mirror of
https://github.com/cmz0228/hysteria-dev.git
synced 2025-06-08 21:39:53 +00:00
396 lines
12 KiB
Go
396 lines
12 KiB
Go
package main
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import (
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"crypto/tls"
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"crypto/x509"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/lucas-clemente/quic-go"
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"github.com/lucas-clemente/quic-go/congestion"
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"github.com/sirupsen/logrus"
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"github.com/tobyxdd/hysteria/pkg/acl"
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hyCongestion "github.com/tobyxdd/hysteria/pkg/congestion"
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"github.com/tobyxdd/hysteria/pkg/core"
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hyHTTP "github.com/tobyxdd/hysteria/pkg/http"
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"github.com/tobyxdd/hysteria/pkg/obfs"
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"github.com/tobyxdd/hysteria/pkg/relay"
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"github.com/tobyxdd/hysteria/pkg/socks5"
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"github.com/tobyxdd/hysteria/pkg/tproxy"
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"github.com/tobyxdd/hysteria/pkg/transport"
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"github.com/tobyxdd/hysteria/pkg/tun"
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)
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func client(config *clientConfig) {
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logrus.WithField("config", config.String()).Info("Client configuration loaded")
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// Resolver
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if len(config.Resolver) > 0 {
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setResolver(config.Resolver)
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}
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// TLS
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tlsConfig := &tls.Config{
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ServerName: config.ServerName,
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InsecureSkipVerify: config.Insecure,
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MinVersion: tls.VersionTLS13,
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}
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if config.ALPN != "" {
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tlsConfig.NextProtos = []string{config.ALPN}
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} else {
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tlsConfig.NextProtos = []string{DefaultALPN}
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}
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// Load CA
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if len(config.CustomCA) > 0 {
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bs, err := ioutil.ReadFile(config.CustomCA)
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if err != nil {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"file": config.CustomCA,
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}).Fatal("Failed to load CA")
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}
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cp := x509.NewCertPool()
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if !cp.AppendCertsFromPEM(bs) {
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logrus.WithFields(logrus.Fields{
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"file": config.CustomCA,
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}).Fatal("Failed to parse CA")
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}
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tlsConfig.RootCAs = cp
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}
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// QUIC config
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quicConfig := &quic.Config{
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InitialStreamReceiveWindow: config.ReceiveWindowConn,
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MaxStreamReceiveWindow: config.ReceiveWindowConn,
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InitialConnectionReceiveWindow: config.ReceiveWindow,
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MaxConnectionReceiveWindow: config.ReceiveWindow,
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KeepAlive: true,
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DisablePathMTUDiscovery: config.DisableMTUDiscovery,
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EnableDatagrams: true,
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}
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if config.ReceiveWindowConn == 0 {
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quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow
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quicConfig.MaxStreamReceiveWindow = DefaultStreamReceiveWindow
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}
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if config.ReceiveWindow == 0 {
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quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow
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quicConfig.MaxConnectionReceiveWindow = DefaultConnectionReceiveWindow
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}
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// Auth
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var auth []byte
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if len(config.Auth) > 0 {
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auth = config.Auth
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} else {
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auth = []byte(config.AuthString)
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}
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// Obfuscator
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var obfuscator obfs.Obfuscator
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if len(config.Obfs) > 0 {
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obfuscator = obfs.NewXPlusObfuscator([]byte(config.Obfs))
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}
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// ACL
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var aclEngine *acl.Engine
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if len(config.ACL) > 0 {
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var err error
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aclEngine, err = acl.LoadFromFile(config.ACL, transport.DefaultTransport)
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if err != nil {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"file": config.ACL,
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}).Fatal("Failed to parse ACL")
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}
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}
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// Client
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client, err := core.NewClient(config.Server, config.Protocol, auth, tlsConfig, quicConfig,
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transport.DefaultTransport, uint64(config.UpMbps)*mbpsToBps, uint64(config.DownMbps)*mbpsToBps,
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func(refBPS uint64) congestion.CongestionControl {
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return hyCongestion.NewBrutalSender(congestion.ByteCount(refBPS))
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}, obfuscator)
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize client")
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}
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defer client.Close()
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logrus.WithField("addr", config.Server).Info("Connected")
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// Local
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errChan := make(chan error)
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if len(config.SOCKS5.Listen) > 0 {
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go func() {
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var authFunc func(user, password string) bool
