1 /*- 2 * Copyright (c) 1983, 1988, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 33 #endif /* not lint */ 34 #endif 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/queue.h> 41 #include <sys/domain.h> 42 #include <sys/protosw.h> 43 #include <sys/socket.h> 44 #define _WANT_SOCKET 45 #include <sys/socketvar.h> 46 #include <sys/sysctl.h> 47 48 #include <net/route.h> 49 #include <net/if_arp.h> 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/ip.h> 53 #include <netinet/ip_carp.h> 54 #ifdef INET6 55 #include <netinet/ip6.h> 56 #endif /* INET6 */ 57 #include <netinet/in_pcb.h> 58 #include <netinet/ip_icmp.h> 59 #include <netinet/icmp_var.h> 60 #include <netinet/igmp_var.h> 61 #include <netinet/ip_divert.h> 62 #include <netinet/ip_var.h> 63 #include <netinet/pim_var.h> 64 #include <netinet/tcp.h> 65 #include <netinet/tcpip.h> 66 #include <netinet/tcp_seq.h> 67 #define TCPSTATES 68 #include <netinet/tcp_fsm.h> 69 #include <netinet/tcp_timer.h> 70 #include <netinet/tcp_var.h> 71 #include <netinet/udp.h> 72 #include <netinet/udp_var.h> 73 74 #include <arpa/inet.h> 75 #include <err.h> 76 #include <errno.h> 77 #include <libutil.h> 78 #include <netdb.h> 79 #include <stdint.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <stdbool.h> 83 #include <string.h> 84 #include <unistd.h> 85 #include <libxo/xo.h> 86 #include "netstat.h" 87 #include "nl_defs.h" 88 89 #define max(a, b) (((a) > (b)) ? (a) : (b)) 90 91 #ifdef INET 92 static void inetprint(const char *, struct in_addr *, int, const char *, int, 93 const int); 94 #endif 95 #ifdef INET6 96 static int udp_done, tcp_done, sdp_done; 97 #endif /* INET6 */ 98 99 static int 100 pcblist_sysctl(int proto, const char *name, char **bufp) 101 { 102 const char *mibvar; 103 char *buf; 104 size_t len; 105 106 switch (proto) { 107 case IPPROTO_TCP: 108 mibvar = "net.inet.tcp.pcblist"; 109 break; 110 case IPPROTO_UDP: 111 mibvar = "net.inet.udp.pcblist"; 112 break; 113 default: 114 mibvar = "net.inet.raw.pcblist"; 115 break; 116 } 117 if (strncmp(name, "sdp", 3) == 0) 118 mibvar = "net.inet.sdp.pcblist"; 119 else if (strncmp(name, "divert", 6) == 0) 120 mibvar = "net.inet.divert.pcblist"; 121 len = 0; 122 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 123 if (errno != ENOENT) 124 xo_warn("sysctl: %s", mibvar); 125 return (0); 126 } 127 if ((buf = malloc(len)) == NULL) { 128 xo_warnx("malloc %lu bytes", (u_long)len); 129 return (0); 130 } 131 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 132 xo_warn("sysctl: %s", mibvar); 133 free(buf); 134 return (0); 135 } 136 *bufp = buf; 137 return (1); 138 } 139 140 /* 141 * Copied directly from uipc_socket2.c. We leave out some fields that are in 142 * nested structures that aren't used to avoid extra work. 143 */ 144 static void 145 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 146 { 147 xsb->sb_cc = sb->sb_ccc; 148 xsb->sb_hiwat = sb->sb_hiwat; 149 xsb->sb_mbcnt = sb->sb_mbcnt; 150 xsb->sb_mbmax = sb->sb_mbmax; 151 xsb->sb_lowat = sb->sb_lowat; 152 xsb->sb_flags = sb->sb_flags; 153 xsb->sb_timeo = sb->sb_timeo; 154 } 155 156 int 157 sotoxsocket(struct socket *so, struct xsocket *xso) 158 { 159 struct protosw proto; 160 struct domain domain; 161 162 bzero(xso, sizeof *xso); 163 xso->xso_len = sizeof *xso; 164 xso->xso_so = (uintptr_t)so; 165 xso->so_type = so->so_type; 166 xso->so_options = so->so_options; 167 xso->so_linger = so->so_linger; 168 xso->so_state = so->so_state; 169 xso->so_pcb = (uintptr_t)so->so_pcb; 170 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 171 return (-1); 172 xso->xso_protocol = proto.pr_protocol; 173 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 174 return (-1); 175 xso->xso_family = domain.dom_family; 176 xso->so_timeo = so->so_timeo; 177 xso->so_error = so->so_error; 178 if ((so->so_options & SO_ACCEPTCONN) != 0) { 179 xso->so_qlen = so->sol_qlen; 180 xso->so_incqlen = so->sol_incqlen; 181 xso->so_qlimit = so->sol_qlimit; 182 } else { 183 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 184 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 185 xso->so_oobmark = so->so_oobmark; 186 } 187 return (0); 188 } 189 190 /* 191 * Print a summary of connections related to an Internet 192 * protocol. For TCP, also give state of connection. 193 * Listening processes (aflag) are suppressed unless the 194 * -a (all) flag is specified. 195 */ 196 void 197 protopr(u_long off, const char *name, int af1, int proto) 198 { 199 static int first = 1; 200 int istcp; 201 char *buf; 202 const char *vchar; 203 struct xtcpcb *tp; 204 struct xinpcb *inp; 205 struct xinpgen *xig, *oxig; 206 struct xsocket *so; 207 int fnamelen, cnamelen; 208 209 istcp = 0; 210 switch (proto) { 211 case IPPROTO_TCP: 212 #ifdef INET6 213 if (strncmp(name, "sdp", 3) != 0) { 214 if (tcp_done != 0) 215 return; 216 else 217 tcp_done = 1; 218 } else { 219 if (sdp_done != 0) 220 return; 221 else 222 sdp_done = 1; 223 } 224 #endif 225 istcp = 1; 226 break; 227 case IPPROTO_UDP: 228 #ifdef INET6 229 if (udp_done != 0) 230 return; 231 else 232 udp_done = 1; 233 #endif 234 break; 235 } 236 237 if (!pcblist_sysctl(proto, name, &buf)) 238 return; 239 240 if (cflag || Cflag) { 241 fnamelen = strlen("Stack"); 242 cnamelen = strlen("CC"); 243 oxig = xig = (struct xinpgen *)buf; 244 for (xig = (struct xinpgen*)((char *)xig + xig->xig_len); 245 xig->xig_len > sizeof(struct xinpgen); 246 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 247 if (istcp) { 248 tp = (struct xtcpcb *)xig; 249 inp = &tp->xt_inp; 250 } else { 251 continue; 252 } 253 if (so->xso_protocol != proto) 254 continue; 255 if (inp->inp_gencnt > oxig->xig_gen) 256 continue; 257 fnamelen = max(fnamelen, (int)strlen(tp->xt_stack)); 258 cnamelen = max(cnamelen, (int)strlen(tp->xt_cc)); 259 } 260 } 261 262 oxig = xig = (struct xinpgen *)buf; 263 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 264 xig->xig_len > sizeof(struct xinpgen); 265 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 266 if (istcp) { 267 tp = (struct xtcpcb *)xig; 268 inp = &tp->xt_inp; 269 } else { 270 inp = (struct xinpcb *)xig; 271 } 272 so = &inp->xi_socket; 273 274 /* Ignore sockets for protocols other than the desired one. */ 275 if (proto != 0 && so->xso_protocol != proto) 276 continue; 277 278 /* Ignore PCBs which were freed during copyout. */ 279 if (inp->inp_gencnt > oxig->xig_gen) 280 continue; 281 282 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 283 #ifdef INET6 284 