Fix missing UDP timeout for QUIC protocols

inbound/hysteria.go

@@ -5,6 +5,7 @@ package inbound
 import (
 	"context"
 	"net"
+	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/humanize"
@@ -66,6 +67,12 @@ func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextL
 	} else {
 		receiveBps = uint64(options.DownMbps) * hysteria.MbpsToBps
 	}
+	var udpTimeout time.Duration
+	if options.UDPTimeout != 0 {
+		udpTimeout = time.Duration(options.UDPTimeout)
+	} else {
+		udpTimeout = C.UDPTimeout
+	}
 	service, err := hysteria.NewService[int](hysteria.ServiceOptions{
 		Context:       ctx,
 		Logger:        logger,
@@ -73,6 +80,7 @@ func NewHysteria(ctx context.Context, router adapter.Router, logger log.ContextL
 		ReceiveBPS:    receiveBps,
 		XPlusPassword: options.Obfs,
 		TLSConfig:     tlsConfig,
+		UDPTimeout:    udpTimeout,
 		Handler:       adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, nil),
 
 		// Legacy options

inbound/hysteria2.go

@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/tls"
@@ -87,6 +88,12 @@ func NewHysteria2(ctx context.Context, router adapter.Router, logger log.Context
 		},
 		tlsConfig: tlsConfig,
 	}
+	var udpTimeout time.Duration
+	if options.UDPTimeout != 0 {
+		udpTimeout = time.Duration(options.UDPTimeout)
+	} else {
+		udpTimeout = C.UDPTimeout
+	}
 	service, err := hysteria2.NewService[int](hysteria2.ServiceOptions{
 		Context:               ctx,
 		Logger:                logger,
@@ -96,6 +103,7 @@ func NewHysteria2(ctx context.Context, router adapter.Router, logger log.Context
 		SalamanderPassword:    salamanderPassword,
 		TLSConfig:             tlsConfig,
 		IgnoreClientBandwidth: options.IgnoreClientBandwidth,
+		UDPTimeout:            udpTimeout,
 		Handler:               adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, nil),
 		MasqueradeHandler:     masqueradeHandler,
 	})

inbound/tuic.go

@@ -52,6 +52,12 @@ func NewTUIC(ctx context.Context, router adapter.Router, logger log.ContextLogge
 		},
 		tlsConfig: tlsConfig,
 	}
+	var udpTimeout time.Duration
+	if options.UDPTimeout != 0 {
+		udpTimeout = time.Duration(options.UDPTimeout)
+	} else {
+		udpTimeout = C.UDPTimeout
+	}
 	service, err := tuic.NewService[int](tuic.ServiceOptions{
 		Context:           ctx,
 		Logger:            logger,
@@ -60,6 +66,7 @@ func NewTUIC(ctx context.Context, router adapter.Router, logger log.ContextLogge
 		AuthTimeout:       time.Duration(options.AuthTimeout),
 		ZeroRTTHandshake:  options.ZeroRTTHandshake,
 		Heartbeat:         time.Duration(options.Heartbeat),
+		UDPTimeout:        udpTimeout,
 		Handler:           adapter.NewUpstreamHandler(adapter.InboundContext{}, inbound.newConnection, inbound.newPacketConnection, nil),
 	})
 	if err != nil {