hammer2 - Messaging layer separation work part 5
[dragonfly.git] / lib / libipsec / pfkey_dump.c
CommitLineData
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1/* $FreeBSD: src/lib/libipsec/pfkey_dump.c,v 1.1.2.4 2003/04/27 00:03:36 sumikawa Exp $ */
2/* $KAME: pfkey_dump.c,v 1.28 2001/06/27 10:46:51 sakane Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/types.h>
34#include <sys/param.h>
35#include <sys/socket.h>
36#include <netinet6/ipsec.h>
37#include <net/pfkeyv2.h>
38#include <netkey/key_var.h>
39#include <netkey/key_debug.h>
40
41#include <netinet/in.h>
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42#include <arpa/inet.h>
43
44#include <stdlib.h>
45#include <unistd.h>
46#include <stdio.h>
47#include <string.h>
48#include <time.h>
49#include <netdb.h>
50
51#include "ipsec_strerror.h"
52#include "libpfkey.h"
53
54/* cope with old kame headers - ugly */
55#ifndef SADB_X_AALG_MD5
56#define SADB_X_AALG_MD5 SADB_AALG_MD5
57#endif
58#ifndef SADB_X_AALG_SHA
59#define SADB_X_AALG_SHA SADB_AALG_SHA
60#endif
61#ifndef SADB_X_AALG_NULL
62#define SADB_X_AALG_NULL SADB_AALG_NULL
63#endif
64
65#ifndef SADB_X_EALG_BLOWFISHCBC
66#define SADB_X_EALG_BLOWFISHCBC SADB_EALG_BLOWFISHCBC
67#endif
68#ifndef SADB_X_EALG_CAST128CBC
69#define SADB_X_EALG_CAST128CBC SADB_EALG_CAST128CBC
70#endif
71#ifndef SADB_X_EALG_RC5CBC
72#ifdef SADB_EALG_RC5CBC
73#define SADB_X_EALG_RC5CBC SADB_EALG_RC5CBC
74#endif
75#endif
76
77#define GETMSGSTR(str, num) \
78do { \
79 if (sizeof((str)[0]) == 0 \
80 || num >= sizeof(str)/sizeof((str)[0])) \
81 printf("%d ", (num)); \
82 else if (strlen((str)[(num)]) == 0) \
83 printf("%d ", (num)); \
84 else \
85 printf("%s ", (str)[(num)]); \
86} while (0)
87
88#define GETMSGV2S(v2s, num) \
89do { \
90 struct val2str *p; \
91 for (p = (v2s); p && p->str; p++) { \
92 if (p->val == (num)) \
93 break; \
94 } \
95 if (p && p->str) \
96 printf("%s ", p->str); \
97 else \
98 printf("%d ", (num)); \
99} while (0)
100
064e1fb3
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101static char *str_ipaddr (struct sockaddr *);
102static char *str_prefport (u_int, u_int, u_int);
103static char *str_time (time_t);
104static void str_lifetime_byte (struct sadb_lifetime *, char *);
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105
106struct val2str {
107 int val;
108 const char *str;
109};
110
111/*
112 * Must to be re-written about following strings.
