mirror of
https://github.com/MetaCubeX/ClashMetaForAndroid.git
synced 2024-11-16 02:32:17 +08:00
using sing-tun instead of tun2socket
This commit is contained in:
wwqgtxx
parent
4df39342a2
commit
158e47b372
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@ -3,10 +3,8 @@ module cfa
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go 1.20
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require (
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github.com/Kr328/tun2socket v0.0.0-20220414050025-d07c78d06d34
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github.com/dlclark/regexp2 v1.11.4
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github.com/metacubex/mihomo v1.7.0
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github.com/miekg/dns v1.1.62
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github.com/oschwald/maxminddb-golang v1.12.0
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golang.org/x/sync v0.8.0
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gopkg.in/yaml.v3 v3.0.1
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@ -68,6 +66,7 @@ require (
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github.com/metacubex/sing-wireguard v0.0.0-20240826061955-1e4e67afe5cd // indirect
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github.com/metacubex/tfo-go v0.0.0-20240830120620-c5e019b67785 // indirect
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github.com/metacubex/utls v1.6.6 // indirect
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github.com/miekg/dns v1.1.62 // indirect
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github.com/mroth/weightedrand/v2 v2.1.0 // indirect
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github.com/oasisprotocol/deoxysii v0.0.0-20220228165953-2091330c22b7 // indirect
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github.com/onsi/ginkgo/v2 v2.9.5 // indirect
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@ -1,7 +1,5 @@
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github.com/3andne/restls-client-go v0.1.6 h1:tRx/YilqW7iHpgmEL4E1D8dAsuB0tFF3uvncS+B6I08=
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github.com/3andne/restls-client-go v0.1.6/go.mod h1:iEdTZNt9kzPIxjIGSMScUFSBrUH6bFRNg0BWlP4orEY=
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github.com/Kr328/tun2socket v0.0.0-20220414050025-d07c78d06d34 h1:USCTqih5d1bUXUxWNS9ZD5Tx/lb0jXHEtRIIx/F9dMc=
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github.com/Kr328/tun2socket v0.0.0-20220414050025-d07c78d06d34/go.mod h1:YR9wK13TgI5ww8iKWm91MHiSoHC7Oz0U4beCCmtXqLw=
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github.com/RyuaNerin/elliptic2 v1.0.0/go.mod h1:wWB8fWrJI/6EPJkyV/r1Rj0hxUgrusmqSj8JN6yNf/A=
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github.com/RyuaNerin/go-krypto v1.2.4 h1:mXuNdK6M317aPV0llW6Xpjbo4moOlPF7Yxz4tb4b4Go=
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github.com/RyuaNerin/go-krypto v1.2.4/go.mod h1:QqCYkoutU3yInyD9INt2PGolVRsc3W4oraQadVGXJ/8=
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@ -9,6 +9,7 @@ import (
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"github.com/dlclark/regexp2"
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"cfa/native/common"
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C "github.com/metacubex/mihomo/constant"
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"github.com/metacubex/mihomo/log"
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@ -21,6 +22,7 @@ var processors = []processor{
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patchGeneral,
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patchProfile,
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patchDns,
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patchTun,
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patchProviders,
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validConfig,
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}
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@ -74,6 +76,12 @@ func patchDns(cfg *config.RawConfig, _ string) error {
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return nil
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}
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func patchTun(cfg *config.RawConfig, _ string) error {
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cfg.Tun.Enable = false
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return nil
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}
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func patchProviders(cfg *config.RawConfig, profileDir string) error {
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forEachProviders(cfg, func(index int, total int, key string, provider map[string]any) {
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if path, ok := provider["path"].(string); ok {
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@ -1,33 +0,0 @@
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package tun
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import (
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"net"
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"github.com/metacubex/mihomo/dns"
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D "github.com/miekg/dns"
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)
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func shouldHijackDns(dns net.IP, target net.IP, targetPort int) bool {
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if targetPort != 53 {
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return false
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}
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return net.IPv4zero.Equal(dns) || target.Equal(dns)
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}
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func relayDns(payload []byte) ([]byte, error) {
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msg := &D.Msg{}
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if err := msg.Unpack(payload); err != nil {
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return nil, err
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}
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r, err := dns.ServeDNSWithDefaultServer(msg)
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if err != nil {
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return nil, err
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}
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r.SetRcode(msg, r.Rcode)
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return r.Pack()
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}
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@ -1,21 +0,0 @@
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package tun
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import (
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"net"
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C "github.com/metacubex/mihomo/constant"
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)
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func createMetadata(lAddr, rAddr *net.TCPAddr) *C.Metadata {
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return &C.Metadata{
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NetWork: C.TCP,
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Type: C.SOCKS5,
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SrcIP: lAddr.AddrPort().Addr(),
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DstIP: rAddr.AddrPort().Addr(),
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SrcPort: uint16(lAddr.Port),
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DstPort: uint16(rAddr.Port),
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Host: "",
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RawSrcAddr: lAddr,
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RawDstAddr: rAddr,
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}
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}
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@ -1,161 +1,34 @@
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package tun
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import (
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"encoding/binary"
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"io"
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"net"
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"os"
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"time"
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"net/netip"
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"github.com/Kr328/tun2socket"
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"github.com/metacubex/mihomo/adapter/inbound"
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"github.com/metacubex/mihomo/common/pool"
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C "github.com/metacubex/mihomo/constant"
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LC "github.com/metacubex/mihomo/listener/config"
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"github.com/metacubex/mihomo/listener/sing_tun"
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"github.com/metacubex/mihomo/log"
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"github.com/metacubex/mihomo/transport/socks5"
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"github.com/metacubex/mihomo/tunnel"
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)
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var _, ipv4LoopBack, _ = net.ParseCIDR("127.0.0.0/8")
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func Start(fd int, gateway, portal, dns string) (io.Closer, error) {
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log.Debugln("TUN: fd = %d, gateway = %s, portal = %s, dns = %s", fd, gateway, portal, dns)
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device := os.NewFile(uintptr(fd), "/dev/tun")
