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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1993 The Regents of the University of California. All rights reserved. 34 * @(#)from: sysctl.c 8.1 (Berkeley) 6/6/93 35 * $FreeBSD: src/sbin/sysctl/sysctl.c,v 1.25.2.11 2003/05/01 22:48:08 trhodes Exp $ 36 */ 37 38 #ifdef __i386__ 39 #include <sys/diskslice.h> /* used for bootdev parsing */ 40 #include <sys/reboot.h> /* used for bootdev parsing */ 41 #endif 42 #include <sys/types.h> 43 #include <sys/stat.h> 44 #include <sys/sysctl.h> 45 #include <sys/resource.h> 46 #include <sys/sensors.h> 47 #include <sys/param.h> 48 49 #include <machine/inttypes.h> 50 51 #include <ctype.h> 52 #include <err.h> 53 #include <errno.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <unistd.h> 58 59 static int aflag, bflag, dflag, eflag, Nflag, nflag, oflag, xflag; 60 61 static int oidfmt(int *, size_t, char *, u_int *); 62 static void parse(const char *); 63 static int show_var(int *, size_t); 64 static int sysctl_all(int *, size_t); 65 static void set_T_dev_t(const char *, void **, size_t *); 66 static int set_IK(const char *, int *); 67 68 static void 69 usage(void) 70 { 71 72 fprintf(stderr, "%s\n%s\n", 73 "usage: sysctl [-bdeNnox] variable[=value] ...", 74 " sysctl [-bdeNnox] -a"); 75 exit(1); 76 } 77 78 int 79 main(int argc, char **argv) 80 { 81 int ch; 82 setbuf(stdout,0); 83 setbuf(stderr,0); 84 85 while ((ch = getopt(argc, argv, "AabdeNnowxX")) != -1) { 86 switch (ch) { 87 case 'A': 88 /* compatibility */ 89 aflag = oflag = 1; 90 break; 91 case 'a': 92 aflag = 1; 93 break; 94 case 'b': 95 bflag = 1; 96 break; 97 case 'd': 98 dflag = 1; 99 break; 100 case 'e': 101 eflag = 1; 102 break; 103 case 'N': 104 Nflag = 1; 105 break; 106 case 'n': 107 nflag = 1; 108 break; 109 case 'o': 110 oflag = 1; 111 break; 112 case 'w': 113 /* compatibility */ 114 /* ignored */ 115 break; 116 case 'X': 117 /* compatibility */ 118 aflag = xflag = 1; 119 break; 120 case 'x': 121 xflag = 1; 122 break; 123 default: 124 usage(); 125 } 126 } 127 argc -= optind; 128 argv += optind; 129 130 if (Nflag && nflag) 131 usage(); 132 if (aflag && argc == 0) 133 exit(sysctl_all(0, 0)); 134 if (argc == 0) 135 usage(); 136 while (argc-- > 0) 137 parse(*argv++); 138 exit(0); 139 } 140 141 /* 142 * Parse a name into a MIB entry. 143 * Lookup and print out the MIB entry if it exists. 144 * Set a new value if requested. 145 */ 146 static void 147 parse(const char *string) 148 { 149 size_t len; 150 int i, j; 151 void *newval = NULL; 152 int intval; 153 unsigned int uintval; 154 long longval; 155 unsigned long ulongval; 156 size_t newsize = 0; 157 quad_t quadval; 158 u_quad_t uquadval; 159 int mib[CTL_MAXNAME]; 160 char *cp, fmt[BUFSIZ]; 161 const char *name; 162 char *name_allocated = NULL; 163 u_int kind; 164 165 if ((cp = strchr(string, '=')) != NULL) { 166 if ((name_allocated = malloc(cp - string + 1)) == NULL) 167 err(1, "malloc failed"); 168 strlcpy(name_allocated, string, cp - string + 1); 169 name = name_allocated; 170 171 while (isspace(*++cp)) 172 ; 173 174 newval = cp; 175 newsize = strlen(cp); 176 } else { 177 name = string; 178 } 179 180 len = CTL_MAXNAME; 181 if (sysctlnametomib(name, mib, &len) < 0) { 182 if (errno == ENOENT) { 183 errx(1, "unknown oid '%s'", name); 184 } else { 185 err(1, "sysctlnametomib(\"%s\")", name); 186 } 187 } 188 189 if (oidfmt(mib, len, fmt, &kind)) 190 err(1, "couldn't find format of oid '%s'", name); 191 192 if (newval == NULL) { 193 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 194 sysctl_all(mib, len); 195 } else { 196 i = show_var(mib, len); 197 if (!i && !bflag) 198 putchar('\n'); 199 } 200 } else { 201 if ((kind & CTLTYPE) == CTLTYPE_NODE) 202 errx(1, "oid '%s' isn't a leaf node", name); 203 204 if (!(kind&CTLFLAG_WR)) 205 errx(1, "oid '%s' is read only", name); 206 207 switch (kind & CTLTYPE) { 208 case CTLTYPE_INT: 209 if (!strcmp(fmt, "IK") == 0) { 210 if (!set_IK(newval, &intval)) 211 errx(1, "invalid value '%s'", 212 (char *)newval); 213 } else 214 intval = (int) strtol(newval, NULL, 0); 215 newval = &intval; 216 newsize = sizeof(intval); 217 break; 218 case CTLTYPE_UINT: 219 uintval = (int) strtoul(newval, NULL, 0); 220 newval = &uintval; 221 newsize = sizeof uintval; 222 break; 223 case CTLTYPE_LONG: 224 longval = strtol(newval, NULL, 0); 225 newval = &longval; 226 newsize = sizeof longval; 227 break; 228 case CTLTYPE_ULONG: 229 ulongval = strtoul(newval, NULL, 0); 230 newval = &ulongval; 231 newsize = sizeof ulongval; 232 break; 233 case CTLTYPE_STRING: 234 break; 235 case CTLTYPE_QUAD: 236 quadval = strtoq(newval, NULL, 0); 237 newval = &quadval; 238 newsize = sizeof(quadval); 239 break; 240 case CTLTYPE_UQUAD: 241 uquadval = strtouq(newval, NULL, 0); 242 newval = &uquadval; 243 newsize = sizeof(uquadval); 244 break; 245 case CTLTYPE_OPAQUE: 246 if (strcmp(fmt, "T,dev_t") == 0 || 247 strcmp(fmt, "T,udev_t") == 0 248 ) { 249 set_T_dev_t((char*)newval, &newval, 250 &newsize); 251 break; 252 } 253 /* FALLTHROUGH */ 254 default: 255 errx(1, "oid '%s' is type %d," 256 " cannot set that", name, 257 kind & CTLTYPE); 258 } 259 260 i = show_var(mib, len); 261 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 262 if (!i && !bflag) 263 putchar('\n'); 264 switch (errno) { 265 case EOPNOTSUPP: 266 errx(1, "%s: value is not available", 267 string); 268 case ENOTDIR: 269 errx(1, "%s: specification is incomplete", 270 string); 271 case ENOMEM: 272 errx(1, "%s: type is unknown to this program", 273 string); 274 default: 275 warn("%s", string); 276 return; 277 } 278 } 279 if (!bflag) 280 printf(" -> "); 281 i = nflag; 282 nflag = 1; 283 j = show_var(mib, len); 284 if (!j && !bflag) 285 putchar('\n'); 286 nflag = i; 287 } 288 289 if (name_allocated != NULL) 290 free(name_allocated); 291 } 292 293 /* These functions will dump out various interesting structures. */ 294 295 static int 296 S_clockinfo(int l2, void *p) 297 { 298 struct clockinfo *ci = (struct clockinfo*)p; 299 if (l2 != sizeof(*ci)) 300 err(1, "S_clockinfo %d != %zu", l2, sizeof(*ci)); 301 printf("{ hz = %d, tick = %d, tickadj = %d, profhz = %d, stathz = %d }", 302 ci->hz, ci->tick, ci->tickadj, ci->profhz, ci->stathz); 303 return (0); 304 } 305 306 static int 307 S_loadavg(int l2, void *p) 308 { 309 struct loadavg *tv = (struct loadavg*)p; 310 311 if (l2 != sizeof(*tv)) 312 err(1, "S_loadavg %d != %zu", l2, sizeof(*tv)); 313 314 printf("{ %.2f %.2f %.2f }", 315 (double)tv->ldavg[0]/(double)tv->fscale, 