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-rw-r--r--netwerk/test/unit/test_dns_override.js515
1 files changed, 515 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_dns_override.js b/netwerk/test/unit/test_dns_override.js
new file mode 100644
index 0000000000..f092dd531c
--- /dev/null
+++ b/netwerk/test/unit/test_dns_override.js
@@ -0,0 +1,515 @@
+"use strict";
+
+const override = Cc["@mozilla.org/network/native-dns-override;1"].getService(
+ Ci.nsINativeDNSResolverOverride
+);
+const defaultOriginAttributes = {};
+const mainThread = Services.tm.currentThread;
+
+class Listener {
+ constructor() {
+ this.promise = new Promise(resolve => {
+ this.resolve = resolve;
+ });
+ }
+
+ onLookupComplete(inRequest, inRecord, inStatus) {
+ this.resolve([inRequest, inRecord, inStatus]);
+ }
+
+ async firstAddress() {
+ let all = await this.addresses();
+ if (all.length) {
+ return all[0];
+ }
+
+ return undefined;
+ }
+
+ async addresses() {
+ let [, inRecord] = await this.promise;
+ let addresses = [];
+ if (!inRecord) {
+ return addresses; // returns []
+ }
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ while (inRecord.hasMore()) {
+ addresses.push(inRecord.getNextAddrAsString());
+ }
+ return addresses;
+ }
+
+ then() {
+ return this.promise.then.apply(this.promise, arguments);
+ }
+}
+Listener.prototype.QueryInterface = ChromeUtils.generateQI(["nsIDNSListener"]);
+
+const DOMAIN = "example.org";
+const OTHER = "example.com";
+
+add_setup(async function setup() {
+ trr_test_setup();
+
+ registerCleanupFunction(async () => {
+ trr_clear_prefs();
+ });
+});
+
+add_task(async function test_bad_IPs() {
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, DOMAIN),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, ""),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, " "),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+ Assert.throws(
+ () => override.addIPOverride(DOMAIN, "1-2-3-4"),
+ /NS_ERROR_UNEXPECTED/,
+ "Should throw if input is not an IP address"
+ );
+});
+
+add_task(async function test_ipv4() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "1.2.3.4");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "1.2.3.4");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_ipv6() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "fe80::6a99:9b2b:6ccc:6e1b");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_clearOverrides() {
+ let listener = new Listener();
+ override.addIPOverride(DOMAIN, "1.2.3.4");
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "1.2.3.4");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.notEqual(await listener.firstAddress(), "1.2.3.4");
+
+ await new Promise(resolve => do_timeout(1000, resolve));
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_clearHostOverride() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(OTHER, "2.2.2.2");
+ override.clearHostOverride(DOMAIN);
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+
+ Assert.notEqual(await listener.firstAddress(), "2.2.2.2");
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ OTHER,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.equal(await listener.firstAddress(), "2.2.2.2");
+
+ // Note: this test will use the actual system resolver. On windows we do a
+ // second async call to the system libraries to get the TTL values, which
+ // keeps the record alive after the onLookupComplete()
+ // We need to wait for a bit, until the second call is finished before we
+ // can clear the cache to make sure we evict everything.
+ // If the next task ever starts failing, with an IP that is not in this
+ // file, then likely the timeout is too small.
+ await new Promise(resolve => do_timeout(1000, resolve));
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_multiple_IPs() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(DOMAIN, "1.1.1.1");
+ override.addIPOverride(DOMAIN, "::1");
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), [
+ "2.2.2.2",
+ "1.1.1.1",
+ "::1",
+ "fe80::6a99:9b2b:6ccc:6e1b",
+ ]);
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_address_family_flags() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.addIPOverride(DOMAIN, "1.1.1.1");
+ override.addIPOverride(DOMAIN, "::1");
+ override.addIPOverride(DOMAIN, "fe80::6a99:9b2b:6ccc:6e1b");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_DISABLE_IPV4,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), [
+ "::1",
+ "fe80::6a99:9b2b:6ccc:6e1b",
+ ]);
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_DISABLE_IPV6,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ Assert.deepEqual(await listener.addresses(), ["2.2.2.2", "1.1.1.1"]);
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_cname_flag() {
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ let [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.throws(
+ () => inRecord.canonicalName,
+ /NS_ERROR_NOT_AVAILABLE/,
+ "No canonical name flag"
+ );
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.equal(inRecord.canonicalName, DOMAIN, "No canonical name specified");
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+
+ override.addIPOverride(DOMAIN, "2.2.2.2");