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 285 #endif /* INET6 */ 286 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 287 #ifdef INET6 288 && (inp->inp_vflag & INP_IPV6) == 0 289 #endif /* INET6 */ 290 )) 291 ) 292 continue; 293 if (!aflag && 294 ( 295 (istcp && tp->t_state == TCPS_LISTEN) 296 || (af1 == AF_INET && 297 inp->inp_laddr.s_addr == INADDR_ANY) 298 #ifdef INET6 299 || (af1 == AF_INET6 && 300 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 301 #endif /* INET6 */ 302 || (af1 == AF_UNSPEC && 303 (((inp->inp_vflag & INP_IPV4) != 0 && 304 inp->inp_laddr.s_addr == INADDR_ANY) 305 #ifdef INET6 306 || ((inp->inp_vflag & INP_IPV6) != 0 && 307 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 308 #endif 309 )) 310 )) 311 continue; 312 313 if (first) { 314 if (!Lflag) { 315 xo_emit("Active Internet connections"); 316 if (aflag) 317 xo_emit(" (including servers)"); 318 } else 319 xo_emit( 320 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 321 xo_emit("\n"); 322 if (Aflag) 323 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 324 "Tcpcb"); 325 if (Lflag) 326 xo_emit((Aflag && !Wflag) ? 327 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 328 ((!Wflag || af1 == AF_INET) ? 329 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 330 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 331 "Proto", "Listen", "Local Address"); 332 else if (Tflag) 333 xo_emit((Aflag && !Wflag) ? 334 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 335 ((!Wflag || af1 == AF_INET) ? 336 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 337 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 338 "Proto", "Rexmit", "OOORcv", "0-win", 339 "Local Address", "Foreign Address"); 340 else { 341 xo_emit((Aflag && !Wflag) ? 342 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 343 ((!Wflag || af1 == AF_INET) ? 344 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 345 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 346 "Proto", "Recv-Q", "Send-Q", 347 "Local Address", "Foreign Address"); 348 if (!xflag && !Rflag) 349 xo_emit(" {T:/%-11.11s}", "(state)"); 350 } 351 if (xflag) { 352 xo_emit("{T:/%-6.6s} {T:/%-6.6s} " 353 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 354 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 355 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 356 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 357 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 358 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 359 "rexmt", "persist", "keep", "2msl", 360 "delack", "rcvtime"); 361 } else if (Rflag) { 362 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 363 "flowid", "ftype"); 364 } 365 if (cflag) { 366 xo_emit(" {T:/%-*.*s}", 367 fnamelen, fnamelen, "Stack"); 368 } 369 if (Cflag) 370 xo_emit(" {T:/%-*.*s} {T:/%10.10s}" 371 " {T:/%10.10s} {T:/%5.5s}" 372 " {T:/%3.3s}", cnamelen, 373 cnamelen, "CC", 374 "cwin", 375 "ssthresh", 376 "MSS", 377 "ECN"); 378 if (Pflag) 379 xo_emit(" {T:/%s}", "Log ID"); 380 xo_emit("\n"); 381 first = 0; 382 } 383 if (Lflag && so->so_qlimit == 0) 384 continue; 385 xo_open_instance("socket"); 386 if (Aflag) 387 xo_emit("{q:address/%*lx} ", 2 * (int)sizeof(void *), 388 (u_long)so->so_pcb); 389 #ifdef INET6 390 if ((inp->inp_vflag & INP_IPV6) != 0) 391 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 392 "46" : "6"; 393 else 394 #endif 395 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 396 "4" : ""; 397 if (istcp && (tp->t_flags & TF_TOE) != 0) 398 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 399 else 400 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 401 if (Lflag) { 402 char buf1[33]; 403 404 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 405 so->so_incqlen, so->so_qlimit); 406 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 407 } else if (Tflag) { 408 if (istcp) 409 xo_emit("{:sent-retransmit-packets/%6u} " 410 "{:received-out-of-order-packets/%6u} " 411 "{:sent-zero-window/%6u} ", 412 tp->t_sndrexmitpack, tp->t_rcvoopack, 413 tp->t_sndzerowin); 414 else 415 xo_emit("{P:/%21s}", ""); 416 } else { 417 xo_emit("{:receive-bytes-waiting/%6u} " 418 "{:send-bytes-waiting/%6u} ", 419 so->so_rcv.sb_cc, so->so_snd.sb_cc); 420 } 421 if (numeric_port) { 422 #ifdef INET 423 if (inp->inp_vflag & INP_IPV4) { 424 inetprint("local", &inp->inp_laddr, 425 (int)inp->inp_lport, name, 1, af1); 426 if (!Lflag) 427 inetprint("remote", &inp->inp_faddr, 428 (int)inp->inp_fport, name, 1, af1); 429 } 430 #endif 431 #if defined(INET) && defined(INET6) 432 else 433 #endif 434 #ifdef INET6 435 if (inp->inp_vflag & INP_IPV6) { 436 inet6print("local", &inp->in6p_laddr, 437 (int)inp->inp_lport, name, 1); 438 if (!Lflag) 439 inet6print("remote", &inp->in6p_faddr, 440 (int)inp->inp_fport, name, 1); 441 } /* else nothing printed now */ 442 #endif /* INET6 */ 443 } else if (inp->inp_flags & INP_ANONPORT) { 444 #ifdef INET 445 if (inp->inp_vflag & INP_IPV4) { 446 inetprint("local", &inp->inp_laddr, 447 (int)inp->inp_lport, name, 1, af1); 448 if (!Lflag) 449 inetprint("remote", &inp->inp_faddr, 450 (int)inp->inp_fport, name, 0, af1); 451 } 452 #endif 453 #if defined(INET) && defined(INET6) 454 else 455 #endif 456 #ifdef INET6 457 if (inp->inp_vflag & INP_IPV6) { 458 inet6print("local", &inp->in6p_laddr, 459 (int)inp->inp_lport, name, 1); 460 if (!Lflag) 461 inet6print("remote", &inp->in6p_faddr, 462 (int)inp->inp_fport, name, 0); 463 } /* else nothing printed now */ 464 #endif /* INET6 */ 465 } else { 466 #ifdef INET 467 if (inp->inp_vflag & INP_IPV4) { 468 inetprint("local", &inp->inp_laddr, 469 (int)inp->inp_lport, name, 0, af1); 470 if (!Lflag) 471 inetprint("remote", &inp->inp_faddr, 472 (int)inp->inp_fport, name, 473 inp->inp_lport != inp->inp_fport, 474 af1); 475 } 476 #endif 477 #if defined(INET) && defined(INET6) 478 else 479 #endif 480 #ifdef INET6 481 if (inp->inp_vflag & INP_IPV6) { 482 inet6print("local", &inp->in6p_laddr, 483 (int)inp->inp_lport, name, 0); 484 if (!Lflag) 485 inet6print("remote", &inp->in6p_faddr, 486 (int)inp->inp_fport, name, 487 inp->inp_lport != inp->inp_fport); 488 } /* else nothing printed now */ 489 #endif /* INET6 */ 490 } 491 if (xflag) { 492 xo_emit("{:receive-high-water/%6u} " 493 "{:send-high-water/%6u} " 494 "{:receive-low-water/%6u} {:send-low-water/%6u} " 495 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 496 "{:receive-mbuf-bytes-max/%6u} " 497 "{:send-mbuf-bytes-max/%6u}", 498 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 499 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 500 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 501 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 502 if (istcp) 503 xo_emit(" {:retransmit-timer/%4d.