1 /* 2 * Copyright (c) 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Symmetric Computer Systems. 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static const char copyright[] = 39 "@(#) Copyright (c) 1987, 1993\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 #if 0 45 static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94"; 46 /* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */ 47 #endif 48 static const char rcsid[] = 49 "$FreeBSD$"; 50 #endif /* not lint */ 51 52 #include <sys/param.h> 53 #include <sys/file.h> 54 #include <sys/stat.h> 55 #include <sys/wait.h> 56 #define DKTYPENAMES 57 #include <sys/disklabel.h> 58 #include <ufs/ffs/fs.h> 59 #include <unistd.h> 60 #include <string.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <signal.h> 64 #include <stdarg.h> 65 #include <ctype.h> 66 #include <err.h> 67 #include <errno.h> 68 #include "pathnames.h" 69 70 /* 71 * Disklabel: read and write disklabels. 72 * The label is usually placed on one of the first sectors of the disk. 73 * Many machines also place a bootstrap in the same area, 74 * in which case the label is embedded in the bootstrap. 75 * The bootstrap source must leave space at the proper offset 76 * for the label on such machines. 77 */ 78 79 #ifndef BBSIZE 80 #define BBSIZE 8192 /* size of boot area, with label */ 81 #endif 82 83 #ifdef tahoe 84 #define NUMBOOT 0 85 #else 86 #if defined(__alpha__) || defined(hp300) || defined(hp800) 87 #define NUMBOOT 1 88 #else 89 #define NUMBOOT 2 90 #endif 91 #endif 92 93 void makelabel __P((char *, char *, struct disklabel *)); 94 int writelabel __P((int, char *, struct disklabel *)); 95 void l_perror __P((char *)); 96 struct disklabel * readlabel __P((int)); 97 struct disklabel * makebootarea __P((char *, struct disklabel *, int)); 98 void display __P((FILE *, struct disklabel *)); 99 int edit __P((struct disklabel *, int)); 100 int editit __P((void)); 101 char * skip __P((char *)); 102 char * word __P((char *)); 103 int getasciilabel __P((FILE *, struct disklabel *)); 104 int checklabel __P((struct disklabel *)); 105 void setbootflag __P((struct disklabel *)); 106 void Warning (char *, ...); 107 void usage __P((void)); 108 struct disklabel * getvirginlabel __P((void)); 109 110 #define DEFEDITOR _PATH_VI 111 #define streq(a,b) (strcmp(a,b) == 0) 112 113 char *dkname; 114 char *specname; 115 char tmpfil[] = PATH_TMPFILE; 116 117 char namebuf[BBSIZE], *np = namebuf; 118 struct disklabel lab; 119 char bootarea[BBSIZE]; 120 121 #if NUMBOOT > 0 122 int installboot; /* non-zero if we should install a boot program */ 123 char *bootbuf; /* pointer to buffer with remainder of boot prog */ 124 int bootsize; /* size of remaining boot program */ 125 char *xxboot; /* primary boot */ 126 char *bootxx; /* secondary boot */ 127 char boot0[MAXPATHLEN]; 128 char boot1[MAXPATHLEN]; 129 #endif 130 131 enum { 132 UNSPEC, EDIT, NOWRITE, READ, RESTORE, WRITE, WRITEABLE, WRITEBOOT 133 } op = UNSPEC; 134 135 int rflag; 136 137 #ifdef DEBUG 138 int debug; 139 #define OPTIONS "BNRWb:ders:w" 140 #else 141 #define OPTIONS "BNRWb:ers:w" 142 #endif 143 144 int 145 main(argc, argv) 146 int argc; 147 char *argv[]; 148 { 149 register struct disklabel *lp; 150 FILE *t; 151 int ch, f = 0, flag, error = 0; 152 char *name = 0; 153 154 while ((ch = getopt(argc, argv, OPTIONS)) != -1) 155 switch (ch) { 156 #if NUMBOOT > 0 157 case 'B': 158 ++installboot; 159 break; 160 case 'b': 161 xxboot = optarg; 162 break; 163 #if NUMBOOT > 1 164 case 's': 165 bootxx = optarg; 166 break; 167 #endif 168 #endif 169 case 'N': 170 if (op != UNSPEC) 171 usage(); 172 op = NOWRITE; 173 break; 174 case 'R': 175 if (op != UNSPEC) 176 usage(); 177 op = RESTORE; 178 break; 179 case 'W': 180 if (op != UNSPEC) 181 usage(); 182 op = WRITEABLE; 183 break; 184 case 'e': 185 if (op != UNSPEC) 186 usage(); 187 op = EDIT; 188 break; 189 case 'r': 190 ++rflag; 191 break; 192 case 'w': 193 if (op != UNSPEC) 194 usage(); 195 op = WRITE; 196 break; 197 #ifdef DEBUG 198 case 'd': 199 debug++; 200 break; 201 #endif 202 case '?': 203 default: 204 usage(); 205 } 206 argc -= optind; 207 argv += optind; 208 #if NUMBOOT > 0 209 if (installboot) { 210 rflag++; 211 if (op == UNSPEC) 212 op = WRITEBOOT; 213 } else { 214 if (op == UNSPEC) 215 op = READ; 216 xxboot = bootxx = 0; 217 } 218 #else 219 if (op == UNSPEC) 220 op = READ; 221 #endif 222 if (argc < 1) 223 usage(); 224 225 dkname = argv[0]; 226 if (dkname[0] != '/') { 227 (void)sprintf(np, "%s%s%c", _PATH_DEV, dkname, 'a' + RAW_PART); 228 specname = np; 229 np += strlen(specname) + 1; 230 } else 231 specname = dkname; 232 f = open(specname, op == READ ? O_RDONLY : O_RDWR); 233 if (f < 0 && errno == ENOENT && dkname[0] != '/') { 234 (void)sprintf(specname, "%s%s", _PATH_DEV, dkname); 235 np = namebuf + strlen(specname) + 1; 236 f = open(specname, op == READ ? O_RDONLY : O_RDWR); 237 } 238 if (f < 0) 239 err(4, "%s", specname); 240 241 switch(op) { 242 243 case UNSPEC: 244 break; 245 246 case EDIT: 247 if (argc != 1) 248 usage(); 249 lp = readlabel(f); 250 error = edit(lp, f); 251 break; 252 253 case NOWRITE: 254 flag = 0; 255 if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0) 256 err(4, "ioctl DIOCWLABEL"); 257 break; 258 259 case READ: 260 if (argc != 1) 261 usage(); 262 lp = readlabel(f); 263 display(stdout, lp); 264 error = checklabel(lp); 265 break; 266 267 case RESTORE: 268 #if NUMBOOT > 0 269 if (installboot && argc == 3) { 270 makelabel(argv[2], 0, &lab); 271 argc--; 272 273 /* 274 * We only called makelabel() for its side effect 275 * of setting the bootstrap file names. Discard 276 * all changes to `lab' so that all values in the 277 * final label come from the ASCII label. 278 */ 279 bzero((char *)&lab, sizeof(lab)); 280 } 281 #endif 282 if (argc != 2) 283 usage(); 284 if (!(t = fopen(argv[1], "r"))) 285 err(4, "%s", argv[1]); 286 if (!getasciilabel(t, &lab)) 287 exit(1); 288 lp = makebootarea(bootarea, &lab, f); 289 *lp = lab; 290 error = writelabel(f, bootarea, lp); 291 break; 292 293 case WRITE: 294 if (argc == 3) { 295 name = argv[2]; 296 argc--; 297 } 298 if (argc != 2) 299 usage(); 300 makelabel(argv[1], name, &lab); 301 lp = makebootarea(bootarea, &lab, f); 302 *lp = lab; 303 if (checklabel(lp) == 0) 304 error = writelabel(f, bootarea, lp); 305 break; 306 307 case WRITEABLE: 308 flag = 1; 309 if (ioctl(f, DIOCWLABEL, (char *)&flag) < 0) 310 err(4, "ioctl DIOCWLABEL"); 311 break; 312 313 #if NUMBOOT > 0 314 case WRITEBOOT: 315 { 316 struct disklabel tlab; 317 318 lp = readlabel(f); 319 tlab = *lp; 320 if (argc == 2) 321 makelabel(argv[1], 0, &lab); 322 lp = makebootarea(bootarea, &lab, f); 323 *lp = tlab; 324 if (checklabel(lp) == 0) 325 error = writelabel(f, bootarea, lp); 326 break; 327 } 328 #endif 329 } 330 exit(error); 331 } 332 333 /* 334 * Construct a prototype disklabel from /etc/disktab. As a side 335 * effect, set the names of the primary and secondary boot files 336 * if specified. 337 */ 338 void 339 makelabel(type, name, lp) 340 char *type, *name; 341 register struct disklabel *lp; 342 { 343 register struct disklabel *dp; 344 345 if (strcmp(type, "auto") == 0) 346 dp = getvirginlabel(); 347 else 348 dp = getdiskbyname(type); 349 if (dp == NULL) 350 errx(1, "%s: unknown disk type", type); 351 *lp = *dp; 352 #if NUMBOOT > 0 353 /* 354 * Set bootstrap name(s). 355 * 1. If set from command line, use those, 356 * 2. otherwise, check if disktab specifies them (b0 or b1), 357 * 3. otherwise, makebootarea() will choose ones based on the name 358 * of the disk special file. E.g. /dev/ra0 -> raboot, bootra 359 */ 360 if (!xxboot && lp->d_boot0) { 361 if (*lp->d_boot0 != '/') 362 (void)sprintf(boot0, "%s/%s", 363 _PATH_BOOTDIR, lp->d_boot0); 364 else 365 (void)strcpy(boot0, lp->d_boot0); 366 xxboot = boot0; 367 } 368 #if NUMBOOT > 1 369 if (!bootxx && lp->d_boot1) { 370 if (*lp->d_boot1 != '/') 371 (void)sprintf(boot1, "%s/%s", 372 _PATH_BOOTDIR, lp->d_boot1); 373 else 374 (void)strcpy(boot1, lp->d_boot1); 375 bootxx = boot1; 376 } 377 #endif 378 #endif 379 /* d_packname is union d_boot[01], so zero */ 380 bzero(lp->d_packname, sizeof(lp->d_packname)); 381 if (name) 382 (void)strncpy(lp->d_packname, name, sizeof(lp->d_packname)); 383 } 384 385 int 386 writelabel(f, boot, lp) 387 int f; 388 char *boot; 389 register struct disklabel *lp; 390 { 391 int flag; 392 #ifdef __alpha__ 393 u_long *p, sum; 394 int i; 395 #endif 396 #ifdef vax 397 register int i; 398 #endif 399 400 setbootflag(lp); 401 lp->d_magic = DISKMAGIC; 402 lp->d_magic2 = DISKMAGIC; 403 lp->d_checksum = 0; 404 lp->d_checksum = dkcksum(lp); 405 if (rflag) { 406 /* 407 * First set the kernel disk label, 408 * then write a label to the raw disk. 409 * If the SDINFO ioctl fails because it is unimplemented, 410 * keep going; otherwise, the kernel consistency checks 411 * may prevent us from changing the current (in-core) 412 * label. 413 */ 414 if (ioctl(f, DIOCSDINFO, lp) < 0 && 415 errno != ENODEV && errno != ENOTTY) { 416 l_perror("ioctl DIOCSDINFO"); 417 return (1); 418 } 419 (void)lseek(f, (off_t)0, SEEK_SET); 420 421 #ifdef __alpha__ 422 /* 423 * Generate the bootblock checksum for the SRM console. 