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 #ifndef lint 33 static const char copyright[] = 34 "@(#) Copyright (c) 1993\n\ 35 The Regents of the University of California. All rights reserved.\n"; 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)from: sysctl.c 8.1 (Berkeley) 6/6/93"; 41 #endif 42 static const char rcsid[] = 43 "$FreeBSD$"; 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/time.h> 48 #include <sys/resource.h> 49 #include <sys/stat.h> 50 #include <sys/sysctl.h> 51 #include <sys/vmmeter.h> 52 #include <dev/evdev/input.h> 53 54 #ifdef __amd64__ 55 #include <sys/efi.h> 56 #include <machine/metadata.h> 57 #endif 58 59 #if defined(__amd64__) || defined(__i386__) 60 #include <machine/pc/bios.h> 61 #endif 62 63 #include <assert.h> 64 #include <ctype.h> 65 #include <err.h> 66 #include <errno.h> 67 #include <inttypes.h> 68 #include <locale.h> 69 #include <stdbool.h> 70 #include <stdio.h> 71 #include <stdlib.h> 72 #include <string.h> 73 #include <sysexits.h> 74 #include <unistd.h> 75 76 static const char *conffile; 77 78 static int aflag, bflag, Bflag, dflag, eflag, hflag, iflag; 79 static int Nflag, nflag, oflag, qflag, tflag, Tflag, Wflag, xflag; 80 81 static int oidfmt(int *, int, char *, u_int *); 82 static int parsefile(const char *); 83 static int parse(const char *, int); 84 static int show_var(int *, int); 85 static int sysctl_all(int *oid, int len); 86 static int name2oid(const char *, int *); 87 88 static int strIKtoi(const char *, char **, const char *); 89 90 static int ctl_sign[CTLTYPE+1] = { 91 [CTLTYPE_INT] = 1, 92 [CTLTYPE_LONG] = 1, 93 [CTLTYPE_S8] = 1, 94 [CTLTYPE_S16] = 1, 95 [CTLTYPE_S32] = 1, 96 [CTLTYPE_S64] = 1, 97 }; 98 99 static int ctl_size[CTLTYPE+1] = { 100 [CTLTYPE_INT] = sizeof(int), 101 [CTLTYPE_UINT] = sizeof(u_int), 102 [CTLTYPE_LONG] = sizeof(long), 103 [CTLTYPE_ULONG] = sizeof(u_long), 104 [CTLTYPE_S8] = sizeof(int8_t), 105 [CTLTYPE_S16] = sizeof(int16_t), 106 [CTLTYPE_S32] = sizeof(int32_t), 107 [CTLTYPE_S64] = sizeof(int64_t), 108 [CTLTYPE_U8] = sizeof(uint8_t), 109 [CTLTYPE_U16] = sizeof(uint16_t), 110 [CTLTYPE_U32] = sizeof(uint32_t), 111 [CTLTYPE_U64] = sizeof(uint64_t), 112 }; 113 114 static const char *ctl_typename[CTLTYPE+1] = { 115 [CTLTYPE_INT] = "integer", 116 [CTLTYPE_UINT] = "unsigned integer", 117 [CTLTYPE_LONG] = "long integer", 118 [CTLTYPE_ULONG] = "unsigned long", 119 [CTLTYPE_U8] = "uint8_t", 120 [CTLTYPE_U16] = "uint16_t", 121 [CTLTYPE_U32] = "uint32_t", 122 [CTLTYPE_U64] = "uint64_t", 123 [CTLTYPE_S8] = "int8_t", 124 [CTLTYPE_S16] = "int16_t", 125 [CTLTYPE_S32] = "int32_t", 126 [CTLTYPE_S64] = "int64_t", 127 [CTLTYPE_NODE] = "node", 128 [CTLTYPE_STRING] = "string", 129 [CTLTYPE_OPAQUE] = "opaque", 130 }; 131 132 static void 133 usage(void) 134 { 135 136 (void)fprintf(stderr, "%s\n%s\n", 137 "usage: sysctl [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 138 " sysctl [-bdehNnoqTtWx] [ -B <bufsize> ] -a"); 139 exit(1); 140 } 141 142 int 143 main(int argc, char **argv) 144 { 145 int ch; 146 int warncount = 0; 147 148 setlocale(LC_NUMERIC, ""); 149 setbuf(stdout,0); 150 setbuf(stderr,0); 151 152 while ((ch = getopt(argc, argv, "AabB:def:hiNnoqtTwWxX")) != -1) { 153 switch (ch) { 154 case 'A': 155 /* compatibility */ 156 aflag = oflag = 1; 157 break; 158 case 'a': 159 aflag = 1; 160 break; 161 case 'b': 162 bflag = 1; 163 break; 164 case 'B': 165 Bflag = strtol(optarg, NULL, 0); 166 break; 167 case 'd': 168 dflag = 1; 169 break; 170 case 'e': 171 eflag = 1; 172 break; 173 case 'f': 174 conffile = optarg; 175 break; 176 case 'h': 177 hflag = 1; 178 break; 179 case 'i': 180 iflag = 1; 181 break; 182 case 'N': 183 Nflag = 1; 184 break; 185 case 'n': 186 nflag = 1; 187 break; 188 case 'o': 189 oflag = 1; 190 break; 191 case 'q': 192 qflag = 1; 193 break; 194 case 't': 195 tflag = 1; 196 break; 197 case 'T': 198 Tflag = 1; 199 break; 200 case 'w': 201 /* compatibility */ 202 /* ignored */ 203 break; 204 case 'W': 205 Wflag = 1; 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 if (Nflag && nflag) 222 usage(); 223 if (aflag && argc == 0) 224 exit(sysctl_all(0, 0)); 225 if (argc == 0 && conffile == NULL) 226 usage(); 227 228 warncount = 0; 229 if (conffile != NULL) 230 warncount += parsefile(conffile); 231 232 while (argc-- > 0) 233 warncount += parse(*argv++, 0); 234 235 return (warncount); 236 } 237 238 /* 239 * Parse a single numeric value, append it to 'newbuf', and update 240 * 'newsize'. Returns true if the value was parsed and false if the 241 * value was invalid. Non-numeric types (strings) are handled 242 * directly in parse(). 243 */ 244 static bool 245 parse_numeric(const char *newvalstr, const char *fmt, u_int kind, 246 void **newbufp, size_t *newsizep) 247 { 248 void *newbuf; 249 const void *newval; 250 int8_t i8val; 251 uint8_t u8val; 252 int16_t i16val; 253 uint16_t u16val; 254 int32_t i32val; 255 uint32_t u32val; 256 int intval; 257 unsigned int uintval; 258 long longval; 259 unsigned long ulongval; 260 int64_t i64val; 261 uint64_t u64val; 262 size_t valsize; 263 char *endptr = NULL; 264 265 errno = 0; 266 267 switch (kind & CTLTYPE) { 268 case CTLTYPE_INT: 269 if (strncmp(fmt, "IK", 2) == 0) 270 intval = strIKtoi(newvalstr, &endptr, fmt); 271 else 272 intval = (int)strtol(newvalstr, &endptr, 0); 273 newval = &intval; 274 valsize = sizeof(intval); 275 break; 276 case CTLTYPE_UINT: 277 uintval = (int) strtoul(newvalstr, &endptr, 0); 278 newval = &uintval; 279 valsize = sizeof(uintval); 280 break; 281 case CTLTYPE_LONG: 282 longval = strtol(newvalstr, &endptr, 0); 283 newval = &longval; 284 valsize = sizeof(longval); 285 break; 286 case CTLTYPE_ULONG: 287 ulongval = strtoul(newvalstr, &endptr, 0); 288 newval = &ulongval; 289 valsize = sizeof(ulongval); 290 break; 291 case CTLTYPE_S8: 292 i8val = (int8_t)strtol(newvalstr, &endptr, 0); 293 newval = &i8val; 294 valsize = sizeof(i8val); 295 break; 296 case CTLTYPE_S16: 297 i16val = (int16_t)strtol(newvalstr, &endptr, 0); 298 newval = &i16val; 299 valsize = sizeof(i16val); 300 break; 301 case CTLTYPE_S32: 302 i32val = (int32_t)strtol(newvalstr, &endptr, 0); 303 newval = &i32val; 304 valsize = sizeof(i32val); 305 break; 306 case CTLTYPE_S64: 307 i64val = strtoimax(newvalstr, &endptr, 0); 308 newval = &i64val; 309 valsize = sizeof(i64val); 310 break; 311 case CTLTYPE_U8: 312 u8val = (uint8_t)strtoul(newvalstr, &endptr, 0); 313 newval = &u8val; 314 valsize = sizeof(u8val); 315 break; 316 case CTLTYPE_U16: 317 u16val = (uint16_t)strtoul(newvalstr, &endptr, 0); 318 newval = &u16val; 319 valsize = sizeof(u16val); 320 break; 321 case CTLTYPE_U32: 322 u32val = (uint32_t)strtoul(newvalstr, &endptr, 0); 323 newval = &u32val; 324 valsize = sizeof(u32val); 325 break; 326 case CTLTYPE_U64: 327 u64val = strtoumax(newvalstr, &endptr, 0); 328 newval = &u64val; 329 valsize = sizeof(u64val); 330 break; 331 default: 332 /* NOTREACHED */ 333 abort(); 334 } 335 336 if (errno != 0 || endptr == newvalstr || 337 (endptr != NULL && *endptr != '\0')) 338 return (false); 339 340 newbuf = realloc(*newbufp, *newsizep + valsize); 341 if (newbuf == NULL) 342 err(1, "out of memory"); 343 memcpy((char *)newbuf + *newsizep, newval, valsize); 344 *newbufp = newbuf; 345 *newsizep += valsize; 346 347 return (true); 348 } 349 350 /* 351 * Parse a name into a MIB entry. 