1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 29 /* All Rights Reserved */ 30 31 /* Copyright (c) 1987, 1988 Microsoft Corporation */ 32 /* All Rights Reserved */ 33 34 /* 35 * PROGRAM: fdisk(1M) 36 * This program reads the partition table on the specified device and 37 * also reads the drive parameters. The user can perform various 38 * operations from a supplied menu or from the command line. Diagnostic 39 * options are also available. 40 */ 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 #include <errno.h> 46 #include <fcntl.h> 47 #include <ctype.h> 48 #include <sys/stat.h> 49 #include <sys/types.h> 50 #include <limits.h> 51 #include <sys/param.h> 52 #include <sys/systeminfo.h> 53 #include <sys/efi_partition.h> 54 #include <sys/byteorder.h> 55 #include <sys/systeminfo.h> 56 57 #include <sys/dktp/fdisk.h> 58 #include <sys/dkio.h> 59 #include <sys/vtoc.h> 60 #ifdef i386 61 #include <sys/tty.h> 62 #include <libfdisk.h> 63 #endif 64 65 #define CLR_SCR "[1;1H[0J" 66 #define CLR_LIN "[0K" 67 #define HOME "[1;1H[0K[2;1H[0K[3;1H[0K[4;1H[0K[5;1H[0K" \ 68 "[6;1H[0K[7;1H[0K[8;1H[0K[9;1H[0K[10;1H[0K[1;1H" 69 #define Q_LINE "[22;1H[0K[21;1H[0K[20;1H[0K" 70 71 #ifdef i386 72 #define W_LINE "[11;1H[0K" 73 #else 74 #define W_LINE "[12;1H[0K[11;1H[0K" 75 #endif 76 77 #define E_LINE "[24;1H[0K[23;1H[0K" 78 79 #ifdef i386 80 #define M_LINE "[12;1H[0K[13;1H[0K[14;1H[0K[15;1H[0K" \ 81 "[16;1H[0K[17;1H[0K[18;1H[0K[19;1H[0K[12;1H" 82 #else 83 #define M_LINE "[13;1H[0K[14;1H[0K[15;1H[0K[16;1H[0K[17;1H" \ 84 "[0K[18;1H[0K[19;1H[0K[13;1H" 85 #endif 86 87 #define T_LINE "[1;1H[0K" 88 89 #define DEFAULT_PATH "/dev/rdsk/" 90 91 /* XXX - should be in fdisk.h, used by sd as well */ 92 93 /* 94 * the MAX values are the maximum usable values for BIOS chs values 95 * The MAX_CYL value of 1022 is the maximum usable value 96 * the value of 1023 is a fence value, 97 * indicating no CHS geometry exists for the corresponding LBA value. 98 * HEAD range [ 0 .. MAX_HEAD ], so number of heads is (MAX_HEAD + 1) 99 * SECT range [ 1 .. MAX_SECT ], so number of sectors is (MAX_SECT) 100 */ 101 #define MAX_SECT (63) 102 #define MAX_CYL (1022) 103 #define MAX_HEAD (254) 104 105 #define DK_MAX_2TB UINT32_MAX /* Max # of sectors in 2TB */ 106 107 /* for clear_vtoc() */ 108 #define OLD 0 109 #define NEW 1 110 111 /* readvtoc/writevtoc return codes */ 112 #define VTOC_OK 0 /* Good VTOC */ 113 #define VTOC_INVAL 1 /* invalid VTOC */ 114 #define VTOC_NOTSUP 2 /* operation not supported - EFI label */ 115 #define VTOC_RWERR 3 /* couldn't read or write VTOC */ 116 117 /* 118 * Support for fdisk(1M) on the SPARC platform 119 * In order to convert little endian values to big endian for SPARC, 120 * byte/short and long values must be swapped. 121 * These swapping macros will be used to access information in the 122 * mboot and ipart structures. 123 */ 124 125 #ifdef sparc 126 #define les(val) ((((val)&0xFF)<<8)|(((val)>>8)&0xFF)) 127 #define lel(val) (((unsigned)(les((val)&0x0000FFFF))<<16) | \ 128 (les((unsigned)((val)&0xffff0000)>>16))) 129 #else 130 #define les(val) (val) 131 #define lel(val) (val) 132 #endif 133 134 #if defined(_SUNOS_VTOC_16) 135 #define VTOC_OFFSET 1 136 #elif defined(_SUNOS_VTOC_8) 137 #define VTOC_OFFSET 0 138 #else 139 #error No VTOC format defined. 140 #endif 141 142 #ifdef i386 143 #define FDISK_KB (1024) 144 #define FDISK_MB (FDISK_KB * 1024) 145 #define FDISK_GB (FDISK_MB * 1024) 146 #define TRUE 1 147 148 #define FDISK_MAX_VALID_PART_ID 255 149 #define FDISK_MAX_VALID_PART_NUM_DIGITS 2 150 #define FDISK_MAX_VALID_PART_ID_DIGITS 3 151 152 /* Maximum number of digits for a valid partition size */ 153 #define FDISK_MAX_VALID_CYL_NUM_DIGITS 10 154 155 /* Minimum partition size in cylinders */ 156 #define FDISK_MIN_PART_SIZE 1 157 #endif 158 159 static char Usage[] = "Usage: fdisk\n" 160 "[ -A id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect ]\n" 161 "[ -b masterboot ]\n" 162 "[ -D id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect ]\n" 163 "[ -F fdisk_file ] [ -h ] [ -o offset ] [ -P fill_patt ] [ -s size ]\n" 164 "[ -S geom_file ] [ [ -v ] -W { creat_fdisk_file | - } ]\n" 165 "[ -w | r | d | n | I | B | E | g | G | R | t | T ] rdevice"; 166 167 static char Usage1[] = " Partition options:\n" 168 " -A id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect\n" 169 " Create a partition with specific attributes:\n" 170 " id = system id number (fdisk.h) for the partition type\n" 171 " act = active partition flag (0 is off and 128 is on)\n" 172 " bhead = beginning head for start of partition\n" 173 " bsect = beginning sector for start of partition\n" 174 " bcyl = beginning cylinder for start of partition\n" 175 " ehead = ending head for end of partition\n" 176 " esect = ending sector for end of partition\n" 177 " ecyl = ending cylinder for end of partition\n" 178 " rsect = sector number from start of disk for\n" 179 " start of partition\n" 180 " numsect = partition size in sectors\n" 181 " -b master_boot\n" 182 " Use master_boot as the master boot file.\n" 183 " -B Create one Solaris partition that uses the entire disk.\n" 184 " -E Create one EFI partition that uses the entire disk.\n" 185 " -D id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect\n" 186 " Delete a partition. See attribute definitions for -A.\n" 187 " -F fdisk_file\n" 188 " Use fdisk_file to initialize on-line fdisk table.\n" 189 " -I Forego device checks. Generate a file image of what would go\n" 190 " on a disk using the geometry specified with the -S option.\n" 191 " -n Do not run in interactive mode.\n" 192 " -R Open the disk device as read-only.\n" 193 " -t Check and adjust VTOC to be consistent with fdisk table.\n" 194 " VTOC slices exceeding the partition size will be truncated.\n" 195 " -T Check and adjust VTOC to be consistent with fdisk table.\n" 196 " VTOC slices exceeding the partition size will be removed.\n" 197 " -W fdisk_file\n" 198 " Write on-disk table to fdisk_file.\n" 199 " -W - Write on-disk table to standard output.\n" 200 " -v Display virtual geometry. Must be used with the -W option.\n" 201 " Diagnostic options:\n" 202 " -d Activate debug information about progress.\n" 203 " -g Write label geometry to standard output:\n" 204 " PCYL number of physical cylinders\n" 205 " NCYL number of usable cylinders\n" 206 " ACYL number of alternate cylinders\n" 207 " BCYL cylinder offset\n" 208 " NHEADS number of heads\n" 209 " NSECTORS number of sectors per track\n" 210 " SECTSIZ size of a sector in bytes\n" 211 " -G Write physical geometry to standard output (see -g).\n" 212 " -h Issue this verbose help message.\n" 213 " -o offset\n" 214 " Block offset from start of disk (default 0). Ignored if\n" 215 " -P # specified.\n" 216 " -P fill_patt\n" 217 " Fill disk with pattern fill_patt. fill_patt can be decimal or\n" 218 " hexadecimal and is used as number for constant long word\n" 219 " pattern. If fill_patt is \"#\" then pattern of block #\n" 220 " for each block. Pattern is put in each block as long words\n" 221 " and fills each block (see -o and -s).\n" 222 " -r Read from a disk to stdout (see -o and -s).\n" 223 " -s size Number of blocks on which to perform operation (see -o).\n" 224 " -S geom_file\n" 225 " Use geom_file to set the label geometry (see -g).\n" 226 " -w Write to a disk from stdin (see -o and -s)."; 227 228 static char Ostr[] = "Other OS"; 229 static char Dstr[] = "DOS12"; 230 static char D16str[] = "DOS16"; 231 static char DDstr[] = "DOS-DATA"; 232 static char EDstr[] = "EXT-DOS"; 233 static char DBstr[] = "DOS-BIG"; 234 static char PCstr[] = "PCIX"; 235 static char Ustr[] = "UNIX System"; 236 static char SUstr[] = "Solaris"; 237 static char SU2str[] = "Solaris2"; 238 static char X86str[] = "x86 Boot"; 239 static char DIAGstr[] = "Diagnostic"; 240 static char IFSstr[] = "IFS: NTFS"; 241 static char AIXstr[] = "AIX Boot"; 242 static char AIXDstr[] = "AIX Data"; 243 static char OS2str[] = "OS/2 Boot"; 244 static char WINstr[] = "Win95 FAT32"; 245 static char EWINstr[] = "Ext Win95"; 246 static char FAT95str[] = "FAT16 LBA"; 247 static char EXTLstr[] = "EXT LBA"; 248 static char LINUXstr[] = "Linux"; 249 static char CPMstr[] = "CP/M"; 250 static char NOV2str[] = "Netware 286"; 251 static char NOVstr[] = "Netware 3.x+"; 252 static char QNXstr[] = "QNX 4.x"; 253 static char QNX2str[] = "QNX part 2"; 254 static char QNX3str[] = "QNX part 3"; 255 static char LINNATstr[] = "Linux native"; 256 static char LINSWAPstr[] = "Linux swap"; 257 static char NTFSVOL1str[] = "NT volset 1"; 258 static char NTFSVOL2str[] = "NT volset 2"; 259 static char BSDstr[] = "BSD OS"; 260 static char NEXTSTEPstr[] = "NeXTSTEP"; 261 static char BSDIFSstr[] = "BSDI FS"; 262 static char BSDISWAPstr[] = "BSDI swap"; 263 static char Actvstr[] = "Active"; 264 static char EFIstr[] = "EFI"; 265 static char NAstr[] = " "; 266 267 /* All the user options and flags */ 268 static char *Dfltdev; /* name of fixed disk drive */ 269 270 /* Diagnostic options */ 271 static int io_wrt = 0; /* write stdin to disk (-w) */ 272 static int io_rd = 0; /* read disk and write stdout (-r) */ 273 static char *io_fatt; /* user supplied pattern (-P pattern) */ 274 static int io_patt = 0; /* write pattern to disk (-P pattern) */ 275 static int io_lgeom = 0; /* get label geometry (-g) */ 276 static int io_pgeom = 0; /* get drive physical geometry (-G) */ 277 static char *io_sgeom = 0; /* set label geometry (-S geom_file) */ 278 static int io_readonly = 0; /* do not write to disk (-R) */ 279 280 /* The -o offset and -s size options specify the area of the disk on */ 281 /* which to perform the particular operation; i.e., -P, -r, or -w. */ 282 static off_t io_offset = 0; /* offset sector (-o offset) */ 283 static off_t io_size = 0; /* size in sectors (-s size) */ 284 285 /* Partition table flags */ 286 static int v_flag = 0; /* virtual geometry-HBA flag (-v) */ 287 static int stdo_flag = 0; /* stdout flag (-W -) */ 288 static int io_fdisk = 0; /* do fdisk operation */ 289 static int io_ifdisk = 0; /* interactive partition */ 290 static int io_nifdisk = 0; /* non-interactive partition (-n) */ 291 292 static int io_adjt = 0; /* check/adjust VTOC (truncate (-t)) */ 293 static int io_ADJT = 0; /* check/adjust VTOC (delete (-T)) */ 294 static char *io_ffdisk = 0; /* input fdisk file name (-F file) */ 295 static char *io_Wfdisk = 0; /* output fdisk file name (-W file) */ 296 static char *io_Afdisk = 0; /* add entry to partition table (-A) */ 297 static char *io_Dfdisk = 0; /* delete entry from part. table (-D) */ 298 299 static char *io_mboot = 0; /* master boot record (-b boot_file) */ 300 301 static struct mboot BootCod; /* buffer for master boot record */ 302 303 static int io_wholedisk = 0; /* use whole disk for Solaris (-B) */ 304 static int io_EFIdisk = 0; /* use whole disk for EFI (-E) */ 305 static int io_debug = 0; /* activate verbose mode (-d) */ 306 static int io_image = 0; /* create image using geometry (-I) */ 307 308 static struct mboot *Bootblk; /* pointer to cut/paste sector zero */ 309 static char *Bootsect; /* pointer to sector zero buffer */ 310 static char *Nullsect; 311 static struct extvtoc disk_vtoc; /* verify VTOC table */ 312 static int vt_inval = 0; 313 static int no_virtgeom_ioctl = 0; /* ioctl for virtual geometry failed */ 314 static int no_physgeom_ioctl = 0; /* ioctl for physical geometry failed */ 315 316 static struct ipart Table[FD_NUMPART]; 317 static struct ipart Old_Table[FD_NUMPART]; 318 static int skip_verify[FD_NUMPART]; /* special case skip sz chk */ 319 320 /* Disk geometry information */ 321 static struct dk_minfo minfo; 322 static struct dk_geom disk_geom; 323 324 static int Dev; /* fd for open device */ 325 326 static diskaddr_t dev_capacity; /* number of blocks on device */ 327 static diskaddr_t chs_capacity; /* Numcyl_usable * heads * sectors */ 328 329 static int Numcyl_usable; /* Number of usable cylinders */ 330 /* used to limit fdisk to 2TB */ 331 332 /* Physical geometry for the drive */ 333 static int Numcyl; /* number of cylinders */ 334 static int heads; /* number of heads */ 335 static int sectors; /* number of sectors per track */ 336 static int acyl; /* number of alternate sectors */ 337 338 /* HBA (virtual) geometry for the drive */ 339 static int hba_Numcyl; /* number of cylinders */ 340 static int hba_heads; /* number of heads */ 341 static int hba_sectors; /* number of sectors per track */ 342 343 static int sectsiz; /* sector size */ 344 345 /* Load functions for fdisk table modification */ 346 #define LOADFILE 0 /* load fdisk from file */ 347 #define LOADDEL 1 /* delete an fdisk entry */ 348 #define LOADADD 2 /* add an fdisk entry */ 349 350 #define CBUFLEN 80 351 static char s[CBUFLEN]; 352 353 #ifdef i386 354 /* 355 * Complete list of all the 255 partition types. Some are unknown types 356 * and some entries are known to be unused. 357 * 358 * Courtesy of http://www.win.tue.nl/~aeb/partitions/partition_types-1.html 359 */ 360 char *fdisk_part_types[] = { 361 "Empty", /* 0 */ 362 "FAT12", /* 1 */ 363 "XENIX /", /* 2 */ 364 "XENIX /usr", /* 3 */ 365 "FAT16 (Upto 32M)", /* 4 */ 366 "DOS Extended", /* 5 */ 367 "FAT16 (>32M, HUGEDOS)", /* 6 */ 368 "IFS: NTFS", /* 7 */ 369 "AIX Boot/QNX(qny)", /* 8 */ 370 "AIX Data/QNX(qnz)", /* 9 */ 371 "OS/2 Boot/Coherent swap", /* 10 */ 372 "WIN95 FAT32(Upto 2047GB)", /* 11 */ 373 "WIN95 FAT32(LBA)", /* 12 */ 374 "Unused", /* 13 */ 375 "WIN95 FAT16(LBA)", /* 14 */ 376 "WIN95 Extended(LBA)", /* 15 */ 377 "OPUS", /* 16 */ 378 "Hidden FAT12", /* 17 */ 379 "Diagnostic", /* 18 */ 380 "Unknown", /* 19 */ 381 "Hidden FAT16(Upto 32M)", /* 20 */ 382 "Unknown", /* 21 */ 383 "Hidden FAT16(>=32M)", /* 22 */ 384 "Hidden IFS: HPFS", /* 23 */ 385 "AST SmartSleep Partition", /* 24 */ 386 "Unused/Willowtech Photon", /* 25 */ 387 "Unknown", /* 26 */ 388 "Hidden FAT32", /* 27 */ 389 "Hidden FAT32(LBA)", /* 28 */ 390 "Unused", /* 29 */ 391 "Hidden FAT16(LBA)", /* 30 */ 392 "Unknown", /* 31 */ 393 "Unused/OSF1", /* 32 */ 394 "Reserved/FSo2(Oxygen FS)", /* 33 */ 395 "Unused/(Oxygen EXT)", /* 34 */ 396 "Reserved", /* 35 */ 397 "NEC DOS 3.x", /* 36 */ 398 "Unknown", /* 37 */ 399 "Reserved", /* 38 */ 400 "Unknown", /* 39 */ 401 "Unknown", /* 40 */ 402 "Unknown", /* 41 */ 403 "AtheOS File System", /* 42 */ 404 "SyllableSecure", /* 43 */ 405 "Unknown", /* 44 */ 406 "Unknown", /* 45 */ 407 "Unknown", /* 46 */ 408 "Unknown", /* 47 */ 409 "Unknown", /* 48 */ 410 "Reserved", /* 49 */ 411 "NOS", /* 50 */ 412 "Reserved", /* 51 */ 413 "Reserved", /* 52 */ 414 "JFS on OS/2", /* 53 */ 415 "Reserved", /* 54 */ 416 "Unknown", /* 55 */ 417 "THEOS 3.2 2GB", /* 56 */ 418 "Plan9/THEOS 4", /* 57 */ 419 "THEOS 4 4GB", /* 58 */ 420 "THEOS 4 Extended", /* 59 */ 421 "PartitionMagic Recovery", /* 60 */ 422 "Hidden NetWare", /* 61 */ 423 "Unknown", /* 62 */ 424 "Unknown", /* 63 */ 425 "Venix 80286", /* 64 */ 426 "MINIX/PPC PReP Boot", /* 65 */ 427 "Win2K Dynamic Disk/SFS(DOS)", /* 66 */ 428 "Linux+DRDOS shared", /* 67 */ 429 "GoBack partition", /* 68 */ 430 "Boot-US boot manager", /* 69 */ 431 "EUMEL/Elan", /* 70 */ 432 "EUMEL/Elan", /* 71 */ 433 "EUMEL/Elan", /* 72 */ 434 "Unknown", /* 73 */ 435 "ALFS/THIN FS for DOS", /* 74 */ 436 "Unknown", /* 75 */ 437 "Oberon partition", /* 76 */ 438 "QNX 4,x", /* 77 */ 439 "QNX 4,x 2nd Part", /* 78 */ 440 "QNX 4,x 3rd Part", /* 79 */ 441 "OnTrack DM R/O, Lynx RTOS", /* 80 */ 442 "OnTrack DM R/W, Novell", /* 81 */ 443 "CP/M", /* 82 */ 444 "Disk Manager 6.0 Aux3", /* 83 */ 445 "Disk Manager 6.0 DDO", /* 84 */ 446 "EZ-Drive", /* 85 */ 447 "Golden Bow VFeature/AT&T MS-DOS", /* 86 */ 448 "DrivePro", /* 87 */ 449 "Unknown", /* 88 */ 450 "Unknown", /* 89 */ 451 "Unknown", /* 90 */ 452 "Unknown", /* 91 */ 453 "Priam EDisk", /* 92 */ 454 "Unknown", /* 93 */ 455 "Unknown", /* 94 */ 456 "Unknown", /* 95 */ 457 "Unknown", /* 96 */ 458 "SpeedStor", /* 97 */ 459 "Unknown", /* 98 */ 460 "Unix SysV, Mach, GNU Hurd", /* 99 */ 461 "PC-ARMOUR, Netware 286", /* 100 */ 462 "Netware 386", /* 101 */ 463 "Netware SMS", /* 102 */ 464 "Novell", /* 103 */ 465 "Novell", /* 104 */ 466 "Netware NSS", /* 105 */ 467 "Unknown", /* 106 */ 468 "Unknown", /* 107 */ 469 "Unknown", /* 108 */ 470 "Unknown", /* 109 */ 471 "Unknown", /* 110 */ 472 "Unknown", /* 111 */ 473 "DiskSecure Multi-Boot", /* 112 */ 474 "Reserved", /* 113 */ 475 "Unknown", /* 114 */ 476 "Reserved", /* 115 */ 477 "Scramdisk partition", /* 116 */ 478 "IBM PC/IX", /* 117 */ 479 "Reserved", /* 118 */ 480 "M2FS/M2CS,Netware VNDI", /* 119 */ 481 "XOSL FS", /* 120 */ 482 "Unknown", /* 121 */ 483 "Unknown", /* 122 */ 484 "Unknown", /* 123 */ 485 "Unknown", /* 124 */ 486 "Unknown", /* 125 */ 487 "Unused", /* 126 */ 488 "Unused", /* 127 */ 489 "MINIX until 1.4a", /* 128 */ 490 "MINIX since 1.4b, early Linux", /* 129 */ 491 "Solaris/Linux swap", /* 130 */ 492 "Linux native", /* 131 */ 493 "OS/2 hidden,Win Hibernation", /* 132 */ 494 "Linux extended", /* 133 */ 495 "Old Linux RAID,NT FAT16 RAID", /* 134 */ 496 "NTFS volume set", /* 135 */ 497 "Linux plaintext part table", /* 136 */ 498 "Unknown", /* 137 */ 499 "Linux Kernel Partition", /* 138 */ 500 "Fault Tolerant FAT32 volume", /* 139 */ 501 "Fault Tolerant FAT32 volume", /* 140 */ 502 "Free FDISK hidden PDOS FAT12", /* 141 */ 503 "Linux LVM partition", /* 142 */ 504 "Unknown", /* 143 */ 505 "Free FDISK hidden PDOS FAT16", /* 144 */ 506 "Free FDISK hidden DOS EXT", /* 145 */ 507 "Free FDISK hidden FAT16 Large", /* 146 */ 508 "Hidden Linux native, Amoeba", /* 147 */ 509 "Amoeba Bad Block Table", /* 148 */ 510 "MIT EXOPC Native", /* 149 */ 511 "Unknown", /* 150 */ 512 "Free FDISK hidden PDOS FAT32", /* 151 */ 513 "Free FDISK hidden FAT32 LBA", /* 152 */ 514 "DCE376 logical drive", /* 153 */ 515 "Free FDISK hidden FAT16 LBA", /* 154 */ 516 "Free FDISK hidden DOS EXT", /* 155 */ 517 "Unknown", /* 156 */ 518 "Unknown", /* 157 */ 519 "Unknown", /* 158 */ 520 "BSD/OS", /* 159 */ 521 "Laptop hibernation", /* 160 */ 522 "Laptop hibernate,HP SpeedStor", /* 161 */ 523 "Unknown", /* 162 */ 524 "HP SpeedStor", /* 163 */ 525 "HP SpeedStor", /* 164 */ 526 "BSD/386,386BSD,NetBSD,FreeBSD", /* 165 */ 527 "OpenBSD,HP SpeedStor", /* 166 */ 528 "NeXTStep", /* 167 */ 529 "Mac OS-X", /* 168 */ 530 "NetBSD", /* 169 */ 531 "Olivetti FAT12 1.44MB Service", /* 170 */ 532 "Mac OS-X Boot", /* 171 */ 533 "Unknown", /* 172 */ 534 "Unknown", /* 173 */ 535 "ShagOS filesystem", /* 174 */ 536 "ShagOS swap", /* 175 */ 537 "BootStar Dummy", /* 176 */ 538 "HP SpeedStor", /* 177 */ 539 "Unknown", /* 178 */ 540 "HP SpeedStor", /* 179 */ 541 "HP SpeedStor", /* 180 */ 542 "Unknown", /* 181 */ 543 "Corrupted FAT16 NT Mirror Set", /* 182 */ 544 "Corrupted NTFS NT Mirror Set", /* 183 */ 545 "Old BSDI BSD/386 swap", /* 184 */ 546 "Unknown", /* 185 */ 547 "Unknown", /* 186 */ 548 "Boot Wizard hidden", /* 187 */ 549 "Unknown", /* 188 */ 550 "Unknown", /* 189 */ 551 "Solaris x86 boot", /* 190 */ 552 "Solaris2", /* 191 */ 553 "REAL/32 or Novell DOS secured", /* 192 */ 554 "DRDOS/secured(FAT12)", /* 193 */ 555 "Hidden Linux", /* 194 */ 556 "Hidden Linux swap", /* 195 */ 