sysctl.c revision 1.75
1/* $OpenBSD: sysctl.c,v 1.75 2001/07/13 23:51:35 mickey 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 1.75 2001/07/13 23:51:35 mickey 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#include <netinet/ip_ipcomp.h> 84 85#ifdef INET6 86#include <netinet/ip6.h> 87#include <netinet/icmp6.h> 88#include <netinet6/ip6_var.h> 89#include <netinet6/pim6_var.h> 90#endif 91 92#include <uvm/uvm_swap_encrypt.h> 93 94#include <ufs/ufs/quota.h> 95#include <ufs/ufs/inode.h> 96#include <ufs/ffs/fs.h> 97#include <ufs/ffs/ffs_extern.h> 98 99#include <nfs/rpcv2.h> 100#include <nfs/nfsproto.h> 101#include <nfs/nfs.h> 102 103#include <netipx/ipx.h> 104#include <netipx/ipx_var.h> 105#include <netipx/spx_var.h> 106#include <ddb/db_var.h> 107#include <dev/rndvar.h> 108 109#include <err.h> 110#include <errno.h> 111#include <stdio.h> 112#include <stdlib.h> 113#include <string.h> 114#include <ctype.h> 115 116#ifdef CPU_BIOS 117#include <machine/biosvar.h> 118#endif 119 120struct ctlname topname[] = CTL_NAMES; 121struct ctlname kernname[] = CTL_KERN_NAMES; 122struct ctlname vmname[] = CTL_VM_NAMES; 123struct ctlname fsname[] = CTL_FS_NAMES; 124struct ctlname netname[] = CTL_NET_NAMES; 125struct ctlname hwname[] = CTL_HW_NAMES; 126struct ctlname username[] = CTL_USER_NAMES; 127struct ctlname debugname[CTL_DEBUG_MAXID]; 128struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES; 129struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES; 130struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES; 131struct ctlname ttyname[] = CTL_KERN_TTY_NAMES; 132struct ctlname *vfsname; 133#ifdef CTL_MACHDEP_NAMES 134struct ctlname machdepname[] = CTL_MACHDEP_NAMES; 135#endif 136struct ctlname ddbname[] = CTL_DDB_NAMES; 137char names[BUFSIZ]; 138int lastused; 139 140struct list { 141 struct ctlname *list; 142 int size; 143}; 144struct list toplist = { topname, CTL_MAXID }; 145struct list secondlevel[] = { 146 { 0, 0 }, /* CTL_UNSPEC */ 147 { kernname, KERN_MAXID }, /* CTL_KERN */ 148 { vmname, VM_MAXID }, /* CTL_VM */ 149 { fsname, FS_MAXID }, /* CTL_FS */ 150 { netname, NET_MAXID }, /* CTL_NET */ 151 { 0, CTL_DEBUG_MAXID }, /* CTL_DEBUG */ 152 { hwname, HW_MAXID }, /* CTL_HW */ 153#ifdef CTL_MACHDEP_NAMES 154 { machdepname, CPU_MAXID }, /* CTL_MACHDEP */ 155#else 156 { 0, 0 }, /* CTL_MACHDEP */ 157#endif 158 { username, USER_MAXID }, /* CTL_USER_NAMES */ 159 { ddbname, DBCTL_MAXID }, /* CTL_DDB_NAMES */ 160 { 0, 0 }, /* CTL_VFS */ 161}; 162 163int Aflag, aflag, nflag, wflag; 164 165/* 166 * Variables requiring special processing. 167 */ 168#define CLOCK 0x00000001 169#define BOOTTIME 0x00000002 170#define CHRDEV 0x00000004 171#define BLKDEV 0x00000008 172#define RNDSTATS 0x00000010 173#define BADDYNAMIC 0x00000020 174#define BIOSGEO 0x00000040 175#define BIOSDEV 0x00000080 176#define MAJ2DEV 0x00000100 177#define UNSIGNED 0x00000200 178#define KMEMBUCKETS 0x00000400 179#define LONGARRAY 0x00000800 180#define KMEMSTATS 0x00001000 181 182/* prototypes */ 183void debuginit __P((void)); 184void listall __P((char *, struct list *)); 185void parse __P((char *, int)); 186void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 187void usage __P((void)); 188int findname __P((char *, char *, char **, struct list *)); 189int sysctl_inet __P((char *, char **, int *, int, int *)); 190#ifdef INET6 191int sysctl_inet6 __P((char *, char **, int *, int, int *)); 192#endif 193int sysctl_ipx __P((char *, char **, int *, int, int *)); 194int sysctl_fs __P((char *, char **, int *, int, int *)); 195static int sysctl_vfs __P((char *, char **, int[], int, int *)); 196static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 197int sysctl_bios __P((char *, char **, int *, int, int *)); 198int sysctl_swpenc __P((char *, char **, int *, int, int *)); 199int sysctl_forkstat __P((char *, char **, int *, int, int *)); 200int sysctl_tty __P((char *, char **, int *, int, int *)); 201int sysctl_nchstats __P((char *, char **, int *, int, int *)); 202int sysctl_malloc __P((char *, char **, int *, int, int *)); 203void vfsinit __P((void)); 204 205int 206main(argc, argv) 207 int argc; 208 char *argv[]; 209{ 210 int ch, lvl1; 211 212 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 213 switch (ch) { 214 215 case 'A': 216 Aflag = 1; 217 break; 218 219 case 'a': 220 aflag = 1; 221 break; 222 223 case 'n': 224 nflag = 1; 225 break; 226 227 case 'w': 228 wflag = 1; 229 break; 230 231 default: 232 usage(); 233 } 234 } 235 argc -= optind; 236 argv += optind; 237 238 if (argc == 0 && (Aflag || aflag)) { 239 debuginit(); 240 vfsinit(); 241 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 242 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 243 return (0); 244 } 245 if (argc == 0) 246 usage(); 247 for (; *argv != NULL; ++argv) 248 parse(*argv, 1); 249 return (0); 250} 251 252/* 253 * List all variables known to the system. 254 */ 255void 256listall(prefix, lp) 257 char *prefix; 258 struct list *lp; 259{ 260 char *cp, name[BUFSIZ]; 261 int lvl2, len; 262 263 if (lp->list == NULL) 264 return; 265 if ((len = strlcpy(name, prefix, sizeof(name))) >= sizeof(name)) 266 warn("%s: name too long", prefix); 267 cp = name + len++; 268 *cp++ = '.'; 269 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 270 if (lp->list[lvl2].ctl_name == NULL) 271 continue; 272 if (strlcpy(cp, lp->list[lvl2].ctl_name, 273 sizeof(name) - len) >= sizeof(name) - len) 274 warn("%s: name too long", lp->list[lvl2].ctl_name); 275 parse(name, Aflag); 276 } 277} 278 279/* 280 * Parse a name into a MIB entry. 