1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/time.h> 34 #include <sys/resource.h> 35 #include <sys/stat.h> 36 #include <sys/sysctl.h> 37 #include <sys/vmmeter.h> 38 #include <dev/evdev/input.h> 39 40 #ifdef __amd64__ 41 #include <sys/efi.h> 42 #include <machine/metadata.h> 43 #endif 44 45 #if defined(__amd64__) || defined(__i386__) 46 #include <machine/pc/bios.h> 47 #endif 48 49 #include <assert.h> 50 #include <ctype.h> 51 #include <err.h> 52 #include <errno.h> 53 #include <inttypes.h> 54 #include <locale.h> 55 #include <stdbool.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <sysexits.h> 60 #include <unistd.h> 61 62 static const char *conffile; 63 64 static int aflag, bflag, Bflag, dflag, eflag, hflag, iflag; 65 static int Nflag, nflag, oflag, qflag, tflag, Tflag, Wflag, xflag; 66 static bool Fflag, Jflag, lflag, Vflag; 67 68 static int oidfmt(int *, int, char *, u_int *); 69 static int parsefile(FILE *); 70 static int parse(const char *, int); 71 static int show_var(int *, int, bool); 72 static int sysctl_all(int *, int); 73 static int name2oid(const char *, int *); 74 75 static int strIKtoi(const char *, char **, const char *); 76 77 static int ctl_sign[CTLTYPE+1] = { 78 [CTLTYPE_INT] = 1, 79 [CTLTYPE_LONG] = 1, 80 [CTLTYPE_S8] = 1, 81 [CTLTYPE_S16] = 1, 82 [CTLTYPE_S32] = 1, 83 [CTLTYPE_S64] = 1, 84 }; 85 86 static int ctl_size[CTLTYPE+1] = { 87 [CTLTYPE_INT] = sizeof(int), 88 [CTLTYPE_UINT] = sizeof(u_int), 89 [CTLTYPE_LONG] = sizeof(long), 90 [CTLTYPE_ULONG] = sizeof(u_long), 91 [CTLTYPE_S8] = sizeof(int8_t), 92 [CTLTYPE_S16] = sizeof(int16_t), 93 [CTLTYPE_S32] = sizeof(int32_t), 94 [CTLTYPE_S64] = sizeof(int64_t), 95 [CTLTYPE_U8] = sizeof(uint8_t), 96 [CTLTYPE_U16] = sizeof(uint16_t), 97 [CTLTYPE_U32] = sizeof(uint32_t), 98 [CTLTYPE_U64] = sizeof(uint64_t), 99 }; 100 101 static const char *ctl_typename[CTLTYPE+1] = { 102 [CTLTYPE_INT] = "integer", 103 [CTLTYPE_UINT] = "unsigned integer", 104 [CTLTYPE_LONG] = "long integer", 105 [CTLTYPE_ULONG] = "unsigned long", 106 [CTLTYPE_U8] = "uint8_t", 107 [CTLTYPE_U16] = "uint16_t", 108 [CTLTYPE_U32] = "uint32_t", 109 [CTLTYPE_U64] = "uint64_t", 110 [CTLTYPE_S8] = "int8_t", 111 [CTLTYPE_S16] = "int16_t", 112 [CTLTYPE_S32] = "int32_t", 113 [CTLTYPE_S64] = "int64_t", 114 [CTLTYPE_NODE] = "node", 115 [CTLTYPE_STRING] = "string", 116 [CTLTYPE_OPAQUE] = "opaque", 117 }; 118 119 static void 120 usage(void) 121 { 122 123 (void)fprintf(stderr, "%s\n%s\n", 124 "usage: sysctl [-bdeFhiJlNnoqTtVWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 125 " sysctl [-bdeFhJlNnoqTtVWx] [ -B <bufsize> ] -a"); 126 exit(1); 127 } 128 129 int 130 main(int argc, char **argv) 131 { 132 int ch; 133 int warncount = 0; 134 FILE *file = NULL; 135 136 setlocale(LC_NUMERIC, ""); 137 setbuf(stdout,0); 138 setbuf(stderr,0); 139 140 while ((ch = getopt(argc, argv, "AaB:bdeFf:hiJlNnoqTtVWwXx")) != -1) { 141 switch (ch) { 142 case 'A': 143 /* compatibility */ 144 aflag = oflag = 1; 145 break; 146 case 'a': 147 aflag = 1; 148 break; 149 case 'B': 150 Bflag = strtol(optarg, NULL, 0); 151 break; 152 case 'b': 153 bflag = 1; 154 break; 155 case 'd': 156 dflag = 1; 157 break; 158 case 'e': 159 eflag = 1; 160 break; 161 case 'F': 162 Fflag = true; 163 break; 164 case 'f': 165 conffile = optarg; 166 break; 167 case 'h': 168 hflag = 1; 169 break; 170 case 'i': 171 iflag = 1; 172 break; 173 case 'J': 174 Jflag = true; 175 break; 176 case 'l': 177 lflag = true; 178 break; 179 case 'N': 180 Nflag = 1; 181 break; 182 case 'n': 183 nflag = 1; 184 break; 185 case 'o': 186 oflag = 1; 187 break; 188 case 'q': 189 qflag = 1; 190 break; 191 case 'T': 192 Tflag = 1; 193 break; 194 case 't': 195 tflag = 1; 196 break; 197 case 'V': 198 Vflag = true; 199 break; 200 case 'W': 201 Wflag = 1; 202 break; 203 case 'w': 204 /* compatibility */ 205 /* ignored */ 206 break; 207 case 'X': 208 /* compatibility */ 209 aflag = xflag = 1; 210 break; 211 case 'x': 212 xflag = 1; 213 break; 214 default: 215 usage(); 216 } 217 } 