sysctl.c revision 1.69
1/* $OpenBSD: sysctl.c,v 1.69 2001/06/22 21:39:07 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 1.69 2001/06/22 21:39:07 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 84#ifdef INET6 85#include <netinet/ip6.h> 86#include <netinet/icmp6.h> 87#include <netinet6/ip6_var.h> 88#include <netinet6/pim6_var.h> 89#endif 90 91#ifdef UVM 92#include <uvm/uvm_swap_encrypt.h> 93#endif 94 95#include <ufs/ufs/quota.h> 96#include <ufs/ufs/inode.h> 97#include <ufs/ffs/fs.h> 98#include <ufs/ffs/ffs_extern.h> 99 100#include <nfs/rpcv2.h> 101#include <nfs/nfsproto.h> 102#include <nfs/nfs.h> 103 104#include <netipx/ipx.h> 105#include <netipx/ipx_var.h> 106#include <netipx/spx_var.h> 107#include <ddb/db_var.h> 108#include <dev/rndvar.h> 109 110#include <err.h> 111#include <errno.h> 112#include <stdio.h> 113#include <stdlib.h> 114#include <string.h> 115#include <ctype.h> 116 117#ifdef CPU_BIOS 118#include <machine/biosvar.h> 119#endif 120 121struct ctlname topname[] = CTL_NAMES; 122struct ctlname kernname[] = CTL_KERN_NAMES; 123struct ctlname vmname[] = CTL_VM_NAMES; 124struct ctlname fsname[] = CTL_FS_NAMES; 125struct ctlname netname[] = CTL_NET_NAMES; 126struct ctlname hwname[] = CTL_HW_NAMES; 127struct ctlname username[] = CTL_USER_NAMES; 128struct ctlname debugname[CTL_DEBUG_MAXID]; 129struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES; 130struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES; 131struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES; 132struct ctlname ttyname[] = CTL_KERN_TTY_NAMES; 133struct ctlname *vfsname; 134#ifdef CTL_MACHDEP_NAMES 135struct ctlname machdepname[] = CTL_MACHDEP_NAMES; 136#endif 137struct ctlname ddbname[] = CTL_DDB_NAMES; 138char names[BUFSIZ]; 139int lastused; 140 141struct list { 142 struct ctlname *list; 143 int size; 144}; 145struct list toplist = { topname, CTL_MAXID }; 146struct list secondlevel[] = { 147 { 0, 0 }, /* CTL_UNSPEC */ 148 { kernname, KERN_MAXID }, /* CTL_KERN */ 149 { vmname, VM_MAXID }, /* CTL_VM */ 150 { fsname, FS_MAXID }, /* CTL_FS */ 151 { netname, NET_MAXID }, /* CTL_NET */ 152 { 0, CTL_DEBUG_MAXID }, /* CTL_DEBUG */ 153 { hwname, HW_MAXID }, /* CTL_HW */ 154#ifdef CTL_MACHDEP_NAMES 155 { machdepname, CPU_MAXID }, /* CTL_MACHDEP */ 156#else 157 { 0, 0 }, /* CTL_MACHDEP */ 158#endif 159 { username, USER_MAXID }, /* CTL_USER_NAMES */ 160 { ddbname, DBCTL_MAXID }, /* CTL_DDB_NAMES */ 161 { 0, 0 }, /* CTL_VFS */ 162}; 163 164int Aflag, aflag, nflag, wflag; 165 166/* 167 * Variables requiring special processing. 168 */ 169#define CLOCK 0x00000001 170#define BOOTTIME 0x00000002 171#define CHRDEV 0x00000004 172#define BLKDEV 0x00000008 173#define RNDSTATS 0x00000010 174#define BADDYNAMIC 0x00000020 175#define BIOSGEO 0x00000040 176#define BIOSDEV 0x00000080 177#define MAJ2DEV 0x00000100 178#define UNSIGNED 0x00000200 179#define KMEMBUCKETS 0x00000400 180#define LONGARRAY 0x00000800 181#define KMEMSTATS 0x00001000 182 183/* prototypes */ 184void debuginit __P((void)); 185void listall __P((char *, struct list *)); 186void parse __P((char *, int)); 187void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 188void usage __P((void)); 189int findname __P((char *, char *, char **, struct list *)); 190int sysctl_inet __P((char *, char **, int *, int, int *)); 191#ifdef INET6 192int sysctl_inet6 __P((char *, char **, int *, int, int *)); 193#endif 194int sysctl_ipx __P((char *, char **, int *, int, int *)); 195int sysctl_fs __P((char *, char **, int *, int, int *)); 196static int sysctl_vfs __P((char *, char **, int[], int, int *)); 197static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 198int sysctl_bios __P((char *, char **, int *, int, int *)); 199int sysctl_swpenc __P((char *, char **, int *, int, int *)); 200void vfsinit __P((void)); 201 202int 203main(argc, argv) 204 int argc; 205 char *argv[]; 206{ 207 int ch, lvl1; 208 209 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 210 switch (ch) { 211 212 case 'A': 213 Aflag = 1; 214 break; 215 216 case 'a': 217 aflag = 1; 218 break; 219 220 case 'n': 221 nflag = 1; 222 break; 223 224 case 'w': 225 wflag = 1; 226 break; 227 228 default: 229 usage(); 230 } 231 } 232 argc -= optind; 233 argv += optind; 234 235 if (argc == 0 && (Aflag || aflag)) { 236 debuginit(); 237 vfsinit(); 238 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 239 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 240 return (0); 241 } 242 if (argc == 0) 243 usage(); 244 for (; *argv != NULL; ++argv) 245 parse(*argv, 1); 246 return (0); 247} 248 249/* 250 * List all variables known to the system. 251 */ 252void 253listall(prefix, lp) 254 char *prefix; 255 struct list *lp; 256{ 257 char *cp, name[BUFSIZ]; 258 int lvl2, len; 259 260 if (lp->list == NULL) 261 return; 262 if ((len = strlcpy(name, prefix, sizeof(name))) >= sizeof(name)) 263 warn("%s: name too long", prefix); 264 cp = name + len++; 265 *cp++ = '.'; 266 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 267 if (lp->list[lvl2].ctl_name == NULL) 268 continue; 269 if (strlcpy(cp, lp->list[lvl2].ctl_name, 270 sizeof(name) - len) >= sizeof(name) - len) 271 warn("%s: name too long", lp->list[lvl2].ctl_name); 272 parse(name, Aflag); 273 } 274} 275 276/* 277 * Parse a name into a MIB entry. 