1 /* 2 * Copyright 2016 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 #include <base/at_exit.h> 18 #include <base/logging.h> 19 #include <base/message_loop/message_loop.h> 20 #include <binder/IServiceManager.h> 21 #include <binder/Status.h> 22 #include <brillo/binder_watcher.h> 23 #include <brillo/message_loops/base_message_loop.h> 24 #include <brillo/syslog_logging.h> 25 #include <utils/String16.h> 26 27 #include "android/os/BnPermissionController.h" 28 29 namespace { 30 static android::String16 serviceName("permission"); 31 } 32 33 namespace android { 34 35 class PermissionService : public android::os::BnPermissionController { 36 public: 37 ::android::binder::Status checkPermission( 38 const ::android::String16& permission, int32_t pid, int32_t uid, 39 bool* _aidl_return) { 40 (void)permission; 41 (void)pid; 42 (void)uid; 43 *_aidl_return = true; 44 return binder::Status::ok(); 45 } 46 47 ::android::binder::Status getPackagesForUid( 48 int32_t uid, ::std::vector<::android::String16>* _aidl_return) { 49 (void)uid; 50 // Brillo doesn't currently have installable packages. 51 if (_aidl_return) { 52 _aidl_return->clear(); 53 } 54 return binder::Status::ok(); 55 } 56 57 ::android::binder::Status isRuntimePermission( 58 const ::android::String16& permission, bool* _aidl_return) { 59 (void)permission; 60 // Brillo doesn't currently have runtime permissions. 61 *_aidl_return = false; 62 return binder::Status::ok(); 63 } 64 }; 65 66 } // namespace android 67 68 int main() { 69 base::AtExitManager atExitManager; 70 brillo::InitLog(brillo::kLogToSyslog); 71 // Register the service with servicemanager. 72 android::status_t status = android::defaultServiceManager()->addService( 73 serviceName, new android::PermissionService()); 74 CHECK(status == android::OK) << "Failed to get IPermissionController " 75 "binder from servicemanager."; 76 77 // Create a message loop. 78 base::MessageLoopForIO messageLoopForIo; 79 brillo::BaseMessageLoop messageLoop{&messageLoopForIo}; 80 81 // Initialize a binder watcher. 82 brillo::BinderWatcher watcher(&messageLoop); 83 watcher.Init(); 84 85 // Run the message loop. 86 messageLoop.Run(); 87 } 88