usr.bin/netstat/inet.c

   1 /*-
   2  * Copyright (c) 1983, 1988, 1993, 1995
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #if 0
  31 #ifndef lint
  32 static char sccsid[] = "@(#)inet.c      8.5 (Berkeley) 5/24/95";
  33 #endif /* not lint */
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 __FBSDID("$FreeBSD$");
  38
  39 #include <sys/param.h>
  40 #include <sys/queue.h>
  41 #include <sys/domain.h>
  42 #include <sys/protosw.h>
  43 #include <sys/socket.h>
  44 #define _WANT_SOCKET
  45 #include <sys/socketvar.h>
  46 #include <sys/sysctl.h>
  47
  48 #include <net/route.h>
  49 #include <net/if_arp.h>
  50 #include <netinet/in.h>
  51 #include <netinet/in_systm.h>
  52 #include <netinet/ip.h>
  53 #include <netinet/ip_carp.h>
  54 #ifdef INET6
  55 #include <netinet/ip6.h>
  56 #endif /* INET6 */
  57 #include <netinet/in_pcb.h>
  58 #include <netinet/ip_icmp.h>
  59 #include <netinet/icmp_var.h>
  60 #include <netinet/igmp_var.h>
  61 #include <netinet/ip_var.h>
  62 #include <netinet/pim_var.h>
  63 #include <netinet/tcp.h>
  64 #include <netinet/tcpip.h>
  65 #include <netinet/tcp_seq.h>
  66 #define TCPSTATES
  67 #include <netinet/tcp_fsm.h>
  68 #include <netinet/tcp_timer.h>
  69 #include <netinet/tcp_var.h>
  70 #include <netinet/udp.h>
  71 #include <netinet/udp_var.h>
  72
  73 #include <arpa/inet.h>
  74 #include <err.h>
  75 #include <errno.h>
  76 #include <libutil.h>
  77 #include <netdb.h>
  78 #include <stdint.h>
  79 #include <stdio.h>
  80 #include <stdlib.h>
  81 #include <stdbool.h>
  82 #include <string.h>
  83 #include <unistd.h>
  84 #include <libxo/xo.h>
  85 #include "netstat.h"
  86 #include "nl_defs.h"
  87
  88 #define max(a, b) (((a) > (b)) ? (a) : (b))
  89
  90 #ifdef INET
  91 static void inetprint(const char *, struct in_addr *, int, const char *, int,
  92     const int);
  93 #endif
  94 #ifdef INET6
  95 static int udp_done, tcp_done, sdp_done;
  96 #endif /* INET6 */
  97
  98 static int
  99 pcblist_sysctl(int proto, const char *name, char **bufp)
 100 {
 101         const char *mibvar;
 102         char *buf;
 103         size_t len;
 104
 105         switch (proto) {
 106         case IPPROTO_TCP:
 107                 mibvar = "net.inet.tcp.pcblist";
 108                 break;
 109         case IPPROTO_UDP:
 110                 mibvar = "net.inet.udp.pcblist";
 111                 break;
 112         case IPPROTO_DIVERT:
 113                 mibvar = "net.inet.divert.pcblist";
 114                 break;
 115         default:
 116                 mibvar = "net.inet.raw.pcblist";
 117                 break;
 118         }
 119         if (strncmp(name, "sdp", 3) == 0)
 120                 mibvar = "net.inet.sdp.pcblist";
 121         len = 0;
 122         if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
 123                 if (errno != ENOENT)
 124                         xo_warn("sysctl: %s", mibvar);
 125                 return (0);
 126         }
 127         if ((buf = malloc(len)) == NULL) {
 128                 xo_warnx("malloc %lu bytes", (u_long)len);
 129                 return (0);
 130         }
 131         if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
 132                 xo_warn("sysctl: %s", mibvar);
 133                 free(buf);
 134                 return (0);
 135         }
 136         *bufp = buf;
 137         return (1);
 138 }
 139
 140 /*
 141  * Copied directly from uipc_socket2.c.  We leave out some fields that are in
 142  * nested structures that aren't used to avoid extra work.
 143  */
 144 static void
 145 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb)
 146 {
 147         xsb->sb_cc = sb->sb_ccc;
 148         xsb->sb_hiwat = sb->sb_hiwat;
 149         xsb->sb_mbcnt = sb->sb_mbcnt;
 150         xsb->sb_mbmax = sb->sb_mbmax;
 151         xsb->sb_lowat = sb->sb_lowat;
 152         xsb->sb_flags = sb->sb_flags;
 153         xsb->sb_timeo = sb->sb_timeo;
 154 }
 155
 156 int
 157 sotoxsocket(struct socket *so, struct xsocket *xso)
 158 {
 159         struct protosw proto;
 160         struct domain domain;
 161
 162         bzero(xso, sizeof *xso);
 163         xso->xso_len = sizeof *xso;
 164         xso->xso_so = (uintptr_t)so;
 165         xso->so_type = so->so_type;
 166         xso->so_options = so->so_options;
 167         xso->so_linger = so->so_linger;
 168         xso->so_state = so->so_state;
 169         xso->so_pcb = (uintptr_t)so->so_pcb;
 170         if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0)
 171                 return (-1);
 172         xso->xso_protocol = proto.pr_protocol;
 173         if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0)
 174                 return (-1);
 175         xso->xso_family = domain.dom_family;
 176         xso->so_timeo = so->so_timeo;
 177         xso->so_error = so->so_error;
 178         if ((so->so_options & SO_ACCEPTCONN) != 0) {
 179                 xso->so_qlen = so->sol_qlen;
 180                 xso->so_incqlen = so->sol_incqlen;
 181                 xso->so_qlimit = so->sol_qlimit;
 182         } else {
 183                 sbtoxsockbuf(&so->so_snd, &xso->so_snd);
 184                 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv);
 185                 xso->so_oobmark = so->so_oobmark;
 186         }
 187         return (0);
 188 }
 189
 190 /*
 191  * Print a summary of connections related to an Internet
 192  * protocol.  For TCP, also give state of connection.
 193  * Listening processes (aflag) are suppressed unless the
 194  * -a (all) flag is specified.
