DefaultPermissionGrantPolicy.java revision 5ff4383b466fc26e6696a7bbeb6df5eb7a3c8cc5 
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.util.ArraySet;
38import android.util.Log;
39
40import java.io.File;
41import java.util.ArrayList;
42import java.util.List;
43import java.util.Set;
44
45import static android.os.Process.FIRST_APPLICATION_UID;
46
47/**
48 * This class is the policy for granting runtime permissions to
49 * platform components and default handlers in the system such
50 * that the device is usable out-of-the-box. For example, the
51 * shell UID is a part of the system and the Phone app should
52 * have phone related permission by default.
53 */
54final class DefaultPermissionGrantPolicy {
55    private static final String TAG = "DefaultPermGrantPolicy"; // must be <= 23 chars
56    private static final boolean DEBUG = false;
57
58    private static final String AUDIO_MIME_TYPE = "audio/mpeg";
59
60    private static final Set<String> PHONE_PERMISSIONS = new ArraySet<>();
61    static {
62        PHONE_PERMISSIONS.add(Manifest.permission.READ_PHONE_STATE);
63        PHONE_PERMISSIONS.add(Manifest.permission.CALL_PHONE);
64        PHONE_PERMISSIONS.add(Manifest.permission.READ_CALL_LOG);
65        PHONE_PERMISSIONS.add(Manifest.permission.WRITE_CALL_LOG);
66        PHONE_PERMISSIONS.add(Manifest.permission.ADD_VOICEMAIL);
67        PHONE_PERMISSIONS.add(Manifest.permission.USE_SIP);
68        PHONE_PERMISSIONS.add(Manifest.permission.PROCESS_OUTGOING_CALLS);
69    }
70
71    private static final Set<String> CONTACTS_PERMISSIONS = new ArraySet<>();
72    static {
73        CONTACTS_PERMISSIONS.add(Manifest.permission.READ_CONTACTS);
74        CONTACTS_PERMISSIONS.add(Manifest.permission.WRITE_CONTACTS);
75//        CONTACTS_PERMISSIONS.add(Manifest.permission.GET_ACCOUNTS);
76    }
77
78    private static final Set<String> LOCATION_PERMISSIONS = new ArraySet<>();
79    static {
80        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_FINE_LOCATION);
81        LOCATION_PERMISSIONS.add(Manifest.permission.ACCESS_COARSE_LOCATION);
82    }
83
84    private static final Set<String> CALENDAR_PERMISSIONS = new ArraySet<>();
85    static {
86        CALENDAR_PERMISSIONS.add(Manifest.permission.READ_CALENDAR);
87        CALENDAR_PERMISSIONS.add(Manifest.permission.WRITE_CALENDAR);
88    }
89
90    private static final Set<String> SMS_PERMISSIONS = new ArraySet<>();
91    static {
92        SMS_PERMISSIONS.add(Manifest.permission.SEND_SMS);
93        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_SMS);
94        SMS_PERMISSIONS.add(Manifest.permission.READ_SMS);
95        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_WAP_PUSH);
96        SMS_PERMISSIONS.add(Manifest.permission.RECEIVE_MMS);
97        SMS_PERMISSIONS.add(Manifest.permission.READ_CELL_BROADCASTS);
98    }
99
100    private static final Set<String> MICROPHONE_PERMISSIONS = new ArraySet<>();
101    static {
102        MICROPHONE_PERMISSIONS.add(Manifest.permission.RECORD_AUDIO);
103    }
104
105    private static final Set<String> CAMERA_PERMISSIONS = new ArraySet<>();
106    static {
107        CAMERA_PERMISSIONS.add(Manifest.permission.CAMERA);
108    }
109
110    private static final Set<String> SENSORS_PERMISSIONS = new ArraySet<>();
111    static {
112        SENSORS_PERMISSIONS.add(Manifest.permission.BODY_SENSORS);
113    }
114
115    private static final Set<String> STORAGE_PERMISSIONS = new ArraySet<>();
116    static {
117        STORAGE_PERMISSIONS.add(Manifest.permission.READ_EXTERNAL_STORAGE);
118        STORAGE_PERMISSIONS.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
119    }
120
121    private final PackageManagerService mService;
122
123    private PackagesProvider mImePackagesProvider;
124    private PackagesProvider mLocationPackagesProvider;
125    private PackagesProvider mVoiceInteractionPackagesProvider;
126    private PackagesProvider mSmsAppPackagesProvider;
127    private PackagesProvider mDialerAppPackagesProvider;
128    private SyncAdapterPackagesProvider mSyncAdapterPackagesProvider;
129
130    public DefaultPermissionGrantPolicy(PackageManagerService service) {
131        mService = service;
132    }
133
134    public void setImePackagesProviderLPr(PackagesProvider provider) {
135        mImePackagesProvider = provider;
136    }
137
138    public void setLocationPackagesProviderLPw(PackagesProvider provider) {
