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* wg-dark: a tiny toy darknet
@ 2018-09-03 23:08 Jake McGinty
  0 siblings, 0 replies; 1+ messages in thread
From: Jake McGinty @ 2018-09-03 23:08 UTC (permalink / raw)
  To: WireGuard mailing list; +Cc: notrhodey

I thought I'd share a toy darknet to the list. It's p2p, but with a
coordinating server to deal with addressing and NAT holepunching.

The client is 134 lines of cross-platform bash. The coordinating server
is an additional ~175 lines of node.

repo: https://github.com/wg-dark/wg-dark


# How it works

A coordinating server is at an external address (ex. cool.dark.net) and
a fixed internal wg address (10.13.37.1). It handles 1) invites,
2) address assignment, and 3) peer announcements / NAT holepunching.

1) Any existing darknet peer GETs http://10.13.37.1:1337/invite, and
receives something like
"cool.dark.net:1337:6e435b7a2541b7443adebec9754fae9d". They give it to
an Invitee.

1) Invitee POSTs https://cool.dark.net:1337/join and sends its invite
code and a generated wg pubkey.

2) Server sends back an assigned address (ex. 10.13.37.2/32) and the
server's pubkey.

3) Invitee adds the server as a peer to a new wg interface.

4) Invitee GETs http://10.13.37.1:1337/status and receives a wireguard
configuration list of all peers with their latest endpoints.

5) Peers periodically repeats the status request to update their peer lists.

That's about it. It's incredibly feature-limited, quick, dirty, and has
infinite room for improvement.


<< Not for use for anything other than funsies. >>

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