// * //
// Unmount encrypted filesystem //
public static BooleanResult UnmountEncryptedFS(string targetDrive)
{
using (Process process = new Process())
{
// GET Dokan DIRECTORY
string programDir = Toolbox.GetSoftwareDirectory(Config.Software.Dokan);
if (programDir == null)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Dokan inaccessible!"
});
}
// UNMOUNT ENCRYPTED FS
ProcessStartInfo startInfo = new ProcessStartInfo();
try
{
//.\dokanctl.exe /u Z:
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
startInfo.CreateNoWindow = true;
startInfo.FileName = "cmd.exe";
startInfo.Arguments = "/C \"\"" + programDir + "dokanctl.exe\" /u \"" + targetDrive + ":\"\"";
process.StartInfo = startInfo;
process.Start();
process.WaitForExit();
// Ensure no errors were thrown (unmount status 0 = error, 1 = unmounted)
if (process.ExitCode != 1)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Error while unmounting! " + process.ExitCode
});
}
}
catch (Exception err)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Failed to unmount encrypted FS! " + err.Message
});
}
}
// Invalidate EncFS instances that claim to be using this drive
EncryptFS.InvalidateDrive(targetDrive);
return(new BooleanResult()
{
Success = true
});
}
// * //
// Mount encrypted filesystem //
public static BooleanResult MountEncryptedFS(string guid, string targetDrive, string masterKey, string label)
{
// Determine location of configuration file
string configLoc = (string)Registry.GetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "configLoc", string.Empty);
if (string.IsNullOrEmpty(configLoc))
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Invalid GUID given to mount!"
});
}
// Pull enc volume location from registry for this GUID
string volumeLoc = (string)Registry.GetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encContainerLoc", string.Empty);
if (string.IsNullOrEmpty(volumeLoc))
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Invalid GUID given to mount!"
});
}
// Path cannot end with a slash due to CMD usage
volumeLoc = volumeLoc.TrimEnd(new[] { '/', '\\' });
using (Process process = new Process())
{
// GET EncFS DIRECTORY
string programDir = Toolbox.GetSoftwareDirectory(Config.Software.EncFS);
if (programDir == null)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: EncFS inaccessible!"
});
}
// GET Dokan DIRECTORY
string dokanDir = Toolbox.GetSoftwareDirectory(Config.Software.Dokan);
if (dokanDir == null)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Dokan inaccessible!"
});
}
// MOUNT ENCRYPTED CONTAINER
ProcessStartInfo startInfo = new ProcessStartInfo();
try
{
//.\encfs.exe "C:\Users\jetwhiz\Desktop\encfs4win\testing" "Z:" --stdinpass -o volname="Secure Dropbox"
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
startInfo.CreateNoWindow = true;
startInfo.RedirectStandardInput = true;
startInfo.UseShellExecute = false;
startInfo.FileName = "cmd.exe";
startInfo.EnvironmentVariables["ENCFS6_CONFIG"] = configLoc + Config.ENCFS_CONFIG_FILENAME;
startInfo.Arguments = "/C \"\"" + programDir + "encfs.exe\" --require-macs --stdinpass -o volname=\"" + label + "\" \"" + volumeLoc + "\" \"" + targetDrive + ":\"\"";
process.StartInfo = startInfo;
process.Start();
// Send stdin inputs to program
StreamWriter myStreamWriter = process.StandardInput;
myStreamWriter.WriteLine(masterKey); // user's password
myStreamWriter.Close();
// Give it a few seconds to finish
// TODO: Figure out better way to determine when EncFS has finished
process.WaitForExit(10000);
// If it exited by itself, it was in error
if (process.HasExited)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Error while mounting encrypted FS! " + process.ExitCode
});
}
// Invalidate all other EncFS instances that still claim to be using this drive
EncryptFS.InvalidateDrive(targetDrive);
// Save where we mounted the encrypted volume
Registry.SetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encDrive", targetDrive);
// Process will block indefinitely (until unmount called), so just return
//process.WaitForExit();
}
catch (Exception err)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Failed to mount encrypted FS! " + err.Message
});
}
}
return(new BooleanResult()
{
Success = true
});
}
// * //
// Create new encrypted filesystem //
public static BooleanResult CreateEncryptedFS(string guid, string volumeLoc, string targetDrive, string masterKey, string label, bool keepMounted = false)
{
// Path cannot end with a slash due to CMD usage
volumeLoc = volumeLoc.TrimEnd(new[] { '/', '\\' });
// GET EncFS DIRECTORY
string programDir = Toolbox.GetSoftwareDirectory(Config.Software.EncFS);
if (programDir == null)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: EncFS inaccessible!"
