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 * 4. 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/tcp_debug.h> 70 #include <netinet/udp.h> 71 #include <netinet/udp_var.h> 72 73 #include <arpa/inet.h> 74 #include <err.h> 75 #include <errno.h> 76 #include <libutil.h> 77 #include <netdb.h> 78 #include <stdint.h> 79 #include <stdio.h> 80 #include <stdlib.h> 81 #include <string.h> 82 #include <unistd.h> 83 #include "netstat.h" 84 85 char *inetname(struct in_addr *); 86 void inetprint(struct in_addr *, int, const char *, int); 87 #ifdef INET6 88 static int udp_done, tcp_done, sdp_done; 89 #endif /* INET6 */ 90 91 static int 92 pcblist_sysctl(int proto, const char *name, char **bufp, int istcp __unused) 93 { 94 const char *mibvar; 95 char *buf; 96 size_t len; 97 98 switch (proto) { 99 case IPPROTO_TCP: 100 mibvar = "net.inet.tcp.pcblist"; 101 break; 102 case IPPROTO_UDP: 103 mibvar = "net.inet.udp.pcblist"; 104 break; 105 case IPPROTO_DIVERT: 106 mibvar = "net.inet.divert.pcblist"; 107 break; 108 default: 109 mibvar = "net.inet.raw.pcblist"; 110 break; 111 } 112 if (strncmp(name, "sdp", 3) == 0) 113 mibvar = "net.inet.sdp.pcblist"; 114 len = 0; 115 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { 116 if (errno != ENOENT) 117 warn("sysctl: %s", mibvar); 118 return (0); 119 } 120 if ((buf = malloc(len)) == 0) { 121 warnx("malloc %lu bytes", (u_long)len); 122 return (0); 123 } 124 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { 125 warn("sysctl: %s", mibvar); 126 free(buf); 127 return (0); 128 } 129 *bufp = buf; 130 return (1); 131 } 132 133 /* 134 * Copied directly from uipc_socket2.c. We leave out some fields that are in 135 * nested structures that aren't used to avoid extra work. 136 */ 137 static void 138 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 139 { 140 xsb->sb_cc = sb->sb_ccc; 141 xsb->sb_hiwat = sb->sb_hiwat; 142 xsb->sb_mbcnt = sb->sb_mbcnt; 143 xsb->sb_mcnt = sb->sb_mcnt; 144 xsb->sb_ccnt = sb->sb_ccnt; 145 xsb->sb_mbmax = sb->sb_mbmax; 146 xsb->sb_lowat = sb->sb_lowat; 147 xsb->sb_flags = sb->sb_flags; 148 xsb->sb_timeo = sb->sb_timeo; 149 } 150 151 int 152 sotoxsocket(struct socket *so, struct xsocket *xso) 153 { 154 struct protosw proto; 155 struct domain domain; 156 157 bzero(xso, sizeof *xso); 158 xso->xso_len = sizeof *xso; 159 xso->xso_so = so; 160 xso->so_type = so->so_type; 161 xso->so_options = so->so_options; 162 xso->so_linger = so->so_linger; 163 xso->so_state = so->so_state; 164 xso->so_pcb = so->so_pcb; 165 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0) 166 return (-1); 167 xso->xso_protocol = proto.pr_protocol; 168 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0) 169 return (-1); 170 xso->xso_family = domain.dom_family; 171 xso->so_qlen = so->so_qlen; 172 xso->so_incqlen = so->so_incqlen; 173 xso->so_qlimit = so->so_qlimit; 174 xso->so_timeo = so->so_timeo; 175 xso->so_error = so->so_error; 176 xso->so_oobmark = so->so_oobmark; 177 sbtoxsockbuf(&so->so_snd, &xso->so_snd); 178 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv); 179 return (0); 180 } 181 182 static int 183 pcblist_kvm(u_long off, char **bufp, int istcp) 184 { 185 struct inpcbinfo pcbinfo; 186 struct inpcbhead listhead; 187 struct inpcb *inp; 188 struct xinpcb xi; 189 struct xinpgen xig; 190 struct xtcpcb xt; 191 struct socket so; 192 struct xsocket *xso; 193 char *buf, *p; 194 size_t len; 195 196 if (off == 0) 197 return (0); 198 kread(off, &pcbinfo, sizeof(pcbinfo)); 199 if (istcp) 200 len = 2 * sizeof(xig) + 201 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 202 sizeof(struct xtcpcb); 203 else 204 len = 2 * sizeof(xig) + 205 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) * 206 sizeof(struct xinpcb); 207 if ((buf = malloc(len)) == 0) { 208 warnx("malloc %lu bytes", (u_long)len); 209 return (0); 210 } 211 p = buf; 212 213 #define COPYOUT(obj, size) do { \ 214 if (len < (size)) { \ 215 warnx("buffer size exceeded"); \ 216 goto fail; \ 217 } \ 218 bcopy((obj), p, (size)); \ 219 len -= (size); \ 220 p += (size); \ 221 } while (0) 222 223 #define KREAD(off, buf, len) do { \ 224 if (kread((uintptr_t)(off), (buf), (len)) != 0) \ 225 goto fail; \ 226 } while (0) 227 228 /* Write out header. */ 229 xig.xig_len = sizeof xig; 230 xig.xig_count = pcbinfo.ipi_count; 231 xig.xig_gen = pcbinfo.ipi_gencnt; 232 xig.xig_sogen = 0; 233 COPYOUT(&xig, sizeof xig); 234 235 /* Walk the PCB list. */ 236 xt.xt_len = sizeof xt; 237 xi.xi_len = sizeof xi; 238 if (istcp) 239 xso = &xt.xt_socket; 240 else 241 xso = &xi.xi_socket; 242 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead)); 243 LIST_FOREACH(inp, &listhead, inp_list) { 244 if (istcp) { 245 KREAD(inp, &xt.xt_inp, sizeof(*inp)); 246 inp = &xt.xt_inp; 247 } else { 248 KREAD(inp, &xi.xi_inp, sizeof(*inp)); 249 inp = &xi.xi_inp; 250 } 251 252 if (inp->inp_gencnt > pcbinfo.ipi_gencnt) 253 continue; 254 255 if (istcp) { 256 if (inp->inp_ppcb == NULL) 257 bzero(&xt.xt_tp, sizeof xt.xt_tp); 258 else if (inp->inp_flags & INP_TIMEWAIT) { 259 bzero(&xt.xt_tp, sizeof xt.xt_tp); 260 xt.xt_tp.t_state = TCPS_TIME_WAIT; 261 } else 262 KREAD(inp->inp_ppcb, &xt.xt_tp, 263 sizeof xt.xt_tp); 264 } 265 if (inp->inp_socket) { 266 KREAD(inp->inp_socket, &so, sizeof(so)); 267 if (sotoxsocket(&so, xso) != 0) 268 goto fail; 269 } else { 270 bzero(xso, sizeof(*xso)); 271 if (istcp) 272 xso->xso_protocol = IPPROTO_TCP; 273 } 274 if (istcp) 275 COPYOUT(&xt, sizeof xt); 276 else 277 COPYOUT(&xi, sizeof xi); 278 } 279 280 /* Reread the pcbinfo and write out the footer. */ 281 kread(off, &pcbinfo, sizeof(pcbinfo)); 282 xig.xig_count = pcbinfo.ipi_count; 283 xig.xig_gen = pcbinfo.ipi_gencnt; 284 COPYOUT(&xig, sizeof xig); 285 286 *bufp = buf; 287 return (1); 288 289 fail: 290 free(buf); 291 return (0); 292 #undef COPYOUT 293 #undef KREAD 294 } 295 296 /* 297 * Print a summary of connections related to an Internet 298 * protocol. For TCP, also give state of connection. 299 * Listening processes (aflag) are suppressed unless the 300 * -a (all) flag is specified. 301 */ 302 void 303 protopr(u_long off, const char *name, int af1, int proto) 304 { 305 int istcp; 306 static int first = 1; 307 char *buf; 308 const char *vchar; 309 struct tcpcb *tp = NULL; 310 struct inpcb *inp; 311 struct xinpgen *xig, *oxig; 312 struct xsocket *so; 313 struct xtcp_timer *timer; 314 315 istcp = 0; 316 switch (proto) { 317 case IPPROTO_TCP: 318 #ifdef INET6 319 if (strncmp(name, "sdp", 3) != 0) { 320 if (tcp_done != 0) 321 return; 322 else 323 tcp_done = 1; 324 } else { 325 if (sdp_done != 0) 326 return; 327 else 328 sdp_done = 1; 329 } 330 #endif 331 istcp = 1; 332 break; 333 case IPPROTO_UDP: 334 #ifdef INET6 335 if (udp_done != 0) 336 return; 337 else 338 udp_done = 1; 339 #endif 340 break; 341 } 342 if (live) { 343 if (!pcblist_sysctl(proto, name, &buf, istcp)) 344 return; 345 } else { 346 if (!pcblist_kvm(off, &buf, istcp)) 347 return; 348 } 349 350 oxig = xig = (struct xinpgen *)buf; 351 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len); 352 xig->xig_len > sizeof(struct xinpgen); 353 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) { 354 if (istcp) { 355 timer = &((struct xtcpcb *)xig)->xt_timer; 356 tp = &((struct xtcpcb *)xig)->xt_tp; 357 inp = &((struct xtcpcb *)xig)->xt_inp; 358 so = &((struct xtcpcb *)xig)->xt_socket; 359 } else { 360 inp = &((struct xinpcb *)xig)->xi_inp; 361 so = &((struct xinpcb *)xig)->xi_socket; 362 timer = NULL; 363 } 364 365 /* Ignore sockets for protocols other than the desired one. */ 366 if (so->xso_protocol != proto) 367 continue; 368 369 /* Ignore PCBs which were freed during copyout. */ 370 if (inp->inp_gencnt > oxig->xig_gen) 371 continue; 372 373 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) 374 #ifdef INET6 375 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) 376 #endif /* INET6 */ 377 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 378 #ifdef INET6 379 && (inp->inp_vflag & INP_IPV6) == 0 380 #endif /* INET6 */ 381 )) 382 ) 383 continue; 384 if (!aflag && 385 ( 386 (istcp && tp->t_state == TCPS_LISTEN) 387 || (af1 == AF_INET && 388 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 389 #ifdef INET6 390 || (af1 == AF_INET6 && 391 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 392 #endif /* INET6 */ 393 || (af1 == AF_UNSPEC && 394 (((inp->inp_vflag & INP_IPV4) != 0 && 395 inet_lnaof(inp->inp_laddr) == INADDR_ANY) 396 #ifdef INET6 397 || ((inp->inp_vflag & INP_IPV6) != 0 && 398 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) 399 #endif 400 )) 401 )) 402 continue; 403 404 if (first) { 405 if (!Lflag) { 406 printf("Active Internet connections"); 407 if (aflag) 408 printf(" (including servers)"); 409 } else 410 printf( 411 "Current listen queue sizes (qlen/incqlen/maxqlen)"); 412 putchar('\n'); 413 if (Aflag) 414 printf("%-*s ", 2 * (int)sizeof(void *), "Tcpcb"); 415 if (Lflag) 416 printf((Aflag && !Wflag) ? 417 "%-5.5s %-14.14s %-18.18s" : 418 "%-5.5s %-14.14s %-22.22s", 419 "Proto", "Listen", "Local Address"); 420 else if (Tflag) 421 printf((Aflag && !Wflag) ? 422 "%-5.5s %-6.6s %-6.6s %-6.6s %-18.18s %s" : 423 "%-5.5s %-6.6s %-6.6s %-6.6s %-22.22s %s", 424 "Proto", "Rexmit", "OOORcv", "0-win", 425 "Local Address", "Foreign Address"); 426 else { 427 printf((Aflag && !Wflag) ? 428 "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s" : 429 "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s", 430 "Proto", "Recv-Q", "Send-Q", 431 "Local Address", "Foreign Address"); 432 if (!xflag && !Rflag) 433 printf(" (state)"); 434 } 435 if (xflag) { 436 printf(" %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s", 437 "R-MBUF", "S-MBUF", "R-CLUS", 438 "S-CLUS", "R-HIWA", "S-HIWA", 439 "R-LOWA", "S-LOWA", "R-BCNT", 440 "S-BCNT", "R-BMAX", "S-BMAX"); 441 printf(" %7.7s %7.7s %7.7s %7.7s %7.7s %7.7s", 442 "rexmt", "persist", "keep", 443 "2msl", "delack", "rcvtime"); 444 } else if (Rflag) { 445 printf (" %8.8s %5.5s", 446 "flowid", "ftype"); 447 } 448 putchar('\n'); 449 first = 0; 450 } 451 if (Lflag && so->so_qlimit == 0) 452 continue; 453 if (Aflag) { 454 if (istcp) 455 printf("%*lx ", 2 * (int)sizeof(void *), (u_long)inp->inp_ppcb); 456 else 457 printf("%*lx ", 2 * (int)sizeof(void *), (u_long)so->so_pcb); 458 } 459 #ifdef INET6 460 if ((inp->inp_vflag & INP_IPV6) != 0) 461 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 462 "46" : "6 "; 463 else 464 #endif 465 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? 