| /* |
| * |
| * Copyright 2018 gRPC authors. |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H |
| #define GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H |
| |
| namespace grpc_core { |
| namespace internal { |
| |
| /** |
| * This method is a helper function that reads a file containing system bios |
| * data. Exposed for testing only. |
| * |
| * - bios_file: a file containing BIOS data used to determine GCE tenancy |
| * information. |
| * |
| * It returns a buffer containing the data read from the file. |
| */ |
| char* read_bios_file(const char* bios_file); |
| |
| /** |
| * This method checks if system BIOS data contains Google-specific phrases. |
| * Exposed for testing only. |
| * |
| * - bios_data: a buffer containing system BIOS data. |
| * |
| * It returns true if the BIOS data contains Google-specific phrases, and false |
| * otherwise. |
| */ |
| bool check_bios_data(const char* bios_data); |
| |
| } // namespace internal |
| } // namespace grpc_core |
| |
| /** |
| * This method checks if a VM (Windows or Linux) is running within Google |
| * compute Engine (GCE) or not. It returns true if the VM is running in GCE and |
| * false otherwise. |
| */ |
| bool grpc_alts_is_running_on_gcp(); |
| |
| #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H */ |