kernel - Port TCP-MD5 (RFC 2385) implementation.
[dragonfly.git] / lib / libipsec / pfkey_dump.c
CommitLineData
984263bc 1/* $FreeBSD: src/lib/libipsec/pfkey_dump.c,v 1.1.2.4 2003/04/27 00:03:36 sumikawa Exp $ */
064e1fb3 2/* $DragonFly: src/lib/libipsec/pfkey_dump.c,v 1.3 2003/11/12 20:21:30 eirikn Exp $ */
984263bc
MD
3/* $KAME: pfkey_dump.c,v 1.28 2001/06/27 10:46:51 sakane 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#include <sys/types.h>
35#include <sys/param.h>
36#include <sys/socket.h>
37#include <netinet6/ipsec.h>
38#include <net/pfkeyv2.h>
39#include <netkey/key_var.h>
40#include <netkey/key_debug.h>
41
42#include <netinet/in.h>
43#include <netinet6/ipsec.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_MD5
58#define SADB_X_AALG_MD5 SADB_AALG_MD5
59#endif
60#ifndef SADB_X_AALG_SHA
61#define SADB_X_AALG_SHA SADB_AALG_SHA
62#endif
63#ifndef SADB_X_AALG_NULL
64#define SADB_X_AALG_NULL SADB_AALG_NULL
65#endif
66
67#ifndef SADB_X_EALG_BLOWFISHCBC
68#define SADB_X_EALG_BLOWFISHCBC SADB_EALG_BLOWFISHCBC
69#endif
70#ifndef SADB_X_EALG_CAST128CBC
71#define SADB_X_EALG_CAST128CBC SADB_EALG_CAST128CBC
72#endif
73#ifndef SADB_X_EALG_RC5CBC
74#ifdef SADB_EALG_RC5CBC
75#define SADB_X_EALG_RC5CBC SADB_EALG_RC5CBC
76#endif
77#endif
78
79#define GETMSGSTR(str, num) \
80do { \
81 if (sizeof((str)[0]) == 0 \
82 || num >= sizeof(str)/sizeof((str)[0])) \
83 printf("%d ", (num)); \
84 else if (strlen((str)[(num)]) == 0) \
85 printf("%d ", (num)); \
86 else \
87 printf("%s ", (str)[(num)]); \
88} while (0)
89
90#define GETMSGV2S(v2s, num) \
91do { \
92 struct val2str *p; \
93 for (p = (v2s); p && p->str; p++) { \
94 if (p->val == (num)) \
95 break; \
96 } \
97 if (p && p->str) \
98 printf("%s ", p->str); \
99 else \
100 printf("%d ", (num)); \
101} while (0)
102
064e1fb3
EN
103static char *str_ipaddr (struct sockaddr *);
104static char *str_prefport (u_int, u_int, u_int);
105static char *str_time (time_t);
106static void str_lifetime_byte (struct sadb_lifetime *, char *);
984263bc
MD
107
108struct val2str {
109 int val;
110 const char *str;
111};
112
113/*
114 * Must to be re-written about following strings.
115 */
116static char *str_satype[] = {
117 "unspec",
118 "unknown",
119 "ah",
120 "esp",
121 "unknown",
122 "rsvp",
123 "ospfv2",
124 "ripv2",
125 "mip",
126 "ipcomp",
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", },
165#ifdef SADB_X_AALG_SHA2_256
166 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
167#endif
168#ifdef SADB_X_AALG_SHA2_384
169 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
170#endif
171#ifdef SADB_X_AALG_SHA2_512
172 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
173#endif
174 { -1, NULL, },
175};
176
177static struct val2str str_alg_enc[] = {
178 { SADB_EALG_NONE, "none", },
179 { SADB_EALG_DESCBC, "des-cbc", },
180 { SADB_EALG_3DESCBC, "3des-cbc", },
181 { SADB_EALG_NULL, "null", },
182#ifdef SADB_X_EALG_RC5CBC
183 { SADB_X_EALG_RC5CBC, "rc5-cbc", },
184#endif
185 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
186 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
187#ifdef SADB_X_EALG_RIJNDAELCBC
188 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
189#endif
190#ifdef SADB_X_EALG_TWOFISHCBC
191 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
192#endif
193 { -1, NULL, },
194};
195
196static struct val2str str_alg_comp[] = {
197 { SADB_X_CALG_NONE, "none", },
198 { SADB_X_CALG_OUI, "oui", },
199 { SADB_X_CALG_DEFLATE, "deflate", },
200 { SADB_X_CALG_LZS, "lzs", },
201 { -1, NULL, },
202};
203
204/*
205 * dump SADB_MSG formated. For debugging, you should use kdebug_sadb().