218 argc -= optind; 219 argv += optind; 220 221 /* Nflag is name only and doesn't make sense to combine with these */ 222 /* TODO: few other combinations do not make sense but come back later */ 223 if (Nflag && (lflag || nflag)) 224 usage(); 225 if (aflag && argc == 0) 226 exit(sysctl_all(NULL, 0)); 227 if (argc == 0 && conffile == NULL) 228 usage(); 229 230 if (conffile != NULL) { 231 file = fopen(conffile, "r"); 232 if (file == NULL) 233 err(EX_NOINPUT, "%s", conffile); 234 warncount += parsefile(file); 235 fclose(file); 236 } 237 238 while (argc-- > 0) 239 warncount += parse(*argv++, 0); 240 241 return (warncount); 242 } 243 244 /* 245 * Parse a single numeric value, append it to 'newbuf', and update 246 * 'newsize'. Returns true if the value was parsed and false if the 247 * value was invalid. Non-numeric types (strings) are handled 248 * directly in parse(). 249 */ 250 static bool 251 parse_numeric(const char *newvalstr, const char *fmt, u_int kind, 252 void **newbufp, size_t *newsizep) 253 { 254 void *newbuf; 255 const void *newval; 256 int8_t i8val; 257 uint8_t u8val; 258 int16_t i16val; 259 uint16_t u16val; 260 int32_t i32val; 261 uint32_t u32val; 262 int intval; 263 unsigned int uintval; 264 long longval; 265 unsigned long ulongval; 266 int64_t i64val; 267 uint64_t u64val; 268 size_t valsize; 269 char *endptr = NULL; 270 271 errno = 0; 272 273 switch (kind & CTLTYPE) { 274 case CTLTYPE_INT: 275 if (strncmp(fmt, "IK", 2) == 0) 276 intval = strIKtoi(newvalstr, &endptr, fmt); 277 else 278 intval = (int)strtol(newvalstr, &endptr, 0); 279 newval = &intval; 280 valsize = sizeof(intval); 281 break; 282 case CTLTYPE_UINT: 283 uintval = (int) strtoul(newvalstr, &endptr, 0); 284 newval = &uintval; 285 valsize = sizeof(uintval); 286 break; 287 case CTLTYPE_LONG: 288 longval = strtol(newvalstr, &endptr, 0); 289 newval = &longval; 290 valsize = sizeof(longval); 291 break; 292 case CTLTYPE_ULONG: 293 ulongval = strtoul(newvalstr, &endptr, 0); 294 newval = &ulongval; 295 valsize = sizeof(ulongval); 296 break; 297 case CTLTYPE_S8: 298 i8val = (int8_t)strtol(newvalstr, &endptr, 0); 299 newval = &i8val; 300 valsize = sizeof(i8val); 301 break; 302 case CTLTYPE_S16: 303 i16val = (int16_t)strtol(newvalstr, &endptr, 0); 304 newval = &i16val; 305 valsize = sizeof(i16val); 306 break; 307 case CTLTYPE_S32: 308 i32val = (int32_t)strtol(newvalstr, &endptr, 0); 309 newval = &i32val; 310 valsize = sizeof(i32val); 311 break; 312 case CTLTYPE_S64: 313 i64val = strtoimax(newvalstr, &endptr, 0); 314 newval = &i64val; 315 valsize = sizeof(i64val); 316 break; 317 case CTLTYPE_U8: 318 u8val = (uint8_t)strtoul(newvalstr, &endptr, 0); 319 newval = &u8val; 320 valsize = sizeof(u8val); 321 break; 322 case CTLTYPE_U16: 323 u16val = (uint16_t)strtoul(newvalstr, &endptr, 0); 324 newval = &u16val; 325 valsize = sizeof(u16val); 326 break; 327 case CTLTYPE_U32: 328 u32val = (uint32_t)strtoul(newvalstr, &endptr, 0); 329 newval = &u32val; 330 valsize = sizeof(u32val); 331 break; 332 case CTLTYPE_U64: 333 u64val = strtoumax(newvalstr, &endptr, 0); 334 newval = &u64val; 335 valsize = sizeof(u64val); 336 break; 337 default: 338 /* NOTREACHED */ 339 abort(); 340 } 341 342 if (errno != 0 || endptr == newvalstr || 343 (endptr != NULL && *endptr != '\0')) 344 return (false); 345 346 newbuf = realloc(*newbufp, *newsizep + valsize); 347 if (newbuf == NULL) 348 err(1, "out of memory"); 349 memcpy((char *)newbuf + *newsizep, newval, valsize); 350 *newbufp = newbuf; 351 *newsizep += valsize; 352 353 return (true); 354 } 355 356 /* 357 * Parse a name into a MIB entry. 358 * Lookup and print out the MIB entry if it exists. 359 * Set a new value if requested. 360 */ 361 static int 362 parse(const char *string, int lineno) 363 { 364 int len, i, j, save_errno; 365 const void *newval; 366 char *newvalstr = NULL; 367 void *newbuf; 368 size_t newsize = Bflag; 369 int mib[CTL_MAXNAME]; 370 char *cp, *bufp, *buf, fmt[BUFSIZ], line[BUFSIZ]; 371 u_int kind; 372 373 if (lineno) 374 snprintf(line, sizeof(line), " at line %d", lineno); 375 else 376 line[0] = '\0'; 377 378 /* 379 * Split the string into name and value. 