lib/libipsec/pfkey_dump.c

   1 /*      $KAME: pfkey_dump.c,v 1.45 2003/09/08 10:14:56 itojun Exp $     */
   2
   3 /*-
   4  * SPDX-License-Identifier: BSD-3-Clause
   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/cdefs.h>
  35 __FBSDID("$FreeBSD$");
  36
  37 #include <sys/types.h>
  38 #include <sys/param.h>
  39 #include <sys/socket.h>
  40 #include <net/if.h>
  41 #include <net/pfkeyv2.h>
  42 #include <netipsec/ipsec.h>
  43 #include <netipsec/key_var.h>
  44 #include <netipsec/key_debug.h>
  45
  46 #include <netinet/in.h>
  47 #include <arpa/inet.h>
  48
  49 #include <stdlib.h>
  50 #include <unistd.h>
  51 #include <stdio.h>
  52 #include <string.h>
  53 #include <time.h>
  54 #include <netdb.h>
  55
  56 #include "ipsec_strerror.h"
  57 #include "libpfkey.h"
  58
  59 /* cope with old kame headers - ugly */
  60 #ifndef SADB_X_AALG_NULL
  61 #define SADB_X_AALG_NULL        SADB_AALG_NULL
  62 #endif
  63
  64 #ifndef SADB_X_EALG_RC5CBC
  65 #ifdef SADB_EALG_RC5CBC
  66 #define SADB_X_EALG_RC5CBC      SADB_EALG_RC5CBC
  67 #endif
  68 #endif
  69
  70 #define GETMSGSTR(str, num) \
  71 do { \
  72         if (sizeof((str)[0]) == 0 \
  73          || num >= sizeof(str)/sizeof((str)[0])) \
  74                 printf("%u ", (num)); \
  75         else if (strlen((str)[(num)]) == 0) \
  76                 printf("%u ", (num)); \
  77         else \
  78                 printf("%s ", (str)[(num)]); \
  79 } while (0)
  80
  81 #define GETMSGV2S(v2s, num) \
  82 do { \
  83         struct val2str *p;  \
  84         for (p = (v2s); p && p->str; p++) { \
  85                 if (p->val == (num)) \
  86                         break; \
  87         } \
  88         if (p && p->str) \
  89                 printf("%s ", p->str); \
  90         else \
  91                 printf("%u ", (num)); \
  92 } while (0)
  93
  94 static char *str_ipaddr(struct sockaddr *);
  95 static char *str_prefport(u_int, u_int, u_int, u_int);
  96 static void str_upperspec(u_int, u_int, u_int);
  97 static char *str_time(time_t);
  98 static void str_lifetime_byte(struct sadb_lifetime *, char *);
  99
 100 struct val2str {
 101         int val;
 102         const char *str;
 103 };
 104
 105 /*
 106  * Must to be re-written about following strings.
 107  */
 108 static char *str_satype[] = {
 109         "unspec",
 110         "unknown",
 111         "ah",
 112         "esp",
 113         "unknown",
 114         "rsvp",
 115         "ospfv2",
 116         "ripv2",
 117         "mip",
 118         "ipcomp",
 119         "policy",
 120         "tcp"
 121 };
 122
 123 static char *str_mode[] = {
 124         "any",
 125         "transport",
 126         "tunnel",
 127 };
 128
 129 static char *str_state[] = {
 130         "larval",
 131         "mature",
 132         "dying",
 133         "dead",
 134 };
 135
 136 static struct val2str str_alg_auth[] = {
 137         { SADB_AALG_NONE, "none", },
 138         { SADB_AALG_SHA1HMAC, "hmac-sha1", },
 139         { SADB_X_AALG_NULL, "null", },
 140         { SADB_X_AALG_TCP_MD5, "tcp-md5", },
 141 #ifdef SADB_X_AALG_SHA2_256
 142         { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
 143 #endif
 144 #ifdef SADB_X_AALG_SHA2_384
 145         { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
 146 #endif
 147 #ifdef SADB_X_AALG_SHA2_512
 148         { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
 149 #endif
 150 #ifdef SADB_X_AALG_AES_XCBC_MAC
 151         { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
 152 #endif
 153 #ifdef SADB_X_AALG_CHACHA20POLY1305
 154         { SADB_X_AALG_CHACHA20POLY1305, "chacha20-poly1305", },
 155 #endif
 156         { -1, NULL, },
 157 };
 158
 159 static struct val2str str_alg_enc[] = {
 160         { SADB_EALG_NONE, "none", },
 161         { SADB_EALG_NULL, "null", },
 162 #ifdef SADB_X_EALG_RC5CBC
 163         { SADB_X_EALG_RC5CBC, "rc5-cbc", },
 164 #endif
 165 #ifdef SADB_X_EALG_AESCBC
 166         { SADB_X_EALG_AESCBC, "aes-cbc", },
 167 #endif
 168 #ifdef SADB_X_EALG_TWOFISHCBC
 169         { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
 170 #endif
 171 #ifdef SADB_X_EALG_AESCTR
 172         { SADB_X_EALG_AESCTR, "aes-ctr", },
 173 #endif
 174 #ifdef SADB_X_EALG_AESGCM16
 175         { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
 176 #endif
 177 #ifdef SADB_X_EALG_CHACHA20POLY1305
