docs/server/handlers/validation_test.go

1032 lines
31 KiB
Go

package handlers
import (
"crypto/rand"
"encoding/json"
"fmt"
"reflect"
"testing"
"github.com/docker/notary/trustmanager"
"github.com/docker/notary/tuf"
"github.com/docker/notary/tuf/data"
"github.com/docker/notary/tuf/keys"
"github.com/docker/notary/tuf/signed"
"github.com/docker/notary/tuf/testutils"
"github.com/docker/notary/tuf/validation"
"github.com/stretchr/testify/assert"
"github.com/docker/notary/server/storage"
)
func copyTimestampKey(t *testing.T, fromKeyDB *keys.KeyDB,
toStore storage.MetaStore, gun string) {
role := fromKeyDB.GetRole(data.CanonicalTimestampRole)
assert.NotNil(t, role, "No timestamp role in the KeyDB")
assert.Len(t, role.KeyIDs, 1, fmt.Sprintf(
"Expected 1 timestamp key in timestamp role, got %d", len(role.KeyIDs)))
pubTimestampKey := fromKeyDB.GetKey(role.KeyIDs[0])
assert.NotNil(t, pubTimestampKey,
"Timestamp key specified by KeyDB role not in KeysDB")
err := toStore.SetKey(gun, data.CanonicalTimestampRole, pubTimestampKey.Algorithm(),
pubTimestampKey.Public())
assert.NoError(t, 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) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateNoNewRoot(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store.UpdateCurrent("testGUN", root)
updates := []storage.MetaUpdate{targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateNoNewTargets(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store.UpdateCurrent("testGUN", targets)
updates := []storage.MetaUpdate{root, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateOnlySnapshot(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store.UpdateCurrent("testGUN", root)
store.UpdateCurrent("testGUN", targets)
updates := []storage.MetaUpdate{snapshot}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateOldRoot(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store.UpdateCurrent("testGUN", root)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateRootRotation(t *testing.T) {
kdb, repo, crypto := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store.UpdateCurrent("testGUN", root)
oldRootRole := repo.Root.Signed.Roles["root"]
oldRootKey := repo.Root.Signed.Keys[oldRootRole.KeyIDs[0]]
rootKey, err := crypto.Create("root", data.ED25519Key)
assert.NoError(t, err)
rootRole, err := data.NewRole("root", 1, []string{rootKey.ID()}, nil, nil)
assert.NoError(t, err)
delete(repo.Root.Signed.Keys, oldRootRole.KeyIDs[0])
repo.Root.Signed.Roles["root"] = &rootRole.RootRole
repo.Root.Signed.Keys[rootKey.ID()] = rootKey
r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole))
assert.NoError(t, err)
err = signed.Sign(crypto, r, rootKey, oldRootKey)
assert.NoError(t, err)
rt, err := data.RootFromSigned(r)
assert.NoError(t, err)
repo.SetRoot(rt)
sn, err = repo.SignSnapshot(data.DefaultExpires(data.CanonicalSnapshotRole))
assert.NoError(t, err)
root, targets, snapshot, timestamp, err = getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(crypto, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateNoRoot(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
_, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrValidation{}, err)
}
func TestValidateSnapshotMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadHierarchy{}, err)
}
func TestValidateSnapshotGenerateNoPrev(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
snapRole := kdb.GetRole(data.CanonicalSnapshotRole)
for _, id := range snapRole.KeyIDs {
k := kdb.GetKey(id)
assert.NotNil(t, k)
err := store.SetKey("testGUN", data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
assert.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
}
func TestValidateSnapshotGenerateWithPrev(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
snapRole := kdb.GetRole(data.CanonicalSnapshotRole)
for _, id := range snapRole.KeyIDs {
k := kdb.GetKey(id)
assert.NotNil(t, k)
err := store.SetKey("testGUN", data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
assert.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.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("testGUN", snapshot)
prev, err := data.SnapshotFromSigned(sn)
assert.NoError(t, err)
copyTimestampKey(t, kdb, store, "testGUN")
updates, err = validateUpdate(cs, "testGUN", updates, store)
assert.NoError(t, err)
for _, u := range updates {
if u.Role == data.CanonicalSnapshotRole {
curr := &data.SignedSnapshot{}
err = json.Unmarshal(u.Data, curr)
assert.Equal(t, prev.Signed.Version+1, curr.Signed.Version)
assert.Equal(t, u.Version, curr.Signed.Version)
}
}
}
func TestValidateSnapshotGeneratePrevCorrupt(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
snapRole := kdb.GetRole(data.CanonicalSnapshotRole)
for _, id := range snapRole.KeyIDs {
k := kdb.GetKey(id)
assert.NotNil(t, k)
err := store.SetKey("testGUN", data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