557 "DRDOS/secured(FAT16,< 32M)", /* 196 */ 558 "DRDOS/secured(Extended)", /* 197 */ 559 "NT corrupted FAT16 volume", /* 198 */ 560 "NT corrupted NTFS volume", /* 199 */ 561 "DRDOS8.0+", /* 200 */ 562 "DRDOS8.0+", /* 201 */ 563 "DRDOS8.0+", /* 202 */ 564 "DRDOS7.04+ secured FAT32(CHS)", /* 203 */ 565 "DRDOS7.04+ secured FAT32(LBA)", /* 204 */ 566 "CTOS Memdump", /* 205 */ 567 "DRDOS7.04+ FAT16X(LBA)", /* 206 */ 568 "DRDOS7.04+ secure EXT DOS(LBA)", /* 207 */ 569 "REAL/32 secure big, MDOS", /* 208 */ 570 "Old MDOS secure FAT12", /* 209 */ 571 "Unknown", /* 210 */ 572 "Unknown", /* 211 */ 573 "Old MDOS secure FAT16 <32M", /* 212 */ 574 "Old MDOS secure EXT", /* 213 */ 575 "Old MDOS secure FAT16 >=32M", /* 214 */ 576 "Unknown", /* 215 */ 577 "CP/M-86", /* 216 */ 578 "Unknown", /* 217 */ 579 "Non-FS Data", /* 218 */ 580 "CP/M,Concurrent DOS,CTOS", /* 219 */ 581 "Unknown", /* 220 */ 582 "Hidden CTOS memdump", /* 221 */ 583 "Dell PowerEdge utilities(FAT)", /* 222 */ 584 "DG/UX virtual disk manager", /* 223 */ 585 "ST AVFS(STMicroelectronics)", /* 224 */ 586 "SpeedStor 12-bit FAT EXT", /* 225 */ 587 "Unknown", /* 226 */ 588 "SpeedStor", /* 227 */ 589 "SpeedStor 16-bit FAT EXT", /* 228 */ 590 "Tandy MSDOS", /* 229 */ 591 "Storage Dimensions SpeedStor", /* 230 */ 592 "Unknown", /* 231 */ 593 "Unknown", /* 232 */ 594 "Unknown", /* 233 */ 595 "Unknown", /* 234 */ 596 "BeOS BFS", /* 235 */ 597 "SkyOS SkyFS", /* 236 */ 598 "Unused", /* 237 */ 599 "EFI Header Indicator", /* 238 */ 600 "EFI Filesystem", /* 239 */ 601 "Linux/PA-RISC boot loader", /* 240 */ 602 "SpeedStor", /* 241 */ 603 "DOS 3.3+ secondary", /* 242 */ 604 "SpeedStor Reserved", /* 243 */ 605 "SpeedStor Large", /* 244 */ 606 "Prologue multi-volume", /* 245 */ 607 "SpeedStor", /* 246 */ 608 "Unused", /* 247 */ 609 "Unknown", /* 248 */ 610 "pCache", /* 249 */ 611 "Bochs", /* 250 */ 612 "VMware File System", /* 251 */ 613 "VMware swap", /* 252 */ 614 "Linux raid autodetect", /* 253 */ 615 "NT Disk Administrator hidden", /* 254 */ 616 "Xenix Bad Block Table" /* 255 */ 617 }; 618 619 /* Allowed extended partition menu options */ 620 static char ext_part_menu_opts[] = "adhipr"; 621 622 /* 623 * Structure holding all information about the extended partition 624 * NOTE : As of now, there will be just one instance of ext_part_t, since most 625 * known systems allow only one extended dos partition per disk. 626 */ 627 static ext_part_t *epp; 628 #endif 629 630 static void update_disk_and_exit(boolean_t table_changed); 631 int main(int argc, char *argv[]); 632 static int read_geom(char *sgeom); 633 static void dev_mboot_read(void); 634 static void dev_mboot_write(off_t sect, char *buff, int bootsiz); 635 static void mboot_read(void); 636 static void fill_patt(void); 637 static void abs_read(void); 638 static void abs_write(void); 639 static void load(int funct, char *file); 640 static void Set_Table_CHS_Values(int ti); 641 static int insert_tbl(int id, int act, 642 int bhead, int bsect, int bcyl, 643 int ehead, int esect, int ecyl, 644 uint32_t rsect, uint32_t numsect); 645 static int entry_from_old_table(int id, int act, 646 int bhead, int bsect, int bcyl, 647 int ehead, int esect, int ecyl, 648 uint32_t rsect, uint32_t numsect); 649 static int verify_tbl(void); 650 static int pars_fdisk(char *line, 651 int *id, int *act, 652 int *bhead, int *bsect, int *bcyl, 653 int *ehead, int *esect, int *ecyl, 654 uint32_t *rsect, uint32_t *numsect); 655 static int validate_part(int id, uint32_t rsect, uint32_t numsect); 656 static void stage0(void); 657 static int pcreate(void); 658 static int specify(uchar_t tsystid); 659 static void dispmenu(void); 660 static int pchange(void); 661 static int ppartid(void); 662 static char pdelete(void); 663 static void rm_blanks(char *s); 664 static int getcyl(void); 665 static void disptbl(void); 666 static void print_Table(void); 667 static void copy_Table_to_Old_Table(void); 668 static void nulltbl(void); 669 static void copy_Bootblk_to_Table(void); 670 static void fill_ipart(char *bootptr, struct ipart *partp); 671 #ifdef sparc 672 uchar_t getbyte(char **bp); 673 uint32_t getlong(char **bp); 674 #endif 675 static void copy_Table_to_Bootblk(void); 676 static int TableChanged(void); 677 static void ffile_write(char *file); 678 static void fix_slice(void); 679 static int yesno(void); 680 static int readvtoc(void); 681 static int writevtoc(void); 682 static int efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc); 683 static int clear_efi(void); 684 static void clear_vtoc(int table, int part); 685 static int lecture_and_query(char *warning, char *devname); 686 static void sanity_check_provided_device(char *devname, int fd); 687 static char *get_node(char *devname); 688 689 #ifdef i386 690 static void id_to_name(uchar_t sysid, char *buffer); 691 static void ext_read_input(char *buf); 692 static int ext_read_options(char *buf); 693 static int ext_invalid_option(char ch); 694 static void ext_read_valid_part_num(int *pno); 695 static void ext_read_valid_part_id(uchar_t *partid); 696 static int ext_read_valid_partition_start(uint32_t *begsec); 697 static void ext_read_valid_partition_size(uint32_t begsec, uint32_t *endsec); 698 static void ext_part_menu(); 699 static void add_logical_drive(); 700 static void delete_logical_drive(); 701 static void ext_print_help_menu(); 702 static void ext_change_logical_drive_id(); 703 static void ext_print_part_types(); 704 static void ext_print_logical_drive_layout(); 705 static void preach_and_continue(); 706 #ifdef DEBUG 707 static void ext_print_logdrive_layout_debug(); 708 #endif /* DEBUG */ 709 #endif /* i386 */ 710 711 /* 712 * This function is called only during the non-interactive mode. 713 * It is touchy and does not tolerate any errors. If there are 714 * mounted logical drives, changes to the partition table 715 * is disallowed. 716 */ 717 static void 718 update_disk_and_exit(boolean_t table_changed) 719 { 720 #ifdef i386 721 int rval; 722 #endif 723 if (table_changed) { 724 /* 725 * Copy the new table back to the sector buffer 726 * and write it to disk 727 */ 728 copy_Table_to_Bootblk(); 729 dev_mboot_write(0, Bootsect, sectsiz); 730 } 731 732 /* If the VTOC table is wrong fix it (truncation only) */ 733 if (io_adjt) 734 fix_slice(); 735 736 #ifdef i386 737 if (!io_readonly) { 738 rval = fdisk_commit_ext_part(epp); 739 switch (rval) { 740 case FDISK_SUCCESS: 741 /* Success */ 742 break; 743 case FDISK_ENOEXTPART: 744 /* Nothing to do */ 745 break; 746 default: 747 fprintf(stderr, "Error in" 748 " fdisk_commit_ext_part\n"); 749 exit(rval); 750 } 751 } 752 libfdisk_fini(&epp); 753 #endif 754 exit(0); 755 } 756 757 /* 758 * main 759 * Process command-line options. 760 */ 761 int 762 main(int argc, char *argv[]) 763 { 764 int c, i; 765 extern int optind; 766 extern char *optarg; 767 int errflg = 0; 768 int diag_cnt = 0; 769 int openmode; 770 #ifdef i386 771 int rval; 772 int lf_op_flag = 0; 773 #endif 774 775 setbuf(stderr, 0); /* so all output gets out on exit */ 776 setbuf(stdout, 0); 777 778 /* Process the options. */ 779 while ((c = getopt(argc, argv, "o:s:P:F:b:A:D:W:S:tTIhwvrndgGRBE")) 780 != EOF) { 781 switch (c) { 782 783 case 'o': 784 io_offset = (off_t)strtoull(optarg, 0, 0); 785 continue; 786 case 's': 787 io_size = (off_t)strtoull(optarg, 0, 0); 788 continue; 789 case 'P': 790 diag_cnt++; 791 io_patt++; 792 io_fatt = optarg; 793 continue; 794 case 'w': 795 diag_cnt++; 796 io_wrt++; 797 continue; 798 case 'r': 799 diag_cnt++; 800 io_rd++; 801 continue; 802 case 'd': 803 io_debug++; 804 continue; 805 case 'I': 806 io_image++; 807 continue; 808 case 'R': 809 io_readonly++; 810 continue; 811 case 'S': 812 diag_cnt++; 813 io_sgeom = optarg; 814 continue; 815 case 'T': 816 io_ADJT++; 817 /* FALLTHRU */ 818 case 't': 819 io_adjt++; 820 continue; 821 case 'B': 822 io_wholedisk++; 823 io_fdisk++; 824 continue; 825 case 'E': 826 io_EFIdisk++; 827 io_fdisk++; 828 continue; 829 case 'g': 830 diag_cnt++; 831 io_lgeom++; 832 continue; 833 case 'G': 834 diag_cnt++; 835 io_pgeom++; 836 continue; 837 case 'n': 838 io_nifdisk++; 839 io_fdisk++; 840 continue; 841 case 'F': 842 io_fdisk++; 843 io_ffdisk = optarg; 844 continue; 845 case 'b': 846 io_mboot = optarg; 847 continue; 848 case 'W': 849 /* 850 * If '-' is the -W argument, then write 851 * to standard output, otherwise write 852 * to the specified file. 853 */ 854 if (strncmp(optarg, "-", 1) == 0) 855 stdo_flag = 1; 856 else 857 io_Wfdisk = optarg; 858 io_fdisk++; 859 continue; 860 case 'A': 861 io_fdisk++; 862 io_Afdisk = optarg; 863 continue; 864 case 'D': 865 io_fdisk++; 866 io_Dfdisk = optarg; 867 continue; 868 case 'h': 869 (void) fprintf(stderr, "%s\n", Usage); 870 (void) fprintf(stderr, "%s\n", Usage1); 871 exit(0); 872 /* FALLTHRU */ 873 case 'v': 874 v_flag = 1; 875 continue; 876 case '?': 877 errflg++; 878 break; 879 } 880 break; 881 } 882 883 if (io_image && io_sgeom && diag_cnt == 1) { 884 diag_cnt = 0; 885 } 886 887 /* User option checking */ 888 889 /* By default, run in interactive mode */ 890 if (!io_fdisk && !diag_cnt && !io_nifdisk) { 891 io_ifdisk++; 892 io_fdisk++; 893 } 894 if (((io_fdisk || io_adjt) && diag_cnt) || (diag_cnt > 1)) { 895 errflg++; 896 } 897 898 /* Was any error detected? */ 899 if (errflg || argc == optind) { 900 (void) fprintf(stderr, "%s\n", Usage); 901 (void) fprintf(stderr, 902 "\nDetailed help is available with the -h option.\n"); 903 exit(2); 904 } 905 906 907 /* Figure out the correct device node to open */ 908 Dfltdev = get_node(argv[optind]); 909 910 if (io_readonly) 911 openmode = O_RDONLY; 912 else 913 openmode = O_RDWR|O_CREAT; 914 915 if ((Dev = open(Dfltdev, openmode, 0666)) == -1) { 916 (void) fprintf(stderr, 917 "fdisk: Cannot open device %s.\n", 918 Dfltdev); 919 exit(1); 920 } 921 /* 922 * not all disk (or disklike) drivers support DKIOCGMEDIAINFO 923 * in that case leave the minfo structure zeroed 924 */ 925 if (ioctl(Dev, DKIOCGMEDIAINFO, &minfo)) { 926 (void) memset(&minfo, 0, sizeof (minfo)); 927 } 928 929 /* Get the disk geometry */ 930 if (!io_image) { 931 /* Get disk's HBA (virtual) geometry */ 932 errno = 0; 933 if (ioctl(Dev, DKIOCG_VIRTGEOM, &disk_geom)) { 934 935 /* 936 * If ioctl isn't implemented on this platform, then 937 * turn off flag to print out virtual geometry (-v), 938 * otherwise use the virtual geometry. 939 */ 940 941 if (errno == ENOTTY) { 942 v_flag = 0; 943 no_virtgeom_ioctl = 1; 944 } else if (errno == EINVAL) { 945 /* 946 * This means that the ioctl exists, but 947 * is invalid for this disk, meaning the 948 * disk doesn't have an HBA geometry 949 * (like, say, it's larger than 8GB). 950 */ 951 v_flag = 0; 952 hba_Numcyl = hba_heads = hba_sectors = 0; 953 } else { 954 (void) fprintf(stderr, 955 "%s: Cannot get virtual disk geometry.\n", 956 argv[optind]); 957 exit(1); 958 } 959 } else { 960 /* save virtual geometry values obtained by ioctl */ 961 hba_Numcyl = disk_geom.dkg_ncyl; 962 hba_heads = disk_geom.dkg_nhead; 963 hba_sectors = disk_geom.dkg_nsect; 964 } 965 966 errno = 0; 967 if (ioctl(Dev, DKIOCG_PHYGEOM, &disk_geom)) { 968 if (errno == ENOTTY) { 969 no_physgeom_ioctl = 1; 970 } else { 971 (void) fprintf(stderr, 972 "%s: Cannot get physical disk geometry.\n", 973 argv[optind]); 974 exit(1); 975 } 976 977 } 978 /* 979 * Call DKIOCGGEOM if the ioctls for physical and virtual 980 * geometry fail. Get both from this generic call. 981 */ 982 if (no_virtgeom_ioctl && no_physgeom_ioctl) { 983 errno = 0; 984 if (ioctl(Dev, DKIOCGGEOM, &disk_geom)) { 985 (void) fprintf(stderr, 986 "%s: Cannot get disk label geometry.\n", 987 argv[optind]); 988 exit(1); 989 } 990 } 991 992 Numcyl = disk_geom.dkg_ncyl; 993 heads = disk_geom.dkg_nhead; 994 sectors = disk_geom.dkg_nsect; 995 996 if (minfo.dki_lbsize != 0) 997 sectsiz = minfo.dki_lbsize; 998 else 999 sectsiz = 512; 1000 1001 acyl = disk_geom.dkg_acyl; 1002 1003 /* 1004 * if hba geometry was not set by DKIOC_VIRTGEOM 1005 * or we got an invalid hba geometry 1006 * then set hba geometry based on max values 1007 */ 1008 if (no_virtgeom_ioctl || 1009 disk_geom.dkg_ncyl == 0 || 1010 disk_geom.dkg_nhead == 0 || 1011 disk_geom.dkg_nsect == 0 || 1012 disk_geom.dkg_ncyl > MAX_CYL || 1013 disk_geom.dkg_nhead > MAX_HEAD || 1014 disk_geom.dkg_nsect > MAX_SECT) { 1015 1016 /* 1017 * turn off flag to print out virtual geometry (-v) 1018 */ 1019 v_flag = 0; 1020 hba_sectors = MAX_SECT; 1021 hba_heads = MAX_HEAD + 1; 1022 hba_Numcyl = (Numcyl * heads * sectors) / 1023 (hba_sectors * hba_heads); 1024 } 1025 1026 if (io_debug) { 1027 (void) fprintf(stderr, "Physical Geometry:\n"); 1028 (void) fprintf(stderr, 1029 " cylinders[%d] heads[%d] sectors[%d]\n" 1030 " sector size[%d] blocks[%d] mbytes[%d]\n", 1031 Numcyl, 1032 heads, 1033 sectors, 1034 sectsiz, 1035 Numcyl * heads * sectors, 1036 (Numcyl * heads * sectors * sectsiz) / 1048576); 1037 (void) fprintf(stderr, "Virtual (HBA) Geometry:\n"); 1038 (void) fprintf(stderr, 1039 " cylinders[%d] heads[%d] sectors[%d]\n" 1040 " sector size[%d] blocks[%d] mbytes[%d]\n", 1041 hba_Numcyl, 1042 hba_heads, 1043 hba_sectors, 1044 sectsiz, 1045 hba_Numcyl * hba_heads * hba_sectors, 1046 (hba_Numcyl * hba_heads * hba_sectors * sectsiz) / 1047 1048576); 1048 } 1049 } 1050 1051 /* If user has requested a geometry report just do it and exit */ 1052 if (io_lgeom) { 1053 if (ioctl(Dev, DKIOCGGEOM, &disk_geom)) { 1054 (void) fprintf(stderr, 1055 "%s: Cannot get disk label geometry.\n", 1056 argv[optind]); 1057 exit(1); 1058 } 1059 Numcyl = disk_geom.dkg_ncyl; 1060 heads = disk_geom.dkg_nhead; 1061 sectors = disk_geom.dkg_nsect; 1062 if (minfo.dki_lbsize != 0) 1063 sectsiz = minfo.dki_lbsize; 1064 else 1065 sectsiz = 512; 1066 1067 acyl = disk_geom.dkg_acyl; 1068 (void) printf("* Label geometry for device %s\n", Dfltdev); 1069 (void) printf( 1070 "* PCYL NCYL ACYL BCYL NHEAD NSECT" 1071 " SECSIZ\n"); 1072 (void) printf(" %-8d %-8d %-8d %-8d %-5d %-5d %-6d\n", 1073 Numcyl, 1074 disk_geom.dkg_ncyl, 1075 disk_geom.dkg_acyl, 1076 disk_geom.dkg_bcyl, 1077 heads, 1078 sectors, 1079 sectsiz); 1080 exit(0); 1081 } else if (io_pgeom) { 1082 if (ioctl(Dev, DKIOCG_PHYGEOM, &disk_geom)) { 1083 (void) fprintf(stderr, 1084 "%s: Cannot get physical disk geometry.\n", 1085 argv[optind]); 1086 exit(1); 1087 } 1088 (void) printf("* Physical geometry for device %s\n", Dfltdev); 1089 (void) printf( 1090 "* PCYL NCYL ACYL BCYL NHEAD NSECT" 1091 " SECSIZ\n"); 1092 (void) printf(" %-8d %-8d %-8d %-8d %-5d %-5d %-6d\n", 1093 disk_geom.dkg_pcyl, 1094 disk_geom.dkg_ncyl, 1095 disk_geom.dkg_acyl, 1096 disk_geom.dkg_bcyl, 1097 disk_geom.dkg_nhead, 1098 disk_geom.dkg_nsect, 1099 sectsiz); 1100 exit(0); 1101 } else if (io_sgeom) { 1102 if (read_geom(io_sgeom)) { 1103 exit(1); 1104 } else if (!io_image) { 1105 exit(0); 1106 } 1107 } 1108 1109 /* 1110 * some drivers may not support DKIOCGMEDIAINFO 1111 * in that case use CHS 1112 */ 1113 chs_capacity = (diskaddr_t)Numcyl * heads * sectors; 1114 dev_capacity = chs_capacity; 1115 Numcyl_usable = Numcyl; 1116 1117 if (chs_capacity > DK_MAX_2TB) { 1118 /* limit to 2TB */ 1119 Numcyl_usable = DK_MAX_2TB / (heads * sectors); 1120 chs_capacity = (diskaddr_t)Numcyl_usable * heads * sectors; 1121 } 1122 1123 if (minfo.dki_capacity > 0) 1124 dev_capacity = minfo.dki_capacity; 1125 1126 /* Allocate memory to hold three complete sectors */ 1127 Bootsect = (char *)calloc(3 * sectsiz, 1); 1128 if (Bootsect == NULL) { 1129 (void) fprintf(stderr, 1130 "fdisk: Unable to obtain enough buffer memory" 1131 " (%d bytes).\n", 1132 3 * sectsiz); 1133 exit(1); 1134 } 1135 1136 Nullsect = Bootsect + sectsiz; 1137 /* Zero out the "NULL" sector */ 1138 for (i = 0; i < sectsiz; i++) { 1139 Nullsect[i] = 0; 1140 } 1141 1142 /* Find out what the user wants done */ 1143 if (io_rd) { /* abs disk read */ 1144 abs_read(); /* will not return */ 1145 } else if (io_wrt && !io_readonly) { 1146 abs_write(); /* will not return */ 1147 } else if (io_patt && !io_readonly) { 1148 fill_patt(); /* will not return */ 1149 } 1150 1151 1152 /* This is the fdisk edit, the real reason for the program. */ 1153 1154 sanity_check_provided_device(Dfltdev, Dev); 1155 1156 /* Get the new BOOT program in case we write a new fdisk table */ 1157 mboot_read(); 1158 1159 /* Read from disk master boot */ 1160 dev_mboot_read(); 1161 1162 /* 1163 * Verify and copy the device's fdisk table. This will be used 1164 * as the prototype mboot if the device's mboot looks invalid. 1165 */ 1166 Bootblk = (struct mboot *)Bootsect; 1167 copy_Bootblk_to_Table(); 1168 1169 /* save away a copy of Table in Old_Table for sensing changes */ 1170 copy_Table_to_Old_Table(); 1171 1172 #ifdef i386 1173 /* 1174 * Read extended partition only when the fdisk table is not 1175 * supplied from a file 1176 */ 1177 if (!io_ffdisk) { 1178 lf_op_flag |= FDISK_READ_DISK; 1179 } 1180 if ((rval = libfdisk_init(&epp, Dfltdev, &Table[0], lf_op_flag)) 1181 != FDISK_SUCCESS) { 1182 switch (rval) { 1183 /* 1184 * FDISK_EBADLOGDRIVE and FDISK_ENOLOGDRIVE can 1185 * be considered as soft errors and hence 1186 * we do not exit 1187 */ 1188 case FDISK_EBADLOGDRIVE: 1189 break; 1190 case FDISK_ENOLOGDRIVE: 1191 break; 1192 case FDISK_ENOVGEOM: 1193 fprintf(stderr, "Could not get virtual" 1194 " geometry for this device\n"); 1195 exit(1); 1196 break; 1197 case FDISK_ENOPGEOM: 1198 fprintf(stderr, "Could not get physical" 1199 " geometry for this device\n"); 1200 exit(1); 1201 break; 1202 case FDISK_ENOLGEOM: 1203 fprintf(stderr, "Could not get label" 1204 " geometry for this device\n"); 1205 exit(1); 1206 break; 1207 default: 1208 perror("Failed to initialise libfdisk.\n"); 1209 exit(1); 1210 break; 1211 } 1212 } 1213 #endif 1214 1215 /* Load fdisk table from specified file (-F fdisk_file) */ 1216 if (io_ffdisk) { 1217 /* Load and verify user-specified table parameters */ 1218 load(LOADFILE, io_ffdisk); 1219 } 1220 1221 /* Does user want to delete or add an entry? */ 1222 if (io_Dfdisk) { 1223 load(LOADDEL, io_Dfdisk); 1224 } 1225 if (io_Afdisk) { 1226 load(LOADADD, io_Afdisk); 1227 } 1228 1229 if (!io_ffdisk && !io_Afdisk && !io_Dfdisk) { 1230 /* Check if there is no fdisk table */ 1231 if (Table[0].systid == UNUSED || io_wholedisk || io_EFIdisk) { 1232 if (io_ifdisk && !io_wholedisk && !io_EFIdisk) { 1233 (void) printf( 1234 "No fdisk table exists. The default" 1235 " partition for the disk is:\n\n" 1236 " a 100%% \"SOLARIS System\" " 1237 "partition\n\n" 1238 "Type \"y\" to accept the default " 1239 "partition, otherwise type \"n\" to " 1240 "edit the\n partition table.\n"); 1241 1242 if (Numcyl > Numcyl_usable) 1243 (void) printf("WARNING: Disk is larger" 1244 " than 2TB. Solaris partition will" 1245 " be limited to 2 TB.