package gokpkg

import (
	"log"
	"os"
	"os/exec"
	"syscall"
)

func MustDropPrivileges() {
	if os.Getenv("NTP_PRIVILEGES_DROPPED") == "1" {
		return
	}

	cmd := exec.Command(os.Args[0])
	cmd.Env = append(os.Environ(), "NTP_PRIVILEGES_DROPPED=1")
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	cmd.SysProcAttr = &syscall.SysProcAttr{
		Credential: &syscall.Credential{
			Uid: 65534,
			Gid: 65534,
		},
	}
	log.Fatal(cmd.Run())
}

func Reboot() {
	cmd := exec.Command("reboot")
	log.Fatal(cmd.Run())
}