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 <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_MD5
  59 #define SADB_X_AALG_MD5         SADB_AALG_MD5
  60 #endif
  61 #ifndef SADB_X_AALG_SHA
  62 #define SADB_X_AALG_SHA         SADB_AALG_SHA
  63 #endif
  64 #ifndef SADB_X_AALG_NULL
  65 #define SADB_X_AALG_NULL        SADB_AALG_NULL
  66 #endif
  67
  68 #ifndef SADB_X_EALG_BLOWFISHCBC
  69 #define SADB_X_EALG_BLOWFISHCBC SADB_EALG_BLOWFISHCBC
  70 #endif
  71 #ifndef SADB_X_EALG_CAST128CBC
  72 #define SADB_X_EALG_CAST128CBC  SADB_EALG_CAST128CBC
  73 #endif
  74 #ifndef SADB_X_EALG_RC5CBC
  75 #ifdef SADB_EALG_RC5CBC
  76 #define SADB_X_EALG_RC5CBC      SADB_EALG_RC5CBC
  77 #endif
  78 #endif
  79
  80 #define GETMSGSTR(str, num) \
  81 do { \
  82         if (sizeof((str)[0]) == 0 \
  83          || num >= sizeof(str)/sizeof((str)[0])) \
  84                 printf("%u ", (num)); \
  85         else if (strlen((str)[(num)]) == 0) \
  86                 printf("%u ", (num)); \
  87         else \
  88                 printf("%s ", (str)[(num)]); \
  89 } while (0)
  90
  91 #define GETMSGV2S(v2s, num) \
  92 do { \
  93         struct val2str *p;  \
  94         for (p = (v2s); p && p->str; p++) { \
  95                 if (p->val == (num)) \
  96                         break; \
  97         } \
  98         if (p && p->str) \
  99                 printf("%s ", p->str); \
 100         else \
 101                 printf("%u ", (num)); \
 102 } while (0)
 103
 104 static char *str_ipaddr(struct sockaddr *);
 105 static char *str_prefport(u_int, u_int, u_int, u_int);
 106 static void str_upperspec(u_int, u_int, u_int);
 107 static char *str_time(time_t);
 108 static void str_lifetime_byte(struct sadb_lifetime *, char *);
 109
 110 struct val2str {
 111         int val;
 112         const char *str;
 113 };
 114
 115 /*
 116  * Must to be re-written about following strings.
 117  */
 118 static char *str_satype[] = {
 119         "unspec",
 120         "unknown",
 121         "ah",
 122         "esp",
 123         "unknown",
 124         "rsvp",
 125         "ospfv2",
 126         "ripv2",
 127         "mip",
 128         "ipcomp",
 129         "policy",
 130         "tcp"
 131 };
 132
 133 static char *str_mode[] = {
 134         "any",
 135         "transport",
 136         "tunnel",
 137 };
 138
 139 static char *str_state[] = {
 140         "larval",
 141         "mature",
 142         "dying",
 143         "dead",
 144 };
 145
 146 static struct val2str str_alg_auth[] = {
 147         { SADB_AALG_NONE, "none", },
 148         { SADB_AALG_MD5HMAC, "hmac-md5", },
 149         { SADB_AALG_SHA1HMAC, "hmac-sha1", },
 150         { SADB_X_AALG_MD5, "md5", },
 151         { SADB_X_AALG_SHA, "sha", },
 152         { SADB_X_AALG_NULL, "null", },
 153         { SADB_X_AALG_TCP_MD5, "tcp-md5", },
 154 #ifdef SADB_X_AALG_SHA2_256
 155         { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
 156 #endif
 157 #ifdef SADB_X_AALG_SHA2_384
 158         { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
 159 #endif
 160 #ifdef SADB_X_AALG_SHA2_512
 161         { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
 162 #endif
 163 #ifdef SADB_X_AALG_RIPEMD160HMAC
 164         { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
 165 #endif
 166 #ifdef SADB_X_AALG_AES_XCBC_MAC
 167         { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
 168 #endif
 169         { -1, NULL, },
 170 };
 171
 172 static struct val2str str_alg_enc[] = {
 173         { SADB_EALG_NONE, "none", },
 174         { SADB_EALG_DESCBC, "des-cbc", },
 175         { SADB_EALG_3DESCBC, "3des-cbc", },
 176         { SADB_EALG_NULL, "null", },
 177 #ifdef SADB_X_EALG_RC5CBC
 178         { SADB_X_EALG_RC5CBC, "rc5-cbc", },
 179 #endif
 180         { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
 181         { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
