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Transport: Remove DomainSocket (#3757) 

https://github.com/XTLS/Xray-core/pull/3755#issuecomment-2325533003
This commit is contained in:
mmmray 2024-09-03 13:36:11 +02:00 committed by GitHub
parent 9a953c070f
commit c0a98f74fc
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GPG Key ID: B5690EEEBB952194
15 changed files with 37 additions and 724 deletions
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12
infra/conf/transport.go
View File

@ -12,7 +12,6 @@ type TransportConfig struct {
KCPConfig *KCPConfig `json:"kcpSettings"` KCPConfig *KCPConfig `json:"kcpSettings"`
WSConfig *WebSocketConfig `json:"wsSettings"` WSConfig *WebSocketConfig `json:"wsSettings"`
HTTPConfig *HTTPConfig `json:"httpSettings"` HTTPConfig *HTTPConfig `json:"httpSettings"`
DSConfig *DomainSocketConfig `json:"dsSettings"`
GRPCConfig *GRPCConfig `json:"grpcSettings"` GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"` GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADEConfig *HttpUpgradeConfig `json:"httpupgradeSettings"` HTTPUPGRADEConfig *HttpUpgradeConfig `json:"httpupgradeSettings"`
@ -67,17 +66,6 @@ func (c *TransportConfig) Build() (*global.Config, error) {
}) })
} }
if c.DSConfig != nil {
ds, err := c.DSConfig.Build()
if err != nil {
return nil, errors.New("Failed to build DomainSocket config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "domainsocket",
Settings: serial.ToTypedMessage(ds),
})
}
if c.GRPCConfig == nil { if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig c.GRPCConfig = c.GUNConfig
} }

33
infra/conf/transport_internet.go
View File

@ -16,7 +16,6 @@ import (
"github.com/xtls/xray-core/common/platform/filesystem" "github.com/xtls/xray-core/common/platform/filesystem"
"github.com/xtls/xray-core/common/serial" "github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/transport/internet" "github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/domainsocket"
httpheader "github.com/xtls/xray-core/transport/internet/headers/http" httpheader "github.com/xtls/xray-core/transport/internet/headers/http"
"github.com/xtls/xray-core/transport/internet/http" "github.com/xtls/xray-core/transport/internet/http"
"github.com/xtls/xray-core/transport/internet/httpupgrade" "github.com/xtls/xray-core/transport/internet/httpupgrade"
@ -313,21 +312,6 @@ func (c *HTTPConfig) Build() (proto.Message, error) {
return config, nil return config, nil
} }
type DomainSocketConfig struct {
Path string `json:"path"`
Abstract bool `json:"abstract"`
Padding bool `json:"padding"`
}
// Build implements Buildable.
func (c *DomainSocketConfig) Build() (proto.Message, error) {
return &domainsocket.Config{
Path: c.Path,
Abstract: c.Abstract,
Padding: c.Padding,
}, nil
}
func readFileOrString(f string, s []string) ([]byte, error) { func readFileOrString(f string, s []string) ([]byte, error) {
if len(f) > 0 { if len(f) > 0 {
return filesystem.ReadFile(f) return filesystem.ReadFile(f)
@ -646,8 +630,6 @@ func (p TransportProtocol) Build() (string, error) {
return "websocket", nil return "websocket", nil
case "h2", "http": case "h2", "http":
return "http", nil return "http", nil
case "ds", "domainsocket":
return "domainsocket", nil
case "grpc", "gun": case "grpc", "gun":
return "grpc", nil return "grpc", nil
case "httpupgrade": case "httpupgrade":
@ -783,7 +765,6 @@ type StreamConfig struct {
KCPSettings *KCPConfig `json:"kcpSettings"` KCPSettings *KCPConfig `json:"kcpSettings"`
WSSettings *WebSocketConfig `json:"wsSettings"` WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"` HTTPSettings *HTTPConfig `json:"httpSettings"`
DSSettings *DomainSocketConfig `json:"dsSettings"`
SocketSettings *SocketConfig `json:"sockopt"` SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"` GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"` GUNConfig *GRPCConfig `json:"gunSettings"`
@ -818,8 +799,8 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
config.SecuritySettings = append(config.SecuritySettings, tm) config.SecuritySettings = append(config.SecuritySettings, tm)
config.SecurityType = tm.Type config.SecurityType = tm.Type
case "reality": case "reality":
if config.ProtocolName != "tcp" && config.ProtocolName != "http" && config.ProtocolName != "grpc" && config.ProtocolName != "domainsocket" { if config.ProtocolName != "tcp" && config.ProtocolName != "http" && config.ProtocolName != "grpc" {
return nil, errors.New("REALITY only supports TCP, H2, gRPC and DomainSocket for now.") return nil, errors.New("REALITY only supports TCP, H2 and gRPC for now.")
} }
if c.REALITYSettings == nil { if c.REALITYSettings == nil {
return nil, errors.New(`REALITY: Empty "realitySettings".`) return nil, errors.New(`REALITY: Empty "realitySettings".`)
@ -876,16 +857,6 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
Settings: serial.ToTypedMessage(ts), Settings: serial.ToTypedMessage(ts),
}) })
} }
if c.DSSettings != nil {
ds, err := c.DSSettings.Build()
if err != nil {
return nil, errors.New("Failed to build DomainSocket config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "domainsocket",
Settings: serial.ToTypedMessage(ds),
})
}
if c.GRPCConfig == nil { if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig c.GRPCConfig = c.GUNConfig
} }

