Module dns 

Implement a simple DNS resolver that relay request over Tor.

A resolver is created with bind_dns_resolver(), which opens a set of listener ports. DnsProxy::run_dns_proxy then listens for DNS requests, and sends back replies in response.

Structs

DnsCacheKey 🔒

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

DnsIsolationKey 🔒

A Key used to isolate dns requests.

DnsProxy

A DNS proxy server that can run indefinitely.

DnsResponseTarget 🔒

Target for a DNS response

Constants

MAX_DATAGRAM_SIZE 🔒

Maximum length for receiving a single datagram

Functions

bind_dns_resolver

Bind to a set of DNS ports, and return a new DnsProxy.

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_with_listeners 🔒

Inner task: Receive incoming DNS requests and process them.