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1 /*	$NetBSD: pfkey_dump.c,v 1.15.6.1 2007/08/01 11:52:18 vanhu Exp $	*/
2 
3 /*	$KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $	*/
4 
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 #ifdef HAVE_CONFIG_H
35 #include "config.h"
36 #endif
37 
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/socket.h>
41 #include PATH_IPSEC_H
42 #include <net/pfkeyv2.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_MD5
59 #define SADB_X_AALG_MD5		SADB_AALG_MD5
60 #endif
61 #ifndef SADB_X_AALG_SHA
62 #define SADB_X_AALG_SHA		SADB_AALG_SHA
63 #endif
64 #ifndef SADB_X_AALG_NULL
65 #define SADB_X_AALG_NULL	SADB_AALG_NULL
66 #endif
67 
68 #ifndef SADB_X_EALG_BLOWFISHCBC
69 #define SADB_X_EALG_BLOWFISHCBC	SADB_EALG_BLOWFISHCBC
70 #endif
71 #ifndef SADB_X_EALG_CAST128CBC
72 #define SADB_X_EALG_CAST128CBC	SADB_EALG_CAST128CBC
73 #endif
74 #ifndef SADB_X_EALG_RC5CBC
75 #ifdef SADB_EALG_RC5CBC
76 #define SADB_X_EALG_RC5CBC	SADB_EALG_RC5CBC
77 #endif
78 #endif
79 #if defined(SADB_X_EALG_AES) && ! defined(SADB_X_EALG_AESCBC)
80 #define SADB_X_EALG_AESCBC  SADB_X_EALG_AES
81 #endif
82 
83 #define GETMSGSTR(str, num) \
84 do { \
85 	/*CONSTCOND*/ \
86 	if (sizeof((str)[0]) == 0 \
87 	 || num >= sizeof(str)/sizeof((str)[0])) \
88 		printf("%u ", (num)); \
89 	else if (strlen((str)[(num)]) == 0) \
90 		printf("%u ", (num)); \
91 	else \
92 		printf("%s ", (str)[(num)]); \
93 } while (/*CONSTCOND*/0)
94 
95 #define GETMSGV2S(v2s, num) \
96 do { \
97 	struct val2str *p;  \
98 	for (p = (v2s); p && p->str; p++) { \
99 		if (p->val == (num)) \
100 			break; \
101 	} \
102 	if (p && p->str) \
103 		printf("%s ", p->str); \
104 	else \
105 		printf("%u ", (num)); \
106 } while (/*CONSTCOND*/0)
107 
108 static char *str_ipaddr __P((struct sockaddr *));
109 static char *str_ipport __P((struct sockaddr *));
110 static char *str_prefport __P((u_int, u_int, u_int, u_int));
111 static void str_upperspec __P((u_int, u_int, u_int));
112 static char *str_time __P((time_t));
113 static void str_lifetime_byte __P((struct sadb_lifetime *, char *));
114 static void pfkey_sadump1(struct sadb_msg *, int);
115 static void pfkey_spdump1(struct sadb_msg *, int);
116 
117 struct val2str {
118 	int val;
119 	const char *str;
120 };
121 
122 /*
123  * Must to be re-written about following strings.
