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         { -1, NULL, },
 154 };
 155
 156 static struct val2str str_alg_enc[] = {
 157         { SADB_EALG_NONE, "none", },
 158         { SADB_EALG_NULL, "null", },
 159 #ifdef SADB_X_EALG_RC5CBC
 160         { SADB_X_EALG_RC5CBC, "rc5-cbc", },
 161 #endif
 162 #ifdef SADB_X_EALG_AESCBC
 163         { SADB_X_EALG_AESCBC, "aes-cbc", },
 164 #endif
 165 #ifdef SADB_X_EALG_TWOFISHCBC
 166         { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
 167 #endif
 168 #ifdef SADB_X_EALG_AESCTR
 169         { SADB_X_EALG_AESCTR, "aes-ctr", },
 170 #endif
 171 #ifdef SADB_X_EALG_AESGCM16
 172         { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
 173 #endif
 174         { -1, NULL, },
 175 };
 176
 177 static struct val2str str_alg_comp[] = {
 178         { SADB_X_CALG_NONE, "none", },
 179         { SADB_X_CALG_OUI, "oui", },
 180         { SADB_X_CALG_DEFLATE, "deflate", },
 181         { SADB_X_CALG_LZS, "lzs", },
 182         { -1, NULL, },
 183 };
 184
 185 static struct val2str str_sp_scope[] = {
 186         { IPSEC_POLICYSCOPE_GLOBAL, "global" },
 187         { IPSEC_POLICYSCOPE_IFNET, "ifnet" },
 188         { IPSEC_POLICYSCOPE_PCB, "pcb"},
 189         { -1, NULL },
 190 };
 191
 192 /*
 193  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
 194  */
 195 void
 196 pfkey_sadump(m)
 197         struct sadb_msg *m;
 198 {
 199         caddr_t mhp[SADB_EXT_MAX + 1];
 200         struct sadb_sa *m_sa;
 201         struct sadb_x_sa2 *m_sa2;
 202         struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
 203         struct sadb_address *m_saddr, *m_daddr, *m_paddr;
 204         struct sadb_key *m_auth, *m_enc;
 205         struct sadb_ident *m_sid, *m_did;
 206         struct sadb_sens *m_sens;
 207         struct sadb_x_sa_replay *m_sa_replay;
 208         struct sadb_x_nat_t_type *natt_type;
 209         struct sadb_x_nat_t_port *natt_sport, *natt_dport;
 210         struct sadb_address *natt_oai, *natt_oar;
 211
 212         /* check pfkey message. */
 213         if (pfkey_align(m, mhp)) {
 214                 printf("%s\n", ipsec_strerror());
 215                 return;
 216         }
 217         if (pfkey_check(mhp)) {
 218                 printf("%s\n", ipsec_strerror());
 219                 return;
 220         }
 221
 222         m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
 223         m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
 224         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 225         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 226         m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
 227         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 228         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 229         m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
 230         m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
 231         m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
 232         m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
 233         m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
 234         m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
 235         m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
 236         natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
 237         natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
 238         natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
 239         natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
 240         natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
 241
 242
 243         /* source address */
 244         if (m_saddr == NULL) {
 245                 printf("no ADDRESS_SRC extension.\n");
 246                 return;
 247         }
 248         printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
 249         if (natt_type != NULL && natt_sport != NULL)
 250                 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
 251
 252         /* destination address */
 253         if (m_daddr == NULL) {
 254                 printf("\nno ADDRESS_DST extension.\n");
 255                 return;
 256         }
 257         printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
 258         if (natt_type != NULL && natt_dport != NULL)
 259                 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
 260
 261         /* SA type */
 262         if (m_sa == NULL) {
 263                 printf("\nno SA extension.\n");
 264                 return;
 265         }
 266         if (m_sa2 == NULL) {
 267                 printf("\nno SA2 extension.\n");
 268                 return;
 269         }
 270         printf("\n\t");
 271
 272         if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
 273                 printf("esp-udp ");
 274         else
 275                 GETMSGSTR(str_satype, m->sadb_msg_satype);
 276
 277         printf("mode=");
 278         GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
 279
 280         printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
 281                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 282                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 283                 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
 284                 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
 285
 286         /* other NAT-T information */
 287         if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
 288                 printf("\tNAT:");
 289                 if (natt_oai != NULL)
 290                         printf(" OAI=%s",
 291                             str_ipaddr((struct sockaddr *)(natt_oai + 1)));
 292                 if (natt_oar != NULL)
 293                         printf(" OAR=%s",
 294                             str_ipaddr((struct sockaddr *)(natt_oar + 1)));
 295                 printf("\n");
 296         }
 297
 298         /* encryption key */
 299         if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
 300                 printf("\tC: ");
 301                 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
 302         } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
 303                 if (m_enc != NULL) {
 304                         printf("\tE: ");
 305                         GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
 306                         ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
 307                                       m_enc->sadb_key_bits / 8);
 308                         printf("\n");
 309                 }
 310         }
 311
 312         /* authentication key */
 313         if (m_auth != NULL) {
 314                 printf("\tA: ");
 315                 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
 316                 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
 317                               m_auth->sadb_key_bits / 8);
 318                 printf("\n");
 319         }
 320
 321         /* replay windoe size & flags */
 322         printf("\tseq=0x%08x replay=%u flags=0x%08x ",
 323                 m_sa2->sadb_x_sa2_sequence,
 324                 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
 325                         m_sa->sadb_sa_replay,
 326                 m_sa->sadb_sa_flags);
 327
 328         /* state */
 329         printf("state=");
 330         GETMSGSTR(str_state, m_sa->sadb_sa_state);
 331         printf("\n");
 332
 333         /* lifetime */
 334         if (m_lftc != NULL) {
 335                 time_t tmp_time = time(0);
 336
 337                 printf("\tcreated: %s",
 338                         str_time(m_lftc->sadb_lifetime_addtime));
 339                 printf("\tcurrent: %s\n", str_time(tmp_time));
 340                 printf("\tdiff: %lu(s)",
 341                         (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
 342                         0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
 343
 344                 printf("\thard: %lu(s)",
 345                         (u_long)(m_lfth == NULL ?
