1 /*        $NetBSD: pfkey_dump.c,v 1.26 2025/03/10 15:59:04 christos Exp $       */
2 
3 /*        $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun 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 #ifdef HAVE_CONFIG_H
35 #include "config.h"
36 #endif
37 
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/socket.h>
41 #include PATH_IPSEC_H
42 #include <net/pfkeyv2.h>
43 
44 #include <netinet/in.h>
45 #include <arpa/inet.h>
46 
47 #include <stdlib.h>
48 #include <unistd.h>
49 #include <stdio.h>
50 #include <string.h>
51 #include <time.h>
52 #include <netdb.h>
53 
54 #include "ipsec_strerror.h"
55 #include "libpfkey.h"
56 
57 /* cope with old kame headers - ugly */
58 #ifndef SADB_X_AALG_MD5
59 #define SADB_X_AALG_MD5                 SADB_AALG_MD5
60 #endif
61 #ifndef SADB_X_AALG_SHA
62 #define SADB_X_AALG_SHA                 SADB_AALG_SHA
63 #endif
64 #ifndef SADB_X_AALG_NULL
65 #define SADB_X_AALG_NULL      SADB_AALG_NULL
66 #endif
67 
68 #ifndef SADB_X_EALG_BLOWFISHCBC
69 #define SADB_X_EALG_BLOWFISHCBC         SADB_EALG_BLOWFISHCBC
70 #endif
71 #ifndef SADB_X_EALG_CAST128CBC
72 #define SADB_X_EALG_CAST128CBC          SADB_EALG_CAST128CBC
73 #endif
74 #ifndef SADB_X_EALG_RC5CBC
75 #ifdef SADB_EALG_RC5CBC
76 #define SADB_X_EALG_RC5CBC    SADB_EALG_RC5CBC
77 #endif
78 #endif
79 #if defined(SADB_X_EALG_AES) && ! defined(SADB_X_EALG_AESCBC)
80 #define SADB_X_EALG_AESCBC  SADB_X_EALG_AES
81 #endif
82 
83 #define GETMSGSTR(str, num) \
84 do { \
85           /*CONSTCOND*/ \
86           if (sizeof((str)[0]) == 0 \
87            || num >= sizeof(str)/sizeof((str)[0])) \
88                     printf("%u ", (num)); \
89           else if (strlen((str)[(num)]) == 0) \
90                     printf("%u ", (num)); \
91           else \
92                     printf("%s ", (str)[(num)]); \
93 } while (/*CONSTCOND*/0)
94 
95 #define GETMSGV2S(v2s, num) \
96 do { \
97           struct val2str *p;  \
98           for (p = (v2s); p && p->str; p++) { \
99                     if (p->val == (num)) \
100                               break; \
101           } \
102           if (p && p->str) \
103                     printf("%s ", p->str); \
104           else \
105                     printf("%u ", (num)); \
106 } while (/*CONSTCOND*/0)
107 
108 static const char *str_ipaddr(struct sockaddr *);
109 static const char *str_ipport(struct sockaddr *);
110 static const char *str_prefport(u_int, u_int, u_int, u_int);
111 static void str_upperspec(u_int, u_int, u_int);
112 static char *str_time(time_t);
113 static void str_lifetime_byte(struct sadb_lifetime *, const char *);
114 static void pfkey_sadump1(struct sadb_msg *, int);
115 static void pfkey_spdump1(struct sadb_msg *, int);
116 
117 struct val2str {
118           int val;
119           const char *str;
120 };
121 
122 /*
123  * Must to be re-written about following strings.
