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/types.h>
35#include <sys/param.h>
36#include <sys/socket.h>
37#include <net/if.h>
38#include <net/pfkeyv2.h>
39#include <netipsec/ipsec.h>
40#include <netipsec/key_var.h>
41#include <netipsec/key_debug.h>
42
43#include <netinet/in.h>
44#include <arpa/inet.h>
45
46#include <stdlib.h>
47#include <unistd.h>
48#include <stdio.h>
49#include <string.h>
50#include <time.h>
51#include <netdb.h>
52
53#include "ipsec_strerror.h"
54#include "libpfkey.h"
55
56/* cope with old kame headers - ugly */
57#ifndef SADB_X_AALG_NULL
58#define SADB_X_AALG_NULL	SADB_AALG_NULL
59#endif
60
61#ifndef SADB_X_EALG_RC5CBC
62#ifdef SADB_EALG_RC5CBC
63#define SADB_X_EALG_RC5CBC	SADB_EALG_RC5CBC
64#endif
65#endif
66
67#define GETMSGSTR(str, num) \
68do { \
69	if (sizeof((str)[0]) == 0 \
70	 || num >= sizeof(str)/sizeof((str)[0])) \
71		printf("%u ", (num)); \
72	else if (strlen((str)[(num)]) == 0) \
73		printf("%u ", (num)); \
74	else \
75		printf("%s ", (str)[(num)]); \
76} while (0)
77
78#define GETMSGV2S(v2s, num) \
79do { \
80	struct val2str *p;  \
81	for (p = (v2s); p && p->str; p++) { \
82		if (p->val == (num)) \
83			break; \
84	} \
85	if (p && p->str) \
86		printf("%s ", p->str); \
87	else \
88		printf("%u ", (num)); \
89} while (0)
90
91static char *str_ipaddr(struct sockaddr *);
92static char *str_prefport(u_int, u_int, u_int, u_int);
93static void str_upperspec(u_int, u_int, u_int);
94static char *str_time(time_t);
95static void str_lifetime_byte(struct sadb_lifetime *, char *);
96
97struct val2str {
98	int val;
99	const char *str;
100};
101
102/*
103 * Must to be re-written about following strings.
104 */
105static char *str_satype[] = {
106	"unspec",
107	"unknown",
108	"ah",
109	"esp",
110	"unknown",
111	"rsvp",
112	"ospfv2",
113	"ripv2",
114	"mip",
115	"ipcomp",
116	"policy",
117	"tcp"
118};
119
120static char *str_mode[] = {
121	"any",
122	"transport",
123	"tunnel",
124};
125
126static char *str_state[] = {
127	"larval",
128	"mature",
129	"dying",
130	"dead",
131};
132
133static struct val2str str_alg_auth[] = {
134	{ SADB_AALG_NONE, "none", },
135	{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
136	{ SADB_X_AALG_NULL, "null", },
137	{ SADB_X_AALG_TCP_MD5, "tcp-md5", },
138#ifdef SADB_X_AALG_SHA2_256
139	{ SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
140#endif
141#ifdef SADB_X_AALG_SHA2_384
142	{ SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
143#endif
144#ifdef SADB_X_AALG_SHA2_512
145	{ SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
146#endif
147#ifdef SADB_X_AALG_AES_XCBC_MAC
148	{ SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
149#endif
150#ifdef SADB_X_AALG_CHACHA20POLY1305
151	{ SADB_X_AALG_CHACHA20POLY1305, "chacha20-poly1305", },
152#endif
153	{ -1, NULL, },
154};
155
156static 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#ifdef SADB_X_EALG_CHACHA20POLY1305
175	{ SADB_X_EALG_CHACHA20POLY1305, "chacha20-poly1305", },
176#endif
177	{ -1, NULL, },
178};
179
180static struct val2str str_alg_comp[] = {
181	{ SADB_X_CALG_NONE, "none", },
182	{ SADB_X_CALG_OUI, "oui", },
183	{ SADB_X_CALG_DEFLATE, "deflate", },
184	{ SADB_X_CALG_LZS, "lzs", },
185	{ -1, NULL, },
186};
187
188static struct val2str str_sp_scope[] = {
189	{ IPSEC_POLICYSCOPE_GLOBAL, "global" },
190	{ IPSEC_POLICYSCOPE_IFNET, "ifnet" },
191	{ IPSEC_POLICYSCOPE_PCB, "pcb"},
192	{ -1, NULL },
193};
194
195/*
196 * dump SADB_MSG formatted.  For debugging, you should use kdebug_sadb().
