1 /* 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Derived from FreeBSD's sbin/sysctl/sysctl.c. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)from: sysctl.c 8.1 (Berkeley) 6/6/93"; 44 #endif 45 static const char rcsid[] = 46 "$FreeBSD$"; 47 #endif /* not lint */ 48 49 #ifndef FSTACK 50 #include <sys/param.h> 51 #include <sys/time.h> 52 #include <sys/resource.h> 53 #include <sys/stat.h> 54 #include <sys/sysctl.h> 55 #include <sys/vmmeter.h> 56 57 #ifdef __amd64__ 58 #include <sys/efi.h> 59 #include <machine/metadata.h> 60 #endif 61 62 #if defined(__amd64__) || defined(__i386__) 63 #include <machine/pc/bios.h> 64 #endif 65 66 #endif 67 68 #include <assert.h> 69 #include <ctype.h> 70 #include <err.h> 71 #include <errno.h> 72 #include <inttypes.h> 73 #include <locale.h> 74 #include <stdio.h> 75 #include <stdlib.h> 76 #include <string.h> 77 #include <sysexits.h> 78 #include <unistd.h> 79 80 #ifdef FSTACK 81 #include <time.h> 82 #include <limits.h> 83 84 #include "sys/sysctl.h" 85 #include "ff_ipc.h" 86 87 struct clockinfo { 88 int hz; /* clock frequency */ 89 int tick; /* micro-seconds per hz tick */ 90 int spare; 91 int stathz; /* statistics clock frequency */ 92 int profhz; /* profiling clock frequency */ 93 }; 94 95 struct loadavg { 96 __uint32_t ldavg[3]; 97 long fscale; 98 }; 99 100 /* Structure extended to include extended attribute field in ACPI 3.0. */ 101 struct bios_smap_xattr { 102 u_int64_t base; 103 u_int64_t length; 104 u_int32_t type; 105 u_int32_t xattr; 106 } __packed; 107 108 /* systemwide totals computed every five seconds */ 109 struct vmtotal { 110 int16_t t_rq; /* length of the run queue */ 111 int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ 112 int16_t t_pw; /* jobs in page wait */ 113 int16_t t_sl; /* jobs sleeping in core */ 114 int16_t t_sw; /* swapped out runnable/short block jobs */ 115 int32_t t_vm; /* total virtual memory */ 116 int32_t t_avm; /* active virtual memory */ 117 int32_t t_rm; /* total real memory in use */ 118 int32_t t_arm; /* active real memory */ 119 int32_t t_vmshr; /* shared virtual memory */ 120 int32_t t_avmshr; /* active shared virtual memory */ 121 int32_t t_rmshr; /* shared real memory */ 122 int32_t t_armshr; /* active shared real memory */ 123 int32_t t_free; /* free memory pages */ 124 }; 125 126 struct efi_md { 127 uint32_t md_type; 128 #define EFI_MD_TYPE_NULL 0 129 #define EFI_MD_TYPE_CODE 1 /* Loader text. */ 130 #define EFI_MD_TYPE_DATA 2 /* Loader data. */ 131 #define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 132 #define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 133 #define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 134 #define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 135 #define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 136 #define EFI_MD_TYPE_BAD 8 /* Bad memory */ 137 #define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 138 #define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 139 #define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 140 #define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 141 #define EFI_MD_TYPE_PALCODE 13 /* PAL */ 142 uint32_t __pad; 143 uint64_t md_phys; 144 void *md_virt; 145 uint64_t md_pages; 146 uint64_t md_attr; 147 #define EFI_MD_ATTR_UC 0x0000000000000001UL 148 #define EFI_MD_ATTR_WC 0x0000000000000002UL 149 #define EFI_MD_ATTR_WT 0x0000000000000004UL 150 #define EFI_MD_ATTR_WB 0x0000000000000008UL 151 #define EFI_MD_ATTR_UCE 0x0000000000000010UL 152 #define EFI_MD_ATTR_WP 0x0000000000001000UL 153 #define EFI_MD_ATTR_RP 0x0000000000002000UL 154 #define EFI_MD_ATTR_XP 0x0000000000004000UL 155 #define EFI_MD_ATTR_RT 0x8000000000000000UL 156 }; 157 158 struct efi_map_header { 159 uint64_t