sysctl.c revision 1.56
1/* $OpenBSD: sysctl.c,v 1.56 2001/01/04 06:07:22 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 1.56 2001/01/04 06:07:22 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 173 174/* prototypes */ 175void debuginit __P((void)); 176void listall __P((char *, struct list *)); 177void parse __P((char *, int)); 178void parse_baddynamic __P((int *, size_t, char *, void **, size_t *, int, int)); 179void usage __P((void)); 180int findname __P((char *, char *, char **, struct list *)); 181int sysctl_inet __P((char *, char **, int *, int, int *)); 182#ifdef INET6 183int sysctl_inet6 __P((char *, char **, int *, int, int *)); 184#endif 185int sysctl_ipx __P((char *, char **, int *, int, int *)); 186int sysctl_fs __P((char *, char **, int *, int, int *)); 187static int sysctl_vfs __P((char *, char **, int[], int, int *)); 188static int sysctl_vfsgen __P((char *, char **, int[], int, int *)); 189int sysctl_bios __P((char *, char **, int *, int, int *)); 190int sysctl_swpenc __P((char *, char **, int *, int, int *)); 191void vfsinit __P((void)); 192 193int 194main(argc, argv) 195 int argc; 196 char *argv[]; 197{ 198 int ch, lvl1; 199 200 while ((ch = getopt(argc, argv, "Aanw")) != -1) { 201 switch (ch) { 202 203 case 'A': 204 Aflag = 1; 205 break; 206 207 case 'a': 208 aflag = 1; 209 break; 210 211 case 'n': 212 nflag = 1; 213 break; 214 215 case 'w': 216 wflag = 1; 217 break; 218 219 default: 220 usage(); 221 } 222 } 223 argc -= optind; 224 argv += optind; 225 226 if (argc == 0 && (Aflag || aflag)) { 227 debuginit(); 228 vfsinit(); 229 for (lvl1 = 1; lvl1 < CTL_MAXID; lvl1++) 230 listall(topname[lvl1].ctl_name, &secondlevel[lvl1]); 231 exit(0); 232 } 233 if (argc == 0) 234 usage(); 235 for (; *argv != NULL; ++argv) 236 parse(*argv, 1); 237 exit(0); 238} 239 240/* 241 * List all variables known to the system. 242 */ 243void 244listall(prefix, lp) 245 char *prefix; 246 struct list *lp; 247{ 248 int lvl2; 249 char *cp, name[BUFSIZ]; 250 251 if (lp->list == NULL) 252 return; 253 (void)strlcpy(name, prefix, BUFSIZ); 254 cp = &name[strlen(name)]; 255 *cp++ = '.'; 256 for (lvl2 = 0; lvl2 < lp->size; lvl2++) { 257 if (lp->list[lvl2].ctl_name == NULL) 258 continue; 259 (void)strcpy(cp, lp->list[lvl2].ctl_name); 260 parse(name, Aflag); 261 } 262} 263 264/* 265 * Parse a name into a MIB entry. 266 * Lookup and print out the MIB entry if it exists. 267 * Set a new value if requested. 268 */ 269void 270parse(string, flags) 271 char *string; 272 int flags; 273{ 274 int indx, type, state, intval, len; 275 size_t size, newsize = 0; 276 int special = 0; 277 void *newval = 0; 278 quad_t quadval; 279 struct list *lp; 280 int mib[CTL_MAXNAME]; 281 char *cp, *bufp, buf[BUFSIZ]; 282 283 (void)strlcpy(buf, string, sizeof(buf)); 284 bufp = buf; 285 if ((cp = strchr(string, '=')) != NULL) { 286 if (!wflag) 287 errx(2, "must specify -w to set variables"); 288 *strchr(buf, '=') = '\0'; 289 *cp++ = '\0'; 290 while (isspace(*cp)) 291 cp++; 292 newval = cp; 293 newsize = strlen(cp); 294 } 295 if ((indx = findname(string, "top", &bufp, &toplist)) == -1) 296 return; 297 mib[0] = indx; 298 if (indx == CTL_VFS) 299 vfsinit(); 300 if (indx == CTL_DEBUG) 301 debuginit(); 302 lp = &secondlevel[indx]; 303 if (lp->list == 0) { 304 warnx("%s: class is not implemented", topname[indx].ctl_name); 305 return; 306 } 307 if (bufp == NULL) { 308 listall(topname[indx].ctl_name, lp); 309 return; 310 } 311 if ((indx = findname(string, "second", &bufp, lp)) == -1) 312 return; 313 mib[1] = indx; 314 type = lp->list[indx].ctl_type; 315 len = 2; 316 switch (mib[0]) { 317 318 case CTL_KERN: 319 switch (mib[1]) { 320 case KERN_PROF: 321 mib[2] = GPROF_STATE; 322 size = sizeof(state); 323 if (sysctl(mib, 3, &state, &size, NULL, 0) == -1) { 324 if (flags == 0) 325 return; 326 if (!nflag) 327 (void)printf("%s: ", string); 328 (void)puts("kernel is not compiled for profiling"); 329 return; 330 } 331 