Iptables binaries added+Afwall API with needed methods.

build.gradle

@@ -50,6 +50,12 @@ dependencies {
     //SU Library for root
     implementation 'eu.chainfire:libsuperuser:1.0.0.201704021214'
 
+    //RootTools Library
+    implementation 'com.github.Stericson:RootShell:1.6' //RootTolls depends on RootShell and it's not correctly setUped for the jitpack
+    implementation ('com.github.Stericson:RootTools:5.0') {//Refer to https://github.com/Stericson/RootTools/issues/65
+        exclude group: 'com.github.Stericson'
+    }
+
     //androidX legacy support
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.preference:preference:1.1.1'

src/main/java/de/tudarmstadt/informatik/hostage/Hostage.java

@@ -48,7 +48,9 @@
 import de.tudarmstadt.informatik.hostage.persistence.DAO.AttackRecordDAO;
 import de.tudarmstadt.informatik.hostage.protocol.Protocol;
 import de.tudarmstadt.informatik.hostage.system.Device;
+import de.tudarmstadt.informatik.hostage.system.iptablesUtils.Api;
 import de.tudarmstadt.informatik.hostage.ui.activity.MainActivity;
+import eu.chainfire.libsuperuser.Shell;
 
 import static de.tudarmstadt.informatik.hostage.commons.HelperUtils.getBSSID;
 
@@ -301,9 +303,11 @@ public void onCreate() {
 		connectionInfoEditor.apply();
 
 		mProtocolActiveAttacks = new HashMap<>();
-
-		Device.checkCapabilities();
-		Device.executePortRedirectionScript();
+		if(Shell.SU.available()) {
+			Device.checkCapabilities();
+			if(Api.assertBinaries(getContext(),true))
+				Device.executePortRedirectionScript();
+		}
 		createNotification();
 		registerNetReceiver();
 		try {

src/main/java/de/tudarmstadt/informatik/hostage/system/Device.java

@@ -206,8 +206,7 @@ public static void uninstallPorthack() {try {
 			logError(p.getErrorStream());
 		}
 		logOutput(p.getInputStream());
-	} catch (IOException e) {
-	} catch (InterruptedException e) {
+	} catch (IOException | InterruptedException e) {
 	}
 	}