 182 #ifdef SADB_X_EALG_RIJNDAELCBC
 183         { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
 184 #endif
 185 #ifdef SADB_X_EALG_TWOFISHCBC
 186         { SADB_X_EALG_TWOFISHCBC, "twofish-cbc", },
 187 #endif
 188 #ifdef SADB_X_EALG_AESCTR
 189         { SADB_X_EALG_AESCTR, "aes-ctr", },
 190 #endif
 191 #ifdef SADB_X_EALG_AESGCM16
 192         { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
 193 #endif
 194 #ifdef SADB_X_EALG_CAMELLIACBC
 195         { SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
 196 #endif
 197         { -1, NULL, },
 198 };
 199
 200 static struct val2str str_alg_comp[] = {
 201         { SADB_X_CALG_NONE, "none", },
 202         { SADB_X_CALG_OUI, "oui", },
 203         { SADB_X_CALG_DEFLATE, "deflate", },
 204         { SADB_X_CALG_LZS, "lzs", },
 205         { -1, NULL, },
 206 };
 207
 208 static struct val2str str_sp_scope[] = {
 209         { IPSEC_POLICYSCOPE_GLOBAL, "global" },
 210         { IPSEC_POLICYSCOPE_IFNET, "ifnet" },
 211         { IPSEC_POLICYSCOPE_PCB, "pcb"},
 212         { -1, NULL },
 213 };
 214
 215 /*
 216  * dump SADB_MSG formated.  For debugging, you should use kdebug_sadb().
 217  */
 218 void
 219 pfkey_sadump(m)
 220         struct sadb_msg *m;
 221 {
 222         caddr_t mhp[SADB_EXT_MAX + 1];
 223         struct sadb_sa *m_sa;
 224         struct sadb_x_sa2 *m_sa2;
 225         struct sadb_lifetime *m_lftc, *m_lfth, *m_lfts;
 226         struct sadb_address *m_saddr, *m_daddr, *m_paddr;
 227         struct sadb_key *m_auth, *m_enc;
 228         struct sadb_ident *m_sid, *m_did;
 229         struct sadb_sens *m_sens;
 230         struct sadb_x_sa_replay *m_sa_replay;
 231         struct sadb_x_nat_t_type *natt_type;
 232         struct sadb_x_nat_t_port *natt_sport, *natt_dport;
 233         struct sadb_address *natt_oai, *natt_oar;
 234
 235         /* check pfkey message. */
 236         if (pfkey_align(m, mhp)) {
 237                 printf("%s\n", ipsec_strerror());
 238                 return;
 239         }
 240         if (pfkey_check(mhp)) {
 241                 printf("%s\n", ipsec_strerror());
 242                 return;
 243         }
 244
 245         m_sa = (struct sadb_sa *)mhp[SADB_EXT_SA];
 246         m_sa2 = (struct sadb_x_sa2 *)mhp[SADB_X_EXT_SA2];
 247         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 248         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 249         m_lfts = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_SOFT];
 250         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 251         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 252         m_paddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_PROXY];
 253         m_auth = (struct sadb_key *)mhp[SADB_EXT_KEY_AUTH];
 254         m_enc = (struct sadb_key *)mhp[SADB_EXT_KEY_ENCRYPT];
 255         m_sid = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_SRC];
 256         m_did = (struct sadb_ident *)mhp[SADB_EXT_IDENTITY_DST];
 257         m_sens = (struct sadb_sens *)mhp[SADB_EXT_SENSITIVITY];
 258         m_sa_replay = (struct sadb_x_sa_replay *)mhp[SADB_X_EXT_SA_REPLAY];
 259         natt_type = (struct sadb_x_nat_t_type *)mhp[SADB_X_EXT_NAT_T_TYPE];
 260         natt_sport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_SPORT];
 261         natt_dport = (struct sadb_x_nat_t_port *)mhp[SADB_X_EXT_NAT_T_DPORT];
 262         natt_oai = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAI];
 263         natt_oar = (struct sadb_address *)mhp[SADB_X_EXT_NAT_T_OAR];
 264
 265
 266         /* source address */
 267         if (m_saddr == NULL) {
 268                 printf("no ADDRESS_SRC extension.\n");
 269                 return;
 270         }
 271         printf("%s", str_ipaddr((struct sockaddr *)(m_saddr + 1)));
 272         if (natt_type != NULL && natt_sport != NULL)