\n"); 1246 } 1247 1248 /* Edit the partition table as directed */ 1249 if (io_wholedisk ||(io_ifdisk && yesno())) { 1250 1251 /* Default scenario */ 1252 nulltbl(); 1253 /* now set up UNIX System partition */ 1254 Table[0].bootid = ACTIVE; 1255 Table[0].relsect = LE_32(heads * sectors); 1256 1257 Table[0].numsect = 1258 LE_32((ulong_t)((Numcyl_usable - 1) * 1259 heads * sectors)); 1260 1261 Table[0].systid = SUNIXOS2; /* Solaris */ 1262 1263 /* calculate CHS values for table entry 0 */ 1264 Set_Table_CHS_Values(0); 1265 update_disk_and_exit(B_TRUE); 1266 } else if (io_EFIdisk) { 1267 /* create an EFI partition for the whole disk */ 1268 nulltbl(); 1269 i = insert_tbl(EFI_PMBR, 0, 0, 0, 0, 0, 0, 0, 1, 1270 (dev_capacity > DK_MAX_2TB) ? DK_MAX_2TB : 1271 (dev_capacity - 1)); 1272 if (i != 0) { 1273 (void) fprintf(stderr, 1274 "Error creating EFI partition\n"); 1275 exit(1); 1276 } 1277 update_disk_and_exit(B_TRUE); 1278 } 1279 } 1280 } 1281 1282 /* Display complete fdisk table entries for debugging purposes */ 1283 if (io_debug) { 1284 (void) fprintf(stderr, "Partition Table Entry Values:\n"); 1285 print_Table(); 1286 if (io_ifdisk) { 1287 (void) fprintf(stderr, "\n"); 1288 (void) fprintf(stderr, "Press Enter to continue.\n"); 1289 (void) fgets(s, sizeof (s), stdin); 1290 } 1291 } 1292 1293 /* Interactive fdisk mode */ 1294 if (io_ifdisk) { 1295 (void) printf(CLR_SCR); 1296 disptbl(); 1297 for (;;) { 1298 stage0(); 1299 copy_Bootblk_to_Table(); 1300 disptbl(); 1301 } 1302 } 1303 1304 /* If user wants to write the table to a file, do it */ 1305 if (io_Wfdisk) 1306 ffile_write(io_Wfdisk); 1307 else if (stdo_flag) 1308 ffile_write((char *)stdout); 1309 1310 update_disk_and_exit(TableChanged() == 1); 1311 return (0); 1312 } 1313 1314 /* 1315 * read_geom 1316 * Read geometry from specified file (-S). 1317 */ 1318 1319 static int 1320 read_geom(char *sgeom) 1321 { 1322 char line[256]; 1323 FILE *fp; 1324 1325 /* open the prototype file */ 1326 if ((fp = fopen(sgeom, "r")) == NULL) { 1327 (void) fprintf(stderr, "fdisk: Cannot open file %s.\n", 1328 io_sgeom); 1329 return (1); 1330 } 1331 1332 /* Read a line from the file */ 1333 while (fgets(line, sizeof (line) - 1, fp)) { 1334 if (line[0] == '\0' || line[0] == '\n' || line[0] == '*') 1335 continue; 1336 else { 1337 line[strlen(line)] = '\0'; 1338 if (sscanf(line, "%hu %hu %hu %hu %hu %hu %d", 1339 &disk_geom.dkg_pcyl, 1340 &disk_geom.dkg_ncyl, 1341 &disk_geom.dkg_acyl, 1342 &disk_geom.dkg_bcyl, 1343 &disk_geom.dkg_nhead, 1344 &disk_geom.dkg_nsect, 1345 §siz) != 7) { 1346 (void) fprintf(stderr, 1347 "Syntax error:\n \"%s\".\n", 1348 line); 1349 return (1); 1350 } 1351 break; 1352 } /* else */ 1353 } /* while (fgets(line, sizeof (line) - 1, fp)) */ 1354 1355 if (!io_image) { 1356 if (ioctl(Dev, DKIOCSGEOM, &disk_geom)) { 1357 (void) fprintf(stderr, 1358 "fdisk: Cannot set label geometry.\n"); 1359 return (1); 1360 } 1361 } else { 1362 Numcyl = hba_Numcyl = disk_geom.dkg_ncyl; 1363 heads = hba_heads = disk_geom.dkg_nhead; 1364 sectors = hba_sectors = disk_geom.dkg_nsect; 1365 acyl = disk_geom.dkg_acyl; 1366 } 1367 1368 (void) fclose(fp); 1369 return (0); 1370 } 1371 1372 /* 1373 * dev_mboot_read 1374 * Read the master boot sector from the device. 1375 */ 1376 static void 1377 dev_mboot_read(void) 1378 { 1379 if ((ioctl(Dev, DKIOCGMBOOT, Bootsect) < 0) && (errno != ENOTTY)) { 1380 perror("Error in ioctl DKIOCGMBOOT"); 1381 } 1382 if (errno == 0) 1383 return; 1384 if (lseek(Dev, 0, SEEK_SET) == -1) { 1385 (void) fprintf(stderr, 1386 "fdisk: Error seeking to partition table on %s.\n", 1387 Dfltdev); 1388 if (!io_image) 1389 exit(1); 1390 } 1391 if (read(Dev, Bootsect, sectsiz) != sectsiz) { 1392 (void) fprintf(stderr, 1393 "fdisk: Error reading partition table from %s.\n", 1394 Dfltdev); 1395 if (!io_image) 1396 exit(1); 1397 } 1398 } 1399 1400 /* 1401 * dev_mboot_write 1402 * Write the master boot sector to the device. 1403 */ 1404 static void 1405 dev_mboot_write(off_t sect, char *buff, int bootsiz) 1406 { 1407 int new_pt, old_pt, error; 1408 int clr_efi = -1; 1409 1410 if (io_readonly) 1411 return; 1412 1413 if (io_debug) { 1414 (void) fprintf(stderr, "About to write fdisk table:\n"); 1415 print_Table(); 1416 if (io_ifdisk) { 1417 (void) fprintf(stderr, "Press Enter to continue.\n"); 1418 (void) fgets(s, sizeof (s), stdin); 1419 } 1420 } 1421 1422 /* 1423 * If the new table has any Solaris partitions and the old 1424 * table does not have an entry that describes it 1425 * exactly then clear the old vtoc (if any). 1426 */ 1427 for (new_pt = 0; new_pt < FD_NUMPART; new_pt++) { 1428 1429 /* We only care about potential Solaris parts. */ 1430 if (Table[new_pt].systid != SUNIXOS && 1431 Table[new_pt].systid != SUNIXOS2) 1432 continue; 1433 1434 /* Does the old table have an exact entry for the new entry? */ 1435 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1436 1437 /* We only care about old Solaris partitions. */ 1438 if ((Old_Table[old_pt].systid == SUNIXOS) || 1439 (Old_Table[old_pt].systid == SUNIXOS2)) { 1440 1441 /* Is this old one the same as a new one? */ 1442 if ((Old_Table[old_pt].relsect == 1443 Table[new_pt].relsect) && 1444 (Old_Table[old_pt].numsect == 1445 Table[new_pt].numsect)) 1446 break; /* Yes */ 1447 } 1448 } 1449 1450 /* Did a solaris partition change location or size? */ 1451 if (old_pt >= FD_NUMPART) { 1452 /* Yes clear old vtoc */ 1453 if (io_debug) { 1454 (void) fprintf(stderr, 1455 "Clearing VTOC labels from NEW" 1456 " table\n"); 1457 } 1458 clear_vtoc(NEW, new_pt); 1459 } 1460 } 1461 1462 1463 /* see if the old table had EFI */ 1464 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1465 if (Old_Table[old_pt].systid == EFI_PMBR) { 1466 clr_efi = old_pt; 1467 } 1468 } 1469 1470 /* look to see if a EFI partition changed in relsect/numsect */ 1471 for (new_pt = 0; new_pt < FD_NUMPART; new_pt++) { 1472 if (Table[new_pt].systid != EFI_PMBR) 1473 continue; 1474 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1475 if ((Old_Table[old_pt].systid == 1476 Table[new_pt].systid) && 1477 (Old_Table[old_pt].relsect == 1478 Table[new_pt].relsect) && 1479 (Old_Table[old_pt].numsect == 1480 Table[new_pt].numsect)) 1481 break; 1482 } 1483 1484 /* 1485 * if EFI partition changed, set the flag to clear 1486 * the EFI GPT 1487 */ 1488 if (old_pt == FD_NUMPART && Table[new_pt].begcyl != 0) { 1489 clr_efi = 0; 1490 } 1491 break; 1492 } 1493 1494 /* clear labels if necessary */ 1495 if (clr_efi >= 0) { 1496 if (io_debug) { 1497 (void) fprintf(stderr, "Clearing EFI labels\n"); 1498 } 1499 if ((error = clear_efi()) != 0) { 1500 if (io_debug) { 1501 (void) fprintf(stderr, 1502 "\tError %d clearing EFI labels" 1503 " (probably no EFI labels exist)\n", 1504 error); 1505 } 1506 } 1507 } 1508 1509 if ((ioctl(Dev, DKIOCSMBOOT, buff) == -1) && (errno != ENOTTY)) { 1510 (void) fprintf(stderr, 1511 "fdisk: Error in ioctl DKIOCSMBOOT on %s.\n", 1512 Dfltdev); 1513 } 1514 if (errno == 0) 1515 return; 1516 1517 /* write to disk drive */ 1518 if (lseek(Dev, sect, SEEK_SET) == -1) { 1519 (void) fprintf(stderr, 1520 "fdisk: Error seeking to master boot record on %s.\n", 1521 Dfltdev); 1522 exit(1); 1523 } 1524 if (write(Dev, buff, bootsiz) != bootsiz) { 1525 (void) fprintf(stderr, 1526 "fdisk: Error writing master boot record to %s.\n", 1527 Dfltdev); 1528 exit(1); 1529 } 1530 } 1531 1532 /* 1533 * mboot_read 1534 * Read the prototype boot records from the files. 1535 */ 1536 static void 1537 mboot_read(void) 1538 { 1539 int mDev, i; 1540 struct ipart *part; 1541 1542 #if defined(i386) || defined(sparc) 1543 /* 1544 * If the master boot file hasn't been specified, use the 1545 * implementation architecture name to generate the default one. 1546 */ 1547 if (io_mboot == (char *)0) { 1548 /* 1549 * Bug ID 1249035: 1550 * The mboot file must be delivered on all platforms 1551 * and installed in a non-platform-dependent 1552 * directory; i.e., /usr/lib/fs/ufs. 1553 */ 1554 io_mboot = "/usr/lib/fs/ufs/mboot"; 1555 } 1556 1557 /* First read in the master boot record */ 1558 1559 /* Open the master boot proto file */ 1560 if ((mDev = open(io_mboot, O_RDONLY, 0666)) == -1) { 1561 (void) fprintf(stderr, 1562 "fdisk: Cannot open master boot file %s.\n", 1563 io_mboot); 1564 exit(1); 1565 } 1566 1567 /* Read the master boot program */ 1568 if (read(mDev, &BootCod, sizeof (struct mboot)) != sizeof 1569 (struct mboot)) { 1570 (void) fprintf(stderr, 1571 "fdisk: Cannot read master boot file %s.\n", 1572 io_mboot); 1573 exit(1); 1574 } 1575 1576 /* Is this really a master boot record? */ 1577 if (LE_16(BootCod.signature) != MBB_MAGIC) { 1578 (void) fprintf(stderr, 1579 "fdisk: Invalid master boot file %s.\n", io_mboot); 1580 (void) fprintf(stderr, 1581 "Bad magic number: is %x, but should be %x.\n", 1582 LE_16(BootCod.signature), MBB_MAGIC); 1583 exit(1); 1584 } 1585 1586 (void) close(mDev); 1587 #else 1588 #error fdisk needs to be ported to new architecture 1589 #endif 1590 1591 /* Zero out the partitions part of this record */ 1592 part = (struct ipart *)BootCod.parts; 1593 for (i = 0; i < FD_NUMPART; i++, part++) { 1594 (void) memset(part, 0, sizeof (struct ipart)); 1595 } 1596 1597 } 1598 1599 /* 1600 * fill_patt 1601 * Fill the disk with user/sector number pattern. 1602 */ 1603 static void 1604 fill_patt(void) 1605 { 1606 int *buff_ptr, i; 1607 off_t *off_ptr; 1608 int io_fpatt = 0; 1609 int io_ipatt = 0; 1610 1611 if (strncmp(io_fatt, "#", 1) != 0) { 1612 io_fpatt++; 1613 io_ipatt = strtoul(io_fatt, 0, 0); 1614 buff_ptr = (int *)Bootsect; 1615 for (i = 0; i < sectsiz; i += 4, buff_ptr++) 1616 *buff_ptr = io_ipatt; 1617 } 1618 1619 /* 1620 * Fill disk with pattern based on block number. 1621 * Write to the disk at absolute relative block io_offset 1622 * for io_size blocks. 1623 */ 1624 while (io_size--) { 1625 off_ptr = (off_t *)Bootsect; 1626 if (!io_fpatt) { 1627 for (i = 0; i < sectsiz; 1628 i += sizeof (off_t), off_ptr++) 1629 *off_ptr = io_offset; 1630 } 1631 /* Write the data to disk */ 1632 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1633 SEEK_SET) == -1) { 1634 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1635 Dfltdev); 1636 exit(1); 1637 } 1638 if (write(Dev, Bootsect, sectsiz) != sectsiz) { 1639 (void) fprintf(stderr, "fdisk: Error writing %s.\n", 1640 Dfltdev); 1641 exit(1); 1642 } 1643 } /* while (--io_size); */ 1644 } 1645 1646 /* 1647 * abs_read 1648 * Read from the disk at absolute relative block io_offset for 1649 * io_size blocks. Write the data to standard ouput (-r). 1650 */ 1651 static void 1652 abs_read(void) 1653 { 1654 int c; 1655 1656 while (io_size--) { 1657 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1658 SEEK_SET) == -1) { 1659 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1660 Dfltdev); 1661 exit(1); 1662 } 1663 if (read(Dev, Bootsect, sectsiz) != sectsiz) { 1664 (void) fprintf(stderr, "fdisk: Error reading %s.\n", 1665 Dfltdev); 1666 exit(1); 1667 } 1668 1669 /* Write to standard ouptut */ 1670 if ((c = write(1, Bootsect, (unsigned)sectsiz)) != sectsiz) { 1671 if (c >= 0) { 1672 if (io_debug) 1673 (void) fprintf(stderr, 1674 "fdisk: Output warning: %d of %d" 1675 " characters written.\n", 1676 c, sectsiz); 1677 exit(2); 1678 } else { 1679 perror("write error on output file."); 1680 exit(2); 1681 } 1682 } /* if ((c = write(1, Bootsect, (unsigned)sectsiz)) */ 1683 /* != sectsiz) */ 1684 } /* while (--io_size); */ 1685 exit(0); 1686 } 1687 1688 /* 1689 * abs_write 1690 * Read the data from standard input. Write to the disk at 1691 * absolute relative block io_offset for io_size blocks (-w). 1692 */ 1693 static void 1694 abs_write(void) 1695 { 1696 int c, i; 1697 1698 while (io_size--) { 1699 int part_exit = 0; 1700 /* Read from standard input */ 1701 if ((c = read(0, Bootsect, (unsigned)sectsiz)) != sectsiz) { 1702 if (c >= 0) { 1703 if (io_debug) 1704 (void) fprintf(stderr, 1705 "fdisk: WARNING: Incomplete read (%d of" 1706 " %d characters read) on input file.\n", 1707 c, sectsiz); 1708 /* Fill pattern to mark partial sector in buf */ 1709 for (i = c; i < sectsiz; ) { 1710 Bootsect[i++] = 0x41; 1711 Bootsect[i++] = 0x62; 1712 Bootsect[i++] = 0x65; 1713 Bootsect[i++] = 0; 1714 } 1715 part_exit++; 1716 } else { 1717 perror("read error on input file."); 1718 exit(2); 1719 } 1720 1721 } 1722 /* Write to disk drive */ 1723 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1724 SEEK_SET) == -1) { 1725 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1726 Dfltdev); 1727 exit(1); 1728 } 1729 if (write(Dev, Bootsect, sectsiz) != sectsiz) { 1730 (void) fprintf(stderr, "fdisk: Error writing %s.\n", 1731 Dfltdev); 1732 exit(1); 1733 } 1734 if (part_exit) 1735 exit(0); 1736 } /* while (--io_size); */ 1737 exit(1); 1738 } 1739 1740 1741 /* 1742 * load 1743 * Load will either read the fdisk table from a file or add or 1744 * delete an entry (-A, -D, -F). 1745 */ 1746 1747 static void 1748 load(int funct, char *file) 1749 { 1750 int id; 1751 int act; 1752 int bhead; 1753 int bsect; 1754 int bcyl; 1755 int ehead; 1756 int esect; 1757 int ecyl; 1758 uint32_t rsect; 1759 uint32_t numsect; 1760 char line[256]; 1761 int i = 0; 1762 int j; 1763 FILE *fp; 1764 #ifdef i386 1765 int ext_part_present = 0; 1766 uint32_t begsec, endsec, relsect; 1767 logical_drive_t *temp; 1768 int part_count = 0, ldcnt = 0; 1769 uint32_t ext_beg_sec, ext_end_sec; 1770 uint32_t old_ext_beg_sec = 0, old_ext_num_sec = 0; 1771 uint32_t new_ext_beg_sec = 0, new_ext_num_sec = 0; 1772 int ext_part_inited = 0; 1773 uchar_t systid; 1774 #endif 1775 1776 switch (funct) { 1777 1778 case LOADFILE: 1779 1780 /* 1781 * Zero out the table before loading it, which will 1782 * force it to be updated on disk later (-F 1783 * fdisk_file). 1784 */ 1785 nulltbl(); 1786 1787 /* Open the prototype file */ 1788 if ((fp = fopen(file, "r")) == NULL) { 1789 (void) fprintf(stderr, 1790 "fdisk: Cannot open prototype partition file %s.\n", 1791 file); 1792 exit(1); 1793 } 1794 1795 /* Read a line from the file */ 1796 while (fgets(line, sizeof (line) - 1, fp)) { 1797 if (pars_fdisk(line, &id, &act, &bhead, &bsect, 1798 &bcyl, &ehead, &esect, &ecyl, &rsect, &numsect)) { 1799 continue; 1800 } 1801 #ifdef i386 1802 part_count++; 1803 1804 if (fdisk_is_dos_extended((uchar_t)id)) { 1805 if (ext_part_present) { 1806 fprintf(stderr, "Extended partition" 1807 " already exists\n"); 1808 fprintf(stderr, "fdisk: Error on" 1809 " entry \"%s\".\n", line); 1810 exit(1); 1811 } 1812 ext_part_present = 1; 1813 /* 1814 * If the existing extended partition's start 1815 * and size matches the new one, do not 1816 * initialize the extended partition EBR 1817 * (Extended Boot Record) because there could 1818 * be existing logical drives. 1819 */ 1820 for (i = 0; i < FD_NUMPART; i++) { 1821 systid = Old_Table[i].systid; 1822 if (fdisk_is_dos_extended(systid)) { 1823 old_ext_beg_sec = 1824 Old_Table[i].relsect; 1825 old_ext_num_sec = 1826 Old_Table[i].numsect; 1827 break; 1828 } 1829 } 1830 new_ext_beg_sec = rsect; 1831 new_ext_num_sec = numsect; 1832 if ((old_ext_beg_sec != new_ext_beg_sec) || 1833 (old_ext_num_sec != new_ext_num_sec)) { 1834 fdisk_init_ext_part(epp, 1835 new_ext_beg_sec, new_ext_num_sec); 1836 ext_part_inited = 1; 1837 } 1838 } 1839 1840 if (part_count > FD_NUMPART) { 1841 /* This line should be logical drive info */ 1842 int offset = MAX_LOGDRIVE_OFFSET; 1843 if (!ext_part_present) { 1844 /* Erroneous input file */ 1845 fprintf(stderr, "More than 4 primary" 1846 " partitions found in input\n"); 1847 fprintf(stderr, "Exiting...\n"); 1848 exit(1); 1849 } 1850 1851 if (numsect == 0) { 1852 continue; 1853 } 1854 1855 /* 1856 * If the start and size of the existing 1857 * extended partition matches the new one and 1858 * new logical drives are being defined via 1859 * the input file, initialize the EBR. 1860 */ 1861 if (!ext_part_inited) { 1862 fdisk_init_ext_part(epp, 1863 new_ext_beg_sec, new_ext_num_sec); 1864 ext_part_inited = 1; 1865 } 1866 1867 begsec = rsect - offset; 1868 if ((ldcnt = 1869 fdisk_get_logical_drive_count(epp)) == 0) { 1870 /* Adding the first logical drive */ 1871 /* 1872 * Make sure that begsec doesnt wrap 1873 * around. This can happen if rsect is 1874 * less than offset. 1875 */ 1876 if (rsect < offset) { 1877 fprintf(stderr, "Minimum of " 1878 "63 free sectors required " 1879 "before the beginning of " 1880 "a logical drive."); 1881 exit(1); 1882 } 1883 /* 1884 * Check if the first logical drive 1885 * is out of order. In that case, do 1886 * not subtract MAX_LOGDRIVE_OFFSET 1887 * from the given start of partition. 1888 */ 1889 if (begsec != new_ext_beg_sec) { 1890 begsec = rsect; 1891 offset = 0; 1892 } 1893 } 1894 if (ldcnt >= MAX_EXT_PARTS) { 1895 fprintf(stderr, "\nError : Number of " 1896 "logical drives exceeds limit of " 1897 "%d.\n", MAX_EXT_PARTS); 1898 exit(1); 1899 } 1900 1901 if (id > FDISK_MAX_VALID_PART_ID) { 1902 fprintf(stderr, "Invalid partition " 1903 "ID\n"); 1904 fprintf(stderr, "fdisk: Error on" 1905 " entry \"%s\".\n", line); 1906 exit(1); 1907 } 1908 1909 endsec = rsect + numsect - 1; 1910 if (fdisk_validate_logical_drive(epp, 1911 begsec, offset, numsect) == 0) { 1912 if (id == EFI_PMBR) { 1913 fprintf(stderr, "EFI " 1914 "partitions not supported " 1915 "inside extended " 1916 "partition\n"); 1917 exit(1); 1918 } 1919 fdisk_add_logical_drive(epp, begsec, 1920 endsec, id); 1921 continue; 1922 } else { 1923 fprintf(stderr, "fdisk: Error on" 1924 " entry \"%s\".\n", line); 1925 exit(1); 1926 } 1927 } 1928 #endif 1929 1930 /* 1931 * Validate the partition. It cannot start at sector 1932 * 0 unless it is UNUSED or already exists 1933 */ 1934 if (validate_part(id, rsect, numsect) < 0) { 1935 (void) fprintf(stderr, 1936 "fdisk: Error on entry \"%s\".\n", 1937 line); 1938 exit(1); 1939 } 1940 1941 if (entry_from_old_table(id, act, bhead, bsect, 1942 bcyl, ehead, esect, ecyl, rsect, numsect)) { 1943 /* 1944 * If we got here it means we copied an 1945 * unmodified entry. So there is no need 1946 * to insert it in the table or do any 1947 * checks against disk size. 1948 * 1949 * This is a work around on the following 1950 * situation (for IDE disks, at least): 1951 * Different operation systems calculate 1952 * disk size different ways, of which there 1953 * are two main ways. 1954 * 1955 * The first, rounds the disk size to modulo 1956 * cylinder size (virtual made-up cylinder 1957 * usually based on maximum number of heads 1958 * and sectors in partition table fields). 1959 * Our OS's (for IDE) and most other "Unix" 1960 * type OS's do this. 1961 * 1962 * The second, uses every single block 1963 * on the disk (to maximize available space). 1964 * Since disk manufactures do not know about 1965 * "virtual cylinders", there are some number 1966 * of blocks that make up a partial cylinder 1967 * at the end of the disk. 1968 * 1969 * The difference between these two methods 1970 * is where the problem is. When one 1971 * tries to install Solaris/OpenSolaris on 1972 * a disk that has another OS using that 1973 * "partial cylinder", install fails. It fails 1974 * since fdisk thinks its asked to create a 1975 * partition with the -F option that contains 1976 * a partition that runs off the end of the 1977 * disk. 1978 */ 1979 continue; 1980 } 1981 1982 /* 1983 * Find an unused entry to use and put the entry 1984 * in table 1985 */ 1986 if (insert_tbl(id, act, bhead, bsect, bcyl, ehead, 1987 esect, ecyl, rsect, numsect) < 0) { 1988 (void) fprintf(stderr, 1989 "fdisk: Error on entry \"%s\".