Ansify some function definitions that were previously overlooked.
[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;
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
89a89091 367pfkey_spdump(struct sadb_msg *m)
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368{
369 char pbuf[NI_MAXSERV];
370 caddr_t mhp[SADB_EXT_MAX + 1];
371 struct sadb_address *m_saddr, *m_daddr;
372 struct sadb_x_policy *m_xpl;
373 struct sadb_lifetime *m_lft = NULL;
374 struct sockaddr *sa;
375 u_int16_t port;
376
377 /* check pfkey message. */
378 if (pfkey_align(m, mhp)) {
379 printf("%s\n", ipsec_strerror());
380 return;
381 }
382 if (pfkey_check(mhp)) {
383 printf("%s\n", ipsec_strerror());
384 return;
385 }
386
387 m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
388 m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
389 m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
390 m_lft = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
391
392 /* source address */
393 if (m_saddr == NULL) {
394 printf("no ADDRESS_SRC extension.\n");
395 return;
396 }
397 sa = (struct sockaddr *)(m_saddr + 1);
398 switch (sa->sa_family) {
399 case AF_INET:
400 case AF_INET6:
401 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
402 NI_NUMERICSERV) != 0)
403 port = 0; /*XXX*/
404 else
405 port = atoi(pbuf);
406 printf("%s%s ", str_ipaddr(sa),
407 str_prefport(sa->sa_family,
408 m_saddr->sadb_address_prefixlen, port));
409 break;
410 default:
411 printf("unknown-af ");
412 break;
413 }
414
415 /* destination address */
416 if (m_daddr == NULL) {
417 printf("no ADDRESS_DST extension.\n");
418 return;
419 }
420 sa = (struct sockaddr *)(m_daddr + 1);
421 switch (sa->sa_family) {
422 case AF_INET:
423 case AF_INET6:
424 if (getnameinfo(sa, sa->sa_len, NULL, 0, pbuf, sizeof(pbuf),
425 NI_NUMERICSERV) != 0)
426 port = 0; /*XXX*/
427 else
428 port = atoi(pbuf);
429 printf("%s%s ", str_ipaddr(sa),
430 str_prefport(sa->sa_family,
431 m_daddr->sadb_address_prefixlen, port));
432 break;
433 default:
434 printf("unknown-af ");
435 break;
436 }
437
438 /* upper layer protocol */
439 if (m_saddr->sadb_address_proto != m_daddr->sadb_address_proto) {
440 printf("upper layer protocol mismatched.\n");
441 return;
442 }
443 if (m_saddr->sadb_address_proto == IPSEC_ULPROTO_ANY)
444 printf("any");
445 else
446 GETMSGSTR(str_upper, m_saddr->sadb_address_proto);
447
448 /* policy */
449 {
450 char *d_xpl;
451
452 if (m_xpl == NULL) {
453 printf("no X_POLICY extension.\n");
454 return;
455 }
456 d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
457
458 /* dump SPD */
459 printf("\n\t%s\n", d_xpl);
460 free(d_xpl);
461 }
462
463 /* lifetime */
464 if (m_lft) {
465 printf("\tlifetime:%lu validtime:%lu\n",
466 (u_long)m_lft->sadb_lifetime_addtime,
467 (u_long)m_lft->sadb_lifetime_usetime);
468 }
469
470 printf("\tspid=%ld seq=%ld pid=%ld\n",
471 (u_long)m_xpl->sadb_x_policy_id,
472 (u_long)m->sadb_msg_seq,
473 (u_long)m->sadb_msg_pid);
474
475 /* XXX TEST */
476 printf("\trefcnt=%u\n", m->sadb_msg_reserved);
477
478 return;
479}
480
481/*
482 * set "ipaddress" to buffer.
483 */
484static char *
89a89091 485str_ipaddr(struct sockaddr *sa)
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486{
487 static char buf[NI_MAXHOST];
488#ifdef NI_WITHSCOPEID
489 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
490#else
491 const int niflag = NI_NUMERICHOST;
492#endif
493
494 if (sa == NULL)
495 return "";
496
497 if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
498 return buf;
499 return NULL;
500}
501
502/*
503 * set "/prefix[port number]" to buffer.
504 */
505static char *
89a89091 506str_prefport(u_int family, u_int pref, u_int port)
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507{
508 static char buf[128];
509 char prefbuf[128];
510 char portbuf[128];
511 int plen;
512
513 switch (family) {
514 case AF_INET:
515 plen = sizeof(struct in_addr) << 3;
516 break;
517 case AF_INET6:
518 plen = sizeof(struct in6_addr) << 3;
519 break;
520 default:
521 return "?";
522 }
523
524 if (pref == plen)
525 prefbuf[0] = '\0';
526 else
527 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
528
529 if (port == IPSEC_PORT_ANY)
530 snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
531 else
532 snprintf(portbuf, sizeof(portbuf), "[%u]", port);
533
534 snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
535
536 return buf;
537}
538
539/*
540 * set "Mon Day Time Year" to buffer
541 */
542static char *
89a89091 543str_time(time_t t)
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544{
545 static char buf[128];
546
547 if (t == 0) {
548 int i = 0;
549 for (;i < 20;) buf[i++] = ' ';
550 } else {
551 char *t0;
552 t0 = ctime(&t);
553 memcpy(buf, t0 + 4, 20);
554 }
555
556 buf[20] = '\0';
557
558 return(buf);
559}
560
561static void
89a89091 562str_lifetime_byte(struct sadb_lifetime *x, char *str)
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563{
564 double y;
565 char *unit;
566 int w;
567
568 if (x == NULL) {
569 printf("\t%s: 0(bytes)", str);
570 return;
571 }
572
573#if 0
574 if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
575 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
576 unit = "M";
577 w = 1;
578 } else if ((x->sadb_lifetime_bytes) / 1024) {
579 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
580 unit = "K";
581 w = 1;
582 } else {
583 y = (x->sadb_lifetime_bytes) * 1.0;
584 unit = "";
585 w = 0;
586 }
587#else
588 y = (x->sadb_lifetime_bytes) * 1.0;
589 unit = "";
590 w = 0;
591#endif
592 printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
593}