sysctl.c revision 1.74
1/* $OpenBSD: sysctl.c,v 1.74 2001/07/05 08:42:15 jjbg 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 1.74 2001/07/05 08:42:15 jjbg 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 warnx("use dmesg to view %s", string); 374 return; 375 case KERN_VNODE: 376 case KERN_FILE: 377 if (flags == 0) 378 return; 379 warnx("use pstat to view %s information", string); 380 return; 381 case KERN_PROC: 382 if (flags == 0) 383 return; 384 warnx("use ps to view %s information", string); 385 return; 386 case KERN_NTPTIME: 387 if (flags == 0) 388 return; 389 warnx("use xntpdc to view %s information", string); 390 return; 391 case KERN_CLOCKRATE: 392 special |= CLOCK; 393 break; 394 case KERN_BOOTTIME: 395 special |= BOOTTIME; 396 break; 397 case KERN_RND: 398 special |= RNDSTATS; 399 break; 400 case KERN_HOSTID: 401 case KERN_ARND: 402 special |= UNSIGNED; 403 break; 404 case KERN_CPTIME: 405 special |= LONGARRAY; 406 lal = CPUSTATES; 407 break; 408 } 409 break; 410 411 case CTL_HW: 412 switch (mib[1]) { 413 case HW_DISKSTATS: 414 /* 415 * Only complain if someone asks explicitly for this, 416 * otherwise "fail" silently. 417 */ 418 if (flags) 419 warnx("use vmstat to view %s information", 420 string); 421 return; 422 } 423 break; 424 425 case CTL_VM: 426 if (mib[1] == VM_LOADAVG) { 427 double loads[3]; 428 429 getloadavg(loads, 3); 430 if (!nflag) 431 (void)printf("%s = ", string); 432 (void)printf("%.2f %.2f %.2f\n", loads[0], 433 loads[1], loads[2]); 434 return; 435 } else if (mib[1] == VM_PSSTRINGS) { 436 struct _ps_strings _ps; 437 438 size = sizeof(_ps); 439 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 440 if (flags == 0) 441 return; 442 if (!nflag) 443 (void)printf("%s: ", string); 444 (void)puts("can't find ps strings"); 445 return; 446 } 447 if (!nflag) 448 (void)printf("%s = ", string); 449 (void)printf("%p\n", _ps.val); 450 return; 451 } 452 else if (mib[1] == VM_SWAPENCRYPT) { 453 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 454 if (len < 0) 455 return; 456 457 break; 458 } 459 if (flags == 0) 460 return; 461 warnx("use vmstat or systat to view %s information", string); 462 return; 463 464 break; 465 466 case CTL_NET: 467 if (mib[1] == PF_INET) { 468 len = sysctl_inet(string, &bufp, mib, flags, &type); 469 if (len < 0) 470 return; 471 472 if ((mib[2] == IPPROTO_TCP && 473 mib[3] == TCPCTL_BADDYNAMIC) || 474 (mib[2] == IPPROTO_UDP && 475 mib[3] == UDPCTL_BADDYNAMIC)) { 476 477 special |= BADDYNAMIC; 478 479 if (newval != NULL) 480 parse_baddynamic(mib, len, string, 481 &newval, &newsize, flags, nflag); 482 } 483 break; 484 } 485#ifdef INET6 486 if (mib[1] == PF_INET6) { 487 len = sysctl_inet6(string, &bufp, mib, flags, &type); 488 if (len < 0) 489 return; 490 491 break; 492 } 493#endif 494 if (mib[1] == PF_IPX) { 495 len = sysctl_ipx(string, &bufp, mib, flags, &type); 496 if (len >= 0) 497 break; 498 return; 499 } 500 if (flags == 0) 501 return; 502 warnx("use netstat to view %s information", string); 503 return; 504 505 case CTL_DEBUG: 506 mib[2] = CTL_DEBUG_VALUE; 507 len = 3; 508 break; 509 510 case CTL_MACHDEP: 511#ifdef CPU_CONSDEV 512 if (mib[1] == CPU_CONSDEV) 513 special |= CHRDEV; 514#endif 515#ifdef CPU_BLK2CHR 516 if (mib[1] == CPU_BLK2CHR) { 517 if (bufp == NULL) 518 return; 519 mib[2] = makedev(atoi(bufp),0); 520 bufp = NULL; 521 len = 3; 522 special |= CHRDEV; 523 break; 524 } 525#endif 526#ifdef CPU_CHR2BLK 527 if (mib[1] == CPU_CHR2BLK) { 528 if (bufp == NULL) 529 return; 530 mib[2] = makedev(atoi(bufp),0); 531 bufp = NULL; 532 len = 3; 533 special |= BLKDEV; 534 break; 535 } 536#endif 537#ifdef CPU_BIOS 538 if (mib[1] == CPU_BIOS) { 539 len = sysctl_bios(string, &bufp, mib, flags, &type); 540 if (len < 0) 541 return; 542 if (mib[2] == BIOS_DEV) 543 special |= BIOSDEV; 544 if (mib[2] == BIOS_DISKINFO) 545 special |= BIOSGEO; 546 break; 547 } 548#endif 549 break; 550 551 case CTL_FS: 552 len = sysctl_fs(string, &bufp, mib, flags, &type); 553 if (len >= 0) 554 break; 555 return; 556 557 case CTL_VFS: 558 if (mib[1]) 559 len = sysctl_vfs(string, &bufp, mib, flags, &type); 560 else 561 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 562 if (len >= 0) { 563 if (type == CTLTYPE_STRUCT) { 564 if (flags) 565 warnx("use nfsstat to view %s information", 566 MOUNT_NFS); 567 return; 568 } else 569 