Refactor Test_maxUpload logic

From annoying request

README.md

@@ -1,17 +1,16 @@
 # Project X
 
-[![Project X NFT](https://raw2.seadn.io/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/7fa9ce900fb39b44226348db330e32/8b7fa9ce900fb39b44226348db330e32.svg)](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
-
-### [Collect a Project X NFT to support the development of Project X!](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
-
 [Project X](https://github.com/XTLS) originates from XTLS protocol, providing a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core) and [REALITY](https://github.com/XTLS/REALITY).
 
 [README](https://github.com/XTLS/Xray-core#readme) is open, so feel free to submit your project [here](https://github.com/XTLS/Xray-core/pulls).
 
 ## Donation & NFTs
 
+### [Collect a Project X NFT to support the development of Project X!](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
+
+[<img alt="Project X NFT" width="150px" src="https://raw2.seadn.io/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/7fa9ce900fb39b44226348db330e32/8b7fa9ce900fb39b44226348db330e32.svg" />](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
+
 - **ETH/USDT/USDC: `0xDc3Fe44F0f25D13CACb1C4896CD0D321df3146Ee`**
-- **Project X NFT: https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1**
 - **REALITY NFT: https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/2**
 - **Related links: https://opensea.io/collection/xtls, [Announcement of NFTs by Project X](https://github.com/XTLS/Xray-core/discussions/3633), [XHTTP: Beyond REALITY](https://github.com/XTLS/Xray-core/discussions/4113)**
 

app/proxyman/inbound/inbound.go

@@ -17,7 +17,7 @@ import (
 // Manager manages all inbound handlers.
 type Manager struct {
 	access          sync.RWMutex
-	untaggedHandler []inbound.Handler
+	untaggedHandlers []inbound.Handler
 	taggedHandlers  map[string]inbound.Handler
 	running         bool
 }
@@ -47,7 +47,7 @@ func (m *Manager) AddHandler(ctx context.Context, handler inbound.Handler) error
 		}
 		m.taggedHandlers[tag] = handler
 	} else {
-		m.untaggedHandler = append(m.untaggedHandler, handler)
+		m.untaggedHandlers = append(m.untaggedHandlers, handler)
 	}
 
 	if m.running {
@@ -94,8 +94,8 @@ func (m *Manager) ListHandlers(ctx context.Context) []inbound.Handler {
 	m.access.RLock()
 	defer m.access.RUnlock()
 
-	var response []inbound.Handler
-	copy(m.untaggedHandler, response)
+	response := make([]inbound.Handler, len(m.untaggedHandlers))
+	copy(response, m.untaggedHandlers)
 
 	for _, v := range m.taggedHandlers {
 		response = append(response, v)
@@ -117,7 +117,7 @@ func (m *Manager) Start() error {
 		}
 	}
 
-	for _, handler := range m.untaggedHandler {
+	for _, handler := range m.untaggedHandlers {
 		if err := handler.Start(); err != nil {
 			return err
 		}
@@ -138,7 +138,7 @@ func (m *Manager) Close() error {
 			errs = append(errs, err)
 		}
 	}
-	for _, handler := range m.untaggedHandler {
+	for _, handler := range m.untaggedHandlers {
 		if err := handler.Close(); err != nil {
 			errs = append(errs, err)
 		}

app/proxyman/inbound/worker.go

@@ -91,6 +91,7 @@ func (w *tcpWorker) callback(conn stat.Connection) {
 	}
 	ctx = session.ContextWithInbound(ctx, &session.Inbound{
 		Source:  net.DestinationFromAddr(conn.RemoteAddr()),
+		Local:   net.DestinationFromAddr(conn.LocalAddr()),
 		Gateway: net.TCPDestination(w.address, w.port),
 		Tag:     w.tag,
 		Conn:    conn,
@@ -321,8 +322,10 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
 				outbounds[0].Target = originalDest
 			}
 			ctx = session.ContextWithOutbounds(ctx, outbounds)
+
 			ctx = session.ContextWithInbound(ctx, &session.Inbound{
 				Source:  source,
+				Local:   net.DestinationFromAddr(w.hub.Addr()),
 				Gateway: net.UDPDestination(w.address, w.port),
 				Tag:     w.tag,
 			})
@@ -472,6 +475,7 @@ func (w *dsWorker) callback(conn stat.Connection) {
 	}
 	ctx = session.ContextWithInbound(ctx, &session.Inbound{
 		Source:  net.DestinationFromAddr(conn.RemoteAddr()),
+		Local:   net.DestinationFromAddr(conn.LocalAddr()),
 		Gateway: net.UnixDestination(w.address),
 		Tag:     w.tag,
 		Conn:    conn,

app/proxyman/outbound/outbound.go

@@ -150,8 +150,8 @@ func (m *Manager) ListHandlers(ctx context.Context) []outbound.Handler {
 	m.access.RLock()
 	defer m.access.RUnlock()
 
-	var response []outbound.Handler
-	copy(m.untaggedHandlers, response)
+	response := make([]outbound.Handler, len(m.untaggedHandlers))
+	copy(response, m.untaggedHandlers)
 
 	for _, v := range m.taggedHandler {
 		response = append(response, v)

app/router/command/command.pb.go

@@ -42,6 +42,8 @@ type RoutingContext struct {
 	Attributes        map[string]string `protobuf:"bytes,10,rep,name=Attributes,proto3" json:"Attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	OutboundGroupTags []string          `protobuf:"bytes,11,rep,name=OutboundGroupTags,proto3" json:"OutboundGroupTags,omitempty"`
 	OutboundTag       string            `protobuf:"bytes,12,opt,name=OutboundTag,proto3" json:"OutboundTag,omitempty"`
+	LocalIPs          [][]byte          `protobuf:"bytes,13,rep,name=LocalIPs,proto3" json:"LocalIPs,omitempty"`
+	LocalPort         uint32            `protobuf:"varint,14,opt,name=LocalPort,proto3" json:"LocalPort,omitempty"`
 }
 
 func (x *RoutingContext) Reset() {
@@ -158,6 +160,20 @@ func (x *RoutingContext) GetOutboundTag() string {
 	return ""
 }
 
+func (x *RoutingContext) GetLocalIPs() [][]byte {
+	if x != nil {
+		return x.LocalIPs
+	}
+	return nil
+}
+
+func (x *RoutingContext) GetLocalPort() uint32 {
+	if x != nil {
+		return x.LocalPort
+	}
+	return 0
+}
+
 // SubscribeRoutingStatsRequest subscribes to routing statistics channel if
 // opened by xray-core.
 // * FieldSelectors selects a subset of fields in routing statistics to return.
@@ -827,7 +843,7 @@ var file_app_router_command_command_proto_rawDesc = []byte{
 	0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2e,
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@@ -857,123 +873,127 @@ var file_app_router_command_command_proto_rawDesc = []byte{
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+	0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/router/command/command.proto

@@ -25,6 +25,8 @@ message RoutingContext {
   map<string, string> Attributes = 10;
   repeated string OutboundGroupTags = 11;
   string OutboundTag = 12;
+  repeated bytes LocalIPs = 13;
+  uint32 LocalPort = 14;
 }
 
 // SubscribeRoutingStatsRequest subscribes to routing statistics channel if

app/router/command/config.go

@@ -28,6 +28,14 @@ func (c routingContext) GetTargetPort() net.Port {
 	return net.Port(c.RoutingContext.GetTargetPort())
 }
 
+func (c routingContext) GetLocalIPs() []net.IP {
+	return mapBytesToIPs(c.RoutingContext.GetLocalIPs())
+}
+
+func (c routingContext) GetLocalPort() net.Port {
+	return net.Port(c.RoutingContext.GetLocalPort())
+}
+
 func (c routingContext) GetRuleTag() string {
 	return ""
 }
@@ -54,8 +62,10 @@ var fieldMap = map[string]func(*RoutingContext, routing.Route){
 	"network":        func(s *RoutingContext, r routing.Route) { s.Network = r.GetNetwork() },
 	"ip_source":      func(s *RoutingContext, r routing.Route) { s.SourceIPs = mapIPsToBytes(r.GetSourceIPs()) },
 	"ip_target":      func(s *RoutingContext, r routing.Route) { s.TargetIPs = mapIPsToBytes(r.GetTargetIPs()) },
+	"ip_local":       func(s *RoutingContext, r routing.Route) { s.LocalIPs = mapIPsToBytes(r.GetLocalIPs()) },
 	"port_source":    func(s *RoutingContext, r routing.Route) { s.SourcePort = uint32(r.GetSourcePort()) },
 	"port_target":    func(s *RoutingContext, r routing.Route) { s.TargetPort = uint32(r.GetTargetPort()) },
+	"port_local":     func(s *RoutingContext, r routing.Route) { s.LocalPort = uint32(r.GetLocalPort()) },
 	"domain":         func(s *RoutingContext, r routing.Route) { s.TargetDomain = r.GetTargetDomain() },
 	"protocol":       func(s *RoutingContext, r routing.Route) { s.Protocol = r.GetProtocol() },
 	"user":           func(s *RoutingContext, r routing.Route) { s.User = r.GetUser() },

app/router/condition.go

@@ -113,10 +113,10 @@ func (m *DomainMatcher) Apply(ctx routing.Context) bool {
 
 type MultiGeoIPMatcher struct {
 	matchers []*GeoIPMatcher
-	onSource bool
+	asType   string // local, source, target
 }
 
-func NewMultiGeoIPMatcher(geoips []*GeoIP, onSource bool) (*MultiGeoIPMatcher, error) {
+func NewMultiGeoIPMatcher(geoips []*GeoIP, asType string) (*MultiGeoIPMatcher, error) {
 	var matchers []*GeoIPMatcher
 	for _, geoip := range geoips {
 		matcher, err := GlobalGeoIPContainer.Add(geoip)
@@ -128,7 +128,7 @@ func NewMultiGeoIPMatcher(geoips []*GeoIP, onSource bool) (*MultiGeoIPMatcher, e
 
 	matcher := &MultiGeoIPMatcher{
 		matchers: matchers,
-		onSource: onSource,
+		asType:   asType,
 	}
 
 	return matcher, nil
@@ -137,11 +137,18 @@ func NewMultiGeoIPMatcher(geoips []*GeoIP, onSource bool) (*MultiGeoIPMatcher, e
 // Apply implements Condition.
 func (m *MultiGeoIPMatcher) Apply(ctx routing.Context) bool {
 	var ips []net.IP
-	if m.onSource {
+
+	switch m.asType {
+	case "local":
+		ips = ctx.GetLocalIPs()
+	case "source":
 		ips = ctx.GetSourceIPs()
-	} else {
+	case "target":
 		ips = ctx.GetTargetIPs()
+	default:
+		panic("unreachable, asType should be local or source or target")
 	}
+
 	for _, ip := range ips {
 		for _, matcher := range m.matchers {
 			if matcher.Match(ip) {
@@ -153,25 +160,31 @@ func (m *MultiGeoIPMatcher) Apply(ctx routing.Context) bool {
 }
 
 type PortMatcher struct {
-	port     net.MemoryPortList
-	onSource bool
+	port   net.MemoryPortList
+	asType string // local, source, target
 }
 
-// NewPortMatcher create a new port matcher that can match source or destination port
-func NewPortMatcher(list *net.PortList, onSource bool) *PortMatcher {
+// NewPortMatcher create a new port matcher that can match source or local or destination port
+func NewPortMatcher(list *net.PortList, asType string) *PortMatcher {
 	return &PortMatcher{
-		port:     net.PortListFromProto(list),
-		onSource: onSource,
+		port:   net.PortListFromProto(list),
+		asType: asType,
 	}
 }
 
