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tun2socks.go
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tun2socks.go
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package tun2socks
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net"
"os"
"runtime"
"runtime/debug"
"strings"
"syscall"
"time"
vproxyman "github.com/xtls/xray-core/app/proxyman"
vbytespool "github.com/xtls/xray-core/common/bytespool"
verrors "github.com/xtls/xray-core/common/errors"
vnet "github.com/xtls/xray-core/common/net"
v2filesystem "github.com/xtls/xray-core/common/platform/filesystem"
vcore "github.com/xtls/xray-core/core"
v2stats "github.com/xtls/xray-core/features/stats"
"github.com/xtls/xray-core/infra/conf"
// "github.com/xtls/xray-core/infra/conf/cfgcommon"
v2serial "github.com/xtls/xray-core/infra/conf/serial"
vinternet "github.com/xtls/xray-core/transport/internet"
mobasset "golang.org/x/mobile/asset"
xbytespool "github.com/xtls/xray-core/common/bytespool"
xsession "github.com/xtls/xray-core/common/session"
xcore "github.com/xtls/xray-core/core"
x2stats "github.com/xtls/xray-core/features/stats"
xinternet "github.com/xtls/xray-core/transport/internet"
"github.com/eycorsican/go-tun2socks/core"
"github.com/xxf098/go-tun2socks-build/features"
"github.com/xxf098/go-tun2socks-build/lite"
"github.com/xxf098/go-tun2socks-build/ping"
"github.com/xxf098/go-tun2socks-build/pool"
"github.com/xxf098/go-tun2socks-build/runner"
"github.com/xxf098/go-tun2socks-build/v2ray"
"github.com/xxf098/go-tun2socks-build/xray"
"github.com/sagernet/sing/common/control"
ldns "github.com/xxf098/lite-proxy/dns"
"github.com/xxf098/lite-proxy/download"
loutbound "github.com/xxf098/lite-proxy/outbound"
"github.com/xxf098/lite-proxy/request"
lDialer "github.com/xxf098/lite-proxy/transport/dialer"
"github.com/xxf098/lite-proxy/web"
)
var localDNS = "223.5.5.5:53"
var err error
var lwipStack core.LWIPStack
var x *xcore.Instance
var v *vcore.Instance
var l loutbound.Dialer
var mtuUsed int
var lwipTUNDataPipeTask *runner.Task
var updateStatusPipeTask *runner.Task
var tunDev *pool.Interface
var lwipWriter io.Writer
var statsManager v2stats.Manager
var xStatsManager x2stats.Manager
var isStopped = false
const (
v2Asset = "v2ray.location.asset"
)
type errPathObjHolder struct{}
// const (
// VMESS string = "vmess"
// VLESS string = "vless"
// TROJAN string = "trojan"
// SHADOWSOCKS string = "shadowsocks"
// )
func newError(values ...interface{}) *verrors.Error {
return verrors.New(values...).WithPathObj(errPathObjHolder{})
}
type VmessOptions features.VmessOptions
type Trojan features.Trojan
type Vmess features.Vmess
type Vless features.Vless
type Shadowsocks features.Shadowsocks
func NewTrojan(Add string, Port int, Password string, SNI string, SkipCertVerify bool, Net string, Path string, Host string, opt []byte) *Trojan {
t := Trojan(*features.NewTrojan(Add, Port, Password, SNI, SkipCertVerify, Net, Path, Host, opt))
return &t
}
func (t *Trojan) toVmess() *Vmess {
trojan := features.Trojan(*t)
return &Vmess{
Protocol: v2ray.TROJAN,
Trojan: &trojan,
VmessOptions: t.VmessOptions,
}
}
func NewVless(Add string, Port int, ID string, TLS string, HeaderType string, Encryption string, Net string, Flow string, Security string, Path string, Host string, SNI string, opt []byte) *Vless {
