+++ /dev/null
-/*
- * ReactOS kernel
- * Copyright (C) 2002, 2003, 2004, 2005 ReactOS Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/* $Id$
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS text-mode setup
- * FILE: subsys/system/usetup/partlist.c
- * PURPOSE: Partition list functions
- * PROGRAMMER: Eric Kohl
- * Casper S. Hornstrup (chorns@users.sourceforge.net)
- */
-
-#include <usetup.h>
-
-#define NDEBUG
-#include <debug.h>
-
-/* FUNCTIONS ****************************************************************/
-
-static VOID
-GetDriverName (PDISKENTRY DiskEntry)
-{
- RTL_QUERY_REGISTRY_TABLE QueryTable[2];
- WCHAR KeyName[32];
- NTSTATUS Status;
-
- RtlInitUnicodeString (&DiskEntry->DriverName,
- NULL);
-
- swprintf (KeyName,
- L"\\Scsi\\Scsi Port %lu",
- DiskEntry->Port);
-
- RtlZeroMemory (&QueryTable,
- sizeof(QueryTable));
-
- QueryTable[0].Name = L"Driver";
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
- QueryTable[0].EntryContext = &DiskEntry->DriverName;
-
- Status = RtlQueryRegistryValues (RTL_REGISTRY_DEVICEMAP,
- KeyName,
- QueryTable,
- NULL,
- NULL);
- if (!NT_SUCCESS (Status))
- {
- DPRINT1 ("RtlQueryRegistryValues() failed (Status %lx)\n", Status);
- }
-}
-
-
-static VOID
-AssignDriverLetters (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- CHAR Letter;
-
- Letter = 'C';
-
- /* Assign drive letters to primary partitions */
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1, DISKENTRY, ListEntry);
-
- if (!IsListEmpty (&DiskEntry->PartListHead))
- {
- PartEntry = CONTAINING_RECORD (DiskEntry->PartListHead.Flink,
- PARTENTRY,
- ListEntry);
-
- PartEntry->DriveLetter = 0;
-
- if (PartEntry->Unpartitioned == FALSE &&
- !IsContainerPartition (PartEntry->PartInfo[0].PartitionType))
- {
- if (IsRecognizedPartition (PartEntry->PartInfo[0].PartitionType) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[0].PartitionLength.QuadPart != 0LL))
- {
- if (Letter <= 'Z')
- {
- PartEntry->DriveLetter = Letter;
- Letter++;
- }
- }
- }
- }
-
- Entry1 = Entry1->Flink;
- }
-
-
- /* Assign drive letters to logical drives */
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1, DISKENTRY, ListEntry);
-
- Entry2 = DiskEntry->PartListHead.Flink;
- if (Entry2 != &DiskEntry->PartListHead)
- {
- Entry2 = Entry2->Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2,
- PARTENTRY,
- ListEntry);
-
- PartEntry->DriveLetter = 0;
-
- if (PartEntry->Unpartitioned == FALSE &&
- !IsContainerPartition (PartEntry->PartInfo[0].PartitionType))
- {
- if (IsRecognizedPartition (PartEntry->PartInfo[0].PartitionType) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[0].PartitionLength.QuadPart != 0LL))
- {
- if (Letter <= 'Z')
- {
- PartEntry->DriveLetter = Letter;
- Letter++;
- }
- }
- }
-
- Entry2 = Entry2->Flink;
- }
- }
-
- Entry1 = Entry1->Flink;
- }
-}
-
-
-static VOID
-UpdatePartitionNumbers (PDISKENTRY DiskEntry)
-{
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry;
- ULONG PartNumber;
- ULONG i;
-
- PartNumber = 1;
- Entry = DiskEntry->PartListHead.Flink;
- while (Entry != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry,
- PARTENTRY,
- ListEntry);
-
- if (PartEntry->Unpartitioned == TRUE)
- {
- for (i = 0; i < 4; i++)
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
- }
- else
- {
- for (i = 0; i < 4; i++)
- {
- if (IsContainerPartition (PartEntry->PartInfo[i].PartitionType))
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
- else if (PartEntry->PartInfo[i].PartitionType == PARTITION_ENTRY_UNUSED &&
- PartEntry->PartInfo[i].PartitionLength.QuadPart == 0ULL)
- {
- PartEntry->PartInfo[i].PartitionNumber = 0;
- }
- else
- {
- PartEntry->PartInfo[i].PartitionNumber = PartNumber;
- PartNumber++;
- }
- }
- }
-
- Entry = Entry->Flink;
- }
-}
-
-
-static VOID
-AddPartitionToList (ULONG DiskNumber,
- PDISKENTRY DiskEntry,
- DRIVE_LAYOUT_INFORMATION *LayoutBuffer)
-{
- PPARTENTRY PartEntry;
- ULONG i;
- ULONG j;
-
- for (i = 0; i < LayoutBuffer->PartitionCount; i += 4)
- {
- for (j = 0; j < 4; j++)
- {
- if (LayoutBuffer->PartitionEntry[j].PartitionType != PARTITION_ENTRY_UNUSED ||
- LayoutBuffer->PartitionEntry[j].PartitionLength.QuadPart != 0ULL)
- {
- break;
- }
- }
- if (j >= 4)
- {
- continue;
- }
-
- PartEntry = (PPARTENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (PartEntry == NULL)
- {
- return;
- }
-
- RtlZeroMemory (PartEntry,
- sizeof(PARTENTRY));
-
- PartEntry->Unpartitioned = FALSE;
-
- for (j = 0; j < 4; j++)
- {
- RtlCopyMemory (&PartEntry->PartInfo[j],
- &LayoutBuffer->PartitionEntry[i+j],
- sizeof(PARTITION_INFORMATION));
- }
-
- if (IsContainerPartition(PartEntry->PartInfo[0].PartitionType))
- {
- PartEntry->FormatState = Unformatted;
- }
- else if ((PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_12) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_16) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_HUGE) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_XINT13) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32_XINT13))
- {
-#if 0
- if (CheckFatFormat())
- {
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = Unformatted;
- }
-#endif
- PartEntry->FormatState = Preformatted;
- }
- else if (PartEntry->PartInfo[0].PartitionType == PARTITION_IFS)
- {
-#if 0
- if (CheckNtfsFormat())
- {
- PartEntry->FormatState = Preformatted;
- }
- else if (CheckHpfsFormat())
- {
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = Unformatted;
- }
-#endif
- PartEntry->FormatState = Preformatted;
- }
- else
- {
- PartEntry->FormatState = Unknown;
- }
-
- InsertTailList (&DiskEntry->PartListHead,
- &PartEntry->ListEntry);
- }
-}
-
-
-static VOID
-ScanForUnpartitionedDiskSpace (PDISKENTRY DiskEntry)
-{
- ULONGLONG LastStartingOffset;
- ULONGLONG LastPartitionLength;
- ULONGLONG LastUnusedPartitionLength;
- PPARTENTRY PartEntry;
- PPARTENTRY NewPartEntry;
- PLIST_ENTRY Entry;
- ULONG i;
- ULONG j;
-
- if (IsListEmpty (&DiskEntry->PartListHead))
- {
- /* Create a partition table that represents the empty disk */
- PartEntry = (PPARTENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (PartEntry == NULL)
- return;
-
- RtlZeroMemory (PartEntry,
- sizeof(PARTENTRY));
-
- PartEntry->Unpartitioned = TRUE;
- PartEntry->UnpartitionedOffset = 0ULL;
- PartEntry->UnpartitionedLength = DiskEntry->DiskSize;
-
- PartEntry->FormatState = Unformatted;
-
- InsertTailList (&DiskEntry->PartListHead,
- &PartEntry->ListEntry);
- }
- else
- {
- /* Start partition at head 1, cylinder 0 */
- LastStartingOffset = DiskEntry->TrackSize;
- LastPartitionLength = 0ULL;
- LastUnusedPartitionLength = 0ULL;
-
- i = 0;
- Entry = DiskEntry->PartListHead.Flink;
- while (Entry != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry, PARTENTRY, ListEntry);
-
- for (j = 0; j < 4; j++)
- {
- if ((!IsContainerPartition (PartEntry->PartInfo[j].PartitionType)) &&
- (PartEntry->PartInfo[j].PartitionType != PARTITION_ENTRY_UNUSED ||