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if config.SOCKS5.User != "" && config.SOCKS5.Password != "" {
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authFunc = func(user, password string) bool {
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return config.SOCKS5.User == user && config.SOCKS5.Password == password
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}
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}
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socks5server, err := socks5.NewServer(client, transport.DefaultTransport, config.SOCKS5.Listen, authFunc,
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time.Duration(config.SOCKS5.Timeout)*time.Second, aclEngine, config.SOCKS5.DisableUDP,
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func(addr net.Addr, reqAddr string, action acl.Action, arg string) {
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logrus.WithFields(logrus.Fields{
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"action": actionToString(action, arg),
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"src": addr.String(),
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"dst": reqAddr,
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}).Debug("SOCKS5 TCP request")
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},
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func(addr net.Addr, reqAddr string, err error) {
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if err != io.EOF {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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"dst": reqAddr,
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}).Info("SOCKS5 TCP error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr,
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}).Debug("SOCKS5 TCP EOF")
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}
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},
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func(addr net.Addr) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("SOCKS5 UDP associate")
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},
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func(addr net.Addr, err error) {
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if err != io.EOF {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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}).Info("SOCKS5 UDP error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("SOCKS5 UDP EOF")
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}
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})
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize SOCKS5 server")
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}
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logrus.WithField("addr", config.SOCKS5.Listen).Info("SOCKS5 server up and running")
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errChan <- socks5server.ListenAndServe()
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}()
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}
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if len(config.HTTP.Listen) > 0 {
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go func() {
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var authFunc func(user, password string) bool
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if config.HTTP.User != "" && config.HTTP.Password != "" {
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authFunc = func(user, password string) bool {
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return config.HTTP.User == user && config.HTTP.Password == password
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}
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}
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proxy, err := hyHTTP.NewProxyHTTPServer(client, transport.DefaultTransport,
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time.Duration(config.HTTP.Timeout)*time.Second, aclEngine,
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func(reqAddr string, action acl.Action, arg string) {
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logrus.WithFields(logrus.Fields{
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"action": actionToString(action, arg),
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"dst": reqAddr,
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}).Debug("HTTP request")
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},
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authFunc)
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize HTTP server")
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}
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if config.HTTP.Cert != "" && config.HTTP.Key != "" {
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logrus.WithField("addr", config.HTTP.Listen).Info("HTTPS server up and running")
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errChan <- http.ListenAndServeTLS(config.HTTP.Listen, config.HTTP.Cert, config.HTTP.Key, proxy)
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} else {
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logrus.WithField("addr", config.HTTP.Listen).Info("HTTP server up and running")
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errChan <- http.ListenAndServe(config.HTTP.Listen, proxy)
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}
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}()
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}
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if len(config.TUN.Name) != 0 {
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go func() {
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timeout := time.Duration(config.TUN.Timeout) * time.Second
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if timeout == 0 {
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timeout = 300 * time.Second
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}
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tunServer, err := tun.NewServer(client, transport.DefaultTransport,
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time.Duration(config.TUN.Timeout)*time.Second,
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config.TUN.Name, config.TUN.Address, config.TUN.Gateway, config.TUN.Mask, config.TUN.DNS, config.TUN.Persist)
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize TUN server")
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}
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tunServer.RequestFunc = func(addr net.Addr, reqAddr string) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr,
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}).Debugf("TUN %s request", strings.ToUpper(addr.Network()))
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}
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tunServer.ErrorFunc = func(addr net.Addr, reqAddr string, err error) {
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if err != nil {
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if err == io.EOF {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr,
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}).Debugf("TUN %s EOF", strings.ToUpper(addr.Network()))
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} else if err == core.ErrClosed && strings.HasPrefix(addr.Network(), "udp") {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr,
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}).Debugf("TUN %s closed for timeout", strings.ToUpper(addr.Network()))
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} else if err.Error() == "deadline exceeded" && strings.HasPrefix(addr.Network(), "tcp") {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr,
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}).Debugf("TUN %s closed for timeout", strings.ToUpper(addr.Network()))
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} else {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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"dst": reqAddr,
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}).Infof("TUN %s error", strings.ToUpper(addr.Network()))
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}
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}
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}
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errChan <- tunServer.ListenAndServe()
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}()
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}
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if len(config.TCPRelay.Listen) > 0 {
