1 /*- 2 * Copyright (c) 1983, 1988, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 33 #endif /* not lint */ 34 #endif 35 36 #include <sys/cdefs.h> 37 #include <sys/param.h> 38 #include <sys/queue.h> 39 #include <sys/domain.h> 40 #include <sys/protosw.h> 41 #include <sys/socket.h> 42 #define _WANT_SOCKET 43 #include <sys/socketvar.h> 44 #include <sys/sysctl.h> 45 46 #include <net/route.h> 47 #include <net/if_arp.h> 48 #include <netinet/in.h> 49 #include <netinet/in_systm.h> 50 #include <netinet/ip.h> 51 #include <netinet/ip_carp.h> 52 #ifdef INET6 53 #include <netinet/ip6.h> 54 #endif /* INET6 */ 55 #include <netinet/in_pcb.h> 56 #include <netinet/ip_icmp.h> 57 #include <netinet/icmp_var.h> 58 #include <netinet/igmp_var.h> 59 #include <netinet/ip_divert.h> 60 #include <netinet/ip_var.h> 61 #include <netinet/pim_var.h> 62 #include <netinet/tcp.h> 63 #include <netinet/tcpip.h> 64 #include <netinet/tcp_seq.h> 65 #define TCPSTATES 66 #include <netinet/tcp_fsm.h> 67 #include <netinet/tcp_timer.h> 68 #include <netinet/tcp_var.h> 69 #include <netinet/udp.h> 70 #include <netinet/udp_var.h> 71 72 #include <arpa/inet.h> 73 #include <err.h> 74 #include <errno.h> 75 #include <libutil.h> 76 #include <netdb.h> 77 #include <stdint.h> 78 #include <stdio.h> 79 #include <stdlib.h> 80 #include <stdbool.h> 81 #include <string.h> 82 #include <unistd.h> 83 #include <libxo/xo.h> 84 #include "netstat.h" 85 #include "nl_defs.h" 86 87 #define max(a, b) (((a) > (b)) ? (a) : (b)) 88 89 #ifdef INET 90 static void inetprint(const char *, struct in_addr *, int, const char *, int, 91 const int); 92 #endif 93 #ifdef INET6 94 static int udp_done, tcp_done, sdp_done; 95 #endif /* INET6 */ 96 97 static int 98 pcblist_sysctl(int proto, const char *name, char **bufp) 99 { 100 const char *mibvar; 101 char *buf; 102 size_t len; 103 104 switch (proto) { 105 case IPPROTO_TCP: 106 mibvar = "net.inet.tcp.pcblist"; 107 break; 108 case IPPROTO_UDP: 109 mibvar = "net.inet.udp.pcblist"; 110 break; 111 default: 112 mibvar = "net.inet.raw.pcblist"; 113 break; 114 } 115 if (strncmp(name, "sdp", 3) == 0) 116 mibvar = "net.inet.sdp.pcblist"; 117 else if (strncmp(name, "divert", 6) == 0) 118 mibvar = "net.inet.divert.pcblist"; 119 len = 0; 120 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 121 if (errno != ENOENT) 122 xo_warn("sysctl: %s", mibvar); 123 return (0); 124 } 125 if ((buf = malloc(len)) == NULL) { 126 xo_warnx("malloc %lu bytes", (u_long)len); 127 return (0); 128 } 129 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 130 xo_warn("sysctl: %s", mibvar); 131 free(buf); 132 return (0); 133 } 134 *bufp = buf; 135 return (1); 136 } 137 138 /* 139 * Copied directly from uipc_socket2.c. We leave out some fields that are in 140 * nested structures that aren't used to avoid extra work. 141 */ 142 static void 143 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 144 { 145 xsb->sb_cc = sb->sb_ccc; 146 xsb->sb_hiwat = sb->sb_hiwat; 147 xsb->sb_mbcnt = sb->sb_mbcnt; 148 xsb->sb_mbmax = sb->sb_mbmax; 149 xsb->sb_lowat = sb->sb_lowat; 150 xsb->sb_flags = sb->sb_flags; 151 xsb->sb_timeo = sb->sb_timeo; 152 } 153 154 int 155 sotoxsocket(struct socket *so, struct xsocket *xso) 156 { 157 struct protosw proto; 158 struct domain domain; 159 160 bzero(xso, sizeof *xso); 161 xso->xso_len = sizeof *xso; 162 xso->xso_so = (uintptr_t)so; 163 xso->so_type = so->so_type; 164 xso->so_options = so->so_options; 165 xso->so_linger = so->so_linger; 166 xso->so_state = so->so_state; 167 xso->so_pcb = (uintptr_t)so->so_pcb; 168 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 169 return (-1); 170 xso->xso_protocol = proto.pr_protocol; 171 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 172 return (-1); 173 xso->xso_family = domain.dom_family; 174 xso->so_timeo = so->so_timeo; 175 xso->so_error = so->so_error; 176 if ((so->so_options & SO_ACCEPTCONN) != 0) { 177 xso->so_qlen = so->sol_qlen; 178 xso->so_incqlen = so->sol_incqlen; 179 xso->so_qlimit = so->sol_qlimit; 180 } else { 181 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 182 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 183 xso->so_oobmark = so->so_oobmark; 184 } 185 return (0); 186 } 187 188 /* 189 * Print a summary of connections related to an Internet 190 * protocol. For TCP, also give state of connection. 191 * Listening processes (aflag) are suppressed unless the 192 * -a (all) flag is specified. 193 */ 194 void 195 protopr(u_long off, const char *name, int af1, int proto) 196 { 197 static int first = 1; 198 int istcp; 199 char *buf; 200 const char *vchar; 201 struct xtcpcb *tp; 202 struct xinpcb *inp; 203 struct xinpgen *xig, *oxig; 204 struct xsocket *so; 205 int fnamelen, cnamelen; 206 207 istcp = 0; 208 switch (proto) { 209 case IPPROTO_TCP: 210 #ifdef INET6 211 if (strncmp(name, "sdp", 3) != 0) { 212 if (tcp_done != 0) 213 return; 214 else 215 tcp_done = 1; 216 } else { 217 if (sdp_done != 0) 218 return; 219 else 220 sdp_done = 1; 221 } 222 #endif 223 istcp = 1; 224 break; 225 case IPPROTO_UDP: 226 #ifdef INET6 227 if (udp_done != 0) 228 return; 229 else 230 udp_done = 1; 231 #endif 232 break; 233 } 234 235 if (!pcblist_sysctl(proto, name, &buf)) 236 return; 237 238 if (istcp && (cflag || Cflag)) { 239 fnamelen = strlen("Stack"); 240 cnamelen = strlen("CC"); 241 oxig = xig = (struct xinpgen *)buf; 242 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 243 xig->xig_len > sizeof(struct xinpgen); 244 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 245 tp = (struct xtcpcb *)xig; 246 inp = &tp->xt_inp; 247 if (inp->inp_gencnt > oxig->xig_gen) 248 continue; 249 so = &inp->xi_socket; 250 if (so->xso_protocol != proto) 251 continue; 252 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 253 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 254 } 255 } 256 257 oxig = xig = (struct xinpgen *)buf; 258 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 259 xig->xig_len > sizeof(struct xinpgen); 260 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 261 if (istcp) { 262 tp = (struct xtcpcb *)xig; 263 inp = &tp->xt_inp; 264 } else { 265 inp = (struct xinpcb *)xig; 266 } 267 so = &inp->xi_socket; 268 269 /* Ignore sockets for protocols other than the desired one. */ 270 if (proto != 0 && so->xso_protocol != proto) 271 continue; 272 273 /* Ignore PCBs which were freed during copyout. */ 274 if (inp->inp_gencnt > oxig->xig_gen) 275 continue; 276 277 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 278 #ifdef INET6 279 