\n", 1990 line); 1991 exit(1); 1992 } 1993 } /* while (fgets(line, sizeof (line) - 1, fp)) */ 1994 1995 if (verify_tbl() < 0) { 1996 (void) fprintf(stderr, 1997 "fdisk: Cannot create partition table\n"); 1998 exit(1); 1999 } 2000 2001 (void) fclose(fp); 2002 return; 2003 2004 case LOADDEL: 2005 2006 /* Parse the user-supplied deletion line (-D) */ 2007 if (pars_fdisk(file, &id, &act, &bhead, &bsect, &bcyl, 2008 &ehead, &esect, &ecyl, &rsect, &numsect)) { 2009 (void) fprintf(stderr, 2010 "fdisk: Syntax error \"%s\"\n", file); 2011 exit(1); 2012 } 2013 2014 /* Find the exact entry in the table */ 2015 for (i = 0; i < FD_NUMPART; i++) { 2016 if (Table[i].systid == id && 2017 Table[i].bootid == act && 2018 Table[i].beghead == bhead && 2019 Table[i].begsect == ((bsect & 0x3f) | 2020 (uchar_t)((bcyl>>2) & 0xc0)) && 2021 Table[i].begcyl == (uchar_t)(bcyl & 0xff) && 2022 Table[i].endhead == ehead && 2023 Table[i].endsect == ((esect & 0x3f) | 2024 (uchar_t)((ecyl>>2) & 0xc0)) && 2025 Table[i].endcyl == (uchar_t)(ecyl & 0xff) && 2026 Table[i].relsect == LE_32(rsect) && 2027 Table[i].numsect == LE_32(numsect)) { 2028 2029 /* 2030 * Found the entry. Now move rest of 2031 * entries up toward the top of the 2032 * table, leaving available entries at 2033 * the end of the fdisk table. 2034 */ 2035 for (j = i; j < FD_NUMPART - 1; j++) { 2036 Table[j].systid = Table[j + 1].systid; 2037 Table[j].bootid = Table[j + 1].bootid; 2038 Table[j].beghead = Table[j + 1].beghead; 2039 Table[j].begsect = Table[j + 1].begsect; 2040 Table[j].begcyl = Table[j + 1].begcyl; 2041 Table[j].endhead = Table[j + 1].endhead; 2042 Table[j].endsect = Table[j + 1].endsect; 2043 Table[j].endcyl = Table[j + 1].endcyl; 2044 Table[j].relsect = Table[j + 1].relsect; 2045 Table[j].numsect = Table[j + 1].numsect; 2046 } 2047 2048 /* 2049 * Mark the last entry as unused in case 2050 * all table entries were in use prior 2051 * to the deletion. 2052 */ 2053 2054 Table[FD_NUMPART - 1].systid = UNUSED; 2055 Table[FD_NUMPART - 1].bootid = 0; 2056 #ifdef i386 2057 if (fdisk_is_dos_extended(id)) { 2058 fdisk_delete_ext_part(epp); 2059 } 2060 #endif 2061 return; 2062 } 2063 } 2064 2065 #ifdef i386 2066 ldcnt = FD_NUMPART + 1; 2067 for (temp = fdisk_get_ld_head(epp); temp != NULL; 2068 temp = temp->next) { 2069 relsect = temp->abs_secnum + temp->logdrive_offset; 2070 if (temp->parts[0].systid == id && 2071 temp->parts[0].bootid == act && 2072 temp->parts[0].beghead == bhead && 2073 temp->parts[0].begsect == ((bsect & 0x3f) | 2074 (uchar_t)((bcyl>>2) & 0xc0)) && 2075 temp->parts[0].begcyl == (uchar_t)(bcyl & 0xff) && 2076 temp->parts[0].endhead == ehead && 2077 temp->parts[0].endsect == ((esect & 0x3f) | 2078 (uchar_t)((ecyl>>2) & 0xc0)) && 2079 temp->parts[0].endcyl == (uchar_t)(ecyl & 0xff) && 2080 relsect == LE_32(rsect) && 2081 temp->parts[0].numsect == LE_32(numsect)) { 2082 fdisk_delete_logical_drive(epp, ldcnt); 2083 return; 2084 } 2085 ldcnt++; 2086 } 2087 #endif 2088 2089 (void) fprintf(stderr, 2090 "fdisk: Entry does not match any existing partition:\n" 2091 " \"%s\"\n", 2092 file); 2093 exit(1); 2094 /* FALLTHRU */ 2095 2096 case LOADADD: 2097 2098 /* Parse the user-supplied addition line (-A) */ 2099 if (pars_fdisk(file, &id, &act, &bhead, &bsect, &bcyl, &ehead, 2100 &esect, &ecyl, &rsect, &numsect)) { 2101 (void) fprintf(stderr, 2102 "fdisk: Syntax error \"%s\"\n", file); 2103 exit(1); 2104 } 2105 2106 /* Validate the partition. It cannot start at sector 0 */ 2107 if (rsect == 0) { 2108 (void) fprintf(stderr, 2109 "fdisk: New partition cannot start at sector 0:\n" 2110 " \"%s\".\n", 2111 file); 2112 exit(1); 2113 } 2114 2115 /* 2116 * if the user wishes to add an EFI partition, we need 2117 * more extensive validation. rsect should be 1, and 2118 * numsect should equal the entire disk capacity - 1 2119 */ 2120 2121 if (id == EFI_PMBR) { 2122 if (rsect != 1) { 2123 (void) fprintf(stderr, 2124 "fdisk: EFI partitions must start at sector" 2125 " 1 (input rsect = %d)\n", rsect); 2126 exit(1); 2127 } 2128 2129 2130 if (dev_capacity > DK_MAX_2TB) { 2131 if (numsect != DK_MAX_2TB) { 2132 (void) fprintf(stderr, 2133 "fdisk: EFI partitions must " 2134 "encompass the entire maximum 2 TB " 2135 "(input numsect: %u - max: %llu)\n", 2136 numsect, (diskaddr_t)DK_MAX_2TB); 2137 exit(1); 2138 } 2139 } else if (numsect != dev_capacity - 1) { 2140 (void) fprintf(stderr, 2141 "fdisk: EFI partitions must encompass the " 2142 "entire disk\n" 2143 "(input numsect: %u - avail: %llu)\n", 2144 numsect, 2145 dev_capacity - 1); 2146 exit(1); 2147 } 2148 } 2149 2150 #ifdef i386 2151 if (id > FDISK_MAX_VALID_PART_ID) { 2152 printf("Invalid partition ID\n"); 2153 exit(1); 2154 } 2155 2156 if ((fdisk_ext_part_exists(epp)) && 2157 (fdisk_is_dos_extended(id))) { 2158 (void) fprintf(stderr, 2159 "Extended partition already exists.\n"); 2160 (void) fprintf(stderr, 2161 "fdisk: Invalid entry could not be " 2162 "inserted:\n \"%s\"\n", file); 2163 exit(1); 2164 } 2165 2166 if (fdisk_ext_part_exists(epp) && 2167 (rsect >= (ext_beg_sec = fdisk_get_ext_beg_sec(epp))) && 2168 (rsect <= (ext_end_sec = fdisk_get_ext_end_sec(epp)))) { 2169 int offset = MAX_LOGDRIVE_OFFSET; 2170 2171 /* 2172 * Make sure that begsec doesnt wrap around. 2173 * This can happen if rsect is less than offset 2174 */ 2175 if (rsect < offset) { 2176 return; 2177 } 2178 begsec = rsect - offset; 2179 if ((ldcnt = fdisk_get_logical_drive_count(epp)) == 0) { 2180 /* 2181 * Adding the first logical drive 2182 * Check if the first logical drive 2183 * is out of order. In that case, do 2184 * not subtract MAX_LOGDRIVE_OFFSET 2185 * from the given start of partition. 2186 */ 2187 if (begsec != ext_beg_sec) { 2188 begsec = rsect; 2189 offset = 0; 2190 } 2191 } 2192 2193 if (ldcnt >= MAX_EXT_PARTS) { 2194 printf("\nNumber of logical drives exceeds " 2195 "limit of %d.\n", MAX_EXT_PARTS); 2196 printf("Failing further additions.\n"); 2197 exit(1); 2198 } 2199 2200 if (numsect == 0) { 2201 (void) fprintf(stderr, 2202 "fdisk: Partition size cannot be zero:\n" 2203 " \"%s\".\n", 2204 file); 2205 exit(1); 2206 } 2207 endsec = rsect + numsect - 1; 2208 if (fdisk_validate_logical_drive(epp, begsec, 2209 offset, numsect) == 0) { 2210 /* Valid logical drive */ 2211 fdisk_add_logical_drive(epp, begsec, endsec, 2212 id); 2213 return; 2214 } else { 2215 (void) fprintf(stderr, 2216 "fdisk: Invalid entry could not be " 2217 "inserted:\n \"%s\"\n", file); 2218 exit(1); 2219 } 2220 } 2221 #endif 2222 2223 /* Find unused entry for use and put entry in table */ 2224 if (insert_tbl(id, act, bhead, bsect, bcyl, ehead, esect, 2225 ecyl, rsect, numsect) < 0) { 2226 (void) fprintf(stderr, 2227 "fdisk: Invalid entry could not be inserted:\n" 2228 " \"%s\"\n", 2229 file); 2230 exit(1); 2231 } 2232 2233 /* Make sure new entry does not overlap existing entry */ 2234 if (verify_tbl() < 0) { 2235 (void) fprintf(stderr, 2236 "fdisk: Cannot create partition \"%s\"\n", file); 2237 exit(1); 2238 } 2239 } /* switch funct */ 2240 } 2241 2242 /* 2243 * Set_Table_CHS_Values 2244 * 2245 * This will calculate the CHS values for beginning and ending CHS 2246 * for a single partition table entry (ti) based on the relsect 2247 * and numsect values contained in the partion table entry. 2248 * 2249 * hba_heads and hba_sectors contain the number of heads and sectors. 2250 * 2251 * If the number of cylinders exceeds the MAX_CYL, 2252 * then maximum values will be placed in the corresponding chs entry. 2253 */ 2254 static void 2255 Set_Table_CHS_Values(int ti) 2256 { 2257 uint32_t lba, cy, hd, sc; 2258 2259 lba = (uint32_t)Table[ti].relsect; 2260 if (lba >= hba_heads * hba_sectors * MAX_CYL) { 2261 /* 2262 * the lba address cannot be expressed in CHS value 2263 * so store the maximum CHS field values in the CHS fields. 2264 */ 2265 cy = MAX_CYL + 1; 2266 hd = MAX_HEAD; 2267 sc = MAX_SECT; 2268 } else { 2269 cy = lba / hba_sectors / hba_heads; 2270 hd = lba / hba_sectors % hba_heads; 2271 sc = lba % hba_sectors + 1; 2272 } 2273 Table[ti].begcyl = cy & 0xff; 2274 Table[ti].beghead = (uchar_t)hd; 2275 Table[ti].begsect = (uchar_t)(((cy >> 2) & 0xc0) | sc); 2276 2277 /* 2278 * This code is identical to the code above 2279 * except that it works on ending CHS values 2280 */ 2281 lba = (uint32_t)(Table[ti].relsect + Table[ti].numsect - 1); 2282 if (lba >= hba_heads * hba_sectors * MAX_CYL) { 2283 cy = MAX_CYL + 1; 2284 hd = MAX_HEAD; 2285 sc = MAX_SECT; 2286 } else { 2287 cy = lba / hba_sectors / hba_heads; 2288 hd = lba / hba_sectors % hba_heads; 2289 sc = lba % hba_sectors + 1; 2290 } 2291 Table[ti].endcyl = cy & 0xff; 2292 Table[ti].endhead = (uchar_t)hd; 2293 Table[ti].endsect = (uchar_t)(((cy >> 2) & 0xc0) | sc); 2294 } 2295 2296 /* 2297 * insert_tbl 2298 * Insert entry into fdisk table. Check all user-supplied values 2299 * for the entry, but not the validity relative to other table 2300 * entries! 2301 */ 2302 static int 2303 insert_tbl( 2304 int id, int act, 2305 int bhead, int bsect, int bcyl, 2306 int ehead, int esect, int ecyl, 2307 uint32_t rsect, uint32_t numsect) 2308 { 2309 int i; 2310 2311 /* validate partition size */ 2312 if (((diskaddr_t)rsect + numsect) > dev_capacity) { 2313 (void) fprintf(stderr, 2314 "fdisk: Partition table exceeds the size of the disk.\n"); 2315 return (-1); 2316 } 2317 2318 2319 /* find UNUSED partition table entry */ 2320 for (i = 0; i < FD_NUMPART; i++) { 2321 if (Table[i].systid == UNUSED) { 2322 break; 2323 } 2324 } 2325 if (i >= FD_NUMPART) { 2326 (void) fprintf(stderr, "fdisk: Partition table is full.\n"); 2327 return (-1); 2328 } 2329 2330 2331 Table[i].systid = (uchar_t)id; 2332 Table[i].bootid = (uchar_t)act; 2333 Table[i].numsect = LE_32(numsect); 2334 Table[i].relsect = LE_32(rsect); 2335 2336 /* 2337 * If we have been called with a valid geometry, use it 2338 * valid means non-zero values that fit in the BIOS fields 2339 */ 2340 if (0 < bsect && bsect <= MAX_SECT && 2341 0 <= bhead && bhead <= MAX_HEAD && 2342 0 < esect && esect <= MAX_SECT && 2343 0 <= ehead && ehead <= MAX_HEAD) { 2344 if (bcyl > MAX_CYL) 2345 bcyl = MAX_CYL + 1; 2346 if (ecyl > MAX_CYL) 2347 ecyl = MAX_CYL + 1; 2348 Table[i].begcyl = bcyl & 0xff; 2349 Table[i].endcyl = ecyl & 0xff; 2350 Table[i].beghead = (uchar_t)bhead; 2351 Table[i].endhead = (uchar_t)ehead; 2352 Table[i].begsect = (uchar_t)(((bcyl >> 2) & 0xc0) | bsect); 2353 Table[i].endsect = ((ecyl >> 2) & 0xc0) | esect; 2354 } else { 2355 2356 /* 2357 * The specified values are invalid, 2358 * so calculate the values based on hba_heads, hba_sectors 2359 */ 2360 Set_Table_CHS_Values(i); 2361 } 2362 2363 /* 2364 * return partition index 2365 */ 2366 return (i); 2367 } 2368 2369 /* 2370 * entry_from_old_table 2371 * If the specified entry is in the old table and is not a Solaris entry 2372 * then insert same entry into new fdisk table. If we do this then 2373 * all checks are skipped for that entry! 2374 */ 2375 static int 2376 entry_from_old_table( 2377 int id, int act, 2378 int bhead, int bsect, int bcyl, 2379 int ehead, int esect, int ecyl, 2380 uint32_t rsect, uint32_t numsect) 2381 { 2382 uint32_t i, j; 2383 2384 if (id == SUNIXOS || id == SUNIXOS2) 2385 return (0); 2386 for (i = 0; i < FD_NUMPART; i++) { 2387 if (Old_Table[i].systid == id && 2388 Old_Table[i].bootid == act && 2389 Old_Table[i].beghead == bhead && 2390 Old_Table[i].begsect == ((bsect & 0x3f) | 2391 (uchar_t)((bcyl>>2) & 0xc0)) && 2392 Old_Table[i].begcyl == (uchar_t)(bcyl & 0xff) && 2393 Old_Table[i].endhead == ehead && 2394 Old_Table[i].endsect == ((esect & 0x3f) | 2395 (uchar_t)((ecyl>>2) & 0xc0)) && 2396 Old_Table[i].endcyl == (uchar_t)(ecyl & 0xff) && 2397 Old_Table[i].relsect == lel(rsect) && 2398 Old_Table[i].numsect == lel(numsect)) { 2399 /* find UNUSED partition table entry */ 2400 for (j = 0; j < FD_NUMPART; j++) { 2401 if (Table[j].systid == UNUSED) { 2402 (void) memcpy(&Table[j], &Old_Table[i], 2403 sizeof (Table[0])); 2404 skip_verify[j] = 1; 2405 return (1); 2406 2407 } 2408 } 2409 return (0); 2410 } 2411 2412 } 2413 return (0); 2414 } 2415 2416 /* 2417 * verify_tbl 2418 * Verify that no partition entries overlap or exceed the size of 2419 * the disk. 2420 */ 2421 static int 2422 verify_tbl(void) 2423 { 2424 uint32_t i, j, rsect, numsect; 2425 int noMoreParts = 0; 2426 int numParts = 0; 2427 2428 /* Make sure new entry does not overlap an existing entry */ 2429 for (i = 0; i < FD_NUMPART - 1; i++) { 2430 if (Table[i].systid != UNUSED) { 2431 numParts++; 2432 /* 2433 * No valid partitions allowed after an UNUSED or 2434 * EFI_PMBR part 2435 */ 2436 if (noMoreParts) { 2437 return (-1); 2438 } 2439 2440 /* 2441 * EFI_PMBR partitions must be the only partition 2442 * and must be Table entry 0 2443 */ 2444 if (Table[i].systid == EFI_PMBR) { 2445 if (i == 0) { 2446 noMoreParts = 1; 2447 } else { 2448 return (-1); 2449 } 2450 2451 if (Table[i].relsect != 1) { 2452 (void) fprintf(stderr, "ERROR: " 2453 "Invalid starting sector " 2454 "for EFI_PMBR partition:\n" 2455 "relsect %d " 2456 "(should be 1)\n", 2457 Table[i].relsect); 2458 2459 return (-1); 2460 } 2461 2462 if (Table[i].numsect != dev_capacity - 1) { 2463 (void) fprintf(stderr, "ERROR: " 2464 "EFI_PMBR partition must " 2465 "encompass the entire " 2466 "disk.\n numsect %d - " 2467 "actual %llu\n", 2468 Table[i].numsect, 2469 dev_capacity - 1); 2470 2471 return (-1); 2472 } 2473 } 2474 2475 /* make sure the partition isn't larger than the disk */ 2476 rsect = LE_32(Table[i].relsect); 2477 numsect = LE_32(Table[i].numsect); 2478 2479 if ((((diskaddr_t)rsect + numsect) > dev_capacity) || 2480 (((diskaddr_t)rsect + numsect) > DK_MAX_2TB)) { 2481 if (!skip_verify[i]) 2482 return (-1); 2483 } 2484 2485 for (j = i + 1; j < FD_NUMPART; j++) { 2486 if (Table[j].systid != UNUSED) { 2487 uint32_t t_relsect = 2488 LE_32(Table[j].relsect); 2489 uint32_t t_numsect = 2490 LE_32(Table[j].numsect); 2491 2492 if (noMoreParts) { 2493 (void) fprintf(stderr, 2494 "Cannot add partition to " 2495 "table; no more partitions " 2496 "allowed\n"); 2497 2498 if (io_debug) { 2499 (void) fprintf(stderr, 2500 "DEBUG: Current " 2501 "partition:\t" 2502 "%d:%d:%d:%d:%d:" 2503 "%d:%d:%d:%d:%d\n" 2504 " Next " 2505 "partition:\t\t" 2506 "%d:%d:%d:%d:%d:" 2507 "%d:%d:%d:%d:%d\n", 2508 Table[i].systid, 2509 Table[i].bootid, 2510 Table[i].begcyl, 2511 Table[i].beghead, 2512 Table[i].begsect, 2513 Table[i].endcyl, 2514 Table[i].endhead, 2515 Table[i].endsect, 2516 Table[i].relsect, 2517 Table[i].numsect, 2518 Table[j].systid, 2519 Table[j].bootid, 2520 Table[j].begcyl, 2521 Table[j].beghead, 2522 Table[j].begsect, 2523 Table[j].endcyl, 2524 Table[j].endhead, 2525 Table[j].endsect, 2526 Table[j].relsect, 2527 Table[j].numsect); 2528 } 2529 2530 return (-1); 2531 } 2532 if ((rsect >= 2533 (t_relsect + t_numsect)) || 2534 ((rsect + numsect) <= t_relsect)) { 2535 continue; 2536 } else { 2537 (void) fprintf(stderr, "ERROR: " 2538 "current partition overlaps" 2539 " following partition\n"); 2540 2541 return (-1); 2542 } 2543 } 2544 } 2545 } else { 2546 noMoreParts = 1; 2547 } 2548 } 2549 if (Table[i].systid != UNUSED) { 2550 if (noMoreParts) 2551 return (-1); 2552 if (!skip_verify[i] && 2553 ((((diskaddr_t)lel(Table[i].relsect) + 2554 lel(Table[i].numsect)) > dev_capacity) || 2555 (((diskaddr_t)lel(Table[i].relsect) + 2556 lel(Table[i].numsect)) > DK_MAX_2TB))) { 2557 return (-1); 2558 } 2559 } 2560 2561 return (numParts); 2562 } 2563 2564 /* 2565 * pars_fdisk 2566 * Parse user-supplied data to set up fdisk partitions 2567 * (-A, -D, -F). 2568 */ 2569 static int 2570 pars_fdisk( 2571 char *line, 2572 int *id, int *act, 2573 int *bhead, int *bsect, int *bcyl, 2574 int *ehead, int *esect, int *ecyl, 2575 uint32_t *rsect, uint32_t *numsect) 2576 { 2577 int i; 2578 int64_t test; 2579 char *tok, *p; 2580 char buf[256]; 2581 2582 if (line[0] == '\0' || line[0] == '\n' || line[0] == '*') 2583 return (1); 2584 line[strlen(line)] = '\0'; 2585 for (i = 0; i < strlen(line); i++) { 2586 if (line[i] == '\0') { 2587 break; 2588 } else if (line[i] == ':') { 2589 line[i] = ' '; 2590 } 2591 } 2592 strncpy(buf, line, 256); 2593 errno = 0; 2594 tok = strtok(buf, ": \t\n"); 2595 while (tok != NULL) { 2596 for (p = tok; *p != '\0'; p++) { 2597 if (!isdigit(*p)) { 2598 printf("Invalid input %s in line %s.\n", 2599 tok, line); 2600 exit(1); 2601 } 2602 } 2603 2604 test = strtoll(tok, (char **)NULL, 10); 2605 if ((test < 0) || (test > 0xFFFFFFFF) || (errno != 0)) { 2606 printf("Invalid input %s in line %s.\n", tok, line); 2607 exit(1); 2608 } 2609 tok = strtok(NULL, ": \t\n"); 2610 } 2611 if (sscanf(line, "%d %d %d %d %d %d %d %d %u %u", 2612 id, act, bhead, bsect, bcyl, ehead, esect, ecyl, 2613 rsect, numsect) != 10) { 2614 (void) fprintf(stderr, "Syntax error:\n \"%s\".\n", line); 2615 exit(1); 2616 } 2617 return (0); 2618 } 2619 2620 /* 2621 * validate_part 2622 * Validate that a new partition does not start at sector 0. Only UNUSED 2623 * partitions and previously existing partitions are allowed to start at 0. 2624 */ 2625 static int 2626 validate_part(int id, uint32_t rsect, uint32_t numsect) 2627 { 2628 int i; 2629 if ((id != UNUSED) && (rsect == 0)) { 2630 for (i = 0; i < FD_NUMPART; i++) { 2631 if ((Old_Table[i].systid == id) && 2632 (Old_Table[i].relsect == LE_32(rsect)) && 2633 (Old_Table[i].numsect == LE_32(numsect))) 2634 return (0); 2635 } 2636 (void) fprintf(stderr, 2637 "New partition cannot start at sector 0\n"); 2638 return (-1); 2639 } 2640 #ifdef i386 2641 if (id > FDISK_MAX_VALID_PART_ID) { 2642 fprintf(stderr, "Invalid partition ID\n"); 2643 return (-1); 2644 } 2645 #endif 2646 return (0); 2647 } 2648 2649 /* 2650 * stage0 2651 * Print out interactive menu and process user input. 2652 */ 2653 static void 2654 stage0(void) 2655 { 2656 #ifdef i386 2657 int rval; 2658 #endif 2659 dispmenu(); 2660 for (;;) { 2661 (void) printf(Q_LINE); 2662 (void) printf("Enter Selection: "); 2663 (void) fgets(s, sizeof (s), stdin); 2664 rm_blanks(s); 2665 #ifdef i386 2666 while (!((s[0] > '0') && (s[0] < '8') && 2667 ((s[1] == '\0') || (s[1] == '\n')))) { 2668 #else 2669 while (!