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 #include <sys/socketvar.h> 45 #include <sys/sysctl.h> 46 47 #include <net/route.h> 48 #include <net/if_arp.h> 49 #include <netinet/in.h> 50 #include <netinet/in_systm.h> 51 #include <netinet/ip.h> 52 #include <netinet/ip_carp.h> 53 #ifdef INET6 54 #include <netinet/ip6.h> 55 #endif /* INET6 */ 56 #include <netinet/in_pcb.h> 57 #include <netinet/ip_icmp.h> 58 #include <netinet/icmp_var.h> 59 #include <netinet/igmp_var.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 void inetprint(const char *, struct in_addr *, int, const char *, int, 88 const int); 89 #ifdef INET6 90 static int udp_done, tcp_done, sdp_done; 91 #endif /* INET6 */ 92 93 static int 94 pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused) 95 { 96 const char *mibvar; 97 char *buf; 98 size_t len; 99 100 switch (proto) { 101 case IPPROTO_TCP: 102 mibvar = "net.inet.tcp.pcblist"; 103 break; 104 case IPPROTO_UDP: 105 mibvar = "net.inet.udp.pcblist"; 106 break; 107 case IPPROTO_DIVERT: 108 mibvar = "net.inet.divert.pcblist"; 109 break; 110 default: 111 mibvar = "net.inet.raw.pcblist"; 112 break; 113 } 114 if (strncmp(name, "sdp", 3) == 0) 115 mibvar = "net.inet.sdp.pcblist"; 116 len = 0; 117 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 118 if (errno != ENOENT) 119 xo_warn("sysctl: %s", mibvar); 120 return (0); 121 } 122 if ((buf = malloc(len)) == NULL) { 123 xo_warnx("malloc %lu bytes", (u_long)len); 124 return (0); 125 } 126 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 127 xo_warn("sysctl: %s", mibvar); 128 free(buf); 129 return (0); 130 } 131 *bufp = buf; 132 return (1); 133 } 134 135 /* 136 * Copied directly from uipc_socket2.c. We leave out some fields that are in 137 * nested structures that aren't used to avoid extra work. 138 */ 139 static void 140 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 141 { 142 xsb->sb_cc = sb->sb_ccc; 143 xsb->sb_hiwat = sb->sb_hiwat; 144 xsb->sb_mbcnt = sb->sb_mbcnt; 145 xsb->sb_mcnt = sb->sb_mcnt; 146 xsb->sb_ccnt = sb->sb_ccnt; 147 xsb->sb_mbmax = sb->sb_mbmax; 148 xsb->sb_lowat = sb->sb_lowat; 149 xsb->sb_flags = sb->sb_flags; 150 xsb->sb_timeo = sb->sb_timeo; 151 } 152 153 int 154 sotoxsocket(struct socket *so, struct xsocket *xso) 155 { 156 struct protosw proto; 157 struct domain domain; 158 159 bzero(xso, sizeof *xso); 160 xso->xso_len = sizeof *xso; 161 xso->xso_so = so; 162 xso->so_type = so->so_type; 163 xso->so_options = so->so_options; 164 xso->so_linger = so->so_linger; 165 xso->so_state = so->so_state; 166 xso->so_pcb = so->so_pcb; 167 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 168 return (-1); 169 xso->xso_protocol = proto.pr_protocol; 170 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 171 return (-1); 172 xso->xso_family = domain.dom_family; 173 xso->so_qlen = so->so_qlen; 174 xso->so_incqlen = so->so_incqlen; 175 xso->so_qlimit = so->so_qlimit; 176 xso->so_timeo = so->so_timeo; 177 xso->so_error = so->so_error; 178 xso->so_oobmark = so->so_oobmark; 179 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 180 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 181 return (0); 182 } 183 184 static int 185 pcblist_kvm(u_long off, char **bufp, int istcp) 186 { 187 struct inpcbinfo pcbinfo; 188 struct inpcbhead listhead; 189 struct inpcb *inp; 190 struct xinpcb xi; 191 struct xinpgen xig; 192 struct xtcpcb xt; 193 struct socket so; 194 struct xsocket *xso; 195 char *buf, *p; 196 size_t len; 197 198 if (off == 0) 199 return (0); 200 kread(off, &pcbinfo, sizeof(pcbinfo)); 201 if (istcp) 202 len = 2 * sizeof(xig) + 203 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 204 sizeof(struct xtcpcb); 205 else 206 len = 2 * sizeof(xig) + 207 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 208 sizeof(struct xinpcb); 209 if ((buf = malloc(len)) == NULL) { 210 xo_warnx("malloc %lu bytes", (u_long)len); 211 return (0); 212 } 213 p = buf; 214 215 #define COPYOUT(obj, size) do { \ 216 if (len < (size)) { \ 217 xo_warnx("buffer size exceeded"); \ 218 goto fail; \ 219 } \ 220 bcopy((obj), p, (size)); \ 221 len -= (size); \ 222 p += (size); \ 223 } while (0) 224 225 #define KREAD(off, buf, len) do { \ 226 if (kread((uintptr_t)(off), (buf), (len)) != 0) \ 227 goto fail; \ 228 } while (0) 229 230 /* Write out header. */ 231 xig.xig_len = sizeof xig; 232 xig.xig_count = pcbinfo.ipi_count; 233 xig.xig_gen = pcbinfo.ipi_gencnt; 234 xig.xig_sogen = 0; 235 COPYOUT(&xig, sizeof xig); 236 237 /* Walk the PCB list. */ 238 xt.xt_len = sizeof xt; 239 xi.xi_len = sizeof xi; 240 if (istcp) 241 xso = &xt.xt_socket; 242 else 243 xso = &xi.xi_socket; 244 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead)); 245 LIST_FOREACH(inp, &listhead, inp_list) { 246 if (istcp) { 247 KREAD(inp, &xt.xt_inp, sizeof(*inp)); 248 inp = &xt.xt_inp; 249 } else { 250 KREAD(inp, &xi.xi_inp, sizeof(*inp)); 251 inp = &xi.xi_inp; 252 } 253 254 if (inp->inp_gencnt > pcbinfo.ipi_gencnt) 255 continue; 256 257 if (istcp) { 258 if (inp->inp_ppcb == NULL) 259 bzero(&xt.xt_tp, sizeof xt.xt_tp); 260 else if (inp->inp_flags & INP_TIMEWAIT) { 261 bzero(&xt.xt_tp, sizeof xt.xt_tp); 262 xt.xt_tp.t_state = TCPS_TIME_WAIT; 263 } else 264 KREAD(inp->inp_ppcb, &xt.xt_tp, 265 sizeof xt.xt_tp); 266 } 267 if (inp->inp_socket) { 268 KREAD(inp->inp_socket, &so, sizeof(so)); 269 if (sotoxsocket(&so, xso) != 0) 270 goto fail; 271 } else { 272 bzero(xso, sizeof(*xso)); 273 if (istcp) 274 xso->xso_protocol = IPPROTO_TCP; 275 } 276 if (istcp) 277 COPYOUT(&xt, sizeof xt); 278 else 279 COPYOUT(&xi, sizeof xi); 280 } 281 282 /* Reread the pcbinfo and write out the footer. */ 283 kread(off, &pcbinfo, sizeof(pcbinfo)); 284 xig.xig_count = pcbinfo.ipi_count; 285 xig.xig_gen = pcbinfo.ipi_gencnt; 286 COPYOUT(&xig, sizeof xig); 287 288 *bufp = buf; 289 return (1); 290 291 fail: 292 free(buf); 293 return (0); 294 #undef COPYOUT 295 #undef KREAD 296 } 297 298 /* 299 * Print a summary of connections related to an Internet 300 * protocol. For TCP, also give state of connection. 301 * Listening processes (aflag) are suppressed unless the 302 * -a (all) flag is specified. 