break; 570 } 571 return; 572 573 case CTL_USER: 574 case CTL_DDB: 575 break; 576 577 default: 578 warnx("illegal top level value: %d", mib[0]); 579 return; 580 581 } 582 if (bufp) { 583 warnx("name %s in %s is unknown", bufp, string); 584 return; 585 } 586 if (newsize > 0) { 587 switch (type) { 588 case CTLTYPE_INT: 589 errno = 0; 590 if (special & UNSIGNED) 591 intval = strtoul(newval, &cp, 10); 592 else 593 intval = strtol(newval, &cp, 10); 594 if (*cp != '\0') { 595 warnx("%s: illegal value: %s", string, 596 (char *)newval); 597 return; 598 } 599 if (errno == ERANGE) { 600 warnx("%s: value %s out of range", string, 601 (char *)newval); 602 return; 603 } 604 newval = &intval; 605 newsize = sizeof(intval); 606 break; 607 608 case CTLTYPE_QUAD: 609 /* XXX - assumes sizeof(long long) == sizeof(quad_t) */ 610 (void)sscanf(newval, "%lld", (long long *)&quadval); 611 newval = &quadval; 612 newsize = sizeof(quadval); 613 break; 614 } 615 } 616 size = BUFSIZ; 617 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 618 if (flags == 0) 619 return; 620 switch (errno) { 621 case EOPNOTSUPP: 622 warnx("%s: value is not available", string); 623 return; 624 case ENOTDIR: 625 warnx("%s: specification is incomplete", string); 626 return; 627 case ENOMEM: 628 warnx("%s: type is unknown to this program", string); 629 return; 630 case ENXIO: 631 if (special & BIOSGEO) 632 return; 633 default: 634 warn("%s", string); 635 return; 636 } 637 } 638 if (special & KMEMBUCKETS) { 639 struct kmembuckets *kb = (struct kmembuckets *)buf; 640 if (!nflag) 641 (void)printf("%s = ", string); 642 printf("("); 643 printf("calls = %llu ", (long long)kb->kb_calls); 644 printf("total_allocated = %llu ", (long long)kb->kb_total); 645 printf("total_free = %lld ", (long long)kb->kb_totalfree); 646 printf("elements = %lld ", (long long)kb->kb_elmpercl); 647 printf("high watermark = %lld ", (long long)kb->kb_highwat); 648 printf("could_free = %lld", (long long)kb->kb_couldfree); 649 printf(")\n"); 650 return; 651 } 652 if (special & KMEMSTATS) { 653 struct kmemstats *km = (struct kmemstats *)buf; 654 int j, first = 1; 655 656 if (!nflag) 657 (void)printf("%s = ", string); 658 (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); 659 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 660 if ((km->ks_size & j ) == 0) 661 continue; 662 if (first) 663 (void)printf("%d", j); 664 else 665 (void)printf(",%d", j); 666 first = 0; 667 } 668 if (first) 669 (void)printf("none"); 670 (void)printf("))\n"); 671 return; 672 } 673 if (special & CLOCK) { 674 struct clockinfo *clkp = (struct clockinfo *)buf; 675 676 if (!nflag) 677 (void)printf("%s = ", string); 678 (void)printf( 679 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 680 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 681 return; 682 } 683 if (special & BOOTTIME) { 684 struct timeval *btp = (struct timeval *)buf; 685 time_t boottime; 686 687 if (!nflag) { 688 boottime = btp->tv_sec; 689 (void)printf("%s = %s", string, ctime(&boottime)); 690 } else 691 (void)printf("%ld\n", btp->tv_sec); 692 return; 693 } 694 if (special & BLKDEV) { 695 dev_t dev = *(dev_t *)buf; 696 697 if (!nflag) 698 (void)printf("%s = %s\n", string, 699 devname(dev, S_IFBLK)); 700 else 701 (void)printf("0x%x\n", dev); 702 return; 703 } 704 if (special & CHRDEV) { 705 dev_t dev = *(dev_t *)buf; 706 707 if (!nflag) 708 (void)printf("%s = %s\n", string, 709 devname(dev, S_IFCHR)); 710 else 711 (void)printf("0x%x\n", dev); 712 return; 713 } 714#ifdef CPU_BIOS 715 if (special & BIOSGEO) { 716 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 717 718 if (!nflag) 719 (void)printf("%s = ", string); 720 (void)printf("bootdev = 0x%x, " 721 "cylinders = %u, heads = %u, sectors = %u\n", 722 pdi->bsd_dev, pdi->bios_cylinders, 723 pdi->bios_heads, pdi->bios_sectors); 724 return; 725 } 726 if (special & BIOSDEV) { 727 int dev = *(int*)buf; 728 729 if (!nflag) 730 (void)printf("%s = ", string); 731 (void) printf("0x%02x\n", dev); 732 return; 733 } 734#endif 735 if (special & UNSIGNED) { 736 if (newsize == 0) { 737 if (!nflag) 738 (void)printf("%s = ", string); 739 (void)printf("%u\n", *(u_int *)buf); 740 } else { 741 if (!nflag) 742 (void)printf("%s: %u -> ", string, 743 *(u_int *)buf); 744 (void)printf("%u\n", *(u_int *)newval); 745 } 746 return; 747 } 748 if (special & RNDSTATS) { 749 struct rndstats *rndstats = (struct rndstats *)buf; 750 int i; 751 752 if (!nflag) 753 (void)printf("%s = ", string); 754 (void)printf( 755 "%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu", 756 (unsigned long long)rndstats->rnd_total, 757 (unsigned long long)rndstats->rnd_used, 758 (unsigned long long)rndstats->rnd_reads, 759 (unsigned long long)rndstats->arc4_reads, 760 (unsigned long long)rndstats->arc4_nstirs, 761 (unsigned long long)rndstats->arc4_stirs, 762 (unsigned long long)rndstats->rnd_pad[0], 763 (unsigned long long)rndstats->rnd_pad[1], 764 (unsigned long long)rndstats->rnd_pad[2], 765 (unsigned long long)rndstats->rnd_pad[3], 766 (unsigned long long)rndstats->rnd_pad[4], 767 (unsigned long long)rndstats->rnd_waits, 768 (unsigned long long)rndstats->rnd_enqs, 769 (unsigned long long)rndstats->rnd_deqs, 770 (unsigned long long)rndstats->rnd_drops, 771 (unsigned long long)rndstats->rnd_drople); 772 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 773 (void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); 774 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 775 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); 776 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 777 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]); 778 printf("\n"); 779 return; 780 } 781 if (special & BADDYNAMIC) { 782 in_port_t port, lastport; 783 u_int32_t *baddynamic = (u_int32_t *)buf; 784 785 if (!nflag) 786 (void)printf("%s%s", string, newsize ? ": " : " = "); 787 lastport = 0; 788 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 789 if (DP_ISSET(baddynamic, port)) { 790 (void)printf("%s%hd", lastport ? "," : "", 791 port); 792 lastport = port; 793 } 794 if (newsize != 0) { 795 if (!nflag) 796 fputs(" -> ", stdout); 797 baddynamic = (u_int32_t *)newval; 798 lastport = 0; 799 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 800 port++) 801 if (DP_ISSET(baddynamic, port)) { 802 (void)printf("%s%hd", 803 lastport ? "," : "", port); 804 lastport = port; 805 } 806 } 807 (void)putchar('\n'); 808 return; 809 } 810 if (special & LONGARRAY) { 811 long *la = (long *)buf; 812 if (!nflag) 813 printf("%s = ", string); 814 while (lal--) 815 printf("%ld%s", *la++, lal? ",":""); 816 putchar('\n'); 817 return; 818 } 819 switch (type) { 820 case CTLTYPE_INT: 821 if (newsize == 0) { 822 if (!nflag) 823 (void)printf("%s = ", string); 824 (void)printf("%d\n", *(int *)buf); 825 } else { 826 if (!nflag) 827 (void)printf("%s: %d -> ", string, 828 *(int *)buf); 829 (void)printf("%d\n", *(int *)newval); 830 } 831 return; 832 833 case CTLTYPE_STRING: 834 if (newval == NULL) { 835 if (!nflag) 836 (void)printf("%s = ", string); 837 (void)puts(buf); 838 } else { 839 if (!nflag) 840 (void)printf("%s: %s -> ", string, buf); 841 (void)puts((char *)newval); 842 } 843 return; 844 845 case CTLTYPE_QUAD: 846 if (newsize == 0) { 847 long long tmp = *(quad_t *)buf; 848 849 if (!nflag) 850 (void)printf("%s = ", string); 851 (void)printf("%lld\n", tmp); 852 } else { 853 long long tmp = *(quad_t *)buf; 854 855 if (!nflag) 856 (void)printf("%s: %lld -> ", string, tmp); 857 tmp = *(quad_t *)newval; 858 (void)printf("%qd\n", tmp); 859 } 860 return; 861 862 case CTLTYPE_STRUCT: 863 warnx("%s: unknown structure returned", string); 864 return; 865 866 default: 867 case CTLTYPE_NODE: 868 warnx("%s: unknown type returned", string); 869 return; 870 } 871} 872 873void 874parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 875 int mib[]; 876 size_t len; 877 char *string; 878 void **newvalp; 879 size_t *newsizep; 880 int flags; 881 int nflag; 882{ 883 static u_int32_t newbaddynamic[DP_MAPSIZE]; 884 in_port_t port; 885 size_t size; 886 char action, *cp; 887 888 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 889 size = sizeof(newbaddynamic); 890 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 891 if (flags == 0) 892 return; 893 if (!nflag) 894 (void)printf("%s: ", string); 895 (void)puts("kernel does contain bad dynamic port tables"); 896 return; 897 } 898 899 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 900 if (*cp != '+' && *cp != '-') 901 errx(1, "cannot mix +/- with full list"); 902 action = *cp++; 903 port = atoi(cp); 904 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 905 errx(1, "invalid port, range is %d to %d", 906 