139        mLocationPackagesProvider = provider;
140    }
141
142    public void setVoiceInteractionPackagesProviderLPw(PackagesProvider provider) {
143        mVoiceInteractionPackagesProvider = provider;
144    }
145
146    public void setSmsAppPackagesProviderLPw(PackagesProvider provider) {
147        mSmsAppPackagesProvider = provider;
148    }
149
150    public void setDialerAppPackagesProviderLPw(PackagesProvider provider) {
151        mDialerAppPackagesProvider = provider;
152    }
153
154    public void setSyncAdapterPackagesProviderLPw(SyncAdapterPackagesProvider provider) {
155        mSyncAdapterPackagesProvider = provider;
156    }
157
158    public void grantDefaultPermissions(int userId) {
159        grantPermissionsToSysComponentsAndPrivApps(userId);
160        grantDefaultSystemHandlerPermissions(userId);
161    }
162
163    private void grantPermissionsToSysComponentsAndPrivApps(int userId) {
164        Log.i(TAG, "Granting permissions to platform components for user " + userId);
165
166        synchronized (mService.mPackages) {
167            for (PackageParser.Package pkg : mService.mPackages.values()) {
168                if (!isSysComponentOrPersistentPlatformSignedPrivApp(pkg)
169                        || !doesPackageSupportRuntimePermissions(pkg)) {
170                    continue;
171                }
172                final int permissionCount = pkg.requestedPermissions.size();
173                for (int i = 0; i < permissionCount; i++) {
174                    String permission = pkg.requestedPermissions.get(i);
175                    BasePermission bp = mService.mSettings.mPermissions.get(permission);
176                    if (bp != null && bp.isRuntime()) {
177                        final int flags = mService.getPermissionFlags(permission,
178                                pkg.packageName, userId);
179                        if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) == 0) {
180                            mService.grantRuntimePermission(pkg.packageName, permission, userId);
181                            mService.updatePermissionFlags(permission, pkg.packageName,
182                                    PackageManager.MASK_PERMISSION_FLAGS,
183                                    PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
184                                    | PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT, userId);
185                            if (DEBUG) {
186                                Log.i(TAG, "Granted " + permission + " to system component "
187                                        + pkg.packageName);
188                            }
189                        }
190                    }
191                }
192            }
193        }
194    }
195
196    private void grantDefaultSystemHandlerPermissions(int userId) {
197        Log.i(TAG, "Granting permissions to default platform handlers for user " + userId);
198
199        final PackagesProvider imePackagesProvider;
200        final PackagesProvider locationPackagesProvider;
201        final PackagesProvider voiceInteractionPackagesProvider;
202        final PackagesProvider smsAppPackagesProvider;
203        final PackagesProvider dialerAppPackagesProvider;
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            syncAdapterPackagesProvider = mSyncAdapterPackagesProvider;
213        }
214
215        String[] imePackageNames = (imePackagesProvider != null)
216                ? imePackagesProvider.getPackages(userId) : null;
217        String[] voiceInteractPackageNames = (voiceInteractionPackagesProvider != null)
218                ? voiceInteractionPackagesProvider.getPackages(userId) : null;
219        String[] locationPackageNames = (locationPackagesProvider != null)
220                ? locationPackagesProvider.getPackages(userId) : null;
221        String[] smsAppPackageNames = (smsAppPackagesProvider != null)
222                ? smsAppPackagesProvider.getPackages(userId) : null;
223        String[] dialerAppPackageNames = (dialerAppPackagesProvider != null)
224                ? dialerAppPackagesProvider.getPackages(userId) : null;
225        String[] contactsSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
226                syncAdapterPackagesProvider.getPackages(ContactsContract.AUTHORITY, userId) : null;