352 * Lookup and print out the MIB entry if it exists. 353 * Set a new value if requested. 354 */ 355 static int 356 parse(const char *string, int lineno) 357 { 358 int len, i, j; 359 const void *newval; 360 char *newvalstr = NULL; 361 void *newbuf; 362 size_t newsize = Bflag; 363 int mib[CTL_MAXNAME]; 364 char *cp, *bufp, buf[BUFSIZ], fmt[BUFSIZ], line[BUFSIZ]; 365 u_int kind; 366 367 if (lineno) 368 snprintf(line, sizeof(line), " at line %d", lineno); 369 else 370 line[0] = '\0'; 371 372 cp = buf; 373 if (snprintf(buf, BUFSIZ, "%s", string) >= BUFSIZ) { 374 warnx("oid too long: '%s'%s", string, line); 375 return (1); 376 } 377 bufp = strsep(&cp, "=:"); 378 if (cp != NULL) { 379 /* Tflag just lists tunables, do not allow assignment */ 380 if (Tflag || Wflag) { 381 warnx("Can't set variables when using -T or -W"); 382 usage(); 383 } 384 while (isspace(*cp)) 385 cp++; 386 /* Strip a pair of " or ' if any. */ 387 switch (*cp) { 388 case '\"': 389 case '\'': 390 if (cp[strlen(cp) - 1] == *cp) 391 cp[strlen(cp) - 1] = '\0'; 392 cp++; 393 } 394 newvalstr = cp; 395 newsize = strlen(cp); 396 } 397 /* Trim spaces */ 398 cp = bufp + strlen(bufp) - 1; 399 while (cp >= bufp && isspace((int)*cp)) { 400 *cp = '\0'; 401 cp--; 402 } 403 len = name2oid(bufp, mib); 404 405 if (len < 0) { 406 if (iflag) 407 return (0); 408 if (qflag) 409 return (1); 410 else { 411 if (errno == ENOENT) { 412 warnx("unknown oid '%s'%s", bufp, line); 413 } else { 414 warn("unknown oid '%s'%s", bufp, line); 415 } 416 return (1); 417 } 418 } 419 420 if (oidfmt(mib, len, fmt, &kind)) { 421 warn("couldn't find format of oid '%s'%s", bufp, line); 422 if (iflag) 423 return (1); 424 else 425 exit(1); 426 } 427 428 if (newvalstr == NULL || dflag) { 429 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 430 if (dflag) { 431 i = show_var(mib, len); 432 if (!i && !bflag) 433 putchar('\n'); 434 } 435 sysctl_all(mib, len); 436 } else { 437 i = show_var(mib, len); 438 if (!i && !bflag) 439 putchar('\n'); 440 } 441 } else { 442 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 443 warnx("oid '%s' isn't a leaf node%s", bufp, line); 444 return (1); 445 } 446 447 if (!(kind & CTLFLAG_WR)) { 448 if (kind & CTLFLAG_TUN) { 449 warnx("oid '%s' is a read only tunable%s", bufp, line); 450 warnx("Tunable values are set in /boot/loader.conf"); 451 } else 452 warnx("oid '%s' is read only%s", bufp, line); 453 return (1); 454 } 455 456 switch (kind & CTLTYPE) { 457 case CTLTYPE_INT: 458 case CTLTYPE_UINT: 459 case CTLTYPE_LONG: 460 case CTLTYPE_ULONG: 461 case CTLTYPE_S8: 462 case CTLTYPE_S16: 463 case CTLTYPE_S32: 464 case CTLTYPE_S64: 465 case CTLTYPE_U8: 466 case CTLTYPE_U16: 467 case CTLTYPE_U32: 468 case CTLTYPE_U64: 469 if (strlen(newvalstr) == 0) { 470 warnx("empty numeric value"); 471 return (1); 472 } 473 /* FALLTHROUGH */ 474 case CTLTYPE_STRING: 475 break; 476 default: 477 warnx("oid '%s' is type %d," 478 " cannot set that%s", bufp, 479 kind & CTLTYPE, line); 480 return (1); 481 } 482 483 newbuf = NULL; 484 485 switch (kind & CTLTYPE) { 486 case CTLTYPE_STRING: 487 newval = newvalstr; 488 break; 489 default: 490 newsize = 0; 491 while ((cp = strsep(&newvalstr, " ,")) != NULL) { 492 if (*cp == '\0') 493 continue; 494 if (!parse_numeric(cp, fmt, kind, &newbuf, 495 &newsize)) { 496 warnx("invalid %s '%s'%s", 497 