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 280 #endif /* INET6 */ 281 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 282 #ifdef INET6 283 && (inp->inp_vflag & INP_IPV6) == 0 284 #endif /* INET6 */ 285 )) 286 ) 287 continue; 288 if (!aflag && 289 ( 290 (istcp && tp->t_state == TCPS_LISTEN) 291 || (af1 == AF_INET && 292 inp->inp_laddr.s_addr == INADDR_ANY) 293 #ifdef INET6 294 || (af1 == AF_INET6 && 295 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 296 #endif /* INET6 */ 297 || (af1 == AF_UNSPEC && 298 (((inp->inp_vflag & INP_IPV4) != 0 && 299 inp->inp_laddr.s_addr == INADDR_ANY) 300 #ifdef INET6 301 || ((inp->inp_vflag & INP_IPV6) != 0 && 302 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 303 #endif 304 )) 305 )) 306 continue; 307 308 if (first) { 309 if (!Lflag) { 310 xo_emit("Active Internet connections"); 311 if (aflag) 312 xo_emit(" (including servers)"); 313 } else 314 xo_emit( 315 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 316 xo_emit("\n"); 317 if (Aflag) 318 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 319 "Tcpcb"); 320 if (Lflag) 321 xo_emit((Aflag && !Wflag) ? 322 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 323 ((!Wflag || af1 == AF_INET) ? 324 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 325 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 326 "Proto", "Listen", "Local Address"); 327 else if (Tflag) 328 xo_emit((Aflag && !Wflag) ? 329 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 330 ((!Wflag || af1 == AF_INET) ? 331 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 332 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 333 "Proto", "Rexmit", "OOORcv", "0-win", 334 "Local Address", "Foreign Address"); 335 else { 336 xo_emit((Aflag && !Wflag) ? 337 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 338 ((!Wflag || af1 == AF_INET) ? 339 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 340 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 341 "Proto", "Recv-Q", "Send-Q", 342 "Local Address", "Foreign Address"); 343 if (!xflag && !Rflag) 344 xo_emit(" {T:/%-11.11s}", "(state)"); 345 } 346 if (xflag) { 347 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 348 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 349 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 350 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 351 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 352 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 353 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 354 "rexmt", "persist", "keep", "2msl", 355 "delack", "rcvtime"); 356 } else if (Rflag) { 357 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 358 "flowid", "ftype"); 359 } 360 if (cflag) { 361 xo_emit(" {T:/%-*.*s}", 362 fnamelen, fnamelen, "Stack"); 363 } 364 if (Cflag) 365 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 366 " {T:/%10.10s} {T:/%5.5s}" 367 " {T:/%3.3s}", cnamelen, 368 cnamelen, "CC", 369 "cwin", 370 "ssthresh", 371 "MSS", 372 "ECN"); 373 if (Pflag) 374 xo_emit(" {T:/%s}", "Log ID"); 375 xo_emit("\n"); 376 first = 0; 377 } 378 if (Lflag && so->so_qlimit == 0) 379 continue; 380 xo_open_instance("socket"); 381 if (Aflag) 382 xo_emit("{q:address/%*lx} ", 2 * (int)sizeof(void *), 383 (u_long)so->so_pcb); 384 #ifdef INET6 385 if ((inp->inp_vflag & INP_IPV6) != 0) 386 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 387 "46" : "6"; 388 else 389 #endif 390 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 391 "4" : ""; 392 if (istcp && (tp->t_flags & TF_TOE) != 0) 393 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 394 else 395 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 396 if (Lflag) { 397 char buf1[33]; 398 399 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 400 so->so_incqlen, so->so_qlimit); 401 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 402 } else if (Tflag) { 403 if (istcp) 404 xo_emit("{:sent-retransmit-packets/%6u} " 405 "{:received-out-of-order-packets/%6u} " 406 "{:sent-zero-window/%6u} ", 407 tp->t_sndrexmitpack, tp->t_rcvoopack, 408 tp->t_sndzerowin); 409 else 410 xo_emit("{P:/%21s}", ""); 411 } else { 412 xo_emit("{:receive-bytes-waiting/%6u} " 413 "{:send-bytes-waiting/%6u} ", 414 so->so_rcv.sb_cc, so->so_snd.sb_cc); 415 } 416 if (numeric_port) { 417 #ifdef INET 418 if (inp->inp_vflag & INP_IPV4) { 419 inetprint("local", &inp->inp_laddr, 420 (int)inp->inp_lport, name, 1, af1); 421 if (!Lflag) 422 inetprint("remote", &inp->inp_faddr, 423 (int)inp->inp_fport, name, 1, af1); 424 } 425 #endif 426 #if defined(INET) && defined(INET6) 427 else 428 #endif 429 #ifdef INET6 430 if (inp->inp_vflag & INP_IPV6) { 431 inet6print("local", &inp->in6p_laddr, 432 (int)inp->inp_lport, name, 1); 433 if (!Lflag) 434 inet6print("remote", &inp->in6p_faddr, 435 (int)inp->inp_fport, name, 1); 436 } /* else nothing printed now */ 437 #endif /* INET6 */ 438 } else if (inp->inp_flags & INP_ANONPORT) { 439 #ifdef INET 440 if (inp->inp_vflag & INP_IPV4) { 441 inetprint("local", &inp->inp_laddr, 442 (int)inp->inp_lport, name, 1, af1); 443 if (!Lflag) 444 inetprint("remote", &inp->inp_faddr, 445 (int)inp->inp_fport, name, 0, af1); 446 } 447 #endif 448 #if defined(INET) && defined(INET6) 449 else 450 #endif 451 #ifdef INET6 452 if (inp->inp_vflag & INP_IPV6) { 453 inet6print("local", &inp->in6p_laddr, 454 (int)inp->inp_lport, name, 1); 455 if (!Lflag) 456 inet6print("remote", &inp->in6p_faddr, 457 (int)inp->inp_fport, name, 0); 458 } /* else nothing printed now */ 459 #endif /* INET6 */ 460 } else { 461 #ifdef INET 462 if (inp->inp_vflag & INP_IPV4) { 463 inetprint("local", &inp->inp_laddr, 464 (int)inp->inp_lport, name, 0, af1); 465 if (!Lflag) 466 inetprint("remote", &inp->inp_faddr, 467 (int)inp->inp_fport, name, 468 inp->inp_lport != inp->inp_fport, 469 af1); 470 } 471 #endif 472 #if defined(INET) && defined(INET6) 473 else 474 #endif 475 #ifdef INET6 476 if (inp->inp_vflag & INP_IPV6) { 477 inet6print("local", &inp->in6p_laddr, 478 (int)inp->inp_lport, name, 0); 479 if (!Lflag) 480 inet6print("remote", &inp->in6p_faddr, 481 (int)inp->inp_fport, name, 482 inp->inp_lport != inp->inp_fport); 483 } /* else nothing printed now */ 484 #endif /* INET6 */ 485 } 486 if (xflag) { 487 xo_emit("{:receive-high-water/%6u} " 488 "{:send-high-water/%6u} " 489 "{:receive-low-water/%6u} {:send-low-water/%6u} " 490 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 491 "{:receive-mbuf-bytes-max/%6u} " 492 "{:send-mbuf-bytes-max/%6u}", 493 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 494 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 495 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 496 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 497 if (istcp) 498 xo_emit(" {:retransmit-timer/%4d.