memory_size; 160 uint64_t descriptor_size; 161 uint32_t descriptor_version; 162 }; 163 164 #endif 165 166 static const char *conffile; 167 168 static int aflag, bflag, Bflag, dflag, eflag, hflag, iflag; 169 static int Nflag, nflag, oflag, qflag, tflag, Tflag, Wflag, xflag; 170 171 static int oidfmt(int *, int, char *, u_int *); 172 static int parsefile(const char *); 173 static int parse(const char *, int); 174 static int show_var(int *, int); 175 static int sysctl_all(int *oid, int len); 176 static int name2oid(const char *, int *); 177 178 static int strIKtoi(const char *, char **, const char *); 179 180 static int ctl_sign[CTLTYPE+1] = { 181 [CTLTYPE_INT] = 1, 182 [CTLTYPE_LONG] = 1, 183 [CTLTYPE_S8] = 1, 184 [CTLTYPE_S16] = 1, 185 [CTLTYPE_S32] = 1, 186 [CTLTYPE_S64] = 1, 187 }; 188 189 static int ctl_size[CTLTYPE+1] = { 190 [CTLTYPE_INT] = sizeof(int), 191 [CTLTYPE_UINT] = sizeof(u_int), 192 [CTLTYPE_LONG] = sizeof(long), 193 [CTLTYPE_ULONG] = sizeof(u_long), 194 [CTLTYPE_S8] = sizeof(int8_t), 195 [CTLTYPE_S16] = sizeof(int16_t), 196 [CTLTYPE_S32] = sizeof(int32_t), 197 [CTLTYPE_S64] = sizeof(int64_t), 198 [CTLTYPE_U8] = sizeof(uint8_t), 199 [CTLTYPE_U16] = sizeof(uint16_t), 200 [CTLTYPE_U32] = sizeof(uint32_t), 201 [CTLTYPE_U64] = sizeof(uint64_t), 202 }; 203 204 static const char *ctl_typename[CTLTYPE+1] = { 205 [CTLTYPE_INT] = "integer", 206 [CTLTYPE_UINT] = "unsigned integer", 207 [CTLTYPE_LONG] = "long integer", 208 [CTLTYPE_ULONG] = "unsigned long", 209 [CTLTYPE_U8] = "uint8_t", 210 [CTLTYPE_U16] = "uint16_t", 211 [CTLTYPE_U32] = "uint16_t", 212 [CTLTYPE_U64] = "uint64_t", 213 [CTLTYPE_S8] = "int8_t", 214 [CTLTYPE_S16] = "int16_t", 215 [CTLTYPE_S32] = "int32_t", 216 [CTLTYPE_S64] = "int64_t", 217 [CTLTYPE_NODE] = "node", 218 [CTLTYPE_STRING] = "string", 219 [CTLTYPE_OPAQUE] = "opaque", 220 }; 221 222 static void 223 usage(void) 224 { 225 226 #ifndef FSTACK 227 (void)fprintf(stderr, "%s\n%s\n", 228 "usage: sysctl [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 229 " sysctl [-bdehNnoqTtWx] [ -B <bufsize> ] -a"); 230 #else 231 (void)fprintf(stderr, "%s\n%s\n", 232 "usage: sysctl -p <f-stack proc_id> [-bdehiNnoqTtWx] [ -B <bufsize> ] [-f filename] name[=value] ...", 233 " sysctl -p <f-stack proc_id> [-bdehNnoqTtWx] [ -B <bufsize> ] -a"); 234 #endif 235 exit(1); 236 } 237 238 int 239 main(int argc, char **argv) 240 { 241 int ch; 242 int warncount = 0; 243 244 ff_ipc_init(); 245 246 setlocale(LC_NUMERIC, ""); 247 setbuf(stdout,0); 248 setbuf(stderr,0); 249 250 #ifndef FSTACK 251 while ((ch = getopt(argc, argv, "AabB:def:hiNnoqtTwWxX")) != -1) { 252 #else 253 while ((ch = getopt(argc, argv, "AabB:def:hiNnoqtTwWxXp:")) != -1) { 254 #endif 255 switch (ch) { 256 case 'A': 257 /* compatibility */ 258 aflag = oflag = 1; 259 break; 260 case 'a': 261 aflag = 1; 262 break; 263 case 'b': 264 bflag = 1; 265 break; 266 case 'B': 267 Bflag = strtol(optarg, NULL, 0); 268 break; 269 case 'd': 270 dflag = 1; 271 break; 272 case 'e': 273 eflag = 1; 274 break; 275 case 'f': 276 conffile = optarg; 277 break; 278 case 'h': 279 hflag = 1; 280 break; 281 case 'i': 282 iflag = 1; 283 break; 284 case 'N': 285 Nflag = 1; 286 break; 287 case 'n': 288 nflag = 1; 289 break; 290 case 'o': 291 oflag = 1; 292 break; 293 case 'q': 294 qflag = 1; 295 break; 296 case 't': 297 tflag = 1; 298 break; 299 case 'T': 300 Tflag = 1; 301 break; 302 case 'w': 303 /* compatibility */ 304 /* ignored */ 305 break; 306 case 'W': 307 Wflag = 1; 308 break; 309 case 'X': 310 /* compatibility */ 311 aflag = xflag = 1; 312 break; 313 case 'x': 314 xflag = 1; 315 break; 316 #ifdef FSTACK 317 case 'p': 318 ff_set_proc_id(atoi(optarg)); 319 break; 320 #endif 321 default: 322 usage(); 323 } 324 } 325 argc -= optind; 326 argv += optind; 327 328 if (Nflag && nflag) 329 usage(); 330 if (aflag && argc == 0) 331 exit(sysctl_all(0, 0)); 332 if (argc == 0 && conffile == NULL) 333 usage(); 334 335 warncount = 0; 336 if (conffile != NULL) 337 warncount += parsefile(conffile); 338 339 while (argc-- > 0) 340 warncount += parse(*argv++, 0); 341 342 return (warncount); 343 } 344 345 /* 346 * Parse a name into a MIB entry. 