281 * Lookup and print out the MIB entry if it exists. 282 * Set a new value if requested. 283 */ 284void 285parse(string, flags) 286 char *string; 287 int flags; 288{ 289 int indx, type, state, intval, len; 290 size_t size, newsize = 0; 291 int lal = 0, special = 0; 292 void *newval = 0; 293 int64_t quadval; 294 struct list *lp; 295 int mib[CTL_MAXNAME]; 296 char *cp, *bufp, buf[BUFSIZ]; 297 298 (void)strlcpy(buf, string, sizeof(buf)); 299 bufp = buf; 300 if ((cp = strchr(string, '=')) != NULL) { 301 if (!wflag) 302 errx(2, "must specify -w to set variables"); 303 *strchr(buf, '=') = '\0'; 304 *cp++ = '\0'; 305 while (isspace(*cp)) 306 cp++; 307 newval = cp; 308 newsize = strlen(cp); 309 } 310 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 311 return; 312 mib[0] = indx; 313 if (indx == CTL_VFS) 314 vfsinit(); 315 if (indx == CTL_DEBUG) 316 debuginit(); 317 lp = &secondlevel[indx]; 318 if (lp->list == 0) { 319 warnx("%s: class is not implemented", topname[indx].ctl_name); 320 return; 321 } 322 if (bufp == NULL) { 323 listall(topname[indx].ctl_name, lp); 324 return; 325 } 326 if ((indx = findname(string, "second", &bufp, lp)) == -1) 327 return; 328 mib[1] = indx; 329 type = lp->list[indx].ctl_type; 330 len = 2; 331 switch (mib[0]) { 332 333 case CTL_KERN: 334 switch (mib[1]) { 335 case KERN_PROF: 336 mib[2] = GPROF_STATE; 337 size = sizeof(state); 338 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 339 if (flags == 0) 340 return; 341 if (!nflag) 342 (void)printf("%s: ", string); 343 (void)puts("kernel is not compiled for profiling"); 344 return; 345 } 346 if (!nflag) 347 (void)printf("%s = %s\n", string, 348 state == GMON_PROF_OFF ? "off" : "running"); 349 return; 350 case KERN_FORKSTAT: 351 sysctl_forkstat(string, &bufp, mib, flags, &type); 352 return; 353 case KERN_TTY: 354 len = sysctl_tty(string, &bufp, mib, flags, &type); 355 if (len < 0) 356 return; 357 newsize = 0; 358 break; 359 case KERN_NCHSTATS: 360 sysctl_nchstats(string, &bufp, mib, flags, &type); 361 return; 362 case KERN_MALLOCSTATS: 363 len = sysctl_malloc(string, &bufp, mib, flags, &type); 364 if (len < 0) 365 return; 366 if (mib[2] == KERN_MALLOC_BUCKET) 367 special |= KMEMBUCKETS; 368 if (mib[2] == KERN_MALLOC_KMEMSTATS) 369 special |= KMEMSTATS; 370 newsize = 0; 371 break; 372 case KERN_MSGBUF: 373 if (flags == 0) 374 return; 375 warnx("use dmesg to view %s", string); 376 return; 377 case KERN_VNODE: 378 case KERN_FILE: 379 if (flags == 0) 380 return; 381 warnx("use pstat to view %s information", string); 382 return; 383 case KERN_PROC: 384 if (flags == 0) 385 return; 386 warnx("use ps to view %s information", string); 387 return; 388 case KERN_NTPTIME: 389 if (flags == 0) 390 return; 391 warnx("use xntpdc to view %s information", string); 392 return; 393 case KERN_CLOCKRATE: 394 special |= CLOCK; 395 break; 396 case KERN_BOOTTIME: 397 special |= BOOTTIME; 398 break; 399 case KERN_RND: 400 special |= RNDSTATS; 401 break; 402 case KERN_HOSTID: 403 case KERN_ARND: 404 special |= UNSIGNED; 405 break; 406 case KERN_CPTIME: 407 special |= LONGARRAY; 408 lal = CPUSTATES; 409 break; 410 } 411 break; 412 413 case CTL_HW: 414 switch (mib[1]) { 415 case HW_DISKSTATS: 416 /* 417 * Only complain if someone asks explicitly for this, 418 * otherwise "fail" silently. 419 */ 420 if (flags) 421 warnx("use vmstat to view %s information", 422 string); 423 return; 424 } 425 break; 426 427 case CTL_VM: 428 if (mib[1] == VM_LOADAVG) { 429 double loads[3]; 430 431 getloadavg(loads, 3); 432 if (!nflag) 433 (void)printf("%s = ", string); 434 (void)printf("%.2f %.2f %.2f\n", loads[0], 435 loads[1], loads[2]); 436 return; 437 } else if (mib[1] == VM_PSSTRINGS) { 438 struct _ps_strings _ps; 439 440 size = sizeof(_ps); 441 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 442 if (flags == 0) 443 return; 444 if (!nflag) 445 (void)printf("%s: ", string); 446 (void)puts("can't find ps strings"); 447 return; 448 } 449 if (!nflag) 450 (void)printf("%s = ", string); 451 (void)printf("%p\n", _ps.val); 452 return; 453 } 454 else if (mib[1] == VM_SWAPENCRYPT) { 455 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 456 if (len < 0) 457 return; 458 459 break; 460 } 461 if (flags == 0) 462 return; 463 warnx("use vmstat or systat to view %s information", string); 464 return; 465 466 break; 467 468 case CTL_NET: 469 if (mib[1] == PF_INET) { 470 len = sysctl_inet(string, &bufp, mib, flags, &type); 471 if (len < 0) 472 return; 473 474 if ((mib[2] == IPPROTO_TCP && 475 mib[3] == TCPCTL_BADDYNAMIC) || 476 (mib[2] == IPPROTO_UDP && 477 mib[3] == UDPCTL_BADDYNAMIC)) { 478 479 special |= BADDYNAMIC; 480 481 if (newval != NULL) 482 parse_baddynamic(mib, len, string, 483 &newval, &newsize, flags, nflag); 484 } 485 break; 486 } 487#ifdef INET6 488 if (mib[1] == PF_INET6) { 489 len = sysctl_inet6(string, &bufp, mib, flags, &type); 490 if (len < 0) 491 return; 492 493 break; 494 } 495#endif 496 if (mib[1] == PF_IPX) { 497 len = sysctl_ipx(string, &bufp, mib, flags, &type); 498 if (len >= 0) 499 break; 