private void InitializeIntPtrFileRead()
{
intPtrFile = WinApiClass.CreateFile(
filePath,
WinApiClass.FileAccess.GenericRead,
WinApiClass.FileShare.Write | WinApiClass.FileShare.Read,
IntPtr.Zero,
WinApiClass.FileMode.OPEN_EXISTING,
0,
IntPtr.Zero
);
}
private void InitializeIntPtrFileWriteAppend()
{
intPtrFile = WinApiClass.CreateFile(
filePath,
WinApiClass.FileAccess.FILE_APPEND_DATA,
WinApiClass.FileShare.Write | WinApiClass.FileShare.Read,
IntPtr.Zero,
WinApiClass.FileMode.OPEN_EXISTING,
0,
IntPtr.Zero
);
}
public void CitesteChestiiDinMbr()
{
var intPtrReadFile = WinApiClass.CreateFile(
MbrFilePath,
WinApiClass.FileAccess.GenericRead,
WinApiClass.FileShare.None,
IntPtr.Zero,
WinApiClass.FileMode.OPEN_EXISTING,
0,
IntPtr.Zero
);
CheckForErrorAndThrowIfError();
byte[] buffer = new byte[Constants.SectorSizeInBytes];
uint bytesRead = 0;
WinApiClass.ReadFile(
intPtrReadFile,
buffer,
(uint)Constants.SectorSizeInBytes,
out bytesRead,
IntPtr.Zero
);
for (int iteration = 0; iteration < 4; iteration++)
{
Console.WriteLine($" > Partition {iteration + 1}");
Console.WriteLine("-----------------------------------");
Console.WriteLine($"Boot Flag: {buffer[446 + iteration * 16].ToString("X")}");
Console.WriteLine($"Head address: {buffer[447 + iteration * 16].ToString("X")}");
Console.WriteLine($"Sector head: {((buffer[449 + iteration * 16] << 8) | buffer[448 + iteration * 16]).ToString("X")}");
Console.WriteLine($"Partition type: {buffer[450 + iteration * 16].ToString("X")}");
Console.WriteLine($"Head address end: {buffer[451 + iteration * 16].ToString("X")}");
Console.WriteLine($"Sector address end: {((buffer[453 + iteration * 16] << 8) | buffer[452 + iteration * 16]).ToString("X")}");
Console.WriteLine($"Relative sectors: {(int)(buffer[457 + iteration * 16] << 3 * 8) | (buffer[456 + iteration * 16] << 2 * 8) | (buffer[455 + iteration * 16] << 8) | buffer[454 + iteration * 16]}");
Console.WriteLine($"Total sectors: {(int)(buffer[461 + iteration * 16] << 3 * 8) | (buffer[460 + iteration * 16] << 2 * 8) | (buffer[459 + iteration * 16] << 8) | buffer[458 + iteration * 16]}\n");
intPtrReadFile = new IntPtr(intPtrReadFile.ToInt64() + 512);
}
}