diff --git a/client/internal/routemanager/dnsinterceptor/handler.go b/client/internal/routemanager/dnsinterceptor/handler.go index f92300bfd..d20f4b944 100644 --- a/client/internal/routemanager/dnsinterceptor/handler.go +++ b/client/internal/routemanager/dnsinterceptor/handler.go @@ -479,7 +479,7 @@ func (d *DnsInterceptor) removeDNATMappings(realPrefixes []netip.Prefix, logger // internalDnatFw checks if the firewall supports internal DNAT func (d *DnsInterceptor) internalDnatFw() (internalDNATer, bool) { - if d.firewall == nil || runtime.GOOS != "android" { + if d.firewall == nil || d.fakeIPManager == nil || runtime.GOOS != "android" { return nil, false } fw, ok := d.firewall.(internalDNATer) diff --git a/client/internal/routemanager/manager.go b/client/internal/routemanager/manager.go index 2ab7e2a85..0cb74fd45 100644 --- a/client/internal/routemanager/manager.go +++ b/client/internal/routemanager/manager.go @@ -165,31 +165,36 @@ func (m *DefaultManager) setupAndroidRoutes(config ManagerConfig) { routesForComparison := slices.Clone(cr) if config.DNSFeatureFlag { - m.fakeIPManager = fakeip.NewManager() - - v4ID := uuid.NewString() - fakeIPRoute := &route.Route{ - ID: route.ID(v4ID), - Network: m.fakeIPManager.GetFakeIPBlock(), - NetID: route.NetID(v4ID), - Peer: m.pubKey, - NetworkType: route.IPv4Network, - } - v6ID := uuid.NewString() - fakeIPv6Route := &route.Route{ - ID: route.ID(v6ID), - Network: m.fakeIPManager.GetFakeIPv6Block(), - NetID: route.NetID(v6ID), - Peer: m.pubKey, - NetworkType: route.IPv6Network, - } - cr = append(cr, fakeIPRoute, fakeIPv6Route) - m.notifier.SetFakeIPRoutes([]*route.Route{fakeIPRoute, fakeIPv6Route}) + cr = append(cr, m.enableFakeIPRoutes()...) } m.notifier.SetInitialClientRoutes(cr, routesForComparison) } +func (m *DefaultManager) enableFakeIPRoutes() []*route.Route { + m.fakeIPManager = fakeip.NewManager() + + v4ID := uuid.NewString() + fakeIPRoute := &route.Route{ + ID: route.ID(v4ID), + Network: m.fakeIPManager.GetFakeIPBlock(), + NetID: route.NetID(v4ID), + Peer: m.pubKey, + NetworkType: route.IPv4Network, + } + v6ID := uuid.NewString() + fakeIPv6Route := &route.Route{ + ID: route.ID(v6ID), + Network: m.fakeIPManager.GetFakeIPv6Block(), + NetID: route.NetID(v6ID), + Peer: m.pubKey, + NetworkType: route.IPv6Network, + } + fakeRoutes := []*route.Route{fakeIPRoute, fakeIPv6Route} + m.notifier.SetFakeIPRoutes(fakeRoutes) + return fakeRoutes +} + func (m *DefaultManager) setupRefCounters(useNoop bool) { var once sync.Once var wgIface *net.Interface @@ -464,6 +469,9 @@ func (m *DefaultManager) UpdateRoutes( var merr *multierror.Error if !m.disableClientRoutes { + if runtime.GOOS == "android" && useNewDNSRoute && m.fakeIPManager == nil { + m.enableFakeIPRoutes() + } // Update route selector based on management server's isSelected status m.updateRouteSelectorFromManagement(clientRoutes) diff --git a/client/internal/routemanager/notifier/notifier_android.go b/client/internal/routemanager/notifier/notifier_android.go index 49300dbb2..31f2a7aef 100644 --- a/client/internal/routemanager/notifier/notifier_android.go +++ b/client/internal/routemanager/notifier/notifier_android.go @@ -41,6 +41,7 @@ func (n *Notifier) SetInitialClientRoutes(initialRoutes []*route.Route, routesFo // SetFakeIPRoutes stores the fake IP routes to be included in every TUN rebuild. func (n *Notifier) SetFakeIPRoutes(routes []*route.Route) { n.fakeIPRoutes = routes + n.notify() } func (n *Notifier) OnNewRoutes(idMap route.HAMap) {