The Tor Browser: dom/wifi/WifiNetUtil.jsm@6474c204b198 (annotated)

dom/wifi/WifiNetUtil.jsm@6474c204b198 (annotated)

dom/wifi/WifiNetUtil.jsm

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 /* 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";
 const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/systemlibs.js");
 XPCOMUtils.defineLazyServiceGetter(this, "gNetworkService",
                                    "@mozilla.org/network/service;1",
                                    "nsINetworkService");
 this.EXPORTED_SYMBOLS = ["WifiNetUtil"];
 const DHCP_PROP = "init.svc.dhcpcd";
 const DHCP      = "dhcpcd";
 const DEBUG     = false;
 this.WifiNetUtil = function(controlMessage) {
   function debug(msg) {
     if (DEBUG) {
       dump('-------------- NetUtil: ' + msg);
     }
   }
   var util = {};
   util.configureInterface = function(cfg, callback) {
     let message = { cmd:     "ifc_configure",
                     ifname:  cfg.ifname,
                     ipaddr:  cfg.ipaddr,
                     mask:    cfg.mask,
                     gateway: cfg.gateway,
                     dns1:    cfg.dns1,
                     dns2:    cfg.dns2 };
     controlMessage(message, function(data) {
       callback(!data.status);
     });
   };
   util.runDhcp = function (ifname, callback) {
     controlMessage({ cmd: "dhcp_do_request", ifname: ifname }, function(data) {
       var dhcpInfo = data.status ? null : data;
       util.runIpConfig(ifname, dhcpInfo, callback);
     });
   };
   util.stopDhcp = function (ifname, callback) {
     // This function does exactly what dhcp_stop does. Unforunately, if we call
     // this function twice before the previous callback is returned. We may block
     // our self waiting for the callback. It slows down the wifi startup procedure.
     // Therefore, we have to roll our own version here.
     let dhcpService = DHCP_PROP + "_" + ifname;
     let suffix = (ifname.substr(0, 3) === "p2p") ? "p2p" : ifname;
     let processName = DHCP + "_" + suffix;
     stopProcess(dhcpService, processName, callback);
   };
   util.enableInterface = function (ifname, callback) {
     controlMessage({ cmd: "ifc_enable", ifname: ifname }, function (data) {
       callback(!data.status);
     });
   };
   util.disableInterface = function (ifname, callback) {
     controlMessage({ cmd: "ifc_disable", ifname: ifname }, function (data) {
       callback(!data.status);
     });
   };
   util.startDhcpServer = function (config, callback) {
     gNetworkService.setDhcpServer(true, config, function (error) {
       callback(!error);
     });
   };
   util.stopDhcpServer = function (callback) {
     gNetworkService.setDhcpServer(false, null, function (error) {
       callback(!error);
     });
   };
   util.addHostRoute = function (ifname, route, callback) {
     controlMessage({ cmd: "ifc_add_host_route", ifname: ifname, route: route }, function(data) {
       callback(!data.status);
     });
   };
   util.removeHostRoutes = function (ifname, callback) {
     controlMessage({ cmd: "ifc_remove_host_routes", ifname: ifname }, function(data) {
       callback(!data.status);
     });
   };
   util.setDefaultRoute = function (ifname, route, callback) {
     controlMessage({ cmd: "ifc_set_default_route", ifname: ifname, route: route }, function(data) {
       callback(!data.status);
     });
   };
   util.getDefaultRoute = function (ifname, callback) {
     controlMessage({ cmd: "ifc_get_default_route", ifname: ifname }, function(data) {
       callback(!data.route);
     });
   };
   util.removeDefaultRoute = function (ifname, callback) {
     controlMessage({ cmd: "ifc_remove_default_route", ifname: ifname }, function(data) {
       callback(!data.status);
     });
   };
   util.resetConnections = function (ifname, callback) {
     controlMessage({ cmd: "ifc_reset_connections", ifname: ifname }, function(data) {
       callback(!data.status);
     });
   };
   util.releaseDhcpLease = function (ifname, callback) {
     controlMessage({ cmd: "dhcp_release_lease", ifname: ifname }, function(data) {
       callback(!data.status);
     });
   };
   util.getDhcpError = function (callback) {
     controlMessage({ cmd: "dhcp_get_errmsg" }, function(data) {
       callback(data.error);
     });
   };
   util.runDhcpRenew = function (ifname, callback) {
     controlMessage({ cmd: "dhcp_do_request", ifname: ifname }, function(data) {
       callback(data.status ? null : data);
     });
   };
   util.runIpConfig = function (name, data, callback) {
     if (!data) {
       debug("IP config failed to run");
       callback({ info: data });
       return;
     }
     setProperty("net." + name + ".dns1", ipToString(data.dns1),
                 function(ok) {
       if (!ok) {
         debug("Unable to set net.<ifname>.dns1");
         return;
       }
       setProperty("net." + name + ".dns2", ipToString(data.dns2),
                   function(ok) {
         if (!ok) {
           debug("Unable to set net.<ifname>.dns2");
           return;
         }
         setProperty("net." + name + ".gw", ipToString(data.gateway),
                     function(ok) {
           if (!ok) {
             debug("Unable to set net.<ifname>.gw");
             return;
           }
           callback({ info: data });
         });
       });
     });
   };
   //--------------------------------------------------
   // Helper functions.
   //--------------------------------------------------
   function stopProcess(service, process, callback) {
     var count = 0;
     var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
     function tick() {
       let result = libcutils.property_get(service);
       if (result === null) {
         callback();
         return;
       }
       if (result === "stopped" || ++count >= 5) {
         // Either we succeeded or ran out of time.
         timer = null;
         callback();
         return;
       }
       // Else it's still running, continue waiting.
       timer.initWithCallback(tick, 1000, Ci.nsITimer.TYPE_ONE_SHOT);
     }
     setProperty("ctl.stop", process, tick);
   }
   // Wrapper around libcutils.property_set that returns true if setting the
   // value was successful.
   // Note that the callback is not called asynchronously.
   function setProperty(key, value, callback) {
     let ok = true;
     try {
       libcutils.property_set(key, value);
     } catch(e) {
       ok = false;
     }
     callback(ok);
   }
   function ipToString(n) {
     return String((n >>  0) & 0xFF) + "." +
                  ((n >>  8) & 0xFF) + "." +
                  ((n >> 16) & 0xFF) + "." +
                  ((n >> 24) & 0xFF);
   }
   return util;
 };

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dom/wifi/WifiNetUtil.jsm@6474c204b198 (annotated)

dom/wifi/WifiNetUtil.jsm