%02d} " 504 "{:persist-timer/%4d.%02d} " 505 "{:keepalive-timer/%4d.%02d} " 506 "{:msl2-timer/%4d.%02d} " 507 "{:delay-ack-timer/%4d.%02d} " 508 "{:inactivity-timer/%4d.%02d}", 509 tp->tt_rexmt / 1000, 510 (tp->tt_rexmt % 1000) / 10, 511 tp->tt_persist / 1000, 512 (tp->tt_persist % 1000) / 10, 513 tp->tt_keep / 1000, 514 (tp->tt_keep % 1000) / 10, 515 tp->tt_2msl / 1000, 516 (tp->tt_2msl % 1000) / 10, 517 tp->tt_delack / 1000, 518 (tp->tt_delack % 1000) / 10, 519 tp->t_rcvtime / 1000, 520 (tp->t_rcvtime % 1000) / 10); 521 } 522 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 523 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 524 xo_emit("{:tcp-state/%-11d}", tp->t_state); 525 else { 526 xo_emit("{:tcp-state/%-11s}", 527 tcpstates[tp->t_state]); 528 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 529 /* Show T/TCP `hidden state' */ 530 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 531 xo_emit("{:need-syn-or-fin/*}"); 532 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 533 } 534 } 535 if (Rflag) { 536 /* XXX: is this right Alfred */ 537 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 538 inp->inp_flowid, 539 inp->inp_flowtype); 540 } 541 if (istcp) { 542 if (cflag) 543 xo_emit(" {:stack/%-*.*s}", 544 545 fnamelen, fnamelen, tp->xt_stack); 546 if (Cflag) 547 xo_emit(" {:cc/%-*.*s}" 548 " {:snd-cwnd/%10lu}" 549 " {:snd-ssthresh/%10lu}" 550 " {:t-maxseg/%5u} {:ecn/%3s}", 551 cnamelen, cnamelen, tp->xt_cc, 552 tp->t_snd_cwnd, tp->t_snd_ssthresh, 553 tp->t_maxseg, 554 (tp->t_state >= TCPS_ESTABLISHED ? 555 (tp->xt_ecn > 0 ? 556 (tp->xt_ecn == 1 ? 557 "ecn" : "ace") 558 : "off") 559 : "n/a")); 560 if (Pflag) 561 xo_emit(" {:log-id/%s}", 562 tp->xt_logid[0] == '\0' ? 563 "-" : tp->xt_logid); 564 } 565 xo_emit("\n"); 566 xo_close_instance("socket"); 567 } 568 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 569 if (oxig->xig_count > xig->xig_count) { 570 xo_emit("Some {d:lost/%s} sockets may have been " 571 "deleted.\n", name); 572 } else if (oxig->xig_count < xig->xig_count) { 573 xo_emit("Some {d:created/%s} sockets may have been " 574 "created.\n", name); 575 } else { 576 xo_emit("Some {d:changed/%s} sockets may have been " 577 "created or deleted.\n", name); 578 } 579 } 580 free(buf); 581 } 582 583 /* 584 * Dump TCP statistics structure. 585 */ 586 void 587 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 588 { 589 struct tcpstat tcpstat; 590 uint64_t tcps_states[TCP_NSTATES]; 591 592 #ifdef INET6 593 if (tcp_done != 0) 594 return; 595 else 596 tcp_done = 1; 597 #endif 598 599 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 600 sizeof(tcpstat), kread_counters) != 0) 601 return; 602 603 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 604 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 605 return; 606 607 xo_open_container("tcp"); 608 xo_emit("{T:/%s}:\n", name); 609 610 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 611 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 612 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 613 xo_emit(m, (uintmax_t )tcpstat.f) 614 #define p2(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, plural(tcpstat.f2)) 617 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 618 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 619 (uintmax_t )tcpstat.f2) 620 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 621 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 622 623 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 624 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 625 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 626 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 627 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 628 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 629 "{N:retransmitted}\n"); 630 p(tcps_sndrexmitbad, "\t\t" 631 "{:sent-unnecessary-retransmitted-packets/%ju} " 632 "{N:/data packet%s unnecessarily retransmitted}\n"); 633 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 634 "{N:/resend%s initiated by MTU discovery}\n"); 635 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 636 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 637 "{N:delayed})\n"); 638 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 639 "{N:/URG only packet%s}\n"); 640 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 641 "{N:/window probe packet%s}\n"); 642 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 643 "{N:/window update packet%s}\n"); 644 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 645 "{N:/control packet%s}\n"); 646 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 647 "{N:/packet%s received}\n"); 648 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 649 "{:received-ack-packets/%ju} {N:/ack%s} " 650 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 651 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 652 "{N:/duplicate ack%s}\n"); 653 p(tcps_tunneled_pkts, "\t\t{:received-udp-tunneled-pkts/%ju} " 654 "{N:/UDP tunneled pkt%s}\n"); 655 p(tcps_tunneled_errs, "\t\t{:received-bad-udp-tunneled-pkts/%ju} " 656 "{N:/UDP tunneled pkt cnt with error%s}\n"); 657 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 658 "{N:/ack%s for unsent data}\n"); 659 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 660 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 661 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 662 "{N:received in-sequence}\n"); 663 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 664 "{:received-completely-duplicate-packets/%ju} " 665 "{N:/completely duplicate packet%s} " 666 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 667 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 668 "{N:/old duplicate packet%s}\n"); 669 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 670 "{:received-some-duplicate-packets/%ju} " 671 "{N:/packet%s with some dup. data} " 672 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 673 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 674 "{N:/out-of-order packet%s} " 675 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 676 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 677 "{:received-after-window-packets/%ju} {N:/packet%s} " 678 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 679 "{N:of data after window}\n"); 680 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 681 "{N:/window probe%s}\n"); 682 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 683 "{N:/window update packet%s}\n"); 684 p(tcps_dsack_count, "\t\t{:received-with-dsack-packets/%ju} " 685 "{N:/packet%s received with dsack}\n"); 686 p(tcps_dsack_bytes, "\t\t{:received-with-dsack-bytes/%ju} " 687 "{N:/dsack byte%s received (no TLP involved)}\n"); 688 p(tcps_dsack_tlp_bytes, "\t\t{:received-with-dsack-bytes-tlp/%ju} " 689 "{N:/dsack byte%s received (TLP responsible)}\n"); 690 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 691 "{N:/packet%s received after close}\n"); 692 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 693 "{N:/discarded for bad checksum%s}\n"); 694 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 695 "{N:/discarded for bad header offset field%s}\n"); 696 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 697 "{N:discarded because packet too short}\n"); 698 p1a(tcps_rcvreassfull, "\t\t{:discard-reassembly-queue-full/%ju} " 699 "{N:discarded due to full reassembly queue}\n"); 700 p(tcps_connattempt, "\t{:connection-requests/%ju} " 701 "{N:/connection request%s}\n"); 702 p(tcps_accepts, "\t{:connections-accepts/%ju} " 703 "{N:/connection accept%s}\n"); 704 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 705 "{N:/bad connection attempt%s}\n"); 706 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 707 "{N:/listen queue overflow%s}\n"); 708 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 709 "{N:/ignored RSTs in the window%s}\n"); 710 p(tcps_connects, "\t{:connections-established/%ju} " 711 "{N:/connection%s established (including accepts)}\n"); 712 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 713 "{N:/time%s used RTT from hostcache}\n"); 714 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 715 "{N:/time%s used RTT variance from hostcache}\n"); 716 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 717 "{N:/time%s used slow-start threshold from hostcache}\n"); 718 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 719 "{N:/connection%s closed (including} " 720 "{:connection-drops/%ju} {N:/drop%s})\n"); 721 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 722 "{N:/connection%s updated cached RTT on close}\n"); 723 p(tcps_cachedrttvar, "\t\t" 724 "{:connections-updated-variance-on-close/%ju} " 725 "{N:/connection%s updated cached RTT variance on close}\n"); 726 p(tcps_cachedssthresh, "\t\t" 727 "{:connections-updated-ssthresh-on-close/%ju} " 728 "{N:/connection%s updated cached ssthresh on close}\n"); 729 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 730 "{N:/embryonic connection%s dropped}\n"); 731 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 732 "{N:/segment%s updated rtt (of} " 733 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 734 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 735 "{N:/retransmit timeout%s}\n"); 736 p(tcps_timeoutdrop, "\t\t" 737 "{:connections-dropped-by-retransmit-timeout/%ju} " 738 "{N:/connection%s dropped by rexmit timeout}\n"); 739 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 740 "{N:/persist timeout%s}\n"); 741 p(tcps_persistdrop, "\t\t" 742 "{:connections-dropped-by-persist-timeout/%ju} " 743 "{N:/connection%s dropped by persist timeout}\n"); 744 p(tcps_finwait2_drops, "\t" 745 "{:connections-dropped-by-finwait2-timeout/%ju} " 746 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 747 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 748 "{N:/keepalive timeout%s}\n"); 749 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 750 "{N:/keepalive probe%s sent}\n"); 751 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 752 "{N:/connection%s dropped by keepalive}\n"); 753 p(tcps_progdrops, "\t{:connections-dropped-due-to-progress-time/%ju} " 754 "{N:/connection%s dropped due to exceeding progress time}\n"); 755 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 756 "{N:/correct ACK header prediction%s}\n"); 757 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 758 "{N:/correct data packet header prediction%s}\n"); 759 760 xo_open_container("syncache"); 761 762 p3(tcps_sc_added, "\t{:entries-added/%ju} " 763 "{N:/syncache entr%s added}\n"); 764 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 765 "{N:/retransmitted}\n"); 766 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 767 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 768 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 769 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 770 "{N:/bucket overflow}\n"); 771 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 772 "{N:/cache overflow}\n"); 773 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 774 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 775 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 776 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 777 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 778 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 779 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 780 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 781 "{N:/cookie%s received}\n"); 782 783 xo_close_container("syncache"); 784 785 xo_open_container("hostcache"); 786 787 p3(tcps_hc_added, "\t{:entries-added/%ju} " 788 "{N:/hostcache entr%s added}\n"); 789 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 790 "{N:/bucket overflow}\n"); 791 792 xo_close_container("hostcache"); 793 794 xo_open_container("sack"); 795 796 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 797 "{N:/SACK recovery episode%s}\n"); 798 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 799 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 800 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 801 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 802 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 803 "{N:/SACK option%s (SACK blocks) received}\n"); 804 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 805 "{N:/SACK option%s (SACK blocks) sent}\n"); 806 p(tcps_sack_lostrexmt, "\t{:lost-retransmissions/%ju} " 807 "{N:/SACK retransmission%s lost}\n"); 808 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 809 "{N:/SACK scoreboard overflow}\n"); 810 811 xo_close_container("sack"); 812 xo_open_container("ecn"); 813 814 