278 * Lookup and print out the MIB entry if it exists. 279 * Set a new value if requested. 280 */ 281void 282parse(string, flags) 283 char *string; 284 int flags; 285{ 286 int indx, type, state, intval, len; 287 size_t size, newsize = 0; 288 int lal = 0, special = 0; 289 void *newval = 0; 290 quad_t quadval; 291 struct list *lp; 292 int mib[CTL_MAXNAME]; 293 char *cp, *bufp, buf[BUFSIZ]; 294 295 (void)strlcpy(buf, string, sizeof(buf)); 296 bufp = buf; 297 if ((cp = strchr(string, '=')) != NULL) { 298 if (!wflag) 299 errx(2, "must specify -w to set variables"); 300 *strchr(buf, '=') = '\0'; 301 *cp++ = '\0'; 302 while (isspace(*cp)) 303 cp++; 304 newval = cp; 305 newsize = strlen(cp); 306 } 307 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 308 return; 309 mib[0] = indx; 310 if (indx == CTL_VFS) 311 vfsinit(); 312 if (indx == CTL_DEBUG) 313 debuginit(); 314 lp = &secondlevel[indx]; 315 if (lp->list == 0) { 316 warnx("%s: class is not implemented", topname[indx].ctl_name); 317 return; 318 } 319 if (bufp == NULL) { 320 listall(topname[indx].ctl_name, lp); 321 return; 322 } 323 if ((indx = findname(string, "second", &bufp, lp)) == -1) 324 return; 325 mib[1] = indx; 326 type = lp->list[indx].ctl_type; 327 len = 2; 328 switch (mib[0]) { 329 330 case CTL_KERN: 331 switch (mib[1]) { 332 case KERN_PROF: 333 mib[2] = GPROF_STATE; 334 size = sizeof(state); 335 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 336 if (flags == 0) 337 return; 338 if (!nflag) 339 (void)printf("%s: ", string); 340 (void)puts("kernel is not compiled for profiling"); 341 return; 342 } 343 if (!nflag) 344 (void)printf("%s = %s\n", string, 345 state == GMON_PROF_OFF ? "off" : "running"); 346 return; 347 case KERN_FORKSTAT: 348 sysctl_forkstat(string, &bufp, mib, flags, &type); 349 return; 350 case KERN_TTY: 351 len = sysctl_tty(string, &bufp, mib, flags, &type); 352 if (len < 0) 353 return; 354 newsize = 0; 355 break; 356 case KERN_NCHSTATS: 357 sysctl_nchstats(string, &bufp, mib, flags, &type); 358 return; 359 case KERN_MALLOCSTATS: 360 len = sysctl_malloc(string, &bufp, mib, flags, &type); 361 if (len < 0) 362 return; 363 if (mib[2] == KERN_MALLOC_BUCKET) 364 special |= KMEMBUCKETS; 365 if (mib[2] == KERN_MALLOC_KMEMSTATS) 366 special |= KMEMSTATS; 367 newsize = 0; 368 break; 369 case KERN_MSGBUF: 370 warnx("use dmesg to view %s", string); 371 return; 372 case KERN_VNODE: 373 case KERN_FILE: 374 if (flags == 0) 375 return; 376 warnx("use pstat to view %s information", string); 377 return; 378 case KERN_PROC: 379 if (flags == 0) 380 return; 381 warnx("use ps to view %s information", string); 382 return; 383 case KERN_NTPTIME: 384 if (flags == 0) 385 return; 386 warnx("use xntpdc to view %s information", string); 387 return; 388 case KERN_CLOCKRATE: 389 special |= CLOCK; 390 break; 391 case KERN_BOOTTIME: 392 special |= BOOTTIME; 393 break; 394 case KERN_RND: 395 special |= RNDSTATS; 396 break; 397 case KERN_HOSTID: 398 case KERN_ARND: 399 special |= UNSIGNED; 400 break; 401 case KERN_CPTIME: 402 special |= LONGARRAY; 403 lal = CPUSTATES; 404 break; 405 } 406 break; 407 408 case CTL_HW: 409 switch (mib[1]) { 410 case HW_DISKSTATS: 411 /* 412 * Only complain if someone asks explicitly for this, 413 * otherwise "fail" silently. 414 */ 415 if (flags) 416 warnx("use vmstat to view %s information", 417 string); 418 return; 419 } 420 break; 421 422 case CTL_VM: 423 if (mib[1] == VM_LOADAVG) { 424 double loads[3]; 425 426 getloadavg(loads, 3); 427 if (!nflag) 428 (void)printf("%s = ", string); 429 (void)printf("%.2f %.2f %.2f\n", loads[0], 430 loads[1], loads[2]); 431 return; 432 } else if (mib[1] == VM_PSSTRINGS) { 433 struct _ps_strings _ps; 434 435 size = sizeof(_ps); 436 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 437 if (flags == 0) 438 return; 439 if (!nflag) 440 (void)printf("%s: ", string); 441 (void)puts("can't find ps strings"); 442 return; 443 } 444 if (!nflag) 445 (void)printf("%s = ", string); 446 (void)printf("%p\n", _ps.val); 447 return; 448 } 449#ifdef UVM 450 else if (mib[1] == VM_SWAPENCRYPT) { 451 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 452 if (len < 0) 453 return; 454 455 break; 456 } 457#endif 458 if (flags == 0) 459 return; 460 warnx("use vmstat or systat to view %s information", string); 461 return; 462 463 break; 464 465 case CTL_NET: 466 if (mib[1] == PF_INET) { 467 len = sysctl_inet(string, &bufp, mib, flags, &type); 468 if (len < 0) 469 return; 470 471 if ((mib[2] == IPPROTO_TCP && 472 mib[3] == TCPCTL_BADDYNAMIC) || 473 (mib[2] == IPPROTO_UDP && 474 mib[3] == UDPCTL_BADDYNAMIC)) { 475 476 special |= BADDYNAMIC; 477 478 if (newval != NULL) 479 parse_baddynamic(mib, len, string, 480 &newval, &newsize, flags, nflag); 481 } 482 break; 483 } 484#ifdef INET6 485 if (mib[1] == PF_INET6) { 486 len = sysctl_inet6(string, &bufp, mib, flags, &type); 487 if (len < 0) 488 return; 489 490 break; 491 } 492#endif 493 if (mib[1] == PF_IPX) { 494 len = sysctl_ipx(string, &bufp, mib, flags, &type); 495 if (len >= 0) 496 break; 497 return; 498 } 499 if (flags == 0) 500 return; 501 warnx("use netstat to view %s information", string); 502 return; 503 504 case CTL_DEBUG: 