424 */ 425 for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++) 426 sum += p[i]; 427 p[63] = sum; 428 #endif 429 430 /* 431 * write enable label sector before write (if necessary), 432 * disable after writing. 433 */ 434 flag = 1; 435 if (ioctl(f, DIOCWLABEL, &flag) < 0) 436 warn("ioctl DIOCWLABEL"); 437 if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) { 438 warn("write"); 439 return (1); 440 } 441 #if NUMBOOT > 0 442 /* 443 * Output the remainder of the disklabel 444 */ 445 if (bootbuf && write(f, bootbuf, bootsize) != bootsize) { 446 warn("write"); 447 return(1); 448 } 449 #endif 450 flag = 0; 451 (void) ioctl(f, DIOCWLABEL, &flag); 452 } else if (ioctl(f, DIOCWDINFO, lp) < 0) { 453 l_perror("ioctl DIOCWDINFO"); 454 return (1); 455 } 456 #ifdef vax 457 if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) { 458 daddr_t alt; 459 460 alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors; 461 for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) { 462 (void)lseek(f, (off_t)((alt + i) * lp->d_secsize), 463 SEEK_SET); 464 if (write(f, boot, lp->d_secsize) < lp->d_secsize) 465 warn("alternate label %d write", i/2); 466 } 467 } 468 #endif 469 return (0); 470 } 471 472 void 473 l_perror(s) 474 char *s; 475 { 476 switch (errno) { 477 478 case ESRCH: 479 warnx("%s: no disk label on disk;", s); 480 fprintf(stderr, 481 "use \"disklabel -r\" to install initial label\n"); 482 break; 483 484 case EINVAL: 485 warnx("%s: label magic number or checksum is wrong!", s); 486 fprintf(stderr, "(disklabel or kernel is out of date?)\n"); 487 break; 488 489 case EBUSY: 490 warnx("%s: open partition would move or shrink", s); 491 break; 492 493 case EXDEV: 494 warnx("%s: '%c' partition must start at beginning of disk", 495 s, 'a' + RAW_PART); 496 break; 497 498 default: 499 warn((char *)NULL); 500 break; 501 } 502 } 503 504 /* 505 * Fetch disklabel for disk. 506 * Use ioctl to get label unless -r flag is given. 507 */ 508 struct disklabel * 509 readlabel(f) 510 int f; 511 { 512 register struct disklabel *lp; 513 514 if (rflag) { 515 if (read(f, bootarea, BBSIZE) < BBSIZE) 516 err(4, "%s", specname); 517 for (lp = (struct disklabel *)bootarea; 518 lp <= (struct disklabel *)(bootarea + BBSIZE - sizeof(*lp)); 519 lp = (struct disklabel *)((char *)lp + 16)) 520 if (lp->d_magic == DISKMAGIC && 521 lp->d_magic2 == DISKMAGIC) 522 break; 523 if (lp > (struct disklabel *)(bootarea+BBSIZE-sizeof(*lp)) || 524 lp->d_magic != DISKMAGIC || lp->d_magic2 != DISKMAGIC || 525 dkcksum(lp) != 0) 526 errx(1, 527 "bad pack magic number (label is damaged, or pack is unlabeled)"); 528 } else { 529 lp = &lab; 530 if (ioctl(f, DIOCGDINFO, lp) < 0) 531 err(4, "ioctl DIOCGDINFO"); 532 } 533 return (lp); 534 } 535 536 /* 537 * Construct a bootarea (d_bbsize bytes) in the specified buffer ``boot'' 538 * Returns a pointer to the disklabel portion of the bootarea. 539 */ 540 struct disklabel * 541 makebootarea(boot, dp, f) 542 char *boot; 543 register struct disklabel *dp; 544 int f; 545 { 546 struct disklabel *lp; 547 register char *p; 548 int b; 549 #if NUMBOOT > 0 550 char *dkbasename; 551 struct stat sb; 552 #endif 553 #ifdef __alpha__ 554 u_long *bootinfo; 555 int n; 556 #endif 557 #ifdef __i386__ 558 char *tmpbuf; 559 int i, found; 560 #endif 561 562 /* XXX */ 563 if (dp->d_secsize == 0) { 564 dp->d_secsize = DEV_BSIZE; 565 dp->d_bbsize = BBSIZE; 566 } 567 lp = (struct disklabel *) 568 (boot + (LABELSECTOR * dp->d_secsize) + LABELOFFSET); 569 bzero((char *)lp, sizeof *lp); 570 #if NUMBOOT > 0 571 /* 572 * If we are not installing a boot program but we are installing a 573 * label on disk then we must read the current bootarea so we don't 574 * clobber the existing boot. 575 */ 576 if (!installboot) { 577 if (rflag) { 578 if (read(f, boot, BBSIZE) < BBSIZE) 579 err(4, "%s", specname); 580 bzero((char *)lp, sizeof *lp); 581 } 582 return (lp); 583 } 584 /* 585 * We are installing a boot program. Determine the name(s) and 586 * read them into the appropriate places in the boot area. 587 */ 588 if (!xxboot || !bootxx) { 589 dkbasename = np; 590 if ((p = rindex(dkname, '/')) == NULL) 591 p = dkname; 592 else 593 p++; 594 while (*p && !isdigit(*p)) 595 *np++ = *p++; 596 *np++ = '\0'; 597 598 if (!xxboot) { 599 (void)sprintf(boot0, "%s/boot1", _PATH_BOOTDIR); 600 xxboot = boot0; 601 } 602 #if NUMBOOT > 1 603 if (!bootxx) { 604 (void)sprintf(boot1, "%s/boot2", _PATH_BOOTDIR); 605 bootxx = boot1; 606 } 607 #endif 608 } 609 #ifdef DEBUG 610 if (debug) 611 fprintf(stderr, "bootstraps: xxboot = %s, bootxx = %s\n", 612 xxboot, bootxx ? bootxx : "NONE"); 613 #endif 614 615 /* 616 * Strange rules: 617 * 1. One-piece bootstrap (hp300/hp800) 618 * up to d_bbsize bytes of ``xxboot'' go in bootarea, the rest 619 * is remembered and written later following the bootarea. 