ctl_typename[kind & CTLTYPE], 498 cp, line); 499 free(newbuf); 500 return (1); 501 } 502 } 503 newval = newbuf; 504 break; 505 } 506 507 i = show_var(mib, len); 508 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 509 free(newbuf); 510 if (!i && !bflag) 511 putchar('\n'); 512 switch (errno) { 513 case EOPNOTSUPP: 514 warnx("%s: value is not available%s", 515 string, line); 516 return (1); 517 case ENOTDIR: 518 warnx("%s: specification is incomplete%s", 519 string, line); 520 return (1); 521 case ENOMEM: 522 warnx("%s: type is unknown to this program%s", 523 string, line); 524 return (1); 525 default: 526 warn("%s%s", string, line); 527 return (1); 528 } 529 } 530 free(newbuf); 531 if (!bflag) 532 printf(" -> "); 533 i = nflag; 534 nflag = 1; 535 j = show_var(mib, len); 536 if (!j && !bflag) 537 putchar('\n'); 538 nflag = i; 539 } 540 541 return (0); 542 } 543 544 static int 545 parsefile(const char *filename) 546 { 547 FILE *file; 548 char line[BUFSIZ], *p, *pq, *pdq; 549 int warncount = 0, lineno = 0; 550 551 file = fopen(filename, "r"); 552 if (file == NULL) 553 err(EX_NOINPUT, "%s", filename); 554 while (fgets(line, sizeof(line), file) != NULL) { 555 lineno++; 556 p = line; 557 pq = strchr(line, '\''); 558 pdq = strchr(line, '\"'); 559 /* Replace the first # with \0. */ 560 while((p = strchr(p, '#')) != NULL) { 561 if (pq != NULL && p > pq) { 562 if ((p = strchr(pq+1, '\'')) != NULL) 563 *(++p) = '\0'; 564 break; 565 } else if (pdq != NULL && p > pdq) { 566 if ((p = strchr(pdq+1, '\"')) != NULL) 567 *(++p) = '\0'; 568 break; 569 } else if (p == line || *(p-1) != '\\') { 570 *p = '\0'; 571 break; 572 } 573 p++; 574 } 575 /* Trim spaces */ 576 p = line + strlen(line) - 1; 577 while (p >= line && isspace((int)*p)) { 578 *p = '\0'; 579 p--; 580 } 581 p = line; 582 while (isspace((int)*p)) 583 p++; 584 if (*p == '\0') 585 continue; 586 else 587 warncount += parse(p, lineno); 588 } 589 fclose(file); 590 591 return (warncount); 592 } 593 594 /* These functions will dump out various interesting structures. */ 595 596 static int 597 S_clockinfo(size_t l2, void *p) 598 { 599 struct clockinfo *ci = (struct clockinfo*)p; 600 601 if (l2 != sizeof(*ci)) { 602 warnx("S_clockinfo %zu != %zu", l2, sizeof(*ci)); 603 return (1); 604 } 605 printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" : 606 "{ hz = %d, tick = %d, profhz = %d, stathz = %d }", 607 ci->hz, ci->tick, ci->profhz, ci->stathz); 608 return (0); 609 } 610 611 static int 612 S_loadavg(size_t l2, void *p) 613 { 614 struct loadavg *tv = (struct loadavg*)p; 615 616 if (l2 != sizeof(*tv)) { 617 warnx("S_loadavg %zu != %zu", l2, sizeof(*tv)); 618 return (1); 619 } 620 printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }", 621 (double)tv->ldavg[0]/(double)tv->fscale, 622 (double)tv->ldavg[1]/(double)tv->fscale, 623 (double)tv->ldavg[2]/(double)tv->fscale); 624 return (0); 625 } 626 627 static int 628 S_timeval(size_t l2, void *p) 629 { 630 struct timeval *tv = (struct timeval*)p; 631 time_t tv_sec; 632 char *p1, *p2; 633 634 if (l2 != sizeof(*tv)) { 635 warnx("S_timeval %zu != %zu", l2, sizeof(*tv)); 636 return (1); 637 } 638 printf(hflag ? "{ sec = %'jd, usec = %'ld } " : 639 "{ sec = %jd, usec = %ld } ", 640 (intmax_t)tv->tv_sec, tv->tv_usec); 641 tv_sec = tv->tv_sec; 642 p1 = strdup(ctime(&tv_sec)); 643 for (p2=p1; *p2 ; p2++) 644 if (*p2 == '\n') 645 *p2 = '\0'; 646 fputs(p1, stdout); 647 free(p1); 648 return (0); 649 } 650 651 static int 652 S_vmtotal(size_t l2, void *p) 653 { 654 struct vmtotal *v; 655 int