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