Move DefaultPermissionGrantPolicy

Move this class to the permission sub-class. No longer depends upon
PackageManager's lock and adds some internal interfaces so it can
get back to the PackageManager.

Bug: 63539144
Test: Manual. Builds and runs
Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.PermissionsHostTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsPermissionTestCases
Test: cts-tradefed run commandAndExit cts-dev -m CtsPermission2TestCases
Change-Id: Ibc1500f56cfb67722e68b258ea59118603508912
diff --git a/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java b/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java
new file mode 100644
index 0000000..4e68f58
--- /dev/null
+++ b/services/core/java/com/android/server/pm/permission/DefaultPermissionGrantPolicy.java
@@ -0,0 +1,1291 @@
+/*
+ * Copyright (C) 2015 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.permission;
+
+import android.Manifest;
+import android.annotation.NonNull;
+import android.app.ActivityManager;
+import android.app.DownloadManager;
+import android.app.admin.DevicePolicyManager;
+import android.companion.CompanionDeviceManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.IPackageManager;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManagerInternal;
+import android.content.pm.PackageManagerInternal.PackagesProvider;
+import android.content.pm.PackageManagerInternal.SyncAdapterPackagesProvider;
+import android.content.pm.PackageParser;
+import android.content.pm.ProviderInfo;
+import android.content.pm.ResolveInfo;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.Build;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.os.UserHandle;
+import android.os.storage.StorageManager;
+import android.print.PrintManager;
+import android.provider.CalendarContract;
+import android.provider.ContactsContract;
+import android.provider.MediaStore;
+import android.provider.Telephony.Sms.Intents;
+import android.telephony.TelephonyManager;
+import android.security.Credentials;
+import android.util.ArrayMap;
+import android.util.ArraySet;
+import android.util.Log;
+import android.util.Slog;
+import android.util.Xml;
+import com.android.internal.util.XmlUtils;
+import com.android.server.LocalServices;
+import com.android.server.pm.PackageManagerService;
+import com.android.server.pm.PackageSetting;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import static android.os.Process.FIRST_APPLICATION_UID;
+
+/**
+ * This class is the policy for granting runtime permissions to
+ * platform components and default handlers in the system such
+ * that the device is usable out-of-the-box. For example, the
+ * shell UID is a part of the system and the Phone app should
+ * have phone related permission by default.
+ * <p>
+ * NOTE: This class is at the wrong abstraction level. It is a part of the package manager
+ * service but knows about lots of higher level subsystems. The correct way to do this is
+ * to have an interface defined in the package manager but have the impl next to other
+ * policy stuff like PhoneWindowManager
+ */
+public final class DefaultPermissionGrantPolicy {
+    private static final String TAG = "DefaultPermGrantPolicy"; // must be <= 23 chars
+    private static final boolean DEBUG = false;
+
+    private static final int DEFAULT_FLAGS =
+            PackageManager.MATCH_DIRECT_BOOT_AWARE | PackageManager.MATCH_DIRECT_BOOT_UNAWARE
+                    | PackageManager.MATCH_UNINSTALLED_PACKAGES;
+
+    private static final String AUDIO_MIME_TYPE = "audio/mpeg";
+
+    private static final String TAG_EXCEPTIONS = "exceptions";
+    private static final String TAG_EXCEPTION = "exception";
+    private static final String TAG_PERMISSION = "permission";
+    private static final String ATTR_PACKAGE = "package";
+    private static final String ATTR_NAME = "name";
+    private static final String ATTR_FIXED = "fixed";
+
+    private static final Set<String> PHONE_PERMISSIONS = new ArraySet<>();
+    static {
+        PHONE_PERMISSIONS.add(Manifest.permission.READ_PHONE_STATE);
+        PHONE_PERMISSIONS.add(Manifest.permission.CALL_PHONE);
+        PHONE_PERMISSIONS.add(Manifest.permission.READ_CALL_LOG);
+        PHONE_PERMISSIONS.add(Manifest.permission.WRITE_CALL_LOG);
+        PHONE_PERMISSIONS.add(Manifest.permission.ADD_VOICEMAIL);
+        PHONE_PERMISSIONS.add(Manifest.permission.USE_SIP);
+        PHONE_PERMISSIONS.add(Manifest.permission.PROCESS_OUTGOING_CALLS);
+    }
+
+    private static final Set<String> CONTACTS_PERMISSIONS = new ArraySet<>();
+    static {
+        CONTACTS_PERMISSIONS.add(Manifest.permission.READ_CONTACTS);
+        CONTACTS_PERMISSIONS.add(Manifest.permission.WRITE_CONTACTS);
+        CONTACTS_PERMISSIONS.add(Manifest.permission.GET_ACCOUNTS);
+    }
+
+    private static final Set<String> LOCATION_PERMISSIONS = new ArraySet<>();
+    static {
+        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_FINE_LOCATION);
+        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_COARSE_LOCATION);
+    }
+
+    private static final Set<String> CALENDAR_PERMISSIONS = new ArraySet<>();
+    static {
+        CALENDAR_PERMISSIONS.add(Manifest.permission.READ_CALENDAR);
+        CALENDAR_PERMISSIONS.add(Manifest.permission.WRITE_CALENDAR);
+    }
+
+    private static final Set<String> SMS_PERMISSIONS = new ArraySet<>();
+    static {
+        SMS_PERMISSIONS.add(Manifest.permission.SEND_SMS);
+        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_SMS);
+        SMS_PERMISSIONS.add(Manifest.permission.READ_SMS);
+        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_WAP_PUSH);
+        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_MMS);
+        SMS_PERMISSIONS.add(Manifest.permission.READ_CELL_BROADCASTS);
+    }
+
+    private static final Set<String> MICROPHONE_PERMISSIONS = new ArraySet<>();
+    static {
+        MICROPHONE_PERMISSIONS.add(Manifest.permission.RECORD_AUDIO);
+    }
+
+    private static final Set<String> CAMERA_PERMISSIONS = new ArraySet<>();
+    static {
+        CAMERA_PERMISSIONS.add(Manifest.permission.CAMERA);
+    }
+
+    private static final Set<String> SENSORS_PERMISSIONS = new ArraySet<>();
+    static {
+        SENSORS_PERMISSIONS.add(Manifest.permission.BODY_SENSORS);
+    }
+
+    private static final Set<String> STORAGE_PERMISSIONS = new ArraySet<>();
+    static {
+        STORAGE_PERMISSIONS.add(Manifest.permission.READ_EXTERNAL_STORAGE);
+        STORAGE_PERMISSIONS.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
+    }
+
+    private static final int MSG_READ_DEFAULT_PERMISSION_EXCEPTIONS = 1;
+
+    private static final String ACTION_TRACK = "com.android.fitness.TRACK";
+
+    private final Handler mHandler;
+
+    private PackagesProvider mLocationPackagesProvider;
+    private PackagesProvider mVoiceInteractionPackagesProvider;
+    private PackagesProvider mSmsAppPackagesProvider;
+    private PackagesProvider mDialerAppPackagesProvider;
+    private PackagesProvider mSimCallManagerPackagesProvider;
+    private SyncAdapterPackagesProvider mSyncAdapterPackagesProvider;
+
+    private ArrayMap<String, List<DefaultPermissionGrant>> mGrantExceptions;
+    private final Context mContext;
+    private final Object mLock = new Object();
+    private final PackageManagerInternal mServiceInternal;
+    private final DefaultPermissionGrantedCallback mPermissionGrantedCallback;
+    public interface DefaultPermissionGrantedCallback {
+        /** Callback when permissions have been granted */