 178         { SADB_X_EALG_CHACHA20POLY1305, "chacha20-poly1305", },
 179 #endif
 180         { -1, NULL, },
 181 };
 182
 183 static struct val2str str_alg_comp[] = {
 184         { SADB_X_CALG_NONE, "none", },
 185         { SADB_X_CALG_OUI, "oui", },
 186         { SADB_X_CALG_DEFLATE, "deflate", },
 187         { SADB_X_CALG_LZS, "lzs", },
 188         { -1, NULL, },
 189 };
 190
 191 static struct val2str str_sp_scope[] = {
 192         { IPSEC_POLICYSCOPE_GLOBAL, "global" },
 193         { IPSEC_POLICYSCOPE_IFNET, "ifnet" },
 194         { IPSEC_POLICYSCOPE_PCB, "pcb"},
 195         { -1, NULL },
 196 };
 197
 198 /*
 199  * dump SADB_MSG formatted.  For debugging, you should use kdebug_sadb().
 200  */
 201 void
 202 pfkey_sadump(struct sadb_msg *m)
 203 {
 204         caddr_t mhp[SADB_EXT_MAX + 1];
 205         struct sadb_sa *m_sa;
 206         struct sadb_x_sa2 *m_sa2;
 207         struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
 208         struct sadb_address *m_saddr, *m_daddr, *m_paddr;
 209         struct sadb_key *m_auth, *m_enc;
 210         struct sadb_ident *m_sid, *m_did;
 211         struct sadb_sens *m_sens;
 212         struct sadb_x_sa_replay *m_sa_replay;
 213         struct sadb_x_nat_t_type *natt_type;
 214         struct sadb_x_nat_t_port *natt_sport, *natt_dport;
 215         struct sadb_address *natt_oai, *natt_oar;
 216
 217         /* check pfkey message. */
 218         if (pfkey_align(m, mhp)) {
 219                 printf("%s\n", ipsec_strerror());
 220                 return;
 221         }
 222         if (pfkey_check(mhp)) {
 223                 printf("%s\n", ipsec_strerror());
 224                 return;
 225         }
 226
 227         m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
 228         m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
 229         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 230         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 231         m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
 232         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 233         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 234         m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
 235         m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
 236         m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
 237         m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
 238         m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
 239         m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
 240         m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
 241         natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
 242         natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
 243         natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
 244         natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
 245         natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
 246
 247
 248         /* source address */
 249         if (m_saddr == NULL) {
 250                 printf("no ADDRESS_SRC extension.\n");
 251                 return;
 252         }
 253         printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
 254         if (natt_type != NULL && natt_sport != NULL)
 255                 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
 256
 257         /* destination address */
 258         if (m_daddr == NULL) {
 259                 printf("\nno ADDRESS_DST extension.\n");
 260                 return;
 261         }
 262         printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
 263         if (natt_type != NULL && natt_dport != NULL)
 264                 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
 265
 266         /* SA type */
 267         if (m_sa == NULL) {
 268                 printf("\nno SA extension.\n");
 269                 return;
 270         }
 271         if (m_sa2 == NULL) {
 272                 printf("\nno SA2 extension.\n");
 273                 return;
 274         }
 275         printf("\n\t");
 276
 277         if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
 278                 printf("esp-udp ");
 279         else
 280                 GETMSGSTR(str_satype, m->sadb_msg_satype);
 281
 282         printf("mode=");
 283         GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
 284
