sysctl.c revision 1.73
1/* $OpenBSD: sysctl.c,v 1.73 2001/06/27 06:16:47 art 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 1.73 2001/06/27 06:16:47 art 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 <vm/vm_param.h> 63#include <machine/cpu.h> 64#include <net/route.h> 65 66#include <netinet/in.h> 67#include <netinet/in_systm.h> 68#include <netinet/ip.h> 69#include <netinet/in_pcb.h> 70#include <netinet/ip_icmp.h> 71#include <netinet/ip_ipip.h> 72#include <netinet/ip_ether.h> 73#include <netinet/ip_ah.h> 74#include <netinet/ip_esp.h> 75#include <netinet/icmp_var.h> 76#include <netinet/ip_var.h> 77#include <netinet/udp.h> 78#include <netinet/udp_var.h> 79#include <netinet/tcp.h> 80#include <netinet/tcp_timer.h> 81#include <netinet/tcp_var.h> 82#include <netinet/ip_gre.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 __P((void)); 183void listall __P((char *, struct list *)); 184void parse __P((char *, int)); 185void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 186void usage __P((void)); 187int findname __P((char *, char *, char **, struct list *)); 188int sysctl_inet __P((char *, char **, int *, int, int *)); 189#ifdef INET6 190int sysctl_inet6 __P((char *, char **, int *, int, int *)); 191#endif 192int sysctl_ipx __P((char *, char **, int *, int, int *)); 193int sysctl_fs __P((char *, char **, int *, int, int *)); 194static int sysctl_vfs __P((char *, char **, int[], int, int *)); 195static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 196int sysctl_bios __P((char *, char **, int *, int, int *)); 197int sysctl_swpenc __P((char *, char **, int *, int, int *)); 198int sysctl_forkstat __P((char *, char **, int *, int, int *)); 199int sysctl_tty __P((char *, char **, int *, int, int *)); 200int sysctl_nchstats __P((char *, char **, int *, int, int *)); 201int sysctl_malloc __P((char *, char **, int *, int, int *)); 202void vfsinit __P((void)); 203 204int 205main(argc, argv) 206 int argc; 207 char *argv[]; 208{ 209 int ch, lvl1; 210 211 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 212 switch (ch) { 213 214 case 'A': 215 Aflag = 1; 216 break; 217 218 case 'a': 219 aflag = 1; 220 break; 221 222 case 'n': 223 nflag = 1; 224 break; 225 226 case 'w': 227 wflag = 1; 228 break; 229 230 default: 231 usage(); 232 } 233 } 234 argc -= optind; 235 argv += optind; 236 237 if (argc == 0 && (Aflag || aflag)) { 238 debuginit(); 239 vfsinit(); 240 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 241 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 242 return (0); 243 } 244 if (argc == 0) 245 usage(); 246 for (; *argv != NULL; ++argv) 247 parse(*argv, 1); 248 return (0); 249} 250 251/* 252 * List all variables known to the system. 253 */ 254void 255listall(prefix, lp) 256 char *prefix; 257 struct list *lp; 258{ 259 char *cp, name[BUFSIZ]; 260 int lvl2, len; 261 262 if (lp->list == NULL) 263 return; 264 if ((len = strlcpy(name, prefix, sizeof(name))) >= sizeof(name)) 265 warn("%s: name too long", prefix); 266 cp = name + len++; 267 *cp++ = '.'; 268 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 269 if (lp->list[lvl2].ctl_name == NULL) 270 continue; 271 if (strlcpy(cp, lp->list[lvl2].ctl_name, 272 sizeof(name) - len) >= sizeof(name) - len) 273 warn("%s: name too long", lp->list[lvl2].ctl_name); 274 parse(name, Aflag); 275 } 276} 277 278/* 279 * Parse a name into a MIB entry. 280 * Lookup and print out the MIB entry if it exists. 281 * Set a new value if requested. 282 */ 283void 284parse(string, flags) 285 char *string; 286 int flags; 287{ 288 int indx, type, state, intval, len; 289 size_t size, newsize = 0; 290 int lal = 0, special = 0; 291 void *newval = 0; 292 int64_t quadval; 293 struct list *lp; 294 int mib[CTL_MAXNAME]; 295 char *cp, *bufp, buf[BUFSIZ]; 296 297 (void)strlcpy(buf, string, sizeof(buf)); 298 bufp = buf; 299 if ((cp = strchr(string, '=')) != NULL) { 300 if (!wflag) 301 errx(2, "must specify -w to set variables"); 302 *strchr(buf, '=') = '\0'; 303 *cp++ = '\0'; 304 while (isspace(*cp)) 305 cp++; 306 newval = cp; 307 newsize = strlen(cp); 308 } 309 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 310 return; 311 mib[0] = indx; 312 if (indx == CTL_VFS) 313 vfsinit(); 314 if (indx == CTL_DEBUG) 315 debuginit(); 316 lp = &secondlevel[indx]; 317 if (lp->list == 0) { 318 warnx("%s: class is not implemented", topname[indx].ctl_name); 319 return; 320 } 321 if (bufp == NULL) { 322 listall(topname[indx].ctl_name, lp); 323 return; 324 } 325 if ((indx = findname(string, "second", &bufp, lp)) == -1) 326 return; 327 mib[1] = indx; 328 type = lp->list[indx].ctl_type; 329 len = 2; 330 switch (mib[0]) { 331 332 case CTL_KERN: 333 switch (mib[1]) { 334 case KERN_PROF: 335 mib[2] = GPROF_STATE; 336 size = sizeof(state); 337 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 338 if (flags == 0) 339 return; 340 if (!nflag) 341 (void)printf("%s: ", string); 342 (void)puts("kernel is not compiled for profiling"); 343 return; 344 } 345 if (!nflag) 346 (void)printf("%s = %s\n", string, 347 state == GMON_PROF_OFF ? "off" : "running"); 348 return; 349 case KERN_FORKSTAT: 350 sysctl_forkstat(string, &bufp, mib, flags, &type); 351 return; 352 case KERN_TTY: 353 len = sysctl_tty(string, &bufp, mib, flags, &type); 354 if (len < 0) 355 return; 356 newsize = 0; 357 break; 358 case KERN_NCHSTATS: 359 sysctl_nchstats(string, &bufp, mib, flags, &type); 360 return; 361 case KERN_MALLOCSTATS: 362 len = sysctl_malloc(string, &bufp, mib, flags, &type); 363 if (len < 0) 364 return; 365 if (mib[2] == KERN_MALLOC_BUCKET) 366 special |= KMEMBUCKETS; 367 if (mib[2] == KERN_MALLOC_KMEMSTATS) 368 special |= KMEMSTATS; 369 newsize = 0; 370 break; 371 case KERN_MSGBUF: 372 warnx("use dmesg to view %s", string); 373 return; 374 case KERN_VNODE: 375 case KERN_FILE: 376 if (flags == 0) 377 return; 378 warnx("use pstat to view %s information", string); 379 return; 380 case KERN_PROC: 381 if (flags == 0) 382 return; 383 warnx("use ps to view %s information", string); 384 return; 385 case KERN_NTPTIME: 386 if (flags == 0) 387 return; 388 warnx("use xntpdc to view %s information", string); 389 return; 390 case KERN_CLOCKRATE: 391 special |= CLOCK; 392 break; 393 case KERN_BOOTTIME: 394 special |= BOOTTIME; 395 break; 396 case KERN_RND: 397 special |= RNDSTATS; 398 break; 399 case KERN_HOSTID: 400 case KERN_ARND: 401 special |= UNSIGNED; 402 break; 403 case KERN_CPTIME: 404 special |= LONGARRAY; 405 lal = CPUSTATES; 406 break; 407 } 408 break; 409 410 case CTL_HW: 411 switch (mib[1]) { 412 case HW_DISKSTATS: 413 /* 414 * Only complain if someone asks explicitly for this, 415 * otherwise "fail" silently. 416 */ 417 if (flags) 418 warnx("use vmstat to view %s information", 419 string); 420 return; 421 } 422 break; 423 424 case CTL_VM: 425 if (mib[1] == VM_LOADAVG) { 426 double loads[3]; 427 428 getloadavg(loads, 3); 429 if (!nflag) 430 (void)printf("%s = ", string); 431 (void)printf("%.2f %.2f %.2f\n", loads[0], 432 loads[1], loads[2]); 433 return; 434 } else if (mib[1] == VM_PSSTRINGS) { 435 struct _ps_strings _ps; 436 437 size = sizeof(_ps); 438 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 439 if (flags == 0) 440 return; 441 if (!nflag) 442 (void)printf("%s: ", string); 443 (void)puts("can't find ps strings"); 444 return; 445 } 446 if (!nflag) 447 (void)printf("%s = ", string); 448 (void)printf("%p\n", _ps.val); 449 return; 450 } 451 else if (mib[1] == VM_SWAPENCRYPT) { 452 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 453 if (len < 0) 454 return; 455 456 break; 457 } 458 if (flags == 0) 459 return; 460 warnx("use vmstat or systat to view %s information", string); 461 return; 462 463 break; 464 465 case CTL_NET: 466 if (mib[1] == PF_INET) { 467 len = sysctl_inet(string, &bufp, mib, flags, &type); 468 if (len < 0) 469 return; 470 471 if ((mib[2] == IPPROTO_TCP && 472 mib[3] == TCPCTL_BADDYNAMIC) || 473 (mib[2] == IPPROTO_UDP && 474 mib[3] == UDPCTL_BADDYNAMIC)) { 475 476 special |= BADDYNAMIC; 477 478 if (newval != NULL) 479 parse_baddynamic(mib, len, string, 480 &newval, &newsize, flags, nflag); 481 } 482 break; 483 } 484#ifdef INET6 485 if (mib[1] == PF_INET6) { 486 len = sysctl_inet6(string, &bufp, mib, flags, &type); 487 if (len < 0) 488 return; 489 490 break; 491 } 492#endif 493 if (mib[1] == PF_IPX) { 494 len = sysctl_ipx(string, &bufp, mib, flags, &type); 495 if (len >= 0) 496 break; 497 return; 498 } 499 if (flags == 0) 500 return; 501 warnx("use netstat to view %s information", string); 502 return; 503 504 case CTL_DEBUG: 505 mib[2] = CTL_DEBUG_VALUE; 506 len = 3; 507 break; 508 509 case CTL_MACHDEP: 510#ifdef CPU_CONSDEV 511 if (mib[1] == CPU_CONSDEV) 512 special |= CHRDEV; 513#endif 514#ifdef CPU_BLK2CHR 515 if (mib[1] == CPU_BLK2CHR) { 516 if (bufp == NULL) 517 return; 518 mib[2] = makedev(atoi(bufp),0); 519 bufp = NULL; 520 len = 3; 521 special |= CHRDEV; 522 break; 523 } 524#endif 525#ifdef CPU_CHR2BLK 526 if (mib[1] == CPU_CHR2BLK) { 527 if (bufp == NULL) 528 return; 529 mib[2] = makedev(atoi(bufp),0); 530 bufp = NULL; 531 len = 3; 532 special |= BLKDEV; 533 break; 534 } 535#endif 536#ifdef CPU_BIOS 537 if (mib[1] == CPU_BIOS) { 538 len = sysctl_bios(string, &bufp, mib, flags, &type); 539 if (len < 0) 540 return; 541 if (mib[2] == BIOS_DEV) 542 special |= BIOSDEV; 543 if (mib[2] == BIOS_DISKINFO) 544 special |= BIOSGEO; 545 break; 546 } 547#endif 548 break; 549 550 case CTL_FS: 551 len = sysctl_fs(string, &bufp, mib, flags, &type); 552 if (len >= 0) 553 break; 554 return; 555 556 case CTL_VFS: 557 if (mib[1]) 558 len = sysctl_vfs(string, &bufp, mib, flags, &type); 559 else 560 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 561 if (len >= 0) { 562 if (type == CTLTYPE_STRUCT) { 563 if (flags) 564 warnx("use nfsstat to view %s information", 565 MOUNT_NFS); 566 return; 567 } else 568 break; 569 } 570 return; 571 572 case CTL_USER: 573 case CTL_DDB: 574 break; 575 576 default: 577 warnx("illegal top level value: %d", mib[0]); 578 return; 579 580 } 581 if (bufp) { 582 warnx("name %s in %s is unknown", bufp, string); 583 return; 584 } 585 if (newsize > 