start_trace.sh - CHIRP

DevelopersUSB Sniffing in Linux » start_trace.sh

capture script - Daniel Clemmensen, 02/24/2019 10:02 AM

    
    #! /bin/bash

    # Copyright (c) 2019 Dan Clemmensen, licensed to you under GPL v3.

    # 

    # find the correct USB serial port device and run tshark on its usbmon,

    # to capture the interactions into cap.pcap.

    # this script take one parameter: the device id (as 4 hex digits).

    # for example one Prolific device has an ID of 067b

    # We use this apporach because the bus and device numbers can

    # change when you plug and unplug the USB connector.

    #

    # must run as root

    # 

    devstr=$(lsusb -d $1: | tr -d ":")

    words=( $devstr )

    bus=${words[1]#0}

    dev=${words[3]#0}

    bus=$(($bus - 0))

    echo " Starting capture on USB$bus, device $dev"

    tshark - i usbmon$bus -w cap.pcap

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DevelopersUSB Sniffing in Linux » start_trace.sh