 // Apply implements Condition.
 func (v *PortMatcher) Apply(ctx routing.Context) bool {
-	if v.onSource {
+	switch v.asType {
+	case "local":
+		return v.port.Contains(ctx.GetLocalPort())
+	case "source":
 		return v.port.Contains(ctx.GetSourcePort())
-	} else {
+	case "target":
 		return v.port.Contains(ctx.GetTargetPort())
+	default:
+		panic("unreachable, asType should be local or source or target")
 	}
+
 }
 
 type NetworkMatcher struct {

app/router/condition_test.go

@@ -495,7 +495,7 @@ func BenchmarkMultiGeoIPMatcher(b *testing.B) {
 		})
 	}
 
-	matcher, err := NewMultiGeoIPMatcher(geoips, false)
+	matcher, err := NewMultiGeoIPMatcher(geoips, "target")
 	common.Must(err)
 
 	ctx := withOutbound(&session.Outbound{Target: net.TCPDestination(net.ParseAddress("8.8.8.8"), 80)})

app/router/config.go

@@ -61,11 +61,15 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	}
 
 	if rr.PortList != nil {
-		conds.Add(NewPortMatcher(rr.PortList, false))
+		conds.Add(NewPortMatcher(rr.PortList, "target"))
 	}
 
 	if rr.SourcePortList != nil {
-		conds.Add(NewPortMatcher(rr.SourcePortList, true))
+		conds.Add(NewPortMatcher(rr.SourcePortList, "source"))
+	}
+
+	if rr.LocalPortList != nil {
+		conds.Add(NewPortMatcher(rr.LocalPortList, "local"))
 	}
 
 	if len(rr.Networks) > 0 {
@@ -73,7 +77,7 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	}
 
 	if len(rr.Geoip) > 0 {
-		cond, err := NewMultiGeoIPMatcher(rr.Geoip, false)
+		cond, err := NewMultiGeoIPMatcher(rr.Geoip, "target")
 		if err != nil {
 			return nil, err
 		}
@@ -81,13 +85,22 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	}
 
 	if len(rr.SourceGeoip) > 0 {
-		cond, err := NewMultiGeoIPMatcher(rr.SourceGeoip, true)
+		cond, err := NewMultiGeoIPMatcher(rr.SourceGeoip, "source")
 		if err != nil {
 			return nil, err
 		}
 		conds.Add(cond)
 	}
 
+	if len(rr.LocalGeoip) > 0 {
+		cond, err := NewMultiGeoIPMatcher(rr.LocalGeoip, "local")
+		if err != nil {
+			return nil, err
+		}
+		conds.Add(cond)
+		errors.LogWarning(context.Background(), "Due to some limitations, in UDP connections, localIP is always equal to listen interface IP, so \"localIP\" rule condition does not work properly on UDP inbound connections that listen on all interfaces")
+	}
+
 	if len(rr.Protocol) > 0 {
 		conds.Add(NewProtocolMatcher(rr.Protocol))
 	}

app/router/config.pb.go

@@ -470,7 +470,7 @@ type RoutingRule struct {
 	//	*RoutingRule_Tag
 	//	*RoutingRule_BalancingTag
 	TargetTag isRoutingRule_TargetTag `protobuf_oneof:"target_tag"`
-	RuleTag   string                  `protobuf:"bytes,18,opt,name=rule_tag,json=ruleTag,proto3" json:"rule_tag,omitempty"`
+	RuleTag   string                  `protobuf:"bytes,20,opt,name=rule_tag,json=ruleTag,proto3" json:"rule_tag,omitempty"`
 	// List of domains for target domain matching.
 	Domain []*Domain `protobuf:"bytes,2,rep,name=domain,proto3" json:"domain,omitempty"`
 	// List of GeoIPs for target IP address matching. If this entry exists, the
@@ -492,6 +492,8 @@ type RoutingRule struct {
 	Protocol       []string          `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
 	Attributes     map[string]string `protobuf:"bytes,15,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	DomainMatcher  string            `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
+	LocalGeoip     []*GeoIP          `protobuf:"bytes,18,rep,name=local_geoip,json=localGeoip,proto3" json:"local_geoip,omitempty"`
+	LocalPortList  *net.PortList     `protobuf:"bytes,19,opt,name=local_port_list,json=localPortList,proto3" json:"local_port_list,omitempty"`
 }
 
 func (x *RoutingRule) Reset() {
@@ -629,6 +631,20 @@ func (x *RoutingRule) GetDomainMatcher() string {
 	return ""
 }
 
+func (x *RoutingRule) GetLocalGeoip() []*GeoIP {
+	if x != nil {
+		return x.LocalGeoip
+	}
+	return nil
+}
+
+func (x *RoutingRule) GetLocalPortList() *net.PortList {
+	if x != nil {
+		return x.LocalPortList
+	}
+	return nil
+}
+
 type isRoutingRule_TargetTag interface {
 	isRoutingRule_TargetTag()
 }
@@ -1069,13 +1085,13 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x6f, 0x53, 0x69, 0x74, 0x65, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x2e, 0x0a, 0x05, 0x65, 0x6e, 0x74,
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+	0x61, 0x69, 0x6e, 0x5f, 0x73, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x0e, 0x32, 0x26, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f,
+	0x75, 0x74, 0x65, 0x72, 0x2e, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x44, 0x6f, 0x6d, 0x61,
+	0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x0e, 0x64, 0x6f, 0x6d, 0x61,
+	0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x30, 0x0a, 0x04, 0x72, 0x75,
+	0x6c, 0x65, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
+	0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x69,
+	0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x52, 0x04, 0x72, 0x75, 0x6c, 0x65, 0x12, 0x45, 0x0a, 0x0e,
+	0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x5f, 0x72, 0x75, 0x6c, 0x65, 0x18, 0x03,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e,
+	0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x42, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67,
+	0x52, 0x75, 0x6c, 0x65, 0x52, 0x0d, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52,
+	0x75, 0x6c, 0x65, 0x22, 0x47, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72,
+	0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x73, 0x49, 0x73, 0x10, 0x00, 0x12,
+	0x09, 0x0a, 0x05, 0x55, 0x73, 0x65, 0x49, 0x70, 0x10, 0x01, 0x12, 0x10, 0x0a, 0x0c, 0x49, 0x70,
+	0x49, 0x66, 0x4e, 0x6f, 0x6e, 0x4d, 0x61, 0x74, 0x63, 0x68, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a,
+	0x49, 0x70, 0x4f, 0x6e, 0x44, 0x65, 0x6d, 0x61, 0x6e, 0x64, 0x10, 0x03, 0x42, 0x4f, 0x0a, 0x13,
+	0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75,
+	0x74, 0x65, 0x72, 0x50, 0x01, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65,
+	0x2f, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0xaa, 0x02, 0x0f, 0x58, 0x72,
+	0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1220,16 +1244,18 @@ var file_app_router_config_proto_depIdxs = []int32{
 	4,  // 10: xray.app.router.RoutingRule.source_geoip:type_name -> xray.app.router.GeoIP
 	15, // 11: xray.app.router.RoutingRule.source_port_list:type_name -> xray.common.net.PortList
 	14, // 12: xray.app.router.RoutingRule.attributes:type_name -> xray.app.router.RoutingRule.AttributesEntry
-	17, // 13: xray.app.router.BalancingRule.strategy_settings:type_name -> xray.common.serial.TypedMessage
-	10, // 14: xray.app.router.StrategyLeastLoadConfig.costs:type_name -> xray.app.router.StrategyWeight
-	1,  // 15: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
-	8,  // 16: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
-	9,  // 17: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
-	18, // [18:18] is the sub-list for method output_type
-	18, // [18:18] is the sub-list for method input_type
-	18, // [18:18] is the sub-list for extension type_name
-	18, // [18:18] is the sub-list for extension extendee
-	0,  // [0:18] is the sub-list for field type_name
+	4,  // 13: xray.app.router.RoutingRule.local_geoip:type_name -> xray.app.router.GeoIP
+	15, // 14: xray.app.router.RoutingRule.local_port_list:type_name -> xray.common.net.PortList
+	17, // 15: xray.app.router.BalancingRule.strategy_settings:type_name -> xray.common.serial.TypedMessage
+	10, // 16: xray.app.router.StrategyLeastLoadConfig.costs:type_name -> xray.app.router.StrategyWeight
+	1,  // 17: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
+	8,  // 18: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
+	9,  // 19: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
+	20, // [20:20] is the sub-list for method output_type
+	20, // [20:20] is the sub-list for method input_type
+	20, // [20:20] is the sub-list for extension type_name
+	20, // [20:20] is the sub-list for extension extendee
+	0,  // [0:20] is the sub-list for field type_name
 }
 
 func init() { file_app_router_config_proto_init() }

app/router/config.proto

@@ -79,7 +79,7 @@ message RoutingRule {
     // Tag of routing balancer.
     string balancing_tag = 12;
   }
-    string rule_tag = 18;
+    string rule_tag = 20;
 
   // List of domains for target domain matching.
   repeated Domain domain = 2;
@@ -110,6 +110,9 @@ message RoutingRule {
   map<string, string> attributes = 15;
 
   string domain_matcher = 17;
+
+  repeated GeoIP local_geoip = 18;
+  xray.common.net.PortList local_port_list = 19;
 }
 
 message BalancingRule {

app/stats/online_map.go

@@ -7,7 +7,6 @@ import (
 
 // OnlineMap is an implementation of stats.OnlineMap.
 type OnlineMap struct {
-	value         int
 	ipList        map[string]time.Time
 	access        sync.RWMutex
 	lastCleanup   time.Time
@@ -25,7 +24,10 @@ func NewOnlineMap() *OnlineMap {
 
 // Count implements stats.OnlineMap.
 func (c *OnlineMap) Count() int {
-	return c.value
+	c.access.RLock()
+	defer c.access.RUnlock()
+
+	return len(c.ipList)
 }
 
 // List implements stats.OnlineMap.
@@ -35,23 +37,18 @@ func (c *OnlineMap) List() []string {
 
 // AddIP implements stats.OnlineMap.
 func (c *OnlineMap) AddIP(ip string) {
-	list := c.ipList
-
 	if ip == "127.0.0.1" {
 		return
 	}
+
 	c.access.Lock()
-	if _, ok := list[ip]; !ok {
-		list[ip] = time.Now()
-	}
+	c.ipList[ip] = time.Now()
 	c.access.Unlock()
+
 	if time.Since(c.lastCleanup) > c.cleanupPeriod {
-		list = c.RemoveExpiredIPs(list)
+		c.RemoveExpiredIPs()
 		c.lastCleanup = time.Now()
 	}
-
-	c.value = len(list)
-	c.ipList = list
 }
 
 func (c *OnlineMap) GetKeys() []string {
@@ -65,24 +62,22 @@ func (c *OnlineMap) GetKeys() []string {
 	return keys
 }
 
