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