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  * 4. 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 #include <sys/socketvar.h>
  45 #include <sys/sysctl.h>
  46
  47 #include <net/route.h>
  48 #include <net/if_arp.h>
  49 #include <netinet/in.h>
  50 #include <netinet/in_systm.h>
  51 #include <netinet/ip.h>
  52 #include <netinet/ip_carp.h>
  53 #ifdef INET6
  54 #include <netinet/ip6.h>
  55 #endif /* INET6 */
  56 #include <netinet/in_pcb.h>
  57 #include <netinet/ip_icmp.h>
  58 #include <netinet/icmp_var.h>
  59 #include <netinet/igmp_var.h>
  60 #include <netinet/ip_var.h>
  61 #include <netinet/pim_var.h>
  62 #include <netinet/tcp.h>
  63 #include <netinet/tcpip.h>
  64 #include <netinet/tcp_seq.h>
  65 #define TCPSTATES
  66 #include <netinet/tcp_fsm.h>
  67 #include <netinet/tcp_timer.h>
  68 #include <netinet/tcp_var.h>
  69 #include <netinet/udp.h>
  70 #include <netinet/udp_var.h>
  71
  72 #include <arpa/inet.h>
  73 #include <err.h>
  74 #include <errno.h>
  75 #include <libutil.h>
  76 #include <netdb.h>
  77 #include <stdint.h>
  78 #include <stdio.h>
  79 #include <stdlib.h>
  80 #include <stdbool.h>
  81 #include <string.h>
  82 #include <unistd.h>
  83 #include <libxo/xo.h>
  84 #include "netstat.h"
  85
  86 char    *inetname(struct in_addr *);
  87 void    inetprint(const char *, struct in_addr *, int, const char *, int);
  88 #ifdef INET6
  89 static int udp_done, tcp_done, sdp_done;
  90 #endif /* INET6 */
  91
  92 static int
  93 pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused)
  94 {
  95         const char *mibvar;
  96         char *buf;
  97         size_t len;
  98
  99         switch (proto) {
 100         case IPPROTO_TCP:
 101                 mibvar = "net.inet.tcp.pcblist";
 102                 break;
 103         case IPPROTO_UDP:
 104                 mibvar = "net.inet.udp.pcblist";
 105                 break;
 106         case IPPROTO_DIVERT:
 107                 mibvar = "net.inet.divert.pcblist";
 108                 break;
 109         default:
 110                 mibvar = "net.inet.raw.pcblist";
 111                 break;
 112         }
 113         if (strncmp(name, "sdp", 3) == 0)
 114                 mibvar = "net.inet.sdp.pcblist";
 115         len = 0;
 116         if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
 117                 if (errno != ENOENT)
 118                         xo_warn("sysctl: %s", mibvar);
 119                 return (0);
 120         }
 121         if ((buf = malloc(len)) == 0) {
 122                 xo_warnx("malloc %lu bytes", (u_long)len);
 123                 return (0);
 124         }
 125         if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
 126                 xo_warn("sysctl: %s", mibvar);
 127                 free(buf);
 128                 return (0);
 129         }
 130         *bufp = buf;
 131         return (1);
 132 }
 133
 134 /*
 135  * Copied directly from uipc_socket2.c.  We leave out some fields that are in
 136  * nested structures that aren't used to avoid extra work.
 137  */
 138 static void
 139 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb)
 140 {
 141         xsb->sb_cc = sb->sb_ccc;
 142         xsb->sb_hiwat = sb->sb_hiwat;
 143         xsb->sb_mbcnt = sb->sb_mbcnt;
 144         xsb->sb_mcnt = sb->sb_mcnt;
 145         xsb->sb_ccnt = sb->sb_ccnt;
 146         xsb->sb_mbmax = sb->sb_mbmax;
 147         xsb->sb_lowat = sb->sb_lowat;
 148         xsb->sb_flags = sb->sb_flags;
 149         xsb->sb_timeo = sb->sb_timeo;
 150 }
 151
 152 int
 153 sotoxsocket(struct socket *so, struct xsocket *xso)
 154 {
 155         struct protosw proto;
 156         struct domain domain;
 157
 158         bzero(xso, sizeof *xso);
 159         xso->xso_len = sizeof *xso;
 160         xso->xso_so = so;
 161         xso->so_type = so->so_type;
 162         xso->so_options = so->so_options;
 163         xso->so_linger = so->so_linger;
 164         xso->so_state = so->so_state;
 165         xso->so_pcb = so->so_pcb;
 166         if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0)
 167                 return (-1);
 168         xso->xso_protocol = proto.pr_protocol;
 169         if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0)
 170                 return (-1);
 171         xso->xso_family = domain.dom_family;
 172         xso->so_qlen = so->so_qlen;
 173         xso->so_incqlen = so->so_incqlen;
 174         xso->so_qlimit = so->so_qlimit;
 175         xso->so_timeo = so->so_timeo;
 176         xso->so_error = so->so_error;
 177         xso->so_oobmark = so->so_oobmark;
 178         sbtoxsockbuf(&so->so_snd, &xso->so_snd);
 179         sbtoxsockbuf(&so->so_rcv, &xso->so_rcv);
 180         return (0);
 181 }
 182
 183 static int
 184 pcblist_kvm(u_long off, char **bufp, int istcp)
 185 {
 186         struct inpcbinfo pcbinfo;
 187         struct inpcbhead listhead;
 188         struct inpcb *inp;
 189         struct xinpcb xi;
 190         struct xinpgen xig;
 191         struct xtcpcb xt;
 192         struct socket so;
 193         struct xsocket *xso;
 194         char *buf, *p;
 195         size_t len;
 196
 197         if (off == 0)
 198                 return (0);
 199         kread(off, &pcbinfo, sizeof(pcbinfo));
 200         if (istcp)
 201                 len = 2 * sizeof(xig) +
 202                     (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
 203                     sizeof(struct xtcpcb);
 204         else
 205                 len = 2 * sizeof(xig) +
 206                     (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
 207                     sizeof(struct xinpcb);
 208         if ((buf = malloc(len)) == 0) {
 209                 xo_warnx("malloc %lu bytes", (u_long)len);
 210                 return (0);
 211         }
 212         p = buf;
 213
 214 #define COPYOUT(obj, size) do {                                         \
 215         if (len < (size)) {                                             \
 216                 xo_warnx("buffer size exceeded");                       \
 217                 goto fail;                                              \
 218         }                                                               \
 219         bcopy((obj), p, (size));                                        \
 220         len -= (size);                                                  \
 221         p += (size);                                                    \
 222 } while (0)
 223
 224 #define KREAD(off, buf, len) do {                                       \
 225         if (kread((uintptr_t)(off), (buf), (len)) != 0)                 \
 226                 goto fail;                                              \
 227 } while (0)
 228
 229         /* Write out header. */
 230         xig.xig_len = sizeof xig;
 231         xig.xig_count = pcbinfo.ipi_count;
 232         xig.xig_gen = pcbinfo.ipi_gencnt;
 233         xig.xig_sogen = 0;
 234         COPYOUT(&xig, sizeof xig);
 235
 236         /* Walk the PCB list. */
 237         xt.xt_len = sizeof xt;
 238         xi.xi_len = sizeof xi;
 239         if (istcp)
 240                 xso = &xt.xt_socket;
 241         else
 242                 xso = &xi.xi_socket;
