Method resolve

mitmproxy/addons/dns_resolver.py:116–147

(
        self,
        message: dns.DNSMessage,
    )

        )

    async def resolve(
        self,
        message: dns.DNSMessage,
    ) -> dns.DNSMessage:
        q = message.question
        assert q
        try:
            if q.type == dns.types.A:
                ip_addrs = await self.resolver().lookup_ipv4(q.name)
            else:
                ip_addrs = await self.resolver().lookup_ipv6(q.name)
        except socket.gaierror as e:
            match e.args[0]:
                case socket.EAI_NONAME:
                    return message.fail(dns.response_codes.NXDOMAIN)
                case socket.EAI_NODATA:
                    ip_addrs = []
                case _:
                    return message.fail(dns.response_codes.SERVFAIL)

        return message.succeed(
            [
                dns.ResourceRecord(
                    name=q.name,
                    type=q.type,
                    class_=q.class_,
                    ttl=dns.ResourceRecord.DEFAULT_TTL,
                    data=ipaddress.ip_address(ip).packed,
                )
                for ip in ip_addrs
            ]
        )


class Resolver(Protocol):