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_divert.h> 62 #include <netinet/ip_var.h> 63 #include <netinet/pim_var.h> 64 #include <netinet/tcp.h> 65 #include <netinet/tcpip.h> 66 #include <netinet/tcp_seq.h> 67 #define TCPSTATES 68 #include <netinet/tcp_fsm.h> 69 #include <netinet/tcp_timer.h> 70 #include <netinet/tcp_var.h> 71 #include <netinet/udp.h> 72 #include <netinet/udp_var.h> 73 74 #include <arpa/inet.h> 75 #include <err.h> 76 #include <errno.h> 77 #include <libutil.h> 78 #include <netdb.h> 79 #include <stdint.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <stdbool.h> 83 #include <string.h> 84 #include <unistd.h> 85 #include <libxo/xo.h> 86 #include "netstat.h" 87 #include "nl_defs.h" 88 89 #define max(a, b) (((a) > (b)) ? (a) : (b)) 90 91 #ifdef INET 92 static void inetprint(const char *, struct in_addr *, int, const char *, int, 93 const int); 94 #endif 95 #ifdef INET6 96 static int udp_done, tcp_done, sdp_done; 97 #endif /* INET6 */ 98 99 static int 100 pcblist_sysctl(int proto, const char *name, char **bufp) 101 { 102 const char *mibvar; 103 char *buf; 104 size_t len; 105 106 switch (proto) { 107 case IPPROTO_TCP: 108 mibvar = "net.inet.tcp.pcblist"; 109 break; 110 case IPPROTO_UDP: 111 mibvar = "net.inet.udp.pcblist"; 112 break; 113 default: 114 mibvar = "net.inet.raw.pcblist"; 115 break; 116 } 117 if (strncmp(name, "sdp", 3) == 0) 118 mibvar = "net.inet.sdp.pcblist"; 119 else if (strncmp(name, "divert", 6) == 0) 120 mibvar = "net.inet.divert.pcblist"; 121 len = 0; 122 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 123 if (errno != ENOENT) 124 xo_warn("sysctl: %s", mibvar); 125 return (0); 126 } 127 if ((buf = malloc(len)) == NULL) { 128 xo_warnx("malloc %lu bytes", (u_long)len); 129 return (0); 130 } 131 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 132 xo_warn("sysctl: %s", mibvar); 133 free(buf); 134 return (0); 135 } 136 *bufp = buf; 137 return (1); 138 } 139 140 /* 141 * Copied directly from uipc_socket2.c. We leave out some fields that are in 142 * nested structures that aren't used to avoid extra work. 143 */ 144 static void 145 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 146 { 147 xsb->sb_cc = sb->sb_ccc; 148 xsb->sb_hiwat = sb->sb_hiwat; 149 xsb->sb_mbcnt = sb->sb_mbcnt; 150 xsb->sb_mbmax = sb->sb_mbmax; 151 xsb->sb_lowat = sb->sb_lowat; 152 xsb->sb_flags = sb->sb_flags; 153 xsb->sb_timeo = sb->sb_timeo; 154 } 155 156 int 157 sotoxsocket(struct socket *so, struct xsocket *xso) 158 { 159 struct protosw proto; 160 struct domain domain; 161 162 bzero(xso, sizeof *xso); 163 xso->xso_len = sizeof *xso; 164 xso->xso_so = (uintptr_t)so; 165 xso->so_type = so->so_type; 166 xso->so_options = so->so_options; 167 xso->so_linger = so->so_linger; 168 xso->so_state = so->so_state; 169 xso->so_pcb = (uintptr_t)so->so_pcb; 170 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 171 return (-1); 172 xso->xso_protocol = proto.pr_protocol; 173 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 174 return (-1); 175 xso->xso_family = domain.dom_family; 176 xso->so_timeo = so->so_timeo; 177 xso->so_error = so->so_error; 178 if ((so->so_options & SO_ACCEPTCONN) != 0) { 179 xso->so_qlen = so->sol_qlen; 180 xso->so_incqlen = so->sol_incqlen; 181 xso->so_qlimit = so->sol_qlimit; 182 } else { 183 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 184 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 185 xso->so_oobmark = so->so_oobmark; 186 } 187 return (0); 188 } 189 190 /* 191 * Print a summary of connections related to an Internet 192 * protocol. For TCP, also give state of connection. 193 * Listening processes (aflag) are suppressed unless the 194 * -a (all) flag is specified. 195 */ 196 void 197 protopr(u_long off, const char *name, int af1, int proto) 198 { 199 static int first = 1; 200 int istcp; 201 char *buf; 202 const char *vchar; 203 struct xtcpcb *tp; 204 struct xinpcb *inp; 205 struct xinpgen *xig, *oxig; 206 struct xsocket *so; 207 int fnamelen, cnamelen; 208 209 istcp = 0; 210 switch (proto) { 211 case IPPROTO_TCP: 212 #ifdef INET6 213 if (strncmp(name, "sdp", 3) != 0) { 214 if (tcp_done != 0) 215 return; 216 else 217 tcp_done = 1; 218 } else { 219 if (sdp_done != 0) 220 return; 221 else 222 sdp_done = 1; 223 } 224 #endif 225 istcp = 1; 226 break; 227 case IPPROTO_UDP: 228 #ifdef INET6 229 if (udp_done != 0) 230 return; 231 else 232 udp_done = 1; 233 #endif 234 break; 235 } 236 237 if (!pcblist_sysctl(proto, name, &buf)) 238 return; 239 240 if (cflag || Cflag) { 241 fnamelen = strlen("Stack"); 242 cnamelen = strlen("CC"); 243 oxig = xig = (struct xinpgen *)buf; 244 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 245 xig->xig_len > sizeof(struct xinpgen); 246 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 247 if (istcp) { 248 tp = (struct xtcpcb *)xig; 249 inp = &tp->xt_inp; 250 } else { 251 continue; 252 } 253 if (so->xso_protocol != proto) 254 continue; 255 if (inp->inp_gencnt > oxig->xig_gen) 256 continue; 257 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 258 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 259 } 260 } 261 262 oxig = xig = (struct xinpgen *)buf; 263 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 264 xig->xig_len > sizeof(struct xinpgen); 265 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 266 if (istcp) { 267 tp = (struct xtcpcb *)xig; 268 inp = &tp->xt_inp; 269 } else { 270 inp = (struct xinpcb *)xig; 271 } 272 so = &inp->xi_socket; 273 274 /* Ignore sockets for protocols other than the desired one. */ 275 if (proto != 0 && so->xso_protocol != proto) 276 continue; 277 278 /* Ignore PCBs which were freed during copyout. */ 279 if (inp->inp_gencnt > oxig->xig_gen) 280 continue; 281 282 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 283 #ifdef INET6 284 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 285 #endif /* INET6 */ 286 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 287 #ifdef INET6 288 && (inp->inp_vflag & INP_IPV6) == 0 289 #endif /* INET6 */ 290 )) 291 ) 292 continue; 293 if (!aflag && 294 ( 295 (istcp && tp->t_state == TCPS_LISTEN) 296 || (af1 == AF_INET && 297 inp->inp_laddr.s_addr == INADDR_ANY) 298 #ifdef INET6 299 || (af1 == AF_INET6 && 300 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 301 #endif /* INET6 */ 302 || (af1 == AF_UNSPEC && 303 (((inp->inp_vflag & INP_IPV4) != 0 && 304 inp->inp_laddr.s_addr == INADDR_ANY) 305 #ifdef INET6 306 || ((inp->inp_vflag & INP_IPV6) != 0 && 307 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 308 #endif 309 )) 310 )) 311 continue; 312 313 if (first) { 314 if (!Lflag) { 315 xo_emit("Active Internet connections"); 316 if (aflag) 317 xo_emit(" (including servers)"); 318 } else 319 xo_emit( 320 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 321 xo_emit("\n"); 322 if (Aflag) 323 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 324 "Tcpcb"); 325 if (Lflag) 326 xo_emit((Aflag && !Wflag) ? 