main.c revision 1.29
1 /* $NetBSD: main.c,v 1.29 2000/08/15 20:24:58 jhawk Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1988, 1993 5 * Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1983, 1988, 1993\n\ 39 Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94"; 45 #else 46 __RCSID("$NetBSD: main.c,v 1.29 2000/08/15 20:24:58 jhawk Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/file.h> 52 #include <sys/protosw.h> 53 #include <sys/socket.h> 54 55 #include <netinet/in.h> 56 57 #include <ctype.h> 58 #include <err.h> 59 #include <errno.h> 60 #include <kvm.h> 61 #include <limits.h> 62 #include <netdb.h> 63 #include <nlist.h> 64 #include <paths.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 #include "netstat.h" 70 71 struct nlist nl[] = { 72 #define N_MBSTAT 0 73 { "_mbstat" }, 74 #define N_IPSTAT 1 75 { "_ipstat" }, 76 #define N_TCBTABLE 2 77 { "_tcbtable" }, 78 #define N_TCPSTAT 3 79 { "_tcpstat" }, 80 #define N_UDBTABLE 4 81 { "_udbtable" }, 82 #define N_UDPSTAT 5 83 { "_udpstat" }, 84 #define N_IFNET 6 85 { "_ifnet" }, 86 #define N_IMP 7 87 { "_imp_softc" }, 88 #define N_ICMPSTAT 8 89 { "_icmpstat" }, 90 #define N_RTSTAT 9 91 { "_rtstat" }, 92 #define N_UNIXSW 10 93 { "_unixsw" }, 94 #define N_IDP 11 95 { "_nspcb"}, 96 #define N_IDPSTAT 12 97 { "_idpstat"}, 98 #define N_SPPSTAT 13 99 { "_spp_istat"}, 100 #define N_NSERR 14 101 { "_ns_errstat"}, 102 #define N_CLNPSTAT 15 103 { "_clnp_stat"}, 104 #define IN_NOTUSED 16 105 { "_tp_inpcb" }, 106 #define ISO_TP 17 107 { "_tp_refinfo" }, 108 #define N_TPSTAT 18 109 { "_tp_stat" }, 110 #define N_ESISSTAT 19 111 { "_esis_stat"}, 112 #define N_NIMP 20 113 { "_nimp"}, 114 #define N_RTREE 21 115 { "_rt_tables"}, 116 #define N_CLTP 22 117 { "_cltb"}, 118 #define N_CLTPSTAT 23 119 { "_cltpstat"}, 120 #define N_NFILE 24 121 { "_nfile" }, 122 #define N_FILE 25 123 { "_file" }, 124 #define N_IGMPSTAT 26 125 { "_igmpstat" }, 126 #define N_MRTPROTO 27 127 { "_ip_mrtproto" }, 128 #define N_MRTSTAT 28 129 { "_mrtstat" }, 130 #define N_MFCHASHTBL 29 131 { "_mfchashtbl" }, 132 #define N_MFCHASH 30 133 { "_mfchash" }, 134 #define N_VIFTABLE 31 135 { "_viftable" }, 136 #define N_MSIZE 32 137 { "_msize" }, 138 #define N_MCLBYTES 33 139 { "_mclbytes" }, 140 #define N_DDPSTAT 34 141 { "_ddpstat"}, 142 #define N_DDPCB 35 143 { "_ddpcb"}, 144 #define N_MBPOOL 36 145 { "_mbpool" }, 146 #define N_MCLPOOL 37 147 { "_mclpool" }, 148 #define N_DIVPCB 38 149 { "_divcb"}, 150 #define N_DIVSTAT 39 151 { "_divstat"}, 152 #define N_IP6STAT 40 153 { "_ip6stat" }, 154 #define N_TCB6 41 155 { "_tcb6" }, 156 #define N_TCP6STAT 42 157 { "_tcp6stat" }, 158 #define N_UDB6 43 159 { "_udb6" }, 160 #define