620 * 2. Two-piece bootstraps (vax/i386?/mips?) 621 * up to d_secsize bytes of ``xxboot'' go in first d_secsize 622 * bytes of bootarea, remaining d_bbsize-d_secsize filled 623 * from ``bootxx''. 624 */ 625 b = open(xxboot, O_RDONLY); 626 if (b < 0) 627 err(4, "%s", xxboot); 628 #if NUMBOOT > 1 629 #ifdef __i386__ 630 /* 631 * XXX Botch alert. 632 * The i386 has the so-called fdisk table embedded into the 633 * primary bootstrap. We take care to not clobber it, but 634 * only if it does already contain some data. (Otherwise, 635 * the xxboot provides a template.) 636 */ 637 if ((tmpbuf = (char *)malloc((int)dp->d_secsize)) == 0) 638 err(4, "%s", xxboot); 639 memcpy((void *)tmpbuf, (void *)boot, (int)dp->d_secsize); 640 #endif /* i386 */ 641 if (read(b, boot, (int)dp->d_secsize) < 0) 642 err(4, "%s", xxboot); 643 (void)close(b); 644 #ifdef __i386__ 645 for (i = DOSPARTOFF, found = 0; 646 !found && i < DOSPARTOFF + NDOSPART*sizeof(struct dos_partition); 647 i++) 648 found = tmpbuf[i] != 0; 649 if (found) 650 memcpy((void *)&boot[DOSPARTOFF], 651 (void *)&tmpbuf[DOSPARTOFF], 652 NDOSPART * sizeof(struct dos_partition)); 653 free(tmpbuf); 654 #endif /* i386 */ 655 b = open(bootxx, O_RDONLY); 656 if (b < 0) 657 err(4, "%s", bootxx); 658 if (fstat(b, &sb) != 0) 659 err(4, "%s", bootxx); 660 if (dp->d_secsize + sb.st_size > dp->d_bbsize) 661 errx(4, "%s too large", bootxx); 662 if (read(b, &boot[dp->d_secsize], 663 (int)(dp->d_bbsize-dp->d_secsize)) < 0) 664 err(4, "%s", bootxx); 665 #else /* !(NUMBOOT > 1) */ 666 #ifdef __alpha__ 667 /* 668 * On the alpha, the primary bootstrap starts at the 669 * second sector of the boot area. The first sector 670 * contains the label and must be edited to contain the 671 * size and location of the primary bootstrap. 672 */ 673 n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize); 674 if (n < 0) 675 err(4, "%s", xxboot); 676 bootinfo = (u_long *)(boot + 480); 677 bootinfo[0] = (n + dp->d_secsize - 1) / dp->d_secsize; 678 bootinfo[1] = 1; /* start at sector 1 */ 679 bootinfo[2] = 0; /* flags (must be zero) */ 680 #else /* !__alpha__ */ 681 if (read(b, boot, (int)dp->d_bbsize) < 0) 682 err(4, "%s", xxboot); 683 #endif /* __alpha__ */ 684 if (fstat(b, &sb) != 0) 685 err(4, "%s", xxboot); 686 bootsize = (int)sb.st_size - dp->d_bbsize; 687 if (bootsize > 0) { 688 /* XXX assume d_secsize is a power of two */ 689 bootsize = (bootsize + dp->d_secsize-1) & ~(dp->d_secsize-1); 690 bootbuf = (char *)malloc((size_t)bootsize); 691 if (bootbuf == 0) 692 err(4, "%s", xxboot); 693 if (read(b, bootbuf, bootsize) < 0) { 694 free(bootbuf); 695 err(4, "%s", xxboot); 696 } 697 } 698 #endif /* NUMBOOT > 1 */ 699 (void)close(b); 700 #endif /* NUMBOOT > 0 */ 701 /* 702 * Make sure no part of the bootstrap is written in the area 703 * reserved for the label. 704 */ 705 for (p = (char *)lp; p < (char *)lp + sizeof(struct disklabel); p++) 706 if (*p) 707 errx(2, "bootstrap doesn't leave room for disk label"); 708 return (lp); 709 } 710 711 void 712 display(f, lp) 713 FILE *f; 714 register struct disklabel *lp; 715 { 716 register int i, j; 717 register struct partition *pp; 718 719 fprintf(f, "# %s:\n", specname); 720 if ((unsigned) lp->d_type < DKMAXTYPES) 721 fprintf(f, "type: %s\n", dktypenames[lp->d_type]); 722 else 723 fprintf(f, "type: %u\n", lp->d_type); 724 fprintf(f, "disk: %.*s\n", (int)sizeof(lp->d_typename), 725 lp->d_typename); 726 fprintf(f, "label: %.*s\n", (int)sizeof(lp->d_packname), 727 lp->d_packname); 728 fprintf(f, "flags:"); 729 if (lp->d_flags & D_REMOVABLE) 730 fprintf(f, " removeable"); 731 if (lp->d_flags & D_ECC) 732 fprintf(f, " ecc"); 733 if (lp->d_flags & D_BADSECT) 734 fprintf(f, " badsect"); 735 fprintf(f, "\n"); 736 fprintf(f, "bytes/sector: %lu\n", (u_long)lp->d_secsize); 737 fprintf(f, "sectors/track: %lu\n", (u_long)lp->d_nsectors); 738 fprintf(f, "tracks/cylinder: %lu\n", (u_long)lp->d_ntracks); 739 fprintf(f, "sectors/cylinder: %lu\n", (u_long)lp->d_secpercyl); 740 fprintf(f, "cylinders: %lu\n", (u_long)lp->d_ncylinders); 741 fprintf(f, "sectors/unit: %lu\n", (u_long)lp->d_secperunit); 742 fprintf(f, "rpm: %u\n", lp->d_rpm); 