1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <memory> 20 21 #include "common/libs/confui/confui.h" 22 23 /** ConfUiUserSelectionMessage with a security flag 24 * 25 * Inputs generated by something that belong to (virtualized) TEE is regarded 26 * as secure. Otherwise (e.g. inputs generated by the guest calling 27 * deliverSecureInputEvent), it is regarded as insecure. 28 * 29 * The host marks the security field, and use it internally and exclusively. 30 * 31 */ 32 namespace cuttlefish { 33 namespace confui { 34 class ConfUiSecureUserSelectionMessage : public ConfUiMessage { 35 public: ConfUiSecureUserSelectionMessage(const ConfUiUserSelectionMessage & msg,const bool secure)36 ConfUiSecureUserSelectionMessage(const ConfUiUserSelectionMessage& msg, 37 const bool secure) 38 : ConfUiMessage(msg.GetSessionId()), msg_(msg), is_secure_(secure) {} 39 ConfUiSecureUserSelectionMessage() = delete; 40 virtual ~ConfUiSecureUserSelectionMessage() = default; ToString()41 std::string ToString() const override { return msg_.ToString(); } GetType()42 ConfUiCmd GetType() const override { return msg_.GetType(); } GetResponse()43 auto GetResponse() const { return msg_.GetResponse(); } 44 // SendOver is between guest and host, so it doesn't send the is_secure_ SendOver(SharedFD fd)45 bool SendOver(SharedFD fd) override { return msg_.SendOver(fd); } IsSecure()46 bool IsSecure() const { return is_secure_; } 47 // SetSecure() might be needed later on but not now. 48 49 private: 50 ConfUiUserSelectionMessage msg_; 51 bool is_secure_; 52 }; 53 54 class ConfUiSecureUserTouchMessage : public ConfUiMessage { 55 public: ConfUiSecureUserTouchMessage(const ConfUiUserTouchMessage & msg,const bool secure)56 ConfUiSecureUserTouchMessage(const ConfUiUserTouchMessage& msg, 57 const bool secure) 58 : ConfUiMessage(msg.GetSessionId()), msg_(msg), is_secure_(secure) {} 59 virtual ~ConfUiSecureUserTouchMessage() = default; ToString()60 std::string ToString() const override { return msg_.ToString(); } GetType()61 ConfUiCmd GetType() const override { return msg_.GetType(); } GetResponse()62 auto GetResponse() const { return msg_.GetResponse(); } SendOver(SharedFD fd)63 bool SendOver(SharedFD fd) override { return msg_.SendOver(fd); } GetLocation()64 std::pair<int, int> GetLocation() { return msg_.GetLocation(); } IsSecure()65 bool IsSecure() const { return is_secure_; } 66 67 private: 68 ConfUiUserTouchMessage msg_; 69 bool is_secure_; 70 }; 71 72 std::unique_ptr<ConfUiSecureUserSelectionMessage> ToSecureSelectionMessage( 73 const ConfUiUserSelectionMessage& msg, const bool secure); 74 std::unique_ptr<ConfUiSecureUserTouchMessage> ToSecureTouchMessage( 75 const ConfUiUserTouchMessage& msg, const bool secure); 76 } // end of namespace confui 77 } // end of namespace cuttlefish 78