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      From: Varuna De S. <va...@gm...> - 2007-09-17 04:07:25
      
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| >> Hi all, >> >> Is it possible for us to sniff the USB bus, to get the raw USB protocol >> packets, We need to get them and convert it to Pcap format to be decoded >>By Wireshark. >> >> If not the USB bus is it possible to sniff only to a particular device >>attached to the USB bus. But we cant keep the device for ourselves >> but only to sniff what is being transfered out from there. >> >> If both these things are impossible are able to get the raw protocol >> packets, with their protocol headers, from a device, to be decoded by >> our software. >There are several hardware USB sniffers that can capture USB traffic, >but I never heard of one that can send it to wireshark. >It's also possible to sniff on the software level, capturing anything >(almost anything) exchanged between the USB driver and the USB device. >An. example is http://www.pcausa.com/Utilities/UsbSnoop/default.htm >Kind regards, >Bertrik Hello, Thanks for the quick reply, I want to get these packets out from the USB bus, And I am happy about your remark that I can do it :-) I used the USBSnoop and saw it decoding the URBs, But In order to use it I believe I have to modify it code (probably at the driver level) to capture the raw packets to port them to WireShark. Instead Can I use the Libusb-win32 API, without modifying it, to get these packets? Then I can work on the user level rather than at the Kernel level to convert it to the format that, WireShark can Understand. Thanks Best regards Xavier |