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https://github.com/MetaCubeX/mihomo.git
synced 2024-12-22 15:47:59 +08:00
DRAFT 3
This commit is contained in:
H1JK
parent
abced62f4d
commit
fc58f80cc8
@ -479,7 +479,7 @@ func NewVless(option VlessOption) (*Vless, error) {
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if option.Network != "ws" && len(option.Flow) >= 16 {
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option.Flow = option.Flow[:16]
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switch option.Flow {
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case vless.XRO, vless.XRD, vless.XRS:
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case vless.XRO, vless.XRD, vless.XRS, vless.XRV:
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addons = &vless.Addons{
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Flow: option.Flow,
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}
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@ -7,12 +7,6 @@ import (
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"encoding/binary"
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"errors"
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"fmt"
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tlsC "github.com/Dreamacro/clash/component/tls"
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"github.com/Dreamacro/clash/log"
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utls "github.com/refraction-networking/utls"
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buf2 "github.com/sagernet/sing/common/buf"
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"github.com/sagernet/sing/common/network"
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"github.com/sagernet/sing/common/rw"
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"io"
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"net"
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"reflect"
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@ -23,7 +17,13 @@ import (
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"github.com/Dreamacro/clash/common/buf"
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N "github.com/Dreamacro/clash/common/net"
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tlsC "github.com/Dreamacro/clash/component/tls"
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"github.com/Dreamacro/clash/log"
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"github.com/gofrs/uuid"
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utls "github.com/refraction-networking/utls"
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buf2 "github.com/sagernet/sing/common/buf"
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"github.com/sagernet/sing/common/network"
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"github.com/sagernet/sing/common/rw"
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xtls "github.com/xtls/go"
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"google.golang.org/protobuf/proto"
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)
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@ -54,7 +54,6 @@ type Conn struct {
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readRemainingContent int
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readRemainingPadding int
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readFilter bool
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readDirect bool
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readLastCommand byte
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writeFilterApplicationData bool
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writeDirect bool
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@ -84,35 +83,44 @@ func (vc *Conn) ReadBuffer(buffer *buf.Buffer) error {
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if vc.readRemainingContent < buffer.FreeLen() {
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toRead = toRead[:vc.readRemainingContent]
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}
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n, err := vc.ExtendedReader.Read(buffer.FreeBytes())
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n, err := vc.ExtendedReader.Read(toRead)
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buffer.Truncate(n)
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vc.readRemainingPadding -= n
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vc.readRemainingContent -= n
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vc.FilterTLS(buffer.Bytes())
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return err
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}
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if vc.readRemainingPadding > 0 {
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rw.SkipN(vc.ExtendedReader, vc.readRemainingPadding)
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err := rw.SkipN(vc.ExtendedReader, vc.readRemainingPadding)
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if err != nil {
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return err
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}
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vc.readRemainingPadding = 0
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}
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if vc.readFilter {
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switch vc.readLastCommand {
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case commandPaddingContinue:
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if vc.isTLS || vc.packetsToFilter > 0 {
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header := buffer.FreeBytes()[:paddingHeaderLen]
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_, err := io.ReadFull(vc.ExtendedReader, header)
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if err != nil {
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return err
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}
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if subtle.ConstantTimeCompare(vc.id.Bytes(), header[:uuid.Size]) != 1 {
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return fmt.Errorf("XTLS Vision server responded unknown UUID: %s",
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uuid.FromBytesOrNil(header[:uuid.Size]).String())
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}
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vc.readLastCommand = header[uuid.Size]
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vc.readRemainingContent = int(binary.BigEndian.Uint16(header[uuid.Size+1:]))
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vc.readRemainingPadding = int(binary.BigEndian.Uint16(header[uuid.Size+3:]))
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return vc.ReadBuffer(buffer)
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//if vc.isTLS || vc.packetsToFilter > 0 {
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header := buffer.FreeBytes()[:paddingHeaderLen]
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_, err := io.ReadFull(vc.ExtendedReader, header)
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if err != nil {
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return err
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}
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if subtle.ConstantTimeCompare(vc.id.Bytes(), header[:uuid.Size]) != 1 {
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return fmt.Errorf("XTLS Vision server responded unknown UUID: %s",
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uuid.FromBytesOrNil(header[:uuid.Size]).String())
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}
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vc.readLastCommand = header[uuid.Size]
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vc.readRemainingContent = int(binary.BigEndian.Uint16(header[uuid.Size+1:]))
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vc.readRemainingPadding = int(binary.BigEndian.Uint16(header[uuid.Size+3:]))
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log.Debugln("XTLS Vision read padding: command=%d, payloadLen=%d, paddingLen=%d",
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vc.readLastCommand, vc.readRemainingContent, vc.readRemainingPadding)
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return vc.ReadBuffer(buffer)
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//}
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case commandPaddingEnd:
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vc.readFilter = false
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return vc.ReadBuffer(buffer)
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case commandPaddingDirect:
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log.Debugln("command read direct")
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if vc.input != nil {
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_, err := buffer.ReadFrom(vc.input)
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if err != nil {
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@ -121,6 +129,9 @@ func (vc *Conn) ReadBuffer(buffer *buf.Buffer) error {
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if vc.input.Len() == 0 {
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vc.input = nil
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}
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if buffer.IsFull() {
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return nil
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}
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}
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if vc.rawInput != nil {
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_, err := buffer.ReadFrom(vc.rawInput)
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@ -134,7 +145,10 @@ func (vc *Conn) ReadBuffer(buffer *buf.Buffer) error {
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if vc.input == nil && vc.rawInput == nil {
