sysctl.c revision 1.57
1/* $OpenBSD: sysctl.c,v 1.57 2001/01/04 07:50:33 angelos 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 1.57 2001/01/04 07:50:33 angelos 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 <vm/vm_param.h> 59#include <machine/cpu.h> 60#include <net/route.h> 61 62#include <netinet/in.h> 63#include <netinet/in_systm.h> 64#include <netinet/ip.h> 65#include <netinet/in_pcb.h> 66#include <netinet/ip_icmp.h> 67#include <netinet/ip_ipip.h> 68#include <netinet/ip_ether.h> 69#include <netinet/ip_ah.h> 70#include <netinet/ip_esp.h> 71#include <netinet/icmp_var.h> 72#include <netinet/ip_var.h> 73#include <netinet/udp.h> 74#include <netinet/udp_var.h> 75#include <netinet/tcp.h> 76#include <netinet/tcp_timer.h> 77#include <netinet/tcp_var.h> 78#include <netinet/ip_gre.h> 79 80#ifdef INET6 81#include <netinet/ip6.h> 82#include <netinet/icmp6.h> 83#include <netinet6/ip6_var.h> 84#include <netinet6/pim6_var.h> 85#endif 86 87#ifdef UVM 88#include <uvm/uvm_swap_encrypt.h> 89#endif 90 91#include <ufs/ufs/quota.h> 92#include <ufs/ufs/inode.h> 93#include <ufs/ffs/fs.h> 94#include <ufs/ffs/ffs_extern.h> 95 96#include <nfs/rpcv2.h> 97#include <nfs/nfsproto.h> 98#include <nfs/nfs.h> 99 100#include <netipx/ipx.h> 101#include <netipx/ipx_var.h> 102#include <netipx/spx_var.h> 103#include <ddb/db_var.h> 104#include <dev/rndvar.h> 105 106#include <err.h> 107#include <errno.h> 108#include <stdio.h> 109#include <stdlib.h> 110#include <string.h> 111#include <ctype.h> 112 113#ifdef CPU_BIOS 114#include <machine/biosvar.h> 115#endif 116 117struct ctlname topname[] = CTL_NAMES; 118struct ctlname kernname[] = CTL_KERN_NAMES; 119struct ctlname vmname[] = CTL_VM_NAMES; 120struct ctlname fsname[] = CTL_FS_NAMES; 121struct ctlname netname[] = CTL_NET_NAMES; 122struct ctlname hwname[] = CTL_HW_NAMES; 123struct ctlname username[] = CTL_USER_NAMES; 124struct ctlname debugname[CTL_DEBUG_MAXID]; 125struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES; 126struct ctlname kernbucketname[] = CTL_KERN_MALLOC_BUCKET_NAMES; 127struct ctlname *vfsname; 128#ifdef CTL_MACHDEP_NAMES 129struct ctlname machdepname[] = CTL_MACHDEP_NAMES; 130#endif 131struct ctlname ddbname[] = CTL_DDB_NAMES; 132char names[BUFSIZ]; 133int lastused; 134 135struct list { 136 struct ctlname *list; 137 int size; 138}; 139struct list toplist = { topname, CTL_MAXID }; 140struct list secondlevel[] = { 141 { 0, 0 }, /* CTL_UNSPEC */ 142 { kernname, KERN_MAXID }, /* CTL_KERN */ 143 { vmname, VM_MAXID }, /* CTL_VM */ 144 { fsname, FS_MAXID }, /* CTL_FS */ 145 { netname, NET_MAXID }, /* CTL_NET */ 146 { 0, CTL_DEBUG_MAXID }, /* CTL_DEBUG */ 147 { hwname, HW_MAXID }, /* CTL_HW */ 148#ifdef CTL_MACHDEP_NAMES 149 { machdepname, CPU_MAXID }, /* CTL_MACHDEP */ 150#else 151 { 0, 0 }, /* CTL_MACHDEP */ 152#endif 153 { username, USER_MAXID }, /* CTL_USER_NAMES */ 154 { ddbname, DBCTL_MAXID }, /* CTL_DDB_NAMES */ 155 { 0, 0 }, /* CTL_VFS */ 156}; 157 158int Aflag, aflag, nflag, wflag; 159 160/* 161 * Variables requiring special processing. 162 */ 163#define CLOCK 0x00000001 164#define BOOTTIME 0x00000002 165#define CHRDEV 0x00000004 166#define BLKDEV 0x00000008 167#define RNDSTATS 0x00000010 168#define BADDYNAMIC 0x00000020 169#define BIOSGEO 0x00000040 170#define BIOSDEV 0x00000080 171#define MAJ2DEV 0x00000100 172#define UNSIGNED 0x00000200 173#define KMEMBUCKETS 0x00000400 174 175/* prototypes */ 176void debuginit __P((void)); 177void listall __P((char *, struct list *)); 178void parse __P((char *, int)); 179void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 180void usage __P((void)); 181int findname __P((char *, char *, char **, struct list *)); 182int sysctl_inet __P((char *, char **, int *, int, int *)); 183#ifdef INET6 184int sysctl_inet6 __P((char *, char **, int *, int, int *)); 185#endif 186int sysctl_ipx __P((char *, char **, int *, int, int *)); 187int sysctl_fs __P((char *, char **, int *, int, int *)); 188static int sysctl_vfs __P((char *, char **, int[], int, int *)); 189static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 190int sysctl_bios __P((char *, char **, int *, int, int *)); 191int sysctl_swpenc __P((char *, char **, int *, int, int *)); 192void vfsinit __P((void)); 193 194int 195main(argc, argv) 196 int argc; 197 char *argv[]; 198{ 199 int ch, lvl1; 200 201 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 202 switch (ch) { 203 204 case 'A': 205 Aflag = 1; 206 break; 207 208 case 'a': 209 aflag = 1; 210 break; 211 212 case 'n': 213 nflag = 1; 214 break; 215 216 case 'w': 217 wflag = 1; 218 break; 219 220 default: 221 usage(); 222 } 223 } 224 argc -= optind; 225 argv += optind; 226 227 if (argc == 0 && (Aflag || aflag)) { 228 debuginit(); 229 vfsinit(); 230 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 231 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 232 exit(0); 233 } 234 if (argc == 0) 235 usage(); 236 for (; *argv != NULL; ++argv) 237 parse(*argv, 1); 238 exit(0); 239} 240 241/* 242 * List all variables known to the system. 