+        public void onDefaultRuntimePermissionsGranted(int userId);
+    }
+
+    public DefaultPermissionGrantPolicy(Context context, Looper looper,
+            DefaultPermissionGrantedCallback callback) {
+        mContext = context;
+        mHandler = new Handler(looper) {
+            @Override
+            public void handleMessage(Message msg) {
+                if (msg.what == MSG_READ_DEFAULT_PERMISSION_EXCEPTIONS) {
+                    synchronized (mLock) {
+                        if (mGrantExceptions == null) {
+                            mGrantExceptions = readDefaultPermissionExceptionsLocked();
+                        }
+                    }
+                }
+            }
+        };
+        mPermissionGrantedCallback = callback;
+        mServiceInternal = LocalServices.getService(PackageManagerInternal.class);
+    }
+
+    public void setLocationPackagesProvider(PackagesProvider provider) {
+        synchronized (mLock) {
+            mLocationPackagesProvider = provider;
+        }
+    }
+
+    public void setVoiceInteractionPackagesProvider(PackagesProvider provider) {
+        synchronized (mLock) {
+            mVoiceInteractionPackagesProvider = provider;
+        }
+    }
+
+    public void setSmsAppPackagesProvider(PackagesProvider provider) {
+        synchronized (mLock) {
+            mSmsAppPackagesProvider = provider;
+        }
+    }
+
+    public void setDialerAppPackagesProvider(PackagesProvider provider) {
+        synchronized (mLock) {
+            mDialerAppPackagesProvider = provider;
+        }
+    }
+
+    public void setSimCallManagerPackagesProvider(PackagesProvider provider) {
+        synchronized (mLock) {
+            mSimCallManagerPackagesProvider = provider;
+        }
+    }
+
+    public void setSyncAdapterPackagesProvider(SyncAdapterPackagesProvider provider) {
+        synchronized (mLock) {
+            mSyncAdapterPackagesProvider = provider;
+        }
+    }
+
+    public void grantDefaultPermissions(Collection<PackageParser.Package> packages, int userId) {
+        if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_EMBEDDED, 0)) {
+            grantAllRuntimePermissions(packages, userId);
+        } else {
+            grantPermissionsToSysComponentsAndPrivApps(packages, userId);
+            grantDefaultSystemHandlerPermissions(userId);
+            grantDefaultPermissionExceptions(userId);
+        }
+    }
+
+    private void grantRuntimePermissionsForPackage(int userId, PackageParser.Package pkg) {
+        Set<String> permissions = new ArraySet<>();
+        for (String permission :  pkg.requestedPermissions) {
+            final Object obj = mServiceInternal.getPermissionTEMP(permission);
+            if (obj == null || !(obj instanceof BasePermission)) {
+                continue;
+            }
+            final BasePermission bp = (BasePermission) obj;
+            if (bp.isRuntime()) {
+                permissions.add(permission);
+            }
+        }
+        if (!permissions.isEmpty()) {
+            grantRuntimePermissions(pkg, permissions, true, userId);
+        }
+    }
+
+    private void grantAllRuntimePermissions(
+            Collection<PackageParser.Package> packages, int userId) {
+        Log.i(TAG, "Granting all runtime permissions for user " + userId);
+        for (PackageParser.Package pkg : packages) {
+            grantRuntimePermissionsForPackage(userId, pkg);
+        }
+    }
+
+    public void scheduleReadDefaultPermissionExceptions() {
+        mHandler.sendEmptyMessage(MSG_READ_DEFAULT_PERMISSION_EXCEPTIONS);
+    }
+
+    private void grantPermissionsToSysComponentsAndPrivApps(
+            Collection<PackageParser.Package> packages, int userId) {
+        Log.i(TAG, "Granting permissions to platform components for user " + userId);
+        for (PackageParser.Package pkg : packages) {
+            if (!isSysComponentOrPersistentPlatformSignedPrivApp(pkg)
+                    || !doesPackageSupportRuntimePermissions(pkg)
+                    || pkg.requestedPermissions.isEmpty()) {
+                continue;
+            }
+            grantRuntimePermissionsForPackage(userId, pkg);
+        }
+    }
+
+    private void grantDefaultSystemHandlerPermissions(int userId) {
+        Log.i(TAG, "Granting permissions to default platform handlers for user " + userId);
+
+        final PackagesProvider locationPackagesProvider;
+        final PackagesProvider voiceInteractionPackagesProvider;
+        final PackagesProvider smsAppPackagesProvider;
+        final PackagesProvider dialerAppPackagesProvider;
+        final PackagesProvider simCallManagerPackagesProvider;
+        final SyncAdapterPackagesProvider syncAdapterPackagesProvider;
+
+        synchronized (mLock) {
+            locationPackagesProvider = mLocationPackagesProvider;
+            voiceInteractionPackagesProvider = mVoiceInteractionPackagesProvider;
+            smsAppPackagesProvider = mSmsAppPackagesProvider;
+            dialerAppPackagesProvider = mDialerAppPackagesProvider;
+            simCallManagerPackagesProvider = mSimCallManagerPackagesProvider;
+            syncAdapterPackagesProvider = mSyncAdapterPackagesProvider;
+        }
+
+        String[] voiceInteractPackageNames = (voiceInteractionPackagesProvider != null)
+                ? voiceInteractionPackagesProvider.getPackages(userId) : null;
+        String[] locationPackageNames = (locationPackagesProvider != null)
+                ? locationPackagesProvider.getPackages(userId) : null;
+        String[] smsAppPackageNames = (smsAppPackagesProvider != null)
+                ? smsAppPackagesProvider.getPackages(userId) : null;
+        String[] dialerAppPackageNames = (dialerAppPackagesProvider != null)
+                ? dialerAppPackagesProvider.getPackages(userId) : null;
+        String[] simCallManagerPackageNames = (simCallManagerPackagesProvider != null)
+                ? simCallManagerPackagesProvider.getPackages(userId) : null;
+        String[] contactsSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
+                syncAdapterPackagesProvider.getPackages(ContactsContract.AUTHORITY, userId) : null;
+        String[] calendarSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
+                syncAdapterPackagesProvider.getPackages(CalendarContract.AUTHORITY, userId) : null;
+
+        // Installer
+        final String installerPackageName = mServiceInternal.getKnownPackageName(
+                PackageManagerInternal.PACKAGE_INSTALLER, userId);
+        PackageParser.Package installerPackage = getSystemPackage(installerPackageName);
+        if (installerPackage != null
+                && doesPackageSupportRuntimePermissions(installerPackage)) {
+            grantRuntimePermissions(installerPackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Verifier
+        final String verifierPackageName = mServiceInternal.getKnownPackageName(
+                PackageManagerInternal.PACKAGE_VERIFIER, userId);
+        PackageParser.Package verifierPackage = getSystemPackage(verifierPackageName);
+        if (verifierPackage != null
+                && doesPackageSupportRuntimePermissions(verifierPackage)) {
+            grantRuntimePermissions(verifierPackage, STORAGE_PERMISSIONS, true, userId);
+            grantRuntimePermissions(verifierPackage, PHONE_PERMISSIONS, false, userId);
+            grantRuntimePermissions(verifierPackage, SMS_PERMISSIONS, false, userId);
+        }
+
+        // SetupWizard
+        final String setupWizardPackageName = mServiceInternal.getKnownPackageName(