327 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 328 ((!Wflag || af1 == AF_INET) ? 329 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 330 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 331 "Proto", "Listen", "Local Address"); 332 else if (Tflag) 333 xo_emit((Aflag && !Wflag) ? 334 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 335 ((!Wflag || af1 == AF_INET) ? 336 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 337 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 338 "Proto", "Rexmit", "OOORcv", "0-win", 339 "Local Address", "Foreign Address"); 340 else { 341 xo_emit((Aflag && !Wflag) ? 342 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 343 ((!Wflag || af1 == AF_INET) ? 344 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 345 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 346 "Proto", "Recv-Q", "Send-Q", 347 "Local Address", "Foreign Address"); 348 if (!xflag && !Rflag) 349 xo_emit(" {T:/%-11.11s}", "(state)"); 350 } 351 if (xflag) { 352 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 353 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 354 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 355 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 356 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 357 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 358 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 359 "rexmt", "persist", "keep", "2msl", 360 "delack", "rcvtime"); 361 } else if (Rflag) { 362 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 363 "flowid", "ftype"); 364 } 365 if (cflag) { 366 xo_emit(" {T:/%-*.*s}", 367 fnamelen, fnamelen, "Stack"); 368 } 369 if (Cflag) 370 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 371 " {T:/%10.10s} {T:/%5.5s}" 372 " {T:/%3.3s}", cnamelen, 373 cnamelen, "CC", 374 "cwin", 375 "ssthresh", 376 "MSS", 377 "ECN"); 378 if (Pflag) 379 xo_emit(" {T:/%s}", "Log ID"); 380 xo_emit("\n"); 381 first = 0; 382 } 383 if (Lflag && so->so_qlimit == 0) 384 continue; 385 xo_open_instance("socket"); 386 if (Aflag) { 387 if (istcp) 388 xo_emit("{q:address/%*lx} ", 389 2 * (int)sizeof(void *), 390 (u_long)inp->inp_ppcb); 391 else 392 xo_emit("{q:address/%*lx} ", 393 2 * (int)sizeof(void *), 394 (u_long)so->so_pcb); 395 } 396 #ifdef INET6 397 if ((inp->inp_vflag & INP_IPV6) != 0) 398 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 399 "46" : "6"; 400 else 401 #endif 402 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 403 "4" : ""; 404 if (istcp && (tp->t_flags & TF_TOE) != 0) 405 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 406 else 407 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 408 if (Lflag) { 409 char buf1[33]; 410 411 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 412 so->so_incqlen, so->so_qlimit); 413 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 414 } else if (Tflag) { 415 if (istcp) 416 xo_emit("{:sent-retransmit-packets/%6u} " 417 "{:received-out-of-order-packets/%6u} " 418 "{:sent-zero-window/%6u} ", 419 tp->t_sndrexmitpack, tp->t_rcvoopack, 420 tp->t_sndzerowin); 421 else 422 xo_emit("{P:/%21s}", ""); 423 } else { 424 xo_emit("{:receive-bytes-waiting/%6u} " 425 "{:send-bytes-waiting/%6u} ", 426 so->so_rcv.sb_cc, so->so_snd.sb_cc); 427 } 428 if (numeric_port) { 429 #ifdef INET 430 if (inp->inp_vflag & INP_IPV4) { 431 inetprint("local", &inp->inp_laddr, 432 (int)inp->inp_lport, name, 1, af1); 433 if (!Lflag) 434 inetprint("remote", &inp->inp_faddr, 435 (int)inp->inp_fport, name, 1, af1); 436 } 437 #endif 438 #if defined(INET) && defined(INET6) 439 else 440 #endif 441 #ifdef INET6 442 if (inp->inp_vflag & INP_IPV6) { 443 inet6print("local", &inp->in6p_laddr, 444 (int)inp->inp_lport, name, 1); 445 if (!Lflag) 446 inet6print("remote", &inp->in6p_faddr, 447 (int)inp->inp_fport, name, 1); 448 } /* else nothing printed now */ 449 #endif /* INET6 */ 450 } else if (inp->inp_flags & INP_ANONPORT) { 451 #ifdef INET 452 if (inp->inp_vflag & INP_IPV4) { 453 inetprint("local", &inp->inp_laddr, 454 (int)inp->inp_lport, name, 1, af1); 455 if (!Lflag) 456 inetprint("remote", &inp->inp_faddr, 457 (int)inp->inp_fport, name, 0, af1); 458 } 459 #endif 460 #if defined(INET) && defined(INET6) 461 else 462 #endif 463 #ifdef INET6 464 if (inp->inp_vflag & INP_IPV6) { 465 inet6print("local", &inp->in6p_laddr, 466 (int)inp->inp_lport, name, 1); 467 if (!Lflag) 468 inet6print("remote", &inp->in6p_faddr, 469 (int)inp->inp_fport, name, 0); 470 } /* else nothing printed now */ 471 #endif /* INET6 */ 472 } else { 473 #ifdef INET 474 if (inp->inp_vflag & INP_IPV4) { 475 inetprint("local", &inp->inp_laddr, 476 (int)inp->inp_lport, name, 0, af1); 477 if (!Lflag) 478 inetprint("remote", &inp->inp_faddr, 479 (int)inp->inp_fport, name, 480 inp->inp_lport != inp->inp_fport, 481 af1); 482 } 483 #endif 484 #if defined(INET) && defined(INET6) 485 else 486 #endif 487 #ifdef INET6 488 if (inp->inp_vflag & INP_IPV6) { 489 inet6print("local", &inp->in6p_laddr, 490 (int)inp->inp_lport, name, 0); 491 if (!Lflag) 492 inet6print("remote", &inp->in6p_faddr, 493 (int)inp->inp_fport, name, 494 inp->inp_lport != inp->inp_fport); 495 } /* else nothing printed now */ 496 #endif /* INET6 */ 497 } 498 if (xflag) { 499 xo_emit("{:receive-high-water/%6u} " 500 "{:send-high-water/%6u} " 501 "{:receive-low-water/%6u} {:send-low-water/%6u} " 502 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 503 "{:receive-mbuf-bytes-max/%6u} " 504 "{:send-mbuf-bytes-max/%6u}", 505 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 506 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 507 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 508 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 509 if (istcp) 510 xo_emit(" {:retransmit-timer/%4d.%02d} " 511 "{:persist-timer/%4d.%02d} " 512 "{:keepalive-timer/%4d.%02d} " 513 "{:msl2-timer/%4d.