3
infra/conf/xray.go
View File

@ -553,9 +553,6 @@ func applyTransportConfig(s *StreamConfig, t *TransportConfig) {
if s.HTTPSettings == nil { if s.HTTPSettings == nil {
s.HTTPSettings = t.HTTPConfig s.HTTPSettings = t.HTTPConfig
} }
if s.DSSettings == nil {
s.DSSettings = t.DSConfig
}
if s.HTTPUPGRADESettings == nil { if s.HTTPUPGRADESettings == nil {
s.HTTPUPGRADESettings = t.HTTPUPGRADEConfig s.HTTPUPGRADESettings = t.HTTPUPGRADEConfig
} }

1
main/distro/all/all.go
View File

@ -50,7 +50,6 @@ import (
_ "github.com/xtls/xray-core/proxy/wireguard" _ "github.com/xtls/xray-core/proxy/wireguard"
// Transports // Transports
_ "github.com/xtls/xray-core/transport/internet/domainsocket"
_ "github.com/xtls/xray-core/transport/internet/grpc" _ "github.com/xtls/xray-core/transport/internet/grpc"
_ "github.com/xtls/xray-core/transport/internet/http" _ "github.com/xtls/xray-core/transport/internet/http"
_ "github.com/xtls/xray-core/transport/internet/httpupgrade" _ "github.com/xtls/xray-core/transport/internet/httpupgrade"

