_t tmp_time = time(0);
334
335 printf("\tcreated: %s",
336 str_time(m_lftc->sadb_lifetime_addtime));
337 printf("\tcurrent: %s\n", str_time(tmp_time));
338 printf("\tdiff: %lu(s)",
339 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
340 0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
341
342 printf("\thard: %lu(s)",
343 (u_long)(m_lfth == NULL ?
344 0 : m_lfth->sadb_lifetime_addtime));
345 printf("\tsoft: %lu(s)\n",
346 (u_long)(m_lfts == NULL ?
347 0 : m_lfts->sadb_lifetime_addtime));
348
349 printf("\tlast: %s",
350 str_time(m_lftc->sadb_lifetime_usetime));
351 printf("\thard: %lu(s)",
352 (u_long)(m_lfth == NULL ?
353 0 : m_lfth->sadb_lifetime_usetime));
354 printf("\tsoft: %lu(s)\n",
355 (u_long)(m_lfts == NULL ?
356 0 : m_lfts->sadb_lifetime_usetime));
357
358 str_lifetime_byte(m_lftc, "current");
359 str_lifetime_byte(m_lfth, "hard");
360 str_lifetime_byte(m_lfts, "soft");
361 printf("\n");
362
363 printf("\tallocated: %lu",
364 (unsigned long)m_lftc->sadb_lifetime_allocations);
365 printf("\thard: %lu",
366 (u_long)(m_lfth == NULL ?
367 0 : m_lfth->sadb_lifetime_allocations));
368 printf("\tsoft: %lu\n",
369 (u_long)(m_lfts == NULL ?
370 0 : m_lfts->sadb_lifetime_allocations));
371 }
372
373 printf("\tsadb_seq=%lu pid=%lu ",
374 (u_long)m->sadb_msg_seq,
375 (u_long)m->sadb_msg_pid);
376
377 /* XXX DEBUG */
378 printf("refcnt=%u\n", m->sadb_msg_reserved);
379
380 return;
381 }
382
383 void
pfkey_spdump(struct sadb_msg * m)384 pfkey_spdump(struct sadb_msg *m)
385 {
386 char pbuf[NI_MAXSERV];
387 caddr_t mhp[SADB_EXT_MAX + 1];
388 struct sadb_address *m_saddr, *m_daddr;
389 struct sadb_x_policy *m_xpl;
390 struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
391 struct sockaddr *sa;
392 u_int16_t sport = 0, dport = 0;
393
394 /* check pfkey message. */
395 if (pfkey_align(m, mhp)) {
396 printf("%s\n", ipsec_strerror());
397 return;
398 }
399 if (pfkey_check(mhp)) {
400 printf("%s\n", ipsec_strerror());
401 return;
402 }
403
404 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
405 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
406 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
407 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
408 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
409
410 if (m_saddr && m_daddr) {
411 /* source address */
412 sa = (struct sockaddr *)(m_saddr + 1);
413 switch (sa->sa_family) {
414 case AF_INET:
415 case AF_INET6:
416 if (getnameinfo(sa, sa->sa_len, NULL, 0,
417 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
418 sport = 0; /*XXX*/
419 else
420 sport = atoi(pbuf);
421 printf("%s%s ", str_ipaddr(sa),
422 str_prefport(sa->sa_family,
423 m_saddr->sadb_address_prefixlen, sport,
424 m_saddr->sadb_address_proto));
425 break;
426 default:
427 printf("unknown-af ");
428 break;
429 }
430
431 /* destination address */
432 sa = (struct sockaddr *)(m_daddr + 1);
433 switch (sa->sa_family) {
434 case AF_INET:
435 case AF_INET6:
436 if (getnameinfo(sa, sa->sa_len, NULL, 0,
437 pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
438 dport = 0; /*XXX*/
439 else
440 dport = atoi(pbuf);
441 printf("%s%s ", str_ipaddr(sa),
442 str_prefport(sa->sa_family,
443 m_daddr->sadb_address_prefixlen, dport,
444 m_saddr->sadb_address_proto));
445 break;
446 default:
447 printf("unknown-af ");
448 break;
449 }
450
451 /* upper layer protocol */
452 if (m_saddr->sadb_address_proto !=
453 m_daddr->sadb_address_proto) {
454 printf("upper layer protocol mismatched.\n");
455 return;
456 }
457 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
458 }
459 else
460 printf("(no selector, probably per-socket policy) ");
461
462 /* policy */
463 {
464 char *d_xpl;
465
466 if (m_xpl == NULL) {
467 printf("no X_POLICY extension.\n");
468 return;
469 }
470 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
471
472 /* dump SPD */
473 printf("\n\t%s\n", d_xpl);
474 free(d_xpl);
475 }
476
477 /* lifetime */
478 if (m_lftc) {
479 printf("\tcreated: %s ",
480 str_time(m_lftc->sadb_lifetime_addtime));
481 printf("lastused: %s\n",
482 str_time(m_lftc->sadb_lifetime_usetime));
483 }
484 if (m_lfth) {
485 printf("\tlifetime: %lu(s) ",
486 (u_long)m_lfth->sadb_lifetime_addtime);
487 printf("validtime: %lu(s)\n",
488 (u_long)m_lfth->sadb_lifetime_usetime);
489 }
490
491
492 printf("\tspid=%ld seq=%ld pid=%ld scope=",
493 (u_long)m_xpl->sadb_x_policy_id,
494 (u_long)m->sadb_msg_seq,
495 (u_long)m->sadb_msg_pid);
496 GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
497 if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
498 if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
499 printf("ifname=%s", pbuf);
500 printf("\n");
501
502 /* XXX TEST */
503 printf("\trefcnt=%u\n", m->sadb_msg_reserved);
504
505 return;
506 }
507
508 /*
509 * set "ipaddress" to buffer.
