lib/libipsec/pfkey_dump.c

   1 /*      $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $     */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __FBSDID("$FreeBSD$");
  34
  35 #include <sys/types.h>
  36 #include <sys/param.h>
  37 #include <sys/socket.h>
  38 #include <netipsec/ipsec.h>
  39 #include <net/pfkeyv2.h>
  40 #include <netipsec/key_var.h>
  41 #include <netipsec/key_debug.h>
  42
  43 #include <netinet/in.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("%u ", (num)); \
  84         else if (strlen((str)[(num)]) == 0) \
  85                 printf("%u ", (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("%u ", (num)); \
 101 } while (0)
 102
 103 static char *str_ipaddr(struct sockaddr *);
 104 static char *str_prefport(u_int, u_int, u_int, u_int);
 105 static void str_upperspec(u_int, u_int, u_int);
 106 static char *str_time(time_t);
 107 static void str_lifetime_byte(struct sadb_lifetime *, char *);
 108
 109 struct val2str {
 110         int val;
 111         const char *str;
 112 };
 113
 114 /*
 115  * Must to be re-written about following strings.
 116  */
 117 static char *str_satype[] = {
 118         "unspec",
 119         "unknown",
 120         "ah",
 121         "esp",
 122         "unknown",
 123         "rsvp",
 124         "ospfv2",
 125         "ripv2",
 126         "mip",
 127         "ipcomp",
 128         "policy",
 129         "tcp"
 130 };
 131
 132 static char *str_mode[] = {
 133         "any",
 134         "transport",
 135         "tunnel",
 136 };
 137
 138 static char *str_state[] = {
 139         "larval",
 140         "mature",
 141         "dying",
 142         "dead",
 143 };
 144
 145 static struct val2str str_alg_auth[] = {
 146         { SADB_AALG_NONE, "none", },
 147         { SADB_AALG_MD5HMAC, "hmac-md5", },
 148         { SADB_AALG_SHA1HMAC, "hmac-sha1", },
 149         { SADB_X_AALG_MD5, "md5", },
 150         { SADB_X_AALG_SHA, "sha", },
 151         { SADB_X_AALG_NULL, "null", },
 152         { SADB_X_AALG_TCP_MD5, "tcp-md5", },
 153 #ifdef SADB_X_AALG_SHA2_256
 154         { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
 155 #endif
 156 #ifdef SADB_X_AALG_SHA2_384
 157         { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
 158 #endif
 159 #ifdef SADB_X_AALG_SHA2_512
 160         { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
 161 #endif
 162 #ifdef SADB_X_AALG_RIPEMD160HMAC
 163         { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
 164 #endif
 165 #ifdef SADB_X_AALG_AES_XCBC_MAC
 166         { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
 167 #endif
 168         { -1, NULL, },
 169 };
 170
 171 static struct val2str str_alg_enc[] = {
 172         { SADB_EALG_NONE, "none", },
 173         { SADB_EALG_DESCBC, "des-cbc", },
 174         { SADB_EALG_3DESCBC, "3des-cbc", },
 175         { SADB_EALG_NULL, "null", },
 176 #ifdef SADB_X_EALG_RC5CBC
 177         { SADB_X_EALG_RC5CBC, "rc5-cbc", },
 178 #endif
 179         { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
 180         { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
 181 #ifdef SADB_X_EALG_RIJNDAELCBC
 182         { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
 183 #endif
 184 #ifdef SADB_X_EALG_TWOFISHCBC
 185         { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
 186 #endif
 187 #ifdef SADB_X_EALG_AESCTR
 188         { SADB_X_EALG_AESCTR, "aes-ctr", },
 189 #endif
 190 #ifdef SADB_X_EALG_AESGCM16
 191         { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
 192 #endif
 193 #ifdef SADB_X_EALG_CAMELLIACBC
 194         { SADB_X_EALG_CAMELLIACBC, "camellia-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         struct sadb_x_sa_replay *m_sa_replay;
 223         struct sadb_x_nat_t_type *natt_type;
 224         struct sadb_x_nat_t_port *natt_sport, *natt_dport;
 225         struct sadb_address *natt_oai, *natt_oar;
 226
 227         /* check pfkey message. */
 228         if (pfkey_align(m, mhp)) {
 229                 printf("%s\n", ipsec_strerror());
 230                 return;
 231         }
 232         if (pfkey_check(mhp)) {
 233                 printf("%s\n", ipsec_strerror());
 234                 return;
 235         }
 236
 237         m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
 238         m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
 239         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 240         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 241         m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
 242         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 243         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 244         m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
 245         m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
 246         m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
 247         m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
 248         m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
 249         m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
 250         m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
 251         natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
 252         natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
