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VLESS practice: Use user-sent VLESS UUID's last byte as vlessRoute for routing rules

Browse Source 
https://github.com/XTLS/Xray-core/pull/5009#issuecomment-3194262087
This commit is contained in:
RPRX 2025-08-17 13:55:18 +00:00
parent de23e51077
commit 105b306d07
15 changed files with 146 additions and 89 deletions
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14
app/router/command/command.pb.go
View File

@ -44,6 +44,7 @@ type RoutingContext struct {
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"`
VlessRoute uint32 `protobuf:"varint,15,opt,name=VlessRoute,proto3" json:"VlessRoute,omitempty"`
}
func (x *RoutingContext) Reset() {
@ -174,6 +175,13 @@ func (x *RoutingContext) GetLocalPort() uint32 {
return 0
}
func (x *RoutingContext) GetVlessRoute() uint32 {
if x != nil {
return x.VlessRoute
}
return 0
}
// SubscribeRoutingStatsRequest subscribes to routing statistics channel if
// opened by xray-core.
// * FieldSelectors selects a subset of fields in routing statistics to return.
@ -843,7 +851,7 @@ var file_app_router_command_command_proto_rawDesc = []byte{
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@ -877,7 +885,9 @@ var file_app_router_command_command_proto_rawDesc = []byte{
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1
app/router/command/command.proto
View File

@ -27,6 +27,7 @@ message RoutingContext {
string OutboundTag = 12;
repeated bytes LocalIPs = 13;
uint32 LocalPort = 14;
uint32 VlessRoute = 15;
}
// SubscribeRoutingStatsRequest subscribes to routing statistics channel if

4
app/router/command/config.go
View File

@ -36,6 +36,10 @@ func (c routingContext) GetLocalPort() net.Port {
return net.Port(c.RoutingContext.GetLocalPort())
}
func (c routingContext) GetVlessRoute() net.Port {
return net.Port(c.RoutingContext.GetVlessRoute())
}
func (c routingContext) GetRuleTag() string {
return ""
}

2
app/router/condition.go
View File

@ -166,6 +166,8 @@ func (v *PortMatcher) Apply(ctx routing.Context) bool {
return v.port.Contains(ctx.GetSourcePort())
case "target":
return v.port.Contains(ctx.GetTargetPort())
case "vlessRoute":
return v.port.Contains(ctx.GetVlessRoute())
default:
panic("unreachable, asType should be local or source or target")
}

4
app/router/config.go
View File

@ -45,6 +45,10 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
conds.Add(NewUserMatcher(rr.UserEmail))
}
if rr.VlessRouteList != nil {
conds.Add(NewPortMatcher(rr.VlessRouteList, "vlessRoute"))
}
if len(rr.InboundTag) > 0 {
conds.Add(NewInboundTagMatcher(rr.InboundTag))
}

156
app/router/config.pb.go
View File

@ -493,6 +493,7 @@ type RoutingRule struct {
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"`
LocalGeoip []*GeoIP `protobuf:"bytes,17,rep,name=local_geoip,json=localGeoip,proto3" json:"local_geoip,omitempty"`
LocalPortList *net.PortList `protobuf:"bytes,18,opt,name=local_port_list,json=localPortList,proto3" json:"local_port_list,omitempty"`
VlessRouteList *net.PortList `protobuf:"bytes,20,opt,name=vless_route_list,json=vlessRouteList,proto3" json:"vless_route_list,omitempty"`
}
func (x *RoutingRule) Reset() {
@ -637,6 +638,13 @@ func (x *RoutingRule) GetLocalPortList() *net.PortList {
return nil
}
func (x *RoutingRule) GetVlessRouteList() *net.PortList {
if x != nil {
return x.VlessRouteList
}
return nil
}
type isRoutingRule_TargetTag interface {
isRoutingRule_TargetTag()
}
@ -1077,7 +1085,7 @@ var file_app_router_config_proto_rawDesc = []byte{
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@ -1123,66 +1131,71 @@ var file_app_router_config_proto_rawDesc = []byte{
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0x74, 0x6f, 0x33,
}
var (
@ -1235,16 +1248,17 @@ var file_app_router_config_proto_depIdxs = []int32{
14, // 12: xray.app.router.RoutingRule.attributes:type_name -> xray.app.router.RoutingRule.AttributesEntry
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
15, // 15: xray.app.router.RoutingRule.vless_route_list:type_name -> xray.common.net.PortList
17, // 16: xray.app.router.BalancingRule.strategy_settings:type_name -> xray.common.serial.TypedMessage
10, // 17: xray.app.router.StrategyLeastLoadConfig.costs:type_name -> xray.app.router.StrategyWeight
1, // 18: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
8, // 19: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
9, // 20: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
21, // [21:21] is the sub-list for method output_type
21, // [21:21] is the sub-list for method input_type
21, // [21:21] is the sub-list for extension type_name
21, // [21:21] is the sub-list for extension extendee
0, // [0:21] is the sub-list for field type_name
}
func init() { file_app_router_config_proto_init() }

