userland - 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",
51006084
MD
127 "policy",
128 "tcp",
984263bc
MD
129};
130
131static char *str_mode[] = {
132 "any",
133 "transport",
134 "tunnel",
135};
136
137static char *str_upper[] = {
138/*0*/ "ip", "icmp", "igmp", "ggp", "ip4",
139 "", "tcp", "", "egp", "",
140/*10*/ "", "", "", "", "",
141 "", "", "udp", "", "",
142/*20*/ "", "", "idp", "", "",
143 "", "", "", "", "tp",
144/*30*/ "", "", "", "", "",
145 "", "", "", "", "",
146/*40*/ "", "ip6", "", "rt6", "frag6",
147 "", "rsvp", "gre", "", "",
148/*50*/ "esp", "ah", "", "", "",
149 "", "", "", "icmp6", "none",
150/*60*/ "dst6",
151};
152
153static char *str_state[] = {
154 "larval",
155 "mature",
156 "dying",
157 "dead",
158};
159
160static struct val2str str_alg_auth[] = {
161 { SADB_AALG_NONE, "none", },
162 { SADB_AALG_MD5HMAC, "hmac-md5", },
163 { SADB_AALG_SHA1HMAC, "hmac-sha1", },
164 { SADB_X_AALG_MD5, "md5", },
165 { SADB_X_AALG_SHA, "sha", },
166 { SADB_X_AALG_NULL, "null", },
51006084 167 { SADB_X_AALG_TCP_MD5, "tcp-md5", },
984263bc
MD
168#ifdef SADB_X_AALG_SHA2_256
169 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
170#endif
171#ifdef SADB_X_AALG_SHA2_384
172 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
173#endif
174#ifdef SADB_X_AALG_SHA2_512
175 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
176#endif
177 { -1, NULL, },
178};
179
180static struct val2str str_alg_enc[] = {
181 { SADB_EALG_NONE, "none", },
182 { SADB_EALG_DESCBC, "des-cbc", },
183 { SADB_EALG_3DESCBC, "3des-cbc", },
184 { SADB_EALG_NULL, "null", },
185#ifdef SADB_X_EALG_RC5CBC
186 { SADB_X_EALG_RC5CBC, "rc5-cbc", },
187#endif
188 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
189 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
190#ifdef SADB_X_EALG_RIJNDAELCBC
191 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
192#endif
193#ifdef SADB_X_EALG_TWOFISHCBC
194 { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
195#endif
196 { -1, NULL, },
197};
198
199static struct val2str str_alg_comp[] = {
200 { SADB_X_CALG_NONE, "none", },
201 { SADB_X_CALG_OUI, "oui", },
202 { SADB_X_CALG_DEFLATE, "deflate", },
203 { SADB_X_CALG_LZS, "lzs", },
204 { -1, NULL, },
205};
206
207/*
208 * dump SADB_MSG formated. For debugging, you should use kdebug_sadb().
209 */
210void
211pfkey_sadump(m)
212 struct sadb_msg *m;
213{
214 caddr_t mhp[SADB_EXT_MAX + 1];
215 struct sadb_sa *m_sa;
216 struct sadb_x_sa2 *m_sa2;
217 struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
218 struct sadb_address *m_saddr, *m_daddr, *m_paddr;
219 struct sadb_key *m_auth, *m_enc;
220 struct sadb_ident *m_sid, *m_did;
221 struct sadb_sens *m_sens;
222
223 /* check pfkey message. */
224 if (pfkey_align(m, mhp)) {
225 printf("%s\n", ipsec_strerror());
226 return;
227 }
228 if (pfkey_check(mhp)) {
229 printf("%s\n", ipsec_strerror());
230 return;
231 }
232
233 m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
234 m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
235 m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
236 m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
237 m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
238 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
239 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
240 m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
241 m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
242 m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
243 m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
244 m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
245 m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
246
247 /* source address */
248 if (m_saddr == NULL) {
249 printf("no ADDRESS_SRC extension.\n");
250 return;
251 }
252 printf("%s ", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
253
254 /* destination address */
255 if (m_daddr == NULL) {
256 printf("no ADDRESS_DST extension.\n");
257 return;
258 }
259 printf("%s ", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
260
261 /* SA type */
262 if (m_sa == NULL) {
