mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-10-01 01:36:09 -04:00
467 lines
16 KiB
Go
467 lines
16 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 cmd
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import (
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"bytes"
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"context"
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"encoding/base64"
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"encoding/json"
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"errors"
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"net"
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"strconv"
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"strings"
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"testing"
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"github.com/edgelesssys/constellation/v2/cli/internal/clusterid"
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"github.com/edgelesssys/constellation/v2/internal/atls"
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"github.com/edgelesssys/constellation/v2/internal/attestation/measurements"
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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/config"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/file"
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"github.com/edgelesssys/constellation/v2/internal/grpc/dialer"
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"github.com/edgelesssys/constellation/v2/internal/grpc/testdialer"
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"github.com/edgelesssys/constellation/v2/internal/logger"
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"github.com/edgelesssys/constellation/v2/verify/verifyproto"
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"github.com/spf13/afero"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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rpcStatus "google.golang.org/grpc/status"
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)
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func TestVerify(t *testing.T) {
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zeroBase64 := base64.StdEncoding.EncodeToString([]byte("00000000000000000000000000000000"))
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someErr := errors.New("failed")
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testCases := map[string]struct {
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provider cloudprovider.Provider
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protoClient *stubVerifyClient
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formatter *stubAttDocFormatter
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nodeEndpointFlag string
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clusterIDFlag string
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idFile *clusterid.File
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wantEndpoint string
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skipConfigCreation bool
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wantErr bool
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}{
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"gcp": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: "192.0.2.1:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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wantEndpoint: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{},
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},
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"azure": {
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provider: cloudprovider.Azure,
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nodeEndpointFlag: "192.0.2.1:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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wantEndpoint: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{},
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},
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"default port": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: "192.0.2.1",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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wantEndpoint: "192.0.2.1:" + strconv.Itoa(constants.VerifyServiceNodePortGRPC),
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formatter: &stubAttDocFormatter{},
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},
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"endpoint not set": {
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provider: cloudprovider.GCP,
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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formatter: &stubAttDocFormatter{},
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wantErr: true,
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},
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"endpoint from id file": {
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provider: cloudprovider.GCP,
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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idFile: &clusterid.File{IP: "192.0.2.1"},
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wantEndpoint: "192.0.2.1:" + strconv.Itoa(constants.VerifyServiceNodePortGRPC),
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formatter: &stubAttDocFormatter{},
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},
