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_cc; 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 ", so->so_rcv.sb_cc, so->so_snd.sb_cc); 483 } 484 if (numeric_port) { 485 if (inp->inp_vflag & INP_IPV4) { 486 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 487 name, 1); 488 if (!Lflag) 489 inetprint(&inp->inp_faddr, 490 (int)inp->inp_fport, name, 1); 491 } 492 #ifdef INET6 493 else if (inp->inp_vflag & INP_IPV6) { 494 inet6print(&inp->in6p_laddr, 495 (int)inp->inp_lport, name, 1); 496 if (!Lflag) 497 inet6print(&inp->in6p_faddr, 498 (int)inp->inp_fport, name, 1); 499 } /* else nothing printed now */ 500 #endif /* INET6 */ 501 } else if (inp->inp_flags & INP_ANONPORT) { 502 if (inp->inp_vflag & INP_IPV4) { 503 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 504 name, 1); 505 if (!Lflag) 506 inetprint(&inp->inp_faddr, 507 (int)inp->inp_fport, name, 0); 508 } 509 #ifdef INET6 510 else if (inp->inp_vflag & INP_IPV6) { 511 inet6print(&inp->in6p_laddr, 512 (int)inp->inp_lport, name, 1); 513 if (!Lflag) 514 inet6print(&inp->in6p_faddr, 515 (int)inp->inp_fport, name, 0); 516 } /* else nothing printed now */ 517 #endif /* INET6 */ 518 } else { 519 if (inp->inp_vflag & INP_IPV4) { 520 inetprint(&inp->inp_laddr, (int)inp->inp_lport, 521 name, 0); 522 if (!Lflag) 523 inetprint(&inp->inp_faddr, 524 (int)inp->inp_fport, name, 525 inp->inp_lport != inp->inp_fport); 526 } 527 #ifdef INET6 528 else if (inp->inp_vflag & INP_IPV6) { 529 inet6print(&inp->in6p_laddr, 530 (int)inp->inp_lport, name, 0); 531 if (!Lflag) 532 inet6print(&inp->in6p_faddr, 533 (int)inp->inp_fport, name, 534 inp->inp_lport != inp->inp_fport); 535 } /* else nothing printed now */ 536 #endif /* INET6 */ 537 } 538 if (xflag) { 539 printf("%6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u", 540 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt, 541 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt, 542 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat, 543 so->so_rcv.sb_lowat, so->so_snd.sb_lowat, 544 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, 545 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); 546 if (timer != NULL) 547 printf(" %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d", 548 timer->tt_rexmt / 1000, (timer->tt_rexmt % 1000) / 10, 549 timer->tt_persist / 1000, (timer->tt_persist % 1000) / 10, 550 timer->tt_keep / 1000, (timer->tt_keep % 1000) / 10, 551 timer->tt_2msl / 1000, (timer->tt_2msl % 1000) / 10, 552 timer->tt_delack / 1000, (timer->tt_delack % 1000) / 10, 553 timer->t_rcvtime / 1000, (timer->t_rcvtime % 1000) / 10); 554 } 555 if (istcp && !Lflag && !xflag && !Tflag && !Rflag) { 556 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) 557 printf("%d", tp->t_state); 558 else { 559 printf("%s", tcpstates[tp->t_state]); 560 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN) 561 /* Show T/TCP `hidden state' */ 562 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) 563 putchar('*'); 564 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */ 565 } 566 } 567 if (Rflag) { 568 printf(" %08x %5d", 569 inp->inp_flowid, 570 inp->inp_flowtype); 571 } 572 putchar('\n'); 573 } 574 if (xig != oxig && xig->xig_gen != oxig->xig_gen) { 575 if (oxig->xig_count > xig->xig_count) { 576 printf("Some %s sockets may have been deleted.\n", 577 name); 578 } else if (oxig->xig_count < xig->xig_count) { 579 printf("Some %s sockets may have been created.\n", 580 name); 581 } else { 582 printf( 583 "Some %s sockets may have been created or deleted.\n", 584 name); 585 } 586 } 587 free(buf); 588 } 589 590 /* 591 * Dump TCP statistics structure. 