sysctl.c revision 1.80
1/* $OpenBSD: sysctl.c,v 1.80 2002/05/26 07:55:01 matthieu Exp $ */ 2/* $NetBSD: sysctl.c,v 1.9 1995/09/30 07:12:50 thorpej Exp $ */ 3 4/* 5 * Copyright (c) 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#ifndef lint 38static char copyright[] = 39"@(#) Copyright (c) 1993\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41#endif /* not lint */ 42 43#ifndef lint 44#if 0 45static char sccsid[] = "@(#)sysctl.c 8.5 (Berkeley) 5/9/95"; 46#else 47static char *rcsid = "$OpenBSD: sysctl.c,v 1.80 2002/05/26 07:55:01 matthieu Exp $"; 48#endif 49#endif /* not lint */ 50 51#include <sys/param.h> 52#include <sys/gmon.h> 53#include <sys/mount.h> 54#include <sys/stat.h> 55#include <sys/sysctl.h> 56#include <sys/socket.h> 57#include <sys/malloc.h> 58#include <sys/dkstat.h> 59#include <sys/uio.h> 60#include <sys/tty.h> 61#include <sys/namei.h> 62#include <machine/cpu.h> 63#include <net/route.h> 64 65#include <netinet/in.h> 66#include <netinet/in_systm.h> 67#include <netinet/ip.h> 68#include <netinet/in_pcb.h> 69#include <netinet/ip_icmp.h> 70#include <netinet/ip_ipip.h> 71#include <netinet/ip_ether.h> 72#include <netinet/ip_ah.h> 73#include <netinet/ip_esp.h> 74#include <netinet/icmp_var.h> 75#include <netinet/ip_var.h> 76#include <netinet/udp.h> 77#include <netinet/udp_var.h> 78#include <netinet/tcp.h> 79#include <netinet/tcp_timer.h> 80#include <netinet/tcp_var.h> 81#include <netinet/ip_gre.h> 82#include <netinet/ip_ipcomp.h> 83 84#ifdef INET6 85#include <netinet/ip6.h> 86#include <netinet/icmp6.h> 87#include <netinet6/ip6_var.h> 88#include <netinet6/pim6_var.h> 89#endif 90 91#include <uvm/uvm_swap_encrypt.h> 92 93#include <ufs/ufs/quota.h> 94#include <ufs/ufs/inode.h> 95#include <ufs/ffs/fs.h> 96#include <ufs/ffs/ffs_extern.h> 97 98#include <nfs/rpcv2.h> 99#include <nfs/nfsproto.h> 100#include <nfs/nfs.h> 101 102#include <netipx/ipx.h> 103#include <netipx/ipx_var.h> 104#include <netipx/spx_var.h> 105#include <ddb/db_var.h> 106#include <dev/rndvar.h> 107 108#include <err.h> 109#include <errno.h> 110#include <stdio.h> 111#include <stdlib.h> 112#include <string.h> 113#include <ctype.h> 114 115#ifdef CPU_BIOS 116#include <machine/biosvar.h> 117#endif 118 119struct ctlname topname[] = CTL_NAMES; 120struct ctlname kernname[] = CTL_KERN_NAMES; 121struct ctlname vmname[] = CTL_VM_NAMES; 122struct ctlname fsname[] = CTL_FS_NAMES; 123struct ctlname netname[] = CTL_NET_NAMES; 124struct ctlname hwname[] = CTL_HW_NAMES; 125struct ctlname username[] = CTL_USER_NAMES; 126struct ctlname debugname[CTL_DEBUG_MAXID]; 127struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES; 128struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES; 129struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES; 130struct ctlname ttyname[] = CTL_KERN_TTY_NAMES; 131struct ctlname *vfsname; 132#ifdef CTL_MACHDEP_NAMES 133struct ctlname machdepname[] = CTL_MACHDEP_NAMES; 134#endif 135struct ctlname ddbname[] = CTL_DDB_NAMES; 136char names[BUFSIZ]; 137int lastused; 138 139struct list { 140 struct ctlname *list; 141 int size; 142}; 143struct list toplist = { topname, CTL_MAXID }; 144struct list secondlevel[] = { 145 { 0, 0 }, /* CTL_UNSPEC */ 146 { kernname, KERN_MAXID }, /* CTL_KERN */ 147 { vmname, VM_MAXID }, /* CTL_VM */ 148 { fsname, FS_MAXID }, /* CTL_FS */ 149 { netname, NET_MAXID }, /* CTL_NET */ 150 { 0, CTL_DEBUG_MAXID }, /* CTL_DEBUG */ 151 { hwname, HW_MAXID }, /* CTL_HW */ 152#ifdef CTL_MACHDEP_NAMES 153 { machdepname, CPU_MAXID }, /* CTL_MACHDEP */ 154#else 155 { 0, 0 }, /* CTL_MACHDEP */ 156#endif 157 { username, USER_MAXID }, /* CTL_USER_NAMES */ 158 { ddbname, DBCTL_MAXID }, /* CTL_DDB_NAMES */ 159 { 0, 0 }, /* CTL_VFS */ 160}; 161 162int Aflag, aflag, nflag, wflag; 163 164/* 165 * Variables requiring special processing. 166 */ 167#define CLOCK 0x00000001 168#define BOOTTIME 0x00000002 169#define CHRDEV 0x00000004 170#define BLKDEV 0x00000008 171#define RNDSTATS 0x00000010 172#define BADDYNAMIC 0x00000020 173#define BIOSGEO 0x00000040 174#define BIOSDEV 0x00000080 175#define MAJ2DEV 0x00000100 176#define UNSIGNED 0x00000200 177#define KMEMBUCKETS 0x00000400 178#define LONGARRAY 0x00000800 179#define KMEMSTATS 0x00001000 180 181/* prototypes */ 182void debuginit(void); 183void listall(char *, struct list *); 184void parse(char *, int); 185void parse_baddynamic(int *, size_t, char *, void **, size_t *, int, int); 186void usage(void); 187int findname(char *, char *, char **, struct list *); 188int sysctl_inet(char *, char **, int *, int, int *); 189#ifdef INET6 190int sysctl_inet6(char *, char **, int *, int, int *); 191#endif 192int sysctl_ipx(char *, char **, int *, int, int *); 193int sysctl_fs(char *, char **, int *, int, int *); 194static int sysctl_vfs(char *, char **, int[], int, int *); 195static int sysctl_vfsgen(char *, char **, int[], int, int *); 196int sysctl_bios(char *, char **, int *, int, int *); 197int sysctl_swpenc(char *, char **, int *, int, int *); 198int sysctl_forkstat(char *, char **, int *, int, int *); 199int sysctl_tty(char *, char **, int *, int, int *); 200int sysctl_nchstats(char *, char **, int *, int, int *); 201int sysctl_malloc(char *, char **, int *, int, int *); 202#ifdef CPU_CHIPSET 203int sysctl_chipset(char *, char **, int *, int, int *); 204#endif 205void vfsinit(void); 206 207int 208main(argc, argv) 209 int argc; 210 char *argv[]; 211{ 212 int ch, lvl1; 213 214 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 215 switch (ch) { 216 217 case 'A': 218 Aflag = 1; 219 break; 220 221 case 'a': 222 aflag = 1; 223 break; 224 225 case 'n': 226 nflag = 1; 227 break; 228 229 case 'w': 230 wflag = 1; 231 break; 232 233 default: 234 usage(); 235 } 236 } 237 argc -= optind; 238 argv += optind; 239 240 if (argc == 0 && (Aflag || aflag)) { 241 debuginit(); 242 vfsinit(); 243 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 244 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 245 return (0); 246 } 247 if (argc == 0) 248 usage(); 249 for (; *argv != NULL; ++argv) 250 parse(*argv, 1); 251 return (0); 252} 253 254/* 255 * List all variables known to the system. 