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Cache tproxy UDP write-back connection when netns is configured

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世界 2026-08-21 20:03:40 +08:00
parent e6b7c6ca75
commit aea28ca6dc
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GPG key ID: CD109927C34A63C4
1 changed files with 7 additions and 9 deletions
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16
protocol/redirect/tproxy.go
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@ -146,15 +146,13 @@ type tproxyPacketWriter struct {
func (w *tproxyPacketWriter) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
defer buffer.Release()
if w.listener.ListenOptions().NetNs == "" {
conn := w.conn
if w.destination == destination && conn != nil {
_, err := conn.WriteToUDPAddrPort(buffer.Bytes(), w.source)
if err != nil {
w.conn = nil
}
return err
conn := w.conn
if w.destination == destination && conn != nil {
_, err := conn.WriteToUDPAddrPort(buffer.Bytes(), w.source)
if err != nil {
w.conn = nil
}
return err
}
var listenConfig net.ListenConfig
listenConfig.Control = control.Append(listenConfig.Control, control.ReuseAddr())
@ -164,7 +162,7 @@ func (w *tproxyPacketWriter) WritePacket(buffer *buf.Buffer, destination M.Socks
return err
}
udpConn := packetConn.(*net.UDPConn)
if w.listener.ListenOptions().NetNs == "" && w.destination == destination {
if w.destination == destination {
w.conn = udpConn
} else {
defer udpConn.Close()