263 printf("no SA extension.\n");
264 return;
265 }
266 if (m_sa2 == NULL) {
267 printf("no SA2 extension.\n");
268 return;
269 }
270 printf("\n\t");
271
272 GETMSGSTR(str_satype, m->sadb_msg_satype);
273
274 printf("mode=");
275 GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
276
277 printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
278 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
279 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
280 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
281 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
282
283 /* encryption key */
284 if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
285 printf("\tC: ");
286 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
287 } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
288 if (m_enc != NULL) {
289 printf("\tE: ");
290 GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
291 ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
292 m_enc->sadb_key_bits / 8);
293 printf("\n");
294 }
295 }
296
297 /* authentication key */
298 if (m_auth != NULL) {
299 printf("\tA: ");
300 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
301 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
302 m_auth->sadb_key_bits / 8);
303 printf("\n");
304 }
305
306 /* replay windoe size & flags */
307 printf("\tseq=0x%08x replay=%u flags=0x%08x ",
308 m_sa2->sadb_x_sa2_sequence,
309 m_sa->sadb_sa_replay,
310 m_sa->sadb_sa_flags);
311
312 /* state */
313 printf("state=");
314 GETMSGSTR(str_state, m_sa->sadb_sa_state);
315 printf("\n");
316
317 /* lifetime */
318 if (m_lftc != NULL) {
319 time_t tmp_time = time(0);
320
321 printf("\tcreated: %s",
322 str_time(m_lftc->sadb_lifetime_addtime));
323 printf("\tcurrent: %s\n", str_time(tmp_time));
324 printf("\tdiff: %lu(s)",
325 (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
326 0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
327
328 printf("\thard: %lu(s)",
329 (u_long)(m_lfth == NULL ?
330 0 : m_lfth->sadb_lifetime_addtime));
331 printf("\tsoft: %lu(s)\n",
332 (u_long)(m_lfts == NULL ?
333 0 : m_lfts->sadb_lifetime_addtime));
334
335 printf("\tlast: %s",
336 str_time(m_lftc->sadb_lifetime_usetime));
337 printf("\thard: %lu(s)",
338 (u_long)(m_lfth == NULL ?
339 0 : m_lfth->sadb_lifetime_usetime));
340 printf("\tsoft: %lu(s)\n",
341 (u_long)(m_lfts == NULL ?
342 0 : m_lfts->sadb_lifetime_usetime));
343
344 str_lifetime_byte(m_lftc, "current");
345 str_lifetime_byte(m_lfth, "hard");
346 str_lifetime_byte(m_lfts, "soft");
347 printf("\n");
348
349 printf("\tallocated: %lu",
350 (unsigned long)m_lftc->sadb_lifetime_allocations);
351 printf("\thard: %lu",
352 (u_long)(m_lfth == NULL ?
353 0 : m_lfth->sadb_lifetime_allocations));
354 printf("\tsoft: %lu\n",
355 (u_long)(m_lfts == NULL ?
356 0 : m_lfts->sadb_lifetime_allocations));
357 }
358
359 printf("\tsadb_seq=%lu pid=%lu ",
360 (u_long)m->sadb_msg_seq,
361 (u_long)m->sadb_msg_pid);
362
363 /* XXX DEBUG */
364 printf("refcnt=%u\n", m->sadb_msg_reserved);
365
366 return;
367}
368
369void
370pfkey_spdump(m)
371 struct sadb_msg *m;
372{
373 char pbuf[NI_MAXSERV];
374 caddr_t mhp[SADB_EXT_MAX + 1];
375 struct sadb_address *m_saddr, *m_daddr;
376 struct sadb_x_policy *m_xpl;
377 struct sadb_lifetime *m_lft = NULL;
378 struct sockaddr *sa;
379 u_int16_t port;
380
381 /* check pfkey message. */
382 if (pfkey_align(m, mhp)) {
383 printf("%s\n", ipsec_strerror());
384 return;
385 }
386 if (pfkey_check(mhp)) {
387 printf("%s\n", ipsec_strerror());
388 return;
389 }
390
391 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
392 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
393 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
394 m_lft = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
395
396 /* source address */
397 if (m_saddr == NULL) {
398 printf("no ADDRESS_SRC extension.\n");
399 return;
400 }
401 sa = (struct sockaddr *)(m_saddr + 1);
402 switch (sa->sa_family) {
403 case AF_INET:
404 case AF_INET6:
405 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
406 NI_NUMERICSERV) != 0)
