Method canSudo

drive/driveimpl/remote_impl.go:421–428

canSudo checks whether we can sudo -u the configured executable as the configured user by attempting to call the executable with the '-h' flag to print help.

()

// configured user by attempting to call the executable with the '-h' flag to
// print help.
func (s *userServer) canSudo() bool {
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	if err := exec.CommandContext(ctx, "sudo", "-n", "-u", s.username, s.executable, "-h").Run(); err != nil {
		return false
	}
	return true
}

// canSU checks whether the current process can run su with the right username.
// If su can be run, this returns the path to the su command.