 346                         0 : m_lfth->sadb_lifetime_addtime));
 347                 printf("\tsoft: %lu(s)\n",
 348                         (u_long)(m_lfts == NULL ?
 349                         0 : m_lfts->sadb_lifetime_addtime));
 350
 351                 printf("\tlast: %s",
 352                         str_time(m_lftc->sadb_lifetime_usetime));
 353                 printf("\thard: %lu(s)",
 354                         (u_long)(m_lfth == NULL ?
 355                         0 : m_lfth->sadb_lifetime_usetime));
 356                 printf("\tsoft: %lu(s)\n",
 357                         (u_long)(m_lfts == NULL ?
 358                         0 : m_lfts->sadb_lifetime_usetime));
 359
 360                 str_lifetime_byte(m_lftc, "current");
 361                 str_lifetime_byte(m_lfth, "hard");
 362                 str_lifetime_byte(m_lfts, "soft");
 363                 printf("\n");
 364
 365                 printf("\tallocated: %lu",
 366                         (unsigned long)m_lftc->sadb_lifetime_allocations);
 367                 printf("\thard: %lu",
 368                         (u_long)(m_lfth == NULL ?
 369                         0 : m_lfth->sadb_lifetime_allocations));
 370                 printf("\tsoft: %lu\n",
 371                         (u_long)(m_lfts == NULL ?
 372                         0 : m_lfts->sadb_lifetime_allocations));
 373         }
 374
 375         printf("\tsadb_seq=%lu pid=%lu ",
 376                 (u_long)m->sadb_msg_seq,
 377                 (u_long)m->sadb_msg_pid);
 378
 379         /* XXX DEBUG */
 380         printf("refcnt=%u\n", m->sadb_msg_reserved);
 381
 382         return;
 383 }
 384
 385 void
 386 pfkey_spdump(struct sadb_msg *m)
 387 {
 388         char pbuf[NI_MAXSERV];
 389         caddr_t mhp[SADB_EXT_MAX + 1];
 390         struct sadb_address *m_saddr, *m_daddr;
 391         struct sadb_x_policy *m_xpl;
 392         struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
 393         struct sockaddr *sa;
 394         u_int16_t sport = 0, dport = 0;
 395
 396         /* check pfkey message. */
 397         if (pfkey_align(m, mhp)) {
 398                 printf("%s\n", ipsec_strerror());
 399                 return;
 400         }
 401         if (pfkey_check(mhp)) {
 402                 printf("%s\n", ipsec_strerror());
 403                 return;
 404         }
 405
 406         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 407         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 408         m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
 409         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 410         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 411
 412         if (m_saddr && m_daddr) {
 413                 /* source address */
 414                 sa = (struct sockaddr *)(m_saddr + 1);
 415                 switch (sa->sa_family) {
 416                 case AF_INET:
 417                 case AF_INET6:
 418                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 419                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 420                                 sport = 0;      /*XXX*/
 421                         else
 422                                 sport = atoi(pbuf);
 423                         printf("%s%s ", str_ipaddr(sa),
 424                                 str_prefport(sa->sa_family,
 425                                     m_saddr->sadb_address_prefixlen, sport,
 426                                     m_saddr->sadb_address_proto));
 427                         break;
 428                 default:
 429                         printf("unknown-af ");
 430                         break;
 431                 }
 432
 433                 /* destination address */
 434                 sa = (struct sockaddr *)(m_daddr + 1);
 435                 switch (sa->sa_family) {
 436                 case AF_INET:
 437                 case AF_INET6:
 438                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 439                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 440                                 dport = 0;      /*XXX*/
 441                         else
 442                                 dport = atoi(pbuf);
 443                         printf("%s%s ", str_ipaddr(sa),
 444                                 str_prefport(sa->sa_family,
 445                                     m_daddr->sadb_address_prefixlen, dport,
 446                                     m_saddr->sadb_address_proto));
 447                         break;
 448                 default:
 449                         printf("unknown-af ");
 450                         break;
 451                 }
 452
 453                 /* upper layer protocol */
 454                 if (m_saddr->sadb_address_proto !=
 455                     m_daddr->sadb_address_proto) {
 456                         printf("upper layer protocol mismatched.\n");
 457                         return;
 458                 }
 459                 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