l := Vless(*features.NewVless(Add, Port, ID, TLS, HeaderType, Encryption, Net, Flow, Security, Path, Host, SNI, opt))
return &l
}
func (l *Vless) toVmess() *Vmess {
return &Vmess{
Add: l.Add,
Port: l.Port,
ID: l.ID,
TLS: l.TLS,
Net: l.Net,
Type: l.Type,
Encryption: l.Encryption,
Security: l.Security,
Flow: l.Flow,
Path: l.Path,
Host: l.Host,
SNI: l.SNI,
Protocol: v2ray.VLESS,
VmessOptions: l.VmessOptions,
}
}
func NewLiteShadowSocks(Add string, Port int, ID string, Security string, opt []byte) *Vmess {
options := features.NewVmessOptions(opt)
return &Vmess{
Add: Add,
Port: Port,
ID: ID,
Security: Security,
Protocol: v2ray.SHADOWSOCKS,
VmessOptions: options,
Trojan: nil,
}
}
func NewShadowSocks(Add string, Port int, Password string, Method string, opt []byte) *Shadowsocks {
ss := Shadowsocks(*features.NewShadowsocks(Add, Port, Password, Method, opt))
return &ss
}
func (ss *Shadowsocks) toVmess() *Vmess {
shadowsocks := features.Shadowsocks(*ss)
return &Vmess{
Protocol: v2ray.SHADOWSOCKS,
Shadowsocks: &shadowsocks,
VmessOptions: ss.VmessOptions,
}
}
// TODO: default value
func NewVmess(Host string, Path string, TLS string, Add string, Port int, Aid int, Net string, ID string, Type string, Security string, opt []byte) *Vmess {
v := Vmess(*features.NewVmess(Host, Path, TLS, Add, Port, Aid, Net, ID, Type, Security, opt))
return &v
}
func (profile *Vmess) getProxyOutboundDetourConfig() conf.OutboundDetourConfig {
proxyOutboundConfig := conf.OutboundDetourConfig{}
if profile.Protocol == v2ray.VMESS {
proxyOutboundConfig = createVmessOutboundDetourConfig(profile)
}
if profile.Protocol == v2ray.TROJAN {
proxyOutboundConfig = createTrojanOutboundDetourConfig(profile)
}
if profile.Protocol == v2ray.SHADOWSOCKS {
proxyOutboundConfig = createShadowsocksOutboundDetourConfig(profile)
}
if profile.Protocol == v2ray.VLESS {
proxyOutboundConfig = createVlessOutboundDetourConfig(profile)
}
return proxyOutboundConfig
}
// TODO: try with native struct config conf.vmess
func generateVmessConfig(profile *Vmess) ([]byte, error) {
vmessConfig := v2ray.VmessConfig{
Stats: v2ray.Stats{},
Log: v2ray.Log{Loglevel: "warning"},
Inbounds: nil,
}
vmessConfig.DNS = v2ray.DNS{
Servers: []string{"8.8.8.8"},
Hosts: v2ray.Hosts{"domain:googleapis.cn": "googleapis.com"},
}
vmessConfig.Routing = v2ray.Routing{
DomainStrategy: "IPIfNonMatch",
Rules: []v2ray.Rules{
v2ray.Rules{
Type: "field",
OutboundTag: "direct",
IP: []string{"geoip:private", "geoip:cn"},
},
v2ray.Rules{
Type: "field",
OutboundTag: "direct",
Domain: []string{"geosite:cn"},
},
},
}
outbound := v2ray.Outbounds{
Tag: "proxy",
Protocol: "vmess",
Mux: &v2ray.Mux{Enabled: false, Concurrency: -1},
Settings: v2ray.OutboundsSettings{
Vnext: []v2ray.Vnext{
v2ray.Vnext{
Address: profile.Add,
Port: profile.Port,
Users: []v2ray.Users{
v2ray.Users{
AlterID: profile.Aid,
Email: "[email protected]",
ID: profile.ID,
Security: profile.Security,
Level: 8,
},
},
},
},
},
StreamSettings: &v2ray.StreamSettings{Network: "tcp", Security: ""},
}
if profile.Net == "ws" {
outbound.StreamSettings = &v2ray.StreamSettings{
Network: profile.Net,
Wssettings: &v2ray.Wssettings{
ConnectionReuse: true, Path: profile.Path,
},
}
