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/* $OpenBSD: part.c,v 1.77 2017/03/26 00:22:49 sobrado Exp $ */ |
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/* |
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* Copyright (c) 1997 Tobias Weingartner |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/disklabel.h> |
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#include <err.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <uuid.h> |
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#include "disk.h" |
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#include "misc.h" |
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#include "part.h" |
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int PRT_check_chs(struct prt *partn); |
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static const struct part_type { |
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int type; |
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char sname[14]; |
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char guid[37]; |
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} part_types[] = { |
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{ 0x00, "unused ", "00000000-0000-0000-0000-000000000000" }, |
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{ 0x01, "FAT12 ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x02, "XENIX / "}, /* XENIX / filesystem */ |
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{ 0x03, "XENIX /usr "}, /* XENIX /usr filesystem */ |
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{ 0x04, "FAT16S ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x05, "Extended DOS"}, /* Extended DOS */ |
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{ 0x06, "FAT16B ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x07, "NTFS ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x08, "AIX fs "}, /* AIX filesystem */ |
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{ 0x09, "AIX/Coherent"}, /* AIX boot partition or Coherent */ |
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{ 0x0A, "OS/2 Bootmgr"}, /* OS/2 Boot Manager or OPUS */ |
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{ 0x0B, "FAT32 ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x0C, "FAT32L ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x0E, "FAT16L ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x0F, "Extended LBA"}, /* Extended DOS LBA-mapped */ |
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{ 0x10, "OPUS "}, /* OPUS */ |
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{ 0x11, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x12, "Compaq Diag."}, /* Compaq Diagnostics */ |
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{ 0x14, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x16, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x17, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x18, "AST swap "}, /* AST Windows swapfile */ |
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{ 0x19, "Willowtech "}, /* Willowtech Photon coS */ |
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{ 0x1C, "ThinkPad Rec", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" }, |
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{ 0x24, "NEC DOS "}, /* NEC DOS */ |
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{ 0x27, "Win Recovery", "de94bba4-06d1-4d40-a16a-bfd50179d6ac" }, |
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{ 0x20, "Willowsoft "}, /* Willowsoft OFS1 */ |
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{ 0x38, "Theos "}, /* Theos */ |
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{ 0x39, "Plan 9 "}, /* Plan 9 */ |
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{ 0x40, "VENIX 286 "}, /* VENIX 286 or LynxOS */ |
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{ 0x41, "Lin/Minux DR"}, /* Linux/MINIX (sharing disk with DRDOS) or Personal RISC boot */ |
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{ 0x42, "LinuxSwap DR", "af9b60a0-1431-4f62-bc68-3311714a69ad" }, |
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{ 0x43, "Linux DR "}, /* Linux native (sharing disk with DRDOS) */ |
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{ 0x4D, "QNX 4.2 Pri "}, /* QNX 4.2 Primary */ |
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{ 0x4E, "QNX 4.2 Sec "}, /* QNX 4.2 Secondary */ |
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{ 0x4F, "QNX 4.2 Ter "}, /* QNX 4.2 Tertiary */ |
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{ 0x50, "DM "}, /* DM (disk manager) */ |
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{ 0x51, "DM "}, /* DM6 Aux1 (or Novell) */ |
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{ 0x52, "CP/M or SysV"}, /* CP/M or Microport SysV/AT */ |
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{ 0x53, "DM "}, /* DM6 Aux3 */ |
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{ 0x54, "Ontrack "}, /* Ontrack */ |
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{ 0x55, "EZ-Drive "}, /* EZ-Drive (disk manager) */ |
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{ 0x56, "Golden Bow "}, /* Golden Bow (disk manager) */ |
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{ 0x5C, "Priam "}, /* Priam Edisk (disk manager) */ |
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{ 0x61, "SpeedStor "}, /* SpeedStor */ |
