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Fix loop back detector

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dyhkwong 2024-02-01 10:41:38 +08:00 committed by GitHub
parent e478d3c2dc
commit dc7b7afc06
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GPG key ID: B5690EEEBB952194
2 changed files with 7 additions and 6 deletions
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2
outbound/direct.go
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@ -148,7 +148,7 @@ func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net
if err != nil {
return nil, err
}
conn = h.loopBack.NewPacketConn(conn)
conn = h.loopBack.NewPacketConn(bufio.NewPacketConn(conn))
if originDestination != destination {
conn = bufio.NewNATPacketConn(bufio.NewPacketConn(conn), destination, originDestination)
}

11
outbound/direct_loopback_detect.go
View file

@ -6,6 +6,7 @@ import (
"sync"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type loopBackDetector struct {
@ -40,7 +41,7 @@ func (l *loopBackDetector) NewConn(conn net.Conn) net.Conn {
}
}
func (l *loopBackDetector) NewPacketConn(conn net.PacketConn) net.PacketConn {
func (l *loopBackDetector) NewPacketConn(conn N.NetPacketConn) N.NetPacketConn {
connAddr := M.AddrPortFromNet(conn.LocalAddr())
if !connAddr.IsValid() {
return conn
@ -48,7 +49,7 @@ func (l *loopBackDetector) NewPacketConn(conn net.PacketConn) net.PacketConn {
l.packetConnAccess.Lock()
l.packetConnMap[connAddr] = true
l.packetConnAccess.Unlock()
return &loopBackDetectPacketWrapper{PacketConn: conn, detector: l, connAddr: connAddr}
return &loopBackDetectPacketWrapper{NetPacketConn: conn, detector: l, connAddr: connAddr}
}
func (l *loopBackDetector) CheckConn(connAddr netip.AddrPort) bool {
@ -92,7 +93,7 @@ func (w *loopBackDetectWrapper) Upstream() any {
}
type loopBackDetectPacketWrapper struct {
net.PacketConn
N.NetPacketConn
detector *loopBackDetector
connAddr netip.AddrPort
closeOnce sync.Once
@ -104,7 +105,7 @@ func (w *loopBackDetectPacketWrapper) Close() error {
delete(w.detector.packetConnMap, w.connAddr)
w.detector.packetConnAccess.Unlock()
})
return w.PacketConn.Close()
return w.NetPacketConn.Close()
}
func (w *loopBackDetectPacketWrapper) ReaderReplaceable() bool {
@ -116,7 +117,7 @@ func (w *loopBackDetectPacketWrapper) WriterReplaceable() bool {
}
func (w *loopBackDetectPacketWrapper) Upstream() any {
return w.PacketConn
return w.NetPacketConn
}
type abstractUDPConn interface {