private static (long, uint) GetDiskProperties(string deviceName)
{
var x = new DISK_GEOMETRY_EX();
Execute(ref x, DISK_GET_DRIVE_GEOMETRY_EX, deviceName);
return(x.DiskSize, x.Geometry.BytesPerSector);
}
public static long GetDiskSectorSize(string deviceName)
{
var x = new DISK_GEOMETRY_EX();
Execute(ref x, DISK_GET_DRIVE_GEOMETRY_EX, deviceName);
return(x.Geometry.BytesPerSector);
}
public static long GetDiskLength(string deviceName)
{
var x = new DISK_GEOMETRY_EX();
Execute(ref x, DISK_GET_DRIVE_GEOMETRY_EX, deviceName);
return(x.DiskSize);
}
DiskGeometry(String deviceName)
{
var x = new DISK_GEOMETRY_EX();
IoCtl.Execute(ref x, IoCtl.DISK_GET_DRIVE_GEOMETRY_EX, deviceName);
m_DiskSize = x.DiskSize;
m_Geometry = x.Geometry;
long remainder;
m_MaximumLinearAddress = Math.DivRem(DiskSize, BytesPerSector, out remainder) - 1;
ThrowIfDiskSizeOutOfIntegrity(remainder);
m_BytesPerCylinder = BytesPerSector * Sector * Head;
m_MaximumCubicAddress = DiskGeometry.Transform(m_MaximumLinearAddress, this);
}
/// <summary>
/// Retrieves the disk geometry of the specified disk.
/// </summary>
/// <param name="hfile">Handle to a valid, open disk.</param>
/// <param name="geo">Receives the disk geometry information.</param>
/// <returns></returns>
/// <remarks></remarks>
public static bool DiskGeometry(IntPtr hfile, ref DISK_GEOMETRY_EX geo)
{
if (hfile == DevProp.INVALID_HANDLE_VALUE)
{
return(false);
}
MemPtr mm = new MemPtr();
uint l = 0U;
uint cb = 0U;
l = (uint)Marshal.SizeOf <DISK_GEOMETRY_EX>();
mm.Alloc(l);
NativeDisk.DeviceIoControl(hfile, NativeDisk.IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, IntPtr.Zero, 0, mm.Handle, l, ref cb, IntPtr.Zero);
geo = mm.ToStruct <DISK_GEOMETRY_EX>();
mm.Free();
return(true);
}
private static void ExampleDiskIO()
{
const string drive = @"\\.\PhysicalDrive0";
Console.WriteLine(@"## Exmaple on {0} ##", drive);
SafeFileHandle hddHandle = CreateFile(drive, FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, FileAttributes.Normal, IntPtr.Zero);
if (hddHandle.IsInvalid)
{
int lastError = Marshal.GetLastWin32Error();
Console.WriteLine(@"!! Invalid {0}; Error ({1}): {2}", drive, lastError, new Win32Exception(lastError).Message);
Console.WriteLine();
return;
}
using (DiskDeviceWrapper diskIo = new DiskDeviceWrapper(hddHandle, true))
{
DISK_GEOMETRY_EX info = diskIo.DiskGetDriveGeometryEx();
Console.WriteLine("Sector size: " + info.Geometry.BytesPerSector);
switch (info.PartitionInformation.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
Console.WriteLine("MBR Id: " + info.PartitionInformation.MbrSignature);
break;
case PartitionStyle.PARTITION_STYLE_GPT:
Console.WriteLine("GPT GUID: " + info.PartitionInformation.GptGuidId);
break;
}
PARTITION_INFORMATION_EX partitionInfo = diskIo.DiskGetPartitionInfoEx();
Console.WriteLine("Partition style: " + partitionInfo.PartitionStyle);
}
Console.WriteLine();
}
/// <summary>
/// Retrieve the partition table of a GPT-layout disk, manually.
/// Must be Administrator.
/// </summary>
/// <param name="inf">DiskDeviceInfo object to the physical disk to read.</param>
/// <param name="gptInfo">Receives the drive layout information.</param>
/// <returns>True if successful.</returns>
/// <remarks></remarks>
public static bool ReadRawGptDisk(string devicePath, ref RAW_GPT_DISK gptInfo)
{
// Demand Administrator for accessing a raw disk.
