1 /* 2 * Copyright (c) 1994, 1995 Gordon W. Ross 3 * Copyright (c) 1994 Theo de Raadt 4 * All rights reserved. 5 * Copyright (c) 1987, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Symmetric Computer Systems. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * This product includes software developed by Theo de Raadt. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: $NetBSD: disksubr.c,v 1.13 2000/12/17 22:39:18 pk $ 41 */ 42 43 #if 0 44 #ifndef lint 45 static const char copyright[] = 46 "@(#) Copyright (c) 1987, 1993\n\ 47 The Regents of the University of California. All rights reserved.\n"; 48 #endif /* not lint */ 49 50 #ifndef lint 51 static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94"; 52 /* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */ 53 #endif /* not lint */ 54 #endif 55 #include <sys/cdefs.h> 56 __FBSDID("$FreeBSD$"); 57 58 #include <sys/param.h> 59 #include <stdint.h> 60 #include <sys/file.h> 61 #include <sys/stat.h> 62 #include <sys/wait.h> 63 #include <sys/disk.h> 64 #define DKTYPENAMES 65 #define FSTYPENAMES 66 #include <sys/disklabel.h> 67 68 #include <unistd.h> 69 #include <string.h> 70 #include <stdio.h> 71 #include <libgeom.h> 72 #include <stdlib.h> 73 #include <signal.h> 74 #include <stdarg.h> 75 #include <ctype.h> 76 #include <err.h> 77 #include <errno.h> 78 79 #include "pathnames.h" 80 81 static void makelabel(const char *, struct disklabel *); 82 static int writelabel(void); 83 static int readlabel(int flag); 84 static void display(FILE *, const struct disklabel *); 85 static int edit(void); 86 static int editit(void); 87 static void fixlabel(struct disklabel *); 88 static char *skip(char *); 89 static char *word(char *); 90 static int getasciilabel(FILE *, struct disklabel *); 91 static int getasciipartspec(char *, struct disklabel *, int, int); 92 static int checklabel(struct disklabel *); 93 static void usage(void); 94 static struct disklabel *getvirginlabel(void); 95 96 #define DEFEDITOR _PATH_VI 97 98 static char *dkname; 99 static char *specname; 100 static char tmpfil[] = PATH_TMPFILE; 101 102 static struct disklabel lab; 103 static u_char bootarea[BBSIZE]; 104 static off_t mediasize; 105 static u_int secsize; 106 static char blank[] = ""; 107 static char unknown[] = "unknown"; 108 109 #define MAX_PART ('z') 110 #define MAX_NUM_PARTS (1 + MAX_PART - 'a') 111 static char part_size_type[MAX_NUM_PARTS]; 112 static char part_offset_type[MAX_NUM_PARTS]; 113 static int part_set[MAX_NUM_PARTS]; 114 115 static int installboot; /* non-zero if we should install a boot program */ 116 static int allfields; /* present all fields in edit */ 117 static char const *xxboot; /* primary boot */ 118 119 static off_t mbroffset; 120 #ifndef LABELSECTOR 121 #define LABELSECTOR -1 122 #endif 123 #ifndef LABELOFFSET 124 #define LABELOFFSET -1 125 #endif 126 static int labelsoffset = LABELSECTOR; 127 static int labeloffset = LABELOFFSET; 128 static int bbsize = BBSIZE; 129 static int alphacksum = 130 #if defined(__alpha__) 131 1; 132 #else 133 0; 134 #endif 135 136 enum { 137 UNSPEC, EDIT, READ, RESTORE, WRITE, WRITEBOOT 138 } op = UNSPEC; 139 140 141 static int disable_write; /* set to disable writing to disk label */ 142 static int is_file; /* work on a file (abs. pathname), "-f" opt. */ 143 144 int 145 main(int argc, char *argv[]) 146 { 147 FILE *t; 148 int ch, error = 0; 149 char const *name = 0; 150 151 while ((ch = getopt(argc, argv, "ABb:efm:nRrs:w")) != -1) 152 switch (ch) { 153 case 'A': 154 allfields = 1; 155 break; 156 case 'B': 157 ++installboot; 158 break; 159 case 'b': 160 xxboot = optarg; 161 break; 162 case 'f': 163 is_file=1; 164 break; 165 case 'm': 166 if (!strcmp(optarg, "i386") || 167 !strcmp(optarg, "amd64") || 168 !strcmp(optarg, "ia64") || 169 !strcmp(optarg, "pc98")) { 170 labelsoffset = 1; 171 labeloffset = 0; 172 bbsize = 8192; 173 alphacksum = 0; 174 } else if (!strcmp(optarg, "alpha")) { 175 labelsoffset = 0; 176 labeloffset = 64; 177 bbsize = 8192; 178 alphacksum = 1; 179 } else { 180 errx(1, "Unsupported architecture"); 181 } 182 break; 183 case 'n': 184 disable_write = 1; 185 break; 186 case 'R': 187 if (op != UNSPEC) 188 usage(); 189 op = RESTORE; 190 break; 191 case 'e': 192 if (op != UNSPEC) 193 usage(); 194 op = EDIT; 195 break; 196 case 'r': 197 /* 198 * We accept and ignode -r for compatibility with 199 * historically disklabel usage. 