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 #include <sys/param.h> 31 #include <sys/queue.h> 32 #include <sys/domain.h> 33 #include <sys/protosw.h> 34 #include <sys/socket.h> 35 #define _WANT_SOCKET 36 #include <sys/socketvar.h> 37 #include <sys/sysctl.h> 38 39 #include <net/route.h> 40 #include <net/if_arp.h> 41 #include <netinet/in.h> 42 #include <netinet/in_systm.h> 43 #include <netinet/ip.h> 44 #include <netinet/ip_carp.h> 45 #ifdef INET6 46 #include <netinet/ip6.h> 47 #endif /* INET6 */ 48 #include <netinet/in_pcb.h> 49 #include <netinet/ip_icmp.h> 50 #include <netinet/icmp_var.h> 51 #include <netinet/igmp_var.h> 52 #include <netinet/ip_divert.h> 53 #include <netinet/ip_var.h> 54 #include <netinet/pim_var.h> 55 #include <netinet/tcp.h> 56 #include <netinet/tcpip.h> 57 #include <netinet/tcp_seq.h> 58 #define TCPSTATES 59 #include <netinet/tcp_fsm.h> 60 #include <netinet/tcp_timer.h> 61 #include <netinet/tcp_var.h> 62 #include <netinet/udp.h> 63 #include <netinet/udp_var.h> 64 65 #include <arpa/inet.h> 66 #include <err.h> 67 #include <errno.h> 68 #include <libutil.h> 69 #include <netdb.h> 70 #include <stdint.h> 71 #include <stdio.h> 72 #include <stdlib.h> 73 #include <stdbool.h> 74 #include <string.h> 75 #include <unistd.h> 76 #include <libxo/xo.h> 77 #include "netstat.h" 78 #include "nl_defs.h" 79 80 #define max(a, b) (((a) > (b)) ? (a) : (b)) 81 82 #ifdef INET 83 static void inetprint(const char *, struct in_addr *, int, const char *, int, 84 const int); 85 #endif 86 #ifdef INET6 87 static int udp_done, tcp_done, sdp_done; 88 #endif /* INET6 */ 89 90 static int 91 pcblist_sysctl(int proto, const char *name, char **bufp) 92 { 93 const char *mibvar; 94 char *buf; 95 size_t len; 96 97 switch (proto) { 98 case IPPROTO_TCP: 99 mibvar = "net.inet.tcp.pcblist"; 100 break; 101 case IPPROTO_UDP: 102 mibvar = "net.inet.udp.pcblist"; 103 break; 104 default: 105 mibvar = "net.inet.raw.pcblist"; 106 break; 107 } 108 if (strncmp(name, "sdp", 3) == 0) 109 mibvar = "net.inet.sdp.pcblist"; 110 else if (strncmp(name, "divert", 6) == 0) 111 mibvar = "net.inet.divert.pcblist"; 112 len = 0; 113 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 114 if (errno != ENOENT) 115 xo_warn("sysctl: %s", mibvar); 116 return (0); 117 } 118 if ((buf = malloc(len)) == NULL) { 119 xo_warnx("malloc %lu bytes", (u_long)len); 120 return (0); 121 } 122 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 123 xo_warn("sysctl: %s", mibvar); 124 free(buf); 125 return (0); 126 } 127 *bufp = buf; 128 return (1); 129 } 130 131 /* 132 * Copied directly from uipc_socket2.c. We leave out some fields that are in 133 * nested structures that aren't used to avoid extra work. 134 */ 135 static void 136 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 137 { 138 xsb->sb_cc = sb->sb_ccc; 139 xsb->sb_hiwat = sb->sb_hiwat; 140 xsb->sb_mbcnt = sb->sb_mbcnt; 141 xsb->sb_mbmax = sb->sb_mbmax; 142 xsb->sb_lowat = sb->sb_lowat; 143 xsb->sb_flags = sb->sb_flags; 144 xsb->sb_timeo = sb->sb_timeo; 145 } 146 147 int 148 sotoxsocket(struct socket *so, struct xsocket *xso) 149 { 150 struct protosw proto; 151 struct domain domain; 152 153 bzero(xso, sizeof *xso); 154 xso->xso_len = sizeof *xso; 155 xso->xso_so = (uintptr_t)so; 156 xso->so_type = so->so_type; 157 xso->so_options = so->so_options; 158 xso->so_linger = so->so_linger; 159 xso->so_state = so->so_state; 160 xso->so_pcb = (uintptr_t)so->so_pcb; 161 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 162 return (-1); 163 xso->xso_protocol = proto.pr_protocol; 164 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 165 return (-1); 166 xso->xso_family = domain.dom_family; 167 xso->so_timeo = so->so_timeo; 168 xso->so_error = so->so_error; 169 if ((so->so_options & SO_ACCEPTCONN) != 0) { 170 xso->so_qlen = so->sol_qlen; 171 xso->so_incqlen = so->sol_incqlen; 172 xso->so_qlimit = so->sol_qlimit; 173 } else { 174 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 175 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 176 xso->so_oobmark = so->so_oobmark; 177 } 178 return (0); 179 } 180 181 /* 182 * Print a summary of connections related to an Internet 183 * protocol. For TCP, also give state of connection. 184 * Listening processes (aflag) are suppressed unless the 185 * -a (all) flag is specified. 186 */ 187 void 188 protopr(u_long off, const char *name, int af1, int proto) 189 { 190 static int first = 1; 191 int istcp; 192 char *buf; 193 const char *vchar; 194 struct xtcpcb *tp; 195 struct xinpcb *inp; 196 struct xinpgen *xig, *oxig; 197 struct xsocket *so; 198 int fnamelen, cnamelen; 199 200 istcp = 0; 201 switch (proto) { 202 case IPPROTO_TCP: 203 #ifdef INET6 204 if (strncmp(name, "sdp", 3) != 0) { 205 if (tcp_done != 0) 206 return; 207 else 208 tcp_done = 1; 209 } else { 210 if (sdp_done != 0) 211 return; 212 else 213 sdp_done = 1; 214 } 215 #endif 216 istcp = 1; 217 break; 218 case IPPROTO_UDP: 219 #ifdef INET6 220 if (udp_done != 0) 221 return; 222 else 223 udp_done = 1; 224 #endif 225 break; 226 } 227 228 if (!pcblist_sysctl(proto, name, &buf)) 229 return; 230 231 if (istcp && (cflag || Cflag)) { 232 fnamelen = strlen("Stack"); 233 cnamelen = strlen("CC"); 234 oxig = xig = (struct xinpgen *)buf; 235 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 236 xig->xig_len > sizeof(struct xinpgen); 237 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 238 tp = (struct xtcpcb *)xig; 239 inp = &tp->xt_inp; 240 if (inp->inp_gencnt > oxig->xig_gen) 241 continue; 242 so = &inp->xi_socket; 243 if (so->xso_protocol != proto) 244 continue; 245 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 246 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 247 } 248 } 249 250 oxig = xig = (struct xinpgen *)buf; 251 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 252 xig->xig_len > sizeof(struct xinpgen); 253 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 254 if (istcp) { 255 tp = (struct xtcpcb *)xig; 256 inp = &tp->xt_inp; 257 } else { 258 inp = (struct xinpcb *)xig; 259 } 260 so = &inp->xi_socket; 261 262 /* Ignore sockets for protocols other than the desired one. */ 263 if (proto != 0 && so->xso_protocol != proto) 264 continue; 265 266 /* Ignore PCBs which were freed during copyout. */ 267 if (inp->inp_gencnt > oxig->xig_gen) 268 continue; 269 270 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 271 #ifdef INET6 272 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 273 #endif /* INET6 */ 274 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 