-func (c *OnlineMap) RemoveExpiredIPs(list map[string]time.Time) map[string]time.Time {
+func (c *OnlineMap) RemoveExpiredIPs() {
 	c.access.Lock()
 	defer c.access.Unlock()
 
 	now := time.Now()
-	for k, t := range list {
+	for k, t := range c.ipList {
 		diff := now.Sub(t)
 		if diff.Seconds() > 20 {
-			delete(list, k)
+			delete(c.ipList, k)
 		}
 	}
-	return list
 }
 
 func (c *OnlineMap) IpTimeMap() map[string]time.Time {
-	list := c.ipList
 	if time.Since(c.lastCleanup) > c.cleanupPeriod {
-		list = c.RemoveExpiredIPs(list)
+		c.RemoveExpiredIPs()
 		c.lastCleanup = time.Now()
 	}
 

app/version/config.pb.go

@@ -0,0 +1,152 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.35.1
+// 	protoc        v5.28.2
+// source: app/version/config.proto
+
+package version
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Config struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	CoreVersion string `protobuf:"bytes,1,opt,name=core_version,json=coreVersion,proto3" json:"core_version,omitempty"`
+	MinVersion  string `protobuf:"bytes,2,opt,name=min_version,json=minVersion,proto3" json:"min_version,omitempty"`
+	MaxVersion  string `protobuf:"bytes,3,opt,name=max_version,json=maxVersion,proto3" json:"max_version,omitempty"`
+}
+
+func (x *Config) Reset() {
+	*x = Config{}
+	mi := &file_app_version_config_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Config) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Config) ProtoMessage() {}
+
+func (x *Config) ProtoReflect() protoreflect.Message {
+	mi := &file_app_version_config_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Config.ProtoReflect.Descriptor instead.
+func (*Config) Descriptor() ([]byte, []int) {
+	return file_app_version_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Config) GetCoreVersion() string {
+	if x != nil {
+		return x.CoreVersion
+	}
+	return ""
+}
+
+func (x *Config) GetMinVersion() string {
+	if x != nil {
+		return x.MinVersion
+	}
+	return ""
+}
+
+func (x *Config) GetMaxVersion() string {
+	if x != nil {
+		return x.MaxVersion
+	}
+	return ""
+}
+
+var File_app_version_config_proto protoreflect.FileDescriptor
+
+var file_app_version_config_proto_rawDesc = []byte{
+	0x0a, 0x18, 0x61, 0x70, 0x70, 0x2f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x2f, 0x63, 0x6f,
+	0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x10, 0x78, 0x72, 0x61, 0x79,
+	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x22, 0x6d, 0x0a, 0x06,
+	0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x21, 0x0a, 0x0c, 0x63, 0x6f, 0x72, 0x65, 0x5f, 0x76,
+	0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x63, 0x6f,
+	0x72, 0x65, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x1f, 0x0a, 0x0b, 0x6d, 0x69, 0x6e,
+	0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a,
+	0x6d, 0x69, 0x6e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x1f, 0x0a, 0x0b, 0x6d, 0x61,
+	0x78, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x0a, 0x6d, 0x61, 0x78, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x52, 0x0a, 0x14, 0x63,
+	0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x76, 0x65, 0x72, 0x73,
+	0x69, 0x6f, 0x6e, 0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65,
+	0x2f, 0x61, 0x70, 0x70, 0x2f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0xaa, 0x02, 0x10, 0x58,
+	0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_app_version_config_proto_rawDescOnce sync.Once
+	file_app_version_config_proto_rawDescData = file_app_version_config_proto_rawDesc
+)
+
+func file_app_version_config_proto_rawDescGZIP() []byte {
+	file_app_version_config_proto_rawDescOnce.Do(func() {
+		file_app_version_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_app_version_config_proto_rawDescData)
+	})
+	return file_app_version_config_proto_rawDescData
+}
+
+var file_app_version_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_app_version_config_proto_goTypes = []any{
+	(*Config)(nil), // 0: xray.app.version.Config
+}
+var file_app_version_config_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_app_version_config_proto_init() }
+func file_app_version_config_proto_init() {
+	if File_app_version_config_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_app_version_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_app_version_config_proto_goTypes,
+		DependencyIndexes: file_app_version_config_proto_depIdxs,
+		MessageInfos:      file_app_version_config_proto_msgTypes,
+	}.Build()
+	File_app_version_config_proto = out.File
+	file_app_version_config_proto_rawDesc = nil
+	file_app_version_config_proto_goTypes = nil
+	file_app_version_config_proto_depIdxs = nil
+}

app/version/config.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package xray.app.version;
+option csharp_namespace = "Xray.App.Version";
+option go_package = "github.com/xtls/xray-core/app/version";
+option java_package = "com.xray.app.version";
+option java_multiple_files = true;
+
+
+message Config {
+  string core_version = 1;
+  string min_version = 2;
+  string max_version = 3;
+}

app/version/version.go

@@ -0,0 +1,77 @@
+package version
+
+import (
+	"context"
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/errors"
+	"strconv"
+	"strings"
+)
+
+type Version struct {
+	config *Config
+	ctx    context.Context
+}
+
+func New(ctx context.Context, config *Config) (*Version, error) {
+	if config.MinVersion != "" {
+		result, err := compareVersions(config.MinVersion, config.CoreVersion)
+		if err != nil {
+			return nil, err
+		}
+		if result > 0 {
+			return nil, errors.New("this config must be run on version ", config.MinVersion, " or higher")
+		}
+	}
+	if config.MaxVersion != "" {
+		result, err := compareVersions(config.MaxVersion, config.CoreVersion)
+		if err != nil {
+			return nil, err
+		}
+		if result < 0 {
+			return nil, errors.New("this config should be run on version ", config.MaxVersion, " or lower")
+		}
+	}
+	return &Version{config: config, ctx: ctx}, nil
+}
+
+func compareVersions(v1, v2 string) (int, error) {
+	// Split version strings into components
+	v1Parts := strings.Split(v1, ".")
+	v2Parts := strings.Split(v2, ".")
+
+	// Pad shorter versions with zeros
+	for len(v1Parts) < len(v2Parts) {
+		v1Parts = append(v1Parts, "0")
+	}
+	for len(v2Parts) < len(v1Parts) {
+		v2Parts = append(v2Parts, "0")
+	}
+
+	// Compare each part
+	for i := 0; i < len(v1Parts); i++ {
+		// Convert parts to integers
+		n1, err := strconv.Atoi(v1Parts[i])
+		if err != nil {
+			return 0, errors.New("invalid version component ", v1Parts[i], " in ", v1)
+		}
+		n2, err := strconv.Atoi(v2Parts[i])
+		if err != nil {
+			return 0, errors.New("invalid version component ", v2Parts[i], " in ", v2)
+		}
+
+		if n1 < n2 {
+			return -1, nil // v1 < v2
+		}
+		if n1 > n2 {
+			return 1, nil // v1 > v2
+		}
+	}
+	return 0, nil // v1 == v2
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		return New(ctx, config.(*Config))
+	}))
+}

common/buf/buffer.go

@@ -13,6 +13,8 @@ const (
 	Size = 8192
 )
 
+var ErrBufferFull = errors.New("buffer is full")
+
 var zero = [Size * 10]byte{0}
 
 var pool = bytespool.GetPool(Size)
@@ -258,13 +260,16 @@ func (b *Buffer) IsFull() bool {
 func (b *Buffer) Write(data []byte) (int, error) {
 	nBytes := copy(b.v[b.end:], data)
 	b.end += int32(nBytes)
+	if nBytes < len(data) {
+		return nBytes, ErrBufferFull
+	}
 	return nBytes, nil
 }
 
 // WriteByte writes a single byte into the buffer.
 func (b *Buffer) WriteByte(v byte) error {
 	if b.IsFull() {
-		return errors.New("buffer full")
+		return ErrBufferFull
 	}
 	b.v[b.end] = v
 	b.end++

common/session/session.go

@@ -36,6 +36,8 @@ func ExportIDToError(ctx context.Context) errors.ExportOption {
 type Inbound struct {
 	// Source address of the inbound connection.
 	Source net.Destination
+	// Local address of the inbound connection.
+	Local net.Destination
 	// Gateway address.
 	Gateway net.Destination
 	// Tag of the inbound proxy that handles the connection.

core/core.go

@@ -18,8 +18,8 @@ import (
 
 var (
 	Version_x byte = 25
-	Version_y byte = 7
-	Version_z byte = 26
+	Version_y byte = 8
+	Version_z byte = 3
 )
 
 var (

features/routing/context.go

@@ -23,6 +23,12 @@ type Context interface {
 	// GetTargetPort returns the target port of the connection.
 	GetTargetPort() net.Port
 
+	// GetLocalIPs returns the local IPs bound to the connection.
+	GetLocalIPs() []net.IP
+
+	// GetLocalPort returns the local port of the connection.
+	GetLocalPort() net.Port
+
 	// GetTargetDomain returns the target domain of the connection, if exists.
 	GetTargetDomain() string
 

features/routing/session/context.go

@@ -28,12 +28,13 @@ func (ctx *Context) GetSourceIPs() []net.IP {
 	if ctx.Inbound == nil || !ctx.Inbound.Source.IsValid() {
 		return nil
 	}
-	dest := ctx.Inbound.Source
-	if dest.Address.Family().IsDomain() {
-		return nil
+
+	if ctx.Inbound.Source.Address.Family().IsIP() {
+		return []net.IP{ctx.Inbound.Source.Address.IP()}
 	}
 
-	return []net.IP{dest.Address.IP()}
+	return nil
+
 }
 
 // GetSourcePort implements routing.Context.
@@ -65,6 +66,27 @@ func (ctx *Context) GetTargetPort() net.Port {
 	return ctx.Outbound.Target.Port
 }
 
+// GetLocalIPs implements routing.Context.
+func (ctx *Context) GetLocalIPs() []net.IP {
+	if ctx.Inbound == nil || !ctx.Inbound.Local.IsValid() {
+		return nil
+	}
+
+	if ctx.Inbound.Local.Address.Family().IsIP() {
+		return []net.IP{ctx.Inbound.Local.Address.IP()}
+	}
+
+	return nil
+}
+
+// GetLocalPort implements routing.Context.
+func (ctx *Context) GetLocalPort() net.Port {
+	if ctx.Inbound == nil || !ctx.Inbound.Local.IsValid() {
+		return 0
+	}
+	return ctx.Inbound.Local.Port
+}
+
 // GetTargetDomain implements routing.Context.
 func (ctx *Context) GetTargetDomain() string {
 	if ctx.Outbound == nil || !ctx.Outbound.Target.IsValid() {

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/golang/mock v1.7.0-rc.1
 	github.com/google/go-cmp v0.7.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/miekg/dns v1.1.67
+	github.com/miekg/dns v1.1.68
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.1
 	github.com/quic-go/quic-go v0.54.0
@@ -21,13 +21,13 @@ require (
 	github.com/vishvananda/netlink v1.3.1
 	github.com/xtls/reality v0.0.0-20250725142056-5b52a03d4fb7
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.40.0
-	golang.org/x/net v0.42.0
+	golang.org/x/crypto v0.41.0
+	golang.org/x/net v0.43.0
 	golang.org/x/sync v0.16.0
-	golang.org/x/sys v0.34.0
+	golang.org/x/sys v0.35.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	google.golang.org/grpc v1.74.2
-	google.golang.org/protobuf v1.36.6
+	google.golang.org/protobuf v1.36.7
 	gvisor.dev/gvisor v0.0.0-20250428193742-2d800c3129d5
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.4.1
@@ -47,10 +47,10 @@ require (
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
 	github.com/vishvananda/netns v0.0.5 // indirect
 	go.uber.org/mock v0.5.0 // indirect
-	golang.org/x/mod v0.25.0 // indirect
-	golang.org/x/text v0.27.0 // indirect
+	golang.org/x/mod v0.26.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
 	golang.org/x/time v0.7.0 // indirect
-	golang.org/x/tools v0.34.0 // indirect
+	golang.org/x/tools v0.35.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

go.sum

@@ -38,8 +38,8 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/miekg/dns v1.1.67 h1:kg0EHj0G4bfT5/oOys6HhZw4vmMlnoZ+gDu8tJ/AlI0=
-github.com/miekg/dns v1.1.67/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
+github.com/miekg/dns v1.1.68 h1:jsSRkNozw7G/mnmXULynzMNIsgY2dHC8LO6U6Ij2JEA=
+github.com/miekg/dns v1.1.68/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
 github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
 github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc=
@@ -96,16 +96,16 @@ go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBs
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
-golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
+golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
+golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
-golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
+golang.org/x/mod v0.26.0 h1:EGMPT//Ezu+ylkCijjPc+f4Aih7sZvaAr+O3EHBxvZg=
+golang.org/x/mod v0.26.0/go.mod h1:/j6NAhSk8iQ723BGAUyoAcn7SlD7s15Dp9Nd/SfeaFQ=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
-golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
+golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
+golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
@@ -117,21 +117,21 @@ golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
-golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
+golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
-golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
 golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
-golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
-golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
+golang.org/x/tools v0.35.0 h1:mBffYraMEf7aa0sB+NuKnuCy8qI/9Bughn8dC2Gu5r0=
+golang.org/x/tools v0.35.0/go.mod h1:NKdj5HkL/73byiZSJjqJgKn3ep7KjFkBOkR/Hps3VPw=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -143,8 +143,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
 google.golang.org/grpc v1.74.2 h1:WoosgB65DlWVC9FqI82dGsZhWFNBSLjQ84bjROOpMu4=
 google.golang.org/grpc v1.74.2/go.mod h1:CtQ+BGjaAIXHs/5YS3i473GqwBBa1zGQNevxdeBEXrM=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+google.golang.org/protobuf v1.36.7 h1:IgrO7UwFQGJdRNXH/sQux4R1Dj1WAKcLElzeeRaXV2A=
+google.golang.org/protobuf v1.36.7/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