256 */ 257void 258listall(prefix, lp) 259 char *prefix; 260 struct list *lp; 261{ 262 char *cp, name[BUFSIZ]; 263 int lvl2, len; 264 265 if (lp->list == NULL) 266 return; 267 if ((len = strlcpy(name, prefix, sizeof(name))) >= sizeof(name)) 268 warn("%s: name too long", prefix); 269 cp = name + len++; 270 *cp++ = '.'; 271 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 272 if (lp->list[lvl2].ctl_name == NULL) 273 continue; 274 if (strlcpy(cp, lp->list[lvl2].ctl_name, 275 sizeof(name) - len) >= sizeof(name) - len) 276 warn("%s: name too long", lp->list[lvl2].ctl_name); 277 parse(name, Aflag); 278 } 279} 280 281/* 282 * Parse a name into a MIB entry. 283 * Lookup and print out the MIB entry if it exists. 284 * Set a new value if requested. 285 */ 286void 287parse(string, flags) 288 char *string; 289 int flags; 290{ 291 int indx, type, state, intval, len; 292 size_t size, newsize = 0; 293 int lal = 0, special = 0; 294 void *newval = 0; 295 int64_t quadval; 296 struct list *lp; 297 int mib[CTL_MAXNAME]; 298 char *cp, *bufp, buf[BUFSIZ]; 299 300 (void)strlcpy(buf, string, sizeof(buf)); 301 bufp = buf; 302 if ((cp = strchr(string, '=')) != NULL) { 303 if (!wflag) 304 errx(2, "must specify -w to set variables"); 305 *strchr(buf, '=') = '\0'; 306 *cp++ = '\0'; 307 while (isspace(*cp)) 308 cp++; 309 newval = cp; 310 newsize = strlen(cp); 311 } 312 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 313 return; 314 mib[0] = indx; 315 if (indx == CTL_VFS) 316 vfsinit(); 317 if (indx == CTL_DEBUG) 318 debuginit(); 319 lp = &secondlevel[indx]; 320 if (lp->list == 0) { 321 warnx("%s: class is not implemented", topname[indx].ctl_name); 322 return; 323 } 324 if (bufp == NULL) { 325 listall(topname[indx].ctl_name, lp); 326 return; 327 } 328 if ((indx = findname(string, "second", &bufp, lp)) == -1) 329 return; 330 mib[1] = indx; 331 type = lp->list[indx].ctl_type; 332 len = 2; 333 switch (mib[0]) { 334 335 case CTL_KERN: 336 switch (mib[1]) { 337 case KERN_PROF: 338 mib[2] = GPROF_STATE; 339 size = sizeof(state); 340 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 341 if (flags == 0) 342 return; 343 if (!nflag) 344 (void)printf("%s: ", string); 345 (void)puts("kernel is not compiled for profiling"); 346 return; 347 } 348 if (!nflag) 349 (void)printf("%s = %s\n", string, 350 state == GMON_PROF_OFF ? "off" : "running"); 351 return; 352 case KERN_FORKSTAT: 353 sysctl_forkstat(string, &bufp, mib, flags, &type); 354 return; 355 case KERN_TTY: 356 len = sysctl_tty(string, &bufp, mib, flags, &type); 357 if (len < 0) 358 return; 359 newsize = 0; 360 break; 361 case KERN_NCHSTATS: 362 sysctl_nchstats(string, &bufp, mib, flags, &type); 363 return; 364 case KERN_MALLOCSTATS: 365 len = sysctl_malloc(string, &bufp, mib, flags, &type); 366 if (len < 0) 367 return; 368 if (mib[2] == KERN_MALLOC_BUCKET) 369 special |= KMEMBUCKETS; 370 if (mib[2] == KERN_MALLOC_KMEMSTATS) 371 special |= KMEMSTATS; 372 newsize = 0; 373 break; 374 case KERN_MSGBUF: 375 if (flags == 0) 376 return; 377 warnx("use dmesg to view %s", string); 378 return; 379 case KERN_VNODE: 380 case KERN_FILE: 381 if (flags == 0) 382 return; 383 warnx("use pstat to view %s information", string); 384 return; 385 case KERN_PROC: 386 if (flags == 0) 387 return; 388 warnx("use ps to view %s information", string); 389 return; 390 case KERN_NTPTIME: 391 if (flags == 0) 392 return; 393 warnx("use xntpdc to view %s information", string); 394 return; 395 case KERN_CLOCKRATE: 396 special |= CLOCK; 397 break; 398 case KERN_BOOTTIME: 399 special |= BOOTTIME; 400 break; 401 case KERN_RND: 402 special |= RNDSTATS; 403 break; 404 case KERN_HOSTID: 405 case KERN_ARND: 406 special |= UNSIGNED; 407 break; 408 case KERN_CPTIME: 409 special |= LONGARRAY; 410 lal = CPUSTATES; 411 break; 412 } 413 break; 414 415 case CTL_HW: 416 switch (mib[1]) { 417 case HW_DISKSTATS: 418 /* 419 * Only complain if someone asks explicitly for this, 420 * otherwise "fail" silently. 421 */ 422 if (flags) 423 warnx("use vmstat to view %s information", 424 string); 425 return; 426 } 427 break; 428 429 case CTL_VM: 430 if (mib[1] == VM_LOADAVG) { 431 double loads[3]; 432 433 getloadavg(loads, 3); 434 if (!nflag) 435 (void)printf("%s = ", string); 436 (void)printf("%.2f %.2f %.2f\n", loads[0], 437 loads[1], loads[2]); 438 return; 439 } else if (mib[1] == VM_PSSTRINGS) { 440 struct _ps_strings _ps; 441 442 size = sizeof(_ps); 443 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 444 if (flags == 0) 445 return; 446 if (!nflag) 447 (void)printf("%s: ", string); 448 (void)puts("can't find ps strings"); 449 return; 450 } 451 if (!nflag) 452 (void)printf("%s = ", string); 453 (void)printf("%p\n", _ps.val); 454 return; 455 } else if (mib[1] == VM_SWAPENCRYPT) { 456 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 457 if (len < 0) 458 return; 459 460 break; 461 } else if (mib[1] == VM_NKMEMPAGES || 462 mib[1] == VM_ANONMIN || 463 mib[1] == VM_VTEXTMIN || 464 mib[1] == VM_VNODEMIN) { 465 break; 466 } 467 if (flags == 0) 468 return; 469 warnx("use vmstat or systat to view %s information", string); 470 return; 471 472 break; 473 474 case CTL_NET: 475 if (mib[1] == PF_INET) { 476 len = sysctl_inet(string, &bufp, mib, flags, &type); 477 if (len < 0) 478 return; 479 480 if ((mib[2] == IPPROTO_TCP && 481 mib[3] == TCPCTL_BADDYNAMIC) || 482 (mib[2] == IPPROTO_UDP && 483 mib[3] == UDPCTL_BADDYNAMIC)) { 484 485 special |= BADDYNAMIC; 486 487 if (newval != NULL) 488 parse_baddynamic(mib, len, string, 489 &newval, &newsize, flags, nflag); 490 } 491 break; 492 } 493#ifdef INET6 494 if (mib[1] == PF_INET6) { 495 len = sysctl_inet6(string, &bufp, mib, flags, &type); 496 if (len < 0) 497 return; 498 499 break; 500 } 501#endif 502 if (mib[1] == PF_IPX) { 503 len = sysctl_ipx(string, &bufp, mib, flags, &type); 504 if (len >= 0) 505 break; 506 return; 507 } 508 if (flags == 0) 509 return; 510 warnx("use netstat to view %s information", string); 511 return; 512 513 case CTL_DEBUG: 514 mib[2] = CTL_DEBUG_VALUE; 515 len = 3; 516 break; 517 518 case CTL_MACHDEP: 519#ifdef CPU_CONSDEV 520 if (mib[1] == CPU_CONSDEV) 521 special |= CHRDEV; 522#endif 523#ifdef CPU_BLK2CHR 524 if (mib[1] == CPU_BLK2CHR) { 525 if (bufp == NULL) 526 return; 527 mib[2] = makedev(atoi(bufp),0); 528 bufp = NULL; 529 len = 3; 530 special |= CHRDEV; 531 break; 532 } 533#endif 534#ifdef CPU_CHR2BLK 535 if (mib[1] == CPU_CHR2BLK) { 536 if (bufp == NULL) 537 return; 538 mib[2] = makedev(atoi(bufp),0); 539 bufp = NULL; 540 len = 3; 541 special |= BLKDEV; 542 break; 543 } 544#endif 545#ifdef CPU_BIOS 546 if (mib[1] == CPU_BIOS) { 547 len = sysctl_bios(string, &bufp, mib, flags, &type); 548 if (len < 0) 549 return; 550 if (mib[2] == BIOS_DEV) 551 special |= BIOSDEV; 552 if (mib[2] == BIOS_DISKINFO) 553 special |= BIOSGEO; 554 break; 555 } 556#endif 557#ifdef CPU_CHIPSET 558 if (mib[1] == CPU_CHIPSET) { 559 len = sysctl_chipset(string, &bufp, mib, flags, &type); 560 if (len < 0) 561 return; 562 break; 563 } 564#endif 565 break; 566 567 case CTL_FS: 568 len = sysctl_fs(string, &bufp, mib, flags, &type); 569 if (len >= 0) 570 break; 571 return; 572 573 case CTL_VFS: 574 if (mib[1]) 575 len = sysctl_vfs(string, &bufp, mib, flags, &type); 576 else 577 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 578 if (len >= 0) { 579 if (type == CTLTYPE_STRUCT) { 580 if (flags) 581 warnx("use nfsstat to view %s information", 582 MOUNT_NFS); 583 return; 584 } else 585 break; 586 } 587 return; 588 589 case CTL_USER: 590 case CTL_DDB: 591 break; 592 593 default: 594 warnx("illegal top level value: %d", mib[0]); 595 return; 596 597 } 598 if (bufp) { 599 warnx("name %s in %s is unknown", bufp, string); 600 return; 601 } 602 if (newsize > 0) { 603 switch (type) { 604 case CTLTYPE_INT: 605 errno = 0; 606 if (special & UNSIGNED) 607 intval = strtoul(newval, &cp, 10); 608 else 609 intval = strtol(newval, &cp, 10); 610 if (*cp != '\0') { 611 warnx("%s: illegal value: %s", string, 612 (char *)newval); 613 return; 614 } 615 if (errno == ERANGE) { 616 warnx("%s: value %s out of range", string, 617 (char *)newval); 618 return; 619 } 620 newval = &intval; 621 newsize = sizeof(intval); 622 break; 623 624 case CTLTYPE_QUAD: 625 /* XXX - assumes sizeof(long long) == sizeof(quad_t) */ 626 (void)sscanf(newval, "%lld", (long long *)&quadval); 627 newval = &quadval; 628 newsize = sizeof(quadval); 629 break; 630 } 631 } 632 size = BUFSIZ; 633 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 634 if (flags == 0) 635 return; 636 switch (errno) { 637 case EOPNOTSUPP: 638 warnx("%s: value is not available", string); 639 return; 640 case ENOTDIR: 641 warnx("%s: specification is incomplete", string); 642 return; 643 case ENOMEM: 644 warnx("%s: type is unknown to this program", string); 645 return; 646 case ENXIO: 647 if (special & BIOSGEO) 648 return; 649 default: 650 warn("%s", string); 651 return; 652 } 653 } 654 if (special & KMEMBUCKETS) { 655 struct kmembuckets *kb = (struct kmembuckets *)buf; 656 if (!nflag) 657 (void)printf("%s = ", string); 658 printf("("); 659 printf("calls = %llu ", (long long)kb->kb_calls); 660 printf("total_allocated = %llu ", (long long)kb->kb_total); 661 printf("total_free = %lld ", (long long)kb->kb_totalfree); 662 printf("elements = %lld ", (long long)kb->kb_elmpercl); 663 printf("high watermark = %lld ", (long long)kb->kb_highwat); 664 printf("could_free = %lld", (long long)kb->kb_couldfree); 665 printf(")\n"); 666 return; 667 } 668 if (special & KMEMSTATS) { 669 struct kmemstats *km = (struct kmemstats *)buf; 670 int j, first = 1; 671 672 if (!nflag) 673 (void)printf("%s = ", string); 674 (void)printf("(inuse = %ld, calls = %ld, memuse = %ldK, limblocks = %d, mapblocks = %d, maxused = %ldK, limit = %ldK, spare = %ld, sizes = (", km->ks_inuse, km->ks_calls, (km->ks_memuse + 1023) / 1024, km->ks_limblocks, km->ks_mapblocks, (km->ks_maxused + 1023) / 1024, (km->ks_limit + 1023) / 1024, km->ks_spare); 675 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 676 if ((km->ks_size & j ) == 0) 677 continue; 678 if (first) 679 (void)printf("%d", j); 680 else 681 (void)printf(",%d", j); 682 first = 0; 683 } 684 if (first) 685 (void)printf("none"); 686 (void)printf("))\n"); 687 return; 688 } 689 if (special & CLOCK) { 690 struct clockinfo *clkp = (struct clockinfo *)buf; 691 692 if (!nflag) 693 (void)printf("%s = ", string); 694 (void)printf( 695 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 696 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 697 return; 698 } 699 if (special & BOOTTIME) { 700 struct timeval *btp = (struct timeval *)buf; 701 time_t boottime; 702 703 if (!nflag) { 704 boottime = btp->tv_sec; 705 (void)printf("%s = %s", string, ctime(&boottime)); 706 } else 707 (void)printf("%ld\n", btp->tv_sec); 708 return; 709 } 710 if (special & BLKDEV) { 711 dev_t dev = *(dev_t *)buf; 712 713 if (!nflag) 714 (void)printf("%s = %s\n", string, 715 devname(dev, S_IFBLK)); 716 else 717 (void)printf("0x%x\n", dev); 718 return; 719 } 720 if (special & CHRDEV) { 721 dev_t dev = *(dev_t *)buf; 722 723 if (!nflag) 724 (void)printf("%s = %s\n", string, 725 devname(dev, S_IFCHR)); 726 else 727 (void)printf("0x%x\n", dev); 728 return; 729 } 730#ifdef CPU_BIOS 731 if (special & BIOSGEO) { 732 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 733 734 if (!nflag) 735 (void)printf("%s = ", string); 736 (void)printf("bootdev = 0x%x, " 737 "cylinders = %u, heads = %u, sectors = %u\n", 738 pdi->bsd_dev, pdi->bios_cylinders, 739 pdi->bios_heads, pdi->bios_sectors); 740 return; 741 } 742 if (special & BIOSDEV) { 743 int dev = *(int*)buf; 744 745 if (!nflag) 746 (void)printf("%s = ", string); 747 (void) printf("0x%02x\n", dev); 748 return; 749 } 750#endif 751 if (special & UNSIGNED) { 752 if (newsize == 0) { 753 if (!nflag) 754 (void)printf("%s = ", string); 755 (void)printf("%u\n", *(u_int *)buf); 756 } else { 757 if (!nflag) 758 (void)printf("%s: %u -> ", string, 759 *(u_int *)buf); 760 (void)printf("%u\n", *(u_int *)newval); 761 } 762 return; 763 } 764 if (special & RNDSTATS) { 765 struct rndstats *rndstats = (struct rndstats *)buf; 766 int i; 767 768 if (!nflag) 769 (void)printf("%s = ", string); 770 (void)printf( 771 "%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu", 772 (unsigned long long)rndstats->rnd_total, 773 (unsigned long long)rndstats->rnd_used, 774 (unsigned long long)rndstats->rnd_reads, 775 (unsigned long long)rndstats->arc4_reads, 776 (unsigned long long)rndstats->arc4_nstirs, 777 (unsigned long long)rndstats->arc4_stirs, 778 (unsigned long long)rndstats->rnd_pad[0], 779 (unsigned long long)rndstats->rnd_pad[1], 780 (unsigned long long)rndstats->rnd_pad[2], 781 (unsigned long long)rndstats->rnd_pad[3], 782 (unsigned long long)rndstats->rnd_pad[4], 783 (unsigned long long)rndstats->rnd_waits, 784 (unsigned long long)rndstats->rnd_enqs, 785 (unsigned long long)rndstats->rnd_deqs, 786 (unsigned long long)rndstats->rnd_drops, 787 (unsigned long long)rndstats->rnd_drople); 788 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 789 (void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); 790 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 791 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); 792 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 793 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]); 794 printf("\n"); 795 return; 796 } 797 if (special & BADDYNAMIC) { 798 in_port_t port, lastport; 799 u_int32_t *baddynamic = (u_int32_t *)buf; 800 801 if (!nflag) 802 (void)printf("%s%s", string, newsize ? ": " : " = "); 803 lastport = 0; 804 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 805 if (DP_ISSET(baddynamic, port)) { 806 (void)printf("%s%hd", lastport ? "," : "", 807 port); 808 lastport = port; 809 } 810 if (newsize != 0) { 811 if (!nflag) 812 fputs(" -> ", stdout); 813 baddynamic = (u_int32_t *)newval; 814 lastport = 0; 815 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 816 port++) 817 if (DP_ISSET(baddynamic, port)) { 818 (void)printf("%s%hd", 819 lastport ? "," : "", port); 820 lastport = port; 821 } 822 } 823 (void)putchar('\n'); 824 return; 825 } 826 if (special & LONGARRAY) { 827 long *la = (long *)buf; 828 if (!nflag) 829 printf("%s = ", string); 830 while (lal--) 831 printf("%ld%s", *la++, lal? ",":""); 832 putchar('\n'); 833 return; 834 } 835 switch (type) { 836 case CTLTYPE_INT: 837 if (newsize == 0) { 838 if (!nflag) 839 (void)printf("%s = ", string); 840 (void)printf("%d\n", *(int *)buf); 841 } else { 842 if (!nflag) 843 (void)printf("%s: %d -> ", string, 844 *(int *)buf); 845 (void)printf("%d\n", *(int *)newval); 846 } 847 return; 848 849 case CTLTYPE_STRING: 850 if (newval == NULL) { 851 if (!nflag) 852 (void)printf("%s = ", string); 853 (void)puts(buf); 854 } else { 855 if (!nflag) 856 (void)printf("%s: %s -> ", string, buf); 857 (void)puts((char *)newval); 858 } 859 return; 860 861 case CTLTYPE_QUAD: 862 if (newsize == 0) { 863 long long tmp = *(quad_t *)buf; 864 865 if (!nflag) 866 (void)printf("%s = ", string); 867 (void)printf("%lld\n", tmp); 868 } else { 869 long long tmp = *(quad_t *)buf; 870 871 if (!nflag) 872 (void)printf("%s: %lld -> ", string, tmp); 873 tmp = *(quad_t *)newval; 874 (void)printf("%qd\n", tmp); 875 } 876 return; 877 878 case CTLTYPE_STRUCT: 879 warnx("%s: unknown structure returned", string); 880 return; 881 882 default: 883 case CTLTYPE_NODE: 884 warnx("%s: unknown type returned", string); 885 return; 886 } 887} 888 889void 890parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 891 int mib[]; 892 size_t len; 893 char *string; 894 void **newvalp; 895 size_t *newsizep; 896 int flags; 897 int nflag; 898{ 899 static u_int32_t newbaddynamic[DP_MAPSIZE]; 900 in_port_t port; 901 size_t size; 902 char action, *cp; 903 904 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 905 size = sizeof(newbaddynamic); 906 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 907 if (flags == 0) 908 return; 909 if (!nflag) 910 (void)printf("%s: ", string); 911 (void)puts("kernel does contain bad dynamic port tables"); 912 return; 913 } 914 915 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 916 if (*cp != '+' && *cp != '-') 917 errx(1, "cannot mix +/- with full list"); 918 action = *cp++; 919 port = atoi(cp); 920 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 921 errx(1, "invalid port, range is %d to %d", 922 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 923 if (action == '+') 924 DP_SET(newbaddynamic, port); 925 else 926 DP_CLR(newbaddynamic, port); 927 } 928 } else { 929 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 930 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 931 port = atoi(cp); 932 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 933 errx(1, "invalid port, range is %d to %d", 934 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 935 DP_SET(newbaddynamic, port); 936 } 937 } 938 939 *newvalp = (void *)newbaddynamic; 940 *newsizep = sizeof(newbaddynamic); 941} 942 943/* 944 * Initialize the set of debugging names 945 */ 946void 947debuginit() 948{ 949 int mib[3], loc, i; 950 size_t size; 951 952 if (secondlevel[CTL_DEBUG].list != 0) 953 return; 954 secondlevel[CTL_DEBUG].list = debugname; 955 mib[0] = CTL_DEBUG; 956 mib[2] = CTL_DEBUG_NAME; 957 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 958 mib[1] = i; 959 size = BUFSIZ - loc; 960 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 961 continue; 962 debugname[i].ctl_name = &names[loc]; 963 debugname[i].ctl_type = CTLTYPE_INT; 964 loc += size; 965 } 966 lastused = loc; 967} 968 969struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 970struct ctlname ffsname[] = FFS_NAMES; 971struct ctlname nfsname[] = FS_NFS_NAMES; 972struct list *vfsvars; 973int *vfs_typenums; 974 975/* 976 * Initialize the set of filesystem names 977 */ 978void 979vfsinit() 980{ 981 int mib[4], maxtypenum, cnt, loc, size; 982 struct vfsconf vfc; 983 size_t buflen; 984 985 if (secondlevel[CTL_VFS].list != 0) 986 return; 987 mib[0] = CTL_VFS; 988 mib[1] = VFS_GENERIC; 989 mib[2] = VFS_MAXTYPENUM; 990 buflen = 4; 991 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 992 return; 993 maxtypenum++; /* + generic */ 994 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 995 return; 996 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 997 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 998 free(vfs_typenums); 999 return; 1000 } 1001 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 1002 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 1003 free(vfs_typenums); 1004 free(vfsvars); 1005 return; 1006 } 1007 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 1008 mib[2] = VFS_CONF; 1009 buflen = sizeof vfc; 1010 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 1011 mib[3] = cnt - 1; 1012 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 1013 if (errno == EOPNOTSUPP) 1014 continue; 1015 warn("vfsinit"); 1016 free(vfsname); 1017 return; 1018 } 1019 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 1020 vfsvars[cnt].list = ffsname; 1021 vfsvars[cnt].size = FFS_MAXID; 1022 } 1023 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 1024 vfsvars[cnt].list = nfsname; 1025 vfsvars[cnt].size = NFS_MAXID; 1026 } 1027 vfs_typenums[cnt] = vfc.vfc_typenum; 1028 strcat(&names[loc], vfc.vfc_name); 1029 vfsname[cnt].ctl_name = &names[loc]; 1030 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1031 size = strlen(vfc.vfc_name) + 1; 1032 loc += size; 1033 } 1034 lastused = loc; 1035 1036 vfsname[0].ctl_name = "mounts"; 1037 vfsname[0].ctl_type = CTLTYPE_NODE; 1038 vfsvars[0].list = vfsname + 1; 1039 vfsvars[0].size = maxtypenum - 1; 1040 1041 secondlevel[CTL_VFS].list = vfsname; 1042 secondlevel[CTL_VFS].size = maxtypenum; 1043 return; 1044} 1045 1046int 1047sysctl_vfsgen(string, bufpp, mib, flags, typep) 1048 char *string; 1049 char **bufpp; 1050 int mib[]; 1051 int flags; 1052 int *typep; 1053{ 1054 int indx; 1055 size_t size; 1056 struct vfsconf vfc; 1057 1058 if (*bufpp == NULL) { 1059 listall(string, vfsvars); 1060 return (-1); 1061 } 1062 1063 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1064 return (-1); 1065 1066 mib[1] = VFS_GENERIC; 1067 mib[2] = VFS_CONF; 1068 mib[3] = indx; 1069 size = sizeof vfc; 1070 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1071 if (errno != EOPNOTSUPP) 1072 warn("vfs print"); 1073 return -1; 1074 } 1075 if (flags == 0 && vfc.vfc_refcount == 0) 1076 return -1; 1077 if (!nflag) 1078 fprintf(stdout, "%s has %d mounted instance%s\n", 1079 string, vfc.vfc_refcount, 1080 vfc.vfc_refcount != 1 ? "s" : ""); 1081 else 1082 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1083 1084 return -1; 1085} 1086 1087int 1088sysctl_vfs(string, bufpp, mib, flags, typep) 1089 char *string; 1090 char **bufpp; 1091 int mib[]; 1092 int flags; 1093 int *typep; 1094{ 1095 struct list *lp = &vfsvars[mib[1]]; 1096 int indx; 1097 1098 if (lp->list == NULL) { 1099 if (flags) 1100 warnx("No variables defined for file system %s", string); 1101 return(-1); 1102 } 1103 if (*bufpp == NULL) { 1104 listall(string, lp); 1105 return (-1); 1106 } 1107 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1108 return (-1); 1109 1110 mib[1] = vfs_typenums[mib[1]]; 1111 mib[2] = indx; 1112 *typep = lp->list[indx].ctl_type; 1113 return (3); 1114} 1115 1116struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1117struct list fslist = { posixname, FS_POSIX_MAXID }; 1118 1119/* 1120 * handle file system requests 1121 */ 1122int 1123sysctl_fs(string, bufpp, mib, flags, typep) 1124 char *string; 1125 char **bufpp; 1126 int mib[]; 1127 int flags; 1128 int *typep; 1129{ 1130 int indx; 1131 1132 if (*bufpp == NULL) { 1133 listall(string, &fslist); 1134 return(-1); 1135 } 1136 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1137 return(-1); 1138 mib[2] = indx; 1139 *typep = fslist.list[indx].ctl_type; 1140 return(3); 1141} 1142 1143#ifdef CPU_BIOS 1144struct ctlname biosname[] = CTL_BIOS_NAMES; 1145struct list bioslist = { biosname, BIOS_MAXID }; 1146 1147/* 1148 * handle BIOS requests 1149 */ 1150int 1151sysctl_bios(string, bufpp, mib, flags, typep) 1152 char *string; 1153 char **bufpp; 1154 int mib[]; 1155 int flags; 1156 int *typep; 1157{ 1158 char *name; 1159 int indx; 1160 1161 if (*bufpp == NULL) { 1162 listall(string, &bioslist); 1163 return(-1); 1164 } 1165 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1166 return(-1); 1167 mib[2] = indx; 1168 if (indx == BIOS_DISKINFO) { 1169 if (*bufpp == NULL) { 1170 char name[BUFSIZ]; 1171 1172 /* scan all the bios devices */ 1173 for (indx = 0; indx < 256; indx++) { 1174 snprintf(name, sizeof(name), "%s.