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Merge 5f4cdbc7dd into f72e4bce6f

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This commit is contained in:
Jonathan Barrow
2025-01-27 22:16:33 +00:00
committed by GitHub
parent f72e4bce6f 5f4cdbc7dd
commit 88ab51aa4e
1 changed files with 41 additions and 11 deletions
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52
dns/src/server.ts
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@@ -1,7 +1,8 @@
import { createServer, Packet } from 'dns2';
import DNS, { createServer, Packet } from 'dns2';
import { table } from 'table';
import colors from '@colors/colors';
import dotenv from 'dotenv';
import type { DnsResponse } from 'dns2';
process.on('SIGTERM', () => {
process.exit();
@@ -10,6 +11,19 @@ process.on('SIGTERM', () => {
dotenv.config();
const addressMap: Record<string, string> = {};
const wiimmfiResolver = new DNS({
nameServers: [
'95.217.77.181' // * https://wiimmfi.de/patcher/dnspatch
]
});
const fallbackResolver = new DNS({
// * dns2 will run queries to all of these servers at once, and use the first response it gets
nameServers: [
'9.9.9.9', // * https://quad9.net
'1.1.1.1', // * https://www.cloudflare.com/learning/dns/what-is-1.1.1.1
'8.8.8.8' // * https://developers.google.com/speed/public-dns
]
});
for (const variable in process.env) {
if (variable.startsWith('SSSL_DNS_MAP')) {
@@ -80,21 +94,37 @@ if (tcpPort === 0) {
const server = createServer({
udp: true,
tcp: true,
handle: (request, send) => {
handle: async (request, send) => {
const [ question ] = request.questions;
const { name } = question;
let response: DnsResponse | null = null;
if (addressMap[name]) {
const response = Packet.createResponseFromRequest(request);
try {
if (addressMap[name]) {
// * If requesting one of our known domains, use our servers
response = Packet.createResponseFromRequest(request);
response.answers.push({
name,
type: Packet.TYPE.A,
class: Packet.CLASS.IN,
ttl: 300,
address: addressMap[name]
});
response.answers.push({
name,
type: Packet.TYPE.A,
class: Packet.CLASS.IN,
ttl: 300,
address: addressMap[name]
});
} else if (name.endsWith('nintendowifi.net')) {
// * Assume Wiimmfi. WiiLink NAS will not work with our DNS
// * NOTE - This still points conntest.nintendowifi.net to OUR servers, since the Wii U also uses it
response = await wiimmfiResolver.resolve(name);
} else {
// * Fallback to public DNS servers for everything else
response = await fallbackResolver.resolve(name);
}
} catch {
// * Eat errors for now
// TODO - Send a SERVFAIL response
}
if (response) {
send(response);
}
}