500 return; 501 } 502 if (flags == 0) 503 return; 504 warnx("use netstat to view %s information", string); 505 return; 506 507 case CTL_DEBUG: 508 mib[2] = CTL_DEBUG_VALUE; 509 len = 3; 510 break; 511 512 case CTL_MACHDEP: 513#ifdef CPU_CONSDEV 514 if (mib[1] == CPU_CONSDEV) 515 special |= CHRDEV; 516#endif 517#ifdef CPU_BLK2CHR 518 if (mib[1] == CPU_BLK2CHR) { 519 if (bufp == NULL) 520 return; 521 mib[2] = makedev(atoi(bufp),0); 522 bufp = NULL; 523 len = 3; 524 special |= CHRDEV; 525 break; 526 } 527#endif 528#ifdef CPU_CHR2BLK 529 if (mib[1] == CPU_CHR2BLK) { 530 if (bufp == NULL) 531 return; 532 mib[2] = makedev(atoi(bufp),0); 533 bufp = NULL; 534 len = 3; 535 special |= BLKDEV; 536 break; 537 } 538#endif 539#ifdef CPU_BIOS 540 if (mib[1] == CPU_BIOS) { 541 len = sysctl_bios(string, &bufp, mib, flags, &type); 542 if (len < 0) 543 return; 544 if (mib[2] == BIOS_DEV) 545 special |= BIOSDEV; 546 if (mib[2] == BIOS_DISKINFO) 547 special |= BIOSGEO; 548 break; 549 } 550#endif 551 break; 552 553 case CTL_FS: 554 len = sysctl_fs(string, &bufp, mib, flags, &type); 555 if (len >= 0) 556 break; 557 return; 558 559 case CTL_VFS: 560 if (mib[1]) 561 len = sysctl_vfs(string, &bufp, mib, flags, &type); 562 else 563 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 564 if (len >= 0) { 565 if (type == CTLTYPE_STRUCT) { 566 if (flags) 567 warnx("use nfsstat to view %s information", 568 MOUNT_NFS); 569 return; 570 } else 571 break; 572 } 573 return; 574 575 case CTL_USER: 576 case CTL_DDB: 577 break; 578 579 default: 580 warnx("illegal top level value: %d", mib[0]); 581 return; 582 583 } 584 if (bufp) { 585 warnx("name %s in %s is unknown", bufp, string); 586 return; 587 } 588 if (newsize > 0) { 589 switch (type) { 590 case CTLTYPE_INT: 591 errno = 0; 592 if (special & UNSIGNED) 593 intval = strtoul(newval, &cp, 10); 594 else 595 intval = strtol(newval, &cp, 10); 596 if (*cp != '\0') { 597 warnx("%s: illegal value: %s", string, 598 (char *)newval); 599 return; 600 } 601 if (errno == ERANGE) { 602 warnx("%s: value %s out of range", string, 603 (char *)newval); 604 return; 605 } 606 newval = &intval; 607 newsize = sizeof(intval); 608 break; 609 610 case CTLTYPE_QUAD: 611 /* XXX - assumes sizeof(long long) == sizeof(quad_t) */ 612 (void)sscanf(newval, "%lld", (long long *)&quadval); 613 newval = &quadval; 614 newsize = sizeof(quadval); 615 break; 616 } 617 } 618 size = BUFSIZ; 619 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 620 if (flags == 0) 621 return; 622 switch (errno) { 623 case EOPNOTSUPP: 624 warnx("%s: value is not available", string); 625 return; 626 case ENOTDIR: 627 warnx("%s: specification is incomplete", string); 628 return; 629 case ENOMEM: 630 warnx("%s: type is unknown to this program", string); 631 return; 632 case ENXIO: 633 if (special & BIOSGEO) 634 return; 635 default: 636 warn("%s", string); 637 return; 638 } 639 } 640 if (special & KMEMBUCKETS) { 641 struct kmembuckets *kb = (struct kmembuckets *)buf; 642 if (!nflag) 643 (void)printf("%s = ", string); 644 printf("("); 645 printf("calls = %llu ", (long long)kb->kb_calls); 646 printf("total_allocated = %llu ", (long long)kb->kb_total); 647 printf("total_free = %lld ", (long long)kb->kb_totalfree); 648 printf("elements = %lld ", (long long)kb->kb_elmpercl); 649 printf("high watermark = %lld ", (long long)kb->kb_highwat); 650 printf("could_free = %lld", (long long)kb->kb_couldfree); 651 printf(")\n"); 652 return; 653 } 654 if (special & KMEMSTATS) { 655 struct kmemstats *km = (struct kmemstats *)buf; 656 int j, first = 1; 657 658 if (!nflag) 659 (void)printf("%s = ", string); 660 (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); 661 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 662 if ((km->ks_size & j ) == 0) 663 continue; 664 if (first) 665 (void)printf("%d", j); 666 else 667 (void)printf(",%d", j); 668 first = 0; 669 } 670 if (first) 671 (void)printf("none"); 672 (void)printf("))\n"); 673 return; 674 } 675 if (special & CLOCK) { 676 struct clockinfo *clkp = (struct clockinfo *)buf; 677 678 if (!nflag) 679 (void)printf("%s = ", string); 680 (void)printf( 681 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 682 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 683 return; 684 } 685 if (special & BOOTTIME) { 686 struct timeval *btp = (struct timeval *)buf; 687 time_t boottime; 688 689 if (!nflag) { 690 boottime = btp->tv_sec; 691 (void)printf("%s = %s", string, ctime(&boottime)); 692 } else 693 (void)printf("%ld\n", btp->tv_sec); 694 return; 695 } 696 if (special & BLKDEV) { 697 dev_t dev = *(dev_t *)buf; 698 699 if (!nflag) 700 (void)printf("%s = %s\n", string, 701 devname(dev, S_IFBLK)); 702 else 703 (void)printf("0x%x\n", dev); 704 return; 705 } 706 if (special & CHRDEV) { 707 dev_t dev = *(dev_t *)buf; 708 709 if (!nflag) 710 (void)printf("%s = %s\n", string, 711 devname(dev, S_IFCHR)); 712 else 713 (void)printf("0x%x\n", dev); 714 return; 715 } 716#ifdef CPU_BIOS 717 if (special & BIOSGEO) { 718 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 719 720 if (!nflag) 721 (void)printf("%s = ", string); 722 (void)printf("bootdev = 0x%x, " 723 "cylinders = %u, heads = %u, sectors = %u\n", 724 pdi->bsd_dev, pdi->bios_cylinders, 725 pdi->bios_heads, pdi->bios_sectors); 726 return; 727 } 728 if (special & BIOSDEV) { 729 int dev = *(int*)buf; 730 731 if (!nflag) 732 (void)printf("%s = ", string); 733 (void) printf("0x%02x\n", dev); 734 return; 735 } 736#endif 737 if (special & UNSIGNED) { 738 if (newsize == 0) { 739 if (!nflag) 740 (void)printf("%s = ", string); 741 (void)printf("%u\n", *(u_int *)buf); 742 } else { 743 if (!nflag) 744 (void)printf("%s: %u -> ", string, 745 *(u_int *)buf); 746 (void)printf("%u\n", *(u_int *)newval); 747 } 748 return; 749 } 750 if (special & RNDSTATS) { 751 struct rndstats *rndstats = (struct rndstats *)buf; 752 int i; 753 754 if (!nflag) 755 (void)printf("%s = ", string); 756 (void)printf( 757 "%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu", 758 (unsigned long long)rndstats->rnd_total, 759 (unsigned long long)rndstats->rnd_used, 760 (unsigned long long)rndstats->rnd_reads, 761 (unsigned long long)rndstats->arc4_reads, 762 (unsigned long long)rndstats->arc4_nstirs, 763 (unsigned long long)rndstats->arc4_stirs, 764 (unsigned long long)rndstats->rnd_pad[0], 765 (unsigned long long)rndstats->rnd_pad[1], 766 (unsigned long long)rndstats->rnd_pad[2], 767 (unsigned long long)rndstats->rnd_pad[3], 768 (unsigned long long)rndstats->rnd_pad[4], 769 (unsigned long long)rndstats->rnd_waits, 770 (unsigned long long)rndstats->rnd_enqs, 771 (unsigned long long)rndstats->rnd_deqs, 772 (unsigned long long)rndstats->rnd_drops, 773 (unsigned long long)rndstats->rnd_drople); 774 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 775 (void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); 776 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 777 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); 778 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 779 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]); 780 printf("\n"); 781 return; 782 } 783 if (special & BADDYNAMIC) { 784 in_port_t port, lastport; 785 u_int32_t *baddynamic = (u_int32_t *)buf; 786 787 if (!nflag) 788 (void)printf("%s%s", string, newsize ? ": " : " = "); 789 lastport = 0; 790 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 791 if (DP_ISSET(baddynamic, port)) { 792 (void)printf("%s%hd", lastport ? "," : "", 793 port); 794 lastport = port; 795 } 796 if (newsize != 0) { 797 if (!nflag) 798 fputs(" -> ", stdout); 799 baddynamic = (u_int32_t *)newval; 800 lastport = 0; 801 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 802 port++) 803 if (DP_ISSET(baddynamic, port)) { 804 (void)printf("%s%hd", 805 lastport ? "," : "", port); 806 lastport = port; 807 } 808 } 809 (void)putchar('\n'); 810 return; 811 } 812 if (special & LONGARRAY) { 813 long *la = (long *)buf; 814 if (!nflag) 815 printf("%s = ", string); 816 while (lal--) 817 printf("%ld%s", *la++, lal? ",":""); 818 putchar('\n'); 819 return; 820 } 821 switch (type) { 822 case CTLTYPE_INT: 823 if (newsize == 0) { 824 if (!nflag) 825 (void)printf("%s = ", string); 826 (void)printf("%d\n", *(int *)buf); 827 } else { 828 if (!nflag) 829 (void)printf("%s: %d -> ", string, 830 *(int *)buf); 831 (void)printf("%d\n", *(int *)newval); 832 } 833 return; 834 835 case CTLTYPE_STRING: 836 if (newval == NULL) { 837 if (!nflag) 838 (void)printf("%s = ", string); 839 (void)puts(buf); 840 } else { 841 if (!nflag) 842 (void)printf("%s: %s -> ", string, buf); 843 (void)puts((char *)newval); 844 } 845 return; 846 847 case CTLTYPE_QUAD: 848 if (newsize == 0) { 849 long long tmp = *(quad_t *)buf; 850 851 if (!nflag) 852 (void)printf("%s = ", string); 853 (void)printf("%lld\n", tmp); 854 } else { 855 long long tmp = *(quad_t *)buf; 856 857 if (!nflag) 858 (void)printf("%s: %lld -> ", string, tmp); 859 tmp = *(quad_t *)newval; 860 (void)printf("%qd\n", tmp); 861 } 862 return; 863 864 case CTLTYPE_STRUCT: 865 warnx("%s: unknown structure returned", string); 866 return; 867 868 default: 869 case CTLTYPE_NODE: 870 warnx("%s: unknown type returned", string); 871 return; 872 } 873} 874 875void 876parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 877 int mib[]; 878 size_t len; 879 char *string; 880 void **newvalp; 881 size_t *newsizep; 882 int flags; 883 int nflag; 884{ 885 static u_int32_t newbaddynamic[DP_MAPSIZE]; 886 in_port_t port; 887 size_t size; 888 char action, *cp; 889 890 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 891 size = sizeof(newbaddynamic); 892 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 893 if (flags == 0) 894 return; 895 if (!nflag) 896 (void)printf("%s: ", string); 897 (void)puts("kernel does contain bad dynamic port tables"); 898 return; 899 } 900 901 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 902 if (*cp != '+' && *cp != '-') 903 errx(1, "cannot mix +/- with full list"); 904 action = *cp++; 905 port = atoi(cp); 906 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 907 errx(1, "invalid port, range is %d to %d", 908 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 909 if (action == '+') 910 DP_SET(newbaddynamic, port); 911 else 912 DP_CLR(newbaddynamic, port); 913 } 914 } else { 915 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 916 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 917 port = atoi(cp); 918 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 919 errx(1, "invalid port, range is %d to %d", 920 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 921 