Xray-core/transport/internet/tcp/sockopt_freebsd.go

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2020-11-25 11:01:53 +00:00
// +build freebsd
package tcp
import (
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"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport/internet"
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)
// GetOriginalDestination from tcp conn
func GetOriginalDestination(conn internet.Connection) (net.Destination, error) {
la := conn.LocalAddr()
ra := conn.RemoteAddr()
ip, port, err := internet.OriginalDst(la, ra)
if err != nil {
return net.Destination{}, newError("failed to get destination").Base(err)
}
dest := net.TCPDestination(net.IPAddress(ip), net.Port(port))
if !dest.IsValid() {
return net.Destination{}, newError("failed to parse destination.")
}
return dest, nil
}