 243         KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead));
 244         LIST_FOREACH(inp, &listhead, inp_list) {
 245                 if (istcp) {
 246                         KREAD(inp, &xt.xt_inp, sizeof(*inp));
 247                         inp = &xt.xt_inp;
 248                 } else {
 249                         KREAD(inp, &xi.xi_inp, sizeof(*inp));
 250                         inp = &xi.xi_inp;
 251                 }
 252
 253                 if (inp->inp_gencnt > pcbinfo.ipi_gencnt)
 254                         continue;
 255
 256                 if (istcp) {
 257                         if (inp->inp_ppcb == NULL)
 258                                 bzero(&xt.xt_tp, sizeof xt.xt_tp);
 259                         else if (inp->inp_flags & INP_TIMEWAIT) {
 260                                 bzero(&xt.xt_tp, sizeof xt.xt_tp);
 261                                 xt.xt_tp.t_state = TCPS_TIME_WAIT;
 262                         } else
 263                                 KREAD(inp->inp_ppcb, &xt.xt_tp,
 264                                     sizeof xt.xt_tp);
 265                 }
 266                 if (inp->inp_socket) {
 267                         KREAD(inp->inp_socket, &so, sizeof(so));
 268                         if (sotoxsocket(&so, xso) != 0)
 269                                 goto fail;
 270                 } else {
 271                         bzero(xso, sizeof(*xso));
 272                         if (istcp)
 273                                 xso->xso_protocol = IPPROTO_TCP;
 274                 }
 275                 if (istcp)
 276                         COPYOUT(&xt, sizeof xt);
 277                 else
 278                         COPYOUT(&xi, sizeof xi);
 279         }
 280
 281         /* Reread the pcbinfo and write out the footer. */
 282         kread(off, &pcbinfo, sizeof(pcbinfo));
 283         xig.xig_count = pcbinfo.ipi_count;
 284         xig.xig_gen = pcbinfo.ipi_gencnt;
 285         COPYOUT(&xig, sizeof xig);
 286
 287         *bufp = buf;
 288         return (1);
 289
 290 fail:
 291         free(buf);
 292         return (0);
 293 #undef COPYOUT
 294 #undef KREAD
 295 }
 296
 297 /*
 298  * Print a summary of connections related to an Internet
 299  * protocol.  For TCP, also give state of connection.
 300  * Listening processes (aflag) are suppressed unless the
 301  * -a (all) flag is specified.
 302  */
 303 void
 304 protopr(u_long off, const char *name, int af1, int proto)
 305 {
 306         int istcp;
 307         static int first = 1;
 308         char *buf;
 309         const char *vchar;
 310         struct tcpcb *tp = NULL;
 311         struct inpcb *inp;
 312         struct xinpgen *xig, *oxig;
 313         struct xsocket *so;
 314         struct xtcp_timer *timer;
 315
 316         istcp = 0;
 317         switch (proto) {
 318         case IPPROTO_TCP:
 319 #ifdef INET6
 320                 if (strncmp(name, "sdp", 3) != 0) {
 321                         if (tcp_done != 0)
 322                                 return;
 323                         else
 324                                 tcp_done = 1;
 325                 } else {
 326                         if (sdp_done != 0)
 327                                 return;
 328                         else
 329                                 sdp_done = 1;
 330                 }
 331 #endif
 332                 istcp = 1;
 333                 break;
 334         case IPPROTO_UDP:
 335 #ifdef INET6
 336                 if (udp_done != 0)
 337                         return;
 338                 else
 339                         udp_done = 1;
 340 #endif
 341                 break;
 342         }
 343         if (live) {
 344                 if (!pcblist_sysctl(proto, name, &buf, istcp))
 345                         return;
 346         } else {
 347                 if (!pcblist_kvm(off, &buf, istcp))
 348                         return;
 349         }
 350
 351         oxig = xig = (struct xinpgen *)buf;
 352         for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
 353             xig->xig_len > sizeof(struct xinpgen);
 354             xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
 355                 if (istcp) {
 356                         timer = &((struct xtcpcb *)xig)->xt_timer;
 357                         tp = &((struct xtcpcb *)xig)->xt_tp;
 358                         inp = &((struct xtcpcb *)xig)->xt_inp;
 359                         so = &((struct xtcpcb *)xig)->xt_socket;
 360                 } else {
 361                         inp = &((struct xinpcb *)xig)->xi_inp;
 362                         so = &((struct xinpcb *)xig)->xi_socket;
 363                         timer = NULL;
 364                 }
 365
 366                 /* Ignore sockets for protocols other than the desired one. */
 367                 if (so->xso_protocol != proto)
 368                         continue;
 369
 370                 /* Ignore PCBs which were freed during copyout. */
 371                 if (inp->inp_gencnt > oxig->xig_gen)
 372                         continue;
 373
 374                 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
 375 #ifdef INET6
 376                     || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
 377 #endif /* INET6 */
 378                     || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
 379 #ifdef INET6
 380                                           && (inp->inp_vflag & INP_IPV6) == 0
 381 #endif /* INET6 */
 382                         ))
 383                     )
 384                         continue;
 385                 if (!aflag &&
 386                     (
 387                      (istcp && tp->t_state == TCPS_LISTEN)
 388                      || (af1 == AF_INET &&
 389                       inet_lnaof(inp->inp_laddr) == INADDR_ANY)
 390 #ifdef INET6
 391                      || (af1 == AF_INET6 &&
 392                          IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
 393 #endif /* INET6 */
 394                      || (af1 == AF_UNSPEC &&
 395                          (((inp->inp_vflag & INP_IPV4) != 0 &&
 396                            inet_lnaof(inp->inp_laddr) == INADDR_ANY)
 397 #ifdef INET6
 398                           || ((inp->inp_vflag & INP_IPV6) != 0 &&
 399                               IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
 400 #endif
 401                           ))
 402                      ))
 403                         continue;
 404
 405                 if (first) {
 406                         if (!Lflag) {
 407                                 xo_emit("Active Internet connections");
 408                                 if (aflag)
 409                                         xo_emit(" (including servers)");
 410                         } else
 411                                 xo_emit(
 412         "Current listen queue sizes (qlen/incqlen/maxqlen)");
 413                         xo_emit("\n");
 414                         if (Aflag)
 415                                 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *),
 416                                     "Tcpcb");
 417                         if (Lflag)
 418                                 xo_emit((Aflag && !Wflag) ?
