main.c revision 1.71
1 /* $NetBSD: main.c,v 1.71 2009/04/12 16:08:37 lukem 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1983, 1988, 1993\ 35 Regents of the University of California. All rights reserved."); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "from: @(#)main.c 8.4 (Berkeley) 3/1/94"; 41 #else 42 __RCSID("$NetBSD: main.c,v 1.71 2009/04/12 16:08:37 lukem Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/file.h> 48 #include <sys/protosw.h> 49 #include <sys/socket.h> 50 51 #include <net/if.h> 52 #include <netinet/in.h> 53 54 #include <ctype.h> 55 #include <err.h> 56 #include <errno.h> 57 #include <kvm.h> 58 #include <limits.h> 59 #include <netdb.h> 60 #include <nlist.h> 61 #include <paths.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <unistd.h> 66 #include "netstat.h" 67 68 struct nlist nl[] = { 69 #define N_MBSTAT 0 70 { "_mbstat", 0, 0, 0, 0 }, 71 #define N_IPSTAT 1 72 { "_ipstat", 0, 0, 0, 0 }, /* not available via kvm */ 73 #define N_TCBTABLE 2 74 { "_tcbtable", 0, 0, 0, 0 }, 75 #define N_TCPSTAT 3 76 { "_tcpstat", 0, 0, 0, 0 }, /* not available via kvm */ 77 #define N_UDBTABLE 4 78 { "_udbtable", 0, 0, 0, 0 }, 79 #define N_UDPSTAT 5 80 { "_udpstat", 0, 0, 0, 0 }, /* not available via kvm */ 81 #define N_IFNET 6 82 { "_ifnet", 0, 0, 0, 0 }, 83 #define N_IMP 7 84 { "_imp_softc", 0, 0, 0, 0 }, 85 #define N_ICMPSTAT 8 86 { "_icmpstat", 0, 0, 0, 0 }, /* not available via kvm */ 87 #define N_RTSTAT 9 88 { "_rtstat", 0, 0, 0, 0 }, 89 #define N_UNIXSW 10 90 { "_unixsw", 0, 0, 0, 0 }, 91 #define N_CLNPSTAT 11 92 { "_clnp_stat", 0, 0, 0, 0 }, 93 #define IN_NOTUSED 12 94 { "_tp_inpcb", 0, 0, 0, 0 }, 95 #define ISO_TP 13 96 { "_tp_refinfo", 0, 0, 0, 0 }, 97 #define N_TPSTAT 14 98 { "_tp_stat", 0, 0, 0, 0 }, 99 #define N_ESISSTAT 15 100 { "_esis_stat", 0, 0, 0, 0 }, 101 #define N_NIMP 16 102 { "_nimp", 0, 0, 0, 0 }, 103 #define N_RTREE 17 104 { "_rt_tables", 0, 0, 0, 0 }, 105 #define N_CLTP 18 106 { "_cltb", 0, 0, 0, 0 }, 107 #define N_CLTPSTAT 19 108 { "_cltpstat", 0, 0, 0, 0 }, 109 #define N_NFILE 20 110 { "_nfile", 0, 0, 0, 0 }, 111 #define N_FILE 21 112 { "_file", 0, 0, 0, 0 }, 113 #define N_IGMPSTAT 22 114 { "_igmpstat", 0, 0, 0, 0 }, /* not available via kvm */ 115 #define N_MRTPROTO 23 116 { "_ip_mrtproto", 0, 0, 0, 0 }, 117 #define N_MRTSTAT 24 118 { "_mrtstat", 0, 0, 0, 0 }, 119 #define N_MFCHASHTBL 25 120 { "_mfchashtbl", 0, 0, 0, 0 }, 121 #define N_MFCHASH 26 122 { "_mfchash", 0, 0, 0, 0 }, 123 #define N_VIFTABLE 27 124 { "_viftable", 0, 0, 0, 0 }, 125 #define N_MSIZE 28 126 { "_msize", 0, 0, 0, 0 }, 127 #define N_MCLBYTES 29 128 { "_mclbytes", 0, 0, 0, 0 }, 129 #define N_DDPSTAT 30 130 { "_ddpstat", 0, 0, 0, 0 }, /* not available via kvm */ 131 #define N_DDPCB 31 132 { "_ddpcb", 0, 0, 0, 0 }, 133 #define N_MBPOOL 32 134 { "_mbpool", 0, 0, 0, 0 }, 135 #define N_MCLPOOL 33 136 { "_mclpool", 0, 0, 0, 0 }, 137 #define N_DIVPCB 34 138 { "_divcb", 0, 0, 0, 