mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-04 17:27:23 -05:00
25 lines
652 B
Go
25 lines
652 B
Go
// +build freebsd
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// +build !confonly
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package tcp
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import (
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"github.com/v2fly/v2ray-core/v4/common/net"
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"github.com/v2fly/v2ray-core/v4/transport/internet"
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)
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// GetOriginalDestination from tcp conn
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func GetOriginalDestination(conn internet.Connection) (net.Destination, error) {
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la := conn.LocalAddr()
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ra := conn.RemoteAddr()
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ip, port, err := internet.OriginalDst(la, ra)
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if err != nil {
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return net.Destination{}, newError("failed to get destination").Base(err)
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}
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dest := net.TCPDestination(net.IPAddress(ip), net.Port(port))
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if !dest.IsValid() {
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return net.Destination{}, newError("failed to parse destination.")
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}
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return dest, nil
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}
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