 419                                     "{T:/%-5.5s} {T:/%-14.14s} {T:/%-18.18s}" :
 420                                     "{T:/%-5.5s} {T:/%-14.14s} {T:/%-22.22s}",
 421                                     "Proto", "Listen", "Local Address");
 422                         else if (Tflag)
 423                                 xo_emit((Aflag && !Wflag) ?
 424     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" :
 425     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}",
 426                                     "Proto", "Rexmit", "OOORcv", "0-win",
 427                                     "Local Address", "Foreign Address");
 428                         else {
 429                                 xo_emit((Aflag && !Wflag) ?
 430     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" :
 431     "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}",
 432                                     "Proto", "Recv-Q", "Send-Q",
 433                                     "Local Address", "Foreign Address");
 434                                 if (!xflag && !Rflag)
 435                                         xo_emit(" (state)");
 436                         }
 437                         if (xflag) {
 438                                 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
 439                                     "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
 440                                     "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} "
 441                                     "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}",
 442                                     "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS",
 443                                     "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA",
 444                                     "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX");
 445                                 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} "
 446                                     "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}",
 447                                     "rexmt", "persist", "keep", "2msl",
 448                                     "delack", "rcvtime");
 449                         } else if (Rflag) {
 450                                 xo_emit("  {T:/%8.8s} {T:/%5.5s}",
 451                                     "flowid", "ftype");
 452                         }
 453                         xo_emit("\n");
 454                         first = 0;
 455                 }
 456                 if (Lflag && so->so_qlimit == 0)
 457                         continue;
 458                 xo_open_instance("socket");
 459                 if (Aflag) {
 460                         if (istcp)
 461                                 xo_emit("{q:address/%*lx} ",
 462                                     2 * (int)sizeof(void *),
 463                                     (u_long)inp->inp_ppcb);
 464                         else
 465                                 xo_emit("{q:adddress/%*lx} ",
 466                                     2 * (int)sizeof(void *),
 467                                     (u_long)so->so_pcb);
 468                 }
 469 #ifdef INET6
 470                 if ((inp->inp_vflag & INP_IPV6) != 0)
 471                         vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
 472                             "46" : "6";
 473                 else
 474 #endif
 475                 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
 476                     "4" : "";
 477                 if (istcp && (tp->t_flags & TF_TOE) != 0)
 478                         xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar);
 479                 else
 480                         xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar);
 481                 if (Lflag) {
 482                         char buf1[15];
 483
 484                         snprintf(buf1, 15, "%d/%d/%d", so->so_qlen,
 485                             so->so_incqlen, so->so_qlimit);
 486                         xo_emit("{:listen-queue-sizes/%-14.14s} ", buf1);
 487                 } else if (Tflag) {
 488                         if (istcp)
 489                                 xo_emit("{:sent-retransmit-packets/%6u} "
 490                                     "{:received-out-of-order-packets/%6u} "
 491                                     "{:sent-zero-window/%6u} ",
 492                                     tp->t_sndrexmitpack, tp->t_rcvoopack,
 493                                     tp->t_sndzerowin);
 494                 } else {
 495                         xo_emit("{:receive-bytes-waiting/%6u} "
 496                             "{:send-bytes-waiting/%6u} ",
 497                             so->so_rcv.sb_cc, so->so_snd.sb_cc);
 498                 }
 499                 if (numeric_port) {
 500                         if (inp->inp_vflag & INP_IPV4) {
 501                                 inetprint("local", &inp->inp_laddr,
 502                                     (int)inp->inp_lport, name, 1);
 503                                 if (!Lflag)
 504                                         inetprint("remote", &inp->inp_faddr,
 505                                             (int)inp->inp_fport, name, 1);
 506                         }
 507 #ifdef INET6
 508                         else if (inp->inp_vflag & INP_IPV6) {
 509                                 inet6print("local", &inp->in6p_laddr,
 510                                     (int)inp->inp_lport, name, 1);
 511                                 if (!Lflag)
 512                                         inet6print("remote", &inp->in6p_faddr,
 513                                             (int)inp->inp_fport, name, 1);
 514                         } /* else nothing printed now */
 515 #endif /* INET6 */
 516                 } else if (inp->inp_flags & INP_ANONPORT) {
 517                         if (inp->inp_vflag & INP_IPV4) {
 518                                 inetprint("local", &inp->inp_laddr,
 519                                     (int)inp->inp_lport, name, 1);
 520                                 if (!Lflag)
 521                                         inetprint("remote", &inp->inp_faddr,
 522                                             (int)inp->inp_fport, name, 0);
 523                         }
 524 #ifdef INET6
 525                         else if (inp->inp_vflag & INP_IPV6) {
 526                                 inet6print("local", &inp->in6p_laddr,
 527                                     (int)inp->inp_lport, name, 1);
 528                                 if (!Lflag)
 529                                         inet6print("remote", &inp->in6p_faddr,
 530                                             (int)inp->inp_fport, name, 0);
 531                         } /* else nothing printed now */
 532 #endif /* INET6 */
 533                 } else {
 534                         if (inp->inp_vflag & INP_IPV4) {
 535                                 inetprint("local", &inp->inp_laddr,
 536                                     (int)inp->inp_lport, name, 0);
 537                                 if (!Lflag)
 538                                         inetprint("remote", &inp->inp_faddr,
 539                                             (int)inp->inp_fport, name,
 540                                             inp->inp_lport != inp->inp_fport);
 541                         }
 542 #ifdef INET6
 543                         else if (inp->inp_vflag & INP_IPV6) {
 544                                 inet6print("local", &inp->in6p_laddr,
 545                                     (int)inp->inp_lport, name, 0);
 546                                 if (!Lflag)
 547                                         inet6print("remote", &inp->in6p_faddr,
 548                                             (int)inp->inp_fport, name,
 549                                             inp->inp_lport != inp->inp_fport);
 550                         } /* else nothing printed now */
 551 #endif /* INET6 */
 552                 }
 553                 if (xflag) {
 554                         xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} "
 555                             "{:receive-clusters/%6u} {:send-clusters/%6u} "
 556                             "{:receive-high-water/%6u} {:send-high-water/%6u} "
 557                             "{:receive-low-water/%6u} {:send-low-water/%6u} "
 558                             "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} "
 559                             "{:receive-mbuf-bytes-max/%6u} "
 560                             "{:send-mbuf-bytes-max/%6u}",
 561                             so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt,
 562                             so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt,
 563                             so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat,
 564                             so->so_rcv.sb_lowat, so->so_snd.sb_lowat,
 565                             so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt,