243 */ 244void 245listall(prefix, lp) 246 char *prefix; 247 struct list *lp; 248{ 249 int lvl2; 250 char *cp, name[BUFSIZ]; 251 252 if (lp->list == NULL) 253 return; 254 (void)strlcpy(name, prefix, BUFSIZ); 255 cp = &name[strlen(name)]; 256 *cp++ = '.'; 257 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 258 if (lp->list[lvl2].ctl_name == NULL) 259 continue; 260 (void)strcpy(cp, lp->list[lvl2].ctl_name); 261 parse(name, Aflag); 262 } 263} 264 265/* 266 * Parse a name into a MIB entry. 267 * Lookup and print out the MIB entry if it exists. 268 * Set a new value if requested. 269 */ 270void 271parse(string, flags) 272 char *string; 273 int flags; 274{ 275 int indx, type, state, intval, len; 276 size_t size, newsize = 0; 277 int special = 0; 278 void *newval = 0; 279 quad_t quadval; 280 struct list *lp; 281 int mib[CTL_MAXNAME]; 282 char *cp, *bufp, buf[BUFSIZ]; 283 284 (void)strlcpy(buf, string, sizeof(buf)); 285 bufp = buf; 286 if ((cp = strchr(string, '=')) != NULL) { 287 if (!wflag) 288 errx(2, "must specify -w to set variables"); 289 *strchr(buf, '=') = '\0'; 290 *cp++ = '\0'; 291 while (isspace(*cp)) 292 cp++; 293 newval = cp; 294 newsize = strlen(cp); 295 } 296 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 297 return; 298 mib[0] = indx; 299 if (indx == CTL_VFS) 300 vfsinit(); 301 if (indx == CTL_DEBUG) 302 debuginit(); 303 lp = &secondlevel[indx]; 304 if (lp->list == 0) { 305 warnx("%s: class is not implemented", topname[indx].ctl_name); 306 return; 307 } 308 if (bufp == NULL) { 309 listall(topname[indx].ctl_name, lp); 310 return; 311 } 312 if ((indx = findname(string, "second", &bufp, lp)) == -1) 313 return; 314 mib[1] = indx; 315 type = lp->list[indx].ctl_type; 316 len = 2; 317 switch (mib[0]) { 318 319 case CTL_KERN: 320 switch (mib[1]) { 321 case KERN_PROF: 322 mib[2] = GPROF_STATE; 323 size = sizeof(state); 324 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 325 if (flags == 0) 326 return; 327 if (!nflag) 328 (void)printf("%s: ", string); 329 (void)puts("kernel is not compiled for profiling"); 330 return; 331 } 332 if (!nflag) 333 (void)printf("%s = %s\n", string, 334 state == GMON_PROF_OFF ? "off" : "running"); 335 return; 336 case KERN_MALLOCSTATS: 337 len = sysctl_malloc(string, &bufp, mib, flags, &type); 338 if (len < 0) 339 return; 340 if (mib[2] == KERN_MALLOC_BUCKET) 341 special |= KMEMBUCKETS; 342 newsize = 0; 343 break; 344 case KERN_VNODE: 345 case KERN_FILE: 346 if (flags == 0) 347 return; 348 warnx("use pstat to view %s information", string); 349 return; 350 case KERN_PROC: 351 if (flags == 0) 352 return; 353 warnx("use ps to view %s information", string); 354 return; 355 case KERN_NTPTIME: 356 if (flags == 0) 357 return; 358 warnx("use xntpdc to view %s information", string); 359 return; 360 case KERN_CLOCKRATE: 361 special |= CLOCK; 362 break; 363 case KERN_BOOTTIME: 364 special |= BOOTTIME; 365 break; 366 case KERN_RND: 367 special |= RNDSTATS; 368 break; 369 case KERN_HOSTID: 370 case KERN_ARND: 371 special |= UNSIGNED; 372 break; 373 } 374 break; 375 376 case CTL_HW: 377 break; 378 379 case CTL_VM: 380 if (mib[1] == VM_LOADAVG) { 381 double loads[3]; 382 383 getloadavg(loads, 3); 384 if (!nflag) 385 (void)printf("%s = ", string); 386 (void)printf("%.2f %.2f %.2f\n", loads[0], 387 loads[1], loads[2]); 388 return; 389 } else if (mib[1] == VM_PSSTRINGS) { 390 struct _ps_strings _ps; 391 392 size = sizeof(_ps); 393 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 394 if (flags == 0) 395 return; 396 if (!nflag) 397 (void)printf("%s: ", string); 398 (void)puts("can't find ps strings"); 399 return; 400 } 401 if (!nflag) 402 (void)printf("%s = ", string); 403 (void)printf("%p\n", _ps.val); 404 return; 405 } 406#ifdef UVM 407 else if (mib[1] == VM_SWAPENCRYPT) { 408 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 