0) { 586 switch (type) { 587 case CTLTYPE_INT: 588 errno = 0; 589 if (special & UNSIGNED) 590 intval = strtoul(newval, &cp, 10); 591 else 592 intval = strtol(newval, &cp, 10); 593 if (*cp != '\0') { 594 warnx("%s: illegal value: %s", string, 595 (char *)newval); 596 return; 597 } 598 if (errno == ERANGE) { 599 warnx("%s: value %s out of range", string, 600 (char *)newval); 601 return; 602 } 603 newval = &intval; 604 newsize = sizeof(intval); 605 break; 606 607 case CTLTYPE_QUAD: 608 /* XXX - assumes sizeof(long long) == sizeof(quad_t) */ 609 (void)sscanf(newval, "%lld", (long long *)&quadval); 610 newval = &quadval; 611 newsize = sizeof(quadval); 612 break; 613 } 614 } 615 size = BUFSIZ; 616 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 617 if (flags == 0) 618 return; 619 switch (errno) { 620 case EOPNOTSUPP: 621 warnx("%s: value is not available", string); 622 return; 623 case ENOTDIR: 624 warnx("%s: specification is incomplete", string); 625 return; 626 case ENOMEM: 627 warnx("%s: type is unknown to this program", string); 628 return; 629 case ENXIO: 630 if (special & BIOSGEO) 631 return; 632 default: 633 warn("%s", string); 634 return; 635 } 636 } 637 if (special & KMEMBUCKETS) { 638 struct kmembuckets *kb = (struct kmembuckets *)buf; 639 if (!nflag) 640 (void)printf("%s = ", string); 641 printf("("); 642 printf("calls = %llu ", (long long)kb->kb_calls); 643 printf("total_allocated = %llu ", (long long)kb->kb_total); 644 printf("total_free = %lld ", (long long)kb->kb_totalfree); 645 printf("elements = %lld ", (long long)kb->kb_elmpercl); 646 printf("high watermark = %lld ", (long long)kb->kb_highwat); 647 printf("could_free = %lld", (long long)kb->kb_couldfree); 648 printf(")\n"); 649 return; 650 } 651 if (special & KMEMSTATS) { 652 struct kmemstats *km = (struct kmemstats *)buf; 653 int j, first = 1; 654 655 if (!nflag) 656 (void)printf("%s = ", string); 657 (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); 658 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 659 if ((km->ks_size & j ) == 0) 660 continue; 661 if (first) 662 (void)printf("%d", j); 663 else 664 (void)printf(",%d", j); 665 first = 0; 666 } 667 if (first) 668 (void)printf("none"); 669 (void)printf("))\n"); 670 return; 671 } 672 if (special & CLOCK) { 673 struct clockinfo *clkp = (struct clockinfo *)buf; 674 675 if (!nflag) 676 (void)printf("%s = ", string); 677 (void)printf( 678 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 679 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 680 return; 681 } 682 if (special & BOOTTIME) { 683 struct timeval *btp = (struct timeval *)buf; 684 time_t boottime; 685 686 if (!nflag) { 687 boottime = btp->tv_sec; 688 (void)printf("%s = %s", string, ctime(&boottime)); 689 } else 690 (void)printf("%ld\n", btp->tv_sec); 691 return; 692 } 693 if (special & BLKDEV) { 694 dev_t dev = *(dev_t *)buf; 695 696 if (!nflag) 697 (void)printf("%s = %s\n", string, 698 devname(dev, S_IFBLK)); 699 else 700 (void)printf("0x%x\n", dev); 701 return; 702 } 703 if (special & CHRDEV) { 704 dev_t dev = *(dev_t *)buf; 705 706 if (!nflag) 707 (void)printf("%s = %s\n", string, 708 devname(dev, S_IFCHR)); 709 else 710 (void)printf("0x%x\n", dev); 711 return; 712 } 713#ifdef CPU_BIOS 714 if (special & BIOSGEO) { 715 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 716 717 if (!nflag) 718 (void)printf("%s = ", string); 719 (void)printf("bootdev = 0x%x, " 720 "cylinders = %u, heads = %u, sectors = %u\n", 721 pdi->bsd_dev, pdi->bios_cylinders, 722 pdi->bios_heads, pdi->bios_sectors); 723 return; 724 } 725 if (special & BIOSDEV) { 726 int dev = *(int*)buf; 727 728 if (!nflag) 729 (void)printf("%s = ", string); 730 (void) printf("0x%02x\n", dev); 731 return; 732 } 733#endif 734 if (special & UNSIGNED) { 735 if (newsize == 0) { 736 if (!nflag) 737 (void)printf("%s = ", string); 738 (void)printf("%u\n", *(u_int *)buf); 739 } else { 740 if (!nflag) 741 (void)printf("%s: %u -> ", string, 742 *(u_int *)buf); 743 (void)printf("%u\n", *(u_int *)newval); 744 } 745 return; 746 } 747 if (special & RNDSTATS) { 748 struct rndstats *rndstats = (struct rndstats *)buf; 749 int i; 750 751 if (!nflag) 752 (void)printf("%s = ", string); 753 (void)printf( 754 "%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu", 755 (unsigned long long)rndstats->rnd_total, 756 (unsigned long long)rndstats->rnd_used, 757 (unsigned long long)rndstats->rnd_reads, 758 (unsigned long long)rndstats->arc4_reads, 759 (unsigned long long)rndstats->arc4_nstirs, 760 (unsigned long long)rndstats->arc4_stirs, 761 (unsigned long long)rndstats->rnd_pad[0], 762 (unsigned long long)rndstats->rnd_pad[1], 763 (unsigned long long)rndstats->rnd_pad[2], 764 (unsigned long long)rndstats->rnd_pad[3], 765 (unsigned long long)rndstats->rnd_pad[4], 766 (unsigned long long)rndstats->rnd_waits, 767 (unsigned long long)rndstats->rnd_enqs, 768 (unsigned long long)rndstats->rnd_deqs, 769 (unsigned long long)rndstats->rnd_drops, 770 (unsigned long long)rndstats->rnd_drople); 771 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 