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PSC: Move share

, 25 Mar 2013 CPOL 7.6K 2
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I have decided what the Power of scripting script should do! If you move a share by moving it in windows explorer the share will stop work. If you move the folder with File System Object from vbscript the share will still be there but will be pointing at the old path that no longer [...]

shareerror

I have decided what the Power of scripting script should do! If you move a share by moving it in windows explorer the share will stop work. If you move the folder with File System Object from vbscript the share will still be there but will be pointing at the old path that no longer exists. So how to solve this?

I know a few ways that you don't. First attempt was to use the winnt://localhost/lanmanserver/ object to try updating the path of the share. No luck the property is read only!

Next attempt was using WMI instead. Same thing, unable to update the path. So i thought I delete the share and then create it again. Well enough that worked how ever I didn't manage to get the rights for the share to come along to the new one. There is methods to extract the access mask for the share and supply it when creating a new one, so I think it can be solved. I didn't have the time to do so this time and I think I proved my point about the power of scripting.

At the same time I have learned or realized a few things that I didn't thought about. Most scripts I have written in the past has been for controlled environments.  By that I mean a system where a specific task was asked from the script and the run was always with the same parameters. Here I'm writing a script that should run on different versions of the operating system and with several different variables.

So some of the limitations I ran into can be expressed in the words: Access Denied! It was issues with running some of the commands from the script without running it with elevation. This is no issue running it from the command prompt with cscript moveshare.vbs as long as you start the cmd with elevation (right-click and select Run As Administrator). There are ways around this even with the "double-click execution" of scripts that are discussed in detail here.

So the window version of the script is pretty useless with a standard setup. How ever if you run the script with elevation from the cmd you will be able to move shares around on the disk. The script is pretty ruff around the edges and some more error handling and stuff needs to be added. There probably will be solvable to get the share to keep it's access list as well. This script should be seen as a proof of concept.

'********************************************************************************************
'*
'*		Power of scripting challange!	
'*
'*		moveshare.vbs
'*
'*		Purpose: Move a shared folder from one location to another
'*		without losing the share!
'*
'*		Written by Kristofer Källsbo 
'*
'*		http://www.hackviking.com
'*
'********************************************************************************************
Option explicit
Dim FSO

'Get the filesystem object ready
Set FSO = CreateObject("Scripting.FileSystemObject")

'First check if we are running in console mode or window mode
If (InStr(1, WScript.FullName, "cscript", vbTextCompare)) Then
    InitConsole
ElseIf (InStr(1, WScript.FullName, "wscript", vbTextCompare)) Then
    InitWindow
Else
	' Hope this never fires! <img class="wp-smiley" alt=":)" src="http://www.hackviking.com/wp-includes/images/smilies/icon_smile.gif" /> 
    wscript.echo "How the hell did you start this script?"
End If

'Clean up
Set FSO = Nothing

'Handles the command line run of the script
Sub InitConsole()
	'Check if we have any parameters
	If (Wscript.Arguments.Count < 2) Then
		'Display help
		wscript.echo "Move share script"
		wscript.echo ""
		wscript.echo "Use: cscript moveshare.vbs {source} {destination}"
		wscript.echo ""
		wscript.echo "source = complete path of the shared folder"
		wscript.echo "destination = full path of the folder where the shared folder should be moved"
		wscript.echo ""
		wscript.echo "moveshare.vbs		Kristofer Källsbo	http://www.hackviking.com"
	Else
		'Verrify the parameters
		Dim sourcePath, destPath
		sourcePath = Wscript.Arguments(0)
		destPath = Wscript.Arguments(1)
		
		If Not (FSO.FolderExists(sourcePath)) Then
			'Display error
			wscript.echo "Source path was not found!"
			Exit Sub
		End If
		
		If Not (FSO.FolderExists(destPath)) Then
			'Display error
			wscript.echo "Destination path was not found!"
			
