docs/server/handlers/validation_test.go

1485 lines
49 KiB
Go

package handlers
import (
"bytes"
"path"
"testing"
"time"
"github.com/docker/go/canonical/json"
"github.com/docker/notary/server/storage"
"github.com/docker/notary/trustpinning"
"github.com/docker/notary/tuf"
"github.com/docker/notary/tuf/data"
"github.com/docker/notary/tuf/signed"
"github.com/docker/notary/tuf/testutils"
"github.com/docker/notary/tuf/validation"
"github.com/stretchr/testify/require"
)
// this is a fake storage that serves errors
type getFailStore struct {
errsToReturn map[string]error
storage.MetaStore
}
// GetCurrent returns the current metadata, or an error depending on whether
// getFailStore is configured to return an error for this role
func (f getFailStore) GetCurrent(gun, tufRole string) (*time.Time, []byte, error) {
err := f.errsToReturn[tufRole]
if err == nil {
return f.MetaStore.GetCurrent(gun, tufRole)
}
return nil, nil, err
}
// GetChecksum returns the metadata with this checksum, or an error depending on
// whether getFailStore is configured to return an error for this role
func (f getFailStore) GetChecksum(gun, tufRole, checksum string) (*time.Time, []byte, error) {
err := f.errsToReturn[tufRole]
if err == nil {
return f.MetaStore.GetChecksum(gun, tufRole, checksum)
}
return nil, nil, err
}
// Returns a mapping of role name to `MetaUpdate` objects
func getUpdates(r, tg, sn, ts *data.Signed) (
root, targets, snapshot, timestamp storage.MetaUpdate, err error) {
rs, tgs, sns, tss, err := testutils.Serialize(r, tg, sn, ts)
if err != nil {
return
}
root = storage.MetaUpdate{
Role: data.CanonicalRootRole,
Version: 1,
Data: rs,
}
targets = storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: tgs,
}
snapshot = storage.MetaUpdate{
Role: data.CanonicalSnapshotRole,
Version: 1,
Data: sns,
}
timestamp = storage.MetaUpdate{
Role: data.CanonicalTimestampRole,
Version: 1,
Data: tss,
}
return
}
func TestValidateEmptyNew(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
// we generated our own timestamp, and did not take the other timestamp,
// but all other metadata should come from updates
founds := make(map[string]bool)
for _, update := range updates {
switch update.Role {
case data.CanonicalRootRole:
require.True(t, bytes.Equal(update.Data, root.Data))
founds[data.CanonicalRootRole] = true
case data.CanonicalSnapshotRole:
require.True(t, bytes.Equal(update.Data, snapshot.Data))
founds[data.CanonicalSnapshotRole] = true
case data.CanonicalTargetsRole:
require.True(t, bytes.Equal(update.Data, targets.Data))
founds[data.CanonicalTargetsRole] = true
case data.CanonicalTimestampRole:
require.False(t, bytes.Equal(update.Data, timestamp.Data))
founds[data.CanonicalTimestampRole] = true
}
}
require.Len(t, founds, 4)
}
func TestValidateRootCanContainOnlyx509KeysWithRightGun(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo("wrong/gun")
require.NoError(t, err)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
// if the root has the wrong gun, the server will fail to validate
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
_, err = validateUpdate(serverCrypto, gun,
[]storage.MetaUpdate{root, targets, snapshot, timestamp},
storage.NewMemStorage())
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
// create regular non-x509 keys - change the root keys to one that is not
// an x509 key - it should also fail to validate
newRootKey, err := cs.Create(data.CanonicalRootRole, gun, data.ECDSAKey)
require.NoError(t, err)
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, newRootKey))
r, tg, sn, ts, err = testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
_, err = validateUpdate(serverCrypto, gun,
[]storage.MetaUpdate{root, targets, snapshot, timestamp},
storage.NewMemStorage())
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidatePrevTimestamp(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot}
store := storage.NewMemStorage()
store.UpdateCurrent(gun, timestamp)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
// we generated our own timestamp, and did not take the other timestamp,
// but all other metadata should come from updates
var foundTimestamp bool
for _, update := range updates {
if update.Role == data.CanonicalTimestampRole {
foundTimestamp = true
oldTimestamp, newTimestamp := &data.SignedTimestamp{}, &data.SignedTimestamp{}
require.NoError(t, json.Unmarshal(timestamp.Data, oldTimestamp))
require.NoError(t, json.Unmarshal(update.Data, newTimestamp))
require.Equal(t, oldTimestamp.Signed.Version+1, newTimestamp.Signed.Version)
}
}
require.True(t, foundTimestamp)
}
func TestValidatePreviousTimestampCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot}