592 */ 593 void 594 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 595 { 596 struct tcpstat tcpstat, zerostat; 597 size_t len = sizeof tcpstat; 598 599 #ifdef INET6 600 if (tcp_done != 0) 601 return; 602 else 603 tcp_done = 1; 604 #endif 605 606 if (live) { 607 if (zflag) 608 memset(&zerostat, 0, len); 609 if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 610 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 611 warn("sysctl: net.inet.tcp.stats"); 612 return; 613 } 614 } else 615 kread_counters(off, &tcpstat, len); 616 617 printf ("%s:\n", name); 618 619 #define p(f, m) if (tcpstat.f || sflag <= 1) \ 620 printf(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) 621 622 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ 623 printf(m, (uintmax_t )tcpstat.f) 624 625 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 626 printf(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 627 (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) 628 629 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ 630 printf(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ 631 (uintmax_t )tcpstat.f2) 632 633 #define p3(f, m) if (tcpstat.f || sflag <= 1) \ 634 printf(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) 635 636 p(tcps_sndtotal, "\t%ju packet%s sent\n"); 637 p2(tcps_sndpack,tcps_sndbyte, "\t\t%ju data packet%s (%ju byte%s)\n"); 638 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, 639 "\t\t%ju data packet%s (%ju byte%s) retransmitted\n"); 640 p(tcps_sndrexmitbad, 641 "\t\t%ju data packet%s unnecessarily retransmitted\n"); 642 p(tcps_mturesent, "\t\t%ju resend%s initiated by MTU discovery\n"); 643 p2a(tcps_sndacks, tcps_delack, 644 "\t\t%ju ack-only packet%s (%ju delayed)\n"); 645 p(tcps_sndurg, "\t\t%ju URG only packet%s\n"); 646 p(tcps_sndprobe, "\t\t%ju window probe packet%s\n"); 647 p(tcps_sndwinup, "\t\t%ju window update packet%s\n"); 648 p(tcps_sndctrl, "\t\t%ju control packet%s\n"); 649 p(tcps_rcvtotal, "\t%ju packet%s received\n"); 650 p2(tcps_rcvackpack, tcps_rcvackbyte, 651 "\t\t%ju ack%s (for %ju byte%s)\n"); 652 p(tcps_rcvdupack, "\t\t%ju duplicate ack%s\n"); 653 p(tcps_rcvacktoomuch, "\t\t%ju ack%s for unsent data\n"); 654 p2(tcps_rcvpack, tcps_rcvbyte, 655 "\t\t%ju packet%s (%ju byte%s) received in-sequence\n"); 656 p2(tcps_rcvduppack, tcps_rcvdupbyte, 657 "\t\t%ju completely duplicate packet%s (%ju byte%s)\n"); 658 p(tcps_pawsdrop, "\t\t%ju old duplicate packet%s\n"); 659 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, 660 "\t\t%ju packet%s with some dup. data (%ju byte%s duped)\n"); 661 p2(tcps_rcvoopack, tcps_rcvoobyte, 662 "\t\t%ju out-of-order packet%s (%ju byte%s)\n"); 663 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, 664 "\t\t%ju packet%s (%ju byte%s) of data after window\n"); 665 p(tcps_rcvwinprobe, "\t\t%ju window probe%s\n"); 666 p(tcps_rcvwinupd, "\t\t%ju window update packet%s\n"); 667 p(tcps_rcvafterclose, "\t\t%ju packet%s received after close\n"); 668 p(tcps_rcvbadsum, "\t\t%ju discarded for bad checksum%s\n"); 669 p(tcps_rcvbadoff, "\t\t%ju discarded for bad header offset field%s\n"); 670 p1a(tcps_rcvshort, "\t\t%ju discarded because packet too short\n"); 671 p1a(tcps_rcvreassfull, 672 "\t\t%ju discarded due to no space in reassembly queue\n"); 673 p(tcps_connattempt, "\t%ju connection request%s\n"); 674 p(tcps_accepts, "\t%ju connection accept%s\n"); 675 p(tcps_badsyn, "\t%ju bad connection attempt%s\n"); 676 p(tcps_listendrop, "\t%ju listen queue overflow%s\n"); 677 p(tcps_badrst, "\t%ju ignored RSTs in the window%s\n"); 678 p(tcps_connects, "\t%ju connection%s established (including accepts)\n"); 679 p2(tcps_closed, tcps_drops, 680 "\t%ju connection%s closed (including %ju drop%s)\n"); 681 p(tcps_cachedrtt, "\t\t%ju connection%s updated cached RTT on close\n"); 682 