infra/conf/dokodemo.go

@@ -1,26 +1,35 @@
 package conf
 
 import (
+	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/proxy/dokodemo"
 	"google.golang.org/protobuf/proto"
 )
 
 type DokodemoConfig struct {
-	Host        *Address     `json:"address"`
-	PortValue   uint16       `json:"port"`
-	NetworkList *NetworkList `json:"network"`
-	Redirect    bool         `json:"followRedirect"`
-	UserLevel   uint32       `json:"userLevel"`
+	Address        *Address          `json:"address"`
+	Port           uint16            `json:"port"`
+	PortMap        map[string]string `json:"portMap"`
+	Network        *NetworkList      `json:"network"`
+	FollowRedirect bool              `json:"followRedirect"`
+	UserLevel      uint32            `json:"userLevel"`
 }
 
 func (v *DokodemoConfig) Build() (proto.Message, error) {
 	config := new(dokodemo.Config)
-	if v.Host != nil {
-		config.Address = v.Host.Build()
+	if v.Address != nil {
+		config.Address = v.Address.Build()
 	}
-	config.Port = uint32(v.PortValue)
-	config.Networks = v.NetworkList.Build()
-	config.FollowRedirect = v.Redirect
+	config.Port = uint32(v.Port)
+	config.PortMap = v.PortMap
+	for _, v := range config.PortMap {
+		if _, _, err := net.SplitHostPort(v); err != nil {
+			return nil, errors.New("invalid portMap: ", v).Base(err)
+		}
+	}
+	config.Networks = v.Network.Build()
+	config.FollowRedirect = v.FollowRedirect
 	config.UserLevel = v.UserLevel
 	return config, nil
 }

infra/conf/freedom.go

@@ -27,12 +27,14 @@ type Fragment struct {
 	Packets  string      `json:"packets"`
 	Length   *Int32Range `json:"length"`
 	Interval *Int32Range `json:"interval"`
+	MaxSplit *Int32Range `json:"maxSplit"`
 }
 
 type Noise struct {
-	Type   string      `json:"type"`
-	Packet string      `json:"packet"`
-	Delay  *Int32Range `json:"delay"`
+	Type    string      `json:"type"`
+	Packet  string      `json:"packet"`
+	Delay   *Int32Range `json:"delay"`
+	ApplyTo string      `json:"applyTo"`
 }
 
 // Build implements Buildable
@@ -108,6 +110,13 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 			config.Fragment.IntervalMin = uint64(c.Fragment.Interval.From)
 			config.Fragment.IntervalMax = uint64(c.Fragment.Interval.To)
 		}
+
+		{
+			if c.Fragment.MaxSplit != nil {
+				config.Fragment.MaxSplitMin = uint64(c.Fragment.MaxSplit.From)
+				config.Fragment.MaxSplitMax = uint64(c.Fragment.MaxSplit.To)
+			}
+		}
 	}
 
 	if c.Noise != nil {
@@ -193,5 +202,15 @@ func ParseNoise(noise *Noise) (*freedom.Noise, error) {
 		NConfig.DelayMin = uint64(noise.Delay.From)
 		NConfig.DelayMax = uint64(noise.Delay.To)
 	}
+	switch strings.ToLower(noise.ApplyTo) {
+	case "", "ip", "all":
+		NConfig.ApplyTo = "ip"
+	case "ipv4":
+		NConfig.ApplyTo = "ipv4"
+	case "ipv6":
+		NConfig.ApplyTo = "ipv6"
+	default:
+		return nil, errors.New("Invalid applyTo, only ip/ipv4/ipv6 are supported")
+	}
 	return NConfig, nil
 }

infra/conf/router.go

@@ -536,12 +536,15 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		IP         *StringList       `json:"ip"`
 		Port       *PortList         `json:"port"`
 		Network    *NetworkList      `json:"network"`
-		SourceIP   *StringList       `json:"source"`
+		SourceIP   *StringList       `json:"sourceIP"`
+		Source     *StringList       `json:"source"`
 		SourcePort *PortList         `json:"sourcePort"`
 		User       *StringList       `json:"user"`
 		InboundTag *StringList       `json:"inboundTag"`
 		Protocols  *StringList       `json:"protocol"`
 		Attributes map[string]string `json:"attrs"`
+		LocalIP    *StringList       `json:"localIP"`
+		LocalPort  *PortList         `json:"localPort"`
 	}
 	rawFieldRule := new(RawFieldRule)
 	err := json.Unmarshal(msg, rawFieldRule)
@@ -604,6 +607,10 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		rule.Networks = rawFieldRule.Network.Build()
 	}
 
+	if rawFieldRule.SourceIP == nil {
+		rawFieldRule.SourceIP = rawFieldRule.Source
+	}
+
 	if rawFieldRule.SourceIP != nil {
 		geoipList, err := ToCidrList(*rawFieldRule.SourceIP)
 		if err != nil {
@@ -616,6 +623,18 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		rule.SourcePortList = rawFieldRule.SourcePort.Build()
 	}
 
+	if rawFieldRule.LocalIP != nil {
+		geoipList, err := ToCidrList(*rawFieldRule.LocalIP)
+		if err != nil {
+			return nil, err
+		}
+		rule.LocalGeoip = geoipList
+	}
+
+	if rawFieldRule.LocalPort != nil {
+		rule.LocalPortList = rawFieldRule.LocalPort.Build()
+	}
+
 	if rawFieldRule.User != nil {
 		for _, s := range *rawFieldRule.User {
 			rule.UserEmail = append(rule.UserEmail, s)

infra/conf/transport_internet.go

@@ -412,8 +412,10 @@ type TLSConfig struct {
 	MasterKeyLog                         string           `json:"masterKeyLog"`
 	ServerNameToVerify                   string           `json:"serverNameToVerify"`
 	VerifyPeerCertInNames                []string         `json:"verifyPeerCertInNames"`
-	ECHConfigList                        string           `json:"echConfigList"`
 	ECHServerKeys                        string           `json:"echServerKeys"`
+	ECHConfigList                        string           `json:"echConfigList"`
+	ECHForceQuery                        string           `json:"echForceQuery"`
+	ECHSocketSettings                    *SocketConfig    `json:"echSockopt"`
 }
 
 // Build implements Buildable.
@@ -437,7 +439,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	}
 	if len(config.NextProtocol) > 1 {
 		for _, p := range config.NextProtocol {
-			if tcp.IsFromMitm(p) {
+			if tls.IsFromMitm(p) {
 				return nil, errors.New(`only one element is allowed in "alpn" when using "fromMitm" in it`)
 			}
 		}
@@ -485,8 +487,6 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	}
 	config.VerifyPeerCertInNames = c.VerifyPeerCertInNames
 
-	config.EchConfigList = c.ECHConfigList
-
 	if c.ECHServerKeys != "" {
 		EchPrivateKey, err := base64.StdEncoding.DecodeString(c.ECHServerKeys)
 		if err != nil {
@@ -494,6 +494,21 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 		}
 		config.EchServerKeys = EchPrivateKey
 	}
+	switch c.ECHForceQuery {
+	case "none", "half", "full", "":
+		config.EchForceQuery = c.ECHForceQuery
+	default:
+		return nil, errors.New(`invalid "echForceQuery": `, c.ECHForceQuery)
+	}
+	config.EchForceQuery = c.ECHForceQuery
+	config.EchConfigList = c.ECHConfigList
+	if c.ECHSocketSettings != nil {
+		ss, err := c.ECHSocketSettings.Build()
+		if err != nil {
+			return nil, errors.New("Failed to build ech sockopt.").Base(err)
+		}
+		config.EchSocketSettings = ss
+	}
 
 	return config, nil
 }

infra/conf/version.go

@@ -0,0 +1,22 @@
+package conf
+
+import (
+	"github.com/xtls/xray-core/app/version"
+	"github.com/xtls/xray-core/core"
+	"strconv"
+)
+
+type VersionConfig struct {
+	MinVersion string `json:"min"`
+	MaxVersion string `json:"max"`
+}
+
+func (c *VersionConfig) Build() (*version.Config, error) {
+	coreVersion := strconv.Itoa(int(core.Version_x)) + "." + strconv.Itoa(int(core.Version_y)) + "." + strconv.Itoa(int(core.Version_z))
+
+	return &version.Config{
+		CoreVersion: coreVersion,
+		MinVersion:  c.MinVersion,
+		MaxVersion:  c.MaxVersion,
+	}, nil
+}

infra/conf/xray.go

@@ -21,6 +21,7 @@ import (
 
 var (
 	inboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
+		"tunnel":        func() interface{} { return new(DokodemoConfig) },
 		"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
 		"http":          func() interface{} { return new(HTTPServerConfig) },
 		"shadowsocks":   func() interface{} { return new(ShadowsocksServerConfig) },
@@ -33,8 +34,10 @@ var (
 	}, "protocol", "settings")
 
 	outboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
+		"block":       func() interface{} { return new(BlackholeConfig) },
 		"blackhole":   func() interface{} { return new(BlackholeConfig) },
 		"loopback":    func() interface{} { return new(LoopbackConfig) },
+		"direct":      func() interface{} { return new(FreedomConfig) },
 		"freedom":     func() interface{} { return new(FreedomConfig) },
 		"http":        func() interface{} { return new(HTTPClientConfig) },
 		"shadowsocks": func() interface{} { return new(ShadowsocksClientConfig) },
@@ -242,7 +245,7 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 		return nil, errors.New("failed to load inbound detour config for protocol ", c.Protocol).Base(err)
 	}
 	if dokodemoConfig, ok := rawConfig.(*DokodemoConfig); ok {
-		receiverSettings.ReceiveOriginalDestination = dokodemoConfig.Redirect
+		receiverSettings.ReceiveOriginalDestination = dokodemoConfig.FollowRedirect
 	}
 	ts, err := rawConfig.(Buildable).Build()
 	if err != nil {
@@ -380,6 +383,7 @@ type Config struct {
 	FakeDNS          *FakeDNSConfig          `json:"fakeDns"`
 	Observatory      *ObservatoryConfig      `json:"observatory"`
 	BurstObservatory *BurstObservatoryConfig `json:"burstObservatory"`
+	Version          *VersionConfig          `json:"version"`
 }
 
 func (c *Config) findInboundTag(tag string) int {
@@ -448,6 +452,10 @@ func (c *Config) Override(o *Config, fn string) {
 		c.BurstObservatory = o.BurstObservatory
 	}
 
+	if o.Version != nil {
+		c.Version = o.Version
+	}
+
 	// update the Inbound in slice if the only one in override config has same tag
 	if len(o.InboundConfigs) > 0 {
 		for i := range o.InboundConfigs {
@@ -588,6 +596,14 @@ func (c *Config) Build() (*core.Config, error) {
 		config.App = append(config.App, serial.ToTypedMessage(r))
 	}
 
