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@ -503,10 +503,43 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
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remote = frpIo.WithCompression(remote)
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}
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// check if we need to send proxy protocol info
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var extraInfo []byte
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if baseInfo.ProxyProtocolVersion != "" {
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if m.SrcAddr != "" && m.SrcPort != 0 {
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if m.DstAddr == "" {
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m.DstAddr = "127.0.0.1"
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}
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h := &pp.Header{
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Command: pp.PROXY,
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SourceAddress: net.ParseIP(m.SrcAddr),
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SourcePort: m.SrcPort,
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DestinationAddress: net.ParseIP(m.DstAddr),
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DestinationPort: m.DstPort,
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}
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if h.SourceAddress.To16() == nil {
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h.TransportProtocol = pp.TCPv4
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} else {
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h.TransportProtocol = pp.TCPv6
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}
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if baseInfo.ProxyProtocolVersion == "v1" {
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h.Version = 1
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} else if baseInfo.ProxyProtocolVersion == "v2" {
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h.Version = 2
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}
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buf := bytes.NewBuffer(nil)
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h.WriteTo(buf)
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extraInfo = buf.Bytes()
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}
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}
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if proxyPlugin != nil {
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// if plugin is set, let plugin handle connections first
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workConn.Debug("handle by plugin: %s", proxyPlugin.Name())
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proxyPlugin.Handle(remote, workConn)
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proxyPlugin.Handle(remote, workConn, extraInfo)
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workConn.Debug("handle by plugin finished")
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return
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} else {
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@ -520,34 +553,8 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
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workConn.Debug("join connections, localConn(l[%s] r[%s]) workConn(l[%s] r[%s])", localConn.LocalAddr().String(),
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localConn.RemoteAddr().String(), workConn.LocalAddr().String(), workConn.RemoteAddr().String())
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// check if we need to send proxy protocol info
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if baseInfo.ProxyProtocolVersion != "" {
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if m.SrcAddr != "" && m.SrcPort != 0 {
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if m.DstAddr == "" {
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m.DstAddr = "127.0.0.1"
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}
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h := &pp.Header{
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Command: pp.PROXY,
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SourceAddress: net.ParseIP(m.SrcAddr),
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SourcePort: m.SrcPort,
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DestinationAddress: net.ParseIP(m.DstAddr),
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DestinationPort: m.DstPort,
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}
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if h.SourceAddress.To16() == nil {
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h.TransportProtocol = pp.TCPv4
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} else {
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h.TransportProtocol = pp.TCPv6
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}
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if baseInfo.ProxyProtocolVersion == "v1" {
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h.Version = 1
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} else if baseInfo.ProxyProtocolVersion == "v2" {
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h.Version = 2
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}
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h.WriteTo(localConn)
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}
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if len(extraInfo) > 0 {
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localConn.Write(extraInfo)
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}
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frpIo.Join(localConn, remote)
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