227        String[] calendarSyncAdapterPackages = (syncAdapterPackagesProvider != null) ?
228                syncAdapterPackagesProvider.getPackages(CalendarContract.AUTHORITY, userId) : null;
229
230        synchronized (mService.mPackages) {
231            // Installer
232            PackageParser.Package installerPackage = getSystemPackageLPr(
233                    mService.mRequiredInstallerPackage);
234            if (installerPackage != null
235                    && doesPackageSupportRuntimePermissions(installerPackage)) {
236                grantRuntimePermissionsLPw(installerPackage, STORAGE_PERMISSIONS, true, userId);
237            }
238
239            // Verifier
240            PackageParser.Package verifierPackage = getSystemPackageLPr(
241                    mService.mRequiredVerifierPackage);
242            if (verifierPackage != null
243                    && doesPackageSupportRuntimePermissions(verifierPackage)) {
244                grantRuntimePermissionsLPw(verifierPackage, STORAGE_PERMISSIONS, true, userId);
245            }
246
247            // SetupWizard
248            Intent setupIntent = new Intent(Intent.ACTION_MAIN);
249            setupIntent.addCategory(Intent.CATEGORY_SETUP_WIZARD);
250            PackageParser.Package setupPackage = getDefaultSystemHandlerActivityPackageLPr(
251                    setupIntent, userId);
252            if (setupPackage != null
253                    && doesPackageSupportRuntimePermissions(setupPackage)) {
254                grantRuntimePermissionsLPw(setupPackage, PHONE_PERMISSIONS, userId);
255                grantRuntimePermissionsLPw(setupPackage, CONTACTS_PERMISSIONS, userId);
256            }
257
258            // Camera
259            Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
260            PackageParser.Package cameraPackage = getDefaultSystemHandlerActivityPackageLPr(
261                    cameraIntent, userId);
262            if (cameraPackage != null
263                    && doesPackageSupportRuntimePermissions(cameraPackage)) {
264                grantRuntimePermissionsLPw(cameraPackage, CAMERA_PERMISSIONS, userId);
265                grantRuntimePermissionsLPw(cameraPackage, MICROPHONE_PERMISSIONS, userId);
266                grantRuntimePermissionsLPw(cameraPackage, STORAGE_PERMISSIONS, userId);
267            }
268
269            // Media provider
270            PackageParser.Package mediaStorePackage = getDefaultProviderAuthorityPackageLPr(
271                    MediaStore.AUTHORITY, userId);
272            if (mediaStorePackage != null) {
273                grantRuntimePermissionsLPw(mediaStorePackage, STORAGE_PERMISSIONS, true, userId);
274            }
275
276            // Downloads provider
277            PackageParser.Package downloadsPackage = getDefaultProviderAuthorityPackageLPr(
278                    "downloads", userId);
279            if (downloadsPackage != null) {
280                grantRuntimePermissionsLPw(downloadsPackage, STORAGE_PERMISSIONS, true, userId);
281            }
282
283            // Downloads UI
284            Intent downloadsUiIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
285            PackageParser.Package downloadsUiPackage = getDefaultSystemHandlerActivityPackageLPr(
286                    downloadsUiIntent, userId);
287            if (downloadsUiPackage != null
288                    && doesPackageSupportRuntimePermissions(downloadsUiPackage)) {
289                grantRuntimePermissionsLPw(downloadsUiPackage, STORAGE_PERMISSIONS, true, userId);
290            }
291
292            // Storage provider
293            PackageParser.Package storagePackage = getDefaultProviderAuthorityPackageLPr(
294                    "com.android.externalstorage.documents", userId);
295            if (storagePackage != null) {
296                grantRuntimePermissionsLPw(storagePackage, STORAGE_PERMISSIONS, userId);
297            }
298
299            // Dialer
300            if (dialerAppPackageNames == null) {
301                Intent dialerIntent = new Intent(Intent.ACTION_DIAL);
302                PackageParser.Package dialerPackage = getDefaultSystemHandlerActivityPackageLPr(
303                        dialerIntent, userId);
304                if (dialerPackage != null) {
305                    grantDefaultPermissionsToDefaultSystemDialerAppLPr(dialerPackage, userId);
306                }
307            } else {
308                for (String dialerAppPackageName : dialerAppPackageNames) {
309                    PackageParser.Package dialerPackage = getSystemPackageLPr(dialerAppPackageName);
310                    if (dialerPackage != null) {