505 mib[2] = CTL_DEBUG_VALUE; 506 len = 3; 507 break; 508 509 case CTL_MACHDEP: 510#ifdef CPU_CONSDEV 511 if (mib[1] == CPU_CONSDEV) 512 special |= CHRDEV; 513#endif 514#ifdef CPU_BLK2CHR 515 if (mib[1] == CPU_BLK2CHR) { 516 if (bufp == NULL) 517 return; 518 mib[2] = makedev(atoi(bufp),0); 519 bufp = NULL; 520 len = 3; 521 special |= CHRDEV; 522 break; 523 } 524#endif 525#ifdef CPU_CHR2BLK 526 if (mib[1] == CPU_CHR2BLK) { 527 if (bufp == NULL) 528 return; 529 mib[2] = makedev(atoi(bufp),0); 530 bufp = NULL; 531 len = 3; 532 special |= BLKDEV; 533 break; 534 } 535#endif 536#ifdef CPU_BIOS 537 if (mib[1] == CPU_BIOS) { 538 len = sysctl_bios(string, &bufp, mib, flags, &type); 539 if (len < 0) 540 return; 541 if (mib[2] == BIOS_DEV) 542 special |= BIOSDEV; 543 if (mib[2] == BIOS_DISKINFO) 544 special |= BIOSGEO; 545 break; 546 } 547#endif 548 break; 549 550 case CTL_FS: 551 len = sysctl_fs(string, &bufp, mib, flags, &type); 552 if (len >= 0) 553 break; 554 return; 555 556 case CTL_VFS: 557 if (mib[1]) 558 len = sysctl_vfs(string, &bufp, mib, flags, &type); 559 else 560 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 561 if (len >= 0) { 562 if (type == CTLTYPE_STRUCT) { 563 if (flags) 564 warnx("use nfsstat to view %s information", 565 MOUNT_NFS); 566 return; 567 } else 568 break; 569 } 570 return; 571 572 case CTL_USER: 573 case CTL_DDB: 574 break; 575 576 default: 577 warnx("illegal top level value: %d", mib[0]); 578 return; 579 580 } 581 if (bufp) { 582 warnx("name %s in %s is unknown", bufp, string); 583 return; 584 } 585 if (newsize > 0) { 586 switch (type) { 587 case CTLTYPE_INT: 588 errno = 0; 589 if (special & UNSIGNED) 590 intval = strtoul(newval, &cp, 10); 591 else 592 intval = strtol(newval, &cp, 10); 593 if (*cp != '\0') { 594 warnx("%s: illegal value: %s", string, 595 (char *)newval); 596 return; 597 } 598 if (errno == ERANGE) { 599 warnx("%s: value %s out of range", string, 600 (char *)newval); 601 return; 602 } 603 newval = &intval; 604 newsize = sizeof(intval); 605 break; 606 607 case CTLTYPE_QUAD: 608 (void)sscanf(newval, "%qd", &quadval); 609 newval = &quadval; 610 newsize = sizeof(quadval); 611 break; 612 } 613 } 614 size = BUFSIZ; 615 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 616 if (flags == 0) 617 return; 618 switch (errno) { 619 case EOPNOTSUPP: 620 warnx("%s: value is not available", string); 621 return; 622 case ENOTDIR: 623 warnx("%s: specification is incomplete", string); 624 return; 625 case ENOMEM: 626 warnx("%s: type is unknown to this program", string); 627 return; 628 case ENXIO: 629 if (special & BIOSGEO) 630 return; 631 default: 632 warn("%s", string); 633 return; 634 } 635 } 636 if (special & KMEMBUCKETS) { 637 struct kmembuckets *kb = (struct kmembuckets *)buf; 638 if (!nflag) 639 (void)printf("%s = ", string); 640 printf("("); 641 printf("calls = %llu ", (long long)kb->kb_calls); 642 printf("total_allocated = %llu ", (long long)kb->kb_total); 643 printf("total_free = %lld ", (long long)kb->kb_totalfree); 644 printf("elements = %lld ", (long long)kb->kb_elmpercl); 645 printf("high watermark = %lld ", kb->kb_highwat); 646 printf("could_free = %lld", kb->kb_couldfree); 647 printf(")\n"); 648 return; 649 } 650 if (special & KMEMSTATS) { 651 struct kmemstats *km = (struct kmemstats *)buf; 652 int j, first = 1; 653 654 if (!nflag) 655 (void)printf("%s = ", string); 656 (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); 657 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 658 if ((km->ks_size & j ) == 0) 659 continue; 660 if (first) 661 (void)printf("%d", j); 662 else 663 (void)printf(",%d", j); 664 first = 0; 665 } 666 if (first) 667 (void)printf("none"); 668 (void)printf("))\n"); 669 return; 670 } 671 if (special & CLOCK) { 672 struct clockinfo *clkp = (struct clockinfo *)buf; 673 674 if (!nflag) 675 (void)printf("%s = ", string); 676 (void)printf( 677 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 678 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 679 return; 680 } 681 if (special & BOOTTIME) { 682 struct timeval *btp = (struct timeval *)buf; 683 time_t boottime; 684 685 if (!nflag) { 686 boottime = btp->tv_sec; 687 (void)printf("%s = %s", string, ctime(&boottime)); 688 } else 689 (void)printf("%ld\n", btp->tv_sec); 690 return; 691 } 692 if (special & BLKDEV) { 693 dev_t dev = *(dev_t *)buf; 694 695 if (!nflag) 696 (void)printf("%s = %s\n", string, 697 devname(dev, S_IFBLK)); 698 else 699 (void)printf("0x%x\n", dev); 700 return; 701 } 702 if (special & CHRDEV) { 703 dev_t dev = *(dev_t *)buf; 704 705 if (!nflag) 706 (void)printf("%s = %s\n", string, 707 devname(dev, S_IFCHR)); 708 else 709 (void)printf("0x%x\n", dev); 710 return; 711 } 712#ifdef CPU_BIOS 713 if (special & BIOSGEO) { 714 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 715 716 if (!nflag) 717 (void)printf("%s = ", string); 718 (void)printf("bootdev = 0x%x, " 719 "cylinders = %u, heads = %u, sectors = %u\n", 720 pdi->bsd_dev, pdi->bios_cylinders, 721 pdi->bios_heads, pdi->bios_sectors); 722 return; 723 } 724 if (special & BIOSDEV) { 725 int dev = *(int*)buf; 726 727 if (!nflag) 728 (void)printf("%s = ", string); 729 (void) printf("0x%02x\n", dev); 730 return; 731 } 732#endif 733 if (special & UNSIGNED) { 734 if (newsize == 0) { 735 if (!nflag) 736 (void)printf("%s = ", string); 737 (void)printf("%u\n", *(u_int *)buf); 738 } else { 739 if (!nflag) 740 (void)printf("%s: %u -> ", string, 741 *(u_int *)buf); 742 (void)printf("%u\n", *(u_int *)newval); 743 } 744 return; 745 } 746 if (special & RNDSTATS) { 747 struct rndstats *rndstats = (struct rndstats *)buf; 748 int i; 749 750 if (!nflag) 751 (void)printf("%s = ", string); 752 (void)printf( 753 "%qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu", 754 rndstats->rnd_total, 755 rndstats->rnd_used, rndstats->rnd_reads, 756 rndstats->arc4_reads, rndstats->arc4_nstirs, 757 rndstats->arc4_stirs, 758 rndstats->rnd_pad[0], 759 rndstats->rnd_pad[1], 760 rndstats->rnd_pad[2], 761 rndstats->rnd_pad[3], 762 rndstats->rnd_pad[4], 763 rndstats->rnd_waits, 764 rndstats->rnd_enqs, rndstats->rnd_deqs, 765 rndstats->rnd_drops, rndstats->rnd_drople); 766 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 767 (void)printf(" %qu", rndstats->rnd_ed[i]); 768 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 769 (void)printf(" %qu", rndstats->rnd_sc[i]); 770 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 771 (void)printf(" %qu", rndstats->rnd_sb[i]); 772 printf("\n"); 773 return; 774 } 775 if (special & BADDYNAMIC) { 776 in_port_t port, lastport; 777 u_int32_t *baddynamic = (u_int32_t *)buf; 778 779 if (!nflag) 780 (void)printf("%s%s", string, newsize ? ": " : " = "); 781 lastport = 0; 782 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 783 if (DP_ISSET(baddynamic, port)) { 784 (void)printf("%s%hd", lastport ? "," : "", 785 port); 786 lastport = port; 787 } 788 if (newsize != 0) { 789 if (!nflag) 790 fputs(" -> ", stdout); 791 baddynamic = (u_int32_t *)newval; 792 lastport = 0; 793 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 794 port++) 795 if (DP_ISSET(baddynamic, port)) { 796 (void)printf("%s%hd", 797 lastport ? "," : "", port); 798 lastport = port; 799 } 800 } 801 (void)putchar('\n'); 802 return; 803 } 804 if (special & LONGARRAY) { 805 long *la = (long *)buf; 806 if (!nflag) 807 printf("%s = ", string, lal); 808 while (lal--) 809 printf("%ld%s", *la++, lal? ",":""); 810 putchar('\n'); 811 return; 812 } 813 switch (type) { 814 case CTLTYPE_INT: 815 if (newsize == 0) { 816 if (!nflag) 817 (void)printf("%s = ", string); 818 (void)printf("%d\n", *(int *)buf); 819 } else { 820 if (!nflag) 821 (void)printf("%s: %d -> ", string, 822 *(int *)buf); 823 (void)printf("%d\n", *(int *)newval); 824 } 825 return; 826 827 case CTLTYPE_STRING: 828 if (newval == NULL) { 829 if (!nflag) 830 (void)printf("%s = ", string); 831 (void)puts(buf); 832 } else { 833 if (!nflag) 834 (void)printf("%s: %s -> ", string, buf); 835 (void)puts((char *)newval); 836 } 837 return; 838 839 case CTLTYPE_QUAD: 840 if (newsize == 0) { 841 if (!nflag) 842 (void)printf("%s = ", string); 843 (void)printf("%qd\n", *(quad_t *)buf); 844 } else { 845 if (!nflag) 846 (void)printf("%s: %qd -> ", string, 847 *(quad_t *)buf); 848 (void)printf("%qd\n", *(quad_t *)newval); 849 } 850 return; 851 852 case CTLTYPE_STRUCT: 853 warnx("%s: unknown structure returned", string); 854 return; 855 856 default: 857 case CTLTYPE_NODE: 858 warnx("%s: unknown type returned", string); 859 return; 860 } 861} 862 863void 864parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 865 int mib[]; 866 size_t len; 867 char *string; 868 void **newvalp; 869 size_t *newsizep; 870 int flags; 871 int nflag; 872{ 873 static u_int32_t newbaddynamic[DP_MAPSIZE]; 874 in_port_t port; 875 size_t size; 876 char action, *cp; 877 878 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 879 size = sizeof(newbaddynamic); 880 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 881 if (flags == 0) 882 return; 883 if (!nflag) 884 (void)printf("%s: ", string); 885 (void)puts("kernel does contain bad dynamic port tables"); 886 return; 887 } 888 889 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 890 if (*cp != '+' && *cp != '-') 891 errx(1, "cannot mix +/- with full list"); 892 action = *cp++; 893 port = atoi(cp); 894 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 895 errx(1, "invalid port, range is %d to %d", 896 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 897 if (action == '+') 898 DP_SET(newbaddynamic, port); 899 else 900 DP_CLR(newbaddynamic, port); 901 } 902 } else { 903 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 904 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *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 DP_SET(newbaddynamic, port); 910 } 911 } 912 913 *newvalp = (void *)newbaddynamic; 914 *newsizep = sizeof(newbaddynamic); 915} 916 917/* 918 * Initialize the set of debugging names 919 */ 920void 921debuginit() 922{ 923 int mib[3], loc, i; 924 size_t size; 925 926 if (secondlevel[CTL_DEBUG].list != 0) 927 return; 928 secondlevel[CTL_DEBUG].list = debugname; 929 mib[0] = CTL_DEBUG; 930 mib[2] = CTL_DEBUG_NAME; 931 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 932 mib[1] = i; 933 size = BUFSIZ - loc; 934 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 935 continue; 936 debugname[i].ctl_name = &names[loc]; 937 debugname[i].ctl_type = CTLTYPE_INT; 938 loc += size; 