+                PackageManagerInternal.PACKAGE_SETUP_WIZARD, userId);
+        PackageParser.Package setupPackage = getSystemPackage(setupWizardPackageName);
+        if (setupPackage != null
+                && doesPackageSupportRuntimePermissions(setupPackage)) {
+            grantRuntimePermissions(setupPackage, PHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(setupPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(setupPackage, LOCATION_PERMISSIONS, userId);
+            grantRuntimePermissions(setupPackage, CAMERA_PERMISSIONS, userId);
+        }
+
+        // Camera
+        Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+        PackageParser.Package cameraPackage = getDefaultSystemHandlerActivityPackage(
+                cameraIntent, userId);
+        if (cameraPackage != null
+                && doesPackageSupportRuntimePermissions(cameraPackage)) {
+            grantRuntimePermissions(cameraPackage, CAMERA_PERMISSIONS, userId);
+            grantRuntimePermissions(cameraPackage, MICROPHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(cameraPackage, STORAGE_PERMISSIONS, userId);
+        }
+
+        // Media provider
+        PackageParser.Package mediaStorePackage = getDefaultProviderAuthorityPackage(
+                MediaStore.AUTHORITY, userId);
+        if (mediaStorePackage != null) {
+            grantRuntimePermissions(mediaStorePackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Downloads provider
+        PackageParser.Package downloadsPackage = getDefaultProviderAuthorityPackage(
+                "downloads", userId);
+        if (downloadsPackage != null) {
+            grantRuntimePermissions(downloadsPackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Downloads UI
+        Intent downloadsUiIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
+        PackageParser.Package downloadsUiPackage = getDefaultSystemHandlerActivityPackage(
+                downloadsUiIntent, userId);
+        if (downloadsUiPackage != null
+                && doesPackageSupportRuntimePermissions(downloadsUiPackage)) {
+            grantRuntimePermissions(downloadsUiPackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Storage provider
+        PackageParser.Package storagePackage = getDefaultProviderAuthorityPackage(
+                "com.android.externalstorage.documents", userId);
+        if (storagePackage != null) {
+            grantRuntimePermissions(storagePackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // CertInstaller
+        Intent certInstallerIntent = new Intent(Credentials.INSTALL_ACTION);
+        PackageParser.Package certInstallerPackage = getDefaultSystemHandlerActivityPackage(
+                certInstallerIntent, userId);
+        if (certInstallerPackage != null
+                && doesPackageSupportRuntimePermissions(certInstallerPackage)) {
+            grantRuntimePermissions(certInstallerPackage, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Dialer
+        if (dialerAppPackageNames == null) {
+            Intent dialerIntent = new Intent(Intent.ACTION_DIAL);
+            PackageParser.Package dialerPackage = getDefaultSystemHandlerActivityPackage(
+                    dialerIntent, userId);
+            if (dialerPackage != null) {
+                grantDefaultPermissionsToDefaultSystemDialerApp(dialerPackage, userId);
+            }
+        } else {
+            for (String dialerAppPackageName : dialerAppPackageNames) {
+                PackageParser.Package dialerPackage = getSystemPackage(dialerAppPackageName);
+                if (dialerPackage != null) {
+                    grantDefaultPermissionsToDefaultSystemDialerApp(dialerPackage, userId);
+                }
+            }
+        }
+
+        // Sim call manager
+        if (simCallManagerPackageNames != null) {
+            for (String simCallManagerPackageName : simCallManagerPackageNames) {
+                PackageParser.Package simCallManagerPackage =
+                        getSystemPackage(simCallManagerPackageName);
+                if (simCallManagerPackage != null) {
+                    grantDefaultPermissionsToDefaultSimCallManager(simCallManagerPackage,
+                            userId);
+                }
+            }
+        }
+
+        // SMS
+        if (smsAppPackageNames == null) {
+            Intent smsIntent = new Intent(Intent.ACTION_MAIN);
+            smsIntent.addCategory(Intent.CATEGORY_APP_MESSAGING);
+            PackageParser.Package smsPackage = getDefaultSystemHandlerActivityPackage(
+                    smsIntent, userId);
+            if (smsPackage != null) {
+               grantDefaultPermissionsToDefaultSystemSmsApp(smsPackage, userId);
+            }
+        } else {
+            for (String smsPackageName : smsAppPackageNames) {
+                PackageParser.Package smsPackage = getSystemPackage(smsPackageName);
+                if (smsPackage != null) {
+                    grantDefaultPermissionsToDefaultSystemSmsApp(smsPackage, userId);
+                }
+            }
+        }
+
+        // Cell Broadcast Receiver
+        Intent cbrIntent = new Intent(Intents.SMS_CB_RECEIVED_ACTION);
+        PackageParser.Package cbrPackage =
+                getDefaultSystemHandlerActivityPackage(cbrIntent, userId);
+        if (cbrPackage != null && doesPackageSupportRuntimePermissions(cbrPackage)) {
+            grantRuntimePermissions(cbrPackage, SMS_PERMISSIONS, userId);
+        }
+
+        // Carrier Provisioning Service
+        Intent carrierProvIntent = new Intent(Intents.SMS_CARRIER_PROVISION_ACTION);
+        PackageParser.Package carrierProvPackage =
+                getDefaultSystemHandlerServicePackage(carrierProvIntent, userId);
+        if (carrierProvPackage != null
+                && doesPackageSupportRuntimePermissions(carrierProvPackage)) {
+            grantRuntimePermissions(carrierProvPackage, SMS_PERMISSIONS, false, userId);
+        }
+
+        // Calendar
+        Intent calendarIntent = new Intent(Intent.ACTION_MAIN);
+        calendarIntent.addCategory(Intent.CATEGORY_APP_CALENDAR);
+        PackageParser.Package calendarPackage = getDefaultSystemHandlerActivityPackage(
+                calendarIntent, userId);
+        if (calendarPackage != null
+                && doesPackageSupportRuntimePermissions(calendarPackage)) {
+            grantRuntimePermissions(calendarPackage, CALENDAR_PERMISSIONS, userId);
+            grantRuntimePermissions(calendarPackage, CONTACTS_PERMISSIONS, userId);
+        }
+
+        // Calendar provider
+        PackageParser.Package calendarProviderPackage = getDefaultProviderAuthorityPackage(
+                CalendarContract.AUTHORITY, userId);
+        if (calendarProviderPackage != null) {
+            grantRuntimePermissions(calendarProviderPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(calendarProviderPackage, CALENDAR_PERMISSIONS,
+                    true, userId);
+            grantRuntimePermissions(calendarProviderPackage, STORAGE_PERMISSIONS, userId);
+        }
+
+        // Calendar provider sync adapters
+        List<PackageParser.Package> calendarSyncAdapters = getHeadlessSyncAdapterPackages(
+                calendarSyncAdapterPackages, userId);
+        final int calendarSyncAdapterCount = calendarSyncAdapters.size();
+        for (int i = 0; i < calendarSyncAdapterCount; i++) {
+            PackageParser.Package calendarSyncAdapter = calendarSyncAdapters.get(i);
+            if (doesPackageSupportRuntimePermissions(calendarSyncAdapter)) {
