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chore: tuic-server support disassociate command

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This commit is contained in:
gVisor bot 2022-11-28 18:18:51 +08:00
parent dbe9c4ba47
commit 81e03ec904
4 changed files with 53 additions and 17 deletions
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8
listener/tuic/server.go
View File

@ -60,13 +60,13 @@ func New(config config.TuicServer, tcpIn chan<- C.ConnContext, udpIn chan<- *inb
}
option := &tuic.ServerOption{
HandleTcpFn: func(conn net.Conn, addr string) error {
tcpIn <- inbound.NewSocket(socks5.ParseAddr(addr), conn, C.TUIC)
HandleTcpFn: func(conn net.Conn, addr socks5.Addr) error {
tcpIn <- inbound.NewSocket(addr, conn, C.TUIC)
return nil
},
HandleUdpFn: func(addr *net.UDPAddr, packet C.UDPPacket) error {
HandleUdpFn: func(addr socks5.Addr, packet C.UDPPacket) error {
select {
case udpIn <- inbound.NewPacket(socks5.ParseAddrToSocksAddr(addr), packet, C.TUIC):
case udpIn <- inbound.NewPacket(addr, packet, C.TUIC):
default:
}
return nil

22
transport/tuic/conn.go
View File

@ -5,6 +5,7 @@ import (
"net"
"net/netip"
"sync"
"sync/atomic"
"time"
"github.com/metacubex/quic-go"
@ -115,6 +116,7 @@ type quicStreamPacketConn struct {
deferQuicConnFn func(quicConn quic.Connection, err error)
closeDeferFn func()
writeClosed *atomic.Bool
closeOnce sync.Once
closeErr error
@ -133,11 +135,11 @@ func (q *quicStreamPacketConn) close() (err error) {
if q.closeDeferFn != nil {
defer q.closeDeferFn()
}
defer func() {
if q.deferQuicConnFn != nil {
if q.deferQuicConnFn != nil {
defer func() {
q.deferQuicConnFn(q.quicConn, err)
}
}()
}()
}
if q.inputConn != nil {
_ = q.inputConn.Close()
q.inputConn = nil
@ -204,11 +206,15 @@ func (q *quicStreamPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err erro
if q.closed {
return 0, net.ErrClosed
}
defer func() {
if q.deferQuicConnFn != nil {
if q.writeClosed != nil && q.writeClosed.Load() {
_ = q.Close()
return 0, net.ErrClosed
}
if q.deferQuicConnFn != nil {
defer func() {
q.deferQuicConnFn(q.quicConn, err)
}
}()
}()
}
addr.String()
buf := pool.GetBuffer()
defer pool.PutBuffer(buf)

15
transport/tuic/protocol.go
View File

@ -554,6 +554,21 @@ func (c Address) String() string {
}
}
func (c Address) SocksAddr() socks5.Addr {
addr := make([]byte, 1+len(c.ADDR)+2)
switch c.TYPE {
case AtypIPv4:
addr[0] = socks5.AtypIPv4
case AtypIPv6:
addr[0] = socks5.AtypIPv6
case AtypDomainName:
addr[0] = socks5.AtypDomainName
}
copy(addr[1:], c.ADDR)
binary.BigEndian.PutUint16(addr[len(addr)-2:], c.PORT)
return addr
}
func (c Address) UDPAddr() *net.UDPAddr {
return &net.UDPAddr{
IP: c.ADDR,

25
transport/tuic/server.go
View File

@ -8,6 +8,7 @@ import (
"fmt"
"net"
"sync"
"sync/atomic"
"time"
"github.com/gofrs/uuid"
@ -16,11 +17,12 @@ import (
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/pool"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/socks5"
)
type ServerOption struct {
HandleTcpFn func(conn net.Conn, addr string) error
HandleUdpFn func(addr *net.UDPAddr, packet C.UDPPacket) error
HandleTcpFn func(conn net.Conn, addr socks5.Addr) error
HandleUdpFn func(addr socks5.Addr, packet C.UDPPacket) error
TlsConfig *tls.Config
QuicConfig *quic.Config
@ -78,6 +80,8 @@ type serverHandler struct {
authCh chan struct{}
authOk bool
authOnce sync.Once
udpInputMap sync.Map
}
func (s *serverHandler) handle() {
@ -125,6 +129,13 @@ func (s *serverHandler) parsePacket(packet Packet, udpRelayMode string) (err err
var assocId uint32
assocId = packet.ASSOC_ID
v, _ := s.udpInputMap.LoadOrStore(assocId, &atomic.Bool{})
writeClosed := v.(*atomic.Bool)
if writeClosed.Load() {
return nil
}
pc := &quicStreamPacketConn{
connId: assocId,
quicConn: s.quicConn,
@ -135,9 +146,10 @@ func (s *serverHandler) parsePacket(packet Packet, udpRelayMode string) (err err
ref: s,
deferQuicConnFn: nil,
closeDeferFn: nil,
writeClosed: writeClosed,
}
return s.HandleUdpFn(packet.ADDR.UDPAddr(), &serverUDPPacket{
return s.HandleUdpFn(packet.ADDR.SocksAddr(), &serverUDPPacket{
pc: pc,
packet: &packet,
rAddr: s.genServerAssocIdAddr(assocId),
@ -175,7 +187,7 @@ func (s *serverHandler) handleStream() (err error) {
buf := pool.GetBuffer()
defer pool.PutBuffer(buf)
err = s.HandleTcpFn(conn, connect.ADDR.String())
err = s.HandleTcpFn(conn, connect.ADDR.SocksAddr())
if err != nil {
err = NewResponseFailed().WriteTo(buf)
}
@ -245,7 +257,10 @@ func (s *serverHandler) handleUniStream() (err error) {
if err != nil {
return
}
disassociate.BytesLen()
if v, loaded := s.udpInputMap.LoadAndDelete(disassociate.ASSOC_ID); loaded {
writeClosed := v.(*atomic.Bool)
writeClosed.Store(true)
}
}
return
}()