939 } 940 lastused = loc; 941} 942 943struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 944struct ctlname ffsname[] = FFS_NAMES; 945struct ctlname nfsname[] = FS_NFS_NAMES; 946struct list *vfsvars; 947int *vfs_typenums; 948 949/* 950 * Initialize the set of filesystem names 951 */ 952void 953vfsinit() 954{ 955 int mib[4], maxtypenum, cnt, loc, size; 956 struct vfsconf vfc; 957 size_t buflen; 958 959 if (secondlevel[CTL_VFS].list != 0) 960 return; 961 mib[0] = CTL_VFS; 962 mib[1] = VFS_GENERIC; 963 mib[2] = VFS_MAXTYPENUM; 964 buflen = 4; 965 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 966 return; 967 maxtypenum++; /* + generic */ 968 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 969 return; 970 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 971 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 972 free(vfs_typenums); 973 return; 974 } 975 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 976 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 977 free(vfs_typenums); 978 free(vfsvars); 979 return; 980 } 981 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 982 mib[2] = VFS_CONF; 983 buflen = sizeof vfc; 984 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 985 mib[3] = cnt - 1; 986 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 987 if (errno == EOPNOTSUPP) 988 continue; 989 warn("vfsinit"); 990 free(vfsname); 991 return; 992 } 993 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 994 vfsvars[cnt].list = ffsname; 995 vfsvars[cnt].size = FFS_MAXID; 996 } 997 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 998 vfsvars[cnt].list = nfsname; 999 vfsvars[cnt].size = NFS_MAXID; 1000 } 1001 vfs_typenums[cnt] = vfc.vfc_typenum; 1002 strcat(&names[loc], vfc.vfc_name); 1003 vfsname[cnt].ctl_name = &names[loc]; 1004 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1005 size = strlen(vfc.vfc_name) + 1; 1006 loc += size; 1007 } 1008 lastused = loc; 1009 1010 vfsname[0].ctl_name = "mounts"; 1011 vfsname[0].ctl_type = CTLTYPE_NODE; 1012 vfsvars[0].list = vfsname + 1; 1013 vfsvars[0].size = maxtypenum - 1; 1014 1015 secondlevel[CTL_VFS].list = vfsname; 1016 secondlevel[CTL_VFS].size = maxtypenum; 1017 return; 1018} 1019 1020int 1021sysctl_vfsgen(string, bufpp, mib, flags, typep) 1022 char *string; 1023 char **bufpp; 1024 int mib[]; 1025 int flags; 1026 int *typep; 1027{ 1028 int indx; 1029 size_t size; 1030 struct vfsconf vfc; 1031 1032 if (*bufpp == NULL) { 1033 listall(string, vfsvars); 1034 return (-1); 1035 } 1036 1037 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1038 return (-1); 1039 1040 mib[1] = VFS_GENERIC; 1041 mib[2] = VFS_CONF; 1042 mib[3] = indx; 1043 size = sizeof vfc; 1044 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1045 if (errno != EOPNOTSUPP) 1046 warn("vfs print"); 1047 return -1; 1048 } 1049 if (flags == 0 && vfc.vfc_refcount == 0) 1050 return -1; 1051 if (!nflag) 1052 fprintf(stdout, "%s has %d mounted instance%s\n", 1053 string, vfc.vfc_refcount, 1054 vfc.vfc_refcount != 1 ? "s" : ""); 1055 else 1056 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1057 1058 return -1; 1059} 1060 1061int 1062sysctl_vfs(string, bufpp, mib, flags, typep) 1063 char *string; 1064 char **bufpp; 1065 int mib[]; 1066 int flags; 1067 int *typep; 1068{ 1069 struct list *lp = &vfsvars[mib[1]]; 1070 int indx; 1071 1072 if (lp->list == NULL) { 1073 if (flags) 1074 warnx("No variables defined for file system %s", string); 1075 return(-1); 1076 } 1077 if (*bufpp == NULL) { 1078 listall(string, lp); 1079 return (-1); 1080 } 1081 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1082 return (-1); 1083 1084 mib[1] = vfs_typenums[mib[1]]; 1085 mib[2] = indx; 1086 *typep = lp->list[indx].ctl_type; 1087 return (3); 1088} 1089 1090struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1091struct list fslist = { posixname, FS_POSIX_MAXID }; 1092 1093/* 1094 * handle file system requests 1095 */ 1096int 1097sysctl_fs(string, bufpp, mib, flags, typep) 1098 char *string; 1099 char **bufpp; 1100 int mib[]; 1101 int flags; 1102 int *typep; 1103{ 1104 int indx; 1105 1106 if (*bufpp == NULL) { 1107 listall(string, &fslist); 1108 return(-1); 1109 } 1110 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1111 return(-1); 1112 mib[2] = indx; 1113 *typep = fslist.list[indx].ctl_type; 1114 return(3); 1115} 1116 1117#ifdef CPU_BIOS 1118struct ctlname biosname[] = CTL_BIOS_NAMES; 1119struct list bioslist = { biosname, BIOS_MAXID }; 1120 1121/* 1122 * handle BIOS requests 1123 */ 1124int 1125sysctl_bios(string, bufpp, mib, flags, typep) 1126 char *string; 1127 char **bufpp; 1128 int mib[]; 1129 int flags; 1130 int *typep; 1131{ 1132 char *name; 1133 int indx; 1134 1135 if (*bufpp == NULL) { 1136 listall(string, &bioslist); 1137 return(-1); 1138 } 1139 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1140 return(-1); 1141 mib[2] = indx; 1142 if (indx == BIOS_DISKINFO) { 1143 if (*bufpp == NULL) { 1144 char name[BUFSIZ]; 1145 1146 /* scan all the bios devices */ 1147 for (indx = 0; indx < 256; indx++) { 1148 snprintf(name, sizeof(name), "%s.