if (!nflag) 332 (void)printf("%s = %s\n", string, 333 state == GMON_PROF_OFF ? "off" : "running"); 334 return; 335 case KERN_MALLOCSTATS: 336 len = sysctl_malloc(string, &bufp, mib, flags, &type); 337 if (len < 0) 338 return; 339 newsize = 0; 340 break; 341 case KERN_VNODE: 342 case KERN_FILE: 343 if (flags == 0) 344 return; 345 warnx("use pstat to view %s information", string); 346 return; 347 case KERN_PROC: 348 if (flags == 0) 349 return; 350 warnx("use ps to view %s information", string); 351 return; 352 case KERN_NTPTIME: 353 if (flags == 0) 354 return; 355 warnx("use xntpdc to view %s information", string); 356 return; 357 case KERN_CLOCKRATE: 358 special |= CLOCK; 359 break; 360 case KERN_BOOTTIME: 361 special |= BOOTTIME; 362 break; 363 case KERN_RND: 364 special |= RNDSTATS; 365 break; 366 case KERN_HOSTID: 367 case KERN_ARND: 368 special |= UNSIGNED; 369 break; 370 } 371 break; 372 373 case CTL_HW: 374 break; 375 376 case CTL_VM: 377 if (mib[1] == VM_LOADAVG) { 378 double loads[3]; 379 380 getloadavg(loads, 3); 381 if (!nflag) 382 (void)printf("%s = ", string); 383 (void)printf("%.2f %.2f %.2f\n", loads[0], 384 loads[1], loads[2]); 385 return; 386 } else if (mib[1] == VM_PSSTRINGS) { 387 struct _ps_strings _ps; 388 389 size = sizeof(_ps); 390 if (sysctl(mib, 2, &_ps, &size, NULL, 0) == -1) { 391 if (flags == 0) 392 return; 393 if (!nflag) 394 (void)printf("%s: ", string); 395 (void)puts("can't find ps strings"); 396 return; 397 } 398 if (!nflag) 399 (void)printf("%s = ", string); 400 (void)printf("%p\n", _ps.val); 401 return; 402 } 403#ifdef UVM 404 else if (mib[1] == VM_SWAPENCRYPT) { 405 len = sysctl_swpenc(string, &bufp, mib, flags, &type); 406 if (len < 0) 407 return; 408 409 break; 410 } 411#endif 412 if (flags == 0) 413 return; 414 warnx("use vmstat or systat to view %s information", string); 415 return; 416 417 break; 418 419 case CTL_NET: 420 if (mib[1] == PF_INET) { 421 len = sysctl_inet(string, &bufp, mib, flags, &type); 422 if (len < 0) 423 return; 424 425 if ((mib[2] == IPPROTO_TCP && 426 mib[3] == TCPCTL_BADDYNAMIC) || 427 (mib[2] == IPPROTO_UDP && 428 mib[3] == UDPCTL_BADDYNAMIC)) { 429 430 special |= BADDYNAMIC; 431 432 if (newval != NULL) 433 parse_baddynamic(mib, len, string, 434 &newval, &newsize, flags, nflag); 435 } 436 break; 437 } 438#ifdef INET6 439 if (mib[1] == PF_INET6) { 440 len = sysctl_inet6(string, &bufp, mib, flags, &type); 441 if (len < 0) 442 return; 443 444 break; 445 } 446#endif 447 if (mib[1] == PF_IPX) { 448 len = sysctl_ipx(string, &bufp, mib, flags, &type); 449 if (len >= 0) 450 break; 451 return; 452 } 453 if (flags == 0) 454 return; 455 warnx("use netstat to view %s information", string); 456 return; 457 458 case CTL_DEBUG: 459 mib[2] = CTL_DEBUG_VALUE; 460 len = 3; 461 break; 462 463 case CTL_MACHDEP: 464#ifdef CPU_CONSDEV 465 if (mib[1] == CPU_CONSDEV) 466 special |= CHRDEV; 467#endif 468#ifdef CPU_BLK2CHR 469 if (mib[1] == CPU_BLK2CHR) { 470 if (bufp == NULL) 471 return; 472 mib[2] = makedev(atoi(bufp),0); 473 bufp = NULL; 474 len = 3; 475 special |= CHRDEV; 476 break; 477 } 478#endif 479#ifdef CPU_CHR2BLK 480 if (mib[1] == CPU_CHR2BLK) { 481 if (bufp == NULL) 482 return; 483 mib[2] = makedev(atoi(bufp),0); 484 bufp = NULL; 485 len = 3; 486 special |= BLKDEV; 487 break; 488 } 489#endif 490#ifdef CPU_BIOS 491 if (mib[1] == CPU_BIOS) { 492 len = sysctl_bios(string, &bufp, mib, flags, &type); 493 if (len < 0) 494 return; 495 if (mib[2] == BIOS_DEV) 496 special |= BIOSDEV; 497 if (mib[2] == BIOS_DISKINFO) 498 special |= BIOSGEO; 499 break; 500 } 501#endif 502 break; 503 504 case CTL_FS: 505 len = sysctl_fs(string, &bufp, mib, flags, &type); 506 if (len >= 0) 507 break; 508 return; 509 510 case CTL_VFS: 511 if (mib[1]) 512 len = sysctl_vfs(string, &bufp, mib, flags, &type); 513 else 514 len = sysctl_vfsgen(string, &bufp, mib, flags, &type); 515 if (len >= 0) { 516 if (type == CTLTYPE_STRUCT) { 517 if (flags) 