mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-14 10:24:24 -05:00
1046 lines
33 KiB
Go
1046 lines
33 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package measurements
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import (
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"bytes"
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"context"
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"encoding/json"
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"io"
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"net/http"
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"net/url"
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"strings"
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"testing"
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"github.com/siderolabs/talos/pkg/machinery/config/encoder"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"gopkg.in/yaml.v3"
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"github.com/edgelesssys/constellation/v2/internal/api/versionsapi"
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"github.com/edgelesssys/constellation/v2/internal/attestation/variant"
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"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/v2/internal/sigstore"
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)
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func TestMarshal(t *testing.T) {
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testCases := map[string]struct {
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m Measurement
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wantYAML string
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wantJSON string
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}{
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"measurement": {
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m: Measurement{
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Expected: []byte{253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222, 185, 63, 83, 185, 239, 81, 35, 159, 117, 44, 230, 157, 188, 96, 15, 53},
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},
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wantYAML: "expected: \"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35\"\nwarnOnly: false",
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wantJSON: `{"expected":"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35","warnOnly":false}`,
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},
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"warn only": {
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m: Measurement{
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Expected: []byte{1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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ValidationOpt: WarnOnly,
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},
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wantYAML: "expected: \"0102030400000000000000000000000000000000000000000000000000000000\"\nwarnOnly: true",
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wantJSON: `{"expected":"0102030400000000000000000000000000000000000000000000000000000000","warnOnly":true}`,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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{
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// YAML
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yaml, err := yaml.Marshal(tc.m)
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require.NoError(err)
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assert.YAMLEq(tc.wantYAML, string(yaml))
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}
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{
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// JSON
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json, err := json.Marshal(tc.m)
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require.NoError(err)
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assert.JSONEq(tc.wantJSON, string(json))
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}
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})
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}
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}
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func TestUnmarshal(t *testing.T) {
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testCases := map[string]struct {
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inputYAML string
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inputJSON string
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wantMeasurements M
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wantErr bool
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}{
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"valid measurements hex": {
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inputYAML: "2:\n expected: \"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35\"\n3:\n expected: \"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9e\"",
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inputJSON: `{"2":{"expected":"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35"},"3":{"expected":"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9e"}}`,
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wantMeasurements: M{
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2: {
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Expected: []byte{253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222, 185, 63, 83, 185, 239, 81, 35, 159, 117, 44, 230, 157, 188, 96, 15, 53},
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},
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3: {
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Expected: []byte{213, 164, 73, 109, 33, 222, 201, 165, 37, 141, 219, 25, 198, 254, 181, 59, 180, 211, 192, 70, 63, 230, 7, 242, 72, 141, 223, 79, 16, 6, 239, 158},
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},
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},
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},
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"valid measurements hex 48 bytes": {
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inputYAML: "2:\n expected: \"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35fd5de9df350e3bc4410ac06bbfe5ccde\"\n3:\n expected: \"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9efd5de9df350e3bc4410ac06bbfe5ccde\"",
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inputJSON: `{"2":{"expected":"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35fd5de9df350e3bc4410ac06bbfe5ccde"},"3":{"expected":"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9efd5de9df350e3bc4410ac06bbfe5ccde"}}`,
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wantMeasurements: M{
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2: {
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Expected: []byte{253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222, 185, 63, 83, 185, 239, 81, 35, 159, 117, 44, 230, 157, 188, 96, 15, 53, 253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222},
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},
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3: {
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Expected: []byte{213, 164, 73, 109, 33, 222, 201, 165, 37, 141, 219, 25, 198, 254, 181, 59, 180, 211, 192, 70, 63, 230, 7, 242, 72, 141, 223, 79, 16, 6, 239, 158, 253, 93, 233, 223, 53, 14, 59, 196, 65, 10, 192, 107, 191, 229, 204, 222},
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},
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},
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},
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"empty bytes": {
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inputYAML: "2:\n expected: \"0000000000000000000000000000000000000000000000000000000000000000\"\n3:\n expected: \"0102030400000000000000000000000000000000000000000000000000000000\"",
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inputJSON: `{"2":{"expected":"0000000000000000000000000000000000000000000000000000000000000000"},"3":{"expected":"0102030400000000000000000000000000000000000000000000000000000000"}}`,
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wantMeasurements: M{
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2: {
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Expected: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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},
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3: {
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Expected: []byte{1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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},
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},
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},
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"invalid base64": {
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inputYAML: "2:\n expected: \"This is not base64\"\n3:\n expected: \"AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\"",
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inputJSON: `{"2":{"expected":"This is not base64"},"3":{"expected":"AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="}}`,
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wantErr: true,
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},
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"invalid length hex": {
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inputYAML: "2:\n expected: \"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef\"\n3:\n expected: \"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463f\"",
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inputJSON: `{"2":{"expected":"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef"},"3":{"expected":"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463f"}}`,
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wantErr: true,