%02d} " 499 "{:persist-timer/%4d.%02d} " 500 "{:keepalive-timer/%4d.%02d} " 501 "{:msl2-timer/%4d.%02d} " 502 "{:delay-ack-timer/%4d.%02d} " 503 "{:inactivity-timer/%4d.%02d}", 504 tp->tt_rexmt / 1000, 505 (tp->tt_rexmt % 1000) / 10, 506 tp->tt_persist / 1000, 507 (tp->tt_persist % 1000) / 10, 508 tp->tt_keep / 1000, 509 (tp->tt_keep % 1000) / 10, 510 tp->tt_2msl / 1000, 511 (tp->tt_2msl % 1000) / 10, 512 tp->tt_delack / 1000, 513 (tp->tt_delack % 1000) / 10, 514 tp->t_rcvtime / 1000, 515 (tp->t_rcvtime % 1000) / 10); 516 } 517 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 518 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 519 xo_emit("{:tcp-state/%-11d}", tp->t_state); 520 else { 521 xo_emit("{:tcp-state/%-11s}", 522 tcpstates[tp->t_state]); 523 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 524 /* Show T/TCP `hidden state' */ 525 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 526 xo_emit("{:need-syn-or-fin/*}"); 527 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 528 } 529 } 530 if (Rflag) { 531 /* XXX: is this right Alfred */ 532 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 533 inp->inp_flowid, 534 inp->inp_flowtype); 535 } 536 if (istcp) { 537 if (cflag) 538 xo_emit(" {:stack/%-*.*s}", 539 540 fnamelen, fnamelen, tp->xt_stack); 541 if (Cflag) 542 xo_emit(" {:cc/%-*.*s}" 543 " {:snd-cwnd/%10lu}" 544 " {:snd-ssthresh/%10lu}" 545 " {:t-maxseg/%5u} {:ecn/%3s}", 546 cnamelen, cnamelen, tp->xt_cc, 547 tp->t_snd_cwnd, tp->t_snd_ssthresh, 548 tp->t_maxseg, 549 (tp->t_state >= TCPS_ESTABLISHED ? 550 (tp->xt_ecn > 0 ? 551 (tp->xt_ecn == 1 ? 552 "ecn" : "ace") 553 : "off") 554 : "n/a")); 555 if (Pflag) 556 xo_emit(" {:log-id/%s}", 557 tp->xt_logid[0] == '\0' ? 558 "-" : tp->xt_logid); 559 } 560 xo_emit("\n"); 561 xo_close_instance("socket"); 562 } 563 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 564 if (oxig->xig_count > xig->xig_count) { 565 xo_emit("Some {d:lost/%s} sockets may have been " 566 "deleted.\n", name); 567 } else if (oxig->xig_count < xig->xig_count) { 568 xo_emit("Some {d:created/%s} sockets may have been " 569 "created.\n", name); 570 } else { 571 xo_emit("Some {d:changed/%s} sockets may have been " 572 "created or deleted.\n", name); 573 } 574 } 575 free(buf); 576 } 577 578 /* 579 * Dump TCP statistics structure. 580 */ 581 void 582 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 583 { 584 struct tcpstat tcpstat; 585 uint64_t tcps_states[TCP_NSTATES]; 586 587 #ifdef INET6 588 if (tcp_done != 0) 589 return; 590 else 591 tcp_done = 1; 592 #endif 593 594 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 595 sizeof(tcpstat), kread_counters) != 0) 596 return; 597 598 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 599 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 600 return; 601 602 xo_open_container("tcp"); 603 xo_emit("{T:/%s}:\n", name); 604 605 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 606 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 607 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 608 xo_emit(m, (uintmax_t )tcpstat.f) 609 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 610 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 611 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 612 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 613 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 614 (uintmax_t )tcpstat.f2) 615 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 616 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 617 618 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 619 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 620 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 621 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 622 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 623 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 624 "{N:retransmitted}\n"); 625 p(tcps_sndrexmitbad, "\t\t" 626 "{:sent-unnecessary-retransmitted-packets/%ju} " 627 "{N:/data packet%s unnecessarily retransmitted}\n"); 628 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 629 "{N:/resend%s initiated by MTU discovery}\n"); 630 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 631 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 632 "{N:delayed})\n"); 633 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 634 "{N:/URG only packet%s}\n"); 635 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 636 "{N:/window probe packet%s}\n"); 637 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 638 "{N:/window update packet%s}\n"); 639 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 640 "{N:/control packet%s}\n"); 641 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 642 "{N:/packet%s received}\n"); 643 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 644 "{:received-ack-packets/%ju} {N:/ack%s} " 645 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 646 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 647 "{N:/duplicate ack%s}\n"); 648 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 649 "{N:/UDP tunneled pkt%s}\n"); 650 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 651 "{N:/UDP tunneled pkt cnt with error%s}\n"); 652 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-data-not-yet-sent/%ju} " 653 "{N:/ack%s for data not yet sent}\n"); 654 p(tcps_rcvghostack, "\t\t{:received-acks-for-data-never-been-sent/%ju} " 655 "{N:/ack%s for data never been sent (ghost acks)}\n"); 656 p(tcps_rcvacktooold, "\t\t{:received-acks-for-data-being-too-old/%ju} " 657 "{N:/ack%s for data being too old}\n"); 658 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 659 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 660 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 661 "{N:received in-sequence}\n"); 662 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 663 "{:received-completely-duplicate-packets/%ju} " 664 "{N:/completely duplicate packet%s} " 665 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 666 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 667 "{N:/old duplicate packet%s}\n"); 668 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 669 "{:received-some-duplicate-packets/%ju} " 670 "{N:/packet%s with some dup. data} " 671 