N_UDP6STAT 44 161 { "_udp6stat" }, 162 #define N_ICMP6STAT 45 163 { "_icmp6stat" }, 164 #define N_IPSECSTAT 46 165 { "_ipsecstat" }, 166 #define N_IPSEC6STAT 47 167 { "_ipsec6stat" }, 168 #define N_PIM6STAT 48 169 { "_pim6stat" }, 170 #define N_MRT6PROTO 49 171 { "_ip6_mrtproto" }, 172 #define N_MRT6STAT 50 173 { "_mrt6stat" }, 174 #define N_MF6CTABLE 51 175 { "_mf6ctable" }, 176 #define N_MIF6TABLE 52 177 { "_mif6table" }, 178 #define N_PFKEYSTAT 53 179 { "_pfkeystat" }, 180 #define N_ARPSTAT 54 181 { "_arpstat" }, 182 { "" }, 183 }; 184 185 struct protox { 186 u_char pr_index; /* index into nlist of cb head */ 187 u_char pr_sindex; /* index into nlist of stat block */ 188 u_char pr_wanted; /* 1 if wanted, 0 otherwise */ 189 void (*pr_cblocks) /* control blocks printing routine */ 190 __P((u_long, char *)); 191 void (*pr_stats) /* statistics printing routine */ 192 __P((u_long, char *)); 193 void (*pr_istats) 194 __P((char *)); /* per/if statistics printing routine */ 195 void (*pr_dump) /* PCB state dump routine */ 196 __P((u_long)); 197 char *pr_name; /* well-known name */ 198 } protox[] = { 199 { N_TCBTABLE, N_TCPSTAT, 1, protopr, 200 tcp_stats, NULL, tcp_dump, "tcp" }, 201 { N_UDBTABLE, N_UDPSTAT, 1, protopr, 202 udp_stats, NULL, 0, "udp" }, 203 { -1, N_IPSTAT, 1, 0, 204 ip_stats, NULL, 0, "ip" }, 205 { -1, N_ICMPSTAT, 1, 0, 206 icmp_stats, NULL, 0, "icmp" }, 207 { -1, N_IGMPSTAT, 1, 0, 208 igmp_stats, NULL, 0, "igmp" }, 209 #ifdef IPSEC 210 { -1, N_IPSECSTAT, 1, 0, 211 ipsec_stats, NULL, 0, "ipsec" }, 212 #endif 213 { -1, -1, 0, 0, 214 0, NULL, 0, 0 } 215 }; 216 217 #ifdef INET6 218 struct protox ip6protox[] = { 219 { -1, N_IP6STAT, 1, 0, 220 ip6_stats, ip6_ifstats, 0, "ip6" }, 221 { -1, N_ICMP6STAT, 1, 0, 222 icmp6_stats, icmp6_ifstats, 0, "icmp6" }, 223 #ifdef TCP6 224 { N_TCB6, N_TCP6STAT, 1, ip6protopr, 225 tcp6_stats, NULL, tcp6_dump, "tcp6" }, 226 #else 227 { N_TCB6, N_TCP6STAT, 1, ip6protopr, 228 tcp_stats, NULL, tcp_dump, "tcp6" }, 229 #endif 230 { N_UDB6, N_UDP6STAT, 1, ip6protopr, 231 udp6_stats, NULL, 0, "udp6" }, 232 #ifdef IPSEC 233 { -1, N_IPSEC6STAT, 1, 0, 234 ipsec_stats, NULL, 0, "ipsec6" }, 235 #endif 236 { -1, N_PIM6STAT, 1, 0, 237 pim6_stats, NULL, 0, "pim6" }, 238 { -1, -1, 0, 0, 239 0, NULL, 0, 0 } 240 }; 241 #endif 242 243 struct protox arpprotox[] = { 244 { -1, N_ARPSTAT, 1, 0, 245 arp_stats, NULL, 0, "arp" }, 246 }; 247 248 #ifdef IPSEC 249 struct protox pfkeyprotox[] = { 250 { -1, N_PFKEYSTAT, 1, 0, 251 pfkey_stats, NULL, 0, "pfkey" }, 252 { -1, -1, 0, 0, 253 0, NULL, 0, 0 } 254 }; 255 #endif 256 257 #ifndef SMALL 258 struct protox atalkprotox[] = { 259 { N_DDPCB, N_DDPSTAT, 1, atalkprotopr, 260 ddp_stats, NULL, 