 195  */
 196 void
 197 protopr(u_long off, const char *name, int af1, int proto)
 198 {
 199         static int first = 1;
 200         int istcp;
 201         char *buf;
 202         const char *vchar;
 203         struct xtcpcb *tp;
 204         struct xinpcb *inp;
 205         struct xinpgen *xig, *oxig;
 206         struct xsocket *so;
 207         int fnamelen, cnamelen;
 208
 209         istcp = 0;
 210         switch (proto) {
 211         case IPPROTO_TCP:
 212 #ifdef INET6
 213                 if (strncmp(name, "sdp", 3) != 0) {
 214                         if (tcp_done != 0)
 215                                 return;
 216                         else
 217                                 tcp_done = 1;
 218                 } else {
 219                         if (sdp_done != 0)
 220                                 return;
 221                         else
 222                                 sdp_done = 1;
 223                 }
 224 #endif
 225                 istcp = 1;
 226                 break;
 227         case IPPROTO_UDP:
 228 #ifdef INET6
 229                 if (udp_done != 0)
 230                         return;
 231                 else
 232                         udp_done = 1;
 233 #endif
 234                 break;
 235         }
 236
 237         if (!pcblist_sysctl(proto, name, &buf))
 238                 return;
 239
 240         if (cflag || Cflag) {
 241                 fnamelen = strlen("Stack");
 242                 cnamelen = strlen("CC");
 243                 oxig = xig = (struct xinpgen *)buf;
 244                 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len);
 245                     xig->xig_len > sizeof(struct xinpgen);
 246                     xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
 247                         if (istcp) {
 248                                 tp = (struct xtcpcb *)xig;
 249                                 inp = &tp->xt_inp;
 250                         } else {
 251                                 continue;
 252                         }
 253                         if (so->xso_protocol != proto)
 254                                 continue;
 255                         if (inp->inp_gencnt > oxig->xig_gen)
 256                                 continue;
 257                         fnamelen = max(fnamelen, (int)strlen(tp->xt_stack));
 258                         cnamelen = max(cnamelen, (int)strlen(tp->xt_cc));
 259                 }
 260         }
 261
 262         oxig = xig = (struct xinpgen *)buf;
 263         for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
 264             xig->xig_len > sizeof(struct xinpgen);
 265             xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
 266                 if (istcp) {
 267                         tp = (struct xtcpcb *)xig;
 268                         inp = &tp->xt_inp;
 269                 } else {
 270                         inp = (struct xinpcb *)xig;
 271                 }
 272                 so = &inp->xi_socket;
 273
 274                 /* Ignore sockets for protocols other than the desired one. */
 275                 if (so->xso_protocol != proto)
 276                         continue;
 277
 278                 /* Ignore PCBs which were freed during copyout. */
 279                 if (inp->inp_gencnt > oxig->xig_gen)
 280                         continue;
 281
 282                 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
 283 #ifdef INET6
 284                     || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
 285 #endif /* INET6 */
 286                     || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
 287 #ifdef INET6
 288                                           && (inp->inp_vflag & INP_IPV6) == 0
 289 #endif /* INET6 */
 290                         ))
 291                     )
 292                         continue;
 293                 if (!aflag &&
 294                     (
 295                      (istcp && tp->t_state == TCPS_LISTEN)
 296                      || (af1 == AF_INET &&
 297                       inp->inp_laddr.s_addr == INADDR_ANY)
 298 #ifdef INET6
 299                      || (af1 == AF_INET6 &&
 300                          IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
 301 #endif /* INET6 */
 302                      || (af1 == AF_UNSPEC &&
 303                          (((inp->inp_vflag & INP_IPV4) != 0 &&
 304                            inp->inp_laddr.s_addr == INADDR_ANY)
 305 #ifdef INET6
 306                           || ((inp->inp_vflag & INP_IPV6) != 0 &&
 307                               IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
 308 #endif
 309                           ))
 310                      ))
 311                         continue;
 312
 313                 if (first) {
 314                         if (!Lflag) {
 315                                 xo_emit("Active Internet connections");
 316                                 if (aflag)
 317                                         xo_emit(" (including servers)");
 318                         } else
 319                                 xo_emit(
 320         "Current listen queue sizes (qlen/incqlen/maxqlen)");
 321                         xo_emit("\n");
 322                         if (Aflag)
 323                                 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *),
 324                                     "Tcpcb");
 325                         if (Lflag)
 326                                 xo_emit((Aflag && !Wflag) ?
 327                                     "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" :
 328                                     ((!Wflag || af1 == AF_INET) ?
 329                                     "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" :
 330                                     "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"),
 331                                     "Proto", "Listen", "Local Address");
 332                         else if (Tflag)
 333                                 xo_emit((Aflag && !Wflag) ?
 334     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" :
 335                                     ((!Wflag || af1 == AF_INET) ?
 336     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" :
 337     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"),
 338                                     "Proto", "Rexmit", "OOORcv", "0-win",
 339                                     "Local Address", "Foreign Address");
 340                         else {
 341                                 xo_emit((Aflag && !Wflag) ?
 342     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" :
 343                                     ((!Wflag || af1 == AF_INET) ?
 344     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" :
 345     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"),
 346                                     "Proto", "Recv-Q", "Send-Q",
 347                                     "Local Address", "Foreign Address");
 348                                 if (!xflag && !Rflag)
 349                                         xo_emit(" {T:/%-11.11s}", "(state)");
 350                         }
 351                         if (xflag) {
 352                                 xo_emit("{T:/%-6.6s} {T:/%-6.6s} "
 353                                     "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
 354                                     "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}",
 355                                     "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA",
 356                                     "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX");
 357                                 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} "
 358                                     "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}",
 359                                     "rexmt", "persist", "keep", "2msl",
 360                                     "delack", "rcvtime");
 361                         } else if (Rflag) {
 362                                 xo_emit("  {T:/%8.8s} {T:/%5.5s}",
 363                                     "flowid", "ftype");
 364                         }
 365                         if (cflag) {
 366                                 xo_emit(" {T:/%-*.*s}",
 367                                         fnamelen, fnamelen, "Stack");
 368                         }
 369                         if (Cflag)
 370                                 xo_emit(" {T:/%-*.*s} {T:/%10.10s}"
 371                                         " {T:/%10.10s} {T:/%5.5s}"
 372                                         " {T:/%3.3s}", cnamelen,
 373                                         cnamelen, "CC",
 374                                         "cwin",
 375                                         "ssthresh",
 376                                         "MSS",
 377                                         "ECN");
 378                         if (Pflag)
 379                                 xo_emit(" {T:/%s}", "Log ID");
 380                         xo_emit("\n");
 381                         first = 0;
 382                 }
 383                 if (Lflag && so->so_qlimit == 0)
 384                         continue;
 385                 xo_open_instance("socket");
 386                 if (Aflag) {
 387                         if (istcp)
 388                                 xo_emit("{q:address/%*lx} ",
 389                                     2 * (int)sizeof(void *),
 390                                     (u_long)inp->inp_ppcb);
 391                         else
 392                                 xo_emit("{q:address/%*lx} ",
 393                                     2 * (int)sizeof(void *),
 394                                     (u_long)so->so_pcb);
 395                 }
 396 #ifdef INET6
 397                 if ((inp->inp_vflag & INP_IPV6) != 0)
 398                         vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
 399                             "46" : "6";
 400                 else
 401 #endif
 402                 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
 403                     "4" : "";
 404                 if (istcp && (tp->t_flags & TF_TOE) != 0)
 405                         xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar);
