chore: drop support of eBPF

listener/autoredir/tcp.go

@@ -1,95 +0,0 @@
-package autoredir
-
-import (
-	"net"
-	"net/netip"
-
-	"github.com/metacubex/mihomo/adapter/inbound"
-	N "github.com/metacubex/mihomo/common/net"
-	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/log"
-	"github.com/metacubex/mihomo/transport/socks5"
-)
-
-type Listener struct {
-	listener   net.Listener
-	addr       string
-	closed     bool
-	additions  []inbound.Addition
-	lookupFunc func(netip.AddrPort) (socks5.Addr, error)
-}
-
-// RawAddress implements C.Listener
-func (l *Listener) RawAddress() string {
-	return l.addr
-}
-
-// Address implements C.Listener
-func (l *Listener) Address() string {
-	return l.listener.Addr().String()
-}
-
-// Close implements C.Listener
-func (l *Listener) Close() error {
-	l.closed = true
-	return l.listener.Close()
-}
-
-func (l *Listener) TCPAddr() netip.AddrPort {
-	return l.listener.Addr().(*net.TCPAddr).AddrPort()
-}
-
-func (l *Listener) SetLookupFunc(lookupFunc func(netip.AddrPort) (socks5.Addr, error)) {
-	l.lookupFunc = lookupFunc
-}
-
-func (l *Listener) handleRedir(conn net.Conn, tunnel C.Tunnel) {
-	if l.lookupFunc == nil {
-		log.Errorln("[Auto Redirect] lookup function is nil")
-		return
-	}
-
-	target, err := l.lookupFunc(conn.RemoteAddr().(*net.TCPAddr).AddrPort())
-	if err != nil {
-		log.Warnln("[Auto Redirect] %v", err)
-		_ = conn.Close()
-		return
-	}
-
-	N.TCPKeepAlive(conn)
-
-	tunnel.HandleTCPConn(inbound.NewSocket(target, conn, C.REDIR, l.additions...))
-}
-
-func New(addr string, tunnel C.Tunnel, additions ...inbound.Addition) (*Listener, error) {
-	if len(additions) == 0 {
-		additions = []inbound.Addition{
-			inbound.WithInName("DEFAULT-REDIR"),
-			inbound.WithSpecialRules(""),
-		}
-	}
-	l, err := net.Listen("tcp", addr)
-	if err != nil {
-		return nil, err
-	}
-	rl := &Listener{
-		listener:  l,
-		addr:      addr,
-		additions: additions,
-	}
-
-	go func() {
-		for {
-			c, err := l.Accept()
-			if err != nil {
-				if rl.closed {
-					break
-				}
-				continue
-			}
-			go rl.handleRedir(c, tunnel)
-		}
-	}()
-
-	return rl, nil
-}

listener/listener.go

@@ -9,9 +9,7 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/metacubex/mihomo/component/ebpf"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/listener/autoredir"
 	LC "github.com/metacubex/mihomo/listener/config"
 	"github.com/metacubex/mihomo/listener/http"
 	"github.com/metacubex/mihomo/listener/mixed"
@@ -49,9 +47,6 @@ var (
 	shadowSocksListener C.MultiAddrListener
 	vmessListener       *sing_vmess.Listener
 	tuicListener        *tuic.Listener
-	autoRedirListener   *autoredir.Listener
-	autoRedirProgram    *ebpf.TcEBpfProgram
-	tcProgram           *ebpf.TcEBpfProgram
 
 	// lock for recreate function
 	socksMux     sync.Mutex
@@ -540,95 +535,6 @@ func ReCreateTun(tunConf LC.Tun, tunnel C.Tunnel) {
 	log.Infoln("[TUN] Tun adapter listening at: %s", tunLister.Address())
 }
 
-func ReCreateRedirToTun(ifaceNames []string) {
-	tcMux.Lock()
-	defer tcMux.Unlock()
-
-	nicArr := ifaceNames
-	slices.Sort(nicArr)
-	nicArr = slices.Compact(nicArr)
-
-	if tcProgram != nil {
-		tcProgram.Close()
-		tcProgram = nil
-	}
-
-	if len(nicArr) == 0 {
-		return
-	}
-
-	tunConf := GetTunConf()
-
-	if !tunConf.Enable {
-		return
-	}
-
-	program, err := ebpf.NewTcEBpfProgram(nicArr, tunConf.Device)
-	if err != nil {
-		log.Errorln("Attached tc ebpf program error: %v", err)
-		return
-	}
-	tcProgram = program
-
-	log.Infoln("Attached tc ebpf program to interfaces %v", tcProgram.RawNICs())
-}
-
-func ReCreateAutoRedir(ifaceNames []string, tunnel C.Tunnel) {
-	autoRedirMux.Lock()
-	defer autoRedirMux.Unlock()
-
-	var err error
-	defer func() {
-		if err != nil {
-			if autoRedirListener != nil {
-				_ = autoRedirListener.Close()
-				autoRedirListener = nil
-			}
-			if autoRedirProgram != nil {
-				autoRedirProgram.Close()
-				autoRedirProgram = nil
-			}
-			log.Errorln("Start auto redirect server error: %s", err.Error())
-		}
-	}()
-
-	nicArr := ifaceNames
-	slices.Sort(nicArr)
-	nicArr = slices.Compact(nicArr)
-
-	if autoRedirListener != nil && autoRedirProgram != nil {
-		_ = autoRedirListener.Close()
-		autoRedirProgram.Close()
-		autoRedirListener = nil
-		autoRedirProgram = nil
-	}
-
-	if len(nicArr) == 0 {
-		return
-	}
-
-	defaultRouteInterfaceName, err := ebpf.GetAutoDetectInterface()
-	if err != nil {
-		return
-	}
-
-	addr := genAddr("*", C.TcpAutoRedirPort, true)
-
-	autoRedirListener, err = autoredir.New(addr, tunnel)
-	if err != nil {
-		return
-	}
-
-	autoRedirProgram, err = ebpf.NewRedirEBpfProgram(nicArr, autoRedirListener.TCPAddr().Port(), defaultRouteInterfaceName)
-	if err != nil {
-		return
-	}
-
-	autoRedirListener.SetLookupFunc(autoRedirProgram.Lookup)
-
-	log.Infoln("Auto redirect proxy listening at: %s, attached tc ebpf program to interfaces %v", autoRedirListener.Address(), autoRedirProgram.RawNICs())
-}
-
 func PatchTunnel(tunnels []LC.Tunnel, tunnel C.Tunnel) {
 	tunnelMux.Lock()
 	defer tunnelMux.Unlock()