[Spice-devel] usbredir doesn't hide/filter specific usb devices

[Uri Lublin]

Hi Zhijian,

On Tue, Feb 15, 2022 at 3:52 PM Li, Zhijian <lizhijian at cn.fujitsu.com>
wrote:

> Hi guys
>
> I intended to not allow redirecting some of my usb devices(HID) to the
> guest, i thought https://www.spice-space.org/usbredir.html
> could help on this.
>
> My host has below usb devices
>
> lizj at FNSTPC:~/workspace/vgt/virt-viewer/src$ lsusb
> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 001 Device 006: ID 04d8:0b2a Microchip Technology, Inc.
> Bus 001 Device 021: ID 046d:c534 Logitech, Inc. Unifying Receiver
> Bus 001 Device 004: ID 0424:2137 Standard Microsystems Corp.
> Bus 001 Device 003: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS
> 802.11n WLAN Adapter
> Bus 001 Device 002: ID 0bda:8771 Realtek Semiconductor Corp.
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
> $ remote-viewer
> --spice-usbredir-auto-redirect-filter="-1,0x0bda,-1,-1,0" --spice-debug
> spice://localhost:5900
>

> For testing, i just want to hide produce id 0x0bda from remote-viewer
> with above command line. But acutally
>
> i am still able to redirec both Realtek device to the guest through
> remote-viewer.
>
> So is there something with my usage ? Feel free to let me know if there
> is something wrong.
>

The auto-redirect-filter only works for auto-redirected USB devices.
When a user is choosing a device from the menu, the filter does not apply.

Regards,
    Uri.


>
> Thanks
>
> Zhijian
>
>
>
>
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