%u", 1175 string, indx); 1176 parse(name, 1); 1177 } 1178 return(-1); 1179 } 1180 if ((name = strsep(bufpp, ".")) == NULL) { 1181 warnx("%s: incomplete specification", string); 1182 return(-1); 1183 } 1184 mib[3] = atoi(name); 1185 *typep = CTLTYPE_STRUCT; 1186 return(4); 1187 } else { 1188 *typep = bioslist.list[indx].ctl_type; 1189 return(3); 1190 } 1191} 1192#endif 1193 1194struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1195struct list swpenclist = { swpencname, SWPENC_MAXID }; 1196 1197/* 1198 * handle swap encrypt requests 1199 */ 1200int 1201sysctl_swpenc(string, bufpp, mib, flags, typep) 1202 char *string; 1203 char **bufpp; 1204 int mib[]; 1205 int flags; 1206 int *typep; 1207{ 1208 int indx; 1209 1210 if (*bufpp == NULL) { 1211 listall(string, &swpenclist); 1212 return(-1); 1213 } 1214 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1215 return(-1); 1216 mib[2] = indx; 1217 *typep = swpenclist.list[indx].ctl_type; 1218 return(3); 1219} 1220 1221struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1222struct ctlname ipname[] = IPCTL_NAMES; 1223struct ctlname icmpname[] = ICMPCTL_NAMES; 1224struct ctlname ipipname[] = IPIPCTL_NAMES; 1225struct ctlname tcpname[] = TCPCTL_NAMES; 1226struct ctlname udpname[] = UDPCTL_NAMES; 1227struct ctlname espname[] = ESPCTL_NAMES; 1228struct ctlname ahname[] = AHCTL_NAMES; 1229struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1230struct ctlname grename[] = GRECTL_NAMES; 1231struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1232struct ctlname ipcompname[] = IPCOMPCTL_NAMES; 1233struct list inetlist = { inetname, IPPROTO_MAXID }; 1234struct list inetvars[] = { 1235 { ipname, IPCTL_MAXID }, /* ip */ 1236 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1237 { 0, 0 }, /* igmp */ 1238 { 0, 0 }, /* ggmp */ 1239 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1240 { 0, 0 }, 1241 { tcpname, TCPCTL_MAXID }, /* tcp */ 1242 { 0, 0 }, 1243 { 0, 0 }, /* egp */ 1244 { 0, 0 }, 1245 { 0, 0 }, 1246 { 0, 0 }, 1247 { 0, 0 }, /* pup */ 1248 { 0, 0 }, 1249 { 0, 0 }, 1250 { 0, 0 }, 1251 { 0, 0 }, 1252 { udpname, UDPCTL_MAXID }, /* udp */ 1253 { 0, 0 }, 1254 { 0, 0 }, 1255 { 0, 0 }, 1256 { 0, 0 }, 1257 { 0, 0 }, 1258 { 0, 0 }, 1259 { 0, 0 }, 1260 { 0, 0 }, 1261 { 0, 0 }, 1262 { 0, 0 }, 1263 { 0, 0 }, 1264 { 0, 0 }, 1265 { 0, 0 }, 1266 { 0, 0 }, 1267 { 0, 0 }, 1268 { 0, 0 }, 1269 { 0, 0 }, 1270 { 0, 0 }, 1271 { 0, 0 }, 1272 { 0, 0 }, 1273 { 0, 0 }, 1274 { 0, 0 }, 1275 { 0, 0 }, 1276 { 0, 0 }, 1277 { 0, 0 }, 1278 { 0, 0 }, 1279 { 0, 0 }, 1280 { 0, 0 }, 1281 { 0, 0 }, 1282 { grename, GRECTL_MAXID }, /* GRE */ 1283 { 0, 0 }, 1284 { 0, 0 }, 1285 { espname, ESPCTL_MAXID }, /* esp */ 1286 { ahname, AHCTL_MAXID }, /* ah */ 1287 { 0, 0 }, 1288 { 0, 0 }, 1289 { 0, 0 }, 1290 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 1291 { 0, 0 }, 1292 { 0, 0 }, 1293 { 0, 0 }, 1294 { 0, 0 }, 1295 { 0, 0 }, 1296 { 0, 0 }, 1297 { 0, 0 }, 1298 { 0, 0 }, 1299 { 0, 0 }, 1300 { 0, 0 }, 1301 { 0, 0 }, 1302 { 0, 0 }, 1303 { 0, 0 }, 1304 { 0, 0 }, 1305 { 0, 0 }, 1306 { 0, 0 }, 1307 { 0, 0 }, 1308 { 0, 0 }, 1309 { 0, 0 }, 1310 { 0, 0 }, 1311 { 0, 0 }, 1312 { 0, 0 }, 1313 { 0, 0 }, 1314 { 0, 0 }, 1315 { 0, 0 }, 1316 { 0, 0 }, 1317 { 0, 0 }, 1318 { 0, 0 }, 1319 { 0, 0 }, 1320 { 0, 0 }, 1321 { 0, 0 }, 1322 { 0, 0 }, 1323 { 0, 0 }, 1324 { 0, 0 }, 1325 { 0, 0 }, 1326 { 0, 0 }, 1327 { 0, 0 }, 1328 { 0, 0 }, 1329 { 0, 0 }, 1330 { 0, 0 }, 1331 { 0, 0 }, 1332 { etheripname, ETHERIPCTL_MAXID }, 1333 { 0, 0 }, 1334 { 0, 0 }, 1335 { 0, 0 }, 1336 { 0, 0 }, 1337 { 0, 0 }, 1338 { 0, 0 }, 1339 { 0, 0 }, 1340 { 0, 0 }, 1341 { 0, 0 }, 1342 { 0, 0 }, 1343 { ipcompname, IPCOMPCTL_MAXID }, 1344}; 1345 1346struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1347struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1348struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1349struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1350 1351/* 1352 * handle vfs namei cache statistics 1353 */ 1354int 1355sysctl_nchstats(string, bufpp, mib, flags, typep) 1356 char *string; 1357 char **bufpp; 1358 int mib[]; 1359 int flags; 1360 int *typep; 1361{ 1362 static struct nchstats nch; 1363 int indx; 1364 size_t size; 1365 static int keepvalue = 0; 1366 1367 if (*bufpp == NULL) { 1368 bzero(&nch, sizeof(struct nchstats)); 1369 listall(string, &nchstatslist); 1370 return(-1); 1371 } 1372 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1373 return(-1); 1374 mib[2] = indx; 1375 if (*bufpp != NULL) { 1376 warnx("fourth level name in %s is invalid", string); 1377 return(-1); 1378 } 1379 if (keepvalue == 0) { 1380 size = sizeof(struct nchstats); 1381 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1382 return(-1); 1383 keepvalue = 1; 1384 } 1385 if (!nflag) 1386 (void)printf("%s = ", string); 1387 switch (indx) { 1388 case KERN_NCHSTATS_GOODHITS: 1389 (void)printf("%ld\n", nch.ncs_goodhits); 1390 break; 1391 case KERN_NCHSTATS_NEGHITS: 1392 (void)printf("%ld\n", nch.ncs_neghits); 1393 break; 1394 case KERN_NCHSTATS_BADHITS: 1395 (void)printf("%ld\n", nch.ncs_badhits); 1396 break; 1397 case KERN_NCHSTATS_FALSEHITS: 1398 (void)printf("%ld\n", nch.ncs_falsehits); 1399 break; 1400 case KERN_NCHSTATS_MISS: 1401 (void)printf("%ld\n", nch.ncs_miss); 1402 break; 1403 case KERN_NCHSTATS_LONG: 1404 (void)printf("%ld\n", nch.ncs_long); 1405 break; 1406 case KERN_NCHSTATS_PASS2: 1407 (void)printf("%ld\n", nch.ncs_pass2); 1408 break; 1409 case KERN_NCHSTATS_2PASSES: 1410 (void)printf("%ld\n", nch.ncs_2passes); 1411 break; 1412 } 1413 return(-1); 1414} 1415 1416/* 1417 * handle tty statistics 1418 */ 1419int 1420sysctl_tty(string, bufpp, mib, flags, typep) 1421 char *string; 1422 char **bufpp; 1423 int mib[]; 1424 int flags; 1425 int *typep; 1426{ 1427 int indx; 1428 1429 if (*bufpp == NULL) { 1430 listall(string, &ttylist); 1431 return(-1); 1432 } 1433 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1434 return(-1); 1435 mib[2] = indx; 1436 *typep = CTLTYPE_QUAD; 1437 return(3); 1438} 1439 1440/* 1441 * handle fork statistics 1442 */ 1443int 1444sysctl_forkstat(string, bufpp, mib, flags, typep) 1445 