124  */
125 static char *str_satype[] = {
126 	"unspec",
127 	"unknown",
128 	"ah",
129 	"esp",
130 	"unknown",
131 	"rsvp",
132 	"ospfv2",
133 	"ripv2",
134 	"mip",
135 	"ipcomp",
136 	"policy",
137 	"tcp",
138 };
139 
140 static char *str_mode[] = {
141 	"any",
142 	"transport",
143 	"tunnel",
144 };
145 
146 static char *str_state[] = {
147 	"larval",
148 	"mature",
149 	"dying",
150 	"dead",
151 };
152 
153 static struct val2str str_alg_auth[] = {
154 	{ SADB_AALG_NONE, "none", },
155 	{ SADB_AALG_MD5HMAC, "hmac-md5", },
156 	{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
157 	{ SADB_X_AALG_MD5, "md5", },
158 	{ SADB_X_AALG_SHA, "sha", },
159 	{ SADB_X_AALG_NULL, "null", },
160 #ifdef SADB_X_AALG_TCP_MD5
161 	{ SADB_X_AALG_TCP_MD5, "tcp-md5", },
162 #endif
163 #ifdef SADB_X_AALG_SHA2_256
164 	{ SADB_X_AALG_SHA2_256, "hmac-sha256", },
165 #endif
166 #ifdef SADB_X_AALG_SHA2_384
167 	{ SADB_X_AALG_SHA2_384, "hmac-sha384", },
168 #endif
169 #ifdef SADB_X_AALG_SHA2_512
170 	{ SADB_X_AALG_SHA2_512, "hmac-sha512", },
171 #endif
172 #ifdef SADB_X_AALG_RIPEMD160HMAC
173 	{ SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
174 #endif
175 #ifdef SADB_X_AALG_AES_XCBC_MAC
176 	{ SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
177 #endif
178 	{ -1, NULL, },
179 };
180 
181 static struct val2str str_alg_enc[] = {
182 	{ SADB_EALG_NONE, "none", },
183 	{ SADB_EALG_DESCBC, "des-cbc", },
184 	{ SADB_EALG_3DESCBC, "3des-cbc", },
185 	{ SADB_EALG_NULL, "null", },
186 #ifdef SADB_X_EALG_RC5CBC
187 	{ SADB_X_EALG_RC5CBC, "rc5-cbc", },
188 #endif
189 	{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
190 	{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
191 #ifdef SADB_X_EALG_AESCBC
192 	{ SADB_X_EALG_AESCBC, "aes-cbc", },
193 #endif
194 #ifdef SADB_X_EALG_TWOFISHCBC
195 	{ SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
196 #endif
197 #ifdef SADB_X_EALG_AESCTR
198 	{ SADB_X_EALG_AESCTR, "aes-ctr", },
199 #endif
200 #ifdef SADB_X_EALG_CAMELLIACBC
201 	{ SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
202 #endif
203 	{ -1, NULL, },
204 };
205 
206 static struct val2str str_alg_comp[] = {
207 	{ SADB_X_CALG_NONE, "none", },
208 	{ SADB_X_CALG_OUI, "oui", },
209 	{ SADB_X_CALG_DEFLATE, "deflate", },
210 	{ SADB_X_CALG_LZS, "lzs", },
211 	{ -1, NULL, },
212 };
213 
214 /*
215  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
216  */
217 
218 void
pfkey_sadump(m)219 pfkey_sadump(m)
220 	struct sadb_msg *m;
221 {
222 	pfkey_sadump1(m, 0);
223 }
224 
225 void
pfkey_sadump_withports(m)226 pfkey_sadump_withports(m)
227 	struct sadb_msg *m;
228 {
229 	pfkey_sadump1(m, 1);
230 }
231 
232 void
pfkey_sadump1(m,withports)233 pfkey_sadump1(m, withports)
234 	struct sadb_msg *m;
235 	int withports;
236 {
237 	caddr_t mhp[SADB_EXT_MAX + 1];
238 	struct sadb_sa *m_sa;
239 	struct sadb_x_sa2 *m_sa2;
240 	struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
241 	struct sadb_address *m_saddr, *m_daddr;
242 #ifdef notdef
243 	struct sadb_address *m_paddr;
244 #endif
245 	struct sadb_key *m_auth, *m_enc;
