feature/mozilla upstream (#1237)

* cherry-pick 4dfcad96506fb5b88c5bb27342b6d9413fc361c9 from mozilla upstream

* cherry-pick a95fa8c088b9edaff2de18751336942c2d145a9a from mozilla

* cherry-pick commit 4fc1ebbad86a9abcafdc761725a7afd811c8d2d3 from mozilla

* cherry-pick 4dfcad96506fb5b88c5bb27342b6d9413fc361c9 from mozilla upstream

* cherry-pick 22de4fcbd454c64ff496c3380eeaeeb6afff4d64 from mozilla upstream

* cherry-pick 649673be561b66c96367adf379da1545f8838763 from mozilla upstream

* cherry-pick 41bdad34517d0ddaef32139482e5505d92e4b533 from mozilla upstream

* cherry-pick f6e49a85538eaa230d3a8634fa7600966132ccab from mozilla upstream

* cherry-pick 86c585387efa0a09c7937dfe799a90a666404fcd from mozilla upstream

* cherry-pick a18c1fac740469ca3566751b74a16227518630c4 from mozilla upstream

* fixed missing ;

* added excludeLocalNetworks() for linux

* build fixes on windows after cherry-picks

* Add rules for excluded sites splittunell mode

* Fix app splittunell when ipv6 is not setup

* Fix Linux build

---------

Co-authored-by: Mykola Baibuz <mykola.baibuz@gmail.com>

client/daemon/daemon.cpp

@@ -114,12 +114,23 @@ bool Daemon::activate(const InterfaceConfig& config) {
 
   // Bring up the wireguard interface if not already done.
   if (!wgutils()->interfaceExists()) {
+    // Create the interface.
     if (!wgutils()->addInterface(config)) {
       logger.error() << "Interface creation failed.";
       return false;
     }
   }
 
+  // Bring the interface up.
+  if (supportIPUtils()) {
+    if (!iputils()->addInterfaceIPs(config)) {
+      return false;
+    }
+    if (!iputils()->setMTUAndUp(config)) {
+      return false;
+    }
+  }
+
   // Configure routing for excluded addresses.
   for (const QString& i : config.m_excludedAddresses) {
     addExclusionRoute(IPAddress(i));
@@ -135,15 +146,6 @@ bool Daemon::activate(const InterfaceConfig& config) {
     return false;
   }
 
-  if (supportIPUtils()) {
-    if (!iputils()->addInterfaceIPs(config)) {
-      return false;
-    }
-    if (!iputils()->setMTUAndUp(config)) {
-      return false;
-    }
-  }
-
   // set routing
   for (const IPAddress& ip : config.m_allowedIPAddressRanges) {
     if (!wgutils()->updateRoutePrefix(ip)) {

client/daemon/daemon.h

@@ -8,6 +8,8 @@
 #include <QDateTime>
 #include <QTimer>
 
+#include "daemon/daemonerrors.h"
+#include "daemonerrors.h"
 #include "dnsutils.h"
 #include "interfaceconfig.h"
 #include "iputils.h"
@@ -51,7 +53,7 @@ class Daemon : public QObject {
    */
   void activationFailure();
   void disconnected();
-  void backendFailure();
+  void backendFailure(DaemonError reason = DaemonError::ERROR_FATAL);
 
  private:
   bool maybeUpdateResolvers(const InterfaceConfig& config);

client/daemon/daemonerrors.h

@@ -0,0 +1,17 @@
+/* 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/. */
+
+#pragma once
+
+#include <cstdint>
+
+enum class DaemonError : uint8_t {
+  ERROR_NONE = 0u,
+  ERROR_FATAL = 1u,
+  ERROR_SPLIT_TUNNEL_INIT_FAILURE = 2u,
+  ERROR_SPLIT_TUNNEL_START_FAILURE = 3u,
+  ERROR_SPLIT_TUNNEL_EXCLUDE_FAILURE = 4u,
+
+  DAEMON_ERROR_MAX = 5u,
+};

client/daemon/daemonlocalserverconnection.cpp

@@ -159,9 +159,10 @@ void DaemonLocalServerConnection::disconnected() {
   write(obj);
 }
 
-void DaemonLocalServerConnection::backendFailure() {
+void DaemonLocalServerConnection::backendFailure(DaemonError err) {
   QJsonObject obj;
   obj.insert("type", "backendFailure");
+  obj.insert("errorCode", static_cast<int>(err));
   write(obj);
 }
 

client/daemon/daemonlocalserverconnection.h

@@ -7,6 +7,8 @@
 
 #include <QObject>
 
+#include "daemonerrors.h"
+
 class QLocalSocket;
 
 class DaemonLocalServerConnection final : public QObject {
@@ -23,7 +25,7 @@ class DaemonLocalServerConnection final : public QObject {
 
   void connected(const QString& pubkey);
   void disconnected();
-  void backendFailure();
+  void backendFailure(DaemonError err);
 
   void write(const QJsonObject& obj);
 

client/daemon/wireguardutils.h

@@ -45,9 +45,11 @@ class WireguardUtils : public QObject {
 
   virtual bool updateRoutePrefix(const IPAddress& prefix) = 0;
   virtual bool deleteRoutePrefix(const IPAddress& prefix) = 0;
-
+  
   virtual bool addExclusionRoute(const IPAddress& prefix) = 0;
   virtual bool deleteExclusionRoute(const IPAddress& prefix) = 0;
+
+  virtual bool excludeLocalNetworks(const QList<IPAddress>& addresses) = 0;
 };
 
 #endif  // WIREGUARDUTILS_H