Re: How to Identify USB devices on linux/ubuntu/debian

https://github.com/OpenSC/OpenSC/blob/master/src/libopensc/reader-pcsc.c#L950.

Am 27. Januar 2017 16:58:16 MEZ schrieb Uv Wildner <[email protected]>:
>Hello, 
>
>I need to identify the USB device to which a card reader with a
>specific card is connected. 
>I am pulling my hair out but cannot find any API call that provides
>this information. 
>
>on Ludovic's blog I find this: 
>https://ludovicrousseau.blogspot.de/2010/05/what-is-in-pcsc-reader-name.html
>
>
>That does not work on my system though! 
>ubuntu xenial 4.4.0-59-generic x86_64 
>
>When I list my card readers I get the list of readers like this from
>SCardListReaders(): 
>
>SCM Microsystems Inc. SCR 3310 00 00 
>SCM Microsystems Inc. SCR 3310 01 00 
>
>OK, so the readers are enumerated. 
>However, I need to know the usb device id to be able to connect the
>reader with the right card to the correct virtualization environment. 
>
>Bus 002 Device 008: ID 04e6:5116 SCM Microsystems, Inc. SCR331-LC1 /
>SCR3310 SmartCard Reader 
>Bus 001 Device 005: ID 04e6:5116 SCM Microsystems, Inc. SCR331-LC1 /
>SCR3310 SmartCard Reader 
>
>I only know that the usb device id can change easily. 
>
>How do I find which USB device has been connected to the the instance
>of the SCardReader???? 
>
>Any pointers greatly welcome. 

-- 
Frank Morgner

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