1 /* $OpenBSD: sysctl.c,v 1.76 2001/08/02 11:09:39 art Exp $ */ 2 /* $NetBSD: sysctl.c,v 1.9 1995/09/30 07:12:50 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static 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 45 static char sccsid[] = "@(#)sysctl.c 8.5 (Berkeley) 5/9/95"; 46 #else 47 static char *rcsid = "$OpenBSD: sysctl.c,v 1.76 2001/08/02 11:09:39 art Exp $"; 48 #endif 49 #endif /* not lint */ 50 51 #include <sys/param.h> 52 #include <sys/gmon.h> 53 #include <sys/mount.h> 54 #include <sys/stat.h> 55 #include <sys/sysctl.h> 56 #include <sys/socket.h> 57 #include <sys/malloc.h> 58 #include <sys/dkstat.h> 59 #include <sys/uio.h> 60 #include <sys/tty.h> 61 #include <sys/namei.h> 62 #include <vm/vm_param.h> 63 #include <machine/cpu.h> 64 #include <net/route.h> 65 66 #include <netinet/in.h> 67 #include <netinet/in_systm.h> 68 #include <netinet/ip.h> 69 #include <netinet/in_pcb.h> 70 #include <netinet/ip_icmp.h> 71 #include <netinet/ip_ipip.h> 72 #include <netinet/ip_ether.h> 73 #include <netinet/ip_ah.h> 74 #include <netinet/ip_esp.h> 75 #include <netinet/icmp_var.h> 76 #include <netinet/ip_var.h> 77 #include <netinet/udp.h> 78 #include <netinet/udp_var.h> 79 #include <netinet/tcp.h> 80 #include <netinet/tcp_timer.h> 81 #include <netinet/tcp_var.h> 82 #include <netinet/ip_gre.h> 83 #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 119 120 struct ctlname topname[] = CTL_NAMES; 121 struct ctlname kernname[] = CTL_KERN_NAMES; 122 struct ctlname vmname[] = CTL_VM_NAMES; 123 struct ctlname fsname[] = CTL_FS_NAMES; 124 struct ctlname netname[] = CTL_NET_NAMES; 125 struct ctlname hwname[] = CTL_HW_NAMES; 126 struct ctlname username[] = CTL_USER_NAMES; 127 struct ctlname debugname[CTL_DEBUG_MAXID]; 128 struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES; 129 struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES; 130 struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES; 131 struct ctlname ttyname[] = CTL_KERN_TTY_NAMES; 132 struct ctlname *vfsname; 133 #ifdef CTL_MACHDEP_NAMES 134 struct ctlname machdepname[] = CTL_MACHDEP_NAMES; 135 #endif 136 struct ctlname ddbname[] = CTL_DDB_NAMES; 137 char names[BUFSIZ]; 138 int lastused; 139 140 struct list { 141 struct ctlname *list; 142 int size; 143 }; 144 struct list toplist = { topname, CTL_MAXID }; 145 struct 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 }; 162 163 int 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 */ 183 void debuginit __P((void)); 184 void listall __P((char *, struct list *)); 185 void parse __P((char *, int)); 186 void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 187 void usage __P((void)); 188 int findname __P((char *, char *, char **, struct list *)); 189 int sysctl_inet __P((char *, char **, int *, int, int *)); 190 #ifdef INET6 191 int sysctl_inet6 __P((char *, char **, int *, int, int *)); 192 #endif 193 int sysctl_ipx __P((char *, char **, int *, int, int *)); 194 int sysctl_fs __P((char *, char **, int *, int, int *)); 195 static int sysctl_vfs __P((char *, char **, int[], int, int *)); 196 static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 197 int sysctl_bios __P((char *, char **, int *, int, int *)); 198 int sysctl_swpenc __P((char *, char **, int *, int, int *)); 199 int sysctl_forkstat __P((char *, char **, int *, int, int *)); 200 int sysctl_tty __P((char *, char **, int *, int, int *)); 201 int sysctl_nchstats __P((char *, char **, int *, int, int *)); 202 int sysctl_malloc __P((char *, char **, int *, int, int *)); 203 void vfsinit __P((void)); 204 205 int 206 main(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 */ 255 void 256 listall(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 */ 284 void 285 parse(string, flags) 286 char *string; 287 int flags; 288 { 289 int indx, type, state, intval, len; 290 size_t size, newsize = 0; 291 int lal = 0, special = 0; 292 void *newval = 0; 293 int64_t quadval; 294 struct list *lp; 295 int mib[CTL_MAXNAME]; 296 char *cp, *bufp, buf[BUFSIZ]; 297 298 (void)strlcpy(buf, string, sizeof(buf)); 299 bufp = buf; 300 if ((cp = strchr(string, '=')) != NULL) { 301 if (!wflag) 302 errx(2, "must specify -w to set variables"); 303 *strchr(buf, '=') = '\0'; 304 *cp++ = '\0'; 305 while (isspace(*cp)) 306 cp++; 307 newval = cp; 308 newsize = strlen(cp); 309 } 310 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 311 return; 312 mib[0] = indx; 313 if (indx == CTL_VFS) 314 vfsinit(); 315 if (indx == CTL_DEBUG) 316 debuginit(); 317 lp = &secondlevel[indx]; 318 if (lp->list == 0) { 319 warnx("%s: class is not implemented", topname[indx].ctl_name); 320 return; 321 } 322 if (bufp == NULL) { 323 listall(topname[indx].ctl_name, lp); 324 return; 325 } 326 if ((indx = findname(string, "second", &bufp, lp)) == -1) 327 return; 328 mib[1] = indx; 329 type = lp->list[indx].ctl_type; 330 len = 2; 331 switch (mib[0]) { 332 333 case CTL_KERN: 334 switch (mib[1]) { 335 case KERN_PROF: 336 mib[2] = GPROF_STATE; 337 size = sizeof(state); 338 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 339 if (flags == 0) 340 return; 341 if (!nflag) 342 (void)printf("%s: ", string); 343 (void)puts("kernel is not compiled for profiling"); 344 return; 