예제 #1
0
func TestValidateSnapshotMissing(t *testing.T) {
	_, repo, _ := testutils.EmptyRepo()
	store := storage.NewMemStorage()

	r, tg, sn, ts, err := testutils.Sign(repo)
	assert.NoError(t, err)
	root, targets, _, _, err := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrBadHierarchy{}, err)
}
예제 #2
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func TestValidateNoRoot(t *testing.T) {
	_, repo, _ := testutils.EmptyRepo()
	store := storage.NewMemStorage()

	r, tg, sn, ts, err := testutils.Sign(repo)
	assert.NoError(t, err)
	_, targets, snapshot, timestamp, err := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	updates := []storage.MetaUpdate{
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrValidation{}, err)
}
예제 #3
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func TestDownloadTimestampHappy(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample timestamp
	signedOrig, err := repo.SignTimestamp(data.DefaultExpires("timestamp"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("timestamp", orig)
	assert.NoError(t, err)

	err = client.downloadTimestamp()
	assert.NoError(t, err)
}
예제 #4
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func TestValidateTargetsModifiedHash(t *testing.T) {
	_, repo, _ := 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 := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrBadSnapshot{}, err)
}
예제 #5
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// TestDownloadTargetsNoSnapshot: it's never valid to download any targets
// role (incl. delegations) when a checksum is not available.
func TestDownloadTargetsNoSnapshot(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample targets
	signedOrig, err := repo.SignTargets("targets", data.DefaultExpires("targets"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("targets", orig)
	assert.NoError(t, err)

	repo.Snapshot = nil

	err = client.downloadTargets("targets")
	assert.IsType(t, ErrMissingMeta{}, err)
}
예제 #6
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func TestDownloadSnapshotNoChecksum(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample snapshot and timestamp
	signedOrig, err := repo.SignSnapshot(data.DefaultExpires("snapshot"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("snapshot", orig)
	assert.NoError(t, err)

	delete(repo.Timestamp.Signed.Meta["snapshot"].Hashes, "sha256")

	err = client.downloadSnapshot()
	assert.IsType(t, ErrMissingMeta{}, err)
}
예제 #7
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// ### Snapshot size mismatch negative tests ###
func TestValidateRootModifiedSize(t *testing.T) {
	_, repo, _ := 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 := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	// flip all the bits in the first byte
	root[0] = root[0] ^ 0xff

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrBadRoot{}, err)
}
예제 #8
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func TestDownloadTargetsHappy(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	signedOrig, err := repo.SignTargets("targets", data.DefaultExpires("targets"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("targets", orig)
	assert.NoError(t, err)

	// call repo.SignSnapshot to update the targets role in the snapshot
	repo.SignSnapshot(data.DefaultExpires("snapshot"), nil)

	err = client.downloadTargets("targets")
	assert.NoError(t, err)
}
예제 #9
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func TestUpdateDownloadRootHappy(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample root, snapshot, and timestamp
	signedOrig, err := repo.SignRoot(data.DefaultExpires("root"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("root", orig)
	assert.NoError(t, err)

	// sign snapshot to make root meta in snapshot get updated
	signedOrig, err = repo.SignSnapshot(data.DefaultExpires("snapshot"), nil)

	err = client.downloadRoot()
	assert.NoError(t, err)
}
예제 #10
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func TestBootstrapDownloadRootHappy(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample root
	signedOrig, err := repo.SignRoot(data.DefaultExpires("root"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("root", orig)
	assert.NoError(t, err)

	// unset snapshot as if we're bootstrapping from nothing
	repo.Snapshot = nil

	err = client.downloadRoot()
	assert.NoError(t, err)
}
예제 #11
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// ### Signature missing negative tests ###
func TestValidateRootSigMissing(t *testing.T) {
	_, repo, _ := 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 := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrBadRoot{}, err)
}
예제 #12
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func TestValidateSnapshotCorrupt(t *testing.T) {
	_, repo, _ := testutils.EmptyRepo()
	store := storage.NewMemStorage()

	r, tg, sn, ts, err := testutils.Sign(repo)
	assert.NoError(t, err)
	root, targets, snapshot, timestamp, err := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	// flip all the bits in the first byte
	snapshot[0] = snapshot[0] ^ 0xff

