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AB#2644 Fetch measurements from CDN (#653)

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* Fetch measurements from CDN

* Perform metadata validation on fetched measurements

* Remove deprecated public bucket

Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-11-28 10:27:33 +01:00 committed by GitHub
parent c978329839
commit d52f3db2a3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 406 additions and 144 deletions
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50
cli/internal/cmd/configfetchmeasurements.go
View File

@ -11,13 +11,15 @@ import (
"fmt"
"net/http"
"net/url"
"path"
"strings"
"time"
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/edgelesssys/constellation/v2/internal/config"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/file"
"github.com/edgelesssys/constellation/v2/internal/image"
"github.com/edgelesssys/constellation/v2/internal/sigstore"
"github.com/spf13/afero"
"github.com/spf13/cobra"
@ -49,10 +51,13 @@ func runConfigFetchMeasurements(cmd *cobra.Command, args []string) error {
if err != nil {
return fmt.Errorf("constructing Rekor client: %w", err)
}
return configFetchMeasurements(cmd, rekor, fileHandler, http.DefaultClient, image.New())
return configFetchMeasurements(cmd, rekor, []byte(constants.CosignPublicKey), fileHandler, http.DefaultClient)
}
func configFetchMeasurements(cmd *cobra.Command, verifier rekorVerifier, fileHandler file.Handler, client *http.Client, img imageFetcher) error {
func configFetchMeasurements(
cmd *cobra.Command, verifier rekorVerifier, cosignPublicKey []byte,
fileHandler file.Handler, client *http.Client,
) error {
flags, err := parseFetchMeasurementsFlags(cmd)
if err != nil {
return err
@ -70,12 +75,21 @@ func configFetchMeasurements(cmd *cobra.Command, verifier rekorVerifier, fileHan
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
if err := flags.updateURLs(ctx, conf, img); err != nil {
if err := flags.updateURLs(conf); err != nil {
return err
}
var fetchedMeasurements measurements.M
hash, err := fetchedMeasurements.FetchAndVerify(ctx, client, flags.measurementsURL, flags.signatureURL, []byte(constants.CosignPublicKey))
hash, err := fetchedMeasurements.FetchAndVerify(
ctx, client,
flags.measurementsURL,
flags.signatureURL,
cosignPublicKey,
measurements.WithMetadata{
CSP: conf.GetProvider(),
Image: conf.Image,
},
)
if err != nil {
return err
}
@ -129,31 +143,31 @@ func parseFetchMeasurementsFlags(cmd *cobra.Command) (*fetchMeasurementsFlags, e
}, nil
}
func (f *fetchMeasurementsFlags) updateURLs(ctx context.Context, conf *config.Config, img imageFetcher) error {
imageRef, err := img.FetchReference(ctx, conf)
if err != nil {
return err
}
func (f *fetchMeasurementsFlags) updateURLs(conf *config.Config) error {
if f.measurementsURL == nil {
// TODO(AB#2644): resolve image version to reference
parsedURL, err := url.Parse(constants.S3PublicBucket + imageRef + "/measurements.json")
url, err := measurementURL(conf.GetProvider(), conf.Image, "measurements.json")
if err != nil {
return err
}
f.measurementsURL = parsedURL
f.measurementsURL = url
}
if f.signatureURL == nil {
parsedURL, err := url.Parse(constants.S3PublicBucket + imageRef + "/measurements.json.sig")
url, err := measurementURL(conf.GetProvider(), conf.Image, "measurements.json.sig")
if err != nil {
return err
}
f.signatureURL = parsedURL
f.signatureURL = url
}
return nil
}
type imageFetcher interface {
FetchReference(ctx context.Context, config *config.Config) (string, error)
func measurementURL(provider cloudprovider.Provider, image, file string) (*url.URL, error) {
url, err := url.Parse(constants.CDNRepositoryURL)
if err != nil {
return nil, fmt.Errorf("parsing image version repository URL: %w", err)
}
url.Path = path.Join(constants.CDNMeasurementsPath, image, strings.ToLower(provider.String()), file)
return url, nil
}