 285         printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
 286                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 287                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 288                 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
 289                 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
 290
 291         /* other NAT-T information */
 292         if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
 293                 printf("\tNAT:");
 294                 if (natt_oai != NULL)
 295                         printf(" OAI=%s",
 296                             str_ipaddr((struct sockaddr *)(natt_oai + 1)));
 297                 if (natt_oar != NULL)
 298                         printf(" OAR=%s",
 299                             str_ipaddr((struct sockaddr *)(natt_oar + 1)));
 300                 printf("\n");
 301         }
 302
 303         /* encryption key */
 304         if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
 305                 printf("\tC: ");
 306                 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
 307         } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
 308                 if (m_enc != NULL) {
 309                         printf("\tE: ");
 310                         GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
 311                         ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
 312                                       m_enc->sadb_key_bits / 8);
 313                         printf("\n");
 314                 }
 315         }
 316
 317         /* authentication key */
 318         if (m_auth != NULL) {
 319                 printf("\tA: ");
 320                 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
 321                 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
 322                               m_auth->sadb_key_bits / 8);
 323                 printf("\n");
 324         }
 325
 326         /* replay windoe size & flags */
 327         printf("\tseq=0x%08x replay=%u flags=0x%08x ",
 328                 m_sa2->sadb_x_sa2_sequence,
 329                 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
 330                         m_sa->sadb_sa_replay,
 331                 m_sa->sadb_sa_flags);
 332
 333         /* state */
 334         printf("state=");
 335         GETMSGSTR(str_state, m_sa->sadb_sa_state);
 336         printf("\n");
 337
 338         /* lifetime */
 339         if (m_lftc != NULL) {
 340                 time_t tmp_time = time(0);
 341
 342                 printf("\tcreated: %s",
 343                         str_time(m_lftc->sadb_lifetime_addtime));
 344                 printf("\tcurrent: %s\n", str_time(tmp_time));
 345                 printf("\tdiff: %lu(s)",
 346                         (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
 347                         0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
 348
 349                 printf("\thard: %lu(s)",
 350                         (u_long)(m_lfth == NULL ?
 351                         0 : m_lfth->sadb_lifetime_addtime));
 352                 printf("\tsoft: %lu(s)\n",
 353                         (u_long)(m_lfts == NULL ?
 354                         0 : m_lfts->sadb_lifetime_addtime));
 355
 356                 printf("\tlast: %s",
 357                         str_time(m_lftc->sadb_lifetime_usetime));
 358                 printf("\thard: %lu(s)",
 359                         (u_long)(m_lfth == NULL ?
 360                         0 : m_lfth->sadb_lifetime_usetime));
 361                 printf("\tsoft: %lu(s)\n",
 362                         (u_long)(m_lfts == NULL ?
 363                         0 : m_lfts->sadb_lifetime_usetime));
 364
 365                 str_lifetime_byte(m_lftc, "current");
 366                 str_lifetime_byte(m_lfth, "hard");
 367                 str_lifetime_byte(m_lfts, "soft");
 368                 printf("\n");
 369
 370                 printf("\tallocated: %lu",
 371                         (unsigned long)m_lftc->sadb_lifetime_allocations);
 372                 printf("\thard: %lu",
 373                         (u_long)(m_lfth == NULL ?
 374                         0 : m_lfth->sadb_lifetime_allocations));
 375                 printf("\tsoft: %lu\n",
 376                         (u_long)(m_lfts == NULL ?