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{ 0x63, "ISC, HURD, *"}, /* ISC, System V/386, GNU HURD or Mach */ |
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{ 0x64, "NetWare 2.xx"}, /* Novell NetWare 2.xx */ |
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{ 0x65, "NetWare 3.xx"}, /* Novell NetWare 3.xx */ |
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{ 0x66, "NetWare 386 "}, /* Novell 386 NetWare */ |
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{ 0x67, "Novell "}, /* Novell */ |
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{ 0x68, "Novell "}, /* Novell */ |
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{ 0x69, "Novell "}, /* Novell */ |
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{ 0x70, "DiskSecure "}, /* DiskSecure Multi-Boot */ |
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{ 0x75, "PCIX "}, /* PCIX */ |
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{ 0x7f, "ChromeKernel", "fe3a2a5d-4f32-41a7-b725-accc3285a309" }, |
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{ 0x80, "Minix (old) "}, /* Minix 1.1 ... 1.4a */ |
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{ 0x81, "Minix (new) "}, /* Minix 1.4b ... 1.5.10 */ |
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{ 0x82, "Linux swap ", "0657fd6d-a4ab-43c4-84e5-0933c84b4f4f" }, |
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{ 0x83, "Linux files*", "0fc63daf-8483-4772-8e79-3d69d8477de4" }, |
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{ 0x84, "OS/2 hidden "}, /* OS/2 hidden C: drive */ |
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{ 0x85, "Linux ext. "}, /* Linux extended */ |
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{ 0x86, "NT FAT VS "}, /* NT FAT volume set */ |
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{ 0x87, "NTFS VS "}, /* NTFS volume set or HPFS mirrored */ |
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{ 0x8E, "Linux LVM ", "e6d6d379-f507-44c2-a23c-238f2a3df928" }, |
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{ 0x93, "Amoeba FS "}, /* Amoeba filesystem */ |
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{ 0x94, "Amoeba BBT "}, /* Amoeba bad block table */ |
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{ 0x99, "Mylex "}, /* Mylex EISA SCSI */ |
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{ 0x9F, "BSDI "}, /* BSDI BSD/OS */ |
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{ 0xA0, "NotebookSave"}, /* Phoenix NoteBIOS save-to-disk */ |
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{ 0xA5, "FreeBSD ", "516e7cb4-6ecf-11d6-8ff8-00022d09712b" }, |
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{ 0xA6, "OpenBSD ", "824cc7a0-36a8-11e3-890a-952519ad3f61" }, |
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{ 0xA7, "NEXTSTEP "}, /* NEXTSTEP */ |
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{ 0xA8, "MacOS X ", "55465300-0000-11aa-aa11-00306543ecac" }, |
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{ 0xA9, "NetBSD ", "516e7cb4-6ecf-11d6-8ff8-00022d09712b" }, |
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{ 0xAB, "MacOS X boot", "426f6f74-0000-11aa-aa11-00306543ecac" }, |
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{ 0xAF, "MacOS X HFS+", "48465300-0000-11aa-aa11-00306543ecac" }, |
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{ 0xB7, "BSDI filesy*"}, /* BSDI BSD/386 filesystem */ |
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{ 0xB8, "BSDI swap "}, /* BSDI BSD/386 swap */ |
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{ 0xBF, "Solaris ", "6a85cf4d-1dd2-11b2-99a6-080020736631" }, |
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{ 0xC0, "CTOS "}, /* CTOS */ |
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{ 0xC1, "DRDOSs FAT12"}, /* DRDOS/sec (FAT-12) */ |
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{ 0xC4, "DRDOSs < 32M"}, /* DRDOS/sec (FAT-16, < 32M) */ |
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{ 0xC6, "DRDOSs >=32M"}, /* DRDOS/sec (FAT-16, >= 32M) */ |
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{ 0xC7, "HPFS Disbled"}, /* Syrinx (Cyrnix?) or HPFS disabled */ |
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{ 0xDB, "CPM/C.DOS/C*"}, /* Concurrent CPM or C.DOS or CTOS */ |
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{ 0xDE, "Dell Maint "}, /* Dell maintenance partition */ |
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{ 0xE1, "SpeedStor "}, /* DOS access or SpeedStor 12-bit FAT extended partition */ |
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{ 0xE3, "SpeedStor "}, /* DOS R/O or SpeedStor or Storage Dimensions */ |
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{ 0xE4, "SpeedStor "}, /* SpeedStor 16-bit FAT extended partition < 1024 cyl. */ |
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{ 0xEB, "BeOS/i386 ", "42465331-3ba3-10f1-802a-4861696b7521" }, |
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{ 0xEE, "EFI GPT "}, /* EFI Protective Partition */ |
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{ 0xEF, "EFI Sys ", "c12a7328-f81f-11d2-ba4b-00a0c93ec93b" }, |
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{ 0xF1, "SpeedStor "}, /* SpeedStor or Storage Dimensions */ |
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{ 0xF2, "DOS 3.3+ Sec"}, /* DOS 3.3+ Secondary */ |
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{ 0xF4, "SpeedStor "}, /* SpeedStor >1024 cyl. or LANstep or IBM PS/2 IML */ |