72
cli/internal/cmd/configfetchmeasurements_test.go
View File

@ -8,8 +8,8 @@ package cmd
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"net/http"
"net/url"
@ -109,8 +109,8 @@ func TestUpdateURLs(t *testing.T) {
},
},
flags: &fetchMeasurementsFlags{},
wantMeasurementsURL: constants.S3PublicBucket + "some/image/path/image-123456/measurements.json",
wantMeasurementsSigURL: constants.S3PublicBucket + "some/image/path/image-123456/measurements.json.sig",
wantMeasurementsURL: constants.CDNRepositoryURL + "/" + constants.CDNMeasurementsPath + "/someImageVersion/gcp/measurements.json",
wantMeasurementsSigURL: constants.CDNRepositoryURL + "/" + constants.CDNMeasurementsPath + "/someImageVersion/gcp/measurements.json.sig",
},
"both set by user": {
conf: &config.Config{},
@ -127,9 +127,7 @@ func TestUpdateURLs(t *testing.T) {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
err := tc.flags.updateURLs(context.Background(), tc.conf, &stubImageFetcher{
reference: "some/image/path/image-123456",
})
err := tc.flags.updateURLs(tc.conf)
assert.NoError(err)
assert.Equal(tc.wantMeasurementsURL, tc.flags.measurementsURL.String())
})
@ -152,32 +150,57 @@ func newTestClient(fn roundTripFunc) *http.Client {
}
func TestConfigFetchMeasurements(t *testing.T) {
measurements := `1: fPRxd3lV3uybnSVhcBmM6XLzcvMitXW78G0RRuQxYGc=
2: PUWM/lXMA+ofRD8VYr7sjfUcdeFKn8+acjShPxmOeWk=
3: PUWM/lXMA+ofRD8VYr7sjfUcdeFKn8+acjShPxmOeWk=
4: HaV5ivUAGzMxmKkfKjcG3wmW08MRUWr+vsfIMVQpOH0=
5: PemdXV59WnLLzPz0F4GGCTKm8KbHskPRvon1dtNw7oY=
7: 8dI/6SUmQ5sd8+bulPDpJ8ghs0UX0+fgLlW8kutAYKw=
8: XJ5IBWy6b6vqojkTsk/GLOWyfNUB2qaf58+JjMYiAB4=
9: Gw5gq8D1WXfz46sF/OKiWbkBssyt4ayGybzNyV9cUCQ=
// Cosign private key used to sign the measurements.
// Generated with: cosign generate-key-pair
// Password left empty.
//
// -----BEGIN ENCRYPTED COSIGN PRIVATE KEY-----
// eyJrZGYiOnsibmFtZSI6InNjcnlwdCIsInBhcmFtcyI6eyJOIjozMjc2OCwiciI6
// OCwicCI6MX0sInNhbHQiOiJlRHVYMWRQMGtIWVRnK0xkbjcxM0tjbFVJaU92eFVX
// VXgvNi9BbitFVk5BPSJ9LCJjaXBoZXIiOnsibmFtZSI6Im5hY2wvc2VjcmV0Ym94
// Iiwibm9uY2UiOiJwaWhLL2txNmFXa2hqSVVHR3RVUzhTVkdHTDNIWWp4TCJ9LCJj
// aXBoZXJ0ZXh0Ijoidm81SHVWRVFWcUZ2WFlQTTVPaTVaWHM5a255bndZU2dvcyth
// VklIeHcrOGFPamNZNEtvVjVmL3lHRHR0K3BHV2toanJPR1FLOWdBbmtsazFpQ0c5
// a2czUXpPQTZsU2JRaHgvZlowRVRZQ0hLeElncEdPRVRyTDlDenZDemhPZXVSOXJ6
// TDcvRjBBVy9vUDVqZXR3dmJMNmQxOEhjck9kWE8yVmYxY2w0YzNLZjVRcnFSZzlN
// dlRxQWFsNXJCNHNpY1JaMVhpUUJjb0YwNHc9PSJ9
// -----END ENCRYPTED COSIGN PRIVATE KEY-----
cosignPublicKey := []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----")
measurements := `{
"csp": "gcp",
"image": "v999.999.999",
"measurements": {
"0": "0000000000000000000000000000000000000000000000000000000000000000",
"1": "1111111111111111111111111111111111111111111111111111111111111111",
"2": "2222222222222222222222222222222222222222222222222222222222222222",
"3": "3333333333333333333333333333333333333333333333333333333333333333",
"4": "4444444444444444444444444444444444444444444444444444444444444444",
"5": "5555555555555555555555555555555555555555555555555555555555555555",
"6": "6666666666666666666666666666666666666666666666666666666666666666"
}
}
`
signature := "MEUCIFdJ5dH6HDywxQWTUh9Bw77wMrq0mNCUjMQGYP+6QsVmAiEAmazj/L7rFGA4/Gz8y+kI5h5E5cDgc3brihvXBKF6qZA="
signature := "MEYCIQDRAQNK2NjHJBGrnw3HQAyBsXMCmVCptBdgA6VZ3IlyiAIhAPG42waF1aFZq7dnjP3b2jsMNUtaKYDQQSazW1AX8jgF"
client := newTestClient(func(req *http.Request) *http.Response {
if req.URL.String() == "https://public-edgeless-constellation.s3.us-east-2.amazonaws.com/someImage/measurements.json" {
if req.URL.String() == "https://cdn.confidential.cloud/constellation/v1/measurements/v999.999.999/gcp/measurements.json" {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewBufferString(measurements)),
Header: make(http.Header),
}
}
if req.URL.String() == "https://public-edgeless-constellation.s3.us-east-2.amazonaws.com/someImage/measurements.json.sig" {
if req.URL.String() == "https://cdn.confidential.cloud/constellation/v1/measurements/v999.999.999/gcp/measurements.json.sig" {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewBufferString(signature)),
Header: make(http.Header),
}
}
fmt.Println("unexpected request", req.URL.String())
return &http.Response{
StatusCode: http.StatusNotFound,
Body: io.NopCloser(bytes.NewBufferString("Not found.")),
@ -215,23 +238,12 @@ func TestConfigFetchMeasurements(t *testing.T) {
fileHandler := file.NewHandler(afero.NewMemMapFs())
gcpConfig := defaultConfigWithExpectedMeasurements(t, config.Default(), cloudprovider.GCP)
gcpConfig.Image = "someImage"
gcpConfig.Image = "v999.999.999"
err := fileHandler.WriteYAML(constants.ConfigFilename, gcpConfig, file.OptMkdirAll)
require.NoError(err)
assert.NoError(configFetchMeasurements(cmd, tc.verifier, fileHandler, client, &stubImageFetcher{
reference: "someImage",
}))
assert.NoError(configFetchMeasurements(cmd, tc.verifier, cosignPublicKey, fileHandler, client))
})
}
}
type stubImageFetcher struct {
reference string
fetchReferenceErr error
}
func (f *stubImageFetcher) FetchReference(_ context.Context, _ *config.Config) (string, error) {
return f.reference, f.fetchReferenceErr
}

