xref: /freebsd/lib/libipsec/pfkey_dump.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
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_MD5
61 #define SADB_X_AALG_MD5		SADB_AALG_MD5
62 #endif
63 #ifndef SADB_X_AALG_SHA
64 #define SADB_X_AALG_SHA		SADB_AALG_SHA
65 #endif
66 #ifndef SADB_X_AALG_NULL
67 #define SADB_X_AALG_NULL	SADB_AALG_NULL
68 #endif
69 
70 #ifndef SADB_X_EALG_BLOWFISHCBC
71 #define SADB_X_EALG_BLOWFISHCBC	SADB_EALG_BLOWFISHCBC
72 #endif
73 #ifndef SADB_X_EALG_CAST128CBC
74 #define SADB_X_EALG_CAST128CBC	SADB_EALG_CAST128CBC
75 #endif
76 #ifndef SADB_X_EALG_RC5CBC
77 #ifdef SADB_EALG_RC5CBC
78 #define SADB_X_EALG_RC5CBC	SADB_EALG_RC5CBC
79 #endif
80 #endif
81 
82 #define GETMSGSTR(str, num) \
83 do { \
84 	if (sizeof((str)[0]) == 0 \
85 	 || num >= sizeof(str)/sizeof((str)[0])) \
86 		printf("%u ", (num)); \
87 	else if (strlen((str)[(num)]) == 0) \
88 		printf("%u ", (num)); \
89 	else \
90 		printf("%s ", (str)[(num)]); \
91 } while (0)
92 
93 #define GETMSGV2S(v2s, num) \
94 do { \
95 	struct val2str *p;  \
96 	for (p = (v2s); p && p->str; p++) { \
97 		if (p->val == (num)) \
98 			break; \
99 	} \
100 	if (p && p->str) \
101 		printf("%s ", p->str); \
102 	else \
103 		printf("%u ", (num)); \
104 } while (0)
105 
106 static char *str_ipaddr(struct sockaddr *);
107 static char *str_prefport(u_int, u_int, u_int, u_int);
108 static void str_upperspec(u_int, u_int, u_int);
109 static char *str_time(time_t);
110 static void str_lifetime_byte(struct sadb_lifetime *, char *);
111 
112 struct val2str {
113 	int val;
114 	const char *str;
115 };
116 
117 /*
118  * Must to be re-written about following strings.
119  */
120 static char *str_satype[] = {
121 	"unspec",
122 	"unknown",
123 	"ah",
124 	"esp",
125 	"unknown",
126 	"rsvp",
127 	"ospfv2",
128 	"ripv2",
129 	"mip",
130 	"ipcomp",
131 	"policy",
132 	"tcp"
133 };
134 
135 static char *str_mode[] = {
136 	"any",
137 	"transport",
138 	"tunnel",
139 };
140 
141 static char *str_state[] = {
142 	"larval",
143 	"mature",
144 	"dying",
145 	"dead",
146 };
147 
148 static struct val2str str_alg_auth[] = {
149 	{ SADB_AALG_NONE, "none", },
150 	{ SADB_AALG_MD5HMAC, "hmac-md5", },
151 	{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
152 	{ SADB_X_AALG_MD5, "md5", },
153 	{ SADB_X_AALG_SHA, "sha", },
154 	{ SADB_X_AALG_NULL, "null", },
155 	{ SADB_X_AALG_TCP_MD5, "tcp-md5", },
156 #ifdef SADB_X_AALG_SHA2_256
157 	{ SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
158 #endif
159 #ifdef SADB_X_AALG_SHA2_384
160 	{ SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
161 #endif
162 #ifdef SADB_X_AALG_SHA2_512
163 	{ SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
164 #endif
165 #ifdef SADB_X_AALG_RIPEMD160HMAC
166 	{ SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
167 #endif
168 #ifdef SADB_X_AALG_AES_XCBC_MAC
169 	{ SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
170 #endif
171 	{ -1, NULL, },
172 };
173 
174 static struct val2str str_alg_enc[] = {
175 	{ SADB_EALG_NONE, "none", },
176 	{ SADB_EALG_DESCBC, "des-cbc", },
177 	{ SADB_EALG_3DESCBC, "3des-cbc", },
178 	{ SADB_EALG_NULL, "null", },
179 #ifdef SADB_X_EALG_RC5CBC
180 	{ SADB_X_EALG_RC5CBC, "rc5-cbc", },
181 #endif
182 	{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
183 	{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
184 #ifdef SADB_X_EALG_RIJNDAELCBC
185 	{ SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
186 #endif
187 #ifdef SADB_X_EALG_TWOFISHCBC