303 */ 304 void 305 protopr(u_long off, const char *name, int af1, int proto) 306 { 307 int istcp; 308 static int first = 1; 309 char *buf; 310 const char *vchar; 311 struct tcpcb *tp = NULL; 312 struct inpcb *inp; 313 struct xinpgen *xig, *oxig; 314 struct xsocket *so; 315 struct xtcp_timer *timer; 316 317 istcp = 0; 318 switch (proto) { 319 case IPPROTO_TCP: 320 #ifdef INET6 321 if (strncmp(name, "sdp", 3) != 0) { 322 if (tcp_done != 0) 323 return; 324 else 325 tcp_done = 1; 326 } else { 327 if (sdp_done != 0) 328 return; 329 else 330 sdp_done = 1; 331 } 332 #endif 333 istcp = 1; 334 break; 335 case IPPROTO_UDP: 336 #ifdef INET6 337 if (udp_done != 0) 338 return; 339 else 340 udp_done = 1; 341 #endif 342 break; 343 } 344 if (live) { 345 if (!pcblist_sysctl(proto, name, &buf, istcp)) 346 return; 347 } else { 348 if (!pcblist_kvm(off, &buf, istcp)) 349 return; 350 } 351 352 oxig = xig = (struct xinpgen *)buf; 353 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 354 xig->xig_len > sizeof(struct xinpgen); 355 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 356 if (istcp) { 357 timer = &((struct xtcpcb *)xig)->xt_timer; 358 tp = &((struct xtcpcb *)xig)->xt_tp; 359 inp = &((struct xtcpcb *)xig)->xt_inp; 360 so = &((struct xtcpcb *)xig)->xt_socket; 361 } else { 362 inp = &((struct xinpcb *)xig)->xi_inp; 363 so = &((struct xinpcb *)xig)->xi_socket; 364 timer = NULL; 365 } 366 367 /* Ignore sockets for protocols other than the desired one. */ 368 if (so->xso_protocol != proto) 369 continue; 370 371 /* Ignore PCBs which were freed during copyout. */ 372 if (inp->inp_gencnt > oxig->xig_gen) 373 continue; 374 375 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 376 #ifdef INET6 377 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 378 #endif /* INET6 */ 379 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 380 #ifdef INET6 381 && (inp->inp_vflag & INP_IPV6) == 0 382 #endif /* INET6 */ 383 )) 384 ) 385 continue; 386 if (!aflag && 387 ( 388 (istcp && tp->t_state == TCPS_LISTEN) 389 || (af1 == AF_INET && 390 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 391 #ifdef INET6 392 || (af1 == AF_INET6 && 393 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 394 #endif /* INET6 */ 395 || (af1 == AF_UNSPEC && 396 (((inp->inp_vflag & INP_IPV4) != 0 && 397 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 398 #ifdef INET6 399 || ((inp->inp_vflag & INP_IPV6) != 0 && 400 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 401 #endif 402 )) 403 )) 404 continue; 405 406 if (first) { 407 if (!Lflag) { 408 xo_emit("Active Internet connections"); 409 if (aflag) 410 xo_emit(" (including servers)"); 411 } else 412 xo_emit( 413 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 414 xo_emit("\n"); 415 if (Aflag) 416 xo_emit("{T:/%-*s} ", 2 * (int)sizeof(void *), 417 "Tcpcb"); 418 if (Lflag) 419 xo_emit((Aflag && !Wflag) ? 420 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-18.18s}" : 421 ((!Wflag || af1 == AF_INET) ? 422 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-22.22s}" : 423 "{T:/%-5.5s} {T:/%-32.32s} {T:/%-45.45s}"), 424 "Proto", "Listen", "Local Address"); 425 else if (Tflag) 426 xo_emit((Aflag && !Wflag) ? 427 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%s}" : 428 ((!Wflag || af1 == AF_INET) ? 429 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%s}" : 430 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%s}"), 431 "Proto", "Rexmit", "OOORcv", "0-win", 432 "Local Address", "Foreign Address"); 433 else { 434 xo_emit((Aflag && !Wflag) ? 435 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-18.18s} {T:/%-18.18s}" : 436 ((!Wflag || af1 == AF_INET) ? 437 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-22.22s} {T:/%-22.22s}" : 438 "{T:/%-5.5s} {T:/%-6.6s} {T:/%-6.6s} {T:/%-45.45s} {T:/%-45.45s}"), 439 "Proto", "Recv-Q", "Send-Q", 440 "Local Address", "Foreign Address"); 441 if (!xflag && !Rflag) 442 xo_emit(" (state)"); 443 } 444 if (xflag) { 445 xo_emit(" {T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 446 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 447 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s} " 448 "{T:/%-6.6s} {T:/%-6.6s} {T:/%-6.6s}", 449 "R-MBUF", "S-MBUF", "R-CLUS", "S-CLUS", 450 "R-HIWA", "S-HIWA", "R-LOWA", "S-LOWA", 451 "R-BCNT", "S-BCNT", "R-BMAX", "S-BMAX"); 452 xo_emit(" {T:/%7.7s} {T:/%7.7s} {T:/%7.7s} " 453 "{T:/%7.7s} {T:/%7.7s} {T:/%7.7s}", 454 "rexmt", "persist", "keep", "2msl", 455 "delack", "rcvtime"); 456 } else if (Rflag) { 457 xo_emit(" {T:/%8.8s} {T:/%5.5s}", 458 "flowid", "ftype"); 459 } 460 xo_emit("\n"); 461 first = 0; 462 } 463 if (Lflag && so->so_qlimit == 0) 464 continue; 465 xo_open_instance("socket"); 466 if (Aflag) { 467 if (istcp) 468 xo_emit("{q:address/%*lx} ", 469 2 * (int)sizeof(void *), 470 (u_long)inp->inp_ppcb); 471 else 472 xo_emit("{q:address/%*lx} ", 473 2 * (int)sizeof(void *), 474 (u_long)so->so_pcb); 475 } 476 #ifdef INET6 477 if ((inp->inp_vflag & INP_IPV6) != 0) 478 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 479 "46" : "6"; 480 else 481 #endif 482 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 483 "4" : ""; 484 if (istcp && (tp->t_flags & TF_TOE) != 0) 485 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", "toe", vchar); 486 else 487 xo_emit("{:protocol/%-3.3s%-2.2s/%s%s} ", name, vchar); 488 if (Lflag) { 489 char buf1[33]; 490 491 snprintf(buf1, sizeof buf1, "%u/%u/%u", so->so_qlen, 492 so->so_incqlen, so->so_qlimit); 493 xo_emit("{:listen-queue-sizes/%-32.32s} ", buf1); 494 } else if (Tflag) { 495 if (istcp) 496 xo_emit("{:sent-retransmit-packets/%6u} " 497 "{:received-out-of-order-packets/%6u} " 498 "{:sent-zero-window/%6u} ", 499 tp->t_sndrexmitpack, tp->t_rcvoopack, 500 tp->t_sndzerowin); 501 else 502 xo_emit("{P:/%21s}", ""); 503 } else { 504 xo_emit("{:receive-bytes-waiting/%6u} " 505 "{:send-bytes-waiting/%6u} ", 506 so->so_rcv.sb_cc, so->so_snd.sb_cc); 507 } 508 if (numeric_port) { 509 if (inp->inp_vflag & INP_IPV4) { 510 inetprint("local", &inp->inp_laddr, 511 (int)inp->inp_lport, name, 1, af1); 512 if (!Lflag) 513 inetprint("remote", &inp->inp_faddr, 514 (int)inp->inp_fport, name, 1, af1); 515 } 516 #ifdef