1 /* 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#) Copyright (c) 1993 The Regents of the University of California. All rights reserved. 30 * @(#)from: sysctl.c 8.1 (Berkeley) 6/6/93 31 * $FreeBSD: src/sbin/sysctl/sysctl.c,v 1.25.2.11 2003/05/01 22:48:08 trhodes Exp $ 32 */ 33 34 #ifdef __i386__ 35 #include <sys/diskslice.h> /* used for bootdev parsing */ 36 #include <sys/reboot.h> /* used for bootdev parsing */ 37 #endif 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 #include <sys/sysctl.h> 41 #include <sys/resource.h> 42 #include <sys/sensors.h> 43 #include <sys/param.h> 44 45 #include <machine/inttypes.h> 46 47 #include <ctype.h> 48 #include <err.h> 49 #include <errno.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 static int aflag, bflag, dflag, eflag, Nflag, nflag, oflag, xflag; 56 57 static int oidfmt(int *, size_t, char *, u_int *); 58 static void parse(const char *); 59 static int show_var(int *, size_t); 60 static int sysctl_all(int *, size_t); 61 static void set_T_dev_t(const char *, void **, size_t *); 62 static int set_IK(const char *, int *); 63 64 static void 65 usage(void) 66 { 67 68 fprintf(stderr, "%s\n%s\n", 69 "usage: sysctl [-bdeNnox] variable[=value] ...", 70 " sysctl [-bdeNnox] -a"); 71 exit(1); 72 } 73 74 int 75 main(int argc, char **argv) 76 { 77 int ch; 78 setbuf(stdout,0); 79 setbuf(stderr,0); 80 81 while ((ch = getopt(argc, argv, "AabdeNnowxX")) != -1) { 82 switch (ch) { 83 case 'A': 84 /* compatibility */ 85 aflag = oflag = 1; 86 break; 87 case 'a': 88 aflag = 1; 89 break; 90 case 'b': 91 bflag = 1; 92 break; 93 case 'd': 94 dflag = 1; 95 break; 96 case 'e': 97 eflag = 1; 98 break; 99 case 'N': 100 Nflag = 1; 101 break; 102 case 'n': 103 nflag = 1; 104 break; 105 case 'o': 106 oflag = 1; 107 break; 108 case 'w': 109 /* compatibility */ 110 /* ignored */ 111 break; 112 case 'X': 113 /* compatibility */ 114 aflag = xflag = 1; 115 break; 116 case 'x': 117 xflag = 1; 118 break; 119 default: 120 usage(); 121 } 122 } 123 argc -= optind; 124 argv += optind; 125 126 if (Nflag && nflag) 127 usage(); 128 if (aflag && argc == 0) 129 exit(sysctl_all(0, 0)); 130 if (argc == 0) 131 usage(); 132 while (argc-- > 0) 133 parse(*argv++); 134 exit(0); 135 } 136 137 /* 138 * Parse a name into a MIB entry. 139 * Lookup and print out the MIB entry if it exists. 140 * Set a new value if requested. 141 */ 142 static void 143 parse(const char *string) 144 { 145 size_t len; 146 int i, j; 147 void *newval = NULL; 148 int intval; 149 unsigned int uintval; 150 long longval; 151 unsigned long ulongval; 152 size_t newsize = 0; 153 quad_t quadval; 154 u_quad_t uquadval; 155 int mib[CTL_MAXNAME]; 156 char *cp, fmt[BUFSIZ]; 157 const char *name; 158 char *name_allocated = NULL; 159 u_int kind; 160 161 if ((cp = strchr(string, '=')) != NULL) { 162 if ((name_allocated = malloc(cp - string + 1)) == NULL) 163 err(1, "malloc failed"); 164 strlcpy(name_allocated, string, cp - string + 1); 165 name = name_allocated; 166 167 while (isspace(*++cp)) 168 ; 169 170 newval = cp; 171 newsize = strlen(cp); 172 } else { 173 name = string; 174 } 175 176 len = CTL_MAXNAME; 177 if (sysctlnametomib(name, mib, &len) < 0) { 178 if (errno == ENOENT) { 179 errx(1, "unknown oid '%s'", name); 