772 (void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); 773 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 774 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); 775 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 776 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]); 777 printf("\n"); 778 return; 779 } 780 if (special & BADDYNAMIC) { 781 in_port_t port, lastport; 782 u_int32_t *baddynamic = (u_int32_t *)buf; 783 784 if (!nflag) 785 (void)printf("%s%s", string, newsize ? ": " : " = "); 786 lastport = 0; 787 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 788 if (DP_ISSET(baddynamic, port)) { 789 (void)printf("%s%hd", lastport ? "," : "", 790 port); 791 lastport = port; 792 } 793 if (newsize != 0) { 794 if (!nflag) 795 fputs(" -> ", stdout); 796 baddynamic = (u_int32_t *)newval; 797 lastport = 0; 798 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 799 port++) 800 if (DP_ISSET(baddynamic, port)) { 801 (void)printf("%s%hd", 802 lastport ? "," : "", port); 803 lastport = port; 804 } 805 } 806 (void)putchar('\n'); 807 return; 808 } 809 if (special & LONGARRAY) { 810 long *la = (long *)buf; 811 if (!nflag) 812 printf("%s = ", string); 813 while (lal--) 814 printf("%ld%s", *la++, lal? ",":""); 815 putchar('\n'); 816 return; 817 } 818 switch (type) { 819 case CTLTYPE_INT: 820 if (newsize == 0) { 821 if (!nflag) 822 (void)printf("%s = ", string); 823 (void)printf("%d\n", *(int *)buf); 824 } else { 825 if (!nflag) 826 (void)printf("%s: %d -> ", string, 827 *(int *)buf); 828 (void)printf("%d\n", *(int *)newval); 829 } 830 return; 831 832 case CTLTYPE_STRING: 833 if (newval == NULL) { 834 if (!nflag) 835 (void)printf("%s = ", string); 836 (void)puts(buf); 837 } else { 838 if (!nflag) 839 (void)printf("%s: %s -> ", string, buf); 840 (void)puts((char *)newval); 841 } 842 return; 843 844 case CTLTYPE_QUAD: 845 if (newsize == 0) { 846 long long tmp = *(quad_t *)buf; 847 848 if (!nflag) 849 (void)printf("%s = ", string); 850 (void)printf("%lld\n", tmp); 851 } else { 852 long long tmp = *(quad_t *)buf; 853 854 if (!nflag) 855 (void)printf("%s: %lld -> ", string, tmp); 856 tmp = *(quad_t *)newval; 857 (void)printf("%qd\n", tmp); 858 } 859 return; 860 861 case CTLTYPE_STRUCT: 862 warnx("%s: unknown structure returned", string); 863 return; 864 865 default: 866 case CTLTYPE_NODE: 867 warnx("%s: unknown type returned", string); 868 return; 869 } 870} 871 872void 873parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 874 int mib[]; 875 size_t len; 876 char *string; 877 void **newvalp; 878 size_t *newsizep; 879 int flags; 880 int nflag; 881{ 882 static u_int32_t newbaddynamic[DP_MAPSIZE]; 883 in_port_t port; 884 size_t size; 885 char action, *cp; 886 887 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 888 size = sizeof(newbaddynamic); 889 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 890 if (flags == 0) 891 return; 892 if (!nflag) 893 (void)printf("%s: ", string); 894 (void)puts("kernel does contain bad dynamic port tables"); 895 return; 896 } 897 898 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 899 if (*cp != '+' && *cp != '-') 900 errx(1, "cannot mix +/- with full list"); 901 action = *cp++; 902 port = atoi(cp); 903 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 904 errx(1, "invalid port, range is %d to %d", 905 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 906 if (action == '+') 907 DP_SET(newbaddynamic, port); 908 else 909 DP_CLR(newbaddynamic, port); 910 } 911 } else { 912 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 913 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 914 port = atoi(cp); 915 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 916 errx(1, "invalid port, range is %d to %d", 917 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 918 DP_SET(newbaddynamic, port); 919 } 920 } 921 922 *newvalp = (void *)newbaddynamic; 923 *newsizep = sizeof(newbaddynamic); 924} 925 926/* 927 * Initialize the set of debugging names 928 */ 929void 930debuginit() 931{ 932 int mib[3], loc, i; 933 size_t size; 934 935 if (secondlevel[CTL_DEBUG].list != 0) 936 return; 937 secondlevel[CTL_DEBUG].list = debugname; 938 mib[0] = CTL_DEBUG; 939 mib[2] = CTL_DEBUG_NAME; 940 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 941 mib[1] = i; 942 size = BUFSIZ - loc; 943 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 944 continue; 945 debugname[i].ctl_name = &names[loc]; 946 debugname[i].ctl_type = CTLTYPE_INT; 947 loc += size; 948 } 949 lastused = loc; 950} 951 952struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 953struct ctlname ffsname[] = FFS_NAMES; 954struct ctlname nfsname[] = FS_NFS_NAMES; 955struct list *vfsvars; 956int *vfs_typenums; 957 958/* 959 * Initialize the set of filesystem names 960 */ 961void 962vfsinit() 963{ 964 int mib[4], maxtypenum, cnt, loc, size; 965 struct vfsconf vfc; 966 size_t buflen; 967 968 if (secondlevel[CTL_VFS].list != 0) 969 return; 970 mib[0] = CTL_VFS; 971 mib[1] = VFS_GENERIC; 972 mib[2] = VFS_MAXTYPENUM; 