- PartEntry->PartInfo[j].PartitionLength.QuadPart != 0LL))
- {
- LastUnusedPartitionLength =
- PartEntry->PartInfo[j].StartingOffset.QuadPart -
- (LastStartingOffset + LastPartitionLength);
-
- if (LastUnusedPartitionLength >= DiskEntry->CylinderSize)
- {
- DPRINT ("Unpartitioned disk space %I64u\n", LastUnusedPartitionLength);
-
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (NewPartEntry == NULL)
- return;
-
- RtlZeroMemory (NewPartEntry,
- sizeof(PARTENTRY));
-
- NewPartEntry->Unpartitioned = TRUE;
- NewPartEntry->UnpartitionedOffset = LastStartingOffset + LastPartitionLength;
- NewPartEntry->UnpartitionedLength = LastUnusedPartitionLength;
- if (j == 0)
- NewPartEntry->UnpartitionedLength -= DiskEntry->TrackSize;
-
- NewPartEntry->FormatState = Unformatted;
-
- /* Insert the table into the list */
- InsertTailList (&PartEntry->ListEntry,
- &NewPartEntry->ListEntry);
- }
-
- LastStartingOffset = PartEntry->PartInfo[j].StartingOffset.QuadPart;
- LastPartitionLength = PartEntry->PartInfo[j].PartitionLength.QuadPart;
- }
- }
-
- i += 4;
- Entry = Entry->Flink;
- }
-
- /* Check for trailing unpartitioned disk space */
- if (DiskEntry->DiskSize > (LastStartingOffset + LastPartitionLength))
- {
- /* Round-down to cylinder size */
- LastUnusedPartitionLength =
- ROUND_DOWN (DiskEntry->DiskSize - (LastStartingOffset + LastPartitionLength),
- DiskEntry->CylinderSize);
-
- if (LastUnusedPartitionLength >= DiskEntry->CylinderSize)
- {
- DPRINT ("Unpartitioned disk space %I64u\n", LastUnusedPartitionLength);
-
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (NewPartEntry == NULL)
- return;
-
- RtlZeroMemory (NewPartEntry,
- sizeof(PARTENTRY));
-
- NewPartEntry->Unpartitioned = TRUE;
- NewPartEntry->UnpartitionedOffset = LastStartingOffset + LastPartitionLength;
- NewPartEntry->UnpartitionedLength = LastUnusedPartitionLength;
-
- /* Append the table to the list */
- InsertTailList (&DiskEntry->PartListHead,
- &NewPartEntry->ListEntry);
- }
- }
- }
-}
-
-NTSTATUS
-STDCALL
-DiskIdentifierQueryRoutine(PWSTR ValueName,
- ULONG ValueType,
- PVOID ValueData,
- ULONG ValueLength,
- PVOID Context,
- PVOID EntryContext)
-{
- PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
- UNICODE_STRING NameU;
-
- if (ValueType == REG_SZ &&
- ValueLength == 20 * sizeof(WCHAR))
- {
- NameU.Buffer = (PWCHAR)ValueData;
- NameU.Length = NameU.MaximumLength = 8 * sizeof(WCHAR);
- RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Checksum);
-
- NameU.Buffer = (PWCHAR)ValueData + 9;
- RtlUnicodeStringToInteger(&NameU, 16, &BiosDiskEntry->Signature);
-
- return STATUS_SUCCESS;
- }
- return STATUS_UNSUCCESSFUL;
-}
-
-NTSTATUS
-STDCALL
-DiskConfigurationDataQueryRoutine(PWSTR ValueName,
- ULONG ValueType,
- PVOID ValueData,
- ULONG ValueLength,
- PVOID Context,
- PVOID EntryContext)
-{
- PBIOSDISKENTRY BiosDiskEntry = (PBIOSDISKENTRY)Context;
- PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
- PCM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
-
- if (ValueType == REG_FULL_RESOURCE_DESCRIPTOR &&
- ValueLength == sizeof(CM_FULL_RESOURCE_DESCRIPTOR) + sizeof(CM_DISK_GEOMETRY_DEVICE_DATA))
- {
- FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
- /* FIXME:
- * Is this 'paranoia' check correct ?
- */
- if (FullResourceDescriptor->InterfaceType != InterfaceTypeUndefined ||
- FullResourceDescriptor->BusNumber != 0 ||
- FullResourceDescriptor->PartialResourceList.Count != 1 ||
- FullResourceDescriptor->PartialResourceList.PartialDescriptors[0].Type != CmResourceTypeDeviceSpecific ||
- FullResourceDescriptor->PartialResourceList.PartialDescriptors[0].u.DeviceSpecificData.DataSize != sizeof(CM_DISK_GEOMETRY_DEVICE_DATA))
- {
- return STATUS_UNSUCCESSFUL;
- }
- DiskGeometry = (PCM_DISK_GEOMETRY_DEVICE_DATA)(FullResourceDescriptor + 1);
- BiosDiskEntry->DiskGeometry = *DiskGeometry;
-
- return STATUS_SUCCESS;
- }
- return STATUS_UNSUCCESSFUL;
-}
-
-NTSTATUS
-STDCALL
-SystemConfigurationDataQueryRoutine(PWSTR ValueName,
- ULONG ValueType,
- PVOID ValueData,
- ULONG ValueLength,
- PVOID Context,
- PVOID EntryContext)
-{
- PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
- PCM_INT13_DRIVE_PARAMETER* Int13Drives = (PCM_INT13_DRIVE_PARAMETER*)Context;
-
- if (ValueType == REG_FULL_RESOURCE_DESCRIPTOR &&
- ValueLength >= sizeof (CM_FULL_RESOURCE_DESCRIPTOR) &&
- (ValueLength - sizeof(CM_FULL_RESOURCE_DESCRIPTOR)) % sizeof(CM_INT13_DRIVE_PARAMETER) == 0)
- {
- FullResourceDescriptor = (PCM_FULL_RESOURCE_DESCRIPTOR)ValueData;
- if (FullResourceDescriptor->InterfaceType != InterfaceTypeUndefined ||
- FullResourceDescriptor->BusNumber != -1 ||
- FullResourceDescriptor->PartialResourceList.Count != 1 ||
- FullResourceDescriptor->PartialResourceList.PartialDescriptors[0].Type != CmResourceTypeDeviceSpecific)
- {
- return STATUS_UNSUCCESSFUL;
- }
- *Int13Drives = RtlAllocateHeap(ProcessHeap, 0, ValueLength - sizeof (CM_FULL_RESOURCE_DESCRIPTOR));
- if (*Int13Drives == NULL)
- {
- return STATUS_NO_MEMORY;
- }
- memcpy(*Int13Drives, FullResourceDescriptor + 1, ValueLength - sizeof (CM_FULL_RESOURCE_DESCRIPTOR));
- return STATUS_SUCCESS;
- }
- return STATUS_UNSUCCESSFUL;
-
-}
-#define ROOT_NAME L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter"
-
-static VOID
-EnumerateBiosDiskEntries(PPARTLIST PartList)
-{
- RTL_QUERY_REGISTRY_TABLE QueryTable[3];
- WCHAR Name[120];
- ULONG AdapterCount;
- ULONG DiskCount;
- NTSTATUS Status;
- PCM_INT13_DRIVE_PARAMETER Int13Drives;
- PBIOSDISKENTRY BiosDiskEntry;
-
- memset(QueryTable, 0, sizeof(QueryTable));
-
- QueryTable[1].Name = L"Configuration Data";
- QueryTable[1].QueryRoutine = SystemConfigurationDataQueryRoutine;
- Int13Drives = NULL;
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System",
- &QueryTable[1],
- (PVOID)&Int13Drives,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to query the 'Configuration Data' key in '\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System', status=%lx\n", Status);
- return;
- }
-
- AdapterCount = 0;
- while (1)
- {
- swprintf(Name, L"%s\\%lu", ROOT_NAME, AdapterCount);
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- Name,
- &QueryTable[2],
- NULL,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- break;
- }
-
- swprintf(Name, L"%s\\%lu\\DiskController", ROOT_NAME, AdapterCount);
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- Name,
- &QueryTable[2],
- NULL,
- NULL);
- if (NT_SUCCESS(Status))
- {
- while (1)
- {
- swprintf(Name, L"%s\\%lu\\DiskController\\0", ROOT_NAME, AdapterCount);
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- Name,
- &QueryTable[2],
- NULL,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(ProcessHeap, 0, Int13Drives);
- return;
- }
-
- swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral", ROOT_NAME, AdapterCount);
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- Name,
- &QueryTable[2],
- NULL,