180 } else { 181 err(1, "sysctlnametomib(\"%s\")", name); 182 } 183 } 184 185 if (oidfmt(mib, len, fmt, &kind)) 186 err(1, "couldn't find format of oid '%s'", name); 187 188 if (newval == NULL) { 189 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 190 sysctl_all(mib, len); 191 } else { 192 i = show_var(mib, len); 193 if (!i && !bflag) 194 putchar('\n'); 195 } 196 } else { 197 if ((kind & CTLTYPE) == CTLTYPE_NODE) 198 errx(1, "oid '%s' isn't a leaf node", name); 199 200 if (!(kind&CTLFLAG_WR)) 201 errx(1, "oid '%s' is read only", name); 202 203 switch (kind & CTLTYPE) { 204 case CTLTYPE_INT: 205 if (!strcmp(fmt, "IK") == 0) { 206 if (!set_IK(newval, &intval)) 207 errx(1, "invalid value '%s'", 208 (char *)newval); 209 } else 210 intval = (int) strtol(newval, NULL, 0); 211 newval = &intval; 212 newsize = sizeof(intval); 213 break; 214 case CTLTYPE_UINT: 215 uintval = (int) strtoul(newval, NULL, 0); 216 newval = &uintval; 217 newsize = sizeof uintval; 218 break; 219 case CTLTYPE_LONG: 220 longval = strtol(newval, NULL, 0); 221 newval = &longval; 222 newsize = sizeof longval; 223 break; 224 case CTLTYPE_ULONG: 225 ulongval = strtoul(newval, NULL, 0); 226 newval = &ulongval; 227 newsize = sizeof ulongval; 228 break; 229 case CTLTYPE_STRING: 230 break; 231 case CTLTYPE_QUAD: 232 quadval = strtoq(newval, NULL, 0); 233 newval = &quadval; 234 newsize = sizeof(quadval); 235 break; 236 case CTLTYPE_UQUAD: 237 uquadval = strtouq(newval, NULL, 0); 238 newval = &uquadval; 239 newsize = sizeof(uquadval); 240 break; 241 case CTLTYPE_OPAQUE: 242 if (strcmp(fmt, "T,dev_t") == 0 || 243 strcmp(fmt, "T,udev_t") == 0 244 ) { 245 set_T_dev_t((char*)newval, &newval, 246 &newsize); 247 break; 248 } 249 /* FALLTHROUGH */ 250 default: 251 errx(1, "oid '%s' is type %d," 252 " cannot set that", name, 253 kind & CTLTYPE); 254 } 255 256 i = show_var(mib, len); 257 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 258 if (!i && !bflag) 259 putchar('\n'); 260 switch (errno) { 261 case EOPNOTSUPP: 262 errx(1, "%s: value is not available", 263 string); 264 case ENOTDIR: 265 errx(1, "%s: specification is incomplete", 266 string); 267 case ENOMEM: 268 errx(1, "%s: type is unknown to this program", 269 string); 270 default: 271 warn("%s", string); 272 return; 273 } 274 } 275 if (!bflag) 276 printf(" -> "); 277 i = nflag; 278 nflag = 1; 279 j = show_var(mib, len); 280 if (!j && !bflag) 281 putchar('\n'); 282 nflag = i; 283 } 284 285 if (name_allocated != NULL) 286 free(name_allocated); 287 } 288 289 /* These functions will dump out various interesting structures. */ 290 291 static int 292 S_clockinfo(int l2, void *p) 293 { 294 struct clockinfo *ci = (struct clockinfo*)p; 295 if (l2 != sizeof(*ci)) 296 err(1, "S_clockinfo %d != %zu", l2, sizeof(*ci)); 297 printf("{ hz = %d, tick = %d, tickadj = %d, profhz = %d, stathz = %d }", 298 ci->hz, ci->tick, ci->tickadj, ci->profhz, ci->stathz); 299 return (0); 300 } 301 302 static int 303 S_loadavg(int l2, void *p) 304 { 305 struct loadavg *tv = (struct loadavg*)p; 306 307 if (l2 != sizeof(*tv)) 308 err(1, "S_loadavg %d != %zu", l2, sizeof(*tv)); 309 310 printf("{ %.2f %.2f %.2f }", 311 (double)tv->ldavg[0]/(double)tv->fscale, 312 (double)tv->ldavg[1]/(double)tv->fscale, 