0 }, 139 #define N_DIVSTAT 35 140 { "_divstat", 0, 0, 0, 0 }, 141 #define N_IP6STAT 36 142 { "_ip6stat", 0, 0, 0, 0 }, /* not available via kvm */ 143 #define N_TCP6STAT 37 144 { "_tcp6stat", 0, 0, 0, 0 }, /* not available via kvm */ 145 #define N_UDP6STAT 38 146 { "_udp6stat", 0, 0, 0, 0 }, /* not available via kvm */ 147 #define N_ICMP6STAT 39 148 { "_icmp6stat", 0, 0, 0, 0 }, /* not available via kvm */ 149 #define N_IPSECSTAT 40 150 { "_ipsecstat", 0, 0, 0, 0 }, /* not available via kvm */ 151 #define N_IPSEC6STAT 41 152 { "_ipsec6stat", 0, 0, 0, 0 }, /* not available via kvm */ 153 #define N_PIM6STAT 42 154 { "_pim6stat", 0, 0, 0, 0 }, /* not available via kvm */ 155 #define N_MRT6PROTO 43 156 { "_ip6_mrtproto", 0, 0, 0, 0 }, 157 #define N_MRT6STAT 44 158 { "_mrt6stat", 0, 0, 0, 0 }, 159 #define N_MF6CTABLE 45 160 { "_mf6ctable", 0, 0, 0, 0 }, 161 #define N_MIF6TABLE 46 162 { "_mif6table", 0, 0, 0, 0 }, 163 #define N_PFKEYSTAT 47 164 { "_pfkeystat", 0, 0, 0, 0 }, /* not available via kvm */ 165 #define N_ARPSTAT 48 166 { "_arpstat", 0, 0, 0, 0 }, /* not available via kvm */ 167 #define N_RIP6STAT 49 168 { "_rip6stat", 0, 0, 0, 0 }, /* not available via kvm */ 169 #define N_ARPINTRQ 50 170 { "_arpintrq", 0, 0, 0, 0 }, 171 #define N_IPINTRQ 51 172 { "_ipintrq", 0, 0, 0, 0 }, 173 #define N_IP6INTRQ 52 174 { "_ip6intrq", 0, 0, 0, 0 }, 175 #define N_ATINTRQ1 53 176 { "_atintrq1", 0, 0, 0, 0 }, 177 #define N_ATINTRQ2 54 178 { "_atintrq2", 0, 0, 0, 0 }, 179 #define N_NSINTRQ 55 180 { "_nsintrq", 0, 0, 0, 0 }, 181 #define N_CLNLINTRQ 56 182 { "_clnlintrq", 0, 0, 0, 0 }, 183 #define N_LLCINTRQ 57 184 { "_llcintrq", 0, 0, 0, 0 }, 185 #define N_HDINTRQ 58 186 { "_hdintrq", 0, 0, 0, 0 }, 187 #define N_NATMINTRQ 59 188 { "_natmintrq", 0, 0, 0, 0 }, 189 #define N_PPPOEDISCINQ 61 190 { "_ppoediscinq", 0, 0, 0, 0 }, 191 #define N_PPPOEINQ 61 192 { "_ppoeinq", 0, 0, 0, 0 }, 193 #define N_PKINTRQ 62 194 { "_pkintrq", 0, 0, 0, 0 }, 195 #define N_HARDCLOCK_TICKS 63 196 { "_hardclock_ticks", 0, 0, 0, 0 }, 197 #define N_PIMSTAT 64 198 { "_pimstat", 0, 0, 0, 0 }, 199 #define N_CARPSTAT 65 200 { "_carpstats", 0, 0, 0, 0 }, /* not available via kvm */ 201 { "", 0, 0, 0, 0 }, 202 }; 203 204 struct protox { 205 u_char pr_index; /* index into nlist of cb head */ 206 u_char pr_sindex; /* index into nlist of stat block */ 207 u_char pr_wanted; /* 1 if wanted, 0 otherwise */ 208 void (*pr_cblocks) /* control blocks printing routine */ 209 __P((u_long, const char *)); 210 void (*pr_stats) /* statistics printing routine */ 211 __P((u_long, const char *)); 212 void (*pr_istats) 213 __P((const char *)); /* per/if statistics printing routine */ 214 void (*pr_dump) /* PCB state dump routine */ 215 __P((u_long)); 216 const char *pr_name; /* well-known name */ 217 } protox[] = { 218 { N_TCBTABLE, N_TCPSTAT, 1, protopr, 219 tcp_stats, NULL, tcp_dump, "tcp" }, 220 { N_UDBTABLE, N_UDPSTAT, 1, protopr, 221 udp_stats, NULL, 