345 } 346 if (!nflag) 347 (void)printf("%s = %s\n", string, 348 state == GMON_PROF_OFF ? "off" : "running"); 349 return; 350 case KERN_FORKSTAT: 351 sysctl_forkstat(string, &bufp, mib, flags, &type); 352 return; 353 case KERN_TTY: 354 len = sysctl_tty(string, &bufp, mib, flags, &type); 355 if (len < 0) 356 return; 357 newsize = 0; 358 break; 359 case KERN_NCHSTATS: 360 sysctl_nchstats(string, &bufp, mib, flags, &type); 361 return; 362 case KERN_MALLOCSTATS: 363 len = sysctl_malloc(string, &bufp, mib, flags, &type); 364 if (len < 0) 365 return; 366 if (mib[2] == KERN_MALLOC_BUCKET) 367 special |= KMEMBUCKETS; 368 if (mib[2] == KERN_MALLOC_KMEMSTATS) 369 special |= KMEMSTATS; 370 newsize = 0; 371 break; 372 case KERN_MSGBUF: 373 if (flags == 0) 374 return; 375 warnx("use dmesg to view %s", string); 376 return; 377 case KERN_VNODE: 378 case KERN_FILE: 379 if (flags == 0) 380 return; 381 warnx("use pstat to view %s information", string); 382 return; 383 case KERN_PROC: 384 if (flags == 0) 385 return; 386 warnx("use ps to view %s information", string); 387 return; 388 case KERN_NTPTIME: 389 if (flags == 0) 390 return; 391 warnx("use xntpdc to view %s information", string); 392 return; 393 case KERN_CLOCKRATE: 394 special |= CLOCK; 395 break; 396 case KERN_BOOTTIME: 397 special |= BOOTTIME; 398 break; 399 case KERN_RND: 400 special |= RNDSTATS; 401 break; 402 case KERN_HOSTID: 403 case KERN_ARND: 404 special |= UNSIGNED; 405 break; 406 case KERN_CPTIME: 407 special |= LONGARRAY; 408 lal = CPUSTATES; 409 break; 410 } 411 break; 412 413 case CTL_HW: 414 switch (mib[1]) { 415 case HW_DISKSTATS: 416 /* 417 * Only complain if someone asks explicitly for this, 418 * otherwise "fail" silently. 419 */ 420 if (flags) 421 warnx("use vmstat to view %s information", 422 string); 423 return; 424 } 425 break; 426 427 case CTL_VM: 428 if (mib[1] == VM_LOADAVG) { 429 double loads[3]; 430 431 getloadavg(loads, 3); 432 if (!nflag) 433 (void)printf("%s = ", string); 434 (void)printf("%.2f %.2f %.2f\n", loads[0], 435 loads[1], loads[2]); 436 return; 437 } else if (mib[1] == VM_PSSTRINGS) { 438 struct _ps_strings _ps; 439 440 size = sizeof(_ps); 441 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 442 if (flags == 0) 443 return; 444 if (!nflag) 445 (void)printf("%s: ", string); 446 (void)puts("can't find ps strings"); 447 return; 448 } 449 if (!nflag) 450 (void)printf("%s = ", string); 451 (void)printf("%p\n", _ps.val); 452 return; 453 } else if (mib[1] == VM_SWAPENCRYPT) { 454 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 455 if (len < 0) 456 return; 457 458 break; 459 } else if (mib[1] == VM_NKMEMPAGES) { 460 break; 461 } 462 if (flags == 0) 463 return; 464 warnx("use vmstat or systat to view %s information", string); 465 return; 466 467 break; 468 469 case CTL_NET: 470 if (mib[1] == PF_INET) { 471 len = sysctl_inet(string, &bufp, mib, flags, &type); 472 if (len < 0) 473 return; 474 475 if ((mib[2] == IPPROTO_TCP && 476 mib[3] == TCPCTL_BADDYNAMIC) || 477 (mib[2] == IPPROTO_UDP && 478 mib[3] == UDPCTL_BADDYNAMIC)) { 479 480 special |= BADDYNAMIC; 481 482 if (newval != NULL) 483 parse_baddynamic(mib, len, string, 484 &newval, &newsize, flags, nflag); 485 } 486 break; 487 } 488 #ifdef INET6 489 if (mib[1] == PF_INET6) { 490 len = sysctl_inet6(string, &bufp, mib, flags, &type); 491 if (len < 0) 492 return; 493 494 break; 495 } 496 #endif 497 if (mib[1] == PF_IPX) { 498 len = sysctl_ipx(string, &bufp, mib, flags, &type); 499 if (len >= 0) 500 break; 501 return; 502 } 503 if (flags == 0) 504 return; 505 warnx("use netstat to view %s information", string); 506 return; 507 508 case CTL_DEBUG: 509 mib[2] = CTL_DEBUG_VALUE; 510 len = 3; 511 break; 512 513 case CTL_MACHDEP: 514 #ifdef CPU_CONSDEV 515 if (mib[1] == CPU_CONSDEV) 516 special |= CHRDEV; 517 #endif 518 #ifdef CPU_BLK2CHR 519 if (mib[1] == CPU_BLK2CHR) { 520 if (bufp == NULL) 521 return; 522 mib[2] = makedev(atoi(bufp),0); 523 bufp = NULL; 524 len = 3; 525 special |= CHRDEV; 526 break; 527 } 528 #endif 529 #ifdef CPU_CHR2BLK 530 if (mib[1] == CPU_CHR2BLK) { 531 if (bufp == NULL) 532 return; 533 mib[2] = makedev(atoi(bufp),0); 534 bufp = NULL; 535 len = 3; 536 special |= BLKDEV; 537 break; 538 } 539 #endif 540 #ifdef CPU_BIOS 541 if (mib[1] == CPU_BIOS) { 542 len = sysctl_bios(string, &bufp, mib, flags, &type); 543 if (len < 0) 544 return; 545 if (mib[2] == BIOS_DEV) 546 special |= BIOSDEV; 547 if (mib[2] == BIOS_DISKINFO) 548 special |= BIOSGEO; 549 break; 550 } 551 #endif 552 break; 553 554 case CTL_FS: 555 len = sysctl_fs(string, &bufp, mib, flags, &type); 556 if (len >= 0) 557 break; 558 return; 559 560 case CTL_VFS: 561 if (mib[1]) 562 len = sysctl_vfs(string, &bufp, mib, flags, &type); 563 else 564 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 565 if (len >= 0) { 566 if (type == CTLTYPE_STRUCT) { 567 if (flags) 568 warnx("use nfsstat to view %s information", 569 MOUNT_NFS); 570 return; 571 } else 572 break; 573 } 574 return; 575 576 case CTL_USER: 577 case CTL_DDB: 578 break; 579 580 default: 581 warnx("illegal top level value: %d", mib[0]); 582 return; 583 584 } 585 if (bufp) { 586 warnx("name %s in %s is unknown", bufp, string); 587 return; 588 } 589 if (newsize > 0) { 590 switch (type) { 591 case CTLTYPE_INT: 592 errno = 0; 593 if (special & UNSIGNED) 594 intval = strtoul(newval, &cp, 10); 595 else 596 intval = strtol(newval, &cp, 10); 597 if (*cp != '\0') { 598 warnx("%s: illegal value: %s", string, 599 (char *)newval); 600 return; 601 } 602 if (errno == ERANGE) { 603 warnx("%s: value %s out of range", string, 604 (char *)newval); 605 return; 606 } 607 newval = &intval; 608 newsize = sizeof(intval); 609 break; 610 611 case CTLTYPE_QUAD: 612 /* XXX - assumes sizeof(long long) == sizeof(quad_t) */ 613 (void)sscanf(newval, "%lld", (long long *)&quadval); 614 newval = &quadval; 615 newsize = sizeof(quadval); 616 break; 617 } 618 } 619 size = BUFSIZ; 620 if (sysctl(mib, len, buf, &size, newval, newsize) == -1) { 621 if (flags == 0) 622 return; 623 switch (errno) { 624 case EOPNOTSUPP: 625 warnx("%s: value is not available", string); 626 return; 627 case ENOTDIR: 628 warnx("%s: specification is incomplete", string); 629 return; 630 case ENOMEM: 631 warnx("%s: type is unknown to this program", string); 632 return; 633 case ENXIO: 634 if (special & BIOSGEO) 635 return; 636 default: 637 warn("%s", string); 638 return; 639 } 640 } 641 if (special & KMEMBUCKETS) { 642 struct kmembuckets *kb = (struct kmembuckets *)buf; 643 if (!nflag) 644 (void)printf("%s = ", string); 645 printf("("); 646 printf("calls = %llu ", (long long)kb->kb_calls); 647 printf("total_allocated = %llu ", (long long)kb->kb_total); 648 printf("total_free = %lld ", (long long)kb->kb_totalfree); 649 printf("elements = %lld ", (long long)kb->kb_elmpercl); 650 printf("high watermark = %lld ", (long long)kb->kb_highwat); 651 printf("could_free = %lld", (long long)kb->kb_couldfree); 652 printf(")\n"); 653 return; 654 } 655 if (special & KMEMSTATS) { 656 struct kmemstats *km = (struct kmemstats *)buf; 657 int j, first = 1; 658 659 if (!nflag) 660 (void)printf("%s = ", string); 661 (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); 662 for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) { 663 if ((km->ks_size & j ) == 0) 664 continue; 665 if (first) 666 (void)printf("%d", j); 667 else 668 (void)printf(",%d", j); 669 first = 0; 670 } 671 if (first) 672 (void)printf("none"); 673 (void)printf("))\n"); 674 return; 675 } 676 if (special & CLOCK) { 677 struct clockinfo *clkp = (struct clockinfo *)buf; 678 679 if (!nflag) 680 (void)printf("%s = ", string); 681 (void)printf( 682 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 683 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 684 return; 685 } 686 if (special & BOOTTIME) { 687 struct timeval *btp = (struct timeval *)buf; 688 time_t boottime; 689 690 if (!nflag) { 691 boottime = btp->tv_sec; 692 (void)printf("%s = %s", string, ctime(&boottime)); 693 } else 694 (void)printf("%ld\n", btp->tv_sec); 695 return; 696 } 697 if (special & BLKDEV) { 698 dev_t dev = *(dev_t *)buf; 699 700 if (!nflag) 701 (void)printf("%s = %s\n", string, 702 devname(dev, S_IFBLK)); 703 else 704 (void)printf("0x%x\n", dev); 705 return; 706 } 707 if (special & CHRDEV) { 708 dev_t dev = *(dev_t *)buf; 709 710 if (!nflag) 711 (void)printf("%s = %s\n", string, 712 devname(dev, S_IFCHR)); 713 else 714 (void)printf("0x%x\n", dev); 715 return; 716 } 717 #ifdef CPU_BIOS 718 if (special & BIOSGEO) { 719 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 720 721 if (!nflag) 722 (void)printf("%s = ", string); 723 (void)printf("bootdev = 0x%x, " 724 "cylinders = %u, heads = %u, sectors = %u\n", 725 pdi->bsd_dev, pdi->bios_cylinders, 726 pdi->bios_heads, pdi->bios_sectors); 727 return; 728 } 729 if (special & BIOSDEV) { 730 int dev = *(int*)buf; 731 732 if (!nflag) 733 (void)printf("%s = ", string); 734 (void) printf("0x%02x\n", dev); 735 return; 736 } 737 #endif 738 if (special & UNSIGNED) { 739 if (newsize == 0) { 740 if (!nflag) 741 (void)printf("%s = ", string); 742 (void)printf("%u\n", *(u_int *)buf); 743 } else { 744 if (!nflag) 745 (void)printf("%s: %u -> ", string, 746 *(u_int *)buf); 747 (void)printf("%u\n", *(u_int *)newval); 748 } 749 return; 750 } 751 if (special & RNDSTATS) { 752 struct rndstats *rndstats = (struct rndstats *)buf; 753 int i; 754 755 if (!nflag) 756 (void)printf("%s = ", string); 757 (void)printf( 758 "%llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu", 759 (unsigned long long)rndstats->rnd_total, 760 (unsigned long long)rndstats->rnd_used, 761 (unsigned long long)rndstats->rnd_reads, 762 (unsigned long long)rndstats->arc4_reads, 763 (unsigned long long)rndstats->arc4_nstirs, 764 (unsigned long long)rndstats->arc4_stirs, 765 (unsigned long long)rndstats->rnd_pad[0], 766 (unsigned long long)rndstats->rnd_pad[1], 767 (unsigned long long)rndstats->rnd_pad[2], 768 (unsigned long long)rndstats->rnd_pad[3], 769 (unsigned long long)rndstats->rnd_pad[4], 770 (unsigned long long)rndstats->rnd_waits, 771 (unsigned long long)rndstats->rnd_enqs, 772 (unsigned long long)rndstats->rnd_deqs, 773 (unsigned long long)rndstats->rnd_drops, 774 (unsigned long long)rndstats->rnd_drople); 775 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 776 (void)printf(" %llu", (unsigned long long)rndstats->rnd_ed[i]); 777 