AppDomain.CurrentDomain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
// Dim principalPerm As New PrincipalPermission(Nothing, "Administrators")
// principalPerm.Demand()
var hfile = IO.CreateFile(devicePath, IO.GENERIC_READ | IO.GENERIC_WRITE, IO.FILE_SHARE_READ | IO.FILE_SHARE_WRITE, IntPtr.Zero, IO.OPEN_EXISTING, IO.FILE_FLAG_NO_BUFFERING | IO.FILE_FLAG_RANDOM_ACCESS, IntPtr.Zero);
if (hfile == DevProp.INVALID_HANDLE_VALUE)
{
return(false);
}
DISK_GEOMETRY_EX geo = default;
// get the disk geometry to retrieve the sector (LBA) size.
if (!DiskGeometry(hfile, ref geo))
{
User32.CloseHandle(hfile);
return(false);
}
// sector size (usually 512 bytes)
uint bps = geo.Geometry.BytesPerSector;
uint br = 0U;
long lp = 0L;
long lp2 = 0L;
var mm = new MemPtr(bps * 2L);
IO.SetFilePointerEx(hfile, 0L, ref lp, IO.FilePointerMoveMethod.Begin);
IO.ReadFile(hfile, mm.Handle, bps * 2, ref br, IntPtr.Zero);
var mbr = new RAW_MBR();
var gpt = new RAW_GPT_HEADER();
RAW_GPT_PARTITION[] gpp = null;
// read the master boot record.
mbr = mm.ToStructAt <RAW_MBR>(446L);
// read the GPT structure header.
gpt = mm.ToStructAt <RAW_GPT_HEADER>(bps);
// check the partition header CRC.
if (gpt.IsValid)
{
long lr = br;
// seek to the LBA of the partition information.
IO.SetFilePointerEx(hfile, (uint)(bps * gpt.PartitionEntryLBA), ref lr, IO.FilePointerMoveMethod.Begin);
br = (uint)lr;
// calculate the size of the partition table buffer.
lp = gpt.NumberOfPartitions * gpt.PartitionEntryLength;
// byte align to the sector size.
if (lp % bps != 0L)
{
lp += bps - lp % bps;
}
// bump up the memory pointer.
mm.ReAlloc(lp);
mm.ZeroMemory();
// read the partition information into the pointer.
IO.ReadFile(hfile, mm.Handle, (uint)lp, ref br, IntPtr.Zero);
// check the partition table CRC.
if (mm.CalculateCrc32() == gpt.PartitionArrayCRC32)
{
// disk is valid.
lp = (uint)Marshal.SizeOf <RAW_GPT_PARTITION>();
br = 0U;
int i;
int c = (int)gpt.NumberOfPartitions;
gpp = new RAW_GPT_PARTITION[c + 1];
// populate the drive information.
for (i = 0; i < c; i++)
{
gpp[i] = mm.ToStructAt <RAW_GPT_PARTITION>(lp2);
// break on empty GUID, we are past the last partition.
if (gpp[i].PartitionTypeGuid == Guid.Empty)
{
break;
}
lp2 += lp;
}
// trim off excess records from the array.
if (i < c)
{
if (i == 0)
{
gpp = Array.Empty <RAW_GPT_PARTITION>();
}
else
{
Array.Resize(ref gpp, i);
}
}
}
}
// free the resources.
mm.Free();
User32.CloseHandle(hfile);
// if gpp is nothing then some error occurred somewhere and we did not succeed.
if (gpp is null)
{
return(false);
}
// create a new RAW_GPT_DISK structure.
gptInfo = new RAW_GPT_DISK();
gptInfo.Header = gpt;
gptInfo.Partitions = gpp;
// we have succeeded.