0, "udp" }, 222 { -1, N_IPSTAT, 1, 0, 223 ip_stats, NULL, 0, "ip" }, 224 { -1, N_ICMPSTAT, 1, 0, 225 icmp_stats, NULL, 0, "icmp" }, 226 { -1, N_IGMPSTAT, 1, 0, 227 igmp_stats, NULL, 0, "igmp" }, 228 { -1, N_CARPSTAT, 1, 0, 229 carp_stats, NULL, 0, "carp" }, 230 #ifdef IPSEC 231 { -1, N_IPSECSTAT, 1, 0, 232 ipsec_switch, NULL, 0, "ipsec" }, 233 #endif 234 { -1, N_PIMSTAT, 1, 0, 235 pim_stats, NULL, 0, "pim" }, 236 { -1, -1, 0, 0, 237 0, NULL, 0, 0 } 238 }; 239 240 #ifdef INET6 241 struct protox ip6protox[] = { 242 { -1, N_IP6STAT, 1, 0, 243 ip6_stats, ip6_ifstats, 0, "ip6" }, 244 { -1, N_ICMP6STAT, 1, 0, 245 icmp6_stats, icmp6_ifstats, 0, "icmp6" }, 246 #ifdef TCP6 247 { N_TCBTABLE, N_TCP6STAT, 1, ip6protopr, 248 tcp6_stats, NULL, tcp6_dump, "tcp6" }, 249 #else 250 { N_TCBTABLE, N_TCP6STAT, 1, ip6protopr, 251 tcp_stats, NULL, tcp_dump, "tcp6" }, 252 #endif 253 { N_UDBTABLE, N_UDP6STAT, 1, ip6protopr, 254 udp6_stats, NULL, 0, "udp6" }, 255 #ifdef IPSEC 256 { -1, N_IPSEC6STAT, 1, 0, 257 ipsec_switch, NULL, 0, "ipsec6" }, 258 #endif 259 { -1, N_PIM6STAT, 1, 0, 260 pim6_stats, NULL, 0, "pim6" }, 261 { -1, N_RIP6STAT, 1, 0, 262 rip6_stats, NULL, 0, "rip6" }, 263 { -1, -1, 0, 0, 264 0, NULL, 0, 0 } 265 }; 266 #endif 267 268 struct protox arpprotox[] = { 269 { -1, N_ARPSTAT, 1, 0, 270 arp_stats, NULL, 0, "arp" }, 271 { -1, -1, 0, 0, 272 0, NULL, 0, 0 } 273 }; 274 275 #ifdef IPSEC 276 struct protox pfkeyprotox[] = { 277 { -1, N_PFKEYSTAT, 1, 0, 278 pfkey_stats, NULL, 0, "pfkey" }, 279 { -1, -1, 0, 0, 280 0, NULL, 0, 0 } 281 }; 282 #endif 283 284 #ifndef SMALL 285 struct protox atalkprotox[] = { 286 { N_DDPCB, N_DDPSTAT, 1, atalkprotopr, 287 ddp_stats, NULL, 0, "ddp" }, 288 { -1, -1, 0, 0, 289 0, NULL, 0, NULL } 290 }; 291 292 struct protox isoprotox[] = { 293 { ISO_TP, N_TPSTAT, 1, iso_protopr, 294 tp_stats, NULL, 0, "tp" }, 295 { N_CLTP, N_CLTPSTAT, 1, iso_protopr, 296 cltp_stats, NULL, 0, "cltp" }, 297 { -1, N_CLNPSTAT, 1, 0, 298 clnp_stats, NULL, 0, "clnp"}, 299 { -1, N_ESISSTAT, 1, 0, 300 esis_stats, NULL, 0, "esis"}, 301 { -1, -1, 0, 0, 302 0, NULL, 0, 0 } 303 }; 304 #endif 305 306 struct protox *protoprotox[] = { protox, 307 #ifdef INET6 308 ip6protox, 309 #endif 310 arpprotox, 311 #ifdef IPSEC 312 pfkeyprotox, 313 #endif 314 #ifndef SMALL 315 atalkprotox, 316 isoprotox, 317 #endif 318 NULL }; 319 320 const struct softintrq { 321 const char *siq_name; 322 int siq_index; 323 } softintrq[] = { 324 { "arpintrq", N_ARPINTRQ }, 325 { "ipintrq", N_IPINTRQ }, 326 { "ip6intrq", N_IP6INTRQ }, 327 { "atintrq1", N_ATINTRQ1 }, 328 { "atintrq2", N_ATINTRQ2 }, 329 { "clnlintrq", N_CLNLINTRQ }, 330 { "llcintrq", N_LLCINTRQ }, 331 { "hdintrq", N_HDINTRQ }, 332 { "natmintrq", N_NATMINTRQ }, 333 { "ppoediscinq", N_PPPOEDISCINQ }, 334 { "ppoeinq", N_PPPOEINQ }, 335 { "pkintrq", N_PKINTRQ }, 336 { NULL, -1 }, 337 }; 338 339 int main __P((int, char *[])); 340 static void printproto __P((struct protox *, const char *)); 341 static void print_softintrq __P((void)); 342 static void usage __P((void)); 343 static struct protox *name2protox __P((const char *)); 344 static struct protox *knownname __P((const char *)); 345 static void prepare(char *, char *, struct protox *tp); 346 347 kvm_t *kvmd; 348 gid_t egid; 349 int interval; /* repeat interval for i/f stats */ 350 351 void 352 prepare(char *nlistf, char *memf, struct protox *tp) 353 { 354 char buf[_POSIX2_LINE_MAX]; 355 356 /* 357 * Try to figure out if we can use sysctl or not. 358 */ 359 if (nlistf != NULL && memf != NULL) { 360 /* If we have -M and -N, we're not dealing with live memory. */ 361 use_sysctl = 0; 362 } else if (qflag || 363 rflag || 364 iflag || 365 #ifndef SMALL 366 gflag || 367 (pflag && tp->pr_sindex == N_TPSTAT) || 368 (pflag && tp->pr_sindex == N_CLTPSTAT) || 369 (pflag && tp->pr_sindex == N_CLNPSTAT) || 370 (pflag && tp->pr_sindex == N_ESISSTAT) || 371 #endif 372 (pflag && tp->pr_sindex == N_PIMSTAT) || 373 Pflag) { 374 /* These flags are not yet supported via sysctl(3). */ 375 use_sysctl = 0; 376 } else { 377 /* We can use sysctl(3). */ 378 use_sysctl = 1; 379 } 380 381 if (!use_sysctl) { 382 (void)setegid(egid); 383 kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf); 384 (void)setgid(getgid()); 385 if (kvmd == NULL) 386 err(1, "kvm error: %s", buf); 387 388 if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0) { 389 if (nlistf) 390 errx(1, "%s: no namelist", nlistf); 391 else 392 errx(1, "no namelist"); 393 } 394 } else 395 (void)setgid(getgid()); 396 } 397 398 int 399 main(argc, argv) 400 int argc; 401 char *argv[]; 402 { 403 struct protoent *p; 404 struct protox *tp; /* for printing cblocks & stats */ 405 int ch; 406 char *nlistf = NULL, *memf = NULL; 407 char *cp; 408 u_long pcbaddr; 409 410 egid = getegid(); 411 (void)setegid(getgid()); 412 tp = NULL; 413 af = AF_UNSPEC; 414 pcbaddr = 0; 415 416 while ((ch = getopt(argc, argv, 417 "AabBdf:ghI:LliM:mN:nP:p:qrsStuvw:")) != -1) 418 switch (ch) { 419 case 'A': 420 Aflag = 1; 421 break; 422 case 'a': 423 aflag = 1; 424 break; 425 case 'b': 426 bflag = 1; 427 break; 428 case 'B': 429 Bflag = 1; 430 break; 431 case 'd': 432 dflag = 1; 433 break; 434 case 'f': 435 if (strcmp(optarg, "inet") == 0) 436 af = AF_INET; 437 else if (strcmp(optarg, "inet6") == 0) 438 af = AF_INET6; 439 else if (strcmp(optarg, "arp") == 0) 440 af = AF_ARP; 441 else if (strcmp(optarg, "pfkey") == 0) 442 af = PF_KEY; 443 else if (strcmp(optarg, "unix") == 0 444 || strcmp(optarg, "local") == 0) 445 af = AF_LOCAL; 446 else if (strcmp(optarg, "iso") == 0) 447 af = AF_ISO; 448 else if (strcmp(optarg, "atalk") == 0) 449 af = AF_APPLETALK; 450 else 451 errx(1, "%s: unknown address family", 452 optarg); 453 break; 454 #ifndef SMALL 455 case 'g': 456 gflag = 1; 457 break; 458 #endif 459 case 'I': 460 iflag = 1; 461 interface = optarg; 462 break; 463 case 'i': 464 iflag = 1; 465 break; 