380 * 381 * Either = or : may be used as the delimiter. 382 * Whitespace surrounding the delimiter is trimmed. 383 * Quotes around the value are stripped. 384 */ 385 cp = buf = strdup(string); 386 bufp = strsep(&cp, "=:"); 387 if (cp != NULL) { 388 /* Tflag just lists tunables, do not allow assignment */ 389 if (Tflag || Wflag) { 390 warnx("Can't set variables when using -T or -W"); 391 usage(); 392 } 393 /* Trim whitespace before the value. */ 394 while (isspace(*cp)) 395 cp++; 396 /* Strip a pair of " or ' if any. */ 397 switch (*cp) { 398 case '\"': 399 case '\'': 400 if (cp[strlen(cp) - 1] == *cp) 401 cp[strlen(cp) - 1] = '\0'; 402 cp++; 403 } 404 newvalstr = cp; 405 newsize = strlen(cp); 406 } 407 /* Trim whitespace after the name. */ 408 cp = bufp + strlen(bufp) - 1; 409 while (cp >= bufp && isspace((int)*cp)) { 410 *cp = '\0'; 411 cp--; 412 } 413 414 /* 415 * Check the name is a useable oid. 416 */ 417 len = name2oid(bufp, mib); 418 if (len < 0) { 419 if (iflag) { 420 free(buf); 421 return (0); 422 } 423 if (!qflag) { 424 if (errno == ENOENT) { 425 warnx("unknown oid '%s'%s", bufp, line); 426 } else { 427 warn("unknown oid '%s'%s", bufp, line); 428 } 429 } 430 free(buf); 431 return (1); 432 } 433 434 if (oidfmt(mib, len, fmt, &kind)) { 435 warn("couldn't find format of oid '%s'%s", bufp, line); 436 free(buf); 437 if (iflag) 438 return (1); 439 else 440 exit(1); 441 } 442 443 /* 444 * We have a useable oid to work with. If there is no value given, 445 * show the node and its children. Otherwise, set the new value. 446 */ 447 if (newvalstr == NULL || dflag) { 448 free(buf); 449 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 450 if (dflag) { 451 i = show_var(mib, len, false); 452 if (!i && !bflag) 453 putchar('\n'); 454 } 455 sysctl_all(mib, len); 456 } else { 457 i = show_var(mib, len, false); 458 if (!i && !bflag) 459 putchar('\n'); 460 } 461 return (0); 462 } 463 464 /* 465 * We have a new value to set. Check its validity and parse if numeric. 466 */ 467 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 468 warnx("oid '%s' isn't a leaf node%s", bufp, line); 469 free(buf); 470 return (1); 471 } 472 473 if (!(kind & CTLFLAG_WR)) { 474 if (kind & CTLFLAG_TUN) { 475 warnx("oid '%s' is a read only tunable%s", bufp, line); 476 warnx("Tunable values are set in /boot/loader.conf"); 477 } else 478 warnx("oid '%s' is read only%s", bufp, line); 479 free(buf); 480 return (1); 481 } 482 483 switch (kind & CTLTYPE) { 484 case CTLTYPE_INT: 485 case CTLTYPE_UINT: 486 case CTLTYPE_LONG: 487 case CTLTYPE_ULONG: 488 case CTLTYPE_S8: 489 case CTLTYPE_S16: 490 case CTLTYPE_S32: 491 case CTLTYPE_S64: 492 case CTLTYPE_U8: 493 case CTLTYPE_U16: 494 case CTLTYPE_U32: 495 case CTLTYPE_U64: 496 if (strlen(newvalstr) == 0) { 497 warnx("empty numeric value"); 498 free(buf); 499 return (1); 500 } 501 /* FALLTHROUGH */ 502 case CTLTYPE_STRING: 503 break; 504 default: 505 warnx("oid '%s' is type %d, cannot set that%s", 506 bufp, kind & CTLTYPE, line); 507 free(buf); 508 return (1); 509 } 510 511 newbuf = NULL; 512 513 switch (kind & CTLTYPE) { 514 case CTLTYPE_STRING: 515 newval = newvalstr; 516 break; 517 default: 518 newsize = 0; 519 while ((cp = strsep(&newvalstr, " ,")) != NULL) { 520 if (*cp == '\0') 521 continue; 522 if (!parse_numeric(cp, fmt, kind, &newbuf, &newsize)) { 523 warnx("invalid %s '%s'%s", 524 ctl_typename[kind & CTLTYPE], cp, line); 525 free(newbuf); 526 free(buf); 527 return (1); 528 } 529 } 530 newval = newbuf; 531 break; 532 } 533 534 /* 535 * Show the current value, then set and show the new value. 