I have managed to create my first upper filter driver for mouclass and it is working fine in WS2012R2. Problem is that it is not working when I connect with remote desktop. I think it should or am I missing something.
It also should read different configurations for different users… how should I implement that?
Thanks!
To clarify:
when you use the mouse locally on your 2012 R2 server, your driver works, but when using RDP from a different machine (where presumably your driver is not installed) you are hoping that the driver installed on the server will recognise the remote user and filter the RDP mouse traffic somehow. Is that correct?
I suspect that by the time the server gets the RDP mouse traffic, it’s too late for such filtering.
Per-user settings should go in the User’s registry hive, probably somewhere below HKCU\Software\ .
-----Original Message-----
From: xxxxx@lists.osr.com [mailto:bounce-593351-
xxxxx@lists.osr.com] On Behalf Of xxxxx@heinostenkoti.com
Sent: 15 October 2015 12:30
To: Windows System Software Devs Interest List
Subject: [ntdev] Mouclass upper filter with RDPI have managed to create my first upper filter driver for mouclass and
it is working fine in WS2012R2. Problem is that it is not working when
I connect with remote desktop. I think it should or am I missing
something.
It also should read different configurations for different users… how
should I implement that?
Thanks!
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That is exactly the issue.
I have BlackBox invisaPC (rdp) with a touch screen that is not accurate enough. I should correct the mouse moves…
I understood that the mouse for remote desktop goes through mouclass too… Am I wrong?
How could I filter rdp mouse?
I may be mistaken, but as I said in my previous reply, by the time the mouse data is made available to the Host session, it’s too late to filter it.
I think you will have to install your driver on the client instead, so that the RDP client gets the filtered mouse data to pass on to the Host.
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From: xxxxx@lists.osr.com [mailto:bounce-593356-
xxxxx@lists.osr.com] On Behalf Of xxxxx@heinostenkoti.com
Sent: 15 October 2015 13:56
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] Mouclass upper filter with RDPThat is exactly the issue.
I have BlackBox invisaPC (rdp) with a touch screen that is not accurate
enough. I should correct the mouse moves…
I understood that the mouse for remote desktop goes through mouclass
too… Am I wrong?
How could I filter rdp mouse?
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I cannot install anything to the client: InvisaPC?KVM extension, switching, and remote desktop solutions.
Anyway when I test it with my windows 10, something happens in remote desktop connection. Mouse clicks are not received…
Anybody else? Any ideas?
Rdp input does not go through a PnP stack so your filter is not involved. Rdp input is not designed to be filtered
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From: xxxxx@heinostenkoti.com
Sent: Thursday, October 15, 2015 6:49 AM
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] Mouclass upper filter with RDP
I cannot install anything to the client: InvisaPC?KVM extension, switching, and remote desktop solutions.
Anyway when I test it with my windows 10, something happens in remote desktop connection. Mouse clicks are not received…
Anybody else? Any ideas?
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Hmm. The only other suggestion I have is horrible: to create a global hook for mouse traffic in the server session.
See https://msdn.microsoft.com/en-us/library/windows/desktop/ms644959.aspx if you feel you must go down this route.
-----Original Message-----
From: xxxxx@lists.osr.com [mailto:bounce-593361-
xxxxx@lists.osr.com] On Behalf Of xxxxx@heinostenkoti.com
Sent: 15 October 2015 14:49
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] Mouclass upper filter with RDPI cannot install anything to the client: InvisaPC?KVM extension,
switching, and remote desktop solutions.Anyway when I test it with my windows 10, something happens in remote
desktop connection. Mouse clicks are not received…Anybody else? Any ideas?
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Just for information.
Windows 8+ provides a separate PnP stack for each input device in the
RDP sessions. Therefore if you write a PnP filter correctly you will
able to intercept keystrokes and mouse moves in the RDP sessions by
exactly same method as for “normal” console input devices.
No additional code needed.
