DefaultPermissionGrantPolicy.java revision fce33d58d87fd494686aae4e21332b58ec260b73 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.pm;
18
19import android.Manifest;
20import android.app.DownloadManager;
21import android.app.admin.DevicePolicyManager;
22import android.content.Intent;
23import android.content.pm.ApplicationInfo;
24import android.content.pm.PackageManager;
25import android.content.pm.PackageManagerInternal.PackagesProvider;
26import android.content.pm.PackageManagerInternal.SyncAdapterPackagesProvider;
27import android.content.pm.PackageParser;
28import android.content.pm.ProviderInfo;
29import android.content.pm.ResolveInfo;
30import android.net.Uri;
31import android.os.Build;
32import android.os.UserHandle;
33import android.provider.CalendarContract;
34import android.provider.ContactsContract;
35import android.provider.MediaStore;
36import android.provider.Telephony.Sms.Intents;
37import android.security.Credentials;
38import android.util.ArraySet;
39import android.util.Log;
40
41import java.io.File;
42import java.util.ArrayList;
43import java.util.List;
44import java.util.Set;
45
46import static android.os.Process.FIRST_APPLICATION_UID;
47
48/**
49 * This class is the policy for granting runtime permissions to
50 * platform components and default handlers in the system such
51 * that the device is usable out-of-the-box. For example, the
52 * shell UID is a part of the system and the Phone app should
53 * have phone related permission by default.
54 */
55final class DefaultPermissionGrantPolicy {
56    private static final String TAG = "DefaultPermGrantPolicy"; // must be <= 23 chars
57    private static final boolean DEBUG = false;
58
59    private static final String AUDIO_MIME_TYPE = "audio/mpeg";
60
61    private static final Set<String> PHONE_PERMISSIONS = new ArraySet<>();
62    static {
63        PHONE_PERMISSIONS.add(Manifest.permission.READ_PHONE_STATE);
64        PHONE_PERMISSIONS.add(Manifest.permission.CALL_PHONE);
65        PHONE_PERMISSIONS.add(Manifest.permission.READ_CALL_LOG);
66        PHONE_PERMISSIONS.add(Manifest.permission.WRITE_CALL_LOG);
67        PHONE_PERMISSIONS.add(Manifest.permission.ADD_VOICEMAIL);
68        PHONE_PERMISSIONS.add(Manifest.permission.USE_SIP);
69        PHONE_PERMISSIONS.add(Manifest.permission.PROCESS_OUTGOING_CALLS);
70    }
71
72    private static final Set<String> CONTACTS_PERMISSIONS = new ArraySet<>();
73    static {
74        CONTACTS_PERMISSIONS.add(Manifest.permission.READ_CONTACTS);
75        CONTACTS_PERMISSIONS.add(Manifest.permission.WRITE_CONTACTS);
76        CONTACTS_PERMISSIONS.add(Manifest.permission.GET_ACCOUNTS);
77    }
78
79    private static final Set<String> LOCATION_PERMISSIONS = new ArraySet<>();
80    static {
81        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_FINE_LOCATION);
82        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_COARSE_LOCATION);
83    }
84
85    private static final Set<String> CALENDAR_PERMISSIONS = new ArraySet<>();
86    static {
87        CALENDAR_PERMISSIONS.add(Manifest.permission.READ_CALENDAR);
88        CALENDAR_PERMISSIONS.add(Manifest.permission.WRITE_CALENDAR);
89    }
90
91    private static final Set<String> SMS_PERMISSIONS = new ArraySet<>();
92    static {
93        SMS_PERMISSIONS.add(Manifest.permission.SEND_SMS);
94        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_SMS);
95        SMS_PERMISSIONS.add(Manifest.permission.READ_SMS);
96        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_WAP_PUSH);
97        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_MMS);
98        SMS_PERMISSIONS.add(Manifest.permission.READ_CELL_BROADCASTS);
99    }
100
101    private static final Set<String> MICROPHONE_PERMISSIONS = new ArraySet<>();
102    static {
103        MICROPHONE_PERMISSIONS.add(Manifest.permission.RECORD_AUDIO);
104    }
105
106    private static final Set<String> CAMERA_PERMISSIONS = new ArraySet<>();
107    static {
108        CAMERA_PERMISSIONS.add(Manifest.permission.CAMERA);
109    }
110
111    private static final Set<String> SENSORS_PERMISSIONS = new ArraySet<>();
112    static {
113        SENSORS_PERMISSIONS.add(Manifest.permission.BODY_SENSORS);
114    }
115
116    private static final Set<String> STORAGE_PERMISSIONS = new ArraySet<>();
117    static {
118        STORAGE_PERMISSIONS.add(Manifest.permission.READ_EXTERNAL_STORAGE);
119        STORAGE_PERMISSIONS.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
120    }
121
122    private final PackageManagerService mService;
123
124    private PackagesProvider mImePackagesProvider;
125    private PackagesProvider mLocationPackagesProvider;
126    private PackagesProvider mVoiceInteractionPackagesProvider;
127    private PackagesProvider mSmsAppPackagesProvider;
128    private PackagesProvider mDialerAppPackagesProvider;
129    private PackagesProvider mSimCallManagerPackagesProvider;
130    private SyncAdapterPackagesProvider mSyncAdapterPackagesProvider;
131
132    public DefaultPermissionGrantPolicy(PackageManagerService service) {
133        mService = service;
134    }
135
136    public void setImePackagesProviderLPr(PackagesProvider provider) {
137        mImePackagesProvider = provider;
138    }
139
140    public void setLocationPackagesProviderLPw(PackagesProvider provider) {
