1 /* 2 * Copyright (C) 2015 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 <keymaster/operation_table.h> 18 #include <keymaster/operation.h> 19 #include <keymaster/android_keymaster_utils.h> 20 21 #include <keymaster/new> 22 23 namespace keymaster { 24 25 keymaster_error_t OperationTable::Add(OperationPtr&& operation) { 26 if (!table_) { 27 table_.reset(new (std::nothrow) OperationPtr[table_size_]); 28 if (!table_) 29 return KM_ERROR_MEMORY_ALLOCATION_FAILED; 30 } 31 for (size_t i = 0; i < table_size_; ++i) { 32 if (!table_[i]) { 33 table_[i] = move(operation); 34 return KM_ERROR_OK; 35 } 36 } 37 return KM_ERROR_TOO_MANY_OPERATIONS; 38 } 39 40 Operation* OperationTable::Find(keymaster_operation_handle_t op_handle) { 41 if (op_handle == 0) 42 return NULL; 43 44 if (!table_.get()) 45 return NULL; 46 47 for (size_t i = 0; i < table_size_; ++i) { 48 if (table_[i] && table_[i]->operation_handle() == op_handle) 49 return table_[i].get(); 50 } 51 return NULL; 52 } 53 54 bool OperationTable::Delete(keymaster_operation_handle_t op_handle) { 55 if (!table_.get()) 56 return false; 57 58 for (size_t i = 0; i < table_size_; ++i) { 59 if (table_[i] && table_[i]->operation_handle() == op_handle) { 60 table_[i].reset(); 61 return true; 62 } 63 } 64 return false; 65 } 66 67 } // namespace keymaster 68