466 "4 " : " "; 467 if (istcp && (tp->t_flags & TF_TOE) != 0) 468 printf("%-3.3s%-2.2s ", "toe", vchar); 469 else 470 printf("%-3.3s%-2.2s ", name, vchar); 471 if (Lflag) { 472 char buf1[15]; 473 474 snprintf(buf1, 15, "%d/%d/%d", so->so_qlen, 475 so->so_incqlen, so->so_qlimit); 476 printf("%-14.14s ", buf1); 477 } else if (Tflag) { 478 if (istcp) 479 printf("%6u %6u %6u ", tp->t_sndrexmitpack, 480 tp->t_rcvoopack, tp->t_sndzerowin); 481 } else { 482 printf("%6u %6u ", 483 so->so_rcv.sb_cc, so->so_snd.sb_cc); 484 } 485 if (numeric_port) { 486 if (inp->inp_vflag & INP_IPV4) { 487 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 488 name, 1); 489 if (!Lflag) 490 inetprint(&inp->inp_faddr, 491 (int)inp->inp_fport, name, 1); 492 } 493 #ifdef INET6 494 else if (inp->inp_vflag & INP_IPV6) { 495 inet6print(&inp->in6p_laddr, 496 (int)inp->inp_lport, name, 1); 497 if (!Lflag) 498 inet6print(&inp->in6p_faddr, 499 (int)inp->inp_fport, name, 1); 500 } /* else nothing printed now */ 501 #endif /* INET6 */ 502 } else if (inp->inp_flags & INP_ANONPORT) { 503 if (inp->inp_vflag & INP_IPV4) { 504 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 505 name, 1); 506 if (!Lflag) 507 inetprint(&inp->inp_faddr, 508 (int)inp->inp_fport, name, 0); 509 } 510 #ifdef INET6 511 else if (inp->inp_vflag & INP_IPV6) { 512 inet6print(&inp->in6p_laddr, 513 (int)inp->inp_lport, name, 1); 514 if (!Lflag) 515 inet6print(&inp->in6p_faddr, 516 (int)inp->inp_fport, name, 0); 517 } /* else nothing printed now */ 518 #endif /* INET6 */ 519 } else { 520 if (inp->inp_vflag & INP_IPV4) { 521 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 522 name, 0); 523 if (!Lflag) 524 inetprint(&inp->inp_faddr, 525 (int)inp->inp_fport, name, 526 inp->inp_lport != inp->inp_fport); 527 } 528 #ifdef INET6 529 else if (inp->inp_vflag & INP_IPV6) { 530 inet6print(&inp->in6p_laddr, 531 (int)inp->inp_lport, name, 0); 532 if (!Lflag) 533 inet6print(&inp->in6p_faddr, 534 (int)inp->inp_fport, name, 535 inp->inp_lport != inp->inp_fport); 536 } /* else nothing printed now */ 537 #endif /* INET6 */ 538 } 539 if (xflag) { 540 printf("%6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u", 541 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 542 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 543 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 544 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 545 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 546 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 547 if (timer != NULL) 548 printf(" %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d", 549 timer->tt_rexmt / 1000, (timer->tt_rexmt % 1000) / 10, 550 timer->tt_persist / 1000, (timer->tt_persist % 1000) / 10, 551 timer->tt_keep / 1000, (timer->tt_keep % 1000) / 10, 552 timer->tt_2msl / 1000, (timer->tt_2msl % 1000) / 10, 553 timer->tt_delack / 1000, (timer->tt_delack % 1000) / 10, 554 timer->t_rcvtime / 1000, (timer->t_rcvtime % 1000) / 10); 555 } 556 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 557 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 558 printf("%d", tp->t_state); 559 else { 560 printf("%s", tcpstates[tp->t_state]); 561 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 562 /* Show T/TCP `hidden state' */ 563 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 564 putchar('*'); 565 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 566 } 567 } 568 if (Rflag) { 569 printf(" %08x %5d", 570 inp->inp_flowid, 571 inp->inp_flowtype); 572 } 573 putchar('\n'); 574 } 575 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 576 if (oxig->xig_count > xig->xig_count) { 577 printf("Some %s sockets may have been deleted.\n", 578 name); 579 } else if (oxig->xig_count < xig->xig_count) { 580 printf("Some %s sockets may have been created.\n", 581 name); 582 } else { 583 printf( 584 "Some %s sockets may have been created or deleted.\n", 585 name); 586 } 587 } 588 free(buf); 589 } 590 591 /* 592 * Dump TCP statistics structure. 593 */ 594 void 595 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 596 { 597 struct tcpstat tcpstat, zerostat; 598 size_t len = sizeof tcpstat; 599 600 #ifdef INET6 601 if (tcp_done != 0) 602 return; 603 else 604 tcp_done = 1; 605 #endif 606 607 if (live) { 608 if (zflag) 609 memset(&zerostat, 0, len); 610 if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 611 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 612 warn("sysctl: net.inet.tcp.stats"); 613 return; 614 } 615 } else 616 kread_counters(off, &tcpstat, len); 617 618 printf ("%s:\n", name); 619 620 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 621 printf(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 622 623 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 624 printf(m, (uintmax_t )tcpstat.f) 625 