 406                 else
 407                         xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar);
 408                 if (Lflag) {
 409                         char buf1[33];
 410
 411                         snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen,
 412                             so->so_incqlen, so->so_qlimit);
 413                         xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1);
 414                 } else if (Tflag) {
 415                         if (istcp)
 416                                 xo_emit("{:sent-retransmit-packets/%6u} "
 417                                     "{:received-out-of-order-packets/%6u} "
 418                                     "{:sent-zero-window/%6u} ",
 419                                     tp->t_sndrexmitpack, tp->t_rcvoopack,
 420                                     tp->t_sndzerowin);
 421                         else
 422                                 xo_emit("{P:/%21s}", "");
 423                 } else {
 424                         xo_emit("{:receive-bytes-waiting/%6u} "
 425                             "{:send-bytes-waiting/%6u} ",
 426                             so->so_rcv.sb_cc, so->so_snd.sb_cc);
 427                 }
 428                 if (numeric_port) {
 429 #ifdef INET
 430                         if (inp->inp_vflag & INP_IPV4) {
 431                                 inetprint("local", &inp->inp_laddr,
 432                                     (int)inp->inp_lport, name, 1, af1);
 433                                 if (!Lflag)
 434                                         inetprint("remote", &inp->inp_faddr,
 435                                             (int)inp->inp_fport, name, 1, af1);
 436                         }
 437 #endif
 438 #if defined(INET) && defined(INET6)
 439                         else
 440 #endif
 441 #ifdef INET6
 442                         if (inp->inp_vflag & INP_IPV6) {
 443                                 inet6print("local", &inp->in6p_laddr,
 444                                     (int)inp->inp_lport, name, 1);
 445                                 if (!Lflag)
 446                                         inet6print("remote", &inp->in6p_faddr,
 447                                             (int)inp->inp_fport, name, 1);
 448                         } /* else nothing printed now */
 449 #endif /* INET6 */
 450                 } else if (inp->inp_flags & INP_ANONPORT) {
 451 #ifdef INET
 452                         if (inp->inp_vflag & INP_IPV4) {
 453                                 inetprint("local", &inp->inp_laddr,
 454                                     (int)inp->inp_lport, name, 1, af1);
 455                                 if (!Lflag)
 456                                         inetprint("remote", &inp->inp_faddr,
 457                                             (int)inp->inp_fport, name, 0, af1);
 458                         }
 459 #endif
 460 #if defined(INET) && defined(INET6)
 461                         else
 462 #endif
 463 #ifdef INET6
 464                         if (inp->inp_vflag & INP_IPV6) {
 465                                 inet6print("local", &inp->in6p_laddr,
 466                                     (int)inp->inp_lport, name, 1);
 467                                 if (!Lflag)
 468                                         inet6print("remote", &inp->in6p_faddr,
 469                                             (int)inp->inp_fport, name, 0);
 470                         } /* else nothing printed now */
 471 #endif /* INET6 */
 472                 } else {
 473 #ifdef INET
 474                         if (inp->inp_vflag & INP_IPV4) {
 475                                 inetprint("local", &inp->inp_laddr,
 476                                     (int)inp->inp_lport, name, 0, af1);
 477                                 if (!Lflag)
 478                                         inetprint("remote", &inp->inp_faddr,
 479                                             (int)inp->inp_fport, name,
 480                                             inp->inp_lport != inp->inp_fport,
 481                                             af1);
 482                         }
 483 #endif
 484 #if defined(INET) && defined(INET6)
 485                         else
 486 #endif
 487 #ifdef INET6
 488                         if (inp->inp_vflag & INP_IPV6) {
 489                                 inet6print("local", &inp->in6p_laddr,
 490                                     (int)inp->inp_lport, name, 0);
 491                                 if (!Lflag)
 492                                         inet6print("remote", &inp->in6p_faddr,
 493                                             (int)inp->inp_fport, name,
 494                                             inp->inp_lport != inp->inp_fport);
 495                         } /* else nothing printed now */
 496 #endif /* INET6 */
 497                 }
 498                 if (xflag) {
 499                         xo_emit("{:receive-high-water/%6u} "
 500                             "{:send-high-water/%6u} "
 501                             "{:receive-low-water/%6u} {:send-low-water/%6u} "
 502                             "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} "
 503                             "{:receive-mbuf-bytes-max/%6u} "
 504                             "{:send-mbuf-bytes-max/%6u}",
 505                             so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat,
 506                             so->so_rcv.sb_lowat, so->so_snd.sb_lowat,
 507                             so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt,
 508                             so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax);
 509                         if (istcp)
 510                                 xo_emit(" {:retransmit-timer/%4d.%02d} "
 511                                     "{:persist-timer/%4d.%02d} "
 512                                     "{:keepalive-timer/%4d.%02d} "
 513                                     "{:msl2-timer/%4d.%02d} "
 514                                     "{:delay-ack-timer/%4d.%02d} "
 515                                     "{:inactivity-timer/%4d.%02d}",
 516                                     tp->tt_rexmt / 1000,
 517                                     (tp->tt_rexmt % 1000) / 10,
 518                                     tp->tt_persist / 1000,
 519                                     (tp->tt_persist % 1000) / 10,
 520                                     tp->tt_keep / 1000,
 521                                     (tp->tt_keep % 1000) / 10,
 522                                     tp->tt_2msl / 1000,
 523                                     (tp->tt_2msl % 1000) / 10,
 524                                     tp->tt_delack / 1000,
 525                                     (tp->tt_delack % 1000) / 10,
 526                                     tp->t_rcvtime / 1000,
 527                                     (tp->t_rcvtime % 1000) / 10);
 528                 }
 529                 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) {
 530                         if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
 531                                 xo_emit("{:tcp-state/%-11d}", tp->t_state);
 532                         else {
 533                                 xo_emit("{:tcp-state/%-11s}",
 534                                     tcpstates[tp->t_state]);
 535 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
 536                                 /* Show T/TCP `hidden state' */
 537                                 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
 538                                         xo_emit("{:need-syn-or-fin/*}");
 539 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
 540                         }
 541                 }
 542                 if (Rflag) {
 543                         /* XXX: is this right Alfred */
 544                         xo_emit(" {:flow-id/%08x} {:flow-type/%5d}",
 545                             inp->inp_flowid,
 546                             inp->inp_flowtype);
 547                 }
 548                 if (istcp) {
 549                         if (cflag)
 550                                 xo_emit(" {:stack/%-*.*s}",
 551
 552                                         fnamelen, fnamelen, tp->xt_stack);
 553                         if (Cflag)
 554                                 xo_emit(" {:cc/%-*.*s}"
 555                                         " {:snd-cwnd/%10lu}"
 556                                         " {:snd-ssthresh/%10lu}"
 557                                         " {:t-maxseg/%5u} {:ecn/%3s}",
 558                                         cnamelen, cnamelen, tp->xt_cc,
 559                                         tp->t_snd_cwnd, tp->t_snd_ssthresh,
 560                                         tp->t_maxseg,
 561                                         (tp->t_state >= TCPS_ESTABLISHED ?
 562                                             (tp->xt_ecn > 0 ?
 563                                                 (tp->xt_ecn == 1 ?
 564                                                     "ecn" : "ace")
 565                                                 : "off")
 566                                             : "n/a"));
 567                         if (Pflag)
 568                                 xo_emit(" {:log-id/%s}",
 569                                     tp->xt_logid[0] == '\0' ?
 570                                     "-" : tp->xt_logid);
 571                 }
 572                 xo_emit("\n");
 573                 xo_close_instance("socket");
 574         }
 575         if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
 576                 if (oxig->xig_count > xig->xig_count) {
 577                         xo_emit("Some {d:lost/%s} sockets may have been "
 578                             "deleted.\n", name);
 579                 } else if (oxig->xig_count < xig->xig_count) {
 580                         xo_emit("Some {d:created/%s} sockets may have been "
 581                             "created.\n", name);
 582                 } else {
 583                         xo_emit("Some {d:changed/%s} sockets may have been "
 584                             "created or deleted.\n", name);
 585                 }
 586         }
 587         free(buf);
 588 }
 589
 590 /*
 591  * Dump TCP statistics structure.