+	if c.Version != nil {
+		r, err := c.Version.Build()
+		if err != nil {
+			return nil, errors.New("failed to build version configuration").Base(err)
+		}
+		config.App = append(config.App, serial.ToTypedMessage(r))
+	}
+
 	var inbounds []InboundDetourConfig
 
 	if len(c.InboundConfigs) > 0 {

proxy/dokodemo/config.pb.go

@@ -26,8 +26,9 @@ type Config struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Address *net.IPOrDomain `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
-	Port    uint32          `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
+	Address *net.IPOrDomain   `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
+	Port    uint32            `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
+	PortMap map[string]string `protobuf:"bytes,3,rep,name=port_map,json=portMap,proto3" json:"port_map,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// List of networks that the Dokodemo accepts.
 	Networks       []net.Network `protobuf:"varint,7,rep,packed,name=networks,proto3,enum=xray.common.net.Network" json:"networks,omitempty"`
 	FollowRedirect bool          `protobuf:"varint,5,opt,name=follow_redirect,json=followRedirect,proto3" json:"follow_redirect,omitempty"`
@@ -78,6 +79,13 @@ func (x *Config) GetPort() uint32 {
 	return 0
 }
 
+func (x *Config) GetPortMap() map[string]string {
+	if x != nil {
+		return x.PortMap
+	}
+	return nil
+}
+
 func (x *Config) GetNetworks() []net.Network {
 	if x != nil {
 		return x.Networks
@@ -108,26 +116,34 @@ var file_proxy_dokodemo_config_proto_rawDesc = []byte{
 	0x6d, 0x6f, 0x1a, 0x18, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x61,
 	0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x18, 0x63, 0x6f,
 	0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd1, 0x01, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd2, 0x02, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69,
 	0x67, 0x12, 0x35, 0x0a, 0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
 	0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52,
 	0x07, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x6f, 0x72, 0x74,
-	0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x04, 0x70, 0x6f, 0x72, 0x74, 0x12, 0x34, 0x0a, 0x08,
-	0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x73, 0x18, 0x07, 0x20, 0x03, 0x28, 0x0e, 0x32, 0x18,
-	0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74,
-	0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x08, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72,
-	0x6b, 0x73, 0x12, 0x27, 0x0a, 0x0f, 0x66, 0x6f, 0x6c, 0x6c, 0x6f, 0x77, 0x5f, 0x72, 0x65, 0x64,
-	0x69, 0x72, 0x65, 0x63, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0e, 0x66, 0x6f, 0x6c,
-	0x6c, 0x6f, 0x77, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x12, 0x1d, 0x0a, 0x0a, 0x75,
-	0x73, 0x65, 0x72, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0d, 0x52,
-	0x09, 0x75, 0x73, 0x65, 0x72, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x42, 0x5b, 0x0a, 0x17, 0x63, 0x6f,
-	0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x64, 0x6f, 0x6b,
-	0x6f, 0x64, 0x65, 0x6d, 0x6f, 0x50, 0x01, 0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
-	0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f,
-	0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x64, 0x6f, 0x6b, 0x6f, 0x64, 0x65, 0x6d,
-	0x6f, 0xaa, 0x02, 0x13, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x44,
-	0x6f, 0x6b, 0x6f, 0x64, 0x65, 0x6d, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x04, 0x70, 0x6f, 0x72, 0x74, 0x12, 0x43, 0x0a, 0x08,
+	0x70, 0x6f, 0x72, 0x74, 0x5f, 0x6d, 0x61, 0x70, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28,
+	0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x64, 0x6f, 0x6b, 0x6f,
+	0x64, 0x65, 0x6d, 0x6f, 0x2e, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x50, 0x6f, 0x72, 0x74,
+	0x4d, 0x61, 0x70, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x07, 0x70, 0x6f, 0x72, 0x74, 0x4d, 0x61,
+	0x70, 0x12, 0x34, 0x0a, 0x08, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x73, 0x18, 0x07, 0x20,
+	0x03, 0x28, 0x0e, 0x32, 0x18, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
+	0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x52, 0x08, 0x6e,
+	0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x73, 0x12, 0x27, 0x0a, 0x0f, 0x66, 0x6f, 0x6c, 0x6c, 0x6f,
+	0x77, 0x5f, 0x72, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08,
+	0x52, 0x0e, 0x66, 0x6f, 0x6c, 0x6c, 0x6f, 0x77, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74,
+	0x12, 0x1d, 0x0a, 0x0a, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x06,
+	0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x75, 0x73, 0x65, 0x72, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x1a,
+	0x3a, 0x0a, 0x0c, 0x50, 0x6f, 0x72, 0x74, 0x4d, 0x61, 0x70, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12,
+	0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65,
+	0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x42, 0x5b, 0x0a, 0x17, 0x63,
+	0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x64, 0x6f,
+	0x6b, 0x6f, 0x64, 0x65, 0x6d, 0x6f, 0x50, 0x01, 0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63,
+	0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x64, 0x6f, 0x6b, 0x6f, 0x64, 0x65,
+	0x6d, 0x6f, 0xaa, 0x02, 0x13, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e,
+	0x44, 0x6f, 0x6b, 0x6f, 0x64, 0x65, 0x6d, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -142,20 +158,22 @@ func file_proxy_dokodemo_config_proto_rawDescGZIP() []byte {
 	return file_proxy_dokodemo_config_proto_rawDescData
 }
 
-var file_proxy_dokodemo_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_proxy_dokodemo_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_proxy_dokodemo_config_proto_goTypes = []any{
 	(*Config)(nil),         // 0: xray.proxy.dokodemo.Config
-	(*net.IPOrDomain)(nil), // 1: xray.common.net.IPOrDomain
-	(net.Network)(0),       // 2: xray.common.net.Network
+	nil,                    // 1: xray.proxy.dokodemo.Config.PortMapEntry
+	(*net.IPOrDomain)(nil), // 2: xray.common.net.IPOrDomain
+	(net.Network)(0),       // 3: xray.common.net.Network
 }
 var file_proxy_dokodemo_config_proto_depIdxs = []int32{
-	1, // 0: xray.proxy.dokodemo.Config.address:type_name -> xray.common.net.IPOrDomain
-	2, // 1: xray.proxy.dokodemo.Config.networks:type_name -> xray.common.net.Network
-	2, // [2:2] is the sub-list for method output_type
-	2, // [2:2] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	2, // 0: xray.proxy.dokodemo.Config.address:type_name -> xray.common.net.IPOrDomain
+	1, // 1: xray.proxy.dokodemo.Config.port_map:type_name -> xray.proxy.dokodemo.Config.PortMapEntry
+	3, // 2: xray.proxy.dokodemo.Config.networks:type_name -> xray.common.net.Network
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_proxy_dokodemo_config_proto_init() }
@@ -169,7 +187,7 @@ func file_proxy_dokodemo_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proxy_dokodemo_config_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   1,
+			NumMessages:   2,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

proxy/dokodemo/config.proto

@@ -13,6 +13,8 @@ message Config {
   xray.common.net.IPOrDomain address = 1;
   uint32 port = 2;
 
+  map<string, string> port_map = 3;
+
   // List of networks that the Dokodemo accepts.
   repeated xray.common.net.Network networks = 7;
 

proxy/dokodemo/dokodemo.go

@@ -3,6 +3,8 @@ package dokodemo
 import (
 	"context"
 	"runtime"
+	"strconv"
+	"strings"
 	"sync/atomic"
 
 	"github.com/xtls/xray-core/common"
@@ -36,6 +38,7 @@ type DokodemoDoor struct {
 	config        *Config
 	address       net.Address
 	port          net.Port
+	portMap       map[string]string
 	sockopt       *session.Sockopt
 }
 
@@ -47,6 +50,7 @@ func (d *DokodemoDoor) Init(config *Config, pm policy.Manager, sockopt *session.
 	d.config = config
 	d.address = config.GetPredefinedAddress()
 	d.port = net.Port(config.Port)
+	d.portMap = config.PortMap
 	d.policyManager = pm
 	d.sockopt = sockopt
 
@@ -73,6 +77,33 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 		Port:    d.port,
 	}
 
+	if !d.config.FollowRedirect {
+		host, port, err := net.SplitHostPort(conn.LocalAddr().String())
+		if dest.Address == nil {
+			if err != nil {
+				dest.Address = net.DomainAddress("localhost")
+			} else {
+				if strings.Contains(host, ".") {
+					dest.Address = net.LocalHostIP
+				} else {
+					dest.Address = net.LocalHostIPv6
+				}
+			}
+		}
+		if dest.Port == 0 {
+			dest.Port = net.Port(common.Must2(strconv.Atoi(port)).(int))
+		}
+		if d.portMap != nil && d.portMap[port] != "" {
+			h, p, _ := net.SplitHostPort(d.portMap[port])
+			if len(h) > 0 {
+				dest.Address = net.ParseAddress(h)
+			}
+			if len(p) > 0 {
+				dest.Port = net.Port(common.Must2(strconv.Atoi(p)).(int))
+			}
+		}
+	}
+
 	destinationOverridden := false
 	if d.config.FollowRedirect {
 		outbounds := session.OutboundsFromContext(ctx)

proxy/freedom/config.pb.go

@@ -150,6 +150,8 @@ type Fragment struct {
 	LengthMax   uint64 `protobuf:"varint,4,opt,name=length_max,json=lengthMax,proto3" json:"length_max,omitempty"`
 	IntervalMin uint64 `protobuf:"varint,5,opt,name=interval_min,json=intervalMin,proto3" json:"interval_min,omitempty"`
 	IntervalMax uint64 `protobuf:"varint,6,opt,name=interval_max,json=intervalMax,proto3" json:"interval_max,omitempty"`
+	MaxSplitMin uint64 `protobuf:"varint,7,opt,name=max_split_min,json=maxSplitMin,proto3" json:"max_split_min,omitempty"`
+	MaxSplitMax uint64 `protobuf:"varint,8,opt,name=max_split_max,json=maxSplitMax,proto3" json:"max_split_max,omitempty"`
 }
 
 func (x *Fragment) Reset() {
@@ -224,6 +226,20 @@ func (x *Fragment) GetIntervalMax() uint64 {
 	return 0
 }
 
+func (x *Fragment) GetMaxSplitMin() uint64 {
+	if x != nil {
+		return x.MaxSplitMin
+	}
+	return 0
+}
+
+func (x *Fragment) GetMaxSplitMax() uint64 {
+	if x != nil {
+		return x.MaxSplitMax
+	}
+	return 0
+}
+
 type Noise struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -234,6 +250,7 @@ type Noise struct {
 	DelayMin  uint64 `protobuf:"varint,3,opt,name=delay_min,json=delayMin,proto3" json:"delay_min,omitempty"`
 	DelayMax  uint64 `protobuf:"varint,4,opt,name=delay_max,json=delayMax,proto3" json:"delay_max,omitempty"`
 	Packet    []byte `protobuf:"bytes,5,opt,name=packet,proto3" json:"packet,omitempty"`
+	ApplyTo   string `protobuf:"bytes,6,opt,name=apply_to,json=applyTo,proto3" json:"apply_to,omitempty"`
 }
 
 func (x *Noise) Reset() {
@@ -301,6 +318,13 @@ func (x *Noise) GetPacket() []byte {
 	return nil
 }
 