626 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 627 printf(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 628 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 629 630 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 631 printf(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 632 (uintmax_t )tcpstat.f2) 633 634 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 635 printf(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 636 637 p(tcps_sndtotal, "\t%ju packet%s sent\n"); 638 p2(tcps_sndpack,tcps_sndbyte, "\t\t%ju data packet%s (%ju byte%s)\n"); 639 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, 640 "\t\t%ju data packet%s (%ju byte%s) retransmitted\n"); 641 p(tcps_sndrexmitbad, 642 "\t\t%ju data packet%s unnecessarily retransmitted\n"); 643 p(tcps_mturesent, "\t\t%ju resend%s initiated by MTU discovery\n"); 644 p2a(tcps_sndacks, tcps_delack, 645 "\t\t%ju ack-only packet%s (%ju delayed)\n"); 646 p(tcps_sndurg, "\t\t%ju URG only packet%s\n"); 647 p(tcps_sndprobe, "\t\t%ju window probe packet%s\n"); 648 p(tcps_sndwinup, "\t\t%ju window update packet%s\n"); 649 p(tcps_sndctrl, "\t\t%ju control packet%s\n"); 650 p(tcps_rcvtotal, "\t%ju packet%s received\n"); 651 p2(tcps_rcvackpack, tcps_rcvackbyte, 652 "\t\t%ju ack%s (for %ju byte%s)\n"); 653 p(tcps_rcvdupack, "\t\t%ju duplicate ack%s\n"); 654 p(tcps_rcvacktoomuch, "\t\t%ju ack%s for unsent data\n"); 655 p2(tcps_rcvpack, tcps_rcvbyte, 656 "\t\t%ju packet%s (%ju byte%s) received in-sequence\n"); 657 p2(tcps_rcvduppack, tcps_rcvdupbyte, 658 "\t\t%ju completely duplicate packet%s (%ju byte%s)\n"); 659 p(tcps_pawsdrop, "\t\t%ju old duplicate packet%s\n"); 660 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, 661 "\t\t%ju packet%s with some dup. data (%ju byte%s duped)\n"); 662 p2(tcps_rcvoopack, tcps_rcvoobyte, 663 "\t\t%ju out-of-order packet%s (%ju byte%s)\n"); 664 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, 665 "\t\t%ju packet%s (%ju byte%s) of data after window\n"); 666 p(tcps_rcvwinprobe, "\t\t%ju window probe%s\n"); 667 p(tcps_rcvwinupd, "\t\t%ju window update packet%s\n"); 668 p(tcps_rcvafterclose, "\t\t%ju packet%s received after close\n"); 669 p(tcps_rcvbadsum, "\t\t%ju discarded for bad checksum%s\n"); 670 p(tcps_rcvbadoff, "\t\t%ju discarded for bad header offset field%s\n"); 671 p1a(tcps_rcvshort, "\t\t%ju discarded because packet too short\n"); 672 p1a(tcps_rcvreassfull, 673 "\t\t%ju discarded due to no space in reassembly queue\n"); 674 p(tcps_connattempt, "\t%ju connection request%s\n"); 675 p(tcps_accepts, "\t%ju connection accept%s\n"); 676 p(tcps_badsyn, "\t%ju bad connection attempt%s\n"); 677 p(tcps_listendrop, "\t%ju listen queue overflow%s\n"); 678 p(tcps_badrst, "\t%ju ignored RSTs in the window%s\n"); 679 p(tcps_connects, "\t%ju connection%s established (including accepts)\n"); 680 p2(tcps_closed, tcps_drops, 681 "\t%ju connection%s closed (including %ju drop%s)\n"); 682 p(tcps_cachedrtt, "\t\t%ju connection%s updated cached RTT on close\n"); 683 p(tcps_cachedrttvar, 684 "\t\t%ju connection%s updated cached RTT variance on close\n"); 685 p(tcps_cachedssthresh, 686 "\t\t%ju connection%s updated cached ssthresh on close\n"); 687 p(tcps_conndrops, "\t%ju embryonic connection%s dropped\n"); 688 p2(tcps_rttupdated, tcps_segstimed, 689 "\t%ju segment%s updated rtt (of %ju attempt%s)\n"); 690 p(tcps_rexmttimeo, "\t%ju retransmit timeout%s\n"); 691 p(tcps_timeoutdrop, "\t\t%ju connection%s dropped by rexmit timeout\n"); 692 p(tcps_persisttimeo, "\t%ju persist timeout%s\n"); 693 p(tcps_persistdrop, "\t\t%ju connection%s dropped by persist timeout\n"); 694 p(tcps_finwait2_drops, 695 "\t%ju Connection%s (fin_wait_2) dropped because of timeout\n"); 696 p(tcps_keeptimeo, "\t%ju keepalive timeout%s\n"); 697 p(tcps_keepprobe, "\t\t%ju keepalive probe%s sent\n"); 698 p(tcps_keepdrops, "\t\t%ju connection%s dropped by keepalive\n"); 699 p(tcps_predack, "\t%ju correct ACK header prediction%s\n"); 700 p(tcps_preddat, "\t%ju correct data packet header prediction%s\n"); 701 702 p3(tcps_sc_added, "\t%ju syncache entr%s added\n"); 703 p1a(tcps_sc_retransmitted, "\t\t%ju retransmitted\n"); 704 p1a(tcps_sc_dupsyn, "\t\t%ju dupsyn\n"); 705 p1a(tcps_sc_dropped, "\t\t%ju dropped\n"); 706 p1a(tcps_sc_completed, "\t\t%ju completed\n"); 707 p1a(tcps_sc_bucketoverflow, "\t\t%ju bucket overflow\n"); 708 p1a(tcps_sc_cacheoverflow, "\t\t%ju cache overflow\n"); 709 p1a(tcps_sc_reset, "\t\t%ju reset\n"); 710 p1a(tcps_sc_stale, "\t\t%ju stale\n"); 711 p1a(tcps_sc_aborted, "\t\t%ju aborted\n"); 712 p1a(tcps_sc_badack, "\t\t%ju badack\n"); 713 p1a(tcps_sc_unreach, "\t\t%ju unreach\n"); 714 p(tcps_sc_zonefail, "\t\t%ju zone failure%s\n"); 715 p(tcps_sc_sendcookie, "\t%ju cookie%s sent\n"); 716 p(tcps_sc_recvcookie, "\t%ju cookie%s received\n"); 717 718 p3(tcps_hc_added, "\t%ju hostcache entr%s added\n"); 719 p1a(tcps_hc_bucketoverflow, "\t\t%ju bucket overflow\n"); 720 721 p(tcps_sack_recovery_episode, "\t%ju SACK recovery episode%s\n"); 722 p(tcps_sack_rexmits, 723 "\t%ju segment rexmit%s in SACK recovery