mirror of
https://github.com/google/go-attestation.git
synced 2025-02-19 08:36:26 +00:00
106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
// Copyright 2019 Google Inc.
|
|
//
|
|
// 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.
|
|
|
|
package eventlog
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
"testing"
|
|
|
|
"github.com/google/go-attestation/attest"
|
|
"github.com/google/go-attestation/attest/attest-tool/internal"
|
|
)
|
|
|
|
func parseEvents(t *testing.T, testdata string) []attest.Event {
|
|
data, err := ioutil.ReadFile(testdata)
|
|
if err != nil {
|
|
t.Fatalf("reading test data: %v", err)
|
|
}
|
|
var dump internal.Dump
|
|
if err := json.Unmarshal(data, &dump); err != nil {
|
|
t.Fatalf("parsing test data: %v", err)
|
|
}
|
|
|
|
ak, err := attest.ParseAKPublic(dump.Static.TPMVersion, dump.AK.Public)
|
|
if err != nil {
|
|
t.Fatalf("parsing AK: %v", err)
|
|
}
|
|
if err := ak.Verify(attest.Quote{
|
|
Version: dump.Static.TPMVersion,
|
|
Quote: dump.Quote.Quote,
|
|
Signature: dump.Quote.Signature,
|
|
}, dump.Log.PCRs, dump.Quote.Nonce); err != nil {
|
|
t.Fatalf("verifying quote: %v", err)
|
|
}
|
|
|
|
el, err := attest.ParseEventLog(dump.Log.Raw)
|
|
if err != nil {
|
|
t.Fatalf("parsing event log: %v", err)
|
|
}
|
|
events, err := el.Verify(dump.Log.PCRs)
|
|
if err != nil {
|
|
t.Fatalf("validating event log: %v", err)
|
|
}
|
|
return events
|
|
}
|
|
|
|
func notEmpty(t *testing.T, name string, field []byte) {
|
|
t.Helper()
|
|
if len(field) == 0 {
|
|
t.Errorf("field %s wasn't populated", name)
|
|
}
|
|
}
|
|
|
|
func isEmpty(t *testing.T, name string, field []byte) {
|
|
t.Helper()
|
|
if len(field) != 0 {
|
|
t.Errorf("expected field %s not to be populated", name)
|
|
}
|
|
}
|
|
|
|
func TestParseSecureBootWindows(t *testing.T) {
|
|
events := parseEvents(t, "../../../testdata/windows_gcp_shielded_vm.json")
|
|
sb, err := ParseSecureBoot(events)
|
|
if err != nil {
|
|
t.Fatalf("parse secure boot: %v", err)
|
|
}
|
|
if !sb.Enabled {
|
|
t.Errorf("expected secure boot to be enabled")
|
|
}
|
|
notEmpty(t, "db", sb.DB)
|
|
notEmpty(t, "dbx", sb.DBX)
|
|
notEmpty(t, "pk", sb.PK)
|
|
notEmpty(t, "kek", sb.KEK)
|
|
isEmpty(t, "dbt", sb.DBT)
|
|
isEmpty(t, "dbr", sb.DBR)
|
|
notEmpty(t, "Authority", sb.Authority)
|
|
}
|
|
|
|
func TestParseSecureBootLinux(t *testing.T) {
|
|
events := parseEvents(t, "../../../testdata/linux_tpm12.json")
|
|
sb, err := ParseSecureBoot(events)
|
|
if err != nil {
|
|
t.Errorf("parse secure boot: %v", err)
|
|
}
|
|
if sb.Enabled {
|
|
t.Errorf("expected secure boot to be disabled")
|
|
}
|
|
notEmpty(t, "db", sb.DB)
|
|
notEmpty(t, "dbx", sb.DBX)
|
|
isEmpty(t, "dbt", sb.DBT)
|
|
isEmpty(t, "dbr", sb.DBR)
|
|
isEmpty(t, "Authority", sb.Authority)
|
|
}
|