Fuchsia: Disable service origin check. Bind service to all interfaces.

runtime/bin/vmservice/server.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of vmservice_io;
 
 class WebSocketClient extends Client {
   static const int PARSE_ERROR_CODE = 4000;
   static const int BINARY_MESSAGE_ERROR_CODE = 4001;
   static const int NOT_MAP_ERROR_CODE = 4002;
@@ skipping 148 matching lines @@
     if ((uri.port == _server.port) &&
         ((uri.host == _server.address.address) ||
          (uri.host == _server.address.host))) {
       return true;
     }
 
     return false;
   }
 
   bool _originCheck(HttpRequest request) {
-    if (_originCheckDisabled) {
+    if (_originCheckDisabled || Platform.isFuchsia) {
       // Always allow.
       return true;
     }
     // First check the web-socket specific origin.
     List<String> origins = request.headers["Sec-WebSocket-Origin"];
     if (origins == null) {
       // Fall back to the general Origin field.
       origins = request.headers["Origin"];
     }
     if (origins == null) {
@@ skipping 119 matching lines @@
   }
 
   Future startup() async {
     if (_server != null) {
       // Already running.
       return this;
     }
 
     // Startup HTTP server.
     try {
-      var addresses = await InternetAddress.lookup(_ip);
       var address;
-      // Prefer IPv4 addresses.
-      for (var i = 0; i < addresses.length; i++) {
-        address = addresses[i];
-        if (address.type == InternetAddressType.IP_V4) break;
+      if (Platform.isFuchsia) {
+        address = InternetAddress.ANY_IP_V6;

[siva, 2017/01/13 18:33:00]

Will this also work for clients that only have IPv4?

[zra, 2017/01/13 20:25:57]

Yes, I have verified that I can connect from my desktop with an ipv4 address.

+      } else {
+        var addresses = await InternetAddress.lookup(_ip);
+        // Prefer IPv4 addresses.
+        for (var i = 0; i < addresses.length; i++) {
+          address = addresses[i];
+          if (address.type == InternetAddressType.IP_V4) break;
+        }
       }
       _server = await HttpServer.bind(address, _port);
       _server.listen(_requestHandler, cancelOnError: true);
       print('Observatory listening on $serverAddress');
       // Server is up and running.
       _notifyServerState(serverAddress.toString());
       onServerAddressChange('$serverAddress');
       return this;
     } catch (e, st) {
       print('Could not start Observatory HTTP server:\n$e\n$st\n');
@@ skipping 30 matching lines @@
       _notifyServerState("");
       onServerAddressChange(null);
       return this;
     });
   }
 
 }
 
 void _notifyServerState(String uri)
     native "VMServiceIO_NotifyServerState";