public static async Task <Dictionary <char, string> > getMounted()
{
return(await Task.Run <Dictionary <char, string> >(() =>
{
var ret = new Dictionary <char, string>();
uint size = (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT));
IntPtr buffer = Marshal.AllocHGlobal((int)size);
uint bytesReturned;
IntPtr _hdev = CreateFile("\\\\.\\VeraCrypt", FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, 0, IntPtr.Zero);
bool bResult = DeviceIoControl(_hdev, TC_IOCTL_GET_MOUNTED_VOLUMES, buffer, size, buffer, size, out bytesReturned, IntPtr.Zero);
// IMPORTANT! Otherwise, the struct fills up with random bytes from memory, if no VeraCrypt is available
if (!bResult)
{
return ret;
}
MOUNT_LIST_STRUCT mount = new MOUNT_LIST_STRUCT();
Marshal.PtrToStructure(buffer, mount);
Marshal.FreeHGlobal(buffer);
for (int i = 0; i < 26; i++)
{
if (mount.wszVolume[i].ToString().Length > 0)
{
ret.Add((char)('A' + i), mount.wszVolume[i].ToString());
}
}
return ret;
}));
}
private String[] GetMountList()
{
uint size = (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT));
IntPtr buffer = Marshal.AllocHGlobal((int)size);
uint bytesReturned;
IntPtr _hdev = CreateFile("\\\\.\\TrueCrypt", FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, 0, IntPtr.Zero);
bool bResult = DeviceIoControl(_hdev, TC_IOCTL_GET_MOUNTED_VOLUMES, buffer, size, buffer, size, out bytesReturned, IntPtr.Zero);
MOUNT_LIST_STRUCT mount = new MOUNT_LIST_STRUCT();
Marshal.PtrToStructure(buffer, mount);
Marshal.FreeHGlobal(buffer);
return(mount.wszVolume.Select(m => m.ToString()).ToArray());
}
static void Main(string[] args)
{
uint size = (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT));
IntPtr buffer = Marshal.AllocHGlobal((int)size);
uint bytesReturned;
IntPtr _hdev = CreateFile("\\\\.\\TrueCrypt", FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, 0, IntPtr.Zero);
bool bResult = DeviceIoControl(_hdev, TC_IOCTL_GET_MOUNTED_VOLUMES, buffer, size, buffer, size, out bytesReturned, IntPtr.Zero);
MOUNT_LIST_STRUCT mount = new MOUNT_LIST_STRUCT();
Marshal.PtrToStructure(buffer, mount);
Marshal.FreeHGlobal(buffer);
for (int i = 0; i < 26; i++)
{
Console.WriteLine("{0}: => {1}", (char)('A' + i), mount.wszVolume[i]);
}
}
static void Main(string[] args)
{
uint size = (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT));
IntPtr buffer = Marshal.AllocHGlobal((int)size);
uint bytesReturned;
IntPtr _hdev = CreateFile("\\\\.\\TrueCrypt", FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, 0, IntPtr.Zero);
bool bResult = DeviceIoControl(_hdev, TC_IOCTL_GET_MOUNTED_VOLUMES, buffer, size, buffer, size, out bytesReturned, IntPtr.Zero);
MOUNT_LIST_STRUCT mount = new MOUNT_LIST_STRUCT();
Marshal.PtrToStructure(buffer, mount);
Marshal.FreeHGlobal(buffer);
// Print output as a json array
string outp = "[";
for (int i = 0; i < 26; i++)
{
if (mount.wszVolume [i].ToString().Length != 0)
{
outp += "{ \"drive\" : \"" + (char)('A' + i) + "\", \"volume\" : \"" + mount.wszVolume[i] + "\" },";
}
}
Console.Write(outp.TrimEnd(',') + "]");
}
/// <summary>
/// Dismounts all volumes mounted by the TestCrypt driver.
/// </summary>
public static void DismountAll()
{
IntPtr mountListPtr = IntPtr.Zero;
IntPtr umountPtr = IntPtr.Zero;
try
{
// open/load the TestCrypt driver first
SafeFileHandle hDriver = OpenDriver();
// retrieve a list of all volumes currently mounted by the TestCrypt driver
uint result = 0;
mountListPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT)));
if (DeviceApi.DeviceIoControl(hDriver, TC_IOCTL_GET_MOUNTED_VOLUMES, mountListPtr, (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT)),
mountListPtr, (uint)Marshal.SizeOf(typeof(MOUNT_LIST_STRUCT)), ref result, IntPtr.Zero))
{
MOUNT_LIST_STRUCT mountList = (MOUNT_LIST_STRUCT)Marshal.PtrToStructure(mountListPtr, typeof(MOUNT_LIST_STRUCT));
if (mountList.ulMountedDrives != 0)
{
// inform the operating system about pending device removal
BroadcastDeviceChange(DBT_DEVICEREMOVEPENDING, 0, mountList.ulMountedDrives);
UMOUNT_STRUCT umount = new UMOUNT_STRUCT();
umount.ignoreOpenFiles = true;
umountPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(UMOUNT_STRUCT)));
Marshal.StructureToPtr(umount, umountPtr, true);
if (DeviceApi.DeviceIoControl(hDriver, TC_IOCTL_DISMOUNT_ALL_VOLUMES, umountPtr, (uint)Marshal.SizeOf(typeof(UMOUNT_STRUCT)),
umountPtr, (uint)Marshal.SizeOf(typeof(UMOUNT_STRUCT)), ref result, IntPtr.Zero))
{
umount = (UMOUNT_STRUCT)Marshal.PtrToStructure(umountPtr, typeof(UMOUNT_STRUCT));
if (umount.nReturnCode != 0)
{
throw new TrueCryptException(TrueCryptException.ExceptionCause.DriverIoControlFailed, umount.nReturnCode, "TC_IOCTL_DISMOUNT_ALL_VOLUMES", null);
}
else
{
// inform the operating system about completed device removal
BroadcastDeviceChange(DBT_DEVICEREMOVECOMPLETE, 0, mountList.ulMountedDrives);
}
}
else
{
Win32Exception ex = new Win32Exception();
throw new TrueCryptException(TrueCryptException.ExceptionCause.DriverIoControlFailed, ex.ErrorCode, "TC_IOCTL_DISMOUNT_ALL_VOLUMES", ex.Message);
}
}
else
{
// there is currently no volume mounted by the TestCrypt driver
}
}
else
{
Win32Exception ex = new Win32Exception();
throw new TrueCryptException(TrueCryptException.ExceptionCause.DriverIoControlFailed, ex.ErrorCode, "TC_IOCTL_GET_MOUNTED_VOLUMES", ex.Message);
}
hDriver.Close();
}
finally
{
if (mountListPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(mountListPtr);
}
if (umountPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(umountPtr);
}
}
}