27
cli/internal/cmd/upgradeplan.go
View File

@ -13,10 +13,12 @@ import (
"io"
"net/http"
"net/url"
"path"
"regexp"
"strings"
"github.com/edgelesssys/constellation/v2/cli/internal/cloudcmd"
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/edgelesssys/constellation/v2/internal/config"
"github.com/edgelesssys/constellation/v2/internal/constants"
@ -163,14 +165,20 @@ func getCompatibleImages(csp cloudprovider.Provider, currentVersion string, imag
case cloudprovider.Azure:
for imgVersion, image := range images {
if semver.Compare(currentVersion, imgVersion) < 0 {
compatibleImages[imgVersion] = config.UpgradeConfig{Image: image.AzureImage}
compatibleImages[imgVersion] = config.UpgradeConfig{
Image: image.AzureImage,
CSP: cloudprovider.Azure,
}
}
}
case cloudprovider.GCP:
for imgVersion, image := range images {
if semver.Compare(currentVersion, imgVersion) < 0 {
compatibleImages[imgVersion] = config.UpgradeConfig{Image: image.GCPImage}
compatibleImages[imgVersion] = config.UpgradeConfig{
Image: image.GCPImage,
CSP: cloudprovider.GCP,
}
}
}
}
@ -181,17 +189,26 @@ func getCompatibleImages(csp cloudprovider.Provider, currentVersion string, imag
// getCompatibleImageMeasurements retrieves the expected measurements for each image.
func getCompatibleImageMeasurements(ctx context.Context, cmd *cobra.Command, client *http.Client, rekor rekorVerifier, pubK []byte, images map[string]config.UpgradeConfig) error {
for idx, img := range images {
measurementsURL, err := url.Parse(constants.S3PublicBucket + strings.ToLower(img.Image) + "/measurements.json")
measurementsURL, err := url.Parse(constants.CDNRepositoryURL + "/" + path.Join(img.Image, strings.ToLower(img.CSP.String()), "measurements.json"))
if err != nil {
return err
}
signatureURL, err := url.Parse(constants.S3PublicBucket + strings.ToLower(img.Image) + "/measurements.json.sig")
signatureURL, err := url.Parse(constants.CDNRepositoryURL + "/" + path.Join(img.Image, strings.ToLower(img.CSP.String()), "measurements.json.sig"))
if err != nil {
return err
}
hash, err := img.Measurements.FetchAndVerify(ctx, client, measurementsURL, signatureURL, pubK)
hash, err := img.Measurements.FetchAndVerify(
ctx, client,
measurementsURL,
signatureURL,
pubK,
measurements.WithMetadata{
Image: img.Image,
CSP: img.CSP,
},
)
if err != nil {
return err
}