			'End this execution run
			Exit Sub
		End If
		
		'Do the move
		wscript.echo MoveShare(sourcePath, destPath)
	End If
End Sub

'Handles the double click run of the script
Sub InitWindow()
	Dim sourcePath, destPath, msgboxRetval
	
	'Get source path from user
	sourcePath = InputBox("This script will move an entire shared folder to a new location withou losing the share!" & vbNewLine & vbNewLine & "Enter path of share:", "Move Share Script")
	
	'Validate source path
	If (sourcePath = "") Then
		'Display error and end it
		msgboxRetval = MsgBox("Source path not entered or cancel was clicked!", vbOKOnly+vbCritical, "Source path error!")
		Exit Sub
	Else
		'Check that path exists
		If Not (FSO.FolderExists(sourcePath)) Then
			'Display error
			msgboxRetval = MsgBox("Source path was not found!", vbRetryCancel+vbCritical+vbDefaultButton1, "Source path error!") 
			
			'Check if user wants to retry
			If (msgboxRetval = 4) Then
				InitWindow
			End If
			
			'End this execution run
			Exit Sub
		End If
	End if
	
	'Get destination path from user
	destPath = InputBox("Enter destination path of share:", "Move share script")
	
	'Validate destination path
	If (destPath = "") Then
		'Display error and end it
		msgboxRetval = MsgBox("Destination path not entered or cancel was clicked!", vbOKOnly+vbCritical, "Destination path error!")
		Exit Sub
	Else
		'Check that path exists
		If Not (FSO.FolderExists(destPath)) Then
			'Display error
			msgboxRetval = MsgBox("Destination path was not found!", vbRetryCancel+vbCritical+vbDefaultButton1, "Destination path error!") 
			
			'Check if user wants to retry
			If (msgboxRetval = 4) Then
				InitWindow
			End If
			
			'End this execution run
			Exit Sub
		End If
	End If
	
	'We are all good to go, lets move
	wscript.echo MoveShare(sourcePath, destPath)
End Sub	

	
Function MoveShare(sourcePath, destPath)
	Dim retval, objWMI, objInstances, objInstance, sourceFolder, sourceName, AccessMask, AllowMaximum, Caption, Description, MaximumAllowed, Name, shareType, delRetval, objNewShare, createRetval

	'Add a \ to the destpath, making shure it will be treated as a folder
	destPath = destPath & "\"
	
	'Get the shares
	Set objWMI = GetObject("winmgmts://./root\cimv2")
	Set objInstances = objWMI.InstancesOf("Win32_Share",48)
	
	'Get the correct folder path with upper and lower cases
	Set sourceFolder = FSO.GetFolder(sourcePath)
	sourcePath = sourceFolder.Path
	sourceName = sourceFolder.Name
	
	'Get the share
	'On Error Resume Next
	For Each objInstance in objInstances
		If(objInstance.Path = sourcePath) Then
			'Store all the options
			With objInstance
				AccessMask = .AccessMask
				AllowMaximum = .AllowMaximum
				Caption = .Caption
				Description = .Description
				MaximumAllowed = .MaximumAllowed
				Name = .Name
				shareType = .Type
			End With
			
			'Delete the share
			delRetval = objInstance.Delete()
			
			'Check that delete worked
			If Not(delRetval = 0) Then
				retval = "Error: Unable to delete share!" & vbNewLine & "Error code: " & delRetval
				MoveShare = retval
				Exit Function
			End If
		End If
	Next
	On Error Goto 0
	
	'Move the folder
	FSO.MoveFolder sourcePath, destPath
	
	'Setup the share in the new location
	Set objNewShare = objWMI.Get("Win32_Share") 
	createRetval = objNewShare.Create(destPath & sourceName, Name, shareType, MaximumAllowed, Description, null, null)
	
	'Check that the new share was created
	If Not(createRetval = 0) Then
		retval = "Error: New share not created!"
	End If
	
	'Return result
	MoveShare = retval
End Function

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Kristofer Kallsbo
CEO Kallsbo Consulting
Sweden Sweden
I develop in C# on .Net platforms like MVC. Like to use jQuery to build rich interfaces. I also blog about development and snags I got and the solutions I found for them. I also a full time CIO at a Swedish energy company. When there is time I do some part time consulting on cloud issues.

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