124  */
125 static const char *str_satype[] = {
126           "unspec",
127           "unknown",
128           "ah",
129           "esp",
130           "unknown",
131           "rsvp",
132           "ospfv2",
133           "ripv2",
134           "mip",
135           "ipcomp",
136           "policy",
137           "tcp",
138 };
139 
140 static const char *str_mode[] = {
141           "any",
142           "transport",
143           "tunnel",
144 };
145 
146 static const char *str_state[] = {
147           "larval",
148           "mature",
149           "dying",
150           "dead",
151 };
152 
153 static struct val2str str_alg_auth[] = {
154           { SADB_AALG_NONE, "none", },
155           { SADB_AALG_MD5HMAC, "hmac-md5", },
156           { SADB_AALG_SHA1HMAC, "hmac-sha1", },
157           { SADB_X_AALG_MD5, "md5", },
158           { SADB_X_AALG_SHA, "sha", },
159           { SADB_X_AALG_NULL, "null", },
160 #ifdef SADB_X_AALG_TCP_MD5
161           { SADB_X_AALG_TCP_MD5, "tcp-md5", },
162 #endif
163 #ifdef SADB_X_AALG_SHA2_256
164           { SADB_X_AALG_SHA2_256, "hmac-sha256", },
165 #endif
166 #ifdef SADB_X_AALG_SHA2_384
167           { SADB_X_AALG_SHA2_384, "hmac-sha384", },
168 #endif
169 #ifdef SADB_X_AALG_SHA2_512
170           { SADB_X_AALG_SHA2_512, "hmac-sha512", },
171 #endif
172 #ifdef SADB_X_AALG_RIPEMD160HMAC
173           { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
174 #endif
175 #ifdef SADB_X_AALG_AES_XCBC_MAC
176           { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
177 #endif
178           { -1, NULL, },
179 };
180 
181 static struct val2str str_alg_enc[] = {
182           { SADB_EALG_NONE, "none", },
183           { SADB_EALG_DESCBC, "des-cbc", },
184           { SADB_EALG_3DESCBC, "3des-cbc", },
185           { SADB_EALG_NULL, "null", },
186 #ifdef SADB_X_EALG_RC5CBC
187           { SADB_X_EALG_RC5CBC, "rc5-cbc", },
188 #endif
189           { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
190           { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
191 #ifdef SADB_X_EALG_AESCBC
192           { SADB_X_EALG_AESCBC, "aes-cbc", },
193 #endif
194 #ifdef SADB_X_EALG_TWOFISHCBC
195           { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
196 #endif
197 #ifdef SADB_X_EALG_AESCTR
198           { SADB_X_EALG_AESCTR, "aes-ctr", },
199 #endif
200 #ifdef SADB_X_EALG_AESGCM16
201           { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
202 #endif
203 #ifdef SADB_X_EALG_AESGMAC
204           { SADB_X_EALG_AESGMAC, "aes-gmac", },
205 #endif
206 #ifdef SADB_X_EALG_CAMELLIACBC
207           { SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
208 #endif
209           { -1, NULL, },
210 };
211 
212 static struct val2str str_alg_comp[] = {
213           { SADB_X_CALG_NONE, "none", },
214           { SADB_X_CALG_OUI, "oui", },
215           { SADB_X_CALG_DEFLATE, "deflate", },
216           { SADB_X_CALG_LZS, "lzs", },
217           { -1, NULL, },
218 };
219 
220 /*
221  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
222  */
223 
224 void
pfkey_sadump(struct sadb_msg * m)225 pfkey_sadump(struct sadb_msg *m)
226 {
227           pfkey_sadump1(m, 0);
228 }
229 
230 void
pfkey_sadump_withports(struct sadb_msg * m)231 pfkey_sadump_withports(struct sadb_msg *m)
232 {
233           pfkey_sadump1(m, 1);
234 }
235 
236 void
pfkey_sadump1(struct sadb_msg * m,int withports)237 pfkey_sadump1(struct sadb_msg *m, int withports)
238 {
239           caddr_t mhp[SADB_EXT_MAX + 1];
240           struct sadb_sa *m_sa;
241           struct sadb_x_sa2 *m_sa2;
242           struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
243           struct sadb_address *m_saddr, *m_daddr;
244 #ifdef notdef
245           struct sadb_address *m_paddr;
246 #endif
247           struct sadb_key *m_auth, *m_enc;
248 #ifdef notdef
249           struct sadb_ident *m_sid, *m_did;
250           struct sadb_sens *m_sens;
251 #endif
252 #ifdef SADB_X_EXT_SEC_CTX
253           struct sadb_x_sec_ctx *m_sec_ctx;
254 #endif
255 #ifdef SADB_X_EXT_NAT_T_TYPE
256           struct sadb_x_nat_t_type *natt_type;
257           struct sadb_x_nat_t_port *natt_sport, *natt_dport;
258           struct sadb_address *natt_oa;