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 778 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sc[i]); 779 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 780 (void)printf(" %llu", (unsigned long long)rndstats->rnd_sb[i]); 781 printf("\n"); 782 return; 783 } 784 if (special & BADDYNAMIC) { 785 in_port_t port, lastport; 786 u_int32_t *baddynamic = (u_int32_t *)buf; 787 788 if (!nflag) 789 (void)printf("%s%s", string, newsize ? ": " : " = "); 790 lastport = 0; 791 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 792 if (DP_ISSET(baddynamic, port)) { 793 (void)printf("%s%hd", lastport ? "," : "", 794 port); 795 lastport = port; 796 } 797 if (newsize != 0) { 798 if (!nflag) 799 fputs(" -> ", stdout); 800 baddynamic = (u_int32_t *)newval; 801 lastport = 0; 802 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 803 port++) 804 if (DP_ISSET(baddynamic, port)) { 805 (void)printf("%s%hd", 806 lastport ? "," : "", port); 807 lastport = port; 808 } 809 } 810 (void)putchar('\n'); 811 return; 812 } 813 if (special & LONGARRAY) { 814 long *la = (long *)buf; 815 if (!nflag) 816 printf("%s = ", string); 817 while (lal--) 818 printf("%ld%s", *la++, lal? ",":""); 819 putchar('\n'); 820 return; 821 } 822 switch (type) { 823 case CTLTYPE_INT: 824 if (newsize == 0) { 825 if (!nflag) 826 (void)printf("%s = ", string); 827 (void)printf("%d\n", *(int *)buf); 828 } else { 829 if (!nflag) 830 (void)printf("%s: %d -> ", string, 831 *(int *)buf); 832 (void)printf("%d\n", *(int *)newval); 833 } 834 return; 835 836 case CTLTYPE_STRING: 837 if (newval == NULL) { 838 if (!nflag) 839 (void)printf("%s = ", string); 840 (void)puts(buf); 841 } else { 842 if (!nflag) 843 (void)printf("%s: %s -> ", string, buf); 844 (void)puts((char *)newval); 845 } 846 return; 847 848 case CTLTYPE_QUAD: 849 if (newsize == 0) { 850 long long tmp = *(quad_t *)buf; 851 852 if (!nflag) 853 (void)printf("%s = ", string); 854 (void)printf("%lld\n", tmp); 855 } else { 856 long long tmp = *(quad_t *)buf; 857 858 if (!nflag) 859 (void)printf("%s: %lld -> ", string, tmp); 860 tmp = *(quad_t *)newval; 861 (void)printf("%qd\n", tmp); 862 } 863 return; 864 865 case CTLTYPE_STRUCT: 866 warnx("%s: unknown structure returned", string); 867 return; 868 869 default: 870 case CTLTYPE_NODE: 871 warnx("%s: unknown type returned", string); 872 return; 873 } 874 } 875 876 void 877 parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 878 int mib[]; 879 size_t len; 880 char *string; 881 void **newvalp; 882 size_t *newsizep; 883 int flags; 884 int nflag; 885 { 886 static u_int32_t newbaddynamic[DP_MAPSIZE]; 887 in_port_t port; 888 size_t size; 889 char action, *cp; 890 891 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 892 size = sizeof(newbaddynamic); 893 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 894 if (flags == 0) 895 return; 896 if (!nflag) 897 (void)printf("%s: ", string); 898 (void)puts("kernel does contain bad dynamic port tables"); 899 return; 900 } 901 902 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 903 if (*cp != '+' && *cp != '-') 904 errx(1, "cannot mix +/- with full list"); 905 action = *cp++; 906 port = atoi(cp); 907 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 908 errx(1, "invalid port, range is %d to %d", 909 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 910 if (action == '+') 911 DP_SET(newbaddynamic, port); 912 else 913 DP_CLR(newbaddynamic, port); 914 } 915 } else { 916 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 917 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 918 port = atoi(cp); 919 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 920 errx(1, "invalid port, range is %d to %d", 921 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 922 DP_SET(newbaddynamic, port); 923 } 924 } 925 926 *newvalp = (void *)newbaddynamic; 927 *newsizep = sizeof(newbaddynamic); 928 } 929 930 /* 931 * Initialize the set of debugging names 932 */ 933 void 934 debuginit() 935 { 936 int mib[3], loc, i; 937 size_t size; 938 939 if (secondlevel[CTL_DEBUG].list != 0) 940 return; 941 secondlevel[CTL_DEBUG].list = debugname; 942 mib[0] = CTL_DEBUG; 943 mib[2] = CTL_DEBUG_NAME; 944 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 945 mib[1] = i; 946 size = BUFSIZ - loc; 947 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 948 continue; 949 debugname[i].ctl_name = &names[loc]; 950 debugname[i].ctl_type = CTLTYPE_INT; 951 loc += size; 952 } 953 lastused = loc; 954 } 955 956 struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 957 struct ctlname ffsname[] = FFS_NAMES; 958 struct ctlname nfsname[] = FS_NFS_NAMES; 959 struct list *vfsvars; 960 int *vfs_typenums; 961 962 /* 963 * Initialize the set of filesystem names 964 */ 965 void 966 vfsinit() 967 { 968 int mib[4], maxtypenum, cnt, loc, size; 969 struct vfsconf vfc; 970 size_t buflen; 971 972 if (secondlevel[CTL_VFS].list != 0) 973 return; 974 mib[0] = CTL_VFS; 975 mib[1] = VFS_GENERIC; 976 mib[2] = VFS_MAXTYPENUM; 977 buflen = 4; 978 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 979 return; 980 maxtypenum++; /* + generic */ 981 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 982 return; 983 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 