141        mLocationPackagesProvider = provider;
142    }
143
144    public void setVoiceInteractionPackagesProviderLPw(PackagesProvider provider) {
145        mVoiceInteractionPackagesProvider = provider;
146    }
147
148    public void setSmsAppPackagesProviderLPw(PackagesProvider provider) {
149        mSmsAppPackagesProvider = provider;
150    }
151
152    public void setDialerAppPackagesProviderLPw(PackagesProvider provider) {
153        mDialerAppPackagesProvider = provider;
154    }
155
156    public void setSimCallManagerPackagesProviderLPw(PackagesProvider provider) {
157        mSimCallManagerPackagesProvider = provider;
158    }
159
160    public void setSyncAdapterPackagesProviderLPw(SyncAdapterPackagesProvider provider) {
161        mSyncAdapterPackagesProvider = provider;
162    }
163
164    public void grantDefaultPermissions(int userId) {
165        grantPermissionsToSysComponentsAndPrivApps(userId);
166        grantDefaultSystemHandlerPermissions(userId);
167    }
168
169    private void grantPermissionsToSysComponentsAndPrivApps(int userId) {
170        Log.i(TAG, "Granting permissions to platform components for user " + userId);
171
172        synchronized (mService.mPackages) {
173            for (PackageParser.Package pkg : mService.mPackages.values()) {
174                if (!isSysComponentOrPersistentPlatformSignedPrivAppLPr(pkg)
175                        || !doesPackageSupportRuntimePermissions(pkg)
176                        || pkg.requestedPermissions.isEmpty()) {
177                    continue;
178                }
179                Set<String> permissions = new ArraySet<>();
180                final int permissionCount = pkg.requestedPermissions.size();
181                for (int i = 0; i < permissionCount; i++) {
182                    String permission = pkg.requestedPermissions.get(i);
183                    BasePermission bp = mService.mSettings.mPermissions.get(permission);
184                    if (bp != null && bp.isRuntime()) {
185                        permissions.add(permission);
186                    }
187                }
188                if (!permissions.isEmpty()) {
189                    grantRuntimePermissionsLPw(pkg, permissions, true, userId);
190                }
191            }
192        }
193    }
194
195    private void grantDefaultSystemHandlerPermissions(int userId) {
196        Log.i(TAG, "Granting permissions to default platform handlers for user " + userId);
197
198        final PackagesProvider imePackagesProvider;
199        final PackagesProvider locationPackagesProvider;
200        final PackagesProvider voiceInteractionPackagesProvider;
201        final PackagesProvider smsAppPackagesProvider;
202        final PackagesProvider dialerAppPackagesProvider;
203        final PackagesProvider simCallManagerPackagesProvider;
204        final SyncAdapterPackagesProvider syncAdapterPackagesProvider;
205
206        synchronized (mService.mPackages) {
207            imePackagesProvider = mImePackagesProvider;
208            locationPackagesProvider = mLocationPackagesProvider;
209            voiceInteractionPackagesProvider = mVoiceInteractionPackagesProvider;
210            smsAppPackagesProvider = mSmsAppPackagesProvider;
211            dialerAppPackagesProvider = mDialerAppPackagesProvider;
212            simCallManagerPackagesProvider = mSimCallManagerPackagesProvider;
213            syncAdapterPackagesProvider = mSyncAdapterPackagesProvider;
214        }
215
216        String[] imePackageNames = (imePackagesProvider != null)
217                ? imePackagesProvider.getPackages(userId) : null;
218        String[] voiceInteractPackageNames = (voiceInteractionPackagesProvider != null)
219                ? voiceInteractionPackagesProvider.getPackages(userId) : null;
220        String[] locationPackageNames = (locationPackagesProvider != null)
221                ? locationPackagesProvider.getPackages(userId) : null;
222        String[] smsAppPackageNames = (smsAppPackagesProvider != null)
223                ? smsAppPackagesProvider.getPackages(userId) : null;
224        String[] dialerAppPackageNames = (dialerAppPackagesProvider != null)
225                ? dialerAppPackagesProvider.getPackages(userId) : null;
226        String[] simCallManagerPackageNames = (simCallManagerPackagesProvider != null)
227                ? simCallManagerPackagesProvider.getPackages(userId) : null;
228        String[] contactsSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
229                syncAdapterPackagesProvider.getPackages(ContactsContract.AUTHORITY, userId) : null;
230        String[] calendarSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
231                syncAdapterPackagesProvider.getPackages(CalendarContract.AUTHORITY, userId) : null;
232
233        synchronized (mService.mPackages) {
234            // Installer
235            PackageParser.Package installerPackage = getSystemPackageLPr(
236                    mService.mRequiredInstallerPackage);
237            if (installerPackage != null
238                    && doesPackageSupportRuntimePermissions(installerPackage)) {
239                grantRuntimePermissionsLPw(installerPackage, STORAGE_PERMISSIONS, true, userId);
240            }
241
242            // Verifier