743 fprintf(f, "interleave: %u\n", lp->d_interleave); 744 fprintf(f, "trackskew: %u\n", lp->d_trackskew); 745 fprintf(f, "cylinderskew: %u\n", lp->d_cylskew); 746 fprintf(f, "headswitch: %lu\t\t# milliseconds\n", 747 (u_long)lp->d_headswitch); 748 fprintf(f, "track-to-track seek: %ld\t# milliseconds\n", 749 (u_long)lp->d_trkseek); 750 fprintf(f, "drivedata: "); 751 for (i = NDDATA - 1; i >= 0; i--) 752 if (lp->d_drivedata[i]) 753 break; 754 if (i < 0) 755 i = 0; 756 for (j = 0; j <= i; j++) 757 fprintf(f, "%lu ", (u_long)lp->d_drivedata[j]); 758 fprintf(f, "\n\n%u partitions:\n", lp->d_npartitions); 759 fprintf(f, 760 "# size offset fstype [fsize bsize bps/cpg]\n"); 761 pp = lp->d_partitions; 762 for (i = 0; i < lp->d_npartitions; i++, pp++) { 763 if (pp->p_size) { 764 fprintf(f, " %c: %8lu %8lu ", 'a' + i, 765 (u_long)pp->p_size, (u_long)pp->p_offset); 766 if ((unsigned) pp->p_fstype < FSMAXTYPES) 767 fprintf(f, "%8.8s", fstypenames[pp->p_fstype]); 768 else 769 fprintf(f, "%8d", pp->p_fstype); 770 switch (pp->p_fstype) { 771 772 case FS_UNUSED: /* XXX */ 773 fprintf(f, " %5lu %5lu %5.5s ", 774 (u_long)pp->p_fsize, 775 (u_long)(pp->p_fsize * pp->p_frag), ""); 776 break; 777 778 case FS_BSDFFS: 779 fprintf(f, " %5lu %5lu %5u ", 780 (u_long)pp->p_fsize, 781 (u_long)(pp->p_fsize * pp->p_frag), 782 pp->p_cpg); 783 break; 784 785 case FS_BSDLFS: 786 fprintf(f, " %5lu %5lu %5d", 787 (u_long)pp->p_fsize, 788 (u_long)(pp->p_fsize * pp->p_frag), 789 pp->p_cpg); 790 break; 791 792 default: 793 fprintf(f, "%20.20s", ""); 794 break; 795 } 796 fprintf(f, "\t# (Cyl. %4lu", 797 (u_long)(pp->p_offset / lp->d_secpercyl)); 798 if (pp->p_offset % lp->d_secpercyl) 799 putc('*', f); 800 else 801 putc(' ', f); 802 fprintf(f, "- %lu", 803 (u_long)((pp->p_offset + pp->p_size + 804 lp->d_secpercyl - 1) / 805 lp->d_secpercyl - 1)); 806 if (pp->p_size % lp->d_secpercyl) 807 putc('*', f); 808 fprintf(f, ")\n"); 809 } 810 } 811 fflush(f); 812 } 813 814 int 815 edit(lp, f) 816 struct disklabel *lp; 817 int f; 818 { 819 register int c, fd; 820 struct disklabel label; 821 FILE *fp; 822 823 if ((fd = mkstemp(tmpfil)) == -1 || 824 (fp = fdopen(fd, "w")) == NULL) { 825 warnx("can't create %s", tmpfil); 826 return (1); 827 } 828 display(fp, lp); 829 fclose(fp); 830 for (;;) { 831 if (!editit()) 832 break; 833 fp = fopen(tmpfil, "r"); 834 if (fp == NULL) { 835 warnx("can't reopen %s for reading", tmpfil); 836 break; 837 } 838 bzero((char *)&label, sizeof(label)); 839 if (getasciilabel(fp, &label)) { 840 *lp = label; 841 if (writelabel(f, bootarea, lp) == 0) { 842 fclose(fp); 843 (void) unlink(tmpfil); 844 return (0); 845 } 846 } 847 fclose(fp); 848 printf("re-edit the label? [y]: "); fflush(stdout); 849 c = getchar(); 850 if (c != EOF && c != (int)'\n') 851 while (getchar() != (int)'\n') 852 ; 853 if (c == (int)'n') 854 break; 855 } 856 (void) unlink(tmpfil); 857 return (1); 858 } 859 860 int 861 editit() 862 { 863 register int pid, xpid; 864 int stat, omask; 865 866 omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGHUP)); 867 while ((pid = fork()) < 0) { 868 if (errno == EPROCLIM) { 869 warnx("you have too many processes"); 870 return(0); 871 } 872 if (errno != EAGAIN) { 873 warn("fork"); 874 return(0); 875 } 876 sleep(1); 877 } 878 if (pid == 0) { 879 register char *ed; 880 881 sigsetmask(omask); 882 setgid(getgid()); 883 setuid(getuid()); 884 if ((ed = getenv("EDITOR")) == (char *)0) 885 ed = DEFEDITOR; 886 execlp(ed, ed, tmpfil, 0); 887 err(1, "%s", ed); 888 } 889 while ((xpid = wait(&stat)) >= 0) 890 if (xpid == pid) 891 break; 892 sigsetmask(omask); 893 return(!stat); 894 } 895 896 char * 897 skip(cp) 898 register char *cp; 899 { 900 901 while (*cp != '\0' && isspace(*cp)) 902 cp++; 903 if (*cp == '\0' || *cp == '#') 904 return ((char *)NULL); 905 return (cp); 906 } 907 908 char * 909 word(cp) 910 register char *cp; 911 { 912 register char c; 913 914 while (*cp != '\0' && !isspace(*cp) && *cp != '#') 915 cp++; 916 if ((c = *cp) != '\0') { 917 *cp++ = '\0'; 918 if (c != '#') 919 return (skip(cp)); 920 } 921 return ((char *)NULL); 922 } 923 924 /* 925 * Read an ascii label in from fd f, 926 * in the same format as that put out by display(), 927 * and fill in lp. 928 */ 929 int 930 getasciilabel(f, lp) 931 FILE *f; 932 register struct disklabel *lp; 933 { 934 register char **cpp, *cp; 935 register struct partition *pp; 936 char *tp, *s, line[BUFSIZ]; 937 int v, lineno = 0, errors = 0; 938 939 lp->d_bbsize = BBSIZE; /* XXX */ 940 lp->d_sbsize = SBSIZE; /* XXX */ 941 while (fgets(line, sizeof(line) - 1, f)) { 942 lineno++; 943 if ((cp = index(line,'\n')) != 0) 944 *cp = '\0'; 945 cp = skip(line); 946 if (cp == NULL) 947 continue; 948 tp = index(cp, ':'); 949 if (tp == NULL) { 950 fprintf(stderr, "line %d: syntax error\n", lineno); 951 errors++; 952 continue; 953 } 954 *tp++ = '\0', tp = skip(tp); 955 if (streq(cp, "type")) { 956 if (tp == NULL) 957 tp = "unknown"; 958 cpp = dktypenames; 959 for (; cpp < &dktypenames[DKMAXTYPES]; cpp++) 960 if ((s = *cpp) && streq(s, tp)) { 961 lp->d_type = cpp - dktypenames; 962 goto next; 963 } 964 v = atoi(tp); 965 if ((unsigned)v >= DKMAXTYPES) 966 fprintf(stderr, "line %d:%s %d\n", lineno, 967 "Warning, unknown disk type", v); 968 lp->d_type = v; 969 continue; 970 } 971 if (streq(cp, "flags")) { 972 for (v = 0; (cp = tp) && *cp != '\0';) { 973 tp = word(cp); 974 if (streq(cp, "removeable")) 975 v |= D_REMOVABLE; 976 else if (streq(cp, "ecc")) 977 v |= D_ECC; 978 else if (streq(cp, "badsect")) 979 v |= D_BADSECT; 980 else { 981 fprintf(stderr, 982 "line %d: %s: bad flag\n", 983 lineno, cp); 984 errors++; 985 } 986 } 987 lp->d_flags = v; 988 continue; 989 } 990 if (streq(cp, "drivedata")) { 991 register int i; 992 993 for (i = 0; (cp = tp) && *cp != '\0' && i < NDDATA;) { 994 lp->d_drivedata[i++] = atoi(cp); 995 tp = word(cp); 996 } 997 continue; 998 } 999 if (sscanf(cp, "%d partitions", &v) == 1) { 1000 if (v == 0 || (unsigned)v > MAXPARTITIONS) { 1001 fprintf(stderr, 1002 "line %d: bad # of partitions\n", lineno); 1003 lp->d_npartitions = MAXPARTITIONS; 1004 errors++; 1005 } else 1006 lp->d_npartitions = v; 1007 continue; 1008 } 1009 if (tp == NULL) 1010 tp = ""; 1011 if (streq(cp, "disk")) { 1012 strncpy(lp->d_typename, tp, sizeof (lp->d_typename)); 1013 continue; 1014 } 1015 if (streq(cp, "label")) { 1016 strncpy(lp->d_packname, tp, sizeof (lp->d_packname)); 1017 continue; 1018 } 1019 if (streq(cp, "bytes/sector")) { 1020 v = atoi(tp); 1021 if (v <= 0 || (v % DEV_BSIZE) != 0) { 1022 fprintf(stderr, 1023 "line %d: %s: bad sector size\n", 1024 lineno, tp); 1025 errors++; 1026 } else 1027 lp->d_secsize = v; 1028 continue; 1029 } 1030 if (streq(cp, "sectors/track")) { 1031 v = atoi(tp); 1032 if (v <= 0) { 1033 fprintf(stderr, "line %d: %s: bad %s\n", 1034 lineno, tp, cp); 1035 errors++; 1036 } else 1037 lp->d_nsectors = v; 1038 continue; 1039 } 1040 if (streq(cp, "sectors/cylinder")) { 1041 v = atoi(tp); 1042 if (v <= 0) { 1043 fprintf(stderr, "line %d: %s: bad %s\n", 1044 lineno, tp, cp); 1045 errors++; 1046 } else 1047 lp->d_secpercyl = v; 1048 continue; 1049 } 1050 if (streq(cp, "tracks/cylinder")) { 1051 v = atoi(tp); 1052 if (v <= 0) { 1053 fprintf(stderr, "line %d: %s: bad %s\n", 1054 lineno, tp, cp); 1055 errors++; 1056 } else 1057 lp->d_ntracks = v; 1058 continue; 1059 } 1060 if (streq(cp, "cylinders")) { 1061 v = atoi(tp); 1062 if (v <= 0) { 1063 fprintf(stderr, "line %d: %s: bad %s\n", 1064 lineno, tp, cp); 1065 errors++; 1066 } else 1067 lp->d_ncylinders = v; 1068 continue; 1069 } 1070 if (streq(cp, "sectors/unit")) { 1071 v = atoi(tp); 1072 if (v <= 0) { 1073 fprintf(stderr, "line %d: %s: bad %s\n", 1074 lineno, tp, cp); 1075 errors++; 1076 } else 1077 lp->d_secperunit = v; 1078 continue; 1079 } 1080 if (streq(cp, "rpm")) { 1081 v = atoi(tp); 1082 if (v <= 0) { 1083 fprintf(stderr, "line %d: %s: bad %s\n", 1084 lineno, tp, cp); 1085 errors++; 1086 } else 1087 lp->d_rpm = v; 1088 continue; 1089 } 1090 if (streq(cp, "interleave")) { 1091 v = atoi(tp); 1092 if (v <= 0) { 1093 fprintf(stderr, "line %d: %s: bad %s\n", 1094 lineno, tp, cp); 1095 errors++; 1096 } else 1097 lp->d_interleave = v; 1098 continue; 1099 } 1100 if (streq(cp, "trackskew")) { 1101 v = atoi(tp); 1102 if (v < 0) { 1103 fprintf(stderr, "line %d: %s: bad %s\n", 1104 lineno, tp, cp); 1105 errors++; 1106 } else 1107 lp->d_trackskew = v; 1108 continue; 1109 } 1110 if (streq(cp, "cylinderskew")) { 1111 v = atoi(tp); 1112 if (v < 0) { 1113 fprintf(stderr, "line %d: %s: bad %s\n", 1114 lineno, tp, cp); 1115 errors++; 1116 } else 1117 lp->d_cylskew = v; 1118 continue; 1119 } 1120 if (streq(cp, "headswitch")) { 1121 v = atoi(tp); 1122 if (v < 0) { 1123 fprintf(stderr, "line %d: %s: bad %s\n", 1124 lineno, tp, cp); 1125 errors++; 1126 } else 1127 lp->d_headswitch = v; 1128 continue; 1129 } 1130 if (streq(cp, "track-to-track seek")) { 1131 v = atoi(tp); 1132 if (v < 0) { 1133 fprintf(stderr, "line %d: %s: bad %s\n", 1134 lineno, tp, cp); 1135 errors++; 1136 } else 1137 lp->d_trkseek = v; 1138 continue; 1139 } 