259 #ifdef SADB_X_EXT_NAT_T_FRAG
260           struct sadb_x_nat_t_frag *esp_frag;
261 #endif
262 
263           int use_natt = 0;
264 #endif
265           struct sockaddr *sa;
266 
267           /* check pfkey message. */
268           if (pfkey_align(m, mhp)) {
269                     printf("%s\n", ipsec_strerror());
270                     return;
271           }
272           if (pfkey_check(mhp)) {
273                     printf("%s\n", ipsec_strerror());
274                     return;
275           }
276 
277           m_sa = (void *)mhp[SADB_EXT_SA];
278           m_sa2 = (void *)mhp[SADB_X_EXT_SA2];
279           m_lftc = (void *)mhp[SADB_EXT_LIFETIME_CURRENT];
280           m_lfth = (void *)mhp[SADB_EXT_LIFETIME_HARD];
281           m_lfts = (void *)mhp[SADB_EXT_LIFETIME_SOFT];
282           m_saddr = (void *)mhp[SADB_EXT_ADDRESS_SRC];
283           m_daddr = (void *)mhp[SADB_EXT_ADDRESS_DST];
284 #ifdef notdef
285           m_paddr = (void *)mhp[SADB_EXT_ADDRESS_PROXY];
286 #endif
287           m_auth = (void *)mhp[SADB_EXT_KEY_AUTH];
288           m_enc = (void *)mhp[SADB_EXT_KEY_ENCRYPT];
289 #ifdef notdef
290           m_sid = (void *)mhp[SADB_EXT_IDENTITY_SRC];
291           m_did = (void *)mhp[SADB_EXT_IDENTITY_DST];
292           m_sens = (void *)mhp[SADB_EXT_SENSITIVITY];
293 #endif
294 #ifdef SADB_X_EXT_SEC_CTX
295           m_sec_ctx = (struct sadb_x_sec_ctx *)mhp[SADB_X_EXT_SEC_CTX];
296 #endif
297 #ifdef SADB_X_EXT_NAT_T_TYPE
298           natt_type = (void *)mhp[SADB_X_EXT_NAT_T_TYPE];
299           natt_sport = (void *)mhp[SADB_X_EXT_NAT_T_SPORT];
300           natt_dport = (void *)mhp[SADB_X_EXT_NAT_T_DPORT];
301           natt_oa = (void *)mhp[SADB_X_EXT_NAT_T_OA];
302 #ifdef SADB_X_EXT_NAT_T_FRAG
303           esp_frag = (void *)mhp[SADB_X_EXT_NAT_T_FRAG];
304 #endif
305 
306           if (natt_type && natt_type->sadb_x_nat_t_type_type)
307                     use_natt = 1;
308 #endif
309           /* source address */
310           if (m_saddr == NULL) {
311                     printf("no ADDRESS_SRC extension.\n");
312                     return;
313           }
314           sa = (void *)(m_saddr + 1);
315           if (withports)
316                     printf("%s[%s]", str_ipaddr(sa), str_ipport(sa));
317           else
318                     printf("%s", str_ipaddr(sa));
319 #ifdef SADB_X_EXT_NAT_T_TYPE
320           if (use_natt && natt_sport)
321                     printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
322 #endif
323           printf(" ");
324 
325           /* destination address */
326           if (m_daddr == NULL) {
327                     printf(" no ADDRESS_DST extension.\n");
328                     return;
329           }
330           sa = (void *)(m_daddr + 1);
331           if (withports)
332                     printf("%s[%s]", str_ipaddr(sa), str_ipport(sa));
333           else
334                     printf("%s", str_ipaddr(sa));
335 #ifdef SADB_X_EXT_NAT_T_TYPE
336           if (use_natt && natt_dport)
337                     printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
338 #endif
339           printf(" ");
340 
341           /* SA type */
342           if (m_sa == NULL) {
343                     printf("no SA extension.\n");
344                     return;
345           }
346           if (m_sa2 == NULL) {
347                     printf("no SA2 extension.\n");
348                     return;
349           }
350           printf("\n\t");
351 
352 #ifdef SADB_X_EXT_NAT_T_TYPE
353           if (use_natt && m->sadb_msg_satype == SADB_SATYPE_ESP)
354                     printf("esp-udp ");
355           else if (use_natt)
356                     printf("natt+");
357 
358           if (!use_natt || m->sadb_msg_satype != SADB_SATYPE_ESP)
359 #endif
360           GETMSGSTR(str_satype, m->sadb_msg_satype);
361 
362           printf("mode=");
363           GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
364 
365           printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
366                     (u_int32_t)ntohl(m_sa->sadb_sa_spi),
367                     (u_int32_t)ntohl(m_sa->sadb_sa_spi),