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ip, network, err := net.ParseCIDR(gateway)
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if err != nil {
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panic(err.Error())
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} else {
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network.IP = ip
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options := LC.Tun{
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Enable: true,
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Device: sing_tun.InterfaceName,
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Stack: C.TunSystem,
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DNSHijack: []string{dns + ":53"}, // "172.19.0.2" or "0.0.0.0"
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Inet4Address: []netip.Prefix{netip.MustParsePrefix(gateway)}, // "172.19.0.1/30"
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MTU: 9000, // private const val TUN_MTU = 9000 in TunService.kt
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FileDescriptor: fd,
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}
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stack, err := tun2socket.StartTun2Socket(device, network, net.ParseIP(portal))
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listener, err := sing_tun.New(options, tunnel.Tunnel)
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if err != nil {
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_ = device.Close()
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log.Errorln("TUN:", err)
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return nil, err
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}
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dnsAddr := net.ParseIP(dns)
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tcp := func() {
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defer stack.TCP().Close()
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defer log.Debugln("TCP: closed")
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for stack.TCP().SetDeadline(time.Time{}) == nil {
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conn, err := stack.TCP().Accept()
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if err != nil {
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log.Debugln("Accept connection: %v", err)
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continue
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}
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lAddr := conn.LocalAddr().(*net.TCPAddr)
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rAddr := conn.RemoteAddr().(*net.TCPAddr)
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if ipv4LoopBack.Contains(rAddr.IP) {
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conn.Close()
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continue
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}
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if shouldHijackDns(dnsAddr, rAddr.IP, rAddr.Port) {
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go func() {
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defer conn.Close()
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buf := pool.Get(pool.UDPBufferSize)
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defer pool.Put(buf)
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for {
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conn.SetReadDeadline(time.Now().Add(C.DefaultTCPTimeout))
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length := uint16(0)
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if err := binary.Read(conn, binary.BigEndian, &length); err != nil {
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return
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}
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if int(length) > len(buf) {
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return
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}
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n, err := conn.Read(buf[:length])
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if err != nil {
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return
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}
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msg, err := relayDns(buf[:n])
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if err != nil {
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return
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}
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_, _ = conn.Write(msg)
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}
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}()
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continue
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}
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go tunnel.Tunnel.HandleTCPConn(conn, createMetadata(lAddr, rAddr))
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}
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}
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udp := func() {
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defer stack.UDP().Close()
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defer log.Debugln("UDP: closed")
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for {
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buf := pool.Get(pool.UDPBufferSize)
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n, lRAddr, rRAddr, err := stack.UDP().ReadFrom(buf)
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if err != nil {
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return
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}
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raw := buf[:n]
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lAddr := lRAddr.(*net.UDPAddr)
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rAddr := rRAddr.(*net.UDPAddr)
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if ipv4LoopBack.Contains(rAddr.IP) {
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pool.Put(buf)
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continue
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}
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if shouldHijackDns(dnsAddr, rAddr.IP, rAddr.Port) {
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go func() {
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defer pool.Put(buf)
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msg, err := relayDns(raw)
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if err != nil {
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return
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}
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_, _ = stack.UDP().WriteTo(msg, rAddr, lAddr)
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}()
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continue
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}
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pkt := &packet{
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local: lAddr,
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data: raw,
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writeBack: func(b []byte, addr net.Addr) (int, error) {
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return stack.UDP().WriteTo(b, addr, lAddr)
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},
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drop: func() {
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pool.Put(buf)
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},
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}
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tunnel.Tunnel.HandleUDPPacket(inbound.NewPacket(socks5.ParseAddrToSocksAddr(rAddr), pkt, C.SOCKS5))
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}
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}
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go tcp()
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go udp()
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go udp()
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return stack, nil
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return listener, nil
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}
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@ -1,28 +0,0 @@
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package tun
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import (
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"net"
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)
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type packet struct {
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local *net.UDPAddr
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data []byte
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writeBack func(b []byte, addr net.Addr) (int, error)
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drop func()
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}
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func (pkt *packet) Data() []byte {
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return pkt.data
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}
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func (pkt *packet) WriteBack(b []byte, addr net.Addr) (n int, err error) {
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return pkt.writeBack(b, addr)
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}
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func (pkt *packet) Drop() {
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pkt.drop()
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}
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func (pkt *packet) LocalAddr() net.Addr {
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return pkt.local
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}
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