275 #ifdef INET6 276 && (inp->inp_vflag & INP_IPV6) == 0 277 #endif /* INET6 */ 278 )) 279 ) 280 continue; 281 if (!aflag && 282 ( 283 (istcp && tp->t_state == TCPS_LISTEN) 284 || (af1 == AF_INET && 285 inp->inp_laddr.s_addr == INADDR_ANY) 286 #ifdef INET6 287 || (af1 == AF_INET6 && 288 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 289 #endif /* INET6 */ 290 || (af1 == AF_UNSPEC && 291 (((inp->inp_vflag & INP_IPV4) != 0 && 292 inp->inp_laddr.s_addr == INADDR_ANY) 293 #ifdef INET6 294 || ((inp->inp_vflag & INP_IPV6) != 0 && 295 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 296 #endif 297 )) 298 )) 299 continue; 300 301 if (first) { 302 if (!Lflag) { 303 xo_emit("Active Internet connections"); 304 if (aflag) 305 xo_emit(" (including servers)"); 306 } else 307 xo_emit( 308 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 309 xo_emit("\n"); 310 if (Aflag) 311 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 312 "Tcpcb"); 313 if (Lflag) 314 xo_emit((Aflag && !Wflag) ? 315 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 316 ((!Wflag || af1 == AF_INET) ? 317 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 318 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 319 "Proto", "Listen", "Local Address"); 320 else if (Tflag) 321 xo_emit((Aflag && !Wflag) ? 322 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 323 ((!Wflag || af1 == AF_INET) ? 324 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 325 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 326 "Proto", "Rexmit", "OOORcv", "0-win", 327 "Local Address", "Foreign Address"); 328 else { 329 xo_emit((Aflag && !Wflag) ? 330 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 331 ((!Wflag || af1 == AF_INET) ? 332 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 333 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 334 "Proto", "Recv-Q", "Send-Q", 335 "Local Address", "Foreign Address"); 336 if (!xflag && !Rflag) 337 xo_emit(" {T:/%-11.11s}", "(state)"); 338 } 339 if (xflag) { 340 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 341 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 342 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 343 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 344 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 345 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 346 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 347 "rexmt", "persist", "keep", "2msl", 348 "delack", "rcvtime"); 349 } else if (Rflag) { 350 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 351 "flowid", "ftype"); 352 } 353 if (cflag) { 354 xo_emit(" {T:/%-*.*s}", 355 fnamelen, fnamelen, "Stack"); 356 } 357 if (Cflag) 358 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 359 " {T:/%10.10s} {T:/%5.5s}" 360 " {T:/%3.3s}", cnamelen, 361 cnamelen, "CC", 362 "cwin", 363 "ssthresh", 364 "MSS", 365 "ECN"); 366 if (Pflag) 367 xo_emit(" {T:/%s}", "Log ID"); 368 xo_emit("\n"); 369 first = 0; 370 } 371 if (Lflag && so->so_qlimit == 0) 372 continue; 373 xo_open_instance("socket"); 374 if (Aflag) 375 xo_emit("{q:address/%*lx} ", 2 * (int)sizeof(void *), 376 (u_long)so->so_pcb); 377 #ifdef INET6 378 if ((inp->inp_vflag & INP_IPV6) != 0) 379 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 380 "46" : "6"; 381 else 382 #endif 383 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 384 "4" : ""; 385 if (istcp && (tp->t_flags & TF_TOE) != 0) 386 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 387 else 388 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 389 if (Lflag) { 390 char buf1[33]; 391 392 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 393 so->so_incqlen, so->so_qlimit); 394 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 395 } else if (Tflag) { 396 if (istcp) 397 xo_emit("{:sent-retransmit-packets/%6u} " 398 "{:received-out-of-order-packets/%6u} " 399 "{:sent-zero-window/%6u} ", 400 tp->t_sndrexmitpack, tp->t_rcvoopack, 401 tp->t_sndzerowin); 402 else 403 xo_emit("{P:/%21s}", ""); 404 } else { 405 xo_emit("{:receive-bytes-waiting/%6u} " 406 "{:send-bytes-waiting/%6u} ", 407 so->so_rcv.sb_cc, so->so_snd.sb_cc); 408 } 409 if (numeric_port) { 410 #ifdef INET 411 if (inp->inp_vflag & INP_IPV4) { 412 inetprint("local", &inp->inp_laddr, 413 (int)inp->inp_lport, name, 1, af1); 414 if (!Lflag) 415 inetprint("remote", &inp->inp_faddr, 416 (int)inp->inp_fport, name, 1, af1); 417 } 418 #endif 419 #if defined(INET) && defined(INET6) 420 else 421 #endif 422 #ifdef INET6 423 if (inp->inp_vflag & INP_IPV6) { 424 inet6print("local", &inp->in6p_laddr, 425 (int)inp->inp_lport, name, 1); 426 if (!Lflag) 427 inet6print("remote", &inp->in6p_faddr, 428 (int)inp->inp_fport, name, 1); 429 } /* else nothing printed now */ 430 #endif /* INET6 */ 431 } else if (inp->inp_flags & INP_ANONPORT) { 432 #ifdef INET 433 if (inp->inp_vflag & INP_IPV4) { 434 inetprint("local", &inp->inp_laddr, 435 (int)inp->inp_lport, name, 1, af1); 436 if (!Lflag) 437 inetprint("remote", &inp->inp_faddr, 438 (int)inp->inp_fport, name, 0, af1); 439 } 440 #endif 441 #if defined(INET) && defined(INET6) 442 else 443 #endif 444 #ifdef INET6 445 if (inp->inp_vflag & INP_IPV6) { 446 inet6print("local", &inp->in6p_laddr, 447 (int)inp->inp_lport, name, 1); 448 if (!Lflag) 449 inet6print("remote", &inp->in6p_faddr, 450 (int)inp->inp_fport, name, 0); 451 } /* else nothing printed now */ 452 #endif /* INET6 */ 453 } else { 454 #ifdef INET 455 if (inp->inp_vflag & INP_IPV4) { 456 inetprint("local", &inp->inp_laddr, 457 (int)inp->inp_lport, name, 0, af1); 458 if (!Lflag) 459 inetprint("remote", &inp->inp_faddr, 460 (int)inp->inp_fport, name, 461 inp->inp_lport != inp->inp_fport, 462 af1); 463 } 464 #endif 465 #if defined(INET) && defined(INET6) 466 else 467 #endif 468 #ifdef INET6 469 if (inp->inp_vflag & INP_IPV6) { 470 inet6print("local", &inp->in6p_laddr, 471 (int)inp->inp_lport, name, 0); 472 if (!Lflag) 473 inet6print("remote", &inp->in6p_faddr, 474 (int)inp->inp_fport, name, 475 inp->inp_lport != inp->inp_fport); 476 } /* else nothing printed now */ 477 #endif /* INET6 */ 478 } 479 if (xflag) { 480 xo_emit("{:receive-high-water/%6u} " 481 "{:send-high-water/%6u} " 482 "{:receive-low-water/%6u} {:send-low-water/%6u} " 483 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 484 "{:receive-mbuf-bytes-max/%6u} " 485 "{:send-mbuf-bytes-max/%6u}", 486 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 487 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 488 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 489 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 490 if (istcp) 491 xo_emit(" {:retransmit-timer/%4d.