117
testing/scenarios/transport_test.go
View File

@ -1,8 +1,6 @@
package scenarios package scenarios
import ( import (
"os"
"runtime"
"testing" "testing"
"time" "time"
@ -20,7 +18,6 @@ import (
"github.com/xtls/xray-core/proxy/vmess/outbound" "github.com/xtls/xray-core/proxy/vmess/outbound"
"github.com/xtls/xray-core/testing/servers/tcp" "github.com/xtls/xray-core/testing/servers/tcp"
"github.com/xtls/xray-core/transport/internet" "github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/domainsocket"
"github.com/xtls/xray-core/transport/internet/headers/http" "github.com/xtls/xray-core/transport/internet/headers/http"
tcptransport "github.com/xtls/xray-core/transport/internet/tcp" tcptransport "github.com/xtls/xray-core/transport/internet/tcp"
) )
@ -128,117 +125,3 @@ func TestHTTPConnectionHeader(t *testing.T) {
t.Error(err) t.Error(err)
} }
} }
func TestDomainSocket(t *testing.T) {
if runtime.GOOS == "windows" || runtime.GOOS == "android" {
t.Skip("Not supported on windows or android")
return
}
tcpServer := tcp.Server{
MsgProcessor: xor,
}
dest, err := tcpServer.Start()
common.Must(err)
defer tcpServer.Close()
const dsPath = "/tmp/ds_scenario"
os.Remove(dsPath)
userID := protocol.NewID(uuid.New())
serverPort := tcp.PickPort()
serverConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortList: &net.PortList{Range: []*net.PortRange{net.SinglePortRange(serverPort)}},
Listen: net.NewIPOrDomain(net.LocalHostIP),
StreamSettings: &internet.StreamConfig{
Protocol: internet.TransportProtocol_DomainSocket,
TransportSettings: []*internet.TransportConfig{
{
Protocol: internet.TransportProtocol_DomainSocket,
Settings: serial.ToTypedMessage(&domainsocket.Config{
Path: dsPath,
}),
},
},
},
}),
ProxySettings: serial.ToTypedMessage(&inbound.Config{
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
clientPort := tcp.PickPort()
clientConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortList: &net.PortList{Range: []*net.PortRange{net.SinglePortRange(clientPort)}},
Listen: net.NewIPOrDomain(net.LocalHostIP),
}),
ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
Address: net.NewIPOrDomain(dest.Address),
Port: uint32(dest.Port),
NetworkList: &net.NetworkList{
Network: []net.Network{net.Network_TCP},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&outbound.Config{
Receiver: []*protocol.ServerEndpoint{
{
Address: net.NewIPOrDomain(net.LocalHostIP),
Port: uint32(serverPort),
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
},
},
}),
SenderSettings: serial.ToTypedMessage(&proxyman.SenderConfig{
StreamSettings: &internet.StreamConfig{
Protocol: internet.TransportProtocol_DomainSocket,
TransportSettings: []*internet.TransportConfig{
{
Protocol: internet.TransportProtocol_DomainSocket,
Settings: serial.ToTypedMessage(&domainsocket.Config{
Path: dsPath,
}),
},
},
},
}),
},
},
}
servers, err := InitializeServerConfigs(serverConfig, clientConfig)
common.Must(err)
defer CloseAllServers(servers)
if err := testTCPConn(clientPort, 1024, time.Second*2)(); err != nil {
t.Error(err)
}
}

2
transport/internet/config.go
View File

@ -42,8 +42,6 @@ func transportProtocolToString(protocol TransportProtocol) string {
return "mkcp" return "mkcp"
case TransportProtocol_WebSocket: case TransportProtocol_WebSocket:
return "websocket" return "websocket"
case TransportProtocol_DomainSocket:
return "domainsocket"
case TransportProtocol_HTTPUpgrade: case TransportProtocol_HTTPUpgrade:
return "httpupgrade" return "httpupgrade"
default: default:

74
transport/internet/config.pb.go
View File

@ -24,14 +24,13 @@ const (
type TransportProtocol int32 type TransportProtocol int32
const ( const (
TransportProtocol_TCP TransportProtocol = 0 TransportProtocol_TCP TransportProtocol = 0
TransportProtocol_UDP TransportProtocol = 1 TransportProtocol_UDP TransportProtocol = 1
TransportProtocol_MKCP TransportProtocol = 2 TransportProtocol_MKCP TransportProtocol = 2
TransportProtocol_WebSocket TransportProtocol = 3 TransportProtocol_WebSocket TransportProtocol = 3
TransportProtocol_HTTP TransportProtocol = 4 TransportProtocol_HTTP TransportProtocol = 4
TransportProtocol_DomainSocket TransportProtocol = 5 TransportProtocol_HTTPUpgrade TransportProtocol = 6
TransportProtocol_HTTPUpgrade TransportProtocol = 6 TransportProtocol_SplitHTTP TransportProtocol = 7
TransportProtocol_SplitHTTP TransportProtocol = 7
) )
// Enum value maps for TransportProtocol. // Enum value maps for TransportProtocol.
@ -42,19 +41,17 @@ var (
2: "MKCP", 2: "MKCP",
3: "WebSocket", 3: "WebSocket",
4: "HTTP", 4: "HTTP",
5: "DomainSocket",
6: "HTTPUpgrade", 6: "HTTPUpgrade",
7: "SplitHTTP", 7: "SplitHTTP",
} }
TransportProtocol_value = map[string]int32{ TransportProtocol_value = map[string]int32{
"TCP": 0, "TCP": 0,
"UDP": 1, "UDP": 1,
"MKCP": 2, "MKCP": 2,
"WebSocket": 3, "WebSocket": 3,
"HTTP": 4, "HTTP": 4,
"DomainSocket": 5, "HTTPUpgrade": 6,
"HTTPUpgrade": 6, "SplitHTTP": 7,
"SplitHTTP": 7,
} }
) )
@ -821,32 +818,31 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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} }
var ( var (