2
app/router/config.proto
View File

@ -111,6 +111,8 @@ message RoutingRule {
repeated GeoIP local_geoip = 17;
xray.common.net.PortList local_port_list = 18;
xray.common.net.PortList vless_route_list = 20;
}
message BalancingRule {

2
common/session/session.go
View File

@ -46,6 +46,8 @@ type Inbound struct {
Name string
// User is the user that authenticates for the inbound. May be nil if the protocol allows anonymous traffic.
User *protocol.MemoryUser
// VlessRoute is the user-sent VLESS UUID's last byte.
VlessRoute net.Port
// Conn is actually internet.Connection. May be nil.
Conn net.Conn
// Timer of the inbound buf copier. May be nil.

3
features/routing/context.go
View File

@ -41,6 +41,9 @@ type Context interface {
// GetUser returns the user email from the connection content, if exists.
GetUser() string
// GetVlessRoute returns the user-sent VLESS UUID's last byte, if exists.
GetVlessRoute() net.Port
// GetAttributes returns extra attributes from the conneciont content.
GetAttributes() map[string]string

8
features/routing/session/context.go
View File

@ -128,6 +128,14 @@ func (ctx *Context) GetUser() string {
return ctx.Inbound.User.Email
}
// GetVlessRoute implements routing.Context.
func (ctx *Context) GetVlessRoute() net.Port {
if ctx.Inbound == nil {
return 0
}
return ctx.Inbound.VlessRoute
}
// GetAttributes implements routing.Context.
func (ctx *Context) GetAttributes() map[string]string {
if ctx.Content == nil {

5
infra/conf/router.go
View File

@ -531,6 +531,7 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
Source *StringList `json:"source"`
SourcePort *PortList `json:"sourcePort"`
User *StringList `json:"user"`
VlessRoute *PortList `json:"vlessRoute"`
InboundTag *StringList `json:"inboundTag"`
Protocols *StringList `json:"protocol"`
Attributes map[string]string `json:"attrs"`
@ -628,6 +629,10 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
}
}
if rawFieldRule.VlessRoute != nil {
rule.VlessRouteList = rawFieldRule.VlessRoute.Build()
}
if rawFieldRule.InboundTag != nil {
for _, s := range *rawFieldRule.InboundTag {
rule.InboundTag = append(rule.InboundTag, s)

