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