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"override endpoint from details file": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: "192.0.2.2:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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idFile: &clusterid.File{IP: "192.0.2.1"},
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wantEndpoint: "192.0.2.2:1234",
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formatter: &stubAttDocFormatter{},
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},
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"invalid endpoint": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: ":::::",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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formatter: &stubAttDocFormatter{},
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wantErr: true,
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},
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"neither owner id nor cluster id set": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{},
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wantErr: true,
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},
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"use owner id from id file": {
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provider: cloudprovider.GCP,
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nodeEndpointFlag: "192.0.2.1:1234",
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protoClient: &stubVerifyClient{},
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idFile: &clusterid.File{OwnerID: zeroBase64},
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wantEndpoint: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{},
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},
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"config file not existing": {
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provider: cloudprovider.GCP,
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clusterIDFlag: zeroBase64,
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nodeEndpointFlag: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{},
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skipConfigCreation: true,
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wantErr: true,
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},
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"error protoClient GetState": {
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provider: cloudprovider.Azure,
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nodeEndpointFlag: "192.0.2.1:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{verifyErr: rpcStatus.Error(codes.Internal, "failed")},
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formatter: &stubAttDocFormatter{},
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wantErr: true,
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},
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"error protoClient GetState not rpc": {
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provider: cloudprovider.Azure,
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nodeEndpointFlag: "192.0.2.1:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{verifyErr: someErr},
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formatter: &stubAttDocFormatter{},
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wantErr: true,
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},
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"format error": {
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provider: cloudprovider.Azure,
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nodeEndpointFlag: "192.0.2.1:1234",
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clusterIDFlag: zeroBase64,
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protoClient: &stubVerifyClient{},
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wantEndpoint: "192.0.2.1:1234",
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formatter: &stubAttDocFormatter{formatErr: someErr},
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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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cmd := NewVerifyCmd()
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cmd.Flags().String("workspace", "", "") // register persistent flag manually
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cmd.Flags().Bool("force", true, "") // register persistent flag manually
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out := &bytes.Buffer{}
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cmd.SetOut(out)
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cmd.SetErr(&bytes.Buffer{})
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if tc.clusterIDFlag != "" {
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require.NoError(cmd.Flags().Set("cluster-id", tc.clusterIDFlag))
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}
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if tc.nodeEndpointFlag != "" {
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require.NoError(cmd.Flags().Set("node-endpoint", tc.nodeEndpointFlag))
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}
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fileHandler := file.NewHandler(afero.NewMemMapFs())
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if !tc.skipConfigCreation {
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cfg := defaultConfigWithExpectedMeasurements(t, config.Default(), tc.provider)
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require.NoError(fileHandler.WriteYAML(constants.ConfigFilename, cfg))
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}