0, "ddp" }, 261 { -1, -1, 0, 0, 262 0, NULL, 0 } 263 }; 264 265 struct protox nsprotox[] = { 266 { N_IDP, N_IDPSTAT, 1, nsprotopr, 267 idp_stats, NULL, 0, "idp" }, 268 { N_IDP, N_SPPSTAT, 1, nsprotopr, 269 spp_stats, NULL, 0, "spp" }, 270 { -1, N_NSERR, 1, 0, 271 nserr_stats, NULL, 0, "ns_err" }, 272 { -1, -1, 0, 0, 273 0, NULL, 0 } 274 }; 275 276 struct protox isoprotox[] = { 277 { ISO_TP, N_TPSTAT, 1, iso_protopr, 278 tp_stats, NULL, 0, "tp" }, 279 { N_CLTP, N_CLTPSTAT, 1, iso_protopr, 280 cltp_stats, NULL, 0, "cltp" }, 281 { -1, N_CLNPSTAT, 1, 0, 282 clnp_stats, NULL, 0, "clnp"}, 283 { -1, N_ESISSTAT, 1, 0, 284 esis_stats, NULL, 0, "esis"}, 285 { -1, -1, 0, 0, 286 0, NULL, 0, 0 } 287 }; 288 #endif 289 290 struct protox *protoprotox[] = { protox, 291 #ifdef INET6 292 ip6protox, 293 #endif 294 arpprotox, 295 #ifdef IPSEC 296 pfkeyprotox, 297 #endif 298 #ifndef SMALL 299 atalkprotox, nsprotox, isoprotox, 300 #endif 301 NULL }; 302 303 int main __P((int, char *[])); 304 static void printproto __P((struct protox *, char *)); 305 static void usage __P((void)); 306 static struct protox *name2protox __P((char *)); 307 static struct protox *knownname __P((char *)); 308 309 kvm_t *kvmd; 310 311 int 312 main(argc, argv) 313 int argc; 314 char *argv[]; 315 { 316 struct protoent *p; 317 struct protox *tp; /* for printing cblocks & stats */ 318 int ch; 319 char *nlistf = NULL, *memf = NULL; 320 char buf[_POSIX2_LINE_MAX], *cp; 321 u_long pcbaddr; 322 gid_t egid = getegid(); 323 324 (void)setegid(getgid()); 325 tp = NULL; 326 af = AF_UNSPEC; 327 pcbaddr = 0; 328 329 while ((ch = getopt(argc, argv, "Aabdf:ghI:LliM:mN:nP:p:rstuvw:")) != -1) 330 switch(ch) { 331 case 'A': 332 Aflag = 1; 333 break; 334 case 'a': 335 aflag = 1; 336 break; 337 case 'b': 338 bflag = 1; 339 break; 340 case 'd': 341 dflag = 1; 342 break; 343 case 'f': 344 if (strcmp(optarg, "ns") == 0) 345 af = AF_NS; 346 else if (strcmp(optarg, "inet") == 0) 347 af = AF_INET; 348 else if (strcmp(optarg, "inet6") == 0) 349 af = AF_INET6; 350 else if (strcmp(optarg, "arp") == 0) 351 af = AF_ARP; 352 else if (strcmp(optarg, "pfkey") == 0) 353 af = PF_KEY; 354 else if (strcmp(optarg, "unix") == 0 355 || strcmp(optarg, "local") == 0) 356 af = AF_LOCAL; 357 else if (strcmp(optarg, "iso") == 0) 358 af = AF_ISO; 359 else if (strcmp(optarg, "atalk") == 0) 360 af = AF_APPLETALK; 361 else 362 errx(1, "%s: unknown address family", 363 optarg); 364 break; 365 #ifndef SMALL 366 case 'g': 367 gflag = 1; 368 break; 369 #endif 370 case 'I': 371 iflag = 1; 372 interface = optarg; 373 break; 374 case 'i': 375 iflag = 1; 376 break; 377 case 'L': 378 Lflag = 1; 379 break; 380 case 'l': 381 lflag = 1; 