+                grantRuntimePermissions(calendarSyncAdapter, CALENDAR_PERMISSIONS, userId);
+            }
+        }
+
+        // Contacts
+        Intent contactsIntent = new Intent(Intent.ACTION_MAIN);
+        contactsIntent.addCategory(Intent.CATEGORY_APP_CONTACTS);
+        PackageParser.Package contactsPackage = getDefaultSystemHandlerActivityPackage(
+                contactsIntent, userId);
+        if (contactsPackage != null
+                && doesPackageSupportRuntimePermissions(contactsPackage)) {
+            grantRuntimePermissions(contactsPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(contactsPackage, PHONE_PERMISSIONS, userId);
+        }
+
+        // Contacts provider sync adapters
+        List<PackageParser.Package> contactsSyncAdapters = getHeadlessSyncAdapterPackages(
+                contactsSyncAdapterPackages, userId);
+        final int contactsSyncAdapterCount = contactsSyncAdapters.size();
+        for (int i = 0; i < contactsSyncAdapterCount; i++) {
+            PackageParser.Package contactsSyncAdapter = contactsSyncAdapters.get(i);
+            if (doesPackageSupportRuntimePermissions(contactsSyncAdapter)) {
+                grantRuntimePermissions(contactsSyncAdapter, CONTACTS_PERMISSIONS, userId);
+            }
+        }
+
+        // Contacts provider
+        PackageParser.Package contactsProviderPackage = getDefaultProviderAuthorityPackage(
+                ContactsContract.AUTHORITY, userId);
+        if (contactsProviderPackage != null) {
+            grantRuntimePermissions(contactsProviderPackage, CONTACTS_PERMISSIONS,
+                    true, userId);
+            grantRuntimePermissions(contactsProviderPackage, PHONE_PERMISSIONS,
+                    true, userId);
+            grantRuntimePermissions(contactsProviderPackage, STORAGE_PERMISSIONS, userId);
+        }
+
+        // Device provisioning
+        Intent deviceProvisionIntent = new Intent(
+                DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE);
+        PackageParser.Package deviceProvisionPackage =
+                getDefaultSystemHandlerActivityPackage(deviceProvisionIntent, userId);
+        if (deviceProvisionPackage != null
+                && doesPackageSupportRuntimePermissions(deviceProvisionPackage)) {
+            grantRuntimePermissions(deviceProvisionPackage, CONTACTS_PERMISSIONS, userId);
+        }
+
+        // Maps
+        Intent mapsIntent = new Intent(Intent.ACTION_MAIN);
+        mapsIntent.addCategory(Intent.CATEGORY_APP_MAPS);
+        PackageParser.Package mapsPackage = getDefaultSystemHandlerActivityPackage(
+                mapsIntent, userId);
+        if (mapsPackage != null
+                && doesPackageSupportRuntimePermissions(mapsPackage)) {
+            grantRuntimePermissions(mapsPackage, LOCATION_PERMISSIONS, userId);
+        }
+
+        // Gallery
+        Intent galleryIntent = new Intent(Intent.ACTION_MAIN);
+        galleryIntent.addCategory(Intent.CATEGORY_APP_GALLERY);
+        PackageParser.Package galleryPackage = getDefaultSystemHandlerActivityPackage(
+                galleryIntent, userId);
+        if (galleryPackage != null
+                && doesPackageSupportRuntimePermissions(galleryPackage)) {
+            grantRuntimePermissions(galleryPackage, STORAGE_PERMISSIONS, userId);
+        }
+
+        // Email
+        Intent emailIntent = new Intent(Intent.ACTION_MAIN);
+        emailIntent.addCategory(Intent.CATEGORY_APP_EMAIL);
+        PackageParser.Package emailPackage = getDefaultSystemHandlerActivityPackage(
+                emailIntent, userId);
+        if (emailPackage != null
+                && doesPackageSupportRuntimePermissions(emailPackage)) {
+            grantRuntimePermissions(emailPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(emailPackage, CALENDAR_PERMISSIONS, userId);
+        }
+
+        // Browser
+        PackageParser.Package browserPackage = null;
+        String defaultBrowserPackage = mServiceInternal.getKnownPackageName(
+                PackageManagerInternal.PACKAGE_BROWSER, userId);
+        if (defaultBrowserPackage != null) {
+            browserPackage = getPackage(defaultBrowserPackage);
+        }
+        if (browserPackage == null) {
+            Intent browserIntent = new Intent(Intent.ACTION_MAIN);
+            browserIntent.addCategory(Intent.CATEGORY_APP_BROWSER);
+            browserPackage = getDefaultSystemHandlerActivityPackage(
+                    browserIntent, userId);
+        }
+        if (browserPackage != null
+                && doesPackageSupportRuntimePermissions(browserPackage)) {
+            grantRuntimePermissions(browserPackage, LOCATION_PERMISSIONS, userId);
+        }
+
+        // Voice interaction
+        if (voiceInteractPackageNames != null) {
+            for (String voiceInteractPackageName : voiceInteractPackageNames) {
+                PackageParser.Package voiceInteractPackage = getSystemPackage(
+                        voiceInteractPackageName);
+                if (voiceInteractPackage != null
+                        && doesPackageSupportRuntimePermissions(voiceInteractPackage)) {
+                    grantRuntimePermissions(voiceInteractPackage,
+                            CONTACTS_PERMISSIONS, userId);
+                    grantRuntimePermissions(voiceInteractPackage,
+                            CALENDAR_PERMISSIONS, userId);
+                    grantRuntimePermissions(voiceInteractPackage,
+                            MICROPHONE_PERMISSIONS, userId);
+                    grantRuntimePermissions(voiceInteractPackage,
+                            PHONE_PERMISSIONS, userId);
+                    grantRuntimePermissions(voiceInteractPackage,
+                            SMS_PERMISSIONS, userId);
+                    grantRuntimePermissions(voiceInteractPackage,
+                            LOCATION_PERMISSIONS, userId);
+                }
+            }
+        }
+
+        if (ActivityManager.isLowRamDeviceStatic()) {
+            // Allow voice search on low-ram devices
+            Intent globalSearchIntent = new Intent("android.search.action.GLOBAL_SEARCH");
+            PackageParser.Package globalSearchPickerPackage =
+                getDefaultSystemHandlerActivityPackage(globalSearchIntent, userId);
+
+            if (globalSearchPickerPackage != null
+                    && doesPackageSupportRuntimePermissions(globalSearchPickerPackage)) {
+                grantRuntimePermissions(globalSearchPickerPackage,
+                    MICROPHONE_PERMISSIONS, true, userId);
+                grantRuntimePermissions(globalSearchPickerPackage,
+                    LOCATION_PERMISSIONS, true, userId);
+            }
+        }
+
+        // Voice recognition
+        Intent voiceRecoIntent = new Intent("android.speech.RecognitionService");
+        voiceRecoIntent.addCategory(Intent.CATEGORY_DEFAULT);
+        PackageParser.Package voiceRecoPackage = getDefaultSystemHandlerServicePackage(
+                voiceRecoIntent, userId);
+        if (voiceRecoPackage != null
+                && doesPackageSupportRuntimePermissions(voiceRecoPackage)) {
+            grantRuntimePermissions(voiceRecoPackage, MICROPHONE_PERMISSIONS, userId);
+        }
+
+        // Location
+        if (locationPackageNames != null) {
+            for (String packageName : locationPackageNames) {
+                PackageParser.Package locationPackage = getSystemPackage(packageName);
+                if (locationPackage != null
+                        && doesPackageSupportRuntimePermissions(locationPackage)) {