INET6 517 else if (inp->inp_vflag & INP_IPV6) { 518 inet6print("local", &inp->in6p_laddr, 519 (int)inp->inp_lport, name, 1); 520 if (!Lflag) 521 inet6print("remote", &inp->in6p_faddr, 522 (int)inp->inp_fport, name, 1); 523 } /* else nothing printed now */ 524 #endif /* INET6 */ 525 } else if (inp->inp_flags & INP_ANONPORT) { 526 if (inp->inp_vflag & INP_IPV4) { 527 inetprint("local", &inp->inp_laddr, 528 (int)inp->inp_lport, name, 1, af1); 529 if (!Lflag) 530 inetprint("remote", &inp->inp_faddr, 531 (int)inp->inp_fport, name, 0, af1); 532 } 533 #ifdef INET6 534 else if (inp->inp_vflag & INP_IPV6) { 535 inet6print("local", &inp->in6p_laddr, 536 (int)inp->inp_lport, name, 1); 537 if (!Lflag) 538 inet6print("remote", &inp->in6p_faddr, 539 (int)inp->inp_fport, name, 0); 540 } /* else nothing printed now */ 541 #endif /* INET6 */ 542 } else { 543 if (inp->inp_vflag & INP_IPV4) { 544 inetprint("local", &inp->inp_laddr, 545 (int)inp->inp_lport, name, 0, af1); 546 if (!Lflag) 547 inetprint("remote", &inp->inp_faddr, 548 (int)inp->inp_fport, name, 549 inp->inp_lport != inp->inp_fport, 550 af1); 551 } 552 #ifdef INET6 553 else if (inp->inp_vflag & INP_IPV6) { 554 inet6print("local", &inp->in6p_laddr, 555 (int)inp->inp_lport, name, 0); 556 if (!Lflag) 557 inet6print("remote", &inp->in6p_faddr, 558 (int)inp->inp_fport, name, 559 inp->inp_lport != inp->inp_fport); 560 } /* else nothing printed now */ 561 #endif /* INET6 */ 562 } 563 if (xflag) { 564 xo_emit("{:receive-mbufs/%6u} {:send-mbufs/%6u} " 565 "{:receive-clusters/%6u} {:send-clusters/%6u} " 566 "{:receive-high-water/%6u} {:send-high-water/%6u} " 567 "{:receive-low-water/%6u} {:send-low-water/%6u} " 568 "{:receive-mbuf-bytes/%6u} {:send-mbuf-bytes/%6u} " 569 "{:receive-mbuf-bytes-max/%6u} " 570 "{:send-mbuf-bytes-max/%6u}", 571 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 572 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 573 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 574 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 575 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 576 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 577 if (timer != NULL) 578 xo_emit(" {:retransmit-timer/%4d.%02d} " 579 "{:persist-timer/%4d.%02d} " 580 "{:keepalive-timer/%4d.%02d} " 581 "{:msl2-timer/%4d.%02d} " 582 "{:delay-ack-timer/%4d.%02d} " 583 "{:inactivity-timer/%4d.%02d}", 584 timer->tt_rexmt / 1000, 585 (timer->tt_rexmt % 1000) / 10, 586 timer->tt_persist / 1000, 587 (timer->tt_persist % 1000) / 10, 588 timer->tt_keep / 1000, 589 (timer->tt_keep % 1000) / 10, 590 timer->tt_2msl / 1000, 591 (timer->tt_2msl % 1000) / 10, 592 timer->tt_delack / 1000, 593 (timer->tt_delack % 1000) / 10, 594 timer->t_rcvtime / 1000, 595 (timer->t_rcvtime % 1000) / 10); 596 } 597 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 598 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 599 xo_emit("{:tcp-state/%d}", tp->t_state); 600 else { 601 xo_emit("{:tcp-state/%s}", 602 tcpstates[tp->t_state]); 603 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 604 /* Show T/TCP `hidden state' */ 605 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 606 xo_emit("{:need-syn-or-fin/*}"); 607 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 608 } 609 } 610 if (Rflag) { 611 /* XXX: is this right Alfred */ 612 xo_emit(" {:flow-id/%08x} {:flow-type/%5d}", 613 inp->inp_flowid, 614 inp->inp_flowtype); 615 } 616 xo_emit("\n"); 617 xo_close_instance("socket"); 618 } 619 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 620 if (oxig->xig_count > xig->xig_count) { 621 xo_emit("Some {d:lost/%s} sockets may have been " 622 "deleted.\n", name); 623 } else if (oxig->xig_count < xig->xig_count) { 624 xo_emit("Some {d:created/%s} sockets may have been " 625 "created.\n", name); 626 } else { 627 xo_emit("Some {d:changed/%s} sockets may have been " 628 "created or deleted.\n", name); 629 } 630 } 631 free(buf); 632 } 633 634 /* 635 * Dump TCP statistics structure. 636 */ 637 void 638 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 639 { 640 struct tcpstat tcpstat; 641 uint64_t tcps_states[TCP_NSTATES]; 642 643 #ifdef INET6 644 if (tcp_done != 0) 645 return; 646 else 647 tcp_done = 1; 648 #endif 649 650 if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, 651 sizeof(tcpstat), kread_counters) != 0) 652 return; 653 654 if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, 655 &tcps_states, sizeof(tcps_states), kread_counters) != 0) 656 return; 657 658 xo_open_container("tcp"); 659 xo_emit("{T:/%s}:\n", name); 660 661 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 662 xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 663 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 664 xo_emit(m, (uintmax_t )tcpstat.f) 665 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 666 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 667 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 668 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 669 xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 670 (uintmax_t )tcpstat.f2) 671 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 672 xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 673 674 p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); 675 p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " 676 "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); 677 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" 678 "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " 679 "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " 680 "{N:retransmitted}\n"); 681 p(tcps_sndrexmitbad, "\t\t" 682 "{:sent-unnecessary-retransmitted-packets/%ju} " 683 "{N:/data packet%s unnecessarily retransmitted}\n"); 684 p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " 685 "{N:/resend%s initiated by MTU discovery}\n"); 686 p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " 687 "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " 688 "{N:delayed})\n"); 689 p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " 690 "{N:/URG only packet%s}\n"); 691 p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " 692 "{N:/window