public static string GetObjectName(Win32Api.SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX handle) { IntPtr _processHandle = Win32Api.OpenProcess(Win32Api.ProcessAccessFlags.All, false, handle.UniqueProcessId); IntPtr _handle = IntPtr.Zero; try { if (!Win32Api.DuplicateHandle(_processHandle, handle.HandleValue, Win32Api.GetCurrentProcess(), out _handle, 0, false, Win32Api.DUPLICATE_SAME_ACCESS)) return null; IntPtr _basic = IntPtr.Zero; int nameLength = 0; try { Win32Api.OBJECT_BASIC_INFORMATION basicInfo = new Win32Api.OBJECT_BASIC_INFORMATION(); _basic = Marshal.AllocHGlobal(Marshal.SizeOf(basicInfo)); Win32Api.NtQueryObject(_handle, (int)Win32Api.ObjectInformationClass.ObjectBasicInformation, _basic, Marshal.SizeOf(basicInfo), ref nameLength); basicInfo = (Win32Api.OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(_basic, basicInfo.GetType()); nameLength = basicInfo.NameInformationLength; } finally { if (_basic != IntPtr.Zero) Marshal.FreeHGlobal(_basic); } if (nameLength ==0) { return null; } Win32Api.OBJECT_NAME_INFORMATION nameInfo = new Win32Api.OBJECT_NAME_INFORMATION(); IntPtr _objectName = Marshal.AllocHGlobal(nameLength); try { while ((uint)(Win32Api.NtQueryObject(_handle, (int)Win32Api.ObjectInformationClass.ObjectNameInformation, _objectName, nameLength, ref nameLength)) == Win32Api.STATUS_INFO_LENGTH_MISMATCH) { Marshal.FreeHGlobal(_objectName); _objectName = Marshal.AllocHGlobal(nameLength); } nameInfo = (Win32Api.OBJECT_NAME_INFORMATION)Marshal.PtrToStructure(_objectName, nameInfo.GetType()); } finally { Marshal.FreeHGlobal(_objectName); Win32Api.CloseHandle(_handle); } try { return Marshal.PtrToStringUni(nameInfo.Name.Buffer, nameInfo.Name.Length >> 1); } catch { } return null; } finally { if (_processHandle != IntPtr.Zero) Win32Api.CloseHandle(_processHandle); } }
public static string GetObjectName(Win32Api.SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX handle) { IntPtr _processHandle = Win32Api.OpenProcess(Win32Api.ProcessAccessFlags.All, false, handle.UniqueProcessId); IntPtr _handle = IntPtr.Zero; try { if (!Win32Api.DuplicateHandle(_processHandle, handle.HandleValue, Win32Api.GetCurrentProcess(), out _handle, 0, false, Win32Api.DUPLICATE_SAME_ACCESS)) { return(null); } IntPtr _basic = IntPtr.Zero; int nameLength = 0; try { Win32Api.OBJECT_BASIC_INFORMATION basicInfo = new Win32Api.OBJECT_BASIC_INFORMATION(); _basic = Marshal.AllocHGlobal(Marshal.SizeOf(basicInfo)); Win32Api.NtQueryObject(_handle, (int)Win32Api.ObjectInformationClass.ObjectBasicInformation, _basic, Marshal.SizeOf(basicInfo), ref nameLength); basicInfo = (Win32Api.OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(_basic, basicInfo.GetType()); nameLength = basicInfo.NameInformationLength; } finally { if (_basic != IntPtr.Zero) { Marshal.FreeHGlobal(_basic); } } if (nameLength == 0) { return(null); } Win32Api.OBJECT_NAME_INFORMATION nameInfo = new Win32Api.OBJECT_NAME_INFORMATION(); IntPtr _objectName = Marshal.AllocHGlobal(nameLength); try { while ((uint)(Win32Api.NtQueryObject(_handle, (int)Win32Api.ObjectInformationClass.ObjectNameInformation, _objectName, nameLength, ref nameLength)) == Win32Api.STATUS_INFO_LENGTH_MISMATCH) { Marshal.FreeHGlobal(_objectName); _objectName = Marshal.AllocHGlobal(nameLength); } nameInfo = (Win32Api.OBJECT_NAME_INFORMATION)Marshal.PtrToStructure(_objectName, nameInfo.GetType()); } finally { Marshal.FreeHGlobal(_objectName); Win32Api.CloseHandle(_handle); } try { return(Marshal.PtrToStringUni(nameInfo.Name.Buffer, nameInfo.Name.Length >> 1)); } catch { } return(null); } finally { if (_processHandle != IntPtr.Zero) { Win32Api.CloseHandle(_processHandle); } } }