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Refactor: Shadowsocks & Trojan UDP FullCone NAT

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https://t.me/projectXray/95704
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RPRX 2020-12-23 13:06:21 +00:00 • committed by GitHub
parent 4140ed7ab0
commit 8f8f7dd66f
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 234 additions and 44 deletions
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22
proxy/socks/server.go
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@ -196,6 +196,15 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn internet.Connection,
if request == nil {
return
}
if payload.UDP != nil {
request = &protocol.RequestHeader{
User: request.User,
Address: net.IPAddress(payload.UDP.IP),
Port: net.Port(payload.UDP.Port),
}
}
udpMessage, err := EncodeUDPPacket(request, payload.Bytes())
payload.Release()
@ -211,6 +220,8 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn internet.Connection,
newError("client UDP connection from ", inbound.Source).WriteToLog(session.ExportIDToError(ctx))
}
var dest net.Destination
reader := buf.NewPacketReader(conn)
for {
mpayload, err := reader.ReadMultiBuffer()
@ -242,8 +253,17 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn internet.Connection,
})
}
payload.UDP = &net.UDPAddr{
IP: request.Address.IP(),
Port: int(request.Port),
}
if dest.Network == 0 {
dest = request.Destination() // JUST FOLLOW THE FIREST PACKET
}
currentPacketCtx = protocol.ContextWithRequestHeader(currentPacketCtx, request)
udpServer.Dispatch(currentPacketCtx, request.Destination(), payload)
udpServer.Dispatch(currentPacketCtx, dest, payload)
}
}
}