243            PackageParser.Package verifierPackage = getSystemPackageLPr(
244                    mService.mRequiredVerifierPackage);
245            if (verifierPackage != null
246                    && doesPackageSupportRuntimePermissions(verifierPackage)) {
247                grantRuntimePermissionsLPw(verifierPackage, STORAGE_PERMISSIONS, true, userId);
248            }
249
250            // SetupWizard
251            Intent setupIntent = new Intent(Intent.ACTION_MAIN);
252            setupIntent.addCategory(Intent.CATEGORY_SETUP_WIZARD);
253            PackageParser.Package setupPackage = getDefaultSystemHandlerActivityPackageLPr(
254                    setupIntent, userId);
255            if (setupPackage != null
256                    && doesPackageSupportRuntimePermissions(setupPackage)) {
257                grantRuntimePermissionsLPw(setupPackage, PHONE_PERMISSIONS, userId);
258                grantRuntimePermissionsLPw(setupPackage, CONTACTS_PERMISSIONS, userId);
259            }
260
261            // Camera
262            Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
263            PackageParser.Package cameraPackage = getDefaultSystemHandlerActivityPackageLPr(
264                    cameraIntent, userId);
265            if (cameraPackage != null
266                    && doesPackageSupportRuntimePermissions(cameraPackage)) {
267                grantRuntimePermissionsLPw(cameraPackage, CAMERA_PERMISSIONS, userId);
268                grantRuntimePermissionsLPw(cameraPackage, MICROPHONE_PERMISSIONS, userId);
269                grantRuntimePermissionsLPw(cameraPackage, STORAGE_PERMISSIONS, userId);
270            }
271
272            // Media provider
273            PackageParser.Package mediaStorePackage = getDefaultProviderAuthorityPackageLPr(
274                    MediaStore.AUTHORITY, userId);
275            if (mediaStorePackage != null) {
276                grantRuntimePermissionsLPw(mediaStorePackage, STORAGE_PERMISSIONS, true, userId);
277            }
278
279            // Downloads provider
280            PackageParser.Package downloadsPackage = getDefaultProviderAuthorityPackageLPr(
281                    "downloads", userId);
282            if (downloadsPackage != null) {
283                grantRuntimePermissionsLPw(downloadsPackage, STORAGE_PERMISSIONS, true, userId);
284            }
285
286            // Downloads UI
287            Intent downloadsUiIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
288            PackageParser.Package downloadsUiPackage = getDefaultSystemHandlerActivityPackageLPr(
289                    downloadsUiIntent, userId);
290            if (downloadsUiPackage != null
291                    && doesPackageSupportRuntimePermissions(downloadsUiPackage)) {
292                grantRuntimePermissionsLPw(downloadsUiPackage, STORAGE_PERMISSIONS, true, userId);
293            }
294
295            // Storage provider
296            PackageParser.Package storagePackage = getDefaultProviderAuthorityPackageLPr(
297                    "com.android.externalstorage.documents", userId);
298            if (storagePackage != null) {
299                grantRuntimePermissionsLPw(storagePackage, STORAGE_PERMISSIONS, true, userId);
300            }
301
302            // CertInstaller
303            Intent certInstallerIntent = new Intent(Credentials.INSTALL_ACTION);
304            PackageParser.Package certInstallerPackage = getDefaultSystemHandlerActivityPackageLPr(
305                    certInstallerIntent, userId);
306            if (certInstallerPackage != null
307                    && doesPackageSupportRuntimePermissions(certInstallerPackage)) {
308                grantRuntimePermissionsLPw(certInstallerPackage, STORAGE_PERMISSIONS, true, userId);
309            }
310
311            // Dialer
312            if (dialerAppPackageNames == null) {
313                Intent dialerIntent = new Intent(Intent.ACTION_DIAL);
314                PackageParser.Package dialerPackage = getDefaultSystemHandlerActivityPackageLPr(
315                        dialerIntent, userId);
316                if (dialerPackage != null) {
317                    grantDefaultPermissionsToDefaultSystemDialerAppLPr(dialerPackage, userId);
318                }
319            } else {
320                for (String dialerAppPackageName : dialerAppPackageNames) {
321                    PackageParser.Package dialerPackage = getSystemPackageLPr(dialerAppPackageName);
322                    if (dialerPackage != null) {
323                        grantDefaultPermissionsToDefaultSystemDialerAppLPr(dialerPackage, userId);
324                    }
325                }
326            }
327
328            // Sim call manager
329            if (simCallManagerPackageNames != null) {
330                for (String simCallManagerPackageName : simCallManagerPackageNames) {
331                    PackageParser.Package simCallManagerPackage =
332                            getSystemPackageLPr(simCallManagerPackageName);
333                    if (simCallManagerPackage != null) {
334                        grantDefaultPermissionsToDefaultSimCallManagerLPr(simCallManagerPackage,
335                                userId);
336                    }
337                }
338            }
339
340            // SMS