%02d} " 514 "{:delay-ack-timer/%4d.%02d} " 515 "{:inactivity-timer/%4d.%02d}", 516 tp->tt_rexmt / 1000, 517 (tp->tt_rexmt % 1000) / 10, 518 tp->tt_persist / 1000, 519 (tp->tt_persist % 1000) / 10, 520 tp->tt_keep / 1000, 521 (tp->tt_keep % 1000) / 10, 522 tp->tt_2msl / 1000, 523 (tp->tt_2msl % 1000) / 10, 524 tp->tt_delack / 1000, 525 (tp->tt_delack % 1000) / 10, 526 tp->t_rcvtime / 1000, 527 (tp->t_rcvtime % 1000) / 10); 528 } 529 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 530 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 531 xo_emit("{:tcp-state/%-11d}", tp->t_state); 532 else { 533 xo_emit("{:tcp-state/%-11s}", 534 tcpstates[tp->t_state]); 535 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 536 /* Show T/TCP `hidden state' */ 537 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 538 xo_emit("{:need-syn-or-fin/*}"); 539 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 540 } 541 } 542 if (Rflag) { 543 /* XXX: is this right Alfred */ 544 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 545 inp->inp_flowid, 546 inp->inp_flowtype); 547 } 548 if (istcp) { 549 if (cflag) 550 xo_emit(" {:stack/%-*.*s}", 551 552 fnamelen, fnamelen, tp->xt_stack); 553 if (Cflag) 554 xo_emit(" {:cc/%-*.*s}" 555 " {:snd-cwnd/%10lu}" 556 " {:snd-ssthresh/%10lu}" 557 " {:t-maxseg/%5u} {:ecn/%3s}", 558 cnamelen, cnamelen, tp->xt_cc, 559 tp->t_snd_cwnd, tp->t_snd_ssthresh, 560 tp->t_maxseg, 561 (tp->t_state >= TCPS_ESTABLISHED ? 562 (tp->xt_ecn > 0 ? 563 (tp->xt_ecn == 1 ? 564 "ecn" : "ace") 565 : "off") 566 : "n/a")); 567 if (Pflag) 568 xo_emit(" {:log-id/%s}", 569 tp->xt_logid[0] == '\0' ? 570 "-" : tp->xt_logid); 571 } 572 xo_emit("\n"); 573 xo_close_instance("socket"); 574 } 575 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 576 if (oxig->xig_count > xig->xig_count) { 577 xo_emit("Some {d:lost/%s} sockets may have been " 578 "deleted.\n", name); 579 } else if (oxig->xig_count < xig->xig_count) { 580 xo_emit("Some {d:created/%s} sockets may have been " 581 "created.\n", name); 582 } else { 583 xo_emit("Some {d:changed/%s} sockets may have been " 584 "created or deleted.\n", name); 585 } 586 } 587 free(buf); 588 } 589 590 /* 591 * Dump TCP statistics structure. 592 */ 593 void 594 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 595 { 596 struct tcpstat tcpstat; 597 uint64_t tcps_states[TCP_NSTATES]; 598 599 #ifdef INET6 600 if (tcp_done != 0) 601 return; 602 else 603 tcp_done = 1; 604 #endif 605 606 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 607 sizeof(tcpstat), kread_counters) != 0) 608 return; 609 610 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 611 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 612 return; 613 614 xo_open_container("tcp"); 615 xo_emit("{T:/%s}:\n", name); 616 617 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 618 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 619 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 620 xo_emit(m, (uintmax_t )tcpstat.f) 621 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 622 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 623 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 624 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 625 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 626 (uintmax_t )tcpstat.f2) 627 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 628 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 629 630 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 631 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 632 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 633 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 634 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 635 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 636 "{N:retransmitted}\n"); 637 p(tcps_sndrexmitbad, "\t\t" 638 "{:sent-unnecessary-retransmitted-packets/%ju} " 639 "{N:/data packet%s unnecessarily retransmitted}\n"); 640 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 641 "{N:/resend%s initiated by MTU discovery}\n"); 642 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 643 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 644 "{N:delayed})\n"); 645 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 646 "{N:/URG only packet%s}\n"); 647 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 648 "{N:/window probe packet%s}\n"); 649 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 650 "{N:/window update packet%s}\n"); 651 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 652 "{N:/control packet%s}\n"); 653 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 654 "{N:/packet%s received}\n"); 655 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 656 "{:received-ack-packets/%ju} {N:/ack%s} " 657 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 658 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 659 "{N:/duplicate ack%s}\n"); 660 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 661 "{N:/UDP tunneled pkt%s}\n"); 662 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 663 "{N:/UDP tunneled pkt cnt with error%s}\n"); 664 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 665 "{N:/ack%s for unsent data}\n"); 666 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 667 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 668 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 669 "{N:received in-sequence}\n"); 670 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 671 "{:received-completely-duplicate-packets/%ju} " 672 "{N:/completely duplicate packet%s} " 673 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 674 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 675 "{N:/old duplicate packet%s}\n"); 676 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 677 "{:received-some-duplicate-packets/%ju} " 678 "{N:/packet%s with some dup. data} " 679 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 680 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 681 "{N:/out-of-order packet%s} " 682 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 683 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 684 "{:received-after-window-packets/%ju} {N:/packet%s} " 685 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 686 "{N:of data after window}\n"); 687 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 688 "{N:/window probe%s}\n"); 689 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 