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},
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"mixed length hex": {
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inputYAML: "2:\n expected: \"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35fd5de9df350e3bc4410ac06bbfe5ccde\"\n3:\n expected: \"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9e\"",
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inputJSON: `{"2":{"expected":"fd5de9df350e3bc4410ac06bbfe5ccdeb93f53b9ef51239f752ce69dbc600f35fd5de9df350e3bc4410ac06bbfe5ccde"},"3":{"expected":"d5a4496d21dec9a5258ddb19c6feb53bb4d3c0463fe607f2488ddf4f1006ef9e"}}`,
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wantErr: true,
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},
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"invalid length base64": {
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inputYAML: "2:\n expected: \"AA==\"\n3:\n expected: \"AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==\"",
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inputJSON: `{"2":{"expected":"AA=="},"3":{"expected":"AQIDBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=="}}`,
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wantErr: true,
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},
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"invalid format": {
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inputYAML: "1:\n expected:\n someKey: 12\n anotherKey: 34",
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inputJSON: `{"1":{"expected":{"someKey":12,"anotherKey":34}}}`,
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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{
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// YAML
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var m M
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err := yaml.Unmarshal([]byte(tc.inputYAML), &m)
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if tc.wantErr {
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assert.Error(err, "yaml.Unmarshal should have failed")
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} else {
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require.NoError(err, "yaml.Unmarshal failed")
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assert.Equal(tc.wantMeasurements, m)
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}
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}
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{
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// JSON
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var m M
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err := json.Unmarshal([]byte(tc.inputJSON), &m)
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if tc.wantErr {
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assert.Error(err, "json.Unmarshal should have failed")
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} else {
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require.NoError(err, "json.Unmarshal failed")
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assert.Equal(tc.wantMeasurements, m)
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}
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}
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})
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}
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}
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func TestEncodeM(t *testing.T) {
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testCases := map[string]struct {
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m M
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want string
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}{
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"basic": {
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m: M{
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1: WithAllBytes(1, false, PCRMeasurementLength),
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2: WithAllBytes(2, WarnOnly, PCRMeasurementLength),
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},
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want: `1:
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expected: "0101010101010101010101010101010101010101010101010101010101010101"
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warnOnly: false
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2:
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expected: "0202020202020202020202020202020202020202020202020202020202020202"
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warnOnly: true
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`,
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},
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"output is sorted": {
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m: M{
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3: WithAllBytes(0, false, PCRMeasurementLength),
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1: WithAllBytes(0, false, PCRMeasurementLength),
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11: WithAllBytes(0, false, PCRMeasurementLength),
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2: WithAllBytes(0, false, PCRMeasurementLength),
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},
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want: `1:
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expected: "0000000000000000000000000000000000000000000000000000000000000000"
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warnOnly: false
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2:
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expected: "0000000000000000000000000000000000000000000000000000000000000000"
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warnOnly: false
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3:
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expected: "0000000000000000000000000000000000000000000000000000000000000000"
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warnOnly: false
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11:
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expected: "0000000000000000000000000000000000000000000000000000000000000000"
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warnOnly: false
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`,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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encoded, err := encoder.NewEncoder(tc.m).Encode()
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require.NoError(err)
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assert.Equal(tc.want, string(encoded))
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})
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}
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}
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func TestMeasurementsCopyFrom(t *testing.T) {
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testCases := map[string]struct {
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current M
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newMeasurements M
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wantMeasurements M
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}{
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"add to empty": {
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current: M{},
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newMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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wantMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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},
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"keep existing": {
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current: M{
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4: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
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5: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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newMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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wantMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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4: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
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5: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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},
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"overwrite existing": {
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current: M{
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2: WithAllBytes(0x04, Enforce, PCRMeasurementLength),
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3: WithAllBytes(0x05, Enforce, PCRMeasurementLength),
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},
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newMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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wantMeasurements: M{
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1: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
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2: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
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3: WithAllBytes(0x02, WarnOnly, PCRMeasurementLength),
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},
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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tc.current.CopyFrom(tc.newMeasurements)
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assert.Equal(tc.wantMeasurements, tc.current)
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})
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}
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}
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// roundTripFunc .
