| // |
| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "trunks/tpm_simulator_handle.h" |
| |
| #include <unistd.h> |
| |
| #if defined(USE_SIMULATOR) |
| extern "C" { |
| #include <tpm2/TpmBuildSwitches.h> |
| #include <tpm2/_TPM_Init_fp.h> |
| #include <tpm2/ExecCommand_fp.h> |
| #include <tpm2/Manufacture_fp.h> |
| #include <tpm2/Platform.h> |
| } // extern "C" |
| #endif // USE_SIMULATOR |
| |
| #include <base/callback.h> |
| #include <base/logging.h> |
| #include <base/stl_util.h> |
| |
| #include "trunks/error_codes.h" |
| |
| namespace trunks { |
| |
| TpmSimulatorHandle::TpmSimulatorHandle() {} |
| |
| TpmSimulatorHandle::~TpmSimulatorHandle() {} |
| |
| bool TpmSimulatorHandle::Init() { |
| #if defined(USE_SIMULATOR) |
| // Initialize TPM. |
| CHECK_EQ(chdir("/data/misc/trunksd"), 0); |
| TPM_Manufacture(TRUE); |
| _plat__SetNvAvail(); |
| _plat__Signal_PowerOn(); |
| _TPM_Init(); |
| LOG(INFO) << "Simulator initialized."; |
| #else |
| LOG(FATAL) << "Simulator not configured."; |
| #endif |
| return true; |
| } |
| |
| void TpmSimulatorHandle::SendCommand(const std::string& command, |
| const ResponseCallback& callback) { |
| callback.Run(SendCommandAndWait(command)); |
| } |
| |
| std::string TpmSimulatorHandle::SendCommandAndWait(const std::string& command) { |
| #if defined(USE_SIMULATOR) |
| unsigned int response_size; |
| unsigned char* response; |
| std::string mutable_command(command); |
| ExecuteCommand(command.size(), reinterpret_cast<unsigned char*>( |
| string_as_array(&mutable_command)), |
| &response_size, &response); |
| return std::string(reinterpret_cast<char*>(response), response_size); |
| #else |
| return CreateErrorResponse(TCTI_RC_GENERAL_FAILURE); |
| #endif |
| } |
| |
| } // namespace trunks |