Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/netwerk/test/unit/test_trr_cname_chain.js b/netwerk/test/unit/test_trr_cname_chain.js
new file mode 100644
index 0000000000..a3da592b7b
--- /dev/null
+++ b/netwerk/test/unit/test_trr_cname_chain.js
@@ -0,0 +1,231 @@
+/* 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";
+
+let trrServer;
+
+function makeChan(url) {
+  let chan = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIHttpChannel);
+  return chan;
+}
+
+function channelOpenPromise(chan) {
+  return new Promise(resolve => {
+    function finish(req, buffer) {
+      resolve([req, buffer]);
+    }
+    chan.asyncOpen(new ChannelListener(finish));
+  });
+}
+
+add_setup(async function setup() {
+  trr_test_setup();
+  registerCleanupFunction(async () => {
+    trr_clear_prefs();
+  });
+
+  trrServer = new TRRServer();
+  registerCleanupFunction(async () => {
+    await trrServer.stop();
+  });
+  await trrServer.start();
+  dump(`port = ${trrServer.port()}\n`);
+  let chan = makeChan(`https://localhost:${trrServer.port()}/test?bla=some`);
+  let [, resp] = await channelOpenPromise(chan);
+  equal(resp, "<h1> 404 Path not found: /test</h1>");
+
+  Services.dns.clearCache(true);
+  Services.prefs.setIntPref("network.trr.mode", 3);
+  Services.prefs.setCharPref(
+    "network.trr.uri",
+    `https://foo.example.com:${trrServer.port()}/dns-query`
+  );
+});
+
+add_task(async function test_follow_cnames_same_response() {
+  await trrServer.registerDoHAnswers("something.foo", "A", {
+    answers: [
+      {
+        name: "something.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "other.foo",
+      },
+      {
+        name: "other.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "bla.foo",
+      },
+      {
+        name: "bla.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "xyz.foo",
+      },
+      {
+        name: "xyz.foo",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "1.2.3.4",
+      },
+    ],
+  });
+  let { inRecord } = await new TRRDNSListener("something.foo", {
+    expectedAnswer: "1.2.3.4",
+    flags: Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+  });
+  equal(inRecord.QueryInterface(Ci.nsIDNSAddrRecord).canonicalName, "xyz.foo");
+
+  await trrServer.registerDoHAnswers("a.foo", "A", {
+    answers: [
+      {
+        name: "a.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "b.foo",
+      },
+    ],
+  });
+  await trrServer.registerDoHAnswers("b.foo", "A", {
+    answers: [
+      {
+        name: "b.foo",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "2.3.4.5",
+      },
+    ],
+  });
+  await new TRRDNSListener("a.foo", { expectedAnswer: "2.3.4.5" });
+});
+
+add_task(async function test_cname_nodata() {
+  // Test that we don't needlessly follow cname chains when the RA flag is set
+  // on the response.
+
+  await trrServer.registerDoHAnswers("first.foo", "A", {
+    flags: 0x80,
+    answers: [
+      {
+        name: "first.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "second.foo",
+      },
+      {
+        name: "second.foo",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "1.2.3.4",
+      },
+    ],
+  });
+  await trrServer.registerDoHAnswers("first.foo", "AAAA", {
+    flags: 0x80,
+    answers: [
+      {
+        name: "first.foo",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "second.foo",
+      },
+    ],
+  });
+
+  await new TRRDNSListener("first.foo", { expectedAnswer: "1.2.3.4" });
+  equal(await trrServer.requestCount("first.foo", "A"), 1);
+  equal(await trrServer.requestCount("first.foo", "AAAA"), 1);
+  equal(await trrServer.requestCount("second.foo", "A"), 0);
+  equal(await trrServer.requestCount("second.foo", "AAAA"), 0);
+
+  await trrServer.registerDoHAnswers("first.bar", "A", {
+    answers: [
+      {
+        name: "first.bar",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "second.bar",
+      },
+      {
+        name: "second.bar",
+        ttl: 55,
+        type: "A",
+        flush: false,
+        data: "1.2.3.4",
+      },
+    ],
+  });
+  await trrServer.registerDoHAnswers("first.bar", "AAAA", {
+    answers: [
+      {
+        name: "first.bar",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "second.bar",
+      },
+    ],
+  });
+
+  await new TRRDNSListener("first.bar", { expectedAnswer: "1.2.3.4" });
+  equal(await trrServer.requestCount("first.bar", "A"), 1);
+  equal(await trrServer.requestCount("first.bar", "AAAA"), 1);
+  equal(await trrServer.requestCount("second.bar", "A"), 0); // addr included in first response
+  equal(await trrServer.requestCount("second.bar", "AAAA"), 1); // will follow cname because no flag is set
+
+  // Check that it also works for HTTPS records
+
+  await trrServer.registerDoHAnswers("first.bar", "HTTPS", {
+    flags: 0x80,
+    answers: [
+      {
+        name: "second.bar",
+        ttl: 55,
+        type: "HTTPS",
+        flush: false,
+        data: {
+          priority: 1,
+          name: "h3pool",
+          values: [
+            { key: "alpn", value: ["h2", "h3"] },
+            { key: "no-default-alpn" },
+            { key: "port", value: 8888 },
+            { key: "ipv4hint", value: "1.2.3.4" },
+            { key: "echconfig", value: "123..." },
+            { key: "ipv6hint", value: "::1" },
+          ],
+        },
+      },
+      {
+        name: "first.bar",
+        ttl: 55,
+        type: "CNAME",
+        flush: false,
+        data: "second.bar",
+      },
+    ],
+  });
+
+  let { inStatus } = await new TRRDNSListener("first.bar", {
+    type: Ci.nsIDNSService.RESOLVE_TYPE_HTTPSSVC,
+  });
+  Assert.ok(Components.isSuccessCode(inStatus), `${inStatus} should work`);
+  equal(await trrServer.requestCount("first.bar", "HTTPS"), 1);
+  equal(await trrServer.requestCount("second.bar", "HTTPS"), 0);
+});