115
cli/internal/cmd/upgradeplan_test.go
View File

@ -192,12 +192,15 @@ func TestGetCompatibleImages(t *testing.T) {
wantImages: map[string]config.UpgradeConfig{
"v1.0.1": {
Image: "azure-v1.0.1",
CSP: cloudprovider.Azure,
},
"v1.0.2": {
Image: "azure-v1.0.2",
CSP: cloudprovider.Azure,
},
"v1.1.0": {
Image: "azure-v1.1.0",
CSP: cloudprovider.Azure,
},
},
},
@ -208,12 +211,15 @@ func TestGetCompatibleImages(t *testing.T) {
wantImages: map[string]config.UpgradeConfig{
"v1.0.1": {
Image: "gcp-v1.0.1",
CSP: cloudprovider.GCP,
},
"v1.0.2": {
Image: "gcp-v1.0.2",
CSP: cloudprovider.GCP,
},
"v1.1.0": {
Image: "gcp-v1.1.0",
CSP: cloudprovider.GCP,
},
},
},
@ -240,25 +246,42 @@ func TestGetCompatibleImageMeasurements(t *testing.T) {
testImages := map[string]config.UpgradeConfig{
"v0.0.0": {
Image: "azure-v0.0.0",
Image: "v0.0.0",
CSP: cloudprovider.Azure,
},
"v1.0.0": {
Image: "azure-v1.0.0",
Image: "v1.0.0",
CSP: cloudprovider.Azure,
},
}
client := newTestClient(func(req *http.Request) *http.Response {
if strings.HasSuffix(req.URL.String(), "/measurements.json") {
if strings.HasSuffix(req.URL.String(), "v0.0.0/azure/measurements.json") {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader("0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n")),
Body: io.NopCloser(strings.NewReader(`{"csp":"azure","image":"v0.0.0","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`)),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "/measurements.json.sig") {
if strings.HasSuffix(req.URL.String(), "v0.0.0/azure/measurements.json.sig") {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader("MEUCIBs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=")),
Body: io.NopCloser(strings.NewReader("MEQCIGRR7RaSMs892Ta06/Tz7LqPUxI05X4wQcP+nFFmZtmaAiBNl9X8mUKmUBfxg13LQBfmmpw6JwYQor5hOwM3NFVPAg==")),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "v1.0.0/azure/measurements.json") {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{"csp":"azure","image":"v1.0.0","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`)),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "v1.0.0/azure/measurements.json.sig") {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader("MEQCIFh8CVELp/Da2U2Jt404OXsUeDfqtrf3pqGRuvxnxhI8AiBTHF9tHEPwFedYG3Jgn2ELOxss+Ybc6135vEtClBrbpg==")),
Header: make(http.Header),
}
}
@ -270,7 +293,7 @@ func TestGetCompatibleImageMeasurements(t *testing.T) {
}
})
pubK := []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----")
pubK := []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----")
err := getCompatibleImageMeasurements(context.Background(), &cobra.Command{}, client, singleUUIDVerifier(), pubK, testImages)
assert.NoError(err)
@ -283,15 +306,28 @@ func TestGetCompatibleImageMeasurements(t *testing.T) {
func TestUpgradePlan(t *testing.T) {
testImages := map[string]imageManifest{
"v1.0.0": {
AzureImage: "azure-v1.0.0",
GCPImage: "gcp-v1.0.0",
},
"v2.0.0": {
AzureImage: "azure-v2.0.0",
GCPImage: "gcp-v2.0.0",
AzureImage: "v1.0.0",
GCPImage: "v1.0.0",
},
}
// Cosign private key used to sign the measurements.
// Generated with: cosign generate-key-pair
// Password left empty.
//
// -----BEGIN ENCRYPTED COSIGN PRIVATE KEY-----
// eyJrZGYiOnsibmFtZSI6InNjcnlwdCIsInBhcmFtcyI6eyJOIjozMjc2OCwiciI6
// OCwicCI6MX0sInNhbHQiOiJlRHVYMWRQMGtIWVRnK0xkbjcxM0tjbFVJaU92eFVX
// VXgvNi9BbitFVk5BPSJ9LCJjaXBoZXIiOnsibmFtZSI6Im5hY2wvc2VjcmV0Ym94
// Iiwibm9uY2UiOiJwaWhLL2txNmFXa2hqSVVHR3RVUzhTVkdHTDNIWWp4TCJ9LCJj
// aXBoZXJ0ZXh0Ijoidm81SHVWRVFWcUZ2WFlQTTVPaTVaWHM5a255bndZU2dvcyth
// VklIeHcrOGFPamNZNEtvVjVmL3lHRHR0K3BHV2toanJPR1FLOWdBbmtsazFpQ0c5
// a2czUXpPQTZsU2JRaHgvZlowRVRZQ0hLeElncEdPRVRyTDlDenZDemhPZXVSOXJ6
// TDcvRjBBVy9vUDVqZXR3dmJMNmQxOEhjck9kWE8yVmYxY2w0YzNLZjVRcnFSZzlN
// dlRxQWFsNXJCNHNpY1JaMVhpUUJjb0YwNHc9PSJ9
// -----END ENCRYPTED COSIGN PRIVATE KEY-----
pubK := "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"
testCases := map[string]struct {
planner stubUpgradePlanner
flags upgradePlanFlags
@ -311,7 +347,7 @@ func TestUpgradePlan(t *testing.T) {
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -319,14 +355,14 @@ func TestUpgradePlan(t *testing.T) {
},
"upgrades gcp": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusOK,
measurementsFetchStatus: http.StatusOK,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -341,7 +377,7 @@ func TestUpgradePlan(t *testing.T) {
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.Azure,
verifier: singleUUIDVerifier(),
@ -349,14 +385,14 @@ func TestUpgradePlan(t *testing.T) {
},
"upgrade to stdout": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusOK,
measurementsFetchStatus: http.StatusOK,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "-",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -371,7 +407,7 @@ func TestUpgradePlan(t *testing.T) {
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -379,14 +415,14 @@ func TestUpgradePlan(t *testing.T) {
},
"image fetch error": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusInternalServerError,
measurementsFetchStatus: http.StatusOK,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -394,14 +430,14 @@ func TestUpgradePlan(t *testing.T) {
},
"measurements fetch error": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusOK,
measurementsFetchStatus: http.StatusInternalServerError,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: singleUUIDVerifier(),
@ -409,14 +445,14 @@ func TestUpgradePlan(t *testing.T) {
},
"failing search should not result in error": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusOK,
measurementsFetchStatus: http.StatusOK,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: &stubRekorVerifier{
@ -427,14 +463,14 @@ func TestUpgradePlan(t *testing.T) {
},
"failing verify should not result in error": {
planner: stubUpgradePlanner{
image: "projects/constellation-images/global/images/constellation-v1-0-0",
image: "projects/constellation-images/global/images/constellation-v0-0-0",
},
imageFetchStatus: http.StatusOK,
measurementsFetchStatus: http.StatusOK,
flags: upgradePlanFlags{
configPath: constants.ConfigFilename,
filePath: "upgrade-plan.yaml",
cosignPubKey: "-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUs5fDUIz9aiwrfr8BK4VjN7jE6sl\ngz7UuXsOin8+dB0SGrbNHy7TJToa2fAiIKPVLTOfvY75DqRAtffhO1fpBA==\n-----END PUBLIC KEY-----",
cosignPubKey: pubK,
},
csp: cloudprovider.GCP,
verifier: &stubRekorVerifier{
@ -470,17 +506,32 @@ func TestUpgradePlan(t *testing.T) {
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "/measurements.json") {
if strings.HasSuffix(req.URL.String(), "azure/measurements.json") {
return &http.Response{
StatusCode: tc.measurementsFetchStatus,
Body: io.NopCloser(strings.NewReader("0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n")),
Body: io.NopCloser(strings.NewReader(`{"csp":"azure","image":"v1.0.0","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`)),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "/measurements.json.sig") {
if strings.HasSuffix(req.URL.String(), "azure/measurements.json.sig") {
return &http.Response{
StatusCode: tc.measurementsFetchStatus,
Body: io.NopCloser(strings.NewReader("MEUCIBs1g2/n0FsgPfJ+0uLD5TaunGhxwDcQcUGBroejKvg3AiEAzZtcLU9O6IiVhxB8tBS+ty6MXoPNwL8WRWMzyr35eKI=")),
Body: io.NopCloser(strings.NewReader("MEQCIFh8CVELp/Da2U2Jt404OXsUeDfqtrf3pqGRuvxnxhI8AiBTHF9tHEPwFedYG3Jgn2ELOxss+Ybc6135vEtClBrbpg==")),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "gcp/measurements.json") {
return &http.Response{
StatusCode: tc.measurementsFetchStatus,
Body: io.NopCloser(strings.NewReader(`{"csp":"gcp","image":"v1.0.0","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`)),
Header: make(http.Header),
}
}
if strings.HasSuffix(req.URL.String(), "gcp/measurements.json.sig") {
return &http.Response{
StatusCode: tc.measurementsFetchStatus,
Body: io.NopCloser(strings.NewReader("MEYCIQCr/gDGjj11mR5OeImwOLjxnBqMbBmqoK7yXqy0cXR3HQIhALpVDdYwR9VNJnWwtl8bTfrezyJbc7UNZJO4PJe+stFP")),
Header: make(http.Header),
}
}