341            if (smsAppPackageNames == null) {
342                Intent smsIntent = new Intent(Intent.ACTION_MAIN);
343                smsIntent.addCategory(Intent.CATEGORY_APP_MESSAGING);
344                PackageParser.Package smsPackage = getDefaultSystemHandlerActivityPackageLPr(
345                        smsIntent, userId);
346                if (smsPackage != null) {
347                   grantDefaultPermissionsToDefaultSystemSmsAppLPr(smsPackage, userId);
348                }
349            } else {
350                for (String smsPackageName : smsAppPackageNames) {
351                    PackageParser.Package smsPackage = getSystemPackageLPr(smsPackageName);
352                    if (smsPackage != null) {
353                        grantDefaultPermissionsToDefaultSystemSmsAppLPr(smsPackage, userId);
354                    }
355                }
356            }
357
358            // Cell Broadcast Receiver
359            Intent cbrIntent = new Intent(Intents.SMS_CB_RECEIVED_ACTION);
360            PackageParser.Package cbrPackage =
361                    getDefaultSystemHandlerActivityPackageLPr(cbrIntent, userId);
362            if (cbrPackage != null && doesPackageSupportRuntimePermissions(cbrPackage)) {
363                grantRuntimePermissionsLPw(cbrPackage, SMS_PERMISSIONS, userId);
364            }
365
366            // Carrier Provisioning Service
367            Intent carrierProvIntent = new Intent(Intents.SMS_CARRIER_PROVISION_ACTION);
368            PackageParser.Package carrierProvPackage =
369                    getDefaultSystemHandlerServicePackageLPr(carrierProvIntent, userId);
370            if (carrierProvPackage != null && doesPackageSupportRuntimePermissions(carrierProvPackage)) {
371                grantRuntimePermissionsLPw(carrierProvPackage, SMS_PERMISSIONS, false, userId);
372            }
373
374            // Calendar
375            Intent calendarIntent = new Intent(Intent.ACTION_MAIN);
376            calendarIntent.addCategory(Intent.CATEGORY_APP_CALENDAR);
377            PackageParser.Package calendarPackage = getDefaultSystemHandlerActivityPackageLPr(
378                    calendarIntent, userId);
379            if (calendarPackage != null
380                    && doesPackageSupportRuntimePermissions(calendarPackage)) {
381                grantRuntimePermissionsLPw(calendarPackage, CALENDAR_PERMISSIONS, userId);
382                grantRuntimePermissionsLPw(calendarPackage, CONTACTS_PERMISSIONS, userId);
383            }
384
385            // Calendar provider
386            PackageParser.Package calendarProviderPackage = getDefaultProviderAuthorityPackageLPr(
387                    CalendarContract.AUTHORITY, userId);
388            if (calendarProviderPackage != null) {
389                grantRuntimePermissionsLPw(calendarProviderPackage, CONTACTS_PERMISSIONS, userId);
390                grantRuntimePermissionsLPw(calendarProviderPackage, CALENDAR_PERMISSIONS,
391                        true, userId);
392                grantRuntimePermissionsLPw(calendarProviderPackage, STORAGE_PERMISSIONS, userId);
393            }
394
395            // Calendar provider sync adapters
396            List<PackageParser.Package> calendarSyncAdapters = getHeadlessSyncAdapterPackagesLPr(
397                    calendarSyncAdapterPackages, userId);
398            final int calendarSyncAdapterCount = calendarSyncAdapters.size();
399            for (int i = 0; i < calendarSyncAdapterCount; i++) {
400                PackageParser.Package calendarSyncAdapter = calendarSyncAdapters.get(i);
401                if (doesPackageSupportRuntimePermissions(calendarSyncAdapter)) {
402                    grantRuntimePermissionsLPw(calendarSyncAdapter, CALENDAR_PERMISSIONS, userId);
403                }
404            }
405
406            // Contacts
407            Intent contactsIntent = new Intent(Intent.ACTION_MAIN);
408            contactsIntent.addCategory(Intent.CATEGORY_APP_CONTACTS);
409            PackageParser.Package contactsPackage = getDefaultSystemHandlerActivityPackageLPr(
410                    contactsIntent, userId);
411            if (contactsPackage != null
412                    && doesPackageSupportRuntimePermissions(contactsPackage)) {
413                grantRuntimePermissionsLPw(contactsPackage, CONTACTS_PERMISSIONS, userId);
414                grantRuntimePermissionsLPw(contactsPackage, PHONE_PERMISSIONS, userId);
415            }
416
417            // Contacts provider sync adapters
418            List<PackageParser.Package> contactsSyncAdapters = getHeadlessSyncAdapterPackagesLPr(
419                    contactsSyncAdapterPackages, userId);
420            final int contactsSyncAdapterCount = contactsSyncAdapters.size();
421            for (int i = 0; i < contactsSyncAdapterCount; i++) {
422                PackageParser.Package contactsSyncAdapter = contactsSyncAdapters.get(i);
423                if (doesPackageSupportRuntimePermissions(contactsSyncAdapter)) {
424                    grantRuntimePermissionsLPw(contactsSyncAdapter, CONTACTS_PERMISSIONS, userId);
425                }
426            }
427
428            // Contacts provider
429            PackageParser.Package contactsProviderPackage = getDefaultProviderAuthorityPackageLPr(
430                    ContactsContract.AUTHORITY, userId);