409 if (len < 0) 410 return; 411 412 break; 413 } 414#endif 415 if (flags == 0) 416 return; 417 warnx("use vmstat or systat to view %s information", string); 418 return; 419 420 break; 421 422 case CTL_NET: 423 if (mib[1] == PF_INET) { 424 len = sysctl_inet(string, &bufp, mib, flags, &type); 425 if (len < 0) 426 return; 427 428 if ((mib[2] == IPPROTO_TCP && 429 mib[3] == TCPCTL_BADDYNAMIC) || 430 (mib[2] == IPPROTO_UDP && 431 mib[3] == UDPCTL_BADDYNAMIC)) { 432 433 special |= BADDYNAMIC; 434 435 if (newval != NULL) 436 parse_baddynamic(mib, len, string, 437 &newval, &newsize, flags, nflag); 438 } 439 break; 440 } 441#ifdef INET6 442 if (mib[1] == PF_INET6) { 443 len = sysctl_inet6(string, &bufp, mib, flags, &type); 444 if (len < 0) 445 return; 446 447 break; 448 } 449#endif 450 if (mib[1] == PF_IPX) { 451 len = sysctl_ipx(string, &bufp, mib, flags, &type); 452 if (len >= 0) 453 break; 454 return; 455 } 456 if (flags == 0) 457 return; 458 warnx("use netstat to view %s information", string); 459 return; 460 461 case CTL_DEBUG: 462 mib[2] = CTL_DEBUG_VALUE; 463 len = 3; 464 break; 465 466 case CTL_MACHDEP: 467#ifdef CPU_CONSDEV 468 if (mib[1] == CPU_CONSDEV) 469 special |= CHRDEV; 470#endif 471#ifdef CPU_BLK2CHR 472 if (mib[1] == CPU_BLK2CHR) { 473 if (bufp == NULL) 474 return; 475 mib[2] = makedev(atoi(bufp),0); 476 bufp = NULL; 477 len = 3; 478 special |= CHRDEV; 479 break; 480 } 481#endif 482#ifdef CPU_CHR2BLK 483 if (mib[1] == CPU_CHR2BLK) { 484 if (bufp == NULL) 485 return; 486 mib[2] = makedev(atoi(bufp),0); 487 bufp = NULL; 488 len = 3; 489 special |= BLKDEV; 490 break; 491 } 492#endif 493#ifdef CPU_BIOS 494 if (mib[1] == CPU_BIOS) { 495 len = sysctl_bios(string, &bufp, mib, flags, &type); 496 if (len < 0) 497 return; 498 if (mib[2] == BIOS_DEV) 499 special |= BIOSDEV; 500 if (mib[2] == BIOS_DISKINFO) 501 special |= BIOSGEO; 502 break; 503 } 504#endif 505 break; 506 507 case CTL_FS: 508 len = sysctl_fs(string, &bufp, mib, flags, &type); 509 if (len >= 0) 510 break; 511 return; 512 513 case CTL_VFS: 514 if (mib[1]) 515 len = sysctl_vfs(string, &bufp, mib, flags, &type); 516 else 517 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 518 if (len >= 0) { 519 if (type == CTLTYPE_STRUCT) { 520 if (flags) 521 warnx("use nfsstat to view %s information", 522 MOUNT_NFS); 523 return; 524 } else 525 break; 526 } 527 return; 528 529 case CTL_USER: 530 case CTL_DDB: 531 break; 532 533 default: 534 warnx("illegal top level value: %d", mib[0]); 535 return; 536 537 } 538 if (bufp) { 539 warnx("name %s in %s is unknown", bufp, string); 540 return; 541 } 542 if (newsize > 0) { 543 switch (type) { 544 case CTLTYPE_INT: 545 errno = 0; 546 if (special & UNSIGNED) 547 intval = strtoul(newval, &cp, 10); 548 else 549 intval = strtol(newval, &cp, 10); 550 if (*cp != '\0') { 551 warnx("%s: illegal value: %s", string, 552 (char *)newval); 553 return; 554 } 555 if (errno == ERANGE) { 556 warnx("%s: value %s out of range", string, 557 (char *)newval); 558 return; 559 } 560 newval = &intval; 561 newsize = sizeof(intval); 562 break; 563 564 case CTLTYPE_QUAD: 565 (void)sscanf(newval, "%qd", &quadval); 566 newval = &quadval; 567 newsize = sizeof(quadval); 568 break; 569 } 570 } 571 size = BUFSIZ; 572 if (sysctl(mib, len, buf, &size, newsize ? newval : 0, newsize) == -1) { 573 if (flags == 0) 574 return; 575 switch (errno) { 576 case EOPNOTSUPP: 577 warnx("%s: value is not available", string); 578 return; 579 case ENOTDIR: 580 warnx("%s: specification is incomplete", string); 581 return; 582 case ENOMEM: 583 warnx("%s: type is unknown to this program", string); 584 return; 585 case ENXIO: 586 if (special & BIOSGEO) 587 return; 588 default: 589 warn("%s", string); 590 return; 591 } 592 } 593 if (special & KMEMBUCKETS) { 594 struct kmembuckets *kb = (struct kmembuckets *)buf; 595 if (!nflag) 596 (void)printf("%s = ", string); 597 (void)printf("calls = %qu, total_allocated = %qu, total_free = %qu, elements = %qu, high_watermark = %qu, could_free = %qu\n", kb->kb_calls, kb->kb_total, kb->kb_totalfree, kb->kb_elmpercl, kb->kb_highwat, kb->kb_couldfree); 598 return; 599 } 600 if (special & CLOCK) { 601 struct clockinfo *clkp = (struct clockinfo *)buf; 602 603 if (!nflag) 604 (void)printf("%s = ", string); 605 (void)printf( 606 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 607 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 608 return; 