246 #ifdef notdef
247 	struct sadb_ident *m_sid, *m_did;
248 	struct sadb_sens *m_sens;
249 #endif
250 #ifdef SADB_X_EXT_SEC_CTX
251 	struct sadb_x_sec_ctx *m_sec_ctx;
252 #endif
253 #ifdef SADB_X_EXT_NAT_T_TYPE
254 	struct sadb_x_nat_t_type *natt_type;
255 	struct sadb_x_nat_t_port *natt_sport, *natt_dport;
256 	struct sadb_address *natt_oa;
257 
258 	int use_natt = 0;
259 #endif
260 	struct sockaddr *sa;
261 
262 	/* check pfkey message. */
263 	if (pfkey_align(m, mhp)) {
264 		printf("%s\n", ipsec_strerror());
265 		return;
266 	}
267 	if (pfkey_check(mhp)) {
268 		printf("%s\n", ipsec_strerror());
269 		return;
270 	}
271 
272 	m_sa = (void *)mhp[SADB_EXT_SA];
273 	m_sa2 = (void *)mhp[SADB_X_EXT_SA2];
274 	m_lftc = (void *)mhp[SADB_EXT_LIFETIME_CURRENT];
275 	m_lfth = (void *)mhp[SADB_EXT_LIFETIME_HARD];
276 	m_lfts = (void *)mhp[SADB_EXT_LIFETIME_SOFT];
277 	m_saddr = (void *)mhp[SADB_EXT_ADDRESS_SRC];
278 	m_daddr = (void *)mhp[SADB_EXT_ADDRESS_DST];
279 #ifdef notdef
280 	m_paddr = (void *)mhp[SADB_EXT_ADDRESS_PROXY];
281 #endif
282 	m_auth = (void *)mhp[SADB_EXT_KEY_AUTH];
283 	m_enc = (void *)mhp[SADB_EXT_KEY_ENCRYPT];
284 #ifdef notdef
285 	m_sid = (void *)mhp[SADB_EXT_IDENTITY_SRC];
286 	m_did = (void *)mhp[SADB_EXT_IDENTITY_DST];
287 	m_sens = (void *)mhp[SADB_EXT_SENSITIVITY];
288 #endif
289 #ifdef SADB_X_EXT_SEC_CTX
290 	m_sec_ctx = (struct sadb_x_sec_ctx *)mhp[SADB_X_EXT_SEC_CTX];
291 #endif
292 #ifdef SADB_X_EXT_NAT_T_TYPE
293 	natt_type = (void *)mhp[SADB_X_EXT_NAT_T_TYPE];
294 	natt_sport = (void *)mhp[SADB_X_EXT_NAT_T_SPORT];
295 	natt_dport = (void *)mhp[SADB_X_EXT_NAT_T_DPORT];
296 	natt_oa = (void *)mhp[SADB_X_EXT_NAT_T_OA];
297 
298 	if (natt_type && natt_type->sadb_x_nat_t_type_type)
299 		use_natt = 1;
300 #endif
301 	/* source address */
302 	if (m_saddr == NULL) {
303 		printf("no ADDRESS_SRC extension.\n");
304 		return;
305 	}
306 	sa = (void *)(m_saddr + 1);
307 	if (withports)
308 		printf("%s[%s]", str_ipaddr(sa), str_ipport(sa));
309 	else
310 		printf("%s", str_ipaddr(sa));
311 #ifdef SADB_X_EXT_NAT_T_TYPE
312 	if (use_natt && natt_sport)
313 		printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
314 #endif
315 	printf(" ");
316 
317 	/* destination address */
318 	if (m_daddr == NULL) {
319 		printf(" no ADDRESS_DST extension.\n");
320 		return;
321 	}
322 	sa = (void *)(m_daddr + 1);
323 	if (withports)
324 		printf("%s[%s]", str_ipaddr(sa), str_ipport(sa));
325 	else
326 		printf("%s", str_ipaddr(sa));
327 #ifdef SADB_X_EXT_NAT_T_TYPE
328 	if (use_natt && natt_dport)
329 		printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
330 #endif
331 	printf(" ");
332 
333 	/* SA type */
334 	if (m_sa == NULL) {
335 		printf("no SA extension.\n");
336 		return;
337 	}
338 	if (m_sa2 == NULL) {
339 		printf("no SA2 extension.\n");
340 		return;
341 	}
342 	printf("\n\t");
343 
344 #ifdef SADB_X_EXT_NAT_T_TYPE
345 	if (use_natt && m->sadb_msg_satype == SADB_SATYPE_ESP)
346 		printf("esp-udp ");
347 	else if (use_natt)
348 		printf("natt+");
349 