Windows 7 has two non-PnP stacks for RDP input that are managed by
the termdd.sys. The activity in these stacks is invisible to the
normal PnP filters. if you need to support Windows 7 and earlier
versions look at the following solution:
Microsoft KB 2867446
https://support.microsoft.com/en-us/kb/2867446
How to enable a third-party driver to intercept and disable
the SAS keyboard sequence in Remote Desktop Protocol (RDP)
sessions for Windows 7, Windows Server 2008 R2, Windows 8
and Windows Server 2012
That is the news I wanted to hear! I remember reading that in Windows 8.1 and Windows Server 2012 R2 it should work.
Aleh can you give me some help how to enable it? I have used moufiltr example and installed the service and then added upper filter for mouclass…
The “moufiltr” sample from the Windows SDK was designed to work with PS/2 devices only.
Try to create mouse class filter driver. This is a more generic and more simple way
and you will able to filter PS/2, USB, RDP and all other mouse devices.
See “Keyboard and mouse class drivers”, “Mouclass Driver Reference” and other related
topics in the MSDN. This is a documented way and all information is publicly available.
I started this discussion with: “I have managed to create my first upper filter driver for mouclass and it is working fine in WS2012R2.” And it works for for USB mouse devices… But with RDP it disables mouse clicks and is not changing the mouse moves as I wanted, so I think it is not working at all.
> The “moufiltr” sample from the Windows SDK was designed to work with PS/2 devices only.
At least “kbdfiltr” from the samples have the code both for generic PnP keyboard filter (between kbdclass and the port driver), as also for PS/2 i8042prt plugin callbacks.
Don’t remember about “moufiltr”, it is probably the same.
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xxxxx@storagecraft.com
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My setting is for class is
UpperFilters=moufiltr mouclass
is that ok? Anyway it works locally but not in RDP.
Heinis wrote:
I think it is not working at all.
Just try to hook mouclass!IRP_MJ_READ handler on Windows 8
or higher and you will capture the RDP mouse “traffic”.
My setting is for class is
UpperFilters=moufiltr mouclass
is that ok?
It is better to load filter after mouclass:
UpperFilters = mouclass MyFilter
1 moufilyr has ps2 specific code in it, but it will run on any mouse stack
2 for the vast majority of people, you want your filter before mouclass. After is not the best place for it. The amount of complexity you deal with being before is much smaller than after
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From: xxxxx@mail.ru
Sent: Friday, October 16, 2015 6:25 AM
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] Mouclass upper filter with RDP
Heinis wrote:
>
> I think it is not working at all.
Just try to hook mouclass!IRP_MJ_READ handler on Windows 8
or higher and you will capture the RDP mouse “traffic”.
> My setting is for class is
> UpperFilters=moufiltr mouclass
> is that ok?
It is better to load filter after mouclass:
UpperFilters = mouclass MyFilter
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> Maxim S. Shatskih wrote:
At least “kbdfiltr” from the samples have the code both for generic PnP keyboard
filter (between kbdclass and the port driver), as also for PS/2 i8042prt plugin
callbacks.
I mean the following:
WDK 7.1/moufiltr/Moufiltr.htm:
“The .inf file included in this sample is designed to filter a PS/2 mouse”.
Doron Holan wrote:
for the vast majority of people, you want your filter before mouclass. After
is not the best place for it. The amount of complexity you deal with being
before is much smaller than after
Yes, may be.
> I mean the following:
> WDK 7.1/moufiltr/Moufiltr.htm:
And I mean the code.
The code (when I was last looking into it years ago) contains both i8042prt plugin (PS/2 only) and the generic PnP mouse filter, below mouclass and above the port.
You only filter only the “register callback” IRP and wrap a decorator around the callback.
The callback sees the array of mouse message structures and head/tail pointers in it.
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Maxim S. Shatskih
Microsoft MVP on File System And Storage
xxxxx@storagecraft.com
http://www.storagecraft.com
I am using wdf. Is that an issue?
No it is not
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From: xxxxx@heinostenkoti.com
Sent: Monday, October 19, 2015 10:05 AM
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] Mouclass upper filter with RDP
I am using wdf. Is that an issue?
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I am using SC CREATE moufiltr binPath=C:\windows… type= kernel to install the service. Then I added UpperFilters=moufiltr mouclass to registry.
Now I get message: “Trying to disable physical device not enabled in this session” and the mouse is not working in rdp.
Please help… I am new to driver programming… I will buy you a beer if you come to Finland! 