188 	{ SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
189 #endif
190 #ifdef SADB_X_EALG_AESCTR
191 	{ SADB_X_EALG_AESCTR, "aes-ctr", },
192 #endif
193 #ifdef SADB_X_EALG_AESGCM16
194 	{ SADB_X_EALG_AESGCM16, "aes-gcm-16", },
195 #endif
196 #ifdef SADB_X_EALG_CAMELLIACBC
197 	{ SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
198 #endif
199 	{ -1, NULL, },
200 };
201 
202 static struct val2str str_alg_comp[] = {
203 	{ SADB_X_CALG_NONE, "none", },
204 	{ SADB_X_CALG_OUI, "oui", },
205 	{ SADB_X_CALG_DEFLATE, "deflate", },
206 	{ SADB_X_CALG_LZS, "lzs", },
207 	{ -1, NULL, },
208 };
209 
210 static struct val2str str_sp_scope[] = {
211 	{ IPSEC_POLICYSCOPE_GLOBAL, "global" },
212 	{ IPSEC_POLICYSCOPE_IFNET, "ifnet" },
213 	{ IPSEC_POLICYSCOPE_PCB, "pcb"},
214 	{ -1, NULL },
215 };
216 
217 /*
218  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
219  */
220 void
221 pfkey_sadump(m)
222 	struct sadb_msg *m;
223 {
224 	caddr_t mhp[SADB_EXT_MAX + 1];
225 	struct sadb_sa *m_sa;
226 	struct sadb_x_sa2 *m_sa2;
227 	struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
228 	struct sadb_address *m_saddr, *m_daddr, *m_paddr;
229 	struct sadb_key *m_auth, *m_enc;
230 	struct sadb_ident *m_sid, *m_did;
231 	struct sadb_sens *m_sens;
232 	struct sadb_x_sa_replay *m_sa_replay;
233 	struct sadb_x_nat_t_type *natt_type;
234 	struct sadb_x_nat_t_port *natt_sport, *natt_dport;
235 	struct sadb_address *natt_oai, *natt_oar;
236 
237 	/* check pfkey message. */
238 	if (pfkey_align(m, mhp)) {
239 		printf("%s\n", ipsec_strerror());
240 		return;
241 	}
242 	if (pfkey_check(mhp)) {
243 		printf("%s\n", ipsec_strerror());
244 		return;
245 	}
246 
247 	m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
248 	m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
249 	m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
250 	m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
251 	m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
252 	m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
253 	m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
254 	m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
255 	m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
256 	m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
257 	m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
258 	m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
259 	m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
260 	m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
261 	natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
262 	natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
263 	natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
264 	natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
265 	natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
266 
267 
268 	/* source address */
269 	if (m_saddr == NULL) {
270 		printf("no ADDRESS_SRC extension.\n");
271 		return;
272 	}
273 	printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
274 	if (natt_type != NULL && natt_sport != NULL)
275 		printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
276 
277 	/* destination address */
278 	if (m_daddr == NULL) {
279 		printf("\nno ADDRESS_DST extension.\n");
280 		return;
281 	}
282 	printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
283 	if (natt_type != NULL && natt_dport != NULL)
284 		printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
285 
286 	/* SA type */
287 	if (m_sa == NULL) {