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if tc.idFile != nil {
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require.NoError(fileHandler.WriteJSON(constants.ClusterIDsFilename, tc.idFile, file.OptNone))
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}
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v := &verifyCmd{log: logger.NewTest(t)}
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err := v.verify(cmd, fileHandler, tc.protoClient, tc.formatter, stubAttestationFetcher{})
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if tc.wantErr {
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assert.Error(err)
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} else {
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assert.NoError(err)
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assert.Contains(out.String(), "OK")
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assert.Equal(tc.wantEndpoint, tc.protoClient.endpoint)
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}
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})
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}
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}
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type stubAttDocFormatter struct {
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formatErr error
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}
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func (f *stubAttDocFormatter) format(_ context.Context, _ string, _ bool, _ bool, _ measurements.M, _ string) (string, error) {
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return "", f.formatErr
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}
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func TestFormat(t *testing.T) {
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formatter := func() *attestationDocFormatterImpl {
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return &attestationDocFormatterImpl{
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log: logger.NewTest(t),
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}
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}
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testCases := map[string]struct {
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formatter *attestationDocFormatterImpl
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doc string
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wantErr bool
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}{
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"invalid doc": {
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formatter: formatter(),
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doc: "invalid",
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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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_, err := tc.formatter.format(context.Background(), tc.doc, false, false, nil, "")
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if tc.wantErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestParseCerts(t *testing.T) {
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formatter := func() *attestationDocFormatterImpl {
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return &attestationDocFormatterImpl{
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log: logger.NewTest(t),
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}
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}
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validCert := `-----BEGIN CERTIFICATE-----
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MIIFTDCCAvugAwIBAgIBADBGBgkqhkiG9w0BAQowOaAPMA0GCWCGSAFlAwQCAgUA
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oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAgUAogMCATCjAwIBATB7MRQwEgYD
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VQQLDAtFbmdpbmVlcmluZzELMAkGA1UEBhMCVVMxFDASBgNVBAcMC1NhbnRhIENs
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YXJhMQswCQYDVQQIDAJDQTEfMB0GA1UECgwWQWR2YW5jZWQgTWljcm8gRGV2aWNl
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czESMBAGA1UEAwwJU0VWLU1pbGFuMB4XDTIyMTEyMzIyMzM0N1oXDTI5MTEyMzIy
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MzM0N1owejEUMBIGA1UECwwLRW5naW5lZXJpbmcxCzAJBgNVBAYTAlVTMRQwEgYD
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VQQHDAtTYW50YSBDbGFyYTELMAkGA1UECAwCQ0ExHzAdBgNVBAoMFkFkdmFuY2Vk
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IE1pY3JvIERldmljZXMxETAPBgNVBAMMCFNFVi1WQ0VLMHYwEAYHKoZIzj0CAQYF
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K4EEACIDYgAEVGm4GomfpkiziqEYP61nfKaz5OjDLr8Y0POrv4iAnFVHAmBT81Ms
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gfSLKL5r3V3mNzl1Zh7jwSBft14uhGdwpARoK0YNQc4OvptqVIiv2RprV53DMzge
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rtwiumIargiCo4IBFjCCARIwEAYJKwYBBAGceAEBBAMCAQAwFwYJKwYBBAGceAEC
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BAoWCE1pbGFuLUIwMBEGCisGAQQBnHgBAwEEAwIBAzARBgorBgEEAZx4AQMCBAMC
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AQAwEQYKKwYBBAGceAEDBAQDAgEAMBEGCisGAQQBnHgBAwUEAwIBADARBgorBgEE
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AZx4AQMGBAMCAQAwEQYKKwYBBAGceAEDBwQDAgEAMBEGCisGAQQBnHgBAwMEAwIB
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CDARBgorBgEEAZx4AQMIBAMCAXMwTQYJKwYBBAGceAEEBEB80kCZ1oAyCjWC6w3m
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xOz+i4t6dFjk/Bqhm7+Jscf8D62CXtlwcKc4aM9CdO4LuKlwpdTU80VNQc6ZEuMF
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VzbRMEYGCSqGSIb3DQEBCjA5oA8wDQYJYIZIAWUDBAICBQChHDAaBgkqhkiG9w0B