+                    grantRuntimePermissions(locationPackage, CONTACTS_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, CALENDAR_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, MICROPHONE_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, PHONE_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, SMS_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, LOCATION_PERMISSIONS,
+                            true, userId);
+                    grantRuntimePermissions(locationPackage, CAMERA_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, SENSORS_PERMISSIONS, userId);
+                    grantRuntimePermissions(locationPackage, STORAGE_PERMISSIONS, userId);
+                }
+            }
+        }
+
+        // Music
+        Intent musicIntent = new Intent(Intent.ACTION_VIEW);
+        musicIntent.addCategory(Intent.CATEGORY_DEFAULT);
+        musicIntent.setDataAndType(Uri.fromFile(new File("foo.mp3")),
+                AUDIO_MIME_TYPE);
+        PackageParser.Package musicPackage = getDefaultSystemHandlerActivityPackage(
+                musicIntent, userId);
+        if (musicPackage != null
+                && doesPackageSupportRuntimePermissions(musicPackage)) {
+            grantRuntimePermissions(musicPackage, STORAGE_PERMISSIONS, userId);
+        }
+
+        // Home
+        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
+        homeIntent.addCategory(Intent.CATEGORY_HOME);
+        homeIntent.addCategory(Intent.CATEGORY_LAUNCHER_APP);
+        PackageParser.Package homePackage = getDefaultSystemHandlerActivityPackage(
+                homeIntent, userId);
+        if (homePackage != null
+                && doesPackageSupportRuntimePermissions(homePackage)) {
+            grantRuntimePermissions(homePackage, LOCATION_PERMISSIONS, false, userId);
+        }
+
+        // Watches
+        if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH, 0)) {
+            // Home application on watches
+            Intent wearHomeIntent = new Intent(Intent.ACTION_MAIN);
+            wearHomeIntent.addCategory(Intent.CATEGORY_HOME_MAIN);
+
+            PackageParser.Package wearHomePackage = getDefaultSystemHandlerActivityPackage(
+                    wearHomeIntent, userId);
+
+            if (wearHomePackage != null
+                    && doesPackageSupportRuntimePermissions(wearHomePackage)) {
+                grantRuntimePermissions(wearHomePackage, CONTACTS_PERMISSIONS, false,
+                        userId);
+                grantRuntimePermissions(wearHomePackage, PHONE_PERMISSIONS, true, userId);
+                grantRuntimePermissions(wearHomePackage, MICROPHONE_PERMISSIONS, false,
+                        userId);
+                grantRuntimePermissions(wearHomePackage, LOCATION_PERMISSIONS, false,
+                        userId);
+            }
+
+            // Fitness tracking on watches
+            Intent trackIntent = new Intent(ACTION_TRACK);
+            PackageParser.Package trackPackage = getDefaultSystemHandlerActivityPackage(
+                    trackIntent, userId);
+            if (trackPackage != null
+                    && doesPackageSupportRuntimePermissions(trackPackage)) {
+                grantRuntimePermissions(trackPackage, SENSORS_PERMISSIONS, false, userId);
+                grantRuntimePermissions(trackPackage, LOCATION_PERMISSIONS, false, userId);
+            }
+        }
+
+        // Print Spooler
+        PackageParser.Package printSpoolerPackage = getSystemPackage(
+                PrintManager.PRINT_SPOOLER_PACKAGE_NAME);
+        if (printSpoolerPackage != null
+                && doesPackageSupportRuntimePermissions(printSpoolerPackage)) {
+            grantRuntimePermissions(printSpoolerPackage, LOCATION_PERMISSIONS, true, userId);
+        }
+
+        // EmergencyInfo
+        Intent emergencyInfoIntent = new Intent(TelephonyManager.ACTION_EMERGENCY_ASSISTANCE);
+        PackageParser.Package emergencyInfoPckg = getDefaultSystemHandlerActivityPackage(
+                emergencyInfoIntent, userId);
+        if (emergencyInfoPckg != null
+                && doesPackageSupportRuntimePermissions(emergencyInfoPckg)) {
+            grantRuntimePermissions(emergencyInfoPckg, CONTACTS_PERMISSIONS, true, userId);
+            grantRuntimePermissions(emergencyInfoPckg, PHONE_PERMISSIONS, true, userId);
+        }
+
+        // NFC Tag viewer
+        Intent nfcTagIntent = new Intent(Intent.ACTION_VIEW);
+        nfcTagIntent.setType("vnd.android.cursor.item/ndef_msg");
+        PackageParser.Package nfcTagPkg = getDefaultSystemHandlerActivityPackage(
+                nfcTagIntent, userId);
+        if (nfcTagPkg != null
+                && doesPackageSupportRuntimePermissions(nfcTagPkg)) {
+            grantRuntimePermissions(nfcTagPkg, CONTACTS_PERMISSIONS, false, userId);
+            grantRuntimePermissions(nfcTagPkg, PHONE_PERMISSIONS, false, userId);
+        }
+
+        // Storage Manager
+        Intent storageManagerIntent = new Intent(StorageManager.ACTION_MANAGE_STORAGE);
+        PackageParser.Package storageManagerPckg = getDefaultSystemHandlerActivityPackage(
+                storageManagerIntent, userId);
+        if (storageManagerPckg != null
+                && doesPackageSupportRuntimePermissions(storageManagerPckg)) {
+            grantRuntimePermissions(storageManagerPckg, STORAGE_PERMISSIONS, true, userId);
+        }
+
+        // Companion devices
+        PackageParser.Package companionDeviceDiscoveryPackage = getSystemPackage(
+                CompanionDeviceManager.COMPANION_DEVICE_DISCOVERY_PACKAGE_NAME);
+        if (companionDeviceDiscoveryPackage != null
+                && doesPackageSupportRuntimePermissions(companionDeviceDiscoveryPackage)) {
+            grantRuntimePermissions(companionDeviceDiscoveryPackage,
+                    LOCATION_PERMISSIONS, true, userId);
+        }
+
+        // Ringtone Picker
+        Intent ringtonePickerIntent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);
+        PackageParser.Package ringtonePickerPackage =
+                getDefaultSystemHandlerActivityPackage(ringtonePickerIntent, userId);
+        if (ringtonePickerPackage != null
+                && doesPackageSupportRuntimePermissions(ringtonePickerPackage)) {
+            grantRuntimePermissions(ringtonePickerPackage,
+                    STORAGE_PERMISSIONS, true, userId);
+        }
+
+        mPermissionGrantedCallback.onDefaultRuntimePermissionsGranted(userId);
+    }
+
+    private void grantDefaultPermissionsToDefaultSystemDialerApp(
+            PackageParser.Package dialerPackage, int userId) {
+        if (doesPackageSupportRuntimePermissions(dialerPackage)) {
+            boolean isPhonePermFixed =
+                    mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH, 0);
+            grantRuntimePermissions(
+                    dialerPackage, PHONE_PERMISSIONS, isPhonePermFixed, userId);
+            grantRuntimePermissions(dialerPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(dialerPackage, SMS_PERMISSIONS, userId);
+            grantRuntimePermissions(dialerPackage, MICROPHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(dialerPackage, CAMERA_PERMISSIONS, userId);
+        }
+    }
+
+    private void grantDefaultPermissionsToDefaultSystemSmsApp(
+            PackageParser.Package smsPackage, int userId) {
+        if (doesPackageSupportRuntimePermissions(smsPackage)) {
+            grantRuntimePermissions(smsPackage, PHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(smsPackage, CONTACTS_PERMISSIONS, userId);
