Fix time service wrapper

common/tls/std_client.go

@@ -87,13 +87,15 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 		tlsConfig.VerifyConnection = func(state tls.ConnectionState) error {
 			verifyOptions := x509.VerifyOptions{
 				Roots:         tlsConfig.RootCAs,
-				CurrentTime:   tlsConfig.Time(),
 				DNSName:       serverName,
 				Intermediates: x509.NewCertPool(),
 			}
 			for _, cert := range state.PeerCertificates[1:] {
 				verifyOptions.Intermediates.AddCert(cert)
 			}
+			if tlsConfig.Time != nil {
+				verifyOptions.CurrentTime = tlsConfig.Time()
+			}
 			_, err := state.PeerCertificates[0].Verify(verifyOptions)
 			return err
 		}

common/tls/time_wrapper.go

@@ -11,10 +11,13 @@ type TimeServiceWrapper struct {
 }
 
 func (w *TimeServiceWrapper) TimeFunc() func() time.Time {
-	if w.TimeService == nil {
-		return nil
+	return func() time.Time {
+		if w.TimeService != nil {
+			return w.TimeService.TimeFunc()()
+		} else {
+			return time.Now()
+		}
 	}
-	return w.TimeService.TimeFunc()
 }
 
 func (w *TimeServiceWrapper) Upstream() any {