if profile.Host != "" {
outbound.StreamSettings.Wssettings.Headers = v2ray.Headers{
Host: profile.Host,
}
}
}
if profile.TLS == "tls" {
outbound.StreamSettings.Security = profile.TLS
outbound.StreamSettings.TLSSettings = &v2ray.TLSSettings{AllowInsecure: true}
}
// vmess must be the first
vmessConfig.Outbounds = []v2ray.Outbounds{
outbound,
v2ray.Outbounds{
Protocol: "freedom",
Tag: "direct",
Settings: v2ray.OutboundsSettings{
DomainStrategy: "UseIP",
},
},
}
vmessConfig.Policy = v2ray.Policy{
Levels: map[string]v2ray.Level{
"8": v2ray.Level{
ConnIdle: 300,
DownlinkOnly: 1,
Handshake: 4,
UplinkOnly: 1,
},
},
System: v2ray.System{
StatsOutboundUplink: true,
StatsOutboundDownlink: true,
},
}
// errStr, _ := json.Marshal(vmessConfig)
return json.MarshalIndent(vmessConfig, "", " ")
}
func loadVmessConfig(profile *Vmess) (*conf.Config, error) {
jsonConfig := &conf.Config{}
jsonConfig.LogConfig = &conf.LogConfig{
// AccessLog: "",
// ErrorLog: "",
LogLevel: profile.Loglevel,
}
// https://github.com/Loyalsoldier/v2ray-rules-dat
jsonConfig.DNSConfig = createDNSConfig(profile.RouteMode, profile.DNS)
// update rules
jsonConfig.RouterConfig = createRouterConfig(profile.RouteMode)
// policy
// connectionIdle := uint32(300)
// downlinkOnly := uint32(1)
// handshake := uint32(4)
// uplinkOnly := uint32(1)
// jsonConfig.Policy = &conf.PolicyConfig{
// Levels: map[uint32]*conf.Policy{
// 8: &conf.Policy{
// ConnectionIdle: &connectionIdle,
// DownlinkOnly: &downlinkOnly,
// Handshake: &handshake,
// UplinkOnly: &uplinkOnly,
// },
// },
// System: &conf.SystemPolicy{
// StatsInboundDownlink: true,
// StatsInboundUplink: true,
// },
// }
// inboundsSettings, _ := json.Marshal(v2ray.InboundsSettings{
// Auth: "noauth",
// IP: "127.0.0.1",
// UDP: true,
// })
// inboundsSettingsMsg := json.RawMessage(inboundsSettings)
// jsonConfig.InboundConfigs = []conf.InboundDetourConfig{
// conf.InboundDetourConfig{
// Tag: "socks-in",
// Protocol: "socks",
// PortRange: &conf.PortRange{From: 8088, To: 8088},
// ListenOn: &conf.Address{vnet.IPAddress([]byte{127, 0, 0, 1})},
// Settings: &inboundsSettingsMsg,
// },
// conf.InboundDetourConfig{
// Tag: "http-in",
// Protocol: "http",
// PortRange: &conf.PortRange{From: 8090, To: 8090},
// ListenOn: &conf.Address{vnet.IPAddress([]byte{127, 0, 0, 1})},
// },
// }
proxyOutboundConfig := profile.getProxyOutboundDetourConfig()
// if profile.Protocol == VMESS {
// proxyOutboundConfig = createVmessOutboundDetourConfig(profile)
// }
// if profile.Protocol == TROJAN {
// proxyOutboundConfig = createTrojanOutboundDetourConfig(profile)
// }
freedomOutboundDetourConfig := createFreedomOutboundDetourConfig(profile.UseIPv6)
// order matters
// GFWList mode, use 'direct' as default
if profile.RouteMode == 4 {
jsonConfig.OutboundConfigs = []conf.OutboundDetourConfig{
freedomOutboundDetourConfig,
proxyOutboundConfig,
}
} else {
jsonConfig.OutboundConfigs = []conf.OutboundDetourConfig{
proxyOutboundConfig,
freedomOutboundDetourConfig,
}
}
// policy
jsonConfig.Policy = creatPolicyConfig()
// stats
jsonConfig.Stats = &conf.StatsConfig{}
return jsonConfig, nil
}
// func logConfig(logLevel string) *vlog.Config {
// config := &vlog.Config{
// ErrorLogLevel: clog.Severity_Warning,
