1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SERVICE_CHECKER_H 17 #define SERVICE_CHECKER_H 18 19 #include <unordered_map> 20 #include <sys/types.h> 21 #include <string> 22 23 struct ServiceInfo { 24 std::string serviceName = ""; 25 std::string serviceContext = ""; 26 }; 27 28 class ServiceChecker { 29 public: ServiceChecker(bool isHdf)30 ServiceChecker(bool isHdf) : isHdf_(isHdf) 31 { 32 if (isHdf) { 33 serviceClass_ = "hdf_devmgr_class"; 34 } else { 35 serviceClass_ = "samgr_class"; 36 } 37 SetSelinuxLogCallback(); 38 } ~ServiceChecker()39 ~ServiceChecker() {}; 40 41 int ListServiceCheck(const pid_t &callingPid); 42 43 int GetServiceCheck(const pid_t &callingPid, const std::string &serviceName); 44 45 int GetRemoteServiceCheck(const pid_t &callingPid, const std::string &remoteServiceName); 46 47 int AddServiceCheck(const pid_t &callingPid, const std::string &serviceName); 48 49 protected: 50 private: 51 void SetSelinuxLogCallback(); 52 bool ServiceContextsLoad(); 53 int CheckPerm(const pid_t &callingPid, const std::string &serviceName, std::string action); 54 int GetServiceContext(const std::string &serviceName, std::string &context); 55 56 bool isHdf_ = false; 57 std::string serviceClass_ = ""; 58 std::unordered_map<std::string, struct ServiceInfo> serviceMap; 59 }; 60 61 #endif // SERVICE_CHECKER_H 62