diff options
Diffstat (limited to 'gptsync')
| -rw-r--r-- | gptsync/.gitignore | 2 | ||||
| -rw-r--r-- | gptsync/Makefile.am | 35 | ||||
| -rw-r--r-- | gptsync/README | 41 | ||||
| -rw-r--r-- | gptsync/gptsync.c | 469 | ||||
| -rw-r--r-- | gptsync/gptsync.h | 219 | ||||
| -rw-r--r-- | gptsync/lib.c | 469 | ||||
| -rw-r--r-- | gptsync/os_unix.c | 265 | ||||
| -rw-r--r-- | gptsync/showpart.c | 257 | ||||
| -rw-r--r-- | gptsync/syslinux_mbr.h | 90 |
9 files changed, 0 insertions, 1847 deletions
diff --git a/gptsync/.gitignore b/gptsync/.gitignore deleted file mode 100644 index 4971cfa19..000000000 --- a/gptsync/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -gptsync -showpart diff --git a/gptsync/Makefile.am b/gptsync/Makefile.am deleted file mode 100644 index 7f664325d..000000000 --- a/gptsync/Makefile.am +++ /dev/null @@ -1,35 +0,0 @@ -# gptsync/Makefile.am for anaconda -# -# Copyright (C) 2009 Red Hat, Inc. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU Lesser General Public License as published -# by the Free Software Foundation; either version 2.1 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -# -# Author: David Cantrell <dcantrell@redhat.com> - -COMMON_SRCS = lib.c os_unix.c -noinst_HEADERS = gptsync.h syslinux_mbr.h - -if IS_GPTSYNC_ARCH -sbin_PROGRAMS = gptsync showpart - -gptsync_CFLAGS = -DPROGNAME=gptsync -gptsync_SOURCES = gptsync.c $(COMMON_SRCS) - -showpart_CFLAGS = -DPROGNAME=showpart -showpart_SOURCES = showpart.c $(COMMON_SRCS) -endif - -EXTRA_DIST = README - -MAINTAINERCLEANFILES = Makefile.in diff --git a/gptsync/README b/gptsync/README deleted file mode 100644 index cb306bd76..000000000 --- a/gptsync/README +++ /dev/null @@ -1,41 +0,0 @@ -gptsync is from refit (refit.sf.net). It has been modified to -1) Not prompt if you want to copy -2) Default to Linux native (0x83) instead of fat32 partition id - -The original license follows. - - - rEFIt License -=============== - -Copyright (c) 2006-2007 Christoph Pfisterer -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the - distribution. - - * Neither the name of Christoph Pfisterer nor the names of the - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - diff --git a/gptsync/gptsync.c b/gptsync/gptsync.c deleted file mode 100644 index 94c37eb33..000000000 --- a/gptsync/gptsync.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * gptsync/gptsync.c - * Platform-independent code for syncing GPT and MBR - * - * Copyright (c) 2006-2007 Christoph Pfisterer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * * Neither the name of Christoph Pfisterer nor the names of the - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "gptsync.h" - -#include "syslinux_mbr.h" - -// -// MBR functions -// - -static UINTN check_mbr(VOID) -{ - UINTN i, k; - - // check each entry - for (i = 0; i < mbr_part_count; i++) { - // check for overlap - for (k = 0; k < mbr_part_count; k++) { - if (k != i && !(mbr_parts[i].start_lba > mbr_parts[k].end_lba || mbr_parts[k].start_lba > mbr_parts[i].end_lba)) { - Print(L"Status: MBR partition table is invalid, partitions overlap.\n"); - return 1; - } - } - - // check for extended partitions - if (mbr_parts[i].mbr_type == 0x05 || mbr_parts[i].mbr_type == 0x0f || mbr_parts[i].mbr_type == 0x85) { - Print(L"Status: Extended partition found in MBR table, will not touch this disk.\n", - gpt_parts[i].gpt_parttype->name); - return 1; - } - } - - return 0; -} - -static UINTN write_mbr(VOID) -{ - UINTN status; - UINTN i, k; - UINT8 active; - UINT64 lba; - MBR_PARTITION_INFO *table; - BOOLEAN have_bootcode; - - Print(L"\nWriting new MBR...\n"); - - // read MBR data - status = read_sector(0, sector); - if (status != 0) - return status; - - // write partition table - *((UINT16 *)(sector + 510)) = 0xaa55; - - table = (MBR_PARTITION_INFO *)(sector + 446); - active = 0x80; - for (i = 0; i < 4; i++) { - for (k = 0; k < new_mbr_part_count; k++) { - if (new_mbr_parts[k].index == i) - break; - } - if (k >= new_mbr_part_count) { - // unused entry - table[i].flags = 0; - table[i].start_chs[0] = 0; - table[i].start_chs[1] = 0; - table[i].start_chs[2] = 0; - table[i].type = 0; - table[i].end_chs[0] = 0; - table[i].end_chs[1] = 0; - table[i].end_chs[2] = 0; - table[i].start_lba = 0; - table[i].size = 0; - } else { - if (new_mbr_parts[k].active) { - table[i].flags = active; - active = 0x00; - } else - table[i].flags = 0x00; - table[i].start_chs[0] = 0xfe; - table[i].start_chs[1] = 0xff; - table[i].start_chs[2] = 0xff; - table[i].type = new_mbr_parts[k].mbr_type; - table[i].end_chs[0] = 0xfe; - table[i].end_chs[1] = 0xff; - table[i].end_chs[2] = 0xff; - - lba = new_mbr_parts[k].start_lba; - if (lba > 0xffffffffULL) { - Print(L"Warning: Partition %d starts beyond 2 TiB limit\n", i+1); - lba = 0xffffffffULL; - } - table[i].start_lba = (UINT32)lba; - - lba = new_mbr_parts[k].end_lba + 1 - new_mbr_parts[k].start_lba; - if (lba > 0xffffffffULL) { - Print(L"Warning: Partition %d extends beyond 2 TiB limit\n", i+1); - lba = 0xffffffffULL; - } - table[i].size = (UINT32)lba; - } - } - - // add boot code if necessary - have_bootcode = FALSE; - for (i = 0; i < MBR_BOOTCODE_SIZE; i++) { - if (sector[i] != 0) { - have_bootcode = TRUE; - break; - } - } - if (!have_bootcode) { - // no boot code found in the MBR, add the syslinux MBR code - SetMem(sector, 0, MBR_BOOTCODE_SIZE); - CopyMem(sector, syslinux_mbr, SYSLINUX_MBR_SIZE); - } - - // write MBR data - status = write_sector(0, sector); - if (status != 0) - return status; - - Print(L"MBR updated successfully!\n"); - - return 0; -} - -// -// GPT functions -// - -static UINTN check_gpt(VOID) -{ - UINTN i, k; - BOOLEAN found_data_parts; - - if (gpt_part_count == 0) { - Print(L"Status: No GPT partition table, no need to sync.\n"); - return 1; - } - - // check each entry - found_data_parts = FALSE; - for (i = 0; i < gpt_part_count; i++) { - // check sanity - if (gpt_parts[i].end_lba < gpt_parts[i].start_lba) { - Print(L"Status: GPT partition table is invalid.