18
proxy/vless/encoding/encoding.go
View File

@ -62,7 +62,7 @@ func EncodeRequestHeader(writer io.Writer, request *protocol.RequestHeader, requ
}
// DecodeRequestHeader decodes and returns (if successful) a RequestHeader from an input stream.
func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) (*protocol.RequestHeader, *Addons, bool, error) {
func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validator vless.Validator) (byte, *protocol.RequestHeader, *Addons, bool, error) {
buffer := buf.StackNew()
defer buffer.Release()
@ -72,7 +72,7 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
request.Version = first.Byte(0)
} else {
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, nil, false, errors.New("failed to read request version").Base(err)
return 0, nil, nil, false, errors.New("failed to read request version").Base(err)
}
request.Version = buffer.Byte(0)
}
@ -87,13 +87,13 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
} else {
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, 16); err != nil {
return nil, nil, false, errors.New("failed to read request user id").Base(err)
return 0, nil, nil, false, errors.New("failed to read request user id").Base(err)
}
copy(id[:], buffer.Bytes())
}
if request.User = validator.Get(id); request.User == nil {
return nil, nil, isfb, errors.New("invalid request user id")
return 0, nil, nil, isfb, errors.New("invalid request user id")
}
if isfb {
@ -102,12 +102,12 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
requestAddons, err := DecodeHeaderAddons(&buffer, reader)
if err != nil {
return nil, nil, false, errors.New("failed to decode request header addons").Base(err)
return 0, nil, nil, false, errors.New("failed to decode request header addons").Base(err)
}
buffer.Clear()
if _, err := buffer.ReadFullFrom(reader, 1); err != nil {
return nil, nil, false, errors.New("failed to read request command").Base(err)
return 0, nil, nil, false, errors.New("failed to read request command").Base(err)
}
request.Command = protocol.RequestCommand(buffer.Byte(0))
@ -122,11 +122,11 @@ func DecodeRequestHeader(isfb bool, first *buf.Buffer, reader io.Reader, validat
}
}
if request.Address == nil {
return nil, nil, false, errors.New("invalid request address")
return 0, nil, nil, false, errors.New("invalid request address")
}
return request, requestAddons, false, nil
return id[15], request, requestAddons, false, nil
default:
return nil, nil, isfb, errors.New("invalid request version")
return 0, nil, nil, isfb, errors.New("invalid request version")
}
}

6
proxy/vless/encoding/encoding_test.go
View File

@ -45,7 +45,7 @@ func TestRequestSerialization(t *testing.T) {
Validator := new(vless.MemoryValidator)
Validator.Add(user)
actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
_, actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
common.Must(err)
if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {
@ -86,7 +86,7 @@ func TestInvalidRequest(t *testing.T) {
Validator := new(vless.MemoryValidator)
Validator.Add(user)
_, _, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
_, _, _, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
if err == nil {
t.Error("nil error")
}
@ -117,7 +117,7 @@ func TestMuxRequest(t *testing.T) {
Validator := new(vless.MemoryValidator)
Validator.Add(user)
actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
_, actualRequest, actualAddons, _, err := DecodeRequestHeader(false, nil, &buffer, Validator)
common.Must(err)
if r := cmp.Diff(actualRequest, expectedRequest, cmp.AllowUnexported(protocol.ID{})); r != "" {

4
proxy/vless/inbound/inbound.go
View File

@ -217,6 +217,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
Buffer: buf.MultiBuffer{first},
}
var vlessRoute byte
var request *protocol.RequestHeader
var requestAddons *encoding.Addons
var err error
@ -227,7 +228,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
if isfb && firstLen < 18 {
err = errors.New("fallback directly")
} else {
request, requestAddons, isfb, err = encoding.DecodeRequestHeader(isfb, first, reader, h.validator)
vlessRoute, request, requestAddons, isfb, err = encoding.DecodeRequestHeader(isfb, first, reader, h.validator)
}
if err != nil {
@ -455,6 +456,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
}
inbound.Name = "vless"
inbound.User = request.User
inbound.VlessRoute = net.Port(vlessRoute)
account := request.User.Account.(*vless.MemoryAccount)

6
proxy/vless/validator.go
View File

@ -33,7 +33,7 @@ func (v *MemoryValidator) Add(u *protocol.MemoryUser) error {
return errors.New("User ", u.Email, " already exists.")
}
}
v.users.Store(u.Account.(*MemoryAccount).ID.UUID(), u)
v.users.Store([15]byte(u.Account.(*MemoryAccount).ID.Bytes()), u)
return nil
}
@ -48,13 +48,13 @@ func (v *MemoryValidator) Del(e string) error {
return errors.New("User ", e, " not found.")
}
v.email.Delete(le)
v.users.Delete(u.(*protocol.MemoryUser).Account.(*MemoryAccount).ID.UUID())
v.users.Delete([15]byte(u.(*protocol.MemoryUser).Account.(*MemoryAccount).ID.Bytes()))
return nil
}
// Get a VLESS user with UUID, nil if user doesn't exist.
func (v *MemoryValidator) Get(id uuid.UUID) *protocol.MemoryUser {
u, _ := v.users.Load(id)
u, _ := v.users.Load([15]byte(id[:]))
if u != nil {
return u.(*protocol.MemoryUser)
}