bsdlabel.c revision 127044
155714Skris/* 255714Skris * Copyright (c) 1994, 1995 Gordon W. Ross 355714Skris * Copyright (c) 1994 Theo de Raadt 455714Skris * All rights reserved. 555714Skris * Copyright (c) 1987, 1993 655714Skris * The Regents of the University of California. All rights reserved. 755714Skris * 8296341Sdelphij * This code is derived from software contributed to Berkeley by 955714Skris * Symmetric Computer Systems. 1055714Skris * 1155714Skris * Redistribution and use in source and binary forms, with or without 1255714Skris * modification, are permitted provided that the following conditions 1355714Skris * are met: 1455714Skris * 1. Redistributions of source code must retain the above copyright 15296341Sdelphij * notice, this list of conditions and the following disclaimer. 1655714Skris * 2. Redistributions in binary form must reproduce the above copyright 1755714Skris * notice, this list of conditions and the following disclaimer in the 1855714Skris * documentation and/or other materials provided with the distribution. 1955714Skris * 3. All advertising materials mentioning features or use of this software 2055714Skris * must display the following acknowledgement: 2155714Skris * This product includes software developed by the University of 22296341Sdelphij * California, Berkeley and its contributors. 2355714Skris * This product includes software developed by Theo de Raadt. 2455714Skris * 4. Neither the name of the University nor the names of its contributors 2555714Skris * may be used to endorse or promote products derived from this software 2655714Skris * without specific prior written permission. 2755714Skris * 2855714Skris * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2955714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 3055714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3155714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3255714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3355714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3455714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3555714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3655714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37296341Sdelphij * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3855714Skris * SUCH DAMAGE. 3955714Skris * 40296341Sdelphij * from: $NetBSD: disksubr.c,v 1.13 2000/12/17 22:39:18 pk $ 4155714Skris */ 4255714Skris 4355714Skris#if 0 4455714Skris#ifndef lint 4555714Skrisstatic const char copyright[] = 4655714Skris"@(#) Copyright (c) 1987, 1993\n\ 4755714Skris The Regents of the University of California. All rights reserved.\n"; 4855714Skris#endif /* not lint */ 4955714Skris 5055714Skris#ifndef lint 5155714Skrisstatic char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94"; 52296341Sdelphij/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */ 5355714Skris#endif /* not lint */ 5455714Skris#endif 5555714Skris#include <sys/cdefs.h> 5655714Skris__FBSDID("$FreeBSD: head/sbin/bsdlabel/bsdlabel.c 127044 2004-03-15 23:10:34Z jhb $"); 5755714Skris 5855714Skris#include <sys/param.h> 5955714Skris#include <stdint.h> 6055714Skris#include <sys/file.h> 6155714Skris#include <sys/stat.h> 6255714Skris#include <sys/wait.h> 63296341Sdelphij#include <sys/disk.h> 64296341Sdelphij#define DKTYPENAMES 65296341Sdelphij#define FSTYPENAMES 6655714Skris#include <sys/disklabel.h> 67296341Sdelphij 68296341Sdelphij#include <unistd.h> 69296341Sdelphij#include <string.h> 70296341Sdelphij#include <stdio.h> 71296341Sdelphij#include <libgeom.h> 72296341Sdelphij#include <stdlib.h> 73296341Sdelphij#include <signal.h> 74296341Sdelphij#include <stdarg.h> 75296341Sdelphij#include <ctype.h> 76296341Sdelphij#include <err.h> 77296341Sdelphij#include <errno.h> 78296341Sdelphij 79296341Sdelphij#include "pathnames.h" 80296341Sdelphij 81296341Sdelphijstatic void makelabel(const char *, struct disklabel *); 82296341Sdelphijstatic int writelabel(void); 83296341Sdelphijstatic int readlabel(int flag); 84296341Sdelphijstatic void display(FILE *, const struct disklabel *); 85296341Sdelphijstatic int edit(void); 86296341Sdelphijstatic int editit(void); 87296341Sdelphijstatic void fixlabel(struct disklabel *); 88296341Sdelphijstatic char *skip(char *); 89296341Sdelphijstatic char *word(char *); 90296341Sdelphijstatic int getasciilabel(FILE *, struct disklabel *); 9155714Skrisstatic int getasciipartspec(char *, struct disklabel *, int, int); 92296341Sdelphijstatic int checklabel(struct disklabel *); 9355714Skrisstatic void usage(void); 94296341Sdelphijstatic struct disklabel *getvirginlabel(void); 95 96#define DEFEDITOR _PATH_VI 97 98static char *dkname; 99static char *specname; 100static char tmpfil[] = PATH_TMPFILE; 