 273                 printf("[%u]", ntohs(natt_sport->sadb_x_nat_t_port_port));
 274
 275         /* destination address */
 276         if (m_daddr == NULL) {
 277                 printf("\nno ADDRESS_DST extension.\n");
 278                 return;
 279         }
 280         printf(" %s", str_ipaddr((struct sockaddr *)(m_daddr + 1)));
 281         if (natt_type != NULL && natt_dport != NULL)
 282                 printf("[%u]", ntohs(natt_dport->sadb_x_nat_t_port_port));
 283
 284         /* SA type */
 285         if (m_sa == NULL) {
 286                 printf("\nno SA extension.\n");
 287                 return;
 288         }
 289         if (m_sa2 == NULL) {
 290                 printf("\nno SA2 extension.\n");
 291                 return;
 292         }
 293         printf("\n\t");
 294
 295         if (m->sadb_msg_satype == SADB_SATYPE_ESP && natt_type != NULL)
 296                 printf("esp-udp ");
 297         else
 298                 GETMSGSTR(str_satype, m->sadb_msg_satype);
 299
 300         printf("mode=");
 301         GETMSGSTR(str_mode, m_sa2->sadb_x_sa2_mode);
 302
 303         printf("spi=%u(0x%08x) reqid=%u(0x%08x)\n",
 304                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 305                 (u_int32_t)ntohl(m_sa->sadb_sa_spi),
 306                 (u_int32_t)m_sa2->sadb_x_sa2_reqid,
 307                 (u_int32_t)m_sa2->sadb_x_sa2_reqid);
 308
 309         /* other NAT-T information */
 310         if (natt_type != NULL && (natt_oai != NULL || natt_oar != NULL)) {
 311                 printf("\tNAT:");
 312                 if (natt_oai != NULL)
 313                         printf(" OAI=%s",
 314                             str_ipaddr((struct sockaddr *)(natt_oai + 1)));
 315                 if (natt_oar != NULL)
 316                         printf(" OAR=%s",
 317                             str_ipaddr((struct sockaddr *)(natt_oar + 1)));
 318                 printf("\n");
 319         }
 320
 321         /* encryption key */
 322         if (m->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) {
 323                 printf("\tC: ");
 324                 GETMSGV2S(str_alg_comp, m_sa->sadb_sa_encrypt);
 325         } else if (m->sadb_msg_satype == SADB_SATYPE_ESP) {
 326                 if (m_enc != NULL) {
 327                         printf("\tE: ");
 328                         GETMSGV2S(str_alg_enc, m_sa->sadb_sa_encrypt);
 329                         ipsec_hexdump((caddr_t)m_enc + sizeof(*m_enc),
 330                                       m_enc->sadb_key_bits / 8);
 331                         printf("\n");
 332                 }
 333         }
 334
 335         /* authentication key */
 336         if (m_auth != NULL) {
 337                 printf("\tA: ");
 338                 GETMSGV2S(str_alg_auth, m_sa->sadb_sa_auth);
 339                 ipsec_hexdump((caddr_t)m_auth + sizeof(*m_auth),
 340                               m_auth->sadb_key_bits / 8);
 341                 printf("\n");
 342         }
 343
 344         /* replay windoe size & flags */
 345         printf("\tseq=0x%08x replay=%u flags=0x%08x ",
 346                 m_sa2->sadb_x_sa2_sequence,
 347                 m_sa_replay ? (m_sa_replay->sadb_x_sa_replay_replay >> 3) :
 348                         m_sa->sadb_sa_replay,
 349                 m_sa->sadb_sa_flags);
 350
 351         /* state */
 352         printf("state=");
 353         GETMSGSTR(str_state, m_sa->sadb_sa_state);
 354         printf("\n");
 355
 356         /* lifetime */
 357         if (m_lftc != NULL) {
 358                 time_t tmp_time = time(0);
 359
 360                 printf("\tcreated: %s",
 361                         str_time(m_lftc->sadb_lifetime_addtime));
 362                 printf("\tcurrent: %s\n", str_time(tmp_time));
 363                 printf("\tdiff: %lu(s)",
 364                         (u_long)(m_lftc->sadb_lifetime_addtime == 0 ?