3
hack/pcr-reader/main.go
View File

@ -22,6 +22,7 @@ import (
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/edgelesssys/constellation/v2/internal/constants"
"github.com/edgelesssys/constellation/v2/internal/crypto"
"github.com/edgelesssys/constellation/v2/verify/verifyproto"
@ -73,7 +74,7 @@ func main() {
if *metadata {
outputWithMetadata := measurements.WithMetadata{
CSP: strings.ToLower(*csp),
CSP: cloudprovider.FromString(*csp),
Image: strings.ToLower(*image),
Measurements: pcrs,
}

9
hack/pcr-reader/main_test.go
View File

@ -15,6 +15,7 @@ import (
"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/google/go-tpm-tools/proto/attest"
"github.com/google/go-tpm-tools/proto/tpm"
"github.com/stretchr/testify/assert"
@ -152,22 +153,22 @@ func TestPrintPCRs(t *testing.T) {
func TestPrintPCRsWithMetadata(t *testing.T) {
testCases := map[string]struct {
format string
csp string
csp cloudprovider.Provider
image string
}{
"json": {
format: "json",
csp: "azure",
csp: cloudprovider.Azure,
image: "v2.0.0",
},
"yaml": {
csp: "gcp",
csp: cloudprovider.GCP,
image: "v2.0.0-testimage",
format: "yaml",
},
"empty format": {
format: "",
csp: "qemu",
csp: cloudprovider.QEMU,
image: "v2.0.0-testimage",
},
"empty": {},

