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/*
* 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 <binder/IPermissionController.h>
#include <utils/Log.h>
#include <binder/Parcel.h>
#include <utils/String8.h>
#include <private/binder/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.readExceptionCode() != 0) return 0;
return reply.readInt32() != 0;
}
};
IMPLEMENT_META_INTERFACE(PermissionController, "android.os.IPermissionController");
// ----------------------------------------------------------------------
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);
reply->writeNoException();
reply->writeInt32(res ? 1 : 0);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
}; // namespace android
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