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 907 if (action == '+') 908 DP_SET(newbaddynamic, port); 909 else 910 DP_CLR(newbaddynamic, port); 911 } 912 } else { 913 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 914 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 915 port = atoi(cp); 916 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 917 errx(1, "invalid port, range is %d to %d", 918 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 919 DP_SET(newbaddynamic, port); 920 } 921 } 922 923 *newvalp = (void *)newbaddynamic; 924 *newsizep = sizeof(newbaddynamic); 925} 926 927/* 928 * Initialize the set of debugging names 929 */ 930void 931debuginit() 932{ 933 int mib[3], loc, i; 934 size_t size; 935 936 if (secondlevel[CTL_DEBUG].list != 0) 937 return; 938 secondlevel[CTL_DEBUG].list = debugname; 939 mib[0] = CTL_DEBUG; 940 mib[2] = CTL_DEBUG_NAME; 941 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 942 mib[1] = i; 943 size = BUFSIZ - loc; 944 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 945 continue; 946 debugname[i].ctl_name = &names[loc]; 947 debugname[i].ctl_type = CTLTYPE_INT; 948 loc += size; 949 } 950 lastused = loc; 951} 952 953struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 954struct ctlname ffsname[] = FFS_NAMES; 955struct ctlname nfsname[] = FS_NFS_NAMES; 956struct list *vfsvars; 957int *vfs_typenums; 958 959/* 960 * Initialize the set of filesystem names 961 */ 962void 963vfsinit() 964{ 965 int mib[4], maxtypenum, cnt, loc, size; 966 struct vfsconf vfc; 967 size_t buflen; 968 969 if (secondlevel[CTL_VFS].list != 0) 970 return; 971 mib[0] = CTL_VFS; 972 mib[1] = VFS_GENERIC; 973 mib[2] = VFS_MAXTYPENUM; 974 buflen = 4; 975 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 976 return; 977 maxtypenum++; /* + generic */ 978 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 979 return; 980 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 981 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 982 free(vfs_typenums); 983 return; 984 } 985 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 986 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 987 free(vfs_typenums); 988 free(vfsvars); 989 return; 990 } 991 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 992 mib[2] = VFS_CONF; 993 buflen = sizeof vfc; 994 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 995 mib[3] = cnt - 1; 996 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 997 if (errno == EOPNOTSUPP) 998 continue; 999 warn("vfsinit"); 1000 free(vfsname); 1001 return; 1002 } 1003 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 1004 vfsvars[cnt].list = ffsname; 1005 vfsvars[cnt].size = FFS_MAXID; 1006 } 1007 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 1008 vfsvars[cnt].list = nfsname; 1009 vfsvars[cnt].size = NFS_MAXID; 1010 } 1011 vfs_typenums[cnt] = vfc.vfc_typenum; 1012 strcat(&names[loc], vfc.vfc_name); 1013 vfsname[cnt].ctl_name = &names[loc]; 1014 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1015 size = strlen(vfc.vfc_name) + 1; 1016 loc += size; 1017 } 1018 lastused = loc; 1019 1020 vfsname[0].ctl_name = "mounts"; 1021 vfsname[0].ctl_type = CTLTYPE_NODE; 1022 vfsvars[0].list = vfsname + 1; 1023 vfsvars[0].size = maxtypenum - 1; 1024 1025 secondlevel[CTL_VFS].list = vfsname; 1026 secondlevel[CTL_VFS].size = maxtypenum; 1027 return; 1028} 1029 1030int 1031sysctl_vfsgen(string, bufpp, mib, flags, typep) 1032 char *string; 1033 char **bufpp; 1034 int mib[]; 1035 int flags; 1036 int *typep; 1037{ 1038 int indx; 1039 size_t size; 1040 struct vfsconf vfc; 1041 1042 if (*bufpp == NULL) { 1043 listall(string, vfsvars); 1044 return (-1); 1045 } 1046 1047 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1048 return (-1); 1049 1050 mib[1] = VFS_GENERIC; 1051 mib[2] = VFS_CONF; 1052 mib[3] = indx; 1053 size = sizeof vfc; 1054 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1055 if (errno != EOPNOTSUPP) 1056 warn("vfs print"); 1057 return -1; 1058 } 1059 if (flags == 0 && vfc.vfc_refcount == 0) 1060 return -1; 1061 if (!nflag) 1062 fprintf(stdout, "%s has %d mounted instance%s\n", 1063 string, vfc.vfc_refcount, 1064 vfc.vfc_refcount != 1 ? "s" : ""); 1065 else 1066 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1067 1068 return -1; 1069} 1070 1071int 1072sysctl_vfs(string, bufpp, mib, flags, typep) 