fix: wireguard auto close not working

This commit is contained in:
gVisor bot 2023-04-26 09:33:58 +08:00
parent b0c56eee28
commit 30c0359666

View file

@ -40,6 +40,7 @@ type WireGuard struct {
startOnce sync.Once
startErr error
resolver *dns.Resolver
refP *refProxyAdapter
}
type WireGuardOption struct {
@ -100,6 +101,20 @@ func (d *wgSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr
return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
}
type wgSingErrorHandler struct {
name string
}
var _ E.Handler = (*wgSingErrorHandler)(nil)
func (w wgSingErrorHandler) NewError(ctx context.Context, err error) {
if E.IsClosedOrCanceled(err) {
log.SingLogger.Debug(fmt.Sprintf("[WG](%s) connection closed: %s", w.name, err))
return
}
log.SingLogger.Error(fmt.Sprintf("[WG](%s) %s", w.name, err))
}
type wgNetDialer struct {
tunDevice wireguard.Device
}
@ -174,7 +189,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
connectAddr = option.Addr()
}
}
outbound.bind = wireguard.NewClientBind(context.Background(), outbound, outbound.dialer, isConnect, connectAddr, reserved)
outbound.bind = wireguard.NewClientBind(context.Background(), wgSingErrorHandler{outbound.Name()}, outbound.dialer, isConnect, connectAddr, reserved)
var localPrefixes []netip.Prefix
@ -312,13 +327,15 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
}
}
refP := &refProxyAdapter{}
outbound.refP = refP
if option.RemoteDnsResolve && len(option.Dns) > 0 {
nss, err := dns.ParseNameServer(option.Dns)
if err != nil {
return nil, err
}
for i := range nss {
nss[i].ProxyAdapter = outbound
nss[i].ProxyAdapter = refP
}
outbound.resolver = dns.NewResolver(dns.Config{
Main: nss,
@ -329,14 +346,6 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
return outbound, nil
}
func (w *WireGuard) NewError(ctx context.Context, err error) {
if E.IsClosedOrCanceled(err) {
log.SingLogger.Debug(fmt.Sprintf("[WG](%s) connection closed: %s", w.Name(), err))
return
}
log.SingLogger.Error(fmt.Sprintf("[WG](%s) %s", w.Name(), err))
}
func closeWireGuard(w *WireGuard) {
if w.device != nil {
w.device.Close()
@ -357,6 +366,8 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
if !metadata.Resolved() || w.resolver != nil {
r := resolver.DefaultResolver
if w.resolver != nil {
w.refP.SetProxyAdapter(w)
defer w.refP.ClearProxyAdapter()
r = w.resolver
}
options = append(options, dialer.WithResolver(r))
@ -391,6 +402,8 @@ func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadat
if (!metadata.Resolved() || w.resolver != nil) && metadata.Host != "" {
r := resolver.DefaultResolver
if w.resolver != nil {
w.refP.SetProxyAdapter(w)
defer w.refP.ClearProxyAdapter()
r = w.resolver
}
ip, err := resolver.ResolveIPWithResolver(ctx, metadata.Host, r)
@ -414,3 +427,139 @@ func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadat
func (w *WireGuard) IsL3Protocol(metadata *C.Metadata) bool {
return true
}
type refProxyAdapter struct {
proxyAdapter C.ProxyAdapter
count int
mutex sync.Mutex
}
func (r *refProxyAdapter) SetProxyAdapter(proxyAdapter C.ProxyAdapter) {
r.mutex.Lock()
defer r.mutex.Unlock()
r.proxyAdapter = proxyAdapter
r.count++
}
func (r *refProxyAdapter) ClearProxyAdapter() {
r.mutex.Lock()
defer r.mutex.Unlock()
r.count--
if r.count == 0 {
r.proxyAdapter = nil
}
}
func (r *refProxyAdapter) Name() string {
if r.proxyAdapter != nil {
return r.proxyAdapter.Name()
}
return ""
}
func (r *refProxyAdapter) Type() C.AdapterType {
if r.proxyAdapter != nil {
return r.proxyAdapter.Type()
}
return C.AdapterType(0)
}
func (r *refProxyAdapter) Addr() string {
if r.proxyAdapter != nil {
return r.proxyAdapter.Addr()
}
return ""
}
func (r *refProxyAdapter) SupportUDP() bool {
if r.proxyAdapter != nil {
return r.proxyAdapter.SupportUDP()
}
return false
}
func (r *refProxyAdapter) SupportXUDP() bool {
if r.proxyAdapter != nil {
return r.proxyAdapter.SupportXUDP()
}
return false
}
func (r *refProxyAdapter) SupportTFO() bool {
if r.proxyAdapter != nil {
return r.proxyAdapter.SupportTFO()
}
return false
}
func (r *refProxyAdapter) MarshalJSON() ([]byte, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.MarshalJSON()
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.StreamConn(c, metadata)
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.DialContext(ctx, metadata, opts...)
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.ListenPacketContext(ctx, metadata, opts...)
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) SupportUOT() bool {
if r.proxyAdapter != nil {
return r.proxyAdapter.SupportUOT()
}
return false
}
func (r *refProxyAdapter) SupportWithDialer() C.NetWork {
if r.proxyAdapter != nil {
return r.proxyAdapter.SupportWithDialer()
}
return C.InvalidNet
}
func (r *refProxyAdapter) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.Conn, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.DialContextWithDialer(ctx, dialer, metadata)
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.PacketConn, error) {
if r.proxyAdapter != nil {
return r.proxyAdapter.ListenPacketWithDialer(ctx, dialer, metadata)
}
return nil, C.ErrNotSupport
}
func (r *refProxyAdapter) IsL3Protocol(metadata *C.Metadata) bool {
if r.proxyAdapter != nil {
return r.proxyAdapter.IsL3Protocol(metadata)
}
return false
}
func (r *refProxyAdapter) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
if r.proxyAdapter != nil {
return r.proxyAdapter.Unwrap(metadata, touch)
}
return nil
}
var _ C.ProxyAdapter = (*refProxyAdapter)(nil)