return(true);
}
public override string ToString()
{
StringBuilder details = new StringBuilder();
if (dge.HasValue)
{
DISK_GEOMETRY_EX dge1 = dge.Value;
details.Append('\t').AppendLine("DISK_GEOMETRY:");
details.Append("\t\t").Append("Cylinders: ").AppendLine(dge1.Geometry.Cylinders.ToString());
//public MEDIA_TYPE MediaType;
details.Append("\t\t").Append("TracksPerCylinder: ")
.AppendLine(dge1.Geometry.TracksPerCylinder.ToString());
details.Append("\t\t").Append("SectorsPerTrack: ")
.AppendLine(dge1.Geometry.SectorsPerTrack.ToString());
details.Append("\t\t").Append("BytesPerSector: ")
.AppendLine(dge1.Geometry.BytesPerSector.ToString());
details.Append("\t\t").Append("DiskSize: ").AppendLine(dge1.Geometry.DiskSize.ToString());
details.Append('\t').AppendLine("DISK_PARTITION_INFO:");
//details.Append("\t\t").Append("SizeOfPartitionInfo: ").AppendLine(dge.PartitionInformation.SizeOfPartitionInfo.ToString());
details.Append("\t\t").Append("PartitionStyle: ")
.AppendLine(dge1.PartitionInformation.PartitionStyle.ToString());
switch (dge1.PartitionInformation.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").Append("MbrSignature: ")
.AppendLine(dge1.PartitionInformation.MbrSignature.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").Append("GptGuidId: ")
.AppendLine(dge1.PartitionInformation.GptGuidId.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
details.Append('\t').AppendLine("DISK_EX_INT13_INFO:");
details.Append("\t\t").Append("ExBufferSize: ")
.AppendLine(dge1.DiskInt13Info.ExBufferSize.ToString());
details.Append("\t\t").Append("ExFlags: ").AppendLine(dge1.DiskInt13Info.ExFlags.ToString());
details.Append("\t\t").Append("ExCylinders: ")
.AppendLine(dge1.DiskInt13Info.ExCylinders.ToString());
//public uint ExHeads;
//public uint ExSectorsPerTrack;
//public ulong ExSectorsPerDrive;
//public ushort ExSectorSize;
//public ushort ExReserved;
}
if (pie.HasValue)
{
PARTITION_INFORMATION_EX pie1 = pie.Value;
details.Append('\t').AppendLine("PARTITION_INFORMATION_EX:");
details.Append("\t\t").Append("PartitionStyle: ").AppendLine(pie1.PartitionStyle.ToString());
details.Append("\t\t").Append("StartingOffset: ").AppendLine(pie1.StartingOffset.ToString());
details.Append("\t\t").Append("PartitionLength: ").AppendLine(pie1.PartitionLength.ToString());
details.Append("\t\t").Append("PartitionNumber: ").AppendLine(pie1.PartitionNumber.ToString());
details.Append("\t\t").Append("RewritePartition: ").AppendLine(pie1.RewritePartition.ToString());
switch (pie1.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_MBR: ");
details.Append("\t\t\t").Append("PartitionType: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.PartitionType.ToString());
details.Append("\t\t\t").Append("BootIndicator: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.BootIndicator.ToString());
details.Append("\t\t\t").Append("RecognizedPartition: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.RecognizedPartition.ToString());
details.Append("\t\t\t").Append("HiddenSectors: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.HiddenSectors.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_GPT: ");
details.Append("\t\t\t").Append("PartitionType: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.PartitionType.ToString());
details.Append("\t\t\t").Append("PartitionId: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.PartitionId.ToString());
details.Append("\t\t\t").Append("EFIPartitionAttributes: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.Attributes.ToString());
details.Append("\t\t\t").Append("Name: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.Name.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (dlie.HasValue)
{
DRIVE_LAYOUT_INFORMATION_EX dlie1 = dlie.Value;
details.Append('\t').AppendLine("DRIVE_LAYOUT_INFORMATION_EX:");
details.Append("\t\t").Append("PartitionStyle: ").AppendLine(dlie1.PartitionStyle.ToString());
details.Append("\t\t").Append("PartitionCount: ").AppendLine((dlie1.PartitionCount - 1).ToString()); // Last one is nulls
switch (dlie1.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").AppendLine("DRIVE_LAYOUT_INFORMATION_MBR: ");
details.Append("\t\t\t").Append("Signature: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Mbr.Signature.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").AppendLine("DRIVE_LAYOUT_INFORMATION_GPT: ");
details.Append("\t\t\t").Append("DiskId: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.DiskId.ToString());
details.Append("\t\t\t").Append("StartingUsableOffset: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.StartingUsableOffset.ToString());
details.Append("\t\t\t").Append("UsableLength: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.UsableLength.ToString());
details.Append("\t\t\t").Append("MaxPartitionCount: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.MaxPartitionCount.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