431            if (contactsProviderPackage != null) {
432                grantRuntimePermissionsLPw(contactsProviderPackage, CONTACTS_PERMISSIONS,
433                        true, userId);
434                grantRuntimePermissionsLPw(contactsProviderPackage, PHONE_PERMISSIONS,
435                        true, userId);
436                grantRuntimePermissionsLPw(contactsProviderPackage, STORAGE_PERMISSIONS, userId);
437            }
438
439            // Device provisioning
440            Intent deviceProvisionIntent = new Intent(
441                    DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE);
442            PackageParser.Package deviceProvisionPackage =
443                    getDefaultSystemHandlerActivityPackageLPr(deviceProvisionIntent, userId);
444            if (deviceProvisionPackage != null
445                    && doesPackageSupportRuntimePermissions(deviceProvisionPackage)) {
446                grantRuntimePermissionsLPw(deviceProvisionPackage, CONTACTS_PERMISSIONS, userId);
447            }
448
449            // Maps
450            Intent mapsIntent = new Intent(Intent.ACTION_MAIN);
451            mapsIntent.addCategory(Intent.CATEGORY_APP_MAPS);
452            PackageParser.Package mapsPackage = getDefaultSystemHandlerActivityPackageLPr(
453                    mapsIntent, userId);
454            if (mapsPackage != null
455                    && doesPackageSupportRuntimePermissions(mapsPackage)) {
456                grantRuntimePermissionsLPw(mapsPackage, LOCATION_PERMISSIONS, userId);
457            }
458
459            // Gallery
460            Intent galleryIntent = new Intent(Intent.ACTION_MAIN);
461            galleryIntent.addCategory(Intent.CATEGORY_APP_GALLERY);
462            PackageParser.Package galleryPackage = getDefaultSystemHandlerActivityPackageLPr(
463                    galleryIntent, userId);
464            if (galleryPackage != null
465                    && doesPackageSupportRuntimePermissions(galleryPackage)) {
466                grantRuntimePermissionsLPw(galleryPackage, STORAGE_PERMISSIONS, userId);
467            }
468
469            // Email
470            Intent emailIntent = new Intent(Intent.ACTION_MAIN);
471            emailIntent.addCategory(Intent.CATEGORY_APP_EMAIL);
472            PackageParser.Package emailPackage = getDefaultSystemHandlerActivityPackageLPr(
473                    emailIntent, userId);
474            if (emailPackage != null
475                    && doesPackageSupportRuntimePermissions(emailPackage)) {
476                grantRuntimePermissionsLPw(emailPackage, CONTACTS_PERMISSIONS, userId);
477            }
478
479            // Browser
480            PackageParser.Package browserPackage = null;
481            String defaultBrowserPackage = mService.getDefaultBrowserPackageName(userId);
482            if (defaultBrowserPackage != null) {
483                browserPackage = getPackageLPr(defaultBrowserPackage);
484            }
485            if (browserPackage == null) {
486                Intent browserIntent = new Intent(Intent.ACTION_MAIN);
487                browserIntent.addCategory(Intent.CATEGORY_APP_BROWSER);
488                browserPackage = getDefaultSystemHandlerActivityPackageLPr(
489                        browserIntent, userId);
490            }
491            if (browserPackage != null
492                    && doesPackageSupportRuntimePermissions(browserPackage)) {
493                grantRuntimePermissionsLPw(browserPackage, LOCATION_PERMISSIONS, userId);
494            }
495
496            // IME
497            if (imePackageNames != null) {
498                for (String imePackageName : imePackageNames) {
499                    PackageParser.Package imePackage = getSystemPackageLPr(imePackageName);
500                    if (imePackage != null
501                            && doesPackageSupportRuntimePermissions(imePackage)) {
502                        grantRuntimePermissionsLPw(imePackage, CONTACTS_PERMISSIONS, userId);
503                    }
504                }
505            }
506
507            // Voice interaction
508            if (voiceInteractPackageNames != null) {
509                for (String voiceInteractPackageName : voiceInteractPackageNames) {
510                    PackageParser.Package voiceInteractPackage = getSystemPackageLPr(
511                            voiceInteractPackageName);
512                    if (voiceInteractPackage != null
513                            && doesPackageSupportRuntimePermissions(voiceInteractPackage)) {
514                        grantRuntimePermissionsLPw(voiceInteractPackage,
515                                CONTACTS_PERMISSIONS, userId);
516                        grantRuntimePermissionsLPw(voiceInteractPackage,
517                                CALENDAR_PERMISSIONS, userId);
518                        grantRuntimePermissionsLPw(voiceInteractPackage,
519                                MICROPHONE_PERMISSIONS, userId);
520                        grantRuntimePermissionsLPw(voiceInteractPackage,
521                                PHONE_PERMISSIONS, userId);
522                        grantRuntimePermissionsLPw(voiceInteractPackage,
523                                SMS_PERMISSIONS, userId);
524                        grantRuntimePermissionsLPw(voiceInteractPackage,