episodes\n"); 724 p(tcps_sack_rexmit_bytes, 725 "\t%ju byte rexmit%s in SACK recovery episodes\n"); 726 p(tcps_sack_rcv_blocks, 727 "\t%ju SACK option%s (SACK blocks) received\n"); 728 p(tcps_sack_send_blocks, "\t%ju SACK option%s (SACK blocks) sent\n"); 729 p1a(tcps_sack_sboverflow, "\t%ju SACK scoreboard overflow\n"); 730 731 p(tcps_ecn_ce, "\t%ju packet%s with ECN CE bit set\n"); 732 p(tcps_ecn_ect0, "\t%ju packet%s with ECN ECT(0) bit set\n"); 733 p(tcps_ecn_ect1, "\t%ju packet%s with ECN ECT(1) bit set\n"); 734 p(tcps_ecn_shs, "\t%ju successful ECN handshake%s\n"); 735 p(tcps_ecn_rcwnd, "\t%ju time%s ECN reduced the congestion window\n"); 736 737 p(tcps_sig_rcvgoodsig, 738 "\t%ju packet%s with valid tcp-md5 signature received\n"); 739 p(tcps_sig_rcvbadsig, 740 "\t%ju packet%s with invalid tcp-md5 signature received\n"); 741 p(tcps_sig_err_buildsig, 742 "\t%ju packet%s with tcp-md5 signature mismatch\n"); 743 p(tcps_sig_err_sigopt, 744 "\t%ju packet%s with unexpected tcp-md5 signature received\n"); 745 p(tcps_sig_err_nosigopt, 746 "\t%ju packet%s without expected tcp-md5 signature received\n"); 747 #undef p 748 #undef p1a 749 #undef p2 750 #undef p2a 751 #undef p3 752 } 753 754 /* 755 * Dump UDP statistics structure. 756 */ 757 void 758 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 759 { 760 struct udpstat udpstat, zerostat; 761 size_t len = sizeof udpstat; 762 uint64_t delivered; 763 764 #ifdef INET6 765 if (udp_done != 0) 766 return; 767 else 768 udp_done = 1; 769 #endif 770 771 if (live) { 772 if (zflag) 773 memset(&zerostat, 0, len); 774 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len, 775 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 776 warn("sysctl: net.inet.udp.stats"); 777 return; 778 } 779 } else 780 kread_counters(off, &udpstat, len); 781 782 printf("%s:\n", name); 783 #define p(f, m) if (udpstat.f || sflag <= 1) \ 784 printf("\t%ju " m, (uintmax_t)udpstat.f, plural(udpstat.f)) 785 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 786 printf("\t%ju " m, (uintmax_t)udpstat.f) 787 p(udps_ipackets, "datagram%s received\n"); 788 p1a(udps_hdrops, "with incomplete header\n"); 789 p1a(udps_badlen, "with bad data length field\n"); 790 p1a(udps_badsum, "with bad checksum\n"); 791 p1a(udps_nosum, "with no checksum\n"); 792 p1a(udps_noport, "dropped due to no socket\n"); 793 p(udps_noportbcast, 794 "broadcast/multicast datagram%s undelivered\n"); 795 p1a(udps_fullsock, "dropped due to full socket buffers\n"); 796 p1a(udpps_pcbhashmiss, "not for hashed pcb\n"); 797 delivered = udpstat.udps_ipackets - 798 udpstat.udps_hdrops - 799 udpstat.udps_badlen - 800 udpstat.udps_badsum - 801 udpstat.udps_noport - 802 udpstat.udps_noportbcast - 803 udpstat.udps_fullsock; 804 if (delivered || sflag <= 1) 805 printf("\t%ju delivered\n", (uint64_t)delivered); 806 p(udps_opackets, "datagram%s output\n"); 807 /* the next statistic is cumulative in udps_noportbcast */ 808 p(udps_filtermcast, 809 "time%s multicast source filter matched\n"); 810 #undef p 811 #undef p1a 812 } 813 814 /* 815 * Dump CARP statistics structure. 816 */ 817 void 818 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 819 { 820 struct carpstats carpstat, zerostat; 821 size_t len = sizeof(struct carpstats); 822 823 if (live) { 824 if (zflag) 825 memset(&zerostat, 0, len); 826 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len, 827 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 828 if (errno != ENOENT) 829 warn("sysctl: net.inet.carp.stats"); 830 return; 831 } 832 } else { 833 if (off == 0) 834 return; 835 kread_counters(off, &carpstat, len); 836 } 837 838 printf("%s:\n", name); 839 840 #define p(f, m) if (carpstat.f || sflag <= 1) \ 841 printf(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 842 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 843 printf(m, (uintmax_t)carpstat.f) 844 845 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n"); 846 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n"); 847 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n"); 848 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n"); 849 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n"); 850 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n"); 851 p2(carps_badlen, "\t\t%ju discarded because packet too short\n"); 852 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n"); 853 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n"); 854 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n"); 855 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n"); 856 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n"); 857 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n"); 858 #if notyet 859 p(carps_ostates, "\t\t%s state update%s sent\n"); 860 #endif 861 #undef p 862 #undef p2 863 } 864 865 /* 866 * Dump IP statistics structure. 