Enumerate network interfaces

[samatt]

If this is going to work well we will need to be have clarity on what network interface we are sniffing on.
The names change depending on OS and sometimes hardware. Things that will helkp in the long term

1. Being able to list all network interface
2. Determining what the active network interface (does scapy tell you that?)
3. Getting all the info for the active interface this could include

• Gateway IP
• Subnet
• Proxy Info if any

Having this information available will help in the future

[kaganjd]

Writing notes for myself so I don't forget!

On Mac, it looks like it uses ifconfig and netstat. To access ifconfig function: from scapy.arch.unix import _guess_iface_name (kinda useless because it requires an argument to guess against). To access netstat function: from scapy.arch.unix import read_routes

There's also a value called conf.iface which is available wherever... probably the output of _guess_iface_name and similar functions for Windows, Linux architectures.

[kaganjd]

closing since I think this is covered by the getNetworkInfo method