1 // Copyright 2021 gRPC authors. 2 // 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 #ifndef GRPC_SRC_CORE_EXT_TRANSPORT_BINDER_SECURITY_POLICY_SECURITY_POLICY_H 16 #define GRPC_SRC_CORE_EXT_TRANSPORT_BINDER_SECURITY_POLICY_SECURITY_POLICY_H 17 18 #include <grpc/support/port_platform.h> 19 20 namespace grpc { 21 namespace experimental { 22 namespace binder { 23 24 // This interface is for determining if a connection is allowed to be 25 // established on Android. See https://source.android.com/security/app-sandbox 26 // for more info about UID. 27 class SecurityPolicy { 28 public: 29 virtual ~SecurityPolicy() = default; 30 // Returns true if the UID is authorized to connect. 31 // Must return the same value for the same inputs so callers can safely cache 32 // the result. 33 virtual bool IsAuthorized(int uid) = 0; 34 }; 35 36 } // namespace binder 37 } // namespace experimental 38 } // namespace grpc 39 40 #endif // GRPC_SRC_CORE_EXT_TRANSPORT_BINDER_SECURITY_POLICY_SECURITY_POLICY_H 41