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Refactor enforced/expected PCRs (#553)

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* Merge enforced and expected measurements

* Update measurement generation to new format

* Write expected measurements hex encoded by default

* Allow hex or base64 encoded expected measurements

* Allow hex or base64 encoded clusterID

* Allow security upgrades to warnOnly flag

* Upload signed measurements in JSON format

* Fetch measurements either from JSON or YAML

* Use yaml.v3 instead of yaml.v2

* Error on invalid enforced selection

* Add placeholder measurements to config

* Update e2e test to new measurement format

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-11-24 10:57:58 +01:00 • committed by GitHub
parent 8ce954e012
commit f8001efbc0
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GPG key ID: 4AEE18F83AFDEB23
46 changed files with 1180 additions and 801 deletions
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31
internal/watcher/validator_test.go
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@ -20,6 +20,7 @@ import (
"testing"
"github.com/edgelesssys/constellation/v2/internal/atls"
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/file"
"github.com/edgelesssys/constellation/v2/internal/logger"
@ -117,7 +118,7 @@ func TestUpdate(t *testing.T) {
require := require.New(t)
oid := fakeOID{1, 3, 9900, 1}
newValidator := func(m map[uint32][]byte, e []uint32, idkeydigest []byte, enforceIdKeyDigest bool, _ *logger.Logger) atls.Validator {
newValidator := func(m measurements.M, idkeydigest []byte, enforceIdKeyDigest bool, _ *logger.Logger) atls.Validator {
return fakeValidator{fakeOID: oid}
}
handler := file.NewHandler(afero.NewMemMapFs())
@ -135,14 +136,7 @@ func TestUpdate(t *testing.T) {
// write measurement config
require.NoError(handler.WriteJSON(
filepath.Join(constants.ServiceBasePath, constants.MeasurementsFilename),
map[uint32][]byte{
11: {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
},
file.OptNone,
))
require.NoError(handler.WriteJSON(
filepath.Join(constants.ServiceBasePath, constants.EnforcedPCRsFilename),
[]uint32{11},
measurements.M{11: measurements.WithAllBytes(0x00, false)},
))
require.NoError(handler.Write(
filepath.Join(constants.ServiceBasePath, constants.IDKeyDigestFilename),
@ -189,6 +183,23 @@ func TestUpdate(t *testing.T) {
defer resp.Body.Close()
}
assert.Error(err)
// update should work for legacy measurement format
// TODO: remove with v2.4.0
require.NoError(handler.WriteJSON(
filepath.Join(constants.ServiceBasePath, constants.MeasurementsFilename),
map[uint32][]byte{
11: bytes.Repeat([]byte{0x0}, 32),
12: bytes.Repeat([]byte{0x1}, 32),
},
file.OptOverwrite,
))
require.NoError(handler.WriteJSON(
filepath.Join(constants.ServiceBasePath, constants.EnforcedPCRsFilename),
[]uint32{11},
))
assert.NoError(validator.Update())
}
func TestUpdateConcurrency(t *testing.T) {
@ -199,7 +210,7 @@ func TestUpdateConcurrency(t *testing.T) {
validator := &Updatable{
log: logger.NewTest(t),
fileHandler: handler,
newValidator: func(m map[uint32][]byte, e []uint32, idkeydigest []byte, enforceIdKeyDigest bool, _ *logger.Logger) atls.Validator {
newValidator: func(m measurements.M, idkeydigest []byte, enforceIdKeyDigest bool, _ *logger.Logger) atls.Validator {
return fakeValidator{fakeOID: fakeOID{1, 3, 9900, 1}}
},
}