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