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