App ops: new native access API.
This is to help implementation of bug #8181262 and maybe
bug #8181261
Note the current code has not yet been tested; it is only
known to compile at this point.
Change-Id: I489674c96d0d3fc0ddacc92611931a19a9ee5230
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
new file mode 100644
index 0000000..d8922c9
--- /dev/null
+++ b/libs/binder/IAppOpsService.cpp
@@ -0,0 +1,172 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "AppOpsService"
+
+#include <binder/IAppOpsService.h>
+
+#include <utils/Debug.h>
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/binder/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpAppOpsService : public BpInterface<IAppOpsService>
+{
+public:
+ BpAppOpsService(const sp<IBinder>& impl)
+ : BpInterface<IAppOpsService>(impl)
+ {
+ }
+
+ virtual int32_t checkOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(CHECK_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return 0;
+ return reply.readInt32() != 0;
+ }
+
+ virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(NOTE_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return 0;
+ return reply.readInt32() != 0;
+ }
+
+ virtual int32_t startOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(START_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return 0;
+ return reply.readInt32() != 0;
+ }
+
+ virtual void finishOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply);
+ }
+
+ virtual void startWatchingMode(int32_t op, const String16& packageName,
+ const sp<IAppOpsCallback>& callback) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(op);
+ data.writeString16(packageName);
+ data.writeStrongBinder(callback->asBinder());
+ remote()->transact(START_WATCHING_MODE_TRANSACTION, data, &reply);
+ }
+
+ virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeStrongBinder(callback->asBinder());
+ remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService");
+
+// ----------------------------------------------------------------------
+
+status_t BnAppOpsService::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ //printf("AppOpsService received: "); data.print();
+ switch(code) {
+ case CHECK_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = checkOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case NOTE_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = noteOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case START_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = startOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case FINISH_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ finishOperation(code, uid, packageName);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ case START_WATCHING_MODE_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t op = data.readInt32();
+ String16 packageName = data.readString16();
+ sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder());
+ startWatchingMode(op, packageName, callback);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ case STOP_WATCHING_MODE_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder());
+ stopWatchingMode(callback);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android