%02d} " 492 "{:persist-timer/%4d.%02d} " 493 "{:keepalive-timer/%4d.%02d} " 494 "{:msl2-timer/%4d.%02d} " 495 "{:delay-ack-timer/%4d.%02d} " 496 "{:inactivity-timer/%4d.%02d}", 497 tp->tt_rexmt / 1000, 498 (tp->tt_rexmt % 1000) / 10, 499 tp->tt_persist / 1000, 500 (tp->tt_persist % 1000) / 10, 501 tp->tt_keep / 1000, 502 (tp->tt_keep % 1000) / 10, 503 tp->tt_2msl / 1000, 504 (tp->tt_2msl % 1000) / 10, 505 tp->tt_delack / 1000, 506 (tp->tt_delack % 1000) / 10, 507 tp->t_rcvtime / 1000, 508 (tp->t_rcvtime % 1000) / 10); 509 } 510 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 511 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 512 xo_emit("{:tcp-state/%-11d}", tp->t_state); 513 else { 514 xo_emit("{:tcp-state/%-11s}", 515 tcpstates[tp->t_state]); 516 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 517 /* Show T/TCP `hidden state' */ 518 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 519 xo_emit("{:need-syn-or-fin/*}"); 520 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 521 } 522 } 523 if (Rflag) { 524 /* XXX: is this right Alfred */ 525 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 526 inp->inp_flowid, 527 inp->inp_flowtype); 528 } 529 if (istcp) { 530 if (cflag) 531 xo_emit(" {:stack/%-*.*s}", 532 533 fnamelen, fnamelen, tp->xt_stack); 534 if (Cflag) 535 xo_emit(" {:cc/%-*.*s}" 536 " {:snd-cwnd/%10lu}" 537 " {:snd-ssthresh/%10lu}" 538 " {:t-maxseg/%5u} {:ecn/%3s}", 539 cnamelen, cnamelen, tp->xt_cc, 540 tp->t_snd_cwnd, tp->t_snd_ssthresh, 541 tp->t_maxseg, 542 (tp->t_state >= TCPS_ESTABLISHED ? 543 (tp->xt_ecn > 0 ? 544 (tp->xt_ecn == 1 ? 545 "ecn" : "ace") 546 : "off") 547 : "n/a")); 548 if (Pflag) 549 xo_emit(" {:log-id/%s}", 550 tp->xt_logid[0] == '\0' ? 551 "-" : tp->xt_logid); 552 } 553 xo_emit("\n"); 554 xo_close_instance("socket"); 555 } 556 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 557 if (oxig->xig_count > xig->xig_count) { 558 xo_emit("Some {d:lost/%s} sockets may have been " 559 "deleted.\n", name); 560 } else if (oxig->xig_count < xig->xig_count) { 561 xo_emit("Some {d:created/%s} sockets may have been " 562 "created.\n", name); 563 } else { 564 xo_emit("Some {d:changed/%s} sockets may have been " 565 "created or deleted.\n", name); 566 } 567 } 568 free(buf); 569 } 570 571 /* 572 * Dump TCP statistics structure. 573 */ 574 void 575 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 576 { 577 struct tcpstat tcpstat; 578 uint64_t tcps_states[TCP_NSTATES]; 579 580 #ifdef INET6 581 if (tcp_done != 0) 582 return; 583 else 584 tcp_done = 1; 585 #endif 586 587 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 588 sizeof(tcpstat), kread_counters) != 0) 589 return; 590 591 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 592 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 593 return; 594 595 xo_open_container("tcp"); 596 xo_emit("{T:/%s}:\n", name); 597 598 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 599 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 600 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 601 xo_emit(m, (uintmax_t )tcpstat.f) 602 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 603 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 604 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 605 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 606 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 607 (uintmax_t )tcpstat.f2) 608 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 609 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 610 611 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 612 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 613 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 614 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 615 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 616 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 617 "{N:retransmitted}\n"); 618 p(tcps_sndrexmitbad, "\t\t" 619 "{:sent-unnecessary-retransmitted-packets/%ju} " 620 "{N:/data packet%s unnecessarily retransmitted}\n"); 621 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 622 "{N:/resend%s initiated by MTU discovery}\n"); 623 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 624 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 625 "{N:delayed})\n"); 626 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 627 "{N:/URG only packet%s}\n"); 628 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 629 "{N:/window probe packet%s}\n"); 630 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 631 "{N:/window update packet%s}\n"); 632 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 633 "{N:/control packet%s}\n"); 634 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 635 "{N:/packet%s received}\n"); 636 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 637 "{:received-ack-packets/%ju} {N:/ack%s} " 638 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 639 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 640 "{N:/duplicate ack%s}\n"); 641 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 642 "{N:/UDP tunneled pkt%s}\n"); 643 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 644 "{N:/UDP tunneled pkt cnt with error%s}\n"); 645 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-data-not-yet-sent/%ju} " 646 "{N:/ack%s for data not yet sent}\n"); 647 p(tcps_rcvghostack, "\t\t{:received-acks-for-data-never-been-sent/%ju} " 648 "{N:/ack%s for data never been sent (ghost acks)}\n"); 649 p(tcps_rcvacktooold, "\t\t{:received-acks-for-data-being-too-old/%ju} " 650 "{N:/ack%s for data being too old}\n"); 651 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 652 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 653 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 654 "{N:received in-sequence}\n"); 655 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 656 "{:received-completely-duplicate-packets/%ju} " 657 "{N:/completely duplicate packet%s} " 658 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 659 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 660 "{N:/old duplicate packet%s}\n"); 661 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 662 "{:received-some-duplicate-packets/%ju} " 663 "{N:/packet%s with some dup. data} " 664 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 665 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 