313 (double)tv->ldavg[2]/(double)tv->fscale); 314 return (0); 315 } 316 317 static int 318 S_timespec(int l2, void *p) 319 { 320 struct timespec *ts = (struct timespec*)p; 321 time_t tv_sec; 322 char *p1, *p2; 323 324 if (l2 != sizeof(*ts)) 325 err(1, "S_timespec %d != %zu", l2, sizeof(*ts)); 326 printf("{ sec = %ld, nsec = %ld } ", 327 ts->tv_sec, ts->tv_nsec); 328 tv_sec = ts->tv_sec; 329 p1 = strdup(ctime(&tv_sec)); 330 for (p2=p1; *p2 ; p2++) 331 if (*p2 == '\n') 332 *p2 = '\0'; 333 fputs(p1, stdout); 334 return (0); 335 } 336 337 static int 338 S_timeval(int l2, void *p) 339 { 340 struct timeval *tv = (struct timeval*)p; 341 time_t tv_sec; 342 char *p1, *p2; 343 344 if (l2 != sizeof(*tv)) 345 err(1, "S_timeval %d != %zu", l2, sizeof(*tv)); 346 printf("{ sec = %ld, usec = %ld } ", 347 tv->tv_sec, tv->tv_usec); 348 tv_sec = tv->tv_sec; 349 p1 = strdup(ctime(&tv_sec)); 350 for (p2=p1; *p2 ; p2++) 351 if (*p2 == '\n') 352 *p2 = '\0'; 353 fputs(p1, stdout); 354 return (0); 355 } 356 357 static int 358 S_sensor(int l2, void *p) 359 { 360 struct sensor *s = (struct sensor *)p; 361 362 if (l2 != sizeof(*s)) { 363 warnx("S_sensor %d != %zu", l2, sizeof(*s)); 364 return (1); 365 } 366 367 if (s->flags & SENSOR_FINVALID) { 368 /* 369 * XXX: with this flag, the node should be entirely ignored, 370 * but as the magic-based sysctl(8) is not too flexible, we 371 * simply have to print out that the sensor is invalid. 372 */ 373 printf("invalid"); 374 return (0); 375 } 376 377 if (s->flags & SENSOR_FUNKNOWN) 378 printf("unknown"); 379 else { 380 switch (s->type) { 381 case SENSOR_TEMP: 382 printf("%.2f degC", 383 (s->value - 273150000) / 1000000.0); 384 break; 385 case SENSOR_FANRPM: 386 printf("%jd RPM", (intmax_t)s->value); 387 break; 388 case SENSOR_VOLTS_DC: 389 printf("%.2f VDC", s->value / 1000000.0); 390 break; 391 case SENSOR_AMPS: 392 printf("%.2f A", s->value / 1000000.0); 393 break; 394 case SENSOR_WATTHOUR: 395 printf("%.2f Wh", s->value / 1000000.0); 396 break; 397 case SENSOR_AMPHOUR: 398 printf("%.2f Ah", s->value / 1000000.0); 399 break; 400 case SENSOR_INDICATOR: 401 printf("%s", s->value ? "On" : "Off"); 402 break; 403 case SENSOR_INTEGER: 404 printf("%jd", (intmax_t)s->value); 405 break; 406 case SENSOR_PERCENT: 407 printf("%.2f%%", s->value / 1000.0); 408 break; 409 case SENSOR_LUX: 410 printf("%.2f lx", s->value / 1000000.0); 411 break; 412 case SENSOR_DRIVE: 413 { 414 const char *name; 415 416 switch (s->value) { 417 case SENSOR_DRIVE_EMPTY: 418 name = "empty"; 419 break; 420 case SENSOR_DRIVE_READY: 421 name = "ready"; 422 break; 423 case SENSOR_DRIVE_POWERUP: 424 name = "powering up"; 425 break; 426 case SENSOR_DRIVE_ONLINE: 427 name = "online"; 428 break; 429 case SENSOR_DRIVE_IDLE: 430 name = "idle"; 431 break; 432 case SENSOR_DRIVE_ACTIVE: 433 name = "active"; 434 break; 435 case SENSOR_DRIVE_REBUILD: 436 name = "rebuilding"; 437 break; 438 case SENSOR_DRIVE_POWERDOWN: 439 name = "powering down"; 440 break; 441 case SENSOR_DRIVE_FAIL: 442 name = "failed"; 443 break; 444 case SENSOR_DRIVE_PFAIL: 445 name = "degraded"; 446 break; 447 default: 448 name = "unknown"; 449 break; 450 } 451 printf(name); 452 break; 453 } 454 case SENSOR_TIMEDELTA: 455 printf("%.6f