690 "{N:/window update packet%s}\n"); 691 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 692 "{N:/packet%s received with dsack}\n"); 693 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 694 "{N:/dsack byte%s received (no TLP involved)}\n"); 695 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 696 "{N:/dsack byte%s received (TLP responsible)}\n"); 697 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 698 "{N:/packet%s received after close}\n"); 699 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 700 "{N:/discarded for bad checksum%s}\n"); 701 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 702 "{N:/discarded for bad header offset field%s}\n"); 703 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 704 "{N:discarded because packet too short}\n"); 705 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 706 "{N:discarded due to full reassembly queue}\n"); 707 p(tcps_connattempt, "\t{:connection-requests/%ju} " 708 "{N:/connection request%s}\n"); 709 p(tcps_accepts, "\t{:connections-accepts/%ju} " 710 "{N:/connection accept%s}\n"); 711 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 712 "{N:/bad connection attempt%s}\n"); 713 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 714 "{N:/listen queue overflow%s}\n"); 715 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 716 "{N:/ignored RSTs in the window%s}\n"); 717 p(tcps_connects, "\t{:connections-established/%ju} " 718 "{N:/connection%s established (including accepts)}\n"); 719 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 720 "{N:/time%s used RTT from hostcache}\n"); 721 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 722 "{N:/time%s used RTT variance from hostcache}\n"); 723 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 724 "{N:/time%s used slow-start threshold from hostcache}\n"); 725 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 726 "{N:/connection%s closed (including} " 727 "{:connection-drops/%ju} {N:/drop%s})\n"); 728 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 729 "{N:/connection%s updated cached RTT on close}\n"); 730 p(tcps_cachedrttvar, "\t\t" 731 "{:connections-updated-variance-on-close/%ju} " 732 "{N:/connection%s updated cached RTT variance on close}\n"); 733 p(tcps_cachedssthresh, "\t\t" 734 "{:connections-updated-ssthresh-on-close/%ju} " 735 "{N:/connection%s updated cached ssthresh on close}\n"); 736 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 737 "{N:/embryonic connection%s dropped}\n"); 738 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 739 "{N:/segment%s updated rtt (of} " 740 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 741 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 742 "{N:/retransmit timeout%s}\n"); 743 p(tcps_timeoutdrop, "\t\t" 744 "{:connections-dropped-by-retransmit-timeout/%ju} " 745 "{N:/connection%s dropped by rexmit timeout}\n"); 746 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 747 "{N:/persist timeout%s}\n"); 748 p(tcps_persistdrop, "\t\t" 749 "{:connections-dropped-by-persist-timeout/%ju} " 750 "{N:/connection%s dropped by persist timeout}\n"); 751 p(tcps_finwait2_drops, "\t" 752 "{:connections-dropped-by-finwait2-timeout/%ju} " 753 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 754 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 755 "{N:/keepalive timeout%s}\n"); 756 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 757 "{N:/keepalive probe%s sent}\n"); 758 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 759 "{N:/connection%s dropped by keepalive}\n"); 760 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 761 "{N:/connection%s dropped due to exceeding progress time}\n"); 762 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 763 "{N:/correct ACK header prediction%s}\n"); 764 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 765 "{N:/correct data packet header prediction%s}\n"); 766 767 xo_open_container("syncache"); 768 769 p3(tcps_sc_added, "\t{:entries-added/%ju} " 770 "{N:/syncache entr%s added}\n"); 771 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 772 "{N:/retransmitted}\n"); 773 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 774 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 775 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 776 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 777 "{N:/bucket overflow}\n"); 778 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 779 "{N:/cache overflow}\n"); 780 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 781 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 782 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 783 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 784 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 785 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 786 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 787 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 788 "{N:/cookie%s received}\n"); 789 790 xo_close_container("syncache"); 791 792 xo_open_container("hostcache"); 793 794 p3(tcps_hc_added, "\t{:entries-added/%ju} " 795 "{N:/hostcache entr%s added}\n"); 796 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 797 "{N:/bucket overflow}\n"); 798 799 xo_close_container("hostcache"); 800 801 xo_open_container("sack"); 802 803 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 804 "{N:/SACK recovery episode%s}\n"); 805 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 806 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 807 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 808 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 809 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 810 "{N:/SACK option%s (SACK blocks) received}\n"); 811 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 812 "{N:/SACK option%s (SACK blocks) sent}\n"); 813 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 814 "{N:/SACK retransmission%s lost}\n"); 815 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 816 "{N:/SACK scoreboard overflow}\n"); 817 818 xo_close_container("sack"); 819 xo_open_container("ecn"); 820 821 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 822 "{N:/packet%s received with ECN CE bit set}\n"); 823 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 824 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 825 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 