609 } 610 if (special & BOOTTIME) { 611 struct timeval *btp = (struct timeval *)buf; 612 time_t boottime; 613 614 if (!nflag) { 615 boottime = btp->tv_sec; 616 (void)printf("%s = %s", string, ctime(&boottime)); 617 } else 618 (void)printf("%ld\n", btp->tv_sec); 619 return; 620 } 621 if (special & BLKDEV) { 622 dev_t dev = *(dev_t *)buf; 623 624 if (!nflag) 625 (void)printf("%s = %s\n", string, 626 devname(dev, S_IFBLK)); 627 else 628 (void)printf("0x%x\n", dev); 629 return; 630 } 631 if (special & CHRDEV) { 632 dev_t dev = *(dev_t *)buf; 633 634 if (!nflag) 635 (void)printf("%s = %s\n", string, 636 devname(dev, S_IFCHR)); 637 else 638 (void)printf("0x%x\n", dev); 639 return; 640 } 641#ifdef CPU_BIOS 642 if (special & BIOSGEO) { 643 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 644 645 if (!nflag) 646 (void)printf("%s = ", string); 647 (void)printf("bootdev = 0x%x, " 648 "cylinders = %u, heads = %u, sectors = %u\n", 649 pdi->bsd_dev, pdi->bios_cylinders, pdi->bios_heads, 650 pdi->bios_sectors); 651 return; 652 } 653 if (special & BIOSDEV) { 654 int dev = *(int*)buf; 655 656 if (!nflag) 657 (void)printf("%s = ", string); 658 (void) printf("0x%02x\n", dev); 659 return; 660 } 661#endif 662 if (special & UNSIGNED) { 663 if (newsize == 0) { 664 if (!nflag) 665 (void)printf("%s = ", string); 666 (void)printf("%u\n", *(u_int *)buf); 667 } else { 668 if (!nflag) 669 (void)printf("%s: %u -> ", string, 670 *(u_int *)buf); 671 (void)printf("%u\n", *(u_int *)newval); 672 } 673 return; 674 } 675 if (special & RNDSTATS) { 676 struct rndstats *rndstats = (struct rndstats *)buf; 677 int i; 678 679 if (!nflag) 680 (void)printf("%s = ", string); 681 (void)printf( 682 "%qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu", 683 rndstats->rnd_total, 684 rndstats->rnd_used, rndstats->rnd_reads, 685 rndstats->arc4_reads, rndstats->arc4_nstirs, 686 rndstats->arc4_stirs, 687 rndstats->rnd_pad[0], 688 rndstats->rnd_pad[1], 689 rndstats->rnd_pad[2], 690 rndstats->rnd_pad[3], 691 rndstats->rnd_pad[4], 692 rndstats->rnd_waits, 693 rndstats->rnd_enqs, rndstats->rnd_deqs, 694 rndstats->rnd_drops, rndstats->rnd_drople); 695 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 696 (void)printf(" %qu", rndstats->rnd_ed[i]); 697 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 698 (void)printf(" %qu", rndstats->rnd_sc[i]); 699 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 700 (void)printf(" %qu", rndstats->rnd_sb[i]); 701 printf("\n"); 702 return; 703 } 704 if (special & BADDYNAMIC) { 705 in_port_t port, lastport; 706 u_int32_t *baddynamic = (u_int32_t *)buf; 707 708 if (!nflag) 709 (void)printf("%s%s", string, newsize ? ": " : " = "); 710 lastport = 0; 711 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 712 if (DP_ISSET(baddynamic, port)) { 713 (void)printf("%s%hd", lastport ? "," : "", 714 port); 715 lastport = port; 716 } 717 if (newsize != 0) { 718 if (!nflag) 719 fputs(" -> ", stdout); 720 baddynamic = (u_int32_t *)newval; 721 lastport = 0; 722 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 723 port++) 724 if (DP_ISSET(baddynamic, port)) { 725 (void)printf("%s%hd", 726 lastport ? "," : "", port); 727 lastport = port; 728 } 729 } 730 (void)putchar('\n'); 731 return; 732 } 733 switch (type) { 734 case CTLTYPE_INT: 735 if (newsize == 0) { 736 if (!nflag) 737 (void)printf("%s = ", string); 738 (void)printf("%d\n", *(int *)buf); 739 } else { 740 if (!nflag) 741 (void)printf("%s: %d -> ", string, 742 *(int *)buf); 743 (void)printf("%d\n", *(int *)newval); 744 } 745 return; 746 747 case CTLTYPE_STRING: 748 if (newsize == 0) { 749 if (!nflag) 750 (void)printf("%s = ", string); 751 (void)puts(buf); 752 } else { 753 if (!nflag) 754 (void)printf("%s: %s -> ", string, buf); 755 (void)puts((char *)newval); 756 } 757 return; 758 759 case CTLTYPE_QUAD: 760 if (newsize == 0) { 761 if (!nflag) 762 (void)printf("%s = ", string); 763 (void)printf("%qd\n", *(quad_t *)buf); 764 } else { 765 if (!nflag) 766 (void)printf("%s: %qd -> ", string, 767 *(quad_t *)buf); 768 (void)printf("%qd\n", *(quad_t *)newval); 769 } 770 return; 771 772 case CTLTYPE_STRUCT: 773 warnx("%s: unknown structure returned", string); 774 return; 775 776 default: 777 case CTLTYPE_NODE: 778 warnx("%s: unknown type returned", string); 779 return; 780 } 781} 782 783void 784parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 785 int mib[]; 786 size_t len; 787 char *string; 788 