DP_SET(newbaddynamic, port); 922 } 923 } 924 925 *newvalp = (void *)newbaddynamic; 926 *newsizep = sizeof(newbaddynamic); 927} 928 929/* 930 * Initialize the set of debugging names 931 */ 932void 933debuginit() 934{ 935 int mib[3], loc, i; 936 size_t size; 937 938 if (secondlevel[CTL_DEBUG].list != 0) 939 return; 940 secondlevel[CTL_DEBUG].list = debugname; 941 mib[0] = CTL_DEBUG; 942 mib[2] = CTL_DEBUG_NAME; 943 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 944 mib[1] = i; 945 size = BUFSIZ - loc; 946 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 947 continue; 948 debugname[i].ctl_name = &names[loc]; 949 debugname[i].ctl_type = CTLTYPE_INT; 950 loc += size; 951 } 952 lastused = loc; 953} 954 955struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 956struct ctlname ffsname[] = FFS_NAMES; 957struct ctlname nfsname[] = FS_NFS_NAMES; 958struct list *vfsvars; 959int *vfs_typenums; 960 961/* 962 * Initialize the set of filesystem names 963 */ 964void 965vfsinit() 966{ 967 int mib[4], maxtypenum, cnt, loc, size; 968 struct vfsconf vfc; 969 size_t buflen; 970 971 if (secondlevel[CTL_VFS].list != 0) 972 return; 973 mib[0] = CTL_VFS; 974 mib[1] = VFS_GENERIC; 975 mib[2] = VFS_MAXTYPENUM; 976 buflen = 4; 977 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 978 return; 979 maxtypenum++; /* + generic */ 980 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 981 return; 982 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 983 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 984 free(vfs_typenums); 985 return; 986 } 987 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 988 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 989 free(vfs_typenums); 990 free(vfsvars); 991 return; 992 } 993 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 994 mib[2] = VFS_CONF; 995 buflen = sizeof vfc; 996 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 997 mib[3] = cnt - 1; 998 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 999 if (errno == EOPNOTSUPP) 1000 continue; 1001 warn("vfsinit"); 1002 free(vfsname); 1003 return; 1004 } 1005 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 1006 vfsvars[cnt].list = ffsname; 1007 vfsvars[cnt].size = FFS_MAXID; 1008 } 1009 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 1010 vfsvars[cnt].list = nfsname; 1011 vfsvars[cnt].size = NFS_MAXID; 1012 } 1013 vfs_typenums[cnt] = vfc.vfc_typenum; 1014 strcat(&names[loc], vfc.vfc_name); 1015 vfsname[cnt].ctl_name = &names[loc]; 1016 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1017 size = strlen(vfc.vfc_name) + 1; 1018 loc += size; 1019 } 1020 lastused = loc; 1021 1022 vfsname[0].ctl_name = "mounts"; 1023 vfsname[0].ctl_type = CTLTYPE_NODE; 1024 vfsvars[0].list = vfsname + 1; 1025 vfsvars[0].size = maxtypenum - 1; 1026 1027 secondlevel[CTL_VFS].list = vfsname; 1028 secondlevel[CTL_VFS].size = maxtypenum; 1029 return; 1030} 1031 1032int 1033sysctl_vfsgen(string, bufpp, mib, flags, typep) 1034 char *string; 1035 char **bufpp; 1036 int mib[]; 1037 int flags; 1038 int *typep; 1039{ 1040 int indx; 1041 size_t size; 1042 struct vfsconf vfc; 1043 1044 if (*bufpp == NULL) { 1045 listall(string, vfsvars); 1046 return (-1); 1047 } 1048 1049 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1050 return (-1); 1051 1052 mib[1] = VFS_GENERIC; 1053 mib[2] = VFS_CONF; 1054 mib[3] = indx; 1055 size = sizeof vfc; 1056 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1057 if (errno != EOPNOTSUPP) 1058 warn("vfs print"); 1059 return -1; 1060 } 1061 if (flags == 0 && vfc.vfc_refcount == 0) 1062 return -1; 1063 if (!nflag) 1064 fprintf(stdout, "%s has %d mounted instance%s\n", 1065 string, vfc.vfc_refcount, 1066 vfc.vfc_refcount != 1 ? "s" : ""); 1067 else 1068 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1069 1070 return -1; 1071} 1072 1073int 1074sysctl_vfs(string, bufpp, mib, flags, typep) 1075 char *string; 1076 char **bufpp; 1077 int mib[]; 1078 int flags; 1079 int *typep; 1080{ 1081 struct list *lp = &vfsvars[mib[1]]; 1082 int indx; 1083 1084 if (lp->list == NULL) { 1085 if (flags) 1086 warnx("No variables defined for file system %s", string); 1087 return(-1); 1088 } 1089 if (*bufpp == NULL) { 1090 listall(string, lp); 1091 return (-1); 1092 } 1093 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1094 return (-1); 1095 1096 mib[1] = vfs_typenums[mib[1]]; 1097 mib[2] = indx; 1098 *typep = lp->list[indx].ctl_type; 1099 return (3); 1100} 1101 1102struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1103struct list fslist = { posixname, FS_POSIX_MAXID }; 1104 1105/* 1106 * handle file system requests 1107 */ 1108int 1109sysctl_fs(string, bufpp, mib, flags, typep) 1110 char *string; 1111 char **bufpp; 1112 int mib[]; 1113 int flags; 1114 int *typep; 1115{ 1116 int indx; 1117 1118 if (*bufpp == NULL) { 1119 listall(string, &fslist); 1120 return(-1); 1121 } 1122 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1123 return(-1); 1124 mib[2] = indx; 1125 *typep = fslist.list[indx].ctl_type; 1126 return(3); 1127} 1128 1129#ifdef CPU_BIOS 1130struct ctlname biosname[] = CTL_BIOS_NAMES; 1131struct list bioslist = { biosname, BIOS_MAXID }; 1132 1133/* 1134 * handle BIOS requests 1135 */ 1136int 1137sysctl_bios(string, bufpp, mib, flags, typep) 1138 char *string; 1139 char **bufpp; 1140 int mib[]; 1141 int flags; 1142 int *typep; 1143{ 1144 char *name; 1145 int indx; 1146 1147 if (*bufpp == NULL) { 1148 listall(string, &bioslist); 1149 return(-1); 1150 } 1151 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1152 return(-1); 1153 mib[2] = indx; 1154 if (indx == BIOS_DISKINFO) { 1155 if (*bufpp == NULL) { 1156 char name[BUFSIZ]; 1157 1158 /* scan all the bios devices */ 1159 for (indx = 0; indx < 256; indx++) { 1160 snprintf(name, sizeof(name), "%s.