316 (double)tv->ldavg[1]/(double)tv->fscale, 317 (double)tv->ldavg[2]/(double)tv->fscale); 318 return (0); 319 } 320 321 static int 322 S_timespec(int l2, void *p) 323 { 324 struct timespec *ts = (struct timespec*)p; 325 time_t tv_sec; 326 char *p1, *p2; 327 328 if (l2 != sizeof(*ts)) 329 err(1, "S_timespec %d != %zu", l2, sizeof(*ts)); 330 printf("{ sec = %ld, nsec = %ld } ", 331 ts->tv_sec, ts->tv_nsec); 332 tv_sec = ts->tv_sec; 333 p1 = strdup(ctime(&tv_sec)); 334 for (p2=p1; *p2 ; p2++) 335 if (*p2 == '\n') 336 *p2 = '\0'; 337 fputs(p1, stdout); 338 return (0); 339 } 340 341 static int 342 S_timeval(int l2, void *p) 343 { 344 struct timeval *tv = (struct timeval*)p; 345 time_t tv_sec; 346 char *p1, *p2; 347 348 if (l2 != sizeof(*tv)) 349 err(1, "S_timeval %d != %zu", l2, sizeof(*tv)); 350 printf("{ sec = %ld, usec = %ld } ", 351 tv->tv_sec, tv->tv_usec); 352 tv_sec = tv->tv_sec; 353 p1 = strdup(ctime(&tv_sec)); 354 for (p2=p1; *p2 ; p2++) 355 if (*p2 == '\n') 356 *p2 = '\0'; 357 fputs(p1, stdout); 358 return (0); 359 } 360 361 static int 362 S_sensor(int l2, void *p) 363 { 364 struct sensor *s = (struct sensor *)p; 365 366 if (l2 != sizeof(*s)) { 367 warnx("S_sensor %d != %zu", l2, sizeof(*s)); 368 return (1); 369 } 370 371 if (s->flags & SENSOR_FINVALID) { 372 /* 373 * XXX: with this flag, the node should be entirely ignored, 374 * but as the magic-based sysctl(8) is not too flexible, we 375 * simply have to print out that the sensor is invalid. 376 */ 377 printf("invalid"); 378 return (0); 379 } 380 381 if (s->flags & SENSOR_FUNKNOWN) 382 printf("unknown"); 383 else { 384 switch (s->type) { 385 case SENSOR_TEMP: 386 printf("%.2f degC", 387 (s->value - 273150000) / 1000000.0); 388 break; 389 case SENSOR_FANRPM: 390 printf("%jd RPM", (intmax_t)s->value); 391 break; 392 case SENSOR_VOLTS_DC: 393 printf("%.2f VDC", s->value / 1000000.0); 394 break; 395 case SENSOR_AMPS: 396 printf("%.2f A", s->value / 1000000.0); 397 break; 398 case SENSOR_WATTHOUR: 399 printf("%.2f Wh", s->value / 1000000.0); 400 break; 401 case SENSOR_AMPHOUR: 402 printf("%.2f Ah", s->value / 1000000.0); 403 break; 404 case SENSOR_INDICATOR: 405 printf("%s", s->value ? "On" : "Off"); 406 break; 407 case SENSOR_INTEGER: 408 printf("%jd", (intmax_t)s->value); 409 break; 410 case SENSOR_PERCENT: 411 printf("%.2f%%", s->value / 1000.0); 412 break; 413 case SENSOR_LUX: 414 printf("%.2f lx", s->value / 1000000.0); 415 break; 416 case SENSOR_DRIVE: 417 { 418 const char *name; 419 420 switch (s->value) { 421 case SENSOR_DRIVE_EMPTY: 422 name = "empty"; 423 break; 424 case SENSOR_DRIVE_READY: 425 name = "ready"; 426 break; 427 case SENSOR_DRIVE_POWERUP: 428 name = "powering up"; 429 break; 430 case SENSOR_DRIVE_ONLINE: 431 name = "online"; 432 break; 433 case SENSOR_DRIVE_IDLE: 434 name = "idle"; 435 break; 436 case SENSOR_DRIVE_ACTIVE: 437 name = "active"; 438 break; 439 case SENSOR_DRIVE_REBUILD: 440 name = "rebuilding"; 441 break; 442 case SENSOR_DRIVE_POWERDOWN: 443 name = "powering down"; 444 break; 445 case SENSOR_DRIVE_FAIL: 446 name = "failed"; 447 break; 448 case SENSOR_DRIVE_PFAIL: 449 name = "degraded"; 450 break; 451 default: 452 name = "unknown"; 453 break; 454 } 455 printf(name); 456 break; 457 } 458 case