Initial implementation of IntentFirewall functionality
This has the full filter functionality, but is currently only
able to block Activity intents. Logging intents, or blocking
service/broadcast intents is not yet implemented.
Change-Id: Ied3d8dedf982e17bcbdff3e328eeb87477954df7
diff --git a/services/java/com/android/server/firewall/Filter.java b/services/java/com/android/server/firewall/Filter.java
new file mode 100644
index 0000000..7639466
--- /dev/null
+++ b/services/java/com/android/server/firewall/Filter.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 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 com.android.server.firewall;
+
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+
+interface Filter {
+ /**
+ * Does the given intent + context info match this filter?
+ *
+ * @param ifw The IntentFirewall instance
+ * @param intent The intent being started/bound/broadcast
+ * @param callerApp An ApplicationInfo of an application in the caller's process. This may not
+ * be the specific app that is actually sending the intent. This also may be
+ * null, if the caller is the system process, or an unrecognized process (e.g.
+ * am start)
+ * @param callerPackage The package name of the component sending the intent. This value is
+* provided by the caller and might be forged/faked.
+ * @param callerUid
+ * @param callerPid
+ * @param resolvedType The resolved mime type of the intent
+ * @param resolvedApp The application that contains the resolved component that the intent is
+ */
+ boolean matches(IntentFirewall ifw, Intent intent, ApplicationInfo callerApp,
+ String callerPackage, int callerUid, int callerPid, String resolvedType,
+ ApplicationInfo resolvedApp);
+}