%u", 1161 string, indx); 1162 parse(name, 1); 1163 } 1164 return(-1); 1165 } 1166 if ((name = strsep(bufpp, ".")) == NULL) { 1167 warnx("%s: incomplete specification", string); 1168 return(-1); 1169 } 1170 mib[3] = atoi(name); 1171 *typep = CTLTYPE_STRUCT; 1172 return(4); 1173 } else { 1174 *typep = bioslist.list[indx].ctl_type; 1175 return(3); 1176 } 1177} 1178#endif 1179 1180struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1181struct list swpenclist = { swpencname, SWPENC_MAXID }; 1182 1183/* 1184 * handle swap encrypt requests 1185 */ 1186int 1187sysctl_swpenc(string, bufpp, mib, flags, typep) 1188 char *string; 1189 char **bufpp; 1190 int mib[]; 1191 int flags; 1192 int *typep; 1193{ 1194 int indx; 1195 1196 if (*bufpp == NULL) { 1197 listall(string, &swpenclist); 1198 return(-1); 1199 } 1200 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1201 return(-1); 1202 mib[2] = indx; 1203 *typep = swpenclist.list[indx].ctl_type; 1204 return(3); 1205} 1206 1207struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1208struct ctlname ipname[] = IPCTL_NAMES; 1209struct ctlname icmpname[] = ICMPCTL_NAMES; 1210struct ctlname ipipname[] = IPIPCTL_NAMES; 1211struct ctlname tcpname[] = TCPCTL_NAMES; 1212struct ctlname udpname[] = UDPCTL_NAMES; 1213struct ctlname espname[] = ESPCTL_NAMES; 1214struct ctlname ahname[] = AHCTL_NAMES; 1215struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1216struct ctlname grename[] = GRECTL_NAMES; 1217struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1218struct ctlname ipcompname[] = IPCOMPCTL_NAMES; 1219struct list inetlist = { inetname, IPPROTO_MAXID }; 1220struct list inetvars[] = { 1221 { ipname, IPCTL_MAXID }, /* ip */ 1222 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1223 { 0, 0 }, /* igmp */ 1224 { 0, 0 }, /* ggmp */ 1225 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1226 { 0, 0 }, 1227 { tcpname, TCPCTL_MAXID }, /* tcp */ 1228 { 0, 0 }, 1229 { 0, 0 }, /* egp */ 1230 { 0, 0 }, 1231 { 0, 0 }, 1232 { 0, 0 }, 1233 { 0, 0 }, /* pup */ 1234 { 0, 0 }, 1235 { 0, 0 }, 1236 { 0, 0 }, 1237 { 0, 0 }, 1238 { udpname, UDPCTL_MAXID }, /* udp */ 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 { 0, 0 }, 1265 { 0, 0 }, 1266 { 0, 0 }, 1267 { 0, 0 }, 1268 { grename, GRECTL_MAXID }, /* GRE */ 1269 { 0, 0 }, 1270 { 0, 0 }, 1271 { espname, ESPCTL_MAXID }, /* esp */ 1272 { ahname, AHCTL_MAXID }, /* ah */ 1273 { 0, 0 }, 1274 { 0, 0 }, 1275 { 0, 0 }, 1276 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 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 { 0, 0 }, 1315 { 0, 0 }, 1316 { 0, 0 }, 1317 { 0, 0 }, 1318 { etheripname, ETHERIPCTL_MAXID }, 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 { ipcompname, IPCOMPCTL_MAXID }, 1330}; 1331 1332struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1333struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1334struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1335struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1336 1337/* 1338 * handle vfs namei cache statistics 1339 */ 1340int 1341sysctl_nchstats(string, bufpp, mib, flags, typep) 1342 char *string; 1343 char **bufpp; 1344 int mib[]; 1345 int flags; 1346 int *typep; 1347{ 1348 static struct nchstats nch; 1349 int indx; 1350 size_t size; 1351 static int keepvalue = 0; 1352 1353 if (*bufpp == NULL) { 1354 bzero(&nch, sizeof(struct nchstats)); 1355 listall(string, &nchstatslist); 1356 return(-1); 1357 } 1358 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1359 return(-1); 1360 mib[2] = indx; 1361 if (*bufpp != NULL) { 1362 warnx("fourth level name in %s is invalid", string); 1363 return(-1); 1364 } 1365 if (keepvalue == 0) { 1366 size = sizeof(struct nchstats); 1367 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1368 return(-1); 1369 keepvalue = 1; 1370 } 1371 if (!nflag) 1372 (void)printf("%s = ", string); 1373 switch (indx) { 1374 case KERN_NCHSTATS_GOODHITS: 1375 (void)printf("%ld\n", nch.ncs_goodhits); 1376 break; 1377 case KERN_NCHSTATS_NEGHITS: 1378 (void)printf("%ld\n", nch.ncs_neghits); 1379 break; 1380 case KERN_NCHSTATS_BADHITS: 1381 (void)printf("%ld\n", nch.ncs_badhits); 1382 break; 1383 case KERN_NCHSTATS_FALSEHITS: 1384 (void)printf("%ld\n", nch.ncs_falsehits); 1385 break; 1386 case KERN_NCHSTATS_MISS: 1387 (void)printf("%ld\n", nch.ncs_miss); 1388 break; 1389 case KERN_NCHSTATS_LONG: 1390 (void)printf("%ld\n", nch.ncs_long); 1391 break; 1392 case KERN_NCHSTATS_PASS2: 1393 (void)printf("%ld\n", nch.ncs_pass2); 1394 break; 1395 case KERN_NCHSTATS_2PASSES: 1396 (void)printf("%ld\n", nch.ncs_2passes); 1397 break; 1398 } 1399 return(-1); 1400} 1401 1402/* 1403 * handle tty statistics 1404 */ 1405int 1406sysctl_tty(string, bufpp, mib, flags, typep) 1407 char *string; 1408 char **bufpp; 1409 int mib[]; 1410 int flags; 1411 