Test for issue #16013164: protect app ops setMode().
Make sure an app can call it to change its own mode.
Change-Id: Ic974115f90ba8bcd84c4cedd937958b675ef4ffb
(cherry picked from commit aa3938e935e012e3bbdaf679659dc060f3efd4a5)
diff --git a/tests/tests/permission/src/android/permission/cts/AppOpsTest.java b/tests/tests/permission/src/android/permission/cts/AppOpsTest.java
new file mode 100644
index 0000000..c29d5f5
--- /dev/null
+++ b/tests/tests/permission/src/android/permission/cts/AppOpsTest.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.permission.cts;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.util.AttributeSet;
+import junit.framework.AssertionFailedError;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class AppOpsTest extends AndroidTestCase {
+ static final Class<?>[] sSetModeSignature = new Class[] {
+ Context.class, AttributeSet.class};
+
+ private AppOpsManager mAppOps;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ mAppOps = (AppOpsManager)getContext().getSystemService(Context.APP_OPS_SERVICE);
+ assertNotNull(mAppOps);
+ }
+
+ /**
+ * Test that the app can not change the app op mode for itself.
+ */
+ @SmallTest
+ public void testSetMode() {
+ boolean gotToTest = false;
+ try {
+ Method setMode = mAppOps.getClass().getMethod("setMode", int.class, int.class,
+ String.class, int.class);
+ int writeSmsOp = mAppOps.getClass().getField("OP_WRITE_SMS").getInt(mAppOps);
+ gotToTest = true;
+ setMode.invoke(mAppOps, writeSmsOp, android.os.Process.myUid(),
+ getContext().getPackageName(), AppOpsManager.MODE_ALLOWED);
+ fail("Was able to set mode for self");
+ } catch (NoSuchFieldException e) {
+ throw new AssertionError("Unable to find OP_WRITE_SMS", e);
+ } catch (NoSuchMethodException e) {
+ throw new AssertionError("Unable to find setMode method", e);
+ } catch (InvocationTargetException e) {
+ if (!gotToTest) {
+ throw new AssertionError("Whoops", e);
+ }
+ // If we got to the test, we want it to have thrown a security exception.
+ // We need to look inside of the wrapper exception to see.
+ Throwable t = e.getCause();
+ if (!(t instanceof SecurityException)) {
+ throw new AssertionError("Did not throw SecurityException", e);
+ }
+ } catch (IllegalAccessException e) {
+ throw new AssertionError("Whoops", e);
+ }
+ }
+}