SENSOR_TIMEDELTA: 459 printf("%.6f secs", s->value / 1000000000.0); 460 break; 461 default: 462 printf("unknown"); 463 } 464 } 465 466 if (s->desc[0] != '\0') 467 printf(" (%s)", s->desc); 468 469 switch (s->status) { 470 case SENSOR_S_UNSPEC: 471 break; 472 case SENSOR_S_OK: 473 printf(", OK"); 474 break; 475 case SENSOR_S_WARN: 476 printf(", WARNING"); 477 break; 478 case SENSOR_S_CRIT: 479 printf(", CRITICAL"); 480 break; 481 case SENSOR_S_UNKNOWN: 482 printf(", UNKNOWN"); 483 break; 484 } 485 486 if (s->tv.tv_sec) { 487 time_t t = s->tv.tv_sec; 488 char ct[26]; 489 490 ctime_r(&t, ct); 491 ct[19] = '\0'; 492 printf(", %s.%03ld", ct, s->tv.tv_usec / 1000); 493 } 494 495 return (0); 496 } 497 498 static int 499 T_dev_t(int l2, void *p) 500 { 501 dev_t *d = (dev_t *)p; 502 if (l2 != sizeof(*d)) 503 err(1, "T_dev_T %d != %zu", l2, sizeof(*d)); 504 if ((int)(*d) != -1) { 505 if (minor(*d) > 255 || minor(*d) < 0) 506 printf("{ major = %d, minor = 0x%x }", 507 major(*d), minor(*d)); 508 else 509 printf("{ major = %d, minor = %d }", 510 major(*d), minor(*d)); 511 } 512 return (0); 513 } 514 515 static void 516 set_T_dev_t(const char *path, void **val, size_t *size) 517 { 518 static struct stat statb; 519 520 if (strcmp(path, "none") && strcmp(path, "off")) { 521 int rc = stat (path, &statb); 522 if (rc) { 523 err(1, "cannot stat %s", path); 524 } 525 526 if (!S_ISCHR(statb.st_mode)) { 527 errx(1, "must specify a device special file."); 528 } 529 } else { 530 statb.st_rdev = NODEV; 531 } 532 *val = (char*) &statb.st_rdev; 533 *size = sizeof statb.st_rdev; 534 } 535 536 static int 537 set_IK(const char *str, int *val) 538 { 539 float temp; 540 int len, kelv; 541 const char *p; 542 char *endptr; 543 544 if ((len = strlen(str)) == 0) 545 return (0); 546 p = &str[len - 1]; 547 if (*p == 'C' || *p == 'F') { 548 temp = strtof(str, &endptr); 549 if (endptr == str || endptr != p) 550 return 0; 551 if (*p == 'F') 552 temp = (temp - 32) * 5 / 9; 553 kelv = temp * 10 + 2732; 554 } else { 555 /* 556 * I would like to just use, 0 but it would make numbers 557 * like '023' which were interpreted as decimal before 558 * suddenly interpreted as octal. 559 */ 560 if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) 561 kelv = (int)strtol(str, &endptr, 0); 562 else 563 kelv = (int)strtol(str, &endptr, 10); 564 if (endptr == str || *endptr != '\0') 565 return 0; 566 } 567 *val = kelv; 568 return 1; 569 } 570 571 /* 572 * These functions uses a presently undocumented interface to the kernel 573 * to walk the tree and get the type so it can print the value. 574 * This interface is under work and consideration, and should probably 575 * be killed with a big axe by the first person who can find the time. 576 * (be aware though, that the proper interface isn't as obvious as it 577 * may seem, there are various conflicting requirements. 