v1.0.0

proxy/dokodemo/config.go

@@ -0,0 +1,14 @@
+package dokodemo
+
+import (
+	"github.com/xtls/xray-core/v1/common/net"
+)
+
+// GetPredefinedAddress returns the defined address from proto config. Null if address is not valid.
+func (v *Config) GetPredefinedAddress() net.Address {
+	addr := v.Address.AsAddress()
+	if addr == nil {
+		return nil
+	}
+	return addr
+}

proxy/dokodemo/config.pb.go

@@ -0,0 +1,237 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.14.0
+// source: proxy/dokodemo/config.proto
+
+package dokodemo
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	net "github.com/xtls/xray-core/v1/common/net"
+	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)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type Config struct {
+	state         protoimpl.MessageState
+	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"`
+	// List of networks that the Dokodemo accepts.
+	// Deprecated. Use networks.
+	//
+	// Deprecated: Do not use.
+	NetworkList *net.NetworkList `protobuf:"bytes,3,opt,name=network_list,json=networkList,proto3" json:"network_list,omitempty"`
+	// 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"`
+	// Deprecated: Do not use.
+	Timeout        uint32 `protobuf:"varint,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	FollowRedirect bool   `protobuf:"varint,5,opt,name=follow_redirect,json=followRedirect,proto3" json:"follow_redirect,omitempty"`
+	UserLevel      uint32 `protobuf:"varint,6,opt,name=user_level,json=userLevel,proto3" json:"user_level,omitempty"`
+}
+
+func (x *Config) Reset() {
+	*x = Config{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_dokodemo_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_proxy_dokodemo_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && 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_proxy_dokodemo_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Config) GetAddress() *net.IPOrDomain {
+	if x != nil {
+		return x.Address
+	}
+	return nil
+}
+
+func (x *Config) GetPort() uint32 {
+	if x != nil {
+		return x.Port
+	}
+	return 0
+}
+
+// Deprecated: Do not use.
+func (x *Config) GetNetworkList() *net.NetworkList {
+	if x != nil {
+		return x.NetworkList
+	}
+	return nil
+}
+
+func (x *Config) GetNetworks() []net.Network {
+	if x != nil {
+		return x.Networks
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *Config) GetTimeout() uint32 {
+	if x != nil {
+		return x.Timeout
+	}
+	return 0
+}
+
+func (x *Config) GetFollowRedirect() bool {
+	if x != nil {
+		return x.FollowRedirect
+	}
+	return false
+}
+
+func (x *Config) GetUserLevel() uint32 {
+	if x != nil {
+		return x.UserLevel
+	}
+	return 0
+}
+
+var File_proxy_dokodemo_config_proto protoreflect.FileDescriptor
+
+var file_proxy_dokodemo_config_proto_rawDesc = []byte{
+	0x0a, 0x1b, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x64, 0x6f, 0x6b, 0x6f, 0x64, 0x65, 0x6d, 0x6f,
+	0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x13, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x64, 0x6f, 0x6b, 0x6f, 0x64, 0x65,
+	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, 0xb4, 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, 0x43, 0x0a, 0x0c,
+	0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x18, 0x03, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x4e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x4c, 0x69, 0x73, 0x74,
+	0x42, 0x02, 0x18, 0x01, 0x52, 0x0b, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x4c, 0x69, 0x73,
+	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, 0x1c, 0x0a, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f,
+	0x75, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x42, 0x02, 0x18, 0x01, 0x52, 0x07, 0x74, 0x69,
+	0x6d, 0x65, 0x6f, 0x75, 0x74, 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, 0x5e, 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, 0x2b, 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, 0x76, 0x31, 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 (
+	file_proxy_dokodemo_config_proto_rawDescOnce sync.Once
+	file_proxy_dokodemo_config_proto_rawDescData = file_proxy_dokodemo_config_proto_rawDesc
+)
+
+func file_proxy_dokodemo_config_proto_rawDescGZIP() []byte {
+	file_proxy_dokodemo_config_proto_rawDescOnce.Do(func() {
+		file_proxy_dokodemo_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_dokodemo_config_proto_rawDescData)
+	})
+	return file_proxy_dokodemo_config_proto_rawDescData
+}
+
+var file_proxy_dokodemo_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_proxy_dokodemo_config_proto_goTypes = []interface{}{
+	(*Config)(nil),          // 0: xray.proxy.dokodemo.Config
+	(*net.IPOrDomain)(nil),  // 1: xray.common.net.IPOrDomain
+	(*net.NetworkList)(nil), // 2: xray.common.net.NetworkList
+	(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.network_list:type_name -> xray.common.net.NetworkList
+	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() }
+func file_proxy_dokodemo_config_proto_init() {
+	if File_proxy_dokodemo_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proxy_dokodemo_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Config); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proxy_dokodemo_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_proxy_dokodemo_config_proto_goTypes,
+		DependencyIndexes: file_proxy_dokodemo_config_proto_depIdxs,
+		MessageInfos:      file_proxy_dokodemo_config_proto_msgTypes,
+	}.Build()
+	File_proxy_dokodemo_config_proto = out.File
+	file_proxy_dokodemo_config_proto_rawDesc = nil
+	file_proxy_dokodemo_config_proto_goTypes = nil
+	file_proxy_dokodemo_config_proto_depIdxs = nil
+}