984 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 985 free(vfs_typenums); 986 return; 987 } 988 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 989 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 990 free(vfs_typenums); 991 free(vfsvars); 992 return; 993 } 994 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 995 mib[2] = VFS_CONF; 996 buflen = sizeof vfc; 997 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 998 mib[3] = cnt - 1; 999 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 1000 if (errno == EOPNOTSUPP) 1001 continue; 1002 warn("vfsinit"); 1003 free(vfsname); 1004 return; 1005 } 1006 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 1007 vfsvars[cnt].list = ffsname; 1008 vfsvars[cnt].size = FFS_MAXID; 1009 } 1010 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 1011 vfsvars[cnt].list = nfsname; 1012 vfsvars[cnt].size = NFS_MAXID; 1013 } 1014 vfs_typenums[cnt] = vfc.vfc_typenum; 1015 strcat(&names[loc], vfc.vfc_name); 1016 vfsname[cnt].ctl_name = &names[loc]; 1017 vfsname[cnt].ctl_type = CTLTYPE_NODE; 1018 size = strlen(vfc.vfc_name) + 1; 1019 loc += size; 1020 } 1021 lastused = loc; 1022 1023 vfsname[0].ctl_name = "mounts"; 1024 vfsname[0].ctl_type = CTLTYPE_NODE; 1025 vfsvars[0].list = vfsname + 1; 1026 vfsvars[0].size = maxtypenum - 1; 1027 1028 secondlevel[CTL_VFS].list = vfsname; 1029 secondlevel[CTL_VFS].size = maxtypenum; 1030 return; 1031 } 1032 1033 int 1034 sysctl_vfsgen(string, bufpp, mib, flags, typep) 1035 char *string; 1036 char **bufpp; 1037 int mib[]; 1038 int flags; 1039 int *typep; 1040 { 1041 int indx; 1042 size_t size; 1043 struct vfsconf vfc; 1044 1045 if (*bufpp == NULL) { 1046 listall(string, vfsvars); 1047 return (-1); 1048 } 1049 1050 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 1051 return (-1); 1052 1053 mib[1] = VFS_GENERIC; 1054 mib[2] = VFS_CONF; 1055 mib[3] = indx; 1056 size = sizeof vfc; 1057 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 1058 if (errno != EOPNOTSUPP) 1059 warn("vfs print"); 1060 return -1; 1061 } 1062 if (flags == 0 && vfc.vfc_refcount == 0) 1063 return -1; 1064 if (!nflag) 1065 fprintf(stdout, "%s has %d mounted instance%s\n", 1066 string, vfc.vfc_refcount, 1067 vfc.vfc_refcount != 1 ? "s" : ""); 1068 else 1069 fprintf(stdout, "%d\n", vfc.vfc_refcount); 1070 1071 return -1; 1072 } 1073 1074 int 1075 sysctl_vfs(string, bufpp, mib, flags, typep) 1076 char *string; 1077 char **bufpp; 1078 int mib[]; 1079 int flags; 1080 int *typep; 1081 { 1082 struct list *lp = &vfsvars[mib[1]]; 1083 int indx; 1084 1085 if (lp->list == NULL) { 1086 if (flags) 1087 warnx("No variables defined for file system %s", string); 1088 return(-1); 1089 } 1090 if (*bufpp == NULL) { 1091 listall(string, lp); 1092 return (-1); 1093 } 1094 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1095 return (-1); 1096 1097 mib[1] = vfs_typenums[mib[1]]; 1098 mib[2] = indx; 1099 *typep = lp->list[indx].ctl_type; 1100 return (3); 1101 } 1102 1103 struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1104 struct list fslist = { posixname, FS_POSIX_MAXID }; 1105 1106 /* 1107 * handle file system requests 1108 */ 1109 int 1110 sysctl_fs(string, bufpp, mib, flags, typep) 1111 char *string; 1112 char **bufpp; 1113 int mib[]; 1114 int flags; 1115 int *typep; 1116 { 1117 int indx; 1118 1119 if (*bufpp == NULL) { 1120 listall(string, &fslist); 1121 return(-1); 1122 } 1123 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1124 return(-1); 1125 mib[2] = indx; 1126 *typep = fslist.list[indx].ctl_type; 1127 return(3); 1128 } 1129 1130 #ifdef CPU_BIOS 1131 struct ctlname biosname[] = CTL_BIOS_NAMES; 1132 struct list bioslist = { biosname, BIOS_MAXID }; 1133 1134 /* 1135 * handle BIOS requests 1136 */ 1137 int 1138 sysctl_bios(string, bufpp, mib, flags, typep) 1139 char *string; 1140 char **bufpp; 1141 int mib[]; 1142 int flags; 1143 int *typep; 1144 { 1145 char *name; 1146 int indx; 1147 1148 if (*bufpp == NULL) { 1149 listall(string, &bioslist); 1150 return(-1); 1151 } 1152 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1153 return(-1); 1154 mib[2] = indx; 1155 if (indx == BIOS_DISKINFO) { 1156 if (*bufpp == NULL) { 1157 char name[BUFSIZ]; 1158 1159 /* scan all the bios devices */ 1160 for (indx = 0; indx < 256; indx++) { 1161 snprintf(name, sizeof(name), "%s.%u", 1162 string, indx); 1163 parse(name, 1); 1164 } 1165 return(-1); 1166 } 1167 if ((name = strsep(bufpp, ".")) == NULL) { 1168 warnx("%s: incomplete specification", string); 1169 return(-1); 1170 } 1171 mib[3] = atoi(name); 1172 *typep = CTLTYPE_STRUCT; 1173 return(4); 1174 } else { 1175 *typep = bioslist.list[indx].ctl_type; 1176 return(3); 1177 } 1178 } 1179 #endif 1180 1181 struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1182 struct list swpenclist = { swpencname, SWPENC_MAXID }; 1183 1184 /* 1185 * handle swap encrypt requests 1186 */ 1187 int 1188 sysctl_swpenc(string, bufpp, mib, flags, typep) 1189 char *string; 1190 char **bufpp; 1191 int mib[]; 1192 int flags; 1193 int *typep; 1194 { 1195 int indx; 1196 1197 if (*bufpp == NULL) { 1198 listall(string, &swpenclist); 1199 return(-1); 1200 } 1201 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1202 