/* * 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/Debug.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.readInt32() != 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); // write exception reply->writeInt32(0); reply->writeInt32(res ? 1 : 0); return NO_ERROR; } break; default: return BBinder::onTransact(code, data, reply, flags); } } }; // namespace android