\n"); - return 1; - } - // check for overlap - for (k = 0; k < gpt_part_count; k++) { - if (k != i && !(gpt_parts[i].start_lba > gpt_parts[k].end_lba || gpt_parts[k].start_lba > gpt_parts[i].end_lba)) { - Print(L"Status: GPT partition table is invalid, partitions overlap.\n"); - return 1; - } - } - - // check for partitions kind - if (gpt_parts[i].gpt_parttype->kind == GPT_KIND_FATAL) { - Print(L"Status: GPT partition of type '%s' found, will not touch this disk.\n", - gpt_parts[i].gpt_parttype->name); - return 1; - } - if (gpt_parts[i].gpt_parttype->kind == GPT_KIND_DATA || - gpt_parts[i].gpt_parttype->kind == GPT_KIND_BASIC_DATA) - found_data_parts = TRUE; - } - - if (!found_data_parts) { - Print(L"Status: GPT partition table has no data partitions, no need to sync.\n"); - return 1; - } - - return 0; -} - -// -// compare GPT and MBR tables -// - -#define ACTION_NONE (0) -#define ACTION_NOP (1) -#define ACTION_REWRITE (2) - -static UINTN analyze(VOID) -{ - UINTN action; - UINTN i, k, iter, count_active, detected_parttype; - CHARN *fsname; - UINT64 min_start_lba; - BOOLEAN have_esp; - - new_mbr_part_count = 0; - - // determine correct MBR types for GPT partitions - if (gpt_part_count == 0) { - Print(L"Status: No GPT partitions defined, nothing to sync.\n"); - return 0; - } - have_esp = FALSE; - for (i = 0; i < gpt_part_count; i++) { - gpt_parts[i].mbr_type = gpt_parts[i].gpt_parttype->mbr_type; - if (gpt_parts[i].gpt_parttype->kind == GPT_KIND_BASIC_DATA) { - // Basic Data: need to look at data in the partition - detect_mbrtype_fs(gpt_parts[i].start_lba, &detected_parttype, &fsname); - if (detected_parttype) - gpt_parts[i].mbr_type = detected_parttype; - else - gpt_parts[i].mbr_type = 0x0b; // fallback: FAT32 - } else if (gpt_parts[i].mbr_type == 0xef) { - // EFI System Partition: GNU parted can put this on any partition, - // need to detect file systems - detect_mbrtype_fs(gpt_parts[i].start_lba, &detected_parttype, &fsname); - if (!have_esp && (detected_parttype == 0x01 || detected_parttype == 0x0e || detected_parttype == 0x0c)) - ; // seems to be a legitimate ESP, don't change - else if (detected_parttype) - gpt_parts[i].mbr_type = detected_parttype; - else if (have_esp) // make sure there's no more than one ESP per disk - gpt_parts[i].mbr_type = 0x83; // fallback: Linux - } - // NOTE: mbr_type may still be 0 if content detection fails for exotic GPT types or file systems - - if (gpt_parts[i].mbr_type == 0xef) - have_esp = TRUE; - } - - // check for common scenarios - action = ACTION_NONE; - if (mbr_part_count == 0) { - // current MBR is empty - action = ACTION_REWRITE; - } else if (mbr_part_count == 1 && mbr_parts[0].mbr_type == 0xee) { - // MBR has just the EFI Protective partition (i.e. untouched) - action = ACTION_REWRITE; - } - if (action == ACTION_NONE && mbr_part_count > 0) { - if (mbr_parts[0].mbr_type == 0xee && - gpt_parts[0].mbr_type == 0xef && - mbr_parts[0].start_lba == 1 && - mbr_parts[0].end_lba == gpt_parts[0].end_lba) { - // The Apple Way, "EFI Protective" covering the tables and the ESP - action = ACTION_NOP; - if ((mbr_part_count != gpt_part_count && gpt_part_count <= 4) || - (mbr_part_count != 4 && gpt_part_count > 4)) { - // number of partitions has changed - action = ACTION_REWRITE; - } else { - // check partition ranges and types - for (i = 1; i < mbr_part_count; i++) { - if (mbr_parts[i].start_lba != gpt_parts[i].start_lba || - mbr_parts[i].end_lba != gpt_parts[i].end_lba || - (gpt_parts[i].mbr_type && mbr_parts[i].mbr_type != gpt_parts[i].mbr_type)) - // position or type has changed - action = ACTION_REWRITE; - } - } - // check number of active partitions - count_active = 0; - for (i = 0; i < mbr_part_count; i++) - if (mbr_parts[i].active) - count_active++; - if (count_active!= 1) - action = ACTION_REWRITE; - } - } - if (action == ACTION_NONE && mbr_part_count > 0 && mbr_parts[0].mbr_type == 0xef) { - // The XOM Way, all partitions mirrored 1:1 - action = ACTION_REWRITE; - // check partition ranges and types - for (i = 0; i < mbr_part_count; i++) { - if (mbr_parts[i].start_lba != gpt_parts[i].start_lba || - mbr_parts[i].end_lba != gpt_parts[i].end_lba || - (gpt_parts[i].mbr_type && mbr_parts[i].mbr_type != gpt_parts[i].mbr_type)) - // position or type has changed -> better don't touch - action = ACTION_NONE; - } - } - - if (action == ACTION_NOP) { - Print(L"Status: Tables are synchronized, no need to sync.\n"); - return 0; - } else if (action == ACTION_REWRITE) { - Print(L"Status: MBR table must be updated.\n"); - } else { - Print(L"Status: Analysis inconclusive, will not touch this disk.\n"); - return 1; - } - - // generate the new table - - // first entry: EFI Protective - new_mbr_parts[0].index = 0; - new_mbr_parts[0].start_lba = 1; - new_mbr_parts[0].mbr_type = 0xee; - new_mbr_part_count = 1; - - if (gpt_parts[0].mbr_type == 0xef) { - new_mbr_parts[0].end_lba = gpt_parts[0].end_lba; - i = 1; - } else { - min_start_lba = gpt_parts[0].start_lba; - for (k = 0; k < gpt_part_count; k++) { - if (min_start_lba > gpt_parts[k].start_lba) - min_start_lba = gpt_parts[k].start_lba; - } - new_mbr_parts[0].end_lba = min_start_lba - 1; - i = 0; - } - - // add other GPT partitions until the table is full - // TODO: in the future, prioritize partitions by kind - for (; i < gpt_part_count && new_mbr_part_count < 4; i++) { - new_mbr_parts[new_mbr_part_count].index = new_mbr_part_count; - new_mbr_parts[new_mbr_part_count].start_lba = gpt_parts[i].start_lba; - new_mbr_parts[new_mbr_part_count].end_lba = gpt_parts[i].end_lba; - new_mbr_parts[new_mbr_part_count].mbr_type = gpt_parts[i].mbr_type; - new_mbr_parts[new_mbr_part_count].active = FALSE; - - // find matching partition in the old MBR table - for (k = 0; k < mbr_part_count; k++) { - if (mbr_parts[k].start_lba == gpt_parts[i].start_lba) { - // keep type if not detected - if (new_mbr_parts[new_mbr_part_count].mbr_type == 0) - new_mbr_parts[new_mbr_part_count].mbr_type = mbr_parts[k].mbr_type; - // keep active flag - new_mbr_parts[new_mbr_part_count].active = mbr_parts[k].active; - break; - } - } - - if (new_mbr_parts[new_mbr_part_count].mbr_type == 0) - // final fallback: set to a (hopefully) unused type - new_mbr_parts[new_mbr_part_count].mbr_type = 0xc0; - - new_mbr_part_count++; - } - - // make sure there's exactly one active partition - for (iter = 0; iter < 3; iter++) { - // check - count_active = 0; - for (i = 0; i < new_mbr_part_count; i++) - if (new_mbr_parts[i].active) - count_active++; - if (count_active == 1) - break; - - // set active on the first matching partition - if (count_active == 0) { - for (i = 0; i < new_mbr_part_count; i++) { - if ((iter >= 0 && (new_mbr_parts[i].mbr_type == 0x07 || // NTFS - new_mbr_parts[i].mbr_type == 0x0b || // FAT32 - new_mbr_parts[i].mbr_type == 0x0c)) || // FAT32 (LBA) - (iter >= 1 && (new_mbr_parts[i].mbr_type == 0x83)) || // Linux - (iter >= 2 && i > 0)) { - new_mbr_parts[i].active = TRUE; - break; - } - } - } else if (count_active > 1 && iter == 0) { - // too many active partitions, try deactivating the ESP / EFI Protective entry - if ((new_mbr_parts[0].mbr_type == 0xee || new_mbr_parts[0].mbr_type == 0xef) && - new_mbr_parts[0].active) { - new_mbr_parts[0].active = FALSE; - } - } else if (count_active > 1 && iter > 0) { - // too many active partitions, deactivate all but the first one - count_active = 0; - for (i = 0; i < new_mbr_part_count; i++) - if (new_mbr_parts[i].active) { - if (count_active > 0) - new_mbr_parts[i].active = FALSE; - count_active++; - } - } - } - - // dump table - Print(L"\nProposed new MBR partition table:\n"); - Print(L" # A Start LBA End LBA Type\n"); - for (i = 0; i < new_mbr_part_count; i++) { - Print(L" %d %s %12lld %12lld %02x %s\n", - new_mbr_parts[i].index + 1, - new_mbr_parts[i].active ? STR("*") : STR(" "), - new_mbr_parts[i].start_lba, - new_mbr_parts[i].end_lba, - new_mbr_parts[i].mbr_type, - mbr_parttype_name(new_mbr_parts[i].mbr_type)); - } - - return 0; -} - -// -// sync algorithm entry point -// - -UINTN gptsync(VOID) -{ - UINTN status = 0; - UINTN status_gpt, status_mbr; - // BOOLEAN proceed = FALSE; - - // get full information from disk - status_gpt = read_gpt(); - status_mbr = read_mbr(); - if (status_gpt != 0 || status_mbr != 0) - return (status_gpt || status_mbr); - - // cross-check current situation - Print(L"\n"); - status = check_gpt(); // check GPT for consistency - if (status != 0) - return status; - status = check_mbr(); // check MBR for consistency - if (status != 0) - return status; - status = analyze(); // analyze the situation & compose new MBR table - if (status != 0) - return status; - if (new_mbr_part_count == 0) - return status; - - // offer user the choice what to do - // status = input_boolean(STR("\nMay I update the MBR as printed above? [y/N] "), &proceed); - // if (status != 0 || proceed != TRUE) - // return status; - - // adjust the MBR and write it back - status = write_mbr(); - if (status != 0) - return status; - - return status; -} diff --git a/gptsync/gptsync.h b/gptsync/gptsync.h deleted file mode 100644 index d1bf3c20e..000000000 --- a/gptsync/gptsync.h +++ /dev/null @@ -1,219 +0,0 @@ -/* - * gptsync/gptsync.h - * Common header for gptsync and showpart - * - * Copyright (c) 2006 Christoph Pfisterer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * * Neither the name of Christoph Pfisterer nor the names of the - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// -// config -// - -#if defined(EFI32) || defined(EFIX64) -#define CONFIG_EFI -#endif - -// -// platform-dependent types -// - -#ifdef CONFIG_EFI - -#include <efi.h> -#include <efilib.h> - -#define copy_guid(destguid, srcguid) (CopyMem(destguid, srcguid, 16)) -#define guids_are_equal(guid1, guid2) (CompareMem(guid1, guid2, 16) == 0) - -typedef CHAR16 CHARN; -#define STR(x) L##x - -#endif - - -#ifndef CONFIG_EFI - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdint.h> -#include <unistd.h> -#include <errno.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <fcntl.h> - -typedef int INTN; -typedef unsigned int UINTN; -typedef uint8_t UINT8; -typedef uint16_t UINT16; -typedef uint32_t UINT32; -typedef uint64_t UINT64; -typedef void VOID; - -typedef int BOOLEAN; -#ifndef FALSE -#define FALSE (0) -#endif -#ifndef TRUE -#define TRUE (1) -#endif - -typedef unsigned short CHAR16; -typedef char CHARN; -#define STR(x) x - -void Print(wchar_t *format, ...); - -// FUTURE: use STR(), #define Print printf - -#define CopyMem memcpy -#define SetMem memset -#define CompareMem memcmp - -#define copy_guid(destguid, srcguid) (memcpy(destguid, srcguid, 16)) -#define guids_are_equal(guid1, guid2) (memcmp(guid1, guid2, 16) == 0) - -#endif - -// -// platform-independent types -// - -typedef struct { - UINT8 flags; - UINT8 start_chs[3]; - UINT8 type; - UINT8 end_chs[3]; - UINT32 start_lba; - UINT32 size; -} MBR_PARTITION_INFO; - -typedef struct { - UINT8 type; - CHARN *name; -} MBR_PARTTYPE; - -typedef struct { - UINT64 signature; - UINT32 spec_revision; - UINT32 header_size; - UINT32 header_crc32; - UINT32 reserved; - UINT64 header_lba; - UINT64 alternate_header_lba; - UINT64 first_usable_lba; - UINT64 last_usable_lba; - UINT8 disk_guid[16]; - UINT64 entry_lba; - UINT32 entry_count; - UINT32 entry_size; - UINT32 entry_crc32; -} GPT_HEADER; - -typedef struct { - UINT8 type_guid[16]; - UINT8 partition_guid[16]; - UINT64 start_lba; - UINT64 end_lba; - UINT64 attributes; - CHAR16 name[36]; -} GPT_ENTRY; - -#define GPT_KIND_SYSTEM (0) -#define GPT_KIND_DATA (1) -#define GPT_KIND_BASIC_DATA (2) -#define GPT_KIND_FATAL (3) - -typedef struct { - UINT8 guid[16]; - UINT8 mbr_type; - CHARN *name; - UINTN kind; -} GPT_PARTTYPE; - -typedef struct { - UINTN index; - UINT64 start_lba; - UINT64 end_lba; - UINTN mbr_type; - UINT8 