288 		printf("\nno SA extension.\n");
289 		return;
290 	}
291 	if (m_sa2 == NULL) {
292 		printf("\nno SA2 extension.\n");
293 		return;
294 	}
295 	printf("\n\t");
296 
297 	if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
298 		printf("esp-udp ");
299 	else
300 		GETMSGSTR(str_satype, m->sadb_msg_satype);
301 
302 	printf("mode=");
303 	GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
304 
305 	printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
306 		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
307 		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
308 		(u_int32_t)m_sa2->sadb_x_sa2_reqid,
309 		(u_int32_t)m_sa2->sadb_x_sa2_reqid);
310 
311 	/* other NAT-T information */
312 	if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
313 		printf("\tNAT:");
314 		if (natt_oai != NULL)
315 			printf(" OAI=%s",
316 			    str_ipaddr((struct sockaddr *)(natt_oai + 1)));
317 		if (natt_oar != NULL)
318 			printf(" OAR=%s",
319 			    str_ipaddr((struct sockaddr *)(natt_oar + 1)));
320 		printf("\n");
321 	}
322 
323 	/* encryption key */
324 	if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
325 		printf("\tC: ");
326 		GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
327 	} else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
328 		if (m_enc != NULL) {
329 			printf("\tE: ");
330 			GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
331 			ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
332 				      m_enc->sadb_key_bits / 8);
333 			printf("\n");
334 		}
335 	}
336 
337 	/* authentication key */
338 	if (m_auth != NULL) {
339 		printf("\tA: ");
340 		GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
341 		ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
342 		              m_auth->sadb_key_bits / 8);
343 		printf("\n");
344 	}
345 
346 	/* replay windoe size & flags */
347 	printf("\tseq=0x%08x replay=%u flags=0x%08x ",
348 		m_sa2->sadb_x_sa2_sequence,
349 		m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
350 			m_sa->sadb_sa_replay,
351 		m_sa->sadb_sa_flags);
352 
353 	/* state */
354 	printf("state=");
355 	GETMSGSTR(str_state, m_sa->sadb_sa_state);
356 	printf("\n");
357 
358 	/* lifetime */
359 	if (m_lftc != NULL) {
360 		time_t tmp_time = time(0);
361 
362 		printf("\tcreated: %s",
363 			str_time(m_lftc->sadb_lifetime_addtime));
364 		printf("\tcurrent: %s\n", str_time(tmp_time));
365 		printf("\tdiff: %lu(s)",
366 			(u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
367 			0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
368 
369 		printf("\thard: %lu(s)",
370 			(u_long)(m_lfth == NULL ?
371 			0 : m_lfth->sadb_lifetime_addtime));
372 		printf("\tsoft: %lu(s)\n",
373 			(u_long)(m_lfts == NULL ?
374 			0 : m_lfts->sadb_lifetime_addtime));
375 
376 		printf("\tlast: %s",
377 			str_time(m_lftc->sadb_lifetime_usetime));
378 		printf("\thard: %lu(s)",
379 			(u_long)(m_lfth == NULL ?
380 			0 : m_lfth->sadb_lifetime_usetime));
381 		printf("\tsoft: %lu(s)\n",
382 			(u_long)(m_lfts == NULL ?
383 			0 : m_lfts->sadb_lifetime_usetime));
384 
385 		str_lifetime_byte(m_lftc, "current");
386 		str_lifetime_byte(m_lfth, "hard");
387 		str_lifetime_byte(m_lfts, "soft");
388 		printf("\n");
389 
390 		printf("\tallocated: %lu",
391 			(unsigned long)m_lftc->sadb_lifetime_allocations);
392 		printf("\thard: %lu",
393 			(u_long)(m_lfth == NULL ?
394 			0 : m_lfth->sadb_lifetime_allocations));
395 		printf("\tsoft: %lu\n",
396 			(u_long)(m_lfts == NULL ?
