auto import from //depot/cupcake/@135843
diff --git a/libs/utils/IPermissionController.cpp b/libs/utils/IPermissionController.cpp
new file mode 100644
index 0000000..f01d38f
--- /dev/null
+++ b/libs/utils/IPermissionController.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2005 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.
+ */
+
+#define LOG_TAG "PermissionController"
+
+#include <utils/IPermissionController.h>
+
+#include <utils/Debug.h>
+#include <utils/Log.h>
+#include <utils/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/utils/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpPermissionController : public BpInterface<IPermissionController>
+{
+public:
+ BpPermissionController(const sp<IBinder>& impl)
+ : BpInterface<IPermissionController>(impl)
+ {
+ }
+
+ virtual bool checkPermission(const String16& permission, int32_t pid, int32_t uid)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IPermissionController::getInterfaceDescriptor());
+ data.writeString16(permission);
+ data.writeInt32(pid);
+ data.writeInt32(uid);
+ remote()->transact(CHECK_PERMISSION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readInt32() != 0) return 0;
+ return reply.readInt32() != 0;
+ }
+};
+
+IMPLEMENT_META_INTERFACE(PermissionController, "android.os.IPermissionController");
+
+// ----------------------------------------------------------------------
+
+#define CHECK_INTERFACE(interface, data, reply) \
+ do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+ LOGW("Call incorrectly routed to " #interface); \
+ return PERMISSION_DENIED; \
+ } } while (0)
+
+status_t BnPermissionController::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ //printf("PermissionController received: "); data.print();
+ switch(code) {
+ case CHECK_PERMISSION_TRANSACTION: {
+ CHECK_INTERFACE(IPermissionController, data, reply);
+ String16 permission = data.readString16();
+ int32_t pid = data.readInt32();
+ int32_t uid = data.readInt32();
+ bool res = checkPermission(permission, pid, uid);
+ // write exception
+ reply->writeInt32(0);
+ reply->writeInt32(res ? 1 : 0);
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
+