 592  */
 593 void
 594 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 595 {
 596         struct tcpstat tcpstat;
 597         uint64_t tcps_states[TCP_NSTATES];
 598
 599 #ifdef INET6
 600         if (tcp_done != 0)
 601                 return;
 602         else
 603                 tcp_done = 1;
 604 #endif
 605
 606         if (fetch_stats("net.inet.tcp.stats", off, &tcpstat,
 607             sizeof(tcpstat), kread_counters) != 0)
 608                 return;
 609
 610         if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value,
 611             &tcps_states, sizeof(tcps_states), kread_counters) != 0)
 612                 return;
 613
 614         xo_open_container("tcp");
 615         xo_emit("{T:/%s}:\n", name);
 616
 617 #define p(f, m) if (tcpstat.f || sflag <= 1)                            \
 618         xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f))
 619 #define p1a(f, m) if (tcpstat.f || sflag <= 1)                          \
 620         xo_emit(m, (uintmax_t )tcpstat.f)
 621 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1)       \
 622         xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1),          \
 623             (uintmax_t )tcpstat.f2, plural(tcpstat.f2))
 624 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1)      \
 625         xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1),          \
 626             (uintmax_t )tcpstat.f2)
 627 #define p3(f, m) if (tcpstat.f || sflag <= 1)                           \
 628         xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f))
 629
 630         p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n");
 631         p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} "
 632             "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n");
 633         p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t"
 634             "{:sent-retransmitted-packets/%ju} {N:/data packet%s} "
 635             "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) "
 636             "{N:retransmitted}\n");
 637         p(tcps_sndrexmitbad, "\t\t"
 638             "{:sent-unnecessary-retransmitted-packets/%ju} "
 639             "{N:/data packet%s unnecessarily retransmitted}\n");
 640         p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} "
 641             "{N:/resend%s initiated by MTU discovery}\n");
 642         p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} "
 643             "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} "
 644             "{N:delayed})\n");
 645         p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} "
 646             "{N:/URG only packet%s}\n");
 647         p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} "
 648             "{N:/window probe packet%s}\n");
 649         p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} "
 650             "{N:/window update packet%s}\n");
 651         p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} "
 652             "{N:/control packet%s}\n");
 653         p(tcps_rcvtotal, "\t{:received-packets/%ju} "
 654             "{N:/packet%s received}\n");
 655         p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t"
 656             "{:received-ack-packets/%ju} {N:/ack%s} "
 657             "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n");
 658         p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} "
 659             "{N:/duplicate ack%s}\n");
 660         p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} "
 661             "{N:/UDP tunneled pkt%s}\n");
 662         p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} "
 663             "{N:/UDP tunneled pkt cnt with error%s}\n");
 664         p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} "
 665             "{N:/ack%s for unsent data}\n");
 666         p2(tcps_rcvpack, tcps_rcvbyte, "\t\t"
 667             "{:received-in-sequence-packets/%ju} {N:/packet%s} "
 668             "({:received-in-sequence-bytes/%ju} {N:/byte%s}) "
 669             "{N:received in-sequence}\n");
 670         p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t"
 671             "{:received-completely-duplicate-packets/%ju} "
 672             "{N:/completely duplicate packet%s} "
 673             "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n");
 674         p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} "
 675             "{N:/old duplicate packet%s}\n");
 676         p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t"
 677             "{:received-some-duplicate-packets/%ju} "
 678             "{N:/packet%s with some dup. data} "
 679             "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n");
 680         p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} "
 681             "{N:/out-of-order packet%s} "
 682             "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n");
 683         p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t"
 684             "{:received-after-window-packets/%ju} {N:/packet%s} "
 685             "({:received-after-window-bytes/%ju} {N:/byte%s}) "
 686             "{N:of data after window}\n");
 687         p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} "
 688             "{N:/window probe%s}\n");
 689         p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} "
 690             "{N:/window update packet%s}\n");
 691         p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} "
 692             "{N:/packet%s received with dsack}\n");
 693         p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} "
 694             "{N:/dsack byte%s received (no TLP involved)}\n");
 695         p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} "
 696             "{N:/dsack byte%s received (TLP responsible)}\n");
 697         p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} "
 698             "{N:/packet%s received after close}\n");
 699         p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} "
 700             "{N:/discarded for bad checksum%s}\n");
 701         p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} "
 702             "{N:/discarded for bad header offset field%s}\n");
 703         p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} "
 704             "{N:discarded because packet too short}\n");
 705         p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} "
 706             "{N:discarded due to full reassembly queue}\n");
 707         p(tcps_connattempt, "\t{:connection-requests/%ju} "
 708             "{N:/connection request%s}\n");
 709         p(tcps_accepts, "\t{:connections-accepts/%ju} "
 710             "{N:/connection accept%s}\n");
 711         p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} "
 712             "{N:/bad connection attempt%s}\n");
 713         p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} "
 714             "{N:/listen queue overflow%s}\n");
 715         p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} "
 716             "{N:/ignored RSTs in the window%s}\n");
 717         p(tcps_connects, "\t{:connections-established/%ju} "
 718             "{N:/connection%s established (including accepts)}\n");
 719         p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} "
 720             "{N:/time%s used RTT from hostcache}\n");
 721         p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} "
 722             "{N:/time%s used RTT variance from hostcache}\n");
 723         p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} "
 724             "{N:/time%s used slow-start threshold from hostcache}\n");
 725         p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} "
 726             "{N:/connection%s closed (including} "
 727             "{:connection-drops/%ju} {N:/drop%s})\n");
 728         p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} "
 729             "{N:/connection%s updated cached RTT on close}\n");
 730         p(tcps_cachedrttvar, "\t\t"
 731             "{:connections-updated-variance-on-close/%ju} "
 732             "{N:/connection%s updated cached RTT variance on close}\n");
 733         p(tcps_cachedssthresh, "\t\t"
 734             "{:connections-updated-ssthresh-on-close/%ju} "
 735             "{N:/connection%s updated cached ssthresh on close}\n");
 736         p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} "
 737             "{N:/embryonic connection%s dropped}\n");
 738         p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} "
 739             "{N:/segment%s updated rtt (of} "
 740             "{:segment-update-attempts/%ju} {N:/attempt%s})\n");
 741         p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} "
 742             "{N:/retransmit timeout%s}\n");
 743         p(tcps_timeoutdrop, "\t\t"
 744             "{:connections-dropped-by-retransmit-timeout/%ju} "
 745             "{N:/connection%s dropped by rexmit timeout}\n");
 746         p(tcps_persisttimeo, "\t{:persist-timeout/%ju} "
 747             "{N:/persist timeout%s}\n");
 748         p(tcps_persistdrop, "\t\t"
 749             "{:connections-dropped-by-persist-timeout/%ju} "
 750             "{N:/connection%s dropped by persist timeout}\n");
 751         p(tcps_finwait2_drops, "\t"
 752             "{:connections-dropped-by-finwait2-timeout/%ju} "
 753             "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n");
 754         p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} "
 755             "{N:/keepalive timeout%s}\n");
 756         p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} "
 757             "{N:/keepalive probe%s sent}\n");
 758         p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} "
 759             "{N:/connection%s dropped by keepalive}\n");
 760         p(tcps_predack, "\t{:ack-header-predictions/%ju} "
 761             "{N:/correct ACK header prediction%s}\n");
 762         p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} "