p(tcps_cachedrttvar, 683 "\t\t%ju connection%s updated cached RTT variance on close\n"); 684 p(tcps_cachedssthresh, 685 "\t\t%ju connection%s updated cached ssthresh on close\n"); 686 p(tcps_conndrops, "\t%ju embryonic connection%s dropped\n"); 687 p2(tcps_rttupdated, tcps_segstimed, 688 "\t%ju segment%s updated rtt (of %ju attempt%s)\n"); 689 p(tcps_rexmttimeo, "\t%ju retransmit timeout%s\n"); 690 p(tcps_timeoutdrop, "\t\t%ju connection%s dropped by rexmit timeout\n"); 691 p(tcps_persisttimeo, "\t%ju persist timeout%s\n"); 692 p(tcps_persistdrop, "\t\t%ju connection%s dropped by persist timeout\n"); 693 p(tcps_finwait2_drops, 694 "\t%ju Connection%s (fin_wait_2) dropped because of timeout\n"); 695 p(tcps_keeptimeo, "\t%ju keepalive timeout%s\n"); 696 p(tcps_keepprobe, "\t\t%ju keepalive probe%s sent\n"); 697 p(tcps_keepdrops, "\t\t%ju connection%s dropped by keepalive\n"); 698 p(tcps_predack, "\t%ju correct ACK header prediction%s\n"); 699 p(tcps_preddat, "\t%ju correct data packet header prediction%s\n"); 700 701 p3(tcps_sc_added, "\t%ju syncache entr%s added\n"); 702 p1a(tcps_sc_retransmitted, "\t\t%ju retransmitted\n"); 703 p1a(tcps_sc_dupsyn, "\t\t%ju dupsyn\n"); 704 p1a(tcps_sc_dropped, "\t\t%ju dropped\n"); 705 p1a(tcps_sc_completed, "\t\t%ju completed\n"); 706 p1a(tcps_sc_bucketoverflow, "\t\t%ju bucket overflow\n"); 707 p1a(tcps_sc_cacheoverflow, "\t\t%ju cache overflow\n"); 708 p1a(tcps_sc_reset, "\t\t%ju reset\n"); 709 p1a(tcps_sc_stale, "\t\t%ju stale\n"); 710 p1a(tcps_sc_aborted, "\t\t%ju aborted\n"); 711 p1a(tcps_sc_badack, "\t\t%ju badack\n"); 712 p1a(tcps_sc_unreach, "\t\t%ju unreach\n"); 713 p(tcps_sc_zonefail, "\t\t%ju zone failure%s\n"); 714 p(tcps_sc_sendcookie, "\t%ju cookie%s sent\n"); 715 p(tcps_sc_recvcookie, "\t%ju cookie%s received\n"); 716 717 p3(tcps_hc_added, "\t%ju hostcache entr%s added\n"); 718 p1a(tcps_hc_bucketoverflow, "\t\t%ju bucket overflow\n"); 719 720 p(tcps_sack_recovery_episode, "\t%ju SACK recovery episode%s\n"); 721 p(tcps_sack_rexmits, 722 "\t%ju segment rexmit%s in SACK recovery episodes\n"); 723 p(tcps_sack_rexmit_bytes, 724 "\t%ju byte rexmit%s in SACK recovery episodes\n"); 725 p(tcps_sack_rcv_blocks, 726 "\t%ju SACK option%s (SACK blocks) received\n"); 727 p(tcps_sack_send_blocks, "\t%ju SACK option%s (SACK blocks) sent\n"); 728 p1a(tcps_sack_sboverflow, "\t%ju SACK scoreboard overflow\n"); 729 730 p(tcps_ecn_ce, "\t%ju packet%s with ECN CE bit set\n"); 731 p(tcps_ecn_ect0, "\t%ju packet%s with ECN ECT(0) bit set\n"); 732 p(tcps_ecn_ect1, "\t%ju packet%s with ECN ECT(1) bit set\n"); 733 p(tcps_ecn_shs, "\t%ju successful ECN handshake%s\n"); 734 p(tcps_ecn_rcwnd, "\t%ju time%s ECN reduced the congestion window\n"); 735 736 p(tcps_sig_rcvgoodsig, 737 "\t%ju packet%s with valid tcp-md5 signature received\n"); 738 p(tcps_sig_rcvbadsig, 739 "\t%ju packet%s with invalid tcp-md5 signature received\n"); 740 p(tcps_sig_err_buildsig, 741 "\t%ju packet%s with tcp-md5 signature mismatch\n"); 742 p(tcps_sig_err_sigopt, 743 "\t%ju packet%s with unexpected tcp-md5 signature received\n"); 744 p(tcps_sig_err_nosigopt, 745 "\t%ju packet%s without expected tcp-md5 signature received\n"); 746 #undef p 747 #undef p1a 748 #undef p2 749 #undef p2a 750 #undef p3 751 } 752 753 /* 754 * Dump UDP statistics structure. 