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