+func (x *Noise) GetApplyTo() string {
+	if x != nil {
+		return x.ApplyTo
+	}
+	return ""
+}
+
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -399,7 +423,7 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
 	0x72, 0x76, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72, 0x61,
 	0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f,
 	0x6c, 0x2e, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74,
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+	0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50,
+	0x72, 0x6f, 0x78, 0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

proxy/freedom/config.proto

@@ -19,6 +19,8 @@ message Fragment {
   uint64 length_max = 4;
   uint64 interval_min = 5;
   uint64 interval_max = 6;
+  uint64 max_split_min = 7;
+  uint64 max_split_max = 8;
 }
 message Noise {
   uint64 length_min = 1;
@@ -26,6 +28,7 @@ message Noise {
   uint64 delay_min = 3;
   uint64 delay_max = 4;
   bytes packet = 5;
+  string apply_to = 6;
 }
 
 message Config {

proxy/freedom/freedom.go

@@ -194,7 +194,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		if destination.Network == net.Network_TCP {
 			if h.config.Fragment != nil {
 				errors.LogDebug(ctx, "FRAGMENT", h.config.Fragment.PacketsFrom, h.config.Fragment.PacketsTo, h.config.Fragment.LengthMin, h.config.Fragment.LengthMax,
-					h.config.Fragment.IntervalMin, h.config.Fragment.IntervalMax)
+					h.config.Fragment.IntervalMin, h.config.Fragment.IntervalMax, h.config.Fragment.MaxSplitMin, h.config.Fragment.MaxSplitMax)
 				writer = buf.NewWriter(&FragmentWriter{
 					fragment: h.config.Fragment,
 					writer:   conn,
@@ -211,6 +211,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 					noises:      h.config.Noises,
 					firstWrite:  true,
 					UDPOverride: UDPOverride,
+					remoteAddr:  net.DestinationFromAddr(conn.RemoteAddr()).Address,
 				}
 			}
 		}
@@ -289,14 +290,13 @@ func NewPacketReader(conn net.Conn, UDPOverride net.Destination, DialDest net.De
 		if UDPOverride.Address != nil || UDPOverride.Port != 0 {
 			isOverridden = true
 		}
-		changedAddress, _, _ := net.SplitHostPort(conn.RemoteAddr().String())
 
 		return &PacketReader{
 			PacketConnWrapper: c,
 			Counter:           counter,
 			IsOverridden:      isOverridden,
 			InitUnchangedAddr: DialDest.Address,
-			InitChangedAddr:   net.ParseAddress(changedAddress),
+			InitChangedAddr:   net.DestinationFromAddr(conn.RemoteAddr()).Address,
 		}
 	}
 	return &buf.PacketReader{Reader: conn}
@@ -354,8 +354,7 @@ func NewPacketWriter(conn net.Conn, h *Handler, ctx context.Context, UDPOverride
 		// check this behavior and add it to map
 		resolvedUDPAddr := utils.NewTypedSyncMap[string, net.Address]()
 		if DialDest.Address.Family().IsDomain() {
-			RemoteAddress, _, _ := net.SplitHostPort(conn.RemoteAddr().String())
-			resolvedUDPAddr.Store(DialDest.Address.String(), net.ParseAddress(RemoteAddress))
+			resolvedUDPAddr.Store(DialDest.Address.Domain(), net.DestinationFromAddr(conn.RemoteAddr()).Address)
 		}
 		return &PacketWriter{
 			PacketConnWrapper: c,
@@ -456,6 +455,7 @@ type NoisePacketWriter struct {
 	noises      []*Noise
 	firstWrite  bool
 	UDPOverride net.Destination
+	remoteAddr  net.Address
 }
 
 // MultiBuffer writer with Noise before first packet
@@ -468,8 +468,24 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		}
 		var noise []byte
 		var err error
+		if w.remoteAddr.Family().IsDomain() {
+			panic("impossible, remoteAddr is always IP")
+		}
 		for _, n := range w.noises {
-			//User input string or base64 encoded string
+			switch n.ApplyTo {
+			case "ipv4":
+				if w.remoteAddr.Family().IsIPv6() {
+					continue
+				}
+			case "ipv6":
+				if w.remoteAddr.Family().IsIPv4() {
+					continue
+				}
+			case "ip":
+			default:
+				panic("unreachable, applyTo is ip/ipv4/ipv6")
+			}
+			//User input string or base64 encoded string or hex string
 			if n.Packet != nil {
 				noise = n.Packet
 			} else {
@@ -509,23 +525,29 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 			return f.writer.Write(b)
 		}
 		data := b[5:recordLen]
-		buf := make([]byte, 1024)
+		buff := make([]byte, 2048)
 		var hello []byte
+		maxSplit := crypto.RandBetween(int64(f.fragment.MaxSplitMin), int64(f.fragment.MaxSplitMax))
+		var splitNum int64
 		for from := 0; ; {
 			to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
-			if to > len(data) {
+			splitNum++
+			if to > len(data) || (maxSplit > 0 && splitNum >= maxSplit) {
 				to = len(data)
 			}
-			copy(buf[:3], b)
-			copy(buf[5:], data[from:to])
 			l := to - from
+			if 5+l > len(buff) {
+				buff = make([]byte, 5+l)
+			}
+			copy(buff[:3], b)
+			copy(buff[5:], data[from:to])
 			from = to
-			buf[3] = byte(l >> 8)
-			buf[4] = byte(l)
+			buff[3] = byte(l >> 8)
+			buff[4] = byte(l)
 			if f.fragment.IntervalMax == 0 { // combine fragmented tlshello if interval is 0
-				hello = append(hello, buf[:5+l]...)
+				hello = append(hello, buff[:5+l]...)
 			} else {
-				_, err := f.writer.Write(buf[:5+l])
+				_, err := f.writer.Write(buff[:5+l])
 				time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
 				if err != nil {
 					return 0, err
@@ -552,17 +574,20 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 	if f.fragment.PacketsFrom != 0 && (f.count < f.fragment.PacketsFrom || f.count > f.fragment.PacketsTo) {
 		return f.writer.Write(b)
 	}
+	maxSplit := crypto.RandBetween(int64(f.fragment.MaxSplitMin), int64(f.fragment.MaxSplitMax))
+	var splitNum int64
 	for from := 0; ; {
 		to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
-		if to > len(b) {
+		splitNum++
+		if to > len(b) || (maxSplit > 0 && splitNum >= maxSplit) {
 			to = len(b)
 		}
 		n, err := f.writer.Write(b[from:to])
 		from += n
-		time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
 		if err != nil {
 			return from, err
 		}
+		time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
 		if from >= len(b) {
 			return from, nil
 		}

transport/internet/splithttp/dialer.go

@@ -489,15 +489,16 @@ func (w uploadWriter) Write(b []byte) (int, error) {
 		}
 	*/
 
-	buffer := buf.New()
-	n, err := buffer.Write(b)
-	if err != nil {
-		return 0, err
-	}
+	buffer := buf.MultiBufferContainer{}
+	common.Must2(buffer.Write(b))
 
-	err = w.WriteMultiBuffer([]*buf.Buffer{buffer})
-	if err != nil {
-		return 0, err
+	var writed int
+	for _, buff := range buffer.MultiBuffer {
+		err := w.WriteMultiBuffer(buf.MultiBuffer{buff})
+		if err != nil {
+			return writed, err
+		}
+		writed += int(buff.Len())
 	}
-	return n, nil
+	return writed, nil
 }

transport/internet/splithttp/splithttp_test.go

@@ -1,6 +1,7 @@
 package splithttp_test
 
 import (
+	"bytes"
 	"context"
 	"crypto/rand"
 	"fmt"
@@ -421,18 +422,12 @@ func Test_maxUpload(t *testing.T) {
 		},
 	}
 
-	var uploadSize int
+	uploadReceived := make([]byte, 10001)
 	listen, err := ListenXH(context.Background(), net.LocalHostIP, listenPort, streamSettings, func(conn stat.Connection) {
 		go func(c stat.Connection) {
 			defer c.Close()
-			var b [10240]byte
 			c.SetReadDeadline(time.Now().Add(2 * time.Second))
-			n, err := c.Read(b[:])
-			if err != nil {
-				return
-			}
-
-			uploadSize = n
+			io.ReadFull(c, uploadReceived)
 
 			common.Must2(c.Write([]byte("Response")))
 		}(conn)
@@ -441,10 +436,12 @@ func Test_maxUpload(t *testing.T) {
 	ctx := context.Background()
 
 	conn, err := Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), listenPort), streamSettings)
+	common.Must(err)
 
 	// send a slightly too large upload
-	var upload [10001]byte
-	_, err = conn.Write(upload[:])
+	upload := make([]byte, 10001)
+	rand.Read(upload)
+	_, err = conn.Write(upload)
 	common.Must(err)
 
 	var b [10240]byte
@@ -455,8 +452,8 @@ func Test_maxUpload(t *testing.T) {
 	}
 	common.Must(conn.Close())
 
-	if uploadSize > 10000 || uploadSize == 0 {
-		t.Error("incorrect upload size: ", uploadSize)
+	if !bytes.Equal(upload, uploadReceived) {
+		t.Error("incorrect upload", upload, uploadReceived)
 	}
 
 	common.Must(listen.Close())

transport/internet/tcp/dialer.go

@@ -2,6 +2,7 @@ package tcp
 
 import (
 	"context"
+	gotls "crypto/tls"
 	"slices"
 	"strings"
 
@@ -15,10 +16,6 @@ import (
 	"github.com/xtls/xray-core/transport/internet/tls"
 )
 
-func IsFromMitm(str string) bool {
-	return strings.ToLower(str) == "frommitm"
-}
-
 // Dial dials a new TCP connection to the given destination.
 func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
 	errors.LogInfo(ctx, "dialing TCP to ", dest)
@@ -30,14 +27,17 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
 		mitmServerName := session.MitmServerNameFromContext(ctx)
 		mitmAlpn11 := session.MitmAlpn11FromContext(ctx)
-		tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
-		if IsFromMitm(tlsConfig.ServerName) {
-			tlsConfig.ServerName = mitmServerName
+		var tlsConfig *gotls.Config
+		if tls.IsFromMitm(config.ServerName) {
+			tlsConfig = config.GetTLSConfig(tls.WithOverrideName(mitmServerName))
+		} else {
+			tlsConfig = config.GetTLSConfig(tls.WithDestination(dest))
 		}
+
 		isFromMitmVerify := false
 		if r, ok := tlsConfig.Rand.(*tls.RandCarrier); ok && len(r.VerifyPeerCertInNames) > 0 {
 			for i, name := range r.VerifyPeerCertInNames {
-				if IsFromMitm(name) {
+				if tls.IsFromMitm(name) {
 					isFromMitmVerify = true
 					r.VerifyPeerCertInNames[0], r.VerifyPeerCertInNames[i] = r.VerifyPeerCertInNames[i], r.VerifyPeerCertInNames[0]
 					r.VerifyPeerCertInNames = r.VerifyPeerCertInNames[1:]
@@ -56,7 +56,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 				}
 			}
 		}
-		isFromMitmAlpn := len(tlsConfig.NextProtos) == 1 && IsFromMitm(tlsConfig.NextProtos[0])
+		isFromMitmAlpn := len(tlsConfig.NextProtos) == 1 && tls.IsFromMitm(tlsConfig.NextProtos[0])
 		if isFromMitmAlpn {
 			if mitmAlpn11 {
 				tlsConfig.NextProtos[0] = "http/1.1"

transport/internet/tcp/hub.go

@@ -42,6 +42,9 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, streamSe
 	var listener net.Listener
 	var err error
 	if port == net.Port(0) { // unix
+		if !address.Family().IsDomain() {
+			return nil, errors.New("invalid unix listen: ", address).AtError()
+		}
 		listener, err = internet.ListenSystem(ctx, &net.UnixAddr{
 			Name: address.Domain(),
 			Net:  "unix",

transport/internet/tls/config.go

@@ -275,6 +275,9 @@ func getNewGetCertificateFunc(certs []*tls.Certificate, rejectUnknownSNI bool) f
 }
 
 func (c *Config) parseServerName() string {
+	if IsFromMitm(c.ServerName) {
+		return ""
+	}
 	return c.ServerName
 }
 
@@ -447,7 +450,11 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 	if len(c.EchConfigList) > 0 || len(c.EchServerKeys) > 0 {
 		err := ApplyECH(c, config)
 		if err != nil {
-			errors.LogError(context.Background(), err)
+			if c.EchForceQuery == "full" {
+				errors.LogError(context.Background(), err)
+			} else {
+				errors.LogInfo(context.Background(), err)
+			}
 		}
 	}
 