assert.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.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("testGUN", snapshot)
copyTimestampKey(t, kdb, store, "testGUN")
updates, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
}
func TestValidateSnapshotGenerateNoTargets(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
snapRole := kdb.GetRole(data.CanonicalSnapshotRole)
for _, id := range snapRole.KeyIDs {
k := kdb.GetKey(id)
assert.NotNil(t, k)
err := store.SetKey("testGUN", data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
assert.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, _, _, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root}
copyTimestampKey(t, kdb, store, "testGUN")
updates, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
}
func TestValidateSnapshotGenerate(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
snapRole := kdb.GetRole(data.CanonicalSnapshotRole)
for _, id := range snapRole.KeyIDs {
k := kdb.GetKey(id)
assert.NotNil(t, k)
err := store.SetKey("testGUN", data.CanonicalSnapshotRole, k.Algorithm(), k.Public())
assert.NoError(t, err)
}
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, _, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{targets}
store.UpdateCurrent("testGUN", root)
copyTimestampKey(t, kdb, store, "testGUN")
updates, err = validateUpdate(cs, "testGUN", updates, store)
assert.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) {
_, oldRepo, cs := testutils.EmptyRepo()
r, tg, sn, ts, err := testutils.Sign(oldRepo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
// sanity check - no timestamp keys for the GUN
_, _, err = store.GetKey("testGUN", data.CanonicalTimestampRole)
assert.Error(t, err)
assert.IsType(t, &storage.ErrNoKey{}, err)
// do not copy the targets key to the storage, and try to update the root
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
// there should still be no timestamp keys - one should not have been
// created
_, _, err = store.GetKey("testGUN", data.CanonicalTimestampRole)
assert.Error(t, err)
}
// 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) {
_, oldRepo, cs := testutils.EmptyRepo()
r, tg, sn, ts, err := testutils.Sign(oldRepo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
key, err := trustmanager.GenerateECDSAKey(rand.Reader)
assert.NoError(t, err)
err = store.SetKey("testGUN", data.CanonicalRootRole, key.Algorithm(), key.Public())
assert.NoError(t, err)
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
// If the timestamp role has a threshold > 1, validation fails.
func TestValidateRootInvalidTimestampThreshold(t *testing.T) {
kdb, oldRepo, cs := testutils.EmptyRepo()
tsRole, ok := oldRepo.Root.Signed.Roles[data.CanonicalTimestampRole]
assert.True(t, ok)
tsRole.Threshold = 2
r, tg, sn, ts, err := testutils.Sign(oldRepo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.Contains(t, err.Error(), "timestamp role has invalid threshold")
}
// If any role has a threshold < 1, validation fails
func TestValidateRootInvalidZeroThreshold(t *testing.T) {
for _, role := range data.BaseRoles {
kdb, oldRepo, cs := testutils.EmptyRepo()
tsRole, ok := oldRepo.Root.Signed.Roles[role]
assert.True(t, ok)
tsRole.Threshold = 0
r, tg, sn, ts, err := testutils.Sign(oldRepo)
assert.NoError(t, err)
root, targets, snapshot, _, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
store := storage.NewMemStorage()
updates := []storage.MetaUpdate{root, targets, snapshot}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.Contains(t, err.Error(), "role has 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) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "root")
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsRoleMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "targets")
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateSnapshotRoleMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "snapshot")
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
// ### End role missing negative tests ###
// ### Signature missing negative tests ###
func TestValidateRootSigMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
delete(repo.Root.Signed.Roles, "snapshot")
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
r.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsSigMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
tg.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadTargets{}, err)
}
func TestValidateSnapshotSigMissing(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
sn.Signatures = nil
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End signature missing negative tests ###
// ### Corrupted metadata negative tests ###