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 672 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 673 "{N:/out-of-order packet%s} " 674 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 675 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 676 "{:received-after-window-packets/%ju} {N:/packet%s} " 677 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 678 "{N:of data after window}\n"); 679 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 680 "{N:/window probe%s}\n"); 681 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 682 "{N:/window update packet%s}\n"); 683 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 684 "{N:/packet%s received with dsack}\n"); 685 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 686 "{N:/dsack byte%s received (no TLP involved)}\n"); 687 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 688 "{N:/dsack byte%s received (TLP responsible)}\n"); 689 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 690 "{N:/packet%s received after close}\n"); 691 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 692 "{N:/discarded for bad checksum%s}\n"); 693 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 694 "{N:/discarded for bad header offset field%s}\n"); 695 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 696 "{N:discarded because packet too short}\n"); 697 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 698 "{N:discarded due to full reassembly queue}\n"); 699 p(tcps_connattempt, "\t{:connection-requests/%ju} " 700 "{N:/connection request%s}\n"); 701 p(tcps_accepts, "\t{:connections-accepts/%ju} " 702 "{N:/connection accept%s}\n"); 703 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 704 "{N:/bad connection attempt%s}\n"); 705 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 706 "{N:/listen queue overflow%s}\n"); 707 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 708 "{N:/ignored RSTs in the window%s}\n"); 709 p(tcps_connects, "\t{:connections-established/%ju} " 710 "{N:/connection%s established (including accepts)}\n"); 711 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 712 "{N:/time%s used RTT from hostcache}\n"); 713 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 714 "{N:/time%s used RTT variance from hostcache}\n"); 715 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 716 "{N:/time%s used slow-start threshold from hostcache}\n"); 717 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 718 "{N:/connection%s closed (including} " 719 "{:connection-drops/%ju} {N:/drop%s})\n"); 720 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 721 "{N:/connection%s updated cached RTT on close}\n"); 722 p(tcps_cachedrttvar, "\t\t" 723 "{:connections-updated-variance-on-close/%ju} " 724 "{N:/connection%s updated cached RTT variance on close}\n"); 725 p(tcps_cachedssthresh, "\t\t" 726 "{:connections-updated-ssthresh-on-close/%ju} " 727 "{N:/connection%s updated cached ssthresh on close}\n"); 728 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 729 "{N:/embryonic connection%s dropped}\n"); 730 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 731 "{N:/segment%s updated rtt (of} " 732 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 733 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 734 "{N:/retransmit timeout%s}\n"); 735 p(tcps_timeoutdrop, "\t\t" 736 "{:connections-dropped-by-retransmit-timeout/%ju} " 737 "{N:/connection%s dropped by rexmit timeout}\n"); 738 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 739 "{N:/persist timeout%s}\n"); 740 p(tcps_persistdrop, "\t\t" 741 "{:connections-dropped-by-persist-timeout/%ju} " 742 "{N:/connection%s dropped by persist timeout}\n"); 743 p(tcps_finwait2_drops, "\t" 744 "{:connections-dropped-by-finwait2-timeout/%ju} " 745 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 746 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 747 "{N:/keepalive timeout%s}\n"); 748 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 749 "{N:/keepalive probe%s sent}\n"); 750 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 751 "{N:/connection%s dropped by keepalive}\n"); 752 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 753 "{N:/connection%s dropped due to exceeding progress time}\n"); 754 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 755 "{N:/correct ACK header prediction%s}\n"); 756 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 757 "{N:/correct data packet header prediction%s}\n"); 758 759 xo_open_container("syncache"); 760 761 p3(tcps_sc_added, "\t{:entries-added/%ju} " 762 "{N:/syncache entr%s added}\n"); 763 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 764 "{N:/retransmitted}\n"); 765 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 766 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 767 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 768 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 769 "{N:/bucket overflow}\n"); 770 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 771 "{N:/cache overflow}\n"); 772 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 773 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 774 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 775 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 776 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 777 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 778 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 779 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 780 "{N:/cookie%s received}\n"); 781 782 xo_close_container("syncache"); 783 784 xo_open_container("hostcache"); 785 786 p3(tcps_hc_added, "\t{:entries-added/%ju} " 787 "{N:/hostcache entr%s added}\n"); 788 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 789 "{N:/bucket overflow}\n"); 790 791 xo_close_container("hostcache"); 792 793 xo_open_container("sack"); 794 795 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 796 "{N:/SACK recovery episode%s}\n"); 797 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 798 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 799 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 800 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 801 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 802 "{N:/SACK option%s (SACK blocks) received}\n"); 803 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 804 "{N:/SACK option%s (SACK blocks) sent}\n"); 805 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 806 "{N:/SACK retransmission%s lost}\n"); 