368                     (u_int32_t)m_sa2->sadb_x_sa2_reqid,
369                     (u_int32_t)m_sa2->sadb_x_sa2_reqid);
370 
371 #ifdef SADB_X_EXT_NAT_T_TYPE
372           /* other NAT-T information */
373           if (use_natt && natt_oa)
374                     printf("\tNAT OA=%s\n",
375                            str_ipaddr((void *)(natt_oa + 1)));
376 
377 #ifdef SADB_X_EXT_NAT_T_FRAG
378           if (use_natt && esp_frag && esp_frag->sadb_x_nat_t_frag_fraglen != 0)
379                     printf("\tNAT-T esp_frag=%u\n", esp_frag->sadb_x_nat_t_frag_fraglen);
380 #endif
381 #endif
382 
383           /* encryption key */
384           if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
385                     printf("\tC: ");
386                     GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
387           } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
388                     if (m_enc != NULL) {
389                               printf("\tE: ");
390                               GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
391                               ipsec_hexdump((caddr_t)(void *)m_enc + sizeof(*m_enc),
392                                               m_enc->sadb_key_bits / 8);
393                               printf("\n");
394                     }
395           }
396 
397           /* authentication key */
398           if (m_auth != NULL) {
399                     printf("\tA: ");
400                     GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
401                     ipsec_hexdump((caddr_t)(void *)m_auth + sizeof(*m_auth),
402                                   m_auth->sadb_key_bits / 8);
403                     printf("\n");
404           }
405 
406           /* replay windoe size & flags */
407           printf("\tseq=0x%08x replay=%u flags=0x%08x ",
408                     m_sa2->sadb_x_sa2_sequence,
409                     m_sa->sadb_sa_replay,
410                     m_sa->sadb_sa_flags);
411 
412           /* state */
413           printf("state=");
414           GETMSGSTR(str_state, m_sa->sadb_sa_state);
415           printf("\n");
416 
417           /* lifetime */
418           if (m_lftc != NULL) {
419                     time_t tmp_time = time(0);
420 
421                     printf("\tcreated: %s",
422                               str_time((long)m_lftc->sadb_lifetime_addtime));
423                     printf("\tcurrent: %s\n", str_time(tmp_time));
424                     printf("\tdiff: %lu(s)",
425                               (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
426                               0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
427 
428                     printf("\thard: %lu(s)",
429                               (u_long)(m_lfth == NULL ?
430                               0 : m_lfth->sadb_lifetime_addtime));
431                     printf("\tsoft: %lu(s)\n",
432                               (u_long)(m_lfts == NULL ?
433                               0 : m_lfts->sadb_lifetime_addtime));
434 
435                     printf("\tlast: %s",
436                               str_time((long)m_lftc->sadb_lifetime_usetime));
437                     printf("\thard: %lu(s)",
438                               (u_long)(m_lfth == NULL ?
439                               0 : m_lfth->sadb_lifetime_usetime));
440                     printf("\tsoft: %lu(s)\n",
441                               (u_long)(m_lfts == NULL ?
442                               0 : m_lfts->sadb_lifetime_usetime));
443 
444                     str_lifetime_byte(m_lftc, "current");
445                     str_lifetime_byte(m_lfth, "hard");
446                     str_lifetime_byte(m_lfts, "soft");
447                     printf("\n");
448 
449                     printf("\tallocated: %lu",
450                               (unsigned long)m_lftc->sadb_lifetime_allocations);
451                     printf("\thard: %lu",
452                               (u_long)(m_lfth == NULL ?
453                               0 : m_lfth->sadb_lifetime_allocations));
454                     printf("\tsoft: %lu\n",
455                               (u_long)(m_lfts == NULL ?
