2b4901c97c7d34228452d099845d6ba909ad532b
[games.git] / lib / libipsec / pfkey_dump.c
1 /*      $FreeBSD: src/lib/libipsec/pfkey_dump.c,v 1.1.2.4 2003/04/27 00:03:36 sumikawa Exp $    */
2 /*      $DragonFly: src/lib/libipsec/pfkey_dump.c,v 1.3 2003/11/12 20:21:30 eirikn Exp $        */
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) \
80 do { \
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) \
91 do { \
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
103 static char *str_ipaddr (struct sockaddr *);
104 static char *str_prefport (u_int, u_int, u_int);
105 static char *str_time (time_t);
106 static void str_lifetime_byte (struct sadb_lifetime *, char *);
107
108 struct val2str {
109         int val;
110         const char *str;
111 };
112
113 /*
114  * Must to be re-written about following strings.
115  */
116 static char *str_satype[] = {
117         "unspec",
118         "unknown",
119         "ah",
120         "esp",
121         "unknown",
122         "rsvp",
123         "ospfv2",
124         "ripv2",
125         "mip",
126         "ipcomp",
127         "policy",
128         "tcp",
129 };
130
131 static char *str_mode[] = {
132         "any",
133         "transport",
134         "tunnel",
135 };
136
137 static 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
153 static char *str_state[] = {
154         "larval",
155         "mature",
156         "dying",
157         "dead",
158 };
159
160 static 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", },
167         { SADB_X_AALG_TCP_MD5, "tcp-md5", },
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
180 static 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
199 static 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  */
210 void
211 pfkey_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
369 void
370 pfkey_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  */
488 static char *
489 str_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  */
510 static char *
511 str_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  */
548 static char *
549 str_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
568 static void
569 str_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 }