113 */
114static char *str_satype[] = {
115 "unspec",
116 "unknown",
117 "ah",
118 "esp",
119 "unknown",
120 "rsvp",
121 "ospfv2",
122 "ripv2",
123 "mip",
124 "ipcomp",
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125 "policy",
126 "tcp",
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127};
128
129static char *str_mode[] = {
130 "any",
131 "transport",
132 "tunnel",
133};
134
135static char *str_upper[] = {
136/*0*/ "ip", "icmp", "igmp", "ggp", "ip4",
137 "", "tcp", "", "egp", "",
138/*10*/ "", "", "", "", "",
139 "", "", "udp", "", "",
140/*20*/ "", "", "idp", "", "",
141 "", "", "", "", "tp",
142/*30*/ "", "", "", "", "",
143 "", "", "", "", "",
144/*40*/ "", "ip6", "", "rt6", "frag6",
145 "", "rsvp", "gre", "", "",
146/*50*/ "esp", "ah", "", "", "",
147 "", "", "", "icmp6", "none",
148/*60*/ "dst6",
149};
150
151static char *str_state[] = {
152 "larval",
153 "mature",
154 "dying",
155 "dead",
156};
157
158static struct val2str str_alg_auth[] = {
159 { SADB_AALG_NONE, "none", },
160 { SADB_AALG_MD5HMAC, "hmac-md5", },
161 { SADB_AALG_SHA1HMAC, "hmac-sha1", },
162 { SADB_X_AALG_MD5, "md5", },
163 { SADB_X_AALG_SHA, "sha", },
164 { SADB_X_AALG_NULL, "null", },
51006084 165 { SADB_X_AALG_TCP_MD5, "tcp-md5", },
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166#ifdef SADB_X_AALG_SHA2_256
167 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
168#endif
169#ifdef SADB_X_AALG_SHA2_384
170 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
171#endif
172#ifdef SADB_X_AALG_SHA2_512
173 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
174#endif
175 { -1, NULL, },
176};
177
178static struct val2str str_alg_enc[] = {
179 { SADB_EALG_NONE, "none", },
180 { SADB_EALG_DESCBC, "des-cbc", },
181 { SADB_EALG_3DESCBC, "3des-cbc", },
182 { SADB_EALG_NULL, "null", },
183#ifdef SADB_X_EALG_RC5CBC
184 { SADB_X_EALG_RC5CBC, "rc5-cbc", },
185#endif
186 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
187 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
188#ifdef SADB_X_EALG_RIJNDAELCBC
189 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
190#endif
191#ifdef SADB_X_EALG_TWOFISHCBC
192 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
193#endif
194 { -1, NULL, },
195};
196
197static struct val2str str_alg_comp[] = {
198 { SADB_X_CALG_NONE, "none", },
199 { SADB_X_CALG_OUI, "oui", },
200 { SADB_X_CALG_DEFLATE, "deflate", },
201 { SADB_X_CALG_LZS, "lzs", },
202 { -1, NULL, },
203};
204
205/*
206 * dump SADB_MSG formated. For debugging, you should use kdebug_sadb().
207 */
208void
89a89091 209pfkey_sadump(struct sadb_msg *m)
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210{
211 caddr_t mhp[SADB_EXT_MAX + 1];
212 struct sadb_sa *m_sa;
213 struct sadb_x_sa2 *m_sa2;
214 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
77b0c609 215 struct sadb_address *m_saddr, *m_daddr;
984263bc 216 struct sadb_key *m_auth, *m_enc;
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217
218 /* check pfkey message. */
219 if (pfkey_align(m, mhp)) {
220 printf("%s\n", ipsec_strerror());
221 return;
222 }
223 if (pfkey_check(mhp)) {
224 printf("%s\n", ipsec_strerror());
225 return;
226 }
227
228 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
229 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
230 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
231 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
232 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
233 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
234 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
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235 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
236 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
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237
238 /* source address */
239 if (m_saddr == NULL) {
240 printf("no ADDRESS_SRC extension.\n");
241 return;
242 }
243 printf("%s ", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
244
245 /* destination address */
246 if (m_daddr == NULL) {
247 printf("no ADDRESS_DST extension.\n");
248 return;
249 }
250 printf("%s ", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
251
252 /* SA type */
253 if (m_sa == NULL) {
254 printf("no SA extension.\n");
255 return;
256 }
257 if (m_sa2 == NULL) {
258 printf("no SA2 extension.\n");
259 return;
260 }
261 printf("\n\t");
262
263 GETMSGSTR(str_satype, m->sadb_msg_satype);
264
265 printf("mode=");
266 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
267
268 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
269 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
270 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
271 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
272 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
273
274 /* encryption key */
275 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
276 printf("\tC: ");
277 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
278 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
279 if (m_enc != NULL) {
280 printf("\tE: ");
281 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
282 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
283 m_enc->sadb_key_bits / 8);
284 printf("\n");
285 }
286 }
287
288 /* authentication key */
289 if (m_auth != NULL) {
290 printf("\tA: ");
291 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
292 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
293 m_auth->sadb_key_bits / 8);
294 printf("\n");
295 }
296
297 /* replay windoe size & flags */
298 printf("\tseq=0x%08x replay=%u flags=0x%08x ",
299 m_sa2->sadb_x_sa2_sequence,
300 m_sa->sadb_sa_replay,
301 m_sa->sadb_sa_flags);
302
303 /* state */
304 printf("state=");
305 GETMSGSTR(str_state, m_sa->sadb_sa_state);
306 printf("\n");
307
308 /* lifetime */
309 if (m_lftc != NULL) {
310 time_t tmp_time = time(0);
311
312 printf("\tcreated: %s",
313 str_time(m_lftc->sadb_lifetime_addtime));
314 printf("\tcurrent: %s\n", str_time(tmp_time));
315 printf("\tdiff: %lu(s)",
316 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
317 0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
318
319 printf("\thard: %lu(s)",
320 (u_long)(m_lfth == NULL ?