973 buflen = 4; 974 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 975 return; 976 maxtypenum++; /* + generic */ 977 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 978 return; 979 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 980 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 981 free(vfs_typenums); 982 return; 983 } 984 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 985 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 986 free(vfs_typenums); 987 free(vfsvars); 988 return; 989 } 990 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 991 mib[2] = VFS_CONF; 992 buflen = sizeof vfc; 993 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 994 mib[3] = cnt - 1; 995 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 996 if (errno == EOPNOTSUPP) 997 continue; 998 warn("vfsinit"); 999 free(vfsname); 1000 return; 1001 } 1002 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 1003 vfsvars[cnt].list = ffsname; 1004 vfsvars[cnt].size = FFS_MAXID; 1005 } 1006 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 1007 vfsvars[cnt].list = nfsname; 1008 vfsvars[cnt].size = NFS_MAXID; 1009 } 1010 vfs_typenums[cnt] = vfc.vfc_typenum; 1011 strcat(&names[loc], vfc.vfc_name); 1012 vfsname[cnt].ctl_name = &names[loc]; 1013 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1014 size = strlen(vfc.vfc_name) + 1; 1015 loc += size; 1016 } 1017 lastused = loc; 1018 1019 vfsname[0].ctl_name = "mounts"; 1020 vfsname[0].ctl_type = CTLTYPE_NODE; 1021 vfsvars[0].list = vfsname + 1; 1022 vfsvars[0].size = maxtypenum - 1; 1023 1024 secondlevel[CTL_VFS].list = vfsname; 1025 secondlevel[CTL_VFS].size = maxtypenum; 1026 return; 1027} 1028 1029int 1030sysctl_vfsgen(string, bufpp, mib, flags, typep) 1031 char *string; 1032 char **bufpp; 1033 int mib[]; 1034 int flags; 1035 int *typep; 1036{ 1037 int indx; 1038 size_t size; 1039 struct vfsconf vfc; 1040 1041 if (*bufpp == NULL) { 1042 listall(string, vfsvars); 1043 return (-1); 1044 } 1045 1046 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1047 return (-1); 1048 1049 mib[1] = VFS_GENERIC; 1050 mib[2] = VFS_CONF; 1051 mib[3] = indx; 1052 size = sizeof vfc; 1053 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1054 if (errno != EOPNOTSUPP) 1055 warn("vfs print"); 1056 return -1; 1057 } 1058 if (flags == 0 && vfc.vfc_refcount == 0) 1059 return -1; 1060 if (!nflag) 1061 fprintf(stdout, "%s has %d mounted instance%s\n", 1062 string, vfc.vfc_refcount, 1063 vfc.vfc_refcount != 1 ? "s" : ""); 1064 else 1065 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1066 1067 return -1; 1068} 1069 1070int 1071sysctl_vfs(string, bufpp, mib, flags, typep) 1072 char *string; 1073 char **bufpp; 1074 int mib[]; 1075 int flags; 1076 int *typep; 1077{ 1078 struct list *lp = &vfsvars[mib[1]]; 1079 int indx; 1080 1081 if (lp->list == NULL) { 1082 if (flags) 1083 warnx("No variables defined for file system %s", string); 1084 return(-1); 1085 } 1086 if (*bufpp == NULL) { 1087 listall(string, lp); 1088 return (-1); 1089 } 1090 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1091 return (-1); 1092 1093 mib[1] = vfs_typenums[mib[1]]; 1094 mib[2] = indx; 1095 *typep = lp->list[indx].ctl_type; 1096 return (3); 1097} 1098 1099struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1100struct list fslist = { posixname, FS_POSIX_MAXID }; 1101 1102/* 1103 * handle file system requests 1104 */ 1105int 1106sysctl_fs(string, bufpp, mib, flags, typep) 1107 char *string; 1108 char **bufpp; 1109 int mib[]; 1110 int flags; 1111 int *typep; 1112{ 1113 int indx; 1114 1115 if (*bufpp == NULL) { 1116 listall(string, &fslist); 1117 return(-1); 1118 } 1119 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1120 return(-1); 1121 mib[2] = indx; 1122 *typep = fslist.list[indx].ctl_type; 1123 return(3); 1124} 1125 1126#ifdef CPU_BIOS 1127struct ctlname biosname[] = CTL_BIOS_NAMES; 1128struct list bioslist = { biosname, BIOS_MAXID }; 1129 1130/* 1131 * handle BIOS requests 1132 */ 1133int 1134sysctl_bios(string, bufpp, mib, flags, typep) 1135 char *string; 1136 char **bufpp; 1137 int mib[]; 1138 int flags; 1139 int *typep; 1140{ 1141 char *name; 1142 int indx; 1143 1144 if (*bufpp == NULL) { 1145 listall(string, &bioslist); 1146 return(-1); 1147 } 1148 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1149 return(-1); 1150 mib[2] = indx; 1151 if (indx == BIOS_DISKINFO) { 1152 if (*bufpp == NULL) { 1153 char name[BUFSIZ]; 1154 1155 /* scan all the bios devices */ 1156 for (indx = 0; indx < 256; indx++) { 1157 snprintf(name, sizeof(name), "%s.