probe packet%s}\n"); 693 p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " 694 "{N:/window update packet%s}\n"); 695 p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " 696 "{N:/control packet%s}\n"); 697 p(tcps_rcvtotal, "\t{:received-packets/%ju} " 698 "{N:/packet%s received}\n"); 699 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" 700 "{:received-ack-packets/%ju} {N:/ack%s} " 701 "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); 702 p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " 703 "{N:/duplicate ack%s}\n"); 704 p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " 705 "{N:/ack%s for unsent data}\n"); 706 p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" 707 "{:received-in-sequence-packets/%ju} {N:/packet%s} " 708 "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " 709 "{N:received in-sequence}\n"); 710 p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" 711 "{:received-completely-duplicate-packets/%ju} " 712 "{N:/completely duplicate packet%s} " 713 "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); 714 p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " 715 "{N:/old duplicate packet%s}\n"); 716 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" 717 "{:received-some-duplicate-packets/%ju} " 718 "{N:/packet%s with some dup. data} " 719 "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); 720 p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " 721 "{N:/out-of-order packet%s} " 722 "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); 723 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" 724 "{:received-after-window-packets/%ju} {N:/packet%s} " 725 "({:received-after-window-bytes/%ju} {N:/byte%s}) " 726 "{N:of data after window}\n"); 727 p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " 728 "{N:/window probe%s}\n"); 729 p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " 730 "{N:/window update packet%s}\n"); 731 p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " 732 "{N:/packet%s received after close}\n"); 733 p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " 734 "{N:/discarded for bad checksum%s}\n"); 735 p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " 736 "{N:/discarded for bad header offset field%s}\n"); 737 p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " 738 "{N:discarded because packet too short}\n"); 739 p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} " 740 "{N:discarded due to memory problems}\n"); 741 p(tcps_connattempt, "\t{:connection-requests/%ju} " 742 "{N:/connection request%s}\n"); 743 p(tcps_accepts, "\t{:connections-accepts/%ju} " 744 "{N:/connection accept%s}\n"); 745 p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " 746 "{N:/bad connection attempt%s}\n"); 747 p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " 748 "{N:/listen queue overflow%s}\n"); 749 p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " 750 "{N:/ignored RSTs in the window%s}\n"); 751 p(tcps_connects, "\t{:connections-established/%ju} " 752 "{N:/connection%s established (including accepts)}\n"); 753 p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " 754 "{N:/time%s used RTT from hostcache}\n"); 755 p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " 756 "{N:/time%s used RTT variance from hostcache}\n"); 757 p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " 758 "{N:/time%s used slow-start threshold from hostcache}\n"); 759 p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " 760 "{N:/connection%s closed (including} " 761 "{:connection-drops/%ju} {N:/drop%s})\n"); 762 p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " 763 "{N:/connection%s updated cached RTT on close}\n"); 764 p(tcps_cachedrttvar, "\t\t" 765 "{:connections-updated-variance-on-close/%ju} " 766 "{N:/connection%s updated cached RTT variance on close}\n"); 767 p(tcps_cachedssthresh, "\t\t" 768 "{:connections-updated-ssthresh-on-close/%ju} " 769 "{N:/connection%s updated cached ssthresh on close}\n"); 770 p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " 771 "{N:/embryonic connection%s dropped}\n"); 772 p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " 773 "{N:/segment%s updated rtt (of} " 774 "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); 775 p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " 776 "{N:/retransmit timeout%s}\n"); 777 p(tcps_timeoutdrop, "\t\t" 778 "{:connections-dropped-by-retransmit-timeout/%ju} " 779 "{N:/connection%s dropped by rexmit timeout}\n"); 780 p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " 781 "{N:/persist timeout%s}\n"); 782 p(tcps_persistdrop, "\t\t" 783 "{:connections-dropped-by-persist-timeout/%ju} " 784 "{N:/connection%s dropped by persist timeout}\n"); 785 p(tcps_finwait2_drops, "\t" 786 "{:connections-dropped-by-finwait2-timeout/%ju} " 787 "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); 788 p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " 789 "{N:/keepalive timeout%s}\n"); 790 p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " 791 "{N:/keepalive probe%s sent}\n"); 792 p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " 793 "{N:/connection%s dropped by keepalive}\n"); 794 p(tcps_predack, "\t{:ack-header-predictions/%ju} " 795 "{N:/correct ACK header prediction%s}\n"); 796 p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " 797 "{N:/correct data packet header prediction%s}\n"); 798 799 xo_open_container("syncache"); 800 801 p3(tcps_sc_added, "\t{:entries-added/%ju} " 802 "{N:/syncache entr%s added}\n"); 803 p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " 804 "{N:/retransmitted}\n"); 805 p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); 806 p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); 807 p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); 808 p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " 809 "{N:/bucket overflow}\n"); 810 p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " 811 "{N:/cache overflow}\n"); 812 p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); 813 p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); 814 p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); 815 