 253         natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
 254         natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
 255         natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
 256
 257
 258         /* source address */
 259         if (m_saddr == NULL) {
 260                 printf("no ADDRESS_SRC extension.\n");
 261                 return;
 262         }
 263         printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
 264         if (natt_type != NULL && natt_sport != NULL)
 265                 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
 266
 267         /* destination address */
 268         if (m_daddr == NULL) {
 269                 printf("\nno ADDRESS_DST extension.\n");
 270                 return;
 271         }
 272         printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
 273         if (natt_type != NULL && natt_dport != NULL)
 274                 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
 275
 276         /* SA type */
 277         if (m_sa == NULL) {
 278                 printf("\nno SA extension.\n");
 279                 return;
 280         }
 281         if (m_sa2 == NULL) {
 282                 printf("\nno SA2 extension.\n");
 283                 return;
 284         }
 285         printf("\n\t");
 286
 287         if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
 288                 printf("esp-udp ");
 289         else
 290                 GETMSGSTR(str_satype, m->sadb_msg_satype);
 291
 292         printf("mode=");
 293         GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
 294
 295         printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
 296                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 297                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 298                 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
 299                 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
 300
 301         /* other NAT-T information */
 302         if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
 303                 printf("\tNAT:");
 304                 if (natt_oai != NULL)
 305                         printf(" OAI=%s",
 306                             str_ipaddr((struct sockaddr *)(natt_oai + 1)));
 307                 if (natt_oar != NULL)
 308                         printf(" OAR=%s",
 309                             str_ipaddr((struct sockaddr *)(natt_oar + 1)));
 310                 printf("\n");
 311         }
 312
 313         /* encryption key */
 314         if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
 315                 printf("\tC: ");
 316                 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
 317         } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
 318                 if (m_enc != NULL) {
 319                         printf("\tE: ");
 320                         GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
 321                         ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
 322                                       m_enc->sadb_key_bits / 8);
 323                         printf("\n");
 324                 }
 325         }
 326
 327         /* authentication key */
 328         if (m_auth != NULL) {
 329                 printf("\tA: ");
 330                 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
 331                 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
 332                               m_auth->sadb_key_bits / 8);
 333                 printf("\n");
 334         }
 335
 336         /* replay windoe size & flags */
 337         printf("\tseq=0x%08x replay=%u flags=0x%08x ",
 338                 m_sa2->sadb_x_sa2_sequence,
 339                 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
 340                         m_sa->sadb_sa_replay,
 341                 m_sa->sadb_sa_flags);
 342
 343         /* state */
 344         printf("state=");
 345         GETMSGSTR(str_state, m_sa->sadb_sa_state);
 346         printf("\n");
 347
 348         /* lifetime */
 349         if (m_lftc != NULL) {
 350                 time_t tmp_time = time(0);
 351
 352                 printf("\tcreated: %s",
 353                         str_time(m_lftc->sadb_lifetime_addtime));
 354                 printf("\tcurrent: %s\n", str_time(tmp_time));
 355                 printf("\tdiff: %lu(s)",
 356                         (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
 357                         0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
 358
 359                 printf("\thard: %lu(s)",
 360                         (u_long)(m_lfth == NULL ?
 361                         0 : m_lfth->sadb_lifetime_addtime));
 362                 printf("\tsoft: %lu(s)\n",
 363                         (u_long)(m_lfts == NULL ?
 364                         0 : m_lfts->sadb_lifetime_addtime));
 365
 366                 printf("\tlast: %s",
 367                         str_time(m_lftc->sadb_lifetime_usetime));
 368                 printf("\thard: %lu(s)",
 369                         (u_long)(m_lfth == NULL ?
 370                         0 : m_lfth->sadb_lifetime_usetime));
 371                 printf("\tsoft: %lu(s)\n",
 372                         (u_long)(m_lfts == NULL ?