466 case 'L': 467 Lflag = 1; 468 break; 469 case 'l': 470 lflag = 1; 471 break; 472 case 'M': 473 memf = optarg; 474 break; 475 case 'm': 476 mflag = 1; 477 break; 478 case 'N': 479 nlistf = optarg; 480 break; 481 case 'n': 482 numeric_addr = numeric_port = nflag = 1; 483 break; 484 case 'P': 485 errno = 0; 486 pcbaddr = strtoul(optarg, &cp, 16); 487 if (*cp != '\0' || errno == ERANGE) 488 errx(1, "invalid PCB address %s", 489 optarg); 490 Pflag = 1; 491 break; 492 case 'p': 493 if ((tp = name2protox(optarg)) == NULL) 494 errx(1, "%s: unknown or uninstrumented protocol", 495 optarg); 496 pflag = 1; 497 break; 498 case 'q': 499 qflag = 1; 500 break; 501 case 'r': 502 rflag = 1; 503 break; 504 case 's': 505 ++sflag; 506 break; 507 case 'S': 508 numeric_addr = 1; 509 break; 510 case 't': 511 tflag = 1; 512 break; 513 case 'u': 514 af = AF_LOCAL; 515 break; 516 case 'v': 517 vflag++; 518 break; 519 case 'w': 520 interval = atoi(optarg); 521 iflag = 1; 522 break; 523 case '?': 524 default: 525 usage(); 526 } 527 argv += optind; 528 argc -= optind; 529 530 #define BACKWARD_COMPATIBILITY 531 #ifdef BACKWARD_COMPATIBILITY 532 if (*argv) { 533 if (isdigit((unsigned char)**argv)) { 534 interval = atoi(*argv); 535 if (interval <= 0) 536 usage(); 537 ++argv; 538 iflag = 1; 539 } 540 if (*argv) { 541 nlistf = *argv; 542 if (*++argv) 543 memf = *argv; 544 } 545 } 546 #endif 547 548 prepare(nlistf, memf, tp); 549 550 #ifndef SMALL 551 if (Bflag) { 552 if (sflag) 553 bpf_stats(); 554 else 555 bpf_dump(interface); 556 exit(0); 557 } 558 #endif 559 560 if (mflag) { 561 mbpr(nl[N_MBSTAT].n_value, nl[N_MSIZE].n_value, 562 nl[N_MCLBYTES].n_value, nl[N_MBPOOL].n_value, 563 nl[N_MCLPOOL].n_value); 564 exit(0); 565 } 566 if (Pflag) { 567 if (tp == NULL) { 568 /* Default to TCP. */ 569 tp = name2protox("tcp"); 570 } 571 if (tp->pr_dump) 572 (*tp->pr_dump)(pcbaddr); 573 else 574 printf("%s: no PCB dump routine\n", tp->pr_name); 575 exit(0); 576 } 577 if (pflag) { 578 if (iflag && tp->pr_istats) 579 intpr(interval, nl[N_IFNET].n_value, tp->pr_istats); 580 else if (tp->pr_stats) 581 (*tp->pr_stats)(nl[tp->pr_sindex].n_value, 582 tp->pr_name); 583 else 584 printf("%s: no stats routine\n", tp->pr_name); 585 exit(0); 586 } 587 if (qflag) { 588 print_softintrq(); 589 exit(0); 590 } 591 /* 592 * Keep file descriptors open to avoid overhead 593 * of open/close on each call to get* routines. 594 */ 595 sethostent(1); 596 setnetent(1); 597 if (iflag) { 598 if (af != AF_UNSPEC) 599 goto protostat; 600 601 intpr(interval, nl[N_IFNET].n_value, NULL); 602 exit(0); 603 } 604 if (rflag) { 605 if (sflag) 606 rt_stats(use_sysctl ? 