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Merge pull request #1473 from Computroniks/#1059-specify-dns-resolver-port

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Added #1059: Allow to specify Resolver Port for DNS Monitor
This commit is contained in:
Louis Lam
2022-05-25 14:59:14 +08:00
committed by GitHub
parent d892b2c549 3c01e8732c
commit 35b8e89457
4 changed files with 26 additions and 3 deletions
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8
server/util-server.js
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@@ -176,12 +176,16 @@ exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
* Resolves a given record using the specified DNS server
* @param {string} hostname The hostname of the record to lookup
* @param {string} resolverServer The DNS server to use
* @param {string} resolverPort Port the DNS server is listening on
* @param {string} rrtype The type of record to request
* @returns {Promise<(string[]|Object[]|Object)>}
*/
exports.dnsResolve = function (hostname, resolverServer, rrtype) {
exports.dnsResolve = function (hostname, resolverServer, resolverPort, rrtype) {
const resolver = new Resolver();
resolver.setServers([ resolverServer ]);
// Remove brackets from IPv6 addresses so we can re-add them to
// prevent issues with ::1:5300 (::1 port 5300)
resolverServer = resolverServer.replace("[", "").replace("]", "");
resolver.setServers([`[${resolverServer}]:${resolverPort}`]);
return new Promise((resolve, reject) => {
if (rrtype === "PTR") {
resolver.reverse(hostname, (err, records) => {