407 port = 0; /*XXX*/
408 else
409 port = atoi(pbuf);
410 printf("%s%s ", str_ipaddr(sa),
411 str_prefport(sa->sa_family,
412 m_saddr->sadb_address_prefixlen, port));
413 break;
414 default:
415 printf("unknown-af ");
416 break;
417 }
418
419 /* destination address */
420 if (m_daddr == NULL) {
421 printf("no ADDRESS_DST extension.\n");
422 return;
423 }
424 sa = (struct sockaddr *)(m_daddr + 1);
425 switch (sa->sa_family) {
426 case AF_INET:
427 case AF_INET6:
428 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
429 NI_NUMERICSERV) != 0)
430 port = 0; /*XXX*/
431 else
432 port = atoi(pbuf);
433 printf("%s%s ", str_ipaddr(sa),
434 str_prefport(sa->sa_family,
435 m_daddr->sadb_address_prefixlen, port));
436 break;
437 default:
438 printf("unknown-af ");
439 break;
440 }
441
442 /* upper layer protocol */
443 if (m_saddr->sadb_address_proto != m_daddr->sadb_address_proto) {
444 printf("upper layer protocol mismatched.\n");
445 return;
446 }
447 if (m_saddr->sadb_address_proto == IPSEC_ULPROTO_ANY)
448 printf("any");
449 else
450 GETMSGSTR(str_upper, m_saddr->sadb_address_proto);
451
452 /* policy */
453 {
454 char *d_xpl;
455
456 if (m_xpl == NULL) {
457 printf("no X_POLICY extension.\n");
458 return;
459 }
460 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
461
462 /* dump SPD */
463 printf("\n\t%s\n", d_xpl);
464 free(d_xpl);
465 }
466
467 /* lifetime */
468 if (m_lft) {
469 printf("\tlifetime:%lu validtime:%lu\n",
470 (u_long)m_lft->sadb_lifetime_addtime,
471 (u_long)m_lft->sadb_lifetime_usetime);
472 }
473
474 printf("\tspid=%ld seq=%ld pid=%ld\n",
475 (u_long)m_xpl->sadb_x_policy_id,
476 (u_long)m->sadb_msg_seq,
477 (u_long)m->sadb_msg_pid);
478
479 /* XXX TEST */
480 printf("\trefcnt=%u\n", m->sadb_msg_reserved);
481
482 return;
483}
484
485/*
486 * set "ipaddress" to buffer.
487 */
488static char *
489str_ipaddr(sa)
490 struct sockaddr *sa;
491{
492 static char buf[NI_MAXHOST];
493#ifdef NI_WITHSCOPEID
494 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
495#else
496 const int niflag = NI_NUMERICHOST;
497#endif
498
499 if (sa == NULL)
500 return "";
501
502 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
503 return buf;
504 return NULL;
505}
506
507/*
508 * set "/prefix[port number]" to buffer.
509 */
510static char *
511str_prefport(family, pref, port)
512 u_int family, pref, port;
513{
514 static char buf[128];
515 char prefbuf[128];
516 char portbuf[128];
517 int plen;
518
519 switch (family) {
520 case AF_INET:
521 plen = sizeof(struct in_addr) << 3;
522 break;
523 case AF_INET6:
524 plen = sizeof(struct in6_addr) << 3;
525 break;
526 default:
527 return "?";
528 }
529
530 if (pref == plen)
531 prefbuf[0] = '\0';
532 else
533 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
534
535 if (port == IPSEC_PORT_ANY)
536 snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
537 else
538 snprintf(portbuf, sizeof(portbuf), "[%u]", port);
539
540 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
541
542 return buf;
543}
544
545/*
546 * set "Mon Day Time Year" to buffer
547 */
548static char *
549str_time(t)
550 time_t t;
551{
552 static char buf[128];
553
554 if (t == 0) {
555 int i = 0;
556 for (;i < 20;) buf[i++] = ' ';
557 } else {
558 char *t0;
559 t0 = ctime(&t);
560 memcpy(buf, t0 + 4, 20);
561 }
562
563 buf[20] = '\0';
564
565 return(buf);
566}
567
568static void
569str_lifetime_byte(x, str)
570 struct sadb_lifetime *x;
571 char *str;
572{
573 double y;
574 char *unit;
575 int w;
576
577 if (x == NULL) {
578 printf("\t%s: 0(bytes)", str);
579 return;
580 }
581
582#if 0
583 if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
584 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
585 unit = "M";
586 w = 1;
587 } else if ((x->sadb_lifetime_bytes) / 1024) {
588 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
589 unit = "K";
590 w = 1;
591 } else {
592 y = (x->sadb_lifetime_bytes) * 1.0;
593 unit = "";
594 w = 0;
595 }
596#else
597 y = (x->sadb_lifetime_bytes) * 1.0;
598 unit = "";
599 w = 0;
600#endif
601 printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
602}