示例#1
0
// Takes care of dropping privileges to the desired user
func changeUser(u string) {
	if u == "" {
		return
	}
	userent, err := utils.UserLookup(u)
	if err != nil {
		log.Fatalf("Unable to find user %v: %v", u, err)
	}

	uid, err := strconv.Atoi(userent.Uid)
	if err != nil {
		log.Fatalf("Invalid uid: %v", userent.Uid)
	}
	gid, err := strconv.Atoi(userent.Gid)
	if err != nil {
		log.Fatalf("Invalid gid: %v", userent.Gid)
	}

	if err := syscall.Setgid(gid); err != nil {
		log.Fatalf("setgid failed: %v", err)
	}
	if err := syscall.Setuid(uid); err != nil {
		log.Fatalf("setuid failed: %v", err)
	}
}
示例#2
0
// Takes care of dropping privileges to the desired user
func changeUser(args *DockerInitArgs) error {
	if args.user == "" {
		return nil
	}
	userent, err := utils.UserLookup(args.user)
	if err != nil {
		return fmt.Errorf("Unable to find user %v: %v", args.user, err)
	}

	uid, err := strconv.Atoi(userent.Uid)
	if err != nil {
		return fmt.Errorf("Invalid uid: %v", userent.Uid)
	}
	gid, err := strconv.Atoi(userent.Gid)
	if err != nil {
		return fmt.Errorf("Invalid gid: %v", userent.Gid)
	}

	if err := syscall.Setgid(gid); err != nil {
		return fmt.Errorf("setgid failed: %v", err)
	}
	if err := syscall.Setuid(uid); err != nil {
		return fmt.Errorf("setuid failed: %v", err)
	}

	return nil
}