secs", s->value / 1000000000.0); 456 break; 457 default: 458 printf("unknown"); 459 } 460 } 461 462 if (s->desc[0] != '\0') 463 printf(" (%s)", s->desc); 464 465 switch (s->status) { 466 case SENSOR_S_UNSPEC: 467 break; 468 case SENSOR_S_OK: 469 printf(", OK"); 470 break; 471 case SENSOR_S_WARN: 472 printf(", WARNING"); 473 break; 474 case SENSOR_S_CRIT: 475 printf(", CRITICAL"); 476 break; 477 case SENSOR_S_UNKNOWN: 478 printf(", UNKNOWN"); 479 break; 480 } 481 482 if (s->tv.tv_sec) { 483 time_t t = s->tv.tv_sec; 484 char ct[26]; 485 486 ctime_r(&t, ct); 487 ct[19] = '\0'; 488 printf(", %s.%03ld", ct, s->tv.tv_usec / 1000); 489 } 490 491 return (0); 492 } 493 494 static int 495 T_dev_t(int l2, void *p) 496 { 497 dev_t *d = (dev_t *)p; 498 if (l2 != sizeof(*d)) 499 err(1, "T_dev_T %d != %zu", l2, sizeof(*d)); 500 if ((int)(*d) != -1) { 501 if (minor(*d) > 255 || minor(*d) < 0) 502 printf("{ major = %d, minor = 0x%x }", 503 major(*d), minor(*d)); 504 else 505 printf("{ major = %d, minor = %d }", 506 major(*d), minor(*d)); 507 } 508 return (0); 509 } 510 511 static void 512 set_T_dev_t(const char *path, void **val, size_t *size) 513 { 514 static struct stat statb; 515 516 if (strcmp(path, "none") && strcmp(path, "off")) { 517 int rc = stat (path, &statb); 518 if (rc) { 519 err(1, "cannot stat %s", path); 520 } 521 522 if (!S_ISCHR(statb.st_mode)) { 523 errx(1, "must specify a device special file."); 524 } 525 } else { 526 statb.st_rdev = NODEV; 527 } 528 *val = (char*) &statb.st_rdev; 529 *size = sizeof statb.st_rdev; 530 } 531 532 static int 533 set_IK(const char *str, int *val) 534 { 535 float temp; 536 int len, kelv; 537 const char *p; 538 char *endptr; 539 540 if ((len = strlen(str)) == 0) 541 return (0); 542 p = &str[len - 1]; 543 if (*p == 'C' || *p == 'F') { 544 temp = strtof(str, &endptr); 545 if (endptr == str || endptr != p) 546 return 0; 547 if (*p == 'F') 548 temp = (temp - 32) * 5 / 9; 549 kelv = temp * 10 + 2732; 550 } else { 551 /* 552 * I would like to just use, 0 but it would make numbers 553 * like '023' which were interpreted as decimal before 554 * suddenly interpreted as octal. 555 */ 556 if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) 557 kelv = (int)strtol(str, &endptr, 0); 558 else 559 kelv = (int)strtol(str, &endptr, 10); 560 if (endptr == str || *endptr != '\0') 561 return 0; 562 } 563 *val = kelv; 564 return 1; 565 } 566 567 /* 568 * These functions uses a presently undocumented interface to the kernel 569 * to walk the tree and get the type so it can print the value. 570 * This interface is under work and consideration, and should probably 571 * be killed with a big axe by the first person who can find the time. 572 * (be aware though, that the proper interface isn't as obvious as it 573 * may seem, there are various conflicting requirements. 