p(tcps_ecn_rcvce, "\t{:received-ce-packets/%ju} " 815 "{N:/packet%s received with ECN CE bit set}\n"); 816 p(tcps_ecn_rcvect0, "\t{:received-ect0-packets/%ju} " 817 "{N:/packet%s received with ECN ECT(0) bit set}\n"); 818 p(tcps_ecn_rcvect1, "\t{:received-ect1-packets/%ju} " 819 "{N:/packet%s received with ECN ECT(1) bit set}\n"); 820 p(tcps_ecn_sndect0, "\t{:sent-ect0-packets/%ju} " 821 "{N:/packet%s sent with ECN ECT(0) bit set}\n"); 822 p(tcps_ecn_sndect1, "\t{:sent-ect1-packets/%ju} " 823 "{N:/packet%s sent with ECN ECT(1) bit set}\n"); 824 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 825 "{N:/successful ECN handshake%s}\n"); 826 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 827 "{N:/time%s ECN reduced the congestion window}\n"); 828 829 p(tcps_ace_nect, "\t{:ace-nonect-syn/%ju} " 830 "{N:/ACE SYN packet%s with Non-ECT}\n"); 831 p(tcps_ace_ect0, "\t{:ace-ect0-syn/%ju} " 832 "{N:/ACE SYN packet%s with ECT0}\n"); 833 p(tcps_ace_ect1, "\t{:ace-ect1-syn/%ju} " 834 "{N:/ACE SYN packet%s with ECT1}\n"); 835 p(tcps_ace_ce, "\t{:ace-ce-syn/%ju} " 836 "{N:/ACE SYN packet%s with CE}\n"); 837 838 xo_close_container("ecn"); 839 xo_open_container("tcp-signature"); 840 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 841 "{N:/packet%s with matching signature received}\n"); 842 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 843 "{N:/packet%s with bad signature received}\n"); 844 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 845 "{N:/time%s failed to make signature due to no SA}\n"); 846 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 847 "{N:/time%s unexpected signature received}\n"); 848 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 849 "{N:/time%s no signature provided by segment}\n"); 850 851 xo_close_container("tcp-signature"); 852 xo_open_container("pmtud"); 853 854 p(tcps_pmtud_blackhole_activated, "\t{:pmtud-activated/%ju} " 855 "{N:/Path MTU discovery black hole detection activation%s}\n"); 856 p(tcps_pmtud_blackhole_activated_min_mss, 857 "\t{:pmtud-activated-min-mss/%ju} " 858 "{N:/Path MTU discovery black hole detection min MSS activation%s}\n"); 859 p(tcps_pmtud_blackhole_failed, "\t{:pmtud-failed/%ju} " 860 "{N:/Path MTU discovery black hole detection failure%s}\n"); 861 862 xo_close_container("pmtud"); 863 xo_open_container("tw"); 864 865 p(tcps_tw_responds, "\t{:tw_responds/%ju} " 866 "{N:/time%s connection in TIME-WAIT responded with ACK}\n"); 867 p(tcps_tw_recycles, "\t{:tw_recycles/%ju} " 868 "{N:/time%s connection in TIME-WAIT was actively recycled}\n"); 869 p(tcps_tw_resets, "\t{:tw_resets/%ju} " 870 "{N:/time%s connection in TIME-WAIT responded with RST}\n"); 871 872 xo_close_container("tw"); 873 #undef p 874 #undef p1a 875 #undef p2 876 #undef p2a 877 #undef p3 878 879 xo_open_container("TCP connection count by state"); 880 xo_emit("{T:/TCP connection count by state}:\n"); 881 for (int i = 0; i < TCP_NSTATES; i++) { 882 /* 883 * XXXGL: is there a way in libxo to use %s 884 * in the "content string" of a format 885 * string? I failed to do that, that's why 886 * a temporary buffer is used to construct 887 * format string for xo_emit(). 888 */ 889 char fmtbuf[80]; 890 891 if (sflag > 1 && tcps_states[i] == 0) 892 continue; 893 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 894 "{Np:/connection ,connections} in %s state\n", 895 tcpstates[i], tcpstates[i]); 896 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 897 } 898 xo_close_container("TCP connection count by state"); 899 900 xo_close_container("tcp"); 901 } 902 903 /* 904 * Dump UDP statistics structure. 905 */ 906 void 907 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 908 { 909 struct udpstat udpstat; 910 uint64_t delivered; 911 912 #ifdef INET6 913 if (udp_done != 0) 914 return; 915 else 916 udp_done = 1; 917 #endif 918 919 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 920 sizeof(udpstat), kread_counters) != 0) 921 return; 922 923 xo_open_container("udp"); 924 xo_emit("{T:/%s}:\n", name); 925 926 #define p(f, m) if (udpstat.f || sflag <= 1) \ 927 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 928 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 929 xo_emit("\t" m, (uintmax_t)udpstat.f) 930 931 p(udps_ipackets, "{:received-datagrams/%ju} " 932 "{N:/datagram%s received}\n"); 933 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 934 "{N:/with incomplete header}\n"); 935 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 936 "{N:/with bad data length field}\n"); 937 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 938 "{N:/with bad checksum}\n"); 939 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 940 "{N:/with no checksum}\n"); 941 p1a(udps_noport, "{:dropped-no-socket/%ju} " 942 "{N:/dropped due to no socket}\n"); 943 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 944 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 945 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 946 "{N:/dropped due to full socket buffers}\n"); 947 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 948 "{N:/not for hashed pcb}\n"); 949 delivered = udpstat.udps_ipackets - 950 udpstat.udps_hdrops - 951 udpstat.udps_badlen - 952 udpstat.udps_badsum - 953 udpstat.udps_noport - 954 udpstat.udps_noportbcast - 955 udpstat.udps_fullsock; 956 if (delivered || sflag <= 1) 957 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 958 (uint64_t)delivered); 959 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 960 /* the next statistic is cumulative in udps_noportbcast */ 961 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 962 "{N:/time%s multicast source filter matched}\n"); 963 #undef p 964 #undef p1a 965 xo_close_container("udp"); 966 } 967 968 /* 969 * Dump CARP statistics structure. 