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/*
* 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/Log.h>
#include <binder/Parcel.h>
#include <utils/String8.h>
namespace android {
// ----------------------------------------------------------------------
class BpAppOpsService : public BpInterface<IAppOpsService>
{
public:
explicit 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 MODE_ERRORED;
return reply.readInt32();
}
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 MODE_ERRORED;
return reply.readInt32();
}
virtual int32_t startOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
const String16& packageName, bool startIfModeDefault) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeStrongBinder(token);
data.writeInt32(code);
data.writeInt32(uid);
data.writeString16(packageName);
data.writeInt32(startIfModeDefault ? 1 : 0);
remote()->transact(START_OPERATION_TRANSACTION, data, &reply);
// fail on exception
if (reply.readExceptionCode() != 0) return MODE_ERRORED;
return reply.readInt32();
}
virtual void finishOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
const String16& packageName) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeStrongBinder(token);
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(IInterface::asBinder(callback));
remote()->transact(START_WATCHING_MODE_TRANSACTION, data, &reply);
}
virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeStrongBinder(IInterface::asBinder(callback));
remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply);
}
virtual sp<IBinder> getToken(const sp<IBinder>& clientToken) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeStrongBinder(clientToken);
remote()->transact(GET_TOKEN_TRANSACTION, data, &reply);
// fail on exception
if (reply.readExceptionCode() != 0) return nullptr;
return reply.readStrongBinder();
}
virtual int32_t permissionToOpCode(const String16& permission) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeString16(permission);
remote()->transact(PERMISSION_TO_OP_CODE_TRANSACTION, data, &reply);
// fail on exception
if (reply.readExceptionCode() != 0) return -1;
return reply.readInt32();
}
virtual int32_t checkAudioOperation(int32_t code, int32_t usage,
int32_t uid, const String16& packageName) {
Parcel data, reply;
data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
data.writeInt32(code);
data.writeInt32(usage);
data.writeInt32(uid);
data.writeString16(packageName);
remote()->transact(CHECK_AUDIO_OPERATION_TRANSACTION, data, &reply);
// fail on exception
if (reply.readExceptionCode() != 0) {
return MODE_ERRORED;
}
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService");
// ----------------------------------------------------------------------
// NOLINTNEXTLINE(google-default-arguments)
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);
sp<IBinder> token = data.readStrongBinder();
int32_t code = data.readInt32();
int32_t uid = data.readInt32();
String16 packageName = data.readString16();
bool startIfModeDefault = data.readInt32() == 1;
int32_t res = startOperation(token, code, uid, packageName, startIfModeDefault);
reply->writeNoException();
reply->writeInt32(res);
return NO_ERROR;
} break;
case FINISH_OPERATION_TRANSACTION: {
CHECK_INTERFACE(IAppOpsService, data, reply);
sp<IBinder> token = data.readStrongBinder();
int32_t code = data.readInt32();
int32_t uid = data.readInt32();
String16 packageName = data.readString16();
finishOperation(token, 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;
case GET_TOKEN_TRANSACTION: {
CHECK_INTERFACE(IAppOpsService, data, reply);
sp<IBinder> clientToken = data.readStrongBinder();
sp<IBinder> token = getToken(clientToken);
reply->writeNoException();
reply->writeStrongBinder(token);
return NO_ERROR;
} break;
case PERMISSION_TO_OP_CODE_TRANSACTION: {
CHECK_INTERFACE(IAppOpsService, data, reply);
String16 permission = data.readString16();
const int32_t opCode = permissionToOpCode(permission);
reply->writeNoException();
reply->writeInt32(opCode);
return NO_ERROR;
} break;
case CHECK_AUDIO_OPERATION_TRANSACTION: {
CHECK_INTERFACE(IAppOpsService, data, reply);
const int32_t code = data.readInt32();
const int32_t usage = data.readInt32();
const int32_t uid = data.readInt32();
const String16 packageName = data.readString16();
const int32_t res = checkAudioOperation(code, usage, uid, packageName);
reply->writeNoException();
reply->writeInt32(res);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
} // namespace android
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