 763             "{N:/correct data packet header prediction%s}\n");
 764
 765         xo_open_container("syncache");
 766
 767         p3(tcps_sc_added, "\t{:entries-added/%ju} "
 768             "{N:/syncache entr%s added}\n");
 769         p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} "
 770             "{N:/retransmitted}\n");
 771         p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n");
 772         p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n");
 773         p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n");
 774         p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} "
 775             "{N:/bucket overflow}\n");
 776         p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} "
 777             "{N:/cache overflow}\n");
 778         p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n");
 779         p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n");
 780         p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n");
 781         p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n");
 782         p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n");
 783         p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n");
 784         p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n");
 785         p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} "
 786             "{N:/cookie%s received}\n");
 787
 788         xo_close_container("syncache");
 789
 790         xo_open_container("hostcache");
 791
 792         p3(tcps_hc_added, "\t{:entries-added/%ju} "
 793             "{N:/hostcache entr%s added}\n");
 794         p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} "
 795             "{N:/bucket overflow}\n");
 796
 797         xo_close_container("hostcache");
 798
 799         xo_open_container("sack");
 800
 801         p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} "
 802             "{N:/SACK recovery episode%s}\n");
 803         p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} "
 804             "{N:/segment rexmit%s in SACK recovery episodes}\n");
 805         p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} "
 806             "{N:/byte rexmit%s in SACK recovery episodes}\n");
 807         p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} "
 808             "{N:/SACK option%s (SACK blocks) received}\n");
 809         p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} "
 810             "{N:/SACK option%s (SACK blocks) sent}\n");
 811         p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} "
 812             "{N:/SACK retransmission%s lost}\n");
 813         p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} "
 814             "{N:/SACK scoreboard overflow}\n");
 815
 816         xo_close_container("sack");
 817         xo_open_container("ecn");
 818
 819         p(tcps_ecn_ce, "\t{:ce-packets/%ju} "
 820             "{N:/packet%s with ECN CE bit set}\n");
 821         p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} "
 822             "{N:/packet%s with ECN ECT(0) bit set}\n");
 823         p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} "
 824             "{N:/packet%s with ECN ECT(1) bit set}\n");
 825         p(tcps_ecn_shs, "\t{:handshakes/%ju} "
 826             "{N:/successful ECN handshake%s}\n");
 827         p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} "
 828             "{N:/time%s ECN reduced the congestion window}\n");
 829
 830         p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} "
 831             "{N:/ACE SYN packet%s with Non-ECT}\n");
 832         p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} "
 833             "{N:/ACE SYN packet%s with ECT0}\n");
 834         p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} "
 835             "{N:/ACE SYN packet%s with ECT1}\n");
 836         p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} "
 837             "{N:/ACE SYN packet%s with CE}\n");
 838
 839         xo_close_container("ecn");
 840         xo_open_container("tcp-signature");
 841         p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} "
 842             "{N:/packet%s with matching signature received}\n");
 843         p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} "
 844             "{N:/packet%s with bad signature received}\n");
 845         p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} "
 846             "{N:/time%s failed to make signature due to no SA}\n");
 847         p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} "
 848             "{N:/time%s unexpected signature received}\n");
 849         p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} "
 850             "{N:/time%s no signature provided by segment}\n");
 851
 852         xo_close_container("tcp-signature");
 853         xo_open_container("pmtud");
 854
 855         p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} "
 856             "{N:/Path MTU discovery black hole detection activation%s}\n");
 857         p(tcps_pmtud_blackhole_activated_min_mss,
 858             "\t{:pmtud-activated-min-mss/%ju} "
 859             "{N:/Path MTU discovery black hole detection min MSS activation%s}\n");
 860         p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} "
 861             "{N:/Path MTU discovery black hole detection failure%s}\n");
 862
 863         xo_close_container("pmtud");
 864         xo_open_container("tw");
 865
 866         p(tcps_tw_responds, "\t{:tw_responds/%ju} "
 867             "{N:/time%s connection in TIME-WAIT responded with ACK}\n");
 868         p(tcps_tw_recycles, "\t{:tw_recycles/%ju} "
 869             "{N:/time%s connection in TIME-WAIT was actively recycled}\n");
 870         p(tcps_tw_resets, "\t{:tw_resets/%ju} "
 871             "{N:/time%s connection in TIME-WAIT responded with RST}\n");
 872
 873         xo_close_container("tw");
 874  #undef p
 875  #undef p1a
 876  #undef p2
 877  #undef p2a
 878  #undef p3
 879
 880         xo_open_container("TCP connection count by state");
 881         xo_emit("{T:/TCP connection count by state}:\n");
 882         for (int i = 0; i < TCP_NSTATES; i++) {
 883                 /*
 884                  * XXXGL: is there a way in libxo to use %s
 885                  * in the "content string" of a format
 886                  * string? I failed to do that, that's why
 887                  * a temporary buffer is used to construct
 888                  * format string for xo_emit().
 889                  */
 890                 char fmtbuf[80];
 891
 892                 if (sflag > 1 && tcps_states[i] == 0)
 893                         continue;
 894                 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} "
 895                     "{Np:/connection ,connections} in %s state\n",
 896                     tcpstates[i], tcpstates[i]);
 897                 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]);
 898         }
 899         xo_close_container("TCP connection count by state");
 900
 901         xo_close_container("tcp");
 902 }
 903
 904 /*
 905  * Dump UDP statistics structure.
 906  */
 907 void
 908 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 909 {
 910         struct udpstat udpstat;
 911         uint64_t delivered;
 912
 913 #ifdef INET6
 914         if (udp_done != 0)
 915                 return;
 916         else
 917                 udp_done = 1;
 918 #endif
 919
 920         if (fetch_stats("net.inet.udp.stats", off, &udpstat,
 921             sizeof(udpstat), kread_counters) != 0)
 922                 return;
 923
 924         xo_open_container("udp");
 925         xo_emit("{T:/%s}:\n", name);
 926
 927 #define p(f, m) if (udpstat.f || sflag <= 1) \
 928         xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f))
 929 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
 930         xo_emit("\t" m, (uintmax_t)udpstat.f)
 931
 932         p(udps_ipackets, "{:received-datagrams/%ju} "
 933             "{N:/datagram%s received}\n");
 934         p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} "
 935             "{N:/with incomplete header}\n");
 936         p1a(udps_badlen, "{:dropped-bad-data-length/%ju} "
 937             "{N:/with bad data length field}\n");
 938         p1a(udps_badsum, "{:dropped-bad-checksum/%ju} "
 939             "{N:/with bad checksum}\n");
 940         p1a(udps_nosum, "{:dropped-no-checksum/%ju} "
 941             "{N:/with no checksum}\n");
 942         p1a(udps_noport, "{:dropped-no-socket/%ju} "
 943             "{N:/dropped due to no socket}\n");
 944         p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} "
 945             "{N:/broadcast\\/multicast datagram%s undelivered}\n");
 946         p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} "
 947             "{N:/dropped due to full socket buffers}\n");
 948         p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} "
 949             "{N:/not for hashed pcb}\n");
 950         delivered = udpstat.udps_ipackets -
 951                     udpstat.udps_hdrops -
 952                     udpstat.udps_badlen -
 953                     udpstat.udps_badsum -
 954                     udpstat.udps_noport -
 955                     udpstat.udps_noportbcast -
 956                     udpstat.udps_fullsock;
 957         if (delivered || sflag <= 1)
 958                 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n",
 959                     (uint64_t)delivered);
 960         p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n");
 961         /* the next statistic is cumulative in udps_noportbcast */
 962         p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} "
 963             "{N:/time%s multicast source filter matched}\n");
 964 #undef p
 965 #undef p1a
 966         xo_close_container("udp");
 967 }
 968
 969 /*
 970  * Dump CARP statistics structure.