+            grantRuntimePermissions(smsPackage, SMS_PERMISSIONS, userId);
+            grantRuntimePermissions(smsPackage, STORAGE_PERMISSIONS, userId);
+            grantRuntimePermissions(smsPackage, MICROPHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(smsPackage, CAMERA_PERMISSIONS, userId);
+        }
+    }
+
+    public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) {
+        Log.i(TAG, "Granting permissions to default sms app for user:" + userId);
+        if (packageName == null) {
+            return;
+        }
+        PackageParser.Package smsPackage = getPackage(packageName);
+        if (smsPackage != null && doesPackageSupportRuntimePermissions(smsPackage)) {
+            grantRuntimePermissions(smsPackage, PHONE_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(smsPackage, CONTACTS_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(smsPackage, SMS_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(smsPackage, STORAGE_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(smsPackage, MICROPHONE_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(smsPackage, CAMERA_PERMISSIONS, false, true, userId);
+        }
+    }
+
+    public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) {
+        Log.i(TAG, "Granting permissions to default dialer app for user:" + userId);
+        if (packageName == null) {
+            return;
+        }
+        PackageParser.Package dialerPackage = getPackage(packageName);
+        if (dialerPackage != null
+                && doesPackageSupportRuntimePermissions(dialerPackage)) {
+            grantRuntimePermissions(dialerPackage, PHONE_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(dialerPackage, CONTACTS_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(dialerPackage, SMS_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(dialerPackage, MICROPHONE_PERMISSIONS, false, true, userId);
+            grantRuntimePermissions(dialerPackage, CAMERA_PERMISSIONS, false, true, userId);
+        }
+    }
+
+    private void grantDefaultPermissionsToDefaultSimCallManager(
+            PackageParser.Package simCallManagerPackage, int userId) {
+        Log.i(TAG, "Granting permissions to sim call manager for user:" + userId);
+        if (doesPackageSupportRuntimePermissions(simCallManagerPackage)) {
+            grantRuntimePermissions(simCallManagerPackage, PHONE_PERMISSIONS, userId);
+            grantRuntimePermissions(simCallManagerPackage, MICROPHONE_PERMISSIONS, userId);
+        }
+    }
+
+    public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) {
+        if (packageName == null) {
+            return;
+        }
+        PackageParser.Package simCallManagerPackage = getPackage(packageName);
+        if (simCallManagerPackage != null) {
+            grantDefaultPermissionsToDefaultSimCallManager(simCallManagerPackage, userId);
+        }
+    }
+
+    public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) {
+        Log.i(TAG, "Granting permissions to enabled carrier apps for user:" + userId);
+        if (packageNames == null) {
+            return;
+        }
+        for (String packageName : packageNames) {
+            PackageParser.Package carrierPackage = getSystemPackage(packageName);
+            if (carrierPackage != null
+                    && doesPackageSupportRuntimePermissions(carrierPackage)) {
+                grantRuntimePermissions(carrierPackage, PHONE_PERMISSIONS, userId);
+                grantRuntimePermissions(carrierPackage, LOCATION_PERMISSIONS, userId);
+                grantRuntimePermissions(carrierPackage, SMS_PERMISSIONS, userId);
+            }
+        }
+    }
+
+    public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) {
+        Log.i(TAG, "Granting permissions to enabled ImsServices for user:" + userId);
+        if (packageNames == null) {
+            return;
+        }
+        for (String packageName : packageNames) {
+            PackageParser.Package imsServicePackage = getSystemPackage(packageName);
+            if (imsServicePackage != null
+                    && doesPackageSupportRuntimePermissions(imsServicePackage)) {
+                grantRuntimePermissions(imsServicePackage, PHONE_PERMISSIONS, userId);
+                grantRuntimePermissions(imsServicePackage, MICROPHONE_PERMISSIONS, userId);
+                grantRuntimePermissions(imsServicePackage, LOCATION_PERMISSIONS, userId);
+                grantRuntimePermissions(imsServicePackage, CAMERA_PERMISSIONS, userId);
+            }
+        }
+    }
+
+    public void grantDefaultPermissionsToDefaultBrowser(String packageName, int userId) {
+        Log.i(TAG, "Granting permissions to default browser for user:" + userId);
+        if (packageName == null) {
+            return;
+        }
+        PackageParser.Package browserPackage = getSystemPackage(packageName);
+        if (browserPackage != null
+                && doesPackageSupportRuntimePermissions(browserPackage)) {
+            grantRuntimePermissions(browserPackage, LOCATION_PERMISSIONS, false, false, userId);
+        }
+    }
+
+    private PackageParser.Package getDefaultSystemHandlerActivityPackage(
+            Intent intent, int userId) {
+        ResolveInfo handler = mServiceInternal.resolveIntent(intent,
+                intent.resolveType(mContext.getContentResolver()), DEFAULT_FLAGS, userId, false);
+        if (handler == null || handler.activityInfo == null) {
+            return null;
+        }
+        if (mServiceInternal.isResolveActivityComponent(handler.activityInfo)) {
+            return null;
+        }
+        return getSystemPackage(handler.activityInfo.packageName);
+    }
+
+    private PackageParser.Package getDefaultSystemHandlerServicePackage(
+            Intent intent, int userId) {
+        List<ResolveInfo> handlers = mServiceInternal.queryIntentServices(
+                intent, DEFAULT_FLAGS, Binder.getCallingUid(), userId);
+        if (handlers == null) {
+            return null;
+        }
+        final int handlerCount = handlers.size();
+        for (int i = 0; i < handlerCount; i++) {
+            ResolveInfo handler = handlers.get(i);
+            PackageParser.Package handlerPackage = getSystemPackage(
+                    handler.serviceInfo.packageName);
+            if (handlerPackage != null) {
+                return handlerPackage;
+            }
+        }
+        return null;
+    }
+
+    private List<PackageParser.Package> getHeadlessSyncAdapterPackages(
+            String[] syncAdapterPackageNames, int userId) {
+        List<PackageParser.Package> syncAdapterPackages = new ArrayList<>();
+
+        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
+        homeIntent.addCategory(Intent.CATEGORY_LAUNCHER);
+
+        for (String syncAdapterPackageName : syncAdapterPackageNames) {
+            homeIntent.setPackage(syncAdapterPackageName);
+
+            ResolveInfo homeActivity = mServiceInternal.resolveIntent(homeIntent,
+                    homeIntent.resolveType(mContext.getContentResolver()), DEFAULT_FLAGS,
+                    userId, false);
+            if (homeActivity != null) {
+                continue;
+            }
+
+            PackageParser.Package syncAdapterPackage = getSystemPackage(syncAdapterPackageName);
+            if (syncAdapterPackage != null) {
+                syncAdapterPackages.add(syncAdapterPackage);
+            }
+        }
+
+        return syncAdapterPackages;
+    }
+
+    private PackageParser.Package getDefaultProviderAuthorityPackage(