// have corrupt timestamp data in the storage already
store := storage.NewMemStorage()
timestamp.Data = timestamp.Data[1:]
store.UpdateCurrent(gun, timestamp)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, &json.SyntaxError{}, err)
}
func TestValidateGetCurrentTimestampBroken(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot}
store := getFailStore{
MetaStore: storage.NewMemStorage(),
errsToReturn: map[string]error{data.CanonicalTimestampRole: data.ErrNoSuchRole{}},
}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, data.ErrNoSuchRole{}, err)
}
func TestValidateNoNewRoot(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store.UpdateCurrent(gun, root)
updates := []storage.MetaUpdate{targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
func TestValidateNoNewTargets(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store.UpdateCurrent(gun, targets)
updates := []storage.MetaUpdate{root, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
func TestValidateOnlySnapshot(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store.UpdateCurrent(gun, root)
store.UpdateCurrent(gun, targets)
updates := []storage.MetaUpdate{snapshot}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
func TestValidateOldRoot(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store.UpdateCurrent(gun, root)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
func TestValidateOldRootCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
badRoot := storage.MetaUpdate{
Version: root.Version,
Role: root.Role,
Data: root.Data[1:],
}
store.UpdateCurrent(gun, badRoot)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, &json.SyntaxError{}, err)
}
// We cannot validate a new root if the old root is corrupt, because there might
// have been a root key rotation.
func TestValidateOldRootCorruptRootRole(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// so a valid root, but missing the root role
signedRoot, err := data.RootFromSigned(r)
require.NoError(t, err)
delete(signedRoot.Signed.Roles, data.CanonicalRootRole)
badRootJSON, err := json.Marshal(signedRoot)
require.NoError(t, err)
badRoot := storage.MetaUpdate{
Version: root.Version,
Role: root.Role,
Data: badRootJSON,
}
store.UpdateCurrent(gun, badRoot)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, data.ErrInvalidMetadata{}, err)
}
// We cannot validate a new root if we cannot get the old root from the DB (
// and cannot detect whether there was an old root or not), because there might
// have been an old root and we can't determine if the new root represents a
// root key rotation.
func TestValidateRootGetCurrentRootBroken(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := getFailStore{
MetaStore: storage.NewMemStorage(),
errsToReturn: map[string]error{data.CanonicalRootRole: data.ErrNoSuchRole{}},
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, data.ErrNoSuchRole{}, err)
}
// A valid root rotation only cares about the immediately previous old root keys,
// whether or not there are old root roles
func TestValidateRootRotationWithOldSigs(t *testing.T) {
gun := "docker.com/notary"
repo, crypto, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
serverCrypto := testutils.CopyKeys(t, crypto, data.CanonicalTimestampRole)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// set the original root in the store
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
require.NoError(t, store.UpdateMany(gun, updates))
// rotate the root key, sign with both keys, and update - update should succeed
newRootKey, err := testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
newRootID := newRootKey.ID()
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, newRootKey))
r, _, sn, _, err = testutils.Sign(repo)
require.NoError(t, err)
root, _, snapshot, _, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
root.Version = repo.Root.Signed.Version
snapshot.Version = repo.Snapshot.Signed.Version
updates, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.NoError(t, err)
require.NoError(t, store.UpdateMany(gun, updates))
// the next root does NOT need to be signed by both keys, because we only care
// about signing with both keys if the root keys have changed (signRoot again to bump the version)
r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole))
require.NoError(t, err)
// delete all signatures except the one with the new key
for _, sig := range repo.Root.Signatures {
if sig.KeyID == newRootID {
r.Signatures = []data.Signature{sig}
repo.Root.Signatures = r.Signatures
break
}
}
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