807 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 808 "{N:/SACK scoreboard overflow}\n"); 809 810 xo_close_container("sack"); 811 xo_open_container("ecn"); 812 813 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 814 "{N:/packet%s received with ECN CE bit set}\n"); 815 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 816 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 817 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 818 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 819 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 820 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 821 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 822 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 823 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 824 "{N:/successful ECN handshake%s}\n"); 825 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 826 "{N:/time%s ECN reduced the congestion window}\n"); 827 828 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 829 "{N:/ACE SYN packet%s with Non-ECT}\n"); 830 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 831 "{N:/ACE SYN packet%s with ECT0}\n"); 832 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 833 "{N:/ACE SYN packet%s with ECT1}\n"); 834 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 835 "{N:/ACE SYN packet%s with CE}\n"); 836 837 xo_close_container("ecn"); 838 xo_open_container("tcp-signature"); 839 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 840 "{N:/packet%s with matching signature received}\n"); 841 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 842 "{N:/packet%s with bad signature received}\n"); 843 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 844 "{N:/time%s failed to make signature due to no SA}\n"); 845 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 846 "{N:/time%s unexpected signature received}\n"); 847 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 848 "{N:/time%s no signature provided by segment}\n"); 849 850 xo_close_container("tcp-signature"); 851 xo_open_container("pmtud"); 852 853 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 854 "{N:/Path MTU discovery black hole detection activation%s}\n"); 855 p(tcps_pmtud_blackhole_activated_min_mss, 856 "\t{:pmtud-activated-min-mss/%ju} " 857 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 858 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 859 "{N:/Path MTU discovery black hole detection failure%s}\n"); 860 861 xo_close_container("pmtud"); 862 xo_open_container("tw"); 863 864 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 865 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 866 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 867 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 868 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 869 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 870 871 xo_close_container("tw"); 872 #undef p 873 #undef p1a 874 #undef p2 875 #undef p2a 876 #undef p3 877 878 xo_open_container("TCP connection count by state"); 879 xo_emit("{T:/TCP connection count by state}:\n"); 880 for (int i = 0; i < TCP_NSTATES; i++) { 881 /* 882 * XXXGL: is there a way in libxo to use %s 883 * in the "content string" of a format 884 * string? I failed to do that, that's why 885 * a temporary buffer is used to construct 886 * format string for xo_emit(). 887 */ 888 char fmtbuf[80]; 889 890 if (sflag > 1 && tcps_states[i] == 0) 891 continue; 892 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 893 "{Np:/connection ,connections} in %s state\n", 894 tcpstates[i], tcpstates[i]); 895 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 896 } 897 xo_close_container("TCP connection count by state"); 898 899 xo_close_container("tcp"); 900 } 901 902 /* 903 * Dump UDP statistics structure. 904 */ 905 void 906 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 907 { 908 struct udpstat udpstat; 909 uint64_t delivered; 910 911 #ifdef INET6 912 if (udp_done != 0) 913 return; 914 else 915 udp_done = 1; 916 #endif 917 918 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 919 sizeof(udpstat), kread_counters) != 0) 920 return; 921 922 xo_open_container("udp"); 923 xo_emit("{T:/%s}:\n", name); 924 925 #define p(f, m) if (udpstat.f || sflag <= 1) \ 926 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 927 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 928 xo_emit("\t" m, (uintmax_t)udpstat.f) 929 930 p(udps_ipackets, "{:received-datagrams/%ju} " 931 "{N:/datagram%s received}\n"); 932 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 933 "{N:/with incomplete header}\n"); 934 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 935 "{N:/with bad data length field}\n"); 936 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 937 "{N:/with bad checksum}\n"); 938 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 939 "{N:/with no checksum}\n"); 940 p1a(udps_noport, "{:dropped-no-socket/%ju} " 941 "{N:/dropped due to no socket}\n"); 942 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 943 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 944 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 945 "{N:/dropped due to full socket buffers}\n"); 946 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 947 "{N:/not for hashed pcb}\n"); 948 delivered = udpstat.udps_ipackets - 949 udpstat.udps_hdrops - 950 udpstat.udps_badlen - 951 udpstat.udps_badsum - 952 udpstat.udps_noport - 953 udpstat.udps_noportbcast - 954 udpstat.udps_fullsock; 955 if (delivered || sflag <= 1) 956 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 957 (uint64_t)delivered); 958 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 959 /* the next statistic is cumulative in udps_noportbcast */ 960 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 961 "{N:/time%s multicast source filter matched}\n"); 962 #undef p 963 #undef p1a 964 xo_close_container("udp"); 965 } 966 967 /* 968 * Dump CARP statistics structure. 