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type roundTripFunc func(req *http.Request) *http.Response
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// RoundTrip .
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func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req), nil
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}
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// newTestClient returns *http.Client with Transport replaced to avoid making real calls.
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func newTestClient(fn roundTripFunc) *http.Client {
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return &http.Client{
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Transport: fn,
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}
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}
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func urlMustParse(raw string) *url.URL {
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parsed, _ := url.Parse(raw)
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return parsed
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}
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func TestMeasurementsFetchAndVerify(t *testing.T) {
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// Cosign private key used to sign the
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// Generated with: cosign generate-key-pair
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// Password left empty.
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//
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// -----BEGIN ENCRYPTED COSIGN PRIVATE KEY-----
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// eyJrZGYiOnsibmFtZSI6InNjcnlwdCIsInBhcmFtcyI6eyJOIjozMjc2OCwiciI6
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// OCwicCI6MX0sInNhbHQiOiJlRHVYMWRQMGtIWVRnK0xkbjcxM0tjbFVJaU92eFVX
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// VXgvNi9BbitFVk5BPSJ9LCJjaXBoZXIiOnsibmFtZSI6Im5hY2wvc2VjcmV0Ym94
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// Iiwibm9uY2UiOiJwaWhLL2txNmFXa2hqSVVHR3RVUzhTVkdHTDNIWWp4TCJ9LCJj
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// aXBoZXJ0ZXh0Ijoidm81SHVWRVFWcUZ2WFlQTTVPaTVaWHM5a255bndZU2dvcyth
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// VklIeHcrOGFPamNZNEtvVjVmL3lHRHR0K3BHV2toanJPR1FLOWdBbmtsazFpQ0c5
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// a2czUXpPQTZsU2JRaHgvZlowRVRZQ0hLeElncEdPRVRyTDlDenZDemhPZXVSOXJ6
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// TDcvRjBBVy9vUDVqZXR3dmJMNmQxOEhjck9kWE8yVmYxY2w0YzNLZjVRcnFSZzlN
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// dlRxQWFsNXJCNHNpY1JaMVhpUUJjb0YwNHc9PSJ9
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// -----END ENCRYPTED COSIGN PRIVATE KEY-----
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cosignPublicKey := []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----")
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v1Test, err := versionsapi.NewVersion("-", "stable", "v1.0.0-test", versionsapi.VersionKindImage)
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require.NoError(t, err)
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v1AnotherImage, err := versionsapi.NewVersion("-", "stable", "v1.0.0-another-image", versionsapi.VersionKindImage)
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require.NoError(t, err)
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testCases := map[string]struct {
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measurements string
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csp cloudprovider.Provider
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attestationVariant variant.Variant
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imageVersion versionsapi.Version
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measurementsStatus int
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signature string
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signatureStatus int
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wantMeasurements M
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wantSHA string
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wantError bool
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}{
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"json measurements": {
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measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
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csp: cloudprovider.Unknown,
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imageVersion: v1Test,
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measurementsStatus: http.StatusOK,
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signature: "MEUCIHuW2420EqN4Kj6OEaVMmufH7d01vyR1J+SWg8H4elyBAiEA1Ki5Hfq0iI70qpViYbrTFrd8e840NjtdAxGqJKiJgbA=",
