Tor rust controller

This is a Work in Progress.

This should eventually be a rust library to control the tor deameon through the control protocol [1].

The library should provide an interface similar to stem [2].

[1] https://gitweb.torproject.org/torspec.git/tree/control-spec.txt [2] https://stem.torproject.org

DONE

• Do error handling: make all functions return Results, and change all the unwrap()'s to try!()'s.
• Randomize ClientNonce.
• Verify ServerHash.
• Implement TCP connection.
• Implement Unix socket connection.
• Implement AuthCookie authentication.
• Implement a utility to launch the tor daemon

TODO

• Implement the different methods of authentication (Cookie, HashedPassword, Null).
• Unquote strings.
• Implement async events, probably by registering callbacks and keeping a thread running and reading incoming messages.
• Allow passing a configuration to the tor process.
• Add creation, deletion and listing of hidden services.
• ...