456                               0 : m_lfts->sadb_lifetime_allocations));
457           }
458 
459 #ifdef SADB_X_EXT_SEC_CTX
460           if (m_sec_ctx != NULL) {
461                     printf("\tsecurity context doi: %u\n",
462                                                   m_sec_ctx->sadb_x_ctx_doi);
463                     printf("\tsecurity context algorithm: %u\n",
464                                                   m_sec_ctx->sadb_x_ctx_alg);
465                     printf("\tsecurity context length: %u\n",
466                                                   m_sec_ctx->sadb_x_ctx_len);
467                     printf("\tsecurity context: %s\n",
468                               (char *)m_sec_ctx + sizeof(struct sadb_x_sec_ctx));
469           }
470 #endif
471 
472           printf("\tsadb_seq=%lu pid=%lu ",
473                     (u_long)m->sadb_msg_seq,
474                     (u_long)m->sadb_msg_pid);
475 
476           /* XXX DEBUG */
477           printf("refcnt=%u\n", m->sadb_msg_reserved);
478 
479           return;
480 }
481 
482 void
pfkey_spdump(struct sadb_msg * m)483 pfkey_spdump(struct sadb_msg *m)
484 {
485           pfkey_spdump1(m, 0);
486 }
487 
488 void
pfkey_spdump_withports(struct sadb_msg * m)489 pfkey_spdump_withports(struct sadb_msg *m)
490 {
491           pfkey_spdump1(m, 1);
492 }
493 
494 static void
pfkey_spdump1(struct sadb_msg * m,int withports)495 pfkey_spdump1(struct sadb_msg *m, int withports)
496 {
497           char pbuf[NI_MAXSERV];
498           caddr_t mhp[SADB_EXT_MAX + 1];
499           struct sadb_address *m_saddr, *m_daddr;
500 #ifdef SADB_X_EXT_TAG
501           struct sadb_x_tag *m_tag;
502 #endif
503           struct sadb_x_policy *m_xpl;
504           struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
505 #ifdef SADB_X_EXT_SEC_CTX
506           struct sadb_x_sec_ctx *m_sec_ctx;
507 #endif
508           struct sockaddr *sa;
509           u_int16_t sport = 0, dport = 0;
510 
511           /* check pfkey message. */
512           if (pfkey_align(m, mhp)) {
513                     printf("%s\n", ipsec_strerror());
514                     return;
515           }
516           if (pfkey_check(mhp)) {
517                     printf("%s\n", ipsec_strerror());
518                     return;
519           }
520 
521           m_saddr = (void *)mhp[SADB_EXT_ADDRESS_SRC];
522           m_daddr = (void *)mhp[SADB_EXT_ADDRESS_DST];
523 #ifdef SADB_X_EXT_TAG
524           m_tag = (void *)mhp[SADB_X_EXT_TAG];
525 #endif
526           m_xpl = (void *)mhp[SADB_X_EXT_POLICY];
527           m_lftc = (void *)mhp[SADB_EXT_LIFETIME_CURRENT];
528           m_lfth = (void *)mhp[SADB_EXT_LIFETIME_HARD];
529 
530 #ifdef SADB_X_EXT_SEC_CTX
531           m_sec_ctx = (struct sadb_x_sec_ctx *)mhp[SADB_X_EXT_SEC_CTX];
532 #endif
533 #ifdef __linux__
534           /* *bsd indicates per-socket policies by omiting src and dst
535            * extensions. Linux always includes them, but we can catch it
536            * by checkin for policy id.