970 */ 971 void 972 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 973 { 974 struct carpstats carpstat; 975 976 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 977 sizeof(carpstat), kread_counters) != 0) 978 return; 979 980 xo_open_container(name); 981 xo_emit("{T:/%s}:\n", name); 982 983 #define p(f, m) if (carpstat.f || sflag <= 1) \ 984 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 985 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 986 xo_emit(m, (uintmax_t)carpstat.f) 987 988 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 989 "{N:/packet%s received (IPv4)}\n"); 990 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 991 "{N:/packet%s received (IPv6)}\n"); 992 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 993 "{N:/packet%s discarded for wrong TTL}\n"); 994 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 995 "{N:/packet%s shorter than header}\n"); 996 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 997 "{N:/discarded for bad checksum%s}\n"); 998 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 999 "{N:/discarded packet%s with a bad version}\n"); 1000 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 1001 "{N:/discarded because packet too short}\n"); 1002 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 1003 "{N:/discarded for bad authentication}\n"); 1004 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 1005 "{N:/discarded for bad vhid}\n"); 1006 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1007 "{N:/discarded because of a bad address list}\n"); 1008 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1009 "{N:/packet%s sent (IPv4)}\n"); 1010 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1011 "{N:/packet%s sent (IPv6)}\n"); 1012 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1013 "{N:/send failed due to mbuf memory error}\n"); 1014 #if notyet 1015 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1016 "{N:/state update%s sent}\n"); 1017 #endif 1018 #undef p 1019 #undef p2 1020 xo_close_container(name); 1021 } 1022 1023 /* 1024 * Dump IP statistics structure. 1025 */ 1026 void 1027 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1028 { 1029 struct ipstat ipstat; 1030 1031 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1032 sizeof(ipstat), kread_counters) != 0) 1033 return; 1034 1035 xo_open_container(name); 1036 xo_emit("{T:/%s}:\n", name); 1037 1038 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1039 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1040 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1041 xo_emit(m, (uintmax_t )ipstat.f) 1042 1043 p(ips_total, "\t{:received-packets/%ju} " 1044 "{N:/total packet%s received}\n"); 1045 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1046 "{N:/bad header checksum%s}\n"); 1047 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1048 "{N:/with size smaller than minimum}\n"); 1049 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1050 "{N:/with data size < data length}\n"); 1051 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1052 "{N:/with ip length > max ip packet size}\n"); 1053 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1054 "{N:/with header length < data size}\n"); 1055 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1056 "{N:/with data length < header length}\n"); 1057 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1058 "{N:/with bad options}\n"); 1059 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1060 "{N:/with incorrect version number}\n"); 1061 p(ips_fragments, "\t{:received-fragments/%ju} " 1062 "{N:/fragment%s received}\n"); 1063 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1064 "{N:/fragment%s dropped (dup or out of space)}\n"); 1065 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1066 "{N:/fragment%s dropped after timeout}\n"); 1067 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1068 "{N:/packet%s reassembled ok}\n"); 1069 p(ips_delivered, "\t{:received-local-packets/%ju} " 1070 "{N:/packet%s for this host}\n"); 1071 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1072 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1073 p(ips_forward, "\t{:forwarded-packets/%ju} " 1074 "{N:/packet%s forwarded}"); 1075 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1076 "{N:/packet%s fast forwarded})"); 1077 if (ipstat.ips_forward || sflag <= 1) 1078 xo_emit("\n"); 1079 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1080 "{N:/packet%s not forwardable}\n"); 1081 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1082 "{N:/packet%s received for unknown multicast group}\n"); 1083 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1084 "{N:/redirect%s sent}\n"); 1085 p(ips_localout, "\t{:sent-packets/%ju} " 1086 "{N:/packet%s sent from this host}\n"); 1087 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1088 "{N:/packet%s sent with fabricated ip header}\n"); 1089 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1090 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1091 p(ips_noroute, "\t{:discard-no-route/%ju} " 1092 "{N:/output packet%s discarded due to no route}\n"); 1093 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1094 "{N:/output datagram%s fragmented}\n"); 1095 p(ips_ofragments, "\t{:fragments-created/%ju} " 1096 "{N:/fragment%s created}\n"); 1097 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1098 "{N:/datagram%s that can't be fragmented}\n"); 1099 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1100 "{N:/tunneling packet%s that can't find gif}\n"); 1101 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1102 "{N:/datagram%s with bad address in header}\n"); 1103 #undef p 1104 #undef p1a 1105 xo_close_container(name); 1106 } 1107 1108 /* 1109 * Dump ARP statistics structure. 1110 */ 1111 void 1112 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1113 { 1114 struct arpstat arpstat; 1115 1116 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1117 sizeof(arpstat), kread_counters) != 0) 1118 return; 1119 1120 xo_open_container(name); 1121 xo_emit("{T:/%s}:\n", name); 1122 1123 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1124 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1125 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1126 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1127 1128 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1129 p(txerrors, "{:sent-failures/%ju} {N:/ARP request%s failed to sent}\n"); 1130 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1131 p(rxrequests, "{:received-requests/%ju} " 1132 "{N:/ARP request%s received}\n"); 1133 p2(rxreplies, "{:received-replies/%ju} " 1134 "{N:/ARP repl%s received}\n"); 1135 p(received, "{:received-packets/%ju} " 1136 "{N:/ARP packet%s received}\n"); 1137 p(dropped, "{:dropped-no-entry/%ju} " 1138 "{N:/total packet%s dropped due to no ARP entry}\n"); 1139 p(timeouts, "{:entries-timeout/%ju} " 1140 "{N:/ARP entry%s timed out}\n"); 1141 p(dupips, "{:dropped-duplicate-address/%ju} " 1142 "{N:/Duplicate IP%s seen}\n"); 1143 #undef p 1144 #undef p2 1145 xo_close_container(name); 1146 } 1147 1148 1149 1150 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1151 "echo reply", /* RFC 792 */ 1152 "#1", 1153 "#2", 1154 "destination unreachable", /* RFC 792 */ 1155 "source quench", /* RFC 792 */ 1156 "routing redirect", /* RFC 792 */ 1157 "#6", 1158 "#7", 1159 "echo", /* RFC 792 */ 1160 "router advertisement", /* RFC 1256 */ 1161 "router solicitation", /* RFC 1256 */ 1162 "time exceeded", /* RFC 792 */ 1163 "parameter problem", /* RFC 792 */ 1164 "time stamp", /* RFC 792 */ 1165 "time stamp reply", /* RFC 792 */ 1166 "information request", /* RFC 792 */ 1167 "information request reply", /* RFC 792 */ 1168 "address mask request", /* RFC 950 */ 1169 "address mask reply", /* RFC 950 */ 1170 "#19", 1171 "#20", 1172 "#21", 1173 "#22", 1174 "#23", 1175 "#24", 1176 "#25", 1177 "#26", 1178 "#27", 1179 "#28", 1180 "#29", 1181 "icmp traceroute", /* RFC 1393 */ 1182 "datagram conversion error", /* RFC 1475 */ 1183 "mobile host redirect", 1184 "IPv6 where-are-you", 1185 "IPv6 i-am-here", 1186 "mobile registration req", 1187 "mobile registration reply", 1188 "domain name request", /* RFC 1788 */ 1189 "domain name reply", /* RFC 1788 */ 1190 "icmp SKIP", 1191 "icmp photuris", /* RFC 2521 */ 1192 }; 1193 1194 /* 1195 * Dump ICMP statistics. 1196 */ 1197 void 1198 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1199 { 1200 struct icmpstat icmpstat; 1201 size_t len; 1202 int i, first; 1203 1204 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1205 sizeof(icmpstat), kread_counters) != 0) 1206 return; 1207 1208 xo_open_container(name); 1209 xo_emit("{T:/%s}:\n", name); 1210 1211 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1212 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1213 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1214 xo_emit(m, icmpstat.f) 1215 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1216 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1217 1218 p(icps_error, "\t{:icmp-calls/%lu} " 1219 "{N:/call%s to icmp_error}\n"); 1220 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1221 "{N:/error%s not generated in response to an icmp message}\n"); 1222 1223 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1224 if (icmpstat.icps_outhist[i] != 0) { 1225 if (first) { 1226 xo_open_list("output-histogram"); 1227 xo_emit("\tOutput histogram:\n"); 1228 first = 0; 1229 } 1230 xo_open_instance("output-histogram"); 1231 if (icmpnames[i] != NULL) 1232 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1233 icmpnames[i], icmpstat.icps_outhist[i]); 1234 else 1235 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1236 "{:count/%lu}\n", 1237 i, icmpstat.icps_outhist[i]); 1238 xo_close_instance("output-histogram"); 1239 } 1240 } 1241 if (!first) 1242 xo_close_list("output-histogram"); 1243 1244 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1245 "{N:/message%s with bad code fields}\n"); 1246 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1247 "{N:/message%s less than the minimum length}\n"); 1248 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1249 "{N:/message%s with bad checksum}\n"); 1250 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1251 "{N:/message%s with bad length}\n"); 1252 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1253 "{N:/multicast echo requests ignored}\n"); 1254 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1255 "{N:/multicast timestamp requests ignored}\n"); 1256 1257 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1258 if (icmpstat.icps_inhist[i] != 0) { 1259 if (first) { 1260 xo_open_list("input-histogram"); 1261 xo_emit("\tInput histogram:\n"); 1262 first = 0; 1263 } 1264 xo_open_instance("input-histogram"); 1265 if (icmpnames[i] != NULL) 1266 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1267 icmpnames[i], 1268 icmpstat.icps_inhist[i]); 1269 else 1270 xo_emit( 1271 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1272 i, icmpstat.icps_inhist[i]); 1273 xo_close_instance("input-histogram"); 1274 } 1275 } 1276 if (!first) 1277 xo_close_list("input-histogram"); 1278 1279 p(icps_reflect, "\t{:sent-packets/%lu} " 1280 "{N:/message response%s generated}\n"); 1281 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1282 "{N:/invalid return address%s}\n"); 1283 p(icps_noroute, "\t{:discard-no-route/%lu} " 1284 "{N:/no return route%s}\n"); 1285 #undef p 1286 #undef p1a 1287 #undef p2 1288 if (live) { 1289 len = sizeof i; 1290 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1291 0) 1292 return; 1293 xo_emit("\tICMP address mask responses are " 1294 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1295 } 1296 1297 xo_close_container(name); 1298 } 1299 1300 /* 1301 * Dump IGMP statistics structure. 1302 */ 1303 void 1304 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1305 { 1306 struct igmpstat igmpstat; 1307 int error, zflag0; 1308 1309 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1310 sizeof(igmpstat), kread) != 0) 1311 return; 1312 /* 1313 * Reread net.inet.igmp.stats when zflag == 1. 1314 * This is because this MIB contains version number and 1315 * length of the structure which are not set when clearing 1316 * the counters. 1317 */ 1318 zflag0 = zflag; 1319 if (zflag) { 1320 zflag = 0; 1321 error = fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1322 sizeof(igmpstat), kread); 1323 zflag = zflag0; 1324 if (error) 1325 return; 1326 } 1327 1328 if (igmpstat.igps_version != IGPS_VERSION_3) { 1329 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1330 igmpstat.igps_version, IGPS_VERSION_3); 1331 return; 1332 } 1333 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1334 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1335 igmpstat.igps_len, IGPS_VERSION3_LEN); 1336 return; 1337 } 1338 1339 xo_open_container(name); 1340 xo_emit("{T:/%s}:\n", name); 1341 1342 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1343 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1344 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1345 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1346 1347 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1348 "{N:/message%s received}\n"); 1349 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1350 "{N:/message%s received with too few bytes}\n"); 1351 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1352 "{N:/message%s received with wrong TTL}\n"); 1353 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1354 "{N:/message%s received with bad checksum}\n"); 1355 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1356 "{N:/V1\\/V2 