%u", 1158 string, indx); 1159 parse(name, 1); 1160 } 1161 return(-1); 1162 } 1163 if ((name = strsep(bufpp, ".")) == NULL) { 1164 warnx("%s: incomplete specification", string); 1165 return(-1); 1166 } 1167 mib[3] = atoi(name); 1168 *typep = CTLTYPE_STRUCT; 1169 return(4); 1170 } else { 1171 *typep = bioslist.list[indx].ctl_type; 1172 return(3); 1173 } 1174} 1175#endif 1176 1177struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1178struct list swpenclist = { swpencname, SWPENC_MAXID }; 1179 1180/* 1181 * handle swap encrypt requests 1182 */ 1183int 1184sysctl_swpenc(string, bufpp, mib, flags, typep) 1185 char *string; 1186 char **bufpp; 1187 int mib[]; 1188 int flags; 1189 int *typep; 1190{ 1191 int indx; 1192 1193 if (*bufpp == NULL) { 1194 listall(string, &swpenclist); 1195 return(-1); 1196 } 1197 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1198 return(-1); 1199 mib[2] = indx; 1200 *typep = swpenclist.list[indx].ctl_type; 1201 return(3); 1202} 1203 1204struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1205struct ctlname ipname[] = IPCTL_NAMES; 1206struct ctlname icmpname[] = ICMPCTL_NAMES; 1207struct ctlname ipipname[] = IPIPCTL_NAMES; 1208struct ctlname tcpname[] = TCPCTL_NAMES; 1209struct ctlname udpname[] = UDPCTL_NAMES; 1210struct ctlname espname[] = ESPCTL_NAMES; 1211struct ctlname ahname[] = AHCTL_NAMES; 1212struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1213struct ctlname grename[] = GRECTL_NAMES; 1214struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1215struct list inetlist = { inetname, IPPROTO_MAXID }; 1216struct list inetvars[] = { 1217 { ipname, IPCTL_MAXID }, /* ip */ 1218 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1219 { 0, 0 }, /* igmp */ 1220 { 0, 0 }, /* ggmp */ 1221 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1222 { 0, 0 }, 1223 { tcpname, TCPCTL_MAXID }, /* tcp */ 1224 { 0, 0 }, 1225 { 0, 0 }, /* egp */ 1226 { 0, 0 }, 1227 { 0, 0 }, 1228 { 0, 0 }, 1229 { 0, 0 }, /* pup */ 1230 { 0, 0 }, 1231 { 0, 0 }, 1232 { 0, 0 }, 1233 { 0, 0 }, 1234 { udpname, UDPCTL_MAXID }, /* udp */ 1235 { 0, 0 }, 1236 { 0, 0 }, 1237 { 0, 0 }, 1238 { 0, 0 }, 1239 { 0, 0 }, 1240 { 0, 0 }, 1241 { 0, 0 }, 1242 { 0, 0 }, 1243 { 0, 0 }, 1244 { 0, 0 }, 1245 { 0, 0 }, 1246 { 0, 0 }, 1247 { 0, 0 }, 1248 { 0, 0 }, 1249 { 0, 0 }, 1250 { 0, 0 }, 1251 { 0, 0 }, 1252 { 0, 0 }, 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 { grename, GRECTL_MAXID }, /* GRE */ 1265 { 0, 0 }, 1266 { 0, 0 }, 1267 { espname, ESPCTL_MAXID }, /* esp */ 1268 { ahname, AHCTL_MAXID }, /* ah */ 1269 { 0, 0 }, 1270 { 0, 0 }, 1271 { 0, 0 }, 1272 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 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 { 0, 0 }, 1283 { 0, 0 }, 1284 { 0, 0 }, 1285 { 0, 0 }, 1286 { 0, 0 }, 1287 { 0, 0 }, 1288 { 0, 0 }, 1289 { 0, 0 }, 1290 { 0, 0 }, 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 { etheripname, ETHERIPCTL_MAXID }, 1315}; 1316 1317struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1318struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1319struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1320struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1321 1322/* 1323 * handle vfs namei cache statistics 1324 */ 1325int 1326sysctl_nchstats(string, bufpp, mib, flags, typep) 1327 char *string; 1328 char **bufpp; 1329 int mib[]; 1330 int flags; 1331 int *typep; 1332{ 1333 static struct nchstats nch; 1334 int indx; 1335 size_t size; 1336 static int keepvalue = 0; 1337 1338 if (*bufpp == NULL) { 1339 bzero(&nch, sizeof(struct nchstats)); 1340 listall(string, &nchstatslist); 1341 return(-1); 1342 } 1343 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1344 return(-1); 1345 mib[2] = indx; 1346 if (*bufpp != NULL) { 1347 warnx("fourth level name in %s is invalid", string); 1348 return(-1); 1349 } 1350 if (keepvalue == 0) { 1351 size = sizeof(struct nchstats); 1352 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1353 return(-1); 1354 keepvalue = 1; 1355 } 1356 if (!nflag) 1357 (void)printf("%s = ", string); 1358 switch (indx) { 1359 case KERN_NCHSTATS_GOODHITS: 1360 (void)printf("%ld\n", nch.ncs_goodhits); 1361 break; 1362 case KERN_NCHSTATS_NEGHITS: 1363 (void)printf("%ld\n", nch.ncs_neghits); 1364 break; 1365 case KERN_NCHSTATS_BADHITS: 1366 (void)printf("%ld\n", nch.ncs_badhits); 1367 break; 1368 case KERN_NCHSTATS_FALSEHITS: 1369 (void)printf("%ld\n", nch.ncs_falsehits); 1370 break; 1371 case KERN_NCHSTATS_MISS: 1372 (void)printf("%ld\n", nch.ncs_miss); 1373 break; 1374 case KERN_NCHSTATS_LONG: 1375 (void)printf("%ld\n", nch.ncs_long); 1376 break; 1377 case KERN_NCHSTATS_PASS2: 1378 (void)printf("%ld\n", nch.ncs_pass2); 1379 break; 1380 case KERN_NCHSTATS_2PASSES: 1381 (void)printf("%ld\n", nch.ncs_2passes); 1382 break; 1383 } 1384 return(-1); 1385} 1386 1387/* 1388 * handle tty statistics 1389 */ 1390int 1391sysctl_tty(string, bufpp, mib, flags, typep) 1392 char *string; 1393 char **bufpp; 1394 int mib[]; 1395 int flags; 1396 int *typep; 1397{ 1398 int indx; 1399 1400 if (*bufpp == NULL) { 1401 listall(string, &ttylist); 1402 return(-1); 1403 } 1404 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1405 return(-1); 1406 mib[2] = indx; 1407 *typep = CTLTYPE_QUAD; 1408 return(3); 1409} 1410 1411/* 1412 * handle fork statistics 1413 */ 1414int 1415sysctl_forkstat(string, bufpp, mib, flags, typep) 1416 char *string; 1417 char **bufpp; 1418 int mib[]; 1419 int flags; 1420 int *typep; 1421{ 1422 static struct forkstat fks; 