internal TC_Data_File(ProgramData thisProg, TrueCryptSWObj tcswobjpassed)
{
thisProginst = thisProg;
tcSWobj = tcswobjpassed;
if (Directory.Exists(tCryptDriveName))
{
CloseTcFile(); //attempt a file close
if (Directory.Exists(tCryptDriveName))
{ // test again after trial close
MessageBox.Show("The P Drive exists. Please close it and restart this program", thisProginst.mbCaption, MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
}
}
if (!Environment.GetEnvironmentVariable("HomeDrive").StartsWith(thisProginst.drvLetter, StringComparison.CurrentCultureIgnoreCase) | Environment.OSVersion.Version.Major < 6)
{//traveler or xp
tpdataPath = thisProginst.drvLetter + ":\\" + dataFileName;
}
else
{//not traveler, not xp
tpdataPath = Environment.GetEnvironmentVariable("Public") + "\\" + dataFileName;
}
//Find out if we have errors conditions
// First see if migration registry key is set
if (thisProginst.removable == false)
{
migration = (string)Microsoft.Win32.Registry.GetValue(regKeyName, "TFTAOld", "");
}
else
{
migration = (string)Microsoft.Win32.Registry.GetValue(regKeyName, "TFTATravOld", "");
}
if (migration == "")
{
if (File.Exists(tpdataPath))
{
return; //non error path is return here error path below here
}
//ERROR PATH BELOW HERE
#region Deal with Migration errors
else
{
DialogResult mbResult = MessageBox.Show("The Tax-Aide TrueCypt data file does not exist, Create it?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
StartTAUtility("format"); // go create the file Use Format argument
}
else
{
Environment.Exit(1);
}
}
}
// below this point have a registry entry when we should not have one means something went wrong in migration
string migrationS = string.Empty;
if (migration.Contains(","))
{ // we have old P & old S
migrationS = migration.Substring(migration.IndexOf(",") + 1);
migration = migration.Remove(migration.IndexOf(",")); // gets the P string
}
if (File.Exists(migration))
{//We have reg entry plus old P
if (File.Exists(tpdataPath))
{
migrationFileActionForm migForm = new migrationFileActionForm();
if (thisProg.removable == true)
{//Setup migration form for traveler
DriveInfo drv = new DriveInfo(thisProginst.drvLetter);
string drvName = thisProginst.drvLetter + " (" + drv.VolumeLabel + ") ";
migForm.delInitialExplain.Text = "A TrueCrypt TPDATA file (the P drive) exists on the Traveler Drive\n" + drvName + "In addition an old Traveler TrueCrypt file exists \non the Hard Drive.This looks like a failed migration of user data from \nan old Traveler based Truecrypt file to a new Traveler TrueCrypt file.";
migForm.delNewPStartTAutil.Text = "Delete the current traveler TPDATA file, Start the Tax-Aide Utility \nto create a new Traveler TPDATA file and complete the migration \nthat failed. Effectively start the whole process over.";
migForm.delOldTCFiles.Text = "Delete the old Traveler TrueCrypt file, Assumes data migration is \ndone correctly, and the old file is not needed. Warning - it will be \npermanently deleted. Then open the traveler file as the P drive.";
migForm.radBtGrpBox.Text += " for " + drvName;
}
DialogResult mbResult = migForm.ShowDialog();
if (mbResult == DialogResult.OK)
{
return; // have to simply open p drive ignore state of old stuff
}
else if (mbResult == DialogResult.Retry)
{//Delete new tp File and start over
File.Delete(tpdataPath);
StartTAUtility("");
}
else if (mbResult == DialogResult.Yes)
{// delete old TC file(s) and open P drive
File.Delete(migration);
if (migrationS != string.Empty)
{
File.Delete(migrationS);
}
DeleteMigrationRegEntries();
return;
}
}
else
{// have registry entry and old tpdataa no new tpdata
DialogResult mbResult = MessageBox.Show("An old TrueCrypt TPDATA file exists, with a migration flag set.\rNo new TrueCrypt TPDATA file exists, the Tax-Aide utility will be started to create a new data file, migration will happen automatically?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
StartTAUtility("");
}
else
{
Environment.Exit(1);
}
}
}
else
{// reg entry no old file
if (File.Exists(tpdataPath))
{
DialogResult mbResult = MessageBox.Show("There is a migration data flag set, but no old TPDATA file, \r\nDelete the Migration Flag?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error); //Delete reg entries and return on OK, exit on cancel
if (mbResult == DialogResult.OK)
{
DeleteMigrationRegEntries();
return;
}
else
{
Environment.Exit(1);
}
}
else
{
DialogResult mbResult = MessageBox.Show("There is a migration data flag set, but no old TPDATA file, \r\nDelete the Migration Flag?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
DeleteMigrationRegEntries();
StartTAUtility("");
}
else
{
Environment.Exit(1);
}
}
}
#endregion
}