826 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 827 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 828 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 829 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 830 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 831 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 832 "{N:/successful ECN handshake%s}\n"); 833 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 834 "{N:/time%s ECN reduced the congestion window}\n"); 835 836 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 837 "{N:/ACE SYN packet%s with Non-ECT}\n"); 838 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 839 "{N:/ACE SYN packet%s with ECT0}\n"); 840 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 841 "{N:/ACE SYN packet%s with ECT1}\n"); 842 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 843 "{N:/ACE SYN packet%s with CE}\n"); 844 845 xo_close_container("ecn"); 846 xo_open_container("tcp-signature"); 847 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 848 "{N:/packet%s with matching signature received}\n"); 849 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 850 "{N:/packet%s with bad signature received}\n"); 851 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 852 "{N:/time%s failed to make signature due to no SA}\n"); 853 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 854 "{N:/time%s unexpected signature received}\n"); 855 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 856 "{N:/time%s no signature provided by segment}\n"); 857 858 xo_close_container("tcp-signature"); 859 xo_open_container("pmtud"); 860 861 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 862 "{N:/Path MTU discovery black hole detection activation%s}\n"); 863 p(tcps_pmtud_blackhole_activated_min_mss, 864 "\t{:pmtud-activated-min-mss/%ju} " 865 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 866 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 867 "{N:/Path MTU discovery black hole detection failure%s}\n"); 868 869 xo_close_container("pmtud"); 870 xo_open_container("tw"); 871 872 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 873 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 874 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 875 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 876 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 877 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 878 879 xo_close_container("tw"); 880 #undef p 881 #undef p1a 882 #undef p2 883 #undef p2a 884 #undef p3 885 886 xo_open_container("TCP connection count by state"); 887 xo_emit("{T:/TCP connection count by state}:\n"); 888 for (int i = 0; i < TCP_NSTATES; i++) { 889 /* 890 * XXXGL: is there a way in libxo to use %s 891 * in the "content string" of a format 892 * string? I failed to do that, that's why 893 * a temporary buffer is used to construct 894 * format string for xo_emit(). 895 */ 896 char fmtbuf[80]; 897 898 if (sflag > 1 && tcps_states[i] == 0) 899 continue; 900 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 901 "{Np:/connection ,connections} in %s state\n", 902 tcpstates[i], tcpstates[i]); 903 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 904 } 905 xo_close_container("TCP connection count by state"); 906 907 xo_close_container("tcp"); 908 } 909 910 /* 911 * Dump UDP statistics structure. 912 */ 913 void 914 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 915 { 916 struct udpstat udpstat; 917 uint64_t delivered; 918 919 #ifdef INET6 920 if (udp_done != 0) 921 return; 922 else 923 udp_done = 1; 924 #endif 925 926 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 927 sizeof(udpstat), kread_counters) != 0) 928 return; 929 930 xo_open_container("udp"); 931 xo_emit("{T:/%s}:\n", name); 932 933 #define p(f, m) if (udpstat.f || sflag <= 1) \ 934 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 935 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 936 xo_emit("\t" m, (uintmax_t)udpstat.f) 937 938 p(udps_ipackets, "{:received-datagrams/%ju} " 939 "{N:/datagram%s received}\n"); 940 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 941 "{N:/with incomplete header}\n"); 942 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 943 "{N:/with bad data length field}\n"); 944 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 945 "{N:/with bad checksum}\n"); 946 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 947 "{N:/with no checksum}\n"); 948 p1a(udps_noport, "{:dropped-no-socket/%ju} " 949 "{N:/dropped due to no socket}\n"); 950 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 951 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 952 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 953 "{N:/dropped due to full socket buffers}\n"); 954 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 955 "{N:/not for hashed pcb}\n"); 956 delivered = udpstat.udps_ipackets - 957 udpstat.udps_hdrops - 958 udpstat.udps_badlen - 959 udpstat.udps_badsum - 960 udpstat.udps_noport - 961 udpstat.udps_noportbcast - 962 udpstat.udps_fullsock; 963 if (delivered || sflag <= 1) 964 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 965 (uint64_t)delivered); 966 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 967 /* the next statistic is cumulative in udps_noportbcast */ 968 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 969 "{N:/time%s multicast source filter matched}\n"); 970 #undef p 971 #undef p1a 972 xo_close_container("udp"); 973 } 974 975 /* 976 * Dump CARP statistics structure. 