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_AESCBC
163 { SADB_X_EALG_AESCBC, "aes-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
pfkey_sadump(m)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
pfkey_spdump(struct sadb_msg * m)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 *
str_ipaddr(sa)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 *
str_prefport(family,pref,port,ulp)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
str_upperspec(ulp,p1,p2)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 *
str_time(t)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
str_lifetime_byte(x,str)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