void **newvalp; 789 size_t *newsizep; 790 int flags; 791 int nflag; 792{ 793 static u_int32_t newbaddynamic[DP_MAPSIZE]; 794 in_port_t port; 795 size_t size; 796 char action, *cp; 797 798 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 799 size = sizeof(newbaddynamic); 800 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 801 if (flags == 0) 802 return; 803 if (!nflag) 804 (void)printf("%s: ", string); 805 (void)puts("kernel does contain bad dynamic port tables"); 806 return; 807 } 808 809 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 810 if (*cp != '+' && *cp != '-') 811 errx(1, "cannot mix +/- with full list"); 812 action = *cp++; 813 port = atoi(cp); 814 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 815 errx(1, "invalid port, range is %d to %d", 816 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 817 if (action == '+') 818 DP_SET(newbaddynamic, port); 819 else 820 DP_CLR(newbaddynamic, port); 821 } 822 } else { 823 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 824 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 825 port = atoi(cp); 826 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 827 errx(1, "invalid port, range is %d to %d", 828 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 829 DP_SET(newbaddynamic, port); 830 } 831 } 832 833 *newvalp = (void *)newbaddynamic; 834 *newsizep = sizeof(newbaddynamic); 835} 836 837/* 838 * Initialize the set of debugging names 839 */ 840void 841debuginit() 842{ 843 int mib[3], loc, i; 844 size_t size; 845 846 if (secondlevel[CTL_DEBUG].list != 0) 847 return; 848 secondlevel[CTL_DEBUG].list = debugname; 849 mib[0] = CTL_DEBUG; 850 mib[2] = CTL_DEBUG_NAME; 851 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 852 mib[1] = i; 853 size = BUFSIZ - loc; 854 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 855 continue; 856 debugname[i].ctl_name = &names[loc]; 857 debugname[i].ctl_type = CTLTYPE_INT; 858 loc += size; 859 } 860 lastused = loc; 861} 862 863struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 864struct ctlname ffsname[] = FFS_NAMES; 865struct ctlname nfsname[] = FS_NFS_NAMES; 866struct list *vfsvars; 867int *vfs_typenums; 868 869/* 870 * Initialize the set of filesystem names 871 */ 872void 873vfsinit() 874{ 875 int mib[4], maxtypenum, cnt, loc, size; 876 struct vfsconf vfc; 877 size_t buflen; 878 879 if (secondlevel[CTL_VFS].list != 0) 880 return; 881 mib[0] = CTL_VFS; 882 mib[1] = VFS_GENERIC; 883 mib[2] = VFS_MAXTYPENUM; 884 buflen = 4; 885 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 886 return; 887 maxtypenum++; /* + generic */ 888 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 889 return; 890 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 891 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 892 free(vfs_typenums); 893 return; 894 } 895 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 896 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 897 free(vfs_typenums); 898 free(vfsvars); 899 return; 900 } 901 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 902 mib[2] = VFS_CONF; 903 buflen = sizeof vfc; 904 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 905 mib[3] = cnt - 1; 906 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 907 if (errno == EOPNOTSUPP) 908 continue; 909 warn("vfsinit"); 910 free(vfsname); 911 return; 912 } 913 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 914 vfsvars[cnt].list = ffsname; 915 vfsvars[cnt].size = FFS_MAXID; 916 } 917 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 918 vfsvars[cnt].list = nfsname; 919 vfsvars[cnt].size = NFS_MAXID; 920 } 921 vfs_typenums[cnt] = vfc.vfc_typenum; 922 strcat(&names[loc], vfc.vfc_name); 923 vfsname[cnt].ctl_name = &names[loc]; 924 vfsname[cnt].ctl_type = CTLTYPE_NODE; 925 size = strlen(vfc.vfc_name) + 1; 926 loc += size; 927 } 928 lastused = loc; 929 930 vfsname[0].ctl_name = "mounts"; 931 vfsname[0].ctl_type = CTLTYPE_NODE; 932 vfsvars[0].list = vfsname + 1; 933 vfsvars[0].size = maxtypenum - 1; 934 935 secondlevel[CTL_VFS].list = vfsname; 936 secondlevel[CTL_VFS].size = maxtypenum; 937 return; 938} 939 940int 941sysctl_vfsgen(string, bufpp, mib, flags, typep) 942 char *string; 943 char **bufpp; 944 int mib[]; 945 int flags; 946 int *typep; 947{ 948 int indx; 949 size_t size; 950 struct vfsconf vfc; 951 952 if (*bufpp == NULL) { 953 listall(string, vfsvars); 954 return (-1); 955 } 956 957 