pageKilo; 656 657 if (l2 != sizeof(*v)) { 658 warnx("S_vmtotal %zu != %zu", l2, sizeof(*v)); 659 return (1); 660 } 661 662 v = p; 663 pageKilo = getpagesize() / 1024; 664 665 #define pg2k(a) ((uintmax_t)(a) * pageKilo) 666 printf("\nSystem wide totals computed every five seconds:" 667 " (values in kilobytes)\n"); 668 printf("===============================================\n"); 669 printf("Processes:\t\t(RUNQ: %d Disk Wait: %d Page Wait: " 670 "%d Sleep: %d)\n", 671 v->t_rq, v->t_dw, v->t_pw, v->t_sl); 672 printf("Virtual Memory:\t\t(Total: %juK Active: %juK)\n", 673 pg2k(v->t_vm), pg2k(v->t_avm)); 674 printf("Real Memory:\t\t(Total: %juK Active: %juK)\n", 675 pg2k(v->t_rm), pg2k(v->t_arm)); 676 printf("Shared Virtual Memory:\t(Total: %juK Active: %juK)\n", 677 pg2k(v->t_vmshr), pg2k(v->t_avmshr)); 678 printf("Shared Real Memory:\t(Total: %juK Active: %juK)\n", 679 pg2k(v->t_rmshr), pg2k(v->t_armshr)); 680 printf("Free Memory:\t%juK", pg2k(v->t_free)); 681 return (0); 682 } 683 684 static int 685 S_input_id(size_t l2, void *p) 686 { 687 struct input_id *id = p; 688 689 if (l2 != sizeof(*id)) { 690 warnx("S_input_id %zu != %zu", l2, sizeof(*id)); 691 return (1); 692 } 693 694 printf("{ bustype = 0x%04x, vendor = 0x%04x, " 695 "product = 0x%04x, version = 0x%04x }", 696 id->bustype, id->vendor, id->product, id->version); 697 return (0); 698 } 699 700 #ifdef __amd64__ 701 static int 702 S_efi_map(size_t l2, void *p) 703 { 704 struct efi_map_header *efihdr; 705 struct efi_md *map; 706 const char *type; 707 size_t efisz; 708 int ndesc, i; 709 710 static const char * const types[] = { 711 [EFI_MD_TYPE_NULL] = "Reserved", 712 [EFI_MD_TYPE_CODE] = "LoaderCode", 713 [EFI_MD_TYPE_DATA] = "LoaderData", 714 [EFI_MD_TYPE_BS_CODE] = "BootServicesCode", 715 [EFI_MD_TYPE_BS_DATA] = "BootServicesData", 716 [EFI_MD_TYPE_RT_CODE] = "RuntimeServicesCode", 717 [EFI_MD_TYPE_RT_DATA] = "RuntimeServicesData", 718 [EFI_MD_TYPE_FREE] = "ConventionalMemory", 719 [EFI_MD_TYPE_BAD] = "UnusableMemory", 720 [EFI_MD_TYPE_RECLAIM] = "ACPIReclaimMemory", 721 [EFI_MD_TYPE_FIRMWARE] = "ACPIMemoryNVS", 722 [EFI_MD_TYPE_IOMEM] = "MemoryMappedIO", 723 [EFI_MD_TYPE_IOPORT] = "MemoryMappedIOPortSpace", 724 [EFI_MD_TYPE_PALCODE] = "PalCode", 725 [EFI_MD_TYPE_PERSISTENT] = "PersistentMemory", 726 }; 727 728 /* 729 * Memory map data provided by UEFI via the GetMemoryMap 730 * Boot Services API. 731 */ 732 if (l2 < sizeof(*efihdr)) { 733 warnx("S_efi_map length less than header"); 734 return (1); 735 } 736 efihdr = p; 737 efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; 738 map = (struct efi_md *)((uint8_t *)efihdr + efisz); 739 740 if (efihdr->descriptor_size == 0) 741 return (0); 742 if (l2 != efisz + efihdr->memory_size) { 743 warnx("S_efi_map length mismatch %zu vs %zu", l2, efisz + 744 efihdr->memory_size); 745 return (1); 746 } 747 ndesc = efihdr->memory_size / efihdr->descriptor_size; 748 749 printf("\n%23s %12s %12s %8s %4s", 750 "Type", "Physical", "Virtual", "#Pages", "Attr"); 751 752 for (i = 0; i < ndesc; i++, 753 map = efi_next_descriptor(map, efihdr->descriptor_size)) { 754 type = NULL; 755 if (map->md_type < nitems(types)) 756 type = types[map->md_type]; 757 if (type == NULL) 758 type = "<INVALID>"; 759 printf("\n%23s %012jx %12p %08jx ", type, 760 (uintmax_t)map->md_phys, map->md_virt, 761 (uintmax_t)map->md_pages); 762 if (map->md_attr & EFI_MD_ATTR_UC) 763 printf("UC "); 764 if (map->md_attr & EFI_MD_ATTR_WC) 765 printf("WC "); 766 if (map->md_attr & EFI_MD_ATTR_WT) 767 printf("WT "); 768 if (map->md_attr & EFI_MD_ATTR_WB) 769 printf("WB "); 770 if (map->md_attr & EFI_MD_ATTR_UCE) 771 printf("UCE "); 772 if (map->md_attr & EFI_MD_ATTR_WP) 773 printf("WP "); 774 if (map->md_attr & EFI_MD_ATTR_RP) 775 printf("RP "); 776 if (map->md_attr & EFI_MD_ATTR_XP) 777 printf("XP "); 778 if (map->md_attr & EFI_MD_ATTR_RT) 779 printf("RUNTIME"); 780 } 781 return (0); 782 } 783 #endif 784 785 #if defined(__amd64__) || defined(__i386__) 786 static int 787 S_bios_smap_xattr(size_t l2, void *p) 788 { 789 struct bios_smap_xattr *smap, *end; 790 791 if (l2 % sizeof(*smap) != 0) { 792 warnx("S_bios_smap_xattr %zu is not a multiple of %zu", l2, 793 sizeof(*smap)); 794 return (1); 795 } 796 797 end = (struct bios_smap_xattr *)((char *)p + l2); 798 for (smap = p; smap < end; smap++) 799 printf("\nSMAP type=%02x, xattr=%02x, base=%016jx, len=%016jx", 800 smap->type, smap->xattr, (uintmax_t)smap->base, 801 (uintmax_t)smap->length); 802 return (0); 803 } 804 #endif 805 806 static int 807 strIKtoi(const char *str, char **endptrp, const char *fmt) 808 { 809 int kelv; 810 float temp; 811 size_t len; 812 const char *p; 813 int prec, i; 814 815 assert(errno == 0); 816 817 len = strlen(str); 818 /* caller already checked this */ 819 assert(len > 0); 820 821 /* 822 * A format of "IK" is in deciKelvin. A format of "IK3" is in 823 * milliKelvin. The single digit following IK is log10 of the 824 * multiplying factor to convert Kelvin into the untis of this sysctl, 825 * or the dividing factor to convert the sysctl value to Kelvin. Numbers 826 * larger than 6 will run into precision issues with 32-bit integers. 827 * Characters that aren't ASCII digits after the 'K' are ignored. No 828 * localization is present because this is an interface from the kernel 829 * to this program (eg not an end-user interface), so isdigit() isn't 830 * used here. 831 */ 832 if (fmt[2] != '\0' && fmt[2] >= '0' && fmt[2] <= '9') 833 prec = fmt[2] - '0'; 834 else 835 prec = 1; 836 p = &str[len - 1]; 837 if (*p == 'C' || *p == 'F' || *p == 'K') { 838 temp = strtof(str, endptrp); 839 if (*endptrp != str && *endptrp == p && errno == 0) { 840 if (*p == 'F') 841 temp = (temp - 32) * 5 / 9; 842 *endptrp = NULL; 843 if (*p != 'K') 844 temp += 273.15; 845 for (i = 0; i < prec; i++) 846 temp *= 10.0; 847 return ((int)(temp + 0.5)); 848 } 849 } else { 850 /* No unit specified -> treat it as a raw number */ 851 kelv = (int)strtol(str, endptrp, 10); 852 if (*endptrp != str && *endptrp == p && errno == 0) { 853 *endptrp = NULL; 854 return (kelv); 855 } 856 } 857 858 errno = ERANGE; 859 return (0); 860 } 861 862 /* 863 * These functions uses a presently undocumented interface to the kernel 864 * to walk the tree and get the type so it can print the value. 865 * This interface is under work and consideration, and should probably 866 * be killed with a big axe by the first person who can find the time. 867 * (be aware though, that the proper interface isn't as obvious as it 868 * may seem, there are various conflicting requirements. 869 */ 870 871 static int 872 name2oid(const char *name, int *oidp) 873 { 874 int oid[2]; 875 int i; 876 size_t j; 877 878 oid[0] = 0; 879 oid[1] = 3; 880 881 j = CTL_MAXNAME * sizeof(int); 882 i = sysctl(oid, 2, oidp, &j, name, strlen(name)); 883 if (i < 0) 884 return (i); 885 j /= sizeof(int); 886 return (j); 887 } 888 889 static int 890 oidfmt(int *oid, int len, char *fmt, u_int *kind) 891 { 892 int qoid[CTL_MAXNAME+2]; 893 u_char buf[BUFSIZ]; 894 int i; 895 size_t j; 896 897 qoid[0] = 0; 898 qoid[1] = 4; 899 memcpy(qoid + 2, oid, len * sizeof(int)); 900 901 j = sizeof(buf); 902 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 903 if (i) 904 err(1, "sysctl fmt %d %zu %d", i, j, errno); 905 906 if (kind) 907 *kind = *(u_int *)buf; 908 909 if (fmt) 910 strcpy(fmt, (char *)(buf + sizeof(u_int))); 911 return (0); 912 } 913 914 /* 915 * This formats and outputs the value of one variable 916 * 917 * Returns zero if anything was actually output. 