internal TC_Data_File(ProgramData thisProg,TrueCryptSWObj tcswobjpassed)
{
thisProginst = thisProg;
tcSWobj = tcswobjpassed;
if (Directory.Exists(tCryptDriveName))
{
CloseTcFile(); //attempt a file close
if (Directory.Exists(tCryptDriveName))
{// test again after trial close
MessageBox.Show("The P Drive exists. Please close it and restart this program", thisProginst.mbCaption, MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
}
}
if (!Environment.GetEnvironmentVariable("HomeDrive").StartsWith(thisProginst.drvLetter, StringComparison.CurrentCultureIgnoreCase) | Environment.OSVersion.Version.Major < 6)
{//traveler or xp
tpdataPath = thisProginst.drvLetter + ":\\" + dataFileName;
}
else
{//not traveler, not xp
tpdataPath = Environment.GetEnvironmentVariable("Public") + "\\" + dataFileName;
}
//Find out if we have errors conditions
// First see if migration registry key is set
if (thisProginst.removable == false)
{
migration = (string)Microsoft.Win32.Registry.GetValue(regKeyName, "TFTAOld", "");
}
else
{
migration = (string)Microsoft.Win32.Registry.GetValue(regKeyName, "TFTATravOld", "");
}
if (migration == "")
{
if (File.Exists(tpdataPath))
{
return; //non error path is return here error path below here
}
//ERROR PATH BELOW HERE
#region Deal with Migration errors
else
{
DialogResult mbResult = MessageBox.Show("The Tax-Aide TrueCypt data file does not exist, Create it?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
StartTAUtility("format"); // go create the file Use Format argument
}
else
{
Environment.Exit(1);
}
}
}
// below this point have a registry entry when we should not have one means something went wrong in migration
string migrationS = string.Empty;
if (migration.Contains(","))
{// we have old P & old S
migrationS = migration.Substring(migration.IndexOf(",") + 1);
migration = migration.Remove(migration.IndexOf(",")); // gets the P string
}
if (File.Exists(migration))
{//We have reg entry plus old P
if (File.Exists(tpdataPath))
{
migrationFileActionForm migForm = new migrationFileActionForm();
if (thisProg.removable == true)
{//Setup migration form for traveler
DriveInfo drv = new DriveInfo(thisProginst.drvLetter);
string drvName = thisProginst.drvLetter + " (" + drv.VolumeLabel + ") ";
migForm.delInitialExplain.Text = "A TrueCrypt TPDATA file (the P drive) exists on the Traveler Drive\n" + drvName + "In addition an old Traveler TrueCrypt file exists \non the Hard Drive.This looks like a failed migration of user data from \nan old Traveler based Truecrypt file to a new Traveler TrueCrypt file.";
migForm.delNewPStartTAutil.Text = "Delete the current traveler TPDATA file, Start the Tax-Aide Utility \nto create a new Traveler TPDATA file and complete the migration \nthat failed. Effectively start the whole process over.";
migForm.delOldTCFiles.Text = "Delete the old Traveler TrueCrypt file, Assumes data migration is \ndone correctly, and the old file is not needed. Warning - it will be \npermanently deleted. Then open the traveler file as the P drive.";
migForm.radBtGrpBox.Text += " for " + drvName;
}
DialogResult mbResult = migForm.ShowDialog();
if (mbResult == DialogResult.OK)
return; // have to simply open p drive ignore state of old stuff
else if (mbResult == DialogResult.Retry)
{//Delete new tp File and start over
File.Delete(tpdataPath);
StartTAUtility("");
}
else if (mbResult == DialogResult.Yes)
{// delete old TC file(s) and open P drive
File.Delete(migration);
if (migrationS != string.Empty)
File.Delete(migrationS);
DeleteMigrationRegEntries();
return;
}
}
else
{// have registry entry and old tpdataa no new tpdata
DialogResult mbResult = MessageBox.Show("An old TrueCrypt TPDATA file exists, with a migration flag set.\rNo new TrueCrypt TPDATA file exists, the Tax-Aide utility will be started to create a new data file, migration will happen automatically?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
StartTAUtility("");
}
else
{
Environment.Exit(1);
}
}
}
else
{// reg entry no old file
if (File.Exists(tpdataPath))
{
DialogResult mbResult = MessageBox.Show("There is a migration data flag set, but no old TPDATA file, \r\nDelete the Migration Flag?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error); //Delete reg entries and return on OK, exit on cancel
if (mbResult == DialogResult.OK)
{
DeleteMigrationRegEntries();
return;
}
else
Environment.Exit(1);
}
else
{
DialogResult mbResult = MessageBox.Show("There is a migration data flag set, but no old TPDATA file, \r\nDelete the Migration Flag?", thisProginst.mbCaption, MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
if (mbResult == DialogResult.OK)
{
DeleteMigrationRegEntries();
StartTAUtility("");
}
else
Environment.Exit(1);
}
}
#endregion
}