int *typep; 1412{ 1413 int indx; 1414 1415 if (*bufpp == NULL) { 1416 listall(string, &ttylist); 1417 return(-1); 1418 } 1419 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1420 return(-1); 1421 mib[2] = indx; 1422 *typep = CTLTYPE_QUAD; 1423 return(3); 1424} 1425 1426/* 1427 * handle fork statistics 1428 */ 1429int 1430sysctl_forkstat(string, bufpp, mib, flags, typep) 1431 char *string; 1432 char **bufpp; 1433 int mib[]; 1434 int flags; 1435 int *typep; 1436{ 1437 static struct forkstat fks; 1438 static int keepvalue = 0; 1439 int indx; 1440 size_t size; 1441 1442 if (*bufpp == NULL) { 1443 bzero(&fks, sizeof(struct forkstat)); 1444 listall(string, &forkstatlist); 1445 return(-1); 1446 } 1447 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1448 return(-1); 1449 if (*bufpp != NULL) { 1450 warnx("fourth level name in %s is invalid", string); 1451 return(-1); 1452 } 1453 if (keepvalue == 0) { 1454 size = sizeof(struct forkstat); 1455 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1456 return(-1); 1457 keepvalue = 1; 1458 } 1459 if (!nflag) 1460 (void)printf("%s = ", string); 1461 switch (indx) { 1462 case KERN_FORKSTAT_FORK: 1463 (void)printf("%d\n", fks.cntfork); 1464 break; 1465 case KERN_FORKSTAT_VFORK: 1466 (void)printf("%d\n", fks.cntvfork); 1467 break; 1468 case KERN_FORKSTAT_RFORK: 1469 (void)printf("%d\n", fks.cntrfork); 1470 break; 1471 case KERN_FORKSTAT_KTHREAD: 1472 (void)printf("%d\n", fks.cntkthread); 1473 break; 1474 case KERN_FORKSTAT_SIZFORK: 1475 (void)printf("%d\n", fks.sizfork); 1476 break; 1477 case KERN_FORKSTAT_SIZVFORK: 1478 (void)printf("%d\n", fks.sizvfork); 1479 break; 1480 case KERN_FORKSTAT_SIZRFORK: 1481 (void)printf("%d\n", fks.sizrfork); 1482 break; 1483 case KERN_FORKSTAT_SIZKTHREAD: 1484 (void)printf("%d\n", fks.sizkthread); 1485 break; 1486 } 1487 return(-1); 1488} 1489 1490/* 1491 * handle malloc statistics 1492 */ 1493int 1494sysctl_malloc(string, bufpp, mib, flags, typep) 1495 char *string; 1496 char **bufpp; 1497 int mib[]; 1498 int flags; 1499 int *typep; 1500{ 1501 int indx, stor, i; 1502 char *name, bufp[BUFSIZ], *buf, *ptr; 1503 struct list lp; 1504 size_t size; 1505 1506 if (*bufpp == NULL) { 1507 listall(string, &kernmalloclist); 1508 return(-1); 1509 } 1510 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1511 return(-1); 1512 mib[2] = indx; 1513 if (mib[2] == KERN_MALLOC_BUCKET) { 1514 if ((name = strsep(bufpp, ".")) == NULL) { 1515 size = BUFSIZ; 1516 stor = mib[2]; 1517 mib[2] = KERN_MALLOC_BUCKETS; 1518 buf = bufp; 1519 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1520 return(-1); 1521 mib[2] = stor; 1522 for (stor = 0, i = 0; i < size; i++) 1523 if (buf[i] == ',') 1524 stor++; 1525 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1526 if (lp.list == NULL) 1527 return(-1); 1528 lp.size = stor + 2; 1529 for (i = 1; 1530 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1531 i++) { 1532 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1533 } 1534 lp.list[i].ctl_name = buf; 1535 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1536 listall(string, &lp); 1537 free(lp.list); 1538 return(-1); 1539 } 1540 mib[3] = atoi(name); 1541 return(4); 1542 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1543 *typep = CTLTYPE_STRING; 1544 return(3); 1545 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1546 size = BUFSIZ; 1547 stor = mib[2]; 1548 mib[2] = KERN_MALLOC_KMEMNAMES; 1549 buf = bufp; 1550 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1551 return(-1); 1552 mib[2] = stor; 1553 if ((name = strsep(bufpp, ".")) == NULL) { 1554 for (stor = 0, i = 0; i < size; i++) 1555 if (buf[i] == ',') 1556 stor++; 1557 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1558 if (lp.list == NULL) 1559 return(-1); 1560 lp.size = stor + 2; 1561 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1562 if (lp.list[i].ctl_name[0] == '\0') { 1563 i--; 1564 continue; 1565 } 1566 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1567 } 1568 lp.list[i].ctl_name = buf; 1569 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1570 listall(string, &lp); 1571 free(lp.list); 1572 return(-1); 1573 } 1574 ptr = strstr(buf, name); 1575 tryagain: 1576 if (ptr == NULL) { 1577 warnx("fourth level name %s in %s is invalid", name, 1578 string); 1579 return(-1); 1580 } 1581 if ((*(ptr + strlen(name)) != ',') && 1582 (*(ptr + strlen(name)) != '\0')) { 1583 ptr = strstr(ptr + 1, name); /* retry */ 1584 goto tryagain; 1585 } 1586 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1587 ptr = strstr(ptr + 1, name); /* retry */ 1588 goto tryagain; 1589 } 1590 for (i = 0, stor = 0; buf + i < ptr; i++) 1591 if (buf[i] == ',') 1592 stor++; 1593 mib[3] = stor; 1594 return(4); 1595 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1596 *typep = CTLTYPE_STRING; 1597 return(3); 1598 } 1599 return(-1); 1600} 1601 1602/* 1603 * handle internet requests 1604 */ 1605int 1606sysctl_inet(string, bufpp, mib, flags, typep) 1607 char *string; 1608 char **bufpp; 1609 int mib[]; 1610 int flags; 1611 int *typep; 1612{ 1613 struct list *lp; 1614 int indx; 1615 1616 if (*bufpp == NULL) { 1617 listall(string, &inetlist); 1618 return(-1); 1619 } 1620 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1621 return(-1); 1622 mib[2] = indx; 1623 