+            String authority, int userId) {
+        ProviderInfo provider =
+                mServiceInternal.resolveContentProvider(authority, DEFAULT_FLAGS, userId);
+        if (provider != null) {
+            return getSystemPackage(provider.packageName);
+        }
+        return null;
+    }
+
+    private PackageParser.Package getPackage(String packageName) {
+        return mServiceInternal.getPackage(packageName);
+    }
+
+    private PackageParser.Package getSystemPackage(String packageName) {
+        PackageParser.Package pkg = getPackage(packageName);
+        if (pkg != null && pkg.isSystemApp()) {
+            return !isSysComponentOrPersistentPlatformSignedPrivApp(pkg) ? pkg : null;
+        }
+        return null;
+    }
+
+    private void grantRuntimePermissions(PackageParser.Package pkg, Set<String> permissions,
+            int userId) {
+        grantRuntimePermissions(pkg, permissions, false, false, userId);
+    }
+
+    private void grantRuntimePermissions(PackageParser.Package pkg, Set<String> permissions,
+            boolean systemFixed, int userId) {
+        grantRuntimePermissions(pkg, permissions, systemFixed, false, userId);
+    }
+
+    private void grantRuntimePermissions(PackageParser.Package pkg, Set<String> permissions,
+            boolean systemFixed, boolean isDefaultPhoneOrSms, int userId) {
+        if (pkg.requestedPermissions.isEmpty()) {
+            return;
+        }
+
+        List<String> requestedPermissions = pkg.requestedPermissions;
+        Set<String> grantablePermissions = null;
+
+        // If this is the default Phone or SMS app we grant permissions regardless
+        // whether the version on the system image declares the permission as used since
+        // selecting the app as the default Phone or SMS the user makes a deliberate
+        // choice to grant this app the permissions needed to function. For all other
+        // apps, (default grants on first boot and user creation) we don't grant default
+        // permissions if the version on the system image does not declare them.
+        if (!isDefaultPhoneOrSms && pkg.isUpdatedSystemApp()) {
+            final PackageParser.Package disabledPkg =
+                    mServiceInternal.getDisabledPackage(pkg.packageName);
+            if (disabledPkg != null) {
+                if (disabledPkg.requestedPermissions.isEmpty()) {
+                    return;
+                }
+                if (!requestedPermissions.equals(disabledPkg.requestedPermissions)) {
+                    grantablePermissions = new ArraySet<>(requestedPermissions);
+                    requestedPermissions = disabledPkg.requestedPermissions;
+                }
+            }
+        }
+
+        final int grantablePermissionCount = requestedPermissions.size();
+        for (int i = 0; i < grantablePermissionCount; i++) {
+            String permission = requestedPermissions.get(i);
+
+            // If there is a disabled system app it may request a permission the updated
+            // version ot the data partition doesn't, In this case skip the permission.
+            if (grantablePermissions != null && !grantablePermissions.contains(permission)) {
+                continue;
+            }
+
+            if (permissions.contains(permission)) {
+                final int flags = mServiceInternal.getPermissionFlagsTEMP(
+                        permission, pkg.packageName, userId);
+
+                // If any flags are set to the permission, then it is either set in
+                // its current state by the system or device/profile owner or the user.
+                // In all these cases we do not want to clobber the current state.
+                // Unless the caller wants to override user choices. The override is
+                // to make sure we can grant the needed permission to the default
+                // sms and phone apps after the user chooses this in the UI.
+                if (flags == 0 || isDefaultPhoneOrSms) {
+                    // Never clobber policy or system.
+                    final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
+                            | PackageManager.FLAG_PERMISSION_POLICY_FIXED;
+                    if ((flags & fixedFlags) != 0) {
+                        continue;
+                    }
+
+                    mServiceInternal.grantRuntimePermission(
+                            pkg.packageName, permission, userId, false);
+                    if (DEBUG) {
+                        Log.i(TAG, "Granted " + (systemFixed ? "fixed " : "not fixed ")
+                                + permission + " to default handler " + pkg.packageName);
+                    }
+
+                    int newFlags = PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
+                    if (systemFixed) {
+                        newFlags |= PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
+                    }
+
+                    mServiceInternal.updatePermissionFlagsTEMP(permission, pkg.packageName,
+                            newFlags, newFlags, userId);
+                }
+
+                // If a component gets a permission for being the default handler A
+                // and also default handler B, we grant the weaker grant form.
+                if ((flags & PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0
+                        && (flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0
+                        && !systemFixed) {
+                    if (DEBUG) {
+                        Log.i(TAG, "Granted not fixed " + permission + " to default handler "
+                                + pkg.packageName);
+                    }
+                    mServiceInternal.updatePermissionFlagsTEMP(permission, pkg.packageName,
+                            PackageManager.FLAG_PERMISSION_SYSTEM_FIXED, 0, userId);
+                }
+            }
+        }
+    }
+
+    private boolean isSysComponentOrPersistentPlatformSignedPrivApp(PackageParser.Package pkg) {
+        if (UserHandle.getAppId(pkg.applicationInfo.uid) < FIRST_APPLICATION_UID) {
+            return true;
+        }
+        if (!pkg.isPrivilegedApp()) {
+            return false;
+        }
+        final PackageParser.Package disabledPkg =
+                mServiceInternal.getDisabledPackage(pkg.packageName);
+        if (disabledPkg != null) {
+            if ((disabledPkg.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) == 0) {
+                return false;
+            }
+        } else if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) == 0) {
+            return false;
+        }
+        final String systemPackageName = mServiceInternal.getKnownPackageName(
+                PackageManagerInternal.PACKAGE_SYSTEM, UserHandle.USER_SYSTEM);
+        final PackageParser.Package systemPackage = getPackage(systemPackageName);
+        return PackageManagerService.compareSignatures(systemPackage.mSignatures,
+                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
+    }
+
+    private void grantDefaultPermissionExceptions(int userId) {
+        mHandler.removeMessages(MSG_READ_DEFAULT_PERMISSION_EXCEPTIONS);
+
+        synchronized (mLock) {
+            // mGrantExceptions is null only before the first read and then
+            // it serves as a cache of the default grants that should be
+            // performed for every user. If there is an entry then the app
+            // is on the system image and supports runtime permissions.