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{ 0xFF, "Xenix BBT "}, /* Xenix Bad Block Table */ |
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}; |
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void |
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PRT_printall(void) |
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{ |
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int i, idrows; |
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idrows = ((sizeof(part_types)/sizeof(struct part_type))+3)/4; |
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printf("Choose from the following Partition id values:\n"); |
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for (i = 0; i < idrows; i++) { |
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printf("%02X %s %02X %s %02X %s", |
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part_types[i].type, part_types[i].sname, |
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part_types[i+idrows].type, part_types[i+idrows].sname, |
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part_types[i+idrows*2].type, part_types[i+idrows*2].sname); |
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if ((i+idrows*3) < (sizeof(part_types)/sizeof(struct part_type))) { |
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printf(" %02X %s\n", |
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part_types[i+idrows*3].type, |
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part_types[i+idrows*3].sname); |
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} else |
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printf( "\n" ); |
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} |
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} |
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const char * |
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PRT_ascii_id(int id) |
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{ |
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static char unknown[] = "<Unknown ID>"; |
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int i; |
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for (i = 0; i < sizeof(part_types)/sizeof(struct part_type); i++) { |
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if (part_types[i].type == id) |
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return (part_types[i].sname); |
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} |
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return (unknown); |
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} |
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void |
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PRT_parse(struct dos_partition *prt, off_t offset, off_t reloff, |
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struct prt *partn) |
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{ |
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off_t off; |
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u_int32_t t; |
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partn->flag = prt->dp_flag; |
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partn->shead = prt->dp_shd; |
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partn->ssect = (prt->dp_ssect) & 0x3F; |
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partn->scyl = ((prt->dp_ssect << 2) & 0xFF00) | prt->dp_scyl; |
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partn->id = prt->dp_typ; |
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partn->ehead = prt->dp_ehd; |
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partn->esect = (prt->dp_esect) & 0x3F; |
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partn->ecyl = ((prt->dp_esect << 2) & 0xFF00) | prt->dp_ecyl; |
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if ((partn->id == DOSPTYP_EXTEND) || (partn->id == DOSPTYP_EXTENDL)) |
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off = reloff; |
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else |
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off = offset; |
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#if 0 /* XXX */ |
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partn->bs = letoh32(prt->dp_start) + off; |
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partn->ns = letoh32(prt->dp_size); |
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#else |
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memcpy(&t, &prt->dp_start, sizeof(u_int32_t)); |
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partn->bs = letoh32(t) + off; |
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memcpy(&t, &prt->dp_size, sizeof(u_int32_t)); |
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partn->ns = letoh32(t); |
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#endif |
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PRT_fix_CHS(partn); |
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} |
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int |
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PRT_check_chs(struct prt *partn) |
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{ |
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if ( (partn->shead > 255) || |
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(partn->ssect >63) || |
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(partn->scyl > 1023) || |
