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read-only access

Posted on 2002-04-23
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Last Modified: 2010-05-02
Hai,

I'm using the functions below to find some directory in which a user has write access. However, in a map with 50 subdirectories where the user only has write access to 5 of them I find the procedure to slow.

Does someone know a quicker way to check for write access to the sub maps?

(BTW, yes, most of the functions came out of VBA help files  ;-)   )

Function Make_List() As String
Dim MyPath As String, MyName As String, maplist As String
  MyPath = "f:\data\"
  MyName = Dir(MyPath, vbDirectory)
  Do While MyName <> ""
    If MyName <> "." And MyName <> ".." Then
      If (GetAttr(MyPath & MyName) And vbDirectory) = vbDirectory Then
            If check_access(MyPath & MyName & "\") Then maplist = maplist & "," & MyName
      End If
    End If
    MyName = Dir
  Loop
  Make_List = Right(maplist, Len(maplist) - 1)
End Function

Private Function check_access(pad As String) As Boolean
  On Error GoTo handler
  Open pad & "TESTFILE" For Output As #1
  Close #1
  Kill pad & "TESTFILE"
  check_access = True
  Exit Function
handler:
  check_access = False
End Function

Kind regards
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Question by:ehout
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2 Comments
 
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Accepted Solution

by:
Elmo_ earned 300 total points
ID: 6962315
ehout,

If you goto the following website you should get everything you need and more.

http://www.allapi.net/apilist/apifunction.php?apifunction=GetFileSecurity

This API should allow you to identify the security type on the folders you are checking.

There is also an example of how to get the Security Type and Change it.

Hope this helps.

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Author Comment

by:ehout
ID: 7069801
Hi,

Indeed it seems to do the trick. However I'm not a hardcore programmer (though willing to learn). Could you or someone please tell me how to use that function?

The ntfs example seems a bit complex to me.
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