197 */
198void
199pfkey_sadump(struct sadb_msg *m)
200{
201	caddr_t mhp[SADB_EXT_MAX + 1];
202	struct sadb_sa *m_sa;
203	struct sadb_x_sa2 *m_sa2;
204	struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
205	struct sadb_address *m_saddr, *m_daddr, *m_paddr;
206	struct sadb_key *m_auth, *m_enc;
207	struct sadb_ident *m_sid, *m_did;
208	struct sadb_sens *m_sens;
209	struct sadb_x_sa_replay *m_sa_replay;
210	struct sadb_x_nat_t_type *natt_type;
211	struct sadb_x_nat_t_port *natt_sport, *natt_dport;
212	struct sadb_address *natt_oai, *natt_oar;
213
214	/* check pfkey message. */
215	if (pfkey_align(m, mhp)) {
216		printf("%s\n", ipsec_strerror());
217		return;
218	}
219	if (pfkey_check(mhp)) {
220		printf("%s\n", ipsec_strerror());
221		return;
222	}
223
224	m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
225	m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
226	m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
227	m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
228	m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
229	m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
230	m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
231	m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
232	m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
233	m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
234	m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
235	m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
236	m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
237	m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
238	natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
239	natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
240	natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
241	natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
242	natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
243
244
245	/* source address */
246	if (m_saddr == NULL) {
247		printf("no ADDRESS_SRC extension.\n");
248		return;
249	}
250	printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
251	if (natt_type != NULL && natt_sport != NULL)
252		printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
253
254	/* destination address */
255	if (m_daddr == NULL) {
256		printf("\nno ADDRESS_DST extension.\n");
257		return;
258	}
259	printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
260	if (natt_type != NULL && natt_dport != NULL)
261		printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
262
263	/* SA type */
264	if (m_sa == NULL) {
265		printf("\nno SA extension.\n");
266		return;
267	}
268	if (m_sa2 == NULL) {
269		printf("\nno SA2 extension.\n");
270		return;
271	}
272	printf("\n\t");
273
274	if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
275		printf("esp-udp ");
276	else
277		GETMSGSTR(str_satype, m->sadb_msg_satype);
278
279	printf("mode=");
280	GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
281
282	printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
283		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
284		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
285		(u_int32_t)m_sa2->sadb_x_sa2_reqid,
286		(u_int32_t)m_sa2->sadb_x_sa2_reqid);
287
288	/* other NAT-T information */
289	if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
290		printf("\tNAT:");
291		if (natt_oai != NULL)
292			printf(" OAI=%s",
293			    str_ipaddr((struct sockaddr *)(natt_oai + 1)));
294		if (natt_oar != NULL)
295			printf(" OAR=%s",
296			    str_ipaddr((struct sockaddr *)(natt_oar + 1)));
297		printf("\n");
298	}
299
300	/* encryption key */
301	if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
302		printf("\tC: ");
303		GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
304	} else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
305		if (m_enc != NULL) {
306			printf("\tE: ");
307			GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
308			ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
309				      m_enc->sadb_key_bits / 8);
310			printf("\n");
311		}
312	}
313
314	/* authentication key */
315	if (m_auth != NULL) {
316		printf("\tA: ");
317		GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
318		ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
319		              m_auth->sadb_key_bits / 8);
320		printf("\n");
321	}
322
323	/* replay windoe size & flags */
324	printf("\tseq=0x%08x replay=%u flags=0x%08x ",
325		m_sa2->sadb_x_sa2_sequence,
326		m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
327			m_sa->sadb_sa_replay,
328		m_sa->sadb_sa_flags);
329
330	/* state */
331	printf("state=");
332	GETMSGSTR(str_state, m_sa->sadb_sa_state);
333	printf("\n");
334
335	/* lifetime */
336	if (m_lftc != NULL) {
337		time_t tmp_time = time(0);
338
339		printf("\tcreated: %s",
340			str_time(m_lftc->sadb_lifetime_addtime));
341		printf("\tcurrent: %s\n", str_time(tmp_time));
342		printf("\tdiff: %lu(s)",
343			(u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
344			0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
345
346		printf("\thard: %lu(s)",
347			(u_long)(m_lfth == NULL ?