525                                LOCATION_PERMISSIONS, userId);
526                    }
527                }
528            }
529
530            // Voice recognition
531            Intent voiceRecoIntent = new Intent("android.speech.RecognitionService");
532            voiceRecoIntent.addCategory(Intent.CATEGORY_DEFAULT);
533            PackageParser.Package voiceRecoPackage = getDefaultSystemHandlerServicePackageLPr(
534                    voiceRecoIntent, userId);
535            if (voiceRecoPackage != null
536                    && doesPackageSupportRuntimePermissions(voiceRecoPackage)) {
537                grantRuntimePermissionsLPw(voiceRecoPackage, MICROPHONE_PERMISSIONS, userId);
538            }
539
540            // Location
541            if (locationPackageNames != null) {
542                for (String packageName : locationPackageNames) {
543                    PackageParser.Package locationPackage = getSystemPackageLPr(packageName);
544                    if (locationPackage != null
545                            && doesPackageSupportRuntimePermissions(locationPackage)) {
546                        grantRuntimePermissionsLPw(locationPackage, CONTACTS_PERMISSIONS, userId);
547                        grantRuntimePermissionsLPw(locationPackage, CALENDAR_PERMISSIONS, userId);
548                        grantRuntimePermissionsLPw(locationPackage, MICROPHONE_PERMISSIONS, userId);
549                        grantRuntimePermissionsLPw(locationPackage, PHONE_PERMISSIONS, userId);
550                        grantRuntimePermissionsLPw(locationPackage, SMS_PERMISSIONS, userId);
551                        grantRuntimePermissionsLPw(locationPackage, LOCATION_PERMISSIONS,
552                                true, userId);
553                        grantRuntimePermissionsLPw(locationPackage, CAMERA_PERMISSIONS, userId);
554                        grantRuntimePermissionsLPw(locationPackage, SENSORS_PERMISSIONS, userId);
555                        grantRuntimePermissionsLPw(locationPackage, STORAGE_PERMISSIONS, userId);
556                    }
557                }
558            }
559
560            // Music
561            Intent musicIntent = new Intent(Intent.ACTION_VIEW);
562            musicIntent.addCategory(Intent.CATEGORY_DEFAULT);
563            musicIntent.setDataAndType(Uri.fromFile(new File("foo.mp3")),
564                    AUDIO_MIME_TYPE);
565            PackageParser.Package musicPackage = getDefaultSystemHandlerActivityPackageLPr(
566                    musicIntent, userId);
567            if (musicPackage != null
568                    && doesPackageSupportRuntimePermissions(musicPackage)) {
569                grantRuntimePermissionsLPw(musicPackage, STORAGE_PERMISSIONS, userId);
570            }
571
572            mService.mSettings.onDefaultRuntimePermissionsGrantedLPr(userId);
573        }
574    }
575
576    private void grantDefaultPermissionsToDefaultSystemDialerAppLPr(
577            PackageParser.Package dialerPackage, int userId) {
578        if (doesPackageSupportRuntimePermissions(dialerPackage)) {
579            grantRuntimePermissionsLPw(dialerPackage, PHONE_PERMISSIONS, userId);
580            grantRuntimePermissionsLPw(dialerPackage, CONTACTS_PERMISSIONS, userId);
581            grantRuntimePermissionsLPw(dialerPackage, SMS_PERMISSIONS, userId);
582            grantRuntimePermissionsLPw(dialerPackage, MICROPHONE_PERMISSIONS, userId);
583        }
584    }
585
586    private void grantDefaultPermissionsToDefaultSystemSmsAppLPr(
587            PackageParser.Package smsPackage, int userId) {
588        if (doesPackageSupportRuntimePermissions(smsPackage)) {
589            grantRuntimePermissionsLPw(smsPackage, PHONE_PERMISSIONS, userId);
590            grantRuntimePermissionsLPw(smsPackage, CONTACTS_PERMISSIONS, userId);
591            grantRuntimePermissionsLPw(smsPackage, SMS_PERMISSIONS, userId);
592        }
593    }
594
595    public void grantDefaultPermissionsToDefaultSmsAppLPr(String packageName, int userId) {
596        Log.i(TAG, "Granting permissions to default sms app for user:" + userId);
597        if (packageName == null) {
598            return;
599        }
600        PackageParser.Package smsPackage = getPackageLPr(packageName);
601        if (smsPackage != null && doesPackageSupportRuntimePermissions(smsPackage)) {
602            grantRuntimePermissionsLPw(smsPackage, PHONE_PERMISSIONS, false, true, userId);
603            grantRuntimePermissionsLPw(smsPackage, CONTACTS_PERMISSIONS, false, true, userId);
604            grantRuntimePermissionsLPw(smsPackage, SMS_PERMISSIONS, false, true, userId);
605        }
606    }
607
608    public void grantDefaultPermissionsToDefaultDialerAppLPr(String packageName, int userId) {
609        Log.i(TAG, "Granting permissions to default dialer app for user:" + userId);
610        if (packageName == null) {
611            return;
612        }
613        PackageParser.Package dialerPackage = getPackageLPr(packageName);
614        if (dialerPackage != null
615                && doesPackageSupportRuntimePermissions(dialerPackage)) {
616            grantRuntimePermissionsLPw(dialerPackage, PHONE_PERMISSIONS, false, true, userId);
617            grantRuntimePermissionsLPw(dialerPackage, CONTACTS_PERMISSIONS, false, true, userId);