536 */ 537 i = show_var(mib, len, false); 538 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 539 save_errno = errno; 540 free(newbuf); 541 free(buf); 542 if (!i && !bflag) 543 putchar('\n'); 544 switch (save_errno) { 545 case EOPNOTSUPP: 546 warnx("%s: value is not available%s", 547 string, line); 548 return (1); 549 case ENOTDIR: 550 warnx("%s: specification is incomplete%s", 551 string, line); 552 return (1); 553 case ENOMEM: 554 warnx("%s: type is unknown to this program%s", 555 string, line); 556 return (1); 557 default: 558 warnc(save_errno, "%s%s", string, line); 559 return (1); 560 } 561 } 562 free(newbuf); 563 free(buf); 564 if (!bflag) 565 printf(" -> "); 566 i = nflag; 567 nflag = 1; 568 j = show_var(mib, len, false); 569 if (!j && !bflag) 570 putchar('\n'); 571 nflag = i; 572 573 return (0); 574 } 575 576 static int 577 parsefile(FILE *file) 578 { 579 char line[BUFSIZ], *p, *pq, *pdq; 580 int warncount = 0, lineno = 0; 581 582 while (fgets(line, sizeof(line), file) != NULL) { 583 lineno++; 584 p = line; 585 pq = strchr(line, '\''); 586 pdq = strchr(line, '\"'); 587 /* Replace the first # with \0. */ 588 while((p = strchr(p, '#')) != NULL) { 589 if (pq != NULL && p > pq) { 590 if ((p = strchr(pq+1, '\'')) != NULL) 591 *(++p) = '\0'; 592 break; 593 } else if (pdq != NULL && p > pdq) { 594 if ((p = strchr(pdq+1, '\"')) != NULL) 595 *(++p) = '\0'; 596 break; 597 } else if (p == line || *(p-1) != '\\') { 598 *p = '\0'; 599 break; 600 } 601 p++; 602 } 603 /* Trim spaces */ 604 p = line + strlen(line) - 1; 605 while (p >= line && isspace((int)*p)) { 606 *p = '\0'; 607 p--; 608 } 609 p = line; 610 while (isspace((int)*p)) 611 p++; 612 if (*p == '\0') 613 continue; 614 else 615 warncount += parse(p, lineno); 616 } 617 618 return (warncount); 619 } 620 621 /* These functions will dump out various interesting structures. */ 622 623 static int 624 S_clockinfo(size_t l2, void *p) 625 { 626 struct clockinfo *ci = (struct clockinfo*)p; 627 628 if (l2 != sizeof(*ci)) { 629 warnx("S_clockinfo %zu != %zu", l2, sizeof(*ci)); 630 return (1); 631 } 632 printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" : 633 "{ hz = %d, tick = %d, profhz = %d, stathz = %d }", 634 ci->hz, ci->tick, ci->profhz, ci->stathz); 635 return (0); 636 } 637 638 static int 639 S_loadavg(size_t l2, void *p) 640 { 641 struct loadavg *tv = (struct loadavg*)p; 642 643 if (l2 != sizeof(*tv)) { 644 warnx("S_loadavg %zu != %zu", l2, sizeof(*tv)); 645 return (1); 646 } 647 printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }", 648 (double)tv->ldavg[0]/(double)tv->fscale, 649 (double)tv->ldavg[1]/(double)tv->fscale, 650 (double)tv->ldavg[2]/(double)tv->fscale); 651 return (0); 652 } 653 654 static int 655 S_timeval(size_t l2, void *p) 656 { 657 struct timeval *tv = (struct timeval*)p; 658 time_t tv_sec; 659 char *p1, *p2; 660 661 if (l2 != sizeof(*tv)) { 662 warnx("S_timeval %zu != %zu", l2, sizeof(*tv)); 663 return (1); 664 } 665 printf(hflag ? "{ sec = %'jd, usec = %'ld } " : 666 "{ sec = %jd, usec = %ld } ", 667 (intmax_t)tv->tv_sec, tv->tv_usec); 668 tv_sec = tv->tv_sec; 669 p1 = strdup(ctime(&tv_sec)); 670 for (p2=p1; *p2 ; p2++) 671 if (*p2 == '\n') 672 *p2 = '\0'; 673 fputs(p1, stdout); 674 free(p1); 675 return (0); 676 } 677 678 static int 679 S_vmtotal(size_t l2, void *p) 680 { 681 struct vmtotal *v; 682 int pageKilo; 683 684 if (l2 != sizeof(*v)) { 685 warnx("S_vmtotal %zu != %zu", l2, sizeof(*v)); 686 return (1); 687 } 688 689 v = p; 690 pageKilo = getpagesize() / 1024; 691 692 #define pg2k(a) ((uintmax_t)(a) * pageKilo) 693 printf("\nSystem wide totals computed every five seconds:" 694 " (values in kilobytes)\n"); 695 printf("===============================================\n"); 696 printf("Processes:\t\t(RUNQ: %d Disk Wait: %d Page Wait: " 697 "%d Sleep: %d)\n", 698 v->t_rq, v->t_dw, v->t_pw, v->t_sl); 699 printf("Virtual Memory:\t\t(Total: %juK Active: %juK)\n", 700 pg2k(v->t_vm), pg2k(v->t_avm)); 701 printf("Real Memory:\t\t(Total: %juK Active: %juK)\n", 702 pg2k(v->t_rm), pg2k(v->t_arm)); 703 printf("Shared Virtual Memory:\t(Total: %juK Active: %juK)\n", 704 pg2k(v->t_vmshr), pg2k(v->t_avmshr)); 705 printf("Shared Real Memory:\t(Total: %juK Active: %juK)\n", 706 pg2k(v->t_rmshr), pg2k(v->t_armshr)); 707 