require.NoError(t, err)
root, _, snapshot, _, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
root.Version = repo.Root.Signed.Version
snapshot.Version = repo.Snapshot.Signed.Version
updates, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.NoError(t, err)
require.NoError(t, store.UpdateMany(gun, updates))
// another root rotation requires only the previous and new keys, and not the
// original root key even though that original role is still in the metadata
newRootKey2, err := testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
newRootID2 := newRootKey2.ID()
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, newRootKey2))
r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole))
require.NoError(t, err)
// delete all signatures except the ones with the first and second new keys
sigs := make([]data.Signature, 0, 2)
for _, sig := range repo.Root.Signatures {
if sig.KeyID == newRootID || sig.KeyID == newRootID2 {
sigs = append(sigs, sig)
}
}
require.Len(t, sigs, 2)
repo.Root.Signatures = sigs
r.Signatures = sigs
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
require.NoError(t, err)
root, _, snapshot, _, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
root.Version = repo.Root.Signed.Version
snapshot.Version = repo.Snapshot.Signed.Version
_, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.NoError(t, err)
}
// A valid root rotation requires the immediately previous root ROLE be satisfied,
// not just that there is a single root signature. So if there were 2 keys, either
// of which can sign the root rotation, then either one of those keys can be used
// to sign the root rotation - not necessarily the one that signed the previous root.
func TestValidateRootRotationMultipleKeysThreshold1(t *testing.T) {
gun := "docker.com/notary"
repo, crypto, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
serverCrypto := testutils.CopyKeys(t, crypto, data.CanonicalTimestampRole)
store := storage.NewMemStorage()
// add a new root key to the root so that either can sign have to sign
additionalRootKey, err := testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
additionalRootID := additionalRootKey.ID()
repo.Root.Signed.Keys[additionalRootID] = additionalRootKey
repo.Root.Signed.Roles[data.CanonicalRootRole].KeyIDs = append(
repo.Root.Signed.Roles[data.CanonicalRootRole].KeyIDs, additionalRootID)
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
require.Len(t, r.Signatures, 2)
// make sure the old root was just signed with the first key
for _, sig := range r.Signatures {
if sig.KeyID != additionalRootID {
r.Signatures = []data.Signature{sig}
break
}
}
require.Len(t, r.Signatures, 1)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// set the original root in the store
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
require.NoError(t, store.UpdateMany(gun, updates))
// replace the keys with just 1 key
rotatedRootKey, err := testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
rotatedRootID := rotatedRootKey.ID()
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, rotatedRootKey))
r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole))
require.NoError(t, err)
require.Len(t, r.Signatures, 3)
// delete all signatures except the additional key (which didn't sign the
// previous root) and the new key
sigs := make([]data.Signature, 0, 2)
for _, sig := range repo.Root.Signatures {
if sig.KeyID == additionalRootID || sig.KeyID == rotatedRootID {
sigs = append(sigs, sig)
}
}
require.Len(t, sigs, 2)
repo.Root.Signatures = sigs
r.Signatures = sigs
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
require.NoError(t, err)
root, _, snapshot, _, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
root.Version = repo.Root.Signed.Version
snapshot.Version = repo.Snapshot.Signed.Version
_, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.NoError(t, err)
}
// A root rotation must be signed with old and new root keys such that it satisfies
// the old and new roles, otherwise the new root fails to validate
func TestRootRotationNotSignedWithOldKeysForOldRole(t *testing.T) {
gun := "docker.com/notary"
repo, crypto, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
serverCrypto := testutils.CopyKeys(t, crypto, data.CanonicalTimestampRole)
oldRootKeyID := repo.Root.Signed.Roles[data.CanonicalRootRole].KeyIDs[0]
// make the original root have 2 keys with a threshold of 2
pairedRootKeys := make([]data.PublicKey, 2)
for i := 0; i < len(pairedRootKeys); i++ {
pairedRootKeys[i], err = testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
}
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, pairedRootKeys...))