755 */ 756 void 757 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 758 { 759 struct udpstat udpstat, zerostat; 760 size_t len = sizeof udpstat; 761 uint64_t delivered; 762 763 #ifdef INET6 764 if (udp_done != 0) 765 return; 766 else 767 udp_done = 1; 768 #endif 769 770 if (live) { 771 if (zflag) 772 memset(&zerostat, 0, len); 773 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len, 774 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 775 warn("sysctl: net.inet.udp.stats"); 776 return; 777 } 778 } else 779 kread_counters(off, &udpstat, len); 780 781 printf("%s:\n", name); 782 #define p(f, m) if (udpstat.f || sflag <= 1) \ 783 printf("\t%ju " m, (uintmax_t)udpstat.f, plural(udpstat.f)) 784 #define p1a(f, m) if (udpstat.f || sflag <= 1) \ 785 printf("\t%ju " m, (uintmax_t)udpstat.f) 786 p(udps_ipackets, "datagram%s received\n"); 787 p1a(udps_hdrops, "with incomplete header\n"); 788 p1a(udps_badlen, "with bad data length field\n"); 789 p1a(udps_badsum, "with bad checksum\n"); 790 p1a(udps_nosum, "with no checksum\n"); 791 p1a(udps_noport, "dropped due to no socket\n"); 792 p(udps_noportbcast, 793 "broadcast/multicast datagram%s undelivered\n"); 794 p1a(udps_fullsock, "dropped due to full socket buffers\n"); 795 p1a(udpps_pcbhashmiss, "not for hashed pcb\n"); 796 delivered = udpstat.udps_ipackets - 797 udpstat.udps_hdrops - 798 udpstat.udps_badlen - 799 udpstat.udps_badsum - 800 udpstat.udps_noport - 801 udpstat.udps_noportbcast - 802 udpstat.udps_fullsock; 803 if (delivered || sflag <= 1) 804 printf("\t%ju delivered\n", (uint64_t)delivered); 805 p(udps_opackets, "datagram%s output\n"); 806 /* the next statistic is cumulative in udps_noportbcast */ 807 p(udps_filtermcast, 808 "time%s multicast source filter matched\n"); 809 #undef p 810 #undef p1a 811 } 812 813 /* 814 * Dump CARP statistics structure. 815 */ 816 void 817 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 818 { 819 struct carpstats carpstat, zerostat; 820 size_t len = sizeof(struct carpstats); 821 822 if (live) { 823 if (zflag) 824 memset(&zerostat, 0, len); 825 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len, 826 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 827 if (errno != ENOENT) 828 warn("sysctl: net.inet.carp.stats"); 829 return; 830 } 831 } else { 832 if (off == 0) 833 return; 834 kread_counters(off, &carpstat, len); 835 } 836 837 printf("%s:\n", name); 838 839 #define p(f, m) if (carpstat.f || sflag <= 1) \ 840 printf(m, (uintmax_t)carpstat.f, plural(carpstat.f)) 841 #define p2(f, m) if (carpstat.f || sflag <= 1) \ 842 printf(m, (uintmax_t)carpstat.f) 843 844 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n"); 845 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n"); 846 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n"); 847 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n"); 848 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n"); 849 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n"); 850 p2(carps_badlen, "\t\t%ju discarded because packet too short\n"); 851 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n"); 852 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n"); 853 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n"); 854 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n"); 855 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n"); 856 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n"); 857 #if notyet 858 p(carps_ostates, "\t\t%s state update%s sent\n"); 859 #endif 860 #undef p 861 #undef p2 862 } 863 864 /* 865 * Dump IP statistics structure. 866 */ 867 void 868 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 869 { 870 struct ipstat ipstat, zerostat; 871 size_t len = sizeof ipstat; 872 873 if (live) { 874 if (zflag) 875 memset(&zerostat, 0, len); 876 if (sysctlbyname("net.inet.ip.stats", &ipstat, &len, 877 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 878 warn("sysctl: net.inet.ip.stats"); 879 return; 880 } 881 } else 882 kread_counters(off, &ipstat, len); 883 884 printf("%s:\n", name); 885 886 #define p(f, m) if (ipstat.f || sflag <= 1) \ 887 printf(m, (uintmax_t )ipstat.f, plural(ipstat.f)) 