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Tunnel inbound: Add `portMap` config (local listening port -> remote specified address/port) 

Completes https://github.com/XTLS/Xray-core/pull/4968
pull/4970/head
RPRX 2025-08-02 14:58:56 +00:00 committed by GitHub
parent b2829219a0
commit 146b14ab55
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 74 additions and 35 deletions
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19
infra/conf/dokodemo.go
View File

@ -1,16 +1,19 @@
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 {
Address *Address `json:"address"`
Port uint16 `json:"port"`
Network *NetworkList `json:"network"`
FollowRedirect 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) {
@ -19,6 +22,12 @@ func (v *DokodemoConfig) Build() (proto.Message, error) {
config.Address = v.Address.Build()
}
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

76
proxy/dokodemo/config.pb.go
View File

@ -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{
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}
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,
},

2
proxy/dokodemo/config.proto
View File

@ -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;

12
proxy/dokodemo/dokodemo.go
View File

@ -38,6 +38,7 @@ type DokodemoDoor struct {
config *Config
address net.Address
port net.Port
portMap map[string]string
sockopt *session.Sockopt
}
@ -49,6 +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
@ -91,7 +93,15 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
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