347 * Lookup and print out the MIB entry if it exists. 348 * Set a new value if requested. 349 */ 350 static int 351 parse(const char *string, int lineno) 352 { 353 int len, i, j; 354 const void *newval; 355 const char *newvalstr = NULL; 356 int8_t i8val; 357 uint8_t u8val; 358 int16_t i16val; 359 uint16_t u16val; 360 int32_t i32val; 361 uint32_t u32val; 362 int intval; 363 unsigned int uintval; 364 long longval; 365 unsigned long ulongval; 366 size_t newsize = Bflag; 367 int64_t i64val; 368 uint64_t u64val; 369 int mib[CTL_MAXNAME]; 370 char *cp, *bufp, buf[BUFSIZ], *endptr = NULL, fmt[BUFSIZ], line[BUFSIZ]; 371 u_int kind; 372 373 if (lineno) 374 snprintf(line, sizeof(line), " at line %d", lineno); 375 else 376 line[0] = '\0'; 377 378 cp = buf; 379 if (snprintf(buf, BUFSIZ, "%s", string) >= BUFSIZ) { 380 warnx("oid too long: '%s'%s", string, line); 381 return (1); 382 } 383 bufp = strsep(&cp, "=:"); 384 if (cp != NULL) { 385 /* Tflag just lists tunables, do not allow assignment */ 386 if (Tflag || Wflag) { 387 warnx("Can't set variables when using -T or -W"); 388 usage(); 389 } 390 while (isspace(*cp)) 391 cp++; 392 /* Strip a pair of " or ' if any. */ 393 switch (*cp) { 394 case '\"': 395 case '\'': 396 if (cp[strlen(cp) - 1] == *cp) 397 cp[strlen(cp) - 1] = '\0'; 398 cp++; 399 } 400 newvalstr = cp; 401 newsize = strlen(cp); 402 } 403 /* Trim spaces */ 404 cp = bufp + strlen(bufp) - 1; 405 while (cp >= bufp && isspace((int)*cp)) { 406 *cp = '\0'; 407 cp--; 408 } 409 len = name2oid(bufp, mib); 410 411 if (len < 0) { 412 if (iflag) 413 return (0); 414 if (qflag) 415 return (1); 416 else { 417 if (errno == ENOENT) { 418 warnx("unknown oid '%s'%s", bufp, line); 419 } else { 420 warn("unknown oid '%s'%s", bufp, line); 421 } 422 return (1); 423 } 424 } 425 426 if (oidfmt(mib, len, fmt, &kind)) { 427 warn("couldn't find format of oid '%s'%s", bufp, line); 428 if (iflag) 429 return (1); 430 else 431 exit(1); 432 } 433 434 if (newvalstr == NULL || dflag) { 435 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 436 if (dflag) { 437 i = show_var(mib, len); 438 if (!i && !bflag) 439 putchar('\n'); 440 } 441 sysctl_all(mib, len); 442 } else { 443 i = show_var(mib, len); 444 if (!i && !bflag) 445 putchar('\n'); 446 } 447 } else { 448 if ((kind & CTLTYPE) == CTLTYPE_NODE) { 449 warnx("oid '%s' isn't a leaf node%s", bufp, line); 450 return (1); 451 } 452 453 if (!(kind & CTLFLAG_WR)) { 454 if (kind & CTLFLAG_TUN) { 455 warnx("oid '%s' is a read only tunable%s", bufp, line); 456 warnx("Tunable values are set in /boot/loader.conf"); 457 } else 458 warnx("oid '%s' is read only%s", bufp, line); 459 return (1); 460 } 461 462 switch (kind & CTLTYPE) { 463 case CTLTYPE_INT: 464 case CTLTYPE_UINT: 465 case CTLTYPE_LONG: 466 case CTLTYPE_ULONG: 467 case CTLTYPE_S8: 468 case CTLTYPE_S16: 469 case CTLTYPE_S32: 470 case CTLTYPE_S64: 471 case CTLTYPE_U8: 472 case CTLTYPE_U16: 473 case CTLTYPE_U32: 474 case CTLTYPE_U64: 475 if (strlen(newvalstr) == 0) { 476 warnx("empty numeric value"); 477 return (1); 478 } 479 /* FALLTHROUGH */ 480 case CTLTYPE_STRING: 481 break; 482 default: 483 warnx("oid '%s' is type %d," 484 " cannot set that%s", bufp, 485 kind & CTLTYPE, line); 486 return (1); 487 } 488 489 errno = 0; 490 491 switch (kind & CTLTYPE) { 492 case CTLTYPE_INT: 493 if (strncmp(fmt, "IK", 2) == 0) 494 