 365                         0 : (tmp_time - m_lftc->sadb_lifetime_addtime)));
 366
 367                 printf("\thard: %lu(s)",
 368                         (u_long)(m_lfth == NULL ?
 369                         0 : m_lfth->sadb_lifetime_addtime));
 370                 printf("\tsoft: %lu(s)\n",
 371                         (u_long)(m_lfts == NULL ?
 372                         0 : m_lfts->sadb_lifetime_addtime));
 373
 374                 printf("\tlast: %s",
 375                         str_time(m_lftc->sadb_lifetime_usetime));
 376                 printf("\thard: %lu(s)",
 377                         (u_long)(m_lfth == NULL ?
 378                         0 : m_lfth->sadb_lifetime_usetime));
 379                 printf("\tsoft: %lu(s)\n",
 380                         (u_long)(m_lfts == NULL ?
 381                         0 : m_lfts->sadb_lifetime_usetime));
 382
 383                 str_lifetime_byte(m_lftc, "current");
 384                 str_lifetime_byte(m_lfth, "hard");
 385                 str_lifetime_byte(m_lfts, "soft");
 386                 printf("\n");
 387
 388                 printf("\tallocated: %lu",
 389                         (unsigned long)m_lftc->sadb_lifetime_allocations);
 390                 printf("\thard: %lu",
 391                         (u_long)(m_lfth == NULL ?
 392                         0 : m_lfth->sadb_lifetime_allocations));
 393                 printf("\tsoft: %lu\n",
 394                         (u_long)(m_lfts == NULL ?
 395                         0 : m_lfts->sadb_lifetime_allocations));
 396         }
 397
 398         printf("\tsadb_seq=%lu pid=%lu ",
 399                 (u_long)m->sadb_msg_seq,
 400                 (u_long)m->sadb_msg_pid);
 401
 402         /* XXX DEBUG */
 403         printf("refcnt=%u\n", m->sadb_msg_reserved);
 404
 405         return;
 406 }
 407
 408 void
 409 pfkey_spdump(struct sadb_msg *m)
 410 {
 411         char pbuf[NI_MAXSERV];
 412         caddr_t mhp[SADB_EXT_MAX + 1];
 413         struct sadb_address *m_saddr, *m_daddr;
 414         struct sadb_x_policy *m_xpl;
 415         struct sadb_lifetime *m_lftc = NULL, *m_lfth = NULL;
 416         struct sockaddr *sa;
 417         u_int16_t sport = 0, dport = 0;
 418
 419         /* check pfkey message. */
 420         if (pfkey_align(m, mhp)) {
 421                 printf("%s\n", ipsec_strerror());
 422                 return;
 423         }
 424         if (pfkey_check(mhp)) {
 425                 printf("%s\n", ipsec_strerror());
 426                 return;
 427         }
 428
 429         m_saddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_SRC];
 430         m_daddr = (struct sadb_address *)mhp[SADB_EXT_ADDRESS_DST];
 431         m_xpl = (struct sadb_x_policy *)mhp[SADB_X_EXT_POLICY];
 432         m_lftc = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_CURRENT];
 433         m_lfth = (struct sadb_lifetime *)mhp[SADB_EXT_LIFETIME_HARD];
 434
 435         if (m_saddr && m_daddr) {
 436                 /* source address */
 437                 sa = (struct sockaddr *)(m_saddr + 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                                 sport = 0;      /*XXX*/
 444                         else
 445                                 sport = atoi(pbuf);
 446                         printf("%s%s ", str_ipaddr(sa),
 447                                 str_prefport(sa->sa_family,
 448                                     m_saddr->sadb_address_prefixlen, sport,
 449                                     m_saddr->sadb_address_proto));
 450                         break;
 451                 default:
 452                         printf("unknown-af ");