p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); 816 p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); 817 p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); 818 p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); 819 p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " 820 "{N:/cookie%s received}\n"); 821 822 xo_close_container("syncache"); 823 824 xo_open_container("hostcache"); 825 826 p3(tcps_hc_added, "\t{:entries-added/%ju} " 827 "{N:/hostcache entr%s added}\n"); 828 p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " 829 "{N:/bucket overflow}\n"); 830 831 xo_close_container("hostcache"); 832 833 xo_open_container("sack"); 834 835 p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " 836 "{N:/SACK recovery episode%s}\n"); 837 p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " 838 "{N:/segment rexmit%s in SACK recovery episodes}\n"); 839 p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " 840 "{N:/byte rexmit%s in SACK recovery episodes}\n"); 841 p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " 842 "{N:/SACK option%s (SACK blocks) received}\n"); 843 p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " 844 "{N:/SACK option%s (SACK blocks) sent}\n"); 845 p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " 846 "{N:/SACK scoreboard overflow}\n"); 847 848 xo_close_container("sack"); 849 xo_open_container("ecn"); 850 851 p(tcps_ecn_ce, "\t{:ce-packets/%ju} " 852 "{N:/packet%s with ECN CE bit set}\n"); 853 p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " 854 "{N:/packet%s with ECN ECT(0) bit set}\n"); 855 p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " 856 "{N:/packet%s with ECN ECT(1) bit set}\n"); 857 p(tcps_ecn_shs, "\t{:handshakes/%ju} " 858 "{N:/successful ECN handshake%s}\n"); 859 p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " 860 "{N:/time%s ECN reduced the congestion window}\n"); 861 862 xo_close_container("ecn"); 863 xo_open_container("tcp-signature"); 864 p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " 865 "{N:/packet%s with matching signature received}\n"); 866 p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " 867 "{N:/packet%s with bad signature received}\n"); 868 p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " 869 "{N:/time%s failed to make signature due to no SA}\n"); 870 p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " 871 "{N:/time%s unexpected signature received}\n"); 872 p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " 873 "{N:/time%s no signature provided by segment}\n"); 874 #undef p 875 #undef p1a 876 #undef p2 877 #undef p2a 878 #undef p3 879 xo_close_container("tcp-signature"); 880 881 xo_open_container("TCP connection count by state"); 882 xo_emit("{T:/TCP connection count by state}:\n"); 883 for (int i = 0; i < TCP_NSTATES; i++) { 884 /* 885 * XXXGL: is there a way in libxo to use %s 886 * in the "content string" of a format 887 * string? I failed to do that, that's why 888 * a temporary buffer is used to construct 889 * format string for xo_emit(). 890 */ 891 char fmtbuf[80]; 892 893 if (sflag > 1 && tcps_states[i] == 0) 894 continue; 895 snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " 896 "{Np:/connection ,connections} in %s state\n", 897 tcpstates[i], tcpstates[i]); 898 xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); 899 } 900 xo_close_container("TCP connection count by state"); 901 902 xo_close_container("tcp"); 903 } 904 905 /* 906 * Dump UDP statistics structure. 907 */ 908 void 909 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 910 { 911 struct udpstat udpstat; 912 uint64_t delivered; 913 914 #ifdef INET6 915 if (udp_done != 0) 916 return; 917 else 918 udp_done = 1; 919 #endif 920 921 if (fetch_stats("net.inet.udp.stats", off, &udpstat, 922 sizeof(udpstat), kread_counters) != 0) 923 return; 924 925 xo_open_container("udp"); 926 xo_emit("{T:/%s}:\n", name); 927 928 #define p(f, m) if (udpstat.f || sflag <= 1) \ 929 xo_emit("\t" m, (uintmax_t)udpstat.f, plural(udpstat.f)) 930 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 931 xo_emit("\t" m, (uintmax_t)udpstat.f) 932 933 p(udps_ipackets, "{:received-datagrams/%ju} " 934 "{N:/datagram%s received}\n"); 935 p1a(udps_hdrops, "{:dropped-incomplete-headers/%ju} " 936 "{N:/with incomplete header}\n"); 937 p1a(udps_badlen, "{:dropped-bad-data-length/%ju} " 938 "{N:/with bad data length field}\n"); 939 p1a(udps_badsum, "{:dropped-bad-checksum/%ju} " 940 "{N:/with bad checksum}\n"); 941 p1a(udps_nosum, "{:dropped-no-checksum/%ju} " 942 "{N:/with no checksum}\n"); 943 p1a(udps_noport, "{:dropped-no-socket/%ju} " 944 "{N:/dropped due to no socket}\n"); 945 p(udps_noportbcast, "{:dropped-broadcast-multicast/%ju} " 946 "{N:/broadcast\\/multicast datagram%s undelivered}\n"); 947 p1a(udps_fullsock, "{:dropped-full-socket-buffer/%ju} " 948 "{N:/dropped due to full socket buffers}\n"); 949 p1a(udpps_pcbhashmiss, "{:not-for-hashed-pcb/%ju} " 950 "{N:/not for hashed pcb}\n"); 951 delivered = udpstat.udps_ipackets - 952 udpstat.udps_hdrops - 953 udpstat.udps_badlen - 954 udpstat.udps_badsum - 955 udpstat.udps_noport - 956 udpstat.udps_noportbcast - 957 udpstat.udps_fullsock; 958 if (delivered || sflag <= 1) 959 xo_emit("\t{:delivered-packets/%ju} {N:/delivered}\n", 960 (uint64_t)delivered); 961 p(udps_opackets, "{:output-packets/%ju} {N:/datagram%s output}\n"); 962 /* the next statistic is cumulative in udps_noportbcast */ 963 p(udps_filtermcast, "{:multicast-source-filter-matches/%ju} " 964 "{N:/time%s multicast source filter matched}\n"); 965 #undef p 966 #undef p1a 967 xo_close_container("udp"); 968 } 969 970 /* 971 * Dump CARP statistics structure. 