1
transport/internet/config.proto
View File

@ -14,7 +14,6 @@ enum TransportProtocol {
MKCP = 2; MKCP = 2;
WebSocket = 3; WebSocket = 3;
HTTP = 4; HTTP = 4;
DomainSocket = 5;
HTTPUpgrade = 6; HTTPUpgrade = 6;
SplitHTTP = 7; SplitHTTP = 7;
} }

39
transport/internet/domainsocket/config.go
View File

@ -1,39 +0,0 @@
package domainsocket
import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
)
const (
protocolName = "domainsocket"
sizeofSunPath = 108
)
func (c *Config) GetUnixAddr() (*net.UnixAddr, error) {
path := c.Path
if path == "" {
return nil, errors.New("empty domain socket path")
}
if c.Abstract && path[0] != '@' {
path = "@" + path
}
if c.Abstract && c.Padding {
raw := []byte(path)
addr := make([]byte, sizeofSunPath)
copy(addr, raw)
path = string(addr)
}
return &net.UnixAddr{
Name: path,
Net: "unix",
}, nil
}
func init() {
common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
return new(Config)
}))
}

180
transport/internet/domainsocket/config.pb.go
View File

@ -1,180 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.34.2
// protoc v5.27.0
// source: transport/internet/domainsocket/config.proto
package domainsocket
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
// Path of the domain socket. This overrides the IP/Port parameter from
// upstream caller.
Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
// Abstract specifies whether to use abstract namespace or not.
// Traditionally Unix domain socket is file system based. Abstract domain
// socket can be used without acquiring file lock.
Abstract bool `protobuf:"varint,2,opt,name=abstract,proto3" json:"abstract,omitempty"`
// Some apps, eg. haproxy, use the full length of sockaddr_un.sun_path to
// connect(2) or bind(2) when using abstract UDS.
Padding bool `protobuf:"varint,3,opt,name=padding,proto3" json:"padding,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_domainsocket_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_transport_internet_domainsocket_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_transport_internet_domainsocket_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetPath() string {
if x != nil {
return x.Path
}
return ""
}
func (x *Config) GetAbstract() bool {
if x != nil {
return x.Abstract
}
return false
}
func (x *Config) GetPadding() bool {
if x != nil {
return x.Padding
}
return false
}
var File_transport_internet_domainsocket_config_proto protoreflect.FileDescriptor
var file_transport_internet_domainsocket_config_proto_rawDesc = []byte{
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0x33,
}
var (
file_transport_internet_domainsocket_config_proto_rawDescOnce sync.Once
file_transport_internet_domainsocket_config_proto_rawDescData = file_transport_internet_domainsocket_config_proto_rawDesc
)
func file_transport_internet_domainsocket_config_proto_rawDescGZIP() []byte {
file_transport_internet_domainsocket_config_proto_rawDescOnce.Do(func() {
file_transport_internet_domainsocket_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_domainsocket_config_proto_rawDescData)
})
return file_transport_internet_domainsocket_config_proto_rawDescData
}
var file_transport_internet_domainsocket_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_transport_internet_domainsocket_config_proto_goTypes = []any{
(*Config)(nil), // 0: xray.transport.internet.domainsocket.Config
}
var file_transport_internet_domainsocket_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_transport_internet_domainsocket_config_proto_init() }
func file_transport_internet_domainsocket_config_proto_init() {
if File_transport_internet_domainsocket_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_transport_internet_domainsocket_config_proto_msgTypes[0].Exporter = func(v any, i int) any {
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_transport_internet_domainsocket_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_transport_internet_domainsocket_config_proto_goTypes,
DependencyIndexes: file_transport_internet_domainsocket_config_proto_depIdxs,
MessageInfos: file_transport_internet_domainsocket_config_proto_msgTypes,
}.Build()
File_transport_internet_domainsocket_config_proto = out.File
file_transport_internet_domainsocket_config_proto_rawDesc = nil
file_transport_internet_domainsocket_config_proto_goTypes = nil
file_transport_internet_domainsocket_config_proto_depIdxs = nil
}