200 */ 201 break; 202 case 'w': 203 if (op != UNSPEC) 204 usage(); 205 op = WRITE; 206 break; 207 case '?': 208 default: 209 usage(); 210 } 211 argc -= optind; 212 argv += optind; 213 214 if (argc < 1) 215 usage(); 216 if (labelsoffset < 0 || labeloffset < 0) 217 errx(1, "a -m <architecture> option must be specified"); 218 219 /* Figure out the names of the thing we're working on */ 220 if (is_file) { 221 dkname = specname = argv[0]; 222 } else if (argv[0][0] != '/') { 223 dkname = argv[0]; 224 asprintf(&specname, "%s%s", _PATH_DEV, argv[0]); 225 } else { 226 dkname = strrchr(argv[0], '/'); 227 dkname++; 228 specname = argv[0]; 229 } 230 231 if (installboot && op == UNSPEC) 232 op = WRITEBOOT; 233 else if (op == UNSPEC) 234 op = READ; 235 236 switch(op) { 237 238 case UNSPEC: 239 break; 240 241 case EDIT: 242 if (argc != 1) 243 usage(); 244 readlabel(1); 245 fixlabel(&lab); 246 error = edit(); 247 break; 248 249 case READ: 250 if (argc != 1) 251 usage(); 252 readlabel(1); 253 display(stdout, NULL); 254 error = checklabel(NULL); 255 break; 256 257 case RESTORE: 258 if (argc != 2) 259 usage(); 260 if (!(t = fopen(argv[1], "r"))) 261 err(4, "fopen %s", argv[1]); 262 readlabel(0); 263 if (!getasciilabel(t, &lab)) 264 exit(1); 265 error = writelabel(); 266 break; 267 268 case WRITE: 269 if (argc == 2) 270 name = argv[1]; 271 else if (argc == 1) 272 name = "auto"; 273 else 274 usage(); 275 readlabel(0); 276 makelabel(name, &lab); 277 fixlabel(&lab); 278 if (checklabel(NULL) == 0) 279 error = writelabel(); 280 break; 281 282 case WRITEBOOT: 283 284 readlabel(1); 285 fixlabel(&lab); 286 if (argc == 2) 287 makelabel(argv[1], &lab); 288 if (checklabel(NULL) == 0) 289 error = writelabel(); 290 break; 291 } 292 exit(error); 293 } 294 295 static void 296 fixlabel(struct disklabel *lp) 297 { 298 struct partition *dp; 299 int i; 300 301 for (i = 0; i < MAXPARTITIONS; i++) { 302 if (i == RAW_PART) 303 continue; 304 if (lp->d_partitions[i].p_size) 305 return; 306 } 307 308 dp = &lp->d_partitions[0]; 309 dp->p_offset = BBSIZE / secsize; 310 dp->p_size = lp->d_secperunit - dp->p_offset; 311 } 312 313 /* 314 * Construct a prototype disklabel from /etc/disktab. 315 */ 316 static void 317 makelabel(const char *type, struct disklabel *lp) 318 { 319 struct disklabel *dp; 320 321 if (strcmp(type, "auto") == 0) 322 dp = getvirginlabel(); 323 else 324 dp = getdiskbyname(type); 325 if (dp == NULL) 326 errx(1, "%s: unknown disk type", type); 327 *lp = *dp; 328 bzero(lp->d_packname, sizeof(lp->d_packname)); 329 } 330 331 static void 332 readboot(void) 333 { 334 int fd, i; 335 struct stat st; 336 uint64_t *p; 337 338 if (xxboot == NULL) 339 xxboot = "/boot/boot"; 340 fd = open(xxboot, O_RDONLY); 341 if (fd < 0) 342 err(1, "cannot open %s", xxboot); 343 fstat(fd, &st); 344 if (alphacksum && st.st_size <= BBSIZE - 512) { 345 i = read(fd, bootarea + 512, st.st_size); 346 if (i != st.st_size) 347 err(1, "read error %s", xxboot); 348 349 /* 350 * Set the location and length so SRM can find the 351 * boot blocks. 352 */ 353 p = (uint64_t *)bootarea; 354 p[60] = (st.st_size + secsize - 1) / secsize; 355 p[61] = 1; 356 p[62] = 0; 357 return; 358 } else if ((!alphacksum) && st.st_size <= BBSIZE) { 359 i = read(fd, bootarea, st.st_size); 360 if (i != st.st_size) 361 err(1, "read error %s", xxboot); 362 return; 363 } 364 errx(1, "boot code %s is wrong size", xxboot); 365 } 366 367 static int 368 writelabel(void) 369 { 370 uint64_t *p, sum; 371 int i, fd; 372 struct gctl_req *grq; 373 char const *errstr; 374 struct disklabel *lp = &lab; 375 376 if (disable_write) { 377 warnx("write to disk label supressed - label was as follows:"); 378 display(stdout, NULL); 379 return (0); 380 } 381 382 lp->d_magic = DISKMAGIC; 383 lp->d_magic2 = DISKMAGIC; 384 lp->d_checksum = 0; 385 lp->d_checksum = dkcksum(lp); 386 if (installboot) 387 readboot(); 388 for (i = 0; i < lab.d_npartitions; i++) 389 if (lab.d_partitions[i].p_size) 390 lab.d_partitions[i].p_offset += mbroffset; 391 bsd_disklabel_le_enc(bootarea + labeloffset + labelsoffset * secsize, 392 lp); 393 if (alphacksum) { 394 /* Generate the bootblock checksum for the SRM console. */ 395 for (p = (uint64_t *)bootarea, i = 0, sum = 0; i < 63; i++) 396 sum += p[i]; 397 p[63] = sum; 398 } 399 400 fd = open(specname, O_RDWR); 401 if (fd < 0) { 402 if (is_file) { 403 warn("cannot open file %s for writing label", specname); 404 return(1); 405 } 406 grq = gctl_get_handle(); 407 gctl_ro_param(grq, "verb", -1, "write label"); 408 gctl_ro_param(grq, "class", -1, "BSD"); 409 gctl_ro_param(grq, "geom", -1, dkname); 410 gctl_ro_param(grq, "label", 148+16*8, 411 bootarea + labeloffset + labelsoffset * secsize); 412 errstr = gctl_issue(grq); 413 if (errstr != NULL) { 414 warnx("%s", errstr); 415 gctl_free(grq); 416 return(1); 417 } 418 gctl_free(grq); 419 if (installboot) { 420 grq = gctl_get_handle(); 421 gctl_ro_param(grq, "verb", -1, "write bootcode"); 422 gctl_ro_param(grq, "class", -1, "BSD"); 423 gctl_ro_param(grq, "geom", -1, dkname); 424 gctl_ro_param(grq, "bootcode", BBSIZE, bootarea); 425 errstr = gctl_issue(grq); 426 if (errstr != NULL) { 427 warnx("%s", errstr); 428 gctl_free(grq); 429 return (1); 430 } 431 gctl_free(grq); 432 } 433 } else { 434 if (write(fd, bootarea, bbsize) != bbsize) { 435 warn("write %s", specname); 436 close (fd); 437 return (1); 438 } 439 close (fd); 440 } 441 return (0); 442 } 443 444 static void 445 get_file_parms(int f) 446 { 447 int i; 448 struct stat sb; 449 450 if (fstat(f, &sb) != 0) 451 err(4, "fstat failed"); 452 i = sb.st_mode & S_IFMT; 453 if (i != S_IFREG && i != S_IFLNK) 454 errx(4, "%s is not a valid file or link", specname); 455 secsize = DEV_BSIZE; 456 mediasize = sb.st_size; 457 } 458 459 /* 460 * Fetch disklabel for disk. 461 * Use ioctl to get label unless -r flag is given. 462 */ 463 static int 464 readlabel(int flag) 465 { 466 int f, i; 467 int error; 468 struct gctl_req *grq; 469 char const *errstr; 470 471 f = open(specname, O_RDONLY); 472 if (f < 0) 473 err(1, specname); 474 if (is_file) 475 get_file_parms(f); 476 else if ((ioctl(f, DIOCGMEDIASIZE, &mediasize) != 0) || 477 (ioctl(f, DIOCGSECTORSIZE, &secsize) != 0)) { 478 err(4, "cannot get disk geometry"); 479 } 480 if (mediasize > (off_t)0xffffffff * secsize) 481 errx(1, 482 "disks with more than 2^32-1 sectors are not supported"); 483 (void)lseek(f, (off_t)0, SEEK_SET); 484 if (read(f, bootarea, BBSIZE) != BBSIZE) 485 err(4, "%s read", specname); 486 close (f); 487 error = bsd_disklabel_le_dec( 488 bootarea + (labeloffset + labelsoffset * secsize), 489 &lab, MAXPARTITIONS); 490 if (flag && error) 491 errx(1, "%s: no valid label found", specname); 492 493 grq = gctl_get_handle(); 494 gctl_ro_param(grq, "verb", -1, "read mbroffset"); 495 gctl_ro_param(grq, "class", -1, "BSD"); 496 gctl_ro_param(grq, "geom", -1, dkname); 497 gctl_rw_param(grq, "mbroffset", sizeof(mbroffset), &mbroffset); 498 errstr = gctl_issue(grq); 499 if (errstr != NULL) { 500 mbroffset = 0; 501 gctl_free(grq); 502 return (error); 503 } 504 mbroffset /= lab.d_secsize; 505 if (lab.d_partitions[RAW_PART].p_offset == mbroffset) 506 for (i = 0; i < lab.d_npartitions; i++) 507 if (lab.d_partitions[i].p_size) 508 lab.d_partitions[i].p_offset -= mbroffset; 509 return (error); 510 } 511 512 513 static void 514 display(FILE *f, const struct disklabel *lp) 515 { 516 int i, j; 517 const struct partition *pp; 518 519 if (lp == NULL) 520 lp = &lab; 521 522 fprintf(f, "# %s:\n", specname); 523 if (allfields) { 524 if (lp->d_type < DKMAXTYPES) 525 fprintf(f, "type: %s\n", dktypenames[lp->d_type]); 526 else 527 fprintf(f, "type: %u\n", lp->d_type); 528 fprintf(f, "disk: %.*s\n", (int)sizeof(lp->d_typename), 529 lp->d_typename); 530 fprintf(f, "label: %.*s\n", (int)sizeof(lp->d_packname), 531 lp->d_packname); 532 fprintf(f, "flags:"); 533 if (lp->d_flags & D_REMOVABLE) 534 fprintf(f, " removeable"); 535 if (lp->d_flags & D_ECC) 536 fprintf(f, " ecc"); 537 if (lp->d_flags & D_BADSECT) 538 fprintf(f, " badsect"); 539 fprintf(f, "\n"); 540 fprintf(f, "bytes/sector: %lu\n", (u_long)lp->d_secsize); 541 fprintf(f, "sectors/track: %lu\n", (u_long)lp->d_nsectors); 542 fprintf(f, "tracks/cylinder: %lu\n", (u_long)lp->d_ntracks); 543 fprintf(f, "sectors/cylinder: %lu\n", (u_long)lp->d_secpercyl); 544 fprintf(f, "cylinders: %lu\n", (u_long)lp->d_ncylinders); 545 fprintf(f, "sectors/unit: %lu\n", (u_long)lp->d_secperunit); 546 fprintf(f, "rpm: %u\n", lp->d_rpm); 547 fprintf(f, "interleave: %u\n", lp->d_interleave); 548 fprintf(f, "trackskew: %u\n", lp->d_trackskew); 549 fprintf(f, "cylinderskew: %u\n", lp->d_cylskew); 550 fprintf(f, "headswitch: %lu\t\t# milliseconds\n", 551 (u_long)lp->d_headswitch); 552 fprintf(f, "track-to-track seek: %ld\t# milliseconds\n", 553 (u_long)lp->d_trkseek); 554 fprintf(f, "drivedata: "); 555 for (i = NDDATA - 1; i >= 0; i--) 556 if (lp->d_drivedata[i]) 557 break; 558 if (i < 0) 559 i = 0; 560 for (j = 0; j <= i; j++) 561 fprintf(f, "%lu ", (u_long)lp->d_drivedata[j]); 562 fprintf(f, "\n\n"); 563 } 564 fprintf(f, "%u partitions:\n", lp->d_npartitions); 565 fprintf(f, 566 "# size offset fstype [fsize bsize bps/cpg]\n"); 567 pp = lp->d_partitions; 