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(partn->ehead >255) || |
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(partn->esect >63) || |
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(partn->ecyl > 1023) ) |
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{ |
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return (0); |
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} |
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return (1); |
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} |
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void |
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PRT_make(struct prt *partn, off_t offset, off_t reloff, |
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struct dos_partition *prt) |
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{ |
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off_t off; |
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u_int32_t ecsave, scsave; |
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u_int64_t t; |
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/* Save (and restore below) cylinder info we may fiddle with. */ |
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scsave = partn->scyl; |
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ecsave = partn->ecyl; |
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if ((partn->scyl > 1023) || (partn->ecyl > 1023)) { |
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partn->scyl = (partn->scyl > 1023)? 1023: partn->scyl; |
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partn->ecyl = (partn->ecyl > 1023)? 1023: partn->ecyl; |
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} |
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if ((partn->id == DOSPTYP_EXTEND) || (partn->id == DOSPTYP_EXTENDL)) |
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off = reloff; |
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else |
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off = offset; |
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if (PRT_check_chs(partn)) { |
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prt->dp_shd = partn->shead & 0xFF; |
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prt->dp_ssect = (partn->ssect & 0x3F) | |
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((partn->scyl & 0x300) >> 2); |
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prt->dp_scyl = partn->scyl & 0xFF; |
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prt->dp_ehd = partn->ehead & 0xFF; |
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prt->dp_esect = (partn->esect & 0x3F) | |
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((partn->ecyl & 0x300) >> 2); |
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prt->dp_ecyl = partn->ecyl & 0xFF; |
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} else { |
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memset(prt, 0xFF, sizeof(*prt)); |
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} |
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prt->dp_flag = partn->flag & 0xFF; |
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prt->dp_typ = partn->id & 0xFF; |
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t = htole64(partn->bs - off); |
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memcpy(&prt->dp_start, &t, sizeof(u_int32_t)); |
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t = htole64(partn->ns); |
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memcpy(&prt->dp_size, &t, sizeof(u_int32_t)); |
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partn->scyl = scsave; |
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partn->ecyl = ecsave; |
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} |
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void |
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PRT_print(int num, struct prt *partn, char *units) |
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{ |
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const int secsize = unit_types[SECTORS].conversion; |
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double size; |
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int i; |
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i = unit_lookup(units); |
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if (partn == NULL) { |
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printf(" Starting Ending " |
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" LBA Info:\n"); |
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printf(" #: id C H S - C H S " |
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"[ start: size ]\n"); |
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printf("---------------------------------------" |
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"----------------------------------------\n"); |
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} else { |
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size = ((double)partn->ns * secsize) / unit_types[i].conversion; |
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printf("%c%1d: %.2X %6u %3u %3u - %6u %3u %3u " |
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"[%12llu:%12.0f%s] %s\n", |
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(partn->flag == DOSACTIVE)?'*':' ', |