%u", 1149 string, indx); 1150 parse(name, 1); 1151 } 1152 return(-1); 1153 } 1154 if ((name = strsep(bufpp, ".")) == NULL) { 1155 warnx("%s: incomplete specification", string); 1156 return(-1); 1157 } 1158 mib[3] = atoi(name); 1159 *typep = CTLTYPE_STRUCT; 1160 return(4); 1161 } else { 1162 *typep = bioslist.list[indx].ctl_type; 1163 return(3); 1164 } 1165} 1166#endif 1167 1168#ifdef UVM 1169struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1170struct list swpenclist = { swpencname, SWPENC_MAXID }; 1171 1172/* 1173 * handle swap encrypt requests 1174 */ 1175int 1176sysctl_swpenc(string, bufpp, mib, flags, typep) 1177 char *string; 1178 char **bufpp; 1179 int mib[]; 1180 int flags; 1181 int *typep; 1182{ 1183 int indx; 1184 1185 if (*bufpp == NULL) { 1186 listall(string, &swpenclist); 1187 return(-1); 1188 } 1189 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1190 return(-1); 1191 mib[2] = indx; 1192 *typep = swpenclist.list[indx].ctl_type; 1193 return(3); 1194} 1195#endif 1196 1197struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1198struct ctlname ipname[] = IPCTL_NAMES; 1199struct ctlname icmpname[] = ICMPCTL_NAMES; 1200struct ctlname ipipname[] = IPIPCTL_NAMES; 1201struct ctlname tcpname[] = TCPCTL_NAMES; 1202struct ctlname udpname[] = UDPCTL_NAMES; 1203struct ctlname espname[] = ESPCTL_NAMES; 1204struct ctlname ahname[] = AHCTL_NAMES; 1205struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1206struct ctlname grename[] = GRECTL_NAMES; 1207struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1208struct list inetlist = { inetname, IPPROTO_MAXID }; 1209struct list inetvars[] = { 1210 { ipname, IPCTL_MAXID }, /* ip */ 1211 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1212 { 0, 0 }, /* igmp */ 1213 { 0, 0 }, /* ggmp */ 1214 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1215 { 0, 0 }, 1216 { tcpname, TCPCTL_MAXID }, /* tcp */ 1217 { 0, 0 }, 1218 { 0, 0 }, /* egp */ 1219 { 0, 0 }, 1220 { 0, 0 }, 1221 { 0, 0 }, 1222 { 0, 0 }, /* pup */ 1223 { 0, 0 }, 1224 { 0, 0 }, 1225 { 0, 0 }, 1226 { 0, 0 }, 1227 { udpname, UDPCTL_MAXID }, /* udp */ 1228 { 0, 0 }, 1229 { 0, 0 }, 1230 { 0, 0 }, 1231 { 0, 0 }, 1232 { 0, 0 }, 1233 { 0, 0 }, 1234 { 0, 0 }, 1235 { 0, 0 }, 1236 { 0, 0 }, 1237 { 0, 0 }, 1238 { 0, 0 }, 1239 { 0, 0 }, 1240 { 0, 0 }, 1241 { 0, 0 }, 1242 { 0, 0 }, 1243 { 0, 0 }, 1244 { 0, 0 }, 1245 { 0, 0 }, 1246 { 0, 0 }, 1247 { 0, 0 }, 1248 { 0, 0 }, 1249 { 0, 0 }, 1250 { 0, 0 }, 1251 { 0, 0 }, 1252 { 0, 0 }, 1253 { 0, 0 }, 1254 { 0, 0 }, 1255 { 0, 0 }, 1256 { 0, 0 }, 1257 { grename, GRECTL_MAXID }, /* GRE */ 1258 { 0, 0 }, 1259 { 0, 0 }, 1260 { espname, ESPCTL_MAXID }, /* esp */ 1261 { ahname, AHCTL_MAXID }, /* ah */ 1262 { 0, 0 }, 1263 { 0, 0 }, 1264 { 0, 0 }, 1265 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 1266 { 0, 0 }, 1267 { 0, 0 }, 1268 { 0, 0 }, 1269 { 0, 0 }, 1270 { 0, 0 }, 1271 { 0, 0 }, 1272 { 0, 0 }, 1273 { 0, 0 }, 1274 { 0, 0 }, 1275 { 0, 0 }, 1276 { 0, 0 }, 1277 { 0, 0 }, 1278 { 0, 0 }, 1279 { 0, 0 }, 1280 { 0, 0 }, 1281 { 0, 0 }, 1282 { 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 { etheripname, ETHERIPCTL_MAXID }, 1308}; 1309 1310struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1311struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1312struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1313struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1314 1315/* 1316 * handle vfs namei cache statistics 1317 */ 1318int 1319sysctl_nchstats(string, bufpp, mib, flags, typep) 1320 char *string; 1321 char **bufpp; 1322 int mib[]; 1323 int flags; 1324 int *typep; 1325{ 1326 static struct nchstats nch; 1327 int indx; 1328 size_t size; 1329 static int keepvalue = 0; 1330 1331 if (*bufpp == NULL) { 1332 bzero(&nch, sizeof(struct nchstats)); 1333 listall(string, &nchstatslist); 1334 return(-1); 1335 } 1336 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1337 return(-1); 1338 mib[2] = indx; 1339 if (*bufpp != NULL) { 1340 warnx("fourth level name in %s is invalid", string); 1341 return(-1); 1342 } 1343 if (keepvalue == 0) { 1344 size = sizeof(struct nchstats); 1345 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1346 return(-1); 1347 keepvalue = 1; 1348 } 1349 if (!nflag) 1350 (void)printf("%s = ", string); 1351 switch (indx) { 1352 case KERN_NCHSTATS_GOODHITS: 1353 (void)printf("%ld\n", nch.ncs_goodhits); 1354 break; 1355 case KERN_NCHSTATS_NEGHITS: 1356 (void)printf("%ld\n", nch.ncs_neghits); 1357 break; 1358 case KERN_NCHSTATS_BADHITS: 1359 (void)printf("%ld\n", nch.ncs_badhits); 1360 break; 1361 case KERN_NCHSTATS_FALSEHITS: 1362 (void)printf("%ld\n", nch.ncs_falsehits); 1363 break; 1364 case KERN_NCHSTATS_MISS: 1365 (void)printf("%ld\n", nch.ncs_miss); 1366 break; 1367 case KERN_NCHSTATS_LONG: 1368 (void)printf("%ld\n", nch.ncs_long); 1369 break; 1370 case KERN_NCHSTATS_PASS2: 1371 (void)printf("%ld\n", nch.ncs_pass2); 1372 break; 1373 case KERN_NCHSTATS_2PASSES: 1374 (void)printf("%ld\n", nch.ncs_2passes); 1375 break; 1376 } 1377 return(-1); 1378} 1379 1380/* 1381 * handle tty statistics 1382 */ 1383int 1384sysctl_tty(string, bufpp, mib, flags, typep) 1385 char *string; 1386 char **bufpp; 1387 int mib[]; 1388 int flags; 1389 int *typep; 1390{ 1391 int indx; 1392 1393 if (*bufpp == NULL) { 1394 listall(string, &ttylist); 1395 return(-1); 1396 } 1397 