membership quer%s received}\n"); 1357 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1358 "{N:/V3 membership quer%s received}\n"); 1359 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1360 "{N:/membership quer%s received with invalid field(s)}\n"); 1361 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1362 "{N:/general quer%s received}\n"); 1363 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1364 "{N:/group quer%s received}\n"); 1365 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1366 "{N:/group-source quer%s received}\n"); 1367 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1368 "{N:/group-source quer%s dropped}\n"); 1369 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1370 "{N:/membership report%s received}\n"); 1371 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1372 "{N:/membership report%s received with invalid field(s)}\n"); 1373 p64(igps_rcv_ourreports, "\t" 1374 "{:received-membership-reports-matching/%ju} " 1375 "{N:/membership report%s received for groups to which we belong}" 1376 "\n"); 1377 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1378 "{N:/V3 report%s received without Router Alert}\n"); 1379 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1380 "{N:/membership report%s sent}\n"); 1381 #undef p64 1382 #undef py64 1383 xo_close_container(name); 1384 } 1385 1386 /* 1387 * Dump PIM statistics structure. 1388 */ 1389 void 1390 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1391 int proto __unused) 1392 { 1393 struct pimstat pimstat; 1394 1395 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1396 sizeof(pimstat), kread_counters) != 0) 1397 return; 1398 1399 xo_open_container(name); 1400 xo_emit("{T:/%s}:\n", name); 1401 1402 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1403 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1404 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1405 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1406 1407 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1408 "{N:/message%s received}\n"); 1409 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1410 "{N:/byte%s received}\n"); 1411 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1412 "{N:/message%s received with too few bytes}\n"); 1413 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1414 "{N:/message%s received with bad checksum}\n"); 1415 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1416 "{N:/message%s received with bad version}\n"); 1417 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1418 "{N:/data register message%s received}\n"); 1419 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1420 "{N:/data register byte%s received}\n"); 1421 p(pims_rcv_registers_wrongiif, "\t" 1422 "{:received-data-register-wrong-interface/%ju} " 1423 "{N:/data register message%s received on wrong iif}\n"); 1424 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1425 "{N:/bad register%s received}\n"); 1426 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1427 "{N:/data register message%s sent}\n"); 1428 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1429 "{N:/data register byte%s sent}\n"); 1430 #undef p 1431 #undef py 1432 xo_close_container(name); 1433 } 1434 1435 /* 1436 * Dump divert(4) statistics structure. 1437 */ 1438 void 1439 divert_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1440 { 1441 struct divstat divstat; 1442 1443 if (fetch_stats("net.inet.divert.stats", off, &divstat, 1444 sizeof(divstat), kread_counters) != 0) 1445 return; 1446 1447 xo_open_container(name); 1448 xo_emit("{T:/%s}:\n", name); 1449 1450 #define p(f, m) if (divstat.f || sflag <= 1) \ 1451 xo_emit(m, (uintmax_t)divstat.f, plural(divstat.f)) 1452 1453 p(div_diverted, "\t{:diverted-packets/%ju} " 1454 "{N:/packet%s successfully diverted to userland}\n"); 1455 p(div_noport, "\t{:noport-fails/%ju} " 1456 "{N:/packet%s failed to divert due to no socket bound at port}\n"); 1457 p(div_outbound, "\t{:outbound-packets/%ju} " 1458 "{N:/packet%s successfully re-injected as outbound}\n"); 1459 p(div_inbound, "\t{:inbound-packets/%ju} " 1460 "{N:/packet%s successfully re-injected as inbound}\n"); 1461 #undef p 1462 xo_close_container(name); 1463 } 1464 1465 #ifdef INET 1466 /* 1467 * Pretty print an Internet address (net address + port). 1468 */ 1469 static void 1470 inetprint(const char *container, struct in_addr *in, int port, 1471 const char *proto, int num_port, const int af1) 1472 { 1473 struct servent *sp = 0; 1474 char line[80], *cp; 1475 int width; 1476 size_t alen, plen; 1477 1478 if (container) 1479 xo_open_container(container); 1480 1481 if (Wflag) 1482 snprintf(line, sizeof(line), "%s.", inetname(in)); 1483 else 1484 snprintf(line, sizeof(line), "%.*s.", 1485 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1486 alen = strlen(line); 1487 cp = line + alen; 1488 if (!num_port && port) 1489 sp = getservbyport((int)port, proto); 1490 if (sp || port == 0) 1491 snprintf(cp, sizeof(line) - alen, 1492 "%.15s ", sp ? sp->s_name : "*"); 1493 else 1494 snprintf(cp, sizeof(line) - alen, 1495 "%d ", ntohs((u_short)port)); 1496 width = (Aflag && !Wflag) ? 18 : 1497 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1498 if (Wflag) 1499 xo_emit("{d:target/%-*s} ", width, line); 1500 else 1501 xo_emit("{d:target/%-*.*s} ", width, width, line); 1502 1503 plen = strlen(cp) - 1; 1504 alen--; 1505 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1506 plen, cp); 1507 1508 if (container) 1509 xo_close_container(container); 1510 } 1511 1512 /* 1513 * Construct an Internet address representation. 1514 * If numeric_addr has been supplied, give 1515 * numeric value, otherwise try for symbolic name. 1516 */ 1517 char * 1518 inetname(struct in_addr *inp) 1519 { 1520 char *cp; 1521 static char line[MAXHOSTNAMELEN]; 1522 struct hostent *hp; 1523 1524 cp = 0; 1525 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1526 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1527 if (hp) { 1528 cp = hp->h_name; 1529 trimdomain(cp, strlen(cp)); 1530 } 1531 } 1532 if (inp->s_addr == INADDR_ANY) 1533 strcpy(line, "*"); 1534 else if (cp) { 1535 strlcpy(line, cp, sizeof(line)); 1536 } else { 1537 inp->s_addr = ntohl(inp->s_addr); 1538 #define C(x) ((u_int)((x) & 0xff)) 1539 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1540 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1541 C(inp->s_addr >> 8), C(inp->s_addr)); 1542 } 1543 return (line); 1544 } 1545 #endif 1546