397 			0 : m_lfts->sadb_lifetime_allocations));
398 	}
399 
400 	printf("\tsadb_seq=%lu pid=%lu ",
401 		(u_long)m->sadb_msg_seq,
402 		(u_long)m->sadb_msg_pid);
403 
404 	/* XXX DEBUG */
405 	printf("refcnt=%u\n", m->sadb_msg_reserved);
406 
407 	return;
408 }
409 
410 void
411 pfkey_spdump(struct sadb_msg *m)
412 {
413 	char pbuf[NI_MAXSERV];
414 	caddr_t mhp[SADB_EXT_MAX + 1];
415 	struct sadb_address *m_saddr, *m_daddr;
416 	struct sadb_x_policy *m_xpl;
417 	struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
418 	struct sockaddr *sa;
419 	u_int16_t sport = 0, dport = 0;
420 
421 	/* check pfkey message. */
422 	if (pfkey_align(m, mhp)) {
423 		printf("%s\n", ipsec_strerror());
424 		return;
425 	}
426 	if (pfkey_check(mhp)) {
427 		printf("%s\n", ipsec_strerror());
428 		return;
429 	}
430 
431 	m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
432 	m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
433 	m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
434 	m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
435 	m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
436 
437 	if (m_saddr && m_daddr) {
438 		/* source address */
439 		sa = (struct sockaddr *)(m_saddr + 1);
440 		switch (sa->sa_family) {
441 		case AF_INET:
442 		case AF_INET6:
443 			if (getnameinfo(sa, sa->sa_len, NULL, 0,
444 			    pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
445 				sport = 0;	/*XXX*/
446 			else
447 				sport = atoi(pbuf);
448 			printf("%s%s ", str_ipaddr(sa),
449 				str_prefport(sa->sa_family,
450 				    m_saddr->sadb_address_prefixlen, sport,
451 				    m_saddr->sadb_address_proto));
452 			break;
453 		default:
454 			printf("unknown-af ");
455 			break;
456 		}
457 
458 		/* destination address */
459 		sa = (struct sockaddr *)(m_daddr + 1);
460 		switch (sa->sa_family) {
461 		case AF_INET:
462 		case AF_INET6:
463 			if (getnameinfo(sa, sa->sa_len, NULL, 0,
464 			    pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
465 				dport = 0;	/*XXX*/
466 			else
467 				dport = atoi(pbuf);
468 			printf("%s%s ", str_ipaddr(sa),
469 				str_prefport(sa->sa_family,
470 				    m_daddr->sadb_address_prefixlen, dport,
471 				    m_saddr->sadb_address_proto));
472 			break;
473 		default:
474 			printf("unknown-af ");
475 			break;
476 		}
477 
478 		/* upper layer protocol */
479 		if (m_saddr->sadb_address_proto !=
480 		    m_daddr->sadb_address_proto) {
481 			printf("upper layer protocol mismatched.\n");
482 			return;
483 		}
484 		str_upperspec(m_saddr->sadb_address_proto, sport, dport);
485 	}
486 	else
487 		printf("(no selector, probably per-socket policy) ");
488 
489 	/* policy */
490     {
491 	char *d_xpl;
492 
493 	if (m_xpl == NULL) {
494 		printf("no X_POLICY extension.\n");
495 		return;
496 	}
497 	d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
498 
499 	/* dump SPD */
500 	printf("\n\t%s\n", d_xpl);
501 	free(d_xpl);
502     }
503 
504 	/* lifetime */
505 	if (m_lftc) {
506 		printf("\tcreated: %s  ",
507 			str_time(m_lftc->sadb_lifetime_addtime));
508 		printf("lastused: %s\n",
509 			str_time(m_lftc->sadb_lifetime_usetime));
510 	}
511 	if (m_lfth) {
512 		printf("\tlifetime: %lu(s) ",
513 			(u_long)m_lfth->sadb_lifetime_addtime);
514 		printf("validtime: %lu(s)\n",
515 			(u_long)m_lfth->sadb_lifetime_usetime);
516 	}
517 
518 
519 	printf("\tspid=%ld seq=%ld pid=%ld scope=",
520 		(u_long)m_xpl->sadb_x_policy_id,
521 		(u_long)m->sadb_msg_seq,
522 		(u_long)m->sadb_msg_pid);
523 	GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
524 	if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
525 	    if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
526 		printf("ifname=%s", pbuf);
527 	printf("\n");
528 
529 	/* XXX TEST */
530 	printf("\trefcnt=%u\n", m->sadb_msg_reserved);
531 
532 	return;
533 }
534 
535 /*
536  * set "ipaddress" to buffer.