311                        grantDefaultPermissionsToDefaultSystemDialerAppLPr(dialerPackage, userId);
312                    }
313                }
314            }
315
316            // SMS
317            if (smsAppPackageNames == null) {
318                Intent smsIntent = new Intent(Intent.ACTION_MAIN);
319                smsIntent.addCategory(Intent.CATEGORY_APP_MESSAGING);
320                PackageParser.Package smsPackage = getDefaultSystemHandlerActivityPackageLPr(
321                        smsIntent, userId);
322                if (smsPackage != null) {
323                   grantDefaultPermissionsToDefaultSystemSmsAppLPr(smsPackage, userId);
324                }
325            } else {
326                for (String smsPackageName : smsAppPackageNames) {
327                    PackageParser.Package smsPackage = getSystemPackageLPr(smsPackageName);
328                    if (smsPackage != null) {
329                        grantDefaultPermissionsToDefaultSystemSmsAppLPr(smsPackage, userId);
330                    }
331                }
332            }
333
334            // Cell Broadcast Receiver
335            Intent cbrIntent = new Intent(Intents.SMS_CB_RECEIVED_ACTION);
336            PackageParser.Package cbrPackage =
337                    getDefaultSystemHandlerActivityPackageLPr(cbrIntent, userId);
338            if (cbrPackage != null && doesPackageSupportRuntimePermissions(cbrPackage)) {
339                grantRuntimePermissionsLPw(cbrPackage, SMS_PERMISSIONS, false, userId);
340            }
341
342            // Calendar
343            Intent calendarIntent = new Intent(Intent.ACTION_MAIN);
344            calendarIntent.addCategory(Intent.CATEGORY_APP_CALENDAR);
345            PackageParser.Package calendarPackage = getDefaultSystemHandlerActivityPackageLPr(
346                    calendarIntent, userId);
347            if (calendarPackage != null
348                    && doesPackageSupportRuntimePermissions(calendarPackage)) {
349                grantRuntimePermissionsLPw(calendarPackage, CALENDAR_PERMISSIONS, userId);
350                grantRuntimePermissionsLPw(calendarPackage, CONTACTS_PERMISSIONS, userId);
351            }
352
353            // Calendar provider
354            PackageParser.Package calendarProviderPackage = getDefaultProviderAuthorityPackageLPr(
355                    CalendarContract.AUTHORITY, userId);
356            if (calendarProviderPackage != null) {
357                grantRuntimePermissionsLPw(calendarProviderPackage, CONTACTS_PERMISSIONS, userId);
358                grantRuntimePermissionsLPw(calendarProviderPackage, CALENDAR_PERMISSIONS,
359                        true, userId);
360                grantRuntimePermissionsLPw(calendarProviderPackage, STORAGE_PERMISSIONS, userId);
361            }
362
363            // Calendar provider sync adapters
364            List<PackageParser.Package> calendarSyncAdapters = getHeadlessSyncAdapterPackagesLPr(
365                    calendarSyncAdapterPackages, userId);
366            final int calendarSyncAdapterCount = calendarSyncAdapters.size();
367            for (int i = 0; i < calendarSyncAdapterCount; i++) {
368                PackageParser.Package calendarSyncAdapter = calendarSyncAdapters.get(i);
369                if (doesPackageSupportRuntimePermissions(calendarSyncAdapter)) {
370                    grantRuntimePermissionsLPw(calendarSyncAdapter, CALENDAR_PERMISSIONS, userId);
371                }
372            }
373
374            // Contacts
375            Intent contactsIntent = new Intent(Intent.ACTION_MAIN);
376            contactsIntent.addCategory(Intent.CATEGORY_APP_CONTACTS);
377            PackageParser.Package contactsPackage = getDefaultSystemHandlerActivityPackageLPr(
378                    contactsIntent, userId);
379            if (contactsPackage != null
380                    && doesPackageSupportRuntimePermissions(contactsPackage)) {
381                grantRuntimePermissionsLPw(contactsPackage, CONTACTS_PERMISSIONS, userId);
382                grantRuntimePermissionsLPw(contactsPackage, PHONE_PERMISSIONS, userId);
383            }
384
385            // Contacts provider sync adapters
386            List<PackageParser.Package> contactsSyncAdapters = getHeadlessSyncAdapterPackagesLPr(
387                    contactsSyncAdapterPackages, userId);
388            final int contactsSyncAdapterCount = contactsSyncAdapters.size();
389            for (int i = 0; i < contactsSyncAdapterCount; i++) {
390                PackageParser.Package contactsSyncAdapter = contactsSyncAdapters.get(i);
391                if (doesPackageSupportRuntimePermissions(contactsSyncAdapter)) {