for (int entry = 0; entry < dlie1.PartitionCount - 1; entry++) // Last one is nulls
{
PARTITION_INFORMATION_EX pie = dlie1.PartitionEntry[entry];
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_EX:");
details.Append("\t\t\t").Append("PartitionStyle: ")
.AppendLine(pie.PartitionStyle.ToString());
details.Append("\t\t\t").Append("StartingOffset: ")
.AppendLine(pie.StartingOffset.ToString());
details.Append("\t\t\t").Append("PartitionLength: ")
.AppendLine(pie.PartitionLength.ToString());
details.Append("\t\t\t").Append("PartitionNumber: ")
.AppendLine(pie.PartitionNumber.ToString());
details.Append("\t\t\t").Append("RewritePartition: ")
.AppendLine(pie.RewritePartition.ToString());
switch (pie.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t\t").AppendLine("PARTITION_INFORMATION_MBR: ");
details.Append("\t\t\t\t").Append("PartitionType: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.PartitionType.ToString());
details.Append("\t\t\t\t").Append("BootIndicator: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.BootIndicator.ToString());
details.Append("\t\t\t\t").Append("RecognizedPartition: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.RecognizedPartition.ToString());
details.Append("\t\t\t\t").Append("HiddenSectors: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.HiddenSectors.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t\t").AppendLine("PARTITION_INFORMATION_GPT: ");
details.Append("\t\t\t\t").Append("PartitionType: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.PartitionType.ToString());
details.Append("\t\t\t\t").Append("PartitionId: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.PartitionId.ToString());
details.Append("\t\t\t\t").Append("EFIPartitionAttributes: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.Attributes.ToString());
details.Append("\t\t\t\t").Append("Name: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.Name.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
if (da.HasValue)
{
GET_DISK_ATTRIBUTES da1 = da.Value;
details.Append('\t').AppendLine("DISK_ATTRIBUTES:");
details.Append("\t\t").Append("Version: ").AppendLine(da1.Version.ToString());
//public int Reserved1;
details.Append("\t\t").Append("Attributes: ").AppendLine(da1.Attributes.ToString());
if ((da1.Attributes & 1) == 1)
{
details.Append("\t\t").Append("Attributes: ").AppendLine(@"DISK_ATTRIBUTE_OFFLINE");
}
if ((da1.Attributes & 2) == 2)
{
details.Append("\t\t").Append("Attributes: ").AppendLine(@"DISK_ATTRIBUTE_READ_ONLY");
}
}
if (vip.HasValue)
{
GETVERSIONINPARAMS vip1 = vip.Value;
details.Append('\t').AppendLine("GETVERSIONINPARAMS:");
details.Append("\t\t").Append("Version: ").AppendLine(vip1.bVersion.ToString());
details.Append("\t\t").Append("Revision: ").AppendLine(vip1.bRevision.ToString());
details.Append("\t\t").Append("Reserved: ").AppendLine(vip1.bReserved.ToString());
details.Append("\t\t").Append("IDEDeviceMap: ").AppendLine(vip1.bIDEDeviceMap.ToString());
details.Append("\t\t").Append("Capabilities: ").AppendLine(vip1.fCapabilities.ToString());
//details.Append("\t\t").Append("dwReserved: ").AppendLine(vip1.dwReserved.ToString());
}
if (sddp.HasValue)
{
STORAGE_DEVICE_DESCRIPTOR_PARSED_EX sddp1 = sddp.Value;
details.Append('\t').AppendLine("STORAGE_DEVICE_DESCRIPTOR_PARSED:");
//details.Append("\t\t").Append("Size: ").AppendLine(sddp1.Size.ToString());
details.Append("\t\t").Append("SCSI DeviceType: ").AppendLine(sddp1.DeviceType.ToString());
details.Append("\t\t").Append("SCSI DeviceTypeModifier: ")
.AppendLine(sddp1.DeviceTypeModifier.ToString());
details.Append("\t\t").Append("RemovableMedia: ").AppendLine(sddp1.RemovableMedia.ToString());
details.Append("\t\t").Append("CommandQueueing: ").AppendLine(sddp1.CommandQueueing.ToString());
//details.Append("\t\t").Append("VendorIdOffset: ").AppendLine(sddp1.VendorIdOffset.ToString());
//details.Append("\t\t").Append("ProductIdOffset: ").AppendLine(sddp1.ProductIdOffset.ToString());
//details.Append("\t\t").Append("ProductRevisionOffset: ").AppendLine(sddp1.ProductRevisionOffset.ToString());
//details.Append("\t\t").Append("SerialNumberOffset: ").AppendLine(sddp1.SerialNumberOffset.ToString());
details.Append("\t\t").Append("BusType: ").AppendLine(sddp1.BusType.ToString());
details.Append("\t\t").Append("RawPropertiesLength: ").AppendLine(sddp1.RawPropertiesLength.ToString());
details.Append("\t\t").Append("RawDeviceProperties: ").AppendLine(sddp1.RawDeviceProperties.ToString());
//public byte[] RawDeviceProperties;
details.Append("\t\t").Append("VendorId: ").AppendLine(sddp1.VendorId);
details.Append("\t\t").Append("ProductId: ").AppendLine(sddp1.ProductId);
details.Append("\t\t").Append("ProductRevision: ").AppendLine(sddp1.ProductRevision);
details.Append("\t\t").Append("SerialNumber: ").AppendLine(sddp1.SerialNumber);
}
return(details.ToString());
}