 453                         break;
 454                 }
 455
 456                 /* destination address */
 457                 sa = (struct sockaddr *)(m_daddr + 1);
 458                 switch (sa->sa_family) {
 459                 case AF_INET:
 460                 case AF_INET6:
 461                         if (getnameinfo(sa, sa->sa_len, NULL, 0,
 462                             pbuf, sizeof(pbuf), NI_NUMERICSERV) != 0)
 463                                 dport = 0;      /*XXX*/
 464                         else
 465                                 dport = atoi(pbuf);
 466                         printf("%s%s ", str_ipaddr(sa),
 467                                 str_prefport(sa->sa_family,
 468                                     m_daddr->sadb_address_prefixlen, dport,
 469                                     m_saddr->sadb_address_proto));
 470                         break;
 471                 default:
 472                         printf("unknown-af ");
 473                         break;
 474                 }
 475
 476                 /* upper layer protocol */
 477                 if (m_saddr->sadb_address_proto !=
 478                     m_daddr->sadb_address_proto) {
 479                         printf("upper layer protocol mismatched.\n");
 480                         return;
 481                 }
 482                 str_upperspec(m_saddr->sadb_address_proto, sport, dport);
 483         }
 484         else
 485                 printf("(no selector, probably per-socket policy) ");
 486
 487         /* policy */
 488     {
 489         char *d_xpl;
 490
 491         if (m_xpl == NULL) {
 492                 printf("no X_POLICY extension.\n");
 493                 return;
 494         }
 495         d_xpl = ipsec_dump_policy((char *)m_xpl, "\n\t");
 496
 497         /* dump SPD */
 498         printf("\n\t%s\n", d_xpl);
 499         free(d_xpl);
 500     }
 501
 502         /* lifetime */
 503         if (m_lftc) {
 504                 printf("\tcreated: %s  ",
 505                         str_time(m_lftc->sadb_lifetime_addtime));
 506                 printf("lastused: %s\n",
 507                         str_time(m_lftc->sadb_lifetime_usetime));
 508         }
 509         if (m_lfth) {
 510                 printf("\tlifetime: %lu(s) ",
 511                         (u_long)m_lfth->sadb_lifetime_addtime);
 512                 printf("validtime: %lu(s)\n",
 513                         (u_long)m_lfth->sadb_lifetime_usetime);
 514         }
 515
 516
 517         printf("\tspid=%ld seq=%ld pid=%ld scope=",
 518                 (u_long)m_xpl->sadb_x_policy_id,
 519                 (u_long)m->sadb_msg_seq,
 520                 (u_long)m->sadb_msg_pid);
 521         GETMSGV2S(str_sp_scope, m_xpl->sadb_x_policy_scope);
 522         if (m_xpl->sadb_x_policy_scope == IPSEC_POLICYSCOPE_IFNET &&
 523             if_indextoname(m_xpl->sadb_x_policy_ifindex, pbuf) != NULL)
 524                 printf("ifname=%s", pbuf);
 525         printf("\n");
 526
 527         /* XXX TEST */
 528         printf("\trefcnt=%u\n", m->sadb_msg_reserved);
 529
 530         return;
 531 }
 532
 533 /*
 534  * set "ipaddress" to buffer.
 535  */
 536 static char *
 537 str_ipaddr(sa)
 538         struct sockaddr *sa;
 539 {
 540         static char buf[NI_MAXHOST];
 541         const int niflag = NI_NUMERICHOST;
 542
 543         if (sa == NULL)
 544                 return "";
 545
 546         if (getnameinfo(sa, sa->sa_len, buf, sizeof(buf), NULL, 0, niflag) == 0)
 547                 return buf;
 548         return NULL;
 549 }
 550
 551 /*
 552  * set "/prefix[port number]" to buffer.