return(-1); 1203 mib[2] = indx; 1204 *typep = swpenclist.list[indx].ctl_type; 1205 return(3); 1206 } 1207 1208 struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1209 struct ctlname ipname[] = IPCTL_NAMES; 1210 struct ctlname icmpname[] = ICMPCTL_NAMES; 1211 struct ctlname ipipname[] = IPIPCTL_NAMES; 1212 struct ctlname tcpname[] = TCPCTL_NAMES; 1213 struct ctlname udpname[] = UDPCTL_NAMES; 1214 struct ctlname espname[] = ESPCTL_NAMES; 1215 struct ctlname ahname[] = AHCTL_NAMES; 1216 struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1217 struct ctlname grename[] = GRECTL_NAMES; 1218 struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1219 struct ctlname ipcompname[] = IPCOMPCTL_NAMES; 1220 struct list inetlist = { inetname, IPPROTO_MAXID }; 1221 struct list inetvars[] = { 1222 { ipname, IPCTL_MAXID }, /* ip */ 1223 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1224 { 0, 0 }, /* igmp */ 1225 { 0, 0 }, /* ggmp */ 1226 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1227 { 0, 0 }, 1228 { tcpname, TCPCTL_MAXID }, /* tcp */ 1229 { 0, 0 }, 1230 { 0, 0 }, /* egp */ 1231 { 0, 0 }, 1232 { 0, 0 }, 1233 { 0, 0 }, 1234 { 0, 0 }, /* pup */ 1235 { 0, 0 }, 1236 { 0, 0 }, 1237 { 0, 0 }, 1238 { 0, 0 }, 1239 { udpname, UDPCTL_MAXID }, /* udp */ 1240 { 0, 0 }, 1241 { 0, 0 }, 1242 { 0, 0 }, 1243 { 0, 0 }, 1244 { 0, 0 }, 1245 { 0, 0 }, 1246 { 0, 0 }, 1247 { 0, 0 }, 1248 { 0, 0 }, 1249 { 0, 0 }, 1250 { 0, 0 }, 1251 { 0, 0 }, 1252 { 0, 0 }, 1253 { 0, 0 }, 1254 { 0, 0 }, 1255 { 0, 0 }, 1256 { 0, 0 }, 1257 { 0, 0 }, 1258 { 0, 0 }, 1259 { 0, 0 }, 1260 { 0, 0 }, 1261 { 0, 0 }, 1262 { 0, 0 }, 1263 { 0, 0 }, 1264 { 0, 0 }, 1265 { 0, 0 }, 1266 { 0, 0 }, 1267 { 0, 0 }, 1268 { 0, 0 }, 1269 { grename, GRECTL_MAXID }, /* GRE */ 1270 { 0, 0 }, 1271 { 0, 0 }, 1272 { espname, ESPCTL_MAXID }, /* esp */ 1273 { ahname, AHCTL_MAXID }, /* ah */ 1274 { 0, 0 }, 1275 { 0, 0 }, 1276 { 0, 0 }, 1277 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 1278 { 0, 0 }, 1279 { 0, 0 }, 1280 { 0, 0 }, 1281 { 0, 0 }, 1282 { 0, 0 }, 1283 { 0, 0 }, 1284 { 0, 0 }, 1285 { 0, 0 }, 1286 { 0, 0 }, 1287 { 0, 0 }, 1288 { 0, 0 }, 1289 { 0, 0 }, 1290 { 0, 0 }, 1291 { 0, 0 }, 1292 { 0, 0 }, 1293 { 0, 0 }, 1294 { 0, 0 }, 1295 { 0, 0 }, 1296 { 0, 0 }, 1297 { 0, 0 }, 1298 { 0, 0 }, 1299 { 0, 0 }, 1300 { 0, 0 }, 1301 { 0, 0 }, 1302 { 0, 0 }, 1303 { 0, 0 }, 1304 { 0, 0 }, 1305 { 0, 0 }, 1306 { 0, 0 }, 1307 { 0, 0 }, 1308 { 0, 0 }, 1309 { 0, 0 }, 1310 { 0, 0 }, 1311 { 0, 0 }, 1312 { 0, 0 }, 1313 { 0, 0 }, 1314 { 0, 0 }, 1315 { 0, 0 }, 1316 { 0, 0 }, 1317 { 0, 0 }, 1318 { 0, 0 }, 1319 { etheripname, ETHERIPCTL_MAXID }, 1320 { 0, 0 }, 1321 { 0, 0 }, 1322 { 0, 0 }, 1323 { 0, 0 }, 1324 { 0, 0 }, 1325 { 0, 0 }, 1326 { 0, 0 }, 1327 { 0, 0 }, 1328 { 0, 0 }, 1329 { 0, 0 }, 1330 { ipcompname, IPCOMPCTL_MAXID }, 1331 }; 1332 1333 struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1334 struct list forkstatlist = { forkstatname, KERN_FORKSTAT_MAXID }; 1335 struct list nchstatslist = { nchstatsname, KERN_NCHSTATS_MAXID }; 1336 struct list ttylist = { ttyname, KERN_TTY_MAXID }; 1337 1338 /* 1339 * handle vfs namei cache statistics 1340 */ 1341 int 1342 sysctl_nchstats(string, bufpp, mib, flags, typep) 1343 char *string; 1344 char **bufpp; 1345 int mib[]; 1346 int flags; 1347 int *typep; 1348 { 1349 static struct nchstats nch; 1350 int indx; 1351 size_t size; 1352 static int keepvalue = 0; 1353 1354 if (*bufpp == NULL) { 1355 bzero(&nch, sizeof(struct nchstats)); 1356 listall(string, &nchstatslist); 1357 return(-1); 1358 } 1359 if ((indx = findname(string, "third", bufpp, &nchstatslist)) == -1) 1360 return(-1); 1361 mib[2] = indx; 1362 if (*bufpp != NULL) { 1363 warnx("fourth level name in %s is invalid", string); 1364 return(-1); 1365 } 1366 if (keepvalue == 0) { 1367 size = sizeof(struct nchstats); 1368 if (sysctl(mib, 2, &nch, &size, NULL, 0) < 0) 1369 return(-1); 1370 keepvalue = 1; 1371 } 1372 if (!nflag) 1373 (void)printf("%s = ", string); 1374 switch (indx) { 1375 case KERN_NCHSTATS_GOODHITS: 1376 (void)printf("%ld\n", nch.ncs_goodhits); 1377 break; 1378 case KERN_NCHSTATS_NEGHITS: 1379 (void)printf("%ld\n", nch.ncs_neghits); 1380 break; 1381 case KERN_NCHSTATS_BADHITS: 1382 (void)printf("%ld\n", nch.ncs_badhits); 1383 break; 1384 case KERN_NCHSTATS_FALSEHITS: 1385 (void)printf("%ld\n", nch.ncs_falsehits); 1386 break; 1387 case KERN_NCHSTATS_MISS: 1388 (void)printf("%ld\n", nch.ncs_miss); 1389 break; 1390 case KERN_NCHSTATS_LONG: 1391 (void)printf("%ld\n", nch.ncs_long); 1392 break; 1393 case KERN_NCHSTATS_PASS2: 1394 (void)printf("%ld\n", nch.ncs_pass2); 1395 break; 1396 case KERN_NCHSTATS_2PASSES: 1397 (void)printf("%ld\n", nch.ncs_2passes); 1398 break; 1399 } 1400 return(-1); 1401 } 1402 1403 /* 1404 * handle tty statistics 1405 */ 1406 int 1407 sysctl_tty(string, bufpp, mib, flags, typep) 1408 char *string; 1409 char **bufpp; 1410 int mib[]; 1411 int flags; 1412 int *typep; 1413 { 1414 int indx; 1415 1416 if (*bufpp == NULL) { 1417 listall(string, &ttylist); 1418 return(-1); 1419 } 1420 if ((indx = findname(string, "third", bufpp, &ttylist)) == -1) 1421 return(-1); 1422 mib[2] = indx; 1423 *typep = CTLTYPE_QUAD; 1424 return(3); 