972 */ 973 void 974 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 975 { 976 struct carpstats carpstat; 977 978 if (fetch_stats("net.inet.carp.stats", off, &carpstat, 979 sizeof(carpstat), kread_counters) != 0) 980 return; 981 982 xo_open_container(name); 983 xo_emit("{T:/%s}:\n", name); 984 985 #define p(f, m) if (carpstat.f || sflag <= 1) \ 986 xo_emit(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 987 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 988 xo_emit(m, (uintmax_t)carpstat.f) 989 990 p(carps_ipackets, "\t{:received-inet-packets/%ju} " 991 "{N:/packet%s received (IPv4)}\n"); 992 p(carps_ipackets6, "\t{:received-inet6-packets/%ju} " 993 "{N:/packet%s received (IPv6)}\n"); 994 p(carps_badttl, "\t\t{:dropped-wrong-ttl/%ju} " 995 "{N:/packet%s discarded for wrong TTL}\n"); 996 p(carps_hdrops, "\t\t{:dropped-short-header/%ju} " 997 "{N:/packet%s shorter than header}\n"); 998 p(carps_badsum, "\t\t{:dropped-bad-checksum/%ju} " 999 "{N:/discarded for bad checksum%s}\n"); 1000 p(carps_badver, "\t\t{:dropped-bad-version/%ju} " 1001 "{N:/discarded packet%s with a bad version}\n"); 1002 p2(carps_badlen, "\t\t{:dropped-short-packet/%ju} " 1003 "{N:/discarded because packet too short}\n"); 1004 p2(carps_badauth, "\t\t{:dropped-bad-authentication/%ju} " 1005 "{N:/discarded for bad authentication}\n"); 1006 p2(carps_badvhid, "\t\t{:dropped-bad-vhid/%ju} " 1007 "{N:/discarded for bad vhid}\n"); 1008 p2(carps_badaddrs, "\t\t{:dropped-bad-address-list/%ju} " 1009 "{N:/discarded because of a bad address list}\n"); 1010 p(carps_opackets, "\t{:sent-inet-packets/%ju} " 1011 "{N:/packet%s sent (IPv4)}\n"); 1012 p(carps_opackets6, "\t{:sent-inet6-packets/%ju} " 1013 "{N:/packet%s sent (IPv6)}\n"); 1014 p2(carps_onomem, "\t\t{:send-failed-memory-error/%ju} " 1015 "{N:/send failed due to mbuf memory error}\n"); 1016 #if notyet 1017 p(carps_ostates, "\t\t{:send-state-updates/%s} " 1018 "{N:/state update%s sent}\n"); 1019 #endif 1020 #undef p 1021 #undef p2 1022 xo_close_container(name); 1023 } 1024 1025 /* 1026 * Dump IP statistics structure. 1027 */ 1028 void 1029 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1030 { 1031 struct ipstat ipstat; 1032 1033 if (fetch_stats("net.inet.ip.stats", off, &ipstat, 1034 sizeof(ipstat), kread_counters) != 0) 1035 return; 1036 1037 xo_open_container(name); 1038 xo_emit("{T:/%s}:\n", name); 1039 1040 #define p(f, m) if (ipstat.f || sflag <= 1) \ 1041 xo_emit(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 1042 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 1043 xo_emit(m, (uintmax_t )ipstat.f) 1044 1045 p(ips_total, "\t{:received-packets/%ju} " 1046 "{N:/total packet%s received}\n"); 1047 p(ips_badsum, "\t{:dropped-bad-checksum/%ju} " 1048 "{N:/bad header checksum%s}\n"); 1049 p1a(ips_toosmall, "\t{:dropped-below-minimum-size/%ju} " 1050 "{N:/with size smaller than minimum}\n"); 1051 p1a(ips_tooshort, "\t{:dropped-short-packets/%ju} " 1052 "{N:/with data size < data length}\n"); 1053 p1a(ips_toolong, "\t{:dropped-too-long/%ju} " 1054 "{N:/with ip length > max ip packet size}\n"); 1055 p1a(ips_badhlen, "\t{:dropped-short-header-length/%ju} " 1056 "{N:/with header length < data size}\n"); 1057 p1a(ips_badlen, "\t{:dropped-short-data/%ju} " 1058 "{N:/with data length < header length}\n"); 1059 p1a(ips_badoptions, "\t{:dropped-bad-options/%ju} " 1060 "{N:/with bad options}\n"); 1061 p1a(ips_badvers, "\t{:dropped-bad-version/%ju} " 1062 "{N:/with incorrect version number}\n"); 1063 p(ips_fragments, "\t{:received-fragments/%ju} " 1064 "{N:/fragment%s received}\n"); 1065 p(ips_fragdropped, "\t{:dropped-fragments/%ju} " 1066 "{N:/fragment%s dropped (dup or out of space)}\n"); 1067 p(ips_fragtimeout, "\t{:dropped-fragments-after-timeout/%ju} " 1068 "{N:/fragment%s dropped after timeout}\n"); 1069 p(ips_reassembled, "\t{:reassembled-packets/%ju} " 1070 "{N:/packet%s reassembled ok}\n"); 1071 p(ips_delivered, "\t{:received-local-packets/%ju} " 1072 "{N:/packet%s for this host}\n"); 1073 p(ips_noproto, "\t{:dropped-unknown-protocol/%ju} " 1074 "{N:/packet%s for unknown\\/unsupported protocol}\n"); 1075 p(ips_forward, "\t{:forwarded-packets/%ju} " 1076 "{N:/packet%s forwarded}"); 1077 p(ips_fastforward, " ({:fast-forwarded-packets/%ju} " 1078 "{N:/packet%s fast forwarded})"); 1079 if (ipstat.ips_forward || sflag <= 1) 1080 xo_emit("\n"); 1081 p(ips_cantforward, "\t{:packets-cannot-forward/%ju} " 1082 "{N:/packet%s not forwardable}\n"); 1083 p(ips_notmember, "\t{:received-unknown-multicast-group/%ju} " 1084 "{N:/packet%s received for unknown multicast group}\n"); 1085 p(ips_redirectsent, "\t{:redirects-sent/%ju} " 1086 "{N:/redirect%s sent}\n"); 1087 p(ips_localout, "\t{:sent-packets/%ju} " 1088 "{N:/packet%s sent from this host}\n"); 1089 p(ips_rawout, "\t{:send-packets-fabricated-header/%ju} " 1090 "{N:/packet%s sent with fabricated ip header}\n"); 1091 p(ips_odropped, "\t{:discard-no-mbufs/%ju} " 1092 "{N:/output packet%s dropped due to no bufs, etc.}\n"); 1093 p(ips_noroute, "\t{:discard-no-route/%ju} " 1094 "{N:/output packet%s discarded due to no route}\n"); 1095 p(ips_fragmented, "\t{:sent-fragments/%ju} " 1096 "{N:/output datagram%s fragmented}\n"); 1097 p(ips_ofragments, "\t{:fragments-created/%ju} " 1098 "{N:/fragment%s created}\n"); 1099 p(ips_cantfrag, "\t{:discard-cannot-fragment/%ju} " 1100 "{N:/datagram%s that can't be fragmented}\n"); 1101 p(ips_nogif, "\t{:discard-tunnel-no-gif/%ju} " 1102 "{N:/tunneling packet%s that can't find gif}\n"); 1103 p(ips_badaddr, "\t{:discard-bad-address/%ju} " 1104 "{N:/datagram%s with bad address in header}\n"); 1105 #undef p 1106 #undef p1a 1107 xo_close_container(name); 1108 } 1109 1110 /* 1111 * Dump ARP statistics structure. 