Writing WebDav extension (file system filter driver?)

NTFSD
1

Hi,
I have to add pemission management (and some other things) to
the standard windows webdav client. Basically it should work like this:

  • user maps webdav folder as a drive letter
  • user looks at file or folder properties and sees property page that
    looks exactly as standard windows property page for permission management
    for ntfs.

I know windows uses webdav redirector driver to map drive letter, but it
does not support some features WebDav supports. So my questions are:

  1. Is it possible (and how difficult it is) to write a file system filter
    driver for standard WebDav redirector to support such features?
  2. Should it be lower or upper filter driver?
  3. I know nothing about writing file system filter driver - where could I
    find some informations about it?

Peter Szulc

2

I forgot to write that user should also be able to change permissions.

On Wed, 5 May 2004, Piotr Szulc wrote:

Hi,
I have to add pemission management (and some other things) to
the standard windows webdav client. Basically it should work like this:

  • user maps webdav folder as a drive letter
  • user looks at file or folder properties and sees property page that
    looks exactly as standard windows property page for permission management
    for ntfs.

I know windows uses webdav redirector driver to map drive letter, but it
does not support some features WebDav supports. So my questions are:

  1. Is it possible (and how difficult it is) to write a file system filter
    driver for standard WebDav redirector to support such features?
  2. Should it be lower or upper filter driver?
  3. I know nothing about writing file system filter driver - where could I
    find some informations about it?

Peter Szulc

Questions? First check the IFS FAQ at https://www.osronline.com/article.cfm?id=17

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3

Peter,

To address only your specific points (I’ll leave it to others to ask the
perennial question “why”):

(1) Yes, it is possible to write a file system filter driver for WebDAV
on Windows XP.
(2) There is no concept of a “lower filter” for WebDAV - the level
“below” the mrxdav driver would be the user mode service that supports
it.
(3) This list is a good place to start. Since you are focused
specifically on XP and newer, I’d strongly suggest trying to build this
as a mini filter, rather than a monolithic filter, because that will
ease the process of getting into the development effort. Make sure you
have the IFS Kit. Make sure you understand drivers in Windows in
general. Try to get the beta IFS Kit that includes the filter manager
(again, information on that is in the list archive.)

Regards,

Tony

Tony Mason
Consulting Partner
OSR Open Systems Resources Inc
http:/www.osr.com

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Piotr Szulc
Sent: Wednesday, May 05, 2004 8:13 AM
To: ntfsd redirect
Subject: [ntfsd] Writing WebDav extension (file system filter driver?)

Hi,
I have to add pemission management (and some other things) to
the standard windows webdav client. Basically it should work like this:

  • user maps webdav folder as a drive letter
  • user looks at file or folder properties and sees property page that
    looks exactly as standard windows property page for permission
    management
    for ntfs.

I know windows uses webdav redirector driver to map drive letter, but
it
does not support some features WebDav supports. So my questions are:

  1. Is it possible (and how difficult it is) to write a file system
    filter
    driver for standard WebDav redirector to support such features?
  2. Should it be lower or upper filter driver?
  3. I know nothing about writing file system filter driver - where could
    I
    find some informations about it?

Peter Szulc

Questions? First check the IFS FAQ at
https://www.osronline.com/article.cfm?id=17

You are currently subscribed to ntfsd as: xxxxx@osr.com
To unsubscribe send a blank email to xxxxx@lists.osr.com