101 102static struct disklabel lab; 103static u_char bootarea[BBSIZE]; 104static off_t mediasize; 105static u_int secsize; 106static char blank[] = ""; 107static char unknown[] = "unknown"; 108 109#define MAX_PART ('z') 110#define MAX_NUM_PARTS (1 + MAX_PART - 'a') 111static char part_size_type[MAX_NUM_PARTS]; 112static char part_offset_type[MAX_NUM_PARTS]; 113static int part_set[MAX_NUM_PARTS]; 114 115static int installboot; /* non-zero if we should install a boot program */ 116static int allfields; /* present all fields in edit */ 117static char const *xxboot; /* primary boot */ 118 119static off_t mbroffset; 120#ifndef LABELSECTOR 121#define LABELSECTOR -1 122#endif 123#ifndef LABELOFFSET 124#define LABELOFFSET -1 125#endif 126static int labelsoffset = LABELSECTOR; 127static int labeloffset = LABELOFFSET; 128static int bbsize = BBSIZE; 129static int alphacksum = 130#if defined(__alpha__) 131 1; 132#else 133 0; 134#endif 135 136enum { 137 UNSPEC, EDIT, READ, RESTORE, WRITE, WRITEBOOT 138} op = UNSPEC; 139 140 141static int disable_write; /* set to disable writing to disk label */ 142 143int 144main(int argc, char *argv[]) 145{ 146 FILE *t; 147 int ch, error = 0; 148 char const *name = 0; 149 150 while ((ch = getopt(argc, argv, "ABb:em:nRrs:w")) != -1) 151 switch (ch) { 152 case 'A': 153 allfields = 1; 154 break; 155 case 'B': 156 ++installboot; 157 break; 158 case 'b': 159 xxboot = optarg; 160 break; 161 case 'm': 162 if (!strcmp(optarg, "i386") || 163 !strcmp(optarg, "amd64") || 164 !strcmp(optarg, "ia64") || 165 !strcmp(optarg, "pc98")) { 166 labelsoffset = 1; 167 labeloffset = 0; 168 bbsize = 8192; 169 alphacksum = 0; 170 } else if (!strcmp(optarg, "alpha")) { 171 labelsoffset = 0; 172 labeloffset = 64; 173 bbsize = 8192; 174 alphacksum = 1; 175 } else { 176 errx(1, "Unsupported architecture"); 177 } 178 break; 179 case 'n': 180 disable_write = 1; 181 break; 182 case 'R': 183 if (op != UNSPEC) 184 usage(); 185 op = RESTORE; 186 break; 187 case 'e': 188 if (op != UNSPEC) 189 usage(); 190 op = EDIT; 191 break; 192 case 'r': 193 /* 194 * We accept and ignode -r for compatibility with 195 * historically disklabel usage. 196 */ 197 break; 198 case 'w': 199 if (op != UNSPEC) 200 usage(); 201 op = WRITE; 202 break; 203 case '?': 204 default: 205 usage(); 206 } 207 argc -= optind; 208 argv += optind; 209 210 if (argc < 1) 211 usage(); 212 if (labelsoffset < 0 || labeloffset < 0) 213 errx(1, "a -m <architecture> option must be specified"); 214 215 /* Figure out the names of the thing we're working on */ 216 if (argv[0][0] != '/') { 217 dkname = argv[0]; 218 asprintf(&specname, "%s%s", _PATH_DEV, argv[0]); 219 } else { 220 dkname = strrchr(argv[0], '/'); 221 dkname++; 222 specname = argv[0]; 223 } 224 225 if (installboot && op == UNSPEC) 226 op = WRITEBOOT; 227 else if (op == UNSPEC) 228 op = READ; 229 230 switch(op) { 231 232 case UNSPEC: 233 break; 234 235 case EDIT: 236 if (argc != 1) 237 usage(); 238 readlabel(1); 239 fixlabel(&lab); 240 error = edit(); 241 break; 242 243 case READ: 244 if (argc != 1) 245 usage(); 246 readlabel(1); 247 display(stdout, NULL); 248 error = checklabel(NULL); 249 break; 250 251 case RESTORE: 252 if (argc != 2) 253 usage(); 254 if (!(t = fopen(argv[1], "r"))) 255 err(4, "fopen %s", argv[1]); 256 readlabel(0); 257 if (!getasciilabel(t, &lab)) 258 exit(1); 259 error = writelabel(); 260 break; 261 262 case WRITE: 263 if (argc == 2) 264 name = argv[1]; 265 else if (argc == 1) 266 name = "auto"; 267 else 268 usage(); 269 readlabel(0); 270 makelabel(name, &lab); 271 fixlabel(&lab); 272 if (checklabel(NULL) == 0) 273 error = writelabel(); 274 break; 275 276 case WRITEBOOT: 277 278 readlabel(1); 279 fixlabel(&lab); 280 if (argc == 2) 281 makelabel(argv[1], &lab); 282 if (checklabel(NULL) == 0) 283 error = writelabel(); 284 break; 285 } 286 exit(error); 287} 288 289static void 290fixlabel(struct disklabel *lp) 291{ 292 struct partition *dp; 293 int i; 294 295 for (i = 0; i < MAXPARTITIONS; i++) { 296 if (i == RAW_PART) 297 continue; 298 if (lp->d_partitions[i].p_size) 299 return; 300 } 301 302 dp = &lp->d_partitions[0]; 303 dp->p_offset = BBSIZE / secsize; 304 dp->p_size = lp->d_secperunit - dp->p_offset; 305} 306 307/* 308 * Construct a prototype disklabel from /etc/disktab. 309 */ 310static void 311makelabel(const char *type, struct disklabel *lp) 312{ 313 struct disklabel *dp; 314 315 if (strcmp(type, "auto") == 0) 316 dp = getvirginlabel(); 317 else 318 dp = getdiskbyname(type); 319 if (dp == NULL) 320 errx(1, "%s: unknown disk type", type); 321 *lp = *dp; 322 bzero(lp->d_packname, sizeof(lp->d_packname)); 323} 324 325static void 326readboot(void) 327{ 328 int fd, i; 329 struct stat st; 330 uint64_t *p; 331 332 if (xxboot == NULL) 333 xxboot = "/boot/boot"; 334 fd = open(xxboot, O_RDONLY); 335 if (fd < 0) 336 err(1, "cannot open %s", xxboot); 337 fstat(fd, &st); 338 if (alphacksum && st.st_size <= BBSIZE - 512) { 339 i = read(fd, bootarea + 512, st.st_size); 340 if (i != st.st_size) 341 err(1, "read error %s", xxboot); 342 343 /* 344 * Set the location and length so SRM can find the 345 * boot blocks. 