@@ -469,6 +476,12 @@ func WithDestination(dest net.Destination) Option {
 	}
 }
 
+func WithOverrideName(serverName string) Option {
+	return func(config *tls.Config) {
+		config.ServerName = serverName
+	}
+}
+
 // WithNextProto sets the ALPN values in TLS config.
 func WithNextProto(protocol ...string) Option {
 	return func(config *tls.Config) {
@@ -509,3 +522,7 @@ func ParseCurveName(curveNames []string) []tls.CurveID {
 	}
 	return curveIDs
 }
+
+func IsFromMitm(str string) bool {
+	return strings.ToLower(str) == "frommitm"
+}

transport/internet/tls/config.pb.go

@@ -7,6 +7,7 @@
 package tls
 
 import (
+	internet "github.com/xtls/xray-core/transport/internet"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -216,9 +217,11 @@ type Config struct {
 	// @Document Replaces server_name to verify the peer cert.
 	// @Document After allow_insecure (automatically), if the server's cert can't be verified by any of these names, pinned_peer_certificate_chain_sha256 will be tried.
 	// @Critical
-	VerifyPeerCertInNames []string `protobuf:"bytes,17,rep,name=verify_peer_cert_in_names,json=verifyPeerCertInNames,proto3" json:"verify_peer_cert_in_names,omitempty"`
-	EchConfigList         string   `protobuf:"bytes,18,opt,name=ech_config_list,json=echConfigList,proto3" json:"ech_config_list,omitempty"`
-	EchServerKeys         []byte   `protobuf:"bytes,19,opt,name=ech_server_keys,json=echServerKeys,proto3" json:"ech_server_keys,omitempty"`
+	VerifyPeerCertInNames []string               `protobuf:"bytes,17,rep,name=verify_peer_cert_in_names,json=verifyPeerCertInNames,proto3" json:"verify_peer_cert_in_names,omitempty"`
+	EchServerKeys         []byte                 `protobuf:"bytes,18,opt,name=ech_server_keys,json=echServerKeys,proto3" json:"ech_server_keys,omitempty"`
+	EchConfigList         string                 `protobuf:"bytes,19,opt,name=ech_config_list,json=echConfigList,proto3" json:"ech_config_list,omitempty"`
+	EchForceQuery         string                 `protobuf:"bytes,20,opt,name=ech_force_query,json=echForceQuery,proto3" json:"ech_force_query,omitempty"`
+	EchSocketSettings     *internet.SocketConfig `protobuf:"bytes,21,opt,name=ech_socket_settings,json=echSocketSettings,proto3" json:"ech_socket_settings,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -363,6 +366,13 @@ func (x *Config) GetVerifyPeerCertInNames() []string {
 	return nil
 }
 
+func (x *Config) GetEchServerKeys() []byte {
+	if x != nil {
+		return x.EchServerKeys
+	}
+	return nil
+}
+
 func (x *Config) GetEchConfigList() string {
 	if x != nil {
 		return x.EchConfigList
@@ -370,9 +380,16 @@ func (x *Config) GetEchConfigList() string {
 	return ""
 }
 
-func (x *Config) GetEchServerKeys() []byte {
+func (x *Config) GetEchForceQuery() string {
 	if x != nil {
-		return x.EchServerKeys
+		return x.EchForceQuery
+	}
+	return ""
+}
+
+func (x *Config) GetEchSocketSettings() *internet.SocketConfig {
+	if x != nil {
+		return x.EchSocketSettings
 	}
 	return nil
 }
@@ -384,86 +401,96 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x74, 0x6c, 0x73, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x1b, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e,
 	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x74,
-	0x6c, 0x73, 0x22, 0x83, 0x03, 0x0a, 0x0b, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61,
-	0x74, 0x65, 0x12, 0x20, 0x0a, 0x0b, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74,
-	0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x0b, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69,
-	0x63, 0x61, 0x74, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28,
-	0x0c, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x44, 0x0a, 0x05, 0x75, 0x73, 0x61, 0x67, 0x65, 0x18,
-	0x03, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x2e, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61,
-	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
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-	0x55, 0x73, 0x61, 0x67, 0x65, 0x52, 0x05, 0x75, 0x73, 0x61, 0x67, 0x65, 0x12, 0x23, 0x0a, 0x0d,
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-	0x01, 0x28, 0x04, 0x52, 0x0c, 0x6f, 0x63, 0x73, 0x70, 0x53, 0x74, 0x61, 0x70, 0x6c, 0x69, 0x6e,
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+	0x74, 0x18, 0x13, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x65, 0x63, 0x68, 0x43, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x26, 0x0a, 0x0f, 0x65, 0x63, 0x68, 0x5f, 0x66, 0x6f,
+	0x72, 0x63, 0x65, 0x5f, 0x71, 0x75, 0x65, 0x72, 0x79, 0x18, 0x14, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x0d, 0x65, 0x63, 0x68, 0x46, 0x6f, 0x72, 0x63, 0x65, 0x51, 0x75, 0x65, 0x72, 0x79, 0x12, 0x55,
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+	0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x15, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72,
+	0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74,
+	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x52, 0x11, 0x65, 0x63, 0x68, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x53, 0x65, 0x74,
+	0x74, 0x69, 0x6e, 0x67, 0x73, 0x42, 0x73, 0x0a, 0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61,
 	0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65,
 	0x72, 0x6e, 0x65, 0x74, 0x2e, 0x74, 0x6c, 0x73, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68,
 	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79,
@@ -489,18 +516,20 @@ func file_transport_internet_tls_config_proto_rawDescGZIP() []byte {
 var file_transport_internet_tls_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
 var file_transport_internet_tls_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_transport_internet_tls_config_proto_goTypes = []any{
-	(Certificate_Usage)(0), // 0: xray.transport.internet.tls.Certificate.Usage
-	(*Certificate)(nil),    // 1: xray.transport.internet.tls.Certificate
-	(*Config)(nil),         // 2: xray.transport.internet.tls.Config
+	(Certificate_Usage)(0),        // 0: xray.transport.internet.tls.Certificate.Usage
+	(*Certificate)(nil),           // 1: xray.transport.internet.tls.Certificate
+	(*Config)(nil),                // 2: xray.transport.internet.tls.Config
+	(*internet.SocketConfig)(nil), // 3: xray.transport.internet.SocketConfig
 }
 var file_transport_internet_tls_config_proto_depIdxs = []int32{
 	0, // 0: xray.transport.internet.tls.Certificate.usage:type_name -> xray.transport.internet.tls.Certificate.Usage
 	1, // 1: xray.transport.internet.tls.Config.certificate:type_name -> xray.transport.internet.tls.Certificate
-	2, // [2:2] is the sub-list for method output_type
-	2, // [2:2] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	3, // 2: xray.transport.internet.tls.Config.ech_socket_settings:type_name -> xray.transport.internet.SocketConfig
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_transport_internet_tls_config_proto_init() }

transport/internet/tls/config.proto

@@ -6,6 +6,8 @@ option go_package = "github.com/xtls/xray-core/transport/internet/tls";
 option java_package = "com.xray.transport.internet.tls";
 option java_multiple_files = true;
 
+import "transport/internet/config.proto";
+
 message Certificate {
   // TLS certificate in x509 format.
   bytes certificate = 1;
@@ -92,7 +94,11 @@ message Config {
   */
   repeated string verify_peer_cert_in_names = 17;
 
-  string ech_config_list = 18;
+  bytes ech_server_keys = 18;
 
-  bytes ech_server_keys = 19;
+  string ech_config_list = 19;
+
+  string ech_force_query = 20;
+
+  SocketConfig ech_socket_settings = 21;
 }

transport/internet/tls/ech.go

@@ -8,13 +8,20 @@ import (
 	"crypto/tls"
 	"encoding/base64"
 	"encoding/binary"
+	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
 
+	utls "github.com/refraction-networking/utls"
+	"github.com/xtls/xray-core/common/crypto"
+	dns2 "github.com/xtls/xray-core/features/dns"
+	"golang.org/x/net/http2"
+
 	"github.com/miekg/dns"
 	"github.com/xtls/reality"
 	"github.com/xtls/reality/hpke"
@@ -29,11 +36,40 @@ func ApplyECH(c *Config, config *tls.Config) error {
 	var ECHConfig []byte
 	var err error
 
-	nameToQuery := c.ServerName
+	var nameToQuery string
+	if net.ParseAddress(config.ServerName).Family().IsDomain() {
+		nameToQuery = config.ServerName
+	}
 	var DNSServer string
 
+	// for server
+	if len(c.EchServerKeys) != 0 {
+		KeySets, err := ConvertToGoECHKeys(c.EchServerKeys)
+		if err != nil {
+			return errors.New("Failed to unmarshal ECHKeySetList: ", err)
+		}
+		config.EncryptedClientHelloKeys = KeySets
+	}
+
 	// for client
 	if len(c.EchConfigList) != 0 {
+		ECHForceQuery := c.EchForceQuery
+		switch ECHForceQuery {
+		case "none", "half", "full":
+		case "":
+			ECHForceQuery = "none" // default to none
+		default:
+			panic("Invalid ECHForceQuery: " + c.EchForceQuery)
+		}
+		defer func() {
+			// if failed to get ECHConfig, use an invalid one to make connection fail
+			if err != nil || len(ECHConfig) == 0 {
+				if ECHForceQuery == "full" {
+					ECHConfig = []byte{1, 1, 4, 5, 1, 4}
+				}
+			}
+			config.EncryptedClientHelloConfigList = ECHConfig
+		}()
 		// direct base64 config
 		if strings.Contains(c.EchConfigList, "://") {
 			// query config from dns
@@ -51,9 +87,9 @@ func ApplyECH(c *Config, config *tls.Config) error {
 			if nameToQuery == "" {
 				return errors.New("Using DNS for ECH Config needs serverName or use Server format example.com+https://1.1.1.1/dns-query")
 			}
-			ECHConfig, err = QueryRecord(nameToQuery, DNSServer)
+			ECHConfig, err = QueryRecord(nameToQuery, DNSServer, c.EchForceQuery, c.EchSocketSettings)
 			if err != nil {
-				return err
+				return errors.New("Failed to query ECH DNS record for domain: ", nameToQuery, " at server: ", DNSServer).Base(err)
 			}
 		} else {
 			ECHConfig, err = base64.StdEncoding.DecodeString(c.EchConfigList)
@@ -61,17 +97,6 @@ func ApplyECH(c *Config, config *tls.Config) error {
 				return errors.New("Failed to unmarshal ECHConfigList: ", err)
 			}
 		}
-
-		config.EncryptedClientHelloConfigList = ECHConfig
-	}
-
-	// for server
-	if len(c.EchServerKeys) != 0 {
-		KeySets, err := ConvertToGoECHKeys(c.EchServerKeys)
-		if err != nil {
-			return errors.New("Failed to unmarshal ECHKeySetList: ", err)
-		}
-		config.EncryptedClientHelloKeys = KeySets
 	}
 
 	return nil
@@ -86,103 +111,137 @@ type ECHConfigCache struct {
 type echConfigRecord struct {
 	config []byte
 	expire time.Time
+	err    error
 }
 
 var (
+	// The keys for both maps must be generated by ECHCacheKey().
 	GlobalECHConfigCache = utils.NewTypedSyncMap[string, *ECHConfigCache]()
 	clientForECHDOH      = utils.NewTypedSyncMap[string, *http.Client]()
 )
 