1073 char *string; 1074 char **bufpp; 1075 int mib[]; 1076 int flags; 1077 int *typep; 1078{ 1079 struct list *lp = &vfsvars[mib[1]]; 1080 int indx; 1081 1082 if (lp->list == NULL) { 1083 if (flags) 1084 warnx("No variables defined for file system %s", string); 1085 return(-1); 1086 } 1087 if (*bufpp == NULL) { 1088 listall(string, lp); 1089 return (-1); 1090 } 1091 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1092 return (-1); 1093 1094 mib[1] = vfs_typenums[mib[1]]; 1095 mib[2] = indx; 1096 *typep = lp->list[indx].ctl_type; 1097 return (3); 1098} 1099 1100struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1101struct list fslist = { posixname, FS_POSIX_MAXID }; 1102 1103/* 1104 * handle file system requests 1105 */ 1106int 1107sysctl_fs(string, bufpp, mib, flags, typep) 1108 char *string; 1109 char **bufpp; 1110 int mib[]; 1111 int flags; 1112 int *typep; 1113{ 1114 int indx; 1115 1116 if (*bufpp == NULL) { 1117 listall(string, &fslist); 1118 return(-1); 1119 } 1120 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1121 return(-1); 1122 mib[2] = indx; 1123 *typep = fslist.list[indx].ctl_type; 1124 return(3); 1125} 1126 1127#ifdef CPU_BIOS 1128struct ctlname biosname[] = CTL_BIOS_NAMES; 1129struct list bioslist = { biosname, BIOS_MAXID }; 1130 1131/* 1132 * handle BIOS requests 1133 */ 1134int 1135sysctl_bios(string, bufpp, mib, flags, typep) 1136 char *string; 1137 char **bufpp; 1138 int mib[]; 1139 int flags; 1140 int *typep; 1141{ 1142 char *name; 1143 int indx; 1144 1145 if (*bufpp == NULL) { 1146 listall(string, &bioslist); 1147 return(-1); 1148 } 1149 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1150 return(-1); 1151 mib[2] = indx; 1152 if (indx == BIOS_DISKINFO) { 1153 if (*bufpp == NULL) { 1154 char name[BUFSIZ]; 1155 1156 /* scan all the bios devices */ 1157 for (indx = 0; indx < 256; indx++) { 1158 snprintf(name, sizeof(name), "%s.%u", 1159 string, indx); 1160 parse(name, 1); 1161 } 1162 return(-1); 1163 } 1164 if ((name = strsep(bufpp, ".")) == NULL) { 1165 warnx("%s: incomplete specification", string); 1166 return(-1); 1167 } 1168 mib[3] = atoi(name); 1169 *typep = CTLTYPE_STRUCT; 1170 return(4); 1171 } else { 1172 *typep = bioslist.list[indx].ctl_type; 1173 return(3); 1174 } 1175} 1176#endif 1177 1178struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1179struct list swpenclist = { swpencname, SWPENC_MAXID }; 1180 1181/* 1182 * handle swap encrypt requests 1183 */ 1184int 1185sysctl_swpenc(string, bufpp, mib, flags, typep) 1186 char *string; 1187 char **bufpp; 1188 int mib[]; 1189 int flags; 1190 int *typep; 1191{ 1192 int indx; 1193 1194 if (*bufpp == NULL) { 1195 listall(string, &swpenclist); 1196 return(-1); 1197 } 1198 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1199 return(-1); 1200 mib[2] = indx; 1201 *typep = swpenclist.list[indx].ctl_type; 1202 return(3); 1203} 1204 1205struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1206struct ctlname ipname[] = IPCTL_NAMES; 1207struct ctlname icmpname[] = ICMPCTL_NAMES; 1208struct ctlname ipipname[] = IPIPCTL_NAMES; 1209struct ctlname tcpname[] = TCPCTL_NAMES; 1210struct ctlname udpname[] = UDPCTL_NAMES; 1211struct ctlname espname[] = ESPCTL_NAMES; 1212struct ctlname ahname[] = AHCTL_NAMES; 1213struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1214struct ctlname grename[] = GRECTL_NAMES; 1215struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1216struct ctlname ipcompname[] = IPCOMPCTL_NAMES; 1217struct list inetlist = { inetname, IPPROTO_MAXID }; 1218struct list inetvars[] = { 1219 { ipname, IPCTL_MAXID }, /* ip */ 1220 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1221 { 0, 0 }, /* igmp */ 1222 { 0, 0 }, /* ggmp */ 1223 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1224 { 0, 0 }, 1225 { tcpname, TCPCTL_MAXID }, /* tcp */ 1226 { 0, 0 }, 1227 { 0, 0 }, /* egp */ 1228 { 0, 0 }, 1229 { 0, 0 }, 1230 { 0, 0 }, 1231 { 0, 0 }, /* pup */ 1232 { 0, 0 }, 1233 { 0, 0 }, 1234 { 0, 0 }, 1235 { 0, 0 }, 1236 { udpname, UDPCTL_MAXID }, /* udp */ 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 { 0, 0 }, 1265 { 0, 0 }, 1266 { grename, GRECTL_MAXID }, /* GRE */ 1267 { 0, 0 }, 1268 { 0, 0 }, 1269 { espname, ESPCTL_MAXID }, /* esp */ 1270 { ahname, AHCTL_MAXID }, /* ah */ 1271 { 0, 0 }, 1272 { 0, 0 }, 1273 { 0, 0 }, 1274 