20
transport/internet/domainsocket/config.proto
View File

@ -1,20 +0,0 @@
syntax = "proto3";
package xray.transport.internet.domainsocket;
option csharp_namespace = "Xray.Transport.Internet.DomainSocket";
option go_package = "github.com/xtls/xray-core/transport/internet/domainsocket";
option java_package = "com.xray.transport.internet.domainsocket";
option java_multiple_files = true;
message Config {
// Path of the domain socket. This overrides the IP/Port parameter from
// upstream caller.
string path = 1;
// Abstract specifies whether to use abstract namespace or not.
// Traditionally Unix domain socket is file system based. Abstract domain
// socket can be used without acquiring file lock.
bool abstract = 2;
// Some apps, eg. haproxy, use the full length of sockaddr_un.sun_path to
// connect(2) or bind(2) when using abstract UDS.
bool padding = 3;
}

41
transport/internet/domainsocket/dial.go
View File

@ -1,41 +0,0 @@
//go:build !windows && !wasm
// +build !windows,!wasm
package domainsocket
import (
"context"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/reality"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
)
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
settings := streamSettings.ProtocolSettings.(*Config)
addr, err := settings.GetUnixAddr()
if err != nil {
return nil, err
}
conn, err := net.DialUnix("unix", nil, addr)
if err != nil {
return nil, errors.New("failed to dial unix: ", settings.Path).Base(err).AtWarning()
}
if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
return tls.Client(conn, config.GetTLSConfig(tls.WithDestination(dest))), nil
} else if config := reality.ConfigFromStreamSettings(streamSettings); config != nil {
return reality.UClient(conn, config, ctx, dest)
}
return conn, nil
}
func init() {
common.Must(internet.RegisterTransportDialer(protocolName, Dial))
}

3
transport/internet/domainsocket/errgen.go
View File

@ -1,3 +0,0 @@
package domainsocket
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