- NULL);
- if (NT_SUCCESS(Status))
- {
- QueryTable[0].Name = L"Identifier";
- QueryTable[0].QueryRoutine = DiskIdentifierQueryRoutine;
- QueryTable[1].Name = L"Configuration Data";
- QueryTable[1].QueryRoutine = DiskConfigurationDataQueryRoutine;
- DiskCount = 0;
- while (1)
- {
- BiosDiskEntry = RtlAllocateHeap(ProcessHeap, HEAP_ZERO_MEMORY, sizeof(BIOSDISKENTRY));
- if (BiosDiskEntry == NULL)
- {
- break;
- }
- swprintf(Name, L"%s\\%lu\\DiskController\\0\\DiskPeripheral\\%lu", ROOT_NAME, AdapterCount, DiskCount);
- Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- Name,
- QueryTable,
- (PVOID)BiosDiskEntry,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
- break;
- }
- BiosDiskEntry->DiskNumber = DiskCount;
- BiosDiskEntry->Recognized = FALSE;
-
- if (DiskCount < Int13Drives[0].NumberDrives)
- {
- BiosDiskEntry->Int13DiskData = Int13Drives[DiskCount];
- }
- else
- {
- DPRINT1("Didn't find int13 drive datas for disk %u\n", DiskCount);
- }
-
-
- InsertTailList(&PartList->BiosDiskListHead, &BiosDiskEntry->ListEntry);
-
- DPRINT("DiskNumber: %d\n", BiosDiskEntry->DiskNumber);
- DPRINT("Signature: %08x\n", BiosDiskEntry->Signature);
- DPRINT("Checksum: %08x\n", BiosDiskEntry->Checksum);
- DPRINT("BytesPerSector: %d\n", BiosDiskEntry->DiskGeometry.BytesPerSector);
- DPRINT("NumberOfCylinders: %d\n", BiosDiskEntry->DiskGeometry.NumberOfCylinders);
- DPRINT("NumberOfHeads: %d\n", BiosDiskEntry->DiskGeometry.NumberOfHeads);
- DPRINT("DriveSelect: %02x\n", BiosDiskEntry->Int13DiskData.DriveSelect);
- DPRINT("MaxCylinders: %d\n", BiosDiskEntry->Int13DiskData.MaxCylinders);
- DPRINT("SectorsPerTrack: %d\n", BiosDiskEntry->Int13DiskData.SectorsPerTrack);
- DPRINT("MaxHeads: %d\n", BiosDiskEntry->Int13DiskData.MaxHeads);
- DPRINT("NumberDrives: %d\n", BiosDiskEntry->Int13DiskData.NumberDrives);
-
- DiskCount++;
- }
- }
- RtlFreeHeap(ProcessHeap, 0, Int13Drives);
- return;
- }
- }
- AdapterCount++;
- }
- RtlFreeHeap(ProcessHeap, 0, Int13Drives);
-}
-
-static VOID
-AddDiskToList (HANDLE FileHandle,
- ULONG DiskNumber,
- PPARTLIST List)
-{
- DRIVE_LAYOUT_INFORMATION *LayoutBuffer;
- DISK_GEOMETRY DiskGeometry;
- SCSI_ADDRESS ScsiAddress;
- PDISKENTRY DiskEntry;
- IO_STATUS_BLOCK Iosb;
- NTSTATUS Status;
- PPARTITION_SECTOR Mbr;
- PULONG Buffer;
- LARGE_INTEGER FileOffset;
- WCHAR Identifier[20];
- ULONG Checksum;
- ULONG Signature;
- ULONG i;
- PLIST_ENTRY ListEntry;
- PBIOSDISKENTRY BiosDiskEntry;
-
- Status = NtDeviceIoControlFile (FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_DISK_GET_DRIVE_GEOMETRY,
- NULL,
- 0,
- &DiskGeometry,
- sizeof(DISK_GEOMETRY));
- if (!NT_SUCCESS (Status))
- {
- return;
- }
-
- if (DiskGeometry.MediaType != FixedMedia)
- {
- return;
- }
-
- Status = NtDeviceIoControlFile (FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_SCSI_GET_ADDRESS,
- NULL,
- 0,
- &ScsiAddress,
- sizeof(SCSI_ADDRESS));
- if (!NT_SUCCESS(Status))
- {
- return;
- }
-
- Mbr = RtlAllocateHeap(ProcessHeap,
- 0,
- DiskGeometry.BytesPerSector);
-
- if (Mbr == NULL)
- {
- return;
- }
-
- FileOffset.QuadPart = 0;
- Status = NtReadFile(FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- (PVOID)Mbr,
- DiskGeometry.BytesPerSector,
- &FileOffset,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- RtlFreeHeap(ProcessHeap,
- 0,
- Mbr);
- DPRINT1("NtReadFile failed, status=%x\n", Status);
- return;
- }
- Signature = Mbr->Signature;
-
- /* Calculate the MBR checksum */
- Checksum = 0;
- Buffer = (PULONG)Mbr;
- for (i = 0; i < 128; i++)
- {
- Checksum += Buffer[i];
- }
- Checksum = ~Checksum + 1;
-
- RtlFreeHeap (ProcessHeap,
- 0,
- Mbr);
-
- swprintf(Identifier, L"%08x-%08x-A", Checksum, Signature);
- DPRINT("Identifier: %S\n", Identifier);
-
- DiskEntry = (PDISKENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(DISKENTRY));
- if (DiskEntry == NULL)
- {
- return;
- }
-
- DiskEntry->Checksum = Checksum;
- DiskEntry->Signature = Signature;
- if (Signature == 0)
- {
- /* If we have no signature, set the disk to dirty. WritePartitionsToDisk creates a new signature */
- DiskEntry->Modified = TRUE;
- }
- DiskEntry->BiosFound = FALSE;
-
- ListEntry = List->BiosDiskListHead.Flink;
- while(ListEntry != &List->BiosDiskListHead)
- {
- BiosDiskEntry = CONTAINING_RECORD(ListEntry, BIOSDISKENTRY, ListEntry);
- /* FIXME:
- * Compare the size from bios and the reported size from driver.
- * If we have more than one disk with a zero or with the same signatur
- * we must create new signatures and reboot. After the reboot,
- * it is possible to identify the disks.
- */
- if (BiosDiskEntry->Signature == Signature &&
- BiosDiskEntry->Checksum == Checksum &&
- !BiosDiskEntry->Recognized)
- {
- if (!DiskEntry->BiosFound)
- {
- DiskEntry->BiosDiskNumber = BiosDiskEntry->DiskNumber;
- DiskEntry->BiosFound = TRUE;
- BiosDiskEntry->Recognized = TRUE;
- }
- else
- {
- }
- }
- ListEntry = ListEntry->Flink;
- }
-
- if (!DiskEntry->BiosFound)
- {
- RtlFreeHeap(ProcessHeap, 0, DiskEntry);
- return;
- }
-
- InitializeListHead (&DiskEntry->PartListHead);
-
- DiskEntry->Cylinders = DiskGeometry.Cylinders.QuadPart;
- DiskEntry->TracksPerCylinder = DiskGeometry.TracksPerCylinder;
- DiskEntry->SectorsPerTrack = DiskGeometry.SectorsPerTrack;
- DiskEntry->BytesPerSector = DiskGeometry.BytesPerSector;
-
- DPRINT ("Cylinders %d\n", DiskEntry->Cylinders);
- DPRINT ("TracksPerCylinder %d\n", DiskEntry->TracksPerCylinder);
- DPRINT ("SectorsPerTrack %d\n", DiskEntry->SectorsPerTrack);
- DPRINT ("BytesPerSector %d\n", DiskEntry->BytesPerSector);
-
- DiskEntry->DiskSize =
- DiskGeometry.Cylinders.QuadPart *
- (ULONGLONG)DiskGeometry.TracksPerCylinder *
- (ULONGLONG)DiskGeometry.SectorsPerTrack *
- (ULONGLONG)DiskGeometry.BytesPerSector;
- DiskEntry->CylinderSize =
- (ULONGLONG)DiskGeometry.TracksPerCylinder *
- (ULONGLONG)DiskGeometry.SectorsPerTrack *
- (ULONGLONG)DiskGeometry.BytesPerSector;
- DiskEntry->TrackSize =
- (ULONGLONG)DiskGeometry.SectorsPerTrack *
- (ULONGLONG)DiskGeometry.BytesPerSector;
-
- DiskEntry->DiskNumber = DiskNumber;
- DiskEntry->Port = ScsiAddress.PortNumber;
- DiskEntry->Bus = ScsiAddress.PathId;
- DiskEntry->Id = ScsiAddress.TargetId;
-
- GetDriverName (DiskEntry);
-
- InsertAscendingList(&List->DiskListHead, DiskEntry, DISKENTRY, ListEntry, BiosDiskNumber);
-
- LayoutBuffer = (DRIVE_LAYOUT_INFORMATION*)RtlAllocateHeap (ProcessHeap,
- 0,
- 8192);
- if (LayoutBuffer == NULL)
- {
- return;
- }
-
- Status = NtDeviceIoControlFile (FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_DISK_GET_DRIVE_LAYOUT,
- NULL,
- 0,
- LayoutBuffer,
- 8192);
- if (NT_SUCCESS (Status))
- {
- if (LayoutBuffer->PartitionCount == 0)
- {
- DiskEntry->NewDisk = TRUE;
- }
-
- AddPartitionToList (DiskNumber,
- DiskEntry,
- LayoutBuffer);
-
- ScanForUnpartitionedDiskSpace (DiskEntry);
- }
-
- RtlFreeHeap (ProcessHeap,
- 0,
- LayoutBuffer);
-}
-
-
-PPARTLIST
-CreatePartitionList (SHORT Left,