568 for (i = 0; i < lp->d_npartitions; i++, pp++) { 569 if (pp->p_size) { 570 fprintf(f, " %c: %8lu %8lu ", 'a' + i, 571 (u_long)pp->p_size, (u_long)pp->p_offset); 572 if (pp->p_fstype < FSMAXTYPES) 573 fprintf(f, "%8.8s", fstypenames[pp->p_fstype]); 574 else 575 fprintf(f, "%8d", pp->p_fstype); 576 switch (pp->p_fstype) { 577 578 case FS_UNUSED: /* XXX */ 579 fprintf(f, " %5lu %5lu %5.5s ", 580 (u_long)pp->p_fsize, 581 (u_long)(pp->p_fsize * pp->p_frag), ""); 582 break; 583 584 case FS_BSDFFS: 585 fprintf(f, " %5lu %5lu %5u ", 586 (u_long)pp->p_fsize, 587 (u_long)(pp->p_fsize * pp->p_frag), 588 pp->p_cpg); 589 break; 590 591 case FS_BSDLFS: 592 fprintf(f, " %5lu %5lu %5d", 593 (u_long)pp->p_fsize, 594 (u_long)(pp->p_fsize * pp->p_frag), 595 pp->p_cpg); 596 break; 597 598 default: 599 fprintf(f, "%20.20s", ""); 600 break; 601 } 602 if (i == RAW_PART) { 603 fprintf(f, " # \"raw\" part, don't edit"); 604 } 605 fprintf(f, "\n"); 606 } 607 } 608 fflush(f); 609 } 610 611 static int 612 edit(void) 613 { 614 int c, fd; 615 struct disklabel label; 616 FILE *fp; 617 618 if ((fd = mkstemp(tmpfil)) == -1 || 619 (fp = fdopen(fd, "w")) == NULL) { 620 warnx("can't create %s", tmpfil); 621 return (1); 622 } 623 display(fp, NULL); 624 fclose(fp); 625 for (;;) { 626 if (!editit()) 627 break; 628 fp = fopen(tmpfil, "r"); 629 if (fp == NULL) { 630 warnx("can't reopen %s for reading", tmpfil); 631 break; 632 } 633 bzero((char *)&label, sizeof(label)); 634 c = getasciilabel(fp, &label); 635 fclose(fp); 636 if (c) { 637 lab = label; 638 if (writelabel() == 0) { 639 (void) unlink(tmpfil); 640 return (0); 641 } 642 } 643 printf("re-edit the label? [y]: "); 644 fflush(stdout); 645 c = getchar(); 646 if (c != EOF && c != (int)'\n') 647 while (getchar() != (int)'\n') 648 ; 649 if (c == (int)'n') 650 break; 651 } 652 (void) unlink(tmpfil); 653 return (1); 654 } 655 656 static int 657 editit(void) 658 { 659 int pid, xpid; 660 int locstat, omask; 661 const char *ed; 662 663 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 664 while ((pid = fork()) < 0) { 665 if (errno == EPROCLIM) { 666 warnx("you have too many processes"); 667 return(0); 668 } 669 if (errno != EAGAIN) { 670 warn("fork"); 671 return(0); 672 } 673 sleep(1); 674 } 675 if (pid == 0) { 676 sigsetmask(omask); 677 setgid(getgid()); 678 setuid(getuid()); 679 if ((ed = getenv("EDITOR")) == (char *)0) 680 ed = DEFEDITOR; 681 execlp(ed, ed, tmpfil, (char *)0); 682 err(1, "%s", ed); 683 } 684 while ((xpid = wait(&locstat)) >= 0) 685 if (xpid == pid) 686 break; 687 sigsetmask(omask); 688 return(!locstat); 689 } 690 691 static char * 692 skip(char *cp) 693 { 694 695 while (*cp != '\0' && isspace(*cp)) 696 cp++; 697 if (*cp == '\0' || *cp == '#') 698 return (NULL); 699 return (cp); 700 } 701 702 static char * 703 word(char *cp) 704 { 705 char c; 706 707 while (*cp != '\0' && !isspace(*cp) && *cp != '#') 708 cp++; 709 if ((c = *cp) != '\0') { 710 *cp++ = '\0'; 711 if (c != '#') 712 return (skip(cp)); 713 } 714 return (NULL); 715 } 716 717 /* 718 * Read an ascii label in from fd f, 719 * in the same format as that put out by display(), 720 * and fill in lp. 721 */ 722 static int 723 getasciilabel(FILE *f, struct disklabel *lp) 724 { 725 char *cp; 726 const char **cpp; 727 u_int part; 728 char *tp, line[BUFSIZ]; 729 u_long v; 730 int lineno = 0, errors = 0; 731 int i; 732 733 makelabel("auto", lp); 734 bzero(&part_set, sizeof(part_set)); 735 bzero(&part_size_type, sizeof(part_size_type)); 736 bzero(&part_offset_type, sizeof(part_offset_type)); 737 lp->d_bbsize = BBSIZE; /* XXX */ 738 lp->d_sbsize = 0; /* XXX */ 739 while (fgets(line, sizeof(line) - 1, f)) { 740 lineno++; 741 if ((cp = index(line,'\n')) != 0) 742 *cp = '\0'; 743 cp = skip(line); 744 if (cp == NULL) 745 continue; 746 tp = index(cp, ':'); 747 if (tp == NULL) { 748 fprintf(stderr, "line %d: syntax error\n", lineno); 749 errors++; 750 continue; 751 } 752 *tp++ = '\0', tp = skip(tp); 753 if (!strcmp(cp, "type")) { 754 if (tp == NULL) 755 tp = unknown; 756 cpp = dktypenames; 757 for (; cpp < &dktypenames[DKMAXTYPES]; cpp++) 758 if (*cpp && !strcmp(*cpp, tp)) { 759 lp->d_type = cpp - dktypenames; 760 break; 761 } 762 if (cpp < &dktypenames[DKMAXTYPES]) 763 continue; 764 v = strtoul(tp, NULL, 10); 765 if (v >= DKMAXTYPES) 766 fprintf(stderr, "line %d:%s %lu\n", lineno, 767 "Warning, unknown disk type", v); 768 lp->d_type = v; 769 continue; 770 } 771 if (!strcmp(cp, "flags")) { 772 for (v = 0; (cp = tp) && *cp != '\0';) { 773 tp = word(cp); 774 if (!strcmp(cp, "removeable")) 775 v |= D_REMOVABLE; 776 else if (!strcmp(cp, "ecc")) 777 v |= D_ECC; 778 else if (!strcmp(cp, "badsect")) 779 v |= D_BADSECT; 780 else { 781 fprintf(stderr, 782 "line %d: %s: bad flag\n", 783 lineno, cp); 784 errors++; 785 } 786 } 787 lp->d_flags = v; 788 continue; 789 } 790 if (!strcmp(cp, "drivedata")) { 791 for (i = 0; (cp = tp) && *cp != '\0' && i < NDDATA;) { 792 lp->d_drivedata[i++] = strtoul(cp, NULL, 10); 793 tp = word(cp); 794 } 795 continue; 796 } 797 if (sscanf(cp, "%lu partitions", &v) == 1) { 798 if (v == 0 || v > MAXPARTITIONS) { 799 fprintf(stderr, 800 "line %d: bad # of partitions\n", lineno); 801 lp->d_npartitions = MAXPARTITIONS; 802 errors++; 803 } else 804 lp->d_npartitions = v; 805 continue; 806 } 807 if (tp == NULL) 808 tp = blank; 809 if (!strcmp(cp, "disk")) { 810 strncpy(lp->d_typename, tp, sizeof (lp->d_typename)); 811 continue; 812 } 813 if (!strcmp(cp, "label")) { 814 strncpy(lp->d_packname, tp, sizeof (lp->d_packname)); 815 continue; 816 } 817 if (!strcmp(cp, "bytes/sector")) { 818 v = strtoul(tp, NULL, 10); 819 if (v == 0 || (v % DEV_BSIZE) != 0) { 820 fprintf(stderr, 821 "line %d: %s: bad sector size\n", 822 lineno, tp); 823 errors++; 824 } else 825 lp->d_secsize = v; 826 continue; 827 } 828 if (!strcmp(cp, "sectors/track")) { 829 v = strtoul(tp, NULL, 10); 830 #if (ULONG_MAX != 0xffffffffUL) 831 if (v == 0 || v > 0xffffffff) 832 #else 833 if (v == 0) 834 #endif 835 { 836 fprintf(stderr, "line %d: %s: bad %s\n", 837 lineno, tp, cp); 838 errors++; 839 } else 840 lp->d_nsectors = v; 841 continue; 842 } 843 if (!strcmp(cp, "sectors/cylinder")) { 844 v = strtoul(tp, NULL, 10); 845 if (v == 0) { 846 fprintf(stderr, "line %d: %s: bad %s\n", 847 lineno, tp, cp); 848 errors++; 849 } else 850 lp->d_secpercyl = v; 851 continue; 852 } 853 if (!strcmp(cp, "tracks/cylinder")) { 854 v = strtoul(tp, NULL, 10); 855 if (v == 0) { 856 fprintf(stderr, "line %d: %s: bad %s\n", 857 lineno, tp, cp); 858 errors++; 859 } else 860 lp->d_ntracks = v; 861 continue; 862 } 863 if (!strcmp(cp, "cylinders")) { 864 v = strtoul(tp, NULL, 10); 865 if (v == 0) { 866 fprintf(stderr, "line %d: %s: bad %s\n", 867 lineno, tp, cp); 868 errors++; 869 } else 870 lp->d_ncylinders = v; 871 continue; 872 } 873 if (!strcmp(cp, "sectors/unit")) { 874 v = strtoul(tp, NULL, 10); 875 if (v == 0) { 876 fprintf(stderr, "line %d: %s: bad %s\n", 877 lineno, tp, cp); 878 errors++; 879 } else 880 lp->d_secperunit = v; 881 continue; 882 } 883 if (!strcmp(cp, "rpm")) { 884 v = strtoul(tp, NULL, 10); 885 if (v == 0 || v > USHRT_MAX) { 886 fprintf(stderr, "line %d: %s: bad %s\n", 887 lineno, tp, cp); 888 errors++; 889 } else 890 lp->d_rpm = v; 891 continue; 892 } 893 if (!strcmp(cp, "interleave")) { 894 v = strtoul(tp, NULL, 10); 895 if (v == 0 || v > USHRT_MAX) { 896 fprintf(stderr, "line %d: %s: bad %s\n", 897 lineno, tp, cp); 898 errors++; 899 } else 900 lp->d_interleave = v; 901 continue; 902 } 903 if (!strcmp(cp, "trackskew")) { 904 v = strtoul(tp, NULL, 10); 905 if (v > USHRT_MAX) { 906 fprintf(stderr, "line %d: %s: bad %s\n", 907 lineno, tp, cp); 908 errors++; 909 } else 910 lp->d_trackskew = v; 911 continue; 912 } 913 if (!strcmp(cp, "cylinderskew")) { 914 v = strtoul(tp, NULL, 10); 915 if (v > USHRT_MAX) { 916 fprintf(stderr, "line %d: %s: bad %s\n", 917 lineno, tp, cp); 918 errors++; 919 } else 920 lp->d_cylskew = v; 921 continue; 922 } 923 if (!strcmp(cp, "headswitch")) { 924 v = strtoul(tp, NULL, 10); 925 lp->d_headswitch = v; 926 continue; 927 } 928 if (!strcmp(cp, "track-to-track seek")) { 929 v = strtoul(tp, NULL, 10); 930 lp->d_trkseek = v; 931 continue; 932 } 933 /* the ':' was removed above */ 934 if (*cp < 'a' || *cp > MAX_PART || cp[1] != '\0') { 935 fprintf(stderr, 936 "line %d: %s: Unknown disklabel field\n", lineno, 937 cp); 938 errors++; 939 continue; 940 } 941 942 /* Process a partition specification line. */ 943 part = *cp - 'a'; 944 if (part >= lp->d_npartitions) { 945 fprintf(stderr, 946 "line %d: partition name out of range a-%c: %s\n", 947 lineno, 'a' + lp->d_npartitions - 1, cp); 948 errors++; 949 continue; 950 } 951 part_set[part] = 1; 952 953 if (getasciipartspec(tp, lp, part, lineno) != 0) { 954 errors++; 955 break; 956 } 957 } 958 errors += checklabel(lp); 959 return (errors == 0); 960 } 961 962 #define NXTNUM(n) do { \ 963 if (tp == NULL) { \ 964 fprintf(stderr, "line %d: too few numeric fields\n", lineno); \ 965 return (1); \ 966 } else { \ 967 cp = tp, tp = word(cp); \ 968 (n) = strtoul(cp, NULL, 10); \ 969 } \ 970 } while (0) 971 972 /* retain 1 character following number */ 973 #define NXTWORD(w,n) do { \ 974 if (tp == NULL) { \ 975 fprintf(stderr, "line %d: too few numeric fields\n", lineno); \ 976 return (1); \ 977 } else { \ 978 char *tmp; \ 979 cp = tp, tp = word(cp); \ 980 (n) = strtoul(cp, &tmp, 10); \ 981 if (tmp) (w) = *tmp; \ 982 } \ 983 } while (0) 984 985 /* 986 * Read a partition line into partition `part' in the specified disklabel. 