0 : nl[N_RTSTAT].n_value); 607 else { 608 if (use_sysctl) 609 p_rttables(af); 610 else 611 routepr(nl[N_RTREE].n_value); 612 } 613 exit(0); 614 } 615 #ifndef SMALL 616 if (gflag) { 617 if (sflag) { 618 if (af == AF_INET || af == AF_UNSPEC) 619 mrt_stats(nl[N_MRTPROTO].n_value, 620 nl[N_MRTSTAT].n_value); 621 #ifdef INET6 622 if (af == AF_INET6 || af == AF_UNSPEC) 623 mrt6_stats(nl[N_MRT6PROTO].n_value, 624 nl[N_MRT6STAT].n_value); 625 #endif 626 } 627 else { 628 if (af == AF_INET || af == AF_UNSPEC) 629 mroutepr(nl[N_MRTPROTO].n_value, 630 nl[N_MFCHASHTBL].n_value, 631 nl[N_MFCHASH].n_value, 632 nl[N_VIFTABLE].n_value); 633 #ifdef INET6 634 if (af == AF_INET6 || af == AF_UNSPEC) 635 mroute6pr(nl[N_MRT6PROTO].n_value, 636 nl[N_MF6CTABLE].n_value, 637 nl[N_MIF6TABLE].n_value); 638 #endif 639 } 640 exit(0); 641 } 642 #endif 643 protostat: 644 if (af == AF_INET || af == AF_UNSPEC) { 645 setprotoent(1); 646 setservent(1); 647 /* ugh, this is O(MN) ... why do we do this? */ 648 while ((p = getprotoent()) != NULL) { 649 for (tp = protox; tp->pr_name; tp++) 650 if (strcmp(tp->pr_name, p->p_name) == 0) 651 break; 652 if (tp->pr_name == 0 || tp->pr_wanted == 0) 653 continue; 654 printproto(tp, p->p_name); 655 tp->pr_wanted = 0; 656 } 657 endprotoent(); 658 for (tp = protox; tp->pr_name; tp++) 659 if (tp->pr_wanted) 660 printproto(tp, tp->pr_name); 661 } 662 #ifdef INET6 663 if (af == AF_INET6 || af == AF_UNSPEC) 664 for (tp = ip6protox; tp->pr_name; tp++) 665 printproto(tp, tp->pr_name); 666 #endif 667 if (af == AF_ARP || af == AF_UNSPEC) 668 for (tp = arpprotox; tp->pr_name; tp++) 669 printproto(tp, tp->pr_name); 670 #ifdef IPSEC 671 if (af == PF_KEY || af == AF_UNSPEC) 672 for (tp = pfkeyprotox; tp->pr_name; tp++) 673 printproto(tp, tp->pr_name); 674 #endif 675 #ifndef SMALL 676 if (af == AF_APPLETALK || af == AF_UNSPEC) 677 for (tp = atalkprotox; tp->pr_name; tp++) 678 printproto(tp, tp->pr_name); 679 if (af == AF_ISO || af == AF_UNSPEC) 680 for (tp = isoprotox; tp->pr_name; tp++) 681 printproto(tp, tp->pr_name); 682 if ((af == AF_LOCAL || af == AF_UNSPEC) && !sflag) 683 unixpr(nl[N_UNIXSW].n_value); 684 #endif 685 exit(0); 686 } 687 688 /* 689 * Print out protocol statistics or control blocks (per sflag). 690 * If the interface was not specifically requested, and the symbol 691 * is not in the namelist, ignore this one. 692 */ 693 static void 694 printproto(tp, name) 695 struct protox *tp; 696 const char *name; 697 { 698 void (*pr) __P((u_long, const char *)); 699 u_long off; 700 701 if (sflag) { 702 if (iflag) { 703 if (tp->pr_istats) 704 intpr(interval, nl[N_IFNET].n_value, 705 tp->pr_istats); 706 return; 707 } 708 else { 709 pr = tp->pr_stats; 710 off = nl[tp->pr_sindex].n_value; 711 } 712 } else { 713 pr = tp->pr_cblocks; 714 off = nl[tp->pr_index].n_value; 715 } 716 if (pr != NULL && ((off || af != AF_UNSPEC) || use_sysctl)) { 717 (*pr)(off, name); 718 } 719 } 720 721 /* 722 * Print softintrq status. 