25
internal/attestation/measurements/measurements.go
View File

@ -40,15 +40,18 @@ type M map[uint32]Measurement
// WithMetadata is a struct supposed to provide CSP & image metadata next to measurements.
type WithMetadata struct {
CSP string `json:"csp" yaml:"csp"`
Image string `json:"image" yaml:"image"`
Measurements M `json:"measurements" yaml:"measurements"`
CSP cloudprovider.Provider `json:"csp" yaml:"csp"`
Image string `json:"image" yaml:"image"`
Measurements M `json:"measurements" yaml:"measurements"`
}
// FetchAndVerify fetches measurement and signature files via provided URLs,
// using client for download. The publicKey is used to verify the measurements.
// The hash of the fetched measurements is returned.
func (m *M) FetchAndVerify(ctx context.Context, client *http.Client, measurementsURL *url.URL, signatureURL *url.URL, publicKey []byte) (string, error) {
func (m *M) FetchAndVerify(
ctx context.Context, client *http.Client, measurementsURL, signatureURL *url.URL,
publicKey []byte, metadata WithMetadata,
) (string, error) {
measurements, err := getFromURL(ctx, client, measurementsURL)
if err != nil {
return "", fmt.Errorf("failed to fetch measurements: %w", err)
@ -61,8 +64,9 @@ func (m *M) FetchAndVerify(ctx context.Context, client *http.Client, measurement
return "", err
}
if err := json.Unmarshal(measurements, m); err != nil {
if yamlErr := yaml.Unmarshal(measurements, m); yamlErr != nil {
var mWithMetadata WithMetadata
if err := json.Unmarshal(measurements, &mWithMetadata); err != nil {
if yamlErr := yaml.Unmarshal(measurements, &mWithMetadata); yamlErr != nil {
return "", multierr.Append(
err,
fmt.Errorf("trying yaml format: %w", yamlErr),
@ -70,6 +74,15 @@ func (m *M) FetchAndVerify(ctx context.Context, client *http.Client, measurement
}
}
if mWithMetadata.CSP != metadata.CSP {
return "", fmt.Errorf("invalid measurement metadata: CSP mismatch: expected %s, got %s", metadata.CSP, mWithMetadata.CSP)
}
if mWithMetadata.Image != metadata.Image {
return "", fmt.Errorf("invalid measurement metadata: image mismatch: expected %s, got %s", metadata.Image, mWithMetadata.Image)
}
*m = mWithMetadata.Measurements
shaHash := sha256.Sum256(measurements)
return hex.EncodeToString(shaHash[:]), nil

75
internal/attestation/measurements/measurements_test.go
View File

@ -15,6 +15,7 @@ import (
"strings"
"testing"
"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v3"
@ -278,80 +279,86 @@ func TestMeasurementsFetchAndVerify(t *testing.T) {
// TDcvRjBBVy9vUDVqZXR3dmJMNmQxOEhjck9kWE8yVmYxY2w0YzNLZjVRcnFSZzlN
// dlRxQWFsNXJCNHNpY1JaMVhpUUJjb0YwNHc9PSJ9
// -----END ENCRYPTED COSIGN PRIVATE KEY-----
cosignPublicKey := []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----")
testCases := map[string]struct {
measurements string
metadata WithMetadata
measurementsStatus int
signature string
signatureStatus int
publicKey []byte
wantMeasurements M
wantSHA string
wantError bool
}{
"simple": {
measurements: "0: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\n",
measurementsStatus: http.StatusOK,
signature: "MEUCIQDcHS2bLls7OrLHpQKuiFGXhPrTcehPDwgVyERHl4V02wIgeIxK4J9oJpXWRBjokbog2lgifRXuJK8ljlAID26MbHk=",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantMeasurements: M{
0: WithAllBytes(0x00, false),
},
wantSHA: "4cd9d6ed8d9322150dff7738994c5e2fabff35f3bae6f5c993412d13249a5e87",
},
"json measurements": {
measurements: `{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}`,
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "MEUCIQDh3nCgrdTiYWiV4NkiaZ6vxovj79Pk8V90mdWAnmCEOwIgMAVWAx5dW0saut+8X15SgtBEiKqEixYiSICSqqhxUMg=",
signature: "MEYCIQD1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantMeasurements: M{
0: WithAllBytes(0x00, false),
},
wantSHA: "1da09758c89537946496358f80b892e508563fcbbc695c90b6c16bf158e69c11",
wantSHA: "c04e13c1312b6f5659303871d14bf49b05c99a6515548763b6322f60bbb61a24",
},
"yaml measurements": {
measurements: "0:\n expected: \"0000000000000000000000000000000000000000000000000000000000000000\"\n warnOnly: false\n",
measurements: "csp: test\nimage: test\nmeasurements:\n 0:\n expected: \"0000000000000000000000000000000000000000000000000000000000000000\"\n warnOnly: false\n",
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "MEUCIFzQdwBS92aJjY0bcIag1uQRl42lUSBmmjEvO0tM/N0ZAiEAvuWaP744qYMw5uEmc7BY4mm4Ij3TEqAWFgxNhFkckp4=",
signature: "MEUCIQC9WI2ijlQjBktYFctKpbnqkUTey3U9W99Jp1NTLi5AbQIgNZxxOtiawgTkWPXLoH9D2CxpEjxQrqLn/zWF6NoKxWQ=",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantMeasurements: M{
0: WithAllBytes(0x00, false),
},
wantSHA: "c651cd419fd536c63cfc5349ad44da140a09987465e31192660059d383413807",
wantSHA: "648fcfd5d22e623a948ab2dd4eb334be2701d8f158231726084323003daab8d4",
},
"404 measurements": {
measurements: `{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}`,
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusNotFound,
signature: "MEUCIQDh3nCgrdTiYWiV4NkiaZ6vxovj79Pk8V90mdWAnmCEOwIgMAVWAx5dW0saut+8X15SgtBEiKqEixYiSICSqqhxUMg=",
signature: "MEYCIQD1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantError: true,
},
"404 signature": {
measurements: `{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}`,
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "MEUCIQDh3nCgrdTiYWiV4NkiaZ6vxovj79Pk8V90mdWAnmCEOwIgMAVWAx5dW0saut+8X15SgtBEiKqEixYiSICSqqhxUMg=",
signature: "MEYCIQD1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusNotFound,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantError: true,
},
"broken signature": {
measurements: `{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}`,
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "AAAAAAAA3nCgrdTiYWiV4NkiaZ6vxovj79Pk8V90mdWAnmCEOwIgMAVWAx5dW0saut+8X15SgtBEiKqEixYiSICSqqhxUMg=",
signature: "AAAAAAA1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusOK,
wantError: true,
},
"metadata CSP mismatch": {
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.GCP, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "MEYCIQD1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusOK,
wantError: true,
},
"metadata image mismatch": {
measurements: `{"csp":"test","image":"test","measurements":{"0":{"expected":"0000000000000000000000000000000000000000000000000000000000000000","warnOnly":false}}}`,
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "another-image"},
measurementsStatus: http.StatusOK,
signature: "MEYCIQD1RR91pWPw1BMWXTSmTBHg/JtfKerbZNQ9PJTWDdW0sgIhANQbETJGb67qzQmMVmcq007VUFbHRMtYWKZeeyRf0gVa",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantError: true,
},
"not yaml or json": {
measurements: "This is some content to be signed!\n",
metadata: WithMetadata{CSP: cloudprovider.Unknown, Image: "test"},
measurementsStatus: http.StatusOK,
signature: "MEUCIQCGA/lSu5qCJgNNvgMaTKJ9rj6vQMecUDaQo3ukaiAfUgIgWoxXRoDKLY9naN7YgxokM7r2fwnyYk3M2WKJJO1g6yo=",
signatureStatus: http.StatusOK,
publicKey: []byte("-----BEGIN PUBLIC KEY-----\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEu78QgxOOcao6U91CSzEXxrKhvFTt\nJHNy+eX6EMePtDm8CnDF9HSwnTlD0itGJ/XHPQA5YX10fJAqI1y+ehlFMw==\n-----END PUBLIC KEY-----"),
wantError: true,
},
}
@ -386,7 +393,13 @@ func TestMeasurementsFetchAndVerify(t *testing.T) {
})
m := M{}
hash, err := m.FetchAndVerify(context.Background(), client, measurementsURL, signatureURL, tc.publicKey)
hash, err := m.FetchAndVerify(
context.Background(), client,
measurementsURL, signatureURL,
cosignPublicKey,
tc.metadata,
)
if tc.wantError {
assert.Error(err)