func TestValidateRootCorrupt(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.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}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsCorrupt(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.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}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadTargets{}, err)
}
func TestValidateSnapshotCorrupt(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.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}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End corrupted metadata negative tests ###
// ### Snapshot size mismatch negative tests ###
func TestValidateRootModifiedSize(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.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)
assert.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}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestValidateTargetsModifiedSize(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.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)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End snapshot size mismatch negative tests ###
// ### Snapshot hash mismatch negative tests ###
func TestValidateRootModifiedHash(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
snap, err := data.SnapshotFromSigned(sn)
assert.NoError(t, err)
snap.Signed.Meta["root"].Hashes["sha256"][0] = snap.Signed.Meta["root"].Hashes["sha256"][0] ^ 0xff
sn, err = snap.ToSigned()
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadSnapshot{}, err)
}
func TestValidateTargetsModifiedHash(t *testing.T) {
kdb, repo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
r, tg, sn, ts, err := testutils.Sign(repo)
assert.NoError(t, err)
snap, err := data.SnapshotFromSigned(sn)
assert.NoError(t, err)
snap.Signed.Meta["targets"].Hashes["sha256"][0] = snap.Signed.Meta["targets"].Hashes["sha256"][0] ^ 0xff
sn, err = snap.ToSigned()
assert.NoError(t, err)
root, targets, snapshot, timestamp, err := getUpdates(r, tg, sn, ts)
assert.NoError(t, err)
updates := []storage.MetaUpdate{root, targets, snapshot, timestamp}
copyTimestampKey(t, kdb, store, "testGUN")
_, err = validateUpdate(cs, "testGUN", updates, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadSnapshot{}, err)
}
// ### End snapshot hash mismatch negative tests ###
// ### generateSnapshot tests ###
func TestGenerateSnapshotNoRole(t *testing.T) {
kdb := keys.NewDB()
_, err := generateSnapshot("gun", kdb, nil, nil)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadRoot{}, err)
}
func TestGenerateSnapshotNoKey(t *testing.T) {
kdb, _, _ := testutils.EmptyRepo()
store := storage.NewMemStorage()
_, err := generateSnapshot("gun", kdb, nil, store)
assert.Error(t, err)
assert.IsType(t, validation.ErrBadHierarchy{}, err)
}
// ### End generateSnapshot tests ###
// ### Target validation with delegations tests
func TestLoadTargetsFromStore(t *testing.T) {
_, repo, _ := testutils.EmptyRepo()
store := storage.NewMemStorage()
st, err := repo.SignTargets(
data.CanonicalTargetsRole,
data.DefaultExpires(data.CanonicalTargetsRole),
)
assert.NoError(t, err)
tgs, err := json.Marshal(st)
assert.NoError(t, err)
update := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: tgs,
}
store.UpdateCurrent("gun", update)
generated := repo.Targets[data.CanonicalTargetsRole]
delete(repo.Targets, data.CanonicalTargetsRole)
_, ok := repo.Targets[data.CanonicalTargetsRole]
assert.False(t, ok)
err = loadTargetsFromStore("gun", data.CanonicalTargetsRole, repo, store)
assert.NoError(t, err)
loaded, ok := repo.Targets[data.CanonicalTargetsRole]
assert.True(t, ok)
assert.True(t, reflect.DeepEqual(generated.Signatures, loaded.Signatures))
assert.Len(t, loaded.Signed.Targets, 0)
assert.Equal(t, len(generated.Signed.Targets), len(loaded.Signed.Targets))
assert.Len(t, loaded.Signed.Delegations.Roles, 0)
assert.Equal(t, len(generated.Signed.Delegations.Roles), len(loaded.Signed.Delegations.Roles))
assert.Len(t, loaded.Signed.Delegations.Keys, 0)
assert.Equal(t, len(generated.Signed.Delegations.Keys), len(loaded.Signed.Delegations.Keys))
assert.True(t, generated.Signed.Expires.Equal(loaded.Signed.Expires))
assert.Equal(t, generated.Signed.Type, loaded.Signed.Type)
assert.Equal(t, generated.Signed.Version, loaded.Signed.Version)
}
func TestValidateTargetsLoadParent(t *testing.T) {
_, baseRepo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
k, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{k.ID()}, []string{""}, nil)
assert.NoError(t, err)
err = baseRepo.UpdateDelegations(r, []data.PublicKey{k})
assert.NoError(t, err)
// no targets file is created for the new delegations, so force one
baseRepo.InitTargets("targets/level1")
// we're not going to validate things loaded from storage, so no need
// to sign the base targets, just Marshal it and set it into storage
tgtsJSON, err := json.Marshal(baseRepo.Targets["targets"])
assert.NoError(t, err)
update := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: tgtsJSON,
}
