From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Brian Lee Date: Fri, 17 Feb 2023 16:05:17 -0800 Subject: [PATCH] Check key intent for selectors and prohibited flags Bug: 265015796 Test: atest FrameworksServicesTests: com.android.server.accounts.AccountManagerServiceTest (cherry picked from commit e53a96304352e2965176c8d32ac1b504e52ef185) (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:92114886bdce8467c52c655c186f3e7ab1e134d8) Merged-In: Ie16f8654337bd75eaad3156817470674b4f0cee3 Change-Id: Ie16f8654337bd75eaad3156817470674b4f0cee3 --- .../accounts/AccountManagerService.java | 18 +++++++--- .../accounts/AccountManagerServiceTest.java | 36 +++++++++++++++++++ .../AccountManagerServiceTestFixtures.java | 5 ++- .../TestAccountType1Authenticator.java | 5 +-- 4 files changed, 54 insertions(+), 10 deletions(-) diff --git a/services/core/java/com/android/server/accounts/AccountManagerService.java b/services/core/java/com/android/server/accounts/AccountManagerService.java index b4edf94927b2..a9c7b0c6a3f1 100644 --- a/services/core/java/com/android/server/accounts/AccountManagerService.java +++ b/services/core/java/com/android/server/accounts/AccountManagerService.java @@ -4808,10 +4808,6 @@ public class AccountManagerService if (intent.getClipData() == null) { intent.setClipData(ClipData.newPlainText(null, null)); } - intent.setFlags(intent.getFlags() & ~(Intent.FLAG_GRANT_READ_URI_PERMISSION - | Intent.FLAG_GRANT_WRITE_URI_PERMISSION - | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION - | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION)); long bid = Binder.clearCallingIdentity(); try { PackageManager pm = mContext.getPackageManager(); @@ -4858,7 +4854,19 @@ public class AccountManagerService if (intent == null) { return (simulateIntent == null); } - return intent.filterEquals(simulateIntent); + if (!intent.filterEquals(simulateIntent)) { + return false; + } + + if (intent.getSelector() != simulateIntent.getSelector()) { + return false; + } + + int prohibitedFlags = Intent.FLAG_GRANT_READ_URI_PERMISSION + | Intent.FLAG_GRANT_WRITE_URI_PERMISSION + | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION + | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION; + return (simulateIntent.getFlags() & prohibitedFlags) == 0; } private boolean isExportedSystemActivity(ActivityInfo activityInfo) { diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java index 215f1e8e2a9e..d379e8131268 100644 --- a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java +++ b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTest.java @@ -18,6 +18,7 @@ package com.android.server.accounts; import static android.database.sqlite.SQLiteDatabase.deleteDatabase; +import static org.mockito.ArgumentMatchers.contains; import static org.mockito.Matchers.any; import static org.mockito.Matchers.anyBoolean; import static org.mockito.Matchers.anyInt; @@ -686,6 +687,41 @@ public class AccountManagerServiceTest extends AndroidTestCase { assertNotNull(intent.getParcelableExtra(AccountManagerServiceTestFixtures.KEY_CALLBACK)); } + @SmallTest + public void testStartAddAccountSessionWhereAuthenticatorReturnsIntentWithProhibitedFlags() + throws Exception { + unlockSystemUser(); + ResolveInfo resolveInfo = new ResolveInfo(); + resolveInfo.activityInfo = new ActivityInfo(); + resolveInfo.activityInfo.applicationInfo = new ApplicationInfo(); + when(mMockPackageManager.resolveActivityAsUser( + any(Intent.class), anyInt(), anyInt())).thenReturn(resolveInfo); + when(mMockPackageManager.checkSignatures( + anyInt(), anyInt())).thenReturn(PackageManager.SIGNATURE_MATCH); + + final CountDownLatch latch = new CountDownLatch(1); + Response response = new Response(latch, mMockAccountManagerResponse); + Bundle options = createOptionsWithAccountName( + AccountManagerServiceTestFixtures.ACCOUNT_NAME_INTERVENE); + int prohibitedFlags = Intent.FLAG_GRANT_READ_URI_PERMISSION + | Intent.FLAG_GRANT_WRITE_URI_PERMISSION + | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION + | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION; + options.putInt(AccountManagerServiceTestFixtures.KEY_INTENT_FLAGS, prohibitedFlags); + + mAms.startAddAccountSession( + response, // response + AccountManagerServiceTestFixtures.ACCOUNT_TYPE_1, // accountType + "authTokenType", + null, // requiredFeatures + true, // expectActivityLaunch + options); // optionsIn + waitForLatch(latch); + + verify(mMockAccountManagerResponse).onError( + eq(AccountManager.ERROR_CODE_INVALID_RESPONSE), contains("invalid intent")); + } + @SmallTest public void testStartAddAccountSessionError() throws Exception { unlockSystemUser(); diff --git a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTestFixtures.java b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTestFixtures.java index 73f30d9f9e79..b98a6a891d55 100644 --- a/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTestFixtures.java +++ b/services/tests/servicestests/src/com/android/server/accounts/AccountManagerServiceTestFixtures.java @@ -17,9 +17,6 @@ package com.android.server.accounts; import android.accounts.Account; -import java.util.ArrayList; -import java.util.List; - /** * Constants shared between test AccountAuthenticators and AccountManagerServiceTest. */ @@ -31,6 +28,8 @@ public final class AccountManagerServiceTestFixtures { "account_manager_service_test:account_status_token_key"; public static final String KEY_ACCOUNT_PASSWORD = "account_manager_service_test:account_password_key"; + public static final String KEY_INTENT_FLAGS = + "account_manager_service_test:intent_flags_key"; public static final String KEY_OPTIONS_BUNDLE = "account_manager_service_test:option_bundle_key"; public static final String ACCOUNT_NAME_SUCCESS = "success_on_return@fixture.com"; diff --git a/services/tests/servicestests/src/com/android/server/accounts/TestAccountType1Authenticator.java b/services/tests/servicestests/src/com/android/server/accounts/TestAccountType1Authenticator.java index 8106364477d9..924443e9d5cf 100644 --- a/services/tests/servicestests/src/com/android/server/accounts/TestAccountType1Authenticator.java +++ b/services/tests/servicestests/src/com/android/server/accounts/TestAccountType1Authenticator.java @@ -24,8 +24,6 @@ import android.content.Context; import android.content.Intent; import android.os.Bundle; -import com.android.frameworks.servicestests.R; - import java.util.concurrent.atomic.AtomicInteger; /** @@ -270,11 +268,13 @@ public class TestAccountType1Authenticator extends AbstractAccountAuthenticator String accountName = null; Bundle sessionBundle = null; String password = null; + int intentFlags = 0; if (options != null) { accountName = options.getString(AccountManagerServiceTestFixtures.KEY_ACCOUNT_NAME); sessionBundle = options.getBundle( AccountManagerServiceTestFixtures.KEY_ACCOUNT_SESSION_BUNDLE); password = options.getString(AccountManagerServiceTestFixtures.KEY_ACCOUNT_PASSWORD); + intentFlags = options.getInt(AccountManagerServiceTestFixtures.KEY_INTENT_FLAGS, 0); } Bundle result = new Bundle(); @@ -302,6 +302,7 @@ public class TestAccountType1Authenticator extends AbstractAccountAuthenticator intent.putExtra(AccountManagerServiceTestFixtures.KEY_RESULT, eventualActivityResultData); intent.putExtra(AccountManagerServiceTestFixtures.KEY_CALLBACK, response); + intent.setFlags(intentFlags); result.putParcelable(AccountManager.KEY_INTENT, intent); } else {