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Member "samba-4.0.0alpha5/source/ntvfs/README" of archive samba-4.0.0alpha5.tar.gz:

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    1 This is the base of the new NTVFS subsystem for Samba. The model for
    2 NTVFS backends is quite different than for the older style VFS
    3 backends, in particular:
    4 
    5 - the NTVFS backends receive windows style file names, although they
    6   are in the unix charset (usually UTF8). This means the backend is
    7   responsible for mapping windows filename conventions to unix
    8   filename conventions if necessary
    9 
   10 - the NTVFS backends are responsible for changing effective UID before
   11   calling any OS local filesystem operations (if needed). The
   12   become_*() functions are provided to make this easier.
   13 
   14 - the NTVFS backends are responsible for resolving DFS paths
   15 
   16 - each NTVFS backend handles either disk, printer or IPC$ shares,
   17   rather than one backend handling all types
   18 
   19 - the entry points of the NTVFS backends correspond closely with basic
   20   SMB operations, wheres the old VFS was modelled directly on the
   21   POSIX filesystem interface.
   22 
   23 - the NTVFS backends are responsible for all semantic mappings, such
   24   as mapping dos file attributes, ACLs, file ownership and file times
   25 
   26