repo.Root.Signed.Roles[data.CanonicalRootRole].Threshold = 2
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
require.Len(t, r.Signatures, 3)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
require.NoError(t, store.UpdateMany(gun, updates))
finalRootKey, err := testutils.CreateKey(crypto, gun, data.CanonicalRootRole, data.ECDSAKey)
require.NoError(t, err)
repo.Root.Signed.Roles[data.CanonicalRootRole].Threshold = 1
require.NoError(t, repo.ReplaceBaseKeys(data.CanonicalRootRole, finalRootKey))
r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole))
require.NoError(t, err)
origSigs := r.Signatures
// make sure it's signed with only one of the previous keys and the new key
sigs := make([]data.Signature, 0, 2)
for _, sig := range origSigs {
if sig.KeyID == pairedRootKeys[0].ID() || sig.KeyID == finalRootKey.ID() {
sigs = append(sigs, sig)
}
}
require.Len(t, sigs, 2)
repo.Root.Signatures = sigs
r.Signatures = sigs
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
require.NoError(t, err)
root, targets, snapshot, timestamp, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
_, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.Error(t, err)
require.Contains(t, err.Error(), "could not rotate trust to a new trusted root")
// now sign with both of the pair and the new one
sigs = make([]data.Signature, 0, 3)
for _, sig := range origSigs {
if sig.KeyID != oldRootKeyID {
sigs = append(sigs, sig)
}
}
require.Len(t, sigs, 3)
repo.Root.Signatures = sigs
r.Signatures = sigs
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
require.NoError(t, err)
root, targets, snapshot, timestamp, err = getUpdates(r, tg, sn, ts)
require.NoError(t, err)
_, err = validateUpdate(serverCrypto, gun, []storage.MetaUpdate{root, snapshot}, store)
require.NoError(t, err)
}
// An update is not valid without the root metadata.
func TestValidateNoRoot(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
_, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrValidation{}, err)
}
func TestValidateSnapshotMissingNoSnapshotKey(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadHierarchy{}, err)
}
func TestValidateSnapshotGenerateNoPrev(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
func TestValidateSnapshotGenerateWithPrev(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
// set the current snapshot in the store manually so we find it when generating
// the next version
store.UpdateCurrent(gun, snapshot)
prev, err := data.SnapshotFromSigned(sn)
require.NoError(t, err)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
for _, u := range updates {
if u.Role == data.CanonicalSnapshotRole {
curr := &data.SignedSnapshot{}
err = json.Unmarshal(u.Data, curr)
require.Equal(t, prev.Signed.Version+1, curr.Signed.Version)
require.Equal(t, u.Version, curr.Signed.Version)
}
}
}
func TestValidateSnapshotGeneratePrevCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
// corrupt the JSON structure of prev snapshot
snapshot.Data = snapshot.Data[1:]
// set the current snapshot in the store manually so we find it when generating
// the next version
store.UpdateCurrent(gun, snapshot)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, &json.SyntaxError{}, err)
}
// Store is broken when getting the current snapshot
func TestValidateSnapshotGenerateStoreGetCurrentSnapshotBroken(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := getFailStore{
MetaStore: storage.NewMemStorage(),
errsToReturn: map[string]error{data.CanonicalSnapshotRole: data.ErrNoSuchRole{}},
}
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, data.ErrNoSuchRole{}, err)
}
func TestValidateSnapshotGenerateNoTargets(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, _, _, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
}
func TestValidateSnapshotGenerate(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
snapRole, err := repo.GetBaseRole(data.CanonicalSnapshotRole)
require.NoError(t, err)
for _, k := range snapRole.Keys {
err := store.SetKey(gun, data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
require.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{targets}
store.UpdateCurrent(gun, root)
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole, data.CanonicalSnapshotRole)
updates, err = validateUpdate(serverCrypto, gun, updates, store)
require.NoError(t, err)
}
// If there is no timestamp key in the store, validation fails. This could
// happen if pushing an existing repository from one server to another that
// does not have the repo.