510 */
511 static char *
str_ipaddr(sa)512 str_ipaddr(sa)
513 struct sockaddr *sa;
514 {
515 static char buf[NI_MAXHOST];
516 const int niflag = NI_NUMERICHOST;
517
518 if (sa == NULL)
519 return "";
520
521 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
522 return buf;
523 return NULL;
524 }
525
526 /*
527 * set "/prefix[port number]" to buffer.
528 */
529 static char *
str_prefport(family,pref,port,ulp)530 str_prefport(family, pref, port, ulp)
531 u_int family, pref, port, ulp;
532 {
533 static char buf[128];
534 char prefbuf[128];
535 char portbuf[128];
536 int plen;
537
538 switch (family) {
539 case AF_INET:
540 plen = sizeof(struct in_addr) << 3;
541 break;
542 case AF_INET6:
543 plen = sizeof(struct in6_addr) << 3;
544 break;
545 default:
546 return "?";
547 }
548
549 if (pref == plen)
550 prefbuf[0] = '\0';
551 else
552 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
553
554 if (ulp == IPPROTO_ICMPV6)
555 memset(portbuf, 0, sizeof(portbuf));
556 else {
557 if (port == IPSEC_PORT_ANY)
558 snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
559 else
560 snprintf(portbuf, sizeof(portbuf), "[%u]", port);
561 }
562
563 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
564
565 return buf;
566 }
567
568 static void
str_upperspec(ulp,p1,p2)569 str_upperspec(ulp, p1, p2)
570 u_int ulp, p1, p2;
571 {
572 if (ulp == IPSEC_ULPROTO_ANY)
573 printf("any");
574 else if (ulp == IPPROTO_ICMPV6) {
575 printf("icmp6");
576 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
577 printf(" %u,%u", p1, p2);
578 } else {
579 struct protoent *ent;
580
581 switch (ulp) {
582 case IPPROTO_IPV4:
583 printf("ip4");
584 break;
585 default:
586 ent = getprotobynumber(ulp);
587 if (ent)
588 printf("%s", ent->p_name);
589 else
590 printf("%u", ulp);
591
592 endprotoent();
593 break;
594 }
595 }
596 }
597
598 /*
599 * set "Mon Day Time Year" to buffer
600 */
601 static char *
str_time(t)602 str_time(t)
603 time_t t;
604 {
605 static char buf[128];
606
607 if (t == 0) {
608 int i = 0;
609 for (;i < 20;) buf[i++] = ' ';
610 } else {
611 char *t0;
612 t0 = ctime(&t);
613 memcpy(buf, t0 + 4, 20);
614 }
615
616 buf[20] = '\0';
617
618 return(buf);
619 }
620
621 static void
str_lifetime_byte(x,str)622 str_lifetime_byte(x, str)
623 struct sadb_lifetime *x;
624 char *str;
625 {
626 double y;
627 char *unit;
628 int w;
629
630 if (x == NULL) {
631 printf("\t%s: 0(bytes)", str);
632 return;
633 }
634
635 #if 0
636 if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
637 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
638 unit = "M";
639 w = 1;
640 } else if ((x->sadb_lifetime_bytes) / 1024) {
641 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
642 unit = "K";
643 w = 1;
644 } else {
645 y = (x->sadb_lifetime_bytes) * 1.0;
646 unit = "";
647 w = 0;
648 }
649 #else
650 y = (x->sadb_lifetime_bytes) * 1.0;
651 unit = "";
652 w = 0;
653 #endif
654 printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
655 }
656