// ErrorLogType: vlog.LogType_Console,
// AccessLogType: vlog.LogType_Console,
// }
// level := strings.ToLower(logLevel)
// switch level {
// case "debug":
// config.ErrorLogLevel = clog.Severity_Debug
// case "info":
// config.ErrorLogLevel = clog.Severity_Info
// case "error":
// config.ErrorLogLevel = clog.Severity_Error
// case "none":
// config.ErrorLogType = vlog.LogType_None
// config.AccessLogType = vlog.LogType_None
// }
// return config
// }
// func vmessToCoreConfig(profile *Vmess, inboundDetourConfig *conf.InboundDetourConfig) (*vcore.Config, error) {
// // vmess outbound
// vmessUser, _ := json.Marshal(conf.VMessAccount{
// ID: profile.ID,
// AlterIds: uint16(profile.Aid),
// Security: "auto",
// })
// vmessOutboundConfig := conf.VMessOutboundConfig{
// Receivers: []*conf.VMessOutboundTarget{
// &conf.VMessOutboundTarget{
// Address: &conf.Address{Address: vnet.NewIPOrDomain(vnet.ParseAddress(profile.Add)).AsAddress()},
// Port: uint16(profile.Port),
// Users: []json.RawMessage{json.RawMessage(vmessUser)},
// },
// },
// }
// oc, err := vmessOutboundConfig.Build()
// if err != nil {
// return nil, err
// }
// outboundProxy := vcomserial.ToTypedMessage(oc)
// // freedom proxy
// freedomOutboundsSettings, _ := json.Marshal(v2ray.OutboundsSettings{DomainStrategy: "UseIP"})
// freedomOutboundsSettingsMsg := json.RawMessage(freedomOutboundsSettings)
// freedomProxy := conf.OutboundDetourConfig{
// Protocol: "freedom",
// Tag: "direct",
// Settings: &freedomOutboundsSettingsMsg,
// }
// freedomConf, err := freedomProxy.Build()
// if err != nil {
// return nil, err
// }
// var transportSettings proto.Message
// var connectionReuse bool
// mode := profile.Net
// switch profile.Net {
// case "ws":
// transportSettings = &websocket.Config{
// Path: profile.Path,
// Header: []*websocket.Header{
// {Key: "Host", Value: profile.Host},
// },
// }
// connectionReuse = true
// mode = "websocket"
// case "quic":
// transportSettings = &quic.Config{
// Security: &protocol.SecurityConfig{Type: protocol.SecurityType_NONE},
// }
// profile.TLS = "tls"
// case "":
// default:
// return nil, newError("unsupported mode:", profile.Net)
// }
// streamConfig := vinternet.StreamConfig{
// ProtocolName: mode,
// TransportSettings: []*vinternet.TransportConfig{{
// ProtocolName: mode,
// Settings: vcomserial.ToTypedMessage(transportSettings),
// }},
// }
// // TODO: support cert
// if profile.TLS == "tls" {
// tlsConfig := tls.Config{ServerName: profile.Host}
// streamConfig.SecurityType = vcomserial.GetMessageType(&tlsConfig)
// streamConfig.SecuritySettings = []*vcomserial.TypedMessage{vcomserial.ToTypedMessage(&tlsConfig)}
// }
// //router config
// routerConfig, err := createRouterConfig().Build()
// if err != nil {
// return nil, err
// }
// // dns config
// dnsConfig, err := createDNSConfig().Build()
// if err != nil {
// return nil, err
// }
// apps := []*vcomserial.TypedMessage{
// vcomserial.ToTypedMessage(&dispatcher.Config{}),
// vcomserial.ToTypedMessage(&vproxyman.InboundConfig{}),
// vcomserial.ToTypedMessage(&vproxyman.OutboundConfig{}),
// vcomserial.ToTypedMessage(logConfig(profile.Loglevel)),
// vcomserial.ToTypedMessage(routerConfig),
// vcomserial.ToTypedMessage(dnsConfig),
// }