382 break; 383 case 'M': 384 memf = optarg; 385 break; 386 case 'm': 387 mflag = 1; 388 break; 389 case 'N': 390 nlistf = optarg; 391 break; 392 case 'n': 393 nflag = 1; 394 break; 395 case 'P': 396 pcbaddr = strtoul(optarg, &cp, 16); 397 if (*cp != '\0' || errno == ERANGE) 398 errx(1, "invalid PCB address %s", 399 optarg); 400 Pflag = 1; 401 break; 402 case 'p': 403 if ((tp = name2protox(optarg)) == NULL) 404 errx(1, "%s: unknown or uninstrumented protocol", 405 optarg); 406 pflag = 1; 407 break; 408 case 'r': 409 rflag = 1; 410 break; 411 case 's': 412 ++sflag; 413 break; 414 case 't': 415 tflag = 1; 416 break; 417 case 'u': 418 af = AF_LOCAL; 419 break; 420 case 'v': 421 vflag = 1; 422 break; 423 case 'w': 424 interval = atoi(optarg); 425 iflag = 1; 426 break; 427 case '?': 428 default: 429 usage(); 430 } 431 argv += optind; 432 argc -= optind; 433 434 #define BACKWARD_COMPATIBILITY 435 #ifdef BACKWARD_COMPATIBILITY 436 if (*argv) { 437 if (isdigit(**argv)) { 438 interval = atoi(*argv); 439 if (interval <= 0) 440 usage(); 441 ++argv; 442 iflag = 1; 443 } 444 if (*argv) { 445 nlistf = *argv; 446 if (*++argv) 447 memf = *argv; 448 } 449 } 450 #endif 451 452 /* 453 * Discard setgid privileges. If not the running kernel, we toss 454 * them away totally so that bad guys can't print interesting stuff 455 * from kernel memory, otherwise switch back to kmem for the 456 * duration of the kvm_openfiles() call. 457 */ 458 if (nlistf != NULL || memf != NULL || Pflag) 459 (void)setgid(getgid()); 460 else 461 (void)setegid(egid); 462 463 if ((kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, 464 buf)) == NULL) 465 errx(1, "%s", buf); 466 467 /* do this now anyway */ 468 if (nlistf == NULL && memf == NULL) 469 (void)setgid(getgid()); 470 471 if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) { 472 if (nlistf) 473 errx(1, "%s: no namelist", nlistf); 474 else 475 errx(1, "no namelist"); 476 } 477 if (mflag) { 478 mbpr(nl[N_MBSTAT].n_value, nl[N_MSIZE].n_value, 479 nl[N_MCLBYTES].n_value, nl[N_MBPOOL].n_value, 480 nl[N_MCLPOOL].n_value); 481 exit(0); 482 } 483 if (Pflag) { 484 if (tp == NULL) { 485 /* Default to TCP. */ 486 tp = name2protox("tcp"); 487 } 488 if (tp->pr_dump) 489 (*tp->pr_dump)(pcbaddr); 490 else 491 printf("%s: no PCB dump routine\n", tp->pr_name); 492 exit(0); 493 } 494 if (pflag) { 495 if (iflag && tp->pr_istats) 496 intpr(interval, nl[N_IFNET].n_value, tp->pr_istats); 497 else if (tp->pr_stats) 498 (*tp->pr_stats)(nl[tp->pr_sindex].n_value, 499 tp->pr_name); 500 else 501 printf("%s: no stats routine\n", tp->pr_name); 502 exit(0); 503 } 504 /* 505 * Keep file descriptors open to avoid overhead 506 * of open/close on each call to get* routines. 