 566                             so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax);
 567                         if (timer != NULL)
 568                                 xo_emit(" {:retransmit-timer/%4d.%02d} "
 569                                     "{:persist-timer/%4d.%02d} "
 570                                     "{:keepalive-timer/%4d.%02d} "
 571                                     "{:msl2-timer/%4d.%02d} "
 572                                     "{:delay-ack-timer/%4d.%02d} "
 573                                     "{:inactivity-timer/%4d.%02d}",
 574                                     timer->tt_rexmt / 1000,
 575                                     (timer->tt_rexmt % 1000) / 10,
 576                                     timer->tt_persist / 1000,
 577                                     (timer->tt_persist % 1000) / 10,
 578                                     timer->tt_keep / 1000,
 579                                     (timer->tt_keep % 1000) / 10,
 580                                     timer->tt_2msl / 1000,
 581                                     (timer->tt_2msl % 1000) / 10,
 582                                     timer->tt_delack / 1000,
 583                                     (timer->tt_delack % 1000) / 10,
 584                                     timer->t_rcvtime / 1000,
 585                                     (timer->t_rcvtime % 1000) / 10);
 586                 }
 587                 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) {
 588                         if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
 589                                 xo_emit("{:tcp-state/%d}", tp->t_state);
 590                         else {
 591                                 xo_emit("{:tcp-state/%s}",
 592                                     tcpstates[tp->t_state]);
 593 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
 594                                 /* Show T/TCP `hidden state' */
 595                                 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
 596                                         xo_emit("{:need-syn-or-fin/*}");
 597 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
 598                         }
 599                 }
 600                 if (Rflag) {
 601                         /* XXX: is this right Alfred */
 602                         xo_emit(" {:flow-id/%08x} {:flow-type/%5d}",
 603                             inp->inp_flowid,
 604                             inp->inp_flowtype);
 605                 }
 606                 xo_emit("\n");
 607                 xo_close_instance("socket");
 608         }
 609         if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
 610                 if (oxig->xig_count > xig->xig_count) {
 611                         xo_emit("Some {d:lost/%s} sockets may have been "
 612                             "deleted.\n", name);
 613                 } else if (oxig->xig_count < xig->xig_count) {
 614                         xo_emit("Some {d:created/%s} sockets may have been "
 615                             "created.\n", name);
 616                 } else {
 617                         xo_emit("Some {d:changed/%s} sockets may have been "
 618                             "created or deleted.\n", name);
 619                 }
 620         }
 621         free(buf);
 622 }
 623
 624 /*
 625  * Dump TCP statistics structure.
 626  */
 627 void
 628 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 629 {
 630         struct tcpstat tcpstat;
 631
 632 #ifdef INET6
 633         if (tcp_done != 0)
 634                 return;
 635         else
 636                 tcp_done = 1;
 637 #endif
 638
 639         if (fetch_stats("net.inet.tcp.stats", off, &tcpstat,
 640             sizeof(tcpstat), kread_counters) != 0)
 641                 return;
 642
 643         xo_open_container("tcp");
 644         xo_emit("{T:/%s}:\n", name);
 645
 646 #define p(f, m) if (tcpstat.f || sflag <= 1)                            \
 647         xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f))
 648 #define p1a(f, m) if (tcpstat.f || sflag <= 1)                          \
 649         xo_emit(m, (uintmax_t )tcpstat.f)
 650 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1)       \
 651         xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1),          \
 652             (uintmax_t )tcpstat.f2, plural(tcpstat.f2))
 653 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1)      \
 654         xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1),          \
 655             (uintmax_t )tcpstat.f2)
 656 #define p3(f, m) if (tcpstat.f || sflag <= 1)                           \
 657         xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f))
 658
 659         p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n");
 660         p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} "
 661             "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n");
 662         p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t"
 663             "{:sent-retransmitted-packets/%ju} {N:/data packet%s} "
 664             "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) "
 665             "{N:retransmitted}\n");
 666         p(tcps_sndrexmitbad, "\t\t"
 667             "{:sent-unnecessary-retransmitted-packets/%ju} "
 668             "{N:/data packet%s unnecessarily retransmitted}\n");
 669         p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} "
 670             "{N:/resend%s initiated by MTU discovery}\n");
 671         p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} "
 672             "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} "
 673             "{N:delayed})\n");
 674         p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} "
 675             "{N:/URG only packet%s}\n");
 676         p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} "
 677             "{N:/window probe packet%s}\n");
 678         p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} "
 679             "{N:/window update packet%s}\n");
 680         p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} "
 681             "{N:/control packet%s}\n");
 682         p(tcps_rcvtotal, "\t{:received-packets/%ju} "
 683             "{N:/packet%s received}\n");
 684         p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t"
 685             "{:received-ack-packets/%ju} {N:/ack%s} "
 686             "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n");
 687         p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} "
 688             "{N:/duplicate ack%s}\n");
 689         p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} "
 690             "{N:/ack%s for unsent data}\n");
 691         p2(tcps_rcvpack, tcps_rcvbyte, "\t\t"
 692             "{:received-in-sequence-packets/%ju} {N:/packet%s} "
 693             "({:received-in-sequence-bytes/%ju} {N:/byte%s}) "
 694             "{N:received in-sequence}\n");
 695         p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t"
 696             "{:received-completely-duplicate-packets/%ju} "
 697             "{N:/completely duplicate packet%s} "
 698             "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n");
 699         p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} "
 700             "{N:/old duplicate packet%s}\n");
 701         p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t"
 702             "{:received-some-duplicate-packets/%ju} "
 703             "{N:/packet%s with some dup. data} "
 704             "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n");
 705         p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} "
 706             "{N:/out-of-order packet%s} "
 707             "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n");
 708         p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t"
 709             "{:received-after-window-packets/%ju} {N:/packet%s} "
 710             "({:received-after-window-bytes/%ju} {N:/byte%s}) "
 711             "{N:of data after window}\n");
 712         p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} "
 713             "{N:/window probe%s}\n");
 714         p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} "
 715             "{N:/window update packet%s}\n");
 716         p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} "
 717             "{N:/packet%s received after close}\n");
 718         p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} "
 719             "{N:/discarded for bad checksum%s}\n");
 720         p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} "
 721             "{N:/discarded for bad header offset field%s}\n");
 722         p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} "
 723             "{N:discarded because packet too short}\n");
 724         p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} "
 725             "{N:discarded due to memory problems}\n");
 726         p(tcps_connattempt, "\t{:connection-requests/%ju} "
 727             "{N:/connection request%s}\n");
 728         p(tcps_accepts, "\t{:connections-accepts/%ju} "
 729             "{N:/connection accept%s}\n");