578 */ 579 580 static int 581 oidfmt(int *oid, size_t len, char *fmt, u_int *kind) 582 { 583 int qoid[CTL_MAXNAME+2]; 584 u_char buf[BUFSIZ]; 585 int i; 586 size_t j; 587 588 qoid[0] = 0; 589 qoid[1] = 4; 590 memcpy(qoid + 2, oid, len * sizeof(int)); 591 592 j = sizeof(buf); 593 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 594 if (i) 595 err(1, "sysctl fmt %d %zu %d", i, j, errno); 596 597 if (kind) 598 *kind = *(u_int *)buf; 599 600 if (fmt) 601 strcpy(fmt, (char *)(buf + sizeof(u_int))); 602 return 0; 603 } 604 605 #ifdef __i386__ 606 /* 607 * Code to map a bootdev major number into a suitable device name. 608 * Major numbers are mapped into names as in boot2.c 609 */ 610 struct _foo { 611 int majdev; 612 const char *name; 613 } maj2name[] = { 614 { 30, "ad" }, 615 { 0, "wd" }, 616 { 1, "wfd" }, 617 { 2, "fd" }, 618 { 4, "da" }, 619 { -1, NULL } /* terminator */ 620 }; 621 622 static int 623 machdep_bootdev(u_long value) 624 { 625 int majdev, unit, slice, part; 626 struct _foo *p; 627 628 if ((value & B_MAGICMASK) != B_DEVMAGIC) { 629 printf("invalid (0x%08lx)", value); 630 return 0; 631 } 632 majdev = B_TYPE(value); 633 unit = B_UNIT(value); 634 slice = B_SLICE(value); 635 part = B_PARTITION(value); 636 if (majdev == 2) { /* floppy, as known to the boot block... */ 637 printf("/dev/fd%d", unit); 638 return 0; 639 } 640 for (p = maj2name; p->name != NULL && p->majdev != majdev ; p++) ; 641 if (p->name != NULL) { /* found */ 642 if (slice == WHOLE_DISK_SLICE) 643 printf("/dev/%s%d%c", p->name, unit, part); 644 else 645 printf("/dev/%s%ds%d%c", 646 p->name, unit, slice - BASE_SLICE + 1, part + 'a'); 647 } else 648 printf("unknown (major %d unit %d slice %d part %d)", 649 majdev, unit, slice, part); 650 return 0; 651 } 652 #endif 653 654 /* 655 * This formats and outputs the value of one variable 656 * 657 * Returns zero if anything was actually output. 658 * Returns one if didn't know what to do with this. 659 * Return minus one if we had errors. 660 */ 661 662 static int 663 show_var(int *oid, size_t nlen) 664 { 665 u_char buf[BUFSIZ], *val = NULL, *p, *nul; 666 char name[BUFSIZ], *fmt; 667 const char *sep, *spacer; 668 int qoid[CTL_MAXNAME+2]; 669 int i; 670 size_t j, len; 671 u_int kind; 672 int (*func)(int, void *); 673 int error = 0; 674 675 qoid[0] = 0; 676 memcpy(qoid + 2, oid, nlen * sizeof(int)); 677 678 qoid[1] = 1; 679 j = sizeof(name); 680 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 681 if (i || !j) 682 err(1, "sysctl name %d %zu %d", i, j, errno); 683 684 if (Nflag) { 685 printf("%s", name); 686 return (0); 687 } 688 689 if (eflag) 690 sep = "="; 691 else 692 sep = ": "; 693 694 if (dflag) { /* just print description */ 695 qoid[1] = 5; 696 j = sizeof(buf); 697 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 698 if (!nflag) 699 printf("%s%s", name, sep); 700 printf("%s", buf); 701 return(0); 702 } 703 /* find an estimate of how much we need for this var */ 704 j = 0; 705 i = sysctl(oid, nlen, 0, &j, 0, 0); 706 j += j; /* we want to be sure :-) */ 707 708 val = malloc(j + 1); 709 if (val == NULL) 710 return (1); 711 712 len = j; 713 i = sysctl(oid, nlen, val, &len, 0, 0); 714 if (i || !len) { 715 error = 1; 716 goto done; 717 } 718 719 if (bflag) { 720 fwrite(val, 1, len, stdout); 721 goto done; 722 } 723 724 val[len] = '\0'; 725 fmt = buf; 726 oidfmt(oid, nlen, fmt, &kind); 727 p = val; 728 switch (*fmt) { 729 case 'A': 730 if (!nflag) 731 printf("%s%s", name, sep); 732 nul = memchr(p, '\0', len); 733 fwrite(p, nul == NULL ? (int)len : nul - p, 1, stdout); 734 return (0); 735 736 case 'I': 737 if (!nflag) 738 printf("%s%s", name, sep); 