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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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25
proxy/shadowsocks/server.go
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@ -77,6 +77,15 @@ func (s *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
}
payload := packet.Payload
if payload.UDP != nil {
request = &protocol.RequestHeader{
User: request.User,
Address: net.IPAddress(payload.UDP.IP),
Port: net.Port(payload.UDP.Port),
}
}
data, err := EncodeUDPPacket(request, payload.Bytes())
payload.Release()
if err != nil {
@ -94,6 +103,8 @@ func (s *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
}
inbound.User = s.user
var dest net.Destination
reader := buf.NewPacketReader(conn)
for {
mpayload, err := reader.ReadMultiBuffer()
@ -118,17 +129,25 @@ func (s *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
}
currentPacketCtx := ctx
dest := request.Destination()
if inbound.Source.IsValid() {
currentPacketCtx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
From: inbound.Source,
To: dest,
To: request.Destination(),
Status: log.AccessAccepted,
Reason: "",
Email: request.User.Email,
})
}
newError("tunnelling request to ", dest).WriteToLog(session.ExportIDToError(currentPacketCtx))
newError("tunnelling request to ", request.Destination()).WriteToLog(session.ExportIDToError(currentPacketCtx))
data.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, dest, data)