Merge "Disable RecoverableKeyStoreManager for custom lockscreens." into pi-dev (c9020b18) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/locksettings/recoverablekeystore/KeySyncTask.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -148,6 +148,11 @@ public class KeySyncTask implements Runnable {
		mPlatformKeyManager.invalidatePlatformKey(mUserId, generation);
		return;
		}
		if (isCustomLockScreen()) {
		Log.w(TAG, "Unsupported credential type " + mCredentialType + "for user " + mUserId);
		mRecoverableKeyStoreDb.invalidateKeysForUserIdOnCustomScreenLock(mUserId);
		return;
		}

		List<Integer> recoveryAgents = mRecoverableKeyStoreDb.getRecoveryAgents(mUserId);
		for (int uid : recoveryAgents) {
		@@ -158,6 +163,12 @@ public class KeySyncTask implements Runnable {
		}
		}

		private boolean isCustomLockScreen() {
		return mCredentialType != LockPatternUtils.CREDENTIAL_TYPE_NONE
		&& mCredentialType != LockPatternUtils.CREDENTIAL_TYPE_PATTERN
		&& mCredentialType != LockPatternUtils.CREDENTIAL_TYPE_PASSWORD;
		}

		private void syncKeysForAgent(int recoveryAgentUid) {
		boolean recreateCurrentVersion = false;
		if (!shoudCreateSnapshot(recoveryAgentUid)) {

services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDb.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -319,6 +319,20 @@ public class RecoverableKeyStoreDb {
		new String[] {String.valueOf(userId), String.valueOf(newGenerationId)});
		}

		/**
		* Updates status of old keys to {@code RecoveryController.RECOVERY_STATUS_PERMANENT_FAILURE}.
		*/
		public void invalidateKeysForUserIdOnCustomScreenLock(int userId) {
		SQLiteDatabase db = mKeyStoreDbHelper.getWritableDatabase();
		ContentValues values = new ContentValues();
		values.put(KeysEntry.COLUMN_NAME_RECOVERY_STATUS,
		RecoveryController.RECOVERY_STATUS_PERMANENT_FAILURE);
		String selection =
		KeysEntry.COLUMN_NAME_USER_ID + " = ?";
		db.update(KeysEntry.TABLE_NAME, values, selection,
		new String[] {String.valueOf(userId)});
		}

		/**
		* Returns the generation ID associated with the platform key of the user with {@code userId}.
		*/

services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/KeySyncTaskTest.java

+30 −0

Original line number	Diff line number	Diff line
		@@ -42,11 +42,13 @@ import android.security.keystore.KeyGenParameterSpec;
		import android.security.keystore.KeyProperties;
		import android.security.keystore.recovery.KeyDerivationParams;
		import android.security.keystore.recovery.KeyChainSnapshot;
		import android.security.keystore.recovery.RecoveryController;
		import android.security.keystore.recovery.WrappedApplicationKey;
		import android.support.test.InstrumentationRegistry;
		import android.support.test.filters.SmallTest;
		import android.support.test.runner.AndroidJUnit4;

		import android.util.Log;
		import com.android.server.locksettings.recoverablekeystore.storage.RecoverableKeyStoreDb;
		import com.android.server.locksettings.recoverablekeystore.storage.RecoverySnapshotStorage;

		@@ -516,6 +518,34 @@ public class KeySyncTaskTest {
		recoverySnapshotAvailable(TEST_RECOVERY_AGENT_UID2);
		}

		@Test
		public void run_customLockScreen_RecoveryStatusFailure() throws Exception {
		mKeySyncTask = new KeySyncTask(
		mRecoverableKeyStoreDb,
		mRecoverySnapshotStorage,
		mSnapshotListenersStorage,
		TEST_USER_ID,
		/credentialType=/ 3,
		"12345",
		/credentialUpdated=/ false,
		mPlatformKeyManager);

		addApplicationKey(TEST_USER_ID, TEST_RECOVERY_AGENT_UID, TEST_APP_KEY_ALIAS);

		int status =
		mRecoverableKeyStoreDb
		.getStatusForAllKeys(TEST_RECOVERY_AGENT_UID)
		.get(TEST_APP_KEY_ALIAS);
		assertEquals(RecoveryController.RECOVERY_STATUS_SYNC_IN_PROGRESS, status);

		mKeySyncTask.run();

		status = mRecoverableKeyStoreDb
		.getStatusForAllKeys(TEST_RECOVERY_AGENT_UID)
		.get(TEST_APP_KEY_ALIAS);
		assertEquals(RecoveryController.RECOVERY_STATUS_PERMANENT_FAILURE, status);
		}

		private SecretKey addApplicationKey(int userId, int recoveryAgentUid, String alias)
		throws Exception{
		SecretKey applicationKey = generateKey();

services/tests/servicestests/src/com/android/server/locksettings/recoverablekeystore/storage/RecoverableKeyStoreDbTest.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -341,6 +341,30 @@ public class RecoverableKeyStoreDbTest {
		.isEqualTo(RecoveryController.RECOVERY_STATUS_PERMANENT_FAILURE);
		}

		@Test
		public void testInvalidateKeysForUserIdOnCustomScreenLock() {
		int userId = 12;
		int uid = 1009;
		int generationId = 6;
		int status = 120;
		int status2 = 121;
		String alias = "test";
		byte[] nonce = getUtf8Bytes("nonce");
		byte[] keyMaterial = getUtf8Bytes("keymaterial");
		WrappedKey wrappedKey = new WrappedKey(nonce, keyMaterial, generationId, status);
		mRecoverableKeyStoreDb.insertKey(userId, uid, alias, wrappedKey);

		WrappedKey retrievedKey = mRecoverableKeyStoreDb.getKey(uid, alias);
		assertThat(retrievedKey.getRecoveryStatus()).isEqualTo(status);

		mRecoverableKeyStoreDb.setRecoveryStatus(uid, alias, status2);
		mRecoverableKeyStoreDb.invalidateKeysForUserIdOnCustomScreenLock(userId);

		retrievedKey = mRecoverableKeyStoreDb.getKey(uid, alias);
		assertThat(retrievedKey.getRecoveryStatus())
		.isEqualTo(RecoveryController.RECOVERY_STATUS_PERMANENT_FAILURE);
		}

		@Test
		public void setRecoveryServicePublicKey_replaceOldKey() throws Exception {
		int userId = 12;