// senderConfig := vproxyman.SenderConfig{StreamSettings: &streamConfig}
// if connectionReuse {
// senderConfig.MultiplexSettings = &vproxyman.MultiplexingConfig{Enabled: true, Concurrency: 16}
// }
// vcoreconfig := vcore.Config{
// Outbound: []*vcore.OutboundHandlerConfig{
// {
// SenderSettings: vcomserial.ToTypedMessage(&senderConfig),
// ProxySettings: outboundProxy,
// Tag: "proxy",
// },
// freedomConf,
// },
// App: apps,
// }
// if inboundDetourConfig != nil {
// inboundConfig, err := inboundDetourConfig.Build()
// if err != nil {
// return nil, err
// }
// vcoreconfig.Inbound = []*vcore.InboundHandlerConfig{
// inboundConfig,
// }
// }
// return &vcoreconfig, nil
// }
func loadVmessTestConfig(profile *Vmess, port uint32) (*conf.Config, error) {
jsonConfig := &conf.Config{}
jsonConfig.LogConfig = &conf.LogConfig{
LogLevel: profile.Loglevel,
}
jsonConfig.DNSConfig = &conf.DNSConfig{
Servers: []*conf.NameServerConfig{
&conf.NameServerConfig{
Address: &conf.Address{vnet.IPAddress([]byte{223, 5, 5, 5})},
Port: 53,
},
},
}
if port > 0 && port < 65535 {
jsonConfig.InboundConfigs = []conf.InboundDetourConfig{
createInboundDetourConfig(port),
}
}
jsonConfig.OutboundConfigs = []conf.OutboundDetourConfig{
profile.getProxyOutboundDetourConfig(),
}
jsonConfig.Stats = &conf.StatsConfig{}
return jsonConfig, nil
}
func startInstance(profile *Vmess, config *conf.Config) (*vcore.Instance, error) {
if config == nil {
defaultConfig, err := loadVmessConfig(profile)
if err != nil {
return nil, err
}
config = defaultConfig
}
coreConfig, err := config.Build()
if err != nil {
return nil, err
}
instance, err := vcore.New(coreConfig)
if err != nil {
return nil, err
}
if err := instance.Start(); err != nil {
return nil, err
}
statsManager = instance.GetFeature(v2stats.ManagerType()).(v2stats.Manager)
return instance, nil
}
func startXRayInstance(profile *Vmess) (*xcore.Instance, error) {
// fProfile := features.Vmess(*profile)
jsonConfig, err := loadVmessConfig(profile)
if err != nil {
return nil, err
}
// config.DNSConfig = nil
// b, err := json.Marshal(config)
// if err != nil {
// return nil, err
// }
// jsonConfig, err := xserial.DecodeJSONConfig(bytes.NewReader(b))
jsonConfig.DNSConfig = xray.CreateDNSConfig(profile.VmessOptions)
pbConfig, err := jsonConfig.Build()
if err != nil {
return nil, err
}
instance, err := xcore.New(pbConfig)
if err != nil {
return nil, err
}
err = instance.Start()
if err != nil {
return nil, err
}
xStatsManager = instance.GetFeature(x2stats.ManagerType()).(x2stats.Manager)
return instance, nil
}
func startLiteInstance(profile *Vmess) (loutbound.Dialer, error) {
switch profile.Protocol {
case v2ray.VMESS:
return vmess2Lite(profile)
case v2ray.TROJAN:
return trojan2Lite(profile)
case v2ray.SHADOWSOCKS:
return ss2Lite(profile)
default:
return nil, newError("not supported protocol")
}
}
// VpnService should be implemented in Java/Kotlin.
type VpnService interface {
// Protect is just a proxy to the VpnService.protect() method.
// See also: https://developer.android.com/reference/android/net/VpnService.html#protect(int)
Protect(fd int) bool
}
// PacketFlow should be implemented in Java/Kotlin.
type PacketFlow interface {
// WritePacket should writes packets to the TUN fd.