 730         p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} "
 731             "{N:/bad connection attempt%s}\n");
 732         p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} "
 733             "{N:/listen queue overflow%s}\n");
 734         p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} "
 735             "{N:/ignored RSTs in the window%s}\n");
 736         p(tcps_connects, "\t{:connections-established/%ju} "
 737             "{N:/connection%s established (including accepts)}\n");
 738         p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} "
 739             "{N:/connection%s closed (including} "
 740             "{:connection-drops/%ju} {N:/drop%s})\n");
 741         p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} "
 742             "{N:/connection%s updated cached RTT on close}\n");
 743         p(tcps_cachedrttvar, "\t\t"
 744             "{:connections-updated-variance-on-close/%ju} "
 745             "{N:/connection%s updated cached RTT variance on close}\n");
 746         p(tcps_cachedssthresh, "\t\t"
 747             "{:connections-updated-ssthresh-on-close/%ju} "
 748             "{N:/connection%s updated cached ssthresh on close}\n");
 749         p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} "
 750             "{N:/embryonic connection%s dropped}\n");
 751         p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} "
 752             "{N:/segment%s updated rtt (of} "
 753             "{:segment-update-attempts/%ju} {N:/attempt%s})\n");
 754         p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} "
 755             "{N:/retransmit timeout%s}\n");
 756         p(tcps_timeoutdrop, "\t\t"
 757             "{:connections-dropped-by-retransmit-timeout/%ju} "
 758             "{N:/connection%s dropped by rexmit timeout}\n");
 759         p(tcps_persisttimeo, "\t{:persist-timeout/%ju} "
 760             "{N:/persist timeout%s}\n");
 761         p(tcps_persistdrop, "\t\t"
 762             "{:connections-dropped-by-persist-timeout/%ju} "
 763             "{N:/connection%s dropped by persist timeout}\n");
 764         p(tcps_finwait2_drops, "\t"
 765             "{:connections-dropped-by-finwait2-timeout/%ju} "
 766             "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n");
 767         p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} "
 768             "{N:/keepalive timeout%s}\n");
 769         p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} "
 770             "{N:/keepalive probe%s sent}\n");
 771         p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} "
 772             "{N:/connection%s dropped by keepalive}\n");
 773         p(tcps_predack, "\t{:ack-header-predictions/%ju} "
 774             "{N:/correct ACK header prediction%s}\n");
 775         p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} "
 776             "{N:/correct data packet header prediction%s}\n");
 777
 778         xo_open_container("syncache");
 779
 780         p3(tcps_sc_added, "\t{:entries-added/%ju} "
 781             "{N:/syncache entr%s added}\n");
 782         p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} "
 783             "{N:/retransmitted}\n");
 784         p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n");
 785         p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n");
 786         p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n");
 787         p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} "
 788             "{N:/bucket overflow}\n");
 789         p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} "
 790             "{N:/cache overflow}\n");
 791         p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n");
 792         p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n");
 793         p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n");
 794         p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n");
 795         p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n");
 796         p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n");
 797         p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n");
 798         p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} "
 799             "{N:/cookie%s received}\n");
 800
 801         xo_close_container("syncache");
 802
 803         xo_open_container("hostcache");
 804
 805         p3(tcps_hc_added, "\t{:entries-added/%ju} "
 806             "{N:/hostcache entr%s added}\n");
 807         p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} "
 808             "{N:/bucket overflow}\n");
 809
 810         xo_close_container("hostcache");
 811
 812         xo_open_container("sack");
 813
 814         p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} "
 815             "{N:/SACK recovery episode%s}\n");
 816         p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} "
 817             "{N:/segment rexmit%s in SACK recovery episodes}\n");
 818         p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} "
 819             "{N:/byte rexmit%s in SACK recovery episodes}\n");
 820         p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} "
 821             "{N:/SACK option%s (SACK blocks) received}\n");
 822         p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} "
 823             "{N:/SACK option%s (SACK blocks) sent}\n");
 824         p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} "
 825             "{N:/SACK scoreboard overflow}\n");
 826
 827         xo_close_container("sack");
 828         xo_open_container("ecn");
 829
 830         p(tcps_ecn_ce, "\t{:ce-packets/%ju} "
 831             "{N:/packet%s with ECN CE bit set}\n");
 832         p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} "
 833             "{N:/packet%s with ECN ECT(0) bit set}\n");
 834         p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} "
 835             "{N:/packet%s with ECN ECT(1) bit set}\n");
 836         p(tcps_ecn_shs, "\t{:handshakes/%ju} "
 837             "{N:/successful ECN handshake%s}\n");
 838         p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} "
 839             "{N:/time%s ECN reduced the congestion window}\n");
 840  #undef p
 841  #undef p1a
 842  #undef p2
 843  #undef p2a
 844  #undef p3
 845         xo_close_container("ecn");
 846         xo_close_container("tcp");
 847 }
 848
 849 /*
 850  * Dump UDP statistics structure.
 851  */
 852 void
 853 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 854 {
 855         struct udpstat udpstat;
 856         uint64_t delivered;
 857
 858 #ifdef INET6
 859         if (udp_done != 0)
 860                 return;
 861         else
 862                 udp_done = 1;
 863 #endif
 864
 865         if (fetch_stats("net.inet.udp.stats", off, &udpstat,
 866             sizeof(udpstat), kread_counters) != 0)
 867                 return;
 868
 869         xo_open_container("udp");
 870         xo_emit("{T:/%s}:\n", name);
 871
 872 #define p(f, m) if (udpstat.f || sflag <= 1) \
 873         xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f))
 874 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
 875         xo_emit("\t" m, (uintmax_t)udpstat.f)
 876
 877         p(udps_ipackets, "{:received-datagrams/%ju} "
 878             "{N:/datagram%s received}\n");
 879         p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} "
 880             "{N:/with incomplete header}\n");
 881         p1a(udps_badlen, "{:dropped-bad-data-length/%ju} "
 882             "{N:/with bad data length field}\n");
 883         p1a(udps_badsum, "{:dropped-bad-checksum/%ju} "
 884             "{N:/with bad checksum}\n");
 885         p1a(udps_nosum, "{:dropped-no-checksum/%ju} "
 886             "{N:/with no checksum}\n");
 887         p1a(udps_noport, "{:dropped-no-socket/%ju} "
 888             "{N:/dropped due to no socket}\n");
 889         p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} "
 890             "{N:/broadcast\\/multicast datagram%s undelivered}\n");
 891         p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} "
 892             "{N:/dropped due to full socket buffers}\n");
 893         p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} "
 894             "{N:/not for hashed pcb}\n");
 895         delivered = udpstat.udps_ipackets -
 896                     udpstat.udps_hdrops -
 897                     udpstat.udps_badlen -
 898                     udpstat.udps_badsum -
 899                     udpstat.udps_noport -
 900                     udpstat.udps_noportbcast -
 901                     udpstat.udps_fullsock;
 902         if (delivered || sflag <= 1)
 903                 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n",
 904                     (uint64_t)delivered);
 905         p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n");
 906         /* the next statistic is cumulative in udps_noportbcast */
 907         p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} "
 908             "{N:/time%s multicast source filter matched}\n");
 909 #undef p
 910 #undef p1a
 911         xo_close_container("udp");
 912 }
 913
 914 /*
 915  * Dump CARP statistics structure.