 373                         0 : m_lfts->sadb_lifetime_usetime));
 374
 375                 str_lifetime_byte(m_lftc, "current");
 376                 str_lifetime_byte(m_lfth, "hard");
 377                 str_lifetime_byte(m_lfts, "soft");
 378                 printf("\n");
 379
 380                 printf("\tallocated: %lu",
 381                         (unsigned long)m_lftc->sadb_lifetime_allocations);
 382                 printf("\thard: %lu",
 383                         (u_long)(m_lfth == NULL ?
 384                         0 : m_lfth->sadb_lifetime_allocations));
 385                 printf("\tsoft: %lu\n",
 386                         (u_long)(m_lfts == NULL ?
 387                         0 : m_lfts->sadb_lifetime_allocations));
 388         }
 389
 390         printf("\tsadb_seq=%lu pid=%lu ",
 391                 (u_long)m->sadb_msg_seq,
 392                 (u_long)m->sadb_msg_pid);
 393
 394         /* XXX DEBUG */
 395         printf("refcnt=%u\n", m->sadb_msg_reserved);
 396
 397         return;
 398 }
 399
 400 void
 401 pfkey_spdump(m)
 402         struct sadb_msg *m;
 403 {
 404         char pbuf[NI_MAXSERV];
 405         caddr_t mhp[SADB_EXT_MAX + 1];
 406         struct sadb_address *m_saddr, *m_daddr;
 407         struct sadb_x_policy *m_xpl;
 408         struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
 409         struct sockaddr *sa;
 410         u_int16_t sport = 0, dport = 0;
 411
 412         /* check pfkey message. */
 413         if (pfkey_align(m, mhp)) {
 414                 printf("%s\n", ipsec_strerror());
 415                 return;
 416         }
 417         if (pfkey_check(mhp)) {
 418                 printf("%s\n", ipsec_strerror());
 419                 return;
 420         }
 421
 422         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 423         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 424         m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
 425         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 426         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 427
 428         if (m_saddr && m_daddr) {
 429                 /* source address */
 430                 sa = (struct sockaddr *)(m_saddr + 1);
 431                 switch (sa->sa_family) {
 432                 case AF_INET:
 433                 case AF_INET6:
 434                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 435                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 436                                 sport = 0;      /*XXX*/
 437                         else
 438                                 sport = atoi(pbuf);
 439                         printf("%s%s ", str_ipaddr(sa),
 440                                 str_prefport(sa->sa_family,
 441                                     m_saddr->sadb_address_prefixlen, sport,
 442                                     m_saddr->sadb_address_proto));
 443                         break;
 444                 default:
 445                         printf("unknown-af ");
 446                         break;
 447                 }
 448
 449                 /* destination address */
 450                 sa = (struct sockaddr *)(m_daddr + 1);
 451                 switch (sa->sa_family) {
 452                 case AF_INET:
 453                 case AF_INET6:
 454                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 455                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 456                                 dport = 0;      /*XXX*/
 457                         else
 458                                 dport = atoi(pbuf);
 459                         printf("%s%s ", str_ipaddr(sa),
 460                                 str_prefport(sa->sa_family,
 461                                     m_daddr->sadb_address_prefixlen, dport,
 462                                     m_saddr->sadb_address_proto));
 463                         break;
 464                 default:
 465                         printf("unknown-af ");
 466                         break;
 467                 }
 468
 469                 /* upper layer protocol */
 470                 if (m_saddr->sadb_address_proto !=
 471                     m_daddr->sadb_address_proto) {
 472                         printf("upper layer protocol mismatched.\n");
 473                         return;
 474                 }
 475                 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
 476         }
 477         else
 478                 printf("(no selector, probably per-socket policy) ");
 479
 480         /* policy */
 481     {
 482         char *d_xpl;
 483
 484         if (m_xpl == NULL) {
 485                 printf("no X_POLICY extension.\n");
 486                 return;
 487         }
 488         d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
 489
 490         /* dump SPD */
 491         printf("\n\t%s\n", d_xpl);
 492         free(d_xpl);
 493     }
 494
 495         /* lifetime */
 496         if (m_lftc) {
 497                 printf("\tcreated: %s  ",
 498                         str_time(m_lftc->sadb_lifetime_addtime));
 499                 printf("lastused: %s\n",
 500                         str_time(m_lftc->sadb_lifetime_usetime));
 501         }
 502         if (m_lfth) {
 503                 printf("\tlifetime: %lu(s) ",
 504                         (u_long)m_lfth->sadb_lifetime_addtime);
 505                 printf("validtime: %lu(s)\n",
 506                         (u_long)m_lfth->sadb_lifetime_usetime);
 507         }
 508
 509
 510         printf("\tspid=%ld seq=%ld pid=%ld\n",
 511                 (u_long)m_xpl->sadb_x_policy_id,
 512                 (u_long)m->sadb_msg_seq,
 513                 (u_long)m->sadb_msg_pid);
 514
 515         /* XXX TEST */
 516         printf("\trefcnt=%u\n", m->sadb_msg_reserved);
 517
 518         return;
 519 }
 520
 521 /*
 522  * set "ipaddress" to buffer.