1423 static int keepvalue = 0; 1424 int indx; 1425 size_t size; 1426 1427 if (*bufpp == NULL) { 1428 bzero(&fks, sizeof(struct forkstat)); 1429 listall(string, &forkstatlist); 1430 return(-1); 1431 } 1432 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1433 return(-1); 1434 if (*bufpp != NULL) { 1435 warnx("fourth level name in %s is invalid", string); 1436 return(-1); 1437 } 1438 if (keepvalue == 0) { 1439 size = sizeof(struct forkstat); 1440 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1441 return(-1); 1442 keepvalue = 1; 1443 } 1444 if (!nflag) 1445 (void)printf("%s = ", string); 1446 switch (indx) { 1447 case KERN_FORKSTAT_FORK: 1448 (void)printf("%d\n", fks.cntfork); 1449 break; 1450 case KERN_FORKSTAT_VFORK: 1451 (void)printf("%d\n", fks.cntvfork); 1452 break; 1453 case KERN_FORKSTAT_RFORK: 1454 (void)printf("%d\n", fks.cntrfork); 1455 break; 1456 case KERN_FORKSTAT_KTHREAD: 1457 (void)printf("%d\n", fks.cntkthread); 1458 break; 1459 case KERN_FORKSTAT_SIZFORK: 1460 (void)printf("%d\n", fks.sizfork); 1461 break; 1462 case KERN_FORKSTAT_SIZVFORK: 1463 (void)printf("%d\n", fks.sizvfork); 1464 break; 1465 case KERN_FORKSTAT_SIZRFORK: 1466 (void)printf("%d\n", fks.sizrfork); 1467 break; 1468 case KERN_FORKSTAT_SIZKTHREAD: 1469 (void)printf("%d\n", fks.sizkthread); 1470 break; 1471 } 1472 return(-1); 1473} 1474 1475/* 1476 * handle malloc statistics 1477 */ 1478int 1479sysctl_malloc(string, bufpp, mib, flags, typep) 1480 char *string; 1481 char **bufpp; 1482 int mib[]; 1483 int flags; 1484 int *typep; 1485{ 1486 int indx, stor, i; 1487 char *name, bufp[BUFSIZ], *buf, *ptr; 1488 struct list lp; 1489 size_t size; 1490 1491 if (*bufpp == NULL) { 1492 listall(string, &kernmalloclist); 1493 return(-1); 1494 } 1495 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1496 return(-1); 1497 mib[2] = indx; 1498 if (mib[2] == KERN_MALLOC_BUCKET) { 1499 if ((name = strsep(bufpp, ".")) == NULL) { 1500 size = BUFSIZ; 1501 stor = mib[2]; 1502 mib[2] = KERN_MALLOC_BUCKETS; 1503 buf = bufp; 1504 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1505 return(-1); 1506 mib[2] = stor; 1507 for (stor = 0, i = 0; i < size; i++) 1508 if (buf[i] == ',') 1509 stor++; 1510 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1511 if (lp.list == NULL) 1512 return(-1); 1513 lp.size = stor + 2; 1514 for (i = 1; 1515 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1516 i++) { 1517 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1518 } 1519 lp.list[i].ctl_name = buf; 1520 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1521 listall(string, &lp); 1522 free(lp.list); 1523 return(-1); 1524 } 1525 mib[3] = atoi(name); 1526 return(4); 1527 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1528 *typep = CTLTYPE_STRING; 1529 return(3); 1530 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1531 size = BUFSIZ; 1532 stor = mib[2]; 1533 mib[2] = KERN_MALLOC_KMEMNAMES; 1534 buf = bufp; 1535 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1536 return(-1); 1537 mib[2] = stor; 1538 if ((name = strsep(bufpp, ".")) == NULL) { 1539 for (stor = 0, i = 0; i < size; i++) 1540 if (buf[i] == ',') 1541 stor++; 1542 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1543 if (lp.list == NULL) 1544 return(-1); 1545 lp.size = stor + 2; 1546 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1547 if (lp.list[i].ctl_name[0] == '\0') { 1548 i--; 1549 continue; 1550 } 1551 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1552 } 1553 lp.list[i].ctl_name = buf; 1554 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1555 listall(string, &lp); 1556 free(lp.list); 1557 return(-1); 1558 } 1559 ptr = strstr(buf, name); 1560 tryagain: 1561 if (ptr == NULL) { 1562 warnx("fourth level name %s in %s is invalid", name, 1563 string); 1564 return(-1); 1565 } 1566 if ((*(ptr + strlen(name)) != ',') && 1567 (*(ptr + strlen(name)) != '\0')) { 1568 ptr = strstr(ptr + 1, name); /* retry */ 1569 goto tryagain; 1570 } 1571 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1572 ptr = strstr(ptr + 1, name); /* retry */ 1573 goto tryagain; 1574 } 1575 for (i = 0, stor = 0; buf + i < ptr; i++) 1576 if (buf[i] == ',') 1577 stor++; 1578 mib[3] = stor; 1579 return(4); 1580 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1581 *typep = CTLTYPE_STRING; 1582 return(3); 1583 } 1584 return(-1); 1585} 1586 1587/* 1588 * handle internet requests 1589 */ 1590int 1591sysctl_inet(string, bufpp, mib, flags, typep) 1592 char *string; 1593 char **bufpp; 1594 int mib[]; 1595 int flags; 1596 int *typep; 1597{ 1598 struct list *lp; 1599 int indx; 1600 1601 if (*bufpp == NULL) { 1602 listall(string, &inetlist); 1603 return(-1); 1604 } 1605 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1606 return(-1); 1607 mib[2] = indx; 1608 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1609 lp = &inetvars[indx]; 1610 else if (!flags) 1611 return(-1); 1612 else { 1613 warnx("%s: no variables defined for this protocol", string); 1614 return(-1); 1615 } 1616 if (*bufpp == NULL) { 1617 