WritePacket(packet []byte)
}
// Write IP packets to the lwIP stack. Call this function in the main loop of
// the VpnService in Java/Kotlin, which should reads packets from the TUN fd.
func InputPacket(data []byte) {
if lwipStack != nil {
lwipStack.Write(data)
}
}
type QuerySpeed interface {
UpdateTraffic(up int64, down int64)
PersistTraffic(up int64, down int64) // update and save traffic
}
type TestLatency interface {
UpdateLatency(id int, elapsed int64)
}
type TestLatencyStop interface {
UpdateLatency(id int, elapsed int64) bool
}
type TestDownload interface {
UpdateSpeed(id int, speed int64, elapse int64)
UpdateTraffic(id int, traffic int64)
}
// SetNonblock puts the fd in blocking or non-blocking mode.
func SetNonblock(fd int, nonblocking bool) bool {
err := syscall.SetNonblock(fd, nonblocking)
return err == nil
}
// SetLocalDNS sets the DNS server that used by Go's default resolver, it accepts
// string in the form "host:port", e.g. 223.5.5.5:53
func SetLocalDNS(dns string) {
localDNS = dns
}
// StartV2Ray sets up lwIP stack, starts a V2Ray instance and registers the instance as the
// connection handler for tun2socks.
func StartV2Ray(
packetFlow PacketFlow,
vpnService VpnService,
logService LogService,
querySpeed QuerySpeed,
configBytes []byte,
assetPath string) error {
if packetFlow != nil {
if lwipStack == nil {
// Setup the lwIP stack.
lwipStack = core.NewLWIPStack()
}
// Assets
os.Setenv(v2Asset, assetPath)
// log
registerLogService(logService)
// Protect file descriptors of net connections in the VPN process to prevent infinite loop.
protectFd := func(s VpnService, fd int) error {
if s.Protect(fd) {
return nil
} else {
return fmt.Errorf("failed to protect fd %v", fd)
}
}
// netCtlr := func(network, address string, fd uintptr) error {
// return protectFd(vpnService, int(fd))
// }
netCtlr := func(network, address string, conn syscall.RawConn) error {
return control.Raw(conn, func(fd uintptr) error {
return protectFd(vpnService, int(fd))
})
}
vinternet.RegisterDialerController(netCtlr)
vinternet.RegisterListenerController(netCtlr)
// Share the buffer pool.
core.SetBufferPool(vbytespool.GetPool(core.BufSize))
// Start the V2Ray instance.
v, err = vcore.StartInstance("json", configBytes)
if err != nil {
log.Fatalf("start V instance failed: %v", err)
return err
}
// Configure sniffing settings for traffic coming from tun2socks.
sniffingConfig := &vproxyman.SniffingConfig{
Enabled: true,
DestinationOverride: strings.Split("tls,http", ","),
}
ctx := contextWithSniffingConfig(context.Background(), sniffingConfig)
// Register tun2socks connection handlers.
// vhandler := v2ray.NewHandler(ctx, v)
// core.RegisterTCPConnectionHandler(vhandler)
// core.RegisterUDPConnectionHandler(vhandler)
core.RegisterTCPConnHandler(v2ray.NewTCPHandler(ctx, v))
core.RegisterUDPConnHandler(v2ray.NewUDPHandler(ctx, v, 3*time.Minute))
// Write IP packets back to TUN.
core.RegisterOutputFn(func(data []byte) (int, error) {
if !isStopped {
packetFlow.WritePacket(data)
}
return len(data), nil
})
statsManager = v.GetFeature(v2stats.ManagerType()).(v2stats.Manager)
runner.CheckAndStop(updateStatusPipeTask)
updateStatusPipeTask = createUpdateStatusPipeTask(querySpeed)
isStopped = false
logService.WriteLog(fmt.Sprintf("V2Ray %s started!", CheckVersion()))
return nil
}
return errors.New("packetFlow is null")
}
func StartXRay(
packetFlow PacketFlow,
vpnService VpnService,
logService LogService,
querySpeed QuerySpeed,
configBytes []byte,
assetPath string) error {
if packetFlow != nil {
if lwipStack == nil {
// Setup the lwIP stack.
lwipStack = core.NewLWIPStack()
}
// Assets
os.Setenv("xray.location.asset", assetPath)
// log
registerLogService(logService)
// Protect file descriptors of net connections in the VPN process to prevent infinite loop.
protectFd := func(s VpnService, fd int) error {
if s.Protect(fd) {
return nil
} else {
return fmt.Errorf("failed to protect fd %v", fd)
}
}
// netCtlr := func(network, address string, fd uintptr) error {
// return protectFd(vpnService, int(fd))
// }
netCtlr := func(network, address string, conn syscall.RawConn) error {
return control.Raw(conn, func(fd uintptr) error {
return protectFd(vpnService, int(fd))
})
}
xinternet.RegisterDialerController(netCtlr)
xinternet.RegisterListenerController(netCtlr)
// Share the buffer pool.