((s[0] > '0') && (s[0] < '7') && 2670 ((s[1] == '\0') || (s[1] == '\n')))) { 2671 #endif 2672 (void) printf(E_LINE); /* Clear any previous error */ 2673 #ifdef i386 2674 (void) printf( 2675 "Enter a one-digit number between 1 and 7."); 2676 #else 2677 (void) printf( 2678 "Enter a one-digit number between 1 and 6."); 2679 #endif 2680 (void) printf(Q_LINE); 2681 (void) printf("Enter Selection: "); 2682 (void) fgets(s, sizeof (s), stdin); 2683 rm_blanks(s); 2684 } 2685 (void) printf(E_LINE); 2686 switch (s[0]) { 2687 case '1': 2688 if (pcreate() == -1) 2689 return; 2690 break; 2691 case '2': 2692 if (pchange() == -1) 2693 return; 2694 break; 2695 case '3': 2696 if (pdelete() == -1) 2697 return; 2698 break; 2699 case '4': 2700 if (ppartid() == -1) 2701 return; 2702 break; 2703 #ifdef i386 2704 case '5': 2705 if (fdisk_ext_part_exists(epp)) { 2706 ext_part_menu(); 2707 } else { 2708 printf(Q_LINE); 2709 printf("\nNo extended partition found" 2710 "\n"); 2711 printf("Press enter to continue\n"); 2712 ext_read_input(s); 2713 } 2714 break; 2715 case '6': 2716 /* update disk partition table, if changed */ 2717 if (TableChanged() == 1) { 2718 copy_Table_to_Bootblk(); 2719 dev_mboot_write(0, Bootsect, sectsiz); 2720 } 2721 2722 /* 2723 * If the VTOC table is wrong fix it 2724 * (truncate only) 2725 */ 2726 if (io_adjt) { 2727 fix_slice(); 2728 } 2729 if (!io_readonly) { 2730 rval = fdisk_commit_ext_part(epp); 2731 switch (rval) { 2732 case FDISK_SUCCESS: 2733 /* Success */ 2734 /* Fallthrough */ 2735 case FDISK_ENOEXTPART: 2736 /* Nothing to do */ 2737 break; 2738 case FDISK_EMOUNTED: 2739 printf(Q_LINE); 2740 preach_and_continue(); 2741 continue; 2742 default: 2743 perror("Commit failed"); 2744 exit(1); 2745 } 2746 libfdisk_fini(&epp); 2747 } 2748 (void) close(Dev); 2749 exit(0); 2750 #else 2751 case '5': 2752 /* update disk partition table, if changed */ 2753 if (TableChanged() == 1) { 2754 copy_Table_to_Bootblk(); 2755 dev_mboot_write(0, Bootsect, sectsiz); 2756 } 2757 /* 2758 * If the VTOC table is wrong fix it 2759 * (truncate only) 2760 */ 2761 if (io_adjt) { 2762 fix_slice(); 2763 } 2764 (void) close(Dev); 2765 exit(0); 2766 /* FALLTHRU */ 2767 #endif 2768 #ifdef i386 2769 case '7': 2770 #else 2771 case '6': 2772 #endif 2773 /* 2774 * If the VTOC table is wrong fix it 2775 * (truncate only) 2776 */ 2777 if (io_adjt) { 2778 fix_slice(); 2779 } 2780 (void) close(Dev); 2781 exit(0); 2782 /* FALLTHRU */ 2783 default: 2784 break; 2785 } 2786 copy_Table_to_Bootblk(); 2787 disptbl(); 2788 dispmenu(); 2789 } 2790 } 2791 2792 /* 2793 * pcreate 2794 * Create partition entry in the table (interactive mode). 2795 */ 2796 static int 2797 pcreate(void) 2798 { 2799 uchar_t tsystid = 'z'; 2800 int i, j; 2801 uint32_t numsect; 2802 int retCode = 0; 2803 #ifdef i386 2804 int ext_part_present = 0; 2805 #endif 2806 2807 i = 0; 2808 for (;;) { 2809 if (i == FD_NUMPART) { 2810 (void) printf(E_LINE); 2811 (void) printf( 2812 "The partition table is full!\n" 2813 "You must delete a partition before creating" 2814 " a new one.\n"); 2815 return (-1); 2816 } 2817 if (Table[i].systid == UNUSED) { 2818 break; 2819 } 2820 i++; 2821 } 2822 2823 numsect = 0; 2824 for (i = 0; i < FD_NUMPART; i++) { 2825 if (Table[i].systid != UNUSED) { 2826 numsect += LE_32(Table[i].numsect); 2827 } 2828 #ifdef i386 2829 /* Check if an extended partition already exists */ 2830 if (fdisk_is_dos_extended(Table[i].systid)) { 2831 ext_part_present = 1; 2832 } 2833 #endif 2834 if (numsect >= chs_capacity) { 2835 (void) printf(E_LINE); 2836 (void) printf("There is no more room on the disk for" 2837 " another partition.\n"); 2838 (void) printf( 2839 "You must delete a partition before creating" 2840 " a new one.\n"); 2841 return (-1); 2842 } 2843 } 2844 while (tsystid == 'z') { 2845 2846 /* 2847 * The question here is expanding to more than what is 2848 * allocated for question lines (Q_LINE) which garbles 2849 * at least warning line. Clearing warning line as workaround 2850 * for now. 2851 */ 2852 2853 (void) printf(W_LINE); 2854 (void) printf(Q_LINE); 2855 (void) printf( 2856 "Select the partition type to create:\n" 2857 " 1=SOLARIS2 2=UNIX 3=PCIXOS 4=Other\n" 2858 " 5=DOS12 6=DOS16 7=DOSEXT 8=DOSBIG\n" 2859 " 9=DOS16LBA A=x86 Boot B=Diagnostic C=FAT32\n" 2860 " D=FAT32LBA E=DOSEXTLBA F=EFI 0=Exit? "); 2861 (void) fgets(s, sizeof (s), stdin); 2862 rm_blanks(s); 2863 if ((s[1] != '\0') && (s[1] != '\n')) { 2864 (void) printf(E_LINE); 2865 (void) printf("Invalid selection, try again."); 2866 continue; 2867 } 2868 switch (s[0]) { 2869 case '0': /* exit */ 2870 (void) printf(E_LINE); 2871 return (-1); 2872 case '1': /* Solaris partition */ 2873 tsystid = SUNIXOS2; 2874 break; 2875 case '2': /* UNIX partition */ 2876 tsystid = UNIXOS; 2877 break; 2878 case '3': /* PCIXOS partition */ 2879 tsystid = PCIXOS; 2880 break; 2881 case '4': /* OTHEROS System partition */ 2882 tsystid = OTHEROS; 2883 break; 2884 case '5': 2885 tsystid = DOSOS12; /* DOS 12 bit fat */ 2886 break; 2887 case '6': 2888 tsystid = DOSOS16; /* DOS 16 bit fat */ 2889 break; 2890 case '7': 2891 #ifdef i386 2892 if (ext_part_present) { 2893 printf(Q_LINE); 2894 printf(E_LINE); 2895 fprintf(stderr, 2896 "Extended partition already exists\n"); 2897 fprintf(stderr, "Press enter to continue\n"); 2898 ext_read_input(s); 2899 continue; 2900 } 2901 #endif 2902 tsystid = EXTDOS; 2903 break; 2904 case '8': 2905 tsystid = DOSHUGE; 2906 break; 2907 case '9': 2908 tsystid = FDISK_FAT95; /* FAT16, need extended int13 */ 2909 break; 2910 case 'a': /* x86 Boot partition */ 2911 case 'A': 2912 tsystid = X86BOOT; 2913 break; 2914 case 'b': /* Diagnostic boot partition */ 2915 case 'B': 2916 tsystid = DIAGPART; 2917 break; 2918 case 'c': /* FAT32 */ 2919 case 'C': 2920 tsystid = FDISK_WINDOWS; 2921 break; 2922 case 'd': /* FAT32 and need extended int13 */ 2923 case 'D': 2924 tsystid = FDISK_EXT_WIN; 2925 break; 2926 case 'e': /* Extended partition, need extended int13 */ 2927 case 'E': 2928 #ifdef i386 2929 if (ext_part_present) { 2930 printf(Q_LINE); 2931 printf(E_LINE); 2932 fprintf(stderr, 2933 "Extended partition already exists\n"); 2934 fprintf(stderr, "Press enter to continue\n"); 2935 ext_read_input(s); 2936 continue; 2937 } 2938 #endif 2939 tsystid = FDISK_EXTLBA; 2940 break; 2941 case 'f': 2942 case 'F': 2943 tsystid = EFI_PMBR; 2944 break; 2945 default: 2946 (void) printf(E_LINE); 2947 (void) printf("Invalid selection, try again."); 2948 continue; 2949 } 2950 } 2951 2952 (void) printf(E_LINE); 2953 2954 if (tsystid != EFI_PMBR) { 2955 (void) printf(W_LINE); 2956 if ((dev_capacity > DK_MAX_2TB)) 2957 (void) printf("WARNING: Disk is larger than 2 TB. " 2958 "Upper limit is 2 TB for non-EFI partition ID\n"); 2959 2960 /* create the new partition */ 2961 i = specify(tsystid); 2962 2963 if (i != -1) { 2964 /* see if it should be the active partition */ 2965 (void) printf(E_LINE); 2966 (void) printf(Q_LINE); 2967 2968 (void) printf( 2969 "Should this become the active partition? If " 2970 "yes, it will be activated\n" 2971 "each time the computer is reset or turned on.\n" 2972 "Please type \"y\" or \"n\". "); 2973 2974 if (yesno()) { 2975 (void) printf(E_LINE); 2976 for (j = 0; j < FD_NUMPART; j++) { 2977 if (j == i) { 2978 Table[j].bootid = ACTIVE; 2979 (void) printf(E_LINE); 2980 (void) printf( 2981 "Partition %d is now " 2982 "the active partition.", 2983 j + 1); 2984 } else { 2985 Table[j].bootid = 0; 2986 } 2987 } 2988 } else { 2989 Table[i].bootid = 0; 2990 } 2991 2992 #ifdef i386 2993 /* 2994 * If partition created is an extended partition, null 2995 * out the first sector of the first cylinder of the 2996 * extended partition 2997 */ 2998 if (fdisk_is_dos_extended(Table[i].systid)) { 2999 fdisk_init_ext_part(epp, 3000 LE_32(Table[i].relsect), 3001 LE_32(Table[i].numsect)); 3002 } 3003 #endif 3004 /* set up the return code */ 3005 i = 1; 3006 } 3007 } else { 3008 /* 3009 * partitions of type EFI_PMBR must be the only partitions in 3010 * the table 3011 * 3012 * First, make sure there were no errors the table is 3013 * empty 3014 */ 3015 retCode = verify_tbl(); 3016 3017 if (retCode < 0) { 3018 (void) fprintf(stderr, 3019 "fdisk: Cannot create EFI partition table; \n" 3020 "current partition table is invalid.\n"); 3021 return (-1); 3022 } else if (retCode > 0) { 3023 (void) printf( 3024 "An EFI partition must be the only partition on " 3025 "disk. You may manually delete existing\n" 3026 "partitions, or fdisk can do it.\n" 3027 "Do you want fdisk to destroy existing " 3028 "partitions?\n" 3029 "Please type \"y\" or \"n\". "); 3030 3031 if (yesno()) { 3032 nulltbl(); 3033 } else { 3034 return (-1); 3035 } 3036 } 3037 3038 /* create the table entry - i should be 0 */ 3039 i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 1, 3040 (dev_capacity > DK_MAX_2TB) ? DK_MAX_2TB: 3041 (dev_capacity - 1)); 3042 3043 if (i != 0) { 3044 (void) printf("Error creating EFI partition!!!\n"); 3045 i = -1; 3046 } else { 3047 3048 /* EFI partitions are currently never active */ 3049 Table[i].bootid = 0; 3050 3051 /* set up the return code */ 3052 i = 1; 3053 } 3054 } 3055 3056 return (i); 3057 } 3058 3059 /* 3060 * specify 3061 * Query the user to specify the size of the new partition in 3062 * terms of percentage of the disk or by specifying the starting 3063 * cylinder and length in cylinders. 3064 */ 3065 static int 3066 specify(uchar_t tsystid) 3067 { 3068 int i, j, percent = -1; 3069 int cyl, cylen; 3070 diskaddr_t first_free, size_free; 3071 diskaddr_t max_free; 3072 int cyl_size; 3073 struct ipart *partition[FD_NUMPART]; 3074 3075 cyl_size = heads * sectors; 3076 3077 /* 3078 * make a local copy of the partition table 3079 * and sort it into relsect order 3080 */ 3081 for (i = 0; i < FD_NUMPART; i++) 3082 partition[i] = &Table[i]; 3083 3084 for (i = 0; i < FD_NUMPART - 1; i++) { 3085 if (partition[i]->systid == UNUSED) 3086 break; 3087 for (j = i + 1; j < FD_NUMPART; j++) { 3088 if (partition[j]->systid == UNUSED) 3089 break; 3090 if (LE_32(partition[j]->relsect) < 3091 LE_32(partition[i]->relsect)) { 3092 struct ipart *temp = partition[i]; 3093 partition[i] = partition[j]; 3094 partition[j] = temp; 3095 } 3096 } 3097 } 3098 3099 3100 (void) printf(Q_LINE); 3101 (void) printf( 3102 "Specify the percentage of disk to use for this partition\n" 3103 "(or type \"c\" to specify the size in cylinders). "); 3104 (void) fgets(s, sizeof (s), stdin); 3105 rm_blanks(s); 3106 if (s[0] != 'c') { /* Specify size in percentage of disk */ 3107 i = 0; 3108 while ((s[i] != '\0') && (s[i] != '\n')) { 3109 if (s[i] < '0' || s[i] > '9') { 3110 (void) printf(E_LINE); 3111 (void) printf("Invalid percentage value " 3112 "specified; retry the operation."); 3113 return (-1); 3114 } 3115 i++; 3116 if (i > 3) { 3117 (void) printf(E_LINE); 3118 (void) printf("Invalid percentage value " 3119 "specified; retry the operation."); 3120 return (-1); 3121 } 3122 } 3123 if ((percent = atoi(s)) > 100) { 3124 (void) printf(E_LINE); 3125 (void) printf( 3126 "Percentage value is too large. The value must be" 3127 " between 1 and 100;\nretry the operation.\n"); 3128 return (-1); 3129 } 3130 if (percent < 1) { 3131 (void) printf(E_LINE); 3132 (void) printf( 3133 "Percentage value is too small. The value must be" 3134 " between 1 and 100;\nretry the operation.\n"); 3135 return (-1); 3136 } 3137 3138 if (percent == 100) 3139 cylen = Numcyl_usable - 1; 3140 else 3141 cylen = (Numcyl_usable * percent) / 100; 3142 3143 /* Verify DOS12 partition doesn't exceed max size of 32MB. */ 3144 if ((tsystid == DOSOS12) && 3145 ((long)((long)cylen * cyl_size) > MAXDOS)) { 3146 int n; 3147 n = MAXDOS * 100 / (int)(cyl_size) / Numcyl_usable; 3148 (void) printf(E_LINE); 3149 (void) printf("Maximum size for a DOS partition " 3150 "is %d%%; retry the operation.", 3151 n <= 100 ? n : 100); 3152 return (-1); 3153 } 3154 3155 3156 max_free = 0; 3157 for (i = 0; i < FD_NUMPART; i++) { 3158 3159 /* 3160 * check for free space before partition i 3161 * where i varies from 0 to 3 3162 * 3163 * freespace after partition 3 is unusable 3164 * because there are no free partitions 3165 * 3166 * freespace begins at the end of previous partition 3167 * or cylinder 1 3168 */ 3169 if (i) { 3170 /* Not an empty table */ 3171 first_free = LE_32(partition[i - 1]->relsect) + 3172 LE_32(partition[i - 1]->numsect); 3173 } else { 3174 first_free = cyl_size; 3175 } 3176 3177 /* 3178 * freespace ends before the current partition 3179 * or the end of the disk (chs end) 3180 */ 3181 if (partition[i]->systid == UNUSED) { 3182 size_free = chs_capacity - first_free; 3183 } else { 3184 /* 3185 * Partition might start before cylinder 1. 3186 * Make sure free space is not negative. 3187 */ 3188 size_free = 3189 (LE_32(partition[i]->relsect > first_free)) 3190 ? (LE_32(partition[i]->relsect) - 3191 first_free) : 0; 3192 } 3193 3194 /* save largest free space */ 3195 if (max_free < size_free) 3196 max_free = size_free; 3197 3198 if (((uint64_t)cylen * cyl_size) <= size_free) { 3199 /* We found a place to use */ 3200 break; 3201 } 3202 if (partition[i]->systid == UNUSED) { 3203 (void) printf(E_LINE); 3204 max_free /= (cyl_size); 3205 (void) fprintf(stderr, "fdisk: " 3206 "Maximum percentage available is %lld\n", 3207 100 * max_free / Numcyl_usable); 3208 return (-1); 3209 } 3210 } 3211 3212 (void) printf(E_LINE); 3213 if (i >= FD_NUMPART) { 3214 (void) fprintf(stderr, 3215 "fdisk: Partition table is full.\n"); 3216 return (-1); 3217 } 3218 3219 if ((i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 3220 first_free, cylen * cyl_size)) >= 0) { 3221 return (i); 3222 } 3223 return (-1); 3224 } else { 3225 3226 /* Specifying size in cylinders */ 3227 (void) printf(E_LINE); 3228 (void) printf(Q_LINE); 3229 (void) printf("Enter starting cylinder number: "); 3230 if ((cyl = getcyl()) == -1) { 3231 (void) printf(E_LINE); 3232 (void) printf("Invalid number; retry the operation."); 3233 return (-1); 3234 } 3235 if (cyl == 0) { 3236 (void) printf(E_LINE); 3237 (void) printf( 3238 "New partition cannot start at cylinder 0.\n"); 3239 return (-1); 3240 } 3241 3242 3243 if (cyl >= Numcyl_usable) { 3244 (void) printf(E_LINE); 3245 (void) printf( 3246 "Cylinder %d is out of bounds, " 3247 "the maximum is %d.\n", 3248 cyl, Numcyl_usable - 1); 3249 return (-1); 3250 } 3251 3252 (void) printf(Q_LINE); 3253 (void) printf("Enter partition size in cylinders: "); 3254 if ((cylen = getcyl()) == -1) { 3255 (void) printf(E_LINE); 3256 (void) printf("Invalid number, retry the operation."); 3257 return (-1); 3258 } 3259 3260 for (i = 0; i < FD_NUMPART; i++) { 3261 uint32_t t_relsect, t_numsect; 3262 3263 if (partition[i]->systid == UNUSED) 3264 break; 3265 t_relsect = LE_32(partition[i]->relsect); 3266 t_numsect = LE_32(partition[i]->numsect); 3267 3268 if (cyl * cyl_size >= t_relsect && 3269 cyl * cyl_size < t_relsect + t_numsect) { 3270 (void) printf(E_LINE); 3271 (void) printf( 3272 "Cylinder %d is already allocated" 3273 "\nretry the operation.", 3274 cyl); 3275 return (-1); 3276 } 3277 3278 if (cyl * cyl_size < t_relsect && 3279 (cyl + cylen - 1) * cyl_size > t_relsect) { 3280 (void) printf(E_LINE); 3281 (void) printf( 3282 "Maximum size for partition is %u cylinders" 3283 "\nretry the operation.", 3284 (t_relsect - cyl * cyl_size) / cyl_size); 3285 return (-1); 3286 } 3287 } 3288 3289 /* Verify partition doesn't exceed disk size or 2 TB */ 3290 if (cyl + cylen > Numcyl_usable) { 3291 (void) printf(E_LINE); 3292 if (Numcyl > Numcyl_usable) { 3293 (void) printf( 3294 "Maximum size for partition is %d " 3295 "cylinders; \nretry the operation.", 3296 Numcyl_usable - cyl); 3297 } else { 3298 (void) printf( 3299 "Maximum size for partition is %d " 3300 "cylinders; \nretry the operation.", 3301 Numcyl_usable - cyl); 3302 } 3303 return (-1); 3304 } 3305 3306 /* Verify DOS12 partition doesn't exceed max size of 32MB. */ 3307 if ((tsystid == DOSOS12) && 3308 ((long)((long)cylen * cyl_size) > MAXDOS)) { 3309 (void) printf(E_LINE); 3310 (void) printf( 3311 "Maximum size for a %s partition is %ld cylinders;" 3312 "\nretry the operation.", 3313 Dstr, MAXDOS / (int)(cyl_size)); 3314 return (-1); 3315 } 3316 3317 (void) printf(E_LINE); 3318 i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 3319 cyl * cyl_size, cylen * cyl_size); 3320 if (i < 0) 3321 return (-1); 3322 3323 if (verify_tbl() < 0) { 3324 (void) printf(E_LINE); 3325 (void) printf("fdisk: Cannot create partition table\n"); 3326 return (-1); 3327 } 3328 3329 return (i); 3330 } 3331 } 3332 3333 /* 3334 * dispmenu 3335 * Display command menu (interactive mode). 3336 */ 3337 static void 3338 dispmenu(void) 3339 { 3340 (void) printf(M_LINE); 3341 #ifdef i386 3342 (void) printf( 3343 "SELECT ONE OF THE FOLLOWING:\n" 3344 " 1. Create a partition\n" 3345 " 2. Specify the active partition\n" 3346 " 3. Delete a partition\n" 3347 " 4. Change between Solaris and Solaris2 Partition IDs\n" 3348 " 5. Edit/View extended partitions\n" 3349 " 6. Exit (update disk configuration and exit)\n" 3350 " 7. Cancel (exit without updating disk configuration)\n"); 3351 #else 3352 (void) printf( 3353 "SELECT ONE OF THE FOLLOWING:\n" 3354 " 1. Create a partition\n" 3355 " 2. Specify the active partition\n" 3356 " 3. Delete a partition\n" 3357 " 4. Change between Solaris and Solaris2 Partition IDs\n" 3358 " 5. Exit (update disk configuration and exit)\n" 3359 " 6. Cancel (exit without updating disk configuration)\n"); 3360 #endif 3361 } 3362 3363 /* 3364 * pchange 3365 * Change the ACTIVE designation of a partition. 3366 */ 3367 static int 3368 pchange(void) 3369 { 3370 char s[80]; 3371 int i, j; 3372 3373 for (;;) { 3374 (void) printf(Q_LINE); 3375 { 3376 (void) printf( 3377 "Specify the partition number to boot from" 3378 " (or specify 0 for none): "); 3379 } 3380 (void) fgets(s, sizeof (s), stdin); 3381 rm_blanks(s); 3382 if (((s[1] != '\0') && (s[1] != '\n')) || 3383 (s[0] < '0') || (s[0] > '4')) { 3384 (void) printf(E_LINE); 3385 (void) printf( 3386 "Invalid response, please specify a number" 3387 " between 0 and 4.\n"); 3388 } else { 3389 break; 3390 } 3391 } 3392 if (s[0] == '0') { /* No active partitions */ 3393 for (i = 0; i < FD_NUMPART; i++) { 3394 if (Table[i].systid != UNUSED && 3395 Table[i].bootid == ACTIVE) 3396 Table[i].bootid = 0; 3397 } 3398 (void) printf(E_LINE); 3399 (void) printf( 3400 "No partition is currently marked as active."); 3401 return (0); 3402 } else { /* User has selected a partition to be active */ 3403 i = s[0] - '1'; 3404 if (Table[i].systid == UNUSED) { 3405 (void) printf(E_LINE); 3406 (void) printf("Partition does not exist."); 3407 return (-1); 3408 } 3409 /* a DOS-DATA or EXT-DOS partition cannot be active */ 3410 else if ((Table[i].systid == DOSDATA) || 3411 (Table[i].systid == EXTDOS) || 3412 (Table[i].systid == FDISK_EXTLBA)) { 3413 (void) printf(E_LINE); 3414 (void) printf( 3415 "DOS-DATA, EXT_DOS and EXT_DOS_LBA partitions " 3416 "cannot be made active.\n"); 3417 (void) printf("Select another partition."); 3418 return (-1); 3419 } 3420 Table[i].bootid = ACTIVE; 3421 for (j = 0; j < FD_NUMPART; j++) { 3422 if (j != i) 3423 Table[j].bootid = 0; 3424 } 3425 } 3426 (void) printf(E_LINE); 3427 { 3428 (void) printf( 3429 "Partition %d is now active. The system will start up" 3430 " from this\n", i + 1); 3431 (void) printf("partition after the next reboot."); 3432 } 3433 return (1); 3434 } 3435 3436 /* 3437 * Change between SOLARIS and SOLARIS2 partition id 3438 */ 3439 static int 3440 ppartid(void) 3441 { 3442 char *p, s[80]; 3443 int i; 3444 3445 for (;;) { 3446 (void) printf(Q_LINE); 3447 (void) printf("Specify the partition number to change" 3448 " (or enter 0 to exit): "); 3449 if (!fgets(s, sizeof (s), stdin)) 3450 return (1); 3451 i = strtol(s, &p, 10); 3452 3453 if (*p != '\n' || i < 0 || i > FD_NUMPART) { 3454 (void) printf(E_LINE); 3455 (void) printf( 3456 "Invalid response, retry the operation.