func TestValidateRootNoTimestampKey(t *testing.T) {
gun := "docker.com/notary"
oldRepo, _, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
r, tg, sn, ts, err := testutils.Sign(oldRepo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
// do not copy the targets key to the storage, and try to update the root
serverCrypto := signed.NewEd25519()
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
// there should still be no timestamp keys - one should not have been
// created
require.Empty(t, serverCrypto.ListAllKeys())
}
// If the timestamp key in the store does not match the timestamp key in
// the root.json, validation fails. This could happen if pushing an existing
// repository from one server to another that had already initialized the same
// repo.
func TestValidateRootInvalidTimestampKey(t *testing.T) {
gun := "docker.com/notary"
oldRepo, _, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
r, tg, sn, ts, err := testutils.Sign(oldRepo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
serverCrypto := signed.NewEd25519()
_, err = serverCrypto.Create(data.CanonicalTimestampRole, gun, data.ED25519Key)
require.NoError(t, err)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
// If the timestamp role has a threshold > 1, validation fails.
func TestValidateRootInvalidTimestampThreshold(t *testing.T) {
gun := "docker.com/notary"
oldRepo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
tsKey2, err := testutils.CreateKey(cs, gun, "timestamp2", data.ECDSAKey)
require.NoError(t, err)
oldRepo.AddBaseKeys(data.CanonicalTimestampRole, tsKey2)
tsRole, ok := oldRepo.Root.Signed.Roles[data.CanonicalTimestampRole]
require.True(t, ok)
tsRole.Threshold = 2
r, tg, sn, ts, err := testutils.Sign(oldRepo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
// If any role has a threshold < 1, validation fails
func TestValidateRootInvalidZeroThreshold(t *testing.T) {
for _, role := range data.BaseRoles {
gun := "docker.com/notary"
oldRepo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
tsRole, ok := oldRepo.Root.Signed.Roles[role]
require.True(t, ok)
tsRole.Threshold = 0
r, tg, sn, ts, err := testutils.Sign(oldRepo)
require.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.Contains(t, err.Error(), "invalid threshold")
}
}
// ### Role missing negative tests ###
// These tests remove a role from the Root file and
// check for a validation.ErrBadRoot
func TestValidateRootRoleMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, data.CanonicalRootRole)
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsRoleMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "targets")
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateSnapshotRoleMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "snapshot")
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
// ### End role missing negative tests ###
// ### Signature missing negative tests ###
func TestValidateRootSigMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "snapshot")
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
r.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsSigMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
tg.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadTargets{}, err)
}
func TestValidateSnapshotSigMissing(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
sn.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End signature missing negative tests ###
// ### Corrupted metadata negative tests ###
func TestValidateRootCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// flip all the bits in the first byte
root.Data[0] = root.Data[0] ^ 0xff
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// flip all the bits in the first byte
targets.Data[0] = targets.Data[0] ^ 0xff
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadTargets{}, err)
}
func TestValidateSnapshotCorrupt(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// flip all the bits in the first byte
snapshot.Data[0] = snapshot.Data[0] ^ 0xff
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End corrupted metadata negative tests ###
// ### Snapshot size mismatch negative tests ###
func TestValidateRootModifiedSize(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
// add another copy of the signature so the hash is different
r.Signatures = append(r.Signatures, r.Signatures[0])
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
// flip all the bits in the first byte
root.Data[0] = root.Data[0] ^ 0xff
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsModifiedSize(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
// add another copy of the signature so the hash is different
