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Chetwood

How to determine proper mount of Truecrypt drive

4 posts in this topic

When using my pen drive on someone else's computer I start a script that mounts an encrypted file on it to a new drive letter. Adding a sleep routine for 5 seconds or so till I have entered the password and the drive is done mounting seems a bit clumsy. So how can my script determine that Truecrypt has successfully mounted the file to a drive letter so it can start Total Commander from it?


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When using my pen drive on someone else's computer I start a script that mounts an encrypted file on it to a new drive letter. Adding a sleep routine for 5 seconds or so till I have entered the password and the drive is done mounting seems a bit clumsy. So how can my script determine that Truecrypt has successfully mounted the file to a drive letter so it can start Total Commander from it?

Just an idea (no worries, someone will give you a better one later :) ). You could create a file (in my example is named "mounted") in the root of your TrueCrypt file. The script will check all mounted removable drives and then if there is a file named mounted on the root of that drive... if exists, then you know it is already mounted ;-)

$file="mounted"
While 1
$array=DriveGetDrive("REMOVABLE")

If Not @error Then
    For $i=1 To $array[0]
        If FileExists($array[$i] & "\" & $file) Then _YourFunc()
    Next
EndIf
Sleep(250)
WEnd

Func _YourFunc()
    MsgBox(0, "Mounted","Mounted in drive " & $array[$i])
    Exit
EndFunc

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You might be able to make use of DriveGetFileSystem() as well.

Just for testing I mounted an image file to a virtual drive (M:) and tried this with usable results.

$sDrive = "M:"
$iMounted = StringRegExp(DriveGetFileSystem($sDrive), "(?i)[a-z]")
If $iMounted Then MsgBox(0, "Result", "Mounted" & @CRLF & DriveGetFileSystem($sDrive))

I'm not going to play with TruCrypt to see if it also works in there.


George

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