15
internal/cloud/cloudprovider/cloudprovider.go
View File

@ -44,6 +44,21 @@ func (p *Provider) UnmarshalJSON(b []byte) error {
return nil
}
// MarshalYAML marshals the Provider to YAML string.
func (p Provider) MarshalYAML() (interface{}, error) {
return p.String(), nil
}
// UnmarshalYAML unmarshals the Provider from YAML string.
func (p *Provider) UnmarshalYAML(unmarshal func(any) error) error {
var s string
if err := unmarshal(&s); err != nil {
return err
}
*p = FromString(s)
return nil
}
// FromString returns cloud provider from string.
func FromString(s string) Provider {
s = strings.ToLower(s)

94
internal/cloud/cloudprovider/cloudprovider_test.go
View File

@ -7,9 +7,11 @@ SPDX-License-Identifier: AGPL-3.0-only
package cloudprovider
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
"gopkg.in/yaml.v3"
)
func TestMarshalJSON(t *testing.T) {
@ -43,7 +45,7 @@ func TestMarshalJSON(t *testing.T) {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
b, err := tc.input.MarshalJSON()
b, err := json.Marshal(tc.input)
assert.NoError(err)
assert.Equal(tc.want, b)
@ -88,7 +90,95 @@ func TestUnmarshalJSON(t *testing.T) {
assert := assert.New(t)
var p Provider
err := p.UnmarshalJSON(tc.input)
err := json.Unmarshal(tc.input, &p)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
assert.Equal(tc.want, p)
}
})
}
}
func TestMarshalYAML(t *testing.T) {
testCases := map[string]struct {
input Provider
want []byte
}{
"unknown": {
input: Unknown,
want: []byte("Unknown\n"),
},
"aws": {
input: AWS,
want: []byte("AWS\n"),
},
"azure": {
input: Azure,
want: []byte("Azure\n"),
},
"gcp": {
input: GCP,
want: []byte("GCP\n"),
},
"qemu": {
input: QEMU,
want: []byte("QEMU\n"),
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
b, err := yaml.Marshal(tc.input)
assert.NoError(err)
assert.Equal(tc.want, b)
})
}
}
func TestUnmarshalYAML(t *testing.T) {
testCases := map[string]struct {
input []byte
want Provider
wantErr bool
}{
"empty": {
input: []byte("foo: bar\n"),
wantErr: true,
},
"unknown": {
input: []byte("unknown\n"),
want: Unknown,
},
"aws": {
input: []byte("aws\n"),
want: AWS,
},
"azure": {
input: []byte("azure\n"),
want: Azure,
},
"gcp": {
input: []byte("gcp\n"),
want: GCP,
},
"qemu": {
input: []byte("qemu\n"),
want: QEMU,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
var p Provider
err := yaml.Unmarshal(tc.input, &p)
if tc.wantErr {
assert.Error(err)