intval = strIKtoi(newvalstr, &endptr, fmt); 495 else 496 intval = (int)strtol(newvalstr, &endptr, 497 0); 498 newval = &intval; 499 newsize = sizeof(intval); 500 break; 501 case CTLTYPE_UINT: 502 uintval = (int) strtoul(newvalstr, &endptr, 0); 503 newval = &uintval; 504 newsize = sizeof(uintval); 505 break; 506 case CTLTYPE_LONG: 507 longval = strtol(newvalstr, &endptr, 0); 508 newval = &longval; 509 newsize = sizeof(longval); 510 break; 511 case CTLTYPE_ULONG: 512 ulongval = strtoul(newvalstr, &endptr, 0); 513 newval = &ulongval; 514 newsize = sizeof(ulongval); 515 break; 516 case CTLTYPE_STRING: 517 newval = newvalstr; 518 break; 519 case CTLTYPE_S8: 520 i8val = (int8_t)strtol(newvalstr, &endptr, 0); 521 newval = &i8val; 522 newsize = sizeof(i8val); 523 break; 524 case CTLTYPE_S16: 525 i16val = (int16_t)strtol(newvalstr, &endptr, 526 0); 527 newval = &i16val; 528 newsize = sizeof(i16val); 529 break; 530 case CTLTYPE_S32: 531 i32val = (int32_t)strtol(newvalstr, &endptr, 532 0); 533 newval = &i32val; 534 newsize = sizeof(i32val); 535 break; 536 case CTLTYPE_S64: 537 i64val = strtoimax(newvalstr, &endptr, 0); 538 newval = &i64val; 539 newsize = sizeof(i64val); 540 break; 541 case CTLTYPE_U8: 542 u8val = (uint8_t)strtoul(newvalstr, &endptr, 0); 543 newval = &u8val; 544 newsize = sizeof(u8val); 545 break; 546 case CTLTYPE_U16: 547 u16val = (uint16_t)strtoul(newvalstr, &endptr, 548 0); 549 newval = &u16val; 550 newsize = sizeof(u16val); 551 break; 552 case CTLTYPE_U32: 553 u32val = (uint32_t)strtoul(newvalstr, &endptr, 554 0); 555 newval = &u32val; 556 newsize = sizeof(u32val); 557 break; 558 case CTLTYPE_U64: 559 u64val = strtoumax(newvalstr, &endptr, 0); 560 newval = &u64val; 561 newsize = sizeof(u64val); 562 break; 563 default: 564 /* NOTREACHED */ 565 abort(); 566 } 567 568 if (errno != 0 || endptr == newvalstr || 569 (endptr != NULL && *endptr != '\0')) { 570 warnx("invalid %s '%s'%s", ctl_typename[kind & CTLTYPE], 571 newvalstr, line); 572 return (1); 573 } 574 575 i = show_var(mib, len); 576 if (sysctl(mib, len, 0, 0, newval, newsize) == -1) { 577 if (!i && !bflag) 578 putchar('\n'); 579 switch (errno) { 580 case EOPNOTSUPP: 581 warnx("%s: value is not available%s", 582 string, line); 583 return (1); 584 case ENOTDIR: 585 warnx("%s: specification is incomplete%s", 586 string, line); 587 return (1); 588 case ENOMEM: 589 warnx("%s: type is unknown to this program%s", 590 string, line); 591 return (1); 592 default: 593 warn("%s%s", string, line); 594 return (1); 595 } 596 } 597 if (!bflag) 598 printf(" -> "); 599 i = nflag; 600 nflag = 1; 601 j = show_var(mib, len); 602 if (!j && !bflag) 603 putchar('\n'); 604 nflag = i; 605 } 606 607 return (0); 608 } 609 610 static int 611 parsefile(const char *filename) 612 { 613 FILE *file; 614 char line[BUFSIZ], *p, *pq, *pdq; 615 int warncount = 0, lineno = 0; 616 617 file = fopen(filename, "r"); 618 if (file == NULL) 619 err(EX_NOINPUT, "%s", filename); 620 while (fgets(line, sizeof(line), file) != NULL) { 621 lineno++; 622 p = line; 623 pq = strchr(line, '\''); 624 pdq = strchr(line, '\"'); 625 /* Replace the first # with \0. */ 626 while((p = strchr(p, '#')) != NULL) { 627 if (pq != NULL && p > pq) { 628 if ((p = strchr(pq+1, '\'')) != NULL) 629 *(++p) = '\0'; 630 break; 631 } else if (pdq != NULL && p > pdq) { 632 if ((p = strchr(pdq+1, '\"')) != NULL) 633 *(++p) = '\0'; 634 break; 635 } else if (p == line || *(p-1) != '\\') { 636 *p = '\0'; 637 break; 638 } 639 p++; 640 } 641 /* Trim spaces */ 642 p = line + strlen(line) - 1; 643 while (p >= line && isspace((int)*p)) { 644 *p = '\0'; 645 p--; 646 } 647 p = line; 648 while (isspace((int)*p)) 649 p++; 650 if (*p == '\0') 651 continue; 652 else 653 warncount += parse(p, lineno); 654 } 655 fclose(file); 656 657 return (warncount); 658 } 659 660 /* These functions will dump out various interesting structures. */ 661 662 static int 663 S_clockinfo(size_t l2, void *p) 664 { 665 struct clockinfo *ci = (struct clockinfo*)p; 666 667 if (l2 != sizeof(*ci)) { 668 warnx("S_clockinfo %zu != %zu", l2, sizeof(*ci)); 669 return (1); 670 } 671 printf(hflag ? "{ hz = %'d, tick = %'d, profhz = %'d, stathz = %'d }" : 672 "{ hz = %d, tick = %d, profhz = %d, stathz = %d }", 673 ci->hz, ci->tick, ci->profhz, ci->stathz); 674 return (0); 675 } 676 677 static int 678 S_loadavg(size_t l2, void *p) 679 { 680 struct loadavg *tv = (struct loadavg*)p; 681 682 if (l2 != sizeof(*tv)) { 683 warnx("S_loadavg %zu != %zu", l2, sizeof(*tv)); 684 return (1); 685 } 686 printf(hflag ? "{ %'.2f %'.2f %'.2f }" : "{ %.2f %.2f %.2f }", 687 (double)tv->ldavg[0]/(double)tv->fscale, 688 (double)tv->ldavg[1]/(double)tv->fscale, 689 (double)tv->ldavg[2]/(double)tv->fscale); 690 return (0); 691 } 692 693 static int 694 S_timeval(size_t l2, void *p) 695 { 696 struct timeval *tv = (struct timeval*)p; 697 time_t tv_sec; 698 char *p1, *p2; 699 700 if (l2 != sizeof(*tv)) { 701 warnx("S_timeval %zu != %zu", l2, sizeof(*tv)); 702 return (1); 703 } 704 printf(hflag ? "{ sec = %'jd, usec = %'ld } " : 705 "{ sec = %jd, usec = %ld } ", 706 (intmax_t)tv->tv_sec, tv->tv_usec); 707 tv_sec = tv->tv_sec; 708 p1 = strdup(ctime(&tv_sec)); 709 for (p2=p1; *p2 ; p2++) 710 if (*p2 == '\n') 711 *p2 = '\0'; 712 fputs(p1, stdout); 713 free(p1); 714 return (0); 715 } 716 717 static int 718 S_vmtotal(size_t l2, void *p) 719 { 720 struct vmtotal *v = (struct vmtotal *)p; 721 int pageKilo = getpagesize() / 1024; 722 723 if (l2 != sizeof(*v)) { 724 warnx("S_vmtotal %zu != %zu", l2, sizeof(*v)); 725 return (1); 726 } 727 728 printf( 729 "\nSystem wide totals computed every five seconds:" 730 " (values in kilobytes)\n"); 731 printf("===============================================\n"); 732 printf( 733 "Processes:\t\t(RUNQ: %hd Disk Wait: %hd Page Wait: " 734 "%hd Sleep: %hd)\n", 735 v->t_rq, v->t_dw, v->t_pw, v->t_sl); 736 printf( 737 "Virtual Memory:\t\t(Total: %jdK Active: %jdK)\n", 738 (intmax_t)v->t_vm * pageKilo, (intmax_t)v->t_avm * pageKilo); 739 printf("Real Memory:\t\t(Total: %jdK Active: %jdK)\n", 740 (intmax_t)v->t_rm * pageKilo, (intmax_t)v->t_arm * pageKilo); 741 printf("Shared Virtual Memory:\t(Total: %jdK Active: %jdK)\n", 742 (intmax_t)v->t_vmshr * pageKilo, (intmax_t)v->t_avmshr * pageKilo); 743 printf("Shared Real Memory:\t(Total: %jdK Active: %jdK)\n", 744 (intmax_t)v->t_rmshr * pageKilo, (intmax_t)v->t_armshr * pageKilo); 745 printf("Free Memory:\t%jdK", (intmax_t)v->t_free * pageKilo); 746 747 return (0); 748 } 749 750 #ifdef __amd64__ 751 #define efi_next_descriptor(ptr, size) \ 752 ((struct efi_md *)(((uint8_t *) ptr) + size)) 753 754 static int 755 S_efi_map(size_t l2, void *p) 756 { 757 struct efi_map_header *efihdr; 758 struct efi_md *map; 759 const char *type; 760 size_t efisz; 761 int ndesc, i; 762 763 static const char *types[] = { 764 "Reserved", 765 "LoaderCode", 766 "LoaderData", 767 "BootServicesCode", 768 "BootServicesData", 769 "RuntimeServicesCode", 770 "RuntimeServicesData", 771 "ConventionalMemory", 772 "UnusableMemory", 773 "ACPIReclaimMemory", 774 "ACPIMemoryNVS", 775 "MemoryMappedIO", 776 "MemoryMappedIOPortSpace", 777 "PalCode" 778 }; 779 780 /* 781 * Memory map data provided by UEFI via the GetMemoryMap 782 * Boot Services API. 783 */ 784 if (l2 < sizeof(*efihdr)) { 785 warnx("S_efi_map length less than header"); 786 return (1); 787 } 788 efihdr = p; 789 efisz = (sizeof(struct efi_map_header) + 0xf) & ~0xf; 790 map = (struct efi_md *)((uint8_t *)efihdr + efisz); 791 792 if (efihdr->descriptor_size == 0) 793 return (0); 794 if (l2 != efisz + efihdr->memory_size) { 795 warnx("S_efi_map length mismatch %zu vs %zu", l2, efisz + 796 efihdr->memory_size); 797 return (1); 798 } 799 ndesc = efihdr->memory_size / efihdr->descriptor_size; 800 801 printf("\n%23s %12s %12s %8s %4s", 802 "Type", "Physical", "Virtual", "#Pages", "Attr"); 803 804 for (i = 0; i < ndesc; i++, 805 map = efi_next_descriptor(map, efihdr->descriptor_size)) { 806 if (map->md_type <= EFI_MD_TYPE_PALCODE) 807 type = types[map->md_type]; 808 else 809 type = "<INVALID>"; 810 printf("\n%23s %012lx %12p %08lx ", type, map->md_phys, 811 map->md_virt, map->md_pages); 812 if (map->md_attr & EFI_MD_ATTR_UC) 813 printf("UC "); 814 if (map->md_attr & EFI_MD_ATTR_WC) 815 printf("WC "); 816 if (map->md_attr & EFI_MD_ATTR_WT) 817 printf("WT "); 818 if (map->md_attr & EFI_MD_ATTR_WB) 819 printf("WB "); 820 if (map->md_attr & EFI_MD_ATTR_UCE) 821 printf("UCE "); 822 if (map->md_attr & EFI_MD_ATTR_WP) 823 printf("WP "); 824 if (map->md_attr & EFI_MD_ATTR_RP) 825 printf("RP "); 826 if (map->md_attr & EFI_MD_ATTR_XP) 827 printf("XP "); 828 if (map->md_attr & EFI_MD_ATTR_RT) 829 printf("RUNTIME"); 830 } 831 return (0); 832 } 833 #endif 834 835 #if defined(__amd64__) || defined(__i386__) 836 static int 837 S_bios_smap_xattr(size_t l2, void *p) 838 { 839 struct bios_smap_xattr *smap, *end; 840 841 if (l2 % sizeof(*smap) != 0) { 842 warnx("S_bios_smap_xattr %zu is not a multiple of %zu", l2, 843 sizeof(*smap)); 844 return (1); 845 } 846 847 end = (struct bios_smap_xattr *)((char *)p + l2); 848 for (smap = p; smap < end; smap++) 849 printf("\nSMAP type=%02x, xattr=%02x, base=%016jx, len=%016jx", 850 smap->type, smap->xattr, (uintmax_t)smap->base, 851 (uintmax_t)smap->length); 852 return (0); 853 } 854 #endif 855 856 static int 857 strIKtoi(const char *str, char **endptrp, const char *fmt) 858 { 859 int kelv; 860 float temp; 861 size_t len; 862 const char *p; 863 int prec, i; 864 865 assert(errno == 0); 866 867 len = strlen(str); 868 /* caller already checked this */ 869 assert(len > 0); 870 871 /* 872 * A format of "IK" is in deciKelvin. A format of "IK3" is in 873 * milliKelvin. The single digit following IK is log10 of the 874 * multiplying factor to convert Kelvin into the untis of this sysctl, 875 * or the dividing factor to convert the sysctl value to Kelvin. Numbers 876 * larger than 6 will run into precision issues with 32-bit integers. 877 * Characters that aren't ASCII digits after the 'K' are ignored. No 878 * localization is present because this is an interface from the kernel 879 * to this program (eg not an end-user interface), so isdigit() isn't 880 * used here. 881 */ 882 if (fmt[2] != '\0' && fmt[2] >= '0' && fmt[2] <= '9') 883 prec = fmt[2] - '0'; 884 else 885 prec = 1; 886 p = &str[len - 1]; 887 if (*p == 'C' || *p == 'F' || *p == 'K') { 888 temp = strtof(str, endptrp); 889 if (*endptrp != str && *endptrp == p && errno == 0) { 890 if (*p == 'F') 891 temp = (temp - 32) * 5 / 9; 892 *endptrp = NULL; 893 if (*p != 'K') 894 temp += 273.15; 895 for (i = 0; i < prec; i++) 896 temp *= 10.0; 897 return ((int)(temp + 0.5)); 898 } 899 } else { 900 /* No unit specified -> treat it as a raw number */ 901 kelv = (int)strtol(str, endptrp, 10); 902 if (*endptrp != str && *endptrp == p && errno == 0) { 903 *endptrp = NULL; 904 return (kelv); 905 } 906 } 907 908 errno = ERANGE; 909 return (0); 910 } 911 912 /* 913 * These functions uses a presently undocumented interface to the kernel 914 * to walk the tree and get the type so it can print the value. 915 * This interface is under work and consideration, and should probably 916 * be killed with a big axe by the first person who can find the time. 917 * (be aware though, that the proper interface isn't as obvious as it 918 * may seem, there are various conflicting requirements. 