printf("Free Memory:\t%juK", pg2k(v->t_free)); 708 return (0); 709 } 710 711 static int 712 S_input_id(size_t l2, void *p) 713 { 714 struct input_id *id = p; 715 716 if (l2 != sizeof(*id)) { 717 warnx("S_input_id %zu != %zu", l2, sizeof(*id)); 718 return (1); 719 } 720 721 printf("{ bustype = 0x%04x, vendor = 0x%04x, " 722 "product = 0x%04x, version = 0x%04x }", 723 id->bustype, id->vendor, id->product, id->version); 724 return (0); 725 } 726 727 static int 728 S_pagesizes(size_t l2, void *p) 729 { 730 char buf[256]; 731 u_long *ps; 732 size_t l; 733 int i; 734 735 l = snprintf(buf, sizeof(buf), "{ "); 736 ps = p; 737 for (i = 0; i * sizeof(*ps) < l2 && ps[i] != 0 && l < sizeof(buf); 738 i++) { 739 l += snprintf(&buf[l], sizeof(buf) - l, 740 "%s%lu", i == 0 ? "" : ", ", ps[i]); 741 } 742 if (l < sizeof(buf)) 743 (void)snprintf(&buf[l], sizeof(buf) - l, " }"); 744 745 printf("%s", buf); 746 747 return (0); 748 } 749 750 #ifdef __amd64__ 751 static int 752 S_efi_map(size_t l2, void *p) 753 { 754 struct efi_map_header *efihdr; 755 struct efi_md *map; 756 const char *type; 757 size_t efisz; 758 int ndesc, i; 759 760 static const char * const types[] = { 761 [EFI_MD_TYPE_NULL] = "Reserved", 762 [EFI_MD_TYPE_CODE] = "LoaderCode", 763 [EFI_MD_TYPE_DATA] = "LoaderData", 764 [EFI_MD_TYPE_BS_CODE] = "BootServicesCode", 765 [EFI_MD_TYPE_BS_DATA] = "BootServicesData", 766 [EFI_MD_TYPE_RT_CODE] = "RuntimeServicesCode", 767 [EFI_MD_TYPE_RT_DATA] = "RuntimeServicesData", 768 [EFI_MD_TYPE_FREE] = "ConventionalMemory", 769 [EFI_MD_TYPE_BAD] = "UnusableMemory", 770 [EFI_MD_TYPE_RECLAIM] = "ACPIReclaimMemory", 771 [EFI_MD_TYPE_FIRMWARE] = "ACPIMemoryNVS", 772 [EFI_MD_TYPE_IOMEM] = "MemoryMappedIO", 773 [EFI_MD_TYPE_IOPORT] = "MemoryMappedIOPortSpace", 774 [EFI_MD_TYPE_PALCODE] = "PalCode", 775 [EFI_MD_TYPE_PERSISTENT] = "PersistentMemory", 776 }; 777 778 /* 779 * Memory map data provided by UEFI via the GetMemoryMap 780 * Boot Services API. 781 */ 782 if (l2 < sizeof(*efihdr)) { 783 warnx("S_efi_map length less than header"); 784 return (1); 785 } 786 efihdr = p; 787 efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; 788 map = (struct efi_md *)((uint8_t *)efihdr + efisz); 789 790 if (efihdr->descriptor_size == 0) 791 return (0); 792 if (l2 != efisz + efihdr->memory_size) { 793 warnx("S_efi_map length mismatch %zu vs %zu", l2, efisz + 794 efihdr->memory_size); 795 return (1); 796 } 797 ndesc = efihdr->memory_size / efihdr->descriptor_size; 798 799 printf("\n%23s %12s %12s %8s %4s", 800 "Type", "Physical", "Virtual", "#Pages", "Attr"); 801 802 for (i = 0; i < ndesc; i++, 803 map = efi_next_descriptor(map, efihdr->descriptor_size)) { 804 type = NULL; 805 if (map->md_type < nitems(types)) 806 type = types[map->md_type]; 807 if (type == NULL) 808 type = "<INVALID>"; 809 printf("\n%23s %012jx %012jx %08jx ", type, 810 (uintmax_t)map->md_phys, (uintmax_t)map->md_virt, 811 (uintmax_t)map->md_pages); 812 if (map->md_attr & EFI_MD_ATTR_UC) 813 printf("UC "); 814 if (map->md_attr & EFI_MD_ATTR_WC) 815 printf("WC "); 816 if (map->md_attr & EFI_MD_ATTR_WT) 817 printf("WT "); 818 if (map->md_attr & EFI_MD_ATTR_WB) 819 printf("WB "); 820 if (map->md_attr & EFI_MD_ATTR_UCE) 821 printf("UCE "); 822 if (map->md_attr & EFI_MD_ATTR_WP) 823 printf("WP "); 824 if (map->md_attr & EFI_MD_ATTR_RP) 825 printf("RP "); 826 if (map->md_attr & EFI_MD_ATTR_XP) 827 printf("XP "); 828 if (map->md_attr & EFI_MD_ATTR_RT) 829 printf("RUNTIME"); 830 } 831 return (0); 832 } 833 #endif 834 835 #if defined(__amd64__) || defined(__i386__) 836 static int 837 S_bios_smap_xattr(size_t l2, void *p) 838 { 839 struct bios_smap_xattr *smap, *end; 840 841 if (l2 % sizeof(*smap) != 0) { 842 warnx("S_bios_smap_xattr %zu is not a multiple of %zu", l2, 843 sizeof(*smap)); 844 return (1); 845 } 846 847 end = (struct bios_smap_xattr *)((char *)p + l2); 848 for (smap = p; smap < end; smap++) 849 printf("\nSMAP type=%02x, xattr=%02x, base=%016jx, len=%016jx", 850 smap->type, smap->xattr, (uintmax_t)smap->base, 