723 */ 724 void 725 print_softintrq() 726 { 727 struct ifqueue intrq, *ifq = &intrq; 728 const struct softintrq *siq; 729 u_long off; 730 731 for (siq = softintrq; siq->siq_name != NULL; siq++) { 732 off = nl[siq->siq_index].n_value; 733 if (off == 0) 734 continue; 735 736 kread(off, (char *)ifq, sizeof(*ifq)); 737 printf("%s:\n", siq->siq_name); 738 printf("\tqueue length: %d\n", ifq->ifq_len); 739 printf("\tmaximum queue length: %d\n", ifq->ifq_maxlen); 740 printf("\tpackets dropped: %d\n", ifq->ifq_drops); 741 } 742 } 743 744 /* 745 * Read kernel memory, return 0 on success. 746 */ 747 int 748 kread(addr, buf, size) 749 u_long addr; 750 char *buf; 751 int size; 752 { 753 754 if (kvm_read(kvmd, addr, buf, size) != size) { 755 warnx("%s", kvm_geterr(kvmd)); 756 return (-1); 757 } 758 return (0); 759 } 760 761 const char * 762 plural(n) 763 int n; 764 { 765 766 return (n != 1 ? "s" : ""); 767 } 768 769 const char * 770 plurales(n) 771 int n; 772 { 773 774 return (n != 1 ? "es" : ""); 775 } 776 777 int 778 get_hardticks(void) 779 { 780 int hardticks; 781 782 kread(nl[N_HARDCLOCK_TICKS].n_value, (char *)&hardticks, 783 sizeof(hardticks)); 784 return (hardticks); 785 } 786 787 /* 788 * Find the protox for the given "well-known" name. 789 */ 790 static struct protox * 791 knownname(name) 792 const char *name; 793 { 794 struct protox **tpp, *tp; 795 796 for (tpp = protoprotox; *tpp; tpp++) 797 for (tp = *tpp; tp->pr_name; tp++) 798 if (strcmp(tp->pr_name, name) == 0) 799 return (tp); 800 return (NULL); 801 } 802 803 /* 804 * Find the protox corresponding to name. 805 */ 806 static struct protox * 807 name2protox(name) 808 const char *name; 809 { 810 struct protox *tp; 811 char **alias; /* alias from p->aliases */ 812 struct protoent *p; 813 814 /* 815 * Try to find the name in the list of "well-known" names. If that 816 * fails, check if name is an alias for an Internet protocol. 817 */ 818 if ((tp = knownname(name)) != NULL) 819 return (tp); 820 821 setprotoent(1); /* make protocol lookup cheaper */ 822 while ((p = getprotoent()) != NULL) { 823 /* assert: name not same as p->name */ 824 for (alias = p->p_aliases; *alias; alias++) 825 if (strcmp(name, *alias) == 0) { 826 endprotoent(); 827 return (knownname(p->p_name)); 828 } 829 } 830 endprotoent(); 831 return (NULL); 832 } 833 834 static void 835 usage() 836 { 837 const char *progname = getprogname(); 838 839 (void)fprintf(stderr, 840 "usage: %s [-Aan] [-f address_family] [-M core] [-N system]\n", progname); 841 (void)fprintf(stderr, 842 " %s [-bdgiLmnqrsSv] [-f address_family] [-M core] [-N system]\n", 843 progname); 844 (void)fprintf(stderr, 845 " %s [-dn] [-I interface] [-M core] [-N system] [-w wait]\n", progname); 846 (void)fprintf(stderr, 847 " %s [-p protocol] [-M core] [-N system]\n", progname); 848 (void)fprintf(stderr, 849 " %s [-p protocol] [-M core] [-N system] -P pcbaddr\n", progname); 850 (void)fprintf(stderr, 851 " %s [-p protocol] [-i] [-I Interface] \n", progname); 852 (void)fprintf(stderr, 853 " %s [-s] [-f address_family] [-i] [-I Interface]\n", progname); 854 (void)fprintf(stderr, 855 " %s [-s] [-B] [-I interface]\n", progname); 856 exit(1); 857 } 858
Indexes created Fri Sep 26 20:09:58 GMT 2025