392                    grantRuntimePermissionsLPw(contactsSyncAdapter, CONTACTS_PERMISSIONS, userId);
393                }
394            }
395
396            // Contacts provider
397            PackageParser.Package contactsProviderPackage = getDefaultProviderAuthorityPackageLPr(
398                    ContactsContract.AUTHORITY, userId);
399            if (contactsProviderPackage != null) {
400                grantRuntimePermissionsLPw(contactsProviderPackage, CONTACTS_PERMISSIONS,
401                        true, userId);
402                grantRuntimePermissionsLPw(contactsProviderPackage, PHONE_PERMISSIONS,
403                        true, userId);
404                grantRuntimePermissionsLPw(contactsProviderPackage, STORAGE_PERMISSIONS, userId);
405            }
406
407            // Device provisioning
408            Intent deviceProvisionIntent = new Intent(
409                    DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE);
410            PackageParser.Package deviceProvisionPackage =
411                    getDefaultSystemHandlerActivityPackageLPr(deviceProvisionIntent, userId);
412            if (deviceProvisionPackage != null
413                    && doesPackageSupportRuntimePermissions(deviceProvisionPackage)) {
414                grantRuntimePermissionsLPw(deviceProvisionPackage, CONTACTS_PERMISSIONS, userId);
415            }
416
417            // Maps
418            Intent mapsIntent = new Intent(Intent.ACTION_MAIN);
419            mapsIntent.addCategory(Intent.CATEGORY_APP_MAPS);
420            PackageParser.Package mapsPackage = getDefaultSystemHandlerActivityPackageLPr(
421                    mapsIntent, userId);
422            if (mapsPackage != null
423                    && doesPackageSupportRuntimePermissions(mapsPackage)) {
424                grantRuntimePermissionsLPw(mapsPackage, LOCATION_PERMISSIONS, userId);
425            }
426
427            // Gallery
428            Intent galleryIntent = new Intent(Intent.ACTION_MAIN);
429            galleryIntent.addCategory(Intent.CATEGORY_APP_GALLERY);
430            PackageParser.Package galleryPackage = getDefaultSystemHandlerActivityPackageLPr(
431                    galleryIntent, userId);
432            if (galleryPackage != null
433                    && doesPackageSupportRuntimePermissions(galleryPackage)) {
434                grantRuntimePermissionsLPw(galleryPackage, STORAGE_PERMISSIONS, userId);
435            }
436
437            // Email
438            Intent emailIntent = new Intent(Intent.ACTION_MAIN);
439            emailIntent.addCategory(Intent.CATEGORY_APP_EMAIL);
440            PackageParser.Package emailPackage = getDefaultSystemHandlerActivityPackageLPr(
441                    emailIntent, userId);
442            if (emailPackage != null
443                    && doesPackageSupportRuntimePermissions(emailPackage)) {
444                grantRuntimePermissionsLPw(emailPackage, CONTACTS_PERMISSIONS, userId);
445            }
446
447            // Browser
448            PackageParser.Package browserPackage = null;
449            String defaultBrowserPackage = mService.getDefaultBrowserPackageName(userId);
450            if (defaultBrowserPackage != null) {
451                browserPackage = getPackageLPr(defaultBrowserPackage);
452            }
453            if (browserPackage == null) {
454                Intent browserIntent = new Intent(Intent.ACTION_MAIN);
455                browserIntent.addCategory(Intent.CATEGORY_APP_BROWSER);
456                browserPackage = getDefaultSystemHandlerActivityPackageLPr(
457                        browserIntent, userId);
458            }
459            if (browserPackage != null
460                    && doesPackageSupportRuntimePermissions(browserPackage)) {
461                grantRuntimePermissionsLPw(browserPackage, LOCATION_PERMISSIONS, userId);
462            }
463
464            // IME
465            if (imePackageNames != null) {
466                for (String imePackageName : imePackageNames) {
467                    PackageParser.Package imePackage = getSystemPackageLPr(imePackageName);
468                    if (imePackage != null
469                            && doesPackageSupportRuntimePermissions(imePackage)) {
470                        grantRuntimePermissionsLPw(imePackage, CONTACTS_PERMISSIONS, userId);
471                    }
472                }
473            }
474
475            // Voice interaction
476            if (voiceInteractPackageNames != null) {
477                for (String voiceInteractPackageName : voiceInteractPackageNames) {