350 	if (!use_natt || m->sadb_msg_satype != SADB_SATYPE_ESP)
351 #endif
352 	GETMSGSTR(str_satype, m->sadb_msg_satype);
353 
354 	printf("mode=");
355 	GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
356 
357 	printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
358 		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
359 		(u_int32_t)ntohl(m_sa->sadb_sa_spi),
360 		(u_int32_t)m_sa2->sadb_x_sa2_reqid,
361 		(u_int32_t)m_sa2->sadb_x_sa2_reqid);
362 
363 #ifdef SADB_X_EXT_NAT_T_TYPE
364 	/* other NAT-T information */
365 	if (use_natt && natt_oa)
366 		printf("\tNAT OA=%s\n",
367 		       str_ipaddr((void *)(natt_oa + 1)));
368 #endif
369 
370 	/* encryption key */
371 	if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
372 		printf("\tC: ");
373 		GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
374 	} else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
375 		if (m_enc != NULL) {
376 			printf("\tE: ");
377 			GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
378 			ipsec_hexdump((caddr_t)(void *)m_enc + sizeof(*m_enc),
379 				      m_enc->sadb_key_bits / 8);
380 			printf("\n");
381 		}
382 	}
383 
384 	/* authentication key */
385 	if (m_auth != NULL) {
386 		printf("\tA: ");
387 		GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
388 		ipsec_hexdump((caddr_t)(void *)m_auth + sizeof(*m_auth),
389 		              m_auth->sadb_key_bits / 8);
390 		printf("\n");
391 	}
392 
393 	/* replay windoe size & flags */
394 	printf("\tseq=0x%08x replay=%u flags=0x%08x ",
395 		m_sa2->sadb_x_sa2_sequence,
396 		m_sa->sadb_sa_replay,
397 		m_sa->sadb_sa_flags);
398 
399 	/* state */
400 	printf("state=");
401 	GETMSGSTR(str_state, m_sa->sadb_sa_state);
402 	printf("\n");
403 
404 	/* lifetime */
405 	if (m_lftc != NULL) {
406 		time_t tmp_time = time(0);
407 
408 		printf("\tcreated: %s",
409 			str_time((long)m_lftc->sadb_lifetime_addtime));
410 		printf("\tcurrent: %s\n", str_time(tmp_time));
411 		printf("\tdiff: %lu(s)",
412 			(u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
413 			0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
414 
415 		printf("\thard: %lu(s)",
416 			(u_long)(m_lfth == NULL ?
417 			0 : m_lfth->sadb_lifetime_addtime));
418 		printf("\tsoft: %lu(s)\n",
419 			(u_long)(m_lfts == NULL ?
420 			0 : m_lfts->sadb_lifetime_addtime));
421 
422 		printf("\tlast: %s",
423 			str_time((long)m_lftc->sadb_lifetime_usetime));
424 		printf("\thard: %lu(s)",
425 			(u_long)(m_lfth == NULL ?
426 			0 : m_lfth->sadb_lifetime_usetime));
427 		printf("\tsoft: %lu(s)\n",
428 			(u_long)(m_lfts == NULL ?
429 			0 : m_lfts->sadb_lifetime_usetime));
430 
431 		str_lifetime_byte(m_lftc, "current");
432 		str_lifetime_byte(m_lfth, "hard");
433 		str_lifetime_byte(m_lfts, "soft");
434 		printf("\n");
435 
436 		printf("\tallocated: %lu",
437 			(unsigned long)m_lftc->sadb_lifetime_allocations);
438 		printf("\thard: %lu",
439 			(u_long)(m_lfth == NULL ?
440 			0 : m_lfth->sadb_lifetime_allocations));
441 		printf("\tsoft: %lu\n",
442 			(u_long)(m_lfts == NULL ?
