package localcontrol

import (
	"errors"
	"net"
	"os"
)

var ErrPeerCredentialsUnsupported = errors.New(
	"localcontrol: peer credentials are unsupported on this platform",
)

type peerCredentialSource interface {
	Supported() bool
	UID(net.Conn) (uint32, error)
}

type kernelPeerCredentialSource struct{}

func effectiveUID() uint32 {
	return uint32(os.Geteuid())
}