141
transport/internet/domainsocket/listener.go
View File

@ -1,141 +0,0 @@
//go:build !windows && !wasm
// +build !windows,!wasm
package domainsocket
import (
"context"
gotls "crypto/tls"
"os"
"strings"
goreality "github.com/xtls/reality"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/reality"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
"golang.org/x/sys/unix"
)
type Listener struct {
addr *net.UnixAddr
ln net.Listener
tlsConfig *gotls.Config
realityConfig *goreality.Config
config *Config
addConn internet.ConnHandler
locker *fileLocker
}
func Listen(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, handler internet.ConnHandler) (internet.Listener, error) {
settings := streamSettings.ProtocolSettings.(*Config)
addr, err := settings.GetUnixAddr()
if err != nil {
return nil, err
}
unixListener, err := net.ListenUnix("unix", addr)
if err != nil {
return nil, errors.New("failed to listen domain socket").Base(err).AtWarning()
}
ln := &Listener{
addr: addr,
ln: unixListener,
config: settings,
addConn: handler,
}
if !settings.Abstract {
ln.locker = &fileLocker{
path: settings.Path + ".lock",
}
if err := ln.locker.Acquire(); err != nil {
unixListener.Close()
return nil, err
}
}
if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
ln.tlsConfig = config.GetTLSConfig()
}
if config := reality.ConfigFromStreamSettings(streamSettings); config != nil {
ln.realityConfig = config.GetREALITYConfig()
}
go ln.run()
return ln, nil
}
func (ln *Listener) Addr() net.Addr {
return ln.addr
}
func (ln *Listener) Close() error {
if ln.locker != nil {
ln.locker.Release()
}
return ln.ln.Close()
}
func (ln *Listener) run() {
for {
conn, err := ln.ln.Accept()
if err != nil {
if strings.Contains(err.Error(), "closed") {
break
}
errors.LogWarningInner(context.Background(), err, "failed to accepted raw connections")
continue
}
go func() {
if ln.tlsConfig != nil {
conn = tls.Server(conn, ln.tlsConfig)
} else if ln.realityConfig != nil {
if conn, err = reality.Server(conn, ln.realityConfig); err != nil {
errors.LogInfo(context.Background(), err.Error())
return
}
}
ln.addConn(stat.Connection(conn))
}()
}
}
type fileLocker struct {
path string
file *os.File
}
func (fl *fileLocker) Acquire() error {
f, err := os.Create(fl.path)
if err != nil {
return err
}
if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {
f.Close()
return errors.New("failed to lock file: ", fl.path).Base(err)
}
fl.file = f
return nil
}
func (fl *fileLocker) Release() {
if err := unix.Flock(int(fl.file.Fd()), unix.LOCK_UN); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to unlock file: ", fl.path)
}
if err := fl.file.Close(); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to close file: ", fl.path)
}
if err := os.Remove(fl.path); err != nil {
errors.LogInfoInner(context.Background(), err, "failed to remove file: ", fl.path)
}
}
func init() {
common.Must(internet.RegisterTransportListener(protocolName, Listen))
}

94
transport/internet/domainsocket/listener_test.go
View File

@ -1,94 +0,0 @@
//go:build !windows && !android
// +build !windows,!android
package domainsocket_test
import (
"context"
"runtime"
"testing"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
. "github.com/xtls/xray-core/transport/internet/domainsocket"
"github.com/xtls/xray-core/transport/internet/stat"
)
func TestListen(t *testing.T) {
ctx := context.Background()
streamSettings := &internet.MemoryStreamConfig{
ProtocolName: "domainsocket",
ProtocolSettings: &Config{
Path: "/tmp/ts3",
},
}
listener, err := Listen(ctx, nil, net.Port(0), streamSettings, func(conn stat.Connection) {
defer conn.Close()
b := buf.New()
defer b.Release()
common.Must2(b.ReadFrom(conn))
b.WriteString("Response")
common.Must2(conn.Write(b.Bytes()))
})
common.Must(err)
defer listener.Close()
conn, err := Dial(ctx, net.Destination{}, streamSettings)
common.Must(err)
defer conn.Close()
common.Must2(conn.Write([]byte("Request")))
b := buf.New()
defer b.Release()
common.Must2(b.ReadFrom(conn))
if b.String() != "RequestResponse" {
t.Error("expected response as 'RequestResponse' but got ", b.String())
}
}
func TestListenAbstract(t *testing.T) {
if runtime.GOOS != "linux" {
return
}
ctx := context.Background()
streamSettings := &internet.MemoryStreamConfig{
ProtocolName: "domainsocket",
ProtocolSettings: &Config{
Path: "/tmp/ts3",
Abstract: true,
},
}
listener, err := Listen(ctx, nil, net.Port(0), streamSettings, func(conn stat.Connection) {
defer conn.Close()
b := buf.New()
defer b.Release()
common.Must2(b.ReadFrom(conn))
b.WriteString("Response")
common.Must2(conn.Write(b.Bytes()))
})
common.Must(err)
defer listener.Close()
conn, err := Dial(ctx, net.Destination{}, streamSettings)
common.Must(err)
defer conn.Close()
common.Must2(conn.Write([]byte("Request")))
b := buf.New()
defer b.Release()
common.Must2(b.ReadFrom(conn))
if b.String() != "RequestResponse" {
t.Error("expected response as 'RequestResponse' but got ", b.String())
}
}