346 */ 347 p = (uint64_t *)bootarea; 348 p[60] = (st.st_size + secsize - 1) / secsize; 349 p[61] = 1; 350 p[62] = 0; 351 return; 352 } else if ((!alphacksum) && st.st_size <= BBSIZE) { 353 i = read(fd, bootarea, st.st_size); 354 if (i != st.st_size) 355 err(1, "read error %s", xxboot); 356 return; 357 } 358 errx(1, "boot code %s is wrong size", xxboot); 359} 360 361static int 362writelabel(void) 363{ 364 uint64_t *p, sum; 365 int i, fd; 366 struct gctl_req *grq; 367 char const *errstr; 368 struct disklabel *lp = &lab; 369 370 if (disable_write) { 371 warnx("write to disk label supressed - label was as follows:"); 372 display(stdout, NULL); 373 return (0); 374 } 375 376 lp->d_magic = DISKMAGIC; 377 lp->d_magic2 = DISKMAGIC; 378 lp->d_checksum = 0; 379 lp->d_checksum = dkcksum(lp); 380 if (installboot) 381 readboot(); 382 for (i = 0; i < lab.d_npartitions; i++) 383 if (lab.d_partitions[i].p_size) 384 lab.d_partitions[i].p_offset += mbroffset; 385 bsd_disklabel_le_enc(bootarea + labeloffset + labelsoffset * secsize, 386 lp); 387 if (alphacksum) { 388 /* Generate the bootblock checksum for the SRM console. */ 389 for (p = (uint64_t *)bootarea, i = 0, sum = 0; i < 63; i++) 390 sum += p[i]; 391 p[63] = sum; 392 } 393 394 fd = open(specname, O_RDWR); 395 if (fd < 0) { 396 grq = gctl_get_handle(); 397 gctl_ro_param(grq, "verb", -1, "write label"); 398 gctl_ro_param(grq, "class", -1, "BSD"); 399 gctl_ro_param(grq, "geom", -1, dkname); 400 gctl_ro_param(grq, "label", 148+16*8, 401 bootarea + labeloffset + labelsoffset * secsize); 402 errstr = gctl_issue(grq); 403 if (errstr != NULL) { 404 warnx("%s", errstr); 405 gctl_free(grq); 406 return(1); 407 } 408 gctl_free(grq); 409 if (installboot) { 410 grq = gctl_get_handle(); 411 gctl_ro_param(grq, "verb", -1, "write bootcode"); 412 gctl_ro_param(grq, "class", -1, "BSD"); 413 gctl_ro_param(grq, "geom", -1, dkname); 414 gctl_ro_param(grq, "bootcode", BBSIZE, bootarea); 415 errstr = gctl_issue(grq); 416 if (errstr != NULL) { 417 warnx("%s", errstr); 418 gctl_free(grq); 419 return (1); 420 } 421 gctl_free(grq); 422 } 423 } else { 424 if (write(fd, bootarea, bbsize) != bbsize) { 425 warn("write %s", specname); 426 close (fd); 427 return (1); 428 } 429 close (fd); 430 } 431 return (0); 432} 433 434/* 435 * Fetch disklabel for disk. 436 * Use ioctl to get label unless -r flag is given. 437 */ 438static int 439readlabel(int flag) 440{ 441 int f, i; 442 int error; 443 struct gctl_req *grq; 444 char const *errstr; 445 446 f = open(specname, O_RDONLY); 447 if (f < 0) 448 err(1, specname); 449 /* New world order */ 450 if ((ioctl(f, DIOCGMEDIASIZE, &mediasize) != 0) || 451 (ioctl(f, DIOCGSECTORSIZE, &secsize) != 0)) { 452 err(4, "cannot get disk geometry"); 453 } 454 (void)lseek(f, (off_t)0, SEEK_SET); 455 if (read(f, bootarea, BBSIZE) != BBSIZE) 456 err(4, "%s read", specname); 457 close (f); 458 error = bsd_disklabel_le_dec( 459 bootarea + (labeloffset + labelsoffset * secsize), 460 &lab, MAXPARTITIONS); 461 if (flag && error) 462 errx(1, "%s: no valid label found", specname); 463 464 grq = gctl_get_handle(); 465 gctl_ro_param(grq, "verb", -1, "read mbroffset"); 466 gctl_ro_param(grq, "class", -1, "BSD"); 467 gctl_ro_param(grq, "geom", -1, dkname); 468 gctl_rw_param(grq, "mbroffset", sizeof(mbroffset), &mbroffset); 469 errstr = gctl_issue(grq); 470 if (errstr != NULL) { 471 mbroffset = 0; 472 gctl_free(grq); 473 return (error); 474 } 475 mbroffset /= lab.d_secsize; 476 if (lab.d_partitions[RAW_PART].p_offset == mbroffset) 477 for (i = 0; i < lab.d_npartitions; i++) 478 if (lab.d_partitions[i].p_size) 479 lab.d_partitions[i].p_offset -= mbroffset; 480 return (error); 481} 482 483 484static void 485display(FILE *f, const struct disklabel *lp) 486{ 487 int i, j; 488 const struct partition *pp; 489 490 if (lp == NULL) 491 lp = &lab; 492 493 fprintf(f, "# %s:\n", specname); 494 if (allfields) { 495 if (lp->d_type < DKMAXTYPES) 496 fprintf(f, "type: %s\n", dktypenames[lp->d_type]); 497 else 498 fprintf(f, "type: %u\n", lp->d_type); 499 fprintf(f, "disk: %.*s\n", (int)sizeof(lp->d_typename), 500 lp->d_typename); 501 fprintf(f, "label: %.