proxy/dokodemo/config.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+package xray.proxy.dokodemo;
+option csharp_namespace = "Xray.Proxy.Dokodemo";
+option go_package = "github.com/xtls/xray-core/v1/proxy/dokodemo";
+option java_package = "com.xray.proxy.dokodemo";
+option java_multiple_files = true;
+
+import "common/net/address.proto";
+import "common/net/network.proto";
+
+message Config {
+  xray.common.net.IPOrDomain address = 1;
+  uint32 port = 2;
+
+  // List of networks that the Dokodemo accepts.
+  // Deprecated. Use networks.
+  xray.common.net.NetworkList network_list = 3 [deprecated = true];
+  // List of networks that the Dokodemo accepts.
+  repeated xray.common.net.Network networks = 7;
+
+  uint32 timeout = 4 [deprecated = true];
+  bool follow_redirect = 5;
+  uint32 user_level = 6;
+}

proxy/dokodemo/dokodemo.go

@@ -0,0 +1,214 @@
+// +build !confonly
+
+package dokodemo
+
+//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
+
+import (
+	"context"
+	"sync/atomic"
+	"time"
+
+	"github.com/xtls/xray-core/v1/common"
+	"github.com/xtls/xray-core/v1/common/buf"
+	"github.com/xtls/xray-core/v1/common/log"
+	"github.com/xtls/xray-core/v1/common/net"
+	"github.com/xtls/xray-core/v1/common/protocol"
+	"github.com/xtls/xray-core/v1/common/session"
+	"github.com/xtls/xray-core/v1/common/signal"
+	"github.com/xtls/xray-core/v1/common/task"
+	"github.com/xtls/xray-core/v1/core"
+	"github.com/xtls/xray-core/v1/features/policy"
+	"github.com/xtls/xray-core/v1/features/routing"
+	"github.com/xtls/xray-core/v1/transport/internet"
+)
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		d := new(DokodemoDoor)
+		err := core.RequireFeatures(ctx, func(pm policy.Manager) error {
+			return d.Init(config.(*Config), pm, session.SockoptFromContext(ctx))
+		})
+		return d, err
+	}))
+}
+
+type DokodemoDoor struct {
+	policyManager policy.Manager
+	config        *Config
+	address       net.Address
+	port          net.Port
+	sockopt       *session.Sockopt
+}
+
+// Init initializes the DokodemoDoor instance with necessary parameters.
+func (d *DokodemoDoor) Init(config *Config, pm policy.Manager, sockopt *session.Sockopt) error {
+	if (config.NetworkList == nil || len(config.NetworkList.Network) == 0) && len(config.Networks) == 0 {
+		return newError("no network specified")
+	}
+	d.config = config
+	d.address = config.GetPredefinedAddress()
+	d.port = net.Port(config.Port)
+	d.policyManager = pm
+	d.sockopt = sockopt
+
+	return nil
+}
+
+// Network implements proxy.Inbound.
+func (d *DokodemoDoor) Network() []net.Network {
+	if len(d.config.Networks) > 0 {
+		return d.config.Networks
+	}
+
+	return d.config.NetworkList.Network
+}
+
+func (d *DokodemoDoor) policy() policy.Session {
+	config := d.config
+	p := d.policyManager.ForLevel(config.UserLevel)
+	if config.Timeout > 0 && config.UserLevel == 0 {
+		p.Timeouts.ConnectionIdle = time.Duration(config.Timeout) * time.Second
+	}
+	return p
+}
+
+type hasHandshakeAddress interface {
+	HandshakeAddress() net.Address
+}
+
+// Process implements proxy.Inbound.
+func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn internet.Connection, dispatcher routing.Dispatcher) error {
+	newError("processing connection from: ", conn.RemoteAddr()).AtDebug().WriteToLog(session.ExportIDToError(ctx))
+	dest := net.Destination{
+		Network: network,
+		Address: d.address,
+		Port:    d.port,
+	}
+
+	destinationOverridden := false
+	if d.config.FollowRedirect {
+		if outbound := session.OutboundFromContext(ctx); outbound != nil && outbound.Target.IsValid() {
+			dest = outbound.Target