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1624 lp = &inetvars[indx]; 1625 else if (!flags) 1626 return(-1); 1627 else { 1628 warnx("%s: no variables defined for this protocol", string); 1629 return(-1); 1630 } 1631 if (*bufpp == NULL) { 1632 listall(string, lp); 1633 return(-1); 1634 } 1635 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1636 return(-1); 1637 mib[3] = indx; 1638 *typep = lp->list[indx].ctl_type; 1639 return(4); 1640} 1641 1642#ifdef INET6 1643struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1644struct ctlname ip6name[] = IPV6CTL_NAMES; 1645struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1646struct ctlname pim6name[] = PIM6CTL_NAMES; 1647struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1648struct list inet6vars[] = { 1649/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1650 { 0, 0 }, 1651 { 0, 0 }, 1652 { 0, 0 }, 1653 { 0, 0 }, 1654 { 0, 0 }, 1655/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1656 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1657/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1658 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1659/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1660 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1661/*40*/ { 0, 0 }, 1662 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1663 { 0, 0 }, 1664 { 0, 0 }, 1665 { 0, 0 }, 1666 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1667/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1668 { 0, 0 }, 1669 { 0, 0 }, 1670 { 0, 0 }, 1671 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1672 { 0, 0 }, 1673/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1674 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1675/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1676 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1677/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1678 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1679/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1680 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1681/*100*/ { 0, 0 }, 1682 { 0, 0 }, 1683 { 0, 0 }, 1684 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1685}; 1686 1687/* 1688 * handle internet6 requests 1689 */ 1690int 1691sysctl_inet6(string, bufpp, mib, flags, typep) 1692 char *string; 1693 char **bufpp; 1694 int mib[]; 1695 int flags; 1696 int *typep; 1697{ 1698 struct list *lp; 1699 int indx; 1700 1701 if (*bufpp == NULL) { 1702 listall(string, &inet6list); 1703 return(-1); 1704 } 1705 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1706 return(-1); 1707 mib[2] = indx; 1708 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1709 lp = &inet6vars[indx]; 1710 else if (!flags) 1711 return(-1); 1712 else { 1713 warnx("%s: no variables defined for this protocol", string); 1714 return(-1); 1715 } 1716 if (*bufpp == NULL) { 1717 listall(string, lp); 1718 return(-1); 1719 } 1720 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1721 return(-1); 1722 mib[3] = indx; 1723 *typep = lp->list[indx].ctl_type; 1724 return(4); 1725} 1726#endif 1727 1728struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1729struct ctlname ipxpname[] = IPXCTL_NAMES; 1730struct ctlname spxpname[] = SPXCTL_NAMES; 1731struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1732struct list ipxvars[] = { 1733 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1734 { 0, 0 }, 1735 { 0, 0 }, 1736 { 0, 0 }, 1737 { 0, 0 }, 1738 { spxpname, SPXCTL_MAXID }, 1739}; 1740 1741/* 1742 * Handle internet requests 1743 */ 1744int 1745sysctl_ipx(string, bufpp, mib, flags, typep) 1746 char *string; 1747 char **bufpp; 1748 int mib[]; 1749 int flags; 1750 int *typep; 1751{ 1752 struct list *lp; 1753 int indx; 1754 1755 if (*bufpp == NULL) { 1756 listall(string, &ipxlist); 1757 return(-1); 1758 } 1759 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1760 return(-1); 1761 mib[2] = indx; 1762 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1763 lp = &ipxvars[indx]; 1764 else if (!flags) 1765 return(-1); 1766 else { 1767 warnx("%s: no variables defined for this protocol", string); 1768 return(-1); 1769 } 1770 if (*bufpp == NULL) { 1771 listall(string, lp); 1772 return(-1); 1773 } 1774 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1775 return(-1); 1776 mib[3] = indx; 1777 *typep = lp->list[indx].ctl_type; 1778 return(4); 1779} 1780 1781/* 1782 * Scan a list of names searching for a particular name. 1783 */ 1784int 1785findname(string, level, bufp, namelist) 1786 char *string; 1787 char *level; 1788 char **bufp; 1789 struct list *namelist; 1790{ 1791 char *name; 1792 int i; 1793 1794 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1795 warnx("%s: incomplete specification", string); 1796 return(-1); 1797 } 1798 for (i = 0; i < namelist->size; i++) 1799 if (namelist->list[i].ctl_name != NULL && 1800 strcmp(name, namelist->list[i].ctl_name) == 0) 1801 break; 1802 if (i == namelist->size) { 1803 warnx("%s level name %s in %s is invalid", level, name, string); 1804 return(-1); 1805 } 1806 return(i); 1807} 1808 1809void 1810usage() 1811{ 1812 1813 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1814 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1815 "sysctl [-n] -a", "sysctl [-n] -A"); 1816 exit(1); 1817} 1818