851 (uintmax_t)smap->length); 852 return (0); 853 } 854 #endif 855 856 static int 857 strIKtoi(const char *str, char **endptrp, const char *fmt) 858 { 859 int kelv; 860 float temp; 861 size_t len; 862 const char *p; 863 int prec, i; 864 865 assert(errno == 0); 866 867 len = strlen(str); 868 /* caller already checked this */ 869 assert(len > 0); 870 871 /* 872 * A format of "IK" is in deciKelvin. A format of "IK3" is in 873 * milliKelvin. The single digit following IK is log10 of the 874 * multiplying factor to convert Kelvin into the untis of this sysctl, 875 * or the dividing factor to convert the sysctl value to Kelvin. Numbers 876 * larger than 6 will run into precision issues with 32-bit integers. 877 * Characters that aren't ASCII digits after the 'K' are ignored. No 878 * localization is present because this is an interface from the kernel 879 * to this program (eg not an end-user interface), so isdigit() isn't 880 * used here. 881 */ 882 if (fmt[2] != '\0' && fmt[2] >= '0' && fmt[2] <= '9') 883 prec = fmt[2] - '0'; 884 else 885 prec = 1; 886 p = &str[len - 1]; 887 if (*p == 'C' || *p == 'F' || *p == 'K') { 888 temp = strtof(str, endptrp); 889 if (*endptrp != str && *endptrp == p && errno == 0) { 890 if (*p == 'F') 891 temp = (temp - 32) * 5 / 9; 892 *endptrp = NULL; 893 if (*p != 'K') 894 temp += 273.15; 895 for (i = 0; i < prec; i++) 896 temp *= 10.0; 897 return ((int)(temp + 0.5)); 898 } 899 } else { 900 /* No unit specified -> treat it as a raw number */ 901 kelv = (int)strtol(str, endptrp, 10); 902 if (*endptrp != str && *endptrp == p && errno == 0) { 903 *endptrp = NULL; 904 return (kelv); 905 } 906 } 907 908 errno = ERANGE; 909 return (0); 910 } 911 912 /* 913 * These functions uses a presently undocumented interface to the kernel 914 * to walk the tree and get the type so it can print the value. 915 * This interface is under work and consideration, and should probably 916 * be killed with a big axe by the first person who can find the time. 917 * (be aware though, that the proper interface isn't as obvious as it 918 * may seem, there are various conflicting requirements. 919 */ 920 921 static int 922 name2oid(const char *name, int *oidp) 923 { 924 int oid[2]; 925 int i; 926 size_t j; 927 928 oid[0] = CTL_SYSCTL; 929 oid[1] = CTL_SYSCTL_NAME2OID; 930 931 j = CTL_MAXNAME * sizeof(int); 932 i = sysctl(oid, 2, oidp, &j, name, strlen(name)); 933 if (i < 0) 934 return (i); 935 j /= sizeof(int); 936 return (j); 937 } 938 939 static int 940 oidfmt(int *oid, int len, char *fmt, u_int *kind) 941 { 942 int qoid[CTL_MAXNAME+2]; 943 u_char buf[BUFSIZ]; 944 int i; 945 size_t j; 946 947 qoid[0] = CTL_SYSCTL; 948 qoid[1] = CTL_SYSCTL_OIDFMT; 949 memcpy(qoid + 2, oid, len * sizeof(int)); 950 951 j = sizeof(buf); 952 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 953 if (i) 954 err(1, "sysctl fmt %d %zu %d", i, j, errno); 955 956 if (kind) 957 *kind = *(u_int *)buf; 958 959 if (fmt) 960 strcpy(fmt, (char *)(buf + sizeof(u_int))); 961 return (0); 962 } 963 964 /* 965 * This displays a combination of name, type, format, and/or description. 966 * 967 * Returns zero if anything was actually output. 968 * Returns one if there is an error. 969 */ 970 static int 971 show_info(char *name, const char *sep, int ctltype, char *fmt, int *qoid, int nlen) 972 { 973 u_char buf[BUFSIZ]; 974 const char *prntype; 975 int error = 0, i; 976 size_t j; 977 978 if (!nflag) 979 printf("%s%s", name, sep); 980 if (tflag) { 981 if (ctl_typename[ctltype] != NULL) 982 prntype = ctl_typename[ctltype]; 983 else { 984 prntype = "unknown"; 985 error++; 986 } 987 if (Fflag || dflag) 988 printf("%s%s", prntype, sep); 989 else 990 fputs(prntype, stdout); 991 } 992 if (Fflag) { 993 if (!isprint(fmt[0])) /* Few codes doesn't have formats */ 994 fmt = ""; 995 if (dflag) 996 printf("%s%s", fmt, sep); 997 else 998 fputs(fmt, stdout); 999 } 1000 if (!dflag) 1001 return (error); 1002 1003 qoid[1] = CTL_SYSCTL_OIDDESCR; 1004 bzero(buf, BUFSIZ); 1005 j = sizeof(buf); 1006 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 1007 if (i < 0) { 1008 putchar('\n'); 1009 return (1); 1010 } 1011 fputs(buf, stdout); 1012 return (error); 1013 } 1014 1015 /* 1016 * This formats and outputs the value of one variable 1017 * 1018 * Returns zero if anything was actually output. 