1 /* 2 * Copyright (C) 2017 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 "bluetooth_socket_manager.h" 18 #include "permission_helpers.h" 19 20 #include <base/logging.h> 21 #include <binder/IPCThreadState.h> 22 23 using ::android::OK; 24 using ::android::String8; 25 using ::android::binder::Status; 26 using ::android::os::ParcelFileDescriptor; 27 using ::android::os::ParcelUuid; 28 29 namespace android { 30 namespace bluetooth { 31 32 Status BluetoothSocketManagerBinderServer::connectSocket( 33 const BluetoothDevice& device, int32_t type, 34 const std::unique_ptr<ParcelUuid>& uuid, int32_t port, int32_t flag, 35 std::unique_ptr<ParcelFileDescriptor>* _aidl_return) { 36 if (!isCallerActiveUserOrManagedProfile()) { 37 LOG(WARNING) << "connectSocket() - Not allowed for non-active users"; 38 return Status::fromExceptionCode( 39 Status::EX_SECURITY, String8("Not allowed for non-active users")); 40 } 41 42 ENFORCE_PERMISSION(PERMISSION_BLUETOOTH); 43 44 IPCThreadState* ipc = IPCThreadState::self(); 45 46 int socket_fd = -1; 47 bt_status_t status = socketInterface->connect( 48 &device.address, (btsock_type_t)type, uuid ? &uuid->uuid : nullptr, port, 49 &socket_fd, flag, ipc->getCallingUid()); 50 if (status != BT_STATUS_SUCCESS) { 51 LOG(ERROR) << "Socket connection failed: " << +status; 52 socket_fd = -1; 53 } 54 55 if (socket_fd < 0) { 56 LOG(ERROR) << "Fail to create file descriptor on socket fd"; 57 return Status::ok(); 58 } 59 60 _aidl_return->reset(new ParcelFileDescriptor()); 61 (*_aidl_return)->setFileDescriptor(socket_fd, true); 62 return Status::ok(); 63 } 64 65 Status BluetoothSocketManagerBinderServer::createSocketChannel( 66 int32_t type, const std::unique_ptr<::android::String16>& serviceName, 67 const std::unique_ptr<ParcelUuid>& uuid, int32_t port, int32_t flag, 68 std::unique_ptr<ParcelFileDescriptor>* _aidl_return) { 69 if (!isCallerActiveUserOrManagedProfile()) { 70 LOG(WARNING) << "createSocketChannel() - Not allowed for non-active users"; 71 return Status::fromExceptionCode( 72 Status::EX_SECURITY, String8("Not allowed for non-active users")); 73 } 74 75 ENFORCE_PERMISSION(PERMISSION_BLUETOOTH); 76 77 VLOG(1) << __func__ << ": SOCK FLAG=" << flag; 78 79 IPCThreadState* ipc = IPCThreadState::self(); 80 int socket_fd = -1; 81 82 const std::string payload_url{}; 83 84 bt_status_t status = socketInterface->listen( 85 (btsock_type_t)type, 86 serviceName ? String8{*serviceName}.c_str() : nullptr, 87 uuid ? &uuid->uuid : nullptr, port, &socket_fd, flag, 88 ipc->getCallingUid()); 89 90 if (status != BT_STATUS_SUCCESS) { 91 LOG(ERROR) << "Socket listen failed: " << +status; 92 socket_fd = -1; 93 } 94 95 if (socket_fd < 0) { 96 LOG(ERROR) << "Failed to create file descriptor on socket fd"; 97 return Status::ok(); 98 } 99 100 _aidl_return->reset(new ParcelFileDescriptor()); 101 (*_aidl_return)->setFileDescriptor(socket_fd, true); 102 return Status::ok(); 103 } 104 105 Status BluetoothSocketManagerBinderServer::requestMaximumTxDataLength( 106 const BluetoothDevice& device) { 107 if (!isCallerActiveUserOrManagedProfile()) { 108 LOG(WARNING) << __func__ << ": Not allowed for non-active users"; 109 return Status::fromExceptionCode( 110 Status::EX_SECURITY, String8("Not allowed for non-active users")); 111 } 112 113 ENFORCE_PERMISSION(PERMISSION_BLUETOOTH); 114 115 VLOG(1) << __func__; 116 117 socketInterface->request_max_tx_data_length(device.address); 118 return Status::ok(); 119 } 120 121 } // namespace bluetooth 122 } // namespace android 123