core.SetBufferPool(xbytespool.GetPool(core.BufSize))
// Start the V2Ray instance.
x, err = xray.StartInstance(configBytes)
if err != nil {
log.Fatalf("start V instance failed: %v", err)
return err
}
// Configure sniffing settings for traffic coming from tun2socks.
ctx := context.Background()
content := xsession.ContentFromContext(ctx)
if content == nil {
content = new(xsession.Content)
ctx = xsession.ContextWithContent(ctx, content)
}
core.RegisterTCPConnHandler(xray.NewTCPHandler(ctx, x))
core.RegisterUDPConnHandler(xray.NewUDPHandler(ctx, x, 3*time.Minute))
// Write IP packets back to TUN.
core.RegisterOutputFn(func(data []byte) (int, error) {
if !isStopped {
packetFlow.WritePacket(data)
}
return len(data), nil
})
xStatsManager = x.GetFeature(x2stats.ManagerType()).(x2stats.Manager)
runner.CheckAndStop(updateStatusPipeTask)
updateStatusPipeTask = createUpdateStatusPipeTask(querySpeed)
isStopped = false
logService.WriteLog(fmt.Sprintf("XRay %s started!", CheckXVersion()))
return nil
}
return errors.New("packetFlow is null")
}
func GenerateVmessString(profile *Vmess) (string, error) {
configBytes, err := generateVmessConfig(profile)
if err != nil {
log.Fatalf("start V instance failed: %v", err)
return "", err
}
return string(configBytes), nil
}
// StartV2Ray sets up lwIP stack, starts a V2Ray instance and registers the instance as the
// connection handler for tun2socks.
func StartV2RayWithVmess(
packetFlow PacketFlow,
vpnService VpnService,
logService LogService,
profile *Vmess,
assetPath string) error {
if packetFlow != nil {
if lwipStack == nil {
// Setup the lwIP stack.
lwipStack = core.NewLWIPStack()
}
// Assets
os.Setenv(v2Asset, assetPath)
// logger
registerLogService(logService)
// Protect file descriptors of net connections in the VPN process to prevent infinite loop.
protectFd := func(s VpnService, fd int) error {
if s.Protect(fd) {
return nil
} else {
return fmt.Errorf("failed to protect fd %v", fd)
}
}
// netCtlr := func(network, address string, fd uintptr) error {
// return protectFd(vpnService, int(fd))
// }
netCtlr := func(network, address string, conn syscall.RawConn) error {
return control.Raw(conn, func(fd uintptr) error {
return protectFd(vpnService, int(fd))
})
}
vinternet.RegisterDialerController(netCtlr)
vinternet.RegisterListenerController(netCtlr)
// Share the buffer pool.
core.SetBufferPool(vbytespool.GetPool(core.BufSize))
// Start the V2Ray instance.
// configBytes, err := generateVmessConfig(profile)
// if err != nil {
// return err
// }
// v, err = vcore.StartInstance("json", configBytes)
v, err = startInstance(profile, nil)
if err != nil {
log.Fatalf("start V instance failed: %v", err)
return err
}
ctx := context.WithValue(context.Background(), "routeMode", profile.RouteMode)
ctx = context.WithValue(ctx, "disableDNSCache", profile.DisableDNSCache)
// Configure sniffing settings for traffic coming from tun2socks.
if profile.EnableSniffing || profile.RouteMode == 4 {
sniffingConfig := &vproxyman.SniffingConfig{
Enabled: true,
DestinationOverride: strings.Split("tls,http", ","),
}
ctx = contextWithSniffingConfig(ctx, sniffingConfig)
}
// Register tun2socks connection handlers.
core.RegisterTCPConnHandler(v2ray.NewTCPHandler(ctx, v))
core.RegisterUDPConnHandler(v2ray.NewUDPHandler(ctx, v, 3*time.Minute))
// Write IP packets back to TUN.
