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_ECC: 404 case SENSOR_INTEGER: 405 printf("%jd", (intmax_t)s->value); 406 break; 407 case SENSOR_PERCENT: 408 printf("%.2f%%", s->value / 1000.0); 409 break; 410 case SENSOR_LUX: 411 printf("%.2f lx", s->value / 1000000.0); 412 break; 413 case SENSOR_DRIVE: 414 { 415 const char *name; 416 417 switch (s->value) { 418 case SENSOR_DRIVE_EMPTY: 419 name = "empty"; 420 break; 421 case SENSOR_DRIVE_READY: 422 name = "ready"; 423 break; 424 case SENSOR_DRIVE_POWERUP: 425 name = "powering up"; 426 break; 427 case SENSOR_DRIVE_ONLINE: 428 name = "online"; 429 break; 430 case SENSOR_DRIVE_IDLE: 431 name = "idle"; 432 break; 433 case SENSOR_DRIVE_ACTIVE: 434 name = "active"; 435 break; 436 case SENSOR_DRIVE_REBUILD: 437 name = "rebuilding"; 438 break; 439 case SENSOR_DRIVE_POWERDOWN: 440 name = "powering down"; 441 break; 442 case SENSOR_DRIVE_FAIL: 443 name = "failed"; 444 break; 445 case SENSOR_DRIVE_PFAIL: 446 name = "degraded"; 447 break; 448 default: 449 name = "unknown"; 450 break; 451 } 452 printf("%s", name); 453 break; 454 } 455 case SENSOR_TIMEDELTA: 456 printf("%.6f secs", s->value / 1000000000.0); 457 break; 458 default: 459 printf("unknown"); 460 } 461 } 462 463 if (s->desc[0] != '\0') 464 printf(" (%s)", s->desc); 465 466 switch (s->status) { 467 case SENSOR_S_UNSPEC: 468 break; 469 case SENSOR_S_OK: 470 printf(", OK"); 471 break; 472 case SENSOR_S_WARN: 473 printf(", WARNING"); 474 break; 475 case SENSOR_S_CRIT: 476 printf(", CRITICAL"); 477 break; 478 case SENSOR_S_UNKNOWN: 479 printf(", UNKNOWN"); 480 break; 481 } 482 483 if (s->tv.tv_sec) { 484 time_t t = s->tv.tv_sec; 485 char ct[26]; 486 487 ctime_r(&t, ct); 488 ct[19] = '\0'; 489 printf(", %s.%03ld", ct, s->tv.tv_usec / 1000); 490 } 491 492 return (0); 493 } 494 495 static int 496 T_dev_t(int l2, void *p) 497 { 498 dev_t *d = (dev_t *)p; 499 if (l2 != sizeof(*d)) 500 err(1, "T_dev_T %d != %zu", l2, sizeof(*d)); 501 if ((int)(*d) != -1) { 502 if (minor(*d) > 255 || minor(*d) < 0) 503 printf("{ major = %d, minor = 0x%x }", 504 major(*d), minor(*d)); 505 else 506 printf("{ major = %d, minor = %d }", 507 major(*d), minor(*d)); 508 } 509 return (0); 510 } 511 512 static void 513 set_T_dev_t(const char *path, void **val, size_t *size) 514 { 515 static struct stat statb; 516 517 if (strcmp(path, "none") && strcmp(path, "off")) { 518 int rc = stat (path, &statb); 519 if (rc) { 520 err(1, "cannot stat %s", path); 521 } 522 523 if (!S_ISCHR(statb.st_mode)) { 524 errx(1, "must specify a device special file."); 525 } 526 } else { 527 statb.st_rdev = NODEV; 528 } 529 *val = (char*) &statb.st_rdev; 530 *size = sizeof statb.st_rdev; 531 } 532 533 static int 534 set_IK(const char *str, int *val) 535 { 536 float temp; 537 int len, kelv; 538 const char *p; 539 char *endptr; 540 541 if ((len = strlen(str)) == 0) 542 return (0); 543 p = &str[len - 1]; 544 if (*p == 'C' || *p == 'F') { 545 temp = strtof(str, &endptr); 546 if (endptr == str || endptr != p) 547 return 0; 548 if (*p == 'F') 549 temp = (temp - 32) * 5 / 9; 550 kelv = temp * 10 + 2732; 551 } else { 552 /* 553 * I would like to just use, 0 but it would make numbers 554 * like '023' which were interpreted as decimal before 555 * suddenly interpreted as octal. 556 */ 557 if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) 558 kelv = (int)strtol(str, &endptr, 0); 559 else 560 kelv = (int)strtol(str, &endptr, 10); 561 if (endptr == str || *endptr != '\0') 562 return 0; 563 } 564 *val = kelv; 565 return 1; 566 } 567 568 /* 569 * These functions uses a presently undocumented interface to the kernel 570 * to walk the tree and get the type so it can print the value. 