574 */ 575 576 static int 577 oidfmt(int *oid, size_t len, char *fmt, u_int *kind) 578 { 579 int qoid[CTL_MAXNAME+2]; 580 u_char buf[BUFSIZ]; 581 int i; 582 size_t j; 583 584 qoid[0] = 0; 585 qoid[1] = 4; 586 memcpy(qoid + 2, oid, len * sizeof(int)); 587 588 j = sizeof(buf); 589 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 590 if (i) 591 err(1, "sysctl fmt %d %zu %d", i, j, errno); 592 593 if (kind) 594 *kind = *(u_int *)buf; 595 596 if (fmt) 597 strcpy(fmt, (char *)(buf + sizeof(u_int))); 598 return 0; 599 } 600 601 #ifdef __i386__ 602 /* 603 * Code to map a bootdev major number into a suitable device name. 604 * Major numbers are mapped into names as in boot2.c 605 */ 606 struct _foo { 607 int majdev; 608 const char *name; 609 } maj2name[] = { 610 { 30, "ad" }, 611 { 0, "wd" }, 612 { 1, "wfd" }, 613 { 2, "fd" }, 614 { 4, "da" }, 615 { -1, NULL } /* terminator */ 616 }; 617 618 static int 619 machdep_bootdev(u_long value) 620 { 621 int majdev, unit, slice, part; 622 struct _foo *p; 623 624 if ((value & B_MAGICMASK) != B_DEVMAGIC) { 625 printf("invalid (0x%08lx)", value); 626 return 0; 627 } 628 majdev = B_TYPE(value); 629 unit = B_UNIT(value); 630 slice = B_SLICE(value); 631 part = B_PARTITION(value); 632 if (majdev == 2) { /* floppy, as known to the boot block... */ 633 printf("/dev/fd%d", unit); 634 return 0; 635 } 636 for (p = maj2name; p->name != NULL && p->majdev != majdev ; p++) ; 637 if (p->name != NULL) { /* found */ 638 if (slice == WHOLE_DISK_SLICE) 639 printf("/dev/%s%d%c", p->name, unit, part); 640 else 641 printf("/dev/%s%ds%d%c", 642 p->name, unit, slice - BASE_SLICE + 1, part + 'a'); 643 } else 644 printf("unknown (major %d unit %d slice %d part %d)", 645 majdev, unit, slice, part); 646 return 0; 647 } 648 #endif 649 650 /* 651 * This formats and outputs the value of one variable 652 * 653 * Returns zero if anything was actually output. 654 * Returns one if didn't know what to do with this. 655 * Return minus one if we had errors. 656 */ 657 658 static int 659 show_var(int *oid, size_t nlen) 660 { 661 u_char buf[BUFSIZ], *val = NULL, *p, *nul; 662 char name[BUFSIZ], *fmt; 663 const char *sep, *spacer; 664 int qoid[CTL_MAXNAME+2]; 665 int i; 666 size_t j, len; 667 u_int kind; 668 int (*func)(int, void *); 669 int error = 0; 670 671 qoid[0] = 0; 672 memcpy(qoid + 2, oid, nlen * sizeof(int)); 673 674 qoid[1] = 1; 675 j = sizeof(name); 676 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 677 if (i || !j) 678 err(1, "sysctl name %d %zu %d", i, j, errno); 679 680 if (Nflag) { 681 printf("%s", name); 682 return (0); 683 } 684 685 if (eflag) 686 sep = "="; 687 else 688 sep = ": "; 689 690 if (dflag) { /* just print description */ 691 qoid[1] = 5; 692 j = sizeof(buf); 693 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 694 if (!nflag) 695 printf("%s%s", name, sep); 696 printf("%s", buf); 697 return(0); 698 } 699 /* find an estimate of how much we need for this var */ 700 j = 0; 701 i = sysctl(oid, nlen, 0, &j, 0, 0); 702 j += j; /* we want to be sure :-) */ 703 704 val = malloc(j + 1); 705 if (val == NULL) 706 return (1); 707 708 len = j; 709 i = sysctl(oid, nlen, val, &len, 0, 0); 710 if (i || !len) { 711 error = 1; 712 goto done; 713 } 714 715 if (bflag) { 716 fwrite(val, 1, len, stdout); 717 goto done; 718 } 719 720 val[len] = '\0'; 721 fmt = buf; 722 oidfmt(oid, nlen, fmt, &kind); 723 p = val; 724 switch (*fmt) { 725 case 'A': 726 if (!nflag) 727 printf("%s%s", name, sep); 728 nul = memchr(p, '\0', len); 729 fwrite(p, nul == NULL ? (int)len : nul - p, 1, stdout); 730 return (0); 731 732 case 'I': 733 if (!nflag) 734 printf("%s%s", name, sep); 