1425 } 1426 1427 /* 1428 * handle fork statistics 1429 */ 1430 int 1431 sysctl_forkstat(string, bufpp, mib, flags, typep) 1432 char *string; 1433 char **bufpp; 1434 int mib[]; 1435 int flags; 1436 int *typep; 1437 { 1438 static struct forkstat fks; 1439 static int keepvalue = 0; 1440 int indx; 1441 size_t size; 1442 1443 if (*bufpp == NULL) { 1444 bzero(&fks, sizeof(struct forkstat)); 1445 listall(string, &forkstatlist); 1446 return(-1); 1447 } 1448 if ((indx = findname(string, "third", bufpp, &forkstatlist)) == -1) 1449 return(-1); 1450 if (*bufpp != NULL) { 1451 warnx("fourth level name in %s is invalid", string); 1452 return(-1); 1453 } 1454 if (keepvalue == 0) { 1455 size = sizeof(struct forkstat); 1456 if (sysctl(mib, 2, &fks, &size, NULL, 0) < 0) 1457 return(-1); 1458 keepvalue = 1; 1459 } 1460 if (!nflag) 1461 (void)printf("%s = ", string); 1462 switch (indx) { 1463 case KERN_FORKSTAT_FORK: 1464 (void)printf("%d\n", fks.cntfork); 1465 break; 1466 case KERN_FORKSTAT_VFORK: 1467 (void)printf("%d\n", fks.cntvfork); 1468 break; 1469 case KERN_FORKSTAT_RFORK: 1470 (void)printf("%d\n", fks.cntrfork); 1471 break; 1472 case KERN_FORKSTAT_KTHREAD: 1473 (void)printf("%d\n", fks.cntkthread); 1474 break; 1475 case KERN_FORKSTAT_SIZFORK: 1476 (void)printf("%d\n", fks.sizfork); 1477 break; 1478 case KERN_FORKSTAT_SIZVFORK: 1479 (void)printf("%d\n", fks.sizvfork); 1480 break; 1481 case KERN_FORKSTAT_SIZRFORK: 1482 (void)printf("%d\n", fks.sizrfork); 1483 break; 1484 case KERN_FORKSTAT_SIZKTHREAD: 1485 (void)printf("%d\n", fks.sizkthread); 1486 break; 1487 } 1488 return(-1); 1489 } 1490 1491 /* 1492 * handle malloc statistics 1493 */ 1494 int 1495 sysctl_malloc(string, bufpp, mib, flags, typep) 1496 char *string; 1497 char **bufpp; 1498 int mib[]; 1499 int flags; 1500 int *typep; 1501 { 1502 int indx, stor, i; 1503 char *name, bufp[BUFSIZ], *buf, *ptr; 1504 struct list lp; 1505 size_t size; 1506 1507 if (*bufpp == NULL) { 1508 listall(string, &kernmalloclist); 1509 return(-1); 1510 } 1511 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1512 return(-1); 1513 mib[2] = indx; 1514 if (mib[2] == KERN_MALLOC_BUCKET) { 1515 if ((name = strsep(bufpp, ".")) == NULL) { 1516 size = BUFSIZ; 1517 stor = mib[2]; 1518 mib[2] = KERN_MALLOC_BUCKETS; 1519 buf = bufp; 1520 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1521 return(-1); 1522 mib[2] = stor; 1523 for (stor = 0, i = 0; i < size; i++) 1524 if (buf[i] == ',') 1525 stor++; 1526 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1527 if (lp.list == NULL) 1528 return(-1); 1529 lp.size = stor + 2; 1530 for (i = 1; 1531 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1532 i++) { 1533 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1534 } 1535 lp.list[i].ctl_name = buf; 1536 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1537 listall(string, &lp); 1538 free(lp.list); 1539 return(-1); 1540 } 1541 mib[3] = atoi(name); 1542 return(4); 1543 } else if (mib[2] == KERN_MALLOC_BUCKETS) { 1544 *typep = CTLTYPE_STRING; 1545 return(3); 1546 } else if (mib[2] == KERN_MALLOC_KMEMSTATS) { 1547 size = BUFSIZ; 1548 stor = mib[2]; 1549 mib[2] = KERN_MALLOC_KMEMNAMES; 1550 buf = bufp; 1551 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1552 return(-1); 1553 mib[2] = stor; 1554 if ((name = strsep(bufpp, ".")) == NULL) { 1555 for (stor = 0, i = 0; i < size; i++) 1556 if (buf[i] == ',') 1557 stor++; 1558 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1559 if (lp.list == NULL) 1560 return(-1); 1561 lp.size = stor + 2; 1562 for (i = 1; (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; i++) { 1563 if (lp.list[i].ctl_name[0] == '\0') { 1564 i--; 1565 continue; 1566 } 1567 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1568 } 1569 lp.list[i].ctl_name = buf; 1570 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1571 listall(string, &lp); 1572 free(lp.list); 1573 return(-1); 1574 } 1575 ptr = strstr(buf, name); 1576 tryagain: 1577 if (ptr == NULL) { 1578 warnx("fourth level name %s in %s is invalid", name, 1579 string); 1580 return(-1); 1581 } 1582 if ((*(ptr + strlen(name)) != ',') && 1583 (*(ptr + strlen(name)) != '\0')) { 1584 ptr = strstr(ptr + 1, name); /* retry */ 1585 goto tryagain; 1586 } 1587 if ((ptr != buf) && (*(ptr - 1) != ',')) { 1588 ptr = strstr(ptr + 1, name); /* retry */ 1589 goto tryagain; 1590 } 1591 for (i = 0, stor = 0; buf + i < ptr; i++) 1592 if (buf[i] == ',') 1593 stor++; 1594 mib[3] = stor; 1595 return(4); 1596 } else if (mib[2] == KERN_MALLOC_KMEMNAMES) { 1597 *typep = CTLTYPE_STRING; 1598 return(3); 1599 } 1600 return(-1); 1601 } 1602 1603 /* 1604 * handle internet requests 1605 */ 1606 int 1607 sysctl_inet(string, bufpp, mib, flags, typep) 1608 char *string; 1609 char **bufpp; 1610 int mib[]; 1611 int flags; 1612 int *typep; 1613 { 1614 struct list *lp; 1615 int indx; 1616 1617 if (*bufpp == NULL) { 1618 listall(string, &inetlist); 1619 return(-1); 1620 } 1621 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1622 return(-1); 1623 mib[2] = indx; 1624 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1625 lp = &inetvars[indx]; 1626 else if (!flags) 1627 return(-1); 1628 else { 1629 warnx("%s: no variables