507 */ 508 sethostent(1); 509 setnetent(1); 510 if (iflag) { 511 if (af != AF_UNSPEC) 512 goto protostat; 513 514 intpr(interval, nl[N_IFNET].n_value, NULL); 515 exit(0); 516 } 517 if (rflag) { 518 if (sflag) 519 rt_stats(nl[N_RTSTAT].n_value); 520 else 521 routepr(nl[N_RTREE].n_value); 522 exit(0); 523 } 524 #ifndef SMALL 525 if (gflag) { 526 if (sflag) { 527 if (af == AF_INET || af == AF_UNSPEC) 528 mrt_stats(nl[N_MRTPROTO].n_value, 529 nl[N_MRTSTAT].n_value); 530 #ifdef INET6 531 if (af == AF_INET6 || af == AF_UNSPEC) 532 mrt6_stats(nl[N_MRT6PROTO].n_value, 533 nl[N_MRT6STAT].n_value); 534 #endif 535 } 536 else { 537 if (af == AF_INET || af == AF_UNSPEC) 538 mroutepr(nl[N_MRTPROTO].n_value, 539 nl[N_MFCHASHTBL].n_value, 540 nl[N_MFCHASH].n_value, 541 nl[N_VIFTABLE].n_value); 542 #ifdef INET6 543 if (af == AF_INET6 || af == AF_UNSPEC) 544 mroute6pr(nl[N_MRT6PROTO].n_value, 545 nl[N_MF6CTABLE].n_value, 546 nl[N_MIF6TABLE].n_value); 547 #endif 548 } 549 exit(0); 550 } 551 #endif 552 protostat: 553 if (af == AF_INET || af == AF_UNSPEC) { 554 setprotoent(1); 555 setservent(1); 556 /* ugh, this is O(MN) ... why do we do this? */ 557 while ((p = getprotoent()) != NULL) { 558 for (tp = protox; tp->pr_name; tp++) 559 if (strcmp(tp->pr_name, p->p_name) == 0) 560 break; 561 if (tp->pr_name == 0 || tp->pr_wanted == 0) 562 continue; 563 printproto(tp, p->p_name); 564 tp->pr_wanted = 0; 565 } 566 endprotoent(); 567 for (tp = protox; tp->pr_name; tp++) 568 if (tp->pr_wanted) 569 printproto(tp, tp->pr_name); 570 } 571 #ifdef INET6 572 if (af == AF_INET6 || af == AF_UNSPEC) 573 for (tp = ip6protox; tp->pr_name; tp++) 574 printproto(tp, tp->pr_name); 575 #endif 576 if (af == AF_ARP || af == AF_UNSPEC) 577 for (tp = arpprotox; tp->pr_name; tp++) 578 printproto(tp, tp->pr_name); 579 #ifdef IPSEC 580 if (af == PF_KEY || af == AF_UNSPEC) 581 for (tp = pfkeyprotox; tp->pr_name; tp++) 582 printproto(tp, tp->pr_name); 583 #endif 584 #ifndef SMALL 585 if (af == AF_APPLETALK || af == AF_UNSPEC) 586 for (tp = atalkprotox; tp->pr_name; tp++) 587 printproto(tp, tp->pr_name); 588 if (af == AF_NS || af == AF_UNSPEC) 589 for (tp = nsprotox; tp->pr_name; tp++) 590 printproto(tp, tp->pr_name); 591 if (af == AF_ISO || af == AF_UNSPEC) 592 for (tp = isoprotox; tp->pr_name; tp++) 593 printproto(tp, tp->pr_name); 594 if ((af == AF_LOCAL || af == AF_UNSPEC) && !sflag) 595 unixpr(nl[N_UNIXSW].n_value); 596 #endif 597 exit(0); 598 } 599 600 /* 601 * Print out protocol statistics or control blocks (per sflag). 