mozilla-central/netwerk/test/unit/test_trr_strict_mode.js (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
function setup() {
trr_test_setup();
}
setup();
add_task(async function checkBlocklisting() {
Services.prefs.setBoolPref("network.trr.temp_blocklist", true);
Services.prefs.setBoolPref("network.trr.strict_native_fallback", true);
let trrServer = new TRRServer();
registerCleanupFunction(async () => {
await trrServer.stop();
});
await trrServer.start();
info(`port = ${trrServer.port()}\n`);
Services.dns.clearCache(true);
Services.prefs.setCharPref(
"network.trr.uri",
`https://foo.example.com:${trrServer.port()}/dns-query`
);
Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRFIRST);
// Check that we properly fallback to native DNS for a variety of DNS rcodes
for (let i = 0; i <= 5; i++) {
info(`testing rcode=${i}`);
await trrServer.registerDoHAnswers(`sub${i}.blocklisted.com`, "A", {
flags: i,
});
await trrServer.registerDoHAnswers(`sub${i}.blocklisted.com`, "AAAA", {
flags: i,
});
await new TRRDNSListener(`sub${i}.blocklisted.com`, {
expectedAnswer: "127.0.0.1",
});
Services.dns.clearCache(true);
await new TRRDNSListener(`sub${i}.blocklisted.com`, {
expectedAnswer: "127.0.0.1",
});
await new TRRDNSListener(`sub.sub${i}.blocklisted.com`, {
expectedAnswer: "127.0.0.1",
});
Services.dns.clearCache(true);
}
});