206 */
207void
208pfkey_sadump(m)
209 struct sadb_msg *m;
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;
215 struct sadb_address *m_saddr, *m_daddr, *m_paddr;
216 struct sadb_key *m_auth, *m_enc;
217 struct sadb_ident *m_sid, *m_did;
218 struct sadb_sens *m_sens;
219
220 /* check pfkey message. */
221 if (pfkey_align(m, mhp)) {
222 printf("%s\n", ipsec_strerror());
223 return;
224 }
225 if (pfkey_check(mhp)) {
226 printf("%s\n", ipsec_strerror());
227 return;
228 }
229
230 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
231 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
232 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
233 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
234 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
235 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
236 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
237 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
238 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
239 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
240 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
241 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
242 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
243
244 /* source address */
245 if (m_saddr == NULL) {
246 printf("no ADDRESS_SRC extension.\n");
247 return;
248 }
249 printf("%s ", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
250
251 /* destination address */
252 if (m_daddr == NULL) {
253 printf("no ADDRESS_DST extension.\n");
254 return;
255 }
256 printf("%s ", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
257
258 /* SA type */
259 if (m_sa == NULL) {
260 printf("no SA extension.\n");
261 return;
262 }
263 if (m_sa2 == NULL) {
264 printf("no SA2 extension.\n");
265 return;
266 }
267 printf("\n\t");
268
269 GETMSGSTR(str_satype, m->sadb_msg_satype);
270
271 printf("mode=");
272 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
273
274 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
275 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
276 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
277 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
278 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
279
280 /* encryption key */
281 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
282 printf("\tC: ");
283 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
284 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
285 if (m_enc != NULL) {
286 printf("\tE: ");
287 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
288 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
289 m_enc->sadb_key_bits / 8);
290 printf("\n");
291 }
292 }
293
294 /* authentication key */
295 if (m_auth != NULL) {
296 printf("\tA: ");
297 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
298 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
299 m_auth->sadb_key_bits / 8);
300 printf("\n");
301 }
302
303 /* replay windoe size & flags */
304 printf("\tseq=0x%08x replay=%u flags=0x%08x ",
305 m_sa2->sadb_x_sa2_sequence,
306 m_sa->sadb_sa_replay,
307 m_sa->sadb_sa_flags);
308
309 /* state */
310 printf("state=");
311 GETMSGSTR(str_state, m_sa->sadb_sa_state);
312 printf("\n");
313
314 /* lifetime */
315 if (m_lftc != NULL) {
316 time_t tmp_time = time(0);
317
318 printf("\tcreated: %s",
319 str_time(m_lftc->sadb_lifetime_addtime));
320 printf("\tcurrent: %s\n", str_time(tmp_time));
321 printf("\tdiff: %lu(s)",
322 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
323 0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
324
325 printf("\thard: %lu(s)",
326 (u_long)(m_lfth == NULL ?
327 0 : m_lfth->sadb_lifetime_addtime));
328 printf("\tsoft: %lu(s)\n",
329 (u_long)(m_lfts == NULL ?
330 0 : m_lfts->sadb_lifetime_addtime));
331
332 printf("\tlast: %s",
333 str_time(m_lftc->sadb_lifetime_usetime));
334 printf("\thard: %lu(s)",
335 (u_long)(m_lfth == NULL ?
336 0 : m_lfth->sadb_lifetime_usetime));
337 printf("\tsoft: %lu(s)\n",
338 (u_long)(m_lfts == NULL ?
339 0 : m_lfts->sadb_lifetime_usetime));
340
341 str_lifetime_byte(m_lftc, "current");
342 str_lifetime_byte(m_lfth, "hard");
343 str_lifetime_byte(m_lfts, "soft");
344 printf("\n");
345
346 printf("\tallocated: %lu",
347 (unsigned long)m_lftc->sadb_lifetime_allocations);
348 printf("\thard: %lu",
349 (u_long)(m_lfth == NULL ?
350 0 : m_lfth->sadb_lifetime_allocations));
351 printf("\tsoft: %lu\n",
352 (u_long)(m_lfts == NULL ?