918 * Returns one if didn't know what to do with this. 919 * Return minus one if we had errors. 920 */ 921 static int 922 show_var(int *oid, int nlen) 923 { 924 u_char buf[BUFSIZ], *val, *oval, *p; 925 char name[BUFSIZ], fmt[BUFSIZ]; 926 const char *sep, *sep1, *prntype; 927 int qoid[CTL_MAXNAME+2]; 928 uintmax_t umv; 929 intmax_t mv; 930 int i, hexlen, sign, ctltype; 931 size_t intlen; 932 size_t j, len; 933 u_int kind; 934 float base; 935 int (*func)(size_t, void *); 936 int prec; 937 938 /* Silence GCC. */ 939 umv = mv = intlen = 0; 940 941 bzero(buf, BUFSIZ); 942 bzero(fmt, BUFSIZ); 943 bzero(name, BUFSIZ); 944 qoid[0] = 0; 945 memcpy(qoid + 2, oid, nlen * sizeof(int)); 946 947 qoid[1] = 1; 948 j = sizeof(name); 949 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 950 if (i || !j) 951 err(1, "sysctl name %d %zu %d", i, j, errno); 952 953 oidfmt(oid, nlen, fmt, &kind); 954 /* if Wflag then only list sysctls that are writeable and not stats. */ 955 if (Wflag && ((kind & CTLFLAG_WR) == 0 || (kind & CTLFLAG_STATS) != 0)) 956 return 1; 957 958 /* if Tflag then only list sysctls that are tuneables. */ 959 if (Tflag && (kind & CTLFLAG_TUN) == 0) 960 return 1; 961 962 if (Nflag) { 963 printf("%s", name); 964 return (0); 965 } 966 967 if (eflag) 968 sep = "="; 969 else 970 sep = ": "; 971 972 ctltype = (kind & CTLTYPE); 973 if (tflag || dflag) { 974 if (!nflag) 975 printf("%s%s", name, sep); 976 if (ctl_typename[ctltype] != NULL) 977 prntype = ctl_typename[ctltype]; 978 else 979 prntype = "unknown"; 980 if (tflag && dflag) 981 printf("%s%s", prntype, sep); 982 else if (tflag) { 983 printf("%s", prntype); 984 return (0); 985 } 986 qoid[1] = 5; 987 j = sizeof(buf); 988 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 989 printf("%s", buf); 990 return (0); 991 } 992 993 /* don't fetch opaques that we don't know how to print */ 994 if (ctltype == CTLTYPE_OPAQUE) { 995 if (strcmp(fmt, "S,clockinfo") == 0) 996 func = S_clockinfo; 997 else if (strcmp(fmt, "S,timeval") == 0) 998 func = S_timeval; 999 else if (strcmp(fmt, "S,loadavg") == 0) 1000 func = S_loadavg; 1001 else if (strcmp(fmt, "S,vmtotal") == 0) 1002 func = S_vmtotal; 1003 else if (strcmp(fmt, "S,input_id") == 0) 1004 func = S_input_id; 1005 #ifdef __amd64__ 1006 else if (strcmp(fmt, "S,efi_map_header") == 0) 1007 func = S_efi_map; 1008 #endif 1009 #if defined(__amd64__) || defined(__i386__) 1010 else if (strcmp(fmt, "S,bios_smap_xattr") == 0) 1011 func = S_bios_smap_xattr; 1012 #endif 1013 else { 1014 func = NULL; 1015 if (!bflag && !oflag && !xflag) 1016 return (1); 1017 } 1018 } 1019 1020 /* find an estimate of how much we need for this var */ 1021 if (Bflag) 1022 j = Bflag; 1023 else { 1024 j = 0; 1025 i = sysctl(oid, nlen, 0, &j, 0, 0); 1026 j += j; /* we want to be sure :-) */ 1027 } 1028 1029 val = oval = malloc(j + 1); 1030 if (val == NULL) { 1031 warnx("malloc failed"); 1032 return (1); 1033 } 1034 len = j; 1035 i = sysctl(oid, nlen, val, &len, 0, 0); 1036 if (i != 0 || (len == 0 && ctltype != CTLTYPE_STRING)) { 1037 free(oval); 1038 return (1); 1039 } 1040 1041 if (bflag) { 1042 fwrite(val, 1, len, stdout); 1043 free(oval); 1044 return (0); 1045 } 1046 val[len] = '\0'; 1047 p = val; 1048 sign = ctl_sign[ctltype]; 1049 intlen = ctl_size[ctltype]; 1050 1051 switch (ctltype) { 1052 case CTLTYPE_STRING: 1053 if (!nflag) 1054 printf("%s%s", name, sep); 1055 printf("%.