- SHORT Top,
- SHORT Right,
- SHORT Bottom)
-{
- PPARTLIST List;
- OBJECT_ATTRIBUTES ObjectAttributes;
- SYSTEM_DEVICE_INFORMATION Sdi;
- IO_STATUS_BLOCK Iosb;
- ULONG ReturnSize;
- NTSTATUS Status;
- ULONG DiskNumber;
- WCHAR Buffer[MAX_PATH];
- UNICODE_STRING Name;
- HANDLE FileHandle;
-
- List = (PPARTLIST)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof (PARTLIST));
- if (List == NULL)
- return NULL;
-
- List->Left = Left;
- List->Top = Top;
- List->Right = Right;
- List->Bottom = Bottom;
-
- List->Line = 0;
-
- List->TopDisk = (ULONG)-1;
- List->TopPartition = (ULONG)-1;
-
- List->CurrentDisk = NULL;
- List->CurrentPartition = NULL;
-
- InitializeListHead (&List->DiskListHead);
- InitializeListHead (&List->BiosDiskListHead);
-
- EnumerateBiosDiskEntries(List);
-
- Status = NtQuerySystemInformation (SystemDeviceInformation,
- &Sdi,
- sizeof(SYSTEM_DEVICE_INFORMATION),
- &ReturnSize);
- if (!NT_SUCCESS (Status))
- {
- RtlFreeHeap (ProcessHeap, 0, List);
- return NULL;
- }
-
- for (DiskNumber = 0; DiskNumber < Sdi.NumberOfDisks; DiskNumber++)
- {
- swprintf (Buffer,
- L"\\Device\\Harddisk%d\\Partition0",
- DiskNumber);
- RtlInitUnicodeString (&Name,
- Buffer);
-
- InitializeObjectAttributes (&ObjectAttributes,
- &Name,
- 0,
- NULL,
- NULL);
-
- Status = NtOpenFile (&FileHandle,
- FILE_GENERIC_READ,
- &ObjectAttributes,
- &Iosb,
- FILE_SHARE_READ,
- FILE_SYNCHRONOUS_IO_NONALERT);
- if (NT_SUCCESS(Status))
- {
- AddDiskToList (FileHandle,
- DiskNumber,
- List);
-
- NtClose(FileHandle);
- }
- }
-
- AssignDriverLetters (List);
-
- List->TopDisk = 0;
- List->TopPartition = 0;
-
- /* Search for first usable disk and partition */
- if (IsListEmpty (&List->DiskListHead))
- {
- List->CurrentDisk = NULL;
- List->CurrentPartition = NULL;
- }
- else
- {
- List->CurrentDisk =
- CONTAINING_RECORD (List->DiskListHead.Flink,
- DISKENTRY,
- ListEntry);
-
- if (IsListEmpty (&List->CurrentDisk->PartListHead))
- {
- List->CurrentPartition = 0;
- }
- else
- {
- List->CurrentPartition =
- CONTAINING_RECORD (List->CurrentDisk->PartListHead.Flink,
- PARTENTRY,
- ListEntry);
- }
- }
-
- return List;
-}
-
-
-VOID
-DestroyPartitionList (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PBIOSDISKENTRY BiosDiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry;
-
- /* Release disk and partition info */
- while (!IsListEmpty (&List->DiskListHead))
- {
- Entry = RemoveHeadList (&List->DiskListHead);
- DiskEntry = CONTAINING_RECORD (Entry, DISKENTRY, ListEntry);
-
- /* Release driver name */
- RtlFreeUnicodeString(&DiskEntry->DriverName);
-
- /* Release partition array */
- while (!IsListEmpty (&DiskEntry->PartListHead))
- {
- Entry = RemoveHeadList (&DiskEntry->PartListHead);
- PartEntry = CONTAINING_RECORD (Entry, PARTENTRY, ListEntry);
-
- RtlFreeHeap (ProcessHeap,
- 0,
- PartEntry);
- }
-
- /* Release disk entry */
- RtlFreeHeap (ProcessHeap, 0, DiskEntry);
- }
-
- /* release the bios disk info */
- while(!IsListEmpty(&List->BiosDiskListHead))
- {
- Entry = RemoveHeadList(&List->BiosDiskListHead);
- BiosDiskEntry = CONTAINING_RECORD(Entry, BIOSDISKENTRY, ListEntry);
-
- RtlFreeHeap(ProcessHeap, 0, BiosDiskEntry);
- }
-
- /* Release list head */
- RtlFreeHeap (ProcessHeap, 0, List);
-}
-
-
-static VOID
-PrintEmptyLine (PPARTLIST List)
-{
- COORD coPos;
- ULONG Written;
- USHORT Width;
- USHORT Height;
-
- Width = List->Right - List->Left - 1;
- Height = List->Bottom - List->Top - 2;
-
-
- coPos.X = List->Left + 1;
- coPos.Y = List->Top + 1 + List->Line;
-
- if (List->Line >= 0 && List->Line <= Height)
- {
- FillConsoleOutputAttribute (0x17,
- Width,
- coPos,
- &Written);
-
- FillConsoleOutputCharacter (' ',
- Width,
- coPos,
- &Written);
- }
- List->Line++;
-}
-
-
-static VOID
-PrintPartitionData (PPARTLIST List,
- PDISKENTRY DiskEntry,
- PPARTENTRY PartEntry)
-{
- CHAR LineBuffer[128];
- COORD coPos;
- ULONG Written;
- USHORT Width;
- USHORT Height;
-
- ULONGLONG PartSize;
- PCHAR Unit;
- UCHAR Attribute;
- PCHAR PartType;
-
- Width = List->Right - List->Left - 1;
- Height = List->Bottom - List->Top - 2;
-
-
- coPos.X = List->Left + 1;
- coPos.Y = List->Top + 1 + List->Line;
-
- if (PartEntry->Unpartitioned == TRUE)
- {
-#if 0
- if (PartEntry->UnpartitionledLength >= 0x280000000ULL) /* 10 GB */
- {
- PartSize = (PartEntry->UnpartitionedLength + (1 << 29)) >> 30;
- Unit = "GB";
- }
- else
-#endif
- if (PartEntry->UnpartitionedLength >= 0xA00000ULL) /* 10 MB */
- {
- PartSize = (PartEntry->UnpartitionedLength + (1 << 19)) >> 20;
- Unit = "MB";
- }
- else
- {
- PartSize = (PartEntry->UnpartitionedLength + (1 << 9)) >> 10;
- Unit = "KB";
- }
-
- sprintf (LineBuffer,
- " Unpartitioned space %6I64u %s",
- PartSize,
- Unit);
- }
- else
- {
- /* Determine partition type */
- PartType = NULL;
- if (PartEntry->New == TRUE)
- {
- PartType = "New (Unformatted)";
- }
- else if (PartEntry->Unpartitioned == FALSE)
- {
- if ((PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_12) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT_16) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_HUGE) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_XINT13))
- {
- PartType = "FAT";
- }
- else if ((PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32) ||
- (PartEntry->PartInfo[0].PartitionType == PARTITION_FAT32_XINT13))
- {
- PartType = "FAT32";
- }
- else if (PartEntry->PartInfo[0].PartitionType == PARTITION_IFS)
- {
- PartType = "NTFS"; /* FIXME: Not quite correct! */
- }
- }
-
-#if 0
- if (PartEntry->PartInfo[0].PartitionLength.QuadPart >= 0x280000000LL) /* 10 GB */
- {
- PartSize = (PartEntry->PartInfo[0].PartitionLength.QuadPart + (1 << 29)) >> 30;
- Unit = "GB";
- }
- else
-#endif
- if (PartEntry->PartInfo[0].PartitionLength.QuadPart >= 0xA00000LL) /* 10 MB */
- {
- PartSize = (PartEntry->PartInfo[0].PartitionLength.QuadPart + (1 << 19)) >> 20;
- Unit = "MB";
- }
- else
- {
- PartSize = (PartEntry->PartInfo[0].PartitionLength.QuadPart + (1 << 9)) >> 10;
- Unit = "KB";
- }
-
- if (PartType == NULL)
- {
- sprintf (LineBuffer,
- "%c%c Type %-3u %6I64u %s",
- (PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
- (PartEntry->DriveLetter == 0) ? '-' : ':',
- PartEntry->PartInfo[0].PartitionType,
- PartSize,
- Unit);
- }
- else
- {
- sprintf (LineBuffer,
- "%c%c %-24s %6I64u %s",
- (PartEntry->DriveLetter == 0) ? '-' : PartEntry->DriveLetter,
- (PartEntry->DriveLetter == 0) ? '-' : ':',
- PartType,
- PartSize,
- Unit);
- }
- }
-
- Attribute = (List->CurrentDisk == DiskEntry &&
- List->CurrentPartition == PartEntry) ? 0x71 : 0x17;
-
- if (List->Line >= 0 && List->Line <= Height)
- {
- FillConsoleOutputCharacter (' ',
- Width,
- coPos,
- &Written);
- }
- coPos.X += 4;
- Width -= 8;
- if (List->Line >= 0 && List->Line <= Height)
- {
- FillConsoleOutputAttribute (Attribute,
- Width,
- coPos,
- &Written);
- }
- coPos.X++;
- Width -= 2;