listall(string, lp); 1618 return(-1); 1619 } 1620 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1621 return(-1); 1622 mib[3] = indx; 1623 *typep = lp->list[indx].ctl_type; 1624 return(4); 1625} 1626 1627#ifdef INET6 1628struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1629struct ctlname ip6name[] = IPV6CTL_NAMES; 1630struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1631struct ctlname pim6name[] = PIM6CTL_NAMES; 1632struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1633struct list inet6vars[] = { 1634/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1635 { 0, 0 }, 1636 { 0, 0 }, 1637 { 0, 0 }, 1638 { 0, 0 }, 1639 { 0, 0 }, 1640/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1641 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1642/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1643 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1644/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1645 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1646/*40*/ { 0, 0 }, 1647 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1648 { 0, 0 }, 1649 { 0, 0 }, 1650 { 0, 0 }, 1651 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1652/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1653 { 0, 0 }, 1654 { 0, 0 }, 1655 { 0, 0 }, 1656 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1657 { 0, 0 }, 1658/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1659 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1660/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1661 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1662/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1663 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1664/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1665 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1666/*100*/ { 0, 0 }, 1667 { 0, 0 }, 1668 { 0, 0 }, 1669 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1670}; 1671 1672/* 1673 * handle internet6 requests 1674 */ 1675int 1676sysctl_inet6(string, bufpp, mib, flags, typep) 1677 char *string; 1678 char **bufpp; 1679 int mib[]; 1680 int flags; 1681 int *typep; 1682{ 1683 struct list *lp; 1684 int indx; 1685 1686 if (*bufpp == NULL) { 1687 listall(string, &inet6list); 1688 return(-1); 1689 } 1690 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1691 return(-1); 1692 mib[2] = indx; 1693 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1694 lp = &inet6vars[indx]; 1695 else if (!flags) 1696 return(-1); 1697 else { 1698 warnx("%s: no variables defined for this protocol", string); 1699 return(-1); 1700 } 1701 if (*bufpp == NULL) { 1702 listall(string, lp); 1703 return(-1); 1704 } 1705 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1706 return(-1); 1707 mib[3] = indx; 1708 *typep = lp->list[indx].ctl_type; 1709 return(4); 1710} 1711#endif 1712 1713struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1714struct ctlname ipxpname[] = IPXCTL_NAMES; 1715struct ctlname spxpname[] = SPXCTL_NAMES; 1716struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1717struct list ipxvars[] = { 1718 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1719 { 0, 0 }, 1720 { 0, 0 }, 1721 { 0, 0 }, 1722 { 0, 0 }, 1723 { spxpname, SPXCTL_MAXID }, 1724}; 1725 1726/* 1727 * Handle internet requests 1728 */ 1729int 1730sysctl_ipx(string, bufpp, mib, flags, typep) 1731 char *string; 1732 char **bufpp; 1733 int mib[]; 1734 int flags; 1735 int *typep; 1736{ 1737 struct list *lp; 1738 int indx; 1739 1740 if (*bufpp == NULL) { 1741 listall(string, &ipxlist); 1742 return(-1); 1743 } 1744 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1745 return(-1); 1746 mib[2] = indx; 1747 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1748 lp = &ipxvars[indx]; 1749 else if (!flags) 1750 return(-1); 1751 else { 1752 warnx("%s: no variables defined for this protocol", string); 1753 return(-1); 1754 } 1755 if (*bufpp == NULL) { 1756 listall(string, lp); 1757 return(-1); 1758 } 1759 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1760 return(-1); 1761 mib[3] = indx; 1762 *typep = lp->list[indx].ctl_type; 1763 return(4); 1764} 1765 1766/* 1767 * Scan a list of names searching for a particular name. 1768 */ 1769int 1770findname(string, level, bufp, namelist) 1771 char *string; 1772 char *level; 1773 char **bufp; 1774 struct list *namelist; 1775{ 1776 char *name; 1777 int i; 1778 1779 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1780 warnx("%s: incomplete specification", string); 1781 return(-1); 1782 } 1783 for (i = 0; i < namelist->size; i++) 1784 if (namelist->list[i].ctl_name != NULL && 1785 strcmp(name, namelist->list[i].ctl_name) == 0) 1786 break; 1787 if (i == namelist->size) { 1788 warnx("%s level name %s in %s is invalid", level, name, string); 1789 return(-1); 1790 } 1791 return(i); 1792} 1793 1794void 1795usage() 1796{ 1797 1798 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1799 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1800 "sysctl [-n] -a", "sysctl [-n] -A"); 1801 exit(1); 1802} 1803