618            grantRuntimePermissionsLPw(dialerPackage, SMS_PERMISSIONS, false, true, userId);
619            grantRuntimePermissionsLPw(dialerPackage, MICROPHONE_PERMISSIONS, false, true, userId);
620        }
621    }
622
623    private void grantDefaultPermissionsToDefaultSimCallManagerLPr(
624            PackageParser.Package simCallManagerPackage, int userId) {
625        Log.i(TAG, "Granting permissions to sim call manager for user:" + userId);
626        if (doesPackageSupportRuntimePermissions(simCallManagerPackage)) {
627            grantRuntimePermissionsLPw(simCallManagerPackage, PHONE_PERMISSIONS, userId);
628            grantRuntimePermissionsLPw(simCallManagerPackage, MICROPHONE_PERMISSIONS, userId);
629        }
630    }
631
632    public void grantDefaultPermissionsToDefaultSimCallManagerLPr(String packageName, int userId) {
633        if (packageName == null) {
634            return;
635        }
636        PackageParser.Package simCallManagerPackage = getPackageLPr(packageName);
637        if (simCallManagerPackage != null) {
638            grantDefaultPermissionsToDefaultSimCallManagerLPr(simCallManagerPackage, userId);
639        }
640    }
641
642    public void grantDefaultPermissionsToEnabledCarrierAppsLPr(String[] packageNames, int userId) {
643        Log.i(TAG, "Granting permissions to enabled carrier apps for user:" + userId);
644        if (packageNames == null) {
645            return;
646        }
647        for (String packageName : packageNames) {
648            PackageParser.Package carrierPackage = getSystemPackageLPr(packageName);
649            if (carrierPackage != null
650                    && doesPackageSupportRuntimePermissions(carrierPackage)) {
651                grantRuntimePermissionsLPw(carrierPackage, PHONE_PERMISSIONS, userId);
652                grantRuntimePermissionsLPw(carrierPackage, LOCATION_PERMISSIONS, userId);
653                grantRuntimePermissionsLPw(carrierPackage, SMS_PERMISSIONS, userId);
654            }
655        }
656    }
657
658    public void grantDefaultPermissionsToDefaultBrowserLPr(String packageName, int userId) {
659        Log.i(TAG, "Granting permissions to default browser for user:" + userId);
660        if (packageName == null) {
661            return;
662        }
663        PackageParser.Package browserPackage = getSystemPackageLPr(packageName);
664        if (browserPackage != null
665                && doesPackageSupportRuntimePermissions(browserPackage)) {
666            grantRuntimePermissionsLPw(browserPackage, LOCATION_PERMISSIONS, false, false, userId);
667        }
668    }
669
670    private PackageParser.Package getDefaultSystemHandlerActivityPackageLPr(
671            Intent intent, int userId) {
672        ResolveInfo handler = mService.resolveIntent(intent,
673                intent.resolveType(mService.mContext.getContentResolver()), 0, userId);
674        if (handler == null) {
675            return null;
676        }
677        return getSystemPackageLPr(handler.activityInfo.packageName);
678    }
679
680    private PackageParser.Package getDefaultSystemHandlerServicePackageLPr(
681            Intent intent, int userId) {
682        List<ResolveInfo> handlers = mService.queryIntentServices(intent,
683                intent.resolveType(mService.mContext.getContentResolver()), 0, userId);
684        if (handlers == null) {
685            return null;
686        }
687        final int handlerCount = handlers.size();
688        for (int i = 0; i < handlerCount; i++) {
689            ResolveInfo handler = handlers.get(i);
690            PackageParser.Package handlerPackage = getSystemPackageLPr(
691                    handler.serviceInfo.packageName);
692            if (handlerPackage != null) {
693                return handlerPackage;
694            }
695        }
696        return null;
697    }
698
699    private List<PackageParser.Package> getHeadlessSyncAdapterPackagesLPr(
700            String[] syncAdapterPackageNames, int userId) {
701        List<PackageParser.Package> syncAdapterPackages = new ArrayList<>();
702
703        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
704        homeIntent.addCategory(Intent.CATEGORY_LAUNCHER);
705
706        for (String syncAdapterPackageName : syncAdapterPackageNames) {
707            homeIntent.setPackage(syncAdapterPackageName);
708
709            ResolveInfo homeActivity = mService.resolveIntent(homeIntent,
710                    homeIntent.resolveType(mService.mContext.getContentResolver()), 0, userId);
711            if (homeActivity != null) {
712                continue;
713            }
714
715            PackageParser.Package syncAdapterPackage = getSystemPackageLPr(syncAdapterPackageName);
716            if (syncAdapterPackage != null) {
717                syncAdapterPackages.add(syncAdapterPackage);
718            }
719        }
720
721        return syncAdapterPackages;
722    }
723
724    private PackageParser.Package getDefaultProviderAuthorityPackageLPr(
725            String authority, int userId) {
726        ProviderInfo provider = mService.resolveContentProvider(authority, 0, userId);
727        if (provider != null) {
728            return getSystemPackageLPr(provider.packageName);
729        }
730        return null;