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.Error(t, err)
	assert.IsType(t, ErrBadSnapshot{}, err)
}
예제 #13
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func TestUpdateDownloadRootBadChecksum(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// sign snapshot to make sure we have a checksum for root
	_, err := repo.SignSnapshot(data.DefaultExpires("snapshot"), nil)
	assert.NoError(t, err)

	// create and "upload" sample root, snapshot, and timestamp
	signedOrig, err := repo.SignRoot(data.DefaultExpires("root"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("root", orig)
	assert.NoError(t, err)

	// don't sign snapshot again to ensure checksum is out of date (bad)

	err = client.downloadRoot()
	assert.IsType(t, ErrChecksumMismatch{}, err)
}
예제 #14
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func TestDownloadSnapshotBadChecksum(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// sign timestamp to ensure it has a checksum for snapshot
	_, err := repo.SignTimestamp(data.DefaultExpires("timestamp"), nil)
	assert.NoError(t, err)

	// create and "upload" sample snapshot and timestamp
	signedOrig, err := repo.SignSnapshot(data.DefaultExpires("snapshot"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	err = remoteStorage.SetMeta("snapshot", orig)
	assert.NoError(t, err)

	// by not signing timestamp again we ensure it has the wrong checksum

	err = client.downloadSnapshot()
	assert.IsType(t, ErrChecksumMismatch{}, err)
}
예제 #15
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func TestValidateOnlySnapshot(t *testing.T) {
	_, repo, _ := testutils.EmptyRepo()
	store := storage.NewMemStorage()

	r, tg, sn, ts, err := testutils.Sign(repo)
	assert.NoError(t, err)
	root, targets, snapshot, _, err := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	store.UpdateCurrent(
		"testGUN",
		storage.MetaUpdate{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
	)
	store.UpdateCurrent(
		"testGUN",
		storage.MetaUpdate{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
	)

	updates := []storage.MetaUpdate{
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.NoError(t, err)
}
예제 #16
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func TestDownloadTargetChecksumMismatch(t *testing.T) {
	kdb, repo, _ := testutils.EmptyRepo()
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, kdb, localStorage)

	// create and "upload" sample targets
	signedOrig, err := repo.SignTargets("targets", data.DefaultExpires("targets"), nil)
	assert.NoError(t, err)
	orig, err := json.Marshal(signedOrig)
	assert.NoError(t, err)
	origSha256 := sha256.Sum256(orig)
	orig[0] = '}' // corrupt data, should be a {
	err = remoteStorage.SetMeta("targets", orig)
	assert.NoError(t, err)

	// create local snapshot with targets file
	// It's necessary to do it this way rather than calling repo.SignSnapshot
	// so that we have the wrong sha256 in the snapshot.
	snap := data.SignedSnapshot{
		Signed: data.Snapshot{
			Meta: data.Files{
				"targets": data.FileMeta{
					Length: int64(len(orig)),
					Hashes: data.Hashes{
						"sha256": origSha256[:],
					},
				},
			},
		},
	}

	repo.Snapshot = &snap

	err = client.downloadTargets("targets")
	assert.IsType(t, ErrChecksumMismatch{}, err)
}
예제 #17
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func TestValidateRootRotation(t *testing.T) {
	_, repo, crypto := testutils.EmptyRepo()
	store := storage.NewMemStorage()

	r, tg, sn, ts, err := testutils.Sign(repo)
	assert.NoError(t, err)
	root, targets, snapshot, timestamp, err := testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	store.UpdateCurrent(
		"testGUN",
		storage.MetaUpdate{
			Role:    "root",
			Version: 1,
			Data:    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()] = data.NewPrivateKey(rootKey.Algorithm(), rootKey.Public(), nil)

	r, err = repo.SignRoot(data.DefaultExpires(data.CanonicalRootRole), nil)
	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), nil)
	assert.NoError(t, err)
	root, targets, snapshot, timestamp, err = testutils.Serialize(r, tg, sn, ts)
	assert.NoError(t, err)

	updates := []storage.MetaUpdate{
		{
			Role:    "root",
			Version: 1,
			Data:    root,
		},
		{
			Role:    "targets",
			Version: 1,
			Data:    targets,
		},
		{
			Role:    "snapshot",
			Version: 1,
			Data:    snapshot,
		},
		{
			Role:    "timestamp",
			Version: 1,
			Data:    timestamp,
		},
	}

	err = validateUpdate("testGUN", updates, store)
	assert.NoError(t, err)
}