+// sockopt can be nil if not specified.
+// if for clientForECHDOH, domain can be empty.
+func ECHCacheKey(server, domain string, sockopt *internet.SocketConfig) string {
+	return server + "|" + domain + "|" + fmt.Sprintf("%p", sockopt)
+}
+
 // Update updates the ECH config for given domain and server.
 // this method is concurrent safe, only one update request will be sent, others get the cache.
 // if isLockedUpdate is true, it will not try to acquire the lock.
-func (c *ECHConfigCache) Update(domain string, server string, isLockedUpdate bool) ([]byte, error) {
+func (c *ECHConfigCache) Update(domain string, server string, isLockedUpdate bool, forceQuery string, sockopt *internet.SocketConfig) ([]byte, error) {
 	if !isLockedUpdate {
 		c.UpdateLock.Lock()
 		defer c.UpdateLock.Unlock()
 	}
 	// Double check cache after acquiring lock
 	configRecord := c.configRecord.Load()
-	if configRecord.expire.After(time.Now()) {
+	if configRecord.expire.After(time.Now()) && configRecord.err == nil {
 		errors.LogDebug(context.Background(), "Cache hit for domain after double check: ", domain)
-		return configRecord.config, nil
+		return configRecord.config, configRecord.err
 	}
 	// Query ECH config from DNS server
 	errors.LogDebug(context.Background(), "Trying to query ECH config for domain: ", domain, " with ECH server: ", server)
-	echConfig, ttl, err := dnsQuery(server, domain)
-	if err != nil {
+	echConfig, ttl, err := dnsQuery(server, domain, sockopt)
+	// if in "full", directly return
+	if err != nil && forceQuery == "full" {
 		return nil, err
 	}
+	if ttl == 0 {
+		ttl = dns2.DefaultTTL
+	}
 	configRecord = &echConfigRecord{
 		config: echConfig,
 		expire: time.Now().Add(time.Duration(ttl) * time.Second),
+		err:    err,
 	}
 	c.configRecord.Store(configRecord)
-	return configRecord.config, nil
+	return configRecord.config, configRecord.err
 }
 
 // QueryRecord returns the ECH config for given domain.
 // If the record is not in cache or expired, it will query the DNS server and update the cache.
-func QueryRecord(domain string, server string) ([]byte, error) {
-	echConfigCache, ok := GlobalECHConfigCache.Load(domain)
+func QueryRecord(domain string, server string, forceQuery string, sockopt *internet.SocketConfig) ([]byte, error) {
+	GlobalECHConfigCacheKey := ECHCacheKey(server, domain, sockopt)
+	echConfigCache, ok := GlobalECHConfigCache.Load(GlobalECHConfigCacheKey)
 	if !ok {
 		echConfigCache = &ECHConfigCache{}
 		echConfigCache.configRecord.Store(&echConfigRecord{})
-		echConfigCache, _ = GlobalECHConfigCache.LoadOrStore(domain, echConfigCache)
+		echConfigCache, _ = GlobalECHConfigCache.LoadOrStore(GlobalECHConfigCacheKey, echConfigCache)
 	}
 	configRecord := echConfigCache.configRecord.Load()
-	if configRecord.expire.After(time.Now()) {
+	if configRecord.expire.After(time.Now()) && (configRecord.err == nil || forceQuery == "none") {
 		errors.LogDebug(context.Background(), "Cache hit for domain: ", domain)
-		return configRecord.config, nil
+		return configRecord.config, configRecord.err
 	}
 
 	// If expire is zero value, it means we are in initial state, wait for the query to finish
 	// otherwise return old value immediately and update in a goroutine
 	// but if the cache is too old, wait for update
 	if configRecord.expire == (time.Time{}) || configRecord.expire.Add(time.Hour*6).Before(time.Now()) {
-		return echConfigCache.Update(domain, server, false)
+		return echConfigCache.Update(domain, server, false, forceQuery, sockopt)
 	} else {
 		// If someone already acquired the lock, it means it is updating, do not start another update goroutine
 		if echConfigCache.UpdateLock.TryLock() {
 			go func() {
 				defer echConfigCache.UpdateLock.Unlock()
-				echConfigCache.Update(domain, server, true)
+				echConfigCache.Update(domain, server, true, forceQuery, sockopt)
 			}()
 		}
-		return configRecord.config, nil
+		return configRecord.config, configRecord.err
 	}
 }
 
 // dnsQuery is the real func for sending type65 query for given domain to given DNS server.
 // return ECH config, TTL and error
-func dnsQuery(server string, domain string) ([]byte, uint32, error) {
+func dnsQuery(server string, domain string, sockopt *internet.SocketConfig) ([]byte, uint32, error) {
 	m := new(dns.Msg)
 	var dnsResolve []byte
 	m.SetQuestion(dns.Fqdn(domain), dns.TypeHTTPS)
 	// for DOH server
-	if strings.HasPrefix(server, "https://") {
+	if strings.HasPrefix(server, "https://") || strings.HasPrefix(server, "h2c://") {
+		h2c := strings.HasPrefix(server, "h2c://")
+		m.SetEdns0(4096, false) // 4096 is the buffer size, false means no DNSSEC
+		padding := &dns.EDNS0_PADDING{Padding: make([]byte, int(crypto.RandBetween(100, 300)))}
+		if opt := m.IsEdns0(); opt != nil {
+			opt.Option = append(opt.Option, padding)
+		}
 		// always 0 in DOH
 		m.Id = 0
 		msg, err := m.Pack()
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
 		var client *http.Client
-		if client, _ = clientForECHDOH.Load(server); client == nil {
+		serverKey := ECHCacheKey(server, "", sockopt)
+		if client, _ = clientForECHDOH.Load(serverKey); client == nil {
 			// All traffic sent by core should via xray's internet.DialSystem
 			// This involves the behavior of some Android VPN GUI clients
-			tr := &http.Transport{
-				IdleConnTimeout:   90 * time.Second,
-				ForceAttemptHTTP2: true,
-				DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+			tr := &http2.Transport{
+				IdleConnTimeout: net.ConnIdleTimeout,
+				ReadIdleTimeout: net.ChromeH2KeepAlivePeriod,
+				DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
 					dest, err := net.ParseDestination(network + ":" + addr)
 					if err != nil {
 						return nil, err
 					}
-					conn, err := internet.DialSystem(ctx, dest, nil)
+					var conn net.Conn
+
+					conn, err = internet.DialSystem(ctx, dest, sockopt)
 					if err != nil {
 						return nil, err
 					}
+
+					if !h2c {
+						u, err := url.Parse(server)
+						if err != nil {
+							return nil, err
+						}
+						conn = utls.UClient(conn, &utls.Config{ServerName: u.Hostname()}, utls.HelloChrome_Auto)
+						if err := conn.(*utls.UConn).HandshakeContext(ctx); err != nil {
+							return nil, err
+						}
+					}
 					return conn, nil
 				},
 			}
@@ -190,24 +249,26 @@ func dnsQuery(server string, domain string) ([]byte, uint32, error) {
 				Timeout:   5 * time.Second,
 				Transport: tr,
 			}
-			client, _ = clientForECHDOH.LoadOrStore(server, c)
+			client, _ = clientForECHDOH.LoadOrStore(serverKey, c)
 		}
 		req, err := http.NewRequest("POST", server, bytes.NewReader(msg))
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
+		req.Header.Set("Accept", "application/dns-message")
 		req.Header.Set("Content-Type", "application/dns-message")
+		req.Header.Set("X-Padding", strings.Repeat("X", int(crypto.RandBetween(100, 1000))))
 		resp, err := client.Do(req)
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
 		defer resp.Body.Close()
 		respBody, err := io.ReadAll(resp.Body)
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
 		if resp.StatusCode != http.StatusOK {
-			return []byte{}, 0, errors.New("query failed with response code:", resp.StatusCode)
+			return nil, 0, errors.New("query failed with response code:", resp.StatusCode)
 		}
 		dnsResolve = respBody
 	} else if strings.HasPrefix(server, "udp://") { // for classic udp dns server
@@ -223,32 +284,33 @@ func dnsQuery(server string, domain string) ([]byte, uint32, error) {
 		dnsTimeoutCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 		defer cancel()
 		// use xray's internet.DialSystem as mentioned above
-		conn, err := internet.DialSystem(dnsTimeoutCtx, dest, nil)
+		conn, err := internet.DialSystem(dnsTimeoutCtx, dest, sockopt)
+		if err != nil {
+			return nil, 0, err
+		}
 		defer func() {
 			err := conn.Close()
 			if err != nil {
 				errors.LogDebug(context.Background(), "Failed to close connection: ", err)
 			}
 		}()
-		if err != nil {
-			return []byte{}, 0, err
-		}
 		msg, err := m.Pack()
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
 		conn.Write(msg)
 		udpResponse := make([]byte, 512)
+		conn.SetReadDeadline(time.Now().Add(5 * time.Second))
 		_, err = conn.Read(udpResponse)
 		if err != nil {
-			return []byte{}, 0, err
+			return nil, 0, err
 		}
 		dnsResolve = udpResponse
 	}
 	respMsg := new(dns.Msg)
 	err := respMsg.Unpack(dnsResolve)
 	if err != nil {
-		return []byte{}, 0, errors.New("failed to unpack dns response for ECH: ", err)
+		return nil, 0, errors.New("failed to unpack dns response for ECH: ", err)
 	}
 	if len(respMsg.Answer) > 0 {
 		for _, answer := range respMsg.Answer {
@@ -262,7 +324,8 @@ func dnsQuery(server string, domain string) ([]byte, uint32, error) {
 			}
 		}
 	}
-	return []byte{}, 0, errors.New("no ech record found")
+	// empty is valid, means no ECH config found
+	return nil, dns2.DefaultTTL, nil
 }
 
 // reference github.com/OmarTariq612/goech

transport/internet/tls/ech_test.go

@@ -1,4 +1,4 @@
-package tls_test
+package tls
 
 import (
 	"io"
@@ -8,13 +8,12 @@ import (
 	"testing"
 
 	"github.com/xtls/xray-core/common"
-	. "github.com/xtls/xray-core/transport/internet/tls"
 )
 
 func TestECHDial(t *testing.T) {
 	config := &Config{
-		ServerName:    "encryptedsni.com",
-		EchConfigList: "udp://1.1.1.1",
+		ServerName:    "cloudflare.com",
+		EchConfigList: "encryptedsni.com+udp://1.1.1.1",
 	}
 	// test concurrent Dial(to test cache problem)
 	wg := sync.WaitGroup{}
@@ -28,7 +27,7 @@ func TestECHDial(t *testing.T) {
 					TLSClientConfig: TLSConfig,
 				},
 			}
-			resp, err := client.Get("https://encryptedsni.com/cdn-cgi/trace")
+			resp, err := client.Get("https://cloudflare.com/cdn-cgi/trace")
 			common.Must(err)
 			defer resp.Body.Close()
 			body, err := io.ReadAll(resp.Body)
@@ -40,4 +39,41 @@ func TestECHDial(t *testing.T) {
 		}()
 	}
 	wg.Wait()
+	// check cache
+	echConfigCache, ok := GlobalECHConfigCache.Load(ECHCacheKey("udp://1.1.1.1", "encryptedsni.com", nil))
+	if !ok {
+		t.Error("ECH config cache not found")
+
+	}
+	ok = echConfigCache.UpdateLock.TryLock()
+	if !ok {
+		t.Error("ECH config cache dead lock detected")
+	}
+	echConfigCache.UpdateLock.Unlock()
+	configRecord := echConfigCache.configRecord.Load()
+	if configRecord == nil {
+		t.Error("ECH config record not found in cache")
+	}
+}
+
+func TestECHDialFail(t *testing.T) {
+	config := &Config{
+		ServerName:    "cloudflare.com",
+		EchConfigList: "udp://127.0.0.1",
+		EchForceQuery: "half",
+	}
+	config.GetTLSConfig()
+	// check cache
+	echConfigCache, ok := GlobalECHConfigCache.Load(ECHCacheKey("udp://127.0.0.1", "cloudflare.com", nil))
+	if !ok {
+		t.Error("ECH config cache not found")
+	}
+	configRecord := echConfigCache.configRecord.Load()
+	if configRecord == nil {
+		t.Error("ECH config record not found in cache")
+		return
+	}
+	if configRecord.err == nil {
+		t.Error("unexpected nil error in ECH config record")
+	}
 }