package main

import "C"
import (
        "debug/elf"
        "errors"
        "io/ioutil"
        "log"
)

func CreateUuidFile(progfile, sectionname, filename string)(error) {
        ef, err := elf.Open(progfile)
        if err != nil {
                log.Printf("open elf fail \n")
                return errors.New("open elf fail \n")
        }
        defer ef.Close()

        section := ef.Section(sectionname)
        if section == nil {
                log.Printf("get uuid section fail \n")
                return errors.New("get uuid section fail \n")
        }

        data, err:= section.Data()
        if err != nil {
                log.Printf("get uuid data fail \n")
                return errors.New("get get uuid data fail \n")
        }

        err = ioutil.WriteFile(filename, data, 0666)
        if err != nil {
                log.Printf("WriteFile data fail \n")
                return errors.New("WriteFile data fail \n")
        }

        ef.Close()
        return nil
}

func main() {
        if err := CreateUuidFile("/home/31770/sonia", ".uuid", "sonia-uuid.txt"); err != nil {
                log.Fatal("CreateUuidFile fail")
        }
}