518 warnx("use nfsstat to view %s information", 519 MOUNT_NFS); 520 return; 521 } else 522 break; 523 } 524 return; 525 526 case CTL_USER: 527 case CTL_DDB: 528 break; 529 530 default: 531 warnx("illegal top level value: %d", mib[0]); 532 return; 533 534 } 535 if (bufp) { 536 warnx("name %s in %s is unknown", bufp, string); 537 return; 538 } 539 if (newsize > 0) { 540 switch (type) { 541 case CTLTYPE_INT: 542 errno = 0; 543 if (special & UNSIGNED) 544 intval = strtoul(newval, &cp, 10); 545 else 546 intval = strtol(newval, &cp, 10); 547 if (*cp != '\0') { 548 warnx("%s: illegal value: %s", string, 549 (char *)newval); 550 return; 551 } 552 if (errno == ERANGE) { 553 warnx("%s: value %s out of range", string, 554 (char *)newval); 555 return; 556 } 557 newval = &intval; 558 newsize = sizeof(intval); 559 break; 560 561 case CTLTYPE_QUAD: 562 (void)sscanf(newval, "%qd", &quadval); 563 newval = &quadval; 564 newsize = sizeof(quadval); 565 break; 566 } 567 } 568 size = BUFSIZ; 569 if (sysctl(mib, len, buf, &size, newsize ? newval : 0, newsize) == -1) { 570 if (flags == 0) 571 return; 572 switch (errno) { 573 case EOPNOTSUPP: 574 warnx("%s: value is not available", string); 575 return; 576 case ENOTDIR: 577 warnx("%s: specification is incomplete", string); 578 return; 579 case ENOMEM: 580 warnx("%s: type is unknown to this program", string); 581 return; 582 case ENXIO: 583 if (special & BIOSGEO) 584 return; 585 default: 586 warn("%s", string); 587 return; 588 } 589 } 590 if (special & CLOCK) { 591 struct clockinfo *clkp = (struct clockinfo *)buf; 592 593 if (!nflag) 594 (void)printf("%s = ", string); 595 (void)printf( 596 "tick = %d, tickadj = %d, hz = %d, profhz = %d, stathz = %d\n", 597 clkp->tick, clkp->tickadj, clkp->hz, clkp->profhz, clkp->stathz); 598 return; 599 } 600 if (special & BOOTTIME) { 601 struct timeval *btp = (struct timeval *)buf; 602 time_t boottime; 603 604 if (!nflag) { 605 boottime = btp->tv_sec; 606 (void)printf("%s = %s", string, ctime(&boottime)); 607 } else 608 (void)printf("%ld\n", btp->tv_sec); 609 return; 610 } 611 if (special & BLKDEV) { 612 dev_t dev = *(dev_t *)buf; 613 614 if (!nflag) 615 (void)printf("%s = %s\n", string, 616 devname(dev, S_IFBLK)); 617 else 618 (void)printf("0x%x\n", dev); 619 return; 620 } 621 if (special & CHRDEV) { 622 dev_t dev = *(dev_t *)buf; 623 624 if (!nflag) 625 (void)printf("%s = %s\n", string, 626 devname(dev, S_IFCHR)); 627 else 628 (void)printf("0x%x\n", dev); 629 return; 630 } 631#ifdef CPU_BIOS 632 if (special & BIOSGEO) { 633 bios_diskinfo_t *pdi = (bios_diskinfo_t *)buf; 634 635 if (!nflag) 636 (void)printf("%s = ", string); 637 (void)printf("bootdev = 0x%x, " 638 "cylinders = %u, heads = %u, sectors = %u\n", 639 pdi->bsd_dev, pdi->bios_cylinders, pdi->bios_heads, 640 pdi->bios_sectors); 641 return; 642 } 643 if (special & BIOSDEV) { 644 int dev = *(int*)buf; 645 646 if (!nflag) 647 (void)printf("%s = ", string); 648 (void) printf("0x%02x\n", dev); 649 return; 650 } 651#endif 652 if (special & UNSIGNED) { 653 if (newsize == 0) { 654 if (!nflag) 655 (void)printf("%s = ", string); 656 (void)printf("%u\n", *(u_int *)buf); 657 } else { 658 if (!nflag) 659 (void)printf("%s: %u -> ", string, 660 *(u_int *)buf); 661 (void)printf("%u\n", *(u_int *)newval); 662 } 663 return; 664 } 665 if (special & RNDSTATS) { 666 struct rndstats *rndstats = (struct rndstats *)buf; 667 int i; 668 669 if (!nflag) 670 (void)printf("%s = ", string); 671 (void)printf( 672 "%qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu %qu", 673 rndstats->rnd_total, 674 rndstats->rnd_used, rndstats->rnd_reads, 675 rndstats->arc4_reads, rndstats->arc4_nstirs, 676 rndstats->arc4_stirs, 677 rndstats->rnd_pad[0], 678 rndstats->rnd_pad[1], 679 rndstats->rnd_pad[2], 680 rndstats->rnd_pad[3], 681 rndstats->rnd_pad[4], 682 rndstats->rnd_waits, 683 rndstats->rnd_enqs, rndstats->rnd_deqs, 684 rndstats->rnd_drops, rndstats->rnd_drople); 685 for (i = 0; i < sizeof(rndstats->rnd_ed)/sizeof(rndstats->rnd_ed[0]); i++) 686 (void)printf(" %qu", rndstats->rnd_ed[i]); 687 for (i = 0; i < sizeof(rndstats->rnd_sc)/sizeof(rndstats->rnd_sc[0]); i++) 688 (void)printf(" %qu", rndstats->rnd_sc[i]); 689 for (i = 0; i < sizeof(rndstats->rnd_sb)/sizeof(rndstats->rnd_sb[0]); i++) 690 (void)printf(" %qu", rndstats->rnd_sb[i]); 691 printf("\n"); 692 return; 693 } 694 if (special & BADDYNAMIC) { 695 in_port_t port, lastport; 696 u_int32_t *baddynamic = (u_int32_t *)buf; 697 698 if (!nflag) 699 (void)printf("%s%s", string, newsize ? ": " : " = "); 700 lastport = 0; 701 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; port++) 702 if (DP_ISSET(baddynamic, port)) { 703 (void)printf("%s%hd", lastport ? "," : "", 704 port); 705 lastport = port; 706 } 707 if (newsize != 0) { 708 if (!nflag) 709 fputs(" -> ", stdout); 710 baddynamic = (u_int32_t *)newval; 711 lastport = 0; 712 for (port = IPPORT_RESERVED/2; port < IPPORT_RESERVED; 713 port++) 714 if (DP_ISSET(baddynamic, port)) { 715 (void)printf("%s%hd", 716 lastport ? "," : "", port); 717 lastport = port; 718 } 719 } 720 (void)putchar('\n'); 721 return; 722 } 723 switch (type) { 724 case CTLTYPE_INT: 725 if (newsize == 0) { 726 if (!nflag) 727 (void)printf("%s = ", string); 728 (void)printf("%d\n", *(int *)buf); 729 } else { 730 if (!nflag) 731 (void)printf("%s: %d -> ", string, 732 *(int *)buf); 733 (void)printf("%d\n", *(int *)newval); 734 } 735 return; 736 737 case CTLTYPE_STRING: 738 if (newsize == 0) { 739 if (!nflag) 740 (void)printf("%s = ", string); 741 (void)puts(buf); 742 } else { 743 if (!nflag) 744 (void)printf("%s: %s -> ", string, buf); 745 (void)puts((char *)newval); 746 } 747 return; 748 749 case CTLTYPE_QUAD: 750 if (newsize == 0) { 751 if (!nflag) 752 (void)printf("%s = ", string); 753 (void)printf("%qd\n", *(quad_t *)buf); 754 } else { 755 if (!nflag) 756 (void)printf("%s: %qd -> ", string, 757 *(quad_t *)buf); 758 (void)printf("%qd\n", *(quad_t *)newval); 759 } 760 return; 761 762 case CTLTYPE_STRUCT: 763 warnx("%s: unknown structure returned", string); 764 return; 765 766 default: 767 case CTLTYPE_NODE: 768 warnx("%s: unknown type returned", string); 769 return; 770 } 771} 772 773void 774parse_baddynamic(mib, len, string, newvalp, newsizep, flags, nflag) 775 int mib[]; 776 size_t len; 777 char *string; 778 void **newvalp; 779 size_t *newsizep; 780 int flags; 781 int nflag; 782{ 783 static u_int32_t newbaddynamic[DP_MAPSIZE]; 784 in_port_t port; 785 size_t size; 786 char action, *cp; 787 788 if (strchr((char *)*newvalp, '+') || strchr((char *)*newvalp, '-')) { 789 size = sizeof(newbaddynamic); 790 if (sysctl(mib, len, newbaddynamic, &size, 0, 0) == -1) { 791 if (flags == 0) 792 return; 793 if (!nflag) 794 (void)printf("%s: ", string); 795 (void)puts("kernel does contain bad dynamic port tables"); 796 return; 797 } 798 799 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 800 if (*cp != '+' && *cp != '-') 801 errx(1, "cannot mix +/- with full list"); 802 action = *cp++; 803 port = atoi(cp); 804 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 805 errx(1, "invalid port, range is %d to %d", 806 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 807 if (action == '+') 808 DP_SET(newbaddynamic, port); 809 else 810 DP_CLR(newbaddynamic, port); 811 } 812 } else { 813 (void)memset((void *)newbaddynamic, 0, sizeof(newbaddynamic)); 814 while (*newvalp && (cp = strsep((char **)newvalp, ", \t")) && *cp) { 815 port = atoi(cp); 816 if (port < IPPORT_RESERVED/2 || port >= IPPORT_RESERVED) 817 errx(1, "invalid port, range is %d to %d", 818 IPPORT_RESERVED/2, IPPORT_RESERVED-1); 819 DP_SET(newbaddynamic, port); 820 } 821 } 822 823 *newvalp = (void *)newbaddynamic; 824 *newsizep = sizeof(newbaddynamic); 825} 826 827/* 828 * Initialize the set of debugging names 829 */ 830void 831debuginit() 832{ 833 int mib[3], loc, i; 834 size_t size; 835 836 if (secondlevel[CTL_DEBUG].list != 0) 837 return; 838 secondlevel[CTL_DEBUG].list = debugname; 839 mib[0] = CTL_DEBUG; 840 mib[2] = CTL_DEBUG_NAME; 841 for (loc = lastused, i = 0; i < CTL_DEBUG_MAXID; i++) { 842 mib[1] = i; 843 size = BUFSIZ - loc; 844 if (sysctl(mib, 3, &names[loc], &size, NULL, 0) == -1) 845 continue; 846 debugname[i].ctl_name = &names[loc]; 847 debugname[i].ctl_type = CTLTYPE_INT; 848 loc += size; 849 } 850 lastused = loc; 851} 852 853struct ctlname vfsgennames[] = CTL_VFSGENCTL_NAMES; 854struct ctlname ffsname[] = FFS_NAMES; 855struct ctlname nfsname[] = FS_NFS_NAMES; 856struct list *vfsvars; 857int *vfs_typenums; 858 859/* 860 * Initialize the set of filesystem names 861 */ 862void 863vfsinit() 864{ 865 int mib[4], maxtypenum, cnt, loc, size; 866 struct vfsconf vfc; 867 size_t buflen; 868 869 if (secondlevel[CTL_VFS].list != 0) 870 return; 871 mib[0] = CTL_VFS; 872 mib[1] = VFS_GENERIC; 873 mib[2] = VFS_MAXTYPENUM; 874 buflen = 4; 875 if (sysctl(mib, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0) 876 return; 877 maxtypenum++; /* + generic */ 878 if ((vfs_typenums = malloc(maxtypenum * sizeof(int))) == NULL) 879 return; 880 memset(vfs_typenums, 0, maxtypenum * sizeof(int)); 881 if ((vfsvars = malloc(maxtypenum * sizeof(*vfsvars))) == NULL) { 882 free(vfs_typenums); 883 return; 884 } 885 memset(vfsvars, 0, maxtypenum * sizeof(*vfsvars)); 886 if ((vfsname = malloc(maxtypenum * sizeof(*vfsname))) == NULL) { 887 free(vfs_typenums); 888 free(vfsvars); 889 return; 890 } 891 memset(vfsname, 0, maxtypenum * sizeof(*vfsname)); 892 mib[2] = VFS_CONF; 893 buflen = sizeof vfc; 894 for (loc = lastused, cnt = 1; cnt < maxtypenum; cnt++) { 895 mib[3] = cnt - 1; 896 if (sysctl(mib, 4, &vfc, &buflen, (void *)0, (size_t)0) < 0) { 897 if (errno == EOPNOTSUPP) 898 continue; 899 warn("vfsinit"); 900 free(vfsname); 901 return; 902 } 903 if (!strcmp(vfc.vfc_name, MOUNT_FFS)) { 904 vfsvars[cnt].list = ffsname; 905 vfsvars[cnt].size = FFS_MAXID; 906 } 907 if (!strcmp(vfc.vfc_name, MOUNT_NFS)) { 908 vfsvars[cnt].list = nfsname; 909 vfsvars[cnt].size = NFS_MAXID; 910 } 911 vfs_typenums[cnt] = vfc.vfc_typenum; 912 strcat(&names[loc], vfc.vfc_name); 913 vfsname[cnt].ctl_name = &names[loc]; 914 vfsname[cnt].ctl_type = CTLTYPE_NODE; 915 size = strlen(vfc.vfc_name) + 1; 916 loc += size; 917 } 918 lastused = loc; 919 920 vfsname[0].ctl_name = "mounts"; 921 vfsname[0].ctl_type = CTLTYPE_NODE; 922 vfsvars[0].list = vfsname + 1; 923 vfsvars[0].size = maxtypenum - 1; 924 925 secondlevel[CTL_VFS].list = vfsname; 926 secondlevel[CTL_VFS].size = maxtypenum; 927 return; 928} 929 930int 931sysctl_vfsgen(string, bufpp, mib, flags, typep) 932 char *string; 933 char **bufpp; 934 int mib[]; 935 int flags; 936 int *typep; 937{ 938 int indx; 939 size_t size; 940 struct vfsconf vfc; 941 942 if (*bufpp == NULL) { 943 listall(string, vfsvars); 944 return (-1); 945 } 946 947 if ((indx = findname(string, "third", bufpp, vfsvars)) == -1) 948 return (-1); 949 950 mib[1] = VFS_GENERIC; 951 mib[2] = VFS_CONF; 952 mib[3] = indx; 953 size = sizeof vfc; 954 if (sysctl(mib, 4, &vfc, &size, (void *)0, (size_t)0) < 0) { 955 if (errno != EOPNOTSUPP) 956 warn("vfs print"); 957 return -1; 958 } 959 if (flags == 0 && vfc.vfc_refcount == 0) 960 return -1; 961 if (!nflag) 962 fprintf(stdout, "%s has %d mounted instance%s\n", 963 string, vfc.vfc_refcount, 964 vfc.vfc_refcount != 1 ? "s" : ""); 965 else 966 fprintf(stdout, "%d\n", vfc.vfc_refcount); 967 968 return -1; 969} 970 971int 972sysctl_vfs(string, bufpp, mib, flags, typep) 973 char *string; 974 char **bufpp; 975 int mib[]; 976 int flags; 977 int *typep; 978{ 979 struct list *lp = &vfsvars[mib[1]]; 980 int indx; 981 982 if (lp->list == NULL) { 983 if (flags) 984 warnx("No variables defined for file system %s", string); 985 return(-1); 986 } 987 if (*bufpp == NULL) { 988 listall(string, lp); 989 return (-1); 990 } 991 if ((indx = findname(string, "third", bufpp, lp)) == -1) 