1019 * Returns one if didn't know what to do with this. 1020 * Return minus one if we had errors. 1021 */ 1022 static int 1023 show_var(int *oid, int nlen, bool honor_skip) 1024 { 1025 static int skip_len = 0, skip_oid[CTL_MAXNAME]; 1026 u_char *val, *oval, *p; 1027 char name[BUFSIZ], fmt[BUFSIZ]; 1028 const char *sep, *sep1; 1029 int qoid[CTL_MAXNAME+2]; 1030 uintmax_t umv; 1031 intmax_t mv; 1032 int i, hexlen, sign, ctltype; 1033 size_t intlen; 1034 size_t j, len; 1035 u_int kind; 1036 float base; 1037 int (*func)(size_t, void *); 1038 int prec; 1039 1040 /* Silence GCC. */ 1041 umv = mv = intlen = 0; 1042 1043 bzero(fmt, BUFSIZ); 1044 bzero(name, BUFSIZ); 1045 qoid[0] = CTL_SYSCTL; 1046 qoid[1] = CTL_SYSCTL_NAME; 1047 memcpy(qoid + 2, oid, nlen * sizeof(int)); 1048 j = sizeof(name); 1049 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 1050 if (i || !j) 1051 err(1, "sysctl name %d %zu %d", i, j, errno); 1052 1053 oidfmt(oid, nlen, fmt, &kind); 1054 /* if Wflag then only list sysctls that are writeable and not stats. */ 1055 if (Wflag && ((kind & CTLFLAG_WR) == 0 || (kind & CTLFLAG_STATS) != 0)) 1056 return (1); 1057 1058 /* if Jflag then only list sysctls that are prison variables. */ 1059 if (Jflag && (kind & CTLFLAG_PRISON) == 0) 1060 return (1); 1061 1062 /* if Tflag then only list sysctls that are tuneables. */ 1063 if (Tflag && (kind & CTLFLAG_TUN) == 0) 1064 return (1); 1065 1066 /* if Vflag then only list sysctls that are vnet variables. */ 1067 if (Vflag && (kind & CTLFLAG_VNET) == 0) 1068 return (1); 1069 1070 if (Nflag) { 1071 printf("%s", name); 1072 return (0); 1073 } 1074 1075 if (eflag) 1076 sep = "="; 1077 else 1078 sep = ": "; 1079 1080 ctltype = (kind & CTLTYPE); 1081 if (tflag || Fflag || dflag) 1082 return show_info(name, sep, ctltype, fmt, qoid, nlen); 1083 1084 /* keep track of encountered skip nodes, ignoring descendants */ 1085 if ((skip_len == 0 || skip_len >= nlen * (int)sizeof(int)) && 1086 (kind & CTLFLAG_SKIP) != 0) { 1087 /* Save this oid so we can skip descendants. */ 1088 skip_len = nlen * sizeof(int); 1089 memcpy(skip_oid, oid, skip_len); 1090 } 1091 1092 /* bail before fetching the value if we're honoring skip */ 1093 if (honor_skip) { 1094 if (0 < skip_len && skip_len <= nlen * (int)sizeof(int) && 1095 memcmp(skip_oid, oid, skip_len) == 0) 1096 return (1); 1097 /* Not a skip node or descendant of a skip node. */ 1098 skip_len = 0; 1099 } 1100 1101 /* don't fetch opaques that we don't know how to print */ 1102 if (ctltype == CTLTYPE_OPAQUE) { 1103 if (strcmp(fmt, "S,clockinfo") == 0) 1104 func = S_clockinfo; 1105 else if (strcmp(fmt, "S,timeval") == 0) 1106 func = S_timeval; 1107 else if (strcmp(fmt, "S,loadavg") == 0) 1108 func = S_loadavg; 1109 else if (strcmp(fmt, "S,vmtotal") == 0) 1110 func = S_vmtotal; 1111 else if (strcmp(fmt, "S,input_id") == 0) 1112 func = S_input_id; 1113 else if (strcmp(fmt, "S,pagesizes") == 0) 1114 func = S_pagesizes; 1115 #ifdef __amd64__ 1116 else if (strcmp(fmt, "S,efi_map_header") == 0) 1117 func = S_efi_map; 1118 #endif 1119 #if defined(__amd64__) || defined(__i386__) 1120 else if (strcmp(fmt, "S,bios_smap_xattr") == 0) 1121 func = S_bios_smap_xattr; 1122 #endif 1123 else { 1124 func = NULL; 1125 if (!bflag && !oflag && !xflag) 1126 return (1); 1127 } 1128 } 1129 1130 /* find an estimate of how much we need for this var */ 1131 if (Bflag) 1132 j = Bflag; 1133 else { 1134 j = 0; 1135 i = sysctl(oid, nlen, 0, &j, 0, 0); 1136 j += j; /* we want to be sure :-) */ 1137 } 1138 1139 val = oval = malloc(j + 1); 1140 if (val == NULL) { 1141 warnx("malloc failed"); 1142 return (1); 1143 } 1144 len = j; 1145 i = sysctl(oid, nlen, val, &len, 0, 0); 1146 if (i != 0 || (len == 0 && ctltype != CTLTYPE_STRING)) { 1147 free(oval); 1148 return (1); 1149 } 1150 1151 if (bflag) { 1152 fwrite(val, 1, len, stdout); 1153 free(oval); 1154 return (0); 1155 } 1156 val[len] = '\0'; 1157 p = val; 1158 sign = ctl_sign[ctltype]; 1159 intlen = ctl_size[ctltype]; 1160 1161 switch (ctltype) { 1162 case CTLTYPE_STRING: 1163 if (!nflag) 1164 printf("%s%s", name, sep); 1165 if (lflag) 1166 printf("%zd%s", len, sep); 1167 printf("%.