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AQgwDQYJYIZIAWUDBAICBQCiAwIBMKMDAgEBA4ICAQCN1qBYOywoZWGnQvk6u0Oh
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5zkEKykXU6sK8hA6L65rQcqWUjEHDa9AZUpx3UuCmpPc24dx6DTHc58M7TxcyKry
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8s4CvruBKFbQ6B8MHnH6k07MzsmiBnsiIhAscZ0ipGm6h8e/VM/6ULrAcVSxZ+Mh
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D/IogZAuCQARsGQ4QYXBT8Qc5mLnTkx30m1rZVlp1VcN4ngOo/1tz1jj1mfpG2zv
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wNcQa9LwAzRLnnmLpxXA2OMbl7AaTWQenpL9rzBON2sg4OBl6lVhaSU0uBbFyCmR
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RvBqKC0iDD6TvyIikkMq05v5YwIKFYw++ICndz+fKcLEULZbziAsZ52qjM8iPVHC
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pN0yhVOr2g22F9zxlGH3WxTl9ymUytuv3vJL/aJiQM+n/Ri90Sc05EK4oIJ3+BS8
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yu5cVy9o2cQcOcQ8rhQh+Kv1sR9xrs25EXZF8KEETfhoJnN6KY1RwG7HsOfAQ3dV
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LWInQRaC/8JPyVS2zbd0+NRBJOnq4/quv/P3C4SBP98/ZuGrqN59uifyqC3Kodkl
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WkG/2UdhiLlCmOtsU+BYDZrSiYK1R9FNnlQCOGrkuVxpDwa2TbbvEEzQP7RXxotA
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KlxejvrY4VuK8agNqvffVofbdIIperK65K4+0mYIb+A6fU8QQHlCbti4ERSZ6UYD
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F/SjRih31+SAtWb42jueAA==
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-----END CERTIFICATE-----
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`
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validCertExpected := "\tRaw Some Cert:\n\t\t-----BEGIN CERTIFICATE-----\n\t\tMIIFTDCCAvugAwIBAgIBADBGBgkqhkiG9w0BAQowOaAPMA0GCWCGSAFlAwQCAgUA\n\t\toRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAgUAogMCATCjAwIBATB7MRQwEgYD\n\t\tVQQLDAtFbmdpbmVlcmluZzELMAkGA1UEBhMCVVMxFDASBgNVBAcMC1NhbnRhIENs\n\t\tYXJhMQswCQYDVQQIDAJDQTEfMB0GA1UECgwWQWR2YW5jZWQgTWljcm8gRGV2aWNl\n\t\tczESMBAGA1UEAwwJU0VWLU1pbGFuMB4XDTIyMTEyMzIyMzM0N1oXDTI5MTEyMzIy\n\t\tMzM0N1owejEUMBIGA1UECwwLRW5naW5lZXJpbmcxCzAJBgNVBAYTAlVTMRQwEgYD\n\t\tVQQHDAtTYW50YSBDbGFyYTELMAkGA1UECAwCQ0ExHzAdBgNVBAoMFkFkdmFuY2Vk\n\t\tIE1pY3JvIERldmljZXMxETAPBgNVBAMMCFNFVi1WQ0VLMHYwEAYHKoZIzj0CAQYF\n\t\tK4EEACIDYgAEVGm4GomfpkiziqEYP61nfKaz5OjDLr8Y0POrv4iAnFVHAmBT81Ms\n\t\tgfSLKL5r3V3mNzl1Zh7jwSBft14uhGdwpARoK0YNQc4OvptqVIiv2RprV53DMzge\n\t\trtwiumIargiCo4IBFjCCARIwEAYJKwYBBAGceAEBBAMCAQAwFwYJKwYBBAGceAEC\n\t\tBAoWCE1pbGFuLUIwMBEGCisGAQQBnHgBAwEEAwIBAzARBgorBgEEAZx4AQMCBAMC\n\t\tAQAwEQYKKwYBBAGceAEDBAQDAgEAMBEGCisGAQQBnHgBAwUEAwIBADARBgorBgEE\n\t\tAZx4AQMGBAMCAQAwEQYKKwYBBAGceAEDBwQDAgEAMBEGCisGAQQBnHgBAwMEAwIB\n\t\tCDARBgorBgEEAZx4AQMIBAMCAXMwTQYJKwYBBAGceAEEBEB80kCZ1oAyCjWC6w3m\n\t\txOz+i4t6dFjk/Bqhm7+Jscf8D62CXtlwcKc4aM9CdO4LuKlwpdTU80VNQc6ZEuMF\n\t\tVzbRMEYGCSqGSIb3DQEBCjA5oA8wDQYJYIZIAWUDBAICBQChHDAaBgkqhkiG9w0B\n\t\tAQgwDQYJYIZIAWUDBAICBQCiAwIBMKMDAgEBA4ICAQCN1qBYOywoZWGnQvk6u0Oh\n\t\t5zkEKykXU6sK8hA6L65rQcqWUjEHDa9AZUpx3UuCmpPc24dx6DTHc58M7TxcyKry\n\t\t8s4CvruBKFbQ6B8MHnH6k07MzsmiBnsiIhAscZ0ipGm6h8e/VM/6ULrAcVSxZ+Mh\n\t\tD/IogZAuCQARsGQ4QYXBT8Qc5mLnTkx30m1rZVlp1VcN4ngOo/1tz1jj1mfpG2zv\n\t\twNcQa9LwAzRLnnmLpxXA2OMbl7AaTWQenpL9rzBON2sg4OBl6lVhaSU0uBbFyCmR\n\t\tRvBqKC0iDD6TvyIikkMq05v5YwIKFYw++ICndz+fKcLEULZbziAsZ52qjM8iPVHC\n\t\tpN0yhVOr2g22F9zxlGH3WxTl9ymUytuv3vJL/aJiQM+n/Ri90Sc05EK4oIJ3+BS8\n\t\tyu5cVy9o2cQcOcQ8rhQh+Kv1sR9xrs25EXZF8KEETfhoJnN6KY1RwG7HsOfAQ3dV\n\t\tLWInQRaC/8JPyVS2zbd0+NRBJOnq4/quv/P3C4SBP98/ZuGrqN59uifyqC3Kodkl\n\t\tWkG/2UdhiLlCmOtsU+BYDZrSiYK1R9FNnlQCOGrkuVxpDwa2TbbvEEzQP7RXxotA\n\t\tKlxejvrY4VuK8agNqvffVofbdIIperK65K4+0mYIb+A6fU8QQHlCbti4ERSZ6UYD\n\t\tF/SjRih31+SAtWb42jueAA==\n\t\t-----END CERTIFICATE-----\n\tSome Cert (1):\n\t\tSerial Number: 0\n\t\tSubject: CN=SEV-VCEK,OU=Engineering,O=Advanced Micro Devices,L=Santa Clara,ST=CA,C=US\n\t\tIssuer: CN=SEV-Milan,OU=Engineering,O=Advanced Micro Devices,L=Santa Clara,ST=CA,C=US\n\t\tNot Before: 2022-11-23 22:33:47 +0000 UTC\n\t\tNot After: 2029-11-23 22:33:47 +0000 UTC\n\t\tSignature Algorithm: SHA384-RSAPSS\n\t\tPublic Key Algorithm: ECDSA\n"
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testCases := map[string]struct {
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formatter *attestationDocFormatterImpl
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cert []byte
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expected string
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wantErr bool
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}{
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"one cert": {
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formatter: formatter(),
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cert: []byte(validCert),
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expected: validCertExpected,
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},
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"invalid cert": {
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formatter: formatter(),
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cert: []byte("invalid"),
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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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b := &strings.Builder{}
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err := tc.formatter.parseCerts(b, "Some Cert", tc.cert)
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if tc.wantErr {
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assert.Error(err)
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} else {