321 0 : m_lfth->sadb_lifetime_addtime));
322 printf("\tsoft: %lu(s)\n",
323 (u_long)(m_lfts == NULL ?
324 0 : m_lfts->sadb_lifetime_addtime));
325
326 printf("\tlast: %s",
327 str_time(m_lftc->sadb_lifetime_usetime));
328 printf("\thard: %lu(s)",
329 (u_long)(m_lfth == NULL ?
330 0 : m_lfth->sadb_lifetime_usetime));
331 printf("\tsoft: %lu(s)\n",
332 (u_long)(m_lfts == NULL ?
333 0 : m_lfts->sadb_lifetime_usetime));
334
335 str_lifetime_byte(m_lftc, "current");
336 str_lifetime_byte(m_lfth, "hard");
337 str_lifetime_byte(m_lfts, "soft");
338 printf("\n");
339
340 printf("\tallocated: %lu",
341 (unsigned long)m_lftc->sadb_lifetime_allocations);
342 printf("\thard: %lu",
343 (u_long)(m_lfth == NULL ?
344 0 : m_lfth->sadb_lifetime_allocations));
345 printf("\tsoft: %lu\n",
346 (u_long)(m_lfts == NULL ?
347 0 : m_lfts->sadb_lifetime_allocations));
348 }
349
350 printf("\tsadb_seq=%lu pid=%lu ",
351 (u_long)m->sadb_msg_seq,
352 (u_long)m->sadb_msg_pid);
353
354 /* XXX DEBUG */
355 printf("refcnt=%u\n", m->sadb_msg_reserved);
356
357 return;
358}
359
360void
89a89091 361pfkey_spdump(struct sadb_msg *m)
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362{
363 char pbuf[NI_MAXSERV];
364 caddr_t mhp[SADB_EXT_MAX + 1];
365 struct sadb_address *m_saddr, *m_daddr;
366 struct sadb_x_policy *m_xpl;
367 struct sadb_lifetime *m_lft = NULL;
368 struct sockaddr *sa;
369 u_int16_t port;
370
371 /* check pfkey message. */
372 if (pfkey_align(m, mhp)) {
373 printf("%s\n", ipsec_strerror());
374 return;
375 }
376 if (pfkey_check(mhp)) {
377 printf("%s\n", ipsec_strerror());
378 return;
379 }
380
381 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
382 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
383 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
384 m_lft = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
385
386 /* source address */
387 if (m_saddr == NULL) {
388 printf("no ADDRESS_SRC extension.\n");
389 return;
390 }
391 sa = (struct sockaddr *)(m_saddr + 1);
392 switch (sa->sa_family) {
393 case AF_INET:
394 case AF_INET6:
395 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
396 NI_NUMERICSERV) != 0)
397 port = 0; /*XXX*/
398 else
399 port = atoi(pbuf);
400 printf("%s%s ", str_ipaddr(sa),
401 str_prefport(sa->sa_family,
402 m_saddr->sadb_address_prefixlen, port));
403 break;
404 default:
405 printf("unknown-af ");
406 break;
407 }
408
409 /* destination address */
410 if (m_daddr == NULL) {
411 printf("no ADDRESS_DST extension.\n");
412 return;
413 }
414 sa = (struct sockaddr *)(m_daddr + 1);
415 switch (sa->sa_family) {
416 case AF_INET:
417 case AF_INET6:
418 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
419 NI_NUMERICSERV) != 0)
420 port = 0; /*XXX*/
421 else
422 port = atoi(pbuf);
423 printf("%s%s ", str_ipaddr(sa),
424 str_prefport(sa->sa_family,
425 m_daddr->sadb_address_prefixlen, port));
426 break;
427 default:
428 printf("unknown-af ");
429 break;
430 }
431
432 /* upper layer protocol */
433 if (m_saddr->sadb_address_proto != m_daddr->sadb_address_proto) {
434 printf("upper layer protocol mismatched.\n");
435 return;
436 }
437 if (m_saddr->sadb_address_proto == IPSEC_ULPROTO_ANY)
438 printf("any");
439 else