353 0 : m_lfts->sadb_lifetime_allocations));
354 }
355
356 printf("\tsadb_seq=%lu pid=%lu ",
357 (u_long)m->sadb_msg_seq,
358 (u_long)m->sadb_msg_pid);
359
360 /* XXX DEBUG */
361 printf("refcnt=%u\n", m->sadb_msg_reserved);
362
363 return;
364}
365
366void
367pfkey_spdump(m)
368 struct sadb_msg *m;
369{
370 char pbuf[NI_MAXSERV];
371 caddr_t mhp[SADB_EXT_MAX + 1];
372 struct sadb_address *m_saddr, *m_daddr;
373 struct sadb_x_policy *m_xpl;
374 struct sadb_lifetime *m_lft = NULL;
375 struct sockaddr *sa;
376 u_int16_t port;
377
378 /* check pfkey message. */
379 if (pfkey_align(m, mhp)) {
380 printf("%s\n", ipsec_strerror());
381 return;
382 }
383 if (pfkey_check(mhp)) {
384 printf("%s\n", ipsec_strerror());
385 return;
386 }
387
388 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
389 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
390 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
391 m_lft = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
392
393 /* source address */
394 if (m_saddr == NULL) {
395 printf("no ADDRESS_SRC extension.\n");
396 return;
397 }
398 sa = (struct sockaddr *)(m_saddr + 1);
399 switch (sa->sa_family) {
400 case AF_INET:
401 case AF_INET6:
402 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
403 NI_NUMERICSERV) != 0)
404 port = 0; /*XXX*/
405 else
406 port = atoi(pbuf);
407 printf("%s%s ", str_ipaddr(sa),
408 str_prefport(sa->sa_family,
409 m_saddr->sadb_address_prefixlen, port));
410 break;
411 default:
412 printf("unknown-af ");
413 break;
414 }
415
416 /* destination address */
417 if (m_daddr == NULL) {
418 printf("no ADDRESS_DST extension.\n");
419 return;
420 }
421 sa = (struct sockaddr *)(m_daddr + 1);
422 switch (sa->sa_family) {
423 case AF_INET:
424 case AF_INET6:
425 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
426 NI_NUMERICSERV) != 0)
427 port = 0; /*XXX*/
428 else
429 port = atoi(pbuf);
430 printf("%s%s ", str_ipaddr(sa),
431 str_prefport(sa->sa_family,
432 m_daddr->sadb_address_prefixlen, port));
433 break;
434 default:
435 printf("unknown-af ");
436 break;
437 }
438
439 /* upper layer protocol */
440 if (m_saddr->sadb_address_proto != m_daddr->sadb_address_proto) {
441 printf("upper layer protocol mismatched.\n");
442 return;
443 }
444 if (m_saddr->sadb_address_proto == IPSEC_ULPROTO_ANY)
445 printf("any");
446 else
447 GETMSGSTR(str_upper, m_saddr->sadb_address_proto);
448
449 /* policy */
450 {
451 char *d_xpl;
452
453 if (m_xpl == NULL) {
454 printf("no X_POLICY extension.\n");
455 return;
456 }
457 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
458
459 /* dump SPD */
460 printf("\n\t%s\n", d_xpl);
461 free(d_xpl);
462 }
463
464 /* lifetime */
465 if (m_lft) {
466 printf("\tlifetime:%lu validtime:%lu\n",
467 (u_long)m_lft->sadb_lifetime_addtime,
468 (u_long)m_lft->sadb_lifetime_usetime);
469 }
470
471 printf("\tspid=%ld seq=%ld pid=%ld\n",
472 (u_long)m_xpl->sadb_x_policy_id,
473 (u_long)m->sadb_msg_seq,
474 (u_long)m->sadb_msg_pid);
475
476 /* XXX TEST */
477 printf("\trefcnt=%u\n", m->sadb_msg_reserved);
478
479 return;
480}
481
482/*
483 * set "ipaddress" to buffer.
484 */
485static char *
486str_ipaddr(sa)
487 struct sockaddr *sa;
488{
489 static char buf[NI_MAXHOST];
490#ifdef NI_WITHSCOPEID
491 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
492#else
493 const int niflag = NI_NUMERICHOST;
494#endif
495
496 if (sa == NULL)
497 return "";
498
499 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
500 return buf;
501 return NULL;
502}
503
504/*
505 * set "/prefix[port number]" to buffer.
506 */
507static char *
508str_prefport(family, pref, port)
509 u_int family, pref, port;
510{
511 static char buf[128];
512 char prefbuf[128];
513 char portbuf[128];
514 int plen;
515
516 switch (family) {
517 case AF_INET:
518 plen = sizeof(struct in_addr) << 3;
519 break;
520 case AF_INET6:
521 plen = sizeof(struct in6_addr) << 3;
522 break;
523 default:
524 return "?";
525 }
526
527 if (pref == plen)
528 prefbuf[0] = '\0';
529 else
530 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
531
532 if (port == IPSEC_PORT_ANY)
533 snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
534 else
535 snprintf(portbuf, sizeof(portbuf), "[%u]", port);
536
537 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
538
539 return buf;
540}
541
542/*
543 * set "Mon Day Time Year" to buffer
544 */
545static char *
546str_time(t)
547 time_t t;
548{
549 static char buf[128];
550
551 if (t == 0) {
552 int i = 0;
553 for (;i < 20;) buf[i++] = ' ';
554 } else {
555 char *t0;
556 t0 = ctime(&t);
557 memcpy(buf, t0 + 4, 20);
558 }
559
560 buf[20] = '\0';
561
562 return(buf);
563}
564
565static void
566str_lifetime_byte(x, str)
567 struct sadb_lifetime *x;
568 char *str;
569{
570 double y;
571 char *unit;
572 int w;
573
574 if (x == NULL) {
575 printf("\t%s: 0(bytes)", str);
576 return;
577 }
578
579#if 0
580 if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
581 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
582 unit = "M";
583 w = 1;
584 } else if ((x->sadb_lifetime_bytes) / 1024) {
585 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
586 unit = "K";
587 w = 1;
588 } else {
589 y = (x->sadb_lifetime_bytes) * 1.0;
590 unit = "";
591 w = 0;
592 }
593#else
594 y = (x->sadb_lifetime_bytes) * 1.0;
595 unit = "";
596 w = 0;
597#endif
598 printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
599}