1140 if ('a' <= *cp && *cp <= 'z' && cp[1] == '\0') { 1141 unsigned part = *cp - 'a'; 1142 1143 if (part > lp->d_npartitions) { 1144 fprintf(stderr, 1145 "line %d: bad partition name\n", lineno); 1146 errors++; 1147 continue; 1148 } 1149 pp = &lp->d_partitions[part]; 1150 #define NXTNUM(n) { \ 1151 if (tp == NULL) { \ 1152 fprintf(stderr, "line %d: too few numeric fields\n", lineno); \ 1153 errors++; \ 1154 break; \ 1155 } else { \ 1156 cp = tp, tp = word(cp); \ 1157 if (tp == NULL) \ 1158 tp = cp; \ 1159 (n) = atoi(cp); \ 1160 } \ 1161 } 1162 1163 NXTNUM(v); 1164 if (v < 0) { 1165 fprintf(stderr, 1166 "line %d: %s: bad partition size\n", 1167 lineno, cp); 1168 errors++; 1169 } else 1170 pp->p_size = v; 1171 NXTNUM(v); 1172 if (v < 0) { 1173 fprintf(stderr, 1174 "line %d: %s: bad partition offset\n", 1175 lineno, cp); 1176 errors++; 1177 } else 1178 pp->p_offset = v; 1179 cp = tp, tp = word(cp); 1180 cpp = fstypenames; 1181 for (; cpp < &fstypenames[FSMAXTYPES]; cpp++) 1182 if ((s = *cpp) && streq(s, cp)) { 1183 pp->p_fstype = cpp - fstypenames; 1184 goto gottype; 1185 } 1186 if (isdigit(*cp)) 1187 v = atoi(cp); 1188 else 1189 v = FSMAXTYPES; 1190 if ((unsigned)v >= FSMAXTYPES) { 1191 fprintf(stderr, "line %d: %s %s\n", lineno, 1192 "Warning, unknown filesystem type", cp); 1193 v = FS_UNUSED; 1194 } 1195 pp->p_fstype = v; 1196 gottype: 1197 1198 switch (pp->p_fstype) { 1199 1200 case FS_UNUSED: /* XXX */ 1201 NXTNUM(pp->p_fsize); 1202 if (pp->p_fsize == 0) 1203 break; 1204 NXTNUM(v); 1205 pp->p_frag = v / pp->p_fsize; 1206 break; 1207 1208 case FS_BSDFFS: 1209 NXTNUM(pp->p_fsize); 1210 if (pp->p_fsize == 0) 1211 break; 1212 NXTNUM(v); 1213 pp->p_frag = v / pp->p_fsize; 1214 NXTNUM(pp->p_cpg); 1215 break; 1216 1217 case FS_BSDLFS: 1218 NXTNUM(pp->p_fsize); 1219 if (pp->p_fsize == 0) 1220 break; 1221 NXTNUM(v); 1222 pp->p_frag = v / pp->p_fsize; 1223 NXTNUM(pp->p_cpg); 1224 break; 1225 1226 default: 1227 break; 1228 } 1229 continue; 1230 } 1231 fprintf(stderr, "line %d: %s: Unknown disklabel field\n", 1232 lineno, cp); 1233 errors++; 1234 next: 1235 ; 1236 } 1237 errors += checklabel(lp); 1238 return (errors == 0); 1239 } 1240 1241 /* 1242 * Check disklabel for errors and fill in 1243 * derived fields according to supplied values. 1244 */ 1245 int 1246 checklabel(lp) 1247 register struct disklabel *lp; 1248 { 1249 register struct partition *pp; 1250 int i, errors = 0; 1251 char part; 1252 1253 if (lp->d_secsize == 0) { 1254 fprintf(stderr, "sector size 0\n"); 1255 return (1); 1256 } 1257 if (lp->d_nsectors == 0) { 1258 fprintf(stderr, "sectors/track 0\n"); 1259 return (1); 1260 } 1261 if (lp->d_ntracks == 0) { 1262 fprintf(stderr, "tracks/cylinder 0\n"); 1263 return (1); 1264 } 1265 if (lp->d_ncylinders == 0) { 1266 fprintf(stderr, "cylinders/unit 0\n"); 1267 errors++; 1268 } 1269 if (lp->d_rpm == 0) 1270 Warning("revolutions/minute 0"); 1271 if (lp->d_secpercyl == 0) 1272 lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; 1273 if (lp->d_secperunit == 0) 1274 lp->d_secperunit = lp->d_secpercyl * lp->d_ncylinders; 1275 if (lp->d_bbsize == 0) { 1276 fprintf(stderr, "boot block size 0\n"); 1277 errors++; 1278 } else if (lp->d_bbsize % lp->d_secsize) 1279 Warning("boot block size %% sector-size != 0"); 1280 if (lp->d_sbsize == 0) { 1281 fprintf(stderr, "super block size 0\n"); 1282 errors++; 1283 } else if (lp->d_sbsize % lp->d_secsize) 1284 Warning("super block size %% sector-size != 0"); 1285 if (lp->d_npartitions > MAXPARTITIONS) 1286 Warning("number of partitions (%lu) > MAXPARTITIONS (%d)", 1287 (u_long)lp->d_npartitions, MAXPARTITIONS); 1288 for (i = 0; i < lp->d_npartitions; i++) { 1289 part = 'a' + i; 1290 pp = &lp->d_partitions[i]; 1291 if (pp->p_size == 0 && pp->p_offset != 0) 1292 Warning("partition %c: size 0, but offset %lu", 1293 part, (u_long)pp->p_offset); 1294 #ifdef notdef 1295 if (pp->p_size % lp->d_secpercyl) 1296 Warning("partition %c: size %% cylinder-size != 0", 1297 part); 1298 if (pp->p_offset % lp->d_secpercyl) 1299 Warning("partition %c: offset %% cylinder-size != 0", 1300 part); 1301 #endif 1302 if (pp->p_offset > lp->d_secperunit) { 1303 fprintf(stderr, 1304 "partition %c: offset past end of unit\n", part); 1305 errors++; 1306 } 1307 if (pp->p_offset + pp->p_size > lp->d_secperunit) { 1308 fprintf(stderr, 1309 "partition %c: partition extends past end of unit\n", 1310 part); 1311 errors++; 1312 } 1313 } 1314 for (; i < MAXPARTITIONS; i++) { 1315 part = 'a' + i; 1316 pp = &lp->d_partitions[i]; 1317 if (pp->p_size || pp->p_offset) 1318 Warning("unused partition %c: size %d offset %lu", 1319 'a' + i, pp->p_size, (u_long)pp->p_offset); 1320 } 1321 return (errors); 1322 } 1323 1324 /* 1325 * When operating on a "virgin" disk, try getting an initial label 1326 * from the associated device driver. This might work for all device 1327 * drivers that are able to fetch some initial device parameters 1328 * without even having access to a (BSD) disklabel, like SCSI disks, 1329 * most IDE drives, or vn devices. 