 916  */
 917 void
 918 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 919 {
 920         struct carpstats carpstat;
 921
 922         if (fetch_stats("net.inet.carp.stats", off, &carpstat,
 923             sizeof(carpstat), kread_counters) != 0)
 924                 return;
 925
 926         xo_open_container(name);
 927         xo_emit("{T:/%s}:\n", name);
 928
 929 #define p(f, m) if (carpstat.f || sflag <= 1) \
 930         xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f))
 931 #define p2(f, m) if (carpstat.f || sflag <= 1) \
 932         xo_emit(m, (uintmax_t)carpstat.f)
 933
 934         p(carps_ipackets, "\t{:received-inet-packets/%ju} "
 935             "{N:/packet%s received (IPv4)}\n");
 936         p(carps_ipackets6, "\t{:received-inet6-packets/%ju} "
 937             "{N:/packet%s received (IPv6)}\n");
 938         p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} "
 939             "{N:/packet%s discarded for wrong TTL}\n");
 940         p(carps_hdrops, "\t\t{:dropped-short-header/%ju} "
 941             "{N:/packet%s shorter than header}\n");
 942         p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} "
 943             "{N:/discarded for bad checksum%s}\n");
 944         p(carps_badver, "\t\t{:dropped-bad-version/%ju} "
 945             "{N:/discarded packet%s with a bad version}\n");
 946         p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} "
 947             "{N:/discarded because packet too short}\n");
 948         p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} "
 949             "{N:/discarded for bad authentication}\n");
 950         p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} "
 951             "{N:/discarded for bad vhid}\n");
 952         p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} "
 953             "{N:/discarded because of a bad address list}\n");
 954         p(carps_opackets, "\t{:sent-inet-packets/%ju} "
 955             "{N:/packet%s sent (IPv4)}\n");
 956         p(carps_opackets6, "\t{:sent-inet6-packets/%ju} "
 957             "{N:/packet%s sent (IPv6)}\n");
 958         p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} "
 959             "{N:/send failed due to mbuf memory error}\n");
 960 #if notyet
 961         p(carps_ostates, "\t\t{:send-state-updates/%s} "
 962             "{N:/state update%s sent}\n");
 963 #endif
 964 #undef p
 965 #undef p2
 966         xo_close_container(name);
 967 }
 968
 969 /*
 970  * Dump IP statistics structure.
 971  */
 972 void
 973 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
 974 {
 975         struct ipstat ipstat;
 976
 977         if (fetch_stats("net.inet.ip.stats", off, &ipstat,
 978             sizeof(ipstat), 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 (ipstat.f || sflag <= 1) \
 985         xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f))
 986 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
 987         xo_emit(m, (uintmax_t )ipstat.f)
 988
 989         p(ips_total, "\t{:received-packets/%ju} "
 990             "{N:/total packet%s received}\n");
 991         p(ips_badsum, "\t{:dropped-bad-checksum/%ju} "
 992             "{N:/bad header checksum%s}\n");
 993         p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} "
 994             "{N:/with size smaller than minimum}\n");
 995         p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} "
 996             "{N:/with data size < data length}\n");
 997         p1a(ips_toolong, "\t{:dropped-too-long/%ju} "
 998             "{N:/with ip length > max ip packet size}\n");
 999         p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} "
1000             "{N:/with header length < data size}\n");
1001         p1a(ips_badlen, "\t{:dropped-short-data/%ju} "
1002             "{N:/with data length < header length}\n");
1003         p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} "
1004             "{N:/with bad options}\n");
1005         p1a(ips_badvers, "\t{:dropped-bad-version/%ju} "
1006             "{N:/with incorrect version number}\n");
1007         p(ips_fragments, "\t{:received-fragments/%ju} "
1008             "{N:/fragment%s received}\n");
1009         p(ips_fragdropped, "\t{:dropped-fragments/%ju} "
1010             "{N:/fragment%s dropped (dup or out of space)}\n");
1011         p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} "
1012             "{N:/fragment%s dropped after timeout}\n");
1013         p(ips_reassembled, "\t{:reassembled-packets/%ju} "
1014             "{N:/packet%s reassembled ok}\n");
1015         p(ips_delivered, "\t{:received-local-packets/%ju} "
1016             "{N:/packet%s for this host}\n");
1017         p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} "
1018             "{N:/packet%s for unknown\\/unsupported protocol}\n");
1019         p(ips_forward, "\t{:forwarded-packets/%ju} "
1020             "{N:/packet%s forwarded}");
1021         p(ips_fastforward, " ({:fast-forwarded-packets/%ju} "
1022             "{N:/packet%s fast forwarded})");
1023         if (ipstat.ips_forward || sflag <= 1)
1024                 xo_emit("\n");
1025         p(ips_cantforward, "\t{:packets-cannot-forward/%ju} "
1026             "{N:/packet%s not forwardable}\n");
1027         p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} "
1028             "{N:/packet%s received for unknown multicast group}\n");
1029         p(ips_redirectsent, "\t{:redirects-sent/%ju} "
1030             "{N:/redirect%s sent}\n");
1031         p(ips_localout, "\t{:sent-packets/%ju} "
1032             "{N:/packet%s sent from this host}\n");
1033         p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} "
1034             "{N:/packet%s sent with fabricated ip header}\n");
1035         p(ips_odropped, "\t{:discard-no-mbufs/%ju} "
1036             "{N:/output packet%s dropped due to no bufs, etc.}\n");
1037         p(ips_noroute, "\t{:discard-no-route/%ju} "
1038             "{N:/output packet%s discarded due to no route}\n");
1039         p(ips_fragmented, "\t{:sent-fragments/%ju} "
1040             "{N:/output datagram%s fragmented}\n");
1041         p(ips_ofragments, "\t{:fragments-created/%ju} "
1042             "{N:/fragment%s created}\n");
1043         p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} "
1044             "{N:/datagram%s that can't be fragmented}\n");
1045         p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} "
1046             "{N:/tunneling packet%s that can't find gif}\n");
1047         p(ips_badaddr, "\t{:discard-bad-address/%ju} "
1048             "{N:/datagram%s with bad address in header}\n");
1049 #undef p
1050 #undef p1a
1051         xo_close_container(name);
1052 }
1053
1054 /*
1055  * Dump ARP statistics structure.