739 fmt++; 740 spacer = ""; 741 while (len >= sizeof(int)) { 742 if(*fmt == 'U') 743 printf("%s%u", spacer, *(unsigned int *)p); 744 else if (*fmt == 'K' && *(int *)p >= 0) 745 printf("%s%.1fC", spacer, (*(int *)p - 2732) / 10.0); 746 else 747 printf("%s%d", spacer, *(int *)p); 748 spacer = " "; 749 len -= sizeof(int); 750 p += sizeof(int); 751 } 752 goto done; 753 754 case 'L': 755 if (!nflag) 756 printf("%s%s", name, sep); 757 fmt++; 758 #ifdef __i386__ 759 if (!strcmp(name, "machdep.guessed_bootdev")) 760 return machdep_bootdev(*(unsigned long *)p); 761 #endif 762 spacer = ""; 763 while (len >= sizeof(long)) { 764 if(*fmt == 'U') 765 printf("%s%lu", spacer, *(unsigned long *)p); 766 else 767 printf("%s%ld", spacer, *(long *)p); 768 spacer = " "; 769 len -= sizeof(long); 770 p += sizeof(long); 771 } 772 goto done; 773 774 case 'P': 775 if (!nflag) 776 printf("%s%s", name, sep); 777 printf("%p", *(void **)p); 778 goto done; 779 780 case 'Q': 781 if (!nflag) 782 printf("%s%s", name, sep); 783 fmt++; 784 spacer = ""; 785 while (len >= sizeof(quad_t)) { 786 if(*fmt == 'U') { 787 printf("%s%ju", 788 spacer, (uintmax_t)*(u_quad_t *)p); 789 } else { 790 printf("%s%jd", 791 spacer, (intmax_t)*(quad_t *)p); 792 } 793 spacer = " "; 794 len -= sizeof(int64_t); 795 p += sizeof(int64_t); 796 } 797 goto done; 798 799 case 'T': 800 case 'S': 801 if (!oflag && !xflag) { 802 i = 0; 803 if (strcmp(fmt, "S,clockinfo") == 0) 804 func = S_clockinfo; 805 else if (strcmp(fmt, "S,timespec") == 0) 806 func = S_timespec; 807 else if (strcmp(fmt, "S,timeval") == 0) 808 func = S_timeval; 809 else if (strcmp(fmt, "S,loadavg") == 0) 810 func = S_loadavg; 811 else if (strcmp(fmt, "S,sensor") == 0) 812 func = S_sensor; 813 else if (strcmp(fmt, "T,dev_t") == 0) 814 func = T_dev_t; 815 else if (strcmp(fmt, "T,udev_t") == 0) 816 func = T_dev_t; 817 else 818 func = NULL; 819 if (func) { 820 if (!nflag) 821 printf("%s%s", name, sep); 822 error = (*func)(len, p); 823 goto done; 824 } 825 } 826 /* FALL THROUGH */ 827 default: 828 if (!oflag && !xflag) { 829 error = 1; 830 goto done; 831 } 832 if (!nflag) 833 printf("%s%s", name, sep); 834 printf("Format:%s Length:%zu Dump:0x", fmt, len); 835 while (len-- && (xflag || p < val + 16)) 836 printf("%02x", *p++); 837 if (!xflag && len > 16) 838 printf("..."); 839 goto done; 840 } 841 842 done: 843 if (val != NULL) 844 free(val); 845 return (error); 846 } 847 848 static int 849 sysctl_all(int *oid, size_t len) 850 { 851 int name1[22], name2[22]; 852 int retval; 853 size_t i, l1, l2; 854 855 name1[0] = 0; 856 name1[1] = 2; 857 l1 = 2; 858 if (len) { 859 memcpy(name1+2, oid, len * sizeof(int)); 860 l1 += len; 861 } else { 862 name1[2] = 1; 863 l1++; 864 } 865 for (;;) { 866 l2 = sizeof(name2); 867 retval = sysctl(name1, l1, name2, &l2, 0, 0); 868 if (retval < 0) { 869 if (errno == ENOENT) 870 return 0; 871 else 872 err(1, "sysctl(getnext) %d %zu", retval, l2); 873 } 874 875 l2 /= sizeof(int); 876 877 if (l2 < len) 878 return 0; 879 880 for (i = 0; i < len; i++) 881 if (name2[i] != oid[i]) 882 return 0; 883 884 retval = show_var(name2, l2); 885 if (retval == 0 && !bflag) 886 putchar('\n'); 887 888 memcpy(name1+2, name2, l2 * sizeof(int)); 889 l1 = 2 + l2; 890 } 891 } 892