992 return (-1); 993 994 mib[1] = vfs_typenums[mib[1]]; 995 mib[2] = indx; 996 *typep = lp->list[indx].ctl_type; 997 return (3); 998} 999 1000struct ctlname posixname[] = CTL_FS_POSIX_NAMES; 1001struct list fslist = { posixname, FS_POSIX_MAXID }; 1002 1003/* 1004 * handle file system requests 1005 */ 1006int 1007sysctl_fs(string, bufpp, mib, flags, typep) 1008 char *string; 1009 char **bufpp; 1010 int mib[]; 1011 int flags; 1012 int *typep; 1013{ 1014 int indx; 1015 1016 if (*bufpp == NULL) { 1017 listall(string, &fslist); 1018 return(-1); 1019 } 1020 if ((indx = findname(string, "third", bufpp, &fslist)) == -1) 1021 return(-1); 1022 mib[2] = indx; 1023 *typep = fslist.list[indx].ctl_type; 1024 return(3); 1025} 1026 1027#ifdef CPU_BIOS 1028struct ctlname biosname[] = CTL_BIOS_NAMES; 1029struct list bioslist = { biosname, BIOS_MAXID }; 1030 1031/* 1032 * handle BIOS requests 1033 */ 1034int 1035sysctl_bios(string, bufpp, mib, flags, typep) 1036 char *string; 1037 char **bufpp; 1038 int mib[]; 1039 int flags; 1040 int *typep; 1041{ 1042 char *name; 1043 int indx; 1044 1045 if (*bufpp == NULL) { 1046 listall(string, &bioslist); 1047 return(-1); 1048 } 1049 if ((indx = findname(string, "third", bufpp, &bioslist)) == -1) 1050 return(-1); 1051 mib[2] = indx; 1052 if (indx == BIOS_DISKINFO) { 1053 if (*bufpp == NULL) { 1054 char name[BUFSIZ]; 1055 1056 /* scan all the bios devices */ 1057 for (indx = 0; indx < 256; indx++) { 1058 snprintf(name, sizeof(name), "%s.%u", 1059 string, indx); 1060 parse(name, 1); 1061 } 1062 return(-1); 1063 } 1064 if ((name = strsep(bufpp, ".")) == NULL) { 1065 warnx("%s: incomplete specification", string); 1066 return(-1); 1067 } 1068 mib[3] = atoi(name); 1069 *typep = CTLTYPE_STRUCT; 1070 return(4); 1071 } else { 1072 *typep = bioslist.list[indx].ctl_type; 1073 return(3); 1074 } 1075} 1076#endif 1077 1078#ifdef UVM 1079struct ctlname swpencname[] = CTL_SWPENC_NAMES; 1080struct list swpenclist = { swpencname, SWPENC_MAXID }; 1081 1082/* 1083 * handle swap encrypt requests 1084 */ 1085int 1086sysctl_swpenc(string, bufpp, mib, flags, typep) 1087 char *string; 1088 char **bufpp; 1089 int mib[]; 1090 int flags; 1091 int *typep; 1092{ 1093 char *name; 1094 int indx; 1095 1096 if (*bufpp == NULL) { 1097 listall(string, &swpenclist); 1098 return(-1); 1099 } 1100 if ((indx = findname(string, "third", bufpp, &swpenclist)) == -1) 1101 return(-1); 1102 mib[2] = indx; 1103 *typep = swpenclist.list[indx].ctl_type; 1104 return(3); 1105} 1106#endif 1107 1108struct ctlname inetname[] = CTL_IPPROTO_NAMES; 1109struct ctlname ipname[] = IPCTL_NAMES; 1110struct ctlname icmpname[] = ICMPCTL_NAMES; 1111struct ctlname ipipname[] = IPIPCTL_NAMES; 1112struct ctlname tcpname[] = TCPCTL_NAMES; 1113struct ctlname udpname[] = UDPCTL_NAMES; 1114struct ctlname espname[] = ESPCTL_NAMES; 1115struct ctlname ahname[] = AHCTL_NAMES; 1116struct ctlname etheripname[] = ETHERIPCTL_NAMES; 1117struct ctlname grename[] = GRECTL_NAMES; 1118struct ctlname mobileipname[] = MOBILEIPCTL_NAMES; 1119struct list inetlist = { inetname, IPPROTO_MAXID }; 1120struct list inetvars[] = { 1121 { ipname, IPCTL_MAXID }, /* ip */ 1122 { icmpname, ICMPCTL_MAXID }, /* icmp */ 1123 { 0, 0 }, /* igmp */ 1124 { 0, 0 }, /* ggmp */ 1125 { ipipname, IPIPCTL_MAXID }, /* ipencap */ 1126 { 0, 0 }, 1127 { tcpname, TCPCTL_MAXID }, /* tcp */ 1128 { 0, 0 }, 1129 { 0, 0 }, /* egp */ 1130 { 0, 0 }, 1131 { 0, 0 }, 1132 { 0, 0 }, 1133 { 0, 0 }, /* pup */ 1134 { 0, 0 }, 1135 { 0, 0 }, 1136 { 0, 0 }, 1137 { 0, 0 }, 1138 { udpname, UDPCTL_MAXID }, /* udp */ 1139 { 0, 0 }, 1140 { 0, 0 }, 1141 { 0, 0 }, 1142 { 0, 0 }, 1143 { 0, 0 }, 1144 { 0, 0 }, 1145 { 0, 0 }, 1146 { 0, 0 }, 1147 { 0, 0 }, 1148 { 0, 0 }, 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 { grename, GRECTL_MAXID }, /* GRE */ 1169 { 0, 0 }, 1170 { 0, 0 }, 1171 { espname, ESPCTL_MAXID }, /* esp */ 1172 { ahname, AHCTL_MAXID }, /* ah */ 