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ttwe-proto
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A taster of TTWE
Download README (.md)
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ttwe-proto
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### Overview This is a prototype rendition of the TTWE framework. It is not considered mature, as many changes need to be made to improve maintainability and usability. You have been warned. It is provided as an early taster for the very curious, until the aforementioned changes make it suitable for mass consumption. For a full description, please refer to the WOOT paper: https://www.usenix.org/system/files/conference/woot14/woot14-vantonder.pdf ### Running it Create the necessary pipes for the driver communication. For instance: $ sudo ./create_pipes.sh You need Python 2.7 for the host emulation driver, and Python 3 for the client emulation driver. Future changes will use only Python 3. Plug the **HOST** emluating Facedancer in first, which will register as ttyUSB0. $ sudo python TTWEHost.py [-h] [-v] [--OUT OUT] [--IN IN] [--IN2 IN2] ``` optional arguments: -h, --help show this help message and exit -v, --verbose turn on verbose output of USB communication --OUT OUT peripheral OUT Endpoint number --IN IN peripheral IN Endpoint number --IN2 IN2 peripheral IN2 Endpoint number ``` $ sudo python3 TTWEClient.py [-h] [-v] [--fuzz FUZZ] ``` optional arguments: -h, --help show this help message and exit -v, --verbose turn on verbose output of USB communication --fuzz FUZZ endpoint to be fuzzed (0 for device enumeration phase) ``` ### Notes The client and host drivers are built on top of the GoodFET software for the Facedancer. A series of callbacks in the ```service_irqs``` functions of GoodFETMAXUSB.py and MAXUSBApp.py refer to the functions in TTWEHost.py and TTWEClient.py repsectively. You may need to change the HostRelayDevice endpoint numbers to correspond with those specified in the endpoint descriptor of the original peripheral if you want to fiddle with bulk or interrupt transfers. This can be done with the `--OUT`, `--IN`, and `--IN2` options. The Facedancer supports up to one OUT endpoint and two IN endpoints, which should suffice for most USB peripherals. Communication output is placed in `usbcomms.log` Here is a diagram of the concept:  ### License Copyright (c) 2014 Rijnard van Tonder, @rvtond MIT License Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