1330 * 1331 * The device name must be given in its "canonical" form. 1332 */ 1333 struct disklabel * 1334 getvirginlabel(void) 1335 { 1336 static struct disklabel lab; 1337 char namebuf[BBSIZE]; 1338 int f; 1339 1340 if (dkname[0] == '/') { 1341 warnx("\"auto\" requires the usage of a canonical disk name"); 1342 return (NULL); 1343 } 1344 (void)snprintf(namebuf, BBSIZE, "%s%s", _PATH_DEV, dkname); 1345 if ((f = open(namebuf, O_RDONLY)) == -1) { 1346 warn("cannot open %s", namebuf); 1347 return (NULL); 1348 } 1349 1350 /* 1351 * Try to use the new get-virgin-label ioctl. If it fails, 1352 * fallback to the old get-disdk-info ioctl. 1353 */ 1354 if (ioctl(f, DIOCGDVIRGIN, &lab) < 0) { 1355 if (ioctl(f, DIOCGDINFO, &lab) < 0) { 1356 warn("ioctl DIOCGDINFO"); 1357 close(f); 1358 return (NULL); 1359 } 1360 } 1361 close(f); 1362 lab.d_boot0 = NULL; 1363 lab.d_boot1 = NULL; 1364 return (&lab); 1365 } 1366 1367 /* 1368 * If we are installing a boot program that doesn't fit in d_bbsize 1369 * we need to mark those partitions that the boot overflows into. 1370 * This allows newfs to prevent creation of a filesystem where it might 1371 * clobber bootstrap code. 1372 */ 1373 void 1374 setbootflag(lp) 1375 register struct disklabel *lp; 1376 { 1377 register struct partition *pp; 1378 int i, errors = 0; 1379 char part; 1380 u_long boffset; 1381 1382 if (bootbuf == 0) 1383 return; 1384 boffset = bootsize / lp->d_secsize; 1385 for (i = 0; i < lp->d_npartitions; i++) { 1386 part = 'a' + i; 1387 pp = &lp->d_partitions[i]; 1388 if (pp->p_size == 0) 1389 continue; 1390 if (boffset <= pp->p_offset) { 1391 if (pp->p_fstype == FS_BOOT) 1392 pp->p_fstype = FS_UNUSED; 1393 } else if (pp->p_fstype != FS_BOOT) { 1394 if (pp->p_fstype != FS_UNUSED) { 1395 fprintf(stderr, 1396 "boot overlaps used partition %c\n", 1397 part); 1398 errors++; 1399 } else { 1400 pp->p_fstype = FS_BOOT; 1401 Warning("boot overlaps partition %c, %s", 1402 part, "marked as FS_BOOT"); 1403 } 1404 } 1405 } 1406 if (errors) 1407 errx(4, "cannot install boot program"); 1408 } 1409 1410 /*VARARGS1*/ 1411 void 1412 Warning(char *fmt, ...) 1413 { 1414 va_list ap; 1415 1416 fprintf(stderr, "Warning, "); 1417 va_start(ap, fmt); 1418 vfprintf(stderr, fmt, ap); 1419 fprintf(stderr, "\n"); 1420 va_end(ap); 1421 } 1422 1423 void 1424 usage() 1425 { 1426 #if NUMBOOT > 0 1427 fprintf(stderr, "%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%s\n%s\n", 1428 "usage: disklabel [-r] disk", 1429 "\t\t(to read label)", 1430 " disklabel -w [-r] disk type [ packid ]", 1431 "\t\t(to write label with existing boot program)", 1432 " disklabel -e [-r] disk", 1433 "\t\t(to edit label)", 1434 " disklabel -R [-r] disk protofile", 1435 "\t\t(to restore label with existing boot program)", 1436 #if NUMBOOT > 1 1437 " disklabel -B [ -b boot1 [ -s boot2 ] ] disk [ type ]", 1438 "\t\t(to install boot program with existing label)", 1439 " disklabel -w -B [ -b boot1 [ -s boot2 ] ] disk type [ packid ]", 1440 "\t\t(to write label and boot program)", 1441 " disklabel -R -B [ -b boot1 [ -s boot2 ] ] disk protofile [ type ]", 1442 "\t\t(to restore label and boot program)", 1443 #else 1444 " disklabel -B [ -b bootprog ] disk [ type ]", 1445 "\t\t(to install boot program with existing on-disk label)", 1446 " disklabel -w -B [ -b bootprog ] disk type [ packid ]", 1447 "\t\t(to write label and install boot program)", 1448 " disklabel -R -B [ -b bootprog ] disk protofile [ type ]", 1449 "\t\t(to restore label and install boot program)", 1450 #endif 1451 " disklabel [-NW] disk", 1452 "\t\t(to write disable/enable label)"); 1453 #else 1454 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", 1455 "usage: disklabel [-r] disk", "(to read label)", 1456 " disklabel -w [-r] disk type [ packid ]", 1457 "\t\t(to write label)", 1458 " disklabel -e [-r] disk", 1459 "\t\t(to edit label)", 1460 " disklabel -R [-r] disk protofile", 1461 "\t\t(to restore label)", 1462 " disklabel [-NW] disk", 1463 "\t\t(to write disable/enable label)"); 1464 #endif 1465 exit(1); 1466 } 1467