440 GETMSGSTR(str_upper, m_saddr->sadb_address_proto);
441
442 /* policy */
443 {
444 char *d_xpl;
445
446 if (m_xpl == NULL) {
447 printf("no X_POLICY extension.\n");
448 return;
449 }
450 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
451
452 /* dump SPD */
453 printf("\n\t%s\n", d_xpl);
454 free(d_xpl);
455 }
456
457 /* lifetime */
458 if (m_lft) {
459 printf("\tlifetime:%lu validtime:%lu\n",
460 (u_long)m_lft->sadb_lifetime_addtime,
461 (u_long)m_lft->sadb_lifetime_usetime);
462 }
463
464 printf("\tspid=%ld seq=%ld pid=%ld\n",
465 (u_long)m_xpl->sadb_x_policy_id,
466 (u_long)m->sadb_msg_seq,
467 (u_long)m->sadb_msg_pid);
468
469 /* XXX TEST */
470 printf("\trefcnt=%u\n", m->sadb_msg_reserved);
471
472 return;
473}
474
475/*
476 * set "ipaddress" to buffer.
477 */
478static char *
89a89091 479str_ipaddr(struct sockaddr *sa)
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480{
481 static char buf[NI_MAXHOST];
482#ifdef NI_WITHSCOPEID
483 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
484#else
485 const int niflag = NI_NUMERICHOST;
486#endif
487
488 if (sa == NULL)
489 return "";
490
491 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
492 return buf;
493 return NULL;
494}
495
496/*
497 * set "/prefix[port number]" to buffer.
498 */
499static char *
89a89091 500str_prefport(u_int family, u_int pref, u_int port)
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501{
502 static char buf[128];
503 char prefbuf[128];
504 char portbuf[128];
505 int plen;
506
507 switch (family) {
508 case AF_INET:
509 plen = sizeof(struct in_addr) << 3;
510 break;
511 case AF_INET6:
512 plen = sizeof(struct in6_addr) << 3;
513 break;
514 default:
515 return "?";
516 }
517
518 if (pref == plen)
519 prefbuf[0] = '\0';
520 else
521 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
522
523 if (port == IPSEC_PORT_ANY)
524 snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
525 else
526 snprintf(portbuf, sizeof(portbuf), "[%u]", port);
527
528 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
529
530 return buf;
531}
532
533/*
534 * set "Mon Day Time Year" to buffer
535 */
536static char *
89a89091 537str_time(time_t t)
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538{
539 static char buf[128];
540
541 if (t == 0) {
542 int i = 0;
543 for (;i < 20;) buf[i++] = ' ';
544 } else {
545 char *t0;
546 t0 = ctime(&t);
547 memcpy(buf, t0 + 4, 20);
548 }
549
550 buf[20] = '\0';
551
552 return(buf);
553}
554
555static void
89a89091 556str_lifetime_byte(struct sadb_lifetime *x, char *str)
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557{
558 double y;
559 char *unit;
560 int w;
561
562 if (x == NULL) {
563 printf("\t%s: 0(bytes)", str);
564 return;
565 }
566
567#if 0
568 if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
569 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
570 unit = "M";
571 w = 1;
572 } else if ((x->sadb_lifetime_bytes) / 1024) {
573 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
574 unit = "K";
575 w = 1;
576 } else {
577 y = (x->sadb_lifetime_bytes) * 1.0;
578 unit = "";
579 w = 0;
580 }
581#else
582 y = (x->sadb_lifetime_bytes) * 1.0;
583 unit = "";
584 w = 0;
585#endif
586 printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
587}