888 #define p1a(f, m) if (ipstat.f || sflag <= 1) \ 889 printf(m, (uintmax_t )ipstat.f) 890 891 p(ips_total, "\t%ju total packet%s received\n"); 892 p(ips_badsum, "\t%ju bad header checksum%s\n"); 893 p1a(ips_toosmall, "\t%ju with size smaller than minimum\n"); 894 p1a(ips_tooshort, "\t%ju with data size < data length\n"); 895 p1a(ips_toolong, "\t%ju with ip length > max ip packet size\n"); 896 p1a(ips_badhlen, "\t%ju with header length < data size\n"); 897 p1a(ips_badlen, "\t%ju with data length < header length\n"); 898 p1a(ips_badoptions, "\t%ju with bad options\n"); 899 p1a(ips_badvers, "\t%ju with incorrect version number\n"); 900 p(ips_fragments, "\t%ju fragment%s received\n"); 901 p(ips_fragdropped, "\t%ju fragment%s dropped (dup or out of space)\n"); 902 p(ips_fragtimeout, "\t%ju fragment%s dropped after timeout\n"); 903 p(ips_reassembled, "\t%ju packet%s reassembled ok\n"); 904 p(ips_delivered, "\t%ju packet%s for this host\n"); 905 p(ips_noproto, "\t%ju packet%s for unknown/unsupported protocol\n"); 906 p(ips_forward, "\t%ju packet%s forwarded"); 907 p(ips_fastforward, " (%ju packet%s fast forwarded)"); 908 if (ipstat.ips_forward || sflag <= 1) 909 putchar('\n'); 910 p(ips_cantforward, "\t%ju packet%s not forwardable\n"); 911 p(ips_notmember, 912 "\t%ju packet%s received for unknown multicast group\n"); 913 p(ips_redirectsent, "\t%ju redirect%s sent\n"); 914 p(ips_localout, "\t%ju packet%s sent from this host\n"); 915 p(ips_rawout, "\t%ju packet%s sent with fabricated ip header\n"); 916 p(ips_odropped, 917 "\t%ju output packet%s dropped due to no bufs, etc.\n"); 918 p(ips_noroute, "\t%ju output packet%s discarded due to no route\n"); 919 p(ips_fragmented, "\t%ju output datagram%s fragmented\n"); 920 p(ips_ofragments, "\t%ju fragment%s created\n"); 921 p(ips_cantfrag, "\t%ju datagram%s that can't be fragmented\n"); 922 p(ips_nogif, "\t%ju tunneling packet%s that can't find gif\n"); 923 p(ips_badaddr, "\t%ju datagram%s with bad address in header\n"); 924 #undef p 925 #undef p1a 926 } 927 928 /* 929 * Dump ARP statistics structure. 930 */ 931 void 932 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 933 { 934 struct arpstat arpstat, zerostat; 935 size_t len = sizeof(arpstat); 936 937 if (live) { 938 if (zflag) 939 memset(&zerostat, 0, len); 940 if (sysctlbyname("net.link.ether.arp.stats", &arpstat, &len, 941 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 942 warn("sysctl: net.link.ether.arp.stats"); 943 return; 944 } 945 } else 946 kread_counters(off, &arpstat, len); 947 948 printf("%s:\n", name); 949 950 #define p(f, m) if (arpstat.f || sflag <= 1) \ 951 printf("\t%ju " m, (uintmax_t)arpstat.f, plural(arpstat.f)) 952 #define p2(f, m) if (arpstat.f || sflag <= 1) \ 953 printf("\t%ju " m, (uintmax_t)arpstat.f, pluralies(arpstat.f)) 954 955 p(txrequests, "ARP request%s sent\n"); 956 p2(txreplies, "ARP repl%s sent\n"); 957 p(rxrequests, "ARP request%s received\n"); 958 p2(rxreplies, "ARP repl%s received\n"); 959 p(received, "ARP packet%s received\n"); 960 p(dropped, "total packet%s dropped due to no ARP entry\n"); 961 p(timeouts, "ARP entry%s timed out\n"); 962 p(dupips, "Duplicate IP%s seen\n"); 963 #undef p 964 #undef p2 965 } 966 967 968 969 static const char *icmpnames[ICMP_MAXTYPE + 1] = { 970 "echo reply", /* RFC 792 */ 971 "#1", 972 "#2", 973 "destination unreachable", /* RFC 792 */ 974 "source quench", /* RFC 792 */ 975 "routing redirect", /* RFC 792 */ 976 "#6", 977 "#7", 978 "echo", /* RFC 792 */ 979 "router advertisement", /* RFC 1256 */ 980 "router solicitation", /* RFC 1256 */ 981 "time exceeded", /* RFC 792 */ 982 "parameter problem", /* RFC 792 */ 983 "time stamp", /* RFC 792 */ 984 "time stamp reply", /* RFC 792 */ 