char *string; 1446 char **bufpp; 1447 int mib[]; 1448 int flags; 1449 int *typep; 1450{ 1451 static struct forkstat fks; 1452 static int keepvalue = 0; 1453 int indx; 1454 size_t size; 1455 1456 if (*bufpp == NULL) { 1457 bzero(&fks, sizeof(struct forkstat)); 1458 listall(string, &forkstatlist); 1459 return(-1); 1460 } 1461 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1462 return(-1); 1463 if (*bufpp != NULL) { 1464 warnx("fourth level name in %s is invalid", string); 1465 return(-1); 1466 } 1467 if (keepvalue == 0) { 1468 size = sizeof(struct forkstat); 1469 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1470 return(-1); 1471 keepvalue = 1; 1472 } 1473 if (!nflag) 1474 (void)printf("%s = ", string); 1475 switch (indx) { 1476 case KERN_FORKSTAT_FORK: 1477 (void)printf("%d\n", fks.cntfork); 1478 break; 1479 case KERN_FORKSTAT_VFORK: 1480 (void)printf("%d\n", fks.cntvfork); 1481 break; 1482 case KERN_FORKSTAT_RFORK: 1483 (void)printf("%d\n", fks.cntrfork); 1484 break; 1485 case KERN_FORKSTAT_KTHREAD: 1486 (void)printf("%d\n", fks.cntkthread); 1487 break; 1488 case KERN_FORKSTAT_SIZFORK: 1489 (void)printf("%d\n", fks.sizfork); 1490 break; 1491 case KERN_FORKSTAT_SIZVFORK: 1492 (void)printf("%d\n", fks.sizvfork); 1493 break; 1494 case KERN_FORKSTAT_SIZRFORK: 1495 (void)printf("%d\n", fks.sizrfork); 1496 break; 1497 case KERN_FORKSTAT_SIZKTHREAD: 1498 (void)printf("%d\n", fks.sizkthread); 1499 break; 1500 } 1501 return(-1); 1502} 1503 1504/* 1505 * handle malloc statistics 1506 */ 1507int 1508sysctl_malloc(string, bufpp, mib, flags, typep) 1509 char *string; 1510 char **bufpp; 1511 int mib[]; 1512 int flags; 1513 int *typep; 1514{ 1515 int indx, stor, i; 1516 char *name, bufp[BUFSIZ], *buf, *ptr; 1517 struct list lp; 1518 size_t size; 1519 1520 if (*bufpp == NULL) { 1521 listall(string, &kernmalloclist); 1522 return(-1); 1523 } 1524 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1525 return(-1); 1526 mib[2] = indx; 1527 if (mib[2] == KERN_MALLOC_BUCKET) { 1528 if ((name = strsep(bufpp, ".")) == NULL) { 1529 size = BUFSIZ; 1530 stor = mib[2]; 1531 mib[2] = KERN_MALLOC_BUCKETS; 1532 buf = bufp; 1533 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1534 return(-1); 1535 mib[2] = stor; 1536 for (stor = 0, i = 0; i < size; i++) 1537 if (buf[i] == ',') 1538 stor++; 1539 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1540 if (lp.list == NULL) 1541 return(-1); 1542 lp.size = stor + 2; 1543 for (i = 1; 1544 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1545 i++) { 1546 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1547 } 1548 lp.list[i].ctl_name = buf; 1549 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1550 listall(string, &lp); 1551 free(lp.list); 1552 return(-1); 1553 } 1554 mib[3] = atoi(name); 1555 return(4); 1556 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1557 *typep = CTLTYPE_STRING; 1558 return(3); 1559 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1560 size = BUFSIZ; 1561 stor = mib[2]; 1562 mib[2] = KERN_MALLOC_KMEMNAMES; 1563 buf = bufp; 1564 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1565 return(-1); 1566 mib[2] = stor; 1567 if ((name = strsep(bufpp, ".")) == NULL) { 1568 for (stor = 0, i = 0; i < size; i++) 1569 if (buf[i] == ',') 1570 stor++; 1571 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1572 if (lp.list == NULL) 1573 return(-1); 1574 lp.size = stor + 2; 1575 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1576 if (lp.list[i].ctl_name[0] == '\0') { 1577 i--; 1578 continue; 1579 } 1580 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1581 } 1582 lp.list[i].ctl_name = buf; 1583 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1584 listall(string, &lp); 1585 free(lp.list); 1586 return(-1); 1587 } 1588 ptr = strstr(buf, name); 1589 tryagain: 1590 if (ptr == NULL) { 1591 warnx("fourth level name %s in %s is invalid", name, 1592 string); 1593 return(-1); 1594 } 1595 if ((*(ptr + strlen(name)) != ',') && 1596 (*(ptr + strlen(name)) != '\0')) { 1597 ptr = strstr(ptr + 1, name); /* retry */ 1598 goto tryagain; 1599 } 1600 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1601 ptr = strstr(ptr + 1, name); /* retry */ 1602 goto tryagain; 1603 } 1604 for (i = 0, stor = 0; buf + i < ptr; i++) 1605 if (buf[i] == ',') 1606 stor++; 1607 mib[3] = stor; 1608 return(4); 1609 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1610 *typep = CTLTYPE_STRING; 1611 return(3); 1612 } 1613 return(-1); 1614} 1615 1616#ifdef CPU_CHIPSET 1617/* 1618 * handle machdep.chipset requests 1619 */ 1620struct ctlname chipsetname[] = CTL_CHIPSET_NAMES; 1621struct list chipsetlist = { chipsetname, CPU_CHIPSET_MAXID }; 1622 1623int 1624sysctl_chipset(string, bufpp, mib, flags, typep) 1625 char *string; 1626 char **bufpp; 1627 int mib[]; 1628 int flags; 1629 int *typep; 1630{ 1631 int indx, bwx; 1632 static void *q; 1633 size_t len; 1634 char *p; 1635 1636 if (*bufpp == NULL) { 1637 listall(string, &chipsetlist); 1638 return (-1); 1639 } 1640 if ((indx = findname(string, "third", bufpp, &chipsetlist)) == -1) 1641 return(-1); 1642 mib[2] = indx; 1643 if (!nflag) 1644 printf("%s = ", string); 1645 switch(mib[2]) { 1646 case CPU_CHIPSET_MEM: 1647 case CPU_CHIPSET_DENSE: 1648 case CPU_CHIPSET_PORTS: 1649 case CPU_CHIPSET_HAE_MASK: 1650 len = sizeof(void *); 1651 if (sysctl(mib, 3, &q, &len, NULL, 0) < 0) 1652 return (-1); 1653 printf("%p\n", q); 1654 break; 1655 case CPU_CHIPSET_BWX: 1656 len = sizeof(int); 1657 if (sysctl(mib, 3, &bwx, &len, NULL, 0) < 0) 1658 return (-1); 1659 printf("%d\n", bwx); 1660 break; 1661 case CPU_CHIPSET_TYPE: 1662 if (sysctl(mib, 3, NULL, &len, NULL, 0) < 0) 1663 return (-1); 1664 p = malloc(len + 1); 1665 if (p == NULL) 1666 return (-1); 1667 if (sysctl(mib, 3, p, &len, NULL, 0) < 0) 1668 return (-1); 1669 