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signatureStatus: http.StatusOK,
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wantMeasurements: M{
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0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
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},
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wantSHA: "7269a1e8c6a379b86af605f993352df1d4a289bbf79fe655fd78338bd7549d52",
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},
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"404 measurements": {
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measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
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csp: cloudprovider.Unknown,
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imageVersion: v1Test,
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measurementsStatus: http.StatusNotFound,
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signature: "MEUCIHuW2420EqN4Kj6OEaVMmufH7d01vyR1J+SWg8H4elyBAiEA1Ki5Hfq0iI70qpViYbrTFrd8e840NjtdAxGqJKiJgbA=",
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signatureStatus: http.StatusOK,
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wantError: true,
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},
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"404 signature": {
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measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
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csp: cloudprovider.Unknown,
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imageVersion: v1Test,
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measurementsStatus: http.StatusOK,
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signature: "MEUCIHuW2420EqN4Kj6OEaVMmufH7d01vyR1J+SWg8H4elyBAiEA1Ki5Hfq0iI70qpViYbrTFrd8e840NjtdAxGqJKiJgbA=",
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signatureStatus: http.StatusNotFound,
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wantError: true,
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},
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"broken signature": {
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measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
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csp: cloudprovider.Unknown,
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imageVersion: v1Test,
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measurementsStatus: http.StatusOK,
|
|
signature: "AAAAAAA1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
|
|
signatureStatus: http.StatusOK,
|
|
wantError: true,
|
|
},
|
|
"metadata CSP mismatch": {
|
|
measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
|
|
csp: cloudprovider.GCP,
|
|
imageVersion: v1Test,
|
|
measurementsStatus: http.StatusOK,
|
|
signature: "MEUCIHuW2420EqN4Kj6OEaVMmufH7d01vyR1J+SWg8H4elyBAiEA1Ki5Hfq0iI70qpViYbrTFrd8e840NjtdAxGqJKiJgbA=",
|
|
signatureStatus: http.StatusOK,
|
|
wantError: true,
|
|
},
|
|
"metadata image mismatch": {
|
|
measurements: `{"version":"v1.0.0-test","ref":"-","stream":"stable","list":[{"csp":"Unknown","attestationVariant":"dummy","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}]}`,
|
|
csp: cloudprovider.Unknown,
|
|
imageVersion: v1AnotherImage,
|
|
measurementsStatus: http.StatusOK,
|
|
signature: "MEUCIHuW2420EqN4Kj6OEaVMmufH7d01vyR1J+SWg8H4elyBAiEA1Ki5Hfq0iI70qpViYbrTFrd8e840NjtdAxGqJKiJgbA=",
|
|
signatureStatus: http.StatusOK,
|
|
wantError: true,
|
|
},
|
|
"not json": {
|
|
measurements: "This is some content to be signed!\n",
|
|
csp: cloudprovider.Unknown,
|
|
imageVersion: v1Test,
|
|
measurementsStatus: http.StatusOK,
|
|
signature: "MEUCIQCGA/lSu5qCJgNNvgMaTKJ9rj6vQMecUDaQo3ukaiAfUgIgWoxXRoDKLY9naN7YgxokM7r2fwnyYk3M2WKJJO1g6yo=",
|
|
signatureStatus: http.StatusOK,
|
|
wantError: true,
|
|
},
|
|
}
|
|
|
|
measurementsURL := urlMustParse("https://somesite.com/yaml")
|
|
signatureURL := urlMustParse("https://somesite.com/yaml.sig")
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
require := require.New(t)
|
|
|
|
if tc.attestationVariant == nil {
|
|
tc.attestationVariant = variant.Dummy{}
|
|
}
|
|
|
|
client := newTestClient(func(req *http.Request) *http.Response {
|
|
if req.URL.String() == measurementsURL.String() {
|
|
return &http.Response{
|
|
StatusCode: tc.measurementsStatus,
|
|
Body: io.NopCloser(strings.NewReader(tc.measurements)),
|
|
Header: make(http.Header),
|
|
}
|
|
}
|
|
if req.URL.String() == signatureURL.String() {
|
|
return &http.Response{
|
|
StatusCode: tc.signatureStatus,
|
|
Body: io.NopCloser(strings.NewReader(tc.signature)),
|
|
Header: make(http.Header),
|
|
}
|
|
}
|
|
return &http.Response{
|
|
StatusCode: http.StatusNotFound,
|
|
Body: io.NopCloser(strings.NewReader("Not found.")),
|
|
Header: make(http.Header),
|
|
}
|
|
})
|
|
|
|
m := M{}
|
|
|
|
verifier, err := sigstore.NewCosignVerifier(cosignPublicKey)
|
|
require.NoError(err)