478                    PackageParser.Package voiceInteractPackage = getSystemPackageLPr(
479                            voiceInteractPackageName);
480                    if (voiceInteractPackage != null
481                            && doesPackageSupportRuntimePermissions(voiceInteractPackage)) {
482                        grantRuntimePermissionsLPw(voiceInteractPackage,
483                                CONTACTS_PERMISSIONS, userId);
484                        grantRuntimePermissionsLPw(voiceInteractPackage,
485                                CALENDAR_PERMISSIONS, userId);
486                        grantRuntimePermissionsLPw(voiceInteractPackage,
487                                MICROPHONE_PERMISSIONS, userId);
488                        grantRuntimePermissionsLPw(voiceInteractPackage,
489                                PHONE_PERMISSIONS, userId);
490                        grantRuntimePermissionsLPw(voiceInteractPackage,
491                                SMS_PERMISSIONS, userId);
492                        grantRuntimePermissionsLPw(voiceInteractPackage,
493                                LOCATION_PERMISSIONS, userId);
494                    }
495                }
496            }
497
498            // Location
499            if (locationPackageNames != null) {
500                for (String packageName : locationPackageNames) {
501                    PackageParser.Package locationPackage = getSystemPackageLPr(packageName);
502                    if (locationPackage != null
503                            && doesPackageSupportRuntimePermissions(locationPackage)) {
504                        grantRuntimePermissionsLPw(locationPackage, CONTACTS_PERMISSIONS, userId);
505                        grantRuntimePermissionsLPw(locationPackage, CALENDAR_PERMISSIONS, userId);
506                        grantRuntimePermissionsLPw(locationPackage, MICROPHONE_PERMISSIONS, userId);
507                        grantRuntimePermissionsLPw(locationPackage, PHONE_PERMISSIONS, userId);
508                        grantRuntimePermissionsLPw(locationPackage, SMS_PERMISSIONS, userId);
509                        grantRuntimePermissionsLPw(locationPackage, LOCATION_PERMISSIONS,
510                                true, userId);
511                        grantRuntimePermissionsLPw(locationPackage, CAMERA_PERMISSIONS, userId);
512                        grantRuntimePermissionsLPw(locationPackage, SENSORS_PERMISSIONS, userId);
513                        grantRuntimePermissionsLPw(locationPackage, STORAGE_PERMISSIONS, userId);
514                    }
515                }
516            }
517
518            // Music
519            Intent musicIntent = new Intent(Intent.ACTION_VIEW);
520            musicIntent.addCategory(Intent.CATEGORY_DEFAULT);
521            musicIntent.setDataAndType(Uri.fromFile(new File("foo.mp3")),
522                    AUDIO_MIME_TYPE);
523            PackageParser.Package musicPackage = getDefaultSystemHandlerActivityPackageLPr(
524                    musicIntent, userId);
525            if (musicPackage != null
526                    && doesPackageSupportRuntimePermissions(musicPackage)) {
527                grantRuntimePermissionsLPw(musicPackage, STORAGE_PERMISSIONS, userId);
528            }
529
530            mService.mSettings.onDefaultRuntimePermissionsGrantedLPr(userId);
531        }
532    }
533
534    private void grantDefaultPermissionsToDefaultSystemDialerAppLPr(
535            PackageParser.Package dialerPackage, int userId) {
536        if (doesPackageSupportRuntimePermissions(dialerPackage)) {
537            grantRuntimePermissionsLPw(dialerPackage, PHONE_PERMISSIONS, userId);
538            grantRuntimePermissionsLPw(dialerPackage, CONTACTS_PERMISSIONS, userId);
539            grantRuntimePermissionsLPw(dialerPackage, SMS_PERMISSIONS, userId);
540            grantRuntimePermissionsLPw(dialerPackage, MICROPHONE_PERMISSIONS, userId);
541        }
542    }
543
544
545    private void grantDefaultPermissionsToDefaultSystemSmsAppLPr(
546            PackageParser.Package smsPackage, int userId) {
547        if (doesPackageSupportRuntimePermissions(smsPackage)) {
548            grantRuntimePermissionsLPw(smsPackage, PHONE_PERMISSIONS, userId);
549            grantRuntimePermissionsLPw(smsPackage, CONTACTS_PERMISSIONS, userId);
550            grantRuntimePermissionsLPw(smsPackage, SMS_PERMISSIONS, userId);
551        }
552    }
553
554
555    public void grantDefaultPermissionsToDefaultSmsAppLPr(String packageName, int userId) {
556        Log.i(TAG, "Granting permissions to default sms app for user:" + userId);
557        if (packageName == null) {
558            return;
559        }