\n"); 3457 continue; 3458 } 3459 3460 if (i == 0) { 3461 /* exit delete command */ 3462 (void) printf(E_LINE); /* clear error message */ 3463 return (1); 3464 } 3465 3466 i -= 1; 3467 if (Table[i].systid == SUNIXOS) { 3468 Table[i].systid = SUNIXOS2; 3469 } else if (Table[i].systid == SUNIXOS2) { 3470 Table[i].systid = SUNIXOS; 3471 } else { 3472 (void) printf(E_LINE); 3473 (void) printf( 3474 "Partition %d is not a Solaris partition.", 3475 i + 1); 3476 continue; 3477 } 3478 3479 (void) printf(E_LINE); 3480 (void) printf("Partition %d has been changed.", i + 1); 3481 return (1); 3482 } 3483 } 3484 3485 /* 3486 * pdelete 3487 * Remove partition entry from the table (interactive mode). 3488 */ 3489 static char 3490 pdelete(void) 3491 { 3492 char s[80]; 3493 int i, j; 3494 char pactive; 3495 3496 DEL1: (void) printf(Q_LINE); 3497 (void) printf("Specify the partition number to delete" 3498 " (or enter 0 to exit): "); 3499 (void) fgets(s, sizeof (s), stdin); 3500 rm_blanks(s); 3501 if ((s[0] == '0')) { /* exit delete command */ 3502 (void) printf(E_LINE); /* clear error message */ 3503 return (1); 3504 } 3505 /* Accept only a single digit between 1 and 4 */ 3506 if (((s[1] != '\0') && (s[1] != '\n')) || 3507 (i = atoi(s)) < 1 || i > FD_NUMPART) { 3508 (void) printf(E_LINE); 3509 (void) printf("Invalid response, retry the operation.\n"); 3510 goto DEL1; 3511 } else { /* Found a digit between 1 and 4 */ 3512 --i; /* Structure begins with element 0 */ 3513 } 3514 3515 if (Table[i].systid == UNUSED) { 3516 (void) printf(E_LINE); 3517 (void) printf("Partition %d does not exist.", i + 1); 3518 return (-1); 3519 } 3520 3521 #ifdef i386 3522 if (fdisk_is_dos_extended(Table[i].systid) && 3523 (Table[i].relsect == fdisk_get_ext_beg_sec(epp)) && 3524 fdisk_get_logical_drive_count(epp)) { 3525 (void) printf(Q_LINE); 3526 (void) printf("There are logical drives inside the" 3527 " extended partition\n"); 3528 (void) printf("Are you sure of proceeding with deletion ?" 3529 " (type \"y\" or \"n\") "); 3530 3531 (void) printf(E_LINE); 3532 if (! yesno()) { 3533 return (1); 3534 } 3535 if (fdisk_mounted_logical_drives(epp) == FDISK_EMOUNTED) { 3536 (void) printf(Q_LINE); 3537 (void) printf("There are mounted logical drives. " 3538 "Committing changes now can cause data loss or " 3539 "corruption. Unmount all logical drives and then " 3540 "try committing the changes again.\n"); 3541 (void) printf("Press enter to continue.\n"); 3542 ext_read_input(s); 3543 return (1); 3544 } 3545 fdisk_delete_ext_part(epp); 3546 } else { 3547 #endif 3548 (void) printf(Q_LINE); 3549 (void) printf("Are you sure you want to delete partition %d?" 3550 " This will make all files and \n", i + 1); 3551 (void) printf("programs in this partition inaccessible (type" 3552 " \"y\" or \"n\"). "); 3553 3554 (void) printf(E_LINE); 3555 if (! yesno()) { 3556 return (1); 3557 } 3558 #ifdef i386 3559 } 3560 #endif 3561 3562 if (Table[i].bootid == ACTIVE) { 3563 pactive = 1; 3564 } else { 3565 pactive = 0; 3566 } 3567 3568 for (j = i; j < FD_NUMPART - 1; j++) { 3569 Table[j] = Table[j + 1]; 3570 } 3571 3572 Table[j].systid = UNUSED; 3573 Table[j].numsect = 0; 3574 Table[j].relsect = 0; 3575 Table[j].bootid = 0; 3576 (void) printf(E_LINE); 3577 (void) printf("Partition %d has been deleted.", i + 1); 3578 3579 if (pactive) { 3580 (void) printf(" This was the active partition."); 3581 } 3582 3583 return (1); 3584 } 3585 3586 /* 3587 * rm_blanks 3588 * Remove blanks from strings of user responses. 3589 */ 3590 static void 3591 rm_blanks(char *s) 3592 { 3593 register int i, j; 3594 3595 for (i = 0; i < CBUFLEN; i++) { 3596 if ((s[i] == ' ') || (s[i] == '\t')) 3597 continue; 3598 else 3599 /* Found first non-blank character of the string */ 3600 break; 3601 } 3602 for (j = 0; i < CBUFLEN; j++, i++) { 3603 if ((s[j] = s[i]) == '\0') { 3604 /* Reached end of string */ 3605 return; 3606 } 3607 } 3608 } 3609 3610 /* 3611 * getcyl 3612 * Take the user-specified cylinder number and convert it from a 3613 * string to a decimal value. 3614 */ 3615 static int 3616 getcyl(void) 3617 { 3618 int slen, i, j; 3619 unsigned int cyl; 3620 (void) fgets(s, sizeof (s), stdin); 3621 rm_blanks(s); 3622 slen = strlen(s); 3623 if (s[slen - 1] == '\n') 3624 slen--; 3625 j = 1; 3626 cyl = 0; 3627 for (i = slen - 1; i >= 0; i--) { 3628 if (s[i] < '0' || s[i] > '9') { 3629 return (-1); 3630 } 3631 cyl += (j * (s[i] - '0')); 3632 j *= 10; 3633 } 3634 return (cyl); 3635 } 3636 3637 /* 3638 * disptbl 3639 * Display the current fdisk table; determine percentage 3640 * of the disk used for each partition. 3641 */ 3642 static void 3643 disptbl(void) 3644 { 3645 int i; 3646 unsigned int startcyl, endcyl, length, percent, remainder; 3647 char *stat, *type; 3648 int is_pmbr = 0; 3649 3650 if ((heads == 0) || (sectors == 0)) { 3651 (void) printf("WARNING: critical disk geometry information" 3652 " missing!\n"); 3653 (void) printf("\theads = %d, sectors = %d\n", heads, sectors); 3654 exit(1); 3655 } 3656 3657 (void) printf(HOME); 3658 (void) printf(T_LINE); 3659 (void) printf(" Total disk size is %d cylinders\n", Numcyl); 3660 (void) printf(" Cylinder size is %d (%d byte) blocks\n\n", 3661 heads * sectors, sectsiz); 3662 (void) printf( 3663 " Cylinders\n"); 3664 (void) printf( 3665 " Partition Status Type Start End Length" 3666 " %%\n"); 3667 (void) printf( 3668 " ========= ====== ============ ===== === ======" 3669 " ==="); 3670 for (i = 0; i < FD_NUMPART; i++) { 3671 if (Table[i].systid == UNUSED) { 3672 (void) printf("\n"); 3673 (void) printf(CLR_LIN); 3674 continue; 3675 } 3676 if (Table[i].bootid == ACTIVE) 3677 stat = Actvstr; 3678 else 3679 stat = NAstr; 3680 switch (Table[i].systid) { 3681 case UNIXOS: 3682 type = Ustr; 3683 break; 3684 case SUNIXOS: 3685 type = SUstr; 3686 #ifdef i386 3687 if (fdisk_is_linux_swap(epp, Table[i].relsect, 3688 NULL) == 0) 3689 type = LINSWAPstr; 3690 #endif 3691 break; 3692 case SUNIXOS2: 3693 type = SU2str; 3694 break; 3695 case X86BOOT: 3696 type = X86str; 3697 break; 3698 case DOSOS12: 3699 type = Dstr; 3700 break; 3701 case DOSOS16: 3702 type = D16str; 3703 break; 3704 case EXTDOS: 3705 type = EDstr; 3706 break; 3707 case DOSDATA: 3708 type = DDstr; 3709 break; 3710 case DOSHUGE: 3711 type = DBstr; 3712 break; 3713 case PCIXOS: 3714 type = PCstr; 3715 break; 3716 case DIAGPART: 3717 type = DIAGstr; 3718 break; 3719 case FDISK_IFS: 3720 type = IFSstr; 3721 break; 3722 case FDISK_AIXBOOT: 3723 type = AIXstr; 3724 break; 3725 case FDISK_AIXDATA: 3726 type = AIXDstr; 3727 break; 3728 case FDISK_OS2BOOT: 3729 type = OS2str; 3730 break; 3731 case FDISK_WINDOWS: 3732 type = WINstr; 3733 break; 3734 case FDISK_EXT_WIN: 3735 type = EWINstr; 3736 break; 3737 case FDISK_FAT95: 3738 type = FAT95str; 3739 break; 3740 case FDISK_EXTLBA: 3741 type = EXTLstr; 3742 break; 3743 case FDISK_LINUX: 3744 type = LINUXstr; 3745 break; 3746 case FDISK_CPM: 3747 type = CPMstr; 3748 break; 3749 case FDISK_NOVELL2: 3750 type = NOV2str; 3751 break; 3752 case FDISK_NOVELL3: 3753 type = NOVstr; 3754 break; 3755 case FDISK_QNX4: 3756 type = QNXstr; 3757 break; 3758 case FDISK_QNX42: 3759 type = QNX2str; 3760 break; 3761 case FDISK_QNX43: 3762 type = QNX3str; 3763 break; 3764 case FDISK_LINUXNAT: 3765 type = LINNATstr; 3766 break; 3767 case FDISK_NTFSVOL1: 3768 type = NTFSVOL1str; 3769 break; 3770 case FDISK_NTFSVOL2: 3771 type = NTFSVOL2str; 3772 break; 3773 case FDISK_BSD: 3774 type = BSDstr; 3775 break; 3776 case FDISK_NEXTSTEP: 3777 type = NEXTSTEPstr; 3778 break; 3779 case FDISK_BSDIFS: 3780 type = BSDIFSstr; 3781 break; 3782 case FDISK_BSDISWAP: 3783 type = BSDISWAPstr; 3784 break; 3785 case EFI_PMBR: 3786 type = EFIstr; 3787 if (LE_32(Table[i].numsect) == DK_MAX_2TB) 3788 is_pmbr = 1; 3789 3790 break; 3791 default: 3792 type = Ostr; 3793 break; 3794 } 3795 startcyl = LE_32(Table[i].relsect) / 3796 (unsigned long)(heads * sectors); 3797 3798 if (LE_32(Table[i].numsect) == DK_MAX_2TB) { 3799 endcyl = Numcyl - 1; 3800 length = endcyl - startcyl + 1; 3801 } else { 3802 length = LE_32(Table[i].numsect) / 3803 (unsigned long)(heads * sectors); 3804 if (LE_32(Table[i].numsect) % 3805 (unsigned long)(heads * sectors)) 3806 length++; 3807 endcyl = startcyl + length - 1; 3808 } 3809 3810 percent = length * 100 / Numcyl_usable; 3811 if ((remainder = (length * 100 % Numcyl_usable)) != 0) { 3812 if ((remainder * 100 / Numcyl_usable) > 50) { 3813 /* round up */ 3814 percent++; 3815 } 3816 /* Else leave the percent as is since it's already */ 3817 /* rounded down */ 3818 } 3819 if (percent > 100) 3820 percent = 100; 3821 (void) printf( 3822 "\n %d %s %-12.12s %4d %4d %4d" 3823 " %3d", 3824 i + 1, stat, type, startcyl, endcyl, length, percent); 3825 } 3826 3827 /* Print warning message if table is empty */ 3828 if (Table[0].systid == UNUSED) { 3829 (void) printf(W_LINE); 3830 (void) printf("WARNING: no partitions are defined!"); 3831 } else { 3832 /* Clear the warning line */ 3833 (void) printf(W_LINE); 3834 3835 /* Print warning if disk > 2TB and is not EFI PMBR */ 3836 if (!is_pmbr && (dev_capacity > DK_MAX_2TB)) 3837 (void) printf("WARNING: Disk is larger than 2 TB. " 3838 "Upper limit is 2 TB for non-EFI partition ID\n"); 3839 } 3840 } 3841 3842 /* 3843 * print_Table 3844 * Write the detailed fdisk table to standard error for 3845 * the selected disk device. 3846 */ 3847 static void 3848 print_Table(void) 3849 { 3850 int i; 3851 3852 (void) fprintf(stderr, 3853 " SYSID ACT BHEAD BSECT BEGCYL EHEAD ESECT ENDCYL RELSECT" 3854 " NUMSECT\n"); 3855 3856 for (i = 0; i < FD_NUMPART; i++) { 3857 (void) fprintf(stderr, " %-5d ", Table[i].systid); 3858 (void) fprintf(stderr, "%-3d ", Table[i].bootid); 3859 (void) fprintf(stderr, "%-5d ", Table[i].beghead); 3860 (void) fprintf(stderr, "%-5d ", Table[i].begsect & 0x3f); 3861 (void) fprintf(stderr, "%-8d ", 3862 (((uint_t)Table[i].begsect & 0xc0) << 2) + Table[i].begcyl); 3863 3864 (void) fprintf(stderr, "%-5d ", Table[i].endhead); 3865 (void) fprintf(stderr, "%-5d ", Table[i].endsect & 0x3f); 3866 (void) fprintf(stderr, "%-8d ", 3867 (((uint_t)Table[i].endsect & 0xc0) << 2) + Table[i].endcyl); 3868 (void) fprintf(stderr, "%-10u ", LE_32(Table[i].relsect)); 3869 (void) fprintf(stderr, "%-10u\n", LE_32(Table[i].numsect)); 3870 3871 } 3872 } 3873 3874 /* 3875 * copy_Table_to_Old_Table 3876 * Copy Table into Old_Table. The function only copies the systid, 3877 * numsect, relsect, and bootid values because they are the only 3878 * ones compared when determining if Table has changed. 3879 */ 3880 static void 3881 copy_Table_to_Old_Table(void) 3882 { 3883 int i; 3884 for (i = 0; i < FD_NUMPART; i++) { 3885 (void) memcpy(&Old_Table[i], &Table[i], sizeof (Table[0])); 3886 } 3887 } 3888 3889 /* 3890 * nulltbl 3891 * Zero out the systid, numsect, relsect, and bootid values in the 3892 * fdisk table. 3893 */ 3894 static void 3895 nulltbl(void) 3896 { 3897 int i; 3898 3899 for (i = 0; i < FD_NUMPART; i++) { 3900 Table[i].systid = UNUSED; 3901 Table[i].numsect = LE_32(UNUSED); 3902 Table[i].relsect = LE_32(UNUSED); 3903 Table[i].bootid = 0; 3904 skip_verify[i] = 0; 3905 } 3906 } 3907 3908 /* 3909 * copy_Bootblk_to_Table 3910 * Copy the bytes from the boot record to an internal "Table". 3911 * All unused are padded with zeros starting at offset 446. 3912 */ 3913 static void 3914 copy_Bootblk_to_Table(void) 3915 { 3916 int i, j; 3917 char *bootptr; 3918 struct ipart iparts[FD_NUMPART]; 3919 3920 /* Get an aligned copy of the partition tables */ 3921 (void) memcpy(iparts, Bootblk->parts, sizeof (iparts)); 3922 bootptr = (char *)iparts; /* Points to start of partition table */ 3923 if (LE_16(Bootblk->signature) != MBB_MAGIC) { 3924 /* Signature is missing */ 3925 nulltbl(); 3926 (void) memcpy(Bootblk->bootinst, &BootCod, BOOTSZ); 3927 return; 3928 } 3929 /* 3930 * When the DOS fdisk command deletes a partition, it is not 3931 * recognized by the old algorithm. The algorithm that 3932 * follows looks at each entry in the Bootrec and copies all 3933 * those that are valid. 3934 */ 3935 j = 0; 3936 for (i = 0; i < FD_NUMPART; i++) { 3937 if (iparts[i].systid == 0) { 3938 /* Null entry */ 3939 bootptr += sizeof (struct ipart); 3940 } else { 3941 fill_ipart(bootptr, &Table[j]); 3942 j++; 3943 bootptr += sizeof (struct ipart); 3944 } 3945 } 3946 for (i = j; i < FD_NUMPART; i++) { 3947 Table[i].systid = UNUSED; 3948 Table[i].numsect = LE_32(UNUSED); 3949 Table[i].relsect = LE_32(UNUSED); 3950 Table[i].bootid = 0; 3951 3952 } 3953 /* For now, always replace the bootcode with ours */ 3954 (void) memcpy(Bootblk->bootinst, &BootCod, BOOTSZ); 3955 copy_Table_to_Bootblk(); 3956 } 3957 3958 /* 3959 * fill_ipart 3960 * Initialize ipart structure values. 3961 */ 3962 static void 3963 fill_ipart(char *bootptr, struct ipart *partp) 3964 { 3965 #ifdef sparc 3966 /* Packing struct ipart for Sparc */ 3967 partp->bootid = getbyte(&bootptr); 3968 partp->beghead = getbyte(&bootptr); 3969 partp->begsect = getbyte(&bootptr); 3970 partp->begcyl = getbyte(&bootptr); 3971 partp->systid = getbyte(&bootptr); 3972 partp->endhead = getbyte(&bootptr); 3973 partp->endsect = getbyte(&bootptr); 3974 partp->endcyl = getbyte(&bootptr); 3975 partp->relsect = (int32_t)getlong(&bootptr); 3976 partp->numsect = (int32_t)getlong(&bootptr); 3977 #else 3978 *partp = *(struct ipart *)bootptr; 3979 #endif 3980 } 3981 3982 /* 3983 * getbyte, getlong 3984 * Get a byte, a short, or a long (SPARC only). 3985 */ 3986 #ifdef sparc 3987 uchar_t 3988 getbyte(char **bp) 3989 { 3990 uchar_t b; 3991 3992 b = (uchar_t)**bp; 3993 *bp = *bp + 1; 3994 return (b); 3995 } 3996 3997 uint32_t 3998 getlong(char **bp) 3999 { 4000 int32_t b, bh, bl; 4001 4002 bh = ((**bp) << 8) | *(*bp + 1); 4003 *bp += 2; 4004 bl = ((**bp) << 8) | *(*bp + 1); 4005 *bp += 2; 4006 4007 b = (bh << 16) | bl; 4008 return ((uint32_t)b); 4009 } 4010 #endif 4011 4012 /* 4013 * copy_Table_to_Bootblk 4014 * Copy the table into the boot record. Note that the unused 4015 * entries will always be the last ones in the table and they are 4016 * marked with 100 in sysind. The the unused portion of the table 4017 * is padded with zeros in the bytes after the used entries. 4018 */ 4019 static void 4020 copy_Table_to_Bootblk(void) 4021 { 4022 struct ipart *boot_ptr, *tbl_ptr; 4023 4024 boot_ptr = (struct ipart *)Bootblk->parts; 4025 tbl_ptr = (struct ipart *)&Table[0].bootid; 4026 for (; tbl_ptr < (struct ipart *)&Table[FD_NUMPART].bootid; 4027 tbl_ptr++, boot_ptr++) { 4028 if (tbl_ptr->systid == UNUSED) 4029 (void) memset(boot_ptr, 0, sizeof (struct ipart)); 4030 else 4031 (void) memcpy(boot_ptr, tbl_ptr, sizeof (struct ipart)); 4032 } 4033 Bootblk->signature = LE_16(MBB_MAGIC); 4034 } 4035 4036 /* 4037 * TableChanged 4038 * Check for any changes in the partition table. 4039 */ 4040 static int 4041 TableChanged(void) 4042 { 4043 int i, changed; 4044 4045 changed = 0; 4046 for (i = 0; i < FD_NUMPART; i++) { 4047 if (memcmp(&Old_Table[i], &Table[i], sizeof (Table[0])) != 0) { 4048 /* Partition table changed, write back to disk */ 4049 changed = 1; 4050 } 4051 } 4052 4053 return (changed); 4054 } 4055 4056 /* 4057 * ffile_write 4058 * Display contents of partition table to standard output or 4059 * another file name without writing it to the disk (-W file). 4060 */ 4061 static void 4062 ffile_write(char *file) 4063 { 4064 register int i; 4065 FILE *fp; 4066 4067 /* 4068 * If file isn't standard output, then it's a file name. 4069 * Open file and write it. 4070 */ 4071 if (file != (char *)stdout) { 4072 if ((fp = fopen(file, "w")) == NULL) { 4073 (void) fprintf(stderr, 4074 "fdisk: Cannot open output file %s.\n", 4075 file); 4076 exit(1); 4077 } 4078 } 4079 else 4080 fp = stdout; 4081 4082 /* 4083 * Write the fdisk table information 4084 */ 4085 (void) fprintf(fp, "\n* %s default fdisk table\n", Dfltdev); 4086 (void) fprintf(fp, "* Dimensions:\n"); 4087 (void) fprintf(fp, "* %4d bytes/sector\n", sectsiz); 4088 (void) fprintf(fp, "* %4d sectors/track\n", sectors); 4089 (void) fprintf(fp, "* %4d tracks/cylinder\n", heads); 4090 (void) fprintf(fp, "* %4d cylinders\n", Numcyl); 4091 (void) fprintf(fp, "*\n"); 4092 /* Write virtual (HBA) geometry, if required */ 4093 if (v_flag) { 4094 (void) fprintf(fp, "* HBA Dimensions:\n"); 4095 (void) fprintf(fp, "* %4d bytes/sector\n", sectsiz); 4096 (void) fprintf(fp, "* %4d sectors/track\n", hba_sectors); 4097 (void) fprintf(fp, "* %4d tracks/cylinder\n", hba_heads); 4098 (void) fprintf(fp, "* %4d cylinders\n", hba_Numcyl); 4099 (void) fprintf(fp, "*\n"); 4100 } 4101 (void) fprintf(fp, "* systid:\n"); 4102 (void) fprintf(fp, "* 1: DOSOS12\n"); 4103 (void) fprintf(fp, "* 2: PCIXOS\n"); 4104 (void) fprintf(fp, "* 4: DOSOS16\n"); 4105 (void) fprintf(fp, "* 5: EXTDOS\n"); 4106 (void) fprintf(fp, "* 6: DOSBIG\n"); 4107 (void) fprintf(fp, "* 7: FDISK_IFS\n"); 4108 (void) fprintf(fp, "* 8: FDISK_AIXBOOT\n"); 4109 (void) fprintf(fp, "* 9: FDISK_AIXDATA\n"); 4110 (void) fprintf(fp, "* 10: FDISK_0S2BOOT\n"); 4111 (void) fprintf(fp, "* 11: FDISK_WINDOWS\n"); 4112 (void) fprintf(fp, "* 12: FDISK_EXT_WIN\n"); 4113 (void) fprintf(fp, "* 14: FDISK_FAT95\n"); 4114 (void) fprintf(fp, "* 15: FDISK_EXTLBA\n"); 4115 (void) fprintf(fp, "* 18: DIAGPART\n"); 4116 (void) fprintf(fp, "* 65: FDISK_LINUX\n"); 4117 (void) fprintf(fp, "* 82: FDISK_CPM\n"); 4118 (void) fprintf(fp, "* 86: DOSDATA\n"); 4119 (void) fprintf(fp, "* 98: OTHEROS\n"); 4120 (void) fprintf(fp, "* 99: UNIXOS\n"); 4121 (void) fprintf(fp, "* 100: FDISK_NOVELL2\n"); 4122 (void) fprintf(fp, "* 101: FDISK_NOVELL3\n"); 4123 (void) fprintf(fp, "* 119: FDISK_QNX4\n"); 4124 (void) fprintf(fp, "* 120: FDISK_QNX42\n"); 4125 (void) fprintf(fp, "* 121: FDISK_QNX43\n"); 4126 (void) fprintf(fp, "* 130: SUNIXOS\n"); 4127 (void) fprintf(fp, "* 131: FDISK_LINUXNAT\n"); 4128 (void) fprintf(fp, "* 134: FDISK_NTFSVOL1\n"); 4129 (void) fprintf(fp, "* 135: FDISK_NTFSVOL2\n"); 4130 (void) fprintf(fp, "* 165: FDISK_BSD\n"); 4131 (void) fprintf(fp, "* 167: FDISK_NEXTSTEP\n"); 4132 (void) fprintf(fp, "* 183: FDISK_BSDIFS\n"); 4133 (void) fprintf(fp, "* 184: FDISK_BSDISWAP\n"); 4134 (void) fprintf(fp, "* 190: X86BOOT\n"); 4135 (void) fprintf(fp, "* 191: SUNIXOS2\n"); 4136 (void) fprintf(fp, "* 238: EFI_PMBR\n"); 4137 (void) fprintf(fp, "* 239: EFI_FS\n"); 4138 (void) fprintf(fp, "*\n"); 4139 (void) fprintf(fp, 4140 "\n* Id Act Bhead Bsect Bcyl Ehead Esect Ecyl" 4141 " Rsect Numsect\n"); 4142 4143 for (i = 0; i < FD_NUMPART; i++) { 4144 (void) fprintf(fp, 4145 " %-5d %-4d %-6d %-6d %-7d %-6d %-6d %-7d %-10u" 4146 " %-10u\n", 4147 Table[i].systid, 4148 Table[i].bootid, 4149 Table[i].beghead, 4150 Table[i].begsect & 0x3f, 4151 ((Table[i].begcyl & 0xff) | ((Table[i].begsect & 4152 0xc0) << 2)), 4153 Table[i].endhead, 4154 Table[i].endsect & 0x3f, 4155 ((Table[i].endcyl & 0xff) | ((Table[i].endsect & 4156 0xc0) << 2)), 4157 LE_32(Table[i].relsect), 4158 LE_32(Table[i].numsect)); 4159 } 4160 #ifdef i386 4161 if (fdisk_ext_part_exists(epp)) { 4162 struct ipart ext_tab; 4163 logical_drive_t *temp; 4164 uint32_t rsect, numsect, tempsect = 0; 4165 for (temp = fdisk_get_ld_head(epp); temp != NULL; 4166 temp = temp->next) { 4167 ext_tab = temp->parts[0]; 4168 rsect = tempsect + LE_32(ext_tab.relsect) + 4169 fdisk_get_ext_beg_sec(epp); 4170 numsect = LE_32(ext_tab.numsect); 4171 tempsect = LE_32(temp->parts[1].relsect); 4172 (void) fprintf(fp, 4173 " %-5d %-4d %-6d %-6d %-7d %-6d %-6d " 4174 "%-7d %-8u %-8u\n", 4175 ext_tab.systid, 4176 ext_tab.bootid, 4177 ext_tab.beghead, 4178 ext_tab.begsect & 0x3f, 4179 ((ext_tab.begcyl & 0xff) | 4180 ((ext_tab.begsect & 0xc0) << 2)), 4181 ext_tab.endhead, 4182 ext_tab.endsect & 0x3f, 4183 ((ext_tab.endcyl & 0xff) | 4184 ((ext_tab.endsect & 0xc0) << 2)), 4185 rsect, 4186 numsect); 4187 } 4188 } 4189 #endif 4190 4191 if (fp != stdout) 4192 (void) fclose(fp); 4193 } 4194 4195 /* 4196 * fix_slice 4197 * Read the VTOC table on the Solaris partition and check that no 4198 * slices exist that extend past the end of the Solaris partition. 