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// Copyright 2023 Google LLC
//
// 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.
//go:build darwin
// Package client provides an interface to the Intel TDX guest device commands.
package client
import (
"fmt"
)
// defaultTdxGuestDevicePath is the platform's usual device path to the TDX guest.
const defaultTdxGuestDevicePath = "unknown"
// MacOSDevice implements the Device interface with Linux ioctls.
type MacOSDevice struct{}
// Open is not supported on MacOS.
func (*MacOSDevice) Open(_ string) error {
return fmt.Errorf("MacOS is unsupported")
}
// OpenDevice fails on MacOS.
func OpenDevice() (*MacOSDevice, error) {
return nil, fmt.Errorf("MacOS is unsupported")
}
// Close is not supported on MacOS.
func (*MacOSDevice) Close() error {
return fmt.Errorf("MacOS is unsupported")
}
// Ioctl is not supported on MacOS.
func (*MacOSDevice) Ioctl(_ uintptr, _ any) (uintptr, error) {
return 0, fmt.Errorf("MacOS is unsupported")
}
// MacOsConfigFsQuoteProvider implements the QuoteProvider interface to fetch attestation quote via ConfigFS.
type MacOsConfigFsQuoteProvider struct{}
// IsSupported is not supported on MacOS.
func (p *MacOsConfigFsQuoteProvider) IsSupported() error {
return fmt.Errorf("MacOS is unsupported")
}
// GetRawQuote is not supported on MacOS.
func (p *MacOsConfigFsQuoteProvider) GetRawQuote(reportData [64]byte) ([]uint8, error) {
return nil, fmt.Errorf("MacOS is unsupported")
}
// GetQuoteProvider is not supported on MacOS.
func GetQuoteProvider() (*MacOsConfigFsQuoteProvider, error) {
return nil, fmt.Errorf("MacOS is unsupported")
}
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