Ejemplo n.º 1
0
func TestRotationNewSigMissing(t *testing.T) {
	logrus.SetLevel(logrus.DebugLevel)
	kdb := keys.NewDB()
	signer := signed.NewEd25519()
	repo := tuf.NewRepo(kdb, signer)
	remote := store.NewMemoryStore(nil, nil)
	cache := store.NewMemoryStore(nil, nil)

	// Generate initial root key and role and add to key DB
	rootKey, err := signer.Create("root", data.ED25519Key)
	assert.NoError(t, err, "Error creating root key")
	rootRole, err := data.NewRole("root", 1, []string{rootKey.ID()}, nil, nil)
	assert.NoError(t, err, "Error creating root role")

	kdb.AddKey(rootKey)
	err = kdb.AddRole(rootRole)
	assert.NoError(t, err, "Error adding root role to db")

	// Generate new key and role. These will appear in the root.json
	// but will not be added to the keyDB.
	replacementKey, err := signer.Create("root", data.ED25519Key)
	assert.NoError(t, err, "Error creating replacement root key")
	replacementRole, err := data.NewRole("root", 1, []string{replacementKey.ID()}, nil, nil)
	assert.NoError(t, err, "Error creating replacement root role")

	assert.NotEqual(t, rootKey.ID(), replacementKey.ID(), "Key IDs are the same")

	// Generate a new root with the replacement key and role
	testRoot, err := data.NewRoot(
		map[string]data.PublicKey{replacementKey.ID(): replacementKey},
		map[string]*data.RootRole{"root": &replacementRole.RootRole},
		false,
	)
	assert.NoError(t, err, "Failed to create new root")

	_, ok := testRoot.Signed.Keys[rootKey.ID()]
	assert.False(t, ok, "Old root key appeared in test root")

	// Sign testRoot with both old and new keys
	signedRoot, err := testRoot.ToSigned()
	err = signed.Sign(signer, signedRoot, rootKey)
	assert.NoError(t, err, "Failed to sign root")
	var origKeySig bool
	var replKeySig bool
	for _, sig := range signedRoot.Signatures {
		if sig.KeyID == rootKey.ID() {
			origKeySig = true
		} else if sig.KeyID == replacementKey.ID() {
			replKeySig = true
		}
	}
	assert.True(t, origKeySig, "Original root key signature not present")
	assert.False(t, replKeySig, "Replacement root key signature was present and shouldn't be")

	client := NewClient(repo, remote, kdb, cache)

	err = client.verifyRoot("root", signedRoot, 0)
	assert.Error(t, err, "Should have errored on verify as replacement signature was missing.")

}
Ejemplo n.º 2
0
// EmptyRepo creates an in memory key database, crypto service
// and initializes a repo with no targets or delegations.
func EmptyRepo() (*keys.KeyDB, *tuf.Repo, signed.CryptoService) {
	c := signed.NewEd25519()
	kdb := keys.NewDB()
	r := tuf.NewRepo(kdb, c)

	for _, role := range []string{"root", "targets", "snapshot", "timestamp"} {
		key, _ := c.Create(role, data.ED25519Key)
		role, _ := data.NewRole(role, 1, []string{key.ID()}, nil, nil)
		kdb.AddKey(key)
		kdb.AddRole(role)
	}

	r.InitRepo(false)
	return kdb, r, c
}
Ejemplo n.º 3
0
func TestChecksumMatch(t *testing.T) {
	repo := tuf.NewRepo(nil, nil)
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, nil, localStorage)

	sampleTargets := data.NewTargets()
	orig, err := json.Marshal(sampleTargets)
	origSha256 := sha256.Sum256(orig)
	assert.NoError(t, err)

	remoteStorage.SetMeta("targets", orig)

	_, _, err = client.downloadSigned("targets", int64(len(orig)), origSha256[:])
	assert.NoError(t, err)
}
Ejemplo n.º 4
0
func TestApplyChangelist(t *testing.T) {
	kdb := keys.NewDB()
	role, err := data.NewRole("targets", 1, nil, nil, nil)
	assert.NoError(t, err)
	kdb.AddRole(role)

	repo := tuf.NewRepo(kdb, nil)
	err = repo.InitTargets()
	assert.NoError(t, err)
	hash := sha256.Sum256([]byte{})
	f := &data.FileMeta{
		Length: 1,
		Hashes: map[string][]byte{
			"sha256": hash[:],
		},
	}
	fjson, err := json.Marshal(f)
	assert.NoError(t, err)

	cl := changelist.NewMemChangelist()
	addChange := &changelist.TufChange{
		Actn:       changelist.ActionCreate,
		Role:       changelist.ScopeTargets,
		ChangeType: "target",
		ChangePath: "latest",
		Data:       fjson,
	}
	cl.Add(addChange)
	err = applyChangelist(repo, cl)
	assert.NoError(t, err)
	assert.NotNil(t, repo.Targets["targets"].Signed.Targets["latest"])

	cl.Clear("")

	removeChange := &changelist.TufChange{
		Actn:       changelist.ActionDelete,
		Role:       changelist.ScopeTargets,
		ChangeType: "target",
		ChangePath: "latest",
		Data:       nil,
	}
	cl.Add(removeChange)
	err = applyChangelist(repo, cl)
	assert.NoError(t, err)
	_, ok := repo.Targets["targets"].Signed.Targets["latest"]
	assert.False(t, ok)
}
Ejemplo n.º 5
0
func TestSizeMismatchShort(t *testing.T) {
	repo := tuf.NewRepo(nil, nil)
	localStorage := store.NewMemoryStore(nil, nil)
	remoteStorage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, remoteStorage, nil, localStorage)

	sampleTargets := data.NewTargets()
	orig, err := json.Marshal(sampleTargets)
	origSha256 := sha256.Sum256(orig)
	assert.NoError(t, err)
	l := int64(len(orig))

	orig = orig[1:]

	remoteStorage.SetMeta("targets", orig)

	_, _, err = client.downloadSigned("targets", l, origSha256[:])
	// size just limits the data received, the error is caught
	// either during checksum verification or during json deserialization
	assert.IsType(t, ErrChecksumMismatch{}, err)
}
Ejemplo n.º 6
0
func TestCheckRootExpired(t *testing.T) {
	repo := tuf.NewRepo(nil, nil)
	storage := store.NewMemoryStore(nil, nil)
	client := NewClient(repo, storage, nil, storage)

	root := &data.SignedRoot{}
	root.Signed.Expires = time.Now().AddDate(-1, 0, 0)

	signedRoot, err := root.ToSigned()
	assert.NoError(t, err)
	rootJSON, err := json.Marshal(signedRoot)
	assert.NoError(t, err)

	rootHash := sha256.Sum256(rootJSON)

	testSnap := &data.SignedSnapshot{
		Signed: data.Snapshot{
			Meta: map[string]data.FileMeta{
				"root": {
					Length: int64(len(rootJSON)),
					Hashes: map[string][]byte{
						"sha256": rootHash[:],
					},
				},
			},
		},
	}
	repo.SetRoot(root)
	repo.SetSnapshot(testSnap)

	storage.SetMeta("root", rootJSON)

	err = client.checkRoot()
	assert.Error(t, err)
	assert.IsType(t, tuf.ErrLocalRootExpired{}, err)
}