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 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 { 0, 0 }, 1315 { 0, 0 }, 1316 { etheripname, ETHERIPCTL_MAXID }, 1317 { 0, 0 }, 1318 { 0, 0 }, 1319 { 0, 0 }, 1320 { 0, 0 }, 1321 { 0, 0 }, 1322 { 0, 0 }, 1323 { 0, 0 }, 1324 { 0, 0 }, 1325 { 0, 0 }, 1326 { 0, 0 }, 1327 { ipcompname, IPCOMPCTL_MAXID }, 1328}; 1329 1330struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1331struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1332struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1333struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1334 1335/* 1336 * handle vfs namei cache statistics 1337 */ 1338int 1339sysctl_nchstats(string, bufpp, mib, flags, typep) 1340 char *string; 1341 char **bufpp; 1342 int mib[]; 1343 int flags; 1344 int *typep; 1345{ 1346 static struct nchstats nch; 1347 int indx; 1348 size_t size; 1349 static int keepvalue = 0; 1350 1351 if (*bufpp == NULL) { 1352 bzero(&nch, sizeof(struct nchstats)); 1353 listall(string, &nchstatslist); 1354 return(-1); 1355 } 1356 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1357 return(-1); 1358 mib[2] = indx; 1359 if (*bufpp != NULL) { 1360 warnx("fourth level name in %s is invalid", string); 1361 return(-1); 1362 } 1363 if (keepvalue == 0) { 1364 size = sizeof(struct nchstats); 1365 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1366 return(-1); 1367 keepvalue = 1; 1368 } 1369 if (!nflag) 1370 (void)printf("%s = ", string); 1371 switch (indx) { 1372 case KERN_NCHSTATS_GOODHITS: 1373 (void)printf("%ld\n", nch.ncs_goodhits); 1374 break; 1375 case KERN_NCHSTATS_NEGHITS: 1376 (void)printf("%ld\n", nch.ncs_neghits); 1377 break; 1378 case KERN_NCHSTATS_BADHITS: 1379 (void)printf("%ld\n", nch.ncs_badhits); 1380 break; 1381 case KERN_NCHSTATS_FALSEHITS: 1382 (void)printf("%ld\n", nch.ncs_falsehits); 1383 break; 1384 case KERN_NCHSTATS_MISS: 1385 (void)printf("%ld\n", nch.ncs_miss); 1386 break; 1387 case KERN_NCHSTATS_LONG: 1388 (void)printf("%ld\n", nch.ncs_long); 1389 break; 1390 case KERN_NCHSTATS_PASS2: 1391 (void)printf("%ld\n", nch.ncs_pass2); 1392 break; 1393 case KERN_NCHSTATS_2PASSES: 1394 (void)printf("%ld\n", nch.ncs_2passes); 1395 break; 1396 } 1397 return(-1); 1398} 1399 1400/* 1401 * handle tty statistics 1402 */ 1403int 1404sysctl_tty(string, bufpp, mib, flags, typep) 1405 char *string; 1406 char **bufpp; 1407 int mib[]; 1408 int flags; 1409 int *typep; 1410{ 1411 int indx; 1412 1413 if (*bufpp == NULL) { 1414 listall(string, &ttylist); 1415 return(-1); 1416 } 1417 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1418 return(-1); 1419 mib[2] = indx; 1420 *typep = CTLTYPE_QUAD; 1421 return(3); 1422} 1423 1424/* 1425 * handle fork statistics 1426 */ 1427int 1428sysctl_forkstat(string, bufpp, mib, flags, typep) 1429 char *string; 1430 char **bufpp; 1431 int mib[]; 1432 int flags; 1433 int *typep; 1434{ 1435 static struct forkstat fks; 1436 static int keepvalue = 0; 1437 int indx; 1438 size_t size; 1439 1440 if (*bufpp == NULL) { 1441 bzero(&fks, sizeof(struct forkstat)); 1442 listall(string, &forkstatlist); 1443 return(-1); 1444 } 1445 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1446 return(-1); 1447 if (*bufpp != NULL) { 1448 warnx("fourth level name in %s is invalid", string); 1449 return(-1); 1450 } 1451 if (keepvalue == 0) { 1452 size = sizeof(struct forkstat); 1453 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1454 return(-1); 1455 keepvalue = 1; 1456 } 1457 if (!nflag) 1458 (void)printf("%s = ", string); 1459 switch (indx) { 1460 case KERN_FORKSTAT_FORK: 1461 (void)printf("%d\n", fks.cntfork); 1462 break; 1463 case KERN_FORKSTAT_VFORK: 1464 (void)printf("%d\n", fks.cntvfork); 1465 break; 1466 case KERN_FORKSTAT_RFORK: 1467 (void)printf("%d\n", fks.cntrfork); 1468 break; 1469 case KERN_FORKSTAT_KTHREAD: 1470 (void)printf("%d\n", fks.cntkthread); 1471 break; 1472 case KERN_FORKSTAT_SIZFORK: 1473 (void)printf("%d\n", fks.sizfork); 1474 break; 1475 case KERN_FORKSTAT_SIZVFORK: 1476 (void)printf("%d\n", fks.sizvfork); 1477 break; 1478 case KERN_FORKSTAT_SIZRFORK: 1479 (void)printf("%d\n", fks.sizrfork); 1480 break; 1481 case KERN_FORKSTAT_SIZKTHREAD: 1482 (void)printf("%d\n", fks.sizkthread); 1483 break; 1484 } 1485 return(-1); 1486} 1487 1488/* 1489 * handle malloc statistics 1490 */ 1491int 