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/*
*
* 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 */
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