4199 * If no Solaris partition exists, nothing is done. 4200 */ 4201 static void 4202 fix_slice(void) 4203 { 4204 int i; 4205 uint32_t numsect; 4206 4207 if (io_image) { 4208 return; 4209 } 4210 4211 for (i = 0; i < FD_NUMPART; i++) { 4212 if (Table[i].systid == SUNIXOS || Table[i].systid == SUNIXOS2) { 4213 /* 4214 * Only the size matters (not starting point), since 4215 * VTOC entries are relative to the start of 4216 * the partition. 4217 */ 4218 numsect = LE_32(Table[i].numsect); 4219 break; 4220 } 4221 } 4222 4223 if (i >= FD_NUMPART) { 4224 if (!io_nifdisk) { 4225 (void) fprintf(stderr, 4226 "fdisk: No Solaris partition found - VTOC not" 4227 " checked.\n"); 4228 } 4229 return; 4230 } 4231 4232 if (readvtoc() != VTOC_OK) { 4233 exit(1); /* Failed to read the VTOC */ 4234 } 4235 for (i = 0; i < V_NUMPAR; i++) { 4236 /* Special case for slice two (entire disk) */ 4237 if (i == 2) { 4238 if (disk_vtoc.v_part[i].p_start != 0) { 4239 (void) fprintf(stderr, 4240 "slice %d starts at %llu, is not at" 4241 " start of partition", 4242 i, disk_vtoc.v_part[i].p_start); 4243 if (!io_nifdisk) { 4244 (void) printf(" adjust ?:"); 4245 if (yesno()) 4246 disk_vtoc.v_part[i].p_start = 0; 4247 } else { 4248 disk_vtoc.v_part[i].p_start = 0; 4249 (void) fprintf(stderr, " adjusted!\n"); 4250 } 4251 4252 } 4253 if (disk_vtoc.v_part[i].p_size != numsect) { 4254 (void) fprintf(stderr, 4255 "slice %d size %llu does not cover" 4256 " complete partition", 4257 i, disk_vtoc.v_part[i].p_size); 4258 if (!io_nifdisk) { 4259 (void) printf(" adjust ?:"); 4260 if (yesno()) 4261 disk_vtoc.v_part[i].p_size = 4262 numsect; 4263 } else { 4264 disk_vtoc.v_part[i].p_size = numsect; 4265 (void) fprintf(stderr, " adjusted!\n"); 4266 } 4267 } 4268 if (disk_vtoc.v_part[i].p_tag != V_BACKUP) { 4269 (void) fprintf(stderr, 4270 "slice %d tag was %d should be %d", 4271 i, disk_vtoc.v_part[i].p_tag, 4272 V_BACKUP); 4273 if (!io_nifdisk) { 4274 (void) printf(" fix ?:"); 4275 if (yesno()) 4276 disk_vtoc.v_part[i].p_tag = 4277 V_BACKUP; 4278 } else { 4279 disk_vtoc.v_part[i].p_tag = V_BACKUP; 4280 (void) fprintf(stderr, " fixed!\n"); 4281 } 4282 } 4283 continue; 4284 } 4285 if (io_ADJT) { 4286 if (disk_vtoc.v_part[i].p_start > numsect || 4287 disk_vtoc.v_part[i].p_start + 4288 disk_vtoc.v_part[i].p_size > numsect) { 4289 (void) fprintf(stderr, 4290 "slice %d (start %llu, end %llu)" 4291 " is larger than the partition", 4292 i, disk_vtoc.v_part[i].p_start, 4293 disk_vtoc.v_part[i].p_start + 4294 disk_vtoc.v_part[i].p_size); 4295 if (!io_nifdisk) { 4296 (void) printf(" remove ?:"); 4297 if (yesno()) { 4298 disk_vtoc.v_part[i].p_size = 0; 4299 disk_vtoc.v_part[i].p_start = 0; 4300 disk_vtoc.v_part[i].p_tag = 0; 4301 disk_vtoc.v_part[i].p_flag = 0; 4302 } 4303 } else { 4304 disk_vtoc.v_part[i].p_size = 0; 4305 disk_vtoc.v_part[i].p_start = 0; 4306 disk_vtoc.v_part[i].p_tag = 0; 4307 disk_vtoc.v_part[i].p_flag = 0; 4308 (void) fprintf(stderr, 4309 " removed!\n"); 4310 } 4311 } 4312 continue; 4313 } 4314 if (disk_vtoc.v_part[i].p_start > numsect) { 4315 (void) fprintf(stderr, 4316 "slice %d (start %llu) is larger than the " 4317 "partition", i, disk_vtoc.v_part[i].p_start); 4318 if (!io_nifdisk) { 4319 (void) printf(" remove ?:"); 4320 if (yesno()) { 4321 disk_vtoc.v_part[i].p_size = 0; 4322 disk_vtoc.v_part[i].p_start = 0; 4323 disk_vtoc.v_part[i].p_tag = 0; 4324 disk_vtoc.v_part[i].p_flag = 0; 4325 } 4326 } else { 4327 disk_vtoc.v_part[i].p_size = 0; 4328 disk_vtoc.v_part[i].p_start = 0; 4329 disk_vtoc.v_part[i].p_tag = 0; 4330 disk_vtoc.v_part[i].p_flag = 0; 4331 (void) fprintf(stderr, 4332 " removed!\n"); 4333 } 4334 } else if (disk_vtoc.v_part[i].p_start 4335 + disk_vtoc.v_part[i].p_size > numsect) { 4336 (void) fprintf(stderr, 4337 "slice %d (end %llu) is larger" 4338 " than the partition", 4339 i, 4340 disk_vtoc.v_part[i].p_start + 4341 disk_vtoc.v_part[i].p_size); 4342 if (!io_nifdisk) { 4343 (void) printf(" adjust ?:"); 4344 if (yesno()) { 4345 disk_vtoc.v_part[i].p_size = numsect; 4346 } 4347 } else { 4348 disk_vtoc.v_part[i].p_size = numsect; 4349 (void) fprintf(stderr, " adjusted!\n"); 4350 } 4351 } 4352 } 4353 #if 1 /* bh for now */ 4354 /* Make the VTOC look sane - ha ha */ 4355 disk_vtoc.v_version = V_VERSION; 4356 disk_vtoc.v_sanity = VTOC_SANE; 4357 disk_vtoc.v_nparts = V_NUMPAR; 4358 if (disk_vtoc.v_sectorsz == 0) 4359 disk_vtoc.v_sectorsz = NBPSCTR; 4360 #endif 4361 4362 /* Write the VTOC back to the disk */ 4363 if (!io_readonly) 4364 (void) writevtoc(); 4365 } 4366 4367 /* 4368 * yesno 4369 * Get yes or no answer. Return 1 for yes and 0 for no. 4370 */ 4371 4372 static int 4373 yesno(void) 4374 { 4375 char s[80]; 4376 4377 for (;;) { 4378 (void) fgets(s, sizeof (s), stdin); 4379 rm_blanks(s); 4380 if (((s[1] != '\0') && (s[1] != '\n')) || 4381 ((s[0] != 'y') && (s[0] != 'n'))) { 4382 (void) printf(E_LINE); 4383 (void) printf("Please answer with \"y\" or \"n\": "); 4384 continue; 4385 } 4386 if (s[0] == 'y') 4387 return (1); 4388 else 4389 return (0); 4390 } 4391 } 4392 4393 /* 4394 * readvtoc 4395 * Read the VTOC from the Solaris partition of the device. 4396 */ 4397 static int 4398 readvtoc(void) 4399 { 4400 int i; 4401 int retval = VTOC_OK; 4402 4403 if ((i = read_extvtoc(Dev, &disk_vtoc)) < VTOC_OK) { 4404 if (i == VT_EINVAL) { 4405 (void) fprintf(stderr, "fdisk: Invalid VTOC.\n"); 4406 vt_inval++; 4407 retval = VTOC_INVAL; 4408 } else if (i == VT_ENOTSUP) { 4409 (void) fprintf(stderr, "fdisk: partition may have EFI " 4410 "GPT\n"); 4411 retval = VTOC_NOTSUP; 4412 } else { 4413 (void) fprintf(stderr, "fdisk: Cannot read VTOC.\n"); 4414 retval = VTOC_RWERR; 4415 } 4416 } 4417 return (retval); 4418 } 4419 4420 /* 4421 * writevtoc 4422 * Write the VTOC to the Solaris partition on the device. 4423 */ 4424 static int 4425 writevtoc(void) 4426 { 4427 int i; 4428 int retval = 0; 4429 4430 if ((i = write_extvtoc(Dev, &disk_vtoc)) != 0) { 4431 if (i == VT_EINVAL) { 4432 (void) fprintf(stderr, 4433 "fdisk: Invalid entry exists in VTOC.\n"); 4434 retval = VTOC_INVAL; 4435 } else if (i == VT_ENOTSUP) { 4436 (void) fprintf(stderr, "fdisk: partition may have EFI " 4437 "GPT\n"); 4438 retval = VTOC_NOTSUP; 4439 } else { 4440 (void) fprintf(stderr, "fdisk: Cannot write VTOC.\n"); 4441 retval = VTOC_RWERR; 4442 } 4443 } 4444 return (retval); 4445 } 4446 4447 /* 4448 * efi_ioctl 4449 * issues DKIOCSETEFI IOCTL 4450 * (duplicate of private efi_ioctl() in rdwr_efi.c 4451 */ 4452 static int 4453 efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 4454 { 4455 void *data = dk_ioc->dki_data; 4456 int error; 4457 4458 dk_ioc->dki_data_64 = (uintptr_t)data; 4459 error = ioctl(fd, cmd, (void *)dk_ioc); 4460 4461 return (error); 4462 } 4463 4464 /* 4465 * clear_efi 4466 * Clear EFI labels from the EFI_PMBR partition on the device 4467 * This function is modeled on the libefi(3LIB) call efi_write() 4468 */ 4469 static int 4470 clear_efi(void) 4471 { 4472 struct dk_gpt *efi_vtoc; 4473 dk_efi_t dk_ioc; 4474 4475 /* 4476 * see if we can read the EFI label 4477 */ 4478 if (efi_alloc_and_read(Dev, &efi_vtoc) < 0) { 4479 return (VT_ERROR); 4480 } 4481 4482 /* 4483 * set up the dk_ioc structure for writing 4484 */ 4485 dk_ioc.dki_lba = 1; 4486 dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + efi_vtoc->efi_lbasize; 4487 4488 if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) { 4489 return (VT_ERROR); 4490 } 4491 4492 /* 4493 * clear the primary label 4494 */ 4495 if (io_debug) { 4496 (void) fprintf(stderr, 4497 "\tClearing primary EFI label at block %lld\n", 4498 dk_ioc.dki_lba); 4499 } 4500 4501 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 4502 free(dk_ioc.dki_data); 4503 switch (errno) { 4504 case EIO: 4505 return (VT_EIO); 4506 case EINVAL: 4507 return (VT_EINVAL); 4508 default: 4509 return (VT_ERROR); 4510 } 4511 } 4512 4513 /* 4514 * clear the backup partition table 4515 */ 4516 dk_ioc.dki_lba = efi_vtoc->efi_last_u_lba + 1; 4517 dk_ioc.dki_length -= efi_vtoc->efi_lbasize; 4518 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 4519 efi_vtoc->efi_lbasize); 4520 if (io_debug) { 4521 (void) fprintf(stderr, 4522 "\tClearing backup partition table at block %lld\n", 4523 dk_ioc.dki_lba); 4524 } 4525 4526 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 4527 (void) fprintf(stderr, "\tUnable to clear backup EFI label at " 4528 "block %llu; errno %d\n", efi_vtoc->efi_last_u_lba + 1, 4529 errno); 4530 } 4531 4532 /* 4533 * clear the backup label 4534 */ 4535 dk_ioc.dki_lba = efi_vtoc->efi_last_lba; 4536 dk_ioc.dki_length = efi_vtoc->efi_lbasize; 4537 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 4538 efi_vtoc->efi_lbasize); 4539 if (io_debug) { 4540 (void) fprintf(stderr, "\tClearing backup label at block " 4541 "%lld\n", dk_ioc.dki_lba); 4542 } 4543 4544 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 4545 (void) fprintf(stderr, 4546 "\tUnable to clear backup EFI label at " 4547 "block %llu; errno %d\n", 4548 efi_vtoc->efi_last_lba, 4549 errno); 4550 } 4551 4552 free(dk_ioc.dki_data); 4553 efi_free(efi_vtoc); 4554 4555 return (0); 4556 } 4557 4558 /* 4559 * clear_vtoc 4560 * Clear the VTOC from the current or previous Solaris partition on the 4561 * device. 4562 */ 4563 static void 4564 clear_vtoc(int table, int part) 4565 { 4566 struct ipart *clr_table; 4567 char *disk_label; 4568 uint32_t pcyl, ncyl, count; 4569 diskaddr_t backup_block, solaris_offset; 4570 ssize_t bytes; 4571 off_t seek_byte; 4572 4573 #ifdef DEBUG 4574 char *read_label; 4575 #endif /* DEBUG */ 4576 4577 if (table == OLD) { 4578 clr_table = &Old_Table[part]; 4579 } else { 4580 clr_table = &Table[part]; 4581 } 4582 4583 disk_label = (char *)calloc(sectsiz, 1); 4584 if (disk_label == NULL) { 4585 return; 4586 } 4587 4588 seek_byte = (off_t)(LE_32(clr_table->relsect) + VTOC_OFFSET) * sectsiz; 4589 4590 if (io_debug) { 4591 (void) fprintf(stderr, 4592 "\tClearing primary VTOC at byte %llu (block %llu)\n", 4593 (uint64_t)seek_byte, 4594 (uint64_t)(LE_32(clr_table->relsect) + VTOC_OFFSET)); 4595 } 4596 4597 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 4598 (void) fprintf(stderr, 4599 "\tError seeking to primary label at byte %llu\n", 4600 (uint64_t)seek_byte); 4601 free(disk_label); 4602 return; 4603 } 4604 4605 bytes = write(Dev, disk_label, sectsiz); 4606 4607 if (bytes != sectsiz) { 4608 (void) fprintf(stderr, 4609 "\tWarning: only %d bytes written to clear primary" 4610 " VTOC!\n", bytes); 4611 } 4612 4613 #ifdef DEBUG 4614 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 4615 (void) fprintf(stderr, 4616 "DEBUG: Error seeking to primary label at byte %llu\n", 4617 (uint64_t)seek_byte); 4618 free(disk_label); 4619 return; 4620 } else { 4621 (void) fprintf(stderr, 4622 "DEBUG: Successful lseek() to byte %llu\n", 4623 (uint64_t)seek_byte); 4624 } 4625 4626 read_label = (char *)calloc(sectsiz, 1); 4627 if (read_label == NULL) { 4628 free(disk_label); 4629 return; 4630 } 4631 4632 bytes = read(Dev, read_label, sectsiz); 4633 4634 if (bytes != sectsiz) { 4635 (void) fprintf(stderr, 4636 "DEBUG: Warning: only %d bytes read of label\n", 4637 bytes); 4638 } 4639 4640 if (memcmp(disk_label, read_label, sectsiz) != 0) { 4641 (void) fprintf(stderr, 4642 "DEBUG: Warning: disk_label and read_label differ!!!\n"); 4643 } else { 4644 (void) fprintf(stderr, "DEBUG Good compare of disk_label and " 4645 "read_label\n"); 4646 } 4647 #endif /* DEBUG */ 4648 4649 /* Clear backup label */ 4650 pcyl = LE_32(clr_table->numsect) / (heads * sectors); 4651 solaris_offset = LE_32(clr_table->relsect); 4652 ncyl = pcyl - acyl; 4653 4654 backup_block = ((ncyl + acyl - 1) * 4655 (heads * sectors)) + ((heads - 1) * sectors) + 1; 4656 4657 for (count = 1; count < 6; count++) { 4658 seek_byte = (off_t)(solaris_offset + backup_block) * sectsiz; 4659 4660 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 4661 (void) fprintf(stderr, 4662 "\tError seeking to backup label at byte %llu on " 4663 "%s.\n", (uint64_t)seek_byte, Dfltdev); 4664 free(disk_label); 4665 #ifdef DEBUG 4666 free(read_label); 4667 #endif /* DEBUG */ 4668 return; 4669 } 4670 4671 if (io_debug) { 4672 (void) fprintf(stderr, "\tClearing backup VTOC at" 4673 " byte %llu (block %llu)\n", 4674 (uint64_t)seek_byte, 4675 (uint64_t)(solaris_offset + backup_block)); 4676 } 4677 4678 bytes = write(Dev, disk_label, sectsiz); 4679 4680 if (bytes != sectsiz) { 4681 (void) fprintf(stderr, 4682 "\t\tWarning: only %d bytes written to " 4683 "clear backup VTOC at block %llu!\n", bytes, 4684 (uint64_t)(solaris_offset + backup_block)); 4685 } 4686 4687 #ifdef DEBUG 4688 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 4689 (void) fprintf(stderr, 4690 "DEBUG: Error seeking to backup label at byte %llu\n", 4691 (uint64_t)seek_byte); 4692 free(disk_label); 4693 free(read_label); 4694 return; 4695 } else { 4696 (void) fprintf(stderr, 4697 "DEBUG: Successful lseek() to byte %llu\n", 4698 (uint64_t)seek_byte); 4699 } 4700 4701 bytes = read(Dev, read_label, sectsiz); 4702 4703 if (bytes != sectsiz) { 4704 (void) fprintf(stderr, 4705 "DEBUG: Warning: only %d bytes read of backup label\n", 4706 bytes); 4707 } 4708 4709 if (memcmp(disk_label, read_label, sectsiz) != 0) { 4710 (void) fprintf(stderr, 4711 "DEBUG: Warning: disk_label and read_label differ!!!\n"); 4712 } else { 4713 (void) fprintf(stderr, 4714 "DEBUG: Good compare of disk_label and backup " 4715 "read_label\n"); 4716 } 4717 4718 #endif /* DEBUG */ 4719 4720 backup_block += 2; 4721 } 4722 4723 #ifdef DEBUG 4724 free(read_label); 4725 #endif /* DEBUG */ 4726 free(disk_label); 4727 } 4728 4729 #define FDISK_STANDARD_LECTURE \ 4730 "Fdisk is normally used with the device that " \ 4731 "represents the entire fixed disk.\n" \ 4732 "(For example, /dev/rdsk/c0d0p0 on x86 or " \ 4733 "/dev/rdsk/c0t5d0s2 on sparc).\n" 4734 4735 #define FDISK_LECTURE_NOT_SECTOR_ZERO \ 4736 "The device does not appear to include absolute\n" \ 4737 "sector 0 of the PHYSICAL disk " \ 4738 "(the normal location for an fdisk table).\n" 4739 4740 #define FDISK_LECTURE_NOT_FULL \ 4741 "The device does not appear to encompass the entire PHYSICAL disk.\n" 4742 4743 #define FDISK_LECTURE_NO_VTOC \ 4744 "Unable to find a volume table of contents.\n" \ 4745 "Cannot verify the device encompasses the full PHYSICAL disk.\n" 4746 4747 #define FDISK_LECTURE_NO_GEOM \ 4748 "Unable to get geometry from device.\n" \ 4749 "Cannot verify the device encompasses the full PHYSICAL disk.\n" 4750 4751 #define FDISK_SHALL_I_CONTINUE \ 4752 "Are you sure you want to continue? (y/n) " 4753 4754 /* 4755 * lecture_and_query 4756 * Called when a sanity check fails. This routine gives a warning 4757 * specific to the check that fails, followed by a generic lecture 4758 * about the "right" device to supply as input. Then, if appropriate, 4759 * it will prompt the user on whether or not they want to continue. 4760 * Inappropriate times for prompting are when the user has selected 4761 * non-interactive mode or read-only mode. 4762 */ 4763 static int 4764 lecture_and_query(char *warning, char *devname) 4765 { 4766 if (io_nifdisk) 4767 return (0); 4768 4769 (void) fprintf(stderr, "WARNING: Device %s: \n", devname); 4770 (void) fprintf(stderr, "%s", warning); 4771 (void) fprintf(stderr, FDISK_STANDARD_LECTURE); 4772 (void) fprintf(stderr, FDISK_SHALL_I_CONTINUE); 4773 4774 return (yesno()); 4775 } 4776 4777 static void 4778 sanity_check_provided_device(char *devname, int fd) 4779 { 4780 struct extvtoc v; 4781 struct dk_geom d; 4782 struct part_info pi; 4783 struct extpart_info extpi; 4784 diskaddr_t totsize; 4785 int idx = -1; 4786 4787 /* 4788 * First try the PARTINFO ioctl. If it works, we will be able 4789 * to tell if they've specified the full disk partition by checking 4790 * to see if they've specified a partition that starts at sector 0. 4791 */ 4792 if (ioctl(fd, DKIOCEXTPARTINFO, &extpi) != -1) { 4793 if (extpi.p_start != 0) { 4794 if (!lecture_and_query(FDISK_LECTURE_NOT_SECTOR_ZERO, 4795 devname)) { 4796 (void) close(fd); 4797 exit(1); 4798 } 4799 } 4800 } else if (ioctl(fd, DKIOCPARTINFO, &pi) != -1) { 4801 if (pi.p_start != 0) { 4802 if (!lecture_and_query(FDISK_LECTURE_NOT_SECTOR_ZERO, 4803 devname)) { 4804 (void) close(fd); 4805 exit(1); 4806 } 4807 } 4808 } else { 4809 if ((idx = read_extvtoc(fd, &v)) < 0) { 4810 if (!lecture_and_query(FDISK_LECTURE_NO_VTOC, 4811 devname)) { 4812 (void) close(fd); 4813 exit(1); 4814 } 4815 return; 4816 } 4817 if (ioctl(fd, DKIOCGGEOM, &d) == -1) { 4818 perror(devname); 4819 if (!lecture_and_query(FDISK_LECTURE_NO_GEOM, 4820 devname)) { 4821 (void) close(fd); 4822 exit(1); 4823 } 4824 return; 4825 } 4826 totsize = (diskaddr_t)d.dkg_ncyl * d.dkg_nhead * d.dkg_nsect; 4827 if (v.v_part[idx].p_size != totsize) { 4828 if (!lecture_and_query(FDISK_LECTURE_NOT_FULL, 4829 devname)) { 4830 (void) close(fd); 4831 exit(1); 4832 } 4833 } 4834 } 4835 } 4836 4837 4838 /* 4839 * get_node 4840 * Called from main to construct the name of the device node to open. 4841 * Initially tries to stat the node exactly as provided, if that fails 4842 * we prepend the default path (/dev/rdsk/). 4843 */ 4844 static char * 4845 get_node(char *devname) 4846 { 4847 char *node; 4848 struct stat statbuf; 4849 size_t space; 4850 4851 /* Don't do anything if we are skipping device checks */ 4852 if (io_image) 4853 return (devname); 4854 4855 node = devname; 4856 4857 /* Try the node as provided first */ 4858 if (stat(node, (struct stat *)&statbuf) == -1) { 4859 /* 4860 * Copy the passed in string to a new buffer, prepend the 4861 * default path and try again. 4862 */ 4863 space = strlen(DEFAULT_PATH) + strlen(devname) + 1; 4864 4865 if ((node = malloc(space)) == NULL) { 4866 (void) fprintf(stderr, "fdisk: Unable to obtain memory " 4867 "for device node.\n"); 4868 exit(1); 4869 } 4870 4871 /* Copy over the default path and the provided node */ 4872 (void) strncpy(node, DEFAULT_PATH, strlen(DEFAULT_PATH)); 4873 space -= strlen(DEFAULT_PATH); 4874 (void) strlcpy(node + strlen(DEFAULT_PATH), devname, space); 4875 4876 /* Try to stat it again */ 4877 if (stat(node, (struct stat *)&statbuf) == -1) { 4878 /* Failed all options, give up */ 4879 (void) fprintf(stderr, 4880 "fdisk: Cannot stat device %s.