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