 377                         0 : m_lfts->sadb_lifetime_allocations));
 378         }
 379
 380         printf("\tsadb_seq=%lu pid=%lu ",
 381                 (u_long)m->sadb_msg_seq,
 382                 (u_long)m->sadb_msg_pid);
 383
 384         /* XXX DEBUG */
 385         printf("refcnt=%u\n", m->sadb_msg_reserved);
 386
 387         return;
 388 }
 389
 390 void
 391 pfkey_spdump(struct sadb_msg *m)
 392 {
 393         char pbuf[NI_MAXSERV];
 394         caddr_t mhp[SADB_EXT_MAX + 1];
 395         struct sadb_address *m_saddr, *m_daddr;
 396         struct sadb_x_policy *m_xpl;
 397         struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
 398         struct sockaddr *sa;
 399         u_int16_t sport = 0, dport = 0;
 400
 401         /* check pfkey message. */
 402         if (pfkey_align(m, mhp)) {
 403                 printf("%s\n", ipsec_strerror());
 404                 return;
 405         }
 406         if (pfkey_check(mhp)) {
 407                 printf("%s\n", ipsec_strerror());
 408                 return;
 409         }
 410
 411         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 412         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 413         m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
 414         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 415         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 416
 417         if (m_saddr && m_daddr) {
 418                 /* source address */
 419                 sa = (struct sockaddr *)(m_saddr + 1);
 420                 switch (sa->sa_family) {
 421                 case AF_INET:
 422                 case AF_INET6:
 423                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 424                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 425                                 sport = 0;      /*XXX*/
 426                         else
 427                                 sport = atoi(pbuf);
 428                         printf("%s%s ", str_ipaddr(sa),
 429                                 str_prefport(sa->sa_family,
 430                                     m_saddr->sadb_address_prefixlen, sport,
 431                                     m_saddr->sadb_address_proto));
 432                         break;
 433                 default:
 434                         printf("unknown-af ");
 435                         break;
 436                 }
 437
 438                 /* destination address */
 439                 sa = (struct sockaddr *)(m_daddr + 1);
 440                 switch (sa->sa_family) {
 441                 case AF_INET:
 442                 case AF_INET6:
 443                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 444                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 445                                 dport = 0;      /*XXX*/
 446                         else
 447                                 dport = atoi(pbuf);
 448                         printf("%s%s ", str_ipaddr(sa),
 449                                 str_prefport(sa->sa_family,
 450                                     m_daddr->sadb_address_prefixlen, dport,
 451                                     m_saddr->sadb_address_proto));
 452                         break;
 453                 default:
 454                         printf("unknown-af ");
 455                         break;
 456                 }
 457
 458                 /* upper layer protocol */
 459                 if (m_saddr->sadb_address_proto !=
 460                     m_daddr->sadb_address_proto) {
 461                         printf("upper layer protocol mismatched.\n");
 462                         return;
 463                 }
 464                 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
 465         }
 466         else
 467                 printf("(no selector, probably per-socket policy) ");
 468
 469         /* policy */
 470     {
 471         char *d_xpl;
 472
 473         if (m_xpl == NULL) {
 474                 printf("no X_POLICY extension.\n");
 475                 return;
 476         }
 477         d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
 478
 479         /* dump SPD */
 480         printf("\n\t%s\n", d_xpl);
 481         free(d_xpl);
 482     }
 483
 484         /* lifetime */
 485         if (m_lftc) {
 486                 printf("\tcreated: %s  ",
 487                         str_time(m_lftc->sadb_lifetime_addtime));
 488                 printf("lastused: %s\n",
 489                         str_time(m_lftc->sadb_lifetime_usetime));
 490         }
 491         if (m_lfth) {
 492                 printf("\tlifetime: %lu(s) ",
 493                         (u_long)m_lfth->sadb_lifetime_addtime);
 494                 printf("validtime: %lu(s)\n",
 495                         (u_long)m_lfth->sadb_lifetime_usetime);
 496         }
 497
 498
 499         printf("\tspid=%ld seq=%ld pid=%ld scope=",
 500                 (u_long)m_xpl->sadb_x_policy_id,
 501                 (u_long)m->sadb_msg_seq,
 502                 (u_long)m->sadb_msg_pid);
 503         GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
 504         if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
 505             if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
 506                 printf("ifname=%s", pbuf);
 507         printf("\n");
 508
 509         /* XXX TEST */
 510         printf("\trefcnt=%u\n", m->sadb_msg_reserved);
 511
 512         return;
 513 }
 514
 515 /*
 516  * set "ipaddress" to buffer.