666 "{N:/out-of-order packet%s} " 667 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 668 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 669 "{:received-after-window-packets/%ju} {N:/packet%s} " 670 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 671 "{N:of data after window}\n"); 672 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 673 "{N:/window probe%s}\n"); 674 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 675 "{N:/window update packet%s}\n"); 676 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 677 "{N:/packet%s received with dsack}\n"); 678 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 679 "{N:/dsack byte%s received (no TLP involved)}\n"); 680 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 681 "{N:/dsack byte%s received (TLP responsible)}\n"); 682 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 683 "{N:/packet%s received after close}\n"); 684 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 685 "{N:/discarded for bad checksum%s}\n"); 686 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 687 "{N:/discarded for bad header offset field%s}\n"); 688 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 689 "{N:discarded because packet too short}\n"); 690 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 691 "{N:discarded due to full reassembly queue}\n"); 692 p(tcps_connattempt, "\t{:connection-requests/%ju} " 693 "{N:/connection request%s}\n"); 694 p(tcps_accepts, "\t{:connections-accepts/%ju} " 695 "{N:/connection accept%s}\n"); 696 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 697 "{N:/bad connection attempt%s}\n"); 698 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 699 "{N:/listen queue overflow%s}\n"); 700 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 701 "{N:/ignored RSTs in the window%s}\n"); 702 p(tcps_connects, "\t{:connections-established/%ju} " 703 "{N:/connection%s established (including accepts)}\n"); 704 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 705 "{N:/time%s used RTT from hostcache}\n"); 706 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 707 "{N:/time%s used RTT variance from hostcache}\n"); 708 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 709 "{N:/time%s used slow-start threshold from hostcache}\n"); 710 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 711 "{N:/connection%s closed (including} " 712 "{:connection-drops/%ju} {N:/drop%s})\n"); 713 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 714 "{N:/connection%s updated cached RTT on close}\n"); 715 p(tcps_cachedrttvar, "\t\t" 716 "{:connections-updated-variance-on-close/%ju} " 717 "{N:/connection%s updated cached RTT variance on close}\n"); 718 p(tcps_cachedssthresh, "\t\t" 719 "{:connections-updated-ssthresh-on-close/%ju} " 720 "{N:/connection%s updated cached ssthresh on close}\n"); 721 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 722 "{N:/embryonic connection%s dropped}\n"); 723 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 724 "{N:/segment%s updated rtt (of} " 725 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 726 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 727 "{N:/retransmit timeout%s}\n"); 728 p(tcps_timeoutdrop, "\t\t" 729 "{:connections-dropped-by-retransmit-timeout/%ju} " 730 "{N:/connection%s dropped by rexmit timeout}\n"); 731 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 732 "{N:/persist timeout%s}\n"); 733 p(tcps_persistdrop, "\t\t" 734 "{:connections-dropped-by-persist-timeout/%ju} " 735 "{N:/connection%s dropped by persist timeout}\n"); 736 p(tcps_finwait2_drops, "\t" 737 "{:connections-dropped-by-finwait2-timeout/%ju} " 738 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 739 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 740 "{N:/keepalive timeout%s}\n"); 741 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 742 "{N:/keepalive probe%s sent}\n"); 743 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 744 "{N:/connection%s dropped by keepalive}\n"); 745 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 746 "{N:/connection%s dropped due to exceeding progress time}\n"); 747 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 748 "{N:/correct ACK header prediction%s}\n"); 749 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 750 "{N:/correct data packet header prediction%s}\n"); 751 752 xo_open_container("syncache"); 753 754 p3(tcps_sc_added, "\t{:entries-added/%ju} " 755 "{N:/syncache entr%s added}\n"); 756 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 757 "{N:/retransmitted}\n"); 758 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 759 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 760 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 761 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 762 "{N:/bucket overflow}\n"); 763 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 764 "{N:/cache overflow}\n"); 765 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 766 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 767 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 768 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 769 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 770 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 771 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 772 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 773 "{N:/cookie%s received}\n"); 774 775 xo_close_container("syncache"); 776 777 xo_open_container("hostcache"); 778 779 p3(tcps_hc_added, "\t{:entries-added/%ju} " 780 "{N:/hostcache entr%s added}\n"); 781 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 782 "{N:/bucket overflow}\n"); 783 784 xo_close_container("hostcache"); 785 786 xo_open_container("sack"); 787 788 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 789 "{N:/SACK recovery episode%s}\n"); 790 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 791 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 792 p(tcps_sack_rexmits_tso, "\t{:tso-chunk-retransmits/%ju} " 793 "{N:/tso chunk rexmit%s in SACK recovery episodes}\n"); 794 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 795 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 796 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 797 "{N:/SACK option%s (SACK blocks) received}\n"); 798 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 799 "{N:/SACK option%s (SACK blocks) sent}\n"); 800 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 801 "{N:/SACK retransmission%s