537  */
538 static char *
539 str_ipaddr(sa)
540 	struct sockaddr *sa;
541 {
542 	static char buf[NI_MAXHOST];
543 	const int niflag = NI_NUMERICHOST;
544 
545 	if (sa == NULL)
546 		return "";
547 
548 	if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
549 		return buf;
550 	return NULL;
551 }
552 
553 /*
554  * set "/prefix[port number]" to buffer.
555  */
556 static char *
557 str_prefport(family, pref, port, ulp)
558 	u_int family, pref, port, ulp;
559 {
560 	static char buf[128];
561 	char prefbuf[128];
562 	char portbuf[128];
563 	int plen;
564 
565 	switch (family) {
566 	case AF_INET:
567 		plen = sizeof(struct in_addr) << 3;
568 		break;
569 	case AF_INET6:
570 		plen = sizeof(struct in6_addr) << 3;
571 		break;
572 	default:
573 		return "?";
574 	}
575 
576 	if (pref == plen)
577 		prefbuf[0] = '\0';
578 	else
579 		snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
580 
581 	if (ulp == IPPROTO_ICMPV6)
582 		memset(portbuf, 0, sizeof(portbuf));
583 	else {
584 		if (port == IPSEC_PORT_ANY)
585 			snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
586 		else
587 			snprintf(portbuf, sizeof(portbuf), "[%u]", port);
588 	}
589 
590 	snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
591 
592 	return buf;
593 }
594 
595 static void
596 str_upperspec(ulp, p1, p2)
597 	u_int ulp, p1, p2;
598 {
599 	if (ulp == IPSEC_ULPROTO_ANY)
600 		printf("any");
601 	else if (ulp == IPPROTO_ICMPV6) {
602 		printf("icmp6");
603 		if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
604 			printf(" %u,%u", p1, p2);
605 	} else {
606 		struct protoent *ent;
607 
608 		switch (ulp) {
609 		case IPPROTO_IPV4:
610 			printf("ip4");
611 			break;
612 		default:
613 			ent = getprotobynumber(ulp);
614 			if (ent)
615 				printf("%s", ent->p_name);
616 			else
617 				printf("%u", ulp);
618 
619 			endprotoent();
620 			break;
621 		}
622 	}
623 }
624 
625 /*
626  * set "Mon Day Time Year" to buffer
627  */
628 static char *
629 str_time(t)
630 	time_t t;
631 {
632 	static char buf[128];
633 
634 	if (t == 0) {
635 		int i = 0;
636 		for (;i < 20;) buf[i++] = ' ';
637 	} else {
638 		char *t0;
639 		t0 = ctime(&t);
640 		memcpy(buf, t0 + 4, 20);
641 	}
642 
643 	buf[20] = '\0';
644 
645 	return(buf);
646 }
647 
648 static void
649 str_lifetime_byte(x, str)
650 	struct sadb_lifetime *x;
651 	char *str;
652 {
653 	double y;
654 	char *unit;
655 	int w;
656 
657 	if (x == NULL) {
658 		printf("\t%s: 0(bytes)", str);
659 		return;
660 	}
661 
662 #if 0
663 	if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
664 		y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
665 		unit = "M";
666 		w = 1;
667 	} else if ((x->sadb_lifetime_bytes) / 1024) {
668 		y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
669 		unit = "K";
670 		w = 1;
671 	} else {
672 		y = (x->sadb_lifetime_bytes) * 1.0;
673 		unit = "";
674 		w = 0;
675 	}
676 #else
677 	y = (x->sadb_lifetime_bytes) * 1.0;
678 	unit = "";
679 	w = 0;
680 #endif
681 	printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
682 }
683