Add getopt_long from NetBSD
[dragonfly.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 };
128
129 static char *str_mode[] = {
130         "any",
131         "transport",
132         "tunnel",
133 };
134
135 static 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
151 static char *str_state[] = {
152         "larval",
153         "mature",
154         "dying",
155         "dead",
156 };
157
158 static 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
177 static 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
196 static 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  */
207 void
208 pfkey_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
366 void
367 pfkey_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  */
485 static char *
486 str_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  */
507 static char *
508 str_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  */
545 static char *
546 str_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
565 static void
566 str_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 }