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1398 return(-1); 1399 mib[2] = indx; 1400 *typep = CTLTYPE_QUAD; 1401 return(3); 1402} 1403 1404/* 1405 * handle fork statistics 1406 */ 1407int 1408sysctl_forkstat(string, bufpp, mib, flags, typep) 1409 char *string; 1410 char **bufpp; 1411 int mib[]; 1412 int flags; 1413 int *typep; 1414{ 1415 static struct forkstat fks; 1416 static int keepvalue = 0; 1417 int indx; 1418 size_t size; 1419 1420 if (*bufpp == NULL) { 1421 bzero(&fks, sizeof(struct forkstat)); 1422 listall(string, &forkstatlist); 1423 return(-1); 1424 } 1425 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1426 return(-1); 1427 if (*bufpp != NULL) { 1428 warnx("fourth level name in %s is invalid", string); 1429 return(-1); 1430 } 1431 if (keepvalue == 0) { 1432 size = sizeof(struct forkstat); 1433 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1434 return(-1); 1435 keepvalue = 1; 1436 } 1437 if (!nflag) 1438 (void)printf("%s = ", string); 1439 switch (indx) { 1440 case KERN_FORKSTAT_FORK: 1441 (void)printf("%d\n", fks.cntfork); 1442 break; 1443 case KERN_FORKSTAT_VFORK: 1444 (void)printf("%d\n", fks.cntvfork); 1445 break; 1446 case KERN_FORKSTAT_RFORK: 1447 (void)printf("%d\n", fks.cntrfork); 1448 break; 1449 case KERN_FORKSTAT_KTHREAD: 1450 (void)printf("%d\n", fks.cntkthread); 1451 break; 1452 case KERN_FORKSTAT_SIZFORK: 1453 (void)printf("%d\n", fks.sizfork); 1454 break; 1455 case KERN_FORKSTAT_SIZVFORK: 1456 (void)printf("%d\n", fks.sizvfork); 1457 break; 1458 case KERN_FORKSTAT_SIZRFORK: 1459 (void)printf("%d\n", fks.sizrfork); 1460 break; 1461 case KERN_FORKSTAT_SIZKTHREAD: 1462 (void)printf("%d\n", fks.sizkthread); 1463 break; 1464 } 1465 return(-1); 1466} 1467 1468/* 1469 * handle malloc statistics 1470 */ 1471int 1472sysctl_malloc(string, bufpp, mib, flags, typep) 1473 char *string; 1474 char **bufpp; 1475 int mib[]; 1476 int flags; 1477 int *typep; 1478{ 1479 int indx, stor, i; 1480 char *name, bufp[BUFSIZ], *buf, *ptr; 1481 struct list lp; 1482 size_t size; 1483 1484 if (*bufpp == NULL) { 1485 listall(string, &kernmalloclist); 1486 return(-1); 1487 } 1488 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1489 return(-1); 1490 mib[2] = indx; 1491 if (mib[2] == KERN_MALLOC_BUCKET) { 1492 if ((name = strsep(bufpp, ".")) == NULL) { 1493 size = BUFSIZ; 1494 stor = mib[2]; 1495 mib[2] = KERN_MALLOC_BUCKETS; 1496 buf = bufp; 1497 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1498 return(-1); 1499 mib[2] = stor; 1500 for (stor = 0, i = 0; i < size; i++) 1501 if (buf[i] == ',') 1502 stor++; 1503 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1504 if (lp.list == NULL) 1505 return(-1); 1506 lp.size = stor + 2; 1507 for (i = 1; 1508 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1509 i++) { 1510 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1511 } 1512 lp.list[i].ctl_name = buf; 1513 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1514 listall(string, &lp); 1515 free(lp.list); 1516 return(-1); 1517 } 1518 mib[3] = atoi(name); 1519 return(4); 1520 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1521 *typep = CTLTYPE_STRING; 1522 return(3); 1523 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1524 size = BUFSIZ; 1525 stor = mib[2]; 1526 mib[2] = KERN_MALLOC_KMEMNAMES; 1527 buf = bufp; 1528 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1529 return(-1); 1530 mib[2] = stor; 1531 if ((name = strsep(bufpp, ".")) == NULL) { 1532 for (stor = 0, i = 0; i < size; i++) 1533 if (buf[i] == ',') 1534 stor++; 1535 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1536 if (lp.list == NULL) 1537 return(-1); 1538 lp.size = stor + 2; 1539 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1540 if (lp.list[i].ctl_name[0] == '\0') { 1541 i--; 1542 continue; 1543 } 1544 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1545 } 1546 lp.list[i].ctl_name = buf; 1547 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1548 listall(string, &lp); 1549 free(lp.list); 1550 return(-1); 1551 } 1552 ptr = strstr(buf, name); 1553 tryagain: 1554 if (ptr == NULL) { 1555 warnx("fourth level name %s in %s is invalid", name, 1556 string); 1557 return(-1); 1558 } 1559 if ((*(ptr + strlen(name)) != ',') && 1560 (*(ptr + strlen(name)) != '\0')) { 1561 ptr = strstr(ptr + 1, name); /* retry */ 1562 goto tryagain; 1563 } 1564 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1565 ptr = strstr(ptr + 1, name); /* retry */ 1566 goto tryagain; 1567 } 1568 for (i = 0, stor = 0; buf + i < ptr; i++) 1569 if (buf[i] == ',') 1570 stor++; 1571 mib[3] = stor; 1572 return(4); 1573 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1574 *typep = CTLTYPE_STRING; 1575 return(3); 1576 } 1577 return(-1); 1578} 1579 1580/* 1581 * handle internet requests 1582 */ 1583int 1584sysctl_inet(string, bufpp, mib, flags, typep) 1585 char *string; 1586 char **bufpp; 1587 int mib[]; 1588 int flags; 1589 int *typep; 1590{ 1591 struct list *lp; 1592 int indx; 1593 1594 if (*bufpp == NULL) { 1595 listall(string, &inetlist); 1596 return(-1); 1597 } 1598 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1599 return(-1); 1600 mib[2] = indx; 1601 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1602 lp = &inetvars[indx]; 