// These are globlas defined for proxy servers, in ProxyAutoConfig.cpp. See // PACGlobalFunctions /* globals dnsResolve, alert */ /* This test checks that using a PAC script still works when TRR is on. Steps: - Set the pac script - Do a request to make sure that the script is loaded - Set the TRR mode - Make a request that would lead to running the PAC script We run these steps for TRR mode 2 and 3, and with fetchOffMainThread = true/false */ const { HttpServer } = ChromeUtils.importESModule( "resource://testing-common/httpd.sys.mjs" ); const { MockRegistrar } = ChromeUtils.importESModule( "resource://testing-common/MockRegistrar.sys.mjs" ); registerCleanupFunction(async () => { Services.prefs.clearUserPref("network.proxy.type"); Services.prefs.clearUserPref("network.proxy.parse_pac_on_socket_process"); trr_clear_prefs(); }); function FindProxyForURL(url, host) { alert(`PAC resolving: ${host}`); alert(dnsResolve(host)); return "DIRECT"; } ChromeUtils.defineLazyGetter(this, "systemSettings", function () { return { QueryInterface: ChromeUtils.generateQI(["nsISystemProxySettings"]), mainThreadOnly: true, PACURI: `data:application/x-ns-proxy-autoconfig;charset=utf-8,${encodeURIComponent( FindProxyForURL.toString() )}`, getProxyForURI(aURI) { throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED); }, }; }); const override = Cc["@mozilla.org/network/native-dns-override;1"].getService( Ci.nsINativeDNSResolverOverride ); async function do_test_pac_dnsResolve() { Services.prefs.setCharPref("network.trr.confirmationNS", "skip"); Services.console.reset(); // Create a console listener. let consolePromise = new Promise(resolve => { let listener = { observe(message) { // Ignore unexpected messages. if (!(message instanceof Ci.nsIConsoleMessage)) { return; } if (message.message.includes("PAC file installed from")) { Services.console.unregisterListener(listener); resolve(); } }, }; Services.console.registerListener(listener); }); MockRegistrar.register( "@mozilla.org/system-proxy-settings;1", systemSettings ); Services.prefs.setIntPref( "network.proxy.type", Ci.nsIProtocolProxyService.PROXYCONFIG_SYSTEM ); let httpserv = new HttpServer(); httpserv.registerPathHandler("/", function handler(metadata, response) { let content = "ok"; response.setHeader("Content-Length", `${content.length}`); response.bodyOutputStream.write(content, content.length); }); httpserv.start(-1); Services.prefs.setBoolPref("network.dns.native-is-localhost", false); Services.prefs.setIntPref("network.trr.mode", 0); // Disable TRR until the PAC is loaded override.addIPOverride("example.org", "127.0.0.1"); let chan = NetUtil.newChannel({ uri: `http://example.org:${httpserv.identity.primaryPort}/`, loadUsingSystemPrincipal: true, }).QueryInterface(Ci.nsIHttpChannel); await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve))); await consolePromise; let h2Port = Services.env.get("MOZHTTP2_PORT"); Assert.notEqual(h2Port, null); Assert.notEqual(h2Port, ""); override.addIPOverride("foo.example.com", "127.0.0.1"); Services.prefs.setCharPref( "network.trr.uri", `https://foo.example.com:${h2Port}/doh?responseIP=127.0.0.1` ); trr_test_setup(); async function test_with(DOMAIN, trrMode, fetchOffMainThread) { Services.prefs.setIntPref("network.trr.mode", trrMode); // TRR first Services.prefs.setBoolPref( "network.trr.fetch_off_main_thread", fetchOffMainThread ); override.addIPOverride(DOMAIN, "127.0.0.1"); chan = NetUtil.newChannel({ uri: `http://${DOMAIN}:${httpserv.identity.primaryPort}/`, loadUsingSystemPrincipal: true, }).QueryInterface(Ci.nsIHttpChannel); await new Promise(resolve => chan.asyncOpen(new ChannelListener(resolve))); await override.clearHostOverride(DOMAIN); } await test_with("test1.com", 2, true); await test_with("test2.com", 3, true); await test_with("test3.com", 2, false); await test_with("test4.com", 3, false); await httpserv.stop(); } add_task(async function test_pac_dnsResolve() { Services.prefs.setBoolPref( "network.proxy.parse_pac_on_socket_process", false ); await do_test_pac_dnsResolve(); if (mozinfo.socketprocess_networking) { info("run test again"); Services.prefs.clearUserPref("network.proxy.type"); trr_clear_prefs(); Services.prefs.setBoolPref( "network.proxy.parse_pac_on_socket_process", true ); Services.prefs.setIntPref("network.proxy.type", 2); Services.prefs.setIntPref("network.proxy.type", 0); await do_test_pac_dnsResolve(); } });