 460         }
 461         else
 462                 printf("(no selector, probably per-socket policy) ");
 463
 464         /* policy */
 465     {
 466         char *d_xpl;
 467
 468         if (m_xpl == NULL) {
 469                 printf("no X_POLICY extension.\n");
 470                 return;
 471         }
 472         d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
 473
 474         /* dump SPD */
 475         printf("\n\t%s\n", d_xpl);
 476         free(d_xpl);
 477     }
 478
 479         /* lifetime */
 480         if (m_lftc) {
 481                 printf("\tcreated: %s  ",
 482                         str_time(m_lftc->sadb_lifetime_addtime));
 483                 printf("lastused: %s\n",
 484                         str_time(m_lftc->sadb_lifetime_usetime));
 485         }
 486         if (m_lfth) {
 487                 printf("\tlifetime: %lu(s) ",
 488                         (u_long)m_lfth->sadb_lifetime_addtime);
 489                 printf("validtime: %lu(s)\n",
 490                         (u_long)m_lfth->sadb_lifetime_usetime);
 491         }
 492
 493
 494         printf("\tspid=%ld seq=%ld pid=%ld scope=",
 495                 (u_long)m_xpl->sadb_x_policy_id,
 496                 (u_long)m->sadb_msg_seq,
 497                 (u_long)m->sadb_msg_pid);
 498         GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
 499         if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
 500             if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
 501                 printf("ifname=%s", pbuf);
 502         printf("\n");
 503
 504         /* XXX TEST */
 505         printf("\trefcnt=%u\n", m->sadb_msg_reserved);
 506
 507         return;
 508 }
 509
 510 /*
 511  * set "ipaddress" to buffer.
 512  */
 513 static char *
 514 str_ipaddr(sa)
 515         struct sockaddr *sa;
 516 {
 517         static char buf[NI_MAXHOST];
 518         const int niflag = NI_NUMERICHOST;
 519
 520         if (sa == NULL)
 521                 return "";
 522
 523         if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
 524                 return buf;
 525         return NULL;
 526 }
 527
 528 /*
 529  * set "/prefix[port number]" to buffer.
 530  */
 531 static char *
 532 str_prefport(family, pref, port, ulp)
 533         u_int family, pref, port, ulp;
 534 {
 535         static char buf[128];
 536         char prefbuf[128];
 537         char portbuf[128];
 538         int plen;
 539
 540         switch (family) {
 541         case AF_INET:
 542                 plen = sizeof(struct in_addr) << 3;
 543                 break;
 544         case AF_INET6:
 545                 plen = sizeof(struct in6_addr) << 3;
 546                 break;
 547         default:
 548                 return "?";
 549         }
 550
 551         if (pref == plen)
 552                 prefbuf[0] = '\0';
 553         else
 554                 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
 555
 556         if (ulp == IPPROTO_ICMPV6)
 557                 memset(portbuf, 0, sizeof(portbuf));
 558         else {
 559                 if (port == IPSEC_PORT_ANY)
 560                         snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
 561                 else
 562                         snprintf(portbuf, sizeof(portbuf), "[%u]", port);
 563         }
 564
 565         snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
 566
 567         return buf;
 568 }
 569
 570 static void
 571 str_upperspec(ulp, p1, p2)
 572         u_int ulp, p1, 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(t)
 605         time_t t;
 606 {
 607         static char buf[128];
 608
 609         if (t == 0) {
 610                 int i = 0;
 611                 for (;i < 20;) buf[i++] = ' ';
 612         } else {
 613                 char *t0;
 614                 t0 = ctime(&t);
 615                 memcpy(buf, t0 + 4, 20);
 616         }
 617
 618         buf[20] = '\0';
 619
 620         return(buf);
 621 }
 622
 623 static void
 624 str_lifetime_byte(x, str)
 625         struct sadb_lifetime *x;
 626         char *str;
 627 {
 628         double y;
 629         char *unit;
 630         int w;
 631
 632         if (x == NULL) {
 633                 printf("\t%s: 0(bytes)", str);
 634                 return;
 635         }
 636
 637 #if 0
 638         if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
 639                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
 640                 unit = "M";
 641                 w = 1;
 642         } else if ((x->sadb_lifetime_bytes) / 1024) {
 643                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
 644                 unit = "K";
 645                 w = 1;
 646         } else {
 647                 y = (x->sadb_lifetime_bytes) * 1.0;
 648                 unit = "";
 649                 w = 0;
 650         }
 651 #else
 652         y = (x->sadb_lifetime_bytes) * 1.0;
 653         unit = "";
 654         w = 0;
 655 #endif
 656         printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
 657 }