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 958 return (-1); 959 960 mib[1] = VFS_GENERIC; 961 mib[2] = VFS_CONF; 962 mib[3] = indx; 963 size = sizeof vfc; 964 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 965 if (errno != EOPNOTSUPP) 966 warn("vfs print"); 967 return -1; 968 } 969 if (flags == 0 && vfc.vfc_refcount == 0) 970 return -1; 971 if (!nflag) 972 fprintf(stdout, "%s has %d mounted instance%s\n", 973 string, vfc.vfc_refcount, 974 vfc.vfc_refcount != 1 ? "s" : ""); 975 else 976 fprintf(stdout, "%d\n", vfc.vfc_refcount); 977 978 return -1; 979} 980 981int 982sysctl_vfs(string, bufpp, mib, flags, typep) 983 char *string; 984 char **bufpp; 985 int mib[]; 986 int flags; 987 int *typep; 988{ 989 struct list *lp = &vfsvars[mib[1]]; 990 int indx; 991 992 if (lp->list == NULL) { 993 if (flags) 994 warnx("No variables defined for file system %s", string); 995 return(-1); 996 } 997 if (*bufpp == NULL) { 998 listall(string, lp); 999 return (-1); 1000 } 1001 if ((indx = findname(string, "third", bufpp, lp)) == -1) 1002 return (-1); 1003 1004 mib[1] = vfs_typenums[mib[1]]; 1005 mib[2] = indx; 1006 *typep = lp->list[indx].ctl_type; 1007 return (3); 1008} 1009 1010struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1011struct list fslist = { posixname, FS_POSIX_MAXID }; 1012 1013/* 1014 * handle file system requests 1015 */ 1016int 1017sysctl_fs(string, bufpp, mib, flags, typep) 1018 char *string; 1019 char **bufpp; 1020 int mib[]; 1021 int flags; 1022 int *typep; 1023{ 1024 int indx; 1025 1026 if (*bufpp == NULL) { 1027 listall(string, &fslist); 1028 return(-1); 1029 } 1030 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1031 return(-1); 1032 mib[2] = indx; 1033 *typep = fslist.list[indx].ctl_type; 1034 return(3); 1035} 1036 1037#ifdef CPU_BIOS 1038struct ctlname biosname[] = CTL_BIOS_NAMES; 1039struct list bioslist = { biosname, BIOS_MAXID }; 1040 1041/* 1042 * handle BIOS requests 1043 */ 1044int 1045sysctl_bios(string, bufpp, mib, flags, typep) 1046 char *string; 1047 char **bufpp; 1048 int mib[]; 1049 int flags; 1050 int *typep; 1051{ 1052 char *name; 1053 int indx; 1054 1055 if (*bufpp == NULL) { 1056 listall(string, &bioslist); 1057 return(-1); 1058 } 1059 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1060 return(-1); 1061 mib[2] = indx; 1062 if (indx == BIOS_DISKINFO) { 1063 if (*bufpp == NULL) { 1064 char name[BUFSIZ]; 1065 1066 /* scan all the bios devices */ 1067 for (indx = 0; indx < 256; indx++) { 1068 snprintf(name, sizeof(name), "%s.%u", 1069 string, indx); 1070 parse(name, 1); 1071 } 1072 return(-1); 1073 } 1074 if ((name = strsep(bufpp, ".")) == NULL) { 1075 warnx("%s: incomplete specification", string); 1076 return(-1); 1077 } 1078 mib[3] = atoi(name); 1079 *typep = CTLTYPE_STRUCT; 1080 return(4); 1081 } else { 1082 *typep = bioslist.list[indx].ctl_type; 1083 return(3); 1084 } 1085} 1086#endif 1087 1088#ifdef UVM 1089struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1090struct list swpenclist = { swpencname, SWPENC_MAXID }; 1091 1092/* 1093 * handle swap encrypt requests 1094 */ 1095int 1096sysctl_swpenc(string, bufpp, mib, flags, typep) 1097 char *string; 1098 char **bufpp; 1099 int mib[]; 1100 int flags; 1101 int *typep; 1102{ 1103 char *name; 1104 int indx; 1105 1106 if (*bufpp == NULL) { 1107 listall(string, &swpenclist); 1108 return(-1); 1109 } 1110 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1111 return(-1); 1112 mib[2] = indx; 1113 *typep = swpenclist.list[indx].ctl_type; 1114 return(3); 1115} 1116#endif 1117 1118struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1119struct ctlname ipname[] = IPCTL_NAMES; 1120struct ctlname icmpname[] = ICMPCTL_NAMES; 1121struct ctlname ipipname[] = IPIPCTL_NAMES; 1122struct ctlname tcpname[] = TCPCTL_NAMES; 1123struct ctlname udpname[] = UDPCTL_NAMES; 1124struct ctlname espname[] = ESPCTL_NAMES; 1125struct ctlname ahname[] = AHCTL_NAMES; 1126struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1127struct ctlname grename[] = GRECTL_NAMES; 1128struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1129struct list inetlist = { inetname, IPPROTO_MAXID }; 1130struct list inetvars[] = { 1131 { ipname, IPCTL_MAXID }, /* ip */ 1132 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1133 { 0, 0 }, /* igmp */ 1134 { 0, 0 }, /* ggmp */ 1135 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1136 { 0, 0 }, 1137 { tcpname, TCPCTL_MAXID }, /* tcp */ 1138 { 0, 0 }, 1139 { 0, 0 }, /* egp */ 1140 { 0, 0 }, 1141 { 0, 0 }, 1142 { 0, 0 }, 1143 { 0, 0 }, /* pup */ 1144 { 0, 0 }, 1145 { 0, 0 }, 1146 { 0, 0 }, 1147 { 0, 0 }, 1148 { udpname, UDPCTL_MAXID }, /* udp */ 1149 { 0, 0 }, 1150 { 0, 0 }, 1151 { 0, 0 }, 1152 { 0, 0 }, 1153 { 0, 0 }, 1154 { 0, 0 }, 1155 { 0, 0 }, 1156 { 0, 0 }, 1157 { 0, 0 }, 1158 { 0, 0 }, 1159 { 0, 0 }, 1160 { 0, 0 }, 1161 { 0, 0 }, 1162 { 0, 0 }, 1163 { 0, 0 }, 1164 { 0, 0 }, 1165 { 0, 0 }, 1166 { 0, 0 }, 1167 { 0, 0 }, 1168 { 0, 0 }, 1169 { 0, 0 }, 1170 { 0, 0 }, 1171 { 0, 0 }, 1172 { 0, 0 }, 1173 { 0, 0 }, 1174 { 0, 0 }, 1175 { 0, 0 }, 1176 { 0, 0 }, 1177 { 0, 0 }, 1178 { grename, GRECTL_MAXID }, /* GRE */ 1179 { 0, 0 }, 1180 { 0, 0 }, 1181 { espname, ESPCTL_MAXID }, /* esp */ 1182 { ahname, AHCTL_MAXID }, /* ah */ 1183 { 0, 0 }, 1184 { 0, 0 }, 1185 { 0, 0 }, 1186 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 1187 { 0, 0 }, 1188 { 0, 0 }, 1189 { 0, 0 }, 1190 { 0, 0 }, 1191 { 0, 0 }, 1192 { 0, 0 }, 1193 { 0, 0 }, 1194 { 0, 0 }, 1195 { 0, 0 }, 1196 { 0, 0 }, 1197 { 0, 0 }, 1198 { 0, 0 }, 1199 { 0, 0 }, 1200 { 0, 0 }, 1201 { 0, 0 }, 1202 { 0, 0 }, 1203 { 0, 0 }, 1204 { 0, 0 }, 1205 { 0, 0 }, 1206 { 0, 0 }, 1207 { 0, 0 }, 1208 { 0, 0 }, 1209 { 0, 0 }, 1210 { 0, 0 }, 1211 { 0, 0 }, 1212 { 0, 0 }, 1213 { 0, 0 }, 1214 { 0, 0 }, 1215 { 0, 0 }, 1216 { 0, 0 }, 1217 { 0, 0 }, 1218 { 0, 0 }, 1219 { 0, 0 }, 1220 { 0, 0 }, 1221 { 0, 0 }, 1222 { 0, 0 }, 1223 { 0, 0 }, 1224 { 0, 0 }, 1225 { 0, 0 }, 1226 { 0, 0 }, 1227 { 0, 0 }, 1228 { etheripname, ETHERIPCTL_MAXID }, 1229}; 1230 1231struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1232struct list kernbucketlist = { kernbucketname, KERN_MALLOC_BUCKET_MAXID }; 1233 1234/* 1235 * handle malloc statistics 1236 */ 1237int 1238sysctl_malloc(string, bufpp, mib, flags, typep) 1239 char *string; 1240 char **bufpp; 1241 int mib[]; 1242 int flags; 1243 int *typep; 1244{ 1245 int indx, size, stor, i; 1246 char *name, bufp[BUFSIZ], *buf; 1247 struct list lp; 1248 1249 if (*bufpp == NULL) { 1250 listall(string, &kernmalloclist); 1251 return(-1); 1252 } 1253 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1254 return (-1); 1255 mib[2] = indx; 1256 if (mib[2] == KERN_MALLOC_BUCKET) { 1257 if ((name = strsep(bufpp, ".")) == NULL) { 1258 size = BUFSIZ; 1259 stor = mib[2]; 1260 mib[2] = KERN_MALLOC_BUCKETS; 1261 buf = bufp; 1262 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1263 return(-1); 1264 mib[2] = stor; 1265 for (stor = 0, i = 0; i < size; i++) 1266 if (buf[i] == ',') 1267 stor++; 1268 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1269 if (lp.list == NULL) 1270 return(-1); 1271 lp.size = stor + 2; 1272 for (i = 1; 1273 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1274 i++) { 1275 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1276 } 1277 lp.list[i].ctl_name = buf; 1278 lp.list[i].ctl_type = CTLTYPE_STRUCT; 1279 listall(string, &lp); 1280 free(lp.list); 1281 return(-1); 1282 } 1283 mib[3] = atoi(name); 1284 return(4); 1285 } else { 1286 *typep = CTLTYPE_STRING; 1287 return(3); 1288 } 1289} 1290 1291/* 1292 * handle internet requests 1293 */ 1294int 1295sysctl_inet(string, bufpp, mib, flags, typep) 1296 char *string; 1297 char **bufpp; 1298 int mib[]; 1299 int flags; 1300 int *typep; 1301{ 1302 struct list *lp; 1303 int indx; 1304 1305 if (*bufpp == NULL) { 1306 listall(string, &inetlist); 1307 return(-1); 1308 } 1309 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1310 return(-1); 1311 mib[2] = indx; 1312 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1313 lp = &inetvars[indx]; 1314 else if (!flags) 1315 return(-1); 1316 else { 1317 warnx("%s: no variables defined for this protocol", string); 1318 return(-1); 1319 } 1320 if (*bufpp == NULL) { 1321 listall(string, lp); 1322 return(-1); 1323 } 1324 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1325 return(-1); 1326 mib[3] = indx; 1327 *typep = lp->list[indx].ctl_type; 1328 return(4); 1329} 1330 1331#ifdef INET6 1332struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1333struct ctlname ip6name[] = IPV6CTL_NAMES; 1334struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1335struct ctlname pim6name[] = PIM6CTL_NAMES; 1336struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1337struct list inet6vars[] = { 1338/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1339 { 0, 0 }, 1340 { 0, 0 }, 1341 { 0, 