867 */ 868 void 869 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 870 { 871 struct ipstat ipstat, zerostat; 872 size_t len = sizeof ipstat; 873 874 if (live) { 875 if (zflag) 876 memset(&zerostat, 0, len); 877 if (sysctlbyname("net.inet.ip.stats", &ipstat, &len, 878 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 879 warn("sysctl: net.inet.ip.stats"); 880 return; 881 } 882 } else 883 kread_counters(off, &ipstat, len); 884 885 printf("%s:\n", name); 886 887 #define p(f, m) if (ipstat.f || sflag <= 1) \ 888 printf(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 889 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 890 printf(m, (uintmax_t )ipstat.f) 891 892 p(ips_total, "\t%ju total packet%s received\n"); 893 p(ips_badsum, "\t%ju bad header checksum%s\n"); 894 p1a(ips_toosmall, "\t%ju with size smaller than minimum\n"); 895 p1a(ips_tooshort, "\t%ju with data size < data length\n"); 896 p1a(ips_toolong, "\t%ju with ip length > max ip packet size\n"); 897 p1a(ips_badhlen, "\t%ju with header length < data size\n"); 898 p1a(ips_badlen, "\t%ju with data length < header length\n"); 899 p1a(ips_badoptions, "\t%ju with bad options\n"); 900 p1a(ips_badvers, "\t%ju with incorrect version number\n"); 901 p(ips_fragments, "\t%ju fragment%s received\n"); 902 p(ips_fragdropped, "\t%ju fragment%s dropped (dup or out of space)\n"); 903 p(ips_fragtimeout, "\t%ju fragment%s dropped after timeout\n"); 904 p(ips_reassembled, "\t%ju packet%s reassembled ok\n"); 905 p(ips_delivered, "\t%ju packet%s for this host\n"); 906 p(ips_noproto, "\t%ju packet%s for unknown/unsupported protocol\n"); 907 p(ips_forward, "\t%ju packet%s forwarded"); 908 p(ips_fastforward, " (%ju packet%s fast forwarded)"); 909 if (ipstat.ips_forward || sflag <= 1) 910 putchar('\n'); 911 p(ips_cantforward, "\t%ju packet%s not forwardable\n"); 912 p(ips_notmember, 913 "\t%ju packet%s received for unknown multicast group\n"); 914 p(ips_redirectsent, "\t%ju redirect%s sent\n"); 915 p(ips_localout, "\t%ju packet%s sent from this host\n"); 916 p(ips_rawout, "\t%ju packet%s sent with fabricated ip header\n"); 917 p(ips_odropped, 918 "\t%ju output packet%s dropped due to no bufs, etc.\n"); 919 p(ips_noroute, "\t%ju output packet%s discarded due to no route\n"); 920 p(ips_fragmented, "\t%ju output datagram%s fragmented\n"); 921 p(ips_ofragments, "\t%ju fragment%s created\n"); 922 p(ips_cantfrag, "\t%ju datagram%s that can't be fragmented\n"); 923 p(ips_nogif, "\t%ju tunneling packet%s that can't find gif\n"); 924 p(ips_badaddr, "\t%ju datagram%s with bad address in header\n"); 925 #undef p 926 #undef p1a 927 } 928 929 /* 930 * Dump ARP statistics structure. 931 */ 932 void 933 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 934 { 935 struct arpstat arpstat, zerostat; 936 size_t len = sizeof(arpstat); 937 938 if (live) { 939 if (zflag) 940 memset(&zerostat, 0, len); 941 if (sysctlbyname("net.link.ether.arp.stats", &arpstat, &len, 942 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 943 warn("sysctl: net.link.ether.arp.stats"); 944 return; 945 } 946 } else 947 kread_counters(off, &arpstat, len); 948 949 printf("%s:\n", name); 950 951 #define p(f, m) if (arpstat.f || sflag <= 1) \ 952 printf("\t%ju " m, (uintmax_t)arpstat.f, plural(arpstat.f)) 953 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 954 printf("\t%ju " m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 955 956 p(txrequests, "ARP request%s sent\n"); 957 p2(txreplies, "ARP repl%s sent\n"); 958 p(rxrequests, "ARP request%s received\n"); 959 p2(rxreplies, "ARP repl%s received\n"); 960 p(received, "ARP packet%s received\n"); 961 p(dropped, "total packet%s dropped due to no ARP entry\n"); 962 p(timeouts, "ARP entry%s timed out\n"); 963 p(dupips, "Duplicate IP%s seen\n"); 964 #undef p 965 #undef p2 966 } 967 968 969 970 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 971 "echo reply", /* RFC 792 */ 972 "#1", 973 "#2", 974 "destination unreachable", /* RFC 792 */ 975 "source quench", /* RFC 792 */ 976 "routing redirect", /* RFC 792 */ 977 "#6", 978 "#7", 979 "echo", /* RFC 792 */ 980 "router advertisement", /* RFC 1256 */ 981 "router solicitation", /* RFC 1256 */ 982 "time exceeded", /* RFC 792 */ 983 "parameter problem", /* RFC 792 */ 984 "time stamp", /* RFC 792 */ 985 "time stamp reply", /* RFC 792 */ 986 "information request", /* RFC 792 */ 987 "information request reply", /* RFC 792 */ 988 "address mask request", /* RFC 950 */ 989 "address mask reply", /* RFC 950 */ 990 "#19", 991 "#20", 992 "#21", 993 "#22", 994 "#23", 995 "#24", 996 "#25", 997 "#26", 998 "#27", 999 "#28", 1000 "#29", 1001 "icmp traceroute", /* RFC 1393 */ 1002 "datagram conversion error", /* RFC 1475 */ 1003 "mobile host redirect", 1004 "IPv6 where-are-you", 1005 "IPv6 i-am-here", 1006 "mobile registration req", 1007 "mobile registration reply", 1008 "domain name request", /* RFC 1788 */ 1009 "domain name reply", /* RFC 1788 */ 1010 "icmp SKIP", 1011 "icmp photuris", /* RFC 2521 */ 1012 }; 1013 1014 /* 1015 * Dump ICMP statistics. 