- if (List->Line >= 0 && List->Line <= Height)
- {
- WriteConsoleOutputCharacters (LineBuffer,
- min (strlen (LineBuffer), Width),
- coPos);
- }
- List->Line++;
-}
-
-
-static VOID
-PrintDiskData (PPARTLIST List,
- PDISKENTRY DiskEntry)
-{
- PPARTENTRY PartEntry;
- CHAR LineBuffer[128];
- COORD coPos;
- ULONG Written;
- USHORT Width;
- USHORT Height;
- ULONGLONG DiskSize;
- PCHAR Unit;
-
- Width = List->Right - List->Left - 1;
- Height = List->Bottom - List->Top - 2;
-
-
- coPos.X = List->Left + 1;
- coPos.Y = List->Top + 1 + List->Line;
-
-#if 0
- if (DiskEntry->DiskSize >= 0x280000000ULL) /* 10 GB */
- {
- DiskSize = (DiskEntry->DiskSize + (1 << 29)) >> 30;
- Unit = "GB";
- }
- else
-#endif
- {
- DiskSize = (DiskEntry->DiskSize + (1 << 19)) >> 20;
- if (DiskSize == 0)
- DiskSize = 1;
- Unit = "MB";
- }
-
- if (DiskEntry->DriverName.Length > 0)
- {
- sprintf (LineBuffer,
- "%6I64u %s Harddisk %lu (Port=%hu, Bus=%hu, Id=%hu) on %wZ",
- DiskSize,
- Unit,
- DiskEntry->DiskNumber,
- DiskEntry->Port,
- DiskEntry->Bus,
- DiskEntry->Id,
- &DiskEntry->DriverName);
- }
- else
- {
- sprintf (LineBuffer,
- "%6I64u %s Harddisk %lu (Port=%hu, Bus=%hu, Id=%hu)",
- DiskSize,
- Unit,
- DiskEntry->DiskNumber,
- DiskEntry->Port,
- DiskEntry->Bus,
- DiskEntry->Id);
- }
- if (List->Line >= 0 && List->Line <= Height)
- {
- FillConsoleOutputAttribute (0x17,
- Width,
- coPos,
- &Written);
-
- FillConsoleOutputCharacter (' ',
- Width,
- coPos,
- &Written);
- }
-
- coPos.X++;
- if (List->Line >= 0 && List->Line <= Height)
- {
- WriteConsoleOutputCharacters (LineBuffer,
- min (strlen (LineBuffer), Width - 2),
- coPos);
- }
- List->Line++;
-
- /* Print separator line */
- PrintEmptyLine (List);
-
- /* Print partition lines*/
- LIST_FOR_EACH(PartEntry, &DiskEntry->PartListHead, PARTENTRY, ListEntry)
- {
- /* Print disk entry */
- PrintPartitionData (List,
- DiskEntry,
- PartEntry);
- }
-
- /* Print separator line */
- PrintEmptyLine (List);
-}
-
-
-VOID
-DrawPartitionList (PPARTLIST List)
-{
- PLIST_ENTRY Entry, Entry2;
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry = NULL;
- COORD coPos;
- ULONG Written;
- SHORT i;
- SHORT CurrentDiskLine;
- SHORT CurrentPartLine;
- SHORT LastLine;
- BOOL CurrentPartLineFound = FALSE;
- BOOL CurrentDiskLineFound = FALSE;
-
- /* Calculate the line of the current disk and partition */
- CurrentDiskLine = 0;
- CurrentPartLine = 0;
- LastLine = 0;
- Entry = List->DiskListHead.Flink;
- while (Entry != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry, DISKENTRY, ListEntry);
- LastLine += 2;
- if (CurrentPartLineFound == FALSE)
- {
- CurrentPartLine += 2;
- }
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
- if (PartEntry == List->CurrentPartition)
- {
- CurrentPartLineFound = TRUE;
- }
- Entry2 = Entry2->Flink;
- if (CurrentPartLineFound == FALSE)
- {
- CurrentPartLine++;
- }
- LastLine++;
- }
- if (DiskEntry == List->CurrentDisk)
- {
- CurrentDiskLineFound = TRUE;
- }
- Entry = Entry->Flink;
- if (Entry != &List->DiskListHead)
- {
- if (CurrentDiskLineFound == FALSE)
- {
- CurrentPartLine ++;
- CurrentDiskLine = CurrentPartLine;
- }
- LastLine++;
- }
- else
- {
- LastLine--;
- }
- }
-
- /* If it possible, make the disk name visible */
- if (CurrentPartLine < List->Offset)
- {
- List->Offset = CurrentPartLine;
- }
- else if (CurrentPartLine - List->Offset > List->Bottom - List->Top - 2)
- {
- List->Offset = CurrentPartLine - (List->Bottom - List->Top - 2);
- }
- if (CurrentDiskLine < List->Offset && CurrentPartLine - CurrentDiskLine < List->Bottom - List->Top - 2)
- {
- List->Offset = CurrentDiskLine;
- }
-
-
- /* draw upper left corner */
- coPos.X = List->Left;
- coPos.Y = List->Top;
- FillConsoleOutputCharacter (0xDA, // '+',
- 1,
- coPos,
- &Written);
-
- /* draw upper edge */
- coPos.X = List->Left + 1;
- coPos.Y = List->Top;
- if (List->Offset == 0)
- {
- FillConsoleOutputCharacter (0xC4, // '-',
- List->Right - List->Left - 1,
- coPos,
- &Written);
- }
- else
- {
- FillConsoleOutputCharacter (0xC4, // '-',
- List->Right - List->Left - 5,
- coPos,
- &Written);
- coPos.X = List->Right - 5;
- WriteConsoleOutputCharacters ("(\x18)", // "(up)"
- 3,
- coPos);
- coPos.X = List->Right - 2;
- FillConsoleOutputCharacter (0xC4, // '-',
- 2,
- coPos,
- &Written);
- }
-
- /* draw upper right corner */
- coPos.X = List->Right;
- coPos.Y = List->Top;
- FillConsoleOutputCharacter (0xBF, // '+',
- 1,
- coPos,
- &Written);
-
- /* draw left and right edge */
- for (i = List->Top + 1; i < List->Bottom; i++)
- {
- coPos.X = List->Left;
- coPos.Y = i;
- FillConsoleOutputCharacter (0xB3, // '|',
- 1,
- coPos,
- &Written);
-
- coPos.X = List->Right;
- FillConsoleOutputCharacter (0xB3, //'|',
- 1,
- coPos,
- &Written);
- }
-
- /* draw lower left corner */
- coPos.X = List->Left;
- coPos.Y = List->Bottom;
- FillConsoleOutputCharacter (0xC0, // '+',
- 1,
- coPos,
- &Written);
-
- /* draw lower edge */
- coPos.X = List->Left + 1;
- coPos.Y = List->Bottom;
- if (LastLine - List->Offset <= List->Bottom - List->Top - 2)
- {
- FillConsoleOutputCharacter (0xC4, // '-',
- List->Right - List->Left - 1,
- coPos,
- &Written);
- }
- else
- {
- FillConsoleOutputCharacter (0xC4, // '-',
- List->Right - List->Left - 5,
- coPos,
- &Written);
- coPos.X = List->Right - 5;
- WriteConsoleOutputCharacters ("(\x19)", // "(down)"
- 3,
- coPos);
- coPos.X = List->Right - 2;
- FillConsoleOutputCharacter (0xC4, // '-',
- 2,
- coPos,
- &Written);
- }
-
- /* draw lower right corner */
- coPos.X = List->Right;
- coPos.Y = List->Bottom;
- FillConsoleOutputCharacter (0xD9, // '+',
- 1,
- coPos,
- &Written);
-
- /* print list entries */
- List->Line = - List->Offset;
-
- LIST_FOR_EACH(DiskEntry, &List->DiskListHead, DISKENTRY, ListEntry)
- {
- /* Print disk entry */
- PrintDiskData (List,
- DiskEntry);
- }
-}
-
-
-VOID
-SelectPartition(PPARTLIST List, ULONG DiskNumber, ULONG PartitionNumber)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- ULONG i;
-
- /* Check for empty disks */
- if (IsListEmpty (&List->DiskListHead))
- return;
-
- /* Check for first usable entry on next disk */
- Entry1 = List->CurrentDisk->ListEntry.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1, DISKENTRY, ListEntry);
-
- if (DiskEntry->DiskNumber == DiskNumber)
- {
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
-
- for (i = 0; i < 4; i++)
- {
- if (PartEntry->PartInfo[i].PartitionNumber == PartitionNumber)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
- DrawPartitionList (List);
- return;
- }
- }
- Entry2 = Entry2->Flink;
- }
- return;
- }
- Entry1 = Entry1->Flink;
- }
-}
-
-
-VOID
-ScrollDownPartitionList (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
-
- /* Check for empty disks */
- if (IsListEmpty (&List->DiskListHead))
- return;
-
- /* Check for next usable entry on current disk */
- if (List->CurrentPartition != NULL)
- {
- Entry2 = List->CurrentPartition->ListEntry.Flink;