|
|
|
|
hash, err := m.fetchAndVerify(
|
|
context.Background(), client, verifier,
|
|
measurementsURL, signatureURL,
|
|
tc.imageVersion,
|
|
tc.csp,
|
|
tc.attestationVariant,
|
|
)
|
|
|
|
if tc.wantError {
|
|
assert.Error(err)
|
|
return
|
|
}
|
|
assert.Equal(tc.wantSHA, hash)
|
|
assert.NoError(err)
|
|
assert.EqualValues(tc.wantMeasurements, m)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGetEnforced(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
input M
|
|
want map[uint32]struct{}
|
|
}{
|
|
"only warnings": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
want: map[uint32]struct{}{},
|
|
},
|
|
"all enforced": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
},
|
|
want: map[uint32]struct{}{
|
|
0: {},
|
|
1: {},
|
|
},
|
|
},
|
|
"mixed": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
2: WithAllBytes(0x02, Enforce, PCRMeasurementLength),
|
|
},
|
|
want: map[uint32]struct{}{
|
|
0: {},
|
|
2: {},
|
|
},
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
got := tc.input.GetEnforced()
|
|
enforced := map[uint32]struct{}{}
|
|
for _, id := range got {
|
|
enforced[id] = struct{}{}
|
|
}
|
|
assert.Equal(tc.want, enforced)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSetEnforced(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
input M
|
|
enforced []uint32
|
|
wantM M
|
|
wantErr bool
|
|
}{
|
|
"no enforced measurements": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
},
|
|
enforced: []uint32{},
|
|
wantM: M{
|
|
0: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
},
|
|
"all enforced measurements": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
},
|
|
enforced: []uint32{0, 1},
|
|
wantM: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
"mixed": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
2: WithAllBytes(0x02, Enforce, PCRMeasurementLength),
|
|
3: WithAllBytes(0x03, Enforce, PCRMeasurementLength),
|
|
},
|
|
enforced: []uint32{0, 2},
|
|
wantM: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
2: WithAllBytes(0x02, Enforce, PCRMeasurementLength),
|
|
3: WithAllBytes(0x03, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
},
|
|
"warn only to enforced": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
enforced: []uint32{0, 1},
|
|
wantM: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
"more enforced than measurements": {
|
|
input: M{
|
|
0: WithAllBytes(0x00, WarnOnly, PCRMeasurementLength),
|
|
1: WithAllBytes(0x01, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
enforced: []uint32{0, 1, 2},
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
err := tc.input.SetEnforced(tc.enforced)
|
|
if tc.wantErr {
|
|
assert.Error(err)
|
|
return
|
|
}
|
|
assert.NoError(err)
|
|
assert.True(tc.input.EqualTo(tc.wantM))
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWithAllBytes(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
b byte
|
|
warnOnly MeasurementValidationOption
|
|
wantMeasurement Measurement
|
|
}{
|
|
"0x00 warnOnly": {
|
|
b: 0x00,
|
|
warnOnly: WarnOnly,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
|
|
ValidationOpt: WarnOnly,
|
|
},
|
|
},
|
|
"0x00": {
|
|
b: 0x00,
|
|
warnOnly: Enforce,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
|
|
ValidationOpt: Enforce,
|
|
},
|
|
},
|
|
"0x01 warnOnly": {
|
|
b: 0x01,
|
|
warnOnly: WarnOnly,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
|
|
ValidationOpt: WarnOnly,
|
|
},
|
|
},
|
|
"0x01": {
|
|
b: 0x01,
|
|
warnOnly: Enforce,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
|
|
ValidationOpt: Enforce,
|
|
},
|
|
},
|
|
"0xFF warnOnly": {
|
|
b: 0xFF,
|
|
warnOnly: WarnOnly,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
|
|
ValidationOpt: WarnOnly,
|
|
},
|
|
},
|
|
"0xFF": {
|
|
b: 0xFF,
|
|
warnOnly: Enforce,
|
|
wantMeasurement: Measurement{
|
|
Expected: []byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
|
|
ValidationOpt: Enforce,
|
|
},
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
measurement := WithAllBytes(tc.b, tc.warnOnly, PCRMeasurementLength)
|
|
assert.Equal(tc.wantMeasurement, measurement)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestEqualTo(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
given M
|
|
other M
|
|
wantEqual bool
|
|
}{
|
|
"same values": {
|
|
given: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
},
|
|
other: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
},
|
|
wantEqual: true,
|
|
},
|
|
"different number of elements": {
|
|
given: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
},
|
|
other: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
wantEqual: false,
|
|
},
|
|
"different values": {
|
|
given: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
},
|
|
other: M{
|
|
0: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
wantEqual: false,
|
|
},
|
|
"different warn settings": {
|
|
given: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, Enforce, PCRMeasurementLength),
|
|
},
|
|
