Module dns

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

Structs

DnsCacheKey 🔒

Identifier for a DNS request, composed of its source IP and transaction ID

DnsIsolationKey 🔒

A Key used to isolate dns requests.

DnsResponseTarget 🔒

Target for a DNS response

Constants

MAX_DATAGRAM_SIZE 🔒

Maximum length for receiving a single datagram

Functions

do_query 🔒

Run a DNS query over tor, returning either a list of answers, or a DNS error code.

handle_dns_req 🔒

Given a datagram containing a DNS query, resolve the query over the Tor network and send the response back.

run_dns_resolver

Launch a DNS resolver to listen on a given local port, and run indefinitely.