From c4df01ab94c85ecf4a106b187a03e4859a857b1c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Parm=C3=A9nides=20GV?= <parmegv@sdf.org>
Date: Tue, 7 Oct 2014 21:17:12 +0200
Subject: Set up early routes on boot too.

---
 app/src/main/AndroidManifest.xml                   |  2 ++
 app/src/main/java/se/leap/bitmaskclient/EIP.java   |  8 +++--
 .../se/leap/bitmaskclient/VoidVpnLauncher.java     | 36 ++++++++++++++++++++++
 .../java/se/leap/bitmaskclient/VoidVpnService.java | 30 ++++++++++++++++--
 4 files changed, 70 insertions(+), 6 deletions(-)
 create mode 100644 app/src/main/java/se/leap/bitmaskclient/VoidVpnLauncher.java

(limited to 'app')

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bdd541ae..68a99560 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -61,6 +61,8 @@
           </intent-filter>
         </receiver>
 
+	<activity
+	    android:name="se.leap.bitmaskclient.VoidVpnLauncher" />
         <activity
                 android:theme="@android:style/Theme.DeviceDefault.Light.Dialog"
                 android:name="de.blinkt.openvpn.activities.DisconnectVPN" />
diff --git a/app/src/main/java/se/leap/bitmaskclient/EIP.java b/app/src/main/java/se/leap/bitmaskclient/EIP.java
index add5a1d1..0197692b 100644
--- a/app/src/main/java/se/leap/bitmaskclient/EIP.java
+++ b/app/src/main/java/se/leap/bitmaskclient/EIP.java
@@ -185,16 +185,18 @@ public final class EIP extends IntentService {
 	 * Intent to {@link se.leap.openvpn.LaunchVPN}
 	 */
 	private void startEIP() {
-	    activeGateway = selectGateway();
 	    earlyRoutes();
+	    activeGateway = selectGateway();
+	    
 	    if(activeGateway != null && activeGateway.mVpnProfile != null) {
 		launchActiveGateway();
 	    }
 	}
 
     private void earlyRoutes() {
-	VoidVpnService voidVpn = new VoidVpnService();
-	voidVpn.setUp(context);
+	Intent void_vpn_launcher = new Intent(context, VoidVpnLauncher.class);
+	void_vpn_launcher.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+	startActivity(void_vpn_launcher);
     }
     
     private void launchActiveGateway() {
diff --git a/app/src/main/java/se/leap/bitmaskclient/VoidVpnLauncher.java b/app/src/main/java/se/leap/bitmaskclient/VoidVpnLauncher.java
new file mode 100644
index 00000000..23e61eab
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/VoidVpnLauncher.java
@@ -0,0 +1,36 @@
+package se.leap.bitmaskclient;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.VpnService;
+import android.os.Bundle;
+
+public class VoidVpnLauncher extends Activity {
+
+    private static final int VPN_USER_PERMISSION= 71;
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+	super.onCreate(savedInstanceState);
+	setUp();
+    }
+    
+    public void setUp() {
+	Intent blocking_intent = VpnService.prepare(getApplicationContext()); // stops the VPN connection created by another application.
+	if(blocking_intent != null)
+	    startActivityForResult(blocking_intent, VPN_USER_PERMISSION);
+	else {
+	    onActivityResult(VPN_USER_PERMISSION, RESULT_OK, null);
+	}
+    }
+
+    protected void onActivityResult(int requestCode, int resultCode, Intent data){
+	if(requestCode == VPN_USER_PERMISSION) {
+	    if(resultCode == RESULT_OK) {
+		Intent void_vpn_service = new Intent(getApplicationContext(), VoidVpnService.class);
+		void_vpn_service.setAction(VoidVpnService.START_BLOCKING_VPN_PROFILE);
+		startService(void_vpn_service);
+	    }
+	}
+    }
+}
diff --git a/app/src/main/java/se/leap/bitmaskclient/VoidVpnService.java b/app/src/main/java/se/leap/bitmaskclient/VoidVpnService.java
index ec88fd48..5f7c0ab1 100644
--- a/app/src/main/java/se/leap/bitmaskclient/VoidVpnService.java
+++ b/app/src/main/java/se/leap/bitmaskclient/VoidVpnService.java
@@ -1,11 +1,28 @@
 package se.leap.bitmaskclient;
 
-import android.content.Context;
+import android.content.Intent;
 import android.net.VpnService;
+import android.util.Log;
 
 public class VoidVpnService extends VpnService {
-    public void setUp(Context context) {
-	VpnService.prepare(context); // stops the VPN connection created by another application.
+
+    static final String START_BLOCKING_VPN_PROFILE = "se.leap.bitmaskclient.START_BLOCKING_VPN_PROFILE";
+    static final String TAG = VoidVpnService.class.getSimpleName();
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+	String action = intent.getAction();
+	if (action == START_BLOCKING_VPN_PROFILE) {
+	    new Thread(new Runnable() {
+		    public void run() {
+			blockConnections();
+		    }
+		}).run();
+	}
+	return 0;
+    }
+        
+    public void blockConnections() {
 	Builder builder = new Builder();
 	builder.addAddress("10.42.0.8",16);
 	builder.addRoute("0.0.0.0", 1);
@@ -13,5 +30,12 @@ public class VoidVpnService extends VpnService {
 	builder.addRoute("192.168.1.0", 24);
 	builder.addDnsServer("10.42.0.1");
 	builder.establish();
+	android.util.Log.d(TAG, "VoidVpnService set up");
+	try {
+	    new java.net.Socket("sdf.org", 80);
+	    Log.d(TAG, "VoidVpnService doesn's stop traffic");
+	} catch (Exception e) {
+	    e.printStackTrace();
+	}
     }
 }
-- 
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