 553  */
 554 static char *
 555 str_prefport(family, pref, port, ulp)
 556         u_int family, pref, port, ulp;
 557 {
 558         static char buf[128];
 559         char prefbuf[128];
 560         char portbuf[128];
 561         int plen;
 562
 563         switch (family) {
 564         case AF_INET:
 565                 plen = sizeof(struct in_addr) << 3;
 566                 break;
 567         case AF_INET6:
 568                 plen = sizeof(struct in6_addr) << 3;
 569                 break;
 570         default:
 571                 return "?";
 572         }
 573
 574         if (pref == plen)
 575                 prefbuf[0] = '\0';
 576         else
 577                 snprintf(prefbuf, sizeof(prefbuf), "/%u", pref);
 578
 579         if (ulp == IPPROTO_ICMPV6)
 580                 memset(portbuf, 0, sizeof(portbuf));
 581         else {
 582                 if (port == IPSEC_PORT_ANY)
 583                         snprintf(portbuf, sizeof(portbuf), "[%s]", "any");
 584                 else
 585                         snprintf(portbuf, sizeof(portbuf), "[%u]", port);
 586         }
 587
 588         snprintf(buf, sizeof(buf), "%s%s", prefbuf, portbuf);
 589
 590         return buf;
 591 }
 592
 593 static void
 594 str_upperspec(ulp, p1, p2)
 595         u_int ulp, p1, p2;
 596 {
 597         if (ulp == IPSEC_ULPROTO_ANY)
 598                 printf("any");
 599         else if (ulp == IPPROTO_ICMPV6) {
 600                 printf("icmp6");
 601                 if (!(p1 == IPSEC_PORT_ANY && p2 == IPSEC_PORT_ANY))
 602                         printf(" %u,%u", p1, p2);
 603         } else {
 604                 struct protoent *ent;
 605
 606                 switch (ulp) {
 607                 case IPPROTO_IPV4:
 608                         printf("ip4");
 609                         break;
 610                 default:
 611                         ent = getprotobynumber(ulp);
 612                         if (ent)
 613                                 printf("%s", ent->p_name);
 614                         else
 615                                 printf("%u", ulp);
 616
 617                         endprotoent();
 618                         break;
 619                 }
 620         }
 621 }
 622
 623 /*
 624  * set "Mon Day Time Year" to buffer
 625  */
 626 static char *
 627 str_time(t)
 628         time_t t;
 629 {
 630         static char buf[128];
 631
 632         if (t == 0) {
 633                 int i = 0;
 634                 for (;i < 20;) buf[i++] = ' ';
 635         } else {
 636                 char *t0;
 637                 t0 = ctime(&t);
 638                 memcpy(buf, t0 + 4, 20);
 639         }
 640
 641         buf[20] = '\0';
 642
 643         return(buf);
 644 }
 645
 646 static void
 647 str_lifetime_byte(x, str)
 648         struct sadb_lifetime *x;
 649         char *str;
 650 {
 651         double y;
 652         char *unit;
 653         int w;
 654
 655         if (x == NULL) {
 656                 printf("\t%s: 0(bytes)", str);
 657                 return;
 658         }
 659
 660 #if 0
 661         if ((x->sadb_lifetime_bytes) / 1024 / 1024) {
 662                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024 / 1024;
 663                 unit = "M";
 664                 w = 1;
 665         } else if ((x->sadb_lifetime_bytes) / 1024) {
 666                 y = (x->sadb_lifetime_bytes) * 1.0 / 1024;
 667                 unit = "K";
 668                 w = 1;
 669         } else {
 670                 y = (x->sadb_lifetime_bytes) * 1.0;
 671                 unit = "";
 672                 w = 0;
 673         }
 674 #else
 675         y = (x->sadb_lifetime_bytes) * 1.0;
 676         unit = "";
 677         w = 0;
 678 #endif
 679         printf("\t%s: %.*f(%sbytes)", str, w, y, unit);
 680 }