735 fmt++; 736 spacer = ""; 737 while (len >= sizeof(int)) { 738 if(*fmt == 'U') 739 printf("%s%u", spacer, *(unsigned int *)p); 740 else if (*fmt == 'K' && *(int *)p >= 0) 741 printf("%s%.1fC", spacer, (*(int *)p - 2732) / 10.0); 742 else 743 printf("%s%d", spacer, *(int *)p); 744 spacer = " "; 745 len -= sizeof(int); 746 p += sizeof(int); 747 } 748 goto done; 749 750 case 'L': 751 if (!nflag) 752 printf("%s%s", name, sep); 753 fmt++; 754 #ifdef __i386__ 755 if (!strcmp(name, "machdep.guessed_bootdev")) 756 return machdep_bootdev(*(unsigned long *)p); 757 #endif 758 spacer = ""; 759 while (len >= sizeof(long)) { 760 if(*fmt == 'U') 761 printf("%s%lu", spacer, *(unsigned long *)p); 762 else 763 printf("%s%ld", spacer, *(long *)p); 764 spacer = " "; 765 len -= sizeof(long); 766 p += sizeof(long); 767 } 768 goto done; 769 770 case 'P': 771 if (!nflag) 772 printf("%s%s", name, sep); 773 printf("%p", *(void **)p); 774 goto done; 775 776 case 'Q': 777 if (!nflag) 778 printf("%s%s", name, sep); 779 fmt++; 780 spacer = ""; 781 while (len >= sizeof(quad_t)) { 782 if(*fmt == 'U') { 783 printf("%s%ju", 784 spacer, (uintmax_t)*(u_quad_t *)p); 785 } else { 786 printf("%s%jd", 787 spacer, (intmax_t)*(quad_t *)p); 788 } 789 spacer = " "; 790 len -= sizeof(int64_t); 791 p += sizeof(int64_t); 792 } 793 goto done; 794 795 case 'T': 796 case 'S': 797 if (!oflag && !xflag) { 798 i = 0; 799 if (strcmp(fmt, "S,clockinfo") == 0) 800 func = S_clockinfo; 801 else if (strcmp(fmt, "S,timespec") == 0) 802 func = S_timespec; 803 else if (strcmp(fmt, "S,timeval") == 0) 804 func = S_timeval; 805 else if (strcmp(fmt, "S,loadavg") == 0) 806 func = S_loadavg; 807 else if (strcmp(fmt, "S,sensor") == 0) 808 func = S_sensor; 809 else if (strcmp(fmt, "T,dev_t") == 0) 810 func = T_dev_t; 811 else if (strcmp(fmt, "T,udev_t") == 0) 812 func = T_dev_t; 813 else 814 func = NULL; 815 if (func) { 816 if (!nflag) 817 printf("%s%s", name, sep); 818 error = (*func)(len, p); 819 goto done; 820 } 821 } 822 /* FALL THROUGH */ 823 default: 824 if (!oflag && !xflag) { 825 error = 1; 826 goto done; 827 } 828 if (!nflag) 829 printf("%s%s", name, sep); 830 printf("Format:%s Length:%zu Dump:0x", fmt, len); 831 while (len-- && (xflag || p < val + 16)) 832 printf("%02x", *p++); 833 if (!xflag && len > 16) 834 printf("..."); 835 goto done; 836 } 837 838 done: 839 if (val != NULL) 840 free(val); 841 return (error); 842 } 843 844 static int 845 sysctl_all(int *oid, size_t len) 846 { 847 int name1[22], name2[22]; 848 int retval; 849 size_t i, l1, l2; 850 851 name1[0] = 0; 852 name1[1] = 2; 853 l1 = 2; 854 if (len) { 855 memcpy(name1+2, oid, len * sizeof(int)); 856 l1 += len; 857 } else { 858 name1[2] = 1; 859 l1++; 860 } 861 for (;;) { 862 l2 = sizeof(name2); 863 retval = sysctl(name1, l1, name2, &l2, 0, 0); 864 if (retval < 0) { 865 if (errno == ENOENT) 866 return 0; 867 else 868 err(1, "sysctl(getnext) %d %zu", retval, l2); 869 } 870 871 l2 /= sizeof(int); 872 873 if (l2 < len) 874 return 0; 875 876 for (i = 0; i < len; i++) 877 if (name2[i] != oid[i]) 878 return 0; 879 880 retval = show_var(name2, l2); 881 if (retval == 0 && !bflag) 882 putchar('\n'); 883 884 memcpy(name1+2, name2, l2 * sizeof(int)); 885 l1 = 2 + l2; 886 } 887 } 888