*s\n", (int)sizeof(lp->d_packname), 502 lp->d_packname); 503 fprintf(f, "flags:"); 504 if (lp->d_flags & D_REMOVABLE) 505 fprintf(f, " removeable"); 506 if (lp->d_flags & D_ECC) 507 fprintf(f, " ecc"); 508 if (lp->d_flags & D_BADSECT) 509 fprintf(f, " badsect"); 510 fprintf(f, "\n"); 511 fprintf(f, "bytes/sector: %lu\n", (u_long)lp->d_secsize); 512 fprintf(f, "sectors/track: %lu\n", (u_long)lp->d_nsectors); 513 fprintf(f, "tracks/cylinder: %lu\n", (u_long)lp->d_ntracks); 514 fprintf(f, "sectors/cylinder: %lu\n", (u_long)lp->d_secpercyl); 515 fprintf(f, "cylinders: %lu\n", (u_long)lp->d_ncylinders); 516 fprintf(f, "sectors/unit: %lu\n", (u_long)lp->d_secperunit); 517 fprintf(f, "rpm: %u\n", lp->d_rpm); 518 fprintf(f, "interleave: %u\n", lp->d_interleave); 519 fprintf(f, "trackskew: %u\n", lp->d_trackskew); 520 fprintf(f, "cylinderskew: %u\n", lp->d_cylskew); 521 fprintf(f, "headswitch: %lu\t\t# milliseconds\n", 522 (u_long)lp->d_headswitch); 523 fprintf(f, "track-to-track seek: %ld\t# milliseconds\n", 524 (u_long)lp->d_trkseek); 525 fprintf(f, "drivedata: "); 526 for (i = NDDATA - 1; i >= 0; i--) 527 if (lp->d_drivedata[i]) 528 break; 529 if (i < 0) 530 i = 0; 531 for (j = 0; j <= i; j++) 532 fprintf(f, "%lu ", (u_long)lp->d_drivedata[j]); 533 fprintf(f, "\n\n"); 534 } 535 fprintf(f, "%u partitions:\n", lp->d_npartitions); 536 fprintf(f, 537 "# size offset fstype [fsize bsize bps/cpg]\n"); 538 pp = lp->d_partitions; 539 for (i = 0; i < lp->d_npartitions; i++, pp++) { 540 if (pp->p_size) { 541 fprintf(f, " %c: %8lu %8lu ", 'a' + i, 542 (u_long)pp->p_size, (u_long)pp->p_offset); 543 if (pp->p_fstype < FSMAXTYPES) 544 fprintf(f, "%8.8s", fstypenames[pp->p_fstype]); 545 else 546 fprintf(f, "%8d", pp->p_fstype); 547 switch (pp->p_fstype) { 548 549 case FS_UNUSED: /* XXX */ 550 fprintf(f, " %5lu %5lu %5.5s ", 551 (u_long)pp->p_fsize, 552 (u_long)(pp->p_fsize * pp->p_frag), ""); 553 break; 554 555 case FS_BSDFFS: 556 fprintf(f, " %5lu %5lu %5u ", 557 (u_long)pp->p_fsize, 558 (u_long)(pp->p_fsize * pp->p_frag), 559 pp->p_cpg); 560 break; 561 562 case FS_BSDLFS: 563 fprintf(f, " %5lu %5lu %5d", 564 (u_long)pp->p_fsize, 565 (u_long)(pp->p_fsize * pp->p_frag), 566 pp->p_cpg); 567 break; 568 569 default: 570 fprintf(f, "%20.20s", ""); 571 break; 572 } 573 if (i == RAW_PART) { 574 fprintf(f, " # \"raw\" part, don't edit"); 575 } 576 fprintf(f, "\n"); 577 } 578 } 579 fflush(f); 580} 581 582static int 583edit(void) 584{ 585 int c, fd; 586 struct disklabel label; 587 FILE *fp; 588 589 if ((fd = mkstemp(tmpfil)) == -1 || 590 (fp = fdopen(fd, "w")) == NULL) { 591 warnx("can't create %s", tmpfil); 592 return (1); 593 } 594 display(fp, NULL); 595 fclose(fp); 596 for (;;) { 597 if (!editit()) 598 break; 599 fp = fopen(tmpfil, "r"); 600 if (fp == NULL) { 601 warnx("can't reopen %s for reading", tmpfil); 602 break; 603 } 604 bzero((char *)&label, sizeof(label)); 605 c = getasciilabel(fp, &label); 606 fclose(fp); 607 if (c) { 608 lab = label; 609 if (writelabel() == 0) { 610 (void) unlink(tmpfil); 611 return (0); 612 } 613 } 614 printf("re-edit the label? [y]: "); 615 fflush(stdout); 616 c = getchar(); 617 if (c != EOF && c != (int)'\n') 618 while (getchar() != (int)'\n') 619 ; 620 if (c == (int)'n') 621 break; 622 } 623 (void) unlink(tmpfil); 624 return (1); 625} 626 627static int 628editit(void) 629{ 630 int pid, xpid; 631 int locstat, omask; 632 const char *ed; 633 634 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 635 while ((pid = fork()) < 0) { 636 if (errno == EPROCLIM) { 637 warnx("you have too many processes"); 638 return(0); 639 } 640 if (errno != EAGAIN) { 641 warn("fork"); 642 return(0); 643 } 644 sleep(1); 645 } 646 if (pid == 0) { 647 sigsetmask(omask); 648 setgid(getgid()); 649 setuid(getuid()); 650 if ((ed = getenv("EDITOR")) == (char *)0) 651 ed = DEFEDITOR; 652 execlp(ed, ed, tmpfil, (char *)0); 653 err(1, "%s", ed); 654 } 655 while ((xpid = wait(&locstat)) >= 0) 656 if (xpid == pid) 657 break; 658 sigsetmask(omask); 659 return(!locstat); 660} 661 662static char * 663skip(char *cp) 664{ 665 666 while (*cp != '\0' && isspace(*cp)) 667 cp++; 668 if (*cp == '\0' || *cp == '#') 669 return (NULL); 670 return (cp); 671} 672 673static char * 674word(char *cp) 675{ 676 char c; 677 678 while (*cp != '\0' && !isspace(*cp) && *cp != '#') 679 cp++; 680 if ((c = *cp) != '\0') { 681 *cp++ = '\0'; 682 if (c != '#') 683 return (skip(cp)); 684 } 685 return (NULL); 686} 687 688/* 689 * Read an ascii label in from fd f, 690 * in the same format as that put out by display(), 691 * and fill in lp. 692 */ 693static int 694getasciilabel(FILE *f, struct disklabel *lp) 695{ 696 char *cp; 697 const char **cpp; 698 u_int part; 699 char *tp, line[BUFSIZ]; 700 u_long v; 701 int lineno = 0, errors = 0; 702 int i; 703 704 makelabel("auto", lp); 705 bzero(&part_set, sizeof(part_set)); 706 bzero(&part_size_type, sizeof(part_size_type)); 