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config.TCPRelays = append(config.TCPRelays, Relay{
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Listen: config.TCPRelay.Listen,
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Remote: config.TCPRelay.Remote,
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Timeout: config.TCPRelay.Timeout,
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})
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}
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if len(config.TCPRelays) > 0 {
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for _, tcpr := range config.TCPRelays {
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go func(tcpr Relay) {
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rl, err := relay.NewTCPRelay(client, transport.DefaultTransport,
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tcpr.Listen, tcpr.Remote,
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time.Duration(tcpr.Timeout)*time.Second,
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func(addr net.Addr) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("TCP relay request")
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},
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func(addr net.Addr, err error) {
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if err != io.EOF {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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}).Info("TCP relay error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("TCP relay EOF")
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}
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})
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize TCP relay")
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}
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logrus.WithField("addr", tcpr.Listen).Info("TCP relay up and running")
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errChan <- rl.ListenAndServe()
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}(tcpr)
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}
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}
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if len(config.UDPRelay.Listen) > 0 {
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config.UDPRelays = append(config.UDPRelays, Relay{
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Listen: config.UDPRelay.Listen,
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Remote: config.UDPRelay.Remote,
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Timeout: config.UDPRelay.Timeout,
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})
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}
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if len(config.UDPRelays) > 0 {
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for _, udpr := range config.UDPRelays {
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go func(udpr Relay) {
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rl, err := relay.NewUDPRelay(client, transport.DefaultTransport,
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udpr.Listen, udpr.Remote,
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time.Duration(udpr.Timeout)*time.Second,
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func(addr net.Addr) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("UDP relay request")
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},
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func(addr net.Addr, err error) {
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if err != relay.ErrTimeout {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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}).Info("UDP relay error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("UDP relay session closed")
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}
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})
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize UDP relay")
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}
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logrus.WithField("addr", udpr.Listen).Info("UDP relay up and running")
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errChan <- rl.ListenAndServe()
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}(udpr)
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}
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}
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if len(config.TCPTProxy.Listen) > 0 {
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go func() {
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rl, err := tproxy.NewTCPTProxy(client, transport.DefaultTransport,
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config.TCPTProxy.Listen, time.Duration(config.TCPTProxy.Timeout)*time.Second,
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func(addr, reqAddr net.Addr) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr.String(),
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}).Debug("TCP TProxy request")
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},
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func(addr, reqAddr net.Addr, err error) {
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if err != io.EOF {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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"dst": reqAddr.String(),
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}).Info("TCP TProxy error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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"dst": reqAddr.String(),
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}).Debug("TCP TProxy EOF")
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}
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})
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize TCP TProxy")
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}
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logrus.WithField("addr", config.TCPTProxy.Listen).Info("TCP TProxy up and running")
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errChan <- rl.ListenAndServe()
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}()
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}
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if len(config.UDPTProxy.Listen) > 0 {
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go func() {
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rl, err := tproxy.NewUDPTProxy(client, transport.DefaultTransport,
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config.UDPTProxy.Listen, time.Duration(config.UDPTProxy.Timeout)*time.Second,
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func(addr net.Addr) {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("UDP TProxy request")
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},
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func(addr net.Addr, err error) {
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if err != tproxy.ErrTimeout {
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logrus.WithFields(logrus.Fields{
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"error": err,
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"src": addr.String(),
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}).Info("UDP TProxy error")
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} else {
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logrus.WithFields(logrus.Fields{
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"src": addr.String(),
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}).Debug("UDP TProxy session closed")
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}
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})
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if err != nil {
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logrus.WithField("error", err).Fatal("Failed to initialize UDP TProxy")
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}
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logrus.WithField("addr", config.UDPTProxy.Listen).Info("UDP TProxy up and running")
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errChan <- rl.ListenAndServe()
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}()
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}
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err = <-errChan
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logrus.WithField("error", err).Fatal("Client shutdown")
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}
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