560        PackageParser.Package smsPackage = getPackageLPr(packageName);
561        if (smsPackage != null && doesPackageSupportRuntimePermissions(smsPackage)) {
562            grantRuntimePermissionsLPw(smsPackage, PHONE_PERMISSIONS, false, true, userId);
563            grantRuntimePermissionsLPw(smsPackage, CONTACTS_PERMISSIONS, false, true, userId);
564            grantRuntimePermissionsLPw(smsPackage, SMS_PERMISSIONS, false, true, userId);
565        }
566    }
567
568    public void grantDefaultPermissionsToDefaultDialerAppLPr(String packageName, int userId) {
569        Log.i(TAG, "Granting permissions to default dialer app for user:" + userId);
570        if (packageName == null) {
571            return;
572        }
573        PackageParser.Package dialerPackage = getPackageLPr(packageName);
574        if (dialerPackage != null
575                && doesPackageSupportRuntimePermissions(dialerPackage)) {
576            grantRuntimePermissionsLPw(dialerPackage, PHONE_PERMISSIONS, false, true, userId);
577            grantRuntimePermissionsLPw(dialerPackage, CONTACTS_PERMISSIONS, false, true, userId);
578            grantRuntimePermissionsLPw(dialerPackage, SMS_PERMISSIONS, false, true, userId);
579            grantRuntimePermissionsLPw(dialerPackage, MICROPHONE_PERMISSIONS, false, true, userId);
580        }
581    }
582
583    public void grantDefaultPermissionsToEnabledCarrierAppsLPr(String[] packageNames, int userId) {
584        Log.i(TAG, "Granting permissions to enabled carrier apps for user:" + userId);
585        if (packageNames == null) {
586            return;
587        }
588        for (String packageName : packageNames) {
589            PackageParser.Package carrierPackage = getSystemPackageLPr(packageName);
590            if (carrierPackage != null
591                    && doesPackageSupportRuntimePermissions(carrierPackage)) {
592                grantRuntimePermissionsLPw(carrierPackage, PHONE_PERMISSIONS, userId);
593                grantRuntimePermissionsLPw(carrierPackage, LOCATION_PERMISSIONS, userId);
594            }
595        }
596    }
597
598    public void grantDefaultPermissionsToDefaultBrowserLPr(String packageName, int userId) {
599        Log.i(TAG, "Granting permissions to default browser for user:" + userId);
600        if (packageName == null) {
601            return;
602        }
603        PackageParser.Package browserPackage = getSystemPackageLPr(packageName);
604        if (browserPackage != null
605                && doesPackageSupportRuntimePermissions(browserPackage)) {
606            grantRuntimePermissionsLPw(browserPackage, LOCATION_PERMISSIONS, false, false, userId);
607        }
608    }
609
610    private PackageParser.Package getDefaultSystemHandlerActivityPackageLPr(
611            Intent intent, int userId) {
612        List<ResolveInfo> handlers = mService.mActivities.queryIntent(intent,
613                intent.resolveType(mService.mContext.getContentResolver()),
614                PackageManager.GET_DISABLED_COMPONENTS, userId);
615        if (handlers == null) {
616            return null;
617        }
618        final int handlerCount = handlers.size();
619        for (int i = 0; i < handlerCount; i++) {
620            ResolveInfo handler = handlers.get(i);
621            PackageParser.Package handlerPackage = getSystemPackageLPr(
622                    handler.activityInfo.packageName);
623            if (handlerPackage != null) {
624                return handlerPackage;
625            }
626        }
627        return null;
628    }
629
630    private List<PackageParser.Package> getHeadlessSyncAdapterPackagesLPr(
631            String[] syncAdapterPackageNames, int userId) {
632        List<PackageParser.Package> syncAdapterPackages = new ArrayList<>();
633
634        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
635        homeIntent.addCategory(Intent.CATEGORY_HOME);
636
637        for (String syncAdapterPackageName : syncAdapterPackageNames) {
638            homeIntent.setPackage(syncAdapterPackageName);
639
640            List<ResolveInfo> homeActivities = mService.mActivities.queryIntent(homeIntent,
641                    homeIntent.resolveType(mService.mContext.getContentResolver()),
642                    PackageManager.GET_DISABLED_COMPONENTS, userId);
643            if (!homeActivities.isEmpty()) {
644                continue;
645            }
646
647            PackageParser.Package syncAdapterPackage = getSystemPackageLPr(syncAdapterPackageName);
648            if (syncAdapterPackage != null) {
649                syncAdapterPackages.add(syncAdapterPackage);
650            }
651        }
652