977 */ 978 void 979 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 980 { 981 struct carpstats carpstat; 982 983 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 984 sizeof(carpstat), kread_counters) != 0) 985 return; 986 987 xo_open_container(name); 988 xo_emit("{T:/%s}:\n", name); 989 990 #define p(f, m) if (carpstat.f || sflag <= 1) \ 991 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 992 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 993 xo_emit(m, (uintmax_t)carpstat.f) 994 995 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 996 "{N:/packet%s received (IPv4)}\n"); 997 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 998 "{N:/packet%s received (IPv6)}\n"); 999 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 1000 "{N:/packet%s discarded for wrong TTL}\n"); 1001 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 1002 "{N:/packet%s shorter than header}\n"); 1003 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 1004 "{N:/discarded for bad checksum%s}\n"); 1005 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 1006 "{N:/discarded packet%s with a bad version}\n"); 1007 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 1008 "{N:/discarded because packet too short}\n"); 1009 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 1010 "{N:/discarded for bad authentication}\n"); 1011 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 1012 "{N:/discarded for bad vhid}\n"); 1013 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1014 "{N:/discarded because of a bad address list}\n"); 1015 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1016 "{N:/packet%s sent (IPv4)}\n"); 1017 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1018 "{N:/packet%s sent (IPv6)}\n"); 1019 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1020 "{N:/send failed due to mbuf memory error}\n"); 1021 #if notyet 1022 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1023 "{N:/state update%s sent}\n"); 1024 #endif 1025 #undef p 1026 #undef p2 1027 xo_close_container(name); 1028 } 1029 1030 /* 1031 * Dump IP statistics structure. 1032 */ 1033 void 1034 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1035 { 1036 struct ipstat ipstat; 1037 1038 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1039 sizeof(ipstat), kread_counters) != 0) 1040 return; 1041 1042 xo_open_container(name); 1043 xo_emit("{T:/%s}:\n", name); 1044 1045 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1046 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1047 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1048 xo_emit(m, (uintmax_t )ipstat.f) 1049 1050 p(ips_total, "\t{:received-packets/%ju} " 1051 "{N:/total packet%s received}\n"); 1052 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1053 "{N:/bad header checksum%s}\n"); 1054 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1055 "{N:/with size smaller than minimum}\n"); 1056 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1057 "{N:/with data size < data length}\n"); 1058 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1059 "{N:/with ip length > max ip packet size}\n"); 1060 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1061 "{N:/with header length < data size}\n"); 1062 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1063 "{N:/with data length < header length}\n"); 1064 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1065 "{N:/with bad options}\n"); 1066 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1067 "{N:/with incorrect version number}\n"); 1068 p(ips_fragments, "\t{:received-fragments/%ju} " 1069 "{N:/fragment%s received}\n"); 1070 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1071 "{N:/fragment%s dropped (dup or out of space)}\n"); 1072 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1073 "{N:/fragment%s dropped after timeout}\n"); 1074 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1075 "{N:/packet%s reassembled ok}\n"); 1076 p(ips_delivered, "\t{:received-local-packets/%ju} " 1077 "{N:/packet%s for this host}\n"); 1078 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1079 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1080 p(ips_forward, "\t{:forwarded-packets/%ju} " 1081 "{N:/packet%s forwarded}"); 1082 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1083 "{N:/packet%s fast forwarded})"); 1084 if (ipstat.ips_forward || sflag <= 1) 1085 xo_emit("\n"); 1086 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1087 "{N:/packet%s not forwardable}\n"); 1088 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1089 "{N:/packet%s received for unknown multicast group}\n"); 1090 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1091 "{N:/redirect%s sent}\n"); 1092 p(ips_localout, "\t{:sent-packets/%ju} " 1093 "{N:/packet%s sent from this host}\n"); 1094 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1095 "{N:/packet%s sent with fabricated ip header}\n"); 1096 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1097 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1098 p(ips_noroute, "\t{:discard-no-route/%ju} " 1099 "{N:/output packet%s discarded due to no route}\n"); 1100 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1101 "{N:/output datagram%s fragmented}\n"); 1102 p(ips_ofragments, "\t{:fragments-created/%ju} " 1103 "{N:/fragment%s created}\n"); 1104 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1105 "{N:/datagram%s that can't be fragmented}\n"); 1106 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1107 "{N:/tunneling packet%s that can't find gif}\n"); 1108 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1109 "{N:/datagram%s with bad address in header}\n"); 1110 #undef p 1111 #undef p1a 1112 xo_close_container(name); 1113 } 1114 1115 /* 1116 * Dump ARP statistics structure. 1117 */ 1118 void 1119 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1120 { 1121 struct arpstat arpstat; 1122 1123 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1124 sizeof(arpstat), kread_counters) != 0) 1125 return; 1126 1127 xo_open_container(name); 1128 xo_emit("{T:/%s}:\n", name); 1129 1130 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1131 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1132 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1133 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1134 1135 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1136 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1137 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1138 p(rxrequests, "{:received-requests/%ju} " 1139 "{N:/ARP request%s received}\n"); 1140 p2(rxreplies, "{:received-replies/%ju} " 1141 "{N:/ARP repl%s received}\n"); 1142 p(received, "{:received-packets/%ju} " 1143 "{N:/ARP packet%s received}\n"); 1144 p(dropped, "{:dropped-no-entry/%ju} " 1145 "{N:/total packet%s dropped due to no ARP entry}\n"); 1146 p(timeouts, "{:entries-timeout/%ju} " 1147 "{N:/ARP entry%s timed out}\n"); 1148 p(dupips, "{:dropped-duplicate-address/%ju} " 1149 "{N:/Duplicate IP%s seen}\n"); 1150 #undef p 1151 #undef p2 1152 xo_close_container(name); 1153 } 1154 1155 1156 1157 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1158 "echo reply", /* RFC 792 */ 1159 "#1", 1160 "#2", 1161 "destination unreachable", /* RFC 792 */ 1162 "source quench", /* RFC 792 */ 1163 "routing redirect", /* RFC 792 */ 1164 "#6", 1165 "#7", 1166 "echo", /* RFC 792 */ 1167 "router advertisement", /* RFC 1256 */ 1168 "router solicitation", /* RFC 1256 */ 1169 "time exceeded", /* RFC 792 */ 1170 "parameter problem", /* RFC 792 */ 1171 "time stamp", /* RFC 792 */ 1172 "time stamp reply", /* RFC 792 */ 1173 "information request", /* RFC 792 */ 1174 "information request reply", /* RFC 792 */ 1175 "address mask request", /* RFC 950 */ 1176 "address mask reply", /* RFC 950 */ 1177 "#19", 1178 "#20", 1179 "#21", 1180 "#22", 1181 "#23", 1182 "#24", 1183 "#25", 1184 "#26", 1185 "#27", 1186 "#28", 1187 "#29", 1188 "icmp traceroute", /* RFC 1393 */ 1189 "datagram conversion error", /* RFC 1475 */ 1190 "mobile host redirect", 1191 "IPv6 where-are-you", 1192 "IPv6 i-am-here", 1193 "mobile registration req", 1194 "mobile registration reply", 1195 "domain name request", /* RFC 1788 */ 1196 "domain name reply", /* RFC 1788 */ 1197 "icmp SKIP", 1198 "icmp photuris", /* RFC 2521 */ 1199 }; 1200 1201 /* 1202 * Dump ICMP statistics. 1203 */ 1204 void 1205 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1206 { 1207 struct icmpstat icmpstat; 1208 size_t len; 1209 int i, first; 1210 1211 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1212 sizeof(icmpstat), kread_counters) != 0) 1213 return; 1214 1215 xo_open_container(name); 1216 xo_emit("{T:/%s}:\n", name); 1217 1218 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1219 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1220 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1221 xo_emit(m, icmpstat.f) 1222 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1223 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1224 1225 p(icps_error, "\t{:icmp-calls/%lu} " 1226 "{N:/call%s to icmp_error}\n"); 1227 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1228 "{N:/error%s not generated in response to an icmp message}\n"); 1229 1230 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1231 if (icmpstat.icps_outhist[i] != 0) { 1232 if (first) { 1233 xo_open_list("output-histogram"); 1234 xo_emit("\tOutput histogram:\n"); 1235 first = 0; 1236 } 1237 xo_open_instance("output-histogram"); 1238 if (icmpnames[i] != NULL) 1239 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1240 icmpnames[i], icmpstat.icps_outhist[i]); 1241 else 1242 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1243 "{:count/%lu}\n", 1244 i, icmpstat.icps_outhist[i]); 1245 xo_close_instance("output-histogram"); 1246 } 1247 } 1248 if (!first) 1249 xo_close_list("output-histogram"); 1250 1251 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1252 "{N:/message%s with bad code fields}\n"); 1253 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1254 "{N:/message%s less than the minimum length}\n"); 1255 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1256 "{N:/message%s with bad checksum}\n"); 1257 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1258 "{N:/message%s with bad length}\n"); 1259 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1260 "{N:/multicast echo requests ignored}\n"); 1261 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1262 "{N:/multicast timestamp requests ignored}\n"); 1263 1264 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1265 if (icmpstat.icps_inhist[i] != 0) { 1266 if (first) { 1267 xo_open_list("input-histogram"); 1268 xo_emit("\tInput histogram:\n"); 1269 first = 0; 1270 } 1271 xo_open_instance("input-histogram"); 1272 if (icmpnames[i] != NULL) 1273 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1274 icmpnames[i], 1275 icmpstat.icps_inhist[i]); 1276 else 1277 xo_emit( 1278 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1279 i, icmpstat.icps_inhist[i]); 1280 xo_close_instance("input-histogram"); 1281 } 1282 } 1283 if (!first) 1284 xo_close_list("input-histogram"); 1285 1286 p(icps_reflect, "\t{:sent-packets/%lu} " 1287 "{N:/message response%s generated}\n"); 1288 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1289 "{N:/invalid return address%s}\n"); 1290 p(icps_noroute, "\t{:discard-no-route/%lu} " 1291 "{N:/no return route%s}\n"); 1292 #undef p 1293 #undef p1a 1294 #undef p2 1295 if (live) { 1296 len = sizeof i; 1297 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1298 0) 1299 return; 1300 xo_emit("\tICMP address mask responses are " 1301 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1302 } 1303 1304 xo_close_container(name); 1305 } 1306 1307 /* 1308 * Dump IGMP statistics structure. 1309 */ 1310 void 1311 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1312 { 1313 struct igmpstat igmpstat; 1314 int error, zflag0; 1315 1316 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1317 sizeof(igmpstat), kread) != 0) 1318 return; 1319 /* 1320 * Reread net.inet.igmp.stats when zflag == 1. 1321 * This is because this MIB contains version number and 1322 * length of the structure which are not set when clearing 1323 * the counters. 1324 */ 1325 zflag0 = zflag; 1326 if (zflag) { 1327 zflag = 0; 1328 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1329 sizeof(igmpstat), kread); 1330 zflag = zflag0; 1331 if (error) 1332 return; 1333 } 1334 1335 if (igmpstat.igps_version != IGPS_VERSION_3) { 1336 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1337 igmpstat.igps_version, IGPS_VERSION_3); 1338 return; 1339 } 1340 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1341 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1342 igmpstat.igps_len, IGPS_VERSION3_LEN); 1343 return; 1344 } 1345 1346 xo_open_container(name); 1347 xo_emit("{T:/%s}:\n", name); 1348 1349 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1350 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1351 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1352 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1353 1354 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1355 "{N:/message%s received}\n"); 1356 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1357 "{N:/message%s received with too few bytes}\n"); 1358 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1359 "{N:/message%s received with wrong TTL}\n"); 1360 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1361 "{N:/message%s received with bad checksum}\n"); 1362 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1363 "{N:/V1\\/V2 membership quer%s received}\n"); 