- while (Entry2 != &List->CurrentDisk->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
-
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentPartition = PartEntry;
- DrawPartitionList (List);
- return;
- }
- Entry2 = Entry2->Flink;
- }
- }
-
- /* Check for first usable entry on next disk */
- if (List->CurrentDisk != NULL)
- {
- Entry1 = List->CurrentDisk->ListEntry.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1, DISKENTRY, ListEntry);
-
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
-
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
- DrawPartitionList (List);
- return;
- }
-
- Entry2 = Entry2->Flink;
- }
-
- Entry1 = Entry1->Flink;
- }
- }
-}
-
-
-VOID
-ScrollUpPartitionList (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
-
- /* Check for empty disks */
- if (IsListEmpty (&List->DiskListHead))
- return;
-
- /* check for previous usable entry on current disk */
- if (List->CurrentPartition != NULL)
- {
- Entry2 = List->CurrentPartition->ListEntry.Blink;
- while (Entry2 != &List->CurrentDisk->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
-
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentPartition = PartEntry;
- DrawPartitionList (List);
- return;
- }
- Entry2 = Entry2->Blink;
- }
- }
-
-
- /* check for last usable entry on previous disk */
- if (List->CurrentDisk != NULL)
- {
- Entry1 = List->CurrentDisk->ListEntry.Blink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1, DISKENTRY, ListEntry);
-
- Entry2 = DiskEntry->PartListHead.Blink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2, PARTENTRY, ListEntry);
-
-// if (PartEntry->HidePartEntry == FALSE)
- {
- List->CurrentDisk = DiskEntry;
- List->CurrentPartition = PartEntry;
- DrawPartitionList (List);
- return;
- }
-
- Entry2 = Entry2->Blink;
- }
-
- Entry1 = Entry1->Blink;
- }
- }
-}
-
-
-static PPARTENTRY
-GetPrevPartitionedEntry (PDISKENTRY DiskEntry,
- PPARTENTRY CurrentEntry)
-{
- PPARTENTRY PrevEntry;
- PLIST_ENTRY Entry;
-
- if (CurrentEntry->ListEntry.Blink == &DiskEntry->PartListHead)
- return NULL;
-
- Entry = CurrentEntry->ListEntry.Blink;
- while (Entry != &DiskEntry->PartListHead)
- {
- PrevEntry = CONTAINING_RECORD (Entry,
- PARTENTRY,
- ListEntry);
- if (PrevEntry->Unpartitioned == FALSE)
- return PrevEntry;
-
- Entry = Entry->Blink;
- }
-
- return NULL;
-}
-
-
-static PPARTENTRY
-GetNextPartitionedEntry (PDISKENTRY DiskEntry,
- PPARTENTRY CurrentEntry)
-{
- PPARTENTRY NextEntry;
- PLIST_ENTRY Entry;
-
- if (CurrentEntry->ListEntry.Flink == &DiskEntry->PartListHead)
- return NULL;
-
- Entry = CurrentEntry->ListEntry.Flink;
- while (Entry != &DiskEntry->PartListHead)
- {
- NextEntry = CONTAINING_RECORD (Entry,
- PARTENTRY,
- ListEntry);
- if (NextEntry->Unpartitioned == FALSE)
- return NextEntry;
-
- Entry = Entry->Flink;
- }
-
- return NULL;
-}
-
-
-static PPARTENTRY
-GetPrevUnpartitionedEntry (PDISKENTRY DiskEntry,
- PPARTENTRY PartEntry)
-{
- PPARTENTRY PrevPartEntry;
-
- if (PartEntry->ListEntry.Blink != &DiskEntry->PartListHead)
- {
- PrevPartEntry = CONTAINING_RECORD (PartEntry->ListEntry.Blink,
- PARTENTRY,
- ListEntry);
- if (PrevPartEntry->Unpartitioned == TRUE)
- return PrevPartEntry;
- }
-
- return NULL;
-}
-
-
-static PPARTENTRY
-GetNextUnpartitionedEntry (PDISKENTRY DiskEntry,
- PPARTENTRY PartEntry)
-{
- PPARTENTRY NextPartEntry;
-
- if (PartEntry->ListEntry.Flink != &DiskEntry->PartListHead)
- {
- NextPartEntry = CONTAINING_RECORD (PartEntry->ListEntry.Flink,
- PARTENTRY,
- ListEntry);
- if (NextPartEntry->Unpartitioned == TRUE)
- return NextPartEntry;
- }
-
- return NULL;
-}
-
-
-VOID
-CreateNewPartition (PPARTLIST List,
- ULONGLONG PartitionSize,
- BOOLEAN AutoCreate)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PPARTENTRY PrevPartEntry;
- PPARTENTRY NextPartEntry;
- PPARTENTRY NewPartEntry;
-
- if (List == NULL ||
- List->CurrentDisk == NULL ||
- List->CurrentPartition == NULL ||
- List->CurrentPartition->Unpartitioned == FALSE)
- {
- return;
- }
-
- DiskEntry = List->CurrentDisk;
- PartEntry = List->CurrentPartition;
-
- if (AutoCreate == TRUE ||
- PartitionSize == PartEntry->UnpartitionedLength)
- {
- /* Convert current entry to 'new (unformatted)' */
- PartEntry->FormatState = Unformatted;
- PartEntry->PartInfo[0].StartingOffset.QuadPart =
- PartEntry->UnpartitionedOffset + DiskEntry->TrackSize;
- PartEntry->PartInfo[0].PartitionLength.QuadPart =
- PartEntry->UnpartitionedLength - DiskEntry->TrackSize;
- PartEntry->PartInfo[0].PartitionType = PARTITION_ENTRY_UNUSED;
- PartEntry->PartInfo[0].BootIndicator = FALSE; /* FIXME */
- PartEntry->PartInfo[0].RewritePartition = TRUE;
- PartEntry->PartInfo[1].RewritePartition = TRUE;
- PartEntry->PartInfo[2].RewritePartition = TRUE;
- PartEntry->PartInfo[3].RewritePartition = TRUE;
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry (DiskEntry,
- PartEntry);
- NextPartEntry = GetNextPartitionedEntry (DiskEntry,
- PartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Current entry is in the middle of the list */
-
- /* Copy previous container partition data to current entry */
- RtlCopyMemory (&PartEntry->PartInfo[1],
- &PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PartEntry->PartInfo[1].RewritePartition = TRUE;
-
- /* Update previous container partition data */
-
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
-
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /* Current entry is the first entry */
- return;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Current entry is the last entry */
-
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
-
- if ((PartEntry->PartInfo[1].StartingOffset.QuadPart +
- PartEntry->PartInfo[1].PartitionLength.QuadPart) <
- (1024LL * 255LL * 63LL * 512LL))
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_EXTENDED;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_XINT13_EXTENDED;
- }
-
- PrevPartEntry->PartInfo[1].BootIndicator = FALSE;
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
-
- PartEntry->AutoCreate = AutoCreate;
- PartEntry->New = TRUE;
- PartEntry->Unpartitioned = FALSE;
- PartEntry->UnpartitionedOffset = 0ULL;
- PartEntry->UnpartitionedLength = 0ULL;
- }
- else
- {
- /* Insert an initialize a new partition entry */
- NewPartEntry = (PPARTENTRY)RtlAllocateHeap (ProcessHeap,
- 0,
- sizeof(PARTENTRY));
- if (NewPartEntry == NULL)
- return;
-
- RtlZeroMemory (NewPartEntry,
- sizeof(PARTENTRY));
-
- /* Insert the new entry into the list */
- InsertTailList (&PartEntry->ListEntry,
- &NewPartEntry->ListEntry);
-
- NewPartEntry->New = TRUE;
-
- NewPartEntry->FormatState = Unformatted;
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart =
- PartEntry->UnpartitionedOffset + DiskEntry->TrackSize;
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart =
- PartitionSize - DiskEntry->TrackSize;
- NewPartEntry->PartInfo[0].PartitionType = PARTITION_ENTRY_UNUSED;
