Merge pull request #93 from pylerSM/patch-16

Fixed wrapping on LP and newer

Author: devadvance

app/src/main/java/com/devadvance/rootcloak2/NativeRootDetectionReceiver.java

@@ -6,6 +6,7 @@
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
+import android.os.Build;
 import android.preference.PreferenceManager;
 
 import java.io.File;
@@ -40,6 +41,7 @@ public void onReceive(Context context, Intent intent) {
         if (Common.REFRESH_APPS_INTENT.equals(intent.getAction())) {
             resetNativeHooks(context);
         }
+
         applyNativeHooks(context);
     }
 
@@ -56,10 +58,16 @@ private void applyNativeHooks(Context context) {
             mRootShell.runCommand("am force-stop " + app);
         }
 
-        if (libraryInstalled) {
+        if (libraryInstalled && !nativeHookingApps.isEmpty()) {
             mRootShell.runCommand("chmod 755 /data/local/");
             mRootShell.runCommand("chmod 755 /data/local/librootcloak.so");
             mRootShell.runCommand("chmod 755 /data/local/rootcloak-wrapper.sh");
+            
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                // Allowing wrapping on Lollipop and newer
+                WrappingSELinuxPolicy policy = new WrappingSELinuxPolicy();
+                policy.inject();
+            }
         }
     }
 
@@ -105,6 +113,13 @@ private void upgradeLibrary(Context context) {
         mRootShell.runCommand("cp '" + library + "' /data/local/");
         mRootShell.runCommand("chmod 755 /data/local/librootcloak.so");
     }
-
-
+    
+    private class WrappingSELinuxPolicy extends eu.chainfire.libsuperuser.Policy {
+        @Override
+        protected String[] getPolicies() {
+            return new String[]{
+                    "allow untrusted_app zygote fifo_file { write }"
+            };
+        }
+    }
 }