653        return syncAdapterPackages;
654    }
655
656    private PackageParser.Package getDefaultProviderAuthorityPackageLPr(
657            String authority, int userId) {
658        ProviderInfo provider = mService.resolveContentProvider(authority, 0, userId);
659        if (provider != null) {
660            return getSystemPackageLPr(provider.packageName);
661        }
662        return null;
663    }
664
665    private PackageParser.Package getPackageLPr(String packageName) {
666        return mService.mPackages.get(packageName);
667    }
668
669    private PackageParser.Package getSystemPackageLPr(String packageName) {
670        PackageParser.Package pkg = getPackageLPr(packageName);
671        if (pkg != null && pkg.isSystemApp()) {
672            return !isSysComponentOrPersistentPlatformSignedPrivApp(pkg) ? pkg : null;
673        }
674        return null;
675    }
676
677    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
678            int userId) {
679        grantRuntimePermissionsLPw(pkg, permissions, false, false, userId);
680    }
681
682    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
683            boolean systemFixed, int userId) {
684        grantRuntimePermissionsLPw(pkg, permissions, systemFixed, false, userId);
685    }
686
687    private void grantRuntimePermissionsLPw(PackageParser.Package pkg, Set<String> permissions,
688            boolean systemFixed, boolean overrideUserChoice,  int userId) {
689        List<String> requestedPermissions = pkg.requestedPermissions;
690
691        if (pkg.isUpdatedSystemApp()) {
692            PackageSetting sysPs = mService.mSettings.getDisabledSystemPkgLPr(pkg.packageName);
693            if (sysPs != null) {
694                requestedPermissions = sysPs.pkg.requestedPermissions;
695            }
696        }
697
698        final int permissionCount = requestedPermissions.size();
699        for (int i = 0; i < permissionCount; i++) {
700            String permission = requestedPermissions.get(i);
701            if (permissions.contains(permission)) {
702                final int flags = mService.getPermissionFlags(permission, pkg.packageName, userId);
703
704                // If any flags are set to the permission, then it is either set in
705                // its current state by the system or device/profile owner or the user.
706                // In all these cases we do not want to clobber the current state.
707                // Unless the caller wants to override user choices. The override is
708                // to make sure we can grant the needed permission to the default
709                // sms and phone apps after the user chooses this in the UI.
710                if (flags == 0 || overrideUserChoice) {
711                    // Never clobber policy or system.
712                    final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
713                            | PackageManager.FLAG_PERMISSION_POLICY_FIXED;
714                    if ((flags & fixedFlags) != 0) {
715                        continue;
716                    }
717
718                    mService.grantRuntimePermission(pkg.packageName, permission, userId);
719                    if (DEBUG) {
720                        Log.i(TAG, "Granted " + permission + " to default handler "
721                                + pkg.packageName);
722                    }
723
724                    int newFlags = PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
725                    if (systemFixed) {
726                        newFlags |= PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
727                    }
728
729                    mService.updatePermissionFlags(permission, pkg.packageName,
730                            newFlags, newFlags, userId);
731                }
732            }
733        }
734    }
735
736    private boolean isSysComponentOrPersistentPlatformSignedPrivApp(PackageParser.Package pkg) {
737        if (UserHandle.getAppId(pkg.applicationInfo.uid) < FIRST_APPLICATION_UID) {
738            return true;
739        }
740        if ((pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) == 0
741                || (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) == 0) {
742            return false;
743        }
744        return PackageManagerService.compareSignatures(mService.mPlatformPackage.mSignatures,
745                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
746    }
747
748    private static boolean doesPackageSupportRuntimePermissions(PackageParser.Package pkg) {
749        return pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1;
750    }
751}
752