p[len] = '\0'; 1670 printf("%s\n", p); 1671 break; 1672 } 1673 return (-1); 1674} 1675#endif 1676/* 1677 * handle internet requests 1678 */ 1679int 1680sysctl_inet(string, bufpp, mib, flags, typep) 1681 char *string; 1682 char **bufpp; 1683 int mib[]; 1684 int flags; 1685 int *typep; 1686{ 1687 struct list *lp; 1688 int indx; 1689 1690 if (*bufpp == NULL) { 1691 listall(string, &inetlist); 1692 return(-1); 1693 } 1694 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1695 return(-1); 1696 mib[2] = indx; 1697 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1698 lp = &inetvars[indx]; 1699 else if (!flags) 1700 return(-1); 1701 else { 1702 warnx("%s: no variables defined for this protocol", string); 1703 return(-1); 1704 } 1705 if (*bufpp == NULL) { 1706 listall(string, lp); 1707 return(-1); 1708 } 1709 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1710 return(-1); 1711 mib[3] = indx; 1712 *typep = lp->list[indx].ctl_type; 1713 return(4); 1714} 1715 1716#ifdef INET6 1717struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1718struct ctlname ip6name[] = IPV6CTL_NAMES; 1719struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1720struct ctlname pim6name[] = PIM6CTL_NAMES; 1721struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1722struct list inet6vars[] = { 1723/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1724 { 0, 0 }, 1725 { 0, 0 }, 1726 { 0, 0 }, 1727 { 0, 0 }, 1728 { 0, 0 }, 1729/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1730 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1731/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1732 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1733/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1734 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1735/*40*/ { 0, 0 }, 1736 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1737 { 0, 0 }, 1738 { 0, 0 }, 1739 { 0, 0 }, 1740 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1741/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1742 { 0, 0 }, 1743 { 0, 0 }, 1744 { 0, 0 }, 1745 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1746 { 0, 0 }, 1747/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1748 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1749/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1750 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1751/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1752 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1753/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1754 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1755/*100*/ { 0, 0 }, 1756 { 0, 0 }, 1757 { 0, 0 }, 1758 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1759}; 1760 1761/* 1762 * handle internet6 requests 1763 */ 1764int 1765sysctl_inet6(string, bufpp, mib, flags, typep) 1766 char *string; 1767 char **bufpp; 1768 int mib[]; 1769 int flags; 1770 int *typep; 1771{ 1772 struct list *lp; 1773 int indx; 1774 1775 if (*bufpp == NULL) { 1776 listall(string, &inet6list); 1777 return(-1); 1778 } 1779 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1780 return(-1); 1781 mib[2] = indx; 1782 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1783 lp = &inet6vars[indx]; 1784 else if (!flags) 1785 return(-1); 1786 else { 1787 warnx("%s: no variables defined for this protocol", string); 1788 return(-1); 1789 } 1790 if (*bufpp == NULL) { 1791 listall(string, lp); 1792 return(-1); 1793 } 1794 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1795 return(-1); 1796 mib[3] = indx; 1797 *typep = lp->list[indx].ctl_type; 1798 return(4); 1799} 1800#endif 1801 1802struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1803struct ctlname ipxpname[] = IPXCTL_NAMES; 1804struct ctlname spxpname[] = SPXCTL_NAMES; 1805struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1806struct list ipxvars[] = { 1807 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1808 { 0, 0 }, 1809 { 0, 0 }, 1810 { 0, 0 }, 1811 { 0, 0 }, 1812 { spxpname, SPXCTL_MAXID }, 1813}; 1814 1815/* 1816 * Handle internet requests 1817 */ 1818int 1819sysctl_ipx(string, bufpp, mib, flags, typep) 1820 char *string; 1821 char **bufpp; 1822 int mib[]; 1823 int flags; 1824 int *typep; 1825{ 1826 struct list *lp; 1827 int indx; 1828 1829 if (*bufpp == NULL) { 1830 listall(string, &ipxlist); 1831 return(-1); 1832 } 1833 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1834 return(-1); 1835 mib[2] = indx; 1836 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1837 lp = &ipxvars[indx]; 1838 else if (!flags) 1839 return(-1); 1840 else { 1841 warnx("%s: no variables defined for this protocol", string); 1842 return(-1); 1843 } 1844 if (*bufpp == NULL) { 1845 listall(string, lp); 1846 return(-1); 1847 } 1848 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1849 return(-1); 1850 mib[3] = indx; 1851 *typep = lp->list[indx].ctl_type; 1852 return(4); 1853} 1854 1855/* 1856 * Scan a list of names searching for a particular name. 1857 */ 1858int 1859findname(string, level, bufp, namelist) 1860 char *string; 1861 char *level; 1862 char **bufp; 1863 struct list *namelist; 1864{ 1865 char *name; 1866 int i; 1867 1868 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1869 warnx("%s: incomplete specification", string); 1870 return(-1); 1871 } 1872 for (i = 0; i < namelist->size; i++) 1873 if (namelist->list[i].ctl_name != NULL && 1874 strcmp(name, namelist->list[i].ctl_name) == 0) 1875 break; 1876 if (i == namelist->size) { 1877 warnx("%s level name %s in %s is invalid", level, name, string); 1878 return(-1); 1879 } 1880 return(i); 1881} 1882 1883void 1884usage() 1885{ 1886 1887 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1888 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1889 "sysctl [-n] -a", "sysctl [-n] -A"); 1890 exit(1); 1891} 1892