 517  */
 518 static char *
 519 str_ipaddr(struct sockaddr *sa)
 520 {
 521         static char buf[NI_MAXHOST];
 522         const int niflag = NI_NUMERICHOST;
 523
 524         if (sa == NULL)
 525                 return "";
 526
 527         if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
 528                 return buf;
 529         return NULL;
 530 }
 531
 532 /*
 533  * set "/prefix[port number]" to buffer.
 534  */
 535 static char *
 536 str_prefport(u_int family, u_int pref, u_int port, u_int ulp)
 537 {
 538         static char buf[128];
 539         char prefbuf[128];
 540         char portbuf[128];
 541         int plen;
 542
 543         switch (family) {
 544         case AF_INET:
 545                 plen = sizeof(struct in_addr) << 3;
 546                 break;
 547         case AF_INET6:
 548                 plen = sizeof(struct in6_addr) << 3;
 549                 break;
 550         default:
 551                 return "?";
 552         }
 553
 554         if (pref == plen)
 555                 prefbuf[0] = '\0';
 556         else
 557                 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
 558
 559         if (ulp == IPPROTO_ICMPV6)
 560                 memset(portbuf, 0, sizeof(portbuf));
 561         else {
 562                 if (port == IPSEC_PORT_ANY)
 563                         snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
 564                 else
 565                         snprintf(portbuf, sizeof(portbuf), "[%u]", port);
 566         }
 567
 568         snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
 569
 570         return buf;
 571 }
 572
 573 static void
 574 str_upperspec(u_int ulp, u_int p1, u_int p2)
 575 {
 576         if (ulp == IPSEC_ULPROTO_ANY)
 577                 printf("any");
 578         else if (ulp == IPPROTO_ICMPV6) {
 579                 printf("icmp6");
 580                 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
 581                         printf(" %u,%u", p1, p2);
 582         } else {
 583                 struct protoent *ent;
 584
 585                 switch (ulp) {
 586                 case IPPROTO_IPV4:
 587                         printf("ip4");
 588                         break;
 589                 default:
 590                         ent = getprotobynumber(ulp);
 591                         if (ent)
 592                                 printf("%s", ent->p_name);
 593                         else
 594                                 printf("%u", ulp);
 595
 596                         endprotoent();
 597                         break;
 598                 }
 599         }
 600 }
 601
 602 /*
 603  * set "Mon Day Time Year" to buffer
 604  */
 605 static char *
 606 str_time(time_t t)
 607 {
 608         static char buf[128];
 609
 610         if (t == 0) {
 611                 int i = 0;
 612                 for (;i < 20;) buf[i++] = ' ';
 613         } else {
 614                 char *t0;
 615                 t0 = ctime(&t);
 616                 memcpy(buf, t0 + 4, 20);
 617         }
 618
 619         buf[20] = '\0';
 620
 621         return(buf);
 622 }
 623
 624 static void
 625 str_lifetime_byte(struct sadb_lifetime *x, char *str)
 626 {
 627         double y;
 628         char *unit;
 629         int w;
 630
 631         if (x == NULL) {
 632                 printf("\t%s: 0(bytes)", str);
 633                 return;
 634         }
 635
 636 #if 0
 637         if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
 638                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
 639                 unit = "M";
 640                 w = 1;
 641         } else if ((x->sadb_lifetime_bytes) / 1024) {
 642                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
 643                 unit = "K";
 644                 w = 1;
 645         } else {
 646                 y = (x->sadb_lifetime_bytes) * 1.0;
 647                 unit = "";
 648                 w = 0;
 649         }
 650 #else
 651         y = (x->sadb_lifetime_bytes) * 1.0;
 652         unit = "";
 653         w = 0;
 654 #endif
 655         printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
 656 }