1112 */ 1113 void 1114 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1115 { 1116 struct arpstat arpstat; 1117 1118 if (fetch_stats("net.link.ether.arp.stats", off, &arpstat, 1119 sizeof(arpstat), kread_counters) != 0) 1120 return; 1121 1122 xo_open_container(name); 1123 xo_emit("{T:/%s}:\n", name); 1124 1125 #define p(f, m) if (arpstat.f || sflag <= 1) \ 1126 xo_emit("\t" m, (uintmax_t)arpstat.f, plural(arpstat.f)) 1127 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 1128 xo_emit("\t" m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 1129 1130 p(txrequests, "{:sent-requests/%ju} {N:/ARP request%s sent}\n"); 1131 p2(txreplies, "{:sent-replies/%ju} {N:/ARP repl%s sent}\n"); 1132 p(rxrequests, "{:received-requests/%ju} " 1133 "{N:/ARP request%s received}\n"); 1134 p2(rxreplies, "{:received-replies/%ju} " 1135 "{N:/ARP repl%s received}\n"); 1136 p(received, "{:received-packers/%ju} " 1137 "{N:/ARP packet%s received}\n"); 1138 p(dropped, "{:dropped-no-entry/%ju} " 1139 "{N:/total packet%s dropped due to no ARP entry}\n"); 1140 p(timeouts, "{:entries-timeout/%ju} " 1141 "{N:/ARP entry%s timed out}\n"); 1142 p(dupips, "{:dropped-duplicate-address/%ju} " 1143 "{N:/Duplicate IP%s seen}\n"); 1144 #undef p 1145 #undef p2 1146 xo_close_container(name); 1147 } 1148 1149 1150 1151 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 1152 "echo reply", /* RFC 792 */ 1153 "#1", 1154 "#2", 1155 "destination unreachable", /* RFC 792 */ 1156 "source quench", /* RFC 792 */ 1157 "routing redirect", /* RFC 792 */ 1158 "#6", 1159 "#7", 1160 "echo", /* RFC 792 */ 1161 "router advertisement", /* RFC 1256 */ 1162 "router solicitation", /* RFC 1256 */ 1163 "time exceeded", /* RFC 792 */ 1164 "parameter problem", /* RFC 792 */ 1165 "time stamp", /* RFC 792 */ 1166 "time stamp reply", /* RFC 792 */ 1167 "information request", /* RFC 792 */ 1168 "information request reply", /* RFC 792 */ 1169 "address mask request", /* RFC 950 */ 1170 "address mask reply", /* RFC 950 */ 1171 "#19", 1172 "#20", 1173 "#21", 1174 "#22", 1175 "#23", 1176 "#24", 1177 "#25", 1178 "#26", 1179 "#27", 1180 "#28", 1181 "#29", 1182 "icmp traceroute", /* RFC 1393 */ 1183 "datagram conversion error", /* RFC 1475 */ 1184 "mobile host redirect", 1185 "IPv6 where-are-you", 1186 "IPv6 i-am-here", 1187 "mobile registration req", 1188 "mobile registration reply", 1189 "domain name request", /* RFC 1788 */ 1190 "domain name reply", /* RFC 1788 */ 1191 "icmp SKIP", 1192 "icmp photuris", /* RFC 2521 */ 1193 }; 1194 1195 /* 1196 * Dump ICMP statistics. 1197 */ 1198 void 1199 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1200 { 1201 struct icmpstat icmpstat; 1202 size_t len; 1203 int i, first; 1204 1205 if (fetch_stats("net.inet.icmp.stats", off, &icmpstat, 1206 sizeof(icmpstat), kread_counters) != 0) 1207 return; 1208 1209 xo_open_container(name); 1210 xo_emit("{T:/%s}:\n", name); 1211 1212 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1213 xo_emit(m, icmpstat.f, plural(icmpstat.f)) 1214 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1215 xo_emit(m, icmpstat.f) 1216 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1217 xo_emit(m, icmpstat.f, plurales(icmpstat.f)) 1218 1219 p(icps_error, "\t{:icmp-calls/%lu} " 1220 "{N:/call%s to icmp_error}\n"); 1221 p(icps_oldicmp, "\t{:errors-not-from-message/%lu} " 1222 "{N:/error%s not generated in response to an icmp message}\n"); 1223 1224 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1225 if (icmpstat.icps_outhist[i] != 0) { 1226 if (first) { 1227 xo_open_list("output-histogram"); 1228 xo_emit("\tOutput histogram:\n"); 1229 first = 0; 1230 } 1231 xo_open_instance("output-histogram"); 1232 if (icmpnames[i] != NULL) 1233 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1234 icmpnames[i], icmpstat.icps_outhist[i]); 1235 else 1236 xo_emit("\t\tunknown ICMP #{k:name/%d}: " 1237 "{:count/%lu}\n", 1238 i, icmpstat.icps_outhist[i]); 1239 xo_close_instance("output-histogram"); 1240 } 1241 } 1242 if (!first) 1243 xo_close_list("output-histogram"); 1244 1245 p(icps_badcode, "\t{:dropped-bad-code/%lu} " 1246 "{N:/message%s with bad code fields}\n"); 1247 p(icps_tooshort, "\t{:dropped-too-short/%lu} " 1248 "{N:/message%s less than the minimum length}\n"); 1249 p(icps_checksum, "\t{:dropped-bad-checksum/%lu} " 1250 "{N:/message%s with bad checksum}\n"); 1251 p(icps_badlen, "\t{:dropped-bad-length/%lu} " 1252 "{N:/message%s with bad length}\n"); 1253 p1a(icps_bmcastecho, "\t{:dropped-multicast-echo/%lu} " 1254 "{N:/multicast echo requests ignored}\n"); 1255 p1a(icps_bmcasttstamp, "\t{:dropped-multicast-timestamp/%lu} " 1256 "{N:/multicast timestamp requests ignored}\n"); 1257 1258 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) { 1259 if (icmpstat.icps_inhist[i] != 0) { 1260 if (first) { 1261 xo_open_list("input-histogram"); 1262 xo_emit("\tInput histogram:\n"); 1263 first = 0; 1264 } 1265 xo_open_instance("input-histogram"); 1266 if (icmpnames[i] != NULL) 1267 xo_emit("\t\t{k:name/%s}: {:count/%lu}\n", 1268 icmpnames[i], 1269 icmpstat.icps_inhist[i]); 1270 else 1271 xo_emit( 1272 "\t\tunknown ICMP #{k:name/%d}: {:count/%lu}\n", 1273 i, icmpstat.icps_inhist[i]); 1274 xo_close_instance("input-histogram"); 1275 } 1276 } 1277 if (!first) 1278 xo_close_list("input-histogram"); 1279 1280 p(icps_reflect, "\t{:sent-packets/%lu} " 1281 "{N:/message response%s generated}\n"); 1282 p2(icps_badaddr, "\t{:discard-invalid-return-address/%lu} " 1283 "{N:/invalid return address%s}\n"); 1284 p(icps_noroute, "\t{:discard-no-route/%lu} " 1285 "{N:/no return route%s}\n"); 1286 #undef p 1287 #undef p1a 1288 #undef p2 1289 if (live) { 1290 len = sizeof i; 1291 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1292 0) 1293 return; 1294 xo_emit("\tICMP address mask responses are " 1295 "{q:icmp-address-responses/%sabled}\n", i ? "en" : "dis"); 1296 } 1297 1298 xo_close_container(name); 1299 } 1300 1301 /* 1302 * Dump IGMP statistics structure. 1303 */ 1304 void 1305 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1306 { 1307 struct igmpstat igmpstat; 1308 1309 if (fetch_stats("net.inet.igmp.stats", 0, &igmpstat, 1310 sizeof(igmpstat), kread) != 0) 1311 return; 1312 1313 if (igmpstat.igps_version != IGPS_VERSION_3) { 1314 xo_warnx("%s: version mismatch (%d != %d)", __func__, 1315 igmpstat.igps_version, IGPS_VERSION_3); 1316 } 1317 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1318 xo_warnx("%s: size mismatch (%d != %d)", __func__, 1319 igmpstat.igps_len, IGPS_VERSION3_LEN); 1320 } 1321 1322 xo_open_container(name); 1323 xo_emit("{T:/%s}:\n", name); 1324 1325 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1326 xo_emit(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1327 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1328 xo_emit(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1329 1330 p64(igps_rcv_total, "\t{:received-messages/%ju} " 1331 "{N:/message%s received}\n"); 1332 p64(igps_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1333 "{N:/message%s received with too few bytes}\n"); 1334 