731    }
732
733    private PackageParser.Package getPackageLPr(String packageName) {
734        return mService.mPackages.get(packageName);
735    }
736
737    private PackageParser.Package getSystemPackageLPr(String packageName) {
738        PackageParser.Package pkg = getPackageLPr(packageName);
739        if (pkg != null && pkg.isSystemApp()) {
740            return !isSysComponentOrPersistentPlatformSignedPrivAppLPr(pkg) ? pkg : null;
741        }
742        return null;
743    }
744
745    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
746            int userId) {
747        grantRuntimePermissionsLPw(pkg, permissions, false, false, userId);
748    }
749
750    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
751            boolean systemFixed, int userId) {
752        grantRuntimePermissionsLPw(pkg, permissions, systemFixed, false, userId);
753    }
754
755    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
756            boolean systemFixed, boolean overrideUserChoice,  int userId) {
757        if (pkg.requestedPermissions.isEmpty()) {
758            return;
759        }
760
761        List<String> requestedPermissions = pkg.requestedPermissions;
762        Set<String> grantablePermissions = null;
763
764        if (pkg.isUpdatedSystemApp()) {
765            PackageSetting sysPs = mService.mSettings.getDisabledSystemPkgLPr(pkg.packageName);
766            if (sysPs != null) {
767                if (sysPs.pkg.requestedPermissions.isEmpty()) {
768                    return;
769                }
770                if (!requestedPermissions.equals(sysPs.pkg.requestedPermissions)) {
771                    grantablePermissions = new ArraySet<>(requestedPermissions);
772                    requestedPermissions = sysPs.pkg.requestedPermissions;
773                }
774            }
775        }
776
777        final int grantablePermissionCount = requestedPermissions.size();
778        for (int i = 0; i < grantablePermissionCount; i++) {
779            String permission = requestedPermissions.get(i);
780
781            // If there is a disabled system app it may request a permission the updated
782            // version ot the data partition doesn't, In this case skip the permission.
783            if (grantablePermissions != null && !grantablePermissions.contains(permission)) {
784                continue;
785            }
786
787            if (permissions.contains(permission)) {
788                final int flags = mService.getPermissionFlags(permission, pkg.packageName, userId);
789
790                // If any flags are set to the permission, then it is either set in
791                // its current state by the system or device/profile owner or the user.
792                // In all these cases we do not want to clobber the current state.
793                // Unless the caller wants to override user choices. The override is
794                // to make sure we can grant the needed permission to the default
795                // sms and phone apps after the user chooses this in the UI.
796                if (flags == 0 || overrideUserChoice) {
797                    // Never clobber policy or system.
798                    final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
799                            | PackageManager.FLAG_PERMISSION_POLICY_FIXED;
800                    if ((flags & fixedFlags) != 0) {
801                        continue;
802                    }
803
804                    mService.grantRuntimePermission(pkg.packageName, permission, userId);
805                    if (DEBUG) {
806                        Log.i(TAG, "Granted " + permission + " to default handler "
807                                + pkg.packageName);
808                    }
809
810                    int newFlags = PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
811                    if (systemFixed) {
812                        newFlags |= PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
813                    }
814
815                    mService.updatePermissionFlags(permission, pkg.packageName,
816                            newFlags, newFlags, userId);
817                }
818            }
819        }
820    }
821
822    private boolean isSysComponentOrPersistentPlatformSignedPrivAppLPr(PackageParser.Package pkg) {
823        if (UserHandle.getAppId(pkg.applicationInfo.uid) < FIRST_APPLICATION_UID) {
824            return true;
825        }
826        if (!pkg.isPrivilegedApp()) {
827            return false;
828        }
829        PackageSetting sysPkg = mService.mSettings.getDisabledSystemPkgLPr(pkg.packageName);
830        if (sysPkg != null) {
831            if ((sysPkg.pkg.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) == 0) {
832                return false;
833            }
834        } else if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) == 0) {
835            return false;
836        }
837        return PackageManagerService.compareSignatures(mService.mPlatformPackage.mSignatures,
838                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
839    }
840
841    private static boolean doesPackageSupportRuntimePermissions(PackageParser.Package pkg) {
842        return pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1;
843    }
844}
845