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