public static string GetObjectTypeName(SYSTEM_HANDLE_INFORMATION shHandle, Process process)
{
IntPtr m_ipProcessHwnd = OpenProcess(ProcessAccessFlags.All, false, process.Id);
var objBasic = new OBJECT_BASIC_INFORMATION();
var objObjectType = new OBJECT_TYPE_INFORMATION();
int nLength = 0;
if (!DuplicateHandle(m_ipProcessHwnd, shHandle.Handle,
GetCurrentProcess(), out IntPtr ipHandle,
0, false, 0x2))
{
return(null);
}
IntPtr ipBasic = Marshal.AllocHGlobal(Marshal.SizeOf(objBasic));
NtQueryObject(ipHandle, (int)ObjectInformationClass.ObjectBasicInformation,
ipBasic, Marshal.SizeOf(objBasic), ref nLength);
objBasic = (OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(ipBasic, objBasic.GetType());
Marshal.FreeHGlobal(ipBasic);
IntPtr ipObjectType = Marshal.AllocHGlobal(objBasic.TypeInformationLength);
nLength = objBasic.TypeInformationLength;
while ((uint)(_ = NtQueryObject(
ipHandle, (int)ObjectInformationClass.ObjectTypeInformation, ipObjectType,
nLength, ref nLength)) ==
0xC0000004)
{
Marshal.FreeHGlobal(ipObjectType);
ipObjectType = Marshal.AllocHGlobal(nLength);
}
objObjectType = (OBJECT_TYPE_INFORMATION)Marshal.PtrToStructure(ipObjectType, objObjectType.GetType());
IntPtr ipTemp;
if (Is64Bits())
{
ipTemp = new IntPtr(Convert.ToInt64(objObjectType.Name.Buffer.ToString(), 10) >> 32);
}
else
{
ipTemp = objObjectType.Name.Buffer;
}
string strObjectTypeName = Marshal.PtrToStringUni(ipTemp, objObjectType.Name.Length >> 1);
Marshal.FreeHGlobal(ipObjectType);
return(strObjectTypeName);
}
public static string getObjectTypeName(SYSTEM_HANDLE_INFORMATION shHandle, Process process)
{
var m_ipProcessHwnd = Native.OpenProcess((int)ProcessAccessFlags.All, false, process.Id);
var ipHandle = IntPtr.Zero;
var objBasic = new OBJECT_BASIC_INFORMATION();
var ipBasic = IntPtr.Zero;
var objObjectType = new OBJECT_TYPE_INFORMATION();
var ipObjectType = IntPtr.Zero;
var ipObjectName = IntPtr.Zero;
var strObjectTypeName = "";
var nLength = 0;
var nReturn = 0;
var ipTemp = IntPtr.Zero;
if (!Native.DuplicateHandle(m_ipProcessHwnd, shHandle.Handle,
Native.GetCurrentProcess(), out ipHandle,
0, false, DUPLICATE_SAME_ACCESS))
{
return(null);
}
ipBasic = Marshal.AllocHGlobal(Marshal.SizeOf(objBasic));
Native.NtQueryObject(ipHandle, (int)ObjectInformationClass.ObjectBasicInformation,
ipBasic, Marshal.SizeOf(objBasic), ref nLength);
objBasic = (OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(ipBasic, objBasic.GetType());
Marshal.FreeHGlobal(ipBasic);
ipObjectType = Marshal.AllocHGlobal(objBasic.TypeInformationLength);
nLength = objBasic.TypeInformationLength;
while ((uint)(nReturn = Native.NtQueryObject(
ipHandle, (int)ObjectInformationClass.ObjectTypeInformation, ipObjectType,
nLength, ref nLength)) ==
STATUS_INFO_LENGTH_MISMATCH)
{
Marshal.FreeHGlobal(ipObjectType);
ipObjectType = Marshal.AllocHGlobal(nLength);
}
objObjectType = (OBJECT_TYPE_INFORMATION)Marshal.PtrToStructure(ipObjectType, objObjectType.GetType());
ipTemp = Is64Bits() ? new IntPtr(Convert.ToInt64(objObjectType.Name.Buffer.ToString(), 10) >> 32) : objObjectType.Name.Buffer;
strObjectTypeName = Marshal.PtrToStringUni(ipTemp, objObjectType.Name.Length >> 1);
Marshal.FreeHGlobal(ipObjectType);
return(strObjectTypeName);
}