Merge "Clean up permissions when system app fails to scan" into rvc-dev am:... (45025607) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerService.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -3175,6 +3175,10 @@ public class PackageManagerService extends IPackageManager.Stub
		psit.remove();
		logCriticalInfo(Log.WARN, "System package " + ps.name
		+ " no longer exists; it's data will be wiped");

		// Assume package is truly gone and wipe residual permissions.
		mPermissionManager.updatePermissions(ps.name, null);

		// Actual deletion of code and data will be handled by later
		// reconciliation step
		} else {

services/tests/PackageManagerServiceTests/host/Android.bp

+8 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,14 @@ java_test_host {
		":PackageManagerDummyAppVersion1",
		":PackageManagerDummyAppVersion2",
		":PackageManagerDummyAppVersion3",
		":PackageManagerDummyAppVersion4",
		":PackageManagerDummyAppOriginalOverride",
		":PackageManagerServiceHostTestsResources",
		]
		}

		filegroup {
		name: "PackageManagerServiceHostTestsResources",
		srcs: [ "resources/*" ],
		path: "resources/"
		}

services/tests/PackageManagerServiceTests/host/resources/PackageManagerDummyAppVersion3Invalid.apk

0 → 100644

+2.4 KiB

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services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/HostUtils.kt

+10 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.server.pm.test
		import com.android.internal.util.test.SystemPreparer
		import com.android.tradefed.device.ITestDevice
		import java.io.File
		import java.io.FileOutputStream

		internal fun SystemPreparer.pushApk(file: String, partition: Partition) =
		pushResourceFile(file, HostUtils.makePathForApk(file, partition))
		@@ -43,4 +44,13 @@ internal object HostUtils {
		.resolve(file.nameWithoutExtension)
		.resolve(file.name)
		.toString()

		fun copyResourceToHostFile(javaResourceName: String, file: File): File {
		javaClass.classLoader!!.getResource(javaResourceName).openStream().use { input ->
		FileOutputStream(file).use { output ->
		input.copyTo(output)
		}
		}
		return file
		}
		}

services/tests/PackageManagerServiceTests/host/src/com/android/server/pm/test/InvalidNewSystemAppTest.kt

0 → 100644

+83 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.pm.test

		import com.android.internal.util.test.SystemPreparer
		import com.android.tradefed.testtype.DeviceJUnit4ClassRunner
		import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test
		import com.google.common.truth.Truth.assertThat
		import org.junit.After
		import org.junit.Before
		import org.junit.ClassRule
		import org.junit.Rule
		import org.junit.Test
		import org.junit.rules.RuleChain
		import org.junit.rules.TemporaryFolder
		import org.junit.runner.RunWith

		@RunWith(DeviceJUnit4ClassRunner::class)
		class InvalidNewSystemAppTest : BaseHostJUnit4Test() {

		companion object {
		private const val TEST_PKG_NAME = "com.android.server.pm.test.dummy_app"
		private const val VERSION_ONE = "PackageManagerDummyAppVersion1.apk"
		private const val VERSION_TWO = "PackageManagerDummyAppVersion2.apk"
		private const val VERSION_THREE_INVALID = "PackageManagerDummyAppVersion3Invalid.apk"
		private const val VERSION_FOUR = "PackageManagerDummyAppVersion4.apk"

		@get:ClassRule
		val deviceRebootRule = SystemPreparer.TestRuleDelegate(true)
		}

		private val tempFolder = TemporaryFolder()
		private val preparer: SystemPreparer = SystemPreparer(tempFolder,
		SystemPreparer.RebootStrategy.START_STOP, deviceRebootRule) { this.device }

		@get:Rule
		val rules = RuleChain.outerRule(tempFolder).around(preparer)!!

		@Before
		@After
		fun uninstallDataPackage() {
		device.uninstallPackage(TEST_PKG_NAME)
		}

		@Test
		fun verify() {
		// First, push a system app to the device and then update it so there's a data variant
		val filePath = HostUtils.makePathForApk("PackageManagerDummyApp.apk", Partition.PRODUCT)

		preparer.pushResourceFile(VERSION_ONE, filePath)
		.reboot()

		val versionTwoFile = HostUtils.copyResourceToHostFile(VERSION_TWO, tempFolder.newFile())

		assertThat(device.installPackage(versionTwoFile, true)).isNull()

		// Then push a bad update to the system, overwriting the existing file as if an OTA occurred
		preparer.deleteFile(filePath)
		.pushResourceFile(VERSION_THREE_INVALID, filePath)
		.reboot()

		// This will remove the package from the device, which is expected
		assertThat(device.getAppPackageInfo(TEST_PKG_NAME)).isNull()

		// Then check that a user would still be able to install the application manually
		val versionFourFile = HostUtils.copyResourceToHostFile(VERSION_FOUR, tempFolder.newFile())
		assertThat(device.installPackage(versionFourFile, true)).isNull()
		}
		}