lost}\n"); 802 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 803 "{N:/SACK scoreboard overflow}\n"); 804 805 xo_close_container("sack"); 806 xo_open_container("ecn"); 807 808 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 809 "{N:/packet%s received with ECN CE bit set}\n"); 810 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 811 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 812 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 813 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 814 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 815 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 816 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 817 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 818 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 819 "{N:/successful ECN handshake%s}\n"); 820 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 821 "{N:/time%s ECN reduced the congestion window}\n"); 822 823 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 824 "{N:/ACE SYN packet%s with Non-ECT}\n"); 825 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 826 "{N:/ACE SYN packet%s with ECT0}\n"); 827 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 828 "{N:/ACE SYN packet%s with ECT1}\n"); 829 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 830 "{N:/ACE SYN packet%s with CE}\n"); 831 832 xo_close_container("ecn"); 833 xo_open_container("tcp-signature"); 834 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 835 "{N:/packet%s with matching signature received}\n"); 836 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 837 "{N:/packet%s with bad signature received}\n"); 838 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 839 "{N:/time%s failed to make signature due to no SA}\n"); 840 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 841 "{N:/time%s unexpected signature received}\n"); 842 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 843 "{N:/time%s no signature provided by segment}\n"); 844 845 xo_close_container("tcp-signature"); 846 xo_open_container("pmtud"); 847 848 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 849 "{N:/Path MTU discovery black hole detection activation%s}\n"); 850 p(tcps_pmtud_blackhole_activated_min_mss, 851 "\t{:pmtud-activated-min-mss/%ju} " 852 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 853 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 854 "{N:/Path MTU discovery black hole detection failure%s}\n"); 855 856 xo_close_container("pmtud"); 857 xo_open_container("tw"); 858 859 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 860 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 861 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 862 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 863 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 864 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 865 866 xo_close_container("tw"); 867 #undef p 868 #undef p1a 869 #undef p2 870 #undef p2a 871 #undef p3 872 873 xo_open_container("TCP connection count by state"); 874 xo_emit("{T:/TCP connection count by state}:\n"); 875 for (int i = 0; i < TCP_NSTATES; i++) { 876 /* 877 * XXXGL: is there a way in libxo to use %s 878 * in the "content string" of a format 879 * string? I failed to do that, that's why 880 * a temporary buffer is used to construct 881 * format string for xo_emit(). 882 */ 883 char fmtbuf[80]; 884 885 if (sflag > 1 && tcps_states[i] == 0) 886 continue; 887 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 888 "{Np:/connection ,connections} in %s state\n", 889 tcpstates[i], tcpstates[i]); 890 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 891 } 892 xo_close_container("TCP connection count by state"); 893 894 xo_close_container("tcp"); 895 } 896 897 /* 898 * Dump UDP statistics structure. 899 */ 900 void 901 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 902 { 903 struct udpstat udpstat; 904 uint64_t delivered; 905 906 #ifdef INET6 907 if (udp_done != 0) 908 return; 909 else 910 udp_done = 1; 911 #endif 912 913 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 914 sizeof(udpstat), kread_counters) != 0) 915 return; 916 917 xo_open_container("udp"); 918 xo_emit("{T:/%s}:\n", name); 919 920 #define p(f, m) if (udpstat.f || sflag <= 1) \ 921 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 922 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 923 xo_emit("\t" m, (uintmax_t)udpstat.f) 924 925 p(udps_ipackets, "{:received-datagrams/%ju} " 926 "{N:/datagram%s received}\n"); 927 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 928 "{N:/with incomplete header}\n"); 929 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 930 "{N:/with bad data length field}\n"); 931 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 932 "{N:/with bad checksum}\n"); 933 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 934 "{N:/with no checksum}\n"); 935 p1a(udps_noport, "{:dropped-no-socket/%ju} " 936 "{N:/dropped due to no socket}\n"); 937 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 938 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 939 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 940 "{N:/dropped due to full socket buffers}\n"); 941 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 942 "{N:/not for hashed pcb}\n"); 943 delivered = udpstat.udps_ipackets - 944 udpstat.udps_hdrops - 945 udpstat.udps_badlen - 946 udpstat.udps_badsum - 947 udpstat.udps_noport - 948 udpstat.udps_noportbcast - 949 udpstat.udps_fullsock; 950 if (delivered || sflag <= 1) 951 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 952 (uint64_t)delivered); 953 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 954 /* the next statistic is cumulative in udps_noportbcast */ 955 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 956 "{N:/time%s multicast source filter matched}\n"); 957 #undef p 958 #undef p1a 959 xo_close_container("udp"); 960 } 961 962 /* 963 * Dump CARP statistics structure. 