 971  */
 972 void
 973 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 974 {
 975         struct carpstats carpstat;
 976
 977         if (fetch_stats("net.inet.carp.stats", off, &carpstat,
 978             sizeof(carpstat), kread_counters) != 0)
 979                 return;
 980
 981         xo_open_container(name);
 982         xo_emit("{T:/%s}:\n", name);
 983
 984 #define p(f, m) if (carpstat.f || sflag <= 1) \
 985         xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f))
 986 #define p2(f, m) if (carpstat.f || sflag <= 1) \
 987         xo_emit(m, (uintmax_t)carpstat.f)
 988
 989         p(carps_ipackets, "\t{:received-inet-packets/%ju} "
 990             "{N:/packet%s received (IPv4)}\n");
 991         p(carps_ipackets6, "\t{:received-inet6-packets/%ju} "
 992             "{N:/packet%s received (IPv6)}\n");
 993         p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} "
 994             "{N:/packet%s discarded for wrong TTL}\n");
 995         p(carps_hdrops, "\t\t{:dropped-short-header/%ju} "
 996             "{N:/packet%s shorter than header}\n");
 997         p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} "
 998             "{N:/discarded for bad checksum%s}\n");
 999         p(carps_badver, "\t\t{:dropped-bad-version/%ju} "
1000             "{N:/discarded packet%s with a bad version}\n");
1001         p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} "
1002             "{N:/discarded because packet too short}\n");
1003         p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} "
1004             "{N:/discarded for bad authentication}\n");
1005         p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} "
1006             "{N:/discarded for bad vhid}\n");
1007         p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} "
1008             "{N:/discarded because of a bad address list}\n");
1009         p(carps_opackets, "\t{:sent-inet-packets/%ju} "
1010             "{N:/packet%s sent (IPv4)}\n");
1011         p(carps_opackets6, "\t{:sent-inet6-packets/%ju} "
1012             "{N:/packet%s sent (IPv6)}\n");
1013         p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} "
1014             "{N:/send failed due to mbuf memory error}\n");
1015 #if notyet
1016         p(carps_ostates, "\t\t{:send-state-updates/%s} "
1017             "{N:/state update%s sent}\n");
1018 #endif
1019 #undef p
1020 #undef p2
1021         xo_close_container(name);
1022 }
1023
1024 /*
1025  * Dump IP statistics structure.
1026  */
1027 void
1028 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1029 {
1030         struct ipstat ipstat;
1031
1032         if (fetch_stats("net.inet.ip.stats", off, &ipstat,
1033             sizeof(ipstat), kread_counters) != 0)
1034                 return;
1035
1036         xo_open_container(name);
1037         xo_emit("{T:/%s}:\n", name);
1038
1039 #define p(f, m) if (ipstat.f || sflag <= 1) \
1040         xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f))
1041 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
1042         xo_emit(m, (uintmax_t )ipstat.f)
1043
1044         p(ips_total, "\t{:received-packets/%ju} "
1045             "{N:/total packet%s received}\n");
1046         p(ips_badsum, "\t{:dropped-bad-checksum/%ju} "
1047             "{N:/bad header checksum%s}\n");
1048         p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} "
1049             "{N:/with size smaller than minimum}\n");
1050         p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} "
1051             "{N:/with data size < data length}\n");
1052         p1a(ips_toolong, "\t{:dropped-too-long/%ju} "
1053             "{N:/with ip length > max ip packet size}\n");
1054         p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} "
1055             "{N:/with header length < data size}\n");
1056         p1a(ips_badlen, "\t{:dropped-short-data/%ju} "
1057             "{N:/with data length < header length}\n");
1058         p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} "
1059             "{N:/with bad options}\n");
1060         p1a(ips_badvers, "\t{:dropped-bad-version/%ju} "
1061             "{N:/with incorrect version number}\n");
1062         p(ips_fragments, "\t{:received-fragments/%ju} "
1063             "{N:/fragment%s received}\n");
1064         p(ips_fragdropped, "\t{:dropped-fragments/%ju} "
1065             "{N:/fragment%s dropped (dup or out of space)}\n");
1066         p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} "
1067             "{N:/fragment%s dropped after timeout}\n");
1068         p(ips_reassembled, "\t{:reassembled-packets/%ju} "
1069             "{N:/packet%s reassembled ok}\n");
1070         p(ips_delivered, "\t{:received-local-packets/%ju} "
1071             "{N:/packet%s for this host}\n");
1072         p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} "
1073             "{N:/packet%s for unknown\\/unsupported protocol}\n");
1074         p(ips_forward, "\t{:forwarded-packets/%ju} "
1075             "{N:/packet%s forwarded}");
1076         p(ips_fastforward, " ({:fast-forwarded-packets/%ju} "
1077             "{N:/packet%s fast forwarded})");
1078         if (ipstat.ips_forward || sflag <= 1)
1079                 xo_emit("\n");
1080         p(ips_cantforward, "\t{:packets-cannot-forward/%ju} "
1081             "{N:/packet%s not forwardable}\n");
1082         p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} "
1083             "{N:/packet%s received for unknown multicast group}\n");
1084         p(ips_redirectsent, "\t{:redirects-sent/%ju} "
1085             "{N:/redirect%s sent}\n");
1086         p(ips_localout, "\t{:sent-packets/%ju} "
1087             "{N:/packet%s sent from this host}\n");
1088         p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} "
1089             "{N:/packet%s sent with fabricated ip header}\n");
1090         p(ips_odropped, "\t{:discard-no-mbufs/%ju} "
1091             "{N:/output packet%s dropped due to no bufs, etc.}\n");
1092         p(ips_noroute, "\t{:discard-no-route/%ju} "
1093             "{N:/output packet%s discarded due to no route}\n");
1094         p(ips_fragmented, "\t{:sent-fragments/%ju} "
1095             "{N:/output datagram%s fragmented}\n");
1096         p(ips_ofragments, "\t{:fragments-created/%ju} "
1097             "{N:/fragment%s created}\n");
1098         p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} "
1099             "{N:/datagram%s that can't be fragmented}\n");
1100         p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} "
1101             "{N:/tunneling packet%s that can't find gif}\n");
1102         p(ips_badaddr, "\t{:discard-bad-address/%ju} "
1103             "{N:/datagram%s with bad address in header}\n");
1104 #undef p
1105 #undef p1a
1106         xo_close_container(name);
1107 }
1108
1109 /*
1110  * Dump ARP statistics structure.