707 bzero(&part_offset_type, sizeof(part_offset_type)); 708 lp->d_bbsize = BBSIZE; /* XXX */ 709 lp->d_sbsize = 0; /* XXX */ 710 while (fgets(line, sizeof(line) - 1, f)) { 711 lineno++; 712 if ((cp = index(line,'\n')) != 0) 713 *cp = '\0'; 714 cp = skip(line); 715 if (cp == NULL) 716 continue; 717 tp = index(cp, ':'); 718 if (tp == NULL) { 719 fprintf(stderr, "line %d: syntax error\n", lineno); 720 errors++; 721 continue; 722 } 723 *tp++ = '\0', tp = skip(tp); 724 if (!strcmp(cp, "type")) { 725 if (tp == NULL) 726 tp = unknown; 727 cpp = dktypenames; 728 for (; cpp < &dktypenames[DKMAXTYPES]; cpp++) 729 if (*cpp && !strcmp(*cpp, tp)) { 730 lp->d_type = cpp - dktypenames; 731 break; 732 } 733 if (cpp < &dktypenames[DKMAXTYPES]) 734 continue; 735 v = strtoul(tp, NULL, 10); 736 if (v >= DKMAXTYPES) 737 fprintf(stderr, "line %d:%s %lu\n", lineno, 738 "Warning, unknown disk type", v); 739 lp->d_type = v; 740 continue; 741 } 742 if (!strcmp(cp, "flags")) { 743 for (v = 0; (cp = tp) && *cp != '\0';) { 744 tp = word(cp); 745 if (!strcmp(cp, "removeable")) 746 v |= D_REMOVABLE; 747 else if (!strcmp(cp, "ecc")) 748 v |= D_ECC; 749 else if (!strcmp(cp, "badsect")) 750 v |= D_BADSECT; 751 else { 752 fprintf(stderr, 753 "line %d: %s: bad flag\n", 754 lineno, cp); 755 errors++; 756 } 757 } 758 lp->d_flags = v; 759 continue; 760 } 761 if (!strcmp(cp, "drivedata")) { 762 for (i = 0; (cp = tp) && *cp != '\0' && i < NDDATA;) { 763 lp->d_drivedata[i++] = strtoul(cp, NULL, 10); 764 tp = word(cp); 765 } 766 continue; 767 } 768 if (sscanf(cp, "%lu partitions", &v) == 1) { 769 if (v == 0 || v > MAXPARTITIONS) { 770 fprintf(stderr, 771 "line %d: bad # of partitions\n", lineno); 772 lp->d_npartitions = MAXPARTITIONS; 773 errors++; 774 } else 775 lp->d_npartitions = v; 776 continue; 777 } 778 if (tp == NULL) 779 tp = blank; 780 if (!strcmp(cp, "disk")) { 781 strncpy(lp->d_typename, tp, sizeof (lp->d_typename)); 782 continue; 783 } 784 if (!strcmp(cp, "label")) { 785 strncpy(lp->d_packname, tp, sizeof (lp->d_packname)); 786 continue; 787 } 788 if (!strcmp(cp, "bytes/sector")) { 789 v = strtoul(tp, NULL, 10); 790 if (v == 0 || (v % DEV_BSIZE) != 0) { 791 fprintf(stderr, 792 "line %d: %s: bad sector size\n", 793 lineno, tp); 794 errors++; 795 } else 796 lp->d_secsize = v; 797 continue; 798 } 799 if (!strcmp(cp, "sectors/track")) { 800 v = strtoul(tp, NULL, 10); 801#if (ULONG_MAX != 0xffffffffUL) 802 if (v == 0 || v > 0xffffffff) { 803#else 804 if (v == 0) { 805#endif 806 fprintf(stderr, "line %d: %s: bad %s\n", 807 lineno, tp, cp); 808 errors++; 809 } else 810 lp->d_nsectors = v; 811 continue; 812 } 813 if (!strcmp(cp, "sectors/cylinder")) { 814 v = strtoul(tp, NULL, 10); 815 if (v == 0) { 816 fprintf(stderr, "line %d: %s: bad %s\n", 817 lineno, tp, cp); 818 errors++; 819 } else 820 lp->d_secpercyl = v; 821 continue; 822 } 823 if (!strcmp(cp, "tracks/cylinder")) { 824 v = strtoul(tp, NULL, 10); 825 if (v == 0) { 826 fprintf(stderr, "line %d: %s: bad %s\n", 827 lineno, tp, cp); 828 errors++; 829 } else 830 lp->d_ntracks = v; 831 continue; 832 } 833 if (!strcmp(cp, "cylinders")) { 834 v = strtoul(tp, NULL, 10); 835 if (v == 0) { 836 fprintf(stderr, "line %d: %s: bad %s\n", 837 lineno, tp, cp); 838 errors++; 839 } else 840 lp->d_ncylinders = v; 841 continue; 842 } 843 if (!strcmp(cp, "sectors/unit")) { 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_secperunit = v; 851 continue; 852 } 853 if (!strcmp(cp, "rpm")) { 854 v = strtoul(tp, NULL, 10); 855 if (v == 0 || v > USHRT_MAX) { 856 fprintf(stderr, "line %d: %s: bad %s\n", 857 lineno, tp, cp); 858 errors++; 859 } else 860 lp->d_rpm = v; 861 continue; 862 } 863 if (!strcmp(cp, "interleave")) { 864 v = strtoul(tp, NULL, 10); 865 if (v == 0 || v > USHRT_MAX) { 866 fprintf(stderr, "line %d: %s: bad %s\n", 867 lineno, tp, cp); 868 errors++; 869 } else 870 lp->d_interleave = v; 871 continue; 872 } 873 if (!strcmp(cp, "trackskew")) { 874 v = strtoul(tp, NULL, 10); 875 if (v > USHRT_MAX) { 876 fprintf(stderr, "line %d: %s: bad %s\n", 877 lineno, tp, cp); 878 errors++; 879 } else 880 lp->d_trackskew = v; 881 continue; 882 } 883 if (!strcmp(cp, "cylinderskew")) { 884 v = strtoul(tp, NULL, 10); 885 if (v > USHRT_MAX) { 886 fprintf(stderr, "line %d: %s: bad %s\n", 887 lineno, tp, cp); 888 errors++; 889 } else 890 lp->d_cylskew = v; 891 continue; 892 } 893 if (!strcmp(cp, "headswitch")) { 894 v = strtoul(tp, NULL, 10); 895 lp->d_headswitch = v; 896 continue; 897 } 898 if (!strcmp(cp, "track-to-track seek")) { 899 v = strtoul(tp, NULL, 10); 900 lp->d_trkseek = v; 901 continue; 902 } 903 /* the ':' was removed above */ 904 if (*cp < 'a' || *cp > MAX_PART || cp[1] != '\0') { 905 fprintf(stderr, 906 "line %d: %s: Unknown disklabel field\n", lineno, 907 cp); 908 errors++; 909 continue; 910 } 911 912 /* Process a partition specification line. */ 913 part = *cp - 'a'; 914 if (part >= lp->d_npartitions) { 915 fprintf(stderr, 916 "line %d: partition name out of range a-%c: %s\n", 917 lineno, 'a' + lp->d_npartitions - 1, cp); 918 errors++; 919 continue; 920 } 921 part_set[part] = 1; 922 923 if (getasciipartspec(tp, lp, part, lineno) != 0) { 924 errors++; 925 break; 926 } 927 } 928 errors += checklabel(lp); 929 return (errors == 0); 930} 931 932#define NXTNUM(n) do { \ 933 if (tp == NULL) { \ 934 fprintf(stderr, "line %d: too few numeric fields\n", lineno); \ 935 return (1); \ 936 } else { \ 937 cp = tp, tp = word(cp); \ 938 (n) = strtoul(cp, NULL, 10); \ 939 } \ 940} while (0) 941 942/* retain 1 character following number */ 943#define NXTWORD(w,n) do { \ 944 if (tp == NULL) { \ 945 fprintf(stderr, "line %d: too few numeric fields\n", lineno); \ 946 return (1); \ 947 } else { \ 948 char *tmp; \ 949 cp = tp, tp = word(cp); \ 950 (n) = strtoul(cp, &tmp, 10); \ 951 if (tmp) (w) = *tmp; \ 952 } \ 953} while (0) 954 955/* 956 * Read a partition line into partition `part' in the specified disklabel. 957 * Return 0 on success, 1 on failure. 958 */ 959static int 960getasciipartspec(char *tp, struct disklabel *lp, int part, int lineno) 961{ 962 struct partition *pp; 963 char *cp; 964 const char **cpp; 965 u_long v; 966 967 pp = &lp->d_partitions[part]; 968 cp = NULL; 969 970 v = 0; 971 NXTWORD(part_size_type[part],v); 972 if (v == 0 && part_size_type[part] != '*') { 973 fprintf(stderr, 974 "line %d: %s: bad partition size\n", lineno, cp); 975 return (1); 976 } 977 pp->p_size = v; 978 979 v = 0; 980 NXTWORD(part_offset_type[part],v); 981 if (v == 0 && part_offset_type[part] != '*' && 982 part_offset_type[part] != '\0') { 983 fprintf(stderr, 984 "line %d: %s: bad partition offset\n", lineno, cp); 985 return (1); 986 } 987 pp->p_offset = v; 988 if (tp == NULL) { 989 fprintf(stderr, "line %d: missing file system type\n", lineno); 990 return (1); 991 } 992 cp = tp, tp = word(cp); 993 for (cpp = fstypenames; cpp < &fstypenames[FSMAXTYPES]; cpp++) 994 if (*cpp && !strcmp(*cpp, cp)) 995 break; 996 if (*cpp != NULL) { 997 pp->p_fstype = cpp - fstypenames; 998 } else { 999 if (isdigit(*cp)) 1000 v = strtoul(cp, NULL, 10); 1001 else 1002 v = FSMAXTYPES; 1003 if (v >= FSMAXTYPES) { 1004 fprintf(stderr, 1005 "line %d: Warning, unknown file system type %s\n", 1006 lineno, cp); 1007 v = FS_UNUSED; 1008 } 1009 pp->p_fstype = v; 1010 } 1011 1012 switch (pp->p_fstype) { 1013 case FS_UNUSED: 1014 case FS_BSDFFS: 1015 case FS_BSDLFS: 1016 /* accept defaults for fsize/frag/cpg */ 1017 if (tp) { 1018 NXTNUM(pp->p_fsize); 1019 if (pp->p_fsize == 0) 1020 break; 1021 NXTNUM(v); 1022 pp->p_frag = v / pp->p_fsize; 1023 if (tp != NULL) 1024 NXTNUM(pp->p_cpg); 1025 } 1026 /* else default to 0's */ 1027 break; 1028 default: 1029 break; 1030 } 1031 return (0); 1032} 1033 1034/* 1035 * Check disklabel for errors and fill in 1036 * derived fields according to supplied values. 1037 */ 1038static int 1039checklabel(struct disklabel *lp) 1040{ 1041 struct partition *pp; 1042 int i, errors = 0; 1043 char part; 1044 u_long total_size, total_percent, current_offset; 1045 int seen_default_offset; 1046 int hog_part; 1047 int j; 1048 struct partition *pp2; 1049 1050 if (lp == NULL) 1051 lp = &lab; 1052 1053 if (allfields) { 1054 1055 if (lp->d_secsize == 0) { 1056 fprintf(stderr, "sector size 0\n"); 1057 return (1); 1058 } 1059 if (lp->d_nsectors == 0) { 1060 fprintf(stderr, "sectors/track 0\n"); 1061 return (1); 1062 } 1063 if (lp->d_ntracks == 0) { 1064 fprintf(stderr, "tracks/cylinder 0\n"); 1065 return (1); 1066 } 1067 if (lp->d_ncylinders == 0) { 1068 fprintf(stderr, "cylinders/unit 0\n"); 1069 errors++; 1070 } 1071 if (lp->d_rpm == 0) 1072 warnx("revolutions/minute 0"); 1073 if (lp->d_secpercyl == 0) 1074 lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; 1075 if (lp->d_secperunit == 0) 1076 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1077 if (lp->d_bbsize == 0) { 1078 fprintf(stderr, "boot block size 0\n"); 1079 errors++; 1080 } else if (lp->d_bbsize % lp->d_secsize) 1081 warnx("boot block size %% sector-size != 0"); 1082 if (lp->d_npartitions > MAXPARTITIONS) 1083 warnx("number of partitions (%lu) > MAXPARTITIONS (%d)", 1084 (u_long)lp->d_npartitions, MAXPARTITIONS); 1085 } else { 1086 struct disklabel *vl; 1087 1088 vl = getvirginlabel(); 1089 lp->d_secsize = vl->d_secsize; 1090 lp->d_nsectors = vl->d_nsectors; 1091 lp->d_ntracks = vl->d_ntracks; 1092 lp->d_ncylinders = vl->d_ncylinders; 1093 lp->d_rpm = vl->d_rpm; 1094 lp->d_interleave = vl->d_interleave; 1095 