964 */ 965 void 966 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 967 { 968 struct carpstats carpstat; 969 970 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 971 sizeof(carpstat), kread_counters) != 0) 972 return; 973 974 xo_open_container(name); 975 xo_emit("{T:/%s}:\n", name); 976 977 #define p(f, m) if (carpstat.f || sflag <= 1) \ 978 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 979 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 980 xo_emit(m, (uintmax_t)carpstat.f) 981 982 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 983 "{N:/packet%s received (IPv4)}\n"); 984 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 985 "{N:/packet%s received (IPv6)}\n"); 986 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 987 "{N:/packet%s discarded for wrong TTL}\n"); 988 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 989 "{N:/packet%s shorter than header}\n"); 990 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 991 "{N:/discarded for bad checksum%s}\n"); 992 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 993 "{N:/discarded packet%s with a bad version}\n"); 994 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 995 "{N:/discarded because packet too short}\n"); 996 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 997 "{N:/discarded for bad authentication}\n"); 998 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 999 "{N:/discarded for bad vhid}\n"); 1000 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1001 "{N:/discarded because of a bad address list}\n"); 1002 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1003 "{N:/packet%s sent (IPv4)}\n"); 1004 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1005 "{N:/packet%s sent (IPv6)}\n"); 1006 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1007 "{N:/send failed due to mbuf memory error}\n"); 1008 #if notyet 1009 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1010 "{N:/state update%s sent}\n"); 1011 #endif 1012 #undef p 1013 #undef p2 1014 xo_close_container(name); 1015 } 1016 1017 /* 1018 * Dump IP statistics structure. 1019 */ 1020 void 1021 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1022 { 1023 struct ipstat ipstat; 1024 1025 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1026 sizeof(ipstat), kread_counters) != 0) 1027 return; 1028 1029 xo_open_container(name); 1030 xo_emit("{T:/%s}:\n", name); 1031 1032 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1033 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1034 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1035 xo_emit(m, (uintmax_t )ipstat.f) 1036 1037 p(ips_total, "\t{:received-packets/%ju} " 1038 "{N:/total packet%s received}\n"); 1039 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1040 "{N:/bad header checksum%s}\n"); 1041 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1042 "{N:/with size smaller than minimum}\n"); 1043 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1044 "{N:/with data size < data length}\n"); 1045 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1046 "{N:/with ip length > max ip packet size}\n"); 1047 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1048 "{N:/with header length < data size}\n"); 1049 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1050 "{N:/with data length < header length}\n"); 1051 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1052 "{N:/with bad options}\n"); 1053 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1054 "{N:/with incorrect version number}\n"); 1055 p(ips_fragments, "\t{:received-fragments/%ju} " 1056 "{N:/fragment%s received}\n"); 1057 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1058 "{N:/fragment%s dropped (dup or out of space)}\n"); 1059 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1060 "{N:/fragment%s dropped after timeout}\n"); 1061 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1062 "{N:/packet%s reassembled ok}\n"); 1063 p(ips_delivered, "\t{:received-local-packets/%ju} " 1064 "{N:/packet%s for this host}\n"); 1065 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1066 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1067 p(ips_forward, "\t{:forwarded-packets/%ju} " 1068 "{N:/packet%s forwarded}"); 1069 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1070 "{N:/packet%s fast forwarded})"); 1071 if (ipstat.ips_forward || sflag <= 1) 1072 xo_emit("\n"); 1073 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1074 "{N:/packet%s not forwardable}\n"); 1075 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1076 "{N:/packet%s received for unknown multicast group}\n"); 1077 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1078 "{N:/redirect%s sent}\n"); 1079 p(ips_localout, "\t{:sent-packets/%ju} " 1080 "{N:/packet%s sent from this host}\n"); 1081 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1082 "{N:/packet%s sent with fabricated ip header}\n"); 1083 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1084 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1085 p(ips_noroute, "\t{:discard-no-route/%ju} " 1086 "{N:/output packet%s discarded due to no route}\n"); 1087 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1088 "{N:/output datagram%s fragmented}\n"); 1089 p(ips_ofragments, "\t{:fragments-created/%ju} " 1090 "{N:/fragment%s created}\n"); 1091 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1092 "{N:/datagram%s that can't be fragmented}\n"); 1093 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1094 "{N:/tunneling packet%s that can't find gif}\n"); 1095 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1096 "{N:/datagram%s with bad address in header}\n"); 1097 #undef p 1098 #undef p1a 1099 xo_close_container(name); 1100 } 1101 1102 /* 1103 * Dump ARP statistics structure. 1104 */ 1105 void 1106 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1107 { 1108 struct arpstat arpstat; 1109 1110 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1111 sizeof(arpstat), kread_counters) != 0) 1112 return; 1113 1114 xo_open_container(name); 1115 xo_emit("{T:/%s}:\n", name); 1116 1117 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1118 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1119 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1120 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1121 1122 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1123 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1124 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1125 p(rxrequests, "{:received-requests/%ju} " 1126 "{N:/ARP request%s received}\n"); 1127 p2(rxreplies, "{:received-replies/%ju} " 1128 "{N:/ARP repl%s received}\n"); 1129 p(received, "{:received-packets/%ju} " 1130 "{N:/ARP packet%s received}\n"); 1131 p(dropped, "{:dropped-no-entry/%ju} " 1132 "{N:/total packet%s dropped due to no ARP entry}\n"); 1133 p(timeouts, "{:entries-timeout/%ju} " 1134 "{N:/ARP entry%s timed out}\n"); 1135 p(dupips, "{:dropped-duplicate-address/%ju} " 1136 "{N:/Duplicate IP%s seen}\n"); 1137 #undef p 1138 #undef p2 1139 xo_close_container(name); 1140 } 1141 1142 1143 1144 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1145 "echo reply", /* RFC 792 */ 1146 "#1", 1147 "#2", 1148 "destination unreachable", /* RFC 792 */ 1149 "source quench", /* RFC 792 */ 1150 "routing redirect", /* RFC 792 */ 1151 "#6", 1152 "#7", 1153 "echo", /* RFC 792 */ 1154 "router advertisement", /* RFC 1256 */ 1155 "router solicitation", /* RFC 1256 */ 1156 "time exceeded", /* RFC 792 */ 1157 "parameter problem", /* RFC 792 */ 1158 "time stamp", /* RFC 792 */ 1159 "time stamp reply", /* RFC 792 */ 1160 "information request", /* RFC 792 */ 1161 "information request reply", /* RFC 792 */ 1162 "address mask request", /* RFC 950 */ 1163 "address mask reply", /* RFC 950 */ 1164 "#19", 1165 "#20", 1166 "#21", 1167 "#22", 1168 "#23", 1169 "#24", 1170 "#25", 1171 "#26", 1172 "#27", 1173 "#28", 1174 "#29", 1175 "icmp traceroute", /* RFC 1393 */ 1176 "datagram conversion error", /* RFC 1475 */ 1177 "mobile host redirect", 1178 "IPv6 where-are-you", 1179 "IPv6 i-am-here", 1180 "mobile registration req", 1181 "mobile registration reply", 1182 "domain name request", /* RFC 1788 */ 1183 "domain name reply", /* RFC 1788 */ 1184 "icmp SKIP", 1185 "icmp photuris", /* RFC 2521 */ 1186 }; 1187 1188 /* 1189 * Dump ICMP statistics. 1190 */ 1191 void 1192 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1193 { 1194 struct icmpstat icmpstat; 1195 size_t len; 1196 int i, first; 1197 1198 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1199 sizeof(icmpstat), kread_counters) != 0) 1200 return; 1201 1202 xo_open_container(name); 1203 xo_emit("{T:/%s}:\n", name); 1204 1205 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1206 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1207 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1208 xo_emit(m, icmpstat.f) 1209 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1210 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1211 1212 p(icps_error, "\t{:icmp-calls/%lu} " 1213 "{N:/call%s to icmp_error}\n"); 1214 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1215 "{N:/error%s not generated in response to an icmp message}\n"); 1216 1217 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1218 if (icmpstat.icps_outhist[i] != 0) { 1219 if (first) { 1220 xo_open_list("output-histogram"); 1221 xo_emit("\tOutput histogram:\n"); 1222 first = 0; 1223 } 1224 xo_open_instance("output-histogram"); 1225 if (icmpnames[i] != NULL) 1226 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1227 icmpnames[i], icmpstat.icps_outhist[i]); 1228 else 1229 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1230 "{:count/%lu}\n", 1231 i, icmpstat.icps_outhist[i]); 1232 xo_close_instance("output-histogram"); 1233 } 1234 } 1235 if (!first) 1236 xo_close_list("output-histogram"); 1237 1238 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1239 "{N:/message%s with bad code fields}\n"); 1240 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1241 "{N:/message%s less than the minimum length}\n"); 1242 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1243 "{N:/message%s with bad checksum}\n"); 1244 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1245 "{N:/message%s with bad length}\n"); 1246 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1247 "{N:/multicast echo requests ignored}\n"); 1248 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1249 "{N:/multicast timestamp requests ignored}\n"); 1250 1251 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1252 if (icmpstat.icps_inhist[i] != 0) { 1253 if (first) { 1254 xo_open_list("input-histogram"); 1255 xo_emit("\tInput histogram:\n"); 1256 first = 0; 1257 } 1258 xo_open_instance("input-histogram"); 1259 if (icmpnames[i] != NULL) 1260 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1261 icmpnames[i], 1262 icmpstat.icps_inhist[i]); 1263 else 1264 xo_emit( 1265 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1266 i, icmpstat.icps_inhist[i]); 1267 xo_close_instance("input-histogram"); 1268 } 1269 } 1270 if (!first) 1271 xo_close_list("input-histogram"); 1272 1273 p(icps_reflect, "\t{:sent-packets/%lu} " 1274 "{N:/message response%s generated}\n"); 1275 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1276 "{N:/invalid return address%s}\n"); 1277 p(icps_noroute, "\t{:discard-no-route/%lu} " 1278 "{N:/no return route%s}\n"); 1279 #undef p 1280 #undef p1a 1281 #undef p2 1282 if (live) { 1283 len = sizeof i; 1284 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1285 0) 1286 return; 1287 xo_emit("\tICMP address mask responses are " 1288 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1289 } 1290 1291 xo_close_container(name); 1292 } 1293 1294 /* 1295 * Dump IGMP statistics structure. 1296 */ 1297 void 1298 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1299 { 1300 struct igmpstat igmpstat; 1301 int error, zflag0; 1302 1303 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1304 sizeof(igmpstat), kread) != 0) 1305 return; 1306 /* 1307 * Reread net.inet.igmp.stats when zflag == 1. 1308 * This is because this MIB contains version number and 1309 * length of the structure which are not set when clearing 1310 * the counters. 1311 */ 1312 zflag0 = zflag; 1313 if (zflag) { 1314 zflag = 0; 1315 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1316 sizeof(igmpstat), kread); 1317 zflag = zflag0; 1318 if (error) 1319 return; 1320 } 1321 1322 if (igmpstat.igps_version != IGPS_VERSION_3) { 1323 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1324 igmpstat.igps_version, IGPS_VERSION_3); 1325 return; 1326 } 1327 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1328 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1329 igmpstat.igps_len, IGPS_VERSION3_LEN); 1330 return; 1331 } 1332 1333 xo_open_container(name); 1334 xo_emit("{T:/%s}:\n", name); 1335 1336 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1337 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1338 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1339 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1340 1341 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1342 "{N:/message%s received}\n"); 1343 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1344 "{N:/message%s received with too few bytes}\n"); 1345 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1346 "{N:/message%s received with wrong TTL}\n"); 1347 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1348 "{N:/message%s received with bad checksum}\n"); 