0 }, 1342 { 0, 0 }, 1343 { 0, 0 }, 1344/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1345 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1346/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1347 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1348/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1349 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1350/*40*/ { 0, 0 }, 1351 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1352 { 0, 0 }, 1353 { 0, 0 }, 1354 { 0, 0 }, 1355 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1356/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1357 { 0, 0 }, 1358 { 0, 0 }, 1359 { 0, 0 }, 1360 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1361 { 0, 0 }, 1362/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1363 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1364/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1365 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1366/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1367 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1368/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1369 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1370/*100*/ { 0, 0 }, 1371 { 0, 0 }, 1372 { 0, 0 }, 1373 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1374}; 1375 1376/* 1377 * handle internet6 requests 1378 */ 1379int 1380sysctl_inet6(string, bufpp, mib, flags, typep) 1381 char *string; 1382 char **bufpp; 1383 int mib[]; 1384 int flags; 1385 int *typep; 1386{ 1387 struct list *lp; 1388 int indx; 1389 1390 if (*bufpp == NULL) { 1391 listall(string, &inet6list); 1392 return(-1); 1393 } 1394 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1395 return(-1); 1396 mib[2] = indx; 1397 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1398 lp = &inet6vars[indx]; 1399 else if (!flags) 1400 return(-1); 1401 else { 1402 warnx("%s: no variables defined for this protocol", string); 1403 return(-1); 1404 } 1405 if (*bufpp == NULL) { 1406 listall(string, lp); 1407 return(-1); 1408 } 1409 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1410 return(-1); 1411 mib[3] = indx; 1412 *typep = lp->list[indx].ctl_type; 1413 return(4); 1414} 1415#endif 1416 1417struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1418struct ctlname ipxpname[] = IPXCTL_NAMES; 1419struct ctlname spxpname[] = SPXCTL_NAMES; 1420struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1421struct list ipxvars[] = { 1422 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1423 { 0, 0 }, 1424 { 0, 0 }, 1425 { 0, 0 }, 1426 { 0, 0 }, 1427 { spxpname, SPXCTL_MAXID }, 1428}; 1429 1430/* 1431 * Handle internet requests 1432 */ 1433int 1434sysctl_ipx(string, bufpp, mib, flags, typep) 1435 char *string; 1436 char **bufpp; 1437 int mib[]; 1438 int flags; 1439 int *typep; 1440{ 1441 struct list *lp; 1442 int indx; 1443 1444 if (*bufpp == NULL) { 1445 listall(string, &ipxlist); 1446 return(-1); 1447 } 1448 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1449 return(-1); 1450 mib[2] = indx; 1451 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1452 lp = &ipxvars[indx]; 1453 else if (!flags) 1454 return(-1); 1455 else { 1456 warnx("%s: no variables defined for this protocol", string); 1457 return(-1); 1458 } 1459 if (*bufpp == NULL) { 1460 listall(string, lp); 1461 return(-1); 1462 } 1463 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1464 return(-1); 1465 mib[3] = indx; 1466 *typep = lp->list[indx].ctl_type; 1467 return(4); 1468} 1469 1470/* 1471 * Scan a list of names searching for a particular name. 1472 */ 1473int 1474findname(string, level, bufp, namelist) 1475 char *string; 1476 char *level; 1477 char **bufp; 1478 struct list *namelist; 1479{ 1480 char *name; 1481 int i; 1482 1483 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1484 warnx("%s: incomplete specification", string); 1485 return(-1); 1486 } 1487 for (i = 0; i < namelist->size; i++) 1488 if (namelist->list[i].ctl_name != NULL && 1489 strcmp(name, namelist->list[i].ctl_name) == 0) 1490 break; 1491 if (i == namelist->size) { 1492 warnx("%s level name %s in %s is invalid", level, name, string); 1493 return(-1); 1494 } 1495 return(i); 1496} 1497 1498void 1499usage() 1500{ 1501 1502 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1503 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1504 "sysctl [-n] -a", "sysctl [-n] -A"); 1505 exit(1); 1506} 1507