- NewPartEntry->PartInfo[0].BootIndicator = FALSE; /* FIXME */
- NewPartEntry->PartInfo[0].RewritePartition = TRUE;
- NewPartEntry->PartInfo[1].RewritePartition = TRUE;
- NewPartEntry->PartInfo[2].RewritePartition = TRUE;
- NewPartEntry->PartInfo[3].RewritePartition = TRUE;
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry (DiskEntry,
- NewPartEntry);
- NextPartEntry = GetNextPartitionedEntry (DiskEntry,
- NewPartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Current entry is in the middle of the list */
-
- /* Copy previous container partition data to current entry */
- RtlCopyMemory (&NewPartEntry->PartInfo[1],
- &PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- NewPartEntry->PartInfo[1].RewritePartition = TRUE;
-
- /* Update previous container partition data */
-
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
-
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /* Current entry is the first entry */
- return;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Current entry is the last entry */
-
- PrevPartEntry->PartInfo[1].StartingOffset.QuadPart =
- NewPartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
-
- if (DiskEntry->PartListHead.Flink == &PrevPartEntry->ListEntry)
- {
- /* Special case - previous partition is first partition */
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- DiskEntry->DiskSize - PrevPartEntry->PartInfo[1].StartingOffset.QuadPart;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionLength.QuadPart =
- NewPartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
- }
-
- if ((PartEntry->PartInfo[1].StartingOffset.QuadPart +
- PartEntry->PartInfo[1].PartitionLength.QuadPart) <
- (1024LL * 255LL * 63LL * 512LL))
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_EXTENDED;
- }
- else
- {
- PrevPartEntry->PartInfo[1].PartitionType = PARTITION_XINT13_EXTENDED;
- }
-
- PrevPartEntry->PartInfo[1].BootIndicator = FALSE;
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
-
- /* Update offset and size of the remaining unpartitioned disk space */
- PartEntry->UnpartitionedOffset += PartitionSize;
- PartEntry->UnpartitionedLength -= PartitionSize;
- }
-
- DiskEntry->Modified = TRUE;
-
- UpdatePartitionNumbers (DiskEntry);
-
- AssignDriverLetters (List);
-}
-
-
-VOID
-DeleteCurrentPartition (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PPARTENTRY PrevPartEntry;
- PPARTENTRY NextPartEntry;
-
- if (List == NULL ||
- List->CurrentDisk == NULL ||
- List->CurrentPartition == NULL ||
- List->CurrentPartition->Unpartitioned == TRUE)
- {
- return;
- }
-
- DiskEntry = List->CurrentDisk;
- PartEntry = List->CurrentPartition;
-
- /* Adjust container partition entries */
-
- /* Get previous and next partition entries */
- PrevPartEntry = GetPrevPartitionedEntry (DiskEntry,
- PartEntry);
- NextPartEntry = GetNextPartitionedEntry (DiskEntry,
- PartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Current entry is in the middle of the list */
-
- /*
- * The first extended partition can not be deleted
- * as long as other extended partitions are present.
- */
- if (PrevPartEntry->ListEntry.Blink == &DiskEntry->PartListHead)
- return;
-
- /* Copy previous container partition data to current entry */
- RtlCopyMemory (&PrevPartEntry->PartInfo[1],
- &PartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /*
- * A primary partition can not be deleted as long as
- * extended partitions are present.
- */
- return;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Current entry is the last entry */
- RtlZeroMemory (&PrevPartEntry->PartInfo[1],
- sizeof(PARTITION_INFORMATION));
- PrevPartEntry->PartInfo[1].RewritePartition = TRUE;
- }
-
-
- /* Adjust unpartitioned disk space entries */
-
- /* Get pointer to previous and next unpartitioned entries */
- PrevPartEntry = GetPrevUnpartitionedEntry (DiskEntry,
- PartEntry);
-
- NextPartEntry = GetNextUnpartitionedEntry (DiskEntry,
- PartEntry);
-
- if (PrevPartEntry != NULL && NextPartEntry != NULL)
- {
- /* Merge previous, current and next unpartitioned entry */
-
- /* Adjust the previous entries length */
- PrevPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize +
- NextPartEntry->UnpartitionedLength);
-
- /* Remove the current entry */
- RemoveEntryList (&PartEntry->ListEntry);
- RtlFreeHeap (ProcessHeap,
- 0,
- PartEntry);
-
- /* Remove the next entry */
- RemoveEntryList (&NextPartEntry->ListEntry);
- RtlFreeHeap (ProcessHeap,
- 0,
- NextPartEntry);
-
- /* Update current partition */
- List->CurrentPartition = PrevPartEntry;
- }
- else if (PrevPartEntry != NULL && NextPartEntry == NULL)
- {
- /* Merge current and previous unpartitioned entry */
-
- /* Adjust the previous entries length */
- PrevPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize);
-
- /* Remove the current entry */
- RemoveEntryList (&PartEntry->ListEntry);
- RtlFreeHeap (ProcessHeap,
- 0,
- PartEntry);
-
- /* Update current partition */
- List->CurrentPartition = PrevPartEntry;
- }
- else if (PrevPartEntry == NULL && NextPartEntry != NULL)
- {
- /* Merge current and next unpartitioned entry */
-
- /* Adjust the next entries offset and length */
- NextPartEntry->UnpartitionedOffset =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- NextPartEntry->UnpartitionedLength +=
- (PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize);
-
- /* Remove the current entry */
- RemoveEntryList (&PartEntry->ListEntry);
- RtlFreeHeap (ProcessHeap,
- 0,
- PartEntry);
-
- /* Update current partition */
- List->CurrentPartition = NextPartEntry;
- }
- else
- {
- /* Nothing to merge but change current entry */
- PartEntry->New = FALSE;
- PartEntry->Unpartitioned = TRUE;
- PartEntry->UnpartitionedOffset =
- PartEntry->PartInfo[0].StartingOffset.QuadPart - DiskEntry->TrackSize;
- PartEntry->UnpartitionedLength =
- PartEntry->PartInfo[0].PartitionLength.QuadPart + DiskEntry->TrackSize;
-
- /* Wipe the partition table */
- RtlZeroMemory (&PartEntry->PartInfo,
- sizeof(PartEntry->PartInfo));
- }
-
- DiskEntry->Modified = TRUE;
-
- UpdatePartitionNumbers (DiskEntry);
-
- AssignDriverLetters (List);
-}
-
-
-VOID
-CheckActiveBootPartition (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
-
- /* Check for empty disk list */
- if (IsListEmpty (&List->DiskListHead))
- {
- List->ActiveBootDisk = NULL;
- List->ActiveBootPartition = NULL;
- return;
- }
-
-#if 0
- if (List->ActiveBootDisk != NULL &&
- List->ActiveBootPartition != NULL)
- {
- /* We already have an active boot partition */
- return;
- }
-#endif
-
- DiskEntry = CONTAINING_RECORD (List->DiskListHead.Flink,
- DISKENTRY,
- ListEntry);
-
- /* Check for empty partition list */
- if (IsListEmpty (&DiskEntry->PartListHead))
- {
- List->ActiveBootDisk = NULL;
- List->ActiveBootPartition = NULL;
- return;
- }
-
- PartEntry = CONTAINING_RECORD (DiskEntry->PartListHead.Flink,
- PARTENTRY,
- ListEntry);
-
- /* Set active boot partition */