});
}
// GET Dokan DIRECTORY
string dokanDir = Toolbox.GetSoftwareDirectory(Config.Software.Dokan);
if (dokanDir == null)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Dokan inaccessible!"
});
}
// Determine Keenou config file location for this volume
string configLoc = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) + @"\Keenou\" + guid + @"\";
if (Directory.Exists(configLoc))
{
// TODO: auto-recovery?
return(new BooleanResult()
{
Success = false, Message = "ERROR: Possible GUID collision!"
});
}
// Create config file directory for this FS
Directory.CreateDirectory(configLoc);
// Save setting values to registry
Registry.SetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encContainerLoc", volumeLoc);
Registry.SetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "configLoc", configLoc);
using (Process process = new Process())
{
// MOUNT ENCRYPTED CONTAINER
ProcessStartInfo startInfo = new ProcessStartInfo();
try
{
//.\encfs.exe "C:\Users\jetwhiz\Desktop\encfs4win\testing" "Z:" --stdinpass -o volname="Secure Dropbox"
startInfo.WindowStyle = ProcessWindowStyle.Hidden;
startInfo.CreateNoWindow = true;
startInfo.RedirectStandardInput = true;
startInfo.UseShellExecute = false;
startInfo.FileName = "cmd.exe";
startInfo.EnvironmentVariables["ENCFS6_CONFIG"] = configLoc + Config.ENCFS_CONFIG_FILENAME;
startInfo.Arguments = "/C \"\"" + programDir + "encfs.exe\" --stdinpass -o volname=\"" + label + "\" \"" + volumeLoc + "\" \"" + targetDrive + ":\"\"";
process.StartInfo = startInfo;
process.Start();
// Send stdin inputs to program
StreamWriter myStreamWriter = process.StandardInput;
myStreamWriter.WriteLine("p"); // paranoia mode
myStreamWriter.WriteLine(masterKey); // user's password
myStreamWriter.Close();
// Give it a few seconds to finish
// TODO: Figure out better way to determine when EncFS has finished
process.WaitForExit(10000);
// Unmount drive (forcing the closing of encfs process) if not already exited
if (!process.HasExited)
{
// Auto-unmount unless they asked us not to
if (!keepMounted)
{
BooleanResult res = EncryptFS.UnmountEncryptedFS(targetDrive);
if (res == null || !res.Success)
{
return(res);
}
}
else
{
// Invalidate all other EncFS instances that still claim to be using this drive
EncryptFS.InvalidateDrive(targetDrive);
// Save where we mounted the encrypted volume
Registry.SetValue(Config.CURR_USR_REG_DRIVE_ROOT + guid, "encDrive", targetDrive);
}
}
else
{
// If it exited by itself, it was in error
return(new BooleanResult()
{
Success = false, Message = "ERROR: Error while creating encrypted FS! " + process.ExitCode
});
}
// Process will block indefinitely (until unmount called), so just return
//process.WaitForExit();
}
catch (Exception err)
{
return(new BooleanResult()
{
Success = false, Message = "ERROR: Failed to create encrypted FS! " + err.Message
});
}
}
return(new BooleanResult()
{
Success = true
});
}