985 "information request", /* RFC 792 */ 986 "information request reply", /* RFC 792 */ 987 "address mask request", /* RFC 950 */ 988 "address mask reply", /* RFC 950 */ 989 "#19", 990 "#20", 991 "#21", 992 "#22", 993 "#23", 994 "#24", 995 "#25", 996 "#26", 997 "#27", 998 "#28", 999 "#29", 1000 "icmp traceroute", /* RFC 1393 */ 1001 "datagram conversion error", /* RFC 1475 */ 1002 "mobile host redirect", 1003 "IPv6 where-are-you", 1004 "IPv6 i-am-here", 1005 "mobile registration req", 1006 "mobile registration reply", 1007 "domain name request", /* RFC 1788 */ 1008 "domain name reply", /* RFC 1788 */ 1009 "icmp SKIP", 1010 "icmp photuris", /* RFC 2521 */ 1011 }; 1012 1013 /* 1014 * Dump ICMP statistics. 1015 */ 1016 void 1017 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1018 { 1019 struct icmpstat icmpstat, zerostat; 1020 int i, first; 1021 size_t len; 1022 1023 len = sizeof icmpstat; 1024 if (live) { 1025 if (zflag) 1026 memset(&zerostat, 0, len); 1027 if (sysctlbyname("net.inet.icmp.stats", &icmpstat, &len, 1028 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1029 warn("sysctl: net.inet.icmp.stats"); 1030 return; 1031 } 1032 } else 1033 kread_counters(off, &icmpstat, len); 1034 1035 printf("%s:\n", name); 1036 1037 #define p(f, m) if (icmpstat.f || sflag <= 1) \ 1038 printf(m, icmpstat.f, plural(icmpstat.f)) 1039 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \ 1040 printf(m, icmpstat.f) 1041 #define p2(f, m) if (icmpstat.f || sflag <= 1) \ 1042 printf(m, icmpstat.f, plurales(icmpstat.f)) 1043 1044 p(icps_error, "\t%lu call%s to icmp_error\n"); 1045 p(icps_oldicmp, 1046 "\t%lu error%s not generated in response to an icmp message\n"); 1047 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 1048 if (icmpstat.icps_outhist[i] != 0) { 1049 if (first) { 1050 printf("\tOutput histogram:\n"); 1051 first = 0; 1052 } 1053 if (icmpnames[i] != NULL) 1054 printf("\t\t%s: %lu\n", icmpnames[i], 1055 icmpstat.icps_outhist[i]); 1056 else 1057 printf("\t\tunknown ICMP #%d: %lu\n", i, 1058 icmpstat.icps_outhist[i]); 1059 } 1060 p(icps_badcode, "\t%lu message%s with bad code fields\n"); 1061 p(icps_tooshort, "\t%lu message%s less than the minimum length\n"); 1062 p(icps_checksum, "\t%lu message%s with bad checksum\n"); 1063 p(icps_badlen, "\t%lu message%s with bad length\n"); 1064 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n"); 1065 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n"); 1066 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) 1067 if (icmpstat.icps_inhist[i] != 0) { 1068 if (first) { 1069 printf("\tInput histogram:\n"); 1070 first = 0; 1071 } 1072 if (icmpnames[i] != NULL) 1073 printf("\t\t%s: %lu\n", icmpnames[i], 1074 icmpstat.icps_inhist[i]); 1075 else 1076 printf("\t\tunknown ICMP #%d: %lu\n", i, 1077 icmpstat.icps_inhist[i]); 1078 } 1079 p(icps_reflect, "\t%lu message response%s generated\n"); 1080 p2(icps_badaddr, "\t%lu invalid return address%s\n"); 1081 p(icps_noroute, "\t%lu no return route%s\n"); 1082 #undef p 1083 #undef p1a 1084 #undef p2 1085 if (live) { 1086 len = sizeof i; 1087 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) < 1088 0) 1089 return; 1090 printf("\tICMP address mask responses are %sabled\n", 1091 i ? "en" : "dis"); 1092 } 1093 } 1094 1095 #ifndef BURN_BRIDGES 1096 /* 1097 * Dump IGMP statistics structure (pre 8.x kernel). 