package captiveportal; import java.io.BufferedReader; import java.io.InputStreamReader; public class Command { public boolean Grand (String ip) { String command = "sudo /bin/bash /portal/rules.sh grand " +ip; try { Process process; process = Runtime.getRuntime().exec(command); String line; BufferedReader is = new BufferedReader(new InputStreamReader(process.getInputStream())); while((line = is.readLine()) != null){ if(line.equals("SUCCES")) { return true; } } return false; } catch ( Exception err ) { err.printStackTrace(); return false; } } }