other: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0xFF, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
wantEqual: false,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
if tc.wantEqual {
|
|
assert.True(tc.given.EqualTo(tc.other))
|
|
} else {
|
|
assert.False(tc.given.EqualTo(tc.other))
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMergeImageMeasurementsV2(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
measurements []ImageMeasurementsV2
|
|
wantMeasurements ImageMeasurementsV2
|
|
wantErr bool
|
|
}{
|
|
"only one element": {
|
|
measurements: []ImageMeasurementsV2{
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
wantMeasurements: ImageMeasurementsV2{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
"valid measurements": {
|
|
measurements: []ImageMeasurementsV2{
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.GCP,
|
|
AttestationVariant: "gcp-sev-es",
|
|
Measurements: M{
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
wantMeasurements: ImageMeasurementsV2{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
{
|
|
CSP: cloudprovider.GCP,
|
|
AttestationVariant: "gcp-sev-es",
|
|
Measurements: M{
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
"sorting": {
|
|
measurements: []ImageMeasurementsV2{
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.GCP,
|
|
AttestationVariant: "gcp-sev-es",
|
|
Measurements: M{
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
wantMeasurements: ImageMeasurementsV2{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
{
|
|
CSP: cloudprovider.GCP,
|
|
AttestationVariant: "gcp-sev-es",
|
|
Measurements: M{
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
"mismatch in base info": {
|
|
measurements: []ImageMeasurementsV2{
|
|
{
|
|
Ref: "test-ref",
|
|
Stream: "nightly",
|
|
Version: "v1.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.AWS,
|
|
AttestationVariant: "aws-nitro-tpm",
|
|
Measurements: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Ref: "other-ref",
|
|
Stream: "stable",
|
|
Version: "v2.0.0",
|
|
List: []ImageMeasurementsV2Entry{
|
|
{
|
|
CSP: cloudprovider.GCP,
|
|
AttestationVariant: "gcp-sev-es",
|
|
Measurements: M{
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
wantErr: true,
|
|
},
|
|
"empty list": {
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
gotMeasurements, err := MergeImageMeasurementsV2(tc.measurements...)
|
|
|
|
if tc.wantErr {
|
|
assert.Error(err)
|
|
return
|
|
}
|
|
assert.NoError(err)
|
|
assert.Equal(tc.wantMeasurements, gotMeasurements)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMeasurementsCompare(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
expected M
|
|
actual map[uint32][]byte
|
|
wantErrs int
|
|
wantWarnings int
|
|
}{
|
|
"no errors": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0x11}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 0,
|
|
wantWarnings: 0,
|
|
},
|
|
"no errors, with warnings": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, WarnOnly, PCRMeasurementLength),
|
|
2: WithAllBytes(0x22, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
2: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 0,
|
|
wantWarnings: 2,
|
|
},
|
|
"with errors, no warnings": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
2: WithAllBytes(0x22, Enforce, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
2: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 2,
|
|
wantWarnings: 0,
|
|
},
|
|
"with errors and warnings": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, WarnOnly, PCRMeasurementLength),
|
|
2: WithAllBytes(0x22, Enforce, PCRMeasurementLength),
|
|
},
|
|
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
2: bytes.Repeat([]byte{0xFF}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 1,
|
|
wantWarnings: 1,
|
|
},
|
|
"extra measurements don't cause errors": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0x11}, PCRMeasurementLength),
|
|
2: bytes.Repeat([]byte{0x22}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 0,
|
|
wantWarnings: 0,
|
|
},
|
|
"missing measurements cause errors": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
2: WithAllBytes(0x22, Enforce, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0x11}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 1,
|
|
wantWarnings: 0,
|
|
},
|
|
"missing measurements cause warnings": {
|
|
expected: M{
|
|
0: WithAllBytes(0x00, Enforce, PCRMeasurementLength),
|
|
1: WithAllBytes(0x11, Enforce, PCRMeasurementLength),
|
|
2: WithAllBytes(0x22, WarnOnly, PCRMeasurementLength),
|
|
},
|
|
actual: map[uint32][]byte{
|
|
0: bytes.Repeat([]byte{0x00}, PCRMeasurementLength),
|
|
1: bytes.Repeat([]byte{0x11}, PCRMeasurementLength),
|
|
},
|
|
wantErrs: 0,
|
|
wantWarnings: 1,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
gotWarnings, gotErrs := tc.expected.Compare(tc.actual)
|
|
assert.Equal(tc.wantErrs, len(gotErrs))
|
|
assert.Equal(tc.wantWarnings, len(gotWarnings))
|
|
})
|
|
}
|
|
}
|