1098 */ 1099 static void 1100 igmp_stats_live_old(const char *name) 1101 { 1102 struct oigmpstat oigmpstat, zerostat; 1103 size_t len = sizeof(oigmpstat); 1104 1105 if (zflag) 1106 memset(&zerostat, 0, len); 1107 if (sysctlbyname("net.inet.igmp.stats", &oigmpstat, &len, 1108 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1109 warn("sysctl: net.inet.igmp.stats"); 1110 return; 1111 } 1112 1113 printf("%s:\n", name); 1114 1115 #define p(f, m) if (oigmpstat.f || sflag <= 1) \ 1116 printf(m, oigmpstat.f, plural(oigmpstat.f)) 1117 #define py(f, m) if (oigmpstat.f || sflag <= 1) \ 1118 printf(m, oigmpstat.f, oigmpstat.f != 1 ? "ies" : "y") 1119 p(igps_rcv_total, "\t%u message%s received\n"); 1120 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n"); 1121 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n"); 1122 py(igps_rcv_queries, "\t%u membership quer%s received\n"); 1123 py(igps_rcv_badqueries, 1124 "\t%u membership quer%s received with invalid field(s)\n"); 1125 p(igps_rcv_reports, "\t%u membership report%s received\n"); 1126 p(igps_rcv_badreports, 1127 "\t%u membership report%s received with invalid field(s)\n"); 1128 p(igps_rcv_ourreports, 1129 "\t%u membership report%s received for groups to which we belong\n"); 1130 p(igps_snd_reports, "\t%u membership report%s sent\n"); 1131 #undef p 1132 #undef py 1133 } 1134 #endif /* !BURN_BRIDGES */ 1135 1136 /* 1137 * Dump IGMP statistics structure. 1138 */ 1139 void 1140 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) 1141 { 1142 struct igmpstat igmpstat, zerostat; 1143 size_t len; 1144 1145 #ifndef BURN_BRIDGES 1146 if (live) { 1147 /* 1148 * Detect if we are being run against a pre-IGMPv3 kernel. 1149 * We cannot do this for a core file as the legacy 1150 * struct igmpstat has no size field, nor does it 1151 * export it in any readily-available symbols. 1152 */ 1153 len = 0; 1154 if (sysctlbyname("net.inet.igmp.stats", NULL, &len, NULL, 1155 0) < 0) { 1156 warn("sysctl: net.inet.igmp.stats"); 1157 return; 1158 } 1159 if (len < sizeof(igmpstat)) { 1160 igmp_stats_live_old(name); 1161 return; 1162 } 1163 } 1164 #endif /* !BURN_BRIDGES */ 1165 1166 len = sizeof(igmpstat); 1167 if (live) { 1168 if (zflag) 1169 memset(&zerostat, 0, len); 1170 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, 1171 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1172 warn("sysctl: net.inet.igmp.stats"); 1173 return; 1174 } 1175 } else { 1176 len = sizeof(igmpstat); 1177 kread(off, &igmpstat, len); 1178 } 1179 1180 if (igmpstat.igps_version != IGPS_VERSION_3) { 1181 warnx("%s: version mismatch (%d != %d)", __func__, 1182 igmpstat.igps_version, IGPS_VERSION_3); 1183 } 1184 if (igmpstat.igps_len != IGPS_VERSION3_LEN) { 1185 warnx("%s: size mismatch (%d != %d)", __func__, 1186 igmpstat.igps_len, IGPS_VERSION3_LEN); 1187 } 1188 1189 printf("%s:\n", name); 1190 1191 #define p64(f, m) if (igmpstat.f || sflag <= 1) \ 1192 printf(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) 1193 #define py64(f, m) if (igmpstat.f || sflag <= 1) \ 1194 printf(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) 1195 p64(igps_rcv_total, "\t%ju message%s received\n"); 1196 p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1197 p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n"); 1198 p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1199 py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n"); 1200 py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n"); 1201 py64(igps_rcv_badqueries, 1202 "\t%ju membership quer%s received with invalid field(s)\n"); 1203 py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n"); 1204 py64(igps_rcv_group_queries, "\t%ju group quer%s received\n"); 1205 py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n"); 1206 py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n"); 1207 p64(igps_rcv_reports, "\t%ju membership report%s received\n"); 1208 p64(igps_rcv_badreports, 1209 "\t%ju membership report%s received with invalid field(s)\n"); 1210 p64(igps_rcv_ourreports, 1211 "\t%ju membership report%s received for groups to which we belong\n"); 1212 p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n"); 1213 p64(igps_snd_reports, "\t%ju membership report%s sent\n"); 1214 #undef p64 1215 #undef py64 1216 } 1217 1218 /* 1219 * Dump PIM statistics structure. 