537            */
538           if (m_xpl->sadb_x_policy_id % 8 >= 3) {
539                     printf("(per-socket policy) ");
540           } else
541 #endif
542           if (m_saddr && m_daddr) {
543                     /* source address */
544                     sa = (void *)(m_saddr + 1);
545                     switch (sa->sa_family) {
546                     case AF_INET:
547                     case AF_INET6:
548                               if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL,
549                                   0, pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
550                                         sport = 0;          /*XXX*/
551                               else
552                                         sport = atoi(pbuf);
553                               printf("%s%s ", str_ipaddr(sa),
554                                         str_prefport((u_int)sa->sa_family,
555                                             (u_int)m_saddr->sadb_address_prefixlen,
556                                             (u_int)sport,
557                                             (u_int)m_saddr->sadb_address_proto));
558                               break;
559                     default:
560                               printf("unknown-af ");
561                               break;
562                     }
563 
564                     /* destination address */
565                     sa = (void *)(m_daddr + 1);
566                     switch (sa->sa_family) {
567                     case AF_INET:
568                     case AF_INET6:
569                               if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL,
570                                   0, pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
571                                         dport = 0;          /*XXX*/
572                               else
573                                         dport = atoi(pbuf);
574                               printf("%s%s ", str_ipaddr(sa),
575                                         str_prefport((u_int)sa->sa_family,
576                                             (u_int)m_daddr->sadb_address_prefixlen,
577                                             (u_int)dport,
578                                             (u_int)m_saddr->sadb_address_proto));
579                               break;
580                     default:
581                               printf("unknown-af ");
582                               break;
583                     }
584 
585                     /* upper layer protocol */
586                     if (m_saddr->sadb_address_proto !=
587                         m_daddr->sadb_address_proto) {
588                               printf("upper layer protocol mismatched.\n");
589                               return;
590                     }
591                     str_upperspec((u_int)m_saddr->sadb_address_proto, (u_int)sport,
592                         (u_int)dport);
593           }
594 #ifdef SADB_X_EXT_TAG
595           else if (m_tag)
596                     printf("tagged \"%s\" ", m_tag->sadb_x_tag_name);
597 #endif
598           else
599                     printf("(no selector, probably per-socket policy) ");
600 
601           /* policy */
602     {
603           char *d_xpl;
604 
605           if (m_xpl == NULL) {
606                     printf("no X_POLICY extension.\n");
607                     return;
608           }
609           if (withports)
610                     d_xpl = ipsec_dump_policy_withports(m_xpl, "\n\t");
611           else
612                     d_xpl = ipsec_dump_policy((ipsec_policy_t)m_xpl, "\n\t");
613 
614           if (!d_xpl)
615                     printf("\n\tPolicy:[%s]\n", ipsec_strerror());
616           else {
617                     /* dump SPD */
618                     printf("\n\t%s\n", d_xpl);
619                     free(d_xpl);
620           }
621     }
622 
623           /* lifetime */
624           if (m_lftc) {
625                     printf("\tcreated: %s  ",
626                               str_time((long)m_lftc->sadb_lifetime_addtime));
627                     printf("lastused: %s\n",
628                               str_time((long)m_lftc->sadb_lifetime_usetime));
629           }
630           if (m_lfth) {
631                     printf("\tlifetime: %lu(s) ",
632                               (u_long)m_lfth->sadb_lifetime_addtime);
633                     printf("validtime: %lu(s)\n",
634                               (u_long)m_lfth->sadb_lifetime_usetime);
635           }
636 
637 #ifdef SADB_X_EXT_SEC_CTX
638           if (m_sec_ctx != NULL) {
639                     printf("\tsecurity context doi: %u\n",
640                                                   m_sec_ctx->sadb_x_ctx_doi);
641                     printf("\tsecurity context algorithm: %u\n",
642                                                   m_sec_ctx->sadb_x_ctx_alg);
643                     printf("\tsecurity context length: %u\n",
644                                                   m_sec_ctx->sadb_x_ctx_len);
645                     printf("\tsecurity context: %s\n",
646                               (char *)m_sec_ctx + sizeof(struct sadb_x_sec_ctx));
647           }
648 #endif
649 
650           printf("\tspid=%ld seq=%ld pid=%ld\n",
651                     (u_long)m_xpl->sadb_x_policy_id,
652                     (u_long)m->sadb_msg_seq,
653                     (u_long)m->sadb_msg_pid);
654 
655           /* XXX TEST */
656           printf("\trefcnt=%u\n", m->sadb_msg_reserved);
657 
658           return;
659 }
660 
661 /*
662  * set "ipaddress" to buffer.
663  */
664 static const char *
str_ipaddr(struct sockaddr * sa)665 str_ipaddr(struct sockaddr *sa)
666 {
667           static char buf[NI_MAXHOST];
668           const int niflag = NI_NUMERICHOST;
669 
670           if (sa == NULL)
671                     return "";
672 
673           if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), buf, sizeof(buf),
674               NULL, 0, niflag) == 0)
675                     return buf;
676           return NULL;
677 }
678 
679 /*
680  * set "port" to buffer.
