Scapy

Scapy

Scapy is a Python library for parsing out wireless information. Imagine an API for your hardware, aircrack, nmap, tcpdump, traceroute, and various other networking utilities, all rolled into one Python library. That's Scapy.

References

Great intro to scapy's many functions: http://www.secdev.org/projects/scapy/demo.html

Great video tutorial: https://www.youtube.com/watch?v=-s4iyNSxs1k

Same setup, with a small battery-powered router: http://minipwner.com/index.php/forum/6-minipnwer-use/1787-my-experience-with-aircrack

Installing Scapy on Mac

NameError: global name dnet is not defined

On starting Scapy, I was seeing this:

Scapy has a number of dependencies on the Mac. One of them is a Python module that wraps a C library called dnet. If you try to install pydnet using pip, you will get errors when you run Scapy. But you can install libdnet from source, then build the Python extension yourself.

Hat tip to this page: http://juhalaaksonen.com/blog/2013/12/11/installing-scapy-for-mac-os-x/

#!/bin/sh 

wget http://libdnet.googlecode.com/files/libdnet-1.12.tgz
tar xfz libdnet-1.12.tgz
cd libdnet-1.12
./configure
make
sudo make install
cd python
sudo python setup.py install

This did not solve the problem for me, however.

Fixing

I fixed this by using Homebrew to install Scapy.

brew install homebrew/python/scapy