987 * Return 0 on success, 1 on failure. 988 */ 989 static int 990 getasciipartspec(char *tp, struct disklabel *lp, int part, int lineno) 991 { 992 struct partition *pp; 993 char *cp; 994 const char **cpp; 995 u_long v; 996 997 pp = &lp->d_partitions[part]; 998 cp = NULL; 999 1000 v = 0; 1001 NXTWORD(part_size_type[part],v); 1002 if (v == 0 && part_size_type[part] != '*') { 1003 fprintf(stderr, 1004 "line %d: %s: bad partition size\n", lineno, cp); 1005 return (1); 1006 } 1007 pp->p_size = v; 1008 1009 v = 0; 1010 NXTWORD(part_offset_type[part],v); 1011 if (v == 0 && part_offset_type[part] != '*' && 1012 part_offset_type[part] != '\0') { 1013 fprintf(stderr, 1014 "line %d: %s: bad partition offset\n", lineno, cp); 1015 return (1); 1016 } 1017 pp->p_offset = v; 1018 if (tp == NULL) { 1019 fprintf(stderr, "line %d: missing file system type\n", lineno); 1020 return (1); 1021 } 1022 cp = tp, tp = word(cp); 1023 for (cpp = fstypenames; cpp < &fstypenames[FSMAXTYPES]; cpp++) 1024 if (*cpp && !strcmp(*cpp, cp)) 1025 break; 1026 if (*cpp != NULL) { 1027 pp->p_fstype = cpp - fstypenames; 1028 } else { 1029 if (isdigit(*cp)) 1030 v = strtoul(cp, NULL, 10); 1031 else 1032 v = FSMAXTYPES; 1033 if (v >= FSMAXTYPES) { 1034 fprintf(stderr, 1035 "line %d: Warning, unknown file system type %s\n", 1036 lineno, cp); 1037 v = FS_UNUSED; 1038 } 1039 pp->p_fstype = v; 1040 } 1041 1042 switch (pp->p_fstype) { 1043 case FS_UNUSED: 1044 case FS_BSDFFS: 1045 case FS_BSDLFS: 1046 /* accept defaults for fsize/frag/cpg */ 1047 if (tp) { 1048 NXTNUM(pp->p_fsize); 1049 if (pp->p_fsize == 0) 1050 break; 1051 NXTNUM(v); 1052 pp->p_frag = v / pp->p_fsize; 1053 if (tp != NULL) 1054 NXTNUM(pp->p_cpg); 1055 } 1056 /* else default to 0's */ 1057 break; 1058 default: 1059 break; 1060 } 1061 return (0); 1062 } 1063 1064 /* 1065 * Check disklabel for errors and fill in 1066 * derived fields according to supplied values. 1067 */ 1068 static int 1069 checklabel(struct disklabel *lp) 1070 { 1071 struct partition *pp; 1072 int i, errors = 0; 1073 char part; 1074 u_long total_size, total_percent, current_offset; 1075 int seen_default_offset; 1076 int hog_part; 1077 int j; 1078 struct partition *pp2; 1079 1080 if (lp == NULL) 1081 lp = &lab; 1082 1083 if (allfields) { 1084 1085 if (lp->d_secsize == 0) { 1086 fprintf(stderr, "sector size 0\n"); 1087 return (1); 1088 } 1089 if (lp->d_nsectors == 0) { 1090 fprintf(stderr, "sectors/track 0\n"); 1091 return (1); 1092 } 1093 if (lp->d_ntracks == 0) { 1094 fprintf(stderr, "tracks/cylinder 0\n"); 1095 return (1); 1096 } 1097 if (lp->d_ncylinders == 0) { 1098 fprintf(stderr, "cylinders/unit 0\n"); 1099 errors++; 1100 } 1101 if (lp->d_rpm == 0) 1102 warnx("revolutions/minute 0"); 1103 if (lp->d_secpercyl == 0) 1104 lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; 1105 if (lp->d_secperunit == 0) 1106 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1107 if (lp->d_bbsize == 0) { 1108 fprintf(stderr, "boot block size 0\n"); 1109 errors++; 1110 } else if (lp->d_bbsize % lp->d_secsize) 1111 warnx("boot block size %% sector-size != 0"); 1112 if (lp->d_npartitions > MAXPARTITIONS) 1113 warnx("number of partitions (%lu) > MAXPARTITIONS (%d)", 1114 (u_long)lp->d_npartitions, MAXPARTITIONS); 1115 } else { 1116 struct disklabel *vl; 1117 1118 vl = getvirginlabel(); 1119 lp->d_secsize = vl->d_secsize; 1120 lp->d_nsectors = vl->d_nsectors; 1121 lp->d_ntracks = vl->d_ntracks; 1122 lp->d_ncylinders = vl->d_ncylinders; 1123 lp->d_rpm = vl->d_rpm; 1124 lp->d_interleave = vl->d_interleave; 1125 lp->d_secpercyl = vl->d_secpercyl; 1126 lp->d_secperunit = vl->d_secperunit; 1127 lp->d_bbsize = vl->d_bbsize; 1128 lp->d_npartitions = vl->d_npartitions; 1129 } 1130 1131 1132 /* first allocate space to the partitions, then offsets */ 1133 total_size = 0; /* in sectors */ 1134 total_percent = 0; /* in percent */ 1135 hog_part = -1; 1136 /* find all fixed partitions */ 1137 for (i = 0; i < lp->d_npartitions; i++) { 1138 pp = &lp->d_partitions[i]; 1139 if (part_set[i]) { 1140 if (part_size_type[i] == '*') { 1141 if (i == RAW_PART) { 1142 pp->p_size = lp->d_secperunit; 1143 } else { 1144 if (hog_part != -1) 1145 warnx("Too many '*' partitions (%c and %c)", 1146 hog_part + 'a',i + 'a'); 1147 else 1148 hog_part = i; 1149 } 1150 } else { 1151 off_t size; 1152 1153 size = pp->p_size; 1154 switch (part_size_type[i]) { 1155 case '%': 1156 total_percent += size; 1157 break; 1158 case 't': 1159 case 'T': 1160 size *= 1024ULL; 1161 /* FALLTHROUGH */ 1162 case 'g': 1163 case 'G': 1164 size *= 1024ULL; 1165 /* FALLTHROUGH */ 1166 case 'm': 1167 case 'M': 1168 size *= 1024ULL; 1169 /* FALLTHROUGH */ 1170 case 'k': 1171 case 'K': 1172 size *= 1024ULL; 1173 break; 1174 case '\0': 1175 break; 1176 default: 1177 warnx("unknown multiplier suffix '%c' for partition %c (should be K, M, G or T)", 1178 part_size_type[i], i + 'a'); 1179 break; 1180 } 1181 /* don't count %'s yet */ 1182 if (part_size_type[i] != '%') { 1183 /* 1184 * for all not in sectors, convert to 1185 * sectors 1186 */ 1187 if (part_size_type[i] != '\0') { 1188 if (size % lp->d_secsize != 0) 1189 warnx("partition %c not an integer number of sectors", 1190 i + 'a'); 1191 size /= lp->d_secsize; 1192 pp->p_size = size; 1193 } 1194 /* else already in sectors */ 1195 if (i != RAW_PART) 1196 total_size += size; 1197 } 1198 } 1199 } 1200 } 1201 /* handle % partitions - note %'s don't need to add up to 100! */ 1202 if (total_percent != 0) { 1203 long free_space = lp->d_secperunit - total_size; 1204 if (total_percent > 100) { 1205 fprintf(stderr,"total percentage %lu is greater than 100\n", 1206 total_percent); 1207 errors++; 1208 } 1209 1210 if (free_space > 0) { 1211 for (i = 0; i < lp->d_npartitions; i++) { 1212 pp = &lp->d_partitions[i]; 1213 if (part_set[i] && part_size_type[i] == '%') { 1214 /* careful of overflows! and integer roundoff */ 1215 pp->p_size = ((double)pp->p_size/100) * free_space; 1216 total_size += pp->p_size; 1217 1218 /* FIX we can lose a sector or so due to roundoff per 1219 partition. A more complex algorithm could avoid that */ 1220 } 1221 } 1222 } else { 1223 fprintf(stderr, 1224 "%ld sectors available to give to '*' and '%%' partitions\n", 1225 free_space); 1226 errors++; 1227 /* fix? set all % partitions to size 0? */ 1228 } 1229 } 1230 /* give anything remaining to the hog partition */ 1231 if (hog_part != -1) { 1232 lp->d_partitions[hog_part].p_size = lp->d_secperunit - total_size; 1233 total_size = lp->d_secperunit; 1234 } 1235 1236 /* Now set the offsets for each partition */ 1237 current_offset = 0; /* in sectors */ 1238 seen_default_offset = 0; 1239 for (i = 0; i < lp->d_npartitions; i++) { 1240 part = 'a' + i; 1241 pp = &lp->d_partitions[i]; 1242 if (part_set[i]) { 1243 if (part_offset_type[i] == '*') { 1244 if (i == RAW_PART) { 1245 pp->p_offset = 0; 1246 } else { 1247 pp->p_offset = current_offset; 1248 seen_default_offset = 1; 1249 } 1250 } else { 1251 /* allow them to be out of order for old-style tables */ 1252 if (pp->p_offset < current_offset && 1253 seen_default_offset && i != RAW_PART && 1254 pp->p_fstype != FS_VINUM) { 1255 fprintf(stderr, 1256 "Offset %ld for partition %c overlaps previous partition which ends at %lu\n", 1257 (long)pp->p_offset,i+'a',current_offset); 1258 fprintf(stderr, 1259 "Labels with any *'s for offset must be in ascending order by sector\n"); 1260 errors++; 1261 } else if (pp->p_offset != current_offset && 1262 i != RAW_PART && seen_default_offset) { 1263 /* 1264 * this may give unneeded warnings if 1265 * partitions are out-of-order 1266 */ 1267 warnx( 1268 "Offset %ld for partition %c doesn't match expected value %ld", 1269 (long)pp->p_offset, i + 'a', current_offset); 1270 } 1271 } 1272 if (i != RAW_PART) 1273 current_offset = pp->p_offset + pp->p_size; 1274 } 1275 } 1276 1277 for (i = 0; i < lp->d_npartitions; i++) { 1278 part = 'a' + i; 1279 pp = &lp->d_partitions[i]; 1280 if (pp->p_size == 0 && pp->p_offset != 0) 1281 warnx("partition %c: size 0, but offset %lu", 1282 part, (u_long)pp->p_offset); 1283 #ifdef notdef 1284 if (pp->p_size % lp->d_secpercyl) 1285 warnx("partition %c: size %% cylinder-size != 0", 1286 part); 1287 if (pp->p_offset % lp->d_secpercyl) 1288 warnx("partition %c: offset %% cylinder-size != 0", 1289 part); 1290 #endif 1291 if (pp->p_offset > lp->d_secperunit) { 1292 fprintf(stderr, 1293 "partition %c: offset past end of unit\n", part); 1294 errors++; 1295 } 1296 if (pp->p_offset + pp->p_size > lp->d_secperunit) { 1297 fprintf(stderr, 1298 "partition %c: partition extends past end of unit\n", 1299 part); 1300 errors++; 