443 			0 : m_lfts->sadb_lifetime_allocations));
444 	}
445 
446 #ifdef SADB_X_EXT_SEC_CTX
447 	if (m_sec_ctx != NULL) {
448 		printf("\tsecurity context doi: %u\n",
449 					m_sec_ctx->sadb_x_ctx_doi);
450 		printf("\tsecurity context algorithm: %u\n",
451 					m_sec_ctx->sadb_x_ctx_alg);
452 		printf("\tsecurity context length: %u\n",
453 					m_sec_ctx->sadb_x_ctx_len);
454 		printf("\tsecurity context: %s\n",
455 			(char *)m_sec_ctx + sizeof(struct sadb_x_sec_ctx));
456 	}
457 #endif
458 
459 	printf("\tsadb_seq=%lu pid=%lu ",
460 		(u_long)m->sadb_msg_seq,
461 		(u_long)m->sadb_msg_pid);
462 
463 	/* XXX DEBUG */
464 	printf("refcnt=%u\n", m->sadb_msg_reserved);
465 
466 	return;
467 }
468 
469 void
pfkey_spdump(m)470 pfkey_spdump(m)
471 	struct sadb_msg *m;
472 {
473 	pfkey_spdump1(m, 0);
474 }
475 
476 void
pfkey_spdump_withports(m)477 pfkey_spdump_withports(m)
478 	struct sadb_msg *m;
479 {
480 	pfkey_spdump1(m, 1);
481 }
482 
483 static void
pfkey_spdump1(m,withports)484 pfkey_spdump1(m, withports)
485 	struct sadb_msg *m;
486 	int withports;
487 {
488 	char pbuf[NI_MAXSERV];
489 	caddr_t mhp[SADB_EXT_MAX + 1];
490 	struct sadb_address *m_saddr, *m_daddr;
491 #ifdef SADB_X_EXT_TAG
492 	struct sadb_x_tag *m_tag;
493 #endif
494 	struct sadb_x_policy *m_xpl;
495 	struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
496 #ifdef SADB_X_EXT_SEC_CTX
497 	struct sadb_x_sec_ctx *m_sec_ctx;
498 #endif
499 	struct sockaddr *sa;
500 	u_int16_t sport = 0, dport = 0;
501 
502 	/* check pfkey message. */
503 	if (pfkey_align(m, mhp)) {
504 		printf("%s\n", ipsec_strerror());
505 		return;
506 	}
507 	if (pfkey_check(mhp)) {
508 		printf("%s\n", ipsec_strerror());
509 		return;
510 	}
511 
512 	m_saddr = (void *)mhp[SADB_EXT_ADDRESS_SRC];
513 	m_daddr = (void *)mhp[SADB_EXT_ADDRESS_DST];
514 #ifdef SADB_X_EXT_TAG
515 	m_tag = (void *)mhp[SADB_X_EXT_TAG];
516 #endif
517 	m_xpl = (void *)mhp[SADB_X_EXT_POLICY];
518 	m_lftc = (void *)mhp[SADB_EXT_LIFETIME_CURRENT];
519 	m_lfth = (void *)mhp[SADB_EXT_LIFETIME_HARD];
520 
521 #ifdef SADB_X_EXT_SEC_CTX
522 	m_sec_ctx = (struct sadb_x_sec_ctx *)mhp[SADB_X_EXT_SEC_CTX];
523 #endif
524 #ifdef __linux__
525 	/* *bsd indicates per-socket policies by omiting src and dst
526 	 * extensions. Linux always includes them, but we can catch it
527 	 * by checkin for policy id.