*s", (int)len, p); 1056 free(oval); 1057 return (0); 1058 1059 case CTLTYPE_INT: 1060 case CTLTYPE_UINT: 1061 case CTLTYPE_LONG: 1062 case CTLTYPE_ULONG: 1063 case CTLTYPE_S8: 1064 case CTLTYPE_S16: 1065 case CTLTYPE_S32: 1066 case CTLTYPE_S64: 1067 case CTLTYPE_U8: 1068 case CTLTYPE_U16: 1069 case CTLTYPE_U32: 1070 case CTLTYPE_U64: 1071 if (!nflag) 1072 printf("%s%s", name, sep); 1073 hexlen = 2 + (intlen * CHAR_BIT + 3) / 4; 1074 sep1 = ""; 1075 while (len >= intlen) { 1076 switch (kind & CTLTYPE) { 1077 case CTLTYPE_INT: 1078 case CTLTYPE_UINT: 1079 umv = *(u_int *)p; 1080 mv = *(int *)p; 1081 break; 1082 case CTLTYPE_LONG: 1083 case CTLTYPE_ULONG: 1084 umv = *(u_long *)p; 1085 mv = *(long *)p; 1086 break; 1087 case CTLTYPE_S8: 1088 case CTLTYPE_U8: 1089 umv = *(uint8_t *)p; 1090 mv = *(int8_t *)p; 1091 break; 1092 case CTLTYPE_S16: 1093 case CTLTYPE_U16: 1094 umv = *(uint16_t *)p; 1095 mv = *(int16_t *)p; 1096 break; 1097 case CTLTYPE_S32: 1098 case CTLTYPE_U32: 1099 umv = *(uint32_t *)p; 1100 mv = *(int32_t *)p; 1101 break; 1102 case CTLTYPE_S64: 1103 case CTLTYPE_U64: 1104 umv = *(uint64_t *)p; 1105 mv = *(int64_t *)p; 1106 break; 1107 } 1108 fputs(sep1, stdout); 1109 if (xflag) 1110 printf("%#0*jx", hexlen, umv); 1111 else if (!sign) 1112 printf(hflag ? "%'ju" : "%ju", umv); 1113 else if (fmt[1] == 'K') { 1114 if (mv < 0) 1115 printf("%jd", mv); 1116 else { 1117 /* 1118 * See strIKtoi for details on fmt. 1119 */ 1120 prec = 1; 1121 if (fmt[2] != '\0') 1122 prec = fmt[2] - '0'; 1123 base = 1.0; 1124 for (int i = 0; i < prec; i++) 1125 base *= 10.0; 1126 printf("%.*fC", prec, 1127 (float)mv / base - 273.15); 1128 } 1129 } else 1130 printf(hflag ? "%'jd" : "%jd", mv); 1131 sep1 = " "; 1132 len -= intlen; 1133 p += intlen; 1134 } 1135 free(oval); 1136 return (0); 1137 1138 case CTLTYPE_OPAQUE: 1139 i = 0; 1140 if (func) { 1141 if (!nflag) 1142 printf("%s%s", name, sep); 1143 i = (*func)(len, p); 1144 free(oval); 1145 return (i); 1146 } 1147 /* FALLTHROUGH */ 1148 default: 1149 if (!oflag && !xflag) { 1150 free(oval); 1151 return (1); 1152 } 1153 if (!nflag) 1154 printf("%s%s", name, sep); 1155 printf("Format:%s Length:%zu Dump:0x", fmt, len); 1156 while (len-- && (xflag || p < val + 16)) 1157 printf("%02x", *p++); 1158 if (!xflag && len > 16) 1159 printf("..."); 1160 free(oval); 1161 return (0); 1162 } 1163 free(oval); 1164 return (1); 1165 } 1166 1167 static int 1168 sysctl_all(int *oid, int len) 1169 { 1170 int name1[22], name2[22]; 1171 int i, j; 1172 size_t l1, l2; 1173 1174 name1[0] = 0; 1175 name1[1] = 2; 1176 l1 = 2; 1177 if (len) { 1178 memcpy(name1+2, oid, len * sizeof(int)); 1179 l1 += len; 1180 } else { 1181 name1[2] = 1; 1182 l1++; 1183 } 1184 for (;;) { 1185 l2 = sizeof(name2); 1186 j = sysctl(name1, l1, name2, &l2, 0, 0); 1187 if (j < 0) { 1188 if (errno == ENOENT) 1189 return (0); 1190 else 1191 err(1, "sysctl(getnext) %d %zu", j, l2); 1192 } 1193 1194 l2 /= sizeof(int); 1195 1196 if (len < 0 || l2 < (unsigned int)len) 1197 return (0); 1198 1199 for (i = 0; i < len; i++) 1200 if (name2[i] != oid[i]) 1201 return (0); 1202 1203 i = show_var(name2, l2); 1204 if (!i && !bflag) 1205 putchar('\n'); 1206 1207 memcpy(name1+2, name2, l2 * sizeof(int)); 1208 l1 = 2 + l2; 1209 } 1210 } 1211