1301 } 1302 if (i == RAW_PART) { 1303 if (pp->p_fstype != FS_UNUSED) 1304 warnx("partition %c is not marked as unused!",part); 1305 if (pp->p_offset != 0) 1306 warnx("partition %c doesn't start at 0!",part); 1307 if (pp->p_size != lp->d_secperunit) 1308 warnx("partition %c doesn't cover the whole unit!",part); 1309 1310 if ((pp->p_fstype != FS_UNUSED) || (pp->p_offset != 0) || 1311 (pp->p_size != lp->d_secperunit)) { 1312 warnx("An incorrect partition %c may cause problems for " 1313 "standard system utilities",part); 1314 } 1315 } 1316 1317 /* check for overlaps */ 1318 /* this will check for all possible overlaps once and only once */ 1319 for (j = 0; j < i; j++) { 1320 pp2 = &lp->d_partitions[j]; 1321 if (j != RAW_PART && i != RAW_PART && 1322 pp->p_fstype != FS_VINUM && 1323 pp2->p_fstype != FS_VINUM && 1324 part_set[i] && part_set[j]) { 1325 if (pp2->p_offset < pp->p_offset + pp->p_size && 1326 (pp2->p_offset + pp2->p_size > pp->p_offset || 1327 pp2->p_offset >= pp->p_offset)) { 1328 fprintf(stderr,"partitions %c and %c overlap!\n", 1329 j + 'a', i + 'a'); 1330 errors++; 1331 } 1332 } 1333 } 1334 } 1335 for (; i < MAXPARTITIONS; i++) { 1336 part = 'a' + i; 1337 pp = &lp->d_partitions[i]; 1338 if (pp->p_size || pp->p_offset) 1339 warnx("unused partition %c: size %d offset %lu", 1340 'a' + i, pp->p_size, (u_long)pp->p_offset); 1341 } 1342 return (errors); 1343 } 1344 1345 /* 1346 * When operating on a "virgin" disk, try getting an initial label 1347 * from the associated device driver. This might work for all device 1348 * drivers that are able to fetch some initial device parameters 1349 * without even having access to a (BSD) disklabel, like SCSI disks, 1350 * most IDE drives, or vn devices. 1351 * 1352 * The device name must be given in its "canonical" form. 1353 */ 1354 static struct disklabel * 1355 getvirginlabel(void) 1356 { 1357 static struct disklabel loclab; 1358 struct partition *dp; 1359 int f; 1360 u_int u; 1361 1362 if ((f = open(specname, O_RDONLY)) == -1) { 1363 warn("cannot open %s", specname); 1364 return (NULL); 1365 } 1366 1367 if (is_file) 1368 get_file_parms(f); 1369 else if ((ioctl(f, DIOCGMEDIASIZE, &mediasize) != 0) || 1370 (ioctl(f, DIOCGSECTORSIZE, &secsize) != 0)) { 1371 close (f); 1372 return (NULL); 1373 } 1374 memset(&loclab, 0, sizeof loclab); 1375 loclab.d_magic = DISKMAGIC; 1376 loclab.d_magic2 = DISKMAGIC; 1377 loclab.d_secsize = secsize; 1378 loclab.d_secperunit = mediasize / secsize; 1379 1380 /* 1381 * Nobody in these enligthened days uses the CHS geometry for 1382 * anything, but nontheless try to get it right. If we fail 1383 * to get any good ideas from the device, construct something 1384 * which is IBM-PC friendly. 1385 */ 1386 if (ioctl(f, DIOCGFWSECTORS, &u) == 0) 1387 loclab.d_nsectors = u; 1388 else 1389 loclab.d_nsectors = 63; 1390 if (ioctl(f, DIOCGFWHEADS, &u) == 0) 1391 loclab.d_ntracks = u; 1392 else if (loclab.d_secperunit <= 63*1*1024) 1393 loclab.d_ntracks = 1; 1394 else if (loclab.d_secperunit <= 63*16*1024) 1395 loclab.d_ntracks = 16; 1396 else 1397 loclab.d_ntracks = 255; 1398 loclab.d_secpercyl = loclab.d_ntracks * loclab.d_nsectors; 1399 loclab.d_ncylinders = loclab.d_secperunit / loclab.d_secpercyl; 1400 loclab.d_npartitions = MAXPARTITIONS; 1401 1402 /* Various (unneeded) compat stuff */ 1403 loclab.d_rpm = 3600; 1404 loclab.d_bbsize = BBSIZE; 1405 loclab.d_interleave = 1; 1406 strncpy(loclab.d_typename, "amnesiac", 1407 sizeof(loclab.d_typename)); 1408 1409 dp = &loclab.d_partitions[RAW_PART]; 1410 dp->p_size = loclab.d_secperunit; 1411 loclab.d_checksum = dkcksum(&loclab); 1412 close (f); 1413 return (&loclab); 1414 } 1415 1416 static void 1417 usage(void) 1418 { 1419 1420 fprintf(stderr, 1421 "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", 1422 "usage: bsdlabel disk", 1423 "\t\t(to read label)", 1424 " bsdlabel -w [-n] [-m machine] disk [type]", 1425 "\t\t(to write label with existing boot program)", 1426 " bsdlabel -e [-n] [-m machine] disk", 1427 "\t\t(to edit label)", 1428 " bsdlabel -R [-n] [-m machine] disk protofile", 1429 "\t\t(to restore label with existing boot program)", 1430 " bsdlabel -B [-b boot] [-m machine] disk", 1431 "\t\t(to install boot program with existing on-disk label)", 1432 " bsdlabel -w -B [-n] [-b boot] [-m machine] disk [type]", 1433 "\t\t(to write label and install boot program)", 1434 " bsdlabel -R -B [-n] [-b boot] [-m machine] disk protofile", 1435 "\t\t(to restore label and install boot program)" 1436 ); 1437 exit(1); 1438 } 1439