919 */ 920 921 static int 922 name2oid(const char *name, int *oidp) 923 { 924 int oid[2]; 925 int i; 926 size_t j; 927 928 oid[0] = 0; 929 oid[1] = 3; 930 931 j = CTL_MAXNAME * sizeof(int); 932 i = sysctl(oid, 2, oidp, &j, name, strlen(name)); 933 if (i < 0) 934 return (i); 935 j /= sizeof(int); 936 return (j); 937 } 938 939 static int 940 oidfmt(int *oid, int len, char *fmt, u_int *kind) 941 { 942 int qoid[CTL_MAXNAME+2]; 943 u_char buf[BUFSIZ]; 944 int i; 945 size_t j; 946 947 qoid[0] = 0; 948 qoid[1] = 4; 949 memcpy(qoid + 2, oid, len * sizeof(int)); 950 951 j = sizeof(buf); 952 i = sysctl(qoid, len + 2, buf, &j, 0, 0); 953 if (i) 954 err(1, "sysctl fmt %d %zu %d", i, j, errno); 955 956 if (kind) 957 *kind = *(u_int *)buf; 958 959 if (fmt) 960 strcpy(fmt, (char *)(buf + sizeof(u_int))); 961 return (0); 962 } 963 964 /* 965 * This formats and outputs the value of one variable 966 * 967 * Returns zero if anything was actually output. 968 * Returns one if didn't know what to do with this. 969 * Return minus one if we had errors. 970 */ 971 static int 972 show_var(int *oid, int nlen) 973 { 974 u_char buf[BUFSIZ], *val, *oval, *p; 975 char name[BUFSIZ], fmt[BUFSIZ]; 976 const char *sep, *sep1, *prntype; 977 int qoid[CTL_MAXNAME+2]; 978 uintmax_t umv; 979 intmax_t mv; 980 int i, hexlen, sign, ctltype; 981 size_t intlen; 982 size_t j, len; 983 u_int kind; 984 float base; 985 int (*func)(size_t, void *); 986 int prec; 987 988 /* Silence GCC. */ 989 umv = mv = intlen = 0; 990 991 bzero(buf, BUFSIZ); 992 bzero(fmt, BUFSIZ); 993 bzero(name, BUFSIZ); 994 qoid[0] = 0; 995 memcpy(qoid + 2, oid, nlen * sizeof(int)); 996 997 qoid[1] = 1; 998 j = sizeof(name); 999 i = sysctl(qoid, nlen + 2, name, &j, 0, 0); 1000 if (i || !j) 1001 err(1, "sysctl name %d %zu %d", i, j, errno); 1002 1003 oidfmt(oid, nlen, fmt, &kind); 1004 /* if Wflag then only list sysctls that are writeable and not stats. */ 1005 if (Wflag && ((kind & CTLFLAG_WR) == 0 || (kind & CTLFLAG_STATS) != 0)) 1006 return 1; 1007 1008 /* if Tflag then only list sysctls that are tuneables. */ 1009 if (Tflag && (kind & CTLFLAG_TUN) == 0) 1010 return 1; 1011 1012 if (Nflag) { 1013 printf("%s", name); 1014 return (0); 1015 } 1016 1017 if (eflag) 1018 sep = "="; 1019 else 1020 sep = ": "; 1021 1022 ctltype = (kind & CTLTYPE); 1023 if (tflag || dflag) { 1024 if (!nflag) 1025 printf("%s%s", name, sep); 1026 if (ctl_typename[ctltype] != NULL) 1027 prntype = ctl_typename[ctltype]; 1028 else 1029 prntype = "unknown"; 1030 if (tflag && dflag) 1031 printf("%s%s", prntype, sep); 1032 else if (tflag) { 1033 printf("%s", prntype); 1034 return (0); 1035 } 1036 qoid[1] = 5; 1037 j = sizeof(buf); 1038 i = sysctl(qoid, nlen + 2, buf, &j, 0, 0); 1039 printf("%s", buf); 1040 return (0); 1041 } 1042 /* find an estimate of how much we need for this var */ 1043 if (Bflag) 1044 j = Bflag; 1045 else { 1046 j = 0; 1047 i = sysctl(oid, nlen, 0, &j, 0, 0); 1048 j += j; /* we want to be sure :-) */ 1049 } 1050 1051 val = oval = malloc(j + 1); 1052 if (val == NULL) { 1053 warnx("malloc failed"); 1054 return (1); 1055 } 1056 len = j; 1057 i = sysctl(oid, nlen, val, &len, 0, 0); 1058 if (i != 0 || (len == 0 && ctltype != CTLTYPE_STRING)) { 1059 free(oval); 1060 return (1); 1061 } 1062 1063 if (bflag) { 1064 fwrite(val, 1, len, stdout); 1065 free(oval); 1066 return (0); 1067 } 1068 val[len] = '\0'; 1069 p = val; 1070 sign = ctl_sign[ctltype]; 1071 intlen = ctl_size[ctltype]; 1072 1073 switch (ctltype) { 1074 case CTLTYPE_STRING: 1075 if (!nflag) 1076 printf("%s%s", name, sep); 1077 printf("%.