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Use correct address for packets from localRelayConn

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This commit is contained in:
Toby 2021-04-21 17:08:01 -07:00
parent 51abb06911
commit 3b6a2bc56e
1 changed files with 6 additions and 3 deletions
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9
pkg/socks5/server.go
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@ -327,10 +327,13 @@ func (s *Server) udpServer(clientConn *net.UDPConn, localRelayConn *net.UDPConn,
go func() {
buf := make([]byte, udpBufferSize)
for {
n, _, err := localRelayConn.ReadFrom(buf)
n, from, err := localRelayConn.ReadFrom(buf)
if n > 0 {
d := socks5.NewDatagram(socks5.ATYPIPv4,
[]byte{0x00, 0x00, 0x00, 0x00}, []byte{0x00, 0x00}, buf[:n])
atyp, addr, port, err := socks5.ParseAddress(from.String())
if err != nil {
continue
}
d := socks5.NewDatagram(atyp, addr, port, buf[:n])
_, _ = clientConn.WriteToUDP(d.Bytes(), clientAddr)
}
if err != nil {