wpadebug: Add generic shell command mechanism

Signed-hostap: Jouni Malinen <j@w1.fi>

wpadebug/AndroidManifest.xml

@@ -28,5 +28,9 @@
 		<data android:mimeType="application/vnd.wfa.wsc" />
             </intent-filter>
 	</activity>
+	<activity android:name="w1.fi.wpadebug.CommandListActivity"
+		  android:label="Command list"
+		  android:parentActivityName="w1.fi.wpadebug.MainActivity">
+	</activity>
     </application>
 </manifest>

wpadebug/README

@@ -44,6 +44,11 @@ adb root
 adb remount
 adb shell chmod 6755 /system/bin/mksh-su
 
+Optionally, a text file with a set of command can be installed to allow
+arbitrary shell commands to be executed. This text file need to be in
+/data/local/wpadebug.cmds and use title@command format per line. For
+example:
+version@cat /proc/version
 
 
 Uninstallation

wpadebug/res/layout/main.xml

@@ -122,11 +122,6 @@
 		    android:onClick="runWpaCliCmd"
 		    />
 	</LinearLayout>
-	<TextView
-	    android:layout_width="wrap_content"
-	    android:layout_height="wrap_content"
-	    android:text="Shell commands"
-	    />
 	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 		      android:layout_width="match_parent"
 		      android:layout_height="wrap_content"
@@ -135,8 +130,8 @@
 		<Button
 		    android:layout_width="wrap_content"
 		    android:layout_height="wrap_content"
-		    android:text="id"
-		    android:onClick="runId"
+		    android:text="Shell commands"
+		    android:onClick="runCommands"
 		    />
 	</LinearLayout>
 	<TextView

wpadebug/res/raw/shell_commands.txt

@@ -0,0 +1,2 @@
+id@id
+version@cat /proc/version

wpadebug/src/w1/fi/wpadebug/CommandListActivity.java

@@ -0,0 +1,124 @@
+/*
+ * wpadebug - wpa_supplicant and Wi-Fi debugging app for Android
+ * Copyright (c) 2013, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+package w1.fi.wpadebug;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+import java.io.FileReader;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.InputStream;
+import java.io.IOException;
+
+import android.app.ListActivity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.ArrayAdapter;
+import android.widget.Toast;
+import android.text.method.ScrollingMovementMethod;
+import android.util.Log;
+
+class CmdList
+{
+    String title;
+    String command;
+
+    public CmdList(String _title, String _command)
+    {
+	title = _title;
+	command = _command;
+    }
+
+    @Override
+    public String toString()
+    {
+	return title;
+    }
+}
+
+public class CommandListActivity extends ListActivity
+{
+    private static final String TAG = "wpadebug";
+    private static final String cmdfile = "/data/local/wpadebug.cmds";
+
+    private void read_commands(ArrayList<CmdList> list, Scanner in)
+    {
+	in.useDelimiter("@");
+	while (in.hasNext()) {
+	    String title = in.next();
+	    String cmd = in.nextLine().substring(1);
+	    list.add(new CmdList(title, cmd));
+	}
+	in.close();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+
+	ArrayList<CmdList> list = new ArrayList<CmdList>();
+
+	FileReader in;
+	try {
+	    in = new FileReader(cmdfile);
+	    read_commands(list, new Scanner(in));
+	} catch (IOException e) {
+	    Toast.makeText(this, "Could not read " + cmdfile,
+			   Toast.LENGTH_SHORT).show();
+	}
+
+	InputStream inres = getResources().openRawResource(R.raw.shell_commands);
+	read_commands(list, new Scanner(inres));
+
+	ArrayAdapter<CmdList> listAdapter;
+	listAdapter = new ArrayAdapter<CmdList>(this, android.R.layout.simple_list_item_1, list);
+
+	setListAdapter(listAdapter);
+    }
+
+    @Override
+    protected void onListItemClick(ListView l, View v, int position, long id)
+    {
+	CmdList item = (CmdList) getListAdapter().getItem(position);
+	Toast.makeText(this, "Running: " + item.command,
+		       Toast.LENGTH_SHORT).show();
+	String message = run(item.command);
+	if (message == null)
+	    return;
+	Intent intent = new Intent(this, DisplayMessageActivity.class);
+	intent.putExtra(MainActivity.EXTRA_MESSAGE, message);
+	startActivity(intent);
+    }
+
+    private String run(String cmd)
+    {
+	try {
+	    Process proc = Runtime.getRuntime().exec(new String[]{"/system/bin/mksh-su", "-c", cmd});
+	    BufferedReader reader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
+	    StringBuffer output = new StringBuffer();
+	    int read;
+	    char[] buffer = new char[1024];
+	    while ((read = reader.read(buffer)) > 0)
+		output.append(buffer, 0, read);
+	    reader.close();
+	    proc.waitFor();
+	    return output.toString();
+	} catch (IOException e) {
+	    Toast.makeText(this, "Could not run command",
+			   Toast.LENGTH_LONG).show();
+	    return null;
+	} catch (InterruptedException e) {
+	    throw new RuntimeException(e);
+	}
+    }
+}

wpadebug/src/w1/fi/wpadebug/MainActivity.java

@@ -41,13 +41,9 @@ public class MainActivity extends Activity
         setContentView(R.layout.main);
     }
 
-    public void runId(View view)
+    public void runCommands(View view)
     {
-	Intent intent = new Intent(this, DisplayMessageActivity.class);
-	String message = run("/system/bin/id");
-	if (message == null)
-	    return;
-	intent.putExtra(EXTRA_MESSAGE, message);
+	Intent intent = new Intent(this, CommandListActivity.class);
 	startActivity(intent);
     }