528 	 */
529 	if (m_xpl->sadb_x_policy_id % 8 >= 3) {
530 		printf("(per-socket policy) ");
531 	} else
532 #endif
533 	if (m_saddr && m_daddr) {
534 		/* source address */
535 		sa = (void *)(m_saddr + 1);
536 		switch (sa->sa_family) {
537 		case AF_INET:
538 		case AF_INET6:
539 			if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL,
540 			    0, pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
541 				sport = 0;	/*XXX*/
542 			else
543 				sport = atoi(pbuf);
544 			printf("%s%s ", str_ipaddr(sa),
545 				str_prefport((u_int)sa->sa_family,
546 				    (u_int)m_saddr->sadb_address_prefixlen,
547 				    (u_int)sport,
548 				    (u_int)m_saddr->sadb_address_proto));
549 			break;
550 		default:
551 			printf("unknown-af ");
552 			break;
553 		}
554 
555 		/* destination address */
556 		sa = (void *)(m_daddr + 1);
557 		switch (sa->sa_family) {
558 		case AF_INET:
559 		case AF_INET6:
560 			if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL,
561 			    0, pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
562 				dport = 0;	/*XXX*/
563 			else
564 				dport = atoi(pbuf);
565 			printf("%s%s ", str_ipaddr(sa),
566 				str_prefport((u_int)sa->sa_family,
567 				    (u_int)m_daddr->sadb_address_prefixlen,
568 				    (u_int)dport,
569 				    (u_int)m_saddr->sadb_address_proto));
570 			break;
571 		default:
572 			printf("unknown-af ");
573 			break;
574 		}
575 
576 		/* upper layer protocol */
577 		if (m_saddr->sadb_address_proto !=
578 		    m_daddr->sadb_address_proto) {
579 			printf("upper layer protocol mismatched.\n");
580 			return;
581 		}
582 		str_upperspec((u_int)m_saddr->sadb_address_proto, (u_int)sport,
583 		    (u_int)dport);
584 	}
585 #ifdef SADB_X_EXT_TAG
586 	else if (m_tag)
587 		printf("tagged \"%s\" ", m_tag->sadb_x_tag_name);
588 #endif
589 	else
590 		printf("(no selector, probably per-socket policy) ");
591 
592 	/* policy */
593     {
594 	char *d_xpl;
595 
596 	if (m_xpl == NULL) {
597 		printf("no X_POLICY extension.\n");
598 		return;
599 	}
600 	if (withports)
601 		d_xpl = ipsec_dump_policy_withports(m_xpl, "\n\t");
602 	else
603 		d_xpl = ipsec_dump_policy((ipsec_policy_t)m_xpl, "\n\t");
604 
605 	if (!d_xpl)
606 		printf("\n\tPolicy:[%s]\n", ipsec_strerror());
607 	else {
608 		/* dump SPD */
609 		printf("\n\t%s\n", d_xpl);
610 		free(d_xpl);
611 	}
612     }
613 
614 	/* lifetime */
615 	if (m_lftc) {
616 		printf("\tcreated: %s  ",
617 			str_time((long)m_lftc->sadb_lifetime_addtime));
618 		printf("lastused: %s\n",
619 			str_time((long)m_lftc->sadb_lifetime_usetime));
620 	}
621 	if (m_lfth) {
622 		printf("\tlifetime: %lu(s) ",
623 			(u_long)m_lfth->sadb_lifetime_addtime);
624 		printf("validtime: %lu(s)\n",
625 			(u_long)m_lfth->sadb_lifetime_usetime);
626 	}
627 
628 #ifdef SADB_X_EXT_SEC_CTX
629 	if (m_sec_ctx != NULL) {
630 		printf("\tsecurity context doi: %u\n",
631 					m_sec_ctx->sadb_x_ctx_doi);
632 		printf("\tsecurity context algorithm: %u\n",
633 					m_sec_ctx->sadb_x_ctx_alg);
634 		printf("\tsecurity context length: %u\n",
635 					m_sec_ctx->sadb_x_ctx_len);
636 		printf("\tsecurity context: %s\n",
637 			(char *)m_sec_ctx + sizeof(struct sadb_x_sec_ctx));
638 	}
639 #endif
640 
641 	printf("\tspid=%ld seq=%ld pid=%ld\n",
642 		(u_long)m_xpl->sadb_x_policy_id,
643 		(u_long)m->sadb_msg_seq,
644 		(u_long)m->sadb_msg_pid);
645 
646 	/* XXX TEST */
647 	printf("\trefcnt=%u\n", m->sadb_msg_reserved);
648 
649 	return;
650 }
651 
652 /*
653  * set "ipaddress" to buffer.
654  */
655 static char *
str_ipaddr(sa)656 str_ipaddr(sa)
657 	struct sockaddr *sa;
658 {
659 	static char buf[NI_MAXHOST];
660 	const int niflag = NI_NUMERICHOST;
661 
662 	if (sa == NULL)
663 		return "";
664 
665 	if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), buf, sizeof(buf),
666 	    NULL, 0, niflag) == 0)
667 		return buf;
668 	return NULL;
669 }
670 
671 /*
672  * set "port" to buffer.