1492sysctl_malloc(string, bufpp, mib, flags, typep) 1493 char *string; 1494 char **bufpp; 1495 int mib[]; 1496 int flags; 1497 int *typep; 1498{ 1499 int indx, stor, i; 1500 char *name, bufp[BUFSIZ], *buf, *ptr; 1501 struct list lp; 1502 size_t size; 1503 1504 if (*bufpp == NULL) { 1505 listall(string, &kernmalloclist); 1506 return(-1); 1507 } 1508 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1509 return(-1); 1510 mib[2] = indx; 1511 if (mib[2] == KERN_MALLOC_BUCKET) { 1512 if ((name = strsep(bufpp, ".")) == NULL) { 1513 size = BUFSIZ; 1514 stor = mib[2]; 1515 mib[2] = KERN_MALLOC_BUCKETS; 1516 buf = bufp; 1517 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1518 return(-1); 1519 mib[2] = stor; 1520 for (stor = 0, i = 0; i < size; i++) 1521 if (buf[i] == ',') 1522 stor++; 1523 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1524 if (lp.list == NULL) 1525 return(-1); 1526 lp.size = stor + 2; 1527 for (i = 1; 1528 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1529 i++) { 1530 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1531 } 1532 lp.list[i].ctl_name = buf; 1533 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1534 listall(string, &lp); 1535 free(lp.list); 1536 return(-1); 1537 } 1538 mib[3] = atoi(name); 1539 return(4); 1540 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1541 *typep = CTLTYPE_STRING; 1542 return(3); 1543 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1544 size = BUFSIZ; 1545 stor = mib[2]; 1546 mib[2] = KERN_MALLOC_KMEMNAMES; 1547 buf = bufp; 1548 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1549 return(-1); 1550 mib[2] = stor; 1551 if ((name = strsep(bufpp, ".")) == NULL) { 1552 for (stor = 0, i = 0; i < size; i++) 1553 if (buf[i] == ',') 1554 stor++; 1555 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1556 if (lp.list == NULL) 1557 return(-1); 1558 lp.size = stor + 2; 1559 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1560 if (lp.list[i].ctl_name[0] == '\0') { 1561 i--; 1562 continue; 1563 } 1564 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1565 } 1566 lp.list[i].ctl_name = buf; 1567 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1568 listall(string, &lp); 1569 free(lp.list); 1570 return(-1); 1571 } 1572 ptr = strstr(buf, name); 1573 tryagain: 1574 if (ptr == NULL) { 1575 warnx("fourth level name %s in %s is invalid", name, 1576 string); 1577 return(-1); 1578 } 1579 if ((*(ptr + strlen(name)) != ',') && 1580 (*(ptr + strlen(name)) != '\0')) { 1581 ptr = strstr(ptr + 1, name); /* retry */ 1582 goto tryagain; 1583 } 1584 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1585 ptr = strstr(ptr + 1, name); /* retry */ 1586 goto tryagain; 1587 } 1588 for (i = 0, stor = 0; buf + i < ptr; i++) 1589 if (buf[i] == ',') 1590 stor++; 1591 mib[3] = stor; 1592 return(4); 1593 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1594 *typep = CTLTYPE_STRING; 1595 return(3); 1596 } 1597 return(-1); 1598} 1599 1600/* 1601 * handle internet requests 1602 */ 1603int 1604sysctl_inet(string, bufpp, mib, flags, typep) 1605 char *string; 1606 char **bufpp; 1607 int mib[]; 1608 int flags; 1609 int *typep; 1610{ 1611 struct list *lp; 1612 int indx; 1613 1614 if (*bufpp == NULL) { 1615 listall(string, &inetlist); 1616 return(-1); 1617 } 1618 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1619 return(-1); 1620 mib[2] = indx; 1621 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1622 lp = &inetvars[indx]; 1623 else if (!flags) 1624 return(-1); 1625 else { 1626 warnx("%s: no variables defined for this protocol", string); 1627 return(-1); 1628 } 1629 if (*bufpp == NULL) { 1630 listall(string, lp); 1631 return(-1); 1632 } 1633 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1634 return(-1); 1635 mib[3] = indx; 1636 *typep = lp->list[indx].ctl_type; 1637 return(4); 1638} 1639 1640#ifdef INET6 1641struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1642struct ctlname ip6name[] = IPV6CTL_NAMES; 1643struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1644struct ctlname pim6name[] = PIM6CTL_NAMES; 1645struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1646struct list inet6vars[] = { 1647/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1648 { 0, 0 }, 1649 { 0, 0 }, 1650 { 0, 0 }, 1651 { 0, 0 }, 1652 { 0, 0 }, 1653/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1654 