defined for this protocol", string); 1630 return(-1); 1631 } 1632 if (*bufpp == NULL) { 1633 listall(string, lp); 1634 return(-1); 1635 } 1636 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1637 return(-1); 1638 mib[3] = indx; 1639 *typep = lp->list[indx].ctl_type; 1640 return(4); 1641 } 1642 1643 #ifdef INET6 1644 struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1645 struct ctlname ip6name[] = IPV6CTL_NAMES; 1646 struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1647 struct ctlname pim6name[] = PIM6CTL_NAMES; 1648 struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1649 struct list inet6vars[] = { 1650 /*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1651 { 0, 0 }, 1652 { 0, 0 }, 1653 { 0, 0 }, 1654 { 0, 0 }, 1655 { 0, 0 }, 1656 /*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1657 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1658 /*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1659 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1660 /*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1661 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1662 /*40*/ { 0, 0 }, 1663 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1664 { 0, 0 }, 1665 { 0, 0 }, 1666 { 0, 0 }, 1667 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1668 /*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1669 { 0, 0 }, 1670 { 0, 0 }, 1671 { 0, 0 }, 1672 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1673 { 0, 0 }, 1674 /*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1675 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1676 /*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1677 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1678 /*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1679 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1680 /*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1681 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1682 /*100*/ { 0, 0 }, 1683 { 0, 0 }, 1684 { 0, 0 }, 1685 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1686 }; 1687 1688 /* 1689 * handle internet6 requests 1690 */ 1691 int 1692 sysctl_inet6(string, bufpp, mib, flags, typep) 1693 char *string; 1694 char **bufpp; 1695 int mib[]; 1696 int flags; 1697 int *typep; 1698 { 1699 struct list *lp; 1700 int indx; 1701 1702 if (*bufpp == NULL) { 1703 listall(string, &inet6list); 1704 return(-1); 1705 } 1706 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1707 return(-1); 1708 mib[2] = indx; 1709 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1710 lp = &inet6vars[indx]; 1711 else if (!flags) 1712 return(-1); 1713 else { 1714 warnx("%s: no variables defined for this protocol", string); 1715 return(-1); 1716 } 1717 if (*bufpp == NULL) { 1718 listall(string, lp); 1719 return(-1); 1720 } 1721 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1722 return(-1); 1723 mib[3] = indx; 1724 *typep = lp->list[indx].ctl_type; 1725 return(4); 1726 } 1727 #endif 1728 1729 struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1730 struct ctlname ipxpname[] = IPXCTL_NAMES; 1731 struct ctlname spxpname[] = SPXCTL_NAMES; 1732 struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1733 struct list ipxvars[] = { 1734 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1735 { 0, 0 }, 1736 { 0, 0 }, 1737 { 0, 0 }, 1738 { 0, 0 }, 1739 { spxpname, SPXCTL_MAXID }, 1740 }; 1741 1742 /* 1743 * Handle internet requests 1744 */ 1745 int 1746 sysctl_ipx(string, bufpp, mib, flags, typep) 1747 char *string; 1748 char **bufpp; 1749 int mib[]; 1750 int flags; 1751 int *typep; 1752 { 1753 struct list *lp; 1754 int indx; 1755 1756 if (*bufpp == NULL) { 1757 listall(string, &ipxlist); 1758 return(-1); 1759 } 1760 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1761 return(-1); 1762 mib[2] = indx; 1763 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1764 lp = &ipxvars[indx]; 1765 else if (!flags) 1766 return(-1); 1767 else { 1768 warnx("%s: no variables defined for this protocol", string); 1769 return(-1); 1770 } 1771 if (*bufpp == NULL) { 1772 listall(string, lp); 1773 return(-1); 1774 } 1775 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1776 return(-1); 1777 mib[3] = indx; 1778 *typep = lp->list[indx].ctl_type; 1779 return(4); 1780 } 1781 1782 /* 1783 * Scan a list of names searching for a particular name. 1784 */ 1785 int 1786 findname(string, level, bufp, namelist) 1787 char *string; 1788 char *level; 1789 char **bufp; 1790 struct list *namelist; 1791 { 1792 char *name; 1793 int i; 1794 1795 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1796 warnx("%s: incomplete specification", string); 1797 return(-1); 1798 } 1799 for (i = 0; i < namelist->size; i++) 1800 if (namelist->list[i].ctl_name != NULL && 1801 strcmp(name, namelist->list[i].ctl_name) == 0) 1802 break; 1803 if (i == namelist->size) { 1804 warnx("%s level name %s in %s is invalid", level, name, string); 1805 return(-1); 1806 } 1807 return(i); 1808 } 1809 1810 void 1811 usage() 1812 { 1813 1814 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1815 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1816 "sysctl [-n] -a", "sysctl [-n] -A"); 1817 exit(1); 1818 } 1819