p64(igps_rcv_badttl, "\t{:dropped-wrong-ttl/%ju} " 1335 "{N:/message%s received with wrong TTL}\n"); 1336 p64(igps_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1337 "{N:/message%s received with bad checksum}\n"); 1338 py64(igps_rcv_v1v2_queries, "\t{:received-membership-queries/%ju} " 1339 "{N:/V1\\/V2 membership quer%s received}\n"); 1340 py64(igps_rcv_v3_queries, "\t{:received-v3-membership-queries/%ju} " 1341 "{N:/V3 membership quer%s received}\n"); 1342 py64(igps_rcv_badqueries, "\t{:dropped-membership-queries/%ju} " 1343 "{N:/membership quer%s received with invalid field(s)}\n"); 1344 py64(igps_rcv_gen_queries, "\t{:received-general-queries/%ju} " 1345 "{N:/general quer%s received}\n"); 1346 py64(igps_rcv_group_queries, "\t{:received-group-queries/%ju} " 1347 "{N:/group quer%s received}\n"); 1348 py64(igps_rcv_gsr_queries, "\t{:received-group-source-queries/%ju} " 1349 "{N:/group-source quer%s received}\n"); 1350 py64(igps_drop_gsr_queries, "\t{:dropped-group-source-queries/%ju} " 1351 "{N:/group-source quer%s dropped}\n"); 1352 p64(igps_rcv_reports, "\t{:received-membership-requests/%ju} " 1353 "{N:/membership report%s received}\n"); 1354 p64(igps_rcv_badreports, "\t{:dropped-membership-reports/%ju} " 1355 "{N:/membership report%s received with invalid field(s)}\n"); 1356 p64(igps_rcv_ourreports, "\t" 1357 "{:received-membership-reports-matching/%ju} " 1358 "{N:/membership report%s received for groups to which we belong}" 1359 "\n"); 1360 p64(igps_rcv_nora, "\t{:received-v3-reports-no-router-alert/%ju} " 1361 "{N:/V3 report%s received without Router Alert}\n"); 1362 p64(igps_snd_reports, "\t{:sent-membership-reports/%ju} " 1363 "{N:/membership report%s sent}\n"); 1364 #undef p64 1365 #undef py64 1366 xo_close_container(name); 1367 } 1368 1369 /* 1370 * Dump PIM statistics structure. 1371 */ 1372 void 1373 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1374 int proto __unused) 1375 { 1376 struct pimstat pimstat; 1377 1378 if (fetch_stats("net.inet.pim.stats", off, &pimstat, 1379 sizeof(pimstat), kread_counters) != 0) 1380 return; 1381 1382 xo_open_container(name); 1383 xo_emit("{T:/%s}:\n", name); 1384 1385 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1386 xo_emit(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1387 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1388 xo_emit(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1389 1390 p(pims_rcv_total_msgs, "\t{:received-messages/%ju} " 1391 "{N:/message%s received}\n"); 1392 p(pims_rcv_total_bytes, "\t{:received-bytes/%ju} " 1393 "{N:/byte%s received}\n"); 1394 p(pims_rcv_tooshort, "\t{:dropped-too-short/%ju} " 1395 "{N:/message%s received with too few bytes}\n"); 1396 p(pims_rcv_badsum, "\t{:dropped-bad-checksum/%ju} " 1397 "{N:/message%s received with bad checksum}\n"); 1398 p(pims_rcv_badversion, "\t{:dropped-bad-version/%ju} " 1399 "{N:/message%s received with bad version}\n"); 1400 p(pims_rcv_registers_msgs, "\t{:received-data-register-messages/%ju} " 1401 "{N:/data register message%s received}\n"); 1402 p(pims_rcv_registers_bytes, "\t{:received-data-register-bytes/%ju} " 1403 "{N:/data register byte%s received}\n"); 1404 p(pims_rcv_registers_wrongiif, "\t" 1405 "{:received-data-register-wrong-interface/%ju} " 1406 "{N:/data register message%s received on wrong iif}\n"); 1407 p(pims_rcv_badregisters, "\t{:received-bad-registers/%ju} " 1408 "{N:/bad register%s received}\n"); 1409 p(pims_snd_registers_msgs, "\t{:sent-data-register-messages/%ju} " 1410 "{N:/data register message%s sent}\n"); 1411 p(pims_snd_registers_bytes, "\t{:sent-data-register-bytes/%ju} " 1412 "{N:/data register byte%s sent}\n"); 1413 #undef p 1414 #undef py 1415 xo_close_container(name); 1416 } 1417 1418 /* 1419 * Pretty print an Internet address (net address + port). 1420 */ 1421 void 1422 inetprint(const char *container, struct in_addr *in, int port, 1423 const char *proto, int num_port, const int af1) 1424 { 1425 struct servent *sp = 0; 1426 char line[80], *cp; 1427 int width; 1428 size_t alen, plen; 1429 1430 if (container) 1431 xo_open_container(container); 1432 1433 if (Wflag) 1434 snprintf(line, sizeof(line), "%s.", inetname(in)); 1435 else 1436 snprintf(line, sizeof(line), "%.*s.", 1437 (Aflag && !num_port) ? 12 : 16, inetname(in)); 1438 alen = strlen(line); 1439 cp = line + alen; 1440 if (!num_port && port) 1441 sp = getservbyport((int)port, proto); 1442 if (sp || port == 0) 1443 snprintf(cp, sizeof(line) - alen, 1444 "%.15s ", sp ? sp->s_name : "*"); 1445 else 1446 snprintf(cp, sizeof(line) - alen, 1447 "%d ", ntohs((u_short)port)); 1448 width = (Aflag && !Wflag) ? 18 : 1449 ((!Wflag || af1 == AF_INET) ? 22 : 45); 1450 if (Wflag) 1451 xo_emit("{d:target/%-*s} ", width, line); 1452 else 1453 xo_emit("{d:target/%-*.*s} ", width, width, line); 1454 1455 plen = strlen(cp) - 1; 1456 alen--; 1457 xo_emit("{e:address/%*.*s}{e:port/%*.*s}", alen, alen, line, plen, 1458 plen, cp); 1459 1460 if (container) 1461 xo_close_container(container); 1462 } 1463 1464 /* 1465 * Construct an Internet address representation. 1466 * If numeric_addr has been supplied, give 1467 * numeric value, otherwise try for symbolic name. 1468 */ 1469 char * 1470 inetname(struct in_addr *inp) 1471 { 1472 char *cp; 1473 static char line[MAXHOSTNAMELEN]; 1474 struct hostent *hp; 1475 struct netent *np; 1476 1477 cp = 0; 1478 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1479 int net = inet_netof(*inp); 1480 int lna = inet_lnaof(*inp); 1481 1482 if (lna == INADDR_ANY) { 1483 np = getnetbyaddr(net, AF_INET); 1484 if (np) 1485 cp = np->n_name; 1486 } 1487 if (cp == NULL) { 1488 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1489 if (hp) { 1490 cp = hp->h_name; 1491 trimdomain(cp, strlen(cp)); 1492 } 1493 } 1494 } 1495 if (inp->s_addr == INADDR_ANY) 1496 strcpy(line, "*"); 1497 else if (cp) { 1498 strlcpy(line, cp, sizeof(line)); 1499 } else { 1500 inp->s_addr = ntohl(inp->s_addr); 1501 #define C(x) ((u_int)((x) & 0xff)) 1502 snprintf(line, sizeof(line), "%u.%u.%u.%u", 1503 C(inp->s_addr >> 24), C(inp->s_addr >> 16), 1504 C(inp->s_addr >> 8), C(inp->s_addr)); 1505 } 1506 return (line); 1507 } 1508