673  */
674 static char *
str_ipport(sa)675 str_ipport(sa)
676 	struct sockaddr *sa;
677 {
678 	static char buf[NI_MAXHOST];
679 	const int niflag = NI_NUMERICSERV;
680 
681 	if (sa == NULL)
682 		return "";
683 
684 	if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL, 0,
685 	    buf, sizeof(buf), niflag) == 0)
686 		return buf;
687 	return NULL;
688 }
689 
690 
691 /*
692  * set "/prefix[port number]" to buffer.
693  */
694 static char *
str_prefport(family,pref,port,ulp)695 str_prefport(family, pref, port, ulp)
696 	u_int family, pref, port, ulp;
697 {
698 	static char buf[128];
699 	char prefbuf[128];
700 	char portbuf[128];
701 	int plen;
702 
703 	switch (family) {
704 	case AF_INET:
705 		plen = sizeof(struct in_addr) << 3;
706 		break;
707 	case AF_INET6:
708 		plen = sizeof(struct in6_addr) << 3;
709 		break;
710 	default:
711 		return "?";
712 	}
713 
714 	if (pref == plen)
715 		prefbuf[0] = '\0';
716 	else
717 		snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
718 
719 	if (ulp == IPPROTO_ICMPV6)
720 		memset(portbuf, 0, sizeof(portbuf));
721 	else {
722 		if (port == IPSEC_PORT_ANY)
723 			snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
724 		else
725 			snprintf(portbuf, sizeof(portbuf), "[%u]", port);
726 	}
727 
728 	snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
729 
730 	return buf;
731 }
732 
733 static void
str_upperspec(ulp,p1,p2)734 str_upperspec(ulp, p1, p2)
735 	u_int ulp, p1, p2;
736 {
737 	if (ulp == IPSEC_ULPROTO_ANY)
738 		printf("any");
739 	else if (ulp == IPPROTO_ICMPV6) {
740 		printf("icmp6");
741 		if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
742 			printf(" %u,%u", p1, p2);
743 	} else {
744 		struct protoent *ent;
745 
746 		switch (ulp) {
747 		case IPPROTO_IPV4:
748 			printf("ip4");
749 			break;
750 		default:
751 			ent = getprotobynumber((int)ulp);
752 			if (ent)
753 				printf("%s", ent->p_name);
754 			else
755 				printf("%u", ulp);
756 
757 			endprotoent();
758 			break;
759 		}
760 	}
761 }
762 
763 /*
764  * set "Mon Day Time Year" to buffer
765  */
766 static char *
str_time(t)767 str_time(t)
768 	time_t t;
769 {
770 	static char buf[128];
771 
772 	if (t == 0) {
773 		int i = 0;
774 		for (;i < 20;) buf[i++] = ' ';
775 	} else {
776 		char *t0;
777 		t0 = ctime(&t);
778 		memcpy(buf, t0 + 4, 20);
779 	}
780 
781 	buf[20] = '\0';
782 
783 	return(buf);
784 }
785 
786 static void
str_lifetime_byte(x,str)787 str_lifetime_byte(x, str)
788 	struct sadb_lifetime *x;
789 	char *str;
790 {
791 	double y;
792 	char *unit;
793 	int w;
794 
795 	if (x == NULL) {
796 		printf("\t%s: 0(bytes)", str);
797 		return;
798 	}
799 
800 #if 0
801 	if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
802 		y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
803 		unit = "M";
804 		w = 1;
805 	} else if ((x->sadb_lifetime_bytes) / 1024) {
806 		y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
807 		unit = "K";
808 		w = 1;
809 	} else {
810 		y = (x->sadb_lifetime_bytes) * 1.0;
811 		unit = "";
812 		w = 0;
813 	}
814 #else
815 	y = (x->sadb_lifetime_bytes) * 1.0;
816 	unit = "";
817 	w = 0;
818 #endif
819 	printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
820 }
821