1173 { 0, 0 }, 1174 { 0, 0 }, 1175 { 0, 0 }, 1176 { mobileipname, MOBILEIPCTL_MAXID }, /* mobileip */ 1177 { 0, 0 }, 1178 { 0, 0 }, 1179 { 0, 0 }, 1180 { 0, 0 }, 1181 { 0, 0 }, 1182 { 0, 0 }, 1183 { 0, 0 }, 1184 { 0, 0 }, 1185 { 0, 0 }, 1186 { 0, 0 }, 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 { etheripname, ETHERIPCTL_MAXID }, 1219}; 1220 1221struct list kernmalloclist = { kernmallocname, KERN_MALLOC_MAXID }; 1222struct list kernbucketlist = { kernbucketname, KERN_MALLOC_BUCKET_MAXID }; 1223 1224/* 1225 * handle malloc statistics 1226 */ 1227int 1228sysctl_malloc(string, bufpp, mib, flags, typep) 1229 char *string; 1230 char **bufpp; 1231 int mib[]; 1232 int flags; 1233 int *typep; 1234{ 1235 int indx, size, stor, i; 1236 char *name, bufp[BUFSIZ], *buf; 1237 struct list lp; 1238 1239 if (*bufpp == NULL) { 1240 listall(string, &kernmalloclist); 1241 return(-1); 1242 } 1243 if ((indx = findname(string, "third", bufpp, &kernmalloclist)) == -1) 1244 return (-1); 1245 mib[2] = indx; 1246 if (mib[2] == KERN_MALLOC_BUCKET) { 1247 if ((name = strsep(bufpp, ".")) == NULL) { 1248 size = BUFSIZ; 1249 stor = mib[2]; 1250 mib[2] = KERN_MALLOC_BUCKETS; 1251 buf = bufp; 1252 if (sysctl(mib, 3, buf, &size, NULL, 0) < 0) 1253 return(-1); 1254 mib[2] = stor; 1255 for (stor = 0, i = 0; i < size; i++) 1256 if (buf[i] == ',') 1257 stor++; 1258 lp.list = calloc(stor + 2, sizeof(struct ctlname)); 1259 if (lp.list == NULL) 1260 return(-1); 1261 lp.size = stor + 2; 1262 for (i = 1; 1263 (lp.list[i].ctl_name = strsep(&buf, ",")) != NULL; 1264 i++) { 1265 lp.list[i].ctl_type = CTLTYPE_QUAD; 1266 } 1267 lp.list[i].ctl_name = buf; 1268 lp.list[i].ctl_type = CTLTYPE_QUAD; 1269 listall(string, &lp); 1270 free(lp.list); 1271 return(-1); 1272 } 1273 mib[3] = atoi(name); 1274 if (*bufpp == NULL) { 1275 listall(string, &kernbucketlist); 1276 return(-1); 1277 } 1278 if ((indx = findname(string, "fifth", bufpp, 1279 &kernbucketlist)) == -1) 1280 return (-1); 1281 mib[4] = indx; 1282 *typep = CTLTYPE_QUAD; 1283 return(5); 1284 } else { 1285 *typep = CTLTYPE_STRING; 1286 return(3); 1287 } 1288} 1289 1290/* 1291 * handle internet requests 1292 */ 1293int 1294sysctl_inet(string, bufpp, mib, flags, typep) 1295 char *string; 1296 char **bufpp; 1297 int mib[]; 1298 int flags; 1299 int *typep; 1300{ 1301 struct list *lp; 1302 int indx; 1303 1304 if (*bufpp == NULL) { 1305 listall(string, &inetlist); 1306 return(-1); 1307 } 1308 if ((indx = findname(string, "third", bufpp, &inetlist)) == -1) 1309 return(-1); 1310 mib[2] = indx; 1311 if (indx < IPPROTO_MAXID && inetvars[indx].list != NULL) 1312 lp = &inetvars[indx]; 1313 else if (!flags) 1314 return(-1); 1315 else { 1316 warnx("%s: no variables defined for this protocol", string); 1317 return(-1); 1318 } 1319 if (*bufpp == NULL) { 1320 listall(string, lp); 1321 return(-1); 1322 } 1323 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1324 return(-1); 1325 mib[3] = indx; 1326 *typep = lp->list[indx].ctl_type; 1327 return(4); 1328} 1329 1330#ifdef INET6 1331struct ctlname inet6name[] = CTL_IPV6PROTO_NAMES; 1332struct ctlname ip6name[] = IPV6CTL_NAMES; 1333struct ctlname icmp6name[] = ICMPV6CTL_NAMES; 1334struct ctlname pim6name[] = PIM6CTL_NAMES; 1335struct list inet6list = { inet6name, IPV6PROTO_MAXID }; 1336struct list inet6vars[] = { 1337/*0*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1338 { 0, 0 }, 1339 { 0, 0 }, 1340 { 0, 0 }, 1341 { 0, 0 }, 1342 { 0, 0 }, 1343/*10*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1344 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1345/*20*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1346 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1347/*30*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1348 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1349/*40*/ { 0, 0 }, 1350 { ip6name, IPV6CTL_MAXID }, /* ipv6 */ 1351 { 0, 0 }, 1352 { 0, 0 }, 1353 { 0, 0 }, 1354 