1056  */
1057 void
1058 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1059 {
1060         struct arpstat arpstat;
1061
1062         if (fetch_stats("net.link.ether.arp.stats", off, &arpstat,
1063             sizeof(arpstat), kread_counters) != 0)
1064                 return;
1065
1066         xo_open_container(name);
1067         xo_emit("{T:/%s}:\n", name);
1068
1069 #define p(f, m) if (arpstat.f || sflag <= 1) \
1070         xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f))
1071 #define p2(f, m) if (arpstat.f || sflag <= 1) \
1072         xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f))
1073
1074         p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n");
1075         p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n");
1076         p(rxrequests, "{:received-requests/%ju} "
1077             "{N:/ARP request%s received}\n");
1078         p2(rxreplies, "{:received-replies/%ju} "
1079             "{N:/ARP repl%s received}\n");
1080         p(received, "{:received-packers/%ju} "
1081             "{N:/ARP packet%s received}\n");
1082         p(dropped, "{:dropped-no-entry/%ju} "
1083             "{N:/total packet%s dropped due to no ARP entry}\n");
1084         p(timeouts, "{:entries-timeout/%ju} "
1085             "{N:/ARP entry%s timed out}\n");
1086         p(dupips, "{:dropped-duplicate-address/%ju} "
1087             "{N:/Duplicate IP%s seen}\n");
1088 #undef p
1089 #undef p2
1090         xo_close_container(name);
1091 }
1092
1093
1094
1095 static  const char *icmpnames[ICMP_MAXTYPE + 1] = {
1096         "echo reply",                   /* RFC 792 */
1097         "#1",
1098         "#2",
1099         "destination unreachable",      /* RFC 792 */
1100         "source quench",                /* RFC 792 */
1101         "routing redirect",             /* RFC 792 */
1102         "#6",
1103         "#7",
1104         "echo",                         /* RFC 792 */
1105         "router advertisement",         /* RFC 1256 */
1106         "router solicitation",          /* RFC 1256 */
1107         "time exceeded",                /* RFC 792 */
1108         "parameter problem",            /* RFC 792 */
1109         "time stamp",                   /* RFC 792 */
1110         "time stamp reply",             /* RFC 792 */
1111         "information request",          /* RFC 792 */
1112         "information request reply",    /* RFC 792 */
1113         "address mask request",         /* RFC 950 */
1114         "address mask reply",           /* RFC 950 */
1115         "#19",
1116         "#20",
1117         "#21",
1118         "#22",
1119         "#23",
1120         "#24",
1121         "#25",
1122         "#26",
1123         "#27",
1124         "#28",
1125         "#29",
1126         "icmp traceroute",              /* RFC 1393 */
1127         "datagram conversion error",    /* RFC 1475 */
1128         "mobile host redirect",
1129         "IPv6 where-are-you",
1130         "IPv6 i-am-here",
1131         "mobile registration req",
1132         "mobile registration reply",
1133         "domain name request",          /* RFC 1788 */
1134         "domain name reply",            /* RFC 1788 */
1135         "icmp SKIP",
1136         "icmp photuris",                /* RFC 2521 */
1137 };
1138
1139 /*
1140  * Dump ICMP statistics.
1141  */
1142 void
1143 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1144 {
1145         struct icmpstat icmpstat;
1146         size_t len;
1147         int i, first;
1148
1149         if (fetch_stats("net.inet.icmp.stats", off, &icmpstat,
1150             sizeof(icmpstat), kread_counters) != 0)
1151                 return;
1152
1153         xo_open_container(name);
1154         xo_emit("{T:/%s}:\n", name);
1155
1156 #define p(f, m) if (icmpstat.f || sflag <= 1) \
1157         xo_emit(m, icmpstat.f, plural(icmpstat.f))
1158 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
1159         xo_emit(m, icmpstat.f)
1160 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
1161         xo_emit(m, icmpstat.f, plurales(icmpstat.f))
1162
1163         p(icps_error, "\t{:icmp-calls/%lu} "
1164             "{N:/call%s to icmp_error}\n");
1165         p(icps_oldicmp, "\t{:errors-not-from-message/%lu} "
1166             "{N:/error%s not generated in response to an icmp message}\n");
1167
1168         for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1169                 if (icmpstat.icps_outhist[i] != 0) {
1170                         if (first) {
1171                                 xo_open_list("output-histogram");
1172                                 xo_emit("\tOutput histogram:\n");
1173                                 first = 0;
1174                         }
1175                         xo_open_instance("output-histogram");
1176                         if (icmpnames[i] != NULL)
1177                                 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1178                                     icmpnames[i], icmpstat.icps_outhist[i]);
1179                         else
1180                                 xo_emit("\t\tunknown ICMP #{k:name/%d}: "
1181                                     "{:count/%lu}\n",
1182                                     i, icmpstat.icps_outhist[i]);
1183                         xo_close_instance("output-histogram");
1184                 }
1185         }
1186         if (!first)
1187                 xo_close_list("output-histogram");
1188
1189         p(icps_badcode, "\t{:dropped-bad-code/%lu} "
1190             "{N:/message%s with bad code fields}\n");
1191         p(icps_tooshort, "\t{:dropped-too-short/%lu} "
1192             "{N:/message%s less than the minimum length}\n");
1193         p(icps_checksum, "\t{:dropped-bad-checksum/%lu} "
1194             "{N:/message%s with bad checksum}\n");
1195         p(icps_badlen, "\t{:dropped-bad-length/%lu} "
1196             "{N:/message%s with bad length}\n");
1197         p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} "
1198             "{N:/multicast echo requests ignored}\n");
1199         p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} "
1200             "{N:/multicast timestamp requests ignored}\n");
1201
1202         for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) {
1203                 if (icmpstat.icps_inhist[i] != 0) {
1204                         if (first) {
1205                                 xo_open_list("input-histogram");
1206                                 xo_emit("\tInput histogram:\n");
1207                                 first = 0;
1208                         }
1209                         xo_open_instance("input-histogram");
1210                         if (icmpnames[i] != NULL)
1211                                 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n",
1212                                         icmpnames[i],
1213                                         icmpstat.icps_inhist[i]);
1214                         else
1215                                 xo_emit(
1216                         "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n",
1217                                         i, icmpstat.icps_inhist[i]);
1218                         xo_close_instance("input-histogram");
1219                 }
1220         }
1221         if (!first)
1222                 xo_close_list("input-histogram");
1223
1224         p(icps_reflect, "\t{:sent-packets/%lu} "
1225             "{N:/message response%s generated}\n");
1226         p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} "
1227             "{N:/invalid return address%s}\n");
1228         p(icps_noroute, "\t{:discard-no-route/%lu} "
1229             "{N:/no return route%s}\n");
1230 #undef p
1231 #undef p1a
1232 #undef p2
1233         if (live) {
1234                 len = sizeof i;
1235                 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) <
1236                     0)
1237                         return;
1238                 xo_emit("\tICMP address mask responses are "
1239                     "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis");
1240         }
1241
1242         xo_close_container(name);
1243 }
1244
1245 /*
1246  * Dump IGMP statistics structure.