969 */ 970 void 971 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 972 { 973 struct carpstats carpstat; 974 975 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 976 sizeof(carpstat), kread_counters) != 0) 977 return; 978 979 xo_open_container(name); 980 xo_emit("{T:/%s}:\n", name); 981 982 #define p(f, m) if (carpstat.f || sflag <= 1) \ 983 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 984 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 985 xo_emit(m, (uintmax_t)carpstat.f) 986 987 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 988 "{N:/packet%s received (IPv4)}\n"); 989 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 990 "{N:/packet%s received (IPv6)}\n"); 991 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 992 "{N:/packet%s discarded for wrong TTL}\n"); 993 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 994 "{N:/packet%s shorter than header}\n"); 995 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 996 "{N:/discarded for bad checksum%s}\n"); 997 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 998 "{N:/discarded packet%s with a bad version}\n"); 999 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 1000 "{N:/discarded because packet too short}\n"); 1001 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 1002 "{N:/discarded for bad authentication}\n"); 1003 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 1004 "{N:/discarded for bad vhid}\n"); 1005 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1006 "{N:/discarded because of a bad address list}\n"); 1007 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1008 "{N:/packet%s sent (IPv4)}\n"); 1009 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1010 "{N:/packet%s sent (IPv6)}\n"); 1011 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1012 "{N:/send failed due to mbuf memory error}\n"); 1013 #if notyet 1014 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1015 "{N:/state update%s sent}\n"); 1016 #endif 1017 #undef p 1018 #undef p2 1019 xo_close_container(name); 1020 } 1021 1022 /* 1023 * Dump IP statistics structure. 1024 */ 1025 void 1026 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1027 { 1028 struct ipstat ipstat; 1029 1030 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1031 sizeof(ipstat), kread_counters) != 0) 1032 return; 1033 1034 xo_open_container(name); 1035 xo_emit("{T:/%s}:\n", name); 1036 1037 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1038 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1039 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1040 xo_emit(m, (uintmax_t )ipstat.f) 1041 1042 p(ips_total, "\t{:received-packets/%ju} " 1043 "{N:/total packet%s received}\n"); 1044 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1045 "{N:/bad header checksum%s}\n"); 1046 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1047 "{N:/with size smaller than minimum}\n"); 1048 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1049 "{N:/with data size < data length}\n"); 1050 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1051 "{N:/with ip length > max ip packet size}\n"); 1052 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1053 "{N:/with header length < data size}\n"); 1054 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1055 "{N:/with data length < header length}\n"); 1056 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1057 "{N:/with bad options}\n"); 1058 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1059 "{N:/with incorrect version number}\n"); 1060 p(ips_fragments, "\t{:received-fragments/%ju} " 1061 "{N:/fragment%s received}\n"); 1062 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1063 "{N:/fragment%s dropped (dup or out of space)}\n"); 1064 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1065 "{N:/fragment%s dropped after timeout}\n"); 1066 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1067 "{N:/packet%s reassembled ok}\n"); 1068 p(ips_delivered, "\t{:received-local-packets/%ju} " 1069 "{N:/packet%s for this host}\n"); 1070 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1071 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1072 p(ips_forward, "\t{:forwarded-packets/%ju} " 1073 "{N:/packet%s forwarded}"); 1074 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1075 "{N:/packet%s fast forwarded})"); 1076 if (ipstat.ips_forward || sflag <= 1) 1077 xo_emit("\n"); 1078 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1079 "{N:/packet%s not forwardable}\n"); 1080 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1081 "{N:/packet%s received for unknown multicast group}\n"); 1082 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1083 "{N:/redirect%s sent}\n"); 1084 p(ips_localout, "\t{:sent-packets/%ju} " 1085 "{N:/packet%s sent from this host}\n"); 1086 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1087 "{N:/packet%s sent with fabricated ip header}\n"); 1088 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1089 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1090 p(ips_noroute, "\t{:discard-no-route/%ju} " 1091 "{N:/output packet%s discarded due to no route}\n"); 1092 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1093 "{N:/output datagram%s fragmented}\n"); 1094 p(ips_ofragments, "\t{:fragments-created/%ju} " 1095 "{N:/fragment%s created}\n"); 1096 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1097 "{N:/datagram%s that can't be fragmented}\n"); 1098 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1099 "{N:/tunneling packet%s that can't find gif}\n"); 1100 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1101 "{N:/datagram%s with bad address in header}\n"); 1102 #undef p 1103 #undef p1a 1104 xo_close_container(name); 1105 } 1106 1107 /* 1108 * Dump ARP statistics structure. 1109 */ 1110 void 1111 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1112 { 1113 struct arpstat arpstat; 1114 1115 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1116 sizeof(arpstat), kread_counters) != 0) 1117 return; 1118 1119 xo_open_container(name); 1120 xo_emit("{T:/%s}:\n", name); 1121 1122 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1123 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1124 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1125 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1126 1127 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1128 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1129 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1130 p(rxrequests, "{:received-requests/%ju} " 1131 "{N:/ARP request%s received}\n"); 1132 p2(rxreplies, "{:received-replies/%ju} " 1133 "{N:/ARP repl%s received}\n"); 1134 p(received, "{:received-packets/%ju} " 1135 "{N:/ARP packet%s received}\n"); 1136 p(dropped, "{:dropped-no-entry/%ju} " 1137 "{N:/total packet%s dropped due to no ARP entry}\n"); 1138 p(timeouts, "{:entries-timeout/%ju} " 1139 "{N:/ARP entry%s timed out}\n"); 1140 p(dupips, "{:dropped-duplicate-address/%ju} " 1141 "{N:/Duplicate IP%s seen}\n"); 1142 #undef p 1143 #undef