wpadebug/src/w1/fi/wpadebug/WpaCommandListActivity.java

   1 /*
   2  * wpadebug - wpa_supplicant and Wi-Fi debugging app for Android
   3  * Copyright (c) 2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 package w1.fi.wpadebug;
  10
  11 import java.util.ArrayList;
  12 import java.util.Scanner;
  13 import java.io.FileReader;
  14 import java.io.BufferedReader;
  15 import java.io.InputStreamReader;
  16 import java.io.InputStream;
  17 import java.io.IOException;
  18
  19 import android.app.ListActivity;
  20 import android.content.Intent;
  21 import android.os.Bundle;
  22 import android.os.Parcelable;
  23 import android.view.View;
  24 import android.widget.ListView;
  25 import android.widget.ArrayAdapter;
  26 import android.widget.Toast;
  27 import android.text.method.ScrollingMovementMethod;
  28 import android.util.Log;
  29
  30 public class WpaCommandListActivity extends ListActivity
  31 {
  32     private static final String TAG = "wpadebug";
  33     private static final String cmdfile = "/data/local/wpadebug.wpacmds";
  34
  35     private void read_commands(ArrayList<CmdList> list, Scanner in)
  36     {
  37         in.useDelimiter("@");
  38         while (in.hasNext()) {
  39             String title = in.next();
  40             String cmd = in.nextLine().substring(1);
  41             list.add(new CmdList(title, cmd));
  42         }
  43         in.close();
  44     }
  45
  46     @Override
  47     public void onCreate(Bundle savedInstanceState)
  48     {
  49         super.onCreate(savedInstanceState);
  50
  51         ArrayList<CmdList> list = new ArrayList<CmdList>();
  52
  53         FileReader in;
  54         try {
  55             in = new FileReader(cmdfile);
  56             read_commands(list, new Scanner(in));
  57         } catch (IOException e) {
  58             Toast.makeText(this, "Could not read " + cmdfile,
  59                            Toast.LENGTH_SHORT).show();
  60         }
  61
  62         InputStream inres = getResources().openRawResource(R.raw.wpa_commands);
  63         read_commands(list, new Scanner(inres));
  64
  65         ArrayAdapter<CmdList> listAdapter;
  66         listAdapter = new ArrayAdapter<CmdList>(this, android.R.layout.simple_list_item_1, list);
  67
  68         setListAdapter(listAdapter);
  69     }
  70
  71     @Override
  72     protected void onListItemClick(ListView l, View v, int position, long id)
  73     {
  74         CmdList item = (CmdList) getListAdapter().getItem(position);
  75         Toast.makeText(this, "Running: " + item.command,
  76                        Toast.LENGTH_SHORT).show();
  77         String message = run(item.command);
  78         if (message == null)
  79             return;
  80         Intent intent = new Intent(this, DisplayMessageActivity.class);
  81         intent.putExtra(MainActivity.EXTRA_MESSAGE, message);
  82         startActivity(intent);
  83     }
  84
  85     private String run(String cmd)
  86     {
  87         try {
  88             Process proc = Runtime.getRuntime().exec(new String[]{"/system/bin/mksh-su", "-c", "wpa_cli " + cmd});
  89             BufferedReader reader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
  90             StringBuffer output = new StringBuffer();
  91             int read;
  92             char[] buffer = new char[1024];
  93             while ((read = reader.read(buffer)) > 0)
  94                 output.append(buffer, 0, read);
  95             reader.close();
  96             proc.waitFor();
  97             return output.toString();
  98         } catch (IOException e) {
  99             Toast.makeText(this, "Could not run command",
 100                            Toast.LENGTH_LONG).show();
 101             return null;
 102         } catch (InterruptedException e) {
 103             throw new RuntimeException(e);
 104         }
 105     }
 106 }