571 * This interface is under work and consideration, and should probably 572 * be killed with a big axe by the first person who can find the time. 573 * (be aware though, that the proper interface isn't as obvious as it 574 * may seem, there are various conflicting requirements. 575 */ 576 577 static int 578 oidfmt(int *oid, size_t len, char *fmt, u_int *kind) 579 { 580 int qoid[CTL_MAXNAME+2]; 581 u_char buf[BUFSIZ]; 582 int i; 583 size_t j; 584 585 qoid[0] = 0; 586 qoid[1] = 4; 587 memcpy(qoid + 2, oid, len * sizeof(int)); 588 589 j = sizeof(buf); 590 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 591 if (i) 592 err(1, "sysctl fmt %d %zu %d", i, j, errno); 593 594 if (kind) 595 *kind = *(u_int *)buf; 596 597 if (fmt) 598 strcpy(fmt, (char *)(buf + sizeof(u_int))); 599 return 0; 600 } 601 602 #ifdef __i386__ 603 /* 604 * Code to map a bootdev major number into a suitable device name. 605 * Major numbers are mapped into names as in boot2.c 606 */ 607 struct _foo { 608 int majdev; 609 const char *name; 610 } maj2name[] = { 611 { 30, "ad" }, 612 { 0, "wd" }, 613 { 1, "wfd" }, 614 { 2, "fd" }, 615 { 4, "da" }, 616 { -1, NULL } /* terminator */ 617 }; 618 619 static int 620 machdep_bootdev(u_long value) 621 { 622 int majdev, unit, slice, part; 623 struct _foo *p; 624 625 if ((value & B_MAGICMASK) != B_DEVMAGIC) { 626 printf("invalid (0x%08lx)", value); 627 return 0; 628 } 629 majdev = B_TYPE(value); 630 unit = B_UNIT(value); 631 slice = B_SLICE(value); 632 part = B_PARTITION(value); 633 if (majdev == 2) { /* floppy, as known to the boot block... */ 634 printf("/dev/fd%d", unit); 635 return 0; 636 } 637 for (p = maj2name; p->name != NULL && p->majdev != majdev ; p++) ; 638 if (p->name != NULL) { /* found */ 639 if (slice == WHOLE_DISK_SLICE) 640 printf("/dev/%s%d%c", p->name, unit, part); 641 else 642 printf("/dev/%s%ds%d%c", 643 p->name, unit, slice - BASE_SLICE + 1, part + 'a'); 644 } else 645 printf("unknown (major %d unit %d slice %d part %d)", 646 majdev, unit, slice, part); 647 return 0; 648 } 649 #endif 650 651 /* 652 * This formats and outputs the value of one variable 653 * 654 * Returns zero if anything was actually output. 655 * Returns one if didn't know what to do with this. 656 * Return minus one if we had errors. 657 */ 658 659 static int 660 show_var(int *oid, size_t nlen) 661 { 662 u_char buf[BUFSIZ], *val = NULL, *p, *nul; 663 char name[BUFSIZ], *fmt; 664 const char *sep, *spacer; 665 int qoid[CTL_MAXNAME+2]; 666 int i; 667 size_t j, len; 668 u_int kind; 669 int (*func)(int, void *); 670 int error = 0; 671 672 qoid[0] = 0; 673 memcpy(qoid + 2, oid, nlen * sizeof(int)); 674 675 qoid[1] = 1; 676 j = sizeof(name); 677 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 678 if (i || !j) 679 err(1, "sysctl name %d %zu %d", i, j, errno); 680 681 if (Nflag) { 682 printf("%s", name); 683 return (0); 684 } 685 686 if (eflag) 687 sep = "="; 688 else 689 sep = ": "; 690 691 if (dflag) { /* just print description */ 692 qoid[1] = 5; 693 j = sizeof(buf); 694 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 695 if (!nflag) 696 printf("%s%s", name, sep); 697 printf("%s", buf); 698 return(0); 699 } 700 /* find an estimate of how much we need for this var */ 701 j = 0; 702 i = sysctl(oid, nlen, 0, &j, 0, 0); 703 j += j; /* we want to be sure :-) */ 704 705 val = malloc(j + 1); 706 if (val == NULL) 707 return (1); 708 709 len = j; 710 i = sysctl(oid, nlen, val, &len, 0, 0); 711 if (i || !len) { 712 error = 1; 713 goto done; 714 } 715 716 if (bflag) { 717 fwrite(val, 