tg.Signatures = append(tg.Signatures, tg.Signatures[0])
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End snapshot size mismatch negative tests ###
// ### Snapshot hash mismatch negative tests ###
func TestValidateRootModifiedHash(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
snap, err := data.SnapshotFromSigned(sn)
require.NoError(t, err)
snap.Signed.Meta[data.CanonicalRootRole].Hashes["sha256"][0] = snap.Signed.Meta[data.CanonicalRootRole].Hashes["sha256"][0] ^ 0xff
sn, err = snap.ToSigned()
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadSnapshot{}, err)
}
func TestValidateTargetsModifiedHash(t *testing.T) {
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
require.NoError(t, err)
snap, err := data.SnapshotFromSigned(sn)
require.NoError(t, err)
snap.Signed.Meta["targets"].Hashes["sha256"][0] = snap.Signed.Meta["targets"].Hashes["sha256"][0] ^ 0xff
sn, err = snap.ToSigned()
require.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
require.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
serverCrypto := testutils.CopyKeys(t, cs, data.CanonicalTimestampRole)
_, err = validateUpdate(serverCrypto, gun, updates, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End snapshot hash mismatch negative tests ###
// ### generateSnapshot tests ###
func TestGenerateSnapshotRootNotLoaded(t *testing.T) {
gun := "docker.com/notary"
builder := tuf.NewRepoBuilder(gun, nil, trustpinning.TrustPinConfig{})
_, err := generateSnapshot(gun, builder, storage.NewMemStorage())
require.Error(t, err)
require.IsType(t, validation.ErrValidation{}, err)
}
func TestGenerateSnapshotNoKey(t *testing.T) {
gun := "docker.com/notary"
metadata, cs, err := testutils.NewRepoMetadata(gun)
require.NoError(t, err)
store := storage.NewMemStorage()
// delete snapshot key in the cryptoservice
for _, keyID := range cs.ListKeys(data.CanonicalSnapshotRole) {
require.NoError(t, cs.RemoveKey(keyID))
}
builder := tuf.NewRepoBuilder(gun, cs, trustpinning.TrustPinConfig{})
// only load root and targets
require.NoError(t, builder.Load(data.CanonicalRootRole, metadata[data.CanonicalRootRole], 0, false))
require.NoError(t, builder.Load(data.CanonicalTargetsRole, metadata[data.CanonicalTargetsRole], 0, false))
_, err = generateSnapshot(gun, builder, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadHierarchy{}, err)
}
// ### End generateSnapshot tests ###
// ### Target validation with delegations tests
func TestLoadTargetsLoadsNothingIfNoUpdates(t *testing.T) {
gun := "docker.com/notary"
metadata, _, err := testutils.NewRepoMetadata(gun)
require.NoError(t, err)
// load the root into the builder, else we can't load anything else
builder := tuf.NewRepoBuilder(gun, nil, trustpinning.TrustPinConfig{})
require.NoError(t, builder.Load(data.CanonicalRootRole, metadata[data.CanonicalRootRole], 0, false))
store := storage.NewMemStorage()
store.UpdateCurrent(gun, storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: metadata[data.CanonicalTargetsRole],
})
// if no updates, nothing is loaded
targetsToUpdate, err := loadAndValidateTargets(gun, builder, nil, store)
require.Empty(t, targetsToUpdate)
require.NoError(t, err)
require.False(t, builder.IsLoaded(data.CanonicalTargetsRole))
}
// When a delegation role appears in the update and the parent does not, the
// parent is loaded from the DB if it can
func TestValidateTargetsRequiresStoredParent(t *testing.T) {
gun := "docker.com/notary"
delgName := "targets/level1"
metadata, _, err := testutils.NewRepoMetadata(gun, delgName, path.Join(delgName, "other"))
require.NoError(t, err)
// load the root into the builder, else we can't load anything else
builder := tuf.NewRepoBuilder(gun, nil, trustpinning.TrustPinConfig{})
require.NoError(t, builder.Load(data.CanonicalRootRole, metadata[data.CanonicalRootRole], 0, false))
delUpdate := storage.MetaUpdate{
Role: delgName,
Version: 1,
Data: metadata[delgName],
}
upload := map[string]storage.MetaUpdate{delgName: delUpdate}
store := storage.NewMemStorage()
// if the DB has no "targets" role
_, err = loadAndValidateTargets(gun, builder, upload, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadTargets{}, err)
// ensure the "targets" (the parent) is in the "db"
store.UpdateCurrent(gun, storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: metadata[data.CanonicalTargetsRole],
})
updates, err := loadAndValidateTargets(gun, builder, upload, store)
require.NoError(t, err)
require.Len(t, updates, 1)
require.Equal(t, delgName, updates[0].Role)
require.Equal(t, metadata[delgName], updates[0].Data)
}
// If the parent is not in the store, then the parent must be in the update else
// validation fails.