1349 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1350 "{N:/V1\\/V2 membership quer%s received}\n"); 1351 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1352 "{N:/V3 membership quer%s received}\n"); 1353 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1354 "{N:/membership quer%s received with invalid field(s)}\n"); 1355 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1356 "{N:/general quer%s received}\n"); 1357 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1358 "{N:/group quer%s received}\n"); 1359 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1360 "{N:/group-source quer%s received}\n"); 1361 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1362 "{N:/group-source quer%s dropped}\n"); 1363 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1364 "{N:/membership report%s received}\n"); 1365 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1366 "{N:/membership report%s received with invalid field(s)}\n"); 1367 p64(igps_rcv_ourreports, "\t" 1368 "{:received-membership-reports-matching/%ju} " 1369 "{N:/membership report%s received for groups to which we belong}" 1370 "\n"); 1371 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1372 "{N:/V3 report%s received without Router Alert}\n"); 1373 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1374 "{N:/membership report%s sent}\n"); 1375 #undef p64 1376 #undef py64 1377 xo_close_container(name); 1378 } 1379 1380 /* 1381 * Dump PIM statistics structure. 1382 */ 1383 void 1384 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1385 int proto __unused) 1386 { 1387 struct pimstat pimstat; 1388 1389 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1390 sizeof(pimstat), kread_counters) != 0) 1391 return; 1392 1393 xo_open_container(name); 1394 xo_emit("{T:/%s}:\n", name); 1395 1396 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1397 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1398 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1399 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1400 1401 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1402 "{N:/message%s received}\n"); 1403 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1404 "{N:/byte%s received}\n"); 1405 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1406 "{N:/message%s received with too few bytes}\n"); 1407 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1408 "{N:/message%s received with bad checksum}\n"); 1409 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1410 "{N:/message%s received with bad version}\n"); 1411 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1412 "{N:/data register message%s received}\n"); 1413 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1414 "{N:/data register byte%s received}\n"); 1415 p(pims_rcv_registers_wrongiif, "\t" 1416 "{:received-data-register-wrong-interface/%ju} " 1417 "{N:/data register message%s received on wrong iif}\n"); 1418 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1419 "{N:/bad register%s received}\n"); 1420 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1421 "{N:/data register message%s sent}\n"); 1422 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1423 "{N:/data register byte%s sent}\n"); 1424 #undef p 1425 #undef py 1426 xo_close_container(name); 1427 } 1428 1429 /* 1430 * Dump divert(4) statistics structure. 1431 */ 1432 void 1433 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1434 { 1435 struct divstat divstat; 1436 1437 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1438 sizeof(divstat), kread_counters) != 0) 1439 return; 1440 1441 xo_open_container(name); 1442 xo_emit("{T:/%s}:\n", name); 1443 1444 #define p(f, m) if (divstat.f || sflag <= 1) \ 1445 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1446 1447 p(div_diverted, "\t{:diverted-packets/%ju} " 1448 "{N:/packet%s successfully diverted to userland}\n"); 1449 p(div_noport, "\t{:noport-fails/%ju} " 1450 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1451 p(div_outbound, "\t{:outbound-packets/%ju} " 1452 "{N:/packet%s successfully re-injected as outbound}\n"); 1453 p(div_inbound, "\t{:inbound-packets/%ju} " 1454 "{N:/packet%s successfully re-injected as inbound}\n"); 1455 #undef p 1456 xo_close_container(name); 1457 } 1458 1459 #ifdef INET 1460 /* 1461 * Pretty print an Internet address (net address + port). 1462 */ 1463 static void 1464 inetprint(const char *container, struct in_addr *in, int port, 1465 const char *proto, int num_port, const int af1) 1466 { 1467 struct servent *sp = 0; 1468 char line[80], *cp; 1469 int width; 1470 size_t alen, plen; 1471 1472 if (container) 1473 xo_open_container(container); 1474 1475 if (Wflag) 1476 snprintf(line, sizeof(line), "%s.", inetname(in)); 1477 else 1478 snprintf(line, sizeof(line), "%.*s.", 1479 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1480 alen = strlen(line); 1481 cp = line + alen; 1482 if (!num_port && port) 1483 sp = getservbyport((int)port, proto); 1484 if (sp || port == 0) 1485 snprintf(cp, sizeof(line) - alen, 1486 "%.15s ", sp ? sp->s_name : "*"); 1487 else 1488 snprintf(cp, sizeof(line) - alen, 1489 "%d ", ntohs((u_short)port)); 1490 width = (Aflag && !Wflag) ? 18 : 1491 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1492 if (Wflag) 1493 xo_emit("{d:target/%-*s} ", width, line); 1494 else 1495 xo_emit("{d:target/%-*.*s} ", width, width, line); 1496 1497 plen = strlen(cp) - 1; 1498 alen--; 1499 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1500 plen, cp); 1501 1502 if (container) 1503 xo_close_container(container); 1504 } 1505 1506 /* 1507 * Construct an Internet address representation. 1508 * If numeric_addr has been supplied, give 1509 * numeric value, otherwise try for symbolic name. 1510 */ 1511 char * 1512 inetname(struct in_addr *inp) 1513 { 1514 char *cp; 1515 static char line[MAXHOSTNAMELEN]; 1516 struct hostent *hp; 1517 1518 cp = 0; 1519 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1520 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1521 if (hp) { 1522 cp = hp->h_name; 1523 trimdomain(cp, strlen(cp)); 1524 } 1525 } 1526 if (inp->s_addr == INADDR_ANY) 1527 strcpy(line, "*"); 1528 else if (cp) { 1529 strlcpy(line, cp, sizeof(line)); 1530 } else { 1531 inp->s_addr = ntohl(inp->s_addr); 1532 #define C(x) ((u_int)((x) & 0xff)) 1533 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1534 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1535 C(inp->s_addr >> 8), C(inp->s_addr)); 1536 } 1537 return (line); 1538 } 1539 #endif 1540