store.UpdateCurrent("gun", update)
// generate the update object we're doing to use to call loadAndValidateTargets
del, err := baseRepo.SignTargets("targets/level1", data.DefaultExpires(data.CanonicalTargetsRole))
assert.NoError(t, err)
delJSON, err := json.Marshal(del)
assert.NoError(t, err)
delUpdate := storage.MetaUpdate{
Role: "targets/level1",
Version: 1,
Data: delJSON,
}
roles := map[string]storage.MetaUpdate{"targets/level1": delUpdate}
kdb := keys.NewDB()
valRepo := tuf.NewRepo(kdb, nil)
valRepo.SetRoot(baseRepo.Root)
updates, err := loadAndValidateTargets("gun", valRepo, roles, kdb, store)
assert.NoError(t, err)
assert.Len(t, updates, 1)
assert.Equal(t, "targets/level1", updates[0].Role)
assert.Equal(t, delJSON, updates[0].Data)
}
func TestValidateTargetsParentInUpdate(t *testing.T) {
_, baseRepo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
k, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{k.ID()}, []string{""}, nil)
assert.NoError(t, err)
baseRepo.UpdateDelegations(r, []data.PublicKey{k})
// no targets file is created for the new delegations, so force one
baseRepo.InitTargets("targets/level1")
targets, err := baseRepo.SignTargets("targets", data.DefaultExpires(data.CanonicalTargetsRole))
tgtsJSON, err := json.Marshal(targets)
assert.NoError(t, err)
update := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: tgtsJSON,
}
store.UpdateCurrent("gun", update)
del, err := baseRepo.SignTargets("targets/level1", data.DefaultExpires(data.CanonicalTargetsRole))
assert.NoError(t, err)
delJSON, err := json.Marshal(del)
assert.NoError(t, err)
delUpdate := storage.MetaUpdate{
Role: "targets/level1",
Version: 1,
Data: delJSON,
}
roles := map[string]storage.MetaUpdate{
"targets/level1": delUpdate,
"targets": update,
}
kdb := keys.NewDB()
valRepo := tuf.NewRepo(kdb, nil)
valRepo.SetRoot(baseRepo.Root)
// because we sort the roles, the list of returned updates
// will contain shallower roles first, in this case "targets",
// and then "targets/level1"
updates, err := loadAndValidateTargets("gun", valRepo, roles, kdb, store)
assert.NoError(t, err)
assert.Len(t, updates, 2)
assert.Equal(t, "targets", updates[0].Role)
assert.Equal(t, tgtsJSON, updates[0].Data)
assert.Equal(t, "targets/level1", updates[1].Role)
assert.Equal(t, delJSON, updates[1].Data)
}
func TestValidateTargetsParentNotFound(t *testing.T) {
_, baseRepo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
k, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{k.ID()}, []string{""}, nil)
assert.NoError(t, err)
baseRepo.UpdateDelegations(r, []data.PublicKey{k})
// no targets file is created for the new delegations, so force one
baseRepo.InitTargets("targets/level1")
// generate the update object we're doing to use to call loadAndValidateTargets
del, err := baseRepo.SignTargets("targets/level1", data.DefaultExpires(data.CanonicalTargetsRole))
assert.NoError(t, err)
delJSON, err := json.Marshal(del)
assert.NoError(t, err)
delUpdate := storage.MetaUpdate{
Role: "targets/level1",
Version: 1,
Data: delJSON,
}
roles := map[string]storage.MetaUpdate{"targets/level1": delUpdate}
kdb := keys.NewDB()
valRepo := tuf.NewRepo(kdb, nil)
valRepo.SetRoot(baseRepo.Root)
_, err = loadAndValidateTargets("gun", valRepo, roles, kdb, store)
assert.Error(t, err)
assert.IsType(t, storage.ErrNotFound{}, err)
}
func TestValidateTargetsRoleNotInParent(t *testing.T) {
kdb, baseRepo, cs := testutils.EmptyRepo()
store := storage.NewMemStorage()
k, err := cs.Create("targets/level1", data.ED25519Key)
assert.NoError(t, err)
r, err := data.NewRole("targets/level1", 1, []string{k.ID()}, []string{""}, nil)
assert.NoError(t, err)
kdb.AddKey(k)
err = kdb.AddRole(r)
assert.NoError(t, err)
baseRepo.InitTargets("targets/level1")
targets, err := baseRepo.SignTargets("targets", data.DefaultExpires(data.CanonicalTargetsRole))
tgtsJSON, err := json.Marshal(targets)
assert.NoError(t, err)
update := storage.MetaUpdate{
Role: data.CanonicalTargetsRole,
Version: 1,
Data: tgtsJSON,
}
store.UpdateCurrent("gun", update)
del, err := baseRepo.SignTargets("targets/level1", data.DefaultExpires(data.CanonicalTargetsRole))
assert.NoError(t, err)
delJSON, err := json.Marshal(del)
assert.NoError(t, err)
delUpdate := storage.MetaUpdate{
Role: "targets/level1",
Version: 1,
Data: delJSON,
}
roles := map[string]storage.MetaUpdate{
"targets/level1": delUpdate,
"targets": update,
}
kdb = keys.NewDB()
valRepo := tuf.NewRepo(kdb, nil)
valRepo.SetRoot(baseRepo.Root)
// because we sort the roles, the list of returned updates
// will contain shallower roles first, in this case "targets",
// and then "targets/level1"
updates, err := loadAndValidateTargets("gun", valRepo, roles, kdb, store)
assert.NoError(t, err)
assert.Len(t, updates, 1)
assert.Equal(t, "targets", updates[0].Role)
assert.Equal(t, tgtsJSON, updates[0].Data)
}
// ### End target validation with delegations tests