1603 else if (!flags) 1604 return(-1); 1605 else { 1606 warnx("%s: no variables defined for this protocol", string); 1607 return(-1); 1608 } 1609 if (*bufpp == NULL) { 1610 listall(string, lp); 1611 return(-1); 1612 } 1613 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1614 return(-1); 1615 mib[3] = indx; 1616 *typep = lp->list[indx].ctl_type; 1617 return(4); 1618} 1619 1620#ifdef INET6 1621struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1622struct ctlname ip6name[] = IPV6CTL_NAMES; 1623struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1624struct ctlname pim6name[] = PIM6CTL_NAMES; 1625struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1626struct list inet6vars[] = { 1627/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1628 { 0, 0 }, 1629 { 0, 0 }, 1630 { 0, 0 }, 1631 { 0, 0 }, 1632 { 0, 0 }, 1633/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1634 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1635/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1636 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1637/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1638 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1639/*40*/ { 0, 0 }, 1640 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1641 { 0, 0 }, 1642 { 0, 0 }, 1643 { 0, 0 }, 1644 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1645/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1646 { 0, 0 }, 1647 { 0, 0 }, 1648 { 0, 0 }, 1649 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1650 { 0, 0 }, 1651/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1652 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1653/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1654 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1655/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1656 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1657/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1658 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1659/*100*/ { 0, 0 }, 1660 { 0, 0 }, 1661 { 0, 0 }, 1662 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1663}; 1664 1665/* 1666 * handle internet6 requests 1667 */ 1668int 1669sysctl_inet6(string, bufpp, mib, flags, typep) 1670 char *string; 1671 char **bufpp; 1672 int mib[]; 1673 int flags; 1674 int *typep; 1675{ 1676 struct list *lp; 1677 int indx; 1678 1679 if (*bufpp == NULL) { 1680 listall(string, &inet6list); 1681 return(-1); 1682 } 1683 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1684 return(-1); 1685 mib[2] = indx; 1686 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1687 lp = &inet6vars[indx]; 1688 else if (!flags) 1689 return(-1); 1690 else { 1691 warnx("%s: no variables defined for this protocol", string); 1692 return(-1); 1693 } 1694 if (*bufpp == NULL) { 1695 listall(string, lp); 1696 return(-1); 1697 } 1698 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1699 return(-1); 1700 mib[3] = indx; 1701 *typep = lp->list[indx].ctl_type; 1702 return(4); 1703} 1704#endif 1705 1706struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1707struct ctlname ipxpname[] = IPXCTL_NAMES; 1708struct ctlname spxpname[] = SPXCTL_NAMES; 1709struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1710struct list ipxvars[] = { 1711 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1712 { 0, 0 }, 1713 { 0, 0 }, 1714 { 0, 0 }, 1715 { 0, 0 }, 1716 { spxpname, SPXCTL_MAXID }, 1717}; 1718 1719/* 1720 * Handle internet requests 1721 */ 1722int 1723sysctl_ipx(string, bufpp, mib, flags, typep) 1724 char *string; 1725 char **bufpp; 1726 int mib[]; 1727 int flags; 1728 int *typep; 1729{ 1730 struct list *lp; 1731 int indx; 1732 1733 if (*bufpp == NULL) { 1734 listall(string, &ipxlist); 1735 return(-1); 1736 } 1737 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1738 return(-1); 1739 mib[2] = indx; 1740 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1741 lp = &ipxvars[indx]; 1742 else if (!flags) 1743 return(-1); 1744 else { 1745 warnx("%s: no variables defined for this protocol", string); 1746 return(-1); 1747 } 1748 if (*bufpp == NULL) { 1749 listall(string, lp); 1750 return(-1); 1751 } 1752 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1753 return(-1); 1754 mib[3] = indx; 1755 *typep = lp->list[indx].ctl_type; 1756 return(4); 1757} 1758 1759/* 1760 * Scan a list of names searching for a particular name. 1761 */ 1762int 1763findname(string, level, bufp, namelist) 1764 char *string; 1765 char *level; 1766 char **bufp; 1767 struct list *namelist; 1768{ 1769 char *name; 1770 int i; 1771 1772 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1773 warnx("%s: incomplete specification", string); 1774 return(-1); 1775 } 1776 for (i = 0; i < namelist->size; i++) 1777 if (namelist->list[i].ctl_name != NULL && 1778 strcmp(name, namelist->list[i].ctl_name) == 0) 1779 break; 1780 if (i == namelist->size) { 1781 warnx("%s level name %s in %s is invalid", level, name, string); 1782 return(-1); 1783 } 1784 return(i); 1785} 1786 1787void 1788usage() 1789{ 1790 1791 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1792 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1793 "sysctl [-n] -a", "sysctl [-n] -A"); 1794 exit(1); 1795} 1796