1364 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1365 "{N:/V3 membership quer%s received}\n"); 1366 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1367 "{N:/membership quer%s received with invalid field(s)}\n"); 1368 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1369 "{N:/general quer%s received}\n"); 1370 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1371 "{N:/group quer%s received}\n"); 1372 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1373 "{N:/group-source quer%s received}\n"); 1374 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1375 "{N:/group-source quer%s dropped}\n"); 1376 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1377 "{N:/membership report%s received}\n"); 1378 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1379 "{N:/membership report%s received with invalid field(s)}\n"); 1380 p64(igps_rcv_ourreports, "\t" 1381 "{:received-membership-reports-matching/%ju} " 1382 "{N:/membership report%s received for groups to which we belong}" 1383 "\n"); 1384 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1385 "{N:/V3 report%s received without Router Alert}\n"); 1386 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1387 "{N:/membership report%s sent}\n"); 1388 #undef p64 1389 #undef py64 1390 xo_close_container(name); 1391 } 1392 1393 /* 1394 * Dump PIM statistics structure. 1395 */ 1396 void 1397 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1398 int proto __unused) 1399 { 1400 struct pimstat pimstat; 1401 1402 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1403 sizeof(pimstat), kread_counters) != 0) 1404 return; 1405 1406 xo_open_container(name); 1407 xo_emit("{T:/%s}:\n", name); 1408 1409 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1410 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1411 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1412 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1413 1414 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1415 "{N:/message%s received}\n"); 1416 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1417 "{N:/byte%s received}\n"); 1418 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1419 "{N:/message%s received with too few bytes}\n"); 1420 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1421 "{N:/message%s received with bad checksum}\n"); 1422 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1423 "{N:/message%s received with bad version}\n"); 1424 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1425 "{N:/data register message%s received}\n"); 1426 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1427 "{N:/data register byte%s received}\n"); 1428 p(pims_rcv_registers_wrongiif, "\t" 1429 "{:received-data-register-wrong-interface/%ju} " 1430 "{N:/data register message%s received on wrong iif}\n"); 1431 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1432 "{N:/bad register%s received}\n"); 1433 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1434 "{N:/data register message%s sent}\n"); 1435 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1436 "{N:/data register byte%s sent}\n"); 1437 #undef p 1438 #undef py 1439 xo_close_container(name); 1440 } 1441 1442 /* 1443 * Dump divert(4) statistics structure. 1444 */ 1445 void 1446 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1447 { 1448 struct divstat divstat; 1449 1450 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1451 sizeof(divstat), kread_counters) != 0) 1452 return; 1453 1454 xo_open_container(name); 1455 xo_emit("{T:/%s}:\n", name); 1456 1457 #define p(f, m) if (divstat.f || sflag <= 1) \ 1458 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1459 1460 p(div_diverted, "\t{:diverted-packets/%ju} " 1461 "{N:/packet%s successfully diverted to userland}\n"); 1462 p(div_noport, "\t{:noport-fails/%ju} " 1463 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1464 p(div_outbound, "\t{:outbound-packets/%ju} " 1465 "{N:/packet%s successfully re-injected as outbound}\n"); 1466 p(div_inbound, "\t{:inbound-packets/%ju} " 1467 "{N:/packet%s successfully re-injected as inbound}\n"); 1468 #undef p 1469 xo_close_container(name); 1470 } 1471 1472 #ifdef INET 1473 /* 1474 * Pretty print an Internet address (net address + port). 1475 */ 1476 static void 1477 inetprint(const char *container, struct in_addr *in, int port, 1478 const char *proto, int num_port, const int af1) 1479 { 1480 struct servent *sp = 0; 1481 char line[80], *cp; 1482 int width; 1483 size_t alen, plen; 1484 1485 if (container) 1486 xo_open_container(container); 1487 1488 if (Wflag) 1489 snprintf(line, sizeof(line), "%s.", inetname(in)); 1490 else 1491 snprintf(line, sizeof(line), "%.*s.", 1492 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1493 alen = strlen(line); 1494 cp = line + alen; 1495 if (!num_port && port) 1496 sp = getservbyport((int)port, proto); 1497 if (sp || port == 0) 1498 snprintf(cp, sizeof(line) - alen, 1499 "%.15s ", sp ? sp->s_name : "*"); 1500 else 1501 snprintf(cp, sizeof(line) - alen, 1502 "%d ", ntohs((u_short)port)); 1503 width = (Aflag && !Wflag) ? 18 : 1504 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1505 if (Wflag) 1506 xo_emit("{d:target/%-*s} ", width, line); 1507 else 1508 xo_emit("{d:target/%-*.*s} ", width, width, line); 1509 1510 plen = strlen(cp) - 1; 1511 alen--; 1512 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1513 plen, cp); 1514 1515 if (container) 1516 xo_close_container(container); 1517 } 1518 1519 /* 1520 * Construct an Internet address representation. 1521 * If numeric_addr has been supplied, give 1522 * numeric value, otherwise try for symbolic name. 1523 */ 1524 char * 1525 inetname(struct in_addr *inp) 1526 { 1527 char *cp; 1528 static char line[MAXHOSTNAMELEN]; 1529 struct hostent *hp; 1530 1531 cp = 0; 1532 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1533 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1534 if (hp) { 1535 cp = hp->h_name; 1536 trimdomain(cp, strlen(cp)); 1537 } 1538 } 1539 if (inp->s_addr == INADDR_ANY) 1540 strcpy(line, "*"); 1541 else if (cp) { 1542 strlcpy(line, cp, sizeof(line)); 1543 } else { 1544 inp->s_addr = ntohl(inp->s_addr); 1545 #define C(x) ((u_int)((x) & 0xff)) 1546 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1547 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1548 C(inp->s_addr >> 8), C(inp->s_addr)); 1549 } 1550 return (line); 1551 } 1552 #endif 1553