348			0 : m_lfth->sadb_lifetime_addtime));
349		printf("\tsoft: %lu(s)\n",
350			(u_long)(m_lfts == NULL ?
351			0 : m_lfts->sadb_lifetime_addtime));
352
353		printf("\tlast: %s",
354			str_time(m_lftc->sadb_lifetime_usetime));
355		printf("\thard: %lu(s)",
356			(u_long)(m_lfth == NULL ?
357			0 : m_lfth->sadb_lifetime_usetime));
358		printf("\tsoft: %lu(s)\n",
359			(u_long)(m_lfts == NULL ?
360			0 : m_lfts->sadb_lifetime_usetime));
361
362		str_lifetime_byte(m_lftc, "current");
363		str_lifetime_byte(m_lfth, "hard");
364		str_lifetime_byte(m_lfts, "soft");
365		printf("\n");
366
367		printf("\tallocated: %lu",
368			(unsigned long)m_lftc->sadb_lifetime_allocations);
369		printf("\thard: %lu",
370			(u_long)(m_lfth == NULL ?
371			0 : m_lfth->sadb_lifetime_allocations));
372		printf("\tsoft: %lu\n",
373			(u_long)(m_lfts == NULL ?
374			0 : m_lfts->sadb_lifetime_allocations));
375	}
376
377	printf("\tsadb_seq=%lu pid=%lu ",
378		(u_long)m->sadb_msg_seq,
379		(u_long)m->sadb_msg_pid);
380
381	/* XXX DEBUG */
382	printf("refcnt=%u\n", m->sadb_msg_reserved);
383
384	return;
385}
386
387void
388pfkey_spdump(struct sadb_msg *m)
389{
390	char pbuf[NI_MAXSERV];
391	caddr_t mhp[SADB_EXT_MAX + 1];
392	struct sadb_address *m_saddr, *m_daddr;
393	struct sadb_x_policy *m_xpl;
394	struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
395	struct sockaddr *sa;
396	u_int16_t sport = 0, dport = 0;
397
398	/* check pfkey message. */
399	if (pfkey_align(m, mhp)) {
400		printf("%s\n", ipsec_strerror());
401		return;
402	}
403	if (pfkey_check(mhp)) {
404		printf("%s\n", ipsec_strerror());
405		return;
406	}
407
408	m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
409	m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
410	m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
411	m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
412	m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
413
414	if (m_saddr && m_daddr) {
415		/* source address */
416		sa = (struct sockaddr *)(m_saddr + 1);
417		switch (sa->sa_family) {
418		case AF_INET:
419		case AF_INET6:
420			if (getnameinfo(sa, sa->sa_len, NULL, 0,
421			    pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
422				sport = 0;	/*XXX*/
423			else
424				sport = atoi(pbuf);
425			printf("%s%s ", str_ipaddr(sa),
426				str_prefport(sa->sa_family,
427				    m_saddr->sadb_address_prefixlen, sport,
428				    m_saddr->sadb_address_proto));
429			break;
430		default:
431			printf("unknown-af ");
432			break;
433		}
434
435		/* destination address */
436		sa = (struct sockaddr *)(m_daddr + 1);
437		switch (sa->sa_family) {
438		case AF_INET:
439		case AF_INET6:
440			if (getnameinfo(sa, sa->sa_len, NULL, 0,
441			    pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
442				dport = 0;	/*XXX*/
443			else
444				dport = atoi(pbuf);
445			printf("%s%s ", str_ipaddr(sa),
446				str_prefport(sa->sa_family,
447				    m_daddr->sadb_address_prefixlen, dport,
448				    m_saddr->sadb_address_proto));
449			break;
450		default:
451			printf("unknown-af ");
452			break;
453		}
454
455		/* upper layer protocol */
456		if (m_saddr->sadb_address_proto !=
457		    m_daddr->sadb_address_proto) {
458			printf("upper layer protocol mismatched.\n");
459			return;
460		}