1220 */ 1221 void 1222 pim_stats(u_long off __unused, const char *name, int af1 __unused, 1223 int proto __unused) 1224 { 1225 struct pimstat pimstat, zerostat; 1226 size_t len = sizeof pimstat; 1227 1228 if (live) { 1229 if (zflag) 1230 memset(&zerostat, 0, len); 1231 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len, 1232 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { 1233 if (errno != ENOENT) 1234 warn("sysctl: net.inet.pim.stats"); 1235 return; 1236 } 1237 } else { 1238 if (off == 0) 1239 return; 1240 kread_counters(off, &pimstat, len); 1241 } 1242 1243 printf("%s:\n", name); 1244 1245 #define p(f, m) if (pimstat.f || sflag <= 1) \ 1246 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f)) 1247 #define py(f, m) if (pimstat.f || sflag <= 1) \ 1248 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y") 1249 p(pims_rcv_total_msgs, "\t%ju message%s received\n"); 1250 p(pims_rcv_total_bytes, "\t%ju byte%s received\n"); 1251 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); 1252 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n"); 1253 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n"); 1254 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n"); 1255 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n"); 1256 p(pims_rcv_registers_wrongiif, 1257 "\t%ju data register message%s received on wrong iif\n"); 1258 p(pims_rcv_badregisters, "\t%ju bad register%s received\n"); 1259 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n"); 1260 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n"); 1261 #undef p 1262 #undef py 1263 } 1264 1265 /* 1266 * Pretty print an Internet address (net address + port). 1267 */ 1268 void 1269 inetprint(struct in_addr *in, int port, const char *proto, int num_port) 1270 { 1271 struct servent *sp = 0; 1272 char line[80], *cp; 1273 int width; 1274 1275 if (Wflag) 1276 sprintf(line, "%s.", inetname(in)); 1277 else 1278 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in)); 1279 cp = strchr(line, '\0'); 1280 if (!num_port && port) 1281 sp = getservbyport((int)port, proto); 1282 if (sp || port == 0) 1283 sprintf(cp, "%.15s ", sp ? sp->s_name : "*"); 1284 else 1285 sprintf(cp, "%d ", ntohs((u_short)port)); 1286 width = (Aflag && !Wflag) ? 18 : 22; 1287 if (Wflag) 1288 printf("%-*s ", width, line); 1289 else 1290 printf("%-*.*s ", width, width, line); 1291 } 1292 1293 /* 1294 * Construct an Internet address representation. 1295 * If numeric_addr has been supplied, give 1296 * numeric value, otherwise try for symbolic name. 1297 */ 1298 char * 1299 inetname(struct in_addr *inp) 1300 { 1301 char *cp; 1302 static char line[MAXHOSTNAMELEN]; 1303 struct hostent *hp; 1304 struct netent *np; 1305 1306 cp = 0; 1307 if (!numeric_addr && inp->s_addr != INADDR_ANY) { 1308 int net = inet_netof(*inp); 1309 int lna = inet_lnaof(*inp); 1310 1311 if (lna == INADDR_ANY) { 1312 np = getnetbyaddr(net, AF_INET); 1313 if (np) 1314 cp = np->n_name; 1315 } 1316 if (cp == 0) { 1317 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); 1318 if (hp) { 1319 cp = hp->h_name; 1320 trimdomain(cp, strlen(cp)); 1321 } 1322 } 1323 } 1324 if (inp->s_addr == INADDR_ANY) 1325 strcpy(line, "*"); 1326 else if (cp) { 1327 strlcpy(line, cp, sizeof(line)); 1328 } else { 1329 inp->s_addr = ntohl(inp->s_addr); 1330 #define C(x) ((u_int)((x) & 0xff)) 1331 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24), 1332 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); 1333 } 1334 return (line); 1335 } 1336