+            if (mGrantExceptions == null) {
+                mGrantExceptions = readDefaultPermissionExceptionsLocked();
+            }
+        }
+
+        Set<String> permissions = null;
+        final int exceptionCount = mGrantExceptions.size();
+        for (int i = 0; i < exceptionCount; i++) {
+            String packageName = mGrantExceptions.keyAt(i);
+            PackageParser.Package pkg = getSystemPackage(packageName);
+            List<DefaultPermissionGrant> permissionGrants = mGrantExceptions.valueAt(i);
+            final int permissionGrantCount = permissionGrants.size();
+            for (int j = 0; j < permissionGrantCount; j++) {
+                DefaultPermissionGrant permissionGrant = permissionGrants.get(j);
+                if (permissions == null) {
+                    permissions = new ArraySet<>();
+                } else {
+                    permissions.clear();
+                }
+                permissions.add(permissionGrant.name);
+                grantRuntimePermissions(pkg, permissions,
+                        permissionGrant.fixed, userId);
+            }
+        }
+    }
+
+    private File[] getDefaultPermissionFiles() {
+        ArrayList<File> ret = new ArrayList<File>();
+        File dir = new File(Environment.getRootDirectory(), "etc/default-permissions");
+        if (dir.isDirectory() && dir.canRead()) {
+            Collections.addAll(ret, dir.listFiles());
+        }
+        dir = new File(Environment.getVendorDirectory(), "etc/default-permissions");
+        if (dir.isDirectory() && dir.canRead()) {
+            Collections.addAll(ret, dir.listFiles());
+        }
+        return ret.isEmpty() ? null : ret.toArray(new File[0]);
+    }
+
+    private @NonNull ArrayMap<String, List<DefaultPermissionGrant>>
+            readDefaultPermissionExceptionsLocked() {
+        File[] files = getDefaultPermissionFiles();
+        if (files == null) {
+            return new ArrayMap<>(0);
+        }
+
+        ArrayMap<String, List<DefaultPermissionGrant>> grantExceptions = new ArrayMap<>();
+
+        // Iterate over the files in the directory and scan .xml files
+        for (File file : files) {
+            if (!file.getPath().endsWith(".xml")) {
+                Slog.i(TAG, "Non-xml file " + file
+                        + " in " + file.getParent() + " directory, ignoring");
+                continue;
+            }
+            if (!file.canRead()) {
+                Slog.w(TAG, "Default permissions file " + file + " cannot be read");
+                continue;
+            }
+            try (
+                InputStream str = new BufferedInputStream(new FileInputStream(file))
+            ) {
+                XmlPullParser parser = Xml.newPullParser();
+                parser.setInput(str, null);
+                parse(parser, grantExceptions);
+            } catch (XmlPullParserException | IOException e) {
+                Slog.w(TAG, "Error reading default permissions file " + file, e);
+            }
+        }
+
+        return grantExceptions;
+    }
+
+    private void parse(XmlPullParser parser, Map<String, List<DefaultPermissionGrant>>
+            outGrantExceptions) throws IOException, XmlPullParserException {
+        final int outerDepth = parser.getDepth();
+        int type;
+        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
+                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
+            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
+                continue;
+            }
+            if (TAG_EXCEPTIONS.equals(parser.getName())) {
+                parseExceptions(parser, outGrantExceptions);
+            } else {
+                Log.e(TAG, "Unknown tag " + parser.getName());
+            }
+        }
+    }
+
+    private void parseExceptions(XmlPullParser parser, Map<String, List<DefaultPermissionGrant>>
+            outGrantExceptions) throws IOException, XmlPullParserException {
+        final int outerDepth = parser.getDepth();
+        int type;
+        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
+                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
+            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
+                continue;
+            }
+            if (TAG_EXCEPTION.equals(parser.getName())) {
+                String packageName = parser.getAttributeValue(null, ATTR_PACKAGE);
+
+                List<DefaultPermissionGrant> packageExceptions =
+                        outGrantExceptions.get(packageName);
+                if (packageExceptions == null) {
+                    // The package must be on the system image
+                    PackageParser.Package pkg = getSystemPackage(packageName);
+                    if (pkg == null) {
+                        Log.w(TAG, "Unknown package:" + packageName);
+                        XmlUtils.skipCurrentTag(parser);
+                        continue;
+                    }
+
+                    // The package must support runtime permissions
+                    if (!doesPackageSupportRuntimePermissions(pkg)) {
+                        Log.w(TAG, "Skipping non supporting runtime permissions package:"
+                                + packageName);
+                        XmlUtils.skipCurrentTag(parser);
+                        continue;
+                    }
+                    packageExceptions = new ArrayList<>();
+                    outGrantExceptions.put(packageName, packageExceptions);
+                }
+
+                parsePermission(parser, packageExceptions);
+            } else {
+                Log.e(TAG, "Unknown tag " + parser.getName() + "under <exceptions>");
+            }
+        }
+    }
+
+    private void parsePermission(XmlPullParser parser, List<DefaultPermissionGrant>
+            outPackageExceptions) throws IOException, XmlPullParserException {
+        final int outerDepth = parser.getDepth();
+        int type;
+        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
+                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
+            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
+                continue;
+            }
+
+            if (TAG_PERMISSION.contains(parser.getName())) {
+                String name = parser.getAttributeValue(null, ATTR_NAME);
+                if (name == null) {
+                    Log.w(TAG, "Mandatory name attribute missing for permission tag");
+                    XmlUtils.skipCurrentTag(parser);
+                    continue;
+                }
+
+                final boolean fixed = XmlUtils.readBooleanAttribute(parser, ATTR_FIXED);
+
+                DefaultPermissionGrant exception = new DefaultPermissionGrant(name, fixed);
+                outPackageExceptions.add(exception);
+            } else {
+                Log.e(TAG, "Unknown tag " + parser.getName() + "under <exception>");
+            }
+        }
+    }
+
+    private static boolean doesPackageSupportRuntimePermissions(PackageParser.Package pkg) {
+        return pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1;
+    }
+
+    private static final class DefaultPermissionGrant {
+        final String name;
+        final boolean fixed;
+
+        public DefaultPermissionGrant(String name, boolean fixed) {
+            this.name = name;
+            this.fixed = fixed;
+        }
+    }
+}