 523  */
 524 static char *
 525 str_ipaddr(sa)
 526         struct sockaddr *sa;
 527 {
 528         static char buf[NI_MAXHOST];
 529         const int niflag = NI_NUMERICHOST;
 530
 531         if (sa == NULL)
 532                 return "";
 533
 534         if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
 535                 return buf;
 536         return NULL;
 537 }
 538
 539 /*
 540  * set "/prefix[port number]" to buffer.
 541  */
 542 static char *
 543 str_prefport(family, pref, port, ulp)
 544         u_int family, pref, port, ulp;
 545 {
 546         static char buf[128];
 547         char prefbuf[128];
 548         char portbuf[128];
 549         int plen;
 550
 551         switch (family) {
 552         case AF_INET:
 553                 plen = sizeof(struct in_addr) << 3;
 554                 break;
 555         case AF_INET6:
 556                 plen = sizeof(struct in6_addr) << 3;
 557                 break;
 558         default:
 559                 return "?";
 560         }
 561
 562         if (pref == plen)
 563                 prefbuf[0] = '\0';
 564         else
 565                 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
 566
 567         if (ulp == IPPROTO_ICMPV6)
 568                 memset(portbuf, 0, sizeof(portbuf));
 569         else {
 570                 if (port == IPSEC_PORT_ANY)
 571                         snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
 572                 else
 573                         snprintf(portbuf, sizeof(portbuf), "[%u]", port);
 574         }
 575
 576         snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
 577
 578         return buf;
 579 }
 580
 581 static void
 582 str_upperspec(ulp, p1, p2)
 583         u_int ulp, p1, p2;
 584 {
 585         if (ulp == IPSEC_ULPROTO_ANY)
 586                 printf("any");
 587         else if (ulp == IPPROTO_ICMPV6) {
 588                 printf("icmp6");
 589                 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
 590                         printf(" %u,%u", p1, p2);
 591         } else {
 592                 struct protoent *ent;
 593
 594                 switch (ulp) {
 595                 case IPPROTO_IPV4:
 596                         printf("ip4");
 597                         break;
 598                 default:
 599                         ent = getprotobynumber(ulp);
 600                         if (ent)
 601                                 printf("%s", ent->p_name);
 602                         else
 603                                 printf("%u", ulp);
 604
 605                         endprotoent();
 606                         break;
 607                 }
 608         }
 609 }
 610
 611 /*
 612  * set "Mon Day Time Year" to buffer
 613  */
 614 static char *
 615 str_time(t)
 616         time_t t;
 617 {
 618         static char buf[128];
 619
 620         if (t == 0) {
 621                 int i = 0;
 622                 for (;i < 20;) buf[i++] = ' ';
 623         } else {
 624                 char *t0;
 625                 t0 = ctime(&t);
 626                 memcpy(buf, t0 + 4, 20);
 627         }
 628
 629         buf[20] = '\0';
 630
 631         return(buf);
 632 }
 633
 634 static void
 635 str_lifetime_byte(x, str)
 636         struct sadb_lifetime *x;
 637         char *str;
 638 {
 639         double y;
 640         char *unit;
 641         int w;
 642
 643         if (x == NULL) {
 644                 printf("\t%s: 0(bytes)", str);
 645                 return;
 646         }
 647
 648 #if 0
 649         if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
 650                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
 651                 unit = "M";
 652                 w = 1;
 653         } else if ((x->sadb_lifetime_bytes) / 1024) {
 654                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
 655                 unit = "K";
 656                 w = 1;
 657         } else {
 658                 y = (x->sadb_lifetime_bytes) * 1.0;
 659                 unit = "";
 660                 w = 0;
 661         }
 662 #else
 663         y = (x->sadb_lifetime_bytes) * 1.0;
 664         unit = "";
 665         w = 0;
 666 #endif
 667         printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
 668 }