Implement a simple DNS resolver that relay request over Tor.
A resolver is launched with
run_dns_resolver(), which listens for new
connections and then runs
Identifier for a DNS request, composed of its source IP and transaction ID
A Key used to isolate dns requests.
Target for a DNS response
Maximum length for receiving a single datagram
Run a DNS query over tor, returning either a list of answers, or a DNS error code.
Given a datagram containing a DNS query, resolve the query over the Tor network and send the response back.
Launch a DNS resolver to listen on a given local port, and run indefinitely.