1247  */
1248 void
1249 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1250 {
1251         struct igmpstat igmpstat;
1252
1253         if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat,
1254             sizeof(igmpstat), kread) != 0)
1255                 return;
1256
1257         if (igmpstat.igps_version != IGPS_VERSION_3) {
1258                 xo_warnx("%s: version mismatch (%d != %d)", __func__,
1259                     igmpstat.igps_version, IGPS_VERSION_3);
1260         }
1261         if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
1262                 xo_warnx("%s: size mismatch (%d != %d)", __func__,
1263                     igmpstat.igps_len, IGPS_VERSION3_LEN);
1264         }
1265
1266         xo_open_container(name);
1267         xo_emit("{T:/%s}:\n", name);
1268
1269 #define p64(f, m) if (igmpstat.f || sflag <= 1) \
1270         xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f))
1271 #define py64(f, m) if (igmpstat.f || sflag <= 1) \
1272         xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f))
1273
1274         p64(igps_rcv_total, "\t{:received-messages/%ju} "
1275             "{N:/message%s received}\n");
1276         p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1277             "{N:/message%s received with too few bytes}\n");
1278         p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} "
1279             "{N:/message%s received with wrong TTL}\n");
1280         p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1281             "{N:/message%s received with bad checksum}\n");
1282         py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} "
1283             "{N:/V1\\/V2 membership quer%s received}\n");
1284         py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} "
1285             "{N:/V3 membership quer%s received}\n");
1286         py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} "
1287             "{N:/membership quer%s received with invalid field(s)}\n");
1288         py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} "
1289             "{N:/general quer%s received}\n");
1290         py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} "
1291             "{N:/group quer%s received}\n");
1292         py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} "
1293             "{N:/group-source quer%s received}\n");
1294         py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} "
1295             "{N:/group-source quer%s dropped}\n");
1296         p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} "
1297             "{N:/membership report%s received}\n");
1298         p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} "
1299             "{N:/membership report%s received with invalid field(s)}\n");
1300         p64(igps_rcv_ourreports, "\t"
1301             "{:received-membership-reports-matching/%ju} "
1302             "{N:/membership report%s received for groups to which we belong}"
1303             "\n");
1304         p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} "
1305             "{N:/V3 report%s received without Router Alert}\n");
1306         p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} "
1307             "{N:/membership report%s sent}\n");
1308 #undef p64
1309 #undef py64
1310         xo_close_container(name);
1311 }
1312
1313 /*
1314  * Dump PIM statistics structure.
1315  */
1316 void
1317 pim_stats(u_long off __unused, const char *name, int af1 __unused,
1318     int proto __unused)
1319 {
1320         struct pimstat pimstat;
1321
1322         if (fetch_stats("net.inet.pim.stats", off, &pimstat,
1323             sizeof(pimstat), kread_counters) != 0)
1324                 return;
1325
1326         xo_open_container(name);
1327         xo_emit("{T:/%s}:\n", name);
1328
1329 #define p(f, m) if (pimstat.f || sflag <= 1) \
1330         xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f))
1331 #define py(f, m) if (pimstat.f || sflag <= 1) \
1332         xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
1333
1334         p(pims_rcv_total_msgs, "\t{:received-messages/%ju} "
1335             "{N:/message%s received}\n");
1336         p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} "
1337             "{N:/byte%s received}\n");
1338         p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} "
1339             "{N:/message%s received with too few bytes}\n");
1340         p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} "
1341             "{N:/message%s received with bad checksum}\n");
1342         p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} "
1343             "{N:/message%s received with bad version}\n");
1344         p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} "
1345             "{N:/data register message%s received}\n");
1346         p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} "
1347             "{N:/data register byte%s received}\n");
1348         p(pims_rcv_registers_wrongiif, "\t"
1349             "{:received-data-register-wrong-interface/%ju} "
1350             "{N:/data register message%s received on wrong iif}\n");
1351         p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} "
1352             "{N:/bad register%s received}\n");
1353         p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} "
1354             "{N:/data register message%s sent}\n");
1355         p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} "
1356             "{N:/data register byte%s sent}\n");
1357 #undef p
1358 #undef py
1359         xo_close_container(name);
1360 }
1361
1362 /*
1363  * Pretty print an Internet address (net address + port).
1364  */
1365 void
1366 inetprint(const char *container, struct in_addr *in, int port,
1367     const char *proto, int num_port)
1368 {
1369         struct servent *sp = 0;
1370         char line[80], *cp;
1371         int width;
1372
1373         if (container)
1374                 xo_open_container(container);
1375
1376         if (Wflag)
1377             sprintf(line, "%s.", inetname(in));
1378         else
1379             sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
1380         cp = strchr(line, '\0');
1381         if (!num_port && port)
1382                 sp = getservbyport((int)port, proto);
1383         if (sp || port == 0)
1384                 sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
1385         else
1386                 sprintf(cp, "%d ", ntohs((u_short)port));
1387         width = (Aflag && !Wflag) ? 18 : 22;
1388         if (Wflag)
1389                 xo_emit("{d:target/%-*s} ", width, line);
1390         else
1391                 xo_emit("{d:target/%-*.*s} ", width, width, line);
1392
1393         int alen = cp - line - 1, plen = strlen(cp) - 1;
1394         xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen,
1395             plen, cp);
1396
1397         if (container)
1398                 xo_close_container(container);
1399 }
1400
1401 /*
1402  * Construct an Internet address representation.
1403  * If numeric_addr has been supplied, give
1404  * numeric value, otherwise try for symbolic name.
1405  */
1406 char *
1407 inetname(struct in_addr *inp)
1408 {
1409         char *cp;
1410         static char line[MAXHOSTNAMELEN];
1411         struct hostent *hp;
1412         struct netent *np;
1413
1414         cp = 0;
1415         if (!numeric_addr && inp->s_addr != INADDR_ANY) {
1416                 int net = inet_netof(*inp);
1417                 int lna = inet_lnaof(*inp);
1418
1419                 if (lna == INADDR_ANY) {
1420                         np = getnetbyaddr(net, AF_INET);
1421                         if (np)
1422                                 cp = np->n_name;
1423                 }
1424                 if (cp == 0) {
1425                         hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
1426                         if (hp) {
1427                                 cp = hp->h_name;
1428                                 trimdomain(cp, strlen(cp));
1429                         }
1430                 }
1431         }
1432         if (inp->s_addr == INADDR_ANY)
1433                 strcpy(line, "*");
1434         else if (cp) {
1435                 strlcpy(line, cp, sizeof(line));
1436         } else {
1437                 inp->s_addr = ntohl(inp->s_addr);
1438 #define C(x)    ((u_int)((x) & 0xff))
1439                 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
1440                     C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));
1441         }
1442         return (line);
1443 }