- if ((DiskEntry->NewDisk == TRUE) ||
- (PartEntry->PartInfo[0].BootIndicator == FALSE &&
- PartEntry->PartInfo[1].BootIndicator == FALSE &&
- PartEntry->PartInfo[2].BootIndicator == FALSE &&
- PartEntry->PartInfo[3].BootIndicator == FALSE))
- {
- PartEntry->PartInfo[0].BootIndicator = TRUE;
- PartEntry->PartInfo[0].RewritePartition = TRUE;
- DiskEntry->Modified = TRUE;
- }
-
- /* FIXME: Might be incorrect if partitions were created by Linux FDISK */
- List->ActiveBootDisk = DiskEntry;
- List->ActiveBootPartition = PartEntry;
-}
-
-
-BOOLEAN
-CheckForLinuxFdiskPartitions (PPARTLIST List)
-{
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- ULONG PartitionCount;
- ULONG i;
-
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1,
- DISKENTRY,
- ListEntry);
-
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2,
- PARTENTRY,
- ListEntry);
-
- if (PartEntry->Unpartitioned == FALSE)
- {
- PartitionCount = 0;
-
- for (i = 0; i < 4; i++)
- {
- if (!IsContainerPartition (PartEntry->PartInfo[i].PartitionType) &&
- PartEntry->PartInfo[i].PartitionLength.QuadPart != 0ULL)
- {
- PartitionCount++;
- }
- }
-
- if (PartitionCount > 1)
- {
- return TRUE;
- }
- }
-
- Entry2 = Entry2->Flink;
- }
-
- Entry1 = Entry1->Flink;
- }
-
- return FALSE;
-}
-
-
-BOOLEAN
-WritePartitionsToDisk (PPARTLIST List)
-{
- PDRIVE_LAYOUT_INFORMATION DriveLayout;
- OBJECT_ATTRIBUTES ObjectAttributes;
- IO_STATUS_BLOCK Iosb;
- WCHAR SrcPath[MAX_PATH];
- WCHAR DstPath[MAX_PATH];
- UNICODE_STRING Name;
- HANDLE FileHandle;
- PDISKENTRY DiskEntry1;
- PDISKENTRY DiskEntry2;
- PPARTENTRY PartEntry;
- PLIST_ENTRY Entry1;
- PLIST_ENTRY Entry2;
- ULONG PartitionCount;
- ULONG DriveLayoutSize;
- ULONG Index;
- NTSTATUS Status;
-
- if (List == NULL)
- {
- return TRUE;
- }
-
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry1 = CONTAINING_RECORD (Entry1,
- DISKENTRY,
- ListEntry);
-
- if (DiskEntry1->Modified == TRUE)
- {
- /* Count partitioned entries */
- PartitionCount = 0;
- Entry2 = DiskEntry1->PartListHead.Flink;
- while (Entry2 != &DiskEntry1->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2,
- PARTENTRY,
- ListEntry);
- if (PartEntry->Unpartitioned == FALSE)
- {
- PartitionCount += 4;
- }
-
- Entry2 = Entry2->Flink;
- }
- if (PartitionCount == 0)
- {
- DriveLayoutSize = sizeof (DRIVE_LAYOUT_INFORMATION) +
- ((4 - 1) * sizeof (PARTITION_INFORMATION));
- }
- else
- {
- DriveLayoutSize = sizeof (DRIVE_LAYOUT_INFORMATION) +
- ((PartitionCount - 1) * sizeof (PARTITION_INFORMATION));
- }
- DriveLayout = (PDRIVE_LAYOUT_INFORMATION)RtlAllocateHeap (ProcessHeap,
- 0,
- DriveLayoutSize);
- if (DriveLayout == NULL)
- {
- DPRINT1 ("RtlAllocateHeap() failed\n");
- return FALSE;
- }
-
- RtlZeroMemory (DriveLayout,
- DriveLayoutSize);
-
- if (PartitionCount == 0)
- {
- /* delete all partitions in the mbr */
- DriveLayout->PartitionCount = 4;
- for (Index = 0; Index < 4; Index++)
- {
- DriveLayout->PartitionEntry[Index].RewritePartition = TRUE;
- }
- }
- else
- {
- DriveLayout->PartitionCount = PartitionCount;
-
- Index = 0;
- Entry2 = DiskEntry1->PartListHead.Flink;
- while (Entry2 != &DiskEntry1->PartListHead)
- {
- PartEntry = CONTAINING_RECORD (Entry2,
- PARTENTRY,
- ListEntry);
- if (PartEntry->Unpartitioned == FALSE)
- {
- RtlCopyMemory (&DriveLayout->PartitionEntry[Index],
- &PartEntry->PartInfo[0],
- 4 * sizeof (PARTITION_INFORMATION));
- Index += 4;
- }
-
- Entry2 = Entry2->Flink;
- }
- }
- if (DiskEntry1->Signature == 0)
- {
- LARGE_INTEGER SystemTime;
- TIME_FIELDS TimeFields;
- PUCHAR Buffer;
- Buffer = (PUCHAR)&DiskEntry1->Signature;
-
- while (1)
- {
- NtQuerySystemTime (&SystemTime);
- RtlTimeToTimeFields (&SystemTime, &TimeFields);
-
- Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour & 0xFF);
- Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute & 0xFF);
- Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second & 0xFF);
- Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds & 0xFF);
-
- if (DiskEntry1->Signature == 0)
- {
- continue;
- }
-
- /* check if the signature already exist */
- /* FIXME:
- * Check also signatures from disks, which are
- * not visible (bootable) by the bios.
- */
- Entry2 = List->DiskListHead.Flink;
- while (Entry2 != &List->DiskListHead)
- {
- DiskEntry2 = CONTAINING_RECORD(Entry2, DISKENTRY, ListEntry);
- if (DiskEntry1 != DiskEntry2 &&
- DiskEntry1->Signature == DiskEntry2->Signature)
- {
- break;
- }
- Entry2 = Entry2->Flink;
- }
- if (Entry2 == &List->DiskListHead)
- {
- break;
- }
- }
-
- /* set one partition entry to dirty, this will update the signature */
- DriveLayout->PartitionEntry[0].RewritePartition = TRUE;
-
- }
-
- DriveLayout->Signature = DiskEntry1->Signature;
-
-
- swprintf (DstPath,
- L"\\Device\\Harddisk%d\\Partition0",
- DiskEntry1->DiskNumber);
- RtlInitUnicodeString (&Name,
- DstPath);
- InitializeObjectAttributes (&ObjectAttributes,
- &Name,
- 0,
- NULL,
- NULL);
-
- Status = NtOpenFile (&FileHandle,
- FILE_ALL_ACCESS,
- &ObjectAttributes,
- &Iosb,
- 0,
- FILE_SYNCHRONOUS_IO_NONALERT);
-
- if (!NT_SUCCESS (Status))
- {
- DPRINT1 ("NtOpenFile() failed (Status %lx)\n", Status);
- return FALSE;
- }
-
- Status = NtDeviceIoControlFile (FileHandle,
- NULL,
- NULL,
- NULL,
- &Iosb,
- IOCTL_DISK_SET_DRIVE_LAYOUT,
- DriveLayout,
- DriveLayoutSize,
- NULL,
- 0);
- if (!NT_SUCCESS (Status))
- {
- DPRINT1 ("NtDeviceIoControlFile() failed (Status %lx)\n", Status);
- NtClose (FileHandle);
- return FALSE;
- }
-
- RtlFreeHeap (ProcessHeap,
- 0,
- DriveLayout);
-
- NtClose (FileHandle);
-
- /* Install MBR code if the disk is new */
- if (DiskEntry1->NewDisk == TRUE &&
- DiskEntry1->BiosDiskNumber == 0)
- {
- wcscpy (SrcPath, SourceRootPath.Buffer);
- wcscat (SrcPath, L"\\loader\\dosmbr.bin");
-
- DPRINT ("Install MBR bootcode: %S ==> %S\n",
- SrcPath, DstPath);
-
- /* Install MBR bootcode */
- Status = InstallMbrBootCodeToDisk (SrcPath,
- DstPath);
- if (!NT_SUCCESS (Status))
- {
- DPRINT1 ("InstallMbrBootCodeToDisk() failed (Status %lx)\n",
- Status);
- return FALSE;
- }
-
- DiskEntry1->NewDisk = FALSE;
- }
- }
-
- Entry1 = Entry1->Flink;
- }
-
- return TRUE;
-}
-
-BOOL SetMountedDeviceValues(PPARTLIST List)
-{
- PLIST_ENTRY Entry1, Entry2;
- PDISKENTRY DiskEntry;
- PPARTENTRY PartEntry;
-
- if (List == NULL)
- {
- return FALSE;
- }
-
- Entry1 = List->DiskListHead.Flink;
- while (Entry1 != &List->DiskListHead)
- {
- DiskEntry = CONTAINING_RECORD (Entry1,
- DISKENTRY,
- ListEntry);
-
- Entry2 = DiskEntry->PartListHead.Flink;
- while (Entry2 != &DiskEntry->PartListHead)
- {
- PartEntry = CONTAINING_RECORD(Entry2, PARTENTRY, ListEntry);
- if (!PartEntry->Unpartitioned && PartEntry->DriveLetter)
- {
- if (!SetMountedDeviceValue(PartEntry->DriveLetter, DiskEntry->Signature, PartEntry->PartInfo[0].StartingOffset))
- {
- return FALSE;
- }
- }
- Entry2 = Entry2->Flink;
- }
- Entry1 = Entry1->Flink;
- }
- return TRUE;
-}
-
-
-
-/* EOF */