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num, partn->id, |
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partn->scyl, partn->shead, partn->ssect, |
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partn->ecyl, partn->ehead, partn->esect, |
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partn->bs, size, |
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unit_types[i].abbr, |
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PRT_ascii_id(partn->id)); |
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} |
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} |
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|
300 |
|
|
void |
301 |
|
|
PRT_fix_BN(struct prt *part, int pn) |
302 |
|
|
{ |
303 |
|
|
u_int32_t spt, tpc, spc; |
304 |
|
|
u_int32_t start = 0; |
305 |
|
|
u_int32_t end = 0; |
306 |
|
|
|
307 |
|
|
/* Zero out entry if not used */ |
308 |
|
|
if (part->id == DOSPTYP_UNUSED) { |
309 |
|
|
memset(part, 0, sizeof(*part)); |
310 |
|
|
return; |
311 |
|
|
} |
312 |
|
|
|
313 |
|
|
/* Disk geometry. */ |
314 |
|
|
spt = disk.sectors; |
315 |
|
|
tpc = disk.heads; |
316 |
|
|
spc = spt * tpc; |
317 |
|
|
|
318 |
|
|
start += part->scyl * spc; |
319 |
|
|
start += part->shead * spt; |
320 |
|
|
start += part->ssect - 1; |
321 |
|
|
|
322 |
|
|
end += part->ecyl * spc; |
323 |
|
|
end += part->ehead * spt; |
324 |
|
|
end += part->esect - 1; |
325 |
|
|
|
326 |
|
|
/* XXX - Should handle this... */ |
327 |
|
|
if (start > end) |
328 |
|
|
warnx("Start of partition #%d after end!", pn); |
329 |
|
|
|
330 |
|
|
part->bs = start; |
331 |
|
|
part->ns = (end - start) + 1; |
332 |
|
|
} |
333 |
|
|
|
334 |
|
|
void |
335 |
|
|
PRT_fix_CHS(struct prt *part) |
336 |
|
|
{ |
337 |
|
|
u_int32_t spt, tpc, spc; |
338 |
|
|
u_int32_t start, end, size; |
339 |
|
|
u_int32_t cyl, head, sect; |
340 |
|
|
|
341 |
|
|
/* Zero out entry if not used */ |
342 |
|
|
if (part->id == DOSPTYP_UNUSED || part->ns == 0) { |
343 |
|
|
memset(part, 0, sizeof(*part)); |
344 |
|
|
return; |
345 |
|
|
} |
346 |
|
|
|
347 |
|
|
/* Disk geometry. */ |
348 |
|
|
spt = disk.sectors; |
349 |
|
|
tpc = disk.heads; |
350 |
|
|
spc = spt * tpc; |
351 |
|
|
|
352 |
|
|
start = part->bs; |
353 |
|
|
size = part->ns; |
354 |
|
|
end = (start + size) - 1; |
355 |
|
|
|
356 |
|
|
/* Figure out starting CHS values */ |
357 |
|
|
cyl = (start / spc); start -= (cyl * spc); |
358 |
|
|
head = (start / spt); start -= (head * spt); |
359 |
|
|
sect = (start + 1); |
360 |
|
|
|
361 |
|
|
part->scyl = cyl; |
362 |
|
|
part->shead = head; |
363 |
|
|
part->ssect = sect; |
364 |
|
|
|
365 |
|
|
/* Figure out ending CHS values */ |
366 |
|
|
cyl = (end / spc); end -= (cyl * spc); |
367 |
|
|
head = (end / spt); end -= (head * spt); |
368 |
|
|
sect = (end + 1); |
369 |
|
|
|
370 |
|
|
part->ecyl = cyl; |
371 |
|
|
part->ehead = head; |
372 |
|
|
part->esect = sect; |
373 |
|
|
} |
374 |
|
|
|
375 |
|
|
char * |
376 |
|
|
PRT_uuid_to_typename(struct uuid *uuid) |
377 |
|
|
{ |
378 |
|
|
static char partition_type[37]; /* Room for a GUID if needed. */ |
379 |
|
|
char *uuidstr = NULL; |
380 |
|
|
int i, entries, status; |
381 |
|
|
|
382 |
|
|
memset(partition_type, 0, sizeof(partition_type)); |
383 |
|
|
|
384 |
|
|
uuid_to_string(uuid, &uuidstr, &status); |
385 |
|
|
if (status != uuid_s_ok) |
386 |
|
|
goto done; |
387 |
|
|
|
388 |
|
|
entries = sizeof(part_types) / sizeof(struct part_type); |
389 |
|
|
|
390 |
|
|
for (i = 0; i < entries; i++) { |
391 |
|
|
if (memcmp(part_types[i].guid, uuidstr, |
392 |
|
|
sizeof(part_types[i].guid)) == 0) |
393 |
|
|
break; |
394 |
|
|
} |
395 |
|
|
|
396 |
|
|
if (i < entries) |
397 |
|
|
strlcpy(partition_type, part_types[i].sname, |
398 |
|
|
sizeof(partition_type)); |
399 |
|
|
else |
400 |
|
|
strlcpy(partition_type, uuidstr, sizeof(partition_type)); |
401 |
|
|
|
402 |
|
|
done: |
403 |
|
|
free(uuidstr); |
404 |
|
|
|
405 |
|
|
return (partition_type); |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
int |
409 |
|
|
PRT_uuid_to_type(struct uuid *uuid) |
410 |
|
|
{ |
411 |
|
|
char *uuidstr; |
412 |
|
|
int entries, i, status, type; |
413 |
|
|
|
414 |
|
|
type = 0; |
415 |
|
|
|
416 |
|
|
uuid_to_string(uuid, &uuidstr, &status); |
417 |
|
|
if (status != uuid_s_ok) |
418 |
|
|
goto done; |
419 |
|
|
|
420 |
|
|
entries = sizeof(part_types) / sizeof(struct part_type); |
421 |
|
|
for (i = 0; i < entries; i++) { |
422 |
|
|
if (memcmp(part_types[i].guid, uuidstr, |
423 |
|
|
sizeof(part_types[i].guid)) == 0) { |
424 |
|
|
type = part_types[i].type; |
425 |
|
|
break; |
426 |
|
|
} |
427 |
|
|
} |
428 |
|
|
|
429 |
|
|
done: |
430 |
|
|
free(uuidstr); |
431 |
|
|
return (type); |
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
struct uuid * |
435 |
|
|
PRT_type_to_uuid(int type) |
436 |
|
|
{ |
437 |
|
|
static struct uuid guid; |
438 |
|
|
int i, entries, status = uuid_s_ok; |
439 |
|
|
|
440 |
|
|
memset(&guid, 0, sizeof(guid)); |
441 |
|
|
|
442 |
|
|
entries = sizeof(part_types) / sizeof(struct part_type); |
443 |
|
|
|
444 |
|
|
for (i = 0; i < entries; i++) { |
445 |
|
|
if (part_types[i].type == type) |
446 |
|
|
break; |
447 |
|
|
} |
448 |
|
|
if (i < entries) |
449 |
|
|
uuid_from_string(part_types[i].guid, &guid, &status); |
450 |
|
|
if (i == entries || status != uuid_s_ok) |
451 |
|
|
uuid_from_string(part_types[0].guid, &guid, &status); |
452 |
|
|
|
453 |
|
|
return (&guid); |
454 |
|
|
} |