602 * If the interface was not specifically requested, and the symbol 603 * is not in the namelist, ignore this one. 604 */ 605 static void 606 printproto(tp, name) 607 struct protox *tp; 608 char *name; 609 { 610 void (*pr) __P((u_long, char *)); 611 u_long off; 612 613 if (sflag) { 614 if (iflag) { 615 if (tp->pr_istats) 616 intpr(interval, nl[N_IFNET].n_value, 617 tp->pr_istats); 618 return; 619 } 620 else { 621 pr = tp->pr_stats; 622 off = nl[tp->pr_sindex].n_value; 623 } 624 } else { 625 pr = tp->pr_cblocks; 626 off = nl[tp->pr_index].n_value; 627 } 628 if (pr != NULL && (off || af != AF_UNSPEC)) 629 (*pr)(off, name); 630 } 631 632 /* 633 * Read kernel memory, return 0 on success. 634 */ 635 int 636 kread(addr, buf, size) 637 u_long addr; 638 char *buf; 639 int size; 640 { 641 642 if (kvm_read(kvmd, addr, buf, size) != size) { 643 warnx("%s\n", kvm_geterr(kvmd)); 644 return (-1); 645 } 646 return (0); 647 } 648 649 char * 650 plural(n) 651 int n; 652 { 653 654 return (n != 1 ? "s" : ""); 655 } 656 657 char * 658 plurales(n) 659 int n; 660 { 661 662 return (n != 1 ? "es" : ""); 663 } 664 665 /* 666 * Find the protox for the given "well-known" name. 667 */ 668 static struct protox * 669 knownname(name) 670 char *name; 671 { 672 struct protox **tpp, *tp; 673 674 for (tpp = protoprotox; *tpp; tpp++) 675 for (tp = *tpp; tp->pr_name; tp++) 676 if (strcmp(tp->pr_name, name) == 0) 677 return (tp); 678 return (NULL); 679 } 680 681 /* 682 * Find the protox corresponding to name. 683 */ 684 static struct protox * 685 name2protox(name) 686 char *name; 687 { 688 struct protox *tp; 689 char **alias; /* alias from p->aliases */ 690 struct protoent *p; 691 692 /* 693 * Try to find the name in the list of "well-known" names. If that 694 * fails, check if name is an alias for an Internet protocol. 695 */ 696 if ((tp = knownname(name)) != NULL) 697 return (tp); 698 699 setprotoent(1); /* make protocol lookup cheaper */ 700 while ((p = getprotoent()) != NULL) { 701 /* assert: name not same as p->name */ 702 for (alias = p->p_aliases; *alias; alias++) 703 if (strcmp(name, *alias) == 0) { 704 endprotoent(); 705 return (knownname(p->p_name)); 706 } 707 } 708 endprotoent(); 709 return (NULL); 710 } 711 712 static void 713 usage() 714 { 715 (void)fprintf(stderr, 716 "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", __progname); 717 (void)fprintf(stderr, 718 " %s [-gimnrsv] [-f address_family] [-M core] [-N system]\n", 719 __progname); 720 (void)fprintf(stderr, 721 " %s [-n] [-I interface] [-M core] [-N system] [-w wait]\n", __progname); 722 (void)fprintf(stderr, 723 " %s [-M core] [-N system] [-p protocol]\n", __progname); 724 (void)fprintf(stderr, 725 " %s [-M core] [-N system] [-p protocol] -P pcbaddr\n", __progname); 726 exit(1); 727 } 728
Indexes created Fri Sep 26 20:09:58 GMT 2025