+ override.setCnameOverride(DOMAIN, OTHER);
+ listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+ [, inRecord] = await listener;
+ inRecord.QueryInterface(Ci.nsIDNSAddrRecord);
+ Assert.equal(inRecord.canonicalName, OTHER, "Must have correct CNAME");
+ Assert.equal(inRecord.getNextAddrAsString(), "2.2.2.2");
+
+ Services.dns.clearCache(false);
+ override.clearOverrides();
+});
+
+add_task(async function test_nxdomain() {
+ override.addIPOverride(DOMAIN, "N/A");
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ DOMAIN,
+ Ci.nsIDNSService.RESOLVE_TYPE_DEFAULT,
+ Ci.nsIDNSService.RESOLVE_CANONICAL_NAME,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+
+ let [, , inStatus] = await listener;
+ equal(inStatus, Cr.NS_ERROR_UNKNOWN_HOST);
+});
+
+function makeChan(url) {
+ let chan = NetUtil.newChannel({
+ uri: url,
+ loadUsingSystemPrincipal: true,
+ contentPolicyType: Ci.nsIContentPolicy.TYPE_DOCUMENT,
+ }).QueryInterface(Ci.nsIHttpChannel);
+ return chan;
+}
+
+function channelOpenPromise(chan, flags) {
+ return new Promise(resolve => {
+ function finish(req, buffer) {
+ resolve([req, buffer]);
+ }
+ chan.asyncOpen(new ChannelListener(finish, null, flags));
+ });
+}
+
+function hexToUint8Array(hex) {
+ return new Uint8Array(hex.match(/.{1,2}/g).map(byte => parseInt(byte, 16)));
+}
+
+add_task(
+ {
+ skip_if: () => mozinfo.os == "win" || mozinfo.os == "android",
+ },
+ async function test_https_record_override() {
+ let trrServer = new TRRServer();
+ await trrServer.start();
+ registerCleanupFunction(async () => {
+ await trrServer.stop();
+ });
+
+ await trrServer.registerDoHAnswers("service.com", "HTTPS", {
+ answers: [
+ {
+ name: "service.com",
+ ttl: 55,
+ type: "HTTPS",
+ flush: false,
+ data: {
+ priority: 1,
+ name: ".",
+ 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" },
+ { key: "odoh", value: "456..." },
+ ],
+ },
+ },
+ {
+ name: "service.com",
+ ttl: 55,
+ type: "HTTPS",
+ flush: false,
+ data: {
+ priority: 2,
+ name: "test.com",
+ values: [
+ { key: "alpn", value: "h2" },
+ { key: "ipv4hint", value: ["1.2.3.4", "5.6.7.8"] },
+ { key: "echconfig", value: "abc..." },
+ { key: "ipv6hint", value: ["::1", "fe80::794f:6d2c:3d5e:7836"] },
+ { key: "odoh", value: "def..." },
+ ],
+ },
+ },
+ ],
+ });
+
+ let chan = makeChan(
+ `https://foo.example.com:${trrServer.port()}/dnsAnswer?host=service.com&type=HTTPS`
+ );
+ let [, buf] = await channelOpenPromise(chan);
+ let rawBuffer = hexToUint8Array(buf);
+
+ override.addHTTPSRecordOverride("service.com", rawBuffer, rawBuffer.length);
+
+ Services.prefs.setBoolPref("network.dns.native_https_query", true);
+ registerCleanupFunction(async () => {
+ Services.prefs.clearUserPref("network.dns.native_https_query");
+ });
+
+ let listener = new Listener();
+ Services.dns.asyncResolve(
+ "service.com",
+ Ci.nsIDNSService.RESOLVE_TYPE_HTTPSSVC,
+ 0,
+ null,
+ listener,
+ mainThread,
+ defaultOriginAttributes
+ );
+
+ let [, inRecord, inStatus] = await listener;
+ equal(inStatus, Cr.NS_OK);
+ let answer = inRecord.QueryInterface(Ci.nsIDNSHTTPSSVCRecord).records;
+ equal(answer[0].priority, 1);
+ equal(answer[0].name, "service.com");
+ Assert.deepEqual(
+ answer[0].values[0].QueryInterface(Ci.nsISVCParamAlpn).alpn,
+ ["h2", "h3"],
+ "got correct answer"
+ );
+ Assert.ok(
+ answer[0].values[1].QueryInterface(Ci.nsISVCParamNoDefaultAlpn),
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[0].values[2].QueryInterface(Ci.nsISVCParamPort).port,
+ 8888,
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[0].values[3].QueryInterface(Ci.nsISVCParamIPv4Hint).ipv4Hint[0]
+ .address,
+ "1.2.3.4",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[0].values[4].QueryInterface(Ci.nsISVCParamEchConfig).echconfig,
+ "123...",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[0].values[5].QueryInterface(Ci.nsISVCParamIPv6Hint).ipv6Hint[0]
+ .address,
+ "::1",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[0].values[6].QueryInterface(Ci.nsISVCParamODoHConfig).ODoHConfig,
+ "456...",
+ "got correct answer"
+ );
+
+ Assert.equal(answer[1].priority, 2);
+ Assert.equal(answer[1].name, "test.com");
+ Assert.equal(answer[1].values.length, 5);
+ Assert.deepEqual(
+ answer[1].values[0].QueryInterface(Ci.nsISVCParamAlpn).alpn,
+ ["h2"],
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[1].QueryInterface(Ci.nsISVCParamIPv4Hint).ipv4Hint[0]
+ .address,
+ "1.2.3.4",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[1].QueryInterface(Ci.nsISVCParamIPv4Hint).ipv4Hint[1]
+ .address,
+ "5.6.7.8",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[2].QueryInterface(Ci.nsISVCParamEchConfig).echconfig,
+ "abc...",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[3].QueryInterface(Ci.nsISVCParamIPv6Hint).ipv6Hint[0]
+ .address,
+ "::1",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[3].QueryInterface(Ci.nsISVCParamIPv6Hint).ipv6Hint[1]
+ .address,
+ "fe80::794f:6d2c:3d5e:7836",
+ "got correct answer"
+ );
+ Assert.equal(
+ answer[1].values[4].QueryInterface(Ci.nsISVCParamODoHConfig).ODoHConfig,
+ "def...",
+ "got correct answer"
+ );
+ }
+);
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-31 18:18:46 +0000