4
internal/config/config.go
View File

@ -73,6 +73,10 @@ type UpgradeConfig struct {
// description: |
// Measurements of the updated image.
Measurements Measurements `yaml:"measurements"`
// description: |
// temporary field for upgrade migration
// TODO(AB#2654): Remove with refactoring upgrade plan command
CSP cloudprovider.Provider `yaml:"csp"`
}
// ProviderConfig are cloud-provider specific configuration values used by the CLI.

7
internal/config/config_doc.go
View File

@ -74,7 +74,7 @@ func init() {
FieldName: "upgrade",
},
}
UpgradeConfigDoc.Fields = make([]encoder.Doc, 2)
UpgradeConfigDoc.Fields = make([]encoder.Doc, 3)
UpgradeConfigDoc.Fields[0].Name = "image"
UpgradeConfigDoc.Fields[0].Type = "string"
UpgradeConfigDoc.Fields[0].Note = ""
@ -85,6 +85,11 @@ func init() {
UpgradeConfigDoc.Fields[1].Note = ""
UpgradeConfigDoc.Fields[1].Description = "Measurements of the updated image."
UpgradeConfigDoc.Fields[1].Comments[encoder.LineComment] = "Measurements of the updated image."
UpgradeConfigDoc.Fields[2].Name = "csp"
UpgradeConfigDoc.Fields[2].Type = "Provider"
UpgradeConfigDoc.Fields[2].Note = ""
UpgradeConfigDoc.Fields[2].Description = "temporary field for upgrade migration\nTODO(AB#2654): Remove with refactoring upgrade plan command"
UpgradeConfigDoc.Fields[2].Comments[encoder.LineComment] = "temporary field for upgrade migration"
ProviderConfigDoc.Type = "ProviderConfig"
ProviderConfigDoc.Comments[encoder.LineComment] = "ProviderConfig are cloud-provider specific configuration values used by the CLI."

18
internal/constants/constants.go
View File

@ -148,18 +148,12 @@ const (
// Releases.
//
// S3PublicBucket contains measurements & releases.
S3PublicBucket = "https://public-edgeless-constellation.s3.us-east-2.amazonaws.com/"
// CosignPublicKey signs all our releases.
CosignPublicKey = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEf8F1hpmwE+YCFXzjGtaQcrL6XZVT
JmEe5iSLvG1SyQSAew7WdMKF6o9t8e2TFuCkzlOhhlws2OHWbiFZnFWCFw==
-----END PUBLIC KEY-----
`
// ImageVersionRepositoryURL is the base URL of the repository containing
// image version information.
ImageVersionRepositoryURL = "https://cdn.confidential.cloud"
// CDNRepositoryURL is the base URL of the Constellation CDN artifact repository.
CDNRepositoryURL = "https://cdn.confidential.cloud"
// CDNImagePath is the default path to image references in the CDN repository.
CDNImagePath = "constellation/v1/images"
// CDNMeasurementsPath is the default path to image measurements in the CDN repository.
CDNMeasurementsPath = "constellation/v1/measurements"
)
// VersionInfo is the version of a binary. Left as a separate variable to allow override during build.

16
internal/constants/keys_enterprise.go Normal file
View File

@ -0,0 +1,16 @@
//go:build enterprise
/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package constants
// CosignPublicKey signs all our releases.
const CosignPublicKey = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEf8F1hpmwE+YCFXzjGtaQcrL6XZVT
JmEe5iSLvG1SyQSAew7WdMKF6o9t8e2TFuCkzlOhhlws2OHWbiFZnFWCFw==
-----END PUBLIC KEY-----
`

16
internal/constants/keys_oss.go Normal file
View File

@ -0,0 +1,16 @@
//go:build !enterprise
/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package constants
// CosignPublicKey signs all our development builds.
const CosignPublicKey = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAELcPl4Ik+qZuH4K049wksoXK/Os3Z
b92PDCpM7FZAINQF88s1TZS/HmRXYk62UJ4eqPduvUnJmXhNikhLbMi6fw==
-----END PUBLIC KEY-----
`

4
internal/image/image.go
View File

@ -125,12 +125,12 @@ func getFromFile(fs *afero.Afero, version string) ([]byte, error) {
// getFromURL fetches the image lookup table from a URL.
func getFromURL(ctx context.Context, client httpc, version string) ([]byte, error) {
url, err := url.Parse(constants.ImageVersionRepositoryURL)
url, err := url.Parse(constants.CDNRepositoryURL)
if err != nil {
return nil, fmt.Errorf("parsing image version repository URL: %w", err)
}
versionFilename := path.Base(version) + ".json"
url.Path = path.Join("constellation/v1/images", versionFilename)
url.Path = path.Join(constants.CDNImagePath, versionFilename)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url.String(), http.NoBody)
if err != nil {
return nil, err