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

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