*s", (int)len, p); 1078 free(oval); 1079 return (0); 1080 1081 case CTLTYPE_INT: 1082 case CTLTYPE_UINT: 1083 case CTLTYPE_LONG: 1084 case CTLTYPE_ULONG: 1085 case CTLTYPE_S8: 1086 case CTLTYPE_S16: 1087 case CTLTYPE_S32: 1088 case CTLTYPE_S64: 1089 case CTLTYPE_U8: 1090 case CTLTYPE_U16: 1091 case CTLTYPE_U32: 1092 case CTLTYPE_U64: 1093 if (!nflag) 1094 printf("%s%s", name, sep); 1095 hexlen = 2 + (intlen * CHAR_BIT + 3) / 4; 1096 sep1 = ""; 1097 while (len >= intlen) { 1098 switch (kind & CTLTYPE) { 1099 case CTLTYPE_INT: 1100 case CTLTYPE_UINT: 1101 umv = *(u_int *)p; 1102 mv = *(int *)p; 1103 break; 1104 case CTLTYPE_LONG: 1105 case CTLTYPE_ULONG: 1106 umv = *(u_long *)p; 1107 mv = *(long *)p; 1108 break; 1109 case CTLTYPE_S8: 1110 case CTLTYPE_U8: 1111 umv = *(uint8_t *)p; 1112 mv = *(int8_t *)p; 1113 break; 1114 case CTLTYPE_S16: 1115 case CTLTYPE_U16: 1116 umv = *(uint16_t *)p; 1117 mv = *(int16_t *)p; 1118 break; 1119 case CTLTYPE_S32: 1120 case CTLTYPE_U32: 1121 umv = *(uint32_t *)p; 1122 mv = *(int32_t *)p; 1123 break; 1124 case CTLTYPE_S64: 1125 case CTLTYPE_U64: 1126 umv = *(uint64_t *)p; 1127 mv = *(int64_t *)p; 1128 break; 1129 } 1130 fputs(sep1, stdout); 1131 if (xflag) 1132 printf("%#0*jx", hexlen, umv); 1133 else if (!sign) 1134 printf(hflag ? "%'ju" : "%ju", umv); 1135 else if (fmt[1] == 'K') { 1136 if (mv < 0) 1137 printf("%jd", mv); 1138 else { 1139 /* 1140 * See strIKtoi for details on fmt. 1141 */ 1142 prec = 1; 1143 if (fmt[2] != '\0') 1144 prec = fmt[2] - '0'; 1145 base = 1.0; 1146 for (int i = 0; i < prec; i++) 1147 base *= 10.0; 1148 printf("%.*fC", prec, 1149 (float)mv / base - 273.15); 1150 } 1151 } else 1152 printf(hflag ? "%'jd" : "%jd", mv); 1153 sep1 = " "; 1154 len -= intlen; 1155 p += intlen; 1156 } 1157 free(oval); 1158 return (0); 1159 1160 case CTLTYPE_OPAQUE: 1161 i = 0; 1162 if (strcmp(fmt, "S,clockinfo") == 0) 1163 func = S_clockinfo; 1164 else if (strcmp(fmt, "S,timeval") == 0) 1165 func = S_timeval; 1166 else if (strcmp(fmt, "S,loadavg") == 0) 1167 func = S_loadavg; 1168 else if (strcmp(fmt, "S,vmtotal") == 0) 1169 func = S_vmtotal; 1170 #ifdef __amd64__ 1171 else if (strcmp(fmt, "S,efi_map_header") == 0) 1172 func = S_efi_map; 1173 #endif 1174 #if defined(__amd64__) || defined(__i386__) 1175 else if (strcmp(fmt, "S,bios_smap_xattr") == 0) 1176 func = S_bios_smap_xattr; 1177 #endif 1178 else 1179 func = NULL; 1180 if (func) { 1181 if (!nflag) 1182 printf("%s%s", name, sep); 1183 i = (*func)(len, p); 1184 free(oval); 1185 return (i); 1186 } 1187 /* FALLTHROUGH */ 1188 default: 1189 if (!oflag && !xflag) { 1190 free(oval); 1191 return (1); 1192 } 1193 if (!nflag) 1194 printf("%s%s", name, sep); 1195 printf("Format:%s Length:%zu Dump:0x", fmt, len); 1196 while (len-- && (xflag || p < val + 16)) 1197 printf("%02x", *p++); 1198 if (!xflag && len > 16) 1199 printf("..."); 1200 free(oval); 1201 return (0); 1202 } 1203 free(oval); 1204 return (1); 1205 } 1206 1207 static int 1208 sysctl_all(int *oid, int len) 1209 { 1210 int name1[22], name2[22]; 1211 int i, j; 1212 size_t l1, l2; 1213 1214 name1[0] = 0; 1215 name1[1] = 2; 1216 l1 = 2; 1217 if (len) { 1218 memcpy(name1+2, oid, len * sizeof(int)); 1219 l1 += len; 1220 } else { 1221 name1[2] = 1; 1222 l1++; 1223 } 1224 for (;;) { 1225 l2 = sizeof(name2); 1226 j = sysctl(name1, l1, name2, &l2, 0, 0); 1227 if (j < 0) { 1228 if (errno == ENOENT) 1229 return (0); 1230 else 1231 err(1, "sysctl(getnext) %d %zu", j, l2); 1232 } 1233 1234 l2 /= sizeof(int); 1235 1236 if (len < 0 || l2 < (unsigned int)len) 1237 return (0); 1238 1239 for (i = 0; i < len; i++) 1240 if (name2[i] != oid[i]) 1241 return (0); 1242 1243 i = show_var(name2, l2); 1244 if (!i && !bflag) 1245 putchar('\n'); 1246 1247 memcpy(name1+2, name2, l2 * sizeof(int)); 1248 l1 = 2 + l2; 1249 } 1250 } 1251