+			destinationOverridden = true
+		} else if handshake, ok := conn.(hasHandshakeAddress); ok {
+			addr := handshake.HandshakeAddress()
+			if addr != nil {
+				dest.Address = addr
+				destinationOverridden = true
+			}
+		}
+	}
+	if !dest.IsValid() || dest.Address == nil {
+		return newError("unable to get destination")
+	}
+
+	if inbound := session.InboundFromContext(ctx); inbound != nil {
+		inbound.User = &protocol.MemoryUser{
+			Level: d.config.UserLevel,
+		}
+	}
+
+	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
+		From:   conn.RemoteAddr(),
+		To:     dest,
+		Status: log.AccessAccepted,
+		Reason: "",
+	})
+	newError("received request for ", conn.RemoteAddr()).WriteToLog(session.ExportIDToError(ctx))
+
+	plcy := d.policy()
+	ctx, cancel := context.WithCancel(ctx)
+	timer := signal.CancelAfterInactivity(ctx, cancel, plcy.Timeouts.ConnectionIdle)
+
+	ctx = policy.ContextWithBufferPolicy(ctx, plcy.Buffer)
+	link, err := dispatcher.Dispatch(ctx, dest)
+	if err != nil {
+		return newError("failed to dispatch request").Base(err)
+	}
+
+	requestCount := int32(1)
+	requestDone := func() error {
+		defer func() {
+			if atomic.AddInt32(&requestCount, -1) == 0 {
+				timer.SetTimeout(plcy.Timeouts.DownlinkOnly)
+			}
+		}()
+
+		var reader buf.Reader
+		if dest.Network == net.Network_UDP {
+			reader = buf.NewPacketReader(conn)
+		} else {
+			reader = buf.NewReader(conn)
+		}
+		if err := buf.Copy(reader, link.Writer, buf.UpdateActivity(timer)); err != nil {
+			return newError("failed to transport request").Base(err)
+		}
+
+		return nil
+	}
+
+	tproxyRequest := func() error {
+		return nil
+	}
+
+	var writer buf.Writer
+	if network == net.Network_TCP {
+		writer = buf.NewWriter(conn)
+	} else {
+		// if we are in TPROXY mode, use linux's udp forging functionality
+		if !destinationOverridden {
+			writer = &buf.SequentialWriter{Writer: conn}
+		} else {
+			sockopt := &internet.SocketConfig{
+				Tproxy: internet.SocketConfig_TProxy,
+			}
+			if dest.Address.Family().IsIP() {
+				sockopt.BindAddress = dest.Address.IP()
+				sockopt.BindPort = uint32(dest.Port)
+			}
+			if d.sockopt != nil {
+				sockopt.Mark = d.sockopt.Mark
+			}
+			tConn, err := internet.DialSystem(ctx, net.DestinationFromAddr(conn.RemoteAddr()), sockopt)
+			if err != nil {
+				return err
+			}
+			defer tConn.Close()
+
+			writer = &buf.SequentialWriter{Writer: tConn}
+			tReader := buf.NewPacketReader(tConn)
+			requestCount++
+			tproxyRequest = func() error {
+				defer func() {
+					if atomic.AddInt32(&requestCount, -1) == 0 {
+						timer.SetTimeout(plcy.Timeouts.DownlinkOnly)
+					}
+				}()
+				if err := buf.Copy(tReader, link.Writer, buf.UpdateActivity(timer)); err != nil {
+					return newError("failed to transport request (TPROXY conn)").Base(err)
+				}
+				return nil
+			}
+		}
+	}
+
+	responseDone := func() error {
+		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
+
+		if err := buf.Copy(link.Reader, writer, buf.UpdateActivity(timer)); err != nil {
+			return newError("failed to transport response").Base(err)
+		}
+		return nil
+	}
+
+	if err := task.Run(ctx, task.OnSuccess(func() error {
+		return task.Run(ctx, requestDone, tproxyRequest)
+	}, task.Close(link.Writer)), responseDone); err != nil {
+		common.Interrupt(link.Reader)
+		common.Interrupt(link.Writer)
+		return newError("connection ends").Base(err)
+	}
+
+	return nil
+}

proxy/dokodemo/errors.generated.go

@@ -0,0 +1,9 @@
+package dokodemo
+
+import "github.com/xtls/xray-core/v1/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}