1016 */ 1017 void 1018 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1019 { 1020 struct icmpstat icmpstat, zerostat; 1021 int i, first; 1022 size_t len; 1023 1024 len = sizeof icmpstat; 1025 if (live) { 1026 if (zflag) 1027 memset(&zerostat, 0, len); 1028 if (sysctlbyname("net.inet.icmp.stats", &icmpstat, &len, 1029 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1030 warn("sysctl: net.inet.icmp.stats"); 1031 return; 1032 } 1033 } else 1034 kread_counters(off, &icmpstat, len); 1035 1036 printf("%s:\n", name); 1037 1038 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1039 printf(m, icmpstat.f, plural(icmpstat.f)) 1040 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1041 printf(m, icmpstat.f) 1042 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1043 printf(m, icmpstat.f, plurales(icmpstat.f)) 1044 1045 p(icps_error, "\t%lu call%s to icmp_error\n"); 1046 p(icps_oldicmp, 1047 "\t%lu error%s not generated in response to an icmp message\n"); 1048 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 1049 if (icmpstat.icps_outhist[i] != 0) { 1050 if (first) { 1051 printf("\tOutput histogram:\n"); 1052 first = 0; 1053 } 1054 if (icmpnames[i] != NULL) 1055 printf("\t\t%s: %lu\n", icmpnames[i], 1056 icmpstat.icps_outhist[i]); 1057 else 1058 printf("\t\tunknown ICMP #%d: %lu\n", i, 1059 icmpstat.icps_outhist[i]); 1060 } 1061 p(icps_badcode, "\t%lu message%s with bad code fields\n"); 1062 p(icps_tooshort, "\t%lu message%s less than the minimum length\n"); 1063 p(icps_checksum, "\t%lu message%s with bad checksum\n"); 1064 p(icps_badlen, "\t%lu message%s with bad length\n"); 1065 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n"); 1066 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n"); 1067 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 1068 if (icmpstat.icps_inhist[i] != 0) { 1069 if (first) { 1070 printf("\tInput histogram:\n"); 1071 first = 0; 1072 } 1073 if (icmpnames[i] != NULL) 1074 printf("\t\t%s: %lu\n", icmpnames[i], 1075 icmpstat.icps_inhist[i]); 1076 else 1077 printf("\t\tunknown ICMP #%d: %lu\n", i, 1078 icmpstat.icps_inhist[i]); 1079 } 1080 p(icps_reflect, "\t%lu message response%s generated\n"); 1081 p2(icps_badaddr, "\t%lu invalid return address%s\n"); 1082 p(icps_noroute, "\t%lu no return route%s\n"); 1083 #undef p 1084 #undef p1a 1085 #undef p2 1086 if (live) { 1087 len = sizeof i; 1088 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1089 0) 1090 return; 1091 printf("\tICMP address mask responses are %sabled\n", 1092 i ? "en" : "dis"); 1093 } 1094 } 1095 1096 #ifndef BURN_BRIDGES 1097 /* 1098 * Dump IGMP statistics structure (pre 8.x kernel). 1099 */ 1100 static void 1101 igmp_stats_live_old(const char *name) 1102 { 1103 struct oigmpstat oigmpstat, zerostat; 1104 size_t len = sizeof(oigmpstat); 1105 1106 if (zflag) 1107 memset(&zerostat, 0, len); 1108 if (sysctlbyname("net.inet.igmp.stats", &oigmpstat, &len, 1109 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1110 warn("sysctl: net.inet.igmp.stats"); 1111 return; 1112 } 1113 1114 printf("%s:\n", name); 1115 1116 #define p(f, m) if (oigmpstat.f || sflag <= 1) \ 1117 printf(m, oigmpstat.f, plural(oigmpstat.f)) 1118 #define py(f, m) if (oigmpstat.f || sflag <= 1) \ 1119 printf(m, oigmpstat.f, oigmpstat.f != 1 ? "ies" : "y") 1120 p(igps_rcv_total, "\t%u message%s received\n"); 1121 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n"); 1122 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n"); 1123 py(igps_rcv_queries, "\t%u membership quer%s received\n"); 1124 py(igps_rcv_badqueries, 1125 "\t%u membership quer%s received with invalid field(s)\n"); 1126 p(igps_rcv_reports, "\t%u membership report%s received\n"); 1127 p(igps_rcv_badreports, 1128 "\t%u membership report%s received with invalid field(s)\n"); 1129 p(igps_rcv_ourreports, 1130 "\t%u membership report%s received for groups to which we belong\n"); 1131 p(igps_snd_reports, "\t%u membership report%s sent\n"); 1132 #undef p 1133 #undef py 1134 } 1135 #endif /* !BURN_BRIDGES */ 1136 1137 /* 1138 * Dump IGMP statistics structure. 1139 */ 1140 void 1141 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1142 { 1143 struct igmpstat igmpstat, zerostat; 1144 size_t len; 1145 1146 #ifndef BURN_BRIDGES 1147 if (live) { 1148 /* 1149 * Detect if we are being run against a pre-IGMPv3 kernel. 1150 * We cannot do this for a core file as the legacy 1151 * struct igmpstat has no size field, nor does it 1152 * export it in any readily-available symbols. 1153 */ 1154 len = 0; 1155 if (sysctlbyname("net.inet.igmp.stats", NULL, &len, NULL, 1156 0) < 0) { 1157 warn("sysctl: net.inet.igmp.stats"); 1158 return; 1159 } 1160 if (len < sizeof(igmpstat)) { 1161 igmp_stats_live_old(name); 1162 return; 1163 } 1164 } 1165 #endif /* !BURN_BRIDGES */ 1166 1167 len = sizeof(igmpstat); 1168 if (live) { 1169 if (zflag) 1170 memset(&zerostat, 0, len); 1171 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, 1172 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1173 warn("sysctl: net.inet.igmp.stats"); 1174 return; 1175 } 1176 } else { 1177 len = sizeof(igmpstat); 1178 kread(off, &igmpstat, len); 1179 } 1180 1181 if (igmpstat.igps_version != IGPS_VERSION_3) { 1182 warnx("%s: version mismatch (%d != %d)", __func__, 1183 igmpstat.igps_version, IGPS_VERSION_3); 1184 } 1185 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1186 