gpt_type[16]; - GPT_PARTTYPE *gpt_parttype; - BOOLEAN active; -} PARTITION_INFO; - -// -// functions provided by the OS-specific module -// - -UINTN read_sector(UINT64 lba, UINT8 *buffer); -UINTN write_sector(UINT64 lba, UINT8 *buffer); -UINTN input_boolean(CHARN *prompt, BOOLEAN *bool_out); - -// -// vars and functions provided by the common lib module -// - -extern UINT8 empty_guid[16]; - -extern PARTITION_INFO mbr_parts[4]; -extern UINTN mbr_part_count; -extern PARTITION_INFO gpt_parts[128]; -extern UINTN gpt_part_count; - -extern PARTITION_INFO new_mbr_parts[4]; -extern UINTN new_mbr_part_count; - -extern UINT8 sector[512]; - -extern MBR_PARTTYPE mbr_types[]; -extern GPT_PARTTYPE gpt_types[]; -extern GPT_PARTTYPE gpt_dummy_type; - -CHARN * mbr_parttype_name(UINT8 type); -UINTN read_mbr(VOID); - -GPT_PARTTYPE * gpt_parttype(UINT8 *type_guid); -UINTN read_gpt(VOID); - -UINTN detect_mbrtype_fs(UINT64 partlba, UINTN *parttype, CHARN **fsname); - -// -// actual platform-independent programs -// - -UINTN gptsync(VOID); -UINTN showpart(VOID); - -/* EOF */ diff --git a/gptsync/lib.c b/gptsync/lib.c deleted file mode 100644 index f2d71b2e1..000000000 --- a/gptsync/lib.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * gptsync/lib.c - * Platform-independent code common to gptsync and showpart - * - * Copyright (c) 2006-2007 Christoph Pfisterer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * * Neither the name of Christoph Pfisterer nor the names of the - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "gptsync.h" - -// variables - -UINT8 empty_guid[16] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }; - -PARTITION_INFO mbr_parts[4]; -UINTN mbr_part_count = 0; -PARTITION_INFO gpt_parts[128]; -UINTN gpt_part_count = 0; - -PARTITION_INFO new_mbr_parts[4]; -UINTN new_mbr_part_count = 0; - -UINT8 sector[512]; - -MBR_PARTTYPE mbr_types[] = { - { 0x01, STR("FAT12 (CHS)") }, - { 0x04, STR("FAT16 <32M (CHS)") }, - { 0x05, STR("Extended (CHS)") }, - { 0x06, STR("FAT16 (CHS)") }, - { 0x07, STR("NTFS/HPFS") }, - { 0x0b, STR("FAT32 (CHS)") }, - { 0x0c, STR("FAT32 (LBA)") }, - { 0x0e, STR("FAT16 (LBA)") }, - { 0x0f, STR("Extended (LBA)") }, - { 0x11, STR("Hidden FAT12 (CHS)") }, - { 0x14, STR("Hidden FAT16 <32M (CHS)") }, - { 0x16, STR("Hidden FAT16 (CHS)") }, - { 0x17, STR("Hidden NTFS/HPFS") }, - { 0x1b, STR("Hidden FAT32 (CHS)") }, - { 0x1c, STR("Hidden FAT32 (LBA)") }, - { 0x1e, STR("Hidden FAT16 (LBA)") }, - { 0x82, STR("Linux swap / Solaris") }, - { 0x83, STR("Linux") }, - { 0x85, STR("Linux Extended") }, - { 0x86, STR("NT FAT volume set") }, - { 0x87, STR("NTFS volume set") }, - { 0x8e, STR("Linux LVM") }, - { 0xa5, STR("FreeBSD") }, - { 0xa6, STR("OpenBSD") }, - { 0xa7, STR("NeXTSTEP") }, - { 0xa8, STR("Mac OS X UFS") }, - { 0xa9, STR("NetBSD") }, - { 0xab, STR("Mac OS X Boot") }, - { 0xac, STR("Apple RAID") }, - { 0xaf, STR("Mac OS X HFS+") }, - { 0xbe, STR("Solaris Boot") }, - { 0xbf, STR("Solaris") }, - { 0xeb, STR("BeOS") }, - { 0xee, STR("EFI Protective") }, - { 0xef, STR("EFI System (FAT)") }, - { 0xfd, STR("Linux RAID") }, - { 0, NULL }, -}; - -GPT_PARTTYPE gpt_types[] = { - { "\x28\x73\x2A\xC1\x1F\xF8\xD2\x11\xBA\x4B\x00\xA0\xC9\x3E\xC9\x3B", 0xef, STR("EFI System (FAT)"), GPT_KIND_SYSTEM }, - { "\x41\xEE\x4D\x02\xE7\x33\xD3\x11\x9D\x69\x00\x08\xC7\x81\xF3\x9F", 0x00, STR("MBR partition scheme"), GPT_KIND_FATAL }, - { "\x16\xE3\xC9\xE3\x5C\x0B\xB8\x4D\x81\x7D\xF9\x2D\xF0\x02\x15\xAE", 0x00, STR("MS Reserved"), GPT_KIND_SYSTEM }, - { "\xA2\xA0\xD0\xEB\xE5\xB9\x33\x44\x87\xC0\x68\xB6\xB7\x26\x99\xC7", 0x00, STR("Basic Data"), GPT_KIND_BASIC_DATA }, - { "\xAA\xC8\x08\x58\x8F\x7E\xE0\x42\x85\xD2\xE1\xE9\x04\x34\xCF\xB3", 0x00, STR("MS LDM Metadata"), GPT_KIND_FATAL }, - { "\xA0\x60\x9B\xAF\x31\x14\x62\x4F\xBC\x68\x33\x11\x71\x4A\x69\xAD", 0x00, STR("MS LDM Data"), GPT_KIND_FATAL }, - { "\x1E\x4C\x89\x75\xEB\x3A\xD3\x11\xB7\xC1\x7B\x03\xA0\x00\x00\x00", 0x00, STR("HP/UX Data"), GPT_KIND_DATA }, - { "\x28\xE7\xA1\xE2\xE3\x32\xD6\x11\xA6\x82\x7B\x03\xA0\x00\x00\x00", 0x00, STR("HP/UX Service"), GPT_KIND_SYSTEM }, - { "\x0F\x88\x9D\xA1\xFC\x05\x3B\x4D\xA0\x06\x74\x3F\x0F\x84\x91\x1E", 0xfd, STR("Linux RAID"), GPT_KIND_DATA }, - { "\x6D\xFD\x57\x06\xAB\xA4\xC4\x43\x84\xE5\x09\x33\xC8\x4B\x4F\x4F", 0x82, STR("Linux Swap"), GPT_KIND_SYSTEM }, - { "\x79\xD3\xD6\xE6\x07\xF5\xC2\x44\xA2\x3C\x23\x8F\x2A\x3D\xF9\x28", 0x8e, STR("Linux LVM"), GPT_KIND_DATA }, - { "\x39\x33\xA6\x8D\x07\x00\xC0\x60\xC4\x36\x08\x3A\xC8\x23\x09\x08", 0x00, STR("Linux Reserved"), GPT_KIND_SYSTEM }, - { "\xB4\x7C\x6E\x51\xCF\x6E\xD6\x11\x8F\xF8\x00\x02\x2D\x09\x71\x2B", 0xa5, STR("FreeBSD Data"), GPT_KIND_DATA }, - { "\xB5\x7C\x6E\x51\xCF\x6E\xD6\x11\x8F\xF8\x00\x02\x2D\x09\x71\x2B", 0x00, STR("FreeBSD Swap"), GPT_KIND_SYSTEM }, - { "\xB6\x7C\x6E\x51\xCF\x6E\xD6\x11\x8F\xF8\x00\x02\x2D\x09\x71\x2B", 0xa5, STR("FreeBSD UFS"), GPT_KIND_DATA }, - { "\xB8\x7C\x6E\x51\xCF\x6E\xD6\x11\x8F\xF8\x00\x02\x2D\x09\x71\x2B", 0x00, STR("FreeBSD Vinum"), GPT_KIND_DATA }, - { "\x00\x53\x46\x48\x00\x00\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0xaf, STR("Mac OS X HFS+"), GPT_KIND_DATA }, - { "\x00\x53\x46\x55\x00\x00\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0xa8, STR("Mac OS X UFS"), GPT_KIND_DATA }, - { "\x74\x6F\x6F\x42\x00\x00\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0xab, STR("Mac OS X Boot"), GPT_KIND_DATA }, - { "\x44\x49\x41\x52\x00\x00\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0xac, STR("Apple RAID"), GPT_KIND_DATA }, - { "\x44\x49\x41\x52\x4F\x5F\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0xac, STR("Apple RAID (Offline)"), GPT_KIND_DATA }, - { "\x65\x62\x61\x4C\x00\x6C\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0x00, STR("Apple Label"), GPT_KIND_SYSTEM }, - { "\x6F\x63\x65\x52\x65\x76\xAA\x11\xAA\x11\x00\x30\x65\x43\xEC\xAC", 0x00, STR("Apple Recovery"), GPT_KIND_BASIC_DATA }, - { "\x7f\x23\x96\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0x00, STR("Solaris Reserved"), GPT_KIND_SYSTEM }, - { "\x45\xCB\x82\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Boot"), GPT_KIND_DATA }, - { "\x4D\xCF\x85\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Root"), GPT_KIND_DATA }, - { "\x6F\xC4\x87\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0x00, STR("Solaris Swap"), GPT_KIND_SYSTEM }, - { "\xC3\x8C\x89\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Usr"), GPT_KIND_DATA }, - { "\x2B\x64\x8B\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0x00, STR("Solaris Backup"), GPT_KIND_SYSTEM }, - { "\xC7\x2A\x8D\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Stand"), GPT_KIND_DATA }, - { "\xE9\xF2\x8E\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Var"), GPT_KIND_DATA }, - { "\x39\xBA\x90\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris Home"), GPT_KIND_DATA }, - { "\xA5\x83\x92\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0xbf, STR("Solaris ALTSCTR"), GPT_KIND_DATA }, - { "\x3B\x5A\x94\x6A\xD2\x1D\xB2\x11\x99\xa6\x08\x00\x20\x73\x66\x31", 0x00, STR("Solaris Cache"), GPT_KIND_SYSTEM }, - { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, 0, NULL, 0 }, -}; -GPT_PARTTYPE gpt_dummy_type = - { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }, 0, STR("Unknown"), GPT_KIND_FATAL }; - -// -// MBR functions -// - -CHARN * mbr_parttype_name(UINT8 type) -{ - int i; - - for (i = 0; mbr_types[i].name; i++) - if (mbr_types[i].type == type) - return mbr_types[i].name; - return STR("Unknown"); -} - -UINTN read_mbr(VOID) -{ - UINTN status; - UINTN i; - BOOLEAN used; - MBR_PARTITION_INFO *table; - - Print(L"\nCurrent MBR partition table:\n"); - - // read MBR data - status = read_sector(0, sector); - if (status != 0) - return status; - - // check for validity - if (*((UINT16 *)(sector + 510)) != 0xaa55) { - Print(L" No MBR partition table present!\n"); - return 1; - } - table = (MBR_PARTITION_INFO *)(sector + 446); - for (i = 0; i < 4; i++) { - if (table[i].flags != 0x00 && table[i].flags != 0x80) { - Print(L" MBR partition table is invalid!\n"); - return 1; - } - } - - // check if used - used = FALSE; - for (i = 0; i < 4; i++) { - if (table[i].start_lba > 0 && table[i].size > 0) { - used = TRUE; - break; - } - } - if (!used) { - Print(L" No partitions defined\n"); - return 0; - } - - // dump current state & fill internal structures - Print(L" # A Start LBA End LBA Type\n"); - for (i = 0; i < 4; i++) { - if (table[i].start_lba == 0 || table[i].size == 0) - continue; - - mbr_parts[mbr_part_count].index = i; - mbr_parts[mbr_part_count].start_lba = (UINT64)table[i].start_lba; - mbr_parts[mbr_part_count].end_lba = (UINT64)table[i].start_lba + (UINT64)table[i].size - 1; - mbr_parts[mbr_part_count].mbr_type = table[i].type; - mbr_parts[mbr_part_count].active = (table[i].flags == 0x80) ? TRUE : FALSE; - - Print(L" %d %s %12lld %12lld %02x %s\n", - mbr_parts[mbr_part_count].index + 1, - mbr_parts[mbr_part_count].active ? STR("*") : STR(" "), - mbr_parts[mbr_part_count].start_lba, - mbr_parts[mbr_part_count].end_lba, - mbr_parts[mbr_part_count].mbr_type, - mbr_parttype_name(mbr_parts[mbr_part_count].mbr_type)); - - mbr_part_count++; - } - - return 0; -} - -// -// GPT functions -// - -GPT_PARTTYPE * gpt_parttype(UINT8 *type_guid) -{ - int i; - - for (i = 0; gpt_types[i].name; i++) - if (guids_are_equal(gpt_types[i].guid, type_guid)) - return &(gpt_types[i]); - return &gpt_dummy_type; -} - -UINTN read_gpt(VOID) -{ - UINTN status; - GPT_HEADER *header; - GPT_ENTRY *entry; - UINT64 entry_lba; - UINTN entry_count, entry_size, i; - - Print(L"\nCurrent GPT partition table:\n"); - - // read GPT header - status = read_sector(1, sector); - if (status != 0) - return status; - - // check signature - header = (GPT_HEADER *)sector; - if (header->signature != 0x5452415020494645ULL) { - Print(L" No GPT partition table present!\n"); - return 0; - } - if (header->spec_revision != 0x00010000UL) { - Print(L" Warning: Unknown GPT spec revision 0x%08x\n", header->spec_revision); - } - if ((512 % header->entry_size) > 0 || header->entry_size > 512) { - Print(L" Error: Invalid GPT entry size (misaligned or more than 512 bytes)\n"); - return 0; - } - - // read entries - entry_lba = header->entry_lba; - entry_size = header->entry_size; - entry_count = header->entry_count; - - for (i = 0; i < entry_count; i++) { - if (((i * entry_size) % 512) == 0) { - status = read_sector(entry_lba, sector); - if (status != 0) - return status; - entry_lba++; - } - entry = (GPT_ENTRY *)(sector + ((i * entry_size) % 512)); - - if (guids_are_equal(entry->type_guid, empty_guid)) - continue; - if (gpt_part_count == 0) { - Print(L" # Start LBA End LBA Type\n"); - } - - gpt_parts[gpt_part_count].index = i; - gpt_parts[gpt_part_count].start_lba = entry->start_lba; - gpt_parts[gpt_part_count].end_lba = entry->end_lba; - gpt_parts[gpt_part_count].mbr_type = 0; - copy_guid(gpt_parts[gpt_part_count].gpt_type, entry->type_guid); - gpt_parts[gpt_part_count].gpt_parttype = gpt_parttype(gpt_parts[gpt_part_count].gpt_type); - gpt_parts[gpt_part_count].active = FALSE; - - Print(L" %d %12lld %12lld %s\n", - gpt_parts[gpt_part_count].index + 1, - gpt_parts[gpt_part_count].start_lba, - gpt_parts[gpt_part_count].end_lba, - gpt_parts[gpt_part_count].gpt_parttype->name); - - gpt_part_count++; - } - if (gpt_part_count == 0) { - Print(L" No partitions defined\n"); - return 0; - } - - return 0; -} - -// -// detect file system type -// - -UINTN detect_mbrtype_fs(UINT64 partlba, UINTN *parttype, CHARN **fsname) -{ - UINTN status; - UINTN signature, score; - UINTN sectsize, clustersize, reserved, fatcount, dirsize, sectcount, fatsize, clustercount; - - *fsname = STR("Unknown"); - *parttype = 0; - - // READ sector 0 / offset 0K - status = read_sector(partlba, sector); - if (status != 0) - return status; - - // detect XFS - memcpy(&signature, sector, sizeof(UINT32)); - if (signature == 0x42534658) { - *parttype = 0x83; - *fsname = STR("XFS"); - return 0; - } - - // detect FAT and NTFS - sectsize = *((UINT16 *)(sector + 11)); - clustersize = sector[13]; - if (sectsize >= 512 && (sectsize & (sectsize - 1)) == 0 && - clustersize > 0 && (clustersize & (clustersize - 1)) == 0) { - // preconditions for both FAT and NTFS are now met - - if (CompareMem(sector + 3, "NTFS ", 8) == 0) { - *parttype = 0x07; - *fsname = STR("NTFS"); - return 0; - } - - score = 0; - // boot jump - if ((sector[0] == 0xEB && sector[2] == 0x90) || - sector[0] == 0xE9) - score++; - // boot signature - if (sector[510] == 0x55 && sector[511] == 0xAA) - score++; - // reserved sectors - reserved = *((UINT16 *)(sector + 14)); - if (reserved == 1 || reserved == 32) - score++; - // number of FATs - fatcount = sector[16]; - if (fatcount == 2) - score++; - // number of root dir entries - dirsize = *((UINT16 *)(sector + 17)); - // sector count (16-bit and 32-bit versions) - sectcount = *((UINT16 *)(sector + 19)); - if (sectcount == 0) - sectcount = *((UINT32 *)(sector + 32)); - // media byte - if (sector[21] == 0xF0 || sector[21] >= 0xF8) - score++; - // FAT size in sectors - fatsize = *((UINT16 *)(sector + 22)); - if (fatsize == 0) - fatsize = *((UINT32 *)(sector + 36)); - - // determine FAT type - dirsize = ((dirsize * 32) + (sectsize - 1)) / sectsize; - clustercount = sectcount - (reserved + (fatcount * fatsize) + dirsize); - clustercount /= clustersize; - - if (score >= 3) { - if (clustercount < 4085) { - *parttype = 0x01; - *fsname = STR("FAT12"); - } else if (clustercount < 65525) { - *parttype = 0x0e; - *fsname = STR("FAT16"); - } else { - *parttype = 0x0c; - *fsname = STR("FAT32"); - } - // TODO: check if 0e and 0c are okay to use, maybe we should use 06 and 0b instead... - return 0; - } - } - - // READ sector 2 / offset 1K - status = read_sector(partlba + 2, sector); - if (status != 0) - return status; - - // detect HFS+ - memcpy(&signature, sector, sizeof(UINT16)); - if (signature == 0x4442) { - *parttype = 0xaf; - if (*((UINT16 *)(sector + 0x7c)) == 0x2B48) - *fsname = STR("HFS Extended (HFS+)"); - else - *fsname = STR("HFS Standard"); - return 0; - } else if (signature == 0x2B48) { - *parttype = 0xaf; - *fsname = STR("HFS Extended (HFS+)"); - return 0; - } - - // detect ext2/ext3 - signature = *((UINT16 *)(sector + 56)); - if (signature == 0xEF53) { - *parttype = 0x83; - if (*((UINT16 *)(sector + 92)) & 0x0004) - *fsname = STR("ext3"); - else - *fsname = STR("ext2"); - return 0; - } - - // READ sector 128 / offset 64K - status = read_sector(partlba + 128, sector); - if (status != 0) - return status; - - // detect ReiserFS - if (CompareMem(sector + 52, "ReIsErFs", 8) == 0 || - CompareMem(sector + 52, "ReIsEr2Fs", 9) == 0 || - CompareMem(sector + 52, "ReIsEr3Fs", 9) == 0) { - *parttype = 0x83; - *fsname = STR("ReiserFS"); - return 0; - } - - // detect Reiser4 - if (CompareMem(sector, "ReIsEr4", 7) == 0) { - *parttype = 0x83; - *fsname = STR("Reiser4"); - return 0; - } - - // READ sector 64 / offset 32K - status = read_sector(partlba + 64, sector); - if (status != 0) - return status; - - // detect JFS - if (CompareMem(sector, "JFS1", 4) == 0) { - *parttype = 0x83; - *fsname = STR("JFS"); - return 0; - } - - // READ sector 16 / offset 8K - status = read_sector(partlba + 16, sector); - if (status != 0) - return status; - - // detect ReiserFS - if (CompareMem(sector + 52, "ReIsErFs", 8) == 0 || - CompareMem(sector + 52, "ReIsEr2Fs", 9) == 0 || - CompareMem(sector + 52, "ReIsEr3Fs", 9) == 0) { - *parttype = 0x83; - *fsname = STR("ReiserFS"); - return 0; - } - - return 0; -} diff --git a/gptsync/os_unix.c b/gptsync/os_unix.c deleted file mode 100644 index c034031a2..000000000 --- a/gptsync/os_unix.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * gptsync/os_unix.c - * Unix OS glue for gptsync - * - * Copyright (c) 2006 Christoph Pfisterer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * * Neither the name of Christoph Pfisterer nor the names of the - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "gptsync.h" - -#include <stdarg.h> - -#define STRINGIFY(s) #s -#define STRINGIFY2(s) STRINGIFY(s) -#define PROGNAME_S STRINGIFY2(PROGNAME) - -// variables - -static int fd; - -// -// error functions -// - -void error(const char *msg, ...) -{ - va_list par; - char buf[4096]; - - va_start(par, msg); - vsnprintf(buf, 4096, msg, par); - va_end(par); - - fprintf(stderr, PROGNAME_S ": %s\n", buf); -} - -void errore(const char *msg, ...) -{ - va_list par; - char buf[4096]; - - va_start(par, msg); - vsnprintf(buf, 4096, msg, par); - va_end(par); - - fprintf(stderr, PROGNAME_S ": %s: %s\n", buf, strerror(errno)); -} - -// -// sector I/O functions -// - -UINTN read_sector(UINT64 lba, UINT8 *buffer) -{ - off_t offset; - off_t result_seek; - ssize_t result_read; - - offset = lba * 512; - result_seek = lseek(fd, offset, SEEK_SET); - if (result_seek != offset) { - errore("Seek to %llu failed", offset); - return 1; - } - - result_read = read(fd, buffer, 512); - if (result_read < 0) { - errore("Data read failed at position %llu", offset); - return 1; - } - if (result_read != 512) { - errore("Data read fell short at position %llu", offset); - return 1; - } - return 0; -} - -UINTN write_sector(UINT64 lba, UINT8 *buffer) -{ - off_t offset; - off_t result_seek; - ssize_t result_write; - - offset = lba * 512; - result_seek = lseek(fd, offset, SEEK_SET); - if (result_seek != offset) { - errore("Seek to %llu failed", offset); - return 1; - } - - result_write = write(fd, buffer, 512); - if (result_write < 0) { - errore("Data write failed at position %llu", offset); - return 1; - } - if (result_write != 512) { - errore("Data write fell short at position %llu", offset); - return 1; - } - return 0; -} - -// -// keyboard input -// - -UINTN input_boolean(CHARN *prompt, BOOLEAN *bool_out) -{ - int c; - - printf("%s", prompt); - fflush(NULL); - - c = getchar(); - if (c == EOF) - return 1; - - if (c == 'y' || c == 'Y') { - printf("Yes\n"); - *bool_out = TRUE; - } else { - printf("No\n"); - *bool_out = FALSE; - } - - return 0; -} - -// -// EFI-style print function -// - -void Print(wchar_t *format, ...) -{ - va_list par; - char formatbuf[256]; - char buf[4096]; - int i; - - for (i = 0; format[i]; i++) - formatbuf[i] = (format[i] > 255) ? '?' : (char)(format[i] & 0xff); - formatbuf[i] = 0; - - va_start(par, format); - vsnprintf(buf, 4096, formatbuf, par); - va_end(par); - - printf("%s", buf); -} - -// -// main entry point -// - -int main(int argc, char *argv[]) -{ - char *filename; - struct stat sb; - int filekind; - char *reason; - int status; - - // argument check - if (argc != 2) { - fprintf(stderr, "Usage: " PROGNAME_S " <device>\n"); - return 1; - } - filename = argv[1]; - - // set input to unbuffered - fflush(NULL); - setvbuf(stdin, NULL, _IONBF, 0); - - // stat check - if (stat(filename, &sb) < 0) { - errore("Can't stat %.300s", filename); - return 1; - } - - filekind = 0; - reason = NULL; - if (S_ISREG(sb.st_mode)) - ; - else if (S_ISBLK(sb.st_mode)) - filekind = 1; - else if (S_ISCHR(sb.st_mode)) - filekind = 2; - else if (S_ISDIR(sb.st_mode)) - reason = "Is a directory"; - else if (S_ISFIFO(sb.st_mode)) - reason = "Is a FIFO"; -#ifdef S_ISSOCK - else if (S_ISSOCK(sb.st_mode)) - reason = "Is a socket"; -#endif - else - reason = "Is an unknown kind of special file"; - - if (reason != NULL) { - error("%.300s: %s", filename, reason); - return 1; - } - - // open file - fd = open(filename, O_RDWR); - if (fd < 0 && errno == EBUSY) { - fd = open(filename, O_RDONLY); -#ifndef NOREADONLYWARN - if (fd >= 0) - printf("Warning: %.300s opened read-only\n", filename); -#endif - } - if (fd < 0) { - errore("Can't open %.300s", filename); - return 1; - } - - // (try to) guard against TTY character devices - if (filekind == 2) { - if (isatty(fd)) { - error("%.300s: Is a TTY device", filename); - return 1; - } - } - - // run sync algorithm - status = PROGNAME(); - printf("\n"); - - // close file - if (close(fd) != 0) { - errore("Error while closing %.300s", filename); - return 1; - } - - return status; -} diff --git a/gptsync/showpart.c b/gptsync/showpart.c deleted file mode 100644 index 3d52ba34e..000000000 --- a/gptsync/showpart.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * gptsync/showpart.c - * Platform-independent code for analyzing hard disk partitioning - * - * Copyright (c) 2006 Christoph Pfisterer - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the - * distribution. - * - * * Neither the name of Christoph Pfisterer nor the names of the - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "gptsync.h" - -// -// memory string search -// - -static INTN FindMem(VOID *Buffer, UINTN BufferLength, VOID *SearchString, UINTN SearchStringLength) -{ - UINT8 *BufferPtr; - UINTN Offset; - - BufferPtr = Buffer; - BufferLength -= SearchStringLength; - for (Offset = 0; Offset < BufferLength; Offset++, BufferPtr++) { - if (CompareMem(BufferPtr, SearchString, SearchStringLength) == 0) - return (INTN)Offset; - } - - return -1; -} - -// -// detect boot code -// - -static UINTN detect_bootcode(UINT64 partlba, CHARN **bootcodename) -{ - UINTN status; - BOOLEAN bootable; - - // read MBR data - status = read_sector(partlba, sector); - if (status != 0) - return status; - - // check bootable signature - if (*((UINT16 *)(sector + 510)) == 0xaa55 && sector[0] != 0) - bootable = TRUE; - else - bootable = FALSE; - *bootcodename = NULL; - - // detect specific boot codes - if (CompareMem(sector + 2, "LILO", 4) == 0 || - CompareMem(sector + 6, "LILO", 4) == 0) { - *bootcodename = STR("LILO"); - - } else if (CompareMem(sector + 3, "SYSLINUX", 8) == 0) { - *bootcodename = STR("SYSLINUX"); - - } else if (FindMem(sector, 512, "ISOLINUX", 8) >= 0) { - *bootcodename = STR("ISOLINUX"); - - } else if (FindMem(sector, 512, "Geom\0Hard Disk\0Read\0 Error\0", 27) >= 0) { - *bootcodename = STR("GRUB"); - - } else if ((*((UINT32 *)(sector + 502)) == 0 && - *((UINT32 *)(sector + 506)) == 50000 && - *((UINT16 *)(sector + 510)) == 0xaa55) || - FindMem(sector, 512, "Starting the BTX loader", 23) >= 0) { - *bootcodename = STR("FreeBSD"); - - } else if (FindMem(sector, 512, "!Loading", 8) >= 0 || - FindMem(sector, 512, "/cdboot\0/CDBOOT\0", 16) >= 0) { - *bootcodename = STR("OpenBSD"); - - } else if (FindMem(sector, 512, "NTLDR", 5) >= 0) { - *bootcodename = STR("Windows NTLDR"); - - } else if (FindMem(sector, 512, "BOOTMGR", 7) >= 0) { - *bootcodename = STR("Windows BOOTMGR (Vista)"); - - } else if (FindMem(sector, 512, "CPUBOOT SYS", 11) >= 0 || - FindMem(sector, 512, "KERNEL SYS", 11) >= 0) { - *bootcodename = STR("FreeDOS"); - - } else if (FindMem(sector, 512, "OS2LDR", 6) >= 0 || - FindMem(sector, 512, "OS2BOOT", 7) >= 0) { - *bootcodename = STR("eComStation"); - - } else if (FindMem(sector, 512, "Be Boot Loader", 14) >= 0) { - *bootcodename = STR("BeOS"); - - } else if (FindMem(sector, 512, "yT Boot Loader", 14) >= 0) { - *bootcodename = STR("ZETA"); - - } else if (FindMem(sector, 512, "\x04" "beos\x06" "system\x05" "zbeos", 18) >= 0) { - *bootcodename = STR("Haiku"); - - } - - if (FindMem(sector, 512, "Non-system disk", 15) >= 0) // dummy FAT boot sector - *bootcodename = STR("None (Non-system disk message)"); - - // TODO: Add a note if a specific code was detected, but the sector is not bootable? - - if (*bootcodename == NULL) { - if (bootable) - *bootcodename = STR("Unknown, but bootable"); - else - *bootcodename = STR("None"); - } - - return 0; -} - -// -// check one partition -// - -static UINTN analyze_part(UINT64 partlba) -{ - UINTN status; - UINTN i; - CHARN *bootcodename; - UINTN parttype; - CHARN *fsname; - - if (partlba == 0) - Print(L"\nMBR contents:\n"); - else - Print(L"\nPartition at LBA %lld:\n", partlba); - - // detect