1, len, stdout); 718 goto done; 719 } 720 721 val[len] = '\0'; 722 fmt = buf; 723 oidfmt(oid, nlen, fmt, &kind); 724 p = val; 725 switch (*fmt) { 726 case 'A': 727 if (!nflag) 728 printf("%s%s", name, sep); 729 nul = memchr(p, '\0', len); 730 fwrite(p, nul == NULL ? (int)len : nul - p, 1, stdout); 731 return (0); 732 733 case 'I': 734 if (!nflag) 735 printf("%s%s", name, sep); 736 fmt++; 737 spacer = ""; 738 while (len >= sizeof(int)) { 739 if(*fmt == 'U') 740 printf("%s%u", spacer, *(unsigned int *)p); 741 else if (*fmt == 'K' && *(int *)p >= 0) 742 printf("%s%.1fC", spacer, (*(int *)p - 2732) / 10.0); 743 else 744 printf("%s%d", spacer, *(int *)p); 745 spacer = " "; 746 len -= sizeof(int); 747 p += sizeof(int); 748 } 749 goto done; 750 751 case 'L': 752 if (!nflag) 753 printf("%s%s", name, sep); 754 fmt++; 755 #ifdef __i386__ 756 if (!strcmp(name, "machdep.guessed_bootdev")) 757 return machdep_bootdev(*(unsigned long *)p); 758 #endif 759 spacer = ""; 760 while (len >= sizeof(long)) { 761 if(*fmt == 'U') 762 printf("%s%lu", spacer, *(unsigned long *)p); 763 else 764 printf("%s%ld", spacer, *(long *)p); 765 spacer = " "; 766 len -= sizeof(long); 767 p += sizeof(long); 768 } 769 goto done; 770 771 case 'P': 772 if (!nflag) 773 printf("%s%s", name, sep); 774 printf("%p", *(void **)p); 775 goto done; 776 777 case 'Q': 778 if (!nflag) 779 printf("%s%s", name, sep); 780 fmt++; 781 spacer = ""; 782 while (len >= sizeof(quad_t)) { 783 if(*fmt == 'U') { 784 printf("%s%ju", 785 spacer, (uintmax_t)*(u_quad_t *)p); 786 } else { 787 printf("%s%jd", 788 spacer, (intmax_t)*(quad_t *)p); 789 } 790 spacer = " "; 791 len -= sizeof(int64_t); 792 p += sizeof(int64_t); 793 } 794 goto done; 795 796 case 'T': 797 case 'S': 798 if (!oflag && !xflag) { 799 i = 0; 800 if (strcmp(fmt, "S,clockinfo") == 0) 801 func = S_clockinfo; 802 else if (strcmp(fmt, "S,timespec") == 0) 803 func = S_timespec; 804 else if (strcmp(fmt, "S,timeval") == 0) 805 func = S_timeval; 806 else if (strcmp(fmt, "S,loadavg") == 0) 807 func = S_loadavg; 808 else if (strcmp(fmt, "S,sensor") == 0) 809 func = S_sensor; 810 else if (strcmp(fmt, "T,dev_t") == 0) 811 func = T_dev_t; 812 else if (strcmp(fmt, "T,udev_t") == 0) 813 func = T_dev_t; 814 else 815 func = NULL; 816 if (func) { 817 if (!nflag) 818 printf("%s%s", name, sep); 819 error = (*func)(len, p); 820 goto done; 821 } 822 } 823 /* FALL THROUGH */ 824 default: 825 if (!oflag && !xflag) { 826 error = 1; 827 goto done; 828 } 829 if (!nflag) 830 printf("%s%s", name, sep); 831 printf("Format:%s Length:%zu Dump:0x", fmt, len); 832 while (len-- && (xflag || p < val + 16)) 833 printf("%02x", *p++); 834 if (!xflag && len > 16) 835 printf("..."); 836 goto done; 837 } 838 839 done: 840 if (val != NULL) 841 free(val); 842 return (error); 843 } 844 845 static int 846 sysctl_all(int *oid, size_t len) 847 { 848 int name1[22], name2[22]; 849 int retval; 850 size_t i, l1, l2; 851 852 name1[0] = 0; 853 name1[1] = 2; 854 l1 = 2; 855 if (len) { 856 memcpy(name1+2, oid, len * sizeof(int)); 857 l1 += len; 858 } else { 859 name1[2] = 1; 860 l1++; 861 } 862 for (;;) { 863 l2 = sizeof(name2); 864 retval = sysctl(name1, l1, name2, &l2, 0, 0); 865 if (retval < 0) { 866 if (errno == ENOENT) 867 return 0; 868 else 869 err(1, "sysctl(getnext) %d %zu", retval, l2); 870 } 871 872 l2 /= sizeof(int); 873 874 if (l2 < len) 875 return 0; 876 877 for (i = 0; i < len; i++) 878 if (name2[i] != oid[i]) 879 return 0; 880 881 retval = show_var(name2, l2); 882 if (retval == 0 && !bflag) 883 putchar('\n'); 884 885 memcpy(name1+2, name2, l2 * sizeof(int)); 886 l1 = 2 + l2; 887 } 888 } 889