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1355/*50*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1356 { 0, 0 }, 1357 { 0, 0 }, 1358 { 0, 0 }, 1359 { icmp6name, ICMPV6CTL_MAXID }, /* icmp6 */ 1360 { 0, 0 }, 1361/*60*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1362 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1363/*70*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1364 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1365/*80*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1366 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1367/*90*/ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1368 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, 1369/*100*/ { 0, 0 }, 1370 { 0, 0 }, 1371 { 0, 0 }, 1372 { pim6name, PIM6CTL_MAXID }, /* pim6 */ 1373}; 1374 1375/* 1376 * handle internet6 requests 1377 */ 1378int 1379sysctl_inet6(string, bufpp, mib, flags, typep) 1380 char *string; 1381 char **bufpp; 1382 int mib[]; 1383 int flags; 1384 int *typep; 1385{ 1386 struct list *lp; 1387 int indx; 1388 1389 if (*bufpp == NULL) { 1390 listall(string, &inet6list); 1391 return(-1); 1392 } 1393 if ((indx = findname(string, "third", bufpp, &inet6list)) == -1) 1394 return(-1); 1395 mib[2] = indx; 1396 if (indx < IPV6PROTO_MAXID && inet6vars[indx].list != NULL) 1397 lp = &inet6vars[indx]; 1398 else if (!flags) 1399 return(-1); 1400 else { 1401 warnx("%s: no variables defined for this protocol", string); 1402 return(-1); 1403 } 1404 if (*bufpp == NULL) { 1405 listall(string, lp); 1406 return(-1); 1407 } 1408 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1409 return(-1); 1410 mib[3] = indx; 1411 *typep = lp->list[indx].ctl_type; 1412 return(4); 1413} 1414#endif 1415 1416struct ctlname ipxname[] = CTL_IPXPROTO_NAMES; 1417struct ctlname ipxpname[] = IPXCTL_NAMES; 1418struct ctlname spxpname[] = SPXCTL_NAMES; 1419struct list ipxlist = { ipxname, IPXCTL_MAXID }; 1420struct list ipxvars[] = { 1421 { ipxpname, IPXCTL_MAXID }, /* ipx */ 1422 { 0, 0 }, 1423 { 0, 0 }, 1424 { 0, 0 }, 1425 { 0, 0 }, 1426 { spxpname, SPXCTL_MAXID }, 1427}; 1428 1429/* 1430 * Handle internet requests 1431 */ 1432int 1433sysctl_ipx(string, bufpp, mib, flags, typep) 1434 char *string; 1435 char **bufpp; 1436 int mib[]; 1437 int flags; 1438 int *typep; 1439{ 1440 struct list *lp; 1441 int indx; 1442 1443 if (*bufpp == NULL) { 1444 listall(string, &ipxlist); 1445 return(-1); 1446 } 1447 if ((indx = findname(string, "third", bufpp, &ipxlist)) == -1) 1448 return(-1); 1449 mib[2] = indx; 1450 if (indx <= IPXPROTO_SPX && ipxvars[indx].list != NULL) 1451 lp = &ipxvars[indx]; 1452 else if (!flags) 1453 return(-1); 1454 else { 1455 warnx("%s: no variables defined for this protocol", string); 1456 return(-1); 1457 } 1458 if (*bufpp == NULL) { 1459 listall(string, lp); 1460 return(-1); 1461 } 1462 if ((indx = findname(string, "fourth", bufpp, lp)) == -1) 1463 return(-1); 1464 mib[3] = indx; 1465 *typep = lp->list[indx].ctl_type; 1466 return(4); 1467} 1468 1469/* 1470 * Scan a list of names searching for a particular name. 1471 */ 1472int 1473findname(string, level, bufp, namelist) 1474 char *string; 1475 char *level; 1476 char **bufp; 1477 struct list *namelist; 1478{ 1479 char *name; 1480 int i; 1481 1482 if (namelist->list == 0 || (name = strsep(bufp, ".")) == NULL) { 1483 warnx("%s: incomplete specification", string); 1484 return(-1); 1485 } 1486 for (i = 0; i < namelist->size; i++) 1487 if (namelist->list[i].ctl_name != NULL && 1488 strcmp(name, namelist->list[i].ctl_name) == 0) 1489 break; 1490 if (i == namelist->size) { 1491 warnx("%s level name %s in %s is invalid", level, name, string); 1492 return(-1); 1493 } 1494 return(i); 1495} 1496 1497void 1498usage() 1499{ 1500 1501 (void)fprintf(stderr, "usage:\t%s\n\t%s\n\t%s\n\t%s\n", 1502 "sysctl [-n] variable ...", "sysctl [-n] -w variable=value ...", 1503 "sysctl [-n] -a", "sysctl [-n] -A"); 1504 exit(1); 1505} 1506