1111  */
1112 void
1113 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1114 {
1115         struct arpstat arpstat;
1116
1117         if (fetch_stats("net.link.ether.arp.stats", off, &arpstat,
1118             sizeof(arpstat), kread_counters) != 0)
1119                 return;
1120
1121         xo_open_container(name);
1122         xo_emit("{T:/%s}:\n", name);
1123
1124 #define p(f, m) if (arpstat.f || sflag <= 1) \
1125         xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f))
1126 #define p2(f, m) if (arpstat.f || sflag <= 1) \
1127         xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f))
1128
1129         p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n");
1130         p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n");
1131         p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n");
1132         p(rxrequests, "{:received-requests/%ju} "
1133             "{N:/ARP request%s received}\n");
1134         p2(rxreplies, "{:received-replies/%ju} "
1135             "{N:/ARP repl%s received}\n");
1136         p(received, "{:received-packets/%ju} "
1137             "{N:/ARP packet%s received}\n");
1138         p(dropped, "{:dropped-no-entry/%ju} "
1139             "{N:/total packet%s dropped due to no ARP entry}\n");
1140         p(timeouts, "{:entries-timeout/%ju} "
1141             "{N:/ARP entry%s timed out}\n");
1142         p(dupips, "{:dropped-duplicate-address/%ju} "
1143             "{N:/Duplicate IP%s seen}\n");
1144 #undef p
1145 #undef p2
1146         xo_close_container(name);
1147 }
1148
1149
1150
1151 static  const char *icmpnames[ICMP_MAXTYPE + 1] = {
1152         "echo reply",                   /* RFC 792 */
1153         "#1",
1154         "#2",
1155         "destination unreachable",      /* RFC 792 */
1156         "source quench",                /* RFC 792 */
1157         "routing redirect",             /* RFC 792 */
1158         "#6",
1159         "#7",
1160         "echo",                         /* RFC 792 */
1161         "router advertisement",         /* RFC 1256 */
1162         "router solicitation",          /* RFC 1256 */
1163         "time exceeded",                /* RFC 792 */
1164         "parameter problem",            /* RFC 792 */
1165         "time stamp",                   /* RFC 792 */
1166         "time stamp reply",             /* RFC 792 */
1167         "information request",          /* RFC 792 */
1168         "information request reply",    /* RFC 792 */
1169         "address mask request",         /* RFC 950 */
1170         "address mask reply",           /* RFC 950 */
1171         "#19",
1172         "#20",
1173         "#21",
1174         "#22",
1175         "#23",
1176         "#24",
1177         "#25",
1178         "#26",
1179         "#27",
1180         "#28",
1181         "#29",
1182         "icmp traceroute",              /* RFC 1393 */
1183         "datagram conversion error",    /* RFC 1475 */
1184         "mobile host redirect",
1185         "IPv6 where-are-you",
1186         "IPv6 i-am-here",
1187         "mobile registration req",
1188         "mobile registration reply",
1189         "domain name request",          /* RFC 1788 */
1190         "domain name reply",            /* RFC 1788 */
1191         "icmp SKIP",
1192         "icmp photuris",                /* RFC 2521 */
1193 };
1194
1195 /*
1196  * Dump ICMP statistics.
1197  */
1198 void
1199 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1200 {
1201         struct icmpstat icmpstat;
1202         size_t len;
1203         int i, first;
1204
1205         if (fetch_stats("net.inet.icmp.stats", off, &icmpstat,
1206             sizeof(icmpstat), kread_counters) != 0)
1207                 return;
1208
1209         xo_open_container(name);
1210         xo_emit("{T:/%s}:\n", name);
1211
1212 #define p(f, m) if (icmpstat.f || sflag <= 1) \
1213         xo_emit(m, icmpstat.f, plural(icmpstat.f))
1214 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
1215         xo_emit(m, icmpstat.f)
1216 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
1217         xo_emit(m, icmpstat.f, plurales(icmpstat.f))
1218
1219         p(icps_error, "\t{:icmp-calls/%lu} "
1220             "{N:/call%s to icmp_error}\n");
1221         p(icps_oldicmp, "\t{:errors-not-from-message/%lu} "
1222             "{N:/error%s not generated in response to an icmp message}\n");
1223
1224         for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1225                 if (icmpstat.icps_outhist[i] != 0) {
1226                         if (first) {
1227                                 xo_open_list("output-histogram");
1228                                 xo_emit("\tOutput histogram:\n");
1229                                 first = 0;
1230                         }
1231                         xo_open_instance("output-histogram");
1232                         if (icmpnames[i] != NULL)
1233                                 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1234                                     icmpnames[i], icmpstat.icps_outhist[i]);
1235                         else
1236                                 xo_emit("\t\tunknown ICMP #{k:name/%d}: "
1237                                     "{:count/%lu}\n",
1238                                     i, icmpstat.icps_outhist[i]);
1239                         xo_close_instance("output-histogram");
1240                 }
1241         }
1242         if (!first)
1243                 xo_close_list("output-histogram");
1244
1245         p(icps_badcode, "\t{:dropped-bad-code/%lu} "
1246             "{N:/message%s with bad code fields}\n");
1247         p(icps_tooshort, "\t{:dropped-too-short/%lu} "
1248             "{N:/message%s less than the minimum length}\n");
1249         p(icps_checksum, "\t{:dropped-bad-checksum/%lu} "
1250             "{N:/message%s with bad checksum}\n");
1251         p(icps_badlen, "\t{:dropped-bad-length/%lu} "
1252             "{N:/message%s with bad length}\n");
1253         p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} "
1254             "{N:/multicast echo requests ignored}\n");
1255         p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} "
1256             "{N:/multicast timestamp requests ignored}\n");
1257
1258         for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1259                 if (icmpstat.icps_inhist[i] != 0) {
1260                         if (first) {
1261                                 xo_open_list("input-histogram");
1262                                 xo_emit("\tInput histogram:\n");
1263                                 first = 0;
1264                         }
1265                         xo_open_instance("input-histogram");
1266                         if (icmpnames[i] != NULL)
1267                                 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1268                                         icmpnames[i],
1269                                         icmpstat.icps_inhist[i]);
1270                         else
1271                                 xo_emit(
1272                         "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n",
1273                                         i, icmpstat.icps_inhist[i]);
1274                         xo_close_instance("input-histogram");
1275                 }
1276         }
1277         if (!first)
1278                 xo_close_list("input-histogram");
1279
1280         p(icps_reflect, "\t{:sent-packets/%lu} "
1281             "{N:/message response%s generated}\n");
1282         p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} "
1283             "{N:/invalid return address%s}\n");
1284         p(icps_noroute, "\t{:discard-no-route/%lu} "
1285             "{N:/no return route%s}\n");
1286 #undef p
1287 #undef p1a
1288 #undef p2
1289         if (live) {
1290                 len = sizeof i;
1291                 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) <
1292                     0)
1293                         return;
1294                 xo_emit("\tICMP address mask responses are "
1295                     "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis");
1296         }
1297
1298         xo_close_container(name);
1299 }
1300
1301 /*
1302  * Dump IGMP statistics structure.
1303  */
1304 void
1305 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1306 {
1307         struct igmpstat igmpstat;
1308         int error, zflag0;
1309
1310         if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat,
1311             sizeof(igmpstat), kread) != 0)
1312                 return;
1313         /*
1314          * Reread net.inet.igmp.stats when zflag == 1.