461		str_upperspec(m_saddr->sadb_address_proto, sport, dport);
462	}
463	else
464		printf("(no selector, probably per-socket policy) ");
465
466	/* policy */
467    {
468	char *d_xpl;
469
470	if (m_xpl == NULL) {
471		printf("no X_POLICY extension.\n");
472		return;
473	}
474	d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
475
476	/* dump SPD */
477	printf("\n\t%s\n", d_xpl);
478	free(d_xpl);
479    }
480
481	/* lifetime */
482	if (m_lftc) {
483		printf("\tcreated: %s  ",
484			str_time(m_lftc->sadb_lifetime_addtime));
485		printf("lastused: %s\n",
486			str_time(m_lftc->sadb_lifetime_usetime));
487	}
488	if (m_lfth) {
489		printf("\tlifetime: %lu(s) ",
490			(u_long)m_lfth->sadb_lifetime_addtime);
491		printf("validtime: %lu(s)\n",
492			(u_long)m_lfth->sadb_lifetime_usetime);
493	}
494
495
496	printf("\tspid=%ld seq=%ld pid=%ld scope=",
497		(u_long)m_xpl->sadb_x_policy_id,
498		(u_long)m->sadb_msg_seq,
499		(u_long)m->sadb_msg_pid);
500	GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
501	if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
502	    if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
503		printf("ifname=%s", pbuf);
504	printf("\n");
505
506	/* XXX TEST */
507	printf("\trefcnt=%u\n", m->sadb_msg_reserved);
508
509	return;
510}
511
512/*
513 * set "ipaddress" to buffer.
514 */
515static char *
516str_ipaddr(struct sockaddr *sa)
517{
518	static char buf[NI_MAXHOST];
519	const int niflag = NI_NUMERICHOST;
520
521	if (sa == NULL)
522		return "";
523
524	if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
525		return buf;
526	return NULL;
527}
528
529/*
530 * set "/prefix[port number]" to buffer.
531 */
532static char *
533str_prefport(u_int family, u_int pref, u_int port, u_int 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
570static void
571str_upperspec(u_int ulp, u_int p1, u_int p2)
572{
573	if (ulp == IPSEC_ULPROTO_ANY)
574		printf("any");
575	else if (ulp == IPPROTO_ICMPV6) {
576		printf("icmp6");
577		if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
578			printf(" %u,%u", p1, p2);
579	} else {
580		struct protoent *ent;
581
582		switch (ulp) {
583		case IPPROTO_IPV4:
584			printf("ip4");
585			break;
586		default:
587			ent = getprotobynumber(ulp);
588			if (ent)
589				printf("%s", ent->p_name);
590			else
591				printf("%u", ulp);
592
593			endprotoent();
594			break;
595		}
596	}
597}
598
599/*
600 * set "Mon Day Time Year" to buffer
601 */
602static char *
603str_time(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
621static void
622str_lifetime_byte(struct sadb_lifetime *x, char *str)
623{
624	double y;
625	char *unit;
626	int w;
627
628	if (x == NULL) {
629		printf("\t%s: 0(bytes)", str);
630		return;
631	}
632
633#if 0
634	if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
635		y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
636		unit = "M";
637		w = 1;
638	} else if ((x->sadb_lifetime_bytes) / 1024) {
639		y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
640		unit = "K";
641		w = 1;
642	} else {
643		y = (x->sadb_lifetime_bytes) * 1.0;
644		unit = "";
645		w = 0;
646	}
647#else
648	y = (x->sadb_lifetime_bytes) * 1.0;
649	unit = "";
650	w = 0;
651#endif
652	printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
653}
654