warnx("%s: size mismatch (%d != %d)", __func__, 1187 igmpstat.igps_len, IGPS_VERSION3_LEN); 1188 } 1189 1190 printf("%s:\n", name); 1191 1192 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1193 printf(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1194 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1195 printf(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1196 p64(igps_rcv_total, "\t%ju message%s received\n"); 1197 p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1198 p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n"); 1199 p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1200 py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n"); 1201 py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n"); 1202 py64(igps_rcv_badqueries, 1203 "\t%ju membership quer%s received with invalid field(s)\n"); 1204 py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n"); 1205 py64(igps_rcv_group_queries, "\t%ju group quer%s received\n"); 1206 py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n"); 1207 py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n"); 1208 p64(igps_rcv_reports, "\t%ju membership report%s received\n"); 1209 p64(igps_rcv_badreports, 1210 "\t%ju membership report%s received with invalid field(s)\n"); 1211 p64(igps_rcv_ourreports, 1212 "\t%ju membership report%s received for groups to which we belong\n"); 1213 p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n"); 1214 p64(igps_snd_reports, "\t%ju membership report%s sent\n"); 1215 #undef p64 1216 #undef py64 1217 } 1218 1219 /* 1220 * Dump PIM statistics structure. 1221 */ 1222 void 1223 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1224 int proto __unused) 1225 { 1226 struct pimstat pimstat, zerostat; 1227 size_t len = sizeof pimstat; 1228 1229 if (live) { 1230 if (zflag) 1231 memset(&zerostat, 0, len); 1232 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len, 1233 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1234 if (errno != ENOENT) 1235 warn("sysctl: net.inet.pim.stats"); 1236 return; 1237 } 1238 } else { 1239 if (off == 0) 1240 return; 1241 kread_counters(off, &pimstat, len); 1242 } 1243 1244 printf("%s:\n", name); 1245 1246 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1247 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1248 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1249 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1250 p(pims_rcv_total_msgs, "\t%ju message%s received\n"); 1251 p(pims_rcv_total_bytes, "\t%ju byte%s received\n"); 1252 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1253 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1254 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n"); 1255 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n"); 1256 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n"); 1257 p(pims_rcv_registers_wrongiif, 1258 "\t%ju data register message%s received on wrong iif\n"); 1259 p(pims_rcv_badregisters, "\t%ju bad register%s received\n"); 1260 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n"); 1261 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n"); 1262 #undef p 1263 #undef py 1264 } 1265 1266 /* 1267 * Pretty print an Internet address (net address + port). 1268 */ 1269 void 1270 inetprint(struct in_addr *in, int port, const char *proto, int num_port) 1271 { 1272 struct servent *sp = 0; 1273 char line[80], *cp; 1274 int width; 1275 1276 if (Wflag) 1277 sprintf(line, "%s.", inetname(in)); 1278 else 1279 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in)); 1280 cp = strchr(line, '\0'); 1281 if (!num_port && port) 1282 sp = getservbyport((int)port, proto); 1283 if (sp || port == 0) 1284 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 1285 else 1286 sprintf(cp, "%d ", ntohs((u_short)port)); 1287 width = (Aflag && !Wflag) ? 18 : 22; 1288 if (Wflag) 1289 printf("%-*s ", width, line); 1290 else 1291 printf("%-*.*s ", width, width, line); 1292 } 1293 1294 /* 1295 * Construct an Internet address representation. 1296 * If numeric_addr has been supplied, give 1297 * numeric value, otherwise try for symbolic name. 1298 */ 1299 char * 1300 inetname(struct in_addr *inp) 1301 { 1302 char *cp; 1303 static char line[MAXHOSTNAMELEN]; 1304 struct hostent *hp; 1305 struct netent *np; 1306 1307 cp = 0; 1308 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1309 int net = inet_netof(*inp); 1310 int lna = inet_lnaof(*inp); 1311 1312 if (lna == INADDR_ANY) { 1313 np = getnetbyaddr(net, AF_INET); 1314 if (np) 1315 cp = np->n_name; 1316 } 1317 if (cp == 0) { 1318 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1319 if (hp) { 1320 cp = hp->h_name; 1321 trimdomain(cp, strlen(cp)); 1322 } 1323 } 1324 } 1325 if (inp->s_addr == INADDR_ANY) 1326 strcpy(line, "*"); 1327 else if (cp) { 1328 strlcpy(line, cp, sizeof(line)); 1329 } else { 1330 inp->s_addr = ntohl(inp->s_addr); 1331 #define C(x) ((u_int)((x) & 0xff)) 1332 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 1333 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 1334 } 1335 return (line); 1336 } 1337