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Access based file system directory enumeration

  • US 20070022091A1
  • Filed: 07/20/2005
  • Published: 01/25/2007
  • Est. Priority Date: 07/20/2005
  • Status: Abandoned Application
First Claim
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1. A computer implemented method for providing a filtered file system directory listing on a host computer, the method comprising:

  • receiving, from a process associated with a user, a file system directory listing request for a directory stored within an NTFS type file system, wherein the user has a defined set of data object access permissions;

    receiving a file system directory listing for the directory, wherein the file system directory listing includes a corresponding entry for each data object within at least one data object;

    removing at least one entry within the file system directory listing by filtering out the at least one entry within the file system directory listing in response to the defined set of data object access permissions for the user prohibiting access to a corresponding data object that corresponds to the at least one entry within the file system directory listing, thereby creating a filtered file system directory; and

    forwarding the filtered file system directory listing to the process, the filtered file system directory listing consisting of the file system directory listing with the at least one entry removed therefrom.

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