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