681  */
682 static const char *
str_ipport(struct sockaddr * sa)683 str_ipport(struct sockaddr *sa)
684 {
685           static char buf[NI_MAXHOST];
686           const int niflag = NI_NUMERICSERV;
687 
688           if (sa == NULL)
689                     return "";
690 
691           if (getnameinfo(sa, (socklen_t)sysdep_sa_len(sa), NULL, 0,
692               buf, sizeof(buf), niflag) == 0)
693                     return buf;
694           return NULL;
695 }
696 
697 
698 /*
699  * set "/prefix[port number]" to buffer.
700  */
701 static const char *
str_prefport(u_int family,u_int pref,u_int port,u_int ulp)702 str_prefport(u_int family, u_int pref, u_int port, u_int ulp)
703 {
704           static char buf[256];
705           char prefbuf[128];
706           char portbuf[128];
707           size_t plen;
708 
709           switch (family) {
710           case AF_INET:
711                     plen = sizeof(struct in_addr) << 3;
712                     break;
713           case AF_INET6:
714                     plen = sizeof(struct in6_addr) << 3;
715                     break;
716           default:
717                     return "?";
718           }
719 
720           if (pref == plen)
721                     prefbuf[0] = '\0';
722           else
723                     snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
724 
725           switch (ulp) {
726           case IPPROTO_ICMP:
727           case IPPROTO_ICMPV6:
728           case IPPROTO_MH:
729           case IPPROTO_GRE:
730                     memset(portbuf, 0, sizeof(portbuf));
731                     break;
732           default:
733                     if (port == IPSEC_PORT_ANY)
734                               strcpy(portbuf, "[any]");
735                     else
736                               snprintf(portbuf, sizeof(portbuf), "[%u]", port);
737                     break;
738           }
739 
740           snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
741 
742           return buf;
743 }
744 
745 static void
str_upperspec(u_int ulp,u_int p1,u_int p2)746 str_upperspec(u_int ulp, u_int p1, u_int p2)
747 {
748           struct protoent *ent;
749 
750           ent = getprotobynumber((int)ulp);
751           if (ent)
752                     printf("%u(%s)", ulp, ent->p_name);
753           else
754                     printf("%u", ulp);
755 
756           if (p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY)
757                     return;
758 
759           switch (ulp) {
760           case IPPROTO_ICMP:
761           case IPPROTO_ICMPV6:
762           case IPPROTO_MH:
763                     printf(" %u,%u", p1, p2);
764                     break;
765           case IPPROTO_GRE:
766                     printf(" %u", (p1 << 16) + p2);
767                     break;
768           }
769 }
770 
771 /*
772  * set "Mon Day Time Year" to buffer
773  */
774 static char *
str_time(time_t t)775 str_time(time_t t)
776 {
777           static char buf[128];
778 
779           if (t == 0) {
780                     int i = 0;
781                     for (;i < 20;) buf[i++] = ' ';
782           } else {
783                     char *t0;
784                     if ((t0 = ctime(&t)) == NULL)
785                               memset(buf, '?', 20);
786                     else
787                               memcpy(buf, t0 + 4, 20);
788           }
789 
790           buf[20] = '\0';
791 
792           return(buf);
793 }
794 
795 static void
str_lifetime_byte(struct sadb_lifetime * x,const char * str)796 str_lifetime_byte(struct sadb_lifetime *x, const char *str)
797 {
798           double y;
799           const char *unit;
800           int w;
801 
802           if (x == NULL) {
803                     printf("\t%s: 0(bytes)", str);
804                     return;
805           }
806 
807 #if 0
808           if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
809                     y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
810                     unit = "M";
811                     w = 1;
812           } else if ((x->sadb_lifetime_bytes) / 1024) {
813                     y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
814                     unit = "K";
815                     w = 1;
816           } else {
817                     y = (x->sadb_lifetime_bytes) * 1.0;
818                     unit = "";
819                     w = 0;
820           }
821 #else
822           y = (x->sadb_lifetime_bytes) * 1.0;
823           unit = "";
824           w = 0;
825 #endif
826           printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
827 }
828