p2 1144 xo_close_container(name); 1145 } 1146 1147 1148 1149 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1150 "echo reply", /* RFC 792 */ 1151 "#1", 1152 "#2", 1153 "destination unreachable", /* RFC 792 */ 1154 "source quench", /* RFC 792 */ 1155 "routing redirect", /* RFC 792 */ 1156 "#6", 1157 "#7", 1158 "echo", /* RFC 792 */ 1159 "router advertisement", /* RFC 1256 */ 1160 "router solicitation", /* RFC 1256 */ 1161 "time exceeded", /* RFC 792 */ 1162 "parameter problem", /* RFC 792 */ 1163 "time stamp", /* RFC 792 */ 1164 "time stamp reply", /* RFC 792 */ 1165 "information request", /* RFC 792 */ 1166 "information request reply", /* RFC 792 */ 1167 "address mask request", /* RFC 950 */ 1168 "address mask reply", /* RFC 950 */ 1169 "#19", 1170 "#20", 1171 "#21", 1172 "#22", 1173 "#23", 1174 "#24", 1175 "#25", 1176 "#26", 1177 "#27", 1178 "#28", 1179 "#29", 1180 "icmp traceroute", /* RFC 1393 */ 1181 "datagram conversion error", /* RFC 1475 */ 1182 "mobile host redirect", 1183 "IPv6 where-are-you", 1184 "IPv6 i-am-here", 1185 "mobile registration req", 1186 "mobile registration reply", 1187 "domain name request", /* RFC 1788 */ 1188 "domain name reply", /* RFC 1788 */ 1189 "icmp SKIP", 1190 "icmp photuris", /* RFC 2521 */ 1191 }; 1192 1193 /* 1194 * Dump ICMP statistics. 1195 */ 1196 void 1197 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1198 { 1199 struct icmpstat icmpstat; 1200 size_t len; 1201 int i, first; 1202 1203 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1204 sizeof(icmpstat), kread_counters) != 0) 1205 return; 1206 1207 xo_open_container(name); 1208 xo_emit("{T:/%s}:\n", name); 1209 1210 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1211 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1212 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1213 xo_emit(m, icmpstat.f) 1214 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1215 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1216 1217 p(icps_error, "\t{:icmp-calls/%lu} " 1218 "{N:/call%s to icmp_error}\n"); 1219 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1220 "{N:/error%s not generated in response to an icmp message}\n"); 1221 1222 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1223 if (icmpstat.icps_outhist[i] != 0) { 1224 if (first) { 1225 xo_open_list("output-histogram"); 1226 xo_emit("\tOutput histogram:\n"); 1227 first = 0; 1228 } 1229 xo_open_instance("output-histogram"); 1230 if (icmpnames[i] != NULL) 1231 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1232 icmpnames[i], icmpstat.icps_outhist[i]); 1233 else 1234 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1235 "{:count/%lu}\n", 1236 i, icmpstat.icps_outhist[i]); 1237 xo_close_instance("output-histogram"); 1238 } 1239 } 1240 if (!first) 1241 xo_close_list("output-histogram"); 1242 1243 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1244 "{N:/message%s with bad code fields}\n"); 1245 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1246 "{N:/message%s less than the minimum length}\n"); 1247 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1248 "{N:/message%s with bad checksum}\n"); 1249 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1250 "{N:/message%s with bad length}\n"); 1251 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1252 "{N:/multicast echo requests ignored}\n"); 1253 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1254 "{N:/multicast timestamp requests ignored}\n"); 1255 1256 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1257 if (icmpstat.icps_inhist[i] != 0) { 1258 if (first) { 1259 xo_open_list("input-histogram"); 1260 xo_emit("\tInput histogram:\n"); 1261 first = 0; 1262 } 1263 xo_open_instance("input-histogram"); 1264 if (icmpnames[i] != NULL) 1265 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1266 icmpnames[i], 1267 icmpstat.icps_inhist[i]); 1268 else 1269 xo_emit( 1270 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1271 i, icmpstat.icps_inhist[i]); 1272 xo_close_instance("input-histogram"); 1273 } 1274 } 1275 if (!first) 1276 xo_close_list("input-histogram"); 1277 1278 p(icps_reflect, "\t{:sent-packets/%lu} " 1279 "{N:/message response%s generated}\n"); 1280 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1281 "{N:/invalid return address%s}\n"); 1282 p(icps_noroute, "\t{:discard-no-route/%lu} " 1283 "{N:/no return route%s}\n"); 1284 #undef p 1285 #undef p1a 1286 #undef p2 1287 if (live) { 1288 len = sizeof i; 1289 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1290 0) 1291 return; 1292 xo_emit("\tICMP address mask responses are " 1293 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1294 } 1295 1296 xo_close_container(name); 1297 } 1298 1299 /* 1300 * Dump IGMP statistics structure. 1301 */ 1302 void 1303 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1304 { 1305 struct igmpstat igmpstat; 1306 int error, zflag0; 1307 1308 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1309 sizeof(igmpstat), kread) != 0) 1310 return; 1311 /* 1312 * Reread net.inet.igmp.stats when zflag == 1. 1313 * This is because this MIB contains version number and 1314 * length of the structure which are not set when clearing 1315 * the counters. 1316 */ 1317 zflag0 = zflag; 1318 if (zflag) { 1319 zflag = 0; 1320 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1321 sizeof(igmpstat), kread); 1322 zflag = zflag0; 1323 if (error) 1324 return; 1325 } 1326 1327 if (igmpstat.igps_version != IGPS_VERSION_3) { 1328 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1329 igmpstat.igps_version, IGPS_VERSION_3); 1330 return; 1331 } 1332 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1333 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1334 igmpstat.igps_len, IGPS_VERSION3_LEN); 1335 return; 1336 } 1337 1338 xo_open_container(name); 1339 xo_emit("{T:/%s}:\n", name); 1340 1341 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1342 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1343 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1344 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1345 1346 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1347 "{N:/message%s received}\n"); 1348 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1349 "{N:/message%s received with too few bytes}\n"); 1350 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1351 "{N:/message%s received with wrong TTL}\n"); 1352 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1353 "{N:/message%s received with bad checksum}\n"); 