lp->d_secpercyl = vl->d_secpercyl; 1096 lp->d_secperunit = vl->d_secperunit; 1097 lp->d_bbsize = vl->d_bbsize; 1098 lp->d_npartitions = vl->d_npartitions; 1099 } 1100 1101 1102 /* first allocate space to the partitions, then offsets */ 1103 total_size = 0; /* in sectors */ 1104 total_percent = 0; /* in percent */ 1105 hog_part = -1; 1106 /* find all fixed partitions */ 1107 for (i = 0; i < lp->d_npartitions; i++) { 1108 pp = &lp->d_partitions[i]; 1109 if (part_set[i]) { 1110 if (part_size_type[i] == '*') { 1111 if (i == RAW_PART) { 1112 pp->p_size = lp->d_secperunit; 1113 } else { 1114 if (hog_part != -1) 1115 warnx("Too many '*' partitions (%c and %c)", 1116 hog_part + 'a',i + 'a'); 1117 else 1118 hog_part = i; 1119 } 1120 } else { 1121 off_t size; 1122 1123 size = pp->p_size; 1124 switch (part_size_type[i]) { 1125 case '%': 1126 total_percent += size; 1127 break; 1128 case 'k': 1129 case 'K': 1130 size *= 1024ULL; 1131 break; 1132 case 'm': 1133 case 'M': 1134 size *= 1024ULL * 1024ULL; 1135 break; 1136 case 'g': 1137 case 'G': 1138 size *= 1024ULL * 1024ULL * 1024ULL; 1139 break; 1140 case '\0': 1141 break; 1142 default: 1143 warnx("unknown size specifier '%c' (K/M/G are valid)",part_size_type[i]); 1144 break; 1145 } 1146 /* don't count %'s yet */ 1147 if (part_size_type[i] != '%') { 1148 /* 1149 * for all not in sectors, convert to 1150 * sectors 1151 */ 1152 if (part_size_type[i] != '\0') { 1153 if (size % lp->d_secsize != 0) 1154 warnx("partition %c not an integer number of sectors", 1155 i + 'a'); 1156 size /= lp->d_secsize; 1157 pp->p_size = size; 1158 } 1159 /* else already in sectors */ 1160 if (i != RAW_PART) 1161 total_size += size; 1162 } 1163 } 1164 } 1165 } 1166 /* handle % partitions - note %'s don't need to add up to 100! */ 1167 if (total_percent != 0) { 1168 long free_space = lp->d_secperunit - total_size; 1169 if (total_percent > 100) { 1170 fprintf(stderr,"total percentage %lu is greater than 100\n", 1171 total_percent); 1172 errors++; 1173 } 1174 1175 if (free_space > 0) { 1176 for (i = 0; i < lp->d_npartitions; i++) { 1177 pp = &lp->d_partitions[i]; 1178 if (part_set[i] && part_size_type[i] == '%') { 1179 /* careful of overflows! and integer roundoff */ 1180 pp->p_size = ((double)pp->p_size/100) * free_space; 1181 total_size += pp->p_size; 1182 1183 /* FIX we can lose a sector or so due to roundoff per 1184 partition. A more complex algorithm could avoid that */ 1185 } 1186 } 1187 } else { 1188 fprintf(stderr, 1189 "%ld sectors available to give to '*' and '%%' partitions\n", 1190 free_space); 1191 errors++; 1192 /* fix? set all % partitions to size 0? */ 1193 } 1194 } 1195 /* give anything remaining to the hog partition */ 1196 if (hog_part != -1) { 1197 lp->d_partitions[hog_part].p_size = lp->d_secperunit - total_size; 1198 total_size = lp->d_secperunit; 1199 } 1200 1201 /* Now set the offsets for each partition */ 1202 current_offset = 0; /* in sectors */ 1203 seen_default_offset = 0; 1204 for (i = 0; i < lp->d_npartitions; i++) { 1205 part = 'a' + i; 1206 pp = &lp->d_partitions[i]; 1207 if (part_set[i]) { 1208 if (part_offset_type[i] == '*') { 1209 if (i == RAW_PART) { 1210 pp->p_offset = 0; 1211 } else { 1212 pp->p_offset = current_offset; 1213 seen_default_offset = 1; 1214 } 1215 } else { 1216 /* allow them to be out of order for old-style tables */ 1217 if (pp->p_offset < current_offset && 1218 seen_default_offset && i != RAW_PART && 1219 pp->p_fstype != FS_VINUM) { 1220 fprintf(stderr, 1221"Offset %ld for partition %c overlaps previous partition which ends at %lu\n", 1222 (long)pp->p_offset,i+'a',current_offset); 1223 fprintf(stderr, 1224"Labels with any *'s for offset must be in ascending order by sector\n"); 1225 errors++; 1226 } else if (pp->p_offset != current_offset && 1227 i != RAW_PART && seen_default_offset) { 1228 /* 1229 * this may give unneeded warnings if 1230 * partitions are out-of-order 1231 */ 1232 warnx( 1233"Offset %ld for partition %c doesn't match expected value %ld", 1234 (long)pp->p_offset, i + 'a', current_offset); 1235 } 1236 } 1237 if (i != RAW_PART) 1238 current_offset = pp->p_offset + pp->p_size; 1239 } 1240 } 1241 1242 for (i = 0; i < lp->d_npartitions; i++) { 1243 part = 'a' + i; 1244 pp = &lp->d_partitions[i]; 1245 if (pp->p_size == 0 && pp->p_offset != 0) 1246 warnx("partition %c: size 0, but offset %lu", 1247 part, (u_long)pp->p_offset); 1248#ifdef notdef 1249 if (pp->p_size % lp->d_secpercyl) 1250 warnx("partition %c: size %% cylinder-size != 0", 1251 part); 1252 if (pp->p_offset % lp->d_secpercyl) 1253 warnx("partition %c: offset %% cylinder-size != 0", 1254 part); 1255#endif 1256 if (pp->p_offset > lp->d_secperunit) { 1257 fprintf(stderr, 1258 "partition %c: offset past end of unit\n", part); 1259 errors++; 1260 } 1261 if (pp->p_offset + pp->p_size > lp->d_secperunit) { 1262 fprintf(stderr, 1263 "partition %c: partition extends past end of unit\n", 1264 part); 1265 errors++; 1266 } 1267 if (i == RAW_PART) { 1268 if (pp->p_fstype != FS_UNUSED) 1269 warnx("partition %c is not marked as unused!",part); 1270 if (pp->p_offset != 0) 1271 warnx("partition %c doesn't start at 0!",part); 1272 if (pp->p_size != lp->d_secperunit) 1273 warnx("partition %c doesn't cover the whole unit!",part); 1274 1275 if ((pp->p_fstype != FS_UNUSED) || (pp->p_offset != 0) || 1276 (pp->p_size != lp->d_secperunit)) { 1277 warnx("An incorrect partition %c may cause problems for " 1278 "standard system utilities",part); 1279 } 1280 } 1281 1282 /* check for overlaps */ 1283 /* this will check for all possible overlaps once and only once */ 1284 for (j = 0; j < i; j++) { 1285 pp2 = &lp->d_partitions[j]; 1286 if (j != RAW_PART && i != RAW_PART && 1287 pp->p_fstype != FS_VINUM && 1288 pp2->p_fstype != FS_VINUM && 1289 part_set[i] && part_set[j]) { 1290 if (pp2->p_offset < pp->p_offset + pp->p_size && 1291 (pp2->p_offset + pp2->p_size > pp->p_offset || 1292 pp2->p_offset >= pp->p_offset)) { 1293 fprintf(stderr,"partitions %c and %c overlap!\n", 1294 j + 'a', i + 'a'); 1295 errors++; 1296 } 1297 } 1298 } 1299 } 1300 for (; i < MAXPARTITIONS; i++) { 1301 part = 'a' + i; 1302 pp = &lp->d_partitions[i]; 1303 if (pp->p_size || pp->p_offset) 1304 warnx("unused partition %c: size %d offset %lu", 1305 'a' + i, pp->p_size, (u_long)pp->p_offset); 1306 } 1307 return (errors); 1308} 1309 1310/* 1311 * When operating on a "virgin" disk, try getting an initial label 1312 * from the associated device driver. This might work for all device 1313 * drivers that are able to fetch some initial device parameters 1314 * without even having access to a (BSD) disklabel, like SCSI disks, 1315 * most IDE drives, or vn devices. 1316 * 1317 * The device name must be given in its "canonical" form. 1318 */ 1319static struct disklabel * 1320getvirginlabel(void) 1321{ 1322 static struct disklabel loclab; 1323 struct partition *dp; 1324 int f; 1325 u_int u; 1326 1327 if ((f = open(specname, O_RDONLY)) == -1) { 1328 warn("cannot open %s", specname); 1329 return (NULL); 1330 } 1331 1332 /* New world order */ 1333 if ((ioctl(f, DIOCGMEDIASIZE, &mediasize) != 0) || 1334 (ioctl(f, DIOCGSECTORSIZE, &secsize) != 0)) { 1335 close (f); 1336 return (NULL); 1337 } 1338 memset(&loclab, 0, sizeof loclab); 1339 loclab.d_magic = DISKMAGIC; 1340 loclab.d_magic2 = DISKMAGIC; 1341 loclab.d_secsize = secsize; 1342 loclab.d_secperunit = mediasize / secsize; 1343 1344 /* 1345 * Nobody in these enligthened days uses the CHS geometry for 1346 * anything, but nontheless try to get it right. If we fail 1347 * to get any good ideas from the device, construct something 1348 * which is IBM-PC friendly. 1349 */ 1350 if (ioctl(f, DIOCGFWSECTORS, &u) == 0) 1351 loclab.d_nsectors = u; 1352 else 1353 loclab.d_nsectors = 63; 1354 if (ioctl(f, DIOCGFWHEADS, &u) == 0) 1355 loclab.d_ntracks = u; 1356 else if (loclab.d_secperunit <= 63*1*1024) 1357 loclab.d_ntracks = 1; 1358 else if (loclab.d_secperunit <= 63*16*1024) 1359 loclab.d_ntracks = 16; 1360 else 1361 loclab.d_ntracks = 255; 1362 loclab.d_secpercyl = loclab.d_ntracks * loclab.d_nsectors; 1363 loclab.d_ncylinders = loclab.d_secperunit / loclab.d_secpercyl; 1364 loclab.d_npartitions = MAXPARTITIONS; 1365 1366 /* Various (unneeded) compat stuff */ 1367 loclab.d_rpm = 3600; 1368 loclab.d_bbsize = BBSIZE; 1369 loclab.d_interleave = 1; 1370 strncpy(loclab.d_typename, "amnesiac", 1371 sizeof(loclab.d_typename)); 1372 1373 dp = &loclab.d_partitions[RAW_PART]; 1374 dp->p_size = loclab.d_secperunit; 1375 loclab.d_checksum = dkcksum(&loclab); 1376 close (f); 1377 return (&loclab); 1378} 1379 1380static void 1381usage(void) 1382{ 1383 1384 fprintf(stderr, 1385 "%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", 1386 "usage: bsdlabel disk", 1387 "\t\t(to read label)", 1388 " bsdlabel -w [-n] [-m machine] disk [type]", 1389 "\t\t(to write label with existing boot program)", 1390 " bsdlabel -e [-n] [-m machine] disk", 1391 "\t\t(to edit label)", 1392 " bsdlabel -R [-n] [-m machine] disk protofile", 1393 "\t\t(to restore label with existing boot program)", 1394 " bsdlabel -B [-b boot] [-m machine] disk", 1395 "\t\t(to install boot program with existing on-disk label)", 1396 " bsdlabel -w -B [-n] [-b boot] [-m machine] disk [type]", 1397 "\t\t(to write label and install boot program)", 1398 " bsdlabel -R -B [-n] [-b boot] [-m machine] disk protofile", 1399 "\t\t(to restore label and install boot program)" 1400 ); 1401 exit(1); 1402} 1403