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vc.readFilter = false
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vc.ExtendedReader = N.NewExtendedReader(vc.Conn)
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log.Debugln("XTLS Vision Direct read start")
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}
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default:
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log.Debugln("XTLS Vision read unknown command: %d", vc.readLastCommand)
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}
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}
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return vc.ExtendedReader.ReadBuffer(buffer)
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@ -190,44 +204,51 @@ func (vc *Conn) WriteBuffer(buffer *buf.Buffer) error {
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if vc.writeFilterApplicationData && vc.isTLS {
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buffer2 := ReshapeBuffer(buffer)
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defer buffer2.Release()
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if buffer.Len() > 6 && bytes.Equal(buffer.To(3), tlsApplicationDataStart) {
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command := commandPaddingEnd
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vc.FilterTLS(buffer.Bytes())
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command := commandPaddingContinue
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if buffer.Len() > 6 && bytes.Equal(buffer.To(3), tlsApplicationDataStart) || vc.packetsToFilter <= 0 {
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command = commandPaddingEnd
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if vc.enableXTLS {
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command = commandPaddingDirect
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vc.writeDirect = true
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}
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vc.writeFilterApplicationData = false
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ApplyPadding(buffer, command, vc.id)
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}
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ApplyPadding(buffer, command, vc.id)
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err := vc.ExtendedWriter.WriteBuffer(buffer)
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if err != nil {
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return err
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}
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if vc.writeDirect {
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vc.ExtendedWriter = N.NewExtendedWriter(vc.Conn)
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time.Sleep(5 * time.Millisecond)
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time.Sleep(20 * time.Millisecond)
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}
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if buffer2 != nil {
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if vc.writeDirect {
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return vc.ExtendedWriter.WriteBuffer(buffer2)
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}
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if buffer2.Len() > 6 && bytes.Equal(buffer2.To(3), tlsApplicationDataStart) {
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command := commandPaddingEnd
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vc.FilterTLS(buffer2.Bytes())
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command = commandPaddingContinue
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if buffer2.Len() > 6 && bytes.Equal(buffer2.To(3), tlsApplicationDataStart) || vc.packetsToFilter <= 0 {
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command = commandPaddingEnd
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if vc.enableXTLS {
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command = commandPaddingDirect
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vc.writeDirect = true
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}
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vc.writeFilterApplicationData = false
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ApplyPadding(buffer2, command, vc.id)
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}
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ApplyPadding(buffer2, command, vc.id)
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err = vc.ExtendedWriter.WriteBuffer(buffer2)
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}
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if vc.writeDirect {
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vc.ExtendedWriter = N.NewExtendedWriter(vc.Conn)
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time.Sleep(5 * time.Millisecond)
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if vc.writeDirect {
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vc.ExtendedWriter = N.NewExtendedWriter(vc.Conn)
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time.Sleep(20 * time.Millisecond)
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}
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}
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return err
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}
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if vc.writeDirect {
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log.Debugln("XTLS Vision Direct write, payloadLen=%d", buffer.Len())
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}
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return vc.ExtendedWriter.WriteBuffer(buffer)
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}
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@ -376,7 +397,10 @@ func (vc *Conn) FrontHeadroom() int {
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}
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func (vc *Conn) Upstream() any {
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return vc.Conn
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if vc.tlsConn == nil {
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return vc.Conn
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}
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return vc.tlsConn
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}
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func (vc *Conn) IsXTLSVisionEnabled() bool {
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@ -413,9 +437,10 @@ func newConn(conn net.Conn, client *Client, dst *DstAddr) (*Conn, error) {
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return nil, fmt.Errorf("failed to use %s, maybe \"security\" is not \"xtls\"", client.Addons.Flow)
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}
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case XRV:
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c.packetsToFilter = 2048
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c.packetsToFilter = 10
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c.readFilter = true
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c.writeFilterApplicationData = true
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c.addons = client.Addons
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var t reflect.Type
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var p uintptr
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switch underlying := conn.(type) {
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@ -7,12 +7,13 @@ import (
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"github.com/Dreamacro/clash/common/buf"
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"github.com/Dreamacro/clash/log"
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"github.com/gofrs/uuid"
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buf2 "github.com/sagernet/sing/common/buf"
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)
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const (
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paddingHeaderLen = 16 + 1 + 2 + 2 // =21
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paddingHeaderLen = uuid.Size + 1 + 2 + 2 // =21
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commandPaddingContinue byte = 0x00
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commandPaddingEnd byte = 0x01
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@ -34,6 +35,7 @@ func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid
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binary.BigEndian.PutUint16(buffer.Extend(2), uint16(paddingLen))
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buffer.Write(p)
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buffer.Extend(int(paddingLen))
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log.Debugln("XTLS Vision write padding1: command=%v, payloadLen=%v, paddingLen=%v", command, contentLen, paddingLen)
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}
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func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID) {
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@ -50,6 +52,7 @@ func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID) {
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copy(buffer.ExtendHeader(uuid.Size), userUUID.Bytes())
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}
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buffer.Extend(int(paddingLen))
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log.Debugln("XTLS Vision write padding2: command=%d, payloadLen=%d, paddingLen=%d", command, contentLen, paddingLen)
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}
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func ReshapeBuffer(buffer *buf.Buffer) *buf.Buffer {
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