boot code - status = detect_bootcode(partlba, &bootcodename); - if (status) - return status; - Print(L" Boot Code: %s\n", bootcodename); - - if (partlba == 0) - return 0; // short-circuit MBR analysis - - // detect file system - status = detect_mbrtype_fs(partlba, &parttype, &fsname); - if (status) - return status; - Print(L" File System: %s\n", fsname); - - // cross-reference with partition table - for (i = 0; i < gpt_part_count; i++) { - if (gpt_parts[i].start_lba == partlba) { - Print(L" Listed in GPT as partition %d, type %s\n", i+1, - gpt_parts[i].gpt_parttype->name); - } - } - for (i = 0; i < mbr_part_count; i++) { - if (mbr_parts[i].start_lba == partlba) { - Print(L" Listed in MBR as partition %d, type %02x %s%s\n", i+1, - mbr_parts[i].mbr_type, - mbr_parttype_name(mbr_parts[i].mbr_type), - mbr_parts[i].active ? STR(", active") : STR("")); - } - } - - return 0; -} - -// -// check all partitions -// - -static UINTN analyze_parts(VOID) -{ - UINTN i, k; - UINTN status; - BOOLEAN is_dupe; - - // check MBR (bootcode only) - status = analyze_part(0); - if (status) - return status; - - // check partitions listed in GPT - for (i = 0; i < gpt_part_count; i++) { - status = analyze_part(gpt_parts[i].start_lba); - if (status) - return status; - } - - // check partitions listed in MBR, but not in GPT - for (i = 0; i < mbr_part_count; i++) { - if (mbr_parts[i].start_lba == 1 && mbr_parts[i].mbr_type == 0xee) - continue; // skip EFI Protective entry - - is_dupe = FALSE; - for (k = 0; k < gpt_part_count; k++) - if (gpt_parts[k].start_lba == mbr_parts[i].start_lba) - is_dupe = TRUE; - - if (!is_dupe) { - status = analyze_part(mbr_parts[i].start_lba); - if (status) - return status; - } - } - - return 0; -} - -// -// display algorithm entry point -// - -UINTN showpart(VOID) -{ - UINTN status = 0; - UINTN status_gpt, status_mbr; - - // get full information from disk - status_gpt = read_gpt(); - status_mbr = read_mbr(); - if (status_gpt != 0 || status_mbr != 0) - return (status_gpt || status_mbr); - - // analyze all partitions - status = analyze_parts(); - if (status != 0) - return status; - - return status; -} diff --git a/gptsync/syslinux_mbr.h b/gptsync/syslinux_mbr.h deleted file mode 100644 index 1c33e1159..000000000 --- a/gptsync/syslinux_mbr.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * include/syslinux_mbr.h - * MBR boot code - * - * The boot code in this file was taken from syslinux-3.11. It is covered - * by the following license: - * - ; ----------------------------------------------------------------------- - ; - ; Copyright 2003-2004 H. Peter Anvin - All Rights Reserved - ; - ; Permission is hereby granted, free of charge, to any person - ; obtaining a copy of this software and associated documentation - ; files (the "Software"), to deal in the Software without - ; restriction, including without limitation the rights to use, - ; copy, modify, merge, publish, distribute, sublicense, and/or - ; sell copies of the Software, and to permit persons to whom - ; the Software is furnished to do so, subject to the following - ; conditions: - ; - ; The above copyright notice and this permission notice shall - ; be included in all copies or substantial portions of the Software. - ; - ; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - ; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - ; OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - ; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - ; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - ; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - ; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - ; OTHER DEALINGS IN THE SOFTWARE. - ; - ; ----------------------------------------------------------------------- - * - */ - -#ifndef __SYSLINUX_MBR_H__ -#define __SYSLINUX_MBR_H__ - - -#define MBR_BOOTCODE_SIZE (440) - - -#define SYSLINUX_MBR_SIZE (304) - -static UINT8 syslinux_mbr[SYSLINUX_MBR_SIZE] = { - 0xfa, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0x8e, - 0xd0, 0xbc, 0x00, 0x7c, 0xfb, 0xfc, 0x89, 0xe6, - 0xbf, 0x00, 0x06, 0xb9, 0x00, 0x01, 0xf3, 0xa5, - 0xea, 0x1d, 0x06, 0x00, 0x00, 0x88, 0x16, 0x00, - 0x08, 0xb4, 0x08, 0xcd, 0x13, 0x31, 0xc0, 0x88, - 0xf0, 0x40, 0xa3, 0xf0, 0x06, 0x80, 0xe1, 0x3f, - 0x88, 0x0e, 0xf2, 0x06, 0xbe, 0xbe, 0x07, 0x31, - 0xc0, 0xb9, 0x04, 0x00, 0xf6, 0x04, 0x80, 0x74, - 0x03, 0x40, 0x89, 0xf7, 0x83, 0xc6, 0x10, 0xe2, - 0xf3, 0x83, 0xf8, 0x01, 0x75, 0x73, 0x8a, 0x16, - 0x00, 0x08, 0xb8, 0x00, 0x41, 0xbb, 0xaa, 0x55, - 0x31, 0xc9, 0x30, 0xf6, 0xf9, 0xcd, 0x13, 0x72, - 0x23, 0x81, 0xfb, 0x55, 0xaa, 0x75, 0x1d, 0xf6, - 0xc1, 0x01, 0x74, 0x18, 0x57, 0xbe, 0xe0, 0x06, - 0x8b, 0x5d, 0x08, 0x89, 0x5c, 0x08, 0x8b, 0x5d, - 0x0a, 0x89, 0x5c, 0x0a, 0x8a, 0x16, 0x00, 0x08, - 0xb4, 0x42, 0xeb, 0x2a, 0x57, 0x8b, 0x45, 0x08, - 0x8b, 0x55, 0x0a, 0xf7, 0x36, 0xf2, 0x06, 0x42, - 0x89, 0xd1, 0x31, 0xd2, 0xf7, 0x36, 0xf0, 0x06, - 0x88, 0xc5, 0xd1, 0xe8, 0xd1, 0xe8, 0x24, 0xc0, - 0x08, 0xc1, 0x88, 0xd6, 0x8a, 0x16, 0x00, 0x08, - 0xbb, 0x00, 0x7c, 0xb8, 0x01, 0x02, 0xcd, 0x13, - 0x72, 0x16, 0x5e, 0x81, 0x3e, 0xfe, 0x7d, 0x55, - 0xaa, 0x75, 0x08, 0xfa, 0xea, 0x00, 0x7c, 0x00, - 0x00, 0x77, 0x05, 0xbe, 0xf4, 0x06, 0xeb, 0x03, - 0xbe, 0x0f, 0x07, 0xac, 0x20, 0xc0, 0x74, 0x0c, - 0xb4, 0x0e, 0x8a, 0x3e, 0x62, 0x04, 0xb3, 0x07, - 0xcd, 0x10, 0xeb, 0xef, 0xeb, 0xfe, 0x00, 0x00, - 0x10, 0x00, 0x01, 0x00, 0x00, 0x7c, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x4d, 0x69, 0x73, 0x73, - 0x69, 0x6e, 0x67, 0x20, 0x6f, 0x70, 0x65, 0x72, - 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x73, 0x79, - 0x73, 0x74, 0x65, 0x6d, 0x0d, 0x0a, 0x00, 0x4f, - 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, - 0x20, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, - 0x6c, 0x6f, 0x61, 0x64, 0x69, 0x6e, 0x67, 0x20, - 0x65, 0x72, 0x72, 0x6f, 0x72, 0x0d, 0x0a, 0x00 -}; - - -#endif /* __SYSLINUX_MBR_H__ */ - -/* EOF */ |