1315          * This is because this MIB contains version number and
1316          * length of the structure which are not set when clearing
1317          * the counters.
1318          */
1319         zflag0 = zflag;
1320         if (zflag) {
1321                 zflag = 0;
1322                 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat,
1323                     sizeof(igmpstat), kread);
1324                 zflag = zflag0;
1325                 if (error)
1326                         return;
1327         }
1328
1329         if (igmpstat.igps_version != IGPS_VERSION_3) {
1330                 xo_warnx("%s: version mismatch (%d != %d)", __func__,
1331                     igmpstat.igps_version, IGPS_VERSION_3);
1332                 return;
1333         }
1334         if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
1335                 xo_warnx("%s: size mismatch (%d != %d)", __func__,
1336                     igmpstat.igps_len, IGPS_VERSION3_LEN);
1337                 return;
1338         }
1339
1340         xo_open_container(name);
1341         xo_emit("{T:/%s}:\n", name);
1342
1343 #define p64(f, m) if (igmpstat.f || sflag <= 1) \
1344         xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f))
1345 #define py64(f, m) if (igmpstat.f || sflag <= 1) \
1346         xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f))
1347
1348         p64(igps_rcv_total, "\t{:received-messages/%ju} "
1349             "{N:/message%s received}\n");
1350         p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1351             "{N:/message%s received with too few bytes}\n");
1352         p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} "
1353             "{N:/message%s received with wrong TTL}\n");
1354         p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1355             "{N:/message%s received with bad checksum}\n");
1356         py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} "
1357             "{N:/V1\\/V2 membership quer%s received}\n");
1358         py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} "
1359             "{N:/V3 membership quer%s received}\n");
1360         py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} "
1361             "{N:/membership quer%s received with invalid field(s)}\n");
1362         py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} "
1363             "{N:/general quer%s received}\n");
1364         py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} "
1365             "{N:/group quer%s received}\n");
1366         py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} "
1367             "{N:/group-source quer%s received}\n");
1368         py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} "
1369             "{N:/group-source quer%s dropped}\n");
1370         p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} "
1371             "{N:/membership report%s received}\n");
1372         p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} "
1373             "{N:/membership report%s received with invalid field(s)}\n");
1374         p64(igps_rcv_ourreports, "\t"
1375             "{:received-membership-reports-matching/%ju} "
1376             "{N:/membership report%s received for groups to which we belong}"
1377             "\n");
1378         p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} "
1379             "{N:/V3 report%s received without Router Alert}\n");
1380         p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} "
1381             "{N:/membership report%s sent}\n");
1382 #undef p64
1383 #undef py64
1384         xo_close_container(name);
1385 }
1386
1387 /*
1388  * Dump PIM statistics structure.
1389  */
1390 void
1391 pim_stats(u_long off __unused, const char *name, int af1 __unused,
1392     int proto __unused)
1393 {
1394         struct pimstat pimstat;
1395
1396         if (fetch_stats("net.inet.pim.stats", off, &pimstat,
1397             sizeof(pimstat), kread_counters) != 0)
1398                 return;
1399
1400         xo_open_container(name);
1401         xo_emit("{T:/%s}:\n", name);
1402
1403 #define p(f, m) if (pimstat.f || sflag <= 1) \
1404         xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f))
1405 #define py(f, m) if (pimstat.f || sflag <= 1) \
1406         xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
1407
1408         p(pims_rcv_total_msgs, "\t{:received-messages/%ju} "
1409             "{N:/message%s received}\n");
1410         p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} "
1411             "{N:/byte%s received}\n");
1412         p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1413             "{N:/message%s received with too few bytes}\n");
1414         p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1415             "{N:/message%s received with bad checksum}\n");
1416         p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} "
1417             "{N:/message%s received with bad version}\n");
1418         p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} "
1419             "{N:/data register message%s received}\n");
1420         p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} "
1421             "{N:/data register byte%s received}\n");
1422         p(pims_rcv_registers_wrongiif, "\t"
1423             "{:received-data-register-wrong-interface/%ju} "
1424             "{N:/data register message%s received on wrong iif}\n");
1425         p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} "
1426             "{N:/bad register%s received}\n");
1427         p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} "
1428             "{N:/data register message%s sent}\n");
1429         p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} "
1430             "{N:/data register byte%s sent}\n");
1431 #undef p
1432 #undef py
1433         xo_close_container(name);
1434 }
1435
1436 #ifdef INET
1437 /*
1438  * Pretty print an Internet address (net address + port).
1439  */
1440 static void
1441 inetprint(const char *container, struct in_addr *in, int port,
1442     const char *proto, int num_port, const int af1)
1443 {
1444         struct servent *sp = 0;
1445         char line[80], *cp;
1446         int width;
1447         size_t alen, plen;
1448
1449         if (container)
1450                 xo_open_container(container);
1451
1452         if (Wflag)
1453             snprintf(line, sizeof(line), "%s.", inetname(in));
1454         else
1455             snprintf(line, sizeof(line), "%.*s.",
1456                 (Aflag && !num_port) ? 12 : 16, inetname(in));
1457         alen = strlen(line);
1458         cp = line + alen;
1459         if (!num_port && port)
1460                 sp = getservbyport((int)port, proto);
1461         if (sp || port == 0)
1462                 snprintf(cp, sizeof(line) - alen,
1463                     "%.15s ", sp ? sp->s_name : "*");
1464         else
1465                 snprintf(cp, sizeof(line) - alen,
1466                     "%d ", ntohs((u_short)port));
1467         width = (Aflag && !Wflag) ? 18 :
1468                 ((!Wflag || af1 == AF_INET) ? 22 : 45);
1469         if (Wflag)
1470                 xo_emit("{d:target/%-*s} ", width, line);
1471         else
1472                 xo_emit("{d:target/%-*.*s} ", width, width, line);
1473
1474         plen = strlen(cp) - 1;
1475         alen--;
1476         xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
1477             plen, cp);
1478
1479         if (container)
1480                 xo_close_container(container);
1481 }
1482
1483 /*
1484  * Construct an Internet address representation.
1485  * If numeric_addr has been supplied, give
1486  * numeric value, otherwise try for symbolic name.
1487  */
1488 char *
1489 inetname(struct in_addr *inp)
1490 {
1491         char *cp;
1492         static char line[MAXHOSTNAMELEN];
1493         struct hostent *hp;
1494
1495         cp = 0;
1496         if (!numeric_addr && inp->s_addr != INADDR_ANY) {
1497                 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
1498                 if (hp) {
1499                         cp = hp->h_name;
1500                         trimdomain(cp, strlen(cp));
1501                 }
1502         }
1503         if (inp->s_addr == INADDR_ANY)
1504                 strcpy(line, "*");
1505         else if (cp) {
1506                 strlcpy(line, cp, sizeof(line));
1507         } else {
1508                 inp->s_addr = ntohl(inp->s_addr);
1509 #define C(x)    ((u_int)((x) & 0xff))
1510                 snprintf(line, sizeof(line), "%u.%u.%u.%u",
1511                     C(inp->s_addr >> 24), C(inp->s_addr >> 16),
1512                     C(inp->s_addr >> 8), C(inp->s_addr));
1513         }
1514         return (line);
1515 }
1516 #endif