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1655/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1656 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1657/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1658 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1659/*40*/ { 0, 0 }, 1660 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1661 { 0, 0 }, 1662 { 0, 0 }, 1663 { 0, 0 }, 1664 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1665/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1666 { 0, 0 }, 1667 { 0, 0 }, 1668 { 0, 0 }, 1669 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1670 { 0, 0 }, 1671/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1672 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1673/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1674 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1675/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1676 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1677/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1678 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1679/*100*/ { 0, 0 }, 1680 { 0, 0 }, 1681 { 0, 0 }, 1682 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1683}; 1684 1685/* 1686 * handle internet6 requests 1687 */ 1688int 1689sysctl_inet6(string, bufpp, mib, flags, typep) 1690 char *string; 1691 char **bufpp; 1692 int mib[]; 1693 int flags; 1694 int *typep; 1695{ 1696 struct list *lp; 1697 int indx; 1698 1699 if (*bufpp == NULL) { 1700 listall(string, &inet6list); 1701 return(-1); 1702 } 1703 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1704 return(-1); 1705 mib[2] = indx; 1706 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1707 lp = &inet6vars[indx]; 1708 else if (!flags) 1709 return(-1); 1710 else { 1711 warnx("%s: no variables defined for this protocol", string); 1712 return(-1); 1713 } 1714 if (*bufpp == NULL) { 1715 listall(string, lp); 1716 return(-1); 1717 } 1718 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1719 return(-1); 1720 mib[3] = indx; 1721 *typep = lp->list[indx].ctl_type; 1722 return(4); 1723} 1724#endif 1725 1726struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1727struct ctlname ipxpname[] = IPXCTL_NAMES; 1728struct ctlname spxpname[] = SPXCTL_NAMES; 1729struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1730struct list ipxvars[] = { 1731 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1732 { 0, 0 }, 1733 { 0, 0 }, 1734 { 0, 0 }, 1735 { 0, 0 }, 1736 { spxpname, SPXCTL_MAXID }, 1737}; 1738 1739/* 1740 * Handle internet requests 1741 */ 1742int 1743sysctl_ipx(string, bufpp, mib, flags, typep) 1744 char *string; 1745 char **bufpp; 1746 int mib[]; 1747 int flags; 1748 int *typep; 1749{ 1750 struct list *lp; 1751 int indx; 1752 1753 if (*bufpp == NULL) { 1754 listall(string, &ipxlist); 1755 return(-1); 1756 } 1757 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1758 return(-1); 1759 mib[2] = indx; 1760 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1761 lp = &ipxvars[indx]; 1762 else if (!flags) 1763 return(-1); 1764 else { 1765 warnx("%s: no variables defined for this protocol", string); 1766 return(-1); 1767 } 1768 if (*bufpp == NULL) { 1769 listall(string, lp); 1770 return(-1); 1771 } 1772 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1773 return(-1); 1774 mib[3] = indx; 1775 *typep = lp->list[indx].ctl_type; 1776 return(4); 1777} 1778 1779/* 1780 * Scan a list of names searching for a particular name. 1781 */ 1782int 1783findname(string, level, bufp, namelist) 1784 char *string; 1785 char *level; 1786 char **bufp; 1787 struct list *namelist; 1788{ 1789 char *name; 1790 int i; 1791 1792 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1793 warnx("%s: incomplete specification", string); 1794 return(-1); 1795 } 1796 for (i = 0; i < namelist->size; i++) 1797 if (namelist->list[i].ctl_name != NULL && 1798 strcmp(name, namelist->list[i].ctl_name) == 0) 1799 break; 1800 if (i == namelist->size) { 1801 warnx("%s level name %s in %s is invalid", level, name, string); 1802 return(-1); 1803 } 1804 return(i); 1805} 1806 1807void 1808usage() 1809{ 1810 1811 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1812 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1813 "sysctl [-n] -a", "sysctl [-n] -A"); 1814 exit(1); 1815} 1816