\n", 4881 devname); 4882 exit(1); 4883 } 4884 } 4885 4886 /* Make sure the device specified is the raw device */ 4887 if ((statbuf.st_mode & S_IFMT) != S_IFCHR) { 4888 (void) fprintf(stderr, 4889 "fdisk: %s must be a raw device.\n", node); 4890 exit(1); 4891 } 4892 4893 return (node); 4894 } 4895 4896 #ifdef i386 4897 static void 4898 preach_and_continue() 4899 { 4900 (void) fprintf(stderr, "There are mounted logical drives. Committing " 4901 "changes now can lead to inconsistancy in internal system state " 4902 "which can eventually cause data loss or corruption. Unmount all " 4903 "logical drives and try committing the changes again.\n"); 4904 ext_read_input(s); 4905 } 4906 4907 /* 4908 * Convert a given partition ID to an descriptive string. 4909 * Just an index into the partition types table. 4910 */ 4911 void 4912 id_to_name(uchar_t sysid, char *buffer) 4913 { 4914 strcpy(buffer, fdisk_part_types[sysid]); 4915 } 4916 4917 /* 4918 * Procedure to check the validity of the extended partition menu option 4919 * entered by the user 4920 */ 4921 static int 4922 ext_invalid_option(char ch) 4923 { 4924 char *p; 4925 4926 p = strchr(ext_part_menu_opts, tolower(ch)); 4927 4928 if (p == NULL) { 4929 return (1); 4930 } 4931 return (0); 4932 } 4933 4934 /* 4935 * Read 16 bytes of the input (assuming that no valid user input spans more 4936 * than that). Flush the input stream, so that the next read does not reap 4937 * stale data from the previous input that was not processed. 4938 * Note that fgets also reads the trailing '\n' 4939 */ 4940 static void 4941 ext_read_input(char *buf) 4942 { 4943 fgets(buf, 16, stdin); 4944 fflush(stdin); 4945 } 4946 4947 /* 4948 * Procedure to read and validate the user option at the extended partition menu 4949 */ 4950 static int 4951 ext_read_options(char *buf) 4952 { 4953 ext_read_input(buf); 4954 if ((strlen(buf) != 2) || (ext_invalid_option(buf[0]))) { 4955 printf("\nUnknown Command\n"); 4956 return (-1); 4957 } 4958 return (0); 4959 } 4960 4961 /* 4962 * Procedure to print the list of known partition types and their IDs 4963 */ 4964 static void 4965 ext_print_part_types() 4966 { 4967 int i, rowmax, rowcount = 1; 4968 struct winsize ws; 4969 char buf[80]; 4970 4971 /* Get the current window dimensions */ 4972 if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) < 0) { 4973 perror("ioctl"); 4974 rowmax = 20; 4975 } else { 4976 /* 4977 * Accommodate the initial headings by reducing the number of 4978 * partition IDs being printed. 4979 */ 4980 rowmax = ws.ws_row - 5; 4981 } 4982 4983 if (rowmax < 3) { 4984 fprintf(stderr, "Window size too small." 4985 " Try resizing the window\n"); 4986 return; 4987 } 4988 4989 printf("List of known partition types : \n"); 4990 printf("PartID Partition Type\n"); 4991 printf("====== ==============\n"); 4992 for (i = 0; i <= FDISK_MAX_VALID_PART_ID; i++) { 4993 printf("%-3d %s\n", i, fdisk_part_types[i]); 4994 rowcount++; 4995 if (rowcount == rowmax) { 4996 /* 4997 * After the initial screen, use all the rows for 4998 * printing the partition IDs, but one. 4999 */ 5000 rowmax = ws.ws_row - 1; 5001 fprintf(stderr, "\nPress enter to see next page or 'q'" 5002 " to quit : "); 5003 ext_read_input(buf); 5004 if ((strlen(buf) == 2) && (tolower(buf[0]) == 'q')) { 5005 return; 5006 } 5007 rowcount = 1; 5008 } 5009 } 5010 } 5011 5012 static void 5013 ext_read_valid_part_num(int *pno) 5014 { 5015 char buf[80]; 5016 int len, i; 5017 5018 for (;;) { 5019 printf("Enter the partition number : "); 5020 ext_read_input(buf); 5021 5022 len = strlen(buf); 5023 5024 /* Check length of the input */ 5025 if ((len < 2) || (len > (FDISK_MAX_VALID_PART_NUM_DIGITS+1))) { 5026 goto print_error_and_continue; 5027 } 5028 5029 /* Check if there is a non-digit in the input */ 5030 for (i = 0; i < len-1; i++) { 5031 if (!isdigit(buf[i])) { 5032 goto print_error_and_continue; 5033 } 5034 } 5035 5036 *pno = atoi(buf); 5037 5038 if ((*pno <= FD_NUMPART) || 5039 *pno > (fdisk_get_logical_drive_count(epp) + FD_NUMPART)) { 5040 goto print_error_and_continue; 5041 } 5042 5043 break; 5044 print_error_and_continue: 5045 printf("Invalid partition number\n"); 5046 continue; 5047 } 5048 } 5049 5050 static void 5051 ext_read_valid_part_id(uchar_t *partid) 5052 { 5053 char buf[80]; 5054 int len, i, id; 5055 5056 for (;;) { 5057 printf("Enter the ID ( Type I for list of partition IDs ) : "); 5058 ext_read_input(buf); 5059 len = strlen(buf); 5060 5061 if ((len < 2) || (len > (FDISK_MAX_VALID_PART_ID_DIGITS + 1))) { 5062 printf("Invalid partition ID\n"); 5063 continue; 5064 } 5065 5066 if ((len == 2) && (toupper(buf[0]) == 'I')) { 5067 ext_print_part_types(); 5068 continue; 5069 } 5070 5071 /* Check if there is a non-digit in the input */ 5072 for (i = 0; i < len-1; i++) { 5073 if (!isdigit(buf[i])) { 5074 printf("Invalid partition ID\n"); 5075 break; 5076 } 5077 } 5078 5079 if (i < len - 1) { 5080 continue; 5081 } 5082 5083 /* Check if the (now) valid number is greater than the limit */ 5084 if ((id = atoi(buf)) > FDISK_MAX_VALID_PART_ID) { 5085 printf("Invalid partition ID\n"); 5086 continue; 5087 } 5088 5089 *partid = (uchar_t)id; 5090 5091 /* Disallow multiple extended partitions */ 5092 if (fdisk_is_dos_extended(*partid)) { 5093 printf("Multiple extended partitions not allowed\n"); 5094 continue; 5095 } 5096 5097 /* Disallow EFI partitions within extended partition */ 5098 if (*partid == EFI_PMBR) { 5099 printf("EFI partitions within an extended partition" 5100 " is not allowed\n"); 5101 continue; 5102 } 5103 5104 return; /* Valid partition ID is in partid */ 5105 } 5106 } 5107 5108 static void 5109 delete_logical_drive() 5110 { 5111 int pno; 5112 5113 if (!fdisk_get_logical_drive_count(epp)) { 5114 printf("\nNo logical drives defined.\n"); 5115 return; 5116 } 5117 5118 printf("\n"); 5119 ext_read_valid_part_num(&pno); 5120 fdisk_delete_logical_drive(epp, pno); 5121 printf("Partition %d deleted\n", pno); 5122 } 5123 5124 static int 5125 ext_read_valid_partition_start(uint32_t *begsec) 5126 { 5127 char buf[80]; 5128 int ret, len, i; 5129 uint32_t begcyl; 5130 uint32_t first_free_cyl; 5131 uint32_t first_free_sec; 5132 5133 ret = fdisk_ext_find_first_free_sec(epp, &first_free_sec); 5134 if (ret != FDISK_SUCCESS) { 5135 return (ret); 5136 } 5137 5138 first_free_cyl = FDISK_SECT_TO_CYL(epp, first_free_sec); 5139 for (;;) { 5140 printf("Enter the beginning cylinder (Default - %d) : ", 5141 first_free_cyl); 5142 ext_read_input(buf); 5143 len = strlen(buf); 5144 if (len == 1) { /* User accepted the default value */ 5145 *begsec = first_free_sec; 5146 return (FDISK_SUCCESS); 5147 } 5148 5149 if (len > (FDISK_MAX_VALID_CYL_NUM_DIGITS + 1)) { 5150 printf("Input too long\n"); 5151 printf("Invalid beginning cylinder number\n"); 5152 continue; 5153 } 5154 /* Check if there is a non-digit in the input */ 5155 for (i = 0; i < len - 1; i++) { 5156 if (!isdigit(buf[i])) { 5157 printf("Invalid beginning cylinder number\n"); 5158 break; 5159 } 5160 } 5161 if (i < len - 1) { 5162 continue; 5163 } 5164 5165 begcyl = atoi(buf); 5166 ret = fdisk_ext_validate_part_start(epp, begcyl, begsec); 5167 switch (ret) { 5168 case FDISK_SUCCESS: 5169 /* 5170 * Success. 5171 * Valid beginning sector is in begsec 5172 */ 5173 break; 5174 5175 case FDISK_EOVERLAP: 5176 printf("Partition boundary overlaps with "); 5177 printf("existing partitions\n"); 5178 printf("Invalid beginning cylinder number\n"); 5179 continue; 5180 5181 case FDISK_EOOBOUND: 5182 printf("Cylinder boundary beyond the limits\n"); 5183 printf("Invalid beginning cylinder number\n"); 5184 continue; 5185 } 5186 return (FDISK_SUCCESS); 5187 } 5188 } 5189 5190 /* 5191 * Algorithm : 5192 * 1. Check if the first character is a + 5193 * a) If yes, check if the last character is 'k', 'm' or 'g' 5194 * 2. If not, check if there are any non-digits 5195 * 3. Check for the length of the numeral string 5196 * 4. atoi the numeral string 5197 * 5. In case of data entered in KB, MB or GB, convert it to number of cylinders 5198 * a) Adjust size to be cylinder boundary aligned 5199 * 6. If size specifies is zero, flag error 5200 * 7. Check if the size is less than 1 cylinder 5201 * a) If yes, default the size FDISK_MIN_PART_SIZE 5202 * b) If no, Check if the size is within endcyl - begcyl 5203 */ 5204 static void 5205 ext_read_valid_partition_size(uint32_t begsec, uint32_t *endsec) 5206 { 5207 char buf[80]; 5208 uint32_t tempcyl; 5209 uint32_t last_free_sec; 5210 uint32_t last_free_cyl; 5211 int i, len, ch, mbgb = 0, scale = FDISK_SECTS_PER_CYL(epp); 5212 uint64_t size = 0; 5213 int copy_len; 5214 char numbuf[FDISK_MAX_VALID_CYL_NUM_DIGITS + 1]; 5215 int sectsize = fdisk_get_disk_geom(epp, PHYSGEOM, SSIZE); 5216 uint32_t remdr, spc, poss_end; 5217 5218 if (sectsize == EINVAL) { 5219 fprintf(stderr, "Unsupported geometry statistics.\n"); 5220 exit(1); 5221 } 5222 5223 last_free_sec = fdisk_ext_find_last_free_sec(epp, begsec); 5224 last_free_cyl = FDISK_SECT_TO_CYL(epp, last_free_sec); 5225 5226 for (;;) { 5227 printf("Enter the size in cylinders (Default End Cylinder -"); 5228 printf(" %u)\n", last_free_cyl); 5229 printf("Type +<size>K, +<size>M or +<size>G to enter size in"); 5230 printf("KB, MB or GB : "); 5231 ext_read_input(buf); 5232 len = strlen(buf); 5233 mbgb = 0; 5234 scale = FDISK_SECTS_PER_CYL(epp); 5235 5236 if (len == 1) { /* User accepted the default value */ 5237 *endsec = last_free_sec; 5238 return; 5239 } 5240 5241 copy_len = len - 1; 5242 5243 if ((buf[0] == '+') && (isdigit(buf[1]))) { 5244 copy_len--; 5245 if ((ch = toupper(buf[len - 2])) == 'B') { 5246 ch = toupper(buf[len - 3]); 5247 copy_len--; 5248 } 5249 5250 if (!((ch == 'K') || (ch == 'M') || (ch == 'G'))) { 5251 printf("Invalid partition size\n"); 5252 continue; 5253 } 5254 5255 copy_len--; 5256 mbgb = 1; 5257 scale = ((ch == 'K') ? FDISK_KB : 5258 ((ch == 'M') ? FDISK_MB : FDISK_GB)); 5259 } 5260 5261 if (copy_len > FDISK_MAX_VALID_CYL_NUM_DIGITS) { 5262 printf("Input too long\n"); 5263 printf("Invalid partition size\n"); 5264 continue; 5265 } 5266 5267 strncpy(numbuf, &buf[mbgb], copy_len); 5268 numbuf[copy_len] = '\0'; 5269 5270 for (i = mbgb; i < copy_len + mbgb; i++) { 5271 if (!isdigit(buf[i])) { 5272 break; 5273 } 5274 } 5275 5276 if (i < copy_len + mbgb) { 5277 printf("Invalid partition size\n"); 5278 continue; 5279 } 5280 5281 size = (atoll(numbuf) * (scale)); 5282 5283 if (size == 0) { 5284 printf("Zero size is invalid\n"); 5285 printf("Invalid partition size\n"); 5286 continue; 5287 } 5288 5289 if (mbgb) { 5290 size /= sectsize; 5291 } 5292 5293 if (size > (last_free_sec - begsec + 1)) { 5294 printf("Cylinder boundary beyond the limits"); 5295 printf(" or overlaps with existing"); 5296 printf(" partitions\n"); 5297 printf("Invalid partition size\n"); 5298 continue; 5299 } 5300 5301 /* 5302 * Adjust the ending sector such that there are no partial 5303 * cylinders allocated. But at the same time, make sure it 5304 * doesn't over shoot boundaries. 5305 */ 5306 spc = FDISK_SECTS_PER_CYL(epp); 5307 poss_end = begsec + size - 1; 5308 if (remdr = (poss_end % spc)) { 5309 poss_end += spc - remdr - 1; 5310 } 5311 *endsec = (poss_end > last_free_sec) ? last_free_sec : 5312 poss_end; 5313 5314 return; 5315 } 5316 } 5317 5318 /* 5319 * ALGORITHM: 5320 * 1. Get the starting and ending sectors/cylinder of the extended partition. 5321 * 2. Keep track of the first free sector/cylinder 5322 * 3. Allow the user to specify the beginning cylinder of the new partition 5323 * 4. Check for the validity of the entered data 5324 * a) If it is non-numeric 5325 * b) If it is beyond the extended partition limits 5326 * c) If it overlaps with the current logical drives 5327 * 5. Allow the user to specify the size in cylinders/ human readable form 5328 * 6. Check for the validity of the entered data 5329 * a) If it is non-numeric 5330 * b) If it is beyond the extended partition limits 5331 * c) If it overlaps with the current logical drives 5332 * d) If it is a number lesser than the starting cylinder 5333 * 7. Request partition ID for the new partition. 5334 * 8. Update the first free cylinder available 5335 * 9. Display Success message 5336 */ 5337 5338 static void 5339 add_logical_drive() 5340 { 5341 uint32_t begsec, endsec; 5342 uchar_t partid; 5343 char buf[80]; 5344 int rval; 5345 5346 if (fdisk_get_logical_drive_count(epp) >= MAX_EXT_PARTS) { 5347 printf("\nNumber of logical drives exceeds limit of %d.\n", 5348 MAX_EXT_PARTS); 5349 printf("Command did not succeed. Press enter to continue\n"); 5350 ext_read_input(buf); 5351 return; 5352 } 5353 5354 printf("\n"); 5355 rval = ext_read_valid_partition_start(&begsec); 5356 switch (rval) { 5357 case FDISK_SUCCESS: 5358 break; 5359 5360 case FDISK_EOOBOUND: 5361 printf("\nNo space left in the extended partition\n"); 5362 printf("Press enter to continue\n"); 5363 ext_read_input(buf); 5364 return; 5365 } 5366 5367 ext_read_valid_partition_size(begsec, &endsec); 5368 ext_read_valid_part_id(&partid); 5369 fdisk_add_logical_drive(epp, begsec, endsec, partid); 5370 5371 printf("New partition with ID %d added\n", partid); 5372 } 5373 5374 static void 5375 ext_change_logical_drive_id() 5376 { 5377 int pno; 5378 uchar_t partid; 5379 5380 if (!fdisk_get_logical_drive_count(epp)) { 5381 printf("\nNo logical drives defined.\n"); 5382 return; 5383 } 5384 5385 printf("\n"); 5386 ext_read_valid_part_num(&pno); 5387 ext_read_valid_part_id(&partid); 5388 fdisk_change_logical_drive_id(epp, pno, partid); 5389 5390 printf("Partition ID of partition %d changed to %d\n", pno, partid); 5391 } 5392 5393 #ifdef DEBUG 5394 static void 5395 ext_print_logdrive_layout_debug() 5396 { 5397 int pno; 5398 char namebuff[255]; 5399 logical_drive_t *head = fdisk_get_ld_head(epp); 5400 logical_drive_t *temp; 5401 5402 if (!fdisk_get_logical_drive_count(epp)) { 5403 printf("\nNo logical drives defined.\n"); 5404 return; 5405 } 5406 5407 printf("\n\n"); 5408 puts("# start block end block abs start abs end OSType"); 5409 for (temp = head, pno = 5; temp != NULL; temp = temp->next, pno++) { 5410 /* Print the logical drive details */ 5411 id_to_name(temp->parts[0].systid, namebuff); 5412 printf("%d: %.10u %.10u %.10u %.10u", 5413 pno, 5414 LE_32(temp->parts[0].relsect), 5415 LE_32(temp->parts[0].numsect), 5416 temp->abs_secnum, 5417 temp->abs_secnum + temp->numsect - 1 + 5418 MAX_LOGDRIVE_OFFSET); 5419 printf(" %s\n", namebuff); 5420 /* 5421 * Print the second entry in the EBR which is information 5422 * about the location and the size of the next extended 5423 * partition. 5424 */ 5425 id_to_name(temp->parts[1].systid, namebuff); 5426 printf("%d: %.10u %.10u %.10s %.10s", 5427 pno, 5428 LE_32(temp->parts[1].relsect), 5429 LE_32(temp->parts[1].numsect), 5430 " ", " "); 5431 printf(" %s\n", namebuff); 5432 } 5433 } 5434 #endif 5435 5436 static void 5437 ext_print_logical_drive_layout() 5438 { 5439 int sysid; 5440 unsigned int startcyl, endcyl, length, percent, remainder; 5441 logical_drive_t *temp; 5442 uint32_t part_start; 5443 struct ipart *fpart; 5444 char namebuff[255]; 5445 int numcyl = fdisk_get_disk_geom(epp, PHYSGEOM, NCYL); 5446 int pno; 5447 5448 if (numcyl == EINVAL) { 5449 fprintf(stderr, "Unsupported geometry statistics.\n"); 5450 exit(1); 5451 } 5452 5453 if (!fdisk_get_logical_drive_count(epp)) { 5454 printf("\nNo logical drives defined.\n"); 5455 return; 5456 } 5457 5458 printf("\n"); 5459 printf("Number of cylinders in disk : %u\n", numcyl); 5460 printf("Beginning cylinder of extended partition : %u\n", 5461 fdisk_get_ext_beg_cyl(epp)); 5462 printf("Ending cylinder of extended partition : %u\n", 5463 fdisk_get_ext_end_cyl(epp)); 5464 printf("\n"); 5465 printf("Part# StartCyl EndCyl Length %% " 5466 "Part ID (Type)\n"); 5467 printf("===== ======== ======== ======= ===" 5468 " ==============\n"); 5469 for (temp = fdisk_get_ld_head(epp), pno = 5; temp != NULL; 5470 temp = temp->next, pno++) { 5471 /* Print the logical drive details */ 5472 fpart = &temp->parts[0]; 5473 sysid = fpart->systid; 5474 /* 5475 * Check if partition id 0x82 is Solaris 5476 * or a Linux swap. Print the string 5477 * accordingly. 5478 */ 5479 if (sysid == SUNIXOS) { 5480 part_start = temp->abs_secnum + 5481 temp->logdrive_offset; 5482 if (fdisk_is_linux_swap(epp, part_start, 5483 NULL) == 0) 5484 strcpy(namebuff, LINSWAPstr); 5485 else 5486 strcpy(namebuff, SUstr); 5487 } else { 5488 id_to_name(sysid, namebuff); 5489 } 5490 startcyl = temp->begcyl; 5491 endcyl = temp->endcyl; 5492 if (startcyl == endcyl) { 5493 length = 1; 5494 } else { 5495 length = endcyl - startcyl + 1; 5496 } 5497 percent = length * 100 / numcyl; 5498 if ((remainder = (length * 100 % numcyl)) != 0) { 5499 if ((remainder * 100 / numcyl) > 50) { 5500 /* round up */ 5501 percent++; 5502 } 5503 /* Else leave the percent as is since it's already */ 5504 /* rounded down */ 5505 } 5506 if (percent > 100) { 5507 percent = 100; 5508 } 5509 printf("%-5d %-8u %-8u %-7u %-3d %-3d (%-.28s)\n", 5510 pno, startcyl, endcyl, length, percent, sysid, namebuff); 5511 } 5512 #ifdef DEBUG 5513 ext_print_logdrive_layout_debug(); 5514 #endif 5515 printf("\n"); 5516 } 5517 5518 static void 5519 ext_print_help_menu() 5520 { 5521 printf("\n"); 5522 printf("a Add a logical drive\n"); 5523 printf("d Delete a logical drive\n"); 5524 printf("h Print this help menu\n"); 5525 printf("i Change the id of the logical drive\n"); 5526 printf("p Print the logical drive layout\n"); 5527 printf("r Return to the main fdisk menu\n"); 5528 printf(" (To commit or cancel the changes)\n"); 5529 printf("\n"); 5530 } 5531 5532 static void 5533 ext_part_menu() 5534 { 5535 char buf[80]; 5536 uchar_t *bbsigp; 5537 static int bbsig_disp_flag = 1; 5538 5539 int i; 5540 5541 printf(CLR_SCR); 5542 5543 if (fdisk_corrupt_logical_drives(epp)) { 5544 printf("One or more logical drives seem to be corrupt.\n"); 5545 printf("Displaying only sane logical drives.\n"); 5546 } 5547 5548 if (bbsig_disp_flag && fdisk_invalid_bb_sig(epp, &bbsigp)) { 5549 printf("The following logical drives have a wrong boot block" 5550 " signature :\n\n"); 5551 for (i = 0; bbsigp[i]; i++) { 5552 printf("%d ", bbsigp[i]); 5553 } 5554 printf("\n\n"); 5555 printf("They will be corrected when you choose to commit\n"); 5556 bbsig_disp_flag = 0; 5557 } 5558 5559 printf("Extended partition menu\n"); 5560 5561 for (;;) { 5562 printf("\nEnter Command (Type h for help) : "); 5563 if ((ext_read_options(buf)) < 0) { 5564 printf("\nCommand Options : \n"); 5565 ext_print_help_menu(); 5566 continue; 5567 } 5568 switch (buf[0]) { 5569 case 'a': 5570 add_logical_drive(); 5571 break; 5572 case 'd': 5573 delete_logical_drive(); 5574 break; 5575 case 'h': 5576 ext_print_help_menu(); 5577 break; 5578 case 'i': 5579 ext_change_logical_drive_id(); 5580 break; 5581 case 'p': 5582 ext_print_logical_drive_layout(); 5583 break; 5584 case 'r': 5585 printf(CLR_SCR); 5586 return; 5587 default : /* NOTREACHED */ 5588 break; 5589 } 5590 } 5591 } 5592 #endif 5593
Indexes created Thu Nov 26 20:23:21 UTC 2009
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