3 * Copyright 2018 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H
20 #define GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H
26 * This method is a helper function that reads a file containing system bios
27 * data. Exposed for testing only.
29 * - bios_file: a file containing BIOS data used to determine GCE tenancy
32 * It returns a buffer containing the data read from the file.
34 char* read_bios_file(const char* bios_file);
37 * This method checks if system BIOS data contains Google-specific phrases.
38 * Exposed for testing only.
40 * - bios_data: a buffer containing system BIOS data.
42 * It returns true if the BIOS data contains Google-specific phrases, and false
45 bool check_bios_data(const char* bios_data);
47 } // namespace internal
48 } // namespace grpc_core
51 * This method checks if a VM (Windows or Linux) is running within Google
52 * compute Engine (GCE) or not. It returns true if the VM is running in GCE and
55 bool grpc_alts_is_running_on_gcp();
57 #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_CHECK_GCP_ENVIRONMENT_H */