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assert.NoError(err)
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assert.Equal(tc.expected, b.String())
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}
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})
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}
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}
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func TestVerifyClient(t *testing.T) {
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testCases := map[string]struct {
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attestationDoc atls.FakeAttestationDoc
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nonce []byte
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attestationErr error
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wantErr bool
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}{
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"success": {
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attestationDoc: atls.FakeAttestationDoc{
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UserData: []byte(constants.ConstellationVerifyServiceUserData),
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Nonce: []byte("nonce"),
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},
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nonce: []byte("nonce"),
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},
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"attestation error": {
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attestationDoc: atls.FakeAttestationDoc{
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UserData: []byte(constants.ConstellationVerifyServiceUserData),
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Nonce: []byte("nonce"),
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},
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nonce: []byte("nonce"),
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attestationErr: errors.New("error"),
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wantErr: true,
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},
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"user data does not match": {
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attestationDoc: atls.FakeAttestationDoc{
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UserData: []byte("wrong user data"),
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Nonce: []byte("nonce"),
|
|
},
|
|
nonce: []byte("nonce"),
|
|
wantErr: true,
|
|
},
|
|
"nonce does not match": {
|
|
attestationDoc: atls.FakeAttestationDoc{
|
|
UserData: []byte(constants.ConstellationVerifyServiceUserData),
|
|
Nonce: []byte("wrong nonce"),
|
|
},
|
|
nonce: []byte("nonce"),
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
require := require.New(t)
|
|
|
|
attestation, err := json.Marshal(tc.attestationDoc)
|
|
require.NoError(err)
|
|
verifyAPI := &stubVerifyAPI{
|
|
attestation: &verifyproto.GetAttestationResponse{Attestation: attestation},
|
|
attestationErr: tc.attestationErr,
|
|
}
|
|
|
|
netDialer := testdialer.NewBufconnDialer()
|
|
dialer := dialer.New(nil, nil, netDialer)
|
|
verifyServer := grpc.NewServer()
|
|
verifyproto.RegisterAPIServer(verifyServer, verifyAPI)
|
|
|
|
addr := net.JoinHostPort("192.0.2.1", strconv.Itoa(constants.VerifyServiceNodePortGRPC))
|
|
listener := netDialer.GetListener(addr)
|
|
go verifyServer.Serve(listener)
|
|
defer verifyServer.GracefulStop()
|
|
|
|
verifier := &constellationVerifier{dialer: dialer, log: logger.NewTest(t)}
|
|
request := &verifyproto.GetAttestationRequest{
|
|
Nonce: tc.nonce,
|
|
}
|
|
|
|
_, err = verifier.Verify(context.Background(), addr, request, atls.NewFakeValidator(variant.Dummy{}))
|
|
|
|
if tc.wantErr {
|
|
assert.Error(err)
|
|
} else {
|
|
assert.NoError(err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type stubVerifyClient struct {
|
|
verifyErr error
|
|
endpoint string
|
|
}
|
|
|
|
func (c *stubVerifyClient) Verify(_ context.Context, endpoint string, _ *verifyproto.GetAttestationRequest, _ atls.Validator) (string, error) {
|
|
c.endpoint = endpoint
|
|
return "", c.verifyErr
|
|
}
|
|
|
|
type stubVerifyAPI struct {
|
|
attestation *verifyproto.GetAttestationResponse
|
|
attestationErr error
|
|
verifyproto.UnimplementedAPIServer
|
|
}
|
|
|
|
func (a stubVerifyAPI) GetAttestation(context.Context, *verifyproto.GetAttestationRequest) (*verifyproto.GetAttestationResponse, error) {
|
|
return a.attestation, a.attestationErr
|
|
}
|
|
|
|
func TestAddPortIfMissing(t *testing.T) {
|
|
testCases := map[string]struct {
|
|
endpoint string
|
|
defaultPort int
|
|
wantResult string
|
|
wantErr bool
|
|
}{
|
|
"ip and port": {
|
|
endpoint: "192.0.2.1:2",
|
|
defaultPort: 3,
|
|
wantResult: "192.0.2.1:2",
|
|
},
|
|
"hostname and port": {
|
|
endpoint: "foo:2",
|
|
defaultPort: 3,
|
|
wantResult: "foo:2",
|
|
},
|
|
"ip": {
|
|
endpoint: "192.0.2.1",
|
|
defaultPort: 3,
|
|
wantResult: "192.0.2.1:3",
|
|
},
|
|
"hostname": {
|
|
endpoint: "foo",
|
|
defaultPort: 3,
|
|
wantResult: "foo:3",
|
|
},
|
|
"empty endpoint": {
|
|
endpoint: "",
|
|
defaultPort: 3,
|
|
wantErr: true,
|
|
},
|
|
"invalid endpoint": {
|
|
endpoint: "foo:2:2",
|
|
defaultPort: 3,
|
|
wantErr: true,
|
|
},
|
|
}
|
|
|
|
for name, tc := range testCases {
|
|
t.Run(name, func(t *testing.T) {
|
|
assert := assert.New(t)
|
|
require := require.New(t)
|
|
|
|
res, err := addPortIfMissing(tc.endpoint, tc.defaultPort)
|
|
if tc.wantErr {
|
|
assert.Error(err)
|
|
return
|
|
}
|
|
|
|
require.NoError(err)
|
|
assert.Equal(tc.wantResult, res)
|
|
})
|
|
}
|
|
}
|