*s", (int)len, p); 1168 free(oval); 1169 return (0); 1170 1171 case CTLTYPE_INT: 1172 case CTLTYPE_UINT: 1173 case CTLTYPE_LONG: 1174 case CTLTYPE_ULONG: 1175 case CTLTYPE_S8: 1176 case CTLTYPE_S16: 1177 case CTLTYPE_S32: 1178 case CTLTYPE_S64: 1179 case CTLTYPE_U8: 1180 case CTLTYPE_U16: 1181 case CTLTYPE_U32: 1182 case CTLTYPE_U64: 1183 if (!nflag) 1184 printf("%s%s", name, sep); 1185 if (lflag) 1186 printf("%zd%s", len, sep); 1187 hexlen = 2 + (intlen * CHAR_BIT + 3) / 4; 1188 sep1 = ""; 1189 while (len >= intlen) { 1190 switch (kind & CTLTYPE) { 1191 case CTLTYPE_INT: 1192 case CTLTYPE_UINT: 1193 umv = *(u_int *)p; 1194 mv = *(int *)p; 1195 break; 1196 case CTLTYPE_LONG: 1197 case CTLTYPE_ULONG: 1198 umv = *(u_long *)p; 1199 mv = *(long *)p; 1200 break; 1201 case CTLTYPE_S8: 1202 case CTLTYPE_U8: 1203 umv = *(uint8_t *)p; 1204 mv = *(int8_t *)p; 1205 break; 1206 case CTLTYPE_S16: 1207 case CTLTYPE_U16: 1208 umv = *(uint16_t *)p; 1209 mv = *(int16_t *)p; 1210 break; 1211 case CTLTYPE_S32: 1212 case CTLTYPE_U32: 1213 umv = *(uint32_t *)p; 1214 mv = *(int32_t *)p; 1215 break; 1216 case CTLTYPE_S64: 1217 case CTLTYPE_U64: 1218 umv = *(uint64_t *)p; 1219 mv = *(int64_t *)p; 1220 break; 1221 } 1222 fputs(sep1, stdout); 1223 if (xflag) 1224 printf("%#0*jx", hexlen, umv); 1225 else if (!sign) 1226 printf(hflag ? "%'ju" : "%ju", umv); 1227 else if (fmt[1] == 'K') { 1228 if (mv < 0) 1229 printf("%jd", mv); 1230 else { 1231 /* 1232 * See strIKtoi for details on fmt. 1233 */ 1234 prec = 1; 1235 if (fmt[2] != '\0') 1236 prec = fmt[2] - '0'; 1237 base = 1.0; 1238 for (int i = 0; i < prec; i++) 1239 base *= 10.0; 1240 printf("%.*fC", prec, 1241 (float)mv / base - 273.15); 1242 } 1243 } else 1244 printf(hflag ? "%'jd" : "%jd", mv); 1245 sep1 = " "; 1246 len -= intlen; 1247 p += intlen; 1248 } 1249 free(oval); 1250 return (0); 1251 1252 case CTLTYPE_OPAQUE: 1253 i = 0; 1254 if (func) { 1255 if (!nflag) 1256 printf("%s%s", name, sep); 1257 if (lflag) 1258 printf("%zd%s", len, sep); 1259 i = (*func)(len, p); 1260 free(oval); 1261 return (i); 1262 } 1263 /* FALLTHROUGH */ 1264 default: 1265 if (!oflag && !xflag) { 1266 free(oval); 1267 return (1); 1268 } 1269 if (!nflag) 1270 printf("%s%s", name, sep); 1271 if (lflag) 1272 printf("%zd%s", len, sep); 1273 printf("Format:%s Length:%zu Dump:0x", fmt, len); 1274 while (len-- && (xflag || p < val + 16)) 1275 printf("%02x", *p++); 1276 if (!xflag && len > 16) 1277 printf("..."); 1278 free(oval); 1279 return (0); 1280 } 1281 free(oval); 1282 return (1); 1283 } 1284 1285 static int 1286 sysctl_all(int *oid, int len) 1287 { 1288 int name1[22], name2[22]; 1289 int i, j; 1290 size_t l1, l2; 1291 1292 name1[0] = CTL_SYSCTL; 1293 name1[1] = (oid != NULL || Nflag || dflag || tflag) ? 1294 CTL_SYSCTL_NEXTNOSKIP : CTL_SYSCTL_NEXT; 1295 l1 = 2; 1296 if (len) { 1297 memcpy(name1 + 2, oid, len * sizeof(int)); 1298 l1 += len; 1299 } else { 1300 name1[2] = CTL_KERN; 1301 l1++; 1302 } 1303 for (;;) { 1304 l2 = sizeof(name2); 1305 j = sysctl(name1, l1, name2, &l2, 0, 0); 1306 if (j < 0) { 1307 if (errno == ENOENT) 1308 return (0); 1309 else 1310 err(1, "sysctl(getnext) %d %zu", j, l2); 1311 } 1312 1313 l2 /= sizeof(int); 1314 1315 if (len < 0 || l2 < (unsigned int)len) 1316 return (0); 1317 1318 if (memcmp(name2, oid, len * sizeof(int)) != 0) 1319 return (0); 1320 1321 i = show_var(name2, l2, true); 1322 if (!i && !bflag) 1323 putchar('\n'); 1324 1325 memcpy(name1 + 2, name2, l2 * sizeof(int)); 1326 l1 = 2 + l2; 1327 } 1328 } 1329