mirror of
https://github.com/tailscale/tailscale.git
synced 2025-12-10 03:41:33 +01:00
9eff8a4503
This might help users diagnose why TPM access is failing for tpmrm0. Fixes #18026 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
25 lines
472 B
Go
25 lines
472 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package tpm
|
|
|
|
import (
|
|
"errors"
|
|
|
|
"github.com/google/go-tpm/tpm2/transport"
|
|
"github.com/google/go-tpm/tpm2/transport/linuxtpm"
|
|
)
|
|
|
|
func open() (transport.TPMCloser, error) {
|
|
tpm, err := linuxtpm.Open("/dev/tpmrm0")
|
|
if err == nil {
|
|
return tpm, nil
|
|
}
|
|
errs := []error{err}
|
|
tpm, err = linuxtpm.Open("/dev/tpm0")
|
|
if err == nil {
|
|
return tpm, nil
|
|
}
|
|
return nil, errors.Join(errs...)
|
|
}
|