func TestValidateTargetsParentInUpdate(t *testing.T) {
gun := "docker.com/notary"
delgName := "targets/level1"
metadata, _, err := testutils.NewRepoMetadata(gun, delgName, path.Join(delgName, "other"))
require.NoError(t, err)
store := storage.NewMemStorage()
// load the root into the builder, else we can't load anything else
builder := tuf.NewRepoBuilder(gun, nil, trustpinning.TrustPinConfig{})
require.NoError(t, builder.Load(data.CanonicalRootRole, metadata[data.CanonicalRootRole], 0, false))
targetsUpdate := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: []byte("Invalid metadata"),
}
delgUpdate := storage.MetaUpdate{
Role: delgName,
Version: 1,
Data: metadata[delgName],
}
upload := map[string]storage.MetaUpdate{
"targets/level1": delgUpdate,
data.CanonicalTargetsRole: targetsUpdate,
}
// parent update not readable - fail
_, err = loadAndValidateTargets(gun, builder, upload, store)
require.Error(t, err)
require.IsType(t, validation.ErrBadTargets{}, err)
// because we sort the roles, the list of returned updates
// will contain shallower roles first, in this case "targets",
// and then "targets/level1"
targetsUpdate.Data = metadata[data.CanonicalTargetsRole]
upload[data.CanonicalTargetsRole] = targetsUpdate
updates, err := loadAndValidateTargets(gun, builder, upload, store)
require.NoError(t, err)
require.Equal(t, []storage.MetaUpdate{targetsUpdate, delgUpdate}, updates)
}
// If the parent, either from the DB or from an update, does not contain the role
// of the delegation update, validation fails
func TestValidateTargetsRoleNotInParent(t *testing.T) {
// no delegation at first
gun := "docker.com/notary"
repo, cs, err := testutils.EmptyRepo(gun)
require.NoError(t, err)
meta, err := testutils.SignAndSerialize(repo)
require.NoError(t, err)
// load the root into the builder, else we can't load anything else
builder := tuf.NewRepoBuilder(gun, nil, trustpinning.TrustPinConfig{})
require.NoError(t, builder.Load(data.CanonicalRootRole, meta[data.CanonicalRootRole], 0, false))
// prepare the original targets file, without a delegation role, as an update
origTargetsUpdate := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: meta[data.CanonicalTargetsRole],
}
emptyStore := storage.NewMemStorage()
storeWithParent := storage.NewMemStorage()
storeWithParent.UpdateCurrent(gun, origTargetsUpdate)
// add a delegation role now
delgName := "targets/level1"
level1Key, err := testutils.CreateKey(cs, gun, delgName, data.ECDSAKey)
require.NoError(t, err)
require.NoError(t, repo.UpdateDelegationKeys(delgName, []data.PublicKey{level1Key}, []string{}, 1))
// create the delegation metadata too
repo.InitTargets(delgName)
// re-serialize
meta, err = testutils.SignAndSerialize(repo)
require.NoError(t, err)
delgMeta, ok := meta[delgName]
require.True(t, ok)
delgUpdate := storage.MetaUpdate{
Role: delgName,
Version: 1,
Data: delgMeta,
}
// parent in update does not have this role, whether or not there's a parent in the store,
// so validation fails
roles := map[string]storage.MetaUpdate{
delgName: delgUpdate,
data.CanonicalTargetsRole: origTargetsUpdate,
}
for _, metaStore := range []storage.MetaStore{emptyStore, storeWithParent} {
updates, err := loadAndValidateTargets(gun, builder, roles, metaStore)
require.Error(t, err)
require.Empty(t, updates)
require.IsType(t, validation.ErrBadTargets{}, err)
}
// if the update is provided without the parent, then the parent from the
// store is loaded - if it doesn't have the role, then the update fails
updates, err := loadAndValidateTargets(gun, builder,
map[string]storage.MetaUpdate{delgName: delgUpdate}, storeWithParent)
require.Error(t, err)
require.Empty(t, updates)
require.IsType(t, validation.ErrBadTargets{}, err)
}
// ### End target validation with delegations tests