core.RegisterOutputFn(func(data []byte) (int, error) {
if !isStopped {
packetFlow.WritePacket(data)
}
return len(data), nil
})
isStopped = false
logService.WriteLog("V2Ray Started!")
return nil
}
return errors.New("packetFlow is null")
}
func StartV2RayWithTunFd(
tunFd int,
vpnService VpnService,
logService LogService,
querySpeed QuerySpeed,
profile *Vmess,
assetPath string) error {
tunDev, err = pool.OpenTunDevice(tunFd)
if err != nil {
log.Fatalf("failed to open tun device: %v", err)
}
if lwipStack != nil {
lwipStack.Close()
}
lwipStack = core.NewLWIPStack()
lwipWriter = lwipStack.(io.Writer)
// init v2ray
os.Setenv(v2Asset, assetPath)
registerLogService(logService)
// Protect file descriptors of net connections in the VPN process to prevent infinite loop.
protectFd := func(s VpnService, fd int) error {
if s.Protect(fd) {
return nil
} else {
return fmt.Errorf("failed to protect fd %v", fd)
}
}
// netCtlr := func(network, address string, fd uintptr) error {
// return protectFd(vpnService, int(fd))
// }
netCtlr := func(network, address string, conn syscall.RawConn) error {
return control.Raw(conn, func(fd uintptr) error {
return protectFd(vpnService, int(fd))
})
}
vinternet.RegisterDialerController(netCtlr)
vinternet.RegisterListenerController(netCtlr)
core.SetBufferPool(vbytespool.GetPool(core.BufSize))
v, err = startInstance(profile, nil)
if err != nil {
log.Fatalf("start V instance failed: %v", err)
return err
}
ctx := context.WithValue(context.Background(), "routeMode", profile.RouteMode)
ctx = context.WithValue(ctx, "disableDNSCache", profile.DisableDNSCache)
// Configure sniffing settings for traffic coming from tun2socks.
if profile.EnableSniffing || profile.RouteMode == 4 {
sniffingConfig := &vproxyman.SniffingConfig{
Enabled: true,
DestinationOverride: strings.Split("tls,http", ","),
}
ctx = contextWithSniffingConfig(ctx, sniffingConfig)
}
// Register tun2socks connection handlers.
core.RegisterTCPConnHandler(v2ray.NewTCPHandler(ctx, v))
core.RegisterUDPConnHandler(v2ray.NewUDPHandler(ctx, v, 3*time.Minute))
// Write IP packets back to TUN.
// output := make(chan []byte, 2400)
core.RegisterOutputFn(func(data []byte) (int, error) {
// buf := vbytespool.Alloc(int32(len(data)))
// l := copy(buf, data)
// output <- data
return tunDev.Write(data)
})
// go func(ctx context.Context) {
// for {
// select {
// case <-ctx.Done():
// return
// case buf := <-output:
// tunDev.Write(buf)
// // vbytespool.Free(buf)
// }
// }
// }(ctx)
// core.RegisterOutputCh(tunDev.WriteCh)
isStopped = false
runner.CheckAndStop(lwipTUNDataPipeTask)
runner.CheckAndStop(updateStatusPipeTask)
lwipTUNDataPipeTask = runner.Go(func(shouldStop runner.S) error {
zeroErr := errors.New("nil")
// handlePacket(ctx, tunDev, lwipWriter, shouldStop)
tunDev.Copy(lwipWriter)
return zeroErr // any errors?
})
updateStatusPipeTask = createUpdateStatusPipeTask(querySpeed)
logService.WriteLog("V2Ray Started!")
return nil
}
func StartXRayWithTunFd(
tunFd int,
vpnService VpnService,
logService LogService,
querySpeed QuerySpeed,
profile *Vmess,
assetPath string) error {
tunDev, err = pool.OpenTunDevice(tunFd)
if err != nil {
log.Fatalf("failed to open tun device: %v", err)
}
if lwipStack != nil {
lwipStack.Close()
}
lwipStack = core.NewLWIPStack()
lwipWriter = lwipStack.(io.Writer)
// init v2ray
os.Setenv(v2Asset, assetPath)
registerLogService(logService)
// Protect file descriptors of net connections in the VPN process to prevent infinite loop.
protectFd := func(s VpnService, fd int) error {
if s.Protect(fd) {