1354 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1355 "{N:/V1\\/V2 membership quer%s received}\n"); 1356 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1357 "{N:/V3 membership quer%s received}\n"); 1358 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1359 "{N:/membership quer%s received with invalid field(s)}\n"); 1360 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1361 "{N:/general quer%s received}\n"); 1362 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1363 "{N:/group quer%s received}\n"); 1364 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1365 "{N:/group-source quer%s received}\n"); 1366 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1367 "{N:/group-source quer%s dropped}\n"); 1368 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1369 "{N:/membership report%s received}\n"); 1370 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1371 "{N:/membership report%s received with invalid field(s)}\n"); 1372 p64(igps_rcv_ourreports, "\t" 1373 "{:received-membership-reports-matching/%ju} " 1374 "{N:/membership report%s received for groups to which we belong}" 1375 "\n"); 1376 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1377 "{N:/V3 report%s received without Router Alert}\n"); 1378 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1379 "{N:/membership report%s sent}\n"); 1380 #undef p64 1381 #undef py64 1382 xo_close_container(name); 1383 } 1384 1385 /* 1386 * Dump PIM statistics structure. 1387 */ 1388 void 1389 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1390 int proto __unused) 1391 { 1392 struct pimstat pimstat; 1393 1394 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1395 sizeof(pimstat), kread_counters) != 0) 1396 return; 1397 1398 xo_open_container(name); 1399 xo_emit("{T:/%s}:\n", name); 1400 1401 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1402 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1403 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1404 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1405 1406 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1407 "{N:/message%s received}\n"); 1408 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1409 "{N:/byte%s received}\n"); 1410 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1411 "{N:/message%s received with too few bytes}\n"); 1412 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1413 "{N:/message%s received with bad checksum}\n"); 1414 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1415 "{N:/message%s received with bad version}\n"); 1416 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1417 "{N:/data register message%s received}\n"); 1418 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1419 "{N:/data register byte%s received}\n"); 1420 p(pims_rcv_registers_wrongiif, "\t" 1421 "{:received-data-register-wrong-interface/%ju} " 1422 "{N:/data register message%s received on wrong iif}\n"); 1423 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1424 "{N:/bad register%s received}\n"); 1425 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1426 "{N:/data register message%s sent}\n"); 1427 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1428 "{N:/data register byte%s sent}\n"); 1429 #undef p 1430 #undef py 1431 xo_close_container(name); 1432 } 1433 1434 /* 1435 * Dump divert(4) statistics structure. 1436 */ 1437 void 1438 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1439 { 1440 struct divstat divstat; 1441 1442 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1443 sizeof(divstat), kread_counters) != 0) 1444 return; 1445 1446 xo_open_container(name); 1447 xo_emit("{T:/%s}:\n", name); 1448 1449 #define p(f, m) if (divstat.f || sflag <= 1) \ 1450 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1451 1452 p(div_diverted, "\t{:diverted-packets/%ju} " 1453 "{N:/packet%s successfully diverted to userland}\n"); 1454 p(div_noport, "\t{:noport-fails/%ju} " 1455 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1456 p(div_outbound, "\t{:outbound-packets/%ju} " 1457 "{N:/packet%s successfully re-injected as outbound}\n"); 1458 p(div_inbound, "\t{:inbound-packets/%ju} " 1459 "{N:/packet%s successfully re-injected as inbound}\n"); 1460 #undef p 1461 xo_close_container(name); 1462 } 1463 1464 #ifdef INET 1465 /* 1466 * Pretty print an Internet address (net address + port). 1467 */ 1468 static void 1469 inetprint(const char *container, struct in_addr *in, int port, 1470 const char *proto, int num_port, const int af1) 1471 { 1472 struct servent *sp = 0; 1473 char line[80], *cp; 1474 int width; 1475 size_t alen, plen; 1476 1477 if (container) 1478 xo_open_container(container); 1479 1480 if (Wflag) 1481 snprintf(line, sizeof(line), "%s.", inetname(in)); 1482 else 1483 snprintf(line, sizeof(line), "%.*s.", 1484 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1485 alen = strlen(line); 1486 cp = line + alen; 1487 if (!num_port && port) 1488 sp = getservbyport((int)port, proto); 1489 if (sp || port == 0) 1490 snprintf(cp, sizeof(line) - alen, 1491 "%.15s ", sp ? sp->s_name : "*"); 1492 else 1493 snprintf(cp, sizeof(line) - alen, 1494 "%d ", ntohs((u_short)port)); 1495 width = (Aflag && !Wflag) ? 18 : 1496 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1497 if (Wflag) 1498 xo_emit("{d:target/%-*s} ", width, line); 1499 else 1500 xo_emit("{d:target/%-*.*s} ", width, width, line); 1501 1502 plen = strlen(cp) - 1; 1503 alen--; 1504 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1505 plen, cp); 1506 1507 if (container) 1508 xo_close_container(container); 1509 } 1510 1511 /* 1512 * Construct an Internet address representation. 1513 * If numeric_addr has been supplied, give 1514 * numeric value, otherwise try for symbolic name. 1515 */ 1516 char * 1517 inetname(struct in_addr *inp) 1518 { 1519 char *cp; 1520 static char line[MAXHOSTNAMELEN]; 1521 struct hostent *hp; 1522 1523 cp = 0; 1524 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1525 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1526 if (hp) { 1527 cp = hp->h_name; 1528 trimdomain(cp, strlen(cp)); 1529 } 1530 } 1531 if (inp->s_addr == INADDR_ANY) 1532 strcpy(line, "*"); 1533 else if (cp) { 1534 strlcpy(line, cp, sizeof(line)); 1535 } else { 1536 inp->s_addr = ntohl(inp->s_addr); 1537 #define C(x) ((u_int)((x) & 0xff)) 1538 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1539 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1540 C(inp->s_addr >> 8), C(inp->s_addr)); 1541 } 1542 return (line); 1543 } 1544 #endif 1545